CN103537729A - Handheld drilling machine with dust removal device - Google Patents
Handheld drilling machine with dust removal device Download PDFInfo
- Publication number
- CN103537729A CN103537729A CN201310446589.3A CN201310446589A CN103537729A CN 103537729 A CN103537729 A CN 103537729A CN 201310446589 A CN201310446589 A CN 201310446589A CN 103537729 A CN103537729 A CN 103537729A
- Authority
- CN
- China
- Prior art keywords
- dust
- drilling machine
- fan blade
- drill bit
- air
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 114
- 238000005553 drilling Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a handheld drilling machine with a dust removal device. The handheld drilling machine comprises a drilling machine shell, a drill chuck, a drill bit and the dust removal device. The dust removal device comprises a dust collection base, an aligning rubber sleeve, a fan blade and a dust collection box, wherein the fan blade is installed in the dust collection base through a bearing, an inner circular conical surface opened backwards is arranged on the fan blade, the aligning rubber sleeve is arranged on the drill bit in a penetrating mode and rotates along with the drill bit, the circumference of the aligning rubber sleeve is an outer circular conical surface, and the outer circular conical surface can be attached to the inner circular conical surface of the fan blade to drive the fan blade to rotate; the fan blade sucks external air in or exhausts internal air when rotating, an air channel used for controlling the flowing direction of the air is formed in the dust collection base or the dust collection box, and through the flowing of the air, dust generated in the hole drilling process is thoroughly brought into the dust collection box. The handheld drilling machine is reasonable in structure, small in size and low in cost and can prevent the drill bit from driving the fan blade to jitter, and the dust is removed more thoroughly.
Description
Technical field
The present invention relates to a kind of hand held electric tool, particularly relate to a kind of hand-held drilling machine with dust arrester.
Background technology
In prior art about hand-held drilling machine as the solution of percussion drill or electric hammer dedusting mainly contains following three kinds of modes: the first, external dust collector type, which is mainly concerned with in sweep-up pipe passage and fixed form, because dust catcher suction is larger, pick-up performance is better.But, need to configure dust catcher, use comparatively trouble.The second, utilize machine self fan blade air draught type, this dedusting method is owing to not needing to connect dust catcher, easy to use.But the actual pick-up performance of which is undesirable, also have influence on the positive constantly inlet wind of motor simultaneously.Three, dust suction fan blade is set separately on motor, this kind of dedusting scheme do not need to connect dust catcher yet, and suction is larger.But complex structure, the volume of fan blade are large, cost is high.
If dedusting fan blade is set in drill bit front portion, can avoid the defect of above-mentioned dedusting method.But because drill bit is longer, during work, drill bit can produce very greatly and beat, drill bit directly drives fan blade to rotate will cause very large beating, and has affected result of use.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of hand-held drilling machine with dust arrester is provided.The preposition fan blade dedusting of this designed drilling machine adopted, can avoid drill bit to drive fan blade to beat during work.
For achieving the above object, the technical solution used in the present invention is as follows.
A hand-held drilling machine with dust arrester, comprising:
Drilling machine housing, its inside is provided with motor, and its rear portion is main handle;
Drill chuck, it is positioned at the front portion of described drilling machine housing, by described motor, is driven;
Drill bit, it is driven and is carried out bore operation by described motor under the clamping of described drill chuck;
Front portion at described drill bit is provided with dust arrester, comprising:
Control of dust seat, it has control of dust seat housing, and described drill bit passes from described control of dust seat housing;
Fan blade, it is arranged in described control of dust seat by bearing, and described fan blade can rotate in described control of dust seat, is provided with opening internal conical surface backward on described fan blade;
Aligning gum cover, its center is provided with circular hole, the diameter of described circular hole is less than the diameter of described drill bit, described aligning gum cover is made by soft material, described aligning gum cover is located on described drill bit by described circular hole, the circumference of described aligning gum cover is outer conical surface, described outer conical surface can with described fan blade on internal conical surface fit, the internal conical surface on the outer conical surface of described aligning gum cover and described fan blade can drive fan blade to rotate while fitting;
Dust-collecting box, it is installed on the below of described control of dust seat, the dirt bits that produce while holing for collecting;
Air port and air channel, described air port is arranged on the housing of described control of dust seat and described dust-collecting box, described air channel is positioned at described control of dust seat and described dust-collecting box, when described fan blade rotates, wind outside is sucked or inner wind is discharged through described air port through described air port, described air channel is that wind flows to passage in described control of dust seat or described dust-collecting box, and the dirt bits that the flow process by wind produces during by boring are brought described dust-collecting box into.
Further, described air port comprises air inlet and ventilating opening, and described air channel comprises air compartment, upper air duct and lower air duct; Described air inlet is arranged on the housing of described control of dust seat, and described air compartment is positioned at around the blade of described fan blade, and described fan blade drives wind outside to enter described air compartment from described air inlet while rotating; Described upper air duct is connected with described air compartment, the aperture place of the opening of described upper air duct when described drill bit operation; Aperture when described lower air duct originates in drill bit operation, is connected with described dust-collecting box to downward-extension; Described ventilating opening is arranged on the side of described dust-collecting box; Wind blows to bore position from described upper air duct and brings dirt bits into described dust-collecting box through described lower air duct.
Further, near described ventilating opening place, be provided with filter.
Further, described air port comprises inlet scoop and air outlet, and described air channel comprises lower air duct and air compartment; Described inlet scoop is positioned at the front end of described control of dust seat, aperture when described lower air duct originates in drill bit operation, is connected to downward-extension and with described air compartment, and described air compartment is positioned at around the blade of described fan blade, described air outlet is arranged on the housing of described control of dust seat, and communicates with described air compartment; The aperture of wind outside during from described drill bit operation enters described air compartment through described lower air duct, and described fan blade drives the wind in air compartment to discharge through described air outlet while rotating, and wind drives dirt bits to enter described dust-collecting box through described lower air duct.
Further, the porch that enters described air compartment at wind is provided with filter.
Further, also comprise assist handle, described assist handle is arranged on described drilling machine housing near described drill chuck place.
Further, also comprise telescoping tube, one end of described telescoping tube is connected on described control of dust seat, and the other end of described telescoping tube is arranged on assist handle or described drilling machine housing.
Further, in described telescoping tube, be provided with spring, described dust arrester can be along described telescoping tube elastic telescopic.
Further, on described telescoping tube, be provided with scale and indicate and locating piece, by mobile described locating piece, can set the degree of depth of boring.
Further, described dust-collecting box is arranged on the below of described control of dust seat removably.
Further, described dust-collecting box is made by transparent or semitransparent material.
Further, in described control of dust seat, be provided with back-up ring, the drill bit that described back-up ring is positioned at before described aligning gum cover passes through place.
Further, described aligning gum cover and described back-up ring are provided with some otch, and some described otch are outwards divergent shape along center.
Further, the front end of described control of dust seat is provided with rubber cover.
The invention has the beneficial effects as follows: the hand-held drilling machine with dust arrester of the present invention adopts preposition fan blade dedusting, outer conical surface by aligning gum cover and the internal conical surface on fan blade are affixed incompatible drive fan blade and rotate, aligning gum cover can be adjusted the relative position between itself and fan blade automatically, realize drill bit and fan blade decentraction and drive, thus while effectively eliminating work because bit bounce causes beating of fan blade.This hand-held drilling machine simple and reasonable, volume is little, cost is low, and dedusting is more thorough.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention has hand-held drilling machine the first embodiment of dust arrester.
Fig. 2 is the structural representation of the dust arrester of the present invention's hand-held drilling machine the first embodiment with dust arrester.
Fig. 3 is the cutaway view of the aligning gum cover of the present invention's hand-held drilling machine with dust arrester.
Fig. 4 is the right view of the aligning gum cover of the present invention's hand-held drilling machine with dust arrester.
Fig. 5 is the cutaway view of the back-up ring of the present invention's hand-held drilling machine with dust arrester.
Fig. 6 is the right view of the back-up ring of the present invention's hand-held drilling machine with dust arrester.
To be the present invention's hand-held drilling machine the first embodiment drill bit with dust arrester drive the schematic diagram of fan blade with respect to control of dust seat aligning gum cover when the eccentric position to Fig. 7.
Fig. 8 is the structural representation that the present invention has hand-held drilling machine the second embodiment of dust arrester.
Fig. 9 is the structural representation that the present invention has the third embodiment of hand-held drilling machine of dust arrester.
Figure 10 is the structural representation of the dust arrester of the present invention's the third embodiment of hand-held drilling machine with dust arrester.
In figure, 1-aligning gum cover, 101-outer conical surface, 102-circular hole, 103-otch, 2-fan blade, 201-internal conical surface, 3-control of dust seat, 301-air inlet, 302-upper air duct, 303-lower air duct, 304-air compartment, 305-air outlet, 306-inlet scoop, 4-rubber cover, 5-back-up ring, 6-bearing, 7-wind flow direction, telescoping tube in 8-, 801-scale indicates, 9-dust-collecting box, 901-ventilating opening, 10-metope, 11-filter, 12-dirt bits, 13-drill bit, 14-locating piece, the overhanging draw of 15-, 16-spring, 17-drill chuck, 18-assist handle, 19-drilling machine housing, 20-main handle, 21-aperture, 22-telescoping tube, S-outer conical surface departs from internal conical surface distance.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Basic principle of the present invention is: aligning gum cover is located on drill bit and with drill bit and rotates, fan blade is contained on bearing, aligning gum cover drives fan blade to rotate by the conical surface, when fan blade rotates, wind outside is sucked through air port or inner wind is discharged through air port, air channel is that wind flows to passage in control of dust seat or dust-collecting box, and the dirt bits that the flow process by wind produces during by boring are brought dust-collecting box into.
The present invention have dust arrester hand-held drilling machine the first embodiment as shown in Figure 1, comprise drilling machine housing 19, drill chuck 17, drill bit 13, assist handle 18 and telescoping tube 22; Motor is equipped with in the inside of drilling machine housing 19, and its rear portion is main handle 20; Drill chuck 17 is positioned at the anterior of drilling machine housing 19 and is driven by motor, and it carries out bore operation for clamping drilling bit 13; Assist handle 18 is installed on drilling machine housing 19, and assist handle 18 is near drill chuck 17; One end of telescoping tube 22 is connected on the housing of control of dust seat 3, and the other end of telescoping tube 22 is arranged on assist handle 18; Telescoping tube 22 includes the overhanging draw 15 and interior telescoping tube 8 two-stages, in the overhanging draw 15, is provided with spring 16, and interior telescoping tube 8 is provided with scale sign 801 and locating piece 14, by running fix piece 14, can set the degree of depth that drill bit 13 pierces the boring of metope 10.
On drill bit 13, near drilling orifice 21 places, the front portion of drill bit 13 is provided with dust arrester, and dust arrester can be flexible along the spring 16 in the overhanging draw 15.This dust arrester as shown in Figure 2, comprises control of dust seat 3, dust-collecting box 9, fan blade 2, aligning gum cover 1, air inlet 301, air compartment 304, upper air duct 302 and lower air duct 303.
Control of dust seat 3 has housing, and drill bit 13 is from the housing intermediate gaps process of control of dust seat 3, and fan blade 2 is arranged in control of dust seat 3 by bearing 6, and fan blade 2 can, in the interior rotation of control of dust seat 3, be provided with opening internal conical surface 201 backward on fan blade 2; The center of aligning gum cover 1 is provided with circular hole, the diameter of circular hole is less than the diameter of drill bit 13, aligning gum cover 1 is made by soft material, aligning gum cover 1 is located on drill bit 13 and can be rotated with drill bit 13 by circular hole, the circumference of aligning gum cover 1 is outer conical surface 101, outer conical surface 101 can with fan blade 2 on internal conical surface 201 fit, the outer conical surface of aligning gum cover 1 101 will drive fan blade 2 rotations while fitting with internal conical surface 201 on fan blade 2.
Dust-collecting box 9 is arranged on the below of control of dust seat 3 removably, the dirt bits 12 that produce while holing for collecting, and dust-collecting box can be made by transparent or semitransparent material.
On control of dust seat 3, press close to metope 10 places and be provided with rubber cover 4, rubber cover 4 can play protection body of wall and sealing function; On control of dust seat 3, drill bit 13 is provided with back-up ring 5 by the forward position of locating, and back-up ring 5 can be windproof, dustproof, for fan blade, plays a protective role.
Fig. 3 and Fig. 4 are respectively cutaway view and the right view of aligning gum cover that the present invention has the hand-held drilling machine of dust arrester.As shown in Figure 3 and Figure 4, be provided with some otch 103 on aligning gum cover 1, otch 103Yan center is outwards divergent shape; The center of aligning gum cover 1 is provided with circular hole 102 to be passed through for drill bit, and the circumference of aligning gum cover 1 is outer conical surface 101.
Fig. 5 and Fig. 6 are respectively cutaway view and the right view of back-up ring that the present invention has the hand-held drilling machine of dust arrester.As shown in Figure 5 and Figure 6, be provided with some otch 103 on back-up ring 5, otch 103Yan center is outwards divergent shape.
To be the present invention's hand-held drilling machine the first embodiment drill bit with dust arrester drive the schematic diagram of fan blade with respect to control of dust seat aligning gum cover when the eccentric position to Fig. 7, as shown in Figure 7, drill bit 13 does not directly drive fan blade 2 to rotate, but drives fan blade 2 by the outer conical surface 101 of aligning gum cover 1; When drill bit 13 is during in eccentric position, under concentric force effect, aligning gum cover 1 can automatically move back a segment distance, and the internal conical surface 201 of outer conical surface 101 tops and fan blade 2 keeps in touch, and conical surface bottom outer conical surface departs from internal conical surface one segment distance S, now fan blade 2 keeps rotating; When drill bit 13 is during in center, aligning gum cover 1 will leave the conical surface of fan blade 2, now, due to constantly the advancing of drill bit 13, will drive aligning gum cover 1 close with fan blade 2 forward, this makes again aligning gum cover 1 keep in touch by the laminating of internal conical surface 201 and outer conical surface 101 with fan blade 2 forward.
Fig. 8 is the structural representation that the present invention has hand-held drilling machine the second embodiment of dust arrester, as shown in Figure 8, the difference of the second embodiment of the present invention and the first embodiment is, one end of telescoping tube 22 is connected on control of dust seat 3, and the other end of telescoping tube 22 is arranged on drilling machine housing 19.
Fig. 9 is the structural representation that the present invention has the third embodiment of hand-held drilling machine of dust arrester, the structural representation of the dust arrester that Figure 10 is the third embodiment.As shown in Figure 9 and Figure 10, the difference of the third embodiment of the present invention and the first embodiment is, air inlet changes air outlet 305 into, and air outlet 305 is arranged on the housing of control of dust seat 3; Contrary with the first embodiment in fan blade 2 place's wind flow directions 7, inlet scoop 306 is positioned at the front end of control of dust seat 3, aperture 21 when lower air duct 303 originates in drill bit operation, to downward-extension and with air compartment 304, be connected, the trend of wind is as shown in wind flow direction 7, and from inlet scoop, 306 enter aperture 21, then enter air compartment 304 through lower air duct 303, fan blade 2 drives the wind in air compartment 304 to discharge through air outlet 305 while rotating, and wind drives dirt bits 9 to enter dust-collecting box 9 through described lower air duct 303; The porch that enters air compartment 304 at wind is provided with filter 11.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or is equal to replacement, all should be encompassed in the middle of the protection domain of the claims in the present invention.
Claims (14)
1. a hand-held drilling machine with dust arrester, comprising:
Drilling machine housing, its inside is provided with motor, and its rear portion is main handle;
Drill chuck, it is positioned at the front portion of described drilling machine housing, by described motor, is driven;
Drill bit, it is driven and is carried out bore operation by described motor under the clamping of described drill chuck;
It is characterized in that,
Front portion at described drill bit is provided with dust arrester, comprising:
Control of dust seat, it has control of dust seat housing, and described drill bit passes from described control of dust seat housing;
Fan blade, it is arranged in described control of dust seat by bearing, and described fan blade can rotate in described control of dust seat, is provided with opening internal conical surface backward on described fan blade;
Aligning gum cover, its center is provided with circular hole, the diameter of described circular hole is less than the diameter of described drill bit, described aligning gum cover is made by soft material, described aligning gum cover is located on described drill bit by described circular hole, the circumference of described aligning gum cover is outer conical surface, described outer conical surface can with described fan blade on internal conical surface fit, the internal conical surface on the outer conical surface of described aligning gum cover and described fan blade can drive fan blade to rotate while fitting;
Dust-collecting box, it is installed on the below of described control of dust seat, the dirt bits that produce while holing for collecting;
Air port and air channel, described air port is arranged on the housing of described control of dust seat and described dust-collecting box, described air channel is positioned at described control of dust seat and described dust-collecting box, when described fan blade rotates, wind outside is sucked or inner wind is discharged through described air port through described air port, described air channel is that wind flows to passage in described control of dust seat or described dust-collecting box, and the dirt bits that the flow process by wind produces during by boring are brought described dust-collecting box into.
2. the hand-held drilling machine with dust arrester according to claim 1, is characterized in that, described air port comprises air inlet and ventilating opening, and described air channel comprises air compartment, upper air duct and lower air duct; Described air inlet is arranged on the housing of described control of dust seat, and described air compartment is positioned at around the blade of described fan blade, and described fan blade drives wind outside to enter described air compartment from described air inlet while rotating; Described upper air duct is connected with described air compartment, the aperture place of the opening of described upper air duct when described drill bit operation; Aperture when described lower air duct originates in drill bit operation, is connected with described dust-collecting box to downward-extension; Described ventilating opening is arranged on the side of described dust-collecting box; Wind blows to bore position from described upper air duct and brings dirt bits into described dust-collecting box through described lower air duct.
3. the hand-held drilling machine with dust arrester according to claim 2, is characterized in that, near described ventilating opening place, is provided with filter.
4. the hand-held drilling machine with dust arrester according to claim 1, is characterized in that, described air port comprises inlet scoop and air outlet, and described air channel comprises lower air duct and air compartment; Described inlet scoop is positioned at the front end of described control of dust seat, aperture when described lower air duct originates in drill bit operation, is connected to downward-extension and with described air compartment, and described air compartment is positioned at around the blade of described fan blade, described air outlet is arranged on the housing of described control of dust seat, and communicates with described air compartment; The aperture of wind outside during from described drill bit operation enters described air compartment through described lower air duct, and described fan blade drives the wind in air compartment to discharge through described air outlet while rotating, and wind drives dirt bits to enter described dust-collecting box through described lower air duct.
5. the hand-held drilling machine with dust arrester according to claim 4, is characterized in that, the porch that enters described air compartment at wind is provided with filter.
6. according to the hand-held drilling machine with dust arrester described in claim 1-5 any one, it is characterized in that, also comprise assist handle, described assist handle is arranged on described drilling machine housing near described drill chuck place.
7. the hand-held drilling machine with dust arrester according to claim 6, is characterized in that, also comprises telescoping tube, and one end of described telescoping tube is connected on described control of dust seat, and the other end of described telescoping tube is arranged on assist handle or described drilling machine housing.
8. the hand-held drilling machine with dust arrester according to claim 7, is characterized in that, in described telescoping tube, is provided with spring, and described dust arrester can be along described telescoping tube elastic telescopic.
9. according to the hand-held drilling machine with dust arrester described in claim 7 or 8, it is characterized in that, on described telescoping tube, be provided with scale and indicate and locating piece, by mobile described locating piece, can set the degree of depth of boring.
10. according to the hand-held drilling machine with dust arrester described in claim 1-5 any one, it is characterized in that, described dust-collecting box is arranged on the below of described control of dust seat removably.
11. hand-held drilling machines with dust arrester according to claim 10, is characterized in that, described dust-collecting box is made by transparent or semitransparent material.
12. according to the hand-held drilling machine with dust arrester described in claim 1-5 any one, it is characterized in that, in described control of dust seat, is provided with back-up ring, and the drill bit that described back-up ring is positioned at before described aligning gum cover passes through place.
13. hand-held drilling machines with dust arrester according to claim 12, is characterized in that, described aligning gum cover and described back-up ring are provided with some otch, and some described otch are outwards divergent shape along center.
14. according to the hand-held drilling machine with dust arrester described in claim 1-3 any one, it is characterized in that, the front end of described control of dust seat is provided with rubber cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446589.3A CN103537729B (en) | 2013-09-26 | 2013-09-26 | There is the hand-held drilling machine of dust arrester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446589.3A CN103537729B (en) | 2013-09-26 | 2013-09-26 | There is the hand-held drilling machine of dust arrester |
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| Publication Number | Publication Date |
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| CN103537729A true CN103537729A (en) | 2014-01-29 |
| CN103537729B CN103537729B (en) | 2015-10-21 |
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| CN201310446589.3A Expired - Fee Related CN103537729B (en) | 2013-09-26 | 2013-09-26 | There is the hand-held drilling machine of dust arrester |
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| GB2527119A (en) * | 2014-06-13 | 2015-12-16 | David Fullarton | Apparatus and method for cleaning a helical member |
| CN108356320A (en) * | 2017-12-27 | 2018-08-03 | 合肥市硕理机电科技有限公司 | A kind of hand-held drilling machine |
| CN108556154A (en) * | 2018-03-26 | 2018-09-21 | 无锡康斯坦特动力科技有限公司 | A kind of wall drilling machine with dust reduction capability |
| CN108714819A (en) * | 2018-06-29 | 2018-10-30 | 菲斯达排放控制装置（苏州）有限公司 | The preposition efficient slagging-off protective device of numerically-controlled machine tool coolant recirculation pump |
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| CN110369762A (en) * | 2019-07-24 | 2019-10-25 | 金陵科技学院 | A kind of electric drill and its dust collection method having dust-absorbing function |
| CN110449626A (en) * | 2019-07-31 | 2019-11-15 | 中车青岛四方机车车辆股份有限公司 | A kind of suction drilling cuttings device and air drill |
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| CN113059216A (en) * | 2021-04-02 | 2021-07-02 | 河北岳如信息科技有限公司 | Anti-scrap environment-friendly electric drill |
| CN113118506A (en) * | 2021-05-18 | 2021-07-16 | 国网河北省电力有限公司清河县供电分公司 | Environment-friendly electric power maintenance tool |
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| US11419466B2 (en) | 2020-03-25 | 2022-08-23 | Milwaukee Electric Tool Corporation | Dust collector assembly |
| WO2024113678A1 (en) * | 2022-11-30 | 2024-06-06 | 江苏东成工具科技有限公司 | Dust collection device and electric tool |
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| CN110369762A (en) * | 2019-07-24 | 2019-10-25 | 金陵科技学院 | A kind of electric drill and its dust collection method having dust-absorbing function |
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| US11419466B2 (en) | 2020-03-25 | 2022-08-23 | Milwaukee Electric Tool Corporation | Dust collector assembly |
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| CN114523384A (en) * | 2022-03-03 | 2022-05-24 | 常州市神霸车辆配件有限公司 | Automobile-used part grinding device |
| WO2024113678A1 (en) * | 2022-11-30 | 2024-06-06 | 江苏东成工具科技有限公司 | Dust collection device and electric tool |
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