CN217653354U

CN217653354U - Rubber valve seat with high sealing effect

Info

Publication number: CN217653354U
Application number: CN202221377008.6U
Authority: CN
Inventors: 孙国斌; 孙焕忠
Original assignee: Hengshui Yide Rubber And Plastic Product Co ltd
Current assignee: Hengshui Yide Rubber And Plastic Product Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-10-25
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a rubber valve seat with high sealed effect relates to valve technical field, including the disk seat body, set up flutedly on the disk seat body, the embedded sealing washer that is equipped with of recess, a terminal surface of sealing washer is provided with the metal pad, be provided with on the sealing washer and compress tightly the groove, a terminal surface fixed mounting of disk seat body has solid fixed ring, gu be provided with the clamp plate on the fixed ring, the clamp plate with it contacts to compress tightly the groove. Compared with the prior art, the beneficial effects of the utility model are that: the firm fixing of sealing washer is in the recess, avoids leading to the sealing washer displacement or coming off because of the adhesion of valve clack, avoids taking place the adhesion between sealing washer and the recess, makes things convenient for the change work of sealing washer, through the setting of ejector pin, can dismantle the back at solid fixed ring, and the sealing washer is conveniently taken off to jack-up, and the sealing washer is changed.

Description

Rubber valve seat with high sealing effect

Technical Field

The utility model relates to the technical field of valves, specifically be a rubber valve seat with high sealed effect.

Background

The valve seat is also called as a valve port, the diameter of the valve seat is the maximum flow diameter of the valve, and the valve seat is a detachable surface component in the valve and is used for supporting the fully closed position of the valve core and forming a sealing pair. In the valve, the valve flap seals an opening of a valve seat to open and close the valve.

The publication number is: CN214331510U one kind has the rubber valve seat of high sealed effect to disclose, a rubber valve seat with high sealed effect, including the disk seat body, the disk seat body includes the lantern ring and inner ring, the connection can be dismantled to the lantern ring and inner ring, the lantern ring passes through locating part and inner ring fixed connection, the lantern ring all is equipped with the mounting hole with the inner ring, the mounting hole cooperates the setting between adjacent.

At present when the valve is in long-term closed state, the valve clack needs to be extruded on the disk seat, in order to seal the disk seat, rubber seal on the disk seat contacts with the valve clack for a long time, when opening the valve clack, produce the adhesion easily, can lead to the sealing washer to appear the dislocation during adhesion, when the secondary is closed, the problem that sealed effect descends appears easily, and the adhesion also can take place between disk seat body and sealing washer, when changing the sealing washer, can produce some residues on the disk seat body, need clean these residues.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber valve seat with high sealed effect, sealed the pad conveniently changes, increases sealed stability of filling up to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rubber valve seat with high sealed effect, includes valve seat body, set up flutedly on the valve seat body, the embedded sealing washer that is equipped with of recess, a terminal surface of sealing washer is provided with the metal gasket, be provided with on the sealing washer and compress tightly the groove, a terminal surface fixed mounting of valve seat body has solid fixed ring, gu be provided with the clamp plate on the fixed ring, the clamp plate with compress tightly the groove and contact mutually.

Preferably, the sealing ring lifting device comprises a lifting part, the lifting part is used for jacking the sealing ring to enable the sealing ring to be separated from the groove, the lifting part comprises a mounting hole, a spring and an ejector rod, the spring is arranged in the mounting hole, the ejector rod is inserted in the mounting hole in a sliding mode, and one end of the ejector rod abuts against the metal pad.

Preferably, the mounting hole is formed in the valve seat body, and an opening of the mounting hole is formed in the groove.

Preferably, the groove is attached to the metal pad, and the surface roughness of the groove and the metal pad is set to be 0.4 μm.

Preferably, one end of the sealing ring protrudes to the outside of the groove, and the thickness of the protruding part is not less than 0.5cm.

Preferably, the number of the pressing plates is provided with a plurality of pressing plates, the pressing plates are fixedly connected to the inner ring of the fixing ring, and the pressing plates are uniformly distributed on the fixing ring.

Preferably, a bolt penetrates through the fixing ring, and one end of the bolt is screwed into the valve seat body.

Compared with the prior art, the beneficial effects of the utility model are that: this rubber valve seat with high sealed effect: the fixing ring is arranged on the valve seat body, and the pressing plate on the fixing ring is used for extruding and fixing the sealing ring, so that the sealing ring can be firmly fixed in the groove, and the displacement or falling off of the sealing ring caused by the adhesion of the valve clack in use is avoided; the metal pad is arranged at the bottom of the sealing ring and is contacted with the groove, so that the sealing ring is prevented from being adhered to the groove, and the sealing ring is convenient to replace; through the ejector rod arranged in the valve seat body, the sealing ring can be upwards jacked up after the fixing ring is detached, and the sealing ring is conveniently taken down to be replaced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a schematic view of a structure of the utility model after the integral frying;

fig. 3 is a schematic structural diagram of a seal ring and components thereof according to an embodiment of the present invention;

fig. 4 is an overall cross-sectional view of the embodiment of the present invention.

