CN206346716U - A kind of anti-well borer drill rod check valve pipe nipple - Google Patents
A kind of anti-well borer drill rod check valve pipe nipple Download PDFInfo
- Publication number
- CN206346716U CN206346716U CN201621496192.0U CN201621496192U CN206346716U CN 206346716 U CN206346716 U CN 206346716U CN 201621496192 U CN201621496192 U CN 201621496192U CN 206346716 U CN206346716 U CN 206346716U
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- CN
- China
- Prior art keywords
- pipe nipple
- check valve
- valve seat
- valve pipe
- sliding sleeve
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Abstract
A kind of anti-well borer drill rod check valve pipe nipple, it is related to mining machinery field, it includes upper pipe nipple, valve seat, top, upper sliding sleeve, low sleeve, bearing pin, check valve pipe nipple, described upper pipe nipple is fixedly connected with check valve pipe nipple by screw thread and jackscrew pushes down valve seat, described bearing pin is sequentially provided with top, upper sliding sleeve, spring and low sleeve from top to bottom, described top cross section is bullet, the upper end of bearing pin is additionally provided with fixing nut, described valve seat is located at the upper end of check valve pipe nipple inner chamber, and the inwall of valve seat is provided with coming directly towards the taper surface being engaged.Sealing ring is provided between described upper sliding sleeve and top.Rock slag reflux blocks drilling rod centre bore when the utility model has effectively prevented stacks, and during stacks, on the upside of drilling rod will not spilling water, screw thread fat will not be washed out, and be effectively protected drill rod thread.
Description
Technical field
The utility model is related to mining machinery field, specifically a kind of anti-well borer drill rod check valve pipe nipple.
Background technology
Pipe nipple be anti-well rig drilling system (drilling system include guide hole drill bit, reaming bit, guide hole pipe nipple, reaming
Pipe nipple, common drilling rod and stable drilling rod) a part, connection guide hole drill bit on the downside of guide hole pipe nipple, upside connect common drilling rod and
Stable drilling rod, drives drilling rod and pipe nipple to transmit pulling force and moment of torsion fractured rock by the rotation of rig.Fragmented rock is by following
The dynamic flushing fluid of circulation portals rock slag band outside, is precipitated through sedimentation basin.Flushing fluid can use clear water according to geological structure,
Mud can also be used.
The rotation of anti-well drill power head drives drilling rod and pipe nipple transmission moment of torsion fractured rock.Fragmented rock passes through high pressure
The flushing fluid circulated flows to shaft bottom from drilling rod center, and the outside of the rock slag in shaft bottom in the presence of water under high pressure from drilling rod is rushed
Onto well, guide hole pipe nipple originally only has through hole in centre, passes through for flushing fluid.But it must stop in stacks for circulation
Water, now due on the outside of drilling rod with big on the inside of rock slag pressure ratio, flushing fluid will with outside rock slag backspace drilling rod in the lump
Interstitial hole, and by drilling rod hole plug, and water on the upside of drilling rod constantly gushes out, and washes out the grease on screw thread, is brought to stacks
Inconvenience.
Utility model content
In order to overcome the defect that above-mentioned existing execution conditions and geological environment are present, the purpose of this utility model is to provide
A kind of anti-well borer drill rod check valve pipe nipple, rock slag reflux blocks drilling rod centre bore when it has effectively prevented stacks, and
And during stacks, on the upside of drilling rod will not spilling water, screw thread fat will not be washed out, and be effectively protected drill rod thread.
In order to solve the above problems, the utility model uses following technical scheme：A kind of anti-well borer drill rod check valve
Pipe nipple, it is characterized in that, including upper pipe nipple, valve seat, top, upper sliding sleeve, low sleeve, bearing pin, check valve pipe nipple, described upper pipe nipple
Be fixedly connected with check valve pipe nipple by screw thread and jackscrew and push down valve seat, described bearing pin be sequentially provided with from top to bottom top, on
Sliding sleeve, spring and low sleeve, described top cross section is bullet, and the upper end of bearing pin is additionally provided with fixing nut, described valve
Seat is located at the upper end of check valve pipe nipple inner chamber, and the inwall of valve seat is provided with coming directly towards the taper surface being engaged.
Further：Sealing ring is provided between described upper sliding sleeve and top.
The beneficial effects of the utility model are：Rock slag reflux blocks drilling rod centre bore when effectively having prevented stacks, and
And during stacks, on the upside of drilling rod will not spilling water, screw thread fat will not be washed out, and be effectively protected drill rod thread.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
In figure：Pipe nipple on 1,2 jackscrews, 3 nuts, 4 valve seats, 5 tops, 6 sealing rings, 7 upper sliding sleeves, 8 springs, 9
Stable rib, 10 bearing pins, 11 low sleeves, 12 check valve pipe nipples, 13 guide hole drill bits.
Embodiment
As shown in figure 1, a kind of anti-well borer drill rod check valve pipe nipple, including upper pipe nipple 1, valve seat 4, top 5, upper sliding sleeve
7th, low sleeve 11, bearing pin 10, check valve pipe nipple 12, described upper pipe nipple 1 and check valve pipe nipple 12 are fixed by screw thread and jackscrew 2
Valve seat 4 is pushed down in connection, and described bearing pin 10 is sequentially provided with top 5, upper sliding sleeve 7, spring 8 and low sleeve 11 from top to bottom, described
Upper sliding sleeve 7 and top 5 between be provided with sealing ring 6, the described cross section of top 5 is bullet, and the upper end of bearing pin 10 is additionally provided with
Fixing nut 3, described valve seat 4 is located at the upper end of the inner chamber of check valve pipe nipple 12, and the inwall of valve seat 4 is provided with to be engaged with top 5
Taper surface.
During for flushing fluid, flushing fluid is flowed from top to bottom, and the pressure of flushing fluid is acted on top 5, and top 5 pushes cunning
7 are covered, now spring 8 is compressed, top 5 and upper sliding sleeve 7 glide, path is opened between top 5 and valve seat 4, and flushing fluid can be suitable
Profit flows through.When stopping for flushing fluid, the flushing fluid with rock slag can be produced to upper sliding sleeve 7 and upwarded pressure on the outside of drilling rod, this
When upper sliding sleeve 7 promote top to hold out against valve seat 4, path blockade between top 5 and valve seat 4, it is to avoid rock slag reflux during stacks
Block drilling rod centre bore, and during stacks, on the upside of drilling rod will not spilling water, screw thread fat will not be washed out, and be effectively protected brill
Bar screw thread.
The utility model is not limited solely to above-described embodiment.
Claims (2)
1. a kind of anti-well borer drill rod check valve pipe nipple, it is characterized in that, including upper pipe nipple, valve seat, top, upper sliding sleeve, downslide
Set, bearing pin, check valve pipe nipple, described upper pipe nipple is fixedly connected with check valve pipe nipple by screw thread and jackscrew pushes down valve seat, institute
The bearing pin stated is sequentially provided with top, upper sliding sleeve, spring and low sleeve from top to bottom, described top cross section is bullet, pin
The upper end of axle is additionally provided with fixing nut, and described valve seat is located at the upper end of check valve pipe nipple inner chamber, and the inwall of valve seat is provided with and top
The taper surface that head is engaged.
2. a kind of anti-well borer drill rod check valve pipe nipple according to claim 1, it is characterized in that, described upper sliding sleeve and
Sealing ring is provided between top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621496192.0U CN206346716U (en) | 2016-12-30 | 2016-12-30 | A kind of anti-well borer drill rod check valve pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621496192.0U CN206346716U (en) | 2016-12-30 | 2016-12-30 | A kind of anti-well borer drill rod check valve pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346716U true CN206346716U (en) | 2017-07-21 |
Family
ID=59323273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621496192.0U Active CN206346716U (en) | 2016-12-30 | 2016-12-30 | A kind of anti-well borer drill rod check valve pipe nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736719A (en) * | 2019-03-01 | 2019-05-10 | 冀凯河北机电科技有限公司 | A self-sealing multi-purpose water drill pipe |
| CN111287673A (en) * | 2020-03-13 | 2020-06-16 | 北京中煤矿山工程有限公司 | Raise boring machine guide hole nipple joint with mud return-proof device |
-
2016
- 2016-12-30 CN CN201621496192.0U patent/CN206346716U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736719A (en) * | 2019-03-01 | 2019-05-10 | 冀凯河北机电科技有限公司 | A self-sealing multi-purpose water drill pipe |
| CN111287673A (en) * | 2020-03-13 | 2020-06-16 | 北京中煤矿山工程有限公司 | Raise boring machine guide hole nipple joint with mud return-proof device |
| CN111287673B (en) * | 2020-03-13 | 2024-10-01 | 北京中煤矿山工程有限公司 | Reverse well drilling machine guide hole nipple joint with mud return preventing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A one-way valve short joint for the drill pipe of a reverse drilling rig Effective date of registration: 20230822 Granted publication date: 20170721 Pledgee: Dongguang Rural Credit Union Co.,Ltd. Pledgor: CANGZHOU HAIYUE MINING ELECTRICAL AND MECHANICAL EQUIPMENT CO.,LTD. Registration number: Y2023980053210 |