CN106236429A - The pedal of a kind of adjustable angle and there is the wheelchair of this pedal - Google Patents

The pedal of a kind of adjustable angle and there is the wheelchair of this pedal Download PDF

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Publication number
CN106236429A
CN106236429A CN201610780748.7A CN201610780748A CN106236429A CN 106236429 A CN106236429 A CN 106236429A CN 201610780748 A CN201610780748 A CN 201610780748A CN 106236429 A CN106236429 A CN 106236429A
Authority
CN
China
Prior art keywords
pedal
connection seat
tapering tooth
tooth
tapering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610780748.7A
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Chinese (zh)
Other versions
CN106236429B (en
Inventor
王尔琪
游立新
阚晓虎
焦敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGJIN MEDICAL EQUIPMENT TAIZHOU Co Ltd
Original Assignee
ZHONGJIN MEDICAL EQUIPMENT TAIZHOU Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHONGJIN MEDICAL EQUIPMENT TAIZHOU Co Ltd filed Critical ZHONGJIN MEDICAL EQUIPMENT TAIZHOU Co Ltd
Priority to CN201610780748.7A priority Critical patent/CN106236429B/en
Publication of CN106236429A publication Critical patent/CN106236429A/en
Application granted granted Critical
Publication of CN106236429B publication Critical patent/CN106236429B/en
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Classifications

    • 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 the pedal of a kind of adjustable angle and has the wheelchair of this pedal, described pedal, including: connection seat, its lower end has tapering tooth；Straight-bar, its lower end is connected with described connection seat, and upper end is fixed on external device (ED)；Pedal, it is adjacent to the lower end of described connection seat and is flexibly connected；The side that described pedal and described connection seat are adjacent to has tapering tooth, and this tapering tooth engages with the tapering tooth of described connection seat；Described wheelchair has described pedal.So, by engaging between tapering tooth with tapering tooth, pedal can be fixed on connection seat, by the position control teeth directional degree of freedom engaged between regulation tapering tooth and tapering tooth, thus the angle of inclination of pedal can also be adjusted simultaneously, and show the result of two degree of freedom displacements.

Description

The pedal of a kind of adjustable angle and there is the wheelchair of this pedal
Technical field
The present invention relates to pedal technical field, be specifically related to the pedal of a kind of adjustable angle and there is this pedal Wheelchair.
Background technology
The wheelchair sold in the market, pedal is mostly height up and down formula structure, and the angle of pedal is not Scalable, this Wheel chair pedal plate angle is set by producer, but set angle does not consider that everyone is individual Body difference.In this case, user when in use, need adjust posture to adapt to pedal, the adjustment of this posture The foot muscles making user easily occurs that local fatigue is excessive, and life-time service can cause adverse consequences.
In view of drawbacks described above, creator of the present invention obtains the present invention finally through research for a long time and practice.
Summary of the invention
For solving above-mentioned technological deficiency, the technical solution used in the present invention is, first provides the foot of a kind of adjustable angle Pedal, including:
Connection seat, its lower end has tapering tooth；
Straight-bar, its lower end is connected with described connection seat, and upper end is fixed on external device (ED)；
Pedal, it is adjacent to the lower end of described connection seat and is flexibly connected；
The side that described pedal and described connection seat are adjacent to has tapering tooth, this tapering tooth and the tapering tooth of described connection seat Engagement.
It is also preferred that the left the tapering tooth of described connection seat is invaginating tapering tooth, the tapering tooth on described pedal is raised type cone Degree tooth.
It is also preferred that the left the tapering tooth of described connection seat is raised type tapering tooth, the tapering tooth on described pedal is invaginating cone Degree tooth.
It is also preferred that the left described pedal is connected with nut by screw rod with described connection seat, by the described tapering tooth stepped on and described The tapering tooth engagement of connection seat.
It is also preferred that the left axial and the tapering tooth of pedal and described connection seat the tapering tooth of described screw rod is disengaged from state Direction is identical.
It is also preferred that the left the lower end of described straight-bar is connected with described connection seat bearing pin, the termination, lower end of described straight-bar is resisted against institute State the side of connection seat.
It is also preferred that the left the upper surface of described pedal is provided with anti-skidding projection.
It is also preferred that the left described pedal also includes:
Pressure transducer, it is arranged on the upper surface of described pedal；
Controller, it is arranged on inside described pedal, is connected with described pressure transducer；
Display screen, it is arranged on described pedal side, is connected with described controller；
Its pressure experienced is converted into pressure signal and is transferred to described controller by described pressure transducer；Described control Described pressure signal is processed by device, calculates the angular deviation degree of described pedal, and by result of calculation by described display screen Show.
It is also preferred that the left the computing formula of described angular deviation degree is:
P = Σ i = 1 n M i n
Wherein, MiDetermined by following formula:
x ‾ = Σ i = 1 n x i
In formula, P is angular deviation degree, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiFor i-th The pressure signal of pressure transducer,For the meansigma methods of pressure signal, m is tolerance deviation ratio, MiFor i-th pressure transducer The decision content of pressure signal.
Secondly a kind of wheelchair with pedal described above is provided, described wheelchair is additionally provided with straight-bar joint, described Straight-bar joint is fixing with described straight-bar to be connected.
The beneficial effects of the present invention is compared with the prior art: the pedal of a kind of adjustable angle is provided, as such, it is possible to By engaging between tapering tooth with tapering tooth, pedal is fixed on connection seat, simultaneously can also be by regulation tapering tooth and cone The position control teeth directional degree of freedom of engagement between degree tooth, thus adjust the angle of inclination of pedal, and show two degree of freedom displacements Result；Employing tapering tooth engages with tapering tooth, and therefore multiple common stress of tapering tooth can bear bigger external force Amount；Being interfixed with connection seat by pedal, both combinations are more firm；Have only to unclamp nut, i.e. can be to tapering tooth The position of engagement is adjusted, thus regulates the angle of pedal.Simple in construction, easy to adjust；Improve and judge speed and judgement Accuracy so that the pedal angle finally determined is more suitable for user.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in various embodiments of the present invention, required in embodiment being described below The accompanying drawing used is briefly described.
Fig. 1 is the structure chart one of pedal of the present invention；
Fig. 2 is the structure chart two of 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 structural representation of the wheel installing mechanism of quick-speed plug formula of the present invention；
Fig. 7 is the structural representation of wheel of the present invention and the governor motion of the spacing of vehicle frame；
Fig. 8 is the structural representation of position adjusting mechanism of the present invention；
Fig. 9 is the structural representation 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 structural representation of skirt guard position adjusting mechanism of the present invention；
Figure 12 is the structural representation of backrest angle governor motion of the present invention；
Figure 13 is the structural representation of back bracket of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, to the present invention, above-mentioned and other technical characteristic and advantage are described in more detail.
Embodiment 1
As shown in Figure 1 with Figure 2, the pedal of described adjustable angle includes:
Connection seat 92, its lower end has tapering tooth；
Straight-bar 93, its lower end is connected with described connection seat 92, and upper end is fixed on external device (ED)；
Pedal 91, it is adjacent to the lower end of described connection seat 92 and is flexibly connected；
The side that described pedal 91 is adjacent to described connection seat 92 has tapering tooth, this tapering tooth and described connection seat 92 Tapering tooth engages.
As such, it is possible to pedal 91 is fixed on connection seat 92 by engaging between tapering tooth with tapering tooth, the most also By the position control teeth directional degree of freedom engaged between regulation tapering tooth and tapering tooth, thus the inclination angle of pedal 91 can be adjusted Degree, and show the result of two degree of freedom displacements.
The quantity of the tapering tooth of described connection seat 92 and described pedal 91 is multiple, so, uses tapering tooth and tapering The engagement of tooth, multiple common stress of tapering tooth, therefore can bear bigger external strength.
Embodiment 2
The pedal of adjustable angle as described above, the present embodiment is different from part and is, described connection seat 92 Tapering tooth is invaginating tapering tooth, and the tapering tooth on described pedal 91 is raised type tapering tooth, the cone of the most described connection seat 92 Tapering tooth on degree tooth and described pedal 91 is mutually locked, and is interfixed with connection seat 92 by pedal 91, and both combinations are more Firm.
Embodiment 3
The pedal of adjustable angle as described above, the present embodiment is different from part and is, described connection seat 92 Tapering tooth is raised type tapering tooth, and the tapering tooth on described pedal 91 is invaginating tapering tooth, the cone of the most described connection seat 92 Tapering tooth on degree tooth and described pedal 91 is mutually locked, and is interfixed with connection seat 92 by pedal 91, and both combinations are more Firm.
Embodiment 4
The pedal of adjustable angle as described above, the present embodiment is different from part and is, Fig. 1 combines shown in Fig. 2, Described pedal 91 is connected with nut 95, by tapering tooth and the described connection of described pedal 91 by screw rod 94 with described connection seat 92 The tapering tooth engagement of seat 92.When needing the angle of pedal 91 is adjusted, first unclamp nut 95, thus by pedal 91 along screw rod 94 move axially outward, makes the tapering tooth of pedal 91 and the tapering tooth of connection seat 92 be disengaged from state；Then by pedal 91 Radial direction along screw rod 94 rotates, to specifying position；Finally by pedal 91 being moved axially inward along screw rod 94, make pedal 91 Tapering tooth again engage with the tapering tooth of connection seat 92, and nut 95 is tightened.
Axial and the tapering tooth of pedal 91 and described connection seat 92 the tapering tooth of described screw rod 94 is disengaged from state Direction is identical.
So, it is only necessary to unclamp nut 95, i.e. the position of engagement of tapering tooth can be adjusted, thus regulate pedal 91 Angle.Simple in construction, easy to adjust.
Embodiment 5
The pedal of adjustable angle as described above, the present embodiment is different from part and is, described straight-bar 93 times End is connected with described connection seat 92 bearing pin；So, described connection seat 92 can rotate around described bearing pin, thus is not using pedal When 91, pedal 91 is folded up and receive.
The termination, lower end of described straight-bar 93 is resisted against the side of described connection seat 92, so can be in use by pedal 91 Transfer, the lowered position of pedal 91 is defined.
Embodiment 6
The pedal of adjustable angle as described above, the present embodiment is different from part and is, described pedal 91 upper End face is provided with anti-skidding projection, for anti-skidding.
Described pedal 91 is provided with hollow out, is used for alleviating pedal 91 weight, conservation.
Embodiment 7
The pedal of adjustable angle as described above, the present embodiment is different from part and is, as it is shown on figure 3, described Pedal also includes:
Pressure transducer 96, it is arranged on the upper surface of described pedal 91；
Controller (is not drawn in figure), and it is internal that it is arranged on described pedal 91, is connected with described pressure transducer 96；
Display screen 97, it is arranged on described pedal 91 side, is connected with described controller.
So, after foot is placed on pedal 91 by user, pressure transducer 96 detects its pressure experienced and turns Change pressure signal into and be transferred to controller；Pressure signal is processed by controller, calculates the angular deviation degree of pedal 91, and will Result of calculation is shown by display screen 97.
So, after foot is placed on pedal 91 by user, can judge to place posture by observing display screen 97 The most accurate, thus be quickly confirmed whether to need to be adjusted the angle of pedal (under normal circumstances, if passing through user Impression the angle of pedal 91 is adjusted, it is easy to error occurs, because normal person is the most suitable only to pedal 91 angle Can carry out judgement substantially, error just cannot be carried out differentiating accurately in the range of two or three teeth, and these errors are being grown In the case of time uses wheelchair, foot can be caused certain damage, and damage meeting gradually accumulation).So, improve judgement speed Degree and the accuracy judged so that pedal 91 angle finally determined is more suitable for user.
The inside of described pedal 91 is additionally provided with battery case (being not drawn in figure), is used for accommodating battery；Described battery case with Controller connects, and is powered it.
Embodiment 8
The pedal of adjustable angle as described above, the present embodiment is different from part and is, described angular deviation degree Computing formula be:
P = Σ i = 1 n M i n
Wherein, MiDetermined by following formula:
x ‾ = Σ i = 1 n x i
In formula, P is angular deviation degree, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiFor i-th The pressure signal of pressure transducer,For the meansigma methods of pressure signal, m is tolerance deviation ratio, MiFor i-th pressure transducer The decision content of pressure signal.
Wherein, m is constant, sets according to practical situation.
Basic ideas are: first calculate the meansigma methods of all pressure signals, then according to certain pressure signal and meansigma methods The absolute value of difference removes meansigma methods and tolerance deviation ratio；Then quotient is rounded downwards the judgement obtaining this pressure signal Value；All decision content sums and the angular deviation degree that the ratio of pressure transducer sum is required pedal 91.
Have the beneficial effect that and first calculate the difference of certain pressure signal and meansigma methods and divided by meansigma methods and tolerance deviation Ratio, so can eliminate the impact on the angle degree of deviation of the user body weight；Difference is sought absolute value, can be by pressure signal with exhausted The difference of value is changed on the occasion of；Set tolerance deviation ratio, certain pressure signal can be determined by regulating this tolerance deviation ratio Whether it is admissible with the difference of meansigma methods, if difference is less than the product of tolerance deviation ratio with meansigma methods, is then to allow , if greater than or equal to the product of tolerance deviation ratio and meansigma methods, then be unallowed；Be converted to judge by rounding downwards Value, then if admissible, its decision content is 0；If unallowed, its decision content is the positive integer more than 0, and difference The biggest, it is determined that to be worth the biggest；By to decision content sue for peace, using and with pressure transducer ratio of number as required pedal 91 Angular deviation degree, can eliminate the impact on the angle degree of deviation of the decision content in allowed band；And angular deviation degree is the biggest, table Show that the angle of pedal 91 is the biggest with the deviation of best angle.
Under normal circumstances, if the angle of pedal 91 is suitable, then 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 differs, and along with the deviation of angle is the biggest, the pressure difference between contact site is the biggest.
Embodiment 9
As shown in Figure 4, a kind of wheelchair, it includes the pedal of adjustable angle described above, is additionally provided with straight-bar joint 98, described straight-bar joint 98 is fixing with straight-bar 93 (this figure is not drawn into) to be connected, thus is fixed on described wheelchair by pedal.
As it is shown in figure 5, the side view that it is wheelchair of the present invention.
A kind of wheelchair, including vehicle frame, wheel 2 and brake gear 3, described vehicle frame includes seat support 11 and back bracket 12, described wheel 1 is removably connected to the both sides of described seat support 2；Described seat support 11 is located at by described brake gear 3 On, described brake gear 3 is for suspending or slow down the speed of service of described wheelchair.
As shown in Figure 6, it is the structural representation of wheel installing mechanism of quick-speed plug formula of the present invention；As it is shown in fig. 7, its Structural representation for wheel of the present invention Yu the governor motion of the spacing of vehicle frame.
Shown in Fig. 6 and Fig. 7, the wheel installing mechanism of a kind of quick-speed plug formula, including axletree 21, be interspersed in described Wheel 2 on axletree 21 and fix pipe 24 for fixing the wheel of described axletree 21, described axletree 21 include axle center 211, Steel ball 212, spring 213, button 214 and locking nut 25, described wheel is fixed pipe 24 inwall and is provided with and mates with described steel ball 212 Groove, described axle center 211 is placed in the inner chamber of described axletree 21, and described axle center 211 can be slided in described axletree 21 Dynamic.
The axially symmetric pilot hole 215 that is provided with in one end of described axletree 21, described steel ball 212 is arranged at described guiding In hole 215, being provided with inner groove 216 inside the other end of described axletree 21, described spring 213 is fixed on described inner groove 216 On, and described spring 213 is located at the outside in described axle center 211, is provided with external screw thread outside the described other end of axletree 21, described Locking nut 25 is threadedly connected on described axletree 21, is used for locking described wheel 2, prevents it from sliding.
One end, described axle center 211 is provided with stepped groove 2111, and described stepped groove 2111 is with described pilot hole 215 even Logical, the other end in described axle center 211 is provided with external screw thread, and described button 214 is threadeded with described axle center 211, described button 214 Coordinate with described inner groove 216 and contact with described spring 213.
When described spring 213 descends in the raw, described steel ball 212 stretches out described pilot hole 215, and is stuck in described Wheel is fixed on the inwall of pipe 24；When pressing described button 214, the direction that pipe 24 is fixed to described wheel in described axle center 211 is moved Dynamic, in described steel ball 212 enters described stepped groove 2111 and described steel ball 212 is always situated in described pilot hole 215, this Time, described spring 213 is in compressive state, and described steel ball 212 departs from described wheel and fixes pipe 24, now, it is possible to by described car Wheel shaft 21 is extracted；When removing the active force acted on described button 214, under the spring-force driven dual of described spring 213, push away Dynamic described button 214 moves in the opposite direction, and described steel ball 212 stretches out described pilot hole 215, makes described steel ball be stuck in described Wheel is fixed on pipe 24, it is achieved that the fast quick-detach of described axletree 21 and installation, thus reaches the purpose of quick removing vehicle tyres.
The present invention uses quick-speed plug mechanism, is moved left and right by described axle center, it is possible to make described steel ball enter staged Groove or stretch out described pilot hole, it is achieved being rapidly assembled and disassembled of wheel.
As shown in Figure 8, the governor motion of the spacing of a kind of wheel and vehicle frame, including wheel 2, vehicle frame, axletree 21, car Wheel fixes pipe 24 and adjusting part, and described wheel is fixed pipe 24 and is located on described vehicle frame, and described wheel 2 is interspersed in described axletree On 21, described adjusting part is fixed pipe with described wheel and is connected, and described axletree removably connects with described adjusting part, described Adjusting part can regulate described axletree 21 and the distance between pipe 24 fixed by described wheel.
Described adjusting part includes screw 22 and nut 23, and described wheel is fixed the end of pipe and is provided with female thread and outer spiral shell Stricture of vagina, described screw 22 is threadedly coupled to described wheel and fixes on pipe, and described steel ball is stuck on described screw 22.For preventing described spiral shell Silk 22 slides, and by described nut 23, described screw 22 is lock onto described wheel and fixes on pipe 24, and the present invention uses described spiral shell Silk 22 and described wheel are fixed the female thread of pipe 24 and are fixed, and described nut 23 is fixed with the external screw thread that pipe 24 fixed by described wheel, Fixed form by this double thread, it is possible to described screw 23 is completely fixed in described wheel and fixes on pipe 24, will not slide Dynamic.
When needing to regulate the distance between described wheel 2 and vehicle frame, solid at described wheel by regulating described screw 22 Position in fixed tube 24, reaches to regulate the distance between described axletree 21 and described vehicle frame 2, thus reaches to regulate described wheel Distance between 2 and vehicle frame 1, user can regulate described screw 2 at the fixing pipe of described wheel according to the actual demand of oneself Position in 24 is to reach respective comfort level.
As shown in Figure 8, it is the structural representation of position adjusting mechanism of the present invention.
A kind of position adjusting mechanism, including seat support 11, fixed plate 43, wheel fix pipe the 24, first fastening assembly, the Two fastening assemblies and the adjustable plate 42 being located on described seat support.
Described wheel is fixed pipe 24 and is detachably arranged in described fixed plate 43 by described second fastening assembly, described Wheel fixes pipe 24 for fixing vehicle wheel 2, horizontally disposed multiple first holes 421, location of described adjustable plate 42, described solid Determining plate 43 to be provided with and described first corresponding the first through hole 431 in hole 421, location, described first fastening assembly is through described the One through hole 431 and arbitrary described first hole 421, location, be removably fixed in described fixed plate 43 on described adjustable plate 42.
Described first fastening assembly includes screw 441, nut 442, pad 443 and stator 444, and supports the use, institute State screw 441 and sequentially pass through described pad the 443, first through hole the 431, first hole 421, location and stator 444, use described spiral shell Described fixed plate 43 is fixed on described adjustable plate 42 by female 442.
When needing to regulate described wheel 2 position in the horizontal direction, can be by regulating described fixed plate 43 described Position on first hole 421, location, changes described wheel and fixes pipe 24 position in the horizontal direction, thus change described wheel 2 positions in the horizontal direction, make wheel carry out before and after significantly and adjust.
As it is shown in fig. 7, be vertically provided with multiple second hole 432, location in described fixed plate 43, described wheel is fixed Pipe 24 is provided with second through hole 433 corresponding with described second hole 432, location, and described second fastening assembly passes described second Through hole 433 and arbitrary described second hole 432, location, fix described wheel pipe 24 and be removably fixed in described fixed plate 43.
Described second fastening assembly includes screw 451, nut 452 and pad 453, and supports the use, and described screw 451 depends on Secondary through described pad the 453, second hole 432, location and the second through hole 433, use described nut 452 by fixing for described wheel pipe 24 are fixed in described fixed plate 43.
The position of pipe 24 is fixed relative to described wheel, it is possible to make described by arbitrary described second hole 432, location of regulation Fixed plate 43 in the vertical direction is shifted one's position, and then regulates the height of described seat support, is suitable for different height crowd and makes With.
As it is shown in figure 9, the position adjusting mechanism that it is brake gear of the present invention.
The position adjusting mechanism of a kind of brake gear, including seat support 11, brake adjustment plate 31, brake gear 3, first Fixation kit and the second fixation kit.
Described brake adjustment plate 31 is detachably arranged on described seat support 11 by described second fixation kit, described Brake adjustment plate is provided with multiple 3rd hole 311, location in the horizontal direction, and described brake gear 3 is provided with and described 3rd hole, location 311 corresponding third through-holes 312, described first fixation kit is through described third through-hole 312 and arbitrary described 3rd location Hole 311, is fixed on described brake gear 3 on described brake adjustment plate 31.
Described first fixation kit includes screw 321, nut 322, pad 323 and pad 324, and supports the use, described Screw 321 sequentially passes through described pad 323, third through-hole the 312, the 3rd hole 311, location and pad 324, uses described nut 322 Described brake gear 3 is fixed on described brake adjustment plate 31.
When needing to regulate described brake gear 3 position in the horizontal direction, can exist by regulating described brake gear 3 Position on arbitrary described 3rd hole 311, location, changes described brake gear 3 position in the horizontal direction, to reach different The demand of user.
Being provided with multiple first locating slot 313 on described brake adjustment plate 31 in the horizontal direction, described second fixation kit exists Described brake adjustment plate 31 is fixed on described seat vehicle frame 11 by any position of described first locating slot 313.
Described second fixation kit includes screw 331, nut 332, pad 333 and pad 334, and supports the use, described Screw 331 sequentially passes through the through hole on described pad the 333, first locating slot 313, seat support 11 and pad 334, uses described Described brake adjustment plate is fixed on described seat support 11 by nut 332.
By regulation described second fixation kit any position on described first locating slot 313, change described brake Adjustable plate 31 is relative to the position of described seat support 11, thus changes the position of described brake gear 3, to reach different use The demand of person.
As shown in Figure 10, it is the explosive view of brake gear of the present invention.
Described brake gear 3 include being fixed on the fixed part 341 of 31 on described brake adjustment plate, spanner 342, swing arm 343, Connect sheet 344 and elastic component 345.
Described spanner 342 is rotationally connected by the first connecting shaft 346 with described fixed part 341, and described swing arm 343 is with described Fixed part 341 is rotationally connected by the second connecting shaft 347, and described spanner 342 is connected sheet 344 with described swing arm 343 by described Being rotationally connected, described elastic component 345 is located between described fixed part 341 and described swing arm 343 and the two ends of described elastic component 345 Being separately positioned in described fixed part 341 and described swing arm 343, wherein, described elastic component is torsion spring or extension spring.
When External Force Acting is in described spanner 342, under the effect overcoming described elastic component 345, described spanner 342 is around institute State fixed part 341 to rotate, by described connection sheet 344, drive described swing arm 343 to rotate around described fixed part 341, then make institute State swing arm 343 to contact with the wheel 2 of described wheelchair, thus suspend or slow down the speed of service of described wheel 2.
As shown in figure 11, it is the structural representation of skirt guard position adjusting mechanism of the present invention.
As it can be seen, a kind of skirt guard position adjusting mechanism, including being located at the baffle plate 51 of seat support both sides, fastening group Part, skirt guard 52.
Described baffle plate 51 is provided with multiple displacement groove 511 in the horizontal direction with vertical direction, and described skirt guard 51 sets at two ends Having connector 521, described skirt guard 52 is fixed on described baffle plate in any position of described displacement groove 511 by described fastening assembly On 51.
The present invention is by regulating the described fastening assembly any position at described displacement groove 511, it is possible to regulate described skirt The plate 51 any position on described baffle plate 51, the demand different to reach user.
Described connector 521 is through hole 521, when dismantling described skirt guard 52, need to be taken off by described fastening assembly, can Dismantle described skirt guard 52.
Described connector 521 is notch 521, when dismantling described skirt guard 52, only need to be unscrewed by described securing member, by institute State skirt guard 52 to extract out, when described skirt guard 52 is installed, it is possible to described fastening assembly is first fixed on described displacement groove 511 On, more described skirt guard 52 is inserted on described fastening assembly, described fastening assembly is tightened, the described connection of the present invention When mouth 521 is notch, conveniently dismantles and described skirt guard is installed.
Wherein, described fastening assembly includes screw 531, nut 532, pad 533 and pad 534, and supports the use.Described Screw 531 sequentially passes through described pad 533, connector 521, displacement groove 511 and pad 534, uses described nut 532 by described Skirt guard 52 is fixed on described baffle plate 51.
As shown in figure 12, it is the structural representation of backrest angle governor motion of the present invention.
As it can be seen, a kind of backrest angle governor motion, including being located at the baffle plate 51 of seat support 11 both sides, back bracket 12, backrest adjustable plate 61, connecting shaft 641, firm assembly and the fixture 121 being located in described back bracket.
Described baffle plate 51 is provided with the second locating slot 62 and multiple 4th hole 63, location, and described backrest adjustable plate 61 is provided with First the 611, second hole 612, hole and multiple adjustment hole 613, described fixture 121 embeds described second hole 612, described fixture 121 are flexibly connected with described second hole 612, and described connecting shaft 641 is through described second locating slot the 62, first hole 611 and backrest Support 12, is connected to described backrest adjustable plate 61 in described back bracket 12 and described baffle plate 51, and described firm assembly passes Arbitrary described adjustment hole 613 and arbitrary described 4th hole 63, location, be fixed on described backrest adjustable plate 61 on described baffle plate 51, Described backrest adjustable plate 61 is provided with angle scale 614, for indicating the degree of regulation of described backrest angle.
In the present invention, described firm assembly includes screw 651 and nut 652, and described screw 651 is through arbitrary described regulation Hole 613 and arbitrary described 4th hole 63, location, use described nut 652 to lock.
Adjusting angle of backrest mode is as follows:
The first regulative mode: unclamp described screw 651, rotates described backrest adjustable plate 61 to any one described adjustment hole 613, then tighten described screw 651, this regulative mode is very simple and convenient, in the feelings not dismantling described screw 651 Under condition, it becomes possible to realize the angular adjustment of described backrest.
The second regulative mode: taken off by described screw 651, rotates described backrest adjustable plate 61, is regulated by described backrest Any one adjustment hole 613 on plate 61 is directed at any one described 4th hole 63, location on described baffle plate 51, then passes through institute State screw 651 and nut 652, described backrest adjustable plate 61 is lock onto on described baffle plate 51.
As shown in figure 13, it is the structural representation of back bracket of the present invention.
Shown in Figure 12 and Figure 13, a kind of folding backrest mechanism, including back bracket 12, it is fixed on leaning on of vehicle frame both sides Carrying on the back adjustable plate 61, connecting shaft 641 and be located at the fixture 121 of described back bracket 12 both sides, described back bracket 12 one end leads to Crossing described connecting shaft 641 to be rotationally connected with described backrest adjustable plate 61, the other end is adjusted with described backrest by described fixture 121 Joint plate removably connects.
Described fixture 121 is spring catch, and when pulling described spring catch 121, described spring catch 121 departs from described backrest and adjusts Joint plate 61, described back bracket can rotate around described connecting shaft 641, to realize the folding of backrest.
Wherein, described spring catch 121 includes that spring 1212, pin 1211 and draw ring 1213, described spring 1212 are fixed on The described interior and described spring 1212 of back bracket 12 is provided with the outside of described pin 1211, described draw ring 1213 and described pin 1211 connect, and be provided with stay cord 1214, pull described stay cord 1214, described pin between the draw ring 1213 of described back bracket 12 both sides Described second hole 612 of nail 1211 disengaging, described pin compresses described spring 1212, and now, described back bracket can be around described Connecting shaft 641 rotates；When unclamping described stay cord 1214, under the spring-force driven dual of described spring 1212, described pin 1211 times To home position.
The folding backrest mechanism of the present invention, by pulling described fixture, can enable described back bracket around described Connecting shaft rotates, and to realize the folding of backrest, not only fold mechanism is simple, and folding mode is simple, convenient.
The foregoing is only presently preferred embodiments of the present invention, be merely illustrative for the purpose of the present invention, and non-limiting 's.Those skilled in the art understands, it can be carried out many changes in the spirit and scope that the claims in the present invention are limited, Amendment, even equivalence, but fall within protection scope of the present invention.

Claims (10)

1. a pedal for adjustable angle, including:
Connection seat, its lower end has tapering tooth；
Straight-bar, its lower end is connected with described connection seat, and upper end is fixed on external device (ED)；
Pedal, it is adjacent to the lower end of described connection seat and is flexibly connected；
It is characterized in that, the side that described pedal and described connection seat are adjacent to has tapering tooth, this tapering tooth and described connection seat Tapering tooth engagement.
2. pedal as claimed in claim 1, it is characterised in that the tapering tooth of described connection seat is invaginating tapering tooth, institute Stating the tapering tooth on pedal is raised type tapering tooth.
3. pedal as claimed in claim 1, it is characterised in that the tapering tooth of described connection seat is raised type tapering tooth, institute Stating the tapering tooth on pedal is invaginating tapering tooth.
4. the pedal as described in claim 1 or 2 or 3, it is characterised in that described pedal and described connection seat by screw rod with Nut connects, and is engaged by the tapering tooth of the described tapering tooth stepped on and described connection seat.
5. pedal as claimed in claim 4, it is characterised in that described screw rod axially and the tapering tooth of pedal and described The direction that the tapering tooth of joint chair is disengaged from state is identical.
6. the pedal as described in claim 1 or 2 or 3, it is characterised in that the lower end of described straight-bar and described connection seat bearing pin Connecting, the termination, lower end of described straight-bar is resisted against the side of described connection seat.
7. the pedal as described in claim 1 or 2 or 3, it is characterised in that the upper surface of described pedal is provided with anti-skidding convex Rise.
8. the pedal as described in claim 1 or 2 or 3, it is characterised in that described pedal also includes:
Pressure transducer, it is arranged on the upper surface of described pedal；
Controller, it is arranged on inside described pedal, is connected with described pressure transducer；
Display screen, it is arranged on described pedal side, is connected with described controller；
Its pressure experienced is converted into pressure signal and is transferred to described controller by described pressure transducer；Described controller pair Described pressure signal processes, and calculates the angular deviation degree of described pedal, and result of calculation is shown by described display screen Out.
9. pedal as claimed in claim 8, it is characterised in that the computing formula of described angular deviation degree is:
P = Σ i = 1 n M i n
Wherein, MiDetermined by following formula:
x ‾ = Σ i = 1 n x i
In formula, P is angular deviation degree, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiPass for i-th pressure The pressure signal of sensor,For the meansigma methods of pressure signal, m is tolerance deviation ratio, MiPressure for i-th pressure transducer is believed Number decision content.
10. one kind has the wheelchair of pedal described in any of the above-described claim, it is characterised in that be additionally provided with on described wheelchair Straight-bar joint, described straight-bar joint is fixing with described straight-bar to be connected.
CN201610780748.7A 2016-08-30 2016-08-30 A kind of foot pedal of adjustable angle and the wheelchair with the foot pedal Active CN106236429B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TWI619485B (en) * 2017-04-12 2018-04-01 伍必翔 An adjustable front pedal structure of electrical mobility scooters.
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
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

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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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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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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