Motorcycle hydraulic clutch cylinder

Abstract

The utility model discloses a motorcycle hydraulic clutch cylinder which comprises a cylinder body and an oil injection nozzle arranged on the side wall of the cylinder body, the oil injection nozzle is communicated with the cylinder body, a threaded pipe is arranged at the front end of the cylinder body, a rear end cover is in threaded connection with the rear end of the cylinder body, a rod body is connected in the cylinder body in a sliding mode, and a piston assembly is arranged at the rear end of the rod body. The oil injection nozzle is connected with the external oil pump, the round head is connected with the clutch external connecting seat, the structure of the clutch external connecting seat is shown in the figure, a gap between the round head and the multi-edge stud can be adjusted, connection stability is guaranteed, the nut a is used for fixing the cylinder body, and after the oil pump is started, oil pressure in the cylinder body rises, and the cylinder body is prevented from being damaged. A piston structure composed of a conical sealing ring and a circular seat is driven to slide, a rod body is driven to move, control over a clutch is achieved, a C-shaped elastic ring limits displacement of an annular seat, the annular sealing ring is compressed, fixed and subjected to compression deformation through resilience force of an elastic piece, a gap between the rod body and a cylinder body is filled, and the sealing performance of the rod body and the cylinder body is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle accessories, in particular to a hydraulic clutch cylinder for a motorcycle. Background Art

[0002] The function of a motorcycle clutch is similar to that of a car clutch. The clutch disconnects the engine from the transmission and is required for starting and shifting gears. The clutch is a crucial component in the transmission system; without it, the driver would be unable to shift gears or start the motorcycle. Existing clutches use a clutch handle to drive the clutch cable to control the clutch. However, the clutch cable is prone to rust and breakage after long-term use, affecting the motorcycle's normal operation. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a motorcycle hydraulic clutch cylinder.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A motorcycle hydraulic clutch cylinder comprises a cylinder body and an oiling nozzle arranged on its side wall, the oiling nozzle is connected to the cylinder body, the front end of the cylinder body is provided with a threaded tube, the rear end of the cylinder body is threadedly connected to a rear end cover, a rod body is slidably connected in the cylinder body, the rear end of the rod body is provided with a piston assembly, a sealing assembly is provided at the connection between the cylinder body and the rod body, a cylinder body mounting structure is provided on the threaded tube, and a clutch mounting structure is provided at the front end of the rod body.

[0006] Preferably, the piston assembly includes a circular seat threadedly connected to the end of the rod body, an annular groove is provided in the middle of the circular seat, and a conical sealing ring is provided in the annular groove.

[0007] Preferably, the sealing assembly includes an annular sealing ring and an elastic member sleeved on the rod body, an annular seat is provided at both ends of the elastic member, a C-shaped elastic ring is provided on the side of the annular seat away from the elastic member, and an annular groove corresponding to the C-shaped elastic ring is provided on the inner wall of the cylinder body.

[0008] Preferably, the clutch mounting structure includes a nut b and a polygonal stud threadedly connected to the end of the rod body, the nut b and the polygonal stud are threadedly arranged in opposite directions, and the end of the polygonal stud is threadedly connected with a round head.

[0009] Preferably, the cylinder mounting structure includes two nuts a threadedly connected to the threaded tube, and the threads of the two nuts a are arranged in opposite directions.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the oil filling nozzle in the present invention is connected to the external oil pump, and the round head is connected to the external connecting seat of the clutch. The structure of the external connecting seat of the clutch is shown in the figure. The gap between the round head and the polygonal stud can be adjusted to ensure the stability of the connection. Nut a is used to fix the cylinder body. After the oil pump is started, the oil pressure in the cylinder body increases, driving the piston structure composed of the conical sealing ring and the circular seat to slide, driving the rod body to move, and realizing control of the clutch. The C-shaped elastic ring limits the displacement of the annular seat. The rebound force of the elastic part compresses the annular sealing ring, fixes it, compresses and deforms it, fills the gap between the rod body and the cylinder body, and ensures its sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more specifically and intuitively illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0012] Figure 1 This is a schematic diagram of the structure proposed by the utility model;

[0013] Figure 2 This is a side view schematic diagram of the structure proposed by the utility model;

[0014] Figure 3 for Figure 2 Schematic diagram of the middle AA section;

[0015] Figure 4 It is the external connection seat of the motorcycle clutch.

