CN215553496U

CN215553496U - Brake device for baby carriage

Info

Publication number: CN215553496U
Application number: CN202122005349.2U
Authority: CN
Inventors: 严思建
Original assignee: Zhongshan Shaoxiawang Plastic Products Co ltd
Current assignee: Zhongshan Shaoxiawang Plastic Products Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a brake device for a baby carriage, wherein a brake piece capable of being clamped with or separated from a brake disc is movably arranged on a wheel fork, a pushing piece capable of abutting against or separating from the brake piece and applying external force to the brake piece to clamp the brake piece with the brake disc is connected to a bracket assembly in a sliding manner, when a locking mechanism locks the wheel fork relative to the bracket assembly, the positions of the brake piece and the pushing piece are corresponding, the pushing piece is operated to slide downwards relative to the bracket assembly, the pushing piece pushes the brake piece to move towards one side of the brake disc relative to the wheel fork until the brake disc is locked to realize braking, and meanwhile, the brake piece compresses a spring to enable the spring to have elastic restoring force; when the pushing piece is loosened, the spring drives the brake piece to move towards one side far away from the brake disc to be separated from the brake disc, and the brake disc is released.

Description

Brake device for baby carriage

[ technical field ] A method for producing a semiconductor device

The utility model relates to a brake device for a baby carrier.

[ background of the utility model ]

The baby stroller with the reversible handlebar has the advantages that the front direction and the rear direction of the baby stroller can be changed according to use requirements in the using process, the directional wheels can be changed into the universal wheels, the universal wheels are changed into the directional wheels, namely when the handlebar is in the forward direction, the two rear wheels are used as the directional wheels, the two front wheels are used as the universal wheels, when the handlebar is in the reverse direction, the two rear wheels are used as the universal wheels, and the two front wheels are used as the directional wheels. In addition, the children stroller is generally braked by feet when in braking, the brake device is arranged on the directional wheel, and for the children stroller with the handlebar capable of being reversed, the brake device is arranged on each wheel to ensure the safety in use because each wheel can be used as the directional wheel. However, in the braking process, the user is required to operate the corresponding braking device on each wheel to brake the wheels, which has the problems of complicated operation and inconvenient use.

Therefore, the present invention has been made in view of the above problems.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art, and provides the brake device for the baby carrier, which can realize one-foot double braking and has the characteristics of convenience in operation and reasonable design.

The utility model is realized by the following technical scheme:

a brake device for a baby carrier comprises a wheel fork 2 which is rotationally connected with a bracket assembly 1 through a pivot 100, wherein a locking mechanism 3 which can lock or unlock the wheel fork 2 relative to the bracket assembly 1 is arranged between the wheel fork 2 and the bracket assembly 1; the wheel fork 2 is connected with a wheel 4, the wheel 4 is provided with a brake disc 41, the wheel fork 2 is movably provided with a brake piece 21 which can be clamped with or separated from the brake disc 41, the bracket component 1 is slidably connected with a pushing piece 11 which can be abutted against or separated from the brake piece 21 and can apply external force to the brake piece 21 to clamp the brake piece with the brake disc 41, and a spring 23 which can reset the brake piece 21 is arranged between the brake piece 21 and the wheel fork 2.

The brake device for the baby carriage is characterized in that the brake piece 21 comprises a brake shaft 211 which can be clamped with or separated from a brake disc 41, and the brake shaft 211 is connected with a connecting block 22; the fork 2 is provided with a sliding chute 20 for the sliding of the connecting block 22, one end of the spring 23 is connected with the lower end of the connecting block 22, and the other end of the spring 23 is connected with the bottom wall of the sliding chute 20; the pushing member 11 is engaged with the connecting block 22.

The brake device for the baby carriage is characterized in that the wheel fork 2 is provided with a limit opening 201 communicated with the sliding groove 20, and the brake shaft 211 is positioned in the limit opening 201.

The brake device for a stroller as described above is characterized in that the brake disc 41 is provided with a plurality of brake grooves 411 along the circumferential direction thereof at intervals, into which the brake shaft 211 is inserted to fix the wheel 4 to the fork 2.

The brake device for the baby carriage is characterized in that the upper end of the connecting block 22 is provided with a first inclined surface 221, and the lower end of the pushing member 11 is provided with a second inclined surface 111 which can be matched with the first inclined surface 221 to push the connecting block 22 when the pushing member 11 slides downwards relative to the bracket assembly 1.

The brake device for the baby carriage is characterized in that the locking mechanism 3 comprises a movable locking hole 31 arranged on the wheel fork 2, a static locking hole 32 capable of aligning or dislocating with the movable locking hole 31 is arranged on the bracket assembly 1, a locking shaft 33 capable of penetrating through the movable locking hole 31 and the static locking hole 32 simultaneously to lock the wheel fork 2 relative to the bracket assembly 1 is arranged between the bracket assembly 1 and the wheel fork 2, and one end of the locking shaft 33 is connected with an unlocking piece for operation of a user.

The brake device for the baby carriage is characterized in that the bracket assembly 1 is provided with a strip-shaped groove 12, the strip-shaped groove 12 is connected with sliding blocks 13 in a sliding manner, a pedal rod 14 is arranged between the two sliding blocks 13, and the pedal rod 14 is provided with pedals 141; the pushing member 11 is disposed between the pedal lever 14 and the sliding block 13.

The brake device for the baby carriage is characterized in that the bracket component 1 is provided with a blocking structure 5 which can block the sliding block 13 from sliding upwards when the sliding block 13 slides downwards so that the brake piece 21 blocks the brake disc 41.

The brake device for the baby carriage is characterized in that the blocking structure 5 is a blocking protrusion which is arranged on the inner wall of the strip-shaped groove 12 and can be matched with the sliding block 13, and the lower end part of the sliding block 13 is provided with a first guide inclined surface 131 which is matched with the blocking protrusion when the sliding block 13 slides downwards.

The brake device for the baby carriage is characterized in that the bracket assembly 1 is provided with a locking groove 10 communicated with the strip-shaped groove 12, and the locking groove 10 is slidably connected with a sliding seat 101 which is connected with a sliding block 13 to prevent the sliding block 13 from being separated from the bracket assembly 1.

Compared with the prior art, the utility model has the following advantages:

1. the utility model is through having the brake piece that can be engaged with or disengaged from the brake disc movably on the wheel fork, connect with can lean against or separate with the brake piece and can exert the external force to the brake piece to make it engage with brake disc pushing the piece slidably at the same time on the said bracket assembly, when the locking mechanism locks the wheel fork relative to bracket assembly, the position of brake piece and pushing the piece at this moment is corresponding, operate the pushing the piece and slip downward relative to bracket assembly, pushing the piece and pushing the brake piece and moving toward one side of brake disc relative to the wheel fork, until locking the brake disc and realizing braking, the brake piece compresses the spring and makes the spring have an elastic restoring force at the same time; when the pushing piece is loosened, the spring drives the brake piece to move towards one side far away from the brake disc to be separated from the brake disc, so that the brake disc is released. When the locking mechanism is in an unlocking state and the wheel fork can rotate relative to the bracket component, the brake piece and the pushing piece are in a separation state, so that the brake piece and the pushing piece do not interfere with each other when the brake piece rotates along with the wheel fork by taking the pivot as a rotating shaft. The child stroller with the four wheels can be used as a directional wheel, one-foot double-brake can be realized, and the child stroller has the advantages of being convenient to operate, reasonable in design, simple in structure and stable in work.

2. The wheel fork is provided with a sliding groove for the connecting block to slide, so that the connecting block can stably and smoothly slide relative to the wheel fork.

3. The wheel fork is provided with a limiting port communicated with the sliding groove, the brake shaft is positioned in the limiting port, and the brake member can be prevented from sliding out of the opening of the sliding groove and separating from the wheel fork through the matching of the brake shaft and the inner side wall of the limiting port, so that the working stability of the brake device is ensured.

[ description of the drawings ]

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial schematic structural diagram of the present invention.

FIG. 3 is a second partial schematic view of the present invention.

Fig. 4 is a partial detail view of the present invention.

FIG. 5 is a cross-sectional view of the slider of the present invention.

Fig. 6 is a partial cross-sectional view of one embodiment of the present invention.

Fig. 7 is a partial sectional view of the second embodiment of the present invention.

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 7.

As shown in fig. 1-7, the brake device for a stroller of the present invention comprises a fork 2 rotatably connected to a frame assembly 1 via a pivot 100, wherein a locking mechanism 3 capable of locking or unlocking the fork 2 with respect to the frame assembly 1 is disposed between the fork 2 and the frame assembly 1; the wheel fork 2 is connected with a wheel 4, the wheel 4 is provided with a brake disc 41, the wheel fork 2 is movably provided with a brake piece 21 which can be clamped with or separated from the brake disc 41, the bracket component 1 is slidably connected with a pushing piece 11 which can be abutted against or separated from the brake piece 21 and can apply external force to the brake piece 21 to clamp the brake piece with the brake disc 41, and a spring 23 which can reset the brake piece 21 is arranged between the brake piece 21 and the wheel fork 2.

When the locking mechanism 3 locks the fork 2 relatively to the bracket assembly 1, the positions of the connecting block 22 and the pushing piece 11 correspond to each other, and when the locking mechanism 3 is unlocked to enable the fork 2 to rotate relatively to the bracket assembly 1, the positions of the connecting block 22 and the pushing piece 11 change along with the rotation of the fork 2.

As shown in fig. 1-7, the brake member 21 capable of engaging with or disengaging from the brake disc 41 is movably disposed on the wheel fork 2, and the support assembly 1 is slidably connected with the pushing member 11 capable of abutting against or disengaging from the brake member 21 and applying an external force to the brake member 21 to engage with the brake disc 41, when the locking mechanism 3 locks the wheel fork 2 with respect to the support assembly 1, the positions of the brake member 21 and the pushing member 11 are corresponding at the moment, the pushing member 11 is operated to slide downward with respect to the support assembly 1, the pushing member 11 pushes the brake member 21 to move toward the side of the brake disc 41 with respect to the wheel fork 2 until the brake disc 41 is locked to realize braking, and the brake member 21 compresses the spring 23 to make the spring 23 have an elastic restoring force; when the pushing piece 11 is released, the spring 23 drives the brake 21 to move away from the brake disc 41 and separate from the brake disc 41, so that the brake disc 41 is released. When the locking mechanism 3 is in the unlocked state and the fork 2 can rotate relative to the bracket assembly 1, the brake piece 21 and the pushing piece 11 do not interfere with each other when the brake piece 21 rotates with the fork 2 around the pivot 100 because the brake piece 21 and the pushing piece 11 are in the separated state. The child stroller with the four wheels can be used as a directional wheel, one-foot double-brake can be realized, and the child stroller has the advantages of being convenient to operate, reasonable in design, simple in structure and stable in work.

The brake piece 21 comprises a brake shaft 211 which can be clamped or separated with the brake disc 41, and the brake shaft 211 is connected with a connecting block 22; the fork 2 is provided with a sliding chute 20 for the sliding of the connecting block 22, one end of the spring 23 is connected with the lower end of the connecting block 22, and the other end of the spring 23 is connected with the bottom wall of the sliding chute 20; the pushing member 11 is engaged with the connecting block 22. According to the utility model, the wheel fork is provided with the sliding chute for the connecting block to slide, so that the connecting block can stably slide relative to the wheel fork, and when the brake shaft is clamped with the brake disc, the side wall of the sliding chute is matched with the connecting block, so that the brake disc is more stable relative to the wheel fork.

The wheel fork 2 is provided with a limiting port 201 communicated with the sliding groove 20, the brake shaft 211 is positioned in the limiting port 201, and the brake piece can be prevented from sliding out of the opening of the sliding groove and being separated from the wheel fork through the matching of the brake shaft and the inner side wall of the limiting port, so that the working stability of the brake device is ensured.

The brake disc 41 is provided with a plurality of brake grooves 411 which are distributed along the circumferential direction at intervals and used for clamping the brake shaft 211 so as to fix the wheel 4 relative to the wheel fork 2, and the wheel can be better braked by clamping the brake shaft and the brake grooves.

In order to push the connecting block better, the upper end of the connecting block 22 is provided with a first inclined surface 221, and the lower end of the pushing member 11 is provided with a second inclined surface 111 which can be matched with the first inclined surface 221 to push the connecting block 22 when the pushing member 11 slides downwards relative to the bracket assembly 1.

Locking mechanical system 3 is including establishing the dynamic locking hole 31 on fork 2, be equipped with on bracket component 1 and can align or the quiet locking hole 32 of dislocation with dynamic locking hole 31, be equipped with between bracket component 1 and the fork 2 and wear to establish simultaneously in order to set up the locking axle 33 of the relative bracket component 1 locking of fork 2 with dynamic locking hole 31 and quiet locking hole 32, locking axle 33 one end is connected with the unblock piece that supplies the user to operate. When the brake device is used, the operation wheel fork rotates relative to the support component, the linear motion locking hole 31 is aligned with the static locking hole 32, then the operation locking shaft penetrates through the locking hole 31 and the static locking hole 32 to lock the wheel fork relative to the support component, and the positions of the brake piece and the pushing piece are corresponding at the moment, namely the pushing piece can push the brake piece to enable the brake piece to be clamped with a brake disc, so that the wheel is braked. When the locking mechanism needs to be unlocked, the unlocking piece is only needed to be operated to drive the locking shaft to be separated from the movable locking hole 31, so that the locking mechanism can be unlocked, and the operation is convenient and fast.

For convenience in operation, the bracket assembly 1 is provided with a strip-shaped groove 12, the strip-shaped groove 12 is connected with sliding blocks 13 in a sliding manner, a pedal lever 14 is arranged between the two sliding blocks 13, and a pedal 141 is arranged on the pedal lever 14; the pushing member 11 is disposed between the pedal lever 14 and the sliding block 13.

In order to better brake the brake disc and prevent the brake piece from separating from the brake disc, the bracket assembly 1 is provided with a blocking structure 5 which can block the sliding block 13 from sliding upwards when the sliding block 13 slides downwards so that the brake piece 21 brakes the brake disc 41.

Stop structure 5 for establish on bar groove 12 inner wall can with sliding block 13 complex stop protruding, sliding block 13 lower tip is equipped with when sliding block 13 glides downwards with stop protruding complex first direction inclined plane 131. By providing the first guide slope 131 on the slide block 13, the slide block can be made to slide downward.

In order to prevent the sliding block from breaking away from the bar inslot, ensure brake equipment job stabilization, be equipped with on the bracket component 1 with the communicating locking groove 10 in bar groove 12, locking groove 10 sliding connection have with sliding block 13 be connected with the sliding seat 101 that prevents sliding block 13 and bracket component 1 and break away from.

The working principle is as follows:

when the wheel fork 2 is locked by the locking mechanism 3 relative to the bracket assembly 1, a user presses the pedal 141 with the sole of the foot to enable the sliding block 13 to slide downwards relative to the bracket assembly 1 along the strip-shaped groove 12, when the sliding block 13 slides to the lower side of the blocking protrusion, the blocking protrusion is matched with the sliding block 13 to block the sliding block 13 from sliding upwards, the pedal rod 14 drives the pushing piece 11 to move downwards, so that the second inclined surface 111 of the pushing piece 11 is matched with the first inclined surface 221 of the connecting block 22 to push the connecting block 22 to slide towards one side of the brake disc 41 relative to the wheel fork 2, and meanwhile, the connecting block 22 and the sliding groove 20 compress the spring 23 to enable the spring 23 to have elastic restoring force, so that the brake shaft 211 is clamped into the brake groove 411 of the brake disc 41, and the wheel is locked;

when the brake needs to be released, the user's instep hooks the pedal lever 14 to slide upwards along the bar-shaped groove 12 relative to the bracket assembly 1, so that the sliding block 13 slides to the upper side of the blocking protrusion, at this moment, the pushing member 11 is separated from the connecting block 22 to cancel the external force to the connecting block 22, and then the pushing member 22 pushes the connecting block 22 together with the brake shaft 211 to slide towards the side far away from the brake groove 411 due to the elastic restoring force of the spring 23 itself, so that the brake shaft 211 is separated from the brake groove 411, and the brake release is realized.

Claims

1. A brake device for a baby carrier is characterized by comprising a wheel fork (2) which is rotatably connected with a bracket assembly (1) through a pivot (100), wherein a locking mechanism (3) which can lock or unlock the wheel fork (2) relative to the bracket assembly (1) is arranged between the wheel fork (2) and the bracket assembly (1); be connected with wheel (4) on wheel fork (2), be equipped with brake disc (41) on wheel (4), be equipped with brake piece (21) that can block or break away from with brake disc (41) on wheel fork (2) with moving about, be connected with on bracket component (1) slidable and support to lean on or separate and can exert outside force to brake piece (21) and make its top push member (11) with brake disc (41) block, be equipped with between brake piece (21) and wheel fork (2) and enable its spring (23) that reset.

2. A brake device for children's carriage according to claim 1, wherein said brake member (21) comprises a brake shaft (211) capable of engaging with or disengaging from a brake disc (41), said brake shaft (211) being connected with a connecting block (22); the wheel fork (2) is provided with a sliding groove (20) for the connecting block (22) to slide, one end of the spring (23) is connected with the lower end of the connecting block (22), and the other end of the spring (23) is connected with the inner bottom wall of the sliding groove (20); the pushing piece (11) is matched with the connecting block (22).

3. The brake device for the baby carriage according to claim 2, wherein the wheel fork (2) is provided with a limit opening (201) communicated with the sliding groove (20), and the brake shaft (211) is positioned in the limit opening (201).

4. A brake device for children's carriage according to claim 2, characterized in that a plurality of brake grooves (411) for the brake shaft (211) to be inserted into to fix the wheel (4) relative to the wheel fork (2) are distributed along the brake disc (41) at intervals along the circumference thereof.

5. A brake device for children's carriage according to claim 2, wherein the upper end of the connecting block (22) is provided with a first inclined surface (221), and the lower end of the pushing member (11) is provided with a second inclined surface (111) capable of cooperating with the first inclined surface (221) to push the connecting block (22) when the pushing member (11) slides downward relative to the bracket assembly (1).

6. A braking device for children's carriage according to claim 1, characterized in that the locking mechanism (3) includes a movable locking hole (31) formed on the wheel fork (2), the bracket assembly (1) is provided with a static locking hole (32) capable of aligning or dislocating with the movable locking hole (31), a locking shaft (33) capable of passing through the movable locking hole (31) and the static locking hole (32) simultaneously to lock the wheel fork (2) relative to the bracket assembly (1) is arranged between the bracket assembly (1) and the wheel fork (2), and one end of the locking shaft (33) is connected with an unlocking member for user operation.

7. A braking device for a baby carriage according to any one of claims 1 to 6, characterized in that the bracket assembly (1) is provided with a strip-shaped groove (12), the strip-shaped groove (12) is connected with a sliding block (13) in a sliding way, a foot lever (14) is arranged between the two sliding blocks (13), and the foot lever (14) is provided with a pedal (141); the pushing piece (11) is arranged between the pedal rod (14) and the sliding block (13).

8. A braking device for children's carriages according to claim 7, characterized in that said carriage assembly (1) is provided with blocking means (5) able to block the upward sliding of the sliding block (13) when the sliding block (13) slides downwards so that the braking member (21) brakes the disc (41).

9. A brake device for children's carriage according to claim 8, wherein said stopping means (5) is a stopping protrusion provided on the inner wall of the strip-shaped groove (12) to be engaged with the sliding block (13), and the lower end of the sliding block (13) is provided with a first guiding slope (131) to be engaged with the stopping protrusion when the sliding block (13) is slid downward.

10. A braking device for children's carriages according to claim 7, characterized in that the carriage assembly (1) is provided with a locking groove (10) communicating with the strip-shaped groove (12), said locking groove (10) being slidably connected with a sliding seat (101) connected with the sliding block (13) to prevent the sliding block (13) from disengaging from the carriage assembly (1).