CN220957060U - Improved pneumatic actuator - Google Patents
Improved pneumatic actuator Download PDFInfo
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- CN220957060U CN220957060U CN202322370069.0U CN202322370069U CN220957060U CN 220957060 U CN220957060 U CN 220957060U CN 202322370069 U CN202322370069 U CN 202322370069U CN 220957060 U CN220957060 U CN 220957060U
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- China
- Prior art keywords
- oil storage
- shaft
- shaped ring
- storage grooves
- piston
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- 238000003860 storage Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 208000004188 Tooth Wear Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of pneumatic control application, and particularly discloses an improved pneumatic actuator which comprises a steering gear component, an on-shaft O-shaped ring, an on-shaft wear-resisting ring, an off-shaft gasket, a limiting block, a side cover O-shaped ring, an off-shaft wear-resisting ring, an off-shaft O-shaped ring, a tooth back wear-resisting plate, a piston wear-resisting ring, a piston O-shaped ring, a group of hexagon head bolts, an I-shaped hexagon nut, an adjusting wire O-shaped ring, a main shaft in-situ direction indicating part, a left side cover inclined surface sealing plate, a right side cover inclined surface sealing plate and the like. The utility model has the beneficial effects that: 1. the back wear-resistant piece on the piston has the oil storage and lubrication functions; 2. the O-shaped ring of the side cover is designed in a different way, so that scratch of two inclined holes of the cylinder body to the O-shaped ring of the piston during assembly of the piston is avoided, and the service life of the actuator is prolonged; 3. the main shaft indicator has an on-site indication function, and direction indication control is convenient; 4. the left and right side covers of the actuator have full-coverage design, so that the appearance is attractive, the materials are reduced, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of pneumatic control application, and particularly relates to an improved pneumatic actuator.
Background
The pneumatic actuator is an actuating device for driving the opening and closing or adjusting valve by air pressure, and is also called as a pneumatic actuating mechanism or a pneumatic device.
Problems with current pneumatic actuators are: (1) The piston tooth back wear-resisting piece is not provided with an oil storage groove design and does not have an oil storage lubricating function; (2) The O-shaped ring of the side cover is in a common shape, not a special-shaped ring, two inclined holes are needed to be processed on the inner wall of the cylinder body at the two sides of the cylinder body of the pneumatic actuator and used for compressed air to flow, and the two inclined holes are easy to scratch the O-shaped ring on the piston when the piston is assembled, so that the sealing and the service life of the piston of the actuator are influenced; (3) The top end part of the main shaft (output shaft) of the actuator has no clear scale indication function; (4) The left and right side covers of the actuator do not have the function of fully covering the end face of the cylinder.
Accordingly, based on the foregoing, the present utility model provides an improved pneumatic actuator.
Disclosure of utility model
The utility model aims to: the utility model aims to provide an improved pneumatic actuator, which solves the problems of the prior pneumatic actuator in the background art.
The technical scheme is as follows: the utility model relates to an improved pneumatic actuator, which comprises a steering gear assembly, a cylinder body, a main shaft, a piston, a left side cover, a right side cover and an inner hexagonal cylindrical head screw, wherein an on-shaft metal gasket, an on-shaft O-shaped ring, an on-shaft wear-resisting ring, an on-shaft lower gasket and a limiting block which are matched with the main shaft are arranged in the upper part of the cylinder body; wherein, left side lid inclined plane closing plate are YL112 integrated into one piece and make, right side lid inclined plane closing plate are YL112 integrated into one piece, and the back of tooth wear pad sets up to arc plate type structure.
According to the technical scheme, the improved pneumatic actuator further comprises an arc-shaped transition part arranged on the side cover O-shaped ring; wherein, the side cap O-shaped ring and the arc transition part are made of nitrile rubber by integral molding.
According to the technical scheme, the improved pneumatic actuator further comprises a group of first oil storage grooves, a group of second oil storage grooves and a plurality of third oil storage grooves, wherein the first oil storage grooves and the second oil storage grooves are respectively arranged on the end surfaces of two ends of the tooth back wear plate, and the third oil storage grooves are arranged on one surface of the tooth back wear plate and are positioned between the group of first oil storage grooves and the group of second oil storage grooves; the tooth back wear pad, the first oil storage grooves, the second oil storage grooves and the third oil storage grooves are formed by integrally forming PA 6.
According to the technical scheme, the group of first oil storage grooves, the group of second oil storage grooves and the plurality of third oil storage grooves are respectively arranged in a semicircular structure; wherein, the quantity of third oil storage recess is 22, and diameter is 2mm.
Compared with the prior art, the improved pneumatic actuator has the beneficial effects that: 1. the back wear-resistant piece on the piston has the oil storage and lubrication functions; 2. the O-shaped ring of the side cover is designed in a different way, so that scratch of two inclined holes of the cylinder body to the O-shaped ring of the piston during assembly of the piston is avoided, and the service life of the actuator is prolonged; 3. the main shaft indicator has an on-site indication function, and direction indication control is convenient; 4. the left and right side covers of the actuator have full-coverage design, so that the appearance is attractive, the materials are reduced, and the cost is reduced.
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 needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view in front cross-section of a portion of the structure of an improved pneumatic actuator of the present utility model;
FIG. 2 is a schematic view of the R-R direction portion of the improved pneumatic actuator of the present utility model;
FIG. 3 is a schematic view of a T-T section of an improved pneumatic actuator of the present utility model;
FIG. 4 is a schematic front view of the back wear plate of the improved pneumatic actuator of the present utility model;
FIG. 5 is a schematic top view of a front view of a tooth back wear plate, a set of first oil grooves, a set of second oil grooves, and a plurality of third oil grooves of the improved pneumatic actuator of the present utility model;
FIG. 6 is a schematic diagram of the front view assembly of the improved pneumatic actuator of the present utility model;
FIG. 7 is a schematic diagram of a right-side view assembly of a cylinder, side cover O-ring, arcuate transition of an improved pneumatic actuator of the present utility model;
FIG. 8 is a schematic view of the front view of the O-ring and arcuate transition of the side cover of the improved pneumatic actuator of the present utility model;
FIG. 9 is a schematic view of the pre-assembly structure of a side cover O-ring, arcuate transition, back wear plate, a set of first oil grooves, a set of second oil grooves, a plurality of third oil grooves, a spindle in-situ direction indicator, etc. of the improved pneumatic actuator of the present utility model;
Wherein, the serial numbers in the figure are as follows: 1-on-axis O-ring, 2-piston O-ring, 3-steering assembly, 4-cylinder, 5-spindle, 6-piston, 7-left side cap, 8-right side cap, 9-stopper, 10-on-axis gasket, 11-off-axis gasket, 12-piston wear ring, 13-on-axis wear ring, 14-off-axis wear ring, 15-side cap O-ring, 15-1-arc transition, 16-on-axis metal gasket, 17-right side cap bevel seal plate, 18-tooth back wear plate, 18-1-third oil storage groove, 18-2-first oil storage groove, 18-3-second oil storage groove, 19-off-axis O-ring, 20-hex head bolt, 21-I-type hex nut, 22-hex socket head screw, 23-spindle in-place indicator, 24-adjustment wire O-ring, 25-left side cap bevel seal plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The improved pneumatic actuator shown in fig. 1,2,3 and 6 comprises a steering gear assembly 3, a cylinder 4, a main shaft 5, a piston 6, a left cover 7, a right cover 8 and a hexagon socket head cap screw 22,
An on-axis metal gasket 16, an on-axis gasket 10, an on-axis O-shaped ring 1, an on-axis wear-resistant ring 13, an under-axis gasket 11 and a limiting block 9 which are matched with the main shaft 5 are arranged in the upper part of the cylinder body 4,
The two end surfaces of the cylinder body 4 are respectively provided with a side cover O-shaped ring 15 which is matched with the left side cover 7 and the right side cover 8,
An under-shaft wear-resistant ring 14 and an under-shaft O-shaped ring 19 which are matched with the main shaft 5 for use are arranged in the lower part of the cylinder body 4,
The pistons 6 are respectively provided with a tooth back wear-resistant piece 18,
The two ends of the piston 6 are respectively provided with a piston wear-resistant ring 12 and a piston O-shaped ring 2,
A group of hexagon head bolts 20 matched with the limiting block 9 are arranged on the cylinder body 4,
The hexagon head bolts 20 are respectively provided with an I-shaped hexagon nut 21 and an adjusting wire O-shaped ring 24,
The steering gear assembly 3 is provided with a spindle in-situ direction indicator 23,
The outer layer of the left cover 7 is provided with a left cover inclined surface sealing plate 25 which is matched with the end surface of one end of the cylinder body 4 for use,
The outer layer of the right cover 8 is provided with a right cover inclined surface sealing plate 17 matched with the end surface of the other end of the cylinder body 4;
wherein, left side lid 7, left side lid inclined plane closing plate 25 are the YL112 integrated into one piece and make, right side lid 8, right side lid inclined plane closing plate 17 are the YL112 integrated into one piece, and the back of tooth wear pad 18 sets up to arc plate type structure.
Example two
On the basis of the first embodiment, as shown in fig. 7, 8 and 9, the improved pneumatic actuator further comprises an arc-shaped transition part 15-1 arranged on the side cover O-shaped ring 15; wherein, the side cover O-shaped ring 15 and the arc transition part 15-1 are made of nitrile rubber by integral molding.
Example III
On the basis of the first embodiment or the second embodiment, as shown in fig. 4 and 5, the improved pneumatic actuator further comprises a group of first oil storage grooves 18-2 and a group of second oil storage grooves 18-3 respectively arranged on the end surfaces of two ends of the tooth back wear plate 18, and a plurality of third oil storage grooves 18-1 arranged on one surface of the tooth back wear plate 18 and positioned between the group of first oil storage grooves 18-2 and the group of second oil storage grooves 18-3;
Wherein, the back wear pad 18, a set of first oil storage grooves 18-2, a set of second oil storage grooves 18-3, and a plurality of third oil storage grooves 18-1 are formed by PA6 integrally.
