JP2004024696A - Electric wheelchair - Google Patents

Electric wheelchair Download PDF

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Publication number
JP2004024696A
JP2004024696A JP2002188132A JP2002188132A JP2004024696A JP 2004024696 A JP2004024696 A JP 2004024696A JP 2002188132 A JP2002188132 A JP 2002188132A JP 2002188132 A JP2002188132 A JP 2002188132A JP 2004024696 A JP2004024696 A JP 2004024696A
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JP
Japan
Prior art keywords
battery
wheelchair
electric wheelchair
frame
frames
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
JP2002188132A
Other languages
Japanese (ja)
Inventor
Nagayoshi Sato
佐藤 永佳
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.)
Miki Corp
Original Assignee
Miki Corp
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 Miki Corp filed Critical Miki Corp
Priority to JP2002188132A priority Critical patent/JP2004024696A/en
Publication of JP2004024696A publication Critical patent/JP2004024696A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric wheelchair which does not require a battery attaching member, and the battery does not become a hindrance. <P>SOLUTION: This electric wheelchair includes a hollow frame structure in at least a part of a base frame, so as to store the battery 7 inside a hollow frame 37. The battery 7 is stored inside the frame 37 so as to prevent outer interference, and does not become the hindrance. The base frame has a structure where left and right side frames 3 are connected by one or not less than two X frames. When the X frames are connected at a center so as to be mutually rotatable, the electric wheelchair is easily folded. The battery 7 does not disturb the folding of the wheelchair. Spaces in the lower or side parts, or the like, of the wheelchair defined as the storage space for the battery 7 are utilized to store other articles. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【産業上の利用分野】
本発明はモーターに電気を供給するためのバッテリーが邪魔にならない電動車椅子に関するものである。
【0002】
【従来の技術】
病人や老人等自力で走行させることが困難な人が車椅子を使用する場合、介助者が押して走行させることが必要であるが、人を乗せて車椅子を押すことは介助者にとって大きな労力を必要とした。そこでモーターで走行する電動車椅子が提供されている。
【0003】
従来の電動車椅子(9) は図11に示すように基枠に架台(91)を架け渡し、該架台(91)の上にモーターに電源を供給するバッテリー(97)を載置するか、図12に示すように電動車椅子(9A)の背もたれ部(92)の裏側に収納ポケット(92A) を設けて、該収納ポケット(92A) にバッテリー(97)を収納していた。
【0004】
【発明が解決しようとする課題】
しかし上記従来構成では、車椅子(9) にバッテリー(97)を取り付けるために架台(91)や収納ポケット(92A) といった部材が必要であり、コストアップにつながっていた。また架台(91)にバッテリー(97)を載置したり収納ポケット(92A) にバッテリー(97)を収納すると、バッテリー(97)が外側にかさ張って邪魔になったり、他の備品や介助用品を収納するスペースがなくなってしまうという問題点があった。また折り畳み可能な電動車椅子の場合、折り畳み時にいちいち架台とバッテリーを取り外す必要があったり、あるいは収納ポケット内からバッテリーを取り出す必要があったりして取り扱いが不便であった。
【0005】
【課題を解決するための手段】
本発明は上記従来の課題を解決するための手段として、基枠の少なくとも一部に中空フレーム構造を有し、該中空フレーム(37,83) 内部にバッテリー(7) を収納した電動車椅子(1) を提供するものである。
該基枠は左右側枠(3,3) を一個または二個以上のX枠(5) で連結した構造であって、該X枠(5) は中央Cで相互回動可能に結合されていることが望ましい。
【0006】
【作用】
本発明では電動車椅子(1) は基枠の少なくとも一部に中空フレーム構造を有し、バッテリー(7) を該中空フレーム(37,37) 内部に収納する。そうすればバッテリー(7) は外部に干渉しない。
該基枠において、左右側枠(3,3) を一個または二個以上のX枠(5) で連結した構造とし、該X枠(5) を中央Cで相互回動可能に結合すると、電動車椅子(1) を簡単に折り畳むことができるが、本発明ではバッテリー(7) は車椅子折り畳みに干渉しない。
【0007】
本発明において基枠とは、例えば側枠や側枠を結合する水平杆やX枠等の電動車椅子の骨組みを構成する全ての部分をいうものとする。
【0008】
【発明の実施の形態】
本発明を図1〜図8 に示す一実施例によって説明すれば、図1〜2に示す車椅子(1) は左右一対の側枠(3,3) からなり該側枠(3,3) は座梁部(31)、前後脚柱部(32,33) 、アームレスト部(34)、背柱部(35)、フットレスト支持梁(36)および下梁(37)からなり、該側枠(3,3) は前後一対のX枠(5,5) によって結合されている。
【0009】
該一対の側枠(3,3) の背柱部(35,35) 間には背布(42)が差し渡され, フットレスト支持梁(36,36) には左右一対のフットレスト(43,43) が横方向に跳ね上げ可能に取り付けられている。
さらにアームレスト部(34)上面にはアームレストパッド(44)が取り付けられ、背柱部(35)上端は屈曲されて把手(45)が取り付けられている。また一方の把手(45)の側部には電動モーター(6) の操作盤(46)が取り付けられている。
【0010】
前脚柱部(32,32) には一対の前輪(47,47) が取り付けられており、後脚柱部(33,33) の外側には軸(6A,6A)を介して一対の後輪(48,48) が取り付けられている。また該軸(6A,6A) は該後脚柱部(33,33) の内側に取り付けられている電動モーター(6,6) に連結している。
【0011】
図3に示すように下梁(37)は後端に電源コード(71)引き出し用の切欠き(37a )が設けられた断面多角形(六角形)の中空フレームであり、該中空フレーム(37)内には図4〜図5に示すように円柱状のバッテリー(7) が収納されている。該中空フレーム(37)を断面多角形状(四角形、六角形等)にすれば、バッテリー(7) を安定に該中空フレーム(37)内に設置することができる。該下梁(37)の前後端にはキャップ(37b) が嵌着され、後端の切欠き(37a) から引き出された電源コード(71)は電動モーター(7) に接続している。
【0012】
左右の側枠(3,3) を結合している前後一対のX枠(5,5) は図6に示すように中心Cを支点に相互回動可能に連結されている一対の回動杆(5A,5A) からなり、該回動杆(5A,5A) の上端には一対の円筒状の上側杆(51,51) が差し渡され、該一対の回動間(5A,5A) の下端には一対の円筒状の下側杆(52,52) が差し渡されている。そして図7に示すように該一対の上側杆(51,51) には座布(31)が差し渡されている。
【0013】
該下側杆(52,52) は、下梁(37)の側部内側から差し出される前後一対のブラケット(37C) に回転可能に軸支され、該上側杆(51,51) は座梁部(4) から差し出されている前後一対の杆受け(31a,31a) 上に受止されている。下側杆(52,52) はブラケット(37c) に回転可能に軸支されているので上側杆(51,51) を杆受け(31a,31a) から引き上げるとX枠(5,5) は中心Cを介しても回動して縮巾し、図8に示すように電動車椅子(1) は簡単に折り畳むことができる。この際バッテリー(7) は前記したように左右側枠(3,3) の中空フレーム(37)内に収納されているので車椅子(1) の折り畳みの邪魔にならない。
【0014】
またバッテリー(7) を中空フレーム(37)内に収納すれば、バッテリー(7) が外部に露出せず車椅子の見栄えが良くなり、かつ雨水等からバッテリー(7) が保護される。
【0015】
図9および図10には他の実施例を示す。本実施例の電動車椅子(8) は左右一対の側枠が4本の水平杆(85,85,85,85) によって結合されている。
【0016】
また下梁(83,83) は断面多角形(四角形)の中空フレームであり、該中空フレーム(83,83) 内に直方体状のバッテリー(図示しない) が収納されている。したがって、座部の下方にスペースが確保され、例えば収納ボックスを設置して介助用品等他の備品の収納スペースとして利用できる。
【0017】
本発明において、バッテリーが収納される中空フレーム部はバッテリーが収納できれば、どのような形状でもよく、例えば小型の円柱状バッテリーを円筒形の中空フレームに収納してもよいが、前記したように断面多角形状の中空フレームでは、バッテリーを安定に設置することができる。
【0018】
【発明の効果】
本発明では、バッテリーが基枠内に収納されるので、バッテリー収納用の部材を取り付ける必要がなく、そしてバッテリーが外出しないので邪魔にならず取り扱いが便利である。また、従来バッテリー収納スペースになっていた車椅子の下方や側方等のスペースを例えば介助備品等の収納に利用できる。
【図面の簡単な説明】
図1〜図8は本発明の一実施例を示すものである。
【図1】斜視図
【図2】正面図
【図3】下梁一部省略斜視図
【図4】バッテリー斜視図
【図5】バッテリー収納状態説明斜視図
【図6】X枠取付け構造説明斜視図
【図7】座布斜視図
【図8】折り畳み状態正面図図9〜図10は本発明の他の実施例を示すものである。
【図9】斜視図
【図10】正面図
【図11】従来例の電動車椅子斜視図
【図12】他の従来例の電動車椅子斜視図
【符号の説明】
1             電動車椅子
3             側枠
5             X枠
37,83           中空フレーム
[0001]
[Industrial application fields]
The present invention relates to an electric wheelchair in which a battery for supplying electricity to a motor does not get in the way.
[0002]
[Prior art]
When a wheelchair is used by a person who is difficult to run on their own, such as a sick person or an elderly person, it is necessary for the assistant to push the wheelchair, but pushing the wheelchair with a person on it requires a lot of labor for the assistant did. Therefore, an electric wheelchair that runs on a motor is provided.
[0003]
In the conventional electric wheelchair (9), as shown in FIG. 11, a pedestal (91) is placed on a base frame, and a battery (97) for supplying power to the motor is placed on the pedestal (91). 12, a storage pocket (92A) was provided on the back side of the backrest (92) of the electric wheelchair (9A), and the battery (97) was stored in the storage pocket (92A).
[0004]
[Problems to be solved by the invention]
However, in the above conventional configuration, in order to attach the battery (97) to the wheelchair (9), members such as the gantry (91) and the storage pocket (92A) are required, leading to an increase in cost. Also, if the battery (97) is placed on the gantry (91) or the battery (97) is stored in the storage pocket (92A), the battery (97) may become bulky on the outside and interfere with other equipment or assistance items. There was a problem that there was no space to store. In the case of an electric wheelchair that can be folded, it is inconvenient to handle because it is necessary to remove the stand and the battery each time it is folded, or it is necessary to take out the battery from the storage pocket.
[0005]
[Means for Solving the Problems]
As a means for solving the above-described conventional problems, the present invention provides an electric wheelchair (1) having a hollow frame structure in at least a part of a base frame and housing a battery (7) inside the hollow frame (37, 83). ).
The base frame has a structure in which left and right side frames (3, 3) are connected by one or more X frames (5), and the X frame (5) is coupled to each other at a center C so as to be capable of mutual rotation. It is desirable.
[0006]
[Action]
In the present invention, the electric wheelchair (1) has a hollow frame structure in at least a part of the base frame, and the battery (7) is accommodated inside the hollow frame (37, 37). Then the battery (7) will not interfere with the outside.
In the base frame, when the left and right side frames (3, 3) are connected by one or more X frames (5), and the X frame (5) is coupled at the center C so as to be capable of mutual rotation, Although the wheelchair (1) can be easily folded, the battery (7) does not interfere with the wheelchair folding in the present invention.
[0007]
In the present invention, the base frame refers to all parts constituting the framework of the electric wheelchair such as a side frame and a horizontal rod that joins the side frames and an X frame.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
1 to 8, the wheelchair (1) shown in FIGS. 1 and 2 is composed of a pair of left and right side frames (3, 3). It consists of a seat beam part (31), front and rear leg parts (32, 33), an armrest part (34), a back pillar part (35), a footrest support beam (36) and a lower beam (37). , 3) are connected by a pair of front and rear X frames (5, 5).
[0009]
A back cloth (42) is inserted between the back column portions (35, 35) of the pair of side frames (3, 3), and a pair of left and right footrests (43, 43) are provided on the footrest support beam (36, 36). ) Is attached so that it can be flipped up horizontally.
Further, an armrest pad (44) is attached to the upper surface of the armrest part (34), and an upper end of the back column part (35) is bent and a handle (45) is attached. An operation panel (46) of an electric motor (6) is attached to the side of one handle (45).
[0010]
A pair of front wheels (47, 47) are attached to the front leg pillars (32, 32), and a pair of rear wheels are arranged on the outside of the rear leg pillars (33, 33) via shafts (6A, 6A). (48, 48) are attached. The shaft (6A, 6A) is connected to an electric motor (6, 6) attached to the inner side of the rear leg column (33, 33).
[0011]
As shown in FIG. 3, the lower beam (37) is a polygonal (hexagonal) hollow frame provided with a notch (37a) for drawing out the power cord (71) at the rear end. In FIG. 4-5, a cylindrical battery (7) is housed. If the hollow frame (37) has a polygonal cross section (square, hexagon, etc.), the battery (7) can be stably installed in the hollow frame (37). Caps (37b) are fitted to the front and rear ends of the lower beam (37), and the power cord (71) drawn from the notch (37a) at the rear end is connected to the electric motor (7).
[0012]
A pair of front and rear X frames (5, 5) connecting the left and right side frames (3, 3) is a pair of pivot rods connected to each other with a center C as a fulcrum as shown in FIG. (5A, 5A), and a pair of cylindrical upper rods (51, 51) are passed over the upper ends of the pivot rods (5A, 5A). A pair of cylindrical lower ridges (52, 52) is passed to the lower end. As shown in FIG. 7, a seat cloth (31) is passed between the pair of upper ridges (51, 51).
[0013]
The lower rod (52, 52) is rotatably supported by a pair of front and rear brackets (37C) that are inserted from the inner side of the lower beam (37), and the upper rod (51, 51) is a seat beam. It is received on a pair of front and rear saddle supports (31a, 31a) which are extended from the part (4). Since the lower hook (52, 52) is rotatably supported by the bracket (37c), when the upper hook (51, 51) is lifted from the hook receiver (31a, 31a), the X frame (5, 5) is centered. The electric wheelchair (1) can be easily folded as shown in FIG. At this time, since the battery (7) is housed in the hollow frame (37) of the left and right side frames (3, 3) as described above, it does not interfere with the folding of the wheelchair (1).
[0014]
If the battery (7) is housed in the hollow frame (37), the battery (7) is not exposed to the outside, the appearance of the wheelchair is improved, and the battery (7) is protected from rainwater and the like.
[0015]
9 and 10 show another embodiment. In the electric wheelchair (8) of the present embodiment, a pair of left and right side frames are connected by four horizontal rods (85, 85, 85, 85).
[0016]
The lower beam (83, 83) is a hollow frame having a polygonal cross section (square), and a rectangular parallelepiped battery (not shown) is accommodated in the hollow frame (83, 83). Therefore, a space is secured below the seat, and for example, a storage box can be installed and used as a storage space for other equipment such as assistance items.
[0017]
In the present invention, the hollow frame portion in which the battery is accommodated may have any shape as long as the battery can be accommodated. For example, a small columnar battery may be accommodated in the cylindrical hollow frame. With the polygonal hollow frame, the battery can be stably installed.
[0018]
【The invention's effect】
In the present invention, since the battery is accommodated in the base frame, it is not necessary to attach a member for accommodating the battery, and the battery does not go out, so that it is convenient and easy to handle. In addition, the space under the wheelchair and the side of the wheelchair, which has conventionally been a battery storage space, can be used for storing, for example, assistance equipment.
[Brief description of the drawings]
1 to 8 show an embodiment of the present invention.
FIG. 1 is a perspective view. FIG. 2 is a front view. FIG. 3 is a perspective view in which a lower beam is partially omitted. FIG. 4 is a battery perspective view. FIG. 7 is a perspective view of a seat cloth. FIG. 8 is a front view of a folded state. FIGS. 9 to 10 show another embodiment of the present invention.
FIG. 9 is a perspective view. FIG. 10 is a front view. FIG. 11 is a perspective view of a conventional electric wheelchair. FIG. 12 is a perspective view of another conventional electric wheelchair.
1 Electric Wheelchair 3 Side Frame 5 X Frame 37, 83 Hollow Frame

Claims (2)

基枠の少なくとも一部に中空フレーム構造を有し、該中空フレーム内部にバッテリーを収納したことを特徴とする電動車椅子。An electric wheelchair characterized by having a hollow frame structure in at least a part of a base frame and storing a battery in the hollow frame. 該基枠は左右側枠を一個または二個以上のX枠で連結した構造であって、該X枠は中央で相互回動可能に結合されている請求項1に記載の電動車椅子。2. The electric wheelchair according to claim 1, wherein the base frame has a structure in which left and right side frames are connected by one or two or more X frames, and the X frames are coupled to each other so as to be rotatable in the center.
JP2002188132A 2002-06-27 2002-06-27 Electric wheelchair Pending JP2004024696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002188132A JP2004024696A (en) 2002-06-27 2002-06-27 Electric wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002188132A JP2004024696A (en) 2002-06-27 2002-06-27 Electric wheelchair

Publications (1)

Publication Number Publication Date
JP2004024696A true JP2004024696A (en) 2004-01-29

Family

ID=31182967

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8688598B1 (en) 2005-03-10 2014-04-01 Amazon Technologies, Inc. System and method for visual verification of order processing
JP2014171607A (en) * 2013-03-07 2014-09-22 Aisin Seiki Co Ltd Electric wheel chair
US10460464B1 (en) 2014-12-19 2019-10-29 Amazon Technologies, Inc. Device, method, and medium for packing recommendations based on container volume and contextual information

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8688598B1 (en) 2005-03-10 2014-04-01 Amazon Technologies, Inc. System and method for visual verification of order processing
US9626712B1 (en) 2005-03-10 2017-04-18 Amazon Technologies, Inc. System and method for visual verification of order processing
US10083478B2 (en) 2005-03-10 2018-09-25 Amazon Technologies, Inc. System and method for visual verification of order processing
JP2014171607A (en) * 2013-03-07 2014-09-22 Aisin Seiki Co Ltd Electric wheel chair
US10460464B1 (en) 2014-12-19 2019-10-29 Amazon Technologies, Inc. Device, method, and medium for packing recommendations based on container volume and contextual information

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