CN201405094Y - Suspension type wrenching gun drill chuck with handle - Google Patents
Suspension type wrenching gun drill chuck with handle Download PDFInfo
- Publication number
- CN201405094Y CN201405094Y CN2009200072362U CN200920007236U CN201405094Y CN 201405094 Y CN201405094 Y CN 201405094Y CN 2009200072362 U CN2009200072362 U CN 2009200072362U CN 200920007236 U CN200920007236 U CN 200920007236U CN 201405094 Y CN201405094 Y CN 201405094Y
- Authority
- CN
- China
- Prior art keywords
- collet body
- drill
- drill chuck
- chuck
- circular hole
- 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
Images
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model relates to a handheld gun drill chuck, in particular to a suspension type wrenching gun drill chuck with a handle, which comprises a chuck body, clamping pieces inserted into the chuck body, and an inner cone nut, a front shell, a rear shell and a fixed ring which are in threaded fit at the upper part of the clamping pieces; the drill chuck is characterized in that the central hole of the chuck body is extended backward to form a tubular protrusion part along the tubular wall of the hole, the external diameter of the protrusion part is provided with two symmetrical planes which are matched with two planes of the inner hole in the rear shell, so not only the chuck body and the rear shell can relatively move, but also the chuck body can be driven to rotate by wrenching therear shell. The rear end of the protrusion part is provided with a cross notch which is matched with the cross raised key on the main axis of a gun drill. The inside of the rear shell is provided witha locking mechanism which is matched with an arc groove on the main axis of the gun drill. The mechanism comprises a spring which is nested in the rear part of the chuck body, a locking sleeve connected with the rear shell, a circular hole arranged on the wall of the rear part of the chuck body and a steel ball in the circular hole. The utility model maintains the original function of the drill chuck, and is a drill chuck which can be firmly connected with the main axis of the gun drill and can also be conveniently separated from the main axis of the drill gun.
Description
Technical field
The utility model relates to a kind of hand-held drill gun drill chuck.Especially one and kept the original clamping drill bit of drill chuck function, other has a kind of drill chuck that can be installed to the function on the drill gun on the drill chuck exchange apparatus again at any time easily that is suspended on.Special still be connected firmly with the drill gun main shaft and can with the convenient drill gun chuck of throwing off of drill gun main shaft.
Background technology
Existing drill gun drill chuck can only be fixed on single use on the main shaft of drill gun, and not having to satisfy can be for being suspended on the drill chuck exchange apparatus so that the requirement of transposing drilling tool to be provided as required.Therefore every transposing drill bit must be dismantled and clamping again, results in hand cramps to operation.Even when work high above the ground,, the transposing drill bit leads to a disaster owing to falling down accidentally and with drill bit.People attempt to design and a kind ofly can hang the drill chuck that clips drill bit more than two on a drill gun, can select of any appropriate to be installed on the main shaft of drill gun, and can make things convenient for rotation to be hung with the drill gun of the drill chuck exchange apparatus of two above drill chucks at any time with the transposing drill chuck.Designing the problem that such drill gun at first will solve is to design successfully a kind of drill chuck that is suspended on the drill chuck exchange apparatus.Can provide so just that the user selects, rotary drilling chuck exchange apparatus, and then the drill chuck that this is being hung, be fit to is installed on the drill gun.The applicant has design to drill gun drill chuck exchange apparatus and the drill chuck with above performance, and has applied for patent.But also there is further perfect place in former scheme., defectives such as part many, cost height too complicated as locking mechanism.
Summary of the invention
The purpose of the utility model is to disclose a kind of original clamping drill bit of drill chuck function that both kept to society, can be suspended on the drill chuck exchange apparatus again, also can be installed on the drill gun at any time easily, drill chuck is connected and throws off drill chuck easily with drill gun.
It is such that the utility model solves the technical scheme that above technical problem takes:
A kind of drill gun band handle drill chuck, comprise, the front portion is provided with the collet body of three inclined holes, rear portion band medium pore, insert three pinches in anterior three inclined holes of collet body, interior flare nut with pinch top threaded engagement, be inserted in the collet body rear portion, with the tight cover of interior flare nut and interior flare nut is embedded in band edge tooth procapsid in the groove of collet body, the retainer plate of the back casing at procapsid rear portion and back casing back; It is characterized in that the medium pore of collet body extends back into the protuberance of tubulose along the tubulose hole wall, the rear portion that tubulose is vacated portion is provided with Wai Kequan.The rear end of described tubulose protuberance is provided with " ten " font breach, should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft.Be provided with a locking mechanism that cooperates with arc groove on the main shaft in the described back casing.
The described locking mechanism that cooperates with arc groove on the main shaft comprises, be inserted in collet body rear portion, a crown coil tension spring at the back casing end face, be inserted in collet body rear portion and collet body locking cover, two circular holes leaving on the collet body rear tubular wall and be arranged on the interior steel ball that cooperates with circular hole of circular hole to live and to cooperate, link to each other with back casing.
The circular hole that is provided with on the described collet body is the torus that shrinks to the collet body inwall from the collet body outer wall, the diameter of the diameter＞steel ball of the circular hole at the outer wall place of collet body rear tubular is near the diameter of the diameter＜steel ball of the one section circular hole in inwall place of collet body rear tubular.The height of the height of circular hole＜two diameter of the steel ball.
For further optimize the technical solution of the utility model adopt with measure be:
The rear portion of described collet body tubulose protuberance is provided with Wai Kequan, between the end face of outer gram circle and back casing bigger gap is arranged.
The rotation-preventing mechanism that is provided with between lock sleeve that described back casing links to each other and the collet body, the technical scheme of taking now is to make two symmetrical relatively parallel planes to cooperate with two opposing parallel planes on the collet body tubulose protuberance external diameter in the lock sleeve endoporus, and can push away many relatively flexibly.
Owing to taked above-mentioned technical measures, compared with prior art its advantage is:
Because the medium pore of the chuck full powers of drill chuck is along the extend back protuberance of tubulose of tubulose hole wall, the rear portion of tubulose protuberance is provided with Wai Kequan, and drill chuck just can cooperate with the runing rest of drill chuck exchange apparatus like this.The utility model drill chuck is packed into behind the runing rest, is blocked by the Wai Kequan that is located at tubulose protuberance rear portion again, drill chuck is hung and can not fall down.
Because be provided with a locking mechanism that cooperates with arc groove on the main shaft in the back casing, this locking mechanism makes drill gun beat what a Kong Hougeng and pulls out in the hole stably.
Because the function of the lock sleeve rotation-preventing mechanism that back casing links to each other has been brought convenience to mounting or dismounting drill bit and the disengagement or the connection of drill chuck on the drill gun main shaft on the drill chuck.
Because " ten " font breach is established in the rear end of drill chuck tubulose protuberance, should " ten " font breach match with the protruding key of " ten " font on the drill gun main shaft, drill chuck can firmly be connected by the drill gun main shaft and be driven.
Description of drawings
Fig. 1 is the utility model embodiment overall structure schematic diagram;
Fig. 2 is Figure 1A-A profile;
Fig. 3 is Figure 1B-B profile;
The schematic diagram that Fig. 4 can match with " ten " font breach of the utility model embodiment drill chuck tubulose protuberance rear end for " ten " font groove on the drill gun main shaft and the anterior arc groove of main shaft can cooperate with the locking mechanism on the drill chuck.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment is a suspension type wrench band handle drill chuck (Fig. 1).Suspension type wrench band handle drill chuck is worn handle behind collet body.Collet body 2 front portions are provided with three inclined holes, rear portion band medium pore.Three pinches 1 insert in anterior three inclined holes of collet body.With pinch top threaded engagement be interior flare nut 3.Be inserted in collet body 2 rear portions, with interior flare nut 3 tight covers and interior flare nut is embedded in is band edge tooth procapsid 4 in the groove of collet body 2.The procapsid rear portion is a back casing 7.The retainer plate 8 of back casing back blocks back casing.It is characterized in that the medium pore of collet body 2 extends back into the protuberance 22 of tubulose along the tubulose hole wall, the rear portion of tubulose protuberance 22 is provided with outer gram circle 10.The rear end of tubulose protuberance 22 is provided with " ten " font breach 21, should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft.Also be provided with the locking mechanism that cooperates with arc groove on the main shaft in the back casing.
The described locking mechanism that cooperates with arc groove on the main shaft comprises, be inserted in the coil tension spring 6 (Fig. 1) of collet body rear portion, crown plates behind back casing 7, be inserted in the locking that collet body rear portion and collet body cooperate, link to each other with back casing 7 to live and overlap 71 (Fig. 2, Fig. 1), of leaving on the collet body 2 rear tubular walls is with the circular hole of first-class radian setting and be arranged on the steel ball 9 that cooperates with circular hole in the circular hole.The circular hole that is provided with on the collet body rear tubular wall is the torus that shrinks to the collet body inwall from the collet body outer wall, the diameter of the diameter 〉=steel ball 9 of the circular hole at the outer wall place of collet body 2 rear tubular is near the diameter of the diameter＜steel ball at one section at the inwall place at collet body rear portion.So, make steel ball 9 put into or to squeeze back, protrude at the inwall place of collet body from the outer wall of collet body.When protrude at collet body inwall place, be stuck in the arc groove of drill gun main shaft drill chuck is fixed on the main shaft.
Leave big gap between outer gram circle 10 and back casing end face.This gap is the position that the drill gun runing rest is installed.
When the wrench drill chuck is prepared to be contained in when hanging in the corresponding hole, to restrain circle 8 earlier outward pulls down, take down putting aside simultaneously, at this moment the rear portion of suspension type wrench band handle drill chuck is inserted in the corresponding suppending hole of drill chuck exchange apparatus (not drawing), outer gram circle 10 is loaded onto blocked then.
In the time of on suspension wrench band handle drill chuck is packed drill gun into, drive locking cover 71 with second-hand sensing external compression back casing 7, the drill gun main shaft gives prominence to steel ball 9 extruding at drill chuck inwall (Fig. 1), when steel ball 9 moves only in the arc groove of drill gun main shaft front portion, under the effect of spring 6, force clamp ring 71 to be moved in the opposite direction, force steel ball to be squeezed in the arc groove, so drill chuck firmly is connected on the drill gun.Equally, when need transposing drill chuck, as long as back casing 7 is pushed away forward, locking cover 71 simultaneously forward.At this moment, can slide to drill chuck outer wall place owing to steel ball 9.Steel ball 9 does not exist at the ledge at drill chuck inwall place, and drill chuck and drill gun can easily break away from.It below promptly is the effect of locking mechanism.
Because back casing inside need be provided with locking mechanism, the activity of back cover physical efficiency.Thing followed problem is that back casing can rotate during drill bit in transposing after the back casing activity, and this is not opened this and closes and do not conform to make pinch, tears drill bit open to peace and makes troubles.The back casing rotation-preventing mechanism has solved this problem.Be provided with two planes of opposing parallel in clamp ring 71 endoporus that back casing 7 links to each other and become loose fit with two planes of opposing parallel on the collet body 2 tubulose protuberance external diameters, thereby make the back casing 7 can be at collet body 2 rear portion outside journal axles to promotion, can drive collet body 2 again and rotate simultaneously, the wrench problem that clips drilling tool has just solved like this.
Above structure is connected " ten " font breach that the rear end of drill chuck rear tubular protuberance is provided with and the protruding key of " ten " font on the drill gun main shaft can more successfully operate enforcement.
Claims (6)
1, a kind of drill gun suspension type wrench band handle drill chuck, comprise, the front portion is provided with the collet body (2) of three inclined holes, rear portion band medium pore, insert three pinches (1) in anterior three inclined holes of collet body, be inserted in collet body (2) rear portion, interior flare nut (3) is tightly overlapped and interior flare nut be embedded in procapsid (4) in the groove of collet body (2), the retainer plate (8) of back casing at procapsid rear portion (7) and back casing back with the interior flare nut (3) of pinch top threaded engagement; It is characterized in that the medium pore of collet body (2) extends back into the protuberance (22) of tubulose along the tubulose hole wall, the rear portion of tubulose protuberance (22) is provided with Wai Kequan (10); The rear end of described tubulose protuberance (22) is provided with " ten " font breach (21), should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft; Be provided with a locking mechanism that cooperates with arc groove on the drill gun main shaft in the described back casing.
2, drill gun suspension type wrench band handle drill chuck according to claim 1, it is characterized in that, the described locking mechanism that cooperates with arc groove on the drill gun main shaft comprises, be inserted in collet body rear portion, a crown spring (6) at back casing (7) end face, be inserted in collet body rear portion and the collet body locking cover (71) to live and to cooperate, link to each other with back casing, of leaving on collet body (2) the rear tubular wall is with the circular hole of first-class radian setting and be arranged on the steel ball (9) that cooperates with circular hole in the circular hole.
3, drill gun suspension type wrench band handle drill chuck according to claim 2, it is characterized in that, the circular hole that is provided with on the described collet body is the symmetrical arc ring body that shrinks to the collet body inwall from the collet body outer wall, the diameter of the diameter 〉=steel ball (9) of the circular hole at the outer wall place of collet body (2) rear tubular, the diameter of the diameter＜steel ball of the circular hole that the inwall place of the collet body that furthers (2) rear tubular is a section.
4, drill gun suspension type wrench band handle drill chuck according to claim 2 is characterized in that, the steel ball (9) in the circular hole at the outer wall place of collet body (2) rear tubular, and the steel ball (9) in its each hole can be more than one.
5, drill gun suspension type wrench band handle drill chuck according to claim 1 is characterized in that, has the plane of two symmetries to match with two pairs of planes on collet body (2) tubulose protuberance (22) external diameter in the described back casing endoporus, moves to cooperate.
6, drill gun suspension type wrench band handle drill chuck according to claim 1 is characterized in that, is provided with Wai Kequan (10) behind the protuberance (22) of collet body (2) rear tubular, and Wai Kequan (10) has big gap with back casing (7) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200072362U CN201405094Y (en) | 2009-01-21 | 2009-01-21 | Suspension type wrenching gun drill chuck with handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200072362U CN201405094Y (en) | 2009-01-21 | 2009-01-21 | Suspension type wrenching gun drill chuck with handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405094Y true CN201405094Y (en) | 2010-02-17 |
Family
ID=41676016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200072362U Expired - Fee Related CN201405094Y (en) | 2009-01-21 | 2009-01-21 | Suspension type wrenching gun drill chuck with handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405094Y (en) |
-
2009
- 2009-01-21 CN CN2009200072362U patent/CN201405094Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206453861U (en) | Clamp structure for dentistry low speed mobile phone | |
| CN201405094Y (en) | Suspension type wrenching gun drill chuck with handle | |
| CN201264105Y (en) | Drill chuck with handle of gun drill | |
| CN201405082Y (en) | Suspension type hand tight gun drill chuck with handle | |
| CN201410573Y (en) | Suspended wrench drill chuck with handle of gun drill | |
| CN201211670Y (en) | Synthetic electrical insulator R shaped connecting pin removers | |
| CN206632748U (en) | Rotary Scrap-removing machine | |
| CN202684866U (en) | Quick-change chuck | |
| CN201304508Y (en) | Shanked drill chuck of a gun drill | |
| CN201120478Y (en) | Gun drill clamping head | |
| CN106141994A (en) | A kind of bearing extractor | |
| CN201664767U (en) | Gun drill suspended type drill chuck with wrench handle connected externally | |
| CN208821028U (en) | A kind of multimedia earphone convenient for changing harness length | |
| CN205944602U (en) | Only need anti -drop type socket of button | |
| CN206623053U (en) | A kind of full-automatic on-off electric hammer drill | |
| CN201744677U (en) | Suspended type spanner handle inner connection drill clamp head of gun drill | |
| CN201949117U (en) | Quick-change handle | |
| CN103072107A (en) | Screw fastening sleeve | |
| CN202894430U (en) | Improvement of back shell of suspension-type externally-connected tightening drill chuck with handle | |
| CN206645709U (en) | A kind of road and bridge construction is with the suspending hook quickly connected | |
| CN209244510U (en) | A kind of reamer of hole inside reaming | |
| CN207547713U (en) | A kind of electric drill with manual lock | |
| CN206568059U (en) | A kind of circle shear retaining ring extracting tool | |
| CN215093229U (en) | Special tool for disassembling stop valve core limiting ring | |
| CN211043297U (en) | Wall hanging mechanism of air detector |
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: 20100217 Termination date: 20110121 |