JP2000038137A - Handcart - Google Patents

Handcart

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Publication number
JP2000038137A
JP2000038137A JP10237924A JP23792498A JP2000038137A JP 2000038137 A JP2000038137 A JP 2000038137A JP 10237924 A JP10237924 A JP 10237924A JP 23792498 A JP23792498 A JP 23792498A JP 2000038137 A JP2000038137 A JP 2000038137A
Authority
JP
Japan
Prior art keywords
handle
stopper
basket
rotation axis
wheelbarrow
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.)
Pending
Application number
JP10237924A
Other languages
Japanese (ja)
Inventor
Kazuo Kimura
一雄 木村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP10237924A priority Critical patent/JP2000038137A/en
Publication of JP2000038137A publication Critical patent/JP2000038137A/en
Pending legal-status Critical Current

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  • Handcart (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a folding handcart with a stop mechanism that ensures a smart walk during walking or shopping whereat loads are mounted therein, especially has a high degree of freedom in design, uses fewer components and is light for easy handling. SOLUTION: The folding handcart with a stop mechanism uses a basket constituted of integral frames superimposed one on the next to form the front, rear and sides, and a small link 8 set under the basket to offer folding action. The stop mechanism uses no springs and employs the resiliency of the stop itself, for its simple structure using fewer components.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、散歩やショッピングの
時、荷物を積載してスマートに走行ができる手押し車に
係り、デザインの向上と構造の簡素化を追及したもので
ある。更に本発明のストッパーは、本実施例のようなシ
ョッピングカーだけでなく、老人車やベビーカー等にも
利用できる。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelbarrow capable of carrying a baggage and carrying it smartly during a walk or shopping, and seeks to improve the design and simplify the structure. Further, the stopper according to the present invention can be used not only for a shopping car as in the present embodiment but also for an elderly car, a stroller and the like.

【0002】[0002]

【従来の技術】従来、この種の手押し車は構造上に若干
の差が有っても、図1に示すように、カゴを構成する格
子枠の前面部及び後面部に、これらの格子枠を回動自在
に連結する垂直方向の部材を設ける事によりカゴの周囲
面を形成し、更に最下部の枠には格子を設けてカゴ底面
とし、物入れカゴを形成している。そして、カゴ底面部
枠に回動自在に設置された前脚は、その回動軸より稍前
方の点と、カゴ上面部枠とが、長いリンクで連結され、
手押し車のカゴを折りたたんだ時、この長いリンクで前
脚が引き込まれるようになっている。また、この種の手
押し車のストッパーは、特公平7−80461号公報の
物や実公平6−40536号公報の物のように複雑な構
造であった。
2. Description of the Related Art Conventionally, this kind of wheelbarrow has a slight difference in structure, but as shown in FIG. Is provided by providing a vertical member for rotatably connecting the car, and a peripheral surface of the car is formed. Further, a lattice is provided on a lowermost frame to serve as a car bottom face, thereby forming a storage basket. Then, the front leg rotatably installed on the basket bottom frame is connected to a point slightly forward of the rotation axis and the cage top frame by a long link,
This long link pulls in the front legs when the cart in the wheelbarrow is folded. Further, the stopper of this kind of a wheelbarrow has a complicated structure like the thing of Japanese Patent Publication No. 7-80461 and the thing of Japanese Utility Model Publication No. 6-40536.

【0003】[0003]

【発明が解決しようとする課題】図1に示すような公知
の手押し車では、カゴの前面と後面を固定された格子で
形成するため、構成部品数が多くなり生産コストや製品
重量を増してしまうと同時に、カゴ自体の形が直方体に
近くなり、美しいデザインの物が出来難くなっている。
さらに、手押し車のカゴを折りたたむ時必要な、前脚を
引き込むための長いリンクがカゴの両側面に有るため、
これも製品重量を増やし、全体のデザインを悪くしてい
る。また、ストッパーについても、ワイヤーやスプリン
グ等多くの部品と複雑な構造を必要とするため、製品重
量を増やし生産コストを高くしている。
In the known wheelbarrow as shown in FIG. 1, since the front and rear surfaces of the basket are formed by fixed grids, the number of components increases, and the production cost and product weight increase. At the same time, the shape of the basket itself is close to a rectangular parallelepiped, making it difficult to produce beautifully designed objects.
In addition, there are long links on both sides of the basket for retracting the front legs, which are necessary when folding the basket of the wheelbarrow,
This also increases the product weight and worsens the overall design. Also, the stopper requires many parts such as wires and springs and a complicated structure, so that the weight of the product is increased and the production cost is increased.

【0004】[0004]

【課題を解決するための手段】本発明は上述のような課
題を解決するために、従来の物にない新しい構造のカゴ
とし、折りたたみ時、前脚を引き込むためのリンク構造
も変更し、さらにストッパーについても、構造が簡単で
作りやすい物とした。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a cage having a new structure not found in the conventional ones, and also changes the link structure for retracting the front leg when folded, and furthermore, a stopper. The structure was simple and easy to make.

【0005】[0005]

【作用】本発明の手押し車は、上述のような手段によっ
て構造が簡単で作りやすく、製品重量も軽くすることが
でき、美しいデザインを持った手押し車を、低価格で提
供することができる。
The wheelbarrow according to the present invention has a simple structure, can be easily manufactured, and can be manufactured with a light weight by the means described above, and a wheelbarrow having a beautiful design can be provided at a low price.

【0006】[0006]

【実施例】実施例について図面を参照して説明する。図
2は本発明の手押し車の斜視図、図3は本発明の手押し
車のカゴを形成する枠の平面断面図である。上から見て
概ね長方形をしたカゴの枠は、前方枠(1a)は太い金
属パイプを曲げて作り、後方枠(1b)は細い金属パイ
プを曲げて作ってある。この様にして作ったカゴの枠
を、図2の様に上下方向に平行に10個程度並べ、その
両側面後方付近にまたがる形で、同じく金属パイプを曲
げて作った、上下方向に真直部分を持つ門形のハンドル
(2)が設置され、交差点部分で前方枠(1a)と後方
枠(1b)を勘合させると同時に、左右方向を回動軸と
してピン(2a)で連結する事により1個の枠が作られ
る。更にその前方にはハンドル(2)の真直部分に平行
する連結杆(3)が設置され、その交差点部分でも左右
方向を回動軸としてピン(3a)で連結されている。
尚、ピン(2a)とピン(3a)は、最上部の枠に使用
している物を除き、小さなブラインドリベットを使用し
ているため、図2には表現されていない。本実施例では
カゴの枠はこの様にして作られているが、1本の金属棒
や金属板を曲げて作ったり、合成樹脂等で作り、ハンド
ル(2)や連結杆(3)との交差点部分には可回動に連
結するために、横方向の突起を一体で作る事もできる。
この様にしてカゴの周囲面を形成し、最下部枠(1c)
は、内側に格子(4)を固着し底面部を形成する事によ
って、手押し車の物入れカゴができている。
An embodiment will be described with reference to the drawings. FIG. 2 is a perspective view of a wheelbarrow of the present invention, and FIG. 3 is a plan sectional view of a frame forming a basket of the wheelbarrow of the present invention. The basket frame, which is generally rectangular as viewed from above, is formed by bending a thick metal pipe for the front frame (1a) and bending a thin metal pipe for the rear frame (1b). As shown in Fig. 2, about 10 frames of the cage made in this manner are arranged in parallel in the vertical direction, and the metal pipe is bent in the form of straddling the rear side of both sides. A front handle (1a) and a rear frame (1b) are fitted together at the intersection at the same time, and are connected by a pin (2a) with the left and right direction as a rotation axis. Individual frames are created. Further, a connecting rod (3) parallel to a straight portion of the handle (2) is provided in front of the connecting rod (3). The connecting rod (3) is also connected to the intersection at a right and left direction by a pin (3a).
The pins (2a) and (3a) are not represented in FIG. 2 because they use small blind rivets except for the one used for the uppermost frame. In the present embodiment, the frame of the basket is made in this manner, but it is made by bending a single metal rod or metal plate, or made of synthetic resin or the like, and is formed with a handle (2) and a connecting rod (3). At the intersection, a lateral projection may be integrally formed for rotatable connection.
The peripheral surface of the basket is formed in this manner, and the lowermost frame (1c)
Has a wheelbarrow storage basket formed by fixing a lattice (4) inside and forming a bottom surface portion.

【0007】最下部枠(1c)の下には、金属パイプを
S字形に曲げて作った前脚(5)が有り、その前端部に
は左右の前脚(5)を貫く形で前輪軸(6)が固着さ
れ、その両端部には前輪(7)が回動自在に連結されて
いる。前脚(5)の後端部は、最下部枠(1c)とハン
ドル(2)との交差点のピン(2b)より稍前方の点で
最下部枠(1c)の内側に、左右方向を回動軸としてピ
ン(5a)により回動自在に連結されており、手押し車
として使用する時は、前脚(5)の前方のS字形に曲が
った部分が、最下部枠(1c)と連結杆(3)との交差
点のピン(3b)に下から当たる形で固定される。ハン
ドル(2)の最下端には後輪軸(9)が固着され、その
両端部には後輪(10)が回動自在に連結されている。
前脚(5)はピン(5a)より稍前方の点と、ハンドル
(2)のピン(2b)と後輪軸(9)の中間の点とを、
リンク(8)を介して、それぞれピン(8a)ピン(8
b)によって左右方向を回動軸として回動自在に連結さ
れている。
Under the lowermost frame (1c), there is a front leg (5) made by bending a metal pipe into an S-shape, and the front end of the front wheel shaft (6) penetrates the left and right front legs (5). ) Is fixed, and a front wheel (7) is rotatably connected to both ends thereof. The rear end of the front leg (5) pivots left and right inside the lowermost frame (1c) at a point slightly ahead of the pin (2b) at the intersection of the lowermost frame (1c) and the handle (2). When used as a wheelbarrow, a portion bent in an S shape in front of the front leg (5) is connected to the lowermost frame (1c) and the connecting rod (3). ) Is fixed so as to hit the pin (3b) at the intersection with () from below. A rear wheel shaft (9) is fixed to the lowermost end of the handle (2), and a rear wheel (10) is rotatably connected to both ends thereof.
The front leg (5) has a point slightly ahead of the pin (5a) and a point between the pin (2b) of the handle (2) and the rear wheel axle (9).
Via the link (8), the pin (8a) and the pin (8
According to b), they are rotatably connected to each other with the left-right direction as a rotation axis.

【0008】図4は本発明の手押し車の側面図であり、
図5はこれを折りたたんだ状態の側面図である。図4を
見てわかるように、通常はピン(2a)(2b)(3
b)(3a)で作られる形が概ね長方形をなしている
が、最上部の前方枠(1a)を図4の矢印の方向に引き
上げると、これらが図5のように平行四辺形に変形する
形でカゴが折りたたまれる。この時、前脚(5)は後端
部のピン(5a)が、カゴの最下部枠(1c)の動きに
伴い上方に引き上げられるが、前脚(5)がリンク
(8)とピン(8a)(8b)に係合しているため、前
輪(7)が後輪(10)に近ずき、全体が折りたたまれ
る事になる。この時、図5で示すように、手押し車は安
定して自立する事が出来る。
FIG. 4 is a side view of the wheelbarrow of the present invention.
FIG. 5 is a side view in a state where this is folded. As can be seen from FIG. 4, the pins (2a) (2b) (3
b) The shape made in (3a) is generally rectangular, but when the uppermost front frame (1a) is pulled up in the direction of the arrow in FIG. 4, they are transformed into a parallelogram as shown in FIG. The basket is folded in shape. At this time, the pin (5a) at the rear end of the front leg (5) is pulled upward with the movement of the lowermost frame (1c) of the car, but the front leg (5) is connected to the link (8) and the pin (8a). Since it is engaged with (8b), the front wheel (7) approaches the rear wheel (10), and the whole is folded. At this time, as shown in FIG. 5, the wheelbarrow can stably stand alone.

【0009】図6は本発明のストッパー部分の斜視図で
あり、図7、図8は図6のZ−Z部分の断面図である。
金属板を曲げて作ったクランク形状をしたストッパー
(11)は両側のピン(8b)によって、ハンドル
(2)の内側間に回動自在に横架され、ストッパー(1
1)の両端は外側に曲がり、後輪内側中央付近に設けら
れた放射状の溝(10a)に係脱自在に係合するための
係止部(11a)を備えている。更にストッパー(1
1)にはその片側に同じく金属板でできた係脱操作のた
めの操作ノブ(12)が固着されており、操作ノブ(1
2)にはストッパー(11)との総合的な弾性力によっ
て、回動軸方向にハンドル(2)の側面に押しつけられ
るような突起(12a)が適切な位置に設けられるとと
もに、操作ノブ(12)の先端部(12b)は外側にL
字形に曲がっている。図6,図7はストッパーが解除さ
れた状態の図である。この状態ではハンドル(2)の方
向に押しつけられた突起(12a)と先端部(12b)
の働きにより係止部(11a)が放射状の溝(10a)
との係合を解除された状態を保持している。ストッパー
(11)を係止状態にする時は、操作ノブ(12)を図
6の矢印方向に動かすと、これに固着された係止部(1
1a)が図7の矢印方向に動き図8の状態になる。すな
わち、ハンドル(2)の側面に押しつけられた突起(1
2a)がハンドル(2)の側面の***部を乗り越え、同
時にストッパーの係止部(11a)が車輪の放射状の溝
(10a)に係合し、突起(12a)の働きで係止状態
が保持される。本実施例では生産容易化のためストッパ
ー(11)と操作ノブ(12)は別部品で作り固着し一
体化しているが、初めから一体製作する事もでき、ハン
ドル(2)は金属パイプを使用せず、突起(12a)の
当たる部分に***した形状を設けても同様の働きをす
る。又、ストッパー構造部は後輪に設置しているが、前
輪に設置する事も可能である。
FIG. 6 is a perspective view of a stopper portion of the present invention, and FIGS. 7 and 8 are cross-sectional views taken along line ZZ of FIG.
A crank-shaped stopper (11) made by bending a metal plate is rotatably suspended between the inside of the handle (2) by pins (8b) on both sides, and the stopper (1) is provided.
Both ends of 1) are bent outward, and are provided with locking portions (11a) for removably engaging radial grooves (10a) provided near the center of the rear wheel inside. Stopper (1
An operation knob (12) for engaging and disengaging operation, which is also made of a metal plate, is fixed to one side of the operation knob (1).
2) is provided with a projection (12a) at an appropriate position to be pressed against the side surface of the handle (2) in the direction of the rotation axis by an overall elastic force with the stopper (11). ), The tip (12b) is L
It is bent in the shape of a letter. 6 and 7 are views showing a state where the stopper is released. In this state, the projection (12a) pressed in the direction of the handle (2) and the tip (12b)
The locking portion (11a) has a radial groove (10a)
And the state of disengagement with. When the operation knob (12) is moved in the direction of the arrow in FIG.
1a) moves in the direction of the arrow in FIG. 7 to the state shown in FIG. That is, the protrusion (1) pressed against the side surface of the handle (2)
2a) gets over the raised portion on the side surface of the handle (2), and at the same time, the locking portion (11a) of the stopper engages with the radial groove (10a) of the wheel, and the locked state is maintained by the function of the projection (12a). Is done. In this embodiment, the stopper (11) and the operation knob (12) are made as separate parts and fixed and integrated for easy production. However, the stopper (11) and the operation knob (12) can be integrally manufactured from the beginning, and the handle (2) uses a metal pipe. Instead, a similar effect can be obtained even if a protruding shape is provided at the portion where the projection (12a) is in contact. Although the stopper structure is installed on the rear wheel, it can be installed on the front wheel.

【0010】[0010]

【発明の効果】このように本発明の手押し車は、カゴの
前面と後面に側面の格子を連結する為の部材を設けず、
カゴ側面と一体の自由な形の枠でカゴを形成し、折りた
たみ時に必要な前脚を引き込むためのリンクもカゴの下
部に目立たない小さな物にした為、美しいデザインの物
が少ない構成部品で出来るようになり、生産コストや製
品重量を大幅に引き下げる効果がある。また、ストッパ
ーについても、ワイヤーやスプリングを使わずストッパ
ー自体の弾性力を利用している為、従来の物に比べ大幅
に簡素化され、同時に車輪内側付近に設置するコンパク
トな物になった為、手押し車を押して歩くときにも足に
当たって邪魔になる事も無く大変使いやすい物になっ
た。更にこのストッパー構造はショッピングカーだけで
なく、老人車やベビーカー等にも広く活用できる、利用
価値の高いものである。
As described above, the wheelbarrow of the present invention does not include members for connecting the side lattices to the front and rear surfaces of the basket.
The cage is formed with a free-form frame integrated with the side of the car, and the link for pulling in the necessary front legs when folding is made a small thing that is not noticeable at the bottom of the car, so that there are few components with beautiful design This has the effect of significantly reducing production costs and product weight. Also, because the stopper uses the elastic force of the stopper itself without using wires or springs, it is greatly simplified compared to conventional ones, and at the same time it is a compact one installed near the inside of the wheel, Even when walking with a wheelbarrow, it became very easy to use without hitting the foot and getting in the way. Further, this stopper structure is of high use value, which can be widely used not only for shopping cars but also for elderly cars, strollers and the like.

【図面の簡単な説明】[Brief description of the drawings]

【図1】従来例の手押し車の斜視図FIG. 1 is a perspective view of a conventional wheelbarrow.

【図2】本発明に係る手押し車の斜視図FIG. 2 is a perspective view of a wheelbarrow according to the present invention.

【図3】本発明に係る手押し車のカゴを形成する枠の平
面断面図
FIG. 3 is a plan sectional view of a frame forming a basket of the handcart according to the present invention.

【図4】本発明に係る手押し車の使用状態の側面図FIG. 4 is a side view of the use state of the handcart according to the present invention.

【図5】本発明に係る手押し車を折りたたんだ時の側面
FIG. 5 is a side view when the wheelbarrow according to the present invention is folded.

【図6】本発明に係る手押し車のストッパー部分の斜視
FIG. 6 is a perspective view of a stopper portion of the handcart according to the present invention.

【図7】図6のストッパー解除状態のZ−Z線断面図FIG. 7 is a sectional view taken along line ZZ of the stopper in FIG. 6 in a released state.

【図8】図6のストッパー係止状態のZ−Z線断面図FIG. 8 is a sectional view taken along line ZZ of the stopper shown in FIG.

【符号の説明】[Explanation of symbols]

1a 前方枠 1b 後方枠 1c 最下部枠 2 ハンドル 2a ピン 2b ピン 3 連結杆 3a ピン 3b ピン 4 格子 5 前脚 5a ピン 6 前輪軸 7 前輪 8 リンク 8a ピン 8b ピン 9 後輪軸 10 後輪 10a 放射状の溝 11 ストッパー 11a 係止部 12 操作ノブ 12a 突起 12b 先端部 1a front frame 1b rear frame 1c bottom frame 2 handle 2a pin 2b pin 3 connecting rod 3a pin 3b pin 4 lattice 5 front leg 5a pin 6 front wheel shaft 7 front wheel 8 link 8a pin 8b pin 9 rear wheel shaft 10 rear wheel 10a radial groove DESCRIPTION OF SYMBOLS 11 Stopper 11a Locking part 12 Operation knob 12a Projection 12b Tip

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 概ね長方形をした枠を上下方向に平行に
複数個並べ、その両側面後方付近にまたがる形で、上下
方向に真直部分を持つ門形のハンドルが設置され、更に
このハンドルの真直部分に平行する連結杆が設置され、
個々の交差点で左右方向を回動軸として回動自在に連結
する事によりカゴの周囲面を形成し、最下部の枠には格
子又は底板を設けてカゴ底面部を形成した、物入れカゴ
を備えた手押し車。
1. A gate-shaped handle having a straight portion in the up-down direction is installed in such a manner that a plurality of substantially rectangular frames are arranged in parallel in the up-and-down direction and straddling the rear sides of both sides thereof. A connecting rod parallel to the part is installed,
Equipped with a storage basket that forms the peripheral surface of the car by connecting freely at the respective intersections with the left and right direction as the rotation axis, and the bottom frame is provided with a lattice or bottom plate to form the bottom surface of the basket. Wheelbarrow.
【請求項2】 前端部に前輪軸を設置した前脚の後端部
を、カゴ底面部枠のハンドルとの交差点より稍前方に、
左右方向を回動軸とし回動自在に連結し、前脚の回動軸
より稍前方の点と、ハンドルのカゴ底面部枠との連結点
より稍下方の点とをリンクで回動自在に連結した、折り
たたみ可能な手押し車。
2. The rear end of the front leg, in which the front axle is installed at the front end, is positioned slightly forward of the intersection with the handle of the car bottom frame.
It is connected rotatably with the left and right direction as the rotation axis, and the point slightly ahead of the rotation axis of the front leg and the point slightly below the connection point with the handle bottom frame of the handle is rotatably connected with the link. , Collapsible wheelbarrow.
【請求項3】 内側中央付近に放射状の溝を持った車輪
を装着した車軸を、ハンドルの最下部に設置し、その稍
上部に回動軸を持つストッパーを、その回動によって車
輪の放射状の溝に係脱自在になるよう可回動に連結し、
ストッパーの弾性力によって常に回動軸方向に、ハンド
ル側面に押しつけられるような突起がストッパーに固着
され、この突起がハンドル側面の***した部分を乗り越
える事により、ストッパーを車輪の放射状の溝との係脱
位置に、それぞれ保持させる事のできる、ストッパー構
造。
3. An axle equipped with wheels having radial grooves near the center of the inside is installed at the lowermost portion of the handle, and a stopper having a rotating shaft slightly above the handle is provided. It is pivotally connected so that it can be disengaged from the groove,
A protrusion that is always pressed against the side of the handle is fixed to the stopper in the direction of the rotation axis by the elastic force of the stopper, and the protrusion moves over the raised portion of the side of the handle, thereby engaging the stopper with the radial groove of the wheel. A stopper structure that can be held in the detached position.
JP10237924A 1998-07-21 1998-07-21 Handcart Pending JP2000038137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10237924A JP2000038137A (en) 1998-07-21 1998-07-21 Handcart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10237924A JP2000038137A (en) 1998-07-21 1998-07-21 Handcart

Publications (1)

Publication Number Publication Date
JP2000038137A true JP2000038137A (en) 2000-02-08

Family

ID=17022481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10237924A Pending JP2000038137A (en) 1998-07-21 1998-07-21 Handcart

Country Status (1)

Country Link
JP (1) JP2000038137A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008001174A (en) * 2006-06-21 2008-01-10 Yuuba Sangyo Kk Handcart
ES2614515A1 (en) * 2017-03-17 2017-05-31 Easycarlett S.L. Multipurpose shopping cart (Machine-translation by Google Translate, not legally binding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008001174A (en) * 2006-06-21 2008-01-10 Yuuba Sangyo Kk Handcart
ES2614515A1 (en) * 2017-03-17 2017-05-31 Easycarlett S.L. Multipurpose shopping cart (Machine-translation by Google Translate, not legally binding)

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