CN216406774U - Pipeline anti-pollution valve for downhole operation - Google Patents
Pipeline anti-pollution valve for downhole operation Download PDFInfo
- Publication number
- CN216406774U CN216406774U CN202123413523.3U CN202123413523U CN216406774U CN 216406774 U CN216406774 U CN 216406774U CN 202123413523 U CN202123413523 U CN 202123413523U CN 216406774 U CN216406774 U CN 216406774U
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- shell
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- sliding
- pipeline
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000011109 contamination Methods 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model provides an anti-pollution valve for a pipeline for underground operation, which relates to the technical field of petroleum drilling and comprises a valve body, wherein a combined mechanism is arranged on one side of the valve body, and a sealing mechanism is arranged in the combined mechanism. When the pipeline is connected, the flange plate at one end of the pipeline is placed between the first shell and the second shell, the limiting plate is pressed to drive the sliding plate to move, when the limiting plate moves, the L-shaped plate can move to the top of the second shell, then the L-shaped plate is pressed upwards and rotates, restoring force generated by self-set deformation of the extension spring drives the sliding rod to reset, the limiting plate limits the second shell, the limiting plate is driven to reset by the restoring force generated by self-deformation of the first compression spring, limiting work of the L-shaped plate is realized, the two shells are limited in integral use, and accordingly installation work of the shells is greatly simplified, and further the complexity of combination of the combination mechanism is reduced.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to an anti-pollution valve for a pipeline for underground operation.
Background
Drilling is a process of forming a shaft by breaking a stratum by using drilling machine equipment and a rock breaking tool, and aims at geological evaluation, discovery of an oil and gas reservoir and development of the oil and gas reservoir.
Because the check valve is when borehole operation, current check valve uses the bolt to carry out fixed connection more to it is comparatively loaded down with trivial details to make the installation when the device uses, increased the activity duration, increased the risk of borehole operation and be not convenient for change, consequently provides an anti-pollution valve of pipeline for borehole operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the existing check valve is fixed and connected by bolts when in downhole operation, so that the installation is complicated, the operation time is prolonged, the risk of downhole operation is increased, and the check valve is inconvenient to replace.
In order to achieve the purpose, the utility model adopts the following technical scheme: an anti-pollution valve for a pipeline for underground operation comprises a valve body, wherein a combined mechanism is arranged on one side of the valve body, and a sealing mechanism is arranged in the combined mechanism;
the combined mechanism comprises a first shell, a second shell is arranged at the top of the first shell, two grooves are formed in the top of the first shell, a hollow tube and a sliding rod are fixed inside the two grooves, the sliding rod and the sliding rod slide inside the hollow tube, the stretching spring and the stretching spring are fixed at the bottom end of the sliding rod, the stretching spring and the stretching spring are fixed on the bottom surface of the first shell, the bottom end of the sliding rod is connected with an L-shaped plate in a rotating mode, a sliding groove is formed in the top of the second shell, a sliding plate slides inside the sliding groove, a limiting plate is fixed at the top of the sliding plate, two first compression springs are fixed on the outer surface of one side of the sliding plate, and one ends of the first compression springs are fixed on the inner surface wall of one side of the second shell.
Preferably, two L-shaped rods are fixed to the top of the second housing.
Preferably, sealing mechanism includes the U template, the spacing groove has been seted up to one side surface of valve body, the U template slides in the inside of spacing groove.
Preferably, six second compression springs are fixed on the inner surface wall of one side of the U-shaped plate.
Preferably, one end of each of the six second compression springs is fixed on the inner surface wall of one side of the valve body.
Preferably, a sealing gasket is adhered to the outer surface of one side of the U-shaped plate.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, when the pipeline is connected, the flange plate at one end of the pipeline is firstly placed in the first shell, then the second shell is placed at the top of the first shell, meanwhile, the pressure is applied to the limit plate, the limit plate drives the sliding plate to move, when the limiting plate moves, the L-shaped plate moves to the top of the second shell, then the L-shaped plate is pressed upwards, meanwhile, the L-shaped plate is rotated, the restoring force generated by the self-deformation of the extension spring drives the slide bar to reset, the limiting plate limits the position of the second shell, the restoring force generated by the self-deformation of the first compression spring drives the slide plate to move, the limiting plate is driven to reset simultaneously, the limiting work of the L-shaped plate is achieved, the two shells are limited through the L-shaped plate in the whole use process, and therefore the installation work of the shells is greatly simplified, and the combination complexity of the combination mechanism is further reduced.
2. According to the utility model, when the flange plate and the valve body are fixedly combined, the U-shaped plate is driven to move left and right by restoring force generated by the deformation of the second compression spring, so that the sealing gasket is driven to be in contact with the flange plate, and the sealing gasket is driven to always perform sealing work with the connection part of the pipeline by the second compression spring in the aspect of integral use, so that the sealing effect of the device is greatly improved, and backflow liquid is prevented from flowing back into the pipeline through a gap.
Drawings
FIG. 1 is a schematic view of an elevation perspective structure of an anti-contamination valve for a pipeline for downhole operation according to the present invention;
FIG. 2 is a schematic view of an elevation, cross-sectional and perspective structure of an anti-contamination valve for a pipeline for downhole operations according to the present invention;
FIG. 3 is a schematic diagram of a side view, a cross-sectional and a perspective view of an anti-contamination valve for a pipeline for downhole operations according to the present invention;
FIG. 4 is an enlarged view of the area A in FIG. 2 illustrating a contamination prevention valve for a pipeline for downhole operations according to the present invention.
Illustration of the drawings: 1. a valve body; 2. a combination mechanism; 201. a first housing; 202. a second housing; 203. a hollow tube; 204. a slide bar; 205. an L-shaped plate; 206. a slide plate; 207. a limiting plate; 208. a first compression spring; 209. an L-shaped rod; 210. an extension spring; 3. a sealing mechanism; 301. a U-shaped plate; 302. a second compression spring; 303. a limiting groove; 304. and a gasket.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The specific arrangement and function of the combination 2 and the sealing means 3 will be described in detail below.
As shown in fig. 1-3, the combined mechanism 2 includes a first housing 201, a second housing 202 disposed on the top of the first housing 201, two grooves formed on the top of the first housing 201, and the hollow pipes 203 are fixed inside the two grooves, the sliding rods 204 are respectively arranged inside the two hollow pipes 203 in a sliding manner, the extension springs 210 are respectively fixed at the bottom ends of the two sliding rods 204, the bottom ends of the two extension springs 210 are respectively fixed at the inner bottom surface of the first shell 201, the top ends of the two sliding rods 204 are respectively connected with an L-shaped plate 205 in a rotating manner, the top of the second shell 202 is provided with a sliding chute, and a sliding plate 206 slides in the sliding groove, a limiting plate 207 is fixed at the top of the sliding plate 206, two first compression springs 208 are fixed on the outer surface of one side of the sliding plate 206, one ends of the two first compression springs 208 are fixed on the inner surface wall of one side of the second shell 202, and two L-shaped rods 209 are fixed at the top of the second shell 202.
The whole combined mechanism 2 achieves the effect that when the pipeline is connected, firstly, a flange plate at one end of the pipeline is placed in the first shell 201, then the second shell 202 is placed at the top of the first shell 201, meanwhile, pressure is applied to the limiting plate 207, the limiting plate 207 drives the sliding plate 206 to move, when the limiting plate 207 moves, the L-shaped plate 205 moves to the top of the second shell 202, then, the L-shaped plate 205 is pressed upwards, meanwhile, the L-shaped plate 205 is rotated, restoring force generated by self-set deformation of the extension spring 210 drives the sliding rod 204 to reset, the limiting plate 207 limits the position of the second shell 202, restoring force generated by self-set deformation of the first compression spring 208 drives the sliding plate 206 to move, meanwhile, the limiting plate 207 resets, the limiting work of the L-shaped plate 205 is realized, the whole use is realized, the two shells are limited by the L-shaped plate 205, and the installation work of the shells is greatly simplified, and then reduce the complex degree of combination of the combined mechanism 2, greatly improve the result of use of the device.
As shown in fig. 2 and 4, the sealing mechanism 3 includes a U-shaped plate 301, a limiting groove 303 is provided on an outer surface of one side of the valve body 1, the U-shaped plate 301 slides inside the limiting groove 303, six second compression springs 302 are fixed on an inner surface wall of one side of the U-shaped plate 301, one ends of the six second compression springs 302 are fixed on the inner surface wall of one side of the valve body 1, and a sealing gasket 304 is adhered to an outer surface of one side of the U-shaped plate 301.
The effect that its whole sealing mechanism 3 reaches does, when ring flange and valve body 1 fixed combination, the restoring force that produces through second compression spring 302 self deformation drives U template 301 and removes about, and then drives sealed pad 304 and ring flange contact, and in the whole use, drive sealed pad 304 through second compression spring 302 and carry out sealing work with the pipeline junction all the time to improve the sealed effect of device greatly, avoid the backward flow liquid to flow back to the pipeline through the gap in.
The working principle is as follows: when a pipeline is connected, firstly, a flange plate at one end of the pipeline is placed inside a first shell 201, then a second shell 202 is placed at the top of the first shell 201, meanwhile, pressure is applied to a limiting plate 207, the limiting plate 207 drives a sliding plate 206 to move, when the limiting plate 207 moves, an L-shaped plate 205 moves to the top of the second shell 202, then, the L-shaped plate 205 is upwards applied, meanwhile, the L-shaped plate 205 is rotated, restoring force generated by self-deformation of an extension spring 210 drives the sliding rod 204 to reset, the limiting plate 207 limits the position of the second shell 202, restoring force generated by self-deformation of a first compression spring 208 drives the sliding plate 206 to move, meanwhile, the limiting plate 207 resets, limiting work on the L-shaped plate 205 is realized, when the flange plate is fixedly combined with a valve body 1, restoring force generated by self-deformation of a second compression spring 302 drives the U-shaped plate 301 to move left and right, and then the sealing gasket 304 is driven to contact with the flange plate, so that the sealing gasket 304 is always sealed with the pipeline connection.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. The utility model provides an anti-pollution valve of pipeline for borehole operation, includes valve body (1), its characterized in that: a combined mechanism (2) is arranged on one side of the valve body (1), and a sealing mechanism (3) is arranged in the combined mechanism (2);
the combined mechanism (2) comprises a first shell (201), a second shell (202) is arranged at the top of the first shell (201), two grooves are formed in the top of the first shell (201), hollow pipes (203) are fixed inside the two grooves, sliding rods (204) slide inside the two hollow pipes (203), extension springs (210) are fixed at the bottom ends of the two sliding rods (204), the bottom ends of the two extension springs (210) are fixed on the bottom surface of the first shell (201), L-shaped plates (205) are rotatably connected at the top ends of the two sliding rods (204), sliding grooves are formed in the top of the second shell (202), sliding plates (206) slide inside the sliding grooves, limiting plates (207) are fixed at the top of the sliding plates (206), and two first compression springs (208) are fixed on the outer surface of one side of the sliding plates (206), one ends of the two first compression springs (208) are fixed on one side of the inner surface wall of the second shell (202).
2. The inline contamination prevention valve for downhole operations according to claim 1, wherein: two L-shaped rods (209) are fixed on the top of the second shell (202).
3. The inline contamination prevention valve for downhole operations according to claim 1, wherein: sealing mechanism (3) include U template (301), spacing groove (303) have been seted up to one side surface of valve body (1), U template (301) slide in the inside of spacing groove (303).
4. The inline contamination prevention valve for downhole operations according to claim 3, wherein: six second compression springs (302) are fixed on the inner surface wall of one side of the U-shaped plate (301).
5. The inline contamination prevention valve for downhole operations according to claim 4, wherein: one ends of the six second compression springs (302) are fixed on the inner surface wall of one side of the valve body (1).
6. The inline contamination prevention valve for downhole operations according to claim 3, wherein: and a sealing gasket (304) is adhered to the outer surface of one side of the U-shaped plate (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413523.3U CN216406774U (en) | 2021-12-31 | 2021-12-31 | Pipeline anti-pollution valve for downhole operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123413523.3U CN216406774U (en) | 2021-12-31 | 2021-12-31 | Pipeline anti-pollution valve for downhole operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216406774U true CN216406774U (en) | 2022-04-29 |
Family
ID=81286921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123413523.3U Expired - Fee Related CN216406774U (en) | 2021-12-31 | 2021-12-31 | Pipeline anti-pollution valve for downhole operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216406774U (en) |
-
2021
- 2021-12-31 CN CN202123413523.3U patent/CN216406774U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |