CN116101355A - Chair, frame component and infant carrier with armrest supporting rods in linkage folding mode - Google Patents

Abstract

The invention provides a chair with a foldable armrest supporting rod in a linkage way, a frame assembly and an infant carrier. The chair with the foldable armrest support rods, the frame component and the armrest support rods of the infant carrier can be folded along with the whole chair, and the folded chair has smaller whole volume, thereby reducing the transportation cost and being convenient for storage and placement.

Description

The seat, the frame assembly and the baby carrier that are folded in conjunction with the armrest support rod

technical field

The present invention relates to the field of baby carriers, in particular to a seat, a vehicle frame assembly and a baby carrier whose armrest support rods are folded in unison.

Background technique

Currently on the market for baby carriers, such as strollers, etc., the armrest support rods are generally arranged on the seat post, and are set up at an incline. In this way, when the baby stroller is folded, the armrest support rods cannot be folded and still remain The state of being inclined and protruding outward will affect the overall volume of the baby stroller after being folded. On the one hand, it increases the transportation cost, and on the other hand, it is not conducive to the user's storage and placement.

Contents of the invention

The present invention provides a seat, a vehicle frame assembly and an infant carrier whose armrest support rods are folded in unison. The overall seat is folded, and the overall volume is smaller after folding, which reduces transportation costs and is convenient for storage and placement.

One aspect of the present application proposes a chair with armrest support rods linked and folded, including armrest support rods, backrest support rods, seat support rods, armrest fixing seats, backrest fixing seats, and seat fixing seats. The support rod is connected with the armrest fixing seat, the backrest support rod is connected with the backrest fixing seat, the seat support rod is connected with the seat fixing seat, the armrest fixing seat, the backrest The fixed seat and the seat fixed seat are coaxially pivoted, and the armrest fixed seat and the seat fixed seat are folded together with the backrest fixed seat.

The armrest fixing seat, the backrest fixing seat and the seat fixing seat are coaxially connected, and the armrest fixing seat and the seat fixing seat are folded together with the backrest fixing seat. Both the armrest support rod and the seat support rod rotate towards the backrest support rod, and finally the armrest support rod, seat support rod and backrest support rod are in a nearly parallel state, and the armrest support rod is not tilted or outward sticking out situation. In this way, the volume of the linked folding frame can be greatly reduced. On the one hand, it reduces transportation costs. On the other hand, it is also convenient for users to store and place, saving occupied space and improving user satisfaction.

In one of the embodiments, the seat whose armrest support rods are retracted in a linked manner further includes a first locking mechanism, the backrest fixing seat rotates to a first position relative to the armrest fixing seat, and the first locking mechanism The mechanism locks the armrest fixing seat and the seat fixing seat; the backrest fixing seat rotates to the second position relative to the armrest fixing seat, and the first locking mechanism releases the lock between the armrest fixing seat and the armrest fixing seat. Locking of the seat anchors.

In one of the embodiments, the first locking mechanism includes a first locking part arranged on the armrest fixing seat and a second locking part arranged on the seat fixing seat, when the back rests on the fixing seat When the armrest fixing seat is rotated to the first position, the first locking part locks and cooperates with the second locking part; when the backrest fixing seat is rotated to the second position relative to the armrest fixing seat, The first locking part is released from the second locking part.

In one of the embodiments, the first locking part is an engaging block arranged on the armrest fixing seat, and the second locking part is arranged on the seat fixing seat and is engaged with the engaging block Compatible snap slots.

In one of the embodiments, the backrest fixing seat has a first piercing opening, the side of the seat fixing seat facing the backrest fixing seat forms a locking boss, and the engaging groove is arranged on the backrest fixing seat. On the locking boss, the engaging block is arranged on the side of the armrest fixing seat facing the backrest fixing seat, and the locking boss passes through the first opening so that the engaging block and The engaging groove is locked and fitted.

In one of the embodiments, the backrest fixing seat has a guide rail groove, and the distance between the guide rail groove and the notch of the engaging groove is different at different positions, and the engaging block has an engaging part and a guide rail groove. column, the engaging part is inserted in the engaging groove, the guide column is inserted in the guide rail groove and moves along the guide rail groove, and the backrest fixing seat rotates relative to the armrest fixing seat to the second position, the engaging block moves along the guide rail groove, so that the engaging part is separated from the engaging groove; the armrest fixing seat rotates relative to the backrest fixing seat to the first In a first position, the engaging block moves along the rail groove, so that the engaging portion is inserted into the engaging groove.

In one of the embodiments, the first locking mechanism further includes a first elastic piece, and the two ends of the first elastic piece respectively abut against the armrest fixing seat and the engaging block, and the first elastic piece The component makes the engaging block move constantly towards the engaging groove.

In one of the embodiments, the armrest fixing seat is provided with a radially arranged installation groove, the engaging block is arranged in the installation groove, and the engaging part of the engaging block is connected from the installation groove. The notch protrudes to cooperate with the engaging groove, and the two ends of the first elastic member respectively abut against the engaging block and the bottom of the mounting groove.

In one of the embodiments, a mounting platform is provided on the engaging block, and the mounting platform includes an abutting portion and a raised portion connected to each other, and the first elastic member is partially sleeved on the raised portion Outside, and the end of the first elastic member away from the bottom of the installation groove abuts against the abutment portion.

In one of the embodiments, the seat whose armrest support rods are retracted in a linked manner further includes a second locking mechanism, and the second locking mechanism locks the armrest fixing seat and the seat fixing seat; Rely on the fixed seat to rotate to the second position relative to the armrest fixed seat, and operate the second locking mechanism, so that the armrest fixed seat and the seat fixed seat rotate relatively.

In one of the embodiments, the second locking mechanism includes a third locking part arranged on the armrest fixing seat and a fourth locking part arranged on the seat fixing seat, and the third locking part is Operate to lock or unlock in cooperation with the fourth locking portion, or, the fourth locking portion is operated to lock or unlock in cooperation with the third locking portion.

In one of the embodiments, the third locking part is a locking pin movably arranged on the armrest fixing seat, and the fourth locking part is arranged on the seat fixing seat and cooperates with the locking pin the locking slot.

In one of the embodiments, the backrest fixing seat has a first piercing opening, the side of the seat fixing seat facing the backrest fixing seat forms a locking boss, and the locking groove is arranged on the locking On the boss, the locking pin is arranged on the side of the armrest fixing seat facing the back-rest fixing seat, and the locking boss passes through the first opening so that the locking pin and the locking groove Lock mate.

In one of the embodiments, the second locking mechanism further includes a second elastic member, and the two ends of the second elastic member respectively abut against the armrest fixing seat and the locking pin, and the second elastic member Make described locking pin move constantly to the direction of described locking groove.

In one of the embodiments, the armrest fixing seat is provided with a radially penetrating installation channel, one end of the locking pin passes through the installation channel to cooperate with the locking groove, and the inner wall of the installation channel is provided with A limiting post, the locking pin is provided with a limiting hole arranged in the radial direction, the limiting post is inserted in the limiting hole, and the two ends of the second elastic member are respectively connected to the limiting hole The position post and the hole wall on the side of the limiting hole away from the locking boss abut against each other.

In one of the embodiments, the second locking mechanism further includes an operating member connected to the locking pin, and the operating member is operated to drive the locking pin to move.

In one of the embodiments, the operating member is a ribbon.

In one of the embodiments, the first locking mechanism includes an engaging block arranged on the armrest fixing seat and an engaging groove arranged on the seat fixing seat and matching with the engaging block, The locking groove and the engaging groove are arranged circumferentially along the locking boss.

In one of the embodiments, the locking pin and the engaging block are arranged along the same radial direction of the locking boss, and are located on both sides of the geometric center of the locking boss.

In one of the embodiments, the seat whose armrest support rods are linked and folded further includes a connection fixing seat, and the connection fixing seat is provided with an installation shaft, the seat fixing seat, the backrest fixing seat and the The armrest fixing seat is sleeved on the installation shaft to be coaxially pivoted.

In one of the embodiments, the seat whose armrest support rods are retracted in a linked manner further includes a third locking mechanism, and the third locking mechanism is in a locked state, so that the backrest fixing seat and the armrest fixing seat Relatively locked; the third locking mechanism is in an unlocked state, so that the backrest fixing seat and the armrest fixing seat rotate relatively.

In one of the embodiments, the armrest support rod is detachably connected to the armrest fixing seat or is fixedly connected by pins; and/or the backrest support rod is detachably connected to the backrest fixing seat or is fixed by pins and/or the seat support bar is detachably connected with the seat fixing seat or fixedly connected by a pin.

Another aspect of the present application proposes a vehicle frame assembly, including a vehicle frame and a seat arranged on the vehicle frame, and the seat is a seat in which the above-mentioned armrest support rods are folded in conjunction with each other.

In one of the embodiments, the seat is detachably connected to the frame.

In one of the embodiments, the vehicle frame also includes a fourth locking mechanism, the vehicle frame includes a rider and a front foot support bar, the fourth locking mechanism is in a locked state, and the rider and the front foot support bar are relatively locked ; The fourth locking mechanism is in an unlocked state, and the rider and the front foot support bar are relatively rotated.

In one of the embodiments, the seat further includes a linkage assembly, the fourth locking mechanism includes a frame release member, and the armrest fixing base rotates to drive the linkage assembly to act on the frame release. The lock piece makes the fourth locking mechanism switch from a locked state to an unlocked state.

In one of the embodiments, the frame further includes a frame fixing seat, the frame release member is arranged on the frame fixing seat, and the frame fixing seat is fixed on the connection fixing seat facing away from the frame. On one side of the seat fixing seat, the linkage assembly includes a pusher and a driving member sleeved on the installation shaft, and the rotation of the armrest fixing seat drives the driving member to move in the axial direction, so that The driving member pushes against the pusher, so that the pusher pushes against the frame release member, so that the fourth locking mechanism is converted from a locked state to an unlocked state.

In one of the embodiments, the driving member includes a driving body and a third elastic member, the side of the driving body facing the armrest fixing seat is provided with a first resisting inclined surface, and the armrest fixing seat is provided with the second elastic member. A second resisting inclined surface matched with a resisting inclined surface, the two ends of the third elastic member are respectively opposed to the side of the driving body facing away from the armrest fixing seat and the pushing member, and the pushing member A side facing away from the third elastic member has a push projection, and the push projection passes through the connecting seat and abuts against the vehicle frame release lock.

In yet another aspect of the present application, a baby carrier is provided, including the above-mentioned frame assembly.

Description of drawings

FIG. 1 is a schematic structural view of a vehicle frame assembly according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the seat structure in the vehicle frame assembly shown in Fig. 1, at this moment, the linked folding vehicle frame is in the unfolded state;

Fig. 3 is a side view of Fig. 2;

Fig. 4 is a structural schematic view of the seat shown in Fig. 3 in the process of being folded;

Fig. 5 is a structural schematic diagram of the seat shown in Fig. 3 in a folded state;

Fig. 6 is A-A sectional view of Fig. 2;

Fig. 7 is an enlarged view at B of Fig. 6;

Fig. 8 is a structural schematic diagram of the seat shown in Fig. 6 in the process of being folded;

Fig. 9 is an enlarged view at C of Fig. 8;

Fig. 10 is a structural schematic diagram of the seat shown in Fig. 6 in a folded state;

Figure 11 is an enlarged view at D of Figure 10;

Figure 12 is an exploded view of Figure 2;

Fig. 13 is an enlarged view at E of Fig. 12;

Figure 14 is an exploded view of another perspective of Figure 2;

Figure 15 is an enlarged view at F of Figure 14;

Fig. 16 is an exploded view of another perspective of Fig. 2;

Figure 17 is an enlarged view of G in Figure 16;

Fig. 18 is a schematic structural view of the engaging block in the seat shown in Fig. 2;

Fig. 19 is a structural schematic view of the engaging block shown in Fig. 18 at another viewing angle;

Fig. 20 is a structural schematic diagram of the backrest fixing seat in the seat shown in Fig. 2;

Fig. 21 is a schematic structural view of the armrest fixing seat in the seat shown in Fig. 2;

Fig. 22 is a structural schematic view of the armrest fixing seat shown in Fig. 21 at another viewing angle;

FIG. 23 is a schematic structural view of the seat fixing seat 400 in the seat shown in FIG. 2 ;

FIG. 24 is a schematic structural view of the frame in the frame assembly shown in FIG. 1 .

Explanation of reference signs

10. Seat, 100, seat support assembly, 110, armrest support rod, 120, backrest support rod, 130, seat support rod, 170, armrest cross bar, 200, armrest fixing seat, 210, first main body , 211, installation channel, 212, limit column, 213, installation groove, 214, second resisting inclined surface, 220, first connecting part, 300, backrest fixing seat, 310, second main body part, 311, the first One piercing opening, 312, guide rail groove, 320, second connecting part, 400, seat post fixing seat, 410, third main body part, 411, locking boss, 412, second piercing opening, 420, third connection Part, 500, connecting and fixing seat, 510, the fourth main body part, 520, installation shaft, 620, the first locking mechanism, 621, engaging block, 621a, engaging part, 621b, guide post, 621c, mounting platform, 621d, abutting part, 621e, protruding part, 622, engaging groove, 623, first elastic member, 610, second locking mechanism, 611, locking pin, 611a, limiting hole, 612, locking groove, 613, The second elastic member, 614, operating part, 615, perforation hole, 640, the fourth locking mechanism, 641, leaning against the back release lock member, 20, vehicle frame, 140, rider, 150, front foot support bar, 160, rear foot support Rod, 630, third locking mechanism, 631, vehicle frame fixing seat, 632, vehicle frame release lock member, 700, linkage assembly, 710, driving member, 711, driving body, 711a, first resisting slope, 712 , the third elastic member, 720, push piece, 721, push projection.

Detailed ways

As shown in FIG. 1 , an embodiment of the present application proposes a baby carrier, such as a baby stroller, etc. The baby carrier includes a frame assembly, and the frame assembly includes a seat 10 and a frame 20. The armrest support bar 110 and the seat support bar 130 of the baby carrier, the frame assembly and the seat 10 can be folded together with the backrest support bar 120. After being folded, the overall volume is small, thereby reducing transportation costs and facilitating storage and storage. place.

Specifically, as shown in Fig. 1, Fig. 2, Fig. 7, Fig. 13 and Fig. 24, the seat 10 is a seat 10 in which the armrest support rods are folded in unison, including a seat support assembly 100, an armrest fixing seat 200, a backrest Rely on the fixed seat 300, the seat fixed seat 400, connect the fixed seat 500, the first locking mechanism 620, the second locking mechanism 610, the third locking mechanism 640 and the linkage assembly 700. Vehicle frame 20 comprises rider's 140, front foot support bar 150, rear foot support bar 160, the 4th locking mechanism 630 and vehicle frame holder 631.

Specifically, as shown in FIG. 1 , the seat support assembly 100 includes an armrest support bar 110, a backrest support bar 120, a seat support bar 130 and an armrest cross bar 170. Armrest cross bar 170 is horizontally arranged in the front of seat assembly 100, grasps for the baby, and the two ends of armrest cross bar 170 are all connected with armrest support bar 110. The backrest support bar 120 and the backrest main body (not shown in the accompanying drawings) that are coated on the backrest support bar 120 form a backrest for supporting the baby's back, and the seat support bar 130 and the seat support bar 130 are coated on the seat support bar. The seat body (not shown in the accompanying drawings) outside 130 forms a seat for supporting the baby's buttocks.

As shown in Figures 11 to 14, the armrest holder 200, the backrest holder 300, the seat holder 400 and the connection holder 500 are coaxially pivoted.

The armrest fixing seat 200 includes a first main body 210 and a first connecting part 220 connected to each other, the first main body 210 is roughly disc-shaped, and the first connecting part 220 is roughly sleeve-shaped, and the first connecting part 220 can be used for It is connected and matched with the armrest support rod 110.

The backrest fixing seat 300 includes a second main body part 310 and a second connecting part 320 connected to each other. The second main body part 310 is roughly in the shape of a ring, that is, the middle part of the second main body part 310 forms a circular first piercing opening 311. , the second connecting portion 320 is roughly in the shape of a sleeve, and the second connecting portion 320 is used to connect and cooperate with the backrest support member 120.

The seat fixing seat 400 includes a third main body 410 and a third connecting part 420 connected to each other, the third main body 410 is roughly in the shape of a circular platform, and the third main body 410 faces the side of the fixing seat 300 to form a locking boss 411, the middle part of the locking boss 411 forms a substantially circular second piercing opening 412, and the second piercing opening 412 is arranged opposite to the first piercing opening 311. The third connecting portion 420 is substantially in the shape of a sleeve, and is used to be socketed and fixed with the seat support rod 130.

The connecting and fixing base 500 is used to fix the seat 10 on the vehicle frame 20. The connecting and fixing base 500 includes a fourth main body portion 510 roughly in the shape of a disc and an installation shaft 520 fixed in the middle of the fourth main body portion 510. The seat fixing base 400, the backrest fixing base 300 and the armrest fixing base 200 are sequentially sleeved on the installation shaft 520 to realize coaxial pivoting. The first connecting part 220, the second connecting part 320 and the third connecting part 420 can be sleeved and fixed on the armrest support rod 110, the backrest support rod 120 and the seat support rod 130 respectively, or can be connected with the armrest support rod in other ways 110, the backrest support bar 120 is connected with the seat support bar 130, as being fixedly connected by pins, it can also be integrally formed with the armrest support bar 110, the backrest support bar 120 and the seat support bar 130 respectively.

As shown in Figures 6 to 11, when the backrest fixing seat 300 rotates to the first position relative to the armrest fixing seat 200 (as shown in Figures 6 and 7), the first locking mechanism 620 connects the armrest fixing seat 200 to the seat. The chair holder 400 is locked. When the backrest fixing seat 300 rotates to the second position relative to the armrest fixing seat 200 (as shown in Figures 8 and 9), the first locking mechanism 620 releases the locking of the armrest fixing seat 200 and the seat fixing seat 400, the first The location is different from the second location.

In this embodiment, the second position can be that the backrest fixing seat 300 rotates relative to the armrest fixing seat 200 to a position where the backrest support rod 120 and the armrest support rod 110 are approximately parallel or coincident, as shown in Figure 8, while the first position is are other positions except the second position, as shown in FIG. 6 . In this way, when the seat 10 needs to be folded, the backrest fixing seat 300 can be rotated relative to the armrest fixing seat 200 from the first position to the second position, that is, the backrest support rod 120 and the armrest support rod 110 are roughly parallel or overlap At this time, the first locking mechanism 620 releases the locking of the armrest fixing base 200 and the seat fixing base 400, and can be further operated so that the armrest support rod 110, the backrest support rod 120 and the seat support rod 130 are folded to three Or roughly parallel state, to save the storage space after the seat 10 is folded.

Specifically, as shown in FIGS. 6 to 11, the first locking mechanism 620 includes a first locking portion arranged on the armrest fixing seat 200 and a second locking portion arranged on the seat fixing seat 400. 300 When the relative armrest fixing seat 200 is rotated to the first position, the first locking part locks and cooperates with the second locking part; The locking portion is released from engagement. In this embodiment, the first locking part is an engaging block 621 arranged on the armrest fixing seat 200, and the second locking part is an engaging groove 622 arranged on the seat fixing seat 400 and capable of cooperating with the engaging block 621 . Of course, the positions of the engaging block 621 and the engaging groove 622 can also be interchanged, or the first locking mechanism 620 can also adopt other forms, such as engaging hooks and engaging holes that cooperate with each other, which is not limited.

Optionally, as shown in FIG. 13 , FIG. 15 and FIG. 23 , the engaging groove 622 is provided on the locking boss 411 . The engaging block 621 is arranged on the side of the armrest fixing seat 200 facing the back against the fixing seat 300, and the first main body part 210 of the armrest fixing seat 200 is provided with a radially arranged installation groove 213 (as shown in Figure 11 and Figure 22 ) , the engaging block 621 is arranged in the mounting groove 213, and the engaging block 621 protrudes from the notch of the mounting groove 213 to cooperate with the engaging groove 622. The locking boss 411 passes through the opening 311 so that the engaging block 621 can be locked and engaged with the engaging groove 622.

Further, as shown in Fig. 9, Fig. 13, Fig. 15 and Fig. 20, the second main body portion 310 of the fixed base 300 has a guide rail groove 312, and the guide rail groove 312 is in different positions with the notch of the engaging groove 622 The distance is different, that is, the extension path of the guide rail groove 312 is gradual. Please also refer to Figure 18, the engaging block 621 has an engaging portion 621a and a guide post 621b, the engaging portion 621a can be inserted into the engaging groove 622, and the guide post 621b is inserted in the guide rail groove 312 and along the guide rail groove 312 move. When the backrest fixing seat 300 is rotated to the second position relative to the armrest fixing seat 200, the guide rail groove 312 is the farthest from the center of circle of the second main body part 310, that is, the distance between the guide rail groove 312 and the locking boss 411 is the farthest, and the engaging block 621 Move along the rail groove 312 until the engaging portion 621a disengages from the engaging groove 622. When the backrest fixing seat 300 rotates to the first position relative to the armrest fixing seat 200, the engaging block 621 moves along the rail groove 312 until the engaging portion 621a can be inserted into the engaging groove 622.

In this way, on the one hand, when the backrest fixing seat 300 is rotated to the first position relative to the armrest fixing seat 200, the first locking mechanism 620 will lock the armrest fixing seat 200 and the seat fixing seat 400, and when the backrest fixing seat 300 is fixed relative to the armrest When the seat 200 rotates to the second position, the first locking mechanism 620 releases the locking of the armrest fixing seat 200 and the seat fixing seat 400; The cooperation of the guide column 621b and the guide rail groove 312 makes the armrest fixing seat 200 and the backrest fixing seat 300 form a linkage when pivoting, so that the armrest support rod 110 will be unfolded together with the backrest support rod 120 and even the entire vehicle frame assembly , and automatically return to the initial position, so as to realize the automatic return of the armrest support rod 110 during the unfolding process.

Further, as shown in Fig. 7, Fig. 9 and Fig. 11, the first locking mechanism 620 also includes a first elastic member 623, and the two ends of the first elastic member 623 respectively abut against the armrest fixing seat 200 and the engaging block 621, specifically It may be that the two ends of the first elastic member 623 are respectively against the bottom of the engaging block 621 and the installation groove 213, and the first elastic member 623 makes the engaging block 621 move in the direction of the engaging groove 622 constantly. In this way, after the state conversion of the seat is completed, such as from the folded state to the unfolded state, the backrest fixed seat 300 is rotated to the first position relative to the armrest fixed seat 200, and the engaging block 621 can be positioned on the side of the first elastic member 623. Under the action, it automatically snaps into the engaging groove 622 to realize the locking of the armrest holder 200 and the seat holder 400, thereby improving safety performance.

Specifically, as shown in Fig. 7, Fig. 18 and Fig. 19, the installation method of the first elastic member 623 can be as follows: an installation platform 621c is provided on the engaging block 621, and the installation platform 621c includes an abutting part 621d and a convex part connected to each other In the raised portion 621e, the first elastic member 623 is partially sleeved outside the raised portion 621e, and the end of the first elastic member 623 away from the groove bottom of the installation groove 213 abuts against the abutting portion 621d. Of course, the first elastic member 623 can also be installed in other ways. The first elastic member 623 may be a spring, an elastic rubber column, etc., which is not limited thereto.

Further, as shown in Figures 3 to 9, the second locking mechanism 610 can realize the relative locking of the armrest fixing base 200 and the seat fixing base 400, and when the backrest fixing base 300 rotates relative to the armrest fixing base 200 When reaching the second position, the second locking mechanism 610 can be operated, so that the armrest fixing base 200 and the seat fixing base 400 are relatively rotated. In this way, when the backrest fixing seat 300 is rotated to the second position relative to the armrest fixing seat 200, the second locking mechanism 610 is operable, so that the armrest fixing seat 200 and the seat fixing seat 400 are unlocked, and the armrest The fixed seat 200 rotates relative to the seat fixed seat 400, and finally makes the armrest support bar 110, the seat support bar 130 and the backrest support bar 120 in a nearly parallel state, and the armrest support bar 110 does not tilt or protrude outwards , so that the overall volume is smaller after folding, which reduces transportation costs and facilitates storage and placement. Due to the ingenious cooperation of the second locking mechanism 610 and the first locking mechanism 620, a double locking insurance effect is provided for the baby carrier. To the second position, the first locking mechanism 620 is in the unlocked state, and the unlocking of the interlocking folding frame cannot be realized. Only the second locking mechanism 610 and the first locking mechanism 620 are released simultaneously, and the interlocking folding frame is released. Only the armrest support bar 110 of the frame, the back support bar 120 and the seat support bar 130 etc. can be relatively rotated. This can prevent the seat 10 from being accidentally folded when the second locking mechanism 610 is accidentally touched or when the back support rod 120 is turned to be roughly parallel or coincident with the armrest support rod 110, which greatly improves the safety performance of the baby carrier.

Specifically, as shown in Fig. 7 and Fig. 9, the second locking mechanism 610 includes a third locking part arranged on the armrest fixing seat 200 and a fourth locking part arranged on the seat fixing seat 400, the third locking part can Operated to lock or unlock in cooperation with the fourth locking portion, or, the fourth locking portion can be operated to lock or unlock in cooperation with the third locking portion.

Optionally, as shown in Figures 7 and 9, the third locking part is a locking pin 611 that is movably arranged on the armrest fixing seat 200, and the fourth locking part is arranged on the seat fixing seat 400 and can be connected to the locking pin 611. Cooperating locking groove 612. In this way, the locking of the armrest fixing seat 200 and the seat fixing seat 400 can be realized through the cooperation of the locking pin 611 and the locking groove 612. By operating the locking pin 611, the locking pin 611 is disengaged from the locking groove 612, so that the second locking mechanism can be locked. 610 is unlocked, and the armrest holder 200 and the seat holder 400 can rotate relatively, that is, the armrest support rod 110 and the seat support rod 130 can rotate relatively. Of course, the positions of the locking pin 611 and the locking groove 612 can also be interchanged, or the third locking portion and the fourth locking portion are in other forms, such as hooks and holes that can cooperate with each other, and this is not limited.

Further, as shown in Figure 7, Figure 9 and Figure 13 to Figure 15, the locking groove 612 is located on the locking boss 411. In this way, it is convenient for the armrest fixing seat 200 and the backrest fixing seat 300 to be fixed at different relative positions. The locking pin 611 is arranged on the side of the armrest fixing seat 200 facing the back against the fixing seat 300. Specifically, the first main body portion 210 of the armrest fixing seat 200 can be provided with a radially penetrating installation channel 211, and one end of the locking pin 611 It can pass through the mounting channel 211 to cooperate with the locking groove 612, and the other end of the locking pin 611 can protrude out of the mounting channel 211 so as to be operated. The locking boss 411 passes through the first piercing opening 311 so that the locked pin 611 can be locked and engaged with the locking groove 612. Please refer to FIG. 11 and FIG. 22 at the same time. Optionally, the installation groove 213 and the installation channel 211 are arranged along the same radial direction of the armrest fixing seat 200, that is, the engaging block 621 and the locking pin 611 are arranged along the same radial direction of the armrest fixing seat 200. The radial direction is set, so that the engaging block 621 and the locking pin 611 can realize the locking of the seat fixing seat 400 from the two opposite sides of the armrest fixing seat 200.

Further, as shown in Figure 16 and Figure 17, the second locking mechanism 610 also includes a second elastic member 613, the two ends of the second elastic member 613 are respectively against the armrest fixing seat 200 and the locking pin 611, the second elastic member 613 The locking pin 611 is made to move in the direction of the locking groove 612 constantly. In this way, after the state conversion of the seat 10 is completed, for example, from the folded state to the unfolded state, the locking pin 611 can be automatically snapped into the locking groove 612 under the action of the second elastic member 613 to realize the armrest fixing seat 200 and the seat. The locking of the fixing seat 400 does not require further manual operation of the locking pin 611, which saves time and effort, and can improve safety performance.

Optionally, as shown in Fig. 7, Fig. 16 and Fig. 17, the second elastic member 613 can be arranged in such a way that the limit column 212 is arranged on the inner wall of the installation channel 211, and the locking pin 611 is provided with a radially arranged The limit hole 611a, the limit post 212 is inserted in the limit hole 611a, and the two ends of the second elastic member 613 are respectively connected to the limit post 212 and the hole wall on the side of the limit hole 611a away from the locking boss 411 offset. In this way, the second elastic member 613 can play the function of assisting the reset of the locking pin 611. Of course, the second elastic member 613 can also be arranged in other ways. The second elastic member 613 is a spring, an elastic rubber column, etc., which is not limited.

Further, as shown in FIGS. 3 to 5 , the second locking mechanism 610 also includes an operating member 614 connected to the locking pin 611, and the operating member 614 can be operated to drive the locking pin 611 to move. Like this, can facilitate the user to operate locking pin 611, improve user experience. Optionally, the operating part 614 is a webbing, and using the webbing as the operating part 614 hardly occupies a storage space, and hardly increases the overall weight of the baby carrier. Certainly, the operating member 614 may also be a pull ring or the like, which is not limited thereto. The end of the locking pin 611 protruding from the mounting channel 211 can be provided with a piercing hole 615, and the webbing can pass through the piercing hole 615 to be wound and fixed on the locking pin 611. Of course, the webbing can also be fixed on the fixing pin in other ways. , there is no restriction on this.

Further, as shown in Figure 24, the fourth locking mechanism 630 is in locked state, and the driver 140 and the front foot support bar 150 are relatively locked; In this way, the fourth locking mechanism 630 can be used to control the locking and unlocking of the rider 140 and the front foot support bar 150.

Specifically, as shown in Fig. 13, Fig. 15 and Fig. 24, the fourth locking mechanism 630 includes a frame mount 631 and a frame release member 632 disposed on the frame mount 631, and the frame mount 631 is fixed on Connect the side of the fixed seat 500 facing away from the seat fixed seat 400, and the rotation of the armrest fixed seat 200 can drive the linkage assembly 700 to act on the frame release member 632, so that the fourth locking mechanism 630 is converted from the locked state to the released state. In this way, during the process of rotating, folding or rotating the armrest support rod 110, the linkage assembly 700 can drive the frame release member 632 to release the lock, thereby releasing the lock between the driver 140 and the front foot support rod 150, and driving the driver. 140 and the front foot support bar 150 rotate together to fold or rotate to unfold.

Specifically, as shown in Fig. 13, Fig. 15 and Fig. 24, the linkage assembly 700 includes a pushing member 720 and a driving member 710 sleeved on the installation shaft 520, and the rotation of the armrest fixing seat 200 can drive the driving member 710 in the axial direction. Direction movement, so that the driving member 710 pushes against the pusher 720, so that the pusher 720 pushes the frame release member 632, so that the fourth locking mechanism 630 is converted from the locked state to the unlocked state.

The driving member 710 can be in various forms. For example, the driving member 710 can include a driving body 711 and a third elastic member 712. The side of the driving body 711 facing the armrest fixing seat 200 is provided with a first resisting slope 711a, and the armrest fixing seat 200 The first body part 210 of the first body is provided with the second resisting inclined surface 214 that can cooperate with the first resisting inclined surface 711a, and the two ends of the third elastic member 712 are respectively connected with the side of the driving body 711 facing away from the armrest fixing seat 200 and the pushing The parts 720 offset each other, and the side of the pushing part 720 facing away from the third elastic part 712 has a pushing protrusion 721 (as shown in Figure 15), and the pushing protrusion 721 can pass through the connection fixing seat 500 and the vehicle frame release lock part 632 offset. In this way, when the armrest fixing seat 200 is rotated, the second resisting slope 214 will push against the first resisting slope 711a, so that the driving body 711 axially pushes against the third elastic member 712, causing the third elastic member 712 to also axially resist Push the push piece 720, and the push piece 720 acts on the vehicle frame release lock 632 through the push projection 721. Through this interlocking interaction, the armrest fixing seat 200 and the driver 140 and the front foot support rod are realized. 150 linked folding function.

Further, as shown in Figures 1 and 2, the third locking mechanism 640 includes a back-to-back release member 641 located at the top of the back-to-back support rod 120, by pressing the back-to-back release member 641, the back-to-back support can be realized. 120 relative to the angular adjustment of the armrest support rod 110. Specifically, the third locking mechanism 640 is in the locked state, making the backrest fixing seat 300 and the armrest fixing seat 200 relatively locked; the third locking mechanism 640 is in the unlocking state, making the backrest fixing seat 300 and the armrest fixing seat 200 rotate relatively . By pressing the backrest release member 641, the third locking mechanism 640 can be converted from the locked state to the unlocked state.

The following is the specific process of converting the folded seat 10 from the unfolded state to the folded state with the armrest support rods linked together:

First press the backrest release part 641, so that the third locking mechanism 640 releases the lock, the backrest holder 300 can rotate to the second position relative to the armrest holder 200, the backrest support rod 120 overlaps or is parallel to the armrest support rod 110, and at the same time The first locking mechanism 620 is released, and the engaging block 621 disengages from the engaging slot 622 . At this time, pull the webbing so that the locking pin 611 breaks away from the locking groove 612, and the second locking mechanism 610 releases the lock, then the armrest fixing seat 200 and the backrest fixing seat 300 can rotate relatively to drive the armrest support bar 110 and the seat support bar respectively. 130 all rotate towards the direction close to the backrest support bar 120, and finally make the armrest support bar 110, the seat support bar 130 and the backrest support bar 120 in a state close to parallel, and the armrest support bar 110 does not tilt or stretch out Case. Simultaneously, when the armrest holder 200 rotates, it can act on the vehicle frame release lock 632 of the fourth locking mechanism 630 through the linkage assembly 700, thereby releasing the locking between the driver 140 and the front foot support bar 150, driving the driver 140 and the front foot support bar 150 rotate together to fold or rotate to unfold. In this way, the folding of the entire vehicle frame assembly can be realized.

The seat 10, the vehicle frame assembly and the baby carrier that are folded in conjunction with the above-mentioned armrest support rods have at least the following technical effects:

The armrest fixing seat 200, the backrest fixing seat 300 and the seat fixing seat 400 are coaxially connected, and the armrest fixing seat 200 and the seat fixing seat 400 are folded together with the backrest fixing seat 300, so that the armrest fixing seat 200 and the seat The fixed seat 400 can rotate to drive the armrest support rod 110 and the seat support rod 130 to rotate in a direction close to the back support rod 120, and finally the armrest support rod 110, the seat support rod 130 and the back support rod 120 are in the position of In the nearly parallel state, the armrest support rod 110 does not tilt or protrude outward. In this way, the folded volume of the seat 10 can be greatly reduced, on the one hand, the transportation cost is reduced, on the other hand, it is also convenient for the user to store and place, saves the occupied space, and improves the user satisfaction.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features , should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and its description is relatively specific and detailed, but it should not be interpreted as limiting the scope of the patent for the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the patent for the present invention should be based on the appended claims.

Claims (29)

1. A seat with armrest support rods linked and folded, characterized in that it comprises an armrest support rod, a backrest support rod, a seat support rod, an armrest fixing seat, a backrest fixing seat and a seat fixing seat, the The armrest support rod is connected with the armrest fixing seat, the backrest support rod is connected with the backrest fixing seat, the seat support rod is connected with the seat fixing seat, the armrest fixing seat, the backrest The armrest fixing seat and the seat fixing seat are coaxially pivoted, and the armrest fixing seat and the seat fixing seat are folded together with the backrest fixing seat. 2. The seat with linked foldable armrest support rods according to claim 1, further comprising a first locking mechanism, the backrest fixing seat rotates to the first position relative to the armrest fixing seat, so that The first locking mechanism locks the armrest fixing seat and the seat fixing seat; the backrest fixing seat rotates to the second position relative to the armrest fixing seat, and the first locking mechanism releases the fixing of the armrest seat and the locking of the seat fixing seat. 3. The seat according to claim 2, characterized in that the first locking mechanism comprises a first locking part arranged on the armrest fixing seat and a first locking part arranged on the seat. The second locking part on the chair fixing seat, when the backrest fixing seat rotates to the first position relative to the armrest fixing seat, the first locking part locks and cooperates with the second locking part. When the armrest fixing seat is rotated to a second position relative to the armrest fixing seat, the first locking part is disengaged from the second locking part. 4. The seat with linked foldable armrest support rods according to claim 3, characterized in that, the first locking part is an engaging block provided on the armrest fixing seat, and the second locking part It is an engaging groove arranged on the seat fixing seat and matched with the engaging block. 5. The seat with linked foldable armrest support rod according to claim 4, characterized in that, the backrest fixing seat has a first opening, and the seat fixing seat faces the backrest fixing seat One side of one side forms a locking boss, the engaging groove is arranged on the locking boss, the engaging block is arranged on the side of the armrest fixing seat facing the backrest fixing seat, and the locking boss passing through the first through opening so that the locking block is lockingly engaged with the locking groove. 6. The seat with interlocking folding of the armrest support rod according to claim 4 or 5, characterized in that, the backrest fixing seat has guide rail grooves, and the guide rail grooves are connected with the engaging grooves at different positions The distance between the slots is different, the engaging block has an engaging part and a guide post, the engaging part is inserted in the engaging groove, the guide post is inserted in the guide rail groove and along the The guide rail groove moves, the backrest fixing seat rotates to the second position relative to the armrest fixing seat, and the engaging block moves along the guide rail groove so that the engaging part is separated from the engaging groove The armrest fixing seat rotates relative to the backrest fixing seat to the first position, and the engaging block moves along the guide rail groove, so that the engaging part is inserted into the engaging groove. 7. The seat with interlocking folding of the armrest support rod according to claim 4 or 5, wherein the first locking mechanism further comprises a first elastic member, and the two ends of the first elastic member are respectively connected to The armrest fixing seat is in contact with the engaging block, and the first elastic member makes the engaging block constantly move toward the engaging groove. 8. The seat with the armrest support rods linked and folded according to claim 7, characterized in that, the armrest fixing seat is provided with radially arranged installation grooves, and the engaging block is arranged in the installation grooves Inside, the engaging part of the engaging block protrudes from the notch of the mounting groove to fit with the engaging groove, and the two ends of the first elastic member respectively connect with the engaging block and the mounting The groove bottoms of the grooves are offset. 9. The seat with linked folding of the armrest support rod according to claim 8, characterized in that, the engaging block is provided with a mounting platform, and the mounting platform includes an abutting part and a protruding part connected to each other , the first elastic member is partially sheathed outside the protrusion, and the end of the first elastic member away from the groove bottom of the installation groove abuts against the abutting portion. 10. The seat with linked foldable armrest support rods according to claim 2, further comprising a second locking mechanism, the second locking mechanism locks the armrest fixing seat and the seat fixing seat The backrest fixing seat is rotated to a second position relative to the armrest fixing seat, and the second locking mechanism is operated, so that the armrest fixing seat and the seat fixing seat rotate relatively. 11. The seat with interlocking folding of the armrest support rod according to claim 10, wherein the second locking mechanism comprises a third locking part arranged on the armrest fixing seat and a third locking part arranged on the seat. The fourth locking part on the chair fixing seat, the third locking part is operated to cooperate with the fourth locking part to lock or unlock, or the fourth locking part is operated to cooperate with the third locking part Lock or unlock. 12. The seat with interlocking folding of the armrest support rod according to claim 11, wherein the third locking part is a locking pin movably arranged on the armrest fixing seat, and the fourth locking part It is a locking groove arranged on the seat fixing seat and cooperating with the locking pin. 13. The seat with interlocking folding of the armrest support rod according to claim 12, wherein the backrest fixing seat has a first opening, and the seat fixing seat faces the backrest fixing seat One side of one side forms a locking boss, the locking groove is set on the locking boss, the locking pin is arranged on the side of the armrest fixing seat facing the backrest fixing seat, and the locking boss passes through The first through opening is configured so that the locking pin is lockingly engaged with the locking groove. 14. The seat with interlocking folding of the armrest support rod according to claim 13, characterized in that, the second locking mechanism further comprises a second elastic member, and the two ends of the second elastic member are respectively connected to the The armrest fixing seat is in contact with the locking pin, and the second elastic member makes the locking pin constantly move toward the locking groove. 15. The seat with interlocking folding of the armrest support rod according to claim 14, characterized in that, the armrest fixing seat is provided with a radially penetrating installation channel, and one end of the locking pin passes through the The installation channel cooperates with the locking groove, the inner wall of the installation channel is provided with a limit column, the locking pin is provided with a limit hole arranged in the radial direction, and the limit column is inserted into the limit hole and the two ends of the second elastic member respectively abut against the limiting column and the hole wall of the limiting hole on the side away from the locking boss. 16. The seat with interlocking folding of the armrest support rod according to claim 12, characterized in that, the second locking mechanism further comprises an operating part connected with the locking pin, and the operating part is operated to drive The locking pin moves. 17. The seat with interlocking folding of the armrest support rod according to claim 16, wherein the operating member is a ribbon. 18. The seat with interlocking folding of the armrest support rod according to claim 12, characterized in that, the first locking mechanism comprises an engaging block arranged on the armrest fixing seat and an engaging block arranged on the seat The engaging groove on the fixing seat and matched with the engaging block, the locking groove and the engaging groove are arranged along the circumferential direction of the locking boss. 19. The seat with interlocking folding of the armrest support rod according to claim 18, characterized in that, the locking pin and the engaging block are arranged along the same radial direction of the locking boss, and are located on the Lock both sides of the geometric center of the boss. 20. The seat according to claim 1, characterized in that it further comprises a connecting and fixing seat, and the connecting and fixing seat is provided with an installation shaft, and the seat fixing seat, the The backrest fixing seat and the armrest fixing seat are sheathed on the installation shaft to be coaxially pivoted. 21. The seat with interlocking folding of the armrest support rod according to claim 1, further comprising a third locking mechanism, the third locking mechanism is in a locked state, so that the backrest fixing seat and the The armrest fixing seat is relatively locked; the third locking mechanism is in an unlocked state, so that the backrest fixing seat and the armrest fixing seat rotate relatively. 22. The seat according to claim 1, wherein the armrest support rod is linked and folded, wherein the armrest support rod is detachably connected to the armrest fixing seat or fixedly connected by a pin; and/or The backrest support rod is detachably connected to the backrest holder or fixedly connected by pins; and/or The seat support bar is detachably connected to the seat fixing seat or fixedly connected by pins. 23. A vehicle frame assembly, comprising a vehicle frame and a seat arranged on the vehicle frame, characterized in that the seat is the armrest support rod described in any one of claims 1 to 22, which is linked and retracted. folded seat. 24. The vehicle frame assembly according to claim 23, wherein the seat is detachably connected to the vehicle frame. 25. The vehicle frame assembly according to claim 24, wherein the vehicle frame further comprises a fourth locking mechanism, the vehicle frame comprises a rider and a front foot support bar, the fourth locking mechanism is in a locked state, and the The driver and the front foot support bar are relatively locked; the fourth locking mechanism is in an unlocked state, and the driver and the front foot support bar are relatively rotated. 26. The frame assembly according to claim 25, wherein the seat further includes a linkage assembly, the fourth locking mechanism includes a frame release member, and the armrest fixing base rotates to drive the The linkage assembly acts on the release part of the vehicle frame, so that the fourth locking mechanism is converted from a locked state to an unlocked state. 27. The vehicle frame assembly according to claim 26, wherein the vehicle frame further comprises a frame fixing seat, the vehicle frame release member is arranged on the vehicle frame fixing seat, and the vehicle frame is fixed The seat is fixed on the side of the connection and fixing seat facing away from the seat fixing seat. The linkage assembly includes a pusher and a driving member sleeved on the installation shaft, and the rotation of the armrest fixing seat drives the The driving part moves in the axial direction, so that the driving part pushes against the pushing part, so that the pushing part pushes against the release part of the vehicle frame, so that the fourth locking mechanism is converted from a locked state to an unlocked state state. 28. The vehicle frame assembly according to claim 27, wherein the driving member comprises a driving body and a third elastic member, and the side of the driving body facing the armrest fixing seat is provided with a first resisting slope, The armrest fixing seat is provided with a second resisting inclined surface matched with the first resisting inclined surface, and the two ends of the third elastic member are respectively connected with the side of the driving body facing away from the armrest fixing seat and the The pushing piece is opposed, and the side of the pushing piece facing away from the third elastic piece has a pushing protrusion, and the pushing protrusion passes through the connection fixing seat and is opposed to the vehicle frame release piece. 29. An infant carrier, characterized by comprising the frame assembly according to any one of claims 23-28.

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