CN212155843U - Stop valve spool with anti-separation sealing rubber gasket in movable part - Google Patents
Stop valve spool with anti-separation sealing rubber gasket in movable part Download PDFInfo
- Publication number
- CN212155843U CN212155843U CN202020462722.XU CN202020462722U CN212155843U CN 212155843 U CN212155843 U CN 212155843U CN 202020462722 U CN202020462722 U CN 202020462722U CN 212155843 U CN212155843 U CN 212155843U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing rubber
- rubber gasket
- sealing
- movable part
- 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
- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of stop valves, and discloses a stop valve core with a movable part in which a sealing rubber pad is prevented from being separated, which comprises a movable part, a sealing rubber pad and a fastener; the sealing rubber gasket is fixed at the lower end of the movable piece through a fastener; the lower end of the movable piece is provided with a sealing hole with a downward opening, and the upper end of the sealing rubber pad is matched with the sealing hole and is arranged in the sealing hole; be equipped with first ring channel on the inside wall in sealed hole, the upper end of sealed cushion is equipped with the bulge loop with first ring channel adaptation. The utility model discloses a stop valve case can prevent effectively that sealed cushion from following the sealed downthehole unilateral deviating from because of skew and deformation under the water impact to the problem of leaking appears on one side that sealed cushion deviates from when avoiding the stop valve to close.
Description
Technical Field
The utility model relates to a stop valve technical field especially relates to a stop valve case that deviates from is prevented to sealed cushion in movable piece.
Background
The stop valve is also called as a stop valve, and the sealing is realized by applying torque to a valve rod and applying pressure to a valve clack by the valve rod in the axial direction, so that a sealing surface of the valve clack is tightly attached to a sealing surface of a valve seat, and a medium is prevented from leaking along a gap between the sealing surfaces. The stop valve has the advantages of small friction force between sealing surfaces in the opening and closing process, durability, small opening height, easy manufacture and convenient maintenance, and is suitable for medium and low pressure as well as high pressure.
Chinese patent publication No. CN206290731U discloses a stop valve, which comprises a valve body having a water inlet and a water outlet, a valve rod rotatably connected in the valve body, a valve core and a sealing pad slidably connected in the valve body, a water passing hole for communicating the water inlet and the water outlet in the valve body, the valve core having a connecting hole, an outer peripheral wall of the inner end of the valve rod being in threaded connection with an inner wall of the connecting hole, characterized in that a columnar portion is provided on a bottom surface of the connecting hole, a avoiding groove is formed between the outer peripheral wall of the columnar portion and the inner wall of the connecting hole, the sealing pad being fixedly connected to an end surface of the valve core by a screw, and an end of the screw extending into the columnar portion, the avoiding hole being provided on an end surface of the inner end of the valve rod, the valve core being capable of being driven to move forward and the sealing pad being pressed against an orifice edge of the water passing hole when the valve rod rotates, and the columnar part is inserted into the avoiding hole. In the stop valve structure, the sealing gasket is fixedly connected to the end face of the valve core through a screw, and under the action of long-term water pressure, the sealing gasket is easy to shift and deform to one side, and then the sealing gasket is separated from the groove in the end face of the valve core at one side, so that the water leakage phenomenon is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a stop valve case that deviates from is prevented to sealed cushion in movable piece. It can prevent effectively that sealed cushion from following unilateral and deviating from in the sealing hole because of skew and deformation under the rivers impact to the problem of leaking appears on one side that sealed cushion deviates from when avoiding the stop valve to close.
The utility model discloses a concrete technical scheme does:
a stop valve core with a sealing rubber pad in a movable part for preventing the stop valve core from falling off comprises a movable part, a sealing rubber pad and a fastening piece; the lower end of the movable piece is provided with a sealing hole with a downward opening, the upper end of the sealing rubber pad is matched with the sealing hole and is arranged in the sealing hole, and the sealing rubber pad is fixedly connected with the sealing hole through a fastening piece; be equipped with first ring channel on the inside wall in sealed hole, the upper end of sealed cushion is equipped with the bulge loop with first ring channel adaptation.
In prior art, the sealing rubber pad upper end imbeds in the sealing hole of moving part lower extreme, and the inner wall in sealing hole is straight, because when the stop valve was opened, the direct and rivers contact of sealing rubber pad, under long-term rivers impact, sealing rubber pad extremely easily squints and warp to one side, and then deviates from the unilateral in the sealing hole, when leading to the stop valve to close, the phenomenon of leaking appears on one side that sealing rubber pad deviates from. And the utility model discloses an among the stop valve case structure, through setting up first ring channel at sealed downthehole wall to set up the bulge loop with first ring channel adaptation in sealed cushion upper end, during the installation, install the bulge loop in first ring channel, can prevent effectively that sealed cushion from deviating to one side and warping the back and following the unilateral departure in the seal hole, thereby solve the hidden danger of leaking.
Preferably, the first annular groove is arranged at the bottom of the sealing hole; the convex ring is arranged at the top end of the sealing rubber gasket.
Preferably, the fastener is a screw; the screw passes through the sealing rubber gasket and is in threaded connection with the movable piece.
Preferably, a plurality of end face teeth are arranged on one face, attached to the sealing rubber gasket, of the screw head; the face teeth are helical teeth.
When the screw is screwed up, in the terminal surface tooth embedding sealed cushion, because the terminal surface tooth is skewed tooth, non-parallel diameter direction, so when stop valve opened, sealed cushion received rivers impact, the terminal surface tooth can produce the resistance to the skew of sealed cushion, stops the skew and the deformation of sealed cushion, and then prevents sealed cushion from following the unilateral departure in the sealed hole, appears the problem of leaking when avoiding the stop valve to close.
Preferably, the fastener is bonded with the sealing rubber pad and the movable piece through anaerobic glue.
Anaerobic adhesive is liquid when contacting with the air, after fastener twists sealed cushion and moving part, is extruded at the air of its contact position, the anaerobic environment appears, and anaerobic adhesive solidifies fast, forms firm bonding between fastener and sealed cushion and moving part. The utility model discloses a stop valve can prevent that shipment in-process fastener is not hard up and lead to sealed cushion to drop through this kind of mode.
Preferably, the valve core of the stop valve further comprises a valve cover, a valve rod and a handle; the upper end of the movable piece is provided with a connecting hole with an upward opening, and the inner side wall of the connecting hole is in threaded connection with the outer peripheral wall of the lower end of the valve rod; the lower end of the valve rod and the upper end of the movable piece are arranged in the valve cover; the upper end of the valve rod penetrates through the upper end of the valve cover and is connected with the handle; the lower end of the movable piece penetrates through the lower end of the valve cover.
Preferably, a positioning boss surrounding the valve rod is arranged on the valve rod; the upper end face of the positioning boss is in contact with the inner top face of the valve cover.
Preferably, a second annular groove is formed in the valve rod, a clamp spring is embedded in the second annular groove, and the part, protruding out of the second annular groove, of the clamp spring is in contact with the upper end face of the valve cover.
The positioning boss on the valve rod and the snap spring embedded on the valve rod are respectively arranged on the inner top surface and the upper end surface of the valve cover, and the positioning boss and the snap spring are matched to prevent the valve cover and the valve rod from generating axial relative displacement.
Preferably, a friction ring is arranged between the upper end face of the positioning boss and the inner top face of the valve cover.
When the handle is screwed to enable the valve rod to rotate, friction can be generated between the upper end face of the positioning boss and the inner top face of the valve cover, friction between the upper end face of the positioning boss and the inner top face of the valve cover can be reduced due to the arrangement of the friction ring, so that noise generated when the stop valve works is reduced, abrasion between the upper end face of the positioning boss and the inner top face of the valve cover can be reduced, water is prevented from leaking from an upper end opening of the valve cover (namely, the position of the valve rod.
Preferably, the peripheral wall of the positioning boss is in contact with the inner wall of the valve cover; a first O-shaped ring is arranged between the positioning boss and the valve cover.
The first O-shaped ring can play a sealing role and prevent water from leaking from an opening at the upper end of the valve cover (namely the position of the valve rod penetrating through the upper end of the valve cover).
Compared with the prior art, the utility model has the advantages of it is following:
(1) through the arrangement of the first annular groove on the movable part, the convex ring on the sealing rubber gasket and the arrangement of the end face teeth at the head part of the screw, the sealing rubber gasket can be effectively prevented from being separated from one side in the sealing hole due to deviation and deformation under the impact of water flow, so that the problem of water leakage when the stop valve is closed is avoided;
(2) firm adhesion is formed among the fastening piece, the sealing rubber pad and the moving piece through the anaerobic adhesive, so that the sealing rubber pad can be prevented from falling off due to loosening of the fastening piece in the shipping process;
(3) through the setting of friction ring and first O type circle, can prevent that water from leaking from the upper end opening part of valve gap (promptly the valve rod passes the position of valve gap upper end).
Drawings
Fig. 1 is a schematic structural view of the present invention; wherein, 5-2 marks the groove shielded by the spring;
FIG. 2 is an exploded view of the connecting structure of the movable member and the sealing rubber pad of the present invention;
FIG. 3 is a schematic view of a fastener of the present invention;
fig. 4 is a bottom view of fig. 3.
The reference signs are: the sealing structure comprises a movable piece 1, a sealing hole 1-1, a first annular groove 1-1, a connecting hole 1-2, a sealing rubber gasket 2, a convex ring 2-1, a fastening piece 3, end face teeth 3-1, a valve cover 4, a valve rod 5, a positioning boss 5-1, a third annular groove 5-1, a second annular groove 5-2, a handle 6, a clamp spring 7, a friction ring 8, a first O-shaped ring 9 and a second O-shaped ring 10.
Detailed Description
The present invention will be further described with reference to the following examples. The devices, connections, and methods referred to in this disclosure are those known in the art, unless otherwise indicated.
As shown in fig. 1, a stop valve core with a sealing rubber pad in a movable part for preventing the separation of the sealing rubber pad comprises a movable part 1, a sealing rubber pad 2, a fastener 3, a valve cover 4, a valve rod 5 and a handle 6; the fastener 3 is a screw.
As shown in fig. 2, the lower end of the moving member 1 is provided with a sealing hole 1-1 with a downward opening, and the upper end of the sealing rubber pad 2 is adapted to the sealing hole 1-1 and is disposed in the sealing hole 1-1. A first annular groove 1-1-1 is arranged on the inner side wall of the sealing hole 1-1, and the first annular groove 1-1-1 is positioned at the bottom of the sealing hole 1-1; the top end of the sealing rubber gasket 2 is provided with a convex ring 2-1 matched with the first annular groove 1-1-1. The convex ring 2-1 is clamped into the first annular groove 1-1-1, and the sealing rubber pad 2 is connected with the moving part 1 in a clamping manner.
The sealing rubber pad 2 is fixedly connected with the sealing hole 1-1 through a fastener 3, namely a screw, and the screw penetrates through the sealing rubber pad 2 and is embedded into the moving part 1 to be in threaded connection with the moving part 1. As shown in fig. 3 and 4, the screw head is provided with a circle of face teeth 3-1 on the side which is jointed with the sealing rubber pad 2, and the face teeth 3-1 are oblique teeth. The screw is bonded with the sealing rubber pad 2 and the moving part 1 through anaerobic glue.
The upper end of the movable piece 1 is provided with a connecting hole 1-2 with an upward opening, and the inner side wall of the connecting hole 1-2 is in threaded connection with the outer peripheral wall of the lower end of the valve rod 5. The lower end of the valve rod 5 and the upper end of the movable piece 1 are arranged in the valve cover 4; the upper end of the valve rod 5 passes through the upper end of the valve cover 4 and is connected with the handle 6; the lower end of the movable piece 1 penetrates through the lower end of the valve cover 4.
The valve rod 5 is provided with a second annular groove 5-2, a clamp spring 7 is embedded in the second annular groove 5-2, and the part of the clamp spring 7 protruding out of the second annular groove 5-2 is in contact with the upper end face of the valve cover 4.
The valve rod 5 is provided with a positioning boss 5-1 surrounding the valve rod 5, the upper end face of the positioning boss 5-1 is contacted with the inner top face of the valve cover 4, and a friction ring 8 is arranged between the positioning boss 5 and the valve cover. The outer peripheral wall of the positioning boss 5-1 is in contact with the inner wall of the valve cover 4, two third annular grooves 5-1-1 are formed in the positioning boss 5-1, a first O-shaped ring 9 is installed in each third annular groove 5-1-1, the inner ring of each first O-shaped ring 9 is attached to the corresponding third annular groove 5-1-1, and the outer ring of each first O-shaped ring 9 is attached to the valve cover 4.
The outer peripheral wall of the lower end of the valve cover 4 is provided with threads for connecting the valve core of the stop valve with the valve body; the lower end of the valve cover 4 is also provided with a second O-shaped ring 10 for realizing the sealing between the valve cover 4 and the valve body.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform of doing to above embodiment the utility model discloses technical scheme's protection scope.
Claims (10)
1. A stop valve spool with a sealing rubber pad in a movable part for preventing the separation is characterized by comprising a movable part (1), a sealing rubber pad (2) and a fastener (3); the lower end of the moving part (1) is provided with a sealing hole (1-1) with a downward opening, the upper end of the sealing rubber gasket (2) is matched with the sealing hole (1-1) and is arranged in the sealing hole (1-1), and the sealing rubber gasket (2) is fixedly connected with the sealing hole (1-1) through a fastener (3); the inner side wall of the sealing hole (1-1) is provided with a first annular groove (1-1-1), and the upper end of the sealing rubber gasket (2) is provided with a convex ring (2-1) matched with the first annular groove (1-1-1).
2. The spool of the stop valve with the sealing rubber gasket in the movable part preventing the separation as claimed in claim 1, wherein the first annular groove (1-1-1) is arranged at the bottom of the sealing hole (1-1); the convex ring (2-1) is arranged at the top end of the sealing rubber mat (2).
3. The stop valve core of claim 1, wherein the fastener (3) is a screw; the screw penetrates through the sealing rubber gasket (2) and is in threaded connection with the moving piece (1).
4. The valve core of the stop valve with the movable part provided with the sealing rubber gasket and preventing the movable part from falling off as claimed in claim 3, wherein the screw head is provided with a plurality of end face teeth (3-1) on one face attached to the sealing rubber gasket (2); the face teeth (3-1) are helical teeth.
5. The valve core of the stop valve with the sealing rubber gasket in the movable part prevented from being separated according to claim 1, characterized in that the fastening piece (3) is bonded with the sealing rubber gasket (2) and the movable part (1) through anaerobic glue.
6. The valve core of the stop valve with the sealing rubber gasket in the movable part preventing the valve core from falling off as claimed in claim 1, further comprising a valve cover (4), a valve rod (5) and a handle (6); the upper end of the movable piece (1) is provided with a connecting hole (1-2) with an upward opening, and the inner side wall of the connecting hole (1-2) is in threaded connection with the outer peripheral wall of the lower end of the valve rod (5); the lower end of the valve rod (5) and the upper end of the movable piece (1) are arranged in the valve cover (4); the upper end of the valve rod (5) penetrates through the upper end of the valve cover (4) and is connected with the handle (6); the lower end of the movable piece (1) penetrates through the lower end of the valve cover (4).
7. The valve core of the stop valve with the sealing rubber gasket in the movable part prevented from being removed as claimed in claim 6, characterized in that a positioning boss (5-1) surrounding the valve rod (5) is arranged on the valve rod (5); the upper end surface of the positioning boss (5-1) is contacted with the inner top surface of the valve cover (4).
8. The valve core of the stop valve with the movable medium sealing rubber gasket prevented from being separated as claimed in claim 6, wherein a second annular groove (5-2) is formed in the valve rod (5), a clamp spring (7) is embedded in the second annular groove (5-2), and a part of the clamp spring (7) protruding out of the second annular groove (5-2) is in contact with the upper end face of the valve cover (4).
9. The spool of the stop valve with the sealing rubber gasket in the movable part preventing the separation of the spool according to claim 7 is characterized in that a friction ring (8) is arranged between the upper end surface of the positioning boss (5-1) and the inner top surface of the valve cover (4).
10. The spool of the stop valve with the sealing rubber gasket in the movable part preventing the drop-out of the valve core as claimed in claim 7, wherein the peripheral wall of the positioning boss (5-1) is in contact with the inner wall of the valve cover (4); a first O-shaped ring (9) is arranged between the positioning boss (5-1) and the valve cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462722.XU CN212155843U (en) | 2020-04-01 | 2020-04-01 | Stop valve spool with anti-separation sealing rubber gasket in movable part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462722.XU CN212155843U (en) | 2020-04-01 | 2020-04-01 | Stop valve spool with anti-separation sealing rubber gasket in movable part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155843U true CN212155843U (en) | 2020-12-15 |
Family
ID=73724794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020462722.XU Active CN212155843U (en) | 2020-04-01 | 2020-04-01 | Stop valve spool with anti-separation sealing rubber gasket in movable part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155843U (en) |
-
2020
- 2020-04-01 CN CN202020462722.XU patent/CN212155843U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090212248A1 (en) | Solenoid-actuated diaphragm valve | |
| CN107631045B (en) | Control mechanism for sealing water valve and sealing water valve | |
| CN213271188U (en) | Safety relief valve | |
| CN107575615B (en) | Water tap | |
| CN212155843U (en) | Stop valve spool with anti-separation sealing rubber gasket in movable part | |
| CN110296238B (en) | One-way valve structure | |
| CN215487978U (en) | Micro-leakage prevention gate valve | |
| CN108167455A (en) | A kind of bidirectional sealed butterfly valve using rubber valve seat structure | |
| CN216768394U (en) | Back pressure valve | |
| CN214008141U (en) | Fixed ball valve with sealing structure | |
| CN216555372U (en) | High-temperature and high-pressure stop valve with high sealing performance | |
| CN213332552U (en) | Simple axial flow type one-way valve | |
| CN205605893U (en) | Take check valve formula ball valve | |
| CN108458141B (en) | Manual pressure release type check valve | |
| CN114151587A (en) | Fluid pressure regulating valve | |
| CN207975268U (en) | Using the bidirectional sealed butterfly valve of rubber valve seat structure | |
| CN205446752U (en) | Valve clack of check valve and this check valve adoption | |
| CN214466358U (en) | Double check type stop valve | |
| CN216555526U (en) | Stop valve with lock and non return structure | |
| CN111336267A (en) | Anti-locking stop valve | |
| CN210859909U (en) | Check valve component with improved structure | |
| CN215445190U (en) | Check valve with low pressure loss | |
| CN220060650U (en) | One-way valve | |
| CN220416332U (en) | One-way pressure control valve capable of preventing valve core from adhesion | |
| CN220037454U (en) | Stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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. |