CN216478554U - Integrated mechanical driving clutch assembly - Google Patents
Integrated mechanical driving clutch assembly Download PDFInfo
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- CN216478554U CN216478554U CN202122637954.1U CN202122637954U CN216478554U CN 216478554 U CN216478554 U CN 216478554U CN 202122637954 U CN202122637954 U CN 202122637954U CN 216478554 U CN216478554 U CN 216478554U
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Abstract
The utility model relates to the field of clutch structures, in particular to an integrated mechanical driving clutch assembly, which comprises a clutch shaft, a clutch outer hub, a clutch support, a spring and a piston, wherein the clutch shaft is connected with the clutch outer hub through a shaft; the piston and the spring are arranged on the outer side of the clutch support, the piston is positioned on one side close to the clutch support, and the spring is in a compressed state; and a piston is arranged on the clutch support, one end of the piston, which is close to the clutch support, is provided with a plurality of ejector pins, one end of each ejector pin is in contact with the piston, and the other end of each ejector pin penetrates through the clutch support to be in contact with the friction assembly. The utility model relates to an integrated mechanical driving clutch assembly which is a wet type multi-plate clutch assembly structure with mechanical driving and hydraulic separation, wherein a mechanical system of a clutch is combined, and pressure oil is used for separating the clutch, so that more choices can be provided for the design of an automatic transmission, or the integrated mechanical driving clutch assembly can be used in special mechanical requirements, has compact structure, simplicity, reliability and low cost, and can be widely applied to various automatic transmissions.
Description
Technical Field
The utility model relates to the field of clutch structures, in particular to an integrated mechanical driving clutch assembly.
Background
With the gradual implementation of the development of the Chinese economic society and the encouragement and promotion of the development of the high-end equipment manufacturing industry, the Chinese automobile industry is greatly developed. The wet-type multi-plate clutch is used as a key part of an automobile transmission, is generally used as a gear shifting clutch in automatic transmissions of passenger vehicles and commercial vehicles, and can also be used in non-road transmissions of engineering machinery, agricultural machinery and the like and other special applications.
The traditional wet clutch assembly is basically a hydraulic driving and mechanical separating structure, the electromagnetic valve of the clutch enables the clutch to be combined, and the mechanical system enables the clutch to be separated: the input shaft is fixedly connected with the clutch outer hub, the clutch inner hub is fixedly connected with the output shaft, the piston is fixed under the action force of the spring, the clutch inner hub and the clutch outer hub are separated, and the power of the input shaft cannot be transmitted to the output shaft.
In some special working conditions or applications related to safety functions, the traditional wet clutch assembly limits the design and arrangement of a transmission, and the safety of a whole vehicle can be affected by the failure of the clutch due to external interference or sudden situations such as power failure of the whole vehicle, so that the influence of the external interference is easily received, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
To address the problems in the prior art, the present invention provides an integrated mechanically actuated clutch assembly.
The utility model is realized by the following technical scheme:
an integrated mechanical drive clutch assembly comprises a clutch shaft, a clutch outer hub, a clutch support, a spring and a piston; the clutch outer hub is fixedly connected with the clutch shaft, the clutch support is sleeved on the clutch shaft in a hollow mode, and a friction assembly is arranged between the clutch outer hub and the clutch support;
the piston and the spring are arranged on the outer side of the clutch support, the piston is positioned on one side close to the clutch support, and the spring is in a compressed state;
a piston is arranged on the clutch support, a plurality of ejector pins are arranged at one end, close to the clutch support, of the piston, the ejector pins are uniformly arranged along the circumferential direction of the clutch support, one end of each ejector pin is in contact with the piston, and the other end of each ejector pin penetrates through the clutch support to be in contact with the friction assembly;
a piston cavity is formed between the piston and the clutch support, a piston oil duct is arranged on the clutch shaft and communicated with the piston cavity, and the piston oil duct is communicated with a transmission shell pressure oil duct.
Preferably, the friction assembly comprises a second clamping ring, a back plate, a friction plate, a dual plate and a pressure push plate which are sequentially arranged, the friction plate is connected with the outer hub of the clutch, the dual plate, the pressure push plate and the back plate are all connected with the clutch support, and one end, far away from the piston, of the ejector pin is in contact with the pressure push plate.
Preferably, a first sealing ring and a second sealing ring are arranged between the piston and the clutch support, and the first sealing ring and the second sealing ring are oppositely arranged on the inner side and the outer side of the piston in the motion direction.
Preferably, a third sealing ring is arranged between the ejector pin and the clutch support.
Preferably, the clutch shaft includes diameter increase in proper order and coaxial primary, secondary and tertiary section that sets up, primary is connected with the derailleur casing, tertiary section is connected with the bearing frame, the clutch support is connected on secondary, the outer hub of clutch is connected on tertiary.
Preferably, the two sides of the outer hub of the clutch, which are connected with the three-stage section, are provided with first clamping rings, and the first clamping rings are coaxial with the three-stage section.
Preferably, the two sides of the clutch support connected with the secondary section are both provided with bushings, and the bushings are coaxial with the secondary section.
Preferably, two fourth sealing rings coaxial with the second-stage section are arranged between the clutch support and the second-stage section, and the piston oil duct is located between the two fourth sealing rings.
Preferably, a lubricating oil passage is formed in the clutch shaft, one end of the lubricating oil passage is communicated with a lubricating oil passage in the transmission shell, a plurality of lubricating oil branches are arranged on the clutch support, one end of each lubricating oil branch is communicated with the lubricating oil passage, and the other end of each lubricating oil branch is communicated with a lubricating cavity of the bearing, a cavity for mounting the friction assembly and a contact surface of the clutch shaft and the clutch support respectively.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model relates to an integrated mechanical driving clutch assembly which is a wet type multi-plate clutch assembly structure with mechanical driving and hydraulic separation, wherein a mechanical system of a clutch is combined, and pressure oil is used for separating the clutch.
When pressure oil enters the piston cavity through the piston oil duct, the pressure oil pushes the piston to move against the compression force of the spring, so that the spring is flattened, the ejector pin is connected with the piston and moves together with the piston, and the clutch is completely separated. When no pressure oil exists in the piston cavity, the piston presses a friction assembly of the clutch under the action of the elastic force of the spring, so that the inner hub and the outer hub of the clutch are engaged, and the power can be transmitted to the clutch shaft through the gear on the clutch support.
Further, after the assembly is completed, the spring is in a pre-compression state, and the generated compression force enables the friction plate and the counter plate to be combined normally through the ejector pin and the pressure push plate so as to transmit power.
Furthermore, the first sealing ring, the second sealing ring and the third sealing ring can reduce pressure oil leakage from the piston cavity, and a sealing effect is achieved.
Furthermore, the first snap ring can limit the clutch outer hub and limit the axial displacement of the clutch outer hub on the second-stage section.
Furthermore, the bush not only can play the supporting role to the clutch support, can also bear certain radial force.
Furthermore, the fifth sealing ring can ensure the sealing of the piston oil way and also has the function of rotary sealing.
Furthermore, when lubricating oil enters a lubricating oil path through a lubricating oil passage, the bushing, the friction assembly, the bearing and a contact point of the clutch shaft and the clutch outer hub can be lubricated, and failure of parts is prevented.
Drawings
FIG. 1 is a cross-sectional view of an integrated mechanically actuated clutch assembly of the present invention.
In the figure, 1, the transmission housing; 2. a bearing seat; 3. a clutch shaft; 301. a first stage; 302. a second stage; 303. a third stage; 4. a clutch support; 5. a spring; 6. a piston; 7. a first seal ring; 8. a second seal ring; 9. a fifth seal ring; 10. a fourth seal ring; 11. a knock pin; 12. a third seal ring; 13. a baffle plate; 14. a third snap ring; 15. a first bearing; 16. a bearing; 17. a clutch outer hub; 18. a pressure push plate; 19. a back plate; 20. a friction plate; 21. a dual sheet; 22. a second snap ring; 23. a first snap ring; 24. a bushing; 25. a spacer sleeve; 26. oil blocking; p, a transmission shell pressure oil channel; l, a lubricating oil way; p1, piston gallery; l1, lubricating oil duct; p2, piston cavity; l2, lubricating oil cavity.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the utility model.
An integrated mechanically-driven clutch assembly, referring to fig. 1, includes a clutch shaft 3, a clutch outer hub 17, a clutch support 4, a spring 5 and a piston 6, in this embodiment, the spring 5 is a belleville spring 5, the clutch shaft 3 includes a first stage 301, a second stage 302 and a third stage 303, which are coaxially arranged and have sequentially increased diameters, the first stage 301 is connected with a transmission housing 1 through a bearing 16, a spacer 25 is further disposed at a connection position of the first stage 301 and the transmission housing 1, and the spacer 25 can limit axial movement of the clutch support 4.
One end of the third stage 303, which is far away from the clutch outer hub 17, is connected with the bearing seat 2 through the first bearing 15, and the bearing seat 2 is fixedly connected with the transmission housing 1.
The outer hub 17 of clutch passes through splined connection on tertiary section 303, and the outer hub 17 of clutch all is provided with first snap ring 23 with the both sides that tertiary section 303 is connected, and first snap ring 23 is coaxial with tertiary section 303, and first snap ring 23 can carry on spacingly to the outer hub 17 of clutch, and the axial displacement of the outer hub 17 of restriction clutch on tertiary section 303.
The clutch support 4 is sleeved on the secondary section 302 in a hollow mode, the two sides, connected with the secondary section 302, of the clutch support 4 are provided with the bushings 24, and the bushings 24 are coaxial with the secondary section 302.
An installation cavity is formed between the clutch outer hub 17 and the clutch support 4, a friction assembly is arranged in the installation cavity and comprises a second clamping ring 22, a back plate 19, a friction plate 20, a dual plate 21 and a pressure push plate 18 which are sequentially arranged, the friction plate 20 is in splined connection with the clutch outer hub 17, and the dual plate 21, the pressure push plate 18 and the back plate 19 are all in splined connection with the clutch support 4. A lubricating oil chamber L2 is formed between the clutch support 4 and the clutch shaft 3, and the lubricating oil chamber L2 is communicated with the mounting cavity and is used for assisting in lubricating the friction assembly.
The piston 6 and the spring 5 are sleeved on the clutch support 4, the piston 6 is positioned at one side close to the clutch support 4, and the spring 5 is in a compressed state, wherein the spring 5 is a belleville spring in the embodiment; be equipped with piston 6 on the clutch support 4, the one end that piston 6 is close to clutch support 4 is equipped with a plurality of knock pins 11, and knock pin 11 evenly arranges along clutch support 4 circumference, can be so that friction disc 20 and dual piece 21 even combination, is equipped with the recess on the piston 6, and the one end of knock pin 11 is installed in the recess, and the other end runs through clutch support 4 and pressure push pedal 18 contact.
A piston cavity P1 is formed between the piston 6 and the clutch support 4, a piston oil passage P1 is arranged on the clutch shaft 3, the piston oil passage P1 is communicated with the piston cavity P2, the piston oil passage P1 is communicated with a transmission shell pressure oil passage P, an oil plug 26 is arranged at the opening end of the piston oil passage P1, and the oil plug 26 is used for sealing an oil passage. The pressure oil is controlled by a clutch solenoid valve.
A lubricating oil channel L1 is formed in the clutch shaft 3, one end of the lubricating oil channel L1 is communicated with a lubricating oil channel L in the transmission shell, a plurality of lubricating oil branches are arranged on the clutch support 4, one ends of the lubricating oil branches are communicated with the lubricating oil channel L1, and the other ends of the lubricating oil branches are communicated with a bearing lubricating cavity, a cavity for mounting a friction assembly and a contact surface of the clutch shaft 3 and the clutch support 4 respectively. The transmission lubricating oil flows into a lubricating oil channel L1 of the clutch shaft 3 through a lubricating oil channel L in the transmission shell 1, and can lubricate the first bearing 15, the bush 24, the spacer 25, the friction plate 20, the counter plate 21 and the spline of the clutch shaft 3 matched with the clutch outer hub 17 through a lubricating oil branch circuit, so as to prevent the failure of the parts.
A first sealing ring 7 and a second sealing ring 8 are arranged between the piston 6 and the clutch support 4, the first sealing ring 7 and the second sealing ring 8 are arranged on two sides of the piston 6 in the moving direction relatively, a third sealing ring 12 is arranged between the ejector pin 11 and the clutch support 4, and the first sealing ring 7, the second sealing ring 8 and the third sealing ring 12 can reduce pressure oil leakage from the cavity of the piston 6. Two fourth sealing rings 10 coaxial with the second stage section 302 are arranged between the clutch support 4 and the second stage section 302, the piston oil passage P1 is located between the two fourth sealing rings 10, and the fourth sealing rings 10 can ensure the sealing of the piston oil passage P1 and play a role in rotary sealing.
Two fifth sealing rings 9 are further arranged on the first stage 301, the communication position of the piston oil passage P1 and the transmission case pressure oil passage P is located between the two fifth sealing rings 9, and the fifth sealing rings 9 play a role in rotary sealing.
The side of the spring 5 opposite to the piston 6 is provided with a baffle plate 13 and a third snap ring 14 in sequence, and the second snap ring 22 and the third snap ring 14 can limit the axial displacement of parts on the clutch support 4.
The implementation principle of the integrated mechanical drive clutch assembly of the utility model is as follows: after the clutch assembly is assembled, the spring 5 is pre-compressed, and the generated compression force enables the friction plate 20 and the counter plate 21 to be always combined through the ejector pin 11 and the pressure push plate 18 to transmit power. Pressure oil controlled by a clutch solenoid valve flows into a piston oil duct P1 of the clutch shaft 3 through a pressure oil duct in the transmission shell 1 and then flows into a clutch piston cavity P2, the pressure oil pushes the piston 6 to move against the compression force of the spring 5, so that the spring 5 is flattened, and the knock pin 11 is arranged in a groove of the piston 6 and can also move along with the piston 6, so that the clutch is completely separated.
When the clutch solenoid valve is closed (no pressurized oil enters the transmission housing 1), power can be input from the gear on the clutch carrier 4, the power is output through the friction plate 20 by means of the compression force of the spring 5 acting on the friction plate 20 and the counter-friction plate 21, and finally is transmitted to the clutch shaft 3 through the clutch outer hub 17, and the power is output through the spline on the left side of the clutch shaft 3 (or vice versa).
The utility model relates to an integrated mechanical drive clutch assembly which is a wet type multi-plate clutch assembly structure with mechanical drive and hydraulic separation, wherein a mechanical system of a clutch is combined, and pressure oil controlled by an electromagnetic valve is used for separating the clutch.
Claims (9)
1. An integrated mechanical drive clutch assembly is characterized by comprising a clutch shaft (3), a clutch outer hub (17), a clutch support (4), a spring (5) and a piston (6); the clutch outer hub (17) is fixedly connected with the clutch shaft (3), the clutch support (4) is sleeved on the clutch shaft (3) in a hollow mode, and a friction assembly is arranged between the clutch outer hub (17) and the clutch support (4);
the piston (6) and the spring (5) are arranged on the outer side of the clutch support (4), the piston (6) is positioned on one side close to the clutch support (4), and the spring (5) is in a compressed state;
a piston (6) is arranged on the clutch support (4), a plurality of ejector pins (11) are arranged at one end, close to the clutch support (4), of the piston (6), the ejector pins (11) are uniformly arranged along the circumferential direction of the clutch support (4), one end of each ejector pin (11) is in contact with the piston (6), and the other end of each ejector pin penetrates through the clutch support (4) to be in contact with the friction assembly;
form piston chamber (P2) between piston (6) and clutch support (4), be equipped with piston oil duct (P1) on clutch shaft (3), piston oil duct (P1) and piston chamber (P2) intercommunication, piston oil duct (P1) and transmission housing pressure oil duct (P) intercommunication.
2. The integrated mechanical drive clutch assembly according to claim 1, wherein the friction component comprises a second snap ring (22), a back plate (19), a friction plate (20), a dual plate (21) and a pressure push plate (18) which are arranged in sequence, the friction plate (20) is connected with the clutch outer hub (17), the dual plate (21), the pressure push plate (18) and the back plate (19) are all connected with the clutch support (4), and one end of the ejector pin (11) far away from the piston (6) is in contact with the pressure push plate (18).
3. The integrated mechanical drive clutch assembly according to claim 1, wherein a first sealing ring (7) and a second sealing ring (8) are arranged between the piston (6) and the clutch support (4), and the first sealing ring (7) and the second sealing ring (8) are arranged on the inner side and the outer side of the piston (6) in the movement direction in an opposite manner.
4. The integrated mechanically actuated clutch assembly according to claim 1 wherein a third sealing ring (12) is provided between the knock pin (11) and the clutch carrier (4).
5. The integrated mechanically-actuated clutch assembly according to claim 1, wherein the clutch shaft (3) comprises a first stage (301), a second stage (302) and a third stage (303) which are coaxially arranged and have sequentially increasing diameters, the first stage (301) is connected with the transmission housing (1), the third stage (303) is connected with the bearing seat (2), the clutch support (4) is connected with the second stage (302), and the clutch outer hub (17) is connected with the third stage (303).
6. The integrated mechanical drive clutch assembly according to claim 5, wherein the first snap ring (23) is arranged on both sides of the connection between the clutch outer hub (17) and the tertiary section (303), and the first snap ring (23) is coaxial with the tertiary section (303).
7. The integrated mechanically actuated clutch assembly according to claim 5 wherein the clutch carrier (4) is provided with a bushing (24) on both sides of the connection with the secondary section (302), the bushing (24) being coaxial with the secondary section (302).
8. The integrated mechanically actuated clutch assembly according to claim 5 wherein two fourth sealing rings (10) coaxial with the secondary section (302) are provided between the clutch support (4) and the secondary section (302), and the oil gallery of the piston (6) is located between the two fourth sealing rings (10).
9. The integrated mechanical drive clutch assembly according to claim 1, wherein a lubricating oil passage (L1) is formed in the clutch shaft (3), one end of the lubricating oil passage (L1) is communicated with a lubricating oil passage (L) in a transmission housing, a plurality of lubricating oil branches are formed in the clutch support (4), one end of each lubricating oil branch is communicated with the lubricating oil passage (L1), and the other end of each lubricating oil branch is respectively communicated with a lubricating cavity of the bearing (16), a cavity for mounting the friction component and a contact surface of the clutch shaft (3) and the clutch support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122637954.1U CN216478554U (en) | 2021-10-28 | 2021-10-28 | Integrated mechanical driving clutch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122637954.1U CN216478554U (en) | 2021-10-28 | 2021-10-28 | Integrated mechanical driving clutch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478554U true CN216478554U (en) | 2022-05-10 |
Family
ID=81444611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122637954.1U Active CN216478554U (en) | 2021-10-28 | 2021-10-28 | Integrated mechanical driving clutch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478554U (en) |
-
2021
- 2021-10-28 CN CN202122637954.1U patent/CN216478554U/en active Active
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