CN109394441B - Power-assisted wheel with damping device - Google Patents
Power-assisted wheel with damping device Download PDFInfo
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- CN109394441B CN109394441B CN201811205429.9A CN201811205429A CN109394441B CN 109394441 B CN109394441 B CN 109394441B CN 201811205429 A CN201811205429 A CN 201811205429A CN 109394441 B CN109394441 B CN 109394441B
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- 238000013016 damping Methods 0.000 title claims description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000035939 shock Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 5
- 241000755266 Kathetostoma giganteum Species 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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Abstract
本发明的一种带有减震装置的助力轮包括轮椅锁紧机构、连接装置、安装座部分、驱动装置、减震部分以及驱动轮装置。其中减震部分由四个弹簧组成，分别安装在四个套管上，弹簧在套管上被压缩或伸展起到减震的作用。将轮椅助力轮减震装置安装在手动轮椅上，使得手动轮椅具备电动轮椅的功能，本发明具有结构紧凑、拆装方便，能有效减震，适应上下坡及不平路面；能较好提升使用的舒适性，同时有效降低疲劳破坏、延长轮椅的使用寿命。
A power-assisted wheel with a shock-absorbing device of the present invention includes a wheelchair locking mechanism, a connecting device, a mounting seat portion, a driving device, a shock-absorbing portion and a driving wheel device. The shock-absorbing part is composed of four springs, which are respectively installed on the four sleeves, and the springs are compressed or stretched on the sleeves to play the role of shock absorption. The shock-absorbing device of the wheelchair assist wheel is installed on the manual wheelchair, so that the manual wheelchair has the function of an electric wheelchair. The present invention has the advantages of compact structure, convenient disassembly and assembly, effective shock absorption, adapting to up and down slopes and uneven road surfaces; Comfort, while effectively reducing fatigue damage and prolonging the service life of the wheelchair.
Description
Technical Field
The invention relates to a power-assisted wheel with a damping device, provides a damping power-assisted wheel device used for a wheelchair, and belongs to the technical field of rehabilitation auxiliary appliances and movable walking aids.
Background
With the increasing of the life of the population and the increasing proportion of the elderly population, the current chinese society has been aging, more and more elderly people have physical strength reduction accompanied by aging, or have insufficient strength of arms or feet due to various diseases, so that the wheelchair is a major tool for the elderly people to go out. Also, the wheelchair is also required for handicapped people with lower limb dysfunction.
The manual wheelchair can be folded, light, portable and vehicle-mounted when in use, and the manual wheelchair is widely used in the market at present, but the manual wheelchair has the defects of needing manpower drive and the like for users and caregivers. Although manual wheelchair power-assisted wheel devices exist at present, the wheelchair power-assisted wheels generally lack a damping function and are not convenient to disassemble and assemble.
Disclosure of Invention
The invention aims to provide a power-assisted wheel with a damping device, which can provide power assistance for a wheelchair and simultaneously effectively damp vibration and is very convenient to assemble and disassemble.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
the utility model provides a take damping device's helping hand wheel, includes the connecting rod, quick-lock device, first locking mechanism, second locking mechanism, hooking device, link, damping device and drive wheel, wherein: the first locking mechanism and the second locking mechanism are respectively arranged at two ends of the connecting rod and are used for being connected with the wheelchair frame; the quick locking device is arranged in the middle of the connecting rod and connected with the upper end of the hanging device, the lower end of the hanging device is connected with the upper end of the connecting frame, the lower end of the connecting frame is connected with the damping device, and the damping device is arranged on the driving wheel.
The boosting wheel, wherein: the quick locking device comprises a first buckling piece and a second buckling piece, wherein the first buckling piece and the second buckling piece are both provided with a semicircular hole with the same diameter, two side walls of the second buckling piece are respectively provided with a pin shaft, the first buckling piece is provided with a plurality of through holes, and the through holes extend to the buckling wall from an opening at the opposite side of the buckling wall of the first buckling piece, which is buckled with the second buckling piece; the second buckling piece is internally provided with a threaded hole at the position corresponding to the through hole on the buckling wall buckled with the first buckling piece.
The boosting wheel, wherein: the semicircular holes of the first buckling piece and the second buckling piece are buckled at the positions of two sides of the middle part of the connecting rod respectively, the first buckling piece and the second buckling piece are buckled, and the bolt is screwed in the threaded hole after being inserted from the through hole.
The boosting wheel, wherein: the lower wall of the second buckling piece is internally provided with a blind hole.
The boosting wheel, wherein: the first locking mechanism and the second locking mechanism are completely the same in structure, and each locking mechanism comprises an upper arch bridge, a lower arch bridge, a screw group, a pressing block and a locking buckle; the upper arch bridge and the lower arch bridge are both provided with a semicircular hole with the same diameter; the upper arch bridge is provided with a plurality of through holes, and the through holes are opened from the opposite side of a buckling wall of the upper arch bridge, which is buckled with the lower arch bridge, and extend to the buckling wall; and a threaded hole is inwards formed in the position, corresponding to the through hole, of the buckling wall buckled with the upper arch bridge on the lower arch bridge.
The boosting wheel, wherein: the semicircular holes of the upper arch bridge and the lower arch bridge are respectively buckled at the positions of two sides of a strut of one of two longitudinal struts of the wheelchair frame, the upper arch bridge and the lower arch bridge are closed, and a screw of a screw group is inserted from the through hole and then screwed in the threaded hole; the upper surface of one end of the lower arch bridge, which is far away from the semicircular hole, is provided with a mounting hole, and the mounting hole is a through hole.
The boosting wheel, wherein: the locking buckle comprises a handle and a connecting rod, wherein the front end of the handle is provided with two lugs arranged in parallel at a preset interval, each lug is provided with a pin hole at the same position, the connecting rod comprises a connecting rod and a mounting disc, the center of the mounting disc is provided with a mounting hole, the upper part of the connecting rod penetrates through the mounting disc and then is inserted between the two lugs, the upper part of the connecting rod is provided with a mounting hole, and after being inserted into the mounting hole of the connecting rod, the two ends of a pin shaft are respectively inserted into the pin holes of the two; the lower part of the connecting rod is provided with external threads which are inserted into the mounting hole on the lower arch bridge and exposed out of the lower part of the mounting hole; the pressing block comprises a pressing handle and a vertical rod connected with the pressing handle, and a threaded hole is formed in the upper portion of the vertical rod and matched with the lower portion of the connecting rod.
The boosting wheel, wherein: the connecting rod both sides are equipped with left end and right end respectively, all be equipped with rectangular hole on left end and the right-hand member end, the connecting rod lower part is inserted in the rectangular hole of end and is exposed and cooperate with the screw hole of the montant of compact heap from the end lower part.
The boosting wheel, wherein: the hanging device comprises a hanging body, a bottom plate and a sliding piece, wherein the hanging body comprises a first hanging block, a second hanging block and a connecting block arranged between the first hanging block and the second hanging block; hooks are arranged at the upper parts of the first hanging and connecting block and the second hanging and connecting block, mounting threaded holes are formed in the side walls of the first hanging and connecting block and the second hanging and connecting block, and a plurality of threaded holes are formed in the bottoms of the first hanging and connecting block and the second hanging and connecting block; the lower part is equipped with and holds the chamber in the connecting block, and holds the chamber top and be equipped with the trompil, and the trompil is seted up downwards from the roof opening of connecting block and is communicated with each other with holding the chamber, and the bayonet lock is installed in holding the chamber and the top of bayonet lock stretches out from the trompil, and the bayonet lock is equipped with the screw hole.
The boosting wheel, wherein: the bottom plate is provided with a plurality of mounting through holes matched with bottom threaded holes of the first hanging and connecting block and the second hanging and connecting block, pin holes are formed in the bottom plate between the mounting through holes, a spring pin is mounted in each pin hole, and a spring end of each spring pin is arranged in each pin hole; the sliding block comprises a support plate and a vertical wall extending upwards and vertically from the support plate, a boss is arranged on the vertical wall outwards, a pin hole is formed in the vertical wall and is a through hole, and a spring pin hole is formed in the support plate.
The boosting wheel, wherein: hooks of the first hanging and connecting block and the second hanging and connecting block are hung on two pin shafts of a second buckling piece of the quick locking device respectively, a spring pin hole on a sliding block supporting plate is sleeved on a spring pin of the bottom plate, a bayonet lock is installed in an accommodating cavity of the hanging and connecting body, and the head of the bayonet lock penetrates through the hole and then is inserted into a blind hole in the lower wall of the second buckling piece; the boss of the sliding block is embedded into a slide way between the first hanging connecting block and the second hanging connecting block, the end with threads of the pin is inserted into a pin hole in the vertical wall of the sliding block and then screwed into a threaded hole of the clamping pin, and the bolt is screwed into bottom threaded holes of the first hanging connecting block and the second hanging connecting block after being inserted from the mounting through hole of the bottom plate.
The boosting wheel, wherein: the link is box-shaped structure, internally mounted has battery and control panel, two L templates of interval predetermined distance are installed to the link roof, respectively be equipped with a plurality of mounting holes on the straight board of L template, respectively correspond with the mounting screw hole of the lateral wall of the first piece of hanging of hooking device and second hanging piece, first hanging piece and second hanging piece insert between two L templates, and the bottom surface and the link roof of first hanging piece and second hanging piece contact mutually, twist behind the mounting hole of mounting bolt inserted L template in the mounting screw hole of first hanging piece and second hanging piece, be equipped with a plurality of mounting holes on the link bottom plate.
The boosting wheel, wherein: the damping device comprises a damping bracket, a long bolt group, a rubber gasket group, a spring group, a damping slide block group, a top nut group, a pipe clamp group and a nut group; the whole damping support is door-shaped and comprises an upper wall and side walls which respectively extend downwards from two sides of the upper wall, strip-shaped holes are formed in the lower portions of the side walls, and blocking steps are arranged on the lower portions of the strip-shaped holes; the upper wall of the damping support is provided with a mounting hole which is connected with the bottom plate of the connecting frame in a bolt connection mode.
The boosting wheel, wherein: the upper portion of the outer wall of each side wall is provided with two parallel mounting lugs, each mounting lug is provided with a mounting hole, the pipe clamp is composed of two same half bodies which are combined, each half body comprises a semicircular plate and mounting flat plates on two sides of the semicircular plate, each mounting flat plate is provided with a mounting hole, and the two semicircular plates are combined to form a pipe clamp hole.
The boosting wheel, wherein: the damping slide block group comprises two damping slide blocks, the center of each damping slide block is provided with an opening, the two damping slide blocks are respectively arranged in a strip-shaped hole at the lower part of the side wall, the size between the outer walls of the damping slide blocks is matched with the size of the upper part of the strip-shaped hole, the size between the outer walls of the damping slide blocks is larger than the distance between blocking steps, wheel shafts at two ends of the driving wheel are respectively inserted into the openings of the damping slide blocks, the wheel shafts are provided with threads, two half bodies of the pipe clamp are involutory on the wheel shafts at the outer sides of the damping slide blocks, one end of the spring is placed on the mounting flat plate of the upper half body, the other end of the spring is placed below the mounting lug, the rubber gasket is placed above the mounting lug, the long bolt sequentially penetrates through the rubber gasket, the mounting hole of the; two top end nuts are respectively screwed from two sides of the wheel shaft, and the end walls of the top end nuts are abutted to the pipe clamps.
Compared with the prior art, the invention has the advantages and positive effects that at least:
1. the power-assisted wheel with the damping device can effectively improve the stability and comfort of the wheelchair during walking, and the compression spring in the damping device can effectively relieve the impact of the wheel in the process of contacting with the ground, so that the wheelchair is safer and more comfortable in the process of running.
2. The moped wheel with the damping device is integrally designed in structure, is convenient to operate and maintain, has a compact structure, has the characteristics of good controllability, strong environment adaptability and the like, and can stably run on a rugged road.
3. This helping hand with damping device makes manual wheelchair have possessed the electric drive function of electronic wheelchair, has alleviateed the physical power that the user used manual wheelchair and has paid out.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3a is a schematic view of a portion of the quick lock assembly with the hitch and the hitch assembly;
FIG. 3b is a perspective view of the quick lock device;
FIG. 4a is a schematic structural view of a hitch;
FIG. 4b is a schematic view of a slider structure;
FIG. 5 is a schematic view of the locking mechanism of the present invention;
FIG. 6 is a schematic view of the shock absorbing device of the present invention;
fig. 7 is a schematic view of the assistance wheel of the present invention mounted on a wheelchair.
Detailed Description
The following describes the booster wheel with a shock-absorbing device according to the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, the booster wheel with a shock absorber of the present invention includes a connecting rod 4, a quick lock device 1, a first locking mechanism 6, a second locking mechanism 34, a hitch device 37, a connecting frame 19, a shock absorber 17, and a driving wheel 35. Wherein the first locking mechanism 6 and the second locking mechanism 34 are respectively arranged at two ends of the connecting rod 4 and are used for being connected with the wheelchair frame; the quick locking device 1 is arranged in the middle of the connecting rod 4 and is used for being connected with one end of a hanging device 37, the other end of the hanging device 37 is used for being connected with one end of a connecting frame 19, the other end of the connecting frame 19 is connected with a damping device 17, and the damping device 17 is arranged on the driving wheel 35.
As shown in fig. 2, 3a, and 3b, the quick lock device 1 includes a first fastener 101 and a second fastener 102, both the first fastener 101 and the second fastener 102 are provided with a semi-circular hole having the same diameter, after the first fastener 101 and the second fastener 102 are fastened, the two semi-circular holes are combined to form a complete circular hole, two side walls of the second fastener 102 are respectively provided with a flat head pin shaft 2, the first fastener 101 is provided with a plurality of through holes 103, and the through holes 103 extend from openings on opposite sides of a fastening wall of the first fastener 101 fastened with the second fastener 102 to the fastening wall; the second fastener 102 has a threaded hole (not shown) formed therein at a position corresponding to the through hole 103 on the fastening wall fastened to the first fastener 101. During installation, the semicircular holes of the first fastening piece 101 and the second fastening piece 102 are respectively fastened at the positions of two sides of the middle part of the connecting rod 4, the first fastening piece 101 and the second fastening piece 102 are fastened, and the bolt is inserted from the through hole 103 and then screwed in the threaded hole, so that the quick locking device 1 can be installed on the connecting rod 4. As shown in FIG. 3b, the lower wall of the second fastener 102 is provided with blind holes 105 that extend inwardly.
The first locking mechanism 6 and the second locking mechanism 34 have the same structure, and the first locking mechanism 6 is described as an example, and as shown in fig. 2 and 5, the first locking mechanism 6 includes a first upper arch bridge 21, a first lower arch bridge 22, a first screw group 20, a first pressing block 23, and a first locking buckle 24. The first upper arch bridge 21 and the first lower arch bridge 22 are both provided with a semicircular hole with the same diameter, the two semicircular holes are combined into a complete circular hole after the first upper arch bridge 21 and the first lower arch bridge 22 are buckled, the first upper arch bridge 21 is provided with a plurality of through holes 201, and the through holes are opened from the opposite side of the buckling wall of the first upper arch bridge 21 buckled with the first lower arch bridge 22 and extend to the buckling wall; the first lower arch bridge 22 is provided with a threaded hole 202 inwards at a position corresponding to the through hole on a buckling wall buckled with the first upper arch bridge 21. During installation, the first locking mechanism 6 can be installed on the wheelchair frame by respectively fastening the semicircular holes of the first upper arch bridge 21 and the first lower arch bridge 22 at positions on both sides of one of the two longitudinal struts of the wheelchair frame, aligning the first upper arch bridge 21 and the first lower arch bridge 22, inserting the screws of the first screw set 20 through the through holes 201, and then screwing the screws into the threaded holes 202. The upper surface of one end of the first lower arch bridge 22 far away from the semicircular hole is provided with a mounting hole 203 which is a through hole; the first locking buckle 24 comprises a handle and a connecting rod, wherein the front end of the handle is provided with two lugs 208 which are arranged in parallel at a preset distance, each lug is provided with a pin hole at the same position, the connecting rod comprises a connecting rod 204 and a mounting disc 205, the center of the mounting disc 205 is provided with a mounting hole, the upper part of the connecting rod 204 passes through the mounting disc 205 and then is inserted into the space between the two lugs 208, the upper part of the connecting rod 204 is provided with a mounting hole, a pin shaft 207 is inserted into the mounting hole of the connecting rod 204 from the pin hole of one lug 208 and then is inserted into the pin hole of the other lug 208, the lugs 208 can rotate around the pin shaft 207, and the cam parts 206 at the lower ends; the lower part of the connecting rod 204 is provided with an external thread, and the external thread is inserted into the mounting hole 203 on the first lower arch bridge 22 and is exposed out of the lower part of the mounting hole 203; the first pressing block 23 comprises a pressing handle 209 and a vertical rod connected with the pressing handle 209, and the upper part of the vertical rod is provided with a threaded hole which is matched with the lower part of the connecting rod 204. Connecting rod 4 both sides are equipped with left end 3 and right-hand member head 5 respectively, all be equipped with rectangular hole on left end 3 and the right end 5, left end 3 and right end 5 can with connecting rod 4 integrated into one piece or weld on it, insert in left end 3 and expose the back from left end 3 lower part with the screw hole cooperation of montant the connecting rod 204 lower part, screw up handle 209 and can be fixed left end 3 with first tight locking mechanical system 6 on. Because the left end head 3 and the right end head 5 are both provided with the long holes, when the first locking mechanism 6 is installed on the wheelchair frame, the installation position can be adjusted left and right, and the semicircular holes of the upper arch bridge 21 and the first lower arch bridge 22 are conveniently buckled on the wheelchair frame pillars respectively so as to adapt to wheelchair frames with different sizes. During adjustment, the first locking buckle 24 is rotated upward to release the cam portion 206 on the lug 208 from the surface of the mounting plate 205, and the first locking mechanism 6 can be moved left and right along the elongated hole on the left head 6, and when the position is appropriate, the first locking buckle 24 is rotated downward to press the cam portion 206 on the lug 208 against the surface of the mounting plate 205, and the position of the first locking mechanism 6 on the left head 3 can be locked. The second locking mechanism 34 has the same structure as the first locking mechanism 6, and includes a second lower arch bridge 14, a second screw group 15, a second upper arch bridge 16, a second locking buckle 12, a second pressing block 13, and the like, and the connection mode of the second locking mechanism 34 and the wheelchair frame is the same as that of the first locking mechanism 6 and the wheelchair frame.
