CN213018007U

CN213018007U - Pneumatic rotary actuator

Info

Publication number: CN213018007U
Application number: CN202021583358.9U
Authority: CN
Inventors: 陈宏�; 郭长源
Original assignee: Wuxi V Tork Fluid Technology Co ltd
Current assignee: Wuxi V Tork Fluid Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-20
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a pneumatic type rotary actuator relates to pneumatic actuator technical field, including the execution pipeline, the inside sealed storehouse that circles round that is provided with of execution pipeline, and the inside inner tube that is provided with of sealed storehouse that circles round, the sealed storehouse inner wall that circles round is provided with the sealing layer, and the inside sliding connection of sealing layer has the execution gleitbretter, be connected with between inner tube and the execution pipeline run through the sealing layer and with the inside bottom complex baffle of sealed storehouse that circles round. The utility model discloses through to the sealed storehouse of circling round inside injection pressure, cooperate the spring to carry out the gleitbretter and regulate and control to adjust rivers, when sealing, because whole semicircular structure, the atress disperses to carrying out the whole surface of gleitbretter, makes the structure wear evenly, avoids local wearing and tearing too fast to lead to leaking night, has greatly improved life; and through the sealing layer and the cooperation of executing the gleitbretter, after the sealing layer that is close to extension water pipe department wearing and tearing, subsequent sealing layer still can be effectual seals the medium, has greatly improved the leakproofness.

Description

Pneumatic rotary actuator

Technical Field

The utility model relates to a pneumatic actuator technical field specifically is a pneumatic type rotary 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, is generally called a pneumatic head, is sometimes provided with a certain standby mechanism, and can be used for directly operating the control valve to maintain normal production when a control system fails due to power failure, air supply stoppage and the like.

However, most of the existing pneumatic actuators adopt a straight-line type, the straight-line type adopts a sliding execution structure, the sealing structure is matched with a sealing ring for sealing, the sealing stroke is short, liquid leakage is easy to occur after abrasion, and when the straight-line type is used, one side is pressed, stress points are concentrated, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of poor sealing performance and short service life of the conventional pneumatic actuator, a pneumatic rotary actuator is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic type rotary actuator, includes the execution pipeline, the inside sealed storehouse that circles round that is provided with of execution pipeline, and the inside inner tube that is provided with of sealed storehouse that circles round, the sealed storehouse inner wall that circles round is provided with the sealing layer, and the inside sliding connection of sealing layer has the execution gleitbretter, be connected with between inner tube and the execution pipeline run through the sealing layer and with the inside bottom complex baffle of sealed storehouse that circles round, and be connected with the spring between baffle one end and the execution gleitbretter, execution pipeline top is provided with the extension pipe, and the inside extension pipe that is provided with of extension pipe, the inside top of inner tube is provided with the water pipe, and the inner tube top be provided with run through its top and with extension pipe and water pipe.

Preferably, one side of the execution pipeline is provided with a threaded section, and the interior of the threaded section is communicated with the water pipe.

Preferably, a connecting section is arranged at the top of the extension pipe and is communicated with the extension water pipe.

Preferably, the bottom end of the inside of the execution pipeline is provided with a pneumatic connecting pipe which extends to the outside of the execution pipeline and penetrates through the sealing layer, and a quick-connection ring is arranged at the position where the pneumatic connecting pipe extends to the outside of the execution pipeline.

Preferably, a limit sill matched with the execution sliding sheet is arranged in the rotary sealing bin close to the baffle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses through to the sealed storehouse of circling round inside injection pressure, cooperate the spring to carry out the gleitbretter and regulate and control to adjust rivers, when sealing, because whole semicircular structure, the atress disperses to carrying out the whole surface of gleitbretter, evenly distributed, makes the structure wear and tear evenly, avoids local wear and tear too fast and leads to leaking night, has greatly improved life; and through the sealing layer and the cooperation of executing the gleitbretter, after the sealing layer that is close to extension water pipe department wearing and tearing, subsequent sealing layer still can be effectual seals the medium, has greatly improved the leakproofness.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

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

FIG. 3 is a side cross-sectional view of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. an execution pipeline; 2. a rotary sealed cabin; 3. a sealing layer; 4. a pneumatic connecting pipe; 5. a baffle plate; 6. a spring; 7. executing sliding; 8. a valve; 9. an inner tube; 10. a water pipe; 11. water passing holes; 12. an extension pipe; 13. a connecting section; 14. an extension water pipe; 15. a threaded segment.

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. 1-4, a pneumatic rotary actuator comprises an execution pipeline 1, a rotary sealed cabin 2 is disposed inside the execution pipeline 1, an inner pipe 9 is arranged in the rotary sealed cabin 2, a sealing layer 3 is arranged on the inner wall of the rotary sealed cabin 2, an execution slide sheet 7 is connected in the sealing layer 3 in a sliding way, a baffle 5 which penetrates through the sealing layer 3 and is matched with the bottom end in the rotary sealing bin 2 is connected between the inner pipe 9 and the execution pipeline 1, and a spring 6 is connected between one end of the baffle 5 and the execution slide sheet 7, an extension pipe 12 is arranged at the top of the execution pipeline 1, an extension water pipe 14 is arranged inside the extension pipe 12, a water pipe 10 is arranged at the top inside the inner pipe 9, and the top of the inner pipe 9 is provided with a water through hole 11 which runs through the top of the inner pipe and is matched with the extension water pipe 14 and the water pipe 10, and the middle of the execution slip sheet 7 is provided with a valve 8 which is matched with the water through hole 11 and the extension water pipe 14.

The utility model discloses through to the sealed storehouse 2 that circles round inside injection pressure, cooperate spring 6 to carry out gleitbretter 7 and regulate and control to adjust rivers, when sealing, because whole semicircular structure, the atress disperses to carrying out the whole surface of gleitbretter 7, evenly distributed, makes the structure wear and tear evenly, avoids local wear and tear too fast and leads to leaking night, has greatly improved life; and through sealing layer 3 and execution gleitbretter 7 cooperation, after the sealing layer 3 that is close to extension water pipe 14 department wears, subsequent sealing layer 3 still can be effectual seals the medium, has greatly improved the leakproofness.

Please refer to fig. 1 and fig. 3, a thread section 15 is disposed on one side of the execution pipeline 1, and the inside of the thread section 15 is communicated with the water pipe 10, the utility model discloses a thread section 15 makes the water pipe 10 be connected with the external pipeline.

Please refer to fig. 1 and fig. 4, the top of the extension pipe 12 is provided with a connection section 13, and the connection section 13 is communicated with the extension water pipe 14, the present invention communicates the outlet pipe with the extension water pipe 14 through the connection section 13.

Please refer to fig. 1 and fig. 2, the bottom of the inside of the execution pipeline 1 is provided with a pneumatic connecting pipe 4 extending to the outside and penetrating the sealing layer 3, and the pneumatic connecting pipe 4 extends to the outside of the execution pipeline 1 and is provided with a quick-connection ring, the utility model discloses a quick-connection ring connects the outside air supply pipeline with the pneumatic connecting pipe 4, so that the outside air supply can be injected into the rotary sealed cabin 2.

Please refer to fig. 1 and fig. 2 again, the inside baffle 5 department that is close to of sealed storehouse 2 that circles round is provided with and carries out the spacing bank of gleitbretter 7 complex, the utility model discloses a spacing bank restriction is carried out the gleitbretter 7 and is reset the stroke and maximum to the complete open and shut state, prevents to reset excessively to lead to rivers to reduce and the shutoff of pneumatic connecting pipe 4.

The working principle is as follows: the water pipe 10 is connected with an external pipeline through a thread section 15, a water outlet pipe is communicated with an extension water pipe 14 through a connecting section 13, the external air supply pipeline is connected with a pneumatic connecting pipe 4 through a quick connecting ring, external air supply can be injected into a rotary sealed cabin 2, an execution slip sheet 7 is pushed through injecting pressure into the rotary sealed cabin 2, a valve 8 deviates from a water through hole 11, water flow is reduced, the execution slip sheet 7 is gradually closed along with offset, the execution slip sheet 7 is reset by matching with a spring 6, an actuator is controlled to be opened and closed, when the actuator is closed, stress is dispersed to the whole surface of the execution slip sheet 7 due to the whole semicircular structure and is uniformly distributed, the structure is uniformly worn, night leakage caused by over-fast local wear is avoided, the service life is greatly prolonged, the sealing layer 3 is matched with the execution slip sheet 7, and after the sealing layer 3 close to the extension water pipe 14 is, the subsequent sealing layer 3 can still effectively seal the medium, and the sealing property is greatly improved.

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

1. Pneumatic rotary actuator comprising an actuation duct (1), characterized in that: a rotary sealed cabin (2) is arranged in the execution pipeline (1), an inner pipe (9) is arranged in the rotary sealed cabin (2), a sealing layer (3) is arranged on the inner wall of the rotary sealed cabin (2), an execution slip sheet (7) is connected in the sealing layer (3) in a sliding manner, a baffle (5) which penetrates through the sealing layer (3) and is matched with the bottom end in the rotary sealed cabin (2) is connected between the inner pipe (9) and the execution pipeline (1), a spring (6) is connected between one end of the baffle (5) and the execution slip sheet (7), an extension pipe (12) is arranged at the top of the execution pipeline (1), an extension water pipe (14) is arranged in the extension pipe (12), a water pipe (10) is arranged at the top of the inner pipe (9), a water passing hole (11) which penetrates through the top of the inner pipe (9) and is matched with the extension water pipe (14) and the water, and a valve (8) matched with the water through hole (11) and the extension water pipe (14) is arranged in the middle of the execution slide sheet (7).

2. A pneumatic rotary actuator according to claim 1, wherein: one side of the execution pipeline (1) is provided with a threaded section (15), and the interior of the threaded section (15) is communicated with the water pipe (10).

3. A pneumatic rotary actuator according to claim 1, wherein: the top of the extension pipe (12) is provided with a connecting section (13), and the connecting section (13) is communicated with an extension water pipe (14).

4. A pneumatic rotary actuator according to claim 1, wherein: the bottom end in the execution pipeline (1) is provided with a pneumatic connecting pipe (4) which extends to the outside of the execution pipeline and penetrates through the sealing layer (3), and a quick-connection ring is arranged at the position, extending to the outer side of the execution pipeline (1), of the pneumatic connecting pipe (4).

5. A pneumatic rotary actuator according to claim 1, wherein: and a limiting bank matched with the execution sliding sheet (7) is arranged in the rotary sealing bin (2) close to the baffle (5).