CN220248335U - Plunger pump valve assembly for petroleum exploitation - Google Patents
Plunger pump valve assembly for petroleum exploitation Download PDFInfo
- Publication number
- CN220248335U CN220248335U CN202321642708.8U CN202321642708U CN220248335U CN 220248335 U CN220248335 U CN 220248335U CN 202321642708 U CN202321642708 U CN 202321642708U CN 220248335 U CN220248335 U CN 220248335U
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- valve body
- inner cylinder
- sleeve
- wall
- valve
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- 239000003208 petroleum Substances 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a plunger pump valve assembly for petroleum exploitation, which belongs to the field of petroleum, and comprises the following components: a valve body; an inner cylinder; the mounting mechanism is used for detachably mounting the inner cylinder in the valve body; the installation mechanism comprises a sleeve fixed on the outer wall of the inner cylinder, an inner thread is arranged on the inner wall of the sleeve, an outer thread is arranged on the outer wall of the valve body, the sleeve is sleeved outside the valve body and is in meshed connection with the outer thread, an obstruction mechanism for preventing the sleeve from loosening is arranged on the outer wall of the valve body, and the obstruction mechanism comprises a positioning block fixed on the outer wall of the valve body. The sleeve is in threaded engagement with the valve body, so that the sleeve moves upwards to enable the inner cylinder to have uniform acting force, and further the sealing ring can be subjected to uniform acting force, so that the sealing ring can be used for stably sealing the inner cylinder and the valve body, and meanwhile, the connection stability of the inner cylinder and the valve body can be ensured.
Description
Technical Field
The utility model relates to the technical field of petroleum, in particular to a plunger pump valve assembly for petroleum exploitation.
Background
The plunger pump is needed in the petroleum exploitation process, and the valve seat is fixed in the valve body in a welding mode in the plunger pump valve assembly for petroleum exploitation pipelines at present, so that the valve seat is easy to damage due to long-term collision between the ball and the valve seat, sealing and blocking are difficult to realize by being matched with the ball better, the whole valve body needs to be replaced during replacement, and the cost is increased.
The prior art discloses the plunger pump valve assembly for oil development that the application number is CN202022551726.8, realizes the connection of inner tube and valve body through the form of buckle among the above-mentioned prior art, but its pressure to the sealing ring is very little, leads to the sealing effect of sealing ring not good.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a plunger pump valve assembly for petroleum exploitation, which solves the problem of poor sealing effect caused by poor connection stability in the prior art.
The embodiment of the utility model provides a plunger pump valve assembly for petroleum exploitation, which comprises the following components:
a valve body;
an inner cylinder;
the mounting mechanism is used for detachably mounting the inner cylinder in the valve body;
the installation mechanism comprises a sleeve fixed on the outer wall of the inner cylinder, an inner thread is arranged on the inner wall of the sleeve, an outer thread is arranged on the outer wall of the valve body, the sleeve is sleeved outside the valve body and is in meshed connection with the outer thread, a blocking mechanism for preventing the sleeve from loosening is arranged on the outer wall of the valve body, the blocking mechanism comprises a positioning block fixed on the outer wall of the valve body, a plug rod penetrates through the positioning block up and down, a plurality of slots are formed in the upper end of the sleeve, the plug rod is inserted into the slots, a pull block is fixedly connected to the upper end of the plug rod, and a spring is installed between the pull block and the positioning block.
Further, the valve further comprises a sealing mechanism, the sealing mechanism comprises a lantern ring fixed on the outer wall of the inner cylinder, the upper end of the lantern ring is provided with a matched sealing ring, and the sealing ring abuts against the bottom of the valve body.
Further, the inner wall of the valve body is provided with a mounting groove, and the inner cylinder is mounted in the mounting groove.
Further, the slots are distributed in a ring array at the upper end of the inner cylinder.
Further, a valve cover is fixedly connected in the valve body, and a valve ball positioned below the valve cover is arranged in the valve body.
Further, the inner cavity of the inner cylinder is fixedly provided with a valve seat body, and the valve ball is movably connected to the top of the valve seat body.
Compared with the prior art, the utility model has the following beneficial effects:
the sleeve is in threaded engagement with the valve body, so that the sleeve moves upwards to enable the inner cylinder to have uniform acting force, and further the sealing ring can be subjected to uniform acting force, so that the sealing ring can be used for stably sealing the inner cylinder and the valve body, and meanwhile, the connection stability of the inner cylinder and the valve body can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a plunger pump valve assembly for oil exploitation according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a portion a of a plunger pump valve assembly for oil exploitation according to an embodiment of the present utility model.
In the above figures: 1. a valve body; 2. an inner cylinder; 3. a collar; 4. a seal ring; 5. a sleeve; 6. a positioning block; 7. a slot; 8. a rod; 9. pulling blocks; 10. a spring; 11. a mounting groove; 12. a valve ball; 13. a valve cover.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, an embodiment of the present utility model provides a plunger pump valve assembly for oil exploitation, including:
a valve body 1; the valve body 1 is internally and fixedly connected with a valve cover 13, the valve body 1 is internally provided with a valve ball 12 positioned below the valve cover 13, the inner cavity of the inner cylinder 2 is fixedly provided with a valve seat body, and the valve ball 12 is movably connected to the top of the valve seat body;
an inner cylinder 2;
the installation mechanism is used for detachably installing the inner cylinder 2 in the valve body 1, an installation groove 11 is formed in the inner wall of the valve body 1, the inner cylinder 2 is installed in the installation groove 11, and the inner cylinder 2 is movably connected in the installation groove 11;
the mounting mechanism comprises a sleeve 5 fixed on the outer wall of the inner cylinder 2, an inner thread is arranged on the inner wall of the sleeve 5, an outer thread is arranged on the outer wall of the valve body 1, the sleeve 5 is sleeved outside the valve body 1, the inner thread is meshed with the outer thread, a blocking mechanism for preventing the sleeve 5 from loosening is arranged on the outer wall of the valve body 1, the blocking mechanism comprises a positioning block 6 fixed on the outer wall of the valve body 1, a plug rod 8 penetrates through the positioning block 6 from top to bottom, a plurality of slots 7 are arranged at the upper end of the sleeve 5, and the slots 7 are distributed in an annular array at the upper end of the inner cylinder 2; the inserted link 8 is inserted into the slot 7, the upper end of the inserted link 8 is fixedly connected with a pull block 9, and a spring 10 is arranged between the pull block 9 and the positioning block 6.
Still include sealing mechanism, sealing mechanism is including fixing the lantern ring 3 at inner tube 2 outer wall, and assorted sealing ring 4 is installed to the upper end of lantern ring 3, and sealing ring 4 offsets with the bottom of valve body 1, sets up lantern ring 3 and can support sealing ring 4, so sealing ring 4 can be supported by lantern ring 3 when offset with valve body 1, can guarantee the leakproofness of valve body 1 and inner tube 2.
The detailed working process of the utility model is as follows:
1. during installation, the inner cylinder 2 is installed in the installation groove 11 in the valve body 1, then the sleeve 5 is rotated to enable the internal thread to be in meshed connection with the external thread, and finally the sealing ring 4 is propped against the bottom of the valve body 1 along with the meshed connection of the sleeve 5 and the valve body 1 and moves upwards, and as the sleeve 5 is in meshed connection with the valve body 1, the sleeve 5 moves upwards to enable the inner cylinder 2 to have a uniform acting force, so that the sealing ring 4 can be used for stably sealing the inner cylinder 2 and the valve body 1, and meanwhile, the connection stability of the inner cylinder 2 and the valve body 1 can be ensured;
2. meanwhile, when the sleeve 5 moves upwards, when the sleeve 5 is close to the inserted link 8, a worker can pull the pull block 9 by hand so that the inserted link 8 cannot interfere with the rotation of the sleeve 5, after the sleeve 5 rotates in place, the pull block 9 is loosened, under the action of the spring 10, the inserted link 8 is inserted into the slot 7, the sleeve 5 can be positioned, the sleeve 5 cannot rotate, and therefore vibration generated by long-term collision of a ball and a valve seat cannot lead to looseness of the sleeve 5, and accordingly the stability of connection of the inner cylinder 2 and the valve body 1 can be guaranteed.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. A plunger pump valve assembly for oil exploitation, comprising:
a valve body (1);
an inner cylinder (2);
the mounting mechanism is used for detachably mounting the inner cylinder (2) in the valve body (1);
the installation mechanism comprises a sleeve (5) fixed on the outer wall of an inner cylinder (2), an inner thread is arranged on the inner wall of the sleeve (5), an outer thread is arranged on the outer wall of a valve body (1), the sleeve (5) is sleeved outside the valve body (1) and is in meshed connection with the outer thread, a blocking mechanism for preventing the sleeve (5) from loosening is arranged on the outer wall of the valve body (1), the blocking mechanism comprises a positioning block (6) fixed on the outer wall of the valve body (1), a plug rod (8) penetrates through the positioning block (6) up and down, a plurality of slots (7) are arranged at the upper end of the sleeve (5), the plug rod (8) is inserted into the slots (7), a pull block (9) is fixedly connected to the upper end of the plug rod (8), and a spring (10) is installed between the pull block (9) and the positioning block (6).
2. The plunger pump valve assembly for oil exploitation according to claim 1, wherein: the sealing mechanism comprises a lantern ring (3) fixed on the outer wall of the inner cylinder (2), a matched sealing ring (4) is installed at the upper end of the lantern ring (3), and the sealing ring (4) abuts against the bottom of the valve body (1).
3. The plunger pump valve assembly for oil exploitation according to claim 1, wherein:
the inner wall of the valve body (1) is provided with an installation groove (11), and the inner cylinder (2) is installed in the installation groove (11).
4. The plunger pump valve assembly for oil exploitation according to claim 1, wherein:
the slots (7) are distributed in an annular array at the upper end of the inner cylinder (2).
5. The plunger pump valve assembly for oil exploitation according to claim 1, wherein:
the valve body (1) is internally and fixedly connected with a valve cover (13), and a valve ball (12) positioned below the valve cover (13) is arranged in the valve body (1).
6. The plunger pump valve assembly for oil extraction of claim 5, wherein:
the inner cavity of the inner cylinder (2) is fixedly provided with a valve seat body, and the valve ball (12) is movably connected to the top of the valve seat body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642708.8U CN220248335U (en) | 2023-06-26 | 2023-06-26 | Plunger pump valve assembly for petroleum exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642708.8U CN220248335U (en) | 2023-06-26 | 2023-06-26 | Plunger pump valve assembly for petroleum exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248335U true CN220248335U (en) | 2023-12-26 |
Family
ID=89231172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321642708.8U Active CN220248335U (en) | 2023-06-26 | 2023-06-26 | Plunger pump valve assembly for petroleum exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248335U (en) |
-
2023
- 2023-06-26 CN CN202321642708.8U patent/CN220248335U/en active Active
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