CN200991770Y - Anti-over-tight drill clip-head - Google Patents
Anti-over-tight drill clip-head Download PDFInfo
- Publication number
- CN200991770Y CN200991770Y CN 200620141234 CN200620141234U CN200991770Y CN 200991770 Y CN200991770 Y CN 200991770Y CN 200620141234 CN200620141234 CN 200620141234 CN 200620141234 U CN200620141234 U CN 200620141234U CN 200991770 Y CN200991770 Y CN 200991770Y
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- face
- adapter sleeve
- connector
- drill chuck
- rear end
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- Expired - Fee Related
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Abstract
The utility model provides an anti-tight drill chuck which comprises a connector connecting and matching with a drive mechanism, the drill chuck is provided with a clamping chuck body encircling outside the connector, the clamping chuck body is provided with a gripping jaw slot equispaced along the circumference direction, a gripping jaw is provided in the gripping jaw slot, the gripping jaw is connected with the reverse screw thread at the front end of the connector, the drill chuck is also provided with a connecting sleeve encircling at the outside of the connector that is connected with the back end of the clamping chuck body, the connector is provided with a lug boss for positioning the clamping chuck body and the connecting sleeve at the axial direction, a structure preventing the clamping chuck body and the connecting sleeve from excess relative rotating at the spinning direction when the drill chuck is at work is provided between the back end surface of the lug boss and the end surface of the connecting sleeve opposite to the back end surface. The utility model has a simpler structure, in addition, when the drill chuck is working at the positive direction, the structure preventing the clamping chuck body and the connecting sleeve from excess relative rotating with the connector can prevent the excess relative rotating of the clamping chuck body and the connecting sleeve and the connector at the spinning direction, and prevent too tight clamping of the drill bit from the gripping jaw, thus ensuring the clamping reliability and convenient loosening operation.
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, the screw rod that keyless drill chuck is provided with the connector that is connected with driving device, protheca, jaw, is connected with connector and jaw.The operation drill chuck makes relatively rotating of collet body and connector, thereby the motion by screw rod drives jaw the advance and retreat clamping or the drilling tool that gets loose in the skewed slot of collet body.This drill chuck has higher clamping reliability, but when forward is worked, because protheca relatively rotates with connector on the direction screwing, makes jaw too clamp drill bit, and is very difficult in the time of can causing being difficult to get loose operation.
Summary of the invention
Technical problem to be solved in the utility model provides the get loose drill chuck of easy to operate anti-tension of a kind of reliable clamping.For this reason, the utility model is by the following technical solutions: it comprises the connector that is connected with driving mechanism, described drill chuck is provided with and is centered around the outer collet body of connector, collet body is provided with along the circumferential direction uniform jaw groove, be provided with jaw in the jaw groove, jaw is connected with connector front end reverse thread, described drill chuck also is provided with and is centered around the outer adapter sleeve that is connected with the collet body rear end of connector, described connector is provided with the boss to collet body and adapter sleeve axial location, the rear end face of described boss and described rear end face be provided with when drill chuck is worked, screwing between the right adapter sleeve end face and prevent collet body and adapter sleeve and connector structure excessively in relative rotation on the direction.Owing to adopt the technical solution of the utility model, the utility model structure is simpler, and, when the drill chuck forward is worked, described prevent collet body and adapter sleeve and connector excessively in relative rotation structure can prevent owing to excessively relatively rotate screwing direction upper grip body and adapter sleeve and connector, prevent that jaw from too clamping drill bit, guarantee the reliable of clamping and get loose easy to operate.
Description of drawings
Fig. 1 is the half sectional view of the utility model implementation column 1.
Fig. 2 is the explosive view of implementation column 1.
Fig. 3 is the graphics of the adapter sleeve of implementation column 1, and the interior shape of adapter sleeve is shown.
Fig. 4 is the graphics of wave-shaped ring in the implementation column 1, and the shape of wave-shaped ring is shown.
Fig. 5 illustrates shape of spring plate for the be hit by a bullet graphics of reed of implementation column 1.
Fig. 6 is connector and the fixed cover schematic diagram when clamping tool not in the implementation column 1.
Fig. 7 is the connector and the schematic diagram of fixed cover when clamping tool of implementation column 1 drill chuck.
Fig. 8 is the half sectional view of the utility model implementation column 2.
Fig. 9 is the D-D cutaway view of Fig. 1.
Figure 10 is the explosive view of embodiment 2.
Figure 11 is the graphics of the spring base of embodiment 2.
Figure 12 is the upward view of adapter sleeve in Fig. 8 of embodiment 2.
Figure 13 is the half sectional view of the utility model implementation column 3.
Figure 14 is the explosive view of implementation column 3.
Figure 15 is not for to be under the self-locking state, along the profile of A-A among Figure 13.
Figure 16 is not for to be under the self-locking state, along the profile of B-B among Figure 13.
Figure 17 is not for to be under the self-locking state, along the profile of C-C among Figure 13.
Figure 18 is the half sectional view of the utility model implementation column 4.
Figure 19 is the explosive view of embodiment 4.
Figure 20 is the graphics of embodiment 4 after remove overcoat, the adapter sleeve part being removed.
Figure 21 is the graphics of the round element of embodiment 4.
Figure 22 is the E place enlarged drawing of Figure 20.
Figure 23 is the explosive view of the utility model implementation column 5.
Figure 24 is the graphics of implementation column 5 centre circle linear elements, and the shape of round element is shown.
Figure 25 is the half sectional view of the utility model implementation column 4.
Figure 26 is the explosive view of implementation column 4.
Figure 27 is the half sectional view of the utility model implementation column 7.
Figure 28 is the F-F cutaway view of Figure 27.
Figure 29 is the explosive view of implementation column 7.
Figure 30 is the graphics of the spring base of embodiment 7.
The specific embodiment
With reference to accompanying drawing 1,2,3,4,5,6,7, the utility model comprises the connector 3 that is connected with driving mechanism, described drill chuck is provided with and is centered around the outer collet body 1 of connector, collet body is provided with along the circumferential direction uniform jaw groove 11, be provided with jaw 2 in the jaw groove, jaw is connected with connector front end 31 reverse threads, described drill chuck also is provided with and is centered around the outer adapter sleeve 4 that is connected with the collet body rear end of connector, described connector is provided with the boss 33 to collet body and adapter sleeve axial location, the rear end face of described boss and described rear end face be provided with when drill chuck is worked, screwing between the right adapter sleeve end face and prevent collet body and adapter sleeve and connector structure excessively in relative rotation on the direction.
Present embodiment jaw groove 11 directly is opened in the collet body, and it can be with collet body machine-shaping and installation.As shown in the figure, totally 3 of jaws, jaw groove 11 is obliquely installed and evenly is provided with along the collet body circumferencial direction.In the utility model, the described direction that screws is to instigate the jaw motion with the collet body of clamping tool and the direction of relative movement of adapter sleeve and connector.Because when clamping tool and when carrying out work, connector can be subjected to power backward, make the rear end face of boss and described rear end face the gap between the right adapter sleeve end face reduce, the utility model utilizes this characteristics, make described prevent collet body and adapter sleeve and connector excessively in relative rotation structure when drill chuck is worked, cooperatively interact and prevent that collet body and adapter sleeve and connector from excessively relatively rotating.
In the present embodiment, described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the spring leaf of being located on the described boss rear end face with perk 104 103, described boss rear end face right adapter sleeve end face be provided with the groove 45 that matches.As shown in the figure, spring leaf 103 evenly is provided with along the circumferencial direction of boss 33, and drawing reference numeral 102 is its steady pin, and in addition, perk 104 also can be substituted by projection.As shown in the figure, described boss rear end face the right adapter sleeve end face groove 45 that evenly distributes and match, groove 45 also can be substituted by projection certainly.In addition, spring leaf 103 also can be arranged on the boss rear end face right adapter sleeve end face, the groove or the projection that match with spring leaf 103 are arranged on the boss rear end face.At drill chuck not during clamping tool, the rear end face of boss and described rear end face the gap between the right adapter sleeve end face make perk 104 and cooperating of groove 45 can not hinder collet body and adapter sleeve and connector to relatively rotate, when the drill chuck clamping tool carries out work, connector is subjected to power backward, the rear end face of boss and described rear end face the gap between the right adapter sleeve end face reduce, when screwing direction upper grip body and adapter sleeve and connector and relatively rotating, perk 104 enters in rotation process in the groove 45, hinder collet body and adapter sleeve and connector and relatively rotate, prevent that collet body and adapter sleeve and connector from excessively relatively rotating.
In the present embodiment, the rear end face of described collet body and described collet body rear end face institute is to being provided with elastic washer among the adapter sleeve end face.Described elastic washer adopts wave-shaped ring 101 in the present embodiment.Like this, make that the operation of drill chuck is more flexible in the operating process that clamps drill bit.Certainly, described elastic washer also can be arranged on the rear end face of boss and described rear end face between the right adapter sleeve end face.
In order to make drill chuck more convenient to operate, the rear end of described drill chuck is provided with fixed cover 5.Drawing reference numeral 91 is a collar.
In the present embodiment, described collet body is connected by connecting pin 94 with adapter sleeve, and collet body and adapter sleeve are provided with the hole that supply and marketing 94 is passed.Like this, connecting pin can play the effect that connects collet body and adapter sleeve, and when drill chuck was provided with self-locking structure, connecting pin also can cooperate with the transposition groove, increases the torsion input, increases the chucking power of jaw to drill bit.
In the present embodiment, the 34 pairs of collet body centralized positionings in the face of cylinder, middle part of connector make that the assembling of collet body centralized positioning and drill chuck is more simple.
In the present embodiment, centre bore in the described connector has the configuration that cooperates with the bolt that is connected driving mechanism, drawing reference numeral 35 is the centre bore in the connector, the centre bore back segment is connected with driving mechanism, the centre bore leading portion with have the contraction section 36 that bolt cooperates, like this, connector also can be connected by bolt with driving mechanism, makes drill chuck can work in positive and negative two direction of rotation reliably.
With reference to accompanying drawing 8,9,10,11,12.Prevent described in the present embodiment collet body and adapter sleeve and connector excessively in relative rotation structure adopt following structure and set-up mode: described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the tooth of being located on the described boss rear end face 201, be provided with spring base 202 between adapter sleeve and the described boss, seat surface is provided with the tooth 203 that cooperates with tooth on the boss rear end face to the end face of boss, is provided with between spring base and the adapter sleeve screwing when drill chuck is worked to prevent spring base and adapter sleeve spring 206 excessively in relative rotation on the direction.Described spring can be stage clip, extension spring or other spring.
Described seat surface is provided with spring groove 204 to the end face of adapter sleeve, and adapter sleeve is provided with the spring groove 205 that cooperates with spring groove on the spring base towards the end face of spring base, and described spring is located in the spring groove.
In the present embodiment, wave-shaped ring 101 the rear end face of described collet body and described collet body rear end face be to be between the rear end face and spring base 202 of collet body the position between the adapter sleeve end face.In the present embodiment, collet body and adapter sleeve adopt and are threaded.
At drill chuck not during clamping tool, the rear end face of boss and gap between the spring base make cooperating between tooth 201 and the tooth 203 can not hinder collet body and adapter sleeve and connector and relatively rotate, when the drill chuck clamping tool carries out work, connector is subjected to power backward, the rear end face of boss and the gap between the spring base reduce, engagement between tooth 201 and the tooth 203, when screwing direction upper grip body and adapter sleeve and connector and relatively rotating, spring base 202 is driven and is relatively rotated with adapter sleeve, spring groove 205 and spring groove 204 relatively rotate, spring 206 is compressed, the elastic force of spring plays obstruction collet body and adapter sleeve and connector and acts in relative rotation, prevent that collet body and adapter sleeve and connector from excessively relatively rotating, and in the tool operation that gets loose, play the effect of power-assisted.
Other structure of present embodiment is identical with embodiment 1, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 1 in the accompanying drawing of embodiment 2.
With reference to accompanying drawing 13,14,15,16,17.Present embodiment is provided with self-locking structure on the basis of embodiment 1, make after jaw clamps drill bit, even the backward rotation drill chuck also can keep the clamping of jaw to drill bit.Other structure of present embodiment is identical with embodiment 1, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 1 in the accompanying drawing of embodiment 3.
The rear end of collet body is provided with from locking element, and the side of connector is corresponding to being provided with from the locking element place and the serrate slot 32 that cooperates from locking element, and the rear end of described drill chuck also is provided with overcoat 50, and outer casing inner wall is provided with the configuration of control from locking element.
In the present embodiment, described is rotating ratchet 6 from locking element.Have breach 12 in the rear end of collet body, be provided with turning cylinder 92 in the breach, describedly be in the breach from locking element from locking element.
In the present embodiment, the set control self-locking element configurations of outer casing inner wall is the outer casing inner wall of groove 52 and side thereof.
In the present embodiment, also be provided with the spring leaf 7 that acts on from locking element in the breach 12 of collet body rear end, like this, can further improve self-locking property.One end, 72 compressings of described spring leaf are on locking element, described spring leaf is provided with outside projection 71, described outer casing inner wall is provided with the groove 51 that cooperates with described projection, makes spring leaf can carry out the switching of self-locking state and non-self-locking state, makes from latching operation more easily and be rich in feel.Described spring leaf is rotating spring leaf, and drawing reference numeral 73 is its turning cylinder, makes spring leaf and groove 51 and more reliable from cooperating of locking element.
In the present embodiment, described adapter sleeve is provided with the retainer spring sheet 8 of overcoat, describedly outer is arranged with the detent that cooperates with retainer spring, like this, can make the duty of drill chuck reliable more and stablize, and is more convenient to operate.Described detent comprises the groove 53 when groove 54 that drill chuck is in self-locking state and drill chuck are in non-self-locking state.Have breach on the described adapter sleeve, breach is provided with the installation shaft 81 of spring leaf.
In the present embodiment, described collet body is connected by connecting pin 94 with adapter sleeve, and described connecting pin protrudes from collet body and adapter sleeve, the described outer transposition groove 55 that cooperates with connecting pin that is arranged with.Like this, connecting pin can play the effect that connects collet body and adapter sleeve, can cooperate with the transposition groove again, increases the torsion input, increases the chucking power of jaw to drill bit.
With reference to accompanying drawing 13-17, when drill chuck was in non-self-locking state, the projection of retainer spring 8 was in the groove 53 of overcoat, outside locking element is in the groove 52 of overcoat, the projection of spring leaf 7 is in the groove 52 of overcoat, is in disengaged position from the serrate slot 32 of locking element and connector.Rotary sleeve can drive collet body makes jaw clamp drill bit gradually.After jaw is clamped drill bit, continue rotary sleeve, collet body temporarily stops operating, the projection of retainer spring 8 is in the groove 54 of overcoat, fall into the groove 52 of overcoat from the tail end of locking element, the projection of spring leaf 7 is in outside the groove 52 of overcoat, is pressed the serrate slot 32 with connector to be in mated condition from the lock end 61 of locking element, and drill chuck is in self-locking state.At this moment, the other end of overcoat transposition groove contacts with connecting pin 94, continues rotary sleeve, drives collet body by transposition groove and cooperating of connecting pin 94 and continues rotation, thereby increase the torsion input, increases the chucking power of jaw to drill bit.At this moment, unless the active backward rotation can not relatively rotate by the direction of the jaw that gets loose between connector and the collet body, when making forward and backward rotation drill chuck, jaw remains the clamping to drill bit.
With reference to accompanying drawing 18,19,20,21 and 22.Present embodiment described prevent collet body and adapter sleeve and connector excessively in relative rotation structure adopt following structure and set-up mode: described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise tooth 401 set on the described boss rear end face, and boss between, be connected with the round element 402 that band cooperates tooth 403 in the described adapter sleeve, the tooth of round element is located at the round component side on the end face of boss rear end face.Round element 402 is provided with and connects locating slot 404, and adapter sleeve is provided with and connects locating slot 405, and drawing reference numeral 406 makes adapter sleeve be connected with the round element for being inserted in the connector that connects in the locating slot 404,405.
In the present embodiment, wave-shaped ring 101 the rear end face of described collet body and described collet body rear end face be to be between the rear end face and round element 402 of collet body the position among the adapter sleeve end face.
At drill chuck not during clamping tool, the rear end face of boss and gap between the round element 402 make cooperating between tooth 401 and the tooth 403 can not hinder collet body and adapter sleeve and connector and relatively rotate, when the drill chuck clamping tool carries out work, connector is subjected to power backward, gap between the rear end face of boss and the round element 402 reduces, when screwing direction upper grip body and adapter sleeve and connector and relatively rotating, cooperation in rotation process between tooth 401 teeth 403 can be played obstruction collet body and adapter sleeve and connector and act in relative rotation, prevents that collet body and adapter sleeve and connector from excessively relatively rotating.
Other structure of present embodiment is identical with embodiment 3, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 1 in the accompanying drawing of embodiment 3.
With reference to accompanying drawing 23 and 24.Prevent described in the present embodiment collet body and adapter sleeve and connector excessively in relative rotation structure adopt following structure and set-up mode: described boss rear end face is provided with round element 108, described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the spring leaf of being located on the round element with perk 109 110, described boss rear end face right adapter sleeve end face be provided with projection or the groove that matches.As shown in the figure, spring leaf 110 evenly is provided with along the circumferencial direction of round element 108, and in addition, perk 109 also can be substituted by projection.In addition, round element 108 also can be arranged on the boss rear end face right adapter sleeve end face, the groove or the projection that match with spring leaf 110 are arranged on the boss rear end face.
Other structures of present embodiment are identical with embodiment 3, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 3 in the accompanying drawing of embodiment 5.
With reference to accompanying drawing 25 and 26.Prevent described in the present embodiment collet body and adapter sleeve and connector excessively in relative rotation structure adopt following structure and set-up mode: described prevent collet body and adapter sleeve and connector excessively in relative rotation structure be projection that matches or the groove be located on described boss rear end face and the right adapter sleeve end face of described rear end face.As shown in the figure, the boss rear end face evenly is provided with groove or projection 37, correspondingly, with described rear end face also evenly be provided with projection or the groove that matches on the right adapter sleeve end face.At drill chuck not during clamping tool, the rear end face of boss and described rear end face the gap between the right adapter sleeve end face make cooperating of projection or groove can not hinder collet body and adapter sleeve and connector to relatively rotate, when drill chuck carries out work, connector is subjected to power backward, the rear end face of boss and described rear end face the gap between the right adapter sleeve end face reduce, when screwing direction upper grip body and adapter sleeve and connector and relatively rotating, in projection 37 grooves that in rotation process, enter on the adapter sleeve end face, hinder collet body and adapter sleeve and connector and relatively rotate, prevent that collet body and adapter sleeve and connector from excessively relatively rotating.
Other structures of present embodiment are identical with embodiment 3, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 3 in the accompanying drawing of embodiment 6.
With reference to accompanying drawing 27,28,29,30,31.Prevent described in the present embodiment collet body and adapter sleeve and connector excessively in relative rotation structure adopt following structure and set-up mode: described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the tooth of being located on the described boss rear end face 701, be provided with spring base 702 between adapter sleeve and the described boss, seat surface is provided with the tooth 703 that cooperates with tooth on the boss rear end face to the end face of boss, is provided with between spring base and the adapter sleeve screwing when drill chuck is worked to prevent spring base and adapter sleeve spring 706 excessively in relative rotation on the direction.Described spring is extension spring.
Adapter sleeve is provided with spring groove 704 towards the end face of spring base, and described spring is located in the spring groove, and an end of described spring is connected with spring base, and the other end is connected with adapter sleeve.Drawing reference numeral 705 is for connecting the hole or the groove of spring.
In the present embodiment, wave-shaped ring 101 the rear end face of described collet body and described collet body rear end face be to be between the rear end face and spring base of collet body the position between the adapter sleeve end face.In the present embodiment, collet body and adapter sleeve adopt and are threaded.
At drill chuck not during clamping tool, the rear end face of boss and gap between the spring base make cooperating between tooth 701 and the tooth 703 can not hinder collet body and adapter sleeve and connector and relatively rotate, when the drill chuck clamping tool carries out work, connector is subjected to power backward, the rear end face of boss and the gap between the spring base reduce, engagement between tooth 701 and the tooth 703, when screwing direction upper grip body and adapter sleeve and connector and relatively rotating, spring base 702 is driven and is relatively rotated with adapter sleeve, spring 706 is stretched, the elastic force of spring plays obstruction collet body and adapter sleeve and connector and acts in relative rotation, prevent that collet body and adapter sleeve and connector from excessively relatively rotating, and in the tool operation that gets loose, play the effect of power-assisted.
Other structure of present embodiment is identical with embodiment 1, the identical part of representative that drawing reference numeral is identical with the accompanying drawing of embodiment 1 in the accompanying drawing of embodiment 7.
Claims (14)
1, a kind of drill chuck of anti-tension, comprise the connector that is connected with driving mechanism, it is characterized in that described drill chuck is provided with the collet body that is centered around outside the connector, collet body is provided with along the circumferential direction uniform jaw groove, be provided with jaw in the jaw groove, jaw is connected with connector front end reverse thread, described drill chuck also is provided with and is centered around the outer adapter sleeve that is connected with the collet body rear end of connector, described connector is provided with the boss to collet body and adapter sleeve axial location, the rear end face of described boss and described rear end face be provided with when drill chuck is worked, screwing between the right adapter sleeve end face and prevent collet body and adapter sleeve and connector structure excessively in relative rotation on the direction.
2, the drill chuck of a kind of anti-tension as claimed in claim 1, it is characterized in that the described excessive structure in relative rotation of collet body and adapter sleeve and connector that prevents comprises the tooth of being located on the described boss rear end face, be provided with spring base between adapter sleeve and the described boss, seat surface is provided with the tooth that cooperates with tooth on the boss rear end face to the end face of boss, is provided with between spring base and the adapter sleeve screwing when drill chuck is worked to prevent spring base and adapter sleeve spring excessively in relative rotation on the direction.
3, the drill chuck of a kind of anti-tension as claimed in claim 2, it is characterized in that described seat surface is provided with spring groove to the end face of adapter sleeve, adapter sleeve is provided with the spring groove that cooperates with spring groove on the spring base towards the end face of spring base, and described spring is located in the spring groove.
4, the drill chuck of a kind of anti-tension as claimed in claim 2 is characterized in that adapter sleeve is provided with spring groove towards the end face of spring base, and described spring is located in the spring groove, and an end of described spring is connected with spring base, and the other end is connected with adapter sleeve.
5, the drill chuck of a kind of anti-tension as claimed in claim 1, it is characterized in that the described excessive structure in relative rotation of collet body and adapter sleeve and connector that prevents comprises set tooth on the described boss rear end face, and boss between, be connected with the round element that band cooperates tooth in the described adapter sleeve, the tooth of round element is located at the round component side on the end face of boss rear end face.
6, the drill chuck of a kind of anti-tension as claimed in claim 1, it is characterized in that described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the spring leaf of being located on the described boss rear end face with perk or projection, described boss rear end face right adapter sleeve end face be provided with projection or the groove that matches.
7, the drill chuck of a kind of anti-tension as claimed in claim 1, it is characterized in that described boss rear end face is provided with the round element, described prevent collet body and adapter sleeve and connector excessively in relative rotation structure comprise the spring leaf of being located on the round element with perk or projection, described boss rear end face right adapter sleeve end face be provided with projection or the groove that matches.
8, the drill chuck of a kind of anti-tension as claimed in claim 1, it is characterized in that described prevent collet body and adapter sleeve and connector excessively in relative rotation structure be projection that matches or the groove be located on described boss rear end face and the right adapter sleeve end face of described rear end face.
9,, it is characterized in that described drill chuck is provided with elastic washer between the rear end face of described collet body and described collet body rear end face institute are to the adapter sleeve end face as the drill chuck of claim 1,2,3,4,5,6,7 or 8 described a kind of anti-tensions.
10, the drill chuck of a kind of anti-tension as claimed in claim 9 is characterized in that described elastic washer is a wave-shaped ring.
11,, it is characterized in that the rear end of described drill chuck is provided with fixed cover as the drill chuck of claim 1,2,3,4,5,6,7 or 8 described a kind of anti-tensions.
12, as the drill chuck of claim 1,2,3,4,5,6,7 or 8 described a kind of anti-tensions, the rear end that it is characterized in that collet body is provided with from locking element, the side of connector is corresponding to being provided with and the serrate slot that cooperates from locking element from the locking element place, the rear end of described drill chuck also is provided with overcoat, and outer casing inner wall is provided with the configuration of control from locking element.
13, the drill chuck of a kind of anti-tension as claimed in claim 12, it is characterized in that described is rotating ratchet from locking element, the rear end of collet body has breach, described ratchet is in the breach, in the breach of collet body, also be provided with the spring leaf that acts on from locking element, the set control self-locking element configurations of outer casing inner wall is the outer casing inner wall of groove and side thereof, described spring leaf is provided with outside projection, described outer casing inner wall is provided with the groove that cooperates with described projection, and described spring leaf is rotating spring leaf; Described adapter sleeve is provided with the retainer spring sheet of overcoat, the described outer detent that cooperates with retainer spring that is arranged with.
14, the drill chuck of a kind of anti-tension as claimed in claim 12 is characterized in that described collet body is connected by connecting pin with adapter sleeve, the described outer transposition groove that cooperates with connecting pin that is arranged with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620141234 CN200991770Y (en) | 2006-12-19 | 2006-12-19 | Anti-over-tight drill clip-head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620141234 CN200991770Y (en) | 2006-12-19 | 2006-12-19 | Anti-over-tight drill clip-head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200991770Y true CN200991770Y (en) | 2007-12-19 |
Family
ID=38944848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620141234 Expired - Fee Related CN200991770Y (en) | 2006-12-19 | 2006-12-19 | Anti-over-tight drill clip-head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200991770Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075599A1 (en) * | 2011-11-22 | 2013-05-30 | 浙江三鸥机械股份有限公司 | Antilock inner cone drill chuck |
-
2006
- 2006-12-19 CN CN 200620141234 patent/CN200991770Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075599A1 (en) * | 2011-11-22 | 2013-05-30 | 浙江三鸥机械股份有限公司 | Antilock inner cone drill chuck |
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| 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 |