CN217666660U - Twist drill - Google Patents

Abstract

The utility model relates to a drill bit technical field, a twist drill bit is proposed, it is convenient for carry on spacingly to adjusting the cap, the screw rod that arouses when the drill bit drills has been solved, lead to the drill bit to return the problem that contracts, and it has solved the jam problem of seting up the bin outlet and leading to on the twist drill bit body, the practicality is higher, including the twist drill bit body, cross bore and adjustment tank have been seted up on the twist drill bit body, the inside sliding connection of cross bore has the drill bit, install a plurality of direction card strips on the drill bit, set up the direction draw-in groove of a plurality of and direction card strip looks adaptations on the cross bore, threaded connection has the screw rod on the twist drill bit body, the one end of screw rod is passed through slewing mechanism and is connected with the drill bit rotation, the adjusting cap is installed to the other end of screw rod, sliding connection has the slide in the adjustment tank, through a plurality of spring coupling between slide and the adjustment tank, install spacing card post on the slide, set up the spacing draw-in groove with spacing card post looks adaptation on the adjusting cap, set up storage recess on the drill bit.

Description

Twist drill

Technical Field

The utility model relates to a drill bit technical field, concretely relates to twist drill bit.

Background

As is well known, a twist drill is a tool for drilling a circular hole in a workpiece by rotating the drill relative to a fixed axis, and is known as a twist because a chip pocket thereof is formed in a spiral shape, and is widely used in the field of drilling.

Through the retrieval, chinese 2021 year 26 month 26 day patent publication number is CN 212599144U's utility model discloses a high strength twist drill, it roughly includes the twist drill body, the inside of twist drill body is equipped with reinforcing mechanism, reinforcing mechanism includes the cross bore, the drill bit, the bin outlet, lead to the groove, lead screw and knob, the left side center at the twist drill body is seted up to the cross bore, the inside of cross bore is equipped with the drill bit, when it is using, through the cooperation between twist drill body and the reinforcing mechanism, when needing to use the twist drill body to carry out the operation of punching, make the drill bit expose the twist drill body, the drill bit at first contacts with the base face of waiting to punch during, then the twist drill body can insert the inside secondary drilling operation that carries out in hole of drill bit play, during need not operating personnel to install between the drill bit of different models size and dismantle, the straightness deviation circumstances of perpendicularity can not appear in the secondary drilling operation in-process simultaneously, can reduce the sword circumstances and appear that twist drill body end department, discharge the piece that comes out through the bin outlet rotation.

Among the foretell prior art scheme, it is treating the base face of punching earlier through the drill bit when holing, and it is not convenient for fix the lead screw, and the lead screw rotates easily, leads to the drill bit to contract easily, discharges the piece through the bin outlet simultaneously, and bin outlet department forms easily and blocks up.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an auger bit to it that proposes in solving the background art is treating earlier through the drill bit when boring the base face that punches, and it is not convenient for fix the lead screw, and the lead screw rotates easily, leads to the drill bit to contract easily, through bin outlet discharge piece simultaneously, and bin outlet department forms the problem of jam easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a twist drill, including the twist drill body, cross bore and adjustment tank have been seted up on the twist drill body, the inside sliding connection of cross bore has the drill bit, install a plurality of direction card strips on the drill bit, set up a plurality of direction draw-in grooves with direction card strip looks adaptation on the cross bore, threaded connection has the screw rod on the twist drill body, the one end of screw rod is passed through slewing mechanism and is connected with the drill bit rotation, the adjusting cap is installed to the other end of screw rod, sliding connection has the slide in the adjustment tank, through a plurality of spring coupling between slide and the adjustment tank, install spacing card post on the slide, set up the spacing draw-in groove with spacing card post looks adaptation on the adjusting cap, set up storage groove on the drill bit.

Preferably, the rotating mechanism comprises a rotating block, the rotating block is in an oval shape, the rotating block is fixedly connected with the screw, and a groove matched with the rotating block is formed in the drill bit.

Furthermore, the guide block is all installed to the top and the bottom of slide, and the guide way with guide block looks adaptation is all seted up to the interior roof and the interior diapire of adjustment tank.

Still further, a chamfer is arranged at the adjusting groove.

As a further aspect of the present invention, a plurality of the springs is provided in two.

As a further scheme of the scheme, an anti-skid structure is arranged on the adjusting cap.

On the basis of the scheme, the twist drill body is provided with a label.

On the basis of the scheme, the label is arranged on the right end face of the twist drill body.

(III) advantageous effects

Compared with the prior art, the utility model provides a twist drill possesses following beneficial effect:

1. the utility model discloses in, through the cooperation that sets up the slide, spacing calorie of post, spacing draw-in groove and a plurality of spring, under the effect of the resilience force of spring, push away the slide toward adjusting the cap side and remove, go into spacing calorie of post card on the slide in spacing draw-in groove, can adjust the cap and carry on spacingly, prevent to adjust the cap and rotate, thereby avoid the screw rod to rotate and arouse the problem that the drill bit returns easily, therefore, the practicality is higher, consequently, this fluted drill bit is convenient for carry on spacingly to adjusting the cap, the screw rod that has solved and arouses when drilling the drill bit rotates, lead to the drill bit to return and contract the problem, the practicality is higher.

2. The utility model discloses in, through having seted up the storage recess on the drill bit, be convenient for when the drill bit drills, temporarily save the piece, the back that finishes drilling, the accessible moves the slide to the right, rotate the adjusting cap, make the drill bit stretch out partly in the cross bore, make the storage recess spill, and then be convenient for discharge the piece of storage in the storage recess, the jam problem that the bin outlet leads to has been seted up on the twist drill bit body has been solved, therefore, this twist drill bit has solved the jam problem of seting up the bin outlet and leading to on the twist drill bit body, the practicality is higher.

Drawings

Fig. 1 is a schematic view of a partially cut-away three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 4 is a schematic diagram of the three-dimensional structure of the adjusting cap, the sliding plate, the limiting clip column and the like.

In the figure: 1. a twist drill body; 2. a transverse hole; 3. an adjustment groove; 4. a drill bit; 5. a guide clamping strip; 6. a screw; 7. an adjusting cap; 8. a slide plate; 9. a spring; 10. limiting the clamp column; 11. a storage recess; 12. rotating the block; 13. a guide block; 14. and (4) a label.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a twist drill comprises a twist drill body 1, wherein a cross hole 2 and an adjusting groove 3 are formed in the twist drill body 1, a drill 4 is slidably connected to the inside of the cross hole 2, the drill 4 is arranged to facilitate secondary drilling of the twist drill body 1 when a drilling base surface is drilled before the twist drill body 1 drills a hole, a plurality of guide clamping strips 5 are mounted on the drill 4, a plurality of guide clamping grooves adapted to the guide clamping strips 5 are formed in the cross hole 2, the drill 4 can only move left and right in the cross hole 2 by matching of the guide clamping strips 5 and the guide clamping grooves, a screw rod 6 is threadedly connected to the twist drill body 1, one end of the screw rod 6 is rotatably connected to the drill 4 through a rotating mechanism, an adjusting cap 7 is mounted at the other end of the screw rod 6, and the adjusting cap 7 is rotated clockwise or counterclockwise, the screw rod 6 is convenient to rotate clockwise or anticlockwise, the drill bit 4 can move left or right in the transverse hole 2 through the cooperation of the rotating mechanism and the guiding action of the plurality of guiding clamping strips 5, the length of the drill bit 4 extending out of the transverse hole 2 can be conveniently adjusted, the sliding plate 8 is connected in the adjusting groove 3 in the sliding manner, the sliding plate 8 is connected with the adjusting groove 3 through the plurality of springs 9, the limiting clamping column 10 is installed on the sliding plate 8, the adjusting cap 7 is provided with a limiting clamping groove matched with the limiting clamping column 10, the drill bit 4 is provided with a storage groove 11, so that when the drill bit 4 drills, scraps can be temporarily stored, after drilling is finished, the sliding plate 8 can be moved right to rotate the adjusting cap 7, the drill bit 4 extends out of a part of the transverse hole 2, the storage groove 11 is leaked, and further the scraps stored in the storage groove 11 can be conveniently discharged, the problem of the jam that offers the bin outlet and lead to on auger bit body 1 is solved.

Further, slewing mechanism includes commentaries on classics piece 12, change piece 12 and screw rod 6 fixed connection, set up the recess with changeing 12 looks adaptations on the drill bit 4, change hole and recess normal running fit, when screw rod 6 rotates, change piece 12 rotates along with screw rod 6, through setting up changeing piece 12 to oval shape, be convenient for reduce the friction of changeing piece 12 and recess, guide block 13 is all installed to slide 8's top and bottom, the guide way with guide block 13 looks adaptations is all seted up to the interior roof and the interior bottom wall of adjustment tank 3, through the cooperation of guide block 13 and guide way, be convenient for carry out spacingly to slide 8, make slide 8 only can control the reverse slip, adjustment tank 3 department is provided with the chamfer, the security improves, avoid the hand injury in the time of rotatory adjustment cap 7, a plurality of springs 9 set up to two, increase the thrust to slide 8 to the left, be provided with anti-skidding structure on adjustment cap 7, increase the coefficient of friction of adjustment cap 7, stability when increasing rotatory adjustment cap 7, be provided with label 14 on body 1, can be to the convenient sign of making of twist bit 1, the mark on the right side of making of twist bit, convenient label, 14, the label of making for use, the mark for use of the mark on the twist bit body, the convenient preparation of twist, the mark, the twist label on the twist label of twist, the twist label on the plane of the twist of making.

To sum up, this fluted drill, when using, at first place this fluted drill on the required rig that uses, when driling, at first when treating the base face of punching through drill bit 4 and driling, be convenient for carry out the hole of changeing before fluted drill body 1 drills, make things convenient for follow-up fluted drill body 1 to carry out secondary drilling, when drill bit 4 driling, temporarily save some piece to in the storage recess 11, after the drilling finishes, the accessible moves slide 8 to the right, through twisting clockwise adjusting cap 7, be convenient for carry out clockwise rotation to screw rod 6, through the cooperation of commentaries on classics piece 12 and recess and under the guide effect of a plurality of direction card strip 5, make drill bit 4 move to the left in cross bore 2, be convenient for adjust the length that drill bit 4 stretches out cross bore 2, make drill bit 4 stretch out a part from cross bore 2, make storage recess 11 spill, and then be convenient for discharge the piece of saving in storage recess 11, solved and offered the blockage problem that the bin outlet leads to on fluted drill bit body 1, through setting up slide 8, spacing card post 10, the cooperation of slide and the return to contract with a plurality of spring 9, thereby adjust the cooperation of slide 7, prevent to move the regulation cap downward side card strip 7 more easily, thereby the problem of adjusting cap 8, the effect that the regulation cap on the adjustment cap is preventing the screw rod 8 of spring from advancing more easily, thereby the rotation of the regulation of the slide 8, thereby the problem that the utility model is more convenient to the rotation of the utility model 8, the utility model is more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a twist drill, including twist drill body (1), a serial communication port, cross bore (2) and adjustment tank (3) have been seted up on twist drill body (1), the inside sliding connection of cross bore (2) has drill bit (4), install a plurality of direction card strip (5) on drill bit (4), set up a plurality of direction draw-in grooves with direction card strip (5) looks adaptation on cross bore (2), threaded connection has screw rod (6) on twist drill body (1), the one end of screw rod (6) is passed through slewing mechanism and is connected with drill bit (4) rotation, adjusting cap (7) are installed to the other end of screw rod (6), sliding connection has slide (8) in adjustment tank (3), be connected through a plurality of springs (9) between slide (8) and adjustment tank (3), install spacing calorie of post (10) on slide (8), set up the spacing draw-in groove with spacing calorie of post (10) looks adaptation on adjusting cap (7), storage recess (11) have been seted up on drill bit (4).

2. The twist drill according to claim 1, wherein the rotating mechanism comprises a rotating block (12), the rotating block (12) is provided with an oval shape, the rotating block (12) is fixedly connected with the screw (6), and the drill (4) is provided with a groove matched with the rotating block (12).

3. The twist drill according to claim 2, wherein the top end and the bottom end of the sliding plate (8) are provided with guide blocks (13), and the inner top wall and the inner bottom wall of the adjusting groove (3) are provided with guide grooves matched with the guide blocks (13).

4. A twist drill according to claim 3, characterized in that the adjustment groove (3) is provided with a chamfer.

5. A twist drill according to claim 4, characterized in that a plurality of said springs (9) is provided in two.

6. A twist drill according to claim 5, characterised in that the adjustment cap (7) is provided with anti-slip means.

7. A twist drill according to claim 6, characterized in that the twist drill body (1) is provided with a label (14).

8. A twist drill according to claim 7, characterized in that the label (14) is provided on the right end face of the twist drill body (1).

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