CN104440801A - Electric drill dust cover - Google Patents
Electric drill dust cover Download PDFInfo
- Publication number
- CN104440801A CN104440801A CN201410435998.8A CN201410435998A CN104440801A CN 104440801 A CN104440801 A CN 104440801A CN 201410435998 A CN201410435998 A CN 201410435998A CN 104440801 A CN104440801 A CN 104440801A
- Authority
- CN
- China
- Prior art keywords
- electric drill
- dust
- drill
- cover
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Abstract
The invention relates to an electric drill dust cover which comprises a cover body, an electric drill installation pipe and a stretchable neck. The electric drill dust cover is characterized in that the cover body is a hollow thin-wall frustum, a drill bit extending hole is formed in the upper bottom face of the frustum, the electric drill installation pipe is arranged on the lower bottom face of the frustum, the corrugated stretchable neck is installed inside the electric drill installation pipe, the stretchable neck can be compressed under the effect of pressure, one end of the stretchable neck is connected with the electric drill installation pipe, and the other end of the stretchable neck is provided with an L-shaped step. According to the electric drill dust cover, the working area of an electric drill can be closed, cuttings and dust are collected, and the problems that cuttings are scattered and fly out and dust is blown are avoided.
Description
Technical field
The invention belongs to hardware & tools field, particularly relates to a kind of dust-proof cover for electric drill.
Background technology
Electric drill is a kind of conventional instrument, but in boring procedure, there is the problem that chip disorderly flies and stirs up a cloud of dust, the chip not easy to clean scattered on the ground that boring produces, to injure when some sharp chips fly out human body, stir up a cloud of dust and not only easily make operating personnel be confused eye, long-term suction dust also can affect the health of operating personnel, and chip and the dust of generation of therefore holing are problem demanding prompt solutions.
Although propose a kind of dust-proof cover for electric drill in Chinese patent CN201534233, specifically disclose following technical characteristic: comprise telescoping tube 3, the connection of telescoping tube 3 one end arranges semicircle cover 2, semicircle cover 2 is arranged dust-collector 1, telescoping tube 3 other end is connected with jump ring 3 by connecting the geometrical clamp 5 arranged, and jump ring 4 connects electric drill.
In the technical scheme of this patent, the order of connection of semicircle cover, geometrical clamp, telescoping tube three is: semicircle cover → telescoping tube → geometrical clamp, is sequentially connected in series.Can draw according to the order of connection of three and the position relationship of three, the length that when using the dust-proof cover for electric drill of this patent, required drill bit exposes electric drill collet segment should be no less than: l
1' (semicircle cover height)+l
3' (telescoping tube is compressed to limiting condition length)+l
2' (geometrical clamp length).
Such as: at l
1'=70mm, l
2'=60mm, l
3under the embodiment of '=30mm, when using the dust-proof cover for electric drill of documents, required drill bit exposes the length of electric drill collet segment for l
1'+l
3'+l
2'=160mm.For the spiral bit of common 5mm and 10mm diameter, according to Chinese name republic national standard " GB/T6135.2-2008 straight shank twist drill " part 2: the form of straight shank short fluted twist drill and straight shank twist drill and size, section 4.2, the dimensions that the pattern of the straight shank twist drill specified in and size specify, diameter is the straight shank twist drill length of 5mm is 86mm, and diameter is the fluted drill length of 10mm is 133mm.Consider that electric drill chuck also needs to clamp about 30mm, diameter is the length that the straight shank twist drill of 5mm exposes electric drill chuck is 56mm, and diameter is the length that the fluted drill of 10mm exposes electric drill chuck is 103mm.Both is all less than required drill bit when using the dust-proof cover for electric drill of this patent and exposes the length of electric drill collet segment.So cause use this patent dust-proof cover for electric drill in, drill bit cannot expose dust-proof cover for electric drill, operating personnel can only: with sensation drill bit is aimed at bore position; Or according to the overlapping relation of the circular front surface of dust-proof cover for electric drill and the center line of drill hole, rough aligning drill bit, but dust cover cannot realize the accurate assembly with electric drill, the overlapping relation according to circular front surface and center line is estimated, its positioning precision is poor; Or again drill bit is exposed aiming in the first contracts bellows of the other hand of the time standby aimed at.Thus cannot comparatively for convenience, accurately drill bit be aimed at for boring sites in curing.
Summary of the invention
The invention provides a kind of dust-proof cover for electric drill for solving in known technology the technical problem that exists, and this dust-proof cover for electric drill can facilitate in use to be aimed at drill bit with wish boring sites in curing accurately.
A kind of dust-proof cover for electric drill, comprise cover body, electric drill mounting pipe, flexible neck, is characterized in that: cover body is a hollow and thin-walled frustum, and frustum upper bottom surface is provided with drill bit and stretches out hole, frustum bottom surface is provided with electric drill mounting pipe, electric drill mounting pipe inside has a corrugated to stretch neck, and one end of flexible neck is connected with electric drill mounting pipe, and the other end has L shape step.
The advantage that the invention has and good effect are:
Because the invention adopts technique scheme, the inside that the chip that produces in the electric drill boring procedure of the dust-proof cover for electric drill of the invention and dust are just closed in dust cover has been installed, avoid chip to be scattered the problem flying out and stir up a cloud of dust, with after again the chip collected in dust cover and dust are poured out, easy cleaning, it also avoid chip and flies out and hurt sb.'s feelings and operating personnel's dust fan eye and suck the problem of dust.
In addition, because electric drill mounting pipe, flexible neck are put into cover body by the invention, effectively can save the space of dust-proof cover for electric drill, thus make common drill bit, dust-proof cover for electric drill can be exposed, drill hole directly can be aimed in the tip of drill bit by operating personnel, just can complete the drill bit positioning work before boring convenient, accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention;
Fig. 2 is the schematic diagram under the invention using state;
In figure:
1, cover body; 2, electric drill mounting pipe; 3, flexible neck; 4, drill bit stretches out hole; 5, L shape step.
Detailed description of the invention
For summary of the invention, the Characteristic of the invention can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of dust-proof cover for electric drill, comprise cover body 1, electric drill mounting pipe 2, flexible neck 3, is characterized in that: described cover body 1 is a hollow and thin-walled frustum, and frustum upper bottom surface is provided with drill bit and stretches out hole 4, the diameter that drill bit stretches out hole 4 is greater than the diameter of drill bit, frustum bottom surface is provided with electric drill mounting pipe 2, and electric drill mounting pipe 2 inside has a corrugated to stretch neck 3, and flexible neck 3 can be compressed under the effect of the pressure, one end of flexible neck 3 is connected with electric drill mounting pipe 2, and the other end has L shape step 5.
The operating principle of the invention is:
Refer to Fig. 1 and 2, when needs use this dust-proof cover for electric drill, the chuck of electric drill head can be stretched into electric drill installing hole 2 inner, ridden at the non rotating edge of electric drill body on L shape step 5, drill bit stretches out hole 4 from drill bit and stretches out.During use, the side that the dust-proof cover for electric drill of the invention has drill bit to stretch out hole 4 is leaned against on drilled object, open electric drill, conventionally hole, in boring procedure, along with going deep into gradually of drill bit, flexible neck 3 is compressed under the effect of the pressure, the chip produced during boring and dust enter dust-proof cover for electric drill inside by drill bit and the drill bit annular gap of stretching out between hole 3, are deposited in the bottom of dust-proof cover for electric drill under gravity.After using, electric drill is extracted in electric drill mounting pipe, then the chip piled up in the dust-proof cover for electric drill of the invention and dust are stretched out hole 4 from drill bit and pour out.
Still be of a size of example with the straight shank twist drill specified in national standard said in background technology part, in the technical scheme of the application, the order of connection of cover body, electric drill mounting pipe, flexible neck three is: cover body → electric drill mounting pipe → flexible neck; The position relationship of three is: electric drill mounting pipe is arranged on cover body inside, and it is inner that flexible neck is arranged on electric drill mounting pipe.Can draw according to the order of connection of three and the position relationship of three, the length that when using this dust-proof cover for electric drill, required drill bit exposes electric drill collet segment should be no less than: l
1(cover body frustum height)-l
2(electric drill mounting pipe length)+l
3(flexible neck is compressed to limiting condition length).
At l
1=l
1', l
2=l
2', l
3=l
3' condition under, the length that when using this dust-proof cover for electric drill, required drill bit exposes electric drill collet segment exposes the short (l of the length of electric drill collet segment than drill bit required when using the dust-proof cover for electric drill of documents
1'+l
3'+l
2')-(l
1-l
2+ l
3)=(l
1+ l
3+ l
2)-(l
1-l
2+ l
3)=2l
2, namely under the condition using same electrical drill chuck, the length of the bit required during the dust-proof cover for electric drill of the length of the bit required when using this dust-proof cover for electric drill than documents the is short l of 2 times
2.
At l
1=l
1'=70mm, l
2=l
2'=60mm, l
3=l
3under the condition of '=30mm, the length that drill bit required during this dust-proof cover for electric drill exposes electric drill collet segment is l
1-l
2+ l
3=40mm, diameter is the straight shank twist drill length of 5mm is 86mm, diameter is the fluted drill length of 10mm is 133mm, consider that electric drill chuck also needs to clamp about 30mm, diameter is the length that the straight shank twist drill of 5mm exposes electric drill chuck is 56mm, and diameter is the length that the fluted drill of 10mm exposes electric drill chuck is 103mm.Use the dust-proof cover for electric drill of the application, affluence can go out more the length of the bit, and drill bit can be clamped preferably simultaneously.Exposed dust cover by be allowed drill bit, before facilitating boring, drill bit is aimed at the position for boring, thus improve efficiency and the precision of boring.
Except the problem that drill bit in solution documents cannot expose, the application also solves documents and there is another problem.In documents, telescoping tube is positioned at the middle part of whole dust-proof cover for electric drill and anterior (front end of setting drill bit is the front end of dust cover), obviously, front portion when boring in dust cover inner space, dust or short grained concentration larger, these granules suspended in space are easy to drop on the inwall in space, so the telescoping tube in documents is just easy to the more dust of very fast accumulation, particle.And it is general, telescoping tube all adopts plastic material, intensity, hardness are poor, in after have accumulated dust, particle, telescoping tube constantly compresses in boring procedure, telescoping tube is blocked with regard to being easy to that harder particle occurs, the problem of shrinking cannot be continued, or more firmly, more sharp-pointed particle, telescoping tube may be cut.And the telescoping tube of the application is not only positioned at the rear portion of dust cover, dust, particle have not all occurred in the cover body of deformation than being easier to drop on, and telescoping tube has the stop of electric drill mounting pipe, and dust is also not easy the space entering telescoping tube place.So telescoping tube institute dust, grain density are lower in space, telescoping tube is just not easy to accumulate dust, particle, thus reduces the possibility that telescoping tube is cut largely.In addition, because telescoping tube is in the inside of electric drill mounting pipe, the small volume of telescoping tube, the space of its inside is also less.So when the distribution density of dust in space, particle is less, space inner volume is also less, so the total amount of the inner accumulation particle of telescoping tube is just less.So telescoping tube is also not easily cut by particle, thus improve the durability of dust-proof cover for electric drill.
Although be described the preferred embodiment of the invention by reference to the accompanying drawings above; but the invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under the enlightenment of the invention; not departing under the ambit that the invention aim and claim protect, a lot of form can also be made.These all belong within the protection domain of the invention.
Claims (1)
1. a dust-proof cover for electric drill, comprise cover body, electric drill mounting pipe, flexible neck, is characterized in that: described cover body is a hollow and thin-walled frustum, and frustum upper bottom surface is provided with drill bit and stretches out hole, frustum bottom surface is provided with electric drill mounting pipe, electric drill mounting pipe inside has a corrugated to stretch neck, and one end of flexible neck is connected with electric drill mounting pipe, and the other end has L shape step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410435998.8A CN104440801B (en) | 2014-08-29 | 2014-08-29 | Dust-proof cover for electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410435998.8A CN104440801B (en) | 2014-08-29 | 2014-08-29 | Dust-proof cover for electric drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104440801A true CN104440801A (en) | 2015-03-25 |
| CN104440801B CN104440801B (en) | 2016-08-24 |
Family
ID=52887953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410435998.8A Expired - Fee Related CN104440801B (en) | 2014-08-29 | 2014-08-29 | Dust-proof cover for electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440801B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773540A (en) * | 2016-05-18 | 2016-07-20 | 无锡市翱宇特新科技发展有限公司 | Electric drill dustproof sleeve |
| CN107274560A (en) * | 2017-07-12 | 2017-10-20 | 深圳友宝科斯科技有限公司 | Self-service coconut machine |
| US11648635B2 (en) | 2017-08-16 | 2023-05-16 | Milwaukee Electric Tool Corporation | Dust collector for power tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837571Y2 (en) * | 1980-08-29 | 1983-08-24 | リョービ株式会社 | Dust cup of hammer drill etc. |
| DE4342484A1 (en) * | 1993-12-13 | 1995-04-06 | Siemens Nixdorf Inf Syst | Hand drill |
| CN2486278Y (en) * | 2001-06-15 | 2002-04-17 | 燕琼 | Automatic dust collector for electric hammer |
| WO2005025792A1 (en) * | 2003-09-16 | 2005-03-24 | Carlos Roberto Bonfim Oliveira | Suction system for debris that results from the use of portable electric drill |
| KR100531204B1 (en) * | 2005-05-11 | 2005-11-25 | 임용빈 | Dust protector of hammer drill |
| CN201534233U (en) * | 2009-08-31 | 2010-07-28 | 浙江科技学院 | Electric drill dustproof cover |
| CN202399238U (en) * | 2011-10-27 | 2012-08-29 | 鼎铭(福州)机电设备有限公司 | Dust sucking device of impact drill |
| CN203125487U (en) * | 2013-01-15 | 2013-08-14 | 成都吉露科技有限公司 | Drilling and cutting dust collector of electric hand drill |
-
2014
- 2014-08-29 CN CN201410435998.8A patent/CN104440801B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837571Y2 (en) * | 1980-08-29 | 1983-08-24 | リョービ株式会社 | Dust cup of hammer drill etc. |
| DE4342484A1 (en) * | 1993-12-13 | 1995-04-06 | Siemens Nixdorf Inf Syst | Hand drill |
| CN2486278Y (en) * | 2001-06-15 | 2002-04-17 | 燕琼 | Automatic dust collector for electric hammer |
| WO2005025792A1 (en) * | 2003-09-16 | 2005-03-24 | Carlos Roberto Bonfim Oliveira | Suction system for debris that results from the use of portable electric drill |
| KR100531204B1 (en) * | 2005-05-11 | 2005-11-25 | 임용빈 | Dust protector of hammer drill |
| CN201534233U (en) * | 2009-08-31 | 2010-07-28 | 浙江科技学院 | Electric drill dustproof cover |
| CN202399238U (en) * | 2011-10-27 | 2012-08-29 | 鼎铭(福州)机电设备有限公司 | Dust sucking device of impact drill |
| CN203125487U (en) * | 2013-01-15 | 2013-08-14 | 成都吉露科技有限公司 | Drilling and cutting dust collector of electric hand drill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773540A (en) * | 2016-05-18 | 2016-07-20 | 无锡市翱宇特新科技发展有限公司 | Electric drill dustproof sleeve |
| CN107274560A (en) * | 2017-07-12 | 2017-10-20 | 深圳友宝科斯科技有限公司 | Self-service coconut machine |
| US11648635B2 (en) | 2017-08-16 | 2023-05-16 | Milwaukee Electric Tool Corporation | Dust collector for power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104440801B (en) | 2016-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170829 |