CN210125754U

CN210125754U - Mechanical drilling device convenient for quickly replacing drill bit

Info

Publication number: CN210125754U
Application number: CN201920815938.7U
Authority: CN
Inventors: 邵文庆
Original assignee: Yongcheng Vocational College
Current assignee: Yongcheng Vocational College
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-03-06
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a mechanical drilling device convenient to quick replacement drill bit, including the electric drill body, all be provided with the heat dissipation through-hole that the equidistance distributes on the both sides outer wall of electric drill body, and the electric drill body is close to the heat dissipation through-hole under be provided with the battery that is circular structure, battery top outer wall both sides all are provided with the connection cardboard that is the distribution of rectangle structure, and connect the cardboard and connect in the draw-in groove that sets up on the outer wall of electric drill body both sides, there is the handle through bolt fixed mounting on the outer wall that the electric drill body is close to heat dissipation through-hole one end, and has cup jointed the sponge sleeve on the outer wall. The utility model discloses can effectually reach the effect that this electric drill is convenient for change the drill bit for under the condition that wearing and tearing or rupture appear at the drill bit, the more new drill bit of person of facilitating the use can play fine guard action to the drill bit again simultaneously, makes the life of drill bit obtain effectual extension.

Description

Mechanical drilling device convenient for quickly replacing drill bit

Technical Field

The utility model relates to a machining equipment technical field especially relates to a mechanical drilling device convenient to quick replacement 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, and the working principle of the electric drill is that a motor rotor of an electromagnetic rotary or electromagnetic reciprocating small-capacity motor does magnetic field cutting work-doing operation, and an 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.

The electric drill is applied to various technical fields, but has a communicated problem, the situation that the drill bit part is easily abraded or broken after the electric drill is used for a long time is very easy, the whole electric drill is damaged and cannot be used under the serious situation, the punching quality is directly influenced, the mode of replacing the drill bit is complicated under the situation that the drill bit of the existing part of the electric drill is abraded or broken, and the working efficiency of a user is greatly reduced. Therefore, it is desirable to solve the above problems by designing a mechanical drilling apparatus that facilitates quick replacement of a drill bit.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a mechanical drilling device convenient for rapidly replacing a drill bit.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mechanical drilling device convenient to quick replacement drill bit, includes the electric drill body, all be provided with the heat dissipation through-hole that the equidistance distributes on the both sides outer wall of electric drill body, and the electric drill body is provided with the battery that is circular structure under being close to the heat dissipation through-hole, battery top outer wall both sides all are provided with the connection cardboard that is the distribution of rectangle structure, and connect the cardboard and connect in the draw-in groove that sets up on the outer wall of electric drill body both sides, there is the handle through bolt fixed mounting on the outer wall that the electric drill body is close to heat dissipation through-hole one end, and has cup jointed the sponge sleeve on the outer wall of handle, be provided with the start-stop button that is arcuation structure on the inner wall of handle, the other end swing joint that the handle was kept away from to the electric drill body.

Further, the drill bit assembly comprises an upper screw pipe and a lower screw pipe, the upper screw pipe is movably connected to the outer wall of the top of the lower screw pipe, anti-slip layers are arranged on the outer walls of the upper screw pipe and the lower screw pipe, a conical fixing pipe is arranged on the outer wall of the top of the upper screw pipe, and a drill bit jack is arranged at the axis of the top of the conical fixing pipe.

Further, be provided with the screw thread that the equidistance distributes on the inner wall of drill bit jack, and be provided with the connection carousel that is circular structure and distributes on the solenoid top inner wall down, and the specification of connecting the carousel and the specification looks adaptation of solenoid down, be provided with the centre gripping subassembly on the inner wall that the solenoid is close to connection carousel top down.

Furthermore, arc plates which are distributed in an annular shape at equal intervals are arranged on the inner wall, located in the drill bit insertion hole, of the inner portion of the upper spiral pipe, and threaded rubber pipes are arranged on the inner wall of each arc plate.

Further, the centre gripping subassembly includes reset spring, reset spring equidistance distributes inside the both sides of solenoid down, and reset spring keeps away from the other end of solenoid inner wall down and is provided with the support arm, the other end that reset spring was kept away from to the support arm is provided with arc splint.

Furthermore, a fixed hole groove is formed in the axis of the connecting turntable, and the fixed hole groove is communicated with the upper screw tube, the lower screw tube and the drill bit jack.

The utility model has the advantages that:

1. through the drill bit assembly who sets up, can effectually reach the effect that this electric drill is convenient for change the drill bit for under the condition that wearing and tearing or rupture appear in the drill bit, the person of facilitating the use changes new drill bit, thereby has effectively guaranteed user's normal use, and the normal clear of the work of punching, avoids appearing owing to the condition that the work efficiency is low that the change drill bit leads to.

2. Through the threaded rubber pipe who sets up, can play fine guard action to the drill bit for the life of drill bit has obtained effectual extension, can prevent effectively that the condition of rupture from very easily appearing under the condition that suffers external force influence from the drill bit, can reduce the condition appearance that the dust that produces in the process of punching got into the electric drill simultaneously, thereby greatly improved the quality of structure of this electric drill, do, avoid because the drill bit can't obtain the appearance of the breakage condition that effectual protection and lead to.

3. Through the centre gripping subassembly that sets up, can be fine play the clamping action to the drill bit for more firm of drill bit has promoted the life of drill bit, avoids appearing because the condition of slippage appears in the insecure and lead to the use of drill bit centre gripping.

Drawings

Fig. 1 is a schematic structural view of a mechanical drilling device for facilitating quick replacement of a drill bit according to the present invention;

fig. 2 is a schematic structural diagram of a drill bit assembly of a mechanical drilling device for facilitating quick replacement of a drill bit according to the present invention;

fig. 3 is a schematic cross-sectional view of a drill bit assembly of a mechanical drilling device for facilitating quick replacement of a drill bit according to the present invention;

fig. 4 is a schematic structural view of an arc-shaped plate of the mechanical drilling device for rapidly replacing the drill bit according to the present invention;

fig. 5 is a schematic view of a cross-sectional structure of an upper bare tube of a mechanical drilling device for facilitating quick replacement of a drill bit according to the present invention;

fig. 6 is the utility model provides a be convenient for mechanical drilling device's of quick replacement drill bit centre gripping subassembly schematic structure.

In the figure: the electric drill comprises an electric drill body 1, an auxiliary handle 2, a storage battery 3, a connecting clamping plate 4, a handle 5, a heat dissipation through hole 6, a drill bit assembly 7, an upper screw pipe 8, a lower screw pipe 9, a conical fixing pipe 10, a drill bit jack 11, an arc-shaped plate 12, a clamping assembly 13, an arc-shaped clamping plate 14, a supporting arm 15, a reset spring 16, a threaded rubber pipe 17, a connecting turntable 18 and an on-off button 19.

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 to 6, a mechanical drilling device convenient for fast replacement of a drill bit comprises an electric drill body 1, wherein heat dissipation through holes 6 are arranged on the outer walls of two sides of the electric drill body 1 at equal intervals, the heat dissipation through holes 6 are arranged to effectively realize a heat dissipation effect on the electric drill body 1 and avoid a short circuit condition caused by overheating of the electric drill during operation, a storage battery 3 in a circular structure is arranged under the electric drill body 1 close to the heat dissipation through holes 6, connecting clamping plates 4 in a rectangular structure are arranged on two sides of the outer wall of the top of the storage battery 3, the connecting clamping plates 4 are clamped in clamping grooves formed in the outer walls of two sides of the electric drill body 1, the connecting clamping plates 4 can well fix electric power storage to enable connection to be closer, a handle 5 is fixedly installed on the outer wall of one end, close to the heat dissipation through holes 6, of the electric, and cup jointed the sponge sleeve on handle 5's the outer wall, sponge sleeve's setting can effectually play certain guard action to both hands, travelling comfort and installation nature when having promoted the use simultaneously, be provided with the start-stop button 19 that is ARC structure on handle 5's the inner wall, the other end swing joint that handle 5 was kept away from to electric drill body 1 has drill bit assembly 7, and fixed mounting has vice handle 2 on being located electric drill body 1's the outer wall between drill bit assembly 7 and the heat dissipation through-hole 6, be provided with the skid resistant course on vice handle 2's the outer wall, travelling comfort when having promoted the use.

Further, drill bit subassembly 7 includes solenoid 8 and lower solenoid 9, go up solenoid 8 swing joint on the top outer wall of solenoid 9 down, and all be provided with the skid resistant course on the outer wall of solenoid 8 and solenoid 9 down, it is provided with the fixed pipe of toper 10 on the outer wall of 8 tops of solenoid, and the fixed pipe of top axle center department of toper 10 opens there is drill bit jack 11, the setting of drill bit subassembly 7 can effectually reach the effect that this electric drill is convenient for change the drill bit, make under the condition that wearing and tearing or rupture appear at the drill bit, the more new drill bit of person of facilitating the use, thereby user's normal use has effectively been guaranteed, and the normal clear of work of punching, avoid appearing owing to the condition that the work efficiency that the change drill bit leads to is low.

Further, be provided with the screw thread that the equidistance distributes on the inner wall of drill bit jack 11, the setting of screw thread can increase the inside resistance of drill bit jack 11, the condition that prevents the drill bit slippage appears, can play fine fixed effect to the drill bit simultaneously, and be provided with the connection carousel 18 that is circular structure and distributes on the screwed pipe 9 top inner wall down, and the specification of connecting carousel 18 and the specification looks adaptation of screwed pipe 9 down, screwed pipe 9 is provided with centre gripping subassembly 13 on being close to the inner wall of connecting carousel 18 top down.

Further, the inner wall of the upper spiral pipe 8, which is located in the drill bit insertion hole 11, is provided with the arc plates 12 which are distributed annularly at equal intervals, the inner wall of each arc plate 12 is provided with the threaded rubber pipe 17, and the arrangement of the arc plates 12 can well fix the drill bit, so that the drill bit is more stable in the using process, and the service life of the drill bit is prolonged.

Further, centre gripping subassembly 13 includes reset spring 16, reset spring 16 equidistance distributes inside the both sides of solenoid 9 down, and reset spring 16 keeps away from the other end of solenoid 9 inner wall down and is provided with support arm 15, and support arm 15 keeps away from the other end of reset spring 16 and is provided with arc splint 14, and the setting of centre gripping subassembly 13 can be fine plays the clamping action to the drill bit for more firm of drill bit has promoted the life of drill bit.

Furthermore, the axle center of the connecting rotary table 18 is provided with a fixed hole groove, the fixed hole groove is communicated with the upper screw pipe 8, the lower screw pipe 9 and the drill bit jack 11, the arrangement of the connecting rotary table 18 can well achieve the transmission effect of the drill bit, meanwhile, the drill bit can be firmer, the working efficiency of the drill bit is improved, and the breakage caused by the fact that the drill bit is not firm in fixation is avoided.

The working principle is as follows: when the mechanical drilling device convenient for quickly replacing the drill bit is used, an operator clamps the storage battery 3 to the connector of the electric drill body 1 through the connecting clamping plate 4 fixedly installed on the outer wall of the top part, then inserts the drill bit into the drill bit assembly 7, when the drill bit is inserted into the drill bit assembly 7 through the drill bit insertion hole 11, the inner part of the drill bit insertion hole 11 is provided with the arc-shaped plates 12 distributed at equal intervals, the inner walls of the arc-shaped plates 12 are provided with the thread structures distributed at equal intervals, the inner part of the drill bit insertion hole 11 is provided with the thread rubber tube 17, when the drill bit passes through the clamping assembly 13, the arc-shaped clamping plates 14 can realize effective clamping effect on the drill bit through the acting force of the supporting arms 15 to the reset spring 16, meanwhile, the arc-shaped clamping plates 14 can realize effective fixing effect on the drill bits with different specifications, then drive its inside arc 12 through rotating last solenoid 8 and gather together and can carry out the fixed action again to the drill bit, and threaded rubber tube 17 can realize fine guard action to the inside of drill bit subassembly 7, avoids clastic entering and the condition that leads to the drill bit to roll over and decrease to appear in the use, the interact of arc and centre gripping subassembly 13 for the drill bit is convenient for more change, can effectual promotion work efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mechanical drilling device convenient for quickly replacing a drill bit comprises an electric drill body (1) and is characterized in that heat dissipation through holes (6) distributed at equal intervals are formed in outer walls of two sides of the electric drill body (1), a storage battery (3) with a circular structure is arranged under the position, close to the heat dissipation through holes (6), of the electric drill body (1), connecting clamping plates (4) distributed in a rectangular structure are arranged on two sides of the outer wall of the top of the storage battery (3), the connecting clamping plates (4) are clamped in clamping grooves formed in the outer walls of the two sides of the electric drill body (1), a handle (5) is fixedly installed on the outer wall, close to one end of each heat dissipation through hole (6), of the electric drill body (1) through bolts, a sponge sleeve is sleeved on the outer wall of the handle (5), an opening and closing button (19) with an arc-shaped structure is arranged on the inner wall of the handle (5), and a drill bit assembly (7) is movably connected to the, and an auxiliary handle (2) is fixedly arranged on the outer wall of the electric drill body (1) between the drill bit component (7) and the heat dissipation through hole (6).

2. The mechanical drilling device convenient for rapidly replacing the drill bit as claimed in claim 1, wherein the drill bit assembly (7) comprises an upper screw tube (8) and a lower screw tube (9), the upper screw tube (8) is movably connected to the outer wall of the top of the lower screw tube (9), the outer walls of the upper screw tube (8) and the lower screw tube (9) are provided with anti-slip layers, the outer wall of the top of the upper screw tube (8) is provided with a conical fixing tube (10), and the top axis of the conical fixing tube (10) is provided with a drill bit jack (11).

3. The mechanical drilling device convenient for rapidly replacing the drill bit as claimed in claim 2, wherein the drill bit insertion hole (11) is provided with threads distributed at equal intervals on the inner wall, the inner wall of the top of the lower screw tube (9) is provided with connecting turntables (18) distributed in a circular structure, the specification of the connecting turntables (18) is matched with that of the lower screw tube (9), and the inner wall of the lower screw tube (9) above the connecting turntables (18) is provided with a clamping assembly (13).

4. The mechanical drilling device convenient for rapidly replacing the drill bit as claimed in claim 3, wherein a fixing hole groove is arranged at the axis of the connecting rotary disc (18), and the fixing hole groove is communicated with the upper screw tube (8), the lower screw tube (9) and the drill bit insertion hole (11).

5. A mechanical drilling device facilitating quick replacement of a drill bit according to claim 3, characterized in that the clamping assembly (13) comprises a return spring (16), the return spring (16) is distributed equidistantly inside both sides of the lower coil (9), and the other end of the return spring (16) away from the inner wall of the lower coil (9) is provided with a support arm (15), and the other end of the support arm (15) away from the return spring (16) is provided with an arc-shaped clamping plate (14).

6. The mechanical drilling device convenient for rapidly replacing the drill bit as claimed in claim 2, wherein the inner wall of the upper screw pipe (8) positioned on the drill bit insertion hole (11) is provided with arc-shaped plates (12) which are distributed in an annular shape at equal intervals, and the inner wall of the arc-shaped plate (12) is provided with a thread rubber pipe (17).