CN201744682U

CN201744682U - Single-button internally-connected and hand-tightened drill chuck

Info

Publication number: CN201744682U
Application number: CN201020532791XU
Authority: CN
Inventors: 陈肇和
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-06
Filing date: 2010-09-06
Publication date: 2011-02-16
Anticipated expiration: 2020-09-06

Abstract

The utility model relates to a drill chuck of a gun drill, in particular to a single-button internally-connected and hand-tightened drill chuck. The drill chuck comprises a drill chuck body assembled in a front shell body, an internal taper screw nut, a clamping pin, the front shell body and a back shell body. The drill chuck is characterized in that the back shell body is internally provided with a locking plate, a middle square hole of the locking plate is sheathed on the outer diameter at the back of the drill chuck body, the inner side of the lower end of the square hole is movably embedded in a through hole under the back of the drill chuck body and is partially exposed on the wall of the hole, and the exposed part can be embedded in a groove of a main shaft of the gun drill when the drill chuck is installed; the inner side at the upper end of the square hole is sheathed with a spring, and the spring is supported and pushed on the externally radial plane at the back of the drill chuck body, so that the locking plate can move in a through hole by means of self resetting; and certain part of the upper end of the locking plate is exposed out of the surface of the back shell and is a hand-pressed button, a transverse pin is arranged at the inner end of the inner hole at the back of the drill chuck body, and the transverse pin can be fastened with a cross-shaped gap on the main shaft of the gun drill to be driven to rotate. Therefore, the drill chuck has the advantages of reasonable structure, convenient assembly and disassembly, and convenient use.

Description

Connect hand fastening drill clutch in single button

Technical field:

The utility model relates to the drill chuck on the hand-held drill gun, is suitable for the standby easily accessory combining of installation or removal of normal needs transposing.

Technical background:

Connect hand fastening drill clutch as one of a plurality of annexes of drill gun in single button, the replacement annex that in use often needs the transposing use, going to once has the drill chuck of multiple different structure product, be threaded as useful, steel ball sealed etc., but it is desirable not enough to meet our the annex requirement that forms a complete set of, as connect trouble, and structure is complicated, and cost of manufacture is higher, concrete actual conditions from the present according to us, produce not only practical but also single button that cost of manufacture is low in connect drill chuck.

Summary of the invention:

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, connects hand fastening drill clutch and provide in a kind of easy to operate, single button of being connected firmly.It is sealed that it adopts side direction to press the location of moving on the drill gun main shaft of lockplate; Endoporus inner end, collet body rear portion is provided with lateral pin, and this lateral pin can be interlocked with " ten " word breach on the drill gun main shaft.

The utility model solves the technical scheme that above technical problem takes: connect hand fastening drill clutch in single button, comprise that the front portion is provided with three inclined holes, the rear portion has the collet body of endoporus, inserts three pinches of collet body front portion, with the interior flare nut of pinch top threaded engagement; Back casing, with the tight cover of interior flare nut and interior flare nut is inlaid in the groove of collet body, the procapsid rear portion is a back casing, it is characterized in that, is provided with lockplate, spring in the described back casing; Endoporus inner end, collet body rear portion is provided with lateral pin, and this lateral pin can be interlocked with " ten " word breach on the drill gun main shaft; Being shaped on square hole in the middle of the described lockplate is linked on the rear end external diameter of collet body, the inboard, middle square hole lower end of lockplate is inlaid in the through hole of the collet body back lower place, and having part to expose in hole wall, this exposed part can be entrenched in when drill chuck is installed in the groove of drill gun main shaft; Inboard, square hole upper end is embedded with spring, spring push makes moving that lockplate can reset certainly in through hole on the outer diameter flat of collet body rear end, the lug boss activity of lockplate upper end is inlaid in the side opening of back casing external diameter one side, and have part to expose on the surface, be the button of pushing for hand.

The technical measures of optimizing also comprise:

The endoporus of above-mentioned back casing end face is shaped on the plane of symmetry, and the mutual tight fit of symmetrical plane on this plane and the collet body rear end external diameter is to guarantee that lockplate is constant with the relative seat of the installation of collet body to back casing.

The through hole that is interlinked to the outside in the place, plane at above-mentioned collet body rear portion is shaped on, the part of lockplate is inlaid in the through hole, and has part to expose on hole wall; The inner end in hole is provided with lateral pin, is shaped on symmetrical plane on the external diameter in hole.

Above-mentioned lockplate is tabular, the centre be near as square hole, be sleeved on the external diameter at collet body rear portion, inboard, square hole upper end is embedded with spring, inboard, square hole lower end is inlaid in the through hole at collet body rear portion, and the lockplate upper end exposes in back casing external diameter one side for button.

Be shaped on through hole on the above-mentioned back casing one side external diameter, button is exposed at above the through hole outward; The endoporus of back casing is shaped on symmetrical plane, and end face is blocked by the ring washer that is fixed on the collet body rear portion; Be placed with spring before the end face, back casing can reset certainly.

Compare with present technology, advantage of the present utility model is: lockplate is sleeved on the external diameter at collet body rear portion, the button of lockplate is exposed at outward on the side external diameter of back casing, just can reach lockplate revealing maybe on collet body rear orifice wall can be flooded as long as push button, make drill chuck of the present utility model sealed on the drill gun main shaft or separate; Be provided with lateral pin in endoporus inner end, collet body rear portion, this lateral pin can be interlocked with " ten " word breach on the drill gun main shaft, because above design feature, the utility model installation or removal make things convenient for, are connected firmly, and are rational in infrastructure.

Description of drawings:

Fig. 1 is the assembling half sectional view of the utility model embodiment.

Fig. 2 is Figure 1A-A cutaway view.

Fig. 4 is the front view of drill gun front end.

Fig. 3 is the cutaway view of Figure 1B-B.

The specific embodiment:

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

Structure of the present utility model sees that Fig. 1 is to shown in Figure 4.Figure grade explanation: pinch 1, collet body 2, interior flare nut 3, procapsid 4, back casing 5, side opening 501, lockplate 6, button 601, lateral pin 201, through hole 202, hole 203, symmetrical plane 204, spring 7, back-up ring 8.

The outer hand drill chuck of winning in succession of single button, collet body 2 front ends are shaped on the endoporus of three inclinations, are fitted with threaded three pinches 1 in the endoporus, by the interior flare nut of procapsid 4 tight covers; Interior flare nut is entrenched in the groove of collet body 2, when rotating procapsid 4, three pinch 1 scalable moving, one side of the back face 203 of collet body 2 has the through hole 202 that is interlinked to the outside in, the square hole of lockplate 6 is sleeved on 203 external diameters of hole, inboard, square hole lower end is entrenched in the through hole 202, and have part to expose in hole 203, be fitted with spring 7 in the middle of lockplate square hole upper end is inboard, when button 601 is pressed, be inlaid in lockplate 6 through hole 202 in and on endoporus 203 walls, can reveal and can flood with the groove fastening of drill gun main shaft or separate; Endoporus inner end, rear portion, collet body 2 rear portion is provided with lateral pin, this lateral pin driven rotary that can be interlocked with " ten " word breach on the drill gun main shaft; Back casing 5 ring bodies one side has side opening 501, and lockplate 6 is inlaid in the side opening 501 and has button 601 to expose outer surface at back casing 5.

When needs use this drill chuck, hold and push the button 601 of back casing 5 sides, at this moment former the exposing at the quilt on the wall surface of the hole of the part of the middle square hole inside lower end of lockplate return in through hole, after being inserted in the drill gun main shaft, push away only terminal smoothly, meanwhile " ten " word breach on the lateral pin of inner end, hole and the drill gun main shaft is interlocked, decontrol pushing this moment to button 601, button resets under the effect of spring 7 certainly, again embedded in the drill gun main shaft groove sealed by the lockplate 6 of returning and flooding in through hole 202, finish the installation of drill chuck of the present utility model, if dismounting then can be dismantled with same mode of operation and simultaneously outside pulling.

Claims

1. connect hand fastening drill clutch in single button, comprise that there is back casing (5) collet body (2), nut (3), pinch (1), procapsid (4) back that are fitted in the procapsid (4), is characterized in that lockplate (6) is arranged in the described back casing (5); Lockplate (6) third side's borehole jack is contained on the external diameter of collet body (2) rear portion, and the inboard work of square hole lower end is joined in the through hole (202) that is inlaid in collet body (2), and has part to expose on the wall of hole (203); Inboard, square hole upper end is set with spring (7) pushing tow on the plane (204) at collet body (2) rear portion, and the endoporus of described back casing (5) end is shaped on symmetrical plane, and the symmetrical plane (204) on the external diameter of this plane and collet body (2) rear portion is tight fit mutually; Endoporus inner end, described collet body (2) rear portion is provided with lateral pin, and this lateral pin can be interlocked with drill gun Your Majesty " ten " word breach.

2. connect hand fastening drill clutch in single button according to claim 1, it is characterized in that: lockplate (6) is for tabular, inboard, upper end in the middle square hole is equipped with spring (7), and the inboard, lower end is inlaid in the through hole (202), is exposed at the back casing side outward and partly is button (601).

3. connect hand fastening drill clutch in single button according to claim 1, it is characterized in that: collet body (2) rear portion is shaped on hole (203), the through hole (202) that is interlinked to the outside in hole (203) one sides are shaped on, and external diameter surface is shaped on symmetrical plane (204).

4. connect hand fastening drill clutch in single button according to claim 1, it is characterized in that: back casing (5) external diameter one side is shaped on the through hole (501) that is interlinked to the outside in, is shaped on symmetrical plane in the endoporus.