CN211969560U

CN211969560U - Baby carriage

Info

Publication number: CN211969560U
Application number: CN202020533031.4U
Authority: CN
Inventors: 唐启佑
Original assignee: Zhongshan Yuyu Baby Products Co ltd
Current assignee: Zhongshan Yuyu Baby Products Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-20
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a baby carriage, which comprises a front connecting rod component, a rear connecting rod component and an upper connecting rod component, wherein the upper end of the upper connecting rod component is connected with a hand push rod, the upper connecting rod component comprises an upper connecting rod and an upper connecting rod seat, the rear connecting rod component comprises a rear connecting rod and a rear connecting rod seat, the rear connecting rod seat is rotatably connected with the upper connecting rod seat around a first axis, the front connecting rod component comprises a front connecting rod and a front connecting rod seat, the front connecting rod seat is rotatably connected with the rear connecting rod seat around a second axis, an enclosing seat is also fixedly connected with the rear connecting rod seat, the upper connecting rod seat is arranged between the enclosing seat and the rear connecting rod seat, a first tooth is fixedly connected with the upper connecting rod seat, a second tooth which can be matched with the first tooth when the upper connecting rod seat rotates relative to the rear connecting rod seat is arranged on the, a locking device which can lock the upper connecting rod seat and the rear connecting rod seat is arranged among the upper connecting rod seat and the rear connecting rod seat. The utility model discloses joint structure and perambulator simple structure receive to close in a flexible way.

Description

Baby carriage

[ technical field ] A method for producing a semiconductor device

The utility model relates to a baby carriage.

[ background of the invention ]

Strollers have become an indispensable product in the growth process of infants. Conventional strollers are generally capable of folding or unfolding. When folded, the utility model is convenient to store and carry. The traditional baby carriage structure generally utilizes a plurality of link mechanisms to realize folding and unfolding, but the baby carriage structure has more rod pieces, more complex structure, higher cost and inconvenient folding.

Therefore, the present invention is based on the above disadvantages.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art and providing a baby carriage which has simple structure and flexible folding.

The utility model discloses a realize through following technical scheme:

a stroller, characterized in that: the connecting rod assembly comprises a front connecting rod assembly 1, a rear connecting rod assembly 2 and an upper connecting rod assembly 3, wherein the lower end of the front connecting rod assembly 1 is connected with a front wheel 13, the lower end of the rear connecting rod assembly 2 is connected with a rear wheel 23, the upper end of the upper connecting rod assembly 3 is connected with a hand push rod 7, the upper connecting rod assembly 3 comprises an upper connecting rod 31 and an upper connecting rod seat 32, the rear connecting rod assembly 2 comprises a rear connecting rod 21 and a rear connecting rod seat 22, the rear connecting rod seat 22 and the upper connecting rod seat 32 are rotatably connected around a first axis A, the front connecting rod assembly 1 comprises a front connecting rod 11 and a front connecting rod seat 12, the front connecting rod seat 12 and the rear connecting rod seat 22 are rotatably connected around a second axis B, the rear connecting rod seat 22 is also fixedly connected with an enclosing seat 24, the upper connecting rod seat 32 is arranged between the enclosing seat 24 and the rear connecting rod seat 22, and the upper connecting rod seat, the front link seat 12 is provided with a second tooth 42 which can be matched with the first tooth 41 when the upper link seat 32 rotates relative to the rear link seat 22 to enable the front link seat 12 to rotate relative to the rear link seat 22, and a locking device 5 which can lock the front link seat 12, the upper link seat 32 and the rear link seat 22 is arranged among the three.

The stroller as described above, characterized in that: the locking device 5 comprises a sliding block 51 capable of sliding in the upper connecting rod seat 32, a first locking column 52 is transversely arranged on the sliding block 51, the rear connecting rod seat 22 is provided with a first slot 53 which can be engaged with the first clamping column 52, the rear connecting rod seat 22 is also provided with a first arc-shaped groove 54 which is communicated with the first slot 53 and can allow the first clamping column 52 to slide in after the first clamping column 52 is separated from the first slot 53, the front connecting rod seat 12 is provided with a front clamping groove 55, the sliding block 51 is provided with a second clamping column 57 which can be clamped with the front clamping groove 55 and can be separated from the front clamping groove 55 when the first clamping column 52 is withdrawn from the first clamping groove 53, a driving component 58 capable of pushing the sliding block 51 to slide so as to withdraw the first clamping column 52 from the first clamping groove 53 is arranged in the upper connecting rod seat 22, a return spring 59 which can make the sliding block 51 slide and reset is arranged between the sliding block 51 and the upper connecting rod seat 32.

The stroller as described above, characterized in that: the driving assembly 58 includes a swinging block 581 rotatably connected to the upper link base 32 around a third axis C, and a first cable 582 connected to the swinging block 581 and enabling the swinging block 581 to push the sliding block 51 to slide when the swinging block 581 is pulled to swing is inserted into the upper link 31.

The stroller as described above, characterized in that: the handle bar 7 is rotatably connected to the upper end of the upper link 31, and the lower end of the handle bar 7 is connected to the first cable 582 and the handle bar 7 pulls the slide block 51 to slide upward by the first cable 582 when the handle bar 7 rotates with respect to the upper link 31.

The stroller as described above, characterized in that: the surrounding seat 24 is provided with a third card slot 501, the sliding block 51 is provided with a third card post 502 which can be engaged with the third card slot 501 and can also be withdrawn from the third card slot 501 when the first card post 52 is withdrawn from the first card slot 53, and the surrounding seat 24 is also provided with a third arc-shaped slot 503 which is communicated with the third card slot 501 and can allow the third card post 502 to slide in after the third card post 502 is withdrawn from the third card slot 501.

The stroller as described above, characterized in that: the rear connecting rod seat 22 and the surrounding seat 24 are fixedly connected through a connecting shaft 6, the front connecting rod seat 12 is rotatably connected with the rear connecting rod seat 22 through the connecting shaft 6, the second axis B is the axis of the connecting shaft 6, and the upper connecting rod seat 32 is provided with a second arc-shaped groove 34 through which the connecting shaft 6 passes and for the connecting shaft 6 to move relatively.

The stroller as described above, characterized in that: the inner side of the surrounding seat 24 is further provided with an inner connecting seat 8 which is fixedly connected with the upper connecting rod seat 32 and can rotate relative to the surrounding seat 24, and the inner connecting seat 8 is provided with a connecting position 10 which can be connected with the seat rest assembly 9.

The stroller as described above, characterized in that: the upper link seat 32 is further provided with a locking groove 50 which can be engaged with or disengaged from the first locking column 52 when the sliding block 51 slides, and the upper link seat 32 is further provided with an upper locking groove 56 which can be engaged with or disengaged from the second locking column 57 when the sliding block 51 slides.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses a preceding connecting rod seat, it can be with the latch device of three locking to go up to be equipped with between connecting rod seat and the back connecting rod seat three, when latch device locks, preceding link assembly, back link assembly and last link assembly expand each other and lock, after the latch device unblock, go up the in-process that link assembly backward link assembly rotated to draw close and make preceding link assembly realize linking and backward link assembly draw close through the meshing transmission of first tooth and second tooth, link assembly before realizing, back link assembly and last link assembly three draw close foldingly. The control part for controlling the whole folding motion is arranged inside the surrounding seat, the upper connecting rod seat and the rear connecting rod seat, and other connecting rod mechanisms are not involved outside, so that the whole baby carriage is simple and compact in structure, low in cost and very convenient and fast to operate.

2. The utility model discloses the perambulator is when folding, slide through first cable pulling sliding block, first calorie of post on the sliding block withdraws from and enters into first arc wall from the first draw-in groove on the back connecting rod seat, in this process, the second card post on the sliding block withdraws from in the past draw-in groove and last draw-in groove, therefore, slide at the sliding block and just realize connecting rod seat and back connecting rod seat unblock and preceding connecting rod seat and last connecting rod seat unblock, unblock operation convenient and fast very, in case the locking device unblock, it just can be relative back connecting rod assembly rotate to go up the connecting rod assembly, just realize preceding connecting rod assembly linkage through first tooth and the transmission of second tooth meshing in last connecting rod assembly relative back connecting rod assembly pivoted in-process, realize preceding connecting rod assembly and rotate to draw close together backward connecting rod assembly. The linkage unlocking and linkage motion of the front connecting rod assembly are realized through the whole structure, the folding is very convenient and fast, and the design is very ingenious.

3. The utility model discloses joint simple structure is compact, folding convenient operation, and folding back is small moreover, portable.

[ description of the drawings ]

FIG. 1 is a perspective view of components of the present invention;

fig. 2 is one of exploded views of components of the present invention;

fig. 3 is a second exploded view of the components of the present invention;

fig. 4 is a third exploded view of the components of the present invention;

fig. 5 is a fourth exploded view of the components of the present invention;

fig. 6 is a fifth exploded view of the components of the present invention;

fig. 7 is a schematic illustration of the components of the present invention during folding;

fig. 8 is a perspective view of the present invention;

fig. 9 is a side view of the present invention in a folded state;

fig. 10 is a side view of another embodiment of the stroller of the present invention.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 9, a stroller comprises a front link assembly 1, a rear link assembly 2 and an upper link assembly 3, wherein a front wheel 13 is connected to the lower end of the front link assembly 1, a rear wheel 23 is connected to the lower end of the rear link assembly 2, a push rod 7 is connected to the upper end of the upper link assembly 3, the upper link assembly 3 comprises an upper link 31 and an upper link seat 32, the rear link assembly 2 comprises a rear link 21 and a rear link seat 22, the rear link seat 22 and the upper link seat 32 are rotatably connected around a first axis a, the front link assembly 1 comprises a front link 11 and a front link seat 12, the front link seat 12 and the rear link seat 22 are rotatably connected around a second axis B, an enclosing seat 24 is further fixedly connected to the rear link seat 22, the upper link seat 32 is disposed between the enclosing seat 24 and the rear link seat 22, a first tooth 41 is fixedly connected to the upper link seat 32, the front link seat 12 is provided with a second tooth 42 which can be matched with the first tooth 41 when the upper link seat 32 rotates relative to the rear link seat 22 to enable the front link seat 12 to rotate relative to the rear link seat 22, and a locking device 5 which can lock the front link seat 12, the upper link seat 32 and the rear link seat 22 is arranged among the three. When the locking device 5 is locked, the front connecting rod assembly 1, the rear connecting rod assembly 2 and the upper connecting rod assembly 3 are unfolded and locked mutually, after the locking device 5 is unlocked, the front connecting rod assembly 1 is linked and closed to the rear connecting rod assembly 2 through the meshing transmission of the first tooth 41 and the second tooth 42 in the process that the upper connecting rod assembly 1 rotates and closes to the rear connecting rod assembly 2, and the front connecting rod assembly 1, the rear connecting rod assembly 2 and the upper connecting rod assembly 3 are closed and folded. The control part for controlling the whole folding movement is all carried out in the surrounding seat 24, the upper connecting rod seat 32 and the rear connecting rod seat 22, and other connecting rod mechanisms are not participated outside, so that the whole baby carriage has simple and compact structure and low cost, and is very convenient and fast to operate.

As shown in fig. 2 to 6, the locking device 5 includes a sliding block 51 capable of sliding in the upper link seat 32, a first engaging post 52 is transversely disposed on the sliding block 51, a first engaging groove 53 capable of engaging with the first engaging post 52 is disposed on the rear link seat 22, a first arc-shaped groove 54 communicating with the first engaging groove 53 and allowing the first engaging post 52 to slide therein after the first engaging post 52 is disengaged from the first engaging groove 53 is further disposed on the rear link seat 22, a front engaging groove 55 is disposed on the front link seat 12, an upper engaging groove 56 is disposed on the upper link seat 32, a second engaging post 57 capable of engaging with the front engaging groove 55 and the upper engaging groove 56 simultaneously and disengaging from the front engaging groove 55 when the first engaging post 52 is disengaged from the first engaging groove 53 is disposed on the sliding block 51, a driving assembly 58 capable of driving the sliding block 51 to slide to allow the first engaging post 52 to be disengaged from the first engaging groove 53 is disposed in the upper link seat 22, a return spring 59 which can make the sliding block 51 slide and reset is arranged between the sliding block 51 and the upper connecting rod seat 32. When the stroller is folded, the driving assembly 58 drives the sliding block 51 to slide, the first clamping column 52 on the sliding block 51 is withdrawn from the first clamping groove 53 on the rear connecting rod seat 22 and enters the first arc-shaped groove 54, and in the process, the second clamping column 57 on the sliding block 51 is withdrawn from the front clamping groove 55 and the upper clamping groove 56, so that the upper connecting rod seat 32 and the rear connecting rod seat 22 are unlocked as soon as the sliding block 51 slides, the front connecting rod seat 11 and the upper connecting rod seat 32 are unlocked, the unlocking operation is very convenient and fast, once the locking device 5 is unlocked, the upper connecting rod assembly 3 can rotate relative to the rear connecting rod assembly 2, the front connecting rod assembly 1 is linked through meshing transmission of the first tooth 41 and the second tooth 42 in the process that the upper connecting rod assembly 3 rotates relative to the rear connecting rod assembly 2, and the front connecting rod assembly 1 rotates towards the rear connecting rod assembly 2. The linkage unlocking and linkage motion of the front connecting rod assembly 1 are realized through the whole structure, the folding is very convenient and fast, and the design is very ingenious.

As shown in fig. 2 and 4, the driving assembly 58 includes a swinging block 581 rotatably connected to the upper link holder 32 about the third axis C, and a first cable 582 connected to the swinging block 581 and allowing the swinging block 581 to push the sliding block 51 to slide when the swinging block 581 is pulled to swing is inserted into the upper link 31. When the stroller is folded, only the first cable 582 needs to be pulled, the first cable 582 enables the swing block 581 to swing around the third axis C, the sliding block 51 is pushed to slide upwards in the swing process, the first clamping column 52 on the sliding block 51 is withdrawn from the first clamping groove 53 on the rear connecting rod seat 22, meanwhile, the second clamping column 57 on the sliding block 51 is withdrawn from the front clamping groove 55 on the front connecting rod seat 12, the unlocking of the upper connecting rod seat 32, the front connecting rod seat 12 and the rear connecting rod seat 22 is realized, one unlocking action is performed, the unlocking of a plurality of components is realized, and the operation is very convenient and fast.

As shown in fig. 8, the handle bar 7 is rotatably coupled to the upper end of the upper link 31, and the lower end of the handle bar 7 is coupled to the first cable 582 and the handle bar 7 pulls the slide block 51 to slide upward by the first cable 582 when the handle bar 7 rotates with respect to the upper link 31. The arrangement of the hand push rod 7 extends the upper connecting rod 31, so that a user can push the baby carriage more conveniently. When the stroller is folded, the push rod 7 is folded by rotation relative to the upper link 32, and the first cable 582 pulls the slide block 51 to slide and unlock the stroller during the rotation, which is very convenient to operate.

