CN203559851U - Connecting sleeve fixing structure of fisher - Google Patents
Connecting sleeve fixing structure of fisher Download PDFInfo
- Publication number
- CN203559851U CN203559851U CN201320725565.7U CN201320725565U CN203559851U CN 203559851 U CN203559851 U CN 203559851U CN 201320725565 U CN201320725565 U CN 201320725565U CN 203559851 U CN203559851 U CN 203559851U
- Authority
- CN
- China
- Prior art keywords
- connecting sleeve
- fisher
- adapter sleeve
- shell
- outer shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a connecting sleeve fixing structure of a fisher. The connecting sleeve fixing structure comprises an outer shell and a connecting sleeve. The connecting sleeve is installed inside the outer shell. The outer wall of the connecting sleeve and the inner wall of the outer shell are respectively provided with a thread. The connecting sleeve and the outer shell are connected through the threads. The connecting sleeve is connected with the end of the outer shell in a welding mode. Due to the fact that the connecting sleeve and the outer shell are in threaded connection, and the outer portion of the connecting sleeve and the outer portion of the outer shell are welded, the firmness of the fisher is greatly enhanced, and the fisher cannot disengage at the welding position.
Description
Technical field
The utility model relate to for salvage in oil well, hydrological well or core boring in the fisher of drilling tool, sleeve pipe or junk, the particularly adapter sleeve of fisher.
Background technology
In oil field operation process, often have some instruments or metal sundries and fall into well and affect oil well operation at present, must salvage it, fisher has been exactly the instrument of this task.As shown in Figure 1, at the interior installation adapter sleeve 2 of shell 1, the inwall of adapter sleeve 2 is furnished with salvaging sheet to the structure of existing fisher, for blocking junk band producing well.The existing problem of existing fisher is: adapter sleeve 2 is directly to inject in shell 1, the B place that adapter sleeve 2 contacts with shell 1 there is no be threaded (as shown in Figure 3), only at adapter sleeve 2, weld (as shown in Figure 2) with shell 1 A place, outside, such fisher at work fastness is inadequate, and weld easily comes off.
Utility model content
For the existing above-mentioned defect of existing fisher, applicant, through Improvement, provides a kind of fastness to strengthen, the adapter sleeve fixed structure of the fisher that weld can not come off.
The technical solution of the utility model is as follows:
An adapter sleeve fixed structure for fisher, comprises shell and adapter sleeve, and described adapter sleeve is arranged in described shell, on the outer wall of described adapter sleeve and the inwall of described shell, is respectively equipped with screw thread, and described adapter sleeve and described shell are threaded connection; The end of described adapter sleeve and described shell is by being welded to connect.
Useful technique effect of the present utility model is:
The utility model is connected with outer casing screw by adapter sleeve, and weld both outsides again simultaneously, and the fastness of fisher has been strengthened greatly, and weld can not come off yet.
Advantage of the present utility model will provide in specific embodiment description partly below, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing fisher.
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Fig. 3 is the enlarged drawing at B place in Fig. 1.
Fig. 4 is sectional view of the present utility model.
Fig. 5 is the enlarged drawing at A place in Fig. 4.
Fig. 6 is the enlarged drawing at B place in Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
As shown in Figure 4, the utility model is a kind of adapter sleeve fixed structure of fisher, comprises shell 1 and adapter sleeve 2, and adapter sleeve 2 is arranged in shell 1.As shown in Figure 6, on the inwall of the outer wall of adapter sleeve 2 and shell 1, be respectively equipped with screw thread, adapter sleeve 2 is threaded connection with shell 1.As shown in Figure 5, the end of adapter sleeve 2 and shell 1 is by being welded to connect.By adapter sleeve 2 and shell 1, be threaded, weld both outsides again simultaneously, and the fastness of fisher is strengthened greatly, and weld can not come off yet.
Above-described is only preferred embodiment of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate under the prerequisite that does not depart from basic conception of the present utility model, within all should thinking and being included in protection domain of the present utility model.
Claims (1)
1. the adapter sleeve fixed structure of a fisher, comprise shell (1) and adapter sleeve (2), described adapter sleeve (2) is arranged in described shell (1), it is characterized in that: on the inwall of the outer wall of described adapter sleeve (2) and described shell (1), be respectively equipped with screw thread, described adapter sleeve (2) is threaded connection with described shell (1); The end of described adapter sleeve (2) and described shell (1) is by being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725565.7U CN203559851U (en) | 2013-11-16 | 2013-11-16 | Connecting sleeve fixing structure of fisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725565.7U CN203559851U (en) | 2013-11-16 | 2013-11-16 | Connecting sleeve fixing structure of fisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559851U true CN203559851U (en) | 2014-04-23 |
Family
ID=50509579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725565.7U Expired - Fee Related CN203559851U (en) | 2013-11-16 | 2013-11-16 | Connecting sleeve fixing structure of fisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590774A (en) * | 2013-11-16 | 2014-02-19 | 无锡中地地质装备有限公司 | Connecting sleeve fixing structure of fisher |
-
2013
- 2013-11-16 CN CN201320725565.7U patent/CN203559851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590774A (en) * | 2013-11-16 | 2014-02-19 | 无锡中地地质装备有限公司 | Connecting sleeve fixing structure of fisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |