CN209800781U - High-pressure ball valve - Google Patents
High-pressure ball valve Download PDFInfo
- Publication number
- CN209800781U CN209800781U CN201920725455.8U CN201920725455U CN209800781U CN 209800781 U CN209800781 U CN 209800781U CN 201920725455 U CN201920725455 U CN 201920725455U CN 209800781 U CN209800781 U CN 209800781U
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- gland
- valve body
- rod
- valve
- valve rod
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- Expired - Fee Related
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Abstract
The utility model discloses a high-pressure ball valve, its technical scheme main points are including left valve body, right valve body, spheroid, valve rod and disk seat, and right valve body top is provided with the operating means with valve rod looks adaptation, the valve rod interlude sets up on right valve body, and it has packing to fill between valve rod and the right valve body, and the packing top is equipped with the gland of cover on arranging the valve rod in, and the gland lower extreme is provided with the gland arch rather than the integral type, is equipped with the gland axle sleeve of cover on arranging the valve rod in on the gland, and the bellied lower extreme of gland supports with the packing upper end and presses, and gland is through setting up elastic connection structure and right valve body interconnect, and connection structure sets up the connecting rod on gland including the interlude, and connecting rod upper portion cover is equipped with the. The utility model has the advantages of simple structure, good sealing performance, in-place action, safety, reliability and high control precision.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to high-pressure ball valve.
Background
The high-pressure ball valve is used for hydraulic switch natural gas of hydraulic mechanical equipment and the like, is appeared in the 50 th century of 20 th century, is rapidly developed into a main valve class in short 40 years along with rapid development of scientific technology and continuous improvement of production process and product structure, is appeared in the 50 th century, and is rapidly developed into a main valve class in short 40 years along with rapid development of scientific technology and continuous improvement of production process and product structure. In the countries with developed industry in western countries, the use of high-pressure ball valves is increasing year by year, in China, ball valves are widely applied in the industries of petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and play a significant role in national economy, and the high-pressure ball valves are mainly used for cutting off or connecting media in pipelines and can also be used for regulating and controlling fluid. The valve of this type should be generally installed horizontally in the pipeline.
The problem that the existing high-pressure ball valve is poor in sealing performance exists, the joint of the valve body and the valve rod is sealed through the sealing filler, however, the sealing filler can be continuously abraded to generate a gap along with long-time up-and-down sliding of the valve rod, and then medium leakage is easy to occur. Meanwhile, the high-pressure ball valve is easy to operate incompletely when being opened or closed, so that the valve is not in a completely opened or completely closed state, and the control precision of the valve is reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a high-pressure ball valve has simple structure, and the leakproofness is good, and the action targets in place, safe and reliable and the high effect of control accuracy.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high-pressure ball valve, including left valve body, right valve body, spheroid, valve rod and disk seat, right valve body top is provided with the operating means with valve rod looks adaptation, the valve rod interlude sets up on right valve body, and it has the gland to fill between valve rod and the right valve body, the gland top is equipped with the gland of cover on arranging the valve rod in, the gland lower extreme is provided with rather than the gland arch of integral type, the gland axle sleeve on the valve rod is arranged in to the last cover that is equipped with of gland, the bellied lower extreme of gland supports with the gland upper end and presses, gland is through setting up elastic connection structure and right valve body interconnect, connection structure sets up the connecting rod on gland including the interlude, connecting rod upper portion cover is equipped with the.
Through adopting above-mentioned technical scheme, the packing gland passes through elastic connection structure and moves extrusion sealing packing downwards after wearing and tearing between valve rod and the right valve body, guarantees the sealing performance between valve rod and the right valve body, and the gland axle sleeve is convenient for the packing gland and moves on the valve rod.
The utility model discloses further set up to: the upper portion of the valve rod is provided with two first bulges matched with the operating device, an included angle between the two first bulges is set to be 90 degrees, and the lower end of the operating device is fixedly provided with a second bulge positioned between the two first bulges.
Through adopting above-mentioned technical scheme, the second arch is located between two first archs and the contained angle between two first archs sets up to 90 degrees and can avoid the valve rod to drive the action when spheroid rotates not in place.
The utility model discloses further set up to: the connecting rod is set to be a connecting bolt, the lower end of the connecting rod is fixedly connected with the right valve body in a bolt mode, and the head of the connecting rod is connected with the upper end of the connecting spring in a pressing mode.
Through adopting above-mentioned technical scheme, the connecting rod makes the back that seals the filler wearing and tearing through the head of connecting rod and connecting spring's cooperation, and gland can move down and make valve rod and right valve body junction keep the encapsulated situation.
the utility model discloses further set up to: the connecting rod sets up to connecting screw, the lower extreme of connecting rod through set up round pin axle with right valve body is articulated each other and is connected, the upper end cover of connecting rod be equipped with rather than threaded connection's coupling nut, coupling nut with coupling spring's upper end supports to press each other to be connected.
Through adopting above-mentioned technical scheme, the connecting rod makes the back that the packing abraded through coupling nut and coupling spring's cooperation, and gland can move down and make valve rod and right valve body junction keep the encapsulated situation.
The utility model discloses further set up to: the lower end of the connecting spring is connected with the packing gland in a propping and pressing mode through a spring gasket, and the connecting spring is set to be a compression spring.
Through adopting above-mentioned technical scheme, connecting spring passes through the spring shim and extrudes the removal downwards with gland.
The utility model discloses further set up to: the lower end of the valve rod is further provided with a thrust bulge matched with the right valve body, the thrust bulge is arranged in a circular structure and is arranged in an integrated structure with the valve rod, and a thrust gasket is clamped between the thrust bulge and the right valve body.
Through adopting above-mentioned technical scheme, the thrust is protruding to prevent that the valve rod from breaking away from the right valve body after long-time the use, avoids influencing the normal use of valve rod, and the thrust gasket can reduce the wearing and tearing between thrust arch and the right valve body, prolongs the life of valve rod.
The utility model discloses further set up to: and the surfaces of the valve seat and the ball body are plated with the adaptive wear-resistant metal coatings.
By adopting the technical scheme, the wear-resistant metal coating is plated to reduce the wear of the valve seat and the ball body in long-term use and prolong the service life.
To sum up, the utility model discloses following beneficial effect has:
1. By means of the elastic connecting structure, after the sealing packing between the valve rod and the right valve body is abraded, the packing gland can move downwards under the action of the connecting spring and extrude the sealing packing, and the sealing performance between the valve rod and the right valve body is guaranteed;
2. The second protrusion is located between the two first protrusions, and the included angle between the two first protrusions is set to be 90 degrees, so that the situation that the valve rod does not move in place when the valve rod drives the ball body to rotate can be avoided, and the situation that the valve is not completely opened or closed is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1. a left valve body; 2. a right valve body; 3. a sphere; 4. a valve stem; 5. a valve seat; 6. an operating device; 7. sealing and filling; 8. a packing gland; 9. the gland is raised; 10. a gland bush; 11. a connecting structure; 12. a connecting rod; 13. a connecting spring; 14. a first protrusion; 15. a second protrusion; 16. a head portion; 17. a spring washer; 18. a thrust boss; 19. a thrust washer; 20. a wear-resistant metal coating; 21. a pin shaft; 22. and connecting a nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
First embodiment, this embodiment discloses a high-pressure ball valve, as shown in fig. 1 to 2, comprising a left valve body 1, a right valve body 2, a ball body 3, a valve rod 4 and a valve seat 5, wherein an operating device 6 adapted to the valve rod 4 is arranged above the right valve body 2, the valve rod 4 is inserted into the right valve body 2, a sealing packing 7 is filled between the valve rod 4 and the right valve body 2, a packing gland 8 sleeved on the valve rod 4 is arranged above the sealing packing 7, a gland bulge 9 integrated with the packing gland 8 is arranged at the lower end of the packing gland 8, a gland shaft sleeve 10 sleeved on the valve rod 4 is arranged on the packing gland 8, the lower end of the gland bulge 9 is abutted against the upper end of the sealing packing 7, the packing gland 8 is connected with the right valve body 2 through an elastic connecting structure 11, the connecting structure 11 comprises a connecting rod 12 inserted and arranged on the packing gland 8, and a connecting spring 13 matched with the connecting rod 12 is sleeved at the upper part of the connecting rod 12; after the sealing packing 7 between the valve rod 4 and the right valve body 2 is abraded, the packing gland 8 moves downwards through the elastic connecting structure 11 to extrude the sealing packing 7, the sealing performance between the valve rod 4 and the right valve body 2 is guaranteed, and the gland shaft sleeve 10 facilitates the movement of the packing gland 8 on the valve rod 4.
Two first bulges 14 matched with the operating device 6 are arranged at the upper part of the valve rod 4, the included angle between the two first bulges 14 is set to be 90 degrees, and a second bulge 15 positioned between the two first bulges 14 is fixedly arranged at the lower end of the operating device 6; the second protrusion 15 is located between the two first protrusions 14, and an included angle between the two first protrusions 14 is set to 90 degrees, so that the situation that the valve rod 4 does not move in place when driving the ball 3 to rotate can be avoided.
The connecting rod 12 is arranged as a connecting bolt, the lower end of the connecting rod 12 is fixedly connected with the right valve body 2 in a bolt mode, and the head 16 of the connecting rod 12 is connected with the upper end of the connecting spring 13 in a pressing mode; after the connecting rod 12 causes the sealing packing 7 to be worn through the matching of the head 16 of the connecting rod 12 and the connecting spring 13, the packing gland 8 can move downwards to enable the joint of the valve rod 4 and the right valve body 2 to keep a sealing state.
the lower end of the connecting spring 13 is in abutting connection with the packing gland 8 through a spring gasket 17, and the connecting spring 13 is a compression spring; the connecting spring 13 presses the packing gland 8 downward by the spring washer 17.
The lower end of the valve rod 4 is also provided with a thrust boss 18 matched with the right valve body 2, the thrust boss 18 is arranged in a circular structure and is integrated with the valve rod 4, and a thrust gasket 19 is clamped between the thrust boss 18 and the right valve body 2; the thrust boss 18 prevents the valve rod 4 from separating from the right valve body 2 after being used for a long time, the normal use of the valve rod 4 is avoided being influenced, the thrust gasket 19 can reduce the abrasion between the thrust boss 18 and the right valve body 2, and the service life of the valve rod 4 is prolonged.
The surfaces of the valve seat 5 and the ball body 3 are plated with the adaptive wear-resistant metal coating 20; the wear-resistant metal coating 20 is plated to reduce the abrasion of the valve seat 5 and the ball body 3 in long-term use and prolong the service life.
The second embodiment is different from the first embodiment in that, as shown in fig. 3, the connecting rod 12 is configured as a connecting screw, the lower end of the connecting rod 12 is hinged to the right valve body 2 by a pin 21, a connecting nut 22 in threaded connection with the connecting rod 12 is sleeved on the upper end of the connecting rod 12, and the connecting nut 22 is in abutting connection with the upper end of the connecting spring 13; after the connecting rod 12 enables the sealing packing 7 to be worn through the matching of the connecting nut 22 and the connecting spring 13, the packing gland 8 can move downwards to enable the joint of the valve rod 4 and the right valve body 2 to keep a sealing state.
To sum up, the utility model discloses following beneficial effect has:
1. by means of the elastic connecting structure 11, after the sealing packing 7 between the valve rod 4 and the right valve body 2 is abraded, the packing gland 8 can move downwards under the action of the connecting spring 13 and extrude the sealing packing 7, and the sealing performance between the valve rod 4 and the right valve body 2 is guaranteed;
2. The second protrusion 15 is located between the two first protrusions 14, and the included angle between the two first protrusions 14 is set to be 90 degrees, so that the situation that the valve rod 4 does not move in place when driving the ball 3 to rotate can be avoided, and the situation that the valve is not completely opened or closed is avoided.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. the utility model provides a high-pressure ball valve, is provided with operating means (6) with valve rod (4) looks adaptation, its characterized in that including left valve body (1), right valve body (2), spheroid (3), valve rod (4) and disk seat (5) right valve body (2) top: valve rod (4) alternate and set up on right valve body (2), and it has sealing filler (7) to fill between valve rod (4) and right valve body (2), sealing filler (7) top is equipped with gland (8) of cover on arranging valve rod (4) in, gland (8) lower extreme is provided with rather than the gland arch (9) of integral type, be equipped with gland axle sleeve (10) of cover on arranging valve rod (4) in on gland (8), the lower extreme of gland arch (9) supports with sealing filler (7) upper end and presses, gland (8) are through setting up elastic connection structure (11) and right valve body (2) interconnect, connection structure (11) set up connecting rod (12) on gland (8) including alternate, connecting rod (12) upper portion cover is equipped with connecting spring (13) rather than the looks adaptation.
2. A high pressure ball valve according to claim 1, wherein: the upper portion of the valve rod (4) is provided with two first bulges (14) matched with the operating device (6), an included angle between the two first bulges (14) is set to be 90 degrees, and the lower end of the operating device (6) is fixedly provided with a second bulge (15) positioned between the two first bulges (14).
3. A high pressure ball valve according to claim 1, wherein: the connecting rod (12) is arranged to be a connecting bolt, the lower end of the connecting rod (12) is fixedly connected with the right valve body (2) in a bolt mode, and the head (16) of the connecting rod (12) is connected with the upper end of the connecting spring (13) in a pressing mode.
4. A high pressure ball valve according to claim 1, wherein: the connecting rod (12) is arranged to be a connecting screw rod, the lower end of the connecting rod (12) is hinged to the right valve body (2) through a pin shaft (21), a connecting nut (22) in threaded connection with the connecting rod is sleeved on the upper end of the connecting rod (12), and the connecting nut (22) is connected with the upper end of the connecting spring (13) in a pressing mode in an abutting mode.
5. A high pressure ball valve according to claim 3 or 4, wherein: the lower end of the connecting spring (13) is connected with the packing gland (8) in a propping and pressing mode through a spring gasket (17), and the connecting spring (13) is a compression spring.
6. A high pressure ball valve according to claim 1, wherein: the lower end of the valve rod (4) is further provided with a thrust bulge (18) matched with the right valve body (2), the thrust bulge (18) is arranged in a circular structure and is arranged with the valve rod (4) in an integrated structure, and a thrust gasket (19) is clamped between the thrust bulge (18) and the right valve body (2).
7. A high pressure ball valve according to claim 1, wherein: and the surfaces of the valve seat (5) and the ball body (3) are plated with adaptive wear-resistant metal coatings (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725455.8U CN209800781U (en) | 2019-05-20 | 2019-05-20 | High-pressure ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725455.8U CN209800781U (en) | 2019-05-20 | 2019-05-20 | High-pressure ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800781U true CN209800781U (en) | 2019-12-17 |
Family
ID=68832822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920725455.8U Expired - Fee Related CN209800781U (en) | 2019-05-20 | 2019-05-20 | High-pressure ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800781U (en) |
-
2019
- 2019-05-20 CN CN201920725455.8U patent/CN209800781U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |