CN212775743U

CN212775743U - Drainage valve with backflow prevention function

Info

Publication number: CN212775743U
Application number: CN202020380307.XU
Authority: CN
Inventors: 杜兴革; 蔡时雨; 张亚威
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-03-23
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to a drainage valve technical field just discloses a drainage valve with prevent function of flowing backwards, which comprises an outer shell, the bottom inner wall of shell respectively with the bottom fixed connection of two sets of limiting plates, the left side inner wall of shell respectively with the left end fixed connection of two sets of protection tubes, it is two sets of the right-hand member of protection tube respectively with the left middle part fixed connection of two sets of limiting plates, be provided with compression spring and guiding axle in the protection tube. This drain valve with prevent function of flowing backwards, through the limiting plate, compression spring, the cooperation of guiding axle and spoiler for drain valve possesses better prevent function of flowing backwards, and makes the valve no matter what kind of installation angle homoenergetic enough play the effect of preventing flowing backwards, through the cooperation of two sets of humidity transducer, bee calling organ, spoiler and observation window, makes drain valve can play the alarm effect to the refluence in the pipeline, and has made things convenient for the user to look over the inside condition of drain valve.

Description

Drainage valve with backflow prevention function

Technical Field

The utility model relates to a drainage valve technical field specifically is a drainage valve with prevent backflow function.

Background

The drainage valve is an indispensable water industry product and is mainly applied to the fields of water supply and drainage engineering, industrial and domestic sewage treatment, hydraulic engineering and the like of cities, buildings and enterprises. But traditional drainage valve is not convenient for carry out the separation to the refluence of rivers, and it is comparatively inconvenient to use.

Chinese patent publication No. CN208859003U provides a drain valve with backflow prevention function, which comprises a valve body, wherein a valve cover is fixedly arranged at the top of the valve body, an overhauling lifting ring is inserted into the valve cover, flange plates are fixedly arranged at the left end and the right end of the valve body, a water inlet cavity and a water outlet cavity are respectively arranged at the left end and the right end of the interior of the valve body, a first valve plate and a second valve plate are respectively arranged in a cavity between the water inlet cavity and the water outlet cavity, the first valve plate is sleeved on a guide pillar, a stop block is fixedly arranged on the right side surface of the first valve plate, a first convex ring and a second groove are respectively arranged on the left side surface of the first valve plate, a first groove and a second convex ring which are matched with the first convex ring and the second groove are arranged on the inner wall of the valve body, the top end of the second valve plate is hinged with the valve seat through a pin shaft, through setting up first valve plate and second valve plate for this valve has double-deck anti-backflow structure, but this kind of drain valve with prevent backflow function only a kind of installation direction, after 90 degrees when the valve is rotatory, its first valve plate and second valve plate all can receive gravity to influence the gliding, and then can't play the effect of preventing backflow, and lack the warning to the user when producing the refluence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a drainage valve with prevent function of flowing backwards has solved but traditional drainage valve is not convenient for carry out the separation to the refluence of rivers, uses comparatively inconvenient problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a drainage valve with backflow prevention function comprises a shell, wherein the bottom inner wall of the shell is fixedly connected with the bottoms of two groups of limiting plates respectively, the left inner wall of the shell is fixedly connected with the left ends of two groups of protecting tubes respectively, the right ends of the two groups of protecting tubes are fixedly connected with the left middle parts of the two groups of limiting plates respectively, compression springs and guide shafts are arranged in the protecting tubes, the compression springs are located at the outer sides of the guide shafts, the left ends of the compression springs and the left ends of the guide shafts are fixedly connected with the left inner wall of the shell, the right ends of the guide shafts penetrate through the limiting plates and are fixedly connected with the right inner wall of the shell, the right ends of the compression springs penetrate through the limiting plates and are fixedly connected with the left sides of flow baffles, the tops and the bottoms of the flow baffles are respectively slidably connected with the two groups of guide shafts, the flow baffles are located, two sets of the hose is located the outside of two sets of guiding axles respectively, the right-hand member of hose bonds with the right side inner wall of shell, the middle part on the left middle part of shell and right side all communicates and is provided with the connecting pipe, the top joint of shell has the apron, the right side below joint of apron upper surface has the observation window, be sealing connection between apron and shell and observation window and the apron, the top of apron upper surface and the bottom fixedly connected with mount pad of mount pad, the threaded controller that is equipped with in the mount pad, the middle part of apron upper surface respectively with two sets of humidity transducer's top spiral shell dress, two sets of humidity transducer's bottom all stretches into in the shell, and two sets of humidity transducer are located the left side and the right side of spoiler respectively, and are two sets of humidity transducer's front side is provided with bee calling organ, bee calling organ and apron.

Preferably, the first hole of dodging that runs through the limiting plate is seted up at the middle part of limiting plate, the hole is dodged to the second that runs through the spoiler is all seted up to the left place ahead of spoiler and rear, the diameter in the first hole of dodging and compression spring's diameter looks adaptation, the diameter in the second hole of dodging and the diameter looks adaptation of guiding axle.

Preferably, the natural length of the compression spring is smaller than the distance between the left side of the limiting plate and the inner wall of the left side of the shell, and the distance between the two groups of limiting plates is smaller than the length of the spoiler.

Preferably, the outer surface of the connecting pipe is provided with external threads, and the outer surface of the shell and the outer surface of the cover plate are both provided with wear-resistant coatings.

Preferably, the hose is a rubber hose, and the length of the hose is equal to the distance from the right side of the limiting plate to the right side of the shell.

Preferably, the input of controller is connected with two sets of humidity transducer's output electricity respectively in the mount pad, and the output of controller is connected with the input of bee calling organ electricity in the mount pad, the observation window is transparent plastic slab.

(III) advantageous effects

Compared with the prior art, the utility model provides a drainage valve with prevent refluence function possesses following beneficial effect:

1. this drain valve with prevent function of flowing backwards, through the limiting plate, compression spring, the cooperation of guiding axle and spoiler for drain valve possesses better prevent function of flowing backwards, and makes the valve no matter what kind of installation angle homoenergetic enough play the effect of preventing flowing backwards, through the cooperation of two sets of humidity transducer, bee calling organ, spoiler and observation window, makes drain valve can play the alarm effect to the refluence in the pipeline, and has made things convenient for the user to look over the inside condition of drain valve.

2. This drain valve with prevent function of flowing backwards through the cooperation of protection tube, hose, compression spring and leading axle, has reduced the contact of leading axle and compression spring with rivers, has improved drain valve's life, is provided with the external screw thread through the surface of connecting pipe for drain valve is more easily installed in the pipeline, has improved the convenience that drain valve used.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a sectional view of the internal structure of the housing of the present invention.

In the figure: 1. a housing; 2. a limiting plate; 3. protecting the tube; 4. a guide shaft; 5. a compression spring; 6. a first avoidance hole; 7. a spoiler; 8. a second avoidance hole; 9. a hose; 10. a connecting pipe; 11. a cover plate; 12. An observation window; 13. a mounting seat; 14. a humidity sensor; 15. a buzzer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drainage valve with a backflow prevention function comprises a shell 1, the bottom inner wall of the shell 1 is fixedly connected with the bottoms of two groups of limiting plates 2 respectively, the left inner wall of the shell 1 is fixedly connected with the left ends of two groups of protecting tubes 3 respectively, the right ends of the two groups of protecting tubes 3 are fixedly connected with the left middle parts of the two groups of limiting plates 2 respectively, compression springs 5 and guide shafts 4 are arranged in the protecting tubes 3, the compression springs 5 are positioned on the outer sides of the guide shafts 4, the left ends of the compression springs 5 and the left ends of the guide shafts 4 are fixedly connected with the left inner wall of the shell 1, the right ends of the guide shafts 4 penetrate through the limiting plates 2 and are fixedly connected with the right inner wall of the shell 1, the right ends of the compression springs 5 penetrate through the limiting plates 2 and are fixedly connected with the left sides of flow blocking plates 7, the top and the bottom of the blocking plates 7 are slidably, the front and the rear of the left side of the spoiler 7 are both provided with a second avoiding hole 8 penetrating through the spoiler 7, the diameter of the first avoiding hole 6 is matched with the diameter of the compression spring 5, the diameter of the second avoiding hole 8 is matched with the diameter of the guide shaft 4, the spoiler 7 is positioned on the right side of the two groups of limiting plates 2, the drainage valve has a better anti-backflow function through the matching of the limiting plates 2, the compression spring 5, the guide shaft 4 and the spoiler 7, the right side of the spoiler 7 is respectively bonded with the left ends of the two groups of hoses 9, the two groups of hoses 9 are respectively positioned on the outer sides of the two groups of guide shafts 4, the right ends of the hoses 9 are bonded with the inner wall of the right side of the shell 1, the middle parts of the left side and the right side of the shell 1 are both communicated with a connecting pipe 10, the top of the shell 1 is clamped with a cover plate 11, the right lower right side of the upper surface of the cover, the top of 11 upper surfaces of apron and the bottom fixedly connected with mount pad 13 of mount pad 13, the controller is equipped with to screw in the mount pad 13, the middle part of 11 upper surfaces of apron respectively with two sets of humidity transducer 14's top spiral shell dress, two sets of humidity transducer 14's bottom all stretches into in shell 1, and two sets of humidity transducer 14 are located the left side and the right side of spoiler 7 respectively, two sets of humidity transducer 14's front side is provided with bee calling organ 15, bee calling organ 15 and apron 11 spiro union.

It is specific, in order to make the valve no matter what kind of installation angle homoenergetic enough play the effect of anti-backflow, compression spring 5's natural length is less than the distance between 2 left sides of limiting plate to the 1 left side inner wall of shell, distance between two sets of limiting plates 2 is less than spoiler 7's length, when spoiler 7 right side has rivers refluence, spoiler 7 is closely laminated with limiting plate 2 by the pulling of compression spring 5 left on the one hand, on the other hand receives the promotion of rivers left, make and can not produce the gap between limiting plate 2 and the spoiler 7, and then prevented the refluence of rivers.

Specifically, in order to improve the convenience of the use of the drain valve, the outer surface of the connecting pipe 10 is provided with external threads, so that the drain valve is easier to install in a pipeline, and the outer surface of the shell 1 and the outer surface of the cover plate 11 are both provided with wear-resistant coatings, thereby reducing the wear of the valve.

Specifically, in order to improve drain valve's life, hose 9 is rubber hose, and hose 9's length equals the distance between 2 right sides of limiting plate to the shell 1 right side, and then make hose 9 can play the guard action to the right side of leading shaft 4, deformation through hose 9 has avoided producing the hindrance to spoiler 7's removal simultaneously, protection tube 3 can play the guard action to compression spring 5 and the left side of leading shaft 4, the contact of leading shaft 4 and compression spring 5 with rivers has been reduced.

It is specific, in order to make the drain valve can play the alarm effect to the refluence in the pipeline, and the person of facilitating the use looks over the drain valve internal conditions, the input of controller is connected with two sets of humidity transducer 14's output electricity respectively in mount pad 13, the output of controller is connected with bee calling organ 15's input electricity in mount pad 13, observation window 12 is transparent plastic board, two sets of humidity transducer 14 continuously monitor the humidity of 7 left and right sides of spoiler, only detect higher humidity when being located the humidity transducer 14 on spoiler 7 right side, and it does not detect equal humidity often to be located the left humidity transducer 14 of spoiler 7, controller control bee calling organ 15 in mount pad 13 sends the alarm, the user can look over the refluence that whether appears rivers in the pipeline through observation window 12 simultaneously.

The working principle is as follows: when the valve is used, the valve is communicated and arranged in a pipeline through the external threads on the outer surfaces of the two groups of connecting pipes 10, when water flows in from the left side of the spoiler 7, the water flow pushes the spoiler 7 to move rightwards, so that a gap is generated between the spoiler 7 and the limiting plate 2, and further the water flows rightwards through the gap and flows out through the other group of connecting pipes 10, when the water flows backwards on the right side of the spoiler 7, the spoiler 7 is pulled leftwards by the compression spring 5 to be tightly attached to the limiting plate 2 on one hand, and is pushed leftwards by the water flow on the other hand, so that no gap is generated between the limiting plate 2 and the spoiler 7, the backflow of the water flow is prevented, the valve can play a role in preventing backflow no matter any installation angle, the humidity on the left side and the right side of the spoiler 7 is continuously monitored by the two groups of, when the humidity sensor 14 on the left side of the spoiler 7 does not detect the same humidity, the controller in the mounting seat 13 controls the buzzer 15 to give an alarm, and meanwhile, a user can check whether the backflow of water flow occurs in the pipeline through the observation window 12.

In conclusion, the drain valve with the backflow prevention function has the advantages that through the matching of the limiting plate 2, the compression spring 5, the guide shaft 4 and the spoiler 7, so that the drainage valve has better backflow prevention function, and the valve can play a backflow prevention role no matter what installation angle, through the cooperation of the two groups of humidity sensors 14, the buzzer 15, the spoiler 7 and the observation window 12, so that the drainage valve can alarm the backflow in the pipeline, and is convenient for a user to check the internal condition of the drainage valve, through the matching of the protection tube 3, the hose 9, the compression spring 5 and the guide shaft 4, the contact between the guide shaft 4 and the compression spring 5 and water flow is reduced, the service life of the drainage valve is prolonged, the outer surface of the connecting pipe 10 is provided with the external thread, so that the drainage valve is easier to install in a pipeline, and the use convenience of the drainage valve is improved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drain valve with prevent refluence function, includes shell (1), its characterized in that: the bottom inner wall of shell (1) respectively with the bottom fixed connection of two sets of limiting plate (2), the left side inner wall of shell (1) respectively with the left end fixed connection of two sets of protection tube (3), two sets of the right-hand member of protection tube (3) respectively with the left middle part fixed connection of two sets of limiting plate (2), be provided with compression spring (5) and leading axle (4) in the protection tube (3), compression spring (5) are located the outside of leading axle (4), the left end of compression spring (5) and the left end of leading axle (4) all with the left side inner wall fixed connection of shell (1), the right-hand member of leading axle (4) passes limiting plate (2) and with the right side inner wall fixed connection of shell (1), the right-hand member of compression spring (5) pass limiting plate (2) and with the left side fixed connection of spoiler (7), the top and the bottom of spoiler (7) respectively with two sets of leading axle (4) sliding connection, the spoiler (7) is located the right side of two sets of limiting plates (2), the right side of spoiler (7) bonds with the left end of two sets of hoses (9) respectively, and is two sets of hose (9) are located the outside of two sets of leading axle (4) respectively, the right-hand member of hose (9) bonds with the right side inner wall of shell (1), the middle part on shell (1) left middle part and right side all communicates and is provided with connecting pipe (10), the top joint of shell (1) has apron (11), the right side below joint of apron (11) upper surface has observation window (12), be sealing connection between apron (11) and shell (1) and observation window (12) and apron (11), the top of apron (11) upper surface and the bottom fixedly connected with mount pad (13) of mount pad (13), the screw is equipped with the controller in mount pad (13), the middle part of apron (11) upper surface respectively with the top screw dress of two sets of humidity transducer (14), two sets of in the bottom of humidity transducer (14) all stretched into shell (1), and two sets of humidity transducer (14) are located the left side and the right side of spoiler (7) respectively, and are two sets of the front side of humidity transducer (14) is provided with bee calling organ (15), bee calling organ (15) and apron (11) spiro union.

2. The drain valve with the backflow prevention function according to claim 1, wherein: the first hole (6) of dodging that runs through limiting plate (2) is seted up at the middle part of limiting plate (2), hole (8) are dodged to the second that runs through spoiler (7) is all seted up to left the place ahead and rear of spoiler (7), the diameter of first hole (6) of dodging and the diameter looks adaptation of compression spring (5), the diameter of hole (8) is dodged to the second and the diameter looks adaptation of leading axle (4).

3. The drain valve with the backflow prevention function according to claim 1, wherein: the natural length of the compression spring (5) is smaller than the distance between the left side of the limiting plate (2) and the inner wall of the left side of the shell (1), and the distance between the two groups of limiting plates (2) is smaller than the length of the spoiler (7).

4. The drain valve with the backflow prevention function according to claim 1, wherein: the outer surface of the connecting pipe (10) is provided with external threads, and the outer surface of the shell (1) and the outer surface of the cover plate (11) are both provided with wear-resistant coatings.

5. The drain valve with the backflow prevention function according to claim 1, wherein: hose (9) are rubber hose, and the length of hose (9) equals limiting plate (2) right side to the distance between shell (1) right side.

6. The drain valve with the backflow prevention function according to claim 1, wherein: the input of controller is connected with the output electricity of two sets of humidity transducer (14) respectively in mount pad (13), and the output of controller is connected with the input electricity of bee calling organ (15) in mount pad (13), observation window (12) are transparent plastic slab.