CN216923207U - Novel anti-scouring stop valve - Google Patents
Novel anti-scouring stop valve Download PDFInfo
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- CN216923207U CN216923207U CN202220227215.7U CN202220227215U CN216923207U CN 216923207 U CN216923207 U CN 216923207U CN 202220227215 U CN202220227215 U CN 202220227215U CN 216923207 U CN216923207 U CN 216923207U
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Abstract
The utility model discloses a novel anti-scouring stop valve, which comprises a valve body, wherein the valve body comprises a bracket and an inner cavity, a valve rod is inserted into the inner cavity, a hand wheel is installed at the top end of the valve rod, a valve body inlet and a valve body outlet are arranged at the bottom of the inner cavity, a valve rod positioning device is installed on the inner wall of the inner cavity, a valve clack is installed on the valve seat, a transverse packing gasket is installed above the valve clack, and packing is placed on the packing gasket; the material pressing device is arranged at the top of the filler and comprises a filler pressing sleeve pressed on the filler, the filler pressing sleeve is connected with a filler pressing plate, one end of the filler pressing plate is connected with a fastening screw rod, and one end of the fastening screw rod, far away from the filler pressing plate, is connected with the bracket; the valve body is formed by forging, achieves the purposes of scouring resistance, shock resistance and high pressure resistance, is provided with the filler to realize zero leakage of steam, is wear-resistant, high temperature resistant, good in scratch resistance and long in service life, can be maintained only by opening the valve to take out the valve inner part during maintenance, and then is returned to the original position, so that the cost and the maintenance time are saved.
Description
Technical Field
The utility model relates to a stop valve, in particular to a novel anti-scouring stop valve.
Background
The existing stop valve is a cast valve body, the pipeline connection mode is a welding type, and the stop valve does not have maintenance conditions when being maintained on the use site, and is specifically as follows:
1. when the valve is required to be maintained by a field user, the valve is required to be completely cut off the line on the pipeline so as to be maintained.
2. The existing stop valve internal parts and the valve body are integrated, and the valve has medium flushing or is not used properly, so that the whole set of valve needs to be replaced when the internal parts are damaged, and the cost is increased for a user.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel anti-scouring stop valve for solving the problems, which comprises a valve body, wherein the valve body comprises a support and an inner cavity, a valve rod is inserted into the inner cavity, a hand wheel is installed at the top end of the valve rod, a valve body inlet and a valve body outlet are formed in the bottom of the inner cavity, a valve rod positioning device is installed on the inner wall of the inner cavity, the valve rod penetrates through the valve rod positioning device, the bottom end of the valve rod extends to the joint of the valve body outlet and the inner cavity, the valve rod positioning device comprises a valve seat installed on the inner wall of the inner cavity, a valve clack is installed on the valve seat, a transverse packing gasket is installed above the valve clack, and packing is placed on the packing gasket;
the material pressing device is installed at the top of the filler and comprises a filler pressing sleeve pressed on the filler, the filler pressing sleeve is connected with a filler pressing plate, one end of the filler pressing plate is connected with a fastening screw rod, and one end, far away from the filler pressing plate, of the fastening screw rod is connected with the support.
Further, the hand wheel is connected with the valve rod through a bolt.
Furthermore, a tooth-shaped gasket is arranged at the bottom of the valve seat.
Further, a sleeve is inserted between the valve clack and the inner wall of the inner cavity.
Further, the filler is flexible graphite.
Further, a valve rod nut is installed between the top end of the valve rod and the inner wall of the inner cavity, and a bearing is installed between the valve rod nut and the inner wall of the inner cavity.
Furthermore, a locking nut is mounted above the bearing, and the bearing is fixed with the valve rod nut through the locking nut.
Compared with the prior art, the utility model has the beneficial effects that:
according to the novel anti-scouring stop valve, the hand wheel is screwed to screw the valve rod, so that steam enters from the inlet of the valve body and then exits from the outlet of the valve body, when the steam pipe of the high-pressure boiler needs to be maintained, in order to prevent steam from burning workers, the steam pipe needs to be closed and then maintained, so that the valve body needs to be used, and when the steam pipe is closed, the hand wheel is screwed to screw the valve rod down, so that the bottom end of the valve rod is just positioned at the outlet; this valve body is for forging forming, thereby reach anti-scouring, antidetonation and high pressure resistant, it realizes the zero leakage of steam to set up the filler, this valve body internals is split type with the valve body, the valve internals uses STL cobalt base carbide build-up welding, it is wear-resisting, high temperature resistant, anti-abrasion performance is good and long service life, adopt the cage structure of working, thereby the medium can step down when the valve cage and release the pressure energy and play the anti-scouring effect, the user only needs to open the valve and takes out the valve internals in the maintenance process and just can maintain the valve internals that damage inside the valve back dress and reach the operation requirement, need not cut off the valve lower line on the pipeline, need not change a whole set of valve, practice thrift the cost for the user, save maintenance time and work load.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a front view of the overall structure of the present invention.
In the figure, 1-valve body, 2-bracket, 3-inner cavity, 4-valve rod, 5-hand wheel, 6-valve body inlet, 7-valve body outlet, 8-valve rod positioning device, 801-valve seat, 802-valve flap, 9-packing gasket, 10-packing, 11-pressing device, 1101-packing pressing sleeve, 1102-packing pressing plate and 1103-fastening screw.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a novel anti-scouring stop valve, which comprises a valve body, wherein the valve body comprises a support 2 and an inner cavity 3, a valve rod 4 is inserted into the inner cavity 3, a hand wheel 5 is installed at the top end of the valve rod 4, a valve body inlet 6 and a valve body outlet 7 are arranged at the bottom of the inner cavity 3, a valve rod positioning device 8 is installed on the inner wall of the inner cavity 3, the valve rod 4 penetrates through the valve rod positioning device 8, the bottom end of the valve rod 4 extends to the joint of the valve body outlet 7 and the inner cavity 3, the valve rod positioning device 8 comprises a valve seat 801 installed on the inner wall of the inner cavity 3, a valve clack 802 is installed on the valve seat 801, a transverse packing 10 gasket 9 is installed above the valve clack, and a packing 10 is placed on the packing 10 gasket 9;
the pressing device 11 is installed at the top of the filler 10, the pressing device 11 comprises a filler pressing sleeve 1101 pressed on the filler 10, the filler pressing sleeve 1101 is connected with a filler pressing plate 1102, one end of the filler pressing plate 1102 is connected with a fastening screw 1103, and one end, far away from the filler pressing plate 1102, of the fastening screw 1103 is connected with the support 2.
Specifically, the hand wheel 5 is connected to the valve rod 4 by a bolt.
Specifically, a tooth-shaped gasket is arranged at the bottom of the valve clack 802801.
Specifically, a sleeve is inserted between the valve clack and the inner wall of the inner cavity 3.
Specifically, the filler 10 is flexible graphite.
Specifically, a valve rod 4 nut is installed between the top end of the valve rod 4 and the inner wall of the inner cavity 3, and a bearing is installed between the valve rod 4 nut and the inner wall of the inner cavity 3.
Specifically, a locking nut is arranged above the bearing, and the bearing is fixed with the valve rod 4 through the locking nut.
The working principle of the utility model is as follows: the valve body is forged. During the use, install the valve body on high pressure boiler's steam pipe, during normal use, twist hand wheel 5 and screw up valve rod 4, steam gets into again from valve body export 7 from valve body import 6 and goes out like this, when needing to maintain high pressure boiler's steam pipe, in order to prevent steam burn the staff, so need close the steam pipe, then maintain, just so need use this valve body, when closing, twist hand wheel 5 and screw up valve rod 4, make the bottom of valve rod 4 just will be located the exit, valve rod 4 links together with valve rod positioner 8, valve rod 4 upwards or moves down like this, all can take positioner all the time, positioner's setting is supporting with inner chamber 3.
The arrangement of the valve clack 802801, the valve clack and the tooth-shaped gasket is to ensure that the valve rod 4 is positioned more accurately when moving up and down, and can accurately close and open the valve body inlet 6 and the valve body outlet 7. Packing 10 on gasket 9 is to act as a seal to prevent steam from escaping. In the process, the fastening screw 1103 is screwed and fixed on the packing pressing plate 1102 and the bracket 2, so that the fastening screw 1103 presses the packing pressing plate 1102, the packing pressing plate 1102 presses the packing pressing sleeve 1101, and the packing pressing sleeve 1101 compacts and presses the packing 10, so that the packing 10 plays a sealing role, and the steam is prevented from leaking out and burning workers. Replacement of the packing 10 can likewise be effected by opening the fastening screw 1103.
This valve body is for forging forming, thereby reach anti-scouring, antidetonation and high pressure resistant, it realizes the zero leakage of steam to set up filler 10, this valve body internals is split type with the valve body, the valve internals uses STL cobalt base carbide build-up welding, it is wear-resisting, high temperature resistant, anti-abrasion performance is good and long service life, adopt the structure of lao cage formula, thereby the medium can step down when the valve cage and release the pressure energy and play the anti-scouring effect, the user only needs to open the valve and takes out the valve internals in the maintenance process and just can maintain the valve internals that damage inside the valve back dress and reach the operation requirement, need not cut off the valve lower line on the pipeline, need not change a whole set of valve, practice thrift the cost for the user, save maintenance time and work load.
The hand wheel 5 is connected with the valve rod 4 through a bolt, so that the hand wheel 5 can be detached and replaced.
The bottom of the valve clack 802801 is provided with a tooth-shaped gasket, and the valve clack 802801, the valve clack and the tooth-shaped gasket are all arranged to ensure that the valve rod 4 is positioned more accurately when moving up and down, and can accurately close and open the valve body inlet 6 and the valve body outlet 7.
The sleeve is inserted between the valve clack and the inner wall of the inner cavity 3, and plays a role in fixing the valve clack 802801 and the valve clack and simultaneously plays a role in preventing friction damage.
The packing 10 is flexible graphite, which mainly serves as a seal.
Install valve rod 4 nut between the top of valve rod 4 and the inner wall of inner chamber 3, install the bearing between the inner wall of valve rod 4 nut and inner chamber 3, the top of bearing is installed and is locked and the cap, and the bearing is fixed with valve rod 4 nut through locking and cap. This allows for more accurate use and positioning of the valve stem 4.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (7)
1. A novel anti-scouring stop valve comprises a valve body and is characterized in that the valve body comprises a support and an inner cavity, a valve rod is inserted into the inner cavity, a hand wheel is installed at the top end of the valve rod, a valve body inlet and a valve body outlet are formed in the bottom of the inner cavity, a valve rod positioning device is installed on the inner wall of the inner cavity, the valve rod penetrates through the valve rod positioning device, the bottom end of the valve rod extends to the joint of the valve body outlet and the inner cavity, the valve rod positioning device comprises a valve seat installed on the inner wall of the inner cavity, a valve clack is installed on the valve seat, a transverse packing gasket is installed above the valve clack, and packing is placed on the packing gasket;
the material pressing device is installed at the top of the filler and comprises a filler pressing sleeve pressed on the filler, the filler pressing sleeve is connected with a filler pressing plate, one end of the filler pressing plate is connected with a fastening screw rod, and one end, far away from the filler pressing plate, of the fastening screw rod is connected with the support.
2. The novel anti-scour shut-off valve of claim 1, wherein the hand wheel is connected to the valve stem by bolts.
3. The novel anti-scour shut-off valve of claim 1, wherein a toothed gasket is mounted to the bottom of the valve seat.
4. The novel anti-scour shut-off valve of claim 1, wherein a sleeve is inserted between the valve flap and the inner wall of the inner chamber.
5. The novel anti-scour shut-off valve of claim 1, wherein the filler is flexible graphite.
6. The novel anti-scour stop valve of claim 1, wherein a valve-stem nut is mounted between the top end of the valve stem and the inner wall of the inner cavity, and a bearing is mounted between the valve-stem nut and the inner wall of the inner cavity.
7. The novel anti-scour stop valve according to claim 6, wherein a locking nut is mounted above the bearing, and the bearing is fixed with the valve stem nut through the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220227215.7U CN216923207U (en) | 2022-01-27 | 2022-01-27 | Novel anti-scouring stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220227215.7U CN216923207U (en) | 2022-01-27 | 2022-01-27 | Novel anti-scouring stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923207U true CN216923207U (en) | 2022-07-08 |
Family
ID=82265039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220227215.7U Active CN216923207U (en) | 2022-01-27 | 2022-01-27 | Novel anti-scouring stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923207U (en) |
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2022
- 2022-01-27 CN CN202220227215.7U patent/CN216923207U/en active Active
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