CN210397831U - Backflow prevention water valve for sea water desalination - Google Patents
Backflow prevention water valve for sea water desalination Download PDFInfo
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- CN210397831U CN210397831U CN201921137472.6U CN201921137472U CN210397831U CN 210397831 U CN210397831 U CN 210397831U CN 201921137472 U CN201921137472 U CN 201921137472U CN 210397831 U CN210397831 U CN 210397831U
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Abstract
The utility model belongs to the technical field of the sea water desalination technique and specifically relates to a sea water desalination is with preventing flowing back water valve, including the tubulose valve body of circle, equal fixed welding has coupling mechanism on the valve body both ends, be equipped with water inlet and first delivery port on the two tops of valve body respectively, be equipped with the mechanism of preventing flowing back with the axle center on the valve body middle part inner wall between water inlet and the first delivery port, prevent flowing back the mechanism and include the annular spacing recess of circle. The utility model discloses under the effect of flexible membrane cover, ring and valve plate can change the motion trail along with the change of water flow direction in the valve body, when the refluence, the fluid is strikeed valve plate and flexible membrane cover, and then let the valve plate be close to and prevent the backward flow piece, prevent the backward flow piece cartridge finally on the second delivery port, and then play the effect that prevents the fluid outflow, and it is outdated to have the fluid to flow in this water valve, under stop gear's effect, can play the spacing effect of support to the valve plate, reduce the pressure that the fluid caused the flexible membrane cover, can prolong the life of flexible membrane cover.
Description
Technical Field
The utility model relates to a sea water desalination technical field especially relates to a sea water desalination is with preventing flowing backwards water valve.
Background
The seawater desalination, namely the seawater desalination is used for producing fresh water, is an open source increment technology for realizing water resource utilization, can increase the total amount of the fresh water, is not influenced by time, space and climate, and can ensure stable water supply such as drinking water of coastal residents and water supplement of industrial boilers. The valve body image is not usually lacked on the sea water desalination pipeline, but the valve is diversified, wherein in order to prevent backflow to the sea, the backflow-preventing valve is commonly used, but the existing backflow-preventing valve is easy to damage when in use, has short service life, needs to be frequently replaced, and has a complex structure and low production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a backflow preventing water valve for seawater desalination.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is that the backflow preventing water valve for sea water desalination comprises a circular tube-shaped valve body, connecting mechanisms are fixedly welded on two top ends of the valve body, a water inlet and a first water outlet are respectively arranged on two top ends of the valve body, a backflow preventing mechanism is coaxially arranged on the inner wall of the middle part of the valve body between the water inlet and the first water outlet, the backflow preventing mechanism comprises a circular limiting groove, the limiting groove is coaxially arranged on the inner wall of the middle part of the valve body, a backflow platform-shaped flexible film sleeve is arranged on the limiting groove, one end of the flexible film sleeve is fixed in the limiting groove, a circular ring is fixedly arranged on the other end of the flexible film sleeve, the circular ring and the valve body are coaxially arranged, a valve plate with the longitudinal section shaped like the inverted Contraband' is fixedly arranged on one side of the circular ring, a backflow platform-shaped second water outlet is arranged on the valve plate coaxially, and a limiting mechanism is welded on the inner side wall of, equidistance and slope are equipped with the connecting rod, and are a plurality of on the valve body inside wall of valve plate opposite side the fixed welding of connecting rod one end is on the valve body inside wall, and is a plurality of common fixed welding has the longitudinal section to be rhombus on the connecting rod other end and prevents the backward flow piece, and prevents that backward flow piece and valve body set up with the axle center, prevent that backward flow piece one end cartridge in proper order is in flexible membrane cover and ring.
Preferably, the connecting mechanism comprises a circular connecting disc, the connecting disc is coaxially and vertically welded to the top end of the valve body, the connecting disc is provided with a plurality of circular mounting holes in an equidistant mode and penetrates through the circular mounting holes, and the mounting holes are arranged on the connecting disc in a circumferential mode by taking the valve body as a circle center.
Preferably, stop gear includes the bracing piece of two "L" shapes of falling, two bracing piece one end welds perpendicularly respectively on the upper and lower both ends of valve body inner wall, two all the vertical fixation has the stopper of radius frustum form on the bracing piece other end, and the stopper side contacts with the valve plate surface on one side of the second delivery port.
Preferably, the limiting block is made of an anti-corrosion rubber block.
Preferably, a first buffer cavity is formed in the inner wall of the valve body between the backflow prevention mechanism and the water inlet, and a second buffer cavity is formed in the inner wall of the valve body between the backflow prevention mechanism and the first water outlet.
The utility model provides a pair of seawater desalination is with preventing flowing backwards water valve, beneficial effect lies in:
1. the utility model discloses under the effect of flexible membrane cover, ring and valve plate can change the motion trail along with the change of water flow direction in the valve body, and when the refluence, the fluid strikes valve plate and flexible membrane cover, and then lets the valve plate be close to and prevents the backflow piece, finally prevents the backflow piece cartridge on the second delivery port, and then plays the effect that prevents the fluid outflow.
2. The utility model discloses in, when having the fluid to flow through in this water valve, under stop gear's effect, can play the spacing effect of support to the valve plate, reduce the pressure that the fluid caused flexible membrane cover, can prolong the life of flexible membrane cover.
Drawings
Fig. 1 is a schematic structural view of a backflow prevention water valve for seawater desalination according to the present invention;
fig. 2 is the utility model provides a structural schematic under the anti-backflow state of anti-backflow water valve for sea water desalination.
In the figure: the valve comprises a valve body 1, a connecting disc 2, a mounting hole 3, a water inlet 4, a first water outlet 5, a flexible film sleeve 6, a circular ring 7, a valve plate 8, a second water outlet 9, a supporting rod 10, a connecting rod 11, an anti-backflow block 12, a first buffer cavity 13, a second buffer cavity 14 and a limiting block 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a backflow prevention water valve for sea water desalination comprises a circular tube-shaped valve body 1, wherein connecting mechanisms are fixedly welded on two top ends of the valve body 1 and comprise a circular connecting disc 2, the connecting disc 2 is coaxially and vertically welded on the top end of the valve body 1, circular mounting holes 3 are equidistantly arranged on the connecting disc 2 in a penetrating mode, and the mounting holes 3 are circumferentially arranged on the connecting disc 2 by taking the valve body 1 as the center of a circle. The water valve is conveniently arranged on a water conveying pipeline for seawater desalination through a connecting mechanism.
The two top ends of the valve body 1 are respectively provided with a water inlet 4 and a first water outlet 5, when in actual installation and use, seawater is ensured to flow into the valve body 1 from the water inlet 4, a backflow prevention mechanism is coaxially arranged on the inner wall of the middle part of the valve body 1 between the water inlet 4 and the first water outlet 5, the backflow prevention mechanism comprises a circular limiting groove, the limiting groove is coaxially arranged on the inner wall of the middle part of the valve body 1, a flexible film sleeve 6 in a reversed round platform shape is arranged on the limiting groove, one end of the flexible film sleeve 6 is fixed in the limiting groove, a circular ring 7 is fixedly arranged at the other end of the flexible film sleeve 6, the circular ring 7 and the valve body 1 are coaxially arranged, a valve plate 8 with a reversed Contraband-shaped longitudinal section is fixedly arranged on one side of the circular ring 7 coaxially, a second water outlet 9 in a reversed round platform shape is coaxially arranged on the valve plate 8, under the action of the flexible film sleeve 6, the movement tracks of the circular ring 7 and the, fixed welding has stop gear on the 1 inside wall of valve body on one side of valve plate 8, stop gear includes two bracing pieces 10 of "L" shape of falling, and two bracing pieces 10 one end vertical welding respectively are on the upper and lower both ends of 1 inner wall of valve body, all the vertical fixation has stopper 15 of the round platform form of falling on two bracing pieces 10 other ends, and stopper 15 side contacts with the valve plate 8 surface on one side of second delivery port 9, and stopper 15 makes for the anti-corrosion rubber piece. When the sea water enters into valve body 1 from water inlet 4, ring 7 and valve plate 8 can be close to stop gear under the effect of rivers to contact with stop gear, under stop gear's effect, can play the spacing effect of support to valve plate 8, reduce the pressure that rivers led to the fact flexible membrane cover 7, can prolong flexible membrane cover 7's life.
Connecting rods 11 are obliquely arranged on the inner side wall of the valve body 1 at the other side of the valve plate 8 at equal intervals, one end of each connecting rod 11 is fixedly welded on the inner side wall of the valve body 1, the other end of each connecting rod 11 is fixedly welded with a backflow-preventing block 12 with a rhombic longitudinal section, and the backflow prevention block 12 and the valve body 1 are coaxially arranged, one end of the backflow prevention block 12 is sequentially inserted into the flexible membrane sleeve 6 and the circular ring 7, when the seawater stops entering the valve body 1 from the water inlet 4 and the seawater in the valve body 1 flows back, the seawater impacts the valve plate 8 and the flexible membrane sleeve 6, thereby leading the valve plate 8 to be close to the backflow prevention block 12, finally inserting the backflow prevention block 12 on the second water outlet 9, and then play the effect that prevents the sea water and continue to flow back, seted up first cushion chamber 13 on the valve body 1 inner wall between anti-backflow mechanism and the water inlet 4, seted up second cushion chamber 14 on the valve body 1 inner wall between anti-backflow mechanism and the first delivery port 5. No matter under the normal use state, still prevent under the user state of refluence, first cushion chamber 13 and second cushion chamber 14 can both play the effect of buffering to rivers, reduce the impact to flexible membrane cover 6, and then the life of extension flexible membrane cover 6, also be the life of extension this water valve promptly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a seawater desalination is with preventing flowing back water valve, includes pipe form valve body (1), its characterized in that, equal fixed welding has coupling mechanism on valve body (1) both tops, be equipped with water inlet (4) and first delivery port (5) on valve body (1) two tops respectively, be equipped with the axle center on valve body (1) middle part inner wall between water inlet (4) and first delivery port (5) and prevent flowing back the mechanism, prevent flowing back the mechanism and include the annular spacing recess of circle, spacing recess is seted up on valve body (1) middle part inner wall with the axle center, be equipped with the flexible membrane cover (6) of round platform form on the spacing recess, flexible membrane cover (6) one end is fixed in spacing recess, fixed being equipped with ring (7) on flexible membrane cover (6) the other end, and ring (7) set up with the axle center with valve body (1), valve plate (8) that the longitudinal section is "Contraband" font with the axle center is fixed on ring (7) one side, the second delivery port (9) of falling round platform form is seted up with the axle center on valve plate (8), fixed welding has stop gear on valve body (1) inside wall of valve plate (8) one side, equidistance and slope are equipped with connecting rod (11), and are a plurality of on valve body (1) inside wall of valve plate (8) opposite side connecting rod (11) one end fixed welding is on valve body (1) inside wall, and is a plurality of on connecting rod (11) the other end common fixed welding has longitudinal section to be rhombus prevent down flow piece (12), and prevent down flow piece (12) and valve body (1) set up with the axle center, prevent down flow piece (12) one end cartridge in proper order in flexible membrane cover (6) and ring (7).
2. The backflow prevention water valve for sea water desalination of claim 1, characterized in that the connecting mechanism comprises a circular connecting disc (2), the connecting disc (2) is vertically welded to the top end of the valve body (1) in a coaxial manner, the connecting disc (2) is provided with a plurality of circular mounting holes (3) in an equidistant manner and in a penetrating manner, and the mounting holes (3) are circumferentially arranged on the connecting disc (2) by taking the valve body (1) as a circle center.
3. The backflow prevention water valve for sea water desalination as claimed in claim 1, wherein the limiting mechanism comprises two inverted L-shaped supporting rods (10), one end of each of the two supporting rods (10) is respectively and vertically welded to the upper end and the lower end of the inner wall of the valve body (1), inverted truncated cone-shaped limiting blocks (15) are vertically fixed to the other ends of the two supporting rods (10), and the side surfaces of the limiting blocks (15) are in contact with the surface of the valve plate (8) on one side of the second water outlet (9).
4. The backflow prevention water valve for sea water desalination as claimed in claim 3, wherein the limiting block (15) is made of an anti-corrosion rubber block.
5. The backflow prevention water valve for sea water desalination of claim 1, characterized in that a first buffer chamber (13) is opened on the inner wall of the valve body (1) between the backflow prevention mechanism and the water inlet (4), and a second buffer chamber (14) is opened on the inner wall of the valve body (1) between the backflow prevention mechanism and the first water outlet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137472.6U CN210397831U (en) | 2019-07-18 | 2019-07-18 | Backflow prevention water valve for sea water desalination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137472.6U CN210397831U (en) | 2019-07-18 | 2019-07-18 | Backflow prevention water valve for sea water desalination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397831U true CN210397831U (en) | 2020-04-24 |
Family
ID=70355393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921137472.6U Active CN210397831U (en) | 2019-07-18 | 2019-07-18 | Backflow prevention water valve for sea water desalination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397831U (en) |
-
2019
- 2019-07-18 CN CN201921137472.6U patent/CN210397831U/en active Active
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