JP2002059310A - Dustproof structure of reciprocating cutting tool - Google Patents
Dustproof structure of reciprocating cutting toolInfo
- Publication number
- JP2002059310A JP2002059310A JP2000247819A JP2000247819A JP2002059310A JP 2002059310 A JP2002059310 A JP 2002059310A JP 2000247819 A JP2000247819 A JP 2000247819A JP 2000247819 A JP2000247819 A JP 2000247819A JP 2002059310 A JP2002059310 A JP 2002059310A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- body housing
- slider
- front surface
- dustproof structure
- 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
Landscapes
- Sawing (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、例えばレシプロ
ソー等の往復動切断工具における防塵構造に関する。The present invention relates to a dustproof structure for a reciprocating cutting tool such as a reciprocating saw.
【0002】[0002]
【従来の技術】例えば、上記レシプロソーの本体ハウジ
ングの前面からは、往復動するスライダおよび切断時に
切断材に突き当てられるガイドシューが前方へ突き出さ
れている。スライダは、本体ハウジングの前面に取り付
けた防塵用のシール部材を経て突き出されている。2. Description of the Related Art For example, a reciprocating slider and a guide shoe which abuts against a cutting material at the time of cutting protrude forward from a front surface of a main body housing of the reciprocating saw. The slider protrudes through a dust-proof seal member attached to the front surface of the main body housing.
【0003】[0003]
【発明が解決しようとする課題】従来、上記シール部材
が本体ハウジングの前面にほぼ露出された状態で装着さ
れていたため、当該レシプロソーを用いて例えば金属パ
イプを切断する作業において、切断直後の高温の切断粉
が飛散してシール部材に付着等し、その結果このシール
部材が損傷を受けてシール効果が低下する問題があっ
た。本発明は、この問題に鑑みなされたもので、シール
部材の損傷を防止できる防塵構造を提供することを目的
とする。Conventionally, since the above-mentioned sealing member has been mounted so as to be substantially exposed on the front surface of the main body housing, in the operation of cutting a metal pipe using the reciprocating saw, for example, a high-temperature There is a problem that the cutting powder is scattered and adheres to the seal member, and as a result, the seal member is damaged and the sealing effect is reduced. The present invention has been made in view of this problem, and has as its object to provide a dustproof structure that can prevent damage to a seal member.
【0004】[0004]
【課題を解決するための手段】このため、本発明は、前
記各請求項に記載した構成の防塵構造とした。請求項1
記載の防塵構造によれば、シール部材の前方が前面カバ
ーによって遮蔽されるので、例えば金属パイプを切断す
る作業において、切断直後の高温の切断粉がシール部材
に付着することが防止され、これにより該シール部材の
損傷を防止して、そのシール効果を長期間にわたって維
持することができる。請求項2記載の防塵構造によれ
ば、従来より用いられている本体カバーを利用して本体
ハウジングの前面を覆うことができるので、部品点数を
増やすことなく、上記作用効果を得ることができる。ま
た、前面カバーが本体ハウジングに一体に設けられてい
るので、組付け性を良くすることができる。請求項3記
載の防塵構造によれば、前記作用効果に加えて前面カバ
ーのシール性をより向上させることができる。For this reason, the present invention provides a dustproof structure having the structure described in each of the above claims. Claim 1
According to the dustproof structure described above, the front of the seal member is shielded by the front cover, so that, for example, in the operation of cutting a metal pipe, high-temperature cutting powder immediately after cutting is prevented from adhering to the seal member. The sealing member can be prevented from being damaged, and the sealing effect can be maintained for a long period of time. According to the dustproof structure of the second aspect, the front surface of the main body housing can be covered by using the conventionally used main body cover, so that the above-described effects can be obtained without increasing the number of parts. Further, since the front cover is provided integrally with the main body housing, assemblability can be improved. According to the dustproof structure of the third aspect, the sealing performance of the front cover can be further improved in addition to the above-mentioned effects.
【0005】[0005]
【発明の実施の形態】次に、本発明の実施の形態を図1
に基づいて説明する。図1は、本実施形態の防塵構造を
備えたレシプロソー1の前部を示している。このレシプ
ロソー1の本体ハウジング2の前面はゴム製の前面カバ
ー3aによって覆われている。本体ハウジング2の前面
には凹部4が設けられており、この凹部4の奥部にシー
ル部材6が装着されている。このシール部材6により、
本体ハウジング2の内部が外部から遮蔽されており、こ
れによりスライダ7を摺動支持する軸受け(図示省略)
の防塵がなされる。このシール部材6を経てスライダ7
が本体ハウジング2の前面から前方に突き出されてい
る。このシール部材6により本体ハウジング2の内部が
外部から遮蔽され、これによりスライダ7を摺動支持す
る軸受け等の防塵がなされる。スライダ7は、本体ハウ
ジング2に内蔵した電動モータおよび往復動機構(図示
省略)によりその軸方向に沿って往復動する。このスラ
イダ7の先端には、ブレード(鋸刃)Bを取り付けるた
めのブレード取り付け装置5が取り付けられている。本
体ハウジング2の前面からは、上記スライダ7に加えて
支持バー9が突き出されている。この支持バー9の先端
にガイドシュー8が取り付けられている。このガイドシ
ュー8は、切断作業時に切断材(図示省略)に突き当て
られて、当該レシプロソー1と切断材との間の間隔を一
定に保持する機能を有している。FIG. 1 shows an embodiment of the present invention.
It will be described based on. FIG. 1 shows a front part of a reciprocating saw 1 provided with a dustproof structure of the present embodiment. The front surface of the main body housing 2 of the reciprocating saw 1 is covered with a rubber front cover 3a. A concave portion 4 is provided on the front surface of the main body housing 2, and a seal member 6 is attached to a deep portion of the concave portion 4. With this sealing member 6,
The inside of the main body housing 2 is shielded from the outside, so that a bearing for slidingly supporting the slider 7 (not shown)
Dust protection. Slider 7 passes through sealing member 6
Project forward from the front surface of the main body housing 2. The inside of the main body housing 2 is shielded from the outside by the seal member 6, thereby providing dustproof such as a bearing for slidingly supporting the slider 7. The slider 7 reciprocates along its axial direction by an electric motor and a reciprocating mechanism (not shown) incorporated in the main body housing 2. A blade attachment device 5 for attaching a blade (saw blade) B is attached to the tip of the slider 7. A support bar 9 protrudes from the front surface of the main body housing 2 in addition to the slider 7. A guide shoe 8 is attached to the tip of the support bar 9. The guide shoe 8 has a function of abutting against a cutting material (not shown) during a cutting operation to maintain a constant distance between the reciprocating saw 1 and the cutting material.
【0006】上記スライダ7および支持バー9は、本体
ハウジング2の前面を覆う前面カバー3aからそれぞれ
前方へ相互に平行に突き出されている。この前面カバー
3aには、スライダ挿通孔3bが形成されており、この
スライダ挿通孔3bの周囲には前方に張り出すリップ片
3cが全周にわたって形成されている。このリップ片3
cは、スライダ7の周面全周にわたって弾性的に押圧さ
れており、これにより凹部4ひいてはシール部材6が外
部から遮蔽されている。また、前面カバー3aには支持
バー挿通孔3dが形成されており、この支持バー挿通孔
3dを経て支持バー9が前方へ突き出されている。前面
カバー3aには、固定プレート10が重ね合わせられて
いる。この固定プレート10は、ビス11〜11によっ
て本体ハウジング2の前面に固定されている。この固定
プレート10と本体ハウジング2の前面との間に、前面
カバー3aが挟み込まれており、これにより該前面カバ
ー3aが本体ハウジング2の前面に沿って固定されてい
る。The slider 7 and the support bar 9 project from the front cover 3a covering the front surface of the main body housing 2 forward and parallel to each other. A slider insertion hole 3b is formed in the front cover 3a, and a lip piece 3c that protrudes forward is formed around the entire periphery of the slider insertion hole 3b. This lip piece 3
c is elastically pressed over the entire circumference of the slider 7, thereby shielding the recess 4 and thus the seal member 6 from the outside. A support bar insertion hole 3d is formed in the front cover 3a, and the support bar 9 protrudes forward through the support bar insertion hole 3d. The fixing plate 10 is overlaid on the front cover 3a. This fixing plate 10 is fixed to the front surface of the main body housing 2 by screws 11 to 11. A front cover 3a is sandwiched between the fixing plate 10 and the front surface of the main body housing 2, whereby the front cover 3a is fixed along the front surface of the main body housing 2.
【0007】以上のように構成した本実施形態の防塵構
造によれば、本体ハウジング2の前面が前面カバー3a
によって覆われており、この前面カバー3aによってシ
ール部材6の前方が外部から遮断されている。このた
め、例えば金属パイプの切断作業時に発生した切断直後
の高温の金属粉がシール部材6に付着することが防止さ
れ、これにより該シール部材6の損傷を防止してそのシ
ール効果を長期間にわたって維持することができる。ま
た、本実施形態では、本体カバー3を本体ハウジング2
の前面側に延長してシール部材6の前方を遮蔽する構成
であり、本体カバー3に前面カバー3aが一体に形成さ
れた構成であるので、特に部品点数を増やすことなく上
記作用効果を得ることができる。According to the dustproof structure of the present embodiment configured as described above, the front surface of the main body housing 2 has the front cover 3a.
The front of the seal member 6 is shielded from the outside by the front cover 3a. For this reason, for example, high-temperature metal powder immediately after cutting generated during the cutting operation of the metal pipe is prevented from adhering to the seal member 6, thereby preventing damage to the seal member 6 and improving the sealing effect over a long period of time. Can be maintained. In the present embodiment, the main body cover 3 is attached to the main body housing 2.
And the front cover 3a is formed integrally with the main body cover 3 so that the above-mentioned effects can be obtained without increasing the number of parts. Can be.
【0008】さらに、スライダ挿通孔3bには前方に張
り出すリップ片3cがその全周にわたって形成されてい
るので、該前面カバー3aとスライダ7との間のシール
性をより高めることができ、ひいてはシール部材6の損
傷を一層確実に防止することができる。また、本体ハウ
ジング2の前面にビス止めした固定プレート10と本体
ハウジング2の前面との間に前面カバー3aを挟み込ん
で固定する構成であるので、当該前面カバー3aのばた
つきあるいは位置ズレを防止することができ、この点で
当該前面カバー3aの遮蔽効果を一層確実に維持するこ
とができる。Further, the lip piece 3c projecting forward is formed in the slider insertion hole 3b over the entire circumference thereof, so that the sealing property between the front cover 3a and the slider 7 can be further improved, and as a result, Damage to the seal member 6 can be more reliably prevented. Further, since the front cover 3a is sandwiched and fixed between the fixing plate 10 screwed to the front surface of the main body housing 2 and the front surface of the main body housing 2, flapping or displacement of the front cover 3a is prevented. In this respect, the shielding effect of the front cover 3a can be more reliably maintained.
【0009】以上例示した実施形態には種々変更を加え
ることができる。例えば、本体ハウジング2の前面を覆
う前面カバー3aを本体カバー3に一体に形成する構成
を提示したが、これに限らず、本体カバー3とは別体で
形成した前面カバーを本体ハウジング2の前面に張り付
ける構成としてもよい。また、リップ片3cは前方に張
り出す形態を例示したが、凹部4側に張り出す形態ある
いは前後双方に張り出す形態としてもよい。Various modifications can be made to the embodiment exemplified above. For example, although the configuration in which the front cover 3a that covers the front surface of the main body housing 2 is formed integrally with the main body cover 3 has been proposed, the present invention is not limited to this, and the front cover formed separately from the main body cover 3 may be used. It may be configured to be attached to In addition, although the lip piece 3c has been described as being extended forward, the lip 3c may be extended toward the recess 4 or may be extended forward and backward.
【図1】本発明の実施形態を示す図であり、レシプロソ
ーの前部の側面図である。FIG. 1 is a view showing an embodiment of the present invention, and is a side view of a front portion of a reciprocating saw.
1…レシプロソー(往復動切断工具) 2…本体ハウジング 3…本体カバー 3a…前面カバー、3b…スライダ挿通孔、3c…リッ
プ片、3d…支持バー挿通孔 4…凹部 5…ブレード取り付け装置 6…シール部材 7…スライダ 8…ガイドシュー 9…支持バー 10…固定プレート 11…ビス B…ブレードDESCRIPTION OF SYMBOLS 1 ... Reciprocating saw (reciprocating cutting tool) 2 ... Main body housing 3 ... Main body cover 3a ... Front cover, 3b ... Slider insertion hole, 3c ... Lip piece, 3d ... Support bar insertion hole 4 ... Depression 5 ... Blade mounting device 6 ... Seal Member 7: Slider 8: Guide shoe 9: Support bar 10: Fixing plate 11: Screw B: Blade
Claims (3)
復動可能に突き出された往復動切断工具の防塵構造であ
って、前記本体ハウジングの前面に前面カバーを取り付
け、該前面カバーにより前記スライダの周囲に装着した
シール部材の前方を遮蔽する構成とした往復動切断工具
の防塵構造。1. A dustproof structure for a reciprocating cutting tool in which a slider protrudes reciprocally from a front surface of a main body housing, wherein a front cover is attached to a front surface of the main body housing, and the front cover covers the slider around the front cover. A dustproof structure of a reciprocating cutting tool configured to shield the front of the mounted seal member.
ハウジングを覆う本体カバーを該本体ハウジングの前面
側に延長してシール部材の前方を遮蔽する構成とした往
復動切断工具の防塵構造。2. The dustproof structure of a reciprocating cutting tool according to claim 1, wherein a main body cover covering the main body housing is extended to the front side of the main body housing to shield the front of the seal member. .
カバーの、スライダを挿通するための開口部に沿って前
方へ張り出すリップ片を設け、該リップ片をスライダの
周面に弾性圧接させる構成とした往復動切断工具の防塵
構造。3. The dustproof structure according to claim 1, wherein a lip piece is provided on the front cover and protrudes forward along an opening through which the slider is inserted, and the lip piece is elastically attached to a peripheral surface of the slider. Dustproof structure of reciprocating cutting tool with pressure contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000247819A JP3761774B2 (en) | 2000-08-17 | 2000-08-17 | Dust-proof structure for reciprocating cutting tools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000247819A JP3761774B2 (en) | 2000-08-17 | 2000-08-17 | Dust-proof structure for reciprocating cutting tools |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002059310A true JP2002059310A (en) | 2002-02-26 |
JP3761774B2 JP3761774B2 (en) | 2006-03-29 |
Family
ID=18737833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000247819A Expired - Fee Related JP3761774B2 (en) | 2000-08-17 | 2000-08-17 | Dust-proof structure for reciprocating cutting tools |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3761774B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005319542A (en) * | 2004-05-10 | 2005-11-17 | Makita Corp | Cutting-off tool |
JP2010012582A (en) * | 2008-07-07 | 2010-01-21 | Makita Corp | Jig saw |
CN102794504A (en) * | 2011-05-27 | 2012-11-28 | 株式会社牧田 | Cutting tool |
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JPH08145193A (en) * | 1994-11-24 | 1996-06-04 | Nippon Mektron Ltd | Dust seal |
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JPH11132338A (en) * | 1997-10-28 | 1999-05-21 | Nok Corp | Sealing device |
JP2000117535A (en) * | 1998-08-13 | 2000-04-25 | Milwaukee Electric Tool Corp | Track reciprocating saw |
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2000
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JPS5659355U (en) * | 1979-10-12 | 1981-05-21 | ||
JPS58137177U (en) * | 1982-03-12 | 1983-09-14 | 新キャタピラー三菱株式会社 | Spool seal device |
JPS634470U (en) * | 1986-06-27 | 1988-01-12 | ||
JPS6317370U (en) * | 1986-07-18 | 1988-02-04 | ||
JPS63171762U (en) * | 1987-04-28 | 1988-11-08 | ||
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005319542A (en) * | 2004-05-10 | 2005-11-17 | Makita Corp | Cutting-off tool |
JP4554982B2 (en) * | 2004-05-10 | 2010-09-29 | 株式会社マキタ | Cutting tool |
JP2010012582A (en) * | 2008-07-07 | 2010-01-21 | Makita Corp | Jig saw |
CN102794504A (en) * | 2011-05-27 | 2012-11-28 | 株式会社牧田 | Cutting tool |
EP2527071A1 (en) * | 2011-05-27 | 2012-11-28 | Makita Corporation | Cutting tool with dust preventing device |
Also Published As
Publication number | Publication date |
---|---|
JP3761774B2 (en) | 2006-03-29 |
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