CN207131337U - A kind of anti-backwater drill bit device - Google Patents
A kind of anti-backwater drill bit device Download PDFInfo
- Publication number
- CN207131337U CN207131337U CN201720943278.1U CN201720943278U CN207131337U CN 207131337 U CN207131337 U CN 207131337U CN 201720943278 U CN201720943278 U CN 201720943278U CN 207131337 U CN207131337 U CN 207131337U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- lever
- backwater
- drill body
- drill
- 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
Links
Abstract
A kind of anti-backwater drill bit device, including：Drill bit, drill body, guard ring, lever and floater shot, the drill body is hollow-core construction, the drill body lower end is fixedly connected with drill bit, and drill body upper end inwall is provided with joint silk, is matched for same drilling rod, the guard ring is arranged on the edge of drill bit, the lever is arranged in drill body, and the floater shot is set in the cavity of drill body, and between lever and joint silk, block edge is provided with below joint silk, water stream channel is formed among block edge；During normal drilling well, because water flows from top to bottom, floater shot is located at lever；When needing to increase drilling rod, it is necessary to which the drilling rod of the top is fallen with rig down, floater shot is driven now because inner pressure inside pipe is released, while the water in drilling rod up sprays, and water stream channel is blocked in motion upwards so that drilling rod topmost sprays without muddy water.
Description
Technical field
It the utility model is related to bit technique field, and in particular to a kind of anti-backwater drill bit device.
Background technology
Prior art drilling bit, it is necessary to introduce flowing water by drilling rod to wash away the broken of shaft bottom in drilling process
Rock, ensure being smoothed out for drilling operation.But, it is necessary to increase drilling rod, in drilling rod and rig down during deep-well is bored
During due to borehole pressure it is very big, the muddy water in drilling rod can spray from drilling rod upper end, influence operation.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of structure design simple, has compared with high practicability
Anti- backwater drill bit device.
Technical problem to be solved in the utility model is realized using following technical scheme：
A kind of anti-backwater drill bit device, including：Drill bit (the brill wing), drill body, guard ring, lever and floater shot, the drill body are
Hollow-core construction, the drill body lower end are fixedly connected with drill bit, and drill body upper end inwall is provided with joint silk, is matched for same drilling rod, described
Guard ring is arranged on the edge of drill bit, and the lever is arranged in drill body, and the floater shot is set in the cavity of drill body, and is located at shelves
Between bar and joint silk, block edge is provided with below joint silk, water stream channel is formed among block edge；During normal drilling well, by
Flowed from top to bottom in water, floater shot is located at lever；When needing to increase drilling rod, it is necessary to which the drilling rod of the top is torn open with rig
Lay down, now because inner pressure inside pipe is released, while the water in drilling rod up sprays drive floater shot move upwards by
Water stream channel is blocked so that drilling rod topmost sprays without muddy water.
Preferably, the lever is connected in drill body using dismountable mode, such as grafting, is spirally connected, by lever
Dismounting can change floater shot.
Preferably, the block edge of the joint silk bottom is designed as arcuate structure so that floater shot can be good at current
Passage seals up.
Preferably, described floater shot is made up of nonmetallic materials, such as plastics, rubber, timber.
Preferably, the lever is arranged at intervals, and gap is left between lever and lever, it is ensured that water being capable of proper flow.
Preferably, the drill bit is three wings or four wing bit.
Preferably, the floater shot is hollow metal sphere.
The beneficial effects of the utility model are：The utility model is simple in construction, novel in design, is simply changed by being done to drill bit
Enter, increase by a ball float, solve the problems, such as drilling rod backwater, improve the efficiency of drilling rod assembling, it is ensured that safety in production.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model structure top view.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of anti-backwater drill bit device, including：Drill bit 3, drill body 5, guard ring 4, lever 6 and floater shot
1, drill body 5 is hollow-core construction, and the lower end of drill body 5 is fixedly connected with drill bit 3, and the upper end inwall of drill body 5 is provided with joint silk 2, for same
Drilling rod is matched, and guard ring 4 is arranged on the edge of drill bit 3, and lever 6 is arranged in drill body 5, and floater shot 1 is set in the cavity of drill body 5,
And between lever 6 and joint silk 2, the lower section of joint silk 2 is provided with block edge, water stream channel is formed among block edge；Shelves
Bar 6 is connected in drill body 5 using dismountable mode, is such as spirally connected, floater shot 1 can be changed by the dismounting to lever 6.Lever
6 are arranged at intervals, and leave gap between lever 6 and lever 6, it is ensured that water being capable of proper flow.The block edge of the bottom of joint silk 2 is designed as
Arcuate structure so that floater shot 1 can be good at sealing up water stream channel, and floater shot 1 is made up of nonmetallic materials, such as mould
Material.
During normal drilling well, because water flows from top to bottom, floater shot 1 is located at lever 6；When needing to increase drilling rod, need
The drilling rod of the top is fallen with rig down, now because inner pressure inside pipe is released, what the water in drilling rod up sprayed
Driving floater shot 1 simultaneously, water stream channel is blocked in motion upwards so that drilling rod topmost sprays without muddy water.
Embodiment 2
As shown in Figure 1 and Figure 2, a kind of anti-backwater drill bit device, including：Drill bit 3, drill body 5, guard ring 4, lever 6 and floater shot
1, drill body 5 is hollow-core construction, and the lower end of drill body 5 is fixedly connected with drill bit 3, and the upper end inwall of drill body 5 is provided with joint silk 2, for same
Drilling rod is matched, and guard ring 4 is arranged on the edge of drill bit 3, and lever 6 is arranged in drill body 5, and floater shot 1 is set in the cavity of drill body 5,
And between lever 6 and joint silk 2, the lower section of joint silk 2 is provided with block edge, water stream channel is formed among block edge；Shelves
Bar 6 is connected in drill body 5 using dismountable mode, and such as grafting, floater shot 1 can be changed by the dismounting to lever 6.Lever
6 are arranged at intervals, and leave gap between lever 6 and lever 6, it is ensured that water being capable of proper flow.The block edge of the bottom of joint silk 2 is designed as
Arcuate structure so that floater shot 1 can be good at sealing up water stream channel, and floater shot 1 is made up of nonmetallic materials, such as wood
Ball.
During normal drilling well, because water flows from top to bottom, floater shot 1 is located at lever 6；When needing to increase drilling rod, need
The drilling rod of the top is fallen with rig down, now because inner pressure inside pipe is released, what the water in drilling rod up sprayed
Driving floater shot 1 simultaneously, water stream channel is blocked in motion upwards so that drilling rod topmost sprays without muddy water.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
- A kind of 1. anti-backwater drill bit device, it is characterised in that including：Drill bit, drill body, guard ring, lever and floater shot, the drill body For hollow-core construction, the drill body lower end is fixedly connected with drill bit, and drill body upper end inwall is provided with joint silk, is matched for same drilling rod, institute The edge that guard ring is arranged on drill bit is stated, the lever is arranged in drill body, and the floater shot is set in the cavity of drill body, and is located at Between lever and joint silk, block edge is provided with below joint silk, water stream channel is formed among block edge.
- A kind of 2. anti-backwater drill bit device according to claim 1, it is characterised in that：The lever is using dismountable side Formula is connected in drill body.
- A kind of 3. anti-backwater drill bit device according to claim 2, it is characterised in that：The lever uses grafting, is spirally connected Mode be connected with drill body.
- A kind of 4. anti-backwater drill bit device according to claim 1, it is characterised in that：The block edge of the joint silk bottom is set It is calculated as arcuate structure.
- A kind of 5. anti-backwater drill bit device according to claim 1, it is characterised in that：Described floater shot is by non-metallic material Material is made.
- A kind of 6. anti-backwater drill bit device according to claim 5, it is characterised in that：Described floater shot be baton round, Ball or timber ball.
- A kind of 7. anti-backwater drill bit device according to claim 1, it is characterised in that：The lever is arranged at intervals, lever Gap is left between lever.
- A kind of 8. anti-backwater drill bit device according to claim 1, it is characterised in that：The drill bit is that three wings or four wings bore Head.
- A kind of 9. anti-backwater drill bit device according to claim 1, it is characterised in that：The floater shot is hollow metal Ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943278.1U CN207131337U (en) | 2017-07-31 | 2017-07-31 | A kind of anti-backwater drill bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943278.1U CN207131337U (en) | 2017-07-31 | 2017-07-31 | A kind of anti-backwater drill bit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131337U true CN207131337U (en) | 2018-03-23 |
Family
ID=61640525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720943278.1U Expired - Fee Related CN207131337U (en) | 2017-07-31 | 2017-07-31 | A kind of anti-backwater drill bit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131337U (en) |
-
2017
- 2017-07-31 CN CN201720943278.1U patent/CN207131337U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20180731 |