CN220816659U - Uniflow valve and sand inhibitor thereof - Google Patents
Uniflow valve and sand inhibitor thereof Download PDFInfo
- Publication number
- CN220816659U CN220816659U CN202322679744.8U CN202322679744U CN220816659U CN 220816659 U CN220816659 U CN 220816659U CN 202322679744 U CN202322679744 U CN 202322679744U CN 220816659 U CN220816659 U CN 220816659U
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- valve seat
- sand
- single flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 title claims abstract description 30
- 239000004576 sand Substances 0.000 title claims abstract description 30
- 239000003112 inhibitor Substances 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to a one-way valve and a sand blocker thereof, the one-way valve realizes one-way fluid discharge from a valve body, and the device comprises: the valve seat, the valve seat connecting joint, the valve head, the spring, the valve ball and at least one discharge hole; the sand inhibitor is applied to an electric submersible pump system and used for preventing sand from falling from an oil pipe, and comprises the single-flow valve, wherein the single-flow valve is positioned at the lower end of the sand inhibitor; when the fluid pressure is smaller than the elastic performance of the spring, the valve ball compresses the slope surface of the inner surface of the valve seat connecting joint through the elastic performance of the spring to form a closed cavity; when the fluid pressure is greater than the elasticity performance of the spring, the spring moves the valve ball to move, the valve ball is far away from the slope surface of the inner surface of the valve seat connecting joint, and the fluid is discharged out of the sand inhibitor, so that the sand reduction of the oil pipe can be effectively prevented, and the sand reduction is prevented from sinking into the centrifugal pump, so that the pump clamping condition is caused.
Description
Technical Field
The utility model relates to the technical field of petroleum exploitation treatment, in particular to a check valve and a sand inhibitor thereof.
Background
Submersible electric pump systems are mechanical exploitation equipment for land, marine oil in a variety of complex geological environments. Generally, the submersible electric pump system mainly comprises a ground transformer, a variable-frequency intelligent control cabinet, a power cable, a submersible pump, a separator, a protector, a submersible motor and underground working condition collection (pressure sensor).
Wherein, be provided with the sand inhibitor assembly in the electric submersible pump equipment. The sand damper assembly directly affects the reliability of the operation of the equipment. In the prior art, the sand inhibitor is perforated and is large in size and is combined with the submersible electric pump equipment, however, due to the design, once sand is stored in the sand inhibitor and sand is reversely blown out through the perforation, the electric pump is easy to break down, and maintenance and replacement are very inconvenient.
Disclosure of utility model
In view of the above, the present utility model is directed to a check valve and a sand trap system thereof, thereby solving the shortcomings of the prior art and solving the above-mentioned problems.
In order to achieve the above purpose, one of the technical solutions proposed by the present utility model is: a single flow valve that effects one-way fluid discharge from a valve body, the single flow valve comprising:
a valve seat 1 for providing a mounting carrier for the uniflow valve;
a valve seat connection joint 2 for mounting the check valve on a fluid generating device;
a valve head 3, wherein the valve head 3 is positioned at the front end of the valve seat 1;
A spring 4, said spring 4 being mounted in the valve seat 1;
the valve ball 5 is connected with one end of the spring 4 and props against the port of the valve seat connecting joint 2, so that unidirectional movement of the valve ball 5 is realized;
At least one discharge orifice 6 for discharging fluid out of the valve body; the discharge hole 6 is opened on the surface of one end of the valve seat 1.
Furthermore, one end of the valve seat connecting joint 2, which is close to the valve seat 1, is a connecting port with a sloping surface on the inner surface.
Further, the surface of the valve ball 5 is contacted with the slope of the valve seat connecting joint 2, so that the valve ball 5 is propped against the port of the valve seat connecting joint 2 under the drive of the spring 4.
Further, one end of the valve head 3 is a triangle body, and the other end of the valve head is provided with an installation cavity.
Further, the spring 4 is mounted in the mounting cavity.
Further, the valve seat 1 is connected with the valve seat connecting joint 2 through screw threads.
The other technical proposal provided by the utility model is as follows: the sand inhibitor is applied to the submersible electric pump system and used for preventing sand from falling off an oil pipe, and comprises the single-flow valve, and the single-flow valve is positioned at the lower end of the sand inhibitor;
When the fluid pressure is smaller than the elastic performance of the spring 4, the valve ball 5 compresses the slope surface of the inner surface of the valve seat connecting joint 2 through the elastic performance of the spring 4 to form a closed cavity; when the fluid pressure is greater than the elastic property of the spring 4, the spring 4 drives the valve ball 5 to move, the valve ball 5 is far away from the slope surface of the inner surface of the valve seat connecting joint 2, and the fluid is discharged out of the sand inhibitor.
The beneficial effects of the utility model are as follows:
When the fluid pressure is smaller than the elastic performance of the spring 4, the valve ball 5 compresses the slope surface of the inner surface of the valve seat connecting joint 2 through the elastic performance of the spring 4 to form a closed cavity; when the fluid pressure is greater than the elasticity of the spring 4, the spring 4 drives the valve ball 5 to move, the valve ball 5 is far away from the slope surface of the inner surface of the valve seat connecting joint 2, and the fluid is discharged out of the sand inhibitor, so that sand falling of an oil pipe can be effectively prevented, the sand falling is prevented from sinking into the centrifugal pump, and the pump clamping condition is caused.
Drawings
Fig. 1 is a schematic structural view of a check valve in embodiment 1 of the present utility model;
In fig. 1, reference numerals include:
1. A valve seat; 2. the valve seat is connected with the joint; 3. a valve head; 4. a spring; 5. a valve ball; 6. and a discharge hole.
Detailed Description
The following will describe the technical solution in the embodiments of the in-gasket mouth aligning mechanism, the mouth aligning device system and the pipe welding method according to the present utility model clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
As shown in fig. 1, a single flow valve for effecting one-way fluid discharge from a valve body, the single flow valve comprising:
a valve seat 1 for providing a mounting carrier for the uniflow valve;
a valve seat connection joint 2 for mounting the check valve on a fluid generating device;
Specifically, one end of the valve seat connecting joint 2, which is close to the valve seat 1, is a connecting port with a sloping surface on the inner surface.
Further, the surface of the valve ball 5 is contacted with the slope of the valve seat connecting joint 2, so that the valve ball 5 is propped against the port of the valve seat connecting joint 2 under the drive of the spring 4.
A valve head 3, wherein the valve head 3 is positioned at the front end of the valve seat 1;
Specifically, one end of the valve head 3 is a triangle body, and the other end of the valve head is provided with an installation cavity.
A spring 4, said spring 4 being mounted in the valve seat 1;
Specifically, further, the spring 4 is mounted in the mounting cavity.
The valve ball 5 is connected with one end of the spring 4 and props against the port of the valve seat connecting joint 2, so that unidirectional movement of the valve ball 5 is realized;
At least one discharge orifice 6 for discharging fluid out of the valve body; the discharge hole 6 is opened on the surface of one end of the valve seat 1.
Further, the valve seat 1 is connected with the valve seat connecting joint 2 through screw threads.
The working process comprises the following steps:
when the weight of the fluid is smaller than the elastic performance of the spring 4, the valve ball 5 presses the slope surface of the inner surface of the valve seat connecting joint 2 through the elastic performance of the spring 4 to form a closed cavity; when the weight of the fluid is greater than the elastic property of the spring 4, the spring 4 drives the valve ball 5 to move, the valve ball 5 is far away from the slope surface of the inner surface of the valve seat connecting joint 2, and the fluid is discharged out of the check valve.
Example 2
The sand-blocking device is applied to the submersible electric pump system and used for preventing sand from falling off an oil pipe, and comprises the single-flow valve in the embodiment 1, and the single-flow valve is positioned at the lower end of the sand-blocking device;
When the fluid pressure is smaller than the elastic performance of the spring 4, the valve ball 5 compresses the slope surface of the inner surface of the valve seat connecting joint 2 through the elastic performance of the spring 4 to form a closed cavity; when the fluid pressure is greater than the elastic property of the spring 4, the spring 4 drives the valve ball 5 to move, the valve ball 5 is far away from the slope surface of the inner surface of the valve seat connecting joint 2, and the fluid is discharged out of the sand inhibitor.
The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. A single flow valve, wherein the single flow valve effects one-way fluid displacement out of a valve body, the single flow valve comprising:
a valve seat (1) for providing a mounting carrier for the uniflow valve;
A valve seat connection fitting (2) for mounting the single flow valve on a fluid generating device;
the valve head (3) is positioned at the front end of the valve seat (1);
A spring (4), the spring (4) being mounted in the valve seat (1);
The valve ball (5) is connected with one end of the spring (4) and props against the port of the valve seat connecting joint (2) to realize unidirectional movement of the valve ball (5);
At least one discharge orifice (6) for discharging fluid out of the valve body; the discharge hole (6) is formed on the surface of one end of the valve seat (1).
2. A single flow valve according to claim 1, characterized in that the end of the valve seat connection joint (2) close to the valve seat (1) is a connection port with a sloping surface on the inner surface.
3. The single flow valve according to claim 2, characterized in that the surface of the valve ball (5) is in contact with the sloping surface of the valve seat connection joint (2) so as to realize that the valve ball (5) is driven by the spring (4) to prop against the port of the valve seat connection joint (2).
4. A single flow valve according to claim 1, characterised in that one end of the valve head (3) is triangular and the other end has a mounting cavity.
5. A single flow valve according to claim 4, characterised in that the spring (4) is mounted in a mounting cavity.
6. A single flow valve according to claim 1, characterised in that the valve seat (1) is connected to the valve seat connection joint (2) by means of a screw thread.
7. The sand inhibitor is applied to an electric submersible pump system and used for preventing sand reduction of an oil pipe, and is characterized by comprising the single flow valve according to any one of claims 1-6, wherein the single flow valve is positioned at the lower end of the sand inhibitor;
When the fluid pressure is smaller than the elastic performance of the spring (4), the valve ball (5) compresses the slope surface of the inner surface of the valve seat connecting joint (2) through the elastic performance of the spring (4) to form a closed cavity; when the fluid pressure is greater than the elastic property of the spring (4), the spring (4) drives the valve ball (5) to move, the valve ball (5) is far away from the slope surface of the inner surface of the valve seat connecting joint (2), and the fluid is discharged out of the sand inhibitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679744.8U CN220816659U (en) | 2023-10-07 | 2023-10-07 | Uniflow valve and sand inhibitor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679744.8U CN220816659U (en) | 2023-10-07 | 2023-10-07 | Uniflow valve and sand inhibitor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816659U true CN220816659U (en) | 2024-04-19 |
Family
ID=90672208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679744.8U Active CN220816659U (en) | 2023-10-07 | 2023-10-07 | Uniflow valve and sand inhibitor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816659U (en) |
-
2023
- 2023-10-07 CN CN202322679744.8U patent/CN220816659U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |