CN107940043A - A kind of tilt-disc check valve - Google Patents
A kind of tilt-disc check valve Download PDFInfo
- Publication number
- CN107940043A CN107940043A CN201711253971.7A CN201711253971A CN107940043A CN 107940043 A CN107940043 A CN 107940043A CN 201711253971 A CN201711253971 A CN 201711253971A CN 107940043 A CN107940043 A CN 107940043A
- Authority
- CN
- China
- Prior art keywords
- valve
- branch pipe
- valve body
- tilt
- away
- 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.)
- Withdrawn
Links
Classifications
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of tilt-disc check valve, including No.1 valve body, the No.1 valve inner is provided with valve shaft, valve plate is connected with the valve shaft, the No.1 valve body has water inlet away from valve shaft side by flanged joint, the No.1 valve body has No. two valve bodies close to valve shaft side by flanged joint, No. two body bases are equipped with branch pipe connection, the branch pipe connection is connected with sealing branch pipe away from No. two valve body threaded one ends, the sealing branch pipe is internally provided with piston, the sealing branch pipe is connected with plug away from branch pipe connection threaded one end, No. two valve bodies have No. three valve bodies away from valve shaft side flanged joint, No. three valve inners are fixedly connected with rubber hose, No. three valve bodies are connected with water outlet away from No. two valve body end flanges.The tilt-disc check valve, simple in structure, good seal performance, effectively prevents liquid from flowing back, and can eliminate water hammer, service life length.
Description
Technical field
The invention belongs to check-valves technical field, and in particular to a kind of tilt-disc check valve.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, its main function is to prevent medium from falling
Flow, prevent pump and drive motor reversion, and vessel media from releasing.Check-valves：Divided by structure, lift can be divided into and stopped
Return three kinds of valve, swing check valve and butterfly swing check valve.Lift check valve can be divided into vertical and two kinds of through type.Swing type stops
Return valve and be divided into three kinds of single-lobe formula, Double-disc type and multi-clove type.Butterfly swing check valve is butterfly bivalve, butterfly single-lobe, above several non-returns
Valve can be divided into threaded connection in type of attachment, flanged joint, welding connect four kinds with wafer type.
At present, although the effect of the check-valves backflow of in the market is pretty good, structure is complex, and is difficult to eliminate back
The water hammer that stream is brought, due to the generation of water hammer so that pressure increased dramatically to several times more than normal pressure very in pipeline
To more than ten times, its harm is very big, can cause the rupture of pipeline, influence to produce and live, and pressure is excessive, will also cause the broken of pipe
Split, thus in the market need it is a kind of not only can anti-backflow, can also prevent the check-valves of water hammer.
The content of the invention
It is an object of the invention to provide a kind of tilt-disc check valve, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：A kind of tilt-disc check valve, including No.1 valve body, institute
State No.1 valve inner and valve shaft is installed, valve plate is connected with the valve shaft, the No.1 valve body leads to away from valve shaft side
Crossing flanged joint has water inlet, and the No.1 valve body has No. two valve bodies, No. two valves close to valve shaft side by flanged joint
Body bottom is equipped with branch pipe connection, and the branch pipe connection is connected with sealing branch pipe, the sealing branch away from No. two valve body threaded one ends
Pipe is internally provided with piston, and the sealing branch pipe is connected with plug away from branch pipe connection threaded one end, and No. two valve bodies are away from valve
Axis side flanged joint has No. three valve bodies, and No. three valve inners are fixedly connected with rubber hose, and No. three valve bodies are remote
No. two valve body end flanges are connected with water outlet.
Preferably, the No.1 valve body and No. two valve bodies are docked by angle, and the incline direction of angle is lower part Xiang Yi
Number valve body direction tilts, and angle of inclination is 45 ° to 60 °.
Preferably, the valve plate is installed in the valve chamber that is formed of No.1 valve body and No. two valve bodies by valve shaft.
