CN213684050U - A quick fishing tool for continuous pole - Google Patents
A quick fishing tool for continuous pole Download PDFInfo
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- CN213684050U CN213684050U CN202022974701.9U CN202022974701U CN213684050U CN 213684050 U CN213684050 U CN 213684050U CN 202022974701 U CN202022974701 U CN 202022974701U CN 213684050 U CN213684050 U CN 213684050U
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- clamping teeth
- conical surface
- barrel body
- barrel
- butt joint
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Abstract
The utility model discloses a quick fishing tool for a continuous rod, which relates to the technical field of oilfield underground fishing equipment and comprises an upper barrel body, an upper clamping tooth, a butt joint, a lower barrel body and a lower clamping tooth, wherein the upper part of the inner wall of the upper barrel body is provided with an inner conical surface, the lower part of the inner wall of the lower barrel body is provided with an inner conical surface, the lower end of the upper barrel body is fixedly connected with the upper end of the lower barrel body through the butt joint, and the three parts are coaxially arranged; the upper clamping tooth and the lower clamping tooth are both formed by a plurality of slips in a circumferential array, and inverted teeth are arranged on the inner wall of each slip; the upper clamping teeth are fixedly arranged in the inner cavity of the upper barrel and positioned between the conical surface in the upper barrel and the butt joint, the lower clamping teeth are arranged in the inner cavity of the lower barrel in a sliding manner, the outer wall of the inlet end of the lower clamping teeth is provided with an outer conical surface corresponding to the conical surface in the lower barrel, and a spring is arranged between the lower clamping teeth and the butt joint; the upper cylinder body and the upper clamping teeth in the device are in a conical locking mode, so that the continuous rod can be quickly butted; the device has the advantages of simple structure and strong practicability, effectively improves the fishing efficiency and shortens the fishing period.
Description
Technical Field
The utility model relates to an oil field is salvaged equipment technical field in the pit, concretely relates to quick fishing tool for continuous pole.
Background
The fishing tool for the continuous sucker rod is a special tool for fishing tubular porous junk, such as an oil pipe, a drill rod, a milling sleeve, a packer, a water distributor, a production allocator and the like.
Furthermore, the continuous rod is usually connected with a rod head at the lower part to be butted with the fishing barrel, and the process of connecting the rod head at the lower part of the continuous rod is time-consuming and labor-consuming, so that the working efficiency of the oil well action is seriously influenced.
Therefore, it is necessary to develop a quick fishing tool suitable for a continuous sucker rod.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick fishing tool for continuous rod aiming at the defects existing in the prior art.
The technical scheme of the utility model is that: a quick fishing tool for a continuous rod comprises an upper barrel body, upper clamping teeth, a butt joint, a lower barrel body and lower clamping teeth, wherein an inner conical surface is arranged on the upper portion of the inner wall of the upper barrel body, an inner conical surface is arranged on the lower portion of the inner wall of the lower barrel body, the lower end of the upper barrel body is fixedly connected with the upper end of the lower barrel body through the butt joint, and the upper barrel body, the upper clamping teeth, the butt joint, the lower clamping teeth and the lower clamping teeth; the upper clamping tooth and the lower clamping tooth are formed by a plurality of slips in a circumferential array, the tail ends of the slips are integrated, and the inner wall of each slip is provided with inverted teeth; the upper clamping teeth are fixedly arranged in the inner cavity of the upper barrel and positioned between the conical surface in the upper barrel and the butt joint, and the outer wall of the inlet end of the upper clamping teeth is provided with an outer conical surface corresponding to the conical surface in the upper barrel; the lower clamping teeth are arranged in the inner cavity of the lower barrel in a sliding mode, the outer wall of the inlet end of the lower clamping teeth is provided with an outer conical surface corresponding to the inner conical surface of the lower barrel, and a spring is arranged between the lower clamping teeth and the butt joint.
Preferably, the upper clamping tooth and the lower clamping tooth are formed by 2-4 slips in a circumferential array.
Preferably, the top end of the upper cylinder body is provided with an inner chamfer.
Preferably, the lower end of the lower cylinder body is provided with an inner chamfer.
Preferably, the butt joint is provided with an overflow hole for communicating the inner cavity of the well with the inner cavity of the lower cylinder.
Preferably, the inlet ends of the upper clamping tooth and the lower clamping tooth are provided with inner chamfers.
Compared with the prior art, the utility model, have following advantage:
the upper cylinder body and the upper clamping teeth in the device are in a conical locking mode, so that the continuous rod can be quickly butted; the clamping teeth of the device are provided with the inverted teeth, so that falling objects can be conveniently gripped when the device is lifted, and falling objects can be prevented from falling into a well to the maximum extent; the upper and lower clamping teeth in the device have the same structure, and a deformation gap is reserved between adjacent slips for the clamping teeth to condense so as to clamp a continuous rod or falling objects; the device has the advantages of simple structure and strong practicability, effectively improves the fishing efficiency and shortens the fishing period.
Drawings
FIG. 1 is a schematic half-sectional view of the present invention;
FIG. 2 is a cross-sectional view of the lower jaw;
FIG. 3 is a top view of a lower jaw according to the first embodiment.
In the figure: 1. the device comprises an upper barrel, 2 parts of an upper clamping tooth, 3 parts of a butt joint, 301 parts of an overflow hole, 4 parts of a lower barrel, 5 parts of a lower clamping tooth, 6 parts of a spring, 7 parts of a slip, 701 parts of inverted teeth, 8 parts of an inner conical surface, 9 parts of an outer conical surface.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example one
Referring to fig. 1-3, a quick fishing tool for a continuous rod comprises an upper barrel 1, an upper clamping tooth 2, a butt joint 3, a lower barrel 4 and a lower clamping tooth 5, wherein an inner conical surface 8 is arranged at the upper part of the inner wall of the upper barrel 1, an inner conical surface 8 is arranged at the lower part of the inner wall of the lower barrel 4, the lower end of the upper barrel 1 is fixedly connected with the upper end of the lower barrel 4 through the butt joint 3, and the three are coaxially arranged; the upper clamping tooth 2 and the lower clamping tooth 5 are formed by four slips 7 in a circumferential array, the tail ends of the four slips 7 are integrated, and the inner wall of each slip 7 is provided with inverted teeth 701, so that falling objects can be clamped conveniently; the upper clamping teeth 2 are fixedly arranged in the inner cavity of the upper barrel body 1 and positioned between the inner conical surface 8 of the upper barrel body 1 and the butt joint 3, the outer wall of the inlet end of the upper clamping teeth 2 is provided with an outer conical surface 9 corresponding to the inner conical surface 8 of the upper barrel body 1, and the top end of the butt joint 3 is used for pressing the upper clamping teeth 2 to enable the upper clamping teeth 2 to be tightly engaged with the continuous rod; the lower clamping teeth 5 are arranged in the inner cavity of the lower barrel body 4 in a sliding mode, the outer wall of the inlet end of the lower clamping teeth 5 is also provided with an outer conical surface 9 corresponding to an inner conical surface 8 of the lower barrel body 4, a spring 6 is arranged between the lower clamping teeth 5 and the butt joint 3, and the spring 6 is used for pressing the lower clamping teeth 5 to guarantee pressing force of the lower clamping teeth 5.
When the utility model is used, firstly, the fishing tool is butted with the continuous rod, the lower end of the continuous rod is inserted into the upper cylinder body 1, the upper clamping teeth 2 bite the continuous rod, and the upper clamping teeth 2 are pressed onto the inner conical surface 8 of the upper cylinder body 1 through the inlet end outer conical surface 9 to tightly hold the continuous rod, so that the rapid butt joint is realized; after the fishing tool goes into a well, the falling objects in the well enter the lower barrel body 4, the lower clamping teeth 5 are pushed by the falling objects to upwards compress the spring 6 and upwards move, the inner diameter of the inlet end of the lower clamping teeth 5 is increased after the lower clamping teeth 5 upwards move, the falling objects enter the lower clamping teeth 5, then the lower clamping teeth 5 reset under the action of the resilience force of the spring 6, the lower clamping teeth 5 are tightly pressed on the inner conical surface 8 of the lower barrel body 4 through the outer conical surface 9 of the inlet end to tightly hold the falling objects, and the lower clamping teeth 5 bite the falling objects; the fishing tool is lifted, the lower barrel 4 is tightly attached to the inner and outer conical surfaces 9 of the lower clamping teeth 5 under the self weight of the falling object, the clamping force of the clamping slips 7 on the falling object is larger, and the falling object is clamped, so that the fishing is realized.
The upper barrel 1 and the upper clamping teeth 2 in the device are in a conical locking mode, so that the continuous rod can be quickly butted; the clamping teeth of the device are provided with the inverted teeth 701, so that falling objects can be gripped conveniently when the device is lifted, and falling objects can be prevented from falling into a well to the maximum extent; the upper and lower clamping teeth 5 in the device have the same structure, and a deformation gap is reserved between the adjacent slips 7 for the clamping teeth to contract to clamp a continuous rod or falling objects; the device has the advantages of simple structure and strong practicability, effectively improves the fishing efficiency and shortens the fishing period.
Example two
As an optimized embodiment of the present invention, the structure of the upper and lower cylinder bodies and the upper and lower latch inlet ends is optimized on the basis of the first embodiment, specifically: the upper end of the upper barrel body 1 and the lower end of the lower barrel body 4 are both provided with inner chamfers, and the inlet ends of the upper clamping teeth 2 and the lower clamping teeth 5 are also provided with inner chamfers; the chamfer at the upper end of the upper barrel body 1 is used for guiding the lower end of the continuous rod to enter the barrel body, the chamfer at the inlet end of the upper clamping tooth 2 is used for guiding the lower end of the continuous rod to smoothly enter the upper clamping tooth 2, the chamfer at the lower end of the lower barrel body 4 is used for guiding falling objects to enter the barrel body, and the chamfer at the inlet end of the lower clamping tooth 5 is used for guiding the falling objects to smoothly enter the lower clamping tooth 5; the optimized arrangement improves the butt joint speed of the continuous rod and the fishing tool and the butt joint speed of the falling objects and the fishing barrel, so that the fishing efficiency of the fishing tool is further improved.
EXAMPLE III
As a preferred embodiment of the present invention, this embodiment changes the structure of the upper latch 2 and the lower latch 5 on the basis of the second embodiment, and optimizes the structure of the butt joint 3; the method specifically comprises the following steps: the upper clamping tooth 2 and the lower clamping tooth 5 are formed by three slips 7 in a circumferential array, and an overflow hole 301 for communicating the inner cavity of the lower barrel 4 with the inner annulus of the well is formed in the butt joint 3.
When in use, the clamping teeth provided with three slips 7 can also achieve the clamping effect of the clamping teeth of the four slips 7 on the continuous rod or falling objects in the second embodiment; the overflow hole 301 on the butt joint 3 communicates the inner cavity of the lower cylinder 4 with the annular space in the well, and when the lower cylinder 4 is butted with a falling object, well liquid in the lower cylinder 4 can be rapidly discharged into the annular space in the well through the overflow hole 301.
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 quick fishing tool for a continuous rod, characterized in that: the upper barrel body, the upper clamping teeth, the butt joint, the lower barrel body and the lower clamping teeth are included, an inner conical surface is arranged on the upper portion of the inner wall of the upper barrel body, an inner conical surface is arranged on the lower portion of the inner wall of the lower barrel body, the lower end of the upper barrel body is fixedly connected with the upper end of the lower barrel body through the butt joint, and the upper barrel body, the upper clamping teeth, the lower clamping teeth, the butt joint; the upper clamping tooth and the lower clamping tooth are formed by a plurality of slips in a circumferential array, the tail ends of the slips are integrated, and the inner wall of each slip is provided with inverted teeth; the upper clamping teeth are fixedly arranged in the inner cavity of the upper barrel and positioned between the conical surface in the upper barrel and the butt joint, and the outer wall of the inlet end of the upper clamping teeth is provided with an outer conical surface corresponding to the conical surface in the upper barrel; the lower clamping teeth are arranged in the inner cavity of the lower barrel in a sliding mode, the outer wall of the inlet end of the lower clamping teeth is provided with an outer conical surface corresponding to the inner conical surface of the lower barrel, and a spring is arranged between the lower clamping teeth and the butt joint.
2. A quick fishing tool for continuous rods as claimed in claim 1, wherein: the upper clamping tooth and the lower clamping tooth are formed by 2-4 slips in a circumferential array.
3. A quick fishing tool for continuous rods as claimed in claim 1, wherein: an inner chamfer is arranged at the top end of the upper cylinder body.
4. A quick fishing tool for continuous rods as claimed in claim 1, wherein: an inner chamfer is arranged at the lower end of the lower cylinder body.
5. A quick fishing tool for continuous rods as claimed in claim 1, wherein: and the butt joint is provided with an overflow hole for communicating the inner cavity of the well with the inner cavity of the lower barrel.
6. A quick fishing tool for continuous rods as claimed in claim 1, wherein: the inlet ends of the upper clamping teeth and the lower clamping teeth are provided with inner chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974701.9U CN213684050U (en) | 2020-12-14 | 2020-12-14 | A quick fishing tool for continuous pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974701.9U CN213684050U (en) | 2020-12-14 | 2020-12-14 | A quick fishing tool for continuous pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684050U true CN213684050U (en) | 2021-07-13 |
Family
ID=76738759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022974701.9U Active CN213684050U (en) | 2020-12-14 | 2020-12-14 | A quick fishing tool for continuous pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684050U (en) |
-
2020
- 2020-12-14 CN CN202022974701.9U patent/CN213684050U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xue Peng Inventor after: Ma Jiajie Inventor after: Wang Jifei Inventor after: Zhang Youmei Inventor after: Wang Ningbo Inventor after: Li Shuai Inventor before: Xue Peng Inventor before: Ma Jiajie Inventor before: Zhou Hongbin Inventor before: Wang Jifei Inventor before: Zhang Youmei Inventor before: Wang Ningbo Inventor before: Li Shuai |
|
| CB03 | Change of inventor or designer information |