JP7352054B1 - self-propelled toys - Google Patents

self-propelled toys Download PDF

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JP7352054B1
JP7352054B1 JP2022132197A JP2022132197A JP7352054B1 JP 7352054 B1 JP7352054 B1 JP 7352054B1 JP 2022132197 A JP2022132197 A JP 2022132197A JP 2022132197 A JP2022132197 A JP 2022132197A JP 7352054 B1 JP7352054 B1 JP 7352054B1
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rubber band
rear axle
fixed
axle
knot
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英樹 飯田
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Abstract

【課題】そこで本発明は、駆動装置の部品数を少なく、シンプル化すること。その結果として、ゴムバンドの交換を容易に実現すること。更に、ゴムバンドの円滑な巻き取りの仕組みを実現する構造を提供することを課題とする。【解決手段】車台と、該車台の前後に回動可能に軸支され左右にそれぞれ車輪を有する前側車軸と後側車軸と、この後側車軸を駆動いる駆動手段とを備えた自走玩具であって、前記駆動手段は、伸縮可能なゴム部材で構成され、その一方が前記車台の前側部分に固定されるとともに、その他方が前記後側車軸の一方側に固定する。前記駆動手段の前記伸縮可能なゴム部材の他方側は前記後側車軸に形成された開口を通して固定する。【選択図】図１An object of the present invention is to reduce the number of parts of a drive device and simplify it. As a result, the rubber band can be easily replaced. A further object of the present invention is to provide a structure that realizes a mechanism for smoothly winding a rubber band. [Solution] A self-propelled toy comprising a chassis, a front axle and a rear axle that are rotatably supported in the front and rear of the chassis and have wheels on the left and right sides, respectively, and a drive means for driving the rear axle. The drive means is composed of a stretchable rubber member, one of which is fixed to the front portion of the vehicle chassis, and the other of which is fixed to one side of the rear axle. The other side of the extensible rubber member of the drive means is fixed through an opening formed in the rear axle. [Selection diagram] Figure 1

Description

本発明は、伸張性あるゴムバンドを用いた駆動装置に関するものである。 The present invention relates to a drive device using a stretchable rubber band.

自走玩具を実現するには自らが車輪を回すための駆動装置の仕組みが必要である。ゼンマイや歯車を用いて強力な動力をつくり走らせるものは実現している。また、ゴムバンドの駆動力によって走行させる提案はあるが（例えば特許文献２参照）、構造が複雑で、複数の部品を必要とする。それによって実現された玩具は一般的にみることがない。その理由として、玩具はシンプルで壊れにくく、安心して遊戯できる構造が望ましいが実現できていないこと。ゴムバンドの劣化は周知の事実であり、交換が容易であるべきだが実現できていないことにある。このため、駆動装置はシンプルな構造で、ゴムバンドの交換が容易にできる構造をもち、安心して遊戯できる玩具の実現が期待されていた。 In order to realize a self-propelled toy, a drive mechanism is needed to turn the wheels on its own. Things that use springs and gears to generate powerful power and run have already been realized. Furthermore, although there is a proposal to run the vehicle using the driving force of a rubber band (for example, see Patent Document 2), the structure is complicated and requires a plurality of parts. Toys created through this process are generally not seen. The reason for this is that it is desirable for toys to have a structure that is simple, hard to break, and allows for safe play, but this has not been achieved. It is a well-known fact that rubber bands deteriorate, and replacement should be easy, but this is not the case. For this reason, it was hoped that a toy with a simple drive device and a structure that would allow for easy replacement of the rubber band, and which could be played with peace of mind, would be created.

実全昭50-072392Actual Showa 50-072392 特開2010-253241JP2010-253241

そこで本発明は、駆動装置の部品数を少なくシンプルにすることで、壊れにくく、ゴムバンドの交換も容易に実現できること。さらに、ゴムバンドの円滑な巻き取りの仕組みを実現できる構造を提供することを課題とする。 Therefore, the present invention aims to simplify the driving device by reducing the number of parts, making it less likely to break and making it possible to easily replace the rubber band. Another object of the present invention is to provide a structure that can realize a mechanism for smoothly winding a rubber band.

本発明は、前記課題を解決するためになされもので、車台と、該車台の前後に回動可能に軸支され左右にそれぞれ車輪を有する前側車軸と後側車軸と、この後側車軸を駆動する駆動手段とを備えた自走玩具であって、前記駆動手段は、伸縮可能なゴム部材で構成され、その一方が前記車台の前側部分に固定されるとともに、その他方が前記後側車軸の左右どちらか一方側に固定されていることを特徴とする。 The present invention has been made in order to solve the above problems, and includes a vehicle chassis, a front axle and a rear axle that are rotatably supported in the front and rear directions of the chassis and have wheels on the left and right sides, respectively, and drive the rear axle. A self-propelled toy comprising a drive means, the drive means being made of a stretchable rubber member, one of which is fixed to the front part of the chassis, and the other of which is fixed to the front part of the rear axle. It is characterized by being fixed to either the left or right side.

本発明によれば、伸張性あるゴムバンドを用いたシンプルな構造の駆動装置であり、後側車軸の穴位置を左右方向の中心より横方向にずらした位置とすることによって、ゴムバンドの結び目がゴムバンドを巻き取る際の障害とならず、結び目から横方向にずれてゴムバンドを円滑に巻き取ることができる。その結果として、玩具の前方向へのスムーズな走行が可能となり、遊戯する人の楽しみをより一層高めることができる。 According to the present invention, the drive device has a simple structure using a stretchable rubber band, and by making the hole position of the rear axle laterally shifted from the center in the left-right direction, The rubber band does not become an obstacle when winding up the rubber band, and the rubber band can be wound up smoothly by being deviated from the knot in the lateral direction. As a result, the toy can run smoothly in the forward direction, further increasing the enjoyment of the player.

本発明の一実施例における自走玩具の斜視からの全体図Overall perspective view of a self-propelled toy according to an embodiment of the present invention 本発明の一実施例における自走玩具の底面図A bottom view of a self-propelled toy according to an embodiment of the present invention 図２におけるMk-Mk線断面図Mk-Mk line sectional view in Figure 2 本発明の一実施例における自走玩具のゴムバンド固定軸にゴムバンドを固定する図A diagram showing how a rubber band is fixed to a rubber band fixing shaft of a self-propelled toy according to an embodiment of the present invention. 本発明の一実施例における自走玩具の後側車軸にゴムバンドを固定する図A diagram of fixing a rubber band to the rear axle of a self-propelled toy according to an embodiment of the present invention

本発明の実施例について図面に基づいて、自走玩具の形の一例である自動車であるとして説明する。図１、図２及び図３は本発明の一実施例における自走玩具Aを示している。自走玩具Aは、窓5を配した自動車の形をした車台1を備えている。この車台1の底面にワークスペース6として駆動手段が納まる空洞化したスペースが形成されている。車台1の側面には前側車軸穴1aと後側車軸穴1b、およびゴムバンド固定軸穴1cが形成されている。そして前記前側車軸穴1aには、丸い棒状の前側車軸2が挿通されるとともに、その左右には前側車輪2a、2aが固定されている。また、前記後側車軸穴1bには、丸い棒状の後側車軸3が挿通されるとともに、その左右には、後側車輪3a、3aが固定されている。一方、前記後側車軸3の前方で前記前側車軸2の後側近傍に形成されているゴムバンド固定軸穴1cに棒状のゴムバンド固定軸4が挿通されて回動不能に固定されている。
なお、前記前側車軸2、および後側車軸3は、前記車台1に形成された前側車軸穴1aと後側車軸穴1bに対して回動可能となっている。 An embodiment of the present invention will be described based on the drawings, assuming that it is a car, which is an example of a self-propelled toy. 1, 2 and 3 show a self-propelled toy A in one embodiment of the present invention. Self-propelled toy A includes a car-shaped chassis 1 with a window 5 arranged thereon. A hollow space is formed at the bottom of the chassis 1 as a work space 6 in which a driving means is housed. A front axle hole 1a, a rear axle hole 1b, and a rubber band fixing axle hole 1c are formed in the side surface of the chassis 1. A round rod-shaped front axle 2 is inserted into the front axle hole 1a, and front wheels 2a, 2a are fixed to the left and right sides thereof. Further, a round bar-shaped rear axle 3 is inserted into the rear axle hole 1b, and rear wheels 3a, 3a are fixed to the left and right sides thereof. On the other hand, a rod-shaped rubber band fixing shaft 4 is inserted into a rubber band fixing shaft hole 1c formed in front of the rear axle 3 and near the rear of the front axle 2, and is fixed unrotatably.
Note that the front axle 2 and the rear axle 3 are rotatable with respect to a front axle hole 1a and a rear axle hole 1b formed in the chassis 1.

前側車輪2aおよび後側車輪3aは、車台1との接触を極力防止するため約1mm程度の隙間8(図２参照)を備え、本発明の駆動装置と直結する後側車軸3の左右に固定された後側車輪3aには、滑り止めラバー9を装着し、後側車輪3aが空転することなく床やテーブルなどの上面に動力が伝えられるように整えられている。 The front wheels 2a and the rear wheels 3a are provided with a gap 8 of about 1 mm (see Fig. 2) to prevent contact with the chassis 1 as much as possible, and are fixed to the left and right sides of the rear axle 3, which is directly connected to the drive device of the present invention. The rear wheels 3a are equipped with anti-slip rubber 9, and arranged so that the rear wheels 3a can transmit power to the upper surface of the floor, table, etc. without idling.

本発明の車台1は木材で構成するようにしているが、木材に限られるものではなく、プラスチックなどで形成されてもよいものである。 Although the vehicle chassis 1 of the present invention is made of wood, it is not limited to wood and may be made of plastic or the like.

図２に示すように、駆動手段としてのゴムバンド7は、一方をゴムバンド固定軸4に固
定するとともに、他方を後側車軸3に配置されたゴムバンド通し穴3bに通し、この通したゴムバンド7のゴム先に結び目7f(例えば、ひとつ結び)をつくり、ゴムバンド通し穴3bから抜けないようにして固定される。ゴムバンド通し穴3bの位置は、前記後側車軸3の左右方向の中心部3cから所定距離離間した位置に形成されている。このゴムバンド通し穴3bの位置は、例えば玩具Aを動かして前側車輪2a、後側車輪3aが多少左右にふられた際にも車台1とゴムバンド7の結び目7f(例えば、ひとつ結び)が干渉しない位置で車台1側にできるだけ寄せた隅に開穴する。ゴムバンド通し穴3bは、車台1側にできるだけ寄せた位置であれば、左右どちら側でもよい。 As shown in Fig. 2, one end of the rubber band 7 as a driving means is fixed to the rubber band fixing shaft 4, and the other end is passed through the rubber band through hole 3b arranged on the rear axle 3. A knot 7f (for example, a single knot) is made at the end of the rubber band 7, and the rubber band is fixed so that it does not come out through the hole 3b. The rubber band through hole 3b is located at a predetermined distance from the center 3c of the rear axle 3 in the left-right direction. The position of the rubber band through hole 3b is such that even when the front wheels 2a and the rear wheels 3a are slightly swayed from side to side by moving the toy A, the knot 7f (for example, one knot) between the chassis 1 and the rubber band 7 can be secured. Drill a hole in the corner as close to the chassis 1 side as possible without interference. The rubber band through hole 3b may be located on either the left or right side as long as it is located as close to the vehicle chassis 1 side as possible.

ゴムバンド7のゴムバンド固定軸4への取り付け方は、ゴムバンド7を折りたたみ、ゴムバンド固定軸4にひっかけ (図４A参照) 、ゴムバンド7の一方の先端7aを他方側の輪7bのなかに通して奥側にしっかり引っ張り、結び目7c(例えば、ひばり結び)をつくることで、ゴムバンド7の一方をゴムバンド固定軸4に固定する(図４B参照)。
ゴムバンド7の後側車軸3への取り付け方は、糸10を挿通補助具として使い、その糸10を折り曲げループ状10aにし、その折り曲げた側をゴムバンド通し穴3bに通す。つぎに、一方はゴムバンド固定軸4に固定されたゴムバンド7の他方の先端7dを、糸10の折り曲げたループ状10aの中にすこしだけ通した状態(図５A参照)で、糸10の糸先10bを表側に引き抜き、ゴムバンド通し穴3bに通す。最後に、ゴムバンド7の他方の先端7dに輪7eをつくり(図５B参照)、ゴムバンド7の他方の先端7dを輪7eに潜らせて結び目7f(例えば、ひとつ結び)をつくり、後側車軸3と固定する(図５C参照) 。ゴムバンド7の長さは、ゴムバンド固定軸4から後側車軸3の長さLを目安とし、張りすぎない、やや緩みを持たせた長さとする。結び目7f(例えば、ひとつ結び)の結び先7gは、余りがあればハサミで切り、結び目7f(例えば、ひとつ結び)が大きくなりすぎないように整える。なお、このゴムバンド7の取付位置は、ゴムバンド固定軸4の中央部とするのが望ましい。 To attach the rubber band 7 to the rubber band fixing shaft 4, fold the rubber band 7, hook it onto the rubber band fixing shaft 4 (see Figure 4A), and insert the tip 7a of one end of the rubber band 7 into the ring 7b on the other side. One side of the rubber band 7 is fixed to the rubber band fixing shaft 4 by passing it through the rubber band and pulling it firmly toward the back and tying a knot 7c (for example, a lark knot) (see Fig. 4B).
To attach the rubber band 7 to the rear axle 3, use the thread 10 as an insertion aid, bend the thread 10 into a loop 10a, and pass the bent side through the rubber band through hole 3b. Next, the other end 7d of the rubber band 7, one of which is fixed to the rubber band fixing shaft 4, is slightly passed through the bent loop 10a of the thread 10 (see Fig. 5A). Pull the thread tip 10b to the front side and pass it through the rubber band hole 3b. Finally, make a loop 7e on the other tip 7d of the rubber band 7 (see Figure 5B), slip the other tip 7d of the rubber band 7 into the loop 7e, make a knot 7f (for example, one knot), and Fix it to axle 3 (see Figure 5C). The length of the rubber band 7 is based on the length L from the rubber band fixing shaft 4 to the rear axle 3, and should be a length that is not too tight and has some slack. Cut tip 7g of knot 7f (for example, one knot) with scissors if there is any leftover, and trim it so that knot 7f (for example, one knot) does not become too large. Note that it is desirable that the rubber band 7 be attached to the center of the rubber band fixing shaft 4.

上記した本発明の構成によれば、玩具1を床やテーブルなどの上面に置いた状態で玩具1を後方にスライドさせることで、駆動手段としてのゴムバンド7が後側車軸3に巻き取られるようになる。この状態で手を離すとゴムバンド7が元の状態に戻ろうとするため(弾性)、車台1が前方に動くようになる。このとき、前記したゴムバンド7の他方側は、後側車軸3の左右方向の中心部3cよりも所定距離離間した左右どちらかの側方側3d(隅)で結び目7f(例えば、ひとつ結び)をつくり固定されているため、ゴムバンド7を巻き取る際、結び目7e(例えば、ひとつ結び)が障害とならず、後側車軸3の結び目7f(例えば、ひとつ結び)を起点に反側方側3e全体に、円滑にゴムバンド7の巻き取ることが可能となる。もし、ゴムバンド通し穴3bが後側車軸3の左右方向の中心部3cにあり、結び目7e(例えば、ひとつ結び)をつくり固定させている場合、ゴムバンド7を巻き取る際、結び目7e(例えば、ひとつ結び)が障害となり、にゴムバンド7が結び目7f(例えば、ひとつ結び)にひっかかる可能性がある。その結果として、玩具Aがスムーズに前方向に走行できず、安心して遊戯できない。 According to the configuration of the present invention described above, by sliding the toy 1 backward with the toy 1 placed on the upper surface of the floor, table, etc., the rubber band 7 serving as the driving means is wound around the rear axle 3. become. When you release your hand in this state, the rubber band 7 tries to return to its original state (elasticity), causing the chassis 1 to move forward. At this time, the other side of the rubber band 7 is tied into a knot 7f (for example, tied in one knot) at either the left or right side 3d (corner) that is a predetermined distance apart from the center 3c in the left-right direction of the rear axle 3. Since the knot 7e (for example, one knot) does not become an obstacle when winding up the rubber band 7, starting from the knot 7f (for example, one knot) on the rear axle 3, the knot 7e (for example, one knot) is fixed. It becomes possible to smoothly wind the rubber band 7 over the entire 3e. If the rubber band through hole 3b is located at the center 3c of the rear axle 3 in the left-right direction, and a knot 7e (for example, a single knot) is made and fixed, when winding up the rubber band 7, the knot 7e (for example, , a single knot) may become an obstacle, and the rubber band 7 may get caught in the knot 7f (for example, a single knot). As a result, toy A cannot move forward smoothly and cannot be played with peace of mind.

なお、本発明においては自動車について説明したが、自動車に限らず自動車以外の乗り物、動物、及び昆虫のデザインに採用することも可能である。 Although the present invention has been described with reference to automobiles, the present invention can also be applied to designs of vehicles other than automobiles, animals, and insects.

本発明によれば、伸張性あるゴムバンドを用いたシンプルな構造の駆動装置であり、後側車軸の穴位置を左右方向の中心より横方向にずらした位置とすることによって、ゴムバンドの結び目がゴムバンドを巻き取る際の障害とならず、結び目から横方向にずれてゴムバンドを円滑に巻き取ることができる。その結果として、玩具の前方向へのスムーズな走行が可能となり、遊戯する人の楽しみをより一層高めることができる。 According to the present invention, the drive device has a simple structure using a stretchable rubber band, and by making the hole position of the rear axle laterally shifted from the center in the left-right direction, The rubber band does not become an obstacle when winding up the rubber band, and the rubber band can be wound up smoothly by being deviated from the knot in the lateral direction. As a result, the toy can run smoothly in the forward direction, further increasing the enjoyment of the player.

A 自走玩具
1 車台
1a 前側車軸穴
1b 後側車軸穴
1c ゴムバンド固定軸穴
2 前側車軸
2a 前側車輪
3 後側車軸
3a 後側車輪
3b ゴムバンド通し穴
6 ワークスペース
7 ゴムバンド
A Self-propelled toy
1 chassis
1a Front axle hole
1b Rear axle hole
1c Rubber band fixed shaft hole
2 Front axle
2a Front wheel
3 Rear axle
3a Rear wheel
3b Rubber band through hole
6 workspace
7 rubber band

Claims (1)

車台と、該車台の前後に回転可能に軸支され左右にそれぞれ車輪を有する前側車軸と後側車軸と、この後側車軸を駆動する駆動手段とを備えた自走玩具であって、前記後側車軸は、前記車台の左右に軸支される際に、その左右の軸支部分の間の外周は解放されるとともに前記駆動手段は伸縮可能なゴム部材で構成され、その一方が前記車台の前側部分に固定されるとともに、その他方が前記後側車軸の左右方向の中心部から所定距離離間した位置に直接固定されており、この駆動手段の前記ゴム部材の他方側は前記後側車軸に形成された開口を通して結び目を形成することで固定されていることを特徴とする自走玩具。 A self-propelled toy comprising a vehicle chassis, a front axle and a rear axle that are rotatably supported at the front and rear of the chassis and have wheels on the left and right sides, respectively, and a drive means for driving the rear axle. When the side axle is pivotally supported on the left and right sides of the vehicle chassis, the outer periphery between the left and right axle portions is released, and the drive means is composed of a stretchable rubber member, one of which is supported on the left and right sides of the vehicle chassis. The other side of the rubber member of the drive means is fixed to the front part, and the other side is directly fixed to a position spaced a predetermined distance from the center of the rear axle in the left-right direction, and the other side of the rubber member of the drive means is fixed to the rear axle. A self-propelled toy characterized in that the toy is fixed by forming a knot through the formed opening .
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005342103A (en) 2004-06-01 2005-12-15 Hiromi Tanoue Humming top

Patent Citations (1)

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