Brake buffer device for bicycle and bicycle

Abstract

The embodiment of the invention provides a brake buffer device for a bicycle and the bicycle, and the brake buffer device comprises a sleeve piece which comprises a positioning groove extending in the axis direction of the device; the buffer piece is arranged in the positioning groove and is provided with a first through hole which is used for a brake cable of the bicycle to penetrate through and extends in the axis direction of the device; the abutting piece is movably arranged in the positioning groove and abuts against the buffering piece, the abutting piece is provided with a second through hole which allows a brake cable to penetrate through and extends in the axis direction of the device, and the end, away from the buffering piece, of the abutting piece in the axis direction of the device is suitable for abutting against a brake cable pipe of the bicycle; the buffering piece can be extruded to deform under the condition that the force applied to the abutting piece by the brake cable pipe exceeds a preset threshold value; the connecting piece is connected to one end, in the device axis direction, of the sleeve piece and suitable for being connected to a brake device of the bicycle, and the connecting piece is provided with a third through hole allowing a brake cable to penetrate through.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to the field of traffic equipment, and more particularly to a brake buffer device for a bicycle and a bicycle. Background Art

[0002] In recent years, with the rapid development of mobile Internet technology and smart mobile terminals, shared bicycles have gradually become a convenient and efficient way of travel. When consumers travel short distances, they usually choose shared bicycles or shared electric bicycles as a means of transportation.

[0003] However, the use scenarios of shared bicycles are relatively complex, such as rainy and snowy weather, gravel roads, bumpy potholes, buffer isolation belts, etc. Therefore, users usually need to perform emergency braking when using shared bicycles. The existing shared bicycles have too high brake sensitivity, and most of the tires used are one-piece outer tires with weak anti-skid performance. Therefore, it is very easy to cause the inner side of the outer tire to slip and the wheel to lock during emergency braking, which poses a great safety hazard. Summary of the invention

[0004] An object of the present disclosure is to provide a brake buffer device for a bicycle and a bicycle to at least partially solve the above problems.

[0005] In a first aspect of the present disclosure, a brake buffer device for a bicycle is provided, characterized in that the brake buffer device comprises: a sleeve member, the sleeve member comprising a positioning groove extending in the device axis direction; a buffer member, arranged in the positioning groove and having a first through hole for a brake line of the bicycle to pass through and extending in the device axis direction; an abutment member, the abutment member is movably arranged in the positioning groove and abuts against the buffer member, the abutment member having a second through hole for the brake line to pass through and extending in the device axis direction, an end of the abutment member away from the buffer member in the device axis direction is suitable for abutting against a brake line pipe of the bicycle, and can squeeze the buffer member to deform when a force applied by the brake line pipe to the abutment member exceeds a predetermined threshold value; and a connecting member, the connecting member is connected to one end of the sleeve member in the device axis direction and is suitable for being connected to the brake device of the bicycle, the connecting member having a third through hole for the brake line to pass through.

[0006] According to the brake buffer device of the embodiment of the present disclosure, by arranging the buffer and the abutment in the sleeve, the brake line tube can apply sufficient pressure to the abutment in the case of emergency braking of the bicycle, and the abutment transmits the pressure to the buffer, compressing the buffer to deform. In this way, the moving speed of the brake line can be slowed down, thereby achieving buffering for emergency braking of the bicycle.

[0007] In some embodiments, the abutment member includes an extension portion and an abutment member, the extension portion is connected to the abutment member and extends into the first through hole, one end of the abutment member facing the extension portion abuts against the buffer member, and one end of the abutment member facing away from the extension portion is suitable for abutting against the brake line pipe. In such an embodiment, the abutment member can reliably transmit the force applied by the brake line pipe to the buffer member.

[0008] In some embodiments, the brake buffer device further comprises a stopper connected to an end of the sleeve member away from the connecting member to prevent the abutting member from coming out of the sleeve member. In such an embodiment, the stopper can reliably limit the abutting member in the sleeve member.

[0009] In some embodiments, the position-limiting member includes a connecting portion and a fixing portion, one end of the connecting portion along the axial direction of the device is connected to the fixing portion, the connecting portion extends into and is connected to the sleeve member, one end of the connecting portion facing away from the fixing portion abuts against the abutting member, and one end of the fixing portion facing the connecting portion abuts against the sleeve member. In such an embodiment, the connecting portion can reliably connect the position-limiting member and the sleeve member, and the fixing portion can prevent the position-limiting member from moving relative to the sleeve member.

[0010] In some embodiments, the stopper has a fourth through hole for the brake line tube to pass through and extending along the axial direction of the device, the fourth through hole is connected to the second through hole and has a larger aperture than the second through hole. In such an embodiment, the brake line tube can reliably move in the third through hole, and the brake line can reliably move in the second through hole.

[0011] In some embodiments, the connector is provided with an external thread, and a nut for connecting the external thread of the connector is provided at one end of the sleeve member facing the connector, and a screw hole is formed in the nut, and the screw hole is connected to the positioning groove. In such an embodiment, the connector can be reliably connected to one end of the sleeve member through the cooperation of the external thread and the screw hole. The external thread and the screw hole include but are not limited to clockwise thread pattern or counterclockwise thread pattern or a design with thread limit locking.

[0012] In some embodiments, the connecting member is integrally formed on the sleeve member. In such an embodiment, the connecting member is integrally formed on the sleeve member, which can reduce the assembly steps of the brake buffer device to a certain extent, and is conducive to improving the industrial production efficiency of the device.

[0013] In some embodiments, the buffer member includes at least one of a spring and a damping rubber. In such embodiments, the spring and the damping rubber can be reliably compressed and deformed as the buffer member and apply elastic force to the abutting member.

[0014] In some embodiments, the damping glue is columnar and includes evenly distributed holes or a combination of holes with different hole shapes. In such an embodiment, the evenly distributed holes provided on the damping glue can make the damping glue more evenly stressed when it is compressed. In addition, the combination of holes with different hole shapes provided on the damping glue can also make the damping glue stably compressed.

[0015] In some embodiments, the hole comprises at least one of an elliptical hole, a circular hole, a square hole, an I-shaped hole and a honeycomb hole. In such an embodiment, the elliptical, circular, square, I-shaped or honeycomb hole can make the damping glue deform more fully when compressed.

[0016] In some embodiments, the damping glue comprises a combination of damping members having different damping materials and different shapes. In such embodiments, the damping glue composed of a combination of damping members having different damping materials and different shapes can meet the working requirements of the brake buffer device in different usage scenarios.

[0017] In some embodiments, the spring comprises at least one of a coil spring, a conical spring and a drum spring. In such embodiments, different types of springs can be used according to the form of the brake buffer device, so that the brake buffer device has different buffering effects on the braking of the bicycle.

[0018] In some embodiments, the buffer member includes a combination of damping glue and metal members with different shapes. In such embodiments, the metal members with different shapes can provide reliable support for the damping glue.

[0019] In a second aspect of the present disclosure, a bicycle is provided, comprising: a brake handle; a front brake; a rear brake; and a brake buffer device according to the first aspect of the present disclosure, wherein the connecting member of the brake buffer device is connected to at least one of the brake handle, the front brake and the rear brake.

[0020] It should be understood that the content described in this content section is not intended to limit the key features or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0022] Figure 1 An exploded schematic diagram of a brake buffer device according to an embodiment of the present disclosure is shown;

[0023] Figure 2 Shows Figure 1 A perspective schematic diagram of the brake buffer device shown;

[0024] Figure 3 An exploded schematic diagram showing a brake buffer device according to another embodiment of the present disclosure; and

[0025] Figure 4 Shows Figure 3 A schematic perspective view of a brake buffer device is shown.

[0026] Description of reference numerals:

[0027] 100 brake buffer device 21 sleeve member

[0028] 22 buffer member 23 abutting member

[0029] 24 limiter 25 connector

[0030] 210 positioning groove 220 first through hole

[0031] 230 second through hole 250 third through hole

[0032] 240 fourth through hole 231 extension

[0033] 232 abutting portion 241 connecting portion

[0034] 242 Fixing part X device axis direction DETAILED DESCRIPTION

[0035] The preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present disclosure more thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art.

[0036] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects.

[0037] As described above, the brake sensitivity of existing shared bicycles is too high, and most of the tires used are one-piece outer tires with poor anti-skid performance. Therefore, it is very easy for the inner side of the outer tire to slip and the wheel to lock during emergency braking, which poses a great safety hazard. An embodiment of the present disclosure provides a brake buffer device for a bicycle. In this scheme, a buffer member and an abutment member are arranged in a sleeve member, so that the brake line pipe can apply sufficient pressure to the abutment member in the event of emergency braking of the bicycle, and the abutment member transfers the pressure to the buffer member, compressing the buffer member to deform. In this way, the movement speed of the brake line can be slowed down, thereby achieving buffering for emergency braking of the bicycle, greatly improving the safety performance of the bicycle. In the following, combined with Figures 1 to 4 The principles of the present disclosure are described.

[0038] Figure 1 An exploded schematic diagram of a brake buffer device according to an embodiment of the present disclosure is shown. Figure 2 Shows Figure 1 A schematic perspective view of a brake buffer device is shown.

[0039] like Figure 1 to Figure 2 As shown, the brake buffer device 100 described herein generally includes a sleeve member 21, a buffer member 22, abutting member 23, a stopper 24 and a connecting member 25. The buffer member 22 is arranged in the sleeve member 21 along the device axis direction X. The abutting member 23 is arranged in the sleeve member 21 and one end thereof abuts against the buffer member 22. The stopper 24 is connected to one end of the sleeve member 21 along the device axis direction X to prevent the abutting member 23 from escaping from the sleeve member 21. The connecting member 25 is connected to one end of the sleeve member 21 away from the stopper 24 and is suitable for being connected to the brake device of the bicycle.

[0040] In one embodiment, Figure 1 and Figure 2 As shown, the sleeve member 21 includes a positioning groove 210 extending along the device axis direction X. The positioning groove 210 allows the buffer member 22 and the abutting member 23 to be placed into the positioning groove 210 in sequence along the device axis direction X from the right end of the sleeve member 21 .

[0041] In one embodiment, Figure 1 and Figure 2 As shown, the limiting member 24 includes a connecting portion 241 and a fixing portion 242. One end of the connecting portion 241 along the device axis direction X is connected to the fixing portion 242. The connecting portion 241 can extend into and be connected to the sleeve member 21, and the end of the connecting portion 241 away from the fixing portion 242 can abut against the abutting member 23 to prevent the buffer member 22 and the abutting member 23 in the sleeve member 21 from falling out of the sleeve member 21. The end of the fixing portion 242 facing the connecting portion 241 abuts against the sleeve member 21, so that the limiting member 24 is installed in place relative to the sleeve member 21. In one embodiment, as Figure 1 and Figure 2 As shown, the connection portion 241 is connected to the sleeve member 21 by threads. It should be understood that based on the teachings given in this disclosure, a person skilled in the art can think of other connection methods to achieve the connection between the connection portion 241 and the sleeve member 21, and these implementations all fall within the scope of this disclosure.

[0042] In one embodiment, Figure 1 and Figure 2 As shown, the connecting member 25 includes a screw rod, on which an external thread is provided. One end of the sleeve member 21 that is away from the limiting member 24 is correspondingly provided with a nut 211 that can cooperate with the external thread of the connecting member 25, and a screw hole 2110 is formed in the nut 211 so that one end of the connecting member 25 can be connected to the sleeve member 21 by threading. The screw hole 2110 is connected to the positioning groove 210 for the brake line to pass through. The other end of the connecting member 25 is suitable for being connected to the brake device of the bicycle to fix the brake buffer device 100 to a predetermined position relative to the brake device of the bicycle. The brake device of the above-mentioned bicycle includes but is not limited to the front brake, the rear brake and the brake handle of the bicycle.

[0043] In another embodiment, the connecting member 25 is integrally formed on the sleeve member 21. Such an integrated structure can reduce the assembly steps of the brake buffer device 100 to a certain extent, which is conducive to improving the industrial production efficiency of the device. It should be understood that based on the teachings given in the present disclosure, a person of ordinary skill in the art can think of other types of connecting members to connect the brake buffer device 100 to the brake device of the bicycle, and these implementations all fall within the scope of the present disclosure.

[0044] In one embodiment, Figure 2 As shown, the buffer member 22 has a first through hole 220 for the brake cable of the bicycle to pass through and extends along the device axis direction X.

[0045] In one embodiment, Figure 1 and Figure 2 As shown, the abutting member 23 includes an extension portion 231 and an abutting portion 232. The extension portion 231 is connected to the abutting portion 232 and extends into the first through hole 220. One end of the abutting portion 232 facing away from the extension portion 231 is suitable for abutting against the brake line pipe, and one end of the abutting portion 232 facing the extension portion 231 is suitable for abutting against the buffer member 22. When the brake device of the bicycle is not braked, the abutting portion 232 can abut against the connecting portion 241 of the stopper 24. When the brake device is in emergency braking, the brake line pipe can apply sufficient pressure to the abutting portion 232, thereby driving the abutting member 23 to move toward the buffer member 22. When the brake device is in normal braking, the pressure applied by the brake line pipe to the abutting portion 232 will not be enough to drive the abutting member 23 to move.

[0046] In one embodiment, Figure 2 As shown, the abutment member 23 has a second through hole 230 for the brake wire in the brake wire tube to pass through and extending along the device axis direction X. The second through hole 230 is communicated with the first through hole 220 for the brake wire to pass through.

[0047] In one embodiment, Figure 1 and Figure 2 As shown, the size of the first through hole 220 is slightly larger than the outer radial size of the extension portion 231 so that the extension portion 231 can be inserted therein and the first through hole 220 is connected to the second through hole 230. When the extension portion 231 is inserted into the first through hole 220, the end of the abutting portion 232 facing the extension portion 231 can abut against the buffer 22. In one embodiment, as Figure 1 and Figure 2 As shown, the connecting member 25 has a third through hole 250 for the brake line to pass through.

[0048] In one embodiment, Figure 2 As shown, the stopper 24 has a fourth through hole 240 for the brake line pipe of the bicycle to pass through and extend along the device axis direction X. The brake line pipe can extend into the fourth through hole 240 along the device axis direction X and abut against the abutting member 23. The fourth through hole 240 is connected to the second through hole 230 and has a larger aperture than the second through hole 230 to prevent the brake line pipe from entering the second through hole 230, thereby ensuring that the brake line pipe can reliably abut against the abutting member 23. The brake line passing through the first through hole 220, the second through hole 230 and the fourth through hole 240 can pass through the third through hole 250 and out of the sleeve member 21.

[0049] In one embodiment, when the bicycle is braked, the brake line will be pulled by the brake handle, and the brake line pipe will apply thrust to the abutment 23 during the movement of the brake line along the device axis direction X, so that the abutment 23 further transmits the force to the buffer 22. When the bicycle is braked normally, the force applied by the brake line pipe on the abutment 23 is less than the predetermined threshold value and is not enough to squeeze and deform the buffer 22. At this time, the brake buffer device 100 will not affect the moving speed of the brake line, and the braking operation of the bicycle can be completed normally. In the case of emergency braking of the bicycle, the force applied by the brake line pipe on the abutment 23 exceeds the predetermined threshold value, so that the buffer 22 is squeezed and deformed to slow down the moving speed of the brake line, and then the brake pad connected to the brake line cannot quickly brake the tire, thereby completing the buffering of emergency braking.

[0050] In one embodiment, Figure 1 and Figure 2As shown, the buffer 22 is made of damping rubber. The damping rubber can be roughly cylindrical, and a first through hole 220 is formed inside for the brake line to pass through. The damping rubber is provided with evenly distributed elliptical holes so that the damping rubber is more evenly stressed when compressed and can be fully deformed. In other embodiments, the holes on the damping rubber can be a combination of holes of different hole shapes. In addition to elliptical holes, the hole shapes can also include circular holes, square holes, I-shaped holes or honeycomb holes, etc.

[0051] In one embodiment, the damping adhesive can be combined with metal pieces with different shapes. The metal pieces can provide reliable support for the damping adhesive, so that the buffer member 22 has a more stable structure.

[0052] It should be understood that, based on the teachings of the present disclosure, a person skilled in the art may conceive of other types of damping adhesives, and these implementations all fall within the scope of the present disclosure.

[0053] Figure 3 FIG. 2 shows an exploded schematic diagram of a brake buffer device according to another embodiment of the present disclosure. Figure 4 Shows Figure 3 A schematic perspective view of a brake buffer device is shown. Figure 3 and Figure 4 The structure and combination of the brake buffer device shown Figure 1 and Figure 2 The structures of the described brake buffer devices are similar, and the only difference is that the buffer member 22 adopts a different structural form. Only the differences between the two will be described below, and the same parts will not be repeated.

[0054] In one embodiment, Figure 3 and Figure 4As shown, the buffer 22 is a spring. Different types of springs can be selected according to the use requirements of the brake buffer device 100, including spiral springs, conical springs and drum springs, etc. It should be understood that based on the teachings given in the present disclosure, ordinary technicians in this field can think of other types of springs, and these implementations all fall within the scope of the present disclosure. A first through hole 220 is formed inside the spring for the brake line to pass through. The spring can be compressed when the force applied to it is greater than a predetermined threshold, and will not be compressed when the force applied to it is less than the predetermined threshold. Therefore, in the case of normal braking of the bicycle, the force applied by the brake line pipe on the abutment 23 is less than the predetermined threshold of the spring, so that it is not enough to squeeze and deform the spring. At this time, the brake buffer device 100 will not affect the moving speed of the brake line, and the braking operation of the bicycle can be completed normally. In the case of emergency braking of the bicycle, the force applied by the brake line pipe on the abutment 23 exceeds the predetermined threshold so that the spring is squeezed and deformed to slow down the moving speed of the brake line, and then the brake pad connected to the brake line cannot quickly brake the tire, thereby completing the buffering of emergency braking.

[0055] According to the embodiment of the present disclosure, by using the buffer 22 with different elasticities, the predetermined threshold value of the buffer 22 being squeezed and deformed can be changed, so that different degrees of braking buffering of the bicycle can be achieved. It should be understood that based on the teachings given in the present disclosure, ordinary technicians in this field can think of other types of buffers, and these implementations all fall within the scope of the present disclosure.

[0056] The brake buffer device 100 according to the embodiment of the present disclosure can buffer the emergency braking of the bicycle without affecting the normal braking of the bicycle, so as to appropriately reduce the sensitivity of the emergency braking of the bicycle, thereby preventing tire slippage and wheel locking, etc., and greatly improving the safety performance of the bicycle.

[0057] In addition, based on the teachings given in the embodiments of the present disclosure, those skilled in the art can conceive of brake buffer devices of other structures to achieve buffering in the event of emergency braking. For example, in some embodiments. The limit member 24 can be formed as a single component with the sleeve member 21, rather than two components connected by threads. On the contrary, the portion of the sleeve member 21 connected to the connecting member 25 can be formed as a separate component and connected to the main body of the sleeve member 21 by, for example, threads. In such an embodiment, the buffer member 22 and the abutment member 23 can be placed in the positioning groove 210 from the left end of the main body of the sleeve member 21, and then the portion connected to the connecting member 25 is connected to the main body of the sleeve member 21.

[0058] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A brake buffer device (100) for a bicycle, characterized in that: The braking buffer device (100) comprises: A sleeve member (21), wherein the sleeve member (21) comprises a positioning groove (210) extending along the axial direction (X) of the device; A buffer member (22) is disposed in the positioning groove (210) and has a first through hole (220) for the brake line of the bicycle to pass through and extending along the axial direction (X) of the device; abutment member (23), the abutment member (23) being movably disposed in the positioning groove (210) and abutting against the buffer member (22), the abutment member (23) having a second through hole (230) for the brake line to pass therethrough and extending along the device axis direction (X), the end of the abutment member (23) along the device axis direction (X) away from the buffer member (22) being suitable for abutting against the brake line pipe of the bicycle, and being capable of squeezing the buffer member (22) to deform when a force applied by the brake line pipe to the abutment member (23) exceeds a predetermined threshold; and A connecting member (25) is connected to one end of the sleeve member (21) along the device axis direction (X) and is suitable for being connected to the brake device of the bicycle, and the connecting member (25) has a third through hole (250) for the brake line to pass through.

2. The brake buffer device (100) according to claim 1, characterized in that: The abutment member (23) comprises an extension portion (231) and an abutment member (232), wherein the extension portion (231) is connected to the abutment member (232) and extends into the first through hole (220), and an end of the abutment member (232) facing the extension portion (231) abuts against the buffer member (22), and an end facing away from the extension portion (231) is suitable for abutting against the brake line pipe.

3. The brake buffer device (100) according to claim 1, characterized in that: The braking buffer device (100) further comprises a limiting member (24), wherein the limiting member (24) is connected to an end of the sleeve member (21) facing away from the connecting member (25) to prevent the abutting member (23) from falling out of the sleeve member (21).

4. The brake buffer device (100) according to claim 3, characterized in that: The limiting member (24) comprises a connecting portion (241) and a fixing portion (242), one end of the connecting portion (241) along the axial direction (X) of the device is connected to the fixing portion (242), the connecting portion (241) extends into and is connected to the sleeve member (21), one end of the connecting portion (241) facing away from the fixing portion (242) abuts against the abutting member (23), and one end of the fixing portion (242) facing the connecting portion (241) abuts against the sleeve member (21).

5. The brake buffer device (100) according to claim 4, characterized in that: The stopper (24) has a fourth through hole (240) for the brake line pipe to pass through and extending along the device axis direction (X); the fourth through hole (240) is connected to the second through hole (230) and has a larger hole diameter than the second through hole (230).

6. The brake buffer device (100) according to claim 1, characterized in that: The connecting member (25) is provided with an external thread, and one end of the sleeve member (21) facing the connecting member (25) is provided with a nut (211) for connecting with the external thread of the connecting member (25), and a screw hole (2110) is formed in the nut (211), and the screw hole (2110) is communicated with the positioning groove (210).

7. The brake buffer device (100) according to claim 1, characterized in that: The connecting member (25) is integrally formed on the sleeve member (21).

8. The brake buffer device (100) according to any one of claims 1 to 7, characterized in that: The buffer component (22) comprises at least one of a spring and a damping rubber.

9. The brake buffer device (100) according to claim 8, characterized in that: The damping glue is columnar and includes evenly distributed holes or a combination of holes with different hole shapes.

10. The brake buffer device (100) according to claim 9, characterized in that: The holes include at least one of an elliptical hole, a circular hole, a square hole, an I-shaped hole and a honeycomb hole.

11. The brake buffer device (100) according to claim 8, characterized in that: The damping adhesive comprises a combination of damping elements having different damping materials and different shapes.

12. The brake buffer device (100) according to claim 8, characterized in that: The spring includes at least one of a coil spring, a conical spring, and a drum spring.

13. The brake buffer device (100) according to any one of claims 1 to 7, characterized in that: The buffer component (22) comprises a combination of damping glue and metal components with different shapes.

14. A bicycle, characterized in that: include: Brake handle; Front brakes; rear brake; as well as According to the brake buffer device (100) according to any one of claims 1 to 13, the connecting member (25) of the brake buffer device (100) is connected to at least one of the brake handle, the front brake and the rear brake.

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