As shown in FIG. 4a, the hitch 37 includes a hitch body 300, a base plate 307 and a slider 309. The hanging body 300 comprises a first hanging block 301a and a second hanging block 301b which are the same in shape and size, and a connecting block 302 arranged between the first hanging block 301a and the second hanging block 301b, the front wall of the connecting block 302 is recessed inwards to form a slide way compared with the front walls of the first hanging block 301a and the second hanging block 301b, and the first hanging block 301a, the second hanging block 301b and the connecting block 302 can be integrally formed. Hooks 303 are arranged at the upper parts of the first hanging and connecting block 301a and the second hanging and connecting block 301b, mounting threaded holes 304 are arranged on the side walls of the first hanging and connecting block 301a and the second hanging and connecting block 301b, and a plurality of threaded holes (not shown in the figure) are arranged at the bottoms of the first hanging and connecting block 301a and the second hanging and connecting block 301 b; an accommodating cavity 305 is formed in the middle lower portion of the connecting block 302, an opening 306 is formed in the top of the accommodating cavity, the opening 306 is formed downwards from an opening in the top wall of the connecting block 302 and communicated with the accommodating cavity 305, the bayonet 9 is installed in the accommodating cavity 305, the top of the bayonet 9 extends out of the opening 306, and a threaded hole 311 is formed in the lower portion of the bayonet 9 in the direction perpendicular to the center line of the bayonet 9; a plurality of mounting through holes 308 matched with the bottom threaded holes of the first hanging block 301a and the second hanging block 301b are formed in the bottom plate 307, two pin holes (not shown in the figure) are formed in the position, between the mounting through holes 308, of the bottom plate 307, one spring pin 10 is installed in each pin hole, and the spring end of each spring pin 10 is arranged in each pin hole and gives upward elastic force to the pin body of each spring pin 10; the slider 309 comprises a support plate and a vertical wall extending vertically upwards from the support plate, the vertical wall is provided with a boss outwards, the vertical wall is provided with a pin hole 310, the pin hole 310 is a through hole, and penetrates through the boss and the vertical wall, as shown in fig. 4b, the support plate is provided with two spring pin holes 313. The hitch 37 is connected to the quick lock device 1 as follows: the hooks 303 of the first hooking block 301a and the second hooking block 301b are respectively hooked on the two flat-head pin shafts 2 of the second fastener 102 of the quick lock device 1, and the slider 309 is installed on the bottom plate 307: the spring pin hole 313 on the support plate of the sliding block 309 is sleeved on the spring pin 313 of the bottom plate 307, the bayonet lock 9 is installed in the accommodating cavity 305 of the hanging body 300, and the head of the bayonet lock 9 passes through the opening 306 and then is inserted into the blind hole 105 of the lower wall of the second buckling piece 102; the boss of the slider 309 is inserted into the slide between the first and second hooking blocks 301a and 301b, the threaded end of the pin 312 is inserted into the pin hole 310 of the vertical wall of the slider 309 and screwed into the threaded hole 311 of the bayonet 9, and the bolt is inserted from the mounting through hole 308 of the base plate 307 and screwed into the bottom threaded holes of the first and second hooking blocks 301a and 301 b. When the quick locking device is detached, the sliding block 309 can be pushed downwards, the sliding block 309 compresses the spring pin 313 and then moves downwards, the bayonet lock 9 is driven to be separated from the blind hole 105, the hooking device 37 can be separated from the quick locking device 1, during installation, the sliding block 309 is pressed down firstly, meanwhile, the hooks 303 are hung on the two flat-head pin shafts 2 of the second buckling piece 102 of the quick locking device 1 respectively, the sliding block 309 is loosened, the sliding block 309 slides upwards under the elastic action of the spring pin 313, the bayonet lock 9 is driven to be inserted into the blind hole 105, and connection of the hooking device 37 and the quick locking device 1 can be completed conveniently.
As shown in fig. 2, the connecting frame 19 is a box-shaped structure, the battery and the control board 18 are installed inside, two L-shaped boards 40 are installed on the top board of the connecting frame 19 at a predetermined distance, the bottom board of the L-shaped board 40 is fixed on the top board of the connecting frame 19 by means of bolting or welding, a plurality of mounting holes are respectively formed on the straight boards of the L-shaped boards 40 and respectively correspond to the mounting threaded holes 304 of the side walls of the first hanging block 301a and the second hanging block 301b of the hanging device 37, the first hanging block 301a and the second hanging block 301b are inserted between the two L-shaped boards 40, the bottom surfaces of the first hanging block 301a and the second hanging block 301b are in contact with the top board of the connecting frame 19, and the mounting bolts are inserted into the mounting holes of the L-shaped boards 40 and screwed into the threaded holes 304 to connect the connecting frame 19 and the hanging device 37. The bottom plate of the connecting frame 19 is provided with a plurality of mounting holes.
As shown in fig. 6, the damping device 17 includes a damping bracket 39, a long bolt set 25, a rubber washer set 26, a spring set 27, a damping slider set 29, a top nut set 30, a pipe clamp set 31, and a nut set 32. The shock absorption bracket 39 is a substantially door-shaped bracket as a whole, and comprises an upper wall and side walls 28 which extend downwards from two sides of the upper wall respectively, the lower parts of the side walls 28 are provided with strip-shaped holes, and the size of the lower parts of the strip-shaped holes is smaller than that of the upper parts of the strip-shaped holes, so that a blocking step is formed; the upper wall of the shock-absorbing bracket is provided with a mounting hole which is connected with the bottom plate of the connecting frame 19 by means of bolts, thereby connecting the shock-absorbing device 17 and the connecting frame 19 with each other. The long bolt group 25, the rubber washer group 26, the spring group 27, the top nut group 30 and the nut group 32 in the damping device 17 are respectively composed of 4 same long bolts, rubber washers, springs and nuts and are symmetrically arranged on two side walls 28; the damping slide block set 29, the top nut set 30 and the pipe clamp set 31 are respectively composed of two identical slide blocks, top nuts and pipe clamps and are also symmetrically arranged on the two side walls 28.
The upper portion of the outer wall of each side wall 28 is provided with two parallel mounting lugs 38, each mounting lug 38 is provided with a mounting hole, the pipe clamp 31 is composed of two identical half bodies which are closed, each half body comprises a semicircular plate and mounting flat plates on two sides of the semicircular plate, each mounting flat plate is provided with a mounting hole, and the two semicircular plates are closed to form a pipe clamp hole. The damping slide block set 29 comprises two damping slide blocks, the center of each damping slide block is provided with an opening, the two damping slide blocks are respectively arranged in a strip-shaped hole at the lower part of the side wall 28, the size between the outer walls of the damping slide blocks is matched with the size of the upper part of the strip-shaped hole, the size between the outer walls of the damping slide blocks is larger than the distance between the blocking steps, wheel shafts at two ends of the driving wheel 35 are respectively inserted into the opening of one damping slide block, threads are arranged on the wheel shaft exposed outside the opening, two half bodies of the pipe clamp 31 are buckled on the wheel shafts outside the damping slide blocks, one end of the spring 27 is arranged on the mounting flat plate of the upper half body, the other end of the spring is arranged below the mounting lug 38, the rubber gasket 26 is arranged above the mounting lug 38 and is aligned with the mounting hole, the long bolt 25 sequentially passes through the rubber gasket 26, the mounting, the nut 32 locks the long bolt 25 at the bottom of the lower half of the installation plate; the two tip nuts 32 are tightened from both sides of the axle until the end walls of the tip nuts 32 abut against the pipe clamps 31, thereby connecting the drive wheel 35 with the damper 17.
As shown in fig. 7, the booster wheel with a shock absorber of the present invention is attached to a manual wheelchair 33 by a first locking mechanism 6 and a second locking mechanism 34. When the invention runs on a rugged road or starts to ascend and descend, the vertical height of the driving wheel 35 relative to the manual wheelchair 33 changes, the compression spring set 27 is compressed or extended, the damping slide block set 29 slides on the damping bracket 39, so that the position of the driving wheel 35 relative to the manual wheelchair 33 is changed up and down, and the damping device 17 plays a damping role, so that the wheelchair runs more stably and comfortably. When the booster wheel of the present invention is not in use, the shock-absorbing device can be lifted off the ground by pressing down the slider 309. When the booster wheel is disassembled, the first locking buckle 24 and the second locking buckle 12 are lifted, the first pressing block 23 and the second pressing block 13 are rotated to be in the same direction with the strip holes at the two ends, and the disassembly is realized, and the assembly is just reverse.
Claims (1)
1. The utility model provides a take damping device's helping hand wheel, includes the connecting rod, quick locking device, first locking mechanism, second locking mechanism, hooking device, link, damping device and drive wheel, its characterized in that: the first locking mechanism and the second locking mechanism are respectively arranged at two ends of the connecting rod and are used for being connected with the wheelchair frame; the quick locking device is arranged in the middle of the connecting rod and connected with the upper end of the hanging device, the lower end of the hanging device is connected with the upper end of the connecting frame, the lower end of the connecting frame is connected with the damping device, and the damping device is arranged on the driving wheel; the first locking mechanism and the second locking mechanism are completely the same in structure, and each locking mechanism comprises an upper arch bridge, a lower arch bridge, a screw group, a pressing block and a locking buckle; the upper arch bridge and the lower arch bridge are both provided with a semicircular hole with the same diameter; the upper arch bridge is provided with a plurality of through holes, and the through holes are opened from the opposite side of a buckling wall of the upper arch bridge, which is buckled with the lower arch bridge, and extend to the buckling wall; a threaded hole is inwards formed in the lower arch bridge at a position corresponding to the through hole on a buckling wall buckled with the upper arch bridge;
the locking buckle comprises a handle and a connecting rod, wherein the front end of the handle is provided with two lugs arranged in parallel at a preset interval, each lug is provided with a pin hole at the same position, the connecting rod comprises a connecting rod and a mounting disc, the center of the mounting disc is provided with a mounting hole, the upper part of the connecting rod penetrates through the mounting disc and then is inserted between the two lugs, the upper part of the connecting rod is provided with a mounting hole, and after being inserted into the mounting hole of the connecting rod, the two ends of a pin shaft are respectively inserted into the pin holes of the two; the lower part of the connecting rod is provided with external threads which are inserted into the mounting hole on the lower arch bridge and exposed out of the lower part of the mounting hole; the pressing block comprises a pressing handle and a vertical rod connected with the pressing handle, and the upper part of the vertical rod is provided with a threaded hole matched with the lower part of the connecting rod; the two sides of the connecting rod are respectively provided with a left end head and a right end head, the left end head and the right end head are both provided with strip holes, and the lower part of the connecting rod is inserted into the strip holes of the end heads, is exposed out of the lower part of the end heads and is matched with the threaded holes of the vertical rods of the pressing blocks;
the quick locking device comprises a first buckling piece and a second buckling piece, wherein the first buckling piece and the second buckling piece are both provided with a semicircular hole with the same diameter, two side walls of the second buckling piece are respectively provided with a pin shaft, the first buckling piece is provided with a plurality of through holes, and the through holes extend to the buckling wall from an opening at the opposite side of the buckling wall of the first buckling piece, which is buckled with the second buckling piece; the second buckling piece is internally provided with a threaded hole at the position corresponding to the through hole on the buckling wall buckled with the first buckling piece; the semicircular holes of the first buckling piece and the second buckling piece are buckled at the two sides of the middle part of the connecting rod respectively, the first buckling piece and the second buckling piece are buckled, and the bolt is screwed in the threaded hole after being inserted from the through hole; the lower wall of the second buckling piece is internally provided with a blind hole;
the hanging device comprises a hanging body, a bottom plate and a sliding piece, wherein the hanging body comprises a first hanging block, a second hanging block and a connecting block arranged between the first hanging block and the second hanging block; hooks are arranged at the upper parts of the first hanging and connecting block and the second hanging and connecting block, mounting threaded holes are formed in the side walls of the first hanging and connecting block and the second hanging and connecting block, and a plurality of threaded holes are formed in the bottoms of the first hanging and connecting block and the second hanging and connecting block; an accommodating cavity is formed in the middle lower portion of the connecting block, an opening is formed in the top of the accommodating cavity, the opening is formed downwards from an opening in the top wall of the connecting block and communicated with the accommodating cavity, the clamping pin is installed in the accommodating cavity, the top of the clamping pin extends out of the opening, and the clamping pin is provided with a threaded hole; the bottom plate is provided with a plurality of mounting through holes matched with bottom threaded holes of the first hanging and connecting block and the second hanging and connecting block, pin holes are formed in the bottom plate between the mounting through holes, a spring pin is mounted in each pin hole, and a spring end of each spring pin is arranged in each pin hole; the sliding block comprises a support plate and a vertical wall vertically extending upwards from the support plate, a boss is arranged outwards on the vertical wall, a pin hole is formed in the vertical wall, the pin hole is a through hole, and a spring pin hole is formed in the support plate; hooks of the first hanging and connecting block and the second hanging and connecting block are hung on two pin shafts of a second buckling piece of the quick locking device respectively, a spring pin hole on a sliding block supporting plate is sleeved on a spring pin of the bottom plate, a bayonet lock is installed in an accommodating cavity of the hanging and connecting body, and the head of the bayonet lock penetrates through the hole and then is inserted into a blind hole in the lower wall of the second buckling piece; the boss of the sliding block is embedded into a slide way between the first hanging connecting block and the second hanging connecting block, the end with threads of the pin is inserted into a pin hole of the vertical wall of the sliding block and then screwed into a threaded hole of the bayonet lock, and the bolt is inserted from the mounting through hole of the bottom plate and then screwed into threaded holes at the bottom of the first hanging connecting block and the second hanging connecting block;
the connecting frame is of a box-shaped structure, a battery and a control panel are installed inside the connecting frame, two L-shaped plates which are spaced by a preset distance are installed on a top plate of the connecting frame, a plurality of mounting holes are respectively formed in straight plates of the L-shaped plates and respectively correspond to mounting threaded holes in the side walls of a first hanging connecting block and a second hanging connecting block of the hanging device, the first hanging connecting block and the second hanging connecting block are inserted between the two L-shaped plates, the bottom surfaces of the first hanging connecting block and the second hanging connecting block are in contact with the top plate of the connecting frame, mounting bolts are inserted into the mounting holes of the L-shaped plates and then screwed into the mounting threaded holes of the first hanging connecting block and the second hanging connecting block, and a plurality of mounting holes are formed in a;
the damping device comprises a damping bracket, a long bolt group, a rubber gasket group, a spring group, a damping slide block group, a top nut group, a pipe clamp group and a nut group; the whole damping support is door-shaped and comprises an upper wall and side walls which respectively extend downwards from two sides of the upper wall, strip-shaped holes are formed in the lower portions of the side walls, and blocking steps are arranged on the lower portions of the strip-shaped holes; the upper wall of the shock absorption bracket is provided with a mounting hole and is connected with the bottom plate of the connecting frame in a bolt connection mode;
the damping slide block group comprises two damping slide blocks, the center of each damping slide block is provided with an opening, the two damping slide blocks are respectively arranged in a strip-shaped hole at the lower part of the side wall, the size between the outer walls of the damping slide blocks is matched with the size of the upper part of the strip-shaped hole, the size between the outer walls of the damping slide blocks is larger than the distance between blocking steps, wheel shafts at two ends of the driving wheel are respectively inserted into the openings of the damping slide blocks, the wheel shafts are provided with threads, two half bodies of the pipe clamp are involutory on the wheel shafts at the outer sides of the damping slide blocks, one end of the spring is placed on the mounting flat plate of the upper half body, the other end of the spring is placed below the mounting lug, the rubber gasket is placed above the mounting lug, the long bolt sequentially penetrates through the rubber gasket, the mounting hole of the; two top end nuts are respectively screwed from two sides of the wheel shaft, and the end walls of the top end nuts are abutted to the pipe clamps.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110175328.7A CN112972139B (en) | 2018-10-17 | 2018-10-17 | Wheel chair |
| CN201811205429.9A CN109394441B (en) | 2018-10-17 | 2018-10-17 | Power-assisted wheel with damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205429.9A CN109394441B (en) | 2018-10-17 | 2018-10-17 | Power-assisted wheel with damping device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110175328.7A Division CN112972139B (en) | 2018-10-17 | 2018-10-17 | Wheel chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109394441A CN109394441A (en) | 2019-03-01 |
| CN109394441B true CN109394441B (en) | 2021-02-19 |
Family
ID=65467317
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110175328.7A Active CN112972139B (en) | 2018-10-17 | 2018-10-17 | Wheel chair |
| CN201811205429.9A Active CN109394441B (en) | 2018-10-17 | 2018-10-17 | Power-assisted wheel with damping device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110175328.7A Active CN112972139B (en) | 2018-10-17 | 2018-10-17 | Wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112972139B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081732A (en) * | 2021-12-22 | 2022-02-25 | 深圳市车安达机电有限公司 | Auxiliary push-pull device for wheelchair |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110026281A (en) * | 2009-09-07 | 2011-03-15 | 중앙대학교 산학협력단 | Wheelchairs |
| CN105167926A (en) * | 2015-09-25 | 2015-12-23 | 江门市朝扬精密制造有限公司 | Electrically propelled wheelchair with driving wheels capable of being detached quickly |
| CN105105934B (en) * | 2015-09-29 | 2017-02-01 | 天津科技大学 | Multifunctional separating power-assisted wheelchair |
| JP6523131B2 (en) * | 2015-10-14 | 2019-05-29 | 岐阜車体工業株式会社 | Wheelchair with assist device and assist device |
| CN105292334B (en) * | 2015-11-20 | 2018-01-09 | 苏州速蝶科技有限公司 | A kind of quick access device and Electric disability vehicle |
| CN205459435U (en) * | 2016-01-09 | 2016-08-17 | 东莞市登泰五金科技有限公司 | electric shock absorbing wheelchair |
| CN205215558U (en) * | 2016-01-25 | 2016-05-11 | 江苏鸿凯医疗科技有限公司 | Variably help wheelchair that outfit for a journey put |
| CN107174423B (en) * | 2017-04-26 | 2018-11-16 | 杨玉娟 | A kind of detachable wheelchair |
| CN107773358B (en) * | 2017-12-07 | 2024-02-27 | 兰邦翔 | Wheelchair power-assisted driving device |
| CN108078698A (en) * | 2018-01-30 | 2018-05-29 | 成都骏铭圭科技有限公司 | A kind of walking-aided wheelchair buffer damping mechanism |
| CN108175587A (en) * | 2018-03-26 | 2018-06-19 | 佛山市顺康达医疗科技有限公司 | A kind of damped wheelchair |
-
2018
- 2018-10-17 CN CN202110175328.7A patent/CN112972139B/en active Active
- 2018-10-17 CN CN201811205429.9A patent/CN109394441B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109394441A (en) | 2019-03-01 |
| CN112972139A (en) | 2021-06-18 |
| CN112972139B (en) | 2022-09-09 |
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Effective date of registration: 20211125 Address after: 226311 No. 17, Yulan Road, Xitong science and Technology Industrial Park, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Jirui medical instrument (Nantong) Co.,Ltd. Address before: 100176 1 ronghua Middle Road, Daxing District economic and Technological Development Zone, Beijing Patentee before: NATIONAL RESEARCH CENTER FOR REHABILITATION TECHNICAL AIDS |