As shown in fig. 2 and 6, the surrounding seat 24 is provided with a third slot 501, the sliding block 51 is provided with a third pin 502 which can be engaged with the third slot 501 and can also be withdrawn from the third slot 501 when the first pin 52 is withdrawn from the first slot 53, and the surrounding seat 24 is further provided with a third arc-shaped slot 503 which is communicated with the third slot 501 and can allow the third pin 502 to slide therein after the third pin 502 is withdrawn from the third slot 501. Surround seat 24 and back connecting rod seat 22 fixed connection, set up on surrounding seat 24 can with the third card groove 501 of the third card post 502 block on the sliding block 51 or break away from for the both sides of sliding block 51 can be with back connecting rod seat 22 and surround seat 24 kayser respectively, make the perambulator kayser very firm when the expansion state.

As shown in fig. 2 and 6, the rear connecting rod seat 22 and the surrounding seat 24 are fixedly connected through a connecting shaft 6, the front connecting rod seat 12 is rotatably connected with the rear connecting rod seat 22 through the connecting shaft 6, the second axis B is the axis of the connecting shaft 6, and the upper connecting rod seat 32 is provided with a second arc-shaped groove 34 through which the connecting shaft 6 passes and in which the connecting shaft 6 can move relatively. When the upper link base 32 rotates relative to the rear link base 22, the first tooth 41 on the upper link base 32 drives the front link base 12 to rotate around the second axis B relative to the rear link base 22 through the second tooth 42 on the front link base 12, so that the front link base 12 rotates toward the rear link base 22.

As shown in fig. 4 and 6, the upper link base 32 is further provided with a locking groove 50 that can be engaged with or disengaged from the first locking column 52 when the sliding block 51 slides, and the upper link base 32 is further provided with an upper locking groove 56 that can be engaged with or disengaged from the second locking column 57 when the sliding block 51 slides. In the unfolded state of the stroller, the first latching portion 52 is simultaneously engaged with the first latching groove 53 and the latching groove 50, and the second latching portion 57 is simultaneously engaged with the front latching groove 55 and the upper latching groove 56, and when the latching mechanism is unlocked, the first latching portion 52 is simultaneously disengaged from the first latching groove 53 and the latching groove 50, and the second latching portion 57 is simultaneously disengaged from the front latching groove 55 and the upper latching groove 56. Therefore, the design can ensure that the baby carriage can be locked firmly when in the unfolding state.

As shown in fig. 10, an inner connecting seat 8 fixedly connected to the upper connecting rod seat 32 and capable of rotating relative to the surrounding seat 24 may be further disposed inside the surrounding seat 24, and a connecting position 10 capable of connecting the seat back assembly 9 is disposed on the inner connecting seat 8. When the baby carriage is folded, the seat assembly 9 can be folded firstly, then the upper connecting rod assembly 3 and the front connecting rod assembly 1 are folded, the seat assembly 9 can be driven by the inner connecting seat 8 to rotate relative to the rear connecting rod assembly 1, and finally the folding of the baby carriage is realized.

Claims

1. A stroller, characterized in that: the connecting rod assembly comprises a front connecting rod assembly (1), a rear connecting rod assembly (2) and an upper connecting rod assembly (3), wherein the lower end of the front connecting rod assembly (1) is connected with a front wheel (13), the lower end of the rear connecting rod assembly (2) is connected with a rear wheel (23), the upper end of the upper connecting rod assembly (3) is connected with a hand push rod (7), the upper connecting rod assembly (3) comprises an upper connecting rod (31) and an upper connecting rod seat (32), the rear connecting rod assembly (2) comprises a rear connecting rod (21) and a rear connecting rod seat (22), the rear connecting rod seat (22) and the upper connecting rod seat (32) are rotatably connected around a first axis (A), the front connecting rod assembly (1) comprises a front connecting rod (11) and a front connecting rod seat (12), the front connecting rod seat (12) and the rear connecting rod seat (22) are rotatably connected around a second axis (B), and the rear connecting rod seat (22) is further fixedly connected with an, go up connecting rod seat (32) locate between encirclement seat (24) and back connecting rod seat (22), go up connecting rod seat (32) on fixedly connected with first tooth (41), preceding connecting rod seat (12) on be equipped with can cooperate and make preceding connecting rod seat (12) relative back connecting rod seat (22) pivoted second tooth (42) with first tooth (41) when last connecting rod seat (32) relative back connecting rod seat (22) rotate, preceding connecting rod seat (12), go up connecting rod seat (32) and back connecting rod seat (22) between be equipped with can be with the kayser device (5) of three locking.

2. The stroller of claim 1, wherein: the locking device (5) comprises a sliding block (51) capable of sliding in an upper connecting rod seat (32), a first clamping column (52) is transversely arranged on the sliding block (51), a first clamping groove (53) capable of being clamped with the first clamping column (52) is formed in a rear connecting rod seat (22), a first arc-shaped groove (54) which is communicated with the first clamping groove (53) and can enable the first clamping column (52) to slide in the first clamping groove (53) after the first clamping column (52) is separated from the first clamping groove (53) is further formed in the rear connecting rod seat (22), a front clamping groove (55) is formed in the front connecting rod seat (12), a second clamping column (57) capable of being clamped with the front clamping groove (55) and capable of being separated from the front clamping groove (55) when the first clamping column (52) is separated from the first clamping groove (53) is arranged on the sliding block (51), and a sliding block (58) capable of pushing the first clamping column (52) to be separated from the front clamping groove (55) is arranged in the upper connecting rod seat (22) And a return spring (59) which can enable the sliding block (51) to slide and reset is arranged between the sliding block (51) and the upper connecting rod seat (32).

3. The stroller of claim 2, wherein: the driving component (58) comprises a swinging block (581) which is rotatably connected to the upper connecting rod seat (32) around a third axis (C), and a first cable (582) which is connected with the swinging block (581) and can enable the swinging block (581) to push the sliding block (51) to slide when the swinging block (581) is pulled to swing is arranged in the upper connecting rod (31) in a penetrating way.

4. The stroller of claim 3, wherein: the hand push rod (7) is rotatably connected to the upper end of the upper connecting rod (31), the lower end of the hand push rod (7) is connected with the first pull cable (582), and when the hand push rod (7) rotates relative to the upper connecting rod (31), the hand push rod (7) pulls the sliding block (51) to slide upwards through the first pull cable (582).

5. The stroller of claim 2, wherein: the enclosing seat (24) is provided with a third clamping groove (501), the sliding block (51) is provided with a third clamping column (502) which can be clamped with the third clamping groove (501) and can also be withdrawn from the third clamping groove (501) when the first clamping column (52) is withdrawn from the first clamping groove (53), and the enclosing seat (24) is also provided with a third arc-shaped groove (503) which is communicated with the third clamping groove (501) and can be used for the third clamping column (502) to slide in after the third clamping column (502) is withdrawn from the third clamping groove (501).

6. The stroller of claim 2, wherein: back connecting rod seat (22) with surround seat (24) and pass through connecting axle (6) fixed connection, preceding connecting rod seat (12) pass through connecting axle (6) and back connecting rod seat (22) rotatable coupling, second axis (B) be the axle center of connecting axle (6), last connecting rod seat (32) on be equipped with and supply connecting axle (6) to pass and can supply second arc wall (34) of relative motion including connecting axle (6).

7. The stroller of claim 1, wherein: the inner side of the surrounding seat (24) is also provided with an inner connecting seat (8) which is fixedly connected with the upper connecting rod seat (32) and can rotate relative to the surrounding seat (24), and the inner connecting seat (8) is provided with a connecting position (10) which can be connected with the seat rest assembly (9).

8. The stroller of claim 2, wherein: the upper connecting rod seat (32) is further provided with a clamping and locking groove (50) which can be clamped with or separated from the first clamping column (52) when the sliding block (51) slides, and the upper connecting rod seat (32) is further provided with an upper clamping groove (56) which can be clamped with or separated from the second clamping column (57) when the sliding block (51) slides.