CN210716077U - High-temperature and high-pressure resistant valve - Google Patents
High-temperature and high-pressure resistant valve Download PDFInfo
- Publication number
- CN210716077U CN210716077U CN201921904608.1U CN201921904608U CN210716077U CN 210716077 U CN210716077 U CN 210716077U CN 201921904608 U CN201921904608 U CN 201921904608U CN 210716077 U CN210716077 U CN 210716077U
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- valve
- sealing
- hole
- ball core
- valve body
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Abstract
The utility model relates to a high temperature and high pressure resistant valve, which comprises a valve body, a sealed cabin is arranged in the inner cavity of the valve body, a ball core is arranged in the sealed cabin, a valve rod is fixedly connected with the top of the ball core, a valve cover is arranged at the top of the valve body, the valve cover is fixedly connected with the valve body through a fixing bolt, a first through hole is arranged in the valve body, a second through hole is arranged at the bottom of the valve cover, a fixing ring is fixedly arranged at the outer side of the valve rod, the fixing ring is positioned in the first through hole, a fixing block is fixedly arranged on the inner wall of the second through hole, a spring is uniformly arranged between the fixing block and the fixing ring, a sealing section is arranged at the top of the valve cover, a pressing plate is arranged above the valve cover, the ball core is more stable, the situation, the influence caused by pressure and temperature is reduced, and the reliability of the valve is improved.
Description
Technical Field
The utility model relates to a high temperature and high pressure resistant valve belongs to valve technical field.
Background
In the industrial or civil infrastructure, the medium is generally transported by using a pipeline, wherein the pipeline is regulated due to the change of pressure or temperature, a regulating mechanism, particularly a ball valve, is used in the pipeline for regulating the flow rate so as to ensure the optimal working condition and environment, and the safety ball valve mainly performs cutting, throttling and distribution on the pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature and high pressure resistant valve lets the ball core more stable, avoids increasing the holistic leakproofness of valve because of the too big condition that appears the skew of ball core of pressure, also increases the radiating effect of valve gap simultaneously, has reduced the influence that pressure and temperature caused to the reliability of valve has been improved, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature and high-pressure resistant valve comprises a valve body, a sealing bin is arranged in the inner cavity of the valve body, a ball core is arranged in the sealing bin, the top of the ball core is fixedly connected with a valve rod, the top of the valve body is provided with a valve cover, the valve cover is fixedly connected with the valve body through a fixing bolt, a first through hole is arranged in the valve body, a second through hole is arranged at the bottom of the valve cover, a fixing ring is fixedly arranged on the outer side of the valve rod, the fixing ring is positioned in the first through hole, the inner wall of the second through hole is fixedly provided with a fixing block, springs are uniformly arranged between the fixing block and the fixing ring, the top of the valve cover is provided with a sealing section, a pressure plate is arranged above the valve cover, the pressure plate is connected with the valve cover through a fastening bolt, the pressing plate bottom is fixedly provided with a pressing rod, the bottom of the pressing rod is arranged at the sealing section, and annular cooling fins are uniformly arranged on the outer side of the valve cover.
Furthermore, the aqueducts on two sides of the valve body are both fixedly provided with connecting flanges, and the connecting flanges are all provided with mounting holes.
Furthermore, a metal sealing ring is arranged between the sealing bin and the ball core, and a circulation hole is formed in the ball core.
Further, a valve seat is arranged at the bottom of the sealing bin, the bottom of the ball core is arranged in the valve seat, and a metal sealing ring is arranged in the valve seat.
Further, the inner cavity of the first through hole is provided with a rubber sealing ring, and the rubber sealing ring is positioned above the fixing block.
Furthermore, the top end of the valve rod penetrates through the first through hole, the second through hole and the pressing plate and is fixedly connected with a hand wheel, and a sealing gasket is arranged at the joint of the valve body and the valve cover.
Furthermore, the sealing section is filled with a sealing filler, and the pressure lever is positioned above the sealing filler.
The utility model has the advantages that:
1. by arranging the ball core, when the valve is used, the ball core is driven to rotate by rotating the valve rod, when a circulation hole in the ball core corresponds to a channel in the valve body, the valve can be opened, the valve can be closed by rotating the valve rod again, the sealing property of the valve is improved by matching the sealing bin with the metal sealing ring, and the leakage phenomenon is avoided;
2. by arranging the fixing ring, after the valve cover is fixedly installed, the fixing block always applies pressure to the fixing ring through the spring, so that the valve rod applies pressure to the ball core, the ball core is tightly attached to the metal sealing ring in the sealing bin, the ball core is more stable, the condition that the ball core is deviated due to overlarge pressure is avoided, and a reliable sealing structure is formed;
3. through setting up the seal section, will seal the packing through the clamp plate and press in the seal section, realize the packing and seal, seal the valve rod position, avoid the medium to pass through valve rod department and leak, the annular fin in the valve gap outside effectively increases the radiating effect of valve simultaneously, has avoided packing to damage easily under the effect of high temperature and has caused outer inefficacy, causes the valve to unable opening and closing.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a sectional view of the high temperature and high pressure resistant valve of the present invention;
fig. 2 is an enlarged view of a valve of the present invention, which is resistant to high temperature and high pressure, shown in fig. 1 a;
fig. 3 is a schematic view of a valve cover structure of the high temperature and high pressure resistant valve of the present invention;
reference numbers in the figures: 1. a valve body; 2. sealing the bin; 3. a ball core; 4. a valve stem; 5. a valve cover; 6. a first through hole; 7. a second through hole; 8. a fixing ring; 9. a fixed block; 10. a spring; 11. a sealing section; 12. pressing a plate; 13. a pressure lever; 14. an annular heat sink; 15. a connecting flange; 16. a flow-through hole; 17. a valve seat; 18. a rubber seal ring; 19. a handwheel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: a high-temperature and high-pressure resistant valve comprises a valve body 1, a sealing bin 2 is arranged in an inner cavity of the valve body 1, a ball core 3 is arranged in the sealing bin 2, a valve rod 4 is fixedly connected to the top of the ball core 3, when the valve is used, the ball core 3 is driven to rotate by rotating the valve rod 4, when a circulation hole 16 in the ball core 3 corresponds to a channel in the valve body 1, the valve can be opened and closed by rotating again, the sealing bin 2 is matched with a metal sealing ring to increase the sealing performance of the valve and avoid leakage, a valve cover 5 is arranged at the top of the valve body 1, the valve cover 5 is fixedly connected with the valve body 1 through a fixing bolt, a first through hole 6 is formed in the valve body 1, a second through hole 7 is formed at the bottom of the valve cover 5, a fixing ring 8 is fixedly arranged on the outer side of the valve rod 4, and the fixing ring 8, the inner wall of the second through hole 7 is fixedly provided with a fixed block 9, a spring 10 is uniformly arranged between the fixed block 9 and the fixed ring 8, after the valve cover 5 is fixedly installed, the fixed block 9 always applies pressure to the fixed ring 8 through the spring 10, so that the valve rod 4 applies pressure to the ball core 3, the ball core 3 is tightly attached to a metal sealing ring in the sealing bin 2, the ball core is more stable, the situation that the ball core 3 deviates due to overlarge pressure is avoided, a reliable sealing structure is formed, the top of the valve cover 5 is provided with a sealing section 11, a pressing plate 12 is arranged above the valve cover 5, the pressing plate 12 is connected with the valve cover 5 through a fastening bolt, the bottom of the pressing plate 12 is fixedly provided with a pressing rod 13, the bottom of the pressing rod 13 is arranged at the sealing section 11, sealing filler is pressed in the sealing section 11 through the pressing plate 12, filler sealing is, the leakage of a medium through the valve rod is avoided, the annular radiating fins 14 are uniformly arranged on the outer side of the valve cover 5, the radiating effect of the valve is effectively improved, and the problem that the valve cannot be opened or closed due to the fact that the filler is easily damaged under the action of high temperature to cause external failure is avoided.
More specifically, the water conduits on both sides of the valve body 1 are both fixedly provided with connecting flanges 15, and the connecting flanges 15 are both provided with mounting holes for facilitating the installation of the valve, a metal seal ring is arranged between the sealed bin 2 and the ball core 3, and the ball core 3 is provided with a circulation hole 16, the opening and closing of the valve is realized by rotating the ball core 3, the bottom of the sealed bin 2 is provided with a valve seat 17, the bottom of the ball core 3 is arranged in the valve seat 17, and the valve seat 17 is internally provided with the metal seal ring for ensuring the stability of the ball core 3 in the sealed bin 2 and facilitating the rotation of the ball core 3, the inner cavity of the first through hole 6 is provided with a rubber seal ring 18, the rubber seal ring 18 is positioned above the fixed block 9 for sealing the valve rod 4, the top end of the valve rod 4 is all penetrated through the first through hole 6, the second through hole 7 and the pressing, the sealing device is characterized in that a sealing gasket is arranged at the joint of the valve body 1 and the valve cover 5, a hand wheel 19 is convenient for people to operate, sealing filler is filled in the sealing section 11, and the pressing rod 13 is positioned above the sealing filler to form a filler sealing structure, so that the valve rod 4 is further sealed, and the medium is prevented from leaking through the valve rod 4.
Example 2
As shown in fig. 1, a rotating shaft is fixedly arranged at the bottom of the ball core 3 and is arranged in the valve seat 17, and the metal sealing ring is sleeved outside the rotating shaft, so that when the ball core 3 is rotated, the stability of the bottom of the ball core is ensured, and the sealing performance of the valve seat 17 is improved by the sleeve.
The utility model discloses the theory of operation: when the valve is used, the ball core 3 is driven to rotate by rotating the valve rod 4, when a circulation hole 16 in the ball core 3 corresponds to a channel in the valve body 1, the valve can be opened, the valve can be closed by rotating again, a fixing block 9 in the valve cover 5 always applies pressure to the fixing ring 8 through the spring 10, so that the valve rod 4 applies pressure to the ball core 3, the ball core 3 is tightly attached to a metal sealing ring in the sealing bin 2, a reliable sealing structure is formed, the sealing filler is pressed in the sealing section 11 through the pressing plate 12, the filler sealing is realized, the position of the valve rod 4 is sealed, the leakage of the medium through the valve rod 4 is avoided, meanwhile, the annular radiating fins 14 outside the valve cover 5 effectively increase the radiating effect of the valve, and the phenomenon that the filler is easily damaged under the action of high temperature to cause external failure is avoided.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a high temperature and high pressure resistant valve, includes valve body (1), its characterized in that: the ball valve is characterized in that a sealing bin (2) is arranged in an inner cavity of the valve body (1), a ball core (3) is arranged in the sealing bin (2), a valve rod (4) is fixedly connected to the top of the ball core (3), a valve cover (5) is arranged at the top of the valve body (1), the valve cover (5) is fixedly connected with the valve body (1) through a fixing bolt, a first through hole (6) is formed in the valve body (1), a second through hole (7) is formed in the bottom of the valve cover (5), a fixing ring (8) is fixedly arranged on the outer side of the valve rod (4), the fixing ring (8) is located in the first through hole (6), a fixing block (9) is fixedly arranged on the inner wall of the second through hole (7), springs (10) are uniformly arranged between the fixing block (9) and the fixing ring (8), a sealing section (11) is formed at, the pressure plate (12) is connected with the valve cover (5) through fastening bolts, a pressure rod (13) is fixedly arranged at the bottom of the pressure plate (12), the bottom of the pressure rod (13) is arranged at the sealing section (11), and annular cooling fins (14) are uniformly arranged on the outer side of the valve cover (5).
2. The valve of claim 1, wherein: and the water guide pipes on two sides of the valve body (1) are fixedly provided with connecting flanges (15), and the connecting flanges (15) are provided with mounting holes.
3. The valve of claim 1, wherein: a metal sealing ring is arranged between the sealing bin (2) and the ball core (3), and a circulation hole (16) is formed in the ball core (3).
4. The valve of claim 1, wherein: the bottom of the sealing bin (2) is provided with a valve seat (17), the bottom of the ball core (3) is arranged in the valve seat (17), and a metal sealing ring is arranged in the valve seat (17).
5. The valve of claim 1, wherein: the inner cavity of the first through hole (6) is provided with a rubber sealing ring (18), and the rubber sealing ring (18) is positioned above the fixing block (9).
6. The valve of claim 1, wherein: the top end of the valve rod (4) penetrates through the first through hole (6), the second through hole (7) and the pressing plate (12) and is fixedly connected with a hand wheel (19), and a sealing gasket is arranged at the joint of the valve body (1) and the valve cover (5).
7. The valve of claim 1, wherein: the sealing section (11) is filled with sealing filler, and the pressure lever (13) is positioned above the sealing filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904608.1U CN210716077U (en) | 2019-11-07 | 2019-11-07 | High-temperature and high-pressure resistant valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904608.1U CN210716077U (en) | 2019-11-07 | 2019-11-07 | High-temperature and high-pressure resistant valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716077U true CN210716077U (en) | 2020-06-09 |
Family
ID=70925933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921904608.1U Expired - Fee Related CN210716077U (en) | 2019-11-07 | 2019-11-07 | High-temperature and high-pressure resistant valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716077U (en) |
-
2019
- 2019-11-07 CN CN201921904608.1U patent/CN210716077U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20201107 |