CN204640363U - Manual drilling instrument - Google Patents
Manual drilling instrument Download PDFInfo
- Publication number
- CN204640363U CN204640363U CN201520270688.5U CN201520270688U CN204640363U CN 204640363 U CN204640363 U CN 204640363U CN 201520270688 U CN201520270688 U CN 201520270688U CN 204640363 U CN204640363 U CN 204640363U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screwed hole
- cylindrical spring
- utility
- model
- 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
The utility model discloses a kind of Manual drilling instrument, comprise body, body external cylindrical surface is provided with cross knurled, be provided with cylindrical spring in body endoporus, body upper end is fixed with pipe plug, and body lower end is provided with screwed hole, screwed hole internal thread is connected with screw rod, described cylindrical spring upper end and pipe plug offset, and cylindrical spring lower end offsets with the screw rod upper end of stretching out screwed hole, and screw rod lower end is fixed with the three-jaw chuck for clamping drill bit.
Description
Technical field
The utility model relates to a kind of Manual drilling instrument.
Background technology
Twist with the fingers to be drilled on walnut with conventional hand and hole, efficiency comparison is low, and general electric boring tool is heavier, walnut bores aperture cumbersome.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, provides a kind of lightweight, Manual drilling instrument that efficiency is high.
The utility model solves the technical scheme that its technical problem adopts: a kind of Manual drilling instrument, comprise body, body external cylindrical surface is provided with cross knurled, be provided with cylindrical spring in body endoporus, body upper end is fixed with pipe plug, and body lower end is provided with screwed hole, screwed hole internal thread is connected with screw rod, described cylindrical spring upper end and pipe plug offset, and cylindrical spring lower end offsets with the screw rod upper end of stretching out screwed hole, and screw rod lower end is fixed with the three-jaw chuck for clamping drill bit.
The beneficial effects of the utility model are: the utility model is lightweight, drilling efficiency is high.During boring, move up and down body, the drill bit of clamping on the three-jaw chuck of screw rod lower end just can be driven to punch on walnut.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
In figure: 1. body; 2. cylindrical spring; 3. pipe plug; 4. screw rod; 5. three-jaw chuck.
Detailed description of the invention
By reference to the accompanying drawings the utility model is further described now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of Manual drilling instrument as shown in Figure 1, comprise body 1, body 1 external cylindrical surface is provided with cross knurled, is provided with cylindrical spring 2 in body 1 endoporus, and body 1 upper end is fixed with pipe plug 3, body 1 lower end is provided with screwed hole, screwed hole internal thread is connected with screw rod 4, and screw rod 4 is provided with steep-lead thread, and described cylindrical spring 2 upper end and pipe plug 3 offset, cylindrical spring 2 lower end offsets with screw rod 4 upper end of stretching out screwed hole, and screw rod 4 lower end is fixed with the three-jaw chuck 5 for clamping drill bit.
Above-mentioned embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (1)
1. a Manual drilling instrument, it is characterized in that: comprise body, body external cylindrical surface is provided with cross knurled, be provided with cylindrical spring in body endoporus, body upper end is fixed with pipe plug, and body lower end is provided with screwed hole, screwed hole internal thread is connected with screw rod, described cylindrical spring upper end and pipe plug offset, and cylindrical spring lower end offsets with the screw rod upper end of stretching out screwed hole, and screw rod lower end is fixed with the three-jaw chuck for clamping drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270688.5U CN204640363U (en) | 2015-04-29 | 2015-04-29 | Manual drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270688.5U CN204640363U (en) | 2015-04-29 | 2015-04-29 | Manual drilling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204640363U true CN204640363U (en) | 2015-09-16 |
Family
ID=54093141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520270688.5U Expired - Fee Related CN204640363U (en) | 2015-04-29 | 2015-04-29 | Manual drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204640363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272688A (en) * | 2016-08-31 | 2017-01-04 | 刘惠强 | A kind of manual fluted drill |
-
2015
- 2015-04-29 CN CN201520270688.5U patent/CN204640363U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272688A (en) * | 2016-08-31 | 2017-01-04 | 刘惠强 | A kind of manual fluted drill |
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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: 20150916 Termination date: 20160429 |