TWI381916B - Adjustable drilling edge-widing and screw driving tool set - Google Patents

Description

Adjustable Drilling / Chamfer / Lock Screw Tool Set

The invention relates to an adjustable drilling/chamfering/locking screw tool set, in particular to a drill base provided on the front side of the body, and the inner rear side is provided as a lock lever of the power tool, and then the power tool drives the body to rotate. In order to drive the drill base and the drill bit to rotate, and use the first collar to finely adjust the drill base and the drill bit to adjust the correct drilling depth and chamfer depth; and by adjusting the third collar, The effect of the fixed or movable adjustment of the locking lever of the power tool and the rear side of the body can be achieved, so that the tool set has the three-in-one function of drilling, chamfering and locking screws.

The conventional adjustable drilling/chamfering tool set, as shown in FIG. 1 , comprises: a body 1 , a hollow slot 10 is provided for the drill base 11 , and is fixed by the bolting component 110 and the body, and is utilized. The bolting member 110 adjusts the telescopic length of the drill base 11, and the hole 110 of the drill base 11 is provided with a drill bit 12, and the drill bit 12 and the drill base 11 are fixed by the bolting member 111, and the bolt is used. The component 111 is provided to adjust the telescopic length of the drill bit 12; and the collar 13 is provided on the front side of the body.

Therefore, the conventional ones adjust the telescopic lengths of the drill base 11 and the drill bit 12 by the bolting members 110 and 111, respectively. The disadvantage is that the user does not easily adjust the telescopic length of the drill base 11 and the drill bit 12, resulting in use. The inconvenience is that the tool set can only provide drilling and chamfering functions, and the use is limited.

To this end, the inventors of the present invention have invented the present invention in view of the structural disadvantages of the prior art drilled screws.

The object of the present invention is to provide a tool set capable of three-in-one function of adjustable drilling/chamfering/locking screw, so that the user can achieve the first drilling on the workpiece and the workpiece by using only one set of tools. The entrance of the drilling hole is chamfered, and finally the locking bolt is used to lock the screw with the power tool, without the need to change the tool according to the work progress of the practical designer.

The features of the invention are:

The invention relates to an adjustable drilling/chamfering/locking screw tool set, which is provided with a body, and is further fixed on the front side of the body for the drill base; and the inner rear side of the through hole is provided as a lock lever of the power tool, In this way, the power tool is used to drive the body to rotate, thereby driving the drill base and the drill bit to rotate, and drilling with the drill bit, and the planer locked on the front side of the drill base can be chamfered at the entrance of the drill hole, and finally powered. Tool combination lock lever locking screw three-in-one tool set.

The adjustable drilling/chamfering/locking screw tool set of the invention is provided with a through hole in the body, and a drill base is arranged on the front side of the through hole; and the inner wall of the rear side of the through hole is a polygonal shape, which is a lock of the power tool. The rod is set and the power tool drives the body to rotate.

The adjustable drilling/chamfering/locking screw tool set of the present invention is characterized in that the first collar is provided on the body, and the position of the first collar is freely adjusted on the body to finely adjust the drill base and the drill bit.

The adjustable drilling/chamfering/locking screw tool set of the present invention is provided with a second set of rings on the front side of the first body, and the second set of rings is simultaneously adjusted by the micro-adjustment of the first set of rings. The length is used to adjust the length of the drill base and determine the drill depth and chamfer depth.

The adjustable drilling/chamfering/locking screw tool set of the present invention has a third collar on the rear side of the body, and the second positioning steel ball of the body is moved in the arc hole by rotating the third ring And the effect of the fixed or movable adjustment effect of the lock lever of the power tool and the rear side of the body.

In this way, in order to enable the examiner to fully understand the present invention, the following drawings are illustrated as follows: as shown in FIGS. 2 to 5, which can be an embodiment of the present invention, the adjustable drilling/chamfering/locking screw of the present embodiment The tool set includes: a body 2, a through hole 20 is defined in the body 2, and a large diameter inner ring 200 is disposed on the front side of the through hole 20 for setting the drill base 21; and the inner wall of the through hole 20 is The polygonal ring 201 (as shown in FIGS. 4 and 5) is provided with the lock lever 22 of the power tool (as shown in FIG. 10), and the power tool drives the body 2 to rotate, and the polygonal ring 201 is matched with the power tool. The shape of the rod 22 is such that, as long as it belongs to a non-circular geometry; and the through hole 20 of the body 2 is provided with a bolting element 202, the bit base 21 and the drill bit 210 can be used by the plug element 202. Fixing and adjusting the extension length of the drill bit 210; and disposing the first positioning steel ball 23 of the first collar 3 and the second positioning steel ball 24 of the third collar 5 on the body 2, and providing external threads on the outer surface of the outer sleeve 25, and a ring groove 230 is disposed on a side of the first positioning steel ball 23 of the body 2, and then in the ring groove 230 An O-ring 231 is provided inside.

Further, the drill base 21 includes a rod portion 211, and the rod portion 211 is disposed inside the inner circumference 200 of the through hole 20, and the element 202 is fixed to the body as described above; and the front side of the drill base is further provided. The planer 212 and the planer 212 are integrally integrated with the drill base and form a plurality of flaps to facilitate the extension of the drill bit 210 in the through hole 213 of the drill base. And, as described above, the embedding element 202 is used to fix the drill bit 210, and the embedding element 202 adjusts the elongation of the outer bit 210 to control the depth of the drilled hole.

The first set of rings 3, as shown in Figures 2, 3, 6 and 7, is provided with internal threads 30 on the inner wall thereof to interlock with the external threads 25 of the body 2, so that the first set of rings 3 is combined with the body 2 And a plurality of grooves 31 are formed on the inner wall of the first set of rings 3 to be aligned with the first positioning steel balls 23 of the body 2 to produce a positioning effect; and then disposed on the front side of the first set of rings 3 The second set of rings 4, the second set of rings 4 are sandwiched by a plurality of C-shaped buckles 40, and the steel balls 41 are disposed in the concave ring 32 of the first set of rings 3, so that the second set of rings 4 The collar 4 is integrated with the first collar 3 so that the second collar is positioned at the front end of the first collar 3, so that the structure of the plurality of C-shaped buckles 40 sandwiching the steel balls 41 can produce a ball-like similar The effect of the bearing is such that the friction between the first collar 3 and the second collar 4 can be reduced, and the wear is less, and more importantly, the volume of the first collar 3 and the second collar 4 can be reduced. Therefore, the tool set of the present invention can be reduced in size and easier to operate, that is, if the present invention does not need to consider the volume problem, the ball bearing can be used as it is. The second sleeve 4 is provided with an opening 42 for the user to adjust the bolting member 202 of the body 2 with a hand tool to greatly adjust the elongation of the drill bit 210. When the drill bit 210 drills the workpiece The boreholes generated by the holes can be quickly discharged from the aforementioned openings 42.

Therefore, when the user rotates the first collar 3, the first collar 3 can be advanced or retracted, and the combination of the first collar 3 and the second collar 4 and the body 2 are simultaneously changed. Position, so that the user does not need to adjust the bolting member 202 with any hand tool, the length of the drill base 21 and the drill bit 210 can be finely adjusted, and the distance between the drill base 21 and the drill bit 210 can be accurately adjusted. Therefore, it is necessary to utilize the first set of the aforementioned body 2 The steel ball 23 is combined with the plurality of grooves 31 of the first ring 3, that is, the first positioning ball 23 enters the plurality of grooves 31 of the first ring 3 every time the user rotates the appropriate circumferential distance. In a recess 31, the user is allowed to know the adjustment amount and define the amount of adjustment per revolution. The distance between the drill base 21 and the drill bit 210 is adjusted to extend or retract, so that the fine adjustment effect is more accurate, thereby determining the drill bit. The drilling depth of 210 and the chamfering depth of the planing hole entrance of the planer 212, and when the first positioning steel ball 23 enters one of the grooves 31 of the first collar 3, the O shape of the body 2 is utilized. The ring 231 generates an elastic buffering effect, and remains quiet and silent. When the locking lever 22 is combined with the body 2, the O-ring 231 will closely contact the first positioning steel ball 23, so that the first positioning steel ball 23 is completely Fixed to the aforementioned groove 31, even if the lock lever 22 drives the tool set to rotate, the first collar 3 will be completely positioned, so that the adjusted drilling or chamfering or locking depth will never change. .

The third set of rings 5, as shown in Figures 1, 2 and 8-10, is disposed at the rear side end of the body 2, and is provided with an arcuate hole 50 in the third collar 5, and is disposed at one end of the arcuate hole 50. a larger hole 500, the third collar 5 is directly fastened to the inner side of the ring cover 6, so that the third collar 5 is sleeved on the rear side of the body 2, and the third collar 5 is Before being disposed on the rear side end of the body 2, an elastic member 51 is disposed between the third collar 5 and the body 2, and then between the rear inner side of the third collar 5 and the rear outer side of the body 2. The third collar 5 and the body 2 can be integrated into one body by fastening the C-shaped buckle 52.

The second positioning steel ball 24 of the body 2 is matched with the arc hole 50 of the third ring 5, and the second positioning steel ball 24 can be rotated by rotating the third ring 5 and the ring cover 6. Moving in the aforementioned arcuate hole 50 (actually the arcuate hole 50 is moving and the second The positioning steel ball 24 does not move. As shown in FIG. 9, when the second positioning steel ball 24 is located in the hole 500 of the arc hole 50, as shown in FIG. 8, the second positioning steel ball 24 will enter the hole 500. The second positioning steel ball is free to move up and down. At this time, because the second positioning steel ball 24 is blocked, the locking rod 22 of the power tool can smoothly enter the through hole 20 of the body 2, and the locking rod 22 is used. The polygonal rod portion 220 is combined with the polygonal ring 201 of the body 2, and after the steel ball groove 221 of the lock rod 22 is combined with the second positioning steel ball 24, after the user rotates the third ring 5 and the ring cover 6, The second positioning steel ball 24 can be removed from the hole 500 of the arc hole 50, as shown in FIGS. 10 and 11, the locking rod 22 and the body 2 can be completely positioned, and the power tool is used to drive the body to rotate, and at the same time The aforementioned drill bit 210 is driven to rotate to drill the workpiece, and at the same time, the drill base 21 is rotated and the chamfer at the entrance of the drill hole is planed by the planer 212.

After the drilling and chamfering work is completed, the user only needs to reversely rotate the third collar 5 and the ring cover 6, so that the second positioning steel ball 24 moves in the arc hole 50, so that the first The two positioning steel balls 24 enter the hole 500 of the arc hole 50 again, so that the second positioning steel ball can move freely up and down. At this time, because the second positioning steel ball 24 is blocked, the locking rod 22 of the power tool can be smoothly Pulled out of the body 2, the user can use the lock lever 22 of the power tool to lock the screw.

In this way, the single tool set can have the three-in-one function of drilling, chamfering and locking screws, and the important one is to accurately adjust the drilling depth and the chamfer depth each time, so that the hand tool is more practical.

2‧‧‧ Ontology

20‧‧‧through holes

200‧‧‧ Inner Ring

201‧‧‧Polygon ring

202‧‧‧Equipment components

21‧‧‧Drill base

210‧‧‧ drill bit

211‧‧‧ pole

212‧‧‧ Planer

213‧‧‧through holes

22‧‧‧Lock lever

220‧‧‧Polygonal rod

221‧‧‧ steel ball slot

23‧‧‧First positioning steel ball

230‧‧‧ Ring groove

231‧‧‧O-ring

24‧‧‧Second positioning steel ball

25‧‧‧ external thread

3‧‧‧First ring

30‧‧‧ internal thread

31‧‧‧ Groove

32‧‧‧ recessed

4‧‧‧Second ring

40‧‧‧C buckle

41‧‧‧ steel balls

42‧‧‧Opening

5‧‧‧ third ring

50‧‧‧Arc hole

500‧‧‧ hole

51‧‧‧Flexible components

52‧‧‧C buckle

6‧‧‧ ring cover

Figure 1 is a cross-sectional view of a conventional tool set.

Figure 2 is a cross-sectional view of the tool set of the present invention.

Figure 3 is a cross-sectional view showing the adjustment operation of the tool set of the present invention.

Figure 4 is a side cross-sectional view of the body of the tool set of the present invention.

Figure 5 is a cross-sectional view taken along line A-A of Figure 4;

Figure 6 is a cross-sectional view of the first collar of the tool set of the present invention.

Figure 7 is a cross-sectional view taken along line B-B of Figure 6.

Figure 8 is a front view of the tool set of the present invention in combination with the lock bar of the power tool.

Figure 9 is a cross-sectional view showing the symmetrical position of the third collar and the second positioning steel ball before the combination of the tool set of the present invention and the lock lever of the power tool.

Figure 10 is a view of the tool set of the present invention in combination with the lock lever of the power tool.

Figure 11 is a cross-sectional view showing the symmetrical position of the third collar and the second positioning steel ball after the tool set of the present invention is combined with the lock lever of the power tool.

2‧‧‧ Ontology

20‧‧‧through holes

200‧‧‧ Inner Ring

201‧‧‧Polygon ring

202‧‧‧Equipment components

21‧‧‧Drill base

210‧‧‧ drill bit

211‧‧‧ pole

212‧‧‧ Planer

213‧‧‧through holes

22‧‧‧Lock lever

220‧‧‧Polygonal rod

221‧‧‧ steel ball slot

23‧‧‧First positioning steel ball

230‧‧‧ Ring groove

231‧‧‧O-ring

24‧‧‧Second positioning steel ball

25‧‧‧ external thread

3‧‧‧First ring

30‧‧‧ internal thread

31‧‧‧ Groove

32‧‧‧ recessed

4‧‧‧Second ring

40‧‧‧C buckle

41‧‧‧ steel balls

42‧‧‧Opening

5‧‧‧ third ring

50‧‧‧Arc hole

500‧‧‧ hole

51‧‧‧Flexible components

52‧‧‧C buckle

6‧‧‧ ring cover

Claims (8)

The utility model relates to an adjustable drilling/chamfering/locking screw tool set, which comprises at least a body, a through hole, and a drill bit base on a front side of the through hole; a polygonal ring around the inner wall of the through hole, which is a power tool The lock lever is disposed; and the body is configured to fix the component to fix the drill base and the drill bit, and adjust the elongation of the drill base and the drill bit; the body is provided with the first positioning steel ball of the first collar and the third collar a second positioning steel ball; the body is provided with an external thread; the first ring is coupled with the body, and the position of the first ring and the body is freely adjusted to finely adjust the drill base and the drill bit. a plurality of grooves are formed on the inner wall of the first ring to obtain a positioning effect with the first positioning steel ball of the body to define a distance between the drill bit base and the drill bit; the second ring is disposed in the first The front end of the collar is positioned with the C-shaped buckle and positioned at the front end of the first collar to produce an effect similar to a ball bearing, and the first collar is adjusted by simultaneously adjusting the second collar and The aforementioned a position for adjusting the expansion and contraction of the drill bit base and the drill bit to determine the drilling depth and the chamfer depth; the third collar is disposed at the rear side end of the body, and the arcuate hole is provided in the third ring, and One end of the arc hole is provided with a larger hole; then a ring cover is arranged on the outer side of the third ring, and then the third ring is fixed on the rear side end of the body, and the body can be made by rotating the third ring The two positioning steel balls move in the arc hole to fix or move the locking rod of the power tool to the body; thus, the hole is chamfered by the operation of the body by the locking lever of the power tool, chamfering, And the three-in-one function tool set of the locking screw. Adjustable drilling/chamfering/locking screwwork as described in item 1 of the patent application scope In the group, a ring groove is arranged on one side of the first positioning steel ball of the body, and an O-ring is arranged in the ring groove. The adjustable drilling/chamfering/locking screw tool set according to the first aspect of the patent application, wherein the inner wall of the rear side of the through hole of the body is a polygonal ring. The adjustable drilling/chamfering/locking screw tool set according to the first aspect of the patent application, wherein the drill base comprises a rod portion, and the rod portion is disposed on the inner side of the inner circumference of the through hole of the body, and is bolted The component and the body are fixed; the planer is arranged on the front side of the drill base, and the planer is a plurality of flaps, so that the drill bit is extended inside the through hole of the drill base, and the drill bit is fixed by the bolting component to adjust the elongation of the drill bit. To control the depth of the hole. The adjustable drilling/chamfering/locking screw tool set according to the first aspect of the patent application, wherein between the first ring and the second ring, a plurality of C-shaped buckles are used to clamp the steel ball, and the steel ball system The recessed ring of the first sleeve is arranged to integrate the second loop with the first loop, so that the second loop is positioned at the front end of the first loop. The adjustable drilling/chamfering/locking screw tool set according to claim 5, wherein the second ring is provided with an opening, so that the user can adjust the bolting component of the body with a hand tool to The elongation is greatly adjusted and has a chip evacuation effect. The adjustable drilling/chamfering/locking screw tool set according to the first aspect of the patent application, wherein when the first positioning steel ball of the body enters one of the grooves of the first ring, the O-ring of the body is generated. The elastic buffering effect, when the locking rod is combined with the body, the O-ring can be closely attached to the positioning steel ball, so that the positioning steel ball is fixed in the groove, so that the first ring is completely positioned. . Adjustable drilling/chamfering/locking screw tool as described in item 1 of the patent application The third set of loops is sleeved on the rear side end of the body, and before the third collar is sleeved on the rear side end of the body, an elastic element is disposed between the third collar and the body, and then And the C-shaped buckle is fastened between the inner side of the third set of rings and the rear side of the body, so that the third set of rings can be integrated with the body.