CN211315116U - Integral self-protection sealing surface structure of regulating valve - Google Patents
Integral self-protection sealing surface structure of regulating valve Download PDFInfo
- Publication number
- CN211315116U CN211315116U CN201922069345.3U CN201922069345U CN211315116U CN 211315116 U CN211315116 U CN 211315116U CN 201922069345 U CN201922069345 U CN 201922069345U CN 211315116 U CN211315116 U CN 211315116U
- Authority
- CN
- China
- Prior art keywords
- valve
- case
- sealing surface
- protection device
- valve core
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
- Sliding Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses an integral self preservation of governing valve protects sealed face structure, a serial communication port, including valve rod, sleeve, case, disk seat, valve gap and valve body, the valve body is inside to be equipped with the disk seat bottom, and the case is established in the valve body, disk seat upper portion, and the lower extreme of valve rod passes the valve gap and stretches into and be connected with the case in the valve body, and case outside fixedly connected with case protection device, the case protection device outside are equipped with the sleeve. The utility model discloses reduced the medium and to the sealed direct scouring action of face of case, effectively reduced the medium to the erosion and the wearing and tearing of sealed face to reduce the frequency of the restoration or the change of the sealed face of case, increase of service life has also reduced the cost of maintenance economically.
Description
Technical Field
The utility model relates to an integral self preservation of governing valve protects sealed face structure involves a governing valve self preservation that reduces erosion and abrasion and protects sealed face structure, belongs to processing engineering and valve field.
Background
The existing regulating valve comprises a valve body, a valve seat, a valve core, a sleeve, a valve rod and the like (figure 1), wherein the valve core acts on the valve seat to play a sealing role, the valve core does not have a peripheral protection device, a medium directly scours and acts on a valve core sealing surface (figure 2) in the opening and closing processes and then flows out through the sleeve, after long-term use, the medium can generate more serious erosion and abrasion on the sealing surfaces of the valve core and the valve seat, the tightness is reduced, the frequency of repairing the valve core sealing surface or replacing a new valve core is higher, and the repairing of the sealing surface is a large and important work. The latter solution must then be able to solve this problem.
The valve core of the existing regulating valve has no peripheral protection device, and when a medium flows into a valve cavity from an inlet of the valve body in the opening or closing process of the valve, the medium is directly washed on a sealing surface of the valve core and then flows out of the valve body through a sleeve. Because the medium directly acts on the valve core sealing surface, the medium can cause more serious erosion and abrasion to the sealing surface, the valve core sealing surface is easy to damage, the tightness is reduced, the frequency of repairing or replacing the valve core sealing surface is higher, the service cycle is shorter, the quantity of the repaired valve core sealing surface is large and important engineering, and the maintenance cost is increased economically. The improved technical scheme is that a protection device is added on the periphery of the valve core, and the structure can effectively protect the sealing surface of the valve core and reduce the direct erosion and abrasion of the sealing surface of the valve core by media.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to better protect the valve core from being washed away by fluid.
In order to solve the technical problem, the technical scheme of the utility model provide an integral self preservation of governing valve protects sealed face structure, a serial communication port, including valve rod, sleeve, case, disk seat, valve gap and valve body, the valve body is inside to be equipped with the disk seat bottom, and the case is established in the valve body, disk seat upper portion, and the lower extreme of valve rod passes the valve gap and stretches into to be connected with the case in the valve body, and case outside fixedly connected with case protection device, the case protection device outside is equipped with the sleeve.
Preferably, a guide structure is arranged at the position where the valve core protection device contacts the valve seat, the guide structure is formed by a groove formed by a protrusion and a sleeve at the position where the valve seat contacts the valve core, and the bottom end of the valve core protection device is arranged in the groove.
Compared with the prior art, the utility model discloses on current structure basis, add a self preservation in the case periphery and protect sealed face device, the self preservation protects the device and makes the integral type with the case. Compared with a split structure, the integral structure has fewer parts, is simple in structure, can reduce assembly errors and is easy to assemble; the processing is simple, and the cost is saved; parts are easy to replace during maintenance; the integral structure can effectively reduce the height of the middle cavity of the valve body, the spatial position of the spring does not need to be reserved, and the weight of the valve is reduced.
The structure reduces the direct scouring action of the medium on the sealing surface of the valve core, and effectively reduces the erosion and abrasion of the medium on the sealing surface, thereby reducing the frequency of repairing or replacing the sealing surface of the valve core, prolonging the service cycle and reducing the maintenance cost economically.
Drawings
Fig. 1 is a schematic structural diagram of a conventional regulating valve.
Fig. 2 is a schematic diagram of the operation of the conventional medium.
Fig. 3 is a schematic view of the structure of the present invention.
Fig. 4 is a schematic diagram of the operation of the present invention with medium.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 3, the utility model discloses integral self preservation of governing valve protects sealed face structure, including valve rod 1, sleeve 2, case 3, disk seat 4, valve gap 6 and valve body 5, valve body 5 is inside be disk seat 4 bottom, case 3 is established in valve body 5, 4 upper portions of disk seat, the lower extreme of valve rod 1 passes valve gap 6 and stretches into and be connected with case 3 in the valve body 5, the case 3 outside is equipped with fixed connection's case protection device 7, the case protection device 7 outside is equipped with sleeve 2, the modified key of its structural design lies in, case 3 periphery sets up a case protection device 7, case protection device 7 and 3 designs formula as an organic whole with case, case protection device 7 and disk seat 4 contact place position are equipped with guide structure, guide structure is protruding and sleeve 2 of disk seat 4 and 3 contact department, the inslot is located to case protection device 7's bottom.
In the using process, the valve core protection device 7 is arranged on the periphery of the sealing surface of the valve seat 4 when the valve is closed, the valve core protection device 7 can play a role in guiding in the opening and closing process, and the guiding structure on the valve core protection device 7 has a multi-stage throttling function when the valve is not completely opened; when the valve is just opened, no medium flows through the sealing surface of the valve core 3 because the peripheral valve core protection device 7 is not opened yet, so that no medium acting force is scoured on the sealing surface, and no erosive wear effect is generated on the sealing surface; with the continuous opening of the valve, the valve rod 1 drives the valve core 3, then the valve core 3 drives the valve core protection device 7 to continuously open, when the bottommost end of the protection device reaches the opening of the sleeve 2, a medium starts to flow out of the valve core protection device 7, and at the moment, the peripheral guide structure of the valve core protection device 7 has a multi-stage throttling function and can play a role in multi-stage pressure reduction; with further opening of the valve, the medium acts directly on the valve element protection 7 and then flows out through the sleeve 2, as shown in fig. 4, without a direct flushing action on the sealing surface of the valve element 3, but instead on the protection. Therefore, the erosion and abrasion of the sealing surface of the valve core 3 by the medium can be effectively reduced, and the effect of protecting the sealing surface is achieved.
In the process of closing the valve, the valve core 3 is positioned in the valve core protection device 7 at the beginning, the medium is not directly washed on the sealing surface, and the erosion and abrasion action on the sealing surface is avoided, so that the sealing surface of the valve core 3 can be effectively protected; when the valve core protection device 7 is closed to a position below the opening of the sleeve 2 along with the further closing of the valve, the medium does not flow out any more, the valve core 3 is continuously closed, and no medium scouring acts on the sealing surface. Therefore, the protection structure can play a role in protecting the sealing surface, prolong the service life of the valve core 3 and reduce the frequency of repairing or replacing the valve core 3.
Claims (2)
1. The integral self-protection sealing surface structure of the regulating valve is characterized by comprising a valve rod, a sleeve, a valve core, a valve seat, a valve cover and a valve body, wherein the valve seat is arranged at the lowest end inside the valve body, the valve core is arranged in the valve body and on the upper part of the valve seat, the lower end of the valve rod penetrates through the valve cover to stretch into the valve body to be connected with the valve core, a valve core protection device is fixedly connected to the outer side of the valve core, and the sleeve is.
2. The unitary self-protecting sealing surface structure of the regulating valve as claimed in claim 1, wherein the valve plug protecting means is provided with a guiding structure at a position where it contacts the valve seat, the guiding structure is formed by a protrusion and a sleeve at a position where the valve seat contacts the valve plug, and the bottom end of the valve plug protecting means is provided in a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069345.3U CN211315116U (en) | 2019-11-26 | 2019-11-26 | Integral self-protection sealing surface structure of regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069345.3U CN211315116U (en) | 2019-11-26 | 2019-11-26 | Integral self-protection sealing surface structure of regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315116U true CN211315116U (en) | 2020-08-21 |
Family
ID=72058824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922069345.3U Active CN211315116U (en) | 2019-11-26 | 2019-11-26 | Integral self-protection sealing surface structure of regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805697A (en) * | 2019-11-26 | 2020-02-18 | 上海发电设备成套设计研究院有限责任公司 | Integral self-protection sealing surface structure of regulating valve |
-
2019
- 2019-11-26 CN CN201922069345.3U patent/CN211315116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805697A (en) * | 2019-11-26 | 2020-02-18 | 上海发电设备成套设计研究院有限责任公司 | Integral self-protection sealing surface structure of regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201568591U (en) | Composite stop valve with double valve cores | |
| CN106704618B (en) | High-performance gate valve | |
| CN110805697A (en) | Integral self-protection sealing surface structure of regulating valve | |
| CN211315116U (en) | Integral self-protection sealing surface structure of regulating valve | |
| CN211315181U (en) | Split type self-protection sealing surface structure of regulating valve | |
| CN203500596U (en) | Hard-and-soft sealing structure of valve flap of spring type safety valve | |
| CN110805713A (en) | Split type self preservation of governing valve protects sealed face structure | |
| CN206017899U (en) | A kind of lift check valve | |
| CN106286857A (en) | A kind of New-type boiler continuous blowdown regulation valve | |
| CN109027274B (en) | Bimetal seal elastic anti-scouring structure and stop valve thereof | |
| CN203548966U (en) | Sand-preventing fracture gate valve | |
| CN109611575A (en) | A kind of wear-resisting accurate adjustment ball valve of square hole runner | |
| CN212775612U (en) | Ball cage valve with protective effect | |
| CN202001031U (en) | Plug-in mounting type small-flow hard sealing reversing valve | |
| CN204573226U (en) | A kind of main steam safety valve | |
| CN207364321U (en) | A kind of hard seal ball valve | |
| CN216382683U (en) | Minimum flow valve resistant to scouring | |
| CN111550568A (en) | Erosion-resistant sealing structure of regulating valve | |
| CN203442183U (en) | Anti-sand valve | |
| CN215568231U (en) | Safety valve for natural gas boiler | |
| CN213271085U (en) | Non-rising stem elastic seat seal gate valve | |
| CN202768843U (en) | Sand erosion resistant water turbine main shaft seal mechanism | |
| CN206708414U (en) | Gate valve | |
| CN205605840U (en) | Water faucet valve core | |
| CN218780770U (en) | Compound seal oxygen stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |