CN113276927B

CN113276927B - Children's barrow

Info

Publication number: CN113276927B
Application number: CN202110374992.4A
Authority: CN
Inventors: 王俊马; 朱建东
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-03-29
Filing date: 2021-04-08
Publication date: 2022-07-29
Anticipated expiration: 2041-04-08
Also published as: CN215322797U; CN113276927A

Abstract

The invention discloses a child stroller, which comprises a stroller frame with an unfolded state and a folded state, a plurality of wheels arranged at the bottom of the stroller frame, a locking mechanism for locking the stroller frame in the unfolded state and a brake mechanism for braking part of the wheels, wherein after the locking mechanism is unlocked, the stroller frame can be folded under the action of self gravity, and the brake mechanism can be driven to brake in the unlocking process of the locking mechanism or the folding process of the stroller frame. After the locking mechanism is unlocked, the stroller frame can be folded under the action of self gravity, and any part does not need to be manually operated, so that the folding operation of the stroller is facilitated. In addition, the wheels can be braked by the brake mechanism in the unlocking process of the locking mechanism or the folding process of the stroller frame, so that part of the wheels are braked, the braked wheels cannot move in the folding process of the stroller, the stroller frame is not prone to toppling, the folding operation of the stroller can be smoothly carried out, and the folding operation is achieved.

Description

Children's barrow

Technical Field

The invention relates to the technical field of children products, in particular to a stroller.

Background

The children's shallow carries for the adult less children and carries out outdoor activities and provides very big convenience, for making things convenient for carrying and depositing of children's shallow, and children's shallow generally can both be folded. Most children's shallow when folding among the prior art all need for the people to go to operation part member, and remaining member just can rotate or slide under the linkage of this member and accomplish folding operation. To supporting all the time in the children's shallow on ground at folding in-process wheel, the wheel is all unfixed, removes easily at the folding in-process of children's shallow, and is inconvenient folding, easily emptys during the wheel removes moreover to can't carry out folding operation, especially folding to some do not need manual operation, it is so especially to only rely on self gravity can carry out the children's shallow of folding.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a child stroller, which can be folded under the action of self gravity, and part of wheels are in a braking state in the folding process, so that the folding operation of the child stroller is facilitated.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a children's shallow, is in including having the shallow frame, the setting of expansion and fold condition a plurality of wheels of the bottom of shallow frame, be used for with the locking mechanical system of shallow frame locking under the expansion condition with be used for the part the wheel carries out the brake mechanism of braking, locking mechanical system unblock back, the shallow frame can be folded under self action of gravity, locking mechanical system unblock in-process or shallow frame folding in-process can order about brake mechanism brake, children's shallow still includes locking mechanical system unblock in-process or shallow frame folding in-process orders about the actuating mechanism of brake mechanism brake.

Preferably, the driving mechanism comprises a traction cable and a driving piece, wherein the traction cable and the driving piece can be stretched in the unlocking process of the locking mechanism or the folding process of the cart frame, the driving piece is movably arranged on the cart frame, one end part of the traction cable is fixedly arranged on the driving piece, and the driving piece is matched with the brake mechanism.

Furthermore, brake mechanism includes brake disc and brake subassembly, the brake disc is fixed to be set up on the wheel, the brake subassembly including can with the brake disc comes off the ground complex brake pin with be used for setting up the brake seat of brake pin, the brake seat with the driving piece cooperatees.

Furthermore, a first inclined plane is arranged on the driving part, a second inclined plane matched with the first inclined plane is arranged on the brake seat, and the first inclined plane can be abutted against the second inclined plane.

Furthermore, the brake assembly further comprises a first elastic member, and the two end parts of the first elastic member, which are positioned between the brake pin and the brake base, are respectively arranged on the brake pin and the brake base.

Furthermore, the cart frame comprises a front support, a rear support, a push rod assembly, a vertical rod, a sliding part and a seat rod, wherein two of the three components of the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod assembly are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are rotatably connected with the same shaft, the sliding part is rotatably connected with the rear support, one end portion of the vertical rod is rotatably connected with the lower portion of the push rod assembly, the sliding part can be arranged on the vertical rod in a sliding mode along the length extension direction of the vertical rod, and the seat rod is respectively rotatably connected with the front support and the vertical rod.

Furthermore, the other end of the traction cable is fixedly arranged on the push rod assembly, and after the locking mechanism is unlocked, the push rod assembly rotates backwards and downwards under the action of the self gravity, so that the traction cable is stretched.

Furthermore, the other end of the traction cable is fixedly arranged on the upright post, and the traction cable is stretched when the upright post rotates and slides downwards in the folding process of the cart frame.

In a specific embodiment, the push rod assembly comprises an upper push rod and a lower push rod, the lower portion of the upper push rod is rotatably connected with the upper portion of the lower push rod, two of the three components, namely the upper portion of the front support, the upper portion of the rear support and the lower portion of the lower push rod, are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are rotatably connected through the same shaft, one end portion of the vertical rod is rotatably connected with the lower portion of the lower push rod, and when the upper push rod rotates forwards and is close to the lower push rod, the locking mechanism is driven to be unlocked.

Furthermore, the other end of the traction cable is fixedly arranged on the upper push rod, and when the upper push rod rotates forwards to be close to the lower push rod to drive the locking mechanism to be unlocked, the traction cable is stretched.

Preferably, the wheels include front wheels located at the front part of the bottom of the stroller frame and rear wheels located at the rear part of the bottom of the stroller frame, when the stroller frame is folded, the front wheels and the rear wheels are both supported on the ground, the brake mechanism is used for braking the rear wheels, and the front wheels move relative to the rear wheels.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: in the stroller disclosed by the invention, after the locking mechanism is unlocked, the stroller frame can be folded under the action of the gravity of the stroller frame, and any part does not need to be manually operated, so that the folding operation of the stroller is facilitated. In addition, the wheels can be braked by the brake mechanism in the unlocking process of the locking mechanism or the folding process of the stroller frame, so that part of the wheels are braked, the braked wheels cannot move in the folding process of the stroller, the stroller frame is not prone to toppling, the folding operation of the stroller can be smoothly carried out, and the folding operation is achieved.

Drawings

Fig. 1 is a perspective view of the stroller of the embodiment 1;

fig. 2 is a schematic side view of the stroller of this embodiment 1 (with the brake mechanism in the released state);

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 (with the brake mechanism in an unlocked state);

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic side view of the stroller of embodiment 1 (with the brake mechanism in a braking state);

FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 4 (with the brake mechanism in a braking condition);

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a partially exploded view of a wheel portion of the stroller of embodiment 1 provided with a brake mechanism;

fig. 9 is a schematic view illustrating the arrangement of a traction cable of the stroller of this embodiment 1;

fig. 10 is a schematic view showing the arrangement of a traction cable of the stroller of this embodiment 2 (the stroller is in a deployed state);

fig. 11 is a schematic view showing the arrangement of a traction cable of the stroller of this embodiment 2 (during folding of the stroller);

fig. 12 is a schematic view showing the arrangement of a traction cable of the stroller of this embodiment 3 (the stroller is in a deployed state);

fig. 13 is a schematic view showing the arrangement of a traction cable of the stroller of this embodiment 3 (during folding of the stroller);

fig. 14 is a side view of the stroller in a collapsed position.

Wherein: 11. a front bracket; 12. a rear bracket; 13. a push rod assembly; 131. a push rod is arranged; 132. a lower push rod; 14. erecting a rod; 15. a slider; 16. a seat post; 21. a brake disc; 211. a brake hole; 221. a brake pin; 222. a brake seat; 222a, a second inclined plane; 223. a first elastic member; 23. a second elastic member; 31. a traction cable; 32. a drive member; 321. a first inclined plane; 41. a first shaft; 42. a second shaft; 43. a third axis; 5. a front wheel; 6. a rear wheel.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1 to 9, the stroller of the present invention includes a stroller frame having an unfolded state and a folded state, a plurality of wheels provided at a bottom of the stroller frame, a locking mechanism for locking the stroller frame in the unfolded state, and a braking mechanism for braking a part of the wheels.

The wheels comprise front wheels 5 arranged at the bottom front part of the stroller frame and rear wheels 6 arranged at the bottom rear part of the stroller frame. The brake mechanism can brake the front wheel 5 or the rear wheel 6, and in the embodiment, the brake mechanism brakes the rear wheel 6. The brake mechanism has a braking state and an unlocking state, and when the brake mechanism is in the braking state, the rear wheel 6 brakes and cannot rotate; when the brake mechanism is in the state of releasing the brake, the rear wheel 6 can rotate, thereby changing the position of the baby carriage.

After the locking mechanism of the stroller is unlocked, the stroller frame can be folded under the action of self gravity, so that any part does not need to be manually operated when the stroller is folded, and the folding operation of the stroller is facilitated.

This children's shallow still includes actuating mechanism, and actuating mechanism cooperatees with brake mechanism, orders about brake mechanism brake at locking mechanical system unblock in-process accessible actuating mechanism, can make children's shallow when folding rear wheel 6 keeps motionless like this, and the folding in-process of children's shallow whole car can not take place to slide promptly, and children's shallow is difficult for empting to make things convenient for the folding operation of children's shallow.

As shown in fig. 8, the brake mechanism includes a brake disc 21 and a brake assembly. The brake disc 21 is fixedly arranged on the rear wheel 6 of the wheel, when the rear wheel 6 rotates, the brake disc 21 can be driven to rotate, and when the brake disc 21 brakes, the rear wheel 6 can be synchronously braked. The brake assembly is movably mounted on the frame of the stroller, where the movement is rotational or sliding and is capable of engaging or disengaging the brake disc 21. When the brake component is matched with the brake disc 21, the brake mechanism is in a braking state, and when the matching between the brake component and the brake disc 21 is released, the brake mechanism is in a braking releasing state.

Specifically, the brake disc 21 is provided with a plurality of brake holes 211 at intervals along the circumferential direction of rotation thereof, and the brake assembly comprises a brake pin 221 and a brake seat 222. In this embodiment, the brake pin 221 and the brake seat 222 are slidably disposed on the stroller frame, the brake pin 221 can be engaged with or disengaged from the brake disc 21, and the brake seat 222 is used for disposing the brake pin 221. When the brake pin 221 is inserted into any one of the brake holes 211, the brake mechanism is in a braking state, and when the brake pin 221 is disengaged from the brake hole 211, the brake mechanism is in a releasing state.

A first elastic member 223 is further disposed between the brake pin 221 and the brake base 222, and both ends of the first elastic member 223 are disposed on the brake pin 221 and the brake base 222, respectively. By providing the first elastic member 223, a certain buffering function can be achieved during the braking process of the brake mechanism, so as to prevent the brake pin 221 from directly impacting the brake disc 21 when the brake pin 221 cannot be completely aligned with the brake hole 211.

The brake mechanism further comprises a second elastic member 23 for driving the brake mechanism to switch from a braking state to a braking-released state, and two end portions of the second elastic member 23 are respectively disposed on the brake pin 221 and the cart frame.

As shown in fig. 6, the drive mechanism includes a traction cable 31 and a drive member 32. In this embodiment, the traction cable 31 can be stretched during the unlocking process of the locking mechanism, specifically, one end of the traction cable 31 is fixedly disposed on the driving member 32, and the other end of the traction cable 31 is fixedly disposed on the member for driving the unlocking of the locking mechanism. The driving member 32 is movably disposed on the cart frame, where the movement is also referred to as rotation or sliding, and when the brake mechanism is in the released state, the driving member 32 is engaged with the brake assembly, i.e., the brake base 222. In this embodiment, the driving member 32 is slidably provided on the cart frame.

Specifically, the driving member 32 is provided with a first inclined surface 321, the brake base 222 is provided with a second inclined surface 222a matched with the first inclined surface 321, and when the brake mechanism is in the brake release state, the first inclined surface 321 is abutted to the second inclined surface 222 a. When the driving member 32 slides, the brake holder 222, i.e., the brake pin 221, can be driven to slide by the inclined surface fit between the driving member 32 and the brake holder 222, so that the brake mechanism is in a braking state.

A specific structure of the stroller frame is given in the present embodiment, but the stroller frame is not limited to the structure given in the present embodiment.

Specifically, the stroller frame includes a front bracket 11, a rear bracket 12, a push rod assembly 13, a vertical rod 14, a sliding member 15, and a seat rod 16. The front wheel 5 is mounted on the lower portion of the front bracket 11. The rear wheel 6 is mounted on the lower portion of the rear bracket 12. Two of the three components of the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the push rod assembly 13 are rotatably connected, and the third component is rotatably connected with any one of the two components, or the three components are rotatably connected with the same shaft. The sliding member 15 is rotatably connected to the rear bracket 12, one end of the upright 14 is rotatably connected to the lower portion of the push rod assembly 13, and the sliding member 15 is slidably provided on the upright 14 in the longitudinal extension direction of the upright 14. The seat post 16 is rotatably connected to the front bracket 11 and the upright 14, respectively.

Specifically, the upper portion of the rear bracket 12 and the lower portion of the push rod assembly 13 are rotatably connected by a first shaft 41, the upper portion of the front bracket 11 and the upper portion of the rear bracket 12 are rotatably connected by a second shaft 42, one end portion of the vertical rod 14 and the lower portion of the push rod assembly 13 are rotatably connected by a third shaft 43, and the first shaft 41 is located above the second shaft 42 and below the third shaft 43.

The cart frame further comprises a grab bar 17, and the rear part of the grab bar 17, the upper part of the rear support 12 and the lower part of the push rod assembly 13 are connected with the same shaft in a rotating way through a first shaft 41.

The push rod assembly 13 includes an upper push rod 131 and a lower push rod 132, wherein the lower portion of the upper push rod 131 is rotatably connected to the upper portion of the lower push rod 132, two of the three components, i.e., the upper portion of the front bracket 11, the upper portion of the rear bracket 12, and the lower portion of the lower push rod 132, are rotatably connected, the third component is rotatably connected to any one of the two components, or the three components are rotatably connected in the same axis, and one end portion of the vertical rod 14 is rotatably connected to the lower portion of the lower push rod 132.

In this embodiment, when the upper push rod 131 is rotated forward to be close to the lower push rod 132 to unlock the locking mechanism, the other end of the traction cable 31 is fixedly disposed on the upper push rod 131, as shown in fig. 9. Of course, the push rod assembly 13 may also be an integrated one-rod structure, and the unlocking mechanism may be unlocked by operating an unlocking knob provided on the push rod assembly 13, and at this time, the other end of the pulling cable 31 is fixedly provided on the unlocking knob.

When the stroller is in the unfolded state, the locking mechanism is in the locked state, as shown in fig. 1 and 2, and the braking mechanism can be in the braking-released state, as shown in fig. 2 to 4.

When the stroller needs to be folded, the upper push rod 131 is operated to rotate forward to close the lower push rod 132, the locking mechanism is unlocked when the upper push rod 131 rotates, meanwhile, the traction cable 31 is stretched, the driving element 32 is pulled to slide in a first direction relative to the stroller frame, when the driving element 32 slides, the brake base 222 is driven to slide in a direction close to the brake disc 21 in a second direction perpendicular to the first direction through the cooperation of the inclined surfaces between the driving element 32 and the brake base 222, when the brake base 222 slides, the first elastic element 223 is compressed, when the first elastic element 223 reaches a maximum elastic deformation amount, the brake base 222 continues to slide, the brake pin 221 is driven to slide in the second direction and close to the brake disc 21 until the brake pin 221 is inserted into one of the brake holes 211, the brake mechanism is in a brake state, and the rear wheel 6 remains still. At this time, the upper push rod 131 rotates forward to a proper position, and the locking mechanism is in an unlocked state, as shown in fig. 5 to 7.

Under the action of self gravity, the push rod assembly 13 rotates downwards to be close to the rear support 12, so that the vertical rod 14 rotates relative to the push rod assembly 13 and slides downwards relative to the sliding piece 15, the seat rod 16 pulls the front support 11 to rotate backwards to be close to the rear support 12, the front wheel 5 moves backwards relative to the rear wheel 6 to be close to the rear wheel 6, and finally the folding is shown in fig. 14. In the folding process of the baby stroller, the front wheels 5 and the rear wheels 6 are always supported on the ground, and the rear wheels 6 are kept still, so that the whole baby stroller can not slide, and is not easy to topple and convenient to fold. And the folded stroller can stand on the ground, and the stroller can be kept fixed and cannot topple due to movement when being stored because the brake mechanism still brakes the rear wheel 6.

Example 2

In this embodiment, as shown in fig. 10 and 11, the brake mechanism can be actuated by the driving mechanism during the folding of the stroller frame, i.e. the traction cable 31 can be stretched during the folding of the stroller frame, and the other end of the traction cable 31 is fixedly disposed on a part which rotates and/or slides relative to the other part during the folding of the stroller frame. In the stroller frame structure shown in embodiment 1, the other end of the traction cable 31 is fixedly disposed on the lower push rod 132 and is located at the pivotal connection between the lower push rod 132 and the rear bracket 12.

In this embodiment, the unlocking manner of the lock mechanism can also be the same as in embodiment 1. After the locking mechanism is unlocked, under the action of self gravity, the push rod assembly 13 rotates downwards to be close to the rear support 12, when the push rod assembly 13 rotates, the traction cable 31 is stretched, the traction cable pulls the driving piece 32 to slide relative to the cart frame, so that the braking mechanism is in a braking state, the specific braking process is the same as that of embodiment 1, and the folding process of the cart frame is also the same as that of embodiment 1.

Example 3

As shown in fig. 12 and 13, in this embodiment, the traction cable 31 can be stretched during the folding of the stroller frame as in embodiment 2, and the other end of the traction cable 31 is fixedly provided to a member that rotates and/or slides relative to the other member during the folding of the stroller frame. In the stroller frame structure shown in embodiment 1, the other end of the traction cable 31 is fixedly disposed on the upright 14.

In this embodiment, the unlocking manner of the lock mechanism can also be the same as in embodiment 1. After the locking mechanism is unlocked, under the action of self gravity, the push rod assembly 13 rotates downwards to be close to the rear support 12, so that the upright stanchion 14 rotates relative to the push rod assembly 13 and slides downwards relative to the sliding piece 15, when the upright stanchion 14 rotates and slides downwards, the traction cable 31 is stretched, the traction cable pulls the driving piece 32 to slide relative to the frame of the trolley, and the braking mechanism is in a braking state, the specific braking process is the same as that of embodiment 1, and the folding process of the frame of the trolley is also the same as that of embodiment 1.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A children's shallow, including having the shallow frame of expansion and fold condition, set up a plurality of wheels of the bottom of shallow frame, be used for with locking mechanism under the expansion condition of shallow frame lock and be used for the brake mechanism to part the wheel brakes, its characterized in that: after the locking mechanical system unblock, the shallow frame can be folded under self action of gravity, the locking mechanical system unblock in-process or the shallow frame folding in-process can order about the brake mechanism brake, the children's shallow still includes the locking mechanical system unblock in-process or the shallow frame folding in-process orders about the actuating mechanism of brake mechanism brake, wherein, actuating mechanism includes the locking mechanical system unblock in-process or the shallow frame folding in-process can be by tensile traction cable and driving piece, the driving piece activity sets up on the shallow frame, a tip of traction cable is fixed to be set up on the driving piece, the driving piece with brake mechanism cooperatees.

2. The stroller of claim 1, wherein: brake mechanism includes brake disc and brake subassembly, the brake disc is fixed to be set up on the wheel, the brake subassembly including can with the brake disc takes off the complex brake round pin of leaving with be used for setting up the brake seat of brake round pin, the brake seat with the driving piece cooperatees.

3. The stroller of claim 2, wherein: the brake device is characterized in that a first inclined plane is arranged on the driving piece, a second inclined plane matched with the first inclined plane is arranged on the brake seat, and the first inclined plane can be abutted against the second inclined plane.

4. The stroller of claim 2, wherein: the brake assembly further comprises a first elastic piece, and the two end parts of the first elastic piece are arranged between the brake pin and the brake seat and are respectively arranged on the brake pin and the brake seat.

5. The stroller of claim 1, wherein: the trolley frame comprises a front support, a rear support, a push rod assembly, a vertical rod, a sliding piece and a seat rod, wherein two parts of the three parts of the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod assembly are rotationally connected, the third part is rotationally connected with any one of the two parts, or the three parts are rotationally connected with the same shaft, the sliding piece is rotationally connected with the rear support, one end portion of the vertical rod is rotationally connected with the lower portion of the push rod assembly, the sliding piece can be slidably arranged on the vertical rod along the length extension direction of the vertical rod, and the seat rod is rotationally connected with the front support and the vertical rod respectively.

6. The stroller of claim 5, wherein: the other end of the traction cable is fixedly arranged on the push rod assembly, and after the locking mechanism is unlocked, the push rod assembly enables the traction cable to be stretched when the push rod assembly rotates backwards and downwards under the action of self gravity.

7. The stroller of claim 5, wherein: the other end of the traction cable is fixedly arranged on the vertical rod, and the traction cable is stretched when the vertical rod rotates and slides downwards in the folding process of the cart frame.

8. The stroller of claim 5, wherein: the push rod assembly comprises an upper push rod and a lower push rod, the lower portion of the upper push rod is rotatably connected with the upper portion of the lower push rod, two of the three components of the upper portion of the front support, the upper portion of the rear support and the lower portion of the lower push rod are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are rotatably connected in the same shaft, one end portion of the vertical rod is rotatably connected with the lower portion of the lower push rod, and when the upper push rod rotates forwards and is close to the lower push rod, the locking mechanism is driven to unlock.

9. The stroller of claim 8, wherein: the other end of the traction cable is fixedly arranged on the upper push rod, and when the upper push rod rotates forwards to be close to the lower push rod to drive the locking mechanism to be unlocked, the traction cable is stretched.

10. The stroller of claim 1, wherein: the wheels comprise front wheels positioned at the front part of the bottom of the cart frame and rear wheels positioned at the rear part of the bottom of the cart frame, when the cart frame is folded, the front wheels and the rear wheels are all supported on the ground, the brake mechanism is used for braking the rear wheels, and the front wheels move relative to the rear wheels.