CN220870202U

CN220870202U - Compact rainproof exhaust device for pneumatic film actuating mechanism

Info

Publication number: CN220870202U
Application number: CN202322585958.9U
Authority: CN
Inventors: 程路; 李龙; 周睿
Original assignee: Xuzhou Arca Control Valve Co ltd
Current assignee: Xuzhou Arca Control Valve Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-30
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a compact rainproof exhaust device for a pneumatic film executing mechanism, which comprises a rainproof cap and an exhaust pipe; the exhaust pipe is connected with the membrane cover of the membrane chamber exhaust cavity, and is provided with at least one exhaust hole; the rain-proof cap is on the blast pipe, and the exhaust hole is arranged in the rain-proof cap, and the exhaust hole is kept away from rain-proof cap lower extreme air inlet, leaves the clearance between the blast pipe outside global and the inboard global of rain-proof cap that is located exhaust hole department for exhaust hole, rain-proof cap lower extreme air inlet and external environment on the blast pipe are linked together. When the membrane chamber is exhausted, air flows through the exhaust pipe, flows out from the exhaust hole at the end part of the exhaust pipe and enters the exhaust cap to be exhausted into the external environment; when in suction, gas enters the exhaust pipe through the rain-proof cap and then enters the actuating mechanism, and as a certain gap exists between the rain-proof cap and the exhaust pipe and a certain distance exists between the air inlet at the lower end of the rain-proof cap and the exhaust hole at the top end of the exhaust pipe, the gas can flow in but the rainwater can not enter, thereby achieving the aim of rain protection.

Description

Compact rainproof exhaust device for pneumatic film actuating mechanism

Technical Field

The utility model belongs to the field of pneumatic film executing mechanisms, and particularly relates to a compact rainproof exhaust device for a pneumatic film executing mechanism.

Background

Pneumatic diaphragm actuators play a critical role in industrial process control as an important component of the regulator valve. During operation of the pneumatic film actuator, frequent exhaust-suction processes are required in the film chamber. The working environment of the pneumatic film executing mechanism is mostly in outdoor and outdoor places, how to ensure that the exhausting and sucking processes of the executing mechanism are smoothly carried out in rainy days and prevent sucked rainwater from entering the film chamber in the sucking process can greatly influence the service life of the executing mechanism.

Disclosure of Invention

Aiming at the problems, the utility model provides the compact rainproof exhaust device for the pneumatic film actuator, which can rapidly exhaust when the actuator is exhausted, and prevent rainwater from being inhaled when the actuator is inhaled, so that the inside of a film chamber is ensured to be dried, and the service life of the actuator is prolonged.

The utility model is realized according to the following technical scheme:

The utility model discloses a compact rainproof exhaust device for a pneumatic film actuating mechanism, which comprises:

The exhaust pipe is connected with the membrane cover of the membrane chamber exhaust cavity and is provided with at least one exhaust hole;

The rain-proof cap covers on the blast pipe, and the exhaust hole is arranged in the rain-proof cap, and the exhaust hole is kept away from rain-proof cap lower extreme air inlet, leaves the clearance between the blast pipe outside global and the inboard global of rain-proof cap that is located exhaust hole department for exhaust hole, rain-proof cap lower extreme air inlet and external environment on the blast pipe are linked together.

In some embodiments, a gap between the outer peripheral surface of the exhaust pipe and the inner peripheral surface of the rain cap is filled with a water absorbing material.

In some embodiments, the water absorbing material is a PVC breathing material.

In some embodiments, the lower part of the exhaust pipe is provided with external threads, and the membrane cover of the membrane chamber exhaust cavity is provided with an internal threaded hole, and the two are connected together through threads.

In some embodiments, a sealing component is arranged at the connection part of the exhaust pipe and the membrane cover of the exhaust cavity of the membrane chamber.

In some embodiments, the exhaust pipe is provided with a circle of flange structure on the outer peripheral surface connected with the membrane cover of the exhaust cavity of the membrane chamber; the sealing component is a sealing ring, and the sealing ring is sleeved in the exhaust pipe between the flange structure and the membrane cover of the membrane chamber exhaust cavity.

In some embodiments, the upper portion of the exhaust pipe is provided with external threads, and the rain cap is provided with internal threads, which are connected together by threads.

In some embodiments, the exhaust pipe is uniformly provided with four exhaust holes.

The utility model has the beneficial effects that:

1. the utility model can effectively prevent rainwater from entering the inside of the actuating mechanism membrane chamber, and can ensure that the exhaust process is smoothly carried out.

2. The novel PVC breathing material is adopted for filling, and the water-proof effect is good.

3. The utility model has simple structure, convenient installation, rapid replacement of modular design and convenient maintenance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a preferred embodiment of a compact rainproof exhaust for a pneumatic film actuator of the present utility model;

FIG. 2 is another preferred embodiment of a compact rain-proof vent for a pneumatic membrane actuator of the present utility model;

the attached drawings are identified: 1-membrane chamber exhaust cavity membrane cover, 2-sealing ring, 3-exhaust pipe, 4-PVC breathing material and 5-rain cap.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, 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. 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.

As shown in fig. 1, a compact rainproof exhaust device for a pneumatic film actuator mainly comprises a rainproof cap 5 and an exhaust pipe 3. The exhaust pipe 3 is connected with the membrane cover 1 of the membrane chamber exhaust cavity, and at least one exhaust hole is arranged on the exhaust pipe 3; the rain-proof cap 5 covers on blast pipe 3, and the exhaust hole is arranged in rain-proof cap 5, and the exhaust hole keeps away from rain-proof cap 5 lower extreme air inlet, leaves the clearance between the blast pipe 3 outside global and the inboard global of rain-proof cap 5 that is located exhaust hole department for the exhaust hole on blast pipe 3, rain-proof cap 5 lower extreme air inlet and external environment are linked together.

When the membrane chamber is exhausted, air flows through the exhaust pipe 3, flows out from the exhaust hole at the end part of the exhaust pipe 3 and enters the exhaust cap 5 to be exhausted into the external environment; when in suction, gas enters the exhaust pipe 3 through the rain cap 5 and then enters the actuating mechanism, and as a certain gap exists between the rain cap 5 and the exhaust pipe 3 and a certain distance exists between the air inlet at the lower end of the rain cap 5 and the exhaust hole at the top end of the exhaust pipe 3, the gas can flow in but the rainwater can not enter, thereby achieving the aim of rain prevention.

The further scheme is as follows: the lower part of the exhaust pipe 3 is provided with external threads, and the membrane chamber exhaust cavity membrane cover 1 is provided with internal threaded holes which are connected together through threads. The upper part of the exhaust pipe 3 is provided with external threads, the rain cap 5 is provided with internal threads, and the two threads are connected together through threads.

The further scheme is as follows: the joint of the exhaust pipe 3 and the membrane cover 1 of the membrane chamber exhaust cavity is provided with a sealing component.

The preferable scheme is as follows: the outer peripheral surface of the exhaust pipe 3 connected with the membrane cover 1 of the membrane chamber exhaust cavity is provided with a circle of flange structure; the sealing part is a sealing ring 2, and the sealing ring 2 is sleeved in an exhaust pipe 3 positioned between the flange structure and the membrane chamber exhaust cavity membrane cover 1.

The preferable scheme is as follows: four exhaust holes are uniformly formed in the exhaust pipe 3.

The further scheme is as follows: as shown in fig. 2, a gap between the outer peripheral surface of the exhaust pipe 3 and the inner peripheral surface of the rain cap 5 is filled with a water absorbing material.

The preferable scheme is as follows: the water absorbing material adopts PVC breathing material 4.

When the membrane chamber is exhausted, air flows through the exhaust pipe 3, flows out from four small holes at the end part of the exhaust pipe 3, enters the PVC breathing material 4 between the rain cap 5 and the exhaust pipe 3, and is discharged into the external environment; when the air is inhaled, the air enters the exhaust pipe 3 after passing through the PVC breathing material 4 between the rain cap 5 and the exhaust pipe 3 and then enters the actuating mechanism, and when the air flows through the PVC breathing material 4, rainwater in the air is blocked and left, and cannot enter the membrane chamber of the actuating mechanism, so that the aim of rain prevention is achieved.

Therefore, the utility model can effectively prevent rainwater from entering the inside of the actuating mechanism membrane chamber, and can ensure that the exhaust process is smoothly carried out. The novel PVC breathing material is adopted for filling, and the water-proof effect is good. The utility model has simple structure, convenient installation, rapid replacement of modular design and convenient maintenance.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present utility model.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims

1. A compact rainproof exhaust apparatus for a pneumatic film actuator, comprising:

2. A compact rainproof vent for a pneumatic film actuator as set forth in claim 1 wherein:

And a water absorbing material is filled in a gap between the outer peripheral surface of the exhaust pipe and the inner peripheral surface of the rain cap.

3. A compact rainproof vent for a pneumatic film actuator as set forth in claim 2 wherein:

The water absorbing material is PVC breathing material.

4. A compact rainproof vent for a pneumatic film actuator as set forth in claim 1 wherein:

the lower part of blast pipe is equipped with the external screw thread, the membrane chamber exhaust chamber membrane lid is equipped with the internal thread hole, and the two pass through threaded connection together.

5. A compact rainproof vent for a pneumatic film actuator as set forth in claim 1 wherein:

And a sealing part is arranged at the joint of the exhaust pipe and the membrane cover of the exhaust cavity of the membrane chamber.

6. A compact rainproof vent for a pneumatic film actuator as set forth in claim 5 wherein:

The outer peripheral surface of the exhaust pipe connected with the membrane cover of the membrane chamber exhaust cavity is provided with a circle of flange structure;

The sealing component is a sealing ring, and the sealing ring is sleeved in the exhaust pipe between the flange structure and the membrane cover of the membrane chamber exhaust cavity.

7. A compact rainproof vent for a pneumatic film actuator as set forth in claim 1 wherein:

The upper part of the exhaust pipe is provided with external threads, the rain-proof cap is provided with internal threads, and the external threads and the internal threads are connected together through threads.

8. A compact rainproof vent for a pneumatic film actuator as set forth in claim 1 wherein:

four exhaust holes are uniformly formed in the exhaust pipe.