CN216831633U

CN216831633U - Drilling dust collector

Info

Publication number: CN216831633U
Application number: CN202122703444.XU
Authority: CN
Inventors: 周肃虎; 胡建林; 金建跃; 余水菠; 陈瑛
Original assignee: Jinhua Jinshun Tools Co Ltd
Current assignee: Jinhua Jinshun Tools Co Ltd
Priority date: 2021-11-07
Filing date: 2021-11-07
Publication date: 2022-06-28
Anticipated expiration: 2031-11-07

Abstract

A drilling dust collector comprises an upper cover, a bottom shell, a dust collection fan assembly, a dust filtering component and a dust collection cover. The upper cover is connected with the bottom shell and jointly limits the inner cavity, a first through hole for the drill bit to pass through is formed in one end of the upper cover, and a second through hole for the drill bit to pass through is formed in the position, corresponding to the first through hole, of one end of the bottom shell. The dust collection fan assembly and the dust filtering component are respectively arranged in the inner cavity, the dust collection fan assembly comprises a rack and a dust collection fan, and the dust collection fan is fixed on the rack. The integrated cover is arranged between the rack and the bottom shell and is respectively connected with the rack and the bottom shell, the top surface of the integrated cover abuts against the inner wall of one end of the upper cover, the dust collection cover, the upper cover and the bottom shell jointly limit a dust collection cavity, and the dust collection cavity is respectively communicated with the first through hole and the second through hole. The dust filtering component is positioned between the dust collection fan and the top surface of the dust collection cover, and the top surface of the integrated cover is provided with a plurality of openings at the positions corresponding to the dust filtering component. Compared with the prior art, the utility model has larger dust storage capacity.

Description

Drilling dust collector

Technical Field

The utility model relates to an electric cleaning tool, in particular to a drilling dust collector for drilling a hole on a wall surface by a handheld electric drill.

Background

When interior decoration, often need carry out secondary fixed point drilling at walls such as gypsum board, composite sheet, calcium silicate board, foaming cement board with the electric drill, for avoiding the dust to scatter and cause environmental pollution at wall and ground, often need use the drilling dust arrester to collect the dust.

The existing drilling dust collector mainly comprises a shell, a dust absorption fan component, a dust filtering component, a vacuum pump, a battery and other components. In the existing drilling dust collector, a dust collection fan assembly is directly fixed on a bottom shell, and the defects that the layout structure is not reasonable enough and the dust storage capacity is too small exist. In addition, the power supply of the existing drilling dust collector is a dry battery, and the battery needs to be replaced after the electric quantity of the battery is exhausted, so that the use cost is higher.

Disclosure of Invention

The utility model aims to provide a drilling dust collector which has compact structure, large dust storage capacity and convenient use.

The drilling dust collector comprises an upper cover, a bottom shell, a dust collection fan assembly and a dust filtering component, wherein the upper cover is connected with the bottom shell and jointly defines an inner cavity; one end of the upper cover is provided with a first through hole for a drill bit to pass through, and one end of the bottom shell is provided with a second through hole for the drill bit to pass through at a position corresponding to the first through hole; the dust collection fan assembly and the dust filtering component are respectively arranged in the inner cavity, the dust collection fan assembly comprises a rack and a dust collection fan, and the dust collection fan is fixed on the rack; the drilling dust collector is characterized by comprising a dust collection cover, wherein the integrated cover is arranged between the rack and the bottom shell and is respectively connected with the rack and the bottom shell; the dust filtering component is positioned between the dust collection fan and the top surface of the dust collection cover, and the top surface of the integrated cover is provided with a plurality of openings at the positions corresponding to the dust filtering component.

Further, the dust collector that drills includes lithium cell, PCBA board and Type-C mouth that charges, PCBA board respectively with lithium cell and Type-C mouthful electrical connection that charges, PCBA board is equipped with the charging circuit who is used for charging for the lithium cell.

The utility model has at least the following advantages:

1. compared with the prior art, the dust collection chamber is formed by arranging the dust collection cover between the dust collection fan component and the bottom shell, so that the dust storage capacity is increased, dust generated by drilling more times can be contained, the operation times of pouring out the accumulated dust by a user are reduced, and the use of the user is facilitated;

2. according to the embodiment of the utility model, the lithium battery is used as a power supply, the Type-C charging port is adopted, and the charging can be completed by using the mobile phone charger, so that the repeated recycling of the battery is realized, repeated dry battery purchasing and additional charger are not needed, and the use cost of a user is reduced.

Drawings

Fig. 1 shows an external view of a dust collector for boring according to an embodiment of the present invention.

Fig. 2 shows an internal structure diagram of the dust collector for boring according to the embodiment of the present invention.

Fig. 3 shows a schematic cross-sectional view of a dust collector for a borehole according to an embodiment of the present invention.

Fig. 4 is a schematic view illustrating a transparent cover of a borehole dust collector in an open state according to an embodiment of the present invention.

Figure 5 shows a schematic view of a dust cage according to an embodiment of the utility model.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

Please refer to fig. 1 to 5. The drilling dust collector according to one embodiment of the utility model comprises a housing 1, a dust suction fan assembly 2, a dust filter component 3, a dust collection cover 4, a vacuum pump 5, a lithium battery 6, a PCBA board 7 and a Type-C charging port 8.

The housing 1 includes an upper cover 11 and a bottom case 12. The upper lid 11 is connected to the bottom shell 12 and together define an internal cavity 10. One end of the upper cover 11 is provided with a first through hole 110 for the drill 200 to pass through, and one end of the bottom case 12 is provided with a second through hole 120 for the drill 200 to pass through at a position corresponding to the first through hole 110.

The dust collection fan assembly 2, the dust filtering component 3 and the dust collection cover 4 are respectively arranged in the inner cavity 10. The dust suction fan assembly 2 includes a frame 21 and a dust suction fan fixed to the frame 21. The dust collection fan comprises a motor 23 and a fan blade 24, and the fan blade 24 is connected with an output shaft 231 of the motor 23.

The integrated cover 4 is disposed between the frame 21 and the bottom case 12, and is connected to the frame 21 and the bottom case 12, respectively. In the present embodiment, the chassis 21, the integrated cover 4, and the bottom case 12 are detachably coupled together by a plurality of second screws 92.

The top surface 41 of the integrated cover 4 abuts against the inner wall of one end of the upper cover 11, and the dust collection cover 4, the upper cover 11 and the bottom case 12 together define a dust collection chamber 20, and the dust collection chamber 20 is communicated with the first through hole 110 and the second through hole 120 respectively.

The dust filter 3 is located between the dust suction fan and the top surface 41 of the dust collecting cover 4, and the top surface 41 of the dust collecting cover 4 is provided with a plurality of openings 40 at the positions corresponding to the dust filter 3. The meaning of "a number" herein means one or more. In this embodiment, the dust filter 3 is a dust filter screen (HEPA), the openings 40 are groove-shaped, and the number of the openings 40 is plural. The dust filter member 3 can absorb dust generated during drilling.

In this embodiment, the upper lid 11 includes an upper lid body 11a and a transparent cover 11b, the upper lid body 11a is detachably connected to the bottom case 12 by a plurality of first screws (not shown), one end of the transparent cover 11b is hinged to the upper lid body 11a, and the first through hole 110 is disposed in the transparent cover 11 b. The transparent cover 11b and the upper cover body 11a are connected in a hinged manner, so that the dust collecting device can finish the dust collecting pouring operation of the dust collector and the changing and washing operation of the dust filtering component 3 without separating the transparent cover 11b from the machine body, and the use is more convenient.

Around the first through hole 110, a cylindrical body extending downward is provided, and the cylindrical body includes an annular side wall 111 and an annular bottom wall 112, wherein the upper end of the annular side wall 111 is connected to the top wall of the transparent cover 11b, and the lower end of the annular side wall 111 is connected to the periphery of the annular bottom wall 112.

Further, the dust collector for boring includes an annular shutter 13 and a hollow brush 14 with which the boring head contacts, and the annular shutter 13, the hollow brush 14 and the annular bottom wall 112 are formed with a central through hole through which the boring head 200 passes. The annular flap 13 is fitted in the first through hole 110 and presses the hollow brush 14 against the annular bottom wall 112 of the barrel portion. Optionally, the annular baffle 13 is made of aluminum.

Further, a sealing ring 15 is disposed between the top surface 41 of the integrated cover 4 and the inner wall of the transparent cover 11b, and the sealing ring 15 is sleeved outside the annular sidewall 111 to ensure that the dust in the dust-collecting chamber 20 does not leak to other areas in the inner chamber 10. Preferably, the top surface 41 of the integrated cover 4 has a circular arc-shaped notch 411, and the bottom surface of the notch 411 abuts against the side surface of the annular side wall 111.

In this embodiment, a flexible suction disk 16 is provided around the second through hole 120, and the flexible suction disk 16 functions to prevent dust leakage.

PCBA board 7 respectively with lithium cell 6 and Type-C charge mouthful 8 electrical connection, PCBA board 7 is equipped with and is used for the charging circuit who charges for lithium cell 6. The lithium battery 6 can be charged by using a mobile phone charger, so that repeated recycling is realized, the battery does not need to be replaced, and the use cost of a user is reduced.

When the drilling dust collector of the present embodiment is used to perform the drilling operation, the vacuum pump 5 and the dust suction fan are simultaneously operated, so that the bottom case 12 is attached to the wall surface. The outside air can pass through the hollow brush 14 and the dust filtering component 3, the dust absorption function is realized by the dust absorption fan, and the dust generated by drilling is collected in the dust collection cavity 20 after being prevented by the adsorption soft disc 16, the hollow brush 14 and the dust filtering component 3. The transparent cover 11b is opened to allow dust in the dust collecting chamber 20 to be discharged, and the dust filter member 3 may be replaced and washed.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A drilling dust collector comprises an upper cover, a bottom shell, a dust collection fan assembly and a dust filtering component, wherein the upper cover is connected with the bottom shell and jointly defines an inner cavity; one end of the upper cover is provided with a first through hole for a drill bit to pass through, and one end of the bottom shell is provided with a second through hole for the drill bit to pass through at a position corresponding to the first through hole; the dust collection fan assembly and the dust filtering component are respectively arranged in the inner cavity, the dust collection fan assembly comprises a rack and a dust collection fan, and the dust collection fan is fixed on the rack; the drilling dust collector is characterized by comprising a dust collection cover, wherein the integrated cover is arranged between the rack and the bottom shell and is respectively connected with the rack and the bottom shell, the top surface of the integrated cover abuts against the inner wall of one end of the upper cover, the dust collection cover, the upper cover and the bottom shell jointly define a dust collection cavity, and the dust collection cavity is respectively communicated with the first through hole and the second through hole;

The dust filtering component is positioned between the dust absorption fan and the top surface of the dust collection cover, and the top surface of the integrated cover is provided with a plurality of openings at the positions corresponding to the dust filtering component.

2. The borehole dust collector of claim 1, wherein said dust filter element is sandwiched between said frame and a top surface of said integrated cover.

3. The borehole dust collector of claim 1 or 2, wherein the dust filter member is a dust filter mesh.

4. The dust collector for boring of claim 1, wherein a sealing member is provided between a top surface of the integration housing and an inner wall of one end of the upper cover.

5. The borehole dust collector of claim 1, wherein the upper cover comprises an upper cover body and a transparent cover, the upper cover body is detachably connected with the bottom shell, one end of the transparent cover is hinged with the upper cover body, the first through hole is formed in the transparent cover, and the top surface of the integrated cover abuts against the inner wall of the transparent cover.

6. The dust collector for drill holes as claimed in claim 5, wherein a cylindrical body extending downward is provided around the first through hole, the cylindrical body includes an annular side wall and an annular bottom wall, the upper end of the annular side wall is connected with the top wall of the transparent cover, and the lower end of the annular side wall is connected with the periphery of the annular bottom wall;

The drilling dust collector comprises an annular blocking piece and a hollow brush contacted with a drill bit, and the annular blocking piece, the hollow brush and the annular bottom wall are provided with central through holes for the drill bit to pass through; the annular blocking piece is embedded in the first through hole and tightly presses the hollow brush on the annular bottom wall of the barrel body part.

7. The dust collector of claim 6, wherein a sealing ring is disposed between the top surface of the integrated cover and the inner wall of the transparent cover, and the sealing ring is sleeved outside the annular side wall.

8. The borehole dust collector of claim 1, wherein the frame, the integrated cover, and the bottom housing are removably coupled together by a plurality of screws.

9. The borehole dust collector of claim 1, wherein the suction fan comprises a motor and a fan blade, the fan blade being connected to an output shaft of the motor.

10. The dust collector of claim 1, wherein the dust collector comprises a lithium battery, a PCBA board and a Type-C charging port, the PCBA board being electrically connected to the lithium battery and the Type-C charging port, respectively, the PCBA board being provided with a charging circuit for charging the lithium battery.