CN106763930A - A kind of large-scale pneumatic check valve - Google Patents
A kind of large-scale pneumatic check valve Download PDFInfo
- Publication number
- CN106763930A CN106763930A CN201611163064.9A CN201611163064A CN106763930A CN 106763930 A CN106763930 A CN 106763930A CN 201611163064 A CN201611163064 A CN 201611163064A CN 106763930 A CN106763930 A CN 106763930A
- Authority
- CN
- China
- Prior art keywords
- piston plate
- valve body
- valve seat
- valve
- axle
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention provides a kind of large-scale pneumatic check valve, including valve body, valve seat, fixed block, fixed cover, bushing, piston plate and axle, it is characterised in that：Mounting blocks are provided with described valve body, and mounting hole is provided with mounting blocks, fastening block, cushion pad are provided with described valve seat, described fixed block is arranged in valve body, described fixation is set in fixed block, described bushing is arranged in valve seat, described piston plate is arranged in valve body, and piston plate is flexibly connected with valve seat, described axle one end passes through fixed cover, valve body, the other end is arranged in bushing after passing through piston plate, and attaching nut, clamp nut are respectively arranged with the axle of piston plate both sides.By fastening block be connected valve seat with valve body by the present invention, and sealing ring is provided between valve seat and valve body, and the bonding strength between valve seat and valve body is not only improved, strengthen the capability and performance of check valve, also the sealing between valve seat and valve body can be improved, the anti-pressure ability of check valve is improved.
Description
Technical field
The present invention relates to a kind of check valve, specifically a kind of large-scale pneumatic check valve.
Background technology
Raising with the awareness of safety and laws and regulations of people to safety requirements, check valve has increasingly been used for respectively
In the pipeline of industry, to ensure production stabilization and safety in production needs.Although the species of current check valve has many kinds, but makes
Such-and-such problem is constantly present during.Such as the patent disclosure check valve of Application No. 201310642099.0, its
Solve the problems, such as that sealing is not good, but there is that small volume, bearing capacity be not high, throughput is smaller, ineffective ask
Topic.
The content of the invention
The purpose of the present invention is directed to the small volume of existing Pneumatic check valve presence, bearing capacity is not high, throughput is smaller, work
Make the low problem of efficiency, there is provided a kind of security performance is high, throughput big, high working efficiency, bearing capacity are strong, long service life big
Type Pneumatic check valve.
Present invention solves the technical problem that the technical scheme taken is：
A kind of large-scale pneumatic check valve, including valve body, valve seat, fixed block, fixed cover, bushing, piston plate and axle, its feature exist
In：Mounting blocks are provided with described valve body, and mounting hole is provided with mounting blocks, fastening is provided with described valve seat
Block, cushion pad, and valve seat is connected by fastening block with valve body, described fixed block is arranged in valve body, and on fixed block
Exhaust outlet is provided with, described fixation is set in fixed block, and fixture block is provided with fixed cover, described bushing is set
In valve seat, described piston plate is arranged in valve body, and piston plate is flexibly connected with valve seat, and described axle one end is through admittedly
Fixed set, valve body, the other end is arranged in bushing after passing through piston plate, and connection spiral shell is respectively arranged with the axle of piston plate both sides
Female, clamp nut, valve seat is connected by fastening block with valve body, and sealing ring is provided between valve seat and valve body, can not only
The bonding strength between valve seat and valve body is enough improved, strengthens the capability and performance of check valve, can also improved between valve seat and valve body
Sealing, improves the anti-pressure ability of check valve, and cushion pad is provided with valve seat, by cushion pad piston plate can be avoided downward
Directly contacted with valve seat in motion process, reduce the damage to piston plate, the service life of piston plate is extended, in piston plate
Attaching nut, clamp nut are respectively arranged with the axle of both sides, and sealing strip is provided between piston plate and axle, not only improved
Bonding strength between piston plate and axle, can also improve the sealing between piston plate and axle, further enhance check valve
Capability and performance, improves the throughput of check valve, improves operating efficiency, and fixation is set in fixed block, and on fixed cover
Fixture block is provided with, avoids fixed cover from being moved up and down with axle by fixture block, improve stability of the fixed cover in fixed block, and then
Improve the stability during non-return valve operational.
Sealing ring is provided between described valve seat and valve body.
Air inlet is provided with described valve seat.
Described piston plate is set to arcuate structure, and sealing strip is provided between piston plate and axle.
Described cushion pad, its section is set to any one structure in L-shaped, T-shaped, U-shaped or arc.
Beneficial effect：By fastening block be connected valve seat with valve body by the present invention, and is provided between valve seat and valve body close
Seal, can not only improve the bonding strength between valve seat and valve body, strengthen the capability and performance of check valve, can also improve valve seat with
Sealing between valve body, improves the anti-pressure ability of check valve, and cushion pad is provided with valve seat, can be avoided by cushion pad
Piston plate is directly contacted during moving downward with valve seat, reduces the damage to piston plate, extends the use longevity of piston plate
Life, is respectively arranged with attaching nut, clamp nut, and sealing is provided between piston plate and axle on the axle of piston plate both sides
Bar, not only increases the bonding strength between piston plate and axle, can also improve the sealing between piston plate and axle, further increases
The capability and performance of strong check valve, improves the throughput of check valve, improves operating efficiency, and fixation is set in fixed block, and
Fixture block is provided with fixed cover, avoids fixed cover from being moved up and down with axle by fixture block, improve fixed cover in fixed block
Stability, and then improve the stability during non-return valve operational.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is close-up schematic view of the invention, illustrates the attachment structure of valve body and valve seat.
Fig. 3 is close-up schematic view of the invention, illustrates the attachment structure of fixed cover and axle.
Fig. 4 is close-up schematic view of the invention, illustrates the attachment structure of piston plate and axle.
In figure：1. valve body, 2. valve seat, 3. fixed block, 4. fixed cover, 5. bushing, 6. piston plate, 7. axle, 8. mounting blocks, 9.
Mounting hole, 10. fastening block, 11. sealing rings, 12. cushion pads, 13. air inlets, 14. exhaust outlets, 15. fixture blocks, 16. attaching nuts,
17. clamp nuts, 18. sealing strips.
Specific embodiment
The present invention is described in detail below with reference to accompanying drawing.
As shown in accompanying drawing 1-4, a kind of large-scale pneumatic check valve, including valve body 1, valve seat 2, fixed block 3, fixed cover 4, bushing
5th, piston plate 6 and axle 7, it is characterised in that：Mounting blocks 8 are provided with described valve body 1, and installation is provided with mounting blocks 8
Hole 9, the installation of check valve is not only convenient for by mounting blocks 8, mounting hole 9, it is also possible to improve the firmness after check valve is installed, institute
Fastening block 10, cushion pad 12 are provided with the valve seat 2 stated, and valve seat 2 are connected by fastening block 10 with valve body 1, described valve
Sealing ring 11 is provided between seat 2 and valve body 1, air inlet 13, described cushion pad 12, its section are provided with described valve seat 2
Face is set to L-shaped structure, and described fixed block 3 is arranged in valve body 1, and exhaust outlet 14 is provided with fixed block 3, described
Fixed cover 4 is arranged in fixed block 3, and fixture block 15 is provided with fixed cover 4, and described bushing 5 is arranged in valve seat 2, institute
The piston plate 6 stated is arranged in valve body 1, and piston plate 6 is flexibly connected with valve seat 1, and described piston plate 6 is set to arc knot
Structure, and sealing strip 18 is provided between piston plate 6 and axle 7, described one end of axle 7 passes through fixed cover 4, valve body 1, and the other end is worn
It is arranged in bushing 5 after crossing piston plate 6, and attaching nut 16, clamp nut is respectively arranged with the axle 7 of the both sides of piston plate 6
17, valve seat 2 is connected by fastening block 10 with valve body 1, and sealing ring 11 is provided between valve seat 2 and valve body 1, can not only
The bonding strength between valve seat 2 and valve body 1 is improved, strengthens the capability and performance of check valve, can also improved between valve seat 2 and valve body 1
Sealing, improve check valve anti-pressure ability, cushion pad 12 is provided with valve seat 2, by cushion pad 12 can avoid live
Plug disk 6 is directly contacted during moving downward with valve seat 2, reduces the damage to piston plate 6, extends the use of piston plate 6
In the life-span, attaching nut 16, clamp nut 17 are respectively arranged with the axle 7 of the both sides of piston plate 6, and between piston plate 6 and axle 7
Sealing strip 18 is provided with, the bonding strength between piston plate 6 and axle 7 is not only increased, can also be improved between piston plate 6 and axle 7
Sealing, further enhance the capability and performance of check valve, improve the throughput of check valve, operating efficiency is improved, by fixed cover 4
It is arranged in fixed block 3, and fixture block 15 is provided with fixed cover 4, avoids fixed cover 4 from being moved up and down with axle 7 by fixture block 15,
Stability of the fixed cover 4 in fixed block 3 is improve, and then improves the stability during non-return valve operational.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way
Limitation, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and design of the invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (5)
1. a kind of large-scale pneumatic check valve, including valve body, valve seat, fixed block, fixed cover, bushing, piston plate and axle, its feature exist
In：Mounting blocks are provided with described valve body, and mounting hole is provided with mounting blocks, fastening is provided with described valve seat
Block, cushion pad, and valve seat is connected by fastening block with valve body, described fixed block is arranged in valve body, and on fixed block
Exhaust outlet is provided with, described fixation is set in fixed block, and fixture block is provided with fixed cover, described bushing is set
In valve seat, described piston plate is arranged in valve body, and piston plate is flexibly connected with valve seat, and described axle one end is through admittedly
Fixed set, valve body, the other end is arranged in bushing after passing through piston plate, and connection spiral shell is respectively arranged with the axle of piston plate both sides
Female, clamp nut.
2. large-scale pneumatic check valve according to claim 1, it is characterised in that：It is provided between described valve seat and valve body
Sealing ring.
3. large-scale pneumatic check valve according to claim 1, it is characterised in that：Air inlet is provided with described valve seat.
4. large-scale pneumatic check valve according to claim 1, it is characterised in that：Described piston plate is set to arc knot
Structure, and sealing strip is provided between piston plate and axle.
5. large-scale pneumatic check valve according to claim 1, it is characterised in that：Described cushion pad, its section is set to L
Any one structure in shape, T-shaped, U-shaped or arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163064.9A CN106763930A (en) | 2016-12-15 | 2016-12-15 | A kind of large-scale pneumatic check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163064.9A CN106763930A (en) | 2016-12-15 | 2016-12-15 | A kind of large-scale pneumatic check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763930A true CN106763930A (en) | 2017-05-31 |
Family
ID=58892574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611163064.9A Pending CN106763930A (en) | 2016-12-15 | 2016-12-15 | A kind of large-scale pneumatic check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763930A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2430590Y (en) * | 2000-07-10 | 2001-05-16 | 任学民 | One way throttle valve device |
| CN201184434Y (en) * | 2007-08-24 | 2009-01-21 | 自贡新地佩尔阀门有限公司 | Monomer axial flow type back valve with sealing ring arranged at front |
| CN104847932A (en) * | 2015-03-12 | 2015-08-19 | 自贡新地佩尔阀门有限公司 | Axial-flow type check valve |
| CN105042125A (en) * | 2014-10-23 | 2015-11-11 | 铜陵翔宇商贸有限公司 | Energy saving noise abatement check valve |
| CN204985869U (en) * | 2015-09-23 | 2016-01-20 | 四川沃兰特阀门制造有限公司 | Internal type self tightening sealing welds axial -flow type check valve entirely |
| CN205026202U (en) * | 2015-04-30 | 2016-02-10 | 自贡新地佩尔阀门有限公司 | Axial -flow type check valve anti -drop anti -sticking hinders radome fairing structure |
| CN205260932U (en) * | 2015-12-31 | 2016-05-25 | 重庆科特工业阀门有限公司 | Spacing damping check valve of wear -resisting cutting ferrule of axial -flow type |
| CN206386527U (en) * | 2016-12-15 | 2017-08-08 | 安徽海拓志永智能装备股份有限公司 | A kind of large-scale pneumatic check valve |
-
2016
- 2016-12-15 CN CN201611163064.9A patent/CN106763930A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2430590Y (en) * | 2000-07-10 | 2001-05-16 | 任学民 | One way throttle valve device |
| CN201184434Y (en) * | 2007-08-24 | 2009-01-21 | 自贡新地佩尔阀门有限公司 | Monomer axial flow type back valve with sealing ring arranged at front |
| CN105042125A (en) * | 2014-10-23 | 2015-11-11 | 铜陵翔宇商贸有限公司 | Energy saving noise abatement check valve |
| CN104847932A (en) * | 2015-03-12 | 2015-08-19 | 自贡新地佩尔阀门有限公司 | Axial-flow type check valve |
| CN205026202U (en) * | 2015-04-30 | 2016-02-10 | 自贡新地佩尔阀门有限公司 | Axial -flow type check valve anti -drop anti -sticking hinders radome fairing structure |
| CN204985869U (en) * | 2015-09-23 | 2016-01-20 | 四川沃兰特阀门制造有限公司 | Internal type self tightening sealing welds axial -flow type check valve entirely |
| CN205260932U (en) * | 2015-12-31 | 2016-05-25 | 重庆科特工业阀门有限公司 | Spacing damping check valve of wear -resisting cutting ferrule of axial -flow type |
| CN206386527U (en) * | 2016-12-15 | 2017-08-08 | 安徽海拓志永智能装备股份有限公司 | A kind of large-scale pneumatic check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |