CN220646783U - Manual stop valve - Google Patents
Manual stop valve Download PDFInfo
- Publication number
- CN220646783U CN220646783U CN202322254283.XU CN202322254283U CN220646783U CN 220646783 U CN220646783 U CN 220646783U CN 202322254283 U CN202322254283 U CN 202322254283U CN 220646783 U CN220646783 U CN 220646783U
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- CN
- China
- Prior art keywords
- valve
- sealing ring
- cage
- ring
- tail end
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- 238000007789 sealing Methods 0.000 claims abstract description 100
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000003628 erosive effect Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000007142 ring opening reaction Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model relates to a field of stop valve discloses a manual stop valve, and it includes the valve body, the valve pocket has been seted up in the valve body, run through on the valve body with the medium passageway of valve pocket intercommunication, the valve pocket internalization is provided with the valve rod, be provided with the valve cage on the valve pocket inner wall, the valve cage week side is plugged up medium passageway head end, the valve cage week side is from having a plurality of apertures, the tail end of valve cage with medium passageway tail end is linked together, the valve rod is provided with and is used for blocking the valve clack of valve cage tail end, be provided with first sealing ring on the valve cage tail end inner wall, the valve clack is kept away from the one end of valve rod is provided with the second sealing ring, the second sealing ring top connects first sealing ring. The sealing ring has the effect of avoiding the sealing performance from being reduced due to the fact that the sealing ring is flushly deformed by fluid.
Description
Technical Field
The present application relates to the field of shut-off valves, and in particular to a manual shut-off valve.
Background
The manual stop valve is the most widely used valve, and the closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of a valve lever, so that medium circulation is prevented.
The common manual stop valve comprises a valve body, wherein a valve cavity is formed in the valve body, a Z-shaped medium channel is formed in the valve body in a penetrating mode, the medium channel is communicated with the valve cavity, a valve rod is movably arranged in the valve cavity, a valve clack is arranged at one end, close to the medium channel, of the valve rod, and a sealing ring is arranged at the position, corresponding to the valve clack, of the inner cavity of the valve body. When the valve clack blocks the medium channel, the medium channel cannot pass through the fluid, the sealing ring improves the waterproofness, and the fluid is stopped; when the valve flap is away from the media channel, fluid flows in the media channel.
When the valve clack is far away from the medium channel, fluid flows in the medium channel, the fluid continuously washes the sealing ring on the inner cavity of the valve body, and when the sealing ring is directly washed by the fluid, the sealing ring is easy to deform towards the end point of the medium channel, so that the sealing performance is reduced.
Disclosure of Invention
In order to avoid that the sealing ring is eroded by fluid and deformed so that the sealing performance is reduced, the manual stop valve is provided.
The manual stop valve that this application provided adopts following technical scheme:
the utility model provides a manual stop valve, includes the valve body, the valve pocket has been seted up in the valve body, run through on the valve body with the medium passageway of valve pocket intercommunication, the valve pocket internalization is provided with the valve rod, be provided with the valve cage on the valve pocket inner wall, the valve cage week side is plugged up medium passageway head end, the valve cage week side is from having a plurality of apertures, the tail end of valve cage with medium passageway tail end is linked together, the valve rod is provided with and is used for plugging up the valve clack of valve cage tail end, be provided with first sealing ring on the valve cage tail end inner wall, the valve clack is kept away from the one end of valve rod is provided with the second sealing ring, the second sealing ring top connects first sealing ring.
By adopting the technical scheme, fluid flows in from the head end of the medium channel and flows out from the tail end of the medium channel, and when the valve clack moves towards the tail end of the valve cage, the second sealing ring is propped against the first sealing ring, so that the valve clack is in closer contact with the valve cage, the waterproofness is improved, the valve clack blocks the medium channel, and the fluid is stopped; when the valve clack rises, the valve clack does not block the medium channel, fluid passes through the circumference of the valve cage from the head end of the medium channel and then enters the valve cage, then flows to the tail end of the valve cage, and at the tail end of the medium channel, the fluid penetrates into the valve cage from the circumference of the valve cage to be gentle, the erosion of the fluid to the second sealing ring and the first sealing ring is small, and the impact of the fluid to the valve clack is weakened.
Preferably, a sealing ring is arranged between the inner wall of the valve body and the tail end of the valve cage.
Through adopting above-mentioned technical scheme, the sealing washer promotes the leakproofness between valve body inner wall and the cage tail end, reduces the probability that fluid revealed between valve body inner wall and the cage head end, simultaneously, the sealing washer is located between valve body inner wall and the cage head end, is difficult to by fluid scouring deformation.
Preferably, a sealing ring groove is formed in the tail end of the valve cage on the inner wall of the valve body, and the sealing ring is arranged in the sealing ring groove.
By adopting the technical scheme, the sealing ring is arranged in the sealing ring groove, the sealing ring is not directly impacted by fluid, and the sealing ring is prevented from being eroded and deformed by the fluid.
Preferably, the tail end of the valve cage is provided with a plug ring, the plug ring is plugged in the sealing ring groove, and the plug ring is propped against the sealing ring.
By adopting the technical scheme, the sealing ring is clamped by the plugging ring and the bottom of the sealing ring groove, so that the sealing ring is in closer contact with the valve cage, and the waterproof performance is improved; and the plug-in ring is plugged in the sealing ring groove, so that the valve cage is positioned, the installation position of the valve cage is limited, and the installation of the valve cage is convenient.
Preferably, the inner wall of the valve cavity is provided with a mounting ring groove, a mounting ring is embedded in the mounting ring groove, a plurality of bolts are connected to the mounting ring in a threaded manner, the tail parts of the bolts penetrate through the mounting ring, and the tail parts of the bolts are propped against the head end of the valve cage.
Through adopting above-mentioned technical scheme, screw up the bolt, the bolt afterbody withstands the valve cage, and the grafting ring is compressed tightly in sealed annular by the bolt, realizes the installation of valve cage, and screw up the bolt simultaneously can make valve cage and sealing washer contact more closely, promotes waterproof performance.
Preferably, the head end of the valve cage is provided with a plurality of holes, a plurality of bolts are in one-to-one correspondence with the holes, the tail ends of the bolts are inserted into the holes, and the tail ends of the bolts are propped against the bottoms of the holes.
Through adopting above-mentioned technical scheme, the bolt is pegged graft in the drill way, has the effect of location and restriction position to the valve cage, makes things convenient for the installation of valve cage.
Preferably, the mounting ring is a four-ring opening.
By adopting the technical scheme, the installation ring is a four-open ring, so that the installation of the installation ring is convenient.
Preferably, a support is arranged on the valve body, and one end of the valve rod, which is far away from the valve clack, is in threaded connection with the support.
Through adopting above-mentioned technical scheme, rotate the valve rod, the valve rod translates when rotating, and the valve rod drives the valve clack and removes, realizes the shutoff or the opening of medium passageway.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fluid flows in from the head end of the medium channel and flows out from the tail end of the medium channel, when the valve clack moves towards the tail end of the valve cage, the second sealing ring is propped against the first sealing ring, so that the valve clack is in closer contact with the valve cage, the waterproofness is improved, the valve clack blocks the medium channel, and the fluid is stopped; when the valve clack rises, the valve clack does not block the medium channel, fluid passes through the circumference of the valve cage from the head end of the medium channel and then enters the valve cage, then flows to the tail end of the valve cage, and at the tail end of the medium channel, the fluid passes into the valve cage from the circumference of the valve cage to be gentle, so that the erosion of the fluid to the second sealing ring and the first sealing ring is small, and the impact of the fluid to the valve clack is weakened;
2. the sealing ring improves the tightness between the inner wall of the valve body and the tail end of the valve cage, reduces the leakage probability of fluid from the inner wall of the valve body to the head end of the valve cage, and is positioned between the inner wall of the valve body and the head end of the valve cage, so that the sealing ring is not easy to be eroded and deformed by the fluid;
3. and the bolt is screwed down, the tail part of the bolt props against the valve cage, the plug ring is pressed in the sealing ring groove by the bolt, the installation of the valve cage is realized, and meanwhile, the valve cage and the sealing ring can be in closer contact by screwing down the bolt, so that the waterproof performance is improved.
Drawings
Fig. 1 is a schematic structural view of a manual shutoff valve according to an embodiment of the present application.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a partial enlarged view at B in fig. 1.
Reference numerals illustrate: 1. a valve body; 2. a valve cavity; 3. a media channel; 4. a valve cover; 5. a valve stem; 6. a valve flap; 7. a bracket; 8. rotating the screw hole; 9. a screw; 10. a valve cage; 11. a first seal ring; 12. a second seal ring; 13. sealing ring grooves; 14. a seal ring; 15. a plug ring; 16. installing a ring groove; 17. a mounting ring; 18. a bolt; 19. an orifice.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a manual stop valve.
Referring to fig. 1, a manual stop valve comprises a valve body 1, wherein a valve cavity 2 is formed in the valve body 1, a Z-shaped medium channel 3 communicated with the valve cavity 2 is formed in the valve body 1 in a penetrating mode, the head end of the medium channel 3 is a water inlet end, the tail end of the medium channel is a water outlet end, and a hollow valve cover 4 is arranged on the inner wall of the valve cavity 2. A vertical valve rod 5 is movably arranged in the valve cavity 2, and a valve clack 6 for blocking the medium channel 3 is fixedly arranged at one end of the valve rod 5 close to the medium channel 3. One end of the valve rod 5, which is far away from the valve clack 6, passes through the valve cover 4 to come out of the valve body 1, a support 7 is fixedly arranged on the valve body 1, a rotary screw hole 8 is formed in the support 7 in a penetrating manner, a screw rod 9 is integrally arranged at one end of the valve rod 5, which is far away from the valve clack 6, and the screw rod 9 is in threaded connection with the rotary screw hole 8.
When the valve is used, the screw rod 9 is rotated, the screw rod 9 is lifted along the rotating screw hole 8, the valve rod 5 and the valve clack 6 rotate in the valve cavity 2 and lift, when the valve clack 6 descends, the valve clack 6 blocks the medium channel 3, fluid is stopped, when the valve clack 6 ascends, the valve clack 6 does not block the medium channel 3, and the fluid enters from the head end of the medium channel 3 and then comes out from the tail end of the medium channel 3.
Referring to fig. 1, a valve cage 10 is mounted on the inner wall of a valve body 1 at the position where a valve cavity 2 is communicated with a medium channel 3, the valve cage 10 is a vertical cylinder with a plurality of small holes penetrating through the circumference, the bottom end of the valve cage 10 is a tail end, and the top end of the valve cage 10 is a head end.
Referring to fig. 1, the rear end of the cage 10 communicates with the rear end of the medium passage 3, the medium passage 3 is located in the middle of the rear end of the cage 10, the head end of the cage 10 is located in the valve chamber 2, and the head end of the medium passage 3 is blocked by the circumferential side of the cage 10. The small holes on the periphery of the valve cage 10 are water inlet ends, and the tail end of the valve cage 10 is water outlet end. The valve clack 6 is positioned in the inner cavity of the valve cage 10, and the valve clack 6 is propped against the inner wall of the valve cage 10.
When the valve clack 6 is used, when the medium channel 3 is not blocked, fluid flows into the valve body 1 from the head end of the medium channel 3, then flows into the valve cage 10 from the periphery of the valve cage 10, then flows to the tail end of the medium channel 3 after passing through the tail end of the valve cage 10, and finally, the fluid leaves the valve body 1; the fluid passing through the periphery of the cage 10 becomes more gentle, reducing erosion of the valve flap 6 by the water flow.
Referring to fig. 1 and 2, a first sealing ring 11 is fixedly installed on the inner wall of the tail end of the valve cage 10, a second sealing ring 12 is fixedly installed at one end of the valve clack 6, which is far away from the valve rod 5, the second sealing ring 12 is propped against the first sealing ring 11, and the contact surface of the second sealing ring 12 and the first sealing ring 11 is in a round table circumference shape.
When the valve clack 6 is used, when the valve clack 6 descends to block the medium channel 3, the second sealing ring 12 is propped against the first sealing ring 11, so that the valve clack 6 is in closer contact with the valve cage 10, the waterproofness is improved, and the probability that fluid flows into the valve cage 10 from a gap between the valve clack 6 and the valve cage 10 is reduced; and, the fluid becomes more gentle after passing through the circumference side of the cage 10, the impact of the water flow on the second sealing ring 12 and the first sealing ring 11 is smaller, and the probability that the second sealing ring 12 and the first sealing ring 11 are eroded and deformed by the fluid so as to reduce the sealing performance is reduced.
Referring to fig. 1 and 2, a sealing ring groove 13 is formed in the inner wall of the valve body 1 at the tail end of the corresponding valve cage 10, a sealing ring 14 is arranged in the sealing ring groove 13, an inserting ring 15 is coaxially and integrally arranged at the tail end of the valve cage 10, the inserting ring 15 is inserted in the sealing ring groove 13, and the inserting ring 15 is propped against the sealing ring 14. When the valve is used, the sealing ring 14 promotes the waterproofness, fluid is prevented from passing through a gap between the valve cage 10 and the valve body 1, the sealing ring 14 is positioned between the bottom of the sealing ring groove 13 and the valve cage 10, the sealing ring 14 is not subjected to direct impact of the fluid, and the probability that the sealing ring 14 is impacted by the fluid to deform to reduce the waterproofness is reduced; the plug ring 15 is inserted in the sealing ring groove 13, has a positioning function on the valve cage 10, is convenient for installing the valve cage 10, and simultaneously enables the valve cage 10 to be in closer contact with the sealing ring 14.
Referring to fig. 1 and 3, a mounting ring groove 16 is formed in the inner wall of the valve cavity 2, a mounting ring 17 is embedded in the mounting ring groove 16, the mounting ring 17 is a four-ring-opening ring, four parts of the mounting ring 17 are all in threaded connection with vertical bolts 18, the tail parts of the bolts 18 penetrate through the mounting ring 17, four holes 19 are formed in the position, corresponding to the four bolts 18, of the head end of the valve cage 10, the four holes 19 are in one-to-one correspondence with the four bolts 18, and the tail parts of the bolts 18 are inserted into the holes 19 and are propped against the bottoms of the holes 19.
When the valve is used, the bolts 18 are screwed down, the bolts 18 are propped against the bottoms of the orifices 19, the bolts 18 press the valve cage 10 downwards, the plug-in ring 15 presses the sealing ring 14 downwards in the sealing ring groove 13, the valve cage 10 is arranged in the inner cavity of the valve body 1, and the waterproofness of the sealing ring 14 is improved; meanwhile, the bolts 18 are inserted into the holes 19, so that a certain limiting effect and a certain positioning effect are achieved on the valve cage 10, and the installation of the valve cage 10 is facilitated.
The implementation principle of the manual stop valve in the embodiment of the application is as follows: when the valve rod 5 is rotated, the valve rod 5 rotates and moves up and down, when the valve rod 5 descends, the valve clack 6 blocks the medium channel 3, at the moment, the second sealing ring 12 is propped against the first sealing ring 11, the plug ring 15 is propped against the sealing ring 14, fluid is stopped, when the valve rod 5 ascends, the valve clack 6 does not block the medium channel 3, fluid flows into the valve body 1 from the head end of the medium channel 3, then the fluid passes through the periphery of the valve cage 10 and enters the valve cage 10, the fluid passes through the periphery of the valve cage 10 and becomes more gentle, the erosion of the valve clack 6 by water flow is reduced, the impact force of the water flow on the second sealing ring 12 and the first sealing ring 11 is smaller, and the probability that the sealing performance is reduced due to the fluid scouring deformation of the second sealing ring 12 and the first sealing ring 11 is reduced;
then the fluid flows out of the tail end of the valve cage 10, flows to the tail end of the medium channel 3 and leaves the valve body 1, and at the moment, the sealing ring 14 is positioned between the plug ring 15 and the bottom of the sealing ring groove 13, and the sealing ring 14 is not directly impacted by the fluid.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A manual stop valve, characterized in that: including valve body (1), offer valve pocket (2) in valve body (1), run through on valve body (1) with medium passageway (3) of valve pocket (2) intercommunication, valve pocket (2) internal activity is provided with valve rod (5), be provided with valve cage (10) on valve pocket (2) inner wall, valve cage (10) week side is blocked medium passageway (3) head end, valve cage (10) week side is from having a plurality of apertures, the tail end of valve cage (10) with medium passageway (3) tail end is linked together, valve rod (5) are provided with valve clack (6) that are used for blocking valve cage (10) tail end, be provided with first sealing ring (11) on valve cage (10) tail end inner wall, valve clack (6) are kept away from one end of valve rod (5) is provided with second sealing ring (12), second sealing ring (12) top is connected first sealing ring (11).
2. A manual shut-off valve as defined in claim 1 wherein: a sealing ring (14) is arranged between the inner wall of the valve body (1) and the tail end of the valve cage (10).
3. A manual shut-off valve as defined in claim 2 wherein: the inner wall of the valve body (1) is provided with a sealing ring groove (13) at the tail end of the valve cage (10), and the sealing ring (14) is arranged in the sealing ring groove (13).
4. A manual shut-off valve as defined in claim 3 wherein: the tail end of the valve cage (10) is provided with a plug ring (15), the plug ring (15) is plugged in the sealing ring groove (13), and the plug ring (15) is propped against the sealing ring (14).
5. A manual shut-off valve as defined in claim 4 wherein: the valve is characterized in that an installation ring groove (16) is formed in the inner wall of the valve cavity (2), an installation ring (17) is embedded in the installation ring groove (16), a plurality of bolts (18) are connected to the installation ring (17) in a threaded mode, the tail portions of the bolts (18) penetrate through the installation ring (17), and the tail portions of the bolts (18) are propped against the head end of the valve cage (10).
6. A manual shut-off valve as defined in claim 5 wherein: the novel valve cage is characterized in that a plurality of holes (19) are formed in the head end of the valve cage (10), a plurality of bolts (18) are in one-to-one correspondence with the holes (19), the tail ends of the bolts (18) are inserted into the holes (19), and the tail ends of the bolts (18) are propped against the bottoms of the holes (19).
7. A manual shut-off valve as defined in claim 5 wherein: the mounting ring (17) is a four-way ring.
8. A manual shut-off valve as defined in claim 1 wherein: the valve body (1) is provided with a support (7), and one end, far away from the valve clack (6), of the valve rod (5) is in threaded connection with the support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254283.XU CN220646783U (en) | 2023-08-21 | 2023-08-21 | Manual stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254283.XU CN220646783U (en) | 2023-08-21 | 2023-08-21 | Manual stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646783U true CN220646783U (en) | 2024-03-22 |
Family
ID=90269989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322254283.XU Active CN220646783U (en) | 2023-08-21 | 2023-08-21 | Manual stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646783U (en) |
-
2023
- 2023-08-21 CN CN202322254283.XU patent/CN220646783U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |