CN211052610U

CN211052610U - Drilling device capable of removing dust

Info

Publication number: CN211052610U
Application number: CN201922108741.2U
Authority: CN
Inventors: 赵晨瑞; 赵兰柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-21
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of drilling equipment, in particular to a dust-removing drilling device, which comprises a shell, a drill bit, a drilling saw blade, a fixed bearing, a shaft sleeve and a first spring; the shell is a hollow shell structure; the drill bit penetrates through the shell, the drilling saw blade and the drill bit are coaxially arranged, the drilling saw blade is arranged in the shell, and a through hole is formed in the shell at a position corresponding to the tail end of the drilling saw blade; the drill bit and the drilling saw blade are connected to the shell through a fixed bearing and a shaft sleeve; the outer side of the surface of the shell provided with the through hole is provided with an elastic pad; the first spring is sleeved on the drill bit, and one end of the first spring is connected to the drilling saw blade. The drill bit and the drilling saw blade of the utility model are connected on the shell through the fixed bearing and the shaft sleeve, the shell and the surface to be drilled are provided with the elastic cushion, and flying chips are prevented from flying out of the shell in the drilling process; the cooperation of fan and brush makes the flying chip that the drilling produced all collect the shell in, simultaneously, has cleared up remaining flying chip on the drill bit, and dust removal effect is better.

Description

Drilling device capable of removing dust

Technical Field

The utility model belongs to the technical field of drilling equipment, in particular to perforator can remove dust.

Background

In the prior art, when a hole is formed in a suspended ceiling, the hole is directly formed by matching a corresponding drill bit with an electric drill. The prior art also discloses a drilling dust removal equipment, publication number CN203127787U, and in this patent document, designed a box body, including box body 1, bearing 2 and brush 3, this box body need fix with the screw on the wall body that will drill when using, then stretch into the through-hole on the box body to drill to the drill bit. The scheme needs to disassemble and install the box body in each hole, and needs to be further improved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a section can remove dust the perforator of trompil on the gypsum board based on above-mentioned technical problem, be equipped with collection dirt shell on this perforator drill bit. Based on this purpose, the utility model discloses a technical scheme as follows:

a drill capable of removing dust comprises a shell, a drill bit, a drilling saw blade, a fixed bearing, a shaft sleeve and a first spring; the shell is a hollow shell structure; the drill bit penetrates through the shell, the drilling saw blade and the drill bit are coaxially arranged, the drilling saw blade is arranged in the shell, and a through hole is formed in the shell corresponding to the tail end of the drilling saw blade; the drill bit and the drilling saw blade are connected to the shell through a fixed bearing and a shaft sleeve; an elastic pad is arranged on the outer side of the surface of the shell, which is provided with the through hole, and the elastic pad is also provided with the through hole; the first spring is sleeved on the drill bit, and one end of the first spring is connected to the drilling saw blade.

Furthermore, the drilling saw blade comprises a first drilling saw blade and a second drilling saw blade, the saw tooth direction of the first drilling saw blade is consistent with the direction of the drill bit, and the saw tooth direction of the second drilling saw blade is perpendicular to the drill bit.

Furthermore, the side wall of the first drilling saw blade is provided with a chip removal hole.

Further, the shaft sleeve comprises an outer bushing and an inner bushing, the outer bushing is installed between the bearing and the drill bit, and the inner bushing is arranged above the outer bushing.

Further, the outer diameter of one end of the inner bushing, which is adjacent to the outer bushing, is smaller than the inner diameter of the outer bushing, and the outer diameter of the other end of the inner bushing is larger than the inner diameter of the outer bushing.

Further, the drilling tool also comprises a hairbrush, and the hairbrush is arranged between the shaft sleeve and the drilling head.

Furthermore, the portable box also comprises a fan, and the fan is arranged on the side surface of the box body.

Furthermore, the electric drill also comprises a second spring, and the second spring is arranged between the shell and the electric drill.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a drill bit and drilling saw bit pass through fixed bearing and axle sleeve and connect on the shell, are equipped with the cushion on shell and the face of wanting to drill, in the drilling process, utilize the electric drill to apply force to the drill bit and make cushion and drilling plane laminate, avoid flying the bits to fly out from the shell;

(2) the drilling saw blade is provided with a double-layer saw blade, so that a step hole can be drilled, and the installation part of the spotlight can be conveniently matched;

(3) be equipped with the brush between drill bit and the axle sleeve, the shell outside is equipped with the fan, and the fan and the cooperation of brush make the flying chips that drilling produced all collect the shell in, simultaneously, have cleared up remaining flying chips on the drill bit, and dust removal effect is better.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment;

FIG. 2 is a schematic structural diagram of the first embodiment;

FIG. 3 is a schematic cross-sectional view illustrating the structure of the first embodiment;

FIG. 4 is a schematic structural diagram of a second embodiment;

FIG. 5 is a schematic structural diagram of a second embodiment;

FIG. 6 is a schematic cross-sectional view illustrating a second embodiment;

in the figure, 1-shell, 12-elastic pad, 2-drill, 3-drilling saw blade, 31-first drilling saw blade, 32-second drilling saw blade, 33-chip removal hole, 4-fixed bearing, 5-shaft sleeve, 51-outer bushing, 52-inner bushing, 6-first spring, 7-brush, 8-fan, 9-second spring.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Example 1

As shown in fig. 1 to 3, a dust-removable drill includes a housing 1, a drill bit 2, a drilling saw blade 3, a fixed bearing 4, a bushing 5, and a first spring 6. The shell 1 is a hollow shell structure, the drill bit 2 penetrates through one side face of the shell 1 and extends out of the opposite face of the shell, the drilling saw blade 3 and the drill bit 2 are coaxially arranged, the drilling saw blade 3 is arranged in the shell 1, a through hole is formed in the shell 1 corresponding to the face of the tail end of the drilling saw blade 3, and the diameter of the through hole is larger than that of the drilling saw blade 3. Drill bit 2 and drilling saw bit 3 are connected on shell 1 through fixing bearing 4 and axle sleeve 5, and fixing bearing 4 guarantees the smooth rotation of drill bit and drilling saw bit 3, and axle sleeve 5 guarantees the axial displacement of drill bit 2 and drilling saw bit. An elastic pad 12 is arranged on the outer side of the surface of the shell 1 provided with the through hole 11, and the elastic pad is compressed during drilling, so that a sealed space is formed between the shell 1 and the surface of the drilled hole. The first spring 6 is sleeved on the drill bit 2, and one end of the first spring is connected to the drilling saw blade 3. During drilling, an operator applies thrust by using an electric drill, the first spring 6 of the spring is compressed, and after the drilling is finished, the spring provides restoring force to enable the drill to return.

The saw blade 3 includes a first saw blade 31 and a second saw blade 32, the direction of the teeth of the first saw blade 31 is the same as the direction of the drill 2, and the direction of the teeth of the second saw blade 32 is perpendicular to the drill 2. The first saw blade 31 is disposed at an end near the through hole 11, the second saw blade 32 is disposed at an end far from the through hole in the housing, and the diameter of the second saw blade 32 is larger than that of the first saw blade 31.

The side wall of the first drilling blade 31 is provided with clearance holes 33. During drilling, due to the operation from bottom to top, the generated flying chips can be accumulated in the cylinder of the drilling saw blade, the side wall is provided with the chip removal hole 33 at the moment, and the generated flying chips are discharged from the chip removal hole 33 and are prevented from being accumulated in the drilling saw blade 3.

The sleeve 5 comprises an outer bush 51 mounted between the bearing 4 and the drill bit 2, and an inner bush 52 provided above the outer bush 51. The outer diameter of the adjacent end of the inner and

outer liners

52 and 51 is smaller than the inner diameter of the outer liner 51, and the outer diameter of the other end is larger than the inner diameter of the outer liner 51. When the drill 2 moves axially, the inner bush 52 moves in the direction of the bearing 4, and when the drill moves to the outer bush 51, one end of the inner bush 52 moves into the outer bush 51, and the other end is caught on the outer bush 52.

A second spring 9 is arranged between the housing 1 and the electric drill, and the second spring 9 is arranged between the housing 1 and the electric drill.

The utility model discloses a working process is: when needing to drill, connect the one end that lies in the shell 1 outside to drill 2 on the electric drill, then aim at the position that will drill with the one side that the drill 2 lies in the shell 1 inboard and drill, the drilling saw blade 3 cuts the drilling. During drilling, 2 rebound of drill bit, first spring and second spring are all compressed, and after the drilling, 2 stop to remove of drill bit, drill bit 2 withdraws from fast under the resilience force effect of spring.

Example 2

The difference between this embodiment and embodiment 1 is that this embodiment is provided with a brush and a fan.

As shown in fig. 4-6, a dust-removing drill includes a housing 1, a drill bit 2, a drilling saw blade 3, a fixed bearing 4, a bushing 5, and a first spring 6. The shell 1 is a hollow shell structure; the drill bit 2 penetrates through the shell 1, the drilling saw blade 3 and the drill bit 2 are coaxially arranged, the drilling saw blade 3 is arranged in the shell 1, and the shell 1 corresponds to the position of the tail end of the drilling saw blade 3, and a through hole 11 is formed. The drill bit 2 and the drilling saw blade 3 are connected to the housing 1 by means of a fixed bearing 4 and a sleeve 5. The sleeve 5 comprises an outer bush 51 and an inner bush 52, the outer bush 51 is mounted between the bearing 4 and the drill bit 2, the inner bush 52 is arranged above the outer bush 51, and the brush 7 is arranged between the outer bush 51 and the drill bit 2. The side of the casing 1, which is attached to the drill bearing surface, is provided with an elastic pad, the elastic pad is also provided with a through hole, and one side of the casing 1 is provided with a fan 8. The first spring 6 is fitted over the drill 2 and has one end connected to the drilling saw blade 3. During drilling, an operator applies thrust by using an electric drill, the first spring 6 of the spring is compressed, and after the drilling is finished, the spring provides restoring force to enable the drill to return.

outer liners

During the use, with 2 centre gripping of drill bit on the electric drill, during drilling, 2 drive brushes 7 rotations of drill bit, fan 8 is connected with the bearing through bevel gear mechanism, and fan 8 outwards inhales the air in the shell 1 when rotating for form the negative pressure in the shell 1, piece and dust are inhaled in the shell 1 through first through-hole by the surface of negative pressure from drilling. After the drilling is finished, when the drill bit rotates reversely, the brush 7 rotates reversely, and dust remaining on the drill bit groove is swept into the shell 1.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. A dust collectable reamer characterized by: comprises a shell (1), a drill bit (2), a drilling saw blade (3), a fixed bearing (4), a shaft sleeve (5) and a first spring (6); the shell (1) is a hollow shell structure; the drill bit (2) penetrates through the shell (1), the drilling saw blade (3) and the drill bit (2) are coaxially arranged, the drilling saw blade (3) is arranged in the shell (1), and a through hole (11) is formed in the shell (1) corresponding to the tail end of the drilling saw blade (3); the drill bit (2) and the drilling saw blade (3) are connected to the shell (1) through a fixed bearing (4) and a shaft sleeve (5); an elastic pad (12) is arranged on the outer side of the surface of the shell (1) provided with the through hole, and the elastic pad (12) is also provided with the through hole; the first spring (6) is sleeved on the drill bit (2), and one end of the first spring is connected to the drilling saw blade (3).

2. The dust-collectable reamer of claim 1, wherein: the drilling saw blade (3) comprises a first drilling saw blade (31) and a second drilling saw blade (32), the saw tooth direction of the first drilling saw blade (31) is consistent with the direction of the drill bit (2), and the saw tooth direction of the second drilling saw blade (32) is perpendicular to the drill bit (2).

3. The dust-collectable reamer of claim 2, wherein: the side wall of the first drilling saw blade (31) is provided with a chip removal hole (33).

4. The dust-collectable reamer of claim 1, wherein: the shaft sleeve (5) comprises an outer bushing (51) and an inner bushing (52), the outer bushing is installed between the bearing (4) and the drill bit (2), and the inner bushing (52) is arranged above the outer bushing (51).

5. The dust-collectable reamer of claim 4, wherein: the outer diameter of one end of the inner bushing (52) adjacent to the outer bushing is smaller than the inner diameter of the outer bushing (51), and the outer diameter of the other end of the inner bushing is larger than the inner diameter of the outer bushing (51).

6. The dust-collectable reamer of claim 1, wherein: the drilling tool is characterized by further comprising a brush (7), wherein the brush (7) is arranged between the shaft sleeve (5) and the drilling bit (2).

7. The dust-collectable reamer of claim 6, wherein: the fan-shaped fan is characterized by further comprising a fan (8), wherein the fan (8) is arranged on the side face of the shell (1).

8. The dust-collectable reamer of claim 1, wherein: the electric drill is characterized by further comprising a second spring (9), wherein the second spring (9) is arranged between the shell (1) and the electric drill.