CN101856812B - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN101856812B CN101856812B CN2010101417964A CN201010141796A CN101856812B CN 101856812 B CN101856812 B CN 101856812B CN 2010101417964 A CN2010101417964 A CN 2010101417964A CN 201010141796 A CN201010141796 A CN 201010141796A CN 101856812 B CN101856812 B CN 101856812B
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- CN
- China
- Prior art keywords
- battery pack
- maintaining part
- described battery
- electric tool
- cladding material
- 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.)
- Expired - Fee Related
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- Battery Mounting, Suspending (AREA)
- Portable Power Tools In General (AREA)
Abstract
The present invention provides a kind of electric tool, inhibits the loosening between battery pack and shank part its object is to not increase components number. The electric tool being related to according to the present invention,Battery pack is provided with the fitting portion that opposite battery pack maintaining part (17) can be fitted into,By in the state that battery pack maintaining part (17) and fitting portion are chimeric battery pack with respect to the movement that the battery pack maintaining part (17) is slided in a certain direction,Battery pack and battery pack maintaining part (17) connection,Side wall (17z) in battery pack maintaining part (17) is formed with opening (17h),A part of covering material (150) enters the inside of battery pack maintaining part (17) from the opening (17h),In the state that battery pack and battery pack maintaining part (17) link,Enter the outside wall surface of covering material (152) the pressing battery pack of the inside of battery pack maintaining part (17).
Description
Technical field
The present invention relates to electric tool, this electric tool possesses: the housing body unit of taking in the tubular of motor; Give prominence to formation from this housing body unit to the radial direction outside, the shank part that the surface is covered by the rubber-like cladding material; Be arranged on the battery pack maintaining part of the jag of this shank part; With the battery pack that links with this battery pack maintaining part.
Background technology
In patent documentation 1, put down in writing relative electric tool.
The electric tool that patent documentation 1 relates to, loosening between the battery pack maintaining part that suppresses to be arranged on shank part and the battery pack makes the roller of rubber system be installed in the inboard of above-mentioned battery pack maintaining part at rotatable state.And, having under the state of battery pack in above-mentioned battery pack maintaining part binding, the outside wall surface butt of above-mentioned roller and this battery pack is pushed its outside wall surface.
Thus, can suppress becoming flexible between shank part (battery pack maintaining part) and the battery pack.
Patent documentation 1: TOHKEMY 2007-118098 communique
In above-mentioned electric tool, owing to the roller of rubber system need be installed in the inboard of battery pack maintaining part under rotatable state, so need the axle, bearing etc. of the above-mentioned roller of supporting, components number increase.
Summary of the invention
The present invention asked to address the above problem a little and finished, and the problem that the present invention will solve is to suppress loosening between battery pack and the shank part and need not to increase components number.
Above-mentioned problem is solved by the invention of each side.
The invention of first aspect provides a kind of electric tool, it is characterized in that possessing: the housing body unit of taking in the tubular of motor; Give prominence to formation and the surperficial shank part that is covered by the rubber-like cladding material from this housing body unit to the radial direction outside; Be arranged on the battery pack maintaining part of the jag of this shank part; With the battery pack that links with described battery pack maintaining part, be provided with the fitting portion that above-mentioned relatively battery pack maintaining part can be chimeric in above-mentioned battery pack, by the action of on certain orientation, sliding in relative this battery pack maintaining part of above-mentioned battery pack maintaining part with above-mentioned battery pack under the chimeric state of above-mentioned fitting portion, and link above-mentioned battery pack and above-mentioned battery pack maintaining part, sidewall in above-mentioned battery pack maintaining part is formed with opening, the part of above-mentioned cladding material enters the inboard of above-mentioned battery pack maintaining part from this opening, under the state of above-mentioned battery pack and the binding of above-mentioned battery pack maintaining part, the above-mentioned cladding material that enters into the inboard of above-mentioned battery pack maintaining part is pushed the outside wall surface of above-mentioned battery pack.
According to the present invention, under the state that the battery pack maintaining part of battery pack and shank part links, the rubber-like cladding material is pushed the outside wall surface of battery pack.Therefore, the effect by above-mentioned cladding material can suppress becoming flexible between battery pack and the shank part.
In addition, owing to adopt sidewall to form opening and make the part of the cladding material on the surface that covers shank part enter into the structure of the inboard of battery pack maintaining part in the battery pack maintaining part, so can not increase components number.
Invention according to second aspect is characterized in that, cladding material constitutes near the slip final position of the relative battery pack maintaining part of battery pack and this position and contacts with the outside wall surface of above-mentioned battery pack.
That is,,, can not make the plug mis-behave of battery pack so can not become big owing to this cladding material causes the resistance to sliding of battery pack because cladding material does not contact with above-mentioned battery pack in the slip way of battery pack.
Invention according to the third aspect is characterized in that, is provided with in this battery pack maintaining part open space or closed space in above-mentioned battery pack maintaining part at the cladding material that enters into battery pack maintaining part inboard.
Therefore, cladding material is easy to further distortion, can suppress the loosening of battery pack effectively.
Invention according to fourth aspect is characterized in that, closed space in the battery pack maintaining part is open in the position of the opening of the sidewall of this battery pack maintaining part.
Invention according to the 5th aspect is characterized in that, becomes the inclined plane that the glide direction with respect to battery pack tilts with the bearing surface of the cladding material of the outside wall surface butt of battery pack.
Therefore, cladding material is out of shape on the roughly rectangular direction of relative glide direction in the sliding process of battery pack, and the resistance to sliding of battery pack increases gradually.That is, because not sharply distortion of cladding material, so the durability of above-mentioned cladding material improves.
According to the present invention, can not increase components number and suppress loosening between battery pack and the housing.
Description of drawings
Fig. 1 is the unitary side view of the electric tool that relates to of embodiments of the present invention 1.
Fig. 2 is a plane (II-II of Fig. 1 is to view) of seeing power tool body from the below.
Fig. 3 is a part of rupture cross section figure (from the III-III of Fig. 2 to part fracture side that apparent direction is seen) (A figure) of power tool body, the B portion enlarged drawing (B figure) of A figure.
Fig. 4 is the part fracture side view of power tool body that the state of battery pack is installed.
Fig. 5 is the V portion enlarged drawing of Fig. 4.
Fig. 6 is the schematic diagram (VI-VI of Fig. 1, Fig. 4 is to looking schematic diagram) of the chimerism of expression battery pack maintaining part of power tool body and battery pack.
Fig. 7 is the stereogram of battery pack.
Fig. 8 is that the B-B of the partial side view (A figure) of the power tool body that relates to of modification and A figure is to view (B figure).
Fig. 9 is that the B-B of the partial side view (A figure) of the power tool body that relates to of modification and A figure is to view (B figure).
Symbol description
11... housing; 12... housing body unit; 15... shank part; 17... battery pack maintaining part; 17z... rear sidewall; 17h... opening; 30... battery pack; 36... slide rail; 36t... transverse direction projecting strip part (fitting portion); 150... elastomer (cladding material); 152... ledge (part); T... front end step.
The specific embodiment
Below based on the electric tool that embodiments of the present invention 1 relate to being described from Fig. 1 to Fig. 7.The electric tool that present embodiment relates to is the rechargeable driving electric drill (hereinafter referred to as electric tool) that possesses battery pack.
At this, among the figure all around and up and down with electric tool all around and corresponding up and down.
＜about the summary of electric tool 〉
The electric tool that present embodiment relates to is made of power tool body 10 and battery pack 30.
The housing 11 of power tool body 10 is shown in Fig. 1 waits, by the tubular shell main part 12 of taking in motor etc. and shank part 15 formations that form highlightedly from the sidepiece of this housing body unit 12 (bottom among Fig. 1 etc.).
The part that shank part 15 persons of being to use are controlled when using electric tool 10 constitutes by holding area 16 with respect to the battery pack maintaining part 17 that this holding area 16 is positioned at jag (lower end) side.Holding area 16 forms smaller diameter for the ease of the user grips, and the base end part in this holding area 16 is provided with the main switch 18 of trigger form.Battery pack maintaining part 17 constitutes with respect to holding area 16 direction expansion forwards, backwards, and battery pack 30 links with the following side of this battery pack maintaining part 17.
The surface of the shank part 15 of housing 11 is to improve operation and to improve purposes such as attractive in appearance, with cladding material 150 (hereinafter referred to as the elastomer 150) covering of rubber system.
＜about battery pack 30 〉
As shown in Figure 7, battery pack 30 possesses the housing body unit 32 of the top style of opening of taking in a plurality of batteries (omit diagram) and stops up the cap 34 of the opening 32h of this housing body unit 32.Housing body unit 32 and cap 34 form the plane general square shape, and cap 34 many places on Zhou Fangxiang are fixed on this housing body unit 32 by screw.
At the upper surface of the cap 34 of above-mentioned battery pack 30, be formed with in its left and right sides upwardly extending along front and back, be used for the slide rail 36 that links with power tool body 10.About slide rail 36 constitute by the 36m of rail body portion with from the upper side of the 36m of this rail body portion transverse direction projecting strip part 36t to the outstanding certain size in the width outside.In addition, about the base end part position (front position) of slide rail 36 be formed with retainer 36u.
In the upper surface front portion of cap 34, about slide rail 36 between be formed with pair of right and left guiding groove 37 abreast with above-mentioned slide rail 36, the tabular terminal of power tool body 10 (omit diagram) can be inserted into the guiding groove 37 from the rear respectively.And, about the inside of guiding groove 37 be provided with positive electrode, the negative electrode (omitting diagram) of battery pack 30.In addition, about guiding groove 37 between be formed with peristome 34x, the out connector 33 of the control circuit of battery pack 30 is outstanding from this peristome 34x with the state that points to the rear.
＜about battery pack maintaining part 17 〉
Be arranged at the battery pack maintaining part 17 of the shank part 15 of power tool body 10, as shown in Figure 6, possess along the glide direction (fore-and-aft direction) of battery pack 30 extend about sidewall 17k, be formed with chamfered groove 17m at the mutual opposed internal face of these sidewalls 17k.The chamfered groove 17m of battery pack maintaining part 17 is the chimeric grooves of transverse direction projecting strip part 36t for the slide rail 36 of battery pack 30, forms near back-end location from the front position of battery pack maintaining part 17 linearlyly.
In addition, shown in Fig. 2 waits, be formed with the roughly circular-arc rear sidewall 17z in plane at the back-end location of battery pack maintaining part 17, about sidewall 17k be connected with this rear sidewall 17z.That is, at the back-end location of battery pack maintaining part 17, with rear sidewall 17z with about sidewall 17k between stop up.
According to said structure, if make each slide rail 36 that is formed at battery pack 30 transverse direction projecting strip part 36t front end (rear end) respectively with the battery pack maintaining part 17 of power tool body 10 in about the front end of chamfered groove 17m chimeric, then can keep under this chimeric state battery pack 30 rearward being slided with respect to power tool body 10.And, sliding into the rear end restriction site by making battery pack 30 relative power tool body 10, the front end step T (back step T is with reference to Fig. 7) of battery pack 30 can arrive the position of the rear sidewall 17z of battery pack maintaining part 17.Under this state, the electrode of battery pack 30 is connected with the terminal of electric tool 10, and the out connector 33 of battery pack 30 is connected with the connector (omitting diagram) of power tool body 10.And then, realize preventing that battery pack 30 from deviating from respect to power tool body 10 (battery pack maintaining part 17).That is, slide into the rear end restriction site by making battery pack 30, battery pack 30 links with the battery pack maintaining part 17 of power tool body 10.
Thus, the transverse direction projecting strip part 36t of the slide rail 36 of above-mentioned battery pack 30 is equivalent to the fitting portion of battery pack of the present invention, and the above-mentioned restriction site that retreats is equivalent to slip final position of the present invention.
＜about elastomer 150 〉
Shown in Fig. 3 (A), (B) etc., be formed with opening 17h in the left and right sides of the rear sidewall 17z of battery pack maintaining part 17, the part 152 of elastomer 150 from each opening 17h to the inboard of this battery pack maintaining part 17 (below side) outstanding (with reference to Fig. 2).The part 152 of elastomer 150 (below be called ledge 152) forms the case shape of flat square, the opening H of the ledge 152 of this case shape, and shown in Fig. 3 (B), the opening 17h that is set at rear sidewall 17z is in same position.And, as Fig. 4, shown in Figure 5, battery pack 30 slide into respect to the rear end restriction site of power tool body 10 and near state under, the front end step T (back step T) of battery pack 30 and near ledge 152 butts from downside and elastomer 150 thereof make these ledge 152 strains.That is, the ledge 152 of elastomer 150 push battery pack 30 front end step T (back step T) and near.
At this, cover the main part of elastomer 150 on surface of shank part 15 and above-mentioned ledge 152 and be by under the state that the housing after the injection-molded moulding 11 is embedded in the elastomer finishing dies to this elastomer shaping mold-in injection raw elastomer material and integrated.
The advantage of＜the electric tool that relates to about present embodiment 〉
The electric tool that relates to according to present embodiment, under the state that the battery pack maintaining part 17 of battery pack 30 and shank part 15 links, the ledge 152 of rubber-like elastomer 150 is pushed near the outside wall surface (front end step T (rear end step T) and) of battery pack 30.Therefore, the effect of the ledge 152 by elastomer 150 can suppress loosening between battery pack 30 and the shank part 15.
In addition, cover the structure that the ledge 152 of elastomer 150 on the surface of shank part 15 enters the inboard of battery pack maintaining part 17 owing to adopt to make, so can not increase components number from the opening 17h of the rear sidewall 17z of battery pack maintaining part 17.
In addition, elastomer 150 constitute battery pack 30 with respect to the slip final position of battery pack maintaining part 17 and near contact with the outside wall surface of this battery pack 30.That is,,, can not make the plug mis-behave of battery pack 30 so can not become big owing to this elastomer 150 causes the resistance to sliding of battery pack 30 because elastomer 150 does not contact with battery pack 30 in the slip way of battery pack 30.
In addition, the ledge 152 of elastomer 150 is configured as the flat case shape with inner space, position with this inner space enters the inboard from the opening 17h of battery pack maintaining part 17, so elastomer 150 is easy to further strain, can suppress the loosening of battery pack 30 effectively.
＜modification 〉
At this, the present invention is not limited to above-mentioned embodiment, can change in the scope of the purport of the present invention that do not come off.For example, in the present embodiment, enumerate the example that the ledge 152 of elastomer 150 is formed flat case shape, but also the bearing surface with outside wall surface butt battery pack 30 this ledge 152 can be made as the inclined plane of the glide direction inclination of relative battery pack 30.Thus, the ledge 152 of elastomer 150 is out of shape on the roughly rectangular direction of relative glide direction in the sliding process of battery pack 30, and the resistance to sliding of battery pack 30 increases gradually.That is, because the not sharply distortion of the ledge 152 of elastomer 150, so the durability of above-mentioned ledge 152 improves.
In addition, in the present embodiment, enumerated about two places form the example of the ledge 152 of elastomer 150, but the ledge about also can making is continuous along the rear sidewall 17z of battery pack maintaining part 17.
In addition, in the present embodiment, the ledge of having enumerated elastomer 150 152 forms flat case shape, the opening H of the ledge 152 of this case shape is configured in the example of the position identical with the opening 17h of rear sidewall 17z.That is, the ledge 152 of having enumerated elastomer 150 possesses space closed in battery pack maintaining part 17, and this space is at the open example in the position of the opening 17h of rear sidewall 17z.But, also can be as shown in Figure 8, the lower surface 152d of the ledge 152 of elastomer 150 is formed the waveform shape, at this ledge 152 space S open in the battery pack maintaining part 17 is set.In addition, also can be as shown in Figure 9, form columniform projection 152t at the lower surface of the ledge 152 of elastomer 150, be arranged on space S open in the battery pack maintaining part 17 at this ledge 152.
In addition, in the present embodiment, exemplified out the driving electric drill, but in addition, also can apply the present invention to for example impact screwdriver etc. is formed with shank part at housing electric tool as one of electric tool.
Claims (5)
1. electric tool is characterized in that possessing:
Take in the housing body unit of the tubular of motor; The outside is outstanding from this housing body unit along radial direction forms and the surperficial shank part that is covered by the rubber-like cladding material; Be arranged on the battery pack maintaining part of the jag of this shank part; With the battery pack that links with described battery pack maintaining part,
Be provided with the fitting portion that described relatively battery pack maintaining part can be chimeric in described battery pack, by the action of on certain orientation, sliding in relative this battery pack maintaining part of described battery pack maintaining part with described battery pack under the chimeric state of described fitting portion, and link described battery pack and described battery pack maintaining part
Sidewall in described battery pack maintaining part is formed with opening, and the part of described cladding material enters the inboard of described battery pack maintaining part from this opening,
Under the state of described battery pack and the binding of described battery pack maintaining part, the described cladding material that enters into the inboard of described battery pack maintaining part is pushed the outside wall surface of described battery pack.
2. electric tool according to claim 1 is characterized in that:
Described cladding material constitutes near the slip final position of the described relatively battery pack maintaining part of described battery pack and this position and contacts with the outside wall surface of described battery pack.
3. electric tool according to claim 1 and 2 is characterized in that:
The cladding material that enters into the inboard of described battery pack maintaining part is provided with space open in this battery pack maintaining part or closed space in described battery pack maintaining part.
4. electric tool according to claim 3 is characterized in that:
Described space closed in the battery pack maintaining part, open in the position of the opening of the sidewall of this battery pack maintaining part.
5. electric tool according to claim 1 and 2 is characterized in that:
Become the inclined plane that the glide direction with respect to described battery pack tilts with the bearing surface of the cladding material of the outside wall surface butt of described battery pack.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009094187A JP5248399B2 (en) | 2009-04-08 | 2009-04-08 | Electric tool |
| JP2009-094187 | 2009-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101856812A CN101856812A (en) | 2010-10-13 |
| CN101856812B true CN101856812B (en) | 2011-12-28 |
Family
ID=42943093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101417964A Expired - Fee Related CN101856812B (en) | 2009-04-08 | 2010-03-25 | Electric tool |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5248399B2 (en) |
| CN (1) | CN101856812B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5698546B2 (en) * | 2011-01-20 | 2015-04-08 | 株式会社マキタ | Rechargeable power tool |
| JP6048192B2 (en) | 2013-02-13 | 2016-12-21 | 日立工機株式会社 | Electrical equipment and electrical equipment |
| JP6066074B2 (en) | 2013-03-28 | 2017-01-25 | 日立工機株式会社 | Electric tool and battery pack used therefor |
| US10076833B2 (en) | 2013-10-10 | 2018-09-18 | Makita Corporation | Electric tools |
| JP6125396B2 (en) * | 2013-10-10 | 2017-05-10 | 株式会社マキタ | Electric tool |
| JP2021037560A (en) * | 2019-08-30 | 2021-03-11 | 株式会社マキタ | Electric work machine |
| DE102021115105A1 (en) | 2021-06-11 | 2022-12-15 | Metabowerke Gmbh | Battery-operated hand tool |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10296660A (en) * | 1997-04-25 | 1998-11-10 | Hitachi Koki Co Ltd | Battery type portable tool |
| DE19905085A1 (en) * | 1999-01-29 | 2000-08-03 | Black & Decker Inc N D Ges D S | Battery operated, hand-held power tool |
| EP1365890B1 (en) * | 2001-01-23 | 2007-10-17 | BLACK & DECKER INC. | Housing with functional overmold |
| JP2005144564A (en) * | 2003-11-11 | 2005-06-09 | Matsushita Electric Works Ltd | Portable electric tool |
| JP4739910B2 (en) * | 2005-10-25 | 2011-08-03 | 株式会社マキタ | Battery pack mounting structure for electric tools |
| JP2008080420A (en) * | 2006-09-26 | 2008-04-10 | Matsushita Electric Works Ltd | Battery pack for power tool |
| JP4241810B2 (en) * | 2006-11-27 | 2009-03-18 | パナソニック電工株式会社 | Electric tool |
| US8253285B2 (en) * | 2007-04-27 | 2012-08-28 | Hitachi Koki Co., Ltd. | Power tool |
| JP4977533B2 (en) * | 2007-06-07 | 2012-07-18 | 株式会社マキタ | Portable electric tool |
-
2009
- 2009-04-08 JP JP2009094187A patent/JP5248399B2/en not_active Expired - Fee Related
-
2010
- 2010-03-25 CN CN2010101417964A patent/CN101856812B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101856812A (en) | 2010-10-13 |
| JP5248399B2 (en) | 2013-07-31 |
| JP2010240797A (en) | 2010-10-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| 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 | ||
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Granted publication date: 20111228 Termination date: 20180325 |