CN211820754U - Shutoff valve capable of being unfolded downwards - Google Patents
Shutoff valve capable of being unfolded downwards Download PDFInfo
- Publication number
- CN211820754U CN211820754U CN202020261844.2U CN202020261844U CN211820754U CN 211820754 U CN211820754 U CN 211820754U CN 202020261844 U CN202020261844 U CN 202020261844U CN 211820754 U CN211820754 U CN 211820754U
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- valve
- metal sleeve
- valve body
- sealed
- valve rod
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Abstract
The utility model relates to a fluidic field, in particular to lower exhibition stop valve. The valve comprises a valve body, a valve rod arranged in the valve body and a valve clack connected with the valve rod, wherein a medium inlet channel and a medium outlet channel communicated with the medium inlet channel are arranged in the valve body, a metal sleeve is detachably arranged on the valve clack, the outer side of the metal sleeve is a conical surface, a protruding block in sealing fit with the outer side surface of the metal sleeve is arranged at a conduction opening of the valve body medium inlet channel and the medium outlet channel, and a second sealing element is arranged between the top of the metal sleeve and the valve body. Second sealing member including sealed the pad, be equipped with sealed step on the valve body of conducting port department, the metal covering top be equipped with the seal groove, sealed pad locate in the seal groove and can contradict with sealed step and seal, an object of the utility model is to provide a sealed difficult wearing and tearing of face, sealed effectual abduction stop valve.
Description
Technical Field
The utility model relates to a fluidic field, in particular to lower exhibition stop valve.
Background
The company applies for a patent number of 8/7/2005: "2005200139400", patent name: the patent of "abduction stop valve", the valve is opened to the abduction method below the abduction stop valve disclosed in this patent, whole valve clack adopts carbide build-up welding to become circular valve clack, form the inclined plane cooperation with the valve body, sealing performance is good, nevertheless along with the development, in order to practice thrift the cost, some occasions begin to use the valve of plastics material, nevertheless this kind of plastics material's abduction valve, discovery in the use, valve clack and valve body are in long-term friction, and the relative carbide of working of plastics, and easy wearing and tearing cause the valve to leak, to this defect, the utility model discloses an improvement has been made.
Disclosure of Invention
In order to overcome the deficiency of the background art, the utility model aims to provide a sealed difficult wearing and tearing of face, sealed effectual abduction stop valve.
The utility model adopts the technical proposal that: the utility model provides a lower exhibition stop valve, includes the valve body, locates the valve rod in the valve body, the valve clack of being connected with the valve rod, is equipped with medium access way and the medium outflow passageway that switches on with medium access way in the valve body, the valve clack on the detachable be equipped with the metal covering, the conical surface is personally submitted to the outside of this metal covering, valve body medium access way and medium outflow passageway's conduction mouth department be equipped with the sealed complex lug of metal covering lateral surface, be equipped with the second sealing member between metal covering top and the valve body.
By adopting the technical scheme, the metal sleeve is arranged on the valve clack, the outer side surface of the metal sleeve is a conical surface, the metal sleeve is arranged on the valve clack, so that hard sealing is formed between the metal sleeve and the valve body, the second sealing element is further sealed, the metal sleeve is matched, double sealing is realized, the sealing performance is improved, and the sealing effect is better.
The utility model discloses further set up to: the second sealing member including sealed the pad, be equipped with sealed step on the valve body that is in lead-through mouth department, the metal covering top be equipped with the seal groove, sealed pad locate in the seal groove and can contradict with sealed step and seal.
Adopt above-mentioned technical scheme, when the valve was closed, the valve clack upwards moved, and the sealed pad that the metal sheathes contradicts on sealed step, realizes sealedly, because the valve clack upwards is closed, consequently the pressure of medium self also can make the valve clack upwards push up, just so further makes sealed pad and sealed step's inseparable laminating, and sealed effect is better.
The utility model discloses further set up to: the sealing gasket is a rubber sealing gasket.
By adopting the technical scheme, the sealing gasket is a rubber sealing gasket and has certain elasticity, so that soft sealing with the sealing step is realized.
The utility model discloses further set up to: and a sleeve hole is formed above the metal sleeve, and the valve clack is inserted into the sleeve hole and is fixed with the metal sleeve through a bolt.
By adopting the technical scheme, the metal sleeve is connected with the valve clack through the bolt, so that the metal sleeve can be disassembled and assembled, and the metal sleeve can be replaced.
The utility model discloses further set up to: and a second sealing gasket is arranged between the metal sleeve and the valve clack.
By adopting the technical scheme, the second sealing gasket plays a sealing role, and leakage between the metal sleeve and the valve clack is prevented.
The utility model discloses further set up to: the valve rod is fixed by a support, a hand wheel is connected above the valve rod, a valve rod copper nut which rotates in a matched mode with the valve rod is arranged in the support, a rolling bearing is arranged between the valve rod and the support, and the upper portion of the rolling bearing is covered by a bearing cover.
By adopting the technical scheme, the hand wheel is used for rotating the valve rod to realize the opening or closing of the valve,
the utility model discloses further set up to: and a dustproof cap is arranged at the top of the valve rod.
Adopt above-mentioned technical scheme, dustproof cap plays dustproof effect.
The utility model discloses further set up to: the valve body, the valve rod and the valve clack are all made of plastic materials.
By adopting the technical scheme, the structure of the valve is mainly used for plastic valves, and compared with metal materials, the plastic valves are low in cost.
The embodiments of the present invention will be further explained with reference to the drawings.
Drawings
Fig. 1 is a sectional view of the open state of the valve according to the present invention;
fig. 2 is a sectional view of the closed state of the valve of the present invention.
Detailed Description
As shown in fig. 1-2, the utility model provides a shutoff valve of abduction, including valve body 1, locate valve rod 2 in the valve body 1, the valve clack 3 of being connected with valve rod 2, be equipped with medium access way 11 in the valve body 1 and the medium outflow passageway 12 that switches on with medium access way 11, valve clack 3 on detachable be equipped with metal covering 31, the conical surface is personally submitted in the outside of this metal covering 31, valve body 1 medium access way 11 is equipped with the sealed complex lug 13 of metal covering 31 lateral surface with the conduction mouth department of medium outflow passageway 12, this lug 13 and valve body 1 integrated into one piece are equipped with second sealing member 4 between metal covering 31 top and the valve body 1. In the above scheme, as the metal sleeve 31 is arranged on the valve clack 3, the outer side surface of the metal sleeve 31 is a conical surface, the metal sleeve 31 and the valve body 1 form hard seal, the second sealing element 4 further realizes seal, and the metal sleeve 31 is matched to realize double seal, so that the sealing performance is improved, and the sealing effect is better.
Second sealing member 4 be equipped with sealed step 42 including sealed 41 on being in the valve body 1 of lead-through mouth department, metal covering 31 top be equipped with seal groove 43, sealed 41 locate in the seal groove 43 and can contradict with sealed step 41 and seal. In the above scheme, when the valve is closed, the valve clack 3 moves upwards, the sealing gasket 41 on the metal sleeve 31 is abutted on the sealing step 42 to realize sealing, and the valve clack 3 is closed upwards, so that the pressure of the medium per se also enables the valve clack 3 to be pushed upwards, the sealing gasket 41 is further tightly attached to the sealing step 42, and the sealing effect is better.
The sealing gasket 41 is a rubber sealing gasket. The gasket 41 is a rubber gasket having a certain elastic force to realize soft sealing with the sealing step 42.
A sleeve hole 32 is arranged above the metal sleeve 31, and the valve clack 3 is inserted into the sleeve hole 32 and fixed with the metal sleeve 31 through a bolt 33. The metal sleeve 31 is connected with the valve clack 3 through a bolt 33, so that the metal sleeve 31 can be disassembled and assembled, and the metal sleeve 31 can be replaced.
A second sealing gasket 34 is arranged between the metal sleeve 31 and the valve clack 3. The second gasket 34 acts as a seal preventing leakage between the metal sleeve 31 and the valve flap 3.
The valve rod 2 is fixed by a support 5, a hand wheel 6 is connected above the valve rod 2, a valve rod copper nut 51 which rotates in a matched mode with the valve rod 2 is arranged in the support 5, a rolling bearing 52 is arranged between the valve rod 2 and the support 5, and the upper portion of the rolling bearing 52 is covered by a bearing cover. The hand wheel 6 is used for rotating the valve rod 2 to realize the opening or closing of the valve,
and a dustproof cap 7 is arranged at the top of the valve rod 2. The dust cap 7 plays a role of dust prevention.
The valve body 1, the valve rod 2 and the valve clack 3 are all made of plastic materials. The structure of the valve is mainly used for plastic valves, and compared with metal materials, the plastic valves are low in cost.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited thereto, and any modification that utilizes the inventive concepts will be within the scope of the patent claims.
Claims (8)
1. The utility model provides a lower exhibition stop valve, including the valve body, locate the valve rod in the valve body, with the valve clack that the valve rod is connected, be equipped with medium access way in the valve body and with the medium outflow passageway that medium access way switched on, its characterized in that: the valve clack is detachably provided with a metal sleeve, the outer side surface of the metal sleeve is a conical surface, a protruding block which is in sealing fit with the outer side surface of the metal sleeve is arranged at a conduction opening of the valve body medium inlet channel and the medium outlet channel, and a second sealing element is arranged between the top of the metal sleeve and the valve body.
2. The deploying shut-off valve of claim 1, wherein: the second sealing member including sealed the pad, be equipped with sealed step on the valve body that is in lead-through mouth department, the metal covering top be equipped with the seal groove, sealed pad locate in the seal groove and can contradict with sealed step and seal.
3. The underdeployed shutoff valve according to claim 2, wherein: the sealing gasket is a rubber sealing gasket.
4. A deploying shut-off valve according to claim 1, 2 or 3, wherein: and a sleeve hole is formed above the metal sleeve, and the valve clack is inserted into the sleeve hole and is fixed with the metal sleeve through a bolt.
5. The deploying shut-off valve of claim 4, wherein: and a second sealing gasket is arranged between the metal sleeve and the valve clack.
6. The deploying shut-off valve of claim 5, wherein: the valve rod is fixed by a support, a hand wheel is connected above the valve rod, a valve rod copper nut which rotates in a matched mode with the valve rod is arranged in the support, a rolling bearing is arranged between the valve rod and the support, and the upper portion of the rolling bearing is covered by a bearing cover.
7. The deploying shut-off valve of claim 6, wherein: and a dustproof cap is arranged at the top of the valve rod.
8. A deploying shut-off valve according to claim 1, 2 or 3, wherein: the valve body, the valve rod and the valve clack are all made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261844.2U CN211820754U (en) | 2020-03-05 | 2020-03-05 | Shutoff valve capable of being unfolded downwards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261844.2U CN211820754U (en) | 2020-03-05 | 2020-03-05 | Shutoff valve capable of being unfolded downwards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820754U true CN211820754U (en) | 2020-10-30 |
Family
ID=72996711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020261844.2U Active CN211820754U (en) | 2020-03-05 | 2020-03-05 | Shutoff valve capable of being unfolded downwards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820754U (en) |
-
2020
- 2020-03-05 CN CN202020261844.2U patent/CN211820754U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |