CN2925443Y

CN2925443Y - Shock-absorbing wheelchair

Info

Publication number: CN2925443Y
Application number: CN 200620013551
Authority: CN
Inventors: 张凯崴
Original assignee: Loyalcrown Bicycle Fittings (sz) Co Ltd
Current assignee: Loyalcrown Bicycle Fittings (sz) Co Ltd
Priority date: 2006-04-12
Filing date: 2006-04-12
Publication date: 2007-07-25
Anticipated expiration: 2016-04-12

Abstract

The utility model relates to a shake-proof wheelchair for people of inconvenience in action comprising a vehicle frame and a front and back wheels arranged at the front and back of the vehicle frame for supporting the frame. Wherein: the front wheel is positioned on the vehicle frame through a first shake-proof mechanism; and the back wheel is positioned on the vehicle frame through a second shake-proof mechanism. The positioning of the first and second mechanisms is to improve the shake-proof and anti-shake and bumping performance of the utility model.

Description

Shock-absorbing type wheelchair

[technical field]

This utility model relates to a kind of wheelchair for handicapped people's use, particularly a kind of shock-absorbing type wheelchair.

[background technology]

Along with the development of technology, the wheelchair style is more and more.Typical wheelchair comprises vehicle frame, is located at front-wheel and trailing wheel that this vehicle frame is supported in these vehicle frame front and back.Yet this wheelchair does not have shockproof function, and vehicle frame is easy to generate than big bang when the road surface of the recessed injustice in hole, causes the occupant also following and jolts, and allows the occupant feel under the weather, and is unfavorable for the recovery of the state of an illness for injured occupant.Therefore, provide a kind of shock-absorbing, shockproof, the anti-shock-absorbing type wheelchair that jolts becomes that problem to be solved is arranged at present.

[summary of the invention]

The purpose of this utility model is to provide a kind of shock-absorbing, shockproof, the anti-shock-absorbing type wheelchair that jolts.

The purpose of this utility model is to realize like this, a kind of shock-absorbing type wheelchair is provided, front-wheel and trailing wheel that it comprises vehicle frame and is located at this this vehicle frame of vehicle frame front and back support, wherein this front-wheel is located on this vehicle body by first shockproof mechanism, and this trailing wheel is located on this vehicle body by second shockproof mechanism.

Further improvement as this utility model shock-absorbing type wheelchair, described first shockproof mechanism comprises the holder of installing described front-wheel rotationally, can circumferentially be located on this holder rotationally and the upwardly extending portion of running through, be fixedly connected on first overcoat on the vehicle frame, wherein this first overcoat offers first inner chamber of downward extension, the opening of this first inner chamber down and in establish first elastic component, this portion of running through passes the opening of this first inner chamber and is contained in this intracavity and being connected on this first elastic component in first slidably, this first inner chamber guide this run through portion in this in first intracavity along linear slide, but this first elastic component is to run through in this that elastic telescopic ground is provided with on portion's glide direction in this first inner chamber.

Further improvement as this utility model shock-absorbing type wheelchair, first inner chamber upper end of described first overcoat is provided with turning cylinder rotationally, be fixed with the foot-operated arm of downward extension on this turning cylinder, should foot-operated arm lower end obliquely or level be provided with fixedly afterbody, should be fixedly the afterbody inboard be provided with and can step on the arm plate what level was overturn in the scope extremely vertically upward, described first outer the putting is provided with holder rotationally, this holder is provided with and should rides the linking arm that arm is fixedlyed connected, this holder is provided with the button that this holder of control rotates relative to described first overcoat, is provided with the retaining pad between this foot-operated arm.

Further improvement as this utility model shock-absorbing type wheelchair, described second shockproof mechanism comprises with described vehicle frame and linking to each other and first adjutage set up and down in vertical direction and second adjutage, run through pipe, be installed in this and run through the second interior elastic component of pipe, accommodate this and run through second overcoat of managing the lower end, being fixed in this second outer put and may extend to this and run through in the pipe and be connected to fitting on this second elastic component, wherein this first adjutage, one end is fixedly connected on the described vehicle frame, the other end is connected to this upper end of running through pipe rotationally, this second adjutage, one end is connected on the described vehicle frame rotationally, the other end is rotatably connected to this second outer putting, this second overcoat offers upwardly extending second inner chamber, the opening of this second inner chamber up, this runs through the pipe lower end and passes the opening of this second inner chamber and be contained in this second interior intracavity slidably, this second inner chamber guide this run through pipe in this in second intracavity along linear slide, this fitting extends upward and is connected on this second elastic component, but this second elastic component is to run through elastic telescopic ground setting on relative this fitting glide direction of pipe in this in this runs through pipe, and the wheel shaft of described trailing wheel is fixed between the two ends of this second adjutage.

As the further improvement of this utility model shock-absorbing type wheelchair, described vehicle frame extends back at least one and extends support arm, and this extension support arm afterbody is equiped with anti-down the wheel.

Further improvement as this utility model shock-absorbing type wheelchair, described vehicle frame comprises first crotch, second crotch, construct identical horizontal side frames and folding medicated cushion, wherein this first fork can be connected with relatively rotating and be the X structure around first axle with this second crotch, this side frames is located at these first axle both sides symmetrically and is connected in this first crotch respectively rotationally and the lower end of this second crotch, the rear and front end of this bogie side frame connects described first shockproof mechanism and second shockproof mechanism, these medicated cushion both sides are respectively equipped with horizontal connector, and this two connector is connected to the upper end of this first crotch and this second crotch respectively and is connected to respectively on this side frames separably.

Further improvement as this utility model shock-absorbing type wheelchair, described bogie side frame comprise between the upper and lower every first cross bar and second cross bar and first montant, wherein fixedly connected with this first montant with described first shockproof mechanism respectively in the two ends of this first cross bar and this second cross bar, described second shockproof mechanism is connected to this first montant, and the central authorities of second cross bar of this side frames link to each other with the lower end of described first crotch and described second crotch is rotatable respectively.

Further improvement as this utility model shock-absorbing type wheelchair, holder is set on described first cross bar at interval, upwards offer accepting groove on this holder, described connector comprises connecting rod, and the connecting rod of described two connectors is housed in the accepting groove of the holder on the described side frames to small part is corresponding respectively.

Further improvement as this utility model shock-absorbing type wheelchair, described first cross bar upwards is equiped with arm-rest frame, this arm-rest frame comprise extend downwards before arm and the back arm, the lower end of arm cooperates with the holddown groove of being located near on the holder of the first cross bar front end separably before being somebody's turn to do, the end of this back arm can before and after be connected the rear end of this first cross bar rotationally, described first montant upper end upwards is provided with the back support arm, this back support arm can be arranged on described first montant by folder with turning over vertically upward, is provided with folding back pad between this two back support arm.

Further improvement as this utility model shock-absorbing type wheelchair, described first cross bar is provided with hand brake device, this hand brake device comprises body, handle and the brake member that is rotatably mounted on this first cross bar, this handle can drive this body fixedlys connected with this body rotationally, and this brake member is fixedlyed connected with this body and can be driven and described trailing wheel outer circumference surface frictional fit separably.

Compared with prior art, the front-wheel of this utility model shock-absorbing type wheelchair is to be located on this vehicle body by first shockproof mechanism; Trailing wheel is located on this vehicle body by second shockproof mechanism.When therefore even this shock-absorbing type wheelchair travels on the road surface of the recessed injustice in hole, the effect that has cushion effect because of first, second shockproof mechanism, promptly have shock-absorbing, shockproof, anti-function of jolting, thereby avoid the generation vibrations of jolting by a relatively large margin of this shock-absorbing type wheelchair, thereby allow the occupant feel more comfortable.

[description of drawings]

Fig. 1 looks sketch map for the master of this utility model embodiment shock-absorbing type wheelchair.

Fig. 2 is the decomposing schematic representation of part second shockproof mechanism of shock-absorbing type wheelchair among Fig. 1.

Fig. 3, Fig. 4 and Fig. 5 are the schematic perspective view of shock-absorbing type wheelchair different elements folded state among Fig. 1.

Fig. 6 and Fig. 7 are the decomposing schematic representation and the rotary state sketch map of the folder of shock-absorbing type wheelchair back support arm among Fig. 1.

Fig. 8 is the schematic perspective view of the holder of the foot-operated arm of shock-absorbing type wheelchair among Fig. 1.

Fig. 9 is the perspective exploded view of holder among Fig. 8.

[specific embodiment]

Below in conjunction with accompanying drawing this utility model is elaborated.

See also shown in Figure 1ly, the shock-absorbing type wheelchair 10 of this utility model embodiment mainly comprises vehicle frame 20, be located at these vehicle frame 20 front and back supports the front-wheel 30 and the trailing wheel 40 of this vehicle frame 20, front-wheel 30 is connected to first shockproof mechanism 50 of vehicle frame 20 and second shockproof mechanism 60 that trailing wheel 50 is connected to vehicle frame 20.

As shown in Figure 1, first shockproof mechanism 50 comprise the holder 51 of installing front-wheel 30 rotationally, can circumferentially be located on this holder 51 rotationally and extend vertically upward columnedly run through portion 52, be fixedly connected on first overcoat 53 (following detailed description) on first, second cross bar 231,232 of vehicle frame 20.Wherein install the bearing of a level in this holder 51, this vertically disposed lower end of running through portion 52 is fixed on the inner ring of bearing, thereby can realize that the portion of running through 52 circumferentially is located on this holder 51 rotationally.This first overcoat 53 offers cylindrical first inner chamber 531 that extends vertically downward, is provided with turning cylinder 532 (following detailed description) on the upper end open of this first inner chamber 531 rotationally, to limit this first elastic component in this first inner chamber 531.The lower ending opening of this first inner chamber 531 down and in establish first elastic component, this first elastic component is first spring 54 in the present embodiment.This runs through portion 52 and passes the lower ending opening of this first inner chamber 531 and be contained in this first inner chamber 531 slidably and be connected on this first spring 54, it is roughly the same that the internal diameter of this first inner chamber 531 and this run through the external diameter of portion 52, thus make this run through portion 52 in this first inner chamber 531 along linear slide.This first spring 54 vertically is provided with, thereby but guarantee at this first inner chamber 531 it is to run through elastic telescopic on portion's 52 glide directions in this, thus be convenient to front-wheel 30 antidetonations.It should be noted that and guarantee that the portion of running through 52 bears under the situation to the pressure of front-wheel 30 by this first spring 54 that this runs through portion 52, the corresponding first also tiltable setting of inner chamber 531; This runs through portion 52 and first inner chamber 531 also can be other shapes, bears pressure to front-wheel 30 as long as guarantee the portion of running through 52 by this first spring 54.By this first shockproof mechanism 50, carry out shock-absorbing thereby can take turns preceding 30 preferably.

As depicted in figs. 1 and 2, second shockproof mechanism 60 comprises and linking to each other with piped first montant 233 of vehicle frame 20 and the running through pipe 63, be installed in this and run through second elastic component in the pipe, accommodate this and run through second overcoat 65 of manage 63 lower ends, be fixed on this second overcoat 65 and may extend to this that to run through pipe 63 interior and be connected to fitting on this second elastic component of upwardly extending piped first adjutage 61 of level set up and down in vertical direction and second adjutage 62, vertical direction setting.In the present embodiment, this second elastic component is second spring 64.These first adjutage, 61 1 ends are welded on first montant 233, and the other end is connected to first snap close 631 that this runs through the upper end of pipe 63 rotationally by screw rod and nut.These second adjutage, 62 1 ends are connected on first montant 233 rotationally by screw rod and nut, and the other end is rotatably connected to second snap close 652 of these second overcoat, 65 upper ends by screw rod and nut.This second overcoat 65 offers vertically extending columniform second inner chamber 651 that makes progress, and these second inner chamber, 651 upper ends cooperate with the screw thread mouth of being located at second inner chamber, 651 upper ends by nut 654, limits the upper port ejection of this second spring 64 from second inner chamber 651.The opening of this second inner chamber 651 up.This runs through pipe 63 lower ends and passes the opening of this second inner chamber 651, and the internal diameter of its external diameter and this second inner chamber 651 is corresponding, whereby can along linear slide be contained in this second inner chamber 651.This fitting is a butt bar 66, and its lower end is fixed on the fixedly egative film of being located in second inner chamber 651 653, upwards vertical the extension, and its upper end is dome-shaped, to be connected to the lower end of this second spring 64.The external diameter of this second spring 64 is corresponding with the internal diameter that this runs through pipe 63, and therefore, but this second spring 64 is in running through elastic telescopic on the glide direction of managing 63 relative butt bars 66 in this runs through pipe 63.The wheel shaft 41 (as shown in Figure 3) of trailing wheel 40 is fixed in the middle of the two ends of this second adjutage 62, certainly also can be between the two ends of this second adjutage 62.Whereby, the setting of this second shockproof mechanism 60 is beneficial to the shock-absorbing of this trailing wheel 40.It should be noted that and guarantee that butt bar 66 bears under the situation to the pressure of trailing wheel 40 by this second spring 64 that this runs through pipe 63, the corresponding second also tiltable setting of inner chamber 651; This runs through pipe 63 and second inner chamber 651 and also can be other shapes, as long as true butt bar 66 bears pressure to trailing wheel 40 by this second spring 64.

Owing to be respectively equipped with first shockproof mechanism 50, second shockproof mechanism 60 on this front-wheel 30, the trailing wheel 40, the shock-absorbing of whole shock-absorbing type wheelchair 10, shockproof, anti-performance of jolting are improved.Even when therefore this shock-absorbing type wheelchair 10 travelled on the road surface of the recessed injustice in hole, it is more comfortable that user is felt.

As shown in figures 1 and 3, the vehicle frame 20 of this shock-absorbing type wheelchair 10 comprises the side frames 23 and the folding square medicated cushion 24 of piped first crotch 21 and second crotch 22, transversal tubular that structure is identical.Wherein this first crotch 21 and this second crotch 22 are tubulose, be connected rotationally with nut by screw rod in the middle of it, thereby can relatively rotate around this first axle, and be the X structure, this first axle is the central axis of the screw rod of this first crotch 21 of connection and this second crotch 22.This side frames 23 is located at these first axle both sides symmetrically and is connected in the lower end (following detailed description) of this first crotch 21 and this second crotch 22 respectively rotationally.The rear and front end of this bogie side frame 23 connects first shockproof mechanism 50 and second shockproof mechanism 60.These medicated cushion 24 both sides are respectively equipped with horizontal connector 241, and this two connector 241 is connected to the upper end (following detailed description) of this first crotch 21 and this second crotch 22 respectively, can limit this first crotch 21 and second crotch 22 scope in relative rotation whereby.

Each bogie side frame 23 comprise in vertical direction between the upper and lower every first cross bar 231 and second cross bar 232 and first montant 233.Wherein fixedly connected with this first montant 233 with first overcoat 53 of described first shockproof mechanism 50 respectively in the two ends of this first cross bar 231 and this second cross bar 232.First adjutage 61 and second adjutage 62 of second shockproof mechanism 60 are connected to this first montant 233.

The connector of a U-shaped is fixed in the lower end of first crotch 21 and described second crotch 22, bottom the connector of this U-shaped comprises and from the extended extension of two bottom sides.This bottom and extension form U-lag, accommodate the central authorities of second cross bar 232 of side frames 23 rotationally, then in two extension ends by screw rod and nut in the central place U-lag with second cross bar 232.The bottom of this two connector is separately fixed at the lower end of first crotch 21 and described second crotch 22, from side frames 23 being rotatably connected to the lower end of first crotch 21 and described second crotch 22.Whereby when first crotch 21 and second crotch 22 are folding, guarantee these bogie side frame 23 opposing parallel and draw close mutually (as shown in Figure 4).

As Fig. 1, Fig. 3 and shown in Figure 4, first cross bar 231 upwards is provided with two holders 2311 at interval, upwards offer accepting groove 2312 on this holder 2311, connector 241 is for connecting the connecting rod of this medicated cushion 24, connecting rod 241 parts are corresponding respectively to be housed in the accepting groove 2312 of side frames 23, thereby this medicated cushion 24 is connected the upper end of first crotch 21 and second crotch 22 securely, not only makes things convenient for user to occupy stably, and may command first crotch 21 and second crotch 22 relatively rotate scope.

In addition, first cross bar 231 and first montant 233 upwards are equiped with arm-rest frame 25, are convenient to the user handrail and occupy stably.As Fig. 1, Fig. 3 and shown in Figure 4, this arm-rest frame 25 comprise extend downwards before arm 251 and back arm 252, the lower end of arm 251 is the latch shape before being somebody's turn to do, and it cooperates with the holddown groove of being located near on the holder 2311 of first cross bar, 231 front ends 2313 separably.The end of this back arm 252 can be connected this first montant 233 in front and back rotationally by adapter 253.This adapter 253 comprises a pair of triangular plate piece 2531 that is fixed on first montant, two angles of this plate 2531 are fixed on first montant 233 (as shown in Figure 1) by screw rod and nut, be connected rotationally by screw rod and nut between another angle of this two plate 2531 and tear hands recoil 2532 open, this tears hands recoil 2532 fixed covers open on the lower end of back arm 252, thereby rotationally arm-rest frame 25 is connected on the vehicle frame 20.This arm-rest frame 25 comprises the handrail arm 254 of being located at the upper end, on this handrail arm 254 armrest pad 255 can be set.

As Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, first montant, 233 upper ends upwards are provided with back support arm 26, and this back support arm 26 can be arranged on first montant, 233 upper ends straight up by folder 27 with turning over.Be provided with folding back pad 28 between this two back support arm 26, thereby be convenient to support occupant's back.This folder 27 comprises the pedestal 271 that is connected with these first montant, 233 upper ends, this pedestal 271 is provided with columniform folding rotation slot 272, the auricle 273 that should fold the both sides of rotation slot 272 is connected rotation seat 274 by screw rod rotationally with nut, and this rotation seat 274 is fixedlyed connected with these back support arm 26 lower ends.Offer ladder hole 2741 on this rotation seat 274.Run through in this ladder hole 2741 that latch 275 being set, this latch 275 has head 2751 and body portion 2752, and this body portion 2752 is provided with screw thread away from head one end.These ladder hole 2741 backs are run through by nut 276 pinnings away from head one end in this body portion 2572, are provided with handle 277 between this nut 276 and this rotation seat 274, and this body portion 2572 runs through this handle 277 and is provided with.Sheathed spring 278 in this body portion 2752, these spring 278 1 ends are connected on the head 2571, and the other end is connected on the transition shoulder face of ladder hole 2741.This head 2571 can stretch in this ladder hole 2741, and can contract fully in this ladder hole 2741.271 pairs of this pedestals should be provided with lockhole 2711 by head 2571.When needs fold this back support arm 26, only need to be pulled outwardly this handle 277, allow this head 2571 break away from these lockholes 2711, rotate relative to pedestal 271 thereby drive this rotation seat 274, realize folder function; When using, driving this rotation seat 274 rotates relative to pedestal 271, when this head 2571 during near this lockhole 2711, be pulled outwardly this handle 277, when head 2571 is aimed at this lockhole 2711, unclamp this handle 277, the elastic restoring force of this spring 278 will guarantee that head 2571 is contained in the lockhole 2711, thereby stably back support arm 26 will be connected with this first montant 233.

As Fig. 1 and shown in Figure 5, extend one behind first montant, 233 ends of this vehicle frame 20 and extend support arm 2331, these extensions support arm 2331 afterbodys are equiped with anti-downly takes turns 2332, thereby avoids this shock-absorbing type wheelchair 10 danger of overturning backward, the raising security performance.

As Fig. 1, Fig. 3 and shown in Figure 4, the upper end of first inner chamber 531 of first overcoat 53 is provided with turning cylinder 532 vertically upward rotationally, be fixed with the piped foot-operated arm 29 of downward extension on this turning cylinder 532, these foot-operated arm 29 lower ends obliquely or level be provided with fixedly afterbody 291.Should be fixedly afterbody 291 comprise that riding the arm lower end with this is connected column connecting portion 292 and can be rotatably fixed to holder 293 on this connecting portion around these connecting portion 292 central axis, these holder 293 inboards are provided with steps on arm plate 294, step on arm plate 294 whereby and can realize that upset is folding in level to overturning in the scope vertically upward.

In addition, as Fig. 4, Fig. 5, Fig. 8 and shown in Figure 9, be provided with holder 295 rotationally on first overcoat 53, this holder 295 comprises retainer body 296, and these retainer body 296 1 sides offer the circular arc draw-in groove that cooperates with first overcoat, 53 excircles 2961, two locating holes 2962 and rotate lockhole 2963.

This retainer body 296 is provided with and should rides the linking arm 297 that arm 29 is fixedlyed connected, these linking arm 297 1 ends are to offering positioning through hole 2971 by two locating holes 2962, use the positioning through hole 2971 that runs through these two locating holes 2962 and correspondence by screw rod, lock nut then, linking arm 297 and this retainer body 296 are fixedly linked.These linking arm 297 1 ends are to should also being provided with rotation through hole 2972 in rotation lock hole 2963, and the other end is provided with the groove surface that is stuck on this foot-operated arm 29.Be folded with button 298 between these linking arm 297 1 ends and this retainer body 296, these button 298 1 ends are to rotating through hole 2972, rotating lockhole 2963 and be provided with through hole 2981, run through this rotation through hole 2972, rotate lockhole 2963, through hole 2981 by screw rod, pin with nut then, thereby limiting this button 298 rotates in the plane, 296 pairs of this retainer body should be provided with two limited blocks 2964 by button 298, and limit button 298 is rotated.Be arranged with jump ring 2968 by screw rod 2969 between this retainer body 296 and this button 298, realize that this retainer body 296 intracardiac axis in first overcoat 53 rotates, rotate the folding foot-operated arm 29 that is somebody's turn to do whereby so that rotate this button 298.And should foot-operated arm 29 be the upper ends that are locked in this turning cylinder 532 by screw rod, therefore,, just can take off this foot-operated arm 29 by unloading this screw rod.In addition, be provided with retaining pad 299 between this foot-operated arm 29, thereby be convenient to support occupant's shank.

As shown in Figure 1 and Figure 4, this shock-absorbing type wheelchair 10 also is equipped with hand brake device 200.This hand brake device 200 comprises body 2001, handle 2002 and the brake member 2003 that is rotatably mounted on this first cross bar 231, this handle 2002 is fixedlyed connected with this body 2001, and this brake member 2003 is fixedlyed connected with this body 2001 and can be driven and trailing wheel 40 outer circumference surfaces frictional fit separably.For improving friction effect, the outer peripheral face of this brake member 2003 protrudes out some friction ribs to external radiation.

Therefore, this shock-absorbing type wheelchair 10 not only has preferable incabloc function, and safe in utilization, also collapsible, is easy to carry, loads and unloads.

Although this utility model is disclosed by above embodiment, but scope of the present utility model is not limited thereto, do not departing under the condition of this utility model design, more than each element or construct available under technical field personnel similar or equivalent element or the structure understood replace.

Claims

1. shock-absorbing type wheelchair, it comprises vehicle frame and is located at front-wheel and the trailing wheel that supports this vehicle frame before and after this vehicle frame that it is characterized in that this front-wheel is located on this vehicle body by first shockproof mechanism, this trailing wheel is located on this vehicle body by second shockproof mechanism.

2. shock-absorbing type wheelchair as claimed in claim 1, it is characterized in that, described first shockproof mechanism comprises the holder of installing described front-wheel rotationally, can circumferentially be located on this holder rotationally and the upwardly extending portion of running through, be fixedly connected on first overcoat on the vehicle frame, wherein this first overcoat offers first inner chamber of downward extension, the opening of this first inner chamber down and in establish first elastic component, this portion of running through passes the opening of this first inner chamber and is contained in this intracavity and being connected on this first elastic component in first slidably, this first inner chamber guide this run through portion in this in first intracavity along linear slide, but this first elastic component is to run through in this that elastic telescopic ground is provided with on portion's glide direction in this first inner chamber.

3. shock-absorbing type wheelchair as claimed in claim 2, it is characterized in that, first inner chamber upper end of described first overcoat is provided with turning cylinder rotationally, be fixed with the foot-operated arm of downward extension on this turning cylinder, should foot-operated arm lower end obliquely or level be provided with fixedly afterbody, should be fixedly the afterbody inboard be provided with and can step on the arm plate what level was overturn in the scope extremely vertically upward, described first outer the putting is provided with holder rotationally, this holder is provided with and should rides the linking arm that arm is fixedlyed connected, this holder is provided with the button that this holder of control rotates relative to described first overcoat, is provided with the retaining pad between this foot-operated arm.

4. shock-absorbing type wheelchair as claimed in claim 1, it is characterized in that, described second shockproof mechanism comprises with described vehicle frame and linking to each other and first adjutage set up and down in vertical direction and second adjutage, run through pipe, be installed in this and run through the second interior elastic component of pipe, accommodate this and run through second overcoat of managing the lower end, being fixed in this second outer put and may extend to this and run through in the pipe and be connected to fitting on this second elastic component, wherein this first adjutage, one end is fixedly connected on the described vehicle frame, the other end is connected to this upper end of running through pipe rotationally, this second adjutage, one end is connected on the described vehicle frame rotationally, the other end is rotatably connected to this second outer putting, this second overcoat offers upwardly extending second inner chamber, the opening of this second inner chamber up, this runs through the pipe lower end and passes the opening of this second inner chamber and be contained in this second interior intracavity slidably, this second inner chamber guide this run through pipe in this in second intracavity along linear slide, this fitting extends upward and is connected on this second elastic component, but this second elastic component is to run through elastic telescopic ground setting on relative this fitting glide direction of pipe in this in this runs through pipe, and the wheel shaft of described trailing wheel is fixed between the two ends of this second adjutage.

5. as claim 1,2,3 or 4 described shock-absorbing type wheelchairs, it is characterized in that described vehicle frame extends back at least one and extends support arm, this extension support arm afterbody is equiped with anti-down the wheel.

6. as claim 1,2,3 or 4 described shock-absorbing type wheelchairs, it is characterized in that, described vehicle frame comprises first crotch, second crotch, construct identical horizontal side frames and folding medicated cushion, wherein this first fork can be connected with relatively rotating and be the X structure around first axle with this second crotch, this side frames is located at these first axle both sides symmetrically and is connected in this first crotch respectively rotationally and the lower end of this second crotch, the rear and front end of this bogie side frame connects described first shockproof mechanism and second shockproof mechanism, these medicated cushion both sides are respectively equipped with horizontal connector, and this two connector is connected to the upper end of this first crotch and this second crotch respectively and is connected to respectively on this side frames separably.

7. shock-absorbing type wheelchair as claimed in claim 6, it is characterized in that, described bogie side frame comprise between the upper and lower every first cross bar and second cross bar and first montant, wherein fixedly connected with this first montant with described first shockproof mechanism respectively in the two ends of this first cross bar and this second cross bar, described second shockproof mechanism is connected to this first montant, and the central authorities of second cross bar of this side frames link to each other with the lower end of described first crotch and described second crotch is rotatable respectively.

8. shock-absorbing type wheelchair as claimed in claim 7, it is characterized in that, holder is set on described first cross bar at interval, upwards offer accepting groove on this holder, described connector comprises connecting rod, and the connecting rod of described two connectors is housed in the accepting groove of the holder on the described side frames to small part is corresponding respectively.

9. shock-absorbing type wheelchair as claimed in claim 8, it is characterized in that, described first cross bar upwards is equiped with arm-rest frame, this arm-rest frame comprise extend downwards before arm and the back arm, the lower end of arm cooperates with the holddown groove of being located near on the holder of the first cross bar front end separably before being somebody's turn to do, the end of this back arm can before and after be connected the rear end of this first cross bar rotationally, described first montant upper end upwards is provided with the back support arm, this back support arm can be arranged on described first montant by folder with turning over vertically upward, is provided with folding back pad between this two back support arm.

10. shock-absorbing type wheelchair as claimed in claim 7, it is characterized in that, described first cross bar is provided with hand brake device, this hand brake device comprises body, handle and the brake member that is rotatably mounted on this first cross bar, this handle can drive this body fixedlys connected with this body rotationally, and this brake member is fixedlyed connected with this body and can be driven and described trailing wheel outer circumference surface frictional fit separably.