CN216112240U

CN216112240U - High-pressure composite sealing valve clack structure

Info

Publication number: CN216112240U
Application number: CN202121957275.6U
Authority: CN
Inventors: 罗纲
Original assignee: Eger Fluid Technology Zhejiang Co ltd
Current assignee: Eger Fluid Technology Zhejiang Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-22
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a high-pressure composite sealing valve clack structure which is arranged in a valve body and comprises a sealing valve seat, a composite valve clack arranged in the sealing valve seat, a reinforcing member and a locking member, wherein the composite valve clack is arranged on the reinforcing member in a wrapping mode, the locking member penetrates through the reinforcing member and is connected with the sealing valve seat, and the locking member is used for fixing the reinforcing member on the sealing valve seat. The utility model improves the compression strength, has higher use pressure, can meet the requirement of bidirectional compression resistance and prolongs the service life of the device; through polyurethane rubber and glass fiber's compound valve clack material, both guaranteed rubber seal's easy leakproofness, improved sealing member intensity through adding glass fiber again, promoted withstand voltage level, whole full immersion type structure has stopped the medium and has got into inside the sealed disk seat from valve clack front end and rear end, has improved sealed reliability to can prevent that backpressure from destroying sealed disk seat.

Description

High-pressure composite sealing valve clack structure

Technical Field

The utility model relates to the technical field of valves, in particular to a high-pressure composite sealing valve clack structure.

Background

The stop valve is also called a stop valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to force a sealing surface not to leak, and a pneumatic stop valve is one of the stop valves, is driven by compressed air to realize opening and closing, and is suitable for controlling media such as gas, steam, liquid and the like. At present, elastic materials such as rubber and the like are adopted for the pneumatic stop valve, the material has good sealing performance, but the material is soft, so that the pneumatic stop valve can be pressed in one direction in use, a fluid medium can flow in one direction only, the valve clack can be damaged when the pneumatic stop valve is pressed in the reverse direction, the one-way pressure-resistant effect also has defects, the strength is low, the pressure difference is resisted, the reliability is low, and the requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-pressure composite sealing valve clack structure for avoiding the defects in the prior art, improves the pressure resistance strength and meets the requirement of bidirectional pressure resistance.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a high pressure compound seal valve clack structure, sets up in the valve body, high pressure compound seal valve clack structure is including sealed disk seat and set up compound valve clack, reinforcement and the retaining member in sealed disk seat, compound valve clack cladding sets up on the reinforcement, the retaining member passes the reinforcement and is connected with sealed disk seat, the retaining member is used for fixing the reinforcement on sealed disk seat.

In several embodiments, one end of the sealing valve seat is provided with a concave groove which is recessed inwards, and the concave groove comprises a first groove body and a second groove body which are communicated with each other.

In several embodiments, the reinforcing member is provided with a connecting hole axially penetrating therethrough, and the locking member is matched with the connecting hole.

In several embodiments, the reinforcement includes a first body portion and a second body portion connected, the first body portion being connected to the sealing valve seat, and a gap being present between the second body portion and the sealing valve seat.

In several embodiments, the composite valve flap is disposed on the second body portion in a wrapping manner, the composite valve flap is disposed in the first groove, and at least one reinforcing edge is disposed around the composite valve flap and embedded in the sealing valve seat.

In several embodiments, one end of the locking piece penetrates through the connecting hole and is in threaded connection with the second groove body, and the other end of the locking piece is embedded in the connecting hole.

The utility model has the following beneficial effects:

the utility model improves the compression strength, has higher use pressure, can meet the requirement of bidirectional compression resistance and prolongs the service life of the device; by adopting the composite valve clack material of polyurethane rubber and glass fiber, the sealing performance of the rubber sealing element is ensured, the strength of the sealing element is improved by adding the glass fiber, and the pressure-resistant grade is improved; the metal reinforcing member structure is adopted, the combination pressure-resistant effect of the metal reinforcing member and the metal reinforcing member is better, and the sealing effect is good; the locking piece is combined, the whole full-immersion structure is adopted, the medium is prevented from entering the sealing valve seat from the front end and the rear end of the valve clack, the sealing reliability is improved, and the sealing valve seat can be prevented from being damaged by reverse pressure.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

FIG. 1 schematically illustrates a partial cross-sectional configuration of a high pressure composite seal flap in combination with a valve body in one embodiment;

FIG. 2 schematically illustrates an overall enlarged configuration of the high pressure composite seal flap configuration in one embodiment;

fig. 3 schematically illustrates an explosive structure of a high pressure composite sealing flap structure in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.

Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of the present invention.

The terminology used herein is for the purpose of describing embodiments only and is not intended to be limiting and/or limiting of the utility model.

For example, expressions such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "relative", "front-back-left-right" and the like indicate relative or absolute arrangements, and indicate not only such arrangements in a strict sense but also a state of being relatively displaced with a tolerance or an angle or a distance to the extent that the same function can be obtained.

The structure shown in figures 1-3, the high-pressure composite sealing valve clack structure is arranged in a valve body and is matched with a valve core for use, and the sealing and stopping effect is achieved.

Specifically, the high-pressure composite sealing valve flap structure comprises a sealing valve seat 100, a composite valve flap 200 arranged in the sealing valve seat 100, a reinforcing member 300 and a locking member 400, wherein the composite valve flap 200 is arranged on the reinforcing member 300 in a wrapping manner, the locking member 400 penetrates through the reinforcing member 300 and is connected with the sealing valve seat 100, and the locking member 400 is used for fixing the reinforcing member 300 on the sealing valve seat 100. The reinforcing member 300 is made of metal steel, the composite valve clack 200 is made of a composite material of polyurethane rubber and glass fiber, and the composite valve clack is pressed in a sealing valve seat through the cooperation of the reinforcing member and the locking member, so that the connection effect, the pressure-resistant effect and the sealing effect are guaranteed.

One end of the sealing valve seat 100 is provided with a concave groove, the concave groove comprises a first groove body 110 and a second groove body 120 which are communicated with each other, the two groove bodies are coaxially arranged, and the inner diameter of the first groove body is larger than that of the second groove body.

And, the reinforcing member 300 is provided with a connecting hole 310 axially penetrating therethrough, the locking member 400 is matched with the connecting hole 310, the reinforcing member 300 comprises a first main body part 301 and a second main body part 302 which are connected, the first main body part 301 is connected with the sealing valve seat 100, a gap exists between the second main body part 302 and the sealing valve seat 100, the first main body part and the second main body part are also coaxially arranged, and the outer diameter of the first main body part is smaller than that of the second main body part.

The cladding of compound valve clack 200 sets up on second main part 302, be about to including the whole cladding of second main part, but the partial cladding is at the whole body of first main part but incomplete cladding, and the part that is not wrapped up by compound valve clack on the first main part is direct and the recess in the sealed valve seat carries out the embedding of laminating, so, compound valve clack 200 sets up in first cell body 110, compound valve clack 200 whole body is encircleed and is provided with at least one reinforcement limit 201, and the reinforcement limit is the annular structure, the embedding of reinforcement limit 201 sets up in sealed valve seat 100, still is provided with an annular groove in the whole body of first cell body 110 promptly for insert fixed reinforcement limit, through the setting of gusset plate, make it also easy-open under the operating mode of frequent switch take off, improved life.

Wherein, retaining member 400 adopts is the countersunk screw structure, the shape of connecting hole 310 is corresponding with the shape of countersunk screw, make in the retaining member can be complete buries the reinforcement, and retaining member 400 has screwed one end promptly afterbody one end pass connecting hole 310 and with second cell body 120 threaded connection, and simultaneously, the other end of retaining member 400 promptly head one end bury the setting in connecting hole 310, the second cell body cooperates with the retaining member through setting up the internal thread, fix the reinforcement on sealed valve seat from this, then fix compound valve clack on sealed valve seat.

The utility model overcomes the problems of low strength and poor pressure-resistant effect of the traditional valve clack in sealing insertion, and can utilize the easy sealing performance of the composite valve clack and also utilize the reinforcing member and the locking member to tightly press the composite valve clack in the sealing valve seat by adopting the integrated structure of the metal reinforcing member and the composite valve clack, thereby greatly improving the integral strength and pressure-resistant grade and prolonging the service life of the composite valve clack.

The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited herein. All manner of description herein may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the utility model and does not pose a limitation on the scope of the utility model unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the utility model.

The present invention describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors envision that the variations may be used as appropriate by those skilled in the art and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this invention includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, any and all possible variations of the above-described elements are encompassed by the present invention unless otherwise indicated herein or otherwise clearly contradicted by context.

Claims

1. The utility model provides a high pressure compound seal valve clack structure, sets up in the valve body, its characterized in that, high pressure compound seal valve clack structure is including sealed valve seat and set up compound valve clack, reinforcement and the retaining member in sealed valve seat, compound valve clack cladding sets up on the reinforcement, the retaining member passes the reinforcement and is connected with sealed valve seat, the retaining member is used for fixing the reinforcement on sealed valve seat.

2. The high-pressure composite sealing valve clack structure as claimed in claim 1, wherein a groove is formed in one end of the sealing valve seat in an inward concave manner, and the groove comprises a first groove body and a second groove body which are communicated with each other.

3. The high-pressure composite sealing valve clack structure as claimed in claim 1, wherein a connecting hole is axially arranged on the reinforcing member in a penetrating manner, and the locking member is matched with the connecting hole.

4. The high pressure composite sealing flap structure of claim 3 wherein the reinforcement comprises a first body portion and a second body portion connected, the first body portion being connected to the sealing valve seat, a gap being present between the second body portion and the sealing valve seat.

5. The high-pressure composite sealing valve flap structure as claimed in claim 4, wherein the composite valve flap is wrapped on the second main body part, the composite valve flap is arranged in the first groove body, at least one reinforcing edge is arranged around the composite valve flap, and the reinforcing edge is embedded in the sealing valve seat.

6. The high-pressure composite sealing valve clack structure as claimed in claim 3, wherein one end of the locking member penetrates through the connecting hole and is in threaded connection with the second groove body, and the other end of the locking member is embedded in the connecting hole.