CN215861902U - Check valve of water pump - Google Patents
Check valve of water pump Download PDFInfo
- Publication number
- CN215861902U CN215861902U CN202122105588.5U CN202122105588U CN215861902U CN 215861902 U CN215861902 U CN 215861902U CN 202122105588 U CN202122105588 U CN 202122105588U CN 215861902 U CN215861902 U CN 215861902U
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- valve core
- water pump
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Abstract
The utility model relates to the technical field of valves, in particular to a check valve of a water pump, which comprises: the water inlet joint is arranged at the lower part of the valve body, and the water outlet joint is arranged at the side part of the valve body; the valve core is connected in the valve body in a sliding fit mode, so that the valve core is connected with the inner wall of the water inlet connector in a sealing mode under the action of gravity of the valve core; the upper cover is connected with the upper part of the valve body in a sealing way; the flow sensor is connected to one side of the valve body; the valve body, the valve core and the upper cover are all made of copper. When the water pump does not work by utilizing the gravity action of the valve core, the water pressure of the water outlet joint and the gravity of the valve core exert pressure downwards under the combined action, the water inlet joint is tightly close to the water inlet joint, the water inlet joint is sealed by the valve core, the water at the water outlet joint is prevented from flowing back to enter the water inlet joint, the water flow in the check valve of the water pump can be monitored in real time due to the fact that the flow sensor is arranged on the side portion of the valve body, and the valve body, the valve core and the upper cover are made of copper, so that the water pump has the advantage of being long in service life.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a check valve of a water pump.
Background
The check valve for water pump has the working principle that the medium flows in from the inlet end (lower end) and flows out from the outlet end, when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards.
Traditional water pump check valve has life limited, can't carry out the defect monitored to discharge.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to improve its life through improving the structure of water pump check valve to make it have the function of discharge control.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a water pump check valve, comprising:
the water inlet joint is arranged at the lower part of the valve body, and the water outlet joint is arranged at the side part of the valve body;
the valve core is connected in the valve body in a sliding fit mode, so that the valve core is connected with the inner wall of the water inlet connector in a sealing mode under the action of gravity of the valve core;
the upper cover is connected with the upper part of the valve body in a sealing way;
the flow sensor is connected to one side of the valve body;
the valve body, the valve core and the upper cover are all made of copper.
The valve further comprises a limiting seat, the limiting seat is connected between the upper cover and the valve body, a limiting hole is formed in the middle of the limiting seat, and a limiting column in sliding fit with the limiting hole is connected to the upper portion of the valve core.
Furthermore, one side of the valve core is provided with a limiting block, and the inner wall of the valve body is provided with a limiting groove in limiting fit with the limiting block.
Furthermore, the lower part of the valve core is connected with more than 3 positioning columns, and the positioning columns are connected with the inner wall of the water inlet connector in a sliding fit manner.
Furthermore, the middle part of one side of the valve body, which is provided with the limiting seat, is provided with a spoke, and the limiting hole is arranged in the middle part of the spoke.
Furthermore, the limiting seat is made of copper.
The utility model has the beneficial effects that: the water pump check valve provided by the utility model has a simple structure, when the water pump does not work under the combined action of the water pressure of the water outlet joint and the gravity of the valve core by utilizing the gravity action of the valve core, the water pressure is downwards applied to the water inlet joint and is abutted against the water inlet joint, the water inlet joint is sealed by the valve core, the water at the water outlet joint is prevented from flowing backwards to enter the water inlet joint, the water flow in the water pump check valve can be monitored in real time due to the fact that the flow sensor is arranged on the side portion of the valve body, and the valve body, the valve core and the upper cover are all made of copper, so that the water pump check valve has the advantage of long service life.
Drawings
FIG. 1 is an exploded view of a check valve of a water pump according to an embodiment of the present invention;
FIG. 2 is an exploded view of a check valve of a water pump according to an embodiment of the present invention;
description of reference numerals:
1. a valve body; 11. a water inlet joint; 12. a water outlet joint; 13. a limiting groove; 2. a valve core; 21. a limiting block; 22. a positioning column; 23. a limiting column; 3. an upper cover; 4. a flow sensor; 5. a limiting seat; 51. a limiting hole; 52. spokes.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the present invention relates to a check valve for a water pump, including:
the water-saving valve comprises a valve body 1, wherein a water inlet joint 11 is arranged at the lower part of the valve body 1, and a water outlet joint 12 is arranged at the side part of the valve body 1;
the valve core 2 is connected in the valve body 1 in a sliding fit manner, so that the valve core 2 is in sealing connection with the inner wall of the water inlet joint 11 under the action of gravity;
the upper cover 3 is connected with the upper part of the valve body 1 in a sealing way;
the flow sensor 4 is connected to one side of the valve body 1;
the valve body 1, the valve core 2 and the upper cover 3 are all made of copper.
In the structure, a sealing ring can be arranged at the joint of the valve core 2 and the water inlet joint 11;
in the structure, the side part of the valve body 1 is provided with the mounting seat for mounting the flow sensor 4, and the mounting seat is provided with the through hole, so that the inductive probe of the flow sensor 4 extends into the valve body 1 through the through hole.
The water pump check valve is simple in structure, when the water pump does not work under the action of gravity of the valve core 2, the water pressure of the water outlet joint 12 and the gravity of the valve core 2 exert pressure downwards, the water inlet joint 11 is closed by the valve core 2 and abuts against the water inlet joint 11, water at the water outlet joint 12 is prevented from flowing backwards to enter the water inlet joint 11, the water flow in the water pump check valve can be monitored in real time due to the fact that the flow sensor 4 is arranged on the side portion of the valve body 1, the valve core 2 and the upper cover 3 are made of copper, and the water pump check valve has the advantage of being long in service life.
Further, among the above-mentioned water pump check valve structure, still include spacing seat 5, spacing seat 5 is connected between upper cover 3 and valve body 1, the middle part of spacing seat 5 is equipped with spacing hole 51, and the upper portion of case 2 is connected with the spacing post 23 with spacing hole 51 sliding fit.
The structure enables the valve core 2 to move in the valve body 1 to be accurately limited, and further ensures that the valve core 2 is in sealing connection with the water inlet joint 11 in a free state.
Further, in the above-mentioned water pump check valve structure, one side of case 2 is equipped with stopper 21, the inner wall of valve body 1 is equipped with the spacing complex spacing groove 13 with stopper 21.
The structure enables the valve core 2 to move in the valve body 1 to be accurately limited, and further ensures that the valve core 2 is in sealing connection with the water inlet joint 11 in a free state.
Furthermore, in the above water pump check valve structure, the lower part of the valve core 2 is connected with more than 3 positioning columns 22, and the positioning columns 22 are connected with the inner wall of the water inlet joint 11 in a sliding fit manner.
The structure enables the valve core 2 to move in the valve body 1 to be accurately limited, and further ensures that the valve core 2 is in sealing connection with the water inlet joint 11 in a free state.
Further, in the above-mentioned water pump check valve structure, the middle part that one side of valve body 1 was equipped with spacing seat 5 is equipped with spoke 52, spacing hole 51 sets up the middle part at spoke 52.
Further, in the check valve structure of the water pump, the limiting seat 5 is made of copper.
The limiting seat 5 is made of copper, and has the advantage of long service life.
Example 1
A water pump check valve comprising: the water-saving valve comprises a valve body 1, wherein a water inlet joint 11 is arranged at the lower part of the valve body 1, and a water outlet joint 12 is arranged at the side part of the valve body 1; the valve core 2 is connected in the valve body 1 in a sliding fit manner, so that the valve core 2 is in sealing connection with the inner wall of the water inlet joint 11 under the action of gravity; the upper cover 3 is connected with the upper part of the valve body 1 in a sealing way; the flow sensor 4 is connected to one side of the valve body 1; the valve body 1, the valve core 2 and the upper cover 3 are all made of copper. A sealing ring can be arranged at the joint of the valve core 2 and the water inlet joint 11; the side of the valve body 1 is provided with a mounting seat for mounting the flow sensor 4, and the mounting seat is provided with a through hole, so that an inductive probe of the flow sensor 4 extends into the valve body 1 through the through hole.
The valve is characterized by further comprising a limiting seat 5, wherein the limiting seat 5 is connected between the upper cover 3 and the valve body 1, a limiting hole 51 is formed in the middle of the limiting seat 5, and a limiting column 23 in sliding fit with the limiting hole 51 is connected to the upper portion of the valve core 2. One side of the valve core 2 is provided with a limiting block 21, and the inner wall of the valve body 1 is provided with a limiting groove 13 which is in limiting fit with the limiting block 21. The lower part of the valve core 2 is connected with more than 3 positioning columns 22, and the positioning columns 22 are connected with the inner wall of the water inlet joint 11 in a sliding fit manner. The structure enables the valve core 2 to move in the valve body 1 to be accurately limited, and further ensures that the valve core 2 is in sealing connection with the water inlet joint 11 in a free state.
The middle part of one side of the valve body 1, which is provided with the limiting seat 5, is provided with a spoke 52, and the limiting hole 51 is arranged in the middle part of the spoke 52. The limiting seat 5 is made of copper. Has the advantage of long service life.
In conclusion, the water pump check valve provided by the utility model has a simple structure, when the water pump does not work under the combined action of the water pressure of the water outlet joint and the gravity of the valve core by utilizing the gravity action of the valve core, the water outlet joint is pressed downwards under the combined action of the water pressure of the water outlet joint and the gravity of the valve core and is abutted against the water inlet joint, the water inlet joint is sealed by the valve core, the water at the water outlet joint is prevented from flowing backwards to enter the water inlet joint, the water flow in the water pump check valve can be monitored in real time due to the fact that the flow sensor is arranged on the side portion of the valve body, and the valve body, the valve core and the upper cover are all made of copper, and the water pump check valve has the advantage of long service life.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. Water pump check valve, its characterized in that includes:
the water inlet joint is arranged at the lower part of the valve body, and the water outlet joint is arranged at the side part of the valve body;
the valve core is connected in the valve body in a sliding fit mode, so that the valve core is connected with the inner wall of the water inlet connector in a sealing mode under the action of gravity of the valve core;
the upper cover is connected with the upper part of the valve body in a sealing way;
the flow sensor is connected to one side of the valve body;
the valve body, the valve core and the upper cover are all made of copper.
2. The water pump check valve of claim 1, further comprising a limiting seat connected between the upper cover and the valve body, wherein a limiting hole is formed in the middle of the limiting seat, and a limiting post in sliding fit with the limiting hole is connected to the upper portion of the valve core.
3. The water pump check valve of claim 1, wherein a stopper is disposed on one side of the valve core, and a stopper groove for limiting engagement with the stopper is disposed on an inner wall of the valve body.
4. The water pump check valve of claim 1, wherein the lower portion of the valve core is connected with more than 3 positioning columns, and the positioning columns are connected with the inner wall of the water inlet connector in a sliding fit manner.
5. The check valve of claim 2, wherein the middle part of the valve body, which is provided with the limiting seat at one side, is provided with a spoke, and the limiting hole is arranged at the middle part of the spoke.
6. The water pump check valve of claim 2, wherein the retaining seat is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105588.5U CN215861902U (en) | 2021-09-02 | 2021-09-02 | Check valve of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105588.5U CN215861902U (en) | 2021-09-02 | 2021-09-02 | Check valve of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861902U true CN215861902U (en) | 2022-02-18 |
Family
ID=80246515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122105588.5U Active CN215861902U (en) | 2021-09-02 | 2021-09-02 | Check valve of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861902U (en) |
-
2021
- 2021-09-02 CN CN202122105588.5U patent/CN215861902U/en active Active
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