CN211423466U - Submersible pump hydraulic guiding type check valve - Google Patents
Submersible pump hydraulic guiding type check valve Download PDFInfo
- Publication number
- CN211423466U CN211423466U CN201922438694.8U CN201922438694U CN211423466U CN 211423466 U CN211423466 U CN 211423466U CN 201922438694 U CN201922438694 U CN 201922438694U CN 211423466 U CN211423466 U CN 211423466U
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- valve
- check valve
- valve rod
- pump
- submersible pump
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a immersible pump water conservancy direction type check valve, including the pump body, the pump body includes pump shaft, water inlet festival part and water conservancy diversion shell part, the water conservancy diversion shell part passes through the nozzle stub and connects the check valve body, be provided with the check valve in the check valve body, the check valve includes valve gap and valve rod, be provided with many water conservancy guide ways on the valve gap; the valve rod is coaxial with the pump shaft, the side wall of the valve rod is provided with a plurality of diversion trenches, and the direction of the diversion trenches is consistent with that of the valve rod; the device can reduce hydraulic resistance and increase water pump efficiency.
Description
Technical Field
The utility model relates to a immersible pump water conservancy direction type check valve belongs to immersible pump technical field.
Background
The submersible pump is widely applied to farmland irrigation, rural domestic water, factory water, urban resident domestic water, fountains and the like, and the structural design of the check valve of the prior submersible pump is that a pair of anti-rotation pins are additionally arranged on a valve cover. When the submersible pump stops running, pressure in the pump disappears suddenly, high-pressure water connected with a water outlet of the pump flows back to the pump reversely, so that a water hammer effect is caused, a water pump impeller rotates reversely under the impact of the high-pressure water, and looseness and damage are caused by bearing the impact load of the high-pressure water, so that efficiency loss and vibration of the pump are caused.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, and the technical problem that solve provides a immersible pump water conservancy direction type check valve, can reduce hydraulic resistance, increases water pump efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a submersible pump hydraulic guiding type check valve comprises a pump body, wherein the pump body comprises a pump shaft, a water inlet joint part and a flow guide shell part, the flow guide shell part is connected with a check valve body through a short pipe, a check valve is arranged in the check valve body, the check valve comprises a valve cover and a valve rod, and a plurality of hydraulic guiding grooves are formed in the valve cover; the valve rod is coaxial with the pump shaft, the side wall of the valve rod is provided with a plurality of guide grooves, and the direction of each guide groove is consistent with that of the valve rod.
Preferably, the valve cover is C-shaped, the outer side of the valve cover faces the flow guide shell part, and the concave inner side of the valve cover is fixedly connected with the valve rod.
Preferably, be provided with many strengthening ribs between valve gap and the valve rod, every strengthening rib is located between two guiding gutters, strengthening rib one side connect the valve gap spill inboard, one end connection valve rod.
Preferably, the included angle between the reinforcing rib and the valve rod is 50-70 degrees. The angle between the reinforcing rib and the valve rod is preferably 60 degrees.
Preferably, the number of the hydraulic guide grooves on the valve cover is two to four.
Preferably, the number of the guide grooves on the valve rod is five to seven.
Preferably, the check valve is internal including valve gap activity chamber, valve rod joint portion and valve body water inlet, and the valve body water inlet sets up in the valve rod end, and the valve rod activity joint is in valve rod joint portion, and along with the motion of valve rod, the valve gap is along the valve rod axial at the activity intracavity activity of valve gap.
Preferably, the front end of the valve cover movable cavity is provided with a limiting block, and an included angle between the front wall of the valve cover movable cavity and the axial direction of the valve rod is larger than an included angle between the reinforcing rib and the valve rod.
Compared with the prior art, the utility model following beneficial effect has:
the invention adds the structure design of the hydraulic guide groove in the check valve cover, the number of the reinforcing ribs is several, the structure design of the guide groove is added at the position of the check valve rod, when the check valve is applied to a water pump structure with large flow and high reverse lift, the invention can play the following roles:
1. prevent the rotation of the check valve caused by the water hammer effect and reduce the rotation of the hydraulic vortex caused by the water hammer
2. Reduce hydraulic resistance and increase water pump efficiency
3. The submersible pump has the advantages of increasing the structural strength of the submersible pump, reducing the weight, reducing the pressure of a water hammer and playing a role in flow discharge and pressure relief.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure diagram of the check valve of the present invention.
Fig. 3 is a schematic sectional view taken along line a-a of fig. 2.
Fig. 4 is the structure schematic diagram of the check valve body of the present invention.
In the figure: 1 pump shaft, 2 water inlet section parts, 3 guide shell parts, 4 short pipes, 5 non-return valve bodies, 6 check valves, 7 valve covers, 8 valve rods, 9 hydraulic guide grooves, 10 guide grooves, 11 reinforcing ribs, 12 valve cover movable cavities, 13 valve rod clamping parts, 14 valve body water inlets and 15 limiting blocks.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
A submersible pump hydraulic guiding type check valve comprises a pump body, wherein the pump body comprises a pump shaft 1, a water inlet joint part 2 and a guide shell part 3, the guide shell part 3 is connected with a check valve body 5 through a short pipe 4, a check valve 6 is arranged in the check valve body 5, the check valve comprises a valve cover 7 and a valve rod 8, and a plurality of hydraulic guiding grooves 9 are formed in the valve cover 7; the valve rod 8 is coaxial with the pump shaft 1, the side wall of the valve rod 8 is provided with a plurality of guide grooves 10, and the direction of each guide groove 10 is consistent with that of the valve rod 8.
The valve cover 7 is C-shaped, the outer side of the valve cover 7 faces the guide shell part 3, and the concave inner side of the valve cover 7 is fixedly connected with the valve rod 8.
The valve cap 7 and the valve rod 8 between be provided with many strengthening ribs 11, every strengthening rib 11 is located between two guiding gutters 10, 11 one side of strengthening rib connect the valve cap 7 spill inboardly, valve rod 8 is connected to one end.
The included angle between the reinforcing rib 11 and the valve rod 8 is 60 degrees.
The number of the hydraulic guide grooves 9 on the valve cover 7 is three.
The number of the guide grooves 10 on the valve rod 8 is six.
Including valve gap activity chamber 12, valve rod joint portion 13 and valve body water inlet 14 in the non return valve body 5, valve body water inlet 14 sets up in 8 ends of valve rod, and 8 activity joints of valve rod are in valve rod joint portion 13, and along with the motion of valve rod 8, valve gap 7 is along the valve rod axial at valve gap activity intracavity 12 internalizations.
The valve rod clamping part 13 comprises a plurality of rib plates which are distributed circumferentially.
The front end of the valve cover movable cavity 12 is provided with a limiting block 15, and an included angle a between the front wall of the valve cover movable cavity 12 and the axial direction of the valve rod is larger than an included angle b between the reinforcing rib and the valve rod.
In the in-service use, when the water pump stop operation, at this moment the check valve can perpendicular downstream, get back to the initial position, the water in the pipeline loses ascending power, from past backward flow, water at first contacts the valve rod, guiding gutter on the valve rod becomes the stationary flow with rivers from the wadding flow, form six orderly rivers, rivers follow the guiding gutter and flow into the valve gap, the three guiding gutter of valve gap flows out behind the leading-in below of rivers slowly, with reduction water hammer pressure, play the drainage pressure release effect.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The submersible pump hydraulic guiding type check valve is characterized by comprising a pump body, wherein the pump body comprises a pump shaft (1), a water inlet joint part (2) and a guide shell part (3), the guide shell part (3) is connected with a check valve body (5) through a short pipe (4), a check valve (6) is arranged in the check valve body (5), the check valve comprises a valve cover (7) and a valve rod (8), and a plurality of hydraulic guiding grooves (9) are formed in the valve cover (7); the pump is characterized in that the valve rod (8) is coaxial with the pump shaft (1), a plurality of guide grooves (10) are formed in the side wall of the valve rod (8), and the directions of the guide grooves (10) are consistent with those of the valve rod (8).
2. The submersible pump hydraulic guiding type check valve according to claim 1, wherein the valve cover (7) is C-shaped, the outer side of the valve cover (7) faces the guide shell part, and the concave inner side of the valve cover (7) is fixedly connected with the valve rod (8).
3. The submersible pump hydraulic guiding type check valve according to claim 1, wherein a plurality of reinforcing ribs (11) are arranged between the valve cover (7) and the valve rod (8), each reinforcing rib (11) is positioned between two guide grooves (10), and one side of each reinforcing rib (11) is connected with the concave inner side of the valve cover (7).
4. The submersible pump hydraulic pilot check valve according to claim 3, wherein the angle between the rib (11) and the valve stem (8) is 50-70 degrees.
5. The submersible pump hydraulic pilot check valve according to claim 1, characterized in that the number of the hydraulic pilot grooves (9) on the valve cover (7) is two to four.
6. The submersible pump hydraulic pilot check valve according to claim 1, wherein the number of the guide grooves (10) on the valve stem (8) is five to seven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438694.8U CN211423466U (en) | 2019-12-30 | 2019-12-30 | Submersible pump hydraulic guiding type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438694.8U CN211423466U (en) | 2019-12-30 | 2019-12-30 | Submersible pump hydraulic guiding type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423466U true CN211423466U (en) | 2020-09-04 |
Family
ID=72245027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438694.8U Active CN211423466U (en) | 2019-12-30 | 2019-12-30 | Submersible pump hydraulic guiding type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423466U (en) |
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2019
- 2019-12-30 CN CN201922438694.8U patent/CN211423466U/en active Active
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