CN200967095Y - Novel drill chuck - Google Patents
Novel drill chuck Download PDFInfo
- Publication number
- CN200967095Y CN200967095Y CN 200620140131 CN200620140131U CN200967095Y CN 200967095 Y CN200967095 Y CN 200967095Y CN 200620140131 CN200620140131 CN 200620140131 CN 200620140131 U CN200620140131 U CN 200620140131U CN 200967095 Y CN200967095 Y CN 200967095Y
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- CN
- China
- Prior art keywords
- drill chuck
- connector
- jaw
- collet body
- spring leaf
- 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 a novel drill chuck, which comprise a jaw and a connection body matched and connected to a drive mechanism and also has a rotatable chuck body enclosing out of the connection body. The chuck body is arranged with an inclined holding jaw groove with a holding jaw arranged inside. The front end of the chuck body is provided with a hole for the holding jaw extending out. The holding jaw and the front end of the connection body are connected with a thread. The periphery of the front part of the drill chuck is provided with an edge for inputting torsion force when using tools to dismantle the drill chuck. The utility model has novel and simple structure and reliable performance, the drill clamp and drill chuck can be dismantled conveniently by using tools rotating the connection body after processing the work component by the drill chuck.
Description
Technical field
The utility model relates to a kind of for example drill chuck of drilling machine or electric drill of plant equipment that is installed in.
Background technology
Present popular drill chuck, the branch that hand fastening drill clutch and keyless drill chuck are arranged, the latter's structure more complicated, be provided with screw rod in its connector, connector is provided with the jaw gathering sill outward, and screw rod links to each other with jaw in the jaw gathering sill, and the advance and retreat of passing through screw rod drive the jaw motion, clamp or the drill bit that gets loose, this drill chuck is complex structure not only, and bodily form length is from great.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of simple in structure, easy to operate novel drill chuck.For this reason, the utility model is by the following technical solutions: the connector that it is provided with jaw and is connected with driving device, it also is provided with and is centered around the outer rotatable collet body of connector, described collet body is provided with the jaw groove of inclination, jaw is located in the jaw groove, the front end of collet body has the hole of stretching out for jaw, and jaw is threaded with the connector front end, and the anterior periphery of described drill chuck is provided with the limit of input torsion when being convenient to utilize instrument dismounting drill chuck.Because adopt the technical solution of the utility model, the utility model novel structure is simple, reliable operation after utilizing the drill chuck processing work to finish, also can be utilized instrument rotation coupling easily, and drill point and drill chuck are pulled down.
Description of drawings
Fig. 1 partly cuts open schematic diagram for embodiment's 1 provided by the utility model.
Fig. 2 partly cuts open schematic diagram for embodiment's 2 provided by the utility model.
Fig. 3 is the A-A cutaway view of Fig. 1.
Fig. 4 is the B-B cutaway view of Fig. 2.
The specific embodiment
Embodiment 1
With reference to accompanying drawing 1 and 3.The connector 3 that the utility model is provided with jaw 2 and is connected with driving device, it also is provided with and is centered around the outer rotatable collet body 1 of connector, described collet body is provided with the jaw groove 11 of inclination, jaw is located in the jaw groove, the front end of collet body has the hole 12 of stretching out for jaw, jaw is threaded with the connector front end, and the anterior periphery of described drill chuck is provided with the limit 13 of input torsion when being convenient to utilize instrument dismounting drill chuck.
As shown in Figure 1, described when being convenient to utilize instrument dismounting drill chuck the limit 13 of input torsion form on the anterior inclined-plane of collet body.
As shown in Figure 1, connector has central through hole 33, and is connected with driving device by this hole.
Totally 3 of jaws, corresponding jaw groove 11 also are 3 and evenly are provided with along the collet body circumferencial direction.The connecting thread of jaw and connector front end is a reverse thread.Drawing reference numeral 31 is the tapered thread that the connector front end is connected with jaw.
Also be provided with the back cover 4 that is centered around outside the connector at the collet body rear, collet body is connected with the back cover, and in the present embodiment, collet body is connected with the back external threading, and the rear portion of connector is provided with positioning step 32, and positioning step is axially spacing to collet body and back cover.The neighboring, middle part of connector cooperates with the centre bore of collet body 14 location, has simplified the centre bore location structure of collet body and the assembly work of drill chuck.Be provided with ball 5 at the rear end face of positioning step 32 and between afterwards overlapping.
Be provided with the fixed cover 6 that can not rotate relative to connector in the outside of back cover, like this, be more convenient for operating drill chuck.Fixed cover 6 and connector are connected so that fixed cover is circumferentially located by opposite side, and axially, fixed cover is matched in clearance by collar 8 axial limitings between back cover and the fixed cover.Present embodiment also is provided with the self-locking mechanism of drill chuck in fixed cover, like this, no matter drill chuck rotates and reverse, and can both guarantee the clamping of jaw to drill bit.With reference to accompanying drawing 2.The upper end of back cover has been provided with the spring leaf 7 of self-locking action, and connector rear portion periphery is provided with the groove 34 that cooperates with the self-locking position 72 of spring leaf, and spring leaf is provided with outside projection 71 and 73, and fixed cover is provided with the groove 62,63 and 64 that cooperates with the projection of spring leaf.
Embodiment 2
With reference to accompanying drawing 2,4.The connector 230 that the utility model is provided with jaw 220 and is connected with driving device, it also is provided with and is centered around the outer rotatable collet body 210 of connector, described collet body is provided with the jaw groove 211 of inclination, jaw is located in the jaw groove, the front end of collet body has the hole 212 of stretching out for jaw, jaw is threaded with the connector front end, and the anterior periphery of described drill chuck is provided with the limit 213 of input torsion when being convenient to utilize instrument dismounting drill chuck.
As shown in Figure 2, described when being convenient to utilize instrument dismounting drill chuck the limit 213 of input torsion be located at the front end of collet body.
As shown in Figure 2, connector has central through hole 233, and is connected with driving device by this hole.
Totally 3 of jaws, corresponding jaw groove 211 also are 3 and evenly are provided with along the collet body circumferencial direction.The connecting thread of jaw and connector front end is a reverse thread.Drawing reference numeral 231 is the tapered thread that the connector front end is connected with jaw.
Also be provided with the back cover 240 that is centered around outside the connector at the collet body rear, collet body is connected with the back cover, and in the present embodiment, collet body is connected with the back external threading, and the rear portion of connector is provided with positioning step 232, and positioning step is axially spacing to collet body and back cover.The neighboring, middle part of connector cooperates with the centre bore of collet body 214 location, has simplified the centre bore location structure of collet body and the assembly work of drill chuck.
Present embodiment also is provided with the self-locking mechanism of drill chuck, described self-locking structure is: be provided with the round element 260 that periphery has spring leaf 263 between the back cover at positioning step and positioning step rear portion, spring leaf 263 has self-locking position 262, described back cover inwall is provided with the groove 241 that cooperates with spring leaf self-locking position, the self-locking position 262 of described spring leaf 263 is its lock end, and the lock end of spring leaf 263 outwards protrudes.The described back cover groove that cooperates with the lock end can V-shaped groove.Drawing reference numeral 250 is the ball between round element 260 and the back cover.
Claims (8)
1, a kind of novel drill chuck, it is characterized in that the connector that it is provided with jaw and is connected with driving device, it also is provided with and is centered around the outer rotatable collet body of connector, described collet body is provided with the jaw groove of inclination, jaw is located in the jaw groove, the front end of collet body has the hole of stretching out for jaw, and jaw is threaded with the connector front end, and the anterior periphery of described drill chuck is provided with the limit of input torsion when being convenient to utilize instrument dismounting drill chuck.
2, a kind of novel drill chuck as claimed in claim 1, it is characterized in that described when being convenient to utilize instrument dismounting drill chuck the limit of input torsion be located at the front end of collet body.
3, a kind of novel drill chuck as claimed in claim 1, it is characterized in that described when being convenient to utilize instrument dismounting drill chuck the limit of input torsion form on the anterior inclined-plane of collet body.
4, a kind of novel drill chuck as claimed in claim 1 is characterized in that also being provided with the back cover that is centered around outside the connector at the collet body rear, and collet body is connected with the back cover, and the rear portion of connector is provided with positioning step.
5, a kind of novel drill chuck as claimed in claim 1 is characterized in that the neighboring, middle part of connector cooperates with the centre bore location of collet body.
6, a kind of novel drill chuck as claimed in claim 1, the connecting thread that it is characterized in that jaw and connector front end is a reverse thread.
7, a kind of novel drill chuck as claimed in claim 4, it is characterized in that between the back cover at positioning step and positioning step rear portion, being provided with the round element that periphery has spring leaf, spring leaf has the self-locking position, and described back cover inwall is provided with the groove that cooperates with spring leaf self-locking position.
8, a kind of novel drill chuck as claimed in claim 4, it is characterized in that being provided with the fixed cover that can not rotate relative to connector in the outside of back cover, the upper end of back cover has been provided with the spring leaf of self-locking action, connector rear portion periphery is provided with the groove that cooperates with the self-locking position of spring leaf, spring leaf is provided with outside projection, and fixed cover is provided with the groove that cooperates with the projection of spring leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140131 CN200967095Y (en) | 2006-11-17 | 2006-11-17 | Novel drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140131 CN200967095Y (en) | 2006-11-17 | 2006-11-17 | Novel drill chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200967095Y true CN200967095Y (en) | 2007-10-31 |
Family
ID=38966667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620140131 Expired - Fee Related CN200967095Y (en) | 2006-11-17 | 2006-11-17 | Novel drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200967095Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012215A1 (en) * | 2012-07-17 | 2014-01-23 | 威海达旺五金制品有限责任公司 | Novel drill chuck |
-
2006
- 2006-11-17 CN CN 200620140131 patent/CN200967095Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012215A1 (en) * | 2012-07-17 | 2014-01-23 | 威海达旺五金制品有限责任公司 | Novel drill chuck |
| US10086442B2 (en) | 2012-07-17 | 2018-10-02 | Weihai Dawang Hardware Products Limited | Drill chuck |
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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 |