CN216768325U

CN216768325U - Sealing gasket for self-operated hydraulic control valve

Info

Publication number: CN216768325U
Application number: CN202123114194.2U
Authority: CN
Inventors: 刘淑芳
Original assignee: Hande Taicang Sealing System Co ltd
Current assignee: Hande Taicang Sealing System Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-17
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a sealing gasket for a self-operated hydraulic control valve, which comprises a framework, wherein a rubber outer ring is integrally formed on the front surface of the framework, a lip edge is integrally formed in an inner cavity of the rubber outer ring, a rubber inner ring is integrally formed on the back surface of the framework, water through holes are formed in the inner cavities of the framework, the rubber outer ring and the rubber inner ring, and an annular fixing block is embedded in the inner cavity of the framework. According to the utility model, the back surface of the rubber inner ring can be sealed through the matching of the sealing ring, the lip edge can be elastically contracted through the matching of the spring ring, the sealing effect of the rubber outer ring is enhanced, the buffering space is provided through the first buffering groove and the second buffering groove, then the peripheries of the annular fixing block and the annular supporting block can be uniformly and elastically buffered through the matching of the elastic micro-beads and the micro-spring, the extrusion forces conducted to the framework, the rubber outer ring and the rubber inner ring can be buffered and counteracted, and the integral loss rate of the rubber outer ring and the rubber inner ring is reduced.

Description

Sealing gasket for self-operated hydraulic control valve

Technical Field

The utility model relates to the field of valve accessories, in particular to a sealing gasket for a self-operated hydraulic control valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and the sealing gasket is a sealing spare part used for machines, equipment and pipelines as long as the parts have fluid, and uses an inner part and an outer part to play a role in sealing.

When the user carries out flow control to the inside liquid that flows of pipeline, need use the hydraulic control valve of doing oneself, however the user is when the installation to hydraulic control valve of doing oneself and pipeline intercommunication, need install sealed pad additional to prevent to appear liquid leakage between hydraulic control valve of doing oneself and the pipeline, however traditional sealed pad is in the use, sealed buffering effect is poor, can not support sealed inside springiness cushioning, the time of a long time, sealed pad easily appears the atress and damages, thereby easily make liquid from the hydraulic control valve of doing oneself and the pipeline connection position leakage.

Disclosure of Invention

The utility model aims to provide a sealing gasket for a self-operated hydraulic control valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sealed pad for hydraulic control valve of doing oneself, includes the skeleton, the front integrated into one piece of skeleton has the rubber outer lane, the inner chamber integrated into one piece of rubber outer lane has the lip limit, the back integrated into one piece of skeleton has the rubber inner circle, the limbers has been seted up to the inner chamber of skeleton, rubber outer lane and rubber inner circle, the inner chamber of skeleton is inlayed and is equipped with annular fixed block, the inner chamber of rubber outer lane and rubber inner circle all inlays and is equipped with the annular supporting shoe that uses with the cooperation of annular fixed block, skeleton, rubber outer lane and rubber inner circle one side in opposite directions are provided with sealed buffer gear.

Preferably, sealed buffer gear includes sealing washer, spring coil, first dashpot, second dashpot, elasticity microballon and micro spring, the recess has been seted up to rubber inner circle's back annular, and the inner chamber of recess bonds and has the sealing washer, the inner chamber ring cover in lip limit is equipped with the spring coil, annular fixed block and annular supporting shoe in opposite directions have all been seted up first dashpot all around, annular fixed block and annular supporting shoe in opposite directions have all seted up the second dashpot all around, the second dashpot is located the inboard of first dashpot, the inner chamber of first dashpot is inlayed and is equipped with the elasticity microballon, the vertical inlaying in inner chamber of second dashpot is equipped with micro spring.

Preferably, the periphery of the front surface of the rubber outer ring is integrally formed with anti-skid salient points, and the anti-skid salient points are distributed along the center of the rubber outer ring in a circumferential structure.

Preferably, the back surface of the rubber inner ring is annularly provided with anti-skid coarse grains, and the anti-skid coarse grains are in a woven net structure.

Preferably, the lip is positioned on the inner side of the rubber outer ring, and the width of the lip is larger than that of the spring ring.

Preferably, the thickness of the framework is larger than that of the rubber outer ring and that of the rubber inner ring, and the diameter of the framework is the same as that of the rubber outer ring and that of the rubber inner ring.

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

1. according to the utility model, the back surface of the rubber inner ring can be sealed through the matching of the sealing ring, the lip edge can be elastically contracted through the matching of the spring ring, the sealing effect of the rubber outer ring is enhanced, the buffering space is provided through the first buffering groove and the second buffering groove, then the peripheries of the annular fixing block and the annular supporting block can be uniformly and elastically buffered through the matching of the elastic micro-beads and the micro-springs, the extrusion forces conducted to the framework, the rubber outer ring and the rubber inner ring can be buffered and offset, and the integral loss rate of the rubber outer ring and the rubber inner ring is reduced.

2. According to the utility model, the friction coefficient of the front surface of the rubber outer ring is increased through the anti-skid salient points, the sealing stability of the rubber outer ring is enhanced, the friction force of the back surface of the rubber inner ring is increased through the anti-skid coarse grains, the rubber inner ring is prevented from displacement, the spring ring can be completely wrapped through the width of the lip edge being larger than the width of the spring ring, the spring ring is prevented from falling off from the inner part of the lip edge, the overall bearing strength of the framework is enhanced through the thickness of the framework being larger than the thicknesses of the rubber outer ring and the rubber inner ring, and the framework is prevented from extrusion deformation under stress.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the construction of the rubber inner race of the present invention;

FIG. 3 is a structural sectional view of the frame, the rubber outer ring and the rubber inner ring of the present invention.

In the figure: 1. a framework; 2. a rubber outer ring; 3. a lip; 4. a rubber inner ring; 5. an annular fixed block; 6. An annular support block; 7. a sealing buffer mechanism; 71. a seal ring; 72. a spring ring; 73. a first buffer tank; 74. a second buffer tank; 75. elastic microbeads; 76. a micro-spring; 8. anti-skid bumps; 9. and (4) anti-skid coarse grains.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an embodiment of the present invention is shown: a sealing gasket for a self-operated hydraulic control valve comprises a framework 1, wherein a rubber outer ring 2 is integrally formed on the front surface of the framework 1, a lip 3 is integrally formed in an inner cavity of the rubber outer ring 2, a rubber inner ring 4 is integrally formed on the back surface of the framework 1, water through holes are formed in the inner cavities of the framework 1, the rubber outer ring 2 and the rubber inner ring 4, an annular fixed block 5 is embedded in the inner cavity of the framework 1, an annular supporting block 6 matched with the annular fixed block 5 is embedded in the inner cavities of the rubber outer ring 2 and the rubber inner ring 4, a sealing buffer mechanism 7 is arranged on one side, opposite to the framework 1, the rubber outer ring 2 and the rubber inner ring 4, sealing treatment can be performed on the back surface of the rubber inner ring 4 through the matching of a sealing ring 71, the lip 3 can be elastically contracted through the matching of a spring ring 72, the sealing effect of the rubber outer ring 2 is enhanced, and a buffer space is provided through a first buffer groove 73 and a second buffer groove 74, then, through the cooperation of the elastic micro-beads 75 and the micro-springs 76, the peripheries of the annular fixing block 5 and the annular supporting block 6 can be uniformly and elastically buffered, the extrusion forces conducted to the framework 1, the rubber outer ring 2 and the rubber inner ring 4 can be buffered and offset, and the overall loss rate of the rubber outer ring 2 and the rubber inner ring 4 is reduced.

The sealing buffer mechanism 7 comprises a sealing ring 71, a spring ring 72, a first buffer groove 73, a second buffer groove 74, elastic beads 75 and a micro spring 76, a groove is annularly formed in the back face of the rubber inner ring 4, the sealing ring 71 is bonded in the inner cavity of the groove, the back face of the rubber inner ring 4 can be subjected to sealing treatment, the spring ring 72 is annularly sleeved in the inner cavity of the lip edge 3, the lip edge 3 can be elastically contracted, the sealing effect of the rubber outer ring 2 is enhanced, the first buffer grooves 73 are formed in the opposite peripheries of the annular fixed block 5 and the annular supporting block 6, the second buffer grooves 74 are located on the inner side of the first buffer grooves 73, the elastic beads 75 are embedded in the inner cavity of the first buffer grooves 73, the micro spring 76 is vertically embedded in the inner cavity of the second buffer grooves 74, the peripheries of the annular fixed block 5 and the annular supporting block 6 can be uniformly and elastically buffered, the extrusion force conducted to the framework 1, the rubber outer ring 2 and the rubber inner ring 4 can be buffered and offset.

The anti-skidding salient points 8 are integrally formed on the periphery of the front surface of the rubber outer ring 2, the anti-skidding salient points 8 are distributed along the center of the rubber outer ring 2 in a circumferential structure, the friction coefficient of the front surface of the rubber outer ring 2 is increased, and the sealing stability of the rubber outer ring 2 is enhanced.

Anti-skidding coarse grain 9 has been seted up to the back ring shape of rubber inner circle 4, and the shape of anti-skidding coarse grain 9 sets up to weave network structure, increases the frictional force at the back of rubber inner circle 4, prevents that displacement from appearing in rubber inner circle 4.

Lip 3 is located at the inner side of rubber outer ring 2, and the width of lip 3 is greater than the width of spring ring 72, so that spring ring 72 can be completely wrapped, and spring ring 72 is prevented from falling off from the inside of lip 3.

The thickness of skeleton 1 is greater than the thickness of rubber outer lane 2 and rubber inner circle 4, and the whole bearing strength of reinforcing skeleton 1 prevents that the extrusion deformation from appearing in the skeleton 1 atress, and the diameter of skeleton 1 is the same with the diameter of rubber outer lane 2 and rubber inner circle 4.

The working principle is as follows: during operation, the user is whole with skeleton 1, rubber outer lane 2 and rubber inner circle 4 pads are established between self-operated hydraulic control valve and pipeline, elastic shrinkage fit according to spring coil 72, can carry out the crimple to lip 3, thereby reinforcing rubber outer lane 2's leakproofness, sealed cooperation through sealing washer 71 is followed, can strengthen rubber inner circle 4's sealed effect, the extrusion force that produces between self-operated hydraulic control valve and the pipeline is used to annular fixed block 5 and annular supporting shoe 6 surface, extrusion force forces elasticity microballon 75 to carry out elastic buffer at first dashpot 73 and supports, miniature spring 76 supports at second dashpot 74 internal elastic support, the elastic buffer effect between reinforcing annular fixed block 5 and annular supporting shoe 6, thereby directly strengthen skeleton 1, the sealed buffering effect between rubber outer lane 2 and the rubber inner circle 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed pad for self-operated hydraulic control valve, includes skeleton (1), its characterized in that: the front integrated into one piece of skeleton (1) has rubber outer lane (2), the inner chamber integrated into one piece of rubber outer lane (2) has lip limit (3), the back integrated into one piece of skeleton (1) has rubber inner circle (4), the limbers has been seted up to the inner chamber of skeleton (1), rubber outer lane (2) and rubber inner circle (4), the inner chamber of skeleton (1) is inlayed and is equipped with annular fixed block (5), the inner chamber of rubber outer lane (2) and rubber inner circle (4) all inlays and is equipped with annular supporting shoe (6) that use with annular fixed block (5), skeleton (1), rubber outer lane (2) and rubber inner circle (4) one side in opposite directions are provided with sealed buffer gear (7).

2. The gasket for a self-operated hydraulic control valve according to claim 1, wherein: the sealing buffer mechanism (7) comprises a sealing ring (71), a spring ring (72), a first buffer groove (73), a second buffer groove (74), elastic beads (75) and a miniature spring (76), a groove is annularly formed in the back face of the rubber inner ring (4), and the inner cavity of the groove is bonded with a sealing ring (71), the inner cavity of the lip edge (3) is annularly sleeved with a spring ring (72), the opposite peripheries of the annular fixed block (5) and the annular supporting block (6) are provided with first buffer grooves (73), the opposite peripheries of the annular fixed block (5) and the annular supporting block (6) are provided with second buffer grooves (74), the second buffer groove (74) is positioned at the inner side of the first buffer groove (73), the inner cavity of the first buffer groove (73) is embedded with elastic micro-beads (75), and a miniature spring (76) is vertically embedded in the inner cavity of the second buffer groove (74).

3. The gasket for a self-operated hydraulic control valve according to claim 1, wherein: the anti-skidding rubber outer ring is characterized in that anti-skidding salient points (8) are integrally formed on the periphery of the front surface of the rubber outer ring (2), and the anti-skidding salient points (8) are distributed along the center of the rubber outer ring (2) in a circumferential structure.

4. The gasket for a self-operated hydraulic control valve according to claim 1, wherein: the back of the rubber inner ring (4) is annularly provided with anti-skidding coarse grains (9), and the anti-skidding coarse grains (9) are arranged to be of a woven net structure.

5. The gasket for a self-operated hydraulic control valve according to claim 1, wherein: the lip (3) is positioned on the inner side of the rubber outer ring (2), and the width of the lip (3) is larger than that of the spring ring (72).

6. The gasket for a self-operated hydraulic control valve according to claim 1, wherein: the thickness of skeleton (1) is greater than the thickness of rubber outer lane (2) and rubber inner circle (4), the diameter of skeleton (1) is the same with the diameter of rubber outer lane (2) and rubber inner circle (4).