CN108775415B - Hemisphere ball valve - Google Patents
Hemisphere ball valve Download PDFInfo
- Publication number
- CN108775415B CN108775415B CN201810624723.7A CN201810624723A CN108775415B CN 108775415 B CN108775415 B CN 108775415B CN 201810624723 A CN201810624723 A CN 201810624723A CN 108775415 B CN108775415 B CN 108775415B
- Authority
- CN
- China
- Prior art keywords
- valve
- adjusting
- hemisphere
- rod
- groove
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
Abstract
The invention relates to a hemispheroid ball valve which is characterized in that: the outer circle of the hemisphere is provided with a valve clack which is arranged at the outer circle of the hemisphere through a thread, the valve clack is of a tubular structure, one end of the valve clack is provided with a valve clack sealing surface which can form a seal with a valve seat sealing surface and forms a spherical surface, the upper part of the other end of the valve clack is provided with an adjusting tongue, the end part of the adjusting tongue is provided with an adjusting clamping groove, an upper rotating head is provided with an adjusting nozzle, the adjusting tongue extends into the adjusting nozzle, the inner wall which is matched with the outer circle of the lower end of an upper outer rod is arranged in the upper rotating head, the inner wall is provided with an opening and closing clamping groove which is arranged at one side of the adjusting nozzle, the lower part of the upper outer rod is provided with a vertical straight groove, a blind hole is arranged in the upper outer rod, an upper inner rod is arranged in the blind hole, a reset spring, High safety.
Description
Technical Field
The invention relates to a ball valve, in particular to a hemispheroid ball valve.
Background
Present ball valve mainly includes valve body, disk seat, spheroid and goes up outer pole, and the valve body inner chamber is arranged in to the spheroid, is equipped with in the spheroid can with the communicating runner of valve body inner chamber, and the disk seat is made by non-metallic plastic material, can form sealedly with the spheroid surface, and the spheroid is driven by the valve rod and makes 90 degrees rotary motion around the ball valve axis, is used for fluidic opening and closing with the disk seat cooperation, and its shortcoming lies in: in the opening and closing process of the ball body, the sealing surface of the valve seat and the sealing surface of the ball body generate friction, and the sealing surface of the valve seat is easy to damage, so that the valve is easy to leak, and the service life is short.
Disclosure of Invention
Aiming at the technical defects in the prior art, the invention provides the hemispherical ball valve which has the advantages that the sealing surface of the valve seat and the sealing surface of the ball body do not generate friction, the service life is long, and the safety is high.
The invention is realized by the following technical scheme:
this hemisphere ball valve includes: the valve body, the valve seat, the hemisphere, the packing, the gland, the linking bridge, the upper outer rod, the lower valve rod and the lower end cover, the upper end of the middle part of the valve body is provided with the linking flange and the packing groove, the packing is fixedly arranged at the packing groove by the gland, the linking bridge is arranged at the linking flange by a standard fastener, the hemisphere is arranged in the inner cavity of the valve body, the upper part of the hemisphere is fixedly provided with the upper rotating head, the lower part of the hemisphere is fixedly provided with the lower rotating head, the upper end of the upper outer rod is provided with the key groove connected with an external driving device, the lower end of the upper outer rod passes through the packing groove and extends into the inner cavity of the valve body to be connected with the upper rotating head, the valve seat is made of non-metallic plastic material, the axis of the valve seat is consistent with the horizontal axis of the ball valve, the valve seat is provided with the sealing surface, the terminal surface is connected with lower end cover up end under the lower valve rod, its characterized in that: the outer circle of the hemisphere is provided with a valve clack which is arranged at the outer circle of the hemisphere through a thread, the valve clack is of a tubular structure, one end of the valve clack is provided with a valve clack sealing surface which can form a seal with a valve seat sealing surface and form a spherical surface, the upper part of the other end of the valve clack is provided with an adjusting tongue, the end part of the adjusting tongue is provided with an adjusting clamping groove, an upper rotary head is provided with an adjusting nozzle, the adjusting tongue extends into the adjusting nozzle, the inner part of the upper rotary head is provided with an inner wall matched with the outer circle of the lower end of an upper outer rod, the inner wall is provided with an opening and closing clamping groove, the opening and closing clamping groove is arranged at one side of the adjusting nozzle, the lower part of the upper outer rod is provided with a vertical straight groove, a blind hole is arranged in the upper outer rod, an upper inner rod is arranged in the blind hole, a reset spring is arranged between the lower end surface of the upper inner, the lower end of the lower rotating head is provided with a pin shaft which extends into the limiting groove.
Furthermore, the side surfaces of the adjusting clamping groove and the groove for opening and closing the clamping groove are flat surfaces.
Further, the valve seat material is polytetrafluoroethylene.
Furthermore, the material of the return spring is stainless steel.
The invention has the advantages that: in the process of opening or closing the ball valve, the sealing surface of the valve seat and the sealing surface of the valve clack cannot generate friction, and the ball valve has the advantages of reducing abrasion and prolonging the service life.
Drawings
Fig. 1 is a schematic structural view of a hemispherical ball valve according to the present invention.
Fig. 2 is a cross-sectional view E-E of fig. 1 of a hemispherical ball valve of the present invention.
Detailed Description
As can be seen from fig. 1 and 2, the hemispherical ball valve includes: the ball valve comprises a valve body 1, a valve seat 2, a hemisphere 3, a packing 9, a gland 10, a connecting support 11, an upper outer rod 7, a lower valve rod 4 and a lower end cover 16, wherein the upper end of the middle part of the valve body 1 is provided with a connecting flange and a packing groove, the packing 9 is fixedly arranged at the packing groove by the gland 10, the connecting support 11 is arranged at the connecting flange by a standard fastener, the hemisphere 3 is arranged in the inner cavity of the valve body 1, the upper part of the hemisphere 3 is fixedly provided with an upper rotating head 12, the lower part of the hemisphere 3 is fixedly provided with a lower rotating head 13, the upper end of the upper outer rod 7 is provided with a key groove connected with an external driving device, the lower end of the upper outer rod 7 penetrates through the packing groove to extend into the inner cavity of the valve body 1 to be connected with the upper rotating head 12, the valve seat 2 is made of a non-metal plastic material, the axis of the valve seat, the lower valve rod 4 and the upper outer rod 7 have the same axis, the upper end of the lower valve rod 4 is connected with a lower rotary joint 13, the lower end face of the lower valve rod 4 is connected with the upper end face of a lower end cover 16, a valve clack 6 is arranged at the outer circle of the hemisphere 3, the valve clack 6 is installed at the outer circle of the hemisphere 3 through threads, the valve clack 6 is of a tubular structure, one end of the valve clack 6 is provided with a valve clack sealing face which can form a seal with a valve seat sealing face and form a spherical surface, the upper part of the other end of the valve clack 6 is provided with an adjusting tongue 18, the end part of the adjusting tongue 18 is provided with an adjusting clamping groove 20, the upper rotary joint 12 is provided with an adjusting nozzle 19, the adjusting tongue 18 extends into the adjusting nozzle 19, the inner wall which is matched with the outer circle of the lower end of the upper outer rod 7 is arranged inside the upper rotary joint 12, the opening and closing clamping groove, an upper inner rod 21 is arranged in the blind hole, a return spring 22 is arranged between the lower end face of the upper inner rod 21 and the bottom face of the blind hole, a clamping device 5 is arranged at the lower part of the upper inner rod, the clamping device 5 penetrates through the straight groove and can extend into the adjusting clamping groove 20 or open and close the clamping groove 17, a limiting groove 15 which is 90 degrees in radian and is in a sector arc shape is arranged at the bottom of the inner cavity of the valve body 1, a pin shaft 14 is arranged at the lower end of the lower rotary head 13, and the pin shaft 14 extends.
The side surfaces of the adjusting clamping groove 20 and the opening and closing clamping groove 17 are flat surfaces.
The valve is opened from a closed state, at the moment, the clamping device is positioned in the adjusting clamping groove, the upper outer rod is rotated to drive the upper inner rod and the clamping device to rotate by taking the axis of the upper outer rod as an axis, the clamping device drives the adjusting tongue and the valve clack to rotate by taking the horizontal axis of the valve clack, the sealing surface of the valve clack is separated from the sealing surface of the valve seat, when the adjusting tongue reaches the side edge of the adjusting nozzle, the adjusting tongue and the valve clack stop rotating, at the moment, the upper inner rod is pressed downwards, the clamping device is separated from the adjusting clamping groove, the upper outer rod is continuously rotated to drive the upper inner rod and the clamping device to rotate, when the clamping device reaches the position right below the opening and closing device, the upper inner rod and the clamping device do not press downwards, the upper inner rod and the clamping device move upwards under the action of a reset spring, the clamping device enters the opening and closing device, the upper outer rod is continuously, the hemisphere stops rotating, so that the clamping device and the upper outer rod stop rotating, and the ball valve is opened.
The ball valve can be closed by the reverse operation.
In the process of opening or closing the ball valve, the sealing surface of the valve seat and the sealing surface of the valve clack cannot generate friction, and the ball valve has the advantages of reducing abrasion and prolonging the service life.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A hemispherical ball valve, comprising: the valve body, the valve seat, the hemisphere, the packing, the gland, the linking bridge, the upper outer rod, the lower valve rod and the lower end cover, the upper end of the middle part of the valve body is provided with the linking flange and the packing groove, the packing is fixedly arranged at the packing groove by the gland, the linking bridge is arranged at the linking flange by a standard fastener, the hemisphere is arranged in the inner cavity of the valve body, the upper part of the hemisphere is fixedly provided with the upper rotating head, the lower part of the hemisphere is fixedly provided with the lower rotating head, the upper end of the upper outer rod is provided with the key groove connected with an external driving device, the lower end of the upper outer rod passes through the packing groove and extends into the inner cavity of the valve body to be connected with the upper rotating head, the valve seat is made of non-metallic plastic material, the axis of the valve seat is consistent with the horizontal axis of the ball valve, the valve seat is provided with the sealing surface, the terminal surface is connected with lower end cover up end under the lower valve rod, its characterized in that: the outer circle of the hemisphere is provided with a valve clack which is arranged at the outer circle of the hemisphere through a thread, the valve clack is of a tubular structure, one end of the valve clack is provided with a valve clack sealing surface which can form a seal with a valve seat sealing surface and form a spherical surface, the upper part of the other end of the valve clack is provided with an adjusting tongue, the end part of the adjusting tongue is provided with an adjusting clamping groove, an upper rotary head is provided with an adjusting nozzle, the adjusting tongue extends into the adjusting nozzle, the inner part of the upper rotary head is provided with an inner wall matched with the outer circle of the lower end of an upper outer rod, the inner wall is provided with an opening and closing clamping groove, the opening and closing clamping groove is arranged at one side of the adjusting nozzle, the lower part of the upper outer rod is provided with a vertical straight groove, a blind hole is arranged in the upper outer rod, an upper inner rod is arranged in the blind hole, a reset spring is arranged between the lower end surface of the upper inner, the lower end of the lower rotating head is provided with a pin shaft which extends into the limiting groove.
2. A hemispherical ball valve as claimed in claim 1, wherein: the side surfaces of the adjusting clamping groove and the opening and closing clamping groove are flat surfaces.
3. A hemispherical ball valve as claimed in claim 1, wherein: the valve seat is made of polytetrafluoroethylene.
4. A hemispherical ball valve as claimed in claim 1, wherein: the return spring is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624723.7A CN108775415B (en) | 2018-06-16 | 2018-06-16 | Hemisphere ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810624723.7A CN108775415B (en) | 2018-06-16 | 2018-06-16 | Hemisphere ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775415A CN108775415A (en) | 2018-11-09 |
| CN108775415B true CN108775415B (en) | 2019-12-31 |
Family
ID=64025254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810624723.7A Active CN108775415B (en) | 2018-06-16 | 2018-06-16 | Hemisphere ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108775415B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB891372A (en) * | 1959-01-31 | 1962-03-14 | Neue Argus Gmbh | Improvements in or relating to shut-off cocks with spherical plugs |
| GB1167658A (en) * | 1968-03-14 | 1969-10-22 | Crane Ltd | Improved Fluid Control Valve |
| CN203098931U (en) * | 2013-03-01 | 2013-07-31 | 逯炳武 | Novel abrasion resistance anti-corrosion compensation type half-ball valve |
| CN205663918U (en) * | 2016-06-12 | 2016-10-26 | 自贡飞球特种阀门制造有限公司 | Low eccentric half -ball valve of moment that opens and close |
| CN106763856A (en) * | 2017-02-22 | 2017-05-31 | 李祥庆 | One kind is without abradable seal plug valve |
| CN207093825U (en) * | 2017-04-18 | 2018-03-13 | 宁波凯鑫泵阀制造有限公司 | A kind of flanged ball valve structure |
-
2018
- 2018-06-16 CN CN201810624723.7A patent/CN108775415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB891372A (en) * | 1959-01-31 | 1962-03-14 | Neue Argus Gmbh | Improvements in or relating to shut-off cocks with spherical plugs |
| GB1167658A (en) * | 1968-03-14 | 1969-10-22 | Crane Ltd | Improved Fluid Control Valve |
| CN203098931U (en) * | 2013-03-01 | 2013-07-31 | 逯炳武 | Novel abrasion resistance anti-corrosion compensation type half-ball valve |
| CN205663918U (en) * | 2016-06-12 | 2016-10-26 | 自贡飞球特种阀门制造有限公司 | Low eccentric half -ball valve of moment that opens and close |
| CN106763856A (en) * | 2017-02-22 | 2017-05-31 | 李祥庆 | One kind is without abradable seal plug valve |
| CN207093825U (en) * | 2017-04-18 | 2018-03-13 | 宁波凯鑫泵阀制造有限公司 | A kind of flanged ball valve structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108775415A (en) | 2018-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191204 Address after: 201800, No. 555, Hua Gao Road, Huating Town, Shanghai, Jiading District Applicant after: SHANGHAI HUGONG VALVE FACTORY (Group) Co.,Ltd. Address before: Jin Yuan Lu Yu Gen Cun Yan tou Zhen Yongjia County of Wenzhou City, Zhejiang Province, No. 5 325115 Applicant before: Zhang Xinfeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A hemispherical ball valve Granted publication date: 20191231 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jiading sub branch Pledgor: SHANGHAI HUGONG VALVE FACTORY (Group) Co.,Ltd. Registration number: Y2024310000116 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |