CN201915989U - Mine gas pumping and discharging hole packer - Google Patents
Mine gas pumping and discharging hole packer Download PDFInfo
- Publication number
- CN201915989U CN201915989U CN2010206921642U CN201020692164U CN201915989U CN 201915989 U CN201915989 U CN 201915989U CN 2010206921642 U CN2010206921642 U CN 2010206921642U CN 201020692164 U CN201020692164 U CN 201020692164U CN 201915989 U CN201915989 U CN 201915989U
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- CN
- China
- Prior art keywords
- connecting piece
- pipe connecting
- mine gas
- pump drainage
- gas pump
- 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 relates to a mine gas pumping and discharging hole packer which comprises a pipe connecting piece, and is characterized in that the outer side of the pipe connecting piece is sheathed with a ring-shaped elastic washer. Due to the technical scheme, when the mine gas pumping and discharging hole packer is used, the ring-shaped elastic washer is embedded into a gas pumping and discharging hole, and the pipe connecting piece is connected with a pumping and discharging pipe; due to the elasticity function of the ring-shaped elastic washer, the ring-shaped elastic washer and the mine gas pumping and discharging hole are in interference fit, and the aim of sealing can be achieved; and the mine gas pumping and discharging hole can be further externally plugged by cement paste or polyurethane. Therefore, the technical scheme of the mine gas pumping and discharging hole packer has the effects that the structure is simple, the manufacturing cost is low, the hole packer is convenient to use, a water or gas pipeline is not easily swelled and burst, and the hole sealing effect is better.
Description
Technical field
The utility model relates to mine gas pump drainage apparatus field, is specifically related to a kind of mine gas pump drainage hole packer.
Background technology
Traditional drawing out methane is that a releasing pipe is inserted in the gas extraction hole, then cement paste or polyurethane advanced to carry out shutoff, pump drainage in the hole with shutoff equipment pressure injection.This method is not only time-consuming, effort but also cost height, efficient are low; Other modes also have hydraulic type or vapour-pressure type gas hole packer, these two kinds of device fabrication cost height, use inconvenient, also easy spalling water, air pipe, sealing of hole weak effect.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of simple in structure, low cost of manufacture, easy to use, is difficult for spalling water, air pipe, the mine gas pump drainage hole packer of sealing of hole better effects if.
For achieving the above object, the utility model provides following technical scheme: a kind of mine gas pump drainage hole packer, comprise pipe connecting piece, and it is characterized in that: the described pipe connecting piece outside is arranged with the annular resilient packing ring.
By adopting technique scheme, during use, the annular resilient packing ring embeds in the gas extraction hole, pipe connecting piece is connected with releasing pipe, because the elastic reaction of annular resilient packing ring, make annular resilient packing ring and gas extraction hole interference fit reach the purpose of sealing, preferred, also can externally carry out further shutoff again with cement paste or polyurethane.Therefore, technical solutions of the utility model have simple in structure, low cost of manufacture, easy to use, are difficult for spalling water, air pipe, the effect of sealing of hole better effects if.
The utility model further is set to: an axial side end face of described annular resilient packing ring is provided with the annular recess around this end face.
By adopting technique scheme, when externally carrying out further shutoff with cement paste or polyurethane, cement paste or polyurethane enter in the groove, further make annular resilient packing ring and gas extraction hole and pipe connecting piece swelling mutually, thereby sealing effectiveness is better.
The utility model also further is set to: described annular recess comprise with the pipe connecting piece central axis to the inside wall that parallels setting, and the lateral wall that is connected with inside wall and is provided with, described inside wall and lateral wall angle are the acute angle setting.
By adopting technique scheme, further strengthen ring-type elastic washer and gas extraction hole and pipe connecting piece swelling effect mutually, thereby sealing effectiveness is better.
The utility model also further is set to: described inside wall and lateral wall angle be more than or equal to 50 °, and be less than or equal to 65 ° of settings.
By adopting technique scheme, further strengthen ring-type elastic washer and gas extraction hole and pipe connecting piece swelling effect mutually again, thereby sealing effectiveness is better.
The utility model also further is set to: the corresponding annular recess one end periphery of described annular resilient packing ring is provided with the flange to outer lug.
By adopting technique scheme, flange can compress mutually with the gas extraction hole aperture, further strengthens the sealing effectiveness between ring-type elastic washer and the gas extraction hole.
The utility model also further is set to: described annular resilient packing ring relative annular recess other end end face and periphery wall are by the transition of external convex arc shape chamfering.
By adopting technique scheme, make the annular resilient packing ring be more prone to embed in the gas extraction hole, thereby use convenient.
The utility model also further is set to: the corresponding annular resilient packing ring of described pipe connecting piece position outer wall is provided with the pipe connecting piece groove, and described pipe connecting piece groove is provided with around the pipe connecting piece outer wall, the inboard and suitable setting of pipe connecting piece groove of described annular resilient packing ring.
By adopting technique scheme, further strengthen the sealing effectiveness between ring-type elastic washer and the pipe connecting piece.
The utility model also further is set to: the radial section of described pipe connecting piece groove is the trapezoidal setting of being with wide outside and narrow inside.
By adopting technique scheme, further strengthen the sealing effectiveness between ring-type elastic washer and the pipe connecting piece.
The utility model also further is set to: described pipe connecting piece inwall is provided with screw thread.
By adopting technique scheme, pipe connecting piece can be connected with the releasing pipe threaded engagement by the screw thread of inwall, makes that use is convenient.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the utility model mine gas pump drainage hole packer example structure figure;
Fig. 2 is the A-A view of Fig. 1.
The specific embodiment
Referring to accompanying drawing 1 and accompanying drawing 2, the disclosed mine gas pump drainage of the utility model hole packer comprises pipe connecting piece 1, and described pipe connecting piece 1 outside is arranged with annular resilient packing ring 2.By adopting technique scheme, during use, annular resilient packing ring 2 embeds in the gas extraction hole, pipe connecting piece 1 is connected with releasing pipe, because the elastic reaction of annular resilient packing ring 2, make annular resilient packing ring 2 and gas extraction hole interference fit reach the purpose of sealing, preferred, also can externally carry out further shutoff again with cement paste or polyurethane.Therefore, technical solutions of the utility model have simple in structure, low cost of manufacture, easy to use, are difficult for spalling water, air pipe, the effect of sealing of hole better effects if.
The utility model further is set to: an axial side end face of described annular resilient packing ring 2 is provided with the annular recess 21 around this end face.By adopting technique scheme, when externally carrying out further shutoff with cement paste or polyurethane, cement paste or polyurethane enter in the annular recess 21, further make annular resilient packing ring 2 and gas extraction hole and pipe connecting piece 1 swelling mutually, thereby sealing effectiveness is better.
The utility model also further is set to: described annular recess 21 comprise with pipe connecting piece 1 central axis to the inside wall 211 that parallels setting, and the lateral wall 212 that is connected and is provided with inside wall 211, described inside wall 211 is the acute angle setting with lateral wall 212 angle α.By adopting technique scheme, further strengthen ring-type elastic washer 2 and gas extraction hole and pipe connecting piece 1 swelling effect mutually, thereby sealing effectiveness is better.Present embodiment inside wall 211 preferably is set to lateral wall 212 angle α, more than or equal to 50 °, and is less than or equal to 65 ° of settings.By adopting technique scheme, further strengthen ring-type elastic washer 2 and gas extraction hole and pipe connecting piece 1 swelling effect mutually again, thereby sealing effectiveness is better.
Present embodiment also further is set to: described annular resilient packing ring 2 corresponding annular recess 21 1 end peripheries are provided with the flange 22 to outer lug.By adopting technique scheme, flange 22 can compress mutually with the gas extraction hole aperture, further strengthens the sealing effectiveness between ring-type elastic washer 2 and the gas extraction hole.
Present embodiment also further is set to: described annular resilient packing ring 2 relative annular recess 21 other end end faces and periphery wall are by 23 transition of external convex arc shape chamfering.By adopting technique scheme, make annular resilient packing ring 2 be more prone to embed in the gas extraction hole, thereby use convenient.
Present embodiment also further is set to: described pipe connecting piece 1 corresponding annular resilient packing ring 2 position outer walls are provided with pipe connecting piece groove 11, described pipe connecting piece groove 11 centers on pipe connecting piece 1 outer wall setting, described annular resilient packing ring 2 inboard and pipe connecting piece groove 11 suitable settings.By adopting technique scheme, further strengthen the sealing effectiveness between ring-type elastic washer 2 and the pipe connecting piece 1.The utility model pipe connecting piece groove 11 radial sections can be with various different modes settings, and present embodiment is preferred, and the radial section of described pipe connecting piece groove 11 is the trapezoidal setting of being with wide outside and narrow inside.By adopting technique scheme, further strengthen the sealing effectiveness between ring-type elastic washer 2 and the pipe connecting piece 1.
Present embodiment also further is set to: described pipe connecting piece 1 inwall is provided with screw thread 12.By adopting technique scheme, pipe connecting piece can be connected with the releasing pipe threaded engagement by the screw thread 12 of inwall, makes that use is convenient.
Claims (9)
1. a mine gas pump drainage hole packer comprises pipe connecting piece, it is characterized in that: the described pipe connecting piece outside is arranged with the annular resilient packing ring.
2. mine gas pump drainage hole packer according to claim 1 is characterized in that: an axial side end face of described annular resilient packing ring is provided with the annular recess around this end face.
3. mine gas pump drainage hole packer according to claim 1 and 2, it is characterized in that: described annular recess comprise with the pipe connecting piece central axis to the inside wall that parallels setting, and the lateral wall that is connected and is provided with inside wall, described inside wall and lateral wall angle are the acute angle setting.
4. mine gas pump drainage hole packer according to claim 3 is characterized in that: described inside wall and lateral wall angle be more than or equal to 50 °, and be less than or equal to 65 ° of settings.
5. according to claim 2 or 4 described mine gas pump drainage hole packers, it is characterized in that: the corresponding annular recess one end periphery of described annular resilient packing ring is provided with the flange to outer lug.
6. mine gas pump drainage hole packer according to claim 5 is characterized in that: described annular resilient packing ring relative annular recess other end end face and periphery wall are by the transition of external convex arc shape chamfering.
7. according to claim 1 or 2 or 4 or 6 described mine gas pump drainage hole packers, it is characterized in that: the corresponding annular resilient packing ring of described pipe connecting piece position outer wall is provided with the pipe connecting piece groove, described pipe connecting piece groove is provided with around the pipe connecting piece outer wall, the inboard and suitable setting of pipe connecting piece groove of described annular resilient packing ring.
8. mine gas pump drainage hole packer according to claim 7 is characterized in that: the radial section of described pipe connecting piece groove is the trapezoidal setting of being with wide outside and narrow inside.
9. mine gas pump drainage hole packer according to claim 7 is characterized in that: described pipe connecting piece inwall is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206921642U CN201915989U (en) | 2010-12-31 | 2010-12-31 | Mine gas pumping and discharging hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206921642U CN201915989U (en) | 2010-12-31 | 2010-12-31 | Mine gas pumping and discharging hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915989U true CN201915989U (en) | 2011-08-03 |
Family
ID=44415789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206921642U Expired - Fee Related CN201915989U (en) | 2010-12-31 | 2010-12-31 | Mine gas pumping and discharging hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291352A (en) * | 2013-06-24 | 2013-09-11 | 中国矿业大学(北京) | Mechanical spiral hole packer used for draining coal seam gas |
-
2010
- 2010-12-31 CN CN2010206921642U patent/CN201915989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291352A (en) * | 2013-06-24 | 2013-09-11 | 中国矿业大学(北京) | Mechanical spiral hole packer used for draining coal seam gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHEN YUANMING Free format text: FORMER NAME: CHEN YUANPENG |
|
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yuanming Inventor before: Chen Yuanpeng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN YUANPENG TO: CHEN YUANMING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Zhejiang city of Wenzhou province Yueqing city wengyang town No. 180 North Street Patentee after: Chen Yuanming Address before: 325600 Zhejiang city of Wenzhou province Yueqing city wengyang town No. 180 North Street Patentee before: Chen Yuanpeng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20131231 |