CN201906848U - Gun drill hanging-type hand-tight internal connecting drill chuck with handle - Google Patents
Gun drill hanging-type hand-tight internal connecting drill chuck with handle Download PDFInfo
- Publication number
- CN201906848U CN201906848U CN2011200148316U CN201120014831U CN201906848U CN 201906848 U CN201906848 U CN 201906848U CN 2011200148316 U CN2011200148316 U CN 2011200148316U CN 201120014831 U CN201120014831 U CN 201120014831U CN 201906848 U CN201906848 U CN 201906848U
- Authority
- CN
- China
- Prior art keywords
- drill
- hole
- collet body
- chuck
- rear portion
- 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 gun drill handheld drill chuck. A gun drill hanging-type hand-tight internal connecting drill chuck with a handle comprises a chuck body, a clamping pin which is plugged into the chuck body, an inner flare nut which is matched with the upper part of the clamping pin in a threading way, a front shell body, a rear shell body which is arranged behind the front shell body, a front retainer ring which wards off a rear shell, and a drill handle which is arranged on the outer diameter on the rear part of the chuck body between the front retainer ring and a rear retainer ring and is used for hanging. The inner end of a central hole on the rear part of the chuck body is provided with a pivot bracket which can be matched with a cross-shaped notch on the front part of a gun drill main shaft, so the gun drill main shaft can conveniently drive the chuck body to rotate. The gun drill hanging-type hand-tight internal connecting drill chuck is characterized in that: a locking stage which is arranged on the wall of an inner hole of the rear shell body, a through hole on the rear part of the chuck body and balls inside the through hole form a locking mechanism, and the rear shell body is formed in a punching stretching molding way, so the complicated mechanical processing is simplified, the structure is reasonable, the construction cost is low, and mass production by utilizing the punching equipment can be facilitated.
Description
Technical field
The utility model relates to a kind of drill chuck of hand-held drill gun, especially a kind of original clamping drill bit of drill chuck function that kept, again can be for hanging on the conversion support on the The Multicipital Rifle Drill, conversion is selected to use then, connects or throws off hand-tight easily band handle and connect drill chuck outward.
Background technology
Existing drill gun drill chuck, can only be fixed on single use on the main shaft of drill gun, do not have to satisfy can on the drilling tool conversion equipment that is suspended on The Multicipital Rifle Drill so that the requirement of transposing drilling tool to be provided as required, therefore every transposing drill bit must be dismantled clamping more again, result in hand cramps for people's 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, must make for this reason and a kind ofly both can on the drilling tool conversion equipment, hang, again can be easy to operate, cheap drill chuck.
Summary of the invention
The utility model had both kept the clamping function of original drill chuck, can be suspended on again when being made for industry on the drilling tool conversion support of The Multicipital Rifle Drill to select conversion to use, and connection rational in infrastructure, it is convenient to throw off.
It is such that the utility model solves the technical scheme that above technical problem takes:
Comprise that the front portion is provided with three inclined holes, the rear portion is shaped on the collet body of 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 back casing of procapsid back, back casing is blocked by preceding back-up ring, be inlaid on the external diameter of collet body rear portion preceding back-up ring and the back back-up ring middle standoff distance be drillstock, the inner end, hole of described medium pore is provided with lateral pin and can matches with " ten " word breach of drill gun main shaft front portion.Be shaped on the locking step that is high and low shape on the described back casing inner hole wall, through hole that communicates with collet body rear portion external diameter to medium pore and the steel ball in the through hole are formed locking mechanism; On the described back casing endoporus wall, also be shaped on half slot, half slot is embedded with the exposed steel ball of the part that is installed in the external diameter counterbore of collet body rear portion, back casing utilizes half slot to pass on the external diameter of collet body rear portion along steel ball, the back casing drive locking step of passing is pushed steel ball and is moved in through hole, step leaves the space when a high position, be pressed against the position, space under the drill gun main shaft pushing tow of steel ball this moment in medium pore, the low level of step that sets back under the spring action of passing at end face that stops back casing is simultaneously pushed steel ball again and is moved in through hole, if by chance run into the groove on the drill gun main shaft, steel ball embeds groove, and whole drill chuck no longer moves axially locked.Half slot on the back casing endoporus wall can also be in counterbore steel ball drive collet body and rotate, make three pinches being installed in anterior three inclined holes of collet body under the guiding that changes into do telescopic moving under the effect of interior flare nut at inclined hole clamping radially or unclamp.
The optimisation technique measure
Above-mentioned collet body is shaped on the through hole that communicates from external diameter to medium pore, be placed with steel ball in the through hole, the diameter of through hole is greater than diameter of the steel ball, but near the diameter of medium pore wall less than diameter of the steel ball, its objective is to make steel ball have part can expose on hole wall, can't fall down.
Above-mentioned procapsid end face is provided with spring, is convenient to back casing and can resets certainly after passing.
Above-mentioned back casing adopts punching stretch forming, has simplified the locking step that is high and low shape on the endoporus wall and the former manufacturing process of half slot.
The utility model has been simplified the complicated mechanical processing technology owing to adopt back casing punching press, drawing and forming, and rational in infrastructure, and cost is with low cost, but utilizes the existing equipment mass production of our factory.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model example structure cutaway view
Fig. 2 is the schematic diagram of drill gun main shaft.
Fig. 3 is an A-A cutaway view among Fig. 1.
Fig. 4 is a B-B cutaway view among Fig. 1.
Structure of the present utility model is seen Fig. 1 to shown in Figure 4, illustration: pinch 1, collet body 2, counterbore 201, through hole 202, lateral pin 21, medium pore 22, interior flare nut 3, procapsid 4, back casing 5, half slot 501, locking step 502, spring 6, steel ball 7, preceding ring washer 8, wear-resistant gasket 9, wear-resistant gasket 10, back ring washer 11, steel ball 12.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Ring washer 8 and back back-up ring 11 before collet body of the present utility model (2) rear portion external diameter is embedded with, the collet body external diameter of standoff distance is a drillstock between preceding back-up ring and the back back-up ring, dismounting back back-up ring, drillstock is sleeved in the suppending hole, and then back-up ring after loading onto, be implemented on the conversion equipment and hang, select to use for conversion.Collet body 2 front portions are shaped on three inclined holes, be provided with three threaded pinches 1 in the inclined hole, force collet body to rotate when rotating back casing through the steel ball 7 that half slot 501 drives in the counterbore 201, also drive simultaneously three pinches in anterior three inclined holes of collet body, three pinches synchronization telescope under the effect of interior flare nut (3) moves and becomes dilating or shrink radially, and then reaches the purpose that clamps or unclamp drill bit.
Back casing 5 is except realizing driving the rotation of collet body 2, and can on the external diameter at collet body rear portion, do axially to pass along exposed steel ball 7 on the counterbore 201, realize the locking action of locking step, aiming at the drill gun main shafts when the medium pore 22 of this drill chuck advances inwards with hand back casing 5 to be passed forward simultaneously and ends terminal point, at this moment this leaves space 502 in a high position to steel ball 12 tops in the collet body rear through hole 202 because of locking step 502, because the propelling inwards of drill gun main shaft, the front-end of spindle pushing tow exposes the steel ball 12 on central hole wall, force steel ball to move in the space upward, so the drill gun main shaft continues to advance inwards behind the pushing tow steel ball, " ten " word breach until drill gun main shaft front portion matches with the lateral pin of medium pore inner end, decontrol the passing of hand thus simultaneously to back casing, low level extruding steel ball from the locking step that resets under the effect of spring is got back in the hole, and embed at the other end and lockedly in the drill gun main shaft groove no longer to move axially, Push switch just can be driven operation, otherwise can dismantle on the main shaft.
Claims (2)
1. connect drill chuck in the hand-tight band handle of drill gun suspension type, 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 procapsid (4) in the groove of collet body (2), back casing of procapsid back (5) and back casing back are blocked by preceding back-up ring; Being inlaid in the preceding back-up ring (8) of collet body rear portion external diameter and the middle standoff distance of back back-up ring (11) is drillstock; The collet body rear portion is shaped on medium pore (22), described medium pore (22) inner end is provided with lateral pin (21) and can matches with " ten " word breach of drill gun main shaft front portion, it is characterized in that being shaped on the locking step (502) that is high and low shape on the back casing hole wall of described employing punching stretch forming, and through hole (202) and the steel ball (12) in the through hole that collet body rear portion external diameter communicates to medium pore are formed locking mechanism.
2. connect drill chuck in the hand-tight band handle of a kind of drill gun suspension type according to claim 1, it is characterized in that, described collet body (2) rear portion is shaped on the through hole that (22) communicate from external diameter to medium pore (202), be placed with steel ball (12) in the through hole, through-hole diameter is greater than diameter of the steel ball, but near the diameter of the wall of medium pore less than diameter of the steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200148316U CN201906848U (en) | 2011-01-10 | 2011-01-10 | Gun drill hanging-type hand-tight internal connecting drill chuck with handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200148316U CN201906848U (en) | 2011-01-10 | 2011-01-10 | Gun drill hanging-type hand-tight internal connecting drill chuck with handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201906848U true CN201906848U (en) | 2011-07-27 |
Family
ID=44299058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200148316U Expired - Fee Related CN201906848U (en) | 2011-01-10 | 2011-01-10 | Gun drill hanging-type hand-tight internal connecting drill chuck with handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201906848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619446A (en) * | 2012-09-12 | 2015-05-13 | 喜利得股份公司 | Hand-held machine tool |
-
2011
- 2011-01-10 CN CN2011200148316U patent/CN201906848U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619446A (en) * | 2012-09-12 | 2015-05-13 | 喜利得股份公司 | Hand-held machine tool |
| CN104619446B (en) * | 2012-09-12 | 2016-10-05 | 喜利得股份公司 | Hand held power machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201711557U (en) | Inner support device for petroleum casing pipe | |
| EP3215285B1 (en) | Improved flaring device for flaring the ends of pipes | |
| CN110815126A (en) | Synchronous drive type stern tube bearing dismounting device | |
| CN211138817U (en) | Drawing compasses with compasses point protection architecture | |
| CN201906848U (en) | Gun drill hanging-type hand-tight internal connecting drill chuck with handle | |
| CN102463299A (en) | Mould-clamping device | |
| CN201524997U (en) | Special pin pulling assistive device for blind pin | |
| CN201950232U (en) | Suspension type fingertight shanked outer join drill chuck of gun drill | |
| CN203031238U (en) | Thruster | |
| CN209256021U (en) | A kind of screw tap chuck structure of self-locking | |
| CN109834646B (en) | Rotary unloading drawing device | |
| CN206839934U (en) | A kind of axial positioning structure | |
| CN109571819A (en) | A kind of bed die fast replacing device | |
| CN210732300U (en) | Retreating type single-hand quick-change chuck | |
| CN204382175U (en) | Incremental encoder tool special for dismounting | |
| CN201960147U (en) | Suspended type external connecting hand-tight drill chuck with shank | |
| CN201988747U (en) | Suspended intraconnection hand-tight shanked drill chuck | |
| CN202861459U (en) | Auxiliary guide device of handheld drill gun | |
| CN201997737U (en) | Suspended-type intraconnection drill chuck for wrench with bar | |
| CN202292618U (en) | Multifunctional chest developer | |
| CN201900191U (en) | Deflective expansion preventing pipe expander | |
| CN104493781A (en) | Tool for pulling out cylinder sleeve of compressor | |
| CN201922063U (en) | Manually tightened and externally attached drill chuck | |
| CN202151698U (en) | Conveniently assembled and disassembled hand-tightening drill chuck | |
| CN201906849U (en) | Suspended type drill chuck with externally-connected spanner and drill stock |
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: 20110727 Termination date: 20120110 |