CN2605091Y - Improved closefisted drill chuck jacket - Google Patents
Improved closefisted drill chuck jacket Download PDFInfo
- Publication number
- CN2605091Y CN2605091Y CN 03229366 CN03229366U CN2605091Y CN 2605091 Y CN2605091 Y CN 2605091Y CN 03229366 CN03229366 CN 03229366 CN 03229366 U CN03229366 U CN 03229366U CN 2605091 Y CN2605091 Y CN 2605091Y
- Authority
- CN
- China
- Prior art keywords
- overcoat
- coat
- drill body
- 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 relates to an improved-type and hand tightened-form drill chuck coat, comprising a drill body, a chuck claw arranged on the drill body, a nut, a end thrusting bearing, a thackeray washer, a locating sleeve, and a coat arranged outside of the drill body. The coat is composed of an upper coat and a lower coat, the upper coat provided with a heave jogged with a fine tooth groove arranged at an upper circle of the drill body at upper end of the upper coat. The utility model, depending on the matching of the upper coat and the lower coat and the convergent-divergent and interference and pressing-in of materials, can rotate freely without be plugged out, which improves sealing performance in terms of the structure The utility model is provided with a wider rectangle groove at the outer surface of the coat, extending to the front end from the back end, which makes the coat easy to be held with a comfortable hand feeling.
Description
Technical field
The utility model relates to drilling attachment, particularly a kind of modified manually fastened drill chuck overcoat.
Background technology
Being connected between the existing manually fastened drill chuck product, its overcoat and drill body is insecure, and in use overcoat is easy to come off, and sealing property is also bad.
Summary of the invention
Task of the present utility model provides a kind of modified manually fastened drill chuck overcoat, is connected problem insecure and that come off easily between the overcoat that it has solved existing product and the drill body.
The technical solution of the utility model is as follows:
A kind of modified manually fastened drill chuck overcoat, it comprises drill body, be installed in jaw, nut, thrust bearing, back-up ring and positioning sleeve on the drill body, and be installed in the outer overcoat of drill body, described overcoat is made up of last overcoat and following overcoat, the upper end of last overcoat be provided with drill body top circumference on the projection of set serration groove tabling, fixedly connected with the drill body bottom in the lower end of following overcoat, last overcoat lower end and joining by buckle between the outer set upper side down.
The cooperating of overcoat and following overcoat on the utility model nationality, can freely rotate after compressing into by the convergent-divergent interference of material, and can not extract, structurally improved sealing property.Overcoat outer surface of the present utility model all is provided with the rectangular channel of broad, extends to front end from the rear end always, makes the overcoat curable grip good, comfortable feel.
Description of drawings
Accompanying drawing is the structural representation of a kind of modified manually fastened drill chuck overcoat of the present utility model.
The specific embodiment
Referring to accompanying drawing, a kind of modified manually fastened drill chuck overcoat of the present utility model is installed on the drill body 1, and jaw 2, nut 3, thrust bearing 4, back-up ring 5 and positioning sleeve 6 also are housed on drill body 1.
Overcoat is installed outside drill body 1, and overcoat is made up of last overcoat 7 and following overcoat 8.The upper end of last overcoat 7 is provided with a few projectioies 71, set a few 11 chimeric connections of serrate profile groove on this projection 71 and the drill body 1 top circumference, cooperates closely.Fixedly connected with drill body 1 bottom in the lower end of following overcoat 8.Join by buckle (shown in drawing a circle in the accompanying drawing) between last overcoat 7 lower ends and following overcoat 8 upper ends.
Outer surface at last overcoat 7 and following overcoat 8 is respectively equipped with the rectangle sipes, comfortable feel when gripping with hand.
Nut 3 internal threads in the utility model and the engagement of jaw 2 external screw threads, jaw 2 is installed on the drill body 1 and slides in three uniform inclined holes, back-up ring 5 is pressed on the drill body 1, in the rear end of nut 3 thrust bearing 4 is set, and positioning sleeve 6 is positioned at nut 3 on the thrust bearing 4 and the energy left rotation and right rotation.On overcoat 8 and the nut 3 the castellated groove of rectangle is being set down, in order to transmit moment of torsion.
The utility model rotates down that overcoat 8 drives nuts 3 rotations in use, make be installed in jaw 2 three-jaws on the drill body 1 along the longitudinal axis with advancing with moving back, realize clamping or unclamping.
Claims (2)
1. modified manually fastened drill chuck overcoat, it comprises drill body, be installed in jaw, nut, thrust bearing, back-up ring and positioning sleeve on the drill body, and be installed in the outer overcoat of drill body, it is characterized in that described overcoat is made up of last overcoat and following overcoat, the upper end of last overcoat be provided with drill body top circumference on the projection of set serration groove tabling, fixedlying connected with the drill body bottom in the lower end of following overcoat, joins by buckle between last overcoat lower end and the following outer set upper side.
2. modified manually fastened drill chuck overcoat according to claim 1 is characterized in that, the described outer surface of going up overcoat and following overcoat is respectively equipped with the rectangle sipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229366 CN2605091Y (en) | 2003-03-12 | 2003-03-12 | Improved closefisted drill chuck jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229366 CN2605091Y (en) | 2003-03-12 | 2003-03-12 | Improved closefisted drill chuck jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2605091Y true CN2605091Y (en) | 2004-03-03 |
Family
ID=34164844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229366 Expired - Fee Related CN2605091Y (en) | 2003-03-12 | 2003-03-12 | Improved closefisted drill chuck jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2605091Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493787C (en) * | 2007-10-16 | 2009-06-03 | 浙江大学 | Hydraulic expanding cover locking drill clamping head |
-
2003
- 2003-03-12 CN CN 03229366 patent/CN2605091Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493787C (en) * | 2007-10-16 | 2009-06-03 | 浙江大学 | Hydraulic expanding cover locking drill clamping head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |