CN202467708U - Self-locking mechanism elevator - Google Patents
Self-locking mechanism elevator Download PDFInfo
- Publication number
- CN202467708U CN202467708U CN2012201045171U CN201220104517U CN202467708U CN 202467708 U CN202467708 U CN 202467708U CN 2012201045171 U CN2012201045171 U CN 2012201045171U CN 201220104517 U CN201220104517 U CN 201220104517U CN 202467708 U CN202467708 U CN 202467708U
- Authority
- CN
- China
- Prior art keywords
- elevator
- self
- locking mechanism
- lock
- lock tongue
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to an oil tube elevator for oilfields, in particular to a self-locking mechanism elevator. The self-locking mechanism elevator consists of an elevator body, a lock tongue, a small shaft, a torsional spring and a lock block, and is characterized in that a lock tongue slot and a lock block slot are arranged in the elevator body, the small shaft is used for respectively locking the lock tongue and the lock block in the lock tongue slot and the lock block slot of the elevator body, and the torsional spring is assembled on the small shaft. The self-locking mechanism elevator has the beneficial effects that during the oilfield well repair operation, the self-locking mechanism elevator is safe and reliable, so the occurrence of dangerous accidents is reduced.
Description
Technical field
The utility model relates to the pipe elevator of the aboveground usefulness in a kind of oil field, particularly a kind of self-locking mechanism elevator.
Background technology
At present, the pipe elevator majority that use in domestic oil field is a magnetic force pin elevator, and this elevator because operation produces vibration, pin takes place sometimes come off in job engineering, is prone to cause peril.
Summary of the invention
In order to overcome the problems referred to above, the utility model provides a kind of self-locking mechanism elevator, and this self-locking mechanism elevator is to form a self-locking mechanism through dead bolt, little axle, torsion spring and lock dog, prevents to cause in the job engineering danger.
The technical scheme that its technical problem of the utility model solution is taked is: a kind of self-locking mechanism elevator is made up of card body, dead bolt, little axle, torsion spring and lock dog; Its special character is: be provided with a lock tongue slot and a lock dog groove in the card body; With little axle dead bolt and lock dog are separately fixed in the lock tongue slot and lock dog groove of card body, on the little axle torsion spring are housed.
The beneficial effect of the utility model is: safe and reliable when oil well repairing operation, and reduce peril and take place.
Description of drawings
Accompanying drawing is the sketch map of the utility model.
Among the figure: the 1st, card body, the 2nd, dead bolt, the 3rd, little axle, the 4th, torsion spring, the 5th, lock dog.
The specific embodiment
In conjunction with accompanying drawing an embodiment is described.
In the accompanying drawing, be provided with a lock tongue slot and a lock dog groove in the card body 1, dead bolt 2 and lock dog 5 be separately fixed in the lock tongue slot and lock dog groove of card body 1, on the little axle 3 torsion spring 4 is housed with little axle 3.
Claims (1)
1. self-locking mechanism elevator; Form by card body, dead bolt, little axle, torsion spring and lock dog; It is characterized in that: be provided with a lock tongue slot and a lock dog groove in the card body, dead bolt and lock dog be separately fixed in the lock tongue slot and lock dog groove of card body, on the little axle torsion spring is housed with little axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201045171U CN202467708U (en) | 2012-03-18 | 2012-03-18 | Self-locking mechanism elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201045171U CN202467708U (en) | 2012-03-18 | 2012-03-18 | Self-locking mechanism elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467708U true CN202467708U (en) | 2012-10-03 |
Family
ID=46915874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201045171U Expired - Fee Related CN202467708U (en) | 2012-03-18 | 2012-03-18 | Self-locking mechanism elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812480A (en) * | 2017-03-24 | 2017-06-09 | 成都市卓新实业有限公司 | A kind of anti-single-ring tackling system of anticreep |
| CN107143292A (en) * | 2017-07-21 | 2017-09-08 | 南通金牛机械制造有限公司 | A kind of oil drill rocker elevator |
-
2012
- 2012-03-18 CN CN2012201045171U patent/CN202467708U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812480A (en) * | 2017-03-24 | 2017-06-09 | 成都市卓新实业有限公司 | A kind of anti-single-ring tackling system of anticreep |
| CN106812480B (en) * | 2017-03-24 | 2019-02-15 | 成都市卓新实业有限公司 | A kind of anti-single-ring tackling system of anticreep |
| CN107143292A (en) * | 2017-07-21 | 2017-09-08 | 南通金牛机械制造有限公司 | A kind of oil drill rocker elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130318 |