CN218030072U - Three-section type oil well pump connecting-tripping device - Google Patents
Three-section type oil well pump connecting-tripping device Download PDFInfo
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- CN218030072U CN218030072U CN202222633726.1U CN202222633726U CN218030072U CN 218030072 U CN218030072 U CN 218030072U CN 202222633726 U CN202222633726 U CN 202222633726U CN 218030072 U CN218030072 U CN 218030072U
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Abstract
The utility model relates to an oil reservoir exploitation equipment technical field, concretely relates to syllogic oil-well pump takes off and connects ware, including upper segment connector, middle section connector and hypomere connector, the middle section connector be the cup structure and respectively with top and below the upper segment connector with hypomere connector screens is connected, the hypomere connector is the cup structure and is connected with the oil-well pump screw thread of below, the connection and the locking of sucker rod and oil-well pump piston can be realized to this device through the elasticity of middle section connector medium plate and outer screens bulge loop, owing to adopted the structure of syllogic, makes things convenient for the change and the maintenance of equipment, and compact structure, and small, thereby avoided spin formula to take off and connect the ware and probably be blocked the problem of accomplishing the connection of unable normal rotation.
Description
Technical Field
The utility model relates to an oil reservoir mining equipment technical field, concretely relates to syllogic oil-well pump takes off and connects ware.
Background
At present, the common connectors on the oil well pump include a claw type connector, a locking block type connector and a rail type connector. The spin-type disconnecting and connecting device is a widely used rail-type disconnecting and connecting device and has the characteristics of simplicity in operation, high tensile strength and the like, but the sliding key used in the conventional spin-type disconnecting and connecting device is the weakest part in the disconnecting and connecting device, and more than 60% of the disconnecting and connecting devices with problems are related to the sliding key.
The patent with application number 202021800113.7 discloses a spinning type disconnecting device for an oil well large pump, which comprises an upper body and a lower body, wherein the upper body is detachably connected with the lower body, the upper end of the upper body is connected with an oil pumping rod, and the lower end of the lower body is connected with an oil well pump piston; the upper body comprises an upper joint and a butt joint barrel, the lower end of the upper joint is in threaded connection with the upper end of the butt joint barrel, a round hole is formed in the upper part of an inner cavity of the butt joint barrel, and a slotted hole is formed in the middle of the inner cavity of the butt joint barrel; the lower body comprises a central rod, a track sliding sleeve, a centering cylinder, a protective sleeve, a spring and a lower joint, the head structure of the central rod is matched with the groove hole, the diameter of the neck part is slightly smaller than the width of the groove hole, and the middle part of the central rod is matched with the inner cavity of the butt joint cylinder; the well core rod inserts in the butt joint section of thick bamboo inner chamber of upper part of the body completely and rotates 90 and accomplish the butt joint process on the lower part of the body, and the device is through the process of rotatory butt joint of accomplishing, however because the device is comparatively complicated, leads to rotating the unstability of butt joint process, can take place to move the condition that the in-process takes off and docks the unable connection of in-process, and because the environment is complicated in the pit, takes place easily that the ware that takes off connects warp to block the unable rotatory condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a syllogic oil-well pump takes off and connects ware to the defect that prior art exists.
The technical scheme of the utility model is that:
the utility model provides a syllogic oil-well pump disconnect-connect ware, includes upper segment connector, middle section connector and hypomere connector, the middle section connector be cup structure and respectively with the top and below the upper segment connector with hypomere connector screens is connected, the hypomere connector be cup structure and with the oil-well pump screw thread connection of below.
The lower part of the upper section plug connector protrudes outwards to form an inner clamping convex ring, the elastic fixed middle plates of a plurality of arc-shaped structures are arranged on the inner circumference of the middle section connector, the middle parts of the elastic fixed middle plates protrude outwards to form clamping convex blocks, and the clamping convex blocks are connected with the upper end face of the inner clamping convex ring in a clamping mode.
The middle section connector is characterized in that an outer clamping convex ring is arranged on the outer wall of the lower portion of the middle section connector, a plurality of elastic clamping plates of a bow-shaped structure are arranged on the inner circumference of the lower section connector, the upper end of each elastic clamping plate is connected with the lower section connector, the lower end of each elastic clamping plate is a free end, and the outer clamping convex ring is connected with the elastic clamping plates in a clamping mode.
The outer wall of the middle section connector protrudes outwards, a plurality of lower connector unlocking columns are arranged on the circumference of the outer wall of the middle section connector, and the lower connector unlocking columns are vertically connected with the middle section connector in a sliding mode and are in contact sliding connection with the top of the elastic clamping plate.
Preferably, a plurality of upper plug connector unlocking columns are arranged at the positions, corresponding to the elastic centering plate, of the lower portion of the middle section connector, the upper plug connector unlocking columns are vertically connected with the middle section connector in a sliding mode, and the tops of the upper plug connector unlocking columns are in contact sliding connection with the lower portion of the elastic centering plate.
Preferably, the top of the middle connector is provided with an annular middle butt joint ring protruding upwards, the inner wall of the middle butt joint ring is provided with an inclined inner guide slope, and the bottom and the middle of the upper connector are respectively provided with an umbrella-shaped positioning block and a guide cone.
Preferably, the upper part of the upper segment plug connector is further provided with a buffer pad, and the buffer pad is in contact connection with the middle butt joint ring.
Preferably, the inner bottom surface of the middle connector is provided with a buffer spring, and the buffer spring is in contact connection with the umbrella-shaped positioning block.
Preferably, the top of the lower section connector is provided with a lower butt ring, the top end of the elastic clamping plate is connected with the lower butt ring, the top of the lower butt ring is inclined and is in contact connection with the conical outer wall of the lower portion of the middle section connector, and the bottom of the middle section connector is provided with a connecting screw thread and is connected with a piston screw thread of the oil well pump.
Compared with the prior art, the utility model, have following advantage:
the device can realize the connection and locking of the sucker rod and the oil well pump piston through the elastic fixed middle plate and the outer clamping convex ring of the middle connector, and is convenient for the replacement and maintenance of equipment due to the adoption of a three-section structure, compact in structure and small in size, thereby avoiding the problem that the self-rotating type disconnecting and connecting device can be clamped to normally rotate and can not complete the connection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-an upper-section plug connector, 11-a cushion pad, 12-a guide cone, 13-an inner clamping convex ring and 14-an umbrella-shaped positioning block;
2-middle connector, 21-middle butt joint ring, 211-inner guide slope, 22-lower connector unlocking column, 23-elastic fixed middle plate, 231-clamping convex block, 24-outer clamping convex ring, 25-buffer spring, 26-upper connector unlocking column;
3-lower connector, 31-lower butt ring, 32-elastic clamping plate and 33-connecting screw thread.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of various embodiments of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings for the sake of simplicity.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Referring to fig. 1, a syllogic oil-well pump takes off and connects ware, compare in traditional oil-well pump takes off and connects ware, this device has adopted the structure of syllogic, can be more nimble connect the locking and remove the connection, and because the components of a whole that can function independently is made and is changeed and maintain, concrete structure includes upper segment connector 1, middle section connector 2 and hypomere connector 3, upper segment connector 1 is the column bolt structure, middle section connector 2 is the cup structure and respectively with the upper segment connector 1 and the 3 screens of hypomere connector of top and below be connected, hypomere connector 3 is the cup structure and is connected with the oil-well pump screw thread of below.
The lower part of the upper-section plug connector 1 protrudes outwards to form an inner clamping convex ring 13, the inner circumference of the middle-section connector 2 is provided with a plurality of elastic fixed middle plates 23 with arc structures, the middle parts of the elastic fixed middle plates 23 protrude outwards to form clamping convex blocks 231, and the clamping convex blocks 231 and the upper end surface of the inner clamping convex ring 13 are connected in a clamping mode to form a clamping connection structure of the upper-section plug connector 1.
An outer clamping convex ring 24 is arranged on the outer wall of the lower part of the middle section connector 2, a plurality of elastic clamping plates 32 in a bow-shaped structure are arranged on the inner circumference of the lower section connector 3, the upper ends of the elastic clamping plates 32 are connected with the lower section connector 3, the lower ends of the elastic clamping plates are free ends, and the outer clamping convex ring 24 and the elastic clamping plates 32 are connected in a clamping mode to form a connecting structure of the lower section connector 3.
The outer wall of middle section connector 2 is gone up to outside protrusion and the circumference is provided with a plurality of connector unblock posts 22 down, lower connector unblock post 22 with middle section connector 2 perpendicular sliding connection and with the corresponding setting of elastic clamping plate 32, the bottom of lower connector unblock post 22 is provided with the slope, elastic clamping plate 32's top also is the slope, the bottom of lower connector unblock post 22 and elastic clamping plate 32's top contact sliding connection constitute hypomere connector 3 disengagement structure.
The method comprises the following specific working steps:
1. when the oil well operation, operating personnel connects hypomere connector 3 on the piston of oil-well pump, then inserts middle section connector 2 on hypomere connector 3, and outer screens bulge loop 24 and the 32 screens of elasticity cardboard are connected this moment, with middle section connector 2, hypomere connector 3 and oil-well pump piston together down to the position of design, then connect upper segment connector 1 on the sucker rod, go into the well with upper segment connector 1 and sucker rod together.
In actual use, the membrane is coated on the top of the middle section connector 2 on the ground, so that underground substances are prevented from entering the middle section connector 2 in the process of descending the well, and the connection of the upper section plug connector 1 and the middle section connector 2 is influenced.
2. The upper segment connector 1 continuously descends to poke the top film of the middle segment connector 2, is inserted into the middle segment connector 2 and is righted under the guiding and centering action of the elastic fixed middle plate 23, then the inner clamping convex ring 13 continuously descends and is clamped by the clamping convex block 231 of the elastic fixed middle plate 23, at the moment, the connection of the pumping rod from top to bottom, the upper segment connector 1, the middle segment connector 2, the lower segment connector 3 and the oil well pump piston is completed, and the reciprocating operation of pumping can be carried out.
3. When the unlocking step is finished, the sucker rod is continuously lifted up, the lower connector unlocking column 22 of the middle section connector 2 is blocked when encountering a pump port with a smaller inner diameter, the lower connector unlocking column 22 moves downwards relative to the elastic clamping plate 32 to push the elastic clamping plate 32 outwards, so that the locking connection between the elastic clamping plate 32 and the outer clamping convex ring 24 is released, the unlocking step is finished, and then the sucker rod is continuously lifted up to lift the upper section connector 1 and the middle section connector 2 together.
4. When the lower connector unlocking column 22 needs to be connected again, the sucker rod is used for driving the upper-section plug-in connector 1 and the middle-section connector 2 to descend together and be inserted into the lower-section connector 3, at the moment, the outer clamping convex ring 24 and the elastic clamping plate 32 are clamped and connected again, and therefore locking is achieved again.
The device can realize the connection and locking of the sucker rod and the oil well pump piston through the elastic fixed middle plate 23 and the outer clamping convex ring 24 of the middle section connector 2, and is convenient for the replacement and maintenance of equipment due to the adoption of a three-section structure, compact in structure and small in size, thereby avoiding the problem that the spin type disconnecting and connecting device can not be clamped to normally rotate to complete the connection.
Example two
Referring to fig. 1, the same as the first embodiment, except that a plurality of upper plug unlocking columns 26 are disposed at positions corresponding to the lower portion of the middle connector 2 and the elastic centering plate 23, the upper plug unlocking columns 26 are vertically and slidably connected to the middle connector 2, the top portions of the upper plug unlocking columns 26 are in contact and slidably connected to the lower portion of the elastic centering plate 23, and when the upper plug 1 and the middle connector 2 need to be unlocked, an operator can push the upper plug unlocking columns 26 upwards to push the elastic centering plate 23 outwards, so as to release the clamping structure of the elastic centering plate 23 and the inner clamping convex ring 13.
EXAMPLE III
Referring to fig. 1, the same as the second embodiment, except that the top of the middle connector 2 is provided with a middle docking ring 21 protruding upward, the inner wall of the middle docking ring 21 is provided with an inclined inner guiding slope 211, the bottom of the upper connector 1 is provided with an umbrella-shaped positioning block 14, the middle of the upper connector is provided with a guiding cone 12, and the inner guiding slope 211 plays a guiding and centering role for the umbrella-shaped positioning block 14 and the guiding cone 12.
The upper portion of upper segment connector 1 still is provided with blotter 11, and blotter 11 and well butt joint ring 21 contact are connected and play the cushioning effect when butt joint, avoid the device to take place to damage, have also played sealed effect simultaneously, avoid underground oil stain and silt particle to enter into middle section connector 2 inside, influence the stability of connecting and cause the corruption to middle section connector 2.
The buffer spring 25 is arranged on the inner bottom surface of the middle connector 2, and the buffer spring 25 is in contact connection with the umbrella-shaped positioning block 14 to buffer impact generated during butt joint so as to avoid damage to the device.
The top of the lower connector 3 is provided with a lower butting ring 31, the top end of the elastic clamping plate 32 is connected with the lower butting ring 31, and the top of the lower butting ring 31 is inclined and is in contact connection with the lower conical outer wall of the middle connector 2. The bottom of the middle connector 2 is provided with a connecting screw thread 33 and is connected with a piston screw thread of the oil well pump.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (6)
1. A three-section oil-well pump disconnecting-connecting device comprises an upper-section connector, a middle-section connector and a lower-section connector, and is characterized in that the middle-section connector is of a cup-shaped structure and is respectively connected with the upper-section connector and the lower-section connector in a clamping manner, and the lower-section connector is of a cup-shaped structure and is connected with a screw thread of an oil-well pump below;
the lower part of the upper section plug connector protrudes outwards to form an inner clamping convex ring, a plurality of elastic fixed middle plates with arc structures are arranged on the inner circumference of the middle section connector, the middle parts of the elastic fixed middle plates protrude outwards to form clamping convex blocks, and the clamping convex blocks are connected with the upper end face of the inner clamping convex ring in a clamping mode;
an outer clamping convex ring is arranged on the outer wall of the lower part of the middle section connector, a plurality of elastic clamping plates with a bow-shaped structure are arranged on the inner circumference of the lower section connector, the upper ends of the elastic clamping plates are connected with the lower section connector, the lower ends of the elastic clamping plates are free ends, and the outer clamping convex ring is in clamping connection with the elastic clamping plates;
the outer wall of the middle section connector protrudes outwards, a plurality of lower connector unlocking columns are arranged on the circumference of the outer wall of the middle section connector, and the lower connector unlocking columns are vertically connected with the middle section connector in a sliding mode and are in contact sliding connection with the top of the elastic clamping plate.
2. The three-segment pump disconnect-connect according to claim 1, characterized in that: the lower portion of the middle section connector and the position, corresponding to the elastic centering plate, of the middle section connector are provided with a plurality of upper plug connector unlocking columns, the upper plug connector unlocking columns are connected with the middle section connector in a vertical sliding mode, and the tops of the upper plug connector unlocking columns are connected with the lower portion of the elastic centering plate in a contact sliding mode.
3. The three-segment pump disconnect-connect according to claim 2, characterized in that: the top of the middle connector is provided with an annular middle butt joint ring protruding upwards, the inner wall of the middle butt joint ring is provided with an inclined inner guide slope, and the bottom and the middle of the upper connector are respectively provided with an umbrella-shaped positioning block and a guide cone.
4. The three-segment pump disconnect-connect according to claim 3, characterized in that: the upper part of the upper segment plug-in connector is also provided with a buffer pad, and the buffer pad is in contact connection with the middle butt-joint ring.
5. The three-segment pump disconnect-connect according to claim 3, characterized in that: and a buffer spring is arranged on the inner bottom surface of the middle section connector and is in contact connection with the umbrella-shaped positioning block.
6. The three-segment pump disconnect-connect according to claim 1, characterized in that: the top of the lower section connector is provided with a lower butt joint ring, the top end of the elastic clamping plate is connected with the lower butt joint ring, the top of the lower butt joint ring is inclined and is in contact connection with the conical outer wall of the lower part of the middle section connector, and the bottom of the middle section connector is provided with a connecting screw thread and is connected with a piston screw thread of the oil well pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633726.1U CN218030072U (en) | 2022-10-09 | 2022-10-09 | Three-section type oil well pump connecting-tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633726.1U CN218030072U (en) | 2022-10-09 | 2022-10-09 | Three-section type oil well pump connecting-tripping device |
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| CN218030072U true CN218030072U (en) | 2022-12-13 |
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| CN202222633726.1U Active CN218030072U (en) | 2022-10-09 | 2022-10-09 | Three-section type oil well pump connecting-tripping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307051A (en) * | 2023-11-29 | 2023-12-29 | 牡丹江市井田石油钻采配件有限公司 | High-strength eccentric wear prevention disengaging gear |
-
2022
- 2022-10-09 CN CN202222633726.1U patent/CN218030072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307051A (en) * | 2023-11-29 | 2023-12-29 | 牡丹江市井田石油钻采配件有限公司 | High-strength eccentric wear prevention disengaging gear |
| CN117307051B (en) * | 2023-11-29 | 2024-02-02 | 牡丹江市井田石油钻采配件有限公司 | High-strength eccentric wear prevention disengaging gear |
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