CN214356499U

CN214356499U - Brake device for sharing bicycle and sharing bicycle

Info

Publication number: CN214356499U
Application number: CN202023081424.5U
Authority: CN
Inventors: 曹双华; 王轩; 刘小强; 耿军华; 张显龙; 陈晓俊
Original assignee: Mobai Beijing Information Technology Co Ltd
Current assignee: Mobai Beijing Information Technology Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-08
Anticipated expiration: 2030-12-18

Abstract

The application provides a brake equipment and sharing bicycle for sharing bicycle belongs to sharing bicycle technical field, has solved the problem that leads to the brake performance to descend easily after the brake equipment wearing and tearing on the current sharing bicycle. The brake device comprises a shell, wherein a positioning piece is arranged on the shell; the brake part is rotatably connected with the positioning part; the adjusting device is provided with an executing end, the executing end is equipped to execute linear reciprocating motion, and the executing end drives the brake part to rotate around the positioning piece to the direction of the brake position. The linear reciprocating motion of the actuating end in the adjusting device can bring a relatively long motion stroke, after the brake part is abraded, the actuating end can continuously push the brake part to rotate due to the relatively long stroke to generate a braking effect, and the problem that the brake performance is easily reduced after the brake device on the existing sharing bicycle is abraded is solved.

Description

Brake device for sharing bicycle and sharing bicycle

Technical Field

The application belongs to the technical field of sharing bicycles, and particularly relates to a brake device for a sharing bicycle and the sharing bicycle.

Background

With the rapid development of the sharing business model in recent years, sharing a bicycle has become an important way for people to go out. Shared bicycles are massively placed in cities for free rental use by users. Because the shared bicycle is used frequently, parts on the bicycle body are abraded seriously, and particularly the abrasion performance of a brake device is obvious. After the brake device is abraded, the brake performance is reduced, so that the brake fails, and the riding safety problem is frequent; meanwhile, the shared bicycle is high in use frequency, the brake device is fast worn, the maintenance frequency of the shared bicycle is increased, and the operation cost is high.

Disclosure of Invention

The application provides a brake equipment and sharing bicycle for sharing bicycle has solved the problem that leads to the brake performance to descend easily after the brake equipment wearing and tearing on the current sharing bicycle.

According to a first aspect of the present application, there is provided a brake apparatus for a shared bicycle, comprising:

the shell is provided with a positioning piece;

the brake part is positioned on the shell and is rotatably connected with the positioning part;

adjusting device, at least part adjusting device fixed set up in on the shell, adjusting device has the execution end, the execution end is equipped with and can carries out straight reciprocating motion, execution end drive the brake portion winds the setting element rotates to brake position direction.

Optionally, the position where the actuating end drives the brake part is a driving position, and the driving position is far away from the rotation center of the brake part.

Optionally, the center of rotation of the brake portion is proximate to a first end of the brake portion, and the actuation location is at a second end of the brake portion.

Optionally, the braking device includes two paired braking portions, and the two braking portions are symmetrically distributed on two sides of the positioning member;

adjusting device includes the driving piece, the driving piece includes two in pairs the execution end, two the execution end is in the symmetry sets up and two on the driving piece execution end one-to-one ground with two the cooperation of brake portion.

Optionally, the positioning element is cylindrical, one end of each brake part is provided with a groove matched with the outer surface of the cylindrical positioning element, and the positioning element is clamped in the grooves of the two brake parts.

Optionally, the braking device further comprises an elastic member, and the two braking portions are connected through the elastic member.

Optionally, along the axial direction of the positioning member, the positioning member is provided with a boss configured to limit the two braking portions at a position where the positioning member is fitted.

Optionally, the adjusting device includes a hydraulic cylinder, and the actuating end is a telescopic rod on the hydraulic cylinder.

Optionally, the adjusting device includes an air cylinder, and the executing end is an expansion link on the air cylinder.

According to a second aspect of the present application, there is provided a shared bicycle including a body main body, a wheel assembly, and the brake apparatus for a shared bicycle described above; wherein the content of the first and second substances,

the wheel assembly is rotatably arranged on the vehicle body main body, and the brake part is in contact friction with the wheel assembly when the brake part moves to a brake position.

The application has the technical effects that the linear reciprocating motion of the actuating end in the adjusting device can bring a relatively long actuating end motion stroke, so that the actuating end drives the brake part to rotate in a large amplitude, and after the brake part is worn, the actuating end can continue to push the brake part to rotate due to the relatively long stroke, so that the thickness of the worn part of the brake part is compensated, the brake part still generates a braking effect, and the problem that the brake performance is reduced easily after the brake device on the existing sharing bicycle is worn is solved.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic view of the overall structure of a brake device for a shared bicycle according to the present application;

fig. 2 is a partial structural schematic diagram of a brake device for a shared bicycle provided by the present application.

Reference numerals:

1. a housing; 2. a positioning member; 3. a brake section; 4. an execution end; 5. a drive member; 6. an elastic member; 7. and (4) a boss.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The application provides a brake device for a shared bicycle, which can be used for vehicles such as a shared bicycle, a shared electric bicycle or a shared moped and the like which adopt a shared operation mode for a user to ride.

As shown in fig. 1 and 2, the brake device for the shared bicycle provided by the present application comprises a housing 1, a brake part 3 and an adjusting device, wherein the housing 1 is used for carrying other various components of the brake device and protecting the functions of the other components of the brake device, and the housing 1 is fixedly arranged at a position of the shared bicycle close to a wheel. The positioning member 2 is disposed on the housing 1, the positioning member 2 may be fixedly disposed on the housing 1, and is a part of the housing 1, for example, a fixing column extending from a surface of the housing 1 to a direction perpendicular to the surface, and the positioning member 2 may also be detachably disposed on the housing 1, for example, the positioning member 2 is fastened to the housing 1 through a thread of the positioning member 2, and plays a role of positioning the brake portion 3 on the housing.

Brake portion 3, brake portion 3 is located on the shell 1, brake portion 3 is used for forming the friction with the wheel contact, through frictional force to the wheel braking to play the effect of brake. The brake part 3 is rotatably connected with the positioning part 2, and comprises a structure that the brake part 3 is indirectly connected with the positioning part 2 through other components, for example, the brake part 3 is connected with the positioning part 2 through a torsion spring, specifically, one end of the brake part 3 is connected with one end of the torsion spring, the positioning part 2 is connected with the other end of the torsion spring, and when the brake part 3 is in a braking position, the torsion spring applies force to the brake part 3 to enable the brake part 3 to return to a non-braking position; the brake part 3 can be directly hinged with the positioning part 2, so that the brake part 3 rotates around the positioning part 2, and the brake part 3 is switched between a braking position and a non-braking position in the reciprocating rotation process of the brake part 3.

And the adjusting device is used for driving the brake part 3 to enable the brake part 3 to move towards the direction of the brake position so as to achieve the purpose of braking. At least part of the adjusting device is fixedly arranged on the shell 1 and provides a force application basis for driving the brake part 3, the adjusting device is provided with an execution end 4, the execution end 4 is equipped to perform linear reciprocating motion, the execution end 4 drives the brake part 3 to rotate around the positioning part 2 to the direction of a brake position, for example, the adjusting device can comprise a linear motor, a power output shaft of the linear motor is the execution end 4, and the power output shaft of the linear motor drives the brake part 3; the adjusting device can also be a crank sliding block mechanism, the crank sliding block mechanism comprises a motor, a rotating rod and a connecting rod, the rotating rod is arranged at the power output end of the motor, one end of the connecting rod is hinged to the position far away from the rotating center of the rotating wheel, the other end of the connecting rod is hinged to the brake part 3, when the motor drives the rotating wheel to rotate, the rotating wheel drives the connecting rod to drive the brake part 3 to move, the connecting rod is the power output end, and further, the motive machine can also be a hydraulic cylinder and other parts capable of outputting rotary motion.

Among the prior art, brake equipment all has a rotary rod generally, is connected with a swing arm with rotary rod one end, and another of rotary rod has the plectrum, and during the user braking, the brake cable can stimulate the swing arm, and the swing arm drives the rotary rod and rotates, and the plectrum that sets up on the rotary rod also follows the rotation, thereby the plectrum rotates and can impel 3 movements of brake part to realize the braking. However, the distance between the brake lever and the handle on the handlebar is limited, the distance for pulling the rocker arm by the brake cable in a limited space is limited, that is, the distance for driving the brake part 3 by the plectrum is limited, meanwhile, the plectrum drives the brake part 3 by rotating, the distance for driving the brake part 3 by the plectrum is smaller than the depth for pressing the brake lever when a user brakes, the moving distance of the brake part 3 is further limited, and the moving distance of the brake part 3 cannot be adjusted. The structure enables the brake part 3 to be incapable of forming effective friction with the wheel assembly under the condition of serious abrasion, so that the braking effect is reduced, and even the brake is ineffective.

In this application, prior art relatively, the linear reciprocating motion of adjusting device execution end 4 can bring the 4 motion strokes of relatively longer execution ends, it is great to make the 3 pivoted range of execution end 4 drive brake parts, after 3 wearing and tearing of brake parts, execution end 4 can continue to promote 3 rotations of brake parts because the stroke is relatively longer, thereby the thickness that has compensated 3 wearing and tearing parts of brake parts makes brake parts 3 still can produce braking effect after wearing and tearing, the problem that leads to the brake performance to descend easily after the brake equipment wearing and tearing on the current sharing bicycle has been solved.

Meanwhile, the influence of abrasion of the brake part 3 on the brake performance can be reduced, the effective brake duration of the brake device is prolonged, the maintenance times of the shared bicycle can be reduced, and the operation cost of the shared bicycle is reduced.

Optionally, the actuating end 4 drives the position on the brake part 3 to be a driving position, that is, a position on the brake part 3 contacting with the actuating end 4, preferably, the brake part 3 and the actuating end 4 are abutted to each other, the driving position is far away from the rotation center of the brake part 3, a force required by the driving end of the adjusting device to overcome the rotation of the brake part 3 can be reduced, the thrust of the driving end of the adjusting device can be completely acted on the contact between the brake part 3 and the wheel assembly, the braking effectiveness of the brake device can be ensured, meanwhile, the abrasion of the brake part 3 can be reduced on the premise that the brake device brakes effectively, the service life of the brake device is prolonged, and high-frequency maintenance is avoided, for example, when braking is required, the brake device can stop a single vehicle in time, unnecessary abrasion of the brake part 3 is avoided, and under the condition that the braking effect is not ideal, the contact between the brake part 3 and the wheel assembly is not so tight, and when the vehicle needs to be parked in time, the brake part 3 can continuously rub the wheel assembly, so that unnecessary abrasion is caused.

Optionally, the center of rotation of brake portion 3 is close to the first end of brake portion 3, promptly brake portion 3 is around being close to the first end position of brake portion 3 rotates, the actuating position is located the second end of brake portion 3, adjusting device drive promptly the second end of brake portion 3 can guarantee that brake portion 3 and wheel component have great area of contact, makes brake portion 3 contact with wheel component in great area, can reduce the wearing and tearing thickness, avoids brake portion 3 and the wheel component contact increase brake portion 3's of contact wearing and tearing thickness in less area, makes brake portion 3 contact with wheel component in great area simultaneously, also can increase frictional force, reinforcing braking effect.

Optionally, brake equipment includes two mated brake portion 3, two 3 symmetric distributions of brake portion are in 2 both sides of setting element make two setting element 2 can be simultaneously with the wheel subassembly on the symmetrical position contact, guaranteed the homogeneity of atress, make braking process more stable.

Adjusting device includes driving piece 5, driving piece 5 includes two in pairs execution end 4, two execution end 4 is in symmetry sets up and two on driving piece 5 execution end 4 one-to-one ground and two brake part 3 cooperation, that is to say, two drive ends have simultaneously on same driving piece 5, and two above-mentioned drive end symmetries set up, can stretch out simultaneously or retract two brake parts 3 with the drive symmetry setting simultaneously under the drive of driving piece 5, for example the pneumatic cylinder of driving piece 5 for having two telescopic links, perhaps symmetry is provided with two connecting rods on the runner, two connecting rods are connected with corresponding brake part 3 respectively, when the runner rotates, can promote two brake part 3 movements through the connecting rod simultaneously. This scheme can implement the same thrust to brake portion 3 simultaneously, makes brake portion 3 can contact the wheel in the rotation simultaneously, and then makes 3 atresss of brake portion are even, realize steady braking.

Optionally, setting element 2 is cylindric, and the surface of the axis perpendicular to shell 1 of setting element 2, arbitrary the one end of brake part 3 have with the recess of 2 surface looks adaptations of cylindric setting element, setting element 2 is pressed from both sides and is established two in the recess of brake part 3, that is to say, the internal surface of the recess of 3 one ends of brake part offsets with cylindric surface and can make brake part 3 rely on the recess to rotate on the surface of setting element 2, and then realizes that brake part 3 can be reliable relative setting element 2 rotates, avoids brake part 3 to misplace in the motion process. The outer surfaces of the positioning piece 2 and the brake part 3 are provided with better surface roughness, so that a better rotating effect can be generated between the positioning piece and the brake part 3.

Optionally, brake equipment still includes elastic component 6, two brake part 3 passes through elastic component 6 is connected, elastic component 6 sets up between two brake parts 3, make two brake parts 3 draw close to the two central direction, make the close surface at setting element 2 of pasting of two recess internal surfaces, can be with two brake parts 3 reliable location on setting element 2, make two brake parts 3 stimulate each other simultaneously, brake equipment's inner structure has been simplified, preferably, be provided with an elastic component 6 in the position that is close to 3 first ends of brake part, play the effect that makes 3 brake parts hug closely setting element 2, be provided with an elastic component 6 in the position that is close to 3 second ends of brake part, play the effect that makes 3 brake parts reset.

Optionally, as shown in fig. 2, the positioning member 2 is provided with a boss 7 along the axial direction of the positioning member 2, and the boss 7 is configured to limit two of the braking portions 3 at a position matched with the positioning member 2, for example, the boss 7 may be provided at the top end of the positioning member 2, when the braking portion 3 tightly attached to the outer surface of the positioning member 2 moves along the circumferential direction of the positioning member 2, the braking portion 3 may be clamped at the boss 7 and cannot fall off, so that the braking portion 3 can be reliably positioned; meanwhile, a boss 7 is also arranged at the position, close to the surface of the shell 1, of the positioning column, the braking portion 3 and the shell 1 can be separated, the braking portion 3 is prevented from contacting the outer surface of the shell 1, and friction force generated when the braking portion 3 moves is reduced.

Optionally, the adjusting device includes a hydraulic cylinder, the actuating end 4 is an extension rod on the hydraulic cylinder, the extension rod of the hydraulic cylinder has a relatively long stroke, and can ensure that the brake part 3 has a large movement range, so as to reduce the influence of the abrasion of the brake part 3 on the brake performance, and the hydraulic cylinder has a simple structure and is reliable in operation, so as to further ensure the reliability of braking, and accordingly, other hydraulic system parts adapted to the hydraulic cylinder and used for controlling the movement of the hydraulic cylinder, such as a flow adjusting part and the like, should be provided.

Optionally, the adjusting device includes a cylinder, the cylinder can convert the pressure energy of the compressed gas into mechanical energy, even if the compressed air pushes the telescopic rod of the cylinder, the actuating end 4 is the telescopic rod on the cylinder, the telescopic rod of the cylinder has a relatively long stroke, it can be ensured that the braking portion 3 has a large movement amplitude, the influence of the abrasion of the braking portion 3 on the braking performance is reduced, and accordingly, other hydraulic system parts adapted to the cylinder for controlling the movement of the cylinder, such as a flow adjusting part and the like, should be provided.

According to the second aspect of the application, a sharing bicycle is provided, which comprises a bicycle body, a wheel assembly and the brake device for sharing bicycle described above, wherein the wheel assembly is rotatably arranged on the bicycle body, and when the brake part 3 moves to a braking position, the brake part 3 is in contact friction with the wheel assembly, wherein the brake part 3 can be in contact friction with a brake disc on a wheel, and the brake part 3 can also be in direct friction contact with the wheel. The user is when riding the sharing bicycle, and drive adjusting device can make 3 motion of brake portion to the brake position, makes 3 and the wheel subassembly of brake portion form contact friction, hinders the rotation of wheel subassembly to realize the braking.

Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims

1. A brake apparatus for a shared bicycle, comprising:

the shell is provided with a positioning piece;

2. The brake apparatus for a shared bicycle of claim 1, wherein the position where the actuating end actuates the brake section is an actuating position, the actuating position being away from a rotational center of the brake section.

3. The brake apparatus for a shared bicycle of claim 2, wherein the center of rotation of the brake section is proximate a first end of the brake section and the actuating position is at a second end of the brake section.

4. The brake apparatus for a shared bicycle of claim 1, wherein the brake apparatus comprises two brake portions in a pair, the two brake portions being symmetrically disposed on both sides of the positioning member;

5. The brake device for the shared bicycle according to claim 4, wherein the positioning member is cylindrical, one end of each of the brake portions is provided with a groove matched with the outer surface of the cylindrical positioning member, and the positioning member is clamped in the grooves of the two brake portions.

6. The brake apparatus for a shared bicycle of claim 4, further comprising an elastic member, wherein the two brake portions are connected by the elastic member.

7. The brake apparatus for a shared bicycle according to claim 5, wherein the positioning member is provided with a boss configured to restrain both of the brake portions at a position where the positioning member is engaged, in an axial direction of the positioning member.

8. The brake apparatus for a shared bicycle of claim 1, wherein the adjustment device includes a hydraulic cylinder and the actuation end is a telescoping rod on the hydraulic cylinder.

9. The brake apparatus for a shared bicycle of claim 1, wherein the adjustment device includes a cylinder, and the actuation end is a telescoping rod on the cylinder.

10. A shared bicycle, which is characterized by comprising a body main body, a wheel assembly and a brake device for the shared bicycle according to any one of claims 1 to 9; wherein the content of the first and second substances,