CN109662871A - A kind of the elderly rides instead of walk travelling aided bicycle - Google Patents
A kind of the elderly rides instead of walk travelling aided bicycle Download PDFInfo
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- CN109662871A CN109662871A CN201811584776.7A CN201811584776A CN109662871A CN 109662871 A CN109662871 A CN 109662871A CN 201811584776 A CN201811584776 A CN 201811584776A CN 109662871 A CN109662871 A CN 109662871A
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- 230000033228 biological regulation Effects 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 230000009467 reduction Effects 0.000 claims description 18
- 230000008094 contradictory effect Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 238000005119 centrifugation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 206010003671 Atrioventricular Block Diseases 0.000 description 2
- 208000010271 Heart Block Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/043—Wheeled walking aids for patients or disabled persons with a drive mechanism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5053—Control means thereof mechanically controlled
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Braking Arrangements (AREA)
Abstract
It rides instead of walk travelling aided bicycle, including car body the invention discloses a kind of the elderly；Two wheels, shaft is equipped between two wheels, which is rotatably arranged on the vehicle frame；Speed regulation device is matched with the wheel, is reduced to command speed or command speed or less more than the revolving speed for controlling wheel after command speed for the revolving speed in wheel；The speed regulation device includes the speed regulation seat being connected with the wheel, the friction speed-regulating component matched with the wheel, the transmission parts matched with the friction speed-regulating part and the centrifugal drive member matched with the wheel.Speed regulation device of the present invention can adaptive wheel revolving speed, be more than after specified speed automatically to the deceleration of wheel in the revolving speed of wheel, speed regulation is rapid in time；Provided with centrifugal drive member, effectively avoid the occurrence of speed for a moment it is too fast, for a moment emergency stop the case where, use feeling is be more good, and user does not feel as excessive velocity variations substantially.
Description
Technical field
The invention belongs to running equipment technical field, ride instead of walk travelling aided bicycle more particularly, to a kind of the elderly.
Background technique
Walk helper, can exactly allow support by instrument, make the legs and feet such as patient old man of legs and feet inconvenience not flexible very
It can take care of oneself, can be trotted out as normal person to the people for losing walking ability.Due to using the people of walk helper generally all
For the crowd of legs and feet inconvenience, and wheel would generally be set in order to facilitate movement, but when descending, the movement of walk helper
Speed is easy to become faster, and user is easy not catching up with the speed of walk helper and the case where wrestling occur.To solve the above-mentioned problems, in
State patent CN206979761U discloses a kind of " walk helper with brake function ", can be in walk help with wheel and brake
When device movement speed is too fast, walk helper is stopped by brake deceleration or brake.
But in above structure, the deceleration of walk helper is by manually controlling, it is difficult to it is adjusted to suitable degree, if that stops kicks the beam,
It then cannot achieve the effect slowed down to walk helper；If that stops is overweight, wheel is substantially at motionless state, and then wheel and ground
Abrasion between face is extremely serious, and wheel service life is short；And the case where being often easy to appear emergency stop of braking, influence use feeling
By.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provide one kind can adaptive vehicle wheel rotational speed, avoid vehicle wheel rotational speed mistake
Fast the elderly rides instead of walk travelling aided bicycle.
To achieve the goals above, the travelling aided bicycle the invention adopts the following technical scheme: a kind of the elderly rides instead of walk, including
Car body, including vehicle frame, two handles being formed on vehicle frame, two supports being connected with vehicle frame and the seat between two supports
Chair；
Two wheels, shaft is equipped between two wheels, which is rotatably arranged on the vehicle frame；
Speed regulation device is matched with the wheel, is more than turn of control wheel after command speed for the revolving speed in wheel
Prompt drop is down to below command speed or command speed；The speed regulation device includes the speed regulation seat being connected with the wheel and the vehicle
Take turns the friction speed-regulating component matched, the transmission parts matched with the friction speed-regulating part and the centrifugation matched with the wheel
Driving part.
In the present invention speed regulation device can adaptive wheel revolving speed, after the revolving speed of wheel is more than specified speed
(command speed here refers to the speed that Aged user can be kept up with), utilizes the friction between friction speed-regulating component and speed regulation seat
Cooperation realizes that the deceleration to wheel, speed regulation are rapid in time；Provided with centrifugal drive member, to will adapt under different wheel revolving speed
Centrifugal force, the mated condition between friction speed-regulating component and speed regulation seat is realized by the variation of centrifugal force, to guarantee speed
Excessive without departing from designated value, deceleration will not be swiftness operation, from, for a moment emergency stop too fast without speed for a moment
The case where, use feeling is be more good, and user does not feel as excessive velocity variations substantially.
Further, the friction speed-regulating component includes the rotating member being rotatably sheathed on outside the shaft and can be in this turn
The mobile friction member of part is relatively rotated in moving part rotation process, during the rotating member rotation, which can edge
Rotating member is moved radially outward；When the revolving speed of wheel exceeds command speed, centrifugation caused by the velocity of rotation of rotating member
Power will make friction member be displaced outwardly, and friction member can be in contact with speed regulation seat, and then apply on speed regulation seat and rub
Power is wiped, the revolving speed of speed regulation seat is reduced, so that the revolving speed of wheel is reduced, so that the speed of wheel is reduced to designated value；And work as wheel
Revolving speed be reduced to after designated value, centrifugal force caused by rotating member will be unable to driving friction member be displaced outwardly, thus vehicle
The speed of wheel will not be further continued for reducing, and guarantee that wheel is not in the case where brake is stopped；To protect when descending
Card wheel can be moved in the case where being equal to or less than specified speed, be not in that user can not be with upper body movement speed
The case where, and can guarantee that wheel will not be stopped and stop, guarantee that between wheel and ground be not in rigid friction, extends making for wheel
Use the service life.
Preferably, the centrifugal drive member include two positioning disks being fixedly arranged in the shaft, be set to two positioning disks it
Between two centrifugal-blocks, the elastic component for connecting two centrifugal-blocks and moving radially for realizing the centrifugal-block relative positioning disk
Slide assemblies；During the centrifugal-block is moved radially outward along positioning disk under the action of the centrifugal force, the centrifugal-block with
The transmission parts realize rotation stop cooperation by spline structure；Under this kind of structure, when the speed of wheel is more than designated value, centrifugation
Centrifugal force suffered by block increases, thus by the elastic force of the weight and elastic component that overcome centrifugal-block, and then centrifugal-block can from
Be displaced outwardly under the action of mental and physical efforts along positioning disk, so two centrifugal-blocks before transmission parts at a distance from contracting it is close, guarantee rotation stop knot
Structure can be realized rotation stop between the two, guarantees transmission parts driving friction speed-regulating component rotation, slows down to wheel；Pass through
The setting of two groups of radially movable components of centrifugal-block and friction member, so that the deceleration of wheel is in two groups of centrifugal actions
Components cooperation is lower to be realized, more accurate to the speed regulation of wheel, and needing the components of two groups of centrifugal actions is that centrifugation is made
With lower movement, friction member can be realized to the deceleration-operation of wheel；Avoid wherein one group of elastic component long-time service elastic force drop
When low rear wheel is without departing from command speed, wheel is just slowed down by friction member effect, wheel even finally occurs and is only capable of
Enough the case where slowly rotating or being stopped by brake.
Further, the slide assemblies are set as two groups, respectively correspond two centrifugal-block settings；Every group of component include
The guide and limit slot for being respectively arranged on the sliding block at the centrifugal-block both ends and being matched on the positioning disk with the sliding block；It is described
Sliding block protrudes from the left and right side setting of the centrifugal-block respectively, is respectively equipped with above-mentioned guide and limit slot on two positioning disks, should
Guide and limit slot is closed notch；By the setting of two groups of slide assemblies, that realizes centrifugal-block stablizes movement, in moving process
In be not susceptible to stir, stuck situation, guarantee that the good rotation stop between centrifugal-block and transmission parts, failure rate are low.
Preferably, the transmission parts include that the gear ring enclosed outside the eccentric unit and the gear ring are sequentially connected
First transmission gear, with the second transmission gear of first transmission gear coaxial arrangement, the change that is connected with second transmission gear
To gear and the sliding tooth being sequentially connected with the change gear；The sliding tooth is set on the rotating member；Pass through gear ring, gear
Between engagement realize transmission, high degree reduces in transmission process the case where revolving speed slows down, and ensure that turning for rotating member
Speed is substantially consistent with the revolving speed of wheel, so that rotating member drives with enough revolving speeds after vehicle wheel rotational speed is beyond designated value
Friction member is displaced outwardly, and guarantees that friction member quick acting carries out reduction of speed operation to wheel, reaction speed is fast, vehicle wheel rotational speed tune
Control value floating is small, and control operation precision is high；The setting of change gear, so that the rotation direction phase between rotating member and wheel
Instead, and then friction member with speed regulation seat when contacting, and can realize the good deceleration to speed regulation seat, guarantees to carry out wheel fast
Velocity modulation speed.
Further, the spline structure includes at least rotation stop part on the centrifugal-block and is set to the gear ring
The upper surface of an at least contradictory piece for inner wall, the rotation stop part and contradictory piece is globoidal structure setting；The contradictory piece and rotation stop
The equal structure of part is disposed as the structure similar to ratchet, thus when centrifugal-block is displaced outwardly under the action of the centrifugal force, rotation stop
The perpendicular of side will be contradicted mutually between part and contradictory piece, and then rotation stop will be realized between rotation stop part and contradictory piece,
So that the rotation of centrifugal-block drives transmission ring gear against rotation；And due to the setting of cambered surface, so that centrifugal-block is displaced outwardly apart from bigger
In the case where, competing area increases between rotation stop part and contradictory piece, so that the rotation stop between rotation stop part and contradictory piece is matched
Close it is more stable, thus vehicle wheel rotational speed be more than designated value it is more in the case where, will not occur between rotation stop part and contradictory piece beat
Sliding situation, so that the speed rapidly to wheel is carried out reduction of speed processing.
Preferably, the friction member is set in the speed regulation seat；The friction member includes being fixedly arranged on the rotating member
Two fixing seats, the Stent assembly between two fixing seats and multiple elastic reduction on Stent assembly, described turn
During moving part rotates, the outer diameter of the Stent assembly can expand so that elastic reduction is contacted with the inner wall of the speed regulation seat；
Elastic reduction has certain elastic floating ability, and then can be realized effective deceleration to speed regulation seat, while by will not phase
To serious wear as hardness cooperation, long service life, maintenance rate is low.
Further, the elastic reduction includes matrix made of plastics or metal and the rubber set on the matrix upper surface
Glue-line, the Stent assembly are equipped with mounting groove, and the matrix is fixedly mounted in the mounting groove by spring；Rubber layer can
Increase the frictional force between elastic reduction and speed regulation seat, and since matrix lower part is in mounting groove, only upper part
It is pierced by Stent assembly upper surface, and then slight position movement can occur during contacting with speed regulation seat for rubber layer,
But not excessive degree moves down, and keeps good friction eceleration to act on speed regulation seat.
In conclusion the invention has the following advantages that speed regulation device can adaptive wheel revolving speed, in turning for wheel
Speed is more than specified speed later automatically to the deceleration of wheel, and speed regulation is rapid in time；Provided with centrifugal drive member, effectively avoid
Occur for a moment speed it is too fast, for a moment emergency stop the case where, use feeling is be more good, and user does not feel as excessive speed substantially
Variation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is front view of the invention.
Fig. 3 is the structural schematic diagram of B-B in Fig. 2.
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Fig. 5 is the structural schematic diagram of speed regulation device in the present invention.
Fig. 6 is the decomposition diagram of speed regulation device in the present invention.
Fig. 7 is the enlarged drawing in Fig. 6 at A.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As shown in figs. 1-7, a kind of the elderly rides instead of walk travelling aided bicycle, including car body, two wheels 2 and speed regulation device, institute
Car body is stated to include vehicle frame 11, two handles 15 being formed directly on vehicle frame, two supports 12 being connected with vehicle frame and be set to two supports
Between seat 13；Two supports are inclined to be connected on vehicle frame, and cross-shaped between the heel brace 14 of support and vehicle frame, structure is steady
Fixed, support effect is good；Shaft is equipped between two wheel, two 14 lower parts of heel brace of the vehicle frame are all provided with there are two wheel
2, the shaft 21 is rotatably arranged on the vehicle frame 11；The speed regulation device is set as two groups, corresponds respectively to
Wheel setting on two heel braces 14；Specifically, the speed regulation device is matched with the wheel 2, for turning in wheel 2
Speed is reduced to command speed or command speed or less more than the revolving speed for controlling wheel 2 after command speed；Wherein command speed is by reality
Border is specified, and such as conventional is 2-3km/h, preferably 2.5km/h.
The speed regulation device includes speed regulation seat 31, friction speed-regulating component, transmission parts and centrifugal drive member, described
Speed regulation seat 31 is connected in the shaft 21, is rotated synchronously with the shaft；The friction speed-regulating component is matched with the wheel, described
Transmission parts are matched with the friction speed-regulating part, and the centrifugal drive member is matched with the wheel 2；Specifically, it is described from
Heart driving part includes two positioning disks 41, two centrifugal-blocks 42, elastic component 43 and slide assemblies, and two positioning disk 41 is directly and institute
Shaft integrated molding to be stated to be made, two centrifugal-block 42 is set between two positioning disks, and two centrifugal-blocks are connected by the elastic component,
The elastic component is the spring purchased on the market, and spring is set as two, and two centrifugal-blocks are made of metal, and is arc knot
Structure has spacing between the end of two centrifugal-blocks, and the elastic component is placed in the spacing, and one end of elastic component and one of them
Centrifugal-block is connected, and the other end and another centrifugal-block are connected；The slide assemblies are for realizing the centrifugal-block relative positioning disk
41 move radially, during the centrifugal-block 42 is moved radially outward along positioning disk 41 under the action of the centrifugal force, it is described from
Heart block 42 and the transmission parts pass through spline structure realization rotation stop cooperation；Under this kind of structure, when the speed of wheel is more than specified
When value, centrifugal force suffered by centrifugal-block increases, thus by the elastic force of the weight and elastic component that overcome centrifugal-block, and then centrifugal-block
Can be displaced outwardly under the influence of centrifugal force along positioning disk, so two centrifugal-blocks before transmission parts at a distance from contracting it is close, protect
Card spline structure can be realized rotation stop between the two, guarantees transmission parts driving friction speed-regulating component rotation, carries out to wheel
Slow down；Above-mentioned speed regulation seat, shaft, positioning disk are that plastics are made.
Specifically, the slide assemblies are set as two groups, respectively correspond two centrifugal-blocks 42 and be arranged；And every group of component wraps
Sliding block 43 and guide and limit slot 44 are included, the sliding block 43 is respectively arranged on the centrifugal-block both ends, and the left and right ends of sliding block 43 point
The left and right side setting of the centrifugal-block 42 is not protruded from, and sliding block can specifically be integrally machined molding with centrifugal-block；The guiding limit
Position slot 44 is respectively arranged on two positioning disks 41, and the position of guide and limit slot 44 corresponds to the position setting of sliding block, guide and limit
Slot 44 is the closed notch being arranged radially along positioning disk, and the sliding block can move back and forth in the guide and limit slot 44；
The mobile stabilization of centrifugal-block is not susceptible to stir in moving process, stuck situation, guarantees between centrifugal-block and transmission parts
Good rotation stop, failure rate is low.
The friction speed-regulating component include tubular made of plastics rotating member 32 and can be in the rotating member rotation process
The mobile friction member 33 of part is relatively rotated, the rotating member 32 is rotatably sheathed on outside the shaft, and one end is rotatable
It is arranged on the shell；Preferably, being equipped with bearing part 22 between the rotating member 32 and shaft 21, which is city
The plain bearing being commercially available on face, structure repeat no more；During the rotating member 32 rotates, which can edge
Rotating member is moved radially outward；When the revolving speed of wheel exceeds command speed, centrifugation caused by the velocity of rotation of rotating member
Power will make friction member be displaced outwardly, and friction member can be in contact with speed regulation seat, and then apply on speed regulation seat and rub
Power is wiped, the revolving speed of speed regulation seat is reduced, so that the revolving speed of wheel is reduced, so that the speed of wheel is reduced to designated value；And work as wheel
Revolving speed be reduced to after designated value, centrifugal force caused by rotating member will be unable to driving friction member be displaced outwardly, thus vehicle
The speed of wheel will not be further continued for reducing, and guarantee that wheel is not in the case where brake is stopped；To protect when descending
Card wheel can be moved in the case where being equal to or less than specified speed, be not in that user can not be with upper body movement speed
The case where, and can guarantee that wheel will not be stopped and stop, guarantee that between wheel and ground be not in rigid friction, extends making for wheel
Use the service life；
And pass through the setting of two groups of radially movable components of centrifugal-block and friction member, so that the deceleration of wheel is at two groups
The components cooperation of centrifugal action is lower to be realized, more accurate to the speed regulation of wheel, needs the components of two groups of centrifugal actions
It is to be moved under centrifugal action, friction member can be realized to the deceleration-operation of wheel；Avoid wherein one group of elastic component it is long-term
When reducing rear wheel without departing from command speed using elastic force, wheel is just slowed down by friction member effect, even finally goes out
The case where existing wheel only can slowly rotate or be stopped by brake.
Specifically, the transmission parts include with the heel brace be connected shell 56, gear ring 51, the first transmission gear 52,
Second transmission gear 53, change gear 54 and sliding tooth 55, wherein gear ring 51, the first transmission gear 52, the second transmission gear 53,
Change gear 54 and sliding tooth 55 are set in shell 56；Above-mentioned shell 56, gear ring 51, the transmission of the first transmission gear 52, second
Gear 53, change gear 54 are that plastics are made, lighter in weight, the first transmission gear 52, the second transmission gear 53, change gear
54 be horizontal gear；The gear ring 51 encloses outside the eccentric unit, and one end of gear ring is rotatably embedded in the foot
The lower part of support 14 is realized by the heel brace 14 and is positioned to the position of gear ring；First transmission gear 52, is meshed with gear ring,
First transmission gear, 52 central part, which protrudes outward, is formed with axis 521, which is rotatably arranged in the shell and heel brace
On, realize the positioning to the first transmission gear 52；Second transmission gear 53 and the first transmission gear are coaxially disposed, specially
Second transmission gear 53 is connected on above-mentioned axis；54 side of change gear is engaged with second transmission gear 53,
The other side is meshed with the sliding tooth 55；54 central part of change gear equally has axis, which is rotatably arranged in
On shell, the positioning to change gear is realized；The sliding tooth 55 along the outer surface of the rotating member one enclose be arranged, specially with
Rotating member integrated injection molding；Transmission is realized by the engagement between gear ring, gear, and high degree reduces in transmission process
The case where revolving speed slows down, ensure that the revolving speed of rotating member is substantially consistent with the revolving speed of wheel, thus in vehicle wheel rotational speed beyond specified
After value, rotating member have enough revolving speeds driving friction member be displaced outwardly, guarantee friction member quick acting to wheel into
The operation of row reduction of speed, reaction speed is fast, and the floating of vehicle wheel rotational speed control value is small, and control operation precision is high；The setting of change gear, makes
The rotation direction between rotating member and wheel is obtained on the contrary, friction member can be realized and be exchanged when contacting with speed regulation seat in turn
The good deceleration of fast seat, guarantee quickly adjust the speed wheel.
The spline structure includes the rotation stop part 421 on the centrifugal-block 42 and supporting set on 51 inner wall of gear ring
Contact element 511, wherein a rotation stop part 421 is respectively equipped on the outer surface of two centrifugal-blocks, the rotation stop part 42 and centrifugal-block are one
It is body formed to be made；It is symmetrically set on the gear ring inner surface there are two rotation stop part 421, which is also integrated with gear ring
Molding is made；Preferably, the upper surface of the rotation stop part 421 and contradictory piece 511 is globoidal structure setting, specially described to support
Contact element and the equal structure of rotation stop part are disposed as the structure similar to ratchet, when centrifugal-block is displaced outwardly under the action of the centrifugal force
When, the perpendicular of side will be contradicted mutually between rotation stop part and contradictory piece, and then will be real between rotation stop part and contradictory piece
Existing rotation stop, so that the rotation of centrifugal-block drives transmission ring gear against rotation；And due to the setting of cambered surface so that centrifugal-block be displaced outwardly away from
In the case where bigger, competing area increases between rotation stop part and contradictory piece, thus between rotation stop part and contradictory piece
Rotation stop cooperation is more stable, thus in the case where vehicle wheel rotational speed is more than that designated value is more, it will not between rotation stop part and contradictory piece
There is a situation where skidding, so that the speed rapidly to wheel is carried out reduction of speed processing.
Further, the friction member 33 is set in the speed regulation seat 31, which includes two fixing seats
331, Stent assembly 34 and multiple elastic reduction 332, two fixing seat 331 is collar plate shape structure, and two fixing seats 331 are
It is connected on rotating member, it preferably can be with rotating member by being integrally formed；The Stent assembly 34 is set between two fixing seats,
The multiple elasticity reduction 332 is set on Stent assembly, during the rotating member rotation, the outer diameter of the Stent assembly 34
It can expand so that elastic reduction 332 is contacted with the inner wall of the speed regulation seat 31；Elastic reduction has certain elastic floating
Ability, and then can be realized effective deceleration to speed regulation seat, at the same from will not relatively with hardness as serious wear, use the longevity
Life length, maintenance rate are low；The structure of the Stent assembly 34 is identical as the structure of above-mentioned eccentric unit, the structure of fixing seat with it is above-mentioned fixed
The structure of position seat is identical, and so it will not be repeated.
Specifically, the elasticity reduction 331 is including matrix 3311 made of plastics or metal and is set to table on the matrix
The rubber layer 3312 in face, it is along the circumferential direction upper on the Stent assembly outer surface evenly spaced to be equipped with multiple mounting grooves 35, peace
The shape of tankage 35 matches with matrix, and the matrix is placed in the mounting groove 35；The lower part of matrix is located in mounting groove, and logical
It crosses spring 36 to be connected with mounting groove, the upper part of matrix is pierced by Stent assembly upper surface, and the rubber layer 3312 passes through glue
Water is bonded in matrix and is pierced by the end face of Stent assembly upper surface, is increased between elastic reduction and speed regulation seat by rubber layer
Frictional force improves slowing effect；And since matrix lower part is in mounting groove, only upper part is pierced by Stent assembly
Surface, it is mobile that slight position can occur during contacting with speed regulation seat for rubber layer, but not excessive degree is downward
It is mobile, keep good friction eceleration to act on speed regulation seat.
Working principle is as follows: during the sections of road such as descending, the revolving speed of wheel exceeds after command speed wheel, from
Heart block will be overcome spring tension under the influence of centrifugal force and be thrown away outward, and two centrifugal-blocks mutually open, and two centrifugal-blocks are constituted
Outer diameter increase so that the perpendicular side of rotation stop part and contradictory piece mutually contradicts, drive ring gear against rotation, gear ring drives the
One, the second transmission gear rotates, and then drives change gear rotation, and change gear driving rotating member is rotated backward with speed regulation seat,
Rotating member revolving speed is more than after command speed, and Stent assembly overcomes the pulling force of spring to be flared out, and the outer diameter of Stent assembly becomes larger,
The contacted inner surfaces of friction component and speed regulation seat slow down to speed regulation seat by frictional force, so that the revolving speed of wheel drops
It is low.
Claims (8)
- The travelling aided bicycle 1. a kind of the elderly rides instead of walk, it is characterised in that: includingCar body, including vehicle frame (11), two handles (15) being formed on vehicle frame, two supports (12) being connected with vehicle frame and be set to two Seat (13) between support；Two wheels (2), are equipped with shaft (21) between two wheels, which is rotatably arranged on the vehicle frame (11)；Speed regulation device is matched with the wheel (2), for controlling vehicle after the revolving speed of wheel (2) is more than command speed The revolving speed of wheel (2) is reduced to command speed or command speed or less；The speed regulation device includes the tune being connected with the wheel (2) Fast seat (31), the friction speed-regulating component matched with the wheel, the transmission parts matched with the friction speed-regulating part and with it is described The centrifugal drive member that wheel (2) matches.
- The travelling aided bicycle 2. the elderly according to claim 1 rides instead of walk, it is characterised in that: the friction speed-regulating component includes that can turn The dynamic rotating member (32) being sheathed on outside the shaft and the friction portion that part movement can be relatively rotated in the rotating member rotation process Part (33), during rotating member (32) rotation, which being moved radially outward along rotating member.
- The travelling aided bicycle 3. the elderly according to claim 2 rides instead of walk, it is characterised in that: the centrifugal drive member includes fixed In two positioning disks (41) in the shaft, two centrifugal-blocks (42) between two positioning disks, for connecting two centrifugal-blocks Elastic component (43) and slide assemblies moved radially for realizing the centrifugal-block relative positioning disk (41)；When the centrifugal-block (42) during being moved radially outward under the action of the centrifugal force along positioning disk (41), the centrifugal-block (42) and the transmission parts Rotation stop cooperation is realized by spline structure.
- The travelling aided bicycle 4. the elderly according to claim 3 rides instead of walk, it is characterised in that: the slide assemblies are set as two groups, Respectively correspond two centrifugal-block (42) settings；Every group of component includes being respectively arranged on the sliding block (43) at the centrifugal-block both ends and setting In the guide and limit slot (44) matched on the positioning disk with the sliding block；The sliding block (43) protrudes from the centrifugal-block respectively (42) left and right side is arranged, and is respectively equipped with above-mentioned guide and limit slot (44), the guide and limit slot on two positioning disks (41) It (44) is closed notch.
- The travelling aided bicycle 5. the elderly according to claim 3 rides instead of walk, it is characterised in that: the transmission parts include enclosing set on institute State gear ring (51) outside eccentric unit, with the first transmission gear (52) of gear ring transmission connection, same with first transmission gear The second transmission gear (53) of axis setting, the change gear (54) that is connected with second transmission gear and with change gear transmission The sliding tooth (55) of connection；The sliding tooth (55) is set on the rotating member (32).
- The travelling aided bicycle 6. the elderly according to claim 5 rides instead of walk, it is characterised in that: the spline structure includes set on described An at least rotation stop part (421) on centrifugal-block (42) and at least contradictory piece (511) set on the gear ring (51) inner wall, should be only The upper surface for turning part (421) and contradictory piece (511) is globoidal structure setting.
