CN202134739U - MWD (measurement while drilling) instrument screwing anti-releasing connector - Google Patents
MWD (measurement while drilling) instrument screwing anti-releasing connector Download PDFInfo
- Publication number
- CN202134739U CN202134739U CN201120258610U CN201120258610U CN202134739U CN 202134739 U CN202134739 U CN 202134739U CN 201120258610 U CN201120258610 U CN 201120258610U CN 201120258610 U CN201120258610 U CN 201120258610U CN 202134739 U CN202134739 U CN 202134739U
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- China
- Prior art keywords
- plug
- shell
- screwing
- socket
- fixed
- 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 - Lifetime
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Abstract
The present utility model discloses an MWD (measurement while drilling) instrument screwing anti-releasing connector. The connector comprises a plug connector and a socket, wherein the plug connector comprises a plug, a screwing shell and a nut, a negative contact piece is fixed on one end of an insulation body which is arranged inside the plug, a wire welding column is fixed on the other end; a positive contact piece is fixed on one end of an insulation body which is arranged inside the socket, a wire welding column is fixed on the other end; the negative contact piece is coupled with the positive contact piece, the screwing shell is sleeved outside a plug shell, the plug shell is provided with a spacing device for fixing a positioning end of the screwing shell outside the plug shell; and a socket shell is movably connected with the thread end of the screwing shell, and the plug shell is movably connected with the nut. In the connector, through arranging the spacing device for fixing the positioning end of the screwing shell outside the plug shell on the plug shell, the socket shell is connected with the thread end of the screwing shell through the thread, the plug shell is connected with the nut, and the releasing phenomenon of the connector appeared in the pit strong composite vibration environment is effectively avoided.
Description
Technical field
The utility model relates to a kind of anticreep buckle device of screwing that is used for directional tool.
Background technology
In the oil drilling work progress, because factor such as drill, underground vibrating is very strong, and underground vibrating is not unidirectional vibration, but all directions all have the strong complex vibration of vibration.Need to use the long-time non-stop run in the strong complex vibration environment in down-hole of directional tool downhole instrument string in the Process of Oil Well Drilling; Because directional tool downhole instrument string is interconnected through connector by each pipe nipple and forms, existing connector has only plug and socket through being threaded, or has used the precession shell but effect is undesirable; In the strong complex vibration environment in down-hole, work for a long time owing to connect; Often occur causing inner the connection to interrupt or loose contact, operate as normal for a long time because of vibration causes the situation of threading off; Greatly influence operating efficiency, and cause operating irregularity.
Summary of the invention
The purpose of the utility model provides a kind of directional tool anticreep buckle device of screwing, can be in the strong complex vibration environment in down-hole long-time steady operation, avoid occurring the dropout phenomenon.
The utility model adopts following technical proposals:
A kind of directional tool anticreep buckle device of screwing; Comprise pin connector and socket, said pin connector comprises plug, precession shell and nut, and insulator one end of plug inside setting is fixed with negative contact; The other end is fixed with the electric wire welded post; Insulator one end of described socket set inside is fixed with positive contact, and the other end is fixed with the electric wire welded post, and negative contact and positive contact mate each other; The precession shell is enclosed within the plug casing outside; Plug casing is provided with stopping means the positioning end of precession shell is fixed on the plug casing outside, and the end of thread of Socket casing and precession shell flexibly connects, plug casing and nut flexible connection.
Said stopping means comprises spring coil, is arranged on stopper slot and gear wheel on the plug casing, and gear wheel was provided with around plug casing one week, and spring coil is arranged in the stopper slot, and part and the gear wheel that spring coil protrudes in stopper slot carries out spacing to the positioning end of precession shell.
Be provided with the Location resilient piece of installing and locating key in the said precession shell, the gear wheel on positioning key and the plug casing matees each other.
The end of thread of described precession shell is provided with internal thread, and Socket casing is provided with the external screw thread that is complementary with internal thread near an end of positive contact, and Socket casing and precession shell flexibly connect through screw thread.
Said plug casing is provided with external screw thread near an end of electric wire welded post, and the internal thread of external screw thread and nut one end setting is complementary.
Said plug casing is provided with locating piece near an end outer wall of negative contact, and Socket casing is provided with an externally threaded end inwall and is provided with location notch, and locating piece and location notch mate each other.
The utility model is simple in structure; Be easy to realize, through stopping means is set the positioning end of precession shell be fixed on the plug casing outside on plug casing, the end of thread of Socket casing and precession shell is through being threaded; Plug casing is connected with nut; Avoid connector in the strong complex vibration environment in down-hole, the dropout phenomenon to occur effectively, guaranteed the long-time steady operation of connector, improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of pin connector in the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the stopper slot on the plug casing and spring coil in the utility model;
Fig. 4 is the structural representation of precession enclosure Location resilient piece and positioning key in the utility model;
Fig. 5 is the structural representation of socket in the utility model;
Fig. 6 is the right view of Fig. 5.
Embodiment
Extremely shown in Figure 6 like Fig. 1; The utility model comprises pin connector and socket 3, and pin connector comprises plug 1, precession shell 2 and nut 4, and plug 1 set inside has insulator 5; Insulator 5 one ends are fixed with negative contact 6; The other end is fixed with electric wire welded post 7, and plug 1 housing is provided with external screw thread 8 near an end of electric wire welded post 7, also is provided with stopper slot 9 and gear wheel 10 on plug 1 housing; Gear wheel 10 was provided with around plug one week of 1 housing, and plug 1 housing is provided with 5 locating pieces 11 near an end outer wall of negative contact 6; Said precession shell 2 two ends are respectively the end of thread and positioning end, and the end of thread is provided with three-way dextrorotation internal thread 12, and precession shell 2 set inside have Location resilient piece 13, and Location resilient piece 13 is provided with positioning key 14; Said socket 3 set inside have insulator 15; Insulator 15 1 ends are fixed with the positive contact 16 that is complementary with negative contact 6; The other end is fixed with electric wire welded post 17; Socket 3 housings are provided with the three-way dextrorotation external screw thread 18 that matches with three-way dextrorotation internal thread 12 near an end outer wall of positive contact 16, and socket 3 housings are provided with 5 location notchs 19 that match with locating piece 11 near an end inwall of positive contact 16; Said nut 4 one ends are provided with the internal thread that matches with external screw thread 8.During use; At first align 5 location notchs 19 that are provided with on 5 locating pieces 11 that are provided with on the plug 1 housing outer wall and socket 3 inner walls; Insert socket 3 to plug 1 then; The negative contact 6 of plug 1 set inside and the positive contact 16 of socket 3 set inside closely contact at this moment; Precession shell 2 is enclosed within plug 1 outside, and the three-way dextrorotation external screw thread 18 that is provided with on the three-way dextrorotation internal thread 12 that utilizes 2 end of thread settings of precession shell and the socket 3 housing outer walls couples together precession shell 2 and socket 3, behind the precession shell 2 of screwing; This moment precession shell 2 positioning end one side with plug 1 housing on the gear wheel 10 that is provided with closely contact; The positioning end opposite side closely contact with spring coils 20 in being arranged on stopper slot 9, and the positioning end that spring coil 20 protrudes in part and 10 pairs of precession shells 2 of gear wheel of stopper slot 9 carries out spacing, and the positioning key 14 of setting just in time is stuck between the gear teeth of gear wheel 10 on the precession shell 2 positioned internal shell fragments 13; Utilize the external screw thread 8 of plug 1 housing one end setting and the internal thread of nut 4 one end settings that plug 1 and nut 4 are coupled together at last.
The utility model plays the effect of avoiding mispluging and preventing plug 1 and socket 3 dropouts through locating piece 11 and being used of location notch 19; Play the effect that prevents that precession shell 2 and socket 3 from threading off through three-way dextrorotation internal thread 12 and being used of three-way dextrorotation external screw thread 18; Through the effect that prevents that precession shell 2 and plug 1 from threading off of having played that is used of gear wheel 10 and stopper slot 9, Location resilient piece 13, positioning key 14, spring coil 20, use the effect that prevents that plug 1 and nut 4 from threading off of having played through the screw-internal thread fit of external screw thread 8 and nut 4 one end settings.
Claims (6)
1. directional tool anticreep buckle device of screwing; Comprise pin connector and socket, said pin connector comprises plug, precession shell and nut, and insulator one end of plug inside setting is fixed with negative contact; The other end is fixed with the electric wire welded post; Insulator one end of described socket set inside is fixed with positive contact, and the other end is fixed with the electric wire welded post, and negative contact and positive contact mate each other; It is characterized in that: the precession shell is enclosed within the plug casing outside; Plug casing is provided with stopping means the positioning end of precession shell is fixed on the plug casing outside, and the end of thread of Socket casing and precession shell flexibly connects, plug casing and nut flexible connection.
2. the directional tool according to claim 1 anticreep buckle device of screwing; It is characterized in that: said stopping means comprises spring coil, is arranged on stopper slot and gear wheel on the plug casing; Gear wheel was provided with around one week of plug casing; Spring coil is arranged in the stopper slot, and part and the gear wheel that spring coil protrudes in stopper slot carries out spacing to the positioning end of precession shell.
3. the directional tool according to claim 2 anticreep buckle device of screwing, it is characterized in that: be provided with the Location resilient piece of installing and locating key in the said precession shell, the gear wheel on positioning key and the plug casing matees each other.
4. the directional tool according to claim 3 anticreep buckle device of screwing; It is characterized in that: the end of thread of described precession shell is provided with internal thread; Socket casing is provided with the external screw thread that is complementary with internal thread near an end of positive contact, and Socket casing and precession shell flexibly connect through screw thread.
5. the directional tool according to claim 4 anticreep buckle device of screwing, it is characterized in that: said plug casing is provided with external screw thread near an end of electric wire welded post, and the internal thread of external screw thread and nut one end setting is complementary.
6. the directional tool according to claim 5 anticreep buckle device of screwing; It is characterized in that: said plug casing is provided with locating piece near an end outer wall of negative contact; Socket casing is provided with an externally threaded end inwall and is provided with location notch, and locating piece and location notch mate each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120258610U CN202134739U (en) | 2011-07-21 | 2011-07-21 | MWD (measurement while drilling) instrument screwing anti-releasing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120258610U CN202134739U (en) | 2011-07-21 | 2011-07-21 | MWD (measurement while drilling) instrument screwing anti-releasing connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202134739U true CN202134739U (en) | 2012-02-01 |
Family
ID=45523498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120258610U Expired - Lifetime CN202134739U (en) | 2011-07-21 | 2011-07-21 | MWD (measurement while drilling) instrument screwing anti-releasing connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202134739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154472A (en) * | 2023-09-19 | 2023-12-01 | 天水程达电气有限公司 | Plug mechanism applied to external monitoring equipment of transformer |
-
2011
- 2011-07-21 CN CN201120258610U patent/CN202134739U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154472A (en) * | 2023-09-19 | 2023-12-01 | 天水程达电气有限公司 | Plug mechanism applied to external monitoring equipment of transformer |
| CN117154472B (en) * | 2023-09-19 | 2024-05-07 | 天水程达电气有限公司 | Plug mechanism applied to external monitoring equipment of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |