CN211135634U

CN211135634U - Multifunctional safety hand-held electric drill

Info

Publication number: CN211135634U
Application number: CN201921677944.7U
Authority: CN
Inventors: 陈爱玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-31
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a many functional safety hand-held electric drill, including electric drill main part, output shaft, drill bit clamp and drill bit, the output shaft is installed to the left end of electric drill main part, and the left end of output shaft is connected with the drill bit clamp to the left side of drill bit clamp is provided with the drill bit, the surface mounting of output shaft has the flabellum, and the right side of flabellum is provided with the breather pipe to the breather pipe sets up the inside in the electric drill main part, the below of breather pipe is provided with solid fixed ring, and gu fixed ring installs the lower surface in the electric drill main part, and gu fixed ring's the outside is. This hand-held electric drill of many functional safety is provided with protection casing and connecting block, and the accessible protection casing protects the drill bit, avoids taking place the winding at during operation its and external object, improves the safety in utilization of device, and the accessible connecting block is dismantled the protection casing simultaneously, conveniently changes the drill bit, improves the safety in utilization and the practicality of device.

Description

Multifunctional safety hand-held electric drill

Technical Field

The utility model relates to an electric drill technical field specifically is a many functional safety hand-held electric drill.

Background

Hand-held electric drill has advantages such as small, the quality is light, conveniently carry, and is comparatively common in the house fitment, still can change the drill bit simultaneously and make it have different service function, if function such as twist the screw, but current hand-held electric drill still has some weak points when using:

1. the conventional handheld electric drill is short of a protective device for a drill bit and an output shaft when in use, the protective device is generally directly exposed outside, certain damage can be caused to operators when the output shaft is wound on hair or clothes, certain potential safety hazards exist when the device is used, and the practicability of the device is reduced;

2. the existing handheld electric drill can generate certain dust when working, the dust can cause certain pollution to the environment when entering the air, the health of operators is damaged, part of the electric drill with the dust collection function is externally connected with a dust collection device and the like, the overall quality of the device is increased, and the functionality and the use convenience of the device are reduced.

Aiming at the problems, innovative design is urgently needed on the basis of the original hand-held electric drill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many functional safety hand-held electric drill to current hand-held electric drill on the existing market that the above-mentioned background art of solution provided lacks the protector to drill bit and output shaft when using, can cause certain damage to operating personnel if the output shaft twines to hair or clothing etc. when using, and current hand-held electric drill lacks the problem to the processing function of dust.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional safe handheld electric drill comprises an electric drill main body, an output shaft, a drill bit clamp and a drill bit, wherein the output shaft is installed at the left end of the electric drill main body, the drill bit clamp is connected to the left end of the output shaft, the drill bit is arranged on the left side of the drill bit clamp, fan blades are installed on the surface of the output shaft, a ventilating pipe is arranged on the right side of each fan blade and is arranged inside the electric drill main body, a fixing ring is arranged below each ventilating pipe and is installed on the lower surface of the electric drill main body, a mounting ring is connected to the outer side of each fixing ring, a protective cover is arranged on the outer side of the drill bit, a first connecting groove is arranged on the inner side of the protective cover, a second connecting groove is connected to the right end of the first connecting groove, a third connecting groove is arranged on the right side of the second connecting groove, the outer surface in electric drill main part is all seted up to first spread groove, second spread groove and third spread groove, the outside of movable block is provided with the spacing groove, and the spacing groove is seted up on the inner wall of third spread groove.

Preferably, a dust collection bag is arranged below the mounting ring and is made of mesh fabric, and the mounting ring is in threaded connection with the fixing ring.

Preferably, the inboard of protection casing is provided with the sealing washer, and the right side of sealing washer is provided with the connecting block to the connecting block is provided with 2 about the central line longitudinal symmetry of protection casing.

Preferably, all constitute sliding connection between connecting block and first connecting groove, second connecting groove and the third connecting groove, and first connecting groove, second connecting groove and third connecting groove three mutually perpendicular set up to the inside of first connecting groove, second connecting groove and third connecting groove is the connectivity setting.

Preferably, the surface of both sides all installs the stopper around the movable block, and constitutes sliding connection between stopper and the spacing groove to the movable block passes through to constitute extending structure between reset spring and the third spread groove.

Compared with the prior art, the beneficial effects of the utility model are that: the multifunctional safe hand-held electric drill;

(1) the protective cover and the connecting block are arranged, so that the drill bit can be protected through the protective cover, the drill bit is prevented from being wound with an external object during working, the use safety of the device is improved, meanwhile, the protective cover can be disassembled through the connecting block, the drill bit is convenient to replace, and the use safety and the practicability of the device are improved;

(2) be provided with breather pipe and dust bag, drive the flabellum through the output shaft and rotate at the device during operation, blow in the breather pipe with the dust that produces, fall into the dust bag in at last and be collected, after the use take off the dust bag clear up can, need not devices such as plus motor, improve user's operational environment, increase the functionality of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the first connecting groove of the present invention;

fig. 4 is the side-cut structure schematic diagram of the protective cover of the utility model.

In the figure: 1. an electric drill body; 2. an output shaft; 3. a bit holder; 4. a drill bit; 5. a fan blade; 6. a breather pipe; 7. a fixing ring; 8. a mounting ring; 801. a dust collection bag; 9. a protective cover; 901. a seal ring; 902. connecting blocks; 10. a return spring; 11. a first connecting groove; 12. a second connecting groove; 13. a third connecting groove; 14. a movable block; 1401. a limiting block; 15. a limiting groove.

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: a multifunctional safe handheld electric drill comprises an electric drill main body 1, an output shaft 2, a drill bit clamp 3, a drill bit 4, fan blades 5, a vent pipe 6, a fixing ring 7, a mounting ring 8, a protective cover 9, a reset spring 10, a first connecting groove 11, a second connecting groove 12, a third connecting groove 13, a movable block 14 and a limiting groove 15, wherein the output shaft 2 is installed at the left end of the electric drill main body 1, the drill bit clamp 3 is connected with the left end of the output shaft 2, the drill bit 4 is arranged at the left side of the drill bit clamp 3, the fan blades 5 are installed on the surface of the output shaft 2, the vent pipe 6 is arranged at the right side of the fan blades 5, the vent pipe 6 is arranged inside the electric drill main body 1, the fixing ring 7 is arranged below the vent pipe 6, the fixing ring 7 is installed on the lower surface of the electric drill main body 1, the mounting ring 8 is connected with the outer side of the fixing ring, a second connecting groove 12 is connected to the right end of the first connecting groove 11, a third connecting groove 13 is arranged on the right side of the second connecting groove 12, a return spring 10 is installed inside the third connecting groove 13, a movable block 14 is connected to the left end of the return spring 10, the first connecting groove 11, the second connecting groove 12 and the third connecting groove 13 are all arranged on the outer surface of the electric drill main body 1, a limiting groove 15 is arranged on the outer side of the movable block 14, and the limiting groove 15 is arranged on the inner wall of the third connecting groove 13;

the dust collection bag 801 is arranged below the mounting ring 8, the dust collection bag 801 is made of mesh fabric, the mounting ring 8 is in threaded connection with the fixing ring 7, and due to the structural design, dust generated during drilling can be collected through the dust collection bag 801, so that the working environment of an operator is improved;

the sealing ring 901 is arranged on the inner side of the protective cover 9, the connecting blocks 902 are arranged on the right side of the sealing

ring

901, 2 connecting blocks 902 are arranged in an up-down symmetrical mode about the center line of the protective cover 9, the sealing performance of connection between the protective cover 9 and the electric drill body 1 can be improved through the sealing ring 901 due to the structural design, meanwhile, the protective cover 9 can be detached through the connecting blocks 902, and the drill bit 4 can be replaced conveniently;

the connecting block 902 is in sliding connection with the first connecting groove 11, the second connecting groove 12 and the third connecting groove 13, the first connecting groove 11, the second connecting groove 12 and the third connecting groove 13 are perpendicular to each other, and the insides of the first connecting groove 11, the second connecting groove 12 and the third connecting groove 13 are all arranged in a communicating manner, and the structural design can limit the position of the connecting block 902 through the matching of the first connecting groove 11, the second connecting groove 12 and the third connecting groove 13, and meanwhile, the protective cover 9 and the electric drill main body 1 are well connected;

stopper 1401 is all installed on the front and back both sides surface of movable block 14, and constitutes sliding connection between stopper 1401 and the spacing groove 15 to movable block 14 passes through to constitute extending structure between reset spring 10 and the third connecting groove 13, and above-mentioned structural design makes and to move through reset spring 10's effect at drill bit 4 propulsion in-process protection casing 9, thereby makes protection casing 9 shelter from to the dust that produces in changeing the hole.

The working principle is as follows: in using the multifunctional safety hand-held electric drill, first, when the drill bit 4 is replaced, according to the illustration of figures 1 and 2, the hood 9 may be removed first, and the hood 9 may be rotated to rotate the connecting block 902 along the second connecting groove 12 into the first connecting groove 11, as shown in fig. 4, the connector block 902 can then be slid out along the first connector slot 11, as shown in fig. 1, to complete the removal of the shield 9, the original drill bit 4 can then be removed by means of the drill chuck 3, and a new drill bit 4 can then be placed in the drill chuck 3 for fixation, then, the hood 9 is installed, the connection block 902 is inserted into the first connection groove 11 through the hood 9, the boot 9 is then rotated, so that the attachment block 902 is located at the intersection of the second attachment slot 12 and the third attachment slot 13, the connecting block 902 is limited to a certain extent by the extrusion of the movable block 14, so that the protective cover 9 can keep good stability;

when the electric drill body 1 is started to work, the right end of the protective cover 9 can be attached to the surface of a working face to be processed according to the figures 1 and 4, then the electric drill body 1 is pushed to enable the drill bit 4 to move forwards to carry out punching operation, when the electric drill body 1 moves, the protective cover 9 pushes the movable block 14 to move through the connecting block 902, the movable block 14 slides along the limiting groove 15 under the action of the limiting block 1401, so that the protective cover 9 can keep the protection of the drill bit 4, and simultaneously the output shaft 2 rotates at high speed and drives the fan blades 5 to rotate, thereby generating suction force to send the dust into the dust collection bag 801 along the vent pipe 6, the gas is emitted out through the dust collection bag 801 to finish the collection of the dust, the working environment of an operator is improved, after use, the installation ring 8 is rotated and taken down to clean the dust collection bag 801, so that the practicability and the functionality of the device are improved.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a many functional safety hand-held electric drill, includes electric drill main part (1), output shaft (2), drill bit clamp (3) and drill bit (4), its characterized in that: the electric drill is characterized in that an output shaft (2) is installed at the left end of the electric drill main body (1), the left end of the output shaft (2) is connected with a drill bit clamp (3), a drill bit (4) is arranged on the left side of the drill bit clamp (3), fan blades (5) are installed on the surface of the output shaft (2), a ventilating pipe (6) is arranged on the right side of each fan blade (5), the ventilating pipe (6) is arranged inside the electric drill main body (1), a fixing ring (7) is arranged below each ventilating pipe (6), the fixing ring (7) is installed on the lower surface of the electric drill main body (1), the outer side of each fixing ring (7) is connected with a mounting ring (8), a protective cover (9) is arranged on the outer side of each drill bit (4), a first connecting groove (11) is formed in the inner side of each protective cover (9), a second connecting groove (12) is connected with the right end of the first connecting groove, and the internally mounted of third spread groove (13) has reset spring (10) to the left end of reset spring (10) is connected with movable block (14), the surface in electric drill main part (1) is all seted up in first spread groove (11), second spread groove (12) and third spread groove (13), the outside of movable block (14) is provided with spacing groove (15), and spacing groove (15) are seted up on the inner wall of third spread groove (13).

2. A multifunctional safety hand-held electric drill according to claim 1, wherein: a dust collection bag (801) is arranged below the mounting ring (8), the dust collection bag (801) is made of mesh fabric, and the mounting ring (8) is in threaded connection with the fixing ring (7).

3. A multifunctional safety hand-held electric drill according to claim 1, wherein: the inner side of the protective cover (9) is provided with a sealing ring (901), the right side of the sealing ring (901) is provided with a connecting block (902), and the connecting block (902) is up-down symmetrically provided with 2 about the central line of the protective cover (9).

4. A multifunctional safety hand-held electric drill according to claim 3, wherein: all constitute sliding connection between connecting block (902) and first connecting groove (11), second connecting groove (12) and third connecting groove (13), and first connecting groove (11), second connecting groove (12) and third connecting groove (13) three mutually perpendicular set up to the inside of first connecting groove (11), second connecting groove (12) and third connecting groove (13) is the intercommunication form setting.

5. A multifunctional safety hand-held electric drill according to claim 1, wherein: the front side surface and the rear side surface of the movable block (14) are respectively provided with a limiting block (1401), the limiting blocks (1401) and the limiting grooves (15) are in sliding connection, and the movable block (14) forms a telescopic structure through the return spring (10) and the third connecting grooves (13).