CN215444824U - Clutch pneumatic actuator with double sealing function - Google Patents
Clutch pneumatic actuator with double sealing function Download PDFInfo
- Publication number
- CN215444824U CN215444824U CN202120238878.4U CN202120238878U CN215444824U CN 215444824 U CN215444824 U CN 215444824U CN 202120238878 U CN202120238878 U CN 202120238878U CN 215444824 U CN215444824 U CN 215444824U
- Authority
- CN
- China
- Prior art keywords
- fixing plate
- clutch
- piston
- cylinder
- pneumatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 239000000428 dust Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910018594 Si-Cu Inorganic materials 0.000 claims description 2
- 229910008465 Si—Cu Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Actuator (AREA)
Abstract
A clutch pneumatic actuator with double sealing functions relates to the mechanical field of pneumatic actuators, and comprises a wave spring, a bearing, a fixing plate, a cylinder barrel, a sealing cover and a rocker, the fixing plate is provided with a fixing plate bolt, the fixing plate and the cylinder barrel are locked and fixed through the fixing plate bolt, the cylinder barrel is internally connected with a cylinder, the outer wall of the cylinder barrel is provided with the sealing cover, the upper part of the sealing cover is provided with a piston, the piston is internally provided with the bearing, the bearing is provided with the wave spring, a magnet cavity is arranged on the piston, a magnet is arranged in the magnet cavity, the rocker is arranged on the outer wall of the magnet cavity, one end of the rocker is connected with the magnet cavity, and the sealing performance of the pneumatic actuator is improved due to the double-sealing design, so that the service life of the clutch pneumatic actuator is greatly prolonged.
Description
Technical Field
The utility model relates to the mechanical field of pneumatic actuators, in particular to a clutch pneumatic actuator with double sealing functions.
Background
The actuators are classified into pneumatic, electric and hydraulic actuators according to their energy forms, and they have characteristics and are suitable for different occasions. Pneumatic actuators are one category of actuators. Pneumatic actuators can also be divided into two types, single-acting and double-acting: the opening and closing actions of the actuators are all driven and executed by air sources, and the actuators are called DOUBLE ACTING. The switching action of SPRING RETURN (single acting) is only air source driven on, and SPRING RETURN on off.
Pneumatic actuators are often used in controlling gear shifting in a vehicle transmission. Actuators commonly used for gear shifting include a cylinder and a solenoid valve for facilitating movement of the cylinder piston and its control system. In the cylinder a piston is arranged to move back and forth in the cylinder, driving a gear shifting mechanism of the gearbox to help the gears of the gearbox to combine with each other for the purpose of shifting gears. The piston divides the cylinder into a first space and a second space, the electromagnetic valve is used for putting compressed air into the first space or the second space through the air valve simultaneously or in sequence, and the piston moves back and forth by utilizing the pressure difference of the two spaces. The principle of the work of the cylinder for shifting gears of the gearbox is as follows: the electronic control module compares a given signal with a feedback signal of the displacement sensor in real time, and when the given signal changes, the electronic control module controls the on-off of a valve in the electromagnetic valve group, so that the piston of the cylinder moves, and when the piston of the cylinder moves, the position of the gear shifting mechanism is driven to change, and therefore the switching of gears is realized. Since only two-position switching can be realized by one single-way cylinder, in a multi-gear gearbox, multiple single-way cylinders are generally required to be respectively controlled to realize multi-gear switching. The traditional double-stroke cylinder is mechanically matched with two cylinders, three positions can be switched, and the double-stroke cylinder is very suitable for shifting a two-gear neutral-gear gearbox. However, the conventional double-stroke cylinder generally has four gas exchange holes, and needs to be matched with four gas control valves when in use, so that the design and the control are slightly redundant.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems of poor sealing performance and the like of a pneumatic actuator in the prior art, the utility model provides the clutch pneumatic actuator with double sealing functions, which can avoid the problems.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a clutch pneumatic actuator with double sealing functions comprises a wave spring, a bearing, a fixing plate, a cylinder barrel, a sealing cover and a rocker, wherein a fixing plate bolt is arranged on the fixing plate, the fixing plate and the cylinder barrel are locked and fixed through the fixing plate bolt, a cylinder is connected in the cylinder barrel, the sealing cover is arranged on the outer wall of the cylinder barrel, a piston is arranged at the upper part of the sealing cover, the bearing is installed in the piston, the wave spring is arranged on the bearing, a magnet cavity is arranged on the piston, a magnet is arranged in the magnet cavity, a magnet cavity fixing cover plate is arranged on the upper surface of the magnet cavity, the rocker is arranged on the outer wall of the magnet cavity, one end of the rocker is connected with the magnet cavity, and a rocker connector is arranged at the other end of the rocker, which is back to the magnet cavity, the lower part of the magnet cavity is connected with the fixing plate through a bolt.
In some embodiments, a seal cover fixing bolt is arranged on the seal cover, a nut is arranged on the seal cover fixing bolt, and a circle of sealing gasket is arranged on the inner wall of the seal cover.
In some embodiments, a pre-tightening spring is arranged in the axial direction of the outer side of the cylinder, a guide ring is arranged on the upper portion of the pre-tightening spring, a sealing ring is arranged on the upper portion of the guide ring, a clamp spring is arranged on the upper portion of the sealing ring, and a dustproof sealing ring is arranged between the clamp spring and the sealing ring.
In some embodiments, a threaded hole is provided in the inner sidewall of the piston.
In some embodiments, the cylinder barrel is integrally formed using an Al-Si-Cu based alloy.
In some embodiments, a position sensor is disposed on the cylinder.
In some embodiments, the pre-tensioned spring has a diameter greater than a diameter of the cylinder bore, the pre-tensioned spring interfacing with the piston.
In some embodiments, the guide ring and the dust seal have the same diameter.
In some embodiments, the anchor plate bolts are of the reinforcing half-headed square-neck bolt type.
The utility model discloses a clutch pneumatic actuator with double sealing functions, which relates to the mechanical field of pneumatic actuators and comprises a wave spring, a bearing, a fixed plate, a cylinder barrel, a sealing cover and a rocker, the fixing plate is provided with a fixing plate bolt, the fixing plate and the cylinder barrel are locked and fixed through the fixing plate bolt, the cylinder barrel is internally connected with a cylinder, the outer wall of the cylinder barrel is provided with the sealing cover, the upper part of the sealing cover is provided with a piston, the piston is internally provided with the bearing, the bearing is provided with the wave spring, a magnet cavity is arranged on the piston, a magnet is arranged in the magnet cavity, the rocker is arranged on the outer wall of the magnet cavity, one end of the rocker is connected with the magnet cavity, and the sealing performance of the pneumatic actuator is improved due to the double-sealing design, so that the service life of the clutch pneumatic actuator is greatly prolonged.
The utility model has the beneficial effects that:
1. according to the clutch pneumatic actuator with the double sealing function, when the clutch is separated, the switch of the two parallel air inlet electromagnetic valves is controlled through the PWM signal, and the air inlet amount is controlled in a permutation and combination mode; when the clutch is jointed, the switches of the two parallel air outlet electromagnetic valves are controlled through PWM signals, the air outlet quantity is controlled in a permutation and combination mode, the fast-slow-fast control in the jointing process is realized, and the slow jointing speed regulation can be realized. The pneumatic mode adopts a working mode of pneumatic action, the working medium of the pneumatic mode is gas, some vehicles are provided with a pneumatic braking system and can be used as a gas source of the pneumatic mechanism to provide gas for the pneumatic mechanism, and the mode does not need to change too many original mechanisms, so that the structure of a driving mechanism can be greatly simplified.
2. The Hall displacement sensor is arranged in the mechanism of the clutch pneumatic actuator with the double sealing function corresponding to the piston, the mechanism realizes the integration of the displacement sensor and the electromagnetic valve, the manual operation such as a clutch pedal is cancelled, the labor intensity of a driver is reduced, and the comfort of a vehicle is improved.
3. Compared with hydraulic transmission, the pneumatic actuator of the clutch with double sealing functions has the advantages of simple pneumatic transmission maintenance, clean working medium, no problems of medium pollution, deterioration and the like, low cost and automatic overload protection.
4. According to the clutch pneumatic actuator with the double sealing function, the starting stroke can be stably controlled through the telescopic rod clamp spring and the pre-tightening spring, the return speed is further increased, the working efficiency of the pneumatic actuator is improved, the structure is simple, and the control is easy.
Drawings
FIG. 1 is a three-dimensional perspective view of a clutch pneumatic actuator with dual sealing capability according to the present invention;
FIG. 2 is a sectional view showing the overall structure of a pneumatic actuator for a clutch having a double sealing function according to the present invention;
FIG. 3 is an exploded view of a clutch pneumatic actuator with dual sealing capability according to the present invention;
fig. 4 is a partially enlarged view of reference character a in fig. 3.
Reference numerals:
1. a wave spring; 2. a bearing; 3. a fixing plate; 4. a cylinder barrel; 5. a sealing cover; 6. a magnet; 7. a rocker; 8. pre-tightening the spring; 9. a clamp spring; 10. a rocker connector; 11. a seal cover fixing bolt; 12. a cylinder; 13. a seal ring; 14. a dustproof sealing ring; 15. a nut; 16. a piston; 17. a fixing plate bolt; 18. A gasket; 19. a guide ring; 61. a magnet cavity fixing cover plate; 62. a magnet cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 4, the clutch pneumatic actuator with double sealing functions according to the embodiment of the present invention includes a wave spring 1, a bearing 2, a fixing plate 3, a cylinder tube 4, a sealing cover 5, and a rocker 7, wherein the fixing plate is provided with a fixing plate bolt 17, the fixing plate and the cylinder tube are locked and fixed by the fixing plate bolt, a cylinder 12 is connected in the cylinder tube, the cylinder provides power for the pneumatic actuator to compress, the sealing cover is provided on an outer wall of the cylinder tube, a piston 16 is provided on an upper portion of the sealing cover, the bearing is installed in the piston, the wave spring is provided on the bearing, a magnet chamber 62 is provided on the piston, a magnet 6 is provided in the magnet chamber, a magnet chamber fixing cover plate 61 is provided on an upper surface of the magnet chamber, and the rocker is provided on an outer wall of the magnet chamber, one end of the rocker is connected with the magnet cavity, the other end of the rocker, which faces away from the magnet cavity, is provided with a rocker connector 10, the lower part of the magnet cavity is connected with the fixed plate through a bolt, the wave spring locks the pneumatic actuator, the piston assists the cylinder to move, all the parts are mutually matched to finish the gear shifting operation of the clutch, the switch of two parallel air outlet electromagnetic valves is controlled through a PWM signal when the clutch is jointed, the air outlet quantity is controlled through a permutation and combination mode, the fast-slow-fast control of the jointing process is realized, and the speed regulation of the slow jointing can be realized. The pneumatic mode adopts a working mode of pneumatic action, the working medium of the pneumatic mode is gas, some vehicles are provided with a pneumatic braking system and can be used as a gas source of the pneumatic mechanism to provide gas for the pneumatic mechanism, and the mode does not need to change too many original mechanisms, so that the structure of a driving mechanism can be greatly simplified.
In the specific implementation of the embodiment of the present invention, as shown in fig. 1 to 4, a seal cover fixing bolt 11 is disposed on the seal cover, a nut 15 is disposed on the seal cover fixing bolt, the nut reinforces the seal cover, a gasket 18 is further disposed inside the seal cover, and the double sealing of the seal cover and the gasket improves the overall sealing performance of the pneumatic actuator.
In specific implementation of the embodiment of the present invention, as shown in fig. 1 to 4, a pre-tightening spring 8 is arranged in an outer axial direction of the cylinder, a guide ring 19 is arranged on an upper portion of the pre-tightening spring, a seal ring 13 is arranged on an upper portion of the guide ring, the dustproof seal ring 14 is arranged on an upper portion of the seal ring, and a snap spring 9 is arranged between the dustproof seal ring and the seal ring.
In the specific implementation of the embodiment of the present invention, as shown in fig. 1 to 4, a threaded hole is formed on the inner side wall of the piston.
In the specific implementation of the embodiment of the utility model, as shown in fig. 1 to 4, the cylinder barrel is of an integrally formed structure, and ADC12 hard anode oxidation resistant material is used.
When the embodiment of the utility model is implemented specifically, as shown in fig. 1 to 4, the cylinder is provided with the position sensor for feeding back the position of the piston, and the piston is provided with the hall displacement sensor, so that the mechanism realizes the integration of the displacement sensor and the electromagnetic valve, eliminates the manual operation of a clutch pedal and the like, reduces the labor intensity of a driver, and improves the comfort of a vehicle.
In the specific implementation of the embodiment of the present invention, as shown in fig. 1 to 4, the diameter of the pre-tightening spring is larger than that of the cylinder barrel, and the pre-tightening spring is connected with the piston.
In the practice of the embodiments of the present invention, as shown in fig. 1-4, the guide ring and the dust seal have the same diameter.
In the specific implementation of the embodiment of the present invention, as shown in fig. 1 to 4, the fixing plate bolts are reinforcing half-headed square-neck bolts.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (9)
1. A clutch pneumatic actuator with double sealing functions is characterized by comprising a wave spring, a bearing, a fixing plate, a cylinder barrel, a sealing cover and a rocker, wherein a fixing plate bolt is arranged on the fixing plate, the fixing plate and the cylinder barrel are locked and fixed through the fixing plate bolt, a cylinder is connected in the cylinder barrel, the sealing cover is arranged on the outer wall of the cylinder barrel, a piston is arranged at the upper part of the sealing cover, the bearing is installed in the piston, the wave spring is arranged on the bearing, a magnet cavity is arranged on the piston, a magnet is arranged in the magnet cavity, a magnet cavity fixing cover plate is arranged on the upper surface of the magnet cavity, the rocker is arranged on the outer wall of the magnet cavity, one end of the rocker is connected with the magnet cavity, and a rocker connector is arranged at the other end of the rocker, which faces away from the magnet cavity, the lower part of the magnet cavity is connected with the fixing plate through a bolt.
2. The pneumatic clutch actuator with the double sealing function according to claim 1, wherein a seal cover fixing bolt is provided on the seal cover, a nut is provided on the seal cover fixing bolt, and a gasket is provided around an inner wall of the seal cover.
3. The pneumatic clutch actuator with the double sealing function as claimed in claim 1, wherein a pre-tightening spring is provided in an axial direction of an outer side of the cylinder, a guide ring is provided on an upper portion of the pre-tightening spring, a seal ring is provided on an upper portion of the guide ring, a clamp spring is provided on an upper portion of the seal ring, and a dust seal ring is provided between the clamp spring and the seal ring.
4. The pneumatic actuator for a clutch with a double sealing function as claimed in claim 1, wherein a threaded hole is provided on an inner side wall of the piston.
5. The pneumatic actuator for a clutch with a double sealing function according to claim 1, wherein the cylinder tube is integrally formed using an Al-Si-Cu based alloy.
6. The pneumatic actuator for a clutch with a double sealing function according to claim 1, wherein a position sensor is provided on the cylinder.
7. The pneumatic clutch actuator with double sealing function as claimed in claim 3, wherein the diameter of the pre-tightening spring is larger than that of the cylinder barrel, and the pre-tightening spring is connected with the piston.
8. The pneumatic clutch actuator with double sealing function as claimed in claim 3, wherein the guide ring and the dust seal ring have the same diameter.
9. The pneumatic actuator with double sealing function of clutch as claimed in claim 1, wherein said fixing plate bolt is of the type of reinforcing half-headed square-neck bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238878.4U CN215444824U (en) | 2021-01-28 | 2021-01-28 | Clutch pneumatic actuator with double sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238878.4U CN215444824U (en) | 2021-01-28 | 2021-01-28 | Clutch pneumatic actuator with double sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444824U true CN215444824U (en) | 2022-01-07 |
Family
ID=79701186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120238878.4U Expired - Fee Related CN215444824U (en) | 2021-01-28 | 2021-01-28 | Clutch pneumatic actuator with double sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215444824U (en) |
-
2021
- 2021-01-28 CN CN202120238878.4U patent/CN215444824U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103603840A (en) | Integrated hydraulic valve group and hydraulic drive system and concrete pump | |
| CN102748464A (en) | Novel three-position cylinder executing mechanism of auxiliary box | |
| CN203770272U (en) | Integrated hydraulic valve set, hydraulic drive system and concrete pump | |
| CN111486149A (en) | Servo power-assisted hydraulic cylinder | |
| CN215444824U (en) | Clutch pneumatic actuator with double sealing function | |
| WO2007016519B1 (en) | Variable valve actuator | |
| EP0950816B1 (en) | Ball-poppet pneumatic control valve | |
| CN205047814U (en) | Electronically controlled pneumatic mechanical type automatic gearbox selects gear shift actuating mechanism | |
| EP0609044A1 (en) | An air valving mechanism, in combination with a double diaphragm pump subassembly | |
| CN202326487U (en) | Reversing valve and multichannel reversing valve | |
| CN218236102U (en) | Hydraulic gear shifting control system and gearbox | |
| CN103697156A (en) | Pneumatic shifting multipoint soft positioning mechanism | |
| CN114455499B (en) | Electrohydraulic jack without external oil source | |
| JPH0361675A (en) | Auxiliary pressure forming apparatus | |
| CN201382146Y (en) | Three-position gear shifting cylinder | |
| CN109707680B (en) | Compound automatic diverter valve | |
| CN201330836Y (en) | Novel single-lever double-H transmission cover plate assembly | |
| CN109555795A (en) | Clutch servo-cylinder and on-off control mechanism | |
| CN203686108U (en) | Pneumatic gear-shifting multi-point soft positioning mechanism | |
| CN114955868A (en) | Load port independent control valve, hoisting machinery hydraulic system and working method thereof | |
| CN212155305U (en) | Servo power-assisted hydraulic cylinder | |
| CN107605821A (en) | A kind of novel gas-liquid conversion equipment | |
| US5517875A (en) | Gear shifting device of a pneumatic transmission | |
| CN2305516Y (en) | Electrohydraulic push rod | |
| CN216788869U (en) | Pressure reducing type double-acting follow-up oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |