CN216813080U - Pneumatic actuator - Google Patents
Pneumatic actuator Download PDFInfo
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- CN216813080U CN216813080U CN202220305441.2U CN202220305441U CN216813080U CN 216813080 U CN216813080 U CN 216813080U CN 202220305441 U CN202220305441 U CN 202220305441U CN 216813080 U CN216813080 U CN 216813080U
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- end cover
- piston
- upright post
- cylinder barrel
- pneumatic actuator
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- 238000007789 sealing Methods 0.000 claims abstract description 44
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 244000098674 Pinus cembroides Species 0.000 description 1
- 235000005013 Pinus cembroides Nutrition 0.000 description 1
- 235000008591 Pinus cembroides var edulis Nutrition 0.000 description 1
- 235000015593 Pinus monophylla Nutrition 0.000 description 1
- 235000015594 Pinus parryana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a pneumatic actuator which comprises a cylinder barrel, an upper end cover, a lower end cover, a piston rod and an upright post, wherein two ends of the cylinder barrel are respectively connected with the upper end cover and the lower end cover in a sealing manner, air holes are formed in one side of the upper end cover and one side of the lower end cover, two ends of the upright post are respectively connected with the upper end cover and the lower end cover in a sealing manner, one end of the piston rod is arranged in the cylinder barrel and is connected with the piston, the other end of the piston rod is connected with the lower end cover in a sliding manner, the upright post is arranged in the cylinder barrel, a sliding hole is formed in the piston, the upright post is connected with the piston in a sliding manner through the sliding hole, and the piston is connected with the cylinder barrel in a sliding manner. Compared with the traditional pneumatic actuator, the pneumatic actuator has the advantages that the number of the required upright columns is small, the appearance size of the pneumatic actuator is smaller, the overall weight is lighter, and the upright columns are used for a piston guide device, so that the piston is more stable in linear reciprocating motion, the output efficiency is higher, and the service life is longer.
Description
Technical Field
The utility model relates to the technical field of pneumatic valves, in particular to a pneumatic actuator.
Background
The pneumatic actuator is applied to hydraulic, pneumatic and mechanical transmission systems, generally comprises a piston, a piston rod, a cylinder barrel and the like, mechanical energy is converted into pneumatic energy through the piston, the pneumatic energy can also be converted in the reverse direction, the application range is wide, and the transmission efficiency is high. However, the outer ring of the traditional pneumatic actuator is provided with a plurality of bolt structures for fixing, the installation is complicated, the required accommodating space is large, and the assembly process is multiple.
Disclosure of Invention
In order to overcome the defects of the background art, the technical scheme adopted by the utility model is as follows: the pneumatic actuator comprises a cylinder barrel, an upper end cover, a lower end cover, a piston rod and an upright post, wherein two ends of the cylinder barrel are respectively connected with the upper end cover and the lower end cover in a sealing manner, air holes are formed in one side of the upper end cover and one side of the lower end cover, two ends of the upright post are respectively connected with the upper end cover and the lower end cover in a sealing manner, one end of the piston rod is arranged in the cylinder barrel and is connected with the piston, the other end of the piston rod is connected with the lower end cover in a sliding manner, the upright post is arranged in the cylinder barrel, a sliding hole is formed in the piston, the upright post is connected with the piston in a sliding manner through the sliding hole, and the piston is connected with the cylinder barrel in a sliding manner.
Furthermore, the upper end cover is provided with a through hole, the lower end cover is provided with a blind hole, one end of the upright post is connected with the blind hole in a threaded connection mode, and the other end of the upright post is in sealing fit with the through hole.
Furthermore, threads are arranged in the blind holes, one end of the stand column is in threaded connection with the lower end cover, and the other end of the stand column is in threaded connection with the upper end cover.
Furthermore, one side of the blind hole is provided with a limit screw.
Furthermore, the side surfaces of the upper end cover and the lower end cover are respectively provided with a first sealing ring, the upper end cover and the lower end cover are connected with the cylinder barrel in a sealing mode through the first sealing rings, the upper end cover is provided with a second sealing ring, the stand column is connected with the upper end cover in a sealing mode through the second sealing rings, one side of the piston is provided with a third sealing ring, and the piston is connected with the cylinder barrel in a sealing mode through the third sealing ring.
Furthermore, the lower end cover is provided with a first wear-resistant belt, the piston rod is slidably connected with the lower end cover through the first wear-resistant belt, and hard chromium is electroplated on the surface of the piston rod.
Furthermore, the piston is provided with a second wear-resistant belt, the upright post is connected with the piston in a sliding mode through the second wear-resistant belt, and hard chromium is electroplated on the surface of the upright post.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the structure of the traditional pneumatic actuator, the pneumatic actuator has the advantages that the number of required upright columns is small, the appearance size of the pneumatic actuator with the same specification is smaller, the overall weight is lighter, the upright columns are used for fixing and also used for a guide device of the piston, so that the piston is more stable in linear reciprocating motion, the output efficiency is higher, and the service life is longer.
2. Stand one end and blind hole threaded connection, the other end passes through the nut and connects upper end cover, cylinder, lower extreme cover with the mode of sticising to avoid the nut pine to take off through stop screw, thereby improve the leakproofness.
3. The surface of the piston rod/the upright post is plated with hard chromium, so that the piston rod/the upright post is more wear-resistant when being in sliding fit with the first wear-resistant belt/the second wear-resistant belt, the air tightness of the piston rod/the upright post is ensured, and the service life of the product is prolonged.
The following describes embodiments of the present invention with reference to the drawings.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a perspective view of a conventional pneumatic actuator;
wherein: 1-cylinder barrel, 2-upper end cover, 3-lower end cover, 4-piston, 5-piston rod, 6-upright post, 7-limit screw, 8-nut, 21-air hole, 22-through hole, 24-first sealing ring, 25-second sealing ring, 31-blind hole, 32-first wear-resisting belt, 41-slide hole, 42-third sealing ring and 43-second wear-resisting belt;
Detailed Description
As shown in fig. 1 and 2, a pneumatic actuator comprises a cylinder barrel 1, an upper end cover 2, a lower end cover 3, a piston 4, a piston rod 5 and an upright post 6, wherein two ends of the cylinder barrel 1 are respectively connected with the upper end cover 2 and the lower end cover 3 in a sealing manner, one sides of the upper end cover 2 and the lower end cover 3 are respectively provided with an air hole 21, two ends of the upright post 6 are respectively connected with the upper end cover 2 and the lower end cover 3 in a sealing manner, one end of the piston rod 5 is arranged in the cylinder barrel 1 and connected with the piston 4, the other end of the piston rod is connected with the lower end cover 3 in a sliding manner, the upright post 6 is arranged in the cylinder barrel 1, the piston 4 is provided with a sliding hole 41, the upright post 6 is connected with the piston 4 in a sliding manner through the sliding hole 41, and the piston 4 is connected with the cylinder barrel 1 in a sliding manner. As shown in fig. 3, the upright columns 6 of the utility model are arranged inside the cylinder barrel 1, compared with the structure of the traditional pneumatic actuator, the required number of the upright columns 6 is small, the appearance size of the utility model with the same specification is smaller, the whole weight is lighter, the upright columns 6 are not only used for fixing the cylinder barrel 1, the upper end cover 2 and the lower end cover 3, but also used for a guide device of the piston 4, so that the piston 4 is more stable in linear reciprocating motion, the output efficiency is higher, and the service life is longer.
Wherein, upper end cap 2 is equipped with through-hole 22, lower end cap 3 is equipped with blind hole 31, stand 6 is connected with blind hole 31 with threaded connection's mode one end, and the other end is in sealed cooperation with through-hole 22. The blind hole 31 is internally provided with threads, one end of the upright post 6 is in threaded connection with the lower end cover 3, and the other end of the upright post is in bolted connection with the upper end cover 2. And one side of the blind hole 31 is provided with a limit screw 7. 6 one end of stand and blind hole 31 threaded connection, the other end passes through nut 8 and is connected upper end cover 2, cylinder 1, lower end cover 3 with the mode that sticiss to avoid 8 pine of nut to take off through stop screw 7, thereby improve the leakproofness of cylinder 1 and upper end cover 2, lower end cover 3.
The side surfaces of the upper end cover 2 and the lower end cover 3 are respectively provided with a first sealing ring 24, the upper end cover 2 and the lower end cover 3 are in sealing connection with the cylinder barrel 1 through the first sealing rings 24, the upper end cover 2 is provided with a second sealing ring 25, the upright post 6 is in sealing connection with the upper end cover 2 through the second sealing ring 25, one side of the piston 4 is provided with a third sealing ring 42, and the piston 4 is in sealing connection with the cylinder barrel 1 through the third sealing ring 42. The air tightness of the utility model is improved through the first sealing ring 24, the second sealing ring 25 and the third sealing ring 42, so that the transmission efficiency of converting mechanical energy into air pressure is improved.
The lower end cover 3 is provided with a first wear-resistant belt 32, the piston rod 5 is slidably connected with the lower end cover 3 through the first wear-resistant belt 32, and the surface of the piston rod 5 is plated with hard chrome. The piston 4 is provided with a second wear-resistant belt 43, the upright post 6 is slidably connected with the piston 4 through the second wear-resistant belt 43, and the surface of the upright post 6 is electroplated with hard chrome. The surfaces of the piston rod 5/the upright post 6 are plated with hard chrome, so that the piston rod 5/the upright post 6 is more wear-resistant when in sliding fit with the first wear-resistant belt 32/the second wear-resistant belt 43, the air tightness of the piston rod 5/the upright post 6 is ensured, and the service life of the product is prolonged.
The skilled person should know that: although the present invention has been described in terms of the above-described embodiments, the inventive concept is not limited thereto, and any modification that utilizes the inventive concept is intended to be included within the scope of the appended claims.
Claims (7)
1. A pneumatic actuator comprises a cylinder barrel (1), an upper end cover (2), a lower end cover (3), a piston (4), a piston rod (5) and an upright post (6), the two ends of the cylinder barrel (1) are respectively connected with the upper end cover (2) and the lower end cover (3) in a sealing way, air holes (21) are arranged on one sides of the upper end cover (2) and the lower end cover (3), the two ends of the upright post (6) are respectively connected with the upper end cover (2) and the lower end cover (3) in a sealing way, one end of the piston rod (5) is arranged in the cylinder barrel (1) and is connected with the piston (4), the other end is connected with the lower end cover (3) in a sliding way, it is characterized in that the upright post (6) is arranged inside the cylinder barrel (1), the piston (4) is provided with a slide hole (41), the upright post (6) is connected with the piston (4) in a sliding mode through a sliding hole (41), and the piston (4) is connected with the cylinder barrel (1) in a sliding mode.
2. A pneumatic actuator as claimed in claim 1, wherein: the upper end cover (2) is provided with a through hole (22), the lower end cover (3) is provided with a blind hole (31), one end of the upright post (6) is connected with the blind hole (31) in a threaded connection mode, and the other end of the upright post is in sealing fit with the through hole (22).
3. A pneumatic actuator as claimed in claim 2, wherein: the blind hole (31) is internally provided with threads, one end of the upright post (6) is in threaded connection with the lower end cover (3), and the other end of the upright post is in bolted connection with the upper end cover (2).
4. A pneumatic actuator according to claim 3, wherein: and one side of the blind hole (31) is provided with a limit screw (7).
5. A pneumatic actuator as claimed in claim 1, wherein: the sealing device is characterized in that first sealing rings (24) are arranged on the side faces of the upper end cover (2) and the lower end cover (3), the upper end cover (2) and the lower end cover (3) are connected with the cylinder barrel (1) in a sealing mode through the first sealing rings (24), second sealing rings (25) are arranged on the upper end cover (2), the stand column (6) is connected with the upper end cover (2) in a sealing mode through the second sealing rings (25), third sealing rings (42) are arranged on one side of the piston (4), and the piston (4) is connected with the cylinder barrel (1) in a sealing mode through the third sealing rings (42).
6. A pneumatic actuator as claimed in claim 1, wherein: the lower end cover (3) is provided with a first wear-resistant belt (32), the piston rod (5) is connected with the lower end cover (3) in a sliding mode through the first wear-resistant belt (32), and hard chromium is electroplated on the surface of the piston rod (5).
7. A pneumatic actuator as claimed in claim 1, wherein: the piston (4) is provided with a second wear-resistant belt (43), the upright post (6) is slidably connected with the piston (4) through the second wear-resistant belt (43), and hard chromium is electroplated on the surface of the upright post (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305441.2U CN216813080U (en) | 2022-02-15 | 2022-02-15 | Pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305441.2U CN216813080U (en) | 2022-02-15 | 2022-02-15 | Pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813080U true CN216813080U (en) | 2022-06-24 |
Family
ID=82042369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220305441.2U Active CN216813080U (en) | 2022-02-15 | 2022-02-15 | Pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813080U (en) |
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2022
- 2022-02-15 CN CN202220305441.2U patent/CN216813080U/en active Active
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