CN219242496U - Push type clutch execution system - Google Patents
Push type clutch execution system Download PDFInfo
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- CN219242496U CN219242496U CN202320767934.2U CN202320767934U CN219242496U CN 219242496 U CN219242496 U CN 219242496U CN 202320767934 U CN202320767934 U CN 202320767934U CN 219242496 U CN219242496 U CN 219242496U
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- air inlet
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- valve group
- clutch
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model provides a push clutch executing system, which comprises a clutch diaphragm spring, a release bearing and an executing mechanism, wherein the release bearing is concentrically arranged with a gearbox input shaft and is abutted against the clutch diaphragm spring, the executing mechanism comprises an executing cylinder, an air inlet valve group and an air outlet valve group, the executing cylinder comprises a cylinder body and a piston, the cylinder body is integrally formed by die casting, one end inside the cylinder body is provided with a pre-tightening spring abutted against the piston, and the release bearing is fixedly connected with one end of the piston far away from the pre-tightening spring; the cylinder body is also provided with a position sensor for detecting the stroke of the piston; and the air inlet valve group and the air outlet valve group are communicated with the air inlet and outlet on the cylinder body. The utility model adopts a highly integrated design, directly pushes the clutch diaphragm spring through the release bearing fixedly connected to the piston, and simultaneously forms the air inlet valve group and the air outlet valve group through the electromagnetic valve with a large and a small through diameters, thereby improving the position control precision of the clutch.
Description
Technical Field
The utility model relates to the technical field of automobile clutches, in particular to a push-type clutch executing system.
Background
The traditional heavy truck AMT clutch execution system consists of a pull-type clutch assembly, a release bearing, a release lever, an external cylinder, an electromagnetic valve and an air source. When the clutch actuator is separated, the control system opens the air inlet electromagnetic valve, high-pressure air is introduced into the cylinder, a push rod arranged on the piston pushes the separating lever, and the separating lever pulls the finger end of the diaphragm spring through the separating bearing, so that the clutch is separated; when the clutch is combined, the diaphragm spring pushes the release bearing and the release lever, the control system opens the exhaust electromagnetic valve, the piston is reset, high-pressure gas in the cylinder is discharged, and the clutch is combined.
The transmission structure between the cylinder and the clutch of the existing clutch actuating system is provided with a release lever and a release bearing, and the complex transmission structure means larger arrangement space requirement and higher cost, and simultaneously reduces the clutch position control precision and increases the probability of failure of the clutch actuating system.
Disclosure of Invention
The utility model aims to provide a push clutch executing system which overcomes the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a push type clutch actuating system installs in gearbox clutch housing, includes clutch diaphragm spring, release bearing, actuating mechanism, release bearing and the concentric installation of gearbox input shaft, and with clutch diaphragm spring butt, its characterized in that: the actuating mechanism comprises an actuating cylinder, an air inlet valve group and an air outlet valve group, the actuating cylinder comprises a cylinder body and a piston, the cylinder body is formed by integral die casting, a pre-tightening spring which is abutted with the piston is arranged at one end inside the cylinder body, and the separating bearing is fixedly connected with one end of the piston, which is far away from the pre-tightening spring; the cylinder body is also provided with a position sensor for detecting the stroke of the piston; the air inlet valve group and the air outlet valve group are communicated with the air inlet and outlet on the cylinder body and are electrically connected with the control system.
Further, in the push clutch executing system, the cylinder body comprises a guide pipe, a shell and a mounting plate, wherein the guide pipe is arranged in the shell and is concentric with the input shaft of the gearbox, and the mounting plate is arranged outside the shell and is used for mounting the displacement sensor and the executing cylinder; the guide tube, the shell and the mounting plate are integrally formed by die casting.
Further, in the push clutch executing system, one end of the piston is provided with a spring hole, the other end of the piston is provided with a bearing hole, the pre-tightening spring is arranged in the spring hole, the spring hole and the cylinder body form an air chamber of an executing cylinder, and the air inlet and outlet are communicated with the air chamber; one end of the release bearing is inserted into the bearing hole and fixedly connected with the piston.
Furthermore, in the push clutch executing system, sealing elements are arranged between the piston and the shell, and between the piston and the guide pipe, and the sealing elements seal the air chamber.
Furthermore, in the push clutch executing system, a friction ring is further arranged between the piston and the guide pipe, the friction ring provides guide support for the piston, and the wear resistance of the piston is improved.
Further, in the push clutch executing system, the air inlet of the air inlet valve group is connected with an air source, the air source comprises an air storage tank and an air compressor, a high-pressure air output port of the air compressor is connected with the air inlet of the air storage tank, and the air outlet of the air storage tank is connected with the air inlet of the air inlet valve group.
Further, in the push clutch executing system, the air inlet valve group comprises a first air inlet valve and a second air inlet valve which are arranged in parallel, and the passthrough of the first air inlet valve is larger than that of the second air inlet valve.
Further, in the push clutch executing system, the air outlet of the air exhaust valve group is connected with an air exhaust plug, the air exhaust valve group comprises a first air exhaust valve and a second air exhaust valve which are arranged in parallel, and the passthrough of the first air exhaust valve is larger than that of the second air exhaust valve.
Compared with the prior art, the utility model has the beneficial effects that: the cylinder body of the execution cylinder adopts an integrated die casting technology, so that the product installation procedure is reduced, and the light weight is realized; in addition, compared with a traditional clutch control system, the clutch control system has the advantages that the actuating mechanism is integrated, the number of parts is reduced, the middle lever transmission is canceled, the clutch diaphragm spring is directly pushed through the release bearing fixedly connected to the piston, the middle transmission link is reduced, and more accurate clutch position control is realized; meanwhile, an electromagnetic valve with a large diameter and a small diameter is arranged to form an air inlet valve group and an air outlet valve group, so that the position control precision of the clutch is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a push-type clutch actuation system according to the present utility model;
in the figure: 1. separating the bearing; 2. a cylinder; 21. a guide tube; 22. a housing; 23. a mounting plate; 3.
a piston; 31. a spring hole; 32. a bearing hole; 4. an air inlet valve group; 41. a first intake valve; 42. a second intake valve; 5. an exhaust valve group; 51. a first exhaust valve; 52. a second exhaust valve; 6. a pre-tightening spring; 7. a position sensor; 8. a gas inlet and outlet; 9. a seal; 10. a friction ring; 11. a gas storage tank; 12. an air compressor; 13. and a vent plug.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, a push clutch actuating system is installed in a clutch housing of a gearbox, and comprises a clutch diaphragm spring (not shown in the figure), a release bearing 1 and an actuating mechanism, wherein the release bearing 1 is installed concentrically with an input shaft of the gearbox and is abutted against the clutch diaphragm spring, and the push clutch actuating system is characterized in that: the actuating mechanism comprises an actuating cylinder, an air inlet valve group 4 and an air outlet valve group 5, wherein the actuating cylinder comprises a cylinder body 2 and a piston 3, the cylinder body 2 is integrally formed by die casting, one end inside the cylinder body 2 is provided with a pre-tightening spring 6 which is abutted with the piston 3, the pre-tightening spring 6 provides pre-tightening force for the abutting of a release bearing 1 and a clutch diaphragm spring release finger end, and the release bearing 1 is fixedly connected with one end of the piston 3, which is far away from the pre-tightening spring 6; the cylinder body 2 is also provided with a position sensor 7 for detecting the stroke of the piston 3; specifically, the position sensor 7 consists of two parts, wherein the induction unit is fixedly connected to the cylinder body 2, the magnet unit is fixedly connected to the piston 3, the clutch can displace along with the piston 3 in the separation and combination processes, and the position information of the clutch is indirectly fed back through the Hall principle; the air inlet valve group 4 and the air outlet valve group 5 are communicated with the air inlet and outlet 8 on the cylinder body 2 and are electrically connected with a control system.
