CN211258524U - Cable connection device with shock type unfreezing structure - Google Patents
Cable connection device with shock type unfreezing structure Download PDFInfo
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- CN211258524U CN211258524U CN201921585700.6U CN201921585700U CN211258524U CN 211258524 U CN211258524 U CN 211258524U CN 201921585700 U CN201921585700 U CN 201921585700U CN 211258524 U CN211258524 U CN 211258524U
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- cylindrical shell
- cylindrical
- connecting device
- cable connecting
- fixed joint
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Abstract
The utility model discloses a cable junction device with shock formula structure of releasing stuck, the casing that cup joints including core bar, core bar outside and the fixed joint of being connected with the casing, the surface of core bar and the internal surface butt of casing, fixed joint with the casing is connected and is cup jointed the core bar surface, the beneficial effects of the utility model are that simple structure can make logging instrument release stuck through the shock when logging instrument meets the card, improves logging efficiency, can connect multiple logging instrument, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of the oil field logging instrument technique and specifically relates to a cable junction device with structure is stuck to shock formula unfreezing is related to.
Background
In the prior art, in order to know the downhole condition of a drilled well, the downhole condition needs to be tested at a certain well depth position according to the drilling design, and a logging instrument used in the test needs to be lowered into the well by adopting a special logging cable.
Logging tools may be stuck while performing a log due to the formation, drilling techniques, and other factors. At present, an instrument is stuck when logging, and fishing work cannot be avoided. But the fishing process is more complicated and the cost is high. The fishing process causes a great deal of time loss, prolongs the downtime and reduces the working efficiency.
The utility model aims at providing a cable junction device with jar formula unfreezing structure can make logging instrument unfreeze through the jar when logging instrument meets the card, work efficiency when improving the logging.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cable junction device with jolt formula release card structure.
In order to achieve the above object, the present invention provides a technical solution:
a cable connecting device with a shock type unfreezing structure comprises a core bar, a cylindrical shell and a fixed joint, wherein the cylindrical shell is sleeved outside the positioning bar, the fixed joint is connected with the cylindrical shell, the outer surface of the core bar is abutted against the inner surface of the cylindrical shell, and the fixed joint is connected with the cylindrical shell and sleeved on the outer surface of the core bar;
two ends of the core rod are provided with a central through hole in a penetrating manner, one end of the core rod is fixedly provided with a cylindrical step body, the other end of the core rod is provided with at least 3 open grooves, and the 3 open grooves are uniformly distributed on the outer surface of one end of the core rod where the open grooves are located;
the inner structure of the cylindrical shell is hollow, sliding grooves penetrate through the side face of the cylindrical shell, the number of the sliding grooves is at least 3, and the 3 sliding grooves are uniformly distributed on the side face of the cylindrical shell where the sliding grooves are located;
the fixed joint is a cylindrical joint with a hollow structure.
The cylindrical step body of the core rod is a cylindrical step body with a hollow structure, and the outer end of the cylindrical step body is provided with internal threads.
The external diameter at cylinder casing both ends is less than the external diameter at cylinder casing middle part, just the side of the one end of cylinder casing is equipped with two corresponding through-holes, the cylinder casing is equipped with the one end of through-hole is in the through-hole with be equipped with the external screw thread between the cylinder casing middle part, its other end is kept away from the part at cylinder casing middle part is equipped with the external screw thread.
And one end of the inner surface of the fixed joint is provided with an internal thread.
The fixed joint is in threaded connection with the cylindrical shell.
The open slot of the core bar is connected with the fixed joint and the cylindrical shell through bolts.
The utility model has the advantages that:
simple structure can make logging instrument unfreeze through the jarring when logging instrument meets the card, improves logging efficiency, can connect multiple logging instrument, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the core rod structure of the present invention;
FIG. 3 is a perspective view of the cylindrical step body of the present invention;
FIG. 4 is a schematic view of the fixing joint structure of the present invention;
FIG. 5 is a schematic view of the cylindrical shell structure of the present invention;
fig. 6 is a partial enlarged view of the cylindrical shell of the present invention.
In the figure: 1. a core bar; 2. a cylindrical housing; 3. fixing the joint; 4. a central through hole; 5. a cylindrical step body; 6. an open slot; 7. a chute; 8. and a through hole.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings,
the utility model provides a cable junction device with structure is separated to jarring formula, the cylinder casing of establishing and the fixed joint of being connected with the cylinder casing including core bar, the outside cover of core bar, the surface of core bar and the internal surface butt of cylinder casing, fixed joint and cylinder casing are connected and the cover is established at the core bar surface, the utility model discloses an overall structure schematic diagram is shown in FIG. 1.
Two ends of the core rod are provided with a central through hole in a penetrating manner, one end of the core rod is fixedly provided with a cylindrical step body, the other end of the core rod is provided with 3 open grooves, the 3 open grooves are uniformly distributed on the outer surface of one end of the core rod where the open grooves are located, and the structural schematic diagram of the core rod is shown in fig. 2.
The cylindrical step body of the core rod is a cylindrical step body with a hollow structure, the outer end of the cylindrical step body is provided with internal threads, and the perspective view of the cylindrical step body is shown in figure 3.
The fixed joint is a cylindrical joint with a hollow structure, an internal thread is arranged at one end of the inner surface of the fixed joint, the fixed joint is in threaded connection with the cylindrical shell, and the schematic diagram of the fixed joint structure is shown in fig. 4.
The inner structure of the cylindrical shell is hollow, sliding grooves are formed in the side face of the cylindrical shell in a penetrating mode, the number of the sliding grooves is 3, the 3 sliding grooves are evenly distributed in the side face of the cylindrical shell where the sliding grooves are located, and the structural schematic diagram of the cylindrical shell is shown in fig. 5.
The external diameter at cylinder casing both ends is less than the external diameter at casing middle part, and the side of the one end of cylinder casing is equipped with two corresponding through-holes, and the one end that the cylinder casing was equipped with the through-hole is equipped with the external screw thread between through-hole and cylinder casing middle part, and the part that the cylinder casing middle part was kept away from to its other end is equipped with the external screw thread, and the local enlargements of cylinder casing are shown in figure 6.
The open slot of the core rod is connected with the fixed joint and the cylindrical shell through bolts.
The working engineering is as follows:
the inner thread of the step body of the core rod is connected with a logging instrument, a cable penetrates through the central through hole to be connected with the logging instrument, the fixed joint and the cylindrical shell are fixed on the outer surface of the core rod through a bolt, when the logging instrument is blocked, the cylindrical shell is repeatedly pulled by force, the bolt is broken through shock, after the bolt is broken, the core rod, the cylindrical shell and the fixed joint can relatively slide, and the logging process continues.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. The cable connecting device with the shock type unfreezing structure is characterized by comprising a core rod (1), a cylindrical shell (2) and a fixed joint (3), wherein the cylindrical shell (2) is sleeved outside the core rod (1), the fixed joint (3) is connected with the cylindrical shell (2), the outer surface of the core rod (1) is abutted to the inner surface of the cylindrical shell (2), and the fixed joint (3) is connected with the cylindrical shell (2) and sleeved on the outer surface of the core rod (1).
2. The cable connecting device with the shock type unfreezing structure is characterized in that a central through hole (4) penetrates through the centers of two ends of the core bar (1), a cylindrical step body (5) is fixedly arranged at one end of the core bar (1), an open groove (6) is formed in the other end of the core bar, the number of the open grooves (6) is at least 3, and the 3 open grooves (6) are uniformly distributed on the outer surface of one end of the core bar (1) where the open grooves are located.
3. The cable connecting device with the shock type unfreezing structure is characterized in that the inner structure of the cylindrical shell (2) is hollow, sliding grooves (7) penetrate through the side face of the cylindrical shell (2), the number of the sliding grooves (7) is at least 3, and the 3 sliding grooves (7) are uniformly distributed on the side face of the cylindrical shell (2) where the sliding grooves are located.
4. A cable connecting device with knock-type releasing structure according to claim 1, wherein said fixed joint (3) is a cylindrical joint of hollow structure.
5. The cable connecting device with the jar type stuck releasing structure as claimed in claim 2, wherein said cylindrical step body (5) is a hollow cylindrical step body, and the outer end of said cylindrical step body (5) is provided with an internal thread.
6. The cable connecting device with the shock type unfreezing structure is characterized in that the outer diameters of two ends of the cylindrical shell (2) are smaller than the outer diameter of the middle of the cylindrical shell (2), two corresponding through holes (8) are formed in the side face of one end of the cylindrical shell (2), one end, provided with the through holes (8), of the cylindrical shell (2) is provided with an external thread between the through holes (8) and the middle of the cylindrical shell (2), and the part, away from the middle of the cylindrical shell, of the other end of the cylindrical shell is provided with an external thread.
7. A cable connecting device with knock-type releasing structure as defined in claim 1 or 4, wherein said fixing joint (3) is internally threaded at one end of its inner surface.
8. A cable connecting device with jar type release structure according to claim 1, wherein the fixed joint (3) is screw-coupled with the cylindrical housing (2).
9. A cable connecting device with knock-type releasing structure according to claim 1, wherein the open slot (6) of the core rod (1) is connected with the fixed joint (3) and the cylindrical shell (2) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585700.6U CN211258524U (en) | 2019-09-23 | 2019-09-23 | Cable connection device with shock type unfreezing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585700.6U CN211258524U (en) | 2019-09-23 | 2019-09-23 | Cable connection device with shock type unfreezing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258524U true CN211258524U (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921585700.6U Active CN211258524U (en) | 2019-09-23 | 2019-09-23 | Cable connection device with shock type unfreezing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258524U (en) |
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2019
- 2019-09-23 CN CN201921585700.6U patent/CN211258524U/en active Active
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