CN209172747U - Wheelchair and wheelchair combination cot - Google Patents

Abstract

The utility model provides a kind of wheelchair and wheelchair combination cot, it is related to technical field of medical equipment, wheelchair provided by the utility model includes travel driving unit and the carrying ontology above travel driving unit, carrying ontology includes sequentially connected dependence component, cushion component and leg assembly, in which: leans on and is equipped between component and cushion component for driving the backrest driving device for leaning on component and rotating relative to cushion component；The supporting leg driving device for driving leg assembly to rotate relative to cushion component is equipped between leg assembly and cushion component.Wheelchair provided by the utility model does not need handicapped patient or old man and shifts between bed and wheelchair, facilitates looking after for family members, avoids many troubles.

Description

Wheelchair and wheelchair combination cot

Technical field

The utility model relates to technical field of medical equipment, more particularly, to a kind of wheelchair and wheelchair combination cot.

Background technique

Wheelchair is that patient and the important of the elderly use tool, it can not only be used as walking-replacing tool, it is often more important that So that them is carried out physical exercise by means of wheelchair and is participated in social activities, avoids lying in bed for a long time.

Existing wheelchair is usually using fixed structure, and patient or the elderly are merely able to be sitting on wheelchair, this just makes When obtaining patient and the elderly's needs activity, nursing staff is needed to be transferred to patient or the elderly on wheelchair from the bed, this The movement of series increases the difficulty of nursing, and is also unfavorable for the recuperation of patient, does not pay attention to the disease for being easy for making patients slightly Feelings.

Therefore, how a kind of wheelchair for avoiding patient or old man from being shifted between bed and wheelchair and wheelchair group are provided Closing bed is one of those skilled in the art's technical problem to be solved.

Utility model content

The purpose of this utility model is to provide a kind of wheelchairs, inconvenient to solve wheelchair use process in the prior art The technical issues of.In addition a kind of wheelchair combination cot using above-mentioned wheelchair is provided.

The utility model provides a kind of wheelchair, including travel driving unit and holding above the travel driving unit Ontology is carried, the carrying ontology includes sequentially connected dependence component, cushion component and leg assembly, in which:

It is equipped between the dependence component and the cushion component for driving the dependence component relative to the cushion The backrest driving device of component rotation；

It is equipped between the leg assembly and the cushion component for driving the leg assembly relative to the cushion The supporting leg driving device of component rotation.

Further, the travel driving unit includes moving assembly, support component and vertical driving device, described vertical Driving device is connect with the moving assembly and the support component respectively, and the vertical driving device is for driving the support Component is relative to the moving assembly vertical motion.

Further, the moving assembly includes frame body, front-wheel, rear-wheel and Wheel space adjusting device, in which:

The frame body includes front wheel supporting frame and the rear wheel support frame that is slidably connected with the front wheel supporting frame；

The front-wheel is connect with the front wheel supporting frame；

The rear-wheel is connect with the rear wheel support frame；

The Wheel space adjusting device is connect with the front wheel supporting frame and the rear wheel support frame respectively, and the wheelspan is adjusted Device for driving the rear wheel support frame mobile relative to the front wheel supporting frame, with extend or shorten the front-wheel with it is described The distance between rear-wheel.

Further, the support component include cushion bracket, leg brackets and respectively with the cushion bracket and described The carriage drive device of leg brackets connection, the carriage drive device is for driving the leg brackets along the cushion branch The extending direction of frame is mobile.

Further, the dependence component includes backrest, lies to rest the head on and lie and rest the head on driving device, in which:

The backrest and described lie are rested the head on hingedly；

Described lie rests the head on driving device respectively with the backrest and the pillow connection of lying, and described lie rest the head on driving device for driving The pillow of lying rotates relative to the backrest and locks the position of the pillow relative to the backrest of lying.

Further, the pillow of lying includes lying to rest the head on frame and two connecting plates being oppositely arranged, two connecting plates and institute State backrest connection, two connecting plates and it is described lie to rest the head on to be equipped between frame rest the head on frame relative to the connection for adjusting described lie The adjusting component of plate height, the adjusting component are rested the head on driving device and are connect with described lie.

Further, the cushion component includes preceding cushion part, recoil pad portion and preceding cushion driving device, in which:

The preceding cushion part and the recoil pad portion are hinged；

The preceding cushion driving device is connect with the travel driving unit and the preceding cushion part respectively, the preceding cushion Driving device is for driving the preceding cushion part to rotate relative to the recoil pad portion and locking the preceding cushion part relative to institute The position in recoil pad portion is stated, so that the preceding cushion part and the recoil pad portion form the pit for accommodating buttocks.

Further, the leg assembly includes leg support frame, pedal and pedal driving device, in which:

The pedal and the leg support frame are hinged；

The pedal driving device is connect with the pedal and the leg support frame respectively, and the pedal driving device is used for It drives the pedal to rotate relative to the leg support frame and locks position of the pedal relative to the leg support frame.

Further, the leg assembly further includes stabilizer blade and branch foot driving device, the branch foot driving device respectively with The pedal is connected with the stabilizer blade, and the branch foot driving device is for driving the stabilizer blade to rotate and lock relative to the pedal Fixed position of the stabilizer blade relative to the pedal, the stabilizer blade are used to support the pedal.

Further, further include slideway driving device and be respectively arranged on it is described carrying ontology two sides two groups of armrest assemblies, The armrest assembly includes handrail, connecting rod and bending slideway, in which:

The slideway driving device is set on the travel driving unit, and the slideway driving device and the bending are slided The one end in road connects, and the slideway driving device is for driving the bending slideway to rotate relative to the travel driving unit；

The both ends of the handrail respectively with the first end of the connecting rod and the dependence member hinges；

The second end of the connecting rod is slidably connected with the bending slideway；

When the bending slideway is in the first station, the connecting rod can be slided along the bending slideway；When described curved When Curved-slipway is in second station, the second end of the connecting rod is locked in the bending slideway close to the slideway driving device One end.

Further, it is equipped with control stick in the handrail in any one of armrest assembly and joystick driver fills It sets, the joystick driver device is for driving the control stick to stretch out inside the handrail and the retraction handrail.

The utility model also provides a kind of wheelchair combination cot, including wheelchair described in bed body, locking device and above scheme, The locking device point is connect with the bed body and the wheelchair, when the locking device is in the lock state, described in locking Relative position of the bed body relative to the wheelchair, when the locking device is in the unlocked state, release the bed body with it is described The locking of wheelchair.

Further, the bed body includes sequentially connected bedstead ontology, sliding rack and connection frame, in which:

The bedstead ontology is equipped with multiple guide rails and for guiding the bedstead ontology and the travel driving unit to match The guiding device of conjunction；

The locking device is connect with the bedstead ontology and the sliding rack respectively, for driving the sliding rack along institute It is mobile to state guide rail；

The connection frame is equipped with the multiple pin shafts cooperated with the wheelchair towards the side of the wheelchair.

Wheelchair and wheelchair combination cot provided by the utility model can generate it is following the utility model has the advantages that

In wheelchair provided by the utility model, travel driving unit carries ontology for driving carrying ontology to be moved For carrying human body, backrest driving device leans on component relative to the rotation of cushion component for driving, and supporting leg driving device is used for Leg assembly is driven to rotate relative to cushion component, cushion component is used to carry the buttocks of human body, leans on component for carrying people Position more than body buttocks, leg assembly is for carrying human buttock position below.

When people are converted into semi-lying or lying status by chair state, dependence group can be driven by backrest driving device Part faces away from the side rotation of human body relative to cushion component, slowly to reduce the tilt angle of upper body, passes through at the same time The side that supporting leg driving device drives leg assembly to face away from human body relative to cushion component rotates, slowly to lift human body Leg.When people are converted into chair state by semi-lying or lying status, can also be driven by backrest driving device and supporting leg Device, which respectively drives, leans on component and leg assembly, slowly to increase the tilt angle of upper body and put down human leg.

Wheelchair provided by the utility model can be partial to adjust respectively by backrest driving device and supporting leg driving device The angle rotated by component and leg assembly relative to cushion component.For compared with the existing technology, people can be with semi-lying or flat It lies on wheelchair provided by the utility model, can also come with chair on wheelchair especially for patient, the old man of legs and feet inconvenience It says, when action does not need to be shifted between bed and wheelchair, facilitates looking after for family members, avoids many troubles.

It, can when patient or old man are in semi-lying or lying status in wheelchair combination cot provided by the utility model To use the relative position of locking device locking bed body and above-mentioned wheelchair, to increase the rest area of patient or old man, use It is more comfortable in the process.When patient or old man are in chair state, can be used locking device release bed body with it is above-mentioned The lock state of wheelchair, to discharge above-mentioned wheelchair, the movement of Convenient wheelchair.For compared with the existing technology, the utility model is mentioned The wheelchair combination cot of confession enables in patient or old man's use process more comfortably, and will not account for when wheelchair movement With excessive area, there is stronger practicability.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the three dimensional structure diagram when wheelchair that the utility model embodiment one provides is in chair state；

Fig. 2 is the three dimensional structure diagram when wheelchair that the utility model embodiment one provides is in semi-lying state；

Fig. 3 is the three dimensional structure diagram when wheelchair that the utility model embodiment one provides is in lying status；

Fig. 4 is the three dimensional structure diagram for the travel driving unit that the utility model embodiment one provides；

Fig. 5 is the three dimensional structure diagram for the moving assembly that the utility model embodiment one provides；

Fig. 6 is the three dimensional structure diagram for the support component that the utility model embodiment one provides；

Fig. 7 is the three dimensional structure diagram for the dependence component that the utility model embodiment one provides；

Fig. 8 is the three dimensional structure diagram for the cushion component that the utility model embodiment one provides；

Fig. 9 is the three dimensional structure diagram for the leg assembly that the utility model embodiment one provides；

Figure 10 is the three dimensional structure diagram for the handrail that the utility model embodiment one provides；

Figure 11 is the three-dimensional structure signal when wheelchair combination cot that the utility model embodiment two provides is in semi-lying state Figure；

Figure 12 is the three-dimensional structure signal when wheelchair combination cot that the utility model embodiment two provides is in lying status Figure；

Figure 13 is the three dimensional structure diagram for the bed body that the utility model embodiment two provides；

Figure 14 is the rearview for the bed body that the utility model embodiment two provides.

Icon: 1- travel driving unit；11- moving assembly；111- frame body；1111- front wheel supporting frame；After 1112- Wheeling supporting frame；112- front-wheel；113- rear-wheel；114- Wheel space adjusting device；12- support component；121- cushion bracket； The first locating part of 1211-；The second locating part of 1212-；122- leg brackets；123- carriage drive device；13- drives vertically Dynamic device；2- carries ontology；21- leans on component；211- backrest；212- lies pillow；2121-, which lies, rests the head on frame；2122- connection Plate；2123- adjusts component；213-, which lies, rests the head on driving device；22- cushion component；Cushion part before 221-；222- recoil pad portion； Cushion driving device before 223-；23- leg assembly；231- leg support frame；232- pedal；233- pedal driving device； 234- stabilizer blade；235- branch foot driving device；24- backrest driving device；25- supporting leg driving device；3- slideway driving dress It sets；4- armrest assembly；41- handrail；411- control stick；412- joystick driver device；42- connecting rod；43- bending is slided Road；5- bed body；51- bedstead ontology；511- guide rail；512- guiding device；52- sliding rack；53- connection frame；531- pin Axis；6- locking device；The first drive rod of 61-；The second drive rod of 62-.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

Embodiment one:

The purpose of the present embodiment is that provide a kind of wheelchair, as shown in Figure 1 to Figure 3, including travel driving unit 1 and it is set to The carrying ontology 2 of 1 top of travel driving unit, carrying ontology 2 include sequentially connected dependence component 21, cushion component 22 and branch Leg assembly 23, in which: lean on and be equipped between component 21 and cushion component 22 for driving dependence component 21 relative to cushion component The backrest driving device 24 of 22 rotations；Between leg assembly 23 and cushion component 22 be equipped with for drive leg assembly 23 relative to The supporting leg driving device 25 that cushion component 22 rotates.

In wheelchair provided in this embodiment, travel driving unit 1 carries ontology 2 for driving carrying ontology 2 to be moved For carrying human body, backrest driving device 24 leans on component 21 relative to the rotation of cushion component 22, supporting leg driving dress for driving 25 are set for driving leg assembly 23 to rotate relative to cushion component 22, cushion component 22 is used to carry the buttocks of human body, leans on Component 21 is used to carry the position of human buttock or more, and leg assembly 23 is for carrying human buttock position below.

When people are converted into semi-lying or lying status by chair state, it can be driven and be leaned on by backrest driving device 24 Component 21 faces away from the side rotation of human body relative to cushion component 22, same with this slowly to reduce the tilt angle of upper body When by supporting leg driving device 25 drive leg assembly 23 relative to cushion component 22 face away from human body side rotate, with slow Slowly the leg of human body is lifted.When people are converted into chair state by semi-lying or lying status, it can also be driven and be filled by backrest Set 24 and supporting leg driving device 25 respectively drive and lean on component 21 and leg assembly 23, with slowly increase upper body tilt angle and Put down human leg.

Wheelchair provided in this embodiment can be adjusted respectively by backrest driving device 24 and supporting leg driving device 25 Lean on the angle that component 21 and leg assembly 23 are rotated relative to cushion component 22.For compared with the existing technology, people can be with Semi-lying lies low on wheelchair provided in this embodiment, can also with chair on wheelchair, especially for legs and feet inconvenience patient, For old man, when action, does not need to be shifted between bed and wheelchair, facilitates looking after for family members, avoids many troubles.

It should be noted that all devices that dependence component 21 can be driven to rotate relative to cushion component 22 can be Backrest driving device 24 provided in this embodiment.Such as can directly drive and lean on the rotary electric machine that component 21 rotates, backrest drives Dynamic device 24, which is also possible to push, leans on hydraulic cylinder, cylinder that component 21 rotates.

In at least one embodiment, backrest driving device 24 can use rotary electric machine, when rotary electric machine rotates forward, lean on Component 21 is rotated towards the side close to human body, when rotary electric machine inverts, is leaned on component 21 and is rotated towards the side away from human body. By the positive and negative rotation for controlling rotary electric machine, thus it is possible to vary the rotation direction of component 21 is leaned on, to realize the switching of different conditions.

Specifically, angle adjustment device, angle adjustment device are additionally provided between backrest driving device 24 and cushion component 22 It is defeated including the turntable being set on 24 power output shaft of backrest driving device and the photoelectric sensor on cushion component 22, power Shaft is connect with component 21 is leaned on to drive and lean on the rotation of component 21.Turntable is equipped with multiple through-holes, and multiple through-holes are along turntable Axis be uniformly distributed, when power output shaft rotation, the light beam of photoelectric sensor transmitting can be through through-hole or by turntable Barrier detects the rotational angle for leaning on component 21 by photoelectric sensor to realize.Wheelchair is equipped with and photoelectric sensor electricity The button of connection, button control the rotational angle for leaning on component 21 by photoelectric sensor.

It should be noted that all devices that leg assembly 23 can be driven to rotate relative to cushion component 22 can be Supporting leg driving device 25 provided in this embodiment.Such as the rotary electric machine that can directly drive leg assembly 23 to rotate, supporting leg drive Dynamic device 25 is also possible to the hydraulic cylinder, the cylinder that push leg assembly 23 to rotate.

In at least one embodiment, supporting leg driving device 25 can use rotary electric machine, when rotary electric machine rotates forward, supporting leg Component 23 is rotated towards the side close to human body, and to put down human leg, when rotary electric machine inverts, leg assembly 23 is towards deviating from The side of human body rotates, to lift the leg of human body.By the positive and negative rotation for controlling rotary electric machine, thus it is possible to vary leg assembly 23 Rotation direction, to realize the switching of different conditions.

Specifically, it is additionally provided with angle adjustment device between supporting leg driving device 25 and cushion component 22, angular adjustment dress The angle adjustment device working principle set between above-mentioned backrest driving device 24 and cushion component 22 is identical, in order to save a piece Width, this is no longer going to repeat them.Wheelchair is equipped with the button being electrically connected with the photoelectric sensor, and button passes through photoelectric sensor control The rotational angle of leg assembly 23 processed.

It is converted between each state as needed in order to facilitate people, the present embodiment further includes the first control panel, the The controller that one control panel is equipped with multiple keys and is electrically connected with multiple keys, each key correspond to a kind of shape of wheelchair State, can specifically include the keys such as " chair ", " semi-lying ", " lying low ", controller and backrest driving device 24 and supporting leg driving fills 25 electrical connections are set, when people press next key, controller issues control to backrest driving device 24 and supporting leg driving device 25 System order, is acted for controlling backrest driving device 24 and supporting leg driving device 25, so that wheelchair can be presented and is somebody's turn to do The corresponding state of key.When pressing " lying low " key, controller receives the signal of key sending and controls backrest drive Dynamic device 24 and supporting leg driving device 25 invert, so that wheelchair is in lying status.The working principle of other keys is referring to above-mentioned " lying low " key principle, to save space, details are not described herein.

Further, as shown in figure 4, travel driving unit 1 includes moving assembly 11, support component 12 and vertical driving dress 13 are set, moving assembly 11 is for driving the carrying ontology 2 in support component 12 and support component 12 to be moved, support component 12 for being supported carrying ontology 2, and to guarantee to carry the stabilization of ontology 2 under various regimes, vertical driving device 13 is divided It is not connect with moving assembly 11 and support component 12, vertical driving device 13 is for driving support component 12 and support component 12 On carrying ontology 2 relative to 11 vertical motion of moving assembly, when the carrying ontology 2 in support component 12 is too short or excessively high When, vertical driving device 13 can adjust the height of support component 12, mobile in particular for the patient that will carry 2 top of ontology When on to monitor station, since monitor station is usually higher, vertical driving device 13 can be used by support component 12 and support group The carrying ontology 2 of 12 top of part moves up, so that the height of carrying ontology 2 is concordant with monitor station, facilitates the transfer of patient.

Specifically, it is set on moving assembly 11 there are four guide pipe, support component 12 is equipped with matches one by one with four guide pipes The guide rod of conjunction, each guide rod protrude into a guide pipe, when vertical driving device 13 driving support component 12 is moved vertically When dynamic, four guide rods slide in four guide pipes, and more stable in moving process to guarantee, support component 12 will not be sent out It is raw to shake.

It should be noted that all can drive support component 12 all may be used relative to the device of 11 vertical motion of moving assembly To be vertical driving device 13 provided in this embodiment.Such as linear motor, hydraulic cylinder, cylinder, vertical driving device 13 can also To be that rotary electric machine is connect with transmission mechanism, the device of linear motion will be converted to.

In at least one embodiment, vertical driving device 13 can use linear motor, one end of linear motor and shifting Dynamic component 11 connects, and the other end of linear motor is connect with support component 12, and structure of the linear motion actuator is simple, easy to maintenance, can Guarantee the stabilization in 12 rotation process of support component.

Further, as shown in figure 5, wheelchair topples in order to prevent, moving assembly 11 includes frame body 111, front-wheel 112, rear-wheel 113 and Wheel space adjusting device 114, in which: frame body 111 include front wheel supporting frame 1111 and with front wheel supporting frame 1111 The rear wheel support frame 1112 being slidably connected；Front-wheel 112 is connect with front wheel supporting frame 1111, and front wheel supporting frame 1111 is equipped with and is used for The motor for driving front-wheel to roll；Rear-wheel 113 is connect with rear wheel support frame 1112, after rear wheel support frame 1112 is equipped with for driving Take turns the motor rolled；Wheel space adjusting device 114 is connect with front wheel supporting frame 1111 and rear wheel support frame 1112 respectively.

Wheel space adjusting device 114 is electrically connected with the controller, when wheelchair is converted into semi-lying or lying status by chair state, When pressing " semi-lying " or " lying low " key, since the weight that carrying ontology 2 is born no longer concentrates on cushion component 22, such as The distance between fruit front-wheel 112 and rear-wheel 113 are too small to be easy to cause wheelchair to topple forward or backward, and controller control wheel is away from tune Regulating device 114 drives rear wheel support frame 1112 to move backward relative to front wheel supporting frame 1111, to extend front-wheel 112 and rear-wheel The distance between 113.When wheelchair is converted into chair state by semi-lying or lying status, that is, when pressing " chair " key, control Device controls Wheel space adjusting device 114 and shortens the distance between front-wheel 112 and rear-wheel 113, to reduce the occupied area of wheelchair.

Specifically, the two sides of front wheel supporting frame 1111 are respectively equipped with the first guide rail, the two sides difference of rear wheel support frame 1112 Equipped with the slide bar cooperated with the first guide rail, when rear wheel support frame 1112 is mobile relative to front wheel supporting frame 1111, slide bar can be with It is slided along the first guide rail.

It should be noted that all devices that rear wheel support frame 1112 can be driven mobile relative to front wheel supporting frame 1111 It can be Wheel space adjusting device 114 provided in this embodiment.Such as linear motor, hydraulic cylinder, cylinder, vertical driving device 13 It is also possible to rotary electric machine to connect with transmission mechanism, the device of linear motion will be converted to.

In at least one embodiment, Wheel space adjusting device 114 may include rotary electric machine and gear and rack teeth mechanism, rotation Motor is set on front wheel supporting frame 1111, the power output axis connection of gear and rotary electric machine, and rack gear is set to rear wheel support frame On 1112, wheel and rack intermeshing.When rotary electric machine rotates forward, gear rotates forward therewith, rack drives rear wheel support frame 1112 move forward, to shorten the distance between front-wheel 112 and rear-wheel 113；When rotary electric machine reversion, gear inverts therewith, Rack drives rear wheel support frame 1112 moves backward, to extend the distance between front-wheel 112 and rear-wheel 113.

Further, it as shown in fig. 6, being that support component 12 is enabled preferably to be supported to carrying ontology 2, supports Component 12 includes that cushion bracket 121, leg brackets 122 and the bracket connecting respectively with cushion bracket 121 and leg brackets 122 drive Dynamic device 123, cushion bracket 121 are set between front wheel supporting frame 1111 and cushion component 22, and carriage drive device 123 is for driving Dynamic leg brackets 122 are moved along the extending direction of cushion bracket 121.

Carriage drive device 123 is electrically connected with the controller, when wheelchair is converted by chair state to semi-lying or lying status, When pressing " semi-lying " or " lying low " key, controller controls carriage drive device 123 and drives leg brackets 122 far from cushion branch Frame 121 is mobile, so that the free end of leg brackets 122 can be supported leg assembly 23；When wheelchair by semi-lying or lies low When state is converted to chair state, that is, when pressing " chair " key, controller controls carriage drive device 123 and drives leg brackets 122 is mobile close to cushion bracket 121, so that the free end of leg brackets 122 can cancel the support to leg assembly 23.Due to When wheelchair is converted from chair state to semi-lying or lying status, the weight that leg assembly 23 is born is increased, and leg brackets 122 can Effectively leg assembly 23 is supported, reinforces the bearing capacity of leg assembly 23, so that structure is more stable and firm.By When wheelchair is converted from semi-lying or lying status to chair state, leg assembly 23 can be rotated towards the side of human body, therefore be received Return the rotation that leg brackets 122 are capable of the anti-blocking of leg brackets 122 leg assembly 23.

Further, as shown in fig. 7, being so that the practicability for leaning on component 21 is stronger, leaning on component 21 includes backrest 211, lie and pillow 212 and lie and rest the head on driving device 213, in which: backrest 211 respectively with lie pillow 212 and cushion component 22 it is hinged；Pillow of lying drives Dynamic device 213 connect with backrest 211 and pillow 212 of lying respectively, is lain to rest the head on driving device 213 and be used to drive to lie and is rested the head on 212 relative to backrest 211 turn an angle and lock position of the pillow 212 relative to backrest 211 of lying, so that pillow 212 of lying can be rolled over when not needed It is stacked to behind backrest 211.

It should be noted that it is all can drive lie pillow 212 relative to backrest 211 rotate and lock lie pillow 212 relative to The device of the position of backrest 211 can be that provided in this embodiment lie rests the head on driving device 213.Such as linear motor, hydraulic cylinder, Cylinder, lying to rest the head on driving device 213 and be also possible to rotary electric machine connect with transmission mechanism, will be converted to the dress of linear motion It sets.

In at least one embodiment, lie rest the head on driving device 213 can using linear motor, one end of linear motor with lean on 211 connection of back, the other end of linear motor are connect with pillow 212 of lying, and structure of the linear motion actuator is simple, easy to maintenance, can guarantee to lie Rest the head on the stabilization in 212 rotation processes.

It lies and rests the head on driving device 213 and be electrically connected with the controller, when wheelchair is converted into semi-lying or lying status by chair state, When pressing " semi-lying " or " lying low " key, controller control, which is lain, rests the head on driving device 213 along away from the direction of backrest 211 turn It is dynamic, until the top surface for pillow 212 of lying can be in same plane with backrest 211；When wheelchair is converted by semi-lying or lying status to chair When seat state, that is, when pressing " chair " key, controller control lie rest the head on driving device 213 along towards the direction of backrest 211 turn It is dynamic, until pillow 212 of lying is folded to behind backrest 211, and with offset behind backrest 211.It lies and rests the head on the setting of driving device 213 Can be realized the expansion and folding of pillow 212 of lying so that do not need to lie pillow 212 when the pillow 212 that can be good at lying be folded to backrest Behind 211, reduce occupied space.

Further, pillow 212 of lying includes lying to rest the head on frame 2121 and two connecting plates 2122 being oppositely arranged, two connecting plates 2122 is hinged with backrest 211, lies and rests the head on the structure in shaped door of frame 2121, two connecting plates 2122 and lies to rest the head on to be equipped between frame 2121 and is used for The adjusting component 2123 for resting the head on frame 2121 relative to 2122 height of connecting plate of lying is adjusted, component 2123 is adjusted and lies and rest the head on driving device 213 connections.When lie rest the head on driving device 213 push lie pillow 212 along away from backrest 211 direction rotate when, adjust component 2123 Drive, which is lain, rests the head on the movement of frame 2121, to increase the height for resting the head on frame 2121 relative to connecting plate 2122 of lying；It rests the head on driving device 213 when lying and pushes away When moving pillow 212 of lying along rotating towards the direction of backrest 211, the adjusting drive of component 2123, which is lain, rests the head on the movement of frame 2121, is lain with reducing Rest the head on height of the frame 2121 relative to connecting plate 2122.Above structure enables pillow 212 of lying to have certain height, when use more What is added is comfortable, and design is more humanized.

Specifically, adjusting component 2123 includes adjusting rod, and the regulating mechanism connecting respectively with adjusting rod both ends, adjusts machine Structure includes guide part, the first adjusting rod and the second adjusting rod, and guide part is equipped with adjusting slideway, and guide part and connecting plate 2122 are solid The end of fixed connection, adjusting rod is hinged through the first end of adjusting slideway and first connecting rod, the second end of first connecting rod It is hinged that frame 2121 is rested the head in portion and lying, and it is hinged that frame 2121 is rested the head at the both ends of the second adjusting rod with connecting plate 2122 and lying respectively, the second adjusting The middle part of bar and the middle part of first connecting rod are hinged.

When lie rest the head on driving device 213 push lie pillow 212 along away from backrest 211 direction rotate when, adjusting rod is being adjusted One end on slideway towards adjusting slideway far from backrest 211 is mobile, at this point, due to first connecting rod the second end and lie and rest the head on frame 2121 is hinged, and first connecting rod also rotates therewith, the distance between frame 2121 and connecting plate 2122 is rested the head on to increase to lie, with this The second connecting rod is driven also to rotate simultaneously, so that adjusting component 2123 stronger can rest the head on the progress of frame 2121 to lying Support.

Further, as shown in figure 8, cushion component 22 includes preceding cushion part 221, recoil pad portion 222 and the driving of preceding cushion Device 223, in which: preceding cushion part 221 and recoil pad portion 222 are hinged；Preceding cushion driving device 223 respectively with travel driving unit Cushion bracket 121 and preceding cushion part 221 on 1 connect.Preceding cushion driving device 223 is electrically connected with the controller, when wheelchair is by chair When seat state or lying status are converted to semi-lying state, that is, when pressing " semi-lying " key, cushion driving device before controller controls 223 drive preceding cushion part 221 to turn an angle relative to recoil pad portion 222 and lock preceding cushion part 221 relative to recoil pad The position in portion 222, so that preceding cushion part 221 and recoil pad portion 222 form the pit for accommodating buttocks.Preceding cushion part 221 with The pit that recoil pad portion 222 is formed can limit buttocks and glide, enable patient or the elderly more it is comfortable partly It lies on carrying ontology 2, use process is more comfortable.When wheelchair is converted by semi-lying state to chair state or lying status When, that is, when pressing " chair " or " lying low " key, cushion part 221 is opposite before cushion driving device 223 drives before controller controls It rotates in recoil pad portion 222, so that the top surface in preceding cushion part 221 and recoil pad portion 222 is in same plane, is then sat before locking Position of the pad portion 221 relative to recoil pad portion 222.

It should be noted that all can drive preceding cushion part 221 to rotate relative to recoil pad portion 222 and lock preceding cushion Portion 221 can be preceding cushion driving device 223 provided in this embodiment relative to the device of the position in recoil pad portion 222.Example Such as linear motor, hydraulic cylinder, cylinder, preceding cushion driving device 223 is also possible to rotary electric machine and connect with transmission mechanism, will rotate It is converted to the device of linear motion.

In at least one embodiment, preceding cushion driving device 223 can use linear motor, one end of linear motor with Cushion bracket 121 connects, and the other end of linear motor is connect with recoil pad portion 222, and structure of the linear motion actuator is simple, easy to maintenance, It can guarantee the stabilization in 222 rotation process of recoil pad portion.

Further, as shown in figure 9, in order to enable more comfortable in patient or the elderly's use process, supporting leg group Part 23 includes leg support frame 231, pedal 232 and pedal driving device 233, in which: pedal 232 and leg support frame 231 are hinged, step on Plate 232 is used to carry the foot of human body；Pedal driving device 233 is connect with pedal 232 and leg support frame 231 respectively.Pedal drives Dynamic device 233 is electrically connected with the controller, and when wheelchair be in chair state, and when pressing " chair " key, controller is controlled and stepped on 233 driving pedal 232 of plate driving device turns an angle relative to leg support frame 231 and locks pedal 232 relative to leg The position of bracket 231, plane locating for pedal 232 and plane described in leg support frame 231 take foot close to vertical at this time It is located on pedal 232, foot can be supported.When not needing using pedal, 233 driving pedal of pedal driving device 232 turn to it is parallel with leg support frame 231.

It should be noted that it is all can driving pedal 232 relative to leg support frame 231 rotate and lock 232 phase of pedal Device for the position of leg support frame 231 can be pedal driving device 233 provided in this embodiment.Such as straight-line electric Machine, hydraulic cylinder, cylinder, pedal driving device 233 are also possible to rotary electric machine and connect with transmission mechanism, and rotation conversion is in line The device of movement.

In at least one embodiment, pedal driving device 233 can use linear motor, one end of linear motor and leg Portion's bracket 231 connects, and the other end of linear motor is connect with pedal 232, and structure of the linear motion actuator is simple, easy to maintenance, Neng Goubao Demonstrate,prove the stabilization in 232 rotation process of pedal.

Specifically, pedal 232 is equipped with Fastener, pedal driving device 233 and Fastener towards the side of leg support frame 231 Connection, is rotated by Fastener driving pedal 232, when not needing using pedal, i.e. pedal 232 and leg support frame 231 When parallel, the free end of Fastener and the bottom of leg support frame 231 offset, opposite with leg support frame 231 to limit pedal 232 Position.Fastener enables to the structure between pedal 232 and leg support frame 231 more stable, secured, can be by pedal 232 are limited in the first extreme position, the i.e. position parallel with leg support frame 231 of pedal 232, while pedal 232 is had more Good carryings ability, avoids the power acted on pedal driving device 233 excessive.

Further, in order to enable the bearing capacity of pedal 232 is stronger, leg assembly 23 further includes stabilizer blade 234 and stabilizer blade Driving device 235, branch foot driving device 235 are connect with pedal 232 and stabilizer blade 234 respectively, and branch foot driving device is for driving branch Foot 234 rotates relative to pedal 232 and locks position of the stabilizer blade 234 relative to pedal 232, and stabilizer blade 234 is used to support pedal 232.When patient or the elderly from the wheelchair get off, the weight by most of body is needed to act on pedal 232, by In the walking to ground of pedal 232, at this point it is possible to drive stabilizer blade 234 towards ground rotation using branch foot driving device 235, so that Stabilizer blade 234 free end can with ground face contact, for supporting pedal 232.

Specifically, branch foot driving device 235 is connect with controller, when press control branch foot driving device 235 act by When key, controller control branch foot driving device 235 is acted.So that stabilizer blade 234 when needed can prop up pedal 232 Support, when not needed, stabilizer blade 234 can restore to reset condition, cancel the support to pedal 232.

In at least one embodiment, stabilizer blade 234 can be set to two, and stabilizer blade may include the branch that two panels is oppositely arranged Blade is connected by connection sheet between support chip, and support chip includes interconnecting piece and support portion, and interconnecting piece one end and pedal-driven fill 233 connections are set, the interconnecting piece other end connect V-shaped structure with support portion, and interconnecting piece is connect in obtuse angle with support portion.Pedal 232 bottoms far from 231 side of leg support frame are equipped with groove, when the recovery of stabilizer blade 234 to reset condition, the freedom of stabilizer blade 234 End can be contained in groove.

It should be noted that it is all can drive stabilizer blade 234 relative to pedal 232 rotate and lock stabilizer blade 234 relative to The device of the position of pedal 232 can be branch foot driving device 235 provided in this embodiment.Such as it can directly drive stabilizer blade The rotary electric machine of 234 rotations, branch foot driving device 235 are also possible to the hydraulic cylinder, the cylinder that push stabilizer blade 234 to rotate.

In at least one embodiment, branch foot driving device 235 can use rotary electric machine, when rotary electric machine rotates forward, branch Foot 234 is towards ground rotation, and when rotary electric machine inverts, stabilizer blade 234 is far from ground rotation.Pass through the positive and negative of control rotary electric machine Turn, thus it is possible to vary the rotation direction of stabilizer blade 234, to realize the support to pedal 232 and cancel the support to pedal 232.

Further, in order to enable practicability is stronger, wheelchair in some embodiments can also include slideway driving dress It sets 3 and is respectively arranged on two groups of armrest assemblies 4 of carrying 2 two sides of ontology, armrest assembly 4 includes handrail 41, connecting rod 42 and bending Slideway 43, slideway driving device 3 are set in the cushion bracket 121 in travel driving unit 1, and slideway driving device 3 and bending One end of slideway 43 is fixedly connected, and slideway driving device 3 is for driving bending slideway 43 to rotate relative to travel driving unit 1； The both ends of handrail 41 are hinged with the backrest 211 in the first end of connecting rod 42 and dependence component 21 respectively；The second of connecting rod 42 End is slidably connected with bending slideway 43；When bending slideway 43 is in the first station, connecting rod 42 can be slided along bending slideway 43； When bending slideway 43 is in second station, the second end of connecting rod 42 is locked in bending slideway 43 close to slideway driving device 3 One end.

When in use, when wheelchair is in lying status, bending slideway 43 be in the first station, at this time handrail 41 with connect Bar 42 is parallel.When wheelchair is converted by lying status to semi-lying state or chair state, the driving bending slideway of slideway driving device 3 43 are rotated up 65 ° to 75 °, and bending slideway 43 is in second station, and the second end of connecting rod 42 is locked in bending slideway at this time 43 are rotated up close to one end of slideway driving device 3, handrail 41, and connecting rod 42 also rotates with it, at this time backrest 211, handrail 41, connecting rod 42 and cushion bracket 121 constitute four-bar mechanism, realize lifting for handrail 41.

Specifically, cushion bracket 121 is equipped with the first locating part 1211 and the second locating part 1212, the first locating part are used for Bending slideway 43 is limited in the first station, to stop bending slideway 43 to be continued to rotate by gravity and pressure, is reduced simultaneously The power in slideway driving device 3 is acted on, the second locating part 1212 is limited in second station for that will be bent slideway 43, with limitation It is bent the rotational angle of slideway 43.

It should be noted that all devices that bending slideway 43 can be driven to rotate relative to travel driving unit 1 all may be used To be slideway driving device 3 provided in this embodiment.Such as the rotary electric machine that can directly drive bending slideway 43 to rotate, slideway Driving device 3 is also possible to the hydraulic cylinder, the cylinder that push bending slideway 43 to rotate.

In at least one embodiment, slideway driving device 3 can use rotary electric machine, when rotary electric machine rotates forward, bending The free end of slideway 43 is rotated up, and when rotary electric machine inverts, the free end of bending slideway 43 is rotated down.It is rotated by control The positive and negative rotation of motor, thus it is possible to vary the rotation direction of bending slideway 43, with realize locking to the second end of connecting rod 42 and It unlocks.

Specifically, slideway driving device 3 is connect with controller, when pressing the key that control slideway driving device 3 acts, Controller control slideway driving device 3 is acted.Bending slideway 43 is cut between the first station and second station It changes.

For convenience of the use of patient or the elderly, the first control panel can be set on any one handrail 41.

Further, in order to facilitate the manipulation of patient or the elderly, as shown in Figure 10, in any one armrest assembly 4 Control stick 411 and joystick driver device 412 are equipped in handrail 41, control stick is electrically connected with front-wheel, before control stick is for controlling The direction of advance of wheel drives the stretching of control stick 411 to help when needing control stick to be manipulated using joystick driver device 412 Hand 41 realizes manipulation to direction of advance, when not needing control stick and being manipulated, joystick driver device 412 is used to drive Control stick 411 is retracted inside handrail 41, to hide control stick 411.Above-mentioned setting can facilitate patient or the elderly to wheelchair Manipulation, while can be avoided and not need to lead to unnecessary accident using control stick 411 is accidentally encountered when control stick 411.

It should be noted that all devices that control stick 411 can be driven to stretch out handrail 41 and be retracted inside handrail 41 It can be joystick driver device 412 provided in this embodiment.Such as linear motor, hydraulic cylinder, cylinder, joystick driver dress It sets 412 and is also possible to rotary electric machine and connect with transmission mechanism, the device of linear motion will be converted to.

In at least one embodiment, joystick driver device 412 can use linear motor, one end of linear motor with Handrail 41 connects, and the other end of linear motor is connect with control stick 411, and structure of the linear motion actuator is simple, easy to maintenance, can guarantee Control stick 411 protrudes into the stabilization of stretching process.

Embodiment two:

The purpose of the present embodiment is that a kind of wheelchair combination cot is provided, as shown in Figure 11 to 12, what the present embodiment two provided Wheelchair combination cot includes the wheelchair that bed body 5, locking device 6 and above-described embodiment one provide, and locking device 6 divides and bed body 5 and wheel Chair connection locks relative position of the bed body 5 relative to wheelchair, at locking device 6 when locking device 6 is in the lock state When unlocked state, the locking of bed body 5 and wheelchair is released.

It, can when patient or old man are in semi-lying or lying status in wheelchair combination cot provided by the utility model To use the relative position of locking device locking bed body and above-mentioned wheelchair, to increase the rest area of patient or old man, use It is more comfortable in the process.When patient or old man are in chair state, can be used locking device release bed body with it is above-mentioned The lock state of wheelchair, to discharge above-mentioned wheelchair, the movement of Convenient wheelchair.For compared with the existing technology, the present embodiment provides Wheelchair combination cot enable in patient or old man's use process more comfortable, and when wheelchair is mobile, will not occupy Excessive area has stronger practicability.

Further, as shown in Figure 13 and Figure 14, bed body 5 includes sequentially connected bedstead ontology 51, sliding rack 52 and connects Frame 53 is connect, bedstead ontology 51 is equipped with multiple guide rails 511 and for guiding bedstead ontology 51 to lead with what travel driving unit 1 cooperated To device 512；Locking device 6 is connect with bedstead ontology 51 and sliding rack 52 respectively.When travel driving unit 1 passes through guiding device 512 when corresponding to suitable position with bedstead ontology 51, and locking device 6 drives sliding rack 52 to move along guide rail 511, and movement side To towards wheelchair, so that multiple pin shafts 531 on connection frame 53 can extend into wheelchair, to lock wheelchair relative to bed body 5 Position.When needing to release position of the wheelchair relative to bed body 5, sliding rack 52 is driven to move along guide rail 511 using locking device 6 It is dynamic, and moving direction deviates from wheelchair, enables multiple pin shafts 531 on connection frame 53 to exit wheelchair, releases wheelchair and bed body 5 Locking.

Specifically, as shown in figure 13, guiding device 512 includes the first leading truck and the second leading truck, the bottom of frame body 111 Equipped with the frame with the first leading truck and the cooperation of the second leading truck, one end and bedstead sheet of the first leading truck and the second leading truck Body 51 connects, the other end connection of the other end of the first leading truck and the second leading truck, and the first leading truck and the second leading truck V-shaped structure is connected, one end of " V " shape structural openings is connect with one end of 51 head of a bed of bedstead ontology, the tip of " V " shape structure Extend towards tailstock, and the width of frame is equal with the width of " V " shape structural openings.First leading truck includes restocking under Frame is equipped with multiple idler wheels between restocking and undercarriage, the axis of idler wheel is perpendicular to restocking and undercarriage；Second leading truck include restocking and Undercarriage is equipped with multiple idler wheels between restocking and undercarriage, the axis of idler wheel is perpendicular to restocking and undercarriage.It is needing wheelchair and bed body When 5 cooperation, frame is first substantially aligned with to the tip of " V " shape structure, is moved backward with rear drive sprocket chair, so that " V " shape structure It can extend into frame, when wheelchair shifts, idler wheel can be defined frame, when " V " shape structure is whole It protrudes into frame, i.e., when frame and bedstead ontology 51 offset, just frame is enabled to be directed at bed body.

It should be noted that all structures that can lock and contact relative position of the locking bed body 5 relative to wheelchair are all It can be locking device 6 provided in this embodiment.Such as linear motor, hydraulic cylinder, cylinder, locking device 6 are also possible to rotate Motor is connect with transmission mechanism, will be converted to the device of linear motion.

In at least one embodiment, locking device 6 includes linear motor and first drive rod hinged with linear motor 61 and second drive rod 62.The both ends of first drive rod 61 are hinged with linear motor and bedstead ontology 51 respectively, the second drive rod 62 both ends are hinged with linear motor and sliding rack 52 respectively, when locking device 6 is in the unlocked state, the first drive rod 61 with Second drive rod 62 is in " V "-shape, and when locking device 6 is converted by unlocked state to lock state, linear motor pushes first Drive rod 61 and the second drive rod 62, so that the angle between the first drive rod 61 and the second drive rod 62 increases, so that Second drive rod 62 pushes sliding rack 52 to move along guide rail 511 towards wheelchair, so that multiple pin shafts 531 on connection frame 53 are stretched Enter in wheelchair.

Specifically, carry ontology 2 two sides be equipped with multiple pin shafts multiple through-holes matched one by one, at locking device 6 When lock state, pin shaft is protruded into through-hole, to lock the relative position of wheelchair Yu bed body 5.

Specifically, the present embodiment further includes the second control panel on any one handrail 41, the second control panel It is equipped with key and controller, controller is electrically connected with key and locking device 6 respectively.When a key is pressed, controller controls The relative position of locking device locking or contact locking wheelchair and bed body 5.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (13)

1. a kind of wheelchair, which is characterized in that including travel driving unit (1) and be set to above the travel driving unit (1) It carries ontology (2), the carrying ontology (2) includes sequentially connected dependence component (21), cushion component (22) and leg assembly (23), in which:

Between the dependence component (21) and the cushion component (22) be equipped with for drive the dependence component (21) relative to The backrest driving device (24) of cushion component (22) rotation；

Between the leg assembly (23) and the cushion component (22) be equipped with for drive the leg assembly (23) relative to The supporting leg driving device (25) of cushion component (22) rotation.

2. wheelchair according to claim 1, which is characterized in that the travel driving unit (1) include moving assembly (11), Support component (12) and vertical driving device (13), the vertical driving device (13) respectively with the moving assembly (11) and institute Support component (12) connection is stated, the vertical driving device (13) is for driving the support component (12) relative to the movement Component (11) vertical motion.

3. wheelchair according to claim 2, which is characterized in that the moving assembly (11) includes frame body (111), front-wheel (112), rear-wheel (113) and Wheel space adjusting device (114), in which:

The frame body (111) includes front wheel supporting frame (1111) and the rear-wheel branch that is slidably connected with the front wheel supporting frame (1111) Support (1112)；

The front-wheel (112) connect with the front wheel supporting frame (1111)；

The rear-wheel (113) connect with the rear wheel support frame (1112)；

The Wheel space adjusting device (114) connects with the front wheel supporting frame (1111) and the rear wheel support frame (1112) respectively It connects, the Wheel space adjusting device (114) is for driving the rear wheel support frame (1112) relative to the front wheel supporting frame (1111) mobile, to extend or shorten the distance between the front-wheel (112) and the rear-wheel (113).

4. wheelchair according to claim 2, which is characterized in that the support component (12) includes cushion bracket (121), branch Leg support (122) and the carriage drive device being connect respectively with the cushion bracket (121) and the leg brackets (122) (123), the carriage drive device (123) is for driving the leg brackets (122) prolonging along the cushion bracket (121) It is mobile to stretch direction.

5. wheelchair according to claim 1, which is characterized in that the dependence component (21) includes backrest (211), pillow of lying (212) it and lies and rests the head on driving device (213), in which:

The backrest (211) and the pillow (212) of lying are hinged；

Described lie is rested the head on driving device (213) and is connect respectively with the backrest (211) and the pillow (212) of lying, the pillow driving of lying Device (213) is opposite for driving the pillow (212) of lying to rotate relative to the backrest (211) and locking the pillow (212) of lying In the position of the backrest (211).

6. wheelchair according to claim 5, which is characterized in that described lie pillow (212) include lying to rest the head on frame (2121) and two The connecting plate (2122) being oppositely arranged, two connecting plates (2122) connect with the backrest (211), two connecting plates (2122) and it is described lie to rest the head on to be equipped between frame (2121) rest the head on frame (2121) relative to the connecting plate for adjusting described lie (2122) the adjusting component (2123) of height, the adjusting component (2123) are rested the head on driving device (213) and are connect with described lie.

7. wheelchair according to claim 1, which is characterized in that the cushion component (22) include preceding cushion part (221), after Cushion part (222) and preceding cushion driving device (223), in which:

The preceding cushion part (221) and the recoil pad portion (222) are hinged；

The preceding cushion driving device (223) connect with the travel driving unit (1) and the preceding cushion part (221) respectively, The preceding cushion driving device (223) is for driving the preceding cushion part (221) to rotate simultaneously relative to the recoil pad portion (222) Position of the preceding cushion part (221) relative to the recoil pad portion (222) is locked, so that the preceding cushion part (221) and institute It states recoil pad portion (222) and forms pit for accommodating buttocks.

8. wheelchair according to claim 1, which is characterized in that the leg assembly (23) includes leg support frame (231), steps on Plate (232) and pedal driving device (233), in which:

The pedal (232) and the leg support frame (231) are hinged；

The pedal driving device (233) connect with the pedal (232) and the leg support frame (231) respectively, the pedal Driving device (233) is for driving the pedal (232) to rotate relative to the leg support frame (231) and locking the pedal (232) position relative to the leg support frame (231).

9. wheelchair according to claim 8, which is characterized in that the leg assembly (23) further includes stabilizer blade (234) and branch Foot driving device (235), the branch foot driving device (235) connect with the pedal (232) and the stabilizer blade (234) respectively, The branch foot driving device (235) is for driving the stabilizer blade (234) to rotate relative to the pedal (232) and locking the branch Position of the foot (234) relative to the pedal (232), the stabilizer blade (234) are used to support the pedal (232).

10. wheelchair according to claim 1, which is characterized in that further include slideway driving device (3) and be respectively arranged on described Two groups of armrest assemblies (4) of ontology (2) two sides are carried, the armrest assembly (4) includes handrail (41), connecting rod (42) and bending Slideway (43), in which:

The slideway driving device (3) be set to the travel driving unit (1) on, and the slideway driving device (3) with it is described It is bent one end connection of slideway (43), the slideway driving device (3) is for driving the bending slideway (43) relative to described Travel driving unit (1) rotation；

The both ends of the handrail (41) are hinged with the first end of the connecting rod (42) and the dependence component (21) respectively；

The second end of the connecting rod (42) is slidably connected with the bending slideway (43)；

When the bending slideway (43) is in the first station, the connecting rod (42) can be slided along the bending slideway (43)； When the bending slideway (43) is in second station, the second end of the connecting rod (42) is locked in the bending slideway (43) Close to one end of the slideway driving device (3).

11. wheelchair according to claim 10, which is characterized in that helped described in any one of armrest assembly (4) Control stick (411) and joystick driver device (412) are equipped in hand (41), the joystick driver device (412) is for driving The control stick (411) stretches out the handrail (41) and the retraction handrail (41) is internal.

12. a kind of wheelchair combination cot, which is characterized in that including bed body (5), locking device (6) and as claim 1-10 is any Wheelchair described in, the locking device (6) point connect with the bed body (5) and the wheelchair, at the locking device (6) When lock state, relative position of the bed body (5) relative to the wheelchair is locked, when the locking device (6) are in solution When lock status, the locking of the bed body (5) and the wheelchair is released.

13. wheelchair combination cot according to claim 12, which is characterized in that the bed body (5) includes sequentially connected bed Frame ontology (51), sliding rack (52) and connection frame (53), in which:

The bedstead ontology (51) is equipped with multiple guide rails (511) and for guiding the bedstead ontology (51) and the walking to drive The guiding device (512) of dynamic device (1) cooperation；

The locking device (6) connect with the bedstead ontology (51) and the sliding rack (52) respectively, for driving the cunning Moving frame (52) is mobile along the guide rail (511)；

The connection frame (53) is equipped with the multiple pin shafts (531) cooperated with the wheelchair towards the side of the wheelchair.