CN221075445U - Pneumatic film regulating valve - Google Patents

Abstract

The utility model is suitable for the technical field of pneumatic film regulating valves, and provides a pneumatic film regulating valve, which comprises a regulating valve main body, a connecting frame and a film executing mechanism, wherein the top end of the regulating valve main body is provided with the connecting frame, the top end of the connecting frame is provided with the film executing mechanism, a film piece is arranged in the film executing mechanism, a spring is arranged at the top end of the film piece, a limiting structure is arranged at the top end of the spring, an air outlet hole is formed at the top end of the film executing mechanism, and a sealing structure is arranged at the top end of the air outlet hole.

Description

Pneumatic film regulating valve

Technical Field

The utility model belongs to the technical field of pneumatic film regulating valves, and particularly relates to a pneumatic film regulating valve.

Background

The pneumatic film regulating valve is a pneumatic executive component which adopts compressed air as a power source, has the characteristics of simple structure, small volume, light weight, sensitive action, convenient maintenance and the like, is widely applied to an automatic control system in the industries of petroleum, chemical industry, metallurgy and the like and is used as a control or cutting-off medium, however, the traditional pneumatic film regulating valve has some problems when in use;

When traditional pneumatic film governing valve is in use, it installs in the open air more, and this just leads to in the long-time in-process of using, in case meet rainy day, the rainwater flows to film actuating mechanism inside very easily and causes the corruption to its inside film and spring, leads to film and spring to receive the damage, influences its life-span of using, consequently just needs to use a pneumatic film governing valve to solve foretell problem.

Disclosure of utility model

The utility model provides a pneumatic film regulating valve, and aims to solve the problem that rainwater and rainwater easily flow into a film executing mechanism through an air outlet when the pneumatic film regulating valve is used outdoors.

The utility model discloses a pneumatic film regulating valve, which comprises a regulating valve main body, a connecting frame and a film executing mechanism, wherein the connecting frame is arranged at the top end of the regulating valve main body, the film executing mechanism is arranged at the top end of the connecting frame, a film piece is arranged in the film executing mechanism, a spring is arranged at the top end of the film piece, a limiting structure is arranged at the top end of the spring, an air outlet hole is formed in the top end of the film executing mechanism, a sealing structure is arranged at the top end of the air outlet hole, a pneumatic positioner is arranged at one side of the connecting frame, the sealing structure comprises a sealing cover, an air outlet groove, a dust screen and a sealing ring, and the sealing cover is arranged at the top end of the air outlet hole.

Preferably, the sealing ring is sleeved on the outer side of the bottom end of the sealing cover, an air outlet groove is formed in the top end of the sealing cover, and a dust screen is arranged in the air outlet groove.

Preferably, the inner diameter of the sealing ring is larger than the outer diameter of the sealing cover, and the sealing ring and the sealing cover form sealing connection.

Preferably, the outer side of the bottom end of the sealing cover is provided with external threads, the inner side of the air outlet hole is provided with internal threads, and the sealing cover is in threaded connection with the air outlet hole.

Preferably, the limit structure comprises a limit seat, a limit rod and a limit groove, wherein the limit seat is arranged at the top end of the inner part of the film executing mechanism, the limit groove is formed in the inner part of the limit seat, and the limit rod is inserted into the middle position of the limit groove.

Preferably, the limit groove is sleeved at the top end of the spring, and the limit rod is inserted into the spring.

Preferably, the inner diameter of the limiting groove is larger than the outer diameter of the spring, and a building structure is formed between the limiting groove and the spring.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

Through the cooperation of sealed lid and sealing washer, can be with the venthole for blocking up, make it when meetting rainy day, the rainwater can not flow to the inside of film actuating mechanism through the venthole to through the setting of gas outlet groove, make it not influence the normal work of venthole when exhausting, the setting of dust screen can also prevent that the dust from entering into the inside of sealed lid, thereby improved sealed effect;

Through being provided with limit structure, in order to prevent that the spring from appearing the slope at the in-process of long-time work from influencing normal work, consequently through the cooperation use of spacing seat, gag lever post and spacing groove, can carry out a location spacing work to the spring, make the spring more stable when using to the spacing effect of location has been improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic elevational partial cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the present utility model showing a partially enlarged structure at A;

FIG. 4 is a schematic cross-sectional elevation view of a spacing structure of the present utility model;

In the figure: 1. a regulating valve body; 2. a connecting frame; 3. a film actuator; 4. a sealing structure; 401. sealing cover; 402. an air outlet groove; 403. a dust screen; 404. a seal ring; 5. a pneumatic positioner; 6. a sheet of film; 7. a spring; 8. a limit structure; 801. a limit seat; 802. a limit rod; 803. a limit groove; 9. and an air outlet hole.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides a pneumatic film regulating valve, which comprises a regulating valve main body 1, a connecting frame 2 and a film executing mechanism 3, wherein the connecting frame 2 is arranged at the top end of the regulating valve main body 1, the film executing mechanism 3 is arranged at the top end of the connecting frame 2, a film piece 6 is arranged in the film executing mechanism 3, a spring 7 is arranged at the top end of the film piece 6, a limiting structure 8 is arranged at the top end of the spring 7, an air outlet hole 9 is formed at the top end of the film executing mechanism 3, a sealing structure 4 is arranged at the top end of the air outlet hole 9, and a pneumatic positioner 5 is arranged on one side of the connecting frame 2;

Specifically, in the present embodiment: when using governing valve main part 1, can carry out a seal to venthole 9 through seal structure 4's setting, prevent that the rainwater from flowing to the inside of venthole 9 to when film actuating mechanism 3 carries out work, can carry out a location spacing to spring 7 through limit structure 8's setting, make spring 7 can not appear the condition of slope influence work in the in-process of long-time use.

In a further preferred embodiment of the present utility model, as shown in FIGS. 1-4: the sealing structure 4 comprises a sealing cover 401, an air outlet groove 402, a dust screen 403 and a sealing ring 404, wherein the sealing cover 401 is arranged at the top end of the air outlet hole 9, the sealing ring 404 is sleeved on the outer side of the bottom end of the sealing cover 401, the air outlet groove 402 is formed in the top end of the sealing cover 401, the dust screen 403 is arranged in the air outlet groove 402, the inner diameter of the sealing ring 404 is larger than the outer diameter of the sealing cover 401, and the sealing ring 404 and the sealing cover 401 form sealing connection.

Specifically, when the regulating valve main body 1 is used, the sealing ring 404 is sleeved on the outer side of the bottom end of the sealing cover 401, then the sealing cover 401 is installed in the air inlet and outlet hole 9 to seal the air outlet hole 9, and the air outlet groove 402 is formed in the bottom of the top end of the sealing cover 401 due to the fact that the inner part of the sealing cover 401 is hollow, so that rainwater does not enter the air outlet hole 9 when the regulating valve main body is used for air outlet, and sealing work is completed.

In a further preferred embodiment of the present utility model, as shown in FIGS. 1-4: the outside of sealed lid 401 bottom is provided with the external screw thread, and the inboard of venthole 9 is provided with the internal screw thread, constitutes threaded connection between sealed lid 401 and the venthole 9.

Specifically, when the sealing cover 401 is installed, the sealing cover 401 is inserted into the air inlet and outlet hole 9 and rotates, and along with the rotation between the sealing cover 401 and the air outlet hole 9, the sealing cover 401 is installed at the top end of the air outlet hole 9, so that the sealing cover is more convenient to install.

In a further preferred embodiment of the present utility model, as shown in FIGS. 1-4: the limit structure 8 comprises a limit seat 801, a limit rod 802 and a limit groove 803, wherein the limit seat 801 is arranged at the top end of the inside of the film executing mechanism 3, the limit groove 803 is formed in the inside of the limit seat 801, the limit rod 802 is inserted in the middle position of the limit groove 803, the limit groove 803 is sleeved at the top end of the spring 7, the limit rod 802 is inserted into the inside of the spring 7, the inner diameter of the limit groove 803 is larger than the outer diameter of the spring 7, and a complete structure is formed between the limit groove 803 and the spring 7.

Specifically, in this embodiment, when the spring 7 is installed, the spring 7 is installed at the top end of the film sheet 6, then the top cover of the film actuator 3 is installed on the film actuator 3, when the film actuator is installed, the limiting groove 803 is sleeved at the top end of the spring 7, and the limiting rod 802 is inserted into the spring 7 to limit the spring 7, so that the spring 7 is more stable during operation and is not easy to incline.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

In the several embodiments provided by the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.

The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (7)

1. A pneumatic membrane regulating valve, characterized in that: the device comprises a regulating valve main body (1), a connecting frame (2) and a film executing mechanism (3), wherein the top end of the regulating valve main body (1) is provided with the connecting frame (2);

The top end of the connecting frame (2) is provided with a film executing mechanism (3), and a film piece (6) is arranged in the film executing mechanism (3);

a spring (7) is arranged at the top end of the film sheet (6), and a limiting structure (8) is arranged at the top end of the spring (7);

An air outlet hole (9) is formed in the top end of the film executing mechanism (3), and a sealing structure (4) is arranged at the top end of the air outlet hole (9);

One side of link (2) is provided with pneumatic locator (5), seal structure (4) are including sealed lid (401), air outlet tank (402), dust screen (403) and sealing washer (404), sealed lid (401) set up in the top of venthole (9).

2. A pneumatic film regulating valve as claimed in claim 1, wherein a sealing ring (404) is sleeved on the outer side of the bottom end of the sealing cover (401);

An air outlet groove (402) is formed in the top end of the sealing cover (401), and a dust screen (403) is arranged in the air outlet groove (402).

3. A pneumatic diaphragm regulating valve according to claim 1, wherein the inner diameter of the sealing ring (404) is larger than the outer diameter of the sealing cover (401), and the sealing ring (404) is in sealing connection with the sealing cover (401).

4. A pneumatic membrane control valve as claimed in claim 3, characterised in that the outer side of the bottom end of the sealing cover (401) is provided with an external thread, the inner side of the air outlet hole (9) is provided with an internal thread, and the sealing cover (401) and the air outlet hole (9) form a threaded connection.

5. The pneumatic film regulating valve according to claim 1, wherein the limiting structure (8) comprises a limiting seat (801), a limiting rod (802) and a limiting groove (803), the limiting seat (801) is arranged at the top end of the inside of the film executing mechanism (3), the limiting groove (803) is formed in the inside of the limiting seat (801), and the limiting rod (802) is inserted in the middle position of the limiting groove (803).

6. A pneumatic diaphragm regulating valve according to claim 5, wherein the limit groove (803) is sleeved on the top end of the spring (7), and the limit rod (802) is inserted into the spring (7).

7. A pneumatic diaphragm regulating valve according to claim 5, wherein the inner diameter of the limit groove (803) is larger than the outer diameter of the spring (7), and a built-in structure is formed between the limit groove (803) and the spring (7).