CN216518577U - Anti-reflux valve for water pump - Google Patents
Anti-reflux valve for water pump Download PDFInfo
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- CN216518577U CN216518577U CN202121617378.8U CN202121617378U CN216518577U CN 216518577 U CN216518577 U CN 216518577U CN 202121617378 U CN202121617378 U CN 202121617378U CN 216518577 U CN216518577 U CN 216518577U
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Abstract
The utility model provides an anti-reflux valve for a water pump, which belongs to the technical field of water pumps and comprises a device shell, a water pipeline, a limiting support and a limiting plug head, wherein the water pipeline is fixedly connected inside the right side of the device shell, the limiting support is movably connected inside the device shell and penetrates through the water pipeline, and the limiting plug head for placing countercurrent is fixedly connected to the periphery of the inner surface of the water pipeline. When rivers flow to the water pipeline below in this scheme, rivers can promote spacing chock plug to make spacing chock plug and the spacing protruding separation of water pipeline, thereby make rivers can be smooth through, and rivers reverse upflow can be with spacing chock plug jack-up, thereby make spacing chock plug and spacing bellied left and right sides closed, thereby play an effect of preventing against the current.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to the technical field of a backflow prevention valve.
Background
Water pumps are machines that deliver or pressurize a liquid.
To the research of water pump, through the search discovery, there is a patent number CN201921745853.2 that discloses a prevent valve against current for water conservancy pipeline, this kind of prevent valve against current for water conservancy pipeline is provided with the casing, the valve casing, the rubber valve, the spring holder, the wash port, the spring, the water inlet, the filter screen, the delivery port, the recess, the baffle, the second screwed pipe, can make rubber valve automatic switch through rivers to the pressure of spring, can effectively avoid the delivery port blocking phenomenon to appear through the filter screen, can effectively prevent through setting up six wash ports that the internal damage that causes of pressure is too big in the valve.
However, research and analysis show that the backflow prevention valve for the water conservancy pipeline can prevent the water outlet from being blocked, and can effectively prevent the internal damage caused by overlarge pressure in the valve by arranging six drain holes, but when the backflow prevention valve is used for a water pump, the backflow prevention valve is easy to cause metal fatigue and rupture caused by overlarge pressure due to a single backflow prevention structure because the water flow pressure of the water pump is high in flow speed, so that the backflow prevention valve is damaged after being used for a long time.
SUMMERY OF THE UTILITY MODEL
The present invention is made to solve the problems in the background art described above, and therefore provides an anti-backflow valve for a water pump.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a water pump is with preventing valve against reverse flow, includes device shell, water service pipeline, spacing support and spacing chock plug, the inside fixedly connected with water service pipeline in device shell right side, the inside swing joint of device shell has spacing support, and spacing support runs through the setting in water service pipeline, fixedly connected with has the spacing chock plug that is used for placing the adverse current around the water service pipeline inside surface.
Preferably, the device shell still includes servo motor and loose gear, servo motor fixed connection is in the inside left side of device shell, the loose gear rotates the inboard of connecting at the device shell through the pivot, servo motor is connected with the loose gear through drive chain, the loose gear surface is provided with the arch, and a loose gear side surface is smooth setting.
Preferably, spacing support still includes spacing spring, meshing arch, limit baffle, spacing spring fixed connection is on the left of the top of spacing support, the protruding fixed connection of meshing is on the bottom surface of spacing support, limit baffle fixed connection is on the surface of spacing support, limit baffle is the arc shape.
Preferably, the limiting stopper head further comprises a limiting support and a limiting spring II, the limiting support is fixedly connected to the left side and the right side of the limiting stopper head, the limiting spring II is fixedly connected to the top surface of the limiting support, and the limiting stopper head is clamped in the water pipeline through the limiting support.
The utility model provides a valve for preventing backflow for a water pump, which has the following beneficial effects:
1. this kind of water pump is provided with spacing support with preventing reflux valve, when the top of water service pipe need carry the water source downwards, at first servo motor work drives the loose gear and rotates certain angle, thereby make the protruding meshing with the meshing arch on loose gear surface, thereby make spacing support remove to the left side of device shell, thereby make spacing support and water service pipe separation, thereby make water service pipe not being stopped up, thereby make the top rivers of water service pipe can flow to the below, can make water service pipe play the effect of first initiative anti-reflux through this kind of setting.
2. Secondly, still be provided with spacing chock plug, when rivers flow to the water pipeline below, rivers can promote spacing chock plug to make spacing chock plug and the spacing protruding separation of water pipeline, thereby make rivers can be smooth through, and rivers reverse upflow can be with spacing chock plug jack-up, thereby make spacing chock plug and the closed of spacing bellied left and right sides, thereby play an effect against the current.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a structural diagram of the overall use state of the present invention.
Fig. 3 is a structural diagram of the whole using state of the utility model.
Fig. 4 is a schematic structural diagram of fig. 1 at a according to the present invention.
Fig. 5 is a schematic structural view of the limit baffle of the present invention.
In FIGS. 1-5: 1-device shell, 101-servo motor, 102-movable gear, 2-water pipeline, 3-limit bracket, 301-limit spring, 302-meshing bulge, 303-limit baffle, 4-limit plug, 401-limit bracket II and 402-limit spring II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, an anti-backflow valve for a water pump includes a device housing 1, a water pipeline 2, a limiting bracket 3 and a limiting plug 4, the water pipeline 2 is fixedly connected to the inside of the right side of the device housing 1, the limiting bracket 3 is movably connected to the inside of the device housing 1, the limiting bracket 3 is arranged in the water pipeline 2 in a penetrating manner, and the limiting plug 4 for placing backflow is fixedly connected to the periphery of the inner surface of the water pipeline 2.
In this embodiment, the device housing 1 further includes a servo motor 101 and a movable gear 102, the servo motor 101 is fixedly connected to the left side of the inside of the device housing 1, the movable gear 102 is rotatably connected to the inside of the device housing 1 through a rotating shaft,
according to the above description, further, the servo motor 101 is connected with the movable gear 102 through a transmission chain;
furthermore, a protrusion is disposed on the surface of the movable gear 102, and a surface of one side of the movable gear 102 is disposed smoothly.
In this embodiment, the limiting bracket 3 further comprises a limiting spring 301, an engaging protrusion 302 and a limiting baffle 303, the limiting spring 301 is fixedly connected to the left side of the top of the limiting bracket 3, the engaging protrusion 302 is fixedly connected to the bottom surface of the limiting bracket 3, and the limiting baffle 303 is fixedly connected to the surface of the limiting bracket 3;
further, the limit stop 303 is in the shape of a circular arc according to the above description.
In this embodiment, the limiting stopper 4 further comprises a second limiting support 401 and a second limiting spring 402, the second limiting support 401 is fixedly connected to the left side and the right side of the limiting stopper 4, and the second limiting spring 402 is fixedly connected to the top surface of the second limiting support 401;
according to the above description, further, the limiting plug 4 is arranged in the water pipeline 2 in a clamping mode through the second limiting bracket 401.
Wherein the end of one side of the limit spring 301 is connected with the device shell 1.
Wherein the water passage 2 is provided with an inclined projection inside.
Wherein the tail end of one side of the second limiting spring 402 is connected with the inclined bulge of the water pipeline 2.
Wherein the movable gear 102 is engaged with the engaging protrusion 302 through the protrusion.
Wherein, one side of the device shell 1 is fixedly connected with a control switch through an electric wire, and the control switch is electrically connected with the servo motor 101.
When the valve for preventing reverse-flow for water pump of the present invention is used, first, when a water source needs to be delivered downwards from above the water passage 2, the servo motor 101 is operated to drive the movable gear 102 to rotate a certain angle, so that the protrusion on the surface of the movable gear 102 is engaged with the engaging protrusion 302, so that the position-limiting bracket 3 moves to the left side of the device housing 1, so that the position-limiting bracket 3 is separated from the water passage 2, so that the water passage 2 is not plugged, so that the water flow above the water passage 2 can flow to the lower side, and when the water passage 2 is closed, the movable gear 102 rotates a certain angle again, so that the smooth surface of the movable gear 102 is not engaged with the engaging protrusion 302, so that the position-limiting bracket 3 is restored to be closed again with the water passage 2, when the water flow flows below the water passage 2, the water flow pushes the position-limiting plug 4, so that the position-limiting plug 4 is separated from the position-limiting protrusion of the water passage 2, thereby make rivers can be smooth pass through, and rivers can jack-up spacing chock plug 4 during reverse upflow to make spacing chock plug 4 and spacing bellied left and right sides closed, thereby play the effect against the current is prevented to a secondary.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (8)
1. The utility model provides a water pump is with preventing valve against reverse flow, includes device shell (1), water service pipe (2), spacing support (3) and spacing chock plug (4), its characterized in that, water service pipe (2) are installed on device shell (1) right side, device shell (1) internally mounted has spacing support (3), water service pipe (2) internally mounted has and is used for placing spacing chock plug (4) against the current.
2. The valve for preventing reverse-flow for a water pump according to claim 1, characterized in that: the device shell (1) further comprises a servo motor (101) and a movable gear (102), wherein the servo motor (101) is fixedly connected to the left side of the inside of the device shell (1), and the movable gear (102) is rotatably connected to the inner side of the device shell (1) through a rotating shaft.
3. The valve for preventing reverse-flow for a water pump according to claim 2, characterized in that: the servo motor (101) is connected with the movable gear (102) through a transmission chain.
4. The valve for preventing reverse-flow for a water pump according to claim 2, characterized in that: the surface of the movable gear (102) is provided with a bulge, and the surface of one side of the movable gear (102) is smoothly arranged.
5. The valve for preventing reverse-flow for a water pump according to claim 1, characterized in that: spacing support (3) still include spacing spring (301), meshing arch (302), limit baffle (303), spacing spring (301) fixed connection is on the left of the top of spacing support (3), meshing arch (302) fixed connection is on the bottom surface of spacing support (3), limit baffle (303) fixed connection is on the surface of spacing support (3).
6. The valve for preventing reverse-flow for a water pump according to claim 5, characterized in that: the limiting baffle (303) is in a circular arc shape.
7. The valve for preventing reverse-flow for a water pump according to claim 1, characterized in that: spacing chock plug (4) still include spacing support two (401) and spacing spring two (402), spacing support two (401) fixed connection is in spacing chock plug (4) left and right sides, spacing spring two (402) fixed connection is in spacing support two (401) top surface.
8. The valve for preventing reverse-flow for a water pump according to claim 7, characterized in that: the limiting plug head (4) is clamped in the water pipeline (2) through a second limiting support (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121617378.8U CN216518577U (en) | 2021-07-16 | 2021-07-16 | Anti-reflux valve for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121617378.8U CN216518577U (en) | 2021-07-16 | 2021-07-16 | Anti-reflux valve for water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518577U true CN216518577U (en) | 2022-05-13 |
Family
ID=81460871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121617378.8U Active CN216518577U (en) | 2021-07-16 | 2021-07-16 | Anti-reflux valve for water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216518577U (en) |
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2021
- 2021-07-16 CN CN202121617378.8U patent/CN216518577U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220803 Address after: 102600 room 0912, floor 9, building 2, yard 12, Jinxing Road, Daxing District, Beijing Patentee after: Beijing Beiran Construction Engineering Energy Co.,Ltd. Address before: 710000 No. 10521, floor 5, unit 1, building 1, Eurasia international phase I, No. 666, Chanba Ecological District, Baqiao District, Xi'an City, Shaanxi Province Patentee before: Zeng Yongjun |