CN216045703U - Leak-proof oil-blocking sealing mechanism - Google Patents
Leak-proof oil-blocking sealing mechanism Download PDFInfo
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- CN216045703U CN216045703U CN202122297180.2U CN202122297180U CN216045703U CN 216045703 U CN216045703 U CN 216045703U CN 202122297180 U CN202122297180 U CN 202122297180U CN 216045703 U CN216045703 U CN 216045703U
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Abstract
The utility model is suitable for the technical field of sealing, and provides a leakage-proof oil-plugging sealing mechanism which comprises a valve body, wherein a valve seat is fixed in the valve body, a first oil path through hole and a second oil path through hole are formed in the valve seat, two ends of the first oil path through hole and the second oil path through hole are bell mouths, the caliber of the second oil path through hole is larger than that of the first oil path through hole, a valve seat sealing steel ball is arranged between the valve seat and the valve body, a valve core is arranged in the middle of the valve seat, a valve cover plate is arranged at the top of the valve body and movably connected with the valve body through a valve cover, a ring-shaped groove is formed in the upper bottom and the lower bottom of the valve cover, a valve cover sealing ring is arranged in the groove, a through hole is formed in the middle of the valve cover plate, a vertical base is arranged at the through hole, the vertical base is connected with the valve cover plate through threads, a vertical base through hole is formed in the middle of the vertical base, and a lifting device is arranged in the vertical base through hole, the oil plugging sealing structure provided by the utility model can realize convenient oil taking.
Description
Technical Field
The utility model belongs to the technical field of sealing, and particularly relates to a leakage-proof oil-blocking sealing mechanism.
Background
Various valve bodies are required to be used on petroleum pipelines, large-scale gas pipelines and wind power flanges to achieve the on-off effect of a switch, but the sealing performance of a common valve body and a valve cover cannot meet the requirement, and the speed of oil gas passing through the valve body is low due to the small passage of the valve body, so that the speed of oil and gas transmission can be obviously influenced when the oil gas passes through the valve body for multiple times; in addition, when the conventional valve body needs to be maintained after being used for a long time, the valve cover, the valve seat and the like are all disassembled to repair the interior of the valve body, but the valve seat is fixed in the valve body, so that the valve seat can not be disassembled and maintained on line, and the maintenance efficiency is reduced.
At present, the traditional oil blocking sealing structure is an outer hexagonal plug which is arranged at the bottom of an external thread of an oil outlet of a sampling valve and is provided with an oil hole, and an iron cap with an internal thread which is arranged on the outer hexagonal plug. According to the sealing structure, when oil service personnel take oil samples, the adjustable wrench is needed to be used for opening the iron cap with the internal thread arranged on the outer hexagonal plug, then the outer hexagonal oil plug is opened, and oil can be slowly discharged from the oil hole at the bottom. It can be seen that the oil blocking sealing structure in the prior art makes the operation procedure of oil taking more troublesome, which causes inconvenience of oil taking.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leakage-proof oil-blocking sealing mechanism, aiming at solving the problem that the oil-blocking sealing structure in the prior art causes troublesome operation procedures of oil taking and causes inconvenience of oil taking.
The valve comprises a valve body and is characterized in that a valve seat is fixed inside the valve body, a first oil way through hole and a second oil way through hole are formed in the valve seat, two ends of the first oil way through hole and the second oil way through hole are horn mouths, the caliber of the second oil way through hole is larger than that of the first oil way through hole, a valve seat sealing steel ball is arranged between the valve seat and the valve body, a valve core is arranged in the middle of the valve seat, a valve cover plate is arranged at the top of the valve body and movably connected with the valve body through a valve cover, a ring-shaped groove is formed in the upper bottom and the lower bottom of the valve cover, a valve cover sealing ring is arranged in the groove, a through hole is formed in the middle of the valve cover plate, a vertical base is arranged at the through hole and is connected with the valve cover plate through threads, a vertical base through hole is formed in the middle of the vertical base, and a lifting device is arranged in the through hole of the vertical base.
Furthermore, the upper bottom of the valve cover is provided with a circle of annular first groove, a first valve cover sealing ring is arranged in the first groove, the lower bottom of the valve cover is provided with a circle of annular second groove, and a second valve cover sealing ring is arranged in the second groove.
Furthermore, a valve core hole is formed in the valve seat, a valve core is arranged in the valve core hole, and the valve core hole is in threaded connection with the valve core.
Furthermore, a lifting handle is arranged at the top of the lifting device, two bottom frames are arranged at the bottom of the lifting handle, the bottom of each bottom frame is fixed to the top of the vertical base, and the bottom frames are fixed by bolts penetrating through the vertical base.
Furthermore, a through hole spring connected with the bottom end of the second oil passage through hole is arranged in the first oil passage through hole, the upper end of the through hole spring is provided with the valve seat sealing steel ball, the valve seat sealing steel ball is tightly attached to one end, away from the second oil passage through hole, of the first oil passage through hole under the elastic force action of the through hole spring, and a passage opening of the first oil passage through hole is blocked, so that oil samples stored in the first oil passage through hole are prevented from flowing out.
Further, the inner diameter of the first oil passage through hole is gradually reduced from bottom to top.
Furthermore, the material of the tubular passages of the second oil passage through hole and the first oil passage through hole is copper.
Further, the copper is plated on the second oil passage through hole and the tubular passage of the first oil passage through hole.
The beneficial technical effects related to the implementation of the utility model are as follows: firstly, a valve seat sealing steel ball is arranged between a valve seat and a valve body, the sealing performance is good, both high pressure and low pressure can be prevented from leaking, two ends of a middle through hole of the valve seat are bell mouths, the inner caliber of the bell mouth is larger than the outer caliber, so that the oil discharge quantity of the valve body is improved, the oil and gas conveying speed is ensured, a circle of annular groove is formed at the contact part of the bottom of a valve cover and the valve body, a sealing ring is arranged in the groove, and the sealing performance between the valve body and the valve cover can be improved by the sealing ring; secondly, when the valve cover is disassembled, the valve cover and the valve body are disassembled only by lifting the lifting device, then the vertical base and the cover body on the valve cover are disassembled, finally the bolt is unscrewed, and the lifting device is disassembled from the vertical base, so that the valve cover can be completely disassembled for maintenance and replacement, and the valve cover is convenient and quick; finally, when oil is taken, only the ejector rod or other components are used for pressing the steel ball into the oil way through hole to jack the steel ball, so that an oil sample stored in the valve body can flow out through a gap exposed by the jack-up steel ball, and convenient oil taking is realized.
Drawings
FIG. 1 is a block diagram of an anti-blocking oil pipe valve body of an anti-leakage and oil-blocking sealing mechanism provided by the utility model;
FIG. 2 is a schematic view of a valve base structure of a leak-proof oil-blocking sealing mechanism provided by the present invention;
FIG. 3 is a cross-sectional view of the interior of the valve seat of a leak-proof, oil-blocking sealing mechanism provided by the present invention;
FIG. 4 is a schematic view of the valve cover structure of a leak-proof oil-blocking sealing mechanism provided by the utility model;
FIG. 5 is a schematic view of a valve cover plate of a leak-proof oil-blocking sealing mechanism provided by the present invention;
fig. 6 is a schematic view of a valve core structure of a leakage-proof oil-blocking sealing mechanism provided by the utility model.
In the figure: 1. a valve body; 2. a valve seat; 3. a valve cover; 4. a handle; 5. a vertical base; 6. a chassis; 7. A bolt; 8. a valve core; 9. the valve seat seals the steel ball; 10. a spool spring; 11. a spool bore; 12. a first oil passage through hole; 13. a second oil passage through hole; 14. a through hole spring; 15. a first groove; 16. a first bonnet seal ring; 17. a valve cover plate; 18. a second groove; 19. a second valve cover sealing ring; 20. a valve core screw head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-6, a leakage-proof oil-blocking sealing mechanism comprises a valve body 1, and is characterized in that a valve seat 2 is fixed inside the valve body 1, a first oil passage through hole 12 and a second oil passage through hole 13 are formed on the valve seat 2, two ends of the first oil passage through hole 12 and the second oil passage through hole 13 are horn mouths, wherein the caliber of the second oil passage through hole 13 is larger than that of the first oil passage through hole 12, a valve seat sealing steel ball 9 is arranged between the valve seat 2 and the valve body 1, a valve core 8 is arranged in the middle of the valve seat 2, a valve cover plate 17 is arranged on the top of the valve body 1, the valve cover plate 17 is movably connected with the valve body 1 through a valve cover 3, a ring-shaped groove is formed at the upper bottom and the lower bottom of the valve cover 3, a valve cover sealing ring is arranged in the groove, a through hole is formed in the middle of the valve cover plate 17, a vertical base 5 is arranged at the through hole, and the vertical base 5 is connected with the valve cover plate 17 through a thread, a vertical base through hole is formed in the middle of the vertical base 5, and a lifting device is arranged in the vertical base through hole.
The upper bottom of the valve cover 3 is provided with a ring-shaped first groove 15, a first valve cover sealing ring 16 is arranged in the first groove 15, the lower bottom of the valve cover 3 is provided with a ring-shaped second groove 18, a second valve cover sealing ring 19 is arranged in the second groove 18, and the sealing effect is more obvious through double-layer sealing rings.
The valve seat 2 is internally provided with a valve core hole 11, the valve core 8 is arranged in the valve core hole 11, and the valve core hole 11 is in threaded connection with the valve core 8, so that the valve body 1 and the valve seat 2 are firmly and fixedly installed.
Lifting device's top is equipped with handle 4, and handle 4's bottom is equipped with two chassis 6 and fixes, and the top at vertical base 5 is fixed to the bottom of chassis 6 to pass vertical base 5 through bolt 7 with chassis 6, be favorable to the dismantlement of valve gap, also can carry out convenient and fast's complete disassembly or maintain the change to the valve gap.
A through hole spring 14 connected with the bottom end of the second oil passage through hole 13 is arranged in the first oil passage through hole 12, a valve seat sealing steel ball 9 is arranged at the upper end of the through hole spring 14, the valve seat sealing steel ball 9 is tightly attached to one end, away from the second oil passage through hole 13, of the first oil passage through hole 12 under the elastic force action of the through hole spring 14, and a passage opening of the first oil passage through hole 12 is blocked so as to prevent oil samples stored in the first oil passage through hole 12 from flowing out.
The inner diameter of the first oil passage through hole 12 gradually decreases from bottom to top.
The material of the tubular passages of the second oil passage through hole 13 and the first oil passage through hole 12 is copper, and the material of the other components provided by the embodiment of the present invention may also be copper.
Copper is plated on the tubular passages of the second oil passage through holes 13 and the first oil passage through holes 12 to form copper molds.
The working principle of the utility model is as follows: in actual use, the valve seat sealing steel ball 9 is used for sealing the first oil way through hole 12 and the second oil way through hole 13, and the first valve cover sealing ring 16 and the first valve cover sealing ring 19 are screwed down for sealing and oil plugging; when oil is taken, the valve seat sealing steel ball 9 is pressed into the oil way through hole by using the ejector rod or other components, the valve seat sealing steel ball 9 is jacked open, and then oil samples stored in the valve body can flow out through the exposed gap of the jacked valve seat sealing steel ball 9, so that convenient oil taking is realized.
The beneficial technical effects related to the implementation of the utility model are as follows: firstly, a valve seat sealing steel ball 9 is arranged between a valve seat 2 and a valve body 1, the sealing performance is good, high pressure and low pressure can be prevented from leaking, two ends of a middle through hole of the valve seat 2 are horn mouths, the inner caliber of each horn mouth is larger than the outer caliber, so that the oil discharge amount of the valve body is improved, the oil and gas transmission speed is ensured, a circle of annular groove is formed at the contact part of the bottom of a valve cover 3 and the valve body 1, a sealing ring is arranged in each groove, and the sealing performance between the valve body 1 and the valve cover 3 can be improved through the sealing ring; secondly, when the valve cover 3 is disassembled, the valve cover 3 and the valve body 1 are disassembled only by lifting the lifting device, then the vertical base 5 and the cover body on the valve cover 3 are disassembled, finally the bolt 7 is unscrewed, and the lifting device is disassembled from the vertical base 5, so that the valve cover 3 can be completely disassembled for maintenance and replacement, and the operation is convenient and rapid; finally, when oil is taken, only the ejector rod or other components are used for pressing the steel ball 9 into the oil way through hole to jack the steel ball 9, so that an oil sample stored in the valve body can flow out through a gap exposed by jacking the steel ball, and convenient oil taking is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A leakage-proof oil-blocking sealing mechanism comprises a valve body (1) and is characterized in that a valve seat (2) is fixed inside the valve body (1), a first oil way through hole (12) and a second oil way through hole (13) are formed in the valve seat (2), two ends of the first oil way through hole (12) and the second oil way through hole (13) are horn-shaped, the caliber of the second oil way through hole (13) is larger than that of the first oil way through hole (12), a valve seat sealing steel ball (9) is arranged between the valve seat (2) and the valve body (1), a valve core (8) is arranged in the middle of the valve seat (2), a valve cover plate (17) is arranged at the top of the valve body (1), the valve cover plate (17) is movably connected with the valve body (1) through a valve cover (3), and a circle of annular groove is formed in the upper bottom and the lower bottom of the valve cover (3), the valve cover sealing ring is arranged in the groove, a through hole is formed in the middle of the valve cover plate (17), a vertical base (5) is arranged at the through hole, the vertical base (5) is connected with the valve cover plate (17) through threads, a vertical base through hole is formed in the middle of the vertical base (5), and a lifting device is arranged in the vertical base through hole.
2. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the improved valve cover is characterized in that a ring of annular first groove (15) is formed in the upper bottom of the valve cover (3), a first valve cover sealing ring (16) is arranged in the first groove (15), a ring of annular second groove (18) is formed in the lower bottom of the valve cover (3), and a second valve cover sealing ring (19) is arranged in the second groove (18).
3. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the valve seat (2) is internally provided with a valve core hole (11), a valve core (8) is arranged in the valve core hole (11), and the valve core hole (11) is in threaded connection with the valve core (8).
4. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the top of the lifting device is provided with a lifting handle (4), the bottom of the lifting handle (4) is provided with two bottom frames (6), the bottom of each bottom frame (6) is fixed to the top of the vertical base (5), and a bolt (7) penetrates through the vertical base (5) to fix the bottom frames (6).
5. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the valve seat sealing steel ball (9) is tightly attached to one end, away from the second oil way through hole (13), of the first oil way through hole (12) under the elastic action of the through hole spring (14), and a passage opening of the first oil way through hole (12) is blocked to prevent oil samples stored in the first oil way through hole (12) from flowing out.
6. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the inner diameter of the first oil passage through hole (12) is gradually reduced from bottom to top.
7. A leak-proof, oil-blocking and sealing mechanism according to claim 1, wherein: the second oil passage through hole (13) and the tubular passage of the first oil passage through hole (12) are made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297180.2U CN216045703U (en) | 2021-09-23 | 2021-09-23 | Leak-proof oil-blocking sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297180.2U CN216045703U (en) | 2021-09-23 | 2021-09-23 | Leak-proof oil-blocking sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045703U true CN216045703U (en) | 2022-03-15 |
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ID=80599811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122297180.2U Active CN216045703U (en) | 2021-09-23 | 2021-09-23 | Leak-proof oil-blocking sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045703U (en) |
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2021
- 2021-09-23 CN CN202122297180.2U patent/CN216045703U/en active Active
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