CN201102087Y - Centring chuck for armor plate auger - Google Patents
Centring chuck for armor plate auger Download PDFInfo
- Publication number
- CN201102087Y CN201102087Y CNU2007201916152U CN200720191615U CN201102087Y CN 201102087 Y CN201102087 Y CN 201102087Y CN U2007201916152 U CNU2007201916152 U CN U2007201916152U CN 200720191615 U CN200720191615 U CN 200720191615U CN 201102087 Y CN201102087 Y CN 201102087Y
- Authority
- CN
- China
- Prior art keywords
- thimble
- spring
- cavity volume
- steel plate
- 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 - Lifetime
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Abstract
The utility model discloses a centering chuck for a steel plate drill, which comprises a body, a thimble, a spring, a holding screw, a check block and a steel ball, wherein, the thimble is a twist drill, the shank of which has a plat and is arranged in a thimble cavity in the body, the spring is positioned in the thimble cavity, the inner end of the spring pushes the thimble via the steel ball, the outer end of the spring pushes the holding screw arranged in the lateral port of the cavity, a check block cavity is arranged from top to down on the body and communicated with the thimble cavity, the check block is arranged on the bottom of the check block cavity and pushes the flat of the thimble shank, and the upper end of the check block is provided with a spring, the upper part of which is provided with the holding screw. Particularly applicable to pistol drills, the centering chuck has the advantages that centering is quick and reliable, and while drilling, the steel plate drill does not skid.
Description
Technical field
The utility model relates to a kind of special carrier of clamping Steel Plate Guide Drill, i.e. Steel Plate Guide Drill centering chuck.
Background technology
The centering chuck of existing clamping Steel Plate Guide Drill has two kinds: first kind is thimble type chuck, this chuck ejects on workpiece by thimble top mainly that a pitting feels relieved, if chuck centering is unstable, be easy to skid (can only play the effect of liftout) when causing the Steel Plate Guide Drill drilling, use on electric tool unfeasible at hand.Second kind is the drill bit type chuck, this chuck gets out on workpiece by thimble (fluted drill) mainly that an internal point feels relieved, chuck centering is reliable, but could drilling process after must drilling through internal point by thimble (fluted drill) earlier during the Steel Plate Guide Drill drilling, centering speed is slow, cause the Steel Plate Guide Drill working (machining) efficiency not high, and blank easily is stuck on the thimble (fluted drill).
Summary of the invention
Technical problem to be solved in the utility model is to propose quick, the reliable Steel Plate Guide Drill of a kind of centering centering chuck.
For solving the problems of the technologies described above, the utility model Steel Plate Guide Drill comprises body with the centering chuck, thimble, spring, holding screw, block and steel ball, described thimble is a fluted drill, it is one flat that its shank has, it is located in the thimble cavity volume of offering in the described body, described spring places in the described thimble cavity volume, its medial extremity withstands thimble by described steel ball, its outboard end props up the described holding screw of being located at described cavity volume outside port, from top to bottom being provided with the block cavity volume on the described body is communicated with described thimble cavity volume, described block is located at the bottom of described block cavity volume and is propped up the flat of described thimble shank, and its upper end is provided with spring, and the top of described spring is provided with marks closely screw.
The utility model is owing to adopted above-mentioned technical pattern, during the beginning drilling, the Steel Plate Guide Drill rotation, thimble rotates with Steel Plate Guide Drill under the induced effect of block, and thimble pierces workpiece earlier, in the thimble cavity volume under the effect of set spring, thimble contracts after piercing the workpiece certain depth backward, block is thrown off, and the steel ball in the middle of thimble and the spring also can't pass to the rotary power of chuck thimble, cause thimble to lose driven rotary power, begun the centering effect and stop drilling.This moment, Steel Plate Guide Drill then began to carry out drilling, and after Steel Plate Guide Drill drilled through workpiece, thimble ejected blank under the effect of spring, and returned to original position.Therefore, utilize the utility model chuck, the internal point that thimble only need get out certain depth gets final product, centering fast, reliably, and be difficult for skidding during the Steel Plate Guide Drill drilling, in all case (as bore at drilling machine, magnetic force, power drill is first-class) all can use, the scope of application is wide, uses this chuck effect particularly evident on power drill.
Description of drawings
Fig. 1 is the structural representation of the utility model Steel Plate Guide Drill with the centering chuck;
Fig. 2 is that A-A among Fig. 1 is to cutaway view;
Fig. 3 is the intermediateness schematic diagram of the utility model Steel Plate Guide Drill when feeling relieved chuck work.
The specific embodiment
As shown in Figure 1, Steel Plate Guide Drill comprises body 1, thimble 2, stopper spring 3, stopper spring holding screw 4, block 5, steel ball 6, thimble spring 7 and thimble spring holding screw 8 with the centering chuck, thimble 2 is a fluted drill, its shank has one flat (please consulting Fig. 2 simultaneously), and it is located in the thimble cavity volume of offering in the body 1.Thimble spring 7 places in the thimble cavity volume, and its medial extremity withstands thimble 2 by steel ball 6, and its outboard end props up the holding screw 8 of being located at cavity volume outside port.From top to bottom being provided with the block cavity volume on the body 1 is communicated with the thimble cavity volume, block 5 is located at the bottom of this block cavity volume and is propped up flat (please the consulting Fig. 2 simultaneously) of thimble 2 shanks, the upper end of block 5 is provided with stopper spring 3, and the block cavity volume is interior, the top of stopper spring 3 is provided with and marks closely screw 4.During work, with Steel Plate Guide Drill 9 rotations, thimble 2 pierces workpiece earlier to thimble 2 under the induced effect of block 5.As shown in Figure 3, under the effect of thimble spring 7, thimble 2 contracts after piercing the workpiece certain depth backward, block 5 is thrown off, and the steel ball 6 in the middle of thimble 2 and the spring 7 also can't pass to the rotary power of chuck thimble 2, cause thimble 2 to lose driven rotary power, begun the centering effect and stop drilling.After Steel Plate Guide Drill drilled through workpiece, thimble 2 ejected blank under the effect of spring thimble 7, and returned to original position, i.e. position shown in Fig. 1.
Claims (1)
1, Steel Plate Guide Drill centering chuck, comprise body and thimble, described thimble is a fluted drill, it is characterized in that, it also comprises spring, holding screw, block and steel ball, it is one flat that the shank of described thimble has, it is located in the thimble cavity volume of offering in the described body, described spring places in the described thimble cavity volume, its medial extremity withstands thimble by described steel ball, its outboard end props up the described holding screw of being located at described cavity volume outside port, from top to bottom being provided with the block cavity volume on the described body is communicated with described thimble cavity volume, described block is located at the bottom of described block cavity volume and is propped up the flat of described thimble shank, and its upper end is provided with spring, and the top of described spring is provided with marks closely screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916152U CN201102087Y (en) | 2007-11-12 | 2007-11-12 | Centring chuck for armor plate auger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916152U CN201102087Y (en) | 2007-11-12 | 2007-11-12 | Centring chuck for armor plate auger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201102087Y true CN201102087Y (en) | 2008-08-20 |
Family
ID=39949105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201916152U Expired - Lifetime CN201102087Y (en) | 2007-11-12 | 2007-11-12 | Centring chuck for armor plate auger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201102087Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975050A (en) * | 2019-05-24 | 2020-11-24 | 江苏叁陆零工具有限公司 | Novel high-speed steel twist drill |
-
2007
- 2007-11-12 CN CNU2007201916152U patent/CN201102087Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975050A (en) * | 2019-05-24 | 2020-11-24 | 江苏叁陆零工具有限公司 | Novel high-speed steel twist drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: EST Tools Co., Ltd. Assignor: Jiaxing Ever Sharp Tools Co., Ltd. Contract record no.: 2011330000694 Denomination of utility model: Centring chuck for armor plate auger Granted publication date: 20080820 License type: Exclusive License Record date: 20110610 |
|
| ASS | Succession or assignment of patent right |
Owner name: EVER SHARP TOOLS CO., LTD. Free format text: FORMER OWNER: HENGFENG TOOL CO LTD, JIAXING Effective date: 20110906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110906 Address after: 314300 No. 239 Xinqiao North Road, Wuyuan street, Haiyan County, Zhejiang Patentee after: EST Tools Co., Ltd. Address before: 314300 No. 239 Xinqiao North Road, Wuyuan Town, Haiyan County, Zhejiang Province Patentee before: Jiaxing Ever Sharp Tools Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080820 |