JP6712702B1 - Shoulder belt attachment device - Google Patents

Shoulder belt attachment device Download PDF

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JP6712702B1
JP6712702B1 JP2019118032A JP2019118032A JP6712702B1 JP 6712702 B1 JP6712702 B1 JP 6712702B1 JP 2019118032 A JP2019118032 A JP 2019118032A JP 2019118032 A JP2019118032 A JP 2019118032A JP 6712702 B1 JP6712702 B1 JP 6712702B1
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cam
shoulder belt
buckle
school bag
carrying
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JP2021003263A (en
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池田　靖彦
靖彦 池田
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池田　靖彦
靖彦 池田
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Abstract

【課題】本発明はランドセルを背負ったりする場合は肩ベルトを上方に向けて立てた状態を保持し背負いやすく、ランドセルを運んだり収納する場合は下方に向いた状態を保持しランドセルがコンパクトになるように肩ベルトが作動し、従来に比べ背負い心地と収納性の両立が望まれている。【解決手段】ランドセルに取り付けられたバックルを備え、上記バックルには肩ベルトを装着するための肩ベルト装着部が設けられ。上記肩ベルト装着部には回動可能な第一のカムと第一のカムと互いに押し合うような弾性力が働くように構成された第二のカムを備え上記第一のカムには、肩ベルトの回動を第一のカムに伝えるための受け部が設けられている構成にした。【選択図】 図３PROBLEM TO BE SOLVED: To make a school bag compact by holding a shoulder belt in an upright state when carrying a school bag and easily carrying the school bag, and in a case of carrying or storing the school bag in a state in which the school bag faces downward. The shoulder belt operates like this, and it is desired to have both a comfortable backpack and a storable property as compared with the conventional one. A buckle attached to a school bag is provided, and a shoulder belt attaching portion for attaching a shoulder belt is provided on the buckle. The shoulder belt mounting portion is provided with a rotatable first cam and a second cam configured to exert an elastic force that presses the first cam against each other. The receiving portion for transmitting the rotation of the belt to the first cam is provided. [Selection diagram]

Description

本発明は、ランドセル等の肩ベルト取り付け装置に関するものである。 The present invention relates to a shoulder belt attaching device such as a school bag.

従来のランドセルの肩ベルトはランドセル本体にさまざまな形態で取り付けられている。特許文献１の図１０において肩ベルトは金属製の三角形の環状体に取り付けられ自由に回動可能となっているとともに背負いやすさの観点から肩ベルトはランドセル本体に対して垂直上方に向けて固定できるようになっている。しかしながらこの構造は背負いやすい半面、学校のロッカーなどに収納する場合に肩ベルトが垂直に立っているためランドセルの背中側に密着させて折りたためないために収納が困難で、それを繰り返すことで肩ベルトが破損してしまう問題も発生している。 The shoulder belt of a conventional school bag is attached to the main body of the school bag in various forms. In FIG. 10 of Patent Document 1, the shoulder belt is attached to a metallic triangular annular body and is freely rotatable, and from the viewpoint of ease of carrying on the back, the shoulder belt is fixed vertically upward with respect to the satchel body. You can do it. However, this structure is easy to carry, but when it is stored in a school locker, etc., the shoulder belt stands vertically, so it is difficult to store because it does not fold it tightly on the back side of the school bag. There is also a problem of being damaged.

特許第３７６３１２９号公報Patent No. 3763129

本発明はランドセルを背負う場合は肩ベルトを上方に向けて立てた状態を保持し背負いやすく、ランドセルを運んだり収納する場合は下方に向いた状態を保持しランドセルがコンパクトになるように肩ベルトが上下作動し、従来に比べ背負い心地と収納性の両立が図れるランドセルの肩ベルト取り付け装置を提供するものである The present invention keeps the shoulder belt in an upright position when carrying the backpack on the back, making it easy to carry, and when carrying or storing the backpack, keeps the shoulder belt facing downward so that the backpack is compact. The present invention provides a shoulder belt attachment device for a satchel that operates up and down and achieves both back comfort and storability in comparison with conventional products.

ランドセルに取り付けられたバックルを備え、上記バックルには肩ベルトを装着するための肩ベルト装着部が有り,
上記肩ベルト装着部には回動可能な第一のカムと上記第一のカムと互いに押し合うような弾性力が働くように構成された第二のカムを備え上記第一のカムには、肩ベルトの回動を第一のカムに伝えるための受け部が設けられている構成にした。 With a buckle attached to the school bag, the buckle has a shoulder belt attachment part for attaching a shoulder belt,
The shoulder belt mounting portion is provided with a rotatable first cam and a second cam configured to exert an elastic force that presses the first cam against each other. The receiving portion for transmitting the rotation of the shoulder belt to the first cam is provided.

本発明によりランドセルを背負うときには背負いやすいようにランドセルに対して肩ベルトを上方に立てた状態で使用し、それ以外にランドセルのハンドルを持て移動したり、ランドセルを収納するときは、ランドセルに対して肩ベルトは下方に向かせて背板面に沿うようにコンパクトに収まり肩ベルトは邪魔にならないようにすることができるようになった。 According to the present invention, when carrying a school bag on the back, it is used with the shoulder belt standing upright against the school bag so that it can be carried easily. The shoulder belts can be oriented downwards and fit compactly along the back plate so that the shoulder belts can be kept out of the way.

肩ベルト取り付け装置全体平面図Shoulder belt attachment device overall plan view バックル部組み付け部品図Buckle part assembly diagram バックル斜視図（裏面）Buckle perspective view (back side) バックル平面図（表面）Buckle plan view (front) バックル部カム大90°回動斜視図Buckle part cam large 90° rotation perspective view カム大小斜視図Cam large and small perspective view 巻きバネを使用したバックル平面図Buckle plan view using a coil spring

以下本発明の実施形態について説明する。肩ベルト取り付け具１００には図１の様に肩ベルトを取り付けるバックル１０が左右に対称的に設置されている。以下バックル１０に肩ベルト１０１を取りつけるベルト装着部について説明する。バックル１０のベルト装着部の構造にについて図２に示す。バックル１０には左右に腕１３を設け先端部には平行に相対する板状体１２が形成されている。板状体１２には軸４０が貫通するように長穴１１が設けてある。相対する板状体１２の間には中央にカム２０が設けられ、カム２０の両側にカム３０ａ及びカム３０ｂが取り付けられ、カム２０の穴２３とカム３０ａの穴３１ａと３０ｂの穴３１ｂ長穴１１を軸４０が貫通しバックル１０に取り付けられている。また軸４０の中央の溝４１にカム２０のスリット２２を通してＥリング５０が取り付けられることで軸４０がバックル１０より離脱することを防いでいる。上記の状態を詳しく表したものが図３図４である。 Embodiments of the present invention will be described below. As shown in FIG. 1, a buckle 10 for attaching a shoulder belt is symmetrically installed on the shoulder belt attachment 100 in the left and right directions. The belt mounting portion for attaching the shoulder belt 101 to the buckle 10 will be described below. The structure of the belt mounting portion of the buckle 10 is shown in FIG. Arms 13 are provided on the left and right sides of the buckle 10, and plate-like bodies 12 facing each other in parallel are formed at the tip end portions. The plate-like body 12 is provided with an elongated hole 11 so that the shaft 40 penetrates. A cam 20 is provided in the center between opposing plate-like bodies 12, and a cam 30a and a cam 30b are attached to both sides of the cam 20. A hole 23 of the cam 20 and a hole 31a of the cam 30a and a hole 31b of the cam 30b are elongated holes. A shaft 40 penetrates 11 and is attached to the buckle 10. Further, the E ring 50 is attached to the groove 41 at the center of the shaft 40 through the slit 22 of the cam 20 to prevent the shaft 40 from coming off the buckle 10. 3 and 4 show the above state in detail.

カム２０には受け部２１が設置されており肩ベルト１０１を取り付けた際に上記受け部２１が肩ベルト１０１の間に挟まれた状態になり、肩ベルト１０１を上下方向に回動させようとする力は受け部２１に伝わりカム２０が連動して回動するように構成されている。ここでカム２０とカム３０の構造について説明する。カム２０には左右に対称のカム面が設置してあり、上記カム２０には低い部分の凹部２４が２箇所と高い部分凸部２５が二箇所設けられ、またそれぞれをつなぐ斜面部２６が形成されている。また相対するカム３０ａ、カム３０ｂにはカム２０の上記カムのカム面と勘合するように、低い部分の凹部３３ａ、凹部３３ｂ高い部分の凸部３４ａ、凸部３４ｂ、斜面部３５ａ、斜面部３５ｂが形成されており図３の状態ではカム２０とカム３０ａ、カム３０ｂの斜面部２６と斜面部３５ａ、斜面部３５ｂは接している。またカム３０ａのカム面と反対側には突起部３２ａが設置されており長穴１２に勘合することでカム３０ａは軸４０に対して回動しない構造である。尚カム３０ｂのカム面の反対側も上記と同じ構造で有る。 The cam 20 is provided with a receiving portion 21, and when the shoulder belt 101 is attached, the receiving portion 21 is sandwiched between the shoulder belts 101, and the shoulder belt 101 is rotated in the vertical direction. The acting force is transmitted to the receiving portion 21, and the cam 20 is configured to rotate in conjunction therewith. Here, the structures of the cam 20 and the cam 30 will be described. The cam 20 is provided with symmetrical cam surfaces on the left and right. The cam 20 is provided with two concave portions 24 at a low portion and two convex portions 25 at a high portion, and a slope portion 26 connecting each of them. Has been done. Further, in the opposing cams 30a and 30b, the concave portion 33a of the lower portion, the concave portion 33b, the convex portion 34a of the higher portion, the convex portion 34b, the slope portion 35a, and the slope portion 35b are fitted so as to fit with the cam surface of the cam of the cam 20. In the state shown in FIG. 3, the cam 20 is in contact with the cam 30a, and the slope portion 26 of the cam 30b is in contact with the slope portion 35a and the slope portion 35b. Further, a protrusion 32a is provided on the opposite side of the cam 30a from the cam surface, so that the cam 30a does not rotate with respect to the shaft 40 when fitted into the elongated hole 12. The opposite side of the cam surface of the cam 30b has the same structure as above.

肩ベルト１０１の上下回動について図３と図５で説明する。図３は安定した状態で、肩ベルト１０１は背負い易いようにランドセルに対して上方向に立っている状態である。次に肩ベルト１０１を折りたたむために下方向に回動させようとするとカム２０の受け部２１に力が伝わることでカム２０が回動を始める。その時カム３０ａの突起部３２ａが長穴１１に勘合して回動しないために凸部２５は斜面部３５ａに接触しながら凸部３４ａと接する。この時凸部３４ａと凹部３３ａの高低差の寸法分カム３０ａは外側に広がる動きをする。またカム３０ｂも上記同様の構成で有る。バックル１０は弾性を有した素材を使用しているため、左右に広がったカム３０ａ、カム３０ｂには板状体１２を外側に広げる力が発生し、その力が左右の腕１３を外側にたわませることになる。この状態が図５である。更にカム２０を回動させると再び図３の様に双方のカムが勘合することになる。
肩ベルト１０１の上下の動きに対する節度感の調整は、カム２０、カム３０ａ、カム３０ｂの凸と凹の寸法差を大きく取れば強くなり、バックル１０の素材の弾性力を高くすれば強くなる。またカムの斜面部２６及び斜面部３５ａ、斜面部３５ｂの角度をきつくすれば、回動角度に対して強くなり、反対に上記角度を緩くすれば弱くなる。
またそれぞれのカムの凸凹数を増やすことで多段階の節度感を有することも可能となる。 The vertical rotation of the shoulder belt 101 will be described with reference to FIGS. 3 and 5. FIG. 3 shows a stable state in which the shoulder belt 101 is standing upward with respect to the school bag so that it can be easily carried on the back. Next, when the shoulder belt 101 is to be rotated downward in order to be folded, the force is transmitted to the receiving portion 21 of the cam 20, so that the cam 20 starts to rotate. At that time, since the protrusion 32a of the cam 30a fits into the elongated hole 11 and does not rotate, the protrusion 25 contacts the protrusion 34a while contacting the sloped portion 35a. At this time, the cam 30a moves outward due to the height difference between the convex portion 34a and the concave portion 33a. The cam 30b also has the same configuration as described above. Since the buckle 10 is made of an elastic material, a force that spreads the plate-shaped body 12 outward is generated in the cams 30a and 30b that spread to the left and right, and the force causes the left and right arms 13 to move outward. I will let you know. This state is shown in FIG. When the cam 20 is further rotated, both cams are fitted again as shown in FIG.
The adjustment of the degree of moderation with respect to the vertical movement of the shoulder belt 101 is strengthened by increasing the dimensional difference between the convex and concave portions of the cam 20, the cam 30a, and the cam 30b, and is enhanced by increasing the elastic force of the material of the buckle 10. Further, if the angles of the slope 26, the slope 35a, and the slope 35b of the cam are made tight, the angle becomes strong with respect to the rotation angle, and conversely, if the angle is made loose, the angle becomes weak.
It is also possible to have a multi-step detent feeling by increasing the number of irregularities of each cam.

また上記の実施形態とは異なる実施形態を図７にて説明する。前記の実施形態では肩ベルトを回動させた時の力を回動軸の軸方向に広がる力に変換しその発生した反力によって回動の節度感を発生させている。上記は軸方向の力をバックル１０の腕１３の弾性力を利用して実現させたが、図７では左右のカム８０ａ、カム８０ｂの間に設置した巻きバネ９０が圧縮される反力を利用した例である。上記構造との違いは図２のカム２０の代わりに二つのカム８０ａとカム８０ｂがカム８０ａ、カム８０ｂの回動によってカム８０ａ、カム８０ｂが軸６０の軸方向の中心内側に移動するように構成させた。バックル１０は弾性を有しない素材とし軸６０は長穴１１を貫通しそれぞれ貫通した外側にてＥリング７０を取り付けることで軸６０はバックル１０から脱落しない。この構成の場合、肩ベルト１０１の回動の節度感の強さは巻きバネ９０の強度にて行うことが可能である。 An embodiment different from the above embodiment will be described with reference to FIG. In the above-described embodiment, the force generated when the shoulder belt is rotated is converted into a force that spreads in the axial direction of the rotation shaft, and the generated reaction force produces a moderation of rotation. The above is realized by utilizing the elastic force of the arm 13 of the buckle 10 in the axial direction, but in FIG. 7, the reaction force of compressing the coil spring 90 installed between the left and right cams 80a and 80b is used. It is an example. The difference from the above structure is that instead of the cam 20 of FIG. 2, two cams 80a and 80b are moved to the inside of the axial center of the shaft 60 by rotating the cams 80a and 80b. Made me composed. The buckle 10 is made of a material having no elasticity, and the shaft 60 penetrates the elongated hole 11 and the E-rings 70 are attached on the outer sides of the holes, so that the shaft 60 does not fall off from the buckle 10. In the case of this configuration, the degree of moderation of the rotation of the shoulder belt 101 can be controlled by the strength of the winding spring 90.

１０・バックル、１１・長穴、１２・板状体、１３・腕、２０・カム、２１・受け部、２２・スリット、２３・穴、２４・凹部、２５・凸部、２６・斜面部、３０a・カム、３１a・穴、３２a・突起部、３３a・凹部、３４a・凸部、３５a・斜面部、３０b・カム、３１b・穴、３２b・突起部、３３b・凹部、３４b・凸部、３５b・斜面部,４０・軸、４１・溝、５０・Ｅリング、６０・軸、７０・Ｅリンング、８０ａ・カム、８０ｂ・カム、９０・巻きバネ、１００・肩ベルト取り付け具、１０１・肩ベルト 10-buckle, 11-oblong hole, 12-plate body, 13-arm, 20-cam, 21-receiving part, 22-slit, 23-hole, 24-recessed part, 25-convex part, 26-slope part, 30a/cam, 31a/hole, 32a/projection, 33a/recess, 34a/projection, 35a/slope, 30b/cam, 31b/hole, 32b/projection, 33b/recess, 34b/projection, 35b・Slope, 40 ・Axis, 41 ・Groove, 50 ・E ring, 60 ・Shaft, 70 ・E ring, 80 a ・Cam, 80 b ・Cam, 90 ・Coil spring, 100 ・Shoulder belt attachment, 101 ・Shoulder belt

Claims (1)

ランドセルに取り付けられたバックルを備え、上記バックルには肩ベルトを装着するための肩ベルト装着部が設けられ、上記肩ベルト装着部には回動可能な第一のカムと第一のカムと互いに押し合うような弾性力が働くように構成された第二のカムを備え上記第一のカムには、肩ベルトの回動を第一のカムに伝えるための受け部が設けられており、上記バックルは弾性を有する素材で構成されると共に、先端部に互いに相対抗するように設けられた板状体を備えた一対の腕を備え，上記第一のカムと第二のカムは上記板状体の間に持されるように構成したことを特徴とする肩ベルト取り付け装置。
A buckle attached to the school bag is provided, and the buckle is provided with a shoulder belt mounting portion for mounting a shoulder belt , and the shoulder belt mounting portion includes a rotatable first cam and a first cam that are mutually rotatable. to the first cam includes a second cam configured to elastic force such jostling acts are receiving portion is provided for transmitting the rotation of the shoulder belt to the first cam, the The buckle is made of an elastic material, and has a pair of arms having plate-shaped members provided at their tips so as to oppose each other. The first cam and the second cam have the plate-shaped members. A shoulder belt attachment device characterized by being configured to be held between the body .
JP2019118032A 2019-06-26 2019-06-26 Shoulder belt attachment device Active JP6712702B1 (en)

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JPS5349283Y2 (en) * 1972-11-29 1978-11-27
JP3505080B2 (en) * 1998-03-06 2004-03-08 ホシザキ電機株式会社 Storage door device
JP4730174B2 (en) * 2006-03-31 2011-07-20 日本ケミコン株式会社 HINGE DEVICE AND DEVICE USING HINGE DEVICE
JP2009197908A (en) * 2008-02-21 2009-09-03 Strawberry Corporation Hinge device and electronic equipment using hinge device
KR101690794B1 (en) * 2010-10-11 2016-12-28 삼성전자주식회사 Snap hinge device for folding-type mobile phone
JP3165784U (en) * 2010-11-25 2011-02-03 新日興股▲分▼有限公司 Hinge and portable device having the hinge
JP2013249926A (en) * 2012-06-01 2013-12-12 Panasonic Corp Hinge device and mobile terminal device
JP6497771B2 (en) * 2015-02-19 2019-04-10 株式会社ナチュラレーザ・ワン Tilt hinge and electronic device
JP5919470B1 (en) * 2015-06-30 2016-05-18 池田　靖彦 Shoulder belt attaching device for school bag
JP3205606U (en) * 2016-05-23 2016-08-04 有限会社伊藤製作所 School bag shoulder belt upper end mounting ring
JP3206455U (en) * 2016-07-06 2016-09-15 株式会社ケントク Synthetic resin plate for backpack belt attachment

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