CN209422285U - A kind of wheelchair pedal device and the profile on wheelchair pedal - Google Patents
A kind of wheelchair pedal device and the profile on wheelchair pedal Download PDFInfo
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- CN209422285U CN209422285U CN201721541613.1U CN201721541613U CN209422285U CN 209422285 U CN209422285 U CN 209422285U CN 201721541613 U CN201721541613 U CN 201721541613U CN 209422285 U CN209422285 U CN 209422285U
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- supporting column
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- adjusting set
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Abstract
Profile the utility model relates to wheelchair pedal and on wheelchair pedal, the pedal is set on seat, including pedal, treadle supporting column, adjusting set, Flexible element and telescopic support rod, the upper end of the treadle supporting column and support rod is hingedly connected on the different location of seat, the lower end of treadle supporting column is articulated with the lower end of support rod, the adjusting is set on pedal, and the treadle supporting column that is slidably connected, the Flexible element is laid along treadle supporting column length direction, and both ends are hingedly connected to treadle supporting column and adjusting set.The wheelchair pedal of the utility model completes the adaptive adjustment of tread length under the premise of passive delivery according to the leg of user, user leg is jacked up the situation for rolling up state and back is arched occurred when avoiding pedal lifting, while being also convenient for user and being completed movement of getting on or off the bus.
Description
Technical field
The invention belongs to intelligent wheel chair field more particularly to a kind of wheelchair pedal devices and the type on wheelchair pedal
Material.
Background technique
The pedal of wheelchair is the standard configuration of each car, is also largely affected by the usage experience of user, pedal structure
Common demands have regulatory function, the demand of Lai Shiying different users.Pedal governing loop generally comprises angular adjustment and length
Degree is adjusted, and the pedal angle and length of high-end wheelchair are all requirements while can adjust, including electronic adjustment pedal angle.But it is existing
All there are a common defects, the foot of user be lifted in pedal pivoting in the product of pedal angle in technology
In the process, the center of rotation of pedal and the center of rotation of user's shank be not collinear, and user will be during lifting not
It is disconnected to feel foot by upward thrust, reclining backward is made one, user need to impose the power of certain anti-hypsokinesis, while must be curved
Leg adapts to this angular adjustment of pedal, brings very uncomfortable narrow sense, as " shearing is poor " problem to user.It is some high
It holds electric wheelchair in order to solve this problem, increases the push-rod electric machine of adjust automatically tread length, pass through during foot-up
Program adapts to adjustment tread length automatically, this design is relative complex and can not adapt to all groups completely.
On the other hand, pedal structure is stretched out outside seat, is had obstruction and is used upper and lower wheelchair.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of wheelchair pedal device and the profile on wheelchair pedal,
Specifically it is realized by the following technical scheme:
A kind of wheelchair pedal device, be set to seat on, including pedal, treadle supporting column, adjusting set, Flexible element with
And telescopic support rod, the upper end of the treadle supporting column and support rod are hingedly connected on the different location of seat, pedal
The lower end of support column is articulated with the lower end of support rod, and the adjusting is set on pedal, and the treadle supporting column that is slidably connected, institute
It states Flexible element to lay along treadle supporting column length direction, both ends are hingedly connected to treadle supporting column and adjusting set.
The further design of the wheelchair pedal device is that the support rod is push-rod electric machine or gas spring.
The further design of the wheelchair pedal device is that the wheelchair pedal device further includes a runing rest,
The runing rest is installed on the bottom of seat, and the upper end of the treadle supporting column and support rod is hingedly connected to runing rest
On different location.
The further design of the wheelchair pedal device is that the runing rest includes connecting plate and the company of being respectively arranged on
The first hinged seat on fishplate bar upper surface and the second hinged seat on lower end surface, the first hinged seat seat opposite with the second hinged seat
Depth direction has spacing, and the upper end of the treadle supporting column is articulated with the first hinged seat, and the upper end of the support rod is articulated with
Second hinged seat, runing rest are connected to the bottom of seat by the upper surface of connecting plate.
The further design of the wheelchair pedal device is that the treadle supporting column is equipped with along treadle supporting column length
The mounting groove of direction setting is spent, the Flexible element is set in mounting groove.
The further design of the wheelchair pedal device is that the lower end of the treadle supporting column is equipped with pusher bar support,
The lower end of treadle supporting column is hinged by the lower end of pusher bar support and support rod.
The further design of the wheelchair pedal device is that the adjusting set is to be adapted and set with treadle supporting column
There is the non-close body of opening, which is set on treadle supporting column, at the pusher bar support that treadle supporting column lower end is equipped with
In the aperture position of adjusting set, pusher bar support is stretched out hinged with one end of support rod outside adjusting set by the opening.
The further design of the wheelchair pedal device is that the upper end of the Flexible element is articulated with adjusting set, bullet
The lower end of property unit is articulated with the lower end of treadle supporting column, when adjusting set is with respect to treadle supporting column slide downward, Flexible element quilt
Compression.
The further design of the wheelchair pedal device is that the lower end of the Flexible element is articulated with adjusting set, institute
The upper end for stating Flexible element is articulated with the upper end of treadle supporting column, and when adjusting set is with respect to treadle supporting column slide downward, elasticity is single
Member is stretched.
The further design of the wheelchair pedal device is, a mounting plate, adjusting set are connected in the adjusting set
Pass through the lower end of the hinged Flexible element of mounting plate or the upper end of Flexible element.
The further design of the wheelchair pedal device is that the Flexible element is gas spring or mechanical spring
The further design of the wheelchair pedal device is that the wheelchair pedal device further includes self-lock pin, described
Self-lock pin is axially displaceably set to adjusting set side, and adjusting set corresponding position is equipped with pin hole, and self-lock pin protrudes into tune by pin hole
Section set inside is simultaneously closely against on treadle supporting column, and the position for making treadle supporting column currently correspond to self-lock pin is locked.
The further design of the wheelchair pedal device is that the self-lock pin is bolt or manual pin from magnet.
The further design of the wheelchair pedal device is that the manual pin is equipped with screw thread and one end is equipped with knob
Disk；Pin hole in the adjusting set is screw hole compatible with the upper screw thread of manual pin, and pin is axial by the screw hole that is screwed on manually
Mobile, the knob wheel that turn is sold manually, the end sold manually is closely against on treadle supporting column to adjusting set medial movement, makes
The position that treadle supporting column currently corresponds to self-lock pin is locked.
The further design of the wheelchair pedal device is that the treadle supporting column and adjusting set are profile knot
Structure, and it is respectively pluggable and be adapted inner profile and outer profile.
The profile that the present invention also provides a kind of on wheelchair pedal, the profile include inner profile and outer profile, institute
Inner profile is stated slideably to be plugged in outer profile；The inner profile includes that the connecting rib being arranged along its length and two are arranged side by side
Rectangle frame, connecting rib is arranged between two rectangle frames and connects two rectangle frame, formed being arranged along its length and located
Scarfing slot and Flexible element placing groove in connecting rib two sides；The outer profile includes open type rectangle frame and interlocking protrusion, institute
The one side for stating open type rectangle frame is equipped with opening, and the rectangle frame medial surface that opening is equipped with against side is arranged in the interlocking protrusion
Symmetrical center positions on, and be adapted with the scarfing slot of inner profile.
The further design of the profile is, at least provided with three for putting on the face that inner profile fits with outer profile
The antifriction hole of antifriction stick is set, three antifriction hole distributions triangular in shape, each antifriction hole is by being separately positioned on inner profile and outer profile
It combines to be formed in semi arch hole on corresponding position.
The further design of the profile is, divides on the medial surface of two outer rectangular frame sides arranged side by side in the inner profile
The convex ribs that She You be arranged along its length, and convex ribs are equipped with the not closed installation hole slot being arranged along its length, and not
Radian corresponding to closed arc length is not more than 90 °.
The further design of the profile is, is respectively equipped with along its length at the corner location on the inside of the outer profile
The not closed installation hole slot being arranged, and radian corresponding to not closed arc length is not more than 90 °.
Advantages of the present invention
Wheelchair pedal device of the invention, when in use with the lifting of pedal, spring unit can be according to people's leg length
Degree slides by adjusting opposite support column is covered, and tread length (radius of gyration) is made to make adaptive tune with people's leg comfortable position
It is whole, thus pedal will not play the role of user to jack upwards in lifting, therefore will not generate makes leg bending, body retreat
The uncomfortable sense faced upward, solve the problems, such as traditional push chairs can not automatic adjusument tread length, while the adjusting of tread length
It is to be completed in the case where passive delivery.
Due to tread length can be adaptive adjustment, as long as imposing some power on pedal, pedal can be easily down to
Ground greatly facilitates wheelchair up and down in this way, that is, user can step on the pedal realization wheelchair for touching bottom surface, be stepped on
Pedal is not easy to raise legs and feet person wheelchair is very convenient up and down without height so that old and frail；Simultaneously because pedal contacts ground,
There is no difference in height with ground, improve the bearing capacity of pedal significantly, avoids existing pedal and usually stepped on disconnected, showing of trampling on
As, while also can avoid existing wheelchair and will cause the phenomenon that wheelchair is tumbled when under larger leg-power acts on, make wheelchair using more
Add safety.
Detailed description of the invention
Fig. 1 is the structure diagram of the wheelchair pedal device of embodiment 1.
Fig. 2 is the AA cross-sectional view of the structure diagram of the wheelchair pedal device of Fig. 1 embodiment 1.
Fig. 3 is the structure diagram of the wheelchair pedal device of embodiment 2.
Fig. 4 is the structure diagram of the wheelchair pedal device of embodiment 3.
Fig. 5 is the structure diagram of the wheelchair pedal device of embodiment 4.
Fig. 6 is the three dimensional structure diagram (vertical to place) of the wheelchair pedal device of embodiment 5.
Fig. 7 is the three dimensional structure diagram (horizontal positioned) of the wheelchair pedal device of embodiment 5.
Fig. 8 is the cross-sectional view of the wheelchair pedal device of embodiment 5.
Fig. 9 is the B direction view of the cross-sectional view of the wheelchair pedal device of embodiment 5.
Figure 10 is the cross-sectional view of the wheelchair pedal device of embodiment 6.
Figure 11 is the A direction view of the cross-sectional view of the wheelchair pedal device of embodiment 6.
Figure 12 is status diagram when wheelchair pedal is in extreme lower position.
Figure 13 is status diagram when wheelchair pedal is rotated to extreme higher position.
Figure 14 is the structural schematic diagram from magnet bolt (under energized state).
Figure 15 is the structural schematic diagram from magnet bolt (under off-position).
Figure 16 is that (wheelchair pedal is directly articulated with the feelings of seat for status diagram when wheelchair pedal is in extreme lower position
Shape).
Figure 17 is that (wheelchair pedal is directly articulated with the feelings of seat for status diagram when wheelchair pedal is rotated to extreme higher position
Shape).
Figure 18 is the structural schematic diagram of the profile on wheelchair pedal.
Specific embodiment
The present invention program is described in detail with reference to the accompanying drawing.
Embodiment 1
Such as Fig. 1, the wheelchair pedal device of the present embodiment is set to the lower end of seat 7, mainly by treadle supporting column 1, adjusting set
2, pedal 3, Flexible element and telescopic support bar group are at wherein Flexible element uses gas spring 4, telescopic support rod
Using push-rod electric machine 5.The upper end of treadle supporting column 1 and the upper end of push-rod electric machine 5 are mutually articulated on seat 7 by compartment of terrain, are stepped on
Plate support column lower end and the lower end of push-rod electric machine 5 are hinged.The adjusting set 2 being set on pedal 3 is socketed treadle supporting column 1, the two
It can opposite sliding.The both ends of gas spring 4 are respectively articulated with treadle supporting column 1 and adjusting set 2.
Such as Fig. 2, adjusting set 2 is non-close body that is compatible with treadle supporting column 1 and being equipped with opening, is set in pedal
On support column, opening 28 and the lower end of the treadle supporting column 1 that is placed in adjusting set 2 in of the lower end of push-rod electric machine 5 by adjusting set 2
Connection.
The upper end of gas spring 4 in the present embodiment is hinged on the upper end of treadle supporting column 1, and the lower end of gas spring 4 is hinged on
On the corresponding position of adjusting set 2.When external force is on pedal 3, such as foot steps down on pedal 3, which makes 4 quilt of gas spring
It stretches, thus adjusting set 2 is come with 2 slide downward of adjusting set according to user with respect to 1 slide downward of treadle supporting column, pedal force
The long length that pedal is adaptively adjusted of leg.When external force disappears, i.e., foot no longer steps down on pedal 3, the upward return of Flexible element 4,
Adjusting set 2 returns back to the initial position of pedal with respect to 1 upward sliding of treadle supporting column.
Pedal 3 is to be articulated on treadle supporting column 1 by torsional spring, therefore pedal in the state of initial position is to step under normality
Plate is turned down under the action of torsional spring to the state being bonded with treadle supporting column 1, thus can be saved space, not will form gear also and mix.
When push-rod electric machine 5 works, push-rod electric machine 5 pushes treadle supporting column 1 around the upper end by stretching out for push rod
It is rotated with the hinge joint of seat 7, thus adjusts the angle of pedal.When pedal rotates lifting under the action of push-rod electric machine 5, gas
Spring is stretched, and adjusting sleeve is slided along treadle supporting column, and tread length (radius of gyration) will be done adaptively according to the length of people's leg
Adjustment, so that legs and feet is in comfort conditions always, be not in as, in pedal lifting, user leg is jacked up in existing technology
Situation.
The pedal of above-mentioned the present embodiment is due to the near bottom surface of energy, and during user gets on or off the bus, pedal is not re-formed
Shelves are stumbled；When getting on the bus, pedal can directly be stepped on pedal by user, directly be stepped down in padded dynamic to complete to get on the bus by pedal on pedal
Make.When stepping on pedal, support column is motionless, and adjusting set is moved downward along support column, and drive is connected thereto gas spring one end and transports upwards
It is dynamic, so that gas spring is pressurized.User can directly step on pedal to ground, conveniently get off.When user's foot leaves pedal, pedal exists
Return under the action of gas spring.
Embodiment 2
The set-up mode of gas spring 4 in the present embodiment is different from embodiment 1, and pedal 3 is along 1 slide downward of treadle supporting column
When, gas spring 4 is in compressive state.
Such as Fig. 3, the upper end of the gas spring 4 in the present embodiment is hinged on the corresponding position of adjusting set 2, under gas spring 4
End is hinged on the lower end of treadle supporting column 1.When external force is on pedal 3, such as foot steps down on pedal 3, which makes bullet
Property unit 4 compressed, adjusting set 2 is with respect to 1 slide downward of treadle supporting column, and pedal force is with 2 slide downward of adjusting set.
The other structures of the present embodiment are identical as above-described embodiment 1 to be repeated no more.
Embodiment 3
Such as Fig. 4, the telescopic support rod in the present embodiment uses gas spring 5, locks gas spring until gas spring 5, passes through
It holds handle and executes unlock operation, release handle gas spring is realized self-locking.The other structures of the present embodiment and 1 phase of above-described embodiment
It is same to repeat no more.
In treadle supporting 1 initial position of column, gas spring 5 is in compressive state, answers when user holds handle gas spring 5
Position elongation, pushes treadle supporting column 1 to rotate counterclockwise, and gas spring 4 is long adaptively according to the leg of user during rotation
The position of pedal 3 is adjusted, to ensure the comfort level of user.When pedal reaches the height and position of user's anticipation, pass through pine
Opening handle keeps gas spring 5 self-locking, and the position for completing pedal is adjusted.Pedal 3 needs user first to hold handle when resetting, then passes through
External force resists treadle supporting column 1 and pushes to seat side, and whole process can be realized by user's leg action, very convenient.
Embodiment 4
Such as Fig. 5, Flexible element uses mechanical spring 4 in the present embodiment, and other structures are identical with above-described embodiment 1 no longer to go to live in the household of one's in-laws on getting married
It states.
Embodiment 5
Support rod in the present embodiment uses electric pushrod, and Flexible element uses gas spring.
Such as Fig. 6, Fig. 7, the treadle supporting column 1 of the present embodiment is installed on the bottom of seat 7 by a runing rest 6.Rotation
Bracket includes the second hinged seat on connecting plate 60 and the first hinged seat 62 being respectively arranged on connecting plate upper surface and lower end surface
61, the first hinged seat depth of seat cushion opposite with the second hinged seat direction has spacing, and the upper end of treadle supporting column is articulated with first
Hinged seat, runing rest 6 is hinged by the second hinged seat 61 and push-rod electric machine 5, and runing rest is connected by the upper surface of connecting plate
It connects in the bottom of seat.
Such as Fig. 8, Fig. 9, adjusting set 2 is connect by a mounting plate 21 with 4 upper end of gas spring, the lower end of gas spring 4 and pedal
Support column 1 is hinged.Thus gas spring 4 compresses shape to when moving far from lower end, gas spring 4 is in along treadle supporting column 1 in pedal 3
State.Such as Fig. 2, Figure 18, adjusting set 2 is the semiclosed body equipped with opening, and adjusting set 2 is socketed on treadle supporting column 1, pusher bar support
11 are set in opening in order to avoid hindering the sliding axially along treadle supporting column 1 of adjusting set 2.
Meanwhile 1 lower end of treadle supporting column of the present embodiment is hinged by pusher bar support 11 and 5 lower end of push-rod electric machine.Push rod
Bracket 11 is equipped with gas spring backing pin 14, which is arranged in the side of gas spring 4, prevents gas spring to radial one
The tilting of side.
It is possible to the deformation on non axial in order to preferably place Flexible element and constrain Flexible element, in treadle supporting
The side of column 1 is equipped with mounting groove 12, and gas spring 4 is set in mounting groove 12.
Such as Figure 12, the original state of the present embodiment wheelchair pedal, pedal, which passes through, can be placed in very low position, above and below user
Wheelchair is convenient, when getting on the bus, does not need to raise legs and feet；Pedal can be made to be promoted to complete to get on the bus by gas spring, it, can be direct when getting off
Pedal is stepped on to get off, when stepping on pedal, support column is motionless, adjusting set drive gas spring upper end move down, cause gas spring by
Pressure, pedal are down to ground and press touching on the ground, by the pressure on ground loading pedal, substantially increase the carrying energy of pedal
Power.Such as Figure 13, wheelchair pedal is lifted with pedal assembly, and gas spring stress pedal can be according to the length of people's leg in passive delivery
Under the premise of, the adjust automatically of tread length is completed, state and waist are rolled up by what jack-up occurred in leg when avoiding pedal lifting
Arching for back, solves the problems, such as shearing difference when pedal lifting.
In addition, in order to make wheelchair pedal in be capable of fixing on treadle supporting column 1 when sliding axially along treadle supporting column 1
Any position, the present embodiment are additionally arranged self-lock pin 22 in adjusting set 2, and self-lock pin 22 is axially displaceably set to adjusting set 2 one
Side, 2 corresponding position of adjusting set are equipped with pin hole, and self-lock pin 22 protrudes into 2 inside of adjusting set by pin hole and is closely against treadle supporting column 1
On, the position for making treadle supporting column currently correspond to self-lock pin is locked.Self-lock pin 22 and treadle supporting column 1 tight against when, step on
Plate support column 1 makes adjusting set 2 keep the self-locking of opposing stationary completion adjusting set 2 with treadle supporting column 1.
Such as Figure 14, Figure 15, the self-lock pin 22 of the present embodiment be from magnet bolt, from the internal electric source circuit of magnet bolt with
The communication connection of one controller, controller control self-lock pin by electromagnet 223 by the switching of control DC power supply circuit
Mandril 221 and treadle supporting column tight against, be detached from, accordingly realize locking, unlock of the adjusting set relative to treadle supporting column.It is self-locking
Pin 22 is realized by return spring 222 to be resetted.
Such as Figure 18, the support column and adjusting set 2 of the present embodiment use compatible inner profile 1 and outer profile 2, inner profile 1
It is slideably plugged in outer profile 2.Inner profile 1 has the connecting rib 17 being arranged along its length and two rectangle frames 18 arranged side by side
Composition.Connecting rib 17 is arranged between two rectangle frames 18 and connects two rectangle frame 18, formed it is being arranged along its length and
Scarfing slot 110 and Flexible element placing groove 12 in 17 two sides of connecting rib.Outer profile 2 includes open type rectangle frame 23 and interlocking
Protrusion 24.The one side of open type rectangle frame 23 is equipped with opening 231.Interlocking protrusion 24, which is arranged in against side, is equipped with opening 231
It on the symmetrical center positions of 23 medial surface of rectangle frame, and is adapted with the scarfing slot of inner profile 1 110, so that support column and adjusting
Set 2 reciprocally well positions.
In order to make interior outer profile reduce friction in mutual sliding, the face that inner profile 1 and outer profile 2 fit is equipped with three
A antifriction hole 111 for being used to place antifriction stick 19.Three distributions triangular in shape of antifriction hole 11.Each antifriction hole 111 by setting respectively
It sets and combines to be formed with the semi arch hole on 2 corresponding position of outer profile in inner profile 1.The number in antifriction stick 19 and antifriction hole 111 is not
It is limited to three.
Be respectively equipped on the medial surface of two 18 liang of outer side edges of rectangle frame arranged side by side in inner profile 1 be arranged along its length it is convex
Muscle 112, and convex ribs 112 are equipped with the not closed installation hole slot 113 being arranged along its length, the corner location on the inside of outer profile
Place is respectively equipped with the not closed installation hole slot being arranged along its length, installs radian corresponding to the not closed arc length of hole slot
No more than 90 °.The setting of hole slot is installed, can conveniently interior outer profile screw hole required during installation be formed, need to form installation
It is achievable as long as tapping on the corresponding installation hole slot of the profile ends in interception when screw hole, greatly reduce screw hole processing
Amount of machining.Installation hole slot is arranged to not blind bore simultaneously, convenient for the production of part mould.
Embodiment 6
As the adjusting set 2 of Figure 10, Figure 11, the present embodiment are connect by a mounting plate 21 with gas spring 4.It is set on mounting plate 21
There is the first connecting pin 41, the first connecting pin 41 is connect with gas spring 4.Gas spring 4 passes through the second connecting pin 42 and treadle supporting column 1
Connection, the second connecting pin 42 are set to the upper end 15 of treadle supporting column 1.It follows that gas spring 4 is in pedal 3 along treadle supporting column 1
Tensional state is in when generating displacement far from lower end.
The self-lock pin 22 of another aspect the present embodiment is manual bolt, and manual pin 22 is equipped with screw thread and one end is equipped with knob
Disk 25.Pin hole in adjusting set 2 is screw hole compatible with screw thread on manual pin 22, and manual pin 22 is axially moved by the screw hole that is screwed on
It is dynamic, the knob wheel 25 that turn is sold manually.The end sold manually is closely against on treadle supporting column 1 to 2 medial movement of adjusting set,
The position for making treadle supporting column 1 currently correspond to self-lock pin 22 is locked.
The other structures of the present embodiment are identical as above-described embodiment 5 to be repeated no more.
Embodiment 7
The Flexible element 4 of the present embodiment is mechanical spring 4, and treadle supporting column 1, adjusting set 2 are distinguished in the both ends of mechanical spring 4
Connection returns back to the first of pedal so that pedal, which is realized by adjusting set along treadle supporting column 1, can be realized reset response after being displaced
Beginning position.
The other structures of the present embodiment are identical as above-described embodiment 5 to be repeated no more.
Embodiment 8
Such as Figure 16, Figure 17, the wheelchair pedal of the present embodiment is connected on seat 7.Wheelchair pedal is mainly by treadle supporting column
1, adjusting set 2, pedal 3, Flexible element 4 and push-rod electric machine 5 form.One end of treadle supporting column 1 is upper end 15, and upper end 15 is cut with scissors
It is connected to seat 7, the other end is lower end 16, and lower end 16 and the push rod 51 of push-rod electric machine 5 are hinged.Push-rod electric machine 5 and seat 7 are hinged,
Adjusting set 2 is slidably connected to side of the treadle supporting column 1 relative to lower end 16.Flexible element 4 respectively with treadle supporting column 1, adjust
2 connection of section set, pedal 3 are connect with adjusting set 2.
In order to preferably place Flexible element and constrain posture of the Flexible element when generating deformation, the present embodiment is being stepped on
The side of plate support column 1 offers mounting groove, and Flexible element 4 is set in mounting groove 12.Flexible element 4 is gas spring 4, gas bullet
The both ends difference treadle supporting column 1 of spring 4, adjusting set 2 connect, and are displaced so that pedal is realized by adjusting set along treadle supporting column 1
After can be realized reset response, return back to the initial position of pedal.
Such as Fig. 8, Fig. 9, adjusting set 2 is connect by a mounting plate 21 with gas spring 4.Mounting plate 21 is equipped with the first connecting pin
41, the first connecting pin 41 is connect with gas spring 4.Gas spring 4 is connect by the second connecting pin 42 with treadle supporting column 1, and second connects
Outbound 42 is set to the lower end 16 of treadle supporting column 1.It follows that gas spring 4 is produced along treadle supporting column 1 far from lower end in pedal 3
Compressive state is in when raw displacement.Such as Fig. 2, Figure 18, adjusting set 2 is the semiclosed body equipped with opening, and adjusting set 2, which is socketed on, steps on
Plate support column 1, pusher bar support 11 are set in opening in order to avoid hindering the sliding axially along treadle supporting column 1 of adjusting set 2.
The lower end 16 of treadle supporting column 1 is hinged by the push rod 51 of pusher bar support 11 and push-rod electric machine 5.On pusher bar support 11
Equipped with gas spring backing pin 42, gas spring backing pin 42 and the corresponding end of gas spring 4 offset, and prevent gas spring from tilting.Adjusting set 2 is to set
There is the semiclosed body of opening, adjusting set 2 is socketed on treadle supporting column 1, and pusher bar support 11 is set in opening in order to avoid hindering to adjust
Cover 2 sliding axially along treadle supporting column 1.
In order to make wheelchair pedal any on treadle supporting column 1 along being capable of fixing when sliding axially for treadle supporting column 1
Position, the present embodiment are additionally arranged self-lock pin 22 in adjusting set 2, self-lock pin 22 and treadle supporting column 1 tight against when, treadle supporting
Column 1 makes adjusting set 2 keep the self-locking of opposing stationary completion adjusting set 2 with treadle supporting column 1.
Such as Figure 14, Figure 15, the self-lock pin 22 of the present embodiment be from magnet bolt, from the internal electric source circuit of magnet bolt with
The communication connection of one controller, controller control self-lock pin by electromagnet 223 by the switching of control DC power supply circuit
Mandril 221 and treadle supporting column tight against, be detached from, accordingly realize locking, unlock of the adjusting set relative to treadle supporting column.It is self-locking
Pin 22 is realized by return spring 222 to be resetted.
The treadle supporting column 1 and adjusting set 2 of the present embodiment are all made of outer profile in as described in Example 5.
Figure 16 is the most common initial attitude of wheelchair, and pedal can interfere getting on or off the bus for user under the posture；When getting on the bus, step on
Plate, which lands, can be used for padded, and when getting off, user can also directly step on pedal and get off.When stepping on pedal, support column is motionless, adjusts
Cuff is taken offence, and drive gas spring output end moves spring movable plate down in turn, causes gas spring to be pressurized, enables pedal direct
Ground is contacted, the bearing capacity of pedal is substantially increased.Such as Figure 17, wheelchair pedal is lifted with pedal assembly, gas spring stress
Pedal can complete the adjust automatically of tread length according to the length of people's leg under the premise of passive delivery, avoid pedal lift
When rising leg by jack up occur roll up arching for state and back, solve the problems, such as shearing difference when pedal lifting.
The wheelchair pedal device of above-mentioned more then embodiments when in use, as pedal assembly is lifted, gas spring stress pedal
The suitable position of support column can be placed into according to the length of people's leg, leg is jacked up rolling up for appearance when avoiding pedal lifting
Arching for state and back, solves the problems, such as shearing difference when pedal lifting.Solving traditional push chairs manually adjusts pedal simultaneously
The problem of length, completes the adjust automatically of tread length under the premise of passive delivery.
On the other hand also solve the problems, such as that user gets on or off the bus, during getting on or off the bus, pedal can be down to ground
No longer it is in the way；When getting on the bus, pedal can be used for it is padded complete to get on the bus, when getting off, user can also directly step on pedal and get off.It steps on
Stretching for plate, enables pedal to directly touch the ground, substantially increases the bearing capacity of pedal.
Deceleration unit provided by the invention is described in detail above, in order to understand that the present invention and its core think
Think.For those of ordinary skill in the art, in the specific implementation, can core concept according to the present invention carry out a variety of modifications and
It deduces.To sum up, this specification is not construed as limitation of the present invention.
Claims (19)
1. a kind of wheelchair pedal device is set on seat, it is characterised in that: including pedal, treadle supporting column, adjusting set, elasticity
The upper end of unit and telescopic support rod, the treadle supporting column and support rod is hingedly connected to the different location of seat
On, the lower end of treadle supporting column is articulated with the lower end of support rod, and the adjusting is set on pedal, and the pedal branch that is slidably connected
Dagger, the Flexible element are laid along treadle supporting column length direction, and both ends are hingedly connected to treadle supporting column and adjusting set.
2. wheelchair pedal device according to claim 1, it is characterised in that the support rod is push-rod electric machine or gas spring.
3. wheelchair pedal device according to claim 1, it is characterised in that: the wheelchair pedal device further includes a rotation
Bracket, the runing rest are installed on the bottom of seat, and the corresponding end of support rod and treadle supporting column is hingedly connected to rotation branch
Frame.
4. wheelchair pedal device according to claim 3, it is characterised in that: the runing rest includes connecting plate and difference
The second hinged seat on the first hinged seat and lower end surface on connecting plate upper surface, the first hinged seat and the second hinged seat phase
There is spacing to depth of seat cushion direction, the upper end of the treadle supporting column is articulated with the first hinged seat, the upper end of the support rod
It is articulated with the second hinged seat, runing rest is connected to the bottom of seat by the upper surface of connecting plate.
5. wheelchair pedal device according to claim 1, it is characterised in that: the treadle supporting column is equipped with along pedal branch
The mounting groove of brace length direction setting, the Flexible element are set in mounting groove.
6. wheelchair pedal device according to claim 1, it is characterised in that: the lower end of the treadle supporting column is equipped with push rod
The lower end of bracket, treadle supporting column is hinged by the lower end of pusher bar support and support rod.
7. wheelchair pedal device according to claim 6, it is characterised in that: the adjusting set be and treadle supporting column Xiang Shi
Match and be equipped with the non-close body of opening, which is set on treadle supporting column, the push rod that treadle supporting column lower end is equipped with
Bracket is in the aperture position of adjusting set, and pusher bar support is stretched out hinged with one end of support rod outside adjusting set by the opening.
8. wheelchair pedal device according to claim 1, it is characterised in that: the upper end of the Flexible element is articulated with adjusting
Set, the lower end of Flexible element is articulated with the lower end of treadle supporting column, and when adjusting set is with respect to treadle supporting column slide downward, elasticity is single
Member is compressed.
9. wheelchair pedal device according to claim 1, it is characterised in that: the lower end of the Flexible element is articulated with adjusting
Set, the upper end of the Flexible element is articulated with the upper end of treadle supporting column, when adjusting set is with respect to treadle supporting column slide downward, bullet
Property unit is stretched.
10. wheelchair pedal device according to claim 8 or claim 9, it is characterised in that: be connected with an installation in the adjusting set
Plate, adjusting set pass through the lower end of the hinged Flexible element of mounting plate or the upper end of Flexible element.
11. wheelchair pedal device according to claim 1, it is characterised in that the Flexible element is gas spring or mechanical elastic
Spring.
12. wheelchair pedal device according to claim 1, it is characterised in that: the wheelchair pedal device further includes self-locking
Pin, the self-lock pin are axially displaceably set to adjusting set side, and adjusting set corresponding position is equipped with pin hole, and self-lock pin passes through pin hole
It protrudes on the inside of adjusting set and is closely against on treadle supporting column, the position for making treadle supporting column currently correspond to self-lock pin is locked.
13. wheelchair pedal device according to claim 12, it is characterised in that: the self-lock pin be from magnet bolt or
Pin manually.
14. wheelchair pedal device according to claim 13, it is characterised in that: the manual pin is equipped with screw thread and one end
Equipped with knob wheel；Pin hole in the adjusting set is screw hole compatible with the upper screw thread of manual pin, and pin is described by being screwed on manually
Screw hole axial movement, the knob wheel that turn is sold manually, the end sold manually is closely against treadle supporting to adjusting set medial movement
On column, the position for making treadle supporting column currently correspond to self-lock pin is locked.
15. wheelchair pedal device according to claim 1, it is characterised in that: the treadle supporting column is with adjusting set
Profile structure, and it is respectively pluggable and be adapted inner profile and outer profile.
16. a kind of profile on wheelchair pedal, it is characterised in that: the profile includes inner profile and outer profile, it is described in
Profile is slideably plugged in outer profile；The inner profile includes the connecting rib being arranged along its length and two squares arranged side by side
Shape frame, connecting rib are arranged between two rectangle frames and connect two rectangle frame, form the be arranged along its length and company of being in
Connect the scarfing slot and Flexible element placing groove of gusset two sides；The outer profile includes that open type rectangle frame and interlocking are raised, described to open
The one side of formula rectangle frame is equipped with opening, and pair that the rectangle frame medial surface of opening is equipped with against side is arranged in the interlocking protrusion
Claim on center, and is adapted with the scarfing slot of inner profile.
17. the profile according to claim 16 on wheelchair pedal, it is characterised in that: inner profile is affixed with outer profile
At least provided with three for placing the antifriction hole of antifriction stick, three antifriction hole distributions triangular in shape, each antifriction hole on the face of conjunction
It is combined with the semi arch hole on outer profile corresponding position by being separately positioned on inner profile and is formed.
18. the profile according to claim 17 on wheelchair pedal, it is characterised in that: two side by side in the inner profile
Outer rectangular frame side medial surface on be respectively equipped with the convex ribs being arranged along its length, and convex ribs are equipped with and set along its length
The not closed installation hole slot set, and radian corresponding to not closed arc length is not more than 90 °.
19. the profile according to claim 18 on wheelchair pedal, it is characterised in that: four on the inside of the outer profile
Angular position is respectively equipped with the not closed installation hole slot being arranged along its length, and radian corresponding to not closed arc length is not
Greater than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541613.1U CN209422285U (en) | 2017-11-17 | 2017-11-17 | A kind of wheelchair pedal device and the profile on wheelchair pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541613.1U CN209422285U (en) | 2017-11-17 | 2017-11-17 | A kind of wheelchair pedal device and the profile on wheelchair pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209422285U true CN209422285U (en) | 2019-09-24 |
Family
ID=68000293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721541613.1U Active CN209422285U (en) | 2017-11-17 | 2017-11-17 | A kind of wheelchair pedal device and the profile on wheelchair pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209422285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802424A (en) * | 2017-11-17 | 2018-03-16 | 南京康尼机电股份有限公司 | A kind of wheelchair pedal device and the section bar on wheelchair pedal |
| CN111407536A (en) * | 2020-04-02 | 2020-07-14 | 浙江大学 | Parkinson's disease patient activity auxiliary device |
-
2017
- 2017-11-17 CN CN201721541613.1U patent/CN209422285U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802424A (en) * | 2017-11-17 | 2018-03-16 | 南京康尼机电股份有限公司 | A kind of wheelchair pedal device and the section bar on wheelchair pedal |
| CN107802424B (en) * | 2017-11-17 | 2024-06-04 | 南京康尼机电股份有限公司 | Wheelchair pedal device and profile for wheelchair pedal |
| CN111407536A (en) * | 2020-04-02 | 2020-07-14 | 浙江大学 | Parkinson's disease patient activity auxiliary device |
| CN111407536B (en) * | 2020-04-02 | 2021-04-09 | 浙江大学 | Parkinson's disease patient activity auxiliary device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: 210038 No. 19 Hengda Road, Nanjing economic and Technological Development Zone, Jiangsu, China Patentee after: Nanjing Kangni Mechanical & Electrical Co.,Ltd. Address before: 210013, Gu Ping Gang 4, Gulou District, Jiangsu, Nanjing Patentee before: NANJING KANGNI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |