CN214743688U - Novel double-acting pneumatic actuator - Google Patents

Abstract

The utility model discloses a novel two effect pneumatic actuator relates to pneumatic actuator technical field, comprising a cylinder body, the inside activity chamber that is provided with of cylinder body, activity intracavity portion both sides activity is provided with two sets of opposite direction's piston, and is two sets of the piston inboard all evenly is provided with the tooth's socket, the inside intermediate position department of cylinder body rotates and is connected with the tooth axle with two sets of tooth's sockets all meshing, and tooth axle top and bottom all run through the cylinder body. The utility model discloses an all fixedly being provided with the supporting shoe in cylinder body bottom four corners department, four group's supporting shoes bottoms are all fixed and are provided with buffer spring, and four group's buffer spring fix at the top of mounting panel, and then right the utility model discloses when installing the use, four group's buffer spring can effectually offset owing to ventilate and exhaust the effort that makes cylinder body itself produce vibrations, improved greatly the utility model discloses the stability of whole use, the result of use is better, and it is comparatively convenient to use.

Description

Novel double-acting pneumatic actuator

Technical Field

The utility model relates to a pneumatic actuator technical field specifically is a novel two effect pneumatic actuator.

Background

The pneumatic actuator is an actuating device for opening and closing or regulating a valve by air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head, the pneumatic actuator is sometimes provided with a certain auxiliary device, and is commonly used with a valve positioner and a hand wheel mechanism.

When the pneumatic actuator in the prior art is operated, the pneumatic actuator can vibrate to a certain degree due to the introduction and the discharge of gas, so that the pneumatic actuator is used due to the fact that the pneumatic actuator shakes when the pneumatic actuator is operated, and the pneumatic actuator is troublesome to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a pneumatic actuator in the prior art can generate vibration and is troublesome in operation, a novel double-acting pneumatic actuator is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel two effect pneumatic actuator, includes the cylinder body, the inside activity chamber that is provided with of cylinder body, activity intracavity portion both sides activity is provided with two sets of opposite direction's piston, and is two sets of the piston inboard all evenly is provided with the tooth's socket, the inside intermediate position department of cylinder body rotates and is connected with the tooth axle that all meshes with two sets of tooth's sockets, and tooth axle top and bottom all run through the cylinder body, the intermediate position department of the inside one end both sides of cylinder body is fixed respectively and is provided with first trachea and the second trachea that is linked together with the activity chamber, cylinder body bottom four corners department all fixes and is provided with rather than matched with supporting shoe, four groups the bottom of supporting shoe is all fixed and is provided with buffer spring, four groups buffer spring's the fixed mounting panel that is provided with in bottom, the inside four corners department of mounting panel all is provided with the mounting hole.

Preferably, two ends of the two groups of pistons are provided with grooves, and the grooves are communicated with the movable cavity.

Preferably, the inside both sides that are located two sets of pistons of cylinder body all the activity be provided with activity chamber matched with closing plate, two sets of the top and the bottom of closing plate all fixedly are provided with the stopper that extends to the inside of cylinder body, the top and the bottom of the inside both sides of cylinder body all are provided with the spacing spout with stopper matched with.

Preferably, two sets of piston top and bottom all are fixed and are provided with the cooperation stopper with stopper matched with, and the stopper inboard all is fixed and is provided with the fixed pin that extends to the cooperation stopper inside.

Preferably, both sides of the cylinder body are fixedly provided with end covers matched with the cylinder body, and four corners inside the two groups of end covers are provided with screws extending into the cylinder body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a all fixedly provided with the supporting shoe in cylinder body bottom four corners department, four groups of supporting shoes bottom all fixedly provided with buffer spring, four groups of buffer spring fix the top at the mounting panel, and then right the utility model discloses when installing and using, four groups of buffer spring can effectually offset the effort that makes the cylinder body itself produce vibrations owing to ventilate and exhaust, have improved the stability of the whole use of the utility model greatly, the result of use is better;

2. the utility model discloses a position department that is close to the cylinder body inner wall at two sets of pistons all is provided with the recess, sets up the recess and can make things convenient for first trachea to ventilate and exhaust, makes the utility model discloses when using, shorten greatly from the time of ventilating the response, improvement work efficiency to a certain extent.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1. a cylinder body; 2. a movable cavity; 3. a piston; 4. a tooth socket; 5. a gear shaft; 6. a first air pipe; 7. a second air pipe; 8. a groove; 9. a support block; 10. a buffer spring; 11. mounting a plate; 12. mounting holes; 13. a sealing plate; 14. a limiting block; 15. matching with a limiting block; 16. a limiting chute; 17. an end cap; 18. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a novel double-acting pneumatic actuator comprises a cylinder body 1, a movable cavity 2 is arranged in the cylinder body 1, two sets of pistons 3 with opposite directions are movably arranged at two sides in the movable cavity 2, tooth sockets 4 are uniformly arranged at the inner sides of the two sets of pistons 3, a tooth shaft 5 meshed with the two sets of tooth sockets 4 is rotatably connected at the middle position in the cylinder body 1, the top and the bottom of the gear shaft 5 penetrate through the cylinder body 1, a first air pipe 6 and a second air pipe 7 communicated with the movable cavity 2 are fixedly arranged at the middle positions of two sides of one end inside the cylinder body 1 respectively, supporting blocks 9 matched with the cylinder body 1 are fixedly arranged at four corners of the bottom of the cylinder body 1, buffer springs 10 are fixedly arranged at the bottoms of the four groups of supporting blocks 9, mounting plates 11 are fixedly arranged at the bottoms of the four groups of buffer springs 10, and mounting holes 12 are formed at four corners inside the mounting plates 11.

The utility model discloses an all fix being provided with supporting shoe 9 in 1 bottom four corners department of cylinder body, four group's supporting shoes 9 bottoms are all fixed being provided with buffer spring 10, and four group's buffer spring 10 are fixed at the top of mounting panel 11, and then right the utility model discloses when installing the use, four group's buffer spring 10 can effectually offset because ventilate and exhaust the effort that makes 1 self of cylinder body produce vibrations, improved greatly the utility model discloses the stability of whole use, the result of use is better.

Please refer to fig. 1 and fig. 2 emphatically, two ends of two sets of pistons 3 are all provided with the groove 8, and the groove 8 communicates with the movable chamber 2 each other, the utility model discloses a position department that is close to the inner wall of cylinder body 1 at two sets of pistons 3 all is provided with the groove 8, sets up the groove 8 and can make things convenient for first trachea 6 to ventilate and exhaust, makes the utility model discloses when using, from ventilating to the time of response shorten greatly, certain improvement work efficiency.

Please refer to fig. 1 and fig. 2 emphatically, the both sides that are located two sets of pistons 3 inside the cylinder body 1 are all movably provided with activity chamber 2 matched with closing plate 13, the top and the bottom of two sets of closing plate 13 are all fixedly provided with the stopper 14 that extends to the inside of cylinder body 1, the top and the bottom of the inside both sides of cylinder body 1 all are provided with the spacing spout 16 of stopper 14 matched with, the utility model discloses a structure more than setting up makes piston 3 better at the operation leakproofness, and it is comparatively stable to get up to operate.

Please refer to fig. 1, the top and the bottom of the two sets of pistons 3 are both fixedly provided with the cooperating limiting blocks 15 cooperating with the limiting blocks 14, and the inner sides of the limiting blocks 14 are both fixedly provided with the fixing pins extending to the inside of the cooperating limiting blocks 15, the utility model discloses a structure is arranged above, so that the sealing plate 13 can move along with the pistons 3.

Please refer to fig. 1 and fig. 3, the two sides of the cylinder body 1 are both fixedly provided with the end covers 17 matched with the same, and the four corners inside the two sets of end covers 17 are all provided with the screws 18 extending to the inside of the cylinder body 1, the utility model discloses a structure above the setting, the air tightness of the utility model is guaranteed, and the installation and the disassembly are convenient.

The working principle is as follows: when the gas-driven gas pump is used, an external gas pump is respectively communicated with a first gas pipe 6 and a second gas pipe 7 through two groups of connecting pipes, the bottom of the gear shaft 5 penetrates through the cylinder body 1 to the position below the cylinder body, so that the bottom of the gear shaft 5 is fixedly connected with the external rotating shaft of mechanical equipment needing to be rotated, when gas is introduced into the first gas pipe 6, the gas enters between the two groups of pistons 3, the gas can push the two groups of pistons 3 to be pushed to the positions on the two sides of the movable cavity 2 from the central position of the movable cavity 2, the gear shaft 5 rotates forwards under the action of the tooth grooves 4 on the inner sides of the two groups of pistons 3, and the gas at the two ends of the two groups of pistons 3 is discharged into the atmosphere through the second gas pipe 7;

when gas is introduced into the second gas pipe 7, the gas enters between the two groups of pistons 3 and the two groups of end covers 17, the gas can push the two groups of pistons 3 to be pushed to the central position of the movable cavity 2 from the positions at the two sides of the movable cavity 2, the gear shaft 5 rotates reversely under the action of the tooth grooves 4 on the inner sides of the two groups of pistons 3, and the gas between the two groups of pistons 3 is discharged into the atmosphere through the first gas pipe 6;

because the utility model discloses when ventilating and exhausting, can make cylinder body 1 itself produce vibrations of certain degree, and then all fixedly through four corners department in 1 bottom of cylinder body be provided with supporting shoe 9, four supporting shoe 9 bottoms of group all fixedly are provided with buffer spring 10, and four buffer spring 10 of group fix at the top of mounting panel 11, and then right the utility model discloses when installing and using, four buffer spring 10 of group can effectually offset because ventilate and exhaust the effort that makes cylinder body 1 itself produce vibrations, improved greatly the utility model discloses the stability of whole use, excellent in use effect all is provided with recess 8 in two sets of pistons 3 positions department near 1 inner wall of cylinder body, sets up recess 8 and can make things convenient for first trachea 6 to ventilate and exhaust, makes the utility model discloses when using, from the time of ventilating to the response shortens greatly, certain degree has improved work efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (5)

1. A novel double-acting pneumatic actuator comprises a cylinder body (1), and is characterized in that: a movable cavity (2) is arranged in the cylinder body (1), two groups of pistons (3) with opposite directions are movably arranged on two sides in the movable cavity (2), tooth grooves (4) are uniformly arranged on the inner sides of the two groups of pistons (3), a tooth shaft (5) which is meshed with the two groups of tooth grooves (4) is rotatably connected to the middle position in the cylinder body (1), the top and the bottom of the tooth shaft (5) penetrate through the cylinder body (1), a first air pipe (6) and a second air pipe (7) which are communicated with the movable cavity (2) are respectively and fixedly arranged at the middle positions on two sides of one end in the cylinder body (1), supporting blocks (9) which are matched with the four corners of the bottom of the cylinder body (1) are fixedly arranged at the four corners, buffer springs (10) are fixedly arranged at the bottoms of the four groups of supporting blocks (9), and mounting plates (11) are fixedly arranged at the bottoms of the four groups of buffer springs (10), the four corners of the interior of the mounting plate (11) are provided with mounting holes (12).

2. A novel double acting pneumatic actuator as claimed in claim 1, wherein: two ends of the two groups of pistons (3) are provided with grooves (8), and the grooves (8) are communicated with the movable cavity (2).

3. A novel double acting pneumatic actuator as claimed in claim 1, wherein: the cylinder body (1) inside both sides that are located two sets of pistons (3) all the activity be provided with activity chamber (2) matched with closing plate (13), two sets of the top and the bottom of closing plate (13) all are fixed and are provided with stopper (14) that extend to cylinder body (1) inside, the top and the bottom of the inside both sides of cylinder body (1) all are provided with stopper (14) matched with spacing spout (16).

4. A novel double acting pneumatic actuator as claimed in claim 3, wherein: two sets of piston (3) top and bottom all are fixed be provided with stopper (14) matched with cooperation stopper (15), and stopper (14) inboard all is fixed be provided with the fixed pin that extends to cooperation stopper (15) inside.

5. A novel double acting pneumatic actuator as claimed in claim 1, wherein: both sides of the cylinder body (1) are fixedly provided with end covers (17) matched with the cylinder body, and four corners inside the two groups of end covers (17) are provided with screws (18) extending to the inside of the cylinder body (1).

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