Sealing assembly for clutch piston cavity
By designing a combination of a dust cover, a fixing tube, an O-ring and a threaded sleeve in the clutch piston cavity, the problem of insufficient sealing of the clutch piston cavity is solved, effective dust isolation is achieved, and the normal operation of the piston and the safety of the clutch are ensured.
Patent Information
- Application Number
- CN202422782194.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The existing automobile clutch piston cavity lacks effective sealing and dust protection, which causes dust to enter the piston cavity and affect the normal sliding of the piston.
A sealing assembly including a dust cover, a fixed tube, an O-ring, a tapered block and a threaded sleeve was designed. The sealing protection of the clutch piston cavity was achieved through sliding connection and threaded connection. The O-ring and the support rod were tightly fitted to block dust, the tapered block was used to pre-clean dust, and the threaded sleeve was firmly connected to the connecting pipe.
The clutch piston cavity is effectively sealed to prevent dust from entering, ensuring the normal sliding of the piston and improving the safety and stability of the clutch.
Smart Images

Figure CN223411308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clutches, in particular to a sealing assembly for a clutch piston cavity. Background Art
[0002] The clutch is located in the flywheel housing between the engine and transmission. The clutch assembly is screwed to the rear surface of the flywheel. The clutch's output shaft is the transmission's input shaft. While the car is in motion, the driver can depress or release the clutch pedal as needed to temporarily disengage and gradually engage the engine and transmission, cutting off or transferring power from the engine to the transmission.
[0003] The existing automobile clutch has a piston cavity, and a piston is provided in the piston cavity. The position of the piston is controlled by the outside world through a support rod. At the same time, the existing clutch port is sleeved with a dust cover. Since the dust cover is made of rubber and has a certain flexibility, it cannot provide sealed dust protection for the clutch piston cavity port. Therefore, dust on the support rod will enter the clutch piston cavity and accumulate, affecting the expansion and contraction sliding of the piston. For this reason, we provide a sealing assembly for the clutch piston cavity. Utility Model Content
[0004] The purpose of the utility model is to solve the defect in the prior art that a dust cover for a clutch port cannot provide sealed dust protection, and to provide a sealing assembly for a clutch piston cavity.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing assembly for a clutch piston chamber, comprising: a main body mechanism, the main body mechanism comprising a clutch body, the interior of the clutch body being sleeved with a support rod, one end of the clutch body being provided with a sealing mechanism, the sealing mechanism comprising a dust sleeve, the dust sleeve being sleeved on the outer surface of the clutch body, the dust sleeve being slidably connected to the clutch body, one end of the dust sleeve being provided with a fixing tube, the fixing tube being fixedly connected to the dust sleeve, an O-ring being provided in an installation groove opened inside the fixing tube, two O-rings being provided, one end of the fixing tube being provided with a tapered block, the tapered block being fixedly connected to the fixing tube, the outer surface of the dust sleeve being sleeved with a threaded sleeve, the threaded sleeve being threadedly connected to the dust sleeve, the outer surface of the clutch body being sleeved with a connecting tube, the connecting tube being fixedly connected to the clutch body, and the threaded sleeve being sleeved on the outer surface of the connecting tube.
[0006] As a preferred embodiment, the threaded sleeve is threadedly connected to the connecting pipe, and a sliding ring is sleeved on the outer surface of the dust cover, and the sliding ring is slidably connected to the dust cover.
[0007] As a preferred embodiment, an embedded ring is sleeved inside the sliding ring, and the embedded ring is rotatably connected to the sliding ring.
[0008] As a preferred embodiment, the embedded ring is fixedly connected to the threaded sleeve, and a fixing ring is sleeved on the outer surface of the dustproof sleeve.
[0009] As a preferred embodiment, the fixing ring is fixedly connected to the dustproof sleeve, and a spring is sleeved on the outer surface of the dustproof sleeve.
[0010] As a preferred embodiment, both ends of the spring are fixedly connected to the outer surfaces of the sliding ring and the fixed ring respectively.
[0011] As a preferred embodiment, the conical block is sleeved on the outer surface of the support rod, and the conical block is slidably connected to the support rod.
[0012] Compared with the prior art, the advantages and positive effects of the present invention are:
[0013] The utility model provides a sealing mechanism so that the port of the clutch piston cavity can be sealed, so that external dust will not enter the interior of the clutch piston cavity through the support rod, thereby preventing dust from gathering inside the clutch piston cavity and affecting the sliding of the piston in the clutch piston cavity, thereby ensuring the normal operation and safety of the automobile clutch during use; an O-ring is provided, and the O-ring can fit tightly with the outer surface of the support rod, thereby ensuring that dust on the support rod does not enter the interior of the clutch piston cavity; a threaded sleeve and a connecting pipe are provided, so that the dust sleeve can be firmly connected to the clutch body, thereby maintaining continuous dust-proof protection for the clutch piston cavity. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a three-dimensional diagram of a sealing assembly for a clutch piston chamber provided by the present invention.
[0015] Figure 2 This is a disassembled schematic diagram of a sealing assembly for a clutch piston chamber provided by the utility model.
[0016] Figure 3 This is a disassembled schematic diagram of a sealing assembly for a clutch piston chamber provided by the utility model.
[0017] Figure 4 This is a schematic diagram of the spring installation of a sealing assembly for a clutch piston chamber provided by the utility model.
[0018] Figure 5 This is a schematic diagram of the installation of an O-ring of a sealing assembly for a clutch piston chamber provided by the utility model.
[0019] Figure 6 This is a schematic diagram of the installation of an embedded ring of a sealing assembly for a clutch piston chamber provided by the utility model.
[0020] Legend:
[0021] 1. Main body; 2. Sealing mechanism; 11. Clutch body; 12. Support rod; 21. Dust cover;
[0022] 22. Fixed pipe; 23. O-ring; 24. Conical block; 25. Threaded sleeve; 26. Connecting pipe;
[0023] 27. Sliding ring; 28. Embedded ring; 29. Fixed ring; 201. Spring. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] Example 1
[0026] like Figures 1-6 As shown, the utility model provides a technical solution: a sealing assembly for a clutch piston chamber, comprising: a main body mechanism 1, the main body mechanism 1 includes a clutch body 11, the interior of the clutch body 11 is sleeved with a support rod 12, one end of the clutch body 11 is provided with a sealing mechanism 2, the sealing mechanism 2 includes a dust cover 21, the dust cover 21 is sleeved on the outer surface of the clutch body 11, the dust cover 21 is slidably connected to the clutch body 11, one end of the dust cover 21 is provided with a fixed tube 22, the fixed tube 22 is fixedly connected to the dust cover 21, and the fixed tube An O-ring 23 is provided in the mounting groove opened inside 22, and the number of O-rings 23 is two. A conical block 24 is provided at one end of the fixed tube 22, and the conical block 24 is fixedly connected to the fixed tube 22. The outer surface of the dust cover 21 is sleeved with a threaded sleeve 25, and the threaded sleeve 25 is threadedly connected to the dust cover 21. The outer surface of the clutch body 11 is sleeved with a connecting pipe 26, and the connecting pipe 26 is fixedly connected to the clutch body 11. The threaded sleeve 25 is sleeved on the outer surface of the connecting pipe 26, and the threaded sleeve 25 is threadedly connected to the connecting pipe 26.
[0027] In this embodiment, by providing a dust cover 21, the port of the clutch body 11 can be covered and protected, so that external dust will not be introduced into the interior of the clutch body 11, and a fixing tube 22 is provided, and an O-ring 23 is provided in the mounting groove opened inside the fixing tube 22. The deformable characteristics of the O-ring 23 are utilized to enable the O-ring 23 to be sleeved on the outer surface of the support rod 12, and then when the support rod 12 is telescopically slid, the O-ring 23 can block the dust on the support rod 12 and prevent it from entering. The interior of the clutch body 11 is provided with a conical block 24 to achieve a sealed and dustproof effect. The conical block 24 is conical, so that the conical block 24 can pre-clean the dust and debris on the support rod 12 when the support rod 12 is telescopically slid. In addition, a threaded sleeve 25 is provided, and the threaded sleeve 25 is threadedly connected to the dust cover 21 and the connecting pipe 26. Thus, the threaded sleeve 25 can connect the dust cover 21 and the connecting pipe 26, thereby enabling the dust cover 21 and other components to be firmly sleeved on the outer surface of the clutch body 11.
[0028] Example 2
[0029] like Figures 1-6 As shown, the outer surface of the dust sleeve 21 is sleeved with a sliding ring 27, which is slidingly connected to the dust sleeve 21, and the interior of the sliding ring 27 is sleeved with an embedded ring 28, which is rotatably connected to the sliding ring 27, and the embedded ring 28 is fixedly connected to the threaded sleeve 25. The outer surface of the dust sleeve 21 is sleeved with a fixed ring 29, which is fixedly connected to the dust sleeve 21, and the outer surface of the dust sleeve 21 is sleeved with a spring 201, and the two ends of the spring 201 are respectively fixedly connected to the outer surfaces of the sliding ring 27 and the fixed ring 29, and the conical block 24 is sleeved on the outer surface of the support rod 12, and the conical block 24 is slidingly connected to the support rod 12.
[0030] In this embodiment, a sliding ring 27 is provided, and the sliding ring 27 is sliding, so it can slide on the dust cover 21 under the action of the threaded sleeve 25, so that the spring 201 fixedly connected to the sliding ring 27 can continuously apply elastic force to the threaded sleeve 25, ensuring that the threaded sleeve 25 and the connecting pipe 26 will not be separated. In addition, an embedded ring 28 is provided, and the embedded ring 28 can rotate inside the sliding ring 27, so that the threaded sleeve 25 will not drive the sliding ring 27 to rotate when it rotates.
[0031] Working principle:
[0032] like Figures 1-6As shown, when the present invention is in use, the support rod 12 can first pass through the tapered block 24 and enter the interior of the fixed tube 22, and the O-ring 23 can be squeezed and deformed so that the O-ring 23 is sleeved on the outer surface of the support rod 12, and then the dust cover 21 can be sleeved on the port of the clutch body 11, and the support rod 12 enters the interior of the clutch body 11. At this time, when the support rod 12 is acted upon by the outside world, the piston inside the clutch body 11 can be squeezed, thereby enabling the clutch body 11 to function. At this time, when the dust cover 21 is sleeved on the port of the clutch body 11, the dust cover 21 will be in a position with the connecting tube 26 fixedly connected to the clutch body 11. The threaded sleeve 25 is in the fitted state, and then the threaded sleeve 25 is rotated. When the threaded sleeve 25 rotates, it will drive the embedded ring 28 to rotate inside the sliding ring 27, so that the threaded sleeve 25 can drive the sliding ring 27 to slide on the dust cover 21, and then the spring 201 that was previously in a compressed state will partially rebound, and the elastic force generated by it will act on the threaded sleeve 25 through the sliding ring 27. At this time, the threaded sleeve 25 is continued to be rotated until the threaded sleeve 25 is in a threaded connection with the dust cover 21 and the connecting pipe 26 at the same time and can no longer be rotated. The entire sealing mechanism 2 is then installed, and the clutch body 11 will be sealed and dustproof protected.
[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A sealing assembly for a clutch piston chamber, characterized in that: include: The main body mechanism (1) comprises a clutch body (11), a support rod (12) is sleeved inside the clutch body (11), a sealing mechanism (2) is provided at one end of the clutch body (11), the sealing mechanism (2) comprises a dust cover (21), the dust cover (21) is sleeved on the outer surface of the clutch body (11), the dust cover (21) is slidably connected to the clutch body (11), a fixed tube (22) is provided at one end of the dust cover (21), the fixed tube (22) is fixedly connected to the dust cover (21), and the fixed tube (22) is internally opened. An O-ring (23) is provided in the mounting groove, and the number of the O-rings (23) is two. A conical block (24) is provided at one end of the fixed tube (22), and the conical block (24) is fixedly connected to the fixed tube (22). A threaded sleeve (25) is sleeved on the outer surface of the dust cover (21), and the threaded sleeve (25) is threadedly connected to the dust cover (21). A connecting pipe (26) is sleeved on the outer surface of the clutch body (11), and the connecting pipe (26) is fixedly connected to the clutch body (11). The threaded sleeve (25) is sleeved on the outer surface of the connecting pipe (26).
2. A clutch piston chamber sealing assembly according to claim 1, characterized in that: The threaded sleeve (25) is threadedly connected to the connecting pipe (26); the outer surface of the dust cover (21) is sleeved with a sliding ring (27); and the sliding ring (27) is slidably connected to the dust cover (21).
3. A clutch piston chamber sealing assembly according to claim 2, characterized in that: An embedded ring (28) is sleeved inside the sliding ring (27), and the embedded ring (28) is rotatably connected to the sliding ring (27).
4. A clutch piston chamber sealing assembly according to claim 3, characterized in that: The embedded ring (28) is fixedly connected to the threaded sleeve (25), and the outer surface of the dustproof sleeve (21) is sleeved with a fixing ring (29).
5. The clutch piston chamber sealing assembly according to claim 4, characterized in that: The fixing ring (29) is fixedly connected to the dustproof sleeve (21), and a spring (201) is sleeved on the outer surface of the dustproof sleeve (21).
6. A clutch piston chamber sealing assembly according to claim 5, characterized in that: The two ends of the spring (201) are fixedly connected to the outer surfaces of the sliding ring (27) and the fixed ring (29), respectively.
7. The clutch piston chamber sealing assembly according to claim 1, characterized in that: The conical block (24) is sleeved on the outer surface of the support rod (12), and the conical block (24) is slidably connected to the support rod (12).