CN207378194U - High-pressure-bearing ball valve - Google Patents

High-pressure-bearing ball valve Download PDF

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Publication number
CN207378194U
CN207378194U CN201721416289.0U CN201721416289U CN207378194U CN 207378194 U CN207378194 U CN 207378194U CN 201721416289 U CN201721416289 U CN 201721416289U CN 207378194 U CN207378194 U CN 207378194U
Authority
CN
China
Prior art keywords
sealing
sphere
valve body
fixed frame
sealing strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721416289.0U
Other languages
Chinese (zh)
Inventor
吴炎山
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.)
Tianjin Zhongfa Technology Co ltd
Original Assignee
Tianjin Sino Valve Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Sino Valve Technology Co ltd filed Critical Tianjin Sino Valve Technology Co ltd
Priority to CN201721416289.0U priority Critical patent/CN207378194U/en
Application granted granted Critical
Publication of CN207378194U publication Critical patent/CN207378194U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a high pressure-bearing ball valve belongs to the valve field, including valve body and spheroid, be equipped with sealed mount between valve body and the spheroid, the quantity of sealed mount is two and to battle the array distribution in spheroidal both sides, every sealed mount is sealed two angles of spheroid left and right sides wherein one side, sealed mount is close to spheroidal one end and is equipped with the fixed slot, be equipped with first sealing strip in the fixed slot, first sealing strip sets up with the spheroid contact, the upper end of sealed mount is equipped with the second sealing strip, the second sealing strip sets up with the valve body contact, the right side of sealed mount upper end is equipped with the breach, be equipped with the tight spring in top between the vertical face of breach and the valve body, contact setting between the horizontal plane of breach and the valve body and be equipped with the. The utility model discloses it is sealed effectual, can bear the high pressure after setting up sealed mount.

Description

A kind of high pressure-bearing ball valve
Technical field
The utility model belongs to valve field, is related to a kind of high pressure-bearing ball valve.
Background technology
Ball valve is widely used in petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel The industries such as iron occupy very important status in national economy.It has the action being rotated by 90 °, and faucet body is sphere, is had By its axis, ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline for circular through hole or passage, It only needs just be closed with the operation being rotated by 90 ° and the rotating torque of very little tight.
In conventional structure, the leakproofness of ball valve is preferable, but sphere bears the load of working media and has all been transmitted to outlet Sealing ring, therefore to consider that can sealing ring material withstand the service load of sphere medium, it is impacted being subject to elevated pressures When, sphere may shift.
Utility model content
Problem to be solved in the utility model is to be to provide a kind of bearing capacity high ball valve, and under high pressure, sphere is not It can shift, the lower performance of long-term operating is more stablized.
In order to solve the above technical problems, the technical solution adopted in the utility model is:A kind of high pressure-bearing ball valve, including valve body And sphere, sealing fixed frame is equipped between the valve body and the sphere, the quantity of the sealing fixed frame for two and is poised for battle The both sides of the sphere are distributed in, each sealing fixed frame carries out two angles of the sphere left and right sides wherein one side close Envelope, the sealing fixed frame are equipped with fixing groove close to one end of the sphere, and the first sealing strip is equipped in the fixing groove, described First sealing strip contacts setting with the sphere, and the upper end of the sealing fixed frame is equipped with the second sealing strip, second sealing Item and the valve body contact are set, and the right side of the sealing fixed frame upper end is equipped with notch, the vertical plane of the notch with it is described It is equipped between valve body and holds out against spring, setting is contacted between the horizontal plane of the notch and the valve body and be equipped with sealing therebetween Circle.
Further, the shape of the fixing groove is located at for flat-top house shape and top close to one end of the sphere, institute It is identical with the shape of the fixing groove to state the first sealing strip, the first sealing strip both sides intersection is circular sliding slopes.
Further, the valve body is equipped with and suppresses instrument connection, the sealing fixed frame be equipped with suppress test pipeline and It is connected with the inside of the sphere and the instrument connection of suppressing, the quantity of the sealing ring is two and is symmetrically distributed in described beat Press the both ends of instrument connection.
Further, the valve body is equipped with location hole, and the spring that holds out against is located in the location hole, described to hold out against bullet Spring is in pre-pressing state perpendicular to the sealing fixed mount setting, the spring that holds out against.
Further, the outer ring for holding out against spring is equipped with nitriding layer.
Compared with prior art, the utility model has the advantages and positive effects of:1st, the utility model first seals The setting of item, the second sealing strip and sealing ring realizes the sealing in three directions, and sealing effect is good, is conducive to bear high pressure shape State, the setting for holding out against spring advantageously ensure that sealing fixed frame is fitted closely to sphere direction;2nd, the first sealing strip both sides are intersected Place is circular sliding slopes, and circular sliding slopes can ensure the first sealing strip with having certain gap after fixing groove cooperation, extruding when It waits, the first sealing strip has certain extrusion expansion space, it is ensured that is sufficiently bonded with sphere, ensures the leakproofness of height;3、 The quantity of sealing ring is two and is symmetrically distributed in the both ends for suppressing instrument connection, is arranged on the sealing that both sides can effectively ensure that both sides Property, further lift-off seal performance, and then promote load performance;4th, using the structure of location hole, the positioning of spring is conveniently held out against.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The schematic description and description of type does not form the improper restriction to the utility model for explaining the utility model. In attached drawing:
Fig. 1 is a kind of schematic layout pattern of high pressure-bearing ball valve of the utility model;
Fig. 2 is a kind of structure diagram of high pressure-bearing ball valve of the utility model.
Reference numeral:
1- spheres;2- seals fixed frame;21- locating slots;22- suppresses test pipeline;3- valve bodies;31- suppresses instrument connection; 32- location holes;The second sealing strips of 4-;5- holds out against spring;The first sealing strips of 6-;7- sealing rings.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection;Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the utility model.
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the utility model.
As depicted in figs. 1 and 2, the utility model is a kind of high pressure-bearing ball valve, including valve body 3 and sphere 1, valve body 3 and ball Sealing fixed frame 2 is equipped between body 1, the quantity of sealing fixed frame 2 is two and is poised for battle the both sides for being distributed in sphere 1, Mei Gemi Envelope fixed frame 2 is sealed two angles of 1 left and right sides of sphere wherein one side, and the fixation framework at each angle is identical, wherein one jiao Fixed structure be equipped with fixing groove 21 close to one end of sphere 1 for sealing fixed frame 2, the first sealing strip 6 is equipped in fixing groove 21, First sealing strip 6 contacts setting with sphere 1, and the upper end of sealing fixed frame 2 is equipped with the second sealing strip 4, the second sealing strip 4 and valve body 3 contacts are set, and the right side of 2 upper end of sealing fixed frame is equipped with notch, are equipped between the vertical plane of notch and valve body 3 and are held out against spring 5, Setting is contacted between the horizontal plane of notch and valve body 3 and is equipped with sealing ring 7, the first sealing strip 6, the second sealing strip 4 therebetween Setting with sealing ring 7 realizes the sealing in three directions, and sealing effect is good, is conducive to bear high pressure conditions, holds out against spring 5 Setting advantageously ensures that sealing fixed frame 2 is fitted closely to 1 direction of sphere.
Preferably, the shape of fixing groove 21 is located at for flat-top house shape and top close to one end of sphere 1, the first sealing strip 6 is identical with the shape of fixing groove 21, and 6 both sides intersection of the first sealing strip is circular sliding slopes, and circular sliding slopes can ensure that first is close Strip of paper used for sealing 6 has certain gap after coordinating with fixing groove 21, and when squeezing, the first sealing strip 6 has certain extrusion expansion sky Between, it is ensured that it is sufficiently bonded with sphere 1, ensures the leakproofness of height.
Preferably, valve body 3, which is equipped with, suppresses instrument connection 31, and sealing fixed frame 2, which is equipped with, suppresses test pipeline 22 and and ball The inside of body 1 is connected with instrument connection 31 is suppressed, and the quantity of sealing ring 7 is two and is symmetrically distributed in and suppresses the two of instrument connection 31 End is arranged on the leakproofness that both sides can effectively ensure that both sides, further lift-off seal performance, and then promotes load performance.
Preferably, valve body 3 is equipped with location hole 32, holds out against spring 5 and is located in location hole 32, holds out against spring 5 perpendicular to close Envelope fixed frame 2 is set, and is held out against spring 5 and is in pre-pressing state, using the structure of location hole 32, conveniently holds out against the positioning of spring 5; It is highly preferred that the outer ring for holding out against spring 5 is equipped with nitriding layer, the performance for holding out against spring 5 is promoted, extends the use longevity for holding out against spring 5 Life.
During valve is run, sealing fixed frame 2 is under the action of spring 5 is held out against, it is ensured that the first sealing strip 6 is tight It is tightly fitted on sphere 1, ensures the leakproofness at 1 foursquare arc of sphere, the setting of second seal can ensure to seal fixed frame 2 With the sealing between valve body 3, the setting of sealing ring 7 ensure that valve body 3 suppresses the sealing at test mouth both ends with sealing fixed frame 2 Property, the leakproofness of height ensure that the ball valve of this structure can bear higher pressure, and in long-term operation process, stability is more preferable.
One embodiment of the utility model is described in detail above, but the content is only the utility model Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.

Claims (5)

1. a kind of high pressure-bearing ball valve, it is characterised in that:Including valve body and sphere, sealing is equipped between the valve body and the sphere Fixed frame, the quantity of the sealing fixed frame for two and are poised for battle the both sides for being distributed in the sphere, and each sealing is fixed Frame is sealed two angles of the sphere left and right sides wherein one side, and the sealing fixed frame is set close to one end of the sphere There is fixing groove, be equipped with the first sealing strip in the fixing groove, first sealing strip contacts setting, the sealing with the sphere The upper end of fixed frame is equipped with the second sealing strip, and second sealing strip is set with the valve body contact, on the sealing fixed frame The right side at end is equipped with notch, is equipped between the vertical plane of the notch and the valve body and holds out against spring, the horizontal plane of the notch Setting is contacted between the valve body and is equipped with sealing ring therebetween.
2. a kind of high pressure-bearing ball valve according to claim 1, it is characterised in that:The shape of the fixing groove is flat-top house Shape and top are located at close to one end of the sphere, and first sealing strip is identical with the shape of the fixing groove, and described first Sealing strip both sides intersection is circular sliding slopes.
3. a kind of high pressure-bearing ball valve according to claim 1, it is characterised in that:The valve body is equipped with and suppresses instrument connection, The sealing fixed frame, which is equipped with, to be suppressed test pipeline and is connected with the inside of the sphere and the instrument connection of suppressing, described close The quantity of seal is two and is symmetrically distributed in the both ends for suppressing instrument connection.
4. a kind of high pressure-bearing ball valve according to claim 1, it is characterised in that:The valve body is equipped with location hole, described It holds out against spring to be located in the location hole, the spring that holds out against is described to hold out against at spring perpendicular to the sealing fixed mount setting In pre-pressing state.
5. a kind of high pressure-bearing ball valve according to claim 1, it is characterised in that:The outer ring for holding out against spring is equipped with nitriding Layer.
CN201721416289.0U 2017-10-30 2017-10-30 High-pressure-bearing ball valve Expired - Fee Related CN207378194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721416289.0U CN207378194U (en) 2017-10-30 2017-10-30 High-pressure-bearing ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721416289.0U CN207378194U (en) 2017-10-30 2017-10-30 High-pressure-bearing ball valve

Publications (1)

Publication Number Publication Date
CN207378194U true CN207378194U (en) 2018-05-18

Family

ID=62336933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721416289.0U Expired - Fee Related CN207378194U (en) 2017-10-30 2017-10-30 High-pressure-bearing ball valve

Country Status (1)

Country Link
CN (1) CN207378194U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 301802 Nine Park Industrial Park, Baodi Economic Development Zone, Baodi District, Tianjin (No. 4, Area C)

Patentee after: TIANJIN ZHONGFA TECHNOLOGY Co.,Ltd.

Address before: 301802 Nine Park Industrial Park, Baodi Economic Development Zone, Baodi District, Tianjin (No. 4, Area C)

Patentee before: TIANJIN SINO-VALVE TECHNOLOGY CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180518