CN109394441A - A kind of power-assisted wheel with damping device - Google Patents
A kind of power-assisted wheel with damping device Download PDFInfo
- Publication number
- CN109394441A CN109394441A CN201811205429.9A CN201811205429A CN109394441A CN 109394441 A CN109394441 A CN 109394441A CN 201811205429 A CN201811205429 A CN 201811205429A CN 109394441 A CN109394441 A CN 109394441A
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- fastener
- hole
- power
- connecting rod
- mounting
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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
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
A kind of power-assisted wheel with damping device of the invention includes wheelchair retaining mechanism, attachment device, installation seating portion, driving device, shock absorbing part and driving wheel apparatus.Wherein shock absorbing part is made of four springs, is separately mounted on four casings, and spring, which is compressed or stretched on casing, plays the role of damping.Wheelchair power-assisted wheel damping device is mounted on manual wheelchair so that manual wheelchair has a function of electric wheelchair, the present invention have it is compact-sized, convenient for disassembly and assembly, can effective damping, adapt to climb and fall and uneven road surface；The service life that the comfort used can preferably be promoted, while fatigue rupture is effectively reduced, extends wheelchair.
Description
Technical field
The present invention relates to a kind of power-assisted wheel with damping device, provides a kind of shock-absorbing boosting wheel apparatus that wheelchair uses,
It belongs to rehabilitation auxiliary implement and mobile walk help technical field.
Background technique
As population life constantly extends, elderly population proportion is continuously increased, and current Chinese society has stepped into
Aging, more and more the elderlys are because of age increase and with physically-draining, or lead to arm because of various diseases
Or double-legged strength deficiency, thus it is handicapped, therefore wheelchair becomes the most important tool of these the elderlys trip.Meanwhile
The physical disabilities of lower limb disorder are also required to wheelchair.
Manual wheelchair is foldable, light and handy when using, and easy to carry and vehicle-mounted, manual wheelchair is also largely made currently on the market
With, but manual wheelchair, for user and care-giver, there is also such as need manpower to drive.Although at present
There is manual wheelchair power-assisted wheel apparatus, but these wheelchair power-assisted wheels it is universal lack shock-absorbing function, and dismount it is not convenient enough.
Summary of the invention
The object of the present invention is to provide a kind of power-assisted wheel with damping device, can provide the same of power-assisted for wheelchair
Shi Youxiao damping, and dismount extremely convenient.
Purpose to realize the present invention, is achieved using following technical scheme:
A kind of power-assisted wheel with damping device, including connecting rod, fast locking device, the first retaining mechanism, the second retaining mechanism,
Hanging device, connection frame, damping device and driving wheel, in which: the first retaining mechanism and the second retaining mechanism are separately mounted to connect
The both ends of extension bar, for being connected with wheelchair rack；Fast locking device is mounted in the middle part of connecting rod, is connect with the upper end of hanging device,
The lower end of hanging device is connect with connection frame upper end, and connection frame lower end is connect with damping device, and damping device is mounted on driving wheel
On.
The power-assisted wheel, in which: fast locking device includes the first fastener and the second fastener, first fastener and
It is designed with the identical semicircle orifice of a diameter on second fastener, is respectively provided with a pin shaft on the second fastener two sidewalls, first
Fastener is equipped with multiple through-holes, and the through-hole is opened from the opposite side for the fastening wall of the first fastener being interlocked with the second fastener
Mouth simultaneously extends to the fastening wall；It is corresponding with the through-hole in the fastening wall being interlocked with the first fastener on second fastener
Position be provided inwardly with threaded hole.
The power-assisted wheel, in which: the semicircle orifice of the first fastener and the second fastener is buckled in respectively two in the middle part of connecting rod
The position of side, the first fastener and the second fastener fasten, and bolt is tightened in threaded hole after through-hole insertion.
The power-assisted wheel, in which: the second fastener lower wall is inwardly provided with blind hole.
The power-assisted wheel, in which: the first tight latch mechanism and the second tight latch mechanism structure are identical, each retaining mechanism
It all include upper arch bridge, lower arch bridge, screw group, compact heap, tight locking button；It is identical that a diameter is designed on upper arch bridge and lower arch bridge
Semicircle orifice；Upper arch bridge is equipped with multiple through-holes, and the opposite side for the fastening wall that the through-hole is interlocked from upper arch bridge and lower arch bridge is opened
Mouth simultaneously extends to the fastening wall；On lower arch bridge the fastening wall position corresponding with the through-hole being interlocked with upper arch bridge to
It is interior to be equipped with threaded hole.
The power-assisted wheel, in which: the semicircle orifice of upper arch bridge and lower arch bridge is buckled in two longitudinal branch of wheelchair rack respectively
The screw of the position of the pillar two sides of one of column, upper arch bridge and lower arch bridge pairing, screw group is tightened in screw thread after through-hole insertion
Kong Zhong；Lower arch bridge is provided with mounting hole in the upper surface of one end far from its semicircle orifice, and the mounting hole is through-hole.
The power-assisted wheel, in which: tight locking button includes handle and connecting rod, and wherein handle front end sets predetermined there are two being spaced
Apart from lug disposed in parallel, it is designed with pin hole in same position on each lug, connecting rod includes connecting rod and mounting disc, installation
Disk center is provided with mounting hole, and connecting rod top is inserted into two lugs after mounting disc, and connecting rod top is provided with mounting hole, pin
Axis is inserted into the pin hole of two lugs respectively from both ends after the insertion of the mounting hole of connecting rod；Connecting rod lower part is equipped with external screw thread, is inserted into
Expose in mounting hole on lower arch bridge and from mounting hole lower part；Compact heap includes pressing handle and is connected with pressing handle perpendicular
Bar, vertical bar top offer threaded hole, cooperate with connecting rod lower part.
The power-assisted wheel, in which: connecting rod two sides are respectively equipped with left end and right end, the left end and right end
On be designed with strip hole, connecting rod lower part be inserted into the strip hole of end and expose from end lower part and with the vertical bar of compact heap
Threaded hole cooperation.
The power-assisted wheel, in which: hanging device includes mounting body, bottom plate and sliding part, wherein mounting body includes first
Mounting block and the second mounting block and the link block being arranged between, are formed between the first mounting block and the second mounting block
Slideway；First mounting block and the second mounting block top are designed with hook, and the side wall that the first mounting block and second mount block is equipped with peace
Threaded hole is filled, the bottom that the first mounting block and second mount block is equipped with multiple threaded holes；Link block middle and lower part is equipped with accommodating chamber, and
It is equipped with aperture at the top of accommodating chamber, Open Side Down opens up and communicate with accommodating chamber from the roof of link block for aperture, and bayonet lock is mounted on appearance
It receives in chamber and the top of bayonet lock is stretched out from aperture, bayonet lock is equipped with threaded hole.
The power-assisted wheel, in which: bottom plate is equipped with multiple bottom thread holes with the first mounting block and the second mounting block
The installation through-hole matched, position of the bottom plate between installation through-hole are equipped with pin hole, are equipped with a spring catch, spring in pin hole
The spring terminal of pin is arranged in pin hole；Sliding block includes supporting plate and from supporting plate vertically extending vertical wall upwards, and vertical wall is to peripheral hardware
There is boss, pin hole is provided in vertical wall, pin hole is through-hole, is provided with spring pin hole on supporting plate.
The power-assisted wheel, in which: the hook of the first mounting block and the second mounting block is hung in fast locking device second and detains
On two pin shafts of component, the spring pin hole on sliding block supporting plate covers on the spring catch of bottom plate, and bayonet lock is mounted on the appearance of mounting body
It receives in chamber, bayonet lock head is inserted into the blind hole of the second fastener lower wall after passing through aperture；Boss insertion the first mounting block of sliding block
And in the second slideway between mounting block, bayonet lock is screwed into after the pin hole of screwed one end of pin insertion sliding block vertical wall
In threaded hole, bolt is screwed into the bottom thread hole of the first mounting block and the second mounting block after being inserted into from the installation through-hole of bottom plate
In.
The power-assisted wheel, in which: connection frame is box like structure, and inside is equipped with battery and control panel, connection frame top plate
Installation is respectively provided with multiple mounting holes in the straight panel of L-type plate there are two the L-type plate that is spaced a predetermined distance, respectively with hanging device
The installation threaded hole of the side wall of first mounting block and the second mounting block is corresponding, and the first mounting block and the second mounting block are inserted in two
Between L-type plate, and the bottom surface of the first mounting block and the second mounting block is in contact with connection frame top plate, and installation bolt is inserted into L-type plate
Mounting hole after be screwed into the first mounting block and second mounting block installation threaded hole in, connection frame bottom plate be equipped with multiple installations
Hole.
The power-assisted wheel, in which: damping device includes shock bracket, and stay bolt group, groups of springs, subtracts rubber washer group
Shake sliding block group, top nut group, pipe clamp group, nut group；Shock bracket generally gate, including upper wall and respectively by upper wall two sides
The side wall of setting is extended downwardly, lower sidewall is provided with strip-shaped hole, and strip-shaped hole lower part, which is equipped with, stops step；The upper wall of shock bracket is set
There is mounting hole, is connect by bolted connection with the bottom plate of connection frame.
The power-assisted wheel, in which: the outer wall top of each side wall is all provided with there are two mounting ear arranged side by side, each mounting ear
On be designed with mounting hole, pipe clamp is made of two identical halfbodies of pairing, and each halfbody includes semi-circular plate and semi-circular plate two
The installation plate of side is designed with mounting hole on each installation plate, forms pipe clamp hole after two semi-circular plate pairings.
The power-assisted wheel, in which: damping sliding block group includes two damping sliding blocks, and each damping center is designed with out
Hole, two damping sliding blocks are separately mounted in the strip-shaped hole of lower sidewall, and size and bar shaped between the outer wall of damping sliding block
Hole upper dimension matches, and the size between the outer wall of damping sliding block is greater than the distance between blocking step, driving wheel both ends
Wheel shaft be respectively inserted into the aperture of a damping sliding block, wheel shaft be equipped with screw thread, two halfbodies of pipe clamp are in damping sliding block
Outside pairing on wheel shaft, spring one end is placed on the installation plate of top halfbody, and the other end is placed on mounting ear in the following, rubber
Washer is placed on above mounting ear, and stay bolt sequentially passes through two halfbodies of rubber washer, the mounting hole of mounting ear, spring, pipe clamp
Installation plate mounting hole, nut lower part halfbody bottom lock stay bolt；Two top nuts are distinguished from wheel shaft two sides
It tightens, the end wall of top nut abuts pipe clamp.
Compared with prior art, the advantages and positive effects of the present invention include at least:
1, the power-assisted wheel with damping device of the invention can effectively improve stability and comfort when wheelchair is walked, subtract
Compressed spring in shake device can effectively alleviate the impact in wheel and ground contact process, so that wheelchair is in driving process
In more safety and comfortable.
2, the power-assisted wheel with damping device of the invention uses integrated design, convenient operating maintenance, knot in structure
The features such as structure is compact, has controllability good, strong environmental adaptability, can smoothly travel on rugged road.
3, it should make what manual wheelchair had an electric wheelchair to be driven by electricity function with power-assisted of damping device, alleviating makes
User is paid using the physical strength of manual wheelchair.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 a is fast locking device and hanging device and connect rack device partial structure diagram；
Fig. 3 b is fast locking device schematic perspective view；
Fig. 4 a is hanging device structural schematic diagram；
Fig. 4 b is slide block structure schematic diagram；
Fig. 5 is locking mechanism structure schematic diagram of the invention；
Fig. 6 is damping device structural schematic diagram of the invention；
Fig. 7 is that power-assisted wheel of the invention is mounted on the schematic diagram on wheelchair.
Specific embodiment
Detailed description of the present invention has the power-assisted wheel of damping device with reference to the accompanying drawing.
As shown in Figure 1, the power-assisted wheel of the invention with damping device includes connecting rod 4, and fast locking device 1, the first locking machine
Structure 6, the second retaining mechanism 34, hanging device 37, connection frame 19, damping device 17, driving wheel 35.Wherein the first retaining mechanism 6
The both ends of connecting rod 4 are separately mounted to the second retaining mechanism 34, for being connected with wheelchair rack；Fast 1 company of being mounted on of locking device
4 middle part of extension bar, for connecting with one end of hanging device 37, the other end of hanging device 37 is used to connect with one end of connection frame 19
It connects, the other end of connection frame 19 is connect with damping device 17, and damping device 17 is mounted on driving wheel 35.
Such as Fig. 2,3a, shown in 3b, fast locking device 1 includes the first fastener 101, the second fastener 102, and described first fastens
The identical semicircle orifice of a diameter, the first fastener 101 and the second fastener 102 are designed on part 101 and the second fastener 102
It fastens latter two semicircle orifice and is combined into complete circular hole, a homalocephalus pin shaft 2 is respectively provided on 102 two sidewalls of the second fastener,
First fastener 101 is equipped with multiple through-holes 103, and the through-hole 103 is from the first fastener 101 and the second fastener 102 phase
The fastening wall of fastening to side opening and extend to the fastening wall；It is engaged on second fastener 102 with the first fastener 101
The fastening wall of conjunction position corresponding with the through-hole 103 is provided inwardly with threaded hole (not shown).When installation, by the first button
The semicircle orifice of component 101 and the second fastener 102 is buckled in the position of 4 on both sides of the middle of connecting rod respectively, by 101 He of the first fastener
Second fastener 102 fastens, and is tightened in threaded hole after the insertion of through-hole 103 with bolt, can be by fast 1 company of being installed to of locking device
On extension bar 4.As shown in Figure 3b, 102 lower wall of the second fastener is inwardly provided with blind hole 105.
First tight latch mechanism 6 is identical with the second tight 34 structure of latch mechanism, is said by taking the first retaining mechanism 6 as an example
Bright, as shown in Fig. 2,5, the first retaining mechanism 6 includes the lower arch bridge 22 of arch bridge 21, first, the first screw group 20, first pressure on first
Tight block 23, the first tight locking button 24.It is designed with the identical semicircle orifice of a diameter on arch bridge 21 and the first lower arch bridge 22 on first, the
Arch bridge 21 and the first lower arch bridge 22 fasten latter two semicircle orifice and are combined into complete circular hole on one, and arch bridge 21 is equipped on first
Multiple through-holes 201, the through-hole from first arch bridge 21 and fastening wall that the first lower arch bridge 22 is interlocked to side opening simultaneously
Extend to the fastening wall；The fastening wall that arch bridge 21 is interlocked on first on first lower arch bridge 22 is corresponding with the through-hole
Position be provided inwardly with threaded hole 202.When installation, the semicircle orifice of arch bridge 21 on first and the first lower arch bridge 22 is buckled in wheel respectively
It the position of the pillar two sides of one of two vertical pillars of chair rack will by arch bridge 21 on first and the first lower 22 pairing of arch bridge
The screw of first screw group 20 is tightened in threaded hole 202 after the insertion of through-hole 201, can be installed to the first tight latch mechanism 6
In wheelchair rack.First lower arch bridge 22 is provided with mounting hole 203 in the upper surface of one end far from its semicircle orifice, and the mounting hole is
Through-hole；First tight locking button 24 includes handle and connecting rod, and wherein handle front end sets disposed in parallel there are two being spaced a predetermined distance
Lug 208 is designed with pin hole in same position on each lug, and connecting rod includes connecting rod 204 and mounting disc 205, mounting disc 205
Center is provided with mounting hole, and 204 top of connecting rod is inserted into the space two lugs 208 after mounting disc 205, connecting rod
204 tops are provided with mounting hole, and pin shaft 207 enters the mounting hole of connecting rod 204 after the pin hole insertion of a lug 208, is inserted into
In the pin hole of another lug 208, lug 208 can be around the cam part 206 and installation of the rotation of pin shaft 207 and 208 lower end of lug
Disk 205 contacts；204 lower part of connecting rod is equipped with external screw thread, is inserted into the mounting hole 203 on the first lower arch bridge 22 and from mounting hole
Expose 203 lower parts；First compact heap 23 includes pressing handle 209 and the vertical bar being connected with pressing handle 209, and vertical bar top opens up
There is threaded hole, cooperates with 204 lower part of connecting rod.4 two sides of connecting rod are respectively equipped with left end 3 and right end 5,3 He of left end
Strip hole is designed in right end 5, left end 3 and right end 5 can be integrally formed or weld with connecting rod 4 thereon, connecting rod
204 lower parts are inserted into left end 3 and cooperate with the threaded hole of vertical bar after the exposing of 3 lower part of left end, tighten handle 209
First tight latch mechanism 6 is fixed in left end 3.Due to being designed with strip hole in left end 3 and right end 5, by
When one retaining mechanism 6 is installed in wheelchair rack, it can be convenient for left and right adjusting installation site by upper arch bridge 21 and the first lower arch bridge
22 semicircle orifice is buckled in respectively on wheelchair rack pillar, to adapt to various sizes of wheelchair rack.When adjusting, it is rotated up first
Tight locking button 24 unclamps the cam part 206 on its lug 208 from 205 surface of mounting disc, at this time can be along in left end 6
Strip hole moves left and right the first tight latch mechanism 6, when position suitable, the first tight locking button 24 is rotated down, so that on lug 208
Cam part 206 is pressed on 205 surface of mounting disc, position of the first retaining mechanism of lockable 6 in left end 3.Second tight lock machine
Structure 34 is identical with 6 structure of the first retaining mechanism, including arch bridge 16 in the second lower arch bridge 14, the second screw group 15, second, the
The components such as two tight locking buttons 12, the second compact heap 13, and the connection type of second retaining mechanism 34 and wheelchair rack and the first lock
Tight mechanism 6 is identical as the connection type of wheelchair rack.
Hanging device 37 includes mounting body 300, bottom plate 307 and sliding part 309 as shown in fig. 4 a.Wherein mounting body 300 wraps
Shape size identical first mounting block 301a and the second mounting block 301b and the link block 302 being arranged between are included,
302 antetheca of link block is inwardly recessed to form slideway compared with the antetheca of the first mounting block 301a and the second mounting block 301b, and first
The mounting block 301b of mounting block 301a and second and link block 302 can be integrally formed.First mounting block 301a and the second mounting block
The top 301b is designed with hook 303, and the side wall that the first mounting block 301a and second mounts block 301b is equipped with installation threaded hole 304,
The bottom of first mounting block 301a and the second mounting block 301b are equipped with multiple threaded hole (not shown)s；Under in link block 302
Portion is equipped with accommodating chamber 305, and aperture 306 is equipped at the top of accommodating chamber, and from the roof of link block 302, Open Side Down opens up for aperture 306
And communicated with accommodating chamber 305, bayonet lock 9 is mounted in accommodating chamber 305 and the top of bayonet lock 9 is stretched out from aperture 306, under bayonet lock 9
Threaded hole 311 is offered on portion and the direction of 9 central axis of bayonet lock；Bottom plate 307 is equipped with multiple and the first mounting block 301a
The installation through-hole 308 matched with the bottom thread hole of the second mounting block 301b, position of the bottom plate 307 between installation through-hole 308
It installs there are two pin hole (not shown), a spring catch 10, the spring terminal setting of spring catch 10 is installed in each pin hole
In pin hole, give the shank of spring catch 10 upward elastic force；Sliding block 309 includes supporting plate and erects from supporting plate is vertically extending upwards
Straight wall, vertical wall are provided with pin hole 310 to boss is externally provided in vertical wall, pin hole 310 is through-hole, penetrates through boss and vertical wall, such as
Spring pin hole 313 there are two being opened shown in Fig. 4 b, on supporting plate.Hanging device 37 and the connection relationship of fast locking device 1 are as follows: first hangs
The hook 303 for meeting the mounting of block 301a and second block 301b is hung in two homalocephalus pin shafts of fast 1 second fastener 102 of locking device
On 2, sliding block 309 is mounted on bottom plate 307: 313 sets of the spring pin hole spring catch 313 in bottom plate 307 on 309 supporting plate of sliding block
On, bayonet lock 9 is mounted in the accommodating chamber 305 of mounting body 300, and the second fastener 102 is inserted into after passing through aperture 306 in 9 head of bayonet lock
In the blind hole 105 of lower wall；In slideway between the first mounting block 301a of boss insertion and the second mounting block of sliding block 309, pin
It is screwed into the threaded hole 311 of bayonet lock 9 after the pin hole 310 of 312 screwed one end insertion 309 vertical wall of sliding block, from bottom plate
307 installation through-hole 308 is screwed into the bottom thread hole of the mounting of the first mounting block 301a and second block 301b after being inserted into bolt.It tears open
When unloading, sliding block 309 can be pushed down on, is moved down after 309 compressed spring pin 313 of sliding block, bayonet lock 9 is driven to take off from blind hole 105
Out, hanging device 37 can be separated with fast locking device 1, when installation, first depresses sliding block 309 and be simultaneously hung in hook 303
On two homalocephalus pin shafts 2 of 1 second fastener 102 of fast locking device, sliding block 309, elastic force of the sliding block 309 in spring catch 313 are unclamped
Lower upward sliding is acted on, drives bayonet lock 9 to be inserted into blind hole 105, the company of hanging device 37 Yu fast locking device 1 can be conveniently accomplished
It connects.
As shown in Fig. 2, connection frame 19 is box like structure, inside is equipped with battery and control panel 18,19 top plate of connection frame peace
For dress there are two the L-type plate 40 being spaced a predetermined distance, the mode that the bottom plate of L-type plate 40 is bolted or welds is fixed on company
It connects on 19 top plate of frame, multiple mounting holes is respectively provided in the straight panel of L-type plate 40, mount block 301a with the first of hanging device 37 respectively
It is corresponding with the installation threaded hole 304 of the side wall of the second mounting block 301b, the first mounting block 301a and the second mounting block 301b insertion
Between two L-type plates 40, and the bottom surface of the first mounting block 301a and the second mounting block 301b are in contact with 19 top plate of connection frame,
It is threaded into hole 304 after the mounting hole of installation bolt insertion L-type plate 40, connection frame 19 is mutually connected with hanging device 37
It connects.19 bottom plate of connection frame is equipped with multiple mounting holes.
Shown in Fig. 6, damping device 17 includes shock bracket 39, and stay bolt group 25, groups of springs 27, subtracts rubber washer group 26
Shake sliding block group 29, top nut group 30, pipe clamp group 31, nut group 32.The generally substantially bracket of gate of shock bracket 39, including
Upper wall and the side wall 28 for extending downwardly setting by upper wall two sides respectively, 28 lower part of side wall are provided with strip-shaped hole, strip-shaped hole lower dimension
Less than the size on top, blocking step has been consequently formed；The upper wall of shock bracket is equipped with mounting hole, by bolted connection
It connect with the bottom plate of connection frame 19, thus damping device 17 and connection frame 19 can be interconnected.Long spiral shell in damping device 17
Bolt group 25, rubber washer group 26, groups of springs 27, top nut group 30, nut group 32 are respectively by 4 identical stay bolts, rubber
Washer, spring, nut are formed and are symmetrically mounted in two side walls 28；Damping sliding block group 29, top nut group 30, pipe clamp group 31
It is made of, and is symmetrically mounted in two side walls 28 the identical sliding block of two pieces, top nut, pipe clamp respectively.
The outer wall top of each side wall 28 is all provided with there are two mounting ear 38 arranged side by side, is designed with installation on each mounting ear 38
Hole, pipe clamp 31 are made of two identical halfbodies of pairing, and each halfbody includes that the installation of semi-circular plate and semi-circular plate two sides is put down
Plate is designed with mounting hole on each installation plate, forms pipe clamp hole after two semi-circular plate pairings.Damping sliding block group 29 includes two
Damping sliding block, each damping center are designed with aperture, and two damping sliding blocks are separately mounted to the strip-shaped hole of 28 lower part of side wall
In, and the size between the outer wall of damping sliding block is matched with strip-shaped hole upper dimension, and the ruler between the outer wall of damping sliding block
Very little to be greater than the distance between blocking step, the wheel shaft at 35 both ends of driving wheel is respectively inserted into the aperture of a damping sliding block, and
Exposing and is equipped with screw thread on the wheel shaft on the outside of aperture, two halfbodies of pipe clamp 31 are fastened on wheel shaft on the outside of damping sliding block,
27 one end of spring is placed on the installation plate of top halfbody, and the other end is placed on mounting ear 38 in the following, rubber washer 26 is placed on installation
Ear 38 is aligned above and with mounting hole, and stay bolt 25 sequentially passes through rubber washer 26, the mounting hole of mounting ear 38, spring 27, pipe
The mounting hole of the installation plate of two halfbodies of folder 31, nut 32 lock stay bolt in the bottom of the lower part halfbody of installation plate
25；Two top nuts 32 are tightened respectively from wheel shaft two sides, until the end wall of top nut 32 abuts to 31 position of pipe clamp, thus
Driving wheel 35 is connect with damping device 17.
As shown in fig. 7, of the invention is had helping for damping device by the first tight latch mechanism 6 and the second tight latch mechanism 34
Wheels is mounted on manual wheelchair 33.When invention traveling is on rugged road, or when starting climb and fall, drive
Driving wheel 35 highly changes vertically relative to manual wheelchair 33, and compression spring set 27 is compressed or stretched, damping sliding block group
29 slide in shock bracket 39, so that driving wheel 35 changes up and down relative to the position of manual wheelchair 33, damping device
17 play the role of damping, so that wheelchair operation is more steady comfortable.When power-assisted wheel of the invention when not in use, by glide
Block 309 may make that damping device is liftoff.It, only need to be by the first tight locking button 24 and the second tight locking button when dismantling power-assisted wheel of the invention
12 lift, and the strip hole of the first compact heap 23 and the rotation of the second compact heap 13 and two ends is in the same direction, can remove, when installation just
It is good opposite.
Claims (6)
1. a kind of power-assisted wheel with damping device, including connecting rod, fast locking device, the first retaining mechanism, the second retaining mechanism are hung
Connection device, connection frame, damping device and driving wheel, it is characterised in that: the first retaining mechanism and the second retaining mechanism are installed respectively
At the both ends of connecting rod, for being connected with wheelchair rack；Fast locking device is mounted in the middle part of connecting rod, is connected with the upper end of hanging device
It connects, the lower end of hanging device is connect with connection frame upper end, and connection frame lower end is connect with damping device, and damping device is mounted on driving
On wheel.
2. power-assisted wheel according to claim 1, it is characterised in that: fast locking device includes that the first fastener and second fasten
Part, is designed with the identical semicircle orifice of a diameter on first fastener and the second fastener, on the second fastener two sidewalls
It is respectively provided with a pin shaft, the first fastener is equipped with multiple through-holes, and the through-hole is from the first fastener and the second fastener phase
The fastening wall of fastening to side opening and extend to the fastening wall；In the button being interlocked with the first fastener on second fastener
Position corresponding with the through-hole of combining harmoniously is provided inwardly with threaded hole.
3. power-assisted wheel according to claim 2, it is characterised in that: the semicircle orifice of the first fastener and the second fastener difference
It is buckled in the position of connecting rod on both sides of the middle, the first fastener and the second fastener fasten, and bolt is tightened in spiral shell after through-hole insertion
In pit.
4. power-assisted wheel according to claim 2 or 3, it is characterised in that: the second fastener lower wall is inwardly provided with blind hole.
5. power-assisted wheel according to claim 1, it is characterised in that: connecting rod two sides are respectively equipped with left end and right end,
Strip hole is designed in the left end and right end, connecting rod lower part is inserted into the strip hole of end and exposes from end lower part
And cooperate with the threaded hole of the vertical bar of compact heap.
6. power-assisted wheel according to claim 1, it is characterised in that: connection frame is box like structure, inside be equipped with battery and
Control panel.
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 |
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| CN109394441A true CN109394441A (en) | 2019-03-01 |
| CN109394441B CN109394441B (en) | 2021-02-19 |
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| CN201811205429.9A Active CN109394441B (en) | 2018-10-17 | 2018-10-17 | Power-assisted wheel with damping device |
| CN202110175328.7A Active CN112972139B (en) | 2018-10-17 | 2018-10-17 | Wheel chair |
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Cited By (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 of wheelchair |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109394441B (en) | 2021-02-19 |
| 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 |