CN201264105Y - Drill chuck with handle of gun drill - Google Patents
Drill chuck with handle of gun drill Download PDFInfo
- Publication number
- CN201264105Y CN201264105Y CNU200720187077XU CN200720187077U CN201264105Y CN 201264105 Y CN201264105 Y CN 201264105Y CN U200720187077X U CNU200720187077X U CN U200720187077XU CN 200720187077 U CN200720187077 U CN 200720187077U CN 201264105 Y CN201264105 Y CN 201264105Y
- Authority
- CN
- China
- Prior art keywords
- collet body
- drill
- circular hole
- main shaft
- chuck
- 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 And Boring (AREA)
Abstract
The utility model relates to a drill chuck of a drill gun. A shank type drill chuck of the drill gun comprises a chuck body, feet inserting into the chuck body, inner cone nuts matching with threads at the upper parts of the feet, a front shell, a rear shell and a fixed ring. The shank type drill shuck is characterized in that a center hole of the chuck body backwards extends to be a tubular protruding part along the tubular hole wall, and the rear part of the protruding part is provided with an external retaining ring; and the rear end of the protruding part is provided with a cross gap matching with a cross protruding key on a drill gun main shaft. The rear shell is internally provided with a locking mechanism matching with an arc groove on the main shaft. The locking mechanism comprises a coil tension spring sleeved in the rear part of the chuck body, a locking sleeve, circular holes on the wall at the rear part of the chuck body, and steel balls in the circular holes. A rear shell rotating-preventing mechanism is arranged between the locking sleeve and the chuck body, and comprises a circular hole arranged on the locking sleeve, a vertical groove on the chuck body, and pin keys arranged in the circular hole of the locking sleeve and the groove. The utility model keeps the original function of the drill chuck, is firmly connected with the drill gun main shaft, and can be conveniently separated from the drill gun main shaft.
Description
Technical field
The utility model relates to a kind of drill gun drill chuck.Especially a kind of original clamping drill bit of drill chuck function that kept, 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 drill 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.As, former drill gun drill chuck exchange apparatus can be with two above drill chucks, directly changes the purpose that the drill chuck that needs reaches the transposing drill bit without the dismounting drill bit by rotary drilling chuck exchange apparatus.Especially in work high above the ground, use this drill gun to feel very handy.But the defective that exists is, when what a hole drill gun was beaten drill gun is pulled out, pulling force was bigger to the connecting portion impulsive force of drill chuck exchange apparatus and drill gun.Also bigger to frictional force between the runing rest of drill chuck and drill chuck exchange apparatus.Address this problem, must open back casing and clutch is set in back casing inside.But 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.
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 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 of tubulose protuberance 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 the coil tension spring of collet body rear portion, crown plate behind back casing (5), be inserted in collet body rear portion and the collet body locking cover to live and to cooperate, be connected with the back casing close-fitting, three of leaving on the collet body rear tubular wall are with the circular hole of first-class radian setting and be arranged on the steel ball that cooperates with circular hole in the circular hole.
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 measure of taking for further optimization the technical solution of the utility model is:
Described outer Ke Quan establishes plane bearing in the front, establishes pad before and after the plane bearing, leaves the gap between anterior pad and housing rear wall, and outer gram circle blocks pad before and after the plane bearing.
The back casing rotation-preventing mechanism that is provided with between described locking cover and the collet body comprises, the circular hole that locking puts out, the longitudinal fluting of offering on the collet body and be pressed into locking and put in the circular hole of offering, be stuck in the pin key in the groove of offering on the collet body.
Owing to taked above-mentioned technical measures, compared with prior art its advantage is:
Because the medium pore of the collet body of drill chuck extends back into the protuberance of tubulose along the 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 back casing rotation-preventing mechanism has been brought convenience to mounting or dismounting drill bit on the drill chuck.
Because outer gram circle is established at the rear portion of drill chuck tubulose protuberance, outer Ke Quan establishes plane bearing in the front, establish pad before and after the plane bearing, drilling tool can be suspended on the drilling tool installing hole of runing rest, and when drill gun punching being finished drilling tool pulled out outward, reduce the frictional force between the drilling tool installing hole end face on drilling tool drill chuck and pad and the runing rest.
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, make drill chuck and drill gun main shaft be connected and break away from convenient.
Description of drawings
Fig. 1 is the utility model embodiment 1 overall structure schematic diagram;
Fig. 2 is the utility model embodiment 2 overall structure schematic diagrames;
Fig. 3 is Figure 1A-A profile;
Fig. 4 is Figure 1B-B profile;
The schematic diagram that Fig. 5 can match with " ten " font breach of the utility model embodiment drill chuck tubulose protuberance rear end for the protruding key of " ten " font 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 1
Embodiment 1 is wrench drill chuck (Fig. 1).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 procapsid (band gear ring procapsid) 4 in the groove of collet body 2.The procapsid rear portion is a back casing 5.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 12.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 5, be inserted in the locking that collet body rear portion and collet body cooperate, be connected with back casing 5 close-fittings to live and overlap 13 (Fig. 3, Fig. 1), three of leaving on the collet body 2 rear tubular walls are with the circular hole 202 of first-class radian setting and be arranged on the steel ball 14 that cooperates with circular hole in the circular hole.The circular hole 202 that is provided with on the collet body rear tubular wall is the torus that shrink to the collet body inwall from the collet body outer wall, the diameter of the diameter 〉=steel ball 14 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 14 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.
Plane bearing 10 is established in outer gram circle 12 fronts, and pad 9,11 is established in plane bearing 10 front and back, leaves the gap between anterior pad 9 and housing rear wall.This gap is the position that the drill gun runing rest is installed.Outer gram circle 12 blocks plane bearing 10 front and back pads 9,11.
Be provided with the back casing rotation-preventing mechanism between locking cover 13 and the collet body 2, this rotation-preventing mechanism comprises, the circular hole 131 that puts out of locking, the longitudinal fluting of offering on the collet body 201 and be pressed into locking and put in the circular hole of offering, be stuck in the pin key 7 in the longitudinal fluting of offering on the collet body.
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, and bearing 6, pad 5,7, take down and put aside simultaneously, at this moment the rear portion of wrench drill chuck is inserted in the corresponding suppending hole of drill chuck exchange apparatus (not drawing), and then bearing 6, pad 5,7, be enclosed within collet body 2 rear portions successively and extend back into along medium pore tubulose hole wall on the external diameter of protuberance 22 of tubulose, load onto outer gram circle 8 at last and block.
In the time of on band handle drill chuck is packed drill gun into, coil tension spring 6 elongations of drill chuck locking mechanism, locking cover 13 gives prominence to 14 extruding of three steel balls at drill chuck inwall (Fig. 1), and steel ball 14 just in time is stuck in the arc groove of drill gun main shaft front portion, and drill chuck firmly is connected on the drill gun.Equally, also just because of be this reason,, in the time of drill gun need being extracted with drill chuck, can pull out at an easy rate with the drill chuck that drill gun firmly links together when having beaten a hole.Parts to the drill chuck replacing mechanism have played protective effect.When need transposing drill chuck, as long as back casing 5 is drawn forward, locking cover 13 simultaneously forward.At this moment, can slide to drill chuck outer wall place owing to steel ball 14.Steel ball 14 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.Pin key 7 in the groove of offering on the collet body 201 is stuck in the groove 201, and pin key 7 can slide up and down in groove 201 and not influence about the locking cover, and just the locking cover can not rotate.The locking cover can not rotational problems be readily solved.
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.
Embodiment 2 (Fig. 2) belongs to hand fastening drill clutch.Embodiment 2 compare with embodiment 1 do not exist together be embodiment 2 with turn shell body 4 ' drive in flare nut 3, force pinch to do telescopic moving (clamp or loosen).Frictional force in order to reduce to turn is provided with a plane bearing 15 near interior flare nut 3 back in the prior art.Its other structure is identical with embodiment 1 with operation principle.
Claims (5)
1, a kind of drill gun 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, interior flare nut (3) with pinch top threaded engagement, be inserted in collet body (2) rear portion, interior flare nut (3) is tightly overlapped and interior flare nut be embedded in the procapsid (4) in the groove of collet body (2), the retainer plate (8) of back casing at procapsid rear portion (5) and back casing back; 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 (12); 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 main shaft in the described back casing.
2, drill gun band handle drill chuck according to claim 1, it is characterized in that, the described locking mechanism that cooperates with arc groove on the main shaft comprises, be inserted in the coil tension spring (6) of collet body rear portion, crown plate behind back casing (5), be inserted in collet body rear portion and the collet body locking cover (13) to live and to cooperate, is connected with back casing (5) close-fitting, three of leaving on collet body (2) the rear tubular wall are with the circular hole (202) of first-class radian setting and be arranged on the interior steel ball (14) that cooperates with circular hole of circular hole.
3, drill gun 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 torus that shrinks to the collet body inwall from the collet body outer wall, the diameter of the diameter 〉=steel ball (14) of the circular hole at the outer wall place of collet body (2) rear tubular is near the diameter of the diameter＜steel ball of the circular hole at one section at the inwall place of collet body (2) rear tubular.
4, drill gun band handle drill chuck according to claim 1, it is characterized in that, plane bearing (10) is established in described outer gram circle (12) front, establish pad (9,11) before and after the plane bearing (10), leave the gap between anterior pad (9) and housing rear wall, Wai Kequan (12) blocks pad (9,11) before and after the plane bearing (10).
5, drill gun band handle drill chuck according to claim 2, it is characterized in that, the back casing rotation-preventing mechanism that is provided with between described locking cover (13) and the collet body (2) comprises, the circular hole (131) that puts out of locking, the longitudinal fluting of offering on the collet body (201) and being pressed into lock and put in the circular hole of offering, are stuck in the pin key (7) in the groove of offering on the collet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720187077XU CN201264105Y (en) | 2007-12-26 | 2007-12-26 | Drill chuck with handle of gun drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720187077XU CN201264105Y (en) | 2007-12-26 | 2007-12-26 | Drill chuck with handle of gun drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201264105Y true CN201264105Y (en) | 2009-07-01 |
Family
ID=40830453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720187077XU Expired - Fee Related CN201264105Y (en) | 2007-12-26 | 2007-12-26 | Drill chuck with handle of gun drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201264105Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248192A (en) * | 2010-05-21 | 2011-11-23 | 苏州宝时得电动工具有限公司 | Collet |
| CN114042949A (en) * | 2017-05-26 | 2022-02-15 | 莱维克龙有限公司 | Clamping device, rotating or positioning device and method for extracting rotating shaft from rotating or positioning device |
-
2007
- 2007-12-26 CN CNU200720187077XU patent/CN201264105Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248192A (en) * | 2010-05-21 | 2011-11-23 | 苏州宝时得电动工具有限公司 | Collet |
| CN102248192B (en) * | 2010-05-21 | 2014-04-16 | 苏州宝时得电动工具有限公司 | Collet |
| CN114042949A (en) * | 2017-05-26 | 2022-02-15 | 莱维克龙有限公司 | Clamping device, rotating or positioning device and method for extracting rotating shaft from rotating or positioning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110725337B (en) | Town road inspection shaft with protector | |
| CN201264105Y (en) | Drill chuck with handle of gun drill | |
| CN201211670Y (en) | Synthetic electrical insulator R shaped connecting pin removers | |
| CN201405094Y (en) | Suspension type wrenching gun drill chuck with handle | |
| CN201405082Y (en) | Suspension type hand tight gun drill chuck with handle | |
| CN201410573Y (en) | Suspended wrench drill chuck with handle of gun drill | |
| CN202684866U (en) | Quick-change chuck | |
| CN201304508Y (en) | Shanked drill chuck of a gun drill | |
| CN201120478Y (en) | Gun drill clamping head | |
| CN206623053U (en) | A kind of full-automatic on-off electric hammer drill | |
| CN201664767U (en) | Gun drill suspended type drill chuck with wrench handle connected externally | |
| CN205944602U (en) | Only need anti -drop type socket of button | |
| CN206937251U (en) | Six side tripartite's handle instrument quick chucks | |
| CN201744677U (en) | Suspended type spanner handle inner connection drill clamp head of gun drill | |
| CN201565889U (en) | Portable multi-specification interchangeable screw driver | |
| CN217437616U (en) | Band-type brake braking device with electromagnetic performance | |
| CN206228278U (en) | A kind of toilet paper holder with the disconnected paper function of one hand | |
| CN207547713U (en) | A kind of electric drill with manual lock | |
| CN205614592U (en) | Screw extractor | |
| CN203171037U (en) | Suspended single-fastener projected-key inner-connected keyless drill chuck | |
| CN218121456U (en) | Portable crushing sampler for rock and soil exploration | |
| CN217625092U (en) | Electric drill accessory placing box | |
| CN201940931U (en) | Chuck clip wrench | |
| CN202894430U (en) | Improvement of back shell of suspension-type externally-connected tightening drill chuck with handle | |
| CN213714095U (en) | Quick-pull-open type baton sleeve |
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: 20090701 Termination date: 20100126 |