CN210160463U

CN210160463U - Electric drill convenient to change drill bit

Info

Publication number: CN210160463U
Application number: CN201920996825.1U
Authority: CN
Inventors: 周裕隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-20
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an electric drill convenient to change drill bit, including electric drill body, expose motor shaft and the mount pad in the electric drill body outside, the side of mount pad is equipped with the draw-in groove corresponding with motor shaft, and motor shaft activity joint inside the draw-in groove, the side of mount pad is equipped with evenly distributed's bar recess, and the inside that draw-in groove one end was kept away from to the bar recess is equipped with adjusts the seat, and the upper end activity of adjusting the seat is provided with the drill bit, and the stiff end of drill bit is equipped with the magnetism card post, and the side middle part that the mount pad is opposite with the draw-in groove is equipped with the draw-in groove with magnetism card post assorted, and the protection. This electric drill convenient to change drill bit can carry out swing joint and spacing fixed to the drill bit, can deposit the drill bit in order, avoids the drill bit to place at will, can save time, the quick replacement of the drill bit of being convenient for to improve work efficiency, convenient to use.

Description

Electric drill convenient to change drill bit

Technical Field

The utility model relates to an electric drill technical field specifically is an electric drill convenient to change drill bit.

Background

The electric drill is a drilling machine using electricity as power, is a conventional product in electric tools, and is also an electric tool product with the largest demand; the working principle of the electric drill is that a motor rotor of an electromagnetic rotary type or electromagnetic reciprocating type small-capacity motor does magnetic field cutting work-doing operation, and the operation device is driven by a transmission mechanism to drive a gear to increase the power of a drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object.

When the electric drill is used for working, a proper drill bit is often required to be selected according to the size of a drilled hole, the drill bit is usually placed in a storage box at random by an existing worker after the electric drill is used, the drill bit needs to be searched firstly during use, a large amount of time can be wasted when the drill bit with small size is searched, the replacement time of the drill bit is prolonged, the working efficiency is reduced, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an electric drill convenient to change drill bit, can carry out swing joint and spacing fixed to the drill bit, can deposit the drill bit in order, avoid the drill bit to be placed at will, can save time, the quick replacement of the drill bit of being convenient for to improve work efficiency, convenient to use can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric drill convenient to change drill bit, includes the electric drill body, exposes motor shaft and the mount pad in the electric drill body outside, the side of mount pad is equipped with the draw-in groove corresponding with motor shaft, and motor shaft activity joint inside the draw-in groove, the side of mount pad is equipped with evenly distributed's bar recess, the inside that draw-in groove one end was kept away from to the bar recess is equipped with adjusts the seat, the upper end activity of adjusting the seat is provided with the drill bit, the stiff end of drill bit is equipped with the magnetism card post, the side middle part that the mount pad is opposite with the draw-in groove is equipped with and blocks post assorted draw-in groove with magnetism, the protection piece has been cup.

As an optimal technical scheme of the utility model, the electric drill body is equipped with the inner ring shaped plate with the corresponding side of motor shaft, the mount pad is equipped with flat bearing with the corresponding side of fixed slot, flat bearing's side is equipped with outer annular plate, the lateral surface of inner ring shaped plate and the medial surface of outer annular plate all are equipped with the screw thread, and inner ring shaped plate and outer annular plate threaded connection.

As an optimal technical scheme of the utility model, the inside of draw-in groove is equipped with the magnet piece that is used for adsorbing the magnetism card post.

As a preferred technical scheme of the utility model, adjust the seat and include fixed axle, connecting plate, articulated seat, solid fixed ring and bearing, the one end of connecting plate is passed through the fixed axle and is rotated and connect inside the bar recess, and the other end of connecting plate is rotated through articulated seat and is connected with solid fixed ring, the inboard at solid fixed ring is installed to the bearing, the bearing activity cup joints in the drill bit outside.

As an optimal technical scheme of the utility model, the drill bit is equipped with two spacing rings with the corresponding side of bearing, and the bearing is located between two spacing rings.

As an optimal technical scheme of the utility model, the protection part includes annular lagging and two spacing leather collars, the activity of annular lagging cup joints in the side of mount pad, and two spacing leather collars set up the both sides at annular lagging respectively.

As a preferred technical scheme of the utility model, the one end that the regulation seat was kept away from to bar recess is equipped with the locating hole, the one end activity that the regulation seat was kept away from to the drill bit alternates inside the locating hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the electric drill convenient for replacing the drill bit can connect the mounting seat through the clamping connection of the rotating shaft of the motor and the fixed groove, so that the electric drill body can drive the mounting seat to rotate; meanwhile, the mounting seat can be fixed through threaded connection of the outer annular plate and the inner annular plate, the mounting seat is prevented from being separated from a motor rotating shaft in the working process, and the safety of the electric drill during use is improved.

2. The electric drill convenient for replacing the drill bit can be connected with the drill bit through the adjusting seat and can be clamped through the strip-shaped groove, so that the drill bit is prevented from being placed randomly, and the drill bit is convenient to replace quickly; the stability of the magnetic card column inside the clamping groove can be improved through the magnetic adsorption effect of the magnetic card column and the magnet block.

3. This electric drill convenient to change drill bit can carry out spacing the blockking at the inside drill bit of bar recess through the annular lagging with spacing leather collar, and spacing leather collar can increase the friction between annular lagging and the mount pad, avoids annular lagging to remove.

4. This electric drill convenient to change drill bit can carry out swing joint and spacing fixed to the drill bit, can deposit the drill bit in order, avoids the drill bit to place at will, can save time, the quick replacement of the drill bit of being convenient for to improve work efficiency, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cut-away portion of the structure of FIG. 1;

FIG. 3 is a left side view of the structure of FIG. 2;

fig. 4 is a schematic sectional view of the mounting base of the present invention.

In the figure: the electric drill comprises an electric drill body 1, a motor rotating shaft 2, an inner annular plate 3, a mounting seat 4, a strip-shaped groove 41, a positioning hole 42, a drill bit 5, a magnetic clamping column 51, a limiting ring 52, an adjusting seat 6, a fixing shaft 61, a connecting plate 62, a hinge seat 63, a fixing ring 64, a bearing 65, an annular sleeve plate 7, a limiting leather collar 71, a plane bearing 8, an outer annular plate 81, a fixing groove 9, a clamping groove 10 and a magnet block 11.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an electric drill convenient for replacing a drill bit comprises an electric drill body 1, a motor rotating shaft 2 and a mounting seat 4 which are exposed outside the electric drill body 1, wherein a clamping groove 10 corresponding to the motor rotating shaft 2 is arranged on the side surface of the mounting seat 4, the motor rotating shaft 2 is movably clamped inside the clamping groove 10, the mounting seat 4 can be connected through the clamping of the motor rotating shaft 2 and a fixing groove 9, so that the electric drill body 1 can drive the mounting seat 4 to rotate, an inner annular plate 3 is arranged on the side surface of the electric drill body 1 corresponding to the motor rotating shaft 2, a plane bearing 8 is arranged on the side surface of the mounting seat 4 corresponding to the fixing groove 9, an outer annular plate 81 is arranged on the side surface of the plane bearing 8, threads are arranged on the outer side surface of the inner annular plate 3 and the inner side surface of the outer annular plate 81, the inner annular plate 3 is in threaded connection with the outer annular plate 81, the, the installation seat 4 is prevented from being separated from the motor rotating shaft 2 in the working process, and the safety of the electric drill in use is improved.

The side of the mounting seat 4 is provided with the bar-shaped grooves 41 which are uniformly distributed, the drill bit 5 can be clamped through the bar-shaped grooves 41, the drill bit 5 is prevented from being placed at will, the drill bit 5 can be replaced quickly, the adjusting seat 6 is arranged in the end, away from the clamping groove 10, of the bar-shaped grooves 41, the drill bit 5 can be connected through the adjusting seat 6, the drill bit 5 is movably arranged at the upper end of the adjusting seat 6, the adjusting seat 6 comprises a fixing shaft 61, a connecting plate 62, a hinged seat 63, a fixing ring 64 and a bearing 65, one end of the connecting plate 62 is rotatably connected inside the bar-shaped grooves 41 through the fixing shaft 61, the other end of the connecting plate 62 is rotatably connected with the fixing ring 64 through the hinged seat 63, the bearing 65 is mounted at the inner side of the fixing ring 64, the bearing 65 is movably sleeved outside the drill bit, the drill bit 5 is rotated around the hinge base 63 and the magnetic chuck post 51 at the fixed end of the drill bit 5 is aligned with the chuck slot 10.

The one end that the regulation seat 6 was kept away from to bar groove 41 is equipped with locating hole 42, be used for joint drill bit 5, the one end activity alternate that the regulation seat 6 was kept away from to drill bit 5 is inside locating hole 42, the stiff end of drill bit 5 is equipped with magnetic card post 51, drill bit 5 is equipped with two spacing rings 52 with the corresponding side of bearing 65, and bearing 65 is located between two spacing rings 52, bearing 65 can slide between two spacing rings 52, make drill bit 5 can insert inside draw-in groove 10, the side middle part that mount pad 4 is opposite with draw-in groove 10 is equipped with and blocks with magnetic card post 51 assorted draw-in groove 10, the inside of draw-in groove 10 is equipped with magnet piece 11 that is used for adsorbing magnetic card post 51, can improve the stability of magnetic card post 51 inside draw-in groove 10 through the magnetic adsorption of magnetic card.

The protection piece has been cup jointed in the side activity of mount pad 4, the protection piece includes annular lagging 7 and two spacing leather collars 71, the activity of annular lagging 7 is cup jointed in the side of mount pad 4, and two spacing leather collars 71 set up the both sides at annular lagging 7 respectively, can carry out spacing the blockking at the inside drill bit 5 of bar recess 41 through annular lagging 7 that has spacing leather collars 71, spacing leather collars 71 can increase the friction between annular lagging 7 and the mount pad 4, avoid annular lagging 7 to remove.

Whole electric drill convenient to change drill bit can carry out swing joint and spacing fixed to drill bit 5, can deposit drill bit 5 in order, avoids drill bit 5 to be placed at will, can save time, the quick replacement of the drill bit 5 of being convenient for to improve work efficiency, convenient to use.

When in use: the mounting seat 4 is clamped with the motor rotating shaft 2 through the fixing groove 9, the outer annular plate 81 is rotated, the outer annular plate 81 is in threaded connection with the inner annular plate 3, and therefore the mounting seat 4 is connected with the electric drill body 1;

when the drill bit needs to be used, the annular sleeve plate 7 is moved along the mounting seat 4, the annular sleeve plate 7 drives the limiting leather ring 71 to move, and the annular sleeve plate 7 and the limiting leather ring 71 do not limit the drill bit 5 any more;

the drill bit 5 is pushed, the drill bit 5 is not clamped with the positioning hole 42, then the drill bit 5 is taken out from the strip-shaped groove 41, the connecting plate 62 is rotated around the fixing shaft 61, the connecting plate 62 drives the fixing ring 64 to move through the hinge seat 63, the fixing ring 64 drives the drill bit 5 to move, the drill bit 5 is rotated around the hinge seat 63, and the magnetic clamping column 51 at the fixed end of the drill bit 5 is aligned with the clamping groove 10;

inserting the magnetic card column 51 into the card slot 10, and making the magnetic card column 51 and the magnet block 11 adsorbed together, and in the process that the magnetic card column 51 is inserted into the card slot 10, the position of the fixing ring 64 on the side surface of the drill bit 5 changes, thereby completing the fixing of the drill bit 5;

and finally, moving the annular sleeve plate 7 in the reverse direction, wherein the annular sleeve plate 7 drives the limiting leather ring 71 to move, and the annular sleeve plate 7 and the limiting leather ring 71 limit and block the drill bit 5 in the strip-shaped groove 41.

The utility model discloses can carry out swing joint and spacing fixed to drill bit 5, can deposit drill bit 5 in order, avoid drill bit 5 to be placed at will, can save time, the quick replacement of the drill bit 5 of being convenient for to improve work efficiency, convenient to use.

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

1. The utility model provides an electric drill convenient to change drill bit, includes electric drill body (1), exposes motor shaft (2) and mount pad (4) in electric drill body (1) outside, its characterized in that: the side of mount pad (4) is equipped with draw-in groove (10) corresponding with motor shaft (2), and motor shaft (2) activity joint is inside draw-in groove (10), the side of mount pad (4) is equipped with evenly distributed's bar recess (41), the inside that draw-in groove (10) one end was kept away from in bar recess (41) is equipped with adjusts seat (6), the upper end activity of adjusting seat (6) is provided with drill bit (5), the stiff end of drill bit (5) is equipped with magnetic card post (51), mount pad (4) are equipped with draw-in groove (10) assorted draw-in groove (10) with draw-in groove (10) opposite side middle part, the protection piece has been cup jointed in the side activity of mount pad (4).

2. A drill to facilitate bit replacement as claimed in claim 1 wherein: the electric drill is characterized in that an inner annular plate (3) is arranged on the side corresponding to the motor rotating shaft (2) of the electric drill body (1), a plane bearing (8) is arranged on the side corresponding to the fixing groove (9) of the mounting seat (4), an outer annular plate (81) is arranged on the side of the plane bearing (8), threads are arranged on the outer side face of the inner annular plate (3) and the inner side face of the outer annular plate (81), and the inner annular plate (3) is in threaded connection with the outer annular plate (81).

3. A drill to facilitate bit replacement as claimed in claim 1 wherein: the inside of draw-in groove (10) is equipped with magnet piece (11) that are used for adsorbing magnetism card post (51).

4. A drill to facilitate bit replacement as claimed in claim 1 wherein: adjust seat (6) including fixed axle (61), connecting plate (62), articulated seat (63), solid fixed ring (64) and bearing (65), the one end of connecting plate (62) is passed through fixed axle (61) and is rotated and connect inside bar recess (41), and the other end of connecting plate (62) is rotated through articulated seat (63) and is connected with solid fixed ring (64), the inboard at solid fixed ring (64) is installed in bearing (65), bearing (65) activity cup joints in drill bit (5) outside.

5. A drill to facilitate bit replacement as claimed in claim 4 wherein: the side face of the drill bit (5) corresponding to the bearing (65) is provided with two limiting rings (52), and the bearing (65) is positioned between the two limiting rings (52).

6. A drill to facilitate bit replacement as claimed in claim 1 wherein: the protection piece comprises an annular sleeve plate (7) and two limiting leather rings (71), the annular sleeve plate (7) is movably sleeved on the side face of the mounting seat (4), and the two limiting leather rings (71) are respectively arranged on two sides of the annular sleeve plate (7).

7. A drill to facilitate bit replacement as claimed in claim 1 wherein: one end, far away from the adjusting seat (6), of the strip-shaped groove (41) is provided with a positioning hole (42), and one end, far away from the adjusting seat (6), of the drill bit (5) is movably inserted into the positioning hole (42).