TWI675655B - Transposition wheelchair - Google Patents

Abstract

The utility model relates to an indexed wheelchair, in which the wheelchair assembly can be folded and retracted into a pre-moved position according to the current position of the patient when the wheelchair assembly is applied, and then the patient can be moved into the seat of the wheelchair in a comfortable transfer posture, and then in Pushing the wheelchair seat back to the normal position and sequentially returning to the normal application form of the wheelchair makes the wheelchair assembly suitable for the light care of ordinary caregivers to move the patient in a comfortable orientation.

Description

Indexed wheelchair

The invention relates to an indexed wheelchair, which is mainly used for folding the wheelchair into a pre-moving position according to the patient's current position when the wheelchair is in use, and then moving the patient into a comfortable seat position in a comfortable transfer posture. Then return the wheelchair to its normal application form, so that ordinary caregivers can move the patient in a comfortable position through light operation.

Wheelchairs used in patients with assisted mobility inconvenience, foot injuries, or spinal injuries, etc., have a variety of body shapes. Among them, there are many to assist patients with better comfort in use. Design, and help users get lighter operation on the application, the patient can be preset to move to the required position (such as: bed, or wheelchair from the bed ...), thereby reducing The user moves in the usual care of the patient.

With existing wheelchairs, in the application, the user usually needs to move the patient to the wheelchair. Usually, the patient must be bent down and held by the arm to lift the patient and then sit in the wheelchair smoothly. The general public or less powerful people in the non-care professional field are less capable, which makes moving the patient to a wheelchair / or from a wheelchair to any position (such as: bed, toilet, etc.) is quite laborious, and it is also difficult for patients. not feeling well.

This is to disclose the design of the liftable wheelchair that can be expected to function in the application submitted by the relevant industry. For example, the certificate number announced in 2014.10.01: I454254 "Wheelchair Uphill Protection "Reverse device" invention case, certificate number announced on 2014.11.21: M490314 "shock-absorbing wheelchair" new case, certificate number published on 2014.11.11, certificate number: M489636 "foldable wheelchair structure" new case, announcement on 2014.12.21 Certificate No .: I465230 Invention Case of “Wheelchair Assisting Standing”, published on 2015.03.01 Certificate No .: I474812 Invention Case of “Wheelchair Shifting Laterally,” Certificate No. published on 2014.07.21: M482387 “With index "Board Wheelchair" new case, so as to facilitate users to make a suitable function choice according to need.

The inventor is to set up another new configuration for the wheelchair assembly which is the same type of application as described above to assist patients in moving, so that the user can move the patient to a preset position (such as: bed, or Moving from bed to wheelchair ...) Removal applications can be achieved through lighter operation, and it is also suitable for the general public in the non-care professional field or for the convenience of less powerful people.

The present invention is based on the use of the wheelchair assembly which is applied as a patient with inconvenient mobility assistance. The caregiver must laboriously lift the patient to overcome the inconvenience of sitting in the wheelchair. According to the patient's current position, the wheelchair can be folded and retracted into the pre-moving position for convenience, and then the patient can be comfortably transferred to the seat of the wheelchair, and then the wheelchair seat is pushed back to the normal position and sequentially restored. The normal application form of the wheelchair makes the wheelchair assembly suitable for the light care of ordinary caregivers to move the patient in a comfortable position.

The main purpose of the present invention is to provide a wheelchair assembly for patients with inconvenient mobility assistance. The wheelchair assembly includes: a first front frame on the left and right sides, a second rear frame on the left and right sides, front and rear link members, an auxiliary support, a unit, One reclining unit, left and right armrests, several roller units The first front frame on the left and right sides is formed with through holes at the upper ends of the front longitudinal rod sections to allow the left and right armrest frames to be introduced correspondingly on the front end of the longitudinal rod sections and on the first front frame. The upper part of the horizontal rod section is formed into a through hole rearward, so as to penetrate the preset section of the upper end of the second rear frame on the left and right sides to allow the corresponding two rod sections of the lower part of the head unit to be introduced. The inward side of the upper end of the longitudinal section of the front section of the first front frame is extended to support the section to allow the section of the corresponding end of the seat unit to be stably spanned. The lower end of the rod section is to maintain a section to allow the horizontal rod section at the lower end of the second rear frame to be introduced toward the front end and cut in with the rod section extending at one end of the roller unit, and the rod section of the roller unit corresponding to the second rear frame by screwing elements Linking paragraphs for azimuth restrictions; and the second rear frame on the left and right side is above the longitudinal rod section towards the rear, allowing a control component to be combined, one side of the control component forms a space to allow an elastic element and an abutment The introduction of the The aforesaid resisting portion penetrates the control component space in an azimuth direction, so that it keeps moving up and down, so that the convex portion on the upper end of the resisting portion can timely cut into the hole preset in the corresponding paragraph of the first front frame to The azimuth limit of the lower rod section of the frame and the leaning unit is preset, or the abutment portion is lowered so that the truncated convex portion can be separated from the aforementioned hole, allowing the first front frame to move backward and the leaning unit to be folded; The front and rear link members are allowed to be individually combined between the left and right roller units at the front end and the second rear frame on the left and right sides, so as to maintain a smooth installation between the first front frame and the second rear frame. The connecting piece is in a turnable state in the preset section to facilitate folding and folding; the auxiliary bracket is allowed to be combined with the preset pivoting section of the front and rear connecting pieces; the seat unit is allowed to be erected in the seat unit. The support part of the corresponding section of the first front frame and the preset position of the rear transverse rod section, and the position of the seat unit on the first front frame by the borrowing lever; the rest unit is on both side rod sections Extend a section of the bar toward the front to allow Introduced into the respective first transverse bar front frame section, and by a positioning member via a predetermined segment of the transverse bar section The guide groove formed by the penetration penetrates and is screwed into the two lever sections of the leaning unit, so that when the lever sections on both sides of the leaning unit are turned inward, the positioning member can be moved along the aforementioned guide groove and pushed into one side, Make the reclining unit into a temporary folded state or return to the normal erected state by being moved out along the guide groove when being dialed out; the left and right armrests are allowed to be introduced into the front of the first front frame. A part of the longitudinal bar section and a side of a preset section of the armrest frame are provided with holes to allow the elastic restriction member to be drawn out, and the elastic restriction member is allowed to eject the first front frame of the longitudinal bar section in time. The hole in the part can be folded down and / or extended as an armrest to allow the elastic restricting element to be moved inside and moved. The roller units in the other lanes are individually assembled in the first front frame and the first. The lower part of the second rear frame is used as the orientation of the wheelchair assembly.

The second object of the present invention is to form a slot with a predetermined depth at the corresponding periphery of the resisting part introduced in the side space of the control assembly which is combined with the upper section of the second rear section of the longitudinal rod section, so that the pin rod can be used for Through the space where the resisting part is movably combined with the restricting component, a section of a rod is extended at the resisting part on both sides of the upper position, as the resisting part must be dialed down to escape the corresponding hole of the first front frame, Use the hand to directly push down the two bars to facilitate force application.

A third object of the present invention is to allow at least one or more auxiliary rollers to be incorporated into a preset section for a preset position of a longitudinal rod segment where the first front frame and the second rear frame are connected by two members, so as to facilitate the first The front frame is preset to move forward and backward along the second rear frame, which can facilitate the action during displacement and avoid noise when the components move, and ensure the flatness between the two components.

A fourth object of the present invention is to implement a U-shaped elastic piece as the elastic limiter incorporated in a preset paragraph inside an armrest frame, and to cause a convex portion on one side of the U-shaped elastic piece to lead out a corresponding hole of the armrest frame and a timely top The first front frame is provided with a hole at a preset position of the longitudinal pole section.

A fifth object of the present invention is to assemble a set between the transverse rod segments of the first front frame. The seat unit forms an X-shaped auxiliary lever section on the front side, and the upper part of the auxiliary lever section is an extension section for each pivot, so that each extension section can be allowed to be pivoted on the corresponding first front frame. One side of the longitudinal rod section with a height, and the lower part of the auxiliary rod section is introduced by a pin and cooperated with a bushing to restrict the orientation to the lower side of the corresponding longitudinal rod section of the first front frame to facilitate the seat The unit can be better erected by the auxiliary pole section and folded up exactly.

A sixth object of the present invention is to limit the azimuth of the wheelchair assembly in use by pushing in a chassis, and the chassis is provided with a movable fastener in a preset position, and the fastener The set is controlled by the traction of a brake line, and the aforementioned brake line allows the pedals assembled on one side of the chassis to be tightened / relaxed to restrain the fasteners to push into the chassis. The wheelchair assembly is limited in orientation and / or detached, and the chassis can be appropriately fine-tuned up and down according to the height of the pre-moved orientation, so that the wheelchair assembly can be smoothly moved into the pre-moved orientation in the folded state.

A seventh object of the present invention is to extend a section of the longitudinal rod section forward of the first front frame at the lower end toward the front to allow the side of the pedal to be introduced and folded and / or flattened. .

〔this invention〕

1‧‧‧ first front frame

11, 21, 61‧‧‧ Longitudinal sections

111, 112, 121, 62‧‧‧ holes

113, 211‧‧‧ intervals

114, 253, 41, 51, 501, 71‧‧‧ segments

12‧‧‧ transverse bar

122‧‧‧Guide slot

13‧‧‧Support Department

14, 27‧‧‧ auxiliary roller

141, 271‧‧‧ positioning rod segment

2‧‧‧ Second rear rack

22‧‧‧Horizontal Bar Section

23‧‧‧Control Module

231‧‧‧space

24‧‧‧ Elastic element

25‧‧‧Rejection

251, 631‧‧‧ convex

252‧‧‧Slot

26, 431‧‧‧ pin

3‧‧‧ connecting piece

31‧‧‧Auxiliary bracket

311, 44‧‧‧ extension

4‧‧‧ seat unit

43‧‧‧Auxiliary Section

432‧‧‧ Bushing

5‧‧‧backrest unit

502‧‧‧handle button

52‧‧‧ Positioning piece

6‧‧‧Handrail

63‧‧‧Elastic limiter

7‧‧‧ roller unit

72‧‧‧Screw element

8‧‧‧ Wheelchair Assembly

81‧‧‧ pedal

82‧‧‧ Underframe

821‧‧‧ Deduction

822‧‧‧Stick

9‧‧‧patient

10‧‧‧Pre-moving position

Figure 1 is an exploded view of the components of the indexed wheelchair of the present invention.

Fig. 2 is an external view of an assembly of an indexed wheelchair according to the present invention.

1 of FIG. 2 is an enlarged detailed view of the component A in FIG. 2 by pressing.

FIG. 3 is a schematic diagram of the first step of implementing an indexed wheelchair for folding.

FIG. 1 is an enlarged detailed view of the component state of part B in FIG. 3.

FIG. 2 is an enlarged detailed view of the component state of part C in FIG. 3.

FIG. 4 is a schematic diagram of the second step of the indexed wheelchair for folding.

FIG. 4A is an enlarged detailed view of the component state of the D part in FIG. 4.

2 of FIG. 4 is an enlarged detailed view of the pressing action of the component at the D position in FIG. 4.

3 of FIG. 4 is an enlarged detailed view of the component state of the D part in FIG. 4.

FIG. 5 is a schematic diagram of the third step of the indexed wheelchair for folding.

FIG. 5 is an enlarged detailed view of the component state of the E part in FIG. 5.

FIG. 6 is a perspective view of the third step of the indexed wheelchair for folding.

Fig. 7 is a schematic diagram of the implementation of the indexed wheelchair of the present invention after the folding is completed and pushed toward the bed.

FIG. 8 is a schematic diagram of the steps of the indexed wheelchair of the present invention after completing folding and folding as an auxiliary patient sitting.

FIG. 9 is a schematic diagram of the indexed wheelchair according to the present invention before being fitted with the base frame for fastening.

FIG. 10 is a schematic diagram (not buckled) of an indexed wheelchair on a propulsion chassis of the present invention.

FIG. 11 is a schematic diagram of the indexed wheelchair of the present invention on a pushing chassis and buckled.

FIG. 12 is a schematic diagram of the indexing wheelchair of the present invention completed on the propulsion chassis and folded.

FIG. 13 is a schematic diagram of the indexed wheelchair of the present invention, which is buckled on the bottom frame and folded and pushed toward the bed.

The indexed wheelchair (as shown in Figs. 1 and 2) designed by the present invention is a wheelchair assembly 8 which is applied to patients with inconvenient mobility assistance. The wheelchair assembly 8 includes: a first front frame 1 on the left and right sides, and a second rear frame 2 on the left and right sides. , Front and rear connecting pieces 3, an auxiliary bracket 31, a unit unit 4, a leaning unit 5, left and right armrests 6, and a number of roller units 7; among them, the left and right first front frames 1 are in The upper end of the front longitudinal rod section 11 is formed with a through hole shape to allow the left and right armrest frames 6 to be introduced correspondingly to the front longitudinal rod section 61 (such as (1 in FIG. 2), and the transverse rod section 12 at the upper part of the first front frame 1 is formed into a through hole shape toward the rear to facilitate penetration into the preset section 211 of the upper end of the second rear frame 2 on the left and right sides. Can allow the introduction of the corresponding two-rod section 51 of the lower part of the backrest unit 5 [as shown in FIG. 3-2], and the inward side of the upper end of the section of the longitudinal rod section 11 that is forward of the first front frame 1 is extended With the support portion 13 to allow the rod section 41 at the corresponding end of the seat unit 4 to be stably set (as shown in FIG. 2), a section 113 is maintained at the lower end of the cut longitudinal rod section 11 along the front of the first front frame 1. A horizontal section 22 at the lower end of the second rear frame 2 is introduced to the front end, and a section 71 extending into one end of the roller unit 7 is cut in (as shown in FIG. 6), and the roller unit 7 The pole segment 71 and the second rear frame 2 are correspondingly connected to each other for position limitation.

The second rear frame 2 on the left and right sides is an upper section of the rearward longitudinal rod section 21 allowing a control component 23 to be combined. A space 231 is formed on one side of the control component 23 to allow an elastic element 24 and a blocking portion. 25 is introduced, and the above-mentioned resisting portion 25 is penetrated through the space 23 of the control component 23 by the pin 26, so that it can move up and down, so that the convex portion 251 on the upper end of the resisting portion 25 can be timely cut into A hole 121 preset in the corresponding section of a front frame 1 (such as the second figure in FIG. 3), to preset the position limitation of the first front frame 1 and the lower section 51 of the leaning unit 5 / or to dial the blocking portion 25 downward The truncated convex portion 251 can be separated from the aforementioned hole 121 (as shown in FIG. 4 and FIG. 2 and FIG. 4 and FIG. 3). At this time, the reclining unit 5 that is folded inwardly is folded back and forth at both side pole sections 501. , Is the same horizontal state as the second rear frame 2 (as shown in Figure 4), and the backrest is relatively connected between the two side pole sections 501 (the backrest material here can be used to have existing components of the same nature, that is, both strong Toughness and softness of the component, without limiting its thickness and elasticity, etc.) because it is a strong and suitable soft material Goes toward the rear member, and therefore, can be moved by hand slightly below the first portion to allow the front frame 1 as the activity unit 5 and the folded portion against [As shown in Figure 5].

The front and rear link members 3 are allowed to be individually combined between the left and right roller units 7 at the front end and the second rear frame 2 on the left and right sides, so as to maintain a smooth installation between the first front frame 1 and the second rear frame 2. And the three front and rear link members are in a turnable state in a preset paragraph so as to be folded away; the auxiliary bracket 31 is allowed to be combined with the preset pivotal link section 3 of the front and rear link members [such as the second Figure].

A section unit 4 is a preset portion of the support section 13 and the rear transverse rod section 12 allowed to be erected on the corresponding section of the first front frame 1 (as shown in FIG. 2), and the lever unit is used to make the seat unit 4 The orientation is limited to the first front frame 1.

A reclining unit 5 extends a section 51 of the bar at the lower part of both side bars 501 toward the front, so as to allow introduction into the corresponding transverse bar section 12 of the first front frame 1 (as shown in FIG. 2 (2)). ], And a positioning member 52 penetrates and is screwed into the two rod sections 51 of the rest unit 5 through the guide groove 122 formed by the preset section of the transverse rod section 12 (the two rod sections 51 here are subject to the positioning member 52 being It is restricted to move in the range of the guide groove 122 formed in the rear section of the first front frame 1, while the advancement and retreat of the second rod section 51 are restrained by the backrest unit 5 dialing outward / or folding inward to make the direction) When the lever sections 501 on both sides of the reclining unit 5 are turned inward (as shown in FIG. 4), the positioning member 52 can be moved up along the aforementioned guide groove 122 and pushed into one side (as shown in FIG. 4), so that The reclining unit 5 forms a temporary folded state (the two side pole segments 501 here are moved inwardly to be able to fold in each other. It is necessary to maintain an adjacent back and forth staggered folded in, such as the right side pole segment 501 in FIG. Is folded inward in the forward direction, and the left rod segment 501 is folded inward in the rearward direction, and it is maintained in a timely manner when the positioning member 52 is moved into the guide groove 122 and the extreme position is maintained. Resistance, as shown in Figure 4-1 and no longer folded inward, so that the two side sections 501 staggered back and forth are folded inward) / Or, when the lever sections 501 on both sides are pulled out, the positioning member 52 can be pulled down again along the guide groove 122 to return to the normal erection state (such as Fig. 3 and Fig. 2 in Fig. 3), and it can be used as a backrest in the use state. Unit 5 expands.

The left and right armrests 6 are allowed to be introduced into the front part of the first front frame 1 of the longitudinal rod section 11, and a hole 62 is provided on a side of a preset section of the armrest 6 to allow elastic restriction 63 Lead out [such as 1 in FIG. 2], and the elastic restricting member 63 is allowed to push out the hole 111 of the preset position of the longitudinal rod section 11 of the first front frame 1 in time [such as in FIG. 2 and 1 in FIG. 3] 1], as the armrest frame 6 must be folded downward [as shown in FIG. 3] / or extended upward [as shown in FIG. 2] so that the elastic restricting member 63 can be moved inside after being moved inside.

The track roller unit 7 is arranged at the lower part of the second rear frame 2 (as shown in FIG. 2), and is pushed as the orientation of the wheelchair assembly 8.

The abutment portion 25 introduced by the side space 231 of the control assembly 23 combined with the upper section of the longitudinal rod section 21 of the second rear frame 2 above is a slot 252 with a predetermined depth at the corresponding periphery [as shown in FIG. 2-2], The pin 26 can be used to penetrate the space 231 where the resisting portion 25 is movably combined with the control assembly 23. A bar section 253 is extended on both sides of the resisting portion 25 in the upper position (as shown in FIG. 4). 2], as the blocking portion 25 must be dialed down to escape from the corresponding hole 121 of the first front frame 1 (such as 3 in FIG. 4), the second lever section 253 can be directly pressed down by the hand to facilitate force application.

And the above-mentioned first front frame 1 and second rear frame 2 are located at the longitudinal rod sections 11 and 21 connected by the two members, and the preset positions allow at least one or more auxiliary rollers 14, 27 to be combined into the preset sections 113, 211 [ (As shown in Figures 1 and 2), and by using the positioning rod segments 141 and 271 (in this case, screw elements are used for implementation) to restrict the orientation, so that the first front frame 1 is along the second rear frame 2 Pre-set forward and backward displacement (as shown in Figure 6), which can facilitate the action during displacement, avoid noise when the component is moving, and ensure the flatness between the two components.

The elastic limiter 63 combined with the preset paragraph inside the armrest frame 6 is implemented by a U-shaped spring sheet, and the convex portion 631 on one side of the U-shaped spring sheet leads out the corresponding hole 62 of the armrest frame 6 (as shown in FIG. 2). No. 1], and the hole 111 of the first front frame at a preset position of the longitudinal rod section 11 in a timely manner [such as 1 in FIG. 3].

An X-shaped auxiliary lever section 43 is formed on the front side of the seat unit 4 which is arranged between the transverse rod sections 12 of the first front frame 1 on the front side, and the upper part of the auxiliary lever section 43 is a pivot section. Extension sections 44 so that each extension section 44 can be allowed to be pivoted on one side of the longitudinal rod section 11 at a preset height of the corresponding first front frame 1 (as shown in FIG. 2), and the auxiliary rod section 43 is lowered by borrowing A pin 431 is introduced and cooperates with a bush 432 to make an azimuth restriction on the lower side of the corresponding longitudinal rod section 11 of the first front frame 1 (as shown in Figs. 1 and 2), so that the auxiliary unit 4 can borrow an auxiliary rod section. 43 has a better and smoother erection, and exact fold up.

And the section 11 of the longitudinal section of the front section of the first front frame 1 which extends forward is a section 114 of the section at the lower end toward the front to allow the introduction of the side of the pedal 81 (as shown in Figs. 1 and 2) and perform activities. At the same time, the lever sections 501 on both sides of the reclining unit 5 are allowed to be assembled with handle knobs 502 in the upper part, which can be used as a brake application when being pushed down.

The above-mentioned wheelchair assembly 8 can be used as a substitute for the movement of the patient in normal times, and is implemented when the patient must be moved to a preset position (such as: bed ...). The first step is to first place the armrest 6 in between. The elastic limiter 63 is pressed in [as shown in FIG. 2A], so that the armrest frame 6 can be folded down along the longitudinal rod section 11 of the first front frame 1 [as shown in FIGS. 3 and 3A ]; Second step: Press the control unit 23 on the side of the second rear frame 2 on the side of the borrowing portion and the abutment portion 25 therebetween. The upper two pole segments 253 [as in Fig. 4-2], so that the convex part 251 at the upper end of the resisting part 25 can be separated from the corresponding hole 121 of the first front frame 1 [as in Figs. 3 and 5 of Fig. 4] 1], inwardly move the lever sections 501 on both sides of the leaning unit 5 inward (as shown in FIG. 4), and move the positioning member 52 along the guide groove 122 of the first front frame 1 and push it to one side [such as Figure 4-1], forming the reclining unit 5 into a temporarily folded state; the third step: then, the first front frame 1 in a free shape can be moved backwards [such as Figure 5, Figure 6] Figure].

The aforementioned wheelchair assembly 8 is moved in the orientation as the patient 9 [as shown in FIG. 8] Step 1.) is to push the wheelchair assembly 8 closer to the pre-movement orientation 10, and fold and retract the two armrests 6 and the backrest The unit 5 is dialed inward; 2.) The patient 9 is turned inward to the side and the first front frame 1 of the wheelchair assembly 8 is moved backward to introduce the pre-moving position 10 [as shown in FIG. 7]; 3.) Turn the patient 9 outwards to make it lie on the side; 4.) After that, lift the patient 9 and turn it to the seat unit 4 of the wheelchair group 8; 5.) Finally, the patient 9 Centering the seat unit 4 into the wheelchair assembly 8 and sequentially extending the two armrests 6 upward, returning the rest unit 5 to the normal erection state, and pushing the first front frame 1 forward The normal state makes the wheelchair assembly 8 suitable for ordinary caregivers to move the patient in a comfortable position through light operation.

The wheelchair assembly 8 can be used in conjunction with the push-in of a chassis 82 and limit the orientation [as shown in FIG. 9], and the chassis 82 is provided with a movable fastener 821 at a preset position [ (As shown in FIG. 10), and the fastener 821 is controlled by the traction of a brake line (the brake line is not shown here), and the aforementioned brake line can be assembled on the side of the chassis 82 The lever 822 is in a tightened / relaxed state to restrain the fastener 821 to restrict the orientation of the wheelchair assembly 8 pushed into the chassis 82 [as shown in FIG. 11] / or detached [as shown in FIG. 10], In addition, the base frame 82 can be appropriately fine-tuned to rise according to the height of the pre-moved azimuth (such as: bed) (the base frame here 82 The fine adjustment can be performed by the existing jack mechanism to adjust the height, so it is not included in the claim of the lifting mechanism. The fine adjustment of the jack mechanism can be selected by the user's operation according to the user's operation. It can be smoothly moved into the pre-moved position in the folded state (such as Figures 12 and 13).

Claims (7)

The utility model relates to an indexing wheelchair, which is a wheelchair assembly applied to patients with inconvenient mobility assistance. The wheelchair assembly includes: a first front frame on the left and right sides, a second rear frame on the left and right sides, front and rear connecting members, an auxiliary support, a unit, and a The reclining unit, left and right armrests, and several roller units are formed; and the first front frame on the left and right sides are formed with through holes at the upper ends of the front longitudinal rod sections to allow the left and right armrests to be forwarded accordingly. A longitudinal rod section at one end is introduced, and a transverse rod section is formed at the upper part of the first front frame toward the rear to form a through-hole shape, so that after passing through a preset section of the upper end of the second rear frame on the left and right sides, the The corresponding two rod sections of the lower part of the head unit are introduced, and the inward side of the upper end of the longitudinal rod section that is forward of the first front frame is extended to support the part to allow the rod section of the corresponding end of the seat unit to cross smoothly. It is assumed that a section is maintained at the lower end of the longitudinal section along the front of the first front frame to allow the horizontal section at the lower end of the second rear frame to be introduced toward the front end and cut in with the extension of the roller unit at one end, and the screw Rod segment of roller unit The second rear frame correspondingly connects the paragraphs to restrict the orientation; and the second rear frame on the left and right side is at the upper part of the longitudinal rod section facing backwards to allow a control component to be combined, and one side of the control component forms a space to allow a The introduction of the elastic element and a resisting part, and the aforementioned resisting part is penetrated through the control component space by the pin rod, so that it keeps moving up and down, so that the convex part facing the upper end can be timely cut into the first The holes in the corresponding sections of the front frame are preset to restrict the azimuth of the first front frame and the lower section of the leaning unit. The internally folded backrest unit is staggered and folded back and forth on both sides of the pole section, forming the same level with the second rear frame. The backrest that is relatively combined between the two side sections is a strong and suitable fit. Soft material parts, therefore, you can use the hand to move down slightly to allow the first front frame to move backward and the back unit to fold; the front and rear link members are allowed to be individually combined with the left and right roller units at the front end, And left and right Between the rear racks, it is easy to maintain a smooth erection between the first front rack and the second rear rack, and the front and rear connecting pieces are in a turnable state in a preset section to facilitate folding and folding; the auxiliary bracket is It is a pivot section that is allowed to be combined with the front and rear joints; the seat unit is allowed to be erected on the support section of the corresponding section of the first front frame and the preset position of the rear horizontal rod section, and the borrow lever will be The seat unit is restricted in orientation to the first front frame; the rest unit is extended at the lower part of the two side pole sections toward the front to allow the introduction of the corresponding transverse bar of the first front frame. Within the section, and a positioning member formed through the above-mentioned guide slot formed by the preset section of the transverse rod section, penetrates and is screwed into the second section of the backrest unit (here the second section is restricted by the positioning member to the first front frame The range of the guide groove formed by the back section is used for moving displacement, and the advancement and retreat of the second lever section are restrained by the shifting of the leaning unit and / or folding inward), so that the pole sections on both sides of the leaning unit are When dialing in, the positioning member can be moved up along the guide groove and pushed in 2. Make the reclining unit into a temporary folding state (the two lever sections here are moved inward to fold in each other. It is necessary to maintain an adjacent front and back staggered folding in, that is, the right lever section is forward. Inward folding, and the left pole section is retracted in the rearward direction, and a timely resistance is maintained when the positioning member moves into the guide slot extreme orientation, instead of inward folding, so that the two side sections that are staggered back and forth are inwardly folded. (Received) / or being pulled out on both sides of the pole section can cause the positioning member to return to the normal erection state and return to the normal erection state by using the guide groove to return to the normal erection state as the reclining unit in the use state; the armrests on the left and right sides are The longitudinal bar section is allowed to be introduced into the front part of the first front frame, and a hole is provided on one side of the preset section of the armrest frame to allow the elastic restriction member to be pulled out, and the elastic restriction member is allowed to eject the second A hole in a preset portion of the front frame of the longitudinal rod section can be folded downwards and / or extended upwards as a handrail frame to allow the elastic restriction member to be pushed inside for movement and displacement; the roller unit of several channels is individually Set in the lower part of the second rear frame, make Group orientation wheelchair body push. The indexed wheelchair according to item 1 of the scope of patent application, wherein the control part combined with the control section combined with the upper section of the second rear frame and the upper section of the control assembly is formed with a slot at a predetermined depth at the corresponding periphery. The pin can be used to penetrate the space where the resisting part is movably combined with the control component. At the resisting part, on both sides of the upper azimuth, a section of a rod is extended, as the resisting part must be dialed down to escape from the first. Corresponding holes in the front frame can be used to directly push down the two rod sections by the hand to facilitate force application. The indexed wheelchair according to item 1 of the scope of patent application, wherein the preset position of the longitudinal rod segment where the first front frame and the second rear frame are connected by two members is to allow at least one or more auxiliary rollers to be incorporated into the Set intervals to facilitate the preset forward and backward displacement of the first front frame along the second rear frame, which can facilitate the action during displacement and avoid noise when the components move, and ensure the flatness between the two components. The indexed wheelchair according to item 1 of the scope of the patent application, wherein the elastic limiter incorporated in the preset paragraph inside the armrest is implemented by a U-shaped spring sheet, and the convex portion on one side of the U-shaped spring sheet leads to the armrest frame accordingly. Hole and a hole for ejecting the first front frame at a preset position of the longitudinal pole section in a timely manner. The indexed wheelchair according to item 1 of the scope of patent application, wherein the seat unit provided between the transverse rod sections of the first front frame forms an X-shaped auxiliary rod section on the front side, and the auxiliary rod section is biased The upper part is an extension section for each pivot, so that each extension section can be allowed to be pivoted on one side of the longitudinal pole section of the preset height of the corresponding first front frame, and the lower section of the auxiliary pole section is a pin. Introduce and cooperate with a bushing to restrict the orientation to the lower side of the corresponding longitudinal pole section of the first front frame, so that the seat unit can obtain a better and smoother erection by the auxiliary pole section, or it can be folded exactly in half. The indexed wheelchair according to item 1 of the scope of the patent application, wherein the wheelchair assembly can be used in conjunction with the push-in of a chassis and restricted in orientation, and the chassis is provided in a preset position for movement Lifting / lowering the fasteners, and the fasteners are controlled by the traction of a brake wire, and the brake wire can allow the pedals assembled on the side of the chassis to be tightened / released. To restrain the fasteners to restrict or disengage the wheelchair assembly pushed into the chassis, and the chassis can be appropriately fine-tuned according to the height of the pre-moved azimuth, so that the wheelchair assembly can be folded. The state smoothly moves into the pre-moved position. The indexed wheelchair according to item 1 of the scope of patent application, wherein the section of the longitudinal rod section forward of the first front frame is extended by a section of rod section at the lower end toward the front to allow the side of the pedal to be introduced and move. Collapse and / or flatten.