In the above structure, the air inlet of the air inlet valve set 4 is connected with an air source, the air source comprises an air storage tank 11 and an air compressor 12, a high-pressure air output port of the air compressor 12 is connected with the air inlet of the air storage tank 11, and an air outlet of the air storage tank 11 is connected with the air inlet of the air inlet valve set 4. The intake valve group 4 includes a first intake valve 41 and a second intake valve 42 that are arranged in parallel, and the passthrough of the first intake valve 41 is greater than the passthrough of the second intake valve 42.
In addition, the gas outlet of the exhaust valve group 5 is connected with an exhaust plug 13, the exhaust valve group 5 comprises a first exhaust valve 51 and a second exhaust valve 52 which are arranged in parallel, and the passthrough of the first exhaust valve 51 is larger than that of the second exhaust valve 52.
The push clutch actuating system is arranged in the clutch housing of the gearbox, and compared with an external push clutch actuating system, the push clutch actuating system provides maximum protection for products. In addition, compared with a traditional clutch control system, the clutch control system has the advantages that the actuating mechanism is integrally arranged, the number of parts is reduced, the middle lever transmission is canceled, the clutch diaphragm spring is directly pushed through the release bearing fixedly connected to the piston, the middle transmission link is reduced, and more accurate clutch position control is realized. And the air inlet valve group 4 and the air outlet valve group 5 are composed of electromagnetic valves with large and small diameters, and the control system can realize the fast/slow separation or the fast/slow combination action of the clutch by controlling the opening and closing of the electromagnetic valves with different diameters, so that the control precision of the clutch is further improved.
Example 2
Based on the structure of the embodiment 1, as shown in fig. 1, the cylinder 2 includes a guide tube 21, a housing 22, and a mounting plate 23, wherein the guide tube 21 is disposed inside the housing 22 and concentric with the transmission input shaft, and the mounting plate 23 is disposed outside the housing 22, and is used for mounting the displacement sensor 7 and the actuating cylinder itself; the guide tube 21, the housing 22 and the mounting plate 23 are integrally die-cast. By adopting the integral die casting technology, the product installation procedure is reduced, the manufacturing cost is reduced, and the light weight is realized.
The piston 3 is provided with a spring hole 31 at one end and a bearing hole 32 at the other end, the pre-tightening spring 6 is arranged in the spring hole 31, the spring hole 31 and the cylinder body 2 form an air chamber of the execution cylinder, the air inlet and outlet 8 is communicated with the air chamber, and the air chamber is used for accommodating high-pressure air entering from the air inlet valve group 4; one end of the release bearing 1 is inserted into the bearing hole 32 and fixedly connected with the piston 3. Through the arrangement of the spring hole 31 and the bearing hole 32, the structure of the actuating mechanism is more compact, and the volume of the cylinder body 2 is reduced, so that the volume of the gearbox is reduced.
In addition, the sealing piece 9 is arranged between the piston 3 and the shell 22 and between the piston 3 and the guide tube 21, and the sealing piece 9 seals the air chamber, so that air leakage is avoided, and the driving efficiency is improved.
In addition, a friction ring 10 is further arranged between the piston 3 and the guide tube 21, and the friction ring 10 provides guide support for the piston 3 and improves the wear resistance of the piston 3.
The working principle of the push clutch execution system provided by the utility model is as follows:
when the clutch is separated, the control system sends out a command to open the air inlet valve group 4, high-pressure air provided by the air compressor 12 enters the air chamber of the actuating cylinder through the air storage tank 11 to provide thrust for the piston 3, and the piston 3 drives the release bearing 1 to move in the left direction in the figure 1, so that the release bearing 1 pushes the diaphragm spring release finger end leftwards to separate the clutch. When the clutch is combined, the control system sends out instructions to close the air inlet valve group 4 and open the air outlet valve group 5, the release bearing 1 and the piston 3 are reset under the thrust provided by the diaphragm spring, high-pressure gas in the air chamber is discharged through the air outlet valve group 5 and the air outlet plug 13, and the clutch is combined.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a push type clutch actuating system installs in gearbox clutch housing, includes clutch diaphragm spring, release bearing (1), actuating mechanism, release bearing (1) and the concentric installation of gearbox input shaft, and with clutch diaphragm spring butt, its characterized in that: the actuating mechanism comprises an actuating cylinder, an air inlet valve group (4) and an air outlet valve group (5), wherein the actuating cylinder comprises a cylinder body (2) and a piston (3), the cylinder body (2) is integrally formed by die casting, one end inside the cylinder body (2) is provided with a pre-tightening spring (6) which is abutted with the piston (3), and the separating bearing (1) is fixedly connected with one end, far away from the pre-tightening spring (6), of the piston (3); the cylinder body (2) is also provided with a position sensor (7) for detecting the stroke of the piston (3); the air inlet valve group (4) and the air outlet valve group (5) are communicated with the air inlet and outlet (8) on the cylinder body (2) and are electrically connected with the control system.
2. A push clutch actuation system according to claim 1, characterized in that: the cylinder body (2) comprises a guide pipe (21), a shell (22) and a mounting plate (23), wherein the guide pipe (21) is arranged inside the shell (22) and is concentric with the input shaft of the gearbox, and the mounting plate (23) is arranged outside the shell (22); the guide tube (21), the shell (22) and the mounting plate (23) are integrally formed by die casting.
3. A push clutch actuation system according to claim 2, characterized in that: one end of the piston (3) is provided with a spring hole (31), the other end of the piston is provided with a bearing hole (32), the pre-tightening spring (6) is arranged in the spring hole (31), the spring hole (31) and the cylinder body (2) form an air chamber of the execution cylinder, and the air inlet and outlet (8) are communicated with the air chamber; one end of the release bearing (1) is inserted into the bearing hole (32) and is fixedly connected with the piston (3).
4. A push clutch actuation system according to claim 3, characterized in that: sealing elements (9) are arranged between the piston (3) and the shell (22) and between the piston (3) and the guide tube (21).
5. A push clutch actuation system according to claim 3, characterized in that: a friction ring (10) is also arranged between the piston (3) and the guide tube (21).
6. A push clutch actuation system according to claim 1, characterized in that: the air inlet of the air inlet valve group (4) is connected with an air source, the air source comprises an air storage tank (11) and an air compressor (12), a high-pressure air output port of the air compressor (12) is connected with an air inlet of the air storage tank (11), and an air outlet of the air storage tank (11) is connected with an air inlet of the air inlet valve group (4).
7. A push clutch actuation system according to claim 6, characterized in that: the air inlet valve group (4) comprises a first air inlet valve (41) and a second air inlet valve (42) which are arranged in parallel, and the passthrough of the first air inlet valve (41) is larger than that of the second air inlet valve (42).
8. A push clutch actuation system according to claim 1, characterized in that: the gas outlet of exhaust valves (5) is connected with exhaust plug (13), exhaust valves (5) are including parallelly connected first discharge valve (51), second discharge valve (52) that set up, the passthrough of first discharge valve (51) is greater than the passthrough of second discharge valve (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767934.2U CN219242496U (en) | 2023-04-10 | 2023-04-10 | Push type clutch execution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767934.2U CN219242496U (en) | 2023-04-10 | 2023-04-10 | Push type clutch execution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219242496U true CN219242496U (en) | 2023-06-23 |
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ID=86807904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320767934.2U Active CN219242496U (en) | 2023-04-10 | 2023-04-10 | Push type clutch execution system |
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| Country | Link |
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| CN (1) | CN219242496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605769A (en) * | 2024-01-24 | 2024-02-27 | 浙江万里扬股份有限公司杭州分公司 | Integrated clutch release system for differential response of AMT (automated mechanical transmission) |
-
2023
- 2023-04-10 CN CN202320767934.2U patent/CN219242496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605769A (en) * | 2024-01-24 | 2024-02-27 | 浙江万里扬股份有限公司杭州分公司 | Integrated clutch release system for differential response of AMT (automated mechanical transmission) |
| CN117605769B (en) * | 2024-01-24 | 2024-04-09 | 浙江万里扬股份有限公司杭州分公司 | Integrated clutch release system for differential response of AMT (automated mechanical transmission) |
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