Brake handle power-off structure and power-off brake handle

Abstract

The utility model relates to a brake handle power-off structure and a power-off brake handle. The brake handle power-off structure comprises an upper pump body, a lower pump body and a brake handle, an oil cylinder cavity is formed in the upper pump body, an oil cylinder piston is movably assembled in the oil cylinder cavity, and a step part is formed at the end, corresponding to the moving direction of the oil cylinder piston, of the upper pump body; the magnetic ring is arranged on the oil cylinder piston in a sleeving manner and moves along with the oil cylinder piston; the power-off piece at least comprises a power-off shell, a ring sleeve part which is integrally formed at the first end of the power-off shell and sleeves the step part, an assembly cavity formed in the power-off shell, and a reed switch which is arranged in the assembly cavity and is in induction fit with the magnetic ring; and one end of the oil outlet piece is arranged on the step part in a sleeving manner and is in threaded connection with the step part so as to position the ring sleeve part. The upper pump body is quick and simple to assemble, the overall production difficulty of the upper pump body is effectively reduced, and the upper pump body can better meet the fine brake and power-off sensitivity requirements of different customers.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to a brake handle power-off structure and a power-off brake handle. Background Technique

[0002] The existing oil brake structure of electric vehicles is usually that both ends of the oil circuit are directly connected to the upper pump body and the lower pump body respectively, and the power-off switch is generally assembled with the upper pump body. However, the power-off switch is usually directly exposed at the outer end of the upper pump body, which will cause poor protection of the power-off switch and its circuit, affecting the overall stability of use. If the power-off switch is arranged inside the upper pump body, it will further increase the production difficulty of the upper pump body; and once the sensitivity of the power-off switch is assembled, it usually cannot be adjusted, unable to meet the fine braking and power-off sensitivity requirements of different customers.

[0003] Therefore, we propose a brake handle power-off structure and a power-off brake handle. Summary of the Utility Model

[0004] This application provides a brake handle power-off structure and a power-off brake handle to at least solve the problem that in the prior art, the power-off switch is usually directly exposed at the outer end of the upper pump body, with poor protection, and if the power-off switch is arranged inside the upper pump body, it will further increase the production difficulty of the upper pump body.

[0005] In a first aspect, this application provides a brake handle power-off structure, including:

[0006] An upper pump body, which is provided with an oil cylinder cavity, and an oil cylinder piston is movably assembled in the oil cylinder cavity, and a step portion is formed at one end corresponding to the moving direction of the oil cylinder piston;

[0007] A magnetic ring, which is sleeved on the oil cylinder piston and moves with the oil cylinder piston;

[0008] A power-off member, which at least includes a power-off housing, a ring sleeve portion integrally formed at the first end of the power-off housing and sleeved on the step portion, an assembly cavity opened in the power-off housing, and a reed switch arranged in the assembly cavity and inductively cooperating with the magnetic ring;

[0009] An oil outlet member, one end of which is sleeved on the step portion and is threadedly connected to the step portion to position the ring sleeve portion.

[0010] Optionally, the power-off member further includes:

[0011] An adjustment spring, which is arranged in the assembly cavity, and both ends of which are respectively connected to the first end of the reed switch and the inner wall of the assembly cavity;

[0012] A screw sleeve, the first end of which has an external thread, and the external thread is connected to the internal thread arranged at the opening end of the assembly cavity, and the first end of which abuts against the second end of the reed switch.

[0013] Optionally, a wire threading hole is provided in the middle of the screw sleeve, and a cable is threaded through the wire threading hole. One end of the cable is connected to the second end of the reed switch.

[0014] Optionally, a brake handle is rotatably assembled on one side of the upper pump body away from the stepped portion through a rotating pin, and the brake handle is movably connected to the oil cylinder piston through a piston rod.

[0015] Optionally, an assembly portion is provided at the second end of the power-off housing, and the assembly portion is fixed to the outer wall surface of the upper pump body by screws.

[0016] Optionally, a collar lock is integrally formed at the lower part of the upper pump body, and the collar lock is detachably fixed to the bicycle handlebar tube in cooperation with a fastening bolt.

[0017] In a second aspect, the present application provides a power-off brake handle, including the brake handle power-off structure described in the first aspect above.

[0018] Optionally, it further includes: an oil sump member having an oil sump cavity opened on the upper pump body and an elastic adjusting member disposed in the oil sump cavity, and the oil sump cavity is communicated with the oil cylinder cavity to adjust the brake oil pressure.

[0019] Compared with the related art, the brake handle power-off structure and the power-off brake handle provided by the present application at least have the following technical effects:

[0020] Through the sleeving and assembly of the ring sleeve portion on the stepped portion and the threaded installation of the oil outlet member, the externally attached power-off housing and the upper pump body are effectively combined, and the protection effect of the power-off element is good. During the braking action, the magnetic ring gradually senses and cooperates with the reed switch as the oil cylinder piston moves, realizing the synchronous power-off operation during the braking action. The externally attached assembled power-off member is quickly and simply assembled, and effectively reduces the overall production difficulty of the upper pump body; at the same time, the screwing-in and screwing-out operations of the screw sleeve can cooperate with the elastic force of the displacement spring to change the position of the reed switch in the assembly cavity, fully adapting to the movement stroke of the magnetic ring. In this way, the power-off sensitivity is adjusted and adapted to meet the fine braking and power-off sensitivity requirements of different customers.

[0021] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more concise and understandable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of a power-off brake lever shown according to an exemplary embodiment.

[0024] Figure 2 It is a side view of the structure of a power-off brake lever shown according to an exemplary embodiment.

[0025] Figure 3 It is according to Figure 2 The schematic cross-sectional view of the A-A structure in

[0026] Figure 4 It is according to Figure 2 The schematic cross-sectional view of the B-B structure in

[0027] Figure 5 It is an exploded view of the brake lever power-off structure shown according to an exemplary embodiment.

[0028] Description of reference numerals: upper pump body 10; beam lock 101; stepped portion 102;

[0029] Power-off member 20; power-off housing 201; ring portion 202; reed switch 203; adjustment spring 204; screw sleeve 205; cable 206; magnetic ring 207; assembly portion 208;

[0030] Oil outlet member 30; brake lever 40; piston rod 401; oil cylinder piston 50; oil sump member 60. Specific embodiments

[0031] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0032] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0033] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] In the related art, the existing oil brake structure of electric vehicles is usually such that both ends of the oil circuit are directly connected to the upper pump body and the lower pump body respectively, and the power-off switch is generally assembled with the upper pump body. However, the power-off switch is usually directly exposed at the outer end of the upper pump body, which will result in poor protection of the power-off switch and its circuit, affecting the overall stability of use. And if the power-off switch is arranged inside the upper pump body, it will further increase the production difficulty of the upper pump body; moreover, once the sensitivity of the power-off switch is assembled, it usually cannot be adjusted, and it cannot meet the fine braking and power-off sensitivity requirements of different customers.

[0035] Based on the above situation, the embodiments of the present utility model provide a brake handle power-off structure and a power-off brake handle, which will be elaborated in detail below in combination with specific embodiments and drawings.

[0036] Embodiment 1

[0037] The embodiment of the present utility model provides a brake handle power-off structure. Figure 1 is a schematic structural diagram of a power-off brake handle shown according to an exemplary embodiment. Figure 2 is a side view of the structure of the power-off brake handle shown according to an exemplary embodiment. Figure 3 is according to Figure 2 the cross-sectional schematic diagram of the A-A structure in Figure 4 is according to Figure 2 the cross-sectional schematic diagram of the B-B structure in Figures 1-4 As shown in

[0038] The upper pump body 10 is provided with an oil cylinder cavity, and an oil cylinder piston 50 is movably assembled in the oil cylinder cavity. A step portion 102 is formed at one end corresponding to the moving direction of the oil cylinder piston 50. Further, a return spring is provided between the oil cylinder piston 50 and the end of the oil cylinder cavity to push the oil cylinder piston 50 to reset after the movement of the oil cylinder piston 50 during the braking action.

[0039] A magnetic ring 207 is sleeved on the oil cylinder piston 50 and moves with the oil cylinder piston 50.

[0040] The power-off member 20 at least includes a power-off housing 201, a ring sleeve portion 202 integrally formed at the first end of the power-off housing 201 and sleeved on the step portion 102, an assembly cavity opened in the power-off housing 201, and a reed switch 203 disposed in the assembly cavity and inductively matched with the magnetic ring 207. Continue to refer to the appendix Figure 3 and 4 , further, one outer wall surface of the power-off housing 201 is adapted to the outer wall surface of the upper pump body 10 so as to achieve fitting assembly after the ring sleeve portion 202 is sleeved on the step portion 102 and installed in place.

[0041] The oil outlet member 30 has one end sleeved on the step portion 102 and threadedly connected to the step portion 102 to position the ring sleeve portion 202, and the other end thereof is connected to an oil pipe, and the other end of the oil pipe is connected to a brake lower pump at the front / rear wheel to realize oil output braking.

[0042] Optionally, continue to refer to the appendix Figure 3 and 5 , the power-off member 20 further includes:

[0043] An adjustment spring 204 is disposed in the assembly cavity, and its two ends are respectively connected to the first end of the reed switch 203 and the inner wall of the assembly cavity.

[0044] A screw sleeve 205 has an external thread at its first end, and the external thread is connected to the internal thread provided at the opening end of the assembly cavity, and its first end abuts against the second end of the reed switch 203. A wire threading hole is provided in the middle of the screw sleeve 205, and a cable 206 is threaded through the wire threading hole, and one end of the cable 206 is connected to the second end of the reed switch 203.

[0045] In this embodiment, a brake handle 40 is rotatably assembled on the side of the upper pump body 10 away from the step portion 102 through a rotating pin, and the brake handle 40 is movably connected to the oil cylinder piston 50 through a piston rod 401.

[0046] In the technical solution of the above embodiment, Figure 5 is an exploded view of a brake handle power-off structure shown according to an exemplary embodiment; refer to the appendix Figures 1-5, when assembling the brake handle power-off structure, first assemble the magnetic ring 207 with the oil cylinder piston 50, then install it into the oil cylinder cavity. The piston rod 401 connects the oil cylinder piston 50 and the brake handle 40. Then, sleeve the ring sleeve part 202 on the step part 102. After being installed in place, install the oil outlet part 30. The oil outlet part 30 cooperates with the edge of the step part 102 to clamp and fix the ring sleeve part 202, realizing the fixed assembly between the power-off housing 201 and the upper pump body 10. Then, sequentially install the displacement adjustment spring 204, the reed switch 203 that inductively cooperates with the magnetic ring 207, and connect the cable 206 in the assembly cavity, and screw in the screw sleeve 205 to complete the assembly;

[0047] In the technical solution of the above embodiment, through the sleeved assembly of the ring sleeve part 202 on the step part 102 and the threaded installation of the oil outlet part 30, the externally attached power-off housing 201 is effectively combined with the upper pump body 10. During the braking action, the magnetic ring 207 gradually inductively cooperates with the reed switch 203 as the oil cylinder piston 50 moves, realizing the synchronous power-off operation during the braking action. The externally attached power-off part 20 is assembled quickly and simply, and effectively reduces the overall production difficulty of the upper pump body 10. At the same time, the screwing-in and screwing-out operations of the screw sleeve 205 can cooperate with the elastic force of the displacement adjustment spring 204 to change the position of the reed switch 203 in the assembly cavity, fully adapting to the movement stroke of the magnetic ring 207, adjusting and adapting the power-off sensitivity, and meeting the different sensitivity requirements of different customers.

[0048] In this embodiment, referring to the attached Figure 5 , the second end of the power-off housing 201 is provided with an assembly part 208. The assembly part 208 is fixed to the outer wall surface of the upper pump body 10 by screws. Through the two-directional fixation of the assembly part 208 and the ring sleeve part 202, the stable installation of the externally attached power-off housing 201 and the upper pump body 10 is fully ensured.

[0049] In this embodiment, referring to the attached Figures 1-2 , a beam lock 101 is integrally formed at the lower part of the upper pump body 10. The beam lock 101 is detachably fixed to the bicycle handlebar tube by a fastening bolt.

[0050] In summary, the brake handle power-off structure provided by the embodiment of the present utility model effectively combines the externally attached power-off housing 201 with the upper pump body 10 through the sleeved assembly of the ring sleeve portion 202 on the stepped portion 102 and the threaded installation of the oil outlet member 30. The protection effect of the power-off element is good. During the braking action, the magnetic ring 207 gradually inductively cooperates with the reed switch 203 as the oil cylinder piston 50 moves, realizing the synchronous power-off operation during the braking action. The externally attached power-off member 20 is assembled quickly and simply, and effectively reduces the overall production difficulty of the upper pump body 10. At the same time, the threaded screwing-in and screwing-out operations of the screw sleeve 205 can cooperate with the elastic force of the position-adjusting spring 204 to change the position of the reed switch 203 in the assembly cavity, fully adapting to the movement stroke of the magnetic ring 207. In this way, the power-off sensitivity is adjusted and adapted to the fine braking and power-off sensitivity requirements of different customers.

[0051] Embodiment 2

[0052] The difference between this embodiment and Embodiment 1 is that this application provides a power-off brake handle, which includes the brake handle power-off structure of the above first aspect, and further includes:

[0053] An oil sump member 60, which has an oil sump cavity opened on the upper pump body 10 and an elastic adjusting member disposed in the oil sump cavity. The oil sump cavity is communicated with the oil cylinder cavity to adjust the braking oil pressure. It can be understood that the elastic adjusting member expands and contracts in volume in cooperation with the oil pressure change to adjust the oil pressure in the oil cylinder cavity during braking.

[0054] Other structures not described refer to Embodiment 1.

[0055] In summary, the brake handle power-off structure and the power-off brake handle provided by the embodiment of the present utility model effectively combine the externally attached power-off housing 201 with the upper pump body 10 through the sleeved assembly of the ring sleeve portion 202 on the stepped portion 102 and the threaded installation of the oil outlet member 30. The protection effect of the power-off element is good. During the braking action, the magnetic ring 207 gradually inductively cooperates with the reed switch 203 as the oil cylinder piston 50 moves, realizing the synchronous power-off operation during the braking action. The externally attached power-off member 20 is assembled quickly and simply, and effectively reduces the overall production difficulty of the upper pump body 10. At the same time, the threaded screwing-in and screwing-out operations of the screw sleeve 205 can cooperate with the elastic force of the position-adjusting spring 204 to change the position of the reed switch 203 in the assembly cavity, fully adapting to the movement stroke of the magnetic ring 207. In this way, the power-off sensitivity is adjusted and adapted to the fine braking and power-off sensitivity requirements of different customers.

[0056] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0057] The embodiments described above only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A brake handle power-off structure, characterized in that Comprising: An upper pump body, on which an oil cylinder cavity is formed, an oil cylinder piston is movably assembled in the oil cylinder cavity, and a stepped portion is formed at one end corresponding to the moving direction of the oil cylinder piston; A magnetic ring, which is sleeved on the oil cylinder piston and moves with the oil cylinder piston; A power-off component, which at least includes a power-off housing, a ring sleeve portion integrally formed at the first end of the power-off housing and sleeved on the stepped portion, an assembly cavity formed in the power-off housing, and a reed switch disposed in the assembly cavity and inductively cooperating with the magnetic ring; An oil outlet component, one end of which is sleeved on the stepped portion and threadedly connected to the stepped portion to position the ring sleeve portion.

2. The brake handle power-off structure according to claim 1, characterized in that: The power-off component further includes: An adjustment spring, which is disposed in the assembly cavity, and both ends thereof are respectively connected to the first end of the reed switch and the inner wall of the assembly cavity; A screw sleeve, the first end of which has an external thread, and the external thread is connected to the internal thread provided at the opening end of the assembly cavity, and the first end thereof abuts against the second end of the reed switch.

3. The brake handle power-off structure according to claim 2, characterized in that: A wire passing hole is formed in the middle of the screw sleeve, and a cable is passed through the wire passing hole, and one end of the cable is connected to the second end of the reed switch.

4. The brake handle power-off structure according to claim 1, characterized in that: A brake handle is rotatably assembled on one side of the upper pump body away from the stepped portion through a rotating pin, and the brake handle is movably connected to the oil cylinder piston through a piston rod.

5. The brake handle power-off structure according to claim 1, characterized in that: An assembly portion is provided at the second end of the power-off housing, and the assembly portion is fixed to the outer wall surface of the upper pump body by screws.

6. The brake handle power-off structure according to claim 1, wherein: A beam lock is integrally formed at the lower part of the upper pump body, and the beam lock is detachably fixed to the bicycle handlebar tube by a fastening bolt.

7. A power-off brake lever, characterized in that, It includes the brake handle power-off structure according to any one of claims 1-6 above.

8. The power-off brake lever according to claim 7, wherein: Further comprising: An oil sump component, which has an oil sump cavity formed on the upper pump body and an elastic adjusting component disposed in the oil sump cavity, and the oil sump cavity is communicated with the oil cylinder cavity to adjust the brake oil pressure.

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