CN212479168U - Double-valve check valve for petroleum well completion - Google Patents
Double-valve check valve for petroleum well completion Download PDFInfo
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- CN212479168U CN212479168U CN202021135397.2U CN202021135397U CN212479168U CN 212479168 U CN212479168 U CN 212479168U CN 202021135397 U CN202021135397 U CN 202021135397U CN 212479168 U CN212479168 U CN 212479168U
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Abstract
The utility model belongs to the technical field of oil well completion work piece technique and specifically relates to a double-valve check valve for oil well completion, including the valve body, the valve body is three-way tubular structure, and the valve body is provided with one-way feeding mouth of pipe, feeding mouth of pipe and one-way discharging pipe mouth respectively on left and right and upper portion, all fixes being provided with the screens ring on the inner wall of one-way feeding mouth of pipe and feeding mouth of pipe mouth position. The utility model discloses in, through set up one-way feeding mouth of pipe on the valve body, feeding mouth of pipe and one-way discharging pipe mouth, wherein, all be provided with one-way current limiting mechanism in one-way feeding mouth of pipe and the feeding mouth, from one-way feeding mouth of pipe, the liquid that the feeding mouth of pipe got into flows into one-way discharging pipe mouth, under hydraulic effect, flow out one-way discharging pipe mouth after the one-way match jack-up of pull-back on the screens pipe, be provided with a set of one-way current limiting mechanism in the one-way discharging pipe mouth equally, can prevent that liquid from flowing into the valve body from one-way discharging pipe mouth, the equipment, high durability and convenient operation, realize the bivalve.
Description
Technical Field
The utility model relates to an oil well completion work piece technical field specifically is an oil well completion bivalve single current valve.
Background
Most of the check valves on the market currently only can be connected with a single pipeline, so that a double-valve check valve for petroleum completion is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil well completion bivalve check valve, through set up one-way feedstock pipe orifice on the valve body, feedstock pipe orifice and one-way discharging pipe orifice, wherein, all be provided with one-way current limiting mechanism in one-way feedstock pipe orifice and the feedstock orifice, from one-way feedstock pipe orifice, the liquid that the feedstock pipe orifice got into flows into one-way discharging pipe orifice, under hydraulic effect, flow out one-way discharging pipe orifice after the one-way match jack-up of pull-back on the screens pipe, be provided with a set of one-way current limiting mechanism in the one-way discharging pipe orifice equally, can prevent liquid from flowing into the valve body from one-way discharging pipe orifice, the equipment, and convenient for operation, realize bivalve single current, in order to solve the problem of proposing in the.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-valve check valve for petroleum well completion comprises a valve body, wherein the valve body is of a three-way tubular structure, the left part, the right part and the upper part of the valve body are respectively provided with a one-way feeding pipe orifice, a feeding pipe orifice and a one-way discharging pipe orifice, the inner walls of the one-way feeding pipe orifice and the feeding pipe orifice are both fixedly provided with a clamping ring, the right end of the clamping ring is provided with a one-way plug, the valve body is fixedly provided with a shutoff plate at the middle part of the one-way feeding pipe orifice and at the bottom of the one-way discharging pipe orifice, a composite spring fixedly connected with the one-way plug is arranged on the left side panel of the intercepting plate, a mounting plate is fixedly arranged at the top of the intercepting plate, the fixed screens pipe that is provided with on the orificial inner wall of one-way ejection of compact, screens pipe top is provided with the one-way match of pullback, the one-way match bottom of pullback is provided with the compound spring that runs through screens union coupling mounting panel.
Preferably, the pipe orifices of the unidirectional feeding pipe orifice, the feeding pipe orifice and the unidirectional discharging pipe orifice are all provided with connecting flanges.
Preferably, the composite spring is composed of a spring and a rubber sleeve wrapped outside the spring, and the diameter of the inner wall of the clamping pipe is smaller between the composite springs in the one-way discharge pipe opening.
Preferably, the bottom of the clamping pipe is provided with an inclined plane which gradually inclines outwards.
Compared with the prior art, the beneficial effects of the utility model are that: through set up one-way feeding mouth of pipe on the valve body, feeding mouth of pipe and one-way discharging pipe mouth, wherein, all be provided with one-way current limiting mechanism in one-way feeding mouth of pipe and the feeding mouth, from one-way feeding mouth of pipe, the liquid that the feeding mouth of pipe got into flows into one-way discharging pipe mouth equally, under hydraulic effect, with in the one-way discharging pipe mouth of pipe of flowing out after the one-way match jack-up of back-pull on the screens pipe, be provided with a set of one-way current limiting mechanism in the one-way discharging pipe mouth of pipe equally, can prevent that liquid from flowing into the valve body from one-way discharging pipe mouth of pipe, the equipment.
Drawings
Fig. 1 is the utility model discloses an oil well completion bivalve single current valve overall structure sketch map.
In the figure: 1. a one-way feed pipe orifice; 2. a feed tube orifice; 3. a one-way discharge pipe orifice; 4. a shutoff plate; 5. a position clamping ring; 6. a one-way plug; 7. a compound spring; 8. mounting a plate; 9. a clamping pipe; 10. and pulling back the one-way game.
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, the present invention provides a technical solution:
a double-valve check valve for petroleum well completion comprises a valve body, the valve body is of a three-way tubular structure, the left part, the right part and the upper part of the valve body are respectively provided with a one-way feeding pipe orifice 1, feeding mouth of pipe 2 and one-way discharging pipe mouth 3, all fixed the screens ring 5 that is provided with on the inner wall of one-way feeding mouth of pipe 1 and 2 mouth of pipe positions of feeding mouth of pipe, the 5 right-hand members of screens ring are provided with one-way stopper 6, the valve body is inside in one-way feeding mouth of pipe 1 in feeding mouth of pipe 2 middle part and lie in 3 fixed bottom positions of one-way discharging pipe mouth of pipe and be provided with closure plate 4, be provided with the compound spring 7 of the one-way stopper 6 of fixed connection on the left side panel of closure plate 4, closure plate 4 top is fixed and is provided with mounting panel 8, the fixed screens pipe 9 that is provided with on the inner wall of one-way discharging pipe mouth of pipe 3, screens pipe 9 top is provided with the one-way race.
Wherein, the pipe orifices of the unidirectional feeding pipe orifice 1, the feeding pipe orifice 2 and the unidirectional discharging pipe orifice 3 are all provided with connecting flanges.
Wherein, compound spring 7 comprises spring and the rubber sleeve of parcel outside the spring, is less than the inner wall diameter of screens pipe 9 between the compound spring 7 in the one-way discharge pipe mouth 3.
Wherein, screens pipe 9 bottom is provided with the inclined plane that leans out gradually.
The working principle is as follows: through set up one-way feeding mouth of pipe on the valve body, feeding mouth of pipe and one-way discharging pipe mouth, wherein, all be provided with one-way current limiting mechanism in one-way feeding mouth of pipe and the feeding mouth, from one-way feeding mouth of pipe, the liquid that the feeding mouth of pipe got into flows into one-way discharging pipe mouth equally, under hydraulic effect, with in the one-way discharging pipe mouth of pipe of flowing out after the one-way match jack-up of back-pull on the screens pipe, be provided with a set of one-way current limiting mechanism in the one-way discharging pipe mouth of pipe equally, can prevent that liquid from flowing into the valve body from one-way discharging pipe mouth of pipe, the equipment.
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 (4)
1. A kind of petroleum well completion bivalve check valve, including the valve block, characterized by that: the valve body is of a three-way tubular structure, the left portion, the right portion and the upper portion of the valve body are respectively provided with a one-way feeding pipe orifice (1), a feeding pipe orifice (2) and a one-way discharging pipe orifice (3), clamping rings (5) are fixedly arranged on the inner walls of the pipe orifice positions of the one-way feeding pipe orifice (1) and the feeding pipe orifice (2), a one-way plug (6) is arranged at the right end of each clamping ring (5), a shutoff plate (4) is fixedly arranged at the middle of the feeding pipe orifice (2) and at the bottom of the one-way discharging pipe orifice (3) inside the valve body, a composite spring (7) fixedly connected with the one-way plug (6) is arranged on a left side panel of the shutoff plate (4), a mounting plate (8) is fixedly arranged at the top of the shutoff plate (4), a clamping pipe (9) is fixedly arranged on the inner wall of the one-way discharging pipe orifice (3), and a, the bottom of the pull-back one-way match (10) is provided with a composite spring (7) which penetrates through a clamping pipe (9) and is connected with a mounting plate (8).
2. The double-valve check valve for oil completion according to claim 1, wherein: and the pipe orifices of the unidirectional feeding pipe orifice (1), the feeding pipe orifice (2) and the unidirectional discharging pipe orifice (3) are all provided with connecting flanges.
3. The double-valve check valve for oil completion according to claim 1, wherein: the composite springs (7) are composed of springs and rubber sleeves wrapped outside the springs, and the diameter of the inner wall of each clamping pipe (9) between the composite springs (7) in the one-way discharging pipe opening (3) is smaller than that of the inner wall of each clamping pipe.
4. The double-valve check valve for oil completion according to claim 1, wherein: the bottom of the clamping pipe (9) is provided with an inclined plane which gradually inclines outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021135397.2U CN212479168U (en) | 2020-06-18 | 2020-06-18 | Double-valve check valve for petroleum well completion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021135397.2U CN212479168U (en) | 2020-06-18 | 2020-06-18 | Double-valve check valve for petroleum well completion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479168U true CN212479168U (en) | 2021-02-05 |
Family
ID=74412900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021135397.2U Active CN212479168U (en) | 2020-06-18 | 2020-06-18 | Double-valve check valve for petroleum well completion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479168U (en) |
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2020
- 2020-06-18 CN CN202021135397.2U patent/CN212479168U/en active Active
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