CN209274678U - A baby carriage that can stand after being folded - Google Patents

Abstract

The utility model discloses a collapsible standing baby carriage, which comprises a carriage frame with an unfolding state and a collapsible state, the frame comprises a front foot, a first connecting rod, a second connecting rod and a rear foot, the front ends of the first connecting rod and the second connecting rod are respectively fixedly connected with the front foot, the connecting point of the front foot and the first connecting rod is positioned at the upper side of the connecting point of the front foot and the second connecting rod, the front end of the rear foot is pivoted with the rear ends of the first connecting rod and the second connecting rod, in the connection mode, the first connecting rod and the second connecting rod are separated between the front end of the rear foot and the front foot, therefore, after the frame is folded, the front foot and the rear foot are not on the same left and right plane, so that the front wheel and the rear wheel which are respectively connected with the lower sides of the front foot and the rear foot are not parallel to each other and are on the same left and right plane, but is supported on the ground in a front-back staggered manner, so that the folded frame can stand on the ground, and the lifting and taking are convenient.

Description

A baby carriage that can stand after being folded

technical field

The utility model relates to an article for infants and young children, in particular to a stroller.

Background technique

The stroller is used to carry infants and young children to reduce the burden on parents. The stroller generally includes a foldable frame, so that when not in use, the frame can be folded to reduce the occupied space and facilitate storage and transportation. Many of the existing baby carriages cannot stand after being folded, and are in a lying state, which is inconvenient to carry.

Utility model content

The technical problem to be solved by the utility model is to provide a baby carriage that can stand after being folded.

In order to achieve the above object, the technical solution adopted in the utility model is:

A baby stroller that can stand after being folded, which includes a vehicle frame with an expanded state and a collapsed state, the vehicle frame includes a front foot, a first connecting rod, a second connecting rod, and a rear foot, and the front end of the first connecting rod It is fixedly connected to the front foot, the front end of the second link is also fixedly connected to the front foot, and the connection point between the front foot and the first link is located on the upper side of the connection point between the front foot and the second link. The first connecting rod is fixedly connected to the rear end of the second connecting rod, and the front end of the rear foot is pivotally connected to the rear ends of the first connecting rod and the second connecting rod.

The vehicle frame also includes a front wheel connected to the front bottom of the front foot, and a rear wheel connected to the rear bottom of the rear foot.

The vehicle frame also includes a rider, and the lower end of the rider is connected to the front foot in a relatively slidable up and down manner or connected to the front foot in a relatively rotatable manner.

The rider includes an upper rider and a lower rider, the lower end of the lower rider is connected to the upper end of the front foot in a relatively vertical sliding manner, and a first locking mechanism is arranged between the two to limit the relative sliding up and down of the two; The lower end of the rider's upper is pivotally connected to the upper end of the rider's lower, and a second locking mechanism for limiting the relative rotation of the two is arranged between the two.

The vehicle frame includes brackets on the left and right sides, each of the side brackets includes the front foot, the first connecting rod, the second connecting rod, and the rear foot, and each of the side brackets also includes a fixed seat and a first pivotal seat. , the rear ends of the first connecting rod and the second connecting rod are fixedly connected to the fixed seat, the front ends of the rear legs are fixedly connected to the first pivotal seat, and the fixed seat and the first pivotal seat Pivot left and right.

The baby stroller that can stand after being folded also includes a folding mechanism arranged on the frame for making the frame switch between the unfolded state and the folded state, and the folding mechanism includes left and right two Locking mechanisms for restricting the relative rotation between the left and right bracket fixing seats and the first pivot seat respectively, and the folding mechanism also includes a release mechanism for releasing the left and right locking mechanisms. lock mechanism.

The opposite sides of the fixed seat and the first pivot seat are provided with tooth grooves, each of the locking mechanisms includes a gear and a first spring, and one end of the first spring leans against the bottom of the tooth groove of the fixed seat The other end of the wall leans against the gear, and under the action of the first spring, the gear meshes with the tooth grooves of the fixed seat and the first pivot seat at the same time.

Each of the side brackets also includes a second pivot seat, and the fixed seat, the first pivot seat, and the second pivot seat are pivotally connected left and right; the vehicle frame also includes a U-shaped operating tube, and the U-shaped The upper sides of the left and right ends of the operation tube are respectively fixedly connected to the second pivot seats of the left and right brackets; the release mechanism includes two left and right operating devices respectively used to drive the gears of the left and right locking mechanisms to move, The left and right limiting mechanisms respectively limit the movement of the left and right actuating devices, and the operating mechanism for simultaneously releasing the left and right limiting mechanisms, and the operating mechanism is arranged on the transverse tube of the U-shaped operating tube.

Each of the action devices includes a driving seat and two symmetrically arranged driving pins. The driving seat is arranged on the side of the second pivot seat facing the first pivot seat and can be connected with the second pivot seat. The sockets rotate together, and the driving seat is symmetrically provided with two wave-shaped driving surfaces on one side facing the first pivot seat, and one end of the two driving pins respectively abuts against the two wave-shaped driving surfaces, The other end abuts against the gear after passing through the first pivot seat.

A groove is provided on the side of the first pivot seat facing the second pivot seat, and a spring seat is provided on the side wall of the groove; correspondingly, the drive seat faces the side of the first pivot seat It is accommodated in the groove, and a convex rib is arranged on the outer wall of the side of the driving seat, and a third spring is arranged between the spring seat and the convex rib.

The side of the second pivotal seat far away from the first pivotal seat is provided with accommodating holes extending left and right, and the middle of the driving seat is provided with a through hole through the left and right; the first pivotal seat faces the second pivotal seat. One side of the socket is extended with a locking tube, and the locking tube extends into the accommodation hole of the second pivot seat after passing through the perforation of the driving seat, and the locking tube is located in the accommodation hole. A part is provided with a locking hole, and the part connecting the second pivot seat and the rear foot is also provided with a through hole communicating with the accommodating hole; each of the restricting mechanisms includes a steel wire fixedly connected to the steel wire The locking pin at the upper end and the second spring sleeved on the steel wire; the lower end of the steel wire is connected to the operating mechanism; the upper ends of the left and right sides of the U-shaped operating tube are fixedly connected with a U-shaped spring seat, the lower end of the U-shaped spring seat is provided with a hole for the steel wire to pass through, the upper end of the second spring is against the lower end of the locking pin, and the lower end is against the bottom of the U-shaped spring seat; Under the action of the second spring, the upper end of the locking pin is inserted into the locking hole of the locking tube after passing through the through hole of the second pivot seat.

The fixed seat, the first pivotal seat and the second pivotal seat of the brackets on the left and right sides are pivotally connected together through a pivot shaft extending left and right; the frame also includes a linkage rod, and the linkage rod sleeve It is arranged on the pivot, and the left and right sides of the linkage rod are respectively inserted into the perforations of the drive seat through the accommodating holes of the second pivot seats of the brackets on the left and right sides; the linkage rod and the second The pivotal seat is fixedly connected, and the left and right ends of the linkage rod are respectively provided with a plurality of slots. Correspondingly, the inner wall of the middle perforation of the driving seat is provided with a plurality of protrusions, each of which is located at the corresponding slots.

Tooth slots are provided on the opposite sides of the fixed seat and the first pivot seat, and each locking mechanism includes a gear and a first spring, and one end of the first spring leans against the teeth of the first pivot seat. The other end of the bottom wall of the groove abuts against the gear, and under the action of the first spring, the gear meshes with the tooth grooves of the fixing seat and the first pivot seat at the same time.

The release mechanism includes two symmetrically arranged buttons on the left and right, and the two buttons are respectively connected to the fixing seats of the left and right side brackets to move left and right; each of the buttons includes a body, and a push rod extending from the body to the direction of the gear. , the push rod abuts against the side of the gear away from the first spring.

The front end of the first connecting rod is fixedly connected to the upper side of the front foot, and the front end of the second connecting rod is fixedly connected to the lower side of the front foot.

The beneficial technical effects of the utility model are: because the front end of the first connecting rod is fixedly connected to the front foot, the front end of the second connecting rod is also fixedly connected to the front foot, and the connection point between the front foot and the first connecting rod is located at On the upper side of the connection point between the front foot and the second link, the first link is fixedly connected to the rear end of the second link, the front end of the rear foot is pivotally connected to the rear end of the first link and the second link, This connection method makes the front end of the rear foot and the front foot separated by the first connecting rod and the second connecting rod, so after the vehicle frame is folded, the front foot and the rear foot will not be on the same left and right plane, which will make them respectively connected to the The front wheels and the rear wheels on the lower side of the front feet and the rear feet will not be parallel to the left and right but on the same left and right plane, but are supported on the ground in a front and rear dislocation shape, so that the folded vehicle frame can stand on the ground, thereby facilitating lifting. Take; In addition, the connection method of the front foot, the rear foot, the first link and the second link can also make the frame more stable in the unfolded state.

Description of drawings

Fig. 1 is a schematic plan view of the folded and standing baby carriage of the present invention in an unfolded state;

Fig. 2 is a schematic plan view of the folded and standing baby carriage of the present invention in a folded state;

Fig. 3 is a three-dimensional schematic diagram of the baby carriage that can stand after being folded in the expanded state of the utility model;

Fig. 4 is an enlarged schematic diagram according to another angle of part A in Fig. 3;

Fig. 5 is the enlarged schematic view of the section according to Fig. 4;

Fig. 6 is an enlarged schematic diagram according to part B in Fig. 5;

Fig. 7 is the exploded schematic diagram according to part B in Fig. 5;

FIG. 8 is an enlarged schematic diagram of explosion according to another angle of part B in FIG. 5 .

Fig. 9 is a three-dimensional schematic diagram of another embodiment of the baby carriage of the present invention;

Fig. 10 is an enlarged schematic diagram according to part C in Fig. 9;

Fig. 11 is an enlarged schematic diagram of explosion according to part C in Fig. 9;

Fig. 12 is an enlarged schematic diagram of explosion according to another viewing angle of part C in Fig. 9;

FIG. 13 is an enlarged cross-sectional schematic view of part C in FIG. 9 .

Detailed ways

As shown in Figures 1 and 2, the folded baby carriage of the present invention includes a frame 100 in an unfolded state and a folded state, and the frame 100 includes a front foot 1, a first connecting rod 3, a second connecting rod Rod 4, rear foot 5, the front end of the first connecting rod 3 is fixedly connected to the front foot 1, the front end of the second connecting rod 4 is also fixedly connected to the front foot 1, and the front foot 1 and the first connecting rod 3 The connection point is located on the upper side of the connection point between the front foot 1 and the second connecting rod 4, the first connecting rod 3 is fixedly connected to the rear end of the second connecting rod 4, and the front end of the rear foot 5 is connected to the first connecting rod 3 It is pivotally connected with the rear end of the second connecting rod 4 . That is to say, a connection point is formed after the front foot 1 is connected with the first connecting rod 3, and a connection point is also formed after the front foot 1 is connected with the second connecting rod 4. Referring to the front and rear extension of the front foot 1, relatively speaking, The connection point between the front foot 1 and the first link 3 is on the upper side of the connection point between the front foot 1 and the second link 4 .

Preferably, the front end of the first connecting rod 3 is fixedly connected to the upper side of the front foot 1 , and the front end of the second connecting rod 4 is fixedly connected to the lower side of the front foot 1 . In other embodiments, the first connecting rod 3 and the second connecting rod 4 can also be fixedly connected to other suitable positions of the front foot 1, as long as the two connecting points are at different positions up and down.

The vehicle frame 100 also includes a front wheel 6 connected to the front bottom of the front foot 1 , and a rear wheel 7 connected to the rear bottom of the rear foot 5 .

The vehicle frame 100 also includes a rider 2 whose lower end is connected to the front foot 1 . Preferably, the lower end of the driver 2 is connected to the front foot 1 in a relatively slidable up and down manner or connected to the front foot 1 in a relatively rotatable manner. In this embodiment, the rider 2 includes an upper rider 21 and a lower rider 22, the lower end of the lower rider 22 is connected to the upper end of the front foot 1 so as to slide up and down relative to each other. The first locking mechanism that relatively slides up and down; the lower end of the upper driver 21 is pivotally connected to the upper end of the lower driver 22, and a second locking mechanism for limiting the relative rotation of the two is arranged between the two. After the frame 100 is folded, the first locking mechanism and the second locking mechanism can be released, so that the lower 22 of the driver slides into the front foot 1, so that the upper 21 of the driver rotates relatively close to the front foot 1, Therefore, the volume of the collapsed vehicle frame 100 is reduced. The specific structures of the first locking mechanism and the second locking mechanism can adopt any feasible known technology. In other embodiments, the driver 2 can also be set so that the whole body can rotate relative to the front foot 1 , or the whole body of the driver 2 can be completely retracted into the front foot 1 . In other embodiments, the driver 2 is connected to the outer side of the front foot 1 so that it can slide up and down relatively.

In yet another embodiment, the driver 2 can also be set as an integral type, that is, regardless of the upper part of the driver and the lower part of the driver, the lower end of the integrated driver 2 can be connected to the front foot 1 in a relatively vertical sliding manner or the lower end is pivotally connected to the front foot 1 .

As shown in Figures 3 and 4, the vehicle frame 100 includes left and right side brackets 101, and each side bracket 101 includes the front foot 1, the first connecting rod 3, the second connecting rod 4, and the rear foot 5. The side bracket 101 also includes a fixed seat 8 and a first pivot seat 9, the rear ends of the first connecting rod 3 and the second connecting rod 4 are fixedly connected to the fixed seat 8, and the rear legs 5 The front end is fixedly connected to the first pivotal seat 9, and the fixed seat 8 and the first pivotal seat 9 are pivotally connected left and right.

The baby carriage that can stand after being folded in the utility model also includes a folding mechanism arranged on the frame 100 for making the frame 100 switch between the unfolded state and the folded state, and the folding mechanism It includes two left and right locking mechanisms respectively arranged between the left and right bracket fixing seats 8 and the first pivot seat 9 for restricting the relative rotation of the two. The release mechanism of the locking mechanism described above. That is to say, the locking mechanism for limiting relative rotation between the fixing seat 8 and the first pivot seat 9 of each side bracket is provided.

As shown in Figures 5, 6, 7, and 8, in this embodiment, tooth grooves 81, 91 are provided on opposite sides of the fixed seat 8 and the first pivot seat 9, and each of the locking mechanisms includes The gear 30 and the first spring 40, one end of the first spring 40 abuts against the bottom wall of the tooth groove 81 of the fixing seat, and the other end abuts against the gear 30, under the action of the first spring 40, The gear 30 meshes with the tooth slots 81 , 91 of the fixed seat 8 and the first pivotal seat 9 at the same time. Therefore, the rear foot 5 cannot rotate relative to the front foot 1, and the vehicle frame 100 is locked in the unfolded state.

Each of the side brackets 101 also includes a second pivot seat 10, the fixed seat 8, the first pivot seat 9 and the second pivot seat 10 are pivotally connected left and right; the vehicle frame 100 also includes a U-shaped operation The tube 20 , the upper sides of the left and right ends of the U-shaped operating tube 20 are respectively fixedly connected to the second pivot seats 10 of the left and right brackets 101 .

The unlocking mechanism includes two left and right action devices respectively used to drive the gears 30 of the left and right locking mechanisms to move, two left and right limiting mechanisms respectively restricting the movement of the left and right action devices, and two left and right action devices for simultaneously releasing the locks. Operating mechanism 50 of the limiting mechanism. In this embodiment, the operating mechanism 50 is disposed on the transverse tube of the U-shaped operating tube 20 .

Each of the action devices includes a driving seat 60 and two symmetrically arranged driving pins 70, the driving seat 60 is arranged on the side of the second pivot seat 10 facing the first pivot seat 9 and can be connected with The second pivotal base 10 rotates together, and the driving base 60 is symmetrically provided with two wave-shaped driving surfaces 601 on one side facing the first pivotal base 9 , one end of the two driving pins 70 respectively abuts against Lean against the two wave-shaped driving surfaces 601 , and the other end passes through the first pivot seat 9 and leans against the gear 30 .

The side of the second pivot seat 10 far away from the first pivot seat 9 is provided with an accommodating hole 102 extending left and right, and the middle of the drive seat 60 is provided with a left and right penetrating hole; the first pivot seat 9 9. A locking tube 92 extends toward one side of the second pivot base 10, and the locking tube 92 passes through the perforation of the drive base 60 and then extends into the accommodating hole 102 of the second pivot base 10. And the part of the locking tube 92 located in the accommodating hole 102 is provided with a locking hole 93, and the part connected with the rear foot 5 of the second pivot seat 10 is also provided with a through hole communicating with the accommodating hole 102; One of the limiting mechanisms includes a steel wire 80, a locking pin 801 fixedly connected to the upper end of the steel wire 80, and a second spring 90 sleeved on the steel wire 80; the connection at the lower end of the steel wire 80 In the operating mechanism 50, a U-shaped spring seat 201 is fixedly connected to the upper ends of the left and right sides of the U-shaped operating tube 20, and the lower end of the U-shaped spring seat 201 is provided with a hole for the steel wire 80 to pass through. The upper end of the second spring 90 abuts against the lower end of the locking pin 801, and the lower end abuts against the bottom of the U-shaped spring seat 201; under the action of the second spring 90, the upper end of the locking pin 801 passes through The through hole of the second pivot seat 10 is inserted into the locking hole 93 of the locking tube 92. At this time, the first pivot seat 9 and the second pivot seat 10 cannot rotate relative to each other, so that the drive The seat 60 cannot rotate and cannot drive the driving pin 70 to move, so the vehicle frame 100 is locked in the unfolded state.

Preferably, the locking pin 801 is integrally formed with the steel wire 80 .

The operating mechanism 50 can be any feasible mechanism, which is not the focus of the present invention, so it will not be repeated here.

When the vehicle frame 100 is to be folded, the operating mechanism 50 is operated to pull the steel wire 80 to move downward, so that the locking pin 801 moves downward and disengages from the locking hole 93 of the locking tube 92 of the first pivot seat. At this time, The second pivotal seat 10 can rotate relative to the first pivotal seat 9; rotate the U-shaped operating tube 20 upwards to drive the second pivotal seat 10 to rotate, that is, to drive the drive seat 60 to rotate, thereby Driven by the wave-shaped driving surface 601 of the driving seat, the two driving pins 70 move toward the gear 30, thereby compressing the first spring 40, and pushing the gear 30 away from the tooth groove 91 of the first pivot seat. meshing, so that the gear 30 only meshes with the tooth groove 81 of the fixed seat 8, so that the second pivot seat 10 can rotate relative to the fixed seat 8, that is, the rear foot 5 can rotate relative to the first connecting rod 3 and the second connecting rod 4; At this time, continue to lift the U-shaped operating tube 20 upwards, the front leg 1, the first connecting rod 3, and the second connecting rod 4 remain relatively fixed as a whole, and the rear leg 5 will automatically rotate forward relative to the whole, thereby The vehicle frame 100 is folded. In this way, the two locking mechanisms can be simultaneously released by operating the release mechanism with one hand.

In other embodiments, one-handed operation and simultaneous unlocking of the two locking mechanisms can also be achieved through other known and feasible structures, and the unlocking mechanisms can also be arranged on other suitable components or positions.

Because the front ends of the first connecting rod 3 and the second connecting rod 4 are fixedly connected to the front foot 1, the rear ends are pivotally connected to the rear foot 5, and the connection points of the front foot 1 and the first connecting rod 3 and the second connecting rod 4 are located at different positions up and down. position, this connection method makes the front end of the rear foot 5 and the front foot 1 separated by the first connecting rod 3 and the second connecting rod 4, so after the frame 100 is folded, the front foot 1 and the rear foot 5 will not be at the same left and right On the plane, in this way, the front wheel 6 and the rear wheel 7 respectively connected to the lower sides of the front foot 1 and the rear foot 5 will not be parallel to the left and right, but will be supported on the ground in a front-to-back dislocation shape, so that the folded vehicle frame 100 can stand on the ground for easy lifting.

In this embodiment, the fixed seat 8, the first pivotal seat 9, and the second pivotal seat 10 of the brackets 101 on the left and right sides are pivoted together through a pivot shaft 11 extending left and right; the vehicle frame 100 also includes a The linkage rod 103, the linkage rod 103 is sleeved on the pivot 11, and the left and right sides of the linkage rod 103 pass through the accommodating holes of the second pivot seats 10 of the left and right brackets 101 respectively 102 and then inserted into the perforation of the drive seat 60; the linkage rod 103 is fixedly connected with the second pivot seat 10, and the left and right ends of the linkage rod 103 are respectively provided with a plurality of slots 104, correspondingly, the A plurality of protrusions 601 are disposed on the inner wall of the hole in the middle of the driving base 60 , and each protrusion 601 is located in a corresponding slot 104 . Therefore, when the U-shaped operating tube 20 is rotated upward to drive the second pivot seat 10, the linkage rod 103 will rotate together with it, thereby also driving the drive seat 60 to rotate together to drive the drive pin 70 moves.

In other embodiments, the linkage rod 103 may not be provided, and the driving seat 60 is integrally formed with the second pivot seat 10 .

In other embodiments, the fixed seat 8 , the first pivotal seat 9 and the second pivotal seat 10 of the left and right sides of the bracket are respectively pivotally connected by two pivots 11 .

In this embodiment, a groove 94 is provided on the side of the first pivot seat 9 facing the second pivot seat 10, and a spring seat 95 is provided on the side wall of the groove 94; correspondingly, the The side of the drive seat 60 facing the first pivot seat 9 is accommodated in the groove 94, and the outer wall of the drive seat 60 on this side is provided with a convex rib 602, and the spring seat 95 and the convex rib 602 are provided There is a third spring 96 , that is, one end of the third spring 96 abuts against the spring seat 95 , and the other end abuts against the convex rib 602 . During the folding process of the frame, the spring seat 95 and the convex rib 602 will simultaneously compress the third spring 96, so that when the frame 100 is unfolded, the restoring force of the third spring 96 will simultaneously push the The spring seat 95 and the convex rib 602 push the rear foot 5 and the U-shaped operating tube 20, so as to speed up the automatic deployment of the vehicle frame.

The vehicle frame 100 also includes a front foot link 12 fixedly connected to the front legs 1 of the left and right brackets at the left and right ends, and a rear foot link 51 fixedly connected to the rear legs 5 of the left and right brackets at the left and right ends respectively. The front foot link 12 and the rear foot link 51 can make the vehicle frame 100 more stable.

In this embodiment, two front wheels 6 are provided, which are respectively connected to the front and lower sides of the front legs 1 of the brackets on both sides. In other embodiments, only one front wheel 6 may be provided, and the front wheels 6 is connected to the middle part of the front foot link 12. The front foot connecting rod 12 can be set as a straight rod, and can also be set as an arc rod. When it is an arc rod, that is to say, the front foot connecting rod 12 and the front feet 1 of the brackets on both sides form a U-shaped piece together. , the front wheel 6 is connected to the front lower end of the U-shaped piece; in front of the front foot. In the same way, the rear wheel 7 and the rear foot 5 can also be connected in the same or similar manners as the front wheel 6 and the front foot 1, and no matter what kind of rear wheel connection it is, it can be regarded that the rear wheel 7 is connected to the Rear underside of rear foot 5.

The vehicle frame 100 also includes a driver connecting rod 23 whose left and right ends are respectively fixedly connected to the upper 21 ends of the driver of the left and right brackets 1 .

As shown in Figures 9 to 12, in another embodiment, tooth grooves 81', 91' are provided on opposite sides of the fixed base 8' and the first pivot base 9', and each locking mechanism includes a gear 30' and The first spring 40', one end of the first spring 40' abuts against the bottom wall of the tooth groove 91' of the first pivot seat, and the other end abuts against the gear 30', under the action of the first spring 40', The gear 30' meshes with the tooth slots 81', 91' of the fixed seat and the first pivotal seat at the same time, so that the rear foot 5' cannot rotate relative to the front foot 1', and the frame 100' is locked in the unfolded state.

In this embodiment, the release mechanism includes left and right buttons 105' that are arranged symmetrically, and the two buttons 105' are respectively connected to the fixing seats 8' of the left and right brackets so that they can move left and right; each of the buttons 105' includes a body 1051', a push rod 1052' extending from the body 1051' to the direction of the gear 30', the push rod 1052' abuts against the side of the gear 30' away from the first spring 40'.

The button 105' also includes an elastic barb 1053' extending from the body 1051' to the direction of the gear 30'. Correspondingly, the bottom wall of the alveolar of the fixing seat 8' is provided with a clamping hole 810', and the elastic barb 1053' passes through the The clamping hole 810' is then buckled on the bottom wall of the tooth groove 81' of the fixing seat.

When unlocking the vehicle frame 100', press the two buttons 105' simultaneously with both hands to unlock the two locking mechanisms respectively. That is to say, in this embodiment, there are two groups of unlocking mechanisms, and each group is used to unlock one of the locking mechanisms, so that two hands are required to operate one unlocking mechanism to unlock the two locking mechanisms.

In order to make the frame 100' more stable, the frame 100' also includes a connecting rod 106', and the first pivot seat 9' of the two side brackets 100' is respectively provided with a connecting rod 106' on the side away from the fixing seat 8'. The left and right ends are inserted into the receiving holes 97', and the connecting rod 106' is fixedly connected with the fixing seat 8'.

In other embodiments, it is also possible to simultaneously release the two locking mechanisms with one hand through other known and feasible methods, or to realize the two locking mechanisms with both hands separately through other known and feasible methods.

In the above orientation description, the front is where the front wheel 6 is located, the rear is where the rear wheel 7 is, the upper is where the rider 2 is, the lower is where the front and rear wheels 6, 7 are, and the two side brackets are The location of 101 is left and right.

Claims (15)

1. it is a kind of fold after the perambulator that can stand comprising the vehicle frame with unfolded state and collapse state, it is characterised in that: The vehicle frame includes front foot, first connecting rod, second connecting rod, the rear foot, and the first connecting rod front end is fixedly connected on the front foot, institute It states second connecting rod front end and is also fixedly connected on the front foot, and the tie point of the front foot and first connecting rod is located at front foot and second The upside of the tie point of connecting rod, the first connecting rod are fixedly connected with second connecting rod rear end, the rear foot front end and described first Connecting rod and second connecting rod rear end are pivotally connected.

2. it is according to claim 1 fold after the perambulator that can stand, it is characterised in that: the vehicle frame further includes being connected to The front-wheel of the front foot front lower place, the rear-wheel for being connected to the rear foot back lower place.

3. it is according to claim 2 fold after the perambulator that can stand, it is characterised in that: the vehicle frame further includes driver, The driver lower end, which opposite can slide up and down to, to be connected to the front foot or can be connected to the front foot with the relative rotation.

4. it is according to claim 3 fold after the perambulator that can stand, it is characterised in that: the driver include driver it is upper with Under driver, the lower end under the driver, which opposite can slide up and down to, is connected to the front foot upper end, and is arranged between the two useful In the opposite first locking mechanism slided up and down of both limitations；Lower end on the driver is articulated in the upper end under the driver, And it is provided with the second locking mechanism for limiting the two relative rotation between the two.

5. it is according to claim 1 or 2 or 3 or 4 fold after the perambulator that can stand, it is characterised in that: the vehicle frame packet Left and right sides bracket is included, each side stand includes the front foot, first connecting rod, second connecting rod, the rear foot, each side Bracket further includes fixing seat, the first pin joint seat, and the rear end of the first connecting rod and second connecting rod is fixedly connected in the fixation Seat, the front end of the rear foot are fixedly connected on first pin joint seat, the fixing seat and the first pin joint seat or so pivot joint.

6. it is according to claim 5 fold after the perambulator that can stand, it is characterised in that: it is described fold after the baby that can stand Youngster's vehicle further includes being set on the vehicle frame to be used for so that the receipts that the vehicle frame is converted between unfolded state and collapse state Mechanism is closed, the retracting mechanism includes that left and right two is respectively arranged between the left and right sides rack fixing seat and the first pin joint seat For both limit the locking mechanism of relative rotation, the retracting mechanism further includes being used for release the lock or so two locking mechanisms Locking releasing mechanism.

7. it is according to claim 6 fold after the perambulator that can stand, it is characterised in that: the fixing seat and the first pivot joint The opposite side of seat is provided with tooth socket, and each locking mechanism includes gear and the first spring, first spring one end It is resisted against the bottom wall of the fixing seat tooth socket, the other end is resisted against the gear, under the action of first spring, the tooth Wheel is engaged with the fixing seat with the tooth socket of the first pin joint seat simultaneously.

8. it is according to claim 7 fold after the perambulator that can stand, it is characterised in that: each side stand further includes Second pin joint seat, the fixing seat, the first pin joint seat, second pin joint seat or so pivot joint；The vehicle frame further includes U-shaped operation The left and right ends upside of pipe, the U-shaped operation pipe is respectively fixedly connected in the second pin joint seat of the left and right sides bracket；It is described Locking releasing mechanism includes that left and right two is respectively used to the movement device for driving the gear of two locking mechanism of left and right mobile, two points of left and right The limiting mechanism of two movement device of the left and right movement is not limited, for the operation machine of two limiting mechanisms of left and right described in release the lock simultaneously Structure, the operating mechanism are set in the transverse pipe of the U-shaped operation pipe.

9. it is according to claim 8 fold after the perambulator that can stand, it is characterised in that: each movement device wraps A drive seat and two symmetrically set drive pin are included, the drive seat is set to second pin joint seat and is pivotally connected towards first The side of seat can simultaneously rotate together with second pin joint seat, and the side of the drive seat towards first pin joint seat is symmetrical Two waveform drive surfaces are provided with, one end of two drive pins is born against in the two waveforms drive surface, the other end It is resisted against on the gear after first pin joint seat.

10. it is according to claim 9 fold after the perambulator that can stand, it is characterised in that: the first pin joint seat direction The side setting of second pin joint seat is fluted, and the side wall of the groove is provided with spring base；It is corresponding, the drive seat direction The side of first pin joint seat is placed in the groove, and fin is provided on the outer wall of the drive seat side, the spring base with Third spring is provided between fin.

11. it is according to claim 9 or 10 fold after the perambulator that can stand, it is characterised in that: second pin joint seat Side far from first pin joint seat is provided with the accommodating hole that left and right extends, and it is perforative to be provided with left and right among the drive seat Perforation；First pin joint seat is extended towards the side of the second pin joint seat has locking to manage, and the locking pipe is across the drive It is protruded into the accommodating hole of second pin joint seat after the perforation of dynamic seat, and the part that the locking pipe is located in accommodating hole is provided with Lock hole, the part that second pin joint seat is connect with the rear foot are also equipped with the via hole that the accommodating hole communicates；Each limit Mechanism processed includes a steel wire, the locking pin for being fixedly connected on the steel wire upper end, the second spring being sheathed on the steel wire； The operating mechanism is connected to described in the steel wire lower end；A U is fixedly connected in upper end at left and right sides of the U-shaped operation pipe Shape spring base, U-shaped spring base lower end are provided with the hole passed through for the steel wire, and the second spring upper end is resisted against described Locking pin lower end, lower end are resisted against the bottom of the U-shaped spring base；Under the action of the second spring, on the locking pin End is inserted into the lock hole of the locking pipe after the via hole of second pin joint seat.

12. it is according to claim 11 fold after the perambulator that can stand, it is characterised in that: the left and right sides bracket Fixing seat, the first pin joint seat are pivotally connected together with the pivot that the second pin joint seat is extended by one or so；The vehicle frame further includes one Interlocking lever, the interlocking lever are set on the pivot, and the left and right sides of the interlocking lever is respectively through left and right sides bracket It is inserted into after the accommodating hole of second pin joint seat in the perforation of drive seat；The interlocking lever is fixedly connected with the second pin joint seat, and described The left and right ends of interlocking lever are respectively arranged with multiple short slots, corresponding, are provided on the inner wall perforated among the drive seat more A convex block, each convex block are located in corresponding short slot.

13. it is according to claim 6 fold after the perambulator that can stand, it is characterised in that: the fixing seat and the first pivot The opposite side of joint chair is provided with tooth socket, and each locking mechanism includes gear and the first spring, first spring one End is resisted against the bottom wall of the first pin joint seat tooth socket, and the other end is resisted against the gear, under the action of first spring, The gear is engaged with the fixing seat with the tooth socket of the first pin joint seat simultaneously.

14. it is according to claim 13 fold after the perambulator that can stand, it is characterised in that: the locking releasing mechanism includes a left side Right two symmetrically arranged buttons, two buttons can movably be connected to the fixing seat of left and right sides bracket respectively；It is each The mandril that the button includes ontology, is extended from ontology toward gear direction, the mandril are resisted against the gear away from described The side of first spring.

15. the baby that can be stood after being folded described according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8 or 9 or 10 or 12 or 13 Vehicle, it is characterised in that: the first connecting rod front end is fixedly connected on the upside of the front foot, and the second connecting rod front end is fixedly connected On the downside of the front foot.