CN207863883U - A kind of universal joint tail portion connection structure suitable for downhole electric tool - Google Patents
A kind of universal joint tail portion connection structure suitable for downhole electric tool Download PDFInfo
- Publication number
- CN207863883U CN207863883U CN201721901222.6U CN201721901222U CN207863883U CN 207863883 U CN207863883 U CN 207863883U CN 201721901222 U CN201721901222 U CN 201721901222U CN 207863883 U CN207863883 U CN 207863883U
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- China
- Prior art keywords
- universal joint
- electric tool
- tail portion
- downhole electric
- downhole
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- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A kind of universal joint tail portion connection structure suitable for downhole electric tool being related to downhole tool field, the structure include downhole electric tool and universal joint；Cable pipeline and liquid line are equipped in the central through hole of the downhole electric tool, the oral area of downhole electric tool is equipped with positioning pressuring plate；The cable pipeline corresponds to the electric mortiser fittings with universal joint tail portion, the liquid line correspondence is connected to the liquid connection-peg of universal joint tail portion, the positioning pressuring plate plate face is equipped with multiple holes for corresponding interspersed and fixed electric mortiser connector and liquid connection-peg, and the periphery of corresponding aperture is equipped with multiple symmetrical recirculation holes；The oral area correspondence of the downhole electric tool is docked with the tail portion of universal joint, and is fixed by positioning pin；The structure can complete quickly connection or disassembling section between downhole electric tool and the tail portion of universal joint, safe and reliable, easy, efficient.
Description
Technical field
The utility model is related to downhole tool fields, more particularly, to a kind of logical suitable for what is connect with downhole electric tool
With connector tail portion connection structure.
Background technology
It is well known, existing downhole tool, including electric tool, hydraulic tool and machine tool etc., in these tools,
It is usually all to be connected using simple tubing thread in application that especially the tool of standard tubing screw thread is stayed at both ends, such as intermediate connection electricity
Cable and various liquid pipe lines, then use again in wear form of tubes, the form type of connectivity port is also more various, meanwhile, in length
It has also been found that, it is easier to occur slipping situation at the pigtail connection of downhole electric tool, currently, connecing in order to prevent in the practical application of phase
Head slips, and rope clip is typically used to compress corresponding connector, but easily causes cable insulation again after being compressed using rope clip
Damage, so as to cause the transmission abnormality of cable, this is not only difficult to the normal use for effectively ensureing downhole electric tool, and
It is more inconvenient in installation, general and interchangeability to also result in downhole electric tool.
Invention content
The purpose of this utility model is to provide a kind of universal joint tail portion connection structure suitable for downhole electric tool,
Effectively to solve the problems mentioned above in the background art.
For achieving the above object, the utility model adopts the following technical solution：
A kind of universal joint tail portion connection structure suitable for downhole electric tool, the structure include downhole electric work
Tool and universal joint；Cable pipeline and liquid line, downhole electric work are equipped in the central through hole of the downhole electric tool
The oral area of tool is equipped with positioning pressuring plate；The cable pipeline corresponds to the electric mortiser fittings with universal joint tail portion, the liquid
Fluid line correspondence is connected to the liquid connection-peg of universal joint tail portion；The positioning pressuring plate plate face is equipped with multiple for corresponding interspersed
And the hole of fixed electric mortiser connector and liquid connection-peg, and the periphery of corresponding aperture is equipped with multiple symmetrical recirculation holes；The downhole electric
The oral area correspondence of tool is docked with the tail portion of universal joint, and is fixed by positioning pin；The plate face of the positioning pressuring plate with it is logical
With between connector opposing end surface, there are gaps, and the circulation groove being connected to the gap is equipped in universal joint.
Further, outer wall is equipped with connector sleeve at the docking of the downhole electric tool and universal joint.
Further, the connector sleeve both ends are equipped with positive left-hand thread.
Further, described connector sleeve one end is connect with downhole electric tool taper thread, the other end of connector sleeve with it is general
Connector straight screw connection.
Further, the junction of the connector sleeve and universal joint is equipped with sealing ring, and is fixed by nut pressure ring.
Further, the recirculation hole is strip hole or crescent hole.
Due to using technical solution as described above, the utility model to have the advantages that：
Universal joint tail portion connection structure integral layout described in the utility model suitable for downhole electric tool is reasonable
It is compact, it is easy to use, is easy to seal；The structure can be completed soon between downhole electric tool and the tail portion of universal joint
The connection or disassembling section of speed, it is not only safe and reliable, easy, efficient, cable insulation is not damaged, but also can be corresponding
The effective convenience for improving downhole electric tool in installation, general and exchange；The structure is particularly suitable for both ends and stays mark
Quasi- tubing round thread, containing cable, liquid, underground liquid channel electric tool, or contain only one, the electric tool in two kind of channel
It is applicable in.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the plate face schematic diagram of positioning pressuring plate.
In figure：1, downhole electric tool；2, cable pipeline；3, liquid line；4, positioning pressuring plate；5, electric mortiser connector；6, liquid
Connection-peg；7, hole；8, recirculation hole；9, universal joint；10, positioning pin；11, connector sleeve；12, nut pressure ring.
Specific implementation mode
The present invention can be explained in more detail by the following examples, open the purpose of this utility model is intended to protection originally
All changes and improvements within the scope of utility model, the utility model are not limited to the following examples：
In conjunction with attached drawing 1~2, the universal joint tail portion connection structure suitable for downhole electric tool includes underground electricity
Power driven tools 1 and universal joint 9；For the downhole electric tool 1 there are standard tubing screw thread, the center of downhole electric tool 1 is logical
Cable pipeline 2 and liquid line 3 are equipped in hole, the cable pipeline 2 corresponds to and be located at the electric mortiser connector of 9 tail portion of universal joint
5 connections, the liquid line 3 correspondence are connected to the liquid connection-peg 6 for being located at 9 tail portion of universal joint；The mouth of downhole electric tool 1
Portion is equipped with positioning pressuring plate 4, and the plate face of positioning pressuring plate 4 is laid with for corresponding interspersed and fixed electric mortiser connector 5 and liquid connection-peg 6
Multiple holes 7, to make cable pipeline 2 and liquid line 3 respectively it is corresponding be connected to electric mortiser connector 5 and liquid connection-peg 6 after, can
It is fixedly positioning by uniformly distributed hole 7, while also avoiding the case where these junctions loosen；Meanwhile it being pressed in positioning
The peripheral place of the plate face corresponding aperture 7 of plate 4 is provided with multiple symmetrical recirculation holes 8, and can be reached by these recirculation holes 8 makes well
The purpose that lower liquid smoothly circulates；As needed, it is the circulation for underground liquid of being more convenient for, recirculation hole 8 can be set as strip hole
Or crescent hole；The oral area correspondence of the downhole electric tool 1 is docked with the tail portion of universal joint 9, and passes through multiple positioning pins 10
The integral circumferential of the junction is set to position all fixed；Between 9 opposing end surface of plate face and universal joint of positioning pressuring plate 4 there are
Gap, and the circulation groove flowed for underground liquid being connected to the gap is equipped in universal joint 9；
It, can be in 1 He of downhole electric tool to increase the firmness that downhole electric tool 1 and universal joint 9 are correspondingly connected with
Connector sleeve 11 is arranged in outer wall at the docking of universal joint 9, i.e., reinforces the intensity of the junction by connector sleeve 11, further avoid
The case where junction loosens in practical applications；As needed, can be arranged at the both ends of connector sleeve 11 corresponding
Positive and negative buckle structure is correspondingly connected with downhole electric tool 1 and universal joint 9, so as to more convenient by positive left-hand thread
Carry out installation and removal operation；It as needed, can be by the way of taper thread connection by one end of connector sleeve 11 and underground electricity
Power driven tools 1 link together, and the other end of connector sleeve 11 and universal joint 9 are connected to one by the way of straight screw connection
It rises；, can be in the sealing ring corresponding with the setting of the junction of universal joint 9 of connector sleeve 11 to reinforce leakproofness, and pass through nut
Sealing ring is pressed abd fixed on the junction of connector sleeve 11 and universal joint 9 by pressure ring 12.
When implementing universal joint tail portion connection structure described in the utility model suitable for downhole electric tool, only need by
Downhole electric tool 1 can come into operation together with being correspondingly connected with universal joint 9, wherein：1, liquid communication flow：Underground electricity
Liquid in power driven tools 1 is flowed out by liquid line 3, and enters the liquid of 9 tail portion of universal joint by the through-hole in liquid connection-peg 6
In body pipeline；2, cable circulation flow：Cable in downhole electric tool 1 is pierced by by cable pipeline, and by electric mortiser connector 5
In through-hole enter in the cable pipeline of 9 tail portion of universal joint；3, underground liquid circulation flow：Underground liquid passes through downhole electric
The through-hole at 1 center of tool flows through the opposing end surface for being flowed into positioning pressuring plate 4 and universal joint 9 on positioning pressuring plate 4 after recirculation hole 8
Between joint gap in, and flow ultimately into the annular flow straight slot on 9 tail end of universal joint.
The non-detailed portion of the utility model is the prior art, therefore the utility model is not described in detail.
Claims (6)
1. a kind of universal joint tail portion connection structure suitable for downhole electric tool, the structure includes downhole electric tool
(1) and universal joint (9), it is characterized in that：Be equipped in the central through hole of the downhole electric tool (1) cable pipeline (2) and
The oral area of liquid line (3), downhole electric tool (1) is equipped with positioning pressuring plate (4)；The cable pipeline (2) it is corresponding with it is general
The electric mortiser connector (5) of connector (9) tail portion is connected to, the corresponding liquid connection-peg with universal joint (9) tail portion of the liquid line (3)
(6) it is connected to, the positioning pressuring plate (4) plate face is equipped with multiple for corresponding interspersed and fixed electric mortiser connector (5) and liquid connection-peg
(6) hole (7), and the periphery of corresponding aperture (7) is equipped with multiple symmetrical recirculation holes (8)；The oral area of the downhole electric tool (1)
Correspondence is docked with the tail portion of universal joint (9), and fixed by positioning pin (10)；The plate face of the positioning pressuring plate (4) with it is logical
With between connector (9) opposing end surface, there are gaps, and the circulation groove being connected to the gap is equipped in universal joint (9).
2. the universal joint tail portion connection structure according to claim 1 suitable for downhole electric tool, it is characterized in that：Institute
Outer wall is equipped with connector sleeve (11) at the docking of the downhole electric tool (1) and universal joint (9) stated.
3. the universal joint tail portion connection structure according to claim 2 suitable for downhole electric tool, it is characterized in that：Institute
Connector sleeve (11) both ends stated are equipped with positive left-hand thread.
4. the universal joint tail portion connection structure according to claim 2 suitable for downhole electric tool, it is characterized in that：Institute
Connector sleeve (11) one end stated is connect with downhole electric tool (1) taper thread, the other end and the universal joint (9) of connector sleeve (11)
Straight screw connection.
5. the universal joint tail portion connection structure according to claim 2 suitable for downhole electric tool, it is characterized in that：Institute
It states connector sleeve (11) and the junction of universal joint (9) is equipped with sealing ring, and be fixed by nut pressure ring (12).
6. the universal joint tail portion connection structure according to claim 1 suitable for downhole electric tool, it is characterized in that：Institute
The recirculation hole (8) stated is strip hole or crescent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901222.6U CN207863883U (en) | 2017-12-29 | 2017-12-29 | A kind of universal joint tail portion connection structure suitable for downhole electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901222.6U CN207863883U (en) | 2017-12-29 | 2017-12-29 | A kind of universal joint tail portion connection structure suitable for downhole electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863883U true CN207863883U (en) | 2018-09-14 |
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ID=63464014
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901222.6U Active CN207863883U (en) | 2017-12-29 | 2017-12-29 | A kind of universal joint tail portion connection structure suitable for downhole electric tool |
Country Status (1)
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| CN (1) | CN207863883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611045A (en) * | 2018-12-14 | 2019-04-12 | 洛阳润成石化设备有限公司 | Underground multichannel frees electrically controlled and hydraulically formula safety device simultaneously |
-
2017
- 2017-12-29 CN CN201721901222.6U patent/CN207863883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611045A (en) * | 2018-12-14 | 2019-04-12 | 洛阳润成石化设备有限公司 | Underground multichannel frees electrically controlled and hydraulically formula safety device simultaneously |
| CN109611045B (en) * | 2018-12-14 | 2023-12-19 | 洛阳润成石化设备有限公司 | Underground multichannel simultaneous release electric control hydraulic safety device |
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