CN205207705U - Disk seat of eccentric butterfly valve - Google Patents

Disk seat of eccentric butterfly valve Download PDF

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Publication number
CN205207705U
CN205207705U CN201521019584.3U CN201521019584U CN205207705U CN 205207705 U CN205207705 U CN 205207705U CN 201521019584 U CN201521019584 U CN 201521019584U CN 205207705 U CN205207705 U CN 205207705U
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CN
China
Prior art keywords
inner ring
outer shroud
spring
valve
butterfly
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Active
Application number
CN201521019584.3U
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Chinese (zh)
Inventor
李燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuanda Valve Group Co., Ltd.
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Chengdu Deshan Technology Co Ltd
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Priority to CN201521019584.3U priority Critical patent/CN205207705U/en
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Abstract

The utility model discloses a disk seat of eccentric butterfly valve, the disk seat includes: spring assembly, sealing washer, the spring assembly includes inner ring, outer loop and a plurality of spring, the interior intra -annular of spring assembly is equipped with the sealing washer, the spring mounting is between inner ring and outer loop, inner ring, outer loop can be crooked at its center line direction, the diameter of outer loop is fixed. The utility model discloses a technique aim at provide one kind make the reliability of butterfly valve higher, opening - and - shutting valve's moment is littleer, sealing performance is more reliable, the longer disk seat of eccentric butterfly valve of life of sealing member, the security that this kind of disk seat of eccentric butterfly valve can improve production, the continuity of production.

Description

A kind of valve seat of eccentric-butterfly-valve
Technical field
The utility model relates to valve field, particularly a kind of valve seat of eccentric-butterfly-valve.
Background technique
In valve field, one of valve widely applied by butterfly valve, and butterfly valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.On pipeline, main rising is cut off and throttling action.Butterfly valve open-shut device is a discoidal butterfly plate, rotates in valve body around the axis of himself, thus reaches the object opening and closing or regulate.Butterfly valve has that structure is simple, volume is little, lightweight, material consumption is economized, installation dimension is little, and switch is rapid, 90 ° of reciprocating rotatings, the features such as driving moment is little, for blocking, connecting, regulate the medium in pipeline, there is good fluid handling properties and close sealability.
Improve constantly along with to the requirement of industrial level, under elevated pressure conditions, requirement amount of leakage is considerably less, even require to reach zero leakage, more and more higher to the working life of butterfly valve also requires, good butterfly valve not only favorable sealing property, and long service life, and the damage of butterfly valve mainly the damage, particularly valve seat of valve plate and valve seat slightly damage and will cause leakage, the reliability and security of butterfly valve is reduced greatly.
Eccentric-butterfly-valve belongs to moment of torsion sealing, and when the switch of valve, usual sealing configuration easily weares and teares, even stuck appearance, causes leakage or other security incident.
Model utility content
For the deficiency existed in above-mentioned technology, technical purpose of the present utility model is to provide a kind of and makes that the reliability of butterfly valve is higher, the moment of opening and closing valve is less, sealability is more reliable, the valve seat of the eccentric-butterfly-valve of the longer service life of Sealing, and the valve seat of this eccentric-butterfly-valve can improve the Security of production, the continuity of production.
The utility model is achieved through the following technical solutions:
A kind of valve seat of eccentric-butterfly-valve, described valve seat comprises: cluster spring, seal ring, described cluster spring comprises inner ring, outer shroud and several springs, seal ring is provided with in the inner ring of described cluster spring, described spring fitting is between inner ring and outer shroud, described inner ring, outer shroud can bend in direction at the center line, and the diameter of described outer shroud is fixed.
In technique scheme, by valve seat is set to cluster spring, seal ring two-part, cluster spring is divided into inner ring, outer shroud and spring, the diameter of outer shroud is constant, outer shroud can bend at its direction of axis line, but can not radially bend at it, this can adapt to the mounting groove of cross section distortion, the seal ring be provided with in inner ring and valve plate are worked in coordination formation sealing surface, the diameter of inner ring can expand to a certain extent or reduce, make when valve plate crush seal circle, seal ring has certain expansion, decrease the friction of valve plate and seal ring, also avoid the stuck of valve plate simultaneously, make valve seat more reliable, extend the physical life of valve seat, add Security.
A kind of valve seat of eccentric-butterfly-valve, the sectional shape of described outer shroud is rectangle, described outer shroud is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, described sections is joined end to end by pin, and the inner ring surface of described outer shroud is provided with several annular duck eyes be evenly arranged.
In technique scheme, outer shroud is set to several sections, makes outside can be bending and can not radial direction bend at its direction of axis line again, keep radial rigidity one to support inner ring, the annular duck eye be provided be used for mounting spring.
A kind of valve seat of eccentric-butterfly-valve, the sectional shape of described inner ring is rectangle, described inner ring is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, the head and the tail joint of described inner ring is provided with contraction mouth, and the inner ring surface of described inner ring is provided with several annular duck eyes be evenly arranged, and the quantity of the annular duck eye be equipped with in described equals the annular duck eye that outer shroud is provided with.
In technique scheme; inner ring is set to the sections that pin connects; make inner ring the same with outer shroud can its direction of axis line bending and can not radial direction bend again; the contraction mouth be provided with can make the diameter of inner ring to become large to a certain extent or to reduce, and to the seal ring be arranged in inner ring buffering capacity, can protect seal ring; under the action of the spring also simultaneously; inner ring, to seal ring pressure, makes inner ring can compression seal circle, forms good sealing.
A kind of valve seat of eccentric-butterfly-valve, described contraction mouth is located at the place that joins end to end of inner ring, the junction surface upper shed rectangular recess of the first sections of described inner ring, the periproct section of described inner ring is set to the cylinder that can inject in rectangular recess, described cylinder can in rectangular recess free-extension.
In technique scheme, the groove that the head and the tail two ends contraction mouth of inner ring being set to inner ring are formed and projection, make inner ring to become large to a certain extent or to reduce.
A valve seat for eccentric-butterfly-valve, on the annular duck eye in described inner ring and outer shroud annular duck eye on be connected with cluster spring, the spring on described spring is compression-type helical spring, and the material of described spring is stainless steel.
In technique scheme, inner ring be connected by helical spring with outer shroud, helical spring is compression-type, make when seal ring is squeezed, helical spring is compressed, and inner ring is expanded, avoid seal ring impaired, helical spring is stainless steel, makes helical spring more durable.
A valve seat for eccentric-butterfly-valve, the seal ring that described inner ring inwall is installed tightly invests on the inwall of inner ring, and the sectional shape of described seal ring is circular, and the material of described seal ring is non-metallic material.
In technique scheme, seal ring is set to non-metallic material, make the distortion that seal ring can be small, avoid impaired, can inner ring be passed to after seal ring is squeezed power, inner ring is expanded, thus alleviate the stressed of seal ring, add the working life of seal ring, reduce the friction of seal ring.
The beneficial effects of the utility model are:
1, by valve seat is set to cluster spring, seal ring two-part, cluster spring is divided into inner ring, outer shroud and spring, outer shroud can bend at its direction of axis line, the mounting groove of cross section distortion is adapted to this, the seal ring be provided with in inner ring and valve plate are worked in coordination formation sealing surface, the diameter of inner ring can expand to a certain extent or reduce, make when valve plate crush seal circle, seal ring has certain expansion, decrease the friction of valve plate and seal ring, also avoid the stuck of valve plate simultaneously, make valve seat more reliable, extend the physical life of valve seat, add Security, the power size simultaneously also making valve plate act on seal ring is variable, directly seal ring is cut off when avoiding valve plate to block, improve the reliability of valve and the Security of production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1 for cluster spring, 1-1 be inner ring, 1-2 is spring, 1-3 be outer shroud, 2 is seal ring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
The valve seat of a kind of eccentric-butterfly-valve as shown in Figure 1, cluster spring 1, inner ring 1-1, spring 1-2, outer shroud 1-3, seal ring 2, described cluster spring 1 comprises inner ring 1-1, outer shroud 1-3 and several springs 1-2, seal ring 2 is provided with in the inner ring 1-1 of described cluster spring 1, described spring 1-2 is arranged between inner ring 1-1 and outer shroud 1-3, described inner ring 1-1, outer shroud 1-3 can bend in direction at the center line, the diameter of described outer shroud 1-3 is fixed, the material of outer shroud 1-3, inner ring 1-1 can be metal or nonmetal, the present embodiment elects 20Cr13 as, and the material of spring 1-2 is stainless steel;
The sectional shape of described outer shroud 1-3 is rectangle, described outer shroud 1-3 is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, described sections is joined end to end by pin, the inner ring surface of described outer shroud 1-3 is provided with several annular duck eyes be evenly arranged, the sectional shape of described inner ring 1-1 is rectangle, described inner ring 1-1 is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, the head and the tail joint of described inner ring 1-1 is provided with contraction mouth, the inner ring surface of described inner ring 1-1 is provided with several annular duck eyes be evenly arranged, the quantity of the annular duck eye that described inner ring 1-1 is provided with equals the annular duck eye that outer shroud 1-3 is provided with, the spring thread of spring 1-2 is through in duck eye, spring is fixedly mounted, arc groove can be provided with on the inner ring surface of inner ring 1-1, make when installing seal ring convenient,
Described contraction mouth is located at the place that joins end to end of inner ring 1-1, the junction surface upper shed rectangular recess of the first sections of described inner ring 1-1, and the periproct section of described inner ring 1-1 is set to the cylinder that can inject in rectangular recess, described cylinder can in rectangular recess free-extension;
Annular duck eye is connected with cluster spring 1 for annular duck eye on described inner ring 1-1 and outer shroud 1-3, and the spring 1-1 on described spring 1 is compression-type helical spring, and the material of described spring 1-1 is stainless steel;
The seal ring 2 that described inner ring 1-1 inwall is installed tightly invests on the inwall of inner ring 1-1, the sectional shape of described seal ring 2 is circular, the material of described seal ring 2 is non-metallic material, the material of seal ring 2 is determined according to the medium of conveying, when the medium carried is normal temperature clear water, most sealed material all can be selected, and this example selects more corrosion-resistant, resistant to elevated temperatures fluorine rubber.

Claims (6)

1. the valve seat of an eccentric-butterfly-valve, it is characterized in that, described valve seat comprises: cluster spring (1), seal ring (2), described cluster spring (1) comprises inner ring (1-1), outer shroud (1-3) and several springs (1-2), seal ring (2) is provided with in the inner ring (1-1) of described cluster spring (1), described spring (1-2) is arranged between inner ring (1-1) and outer shroud (1-3), described inner ring (1-1), outer shroud (1-3) can bend in direction at the center line, and the diameter of described outer shroud (1-3) is fixed.
2. the valve seat of eccentric-butterfly-valve according to claim 1, it is characterized in that, the sectional shape of described outer shroud (1-3) is rectangle, described outer shroud (1-3) is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, and described sections is joined end to end by pin, and the inner ring surface of described outer shroud (1-3) is provided with several annular duck eyes be evenly arranged.
3. the valve seat of eccentric-butterfly-valve according to claim 2, it is characterized in that, the sectional shape of described inner ring (1-1) is rectangle, described inner ring (1-1) is made up of several sections and pin, described sections is provided with column pin hole, described column pin hole is perpendicular to toroidal surface, the head and the tail joint of described inner ring (1-1) is provided with contraction mouth, the inner ring surface of described inner ring (1-1) is provided with several annular duck eyes be evenly arranged, and the quantity of the annular duck eye that described inner ring (1-1) is provided with equals the annular duck eye that outer shroud (1-3) is provided with.
4. the valve seat of eccentric-butterfly-valve according to claim 3, it is characterized in that, described contraction mouth is located at the place that joins end to end of inner ring (1-1), the junction surface upper shed rectangular recess of the first sections of described inner ring (1-1), the periproct section of described inner ring (1-1) is set to the cylinder that can inject in rectangular recess, described cylinder can in rectangular recess free-extension.
5. the valve seat of eccentric-butterfly-valve according to claim 4, it is characterized in that, the upper annular duck eye of annular duck eye in described inner ring (1-1) and outer shroud (1-3) is connected with cluster spring (1), spring (1-1) on described spring (1) is compression-type helical spring, and the material of described spring (1-1) is stainless steel.
6. the valve seat of eccentric-butterfly-valve according to claim 5, it is characterized in that, the seal ring (2) that described inner ring (1-1) inwall is installed tightly invests on the inwall of inner ring (1-1), and the sectional shape of described seal ring (2) is circular, and the material of described seal ring (2) is non-metallic material.
CN201521019584.3U 2015-12-10 2015-12-10 Disk seat of eccentric butterfly valve Active CN205207705U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521019584.3U CN205207705U (en) 2015-12-10 2015-12-10 Disk seat of eccentric butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521019584.3U CN205207705U (en) 2015-12-10 2015-12-10 Disk seat of eccentric butterfly valve

Publications (1)

Publication Number Publication Date
CN205207705U true CN205207705U (en) 2016-05-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521019584.3U Active CN205207705U (en) 2015-12-10 2015-12-10 Disk seat of eccentric butterfly valve

Country Status (1)

Country Link
CN (1) CN205207705U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246937A (en) * 2016-08-23 2016-12-21 成都欧浦特控制阀门有限公司 A kind of durable butterfly valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246937A (en) * 2016-08-23 2016-12-21 成都欧浦特控制阀门有限公司 A kind of durable butterfly valve

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Liang Sufang

Inventor after: Li Yan

Inventor before: Li Yan

CB03 Change of inventor or designer information
TR01 Transfer of patent right

Effective date of registration: 20170515

Address after: 055350 West Village, Longyao County, Hebei, Xingtai

Patentee after: Yuanda Valve Group Co., Ltd.

Address before: 610000 Chengdu City, Wuhou District Province, the South Ring Road, No. two, No. 1, No. 1, floor 31, No. 5

Patentee before: CHENGDU DESHANNENG TECHNOLOGY CO., LTD.

TR01 Transfer of patent right