CN211951483U - Liquid backflow preventing device for reaction tower - Google Patents
Liquid backflow preventing device for reaction tower Download PDFInfo
- Publication number
- CN211951483U CN211951483U CN201922499186.0U CN201922499186U CN211951483U CN 211951483 U CN211951483 U CN 211951483U CN 201922499186 U CN201922499186 U CN 201922499186U CN 211951483 U CN211951483 U CN 211951483U
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- output pipe
- pipe
- structure body
- rod
- output
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Abstract
The utility model belongs to the field of liquid backflow prevention, in particular to a liquid backflow prevention device of a reaction tower, which comprises an input pipe, a backflow prevention structure body and an output pipe, wherein the input pipe is arranged at the bottom side of the backflow prevention structure body, the backflow prevention structure body is arranged at the bottom side of the output pipe, two sides of the backflow prevention structure body are fixedly provided with a recovery box, the top of the recovery box is provided with a backflow hole, the two recovery boxes are communicated with the output pipe through the backflow hole, the top side of the recovery box is provided with a switch structure, the inner wall of one side of the output pipe is provided with a threaded hole, a horizontally arranged screw rod is arranged in the threaded hole, one end of the screw rod extends out of the output pipe and is fixedly provided with a knob, the other end of the screw rod extends into the output pipe, and is fixedly connected with a valve, the utility model has simple structure, convenient, the use requirements of people are met.
Description
Technical Field
The utility model relates to a prevent liquid refluence technical field, especially relate to a liquid refluence device is prevented to reaction tower.
Background
In the fluid conveying process, the fluid is required to be conveyed in a single direction in many cases, namely, the fluid cannot flow backwards. For this purpose, a backflow prevention device is generally provided in the pipeline.
The invention with the application number of 201310035868.0 discloses a backflow prevention device, which is provided with a sealing ring surface and a non-return core, and because water flow passes through the non-return core through a gap between two supporting legs, the passing space is large, the resistance which can be born by the water flow is relatively small, the kinetic energy of fluid loss is correspondingly small, and the flow is higher. But still has the disadvantages that liquid can remain in the device and the device is inconvenient to clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the liquid can be remained in the device in the prior art, and the device has the defects of inconvenient cleaning, and provides a liquid backflow preventing device for a reaction tower.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid backflow prevention device for a reaction tower comprises an input pipe, a backflow prevention structure body and an output pipe, wherein the input pipe is arranged at the bottom side of the backflow prevention structure body, the backflow prevention structure body is arranged at the bottom side of the output pipe, recovery boxes are fixedly arranged at two sides of the backflow prevention structure body, a backflow hole is formed in the top of each recovery box, the two recovery boxes are communicated with the output pipe through the backflow holes, a switch structure is arranged at the top side of each recovery box, a threaded hole is formed in the inner wall of one side of the output pipe, a horizontally-arranged screw rod is installed in the threaded hole, one end of the screw rod extends out of the output pipe and is fixedly provided with a knob, the other end of the screw rod extends into the output pipe and is fixedly connected with a valve, an annular leakage-proof plate positioned at the bottom side of the valve is fixedly arranged, the recovery box is embedded among the three parts and can be detached.
Preferably, a portion of the recovery box is located between the top of the inlet pipe and the bottom of the outlet pipe, and another portion of the recovery box extends outside the inlet pipe and the outlet pipe.
Preferably, a first chute is formed in one part of the top side, extending out of the input pipe and the output pipe, of the recovery box, a key is arranged in the first chute in a sliding mode, a vertically installed first spring is fixedly installed on the inner wall of the bottom of the first chute, the top of the first spring is connected with one end of a pressing rod, one end of the pressing rod is located below the key, a movable hole is formed in the inner wall, close to the output pipe, of one side of the first chute, and the other end of the pressing rod is movably installed in the movable hole.
Preferably, the second spout has been seted up to the equal level in both sides bottom of output tube, and the one end fixed mounting who keeps away from first spout to the catch bar has the gag lever post, and in the gag lever post extended to the second spout, and the gag lever post was L type pole, fixed mounting had the stopper in the second spout, and stopper and gag lever post looks adaptation, slidable mounting has the slurcam in the second spout, one side fixedly connected with horizontally mounted's the one end of second spring that the stopper was kept away from to the catch bar, and the other end of second spring is connected on the lateral wall of second spout.
Preferably, the input pipe, the backflow prevention structure body and the output pipe are communicated with each other, and the annular leakage-proof plate is matched with the valve.
The utility model discloses in, a liquid backflow device is prevented to reaction tower is through retrieving the box, and the cooperation of spare parts such as valve is used for remaining originally and can effectually be retrieved by this internal liquid of anti-backflow structure, perhaps clearance, and the clearance that the box can be convenient is retrieved to detachable, has reduced people's the amount of labour.
The utility model discloses simple structure, convenient to use, easily clean for this internal liquid that remains of anti-backflow structure reduces, has satisfied people's user demand.
Drawings
Fig. 1 is a schematic structural view of a liquid backflow preventing device of a reaction tower provided by the present invention;
fig. 2 is a top view of a liquid backflow preventing device of a reaction tower provided by the present invention;
fig. 3 is a schematic structural view of a position a in the liquid backflow preventing device of the reaction tower provided by the present invention.
In the figure: 1 input tube, 2 prevent backflow structure body, 3 output tubes, 4 recovery boxes, 5 backward flow holes, 6 knobs, 7 screw holes, 8 lead screw, 9 annular leak protection boards, 10 valves, 11 first spouts, 12 buttons, 13 first springs, 14 activity holes, 15 support depression bars, 16 gag lever posts, 17 second spouts, 18 catch plates, 19 second springs, 20 stopper.
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. 1-3, a liquid backflow prevention device for a reaction tower comprises an input pipe 1, a backflow prevention structure body 2 and an output pipe 3, wherein the input pipe 1 is installed at the bottom side of the backflow prevention structure body 2, the backflow prevention structure body 2 is installed at the bottom side of the output pipe 3, recovery boxes 4 are fixedly installed at both sides of the backflow prevention structure body 2, a backflow hole 5 is formed at the top of each recovery box 4, the two recovery boxes 4 are communicated with the output pipe 3 through the backflow holes 5, a switch structure is arranged at the top side of each recovery box 4, a threaded hole 7 is formed in the inner wall of one side of the output pipe 3, a horizontally placed screw rod 8 is installed in the threaded hole 7, one end of the screw rod 8 extends out of the output pipe 3 and is fixedly provided with a knob 6, the other end of the screw rod 8 extends into the output pipe 3 and is fixedly connected with a valve 10, the diameter of the backflow prevention structure body 2 is slightly smaller than the input pipe 1 and the output pipe 3, the recovery box 4 is embedded between the input pipe 1 and the output pipe 3, and the recovery box 4 can be detached.
In the utility model, a part of the recovery box 4 is located between the top of the input tube 1 and the bottom of the output tube 3, and the other part of the recovery box 4 extends to the outside of the input tube 1 and the output tube 3.
The utility model discloses in, retrieve box 4 and extend to the outer partly top side of input tube 1 and output tube 3 and seted up first spout 11, slidable mounting has button 12 in first spout 11, fixed mounting has the first spring 13 of vertical installation on the bottom inner wall of first spout 11, the top of first spring 13 is connected with the one end of pressure lever 15, the one end of pressure lever 15 is located button 12 below, first spout 11 has seted up movable hole 14 on being close to one side inner wall of output tube 3, the other end movable mounting of pressure lever 15 is in movable hole 14, press button 12 and can make button 12 push down in first spout 11 and move pressure lever 15 and make it at movable hole 14 internalization, compressible first spring 13 simultaneously.
In the utility model, the bottom parts of the two sides of the output pipe 3 are both horizontally provided with the second sliding grooves 17, one end of the pressing rod 15 far away from the first sliding groove 11 is fixedly provided with the limiting rod 16, the limiting rod 16 extends into the second sliding groove 17, the limiting rod 16 is an L-shaped rod, a limiting block 20 is fixedly installed in the second sliding groove 17, the limiting block 20 is matched with the limiting rod 16, a pushing plate 18 is installed in the second sliding groove 17 in a sliding mode, one side, far away from the limiting block 20, of the pushing plate 18 is fixedly connected with one end of a second spring 19 which is installed horizontally, the other end of the second spring 19 is connected to the side wall of the second sliding groove 17, the pressing rod 15 moves in the movable hole 14 to drive the limiting rod 16 to move, and therefore the limiting rod 16 does not block the limiting block 20 any more, and the pushing plate 18 pushes the limiting rod 16 in the second sliding chute 17 because of the second spring 19 so as to push the limiting rod out of the second sliding chute 17, so that the recovery box 4 can be taken down.
The utility model discloses in, input tube 1, prevent that backflow structure body 2 and output tube 3 all communicate mutually, annular leak protection plate 9 and valve 10 looks adaptation, annular leak protection plate 9 and valve 10 can effectually catch the liquid of having carried the past, prevent the backward flow.
The utility model discloses in, the theory of operation: after liquid flows into the output pipe 3 from the input pipe 1 through the backflow prevention structure body 2, the knob 6 is rotated to push the screw rod 8 and the threaded hole 7 to be matched with each other, the valve 10 is matched with the annular leakage-proof plate 9 after moving, the liquid which is conveyed in the past is not refluxed, and the residual liquid flows into the recovery box 4 through the reflux hole 5;
pressing the key 12 can press the pressing rod 15 downwards in the first sliding groove 11 to enable the pressing rod 12 to move in the movable hole 14, and simultaneously, the first spring 13 can be compressed, the pressing rod 15 moves in the movable hole 14 to drive the limiting rod 16 to move, so that the limiting rod 16 does not block the limiting block 20, the pushing plate 18 pushes the limiting rod 16 in the second sliding groove 17 because of the second spring 19 to enable the limiting rod 16 to be pushed out of the second sliding groove 17, the recovery box 4 can be taken down, and the residual liquid in the recovery box can be recovered or cleaned.
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 liquid backflow preventing device of a reaction tower, includes input tube (1), prevents flowing backwards structure body (2) and output tube (3), its characterized in that, input tube (1) is installed in preventing flowing backwards structure body (2) bottom side, prevents flowing backwards structure body (2) and installs in output tube (3) bottom side, prevent flowing backwards structure body (2) both sides equal fixed mounting have retrieve box (4), retrieve the top of box (4) and seted up backward flow hole (5), two retrieve box (4) and all be linked together through backward flow hole (5) and output tube (3), the top side of retrieving box (4) is equipped with switch structure, set up threaded hole (7) on one side inner wall of output tube (3), threaded hole (7) internal thread installs horizontally placed screw rod (8), the one end of screw rod (8) extends to output tube (3) outside and fixed mounting has knob (6), the other end of the screw rod (8) extends into the output pipe (3), and is fixedly connected with a valve (10), and an annular anti-leakage plate (9) positioned at the bottom side of the valve (10) is fixedly arranged in the output pipe (3).
2. A liquid backflow prevention device for a reaction tower according to claim 1, wherein a portion of the recovery box (4) is located between the top of the input pipe (1) and the bottom of the output pipe (3), and another portion of the recovery box (4) extends outside the input pipe (1) and the output pipe (3).
3. The liquid backflow preventing device for the reaction tower according to claim 1, wherein a first sliding groove (11) is formed in a top side of a portion, extending out of the input pipe (1) and the output pipe (3), of the recovery box (4), a key (12) is slidably mounted in the first sliding groove (11), a first spring (13) which is vertically mounted is fixedly mounted on an inner wall of the bottom of the first sliding groove (11), the top of the first spring (13) is connected with one end of a pressing rod (15), one end of the pressing rod (15) is located below the key (12), a movable hole (14) is formed in an inner wall of one side, close to the output pipe (3), of the first sliding groove (11), and the other end of the pressing rod (15) is movably mounted in the movable hole (14).
4. The liquid backflow preventing device for the reaction tower according to claim 1, wherein the bottom of the two sides of the output pipe (3) is horizontally provided with a second chute (17), one end of the pressure resisting rod (15) far away from the first chute (11) is fixedly provided with a limiting rod (16), the limiting rod (16) extends into the second chute (17), the limiting rod (16) is an L-shaped rod, a limiting block (20) is fixedly arranged in the second chute (17), the limiting block (20) is matched with the limiting rod (16), a pushing plate (18) is slidably arranged in the second chute (17), one side of the pushing plate (18) far away from the limiting block (20) is fixedly connected with one end of a second spring (19) horizontally arranged, and the other end of the second spring (19) is connected to the side wall of the second chute (17).
5. The device for preventing liquid backflow in a reaction tower according to claim 1, wherein the input pipe (1), the backflow preventing structure body (2) and the output pipe (3) are all interconnected, and the annular leakage preventing plate (9) is adapted to the valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499186.0U CN211951483U (en) | 2019-12-23 | 2019-12-23 | Liquid backflow preventing device for reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499186.0U CN211951483U (en) | 2019-12-23 | 2019-12-23 | Liquid backflow preventing device for reaction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951483U true CN211951483U (en) | 2020-11-17 |
Family
ID=73181947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499186.0U Expired - Fee Related CN211951483U (en) | 2019-12-23 | 2019-12-23 | Liquid backflow preventing device for reaction tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951483U (en) |
-
2019
- 2019-12-23 CN CN201922499186.0U patent/CN211951483U/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: 20201117 Termination date: 20211223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |