CN213512116U - Throttling cut-off emptying valve - Google Patents
Throttling cut-off emptying valve Download PDFInfo
- Publication number
- CN213512116U CN213512116U CN202022302459.0U CN202022302459U CN213512116U CN 213512116 U CN213512116 U CN 213512116U CN 202022302459 U CN202022302459 U CN 202022302459U CN 213512116 U CN213512116 U CN 213512116U
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- China
- Prior art keywords
- valve
- seat
- clack
- rod
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000012856 packing Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 241000446313 Lamella Species 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- Details Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of valves, especially, relate to a throttle is by emptying valve. The valve comprises a valve body, a valve cover, a valve rod, a bracket, a valve sleeve, a valve seat, a valve clack seat and a hand wheel; the valve body is provided with a connecting port, an inflow channel and an outflow channel, the inflow channel and the outflow channel are communicated through the connecting port, the bottom of the valve body is provided with a bottom plate, and the valve body is connected with the bottom plate through screws; the valve cover is connected with a valve body screw, a through hole is formed in the valve cover, the valve rod penetrates through the through hole to be sleeved with the valve cover, one end of the valve rod is located inside the valve body, the other end of the valve rod is connected with the hand wheel, a sealing sleeve is arranged on the valve rod, and the sealing sleeve is in contact with the valve cover; the support is in threaded connection with the valve cover, a valve rod nut is arranged on the valve rod and is fixedly connected with the support, and a packing pressing cap is arranged between the support and the valve cover; the throttling stop emptying valve is reasonable in structural design and good in sealing effect.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a throttle is by emptying valve.
Background
The throttling cut-off emptying valve is applied to pipelines of petroleum, natural gas, liquefied petroleum gas, oil refining, airports, chemical engineering, oil and gas storage and transportation and the like as a closed-circuit device, a medium flowing through the pipeline cannot have certain impact force on the pipeline, so that the valve clack is abraded, impurities are inevitable in the medium, and after the throttling cut-off emptying valve is used for a period of time, the sealing effect of the valve clack and the valve seat when the valve clack is contacted can be influenced due to the fact that the impurities are adhered to the sealing surface of the valve seat.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a throttle by atmospheric valve that structural design is reasonable, sealed effectual.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the valve comprises a valve body, a valve cover, a valve rod, a bracket, a valve sleeve, a valve seat, a valve clack seat and a hand wheel; the valve body is provided with a connecting port, an inflow channel and an outflow channel, the inflow channel and the outflow channel are communicated through the connecting port, the bottom of the valve body is provided with a bottom plate, and the valve body is connected with the bottom plate through screws; the valve cover is connected with a valve body screw, a through hole is formed in the valve cover, the valve rod penetrates through the through hole to be sleeved with the valve cover, one end of the valve rod is located inside the valve body, the other end of the valve rod is connected with the hand wheel, a sealing sleeve is arranged on the valve rod, and the sealing sleeve is in contact with the valve cover; the support is in threaded connection with the valve cover, a valve rod nut is arranged on the valve rod and is fixedly connected with the support, and a packing pressing cap is arranged between the support and the valve cover; the valve seat is clamped with the connecting port; one end of the valve sleeve is clamped with the upper end of the valve body, and the other end of the valve sleeve is contacted with the valve seat; a filter screen is arranged in the valve seat, the outer diameter of the filter screen is smaller than the inner diameter of the valve seat, and the bottom and the side wall of the filter screen are both provided with a plurality of round holes; the valve clack is connected with a valve clack seat through a screw, and a valve clack sealing gasket is arranged between the valve clack and the valve clack seat; one end of the valve rod is connected with the valve clack seat.
Preferably, the valve rod is equipped with first recess with the one end of valve clack seat contact, the valve rod is equipped with the tight silk circle of valve clack, the tight silk circle of valve clack cup joints with the valve rod.
Preferably, one end of the valve rod is provided with an opening gasket, the opening gasket is embedded into the first groove, and the opening gasket is contacted with the valve clack tightening wire ring.
Preferably, the valve seat is provided with a first inclined plane, the valve seat is provided with a circular truncated cone, an upper tangent plane of the circular truncated cone is connected with the valve sleeve, and a first O-shaped ring is arranged at the joint of the valve seat and the valve body.
Preferably, one end of the valve flap is provided with a second inclined surface, the inclined angle of the second inclined surface is the same as that of the first inclined surface, and when the valve flap is in contact with the valve seat, the first inclined surface is in close contact with the second inclined surface; the valve clack is provided with a mounting hole.
Preferably, the valve clack seat is provided with a groove, the groove is connected with the valve clack through a hexagonal socket head screw for fixed connection, and a valve clack sealing gasket is arranged at the joint of the valve clack and the valve clack seat.
Preferably, a second O-shaped ring is arranged between the valve clack seat and the valve sleeve and is sleeved with the valve clack seat.
Preferably, a third O-shaped ring is arranged at the joint of the valve cover and the valve sleeve, and the third O-shaped ring is connected with the valve cover in a nested manner.
Compared with the prior art, the utility model has the advantages of it is following:
1. the filter screen at the connecting opening of the valve body can prevent impurities flowing into the channel from passing through the outflow channel to a certain degree, and also can reduce the impact of a medium on the valve clack to a certain degree, reduce the abrasion and the residue of the impurities and improve the sealing effect of the valve;
2. the first O-shaped ring is arranged at the joint of the valve seat and the valve body, and the self-sealing property of the O-shaped ring is utilized, so that the impact force can be relieved to a certain extent when a medium impacts, and a connecting port can be protected when the valve rod is twisted;
3. the first tangent plane arranged on the valve seat is in fit contact with the second tangent plane arranged on the valve clack, so that the sealing property is improved;
4. the valve clack sealing gasket is arranged at the joint of the valve clack and the valve clack seat to ensure that the valve clack is tightly contacted with the valve clack seat, and the mounting hole arranged on the valve clack provides convenience for the screw connection for fastening the valve clack and the valve clack seat and is used in multiple places;
5. the valve rod is sleeved with the valve rod nut and then placed in the support, so that the valve rod is kept stable in the twisting process, and the structural stability of the valve is improved.
6. The bottom and the lateral wall of filter screen all are equipped with a plurality of round holes, and the external diameter design of filter screen is less than under the condition of the internal diameter of disk seat, can slow down the impact force of fluid medium on the one hand, and on the other hand has increased the area of contact of fluid with the filter screen, can control the inflow passageway and pass through the fluid volume that the connector got into the outflow passageway, also can alleviate valve pressure when closing the valve, play the throttle and stop the effect.
Drawings
Fig. 1 is a schematic view of the overall structure of a throttling cut-off emptying valve.
Fig. 2 is a schematic view of the internal installation structure of a valve body of a throttling cut-off emptying valve.
Fig. 3 is a schematic structural diagram of a valve body of a throttling cut-off emptying valve.
Fig. 4 is a schematic diagram of a valve cover structure of a throttling cut-off emptying valve.
Fig. 5 is a schematic view of a valve seat structure of a throttling cut-off emptying valve.
Fig. 6 is a schematic diagram of a screen structure of a throttling cut-off emptying valve.
Fig. 7 is a schematic diagram of a valve clack structure of a throttling cut-off emptying valve.
Fig. 8 is a schematic structural diagram of a valve rod of a throttling cut-off emptying valve.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a support; 5. a valve housing; 6. a valve seat; 7. a valve flap; 8. a valve flap seat; 101. a connecting port; 102. an inflow channel; 103. an outflow channel; 104. a base plate; 201. A through hole; 202. pressing a cap by filling; 203. a third O-ring; 301. sealing sleeves; 302. a valve stem nut; 303. A first groove; 304. tightening a valve clack by a wire ring; 305. a split washer; 601. filtering with a screen; 602. a circular hole; 603. A first inclined plane; 604. a circular truncated cone; 605. a first O-ring; 701. a valve flap seal gasket; 702. a second inclined plane; 703. mounting holes; 801. a second O-ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-8, a throttle cut-off emptying valve is characterized in that: the valve comprises a valve body 1, a valve cover 2, a valve rod 3, a bracket 4, a valve sleeve 5, a valve seat 6, a valve clack 7, a valve clack seat 8 and a hand wheel 9; the valve body 1 is provided with a connecting port 101, an inflow channel 102 and an outflow channel 103, the inflow channel 102 and the outflow channel 103 are communicated through the connecting port 101, the bottom of the valve body 1 is provided with a bottom plate 104, and the valve body 1 is in screw connection with the bottom plate 104; the valve cover 2 is in screw connection with the valve body 1, the valve cover 2 is provided with a through hole 201, the valve rod 3 penetrates through the through hole 201 to be sleeved with the valve cover 2, one end of the valve rod 3 is located inside the valve body 1, the other end of the valve rod 3 is connected with a hand wheel 9, a sealing sleeve 301 is arranged on the valve rod 3, and the sealing sleeve 301 is in contact with the valve cover 2; the support 4 is in threaded connection with the valve cover 2, a valve rod nut 302 is arranged on the valve rod 3 and is fixedly connected with the support 4, and a packing pressing cap 202 is arranged between the support 4 and the valve cover 2; the valve seat 6 is clamped with the connecting port 101; one end of the valve sleeve 5 is clamped with the upper end of the valve body 1, and the other end of the valve sleeve 5 is contacted with the valve seat 6; a filter screen 601 is arranged inside the valve seat 6, the outer diameter of the filter screen 601 is smaller than the inner diameter of the valve seat 6, and the bottom and the side wall of the filter screen 601 are both provided with a plurality of round holes 602; the valve clack is in screw connection with a valve clack seat 8 through a screw, and a valve clack sealing gasket 701 is arranged between the valve clack and the valve clack seat 8; one end of the valve rod 3 is connected with the valve clack seat 8; a first groove 303 is formed in one end, in contact with the valve flap seat 8, of the valve rod 3, a valve flap tightening screw ring 304 is arranged on the valve rod 3, and the valve flap tightening screw ring 304 is sleeved with the valve rod 3; an opening gasket 305 is arranged at one end of the valve rod 3, the opening gasket 305 is embedded into the first groove 303, and the opening gasket 305 is in contact with a valve clack tightening coil 304; the valve seat 6 is provided with a first inclined plane 603, the valve seat 6 is provided with a circular truncated cone 604, the upper cutting surface of the circular truncated cone 604 is connected with the valve sleeve 5, and a first O-shaped ring 605 is arranged at the joint of the valve seat 6 and the valve body 1; a second inclined plane 702 is arranged at one end of the valve flap, the inclined angle of the second inclined plane 702 is the same as that of the first inclined plane 603, and when the valve flap is in contact with the valve seat 6, the first inclined plane 603 is in close contact with the second inclined plane 702; the valve flap is provided with a mounting hole 703; the valve flap seat 8 is provided with a groove, the groove is fixedly connected with the valve flap through a hexagon socket head screw, and a valve flap sealing gasket 701 is arranged at the joint of the valve flap and the valve flap seat 8; a second O-shaped ring 801 is arranged between the valve flap seat 8 and the valve sleeve 5, and the second O-shaped ring 801 is sleeved with the valve flap seat 8; and a third O-shaped ring 203 is arranged at the joint of the valve cover 2 and the valve sleeve 5, and the third O-shaped ring 203 is connected with the valve cover 2 in a nested manner.
As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the valve seat 6 is installed at the connection port 101 of the valve body 1, the circular truncated cone 604 on the valve body 1 is clamped with the section of the connection port 101, a first O-ring 605 is arranged at the connection position of the valve seat 6 and the connection port 101, the sealing performance of the valve seat 6 and the valve body 1 is ensured by the self-sealing performance of the O-ring, the circular truncated cone 604 on the valve seat 6 has a certain limiting function, and the upper part of the valve seat 6 is connected with the valve sleeve 5, so that the valve seat 6 is stably located at the middle position; the valve clack is provided with a mounting hole 703, a hexagonal socket head screw fixedly connects the valve clack with a valve clack seat 8 through the mounting hole 703, the valve clack seat 8 is sleeved with the valve sleeve 5, the valve seat 6 is provided with a first inclined surface 603, the valve clack is provided with a second inclined surface 702, the inclined angles of the first inclined surface 603 and the second inclined surface 702 are the same, the valve clack is ensured to be quite coincident when being contacted with the valve seat 6, and the sealing effect of the valve is improved; the valve seat 6 is internally connected with a filter screen 601, the upper end face of the filter screen 601 is clamped with the upper end port of the valve seat 6, the outer diameter of the body of the filter screen 601 is smaller than the inner diameter of the body of the valve seat 6, round holes 602 are formed in the bottom and the side wall of the filter screen 601, the contact area between a medium and the filter screen 601 is increased, the filtering efficiency is improved, impurities are reduced, the influence on the sealing effect of the valve body 1 due to the fact that the impurities are left on the valve seat 6 and the valve clack is avoided, the impact of the medium on the valve clack is relieved, the abrasion between the valve clack and the valve seat 6 is reduced, the throttling and stopping effect is achieved to a certain degree, a second O-shaped ring 801 is arranged between the valve body 1 and the valve; valve rod 3's one end is located valve clack seat 8, and valve clack seat 8 is equipped with the tight silk circle of valve clack 304, and the tight silk circle of valve clack 304 cup joints with valve rod 3, and the one end that valve rod 3 and the tight silk circle of valve clack 304 are connected is equipped with first recess 303, and opening packing ring 305 imbeds first recess 303.
Claims (8)
1. A throttle stop emptying valve is characterized in that: comprises a valve body (1), a valve cover (2), a valve rod (3), a bracket (4), a valve sleeve (5), a valve seat (6), a valve clack (7), a valve clack seat (8) and a hand wheel (9); the valve body (1) is provided with a connecting port (101), an inflow channel (102) and an outflow channel (103), the inflow channel (102) and the outflow channel (103) are communicated through the connecting port (101), the bottom of the valve body (1) is provided with a bottom plate (104), and the valve body (1) is in screw connection with the bottom plate (104); the valve cover (2) is in screw connection with the valve body (1), a through hole (201) is formed in the valve cover (2), the valve rod (3) penetrates through the through hole (201) to be sleeved with the valve cover (2), one end of the valve rod (3) is located inside the valve body (1), the other end of the valve rod (3) is connected with a hand wheel, a sealing sleeve (301) is arranged on the valve rod (3), and the sealing sleeve (301) is in contact with the valve cover (2); the support (4) is in threaded connection with the valve cover (2), a valve rod nut (302) is arranged on the valve rod (3) and is fixedly connected with the support (4), and a packing pressing cap (202) is arranged between the support (4) and the valve cover (2); the valve seat (6) is clamped with the connecting port (101); one end of the valve sleeve (5) is clamped with the upper end of the valve body (1), and the other end of the valve sleeve (5) is in contact with the valve seat (6); a filter screen (601) is arranged inside the valve seat (6), the outer diameter of the filter screen (601) is smaller than the inner diameter of the valve seat (6), and the bottom and the side wall of the filter screen (601) are provided with a plurality of round holes (602); the valve clack is in screw connection with a valve clack seat (8) through a screw, and a valve clack sealing gasket (701) is arranged between the valve clack and the valve clack seat (8); one end of the valve rod (3) is connected with the valve clack seat (8).
2. A throttle stop bleed valve as defined in claim 1, wherein: valve rod (3) are equipped with first recess (303) with the one end of valve clack seat (8) contact, valve rod (3) are equipped with the tight silk circle of valve clack (304), the tight silk circle of valve clack (304) cup joints with valve rod (3).
3. A throttle stop bleed valve as defined in claim 2, wherein: one end of the valve rod (3) is provided with an opening gasket (305), the opening gasket (305) is embedded into the first groove (303), and the opening gasket (305) is in contact with the valve clack wire tightening ring (304).
4. A throttle stop bleed valve as defined in claim 1, wherein: the valve seat (6) is provided with a first inclined plane (603), the valve seat (6) is provided with a circular truncated cone (604), the upper end face of the circular truncated cone (604) is connected with the valve sleeve (5), and a first O-shaped ring (605) is arranged at the joint of the valve seat (6) and the valve body (1).
5. A throttle stop bleed valve as defined in claim 4, wherein: one end of the valve clack is provided with a second inclined surface (702), the inclined angle of the second inclined surface (702) is the same as that of the first inclined surface (603), and when the valve clack is contacted with the valve seat (6), the first inclined surface (603) is tightly contacted with the second inclined surface (702); the valve clack is provided with a mounting hole (703).
6. A throttle stop bleed valve as defined in claim 1, wherein: valve lamella seat (8) are equipped with the recess, the recess is connected through hexagon socket head screw fixed connection with the valve clack, the junction of valve clack and valve lamella seat (8) is equipped with valve clack sealing pad (701).
7. A throttle stop bleed valve as defined in claim 1, wherein: and a second O-shaped ring (801) is arranged between the valve clack seat (8) and the valve sleeve (5), and the second O-shaped ring (801) is sleeved with the valve clack seat (8).
8. A throttle stop bleed valve as defined in claim 1, wherein: and a third O-shaped ring (203) is arranged at the joint of the valve cover (2) and the valve sleeve (5), and the third O-shaped ring (203) is connected with the valve cover (2) in a nested manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302459.0U CN213512116U (en) | 2020-10-16 | 2020-10-16 | Throttling cut-off emptying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302459.0U CN213512116U (en) | 2020-10-16 | 2020-10-16 | Throttling cut-off emptying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512116U true CN213512116U (en) | 2021-06-22 |
Family
ID=76397622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022302459.0U Expired - Fee Related CN213512116U (en) | 2020-10-16 | 2020-10-16 | Throttling cut-off emptying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512116U (en) |
-
2020
- 2020-10-16 CN CN202022302459.0U patent/CN213512116U/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 |
Granted publication date: 20210622 |