CN219221411U

CN219221411U - Bag type flow regulating valve

Info

Publication number: CN219221411U
Application number: CN202320188962.9U
Authority: CN
Inventors: 李胜会
Original assignee: Caidian Hebei Energy Technology Co ltd
Current assignee: Caidian Hebei Energy Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-20
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field of regulating valves, and discloses a bag type flow regulating valve, which comprises: valve body and disk seat, one side of valve body is provided with the gasbag, the through-hole has been run through to the both sides of disk seat, the through-hole has been run through to the both sides of valve body, the inner wall fixedly connected with air guide pipeline of valve body, the one end fixedly connected with external connection of air guide pipeline, the inner wall of gasbag is provided with fixed clamping ring, and the gasbag passes through fixed clamping ring and valve body fixed connection. This bag type flow control valve through valve body, disk seat, gasbag, through-hole, air duct, external connection and the fixed clamping ring that set up, can regard as independent unit and through the break-make that the combination realized the flow through relatively less valve body and disk seat, conveniently inserts the inside direct welded installation of pipeline with independent unit after the pipeline outer wall opening, has improved the convenience when valve installation.

Description

Bag type flow regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a bag type flow regulating valve.

Background

In the field of industrial automation process control, the regulating valve is also called a control valve, and a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by means of power operation through receiving a control signal output by a regulating control unit is generally composed of an actuating mechanism and a valve, if the regulating valve is characterized by stroke, the regulating valve can be divided into a straight stroke and an angular stroke according to the stroke characteristics, the power used by the actuating mechanism matched with the regulating valve can be divided into three types of pneumatic regulating valves, electric regulating valves and hydraulic regulating valves, the regulating valve can be divided into three types of linear characteristics, equal percentage characteristics and parabolic characteristics according to the functions and characteristics of the regulating valve, the regulating valve is suitable for various corrosive media such as air, water, steam, slurry, oil products and the like, and the regulating valve is commonly classified: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve, self-operated regulating valve.

The volume of the flow regulating valve in the market is generally larger, the pipeline needs to be cut off during installation, the welding flange is used for installation, the installation procedure is more, and the convenience is relatively poor, so that the bag-type flow regulating valve is required, the flow can be switched on and off through relatively smaller unit combination, the independent units are conveniently inserted into the pipeline for direct welding installation after the opening of the outer wall of the pipeline, and the installation convenience is improved.

Disclosure of Invention

In view of the shortcomings of the prior art, the present utility model provides a bladder-type flow control valve that solves the problems noted in the background above.

The utility model provides the following technical scheme: a bladder-type flow regulator valve, comprising: valve body and disk seat, one side of valve body is provided with the gasbag, the through-hole has been run through to the both sides of disk seat, the through-hole has been run through to the both sides of valve body, the inner wall fixedly connected with air guide pipeline of valve body, the one end fixedly connected with external connection of air guide pipeline, the inner wall of gasbag is provided with fixed clamping ring, and the gasbag passes through fixed clamping ring and valve body fixed connection.

Preferably, the inner wall of the through hole is provided with a first cambered surface, and one side of the air bag, which is far away from the valve body, is provided with a second cambered surface.

Preferably, the inner wall integral type of valve body is connected with the support column, the inner wall fixedly connected with arc preforming of gasbag, and one side integral type of arc preforming is provided with a slide, and the inner wall of slide and the outer wall sliding connection of support column.

Preferably, a spring is arranged between the valve body and the arc-shaped pressing piece, and the spring is movably sleeved on the outer walls of the support column and the sliding cylinder.

Preferably, the surface of the first cambered surface is fixedly attached with a sealing ring, and the shape and the size of the sealing ring are mutually matched with those of the air bag.

Preferably, one end of the outer joint penetrates through the outer wall of the valve body and extends to the inner wall of the valve body, and the inner wall of the outer joint is provided with internal threads.

Compared with the prior art, the utility model has the following beneficial effects:

this bag type flow control valve through valve body, disk seat, gasbag, through-hole, air duct, external connection and the fixed clamping ring that set up, can regard as independent unit and through the break-make that the combination realized the flow through relatively less valve body and disk seat, conveniently inserts the inside direct welded installation of pipeline with independent unit after the pipeline outer wall opening, has improved the convenience when valve installation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 4 is a schematic view of the valve body and valve seat structure of the present utility model.

In the figure: 1. a valve body; 2. a valve seat; 3. an air bag; 4. a through-flow hole; 5. a through-flow port; 6. an air guide pipe; 7. an outer joint; 8. fixing the compression ring; 9. a support column; 10. arc tabletting; 11. a spring; 12. a seal ring; 13. a sliding cylinder.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a bladder-type flow regulator valve, comprising: valve body 1 and disk seat 2, one side of valve body 1 is provided with gasbag 3, the through-flow hole 4 has been seted up in the both sides of disk seat 2, the through-flow mouth 5 has been seted up in the both sides of valve body 1, the inner wall fixedly connected with air duct 6 of valve body 1, the one end fixedly connected with external connection 7 of air duct 6, the inner wall of gasbag 3 is provided with fixed clamping ring 8, and gasbag 3 passes through fixed clamping ring 8 and valve body 1 fixed connection, through the valve body 1 that sets up, disk seat 2, gasbag 3, through-flow hole 4, through-flow mouth 5, air duct 6, external connection 7 and fixed clamping ring 8, can regard as independent unit through relatively less valve body 1 and disk seat 2 and realize the break-make of flow through the combination, conveniently insert the inside direct welded installation of pipeline with independent unit after the pipeline outer wall opening, the convenience when having improved the valve installation.

Wherein; the inner wall of the through-hole 4 is provided with a first cambered surface, and one side of the air bag 3 away from the valve body 1 is provided with a second cambered surface, so that stronger extrusion sealing can be formed when the air bag 3 is expanded and extruded.

Wherein; the inner wall integral type of valve body 1 is connected with support column 9, and the inner wall fixedly connected with arc preforming 10 of gasbag 3, and one side integral type of arc preforming 10 is provided with slide drum 13, and slide drum 13's inner wall and the outer wall sliding connection of support column 9 to be convenient for form the support to gasbag 3 and lead the position, guarantee that gasbag 3 is stable flexible.

Wherein; a spring 11 is arranged between the valve body 1 and the arc-shaped pressing piece 10, and the spring 11 is movably sleeved on the outer walls of the support column 9 and the sliding cylinder 13, so that the auxiliary air bag 3 is inflated, and when an external device is damaged, the open-circuit protection of fluid can be formed through the extrusion of the spring 11.

Wherein; the fixed laminating of surface of first cambered surface has sealing washer 12, and the shape size of sealing washer 12 and the shape size of gasbag 3 each other match to in order to improve sealed effect.

Wherein; one end of the outer joint 7 penetrates through the outer wall of the valve body 1 and extends to the inner wall of the valve body 1, and the inner wall of the outer joint 7 is provided with internal threads so as to be connected with an external inflation and deflation device.

When the sealing device is used, two openings are formed in the outer wall of a pipeline, the valve body 1 and the internal parts thereof are inserted into the pipeline through one of the openings, the valve seat 2 and the internal parts thereof are inserted into the pipeline through the other opening, the valve body 1 is located at one side of the fluid incoming path direction, the valve seat 2 is located at one side of the fluid discharging direction, then the outer walls of the valve body 1 and the valve seat 2 are respectively welded with the pipeline, the device is connected with an external inflating and deflating device through an external joint 7, the spring 11 extrudes the arc-shaped pressing piece 10 to push the air bag 3 to expand and tightly cling to the sealing ring 12 to seal the through hole 4, the pipeline is in an open circuit state, when the sealing device needs to be opened, the external inflating and deflating device sucks air, the air bag 3 is contracted and separated from the sealing ring 12, the through hole 4 is opened, the pipeline is in an open circuit state, when the sealing device needs to be closed again, the air bag 3 is inflated, the air bag is inflated by the internal inflating and deflating device, the pressure is increased to form a positive pressure, the positive pressure and the spring 11 pushes the arc-shaped pressing piece 10 to tightly press the through hole 4, and enables the air bag 3 to expand, the air bag 3 to tightly expand and tightly cling to the sealing ring 12, and the pipeline are in an open circuit state.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bladder-type flow rate regulating valve, comprising: valve body (1) and disk seat (2), one side of valve body (1) is provided with gasbag (3), through-flow hole (4) have been run through to the both sides of disk seat (2), through-flow hole (5) have been run through to the both sides of valve body (1), the inner wall fixedly connected with air guide pipeline (6) of valve body (1), the one end fixedly connected with external connection (7) of air guide pipeline (6), the inner wall of gasbag (3) is provided with fixed clamping ring (8), and gasbag (3) are through fixed clamping ring (8) and valve body (1) fixed connection.

2. The bag type flow regulating valve according to claim 1, wherein the inner wall of the through hole (4) is provided with a first cambered surface, and one side of the air bag (3) far away from the valve body (1) is provided with a second cambered surface.

3. The bag type flow regulating valve according to claim 1, wherein the inner wall of the valve body (1) is integrally connected with a support column (9), the inner wall of the air bag (3) is fixedly connected with an arc-shaped pressing sheet (10), one side of the arc-shaped pressing sheet (10) is integrally provided with a sliding cylinder (13), and the inner wall of the sliding cylinder (13) is in sliding connection with the outer wall of the support column (9).

4. A bladder-type flow regulating valve according to claim 3, wherein a spring (11) is arranged between the valve body (1) and the arcuate pressing piece (10), and the spring (11) is movably sleeved on the outer walls of the support column (9) and the slide cylinder (13).

5. The bag type flow regulating valve according to claim 2, wherein a sealing ring (12) is fixedly attached to the surface of the first cambered surface, and the shape and the size of the sealing ring (12) are matched with those of the air bag (3).

6. A bladder-type flow rate regulating valve according to claim 1, characterized in that one end of the outer joint (7) penetrates the outer wall of the valve body (1) and extends to the inner wall of the valve body (1), and the inner wall of the outer joint (7) is provided with an internal thread.