CN2882857Y - Improved manually fastening drill-chuck - Google Patents
Improved manually fastening drill-chuck Download PDFInfo
- Publication number
- CN2882857Y CN2882857Y CN 200620102730 CN200620102730U CN2882857Y CN 2882857 Y CN2882857 Y CN 2882857Y CN 200620102730 CN200620102730 CN 200620102730 CN 200620102730 U CN200620102730 U CN 200620102730U CN 2882857 Y CN2882857 Y CN 2882857Y
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- China
- Prior art keywords
- cover
- sleeve
- main body
- precursor
- exposed
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- Expired - Fee Related
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Abstract
The utility model provides an improved hand drill chuck, which comprises a drill body, a chuck jaw, a nut element connected to the chuck jaw with a screw and a revolving sleeve that drives the nut element to rotate. The main body sleeve is segregated from and connected to the front body sleeve; the front body sleeve has a section of an exposed sleeve body; the exposed sleeve body is positioned at the front section of the main sleeve body; the exposed sleeve body of the front body sleeve can form a taper platform shape with big angle of tape. The utility model, reduces the difficulty for the manufacturing of the rotational sleeve on the one hand and, on the other hand, optimizes the selection of materials for the main body sleeve and the front body sleeve, improve the performance and quality of the drill clamping head, provides more choices for the design of the drill clamping head and satisfies the higher demands of clients.
Description
Technical field
The utility model relates to a kind of drill chuck, relates in particular to a kind of for example drill chuck on the drilling machine of machining equipment and electric tool that is installed in.
Background technology
In the prior art, hand fastening drill clutch generally comprises drill body, jaw, rotary sleeve and the nut piece that drives by rotary sleeve, three jaws are separately positioned in three inclined holes that are distributed on the drill body, adopt between nut piece and the jaw and be threaded, nut piece can be an independent nut or by nut and close-fitting the nut sleeve outside nut constitutes, rotary sleeve can directly drive the nut piece rotation, also can transmit torsion and drive the nut piece rotation by one or several parts, thereby drive the jaw motion by screw thread, clamp or the drilling tool that gets loose, the back cover also can be set at the rear of rotary sleeve in a lot of hand fastening drill clutch.Be provided with the connecting hole that cooperates with driving device in the rear end of drill body, therefore drill chuck obtains rotary power from driving device, by the drilling tool processing work of clamping.With regard to rotary sleeve, its middle part and the truncated cone body that the rear portion is roughly cylindrical or tapering is less, the drill chuck part that will be in the drill body side is trapped among wherein, rotary sleeve surface in this part is provided with some grooves, decorative pattern, inserts toward contact, make that to control and operate rotary sleeve more convenient laborsaving, and can carry out suitable sign.The front portion of rotary sleeve be tapering bigger the truncated cone body.Its main function of the different position of rotary sleeve is also not quite identical.During fabrication, the middle part of rotary sleeve, rear portion and anterior by integral type die casting or injection-compression molding.The anterior face of rotary sleeve drill chuck all adopts this form for a long time, make the design of drill chuck outward appearance be difficult to break through, can not satisfy the requirement that the client improves day by day, and, because the middle part and the rear inside wall shape of rotary sleeve are often very complicated, when the middle part of rotary sleeve and rear portion and rotary sleeve anterior integrally manufactured, can increase more manufacture difficulty.
Summary of the invention
Technical problem to be solved in the utility model provides the futuramic improved hand fastening drill clutch of a kind of rotary sleeve.For this reason, the utility model is by the following technical solutions: it comprises drill body, jaw, the nut piece that is threaded with jaw, drives the rotary sleeve that nut piece rotates, described main body cover also is connected with the split of precursor cover, described precursor cover has one section and is exposed to outer body, and this is exposed to the place ahead that outer body is in the main body cover.
The main body cover of the roughly cylindrical or truncated cone that tapering is less described in the utility model, be meant the truncated cone that shape is cylindrical or tapering is less of main body cover, the perhaps cylindrical substantially or less truncated cone of tapering, the shape that the perhaps cylindrical and less truncated cone of tapering combines.Part at the main body cover, such as front end or rear end, the a bit of bigger truncated cone inclined-plane of tapering that is can be arranged, but this is a bit of, and to account for the ratio of main body cover very little, make main body overlap the main body cover of still roughly cylindrical in general or the truncated cone that tapering is less, still groove, decorative pattern, inserts or sign can be set on the surface of main body cover.
Described precursor cover is exposed to outer body can be the bigger truncated cone of tapering.The precursor cover that is the bigger truncated cone of tapering described in the utility model is exposed to outer body, be meant that this section body can be the bigger truncated cone of tapering, also can be the shape that combines by the bigger truncated cone of tapering and the cylindrical shape that combines or by the truncated cone of different taperings or, but this section body still be the bigger truncated cone of tapering in general by the truncated cone and the cylindrical shape that combines of different taperings.Described tapering is meant that more greatly the tapering of taper ratio main body cover of this section body is big, and perhaps the tapering than the main body cover is big in general.Also groove, decorative pattern, inserts or sign can be set on the body outside the precursor cover is exposed to.
Owing to adopt the technical solution of the utility model, reduced the manufacture difficulty of rotary sleeve on the one hand, on the other hand, can optimize the material of main body cover and prerequisite cover is selected, improve the performance and the quality of drill chuck, and make the appearance design of drill chuck have more selection, satisfy the requirement that the client improves day by day.
Description of drawings
Fig. 1 partly cuts open schematic diagram for a kind of embodiment's of the utility model.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is the 3 dimensional drawing of precursor cover embodiment illustrated in fig. 1.
Fig. 4 is the 3 dimensional drawing of main body cover embodiment illustrated in fig. 1.
The specific embodiment
With reference to accompanying drawing.The utility model comprises drill body 1, jaw 4, the nut piece that is threaded with jaw, drives the rotary sleeve 2 that nut piece rotates, described rotary sleeve comprises the main body cover 20 and the precursor cover 50 of roughly cylindrical or the truncated cone that tapering is less, described main body cover also is connected with the split of precursor cover, described precursor cover has one section and is exposed to outer body 5, this is exposed to the place ahead that outer body is in the main body cover, below also promptly main body is overlapped in Fig. 1.
In the present embodiment, the body outside described precursor cover is exposed to is the bigger truncated cone of tapering.As shown in the figure, in the present embodiment, main body cover 20 is the less truncated cone of tapering, and body 5 is the big truncated cone of tapering of taper ratio main body cover 20, main body cover 20 with body 5 mutually joining place have a bit of surface to be the truncated cone inclined-plane 23 that matches with the tapering of body 5.The main body cover can adopt different materials and color with the precursor cover, makes that the outward appearance of drill chuck is more attractive.
Certainly, the precursor cover is exposed to the body that outer body also can be other geometry.
Body rear outside described precursor is enclosed within and is exposed to is provided with connector 53.Described connector is by playing connection and the positioning action that makes the precursor cover.Described connector can be provided with projection 52, main body cover inwall at rotary sleeve is provided with the groove 22 that cooperates with projection, it is upwards limited by the cooperation of described projection and recess sidewall that described precursor is enclosed within week, on axial direction forward, also be direction downward among Fig. 1, the lower end step surface 51 by projection obtains spacing with cooperating of the lower end wall 21 of groove.As shown in Figure 1, nut piece comprises nut 3 and nut sleeve 31, described precursor be enclosed within the rear end face of axial backward directions by connector and nut sleeve front end face cooperate limited.
Described precursor cover also can cooperate limited by the clamping of aforesaid projection and groove.
In a word, the connection and the location structure of prerequisite cover are not limited to above structure.Above syndeton is a preferred implementation wherein, and is not only simple in structure but also be convenient to the assembling of drill chuck.
Also be provided with groove 54 on the described connector, described nut 3 be provided with connector on the key 32 of groove fit, the disjunctor cover also can play the effect of transmitting torsion to nut like this.
The drill chuck that present embodiment provided is single cover drill chuck, and drawing reference numeral 8 is its bonnet.The collar that drawing reference numeral 7 is overlapped for the circumferential location main body that is located at the drill body middle part.Drawing reference numeral 6 is a ball.
Claims (7)
1, a kind of improved hand fastening drill clutch, comprise drill body, jaw, the nut piece that is threaded with jaw, drive the rotary sleeve that nut piece rotates, it is characterized in that described rotary sleeve comprises the main body cover and the precursor cover of roughly cylindrical or the truncated cone that tapering is less, described main body cover also is connected with the split of precursor cover, described precursor cover has one section and is exposed to outer body, and this is exposed to the place ahead that outer body is in the main body cover.
2, a kind of improved hand fastening drill clutch as claimed in claim 1 is characterized in that described precursor cover is exposed to outer body and is the bigger truncated cone of tapering.
3, a kind of improved hand fastening drill clutch as claimed in claim 1 or 2 is characterized in that the body rear that described precursor is enclosed within outside being exposed to is provided with connector.
4, a kind of improved hand fastening drill clutch as claimed in claim 3 is characterized in that described connector is connected with the main body cover of rotary sleeve.
5, a kind of improved hand fastening drill clutch as claimed in claim 4, it is characterized in that described connector is provided with projection, the main body cover inwall of rotary sleeve is provided with the groove that cooperates with projection, described precursor is enclosed within circumferential and axial forwards upwards limited by the cooperation of described projection and groove, and it is limited with cooperating of nut piece by connector that described precursor is enclosed within axial backward directions.
6, a kind of improved hand fastening drill clutch as claimed in claim 4 is characterized in that described connector is provided with projection, and the main body cover inwall of rotary sleeve is provided with the groove that cooperates with projection, and described precursor cover is limited by the cooperation of described projection and groove.
7, a kind of improved hand fastening drill clutch as claimed in claim 3 is characterized in that described connector is provided with groove, described nut piece be provided with connector on the key of groove fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102730 CN2882857Y (en) | 2006-04-17 | 2006-04-17 | Improved manually fastening drill-chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102730 CN2882857Y (en) | 2006-04-17 | 2006-04-17 | Improved manually fastening drill-chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2882857Y true CN2882857Y (en) | 2007-03-28 |
Family
ID=37955920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620102730 Expired - Fee Related CN2882857Y (en) | 2006-04-17 | 2006-04-17 | Improved manually fastening drill-chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2882857Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889433A (en) * | 2014-03-06 | 2015-09-09 | 罗姆股份有限公司 | Drill chuck |
-
2006
- 2006-04-17 CN CN 200620102730 patent/CN2882857Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889433A (en) * | 2014-03-06 | 2015-09-09 | 罗姆股份有限公司 | Drill chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20100417 |