CN213628960U - Stainless steel gate valve - Google Patents
Stainless steel gate valve Download PDFInfo
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- CN213628960U CN213628960U CN202022346855.3U CN202022346855U CN213628960U CN 213628960 U CN213628960 U CN 213628960U CN 202022346855 U CN202022346855 U CN 202022346855U CN 213628960 U CN213628960 U CN 213628960U
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- valve
- stainless steel
- flashboard
- valve body
- valve rod
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Abstract
The utility model belongs to the technical field of the valve equipment technique and specifically relates to a stainless steel gate valve is related to. The utility model provides a stainless steel gate valve, which comprises a valve body, the both sides of valve body all are provided with the intake antrum, it is provided with sealed chamber to lie in between two intake antrums on the valve body, it is provided with the valve gap to correspond sealed chamber department on the valve body, sliding connection has the flashboard that lies in sealed intracavity in the valve gap, valve gap internal rotation is connected with the valve rod with flashboard matched with, the lower extreme of valve rod is provided with the regulation pole that has the external screw thread, be provided with the internal thread hole with adjusting pole threaded connection in the flashboard, be provided with the external screw thread section on the surface of the upper end of valve gap, threaded connection has the sealing nut with valve rod matched with on the external screw thread section, be. The utility model discloses can effectively eliminate the fracture hidden danger that the valve rod leads to because of external force collision, the phenomenon of leaking can not appear when using moreover.
Description
Technical Field
The utility model belongs to the technical field of the valve equipment technique and specifically relates to a stainless steel gate valve is related to.
Background
The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by contact between the valve body and the gate plate, and the sealing surface is usually coated with a metallic material to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.
The valve rod position department on the current gate valve adopts O type circle seal structure basically, and the hidden danger of leaking easily appears in the use, and the fracture phenomenon easily appears under the valve rod is in the external force striking condition moreover.
Disclosure of Invention
The utility model discloses mainly be to valve rod position department on the current gate valve adopt O type circle seal structure basically, the hidden danger of leaking easily appears in the use, and the valve rod is in the problem that phenomenon of rupture easily appears under the external force striking condition in addition, provides one kind and can effectively eliminate the hidden danger of rupture that the valve rod leads to because of external force collision, can not appear the stainless steel gate valve of phenomenon of leaking during the use moreover.
The purpose of the utility model is mainly realized by the following scheme: the utility model provides a stainless steel gate valve, includes the valve body, the both sides of valve body all be provided with the intake antrum, the valve body on lie in and be provided with sealed chamber between two intake antrums, the valve body on correspond sealed chamber department and be provided with the valve gap, valve gap sliding connection have the flashboard that is located sealed intracavity, the valve gap internal rotation be connected with flashboard matched with valve rod, the lower extreme of valve rod be provided with the regulation pole that has the external screw thread, the flashboard in be provided with and adjust pole threaded connection's internal thread hole, the surface of the upper end of valve gap on be provided with the external screw thread section, the external screw thread section on threaded connection have with valve rod matched with sealing nut, sealing nut on be provided with the through-hole with valve rod matched with, sealing nut in be provided with the internal thread groove with. The two sides of the valve body are provided with water inlet cavities, a sealing cavity is arranged between the two water inlet cavities on the valve body, a valve cover is arranged on the valve body corresponding to the sealing cavity, a flashboard positioned in the sealing cavity is connected in the valve cover in a sliding way, a valve rod matched with the flashboard is connected in the valve cover in a rotating way, the lower end of the valve rod is provided with an adjusting rod with external threads, and an internal thread hole in threaded connection with the adjusting rod is arranged in the flashboard, so that a worker can drive the flashboard to do corresponding lifting motion by rotating the valve rod through a thread structure between the adjusting rod and the flashboard, when the valve needs to be closed, the valve rod is rotated in the forward direction to drive the flashboard to move towards the direction close to the bottom of the sealing cavity, so that the flashboard can be abutted against the bottom surface wall of the sealing, the valve rod is rotated reversely, so that the flashboard can move towards the direction far away from the water inlet cavity, and water flow can smoothly circulate in the water inlet cavity; be provided with the external screw thread section on the surface of the upper end of valve gap, threaded connection has the sealing nut with valve rod matched with on the external screw thread section, sealing nut is last be provided with valve rod matched with through-hole, be provided with the internal thread groove with external screw thread section threaded connection in the sealing nut, can play better limiting displacement to the valve rod through sealing nut's setting on the one hand, can effectively solve the valve rod because of the fracture hidden danger that external force collision leads to, stability and security have greatly been improved, on the other hand also can play better sealing effect, the condition of leaking prevents to appear.
Preferably, the side walls of the water inlet cavity corresponding to the gate plates are respectively provided with a sealing inclined surface. The lateral wall that corresponds the flashboard in the water inlet cavity is provided with sealed inclined plane respectively, and when the flashboard removed the bottom in sealed cavity, the both sides wall of flashboard can support respectively on sealed inclined plane to can play the effect of effectual prevention rivers circulation.
Preferably, a sealing gasket matched with the valve rod and the valve cover is arranged on the bottom surface of the internal thread groove, and an inner hole matched with the valve rod is formed in the sealing gasket. Be provided with on the bottom surface of internal thread groove with valve rod and valve gap matched with sealed the pad, be provided with on the sealed pad with valve rod matched with hole, sealed setting up on the one hand can effectively reduce the valve rod hidden danger of leaking, on the other hand can make the staff feel when rotating the valve rod better, the condition of feeling lighter or heavier can not appear.
Preferably, a handle is arranged at one end of the valve rod far away from the valve cover. The one end of valve rod of keeping away from the valve gap is provided with the handle, and the staff of being convenient for of setting up of handle rotates the valve rod.
Preferably, the handle is fixed on the valve rod through a locking cap and a gasket. The handle is fixed on the valve rod through the lock cap and the gasket, so that the stable installation of the handle can be realized.
Preferably, the valve cover is in threaded connection with the valve body. The valve cover is in threaded connection with the valve body, and the installation is convenient.
Preferably, a first O-shaped ring is arranged at the joint of the valve cover and the valve body. The junction of valve gap and valve body is provided with first O type circle, can improve leak protection water performance.
Preferably, a second O-ring is arranged between the valve rod and the valve cover. Be provided with second O type circle between valve rod and the valve gap, the quantity of second O type circle is two to can further improve the leak protection water performance of valve rod and disk seat junction, reduce the hidden danger of leaking, and can make the user feel better when rotating the valve rod.
Preferably, the valve body, the gate plate, the valve cover, the valve rod and the sealing nut are all made of 304 stainless steel. Valve body, flashboard, valve gap, valve rod, sealing nut are 304 stainless steel, can prevent effectively that whole valve from appearing frost crack, fracture, phenomenons such as deformation, improve life.
Preferably, the side wall of the valve body, which is positioned in the sealing cavity, is provided with a guide boss corresponding to the gate plate, and the gate plate is provided with a guide groove matched with the guide boss. The valve body is located and corresponds the flashboard on the lateral wall of sealed chamber and is provided with the direction boss, be provided with on the flashboard with direction boss matched with direction recess, the direction boss cooperatees with the direction recess, can prevent on the one hand that the flashboard from taking place to deflect, on the other hand can play the effect of direction to the lifting movement of flashboard, can effectively prevent that the phenomenon of damaging from appearing in the flashboard up-and-down motion process.
Therefore, the utility model discloses a stainless steel gate valve possesses following advantage: the utility model is simple in operation, can effectively eliminate the fracture hidden danger that the valve rod leads to because of external force collision, the phenomenon of leaking can not appear when using moreover, and handle when turning handle feels better, and stability is higher, long service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the valve body of the present invention.
Fig. 3 is a top view of the shutter of the present invention.
Fig. 4 is a cross-sectional view of the gasket of the present invention.
Fig. 5 is a cross-sectional view of the sealing nut of the present invention.
Illustration of the drawings: 1-valve body, 2-flashboard, 3-first O-ring, 4-valve cover, 5-valve rod, 6-second O-ring, 7-sealing gasket, 8-sealing nut, 9-locking cap, 10-gasket, 11-handle, 12-adjusting rod, 13-internal thread hole, 14-sealing cavity, 15-water inlet cavity, 16-sealing inclined surface, 17-guiding boss, 18-guiding groove, 19-internal hole, 20-internal thread groove, 21-through hole and 22-external thread section.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3, 5, a stainless steel gate valve comprises a valve body 1, water inlet cavities 15 are arranged on both sides of the valve body 1, a sealing cavity 14 is arranged between the two water inlet cavities 15 on the valve body 1, a valve cover 4 is arranged on the valve body 1 corresponding to the sealing cavity 14, a gate plate 2 located in the sealing cavity 14 is slidably connected in the valve cover 4, a valve rod 5 matched with the gate plate 2 is rotatably connected in the valve cover 4, an adjusting rod 12 with external threads is arranged at the lower end of the valve rod 5, an internal thread hole 13 in threaded connection with the adjusting rod 12 is arranged in the gate plate 2, a worker can drive the gate plate 2 to perform corresponding lifting motion by rotating the valve rod 5 through a thread structure between the adjusting rod 12 and the gate plate 2, when the valve needs to be closed, the valve rod 5 is rotated forward to drive the adjusting rod 12 to drive the gate plate 2 to move towards the direction close to the bottom of the sealing cavity 14, so that the, the flashboard 2 can separate two originally communicated water inlet cavities 15, so that water flow cannot circulate, when the valve needs to be opened, the flashboard 2 can move in the direction away from the water inlet cavities 15 by reversely rotating the valve rod 5, and therefore the water flow can smoothly circulate in the water inlet cavities 15; be provided with external screw thread section 22 on the surface of the upper end of valve gap 4, threaded connection has the sealing nut 8 with valve rod 5 matched with on the external screw thread section 22, be provided with the through-hole 21 with valve rod 5 matched with on the sealing nut 8, be provided with the internal thread groove 20 with external screw thread section 22 threaded connection in the sealing nut 8, can play better limiting displacement to valve rod 5 on the one hand through setting up of sealing nut 8, can effectively solve the valve rod 5 because of the fracture hidden danger that external force collision leads to, stability and security have greatly been improved, on the other hand also can play better sealing effect, the condition of leaking prevents to appear.
The lateral wall that corresponds flashboard 2 in intake antrum 15 is provided with sealed inclined plane 16 respectively, and when flashboard 2 removed the bottom in sealed chamber 14, the both sides wall of flashboard 2 can support respectively on sealed inclined plane 16 to can play the effect of effectual prevention rivers circulation.
As shown in fig. 4, the bottom surface of the internal thread groove 20 is provided with a sealing gasket 7 matched with the valve rod 5 and the valve cover 4, the sealing gasket 7 is provided with an inner hole 19 matched with the valve rod 5, on one hand, the sealing gasket 7 is arranged to effectively reduce the hidden danger of water leakage of the valve rod 5, on the other hand, the hand feeling of a worker when rotating the valve rod 5 is good, and the situation of light hand feeling or heavy hand feeling cannot occur.
A handle 11 is arranged at one end of the valve rod 5 far away from the valve cover 4, and the handle 11 is convenient for workers to rotate the valve rod 5; the handle 11 is fixed to the valve stem 5 by the locking cap 9 and the spacer 10, so that stable mounting of the handle 11 can be achieved.
The valve cover 4 is in threaded connection with the valve body 1, so that the installation is convenient; the junction of valve gap 4 and valve body 1 is provided with first O type circle 3, can improve leak protection water performance.
Be provided with second O type circle 6 between valve rod 5 and valve gap 4, the quantity of second O type circle 6 is two to can further improve the leak protection water performance of valve rod 5 and disk seat junction, reduce the hidden danger of leaking, and can make the user feel better when rotating valve rod 5.
The lateral wall that is located sealed chamber 14 in the valve body 1 corresponds flashboard 2 and is provided with direction boss 17, is provided with on the flashboard 2 with direction boss 17 matched with direction recess 18, and direction boss 17 cooperatees with direction recess 18, can prevent on the one hand that flashboard 2 from taking place to deflect, and on the other hand can play the effect of direction to the lifting movement of flashboard 2, can effectively prevent that the phenomenon of damaging from appearing in the flashboard 2 up-and-down motion process.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (10)
1. A stainless steel gate valve comprises a valve body, wherein water inlet cavities are arranged on two sides of the valve body, a sealing cavity is arranged between the two water inlet cavities on the valve body, a valve cover is arranged on the valve body corresponding to the sealing cavity, it is characterized in that the valve cover is connected with a flashboard in a sliding way in the sealing cavity, the valve cover is connected with a valve rod matched with the flashboard in a rotating way, the lower end of the valve rod is provided with an adjusting rod with external threads, the flashboard is internally provided with an internal thread hole in threaded connection with the adjusting rod, the outer surface of the upper end of the valve cover is provided with an external thread section, the external thread section is in threaded connection with a sealing nut matched with the valve rod, the sealing nut is provided with a through hole matched with the valve rod, and an inner thread groove in threaded connection with the outer thread section is arranged in the sealing nut.
2. The stainless steel gate valve of claim 1, wherein the side walls of the water inlet chamber corresponding to the gate plate are respectively provided with a sealing bevel.
3. The stainless steel gate valve of claim 1, wherein the bottom surface of the internal thread groove is provided with a sealing gasket matched with the valve rod and the valve cover, and the sealing gasket is provided with an inner hole matched with the valve rod.
4. A stainless steel gate valve according to claim 1, 2 or 3, wherein a handle is provided at the end of the valve stem remote from the valve cap.
5. The stainless steel gate valve of claim 4, wherein said handle is secured to said valve stem by a locking cap and a gasket.
6. A stainless steel gate valve according to claim 1, 2 or 3, wherein said valve cover is threaded onto the valve body.
7. The stainless steel gate valve of claim 6, wherein a first O-ring is disposed at the connection between the valve cover and the valve body.
8. A stainless steel gate valve according to claim 1, 2 or 3, wherein a second O-ring is provided between the valve stem and the valve cover.
9. The stainless steel gate valve of claim 1, 2 or 3, wherein the valve body, the gate plate, the valve cap, the valve stem and the sealing nut are all made of 304 stainless steel.
10. A stainless steel gate valve according to claim 1, 2 or 3, wherein a guide boss is provided on the side wall of the seal chamber in the valve body corresponding to the gate plate, and a guide groove is provided on the gate plate to be fitted with the guide boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346855.3U CN213628960U (en) | 2020-10-20 | 2020-10-20 | Stainless steel gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346855.3U CN213628960U (en) | 2020-10-20 | 2020-10-20 | Stainless steel gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628960U true CN213628960U (en) | 2021-07-06 |
Family
ID=76621283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022346855.3U Active CN213628960U (en) | 2020-10-20 | 2020-10-20 | Stainless steel gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628960U (en) |
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2020
- 2020-10-20 CN CN202022346855.3U patent/CN213628960U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230410 Address after: 312500 No. 198, Woxi Avenue, Xinchang High tech Industrial Park, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Zhongcai Zhikong Pipeline Co.,Ltd. Address before: No. 658, East Xinchang Avenue, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHONGCAI PIPES SCIENCE & TECHNOLOGY Co.,Ltd. |