CN2832368Y - Housing safeguard structure of hand-screwed drill chuck - Google Patents
Housing safeguard structure of hand-screwed drill chuck Download PDFInfo
- Publication number
- CN2832368Y CN2832368Y CN 200520014538 CN200520014538U CN2832368Y CN 2832368 Y CN2832368 Y CN 2832368Y CN 200520014538 CN200520014538 CN 200520014538 CN 200520014538 U CN200520014538 U CN 200520014538U CN 2832368 Y CN2832368 Y CN 2832368Y
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- CN
- China
- Prior art keywords
- shell
- protective jacket
- drill chuck
- hand
- drill
- 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 provides an outer shell protective structure of a hand-tightening drill chuck, which comprises a protective cover covering the excircle at the front end of the outer shell. When the hand-tightening drill chuck is used, the front end of the outer shell is the part which can be damaged easily, while the part is also a part with main functions of the outer shell. The utility model can be suitable for hand-tightening drill chuck of various types. The protective cover provided by the utility model protects the front end of the outer shell, and consequently, the possibility that the outer shell of the drill chuck can be damaged in the process of use can be reduced by the simple method.
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, with regard to hand fastening drill clutch,, there are monoshell drill chuck, bivalve drill point first-class according to the quantity of shell part.The different parts of shell have different addresses because of its residing position and function different on drill chuck, such as, in the drill chuck of duplex shell structure, be in anterior shell and be commonly called as protheca or rotary sleeve, the shell that is in the rear portion is commonly called as the back cover, in the drill chuck of single shell structure, shell can be called rotary sleeve or just directly exhale shell.Shell often is made of plastics, and in the use of drill chuck, the shell that is in front end is subjected to gouge easily, damages.The lighter damages the outward appearance of drill chuck, and is serious even the function of drill chuck produced infringement.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of shell protection structure of hand fastening drill clutch, makes shell in use not fragile.For this reason, the utility model by the following technical solutions: it comprises the protective jacket that encases shell front end cylindrical.In use the front end of shell is the position that is vulnerable to damage most, also shell major function position often, the utility model can be applicable to various hand fastening drill clutch, the protective jacket that is provided protects the shell front end, thereby greatly reduces the possibility that the drill chuck shell in use is damaged by simple mode.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment.
The specific embodiment
With reference to accompanying drawing.Hand fastening drill clutch shell protection structure provided by the utility model comprises the protective jacket 2 that encases shell front end cylindrical 1.
Can have multiple annexation between protective jacket, shell front end, the drill body, such as, with regard to single shell structure, described protective jacket is fixedlyed connected with drill body front end 3, and described shell and protective jacket are rotationally connected.This relation of being rotationally connected can be meant that shell is on the axial direction of drill chuck, because of the annexation with protective jacket is positioned, shell is on the circumferential direction of drill chuck, can rotate with respect to protective jacket, like this, protective jacket reality also can play the axial location effect to shell, and function is more powerful, and structure is compact more.With regard to duplex shell structure, described shell comprises the back cover that is in anterior protheca and is in the rear portion, and described protective jacket is fixedlyed connected with the drill body front end, and at this moment, described protective jacket is protected the front end cylindrical of the protheca in the shell.Certainly, the axial location of shell or protheca also can cooperate with other parts of drill chuck by it and realizes that protective jacket is only protected the front end cylindrical of shell or protheca, and to shell or protheca axially and axially-movable matching relationship without limits.
As shown in the figure, described being rotationally connected can realize that drawing reference numeral 12,11 is respectively the projection and the groove of shell front end by clamping, and drawing reference numeral 22,21 is respectively the projection and the groove of the protective jacket that matches.
In addition, described protective jacket also can be fixedlyed connected with shell, described protective jacket and drill body front end matched in clearance, and like this, protective jacket is rotation simultaneously along with the rotation of shell.With regard to duplex shell structure, described shell comprises the back cover that is in anterior protheca and is in the rear portion, described protective jacket and drill body front end matched in clearance, and described protective jacket is realized and the fixedlying connected of shell by fixedlying connected with the protheca in the shell.
Other structure of drill chuck can adopt the various structures of hand fastening drill clutch.
Claims (6)
1, a kind of shell protection structure of hand fastening drill clutch is characterized in that it comprises the protective jacket that encases shell front end cylindrical.
2, the shell protection structure of a kind of hand fastening drill clutch as claimed in claim 1 is characterized in that described protective jacket fixedlys connected with the drill body front end, and described shell and protective jacket are rotationally connected.
3, the shell protection structure of a kind of hand fastening drill clutch as claimed in claim 1, it is characterized in that described shell comprises the back cover that is in anterior protheca and is in the rear portion, described protective jacket is fixedlyed connected with the drill body front end, and the protheca in described protective jacket and the shell is rotationally connected.
4,, it is characterized in that described being rotationally connected is clamping as the shell protection structure of claim 2 or 3 described a kind of hand fastening drill clutch.
5, the shell protection structure of a kind of hand fastening drill clutch as claimed in claim 1 is characterized in that described protective jacket fixedlys connected described protective jacket and drill body front end matched in clearance with shell.
6, the shell protection structure of a kind of hand fastening drill clutch as claimed in claim 1, it is characterized in that described shell comprises the back cover that is in anterior protheca and is in the rear portion, described protective jacket and drill body front end matched in clearance, described protective jacket is fixedlyed connected with the protheca in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014538 CN2832368Y (en) | 2005-08-29 | 2005-08-29 | Housing safeguard structure of hand-screwed drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520014538 CN2832368Y (en) | 2005-08-29 | 2005-08-29 | Housing safeguard structure of hand-screwed drill chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2832368Y true CN2832368Y (en) | 2006-11-01 |
Family
ID=37196684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520014538 Expired - Fee Related CN2832368Y (en) | 2005-08-29 | 2005-08-29 | Housing safeguard structure of hand-screwed drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2832368Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499667A (en) * | 2016-02-23 | 2016-04-20 | 威海达旺五金制品有限责任公司 | Drill chuck protecting device and drill chuck |
-
2005
- 2005-08-29 CN CN 200520014538 patent/CN2832368Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499667A (en) * | 2016-02-23 | 2016-04-20 | 威海达旺五金制品有限责任公司 | Drill chuck protecting device and 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: 20061101 Termination date: 20110829 |