JP5595773B2 - Portable power bag - Google Patents

Portable power bag Download PDF

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JP5595773B2
JP5595773B2 JP2010082938A JP2010082938A JP5595773B2 JP 5595773 B2 JP5595773 B2 JP 5595773B2 JP 2010082938 A JP2010082938 A JP 2010082938A JP 2010082938 A JP2010082938 A JP 2010082938A JP 5595773 B2 JP5595773 B2 JP 5595773B2
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portable power
bag
back plate
power supply
battery pack
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JP2011216304A (en
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亮太 森
智弘 蜂須賀
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Makita Corp
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Makita Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Description

本発明は、剪定バサミや生垣バリカン等の充電式電動工具の電源として利用する携帯用電源バッグに関する。   The present invention relates to a portable power supply bag used as a power source for rechargeable electric tools such as pruning shears and hedge clippers.

剪定バサミや生垣バリカン等の充電式電動工具においては、作業者の負担を軽減して操作性を良好とするために、電源となるバッテリーパックを工具本体と別体にして作業者が携帯可能とし、バッテリーパックと電動工具とを中継コードで接続して電源を得る形態が知られている。例えば特許文献１には、複数のニッケル−カドミウム電池を直列接続する組電池を収容したケースの上部に、制御回路を収容した第二ケースを着脱可能に結合すると共に、各ケースの端縁部にベルトの通し穴を形成して、通し穴の選択によって腰での携帯や背中での携帯を可能としたバッテリーパックが開示されている。また、特許文献２にも、内部に複数の蓄電池を備えたケースにショルダーバンドを結合して背中での携帯を可能とした携帯用電源が開示されている。   In rechargeable electric tools such as pruning shears and hedge clippers, the battery pack that is the power source is separated from the tool body to make it portable for the operator to reduce the burden on the operator and improve operability. A form is known in which a battery pack and a power tool are connected by a relay cord to obtain a power source. For example, in Patent Document 1, a second case containing a control circuit is detachably coupled to an upper part of a case containing a battery pack in which a plurality of nickel-cadmium batteries are connected in series, and at the edge of each case. A battery pack is disclosed in which a through-hole of a belt is formed, and it can be carried on the waist or on the back by selecting the through-hole. Patent Document 2 also discloses a portable power source that can be carried on the back by coupling a shoulder band to a case having a plurality of storage batteries inside.

特開２０００−１６４１８２号公報JP 2000-164182 A 実開平４−１０１３５７号公報Japanese Utility Model Publication 4-101357

しかし、上記従来のバッテリーパックや携帯用電源は、何れもハードケースで形成されているため、携帯した際の体へのフィット感が不十分で、長時間の使用の際には使用感が悪くなるおそれがある。
ところで、二次電池としては、従来のニッケル−カドミウム電池等に代わり、同じ容量で小型且つ軽量化でき、さらにはメモリー効果が小さく自己放電特性も良好なリチウムイオン電池が普及している。しかし、充電式電動工具においてはリチウムイオン電池を工具本体に直接装着するバッテリーパックとして使用する形態が一般的で、別体の携帯用電源としては用いられていない。従って、充電式電動工具でも小型で軽量のリチウムイオン電池を携帯用電源として利用できれば作業性の向上に繋がる。 However, since the conventional battery pack and the portable power source are both formed in a hard case, the fit to the body when carried is insufficient, and the usability is poor when used for a long time. There is a risk.
By the way, as a secondary battery, a lithium ion battery which can be reduced in size and weight with the same capacity, has a small memory effect, and has a good self-discharge characteristic, instead of a conventional nickel-cadmium battery or the like, is widely used. However, in a rechargeable electric tool, a form in which a lithium ion battery is used as a battery pack that is directly attached to a tool body is common, and is not used as a separate portable power source. Therefore, even if the rechargeable power tool can be used as a portable power source, a small and light lithium-ion battery can improve workability.

そこで、本発明は、携帯の際のフィット感が良好となって使用感に優れ、而もリチウムイオン電池を充電式電動工具の携帯用電源として好適に利用できる携帯用電源バッグを提供することを目的としたものである。   Therefore, the present invention provides a portable power supply bag that has a good fit when carried and has excellent usability, and that can suitably use a lithium ion battery as a portable power source for a rechargeable electric tool. It is intended.

上記目的を達成するために、請求項１に記載の発明は、布製の携帯用電源バッグであって、左右一対の肩ベルトを備えて内部に芯材を有するバックプレートの背面に、開閉可能なバッグ部を設ける一方、バックプレートの前面にクッション部を設け、バッグ部に、リチウムイオン電池を用いた充電式電動工具用のバッテリーパックと、そのバッテリーパックが着脱可能に電気的接続される装着ユニットとを収容する一方、バックプレートの前面下部に、左右方向の腰ベルトを、その中央部の少なくとも上下何れか一方の端部のみをバックプレートと連結させて設けて、腰ベルトを、装着状態で作業者の腰に沿って湾曲可能としたことを特徴とするものである。
請求項２に記載の発明は、請求項１の構成において、クッション部を所定の間隔をおいて複数設けたことを特徴とするものである。
請求項３に記載の発明は、請求項２の構成において、クッション部を上下方向に配列したことを特徴とするものである。
請求項４に記載の発明は、請求項２又は３の構成において、クッション部を左右対称に配列したことを特徴とするものである。
請求項５に記載の発明は、請求項１乃至４の何れかの構成において、肩ベルトを、正面視で上側が左右外側へ膨らみ、下側が左右内側へ膨らむ左右鏡面対称のＳ字状に形成したことを特徴とするものである。 In order to achieve the above object, the invention described in claim 1 is a cloth-made portable power supply bag that can be opened and closed on the back surface of a back plate having a pair of left and right shoulder belts and having a core material inside. While providing a bag part, a cushion part is provided on the front surface of the back plate, and a battery pack for a rechargeable electric tool using a lithium ion battery and an attachment unit in which the battery pack is detachably connected to the bag part. In the lower part of the front surface of the back plate, a left and right waist belt is provided with at least one of the upper and lower ends connected to the back plate. It is characterized in that it can be bent along the operator's waist .
The invention according to claim 2 is characterized in that, in the configuration of claim 1, a plurality of cushion portions are provided at predetermined intervals.
The invention described in claim 3 is characterized in that, in the configuration of claim 2, the cushion portions are arranged in the vertical direction.
According to a fourth aspect of the present invention, in the configuration of the second or third aspect, the cushion portions are arranged symmetrically.
According to a fifth aspect of the present invention, in the configuration of any one of the first to fourth aspects, the shoulder belt is formed in a left-right mirror-symmetrical S-shape in which the upper side swells left and right and the lower side swells left and right in front view. It is characterized by that.

請求項１に記載の発明によれば、バックプレートがあっても携帯の際のフィット感が良好となり、バッテリーパック等の重量による作業者への負荷が軽減されて使用感に優れる。また、リチウムイオン電池を用いた既存のバッテリーパックを充電式電動工具の携帯用電源として好適に利用できる。
さらに、腰ベルトは作業者の腰に沿って湾曲するため、腰ベルトの部分でもバックプレートとの間で通気性が得られると共に、フィット感の向上も期待できる。
請求項２に記載の発明によれば、請求項１の効果に加えて、クッション部を所定の間隔をおいて複数設けているので、バックプレートと背中との間での通気性が確保される。
請求項３に記載の発明によれば、請求項２の効果に加えて、クッション部を上下方向に配列しているので、背中に沿ってクッション部が当接して使用感がより良好となる。
請求項４に記載の発明によれば、請求項２又は３の効果に加えて、クッション部を左右対称に配列しているので、クッション部が背中の左右にバランス良く当接して携帯した際の安定性が高まる。また、背骨を避けてクッション部が当接する格好となるので、フィット感はより良好となる。
請求項５に記載の発明によれば、請求項１乃至４の何れかの効果に加えて、肩ベルトを左右鏡面対称のＳ字状に形成したことで、肩ベルトが作業者の肩にフィットしてずれにくくなる。
According to the first aspect of the present invention, even when there is a back plate, the feeling of fitting when carrying is good, and the load on the operator due to the weight of the battery pack or the like is reduced, and the feeling of use is excellent. Further, an existing battery pack using a lithium ion battery can be suitably used as a portable power source for the rechargeable electric tool.
Furthermore, since the waist belt is curved along the operator's waist, air permeability can be obtained between the waist belt and the back plate, and an improved fit can be expected.
According to the second aspect of the invention, in addition to the effect of the first aspect, a plurality of cushion portions are provided at a predetermined interval, so that air permeability between the back plate and the back is ensured. .
According to the third aspect of the invention, in addition to the effect of the second aspect, since the cushion portions are arranged in the vertical direction, the cushion portions come into contact with each other along the back, and the feeling of use becomes better.
According to the fourth aspect of the invention, in addition to the effect of the second or third aspect, since the cushion portions are arranged symmetrically, the cushion portion is in contact with the left and right sides of the back with good balance. Increased stability. Moreover, since it becomes the appearance which a cushion part contact | abuts avoiding a spine, a feeling of fitting becomes more favorable.
According to the fifth aspect of the invention, in addition to the effect of any one of the first to fourth aspects, the shoulder belt is formed in an S-shape that is left-right mirror-symmetrical, so that the shoulder belt fits the operator's shoulder. It becomes difficult to slip.

携帯用電源バッグの正面図である。It is a front view of a portable power supply bag. 携帯用電源バッグの側面図である。It is a side view of a portable power supply bag. バッテリーパックの斜視図である。It is a perspective view of a battery pack. 携帯用電源バッグを携帯した状態の説明図である。It is explanatory drawing of the state which carried the portable power supply bag. 腰ベルト部分の説明図である。It is explanatory drawing of a waist belt part. ホルスタ部分の説明図である。It is explanatory drawing of a holster part.

以下、本発明の実施の形態を図面に基づいて説明する。
図１、２に、携帯用電源バッグ（以下単に「電源バッグ」という。）の一例を示す。この電源バッグ１は、キャンバス生地やナイロン生地等を用いた布製である。まず電源バッグ１は、縦長の矩形状を呈し、内部に芯材となる略同形状の硬質プレートを有するバックプレート２を備え、そのバックプレート２の背面下部に、左右面及び上面に亘って設けられたファスナ４によって後面が開閉可能なバッグ部３が設けられている。また、バックプレート２の上端から左右の側縁下側に掛けて、前面側へ突出する左右一対の肩ベルト５，５が架設されている。この肩ベルト５，５は、正面視で上側が左右外側へ膨らみ、下側が左右内側へ膨らむ左右鏡面対称のＳ字状に形成されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show an example of a portable power supply bag (hereinafter simply referred to as “power supply bag”). The power supply bag 1 is made of cloth using canvas cloth, nylon cloth, or the like. First, the power supply bag 1 has a vertically long rectangular shape and includes a back plate 2 having a hard plate of substantially the same shape as a core material, and is provided at the lower back of the back plate 2 over the left and right surfaces and the upper surface. A bag portion 3 whose rear surface can be opened and closed by the fastener 4 is provided. Further, a pair of left and right shoulder belts 5 and 5 projecting from the upper end of the back plate 2 to the lower side of the left and right side edges and projecting to the front side are provided. The shoulder belts 5 and 5 are formed in a left-right mirror-symmetrical S-shape in which the upper side swells left and right and the lower side swells left and right in the front view.

６は、バックプレート２の前面下部へ直交状に連結された腰ベルトで、この腰ベルト６は、中央部における幅方向の上下端（図１のＰ１，Ｐ２位置）のみが、左右方向の所定長さの縫製によってバックプレート２と固定されている。腰ベルト６は、通気性のよいメッシュ構造で、その両端には、雄部材７と雌部材８とによって互いに結合可能なバックルが設けられている。
また、バックプレート２の前面で腰ベルト６の上方には、正面視が長円状となる４つのクッション部９，９・・が、左右及び上下に所定の間隔をおいて左右対称に配置されている。このクッション部９は、内部にウレタン等の弾性材が充填されて前後方向に弾性を備えている。 Reference numeral 6 denotes a waist belt connected orthogonally to the lower front portion of the back plate 2, and the waist belt 6 has only a predetermined width in the left and right direction at the upper and lower ends (positions P1 and P2 in FIG. 1) in the center. It is fixed to the back plate 2 by length sewing. The waist belt 6 has a mesh structure with good air permeability, and buckles that can be coupled to each other by a male member 7 and a female member 8 are provided at both ends thereof.
Further, above the waist belt 6 on the front surface of the back plate 2, four cushion portions 9, 9..., Which are oblong in front view, are arranged symmetrically at predetermined intervals in the left and right and up and down directions. ing. The cushion portion 9 is filled with an elastic material such as urethane and has elasticity in the front-rear direction.

一方、バック部３内には、バッテリーパック１０が収容されている。このバッテリーパック１０は、インパクトドライバやハンマードリル等の充電式電動工具のハウジングに直接装着して使用される市販品で、図３に示すように、複数のリチウムイオン電池を収容した四角箱状のパック本体１１の上面に、充電式電動工具への装着部１２が形成されている。この装着部１２は、長手方向の側辺に沿って形成した一対のレール１３，１３の間に、図示しない正負の端子を備えたもので、充電式電動工具のハウジングに設けられた一対のガイドレール間にレール１３，１３を嵌合させてスライドさせることで、ハウジングへの装着と同時に正負の端子がガイドレール間に設けた正負の端子板と電気的接続する構造となっている。   On the other hand, a battery pack 10 is accommodated in the back portion 3. This battery pack 10 is a commercially available product that is used by directly attaching to a housing of a rechargeable electric tool such as an impact driver or a hammer drill. As shown in FIG. 3, the battery pack 10 is a square box-shaped housing that contains a plurality of lithium ion batteries. On the upper surface of the pack main body 11, a mounting portion 12 to the rechargeable electric tool is formed. The mounting portion 12 includes positive and negative terminals (not shown) between a pair of rails 13 and 13 formed along the side in the longitudinal direction, and a pair of guides provided on the housing of the rechargeable electric tool. By sliding the rails 13 and 13 between the rails, the positive and negative terminals are electrically connected to the positive and negative terminal plates provided between the guide rails simultaneously with the mounting on the housing.

よって、バッグ部３内にも、充電式電動工具のハウジングと同じ形態でガイドレール及び端子板を備えた装着ユニット１４が設けられて、バッテリーパック１０がスライド装着されている。
１５は、装着ユニット１４の端子板と図示しないリード線によって電気的接続されるコントローラで、側面にバッテリーパック１０からの電源を出力可能な出力端子１６を備えると共に、図示しないスイッチが設けられて、スイッチの操作により、装着ユニット１４を介して接続されたバッテリーパック１０から出力端子１６への電源供給を任意にＯＮ／ＯＦＦ可能としている。 Therefore, the mounting unit 14 including the guide rail and the terminal plate is provided in the bag portion 3 in the same form as the housing of the rechargeable electric tool, and the battery pack 10 is slidably mounted.
15 is a controller that is electrically connected to the terminal plate of the mounting unit 14 by a lead wire (not shown), and has an output terminal 16 that can output the power from the battery pack 10 on the side surface, and a switch (not shown) is provided, The power supply from the battery pack 10 connected via the mounting unit 14 to the output terminal 16 can be arbitrarily turned ON / OFF by operating the switch.

また、バッグ部３内でバッテリーパック１０の上側には、ファスナによって開閉可能なポケット１７が設けられて、ここに予備のバッテリーパック１０が収容されている。
このように、バッグ部３内にはバッテリーパック１０等の電気関係の構成部が収容されることで、バッグ部３のファスナ４には、止水加工が施された防水ファスナが採用されている。 Further, a pocket 17 that can be opened and closed by a fastener is provided on the upper side of the battery pack 10 in the bag portion 3, and a spare battery pack 10 is accommodated therein.
Thus, the waterproof part which the water stop process was given to the fastener 4 of the bag part 3 is employ | adopted by accommodating the electrical-related structural parts, such as the battery pack 10, in the bag part 3. FIG. .

以上の如く構成された電源バック１は、肩ベルト５，５を左右の肩にそれぞれ掛けて背負うと共に、腰ベルト６を腰に回してバックルで固定すれば、図４に示すように作業者が背負うことができる。よって、出力端子１６に中継コード１８を介して充電式電動工具（ここでは剪定バサミ１９を例示している。）を接続してコントローラ１５のスイッチをＯＮすれば、バッテリーパック１０から電源を得て剪定バサミ１９による作業を行うことができる。なお、肩ベルト５，５の前面には、中継コード１８の通し部２０がそれぞれ設けられており、ここに中継コード１８を通すことで、中継コード１８を下方へ垂れさせずに保持することができ、中継コード１８が作業の邪魔にならないようになっている。   The power supply back 1 constructed as described above is supported by hanging the shoulder belts 5 and 5 on the left and right shoulders and turning the waist belt 6 around the waist and fixing it with a buckle as shown in FIG. I can carry it on my back. Therefore, if a rechargeable power tool (pruning shear 19 is illustrated here) is connected to the output terminal 16 via the relay cord 18 and the controller 15 is turned on, power is obtained from the battery pack 10. Work with the pruning shears 19 can be performed. In addition, through portions 20 of the relay cord 18 are provided on the front surfaces of the shoulder belts 5 and 5, respectively, and the relay cord 18 can be held without dropping downward by passing the relay cord 18 therethrough. The relay cord 18 does not get in the way of work.

また、図５に示すように、携帯時はクッション部９が作業者の背中に当接して弾性変形するので、バックプレート２が作業者の体にフィットしてずれ等が抑制されると共に、重量による負荷も緩和される。
さらに、クッション部９，９の間に形成された上下及び左右方向の隙間と、クッション部９の当接によってバックプレート２と背中との間に生じる隙間とにより、接触面積が小さくなって通気性が保たれるので、背中に熱がこもらずに蒸れも抑えられる。
そして、腰ベルト６を装着した状態では、図５に示すように、上下端のみが固定される腰ベルト６は作業者の腰に沿って湾曲するため、平面形状を維持するバックプレート２との間に隙間Ｓを生じさせる。よって、腰ベルト６の部分でもバックプレート２との間で通気性が得られる。特に、この態様によって腰ベルト６がバックプレート２の平面形状に束縛されず、作業者の体型に合わせて変形しやすくなるため、フィット感の向上にも繋がる。 Further, as shown in FIG. 5, when carrying, the cushion portion 9 abuts against the operator's back and is elastically deformed, so that the back plate 2 fits the operator's body and is prevented from shifting, and the weight. The load caused by
Further, the vertical and horizontal gaps formed between the cushion parts 9 and 9 and the gaps formed between the back plate 2 and the back due to the contact of the cushion parts 9 reduce the contact area and allow air permeability. Is kept so that heat does not accumulate on the back and stuffiness is suppressed.
In the state where the waist belt 6 is mounted, as shown in FIG. 5, the waist belt 6 to which only the upper and lower ends are fixed is curved along the operator's waist. A gap S is generated between them. Therefore, air permeability between the waist belt 6 and the back plate 2 can be obtained. In particular, the waist belt 6 is not constrained to the planar shape of the back plate 2 by this aspect and is easily deformed according to the body shape of the operator, which leads to an improvement in fit.

一方、ここでは腰ベルト６に剪定バサミ１９を収納するホルスタ２１が吊り下げられている。このホルスタ２１は、剪定バサミ１９を刃先を下にして差し込み収納可能な袋状で、上端の開口側に設けた吊り下げバンド２２に腰ベルト６を通すことで吊り下げ支持可能となっている。
また、このホルスタ２１は、開口が真上を向く鉛直姿勢ではなく、吊り下げバンド２２に対して開口が斜め後方を向く傾斜姿勢（好ましくは鉛直方向に対して２０度〜３０度の傾斜）で固定されている。これにより、剪定バサミ１９のような全体がストレート形状の充電式電動工具の抜き差しがしやすくなり、作業を中断する際の一時置き場所として好適に利用できる。 On the other hand, a holster 21 that houses the pruning shears 19 is suspended from the waist belt 6. The holster 21 has a bag shape in which the pruning scissors 19 can be inserted and stored with the blade edge down, and can be suspended by passing the waist belt 6 through a suspension band 22 provided on the opening side of the upper end.
Further, the holster 21 is not in a vertical posture in which the opening faces directly above, but in an inclined posture in which the opening faces obliquely rearward with respect to the hanging band 22 (preferably, an inclination of 20 degrees to 30 degrees with respect to the vertical direction). It is fixed. As a result, the entire pruning scissors 19 can be easily inserted / removed with a rechargeable electric tool having a straight shape, and can be suitably used as a temporary storage place when the operation is interrupted.

このように、上記形態の電源バッグ１によれば、左右一対の肩ベルト５，５を備えて内部に硬質プレートを有するバックプレート２の背面に、開閉可能なバッグ部３を設ける一方、バックプレート２の前面にクッション部９を設け、バッグ部３に、リチウムイオン電池を用いたバッテリーパック１０と、そのバッテリーパック１０が着脱可能に電気的接続される装着ユニット１４と、その装着ユニット１４と電気的接続され、バッテリーパック１０からの電源の出力端子１６及び出力端子１６からの電源供給をＯＮ／ＯＦＦ可能なスイッチを備えたコントローラ１５とを収容したことで、バックプレート２があっても携帯の際のフィット感が良好となり、バッテリーパック１０等の重量による作業者への負荷が軽減されて使用感に優れる。また、リチウムイオン電池を用いた既存のバッテリーパック１０を剪定バサミ１９のような充電式電動工具の携帯用電源として好適に利用できる。   Thus, according to the power supply bag 1 of the said form, while providing the bag part 3 which can be opened and closed on the back surface of the backplate 2 provided with a pair of left and right shoulder belts 5 and 5 and having a hard plate inside, the backplate 2 is provided with a cushion portion 9, a battery pack 10 using a lithium ion battery, a mounting unit 14 in which the battery pack 10 is detachably connected to the bag portion 3, and the mounting unit 14 And a controller 15 having a switch 15 capable of turning ON / OFF the power supply from the output terminal 16 and the power supply output terminal 16 from the battery pack 10 are accommodated. The feeling of fitting at the time becomes good, the load on the operator due to the weight of the battery pack 10 or the like is reduced, and the feeling of use is excellent. Moreover, the existing battery pack 10 using a lithium ion battery can be suitably used as a portable power source for a rechargeable electric tool such as the pruning shears 19.

特にここでは、クッション部９を、所定の間隔をおいて複数設けているので、バックプレート２と背中との間での通気性が確保される。
また、クッション部９を上下方向に配列しているので、背中に沿ってクッション部９が当接して使用感がより良好となる。
さらに、クッション部９を左右対称に配列したことで、クッション部９が左右にバランス良く当接して携帯した際の安定性が高まる。また、背骨を避けてクッション部９が当接する格好となるので、フィット感はより良好となる。 In particular, here, since a plurality of cushion portions 9 are provided at a predetermined interval, air permeability between the back plate 2 and the back is ensured.
Moreover, since the cushion part 9 is arranged in the up-and-down direction, the cushion part 9 contacts along the back and the feeling of use becomes better.
Furthermore, by arranging the cushion portions 9 symmetrically, the stability when the cushion portions 9 are brought into contact with the left and right in good balance is increased. Moreover, since it becomes the appearance which the cushion part 9 contact | abuts avoiding a spine, a feeling of fitting becomes more favorable.

一方、バックプレート２の前面下部に、左右方向の腰ベルト６を、その中央部の上下の端部のみをバックプレート２と連結させて設けているので、腰ベルト６の部分でもバックプレート２との間で通気性が得られると共に、フィット感の向上も期待できる。
また、肩ベルト５，５を、正面視で上側が左右外側へ膨らみ、下側が左右内側へ膨らむ左右鏡面対称のＳ字状に形成したことで、肩ベルト５が作業者の肩にフィットしてずれにくくなる。 On the other hand, since the waist belt 6 in the left-right direction is provided in the lower front portion of the back plate 2 and only the upper and lower ends of the center portion are connected to the back plate 2, the waist belt 6 is also connected to the back plate 2. As well as breathability can be obtained, an improved fit can be expected.
Further, the shoulder belts 5 and 5 are formed in an S-shape that is left and right mirror-symmetrical so that the upper side swells left and right and the lower side swells left and right in front view. It becomes difficult to slip.

なお、クッション部の数や配置は上記形態に限らず、数や列を上下左右で増やしたりして差し支えない。また、クッション部を全て同じ向きや形状とする必要はなく、例えば下側のクッション部を横向きとしたり、下方へ行くほど小さくしたりする変更も考えられる。
さらに、バッグ部の形態も、ファスナの配置の変更が可能であるのは勿論、ファスナに代えてボタンや紐等で開閉可能な蓋体を設けたりしてもよい。勿論バッグ部内でのバッテリーパック等の配置も適宜変更可能で、コントローラに装着ユニットを一体化したり、ポケットを省略したりすることも可能である。加えて、バッグ部内にバッテリーパックやコントローラの収容部ごとに仕切を設けたりしても差し支えない。さらにはコントローラをバッグ部に収容せず、バッグ部の外で腰ベルト等を利用して体の側方で別に携帯させたりすることも可能である。 The number and arrangement of the cushion portions are not limited to the above-described form, and the number and rows may be increased vertically and horizontally. Moreover, it is not necessary to make all the cushion parts have the same direction and shape. For example, a change in which the lower cushion part is turned sideways or made smaller as it goes downward can be considered.
Further, in the form of the bag portion, the arrangement of the fastener can be changed, and a lid body that can be opened and closed with a button, a string, or the like may be provided instead of the fastener. Of course, the arrangement of the battery pack or the like in the bag portion can be changed as appropriate, and the mounting unit can be integrated with the controller or the pocket can be omitted. In addition, a partition may be provided for each battery pack or controller housing in the bag. Furthermore, it is possible to carry the controller separately on the side of the body using a waist belt or the like outside the bag part without accommodating the controller in the bag part.

そして、肩ベルトや腰ベルトの形態も適宜変更できる。特に腰ベルトは、上記形態では中央部の上下端部をバックプレートと連結させているが、上下何れか一方の端部のみをバックプレートと連結させるようにしても、同様に良好な通気性とフィット感とが得られる。
また、ホルスタは作業者の左右何れに吊り下げ支持させてもよいし、左右両方に吊り下げ支持させてもよい。勿論省略することは可能である。
その他、充電式電動工具としては剪定バサミに限らず、生垣バリカンや草刈り機等の園芸用の工具の他、インパクトドライバやハンマードリル等の他の種類の工具であっても本発明の電源バッグは使用可能である。 And the form of a shoulder belt or a waist belt can also be changed suitably. In particular, the waist belt connects the upper and lower ends of the central portion to the back plate in the above-described form, but even if only one of the upper and lower ends is connected to the back plate, the air permeability is similarly good. A feeling of fitting is obtained.
Further, the holster may be suspended and supported on either the left or right side of the operator, or may be supported on both the left and right sides. Of course, it can be omitted.
In addition, the rechargeable power tool is not limited to the pruning shears, but the power bag of the present invention can be used for garden tools such as hedge clippers and mowers as well as other types of tools such as impact drivers and hammer drills. Is possible.

１・・携帯用電源バッグ、２・・バックプレート、３・・バッグ部、４・・ファスナ、５・・肩ベルト、６・・腰ベルト、９・・クッション部、１０・・バッテリーパック、１２・・装着部、１４・・装着ユニット、１５・・コントローラ、１６・・出力端子、１７・・ポケット、１８・・中継コード、１９・・剪定バサミ、２１・・ホルスタ。   1 .. Portable power supply bag 2. Back plate 3. Bag part 4 Fastener 5 Shoulder belt 6 Waist belt 9 Cushion part 10 Battery pack 12 ..Installation section, 14..Installation unit, 15..Controller, 16.Output terminal, 17..Pocket, 18..Relay cord, 19..Pruning shears, 21..Holster.

Claims (5)

布製の携帯用電源バッグであって、
左右一対の肩ベルトを備えて内部に芯材を有するバックプレートの背面に、開閉可能なバッグ部を設ける一方、前記バックプレートの前面にクッション部を設け、前記バッグ部に、リチウムイオン電池を用いた充電式電動工具用のバッテリーパックと、そのバッテリーパックが着脱可能に電気的接続される装着ユニットとを収容する一方、
前記バックプレートの前面下部に、左右方向の腰ベルトを、その中央部の少なくとも上下何れか一方の端部のみを前記バックプレートと連結させて設けて、前記腰ベルトを、装着状態で作業者の腰に沿って湾曲可能としたことを特徴とする携帯用電源バッグ。 A portable power bag made of cloth,
A bag part that can be opened and closed is provided on the back surface of a back plate having a pair of left and right shoulder belts and having a core inside, and a cushion part is provided on the front surface of the back plate, and a lithium ion battery is used for the bag part. While storing a battery pack for a rechargeable electric tool and a mounting unit to which the battery pack is detachably electrically connected ,
A waist belt in the left-right direction is provided at the lower front portion of the back plate, and at least one of the upper and lower ends of the central portion is connected to the back plate, and the waist belt is attached to the operator in the mounted state. A portable power bag characterized in that it can be bent along the waist . 前記クッション部を所定の間隔をおいて複数設けたことを特徴とする請求項１に記載の携帯用電源バッグ。   The portable power supply bag according to claim 1, wherein a plurality of the cushion portions are provided at a predetermined interval. 前記クッション部を上下方向に配列したことを特徴とする請求項２に記載の携帯用電源バッグ。   The portable power supply bag according to claim 2, wherein the cushion portions are arranged in a vertical direction. 前記クッション部を左右対称に配列したことを特徴とする請求項２又は３に記載の携帯用電源バッグ。   The portable power supply bag according to claim 2 or 3, wherein the cushion portions are arranged symmetrically. 前記肩ベルトを、正面視で上側が左右外側へ膨らみ、下側が左右内側へ膨らむ左右鏡面対称のＳ字状に形成したことを特徴とする請求項１乃至４の何れかに記載の携帯用電源バッグ。 The shoulder belt, inflate upper lateral outward as viewed from the front, portable power supply according to any one of claims 1 to 4, characterized in that the lower side is formed in an S-shaped lateral mirror symmetry bulge to the left and right inner bag.
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