In addition, a preferred set of first oil storage grooves 18-2, a set of second oil storage grooves 18-3 and a plurality of third oil storage grooves 18-1 are respectively arranged in a semicircular structure; the number of the third oil storage grooves 18-1 is 22, and the diameter is 2mm.
The working principle or the structural principle of the improved pneumatic actuator of the structure:
(1) Compared with the design of the piston tooth back wear-resistant piece of the pneumatic actuator at present, the oil storage groove is added, the oil storage and lubrication functions are realized, and the accurate operation between the cylinder body and the piston is realized; (2) The traditional side cover O-shaped ring is in a common shape, not a special-shaped ring, two inclined holes are needed to be processed on the inner wall of the cylinder body at two sides of the cylinder body of the pneumatic actuator for compressed air to flow, and the two inclined holes are easy to scratch the piston O-shaped ring on the piston when the piston is assembled, so that the sealing and the service life of the actuator piston are affected; (3) The main shaft (output shaft) direction indicator part is arranged at the top end of the main shaft direction indicator component of the actuator, has clear scale indication, can visually see the angle of the opening or closing state of the actuator, and has direction indication (the actuator does not exist at present); (4) The left side lid inclined plane closing plate, right side lid inclined plane closing plate that increase make the executor about the side lid possess full cover cylinder body terminal surface function, and not only the outward appearance is graceful, through tilting design moreover, can reduce materials, reduce cost.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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.
Claims (4)
1. The utility model provides an improved generation pneumatic actuator, includes steering gear subassembly (3), cylinder body (4), main shaft (5), piston (6), left side lid (7), right side lid (8) and interior hexagonal cylinder head screw (22), its characterized in that:
An on-shaft metal gasket (16), an on-shaft gasket (10), an on-shaft O-shaped ring (1), an on-shaft wear-resisting ring (13), an under-shaft gasket (11) and a limiting block (9) which are matched with the main shaft (5) for use are arranged in the upper part of the cylinder body (4),
The two end surfaces of the cylinder body (4) are respectively provided with a side cover O-shaped ring (15) which is matched with the left side cover (7) and the right side cover (8),
An under-shaft wear-resistant ring (14) and an under-shaft O-shaped ring (19) which are matched with the main shaft (5) for use are arranged in the lower part of the cylinder body (4),
The pistons (6) are respectively provided with a tooth back wear-resistant piece (18),
Two ends of the piston (6) are respectively provided with a piston wear-resistant ring (12) and a piston O-shaped ring (2),
A group of hexagon head bolts (20) which are matched with the limiting block (9) for use are arranged on the cylinder body (4),
An I-shaped hexagonal nut (21) and an adjusting wire O-shaped ring (24) are respectively arranged on the hexagonal head bolt (20),
The steering gear assembly (3) is provided with a main shaft in-situ direction indicating part (23),
The outer layer of the left cover (7) is provided with a left cover inclined surface sealing plate (25) which is matched with the end surface of one end of the cylinder body (4),
The outer layer of the right cover (8) is provided with a right cover inclined surface sealing plate (17) which is matched with the end surface of the other end of the cylinder body (4);
Wherein, left side lid (7), left side lid inclined plane closing plate (25) are YL112 integrated into one piece and make, right side lid (8), right side lid inclined plane closing plate (17) are YL112 integrated into one piece and make, and tooth back wear pad (18) set up to arc plate type structure.
2. The improved pneumatic actuator of claim 1, wherein: the improved pneumatic actuator further comprises an arc-shaped transition part (15-1) arranged on the side cover O-shaped ring (15);
Wherein, the side cover O-shaped ring (15) and the arc transition part (15-1) are made of nitrile rubber by integral molding.
3. An improved pneumatic actuator as claimed in claim 1 or claim 2 wherein: the improved pneumatic actuator further comprises a group of first oil storage grooves (18-2) and a group of second oil storage grooves (18-3) which are respectively arranged on the end surfaces of the two ends of the tooth back wear plate (18), and a plurality of third oil storage grooves (18-1) which are arranged on one surface of the tooth back wear plate (18) and are positioned between the group of first oil storage grooves (18-2) and the group of second oil storage grooves (18-3);
The tooth back wear-resistant piece (18), the first oil storage grooves (18-2), the second oil storage grooves (18-3) and the third oil storage grooves (18-1) are formed by integrally molding PA 6.
4. An improved pneumatic actuator as set forth in claim 3 wherein: the first oil storage grooves (18-2), the second oil storage grooves (18-3) and the third oil storage grooves (18-1) are respectively arranged in a semicircular structure;
Wherein the number of the third oil storage grooves (18-1) is 22, and the diameter is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370069.0U CN220957060U (en) | 2024-02-23 | 2024-02-23 | Improved pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370069.0U CN220957060U (en) | 2024-02-23 | 2024-02-23 | Improved pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957060U true CN220957060U (en) | 2024-05-14 |
Family
ID=91006672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322370069.0U Active CN220957060U (en) | 2024-02-23 | 2024-02-23 | Improved pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957060U (en) |
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2024
- 2024-02-23 CN CN202322370069.0U patent/CN220957060U/en active Active
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