JP2001260827A - Stationary wheel braking device of hand carrier - Google Patents
Stationary wheel braking device of hand carrierInfo
- Publication number
- JP2001260827A JP2001260827A JP2000073564A JP2000073564A JP2001260827A JP 2001260827 A JP2001260827 A JP 2001260827A JP 2000073564 A JP2000073564 A JP 2000073564A JP 2000073564 A JP2000073564 A JP 2000073564A JP 2001260827 A JP2001260827 A JP 2001260827A
- Authority
- JP
- Japan
- Prior art keywords
- piece
- wheel
- mounting
- fixed
- brake shoe
- 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
Links
Landscapes
- Handcart (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、取付部片の両側に相対
して連設した側部片に車輪を回動自在に枢着した車輪枠
を、荷台の後端に前記取付部片において止着した手押し
運搬車の固定車輪制動装置に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a wheel frame in which wheels are rotatably connected to side pieces connected to both sides of a mounting piece at the rear end of a carrier. The present invention relates to a fixed wheel braking device of a fixed cart.
【０００２】[0002]
【従来の技術】荷台に吊設した支持片に回動板を回動自
在に枢着し、該回動板にブレーキシューを設け、該ブレ
ーキシューの圧接を、前記回動板と荷台との間に介在さ
せたコイルスプリングの付勢によって行うようにし、前
記回動板に取り付けたワイヤを、ハンドル枠の近傍に配
置したブレーキレバーを操作して前記付勢を解放するよ
うにした構造のものがあり、この構造のものは、コイル
スプリングの付勢によってブレーキシューを車輪に圧接
して制動状態におき、車輪を転動させる際に、ブレーキ
レバーを操作してブレーキシューを車輪位置から離脱さ
せて前記の制動状態を解放するものである（実開昭５２
−１１９２５１号公報）。2. Description of the Related Art A rotating plate is pivotally attached to a supporting piece suspended from a loading platform, a brake shoe is provided on the rotating plate, and a pressure contact of the brake shoe is performed between the rotating plate and the loading platform. A structure in which the bias is released by a coil spring interposed therebetween, and the wire attached to the rotating plate is released by operating a brake lever disposed near a handle frame. With this structure, the brake shoe is pressed against the wheel by the bias of the coil spring to put it in a braking state, and when rolling the wheel, the brake lever is operated to release the brake shoe from the wheel position. To release the above-mentioned braking state.
-119251).
【０００３】[0003]
【発明が解決しようとする課題】前記従来例は、常態時
には車輪を制動した状態にあり、必要に応じて制動状態
を解放して車輪を転動できるようにした構造のもので、
そのため、ワイヤーに連けいしたブレーキレバーの操作
を必要とするから構造的に複雑である。The above prior art has a structure in which the wheels are braked in a normal state, and the wheels can be rolled by releasing the braking state as necessary.
Therefore, it is structurally complicated because it requires operation of a brake lever connected to a wire.
【０００４】本発明は、従来例の構成部品であるコイル
スプリングやブレーキレバー等を省略して簡易な構造で
ありながら、制動操作を確実に行える固定車輪の制動装
置を提供することを目的として創案したものである。The present invention has been made with the object of providing a braking device for a fixed wheel which can reliably perform a braking operation while having a simple structure by omitting a coil spring, a brake lever, and the like, which are components of the conventional example. It was done.
【０００５】[0005]
【課題を解決するための手段】取付部片の両側に相対し
て連設した側部片に車輪を回動自在に枢着した車輪枠
を、荷台の後端に前記取付部片において止着した手押し
運搬車において、基部を前記取付部片の前端側において
前記荷台に止着した、弾性変形可能な、板状のブレーキ
シューの自由端側の先端部を、前記取付部片と前記車輪
との間の間隙を通じて前記取付部片の後端側に配設し、
該先端部を介して前記車輪に圧接するペダルを、前記荷
台に吊設した支持片に支軸によって回動自在に枢着した
ことを基本的手段とし、この基本的手段に、取付部片に
ブレーキシューの基部と、支持片を構成する取付部片の
それぞれ重ね合わせ、これらに固定ボルトを貫通させて
荷台に締付けたことを付加することにより、車輪枠を荷
台に固定ボルトによって締付ける構造の既存の固定車輪
にも、前記固定ボルトを利用して装置することができる
のである。SUMMARY OF THE INVENTION A wheel frame having wheels rotatably mounted on side pieces connected to opposite sides of a mounting piece is fixed to the mounting piece at the rear end of the loading platform. In the push cart, the base portion is fixed to the carrier at the front end side of the mounting piece, and the tip of the elastically deformable, plate-shaped brake shoe on the free end side is attached to the mounting piece and the wheel. Arranged on the rear end side of the mounting piece through a gap between
The basic means is that a pedal that presses against the wheel via the tip is pivotally attached to a support piece suspended from the carrier by a support shaft, and the basic means includes a mounting piece. The existing structure in which the base of the brake shoe and the mounting piece that constitutes the support piece are overlapped, and the fixing bolts are passed through them and added to the fact that they are fastened to the loading platform is used to tighten the wheel frame to the loading platform with the securing bolts. The above-mentioned fixing bolt can also be used for the fixed wheel.
【０００６】[0006]
【実施例】図面は本発明に係る手押し運搬車における固
定車輪の制動装置の一実施例を示し、図１は断面図、図
２は図１のｘ−ｘ線断面図、図３は制動状態の一部拡大
断面図、図４は手押し運搬車の斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of an apparatus for braking a fixed wheel in a cart according to the present invention, FIG. 2 is a sectional view taken along line xx of FIG. 1, and FIG. And FIG. 4 is a perspective view of a cart.
【０００７】実施例の手押し運搬車Ａは、後端側に左右
一対の固定車輪１，１を前端側に同じく一対の自在車輪
１´，１´を配して荷台２を受支させ、荷台２の後端側
に折畳み自在のハンドル枠３を立設して構成したもので
ある。The hand truck A of the embodiment has a pair of fixed wheels 1, 1 on the left and right sides on the rear end side and a pair of free wheels 1 ', 1' on the front end side. 2, a handle frame 3 which can be folded is provided upright on the rear end side.
【０００８】前記固定車輪１は、取付部片４ａと該取付
部片４ａの両側に相対して連設した側部片４ｂ，４ｂと
で構成した車輪枠４の前記側部片４ｂ，４ｂに車軸５
（実施例では、ナットを螺合して側部片４ｂに締付ける
ボルトで構成する）を架設し、車軸５によって車輪６
を、前記側部片４ｂ（車輪枠４）に回動自在に枢着して
構成したものである。The fixed wheel 1 is attached to the side pieces 4b, 4b of the wheel frame 4 composed of a mounting piece 4a and side pieces 4b, 4b continuously provided on both sides of the mounting piece 4a. Axle 5
(In the embodiment, a nut is screwed into the side piece 4b and the bolt is fastened to the side piece 4b).
Are rotatably connected to the side piece 4b (wheel frame 4).
【０００９】この固定車輪１は、前記荷台２の下面に取
付部片４ａを重ね合わせ、取付部片４ａに設けた前後一
対二組の透孔７を通じて固定ボルト８を、前記荷台２に
設けた螺子筒９に螺合締付けて前記荷台２に止着するよ
うにしてある。In this fixed wheel 1, a mounting piece 4a is superimposed on the lower surface of the carrier 2 and fixing bolts 8 are provided on the carrier 2 through a pair of front and rear through holes 7 provided in the mounting piece 4a. The screw cylinder 9 is screwed and fastened to the loading platform 2.
【００１０】この固定ボルト８で固定車輪１（車輪枠
４）を荷台２に取付ける際、一方の固定車輪１側に、ブ
レーキシュー１０と、ペダル１１を支軸１２によって予
め回動自在に枢着した支持片１３それぞれを前記固定ボ
ルト８で前記荷台２に止着することにより実施例装置を
得ることができる。When the fixed wheel 1 (wheel frame 4) is mounted on the carrier 2 with the fixing bolt 8, the brake shoe 10 and the pedal 11 are pivotally attached to one fixed wheel 1 by a support shaft 12 in advance. By fixing each of the support pieces 13 to the carrier 2 with the fixing bolts 8, the embodiment apparatus can be obtained.
【００１１】なお、本発明に係る装置は、一方の固定車
輪１側のみに装置してあるが、他の一方の固定車輪１側
に装置しても不都合はない。Although the apparatus according to the present invention is provided only on one fixed wheel 1 side, there is no inconvenience if it is provided on the other fixed wheel 1 side.
【００１２】前記ブレーキシュー１０は、弾性変形（屈
曲）可能な、全体としてややへの字形の金属板で成り、
基部（短い方の部片）に設けた透孔１４に前記固定ボル
ト８を貫通させて取付部片４ａと共に荷台２に取り付
け、前記基部に対応する自由端側の先端部（長い方の部
片の先端部）１０ａを、車輪枠４の取付部片４ａと前記
車輪６との間の間隙１５を通じて前記取付部片４ａの後
方側に配し、荷台２に止着する前記支持片１３の直下に
位置するように配設するのである。The brake shoe 10 is made of an elastically deformable (bendable) metal plate having a slightly curved shape as a whole.
The fixing bolt 8 is passed through a through hole 14 provided in the base (shorter piece) and attached to the carrier 2 together with the mounting piece 4a, and the free end side tip corresponding to the base (longer piece) Of the wheel frame 4 is disposed behind the mounting piece 4a through a gap 15 between the mounting piece 4a of the wheel frame 4 and the wheel 6, and is directly below the support piece 13 which is fixed to the carrier 2. It is arranged so that it is located in.
【００１３】前記支持片１３は、一対のＬ字形の金属片
の垂直部を互いに熔接して成り、垂直方向の中央部片１
３ａと該中央部片１３ａの両側に配した取付部片１３
ｂ，１３ｂとで構成し、中央部片１３ａに支軸１２によ
ってペダル１１を前記の通り回動自在に枢着したもので
ある。The support piece 13 is formed by welding vertical portions of a pair of L-shaped metal pieces to each other, and forms a central portion 1 in the vertical direction.
3a and mounting pieces 13 arranged on both sides of the central piece 13a
b, 13b, and the pedal 11 is pivotally attached to the central piece 13a by the support shaft 12 as described above.
【００１４】そして、この支持片１３は、取付部片１３
ｂに設けた透孔１６を車輪枠４の取付部片４ａに設けた
透孔７と一致させ、ブレーキシュー１０を荷台２に締め
付けた同様に、これらに固定ボルト８を貫通させてボル
ト先端を螺子筒９に螺合締め付けることによって荷台２
に吊設したものである。The support piece 13 is attached to the mounting piece 13.
b, the through hole 16 provided in the mounting frame 4a of the wheel frame 4 is matched with the through hole 7, and similarly as when the brake shoe 10 is fastened to the carrier 2, the fixing bolt 8 is made to penetrate them and the tip of the bolt is tightened. The loading platform 2 is tightened by screwing to the screw cylinder 9.
It is hung on.
【００１５】前記ペダル１１は、踏面を構成する中央部
片１１ａの両側に側部片１１ｂ，１１ｂを相対設した断
面溝形枠体で成り、中央部片１１ａの先端部を切欠し、
該切欠部を通じて前記側部片１１ｂ，１１ｂの先端部間
に前記支持片１３の中央部片１３ｂを配し、該中央部片
１３ａに対してペダル１１が自在に回動するように前記
支軸１２によって中央部片１３ａすなわち、支持片１３
に側部片１１ｂを枢着したものである。The pedal 11 is formed of a groove frame having a cross section in which side pieces 11b and 11b are provided on both sides of a center piece 11a constituting a tread surface, and a front end of the center piece 11a is cut off.
A center piece 13b of the support piece 13 is disposed between the front end portions of the side pieces 11b, 11b through the notch, and the support shaft is rotated so that the pedal 11 can freely rotate with respect to the center piece 13a. 12, the center piece 13a, that is, the support piece 13
The side piece 11b is pivotally mounted on the side piece.
【００１６】ペダル１１は前端部側（側部片１ｂの前端
部側）が、ブレーキシュー１０の前記先端部側の上面に
常時接する位置に配され、車輪６が自由状態にあるとき
は、前記側部片１１ｂの前端部側に形成した直線状の接
触縁１８がブレーキシュー１０に接して支軸１２を中心
とする回動が規制され、全体としてほぼ水平状態を維持
し、中央部片１１ａの先端側が荷台２より突出して足先
で押下できるようになっている。The pedal 11 is disposed at a position where the front end side (the front end side of the side piece 1b) is always in contact with the upper surface of the brake shoe 10 at the front end side, and when the wheel 6 is in a free state, The linear contact edge 18 formed on the front end side of the side piece 11b comes into contact with the brake shoe 10 so that the rotation about the support shaft 12 is restricted, and as a whole, a substantially horizontal state is maintained. Is protruded from the carrier 2 and can be pressed down with the toes.
【００１７】ペダル１１の前記接触縁１８に隣接する位
置には、側部片１１ｂを円弧状に切欠して、この切欠と
前記接触縁１８との間を前記ブレーキシュー１０の押圧
縁１９と成し、この押圧縁１９がブレーキシュー１０と
の対向位置に変位することによりブレーキシュー１０は
車輪６に圧接して車輪の制動を行う。At a position adjacent to the contact edge 18 of the pedal 11, a side piece 11b is cut out in an arc shape, and a space between the notch and the contact edge 18 is formed as a pressing edge 19 of the brake shoe 10. When the pressing edge 19 is displaced to a position facing the brake shoe 10, the brake shoe 10 is pressed against the wheel 6 to brake the wheel.
【００１８】押圧縁１９は、ブレーキシュー１０を押圧
した状態の位置にあるとき、図３で示す通り車輪６の車
軸５と支軸１２を結ぶ仮想線ａより荷台２の前端側（車
輪枠４側）にあって、ブレーキシュー１０がその弾性に
より原位置（非制動状態位置）に復帰しようとしても
（図１では半時計廻り方向）、その位置関係によりブレ
ーキシュー１０の動きに確実に規制して、車輪６の制動
状態は維持される。When the pressing edge 19 is at a position where the brake shoe 10 is pressed, the front end side of the loading platform 2 (the wheel frame 4) with respect to an imaginary line a connecting the axle 5 of the wheel 6 and the support shaft 12 as shown in FIG. Side), the brake shoe 10 attempts to return to the original position (non-braking state position) due to its elasticity (in the counterclockwise direction in FIG. 1), but the movement of the brake shoe 10 is reliably restricted by the positional relationship. Thus, the braking state of the wheel 6 is maintained.
【００１９】しかして、ペダル１１の先端側を押下する
と、ペダル１１は支軸１２を中心に回動し、この回動に
伴ってブレーキシュー１０を押圧し、ブレーキシュー１
０は弾性変形して車輪６に圧接して図３の状態となっ
て、車輪６の転動を規制する。When the distal end of the pedal 11 is depressed, the pedal 11 rotates around the support shaft 12, and presses the brake shoe 10 with this rotation, and the brake shoe 1
Numeral 0 is elastically deformed and pressed against the wheel 6 to be in the state shown in FIG.
【００２０】[0020]
【発明の効果】本発明は前記の通りの構成であるから、
ペダルを足先で押下することにより、弾性変形を利用し
てブレーキシューを車輪に圧接させてその制動を行うこ
とができ、ペダルを原位置に復帰させると、ブレーキシ
ューは自身の弾性によって原位置に復帰し、従って、簡
単な構造で確実に車輪の制動を行える装置を提供でき
る。The present invention has the configuration described above,
By pressing the pedal with the tip of the foot, the brake shoe can be pressed against the wheel using elastic deformation and braking can be performed.When the pedal is returned to the original position, the brake shoe is returned to its original position by its own elasticity. Therefore, it is possible to provide a device which can reliably brake the wheels with a simple structure.
【図１】断面図。FIG. 1 is a sectional view.
【図２】図１のｘ−ｘ線断面図。FIG. 2 is a sectional view taken along line xx of FIG. 1;
【図３】制動状態の一部拡大断面図。FIG. 3 is a partially enlarged sectional view of a braking state.
【図４】手押し運搬車の斜視図。FIG. 4 is a perspective view of a cart.
２ 荷台 ４ 車輪枠 ６ 車輪 １０ ブレーキシュー １１ ペダル １２ 支軸 １３ 支持片 2 carrier 4 wheel frame 6 wheels 10 brake shoe 11 pedal 12 support shaft 13 support piece
Claims (2)
片に車輪を回動自在に枢着した車輪枠を、荷台の後端に
前記取付部片において止着した手押し運搬車において、
基部を前記取付部片の前端側において前記荷台に止着し
た、弾性変形可能な、板状のブレーキシューの自由端側
の先端部を、前記取付部片と前記車輪との間の間隙を通
じて前記取付部片の後端側に配設し、該先端部を介して
前記車輪に圧接するペダルを、前記荷台に吊設した支持
片に支軸によって回動自在に枢着した、手押し運搬車の
固定車輪制動装置。1. A hand-carriage having a wheel frame rotatably pivotally mounted on side pieces connected to opposite sides of a mounting piece at the rear end of a loading platform at the mounting piece. At
The front end of the elastically deformable, plate-shaped brake shoe having the base fixed to the carrier at the front end side of the mounting piece is passed through a gap between the mounting piece and the wheel. A hand-carriage truck in which a pedal disposed on the rear end side of the mounting piece and pressed against the wheel via the tip portion is pivotally attached to a support piece suspended from the carrier by a support shaft. Fixed wheel braking device.
支持片を構成する取付部片のそれぞれ重ね合わせ、これ
らに固定ボルトを貫通させて荷台に締付けた請求項１記
載の手押し運搬車の固定車輪制動装置。2. A mounting shoe, comprising: a base of a brake shoe;
2. The fixed wheel braking device for a cart according to claim 1, wherein the mounting pieces constituting the supporting piece are overlapped with each other, and fixed bolts are passed through the mounting pieces and fastened to the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000073564A JP2001260827A (en) | 2000-03-16 | 2000-03-16 | Stationary wheel braking device of hand carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000073564A JP2001260827A (en) | 2000-03-16 | 2000-03-16 | Stationary wheel braking device of hand carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001260827A true JP2001260827A (en) | 2001-09-26 |
Family
ID=18591792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000073564A Pending JP2001260827A (en) | 2000-03-16 | 2000-03-16 | Stationary wheel braking device of hand carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001260827A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003237549A (en) * | 2001-12-12 | 2003-08-27 | Kunio Hotta | Vehicle brake |
| JP2019104495A (en) * | 2019-04-04 | 2019-06-27 | ジー・オー・ピー株式会社 | Carriage truck |
| JP2020196446A (en) * | 2020-09-08 | 2020-12-10 | ジー・オー・ピー株式会社 | Carriage truck |
-
2000
- 2000-03-16 JP JP2000073564A patent/JP2001260827A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003237549A (en) * | 2001-12-12 | 2003-08-27 | Kunio Hotta | Vehicle brake |
| JP2019104495A (en) * | 2019-04-04 | 2019-06-27 | ジー・オー・ピー株式会社 | Carriage truck |
| JP2020196446A (en) * | 2020-09-08 | 2020-12-10 | ジー・オー・ピー株式会社 | Carriage truck |
| JP7134500B2 (en) | 2020-09-08 | 2022-09-12 | ジー・オー・ピー株式会社 | trolley |
| JP2022169680A (en) * | 2020-09-08 | 2022-11-09 | ジー・オー・ピー株式会社 | Conveyance dolly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040127 |