CN208816827U - A kind of anti-leakage self sealing valve - Google Patents
A kind of anti-leakage self sealing valve Download PDFInfo
- Publication number
- CN208816827U CN208816827U CN201820941106.5U CN201820941106U CN208816827U CN 208816827 U CN208816827 U CN 208816827U CN 201820941106 U CN201820941106 U CN 201820941106U CN 208816827 U CN208816827 U CN 208816827U
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- China
- Prior art keywords
- valve
- welded
- screw rod
- wall
- valve opening
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-leakage self sealing valves, including valve body, valve seat is welded at the top of the valve body, valve opening is offered at the center of inside position of the valve seat, outlet tube is installed on the side outer wall of the valve opening, one end blackout on the outlet tube far from valve opening more has uniguide, there is screw rod at the top of the valve seat by threaded engagement connection, the outer wall of the screw rod is arranged with piston, and the bottom end of screw rod is equipped with valve plate, the top of the screw rod is welded with handwheel, sealing plate is welded at the top position of piston on the side inner wall of the valve opening, the utility model is provided with piston, valve opening, sealing plate, outlet tube and uniguide, on the one hand can effectively by valve opening air or liquid be discharged into valve body, accumulation in valve opening is reduced excessively to cause to leak outside, guarantee the normal use of valve, on the other hand pass through Piston and sealing plate further provide for the compactness between screw rod and valve body, improve leakproofness, avoid leaking outside.
Description
Technical field
The utility model belongs to valve technology field, and in particular to a kind of anti-leakage self sealing valve.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.
In the Chinese patent that the patent No. is CN201720091458.1, it is noted that a kind of anti-leakage self-closing valve door leads to
The design for crossing fixed pin and fixation hole is conducive to avoid installation when the second gasket of assembly to tilt, the first gasket, the second sealing
The design of pad, sealing ring and sealing-plug is conducive to the multi-sealed of gas, prevents from leaking, and still, above-mentioned one kind is anti-to leak outside from close
For valve closing door when used for a long time, the intracorporal air of valve or liquid can enter valve rod by the gap of screw rod, be easy to cause valve
Inside corrosion and leakage, in addition, the connection of valve and pipeline is not close, expanding with heat and contract with cold for pipeline influences the compactness of connection.
Utility model content
The purpose of this utility model is to provide a kind of anti-leakage self sealing valves, and to solve, above-mentioned one kind is anti-to leak outside from close
Valve closing door is easy the untight problem of connection of leakage and valve and pipeline.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-leakage self sealing valve, including valve
Body is welded with valve seat at the top of the valve body, valve opening, the side of the valve opening is offered at the center of inside position of the valve seat
Outlet tube is installed, one end blackout far from valve opening more has uniguide on the outlet tube, and the top of the valve seat is logical on outer wall
Crossing threaded engagement connection has screw rod, and the outer wall of the screw rod is arranged with piston, and the bottom end of screw rod is equipped with valve plate, the screw rod
Top be welded with handwheel, be welded with sealing plate at the top position of piston on the side inner wall of the valve opening.
Preferably, it is welded with support ring on the side inner wall of the uniguide, is welded on the side outer wall of the support ring
There is spring, one end far from support ring is welded with the first footstock on the spring.
Preferably, the top of the valve seat is welded with support rod, the top of the support rod at a side position of screw rod
End is welded with the second footstock.
Preferably, connecting tube is welded on the side outer wall of the valve body, one end far from valve body is welded in the connecting tube
It is connected to ring flange.
Preferably, bolt fixing hole and groove are offered on the side outer wall of the ring flange, the fixed hole position is in recessed
The side of slot.
Preferably, it is embedded with flexible glue circle at a side position of bolt fixing hole on the side outer wall of the ring flange,
The groove has been internally embedded seal washer.
The utility model compared with prior art, has the advantages that
(1) the utility model is provided with piston, valve opening, sealing plate, outlet tube and uniguide, when screw rod rotation, screw rod
Band piston gone up and down in valve opening, when piston seal performance be deteriorated when, valve body air perhaps Liquid Penetrant enter valve opening air or
Liquid enters between sealing plate and piston, and when handwheel band piston rises, the pressure between piston and sealing plate becomes smaller, air
Perhaps liquid is pressed into the first footstock of outlet tube air or liquid-driving, spring elongation, and liquid or air are pressed into valve body,
On the one hand can effectively by valve opening air or liquid be discharged into valve body, reduce accumulation in valve opening and excessively cause to leak outside, guarantee
On the other hand the normal use of valve further provides for the compactness between screw rod and valve body by piston and sealing plate, improve
Leakproofness avoids leaking outside.
(2) the utility model be provided with groove, seal washer and flexible glue circle, when in use, by valve body by ring flange with
Pipeline connection, fills in groove for gasket, and the gap of ring flange junction is reduced by gasket, leakproofness is improved, by flexible glue
On the one hand snare guarantees leakproofness when connection on bolt, avoid the screw corrosion inside bolt from loosening and leakproofness is caused to drop
Low problem, the influence of bolt, guarantees the close of connection when on the other hand reducing pipeline rising-heat contracting-cold.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is enlarged drawing at the A of the utility model；
Fig. 3 is the uniguide front view of the utility model；
Fig. 4 is the ring flange side view of the utility model；
In figure: 1- valve body, 2- valve seat, 3- valve opening, 31- outlet tube, 32- uniguide, 321- support ring, 322- spring,
The first footstock of 323-, 4- screw rod, 5- piston, 6- valve plate, 7- handwheel, 8- sealing plate, 9- support rod, the second footstock of 10-, 11- connect
Adapter tube, 12- ring flange, 121- bolt fixing hole, 122- groove, 123- seal washer, 124- flexible glue circle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: a kind of anti-leakage self sealing valve, packet
Valve body 1 is included, the top of valve body 1 is welded with valve seat 2, valve opening 3 is offered at the center of inside position of valve seat 2, outside the side of valve opening 3
Outlet tube 31 is installed on wall, plays the role of placing liquid or air leakage, one end far from valve opening 3 is dark on outlet tube 31
Turn more have uniguide 32, guarantees the effect of liquid and air flow in one direction, there is screw rod at the top of valve seat 2 by threaded engagement connection
4, the outer wall of screw rod 4 is arranged with piston 5, plays the role of piston like motion, and the bottom end of screw rod 4 is equipped with valve plate 6, screw rod 4
Top be welded with handwheel 7, be convenient for rotating valve, be welded at the top position of piston 5 on the side inner wall of valve opening 3
Sealing plate 8, further increases sealing effect.
Preferably, it is welded with support ring 321 on the side inner wall of uniguide 32, is welded on the side outer wall of support ring 321
Have a spring 322, one end on spring 322 far from support ring 321 is welded with the first footstock 323, prevent air in valve body 1 or
Person's liquid flows into valve opening 3, guarantees the one-way flow general character of air or liquid.
Further, the top of valve seat 2 is welded with support rod 9, the top of support rod 9 at a side position of screw rod 4
It is welded with the second footstock 10, further increases the stability of the support of screw rod 4.
Further, connecting tube 11, one end far from valve body 1 in connecting tube 11 are welded on the side outer wall of valve body 1
It is welded with ring flange 12, is connect convenient for valve body 1 with pipeline.
Specifically, offering bolt fixing hole 121 and groove 122 on the side outer wall of ring flange 12, fixation hole 121 is located at
The side of groove 122, groove 122 improve leakproofness.
It is worth explanation, is embedded at a side position of bolt fixing hole 121 on the side outer wall of ring flange 12 soft
Cushion rubber 124, groove 122 have been internally embedded seal washer 123, avoid bolt compresses impaired.
The working principle and process for using of the utility model: when in use, valve body 1 is connected by ring flange 12 and pipeline
It connects, gasket 123 is filled in into groove 122, by 124 sets of flexible glue circle on bolt, guarantee leakproofness when connection, reduce pipeline heat
Rise shrinkage when bolt influence connect by screw rod 4 with screwing for valve seat 2 when control valve, rotate handwheel 7, handwheel 7 send out
Dynamic screw rod 4 rotates, and screw rod 4 drives valve plate 6 to go up and down, and when screw rod 4 rotates, screw rod 4 is gone up and down in valve opening 3 with piston 5, living
Plug 5 is gone up and down in valve opening 3, when 5 leakproofness of piston is deteriorated, 1 air of valve body perhaps Liquid Penetrant enter 3 air of valve opening or
Liquid enters between sealing plate 8 and piston 5, and when handwheel 7 rises with piston 5, the pressure between piston 5 and sealing plate 8 becomes
Small, perhaps liquid is pressed into 31 air of outlet tube or the first footstock of liquid-driving 323 to air, and spring 322 stretches, liquid or
Air is pressed into valve body 1, avoids leaking outside.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of anti-leakage self sealing valve, including valve body (1), it is characterised in that: be welded with valve seat at the top of the valve body (1)
(2), it offers valve opening (3) at the center of inside position of the valve seat (2), is equipped with out on the side outer wall of the valve opening (3)
Liquid pipe (31), one end blackout on the outlet tube (31) far from valve opening (3) more have uniguide (32), the top of the valve seat (2)
Portion has screw rod (4) by threaded engagement connection, and the outer wall of the screw rod (4) is arranged with piston (5), and the bottom end peace of screw rod (4)
Equipped with valve plate (6), the top of the screw rod (4) is welded with handwheel (7), close to piston (5) on the side inner wall of the valve opening (3)
Top position at be welded with sealing plate (8).
2. a kind of anti-leakage self sealing valve according to claim 1, it is characterised in that: the side of the uniguide (32)
It is welded on inner wall support ring (321), is welded with spring (322), the spring on the side outer wall of the support ring (321)
(322) one end on far from support ring (321) is welded with the first footstock (323).
3. a kind of anti-leakage self sealing valve according to claim 1, it is characterised in that: the top of the valve seat (2) is leaned on
It is welded with support rod (9) at one side position of nearly screw rod (4), the top of the support rod (9) is welded with the second footstock (10).
4. a kind of anti-leakage self sealing valve according to claim 1, it is characterised in that: outside the side of the valve body (1)
It is welded on wall connecting tube (11), one end on the connecting tube (11) far from valve body (1) is welded with ring flange (12).
5. a kind of anti-leakage self sealing valve according to claim 4, it is characterised in that: the side of the ring flange (12)
Bolt fixing hole (121) and groove (122) are offered on outer wall, the fixation hole (121) is located at the side of groove (122).
6. a kind of anti-leakage self sealing valve according to claim 5, it is characterised in that: the side of the ring flange (12)
It is embedded with flexible glue circle (124) at a side position of bolt fixing hole (121) on outer wall, the inside of the groove (122) is embedding
Enter to have seal washer (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941106.5U CN208816827U (en) | 2018-06-19 | 2018-06-19 | A kind of anti-leakage self sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941106.5U CN208816827U (en) | 2018-06-19 | 2018-06-19 | A kind of anti-leakage self sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816827U true CN208816827U (en) | 2019-05-03 |
Family
ID=66269803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941106.5U Expired - Fee Related CN208816827U (en) | 2018-06-19 | 2018-06-19 | A kind of anti-leakage self sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816827U (en) |
-
2018
- 2018-06-19 CN CN201820941106.5U patent/CN208816827U/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: 20190503 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |