CN220378913U - High-tightness stop valve - Google Patents
High-tightness stop valve Download PDFInfo
- Publication number
- CN220378913U CN220378913U CN202321592086.2U CN202321592086U CN220378913U CN 220378913 U CN220378913 U CN 220378913U CN 202321592086 U CN202321592086 U CN 202321592086U CN 220378913 U CN220378913 U CN 220378913U
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- Prior art keywords
- valve
- plate
- groove
- valve rod
- sealing
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- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000005192 partition Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Abstract
The utility model relates to the field of stop valves and discloses a stop valve with high sealing performance, which comprises a valve body shell, wherein a liquid inlet cavity and a liquid outlet cavity are formed in the valve body shell, a partition plate is arranged in the valve body shell, a connecting groove for communicating the liquid inlet cavity with the liquid outlet cavity is formed in the partition plate, a sealing component is arranged on the connecting groove, a connecting piece is connected to the upper part of the valve body shell through a bolt, a valve rod groove is formed in the connecting piece, a connecting rotary pipe is arranged on the inner wall of the valve rod groove, a rotary handle is arranged above the connecting rotary pipe, the bottom of the rotary handle is connected with the upper part of the connecting rotary pipe, an adjusting valve rod is connected in an inner cavity of the connecting rotary pipe in a threaded mode, the lower part of the adjusting valve rod is arranged in the liquid outlet cavity, a stop component is arranged below the adjusting valve rod, sealing plates are respectively arranged at the upper end and the lower end of the valve rod groove, and a tetrafluorospring sealing ring is arranged on the inner wall of the sealing plate.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a stop valve with high sealing performance.
Background
The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, is widely applied to modern industrial production, is also called a stop valve, is one of the most widely used valves, is popular, and is convenient to maintain due to small friction force between sealing surfaces in the opening and closing process, and the pressure application range is wide.
The patent search finds that the Chinese patent with the publication number of CN204477396U discloses a one-way check valve device, which comprises a valve body, a valve cover, a valve seat and a valve clack, wherein the valve cover is arranged above the valve body, the valve body comprises an inlet channel, an outlet channel and a cavity, the valve seat is arranged at the bottom of the inlet channel, a rocker is arranged in the cavity, one end of the rocker is fixedly connected with the cavity, the other end of the rocker is connected with the valve clack, and a sealing piece integrated with the valve clack is arranged on the surface of the valve clack.
However, the above device is only a single device which is blocked with the outlet channel of the valve seat through the valve clack, so that the liquid in the inlet channel is prevented from flowing into the outlet channel, and the structure is arranged, so that the sealing effect of the stop valve is poor, and therefore, the stop valve with high sealing performance is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects in the prior art, the utility model provides the stop valve with high sealing performance, which can effectively solve the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model discloses a stop valve with high sealing performance, which comprises a valve body shell, wherein a liquid inlet cavity and a liquid outlet cavity are arranged in the valve body shell, a partition plate is arranged in the valve body shell, a connecting groove which is used for communicating the liquid inlet cavity with the liquid outlet cavity is formed in the partition plate, a sealing component is arranged on the connecting groove, a connecting piece is connected to the upper part of the valve body shell through a bolt, a valve rod groove is formed in the connecting piece, a connecting rotating pipe is arranged on the inner wall of the valve rod groove, a rotating handle is arranged above the connecting rotating pipe, the bottom of the rotating handle is connected with the upper part of the connecting rotating pipe, an adjusting valve rod is connected in a threaded mode in the inner cavity of the connecting rotating pipe, the lower part of the adjusting valve rod is arranged in the liquid outlet cavity, and a stop component is arranged below the adjusting valve rod.
Further, sealing plates are respectively arranged at the upper end and the lower end of the valve rod groove, and a tetrafluoro spring sealing ring is arranged on the inner wall of the sealing plate.
Furthermore, the sealing component is provided with a plate groove above the partition board, the bottom of the plate groove is provided with a ring groove, and the side surface of the plate groove and the inner wall of the connecting groove are provided with silica gel pads.
Still further, stop the subassembly including setting up support ring board on the valve rod bottom, the fixed outer tube that is provided with in below of support ring board, sliding connection has the inner tube on the inner wall of outer tube, the outside of inner tube is provided with the limiting plate, be provided with the valve plate on the inner tube, the fixed spool that is provided with in bottom of valve plate, the bottom of valve plate is provided with the lip ring, the lip ring with annular looks adaptation.
Furthermore, a plurality of springs are uniformly arranged on the periphery of the bottom of the supporting ring plate, and the other ends of the springs are fixedly connected with the upper part of the valve plate.
Still further, the upper portion of adjusting valve rod is provided with the backup pad, the spout has been seted up on the feed liquor chamber, the backup pad with spout sliding connection.
(III) beneficial effects
Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:
according to the utility model, through the cooperation of the sealing assembly and the stop assembly, the tightness of the stop valve is improved, and the liquid in the liquid inlet cavity is prevented from flowing into the liquid outlet cavity when the inside of the stop valve is closed.
Make connect the change pipe and rotate at the valve rod groove through the turning handle, and then make the regulation valve rod of threaded connection remove in the inner chamber of connecting the change pipe, remove on the spout in the feed liquor chamber through the backup pad on the regulation valve rod outside, make the stable edge vertical direction of regulation valve rod remove, compare in traditional structure setting of regulation valve rod, on the one hand can adjust the stability that the valve rod removed, on the other hand avoid regulating valve rod to rotate, and then when sealed to liquid chamber, junction on the feed liquor chamber, the valve clack of regulating valve rod lower part carries out rotatory friction with the junction, cause the sealing washer wearing and tearing in the valve clack outside, and then influence the leakproofness of stop valve.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of the structure of the interior of the valve body housing;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is an enlarged view at B in fig. 2.
Reference numerals in the drawings represent respectively: 1. a valve body housing; 2. a liquid inlet cavity; 3. a liquid outlet cavity; 4. a partition plate; 5. a connecting groove; 6. a connecting piece; 7. a valve stem groove; 8. the connecting rotating pipe; 9. a rotating handle; 10. an adjusting valve rod; 11. a sealing plate; 12. a plate groove; 13. a ring groove; 14. a support ring plate; 15. a valve plate; 16. a limiting plate; 17. a lip ring; 18. a spring; 19. a support plate; 20. a chute; 21. a spool.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described below with reference to examples.
Examples
The stop valve with high sealing performance, as shown in fig. 1-4, comprises a valve body shell 1, wherein the surface of the valve body shell 1 is coated with anti-corrosion varnish, the service life of the valve body shell 1 is prolonged, a liquid inlet cavity 2 and a liquid outlet cavity 3 are arranged in the valve body shell 1, the liquid inlet cavity 2, the liquid outlet cavity 3 and the valve body 1 are integrally formed, the structure of the stop valve is more stable, the pressure resistance is stronger, a baffle plate 4 is arranged in the valve body shell 1, a connecting groove 5 for communicating the liquid inlet cavity 2 with the liquid outlet cavity 3 is arranged on the baffle plate 4, the cross section of the connecting groove 5 is circular, liquid in the liquid inlet cavity 2 is input into the liquid outlet cavity 3 through the connecting groove 5, a sealing component is arranged on the connecting groove 5, the sealing component is matched with the sealing performance of the stop valve by using, the liquid in the liquid inlet cavity 2 is prevented from flowing into the liquid outlet cavity 3, the upper part of the valve body shell 1 is connected with a connecting piece 6 through a bolt, a valve rod groove 7 is arranged on the connecting piece 6, a connecting rotary pipe 8 is arranged on the inner wall of the valve rod groove 7, a rotary handle 9 is arranged above the connecting rotary pipe 8, the bottom of the rotary handle 9 is connected with the upper part of the connecting rotary pipe 8, a rubber layer is coated on the handle of the rotary handle 9, anti-slip lines are arranged on the rubber layer, the phenomenon that the polarity of a handle of a user is held by the hand to slip is avoided, the rotary handle 9 of the user enables the connecting rotary pipe 8 to rotate in the valve rod groove 7, an adjusting valve rod 10 is connected in an inner cavity of the connecting rotary pipe 8 through threads, the lower part of the adjusting valve rod 10 is arranged in a liquid outlet cavity 3, the adjusting valve rod 10 moves vertically through rotating the connecting rotary rod, a stop component is arranged below the adjusting valve rod 10, the sealing component is matched with the sealing component to improve the sealing performance of the stop valve, the liquid in the liquid inlet cavity 2 is prevented from flowing into the liquid outlet cavity 3.
As shown in fig. 2 and 4, sealing plates 11 are respectively arranged at the upper end and the lower end of the valve rod groove 7, and tetrafluoro spring sealing rings are arranged on the inner wall of the sealing plates 11 to seal the upper part and the lower part of the valve rod groove 7, so that liquid is prevented from seeping out from the valve rod groove 7 and the sealing performance of the stop valve is prevented from being influenced.
As shown in fig. 2 and 3, the sealing assembly is provided with a plate groove 12 above the partition board 4, the bottom of the plate groove 12 is provided with a ring groove 13, the side surface of the plate groove 12 and the inner wall of the connecting groove 5 are provided with silica gel mats, and the silica gel materials have good ageing resistance, wear resistance and temperature resistance, so that the side surface of the plate groove 12 and the side surface of the valve plate 15 are tightly attached, the valve column and the inner wall of the connecting groove 5 are tightly attached, the tightness of the stop valve is improved, and the liquid in the liquid inlet cavity 2 is prevented from flowing into the liquid outlet cavity 3.
As shown in fig. 2, the stop assembly comprises a supporting ring plate 14 arranged at the bottom of the adjusting valve rod 10, the supporting ring plate 14 is made of stainless steel, an outer tube is fixedly arranged below the supporting ring plate 14, an inner tube is slidably connected to the inner wall of the outer tube, a limiting plate 16 is arranged at the outer side of the inner tube, the limiting plate 16 is used for limiting the inner tube when moving, a valve plate 15 is arranged on the inner tube, a plate groove 12 corresponds to the position of the valve plate 15, a valve column corresponds to the position of the connecting groove 5, the plate groove 12 is tightly attached to the side surface of the valve plate 15 through movement of the adjusting valve rod 10, the valve column is tightly attached to the inner wall of the connecting groove 5, a valve column 21 is fixedly arranged at the bottom of the valve plate 15, a lip ring 17 is arranged at the bottom of the valve plate 15 and is matched with the annular groove 13, the lip ring 17 is an oil-resistant asbestos rubber pad, the lip ring 17 is clamped in the annular groove 13, the sealing of the stop valve is improved, and liquid in the liquid inlet cavity 2 is prevented from flowing into the liquid outlet cavity 3.
As shown in fig. 2 and 3, a plurality of springs 18 are uniformly arranged on the periphery of the bottom of the supporting ring plate 14, the other ends of the plurality of springs 18 are fixedly connected with the upper side of the valve plate 15, when the adjusting valve rod 10 moves downwards to enable the plate groove 12 to be attached to the valve plate 15, the valve column is inserted into the inner wall of the connecting groove 5, the lip ring 17 moves in the annular groove 13, the adjusting valve rod 10 continues to move downwards, the supporting ring plate 14 moves, the inner pipe moves on the outer pipe to enable the plurality of springs 18 to deform, downward force is generated on the valve plate 15, the pressure of the plurality of springs 18 uniformly arranged on the valve plate 15 is more uniform, the limiting plate 16 is prevented from excessively deforming to enable the valve plate 15 to be damaged, the side surface of the plate groove 12 and the valve plate 15 are tightly attached to each other due to the arrangement, the lip ring 17 is clamped in the annular groove 13, and the valve column is tightly attached to the inner wall of the connecting groove 5.
As shown in fig. 2, the upper portion of the adjusting valve rod 10 is provided with a supporting plate 19, the liquid inlet cavity 2 is provided with a sliding groove 20, the supporting plate 19 is slidably connected with the sliding groove 20, the user rotating handle 9 enables the connecting rotating pipe 8 to rotate in the valve rod groove 7, then the adjusting valve rod 10 in threaded connection in the inner cavity of the connecting rotating pipe 8 moves, the supporting plate 19 on the outer side of the adjusting valve rod 10 moves on the sliding groove 20 in the liquid inlet cavity 2, the adjusting valve rod 10 moves stably along the vertical direction, compared with the structural arrangement of the traditional adjusting valve rod 10, on one hand, the moving stability of the valve rod 10 can be adjusted, on the other hand, the adjusting valve rod 10 is prevented from rotating, further when the connecting part on the liquid outlet cavity 3 and the liquid inlet cavity 2 is sealed, the valve clack on the lower portion of the adjusting valve rod 10 is in rotary friction with the connecting part, the sealing gasket on the outer side of the valve clack is worn, the sealing performance of the sealing valve is affected, and liquid in the liquid inlet cavity 2 is enabled to flow into the liquid outlet cavity 3.
In the embodiment, when the embodiment is implemented, the user rotates the rotating handle 9 to enable the connecting rotating tube 8 to rotate in the valve rod groove 7, further enable the adjusting valve rod 10 in threaded connection in the inner cavity of the connecting rotating tube 8 to move, enable the adjusting valve rod 10 to stably move along the vertical direction through the supporting plate 19 on the outer side of the adjusting valve rod 10 to move on the sliding groove 20 in the liquid inlet cavity 2, and compared with the traditional structural arrangement of the adjusting valve rod 10, on one hand, the stability of the movement of the valve rod 10 can be adjusted, on the other hand, the rotating of the adjusting valve rod 10 is avoided, further when the liquid outlet cavity 3 and the connecting part on the liquid inlet cavity 2 are sealed, the valve clack on the lower part of the adjusting valve rod 10 and the connecting part are in rotary friction, so that the sealing gasket on the outer side of the valve clack is worn, further influence the sealing performance of the stop valve, and the liquid in the liquid inlet cavity 2 flows into the liquid outlet cavity 3, through the matching use of the sealing component and the stop component, the tightness of the stop valve is improved, the liquid in the liquid inlet cavity 2 is prevented from flowing into the liquid outlet cavity 3, when the regulating valve rod 10 moves downwards, the plate groove 12 is jointed with the valve plate 15, the valve rod is inserted into the inner wall of the connecting groove 5, the lip ring 17 moves in the annular groove 13, the regulating valve rod 10 continues to move downwards, the supporting ring plate 14 moves, the inner pipe moves on the outer pipe, the plurality of springs 18 deform, the downward force is generated on the valve plate 15, the pressure of the plurality of springs 18 uniformly circumferentially arranged on the valve plate 15 is more uniform, the limiting plate 16 prevents the springs 18 from excessively deforming, the valve plate 15 is damaged, the plate groove 12 is tightly jointed with the side surface of the valve plate 15, the lip ring 17 is clamped in the annular groove 13, and the spool is closely attached to the inner wall of the connecting groove 5.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides a high stop valve of leakproofness, includes valve body shell (1), its characterized in that: be equipped with feed liquor chamber (2) and play liquid chamber (3) in valve body shell (1), be equipped with baffle (4) in valve body shell (1), set up on baffle (4) will feed liquor chamber (2) and go out spread groove (5) that liquid chamber (3) are linked together, be provided with seal assembly on spread groove (5), there is connecting piece (6) on the upper portion of valve body shell (1) through bolted connection, set up valve rod groove (7) on connecting piece (6), be provided with on the inner wall of valve rod groove (7) and connect change tub (8), the top of connecting change tub (8) is provided with stem (9), the bottom of stem (9) with the top of connecting change tub (8) links to each other, threaded connection has adjusting valve rod (10) in the inner chamber of connecting change tub (8), the lower part of adjusting valve rod (10) sets up in play liquid chamber (3), the below of adjusting valve rod (10) is provided with stop assembly.
2. A high tightness shut-off valve according to claim 1, characterized in that: sealing plates (11) are respectively arranged at the upper end and the lower end of the valve rod groove (7), and a tetrafluoro spring sealing ring is arranged on the inner wall of the sealing plate (11).
3. A high tightness shut-off valve according to claim 1, characterized in that: the sealing assembly is characterized in that a plate groove (12) is formed in the upper portion of the partition plate (4), an annular groove (13) is formed in the bottom of the plate groove (12), and silica gel pads are arranged on the side face of the plate groove (12) and the inner wall of the connecting groove (5).
4. A high tightness shut-off valve according to claim 3, characterized in that: the stop assembly comprises a supporting annular plate (14) arranged on the bottom of the adjusting valve rod (10), an outer tube is fixedly arranged below the supporting annular plate (14), an inner tube is connected to the inner wall of the outer tube in a sliding mode, a limiting plate (16) is arranged on the outer side of the inner tube, a valve plate (15) is arranged on the inner tube, a valve column (21) is fixedly arranged at the bottom of the valve plate (15), a lip ring (17) is arranged at the bottom of the valve plate (15), and the lip ring (17) is matched with the annular groove (13).
5. The high tightness shut-off valve according to claim 4, wherein: the bottom of the supporting ring plate (14) is uniformly provided with a plurality of springs (18) in a circumferential manner, and the other ends of the springs (18) are fixedly connected with the upper part of the valve plate (15).
6. A high tightness shut-off valve according to claim 1, characterized in that: the upper portion of adjusting valve rod (10) is provided with backup pad (19), spout (20) have been seted up on feed liquor chamber (2), backup pad (19) with spout (20) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592086.2U CN220378913U (en) | 2023-06-21 | 2023-06-21 | High-tightness stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592086.2U CN220378913U (en) | 2023-06-21 | 2023-06-21 | High-tightness stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378913U true CN220378913U (en) | 2024-01-23 |
Family
ID=89573006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321592086.2U Active CN220378913U (en) | 2023-06-21 | 2023-06-21 | High-tightness stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378913U (en) |
-
2023
- 2023-06-21 CN CN202321592086.2U patent/CN220378913U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |