CN205832050U - Wheelchair - Google Patents

Wheelchair Download PDF

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Publication number
CN205832050U
CN205832050U CN201620518513.6U CN201620518513U CN205832050U CN 205832050 U CN205832050 U CN 205832050U CN 201620518513 U CN201620518513 U CN 201620518513U CN 205832050 U CN205832050 U CN 205832050U
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China
Prior art keywords
body side
framework
ancon
wheelchair
side frames
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CN201620518513.6U
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Chinese (zh)
Inventor
板野司
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SUWANY CO Ltd
Swany Corp
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SUWANY CO Ltd
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Priority to CN201620518513.6U priority Critical patent/CN205832050U/en
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Publication of CN205832050U publication Critical patent/CN205832050U/en
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Abstract

A kind of wheelchair, possesses: connect a pair liang of body side frame (1) driving wheel (3) in outside；Connect a pair liang of body side frame (1) and the folding connecting rod (2) of upper end connection seat portion framework (6)；Seat portion sheet (7) being connected with seat portion framework (6)；Universal trundle (4)；And leg rest platform (8).Two body side frames (1) possess to ancon framework (12), upper and lower frames (14), underframe (11), central frame (15) and front baffle (13), in the frame surface (1A) that ancon framework (12), central frame (15) and front baffle (13) are configured at as vertical.Two body side frames (1) are fixed on the outside of upper and lower frames (14) bottom by being rotatably connected the axletree (30) driving wheel (3) with horizontal attitude, the inside lateral buckling of a part of upper and lower frames (14) and underframe (11) is processed, makes the fixed part (19) of axletree (30) be positioned at than frame surface (1A) position in the inner part.

Description

Wheelchair
Technical field
This utility model relates to a kind of wheelchair that can fold, particularly relate to a kind of can reduce under folded state overall Transverse width can carry out the wheelchair carried compactly.
Background technology
At present, it is possible to the wheelchair of folding is developed (with reference to patent documentation 1 and 2).The conventional wheelchair that can fold For the structure that two body side frames making both sides when folding are close to each other.For this wheelchair, the folding connecting rod using X shape will outward Side possesses two body side frames of the left and right driving wheel and is attached such that it is able to is folded by this folding connecting rod and makes the both sides of both sides Framework is close to each other.This wheelchair connects in the upper end of the folding connecting rod of X shape portion's bar, opens and set between the seat portion bar of left and right There is portion's sheet.Seat portion sheet, when being launched by folding connecting rod, is launched to become a portion, by folding connecting rod by this wheelchair Under the state folded, seat portion sheet is folded and is accommodated between folding connecting rod, or seat portion sheet is taken to the top of folding connecting rod Go out.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2003-38578 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2006-175021 publication
Utility model content
The problem that utility model is to be solved
The wheelchair of above structure can reduce, by being folded by folding connecting rod, the transverse width that wheelchair is overall.But, to energy For enough wheelchairs folded, if being additionally contemplates that and moving in a folded configuration or carry, then require to make in a folded configuration wheelchair Entirety is compacter.It addition, wheelchair is when launching to become portion by seat portion sheet, while widening the space in a portion The transverse width reducing entirety is the most critically important.
This utility model is developed for the purpose of solving disadvantages mentioned above.One of the purpose of this utility model is to provide Make overall compacter in a folded state it is thus possible to be easy to the mobile and wheelchair of carrying.
The effect of means and utility model for solving problem
In order to solve above problem, the first wheelchair of the present utility model possesses: a pair liang of body side frame, connects outside it There is driving wheel；Folding connecting rod, it connects a pair liang of body side frame, and upper end connection has portion's framework；Pliability seat portion sheet, its Both sides are connected with seat portion framework；Universal trundle, it is connected with the anterior of two body side frames, it is possible to change side in horizontal plane To；And leg rest platform, it is connected with two body side frames.Two body side frames possess: have supporting of the horizontal attitude to ancon at upper surface Ancon framework；The upper and lower frames being connected with the rearward end to ancon framework；The horizontal attitude being connected with the bottom of upper and lower frames Underframe；It is disposed in the central frame to ancon framework Yu the horizontal attitude of the centre of upper and lower frames；And by central frame The front baffle that is connected with underframe of front end, be configured at the frame as vertical to ancon framework, central frame and front baffle In frame face.And, axletree is fixed on the outside of the bottom of upper and lower frames by two body side frames with horizontal attitude, and described axletree will drive Motor car wheel is can connect in the way of rotating.For two body side frames, by the inside lateral bending of a part of upper and lower frames and underframe Folding processing, makes the fixed position of axletree in than frame surface position in the inner part.
Above-mentioned wheelchair has the feature of the overall transverse width that can reduce further under folded state.This is because This wheelchair makes the fixed position of the axletree of two body side frames in than frame surface position in the inner part.The wheelchair of this structure is due to can The wheel that drives of both sides is connected with two body side frames when being more nearly inner side, therefore, it is possible to reduce the horizontal stroke that wheelchair is overall To width, further such that the overall transverse width under folded state also reduces such that it is able to advantageously carry.Especially, Fixed part, by the framework constituting two body side frames is carried out bending process, is configured at the inner side of frame surface, therefore by this wheelchair While fixed part can simply and readily be configured at the fixed position of two body side frames, stably supporting drives wheel.
It addition, in the second wheelchair of the present utility model, underframe possesses: the main body frame portion being connected with upper and lower frames； The leading section being connected with the lower end of front baffle；And connecting main body frame portion and the connecting portion of leading section, leading section is configured at ratio The position that main body frame portion is high, the wheel of universal trundle is formed below by can be configured in leading section in the way of swinging Space.
The wheel of universal trundle is configured at the lower frame after bending process in the way of swinging freely by above-mentioned wheelchair The space formed below of frame, therefore, it is possible to make the universal trundle of swing not configure contiguously with underframe.Thus, energy Enough it is not intended to the motion of the wheel of universal trundle, makes universal trundle freely swing.
It addition, third round chair of the present utility model possesses: a pair liang of body side frame, connect outside it and have driving wheel；Folding Folded connecting rod, it connects the pair of two body side frames, and upper end connection has portion's framework；Pliability seat portion sheet, its both sides with Seat portion framework connects；Universal trundle, it is connected with the anterior of two body side frames, it is possible to change direction in horizontal plane；And put Footstool, it is connected with two body side frames.Universal trundle possesses: be fixed on the fixing axle of two body side frames；Relative to fixing axle at water The furcation rotatably connected in plane；And the wheel being rotatably connected with the front end of furcation.A pair both sides The fixing axle of universal trundle is fixed on the lateral surface of leading section by framework.And, make a pair liang of body side frame close and general's wheel Under the state that chair folds, it is positioned at the fixing axle base (D) of universal trundle of left and right and is set to the wheel than universal trundle Diameter (R) is big.
Above-mentioned wheelchair owing to the fixing axle of universal trundle to be fixed on the lateral surface of the leading section of two body side frames, because of This, the interval of the fixing axle expanding a pair universal trundle makes stability during traveling improve, and makes a pair liang of body side frame simultaneously Close to and under state that wheelchair is folded, it is possible to make the wheel of universal trundle of left and right swing without interfering with each other.Therefore, inciting somebody to action Under the state that wheelchair folds, it is also possible to make the wheel of the universal trundle of left and right freely swing, make wheelchair to desired direction Mobile.
It addition, fourth round chair of the present utility model possesses: a pair liang of body side frame, connect outside it and have driving wheel；Folding Folded connecting rod, it connects a pair liang of body side frame, and upper end connection has portion's framework；Pliability seat portion sheet, its both sides and seat portion Framework connects；Universal trundle, it is connected with the anterior of two body side frames, it is possible to change direction in horizontal plane；And leg rest platform, It is connected with two body side frames.Two body side frames possess upper surface have the horizontal attitude to ancon to ancon framework, described support The transverse width of ancon more than to the external diameter of ancon framework, and described to ancon relative to ancon framework the most prejudicially Configuration.
Above-mentioned wheelchair stably supports ancon and wrist by expanding the width supporting ancon framework, simultaneously relative to supporting Ancon framework configures the most prejudicially, therefore, and the not space, seat portion formed between ancon framework about constriction, user Can cosily take a seat.It addition, this wheelchair is when making a pair liang of body side frame close and to be folded by wheelchair, it is also possible to press down System is configured at the restriction of the configuration of the framework etc. of the inner side to ancon framework of left and right.
It addition, in the 5th wheelchair of the present utility model, described to ancon for possessing buffer unit on top and in institute The lower section stating buffer unit possesses the double-decker of supporting board.
In above-mentioned wheelchair, by utilizing buffer unit and supporting the supporting board composition of this buffer unit to elbow Portion such that it is able to utilize supporting board that soft buffer unit is stably supported such that it is able to stably to support mounting The ancon of user of upper surface and wrist in buffer unit.
It addition, in the 6th wheelchair of the present utility model, possess at the lower surface of supporting board to ancon and make to ancon frame The retention groove that frame is chimeric.
Above-mentioned wheelchair is by making to be embedded in the retention groove of supporting board to ancon framework, it is possible to by simple for supporting board and Easily and be firmly secured to the fixed position to ancon framework.
It addition, the 7th wheelchair of the present utility model possesses: a pair liang of body side frame, connect outside it and have driving wheel；Folding Folded connecting rod, it connects a pair liang of body side frame, and upper end connection has portion's framework；Pliability seat portion sheet, its both sides and seat portion Framework connects；Universal trundle, it is connected with the anterior of two body side frames, it is possible to change direction in horizontal plane；And leg rest platform, It is connected with two body side frames.Two body side frames possess: upper surface have the horizontal attitude to ancon to ancon framework；With to elbow The upper and lower frames that the rearward end of portion's framework connects, in the upper end of upper and lower frames, folding to connect freely via connector has handle Portion.Connector possesses: connecting portion, and described connecting portion is fixed in the upper end of upper and lower frames；Rotation section, it is relative to even Connecing fixed part to be rotatably connected, handle portion is fixed on described rotation section；Card locking mechanism, it makes connecting portion and rotation Portion connects under locking state；And action bars, it is for releasing the locking state of connecting portion and rotation section.Connector quilt It is formed to control locking state and action bars that upper and lower frames and handle portion connect with linearity operated, so that handle The non-locking state that portion is folded to the rear of upper and lower frames.
Above-mentioned wheelchair is by folding the handle portion being connected with the upper end of upper and lower frames such that it is able to receive compactly.Special Not, this wheelchair is owing to being connected handle portion with the upper end of upper and lower frames via connector, therefore, it is possible in the locking of connector The attitude in joystick portion under state and non-locking state.
It addition, in the 8th wheelchair of the present utility model, connector possesses buffering between connecting portion and rotation section Parts, under the locking state of connecting portion and rotation section, utilize connecting portion and rotation section flexibly to clamp buffer part Part.
Above-mentioned wheelchair is configured at connection admittedly owing to flexibly clamping under the locking state of connecting portion and rotation section Determine the buffer unit between portion and rotation section, during therefore, it is possible to rotation section and connecting portion are connected under locking state by mitigation Collision, and the fine vibration etc. under locking state can be suppressed.
It addition, in the 9th wheelchair of the present utility model, connector is when pressing action bars towards handle portion Locking state can be released, and locking shape can be released when by action bars to the direction stretching contrary with handle portion State.
Above-mentioned wheelchair due to by by the action bars of connector towards handle portion press or by action bars round about Stretching is it is thus possible to release locking state, therefore by making action bars move to either direction, it is possible to release locking shape simply State and by handle portion fold.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the wheelchair of an embodiment of the present utility model.
Fig. 2 is the side view of the wheelchair shown in Fig. 1.
Fig. 3 is the front view of the wheelchair shown in Fig. 1.
Fig. 4 is the rearview of the wheelchair shown in Fig. 1.
Fig. 5 is the upward view of the wheelchair shown in Fig. 1.
Fig. 6 is the axonometric chart of the frame structure representing the wheelchair shown in Fig. 1.
Fig. 7 is the front view representing the state folded by the wheelchair shown in Fig. 3.
Fig. 8 is the side view representing state leg rest platform and the handle portion of the wheelchair shown in Fig. 2 folded.
Fig. 9 is the amplification stereogram in the seat portion of the wheelchair shown in Fig. 1.
Figure 10 is the amplification stereogram of the leg rest platform of the wheelchair shown in Fig. 1.
Figure 11 is the amplification plan view of the footrest of the wheelchair shown in Fig. 1.
Figure 12 is the amplification plan view of the supporting strip of the wheelchair shown in Fig. 1.
Figure 13 is the partial sectional view along XIII-XIII line of Fig. 1.
Figure 14 is the amplification exploded perspective view of the parking brake of the wheelchair shown in Fig. 1.
Figure 15 A and Figure 15 B is the enlarged side view of the operating state representing parking brake.
Figure 16 is the amplification view of the connector of the wheelchair shown in Fig. 2.
Detailed description of the invention
Hereinafter, based on accompanying drawing, embodiment of the present utility model is illustrated.But, embodiment described below is to illustrate The embodiment of the wheelchair for technological thought of the present utility model is embodied, this utility model be not intended to be defined to wheelchair with Under embodiment.It addition, this specification is not intended to be defined to the parts shown in utility model right claim the portion of embodiment Part.
The wheelchair that an embodiment of the present utility model relates to is shown in Fig. 1 to Fig. 8.Fig. 1 represents the axonometric chart of wheelchair, Fig. 2 to Fig. 5 represents the side view of the wheelchair shown in Fig. 1, front view, rearview and upward view, and Fig. 6 represents shown in Fig. 1 The axonometric chart of the frame structure of wheelchair, Fig. 7 is the front view representing the state folded by the wheelchair shown in Fig. 3, and Fig. 8 is difference table Show the side view of state leg rest platform and the handle portion of the wheelchair shown in Fig. 2 folded.Wheelchair shown in these figures possesses: Outside connects a pair liang of body side frame 1 driving wheel 3；Connect a pair liang of body side frame 1 and connection has portion's framework 6 in upper end Folding connecting rod 2；The pliability seat portion sheet 7 that two ends are connected with the seat portion framework 6 of this folding connecting rod 2；Front portion with two body side frames 1 Connect and nyctitropic universal trundle 4 can be changed in horizontal plane；And the leg rest platform 8 being connected with two body side frames 1.
Wheelchair shown in these figures has a pair liang of body side frame 1 driving wheel 3 can pass through to fold by connecting in both sides The mode that connecting rod 2 folds connects.As shown in Figure 3 and Figure 6, folding connecting rod 2 connects in upper end portion's framework 6, connects in lower end There is underframe 11.So by being connected with two body side frames 1 by folding connecting rod 2, two body side frames 1 of left and right are made to be integrally forming.Such as Fig. 7 Shown in, folding connecting rod 2 is folded in the way of two body side frames 1 about making are close to each other by this wheelchair such that it is able to constriction is horizontal Width.It addition, when make left and right two body side frames 1 be separated from each other launch, with the seat portion framework 6 of folding connecting rod 2 The seat portion sheet 7 connected is opened is set to a portion 5.
(two body side frames 1)
Two body side frames 1 possess: upper surface have the horizontal attitude to ancon 20 to ancon framework 12；Ancon is supported with this The upper and lower frames 14 that the rearward end of framework 12 connects；Underframe with the horizontal attitude that the bottom of this upper and lower frames 14 is connected 11；It is configured at the central frame 15 to ancon framework 12 with the horizontal attitude of the centre of underframe 11；By this central frame 15 The front baffle 13 that front end is connected with underframe 11；And the leading section of central frame 15 is connected with to the leading section of ancon framework 12 The connection framework 16 connect.Each framework constituting two body side frames 1 is metal tube, by these metal tubes by methods such as welding even Connect.
It addition, for two body side frames 1, be provided with in the bottom of upper and lower frames 14 and connect the fixed part driving wheel 3 19.As shown in Figure 6, fixed part 19 is carried out even the most highlightedly by pivotally connecting the axletree 30 driving wheel 3 Connect.It addition, as shown in Figure 4 and Figure 5, for two body side frames 1, the fixed part 19 being fixed with axletree 30 is arranged in ratio to ancon Framework 12 is located in the inner part.For two body side frames 1 of diagram, by the inside lateral bending of a part of upper and lower frames 14 and underframe 11 Folding so that the fixed part 19 of axletree 30 is positioned to be located in the inner part than to ancon framework 12.For two body side frames 1 of diagram, will be solid Determine portion 19 and be fixed on the fixed frame portion 14A of the bottom as upper and lower frames 14.Additionally, in this manual, framework flexes is made Use with the broad sense comprising the state making frame flex.
As it is shown in figure 5, for a pair liang of body side frame 1, will be to ancon framework 12, central frame 15, front baffle 13, connection Framework 16, the scaffold portion 14B on top and the leading section 11B of underframe 11 as upper and lower frames 14 are arranged in and are positioned at Same plane and be vertical frame surface 1A in, and using the fixed frame portion 14A of the bottom as upper and lower frames 14, as The main body frame portion 11A at the rear portion of underframe 11 is configured at and locates in the inner part than frame surface 1A.
(to ancon framework)
The top of the both sides in a portion 5 and the substantially surface of central frame 15 it is positioned at, with approximate horizontal to ancon framework 12 Attitude configuration.Should support ancon framework 12 possess at upper surface occupy a portion 5 user to ancon 20.
(underframe 11)
The lower section of the both sides that underframe 11 is positioned at a portion 5 configures.Underframe 11 is by the lower end with upper and lower frames 14 The leading section 11B that is connected with the lower end of front baffle 13 of main body frame portion 11A connected and connection main body frame portion 11A and front The connecting portion 11C of end 11B is constituted.About underframe 11, in the upward view shown in Fig. 5, main body frame portion 11A is positioned at and compares frame Frame face 1A locates in the inner part, and leading section 11B is positioned at frame surface 1A.For underframe 11, such as, a metal tube is carried out curved Folding processing such that it is able to connecting portion 11C and leading section 11B are set in the front of main body frame portion 11A.The body frame of underframe 11 Frame portion 11A configures along the longitudinal direction with horizontal attitude, and leading section 11B is with the level almost parallel relative to main body frame portion 11A Attitude configures.Underframe 11 in figure connects in the front end of leading section 11B and fixes the bottom of front baffle 13.
It addition, for underframe 11, in the side view shown in Fig. 2, leading section 11B is in than main body frame portion 11A The mode of the position of high a layer configures.Thus, in the space formed by the underframe 11 bent formed below of leading section 11B 47.The anterior universal trundle 4 being connected with two body side frames 1 can economical space saving be configured by this space 47, energy simultaneously The universal trundle 4 enough making swing does not configures contiguously with underframe 11.At two body side frames 1 of diagram, as underframe 11 and the coupling part of front baffle 13, universal trundle 4 it is configured with in the lower section of leading section 14B.This structure will not be to being fixed on The motion of the wheel 4A of the universal trundle 4 of front baffle 13 limits, it is possible to make universal trundle 4 swing freely.
(central frame 15)
For central frame 15, be connected in the middle of rear end and upper and lower frames 14, and by front end with extend downwards Front baffle 13 connect, this front baffle 13 is connected with underframe 11.For the central frame 15 shown in Fig. 6, by a gold The leading section belonging to pipe bends downwards and is formed as front baffle 13.Two body side frames 1 i.e., in the drawings, by central frame 15 and front Framework 13 is arranged by a metal tube is carried out bending process.Front baffle 13 in figure arranges with perpendicular attitude, its lower end It is connected with the front end of underframe 11.Central frame 15 is configured to be opened folding connecting rod 2 and makes seat portion under portion's sheet 7 open mode The height that framework 6 is positioned at.
(support 50)
It addition, as it is shown on figure 3, central frame 15 possesses in the state making two body side frames 1 be separated from each other and to open, i.e. seat portion Sheet 7 is opened to be set and becomes the support 50 of the state lower bearing support portion framework 6 in a portion 5.This central frame 15 makes portion's framework 6 On support 50, by 50 bearing portion frameworks 6 of support.For the central frame 15 shown in Fig. 3, will be to seat portion framework The support 50 carrying out keeping while 6 location is fixed in the way of side inside below central frame 15 is prominent.This The wheelchair planting structure has when making a pair liang of body side frame 1 be separated from each other and to open by being fixed on central frame 15 Support 50 can stably support the feature of the seat portion framework 6 of the body weight being applied with user.
(padded coaming 50A)
It addition, as it is shown on figure 3, support 50 is buffered material 50A covering.Padded coaming 50A in figure is by being formed as pipe The resin material of shape is constituted.By this padded coaming 50A, it is possible to shock when buffing pad portion framework 6 contacts with support 50.Separately Outward, by stoping metal seat portion framework 6 to contact with the direct of support 50, it is possible to prevent generation and the abrasion of metallic sound. Further, since this padded coaming 50A is tubulose, therefore, only by support 50 is inserted in this pipe, it becomes possible to pacify simply Dress.But, padded coaming 50A can also be formed as lid and cover support 50.
(connecting framework 16)
To connecting for framework 16, upper end is connected with from the leading section retracted position to ancon framework 12, lower end and from The anterior retracted position of central frame 15 connects.It addition, as shown in Figure 8, for two body side frames 1, connecting framework 16 Front, be provided with in the region between ancon framework 12 and central frame 15 for storage relative to two body side frames 1 fold putting The accommodation space 18 of footstool 8.The connection framework 16 of diagram, by making pars intermedia rearward bend, makes the storage being formed at front empty Between 18 widen.
(front baffle 13)
Front baffle 13 is positioned at the both sides of the front end in a portion 5, with substantially vertical attitude configuration, and by before central frame 15 End is connected with the front end of underframe 11.Front baffle 13 in figure connects the leg rest platform 8 in the front being configured at a portion 5.Diagram The be present front in portion 5, the outside of two body side frames 1 of wheelchair possesses a pair leg rest platform 8, and the front baffle 13 in left and right is connected to put Footstool 8.Leg rest platform 8 is to occupy a portion 5 to load the platform of foot, in the front end of the leg rest arm 41 being connected with front baffle 13 even later It is connected to load the footrest 42 of foot.For the leg rest platform 8 in figure, in the outside of two body side frames 1 with can be in vertical The mode folded connects leg rest arm 41, and in the front end of this leg rest arm 41 can rotate to horizontal attitude from perpendicular attitude Mode connects footrest 42.For leg rest platform 8, by the rear end of leg rest arm 41 with can relative to front baffle 13 along the longitudinal direction The mode rotated connects, and as shown in Figure 8, enables the rear end of leg rest arm 41 vertically to erect and to fold.So, leg rest platform 8 can be rolled over Folded structure has the advantages that to make wheelchair fold more compactly.
(upper and lower frames 14)
Upper and lower frames 14 is positioned at the both sides of the rear end in a portion 5, with substantially vertical attitude configuration.Upper shown in Fig. 4 and Fig. 6 Underframe 14 by the fixed frame portion 14A being connected with the rearward end of underframe 11 and with to ancon framework 12 and middle boxes The scaffold portion 14B that the rear end of frame 15 connects is constituted.For upper and lower frames 14, make fixed frame portion 14A be positioned at and compare framework Face 1A locates in the inner part, makes scaffold portion 14B be positioned at frame surface 1A.Upper and lower frames in figure is due to by fixed frame portion 14A It is configured at the inner side of frame surface 1A, therefore makes the inside lateral buckling in bottom of scaffold portion 14B, under this kink 14b Face is welded and fixed the upper end of frame section 14A and is fixed.For fixed frame portion 14A, lower end and the body frame of underframe 11 Frame portion 11A connects, and is provided with the fixed part 19 connecting the axletree 30 driving wheel 3 in bottom.
(fixed part 19)
As shown in Figure 6, fixed part 19 is by can connect the axletree 30 driving wheel 3 the most highlightedly in the way of rotating It is attached.Its profile of fixed part 19 shown in Fig. 4 and Fig. 6 is vertically extending prism-shaped.The fixed part of prism-shaped 19 are made up of the cylinder that section shape is rectangle, and the upper end being fixed on the cylindric pipe portion of upper end is fixed on scaffold The kink 14b of the lower end of portion 14B, and lower end is fixed on the upper surface of the rearward end of the main body frame portion 11A of underframe 11. For the fixed part 19 of quadrangular shape, the mode making lateral surface become the attitude parallel with frame surface 1A of two body side frames 1 is joined Put.As shown in Figure 6, the axletree 30 that the two sides about running through is inserted by this fixed part 19 is so that it is vertical relative to lateral surface Attitude is fixed highlightedly.For the upper and lower frames 14 shown in Fig. 4 and Fig. 6, to be fixed with the fixed part 19 of axletree 30 with It is positioned at and carries out bending process than the mode of frame surface 1A position in the inner part.
For the wheelchair shown in Fig. 4～Fig. 6, the fixed part 19 of axletree 30 is configured at the frame surface than two body side frames 1 1A position in the inner part.For two body side frames 1, the part of upper and lower frames 14 and underframe 11 is carried out bending to inner side and adds Work, makes fixed part 19 be positioned at than frame surface 1A position in the inner part.So, the fixed part 19 of axletree 30 is configured at compares frame surface Two body side frames 1 of 1A position in the inner part form the link position driving wheel 3 in inner side, therefore, it is possible to reduce wheelchair entirety Transverse width.It addition, as shown in Figure 4 and Figure 5, wheelchair possesses Jie to be protected with brake 90, this Jie is protected and is configured at brake 90 Drive between wheel 3 and fixed part 19.For this two body side frame 1, more inner than frame surface 1A by fixed part 19 is configured at The position of side, it is possible to Jie protected and economical space saving configure with brake 90, can reduce transverse width simultaneously.Such as Fig. 4 and Shown in Fig. 5, make the position of fixed part 19 be positioned at and can be set to join guaranteeing than the mobile width (t) of frame surface 1A position in the inner part While Jie of the inner side being placed in driving wheel 3 protects the configuration space with brake 90, it is configured at this Jie and protects with brake 90 The spoke 34 driving wheel 3 in outside does not contact the width of two body side frames 1.For example, it is contemplated that protect the thickness using brake 90 to being situated between, This mobile width (t) can be set to 10～45mm, is preferably set to 15～35mm.Such as, it is set to 25mm's to by this mobile width (t) For wheelchair, it is possible to so that the transverse width of wheelchair entirety is than the conventional little 50mm of wheelchair.
(handle portion 9)
It addition, for the wheelchair shown in Fig. 1, Fig. 2 and Fig. 6, connect folding hands in the upper end of upper and lower frames 14 Shank 9.Handle portion 9 is the parts bent in centre by metal tube, possess main part 9A that the upper end with upper and lower frames 14 is connected, And the kink 9B of handle part 49 it is fixed with in leading section.For handle portion 9, by the front end of main part 9A via connector 51 are connected with the upper end of scaffold portion 14B.
(connector 51)
Connector 51 by make handle portion 9 can in frame surface 1A rotation in the way of, by the front end of main part 9A with rotate Mode freely is connected with the upper end of upper and lower frames 14.It addition, connector 51 is set in upper and lower frames 14 and the main body of handle portion 9 The structure being locked under the state that portion 9A is configured to straight line shape.As shown in the amplification view of Figure 16, connector 51 possesses: Connecting portion 53, the upper end of upper and lower frames 14 and support the rear end of ancon framework 12 and be fixed on connecting portion 53；Rotation section 54, Rotation section 54 rotatably connects relative to this connecting portion 53, and rotation section 54 is fixed in the front end of main part 9A；Locking Mechanism 55, card locking mechanism 55 makes connecting portion 53 and rotation section 54 connect with locking state；And action bars 52, connection is solid Determine the locking status releasing in portion 53 and rotation section 54.This connector 51 connects with linearity in upper and lower frames 14 and handle portion 9 Locking state and action bars 52 are operated, and the non-locking state making handle portion 9 fold to the rear of upper and lower frames 14 is carried out Control, so that the attitude of handle portion 9 changes.
Connecting portion 53 possesses to be overlooked as the periphery wall 53A of U-shaped and closes the end of bottom surface of this periphery wall 53A Plate 53B.For connecting portion 53, make the face of opening of the periphery wall 53A of U-shaped to configure towards rearward attitude, support The flexure plane in front is fixed in the rear end of ancon framework 12.It addition, for connecting portion 53, the upper end of upper and lower frames 14 is solid Below base plate 53B.For overlooking the periphery wall 53A for U-shaped, make the bottom of open side the most rearward Highlighting and be provided with a pair protrusion tab 53C, connect rotary shaft 56 in the leading section of these protrusion tabs 53C, rotary shaft 56 is to rotation Portion 54 is rotatably attached.This connecting portion 53 is metal system, such as, casts aluminum or aluminum alloy and makes Make.
Rotation section 54 possesses: the vertical view of the outer peripheral face with the inner surface of the periphery wall 53A along connecting portion 53 is U The perisporium 54A of shape；Connect the sidewall 54B of the front of the opening of the perisporium 54A of U-shaped；Close this perisporium 54A and sidewall The closing plate 54C of the bottom surface of 54B；And it is fixed on the company of the upper end side of perisporium 54A and sidewall 54B to connect main part 9A Adapter portion 54D.In rotation section 54, connecting section 54D of upper end inserts the leading section of main part 9A, run through connecting section 54D and The retainer 57 of main part 9A is inserted through, and thus handle portion 9 is fixed.It addition, rotation section 54 possess from bottom rearward with Protuberance 54X, this protuberance 54X that lateral attitude is prominent are arranged between a pair protrusion tab 53X being located at connecting portion 53. Connecting portion 53 and rotation section 54 rotatably connect via the rotary shaft 56 running through protrusion tab 53X and protuberance 54X.Should Rotation section 54 is also metal system.
Card locking mechanism 55 is in the handle portion 9 being fixed on the upper and lower frames 14 of connecting portion 53 and be fixed on rotation section 54 In the locking position that main part 9A configures with linearity, connecting portion 53 and rotation section 54 are engaged.The card locking mechanism of diagram 55 possess: insert from the Inside To Outside of perisporium 54A in the way of being applied in the through hole 54a of the front side opening of perisporium 54A Protuberance 55A；There is in front end this protuberance 55A and the bar portion 55B of sidewall 54B is run through in rear end；And to making protuberance 55A from through hole The elastomer 55C of direction force prominent for 54a.For protuberance 55A, possesses flange part 55a in rear end, by this flange part 55a limits protuberance 55A from overhang prominent for perisporium 54A.For bar portion 55B, it is inserted through with through hole 54a relatively in side The inserting hole 54b of wall 54B upper shed, rear end is prominent to outside.For elastomer 55C, by the flange part 55a of protuberance 55A to Outside pressing, makes protuberance 55A prominent to outside from the through hole 54a of perisporium 54A.Diagram elastomer 55C be helical spring, in The heart inserts bar portion 55B.But, elastomer can also be leaf spring etc..The rear end of bar portion 55B is at the outside of rotation section 54 and action bars 52 connect, and when operating action bars 52, make bar portion 55B rearward move, it is possible to flexibly to be drawn by protuberance 55A Enter.
It addition, for connecting portion 53, in the way of can engaging rotation section 54 in locking position, be positioned at card On the position relative for through hole 54a of the rotation section 54 that stop bit is put, the connecting hole that will insert from the prominent protuberance 55A in rotation section 54 53a opening.At this connector 51, the protuberance 55A highlighted laterally from rotation section 54 is inserted in the company of connecting portion 53 opening Meeting hole 53a, thus connecting portion 53 is fixed on locking state in rotation section 54.If making it addition, action bars 52 is carried out operation Protuberance 55A is when connecting hole 53a extracts, and locking state is released from, rotation section 54 with rotary shaft 56 be rotate center relative to Connecting portion 53 rotates.
Action bars 52 possesses: the drive division 52A of the tabular that the lateral surface along the sidewall 54B of rotation section 54 configures；And from This drive division 52A to the direction of handle portion 9 with the operating portion 52B of the prominent tabular of lateral attitude.For drive division 52A, from The prominent bar portion 55B in rotation section 54 runs through drive division 52A, and at the lateral surface of drive division 52A, fixture 58 is fixed on bar portion The front end of 55B, and be connected with bar portion 55B.
At this action bars 52, by operating operating portion 52B, bar portion 55B is rearward stretched by drive division 52A, makes The protuberance 55A of the front end being located at bar portion 55B is axially moveable.As shown in the arrow A of Figure 16, for this action bars 52, if will Operating portion 52B presses to handle portion 9, then drive division 52A is with the first corner 52a of upper end-face edge as fulcrum, makes as opposition side The second corner 52b of end edge as shown in the arrow B of Figure 16, fascinate to the direction left from sidewall 54B.Now, bar portion 55B is stretched in the direction as shown in the arrow C of Figure 16 and makes to be located at the protuberance 55A retrogressing of the front end of bar portion 55B.It addition, such as Shown in the arrow D of Figure 16, for action bars 52, if by operating portion 52B to the direction stretching left from handle portion 9, then driving Portion 52A, with the second corner 52b of lower edge as fulcrum, makes first corner 52a such as Figure 16 of the end edge as opposition side Arrow E shown in fascinate to the direction left from sidewall 54B.Now, bar portion 55B is stretched in the direction shown in arrow C and makes The protuberance 55A of the front end being located at bar portion 55B retreats.So, though this action bars 52 have the feature that by operating portion 52B to The direction pressing of handle portion 9, stretches round about, protuberance 55A can be made to retreat and release rotation section 54 and fix with being connected The locking state in portion 53.It addition, if hands leaves action bars 52, then protuberance 55A is pressed by elastomer 55C and dashes forward to from rotation section 54 The direction gone out is moved, and action bars 52 returns to original position.
Above connector 51 is under the locking state of connecting portion 53 and rotation section 54, as in figure 2 it is shown, upper and lower frames 14 and handle portion 9 main part 9A with linearity configure.It addition, make the non-of locking status releasing action bars 52 is operated Under locking state, handle portion 9 can be folded to rear, the most as shown in Figure 8, after being folded to upper and lower frames 14 compactly Side.So, the folding structure of handle portion 9 has the speciality that can be folded more compactly by wheelchair.
It addition, the connector 51 shown in Figure 16 is in order to make to be connected with under the locking state of rotation section 54 in connecting portion 53 Fixed part 53 and rotation section 54 engage with tightlock status, the base plate 53B in the connecting portion 53 and closing plate 54C of rotation section 54 Between configure buffer unit 59.The connector 51 of diagram has through hole 53b at the central part of the base plate 53B of connecting portion 53, And configure the cap of blocking this through hole 53b as buffer unit 59.As the buffer unit 59 of cap by rubber or soft Plastics are formed, and by insertion section 59a inserts the through hole 53b of base plate 53B, buffer unit 59 is fixed in connecting portion 53 Fixed position.It addition, possess the head 59b of central convex in one end of insertion section 59a as the buffer unit 59 of cap, pass through This head 59b is made to contact with the bottom surface of rotation section 54, when mitigation makes rotation section 54 and connecting portion 53 connect with locking state Shock, and suppress the fine vibration etc. under locking state.Preferably, this buffer unit 59 makes rotation section 54 company of being locked to Under the state connecing fixed part 53, it is sandwiched in rotation section 54 and connecting portion 53 when head 59b occurs elastic deformation Between.So, by being inserted and fixed the structure in fixed position in the through hole 53b being located on base plate 53B, it is possible to simply Buffer unit 59 is reliably configured between connecting portion 53 and rotation section 54 by ground structure.It addition, this buffer unit 59 is also There is the through hole 53b immersion upper and lower frames 14 being prevented from the base plate 53B upper shed from connecting portion 53 such as rainwater and dust The feature of inside.
(to ancon 20)
Being fixed on to ancon 20 of Fig. 1～Fig. 3 be made up of metal tube on ancon framework 12.Have on top to ancon 20 There is buffer unit 20A, load ancon and the wrist of the user occupying a portion 5 thereon.The upper surface of buffer unit 20A sets Solid surface shape for the outer peripheral face along plane or cylinder.It addition, for ancon 20, in order to be fixed on to ancon Stably support buffer unit 20A under state on framework 12, possess supporting board 20B in the lower section of buffer unit 20A.That is, Should support ancon 20 is the double-layer structure being made up of supporting board 20B and buffer unit 20A.This supporting board 20B is such as by hard Plastics etc. manufacture such that it is able to the stably buffer unit 20A of supporting low weight and softness.
It addition, as it is shown on figure 3, for ancon 20, make transverse width bigger than the external diameter to ancon framework 12, at elbow Under the state that portion and wrist are placed in its upper surface, contact area is increased.Width ratio support ancon framework 12 wide to ancon 20 Configure the most prejudicially relative to ancon framework 12.Thus, in the wheelchair shown in Fig. 3, make to the inner side of ancon 20 towards The amount prominent to the inner side of ancon framework 12 reduces.This structure make as shown in Figure 7 a pair liang of body side frame 1 close to and by wheelchair Under the state folded, seat portion framework 6 is configured at the inner side to ancon 20, wheelchair laterally wide of folding can be reduced simultaneously Degree.
It addition, to shown in Fig. 3 to ancon 20 for, make to ancon framework 12 being formed below of supporting board 20B Chimeric retention groove 20a.Retention groove 20a shown in Fig. 3 is have along the cylindric upper surface to ancon framework 12 curved The channel-shaped of curved surface, makes to ancon framework 12 chimeric with this part, it is possible to be fixed on to ancon framework 12 supporting board 20B Fixed position.The supporting board 20B being configured at the upper surface to ancon framework 12 runs through to ancon framework 12 by being screwed into Fixing screw (not shown) is fixed.For the seat portion 5 to ancon 20 possessing above structure, widening to ancon framework 12 Width and stably supporting ancon and wrist while, it can be ensured that be formed at left and right the seat portion between ancon framework 12 Space.I.e., it is possible to when seat portion sheet is launched to become portion, reduce overall while expanding the space in seat portion Transverse width.
(side panel 48)
Support between ancon framework 12 and central frame 15 it addition, two body side frames 1 shown in Fig. 1 and Fig. 2 are configured with obturation, connect Connect the side panel 48 in space between framework 16 and upper and lower frames 14.The side panel 48 of diagram is so that ora terminalis front and back is close to connecting Framework 16 and upper and lower frames 14 and make lower edge configure close to the state of central frame 15.It addition, the side to diagram For panel 48, ora terminalis front and back is fixed on connection framework 16 and the lateral surface of upper and lower frames 14 via connector.So, will The structure of outside side panel 48 obturation of two body side frames 1 has and can be effectively prevented user and occupy the state in a portion 5 Under from the gap of two body side frames 1 imprudence contact drive wheel 3 feature.That is, even if wheel 3 will be driven with close to two body side frames The state configuration of 1, it is also possible to prevent contact from driving wheel 3 such that it is able to guarantee safety.It addition, by side panel 48 is joined It is placed in the outside of two body side frames 1, it is possible to expand the space of the both sides in seat portion 5.
(folding connecting rod)
As it is shown in fig. 7, folding connecting rod 2 makes two body side frames 1 of left and right close to each other and folded by wheelchair with vertical attitude, And make wheelchair be in the state opened as it is shown on figure 3, be separated from each other by two body side frames 1 of left and right.As shown in Fig. 1～Fig. 8, folding Folded connecting rod 2 possesses: the X connecting rod 21 before and after being connected with two body side frames 1；And by the centre of this X connecting rod 21 with two body side frames 1 even A pair slave connecting rod 22 connect.
(X connecting rod 21)
As shown in Fig. 3～Fig. 6, for X connecting rod 21, by two connecting rods 23 with can be in the side of vertical rotation in surface Formula, connects with X shape via rotary shaft 24.For two connecting rods 23, middle part rotary shaft 24 of reporting to the leadship after accomplishing a task is connected. X connecting rod 21 is positioned at vertical, and lower end is rotatably connected with underframe 11, and upper end is connected with seat portion framework 6.Before After X connecting rod 21 be connected with underframe 11 and seat portion framework 6 the most discretely.As shown in figures 1 to 6, with same The lower end of the X connecting rod 21 before and after underframe 11 connection is connected with rotary shaft 25, and so that what this rotary shaft 25 can rotate Mode is connected with the main body frame portion 11A of underframe 11 via bearing portion 26, by X connecting rod 21 rotatably with lower frame Frame 11 connects.It addition, the upper end of the X connecting rod 21 before and after being connected with same seat portion framework 6 is fixed with portion's framework 6.To this X For connecting rod 21, underframe 11 is kept into parallel attitude with seat portion framework 6, make left and right two body side frames 1 close to each other and Make wheelchair become folded state, and make two body side frames 1 be separated from each other and become the state of expansion.At two body side frames making left and right 1 is separated from each other and under the state launched, the seat portion framework 6 of the left and right of the upper end of X connecting rod 21 is opened in the horizontal direction, with left and right The seat portion sheet 7 that seat portion framework 6 connects is opened to be set and becomes a portion 5.
It addition, folding connecting rod 2 is following structure: make a pair liang of body side frame 1 shape close to each other being folded by X connecting rod 21 Under state, as it is shown in fig. 7, make portion's framework 6 be located at two relative body side frames 1 upper surface between ancon 20.That is, exist Under the state that two body side frames 1 are close to each other and fold, seat portion framework 6, close to ancon framework 12, makes portion's framework 6 become and support The height that ancon framework 12 is roughly the same, adjusts the length of connecting rod 23.It addition, this folding connecting rod 2 is following structure: such as Fig. 1 Shown in Fig. 3, in the state making two body side frames 1 be separated from each other and to open, i.e. seat portion framework 6 is opened to the left and right and makes a portion Under the state that sheet 7 is opened, seat portion framework 6 being configured at the inner side of central frame 15, seat portion framework 6 is by central frame 15 The support supporting that inner side is protrusively provided.
(slave connecting rod 22)
Slave connecting rod 22 is connected with X connecting rod 21 and two body side frames 1, is kept with perpendicular attitude by two body side frames 1.Fig. 4 and Fig. 6 The slave connecting rod 22 of left and right is connected by shown folding connecting rod 2 with the X connecting rod 21 being located behind.The slave connecting rod 22 of left and right will constitute X A pair connecting rod 23 of connecting rod 21 is connected with a pair liang of body side frame 1 respectively.For the slave connecting rod 22 in figure, one end is positioned at X even The centre of the upside of bar 21, i.e. than rotary shaft 24 position by the top, so that pin 27 can be used in the way of vertical rotation in surface Connect.It addition, the other end of slave connecting rod 22 is rotatably connected with two body side frames 1.The wheelchair of diagram is provided with therefrom Between the fixed arm 29 that highlights downwards of framework 15, by the other end of slave connecting rod 22 can use in the way of vertical rotation in surface Pin 28 is connected with this fixed arm 29.Two body side frames 1 are kept by the slave connecting rod 22 of above structure with vertical attitude, simultaneously with mutually The mode being toward or away from moves.The folding connecting rod 2 of diagram owing to possessing a pair slave connecting rod 22 in left and right, therefore, it is possible to will take turns Under the state that chair is opened, two body side frames 1 of left and right are stably kept with vertical attitude.
About the position of seat portion framework 6, as it is shown on figure 3, when folding connecting rod 2 is launched, so that seat portion framework 6 Become with supporting part from the mode of state, slave connecting rod 22 determine this position.That is, a portion 5 is not occupied at user Under state, seat portion framework 6 and supporting part from state, precisely in the state slightly floated, be held in this state.Seat The position of portion's framework 6 is held in this position, this is because: according to the position relationship between X connecting rod 21 and slave connecting rod 22, it is possible to By slave connecting rod 22 supporting role in the load of seat portion framework 6.It addition, be that user occupies portion's sheet from this State Transferring Under the state of 7, the body weight becoming user acts on a state for portion's framework 6, seat portion framework 6 decline and with the upper table of support Face contacts.Under this state, seat portion framework 6 is by the bounce upwards produced by the slave connecting rod 22 of folding connecting rod 2 and from propping up The resistance that bearing portion is subject to, is stably supported.Especially, when user occupies portion 5, act on portion's framework 6 to Under power initially supported by slave connecting rod 22, afterwards, slave connecting rod 22 and support both sides support, therefore, it is possible to just little by little support It is seated at the body weight of the user in a portion 5, it is achieved excellent resiliency, thus user can cosily take a seat.
As shown in Fig. 1～Fig. 5, this wheelchair becomes when making two body side frames 1 be separated from each other and to open, seat portion framework 6 open to the left and right, make a state that portion's sheet 7 is opened, i.e. can occupy a state for portion's sheet 7.Two body side frames being separated from each other 1 becomes vertical attitude.It addition, for this wheelchair, make a pair liang of body side frame 1 close to each other being folded by folding connecting rod 2 Under state, two seat portion frameworks 6 close to and in left and right between ancon 20, seat portion sheet 7 is folded.It addition, now, such as figure Shown in 7, central frame 15 is configured at the space that the both sides of the rotary shaft 24 of X connecting rod 21 after folding are formed.By middle boxes Frame 15 is configured in the structure of this position, and central frame 15 does not affect the opening and closing of X connecting rod 21, it is possible to by tight for a pair liang of body side frame 1 Fold with gathering.
(seat portion 5)
It addition, for this wheelchair, it is provided with between two body side frames 1 of left and right and is made up of folding connecting rod 2 and seat portion sheet 7 Seat portion 5.For this portion 5, the both sides of pliability seat portion sheet 7 are connected in the upper of X connecting rod 21 with folding connecting rod 2 The seat portion framework 6 that end connects.For this wheelchair, as it is shown in fig. 7, state that is close at two body side frames 1 making left and right and that fold Under, seat portion sheet 7 is also folded, and carries out under the state launched as it is shown on figure 3, separated by two body side frames 1 of left and right, seat portion sheet 7 quilt Open and set and become a portion 5.
(seat portion sheet 7)
Seat portion sheet 7 is the parts with flexual lamellar.The both sides of this sheet 7 are connected with seat portion framework 6.If will A pair liang of body side frame 1 launches laterally and makes wheelchair launch, and the seat portion sheet 7 shown in Fig. 1, Fig. 3, Fig. 7 is opened is located at portion's framework 6 Between and form a portion 5.It addition, when being folded by a pair liang of body side frame 1 by folding connecting rod 2, seat portion sheet 7 is also rolled over Folded.This sheet 7 may utilize the sheet material of plastics system or nylon, or can use the sheet material being made up of cloth.Seat portion sheet 7 is at sheet The inside of material has the buffer units (not shown) such as cotton, and resiliency improves.
(suturing part 70)
It addition, for seat portion sheet 7, be provided with suturing part 70 to sewing up from outer peripheral edge retracted position.To Fig. 9's For three-dimensional seat portion sheet 7 shown in amplification stereogram, it is provided with the suturing part 70 of U-shaped along leading section and both sides.Concrete and Speech, is being provided with suturing part by sewing up with U-shaped paracentral position from front end retracted position and from both side edges 70.By arranging the suturing part 70 of this U-shaped, the zone line that the body weight of user mainly acts on produces thickness, just Seat comfort level improves.It addition, by dividing zone line from end edge portion, prevent from being accommodated in the buffer units such as internal cotton laterally Mobile causing takes a seat comfort level variation.It addition, the both sides of the seat portion sheet 7 shown in Fig. 9 are by firmware 71 and seat portion framework 6 Top connects.This sheet 7 is provided with the coating member 72 of the upper surface covering the firmware 71 being located at both sides in both sides.Separately Outward, in the both sides of this sheet 7, be provided with for seat portion framework 6 is mentioned make a pair liang of body side frame 1 close to and carry out the handle folded Hand 74.
(coating member 72)
Coating member 72 shown in Fig. 9 is the tool of the upper surface covering the firmware 71 connecting seat portion sheet 7 and seat portion framework 6 There are the parts of flexual banding.This coating member 72 can utilize the parts identical with seat portion sheet.Coating member 72 in figure One end of width be present portion's sheet 7 surface, connecting in the inner part than firmware 71.The width of coating member 72 Length be confirmed as at least covering a top of the firmware of portion's sheet 7 71.This coating member 72 is via velcro 73 It is connected with the surface of the both sides of seat portion sheet 7.For the coating member 72 in figure, in the phase of the side being connected with seat portion sheet 7 The other end tossed about, on the face relative with seat portion sheet 7, it is provided with the first velcro 73A.It addition, to the seat portion sheet 7 in figure Speech, face side in both sides, between from this both side edges to the connecting portion of coating member 72 and the first velcro Position relative for 73A is provided with the second velcro 73B.This first velcro 73A and the second velcro 73B is the most right The shape answered.That is, one side is male member side, and the opposing party is female member side.The velcro 73 of diagram, the first velcro 73A For male member side, the second velcro 73B is female member side.By this velcro 73, for the wheelchair in figure, it is possible to make The end of coating member 72 and the end of seat portion sheet 7 dismount freely.For this wheelchair, by using coating member 72 to cover even Joint chair portion sheet 7 and the firmware 71 of seat portion framework 6, stop and wait user to contact ice-cold firmware 71 and produce not in the winter time Suitable, it is possible to cosily to utilize seat portion 5.It addition, this wheelchair is by using coating member 72 to cover firmware 71, and as firmware Coverage portion function, additionally it is possible to realize the excellent effect of appearance looks elegant.It addition, this wheelchair can be by peeling off velcro 73 Firmware 71 is made to expose simply, it is possible to remove firmware 71 being uncovered in the case of parts 72 hinder such that it is able to hold Change places and carry out the dismounting of portion's sheet 7 and a replacing.
But, this coating member can also connect on the firmware of seat portion sheet and seat portion framework position in the outer part at ratio, One end of coating member is connected with seat portion sheet, will be located in being set to by velcro relative than the firmware other end in the inner part In the mode that seat portion sheet can dismount.Can be turned back in the outside of firmware in both sides by this sheet by using a sheet material Thus simply form coating member.In this fashion, it is also possible to cover and connect seat portion sheet and the firmware of seat portion framework.Separately Outward, the dismounting unit with seat portion sheet is set to velcro by above coating member, but dismounting unit is not limited to velcro. For example, it is also possible to utilize other the parts such as slide fastener, snap-fastener, hook, hook.
(handle portion 74)
Handle portion 74 shown in Fig. 9 is provided at a both sides of portion's sheet 7 and the parts that can hold.The handle portion 74 of diagram Being to have flexual strip-shaped members, both ends are connected with seat portion framework 6.This wheelchair mentions a portion by catching this handle portion 74 Framework 6, it is possible to fold in the way of making a pair liang of body side frame close the most as illustrated in fig. 7.Handle portion 74 shown in Fig. 9 exists Both ends are sandwiched under the state between portion's sheet 7 and seat portion framework 6, by connecting the firmware of seat portion sheet 7 and seat portion framework 6 71 are connected with seat portion framework 6.Thereby, it is possible to handle portion 74 to be firmly attached to portion's framework 6.It addition, this wheelchair is by inciting somebody to action The firmware 71 of seat portion sheet 7 and the fixed component of handle portion 74 share, it is possible to reduce the quantity of parts, reduce manufacturing cost, reality Existing lightweight.But, the both ends of this handle portion 74 are not installed on portion's sheet 7 by firmware 71 by stitching etc., also can Enough it is connected with seat portion framework 6 via seat portion sheet 7.In the case of being installed by stitching, by the both ends delocalization of handle portion 74 On the position of firmware 71, and itself and the end of seat portion sheet 7 is made to be directly connected to such that it is able to mounting knob portion 74 simply. Or, it is also possible to it is attached by both firmware 71 and stitching, thus seat portion sheet 7 and handle portion 74 are more firmly connected Connect.Or, for handle portion 74, it is also possible to the following side at both ends with seat portion framework 6 is connected.In the case of Gai, by even Joint chair portion sheet 7 and the firmware 71 of seat portion framework 6, it is possible to handle portion 74 is connected to a portion by the face of the opposition side of present portion sheet 7 Framework 6.This structure can make the height equalization of multiple firmwares 71 of portion's sheet 7 side, it is possible to reduces the surface of seat portion sheet 7 Rise and fall.By above handle portion 74, user can in the case of not contacting framework fully collapsible invalid's chair simply, it is possible in the winter Seasons etc. do not hold ice-cold framework, cosily utilize.It addition, as it is shown in fig. 7, this handle portion 74 when wheelchair is folded to More prominent than to the top side of ancon framework 12.By holding this prominent handle portion 74, even if in the state that handle portion 9 is folded Under, it is also possible to it is easily moved wheelchair.
(leaning plate 10)
It addition, the wheelchair shown in Fig. 1, Fig. 3 and Fig. 4 is present, the back side in portion 5 is configured with leaning plate 10.To this leaning plate 10 For, both ends are connected with upper and lower frames 14 and the handle portion 9 of left and right.For the leaning plate 10 shown in these figures, by top Both ends be connected with the main part 9A of handle portion 9, and by the scaffold portion 14B at the both ends of bottom Yu upper and lower frames 14 Connect.For the top of leaning plate 10, as it is shown in figure 1, turned back at both ends and form a portion 10A, in this, 10A inserts Main part 9A thus be connected with handle portion 9.For the bottom of leaning plate 10, as shown in Figure 4, both ends are bent to form as even Meet end 10B, this connection end 10B is fixed on via firmware 75 medial surface of scaffold portion 14B.It addition, shown in Fig. 4 Leaning plate 10 possess collecting bag 76 overleaf.Thereby, it is possible to receive Jie person of protecting and the user of auxiliary operation wheelchair easily The article carried.
Above leaning plate 10 with plane expansion when two body side frames 1 of left and right are opened, becomes and occupies seat The backrest of the user in portion 5.It addition, leaning plate 10 is folded when making a pair liang of body side frame 1 close to each other.Additionally, In the wheelchair shown in Fig. 2, making upper and lower frames 14 and attitude that handle portion 9 is upper lateral back sweep, making backrest surface is slightly The face of low dip.By this structure, the user occupying a portion 5 can be just to lean on the comfortable attitude of leaning plate 10 Sit.
(leg rest platform 8)
It addition, the wheelchair shown in Fig. 1～Fig. 8 is present, the front in portion 5 possesses a pair leg rest platform 8.Leg rest platform 8 is making of wheelchair User occupies a portion 5 and loads the platform of foot.This leg rest platform 8 possesses the leg rest that the outside with the front part of two body side frames 1 is connected Arm 41 and be installed on the footrest 42 of leading section of leg rest arm 41.Leg rest arm 41 shown in Fig. 1 and Fig. 2 is including The mode folded in the vertical of fore-and-aft direction tiltably connects, and its rear end is connected with front baffle 13 via the axle 43 that fascinates.Fig. 8 Shown leg rest platform 8 is by rearward fascinating centered by this fascinates axle 43, it is possible to vertically erects and folds.It addition, leg rest Plate 42 is can turn to foot can be placed in the horizontal attitude of upper surface and the vertical appearance of upper surface abutting leg rest arm 41 The mode of state, is rotatably connected with the leading section of leg rest arm 41.For this leg rest platform 8, if it is vertical for making footrest 42 Attitude when making leg rest arm 41 rearward fascinate, it is possible to the state being positioned at accommodation space 18 with footrest 42 folds.It addition, this is put Footstool 8 is set to, when making leg rest arm 41 forwards fascinate and being launched by footrest 42, it is possible to foot is placed in one Upper surface to footrest 42.
Although additionally, the footrest 42 of left and right illustrates the most in detail, but may be configured as at the shape launched with horizontal attitude Under state, respective height is mutually different.Refer to here, the footrest 42 of left and right is set to highly difference: not necessarily must left and right The difference of the height of footrest 42 is the degree that can be seen that, at least with make two body side frames 1 close to time about footrest 42 The degree that will not interfere of relative front end face, highly different.For this structure, even if making footrest 42 for water Make a pair liang of body side frame 1 close under the state of flat attitude and fold, it is also possible to make the footrest 42 of left and right mutually not disturb. Thus, for leg rest platform 8, it is possible to prevent when making two body side frames 1 close and to fold owing to footrest 42 is impinging one another The damage of the footrest 42 caused or the deformation etc. of leg rest arm 41, can fold simultaneously swimmingly.
(leg rest arm 41)
As shown in the amplification stereogram of Figure 10, leg rest arm 41 possesses: under the attitude of front so that leading section downward Mode is in pars intermedia bending or the principal arm portion 80 of bending；And it is positioned at the vertical guide comprising this principal arm portion 80 and along described principal arm Portion 80 is configured at the auxiliary portion 81 of the lower section in principal arm portion 80.The two ends in the principal arm portion 80 of diagram and two body side frames 1 and footrest 42 Connect, and at the two ends of both ends auxiliary connection arm 81.
(principal arm portion 80)
Principal arm portion 80 shown in Figure 10 is shaft-like parts, and the rear end in this principal arm portion 80 is via axle 43 and two body side frames of fascinating The front baffle 13 of 1 connects.The principal arm portion 80 of diagram is formed by the parts of the tubulose of the hollow being internally formed as cavity.Master in figure Arm 80 with fascinate axle 43 for axle in the vertical comprising fore-and-aft direction can fold in the way of fascinating.This principal arm portion 80 exists Pars intermedia bends, and when forwards fascinating, the leading section in principal arm portion is positioned at than position on the lower, rear portion.Principal arm portion in figure 80 bend downwards at the kink at two positions.But, principal arm portion 80 is in addition to the shape of bending, it is also possible to set For curved shape.It addition, this principal arm portion 80 in the way of the same vertical guide making auxiliary portion 81 be positioned to comprise principal arm portion 80 with Auxiliary portion 81 connects.It addition, footrest 42 rotatably leading section with principal arm portion 80 is connected.
(auxiliary portion 81)
The two ends in the auxiliary portion 81 shown in Figure 10 are connected with the both ends in principal arm portion 80, thus improve the strong of leg rest arm 41 Degree.The auxiliary portion 81 of diagram is made up of flat metal parts.Auxiliary portion 81 in figure bends at pars intermedia.The auxiliary of diagram The one end in portion 81 is connected with the rearward end in principal arm portion 80, and the other end is connected with the front of the kink of the front in principal arm portion 80. The auxiliary portion 81 being made up of flat metal parts, under the attitude that the width of metallic plate is parallel with vertical guide, i.e. changes speech Principal arm portion 80 is fixed at two ends in the way of making thickness direction become horizontal direction by it.So, using width as vertical The intensity for the moment of flexure relative to load can improve, therefore, it is possible to the most stably support in the auxiliary portion 81 of direction configuration Principal arm portion 80.This auxiliary portion 81, when the front attitude of leg rest platform 8, is positioned at the same plummet face in principal arm portion 80, principal arm portion 80 Lower section.In the structure that this auxiliary portion 81 is set, improve the intensity of leg rest arm 41, and effectively prevent due to load Or the deformation of leg rest arm 41 that life-time service causes, it is possible to stably keep being placed in foot on leg rest platform 8.
At above leg rest arm 41, principal arm portion 80, under the front attitude of leg rest platform 8, is bent into leading section downward Shape, auxiliary portion 81 is to the direction bending contrary with principal arm portion 80.So, by principal arm portion 80 is bent into leading section towards under The shape of side, it is possible to the footrest 42 being arranged at the leading section of leg rest arm 41 is promptly configured at the lower section in the front of wheelchair. It addition, pass through the auxiliary portion 81 bent to the direction contrary with principal arm portion 80 and be bent into leading section shape downward Principal arm portion 80 connect, it is possible to stably supporting principal arm portion 80.It addition, leg rest arm 41 also is able to make principal arm portion 80 and auxiliary portion 81 Either one or both sides bending.In the case of Gai so that principal arm portion 80 and the overbending direction in auxiliary portion 81 or bending direction become Rightabout.
(arm cap 82)
It addition, as shown in Fig. 2, Fig. 7 and Fig. 8, principal arm portion 80 is provided with arm cap 82 in front end.This arm cap 82 blocks hollow The front end in the principal arm portion 80 of tubulose.For this arm cap 82, when making leg rest arm 41 rearward fascinate as shown in Figure 8, it is possible to anti- Sealing and refuse enter internal from the front end in principal arm portion 80 upward.Therefore, there is not the inside in entrance principal arm portion 80 Refuse hinders rotating or making footrest 42 escape to footrest 42 for water during horizontal attitude from bearing portion 85 of rotary shaft 46 The possibility on surface, user can cosily utilize leg rest platform 8.
(footrest 42)
Footrest 42 is can folding in the way of under horizontal attitude and perpendicular attitude, via rotary shaft 46 and principal arm portion 80 Leading section connect.Figure 10 represents the amplification stereogram being unfolded the footrest 42 being in horizontal attitude, and Figure 11 represents footrest The amplification plan view of 42.The plate-shaped shape of footrest 42 of diagram, and be provided with in rear end keep being connected with leg rest arm 41 turn The bearing portion 85 of moving axis 46.It addition, for footrest 42, in order to remain horizontal attitude in the expanded state, by rear end Portion's cutting is provided with and guides the leading section in principal arm portion 80 to make its locking groove 86 stopped with the angle of regulation.As shown in Figure 10, this axle Bearing portion 85 and locking groove 86 are located at the ratio central authorities position by heel side of footrest 42.That is, the rearward end of this footrest 42 than The centre of toe side and heel side is by being connected with leg rest arm 41 on the position of heel side.Thus, in the body weight of more user The heel side of the footrest 42 under being acted on, footrest 42 is connected with leg rest arm 41, it is possible to increase the intensity of footrest 42.
It addition, when the vertical view shown in Figure 11, footrest 42 compares rearward end with pars intermedia towards toe side and heel side The mode broadened is formed.The footrest of diagram is formed as pars intermedia and extends substantially to toe side and heel side than rear end to front end Hexagonal shape.Thereby, it is possible to expand the toe side scope to heel side of the zone line of the mounting foot of footrest 42, from And leg rest platform 8 can be utilized at steady-state.This footrest 42 is not limited to hexagonal shape, for example, it is also possible to be set to The fan-shaped etc. launched towards front extreme direction.
(anti-slip part 83)
It addition, the upper surface that the footrest 42 shown in Figure 11 loads foot at the user occupying a portion 5 is provided with anti-skidding Portion 83.The anti-slip part 83 of diagram includes: the first anti-slip part formed by multiple projections of the middle section being located at footrest 42 83A；And the both sides being provided with the middle section of this first anti-slip part 83A arrange, the second anti-slip part of being formed by multiple raised lines 83B。
(the first anti-slip part 83A)
Multiple kicks of the tetrapyamid shape as multiple projections are configured to matrix by the first anti-slip part 83A shown in Figure 11 Shape.At the footrest 42 of diagram, multiple kicks are arranged with left and right directions along the longitudinal direction.First anti-slip part 83A example If floor space to be set to 5～100mm2, be preferably set to 8～50mm2, be more preferably set to 10～20mm2, will highly be set to 0.2 ～5mm, be preferably set to 0.3～3mm, be more preferably set to kick spread configuration 100 in length and breadth of the positive tetrapyamid shape of 0.5～2mm ～2000, preferably 300～1500, more preferably 500～1000.
As it can be seen, by arranging the first anti-slip part 83A at the middle section of footrest 42, improve footrest 42 in The skin-friction force in centre portion, stops user foot to skid effectively.But, this first anti-slip part 83A is not limited to tetrapyamid shape, It can also be provided that multi-prism tapers such as Rhizoma Sparganii taper and coniform, hemispherical etc..
(the second anti-slip part 83B)
It addition, footrest 42 in the drawings, in the both sides of this first anti-slip part 83A by multiple raised lines with the appearance being parallel to each other State arranges and forms the second anti-slip part 83B.The second anti-slip part 83B being made up of multiple raised lines is so that the bearing of trend of raised line becomes Direction, the i.e. mode of left and right directions vertical with direction before and after the foot being placed in footrest 42 are arranged.Second anti-slip part 83B Width such as can be set to 0.2～3mm, be preferably set to 0.3～2.5mm, be more preferably set to 0.5～2mm, length be set to 5～ 50mm, it is preferably set to 8～40mm, is more preferably set to 10～30mm, is highly set to 0.2～5mm, is preferably set to 0.3～3mm, more Be preferably set to the raised line of 0.5～2mm with the attitude being parallel to each other equally spaced or randomly arrange 5～40, preferably 10～ 30, more preferably 15～25.
This second anti-slip part 83B makes placed foot be difficult in the longitudinal direction relative to left and right directions slide.Thus, This footrest 42, while central part reliably keeps foot by the first anti-slip part 83A, is prevented by the second anti-slip part 83B The foot misplaced to the left and right from the first anti-slip part 83A forwards comes off from the toe side of footrest 42, further, and the second anti-slip part 83B does not hinder foot to return to central part.By this anti-slip part 83, it is possible to the foot of reduction user comes off from footrest 42 Probability, foot can be stably placed on footrest 42 by user.It is anti-skidding that the second above anti-slip part 83B is located at first The both sides of portion 83A, but the second anti-slip part 83B can also be provided only on front or rear end side.
(slit portion 84)
It addition, the footrest 42 shown in Figure 11 is provided with the slit portion 84 for connecting supporting strip 77 in leading section.In figure The first slit portion 84A and the second slit portion 84B that slit portion 84 is arranged by linearity are constituted.This first slit portion 84A is at leg rest Being located at the side of user mounting heel on plate 42, the second slit portion 84B is located at toe side.By one end of supporting strip 77 is worn Cross any one of this slit portion 84, and wind supporting strip 77 in the front end of footrest 42, it is possible to supporting strip 77 is connected to leg rest The front end of plate 42.
(supporting strip 77)
Supporting strip 77 is for keeping heel part so that the foot being placed in footrest 42 will not be after footrest 42 The shoestring that side falls.This supporting strip 77 is constituted by having flexual parts.One end of supporting strip 77 shown in Figure 10 with set Any one of the first slit portion 84A and the second slit portion 84B in the leading section of footrest 42 connects.It addition, supporting strip 77 The other end is connected with the leading section in principal arm portion 80.By one end of this supporting strip 77 and the first slit portion 84A and the second slit portion 84B Which connect freely can be determined by user.This supporting strip 77 can be connected with the first slit portion 84A, only makes heel support Connect, or can also be connected with the second slit portion 84B, make heel abut continuously to the inner side of foot.It addition, slit portion 84 quilt It is divided into the first slit portion 84A and the second slit portion 84B, the most there is not the supporting strip 77 with the first slit portion 84A connection to foot The probability that point side shifting or the supporting strip 77 connected with the second slit portion 84B move to heel side.It addition, this supporting strip 77 Surface be set to the side that abuts with the foot being placed in footrest 42.Therefore, by using skin contact good in face side The sheet material of material, user can cosily load foot.
This supporting strip 77 is provided with overleaf for dismounting, relative to footrest 42 and principal arm portion 80, the nylon connected freely Hasp 78.Figure 12 represents the back view of the supporting strip 77 disassembled from leg rest platform 8.But, the shadow part in Figure 12 does not cuts open View, and represent velcro 78.The supporting strip 77 of diagram both ends overleaf possess the first velcro 78A, at these Second velcro 78B removable with the first velcro 78A is possessed between first velcro 78A.I.e., in fig. 12, First velcro 78A uses cross-hatched to represent, the second velcro 78B uses shadow representation.
First velcro 78A and the second velcro 78B is the most corresponding shape, and one of them is common unit side, Another is auxiliary assembly side.At the velcro 78 of diagram, the first velcro 78A is set to common unit side, by the second nylon Hasp 78B is set to auxiliary assembly side.The first velcro 78A at the both ends being located at supporting strip 77 possesses to be arranged at and is wound into principal arm The arm side velcro 78a of the leading section of the side in portion 80；And it is arranged at the slit portion of the side being wound into slit portion 84 Side velcro 78b.On zone line between this arm side velcro 78a and slit portion side velcro 78b, it is provided with The second Buddhist nun freely is dismounted with the arm side velcro 78a and slit portion side velcro 78b as the first velcro 78A Dragon hasp 78B, i.e. pars intermedia velcro 78c.The both ends of this supporting strip 77 are wound in principal arm portion 80 and footrest 42 respectively, By using velcro 78 to fit, it is possible to supporting strip 77 is set up between the front end of leg rest arm 41 and footrest 42.Especially Ground, this supporting strip 77 as the second velcro 78B, makes this region expand overall for zone line to the length direction of supporting strip 77 Exhibition, therefore by adjusting stickup arm side velcro 78a, slit portion side velcro 78b as the first velcro 78A Position, it is possible to suitably change the intensity of stretching and the length of supporting strip 77.It addition, the flat shape of this supporting strip 77 is formed For L-shaped.So, the supporting strip 77 of L-shaped is bent to when being configured between leg rest arm 41 and footrest 42 at pars intermedia, energy Enough to configure supporting strip 77 in the way of the heel of the foot of the user of the upper surface being placed in footrest 42, it is possible to stable Ground keeps the foot on footrest 42.
(arm retainer 89)
It addition, Fig. 1, Fig. 2 and Fig. 6～the wheelchair shown in Fig. 8 possess be located at that leg rest arm 41 fascinates fascinate in face, leg rest The arm retainer 89 of the lower section of the connecting portion of arm 41 and two body side frames 1.This arm retainer 89 be provided for by leg rest arm 41 with Stop at the parts that the state of assigned position carries out keeping.Wheelchair in figure is leaning on than leg rest arm 41 in the front of two body side frames 1 The position of lower section possesses can change nyctitropic universal trundle 4, by these universal trundle 4 and two body side frames 1 in horizontal plane The upper end of the fixing axle 4B connected is covered by arm retainer 89.
The top close to leg rest arm 41 of this arm retainer 89 is formed as hemispherical, by making leg rest arm 41 and this semi-spherical portion Abut, it is possible to stop leg rest arm 41.As such arm retainer 89, rubber system or plastic cover can be used.Especially Ground, by use have resiliency material manufacture arm retainer 89, it is possible to avoid metal to contact with each other, it is possible to prevent damage or Noise.It addition, by making arm retainer 89 have resiliency, when making leg rest platform 8 forwards fascinate, also there is suppression and stop at arm Dynamic dangerous effect when clamping health a part of between portion 89 and fixing axle 4B.Arm retainer 89 in figure is set to top half Spherical, and the shape of safety has been utilized from the standpoint of wheelchair while being set on hold leg rest arm 41 user or Jie person of protecting etc. Shape.
It addition, as it can be seen, this arm retainer 89 can be used as so that for universal trundle 4 is fixed on two body side frames The mode that the fixing axle 4B of 1 does not contacts with user is for the parts covered.But, this arm retainer 89 not necessarily must be with front The leg rest arm 41 of side's attitude contacts.Put for making if being integrally provided in the inside of the mechanism connecting leg rest arm 41 and the axle 43 that fascinates The stop (not shown) that foot arm 41 stops, it is possible to so that this arm retainer 89 separates with leg rest arm 41.In the case of Gai, arm be stopped For dynamic portion 89, such as, being applied in the load of the intensity exceeding the stop fascinated in axle 43, fascinating at leg rest arm 41 exceedes rule In the case of location is put, can be used as making what leg rest arm 41 stopped promptly using stop.By utilizing this arm retainer 89 to make Leg rest arm 41 stops, it is possible to being effectively prevented foot and comes off from leg rest platform.
(driving wheel 3)
As shown in Fig. 1～Fig. 8, wheel 3 is driven to be fixed in the way of the lateral surface at two body side frames 1 can rotate.? In the wheelchair of Fig. 6, will be connected as the axletree 30 of rotary shaft driving wheel 3 with the bottom of the upper and lower frames 14 of two body side frames 1. For two body side frames 1, in the bottom of upper and lower frames 14, fixed part 19 is fixed, at this fixed part 19, axletree 30 is carried out Fixing.The axletree 30 of two body side frames 1 being fixed on left and right configures with linearity.This is to be configured at by a pair driving wheel 3 The same position in the outside of two body side frames 1.
Wheel 3 is driven to possess: to fix the wheel rim 32 of tire 31 at outer circumferential side；And it is fixed on this wheel rim 32 via spoke 34 The wheel hub 33 at center.Wheel rim 32 is to have slotted shape at outer circumferential side, makes the inner peripheral portion of tire 31 be embedded in this circumferential groove, will wheel Tire 31 connects in the way of not coming off.Tire 31 possesses the inner tube of a tyre (not shown) in inside, and is set to be filled with air at this inner tube of a tyre Structure.Wheel hub 33 is connected with wheel rim 32 via multiple spokes 34.Wheel hub 33 has flange part 33A at two ends, by spoke 34 One end is connected with this flange part 33A, by multiple spoke 34 with radial configuration.From wheel hub 33 with the spoke 34 of radiated entends The other end is connected with the inner peripheral surface of wheel rim 32.It addition, wheel hub 33 is inserted through axletree 30, make driving wheel 3 rotatable.Wheel hub 33 It is connected with axletree 30 via the bearing (not shown) being configured at inner side.This wheel hub 33 via bearing and axletree 30 not come off Mode connects.
(axletree lid 37)
It addition, the driving wheel 3 shown in Fig. 2 is at the lateral surface of the wheel hub 33 inserting axletree 30, it is provided with covering axletree 30 Axletree lid 37 with the rubber of the connecting portion of wheel hub 33.Thereby, it is possible to the fixed component that protection is connected with the front end of axletree 30 (not shown), prevents the lax of fixed component or comes off, it is possible to relaxing of the fixed component that elimination causes due to life-time service, makes The operability of wheelchair is stable.It addition, the fixed component that this axletree lid 37 covers axletree 30 makes aesthetic property improve, and effectively ground resistance Only the fixed component of user or Jie person of protecting and projection directly occurs health to collide.It addition, axletree lid 37 is set to black.Black Axletree lid 37 is formed by rubber or plastics.Thereby, it is possible to axletree lid 37 to be improved further the attractive in appearance of wheelchair entirety as decoration Property.
For above driving wheel 3, the wheel of available bicycle use.By utilizing the wheel of bicycle use, energy A part for production line is enough made to share with the wheel of bicycle use, therefore, it is possible to cut down manufacturing cost.
(manual wheel rim 35)
Wheelchair possesses manual wheel rim 35, and the lateral surface driving wheel 3 is located at by manual wheel rim 35, by holding manual wheel rim 35 Make it rotate and operate the rotation driving wheel 3.Manual wheel rim 35 is for making driving wheel when occupying a portion 5 The 3 manual rings rotated, are located at two lateral surface of wheelchair, drive the outside of wheel 3.At the manual wheel rim 35 of diagram, by entirety Shape is set to the ring-type of the periphery along driving wheel, and profile is set to have wavy concavo-convex shape.By by manually The profile of wheel rim 35 is set to wavy concaveconvex shape so that when user holds manual wheel rim 35, hand will not skid.
This manual wheel rim 35 is resin-made.At the manual wheel rim 35 of Fig. 1 and Fig. 2, every predetermined distance, it is provided with to wheelchair Inner side extend six arms 36.This arm 36 is connected with the inner side of wheel rim 32, and manual wheel rim 35 is fixed on and drives wheel 3 Lateral surface.But, the quantity of the arm 36 of manual wheel rim 35 can be set to 3～8.Manual wheel rim 35, by resin material, makes hands Dynamic inner rim portion is integrally formed with arm 36.It addition, the manual wheel rim 35 in figure is formed as its internal diameter and drives the wheel rim of wheel 3 The internal diameter of 32 is roughly equal.That is, the inner peripheral surface of the inner peripheral surface of manual wheel rim 35 and the wheel rim 32 driving wheel 3 is configured at substantially In same plane.Thereby, it is possible to manual wheel rim 35 and driving wheel 3 are connected with beeline in inner peripheral surface side respectively, it is possible to It is reliably transmitted to the driving force putting on manual wheel rim 35 drive wheel 3, it is possible to increase operability.
It addition, Figure 13 represents the partial sectional view corresponding with the XIII-XIII line shown in Fig. 1.Manual shown in this figure Wheel rim 35 is being provided with slot portion 35A with driving wheel 3 opposite side side.Slot portion 35A is the ring along the periphery driving wheel 3 Shape, is formed along with the opposite face driving wheel 3.As shown in figure 13, this slot portion 35A is when user holds manual wheel rim 35 It is effectively prevented hands skidding by catching on finger tip.It addition, slot portion 35A of diagram is by a part of hollow by manual wheel rim 35 Change, make the lightweight of manual wheel rim 35.It addition, slot portion 35A is arranged on and drives the opposite side of wheel 3 so that from wheelchair Side be can't see, and does not damage aesthetic property, and achieves the lightweight of manual wheel rim 35.It addition, this manual wheel rim 35 is resin-made, can Realize lightweight.Especially, manual wheel rim 35 is set to the resin-made of black, it is possible to improve the attractive in appearance of wheelchair entirety further Property.So, for the wheelchair of present embodiment, by making the lightweight of manual wheel rim 35, the rotation of driving wheel 3 is made to become to hold Easily, improve operability.
(Jie protects with brake 90)
It addition, in above-mentioned wheelchair, there is Jie person of protecting for braking driving driving between wheel 3 and two body side frames 1 Jie of wheel 3 protects with brake 90.In the wheelchair of diagram, Jie is protected with brake 90 along being configured at upper and lower frames 14 times The lateral surface of the fixed part 19 of the quadrangular shape of end is fixed.Jie can be protected and be set to relative to car with brake 90 by this structure Axle 30 is configured at fixed position with vertical attitude.This Jie protects with brake 90 via brake line 92 and the handle being located at wheelchair The brake bar 91 of the lower section of the handle part 49 in portion 9 connects, and by pulling this brake bar 91, makes Jie protect with brake 90 action.Should It is situated between and protects with brake 90 use when Jie person of protecting waits and promotes from rear wheelchair to operate.
Protect with brake 90 as this Jie, the most common band brake can be used.Band brake possesses and drives Brake drum (not shown) that the wheel hub 33 of wheel 3 connects and clamp the brake band of brake drum linkedly with brake line 92 and (do not scheme Show).In the wheelchair of diagram, brake drum is arranged in inner side and the opposite face side of two body side frames 1 driving wheel 3, in configuration Jie in the lateral surface of fixed part 19 protects with the inside of brake 90, arrangement brake band around brake drum.This Jie protects by system Dynamic device 90 is by pulling brake bar 91, and this brake drum held tightly by brake band, thus braked by driving wheel 3.This Jie protects and uses brake 90 by be positioned at drive wheel 3 outside configure in the way of the opposite face side of the fixed part 19 of two body side frames 1, and be built-in with The brake drum that wheel hub 33 connects.So Jie is protected and be located at the structure of the outside driving wheel 3 with brake 90 and driving wheel 3 The inside of wheel hub 33 structure of brake be set compare, it is possible to structure is become easily and arranges.Above Jie protects with braking Device is set to band brake, but being situated between to protect can also be set to servo brakes or roll-type brake with brake.
(brake line 92)
It addition, in the wheelchair shown in Fig. 2 and Fig. 4, protect with brake 90 to being fixed on from Jie being fixed on fixed part 19 The brake bar 91 of handle portion 9 carries out distribution to brake line 92.This brake line 92 is joined along the vertical direction along upper and lower frames 14 Put.For brake line 92, in order to not hinder miscellaneous part, preferably carry out distribution with beeline.In the wheelchair of diagram, by Connect in the upper and lower frames 14 in left and right and have the both ends of leaning plate 10, hence with by the both ends of this leaning plate 10 with up and down The mechanism that framework 14 or handle portion 9 connect, vertically configures while positioning brake line 92.To Fig. 1 and Fig. 4 institute For the leaning plate 10 shown, it is provided with the cylinder portion 10A of the main part 9A inserting handle portion 9 at the both ends on top.Therefore, along main body The brake line 92 of portion 9A configuration inserts this 10A distribution to the top of handle portion 9.And, to the leaning plate 10 shown in Fig. 4 For, the medial surface of scaffold portion 14B is fixed on via firmware 75 in the both ends of bottom.Upper and lower along scaffold portion 14B The brake line 92 of distribution is inserted into the retainer ring 93 of the inner side being fixed on scaffold portion 14B and is configured at fixed position.To Fig. 4 For shown retainer ring 93, the leading section of wire rod being formed as ring-type, the other end is via by the connection end 10B of leaning plate 10 The firmware 75 being fixed on scaffold portion 14B is fixed in fixed position.Brake line 92 is inserted into the ring portion of this retainer ring 93 And configure along scaffold portion 14B.So, brake line 92 is positioned, simultaneously by the cylinder portion 10A of retainer ring 93 and leaning plate 10 Distribution is carried out with beeline along upper and lower frames 14 and handle portion 9.
(parking brake 60)
It addition, the wheelchair shown in Fig. 1 and Fig. 2 possesses, at the lateral surface of two body side frames 1, the parking system making driving wheel 3 stop Dynamic device 60.The amplification exploded perspective view of this parking brake 60 is represented in fig. 14, by the action shape of this parking brake 60 State represents in Figure 15 A and Figure 15 B.Parking brake 60 shown in Figure 14 and Figure 15 A and Figure 15 B is arranged on is located at both sides The drive front of wheel 3, the user of two lateral surface of framework 1 occupy the position that a portion 5 can carry out operating.Stopping in figure Vehicle brake 60 possesses: is connected in the way of fascinating freely in front-rear direction with two body side frames 1 and has holding in upper end The brake operating portion 61 in portion 67；It is connected in the way of fascinating freely in front-rear direction with two body side frames 1 and passes through brake operating portion The drive division 62 that the operation of fascinating of 61 carries out fascinating；Connect brake operating portion 61 and the link rod part 63 of drive division 62；And with drive Dynamic portion 62 connects and pushes the press section 66 driving wheel 3.For this wheelchair, by making brake operating portion 61 rearward incline Dynamic, it is possible to make parking brake 60 action.It addition, by making brake operating portion 61 forward from the state of parking brake 60 action Side fascinates, it is possible to released by parking brake 60.
(snubbing 17)
For two body side frames 1 shown in Fig. 1, Fig. 2 and Fig. 6, in order to parking brake 60 is configured at fixed position, With in the two same verticals of body side frame 1, than drive wheel 3 side on the front position arrangement brake framework 17.The damper frame of Fig. 6 Frame 17 is configured between central frame 15 and underframe 11, and front end is connected with front baffle 13, and rear end is connected with upper and lower frames 14.Figure The snubbing 17 shown bends at pars intermedia, arranges with horizontal attitude than pars intermedia part on the front, than pars intermedia rearward Part arrange obliquely in the way of making rear end downward.The ratio of the snubbing 17 in figure drives wheel 3 on the front Part is arranged with horizontal attitude.The snubbing 17 of diagram is the parts of tabular, so that width becomes parallel with vertical The mode of attitude configure.The snubbing 17 of tabular is fixed with parking brake 60 at lateral surface.The snubbing 17 of Figure 14 Having braking connection slit 69 in the longitudinal direction, connecting at this braking connection slit 69 has parking brake 60.At figure In wheelchair in, by having the slit of snubbing 17 in the longitudinal direction, it is possible to make parking brake 60 cater to wheel Shapes etc. move forward and backward, it is possible to parking brake 60 is configured at the optimum position making driving wheel 3 reliably stop.Diagram Parking brake 60 via be fixed on snubbing 17 braking connection slit 69 fixed part 64 be configured in fixed bit Put.
(brake operating portion 61)
Parking brake 60 possesses for by being made driving wheel 3 stop or releasing halted state by the operation of user Brake operating portion 61.Brake operating portion 61 is made up of flat metallic plate, and fascinating with snubbing 17 is connected freely.As Shown in Figure 15 A and Figure 15 B, brake operating portion 61 has the lower end of the main part 61X of handle part 67 in upper end, possesses and is fascinating Face inflection is converted into the kink 61A of L-shaped, by the corner after bending via the first braking fixing axle 64A and snubbing 17 Connection slit 69 fascinates and connects freely.It addition, for brake operating portion 61, by the pars intermedia of kink 61A via turning Moving axis 65 is rotatably connected with one end of link rod part 63.Brake operating portion 61 in figure is shaft-like for front and back fascinate, it is possible to The handle part 67 being located at upper end dominated by hand carries out operation of fascinating in front-rear direction.
As shown in Fig. 3 and Figure 14, for brake operating portion 61, main part 61X is bent at pars intermedia, will include holding The top in portion 67 is towards the outer lateral buckling of wheelchair.Bend laterally thus by by brake operating portion 61, by brake operating portion 61 Top and the handle part 67 of the upper end of being located at operating portion 61 configure discretely with two body side frames 1.By expanding handle part 67 And the gap that two between body side frame 1, make handle part 67 easily hold.It addition, as shown in Figure 7 and Figure 8, leg rest arm 41 is made backward Under state after fascinating, make leg rest arm 41 between handle part 67 and two body side frames 1 in brake operating portion 61.Thus, inciting somebody to action While a part for parking brake 60 and leg rest arm 41 are configured in the same vertical of the lateral surface of two body side frames 1, anti- Only both interfere.It addition, by making the top in brake operating portion 61 tilt laterally, prevent make brake operating portion 61 to Under the state of backward motion, handle part 67 and the situation driving wheel 3 interference.Such structure can increase brake operating portion 61 Fascinate scope, by press section 66 for driving wheel 3 to press forcefully.
(handle part 67)
Handle part 67 is the parts of the upper end covering the brake operating portion 61 being made up of metallic plate, makes for resin or rubber Glue is made, to improve sense of touch when grasping.Handle part 67 possesses anti-slip part 67a being made up of multiple projections in its surface.Figure Handle part 67 shown in 14 is provided with multiple projection as anti-slip part 67a at lateral surface.It addition, although it is not shown, but holding Multiple projection it also is provided with as anti-slip part 67a on the medial surface that portion 67 is relative with lateral surface.Handle part 67 is by these anti-slip part 67a is effectively prevented and the hands that hold handle part 67 is skidded, and user can hold operation brake operating portion 61 more reliably.
(drive division 62)
Drive division 62 is constituted for flat metal parts is carried out bending process, and fascinates freely with snubbing 17 Ground connects.One end of drive division 62 fixes axle 64B via second and two body side frames 1 fascinate and connect freely, and the other end It is fixed with press section 66.At the drive division 62 of Figure 14, the end of the downside of the metallic plate of banding is bent into laterally L-shaped and Form bending connecting portion 62A, this bending connecting portion 62A fixes press section 66, press section 66 is configured at fixed position.Right For drive division 62, the overhang of bending connecting portion 62A is set to arrive the driving car in the outside being configured at two body side frames 1 The length of the tire 31 of wheel 3.Thereby, it is possible to the press section 66 of bending connecting portion 62A will be fixed on stably to driving wheel 3 Outer peripheral face presses.It addition, pars intermedia is rotatably connected by drive division 62 via the other end of rotary shaft 65 with link rod part 63.
(press section 66)
Press section 66 is to drive the surface of wheel 3 by pressing thus driving wheel 3 is maintained at the portion of the state of stopping Part.The cylindrical shape in press section 66 shown in Fig. 1 and Figure 14, so that outside the flexure plane of cylinder is with the tire 31 driving wheel 3 The mode that side face is relative, is arranged with the attitude that the length direction of cylinder is orthogonal relative to the surfaces of revolution driving wheel 3.Figure 14 and Tu Parking brake 60 shown in 15A and Figure 15 B by making brake operating portion 61 fascinate, the flexure plane of press section 66 with drive wheel The surface of the tire 31 of 3 abuts, the state that wheel 3 will be driven to be held in stopping by pressing.Press section 66 in the drawings, due to The flexure plane making drum abuts with driving wheel 3, therefore presses, with acute angle, the structure making driving wheel stop with conventional Compare, there is not the worry driving wheel 3 to be pressed the most forcefully by corner, it is possible to make driving wheel 3 stably stop.
It addition, the press section 66 that profile is set to drum abuts with driving wheel 3 at the flexure plane forming drum Face on possess the length direction along press section 66 and extend and multiple raised line 66a of being formed.Parking brake 60 is by this raised line 66a, by increasing press section 66 and driving the contact resistance of wheel 3, thus improves frictional force, it is possible to more stably keep making to drive The state that motor car wheel 3 stops.Press section 66 shown in Figure 14 is provided with raised line 66a on the whole at outer peripheral face.The periphery of press section 66 Multiple raised line 66a that face generally forms equally spaced are arranged with spline-like.Thus, arbitrary portion of the outer peripheral face of press section 66 is made The lateral surface divided and drive wheel 3 abuts, and can keep constant frictional force.It addition, by being set to this shape, in pressing Portion 66 pressing drives in the range of wheel 3, it is possible to be freely disposed the installation site of parking brake 60.Even if it addition, due to Errors in manufacture etc. cause offseting with the position driving wheel 3 to abut, owing to being located at press section on the flexure plane of press section 66 Any one of the raised line 66a that the outer peripheral face of 66 is overall all abuts, therefore, it is possible to stably make driving wheel 3 stop with driving wheel 3 Only.
It addition, as shown in figure 14, press section 66, in the side relative with two body side frames 1, is provided with and is inserted into drive division 62 The insertion section 66A of bending connecting portion 62A.Insertion section 66A utilizes the insertion making the bending connecting portion 62A highlighted laterally embed Hole, by inserting this insertion section 66A by bending connecting portion 62A, it is possible to by press section 66 relative to drive division 62 with the appearance specified State is fixed.Specifically, for the 66A of insertion section, the shape making peristome is relative with the section shape of bending connecting portion 62A Should.At the drive division 62 shown in Figure 14, the shape of cross section of bending connecting portion 62A is set to rectangle, by the insertion of press section 66 The shape of cross section of portion 66A is set to the rectangle of the shape of cross section along bending connecting portion 62A.So, by will be by tabular The bending connecting portion 62A insertion insertion section 66A corresponding with this cross sectional shape of drive division 62 that constitute of metallic plate, make pressing Portion 66 will not rotate relative to drive division 62 and be securely fixed.Fixing means as above is by driving the rotation of wheel 3 The motion in direction, the connection between press section 66 and drive division 62 will not relax, and eliminates brake force based on press section 66 and subtracts Weak probability.
It addition, the insertion section 66A shown in Figure 14 is arranged in the way of by the circular center of cylindric press section 66. Thus, press section 66 is the most symmetrical relative to insertion section 66A, therefore, it is possible to do not mind the upper and lower of press section 66 when assembling Left and right direction and be connected with drive division 62, it is possible to increase operating efficiency.For the press section 66 in figure, inserted by regulation Thickness and the width of portion 66A are so that it is tightly embedded intp bending connecting portion 62A, it is possible to connect press section 66 and bending connecting portion 62A.Or, it is also possible to by the bonding insertion section 66A such as bonding agent and bending connecting portion 62A.
(link rod part 63)
Brake operating portion 61 and drive division 62 are connected by link rod part 63.Link rod part 63 shown in Figure 14 is by flat band The metallic plate of shape is constituted.One end of link rod part 63 via rotary shaft 65 and brake operating portion 61 kink 61A rotatably Connect, and the other end of link rod part 63 is rotatably connected via the pars intermedia of rotary shaft 65 with drive division 62.Figure 14 institute The link rod part shown is made up of two metallic plates, passes through when clipping from two sides to turn by brake operating portion 61 and drive division 62 Moving axis 65 connects.
(linkage 68)
For above parking brake 60, constituted even by brake operating portion 61, drive division 62 and link rod part 63 Linkage 68, makes the action of fascinating in brake operating portion 61 be passed to drive division 62 via link rod part 63.To this parking brake For 60, as shown in the arrow A of Figure 15 A, if brake operating portion 61 is operated backward, then the kink in brake operating portion 61 61A fascinates downwards, is accompanied by this, and the rear end of link rod part 63 is moved rearwards by.Drive division 62 via the link rod part 63 being moved rearwards by Backward motion, as shown in the arrow B of Figure 15 A, the press section 66 being connected with drive division 62 is moved into pressing and makes driving wheel 3 stop Stop position only.Under this state, tire 31 pressed portion 66 of wheel 3 is driven to press and be held in halted state.It addition, such as Shown in the arrow C of Figure 15 B, when the brake operating portion 61 of parking brake 60 is operated forward, the kink in brake operating portion 61 61A fascinates upward, is accompanied by this, and the rear end of link rod part 63 moves forward.Drive division 62 is via the link rod part 63 moved forward Fascinating forward, as shown in the arrow D of Figure 15 B, the press section 66 connected with drive division 62 is moved into and separates with driving wheel 3 Release position.Under this state, drive wheel 3 to become press section 66 and separate with tire 31 and the state that can travel.
Make to fascinate the brake operating portion 61 operated in press section it addition, the linkage 68 shown in Figure 15 A and Figure 15 B possesses The stop position of 66 and releasing position stop at the stop mechanism of fixed position.At the linkage 68 of diagram, at link rod part 63 are provided with the retainer 63a as stop mechanism.At the link rod part 63 of Figure 15 A and Figure 15 B, it is provided with prominent the dashing forward from lateral margin Slice is to erect attitude bending the retainer 63a of the ribbed prominent to the face side of link rod part 63.As shown in fig. 15, should be only Dynamic portion 63a, when making brake operating portion 61 fascinate backward and to make press section 66 be in stop position, makes kink 61A's Lateral margin abuts with the side of retainer 63a and brake operating portion 61 fascinating backward is carried out stop.Under this state, make connection system The first of dynamic operating portion 61 fixes the connecting line n of axle 64A and rotary shaft 65 and the rotary shaft 65 at the two ends being connected link rod part 63 The angle (θ) of centrage m is more than 180 degree, is pushed back by drive division 62 under the retroaction that press section 66 pressing drives wheel 3 Power, by making the lateral margin of the retainer 63a and kink 61A of link rod part 63 abut, make linkage 68 stop such that it is able to Press section 66 is maintained at stop position.
It addition, as shown in fig. 15b, retainer 63a makes press section 66 be in solution making brake operating portion 61 fascinate forward Except under the state of position, the lateral margin of kink 61A is made to abut with the end face of retainer 63a brake operating portion 61 inclining forward Move and carry out stop.Under this state, the power that brake operating portion 61 to be made forwards fascinates is by making lateral margin and the connecting rod of kink 61A The retainer 63a in portion 63 abuts and is suppressed, thereby, it is possible to make linkage 68 stop, press section 66 is held in releasing Position.
(universal trundle 4)
Universal trundle 4 is the wheel being free to swing, and is fixed on the lower section of the leading section of two body side frames 1.Fig. 7 institute The universal trundle 4 shown possesses: be fixed on the fixing axle 4B of two body side frames 1；Relative to fixing axle 4B at horizontal rotation in surface certainly As the furcation 4C that connects；And the wheel 4A being rotatably connected with the front end of furcation 4C.This universal trundle 4 exists User occupies a portion 5 and drives manual wheel rim 35 or the person of protecting that is situated between to utilize handle part 49 to make furcation 4C when changing moving direction Swing, it is possible to make wheelchair travel to desired direction of advance.
Wheelchair in figure possesses a pair universal trundle 4 in left and right.Each universal trundle 4 is via fixing axle 4B and two side frames Frame 1 is fixed.In wheelchair in the drawings, fixing axle 4B is fixed on the side of front baffle 13, i.e. lateral surface.So, such as Fig. 7 institute Showing, the structure of the fixing axle 4B that universal trundle 4 is fixed in the outside of former frame frame 13 can expand the universal trundle 4 of left and right Distance (D) between fixing axle.In the wheelchair of Fig. 7, the distance (D) between the fixing axle of the universal trundle 4 of left and right is set Diameter (R) for the wheel 4A more than universal trundle 4.This wheelchair is under the folded state of the wheelchair shown in Fig. 7, such as Fig. 7 Shown in chain-dotted line, it is also possible to make left and right universal trundle 4 wheel 4A non-interference ground freely swing change towards Or it is mobile.
[industrial utilizability]
Wheelchair of the present utility model be when enable two body side frames close to the wheelchair that folds, especially, reduce Transverse width under the state fold wheelchair, folds the most compactly and receives, and when mobile compactly Vehicle etc. is moved in folding, as the wheelchair that can the most advantageously carry, it is possible to be suitable for using.
The explanation of reference
1 liang of body side frame
1A frame surface
2 folding connecting rods
3 drive wheel
4 universal trundles
4A wheel
4B fixes axle
4C furcation
5 portions
6 portion's frameworks
7 portion's sheets
8 leg rest platforms
9 handle portion
9A main part
9B kink
10 leaning plates
10A cylinder portion
10B connects end
11 underframes
11A main body frame portion
11B leading section
11C connecting portion
12 support ancon framework
13 front baffles
14 upper and lower frames
14A fixed frame portion
14B scaffold portion
14b kink
15 central frames
16 connect framework
17 snubbing
18 accommodation spaces
19 fixed parts
20 support ancon
20A buffer unit
20B supporting board
20a retention groove
21 X connecting rods
22 slave connecting rods
23 connecting rods
24 rotary shafts
25 rotary shafts
26 bearing portions
27 pins
28 pins
29 fixed arms
30 axletrees
31 tires
32 wheel rims
33 wheel hubs
33A flange part
34 spokes
35 manual wheel rims
35A slot portion
36 arms
37 axletree lids
41 leg rest arms
42 footrests
43 fascinate axle
46 rotary shafts
47 spaces
48 side panels
49 handle parts
50 supports
50A padded coaming
51 connectors
52 action bars
52A drive division
52a the first corner
52b the second corner
52B operating portion
53 connecting portions
53A periphery wall
53B base plate
53X protrusion tab
53a connecting hole
53b through hole
54 rotation sections
54A perisporium
54B sidewall
54C closes plate
54D connecting section
54X protuberance
54a through hole
54b inserting hole
55 card locking mechanisms
55A protuberance
55a flange part
55B bar portion
55C elastomer
56 rotary shafts
57 retainers
58 fixtures
59 buffer units
59a insertion section
59b head
60 parking brakes
61 brake operating portions
61X main part
61A kink
62 drive divisions
62A bends connecting portion
63 link rod parts
63a retainer
64 fixed parts
64A first fixes axle
64B second fixes axle
65 rotary shafts
66 press sections
66A insertion section
66a raised line
67 handle parts
67a anti-slip part
68 linkages
69 braking connection slits
70 suturing parts
71 firmwares
72 coating members
73 velcros
73A the first velcro
73B the second velcro
74 handle portions
75 firmwares
76 collecting bags
77 supporting strips
78 velcros
78A the first velcro
78B the second velcro
78a arm side velcro
78b slit portion side velcro
78c pars intermedia velcro
80 principal arm portions
81 auxiliary portions
82 arm caps
83 anti-slip part
83A the first anti-slip part
83B the second anti-slip part
84 slit portions
84A the first slit portion
84B the second slit portion
85 bearing portions
86 locking grooves
89 arm retainers
90 are situated between to protect uses brake
91 brake bars
92 brake lines
93 retainer ring
M centrage
N connecting line

Claims (9)

1. a wheelchair, it is characterised in that possess:
A pair liang of body side frame, connects outside it and has driving wheel；
Folding connecting rod, it connects the pair of two body side frames, and upper end connection has portion's framework；
Pliability seat portion sheet, its both sides are connected with described seat portion framework；
Universal trundle, it is connected with the anterior of described two body side frames, it is possible to change direction in horizontal plane；And
Leg rest platform, it is connected with described two body side frames,
Described two body side frames possess:
Upper surface have the horizontal attitude to ancon to ancon framework；
With the described upper and lower frames being connected to the rearward end of ancon framework；
Underframe with the horizontal attitude that the bottom of described upper and lower frames is connected；
It is disposed in the described central frame supporting ancon framework and the horizontal attitude of the centre of described upper and lower frames；And
The front baffle that the front end of described central frame is connected with described underframe,
Described it is configured at as in the frame surface of vertical to ancon framework, described central frame and described front baffle, and And,
Axletree is fixed on the outside of the bottom of described upper and lower frames by described two body side frames with horizontal attitude, and described axletree is by institute State driving wheel can connect in the way of rotating,
For described two body side frames, the inside lateral buckling of a part of described upper and lower frames and described underframe is processed, makes institute State the fixed position of axletree in than described frame surface position in the inner part.
Wheelchair the most according to claim 1, it is characterised in that
Described underframe possesses: the main body frame portion being connected with described upper and lower frames；Before being connected with the lower end of described front baffle End；And connect described main body frame portion and the connecting portion of described leading section,
Described leading section is configured at the position higher than described main body frame portion, and the wheel of described universal trundle is swinging Mode is configured at the space formed below in this leading section.
3. a wheelchair, it is characterised in that possess:
A pair liang of body side frame, connects outside it and has driving wheel；
Folding connecting rod, it connects the pair of two body side frames, and upper end connection has portion's framework；
Pliability seat portion sheet, its both sides are connected with described seat portion framework；
Universal trundle, it is connected with the anterior of described two body side frames, it is possible to change direction in horizontal plane；And
Leg rest platform, it is connected with described two body side frames,
Described universal trundle possesses: be fixed on the fixing axle of described two body side frames；Relative to described fixing axle in horizontal plane The furcation rotatably connected；And the wheel being rotatably connected with the front end of described furcation,
The fixing axle of described universal trundle is fixed on the lateral surface of leading section by the pair of two body side frames, and,
When make the pair of two body side frames close to and wheelchair is folded, be positioned at about the consolidating of described universal trundle The diameter (R) that dead axle spacing (D) is set to the described wheel of trundle more universal than this is big.
4. a wheelchair, it is characterised in that possess:
A pair liang of body side frame, connects outside it and has driving wheel；
Folding connecting rod, it connects the pair of two body side frames, and upper end connection has portion's framework；
Pliability seat portion sheet, its both sides are connected with described seat portion framework；
Universal trundle, it is connected with the anterior of described two body side frames, it is possible to change direction in horizontal plane；And
Leg rest platform, it is connected with described two body side frames,
Described two body side frames possess upper surface have the horizontal attitude to ancon to ancon framework,
The described transverse width to ancon be more than the described external diameter to ancon framework, and described to ancon relative to this support ancon Framework configures the most prejudicially.
Wheelchair the most according to claim 4, it is characterised in that
Described is to possess buffer unit on top and possess the bilayer of supporting board in the lower section of described buffer unit to ancon Structure.
Wheelchair the most according to claim 5, it is characterised in that
Described possess at the lower surface of described supporting board to ancon make described to support the retention groove that ancon framework is chimeric.
7. a wheelchair, it is characterised in that possess:
A pair liang of body side frame, connects outside it and has driving wheel；
Folding connecting rod, it connects the pair of two body side frames, and upper end connection has portion's framework；
Pliability seat portion sheet, its both sides are connected with described seat portion framework；
Universal trundle, it is connected with the anterior of described two body side frames, it is possible to change direction in horizontal plane；And
Leg rest platform, it is connected with described two body side frames,
Described two body side frames possess:
Upper surface have the horizontal attitude to ancon to ancon framework；
With the described upper and lower frames being connected to the rearward end of ancon framework,
In the upper end of described upper and lower frames, folding to connect freely via connector has handle portion,
Described connector possesses:
Connecting portion, described connecting portion is fixed in the upper end of described upper and lower frames；
Rotation section, it rotatably connects relative to described connecting portion, and described handle portion is fixed on described rotation section；
Card locking mechanism, it makes described connecting portion and described rotation section connect under locking state；And
Action bars, it is for releasing the locking state of described connecting portion and described rotation section,
Described connector be formed to control locking state that described upper and lower frames and described handle portion connect with linearity, with And described action bars is operated, so that the non-locking state that described handle portion is folded to the rear of described upper and lower frames.
Wheelchair the most according to claim 7, it is characterised in that
Described connector possesses buffer unit between described connecting portion and described rotation section, in described connecting portion and Under the locking state of described rotation section, flexibly clamp described buffer unit by this connecting portion and this rotation section.
Wheelchair the most according to claim 7, it is characterised in that
Described connector can release locking state to described handle portion when being pressed by described action bars, and is inciting somebody to action Described action bars can release locking state under the state of the direction stretching contrary with described handle portion.
CN201620518513.6U 2016-05-31 2016-05-31 Wheelchair Active CN205832050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620518513.6U CN205832050U (en) 2016-05-31 2016-05-31 Wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620518513.6U CN205832050U (en) 2016-05-31 2016-05-31 Wheelchair

Publications (1)

Publication Number Publication Date
CN205832050U true CN205832050U (en) 2016-12-28

Family

ID=57623471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620518513.6U Active CN205832050U (en) 2016-05-31 2016-05-31 Wheelchair

Country Status (1)

Country Link
CN (1) CN205832050U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109998808A (en) * 2018-01-05 2019-07-12 纬创资通股份有限公司 Rotary positioning mechanism and carrier
SE1951163A1 (en) * 2019-10-15 2021-04-16 Etac Ab A post for a footrest of a wheelchair or shower chair, and a corresponding footrest and a wheelchair or shower chair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109998808A (en) * 2018-01-05 2019-07-12 纬创资通股份有限公司 Rotary positioning mechanism and carrier
SE1951163A1 (en) * 2019-10-15 2021-04-16 Etac Ab A post for a footrest of a wheelchair or shower chair, and a corresponding footrest and a wheelchair or shower chair
SE543768C2 (en) * 2019-10-15 2021-07-13 Etac Ab A post for a footrest of a wheelchair or shower chair, and a corresponding footrest and a wheelchair or shower chair

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