Braking system and child stroller

Abstract

The utility model relates to the technical field of child strollers, and discloses a brake system and a child stroller, wherein the brake system has a braking state and a brake-released state, and the brake system comprises: a mounting body; a locking module, which is movably arranged on the mounting body, and when the brake system is in the braking state, the locking module extends to the wheel to brake the wheel; a pedal and a transmission mechanism, wherein the pedal is movably arranged on the mounting body, and the transmission mechanism comprises a transmission gear, and the transmission gear is movably connected to the pedal; when the brake system is in the braking state, stepping on the pedal can drive the transmission gear to retract the locking module to switch the brake system to the brake-released state; when the brake system is in the brake-released state, stepping on the pedal can drive the transmission gear to extend the locking module to the wheel to switch the brake system to the brake state. The utility model has the advantages that the brake system can realize braking and brake-release by stepping on the pedal, and the operation is simple, the action consistency is good, and the user's comfort is high.

Description

Technical Field

[0001] The utility model relates to the technical field of child strollers, in particular to a brake system and a child stroller. Background Art

[0002] A brake system is usually installed on the rear wheel side of the stroller. Under normal use, the brake system is in the released state; when the stroller needs to be parked, the brake system is switched to the brake state to ensure the parking stability of the stroller.

[0003] A common implementation of the brake system of an existing stroller is that when braking is required, the user steps on the brake pedal to switch the brake system to the braking state. When releasing the brake, the user hooks the brake pedal with his foot to switch the brake system to the releasing state. This implementation of stepping on the brake and hooking the brake pedal to release the brake is inconvenient for the user to use the foot to release the brake, and it is also easy to dirty the inclined surface; in addition, the brake pedal does not reset after the brake system is applied, and the user's operating comfort is poor. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a braking system and a child stroller which are convenient to brake and release, comfortable to use, and capable of cyclic braking and releasing.

[0005] The technical solution adopted by the utility model to solve the technical problem is to propose a brake system which can be configured on the frame of a child stroller and has a braking state and a brake release state. When the brake system is in the braking state, the brake system can brake several wheels on the child stroller. The brake system includes:

[0006] A mounting body, which can be mounted on the frame of the child stroller;

[0007] A locking module is movably arranged on the mounting body, and when the brake system is in the braking state, the locking module extends to the wheel to brake the wheel; when the brake system is switched to the release state, the locking module retracts from the wheel to the mounting body to release the brake on the wheel;

[0008] A pedal and a transmission mechanism, wherein the pedal is movably arranged on the mounting body, the transmission mechanism is arranged between the pedal and the locking module, and the transmission mechanism comprises a transmission gear, and the transmission gear is movably connected to the pedal;

[0009] When the brake system is in the braking state, stepping on the pedal can drive the transmission gear to retract the locking module to switch the brake system to the released state; when the brake system is in the released state, stepping on the pedal can drive the transmission gear to extend the locking module toward the wheel to switch the brake system to the braking state.

[0010] Furthermore, the footrest is rotatably arranged on the mounting body, and a return spring is arranged between the footrest and the mounting body;

[0011] When the pedal is stepped on, the pedal rotates relative to the mounting body and the return spring is deformed; when the pedal is released, the elastic force of the return spring causes the pedal to return to its initial position.

[0012] Furthermore, the pedal is provided with a driving block which is integrally or separately provided with the pedal, and the transmission gear is provided with a plurality of parking grooves along its own circumference, and the driving block movably rests against the parking grooves;

[0013] Stepping on the pedal can drive the transmission gear to transmit and drive the driving block to switch between the plurality of parking slots.

[0014] Furthermore, the parking groove has an inclined surface, and the driving block is movably attached to the inclined surface.

[0015] Furthermore, stepping on the pedal can drive the transmission gear to rotate in one direction.

[0016] Further, the locking module includes a first locking module and a second locking module;

[0017] By stepping on the pedal, the pedal can drive the first locking module and the second locking module to synchronously extend and retract through the transmission mechanism, so as to synchronously brake two different wheels, or synchronously release the brakes on two different wheels.

[0018] Furthermore, the transmission gear is provided with a plurality of first push parts and a plurality of second push parts along its circumference, and an inclined wall is provided between the first push parts and the second push parts;

[0019] When the first pushing portion pushes against the first locking module, the first locking module locks the wheel to brake the wheel; when the second pushing portion pushes against the first locking module, the first locking module retracts from the wheel to the mounting body to release the brake on the wheel.

[0020] Furthermore, the transmission mechanism includes a meshing gear, a cable and a push wheel, the meshing gear is meshed with the transmission gear, one end of the cable is connected to the meshing gear, and the other end of the cable is connected to the push wheel, the push wheel is movably opposed to the second locking module, and the push wheel can drive the second locking module to telescope.

[0021] Further, the first locking module and the second locking module each include a locking pin, a spring and a floating pin, and the spring is arranged between the floating pin and the locking pin.

[0022] The utility model solves the technical problem by adopting a technical solution, and also proposes a baby stroller, comprising:

[0023] A frame, wherein the bottom of the frame is provided with a front wheel and a rear wheel respectively;

[0024] The above-mentioned brake system, wherein the mounting body is mounted on the frame and is located on a side close to the rear wheel;

[0025] When the brake system is in the braking state, the locking module extends into the rear wheel to brake the rear wheel.

[0026] Compared with the prior art, the utility model has at least the following beneficial effects:

[0027] In the utility model, when braking is required, the user can drive the locking module to extend toward the wheel and brake the wheel by stepping on the pedal; when the user needs to release the brake, the user can drive the locking module to retract toward the installation body by stepping on the pedal, and detach from the wheel to release the brake on the wheel. Both braking and releasing the brake can be achieved by stepping on the pedal, that is, stepping on the pedal can achieve cyclic braking and releasing the brake, which is simple for the user to operate, has good consistency of action, and is highly comfortable, and can also prevent the foot from hooking the pedal and dirtying the user's shoe surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the structure of the brake system of the utility model configured on a child stroller;

[0029] Figure 2 It is a structural schematic diagram of the brake system (in braking state);

[0030] Figure 3 This is an exploded schematic diagram of the brake system;

[0031] Figure 4 An assembly diagram of a pedal, a transmission gear, an engagement gear and a first locking module;

[0032] Figure 5 for Figure 4 A schematic diagram of the structure from another perspective;

[0033] Figure 6 Schematic diagram of the exploded view of the pedals, transmission gears, meshing gears and part of the installation body.

[0034] In the figure:

[0035] 1. Installation body; 11. Left installation seat; 12. Right installation seat; 13. Connecting rod; 14. Cover body;

[0036] 2A, first locking module; 2B, second locking module; 21, locking pin; 22, spring; 23, floating pin;

[0037] 3. Foot pedal; 30. Return spring; 31. Driving block;

[0038] 4. Transmission mechanism; 41. Transmission gear; 410. Parking groove; 411. Inclined surface; 412. First push portion; 413. Second push portion; 414. Inclined wall; 42. Meshing gear; 43. Cable; 44. Push wheel; 45. Brake spring;

[0039] 5. Frame; 51. Front wheel; 52. Rear wheel. DETAILED DESCRIPTION

[0040] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0041] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0045] Embodiment 1:

[0046] like Figure 1-Figure 6 As shown, a brake system of this embodiment can be configured on the frame 5 of the child stroller, specifically, it can be configured on the side of the frame 5 close to the rear wheel 52, for braking the rear wheel 52. The brake system has a braking state and a brake release state. When the brake system is in the braking state, the brake system can brake several wheels on the child stroller. The brake system of this embodiment can brake two rear wheels 52 at the same time to ensure its stability when docked. The brake system mainly includes: a mounting body 1, a locking module, a pedal 3 and a transmission mechanism 4, wherein the mounting body 1 mainly includes: a left mounting seat 11, a right mounting seat 12, a connecting rod 13 and two cover bodies 14 respectively arranged on the left mounting seat 11 and the right mounting seat 12; the locking module mainly includes: a first locking module 2A and a second locking module 2B; the transmission mechanism 4 mainly includes: a transmission gear 41, a meshing gear 42, a cable 43, a push wheel 44 and a brake spring 45.

[0047] like Figure 1-Figure 3 As shown, the mounting body 1 can be fixedly mounted on the frame 5 of the stroller to achieve the connection between the entire brake system and the frame 5, wherein the mounting body 1 includes a left mounting seat 11, a connecting rod 13, a right mounting seat 12 and two covers 14, one cover 14 is mounted on the left mounting seat 11, and the other cover 14 is mounted on the right mounting seat 12. The left mounting seat 11 is used for mounting components such as the second locking module 2B and the push wheel 44, and the right mounting seat 12 is used for mounting components such as the first locking module 2A, the transmission gear 41 and the meshing gear 42.

[0048] The locking module is movably arranged on the installation body 1. When the brake system is in a braking state, the locking module extends to the wheel to brake the wheel; when the brake system is switched to a brake release state, the locking module retracts from the wheel to the installation body 1 to release the brake on the wheel. At this time, the locking module retracts from the wheel and no longer locks the wheel, and the wheel can rotate. Optimally, the locking module of this embodiment includes a first locking module 2A and a second locking module 2B, and the first locking module 2A and the second locking module 2B both include a locking pin 21, a spring 22 and a floating pin 23, and the spring 22 is arranged between the floating pin 23 and the locking pin 21. Both locking modules use the spring 22 to form a flexible lock, which can effectively avoid the occurrence of a stuck situation and improve the user experience. During use, the foot is stepped on the pedal 3, and the pedal 3 can drive the first locking module 2A and the second locking module 2B to move synchronously through the transmission mechanism 4, so as to synchronously brake two different wheels, or synchronously release the brakes on two different wheels. That is, by stepping on one pedal 3, the braking of two wheels can be realized, and the braking is performed synchronously, the operation is simple, and high locking stability can be ensured.

[0049] The pedal 3 is movably arranged on the mounting body 1, specifically, the pedal 3 is rotatably arranged on the mounting body 1, and the transmission mechanism 4 is arranged between the pedal 3 and the locking module. The pedal 3 controls the action of the locking module through the transmission mechanism 4, wherein the transmission mechanism 4 includes a transmission gear 41, and the transmission gear 41 is movably connected with the pedal 3. During use, when the brake system is in a braking state, stepping on the pedal 3 can drive the transmission gear 41 to retract the locking module to switch the brake system to a brake-released state. When the brake system is in a brake-released state, stepping on the pedal 3 can drive the transmission gear 41 to extend the locking module toward the wheel to switch the brake system to a brake state.

[0050] In the brake system of this embodiment, when braking is required, the user can drive the locking module to extend toward the wheel and brake the wheel by stepping on the pedal 3; when the user needs to release the brake, the user can drive the locking module to retract toward the installation body 1 by stepping on the pedal 3, and disengage from the wheel to release the brake on the wheel. Both braking and releasing the brake can be achieved by stepping on the pedal 3, that is, stepping on the pedal 3 can achieve cyclic braking and releasing the brake, which is simple for the user to operate, has good consistency of action, and is highly comfortable, and can also prevent the foot from hooking the pedal 3 and dirtying the user's shoe surface.

[0051] like Figure 2-Figure 6As described, the pedal 3 of this embodiment is rotatably arranged on the installation body 1, and a return spring 30 is arranged between the pedal 3 and the installation body 1. When the pedal 3 is stepped on, the pedal 3 rotates relative to the installation body 1, and the return spring 30 is deformed; when the pedal 3 is released, the elastic force of the return spring 30 restores the pedal 3 to its initial position. That is, no matter whether the pedal 3 is stepped on for braking or releasing the brake, as long as the pedal 3 is released after the action is completed, the elastic force of the return spring 30 restores the pedal 3 to its initial position, which is convenient for the user to step on the pedal 3 next time, and can ensure the consistency of the user's braking and releasing actions. Specifically, a driving block 31 is arranged on the pedal 3 in an integral or separate manner with the pedal 3. The driving block 31 of this embodiment is preferably arranged separately from the pedal 3 for convenient manufacturing and processing. The transmission gear 41 is provided with a plurality of parking grooves 410 along its own circumference, and the driving block 31 is movably abutted against the parking grooves 410. When the foot pedal 3 is stepped on, the driving block 31 can push the transmission gear 41 to rotate, and the driving block 31 switches between multiple docking slots 410. During use, the driving block 31 on the foot pedal 3 drives the transmission gear 41 to rotate once, and the driving block 31 enters the next docking slot 410 so that the user can step on the foot pedal 3 next time. More specifically, the docking slot 410 has an inclined surface 411, and the driving block 31 and the inclined surface 411 are movably attached to each other, ensuring that the driving block 31 drives the transmission gear 41 to move smoothly. In this embodiment, stepping on the foot pedal 3 can drive the transmission gear 41 to rotate in one direction, and the transmission gear 41 will not rotate in the other direction, ensuring the stability of the brake system.

[0052] Among them, the transmission gear 41 is provided with a plurality of first push parts 412 and a plurality of second push parts 413 along its circumference, and the plurality of first push parts 412 and the plurality of second push parts 413 are arranged alternately, and there is an inclined wall 414 between the first push parts 412 and the second push parts 413. The setting of the inclined wall 414 ensures that when the transmission gear 41 pushes the first locking module 2A, the first locking module 2A extends smoothly, and ensures that the locking pin 21 in the first locking module 2A is smoothly locked into the wheel. In the specific use process, when the first push part 412 is against the first locking module 2A, the first locking module 2A locks into the wheel to brake the wheel. When the second push part 413 is against the first locking module 2A, the first locking module 2A retracts from the wheel to the installation body 1, releasing the brake on the wheel. That is, the first push portion 412 is closer to the first locking module 2A. It can be understood that the second push portion 413 is a plane, and the first push portion 412 is a protrusion protruding from the plane, ensuring that the first push portion 412 can extend the first locking module 2A to the wheel side for braking.

[0053] The transmission mechanism 4 of this embodiment includes not only the transmission gear 41, but also mainly includes a meshing gear 42, a cable 43, a push wheel 44 and a brake spring 45. The meshing gear 42 meshes with the transmission gear 41, and the rotation of the transmission gear 41 drives the meshing gear 42 to rotate. One end of the cable 43 is connected to the meshing gear 42, and the other end of the cable 43 is connected to the push wheel 44, and the cable 43 passes through the connecting rod 13. The push wheel 44 is movably opposed to the second locking module 2B, and the push wheel 44 can drive the second locking module 2B to telescopic movement, and the push wheel 44 can also push the second locking module 2B to telescopic movement through the inclined surface 411. The brake spring 45 is against the transmission gear 41.

[0054] During use, when the stroller is in normal use, the brake system is in a brake-released state. When the stroller needs to be docked, the user steps on the pedal 3, and the pedal 3 rotates relative to the mounting body 1. The drive block 31 on the pedal 3 drives the transmission gear 41 to rotate (its rotation angle is approximately 45 degrees), and the return spring 30 is deformed at the same time. On the one hand, the right side of the transmission gear 41 directly pushes the first locking module 2A, so that the first push portion 412 acts on the first locking module 2A, and the first locking module 2A extends to the right side of the wheel to brake the right side. On the other hand, the rotation of the transmission gear 41 drives the left meshing gear 42 to rotate (its rotation angle is approximately 180 degrees), and the meshing gear 42 tightens / relaxes the push wheel 44 through the cable 43, and the push wheel 44 drives the second locking module 2B, so that the second locking module 2B extends to the left side of the wheel to brake the left side. After releasing the pedal 3, the return spring 30 drives the pedal 3 to rotate and restore the initial position. When the brake needs to be released, the pedal 3 can be pressed. The brake system can be used cyclically by pressing the pedal once for braking and once for releasing the brake.

[0055] Embodiment 2:

[0056] like Figure 1-Figure 3 As shown, a child stroller mainly comprises:

[0057] A frame 5, wherein a front wheel 51 and a rear wheel 52 are respectively disposed at the bottom of the frame 5, wherein the front wheel 51 is a universal wheel and the rear wheel 52 can only roll forward and backward;

[0058] In the brake system of the first embodiment, the mounting body 1 is mounted on the frame 5 and is located on a side close to the rear wheel 52, and the brake system is used to brake or release the rear wheel 52;

[0059] When the brake system is in a braking state, the locking module extends into the rear wheel 52 to brake the rear wheel 52 . Specifically, the first locking module 2A locks the right rear wheel 52 , and the second locking module 2B locks the left rear wheel 52 .

[0060] In this solution, the brake system can realize a cycle of braking and releasing by stepping on the pedal 3, and the operation of braking and releasing is simple, the action consistency is good, and the user's comfort is high.

Claims

1. A brake system, which can be arranged on the frame of a child stroller, has a braking state and a release state. When the brake system is in the braking state, the brake system can brake several wheels on the child stroller, characterized in that: The brake system comprises: A mounting body, which can be mounted on the frame of the child stroller; A locking module is movably arranged on the mounting body, and when the brake system is in the braking state, the locking module extends to the wheel to brake the wheel; when the brake system is switched to the release state, the locking module retracts from the wheel to the mounting body to release the brake on the wheel; A pedal and a transmission mechanism, wherein the pedal is movably arranged on the mounting body, the transmission mechanism is arranged between the pedal and the locking module, and the transmission mechanism comprises a transmission gear, and the transmission gear is movably connected to the pedal; When the brake system is in the braking state, stepping on the pedal can drive the transmission gear to retract the locking module to switch the brake system to the released state; when the brake system is in the released state, stepping on the pedal can drive the transmission gear to extend the locking module toward the wheel to switch the brake system to the braking state.

2. The brake system according to claim 1, characterized in that: The foot pedal is rotatably arranged on the mounting body, and a return spring is arranged between the foot pedal and the mounting body; When the pedal is stepped on, the pedal rotates relative to the mounting body and the return spring is deformed; when the pedal is released, the elastic force of the return spring causes the pedal to return to its initial position.

3. The brake system according to claim 1, characterized in that: The pedal is provided with a driving block which is integrally or separately provided with the pedal, and the transmission gear is provided with a plurality of parking grooves along its own circumference, and the driving block movably abuts against the parking grooves; Stepping on the pedal can drive the transmission gear to transmit and drive the driving block to switch between the plurality of parking slots.

4. The brake system according to claim 3, characterized in that: The parking groove has an inclined surface, and the driving block is movably attached to the inclined surface.

5. The brake system according to any one of claims 1 to 4, characterized in that: Stepping on the pedal can drive the transmission gear to rotate in one direction.

6. The brake system according to claim 1, characterized in that: The locking module includes a first locking module and a second locking module; By stepping on the pedal, the pedal can drive the first locking module and the second locking module to synchronously extend and retract through the transmission mechanism, so as to synchronously brake two different wheels, or synchronously release the brakes on two different wheels.

7. The brake system according to claim 6, characterized in that: The transmission gear is provided with a plurality of first push parts and a plurality of second push parts along its circumference, and an inclined wall is provided between the first push parts and the second push parts; When the first pushing portion pushes against the first locking module, the first locking module locks the wheel to brake the wheel; when the second pushing portion pushes against the first locking module, the first locking module retracts from the wheel to the mounting body to release the brake on the wheel.

8. The brake system according to claim 6 or 7, characterized in that: The transmission mechanism includes a meshing gear, a cable and a push wheel, the meshing gear is meshed with the transmission gear, one end of the cable is connected to the meshing gear, and the other end of the cable is connected to the push wheel, the push wheel is movably opposed to the second locking module, and the push wheel can drive the second locking module to telescope.

9. The brake system according to claim 6, characterized in that: The first locking module and the second locking module each include a locking pin, a spring and a floating pin, wherein the spring is arranged between the floating pin and the locking pin.

10. A baby stroller, characterized in that: include: A frame, wherein the bottom of the frame is provided with a front wheel and a rear wheel respectively; The brake system according to any one of claims 1 to 9, wherein: The mounting body is mounted on the frame and is located on a side close to the rear wheel; When the brake system is in the braking state, the locking module extends into the rear wheel to brake the rear wheel.

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