CN109027287B - Sealing device for valve element of instrument tube - Google Patents
Sealing device for valve element of instrument tube Download PDFInfo
- Publication number
- CN109027287B CN109027287B CN201811257019.9A CN201811257019A CN109027287B CN 109027287 B CN109027287 B CN 109027287B CN 201811257019 A CN201811257019 A CN 201811257019A CN 109027287 B CN109027287 B CN 109027287B
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- China
- Prior art keywords
- sealing
- valve
- sealing device
- bottom end
- sides
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Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a sealing device for a valve element of an instrument pipe, which comprises a valve body, wherein a pipeline is arranged in the middle of the interior of the valve body, the pipeline is horizontally arranged, a valve core is arranged in the middle of the valve body, the valve core is vertically arranged, a handle is arranged at the top end of the valve core, a sealing groove is arranged at the bottom end of the middle of the pipeline, the sealing groove is inverted trapezoid, the handle is connected with the valve core through a connecting rod, a sleeve rod is arranged in the middle of the interior of the valve core, a sliding cavity is arranged in the middle of the interior of the sleeve rod, the bottom of the connecting rod is positioned in the sliding cavity, connecting plates are arranged on two sides of the bottom end of the connecting rod, a clamping block II is arranged at the top end of the connecting plate, a clamping groove II which is matched with the clamping block II is arranged at the top end of the sliding cavity, a magnet is arranged in the clamping groove II, a bearing is arranged at the bottom end of the sleeve rod, jacking blocks are symmetrically arranged on two sides of the bottom of the bearing, and sealing plug columns are arranged on two sides of the bottom of the sleeve rod.
Description
Technical Field
The invention relates to the technical field of sealing devices, in particular to a sealing device for a valve element of an instrument pipe.
Background
The instrument pipe valve means parts, joints, valves and the like of a connecting instrument or a valve on the gas pipeline.
Along with the continuous improvement of the living standard of people, the application of natural gas is more and more extensive, but natural gas belongs to inflammable and explosive gas, no matter the pipeline or the valve element on the natural gas instrument pipe need extremely high leakproofness in the use process of natural gas, along with the development of science and technology, the natural gas valve has developed to a great extent, and the development of the natural gas valve brings great convenience for people when carrying out natural gas valve installation, and the variety and the quantity of the natural gas valve are also increasing day by day. The types and the number of the natural gas valves in the market at present are very large, but the tightness of most natural gas valves is not tight enough, the safety is not high, the application range of the natural gas valves is limited to a great extent, and the natural gas valves are not convenient and flexible to use.
Disclosure of Invention
The technical task of the invention is to provide the sealing device for the valve element of the instrument pipe to solve the problem of poor sealing performance.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a sealing device of instrumentation tube valve member, includes the valve body, the inside middle part of valve body is provided with the pipeline, the pipeline level sets up, the valve body middle part is provided with the case, the vertical setting of case, the case top is provided with the handle, pipeline middle part bottom is provided with the seal groove, the seal groove is trapezoidal, the handle with the case passes through the connecting rod to be connected, the inside middle part of case is provided with the loop bar, the inside middle part of loop bar is provided with the smooth chamber, the connecting rod bottom is located in the smooth intracavity, connecting rod bottom both sides all are provided with the connecting plate, the connecting plate top all is provided with fixture block two, fixture block two tops just is located smooth chamber top be provided with fixture block two draw-in groove two of two looks adaptation, just be provided with magnet in the fixture block two, the loop bar bottom is provided with the bearing, bearing bottom bilateral symmetry is provided with the kicking block, loop bar bottom both sides all are provided with sealed plug, two sealed plug column bottom is connected through reset spring one.
Preferably, the valve body both ends symmetry is provided with the connecting tube spare, be provided with a plurality of and outside pipeline looks joint's helicitic texture on the connecting tube spare, two be provided with the elastic seal circle between the helicitic texture.
Preferably, the bottom end of the valve core is provided with a sealing gasket, and two sides of the bottom end of the valve core are provided with a plurality of sealing rings.
Preferably, a connecting block is arranged in the middle of the bottom end of the bearing, and the connecting block is connected with the two sealing plugs through a second spring.
Preferably, a second reset spring is arranged in the middle of the bottom end of the connecting rod, and the second reset spring is connected with the middle of the bottom end of the sliding cavity.
Preferably, clamping blocks I are symmetrically arranged on two sides of the top end of the loop bar, and clamping grooves I matched with the clamping blocks I are formed in the top end of the clamping blocks I and the bottom end of the handle.
Preferably, grooves are symmetrically formed in two sides of the sealing groove, a first spring is arranged in the grooves, and a sealing block is arranged on one side of the first spring and on one side, close to the valve core.
Preferably, a plurality of movable plates are arranged on one side of the sealing block and far away from one side of the spring, ring grooves matched with the sealing rings are formed on one side of the movable plates and close to one side of the valve core, and one side of the movable plates and far away from one side of the ring grooves are connected with the sealing block through a third spring.
The beneficial effects of the invention are as follows:
(1) The invention has novel design, compact structure, tight connection, strong tightness, convenient operation and high safety;
(2) The invention has the advantages of convenient installation, wide application range, low cost and long service life.
Drawings
FIG. 1 is an overall cross-sectional view of a sealing device for a valve member of an instrumentation tube according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the valve cartridge according to FIG. 1;
FIG. 3 is a cross-sectional view of the loop bar according to FIG. 2;
FIG. 4 is an enlarged view of the connecting tube according to FIG. 1;
fig. 5 is an enlarged view of the groove according to fig. 1.
Wherein: 1. a valve body; 2. a pipe; 3. sealing grooves; 4. a groove; 5. a first spring; 6. a sealing block; 7. a valve core; 8. a handle; 9. a connecting rod; 10. a loop bar; 11. a sliding cavity; 12. a connecting plate; 13. a clamping block II; 14. a clamping groove II; 15. a bearing; 16. a top block; 17. a sealing plug; 18. a first reset spring; 19. a connecting block; 20. a second spring; 21. a sealing gasket; 22. a clamping block I; 23. a clamping groove I; 24. a seal ring; 25. connecting the pipe fittings; 26. a thread structure; 27. a magnet; 28. a second reset spring; 29. a movable plate; 30. a ring groove; 31. a third spring; 32. and an elastic sealing ring.
Detailed Description
In order that the invention may be more readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1-3, a sealing device for a valve member of an instrument pipe according to an embodiment of the present invention includes a valve body 1, a pipe 2 is disposed in the middle of the interior of the valve body 1, the pipe 2 is disposed horizontally, a valve core 7 is disposed in the middle of the valve body 1, the valve core 7 is disposed vertically, a handle 8 is disposed at the top end of the valve core 7, a sealing groove 3 is disposed at the bottom end of the middle of the pipe 2, the sealing groove 3 is in an inverted trapezoid shape, the handle 8 is connected with the valve core 7 through a connecting rod 9, a sleeve rod 10 is disposed at the middle of the interior of the valve core 7, a sliding cavity 11 is disposed at the middle of the interior of the sleeve rod 10, the bottom of the connecting rod 9 is located in the sliding cavity 11, connecting plates 12 are disposed at both sides of the bottom end of the connecting rod 9, two clamping blocks 13 are disposed at the top ends of the connecting plates 12, two clamping grooves 14 adapted to the two clamping blocks 13 are disposed at the top ends of the sliding cavity 11, a magnet 27 is disposed in the two clamping grooves 14, bearings 15 are disposed at the bottom ends of the sleeve rod 10, two top ends of the bearing 15 are disposed at two sides of the bottom ends of the valve core 7, two sides of the sleeve rod 10 are symmetrically disposed at the bottom ends of the sleeve rod 10, and two sides of the piston 17 are connected with two ends 17 through a sealing post 17.
In addition, valve body 1 both ends symmetry is provided with connecting tube 25, be provided with a plurality of helicitic texture 26 with outside pipeline looks joint on the connecting tube 25, two be provided with elastic sealing washer 32 between the helicitic texture, case 7 bottom is provided with sealed pad 21, case 7 bottom both sides are provided with a plurality of sealing rings 24, bearing 15 bottom middle part is provided with connecting block 19, connecting block 19 pass through two 20 and two sealing plug 17 are connected, connecting rod 9 bottom middle part is provided with reset spring two 28, just reset spring two 28 bottom is connected slide cavity 11 bottom middle part, loop bar 10 top bilateral symmetry is provided with fixture block one 22, fixture block one 22 top just is located handle 8 bottom be provided with fixture block one 22 looks adaptation draw-in groove one 23, seal groove 3 bilateral symmetry is provided with recess 4, be provided with spring one 5 in the recess 4, spring one 5 one side just is close to case 7 one side is provided with sealing block 6, sealing block 6 one side just is kept away from spring one side is provided with movable plate 29 and is kept away from one side of the movable plate 29 and is provided with three ring groove 6 side is connected with one side 30 through three annular groove 29.
The specific working flow is as follows: when the valve body 1 needs to be closed, the handle 8 is pressed down until the clamping block I22 is sunk into the clamping groove I23, then the handle 8 is rotated clockwise, the valve core 7 moves downwards, the bottom of the valve core 7 is contacted with the sealing block 6 slowly, then the sealing block 6 is extruded into the groove, finally the sealing gasket 21 is tightly contacted with the bottom end of the sealing groove 3, then the handle 8 is pulled upwards, at the moment, the connecting rod 9 extends out of the loop bar 10 until the clamping block II 13 is sunk into the clamping groove II 14, the clamping block II 13 is made of iron material, the magnet 27 is used for sucking the clamping block II 13, then the handle 8 is rotated clockwise, at the moment, the loop bar 10 moves downwards until the jacking block 16 is used for jacking the sealing plug 17 and plugging the pipeline 2, when the valve body 1 needs to be opened, the sealing plug 17 is firstly retracted through the handle 8, and then the valve core 7 is rotated anticlockwise through the handle 8.
In summary, by means of the technical scheme, the novel high-pressure sealing device is novel in design, compact in structure, tight in connection, high in sealing performance, convenient to operate, high in safety, convenient to install, wide in application range, low in cost and long in service life.
In addition to the above embodiments, the present invention may have other embodiments; all technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (8)
1. The utility model provides a sealing device of instrument pipe valve member, its characterized in that, including valve body (1), valve body (1) inside middle part is provided with pipeline (2), pipeline (2) level sets up, valve body (1) middle part is provided with case (7), case (7) vertical setting, case (7) top is provided with handle (8), pipeline (2) middle part bottom is provided with seal groove (3), seal groove (3) are trapezoidal, handle (8) with case (7) are connected through connecting rod (9), case (7) inside middle part is provided with loop bar (10), loop bar (10) inside middle part is provided with smooth chamber (11), connecting rod (9) bottom is located smooth chamber (11), connecting rod (9) bottom both sides all are provided with connecting plate (12), connecting plate (12) top all is provided with fixture block two (13), fixture block two (13) top just be located smooth chamber (11) top be provided with fixture block two (13) looks draw-in groove (14), and two sides (14) are provided with magnet (15) in the bearing (15) are provided with in the loop bar (15), both sides of the bottom of the loop bar (10) are provided with sealing plugs (17), and the bottom ends of the two sealing plugs (17) are connected through a first return spring (18).
2. The sealing device of the instrumentation tube valve according to claim 1, wherein connecting pipe fittings (25) are symmetrically arranged at two ends of the valve body (1), a plurality of thread structures (26) which are clamped with an external pipeline are arranged on the connecting pipe fittings (25), and an elastic sealing ring (32) is arranged between the two thread structures.
3. The sealing device of the valve element of the instrumentation tube according to claim 1, wherein a sealing gasket (21) is arranged at the bottom end of the valve element (7), and a plurality of sealing rings (24) are arranged at two sides of the bottom end of the valve element (7).
4. A sealing device for a valve member of an instrumentation tube according to claim 1, wherein a connecting block (19) is provided in the middle of the bottom end of the bearing (15), and the connecting block (19) is connected to two of the sealing plugs (17) by means of a second spring (20).
5. The sealing device of the valve element of the instrumentation tube according to claim 1, wherein a second return spring (28) is arranged in the middle of the bottom end of the connecting rod (9), and the bottom end of the second return spring (28) is connected with the middle of the bottom end of the sliding cavity (11).
6. The sealing device of an instrument tube valve according to claim 1, wherein clamping blocks I (22) are symmetrically arranged on two sides of the top end of the sleeve rod (10), and clamping grooves I (23) matched with the clamping blocks I (22) are formed in the top end of the clamping blocks I (22) and positioned at the bottom end of the handle (8).
7. The sealing device of the instrumentation tube valve according to claim 1, wherein grooves (4) are symmetrically arranged on two sides of the sealing groove (3), a first spring (5) is arranged in the grooves (4), and a sealing block (6) is arranged on one side of the first spring (5) and on one side close to the valve core (7).
8. The sealing device of an instrument tube valve according to claim 7, characterized in that a plurality of movable plates (29) are arranged on one side of the sealing block (6) and on the side far from the first spring (5), a ring groove (30) matched with the sealing ring (24) is arranged on one side of the movable plates (29) and on the side close to the valve core (7), and one side of the movable plates (29) and on the side far from the ring groove (30) are connected with the sealing block (6) through a third spring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257019.9A CN109027287B (en) | 2018-10-26 | 2018-10-26 | Sealing device for valve element of instrument tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257019.9A CN109027287B (en) | 2018-10-26 | 2018-10-26 | Sealing device for valve element of instrument tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027287A CN109027287A (en) | 2018-12-18 |
| CN109027287B true CN109027287B (en) | 2023-08-22 |
Family
ID=64614029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257019.9A Active CN109027287B (en) | 2018-10-26 | 2018-10-26 | Sealing device for valve element of instrument tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027287B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838525A (en) * | 1971-09-20 | 1973-06-06 | ||
| CN1508463A (en) * | 2002-12-19 | 2004-06-30 | 钊洪智 | Expansion sluice valve |
| KR20070029558A (en) * | 2005-09-09 | 2007-03-14 | 배트 홀딩 아게 | Valve for essentially gastight closing of a flow path |
| CN206738610U (en) * | 2017-05-23 | 2017-12-12 | 黄关颖 | A kind of valve handwheel of convenient dismounting |
| CN108662181A (en) * | 2018-07-14 | 2018-10-16 | 温州市欧睿阀门有限公司 | A kind of gate valve of installation easy to disassemble |
-
2018
- 2018-10-26 CN CN201811257019.9A patent/CN109027287B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838525A (en) * | 1971-09-20 | 1973-06-06 | ||
| CN1508463A (en) * | 2002-12-19 | 2004-06-30 | 钊洪智 | Expansion sluice valve |
| KR20070029558A (en) * | 2005-09-09 | 2007-03-14 | 배트 홀딩 아게 | Valve for essentially gastight closing of a flow path |
| CN206738610U (en) * | 2017-05-23 | 2017-12-12 | 黄关颖 | A kind of valve handwheel of convenient dismounting |
| CN108662181A (en) * | 2018-07-14 | 2018-10-16 | 温州市欧睿阀门有限公司 | A kind of gate valve of installation easy to disassemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027287A (en) | 2018-12-18 |
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