CN202832352U - Double floating type environment-friendly multifunctional well mouth sealing device - Google Patents
Double floating type environment-friendly multifunctional well mouth sealing device Download PDFInfo
- Publication number
- CN202832352U CN202832352U CN 201220565857 CN201220565857U CN202832352U CN 202832352 U CN202832352 U CN 202832352U CN 201220565857 CN201220565857 CN 201220565857 CN 201220565857 U CN201220565857 U CN 201220565857U CN 202832352 U CN202832352 U CN 202832352U
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- China
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- packing
- main body
- paraffin removal
- paraffin
- sealing device
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- Expired - Fee Related
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Abstract
The utility model discloses a double floating type environment-friendly multifunctional well mouth sealing device, and relates to an oil field well mouth sealing device. The double floating type environment-friendly multifunctional well mouth sealing device is formed in a mode that a packing box, a paraffin removal device and a connector are placed on a polish rod from top to bottom in sequence in a sleeved mode. The paraffin removal device is composed of an upper paraffin removal valve main body and a lower paraffin removal valve main body. A paraffin removal packing, a paraffin valve sealing strip and a paraffin removal valve pressing cap are arranged in radial direction between the upper paraffin removal valve main body and the lower paraffin removal valve main body from interior to exterior in sequence. A ball head of the packing box is placed on the upper paraffin removal valve main body. A deviation adjustment pressing cap is placed on the ball head of the packing box in clamping and sleeved modes and is connected with a screw thread of the upper paraffin removal valve main body in a tight fit mode. The connector is placed on the lower paraffin removal valve main body. A connection pressing cap is placed on the connector in clamping and sleeved modes and is connected with a screw thread of the lower paraffin removal valve main body in a tight fit mode. The double floating type environment-friendly multifunctional well mouth sealing device is reasonable in structural design, so that usage rate of the packing is improved, and service life of the packing is prolonged. The double floating type environment-friendly multifunctional well mouth sealing device is high in safety coefficient and beneficial for protecting environment.
Description
Technical field
The utility model relates to a kind of oil field shaft mouth sealing device, relates in particular to a kind of double floating type environment protection multifunctional well mouth sealing device.
Background technology
In oil extraction in oil field, the application of well mouth sealing device is essential, wellhead sealing and eccentric wear directly affect the operating efficiency of oil recovery simultaneously, the most function singleness of existing well mouth sealing device, the packing unreasonable structure, to such an extent as to the packing utilization rate is low, safety factor is relatively low, replacement cycle is shorter, produces input greatly and is unfavorable for environmental protection.
Summary of the invention
The utility model is intended to for the deficiency that exists in the background technology, and provide one in double floating type environment protection multifunctional well mouth sealing device.
Double floating type environment protection multifunctional well mouth sealing device of the present utility model, on polished rod, to be set with successively from top to bottom packing box, paraffin removal unit and jointing to consist of, described paraffin removal unit is to be made of upper wax removal valve body and lower paraffin valve door main body, between upper wax removal valve body and lower paraffin valve door main body, radially be provided with successively from inside to outside wax removal packing, paraffin valve door weather strip and wax removal valve pressure cap, wherein, wax removal packing and the clamping of paraffin valve door weather strip, wax removal valve pressure cap and paraffin valve door weather strip are fastening by the wax removal adjusting bolt; The bulb of packing box is seated on the wax removal valve body, tuningout pressure cap cutting ferrule on the packing box bulb and with paraffin valve door main body screw thread tight fit connection; The jointing seat on lower paraffin valve door main body, connect the pressure cap cutting ferrule on jointing and with lower paraffin valve door main body screw thread tight fit connection.
As further improvement of the utility model, the contact surface of described upper wax removal valve body and tuningout pressure cap and packing box bulb is provided with lower of bias-adjusting sealing and the bias-adjusting sealing seat of honour.
As further improvement of the utility model, in packing box, be provided with packing, the packing clamping sleeve compresses packing and has packing to compress the upper end screw thread tight fit connection that pressure cap compresses packing clamping sleeve and packing box.
The utility model double floating type environment protection multifunctional well mouth sealing device, structure design is closed, and has improved the utilization rate of packing, has prolonged its life cycle, saves cost, and safety factor is high, is conducive to environmental protection.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
, be described further the utility model double floating type environment protection multifunctional well mouth sealing device below in conjunction with Fig. 1:
Double floating type environment protection multifunctional well mouth sealing device of the present utility model is to be set with successively from top to bottom packing box 2, paraffin removal unit and jointing 1 to consist of on polished rod 16, according to the construction needs, can be provided with polished rod protective sleeve 17 at polished rod 16.Described paraffin removal unit is to be made of upper wax removal valve body 4 and lower paraffin valve door main body 6, radially be provided with successively from inside to outside wax removal packing 7, paraffin valve door weather strip 8 and wax removal valve pressure cap 9 at upper wax removal valve body 4 and 6 of lower paraffin valve door main bodies, namely go up wax removal valve body 4, wax removal packing 7 and lower paraffin valve door main body 6 and be enclosed within on the polished rod successively.Wherein, wax removal packing 7 and 8 clampings of paraffin valve door weather strip, wax removal valve pressure cap 9 and paraffin valve door weather strip 8 are fastening by wax removal adjusting bolt 10; The bulb of packing box 2 is seated on the wax removal valve body 4, tuningout pressure cap 3 cutting ferrules on packing box 2 bulbs and with paraffin valve door main body 4 screw thread tight fit connections; And upper wax removal valve body 4 and tuningout pressure cap 3 are provided with lower 12 of bias-adjusting sealing and the bias-adjusting sealing seat of honour 11 with the contact surface of packing box 2 bulbs.1 of jointing on lower paraffin valve door main body 6, connect pressure cap 5 cutting ferrules on jointing 1 and with lower paraffin valve door main body 6 screw thread tight fit connections.
Be provided with packing 13 in packing box 2, packing clamping sleeve 14 compresses packing 13 and has packing to compress the upper end screw thread tight fit connection that pressure cap 15 compresses packing clamping sleeve 14 and packing box 2.
Claims (3)
1. double floating type environment protection multifunctional well mouth sealing device, on polished rod (16), to be set with successively from top to bottom packing box (2), paraffin removal unit and jointing (1) consist of, it is characterized in that paraffin removal unit is to be made of upper wax removal valve body (4) and lower paraffin valve door main body (6), between upper wax removal valve body (4) and lower paraffin valve door main body (6), radially be provided with successively from inside to outside wax removal packing (7), paraffin valve door weather strip (8) and wax removal valve pressure cap (9), wherein, wax removal packing (7) and paraffin valve door weather strip (8) clamping, wax removal valve pressure cap (9) and paraffin valve door weather strip (8) are fastening by wax removal adjusting bolt (10); The bulb of packing box (2) is seated on the wax removal valve body (4), tuningout pressure cap (3) cutting ferrule on packing box (2) bulb and with paraffin valve door main body (4) screw thread tight fit connection; Jointing (1) seat on lower paraffin valve door main body (6), connect pressure cap (5) cutting ferrule in jointing (1) upper and with lower paraffin valve door main body (6) screw thread tight fit connection.
2. double floating type environment protection multifunctional well mouth sealing device as claimed in claim 1 is characterized in that described upper wax removal valve body (4) and tuningout pressure cap (3) and the contact surface of packing box (2) bulb are provided with lower of bias-adjusting sealing (12) and the bias-adjusting sealing seat of honour (11).
3. double floating type environment protection multifunctional well mouth sealing device as claimed in claim 1 or 2, it is characterized in that being provided with in the packing box (2) packing (13), packing clamping sleeve (14) compresses packing (13) and has packing to compress the upper end screw thread tight fit connection that pressure cap (15) compresses packing clamping sleeve (14) and packing box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565857 CN202832352U (en) | 2012-10-31 | 2012-10-31 | Double floating type environment-friendly multifunctional well mouth sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565857 CN202832352U (en) | 2012-10-31 | 2012-10-31 | Double floating type environment-friendly multifunctional well mouth sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832352U true CN202832352U (en) | 2013-03-27 |
Family
ID=47944084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220565857 Expired - Fee Related CN202832352U (en) | 2012-10-31 | 2012-10-31 | Double floating type environment-friendly multifunctional well mouth sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251125A (en) * | 2013-06-25 | 2014-12-31 | 荆州市高鑫石油阀件有限公司 | Universal follow-up bias adjusting polished rod sealing mechanism |
| CN109869111A (en) * | 2019-03-14 | 2019-06-11 | 青岛理工大学 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
-
2012
- 2012-10-31 CN CN 201220565857 patent/CN202832352U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251125A (en) * | 2013-06-25 | 2014-12-31 | 荆州市高鑫石油阀件有限公司 | Universal follow-up bias adjusting polished rod sealing mechanism |
| CN109869111A (en) * | 2019-03-14 | 2019-06-11 | 青岛理工大学 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
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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: 20130327 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |