CN107031691B

CN107031691B - baby carriage

Info

Publication number: CN107031691B
Application number: CN201610926631.5A
Authority: CN
Inventors: 丁泽华
Original assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Current assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Priority date: 2013-10-30
Filing date: 2013-10-30
Publication date: 2019-01-22
Anticipated expiration: 2033-10-30
Also published as: CN104590350B; CN104590350A; CN107031691A

Abstract

The present invention discloses a baby carriage frame, comprising a pair of riders, a pair of front legs, a pair of rear legs, a pair of first connecting rods, a pair of second connecting rods and a pair of seat tubes, wherein two ends of each first connecting rod are respectively pivotally connected to the lower end of a rider and a front leg, and two ends of each second connecting rod are respectively pivotally connected to the upper end of a front leg and a rider, thereby forming a four-link structure; an upper end of a rear leg is correspondingly pivotally connected to the upper end of a front leg, and two ends of each seat tube are respectively pivotally connected to a rear leg and a first connecting rod, thereby forming another four-link structure, and the entire baby carriage frame is driven to transform between an unfolded state and a folded state by means of the two four-link structures; the folding operation is smoother, and the baby carriage frame has a smaller volume after being folded, and the folding operation part arranged on the rider can realize the folding of the baby carriage frame by one hand, the folding operation is simple, and the structure of the baby carriage frame is simple.

Description

Baby carriage frame

Technical field

The present invention relates to baby carriage frame technical field more particularly to it is a kind of fold operate more smooth and volume after folding it is small Baby carriage frame.

Background technique

With being widely used for baby carrying vehicle, people are also higher and higher to the Functional Requirement of baby carrying vehicle.It is not intended merely to Baby carrying vehicle makes baby feel comfortable safety when in use, and also want to can to fold into when not in use smaller body with Achieve the effect that beauty, saves space, is convenient for collecting.

For example, existing baby carriage frame generally all has folder function, when not using, frame body is foldable Get up, and driver can also bend downward to fit in forward and backward foot prop, to save space to store.But existing perambulator Frame is to realize that multiple pivoting attachment mechanisms can be arranged in folding thereon, on the one hand the design of these pivoting attachment mechanisms increases baby The complexity of youngster's body frame structure for automotive, on the other hand make baby carriage frame fold operation it is not easy enough, smooth.In addition, baby carriage frame is rolled over Poststack folded baby carriage frame and is located generally in a strip without location structure, and such baby carriage frame exists It is easily opened during carrying, transport etc., is unfavorable for carrying or transporting etc..

Therefore, it is necessary to provide a kind of structure is simple, it is more smooth to fold operation, fold after there is lesser volume and can determine The baby carriage frame of position, to overcome above-mentioned the deficiencies in the prior art.

Summary of the invention

That the purpose of the present invention is to provide a kind of structures is simple, fold operation is more smooth, fold after there is lesser volume Baby carriage frame.

That the purpose of the present invention is to provide a kind of structures is simple, fold operation is more smooth, fold after there is lesser volume And the baby carriage frame of loose condition (of surface) will not be presented.

To achieve the above object, the technical solution of the present invention is as follows: providing a kind of baby carriage frame comprising a pair of of driver, one To front foot, a pair of of rear foot, a pair of of first connecting rod, a pair of of second connecting rod and a pair of of seat pipe, the lower end of each driver and an institute The upper end for stating first connecting rod is articulated in the first pivoting point, and the lower end of each first connecting rod and a front foot are articulated in second Pivoting point, the corresponding lower end with a second connecting rod in the upper end of each front foot is articulated in third pivoting point, each described The upper end of second connecting rod is corresponding to be articulated in the 4th pivoting point with a driver, first pivoting point, second pivoting point, The third pivoting point and the 4th pivoting point connect to form a four-bar linkage structure, before the upper end correspondence and one of the rear foot The upper end of foot is articulated in the 5th pivoting point, the both ends of each seat pipe respectively with the rear foot, a first connecting rod pivot It is connected to the 6th pivoting point and the 7th pivoting point, and each seat pipe intersects with the corresponding front foot, second pivot joint Point, the 5th pivoting point, the 6th pivoting point and the 7th pivoting point connect and to form another four-bar linkage structure, by two The four-bar linkage structure drives entire baby carriage frame to change between unfolded state and collapse state.

Preferably, the driver is by being fixed on the driver joint of its lower end and the upper end for being fixed on the first connecting rod First connecting rod joint is articulated.

Preferably, being additionally provided with a vehicle frame locking piece, the vehicle between the driver joint and the first connecting rod joint Frame locking piece can unlock for locking to the baby carriage frame of unfolded state to fold the baby carriage frame.

Preferably, the first accommodation groove is offered on the first connecting rod joint, on the driver joint first described in face Accommodation groove offers the second accommodation groove, and the vehicle frame locking piece, which is slideably contained in first accommodation groove and described second, to be held It sets between slot.

Preferably, being equipped with a pivotal axis, the vehicle frame locking piece in first accommodation groove and second accommodation groove It is slided along the pivotal axis.

Preferably, being also slidably provided with a driving mechanism in the driver, the driving mechanism and the vehicle frame are locked Part is connected, and the driving mechanism pushes the vehicle frame locking piece to be detached from first accommodation groove when mobile, so that described first Link joint can relatively described driver's articulation.

Preferably, the lower end of the driving mechanism is fixed with a third actuator, one is offered on the driver joint Three accommodation grooves, have an angle between the third accommodation groove and second accommodation groove, the third actuator slidably holds It is placed in the third accommodation groove, and the third actuator is connected with the vehicle frame locking piece.

Preferably, the end of the third actuator has two opposite snap-latch pieces, one is formed between two snap-latch pieces Engage area, and penetratingly offer one second inclined hole on two snap-latch pieces, the vehicle frame locking piece has protruded out an engaging column, institute It states and is convexly equipped with that an engaging is convex, and the engaging column is set in the engaging area on the side wall of engaging column, and the engaging projection is set In in second inclined hole.

Preferably, being additionally provided with one first return unit in the driving mechanism, first return unit is described for driving Driving mechanism resets.

Preferably, offering a sliding eye on the third actuator, a connection piece is arranged in the sliding eye and solid Surely it is connected on the side wall of the driver, the both ends of first return unit contact at the connector and the driving machine respectively Structure.

Preferably, the both ends of first return unit contact at the driver joint and the driving mechanism respectively.

One first abutting portion to be formed is protruded outward preferably, having in the driving mechanism, first return unit One end contacts at first abutting portion.

Preferably, the driving mechanism further includes the first actuator and the second actuator being slidably connected, described second is driven Moving part is fixedly connected with the third actuator, and one is additionally provided between first actuator, second actuator Two return units, the both ends of second return unit contact at first actuator and second actuator respectively.

Preferably, the vehicle frame locking piece has a bottom corresponding with first accommodation groove, second accommodation groove Portion vertically protrudes out to form the engaging column from the bottom.

Preferably, the vehicle frame locking piece further includes the second elastic component, the both ends of second elastic component contact at respectively The end of the side wall of the third accommodation groove and the engaging column.

Preferably, the driver includes upper driver and lower driver, the upper driver is telescopically placed in the lower driver Upper end, the driving mechanism is placed in the lower driver, and driver's arthrodesis is described in the lower end of the lower driver Upper driver pushes the driving mechanism to slide when collapsing in the lower driver.

Preferably, being provided with a clamping mechanism between the upper driver and the lower driver to position the upper driver and institute State the relative position of lower driver.

Preferably, the clamping mechanism includes an engagement pin, the engagement pin is slidingly arranged under the upper driver End, described get off offer the second connecting hole corresponding with the engagement pin on hand, and the engagement pin is separably sticked in In second connecting hole.

Preferably, the clamping mechanism further includes a traction piece, a sliding part and a third elastic component, the sliding part is sliding It is set to the lower end of the upper driver dynamicly, the traction piece is fixed on the sliding part, and is offered on the sliding part One third inclined hole is provided with a pillar on the engagement pin, and the pillar is arranged in the third inclined hole, passes through the traction Part pulls the sliding part sliding, to drive the engagement pin to slide by the third inclined hole, and the cunning of the sliding part Dynamic direction and the glide direction of the engagement pin are perpendicular, and the end of the third elastic component and the sliding part is inconsistent with right The sliding part is resetted.

Preferably, the lower end of the lower driver is fixed with a pipe close in hollow structure, the sliding part is slidably arranged In in the pipe close, the both ends of the third elastic component are contacted at respectively between the end of the sliding part and the pipe close, institute State pipe close, the upper driver side wall on offer respectively for the engagement pin stretch out one second through-hole and a third through-hole.

Preferably, the baby carriage frame further includes one folding operation portion, the operation portion that folds is set to the upper driver Above and with the clamping mechanism it connect.

Compared with prior art, due to baby carriage frame of the invention, pass through first connecting rod, second between driver, front foot Connecting rod pivot joint and form a four-bar linkage structure, the corresponding upper end with front foot in the upper end of the rear foot is pivotally connected, the both ends of seat pipe respectively with it is rear Foot, first connecting rod pivot joint, to make to form another four-bar linkage structure between front foot, the rear foot, seat pipe and first connecting rod, by two institutes Stating four-bar linkage structure drives entire baby carriage frame to change between unfolded state and collapse state, folds and operates more smooth, folding There is lesser volume afterwards.When folding by be arranged on driver fold operation portion can realize baby carriage frame one-handed actuation receive It closes, folds easy to operate, and the structure of the baby carriage frame is simple.

The present invention also provides another baby carriage frames comprising one folds fastener, and the fastener that folds is in the baby Youngster's vehicle frame is hidden in the baby carriage frame when being unfolded, and is protruded out outside the baby carriage frame when baby carriage frame folds； Wherein, one first connecting hole is had more on the baby carriage frame, it is described to fold fastener engaging when the baby carriage frame folds In in first connecting hole.

Preferably, the baby carriage frame further includes a pair of of driver, a pair of of front foot, a pair of of rear foot and a pair of of first connecting rod, often The upper end of one front foot is corresponding and the upper end of the rear foot is articulated, the both ends of each first connecting rod respectively with an institute State the lower end of driver, a front foot is articulated, be provided on the driver and described fold fastener；Wherein, described to fold card Component is hidden in the driver when baby carriage frame is unfolded, and the driver is protruded out when the baby carriage frame folds Outside, it is offered on the first connecting rod and folds corresponding first connecting hole of fastener with described.

Preferably, the fastener that folds is set in the driver, and offered described in confession on the side wall of the driver Fold the flexible first through hole of fastener.

Preferably, an inclined-plane guiding mechanism is provided in the driver, when the inclined-plane guiding mechanism is mobile described in promotion Fastener is folded to protrude out outside the driver.

Preferably, being moved along it direction in the inclined-plane guiding mechanism penetratingly offers long hole, it is described to fold fastener It is slidably received in the long hole.

Preferably, being also provided with the first inclined hole for being connected to the long hole, first inclined hole in the inclined-plane guiding mechanism There is an angle between the long hole, the fastener that folds includes one folding hook and perpendicular to the positioning for folding hook Bolt, the hook that folds is slidably received in the long hole, and the fastening screw is slidably disposed in described first In inclined hole.

Preferably, the fastener that folds further includes the first elastic component, the both ends of first elastic component contact at described It folds between the end of hook and the inner wall of the driver.

Preferably, the driver includes the upper driver and lower driver in stretching structure, the inclined-plane guiding mechanism is placed in In the lower driver, the inclined-plane guiding mechanism is pushed to slide when the upper driver collapses in the lower driver.

Compared with prior art, it due to baby carriage frame of the invention, is provided on driver and folds fastener, it is described to fold Fastener is hidden in driver when baby carriage frame is unfolded, and is protruded out outside driver when baby carriage frame folds, and described first It is offered on connecting rod in the first connecting hole corresponding with fastener is folded.When baby carriage frame folds, folds fastener and be sticked in In first connecting hole；Baby carriage frame has lesser volume after folding, and by folding fastener and the first connecting hole Cooperation guarantees the stability of collapse state, makes baby carriage frame that loose condition (of surface), easy to carry and transport will not be presented.And lead to when folding Cross be arranged on driver fold operation portion and can realize that the one-handed actuation of baby carriage frame folds, fold easy to operate, and the perambulator The structure of frame is simple.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of baby carriage frame first embodiment of the present invention.

Fig. 2 is the structural schematic diagram after Fig. 1 driver shrinks.

Fig. 3 is the collapse state schematic diagram of Fig. 1.

Fig. 4 is the enlarged diagram of upper driver in Fig. 2.

Fig. 5 is the cross-sectional view of clamping mechanism lock state of the present invention.

Fig. 6 is the cross-sectional view of clamping mechanism release the lock state of the present invention.

Fig. 7 is the enlarged diagram of part A in Fig. 1.

Fig. 8 is the exploded view of Fig. 7.

Fig. 9 is the status diagram in Fig. 8 after vehicle frame locking piece release the lock.

Figure 10 is the structural schematic diagram that vehicle frame locking piece is matched with driving mechanism in Fig. 9.

Figure 11 is the status diagram after baby carriage frame folds in Fig. 1.

Figure 12 is the structural schematic diagram of driving mechanism in baby carriage frame second embodiment of the present invention.

Figure 13 is another status diagram of driving mechanism in Figure 12.

Figure 14 is the structural schematic diagram of baby carriage frame 3rd embodiment of the present invention.

Figure 15 is the structural schematic diagram of another angle of Figure 14.

Figure 16 is the structural schematic diagram in Figure 14 inside lower driver.

Figure 17 is the structural schematic diagram of another state of baby carriage frame in Figure 14.

Figure 18 is the structural schematic diagram in Figure 17 inside lower driver.

Figure 19 is the enlarged diagram that the present invention folds fastener.

Figure 20 is the status diagram after baby carriage frame folds in Figure 14.

Specific embodiment

The embodiment of the present invention described referring now to the drawings, similar element numbers represent similar element in attached drawing.

As shown in Figure 1-Figure 3, in the first embodiment of baby carriage frame 1 of the present invention comprising a pair of of driver 11, a pair of of front foot 12, a pair of of rear foot 13, a pair of of first connecting rod 14, a pair of of second connecting rod 15 and a pair of of seat pipe 16, between the upper end of a pair of of driver 11 It is connected by a cross bar, to make the U-shaped structure of two driver 11；And the upper end of the lower end of each driver 11 and a first connecting rod 14 It is articulated in the first pivoting point A1, the lower end of each first connecting rod 14 and the middle part of a front foot 12 are articulated in the second pivoting point A2, often The corresponding lower end with a second connecting rod 15 in the upper end of one front foot 12 is articulated in third pivoting point A3, the upper end of each second connecting rod 15 The corresponding middle part with a driver 11 is articulated in the 4th pivoting point A4, the first pivoting point A1, the second pivoting point A2, third pivot joint Point A3 and the 4th pivoting point A4 are sequentially connected from head to tail to form a closed four-bar linkage structure；The upper end of each rear foot 13 corresponds to and one The upper end of front foot 12 is articulated in the 5th pivoting point A5, and the both ends of each seat pipe 16 connect with the middle part of a rear foot 13, one first respectively The middle part of bar 14 is articulated in the 6th pivoting point A6 and the 7th pivoting point A7, and each seat pipe 16 intersects with corresponding front foot 12. The second pivoting point A2, the 5th pivoting point A5, the 6th pivoting point A6 and the 7th pivoting point A7 are sequentially connected from head to tail to form another Four-bar linkage structure drives entire baby carriage frame 1 to change between unfolded state and collapse state by two four-bar linkage structures.

With continued reference to shown in Fig. 1-Fig. 3, in baby carriage frame 1 of the present invention, driver 11 is in retractable structure, and therefore, driver 11 Inside be provided with clamping mechanism 20 with position driver 11 it is flexible after relative position, and be provided on the cross bar between two drivers 11 with What clamping mechanism 20 was connected folds operation portion 10, and 20 release the lock of clamping mechanism can be driven by folding operation portion 10 by this；In this way when Driver 11 is in tensional state when use, and when receiving folded, driver 11 is in contraction state, to reduce the body of the baby carriage frame 1 after folding Product.Preferably, folding operation portion 10 with the clamping mechanism 20 in traction piece 21 (the details will be described later) connection two sides driver 11, therefore can Reach two sides release the lock simultaneously with one-handed performance.

In conjunction with shown in Fig. 1-Fig. 3, Fig. 7-Fig. 9, the lower end of driver 11 then passes through the driver joint 114 being fixed thereon and consolidates It is articulated due to the first connecting rod joint 141 of the upper end of the first connecting rod 14, driver joint 114 and first connecting rod joint 141 Between be additionally provided with vehicle frame locking piece 40, the vehicle frame locking piece 40 is for locking the baby carriage frame 1 of unfolded state；Separately Outside, the driving mechanism 30 being connected with vehicle frame locking piece 40 is additionally provided in driver 11, after driver 11 is retracted to minimum range, The driving mechanism 30 can be pushed to slide, so that the driving mechanism 30 drives 40 release the lock of vehicle frame locking piece and folds the perambulator Frame 1.

Referring again to shown in Fig. 1-Fig. 3, foot joint 121 before the upper end of front foot 12 is fixed with one, second connecting rod 15 passes through solid Before the second connecting rod joint 151 of its lower end is articulated in foot joint 121, the rear foot 13 is closed by being fixed thereon the rear foot at end Before section 131 is articulated in foot joint 121, and work as baby carriage frame 1 in the open state, after second connecting rod joint 151 contacts at In foot joint 131, to reinforce the stability of baby carriage frame 1.

As shown in figs 1 to 6, the driver 11 includes upper driver 111 and lower driver 112, and the upper driver 111 is scalable Ground is placed in the upper end of lower driver 112, and the lower end of upper driver 111 is fixed with clamping mechanism 20.Clamping mechanism 20 and fold behaviour Make portion 10 to connect by traction piece 21, and be separably sticked on lower driver 112, to position upper driver 111 and lower driver 112 Relative position between the two.Specifically, at least one second connecting hole 112a is provided on lower driver 112.In the present embodiment, A second connecting hole 112a is offered in the upper end of lower driver 112, when driver 11 is in tensional state, clamping mechanism 20 is blocked Together in second connecting hole 112a.However, the present invention is not limited thereto, can be in being arranged plural connecting hole, to realize on lower driver 112 The function of driver's height adjustment.

The lower end of the lower driver 112 is fixed with the driver joint 114, and driving mechanism 30 is placed in lower driver 112 It is interior；In this way, will push the sliding of driving mechanism 30 when upper driver 111 collapses in lower driver 112, driving mechanism 30 drives vehicle 40 release the lock of frame locking piece is to fold the baby carriage frame 1；Therefore, baby carriage frame can be realized by folding operation portion 10 described in operation 1 one-handed actuation folds.

Below with reference to shown in Fig. 1-11, to the specific of clamping mechanism 20 of the present invention, driving mechanism 30 and vehicle frame locking piece 40 Structure is illustrated respectively.

As shown in Figure 4-Figure 6, the clamping mechanism 20 is fixed on the lower end of driver 111, and separable with lower driver 112 Ground engaging.Specifically, the lower end of upper driver 111 is fixed with pipe close 113 in hollow structure, and clamping mechanism 20 is placed in the pipe close It stretches out in 113 and slideably outside the side walls for going up driver 111, in the second connecting hole 112a for being sticked on lower driver 112.

The clamping mechanism 20 includes traction piece 21, sliding part 22, engagement pin 23 and third elastic component 24, the sliding part 22 are slidingly arranged in pipe close 113, and sliding part 22 can be slided along the up and down direction of driver 11, and one end of traction piece 21 is fixed In the upper end of sliding part 22, the other end of traction piece 21 is fixedly connected with operation portion 10 is folded, and folds operation portion 10 by operation Sliding part 22 can be pulled to move.Third inclined hole 221 is offered on sliding part 22, and pillar 231 is provided on engagement pin 23, the pillar 231 perpendicular to engagement pin 23 ontology, pillar 231 is arranged in the third inclined hole 221；And it is opened on the side wall of upper driver 111 Equipped with elongated hole 111b corresponding with pillar 231, which protrudes out outside pipe close 113 and is arranged in the elongated hole In 111b, to be slidably connected on the side wall of driver 111.Third elastic component 24 is sheathed on outside traction piece 21, and its two End is contacted at respectively between the end of sliding part 22 and pipe close 113, and third elastic component 24 is to answer the sliding part 22 Position.

In addition, pipe close 113, upper driver 111 side wall on offer respectively stretched out for the engagement pin 23 it is second logical Hole 113a and third through-hole 111a；The second connecting hole 112a that lower 112 upper end of driver opens up is corresponding with engagement pin 23.Work as driver 11 be in tensional state when, engagement pin 23 pass through the second through-hole 113a, third through-hole 111a and be sticked in the second connecting hole 112a It is interior, as shown in Figure 5；When operation folds operation portion 10, folds operation portion 10 and pull sliding part 22 to slide by traction piece 21, from And drive the sliding of engagement pin 23 to take in upper driver 111 by third inclined hole 221, the glide direction and card of the sliding part 22 The glide direction of dowel pin 23 is perpendicular, after engagement pin 23 is detached from the second connecting hole 112a, gets on the bus as shown in fig. 6, can push at this time Hand 111 is contained in it in lower driver 112.

When upper driver 111 is contained in completely in lower driver 112, the fixed pipe close 113 in upper 111 lower end of driver pushes driving Mechanism 30 is mobile, to push 40 release the lock of vehicle frame locking piece to fold baby carriage frame 1.

As shown in Fig. 7-Figure 10, the driving mechanism 30 is slidingly arranged in lower driver 112, and under driving mechanism 30 End is connected with vehicle frame locking piece 40, and the upper end and upper driver 111 are separably inconsistent.The driving mechanism 30 successively can area It is divided into the first actuator 31, the second actuator 32 and third actuator 33, the first actuator 31, the second actuator 32 are placed in down In driver 112, and long hole 31a is offered on the first actuator 31, a pin 31b is arranged in long hole 31a and is connected to and gets off On the side wall of hand 112, so that the first actuator 31 is slidably connected in lower driver 112；Third actuator 33 slidably accommodates In in driver joint 114, and third actuator 33 is connected with vehicle frame locking piece 40, slides to drive by third actuator 33 40 release the lock of motor-car frame locking piece.Preferably, the first actuator 31, the second actuator 32 are one of the forming, the second actuator 32 is logical Cross the upper end of rivet (not being painted) connection third actuator 33.However, the present invention is not limited thereto, the first actuator, the second actuator and Third actuator can be one of the forming, and can also be respectively stand-alone assembly.

As shown in Figure 8, Figure 9, the lower end of the third actuator 33 has two opposite snap-latch pieces 331, two snap-latch pieces 331 Between form engaging area 332, and the second inclined hole 333 is penetratingly offered on two snap-latch pieces 331.The vehicle frame locking piece 40 has One bottom 41 vertically protrudes out to form an engaging column 42 from the middle part of the bottom 41, engages and is convexly equipped with engaging on the side wall of column 42 Convex 43, long axis direction of the engaging convex 43 perpendicular to engaging column 42.After installation, engaging column 42 is slidingly arranged at the engaging area In 332, engaging convex 43 is set in second inclined hole 333, and pivotal axis 115 is arranged in engaging column 42 and is connected to driver pass On section 114, first connecting rod joint 141, and engages and be additionally provided with the second elastic component between column 42 and the inner wall in driver joint 114 44, the both ends of second elastic component 44 contact at the inner wall in driver joint 114 respectively and engage the end of column 42, the second elasticity Part 44 is for further strengthening the compactness engaged between vehicle frame locking piece 40 and first connecting rod joint 141.In the present embodiment, the Two elastic components 44 can also omit, and not influence the realization of the various functions of the present invention equally.In this way, working as 33 slide downward of third actuator When, driving force is generated by 333 pairs of second inclined hole engagings convex 43, to drive vehicle frame locking piece 40 sliding along pivotal axis 115 It moves and is detached from first connecting rod joint 141, when engaging convex 43 is slided by one end far from the second actuator 32 of the second inclined hole 333 (referring to shown in Fig. 8, Fig. 9) when one end of neighbouring second actuator 32, vehicle frame locking piece 40 completely disengages first connecting rod joint 141, it realizes the release the lock of vehicle frame locking piece 40, can be mutually pivotable between first connecting rod joint 141 and driver joint 114.

Refering to the first return unit 35 shown in Fig. 9, Figure 10, is additionally provided in driving mechanism 30, the first return unit 35 is used for The driving mechanism 30 is driven to reset during opening vehicle frame 1.Specifically, sliding is offered on the third actuator 33 Hole 33a, sliding eye 33a are preferably kidney slot, and a connection piece 34 is arranged in sliding eye 33a and is fixedly connected on lower driver On 112 side wall, so that the third actuator 33 is slidably connected.First return unit 35 is sheathed on outside third actuator 33, and One end contacts at the connector 34, and the other end, which is contacted at, radially outward protrudes out to be formed first along the second actuator 32 Abutting portion 32a.In this way, first return unit 35 is compressed when 30 slide downward of driving mechanism；And when opening baby carriage frame 1 During, the first return unit 35 restores deformation and pushes 30 upward sliding of driving mechanism, then drives third actuator 33 multiple Position.When third actuator 33 resets, vehicle frame locking piece 40 is pushed to be caught in first connecting rod joint 141 again.Preferably, connector 34 For a pin, the first return unit 35 is a spring, is not limited thereto certainly.

With continued reference to shown in Fig. 7-Figure 10, offering the first accommodation groove 141a, Che Shouguan on the first connecting rod joint 141 First accommodation groove 141a described in face offers the second accommodation groove 114a, the first accommodation groove 141a, the second accommodation groove on section 114 114a is corresponding with the bottom 41 of vehicle frame locking piece 40, and vehicle frame locking piece 40 is slideably contained in the first accommodation groove 141a and Between two accommodation groove 114a, pivotal axis 115 is arranged in the first accommodation groove 141a, engaging column 42 and the second accommodation groove 114a thus will Three's connection, therefore, vehicle frame locking piece 40 can be slided along the pivotal axis 115.When baby carriage frame 1 in the open state, vehicle frame Locking piece 40 is contained in the first accommodation groove 141a, and engages separate second actuator 32 that convex 43 are located at the second inclined hole 333 One end, as shown in figure 8, vehicle frame locking piece 40 is in the lock state；When third 33 slide downward of actuator, tiltedly by described second 333 pairs of hole engaging convex 43 generates driving force, so that vehicle frame locking piece 40 be driven to slide along pivotal axis 115, slides when engaging convex 43 When to the second inclined hole 333 adjacent to one end of the second actuator 32, as shown in figure 9, vehicle frame locking piece 40 completely disengages the first appearance Slot 141a is set, the release the lock of vehicle frame locking piece 40 is realized, can be mutually pivotable between first connecting rod joint 141 and driver joint 114.

Turning also now to shown in Fig. 8, offering third accommodation groove 114b, third accommodation groove 114b and on driver joint 114 There is an angle, third actuator 33 is slidably placed in third accommodation groove 114b, and described the between two accommodation groove 114a The both ends of two elastic components 44 contact at the side wall of third accommodation groove 114b respectively and engage the end of column 42.

Below with reference to shown in Fig. 1-Figure 11, the process that folds of the present embodiment baby carriage frame 1 is described.

As shown in figs 1 to 6, it when folding, operates and folds operation portion 10 on driver 11, this folds the pulling of operation portion 10 and leads Draw part 21, so that traction piece 21 be made to pull sliding part 22 along 11 upward sliding of driver, passes through third inclined hole when sliding part 22 slides 221 pairs of pillars 231 generate active force, to drive radially-inwardly sliding namely engagement pin 23 of the engagement pin 23 along upper driver 111 Glide direction and sliding part 22 glide direction it is perpendicular.When pillar 231 folds operation portion 10 by the neighbouring of third inclined hole 221 One end slide into far from fold operation portion 10 one end when (referring to shown in Fig. 5, Fig. 6), engagement pin 23 completely disengages lower driver In the upper driver 111 of the second connecting hole 112a and income on 112, at this point, 111 slide downward of driver can be pushed until on entire Driver 111 collapses in lower driver 112.

As shown in Fig. 4-Figure 10, when upper driver 111 collapses in lower driver 112, the pipe close 113 of upper 111 lower end of driver First actuator 31 of pushing tow driving mechanism 30, to push 33 slide downward of third actuator.Third actuator 33 slided Cheng Zhong generates active force by the second inclined hole 333 convex to the engaging of vehicle frame locking piece 40 43 thereon, so that vehicle frame be driven to lock Part 40 is slided along pivotal axis 115.When engaging convex 43 slides into the other end by one end of the second inclined hole 333, vehicle frame locking piece 40 The first accommodation groove 141a is completely disengaged, to make first connecting rod joint 141 that can be pivotally connected with respect to driver joint 114, from there through behaviour Operation portion 10 is folded described in work can realize that the one-handed actuation of baby carriage frame 1 folds.

Then, direction shown in arrow F pushes down on driver 11 along Fig. 3, and driver 11 is relative to the first pivoting point A1, the 4th Pivoting point A4 is pivoted, and driver 11 drives first connecting rod 14, second connecting rod 15 rotating around the second pivoting point A2, third pivoting point A3 It pivots, four companies formed by the first pivoting point A1 of connection, the second pivoting point A2, third pivoting point A3 and the 4th pivoting point A4 Rod structure keeps the pivot of baby carriage frame 1 more smooth；The movement of first connecting rod 14 then will drive the movement of seat pipe 16, and by seat pipe 16 The rear foot 13 is driven to rotate around the 5th pivoting point A5, by the second pivoting point A2, the 5th pivoting point A5, the 6th pivoting point A6 and the 7th Pivoting point A7 connects another four-bar linkage structure to be formed and easily drives the front foot 12 of baby carriage frame 1 and folding for the rear foot 13.It is logical Crossing two four-bar linkage structures drives baby carriage frame 1 easily to pivot and fold, and folds that process is more smooth, and the baby carriage frame 1 after folding Small volume, baby carriage frame 1 after folding is as shown in figure 11.

In addition, the first return unit 35 is compressed during 30 slide downward of driving mechanism.And vehicle frame locking piece 40 is along pivot During shaft 115 is slided, the second elastic component 44 is compressed.During baby carriage frame 1 is opened, the first return unit 35 is extensive Complex deformation and push 30 upward sliding of driving mechanism, thus make third actuator 33 reset, thus again push vehicle frame locking piece 40 are caught in the first accommodation groove 114a.

Due to baby carriage frame 1 of the present invention, it is pivotally connected between driver 11, front foot 12 by first connecting rod 14, second connecting rod 15 And form a four-bar linkage structure, the corresponding upper end with front foot 12 in the upper end of the rear foot 13 is pivotally connected, the both ends of seat pipe 16 respectively with the rear foot 13, first connecting rod 14 is pivotally connected, to make to form another double leval jib knot between front foot 12, the rear foot 13, seat pipe 16 and first connecting rod 14 Structure drives entire baby carriage frame 1 to change between unfolded state and collapse state, folds operation by two four-bar linkage structures There is lesser volume after more smooth, folding.And it folds operation portion 10 by what is be arranged on driver 11 when folding and can realize baby The one-handed actuation of vehicle frame 1 folds, and folds easy to operate, and the structure of the baby carriage frame 1 is simple.

As shown in Figure 12 and Figure 13, the baby carriage frame (diagram is omitted) of second embodiment of the invention and above-mentioned first embodiment Baby carriage frame 1 compare, difference is only that: the structure of driving mechanism 30 is different.Other structures with above-mentioned first embodiment phase Together, only the distinguishing characteristics of the two is described below, same section repeats no more.

Specifically, the driving mechanism 30 includes that sequentially connected first actuator 31, the second actuator 32 and third are driven Moving part 33, the first actuator 31, the second actuator 32 are placed in lower driver 112, and third actuator 3 is slidably connected to driver On joint 114.Long hole 31a is offered on first actuator 31, a pin 31b is arranged in long hole 31a and is connected to lower driver On 112 side wall, to the first actuator 31 is slidably connected on the side wall of lower driver 112.The lower end of first actuator 31 It is slidably connected with the upper end of the second actuator 32, the lower end of the second actuator 32 is fixedly connected with the upper end of third actuator 33. The lower end of third actuator 33 is connected with vehicle frame locking piece 40, slides to drive vehicle frame locking piece by third actuator 33 40 release the locks.Wherein, the specific structure of third actuator 33 and its between the second actuator 32 be fixedly connected mode with it is upper It is identical to state first embodiment, is not repeated to describe herein.

In the present embodiment, the first return unit 35 is sheathed on outside the second actuator 32, and one end contacts at driver joint 114 On, the other end, which is contacted at, radially outward protrudes out the first abutting portion 32a to be formed along the second actuator 32.Specifically, driver Have on the inner wall in joint 114 and inwardly protrude out to form the second abutting portion 114c, one end of the first return unit 35 is placed in driver pass In section 114 and contact on the 114c of second abutting portion.Similarly, when 30 slide downward of driving mechanism, first return unit 35 It is compressed；And during opening baby carriage frame, the first return unit 35 restores deformation and third actuator 33 is pushed to reset, from And vehicle frame locking piece 40 is pushed to be caught in first connecting rod joint 141 again.

With continued reference to shown in Figure 12, Figure 13, in the present embodiment, also set up between the second actuator 32 and third actuator 33 There is the second return unit 36.The lower end of first actuator 31 have the first slide contact part 31c, the first slide contact part 31c with In step-like, the side wall formation third abutting portion 31d of the step between the ontology of first actuator 31.Second actuator 32 Specifically there are second slide contact part 32b corresponding with the first slide contact part 31c, the first slide contact part 31c and in upper end Two slide contact part 32b, which are matched, to be slidably connected.Second return unit 36 is sheathed on the first slide contact part 31c, the second sliding connects Except socket part 32b, and its both ends contradicts third abutting portion 31d, the first abutting portion 32a respectively.

Therefore, when driver 11 shrinks, upper driver 111 pushes 31 slide downward of the first actuator, so that compression second resets Part 36, when the first slide contact part 31c contradicts the first abutting portion 32a, the top of the second slide contact part 32b is also just contradicted Third abutting portion 31d, therefore the first actuator 31 pushes the second actuator 32,33 slide downward of third actuator.Baby carriage frame When opening, the second return unit 36 further pushes the second actuator 32 to reset.

As shown in Figure 14-Figure 20, the baby carriage frame of the baby carriage frame 2 of third embodiment of the invention and above-mentioned two embodiment Difference is only that: further including folding fastener 50.Other structures are any one of above-mentioned first, second embodiment, below only The distinguishing characteristics of the two is described, same section repeats no more.

It as shown in Figure 14, Figure 15, folds fastener 50 and is set on driver 11, the fastener 50 that folds is in baby carriage frame It is hidden in driver 11, and is protruded out outside driver 11 when baby carriage frame 2 folds, and offered on first connecting rod 14 when 2 expansion The first connecting hole 142 corresponding with fastener 50 is folded, it is described to fold fastener 50 when the baby carriage frame 2 folds completely It is sticked in first connecting hole 142, to prevent the baby carriage frame after folding 2 from opening.

As shown in Figure 14-Figure 19, folds fastener 50 and be set on lower driver 112, offered on the side wall of lower driver 112 Fold the flexible first through hole 112b of fastener 50 for described (see shown in Figure 14, Figure 17).Inclined-plane is provided in lower driver 112 to draw Mechanism 60 is led, fastener 50 is folded described in promotion when the inclined-plane guiding mechanism 60 is mobile and protrudes out outside the driver 11.

With continued reference to shown in Figure 14-Figure 19, direction is moved along it in the inclined-plane guiding mechanism 60 and penetratingly offers length Hole 61, the long hole 61 are preferably kidney slot, are also provided with the first inclined hole for being connected to the long hole 61 in the inclined-plane guiding mechanism 60 62, there is an angle, folding fastener 50 can slide relative to inclined-plane guiding mechanism 60 between first inclined hole 62 and long hole 61 It is placed in the long hole 61, and is slidably disposed in the first inclined hole 62 by fastening screw 52 dynamicly.

Specifically, it is described fold fastener 50 and specifically include fold hook 51, fastening screw 52 and the first elastic component 53, position Bolt 52 is arranged perpendicular to the long axis direction for folding hook 51, folds hook 51 and is slidably received in long hole 61, and fastening screw 52 are sticked in the first inclined hole 62, and the both ends of the first elastic component 53 contact at the inner wall of the inside and lower driver 112 that fold hook 51 Between, the first elastic component 53 folds the stability that hook 51 is sticked in the first connecting hole 142 for further keeping.

In conjunction with shown in Figure 14-Figure 19, in the present embodiment, when folding fastener 50 and collapsing in lower driver 112, hook is folded 51 are contained in separate one end for folding operation portion 10 of long hole 61, and fastening screw 52 is also contained in the separate of the first inclined hole 62 and folds One end (as shown in figure 16) of operation portion 10.When folding operation, driving inclined-plane guiding mechanism 60 is along lower driver 112 to downslide Dynamic, inclined-plane guiding mechanism 60, which makes to fold hook 51 by driving fastening screw 52 sliding of the first inclined hole 62, protrudes out first through hole 112b.When fastening screw 52 slides into neighbouring one end for folding operation portion 10 of the first inclined hole 62, folds hook 51 and protrude out completely First through hole 112b (as shown in figure 18) out.

Preferably, the inclined-plane guiding mechanism 60 in the present embodiment be it is integrally formed be set in driving mechanism 30, such as set It is placed on the first actuator 31.In this way when upper driver 111 collapses in lower driver 112, upper driver 111 contacts and pushes driving Mechanism 30 is slided, while slides inclined-plane guiding mechanism 60, to generate the work of power to fastening screw 52 by the first inclined hole 62 With, with driving fold hook 51 slide and protrude out outside first through hole 112b.Correspondingly, during baby carriage frame 2 is opened, the One return unit 35 restores deformation and driving mechanism 30 is pushed to reset, while making 60 upward sliding of inclined-plane guiding mechanism and resetting, this In the process, the first inclined hole 62 driving fastening screw 52 of inclined-plane guiding mechanism 60 slides and makes to fold the income first through hole of hook 51 In 112b.

It is worth noting that, driving mechanism 30 can be any one of above-mentioned first, second embodiment in the present embodiment, this The technology being well known to those skilled in the art.

Preferably, it when structure described in driving mechanism 30 is set as above-mentioned second embodiment, is received in baby carriage frame 2 During conjunction, the first return unit 35, the second return unit 36 are compressed；During baby carriage frame 2 is opened, the first return unit 35 Restore deformation and driving mechanism 30 is pushed to reset, and the second return unit 36 also restores deformation and further drives the first actuator 31 Reset, thus 60 upward sliding of synchronous drive inclined-plane guiding mechanism and reset, the driving of the first inclined hole 62 of inclined-plane guiding mechanism 60 Fastening screw 52 slides and makes to fold in the income of hook 51 first through hole 112b；Pass through the first actuator 31, second being provided separately Actuator 32 enables clamping hooked 51 preferably to reset.

In the present embodiment baby carriage frame 2 to fold process identical as the baby carriage frame 1 of above-mentioned first embodiment, therefore not Repeat description.After baby carriage frame 2 folds, the fastener 50 that folds is sticked in the first connecting hole 142, and guarantee folds shape The stability of state makes baby carriage frame 1 not to be presented loose condition (of surface), and the first elastic component 53 for be further ensured that fold hook 51 with The stability of first connecting hole 142 engaging, the baby carriage frame 2 after folding are as shown in figure 20.

Simultaneously as 30 slide downward of driving mechanism and after driving 40 release the lock of vehicle frame locking piece, 141 phase of first connecting rod joint After pivoting for driver joint 114, vehicle frame locking piece 40 is made to contact on first connecting rod joint 141 and can not reset, therefore, driven Motivation structure 30 cannot reset upwards, steadily convexedly stretch in outside first through hole 112b always to can guarantee and fold hook 51, guarantee it The stability being sticked in the first connecting hole 142, the first elastic component 53 are used to further strengthen the stability of the two.Baby carriage frame In 2 opening procedures, the first return unit 35 restores deformation and driving mechanism 30 is driven to reset, while resets inclined-plane guiding mechanism 60 It is driven and is folded in the income of fastener 50 first through hole 112b with this.Therefore, when the first elastic component 53 described in this implementation omits, also The realization of the various functions of the present invention is not influenced equally.

Due to baby carriage frame 2 of the invention, be provided on driver 11 and fold fastener 50, it is described fold fastener 50 in Baby carriage frame 2 is hidden in driver 11 when being unfolded, and is protruded out outside driver 11 when baby carriage frame 2 folds, and described first connects It is offered on bar 14 142 in the first connecting hole corresponding with fastener 50 is folded.When baby carriage frame 2 folds, fastener is folded 50 are sticked in first connecting hole 142；Baby carriage frame 2 has lesser volume after folding, and by folding fastener 50 The stability for guaranteeing collapse state with the cooperation of the first connecting hole 142, makes baby carriage frame 2 that loose condition (of surface) will not be presented, convenient for taking Band and transport.And fold operation portion 10 by what is be arranged on driver 11 when folding and can realize that the one-handed actuation of baby carriage frame 2 folds, Fold easy to operate, and the structure of the baby carriage frame 2 is simple.

In addition, the present invention illustrates body frame structure for automotive respectively with the baby carriage frame of first embodiment 1, driver's clamping mechanism 20, drives Motivation structure 30 and vehicle frame locking piece 40 illustrate another driving mechanism 30 with second embodiment, and illustrate baby with 3rd embodiment The telescopic of youngster's vehicle frame 2 folds fastener 50, but embodiments of the present invention are not limited to this.Baby carriage frame 1 can also make Fastener 50 is folded with baby carriage frame 2, and the body frame structure for automotive of baby carriage frame 2, clamping mechanism 20, driving mechanism 30 and vehicle frame are locked It is substantially the same with baby carriage frame 1 to determine part 40.The feature of various embodiments of the present invention can be combined with each other implementation without conflicting.

The above disclosure is only a preferred embodiment of the invention, cannot limit the right of the present invention with this certainly Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.

Claims

1. A baby carriage frame, characterized in that it comprises a pair of riders, a pair of front feet, a pair of rear legs, a pair of first connecting rods, a pair of second connecting rods and a pair of seat tubes. The lower end and the upper end of a first link are pivotally connected to the first pivot point, the lower end of each first link and a front foot are pivotally connected to the second pivot point, and the upper end of each front foot corresponds to The lower end of a second link is pivotally connected to a third pivot point, the upper end of each second link is correspondingly pivoted to a fourth pivot point for the rider, and the first pivot point, the The second pivot point, the third pivot point and the fourth pivot point are connected to form a four-link structure, and the upper end of the rear leg is pivotally connected to the fifth pivot point corresponding to the upper end of the front leg. The two ends of the seat tube are respectively pivoted to the sixth pivot point and the seventh pivot point with the rear foot and the first link, and each seat tube intersects the corresponding front foot, so the The second pivot point, the fifth pivot point, the sixth pivot point and the seventh pivot point are connected to form another four-link structure, and the entire baby carriage frame is driven by the two four-link structures. Transitions between expanded and collapsed states.

2 . The baby carriage frame of claim 1 , wherein the rider is pivotally connected to the first link joint fixed to the upper end of the first link through the rider joint fixed to the lower end thereof. 3 .

3 . The baby carriage frame of claim 2 , wherein a frame locking member is further provided between the rider joint and the first link joint, and the frame locking member is used to prevent the unfolded state. 4 . The stroller frame is locked and can be unlocked to fold the stroller frame.

4 . The stroller frame of claim 3 , wherein a first accommodating groove is formed on the first link joint, and a first accommodating groove is formed on the rider joint facing the first accommodating groove. 5 . Two accommodating grooves, the frame locking member is slidably accommodated between the first accommodating groove and the second accommodating groove.

5 . The stroller frame of claim 4 , wherein a pivot shaft passes through the first accommodating slot and the second accommodating slot, and the frame locking member is along the pivot shaft. 6 . slide.

6 . The baby carriage frame of claim 4 , wherein a driving mechanism is slidably disposed in the rider, the driving mechanism is connected with the frame locking member, and the driving mechanism pushes the frame when moving. 7 . The frame locking piece is disengaged from the first accommodating groove, so that the first link joint can rotate relative to the rider joint.

7 . The stroller frame of claim 6 , wherein a third driving member is fixed to the lower end of the driving mechanism, a third accommodating groove is defined on the rider joint, and the third accommodating groove There is an included angle with the second accommodating groove, the third driving member is slidably accommodated in the third accommodating groove, and the third driving member is in contact with the frame locking member connect.

8 . The stroller frame of claim 7 , wherein the end of the third driving member has two opposite engaging pieces, an engaging area is formed between the two engaging pieces, and the two A second inclined hole is formed through the engaging piece, an engaging post protrudes from the frame locking piece, an engaging protrusion is protruded on the side wall of the engaging post, and the engaging post is arranged on the In the engaging area, the engaging protrusion is arranged in the second inclined hole.

9 . The stroller frame of claim 7 , wherein the driving mechanism is further provided with a first reset member, and the first reset member is used to drive the driving mechanism to reset. 10 .

10 . The stroller frame of claim 9 , wherein a sliding hole is defined on the third driving member, and a connecting member penetrates through the sliding hole and is fixedly connected to the side wall of the rider. 11 . In the above, the two ends of the first reset member are respectively abutted against the connecting member and the driving mechanism.

11 . The stroller frame of claim 9 , wherein two ends of the first restoring member are respectively abutted against the rider joint and the driving mechanism. 12 .

12. The stroller frame of claim 10 or 11, wherein the driving mechanism has a first abutting portion protruding outward, and one end of the first restoring member abuts against the first abutting portion. A conflicting part.

13 . The baby carriage frame of claim 9 , wherein the driving mechanism further comprises a first driving member and a second driving member that are slidably connected, the second driving member and the third driving member being fixed. 14 . connected, and a second reset member is also arranged between the first driving member and the second driving member, and the two ends of the second reset member are respectively in contact with the first driving member and the second driving member. pieces.

14 . The stroller frame of claim 8 , wherein the frame locking member has a bottom corresponding to the first accommodating groove and the second accommodating groove, and the frame from the bottom The engaging column is formed by a vertical protrusion.

15 . The stroller frame of claim 8 , further comprising a second elastic member, two ends of the second elastic member respectively abut against the side wall of the third accommodating slot and the clip. 16 . end of the column.

16 . The stroller frame of claim 6 , wherein the rider includes an upper rider and a lower rider, the upper rider is telescopically accommodated at the upper end of the lower rider, and the drive mechanism accommodates the upper end of the lower rider. 17 . In the lower rider, the rider joint is fixed on the lower end of the lower rider, and the upper rider pushes the driving mechanism to slide when retracted in the lower rider.

17 . The stroller frame of claim 16 , wherein an engaging mechanism is provided between the upper rider and the lower rider to locate the relative positions of the upper rider and the lower rider. 18 .

18 . The stroller frame of claim 17 , wherein the engaging mechanism comprises an engaging pin, the engaging pin is slidably disposed on the lower end of the upper rider, and the lower rider is provided with an opening on the lower rider. 19 . There is a second engaging hole corresponding to the engaging pin, and the engaging pin is detachably engaged in the second engaging hole.

19 . The stroller frame of claim 18 , wherein the engaging mechanism further comprises a traction member, a sliding member and a third elastic member, and the sliding member is slidably disposed on the upper rider. 20 . The lower end of the tractor is fixed on the sliding member, and a third inclined hole is opened on the sliding member, and a convex column is provided on the engaging pin, and the convex column passes through the third In the inclined hole, the sliding member is pulled by the traction member to slide, so that the engaging pin is driven to slide through the third inclined hole, and the sliding direction of the sliding member is consistent with the sliding direction of the engaging pin. Vertically, the third elastic piece collides with the end of the sliding piece to reset the sliding piece.

20 . The baby carriage frame of claim 19 , wherein a tube plug having a hollow structure is fixed at the lower end of the lower rider, the sliding member is slidably arranged in the tube plug, and the first The two ends of the three elastic members are respectively in contact between the end of the sliding member and the pipe plug. The pipe plug and the side wall of the upper rider are respectively provided with a hole for the engaging pin to extend. The second through hole and a third through hole.

21 . The stroller frame of claim 17 , further comprising a retractable operation portion, wherein the retractable operation portion is disposed on the upper rider and connected to the engaging mechanism. 22 .