CN217501586U - Deviation-rectifying connector for polish rod sealing device of oil pumping unit - Google Patents
Deviation-rectifying connector for polish rod sealing device of oil pumping unit Download PDFInfo
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- CN217501586U CN217501586U CN202221717900.4U CN202221717900U CN217501586U CN 217501586 U CN217501586 U CN 217501586U CN 202221717900 U CN202221717900 U CN 202221717900U CN 217501586 U CN217501586 U CN 217501586U
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Abstract
The utility model relates to a connector of rectifying of beam-pumping unit polished rod sealing device, press cap and packing box including polished rod, upper nut, packing, still include cylindrical packing, packing coupling and eccentric connector, the packing box cover is located outside the polished rod, cylindrical packing spiral winding is placed in the packing box outside the polished rod in, the packing is pressed the cap and is compressed tightly cylindrical packing, upper nut compresses tightly the packing and presses the cap and with packing box upper end threaded connection, packing coupling upper end and packing box lower extreme threaded connection, packing coupling lower extreme is connected with eccentric connector upper end, eccentric connector lower extreme is connected with the beam-pumping unit well head, eccentric connector upper end and packing box are coaxial concentric, the eccentric connector lower extreme sets up to eccentric structure. The utility model aims at providing a connector of rectifying of beam-pumping unit polished rod sealing device makes the sealing device and the polished rod of well head top concentric, prevents the eccentric wear.
Description
Technical Field
The utility model relates to an oil drilling equipment technical field, in particular to connector of rectifying of beam-pumping unit polished rod sealing device.
Background
The polish rod of the reciprocating oil pumping unit needs to be provided with a polish rod sealer with excellent sealing performance in the reciprocating motion process, and the polish rod moves up and down in the polish rod sealer. However, in the production process of the pumping unit, the wellhead pipe section can cause misalignment between the polished rod and the wellhead due to reasons such as foundation subsidence, so that friction between the polished rod and the packing in the sealing device is aggravated, the sealing packing is seriously abraded, and the polished rod is also more seriously abraded, so that a device capable of correcting deviation is needed, and the polished rod above the wellhead can be concentric with the sealing device.
To address the above issues, it is desirable to provide a connector that enables the sealing device above the wellhead to be concentric with the polish rod.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connector of rectifying of beam-pumping unit polished rod sealing device makes the sealing device and the polished rod of well head top concentric, prevents the eccentric wear.
The utility model provides a technical scheme does: beam-pumping unit polished rod sealing device connector of rectifying, press cap and packing box including polished rod, last nut, packing, still include cylindrical packing, packing collar and eccentric connector, the packing box cover is located outside the polished rod, cylindrical packing spiral winding is placed in the packing box outside the polished rod in, the packing is pressed the cap and is compressed tightly cylindrical packing, go up the nut and compress tightly the packing and press the cap and with packing box upper end threaded connection, packing collar upper end and packing box lower extreme threaded connection, packing collar lower extreme is connected with eccentric connector upper end, eccentric connector lower extreme is connected with the beam-pumping unit well head, eccentric connector upper end and packing box are coaxial concentric, the eccentric connector lower extreme sets up to eccentric structure.
By adopting the technical scheme, the upper screw cap, the packing press cap, the packing box, the packing coupling and the eccentric connector are sequentially sleeved outside the polish rod from top to bottom, wherein the cylindrical packing is spirally wound outside the polish rod and is arranged in the packing box, the packing pressing cap tightly presses the cylindrical packing through an upper nut in threaded connection with the packing box, the upper end of the packing coupling is in threaded connection with the lower end of the packing box, the lower end of the packing coupling is connected with an eccentric connector, the upper end of the eccentric connector is coaxial and concentric with the packing box, the lower end of the eccentric connector is arranged into an eccentric structure, the eccentric structure at the lower end of the eccentric connector is connected with a well head of the pumping unit, when the polished rod reciprocates in the packing box, the polished rod part at the upper end of the eccentric connector keeps concentric with the packing box, the cylindrical packing and other sealing devices, the abrasion of the polished rod and the sealing devices is reduced, and the compensation space reserved by the eccentric part at the lower end can prevent the deviation caused by inclination of a well head, subsidence of the ground and the like. The utility model discloses utilize eccentric connector to entangle its upper end the polished rod portion to keep concentric with sealing device such as packing box and cylindrical packing, prevent the eccentric wear, improved sealing device's sealed cycle and sealed effect.
As the utility model discloses a further setting, the eccentric connector upper end outside is provided with the external screw thread and is connected with the packing coupling is inboard, eccentric connector lower extreme inboard is provided with the internal thread and is connected with the beam-pumping unit well head.
Through adopting above-mentioned technical scheme, threaded connection about eccentric connector can be direct does not need connecting pieces such as ring flange, has not only reduced the use of part, can also improve the leakproofness.
As the utility model discloses a further setting, the packing box lower extreme inboard sets up to conical, the outside spiral winding of the circular cone section polished rod of packing box is provided with the conical packing of matching.
As a further setting of the utility model, the packing box inboard is provided with the horse tooth and detains.
Through adopting above-mentioned technical scheme, the leakproofness of whole sealing device has been improved in the cooperation of cylindrical packing and circular cone packing, and the setting of horse tooth knot can prevent the circular cone packing rebound in the packing box.
As a further arrangement of the utility model, the fixed plate bar that is provided with in both sides of going up the nut.
Through adopting above-mentioned technical scheme, the nut is convenient for rotate in setting up of board pole, makes things convenient for workman's operation.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model provides a connector of rectifying of beam-pumping unit polished rod sealing device, its simple structure utilizes eccentric connector to rectify its upper end's polished rod portion to keep concentric with sealing device such as packing box and cylindrical packing, prevents the eccentric wear, has improved sealing device's sealed cycle and sealed effect.
2. The utility model provides a connector of rectifying of beam-pumping unit polished rod sealing device, eccentric connector can be directly threaded connection from top to bottom, does not need connecting pieces such as ring flange, has not only reduced the use of part, can also improve the leakproofness.
3. The utility model provides a connector of rectifying of beam-pumping unit polished rod sealing device, the cooperation of cylindrical packing and circular cone packing has improved whole sealing device's leakproofness, and the setting of horse tooth knot can prevent the conical packing rebound in the packing box.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a deviation rectifying connector of the polished rod sealing device of the oil pumping unit of the utility model;
fig. 2 is a schematic view of the eccentric connector with different angle three-dimensional structure.
In the attached figure, 1, a polish rod; 2. screwing a nut; 3. packing pressing cap; 4. a packing box; 5. a cylindrical packing; 6. packing coupling; 7. an eccentric connector; 8. a horse teeth buckle; 9. a conical packing; 10. a board rod.
Detailed Description
The invention is further described with reference to the following drawings and specific examples.
Referring to fig. 1-2, the deviation-correcting connector of the polish rod sealing device of the oil pumping unit provided by the utility model comprises a polish rod 1, an upper screw cap 2, a packing press cap 3, a packing box 4, a cylindrical packing 5, a packing collar 6 and an eccentric connector 7, the packing box 4 is sleeved outside the polish rod 1, the cylindrical packing 5 is spirally wound outside the polish rod 1 and is arranged in the packing box 4, the packing pressing cap 3 tightly presses the cylindrical packing 5, the upper screw cap 2 tightly presses the packing pressing cap 3 and is in threaded connection with the upper end of the packing box 4, the upper end of the packing coupling 6 is in threaded connection with the lower end of the packing box 4, the lower end of the packing coupling 6 is connected with the upper end of the eccentric connector 7, the lower end of the eccentric connector 7 is connected with a wellhead of the oil pumping unit, the upper end of the eccentric connector 7 is coaxial and concentric with the packing box 4, and the lower end of the eccentric connector 7 is of an eccentric structure. By adopting the technical scheme, the upper screw cap 2, the packing press cap 3, the packing box 4, the packing coupling 6 and the eccentric connector 7 are sequentially sleeved outside the polish rod 1 from top to bottom, wherein the cylindrical packing 5 is spirally wound outside the polish rod 1 and is arranged in the packing box 4, the packing press cap 3 compresses the cylindrical packing 5 through the upper screw cap 2 in threaded connection with the packing box 4, the upper end of the packing coupling 6 is in threaded connection with the lower end of the packing box 4, the lower end of the packing coupling is connected with the eccentric connector 7, the upper end of the eccentric connector 7 is coaxial and concentric with the packing box 4, the lower end of the eccentric connector is arranged into an eccentric structure, the eccentric structure at the lower end of the eccentric connector 7 is connected with a wellhead of the pumping unit, so that when the polish rod 1 reciprocates in the packing box 4, the polish rod 1 part at the upper end of the eccentric connector 7 is concentric with the packing box 4, the cylindrical packing 5 and other sealing devices, the abrasion of the polish rod 1 and the sealing devices is reduced, and a compensation space reserved at the eccentric part at the lower end can prevent the wellhead from inclining, Ground subsidence, etc. The utility model discloses utilize eccentric connector 7 to entangle 1 part of polished rod on its upper end to keep concentric with sealing device such as packing box 4 and cylindrical packing 5, prevent the eccentric wear, improved sealing device's sealed cycle and sealed effect.
Furthermore, the outer side of the upper end of the eccentric connector 7 is provided with an external thread to be connected with the inner side of the packing coupling 6, and the inner side of the lower end of the eccentric connector 7 is provided with an internal thread to be connected with a wellhead of the pumping unit. By adopting the technical scheme, the eccentric connector 7 can be directly connected with threads up and down, connecting pieces such as a flange plate are not needed, the use of parts is reduced, and the sealing property can be improved.
Furthermore, the inner side of the lower end of the packing box 4 is set to be conical, the outer side of the conical section polished rod 1 of the packing box 4 is spirally wound with a matched conical packing 9, and the inner side of the packing box 4 is provided with a horse teeth buckle 8. Adopt above-mentioned technical scheme, cylindrical packing 5 and conical packing 9's cooperation has improved whole sealing device's leakproofness, and the setting of horse tooth knot 8 can prevent that conical packing 9 in the packing box 4 from upwards removing.
Furthermore, a plate rod 10 is fixedly arranged on both sides of the upper nut 2. By adopting the technical scheme, the plate rod 10 is convenient for rotating the upper screw cap 2, and is convenient for workers to operate.
Claims (5)
1. Beam-pumping unit polished rod sealing device connector of rectifying, including polished rod (1), last nut (2), packing pressure cap (3) and packing box (4), its characterized in that: still include cylindrical packing (5), packing coupling (6) and eccentric connector (7), polished rod (1) is located outward to packing box (4) cover, cylindrical packing (5) spiral winding is placed in packing box (4) outside polished rod (1), cap (3) are pressed to packing, cylindrical packing (5) are compressed tightly to upper nut (2), compress tightly packing and press cap (3) and with packing box (4) upper end threaded connection, packing coupling (6) upper end and packing box (4) lower extreme threaded connection, packing coupling (6) lower extreme and eccentric connector (7) upper end are connected, eccentric connector (7) lower extreme and beam-pumping unit well head are connected, eccentric connector (7) upper end is coaxial with packing box (4), eccentric connector (7) lower extreme sets up to eccentric structure.
2. The deviation rectifying connector of the polish rod sealing device of the oil pumping unit according to claim 1, characterized in that: the outer side of the upper end of the eccentric connector (7) is provided with an external thread which is connected with the inner side of the packing coupling (6), and the inner side of the lower end of the eccentric connector (7) is provided with an internal thread which is connected with a wellhead of the pumping unit.
3. The deviation rectifying connector of the polish rod sealing device of the oil pumping unit according to claim 1, characterized in that: the inner side of the lower end of the packing box (4) is set to be conical, and the outer side of the conical section polished rod (1) of the packing box (4) is spirally wound with a matched conical packing (9).
4. The deviation rectifying connector of the polish rod sealing device of the oil pumping unit according to claim 3, wherein: the packing box (4) is provided with a horse tooth buckle (8) on the inner side.
5. The deviation rectifying connector of the polish rod sealing device of the oil pumping unit according to claim 1, characterized in that: and plate rods (10) are fixedly arranged on two sides of the upper screw cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717900.4U CN217501586U (en) | 2022-07-04 | 2022-07-04 | Deviation-rectifying connector for polish rod sealing device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717900.4U CN217501586U (en) | 2022-07-04 | 2022-07-04 | Deviation-rectifying connector for polish rod sealing device of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217501586U true CN217501586U (en) | 2022-09-27 |
Family
ID=83341659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221717900.4U Active CN217501586U (en) | 2022-07-04 | 2022-07-04 | Deviation-rectifying connector for polish rod sealing device of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217501586U (en) |
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2022
- 2022-07-04 CN CN202221717900.4U patent/CN217501586U/en active Active
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