[0016] In the figure: cylinder body 1, rear end cover 2, oiling nozzle 3, threaded pipe 4, nut a5, nut b6, polygonal stud 7, round head 8, round seat 9, conical sealing ring 10, rod body 11, C-type elastic ring 12, annular sealing ring 13, annular seat 14, elastic member 15. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Reference Figure 1-4 A motorcycle hydraulic clutch cylinder includes a cylinder body 1 and an oiling nozzle 3 arranged on its side wall. The oiling nozzle 3 is connected to the cylinder body 1. A threaded tube 4 is provided at the front end of the cylinder body 1. A rear end cover 2 is threadedly connected to the rear end of the cylinder body 1. A rod body 11 is slidably connected in the cylinder body 1. A piston assembly is provided at the rear end of the rod body 11. A sealing assembly is provided at the connection between the cylinder body 1 and the rod body 11. A cylinder body mounting structure is provided on the threaded tube 4. A clutch mounting structure is provided at the front end of the rod body 11.

[0019] The oiling nozzle 3 is connected to the external oil pump, and the round head 8 is connected to the external connecting seat of the clutch. The structure of the external connecting seat of the clutch is as follows: Figure 4 As shown, the gap between the round head 8 and the polygonal stud 7 can be adjusted to ensure the stability of the connection. The nut a5 is used to fix the cylinder body 1. After the oil pump is started, the oil pressure in the cylinder body 1 increases, driving the piston structure composed of the conical sealing ring 10 and the circular seat 9 to slide, driving the rod body 11 to move, and realizing the control of the clutch. The C-shaped elastic ring 12 limits the displacement of the annular seat 14, and the rebound force of the elastic member 15 compresses the annular sealing ring 13, fixes it, compresses and deforms it, fills the gap between the rod body 11 and the cylinder body 1, and ensures its sealing.

[0020] In this embodiment, the piston assembly includes a circular seat 9 threadedly connected to the end of the rod body 11. An annular groove is provided in the middle of the circular seat 9, and a conical sealing ring 10 is provided in the annular groove. A detachable assembly method is adopted to facilitate its replacement and maintenance.

[0021] In this embodiment, the sealing assembly includes an annular sealing ring 13 and an elastic member 15 that are sleeved on the rod body 11. An annular seat 14 is provided at both ends of the elastic member 15. A C-shaped elastic ring 12 is provided on the side of the annular seat 14 away from the elastic member 15. The inner wall of the cylinder body 1 is provided with an annular groove corresponding to the C-shaped elastic ring 12.

[0022] In this embodiment, the clutch mounting structure includes a nut b6 and a polygonal stud 7 threadedly connected to the end of the rod body 11. The nut b6 and the polygonal stud 7 are threaded in opposite directions, and the end of the polygonal stud 7 is threadedly connected with a round head 8.

[0023] In this embodiment, the cylinder mounting structure includes two nuts a5 threadedly connected to the threaded tube 4, and the threads of the two nuts a5 are arranged in opposite directions.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A motorcycle hydraulic clutch cylinder, comprising a cylinder body (1) and an oiling nozzle (3) arranged on a side wall thereof, wherein the oiling nozzle (3) is connected to the cylinder body (1), and is characterized in that: The front end of the cylinder body (1) is provided with a threaded tube (4), the rear end of the cylinder body (1) is threadedly connected to a rear end cover (2), a rod body (11) is slidably connected in the cylinder body (1), a piston assembly is provided at the rear end of the rod body (11), a sealing assembly is provided at the connection between the cylinder body (1) and the rod body (11), a cylinder body mounting structure is provided on the threaded tube (4), and a clutch mounting structure is provided at the front end of the rod body (11).

2. A motorcycle hydraulic clutch cylinder according to claim 1, characterized in that: The piston assembly comprises a circular seat (9) threadedly connected to the end of the rod body (11), an annular groove is provided in the middle of the circular seat (9), and a conical sealing ring (10) is provided in the annular groove.

3. A motorcycle hydraulic clutch cylinder according to claim 2, characterized in that: The sealing assembly comprises an annular sealing ring (13) sleeved on the rod body (11) and an elastic member (15), an annular seat (14) is provided at both ends of the elastic member (15), a C-shaped elastic ring (12) is provided on the side of the annular seat (14) away from the elastic member (15), and an annular groove corresponding to the C-shaped elastic ring (12) is provided on the inner wall of the cylinder body (1).

4. A motorcycle hydraulic clutch cylinder according to claim 3, characterized in that: The clutch mounting structure comprises a nut b (6) and a polygonal stud (7) threadedly connected to the end of the rod body (11); the threads of the nut b (6) and the polygonal stud (7) are arranged in opposite directions; and the end of the polygonal stud (7) is threadedly connected to a round head (8).

5. The motorcycle hydraulic clutch cylinder according to claim 4, characterized in that: The cylinder mounting structure comprises two nuts a (5) threadedly connected to a threaded pipe (4), and the threads of the two nuts a (5) are arranged in opposite directions.

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