CN106236429B - A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal - Google Patents
A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal Download PDFInfo
- Publication number
- CN106236429B CN106236429B CN201610780748.7A CN201610780748A CN106236429B CN 106236429 B CN106236429 B CN 106236429B CN 201610780748 A CN201610780748 A CN 201610780748A CN 106236429 B CN106236429 B CN 106236429B
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- China
- Prior art keywords
- pedal
- taper tooth
- connection seat
- foot pedal
- tooth
- Prior art date
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Classifications
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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
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
-
- 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
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
-
- 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
- A61G5/1005—Wheelchairs having brakes
- A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user
-
- 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
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
-
- 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
Abstract
The present invention discloses a kind of foot pedal of adjustable angle and has the wheelchair of the foot pedal, the foot pedal, including：Connection seat, lower end have taper tooth；Straight-bar, lower end are connect with the connection seat, and upper end is fixed on external device (ED)；Pedal is adjacent to and is flexibly connected with the lower end of the connection seat；The pedal has taper tooth, the taper tooth engagement of the taper tooth and the connection seat with the side that the connection seat is adjacent to；The wheelchair has the foot pedal.In this way, pedal can be fixed on connection seat by engaging between taper tooth and taper tooth, teeth directional degree of freedom can also be controlled by adjusting the position engaged between taper tooth and taper tooth simultaneously, so as to adjust the angle of inclination of pedal, and show the result of two degree of freedom displacements.
Description
Technical field
The present invention relates to foot pedal technical fields, and in particular to the foot pedal of a kind of adjustable angle and with the foot pedal
Wheelchair.
Background technology
Current market sales of wheelchair, foot pedal is mostly height up and down formula structure, and the angle of foot pedal is not
Adjustable, this Wheel chair pedal plate angle is set by producer, but there is no consider everyone for set angle
Body difference.In this case, user when in use, needs to adjust posture to adapt to foot pedal, the adjustment of this posture
So that be susceptible to local fatigue excessive for the foot muscles of user, long-time service can cause adverse consequences.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
Invention content
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of foot of adjustable angle first
Pedal, including：
Connection seat, lower end have taper tooth；
Straight-bar, lower end are connect with the connection seat, and upper end is fixed on external device (ED)；
Pedal is adjacent to and is flexibly connected with the lower end of the connection seat；
The pedal has taper tooth, the taper tooth of the taper tooth and the connection seat with the side that the connection seat is adjacent to
Engagement.
Preferably, the taper tooth of the connection seat is invaginating taper tooth, the taper tooth on the pedal is bored for raised type
Spend tooth.
Preferably, the taper tooth of the connection seat is raised type taper tooth, the taper tooth on the pedal is bored for invaginating
Spend tooth.
Preferably, the pedal is connect with the connection seat by screw rod with nut, by the taper tooth stepped on and described
The taper tooth engagement of connection seat.
Preferably, the axial direction of the screw rod and the taper tooth of the taper tooth of pedal and the connection seat are disengaged from state
Direction is identical.
Preferably, the lower end of the straight-bar is connect with the connection seat axis pin, the lower end end of the straight-bar is resisted against institute
State the side of connection seat.
Preferably, the upper surface of the pedal is provided with anti-skid bulge.
Preferably, the foot pedal further includes：
Pressure sensor is arranged on the upper surface of the pedal；
Controller is arranged on inside the pedal, is connect with the pressure sensor；
Display screen is arranged on the pedal side, is connect with the controller；
The pressure conversion that the pressure sensor is subject to is into pressure signal and is transferred to the controller；The control
Device handles the pressure signal, calculates the angular deviation degree of the pedal, and result of calculation is passed through the display screen
It shows.
Preferably, the calculation formula of the angular deviation degree is：
Wherein, MiIt is determined by following formula：
In formula, P be angular deviation degree, i be pressure sensor serial number, n be pressure sensor sum, xiIt is i-th
The pressure signal of pressure sensor,For the average value of pressure signal, m is tolerates deviation ratio, MiFor i-th pressure sensor
The decision content of pressure signal.
Secondly a kind of wheelchair with foot pedal described above is provided, straight-bar connector is additionally provided on the wheelchair, it is described
Straight-bar connector is fixedly connected with the straight-bar.
Compared with the prior art the beneficial effects of the present invention are：A kind of foot pedal of adjustable angle is provided, in this way, can be with
Pedal is fixed on connection seat by engaging between taper tooth and taper tooth, while can also be by adjusting taper tooth and cone
The position control teeth directional degree of freedom engaged between degree tooth, so as to adjust the angle of inclination of pedal, and shows two degree of freedom displacements
Result；Using engaging for taper tooth and taper tooth, multiple common stress of taper tooth, therefore larger external force can be born
Amount；Pedal and connection seat are fixed to each other, the combination of the two is more firm；It only needs to unclamp nut, you can with to taper tooth
The position of engagement is adjusted, so as to adjust the angle of pedal.It is simple in structure, it is easy to adjust；Improve what is judged speed and judge
Accuracy so that finally determining pedal angle is more suitable for user.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution in various embodiments of the present invention
The attached drawing used is briefly described.
Fig. 1 is the structure chart one of foot pedal of the present invention；
Fig. 2 is the structure chart two of foot pedal of the present invention；
Fig. 3 is the structure chart of pedal of the present invention；
Fig. 4 is the front view of wheelchair of the present invention；
Fig. 5 is the side view of wheelchair of the present invention；
Fig. 6 is the structure diagram of the wheel installing mechanism of quick-speed plug formula of the present invention；
The structure diagram of Fig. 7 regulating mechanisms of distance between wheel of the present invention and vehicle frame；
Fig. 8 is the structure diagram of position adjusting mechanism of the present invention；
Fig. 9 is the structure diagram of the position adjusting mechanism of brake gear of the present invention；
Figure 10 is the explosive view of brake gear of the present invention；
Figure 11 is the structure diagram of skirt guard position adjusting mechanism of the present invention；
Figure 12 is the structure diagram of backrest angle regulating mechanism of the present invention；
Figure 13 is the structure diagram of back bracket of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment 1
As shown in Figure 1 with Figure 2, the foot pedal of the adjustable angle includes：
Connection seat 92, lower end have taper tooth；
Straight-bar 93, lower end are connect with the connection seat 92, and upper end is fixed on external device (ED)；
Pedal 91 is adjacent to and is flexibly connected with the lower end of the connection seat 92；
The pedal 91 has taper tooth, the taper tooth and the connection seat 92 with the side that the connection seat 92 is adjacent to
Taper tooth engagement.
In this way, pedal 91 can be fixed on connection seat 92 by engaging between taper tooth and taper tooth, while
Teeth directional degree of freedom can be controlled by adjusting the position engaged between taper tooth and taper tooth, so as to adjust the inclination angle of pedal 91
Degree, and show the result of two degree of freedom displacements.
The quantity of the taper tooth of the connection seat 92 and the pedal 91 is multiple, in this way, using taper tooth and taper
The engagement of tooth, multiple common stress of taper tooth, therefore larger external strength can be born.
Embodiment 2
The foot pedal of adjustable angle as described above, the present embodiment are different from part and are, the connection seat 92
Taper tooth is invaginating taper tooth, and the taper tooth on the pedal 91 is raised type taper tooth, the cone of connection seat 92 described in this way
Taper tooth on degree tooth and the pedal 91 is mutually locked, and pedal 91 and connection seat 92 is fixed to each other, the combination of the two is more
It is firm.
Embodiment 3
The foot pedal of adjustable angle as described above, the present embodiment are different from part and are, the connection seat 92
Taper tooth is raised type taper tooth, and the taper tooth on the pedal 91 is invaginating taper tooth, the cone of connection seat 92 described in this way
Taper tooth on degree tooth and the pedal 91 is mutually locked, and pedal 91 and connection seat 92 is fixed to each other, the combination of the two is more
It is firm.
Embodiment 4
The foot pedal of adjustable angle as described above, the present embodiment is different from part and is, shown in Fig. 1 combinations Fig. 2,
The pedal 91 is connect with the connection seat 92 by screw rod 94 with nut 95, by the taper tooth of the pedal 91 and the connection
The taper tooth engagement of seat 92.When needing that the angle of pedal 91 is adjusted, first unclamp nut 95, so as to by pedal 91 along screw rod
94 move axially outward, makes the taper tooth of pedal 91 be disengaged from state with the taper tooth of connection seat 92；Then by pedal 91
It is rotated along the radial direction of screw rod 94, to designated position；Finally being moved axially inward along screw rod 94 by pedal 91, makes pedal 91
Taper tooth engaged again with the taper tooth of connection seat 92, and nut 95 is tightened.
The axial direction of the screw rod 94 and the taper tooth of the taper tooth of pedal 91 and the connection seat 92 are disengaged from state
Direction is identical.
In this way, it is only necessary to unclamp nut 95, you can be adjusted with the position of engagement to taper tooth, so as to adjust pedal 91
Angle.It is simple in structure, it is easy to adjust.
Embodiment 5
The foot pedal of adjustable angle as described above, the present embodiment is different from part and is, under the straight-bar 93
End is connect with 92 axis pin of connection seat；In this way, the connection seat 92 can be rotated around the axis pin, so as to without using pedal
Pedal 91 is folded up when 91 and is stored.
The lower end end of the straight-bar 93 is resisted against the side of the connection seat 92, in this way can be when in use by pedal 91
Decentralization, is defined the lowered position of pedal 91.
Embodiment 6
The foot pedal of adjustable angle as described above, the present embodiment be different from part be, the pedal 91 it is upper
End face is provided with anti-skid bulge, for anti-skidding.
The pedal 91 is equipped with hollow out, for mitigating 91 weight of pedal, saves raw material.
Embodiment 7
The foot pedal of adjustable angle as described above, the present embodiment is different from part and is, as shown in figure 3, described
Foot pedal further includes：
Pressure sensor 96 is arranged on the upper surface of the pedal 91；
Controller (is not drawn into) in figure, is arranged on inside the pedal 91, is connect with the pressure sensor 96；
Display screen 97 is arranged on 91 side of pedal, is connect with the controller.
In this way, after foot is placed on pedal 91 by user, pressure sensor 96 detects the pressure that it is subject to and turns
It changes pressure signal into and is transferred to controller；Controller handles pressure signal, calculates the angular deviation degree of pedal 91, and will
Result of calculation is shown by display screen 97.
In this way, after foot is placed on pedal 91 by user, you can judge to place posture by observing display screen 97
It is whether accurate, so as to quickly be confirmed whether to need to be adjusted (under normal circumstances, if passing through user the angle of foot pedal
Impression the angle of pedal 91 is adjusted, it is easy to there is error because normal person to 91 angle of pedal it is whether suitable only
Judgement substantially can be carried out, error just can not be differentiated accurately in the range of two or three of teeth, and these errors are in length
In the case that time uses wheelchair, foot can be caused centainly to damage, and damage and can gradually accumulate).In this way, improve judgement speed
Degree and the accuracy judged so that finally determining 91 angle of pedal is more suitable for user.
The inside of the pedal 91 is additionally provided with battery case (being not drawn into figure), for accommodating battery；The battery case with
Controller connects, it is powered.
Embodiment 8
The foot pedal of adjustable angle as described above, the present embodiment are different from part and are, the angular deviation degree
Calculation formula be：
Wherein, MiIt is determined by following formula：
In formula, P be angular deviation degree, i be pressure sensor serial number, n be pressure sensor sum, xiIt is i-th
The pressure signal of pressure sensor,For the average value of pressure signal, m is tolerates deviation ratio, MiFor i-th pressure sensor
The decision content of pressure signal.
Wherein, m is constant, is set according to actual conditions.
Basic ideas are：The average value of all pressure signals is first calculated, then according to some pressure signal and average value
The absolute value of difference removes average value and tolerance deviation ratio；Then the downward rounding of quotient is obtained into the judgement of the pressure signal
Value；The ratio between the sum of all decision contents and pressure sensor sum are the angular deviation degree of required pedal 91.
It has the beneficial effect that：First calculate the difference of some pressure signal and average value and divided by average value and tolerance deviation
Than influence of user's weight to the angle degree of deviation can be eliminated in this way；Absolute value is asked to difference, can by pressure signal with absolutely
Positive value is converted to the difference of value；Setting tolerance deviation ratio, can determine some pressure signal by adjusting the tolerance deviation ratio
Whether the difference with average value is admissible, is permissible if difference is less than the product of tolerance deviation ratio and average value
, if greater than or equal to tolerance deviation ratio and average value product, then do not allow；Judgement is converted to by downward rounding
Value, then if admissible, decision content 0；If not allowing, decision content is the positive integer more than 0, and difference
Bigger, decision content is also bigger；By summing to decision content, using with pressure sensor ratio of number as required pedal 91
Angular deviation degree can eliminate influence of the decision content to the angle degree of deviation in allowed band；And angular deviation degree is bigger, table
Show pedal 91 angle and best angle deviation it is bigger.
Under normal circumstances, if the angle of pedal 91 is suitable, when foot is placed on pedal 91 by user, foot with
The contact site of pedal 91 should be roughly the same (except arch of the foot part) to the pressure of pedal 91, if the angle of pedal 91
Improper, then when foot is placed on pedal 91 by user, the contact site of foot and pedal 91 should to the pressure of pedal 91
This is different, and bigger with the deviation of angle, and the pressure difference between contact site is bigger.
Embodiment 9
As shown in figure 4, a kind of wheelchair, includes the foot pedal of adjustable angle described above, is additionally provided with straight-bar connector
98, the straight-bar connector 98 is fixedly connected with straight-bar 93 (figure is not drawn into), so as to which foot pedal is fixed on the wheelchair.
As shown in figure 5, it is the side view of wheelchair of the present invention.
A kind of wheelchair, including vehicle frame, wheel 2 and brake gear 3, the vehicle frame includes seat support 11 and back bracket
12, the wheel 1 is removably connected to the both sides of the seat support 2；The brake gear 3 is set on the seat support 11
On, the brake gear 3 is used to suspend or slow down the speed of service of the wheelchair.
As shown in fig. 6, the structure diagram of its wheel installing mechanism for quick-speed plug formula of the present invention；As shown in fig. 7, its
The structure diagram of the regulating mechanism of distance between wheel of the present invention and vehicle frame.
With reference to shown in Fig. 6 and Fig. 7, a kind of wheel installing mechanism of quick-speed plug formula, including axletree 21, be interspersed in it is described
Wheel 2 on axle 21 and the wheel fixing pipe 24 for fixing the axletree 21, the axletree 21 include axle center 211,
Steel ball 212, spring 213, button 214 and locking nut 25,24 inner wall of wheel fixing pipe are equipped with and are matched with the steel ball 212
Groove, the axle center 211 is placed in the inner cavity of the axletree 21, and the axle center 211 can be slided in the axletree 21
It is dynamic.
One end of the axletree 21 is axially symmetric to be provided with pilot hole 215, and the steel ball 212 is set to the guiding
In hole 215, the other end of the axletree 21 is internally provided with inner groove 216, and the spring 213 is fixed on the inner groove 216
On, and the spring 213 is set on the outside in the axle center 211, and external screw thread is equipped with outside the other end of axletree 21, it is described
Locking nut 25 is threadedly connected on the axletree 21, for locking the wheel 2, prevents its slip.
Described 211 one end of axle center is equipped with stepped groove 2111, and the stepped groove 2111 connects with the pilot hole 215
Logical, the other end in the axle center 211 is equipped with external screw thread, and the button 214 is threadedly coupled with the axle center 211, the button 214
Coordinate with the inner groove 216 and contacted with the spring 213.
When the spring 213 descends in the raw, the steel ball 212 stretches out the pilot hole 215, and is stuck in described
On the inner wall of wheel fixing pipe 24；When pressing the button 214, the axle center 211 is moved to the direction of the wheel fixing pipe 24
Dynamic, the steel ball 212 enters in the stepped groove 2111 and the steel ball 212 is always situated in the pilot hole 215, this
When, the spring 213 is in compressive state, and the steel ball 212 is detached from the wheel fixing pipe 24, at this point, can be by the vehicle
Wheel shaft 21 is extracted；When remove act on the active force on the button 214 when, under the spring-force driven dual of the spring 213, push away
It moves the button 214 to move in the opposite direction, the steel ball 212 stretches out the pilot hole 215, is stuck in the steel ball described
In wheel fixing pipe 24, the quick disassembly and installation of the axletree 21 is realized, so as to achieve the purpose that quick removing vehicle tyres.
The present invention is moved left and right by the axle center using quick-speed plug mechanism, the steel ball can be made to enter staged
Groove stretches out the pilot hole, realizes being rapidly assembled and disassembled for wheel.
As shown in figure 8, between a kind of wheel and vehicle frame distance regulating mechanism, including wheel 2, vehicle frame, axletree 21, vehicle
Fixing pipe 24 and adjusting part are taken turns, the wheel fixing pipe 24 is set on the vehicle frame, and the wheel 2 is interspersed in the axletree
On 21, the adjusting part is connect with the wheel fixing pipe, and the axletree is detachably connected with the adjusting part, described
Adjusting part can adjust the distance between the axletree 21 and the wheel fixing pipe 24.
The adjusting part includes screw 22 and nut 23, and the end of the wheel fixing pipe is equipped with internal thread and outer spiral shell
Line, the screw 22 are threadedly coupled in the wheel fixing pipe, and the steel ball is stuck on the screw 22.To prevent the spiral shell
Silk 22 slides, and the screw 22 is lock onto in the wheel fixing pipe 24 by the nut 23, and the present invention uses the spiral shell
Silk 22 and the internal thread of the wheel fixing pipe 24 are fixed, and the nut 23 and the external screw thread of the wheel fixing pipe 24 are fixed,
By the fixed form of this double thread, the screw 23 can be completely fixed in the wheel fixing pipe 24, will not slided
It is dynamic.
When needing to adjust the distance between the wheel 2 and vehicle frame, consolidated by adjusting the screw 22 in the wheel
Position in fixed tube 24 reaches and adjusts the distance between the axletree 21 and the vehicle frame 2, and the wheel is adjusted so as to reach
The distance between 2 and vehicle frame 1, user can adjust the screw 2 in the wheel fixing pipe according to the actual demand of oneself
Position in 24 is to reach respective comfort level.
As shown in figure 8, it is the structure diagram of position adjusting mechanism of the present invention.
A kind of position adjusting mechanism, including seat support 11, fixed plate 43, wheel fixing pipe 24, the first fastening assembly,
Two fastening assemblies and the adjustable plate 42 on the seat support.
The wheel fixing pipe 24 is detachably arranged in by second fastening assembly in the fixed plate 43, described
Wheel fixing pipe 24 is used for fixing vehicle wheel 2, and the horizontally disposed multiple first positioning holes 421 of adjustable plate 42 are described solid
Fixed board 43 is equipped with passes through described the with the 421 corresponding first through hole 431 of first positioning hole, first fastening assembly
One through-hole 431 and any first positioning hole 421, the fixed plate 43 is removably fixed on the adjustable plate 42.
First fastening assembly includes screw 441, nut 442, gasket 443 and fixinig plate 444, and matches, institute
It states screw 441 and sequentially passes through the gasket 443, first through hole 431, first positioning hole 421 and fixinig plate 444, use the spiral shell
The fixed plate 43 is fixed on the adjustable plate 42 by mother 442.
It, can be by adjusting the fixed plate 43 described when needing to adjust the position of the wheel 2 in the horizontal direction
Position in first positioning hole 421 changes the position of the wheel fixing pipe 24 in the horizontal direction, so as to change the wheel
2 position in the horizontal direction makes wheel carry out significantly front and rear adjustment.
As shown in fig. 7, being vertically equipped with multiple second location holes 432 in the fixed plate 43, the wheel is fixed
Pipe 24 is equipped with passes through described second with 432 corresponding second through-hole 433 of the second location hole, second fastening assembly
Through-hole 433 and any second location hole 432, the wheel fixing pipe 24 is removably fixed in the fixed plate 43.
Second fastening assembly includes screw 451, nut 452 and gasket 453, and matches, the screw 451 according to
It is secondary to pass through the gasket 453, the second location hole 432 and the second through-hole 433, using the nut 452 by the wheel fixing pipe
24 are fixed in the fixed plate 43.
By adjusting position of any second location hole 432 relative to the wheel fixing pipe 24, can make described
Fixed plate 43 is shifted one's position in the vertical direction, then adjusts the height of the seat support, and being suitable for different height crowds makes
With.
As shown in figure 9, it is the position adjusting mechanism of brake gear of the present invention.
A kind of position adjusting mechanism of brake gear, including seat support 11, brake adjustment plate 31, brake gear 3, first
Fixation kit and the second fixation kit.
The brake adjustment plate 31 is detachably set to by second fixation kit on the seat support 11, described
Brake adjustment plate is equipped with multiple third location holes 311 in the horizontal direction, and the brake gear 3 is equipped with and the third location hole
311 corresponding third through-holes 312, first fixation kit pass through the third through-hole 312 and any third positioning
The brake gear 3 is fixed on the brake adjustment plate 31 by hole 311.
First fixation kit includes screw 321, nut 322, gasket 323 and gasket 324, and matches, described
Screw 321 sequentially passes through the gasket 323, third through-hole 312, third location hole 311 and gasket 324, uses the nut 322
The brake gear 3 is fixed on the brake adjustment plate 31.
When needing to adjust the position of the brake gear 3 in the horizontal direction, can be existed by adjusting the brake gear 3
Position on any third location hole 311 changes the position of the brake gear 3 in the horizontal direction, to reach different
The demand of user.
Multiple first locating slots 313 are equipped on the brake adjustment plate 31 in the horizontal direction, second fixation kit exists
The brake adjustment plate 31 is fixed on the seat vehicle frame 11 by any position of first locating slot 313.
Second fixation kit includes screw 331, nut 332, gasket 333 and gasket 334, and matches, described
Screw 331 sequentially passes through the gasket 333, the first locating slot 313, the through-hole on seat support 11 and gasket 334, using described
The brake adjustment plate is fixed on the seat support 11 by nut 332.
By adjusting any position of second fixation kit on first locating slot 313, change the brake
Adjustable plate 31 relative to the seat support 11 position, so as to change the position of the brake gear 3, to reach different uses
The demand of person.
As shown in Figure 10, it is the explosive view of brake gear of the present invention.
The brake gear 3 include be fixed on 31 fixed part 341 on the brake adjustment plate, spanner 342, swing arm 343,
Connection sheet 344 and elastic component 345.
The spanner 342 is rotatablely connected with the fixed part 341 by the first connecting shaft 346, the swing arm 343 with it is described
Fixed part 341 is rotatablely connected by the second connecting shaft 347, and the spanner 342 passes through the connection sheet 344 with the swing arm 343
Rotation connection, the elastic component 345 are set between the fixed part 341 and the swing arm 343 and both ends of the elastic component 345
It is separately positioned in the fixed part 341 and the swing arm 343, wherein, the elastic component is torsional spring or tension spring.
When external force acts on the spanner 342, under the action of the elastic component 345 is overcome, the spanner 342 is around institute
It states fixed part 341 to rotate, by the connection sheet 344, the swing arm 343 is driven to be rotated around the fixed part 341, then makes institute
It states swing arm 343 to contact with the wheel 2 of the wheelchair, so as to suspend or slow down the speed of service of the wheel 2.
As shown in figure 11, it is the structure diagram of skirt guard position adjusting mechanism of the present invention.
As shown in the figure, a kind of skirt guard position adjusting mechanism, baffle 51, fastening group including being set on seat support both sides
Part, skirt guard 52.
The baffle 51 is equipped with multiple displacement slots 511 with vertical direction in the horizontal direction, and the skirt guard 51 is set at both ends
There is connector 521, the skirt guard 52 is fixed on the baffle by the fastening assembly in any position of the displacement slot 511
On 51.
The present invention can adjust the skirt by adjusting any position of the fastening assembly in the displacement slot 511
Any position of the plate 51 on the baffle 51, to reach the different demand of user.
The connector 521 is through-hole 521, when dismantling the skirt guard 52, need to be removed the fastening assembly, can
Dismantle the skirt guard 52.
The connector 521 is notch 521, when dismantling the skirt guard 52, need to only be unscrewed the fastener, by institute
The extraction of skirt guard 52 is stated, when the skirt guard 52 is installed, also can the fastening assembly be first fixed on the displacement slot 511
On, then the skirt guard 52 is inserted on the fastening assembly, the fastening assembly is tightened, the connection of the invention
When mouth 521 is notch, the skirt guard easy to disassemble and install.
Wherein, the fastening assembly includes screw 531, nut 532, gasket 533 and gasket 534, and matches.It is described
Screw 531 sequentially passes through the gasket 533, connector 521, displacement slot 511 and gasket 534, using the nut 532 by described in
Skirt guard 52 is fixed on the baffle 51.
As shown in figure 12, it is the structure diagram of backrest angle regulating mechanism of the present invention.
As shown in the figure, a kind of backrest angle regulating mechanism, baffle 51, back bracket including being set on 11 both sides of seat support
12nd, backrest adjustable plate 61, connecting shaft 641, firm component and the fixing piece 121 in the back bracket.
The baffle 51 is equipped with the second locating slot 62 and multiple 4th location holes 63, and the backrest adjustable plate 61 is equipped with
First hole 611, the second hole 612 and multiple adjustment holes 613, the fixing piece 121 are embedded in second hole 612, the fixing piece
121 are flexibly connected with second hole 612, and the connecting shaft 641 passes through second locating slot 62, the first hole 611 and backrest
The backrest adjustable plate 61 is connected in the back bracket 12 and the baffle 51 by stent 12, and the firm component passes through
Any adjustment hole 613 and any 4th location hole 63, the backrest adjustable plate 61 is fixed on the baffle 51,
The backrest adjustable plate 61 is equipped with angle scale 614, is used to indicate the degree of regulation of the backrest angle.
In the present invention, the firm component includes screw 651 and nut 652, and the screw 651 passes through any adjusting
Hole 613 and any 4th location hole 63, are locked using the nut 652.
Adjusting angle of backrest mode is as follows：
The first regulative mode：The screw 651 is unclamped, rotates the backrest adjustable plate 61 to any one adjustment hole
613, the screw 651 is then tightened, this regulative mode is very simple and convenient, in the feelings for not dismantling the screw 651
Under condition, it will be able to realize the angular adjustment of the backrest.
Second of regulative mode：The screw 651 is removed, the backrest adjustable plate 61 is rotated, the backrest is adjusted
Any one adjustment hole 613 on plate 61 is aligned with any one 4th location hole 63 on the baffle 51, then passes through institute
Screw 651 and nut 652 are stated, the backrest adjustable plate 61 is lock onto on the baffle 51.
As shown in figure 13, it is the structure diagram of back bracket of the present invention.
With reference to shown in Figure 12 and Figure 13, a kind of folding backrest mechanism including back bracket 12, is fixed on leaning on for vehicle frame both sides
Back of the body adjustable plate 61, connecting shaft 641 and the fixing piece 121 set on 12 both sides of back bracket, described 12 one end of back bracket lead to
It crosses the connecting shaft 641 to be rotatablely connected with the backrest adjustable plate 61, the other end passes through the fixing piece 121 and the backrest tune
Section plate is detachably connected.
The fixing piece 121 is spring catch, and when pulling the spring catch 121, the spring catch 121 is detached from the backrest tune
Plate 61 is saved, the back bracket can be rotated around the connecting shaft 641, to realize the folding of backrest.
Wherein, the spring catch 121 includes spring 1212, pin 1211 and draw ring 1213, and the spring 1212 is fixed on
In the back bracket 12 and the spring 1212 is equipped with the outside of the pin 1211, the draw ring 1213 and the pin
1211 connect, and drawstring 1214 is equipped between the draw ring 1213 of 12 both sides of back bracket, pulls the drawstring 1214, the pin
Nail 1211 is detached from second hole 612, and the pin compresses the spring 1212, at this point, the back bracket can be around described
Connecting shaft 641 rotates；When unclamping the drawstring 1214, under the spring-force driven dual of the spring 1212, the pin 1211 returns
To home position.
The folding backrest mechanism of the present invention, by pulling the fixing piece, you can enable the back bracket around described
Connecting shaft rotates, and to realize the folding of backrest, not only fold mechanism is simple, but also folding mode is simply, conveniently.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope limited in the claims in the present invention,
It changes or even equivalent, but falls in protection scope of the present invention.
Claims (9)
1. a kind of foot pedal of adjustable angle, including：
Connection seat, lower end have taper tooth；
Straight-bar, lower end are connect with the connection seat, and upper end is fixed on external device (ED)；
Pedal is adjacent to and is flexibly connected with the lower end of the connection seat；
It is characterized in that, the pedal has taper tooth, the taper tooth and the connection seat with the side that the connection seat is adjacent to
Taper tooth engagement；
The foot pedal further includes：
Pressure sensor is arranged on the upper surface of the pedal；
Controller is arranged on inside the pedal, is connect with the pressure sensor；
Display screen is arranged on the pedal side, is connect with the controller；
The pressure conversion that the pressure sensor is subject to is into pressure signal and is transferred to the controller；The controller pair
The pressure signal is handled, and calculates the angular deviation degree of the pedal, and result of calculation is shown by the display screen
Out.
2. foot pedal as described in claim 1, which is characterized in that the taper tooth of the connection seat be invaginating taper tooth, institute
It is raised type taper tooth to state the taper tooth on pedal.
3. foot pedal as described in claim 1, which is characterized in that the taper tooth of the connection seat be raised type taper tooth, institute
It is invaginating taper tooth to state the taper tooth on pedal.
4. the foot pedal as described in claims 1 or 2 or 3, which is characterized in that the pedal and the connection seat by screw rod with
Nut connects, by the taper tooth engagement of the taper tooth of the pedal and the connection seat.
5. foot pedal as claimed in claim 4, which is characterized in that the axial direction of the screw rod and the taper tooth of pedal and described
The direction that the taper tooth of joint chair is disengaged from state is identical.
6. the foot pedal as described in claims 1 or 2 or 3, which is characterized in that the lower end of the straight-bar and the connection seat axis pin
Connection, the lower end end of the straight-bar is resisted against the side of the connection seat.
7. the foot pedal as described in claims 1 or 2 or 3, which is characterized in that the upper surface of the pedal is provided with anti-skidding convex
It rises.
8. foot pedal as claimed in claim 7, which is characterized in that the calculation formula of the angular deviation degree is：
Wherein, MiIt is determined by following formula：
In formula, P be angular deviation degree, i be pressure sensor serial number, n be pressure sensor sum, xiIt is passed for i-th of pressure
The pressure signal of sensor,For the average value of pressure signal, m is tolerates deviation ratio, MiPressure letter for i-th of pressure sensor
Number decision content.
9. a kind of wheelchair with foot pedal described in any of the above-described claim, which is characterized in that be additionally provided on the wheelchair
Straight-bar connector, the straight-bar connector are fixedly connected with the straight-bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780748.7A CN106236429B (en) | 2016-08-30 | 2016-08-30 | A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780748.7A CN106236429B (en) | 2016-08-30 | 2016-08-30 | A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106236429A CN106236429A (en) | 2016-12-21 |
| CN106236429B true CN106236429B (en) | 2018-07-06 |
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ID=58080184
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780748.7A Active CN106236429B (en) | 2016-08-30 | 2016-08-30 | A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal |
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| CN (1) | CN106236429B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI619485B (en) * | 2017-04-12 | 2018-04-01 | 伍必翔 | An adjustable front pedal structure of electrical mobility scooters. |
| CN108852655A (en) * | 2017-05-09 | 2018-11-23 | 武汉易行子科技有限公司 | Intelligent and safe electric wheelchair with seat monitoring, pressure perception and speed monitoring |
| CN107468444A (en) * | 2017-09-11 | 2017-12-15 | 中国科学院自动化研究所 | A kind of pedal jack applied to wheelchair |
| CN108078699A (en) * | 2017-12-19 | 2018-05-29 | 江阴市新盛医疗器材设备有限公司 | A kind of Wheel chair pedal plate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358266A (en) * | 1993-07-12 | 1994-10-25 | Salem Home Inc. | Wheel chair electric brake and pedal safety kit |
| CN2596966Y (en) * | 2003-01-21 | 2004-01-07 | 李茂顺 | Wheel chair pedal plate capable of regulating angle degree |
| CN102895079A (en) * | 2012-11-06 | 2013-01-30 | 江苏亚希维医疗器械有限责任公司 | Pedal with adjustable angles |
| CN203122809U (en) * | 2013-03-04 | 2013-08-14 | 英科(镇江)机械有限公司 | Wheel chair pedal |
| CN204016656U (en) * | 2014-08-04 | 2014-12-17 | 上海理工大学 | There is many positions electric wheel-chair vehicle of rehabilitation training function |
| CN204971944U (en) * | 2015-06-30 | 2016-01-20 | 成都凯裕电子电器有限公司 | Rotatory wheelchair running -board |
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2016
- 2016-08-30 CN CN201610780748.7A patent/CN106236429B/en active Active
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| CN106236429A (en) | 2016-12-21 |
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