CN100522123C - Bracket for wheelchair - Google Patents
Bracket for wheelchair Download PDFInfo
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- CN100522123C CN100522123C CNB2004100742667A CN200410074266A CN100522123C CN 100522123 C CN100522123 C CN 100522123C CN B2004100742667 A CNB2004100742667 A CN B2004100742667A CN 200410074266 A CN200410074266 A CN 200410074266A CN 100522123 C CN100522123 C CN 100522123C
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Abstract
Provided is a body frame for a wheelchair compactly stored while adjusting a user's posture freely. This body frame 10 for the wheelchair is provided with a main frame 11, a back frame 12 and a seat frame 13. The body frame 10 for the wheelchair is provided with a hinge mechanisms 31, 38, 53, 56 for realizing reclining, and a pair of cross members 15, 16 for realizing folding operation. The main frame 11 and the seat frame 13 are longitudinally divided in two parts by providing the hinge mechanisms 31, 38, 53, 56. The center of each of the hinge mechanisms 31, 38, 53, 56 exists on the same imaginary axis extended along a lateral direction. The pair of cross members 15, 16 are arranged frontward from the respective hinge mechanisms 31, 38, 53, 56.
Description
Invention field
The present invention relates to the chair shelf structure that wheelchair adopted for uses such as people with disability, old people and the woundeds.
Background technology
Wheelchair is the instrument that uses for handicapped person, and it not only can be used as the chair of sitting down and is used, can also be as the Move tool that replaces walking to be used for moving.Therefore, for wheelchair, it is very important can allowing user cosily use this point, so some wheelchair is provided with dumpable seat (for example, the Japan Patent spy opens communique 2003-No. 190222).For the former dumpable seat that wheelchair adopted, the back part that it has the seat part and is arranged on part rear, seat, when toppling over, back part can tilted rearward.
For former dumpable seat, only be that the relative seat of back part part tilts.Therefore, when user was in the state that is sitting on the wheelchair, when holding up when back part was fallen etc., the relative seat portion of the buttocks of user branch produced skew again.Therefore, it is unnatural that the posture of user becomes, and has to allow user feel tired problem.
In addition, though the wheelchair person's of being to use Move tool when user need go on a long journey, wishes that wheelchair itself can be carried on automobile etc.And, also wish wheelchair have when not using can compact storage structure.
Summary of the invention
The present invention is based on above-mentioned background and produces.The objective of the invention is to: a kind of bracket for wheelchair is provided, is applicable in the wheelchair, user can freely be adjusted posture, and wheelchair can compact storage.
(1) in order to reach above-mentioned purpose, bracket for wheelchair of the present invention has seat surface and divides parts and be arranged on the back side that this seat surface divides on parts and divide parts.Seat surface is divided parts and is split into front side member and rear side parts two parts between linkage, makes the latter half of seat surface and the back side tilt by the relative front side member pitching of rear side parts.
In the present invention, when the relative front side member of rear side parts fell down, the rear part of seat surface and the back side tilted.Therefore, when tilting, wheelchair user's buttocks rearward bottom sinks, and makes the back tilted rearward of user.Therefore, the posture of user can not become unnatural.In addition, when once more the relative front side member of rear side parts being holded up because the rear part and the back side of seat surface holds up, thus the buttocks of user when forwards move on top back also forwards hold up.Therefore, the posture of user can not become unnatural.
Here, preferably above-mentioned seat surface being divided parts disposes relatively at left and right directions, and main frame is set, this main frame has a pair of parts and is used for supporting respectively these seat surfaces division parts, simultaneously, under state in relative rotation, the crossing members that forms X word shape to being configured in seat surface and dividing parts and supporting between its parts, is made this seat surface divide parts and supports that its parts can be folding at left and right directions.
In this mechanism, by about relatively the seat surface of configuration distinguish the seat surface that parts constitute wheelchair.In addition, these seat surfaces division parts are supported by main frame.Specifically, support each seat surface by a pair of parts that have on the main frame and divide parts.And, divide parts by crossing members to connecting main frame and each seat surface, therefore, the rotation by each crossing members can make each seat surface divide parts and to support its parts approaching relatively along left and right directions.That is, can main frame and seat surface division parts is folding at left and right directions.
Above-mentioned crossing members is to preferably being set at the place ahead of above-mentioned linkage.In this structure, independently be configured for mechanism that folding main frame and seat surface divide parts and mechanism's (tipping mechanism) of tilting respectively for the rear part that makes above-mentioned seat surface and the back side.Therefore, can realize tipping mechanism and fold mechanism with simple structure.
(2) in order to reach above-mentioned purpose, for bracket for wheelchair of the present invention, it is characterized in that, comprise: main frame, have along left and right directions relatively configuration and forwards, backwards a pair of upper skeleton parts that extend of direction and below each upper skeleton parts with a pair of lower skeleton parts of this each upper skeleton parts configured in parallel; Mounting along each upper skeleton component configuration, has a pair of seat surface and divides parts, divides at this seat surface the cushion part that constitutes seat surface is installed on the parts; Back frame is arranged on the rear end part of each upper skeleton parts, has a pair of back side and divides parts, divides at this back side the cushion part that constitutes the back side is installed on the parts; Crossing members is right, and it has a crossing members, an end is connected in first seat surface divides the place ahead part of parts and the gripper shoe that the other end is connected in the second lower skeleton parts; And another crossing members, an end is connected in second seat surface divides the place ahead part of member and the gripper shoe that the other end is connected in the first lower skeleton parts, form X word shape in conjunction with mutual middle body freely by rotation; And supporting mechanism, main frame supports mounting relatively for the geometry site of keeping the relative main frame of mounting; Upper skeleton parts and back upper skeleton parts two parts before above-mentioned each upper skeleton parts are split into, and the connection by first linkage makes back upper skeleton parts to carry out pitching by preceding relatively upper skeleton parts, simultaneously, above-mentioned each seat surface is divided parts and is split into preceding seat surface division parts and back seat surface division parts two parts, and the connection by second linkage makes seat surface division parts in back to carry out pitching by preceding relatively seat surface division parts, and above-mentioned crossing members is to being configured in the place ahead of first linkage and the second linkage both sides.
In the present invention, the installation cushion part constitutes seat surface on the parts by dividing at the seat surface of mounting.The installation cushion part constitutes the back side on the parts by dividing at the back side of back frame.Back frame is because be arranged on the upper skeleton parts of main frame, so it falls down to make back side tilted rearward by first linkage downwards by making back upper skeleton parts.In addition, for mounting, it falls down to make the rear part of seat surface to sink by second linkage downwards downwards by making the back seat surface divide parts.That is, the back side tilted rearward when rear part of seat surface is sunk downwards, therefore, topple at the seat surface and the back side.
In addition, first seat surface of mounting is divided parts and is connected by a crossing members with the second lower skeleton parts, and second seat surface of mounting is divided parts and is connected by another crossing members with the first lower skeleton parts, therefore, the seat surface of the upper skeleton parts of pair of right and left and lower skeleton parts and pair of right and left divide parts by the crossing members that forms X word shape to being connected.Therefore, change the distance that the upper skeleton parts of pair of right and left and lower skeleton parts and seat surface are divided the left and right directions of parts by changing the right intersecting angle of crossing members.That is, make that by changing the right intersecting angle of crossing members bracket for wheelchair can be folding at left and right directions.
At this moment because mounting is connected with main frame between supporting mechanism, so when bracket for wheelchair when left and right directions is folding, the relative main frame of mounting is kept geometry site.Therefore, because the relative main frame of mounting can free to deflect and simplifies the jackknife action of bracket for wheelchair.And, by with crossing members to being configured in the place ahead of each linkage, and can with the mechanism that is used for realizing toppling over be used for realizing that the mechanism that folds is independent respectively and constitute.Therefore, can realize tipping mechanism and fold mechanism with simple structure.
Here, above-mentioned first linkage comprises the preceding block parts that is arranged on above-mentioned preceding upper skeleton parts rear end, the back block parts that is arranged on above-mentioned back upper skeleton parts front end and the connecting pin that connects both.At this moment, on any one party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with axial region; On any the opposing party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with recess; Above-mentionedly be entrenched in this in conjunction with in the recess and can rotate along the direction of above-mentioned pitching central axis, according to the rules fitness in conjunction with axial region.
In this structure, realize that first linkage of pitching action constitutes by a pair of block parts before and after connecting.At this moment, because be arranged on both being embedded in conjunction with in the recess, can guarantee the high rigidity of first linkage in conjunction with axial region.That is, because be entrenched in conjunction with in the recess in conjunction with the fitness of axial region with regulation, the preceding relatively upper skeleton parts of upper skeleton parts can not produce distortion after the institute, and correctly rotate around the pitching central axis.Therefore, when the rear of seat surface parts and back side inclination, the advantage that has bracket for wheelchair can not twist.
Block parts and above-mentioned back block parts preferably engage (rabbet joint) along above-mentioned pitching central axis groove and tongue before above-mentioned.In described structure, because forming groove and tongue mutually, front and back two block parts engage, so the advantage of the hardness of above-mentioned first linkage of further raising is arranged.
The pitching central axis of above-mentioned first linkage is preferably consistent with the pitching central axis of above-mentioned second linkage.In this structure, because the bending position of the rear part of seat surface is consistent with the bent position of main frame, so when toppling over, adopt the user of the wheelchair of this bracket for wheelchair can not feel under the weather.
Above-mentioned supporting mechanism has: the cartridge that is provided with along the vertical direction, connect above-mentioned upper skeleton parts and above-mentioned lower skeleton parts, and the upper end is connected the bar-like member of inserting logical above-mentioned cartridge on the above-mentioned seat surface division parts, from end portion.In this structure, lead in cartridge because bar-like member inserted, so this bar-like member is being located in the cartridge at the state of above-below direction displacement.Its result can keep the geometry site of main frame and mounting.That is, because cartridge and bar-like member have simple structure, so the advantage that can keep main frame and mounting geometry site is arranged.
For above-mentioned seat surface divide in the parts the above-mentioned crossing members of connection concerning part, constitute by interior spindle unit is inserted to lead in outer cylinder member, outer cylinder member preferably mutually internally spindle unit can be the structure that the center rotates freely with the direction of principal axis.In this structure, because the internal mutually spindle unit of outer cylinder member is that the center can rotate with the direction of principal axis, so as mentioned above, even change the right intersecting angle of crossing members, rotation by outer cylinder member so, then seat surface division parts also rotate, thereby make the variation of the intersecting angle that this crossing members is right offset.Its result for example, divides on the parts even cushion part is fixed on seat surface, can prevent also that this cushion part from being drawn back strongly or lax.
(3) in addition, in order to reach above-mentioned purpose, for bracket for wheelchair of the present invention, it is characterized in that, comprise: main frame, have along left and right directions relatively configuration and forwards, backwards a pair of upper skeleton parts that extend of direction and below each upper skeleton parts with a pair of lower skeleton parts of this each upper skeleton parts configured in parallel; Mounting, the first half configuration along each upper skeleton parts has a pair of seat surface and divides parts, divides at this seat surface the cushion part that constitutes the seat surface first half is installed on the parts; Back frame is arranged on the rear end part of each upper skeleton parts, has a pair of back side and divides parts, divides at this back side the cushion part that constitutes the back side is installed on the parts; Crossing members is right, it has a crossing members, one end is connected in first seat surface divides the gripper shoe that parts and the other end are connected in the second lower skeleton parts, and another crossing members, one end is connected in second seat surface divides the gripper shoe that member and the other end are connected in the first lower skeleton parts, form X word shape in conjunction with mutual middle body freely by rotation; And supporting mechanism, main frame supports mounting relatively for the geometry site of keeping the relative main frame of mounting; Back upper skeleton parts two parts that above-mentioned each upper skeleton parts are split into the preceding upper skeleton parts that constitute this upper skeleton parts first half and the cushion part that constitutes the seat surface latter half is installed, and the connection by linkage makes upper skeleton parts preceding relatively upper skeleton parts in back can carry out pitching, and above-mentioned crossing members is to being configured in the place ahead of this linkage.
In this structure, divide the first half that constitutes seat surface on the parts by the seat surface that cushion part is installed in mounting, by cushion part being installed in the latter half that constitutes seat surface on the upper skeleton parts of back.In addition, by constituting the back side on the back side division parts that cushion part are installed in back frame.Then, fall down downwards by linkage by back upper skeleton parts, the rear part of seat surface is also sunk downwards.At this moment, because back frame is set on the upper skeleton parts of main frame, so fall down to make back side tilted rearward downwards by back upper skeleton parts.That is, also tilted rearward of the back side when rear part of seat surface is avaled downwards, thus topple at the seat surface and the back side.
In addition, first seat surface of mounting is divided parts and is connected by a crossing members with the second lower skeleton parts, and second seat surface of mounting is divided parts and is connected by another crossing members with the first lower skeleton parts, so the crossing members of the seat surface of the upper skeleton parts of pair of right and left and lower skeleton parts and pair of right and left division parts by formation X word shape is to being connected.Therefore, change the distance that the upper skeleton parts of pair of right and left and lower skeleton parts and seat surface are divided the left and right directions of parts by changing the right intersecting angle of crossing members.That is, by changing the right intersecting angle of crossing members, bracket for wheelchair can be folding at left and right directions.
At this moment because mounting is connected with main frame between supporting mechanism, so, when bracket for wheelchair when left and right directions is folding, the relative main frame of mounting is kept geometry site.Therefore, because the relative main frame of mounting can free to deflect, so can simplify the jackknife action of bracket for wheelchair.And, by with crossing members to being configured in the place ahead of above-mentioned linkage, the mechanism that realizes the mechanism of toppling over and be used for realizing folding is independent respectively to be constituted so can be used in.Therefore, can realize tipping mechanism and fold mechanism with simple structure.
Above-mentioned linkage comprises the preceding block parts that is arranged on above-mentioned preceding upper skeleton parts rear end, the back block parts that is arranged on above-mentioned back upper skeleton parts front end and the connecting pin that connects both.At this moment, adopt following structure: on any one party of pro-block parts or back block parts, form outstanding along the pitching central axis of above-mentioned back upper skeleton parts in conjunction with axial region; On any the opposing party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with recess; Above-mentioned in conjunction with axial region along the direction of above-mentioned pitching central axis, according to the rules fitness and be entrenched in this in conjunction with in the recess and can rotate.
In this structure, realize that the linkage of pitching constitutes by a pair of block parts before and after connecting.At this moment, because be arranged on being embedded in conjunction with in the recess on both, can guarantee the high rigidity of linkage in conjunction with axial region.That is,, make upper skeleton parts preceding relatively upper skeleton parts in back can not twist, thereby the pitching central axis that can detour correctly rotate by being entrenched in conjunction with in the recess in conjunction with the fitness of axial region with regulation.Therefore, when topple at the rear of seat surface part and the back side, have to make bracket for wheelchair not produce the advantage of distortion.
Block parts and above-mentioned back block parts preferably engage along above-mentioned pitching central axis groove and tongue before above-mentioned.In this structure, because forming groove and tongue mutually, former and later two block parts engage, so the advantage of the hardness of the above-mentioned linkage of further raising is arranged.
Above-mentioned supporting mechanism has: connect the mid portion of an above-mentioned crossing members and first pitman of above-mentioned main frame, and connect the mid portion of above-mentioned another crossing members and second pitman of above-mentioned main frame.At this moment, the rotation of the two end portions of each pitman connects above-mentioned each crossing members and above-mentioned main frame comfortablely.In this structure, when bracket for wheelchair when left and right directions is folding, a pair of upper skeleton parts and lower skeleton parts are near each other, and it is near each other to divide parts along a pair of seat surface of each upper skeleton component configuration.At this moment, connect a crossing members and main frame, connect another crossing members and main frame by second pitman by first pitman, so, the relative main frame of the mounting that connects on each crossing members and keep geometry site.Therefore, the relative main frame of mounting can free to deflect, can be simply and carry out bracket for wheelchair ground jackknife action smoothly.
(4) for this above-mentioned invention, because the rear part of seat surface and the back side can be toppled over, so, user for the wheelchair that adopts this bracket for wheelchair, because buttocks also sank downwards when rearward fell down in the back when toppling over, do not move so posture is produced, can cosily realize toppling over.And, right by the configuration crossing members, can make bracket for wheelchair folding, thus adopt the wheelchair of this bracket for wheelchair can compact storage, thereby, be easy to carry in automobile etc.
Description of drawings
Fig. 1 is the axonometric chart of the bracket for wheelchair of an embodiment of the present invention.
Fig. 2 is the amplification front elevation of the linkage that bracket for wheelchair adopted of an embodiment of the present invention.
Fig. 3 is that amplification view is decomposed in a part of cross section of the linkage that bracket for wheelchair adopted of an embodiment of the present invention.
Fig. 4 is the major part amplification front elevation of back upper skeleton parts of the bracket for wheelchair of an embodiment of the present invention.
Fig. 5 is V-V sectional view of Fig. 4.
Fig. 6 is the VI one VI sectional view of Fig. 4.
Fig. 7 is the major part amplification front elevation of back upper skeleton parts of the bracket for wheelchair of first embodiment of the present invention.
Fig. 8 is the major part amplification view of back upper skeleton parts of the bracket for wheelchair of first embodiment of the present invention.
Fig. 9 is the major part enlarged side view of back upper skeleton parts of the bracket for wheelchair of first embodiment of the present invention.
Figure 10 is the major part amplification exploded perspective view that the seat surface of the bracket for wheelchair of first embodiment of the present invention is divided parts.
Figure 11 is the side view of the bracket for wheelchair of first embodiment of the present invention.
Figure 12 is the side view of the bracket for wheelchair of first embodiment of the present invention.
Figure 13 is the front view of the bracket for wheelchair of first embodiment of the present invention.
Figure 14 is the front view of the bracket for wheelchair of first embodiment of the present invention.
Figure 15 is the axonometric chart of the bracket for wheelchair 80 of second embodiment of the present invention.
Figure 16 is XVI-XVI cross section of Figure 15.
The specific embodiment
Below, the present invention is described in detail based on optimum embodiment in the suitable accompanying drawing of reference.
(first embodiment)
(1) general introduction of present embodiment and characteristics
Fig. 1 is the axonometric chart of the bracket for wheelchair 10 of first embodiment of the invention.
This bracket for wheelchair 10 is the skeletons that constitute wheelchair, its have main frame 11, with the integrally formed back frame 12 of main frame 11, along the supporting mechanism 14 of the mounting 13 of main frame 11 configurations, relative main frame 11 location maintenance mountings 13 and the cross unit that disposes as described later to 15,16.
The bracket for wheelchair 10 of present embodiment is characterised in that: at the mid portion of mounting 13, this mounting 13 can be crooked with main frame 11, therefore can the rear part of mounting 13 be sunk downwards; And can bracket for wheelchair 10 is folding at left and right directions to 15,16 by above-mentioned each cross unit.Below, the structure of bracket for wheelchair 10 is elaborated.
(2) structure of main frame
In the present embodiment, be provided with reinforcing member 25～28 for the high rigidity of keeping main frame 11.Reinforcing member 25～28 is for example constituted by the pipe that is formed by metals such as aluminium alloys.Reinforcing member 25～28 is roughly L-shaped.Reinforcing member 25 connects the upper part of above-mentioned link 21 and the mid portion of upper skeleton parts 17.Reinforcing member 26 connects the mid portion of upper skeleton parts 17 and the upper part of above-mentioned link 22.Equally, reinforcing member 27 connects the upper part of above-mentioned link 23 and the mid portion of upper skeleton parts 18.Reinforcing member 28 connects the mid portion of upper skeleton parts 18 and the upper part of above-mentioned link 24.In addition, also be provided with the carriage 34 that is used to support aftermentioned telescoping cylinder C in the rear end of reinforcing member 26,28.
(3) back frame
Above-mentioned each bar- like member 32,33 extends obliquely upward.At each bar- like member 32,33 of left and right directions configured in parallel.On these bar- like members 32,33, cushion part is installed, is constituted the seat cushion back side of wheelchair by the installation cushion part.In addition, each bar- like member 32,33 is provided with the carriage 35 that is used to support telescoping cylinder C.At this moment, for example adopt the cylinder that to stretch as telescoping cylinder C.And, be connected with above-mentioned carriage 35 and carriage 34 by two ends telescoping cylinder C, make this telescoping cylinder C be configured between main frame 11 and the back frame 12.
(4) first linkages
The upper skeleton parts 17 that constitute main frame 11 are split into preceding upper skeleton parts 29 and back upper skeleton parts 30 two parts.Preceding upper skeleton parts 29 and back upper skeleton parts 30 connect also and can rotate between linkage 31 (first linkage).Equally, upper skeleton parts 36 and back upper skeleton parts 37 two parts before upper skeleton parts 18 are split into, both connect also and can rotate between linkage 38 (first linkage).Simultaneously, above-mentioned reinforcing member 25,27 is connected with a top side of above-mentioned preceding upper skeleton parts 29,36.
Make back upper skeleton parts 30,37 can distinguish preceding relatively upper skeleton parts 29,36 pitching by these linkages 31,38.Therefore, if preceding relatively upper skeleton parts 29,36 pitching of back upper skeleton parts 30,38, the then rear part of main frame 11 (back upper skeleton parts 30,38) downside inclination (sinking to) rearward.In addition, if preceding relatively upper skeleton parts 29,36 pitching of back upper skeleton parts 30,38, then back frame 12 rearward falls down.At this moment because back frame 12 between above-mentioned telescoping cylinder C and relatively main frame 11 connect and support, so, rearward fall down by back frame 12 and to shorten telescoping cylinder C.On the contrary, forwards hold up by back frame 12 and extend telescoping cylinder C.
Fig. 2 is the amplification front elevation of linkage 38, and Fig. 3 is that amplification view is decomposed in a part of cross section of linkage 38.In addition, bindiny mechanism 31 is identical with the structure of bindiny mechanism 38.Therefore, only the structure of linkage 38 is described below and omit explanation linkage 31.
As shown in these figures, linkage 38 has preceding block parts 39, back block parts 40 and connecting pin 41.And, in Fig. 3, omitted the diagram of connecting pin 41.Preceding block parts 39 is installed in the rear end of above-mentioned preceding upper skeleton parts 36, and back block parts 40 is installed in the front end of above-mentioned back upper skeleton parts 37.
Fig. 4 is the amplification front elevation of the major part of the preceding upper skeleton parts 36 of block parts 39 structures before being used to represent, Fig. 5 is V-V sectional view of Fig. 4, and Fig. 6 is VI-VI sectional view of Fig. 4.In addition, Fig. 7 is the amplification front elevation of the major part of the back upper skeleton parts 37 of block parts 39 structures after being used to represent, Fig. 8 is the amplification view of major part, and Fig. 9 is the enlarged side view of major part.
As Fig. 2 and Fig. 3 (also can be suitably with reference to shown in the figure 4～Fig. 6), preceding block parts 39 is the slightly rectangular bulks of profile.Pro-block parts 39 upper edge left and right directions (being above-below direction in Fig. 3) form section shape part 42 (slot-open-sections).On this section shape part 42, also be provided with along equidirectional recess 43 (in conjunction with recess).This recess 43 is circular.The internal diameter of recess 43 accurately is processed into certain size well.And, at the middle body of this recess 43 along the equidirectional through hole 44 that also further is provided with perforation.This through hole 44 can be inserted into above-mentioned connecting pin 41.
In addition, the outer shape of back block parts 40 and above-mentioned preceding identical, the roughly rectangular bulk of block parts 39.Form section shape part 45 (slot-open-sections) at back block parts 40 upper edge left and right directions (being above-below direction) in Fig. 3.On this section shape part 45 along the equidirectional axial region 46 (in conjunction with axial region) that also further is provided with.This axial region 46 is cylindrical.The internal diameter of corresponding above-mentioned the recess 43 and external diameter of this axial region 46 accurately is processed into certain size well.That is, axial region 46 cooperates with recess 43 by the fitness of regulation.Therefore, axial region 46 relatively recess 43 do not carry out stable rotation loosely.In addition, at the middle body of this axial region 46 along the equidirectional through hole 47 that is provided with perforation.This through hole 47 is used to make above-mentioned connecting pin 41 to insert logical.
As shown in Figure 3, preceding block parts 39 and back block parts 40 are chimeric along left and right directions.At this moment, because be formed with above-mentioned section shape part 42,45 on both, block parts 39 and back block parts 40 are with so-called " groove and tongue joint " combinations of states before the institute.And the axial region 46 of back block parts 40 combines with the recess 43 of preceding block parts 39.Under this state, though diagram not in the figure, above-mentioned connecting pin 41 is inserted in the through hole 44,47, guarantees to be connected under pro-block parts 39 and the state that afterwards block parts 40 can rotate.Simultaneously, in the present embodiment,, make that connecting pin 41 can be easy to insert wherein to through hole 47 processing of holing.
(5) mounting
Then, as shown in Figure 1, mounting 13 has a pair of seat surface and divides parts 48,49 (dividing the parts of seat surface).Seat surface is divided parts 48,49 respectively along the direction extension forwards, backwards of above-mentioned upper skeleton parts 17,18.On these seat surfaces division parts 48,49, cushion part is installed.Divide the seat surface that constitutes wheelchair on the parts 48,49 by cushion part being installed in seat surface.Simultaneously, in the present embodiment, with supported state seat surface is divided the side that parts 48,49 are configured in upper skeleton parts 17,18 by bearing instrument 50.
This bears instrument 50 except can being made of metals such as aluminium alloys, can also be made of rubber or resin etc.In the present embodiment, bear instrument 50 for roughly being the U font shown in this figure.Bearing instrument 50 is installed on the upper skeleton parts 17,18.And, bear instrument 50 by this and support seat surface division parts 48,49, thereby can avoid it directly to contact with upper skeleton parts 17,18.Simultaneously, bearing instrument 50 also can be provided with a plurality of along fore-and-aft direction.
(6) second linkages
The seat surface division parts 48 that constitute mounting 13 are divided into preceding seat surface and divide parts 51 and back seat surface division parts 52 two parts.Preceding seat surface divides parts 51 and back seat surface division parts 52 connect also and can rotate between linkage 53 (second linkage).Equally, seat surface was divided parts 54 and the back seat surface is divided parts 55 two parts before above-mentioned seat surface was divided parts 49 and is divided into.Preceding seat surface divides parts 54 and back seat surface division parts 55 connect also and can rotate between linkage 56 (second linkage).By these linkages 53,56, back seat surface is divided parts 52,55 can carry out pitching by preceding relatively respectively seat surface division parts 51,54.Therefore, as previously mentioned, if constitute back upper skeleton parts 30,37 pitching of main frame 11, the back seat surface that then constitutes mounting 13 is divided parts 52,55 also with these back upper skeleton parts 30,37 pitching.Be elaborated again in the back for the action effect that produces therefrom.
Figure 10 is the amplification exploded perspective view that above-mentioned seat surface is divided the major part of parts 48, shows the structure of linkage 53.Simultaneously, linkage 56 is identical with the structure of linkage 53.Therefore, only the structure of linkage 53 is described below and omit explanation linkage 56.
As shown in the drawing, linkage 53 have be darted at before seat surface divide the roughly rectangular connection board 57 of parts 51 rear ends, along axially dividing ditch 58 and the connecting pin 59 that parts 52 front ends are provided with at the back seat surface.And, connect the inside that board 57 is embedded in ditch 58, under this state, connecting pin 59 inserted and lead among both.Therefore, the preceding relatively seat surface division of back seat surface division parts 52 parts 51 can be the pitching of pitching center with connecting pin 59.That is, constitute U-shaped adapter (clevis connector), connect by above-mentioned connecting pin 59 by above-mentioned connection board 57 and ditch 58.That is, at this moment, connecting pin 59 constitutes U-shaped pin (clevispin).
In addition, particularly in the present embodiment, as shown in Figure 1, the center of above-mentioned connecting pin 59 (virtual center axis) is consistent with the center (virtual center axis) of above-mentioned connecting pin 41.That is, the pitching central axis of the back upper skeleton parts 30 of above-mentioned first linkage 31 is consistent with the pitching central axis of the back seat surface division parts 52 of above-mentioned linkage 53.Same, the pitching central axis of the back seat surface division parts 55 of the pitching central axis of the back upper skeleton parts 37 of above-mentioned first linkage 38 and above-mentioned linkage 56 is consistent.Be elaborated again in the back for the action effect that produces therefrom.
And in the present embodiment, as shown in figure 10, preceding seat surface is divided parts 51 and is divided into two parts.Specifically, the place ahead part that preceding seat surface is divided parts 51 constitutes by cartridge 60 (outer cylinder member), and the rear part that the pro-seat surface is divided parts 51 forms chimeric spindle unit 61 (interior spindle unit).And, by this chimeric spindle unit 61 is embedded in the preceding seat surface division parts 51 that constitute in the cartridge 60 as a whole.
The crossing members that describes in detail again is connected with above-mentioned cartridge 60 15,16 later on.In addition, seat surface was divided on the rear end part of parts 51 the place ahead parts before chimeric spindle unit 61 was integrally formed in.Specifically, chimeric spindle unit 61 is to form by the external diameter that seat surface before dwindling is divided the place ahead part of parts 51.The internal diameter of cartridge 60 is corresponding with the external diameter of chimeric spindle unit 61.Therefore, when the direction along the arrow 62 of this figure was inserted into the inside of cartridge 60 with chimeric spindle unit 61, cartridge 60 was supported by gomphosis part 61 and can not produce loosening.And cartridge 60 can be that the chimeric relatively spindle unit 61 in center relatively rotates with the direction of principal axis.For the chimeric relatively spindle unit 61 of cartridge 60 action effect in relative rotation, describe again later on.Simultaneously, identical because preceding seat surface is divided parts 54 with the structure of preceding seat surface division parts 51, so omit its explanation.
(7) crossing members is right
Then, as shown in Figure 1, on the seat surface division parts 48,49 of formation mounting 13, be connected with above-mentioned crossing members to 15,16.Crossing members has pair of cross member 63,64 to 15.In the present embodiment, crossing members is identical to 16 structure with crossing members to 15, and crossing members is configured in crossing members to 15 rear and parallel to 15 with this crossing members to 16.In addition, each crossing members is to 15,16 the place aheads that are configured in mounting 13 and main frame 11.Specifically, each crossing members is to 15,16 the place aheads that are configured in above-mentioned linkage 31,38 and linkage 53,56 both sides.Action effect for producing therefrom describes in the back again.In addition, in the present embodiment, though be provided with two pairs of crossing members to 15,16, it is how right to crossing members also can be provided with, and it is right the pair of cross member only to be set.
In the present embodiment, each crossing members to 63,64 by constituting by metal pipes such as aluminium alloys.Certainly, each crossing members 63,64 for example also can pass through cornue or solid material formations such as (solid material).Each crossing members the 63, the 64th, the material of same structure, both are X shape cross-over configuration.Each crossing members 63,64 connects by rotary middle spindle 65.Therefore, each crossing members 63,64 is that center of rotation can rotate freely relatively with rotary middle spindle 65.Simultaneously, rotary middle spindle 65 waits by clasp (retainer) and prevents to break away from.
One end parts 66 of crossing members 63 (side crossing members) is fixedly connected on seat surface and divides on the above-mentioned cartridge 60 (with reference to Figure 10) of parts 48 (side seat surface is divided parts).The other end part 67 of crossing members 63 is connected with lower skeleton parts 20 (the opposing party's lower skeleton parts).In addition, an end parts (Fig. 1 is not shown) of crossing members 64 (the opposing party's crossing members) is fixedly connected on the cartridge (Fig. 1 is not shown) of seat surface division parts 49 (the opposing party's seat surface is divided parts).The other end part 68 of crossing members 64 is connected with lower skeleton parts 19 (side lower skeleton parts).Crossing members 64 also divides parts 48,49 with each seat surface and lower skeleton parts 19,20 are connected.Each end parts 66 of crossing members 63,64 etc. for example are fixed on seat surface by welding and divide on the parts 48,49 (specifically above-mentioned cartridge 60).
Each other end part 67,68 of crossing members 63,64 is connected with lower skeleton parts 20,19 between the unshowned supporting pin of figure.Specifically, on each lower skeleton parts 20,19, be respectively arranged with a pair of gripper shoe 69,70, in each other end part 67,68 of crossing members 63,64, insert supporting pin.Then, the two end portions of this supporting pin is supported on the gripper shoe 69,70.Therefore, the other end part 67,68 of crossing members 63,64 is with the state that can rotate relative to gripper shoe 69,70 and supported.
(8) supporting mechanism
In addition, as previously mentioned, mounting 13 is by as Fig. 1 and supporting mechanism 14 relative main frames 11 shown in Figure 10 and supported.This supporting mechanism 14 has connection tube 71 (cartridge) and pitman 72 (bar-like member).This supporting mechanism 14 is arranged on each lower skeleton parts 19,20.Simultaneously because each supporting mechanism 14 is identical structures, so following the supporting mechanism 14 that is configured in lower skeleton parts 19 1 sides described.
The connection tube 71 and the pitman 72 that constitute supporting mechanism 14 for example are made of metals such as aluminium alloys.The end portion of connection tube 71 is fixed on 11 the lower skeleton parts 19 that constitute main frame.In the present embodiment, connection tube 71 is connected with lower skeleton parts 19 between carriage 73.Simultaneously, the upper part of connection tube 71 also can be connected with upper skeleton parts 17 1 sides between carriage of needs etc.
In the bracket for wheelchair 10 of present embodiment, as previously mentioned, on link 21,23, castor is installed.On link 22,24, trailing wheel is installed.Back frame 12 and mounting 13 are equipped with cushion part.Therefore, constituted wheelchair with the back side and seat surface.Then, can realize following actions by this bracket for wheelchair 10.
(9) function of bracket for wheelchair
Figure 11 and Figure 12 are the side views of bracket for wheelchair 10.This figure is used to illustrate the action of toppling over of bracket for wheelchair 10.
As shown in figure 11, back frame 12 is set to one with the upper skeleton parts 17,18 of main frame 11.Back upper skeleton parts 30,37 are connected with preceding upper skeleton parts 29,36 between linkage 31,38.Therefore, as shown in figure 12, between linkage 31,38 back upper skeleton parts 30,37 are fallen down downwards, thereby make back frame 12 (back side) also tilt downwards.In addition, for mounting 13, it makes back seat surface division parts 52,55 topple over downwards between linkage 53,56, and therefore, the rear part of seat surface is sunk.That is, only be that the rear part of seat surface is sunk, make the seat back tilted rearward simultaneously, seat surface and seat back are toppled over.
Figure 13 and Figure 14 are the front views of bracket for wheelchair 10.This figure illustrates the jackknife action of bracket for wheelchair 10.
As shown in figure 13, mounting 13 is connected with main frame 11 between supporting mechanism 14, and is connected with main frame 11 15,16 between above-mentioned crossing members.Therefore, as shown in figure 14, the intersecting angle of 15,16 crossing members 63,64 is changed the distance that pair of right and left upper skeleton parts 17,18 and lower skeleton parts 19,20 and seat surface are divided the left and right directions of parts 48,49 by change constituting crossing members.That is, can be at left and right directions fully collapsible invalid's chair chair frame by the intersecting angle that changes crossing members 63,64.
And, at this moment, mounting 13 by supporting mechanism 14 relatively main frame 11 keep geometry sites, 11 of main frames slide at above-below direction relatively.Therefore, can carry out the jackknife action of bracket for wheelchair 10 smoothly.And, because crossing members is configured in the place ahead of above-mentioned each linkage 31,38,53,56 (with reference to Fig. 1) to 15,16, so be used to realize above-mentionedly topple over the mechanism of action and be used for realizing that the mechanism of jackknife action can distinguish independent formation.This just means can be configured to realize the above-mentioned mechanism of toppling over the mechanism of action and being used for realizing jackknife action respectively easily and stably, and its result has the advantage of manufacturing cost of control bracket for wheelchair 10.
Therefore, in the bracket for wheelchair 10 of present embodiment,, do not move, therefore can cosily realize toppling over so the user of this bracket for wheelchair also can not make body gesture produce when toppling over because topple at the back side when the rear of seat surface part is sunk.And, make this wheelchair to fold because disposed crossing members to 15,16, so this wheelchair can be by compact storage, and be easy to carry in automobile etc.
Especially, in the bracket for wheelchair 10 of present embodiment, can also produce the following effects effect.
Realize the linkage the 31, the 38th of above-mentioned back upper skeleton parts 17,18 pitching, constitute by a pair of block parts 39,40 before and after connecting.At this moment, because the axial region 46 that is arranged on both is embedded in the recess 43, so can guarantee the high rigidity of these linkages 31,38.That is, the preceding relatively upper skeleton parts 29,36 of back upper skeleton parts 17,18 can not produce distortion, and the connecting pin 41 that can correctly detour rotates.Therefore, when toppled at seat surface rear part and the back side, bracket for wheelchair 10 was also non-warping, and the user of this wheelchair can realize toppling over safely.
In addition, above-mentioned a pair of block parts 39,40 central axis along connecting pin 41 (pitching central axis) form the groove and tongue joint.The advantage that therefore, above-mentioned linkage 31,38 hardness of further raising are arranged.And, because the pitching central axis of above-mentioned linkage 31,38 is consistent with the pitching central axis of linkage 53,56 respectively, so that the bending position of seat surface rear part is consistent with the bending position of main frame 11.Therefore, when toppling over, the user of this wheelchair can not feel under the weather, and can realize having more toppling over of the security.
And especially, in the present embodiment, supporting mechanism 14 has and pitman 72 can be inserted the logical structure that is supported on the connection tube 71.Therefore, can be simply and positively keep the geometrical relationship of main frame 11 and mounting 13, have the cheap advantage that constitutes supporting mechanism 14.
Add, divide at seat surface and to connect crossing members in the parts 48,49 to 15,16 part, that is, preceding seat surface is divided parts part 51,54 and is had chimeric spindle unit 60 is inserted the structures of leading in cartridge 60, thereby cartridge 60 can rotate axially by chimeric relatively spindle unit 61.Therefore, when the intersecting angle of crossing members 63,64 changed, seat surface was divided parts 48,48 rotations, made the variation of intersecting angle of this crossing members 63,64 cancel out each other.Its result even be fixed on seat surface when dividing on the parts 48,49 when cushion part, have and also can prevent the advantage that do not make this seat cushion member draw back strongly or relax.
(second embodiment)
Then, second embodiment of the present invention is described.
Figure 15 is the axonometric chart of the bracket for wheelchair 80 of second embodiment of the invention.
This bracket for wheelchair 80 is identical with the bracket for wheelchair 10 of above-mentioned first embodiment, and it has constituted the skeleton of wheelchair.Bracket for wheelchair 80 has main frame 11, keep the supporting mechanism 82 of mountings 81 with the integrally formed back frame 12 of main frame 11, along the mounting 81 of main frame 11 configurations, relative main frame 11 location and the cross unit that disposes as described later to 15,16.
The bracket for wheelchair 80 of present embodiment is with the difference of the bracket for wheelchair 10 of above-mentioned first embodiment:
(a) part is crooked relative therebetween with in the first embodiment mounting 13, and in the bracket for wheelchair 80 of present embodiment, mounting 81 (dividing the parts of seat surface) does not have crooked structure, disposes but divide along the front part of main frame 11;
(b) with in the first embodiment seat surface by mounting 13 constitute relative, in the bracket for wheelchair 80 of present embodiment, mounting 81 constitutes the place ahead part of seat surfaces, and the rear part of seat surface is made of main frame 11; And
(c) to have a connection tube 71 relative with pitman 72 with in the first embodiment supporting mechanism 14, and in the bracket for wheelchair 80 of present embodiment, it constitutes by flat bar 87,88.In addition, for other structures, identical with the bracket for wheelchair 10 of above-mentioned first embodiment.
Mounting 81 has a pair of seat surface and divides parts 84,85.Seat surface is divided parts 84,85 respectively along the direction extension forwards, backwards of above-mentioned upper skeleton parts 17,18.On these seat surfaces division parts 84,85, cushion part is installed.By dividing the first half that cushion part constitutes the wheelchair seat surface is installed on the parts 84,85 at seat surface.
In the present embodiment, the latter half of seat surface is made of the back upper skeleton parts 30,37 of main frame 11.That is, on these back upper skeleton parts 30,37, cushion part is installed.By on back upper skeleton parts 30,37, the latter half that cushion part constitutes the wheelchair seat surface being installed.Therefore, when user was sitting on this wheelchair, the thigh of user was divided 84,85 supports of parts to the part of knee by seat surface, and thigh to the part of buttocks is then supported by back upper skeleton parts 30,37.That is, in the present embodiment, these back upper skeleton parts 30,37 have the effect that seat surface is divided parts concurrently.
In the present embodiment, identical with the bracket for wheelchair 10 of above-mentioned first embodiment, seat surface is divided parts 84,85 and is supported by bearing instrument 86.That is, this bears instrument 86 and is fixed on the upper skeleton parts 17,18, and seat surface is divided the side that parts 84,85 are configured in upper skeleton parts 17,18 to be supported on this and to bear the state on the instrument 86.Simultaneously, in the figure,, in fact also has the instrument of bearing 86 in upper skeleton parts 18 1 sides though only show the instrument that bears 86 that is arranged on upper skeleton parts 17 1 sides in the drawings for simplification.
It is identical with the bracket for wheelchair 10 of above-mentioned first embodiment that this bears instrument 86, can also be made of rubber or resin etc. except can being made of metals such as aluminium alloys.Seat surface division parts 84,85 bear instrument 86 by this and are supported, and can avoid directly contacting with upper skeleton parts 17,18.In addition, also can a plurality of instruments 86 that bear be set along fore-and-aft direction.
Figure 16 is XVI-XVI cross section of Figure 15.The figure shows the structure of supporting mechanism 82.
As shown in the figure, supporting mechanism 82 has a pair of flat bar 87,88.Each flat bar 87,88 is of similar shape and structure, is configured to left-right symmetric.One side's flat bar 87 (first pitman) links together crossing members 63 and main frame 11 in the mechanics mode.Specifically, flat bar 87 is with on its both ends mid portion that is connected in crossing members 63 respectively and the reinforcing member 89 that is arranged on the main frame 11.At this moment, flat bar 87 is connected with crossing members 63 and reinforcing member 89 by pin 91.Particularly in the present embodiment, for the two end portions and crossing members 63 and reinforcing member 89 cooperation positions that make flat bar 87, flat bar 87 can be in the mid portion bending.
In addition, the opposing party's flat bar 88 (second pitman) links together crossing members 64 and main frame 11 in the mechanics mode.Specifically, flat bar 88 is with on its two end portions mid portion that is connected to crossing members 64 and the reinforcing member 90 that is arranged on the main frame 11.At this moment, flat bar 88 also is to connect by pin 91.Then, identical with above-mentioned flat bar 87, for two ends and reinforcing member 90 and crossing members 64 cooperation positions that make flat bar 88, flat bar 88 can be crooked at mid portion.
In addition, above-mentioned reinforcing member 89,90 is for example constituted by the tubular part that is made of metals such as aluminium alloys.Reinforcing member 89 is configured to crossbearer between upper skeleton parts 17 (upper skeleton parts 29 specifically) and lower skeleton parts 19, and reinforcing member 90 is configured to crossbearer between upper skeleton parts 18 (upper skeleton parts 36 specifically) and lower skeleton parts 20.Therefore, improved the hardness of main frame 11.But, also can omit reinforcing member 89,90.And when omitting reinforcing member 89,90, flat bar 87,88 is connected with other parts of main frame 11.
In the bracket for wheelchair 80 of present embodiment, between linkage 31,38, back upper skeleton parts 30,37 are toppled over downwards, and by like this, back frame 12 (back side) is also rearward toppled over.Therefore, also tilted rearward of the seat cushion back side when the rear of seat surface part is sunk, topple at the seat surface and the seat cushion back side.And, identical with the bracket for wheelchair 10 of above-mentioned first embodiment, by change constituting crossing members the intersecting angle of 15,16 crossing members 63,64 is changed the distance that pair of right and left upper skeleton parts 17,18 and lower skeleton parts 19,20 and seat surface are divided parts 84,85 left and right directions.That is, because change the intersecting angle of crossing members 63,64, therefore, bracket for wheelchair 10 direction to the left and right is folding.
And, at this moment, make mounting 81 relative main frames 11 keep geometry site by supporting mechanism 82.Therefore, can carry out the jackknife action of bracket for wheelchair 80 smoothly.And crossing members is to 15,16 the place aheads that are configured in above-mentioned each linkage 31,38.Therefore, can independently be configured for realizing the above-mentioned mechanism of toppling over the mechanism of action and being used to realize jackknife action respectively.This just means can be configured to realize the above-mentioned mechanism of toppling over the mechanism of action and being used to realize jackknife action respectively easily and at an easy rate.Its result has the advantage of the manufacturing cost that can control bracket for wheelchair 10.
Therefore, in the bracket for wheelchair 80 of present embodiment, also topple at the back side when the rear of seat surface part is sunk.Therefore, move even the posture of the user of this wheelchair is produced, thereby can cosily realize toppling over.And, to 15,16, make this wheelchair to fold by the configuration crossing members, so this wheelchair can be by compact storage, thereby is easy to carry in automobile etc.
Especially, in the bracket for wheelchair 80 of present embodiment, supporting mechanism 82 is made of flat bar 87,88.Therefore, it is very simple with the structure of mounting 81 geometry sites to be used for keeping main frame 11.Therefore, having can the cheap advantage that constitutes supporting mechanism 82.
In the present embodiment, because adopt above-mentioned linkage 31,38, so identical with above-mentioned first embodiment, back upper skeleton parts 17,18 can't produce distortion by preceding relatively upper skeleton parts 29,36, therefore can correctly rotate around connecting pin 41.Therefore, when toppled at the rear of seat surface part and the back side, bracket for wheelchair 80 was also non-warping, concerning the user of this wheelchair, the advantage of toppling over that can realize the security is arranged.But, also can adopt other linkage to replace this linkage 31,38, for example general in the past U-shaped adapter that adopts.
In addition, in the present embodiment, though dividing parts 84,85, seat surface directly is connected 15,16 with above-mentioned crossing members, but also can replace this structure, identical with above-mentioned first embodiment, seat surface division parts 84,85 can have cartridge (reference number 60 of Figure 10) and chimeric spindle unit (reference number 61 of Figure 10) constitutes.Under the situation that adopts this structure, when changing the intersecting angle of this crossing members 63,64, thereby seat surface is divided the variation that the intersecting angle of this crossing members 63,64 is offset in parts 84,85 rotations.Its result even be fixed on seat surface when dividing on the parts 84,85 when cushion part, can prevent also that this cushion part from being drawn back by brute force or lax.
Claims (10)
1. bracket for wheelchair comprises:
Main frame, have along left and right directions relatively configuration and forwards, backwards a pair of upper skeleton parts that extend of direction and below each upper skeleton parts with a pair of lower skeleton parts of this each upper skeleton parts configured in parallel;
Mounting along each upper skeleton component configuration, has a pair of seat surface and divides parts, divides at this seat surface the cushion part that constitutes seat surface is installed on the parts;
Back frame is arranged on the rear end part of each upper skeleton parts, has a pair of back side and divides parts, divides at this back side the cushion part that constitutes the back side is installed on the parts;
Crossing members is right, and it has: a crossing members is connected in first seat surface with an end and divides the place ahead part of parts and the gripper shoe that the other end is connected in the second lower skeleton parts; And another crossing members, an end is connected in second seat surface divides the place ahead part of member and the gripper shoe that the other end is connected in the first lower skeleton parts; Form X word shape in conjunction with mutual middle body freely by rotation; And
Supporting mechanism, main frame supports mounting relatively for the geometry site of keeping the relative main frame of mounting,
Upper skeleton parts and back upper skeleton parts two parts before above-mentioned each upper skeleton parts are split into, and the connection by first linkage makes back upper skeleton parts to carry out pitching by preceding relatively upper skeleton parts, simultaneously, above-mentioned each seat surface is divided parts and is split into preceding seat surface division parts and back seat surface division parts two parts, and the connection by second linkage makes seat surface division parts in back to carry out pitching by preceding relatively seat surface division parts
Above-mentioned crossing members is to being configured in the place ahead of first linkage and the second linkage both sides.
2. bracket for wheelchair as claimed in claim 1, wherein:
Above-mentioned first linkage comprises
Be arranged on the preceding block parts of above-mentioned preceding upper skeleton parts rear end, the back block parts that is arranged on above-mentioned back upper skeleton parts front end and the connecting pin that connects both;
On any one party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with axial region;
On any the opposing party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with recess;
Above-mentionedly be entrenched in this in conjunction with in the recess and can rotate along the direction of above-mentioned pitching central axis, according to the rules fitness in conjunction with axial region.
3. bracket for wheelchair as claimed in claim 2, wherein:
Block parts and above-mentioned back block parts engage along above-mentioned pitching central axis groove and tongue before above-mentioned.
4. bracket for wheelchair as claimed in claim 1, wherein:
The pitching central axis of above-mentioned first linkage is consistent with the pitching central axis of above-mentioned second linkage.
5. bracket for wheelchair as claimed in claim 1, wherein:
Above-mentioned supporting mechanism has:
The cartridge that is provided with along the vertical direction, connect above-mentioned upper skeleton parts and above-mentioned lower skeleton parts, and
The upper end is connected above-mentioned seat surface and divides the bar-like member of inserting logical above-mentioned cartridge on the parts, from end portion.
6. bracket for wheelchair as claimed in claim 1, wherein:
The right part of the above-mentioned crossing members of connection that above-mentioned seat surface is divided in the parts constitutes by interior spindle unit is inserted to lead in outer cylinder member, and outer cylinder member can internal mutually spindle unit be that the center rotates freely with the direction of principal axis.
7. bracket for wheelchair comprises:
Main frame, have along left and right directions relatively configuration and forwards, backwards a pair of upper skeleton parts that extend of direction and below each upper skeleton parts with a pair of lower skeleton parts of this each upper skeleton parts configured in parallel;
Mounting, the first half configuration along each upper skeleton parts has a pair of seat surface and divides parts, divides at this seat surface the cushion part that constitutes the seat surface first half is installed on the parts;
Back frame is arranged on the rear end part of each upper skeleton parts, has a pair of back side and divides parts, divides at this back side the cushion part that constitutes the back side is installed on the parts;
Crossing members is right, and it has: a crossing members is connected in first seat surface with an end and divides the gripper shoe that parts and the other end are connected in the second lower skeleton parts; And another crossing members, an end is connected in second seat surface divides the gripper shoe that member and the other end are connected in the first lower skeleton parts; Form X word shape in conjunction with mutual middle body freely by rotation; And
Supporting mechanism, main frame supports mounting relatively for the geometry site of keeping the relative main frame of mounting,
The back upper skeleton parts that above-mentioned each upper skeleton parts are split into the preceding upper skeleton parts that constitute this upper skeleton parts first half and the cushion part that constitutes the seat surface latter half is installed, and the connection by linkage makes upper skeleton parts preceding relatively upper skeleton parts in back can carry out pitching
Above-mentioned crossing members is to being configured in the place ahead of this linkage.
8. bracket for wheelchair as claimed in claim 7, wherein:
Above-mentioned linkage comprises
Be arranged on the preceding block parts of above-mentioned preceding upper skeleton parts rear end, the back block parts that is arranged on above-mentioned back upper skeleton parts front end and the connecting pin that connects both;
On any one party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with axial region;
On any the opposing party of pro-block parts or back block parts, form outstanding along above-mentioned pitching central axis in conjunction with recess;
Above-mentionedly be entrenched in this in conjunction with in the recess and can rotate along the direction of above-mentioned pitching central axis, according to the rules fitness in conjunction with axial region.
9. bracket for wheelchair as claimed in claim 8, wherein:
Block parts and above-mentioned back block parts engage along above-mentioned pitching central axis groove and tongue before above-mentioned.
10. bracket for wheelchair as claimed in claim 7, wherein:
Above-mentioned supporting mechanism has:
Connect the mid portion of an above-mentioned crossing members and first pitman of above-mentioned main frame, and connect the mid portion of above-mentioned another crossing members and second pitman of above-mentioned main frame; The two end portions rotation of each pitman connects above-mentioned each crossing members and above-mentioned main frame comfortablely.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003315497 | 2003-09-08 | ||
| JP2003315497 | 2003-09-08 | ||
| JP2004040972A JP2005103248A (en) | 2003-09-08 | 2004-02-18 | Body frame for wheelchair |
| JP2004040972 | 2004-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1593363A CN1593363A (en) | 2005-03-16 |
| CN100522123C true CN100522123C (en) | 2009-08-05 |
Family
ID=34554162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100742667A Active CN100522123C (en) | 2003-09-08 | 2004-09-08 | Bracket for wheelchair |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005103248A (en) |
| CN (1) | CN100522123C (en) |
| TW (1) | TWI259076B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4943093B2 (en) * | 2006-08-29 | 2012-05-30 | 株式会社カワムラサイクル | Folding wheelchair |
| TWI577363B (en) * | 2015-07-17 | 2017-04-11 | Gigantex Composite Technologiesco Ltd | Folding wheelchair |
| JP6393810B1 (en) * | 2017-08-29 | 2018-09-19 | キョウワアグメント株式会社 | Standing assist device and wheelchair attached with the device |
-
2004
- 2004-02-18 JP JP2004040972A patent/JP2005103248A/en active Pending
- 2004-04-29 TW TW93111956A patent/TWI259076B/en not_active IP Right Cessation
- 2004-09-08 CN CNB2004100742667A patent/CN100522123C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWI259076B (en) | 2006-08-01 |
| JP2005103248A (en) | 2005-04-21 |
| CN1593363A (en) | 2005-03-16 |
| TW200509877A (en) | 2005-03-16 |
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