In the figure: 10. a valve seat body; 101. a groove; 102. mounting holes; 103. a spring; 104. a top rod; 11. a seal ring; 111. a metal pad; 112. a compaction groove; 12. a fixing ring; 121. pressing a plate; 13. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "including" or "comprising" and the like in this disclosure is intended to mean that the elements or items listed before that word, and equivalents thereof, are included without exclusion of other elements or items. The terms "connected" and "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a rubber valve seat with high sealed effect, including valve seat body 10, seted up recess 101 on the valve seat body 10, the embedded sealing washer 11 that is equipped with of recess 101, sealing washer 11 needs to bulge to valve seat body 10's outside, just so can be better contact with the valve clack of valve, a terminal surface of sealing washer 11 is provided with metal pad 111, metal pad 111 contacts with recess 101, avoid sealing washer 11 and recess 101 to produce the adhesion, be provided with on the sealing washer 11 and compress tightly groove 112, a terminal surface fixed mounting of valve seat body 10 has solid fixed ring 12, gu be provided with clamp plate 121 on the fixed ring 12, clamp plate 121 and compress tightly groove 112 and contact, through gu fixed ring 12 fixed mounting on valve seat body 10, compress tightly groove 112 through clamp plate 121, can fix sealing washer 11 like this, guarantee the stability of sealing washer 11 position, when avoiding opening, because the adhesion leads to the displacement of sealing washer 11 or drop.

Referring to fig. 2 and 4, the valve seat includes a jacking portion, the jacking portion is used for jacking the sealing ring 11 to separate the sealing ring 11 from the groove 101, the jacking portion includes a mounting hole 102, a spring 103 and a push rod 104, the spring 103 is disposed in the mounting hole 102, the push rod 104 is slidably inserted in the mounting hole 102, the push rod 104 can move along an axial direction of the mounting hole 102, the push rod 104 can be driven to extend out of the mounting hole 102 by an elastic force of the spring 103, the mounting hole 102 is disposed on the valve seat body 10, an opening of the mounting hole 102 is disposed at the groove 101, one end of the push rod 104 abuts against the metal pad 111, the metal pad 111 and the sealing ring 11 can be positioned out of the groove 101 by extending the push rod 104, replacement of the sealing ring 11 and the metal pad 111 is facilitated, and the metal pad 111 and the sealing ring 11 are fixedly connected together.

Referring to fig. 4, the grooves 101 and the metal pads 111 are attached, the surface roughness of the grooves 101 and the metal pads 111 is set to 0.4 μm, and the smoothness between the metal pads 111 and the grooves 101 is sufficiently small, so that the sealability between the grooves 101 and the metal pads 111 is ensured.

Referring to fig. 1, one end of the sealing ring 11 protrudes out of the groove 101, and the thickness of the protruding portion is not less than 0.5cm, so that the sealing ring 11 protrudes outward, and the sealing ring can be fully contacted with the valve flap, and the sealing performance is ensured.

Please refer to fig. 1 and fig. 2, the quantity of clamp plate 121 is provided with a plurality of, clamp plate 121 fixed connection is in the inner ring department of solid fixed ring 12, a plurality of clamp plate 121 evenly distributed is on solid fixed ring 12, through can all fix around sealing washer 11 like this, avoid its local warpage, guarantee clamp plate 121 to the stability that sealing washer 11 is fixed, gu fixed ring 12 is last to run through there is bolt 13, the one end screw in of bolt 13 is on disk seat body 10, screw up through bolt 13, can gu fixed ring 12 fixed mounting on disk seat body 10.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a rubber valve seat with high sealed effect which characterized in that: including disk seat body (10), seted up on disk seat body (10) recess (101), recess (101) are embedded to be equipped with sealing washer (11), a terminal surface of sealing washer (11) is provided with metal gasket (111), be provided with on sealing washer (11) and compress tightly groove (112), a terminal surface fixed mounting of disk seat body (10) has solid fixed ring (12), gu be provided with clamp plate (121) on fixed ring (12), clamp plate (121) with compress tightly groove (112) and contact.

2. A rubber valve seat with high sealing effect according to claim 1, wherein: the sealing ring lifting device comprises a lifting part, wherein the lifting part is used for lifting the sealing ring (11) to enable the sealing ring to be separated from the groove (101), the lifting part comprises a mounting hole (102), a spring (103) and an ejector rod (104), the spring (103) is arranged in the mounting hole (102), the ejector rod (104) is inserted in the mounting hole (102) in a sliding mode, and one end of the ejector rod (104) abuts against the metal pad (111).

3. A rubber valve seat having a high sealing effect according to claim 2, wherein: the mounting hole (102) is formed in the valve seat body (10), and an opening of the mounting hole (102) is formed in the groove (101).

4. A rubber valve seat with high sealing effect according to claim 1, wherein: the groove (101) is attached to the metal pad (111), and the surface roughness of the groove (101) and the surface roughness of the metal pad (111) are set to be 0.4 mu m.

5. A rubber valve seat having a high sealing effect according to claim 1, wherein: one end of the sealing ring (11) protrudes to the outside of the groove (101), and the thickness of the protruding part is not less than 0.5cm.

6. A rubber valve seat with high sealing effect according to claim 1, wherein: the quantity of clamp plate (121) is provided with a plurality of, clamp plate (121) fixed connection is in the inner ring department of solid fixed ring (12), a plurality of clamp plate (121) evenly distributed is in gu on the fixed ring (12).

7. A rubber valve seat having a high sealing effect according to claim 1, wherein: a bolt (13) penetrates through the fixing ring (12), and one end of the bolt (13) is screwed into the valve seat body (10).