CN213473268U

CN213473268U - Children's barrow

Info

Publication number: CN213473268U
Application number: CN202022289844.6U
Authority: CN
Inventors: 廖文平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-18
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a children's shallow can remove to folding position from the expansion position after the locking device unblock, including the bottom sprag frame, the bottom sprag frame includes: the front leg that is equipped with the front wheel subassembly with be equipped with the back leg of back wheel subassembly, just the front leg rotates around first axis A and back leg to be connected, the children's shallow still include: the push rod is rotatably connected to the bottom support frame around a second axis B; the linkage assembly is connected between the front legs and the rear legs; and the upper end of the transmission rod is rotatably connected to the push rod around a third axis C, the lower end of the transmission rod is rotatably connected to the linkage assembly around a fourth axis D, and when the push rod is rotated to draw close the rear legs, the push rod drives the transmission rod to move so that the linkage assembly drives the front legs to draw close the rear legs. The utility model discloses folding easy and simple to handle, the volume after folding up moreover is small, and the user of being convenient for carries.

Description

Children's barrow

[ technical field ] A method for producing a semiconductor device

The utility model relates to a children's shallow.

[ background of the invention ]

At present, the child stroller becomes an indispensable article for children in the growing process. The stroller on the market can be folded or unfolded generally, but the structure of the existing stroller is complex, so that the stroller is heavy, large in size after being folded and inconvenient to carry.

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, providing a baby stroller which is convenient to fold and small in size after being folded.

The utility model discloses a realize through following technical scheme:

a stroller, which can be moved from an unfolded position to a folded position after a locking device 3 is unlocked, characterized in that: including bottom sprag frame 100, bottom sprag frame 100 is including the foreleg 11 that is equipped with front wheel subassembly 111 and the back leg 12 that is equipped with back wheel subassembly 121, just foreleg 11 rotates around first axis A and back leg 12 to be connected, children's shallow still include:

a push rod 13 rotatably connected to the bottom bracket 100 about a second axis B;

a linkage assembly 14 connected between the front leg 11 and the rear leg 12;

and the upper end of the transmission rod 15 is rotatably connected to the push rod 13 around a third axis C, the lower end of the transmission rod 15 is rotatably connected to the linkage assembly 14 around a fourth axis D, and when the push rod 13 rotates towards the rear legs 12 to be closed, the push rod 13 drives the transmission rod 15 to move so that the linkage assembly 14 drives the front legs 11 to be closed towards the rear legs 12.

The stroller as described above, characterized in that: the stroller further comprises a seat support frame 21, the seat support frame 21 is connected to the push rod 13 in a rotating mode around a fifth axis E, a transmission piece 22 is further arranged between the seat support frame 21 and the front leg 11, the upper end of the transmission piece 22 is connected to the seat support frame 21 in a rotating mode around a sixth axis F, and the lower end of the transmission piece 22 is connected to the front leg 11 in a rotating mode around a seventh axis G.

The stroller as described above, characterized in that: when the stroller is unfolded, the seat support frame 21 extends obliquely from the lower end of the push rod 13 to above the front leg 11.

The stroller as described above, characterized in that: still be equipped with seat subassembly 23 on the seat support frame 21, seat subassembly 23 is including connecting the base 231 on the seat support frame 21, be connected with its pivoted back 232 relatively on the base 231, be connected with its pivoted handrail frame 233 relatively on the back 232, still be equipped with support frame 234 between handrail frame 233 and the base 231, just support frame 234 lower extreme rotates to be connected on base 231, support frame 234 upper end is rotated and is connected on handrail frame 233.

The stroller as described above, characterized in that: the linkage assembly 14 comprises a linkage rod 141 rotatably connected to the rear leg 12 around an eighth axis H and a connecting rod 142 rotatably connected to the front leg 11, the front end of the connecting rod 142 is rotatably connected to the front leg 11 around a ninth axis I, and the rear end of the connecting rod 142 is rotatably connected to the front end of the linkage rod 141 around a tenth axis J.

The stroller as described above, characterized in that: the lower end of the transmission rod 15 is rotatably connected to the front end of the linkage rod 141 or the rear end of the connecting rod 142;

or, the lower end of the transmission rod 15 is coaxially connected with the front end of the linkage rod 141 and the rear end of the connecting rod 142.

The stroller as described above, characterized in that: the locking device 3 is arranged between the push rod 13 and the front leg 11, the locking device 3 comprises a positioning rod 31 which is arranged on the front leg and transversely extends, a clamping hook 32 is rotatably connected to the push rod 13 around an eleventh axis K, when the stroller is unfolded, the clamping hook 32 is buckled with the positioning rod 31 to enable the push rod 13 and the front leg 11 to be locked with each other, when the stroller is folded, the clamping hook 32 is separated from the positioning rod 31 to enable the push rod 13 and the front leg 11 to rotate relative to the rear leg 12, and an elastic resetting element 33 capable of enabling the clamping hook 32 to reset is further arranged in the push rod 13.

The stroller as described above, characterized in that: the push rod 13 is also connected with a hand push handle 16 which can slide in the push rod and push the hook 32 to rotate when sliding so as to separate the hook 32 from the positioning rod 31.

The stroller as described above, characterized in that: a locking device 4 which can lock the seat assembly 23 when the seat assembly 23 is unfolded to keep the seat assembly 23 in the unfolded state is further arranged between the backrest 232 and the armrest frame 233, the locking device 4 comprises a left shell part 41 arranged on the backrest 232 and a right shell part 42 arranged on the armrest frame 233, the left shell part 41 and the right shell part 42 are enclosed to form an accommodating cavity 43, spline grooves 44 are respectively arranged on the inner walls of the left shell part 41 and the right shell part 42, splines 45 are arranged in the accommodating cavity 43, a jacking piece 46 which can push the splines 45 to slide transversely and be separated from the spline grooves 44 on the right shell part 42 is arranged on the armrest frame 233, a spring 47 which can jack the splines 45 to be simultaneously clamped with the spline grooves 44 on the left shell part 41 and the right shell part 42 when the stroller is in the unfolded state is arranged between the splines 45 and the left shell part 41, the top pressing piece 46 is provided with a pushing part 461 capable of pushing the spline 45 to slide transversely after being pressed and pushed, and an elastic reset piece 48 is further arranged between the top pressing piece 46 and the armrest frame 233.

The stroller as described above, characterized in that: the transmission rod 15 is arranged in a circular arc shape, and the opening of the transmission rod faces the rear of the stroller.

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

1. the utility model discloses when folding, at first unblock locking device, then press and promote the push rod and rotate backward, when the push rod rotates backward, the push rod drives the transfer line rebound, drive linkage subassembly rebound when the transfer line rebound, the linkage subassembly drives the front leg and draws close to the back leg this moment, thereby the push rod draws close to the back leg and accomplishes folding of whole children's shallow, whole folding in-process need not press the front leg with the hand and just can accomplish folding up of whole children's shallow, folding easy and simple to handle, and the volume after folding up is small, convenient to use person carries.

2. The utility model discloses when folding, the foreleg rotates to the back leg and draws close, and the foreleg drives the lower extreme of driving medium and follows the removal this moment, and makes the upper end of driving medium drive the relative push rod rotation of seat support frame and draw close to the foreleg.

3. The utility model discloses when folding, the transfer line rebound and the rear end rebound that drives the front end of gangbar and connecting rod, therefore the front leg is drawn close with the back leg to gangbar and connecting rod pulling. The transmission rod is convenient for the push rod to pull the linkage assembly to move upwards so as to enable the front legs to be close to the rear legs.

[ description of the drawings ]

Fig. 1 is one of the perspective views of the stroller of the present invention;

fig. 2 is a second perspective view of the stroller of the present invention;

fig. 3 is a plan view of the stroller of the present invention;

fig. 4 is a cross-sectional view of the stroller of the present invention;

FIG. 5 is an enlarged view of the area L in FIG. 4;

fig. 6 is a plan view of the stroller of the present invention when folded;

fig. 7 is a plan view of the stroller of the present invention when folding is completed;

fig. 8 is a perspective view of the stroller of the present invention when folding is completed;

figure 9 is a perspective view of the seat assembly of the stroller of the present invention;

fig. 10 is an exploded view of the seat assembly of the stroller of the present invention;

fig. 11 is an exploded view of the seat assembly 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 11, the utility model provides a stroller, can move to the folding position from the expansion position after locking device 3 unblock, including bottom sprag frame 100, bottom sprag frame 100 includes: front leg 11 with front wheel subassembly 111 and rear leg 12 with rear wheel subassembly 121, just front leg 11 rotates around first axis A and rear leg 12 and is connected, children's shallow still include:

a linkage assembly 14 connected between the front leg 11 and the rear leg 12;

When the stroller is folded, the locking device 3 is unlocked firstly, then the push rod 13 is pushed to rotate backwards by pressing, when the push rod 13 rotates backwards, the push rod 13 drives the transmission rod 15 to move upwards, the transmission rod 15 drives the linkage component 14 to move upwards when moving upwards, the linkage component 14 drives the front leg 11 to be drawn close to the rear leg 12 at the moment, the push rod 13 is drawn close to the rear leg 12 to fold the whole stroller, folding of the whole stroller can be completed without pressing the front leg 11 by hands in the whole folding process, the folding operation is simple and convenient, the size after folding is small, and the stroller is convenient to carry for users.

As shown in fig. 1 to 4, the stroller further includes a seat support frame 21, the seat support frame 21 is rotatably connected to the push rod 13 around a fifth axis E, a transmission member 22 is further disposed between the seat support frame 21 and the front leg 11, an upper end of the transmission member 22 is rotatably connected to the seat support frame 21 around a sixth axis F, and a lower end of the transmission member 22 is rotatably connected to the front leg 11 around a seventh axis G. When the stroller is folded, the front leg 11 rotates toward the rear leg 12, and at this time, the front leg 11 drives the lower end of the transmission member 22 to move along, so that the upper end of the transmission member 22 drives the seat support frame 21 to rotate relative to the push rod 13 to move toward the front leg 11.

As shown in fig. 1 to 4, the seat support frame 21 extends obliquely from the lower end of the push rod 13 to above the front leg 11 when the stroller is unfolded. The seat support frame 21 is more smooth when being folded, and the center of gravity of the child sitting on the seat support frame 21 is stable and safe.

As shown in fig. 1, 8 and 9, the seat support frame 21 is further provided with a seat assembly 23, the seat assembly 23 includes a base 231 connected to the seat support frame 21, the base 231 is connected to a backrest 232 capable of rotating relative to the base, the backrest 232 is connected to an armrest frame 233 capable of rotating relative to the backrest, a support frame 234 is further provided between the armrest frame 233 and the base 231, the lower end of the support frame 234 is rotatably connected to the base 231, and the upper end of the support frame 234 is rotatably connected to the armrest frame 233. When the seat assembly 23 is folded, the backrest 232 is pushed to move forwards, the backrest 232 rotates relative to the base 231, the armrest frame 233 is pushed to move forwards when the backrest 232 rotates, the armrest frame 233 drives the support frame 234 to rotate relative to the base 231 and draw close, the backrest 232 and the armrest frame 233 draw close to the base 231, the folding of the whole seat assembly 23 is completed, and the folded seat assembly 23 is small in size and convenient to carry for a user. The seat assembly 23 can be detached from the seat support frame 21, so that the installation direction of the seat assembly 23 can be adjusted. The frame-shaped seat assembly 23 is provided, so that the child can ride more safely.

As shown in fig. 1 to 4, the linkage assembly 14 includes a linkage rod 141 rotatably connected to the rear leg 12 about an eighth axis H and a connecting rod 142 rotatably connected to the front leg 11, a front end of the connecting rod 142 is rotatably connected to the front leg 11 about a ninth axis I, and a rear end of the connecting rod 142 is rotatably connected to a front end of the linkage rod 141 about a tenth axis J. When the stroller is folded, the upward movement of the transmission rod 15 drives the front end of the linkage rod 141 and the rear end of the connection rod 142 to move upward, so that the linkage rod 141 and the connection rod 142 pull the front legs 11 and the rear legs 12 together. The drive link 15 facilitates the push rod 13 pulling the linkage assembly 14 upward to draw the front legs 11 toward the rear legs 12.

As shown in fig. 1 to 4, the lower end of the transmission rod 15 is coaxially connected with the front end of the linkage rod 141 and the rear end of the connecting rod 142. When the lower end of the transmission rod 15 is coaxially connected with the front end of the linkage rod 141 and the rear end of the connecting rod 142, the transmission rod 15 can drive the front end of the linkage rod 141 and the rear end of the connecting rod 142 to move upwards when rotating. Of course, the lower end of the driving rod 15 can also be rotatably connected to the front end of the linkage rod 141 or the rear end of the connecting rod 142. When the lower end of the transmission rod 15 is rotatably connected to the front end of the linkage rod 141 or the rear end of the connection rod 142, the transmission rod 15 can drive the front end of the linkage rod 141 or the rear end of the connection rod 142 to move upwards when rotating, so as to drive the linkage rod 141 and the transmission rod 15 to move upwards.

As shown in fig. 4 to 5, the locking device 3 is disposed between the push rod 13 and the front leg 11, the locking device 3 includes a positioning rod 31 disposed on the front leg and extending transversely, a hook 32 is rotatably connected to the push rod 13 around an eleventh axis K, when the stroller is unfolded, the hook 32 is buckled with the positioning rod 31 to lock the push rod 13 and the front leg 11 with each other, and when the stroller is folded, the hook 32 is separated from the positioning rod 31 to allow the push rod 13 and the front leg 11 to rotate relative to the rear leg 12, and an elastic restoring element 33 capable of restoring the hook 32 is further disposed in the push rod 13. When the stroller is folded, the locking device 3 needs to be unlocked, the hook 32 needs to be jacked, the hook 32 rotates, the hook 32 disengages from the positioning rod 31 when rotating, the push rod 13 and the front leg 11 are unlocked, the front leg 11 can rotate relative to the rear leg 12 and draw close to the rear leg 12, the push rod 13 can rotate relative to the rear leg 12 and draw close to the rear leg 12, and the stroller is small in size when being folded. When the child car is unfolded, the hook 32 rotates reversely to be buckled with the positioning rod 31, the elastic reset element 33 pushes the hook 32 in the push rod 13, so that the hook 32 is kept clamped with the positioning rod 31, at the moment, the front leg 11 and the push rod 13 are locked, and the push rod 13 cannot rotate backwards.

As shown in fig. 1 to 4, the push rod 13 is further connected to a handle 16 that can slide therein and push the hook 32 to rotate during sliding so that the hook 32 is disengaged from the positioning rod 31. The handle 16 pushes the rear side of the hook 32 during the sliding process of the push rod 13, so that the hook 32 rotates around the eleventh axis K relative to the push rod 13 and is separated from the positioning rod 31.

As shown in fig. 10 to 11, a locking device 4 is further disposed between the backrest 232 and the armrest frame 233, the locking device 4 can lock the backrest 232 and the armrest frame 233 when the seat assembly 23 is unfolded, so as to keep the seat assembly 23 in the unfolded state, the locking device 4 includes a left shell portion 41 disposed on the backrest 232 and a right shell portion 42 disposed on the armrest frame 233, the left shell portion 41 and the right shell portion 42 enclose an accommodating cavity 43, spline grooves 44 are respectively disposed on inner walls of the left shell portion 41 and the right shell portion 42, a spline 45 is disposed in the accommodating cavity 43, a pressing member 46 capable of pushing the spline 45 to slide transversely and disengage from the spline groove 44 on the right shell portion 42 is disposed on the armrest frame 233, a spring 47 capable of pressing the spline 45 when the stroller is in the unfolded state so as to simultaneously engage the spline 45 with the spline grooves 44 on the left shell portion 41 and the right shell portion 42 is disposed between the spline 45 and the left shell portion 41, the top pressing piece 46 is provided with a pushing part 461 capable of pushing the spline 45 to slide transversely after being pressed and pushed, and an elastic reset piece 48 is further arranged between the top pressing piece 46 and the armrest frame 233.

When the seat assembly 23 is folded, the locking device 4 needs to be unlocked, when the locking device 4 is unlocked, only the pressing member 46 needs to be pressed, the pushing portion 461 presses and pushes the spline 45 in the process of the transverse movement of the pressing member 46, so that the spline 45 slides transversely and is separated from the spline groove 44 on the right shell portion 42, when the spline 45 is separated from the spline groove 44 on the right shell portion 42, the backrest 232 and the armrest frame 233 are unlocked, and at this time, the backrest 232 can be pushed to be folded, so that the backrest 232 is close to the base 231. The resilient return member 48 is a spring, and when the folding seat assembly 23 is unfolded, the spring 47 urges the spline 45 to return.

As shown in fig. 1, a pedal 1411 is provided at the rear end of the linkage rod 141. For resting the child's feet after the seat assembly 23 has been turned, making the child more comfortable to ride.

As shown in fig. 2 to 5, the driving rod 15 is arranged in a circular arc shape and opens toward the rear of the stroller. Therefore, the interference can not occur when the baby stroller is folded and unfolded, and the folding and the unfolding are smooth and flexible.

Claims

1. A stroller movable from an unfolded position to a folded position after unlocking of a locking device (3), characterized in that: including bottom sprag frame (100), bottom sprag frame (100) are including preceding leg (11) that are equipped with front wheel subassembly (111) and back leg (12) that are equipped with back wheel subassembly (121), just preceding leg (11) are connected around first axis (A) and back leg (12) rotation, children's shallow still include:

a push rod (13) rotatably connected to the base support frame (100) about a second axis (B);

a linkage assembly (14) connected between the front leg (11) and the rear leg (12);

and the upper end of the transmission rod (15) is rotatably connected to the push rod (13) around a third axis (C), the lower end of the transmission rod is rotatably connected to the linkage assembly (14) around a fourth axis (D), and when the push rod (13) rotates towards the rear leg (12) to be drawn together, the push rod (13) drives the transmission rod (15) to move so that the linkage assembly (14) drives the front leg (11) to be drawn towards the rear leg (12).

2. The stroller of claim 1, wherein: the baby stroller further comprises a seat support frame (21), the seat support frame (21) is connected to the push rod (13) in a rotating mode around a fifth axis (E), a transmission piece (22) is further arranged between the seat support frame (21) and the front leg (11), the upper end of the transmission piece (22) is connected to the seat support frame (21) in a rotating mode around a sixth axis (F), and the lower end of the transmission piece (22) is connected to the front leg (11) in a rotating mode around a seventh axis (G).

3. The stroller of claim 2, wherein: when the baby stroller is unfolded, the seat support frame (21) extends obliquely from the lower end of the push rod (13) to the upper part of the front leg (11).

4. The stroller of claim 2 or 3, wherein: still be equipped with seat subassembly (23) on seat support frame (21), seat subassembly (23) is including connecting base (231) on seat support frame (21), be connected with its pivoted back (232) relatively on base (231), be connected with its pivoted handrail frame (233) relatively on back (232), still be equipped with support frame (234) between handrail frame (233) and base (231), just support frame (234) lower extreme rotates to be connected on base (231), support frame (234) upper end is rotated and is connected on handrail frame (233).

5. The stroller of claim 1, wherein: the linkage assembly (14) comprises a linkage rod (141) which is rotatably connected to the rear leg (12) around an eighth axis (H) and a connecting rod (142) which is rotatably connected to the front leg (11), the front end of the connecting rod (142) is rotatably connected with the front leg (11) around a ninth axis (I), and the rear end of the connecting rod (142) is rotatably connected with the front end of the linkage rod (141) around a tenth axis (J).

6. The stroller of claim 5, wherein: the lower end of the transmission rod (15) is rotatably connected to the front end of the linkage rod (141) or the rear end of the connecting rod (142);

or the lower end of the transmission rod (15) is coaxially connected with the front end of the linkage rod (141) and the rear end of the connecting rod (142).

7. The stroller of claim 1, wherein: locking device (3) locate between push rod (13) and foreleg (11), locking device (3) are including locating on the foreleg and transversely extending locating lever (31), rotate around eleventh axis (K) on push rod (13) and be connected with trip (32), when children's shallow expandes, trip (32) and locating lever (31) buckle and make and lock each other between push rod (13) and foreleg (11), and when children's shallow was folding, trip (32) break away from and make push rod (13) and foreleg (11) can rotate back leg (12) relatively, still be equipped with in push rod (13) and enable elastic reset element (33) that trip (32) reset.

8. The stroller of claim 7, wherein: the push rod (13) is also connected with a hand push handle (16) which can slide in the push rod and push the hook (32) to rotate when sliding so as to enable the hook (32) to be separated from the positioning rod (31).

9. The stroller of claim 4, wherein: the child stroller is characterized in that a locking device (4) capable of locking the seat assembly (23) in an unfolding state when the seat assembly (23) is unfolded and enabling the seat assembly (23) to be kept in the unfolding state is further arranged between the backrest (232) and the armrest frame (233), the locking device (4) comprises a left shell portion (41) arranged on the backrest (232) and a right shell portion (42) arranged on the armrest frame (233), a containing cavity (43) is formed by the left shell portion (41) and the right shell portion (42) in a surrounding mode, spline grooves (44) are respectively formed in the inner walls of the left shell portion (41) and the right shell portion (42), splines (45) are arranged in the containing cavity (43), a jacking piece (46) capable of pushing the splines (45) to slide transversely and be separated from the spline grooves (44) in the right shell portion (42) is arranged on the armrest frame (233), and jacking pieces (45) capable of jacking the splines (45) and enabling the splines to be jacked with the left shell portion (41) and the left shell portion (41) when the child stroller is in the The spring (47) that spline groove (44) on portion (42) block simultaneously, be equipped with on top pressure piece (46) and push up pushing part (461) that can push up spline (45) horizontal slip after pressing the promotion, still be equipped with elasticity reset piece (48) between top pressure piece (46) and handrail frame (233).

10. The stroller of claim 1, wherein: the transmission rod (15) is arranged in a circular arc shape, and the opening faces the rear of the stroller.