Preferably, No. three are left gap between valve body and rubber hose, and limiting card is equipped with the outside of the rubber hose.
Preferably, sealing ring is equipped with the outside of the piston, sealing branch pipe is formed between the piston and plug.
Preferably, the valve shaft is connected by bearing with No.1 valve body, and gasket is equipped with the outside of the valve shaft.
The technique effect and advantage of the present invention：The tilt-disc check valve, can be voluntarily by the pressure differential of water inlet and water outlet
Valve plate is opened and closed, plays the role of anti-backflow；Plug and piston are tightly connected with branch pipe, sealing branch pipe inner carrier can on move down
Dynamic, No. three valve inners are equipped with rubber hose, and No. three are left gap between valve body and rubber hose, and it is empty to give rubber hose expansion
Between, the cooperation of branch pipe and rubber hose is sealed, reduces pressure during liquid reflux, to valve when can effectively reduce liquid reflux
The impulse force of plate, reduces the damage of valve plate.The tilt-disc check valve, simple in structure, good seal performance, effectively prevents liquid from flowing back, and
And water hammer can be eliminated, service life length.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the No.1 valve board structure schematic diagram of the present invention；
Fig. 3 is the sealing manifold configuration schematic diagram of the present invention.
In figure：1 No.1 valve body, 2 No. two valve bodies, 3 No. three valve bodies, 4 limiting cards, 5 rubber hose, 6 water inlets, 7 valve shafts, 71
Bearing, 8 valve plates, 9 water outlets, 10 branch pipe connections, 11 sealing branch pipes, 12 plugs, 13 pistons, 131 sealing rings.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution 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, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the structure diagram of the present invention, a kind of tilt-disc check valve, including No.1 valve body 1, described one
Number valve body 1 has water inlet 6 away from 7 side of valve shaft by flanged joint, and liquid is flowed into from water inlet 6, the No.1 valve body 1 and two
Number valve body 2 is docked by angle, and the incline direction of angle tilts for lower part to 1 direction of No.1 valve body, angle of inclination for 45 ° extremely
60 °, the No.1 valve body 1 has No. two valve bodies 2 close to 7 side of valve shaft by flanged joint, and 2 bottom of No. two valve bodies is equipped with branch
Pipe fitting 10, No. two valve bodies 2 have No. three valve bodies 3 away from 7 side flanged joint of valve shaft, and the inside of No. three valve bodies 3 is fixed
Be connected with rubber hose 5, impact when rubber hose 5 can reduce liquid reflux to pipeline, No. three valve bodies 3 and rubber hose 5 it
Between leave gap, give rubber hose 5 certain expansion space, the outside of the rubber hose 5 is equipped with limiting card 4, for fixing
The position of rubber hose 5, No. three valve bodies are connected with water outlet 9 away from No. two 2 end flanges of valve body, and liquid is through water outlet 9
Outflow.
Referring to Fig. 2, Fig. 2 is the No.1 valve board structure schematic diagram of the present invention, valve shaft is installed inside the No.1 valve body 1
7, the valve shaft 7 is connected by bearing 71 with No.1 valve body 1, and the outside of valve shaft 7 is equipped with sealing ring, ensures seal for pipe joints,
Valve plate 8 is connected with the valve shaft 7, the valve plate 8 can be rotated around valve shaft 7, reach the work being turned on and off, the valve
Plate 8 is by valve shaft 7 in the valve chamber that No.1 valve body 1 and No. two valve bodies 2 are formed so that valve plate 8 has enough spaces to open
Open or close.
Referring to Fig. 3, Fig. 3 is the sealing manifold configuration schematic diagram of the present invention, the branch pipe connection 10 is away from No. two valve bodies 2
Threaded one end is connected with sealing branch pipe 11, and the sealing branch pipe 11 is internally provided with piston 13, and the sealing branch pipe 11 is away from branch pipe
10 threaded one end of connector is connected with plug 12, between the piston 13 and plug 12 form sealing branch pipe 11, piston can on move down
Dynamic, to reduce pressure during liquid reflux, the outside of piston 13 is equipped with sealing ring 131, ensures the leakproofness of branch pipe.
Operation principle：During work, medium is flowed into from water inlet 6,6 one end pressure of water inlet increase, due to pressure differential, valve plate
8 open, flow of media, and when switching off the pump, 6 pressure of water inlet is reduced, and valve plate 8 voluntarily closes valve, at this time due to self gravitation
Medium can flow back, and first pass around rubber hose 5, impact when rubber hose 5 can reduce liquid reflux to pipeline, medium back flow is extremely
At valve plate 8, piston 13 reduces the pressure of medium back flow since pressure moves down downwards, reduces the impact to valve plate 8.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of tilt-disc check valve, including No.1 valve body (1), it is characterised in that：Valve shaft is installed inside the No.1 valve body (1)
(7), valve plate (8) is connected with the valve shaft (7), the No.1 valve body (1) passes through flanged joint away from valve shaft (7) side
There is a water inlet (6), the No.1 valve body (1) there are No. two valve bodies (2) close to valve shaft (7) side by flanged joint, described No. two
Valve body (2) bottom is equipped with branch pipe connection (10), and the branch pipe connection (10) is connected with sealing away from No. two valve body (2) threaded one ends
Branch pipe (11), the sealing branch pipe (11) are internally provided with piston (13), and the sealing branch pipe (11) is away from branch pipe connection (10) one
End is threaded with plug (12), and No. two valve bodies (2) have No. three valve bodies (3) away from valve shaft (7) side flanged joint, described
Rubber hose (5) is fixedly connected with inside No. three valve bodies (3), No. three valve bodies are connected away from No. two valve body (2) end flanges
There is water outlet (9).
A kind of 2. tilt-disc check valve according to claim 1, it is characterised in that：The No.1 valve body (1) and No. two valve bodies
(2) docked by angle, and the incline direction of angle for lower part to No.1 valve body (1) direction tilt, angle of inclination for 45 ° extremely
60°。
A kind of 3. tilt-disc check valve according to claim 1, it is characterised in that：The valve plate (8) is installed by valve shaft (7)
In the valve chamber that No.1 valve body (1) and No. two valve bodies (2) are formed.
A kind of 4. tilt-disc check valve according to claim 1, it is characterised in that：No. three valve bodies (3) and rubber hose (5) it
Between leave gap, be equipped with limiting card (4) on the outside of the rubber hose (5).
A kind of 5. tilt-disc check valve according to claim 1, it is characterised in that：Sealing ring is equipped with the outside of the piston (13)
(131), sealing branch pipe (11) is formed between the piston (13) and plug (12).
A kind of 6. tilt-disc check valve according to claim 1, it is characterised in that：The valve shaft (7) by bearing (71) with
No.1 valve body (1) connects, and gasket is equipped with the outside of the valve shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253971.7A CN107940043A (en) | 2017-12-02 | 2017-12-02 | A kind of tilt-disc check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253971.7A CN107940043A (en) | 2017-12-02 | 2017-12-02 | A kind of tilt-disc check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940043A true CN107940043A (en) | 2018-04-20 |
Family
ID=61947427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711253971.7A Withdrawn CN107940043A (en) | 2017-12-02 | 2017-12-02 | A kind of tilt-disc check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812637A (en) * | 2019-03-11 | 2019-05-28 | 四川省第六建筑有限公司 | A kind of concrete pump pipe connection and the concrete pump pipe structure based on the device |
-
2017
- 2017-12-02 CN CN201711253971.7A patent/CN107940043A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812637A (en) * | 2019-03-11 | 2019-05-28 | 四川省第六建筑有限公司 | A kind of concrete pump pipe connection and the concrete pump pipe structure based on the device |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |