Oil pressure disc brake clamp with adjustable stroke
The modular brake caliper with adjustable lever height and magnetic disconnect mechanism addresses the bulkiness and weight issues of existing designs, enhancing ergonomics and compatibility for improved braking efficiency.
Patent Information
- Application Number
- CN202421588539.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-07
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-07
AI Technical Summary
The existing hydraulic disc brake calipers are large in size and heavy in weight, which are inconvenient to adjust the handle, which affects user experience and application scenarios.
A hydraulic disc brake clamp with adjustable stroke is designed, using push rod assembly, power failure assembly and oil pipe assembly. The left and right upper pumps are interchangeably assembled through magnets and power failure lines, adjusting the handle height, and compatible with different models.
It achieves high and stable brake transmission efficiency and strong braking force, adapted to different models, and users can freely adjust the handle height to enhance the sense of use.
Smart Images

Figure CN223100924U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a disc brake caliper, in particular to an oil pressure disc brake caliper with adjustable stroke. Background Technique
[0002] There are some deficiencies in the design of the existing oil pressure disc brake calipers on the current market, mainly manifested in aspects such as large volume, heavy weight, and inconvenient adjustment of the handle height.
[0003] First of all, the problems of the volume and weight of the oil pressure disc brake caliper are the biggest troubles felt by users during installation and use. The large volume and weight not only increase the installation difficulty but also limit its application in different scenarios. Secondly, due to the design reasons of the existing products, users need to spend more time and effort in adjusting the handle height, which to a certain extent affects the user experience. Content of the Utility Model
[0004] The technical problem to be solved by the utility model is to provide an oil pressure disc brake caliper with adjustable stroke, which has high braking transmission efficiency, smooth braking, strong braking force, and can be assembled and used with the left and right master cylinders interchangeably; through a labor-saving lever, the handle height can be freely adjusted to improve the user experience; it is applicable to electric bicycles, motorized bicycles, and bicycles.
[0005] The oil pressure disc brake caliper with adjustable stroke of the utility model is realized through the following technical solutions, including:
[0006] A caliper body, an oil cavity is arranged on the caliper body, and an oil cup gasket and an oil cover are sequentially locked on the front of the oil cavity. One end of the caliper body is rotatably connected with a handle through a shaft structure;
[0007] A push rod assembly, the push rod assembly is arranged in a push rod hole at one end of the caliper body and is communicated with the oil cavity of the caliper body; the other end of the push rod assembly is connected with the handle;
[0008] A power-off assembly, the power-off assembly is arranged at the other end of the caliper body, and the power-off assembly is communicated with the push rod assembly;
[0009] A tubing assembly, the tubing assembly is also arranged at the other end of the caliper assembly, and the tubing assembly is communicated with the oil cavity of the caliper body.
[0010] As a preferred technical solution, the push rod assembly includes a piston spring, a magnet, a piston, and a push rod;
[0011] An A5-V ring and an A6-V ring are respectively arranged at both ends of the piston, and a magnet is installed at one end of the piston; a push rod is installed at the other end of the piston, and a washer and a C-type snap ring are installed on the push rod; an adjusting screw is arranged at the other end of the push rod, and the adjusting screw is in threaded connection with an adjusting rotating shaft rotatably arranged on the handle, so as to adjust the tilting height of the handle; a piston spring is arranged in the push rod hole of the clamp body, and the piston is inserted into the push rod hole and contacts with the piston spring.
[0012] As a preferred technical solution, the rotating shaft structure includes a bearing, a bearing fixing screw and a handle fixing shaft;
[0013] The bearings are symmetrically arranged on the handle groove at one end of the clamp body, the handle fixing shaft is arranged in the handle groove, and the handle fixing shaft is installed on the bearing through the bearing fixing screw; a check screw is arranged on the handle, and the handle is fixed to the handle fixing shaft through the check screw.
[0014] As a preferred technical solution, the power-off component includes a power-off wire, a power-off wire screw and a power-off spring;
[0015] The power-off wire screw is installed at one end of the power-off wire, and the power-off wire screw is installed in the power-off wire installation hole at the other end of the clamp body; the power-off spring is arranged in the power-off wire installation hole and is connected with the power-off wire screw; the power-off wire screw is fixed in the power-off wire installation hole of the clamp body through a locking screw.
[0016] As a preferred technical solution, the oil pipe assembly includes an oil needle oil seal, a pointed screw, a copper sleeve, a compression screw, a compression nut and an oil pipe;
[0017] The compression nut is installed at one end of the oil pipe, the front end of the compression screw is successively installed with a copper sleeve and a pointed screw, and the compression screw is placed in the oil pipe installation hole of the clamp body and communicated with the oil cavity; the compression nut is connected with the compression screw; an oil needle oil seal is arranged at the end of the pointed screw.
[0018] As a preferred technical solution, oil injection holes are arranged above and below the clamp body, and the oil injection holes are communicated with the oil cavity; an oil injection screw is arranged on the oil injection hole, and an oil injection oil seal is arranged on the oil injection screw.
[0019] As a preferred technical solution, a fixing ring is further arranged on the clamp body, the fixing ring includes an upper lock catch and a lower lock catch, the upper lock catch is fixed on the clamp body, the upper lock catch and the lower lock catch are connected by a pin and are locked and tightened by a lock handle screw.
[0020] As a preferred technical solution, an oil cup gasket and an oil cap are fixed on the oil cavity of the clamp body through a plum blossom screw.
[0021] The beneficial effects of the utility model are:
[0022] 1. The overall appearance of the utility model is designed with lightweight, small in size and reliable in performance. By assembling a power-off device, it is compatible with ordinary vehicles and electric vehicles.
[0023] 2. Under the condition that the fulcrum remains unchanged, the utility model adjusts the leverage ratio of the product to adapt to the single-finger brake handle, which saves effort during braking and improves the user experience.
[0024] 3. Through the magnetic induction wire-breaking device, according to the settings of the wire-breaking wire and the magnet, the wire-breaking wire connector can be configured according to the vehicle model, with good compatibility.
[0025] 4. The brake handle of the utility model is connected by bearing locking, with higher precision and less friction; when pressing down the handle, it runs smoothly, is wear-resistant and has low noise, increasing the service life.
[0026] 5. The tail end of the push rod of the utility model can adjust the height of the handle, and the user can freely adjust the handle height according to personal habits to achieve the best riding feel. Description of the Drawings
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0028] Figure 1 and Figure 2 is the three-dimensional structure schematic diagram of the present utility model;
[0029] Figure 3 is the exploded structure schematic diagram of the present utility model.
[0030] Description of the Reference Numerals in the Drawings:
[0031] 1. Wire-breaking wire; 2. Wire-breaking wire screw; 3. Power-off spring; 5. Grease injection oil seal; 6. Grease injection screw; 7. Clamp body; 8. Bearing; 9. Bearing fixing screw; 10. Piston spring; 11. Magnet; 12. A5-V ring; 13. Piston; 14. A6-V ring; 15. Push rod; 16. Washer; 17. C-type snap ring; 19. Handle; 20. Adjusting rotating shaft; 21. Handle fixing shaft; 22. Lock handle screw; 23. Upper lock catch; 24. Pin; 25. Lower lock catch; 26. Oil cup gasket; 27. Oil cap; 28. Plum blossom screw; 29. Oil needle oil seal; 30. Pointed screw; 31. Copper bushing; 32. Compression screw; 33. Compression nut; 34. Oil pipe. Detailed Embodiments
[0032] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.
[0033] like Figures 1 - 3 As shown, the utility model is a hydraulic disc brake caliper with adjustable stroke, comprising:
[0034] A clamp body 7, wherein an oil chamber is provided on the clamp body 7, and an oil cup pad 26 and an oil cover 27 are sequentially locked and provided on the front of the oil chamber, and one end of the clamp body 7 is rotatably connected to a handle 19 through a rotating shaft structure;
[0035] A push rod 15 assembly, which is disposed in a push rod hole at one end of the clamp body 7 and communicates with the oil chamber of the clamp body 7; the other end of the push rod 15 assembly is connected to a handle 19;
[0036] A power-off assembly, which is disposed at the other end of the clamp body 7 and is connected to the push rod 15 assembly;
[0037] The oil pipe assembly is also arranged at the other end of the clamp assembly, and the oil pipe assembly is communicated with the oil cavity of the clamp body 7.
[0038] In addition, the push rod 15 assembly includes a piston spring 10, a magnet 11, a piston 13 and a push rod 15;
[0039] The two ends of the piston 13 are respectively provided with an A5-V ring 12 and an A6-V ring 14, and the magnet 11 is installed at one end of the piston 13; the push rod 15 is installed at the other end of the piston 13, and a washer 16 and a C-shaped retaining ring 17 are installed on the push rod 15; the other end of the push rod 15 is provided with an adjusting screw, and the adjusting screw is threadedly connected with an adjusting shaft 20 rotatably arranged on the handle 19, and the tilting height of the handle 19 is adjusted by adjusting the adjusting screw; the piston spring 10 is arranged in the push rod hole of the clamp body 7, and the piston 13 is inserted into the push rod hole and contacts with the piston spring 10.
[0040] The rotating shaft structure includes a bearing 8, a bearing fixing screw 9 and a handle 19 fixing the shaft;
[0041] The bearing 8 is symmetrically arranged on the handle groove at one end of the clamp body 7, the handle 19 fixing shaft is arranged in the handle groove, and the handle 19 fixing shaft is installed on the bearing 8 by the bearing fixing screw 9; a set screw is arranged on the handle 19, and the handle 19 is fixed to the handle 19 fixing shaft by the set screw.
[0042] In addition, the power-off assembly includes a power-off wire 1, a power-off wire screw 2, and a power-off spring 3;
[0043] The broken wire screw 2 is installed at one end of the broken wire 1, and the broken wire screw 2 is installed in the broken wire installation hole at the other end of the clamp body 7; the power-off spring 3 is arranged in the broken wire installation hole and is connected with the broken wire screw 2; the broken wire screw 2 is fixed in the broken wire installation hole of the clamp body 7 by a locking screw.
[0044] Among them, the oil pipe assembly includes an oil needle oil seal 29, a pointed screw 30, a copper sleeve 31, a compression screw 32, a compression nut 33 and an oil pipe 34;
[0045] The compression nut 33 is installed at one end of the oil pipe 34. The front end of the compression screw 32 is successively installed with a copper sleeve 31 and a pointed screw 30. The compression screw 32 is placed in the oil pipe 34 installation hole of the clamp body 7 and is communicated with the oil cavity; the compression nut 33 is connected with the compression screw 32; an oil needle oil seal 29 is arranged at the end of the pointed screw 30.
[0046] Among them, oil injection holes are arranged above and below the clamp body 7, and the oil injection holes are communicated with the oil cavity; an oil injection screw 6 is arranged on the oil injection hole, and an oil injection oil seal 5 is arranged on the oil injection screw 6 to play a role in sealing.
[0047] In addition, a fixing ring is also arranged on the clamp body 7. The fixing ring includes an upper lock catch 23 and a lower lock catch 25. The upper lock catch 23 is fixed on the clamp body 7. The lower lock catch 25 is connected with the lower lock catch 25 through a pin 24 and is connected and locked through a lock handle screw 22 to adapt to handles with different diameters.
[0048] In addition, an oil cup gasket 26 and an oil cover 27 are fixed on the oil cavity of the clamp body 7 through a plum blossom screw 28, thereby playing a role in sealing.
[0049] When loading the vehicle, it can be installed arbitrarily without distinguishing the left and right brake handle directions. During riding, by pressing the brake handle down, the piston is pushed, thereby pushing the brake oil in the cylinder body through the oil pipe to push the piston of the lower pump clamp, and then pushing the brake pads to clamp the disc to achieve braking. The utility model installed on a bicycle can adjust the distance between the push rod and the brake handle according to personal feel or force. This operation is convenient and fast, improving the user experience.
[0050] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that can be thought of without creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims
1. An oil pressure disc brake caliper with adjustable stroke, characterized in that, include: A clamp body (7), wherein an oil chamber is arranged on the clamp body (7), and an oil cup pad (26) and an oil cover (27) are sequentially locked and arranged on the front of the oil chamber, and one end of the clamp body (7) is rotatably connected to a handle (19) via a rotating shaft structure; A push rod (15) assembly, wherein the push rod (15) assembly is disposed in a push rod hole at one end of the clamp body (7) and is communicated with the oil chamber of the clamp body (7); the other end of the push rod (15) assembly is connected to a handle (19); A power-off component, which is arranged at the other end of the clamp body (7) and is connected to the push rod (15) component; An oil pipe assembly is also arranged at the other end of the clamp assembly, and the oil pipe assembly is communicated with the oil cavity of the clamp body (7).
2. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: The push rod (15) assembly comprises a piston spring (10), a magnet (11), a piston (13) and a push rod (15); The two ends of the piston (13) are respectively provided with an A5-V ring (12) and an A6-V ring (14), and the magnet (11) is installed on one end of the piston (13); the push rod (15) is installed on the other end of the piston (13), and a washer (16) and a C-shaped retaining ring (17) are installed on the push rod (15); the other end of the push rod (15) is provided with an adjusting screw, and the adjusting screw is threadedly connected with an adjusting shaft (20) rotatably arranged on the handle (19), thereby adjusting the tilting height of the handle (19); the piston spring (10) is arranged in the push rod hole of the clamp body (7), and the piston (13) is inserted into the push rod hole and contacts with the piston spring (10).
3. The hydraulic disc brake caliper with adjustable stroke according to claim 1, wherein: The rotating shaft structure comprises a bearing (8), a bearing fixing screw (9) and a handle (19) fixing shaft; The bearing (8) is symmetrically arranged on the handle groove at one end of the clamp body (7); the handle (19) fixing shaft is arranged in the handle groove, and the handle (19) fixing shaft is installed on the bearing (8) by means of a bearing fixing screw (9); a set screw is arranged on the handle (19), and the handle (19) is fixed to the handle (19) fixing shaft by means of the set screw.
4. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: The power-off assembly comprises a power-off wire (1), a power-off wire screw (2) and a power-off spring (3); The wire-breaking screw (2) is installed at one end of the wire-breaking screw (1), and the wire-breaking screw (2) is installed in the wire-breaking mounting hole at the other end of the clamp body (7); the wire-breaking spring (3) is arranged in the wire-breaking mounting hole and is connected to the wire-breaking screw (2); the wire-breaking screw (2) is fixed in the wire-breaking mounting hole of the clamp body (7) by a locking screw.
5. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: The oil pipe assembly comprises an oil needle oil seal (29), a needle-nosed screw (30), a copper sleeve (31), a clamping screw (32), a clamping nut (33) and an oil pipe (34); The compression nut (33) is installed at one end of the oil pipe (34). A copper sleeve (31) and a pointed screw (30) are successively installed at the front end of the compression screw (32). The compression screw (32) is placed in the oil pipe (34) installation hole of the clamp body (7) and communicates with the oil cavity. The compression nut (33) is connected to the compression screw (32). An oil needle oil seal (29) is provided at the end of the pointed screw (30).
6. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: Oil injection holes are provided above and below the clamp body (7), and the oil injection holes communicate with the oil cavity. An oil injection screw (6) is provided on the oil injection hole, and an oil injection oil seal (5) is provided on the oil injection screw (6).
7. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: A fixing ring is further provided on the clamp body (7). The fixing ring includes an upper lock catch (23) and a lower lock catch (25). The upper lock catch (23) is fixed on the clamp body (7). The lower lock catch (25) is connected to the lower lock catch (25) through a pin (24) and is connected and locked through a lock handle screw (22).
8. The adjustable-stroke hydraulic disc brake caliper according to claim 1, wherein: The oil cup gasket (26) and the oil cap (27) are fixed on the oil cavity of the clamp body (7) by a socket head screw (28).