CN218625149U - Hydraulic clutch actuating mechanism with shielding cover - Google Patents
Hydraulic clutch actuating mechanism with shielding cover Download PDFInfo
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- CN218625149U CN218625149U CN202223209560.7U CN202223209560U CN218625149U CN 218625149 U CN218625149 U CN 218625149U CN 202223209560 U CN202223209560 U CN 202223209560U CN 218625149 U CN218625149 U CN 218625149U
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Abstract
The utility model discloses a take hydraulic clutch actuating mechanism of shield cover, include: execute body, piston, execution push rod, return spring, shield cover and position sensor, one side of executing the body is equipped with the execution groove, the piston is sealed to slide and is located execute the inslot, the execution inslot is located the tank bottom of execution groove with form between the piston and execute the chamber, execute the body on have with the oil inlet of execution chamber intercommunication the one end of executing the push rod is fixed the piston deviates from one side of executing the chamber, the other end of executing the push rod extends to execute the groove outside, return spring locates execute the intracavity, return spring's one end with piston connection, the other end with the tank bottom of executing the groove is connected, the shield cover is located the outside of executing the body. The utility model provides the high accuracy and the stability that position sensor surveyed to improve actuating mechanism's execution precision.
Description
Technical Field
The utility model relates to a technical field of car speed change system especially relates to a take hydraulic clutch actuating mechanism of shield cover.
Background
The existing clutch actuating mechanism is simple in structure, only has the functions of forward pushing and returning, is a mechanism commonly used by the existing manual transmission, and due to the fact that the manual transmission needs a high driving level, a driver is tired in the driving process, and more technicians are researching manual-automatic integrated transmissions to liberate the left foot and the right hand of the driver.
With the emergence of more and more manual-automatic integrated gearboxes, the requirement on a clutch executing mechanism is higher and higher, the existing clutch executing mechanism detects the position of a piston in the clutch executing mechanism by adopting a position sensor so as to embody the executing state of the executing mechanism on a clutch, so that a driver can carry out real-time adjustment according to the executing state of the clutch, the executing mechanism and the position sensor are directly exposed outside, the position sensor can be influenced by external electromagnetic interference to detect the executing state of the clutch, the executing precision is further improved, and external splashing sundries can damage the executing machine and influence the service life because the executing mechanism is exposed outside.
Disclosure of Invention
In view of the above problems of the existing actuating mechanism, it is an object of the present invention to provide a hydraulic clutch actuating mechanism with high stability, high precision and long service life of the shielding case.
The specific technical scheme is as follows:
a hydraulic clutch actuator with a shield includes:
the device comprises an execution body, a first control unit and a second control unit, wherein one side of the execution body is provided with an execution groove;
the piston is arranged in the execution groove in a sealing and sliding manner, an execution cavity is formed between the bottom of the execution groove and the piston in the execution groove, and an oil inlet communicated with the execution cavity is formed in the execution body;
one end of the execution push rod is fixed on one side of the piston, which is far away from the execution cavity, and the other end of the execution push rod extends to the outer side of the execution groove and is used for pushing the clutch to be engaged or disengaged;
the return spring is arranged in the execution cavity, one end of the return spring is connected with the piston, and the other end of the return spring is connected with the bottom of the execution groove;
the shielding cover is sleeved outside the execution body;
the position sensor is arranged on the execution body, is positioned between the execution body and the shielding cover and is used for sensing the position of the piston so as to reflect the displacement of the execution push rod.
As a further improvement and optimization of this scheme, the execution groove includes first cell body and the second cell body that communicates each other and coaxial setting, the sealed slip of piston is located in the first inslot, the second cell body is located the tank bottom of first cell body, return spring's one end with piston contact, the other end with the inner wall contact of first cell body.
As further improvement and optimization of the scheme, the inner wall of the first groove body is coaxially provided with an annular clamping groove, the annular clamping groove is formed in one side, deviating from the return spring, of the piston, and an elastic check ring is clamped in the annular clamping groove and used for limiting the piston to be separated from the execution groove.
As a further improvement and optimization of the scheme, an induction magnet is embedded outside the piston, and the position sensor induces the position of the piston through the induction magnet.
As a further improvement and optimization of the scheme, the outer sleeve of the piston is provided with a lip ring, and the piston is in sealing fit with the inner wall of the execution groove through the lip ring.
As a further improvement and optimization of the scheme, the outer coaxial sleeve of the execution push rod is provided with a dust cover, the dust cover is arranged in a telescopic mode, one end of the dust cover deviates from one end of the execution push rod, and the other end of the dust cover is connected to the execution body.
As a further improvement and optimization of the scheme, a mounting groove is formed in the notch of the execution groove in the radial direction outwards, and the other end of the dust cover is connected to the bottom of the mounting groove.
As a further improvement and optimization of the scheme, one end of the execution push rod, which is far away from the piston, is provided with a spherical joint.
Compared with the prior art, the technical scheme has the positive effects that:
(1) The utility model discloses well position sensor's outside has the shield cover, can shield outside electromagnetic signal and to the detection influence of position sensor to the piston position, improves the precision and the stability that position sensor detected to improve actuating mechanism's execution precision, the shield cover can prevent simultaneously that outside debris from sputtering and causing the damage to position sensor and executor body, thereby improves life.
(2) The utility model discloses in make the execution push rod outwards impel through the hydraulic pressure of hydraulic oil to the separation of propelling clutch makes the execution push rod inwards return through the diaphragm spring on the clutch, so that the clutch engages, and it is higher to carry out the real-time, and carries out simple structure, has higher economic nature.
(3) When under initial condition in this embodiment, locate the diaphragm spring on the separator and equal to the elasticity of return spring to the piston, make the piston be in the stress balance position, effectual avoiding the piston appear that the axial rocks when clutch actuating mechanism is out of work and lead to position sensor to detect the signal fluctuation that the piston rocked and arouse, improve actuating mechanism's stability.
(5) The utility model discloses in when piston and the spacing cooperation of circlip, carry out the push rod and push away the complete separation of clutch, not only prevent that the clutch from appearing the overdraw damage, avoid carrying out intracavity hydraulic pressure moreover and too big piston 5 that leads to breaks away from the execution groove, improve the stability of execution structure inner structure.
(6) The utility model discloses well dust cover sets up in the outside of carrying out the push rod to but the executable push rod carries out concertina movement, can make external dust can't get into all the time and carry out the inslot and influence the piston and slide in carrying out the inslot, further improvement is to actuating mechanism's accurate nature of execution and stability.
Drawings
Fig. 1 is a schematic view of the overall structure of a hydraulic clutch actuator with a shielding case according to the present invention;
fig. 2 is a cross-sectional view of the overall structure of a hydraulic clutch actuator with a shielding case according to the present invention;
in the drawings: 1. an execution body; 2. a shield case; 3. a ball joint; 4. a dust cover; 5. a piston; 6. executing a push rod; 7. a lip-shaped ring; 8. a return spring; 9. an induction magnet; 10. a position sensor; 11. an execution slot; 12. an oil inlet; 13. mounting grooves; 14. an annular neck; 20. a circlip; 111. a second tank body; 112. a first tank body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is the utility model relates to a take hydraulic clutch actuating mechanism's of shield cover overall structure schematic diagram, fig. 2 is the utility model discloses a take hydraulic clutch actuating mechanism's of shield cover overall structure section view, as shown in fig. 1 to fig. 2, a take hydraulic clutch actuating mechanism of shield cover 2 of a preferred embodiment is shown, include: the actuating body 1, the piston 5, the actuating push rod 6, the return spring 8, the shielding case 2 and the position sensor 10 are arranged, an actuating groove 11 is arranged on one side of the actuating body 1, the piston 5 is arranged in the actuating groove 11 in a sealing and sliding manner, an actuating cavity is formed in the actuating groove 11 and located between the bottom of the actuating groove 11 and the piston 5, an oil inlet 12 communicated with the actuating cavity is formed in the actuating body 1, one end of the actuating push rod 6 is fixed on one side, away from the actuating cavity, of the piston 5, the other end of the actuating push rod 6 extends to the outer side of the actuating groove 11 and is used for pushing the clutch to be connected or separated, the return spring 8 is arranged in the actuating cavity, one end of the return spring 8 is connected with the piston 5, the other end of the return spring is connected with the bottom of the actuating groove 11, the shielding case 2 is sleeved outside the actuating body 1, the position sensor 10 is arranged on the actuating body 1 and located between the actuating body 1 and the shielding case 2 and is used for sensing the position of the piston 5 to reflect the displacement of the actuating push rod 6.
In the embodiment, when the clutch is disengaged, high-pressure hydraulic oil enters the execution cavity from the oil inlet 12, drives the piston 5 to slide towards the notch direction of the execution groove 11 under the hydraulic pressure and the elastic force of the return spring 8, drives the execution push rod 6 to push outwards, and presses a diaphragm spring (not shown in the figure) of the clutch through a rocker arm (not shown in the figure) of the clutch to push the clutch to perform disengagement motion, the motion position of the piston 5 is detected through the position sensor 10, when the piston 5 moves to a preset position, the high-pressure hydraulic oil is stopped to be continuously supplied to the execution cavity, the clutch is completely disengaged, when the clutch is engaged, the piston 5 presses the return spring 8 under the elastic force of the diaphragm spring and performs return motion, the hydraulic oil in the execution cavity flows back through the oil inlet 12, the push rod 6 performs backward return motion at the same time, until the elastic force of the diaphragm spring to the piston 5 is equal to the elastic force of the return spring 8, at the moment, the spring of the piston 5 is in force balance and completes the return motion, and the engagement of the clutch is completed.
In this embodiment, the shielding case 2 is provided outside the position sensor 10, so that the influence of the external electromagnetic signal on the detection of the position sensor 10 on the position of the piston 5 can be shielded, the detection accuracy and stability of the position sensor 10 are improved, the execution accuracy of the execution mechanism is improved, and meanwhile, the shielding case 2 can prevent the position sensor 10 and the actuator body from being damaged by sputtering of external impurities, so that the service life is prolonged.
In the embodiment, the actuating push rod 6 is pushed outwards by hydraulic pressure of hydraulic oil to push the clutch to be separated, the actuating push rod 6 is retracted inwards by a diaphragm spring on the clutch to enable the clutch to be engaged, and the actuating mechanism is high in actuation instantaneity, simple in actuation structure and high in economy.
In this embodiment, when in the initial state, the elastic force of the diaphragm spring on the separator to the piston 5 is equal to the elastic force of the return spring 8 to the piston 5, so that the piston 5 is in a stress balance position, and the axial shaking of the piston 5 when the clutch executing mechanism does not work is effectively avoided to cause the signal fluctuation caused by the shaking of the piston 5 detected by the position sensor 10.
Further, as a preferred embodiment, the execution groove 11 includes a first groove 112 and a second groove 111 that are communicated with each other and coaxially disposed, the piston 5 is slidably disposed in the first groove in a sealing manner, the second groove 111 is disposed at the bottom of the first groove 112, one end of the return spring 8 contacts with the piston 5, and the other end contacts with the inner wall of the first groove 112.
Further, as a preferred embodiment, an annular clamping groove 14 is coaxially arranged on the inner wall of the first groove 112, the annular clamping groove 14 is arranged on a side of the piston 5 away from the return spring 8, an elastic retaining ring 20 is clamped in the annular clamping groove 14 and used for limiting the piston 5 to be separated from the execution groove 11, and when the piston 5 is in limit fit with the elastic retaining ring 20, the execution push rod 6 pushes the clutch to be completely separated, and the clutch is protected from being damaged by over-pushing.
In the embodiment, when the piston 5 is in limit fit with the elastic retainer ring 20, the execution push rod 6 pushes the clutch to be completely separated, so that the clutch is prevented from being damaged by over-pushing, the piston 5 is prevented from being separated from the execution groove 11 due to overlarge hydraulic pressure in the execution cavity, and the stability of the internal structure of the execution structure is improved.
Further, as a preferred embodiment, an induction magnet 9 is embedded outside the piston 5, and the position sensor 10 induces the position of the piston 5 through the induction magnet 9.
Further, as a preferred embodiment, a lip-shaped ring 7 is sleeved on the outer portion of the piston 5, and the piston 5 is in sealing fit with the inner wall of the actuating groove 11 through the lip-shaped ring 7.
Furthermore, as a preferred embodiment, a dust cover 4 is coaxially sleeved outside the actuating push rod 6, the dust cover 4 is telescopically arranged, one end of the dust cover 4 is connected with one end of the actuating push rod 6 departing from the piston 5, and the other end of the dust cover is connected to the actuating body 1.
Further, as a preferred embodiment, a mounting groove 13 is provided radially outward at the notch of the actuating groove 11, and the other end of the dust cover 4 is connected to the bottom of the mounting groove 13.
In this embodiment, the dust cover 4 is disposed outside the execution push rod 6, and the execution push rod 6 performs telescopic motion, so that external dust cannot enter the execution groove 11 all the time to influence the sliding of the piston 5 in the execution groove 11, thereby further improving the execution accuracy and stability of the execution mechanism.
Further, as a preferred embodiment, the end of the actuating ram 6 facing away from the piston 5 is provided with a ball joint 3.
Specifically, the rocker arm of the clutch includes an inner rocker arm and an outer rocker arm, the inner rocker arm is in contact with a diaphragm spring of the clutch through a release bearing of the clutch, and the outer rocker arm is in contact with the ball joint 3.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (8)
1. A hydraulic clutch actuator with a shielding case is characterized by comprising:
the device comprises an execution body, wherein one side of the execution body is provided with an execution groove;
the piston is arranged in the execution groove in a sealing and sliding mode, an execution cavity is formed between the bottom of the execution groove and the piston in the execution groove, and an oil inlet communicated with the execution cavity is formed in the execution body;
one end of the execution push rod is fixed on one side of the piston, which is far away from the execution cavity, and the other end of the execution push rod extends to the outer side of the execution groove and is used for pushing the clutch to be engaged or disengaged;
the return spring is arranged in the execution cavity, one end of the return spring is connected with the piston, and the other end of the return spring is connected with the bottom of the execution groove;
the shielding cover is sleeved outside the execution body;
the position sensor is arranged on the execution body, is positioned between the execution body and the shielding cover and is used for sensing the position of the piston so as to reflect the displacement of the execution push rod.
2. The hydraulic clutch actuating mechanism with the shielding case according to claim 1, wherein the actuating groove comprises a first groove body and a second groove body which are communicated with each other and coaxially arranged, the piston is arranged in the first groove body in a sealing and sliding manner, the second groove body is arranged at the groove bottom of the first groove body, one end of the return spring is in contact with the piston, and the other end of the return spring is in contact with the inner wall of the first groove body.
3. The hydraulic clutch actuating mechanism with the shielding case according to claim 2, wherein an annular clamping groove is coaxially formed in the inner wall of the first groove body, the annular clamping groove is formed in one side, away from the return spring, of the piston, and an elastic check ring is clamped in the annular clamping groove and used for limiting the piston to be separated from the actuating groove.
4. The hydraulic clutch actuator with a shield according to claim 1, wherein an induction magnet is embedded in an outer portion of the piston, and the position sensor senses the position of the piston through the induction magnet.
5. The shrouded hydraulic clutch actuator of claim 1 wherein the piston is externally sleeved with a lip, the piston sealingly engaging the inner wall of the actuator slot through the lip.
6. The hydraulic clutch actuator with the shielding case according to claim 1, wherein a dust cover is coaxially sleeved outside the actuating push rod, the dust cover is telescopically arranged, one end of the dust cover is connected with one end of the actuating push rod, which is far away from the piston, and the other end of the dust cover is connected to the actuating body.
7. The hydraulic clutch actuator with a shielding case according to claim 6, wherein a mounting groove is formed radially outward at the notch of the actuating groove, and the other end of the dust cover is connected to the bottom of the mounting groove.
8. The shrouded hydraulic clutch actuator of claim 7 wherein the end of the actuator pushrod facing away from the piston is provided with a ball joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209560.7U CN218625149U (en) | 2022-12-01 | 2022-12-01 | Hydraulic clutch actuating mechanism with shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209560.7U CN218625149U (en) | 2022-12-01 | 2022-12-01 | Hydraulic clutch actuating mechanism with shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625149U true CN218625149U (en) | 2023-03-14 |
Family
ID=85453145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223209560.7U Active CN218625149U (en) | 2022-12-01 | 2022-12-01 | Hydraulic clutch actuating mechanism with shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625149U (en) |
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2022
- 2022-12-01 CN CN202223209560.7U patent/CN218625149U/en active Active
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