- The travelling aided bicycle 7. the elderly according to claim 2 rides instead of walk, it is characterised in that: the friction member (33) is set to described In speed regulation seat (31)；The friction member (33) includes two fixing seats (331) being fixedly arranged on the rotating member, is set to two fixing seats Between Stent assembly (34) and multiple elastic reduction (332) on Stent assembly, the process of the rotating member rotation In, the outer diameter of the Stent assembly (34) can expand so that elastic reduction (332) contacts with the inner wall of the speed regulation seat (31).
- The travelling aided bicycle 8. the elderly according to claim 7 rides instead of walk, it is characterised in that: it is described elasticity reduction (331) include Matrix made of plastics or metal (3311) and rubber layer (3312) set on the matrix upper surface, the Stent assembly are equipped with Mounting groove (35), the matrix are fixedly mounted in the mounting groove by spring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584776.7A CN109662871B (en) | 2018-12-24 | 2018-12-24 | Walking-assistant vehicle for old people |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584776.7A CN109662871B (en) | 2018-12-24 | 2018-12-24 | Walking-assistant vehicle for old people |
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| Publication Number | Publication Date |
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| CN109662871A true CN109662871A (en) | 2019-04-23 |
| CN109662871B CN109662871B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811584776.7A Active CN109662871B (en) | 2018-12-24 | 2018-12-24 | Walking-assistant vehicle for old people |
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| CN (1) | CN109662871B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920321A (en) * | 2019-12-02 | 2020-03-27 | 苏州市升乐迪机械科技有限公司 | Roller assembly and roller mechanism |
| CN116419735A (en) * | 2020-10-29 | 2023-07-11 | 克劳迪奥·罗辛 | Wheeled Walking Frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09135872A (en) * | 1995-11-16 | 1997-05-27 | Etsuzo Fukuda | Automatic speed control device for walk aid vehicle |
| US20080142315A1 (en) * | 2006-12-15 | 2008-06-19 | Duk Young Kim | Apparatus for automatic brake of walking support machine |
| CN103814232A (en) * | 2011-09-27 | 2014-05-21 | 纳博特斯克有限公司 | Speed restraint device for vehicle and vehicle with speed restraint device |
| CN205019365U (en) * | 2015-10-08 | 2016-02-10 | 姬永琴 | Novel nursing of portable orthopedics helps capable ware |
| CN206183819U (en) * | 2016-08-23 | 2017-05-24 | 苏宪立 | High altitude safety is fleed and is slowly fallen line wheel device |
| CN108046151A (en) * | 2017-12-21 | 2018-05-18 | 泰华伟业科技有限责任公司 | Automatic speed-limiting variable damping device |
-
2018
- 2018-12-24 CN CN201811584776.7A patent/CN109662871B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09135872A (en) * | 1995-11-16 | 1997-05-27 | Etsuzo Fukuda | Automatic speed control device for walk aid vehicle |
| US20080142315A1 (en) * | 2006-12-15 | 2008-06-19 | Duk Young Kim | Apparatus for automatic brake of walking support machine |
| CN103814232A (en) * | 2011-09-27 | 2014-05-21 | 纳博特斯克有限公司 | Speed restraint device for vehicle and vehicle with speed restraint device |
| CN205019365U (en) * | 2015-10-08 | 2016-02-10 | 姬永琴 | Novel nursing of portable orthopedics helps capable ware |
| CN206183819U (en) * | 2016-08-23 | 2017-05-24 | 苏宪立 | High altitude safety is fleed and is slowly fallen line wheel device |
| CN108046151A (en) * | 2017-12-21 | 2018-05-18 | 泰华伟业科技有限责任公司 | Automatic speed-limiting variable damping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920321A (en) * | 2019-12-02 | 2020-03-27 | 苏州市升乐迪机械科技有限公司 | Roller assembly and roller mechanism |
| CN116419735A (en) * | 2020-10-29 | 2023-07-11 | 克劳迪奥·罗辛 | Wheeled Walking Frame |
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| Publication number | Publication date |
|---|---|
| CN109662871B (en) | 2021-03-19 |
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