CN208397524U - A kind of attachment device for coal mine gas extraction - Google Patents
A kind of attachment device for coal mine gas extraction Download PDFInfo
- Publication number
- CN208397524U CN208397524U CN201820109580.1U CN201820109580U CN208397524U CN 208397524 U CN208397524 U CN 208397524U CN 201820109580 U CN201820109580 U CN 201820109580U CN 208397524 U CN208397524 U CN 208397524U
- Authority
- CN
- China
- Prior art keywords
- external member
- screw thread
- plug
- unit
- groove portion
- 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 kind of attachment device for coal mine gas extraction, including external member, plug-in unit, sealing shroud, the external member, plug-in unit, sealing shroud are cylindrical tube；The external member has set head and external member silk groove portion, and the outer diameter of the external member silk groove portion is less than the outer diameter on set head, and the external member silk groove portion has inner circumferential screw thread；The plug-in unit has intercalation part, retaining ring portion, plug-in unit screw thread portion, and part screw thread portion has periphery spiral screw thread, and periphery spiral screw thread bottom end is provided with rubber washer, and plug-in unit screw thread portion is adapted with external member silk groove portion and passes through spiral screw thread and connect；The sealing shroud is set in plug-in unit screw thread portion and external member silk groove portion junction, and one end offsets with retaining ring portion, and with plug-in unit screw thread portion, external member silk groove portion tight fit.Improve the air-tightness of device.
Description
Technical field
The utility model relates to coal mine equipment technology field, relate in particular to a kind of for coal mine gas extraction
Attachment device.Connection for coal mine gas extraction pvc pipe.
Background technique
With the continuous promotion of gas drainage technology, the reasonable utilization rate of resource is low, sealing quality is difficult to be further ensured that,
The problems such as cannot achieve long-term efficient extraction gradually attracts attention.But hindering this series of problems principal element of solution is: having sealed
The outer pvc pipe of the sealing section of drilling is difficult to withdraw.Treatment measures used in Some Domestic coal mine are with favourable turn in drilling one at present
The pvc pipe of depthkeeping degree is destroyed, this measure consumes labour greatly and waste of resource.
So needing to design one kind, fast and easily device can make the interior pvc pipe quick separating that drills, to realize that gas is taken out
The recycling of the outer pvc pipe of borehole sealing section is remedied the secondary hole sealing of the mash gas pumping drilling of sealing quality difference, gas pumping
The super-long-term extraction and efficient extraction of borehole.
Summary of the invention
In view of the above-mentioned defects in the prior art, the utility model provides a kind of connection dress for coal mine gas extraction
It sets, the recycling of realizing the outer pvc pipe of mash gas pumping drilling sealing section, the secondary envelope to the mash gas pumping drilling of sealing quality difference
Hole remedies, the super-long-term extraction and efficient extraction of mash gas pumping drilling.
To achieve the above object, technical solution adopted in the utility model is:
A kind of attachment device for coal mine gas extraction, including external member, plug-in unit, sealing shroud, the external member are inserted
Part, sealing shroud are cylindrical tube；There is the external member set head and external member silk groove portion, the outer diameter of the external member silk groove portion to be less than
The outer diameter on head is covered, the external member silk groove portion has inner circumferential screw thread；The plug-in unit has intercalation part, retaining ring portion, plug-in unit silk
Buckle, part screw thread portion have periphery spiral screw thread, and periphery spiral screw thread bottom end is provided with rubber washer, the plug-in unit silk
Buckle is adapted with external member silk groove portion and passes through spiral screw thread and connect；The sealing shroud is set in plug-in unit screw thread portion and external member silk slot
Portion junction, one end offset with retaining ring portion, and with plug-in unit screw thread portion, external member silk groove portion tight fit.Improve the air-tightness of device.
As improvement to above-mentioned technical proposal, the sealing shroud is rubber.Sealing shroud retractility is good, the service life is long, can be tight
Close is set in plug-in unit screw thread portion, external member silk groove portion periphery.
As improvement to above-mentioned technical proposal, the external member, plug-in unit are pvc pipe.
Compared with prior art, beneficial effect acquired by the utility model is:
The attachment device for coal mine gas extraction of the utility model, in mash gas pumping drilling sealing of hole, this
Device is mounted between hole sealing device and the pvc pipe of outside.It, only need to be outside hole when needing to withdraw the pvc pipe outside block section
Pvc pipe is rotated and be pulled outwardly, the plug-in unit of attachment device and the relative rotation of external member is driven, separates, make pvc pipe from removing in hole
From to realize: one, the recycling of the outer pvc pipe of mash gas pumping drilling sealing section；Two, after pvc pipe is withdrawn in hole, pass through two
Secondary sealing of hole is, it can be achieved that remedy the secondary hole sealing of the mash gas pumping drilling of sealing quality difference；Three, after pvc pipe is withdrawn in hole, pass through
Secondary hole sealing, sealing quality be further enhanced, it can be achieved that mash gas pumping drilling super-long-term extraction and efficient extraction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of external member；
Fig. 3 is the structural schematic diagram of plug-in unit；
Fig. 4 is the structural schematic diagram of sealing shroud；
Fig. 5 is the mounting structure schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Embodiment one
As shown in Fig. 1,2,3,4,5, the attachment device for coal mine gas extraction of the utility model, one kind is used for
The attachment device of coal mine gas extraction, including external member 1, plug-in unit 2, sealing shroud 3, the external member 1, plug-in unit 2, sealing shroud 3 are equal
For cylindrical tube；The external member 1 has set head 4 and external member silk groove portion 5, and the outer diameter of the external member silk groove portion 5 is less than set head 4
Outer diameter, the external member silk groove portion 5 have inner circumferential screw thread；The plug-in unit 2 has intercalation part 7, retaining ring portion 8, plug-in unit screw thread
Portion 6, part screw thread portion 6 have periphery spiral screw thread, and periphery spiral screw thread bottom end is provided with rubber washer 9, the plug-in unit
Screw thread portion 6 is adapted with external member silk groove portion 5 and is connect by spiral screw thread；The sealing shroud 3 is set in plug-in unit screw thread portion 6 and set
5 junction of part silk groove portion, one end offset with retaining ring portion 8, and with plug-in unit screw thread portion 6,5 tight fit of external member silk groove portion.Improve dress
The air-tightness set.
As improvement to above-mentioned technical proposal, the sealing shroud 3 is rubber.3 retractility of sealing shroud is good, the service life is long, can
Closely it is set in plug-in unit screw thread portion 6,5 periphery of external member silk groove portion.
As improvement to above-mentioned technical proposal, the external member 1, plug-in unit 2 are pvc pipe.
Compared with prior art, beneficial effect acquired by the utility model is:
The attachment device for coal mine gas extraction of the utility model, in mash gas pumping drilling sealing of hole, this
Attachment device 12 is mounted between sealing section 11 and the pvc pipe 14 of outside, as shown in Figure 5.Wherein 13 be gas drilling, and 12 be this
Novel attachment device, 11 be sealing section, and 14 be pvc pipe；It, only need to be in hole when needing to withdraw the pvc pipe 14 outside block section
Outer rotation is simultaneously pulled outwardly pvc pipe 14, drives the plug-in unit of attachment device 12 and the relative rotation of external member, separates, makes pvc pipe 14 from hole
Interior withdraws, to realize: one, the recycling of the outer pvc pipe 14 of mash gas pumping drilling sealing section；Two, PVC pipe 14 is removed in hole
From rear, by secondary hole sealing, it can be achieved that being remedied to the secondary hole sealing of the mash gas pumping drilling of sealing quality difference；Three, pvc pipe in hole
After withdrawing, by secondary hole sealing, sealing quality is further enhanced, it can be achieved that the super-long-term extraction of mash gas pumping drilling and height
Imitate extraction.
Claims (3)
1. a kind of attachment device for coal mine gas extraction, which is characterized in that described including external member, plug-in unit, sealing shroud
External member, plug-in unit, sealing shroud are cylindrical tube；The external member has set head and external member silk groove portion, the external member silk groove portion
Outer diameter is less than the outer diameter on set head, and the external member silk groove portion has inner circumferential screw thread；The plug-in unit has intercalation part, retaining ring
Portion, plug-in unit screw thread portion, part screw thread portion have periphery spiral screw thread, and periphery spiral screw thread bottom end is provided with rubber washer,
Plug-in unit screw thread portion is adapted with external member silk groove portion and passes through spiral screw thread and connect；The sealing shroud is set in plug-in unit screw thread portion
With external member silk groove portion junction, one end offsets with retaining ring portion, and with plug-in unit screw thread portion, external member silk groove portion tight fit.
2. the attachment device according to claim 1 for coal mine gas extraction, which is characterized in that the sealing shroud
For rubber.
3. the attachment device according to claim 1 for coal mine gas extraction, which is characterized in that the external member,
Plug-in unit is pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109580.1U CN208397524U (en) | 2018-01-15 | 2018-01-15 | A kind of attachment device for coal mine gas extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109580.1U CN208397524U (en) | 2018-01-15 | 2018-01-15 | A kind of attachment device for coal mine gas extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397524U true CN208397524U (en) | 2019-01-18 |
Family
ID=65067100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820109580.1U Expired - Fee Related CN208397524U (en) | 2018-01-15 | 2018-01-15 | A kind of attachment device for coal mine gas extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486560A (en) * | 2019-08-16 | 2019-11-22 | 广州凌鼎建筑工程有限公司 | A kind of house feedwater piping |
-
2018
- 2018-01-15 CN CN201820109580.1U patent/CN208397524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486560A (en) * | 2019-08-16 | 2019-11-22 | 广州凌鼎建筑工程有限公司 | A kind of house feedwater piping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |