CN203669759U - Drill with drill valve - Google Patents
Drill with drill valve Download PDFInfo
- Publication number
- CN203669759U CN203669759U CN201320720890.4U CN201320720890U CN203669759U CN 203669759 U CN203669759 U CN 203669759U CN 201320720890 U CN201320720890 U CN 201320720890U CN 203669759 U CN203669759 U CN 203669759U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drill
- valve
- bit valve
- limited block
- 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 drill with a drill valve. The drill comprises a drill body and the drill valve arranged on the lower portion of the drill body. The drill valve is hinged to the drill body in an up and down turnover mode to open or close a discharging outlet formed in the drill body correspondingly, and the drill valve turns up to close the discharging outlet and turns down to open the discharging outlet. The drill further comprises a limit block which comprises a blocking portion, and the blocking portion is located on the downward turnover stroke of the drill valve so as to block the drill valve and enable the drill valve to maintain the state of obliquely drooping. Under the blocking effect of the limit block, the drill valve in an open state maintains the oblique drooping state all the time, an included angle is formed between the obliquely drooping drill valve and the vertical direction, so that the drill valve automatically folds taking advantages of earth blocking when the drill is used, and does not need to be folded through manpower before the drill is used, and therefore construction speed and safety of a drilling machine are improved.
Description
Technical field
The utility model relates to for the drill bit with drill bit valve.
Background technology
When long-spiral drilling machine in piling machinery is carried on need to be after punching by concrete mud in the drill bit valve injection hole of drill bit lower end, the structure of existing this type of drill bit is as disclosed a kind of drill bit in ZL012114766 Chinese patent manual, on the inclined-plane of its both sides, drill bit lower end, be hinged with respectively drill bit valve, existing this type of drill bit valve in use, to open by injecting under the self gravitation of concrete grout and the pressure-acting of concrete pump, as shown in Figure 1, two drill bit valve 11 after opening vertically hang on the both sides of centering point of a knife 12, need to just can close up drill bit valve upper with artificial help while once punching like this, this has not only affected speed of application, and in the time of artificial help, bring unsafe factor, because likely surprisingly swinging, valve injures constructor in the time being shaken.
Utility model content
The drill bit with drill bit valve that when the purpose of this utility model is to provide a kind of lower boring, drill bit valve can close up automatically.
The technical solution of the utility model is: a kind of drill bit with drill bit valve, comprise the drill bit valve that drill body and its underpart arrange, it is hinged with discharge gate set on corresponding switching drill body with drill body that described drill bit valve spins upside down, this drill bit also comprises limited block, and described limited block has and is positioned at drill bit valve and overturns downwards on stroke to stop drill bit valve and to keep the stop section that tilts to hang down.
Described drill body lower end convexes with centering point of a knife, and described limited block is arranged at wherein at least one of centering point of a knife, drill body, drill bit valve.
Described drill bit valve has two, and each drill bit valve is articulated with respectively the both sides on drill body centering point of a knife top.
Described limited block is that bottom is connected and tip wedge outwardly with centering point of a knife, and the fast tip of wedge shape forms the stop section coordinating with drill bit valve.
Described drill bit also comprises the elastic component that drill bit valve is applied to the active force that downward upset opens.
Described elastic component is the torsion spring of being located at the hinged place of drill bit valve.
In drill bit of the present utility model owing to being provided with limited block, under the block effect of this limited block, the drill bit valve of open mode maintains sagging state always, tilt sagging drill bit valve owing to there is angle with vertical direction, and in lower brill, drill bit valve is stopped by soil and takes advantage of a situation and automatically close up like this.Because drill bit valve can close up automatically, so just do not need before lower brill, to rely on artificial help that drill bit valve is closed up at every turn, thus the speed of application and the safety that have improved rig.
Further, owing to being provided with the elastic component that drill bit valve is applied downward upset and opened active force, this elastic component makes while boring drill bit valve more easily open and does not have the unexpected hidden danger of opening automatically remaining on open mode at ordinary times carrying.
Brief description of the drawings
Fig. 1 is the structural representation of existing drill bit;
Fig. 2 is the structural representation of the utility model embodiment.
Detailed description of the invention
As shown in Figure 2, a kind of embodiment of drill bit of the present utility model, comprise be arranged with from top to bottom blade 6, hollow drill bit body, the upper end of drill body is provided with quick union 7, the drill body under blade 6 be provided with bore tooth 5.Drill body lower end convexes with centering point of a knife 4, on drill body, be respectively hinged with a drill bit valve 2 in the both sides on centering point of a knife 4 tops, this drill bit valve 2 is that spin upside down hinged with the discharge gate on corresponding switching drill body with drill body, and the concrete grout of carrying downwards in hollow drill bit body or other slurries, liquid are as water discharge gate discharge thus.On drill bit valve 2, turn over and close discharge gate, drill bit valve turns over for 2 times and opens discharge gate.Centering point of a knife 4 is respectively fixed with a limited block 3 on the position relative with each drill bit valve 2, and limited block 3 has and stops that drill bit valve 2 continues stop section sagging and that keep inclination to hang down.This limited block 3 is that bottom is connected and tip wedge outwardly with centering point of a knife 4, and the fast tip of wedge shape forms the stop section coordinating with drill bit valve 2.The hinged place of drill bit valve 2 is provided with the torsion spring 1 that drill bit valve is applied downward upset and opened active force in addition.
Above-described embodiment of the present utility model, in construction, more easily opens and does not exist automatically remaining on open mode at ordinary times the unexpected hidden danger of opening while boring carrying due to the active force of torsion spring 1.The block effect of limited block 3 maintains the drill bit valve 2 of open mode sagging state always, tilt sagging drill bit valve 2 owing to having angle with vertical direction, in lower brill, drill bit valve is stopped by soil and takes advantage of a situation and automatically close up like this, thereby has improved speed of application and the safety of rig.
In other embodiment of the present utility model, limited block is not limited to be fixed on centering point of a knife 4, limited block also can be arranged on drill body and be blocked on the only way which must be passed of the downward upset stroke of drill bit valve 2, limited block 3 also can adopt other shapes, as projection, hemisphere etc., and limited block can be also fixed on drill bit valve 2 and be arranged at drill bit valve 2 and feel relieved between point of a knife 4.
In other embodiment of the present utility model, torsion spring can be also drill bit valve 2 to be applied to other elastomeric elements of the elastic acting force of downward upset, as is connected to extension spring or stage clip on drill bit valve 2.In addition, the quantity of drill bit valve can be less than or be not limited to two more than two.
Claims (6)
1. the drill bit with drill bit valve, comprise the drill bit valve that drill body and its underpart arrange, it is hinged with discharge gate set on corresponding switching drill body with drill body that described drill bit valve spins upside down, it is characterized in that, this drill bit also comprises limited block, and described limited block has and is positioned at drill bit valve and overturns downwards on stroke to stop drill bit valve and to keep the stop section that tilts to hang down.
2. the drill bit with drill bit valve according to claim 1, is characterized in that: described drill body lower end convexes with centering point of a knife, and described limited block is arranged at wherein at least one of centering point of a knife, drill body, drill bit valve.
3. the drill bit with drill bit valve according to claim 2, is characterized in that: described drill bit valve has two, and each drill bit valve is articulated with respectively the both sides on drill body centering point of a knife top.
4. the drill bit with drill bit valve according to claim 2, is characterized in that: described limited block is that bottom is connected and tip wedge outwardly with centering point of a knife, and the fast tip of wedge shape forms the stop section coordinating with drill bit valve.
5. according to the drill bit with drill bit valve described in any one in claim 1-4, it is characterized in that: described drill bit also comprises the elastic component that drill bit valve is applied to the active force that downward upset opens.
6. the drill bit with drill bit valve according to claim 5, is characterized in that: described elastic component is the torsion spring of being located at the hinged place of drill bit valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720890.4U CN203669759U (en) | 2013-11-15 | 2013-11-15 | Drill with drill valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720890.4U CN203669759U (en) | 2013-11-15 | 2013-11-15 | Drill with drill valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669759U true CN203669759U (en) | 2014-06-25 |
Family
ID=50966071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320720890.4U Expired - Fee Related CN203669759U (en) | 2013-11-15 | 2013-11-15 | Drill with drill valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510845A (en) * | 2018-03-17 | 2018-09-07 | 长江大学 | A kind of geologic sedimentation mutually learns to use auxiliary tool |
| CN110318679A (en) * | 2018-10-16 | 2019-10-11 | 海南卓典高科技开发有限公司 | Drill bit and drilling tool |
-
2013
- 2013-11-15 CN CN201320720890.4U patent/CN203669759U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510845A (en) * | 2018-03-17 | 2018-09-07 | 长江大学 | A kind of geologic sedimentation mutually learns to use auxiliary tool |
| CN110318679A (en) * | 2018-10-16 | 2019-10-11 | 海南卓典高科技开发有限公司 | Drill bit and drilling tool |
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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: 20140625 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |