CN212536803U

CN212536803U - Novel diaphragm for pressure regulating valve

Info

Publication number: CN212536803U
Application number: CN202021137353.3U
Authority: CN
Inventors: 黄平
Original assignee: Shanghai Heluge Precision Rubber Co ltd
Current assignee: Shanghai Heluge Precision Rubber Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-12
Anticipated expiration: 2030-06-18

Abstract

The utility model provides a novel diaphragm for air-vent valve belongs to air-vent valve diaphragm technical field. The novel diaphragm for the pressure regulating valve comprises a diaphragm assembly and a protection assembly. The diaphragm subassembly includes diaphragm portion and connecting piece, the connecting piece runs through to be fixed the inside of diaphragm portion, protection component includes protection portion and adapter sleeve, protection portion includes anti-corrosion coating, well intermediate layer and hugs closely the layer, well intermediate layer is fixed anti-corrosion coating with hug closely between the layer, hug closely the layer parcel and fix the outside of adapter sleeve, the surface at the connecting piece is fixed in the adapter sleeve spiro union, closely paste the layer with the internal surface of diaphragm portion is hugged closely. The utility model discloses when novel diaphragm uses, can make the internal surface and the outside of novel diaphragm keep apart to avoid contacting with outside corrosive liquids or gas, thereby improve the life of novel diaphragm.

Description

Novel diaphragm for pressure regulating valve

Technical Field

The utility model relates to an air-vent valve diaphragm field particularly, relates to a novel diaphragm for air-vent valve.

Background

The pressure regulating valve is also called self-operated balance valve, flow control valve, flow controller, dynamic balance valve and flow balance valve, and is a visual, simple and convenient flow regulation control device. The flow regulating valve is mainly applied to: in the water systems of central heating (cooling) and the like, the flow of a pipe network is distributed according to needs, the hydraulic imbalance of the water systems is eliminated, and the problem of uneven cooling and heating is solved.

At present, the current novel diaphragm for pressure-regulating valve is relatively poor in the protection effect of use to the diaphragm internal surface, when long-time with have corrosive liquid or gaseous contact, leads to damaging easily, reduction of service life.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a novel diaphragm for air-vent valve aims at improving the diaphragm that is used for the air-vent valve, to the relatively poor problem of protective effect of diaphragm.

The utility model discloses a realize like this:

the utility model provides a novel diaphragm for air-vent valve, including diaphragm assembly and protective assembly.

The diaphragm subassembly includes diaphragm portion and connecting piece, the connecting piece runs through to be fixed the inside of diaphragm portion, protection component includes protection portion and adapter sleeve, protection portion includes anti-corrosion coating, well intermediate layer and hugs closely the layer, well intermediate layer is fixed anti-corrosion coating with hug closely between the layer, hug closely the layer parcel and fix the outside of adapter sleeve, the surface at the connecting piece is fixed in the adapter sleeve spiro union, closely paste the layer with the internal surface of diaphragm portion is hugged closely.

In an embodiment of the present invention, the membrane portion includes a membrane cover, a membrane waist and a membrane edge, the connecting member is fixed inside the top surface of the membrane cover, the membrane waist is fixed at the edge of the membrane cover, and the membrane edge is fixed at the edge of the membrane waist.

In an embodiment of the present invention, the film cover, the film waist and the film edge are integrally formed.

In an embodiment of the present invention, the first nail hole is disposed inside the membrane edge.

In an embodiment of the present invention, the number of the first nail holes is at least eight, and the first nail holes are circumferentially arranged along the film edge.

In an embodiment of the present invention, the close adhesion layer is closely attached to the inner surface of the film cover, the film waist and the film edge.

In an embodiment of the present invention, a second nail hole is disposed inside the edge of the protection portion, and the second nail hole and the first nail hole have the same aperture.

In an embodiment of the present invention, a groove is formed on the surface of the protection portion, the groove is annular, and the groove is located on one side of the second nail hole.

In an embodiment of the present invention, a reinforcing layer is embedded inside the middle interlayer.

In an embodiment of the present invention, the reinforcing layer includes a first reinforcing wire and a second reinforcing wire, the first reinforcing wire and the second reinforcing wire are fixed perpendicular to each other, and the first reinforcing wire and the second reinforcing wire are all embedded in the middle interlayer.

The utility model has the advantages that: the utility model discloses a novel diaphragm for air-vent valve that above-mentioned design obtained, during the use, with the lower extreme surface of adapter sleeve spiro union to connecting piece, make the internal surface of tightly pasting layer and diaphragm portion paste tightly, can strengthen its anticorrosive effect through setting up of anti-corrosion coating simultaneously, through the setting of well intermediate layer and enhancement layer, can strengthen holistic intensity, through the setting of tightly pasting the layer, can be better laminate with the surface of diaphragm portion, improve the isolation efficiency of diaphragm portion, when novel diaphragm uses like this, can make the internal surface and the outside of novel diaphragm keep apart, thereby avoid keeping away from with outside corrosive liquids or gas contact, thereby improve the life of novel diaphragm.

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 view of a first view angle structure of a novel diaphragm for a pressure regulating valve according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second view angle structure of the novel diaphragm for a pressure regulating valve according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of a novel diaphragm for a pressure regulating valve according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structural view of a novel diaphragm protection portion for a pressure regulating valve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a novel diaphragm reinforcing layer for a pressure regulating valve according to an embodiment of the present invention.

In the figure: 100-a diaphragm assembly; 110-a diaphragm portion; 111-membrane cover; 112-membrane waist; 113-film edge; 1131 — first nail hole; 120-a connector; 200-a guard assembly; 210-a guard; 211-an anti-corrosion layer; 212-middle interlayer; 213-a close-fit layer; 220-connecting sleeve; 230-a second nail hole; 240-card slot; 250-a reinforcing layer; 251-a first reinforcing wire; 252-a second reinforcing wire.

Detailed Description

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 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.

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 implicitly indicating 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a novel diaphragm for a pressure regulating valve includes a diaphragm assembly 100 and a guard assembly 200.

The protection assembly 200 is installed inside the diaphragm assembly 100 to protect the inner surface of the diaphragm and improve the service life.

Referring to fig. 1-3, the diaphragm assembly 100 includes a diaphragm portion 110 and a connecting member 120, the connecting member 120 is fixed inside the diaphragm portion 110, the connecting member 120 is a connecting block, and an external thread structure is formed on a surface of the connecting member 120, and the connecting member 120 is disposed to be conveniently connected to an external pressure regulating valve accessory for convenient installation; the membrane part 110 comprises a membrane cover 111, a membrane waist 112 and a membrane edge 113, the connecting piece 120 is fixed inside the top surface of the membrane cover 111, the membrane waist 112 is fixed at the edge of the membrane cover 111, and the membrane edge 113 is fixed at the edge of the membrane waist 112; the membrane cover 111, the membrane waist 112 and the membrane edge 113 are integrally formed, so that the overall strength of the membrane can be enhanced, and the service life of the membrane can be prolonged.

The film edge 113 is internally provided with at least eight first nail holes 1131, and the first nail holes 1131 are circumferentially arranged along the film edge 113; the inside second nail hole 230 of having seted up in the edge of guard portion 210, second nail hole 230 is the same setting of size with the aperture of first nail hole 1131, through the setting of first nail hole 1131 and second nail hole 230, can make when the equipment convenient and outside hole for installing, make fixed convenience more.

The close adhesion layer 213 is closely adhered to the inner surfaces of the film cover 111, the film waist 112 and the film edge 113, so that the film cover 111, the film waist 112 and the film edge 113 can be isolated from contacting with the outside, and the service life of the membrane can be prolonged.

Referring to fig. 1 and 3-5, the protective assembly 200 includes a protective portion 210 and a connecting sleeve 220, the protective portion 210 includes an anti-corrosion layer 211, a middle interlayer 212 and a close-fitting layer 213, the middle interlayer 212 is fixed between the anti-corrosion layer 211 and the close-fitting layer 213, the close-fitting layer 213 is wrapped and fixed outside the connecting sleeve 220, the connecting sleeve 220 is screwed and fixed on the outer surface of the connecting member 120, an internal thread structure matched with the external thread structure is formed on the inner surface of the connecting sleeve 220, the close-fitting layer 213 is tightly fitted with the inner surface of the diaphragm portion 110, the anti-corrosion layer 211 is made of polyisobutylene rubber, the middle interlayer 212 is made of aramid fiber, the high-temperature strength is high, the close-fitting layer 213 is made of silica gel, the open porous structure is strong in adsorbability, can adsorb various substances, and can be better tightly fitted.

The surface of the protective part 210 is provided with a clamping groove 240, the clamping groove 240 is annular, the clamping groove 240 is positioned on one side of the second nail hole 230, and the clamping groove 240 can be conveniently matched and clamped with an external bump, so that the sealing performance of the diaphragm is enhanced; the reinforcing layer 250 is embedded in the middle interlayer 212, the reinforcing layer 250 comprises a first reinforcing wire 251 and a second reinforcing wire 252, the first reinforcing wire 251 and the second reinforcing wire 252 are mutually vertically fixed, the first reinforcing wire 251 and the second reinforcing wire 252 are embedded in the middle interlayer 212, the first reinforcing wire 251 and the second reinforcing wire 252 are both steel wires, and the arrangement can realize the tidy strength of the protection part 210.

Specifically, the working principle of the novel diaphragm for the pressure regulating valve is as follows: during the use, with the lower extreme surface of adapter sleeve 220 spiro union to connecting piece 120, the messenger hugs closely layer 213 and diaphragm portion 110's internal surface and pastes tightly, can strengthen its anticorrosive effect through the setting of anti-corrosion coating 211 simultaneously, through the setting of well intermediate layer 212 and enhancement layer 250, holistic intensity can be strengthened, through the setting of hugging closely layer 213, can be better laminate with diaphragm portion 110's surface, improve diaphragm portion 110's isolation efficiency, when novel diaphragm uses like this, can make the internal surface and the outside of novel diaphragm keep apart, thereby avoid contacting with outside corrosive liquids or gas, thereby improve the life of novel diaphragm.

The above description is only a preferred embodiment of the present invention and is not intended to limit 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.

Claims

1. A novel diaphragm for a pressure regulating valve is characterized by comprising

The diaphragm assembly (100) comprises a diaphragm part (110) and a connecting piece (120), wherein the connecting piece (120) penetrates through and is fixed in the diaphragm part (110);

protection component (200), protection component (200) are including protection portion (210) and adapter sleeve (220), protection portion (210) are including anti-corrosion layer (211), well intermediate layer (212) and hug closely layer (213), well intermediate layer (212) are fixed anti-corrosion layer (211) with hug closely between layer (213), it fixes to closely layer (213) parcel the outside of adapter sleeve (220), the surface at connecting piece (120) is fixed in adapter sleeve (220) spiro union, closely layer (213) with the internal surface of diaphragm portion (110) is hugged closely.

2. The novel diaphragm for a pressure regulating valve according to claim 1, wherein said diaphragm portion (110) comprises a diaphragm cover (111), a diaphragm waist (112) and a diaphragm edge (113), said connecting member (120) is fixed inside the top surface of said diaphragm cover (111), said diaphragm waist (112) is fixed at the edge of said diaphragm cover (111), and said diaphragm edge (113) is fixed at the edge of said diaphragm waist (112).

3. The novel diaphragm for a pressure regulating valve according to claim 2, characterized in that said diaphragm cover (111), said diaphragm waist (112) and said diaphragm rim (113) are integrally formed.

4. The novel diaphragm for pressure regulating valves according to claim 2, characterized in that the inside of said diaphragm edge (113) is provided with a first nail hole (1131).

5. The novel diaphragm for pressure regulating valves according to claim 4, wherein said first nail holes (1131) are provided in at least eight numbers, and said first nail holes (1131) are circumferentially provided along said diaphragm edge (113).

6. The novel diaphragm for a pressure regulating valve according to claim 2, characterized in that said close adhesion layer (213) is closely adhered to the inner surfaces of said diaphragm cover (111), diaphragm waist (112) and diaphragm rim (113).

7. The novel diaphragm for the pressure regulating valve according to claim 4, wherein a second nail hole (230) is formed inside the edge of the guard portion (210), and the diameter of the second nail hole (230) is the same as that of the first nail hole (1131).

8. The novel diaphragm for a pressure regulating valve according to claim 7, wherein a clamping groove (240) is formed in the surface of the protecting portion (210), the clamping groove (240) is annular, and the clamping groove (240) is located on one side of the second nail hole (230).

9. The novel diaphragm for pressure regulating valves as claimed in claim 1, wherein said sandwich layer (212) is internally inlaid with a reinforcing layer (250).

10. The novel diaphragm for a pressure regulating valve according to claim 9, wherein said reinforcing layer (250) comprises a first reinforcing wire (251) and a second reinforcing wire (252), said first reinforcing wire (251) and said second reinforcing wire (252) are fixed perpendicular to each other, and said first reinforcing wire (251) and said second reinforcing wire (252) are embedded in the interior of the middle sandwich layer (212).