CN217328418U

CN217328418U - Rubber diaphragm for control valve

Info

Publication number: CN217328418U
Application number: CN202220813652.7U
Authority: CN
Inventors: 蔡伟
Original assignee: Ningbo Stern Sealing Technology Co ltd
Current assignee: Ningbo Stern Sealing Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-30
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a rubber diaphragm for control valve belongs to the rubber diaphragm field. The rubber diaphragm for the control valve comprises a rubber diaphragm body; a medium through hole is formed in the center of the rubber diaphragm body, a plurality of screw holes are formed in the rubber diaphragm body, and a first bonding ring, a second bonding ring and a third bonding ring are arranged on the rubber diaphragm body; the rubber diaphragm body is including supporting the steel layer, the utility model discloses when using, through the inside intensity that sets up the effectual improvement rubber diaphragm body in rubber diaphragm body, prevent that the rubber diaphragm body from using for a long time, causing the damage of breaking to and be equipped with the laminating degree that first laminating ring, second laminating ring and third laminating ring can effectual increase rubber diaphragm body, prevent the medium leakage, and adopt various rubber to connect, can enough be suitable for the strength property, also can be suitable for the elasticity performance.

Description

Rubber diaphragm for control valve

Technical Field

The utility model relates to a rubber membrane technical field particularly, relates to a rubber diaphragm for control valve.

Background

Rubber diaphragm mainly is applied to flow, pressure, differential, liquid level, during valve, governing valve, automatic machine servo device, switch and the counter of constant temperature volume thermal compensation etc, however, current rubber diaphragm is when using, and the inside of rubber diaphragm does not set up the structure of multiplicable intensity, and it is lower to have intensity, causes the damage of breaking easily under long-time use to and can not effectual laminating, form the leakproofness, the easy emergence is leaked.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a rubber diaphragm for control valve aims at improving current rubber diaphragm when using, and the inside of rubber diaphragm does not set up the structure of multiplicable intensity, and it is lower to have intensity, causes the damage of breaking easily under long-time use to and can not effectual laminating, form the leakproofness, take place easily and leak.

The embodiment of the utility model provides a rubber diaphragm for a control valve, which comprises a rubber diaphragm body;

a medium through hole is formed in the center of the rubber diaphragm body, a plurality of screw holes are formed in the rubber diaphragm body, and a first bonding ring, a second bonding ring and a third bonding ring are arranged on the rubber diaphragm body;

the rubber diaphragm body comprises a supporting steel layer.

In the above-mentioned realization process, the utility model discloses when using, through the inside intensity that sets up the effectual improvement rubber diaphragm body in rubber diaphragm body, prevent that the rubber diaphragm body from using for a long time, causing the damage of breaking to and be equipped with the laminating degree that first laminating ring, second laminating ring and third laminating ring can effectual increase rubber diaphragm body, prevent the medium leakage, and adopt various rubber to connect, can enough be suitable for the strength property, also can be suitable for the elasticity performance.

In a specific embodiment, wrapping layers are fixedly arranged on two sides of the supporting steel layer, and connecting rings are fixedly arranged at the end parts of the wrapping layers.

In the implementation process, the support steel layer can be effectively wrapped by the wrapping layer and the connecting ring, the support steel layer is protected, and the strength and the elasticity are improved.

In a specific embodiment, outer coating layers are fixedly arranged on two sides of the wrapping layer, and elastic rings are fixedly arranged at the end parts of the outer coating layers.

In the implementation process, the elastic reset can be effectively realized by setting the outer coating and the elastic ring, and the damage caused by the rupture in long-time use is prevented.

In a particular embodiment, the first, second, and third conformable rings are disposed on the outer cover.

In the implementation process, the first fit ring, the second fit ring and the third fit ring are arranged on the outer coating layer, so that the first fit ring, the second fit ring and the third fit ring can be conveniently in contact connection with a flange of a control valve, and the fit degree is improved.

In a particular embodiment, the first conformable ring is disposed on an interior side of the outer covering layer, the second conformable ring is disposed at a center of the outer covering layer, and the third conformable ring is disposed on an exterior side of the outer covering layer.

In the implementation process, the first engaging ring, the second engaging ring and the third engaging ring are arranged at positions, so that the sealing performance can be improved, and the medium leakage can be prevented.

In a specific embodiment, the wrapping layer and the outer covering layer are both made of neoprene rubber structural layers, and the connecting ring and the elastic ring are both made of ethylene propylene rubber structural layers.

In the implementation process, the wrapping layer and the outer coating layer are made of chloroprene rubber structure layers, so that the strength can be effectively increased, and the connecting ring and the elastic ring are made of ethylene propylene rubber structure layers, so that the elasticity can be effectively increased, and the resetting and the laminating are convenient.

In a specific embodiment, the first fitting ring, the second fitting ring and the third fitting ring are symmetrically arranged on two sides of the rubber diaphragm body.

In the implementation process, the two sides of the rubber diaphragm body are respectively provided with the first bonding ring, the second bonding ring and the third bonding ring, so that the contact connection between the rubber diaphragm body and the control valve can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic front view structure diagram provided by an embodiment of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure provided in an embodiment of the present invention;

fig. 3 is a schematic view of a part of the structure provided by the embodiment of the present invention.

In the figure: 100-rubber diaphragm body; 110-a support steel layer; 120-a wrapping layer; 130-a connecting ring; 140-an outer cover layer; 150-an elastic ring; 200-dielectric vias; 300-screw holes; 400-a first conformable ring; 410-a second conformable ring; 420-third conformable ring.

Detailed Description

The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-3, the present invention provides a rubber diaphragm for a control valve, which includes a rubber diaphragm body 100; a medium through hole 200 is formed in the center of the rubber diaphragm body 100, a plurality of screw holes 300 are formed in the rubber diaphragm body 100, and a first attachment ring 400, a second attachment ring 410 and a third attachment ring 420 are arranged on the rubber diaphragm body 100; rubber diaphragm body 100 is including supporting steel layer 110, the utility model discloses when using, through the inside at rubber diaphragm body 100 set up the effectual intensity that improves rubber diaphragm body 100 in support steel layer 110, prevent that rubber diaphragm body 100 from using for a long time, cause the damage of breaking, and be equipped with first laminating ring 400, second laminating ring 410 and third laminating ring 420 can the effectual laminating degree that increases rubber diaphragm body 100, prevent the medium leakage, and adopt various rubber to connect, can enough be suitable for the intensity performance, also can be suitable for the elasticity performance.

In this embodiment, the fixed parcel layer 120 that is equipped with in both sides of supporting steel layer 110, the end fixing of parcel layer 120 is equipped with connecting ring 130, and parcel layer 120 and connecting ring 130 set for can effectually realize wrapping up supporting steel layer 110, protect supporting steel layer 110 to add intensity and elasticity, the fixed outer coating 140 that is equipped with in both sides of parcel layer 120, the end fixing of outer coating 140 is equipped with elastic ring 150, and the setting of outer coating 140 and elastic ring 150 can effectually realize that elasticity resets, prevents to use for a long time and breaks and damages.

The utility model discloses in the file, first laminating ring 400 the second laminating ring 410 with third laminating ring 420 all sets up on outer coating 140, first laminating ring 400, second laminating ring 410 and third laminating ring 420 set up can be convenient for to contact with the flange of control valve on outer coating 140 and be connected, improve the laminating degree, parcel layer 120 with what outer coating 140 adopted all is the chloroprene rubber structural layer, go-between ring 130 with what elastic ring 150 adopted all is the ethylene propylene rubber structural layer, parcel layer 120 and outer coating 140 adopt the chloroprene rubber structural layer can effectual increase intensity, go-between ring 130 and elastic ring 150 adopt the ethylene propylene rubber structural layer can effectual increase elasticity, are convenient for reset and are connected with the laminating.

In a specific setting, the first engaging ring 400 is disposed on the inner side of the outer coating layer 140, the second engaging ring 410 is disposed at the center of the outer coating layer 140, the third engaging ring 420 is disposed on the outer side of the outer coating layer 140, the first engaging ring 400, the second engaging ring 410 and the third engaging ring 420 are disposed at positions, which can improve sealing performance and prevent medium leakage, the first engaging ring 400, the second engaging ring 410 and the third engaging ring 420 are symmetrically disposed on two sides of the rubber diaphragm body 100, and the first engaging ring 400, the second engaging ring 410 and the third engaging ring 420 are disposed on two sides of the rubber diaphragm body 100, which can improve contact connection between the rubber diaphragm body 100 and a control valve.

Specifically, the working principle of the rubber diaphragm for the control valve is as follows: during the use, through being equipped with support steel layer 110 in the inside of rubber diaphragm body 100, realize increasing the intensity of rubber diaphragm body 100, and be equipped with parcel layer 120 and outer coating 140, can realize protecting support steel layer 110, and can increase intensity, keep toughness, can not be when using, cause to break and damage, and be equipped with go-between 130 and elastic ring 150 and can increase elasticity and resettability, and cooperate first laminating ring 400, second laminating ring 410 and third laminating ring 420 to realize carrying out stable laminating with the control valve and be connected, keep the leakproofness, can not take place to leak.

The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rubber diaphragm for a control valve, comprising a rubber diaphragm body (100);

a medium through hole (200) is formed in the center of the rubber diaphragm body (100), a plurality of screw holes (300) are formed in the rubber diaphragm body (100), and a first attaching ring (400), a second attaching ring (410) and a third attaching ring (420) are arranged on the rubber diaphragm body (100);

the rubber diaphragm body (100) comprises a supporting steel layer (110).

2. The rubber diaphragm for the control valve according to claim 1, wherein a wrapping layer (120) is fixedly arranged on two sides of the supporting steel layer (110), and a connecting ring (130) is fixedly arranged at the end part of the wrapping layer (120).

3. The rubber diaphragm for the control valve according to claim 2, wherein an outer coating layer (140) is fixedly arranged on two sides of the wrapping layer (120), and an elastic ring (150) is fixedly arranged at the end part of the outer coating layer (140).

4. The rubber diaphragm for a control valve of claim 3, wherein the first, second and third engaging rings (400, 410, 420) are all provided on the outer coating layer (140).

5. The rubber diaphragm for a control valve according to claim 4, wherein the first engaging ring (400) is provided at an inner side of the outer coating layer (140), the second engaging ring (410) is provided at a center of the outer coating layer (140), and the third engaging ring (420) is provided at an outer side of the outer coating layer (140).

6. The rubber diaphragm for a control valve according to claim 5, wherein the wrapping layer (120) and the outer covering layer (140) are made of a neoprene rubber structure layer, and the connecting ring (130) and the elastic ring (150) are made of an ethylene propylene rubber structure layer.

7. The rubber diaphragm for a control valve according to claim 1, wherein the first, second and third engaging rings (400, 410, 420) are symmetrically provided on both sides of the rubber diaphragm body (100).