CN107559466A - A kind of anti-backflow valve pipe fitting - Google Patents
A kind of anti-backflow valve pipe fitting Download PDFInfo
- Publication number
- CN107559466A CN107559466A CN201710705819.1A CN201710705819A CN107559466A CN 107559466 A CN107559466 A CN 107559466A CN 201710705819 A CN201710705819 A CN 201710705819A CN 107559466 A CN107559466 A CN 107559466A
- Authority
- CN
- China
- Prior art keywords
- housing
- cap
- bull stick
- inner chamber
- pressure ring
- 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
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- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of anti-backflow valve pipe fitting, including housing, water inlet is offered on the left of the housing cavity, the right side opening of the housing cavity is provided with delivery port, cap has been bolted to connection at the top of the housing, pressure ring has been bolted to connection at the top of the cap, the bottom of the pressure ring and it is internally provided with airtight and watertight padding positioned at cap, bull stick is provided through at the top of the pressure ring, the bottom of the bull stick sequentially passes through pressure ring, airtight and watertight padding and cap and the inner chamber for extending to housing, the surface of the bull stick and it is provided with bearing positioned at the internal sleeve of cap.The present invention is coordinated by montant, water fender, through hole, spring and sealing plate, make valve that there is the function of non-return, when the liquid countercurrent of inner cavity of pipe, liquid-driving sealing plate is in close contact with water fender, so as to prevent the liquid countercurrent of inner cavity of pipe, the generation that avoids liquid countercurrent from making motor reversal cause motor damage.
Description
Technical field
The present invention relates to valve technology field, specially a kind of anti-backflow valve pipe fitting.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief, for the valve of fluid control systems, from simplest stop valve to extremely complex robot control system(RCS)
In used various valves, its kind and specification are quite various, and valve is typically mounted on pipeline, and existing valve does not have mostly
There is the function of anti-return, when the liquid special to some is transmitted, the backflow of liquid, motor can be caused after motor closing
Reversion is influenceed by hydraulic pressure, easily motor and other equipment are caused damage, so as to bring economic loss to user.
The content of the invention
It is an object of the invention to provide a kind of anti-backflow valve pipe fitting, possess the advantages of preventing liquid from flowing back, solve
Pipeline can cause the backflow of liquid, shadow of the motor by hydraulic pressure when the liquid special to some is transmitted after motor closing
Reversion is rung, the problem of easily being caused damage to motor and other equipment.
To achieve the above object, the present invention provides following technical scheme：A kind of anti-backflow valve pipe fitting, including housing, institute
State and water inlet is offered on the left of housing cavity, the right side opening of the housing cavity is provided with delivery port, and the top of the housing leads to
Cross bolt and be fixedly connected with cap, pressure ring, the bottom and position of the pressure ring have been bolted to connection at the top of the cap
Bull stick is provided through at the top of the airtight and watertight padding that is internally provided with of cap, the pressure ring, the bottom of the bull stick is passed through successively
Wear pressure ring, airtight and watertight padding and cap and extend to the inner chamber of housing, the surface of the bull stick and be provided with positioned at the internal sleeve of cap
Bearing, the bottom of the bull stick are arranged with first bevel gear, the inwall of the water inlet be fixedly connected sequentially from left to right have it is perpendicular
Bar and water fender, the surface of the water fender offer through hole, and the top and bottom on the right side of the montant have been fixedly connected with bullet
Spring, the right-hand member of the spring through through hole and extend to the inner chamber of housing, and the right-hand member of the spring is fixedly connected with sealing plate, institute
State and riser is fixedly connected with the right side of housing cavity bottom, the top movable on the left of the riser is connected with screwed pipe, the spiral shell
The surface of line pipe is arranged with second bevel gear, and the first bevel gear engages with second bevel gear, the inner chamber spiral shell of the screwed pipe
Line is connected with threaded rod, and the left end of the threaded rod extends to the inner chamber of housing, and the left end of the threaded rod, which is fixedly connected with, to be pushed away
Plate, the bottom of housing cavity offer chute, and the bottom of the push pedal is fixedly connected with slide bar, the slide bar away from push pedal one
End extends to the inner chamber of chute.
Preferably, sealing gasket is provided between the housing and cap, is connect at the top of the bottom of the sealing gasket and housing
Touch, the top of the sealing gasket and the top contact of cap.
Preferably, handwheel is fixedly connected with the top of the bull stick, the surface of the handwheel is provided with anti-slip veins.
Preferably, the surface of the first bevel gear is provided with the first teeth, and the surface of the second bevel gear is provided with
The second teeth being adapted with the first teeth.
Preferably, the slide bar is located at one end of the inner chamber of chute and is connected with roller by rotating shaft, and the roller is remote
Contacted from the side of slide bar with the inwall of chute.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention is matched somebody with somebody by bull stick, first bevel gear, riser, screwed pipe, second bevel gear, threaded rod and push pedal
Close, push pedal can be made to promote sealing plate to be moved to the left, sealing plate is in close contact with water fender, reach what pipeline was sealed
Effect, is coordinated by montant, water fender, through hole, spring and sealing plate, valve is had the function of non-return, when in pipeline
During the liquid countercurrent of chamber, liquid-driving sealing plate is in close contact with water fender, so as to prevent the liquid countercurrent of inner cavity of pipe, is avoided
Liquid countercurrent makes motor reversal cause the generation of motor damage.
2nd, cap of the present invention is fixedly connected with the casing by bolt, is easy to dismantle cap, therefore be easy to valve
Internal part is repaired, can be to being sealed between bull stick and cap by the setting of pressure ring and airtight and watertight padding, sealing effect
Fruit is good, and the setting of sealing gasket to being sealed between cap and housing, can avoid the liquid of inner cavity of pipe from housing and cap
Between ooze out, the setting of bearing can be supported to bull stick, be easy to the rotation of bull stick, can make first bevel gear with second bore
Gears mate well, the phenomenon of de- tooth is avoided the occurrence of, the setting of riser can be supported to screwed pipe, pass through slide bar and chute
Cooperation support can be balanced to push pedal, be easy to the transverse shifting of push pedal, the setting of roller reduce slide bar and chute it
Between frictional force, the setting of handwheel can increase the contact area between bull stick and finger, be easy to the rotation of bull stick.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A of the present invention partial structurtes enlarged diagram.
In figure：1 housing, 2 water inlets, 3 delivery ports, 4 caps, 5 pressure rings, 6 airtight and watertight paddings, 7 bearings, 8 bull sticks, 9 first cones
Gear, 10 montants, 11 water fenders, 12 through holes, 13 springs, 14 sealing plates, 15 risers, 16 screwed pipes, 17 second bevel gears, 18 spiral shells
Rasp bar, 19 push pedals, 20 chutes, 21 slide bars, 22 sealing gaskets, 23 handwheels, 24 rollers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2, a kind of anti-backflow valve pipe fitting, including housing 1 are referred to, housing 1 offers water inlet on the left of inner chamber
2, the right side opening of the inner chamber of housing 1 is provided with delivery port 3, and the top of housing 1 has been bolted to connection cap 4, and cap 4 passes through spiral shell
Bolt is fixedly connected with housing 1, is easy to dismantle cap 4, therefore is easy to repair valve internal part, housing 1 with
Sealing gasket 22, the bottom of sealing gasket 22 and the top contact of housing 1, top and the cap 4 of sealing gasket 22 are provided between cap 4
Top contact, the setting of sealing gasket 22 to being sealed between cap 4 and housing 1, can avoid the liquid of inner cavity of pipe from
Oozed out between housing 1 and cap 4, the top of cap 4 has been bolted to connection pressure ring 5, the bottom of pressure ring 5 and is located at cap
4 are internally provided with airtight and watertight padding 6, and the top of pressure ring 5 is provided through bull stick 8, and the bottom of bull stick 8 sequentially passes through pressure ring 5, close
Packing material 6 and cap 4 and the inner chamber for extending to housing 1, the top of bull stick 8 are fixedly connected with handwheel 23, and the surface of handwheel 23 is set
Anti-slip veins are equipped with, the setting of handwheel 23 can increase the contact area between bull stick 8 and finger, be easy to the rotation of bull stick 8, pass through
The setting of pressure ring 5 and airtight and watertight padding 6 can be to sealing between bull stick 8 and cap 4, good sealing effect, the surface of bull stick 8 and
Bearing 7 is provided with positioned at the internal sleeve of cap 4, the bottom of bull stick 8 is arranged with first bevel gear 9, and the inwall of water inlet 2 is from left to right
Being fixedly connected sequentially has montant 10 and water fender 11, and the surface of water fender 11 offers through hole 12, the top on the right side of montant 10 and
Bottom has been fixedly connected with spring 13, and the right-hand member of spring 13 through through hole 12 and extends to the inner chamber of housing 1, the right-hand member of spring 13
Sealing plate 14 is fixedly connected with, riser 15 is fixedly connected with the right side of the intracavity bottom of housing 1, the top movable in the left side of riser 15 connects
Screwed pipe 16 is connected to, the setting of riser 15 can be supported to screwed pipe 16, and the surface of screwed pipe 16 is arranged with the second cone tooth
Wheel 17, first bevel gear 9 engages with second bevel gear 17, and the surface of first bevel gear 9 is provided with the first teeth, second bevel gear
17 surface is provided with the second teeth being adapted with the first teeth, and the setting of bearing 7 can be supported to bull stick 8, be easy to
The rotation of bull stick 8, first bevel gear 9 can be made to engage the phenomenon for closely, avoiding the occurrence of de- tooth, screwed pipe with second bevel gear 17
16 thread in inner cavity is connected with threaded rod 18, and the left end of threaded rod 18 extends to the inner chamber of housing 1, and the left end of threaded rod 18 is fixed
Push pedal 19 is connected with, the bottom of the inner chamber of housing 1 offers chute 20, and the bottom of push pedal 19 is fixedly connected with slide bar 21, slide bar 21
One end away from push pedal 19 extends to the inner chamber of chute 20, and push pedal 19 can be put down by the cooperation of slide bar 21 and chute 20
Weighing apparatus support, is easy to the transverse shifting of push pedal 19, one end that slide bar 21 is located at the inner chamber of chute 20 is connected with rolling by rotating shaft
Wheel 24, side of the roller 24 away from slide bar 21 contacts with the inwall of chute 20, and the setting of roller 24 reduces slide bar 21 and chute
Frictional force between 20, pass through bull stick 8, first bevel gear 9, riser 15, screwed pipe 16, second bevel gear 17, the and of threaded rod 18
Push pedal 19 is coordinated, and push pedal 19 can be made to promote sealing plate 14 to be moved to the left, sealing plate 14 is in close contact with water fender 11,
Have the function that to seal pipeline, coordinated by montant 10, water fender 11, through hole 12, spring 13 and sealing plate 14,
Make valve that there is the function of non-return, when the liquid countercurrent of inner cavity of pipe, liquid-driving sealing plate 14 closely connects with water fender 11
Touch, so as to prevent the liquid countercurrent of inner cavity of pipe, the generation that avoids liquid countercurrent from making motor reversal cause motor damage.
In use, when the liquid countercurrent of inner cavity of pipe, liquid-driving sealing plate 14 is moved to the left, and makes sealing plate 14 and gear
Water plate 11 is in close contact, and so as to be sealed to through hole 12, prevents the liquid countercurrent of inner cavity of pipe, rotation hand wheel 23 drives bull stick
8 rotations, bull stick 8 drive first bevel gear 9 to rotate, and first bevel gear 9 drives second bevel gear 17 to rotate, the band of second bevel gear 17
Dynamic screwed pipe 16 rotates, and screwed pipe 16 coordinates with threaded rod 18 is moved to the left threaded rod 18, the promotion push pedal 19 of threaded rod 18 to
Move left, push pedal 19 promotes sealing plate 14 to be moved to the left, and sealing plate 14 is contacted with water fender 11, close so as to be carried out to through hole 12
Envelope.
In summary：The anti-backflow valve pipe fitting, pass through montant 10, water fender 11, through hole 12, spring 13 and sealing plate 14
Cooperation, solve pipeline when the liquid special to some is transmitted, the backflow of liquid can be caused after motor closing, electricity
Machine is influenceed reversion by hydraulic pressure, the problem of easily being caused damage to motor and other equipment.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of anti-backflow valve pipe fitting, including housing (1), it is characterised in that：Offered on the left of housing (1) inner chamber into
The mouth of a river (2), the right side opening of housing (1) inner chamber are provided with delivery port (3), the company of being bolted at the top of the housing (1)
Cap (4) is connected to, pressure ring (5), the bottom and position of the pressure ring (5) have been bolted to connection at the top of the cap (4)
Airtight and watertight padding (6) is internally provided with cap (4), bull stick (8), the bull stick are provided through at the top of the pressure ring (5)
(8) bottom sequentially passes through pressure ring (5), airtight and watertight padding (6) and cap (4) and extends to the inner chamber of housing (1), the bull stick
(8) the surface and internal sleeve positioned at cap (4) is provided with bearing (7), the bottom of the bull stick (8) is arranged with first bevel gear
(9), the inwall of the water inlet (2) is fixedly connected sequentially from left to right montant (10) and water fender (11), the water fender
(11) surface offers through hole (12), and the top and bottom on the right side of the montant (10) have been fixedly connected with spring (13), institute
The right-hand member of spring (13) is stated through through hole (12) and extends to the inner chamber of housing (1), the right-hand member of the spring (13) is fixedly connected
There is sealing plate (14), be fixedly connected with riser (15) on the right side of housing (1) intracavity bottom, the top on the left of the riser (15)
Portion is connected with screwed pipe (16), and the surface of the screwed pipe (16) is arranged with second bevel gear (17), the first cone tooth
Wheel (9) engages with second bevel gear (17), and the thread in inner cavity of the screwed pipe (16) is connected with threaded rod (18), the threaded rod
(18) left end extends to the inner chamber of housing (1), and the left end of the threaded rod (18) is fixedly connected with push pedal (19), housing (1)
The bottom of inner chamber offers chute (20), and the bottom of the push pedal (19) is fixedly connected with slide bar (21), and the slide bar (21) is remote
One end from push pedal (19) extends to the inner chamber of chute (20).
A kind of 2. anti-backflow valve pipe fitting according to claim 1, it is characterised in that：The housing (1) and cap (4) it
Between be provided with sealing gasket (22), the bottom of the sealing gasket (22) and the top contact of housing (1), the top of the sealing gasket (22)
Portion and the top contact of cap (4).
A kind of 3. anti-backflow valve pipe fitting according to claim 1, it is characterised in that：The top of the bull stick (8) is fixed
Handwheel (23) is connected with, the surface of the handwheel (23) is provided with anti-slip veins.
A kind of 4. anti-backflow valve pipe fitting according to claim 1, it is characterised in that：The table of the first bevel gear (9)
Face is provided with the first teeth, and the surface of the second bevel gear (17) is provided with the second teeth being adapted with the first teeth.
A kind of 5. anti-backflow valve pipe fitting according to claim 1, it is characterised in that：The slide bar (21) is located at chute
(20) one end of inner chamber is connected with roller (24), side and cunning of the roller (24) away from slide bar (21) by rotating shaft
The inwall contact of groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705819.1A CN107559466A (en) | 2017-08-17 | 2017-08-17 | A kind of anti-backflow valve pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705819.1A CN107559466A (en) | 2017-08-17 | 2017-08-17 | A kind of anti-backflow valve pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559466A true CN107559466A (en) | 2018-01-09 |
Family
ID=60975618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710705819.1A Pending CN107559466A (en) | 2017-08-17 | 2017-08-17 | A kind of anti-backflow valve pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559466A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355450A (en) * | 2018-05-02 | 2018-08-03 | 深圳市创意智能科技有限公司 | A kind of environment-protection boiler with off-gas recovery function |
| CN108662398A (en) * | 2018-05-03 | 2018-10-16 | 李静娴 | A kind of coal mine coal picker |
| CN109281377A (en) * | 2018-12-10 | 2019-01-29 | 攀枝花学院 | A kind of side-ditch type rainwater collecting device |
| CN109771875A (en) * | 2019-01-14 | 2019-05-21 | 浙安集团有限公司 | A kind of fire protection pipeline automatic valve |
| CN111188929A (en) * | 2020-02-28 | 2020-05-22 | 天虹阀门科技（泉州）有限公司 | Gate valve with check function |
| CN111816337A (en) * | 2020-07-20 | 2020-10-23 | 中国核动力研究设计院 | Precise underwater installation pushing device for spent fuel grillwork in narrow space of spent fuel pool |
| CN112145755A (en) * | 2020-09-22 | 2020-12-29 | 南通龙源电站阀门有限公司 | Emergency cut-off mechanism of check valve |
| CN113531201A (en) * | 2021-07-15 | 2021-10-22 | 江苏明江阀业有限公司 | Bellows stop valve with quick shut-off function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0439473A (en) * | 1990-06-05 | 1992-02-10 | Kitz Corp | Check valve |
| CN201547336U (en) * | 2009-12-07 | 2010-08-11 | 陆平 | Check valve |
| CN106949297A (en) * | 2017-03-28 | 2017-07-14 | 吴燕 | A kind of novel valve |
| WO2017123027A1 (en) * | 2016-01-14 | 2017-07-20 | (주)두쿰 | Check valve having forcible locking function |
-
2017
- 2017-08-17 CN CN201710705819.1A patent/CN107559466A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0439473A (en) * | 1990-06-05 | 1992-02-10 | Kitz Corp | Check valve |
| CN201547336U (en) * | 2009-12-07 | 2010-08-11 | 陆平 | Check valve |
| WO2017123027A1 (en) * | 2016-01-14 | 2017-07-20 | (주)두쿰 | Check valve having forcible locking function |
| CN106949297A (en) * | 2017-03-28 | 2017-07-14 | 吴燕 | A kind of novel valve |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355450A (en) * | 2018-05-02 | 2018-08-03 | 深圳市创意智能科技有限公司 | A kind of environment-protection boiler with off-gas recovery function |
| CN108662398A (en) * | 2018-05-03 | 2018-10-16 | 李静娴 | A kind of coal mine coal picker |
| CN108662398B (en) * | 2018-05-03 | 2019-12-13 | 苏州理合文科技有限公司 | Coal separator for coal mine |
| CN109281377A (en) * | 2018-12-10 | 2019-01-29 | 攀枝花学院 | A kind of side-ditch type rainwater collecting device |
| CN109771875A (en) * | 2019-01-14 | 2019-05-21 | 浙安集团有限公司 | A kind of fire protection pipeline automatic valve |
| CN111188929A (en) * | 2020-02-28 | 2020-05-22 | 天虹阀门科技（泉州）有限公司 | Gate valve with check function |
| CN111816337A (en) * | 2020-07-20 | 2020-10-23 | 中国核动力研究设计院 | Precise underwater installation pushing device for spent fuel grillwork in narrow space of spent fuel pool |
| CN112145755A (en) * | 2020-09-22 | 2020-12-29 | 南通龙源电站阀门有限公司 | Emergency cut-off mechanism of check valve |
| CN113531201A (en) * | 2021-07-15 | 2021-10-22 | 江苏明江阀业有限公司 | Bellows stop valve with quick shut-off function |
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| 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: 20180109 |