JP2010119506A - Handle construction and dust collector - Google Patents

Handle construction and dust collector Download PDF

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Publication number
JP2010119506A
JP2010119506A JP2008294679A JP2008294679A JP2010119506A JP 2010119506 A JP2010119506 A JP 2010119506A JP 2008294679 A JP2008294679 A JP 2008294679A JP 2008294679 A JP2008294679 A JP 2008294679A JP 2010119506 A JP2010119506 A JP 2010119506A
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handle
protrusion
pin
recess
shaft support
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JP5307519B2 (en
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Hiroaki Ichikawa
博明 市川
Yoshinori Shibata
美徳 柴田
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Makita Corp
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Makita Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To favorably prevent a handle from coming off after attachment by a simple construction. <P>SOLUTION: Each of base ends 15 of the handle 14 on the top of a cowling 5 of a dust collector 1 is provided with a protrusion 17 which protrudes beyond a pin 16 toward the end as an extension. On the other hand, a regulating groove 20 which allows the entry of the protrusion 17 associated with the rotation of the handle 14 from the storage position to the use position and regulates the movement of the base ends 15 and 15 in the direction of their removal by engaging in the protrusion 17 in its use position is bored in the bottom of a concave 18. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、集塵機等に対して設けられるハンドル構造と、当該ハンドル構造を備えた集塵機とに関する。   The present invention relates to a handle structure provided for a dust collector and the like, and a dust collector provided with the handle structure.

例えば集塵機では、吸込口を備えたタンクの上方を、モータ駆動する吸込ファンによって吸気ユニットを形成した本体で閉塞してなり、本体の上面には運搬用のハンドルが設けられている。このハンドル構造としては、取付の容易性を考慮して、特許文献１，２に示すように、ハンドルの基端に突設したピンを、ハンドル取付側に設けた軸支孔に嵌入させて回転可能に取り付けた構造がよく知られている。
しかし、ピンと軸支孔との連結であると、ハンドルに振動や衝撃が加わったりした場合にハンドルが外れるおそれが生じる。そこで、取付後のハンドルを外れにくくするために、特許文献１では、ハンドルの基端に段違いの逃げ凹部と保持面を、ハンドル取付側に規制突部を設けて、ピンの軸支孔への嵌入を逃げ凹部によって可能とすると共に、ハンドル取付後は、規制突部が保持面と係合してハンドル基端の拡がりを規制してハンドルの外れを防止する発明が記載されている。また、特許文献２では、ピンと軸支孔との形状の工夫によってピンを軸支孔から外れにくくしている。 For example, in a dust collector, the upper part of a tank provided with a suction port is closed with a main body in which an intake unit is formed by a suction fan driven by a motor, and a handle for transportation is provided on the upper surface of the main body. In consideration of ease of mounting, this handle structure is rotated by inserting a pin protruding from the base end of the handle into a shaft support hole provided on the handle mounting side as shown in Patent Documents 1 and 2. The possible mounting structure is well known.
However, the connection between the pin and the shaft support hole may cause the handle to come off when vibration or impact is applied to the handle. Therefore, in order to make it difficult to remove the handle after mounting, in Patent Document 1, a relief recess and a holding surface with different steps are provided at the base end of the handle, and a restricting projection is provided on the handle mounting side, so that An invention is described in which the insertion is made possible by the escape recess, and after the handle is attached, the restricting protrusion engages the holding surface to restrict the expansion of the handle base end to prevent the handle from coming off. Moreover, in patent document 2, the pin is made hard to remove | deviate from a shaft support hole by the device of the shape of a pin and a shaft support hole.

実公昭５６−２７８９２号公報Japanese Utility Model Publication No. 56-27892 実公昭５６−８６１４号公報Japanese Utility Model Publication No. 56-8614

しかし、前者の発明は、ハンドルやハンドル取付側に段違いの逃げ凹部や規制突部等を形成する必要があるため、金型の形状が複雑となってコストアップに繋がる上、ハンドルの外れ防止を小さな規制突部に依存することで、経年使用によって摩耗したり、大きな負荷によって破損したりするおそれがある。これは後者の場合でも同様で、ピンと軸支孔との摺接による摩耗で本来の外れ防止機能が低下してしまう。   However, in the former invention, it is necessary to form uneven relief recesses and regulating protrusions on the handle or handle mounting side, which leads to a complicated mold shape and increases costs, and prevents the handle from coming off. By relying on small regulating protrusions, there is a risk of wear due to aging and damage due to a large load. This also applies to the latter case, and the original detachment prevention function is degraded due to wear caused by sliding contact between the pin and the shaft support hole.

そこで、本発明は、簡単な構造で、取付の容易性を損なうことなく取付後のハンドルの外れが好適に防止でき、信頼性の高いハンドル構造及び集塵機を提供することを目的としたものである。   Therefore, the present invention has an object to provide a highly reliable handle structure and dust collector that can prevent the disengagement of the handle after installation with a simple structure without impairing the ease of installation. .

上記目的を達成するために、請求項１に記載の発明は、ハンドルに設けた一対の基端に、基端間を結ぶ直線上でピン又は軸支孔の何れか一方を形成し、ハンドルの取付側に、ハンドルが倒伏姿勢で没入する凹部を形成すると共に、凹部にピン又は軸支孔の他方を形成して、ピンを軸支孔に挿入させることで、ハンドルを、凹部に没入する収納位置と、凹部から起立する使用位置とに夫々に回転可能に連結したハンドル構造であって、ハンドルの各基端に、ピン又は軸支孔を越えて先端側へ突出する突部を設ける一方、凹部の底面に、ハンドルの収納位置から使用位置への回転に伴う突部の進入を許容し、使用位置で突部と係合して基端の外れ方向への移動を規制する規制溝を凹設したことを特徴とする。
上記目的を達成するために、請求項２に記載の発明は、吸込口を備えたタンクの上方に、吸気ユニットを備えた本体を載置し、本体の上面にハンドルを設けた集塵機であって、ハンドルとその取付側となる本体のハウジングとの間に請求項１に記載のハンドル構造を採用したことを特徴とする。 In order to achieve the above object, according to the first aspect of the present invention, a pin or a shaft support hole is formed on a straight line connecting the base ends at a pair of base ends provided on the handle, On the mounting side, a recess is formed in which the handle is immersed in a lying posture, and the other of the pin or the shaft support hole is formed in the recess, and the pin is inserted into the shaft support hole so that the handle is immersed in the recess. The handle structure is rotatably connected to the position and the use position standing up from the recess, and each base end of the handle is provided with a protrusion that protrudes to the tip side beyond the pin or the shaft support hole, The bottom surface of the recess is recessed with a restricting groove that allows the protrusion to enter as the handle is rotated from the storage position to the use position and engages with the protrusion at the use position to restrict the movement of the base end in the disengagement direction. It was set up.
In order to achieve the above object, the invention described in claim 2 is a dust collector in which a main body having an intake unit is placed above a tank having a suction port, and a handle is provided on the upper surface of the main body. The handle structure according to claim 1 is employed between the handle and the housing of the main body on the attachment side.

本発明によれば、ハンドルに突部を、凹部に規制溝を夫々設ける簡単な構造で、取付の容易性を損なうことなく取付後のハンドルの外れが好適に防止でき、信頼性の高いハンドルが得られる。
According to the present invention, with a simple structure in which a protrusion is provided on the handle and a restriction groove is provided in the recess, it is possible to suitably prevent the handle from coming off after the attachment without impairing the ease of attachment, and a highly reliable handle is provided. can get.

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は、集塵機の一例を示す縦断面図、図２は平面図で、集塵機１は、上面を開口して側面に吸込口３を突設したタンク２の上方に、ハウジングとなるカウリング５内に吸気ユニット６を収容した本体４を載置してなる。吸気ユニット６は、タンク２の開口を閉塞して本体４を支持するタンクカバー７によって、タンク２の中央上方から吊り下げ支持されており、内部に、モータ８と、そのモータ８の駆動で回転する吸込ファン９とを内蔵している。また、タンクカバー７には、吸込ファン９の真下で吸気ユニット６の下面に開口する吸気口１０，１０・・が形成されている。１１はタンクカバー７とタンク２の開口との間に挟持され、吸込口３と吸気ユニット６との間を遮断する袋形状で布製のフィルタ、１２，１２・・はタンク２の底面に設けられたキャスタである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a longitudinal sectional view showing an example of a dust collector, FIG. 2 is a plan view, and the dust collector 1 is disposed in a cowling 5 serving as a housing above a tank 2 having an upper surface opened and a suction port 3 protruding from a side surface. The main body 4 containing the intake unit 6 is placed on the main body 4. The intake unit 6 is supported by being suspended from the upper center of the tank 2 by a tank cover 7 that closes the opening of the tank 2 and supports the main body 4, and rotates inside by a motor 8 and driving of the motor 8. A suction fan 9 is built in. Further, the tank cover 7 is formed with intake ports 10, 10... That open to the lower surface of the intake unit 6 directly below the suction fan 9. 11 is sandwiched between the tank cover 7 and the opening of the tank 2, and is a bag-shaped cloth filter for blocking between the suction port 3 and the intake unit 6, and 12, 12... Are provided on the bottom surface of the tank 2. It is a caster.

カウリング５は、上面が平坦な箱状を有しており、側面には、ダイヤル式の運転スイッチ１３や電動工具の電源コードを接続するキャップ付きの連動コンセント等が設けられている。
また、カウリング５の上面中央には、コ字状のハンドル１４が設けられている。このハンドル１４は、合成樹脂製で、両基端１５，１５の対向面には、図３にも示すように、基端１５，１５間を結ぶ直線上でピン１６が夫々突設されている。さらに、各基端１５には、ピン１６の位置を越えて先端側へ延長状に突出する突部１７が夫々形成されている。 The cowling 5 has a box shape with a flat upper surface, and a dial-type operation switch 13 and an interlocking outlet with a cap for connecting a power cord of the electric tool are provided on the side surface.
A U-shaped handle 14 is provided at the center of the upper surface of the cowling 5. The handle 14 is made of a synthetic resin, and pins 16 project from the opposing surfaces of the base ends 15 and 15 on straight lines connecting the base ends 15 and 15 as shown in FIG. . Furthermore, each base end 15 is formed with a protrusion 17 that extends beyond the position of the pin 16 and protrudes toward the distal end side.

一方、ハンドル１４の取付側となるカウリング５の上面には、ハンドル１４の形状に合わせて凹部１８が凹設されており、凹部１８におけるカウリング５中央側の端部内面には、軸支孔１９，１９が夫々形成されている。よって、ハンドル１４のピン１６，１６を軸支孔１９，１９に夫々嵌入させることで、ハンドル１４は、凹部１８内に全体が倒伏姿勢で没入してカウリング５の上面から突出しない収納位置（図１の実線位置）と、カウリング５の上面中央で起立して上方へ突出する使用位置（図１の点線位置及び図２，３）との間で回転可能に連結される。   On the other hand, a concave portion 18 is formed on the upper surface of the cowling 5 on the mounting side of the handle 14 in accordance with the shape of the handle 14. A shaft support hole 19 is provided on the inner surface of the end portion of the concave portion 18 on the center side of the cowling 5. , 19 are formed. Therefore, by inserting the pins 16 and 16 of the handle 14 into the shaft support holes 19 and 19 respectively, the handle 14 is fully retracted into the recessed portion 18 in a lying posture and does not protrude from the upper surface of the cowling 5 (see FIG. 1 and a use position (dotted line position in FIG. 1 and FIGS. 2 and 3) that stands up at the center of the upper surface of the cowling 5 and protrudes upward.

ここで、凹部１８の外幅は、ハンドル１４の基端１５，１５間の外幅よりも大きく形成されて、ピン１６を軸支孔１９へ嵌入させる際に両基端１５，１５を外側へ拡げた状態としてもハンドル１４がそのまま凹部１８へ挿入可能となっている。また、凹部１８の底面において、軸支孔１９の下方部分には、図３，４に示すように、ハンドル１４の突部１７の幅に合わせた幅を有して凹部１８の形成方向で円弧状に凹む規制溝２０が凹設されている。この規制溝２０は、ハンドル１４を収納位置から使用位置へ回転させた際に同時に回転する突部１７の進入を許容することでハンドル１４の回転を阻害せず、ハンドル１４の使用位置では、進入して停止した突部１７と係合して基端１５，１５の外れ方向への移動を規制するものである。   Here, the outer width of the recess 18 is formed to be larger than the outer width between the base ends 15 and 15 of the handle 14, and both base ends 15 and 15 are moved outward when the pin 16 is fitted into the shaft support hole 19. Even in the expanded state, the handle 14 can be inserted into the recess 18 as it is. Further, at the bottom surface of the recess 18, the lower portion of the shaft support hole 19 has a width corresponding to the width of the protrusion 17 of the handle 14 and has a circular shape in the direction in which the recess 18 is formed, as shown in FIGS. A restriction groove 20 that is recessed in an arc shape is provided. The restriction groove 20 does not hinder the rotation of the handle 14 by allowing the protrusion 17 to rotate at the same time when the handle 14 is rotated from the storage position to the use position. Thus, the movement of the base ends 15 and 15 in the disengagement direction is restricted by engaging with the protrusion 17 stopped.

以上の如く構成された集塵機１においては、ハンドル１４を取り付ける際は、両基端１５，１５を拡げるようにして凹部１８へ収容し、ピン１６，１６を軸支孔１９，１９へ嵌入させることになるが、前述のように凹部１８の外幅が大きく形成されているので、各ピン１６を軸支孔１９へ容易に嵌入させることができる。
こうしてハンドル１４を連結した後、ハンドル１４を使用位置へ起立させると、図３及び図４に点線で示すように、ハンドル１４の回転に伴ってピン１６を中心に下方へ回転する突部１７が凹部１８内の規制溝２０に進入し、使用位置では突部１７が規制溝２０内で係止して規制溝２０と係合する。よって、基端１５，１５の拡がり方向への移動が規制され、大きな負荷が加わってもハンドル１４が外れるおそれが少なくなる。 In the dust collector 1 configured as described above, when the handle 14 is attached, the base ends 15 and 15 are accommodated in the recess 18 so as to be expanded, and the pins 16 and 16 are fitted into the shaft support holes 19 and 19. However, since the outer width of the recess 18 is formed large as described above, each pin 16 can be easily fitted into the shaft support hole 19.
After the handle 14 is connected in this way, when the handle 14 is raised to the use position, as shown by a dotted line in FIGS. 3 and 4, a protrusion 17 that rotates downward about the pin 16 as the handle 14 rotates is formed. It enters the restriction groove 20 in the recess 18, and the projection 17 is locked in the restriction groove 20 and engaged with the restriction groove 20 at the use position. Therefore, the movement of the base ends 15 and 15 in the expanding direction is restricted, and the possibility that the handle 14 is detached even when a large load is applied is reduced.

このように、上記形態のハンドル構造及び集塵機１によれば、ハンドル１４の各基端１５に、ピン１６を越えて先端側へ突出する突部１７を設ける一方、凹部１８の底面に、ハンドル１４の収納位置から使用位置への回転に伴う突部１７の進入を許容し、使用位置で突部１７と係合して基端１５，１５の外れ方向への移動を規制する規制溝２０を凹設したことで、取付の容易性を損なうことなく取付後のハンドル１４の外れが好適に防止でき、信頼性の高いハンドル１４が得られる。   As described above, according to the handle structure and the dust collector 1 of the above-described form, each base end 15 of the handle 14 is provided with the protrusion 17 that protrudes beyond the pin 16 to the front end side, while the bottom surface of the recess 18 has the handle 14. The protrusion 17 is allowed to enter from the storage position to the use position, and the restriction groove 20 that engages with the protrusion 17 at the use position and restricts the movement of the base ends 15 and 15 in the disengagement direction is recessed. By providing, it is possible to suitably prevent the handle 14 from being detached after the attachment without impairing the ease of attachment, and a highly reliable handle 14 can be obtained.

なお、ハンドルの基端に設ける突部は、上記形態では基端と略同じ断面形状となっているが、突部のみサイズを小さくしたり、板状やピン状に断面形状を変えたりする等、適宜設計変更可能である。但し、突部の変更に合わせて突部と係合する規制溝も幅を狭くする等の変更は必要となる。
また、上記形態では、ピンをハンドルの基端の対向面に夫々設けているが、互いに逆向きとなる外面に夫々突設して、凹部の外側内面に設けた軸支孔に嵌入させるようにしてもよい。この場合、ハンドルの基端は取付時に間隔が縮められるため、凹部は内側に広く形成されることになる。
さらに、上記形態と逆に、ピンを凹部側に設け、軸支孔をハンドル側に設けることも可能である。 The protrusion provided at the base end of the handle has substantially the same cross-sectional shape as the base end in the above form, but the size of only the protrusion is reduced, the cross-sectional shape is changed to a plate shape or a pin shape, etc. The design can be changed as appropriate. However, it is necessary to make a change such as narrowing the width of the restriction groove engaged with the protrusion in accordance with the change of the protrusion.
Further, in the above embodiment, the pins are respectively provided on the opposing surfaces of the base end of the handle, but are projected on the outer surfaces opposite to each other so as to be fitted into the shaft support holes provided on the outer inner surface of the recess. May be. In this case, since the interval between the proximal ends of the handles is reduced when the handle is attached, the recesses are widely formed inside.
Further, conversely to the above embodiment, it is possible to provide the pin on the concave side and provide the shaft support hole on the handle side.

一方、ハンドルの形態は、コ字状に限らず、半円状やＵ字状等、適宜変更であるし、取付位置も本体の上面中央に限定されない。
そして、本発明のハンドル構造は、集塵機に限らず、例えば電動工具の収納箱や工具箱等、ハンドルを収納位置と使用位置とに回転操作するものであれば、他の分野の機械器具にも適用可能である。 On the other hand, the form of the handle is not limited to a U-shape, and can be changed as appropriate, such as a semicircular shape or a U-shape.
The handle structure of the present invention is not limited to a dust collector, but can be applied to machinery and equipment in other fields as long as the handle is rotated between a storage position and a use position, such as a storage box or a tool box for electric tools. Applicable.

集塵機の縦断面図である。It is a longitudinal cross-sectional view of a dust collector. 集塵機の平面図である。It is a top view of a dust collector. 本体部分の縦断面図である（ハンドルは使用位置）。It is a longitudinal cross-sectional view of a main-body part (a handle is a use position). 図３と交差方向となる本体部分の縦断面図である。It is a longitudinal cross-sectional view of the main-body part which cross | intersects FIG.

符号の説明Explanation of symbols

１・・集塵機、２・・タンク、４・・本体、５・・カウリング、６・・吸気ユニット、８・・モータ、９・・吸込ファン、１４・・ハンドル、１５・・基端、１６・・ピン、１７・・突部、１８・・凹部、１９・・軸支孔、２０・・規制溝。   1 ... Dust collector 2 ... Tank 4 ... Main body 5 ... Cowling 6 ... Intake unit 8 ... Motor 9 ... Suction fan 14 ... Handle 15 ... Base end 16 ... · Pins, ··· Projections, ··· Recesses, ··· 19 ·· Shaft support holes, ··· Restriction grooves.

Claims (2)

ハンドルに設けた一対の基端に、前記基端間を結ぶ直線上でピン又は軸支孔の何れか一方を形成し、前記ハンドルの取付側に、前記ハンドルが倒伏姿勢で没入する凹部を形成すると共に、前記凹部に前記ピン又は軸支孔の他方を形成して、前記ピンを前記軸支孔に挿入させることで、前記ハンドルを、前記凹部に没入する収納位置と、前記凹部から起立する使用位置とに夫々に回転可能に連結したハンドル構造であって、
前記ハンドルの各基端に、前記ピン又は軸支孔を越えて先端側へ突出する突部を設ける一方、前記凹部の底面に、前記ハンドルの収納位置から使用位置への回転に伴う前記突部の進入を許容し、前記使用位置で前記突部と係合して前記基端の外れ方向への移動を規制する規制溝を凹設したことを特徴とするハンドル構造。 A pin or a shaft support hole is formed on a straight line connecting the base ends at a pair of base ends provided on the handle, and a concave portion is formed on the handle mounting side so that the handle is immersed in a lying posture. In addition, the other of the pin or the shaft support hole is formed in the recess, and the pin is inserted into the shaft support hole, whereby the handle is stood up from the recess and the storage position to be immersed in the recess. It is a handle structure that is rotatably connected to each use position,
Each base end of the handle is provided with a protrusion that protrudes to the tip side beyond the pin or shaft support hole, and the protrusion on the bottom surface of the recess is accompanied by the rotation of the handle from the storage position to the use position. A handle structure characterized in that a restricting groove is provided to allow the intrusion of the base end and engage with the protrusion at the use position to restrict the movement of the base end in the disengagement direction. 吸込口を備えたタンクの上方に、吸気ユニットを備えた本体を載置し、前記本体の上面にハンドルを設けた集塵機であって、
前記ハンドルとその取付側となる前記本体のハウジングとの間に請求項１に記載のハンドル構造を採用したことを特徴とする集塵機。 A dust collector in which a main body including an intake unit is placed above a tank including a suction port, and a handle is provided on the upper surface of the main body,
2. A dust collector, wherein the handle structure according to claim 1 is employed between the handle and the housing of the main body on the attachment side.
JP2008294679A 2008-11-18 2008-11-18 Dust collector Active JP5307519B2 (en)

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