CN109907894A - Wheelchair and Wheel-chair type bed with Liftable armrest - Google Patents

Wheelchair and Wheel-chair type bed with Liftable armrest Download PDF

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Publication number
CN109907894A
CN109907894A CN201910342148.6A CN201910342148A CN109907894A CN 109907894 A CN109907894 A CN 109907894A CN 201910342148 A CN201910342148 A CN 201910342148A CN 109907894 A CN109907894 A CN 109907894A
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CN
China
Prior art keywords
wheelchair
connector
armrest
liftable
armrest assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910342148.6A
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Chinese (zh)
Inventor
楊国强
李东坡
冯亚磊
李舟健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Bozhilin Intelligent Technology Co Ltd
Original Assignee
Guangdong Bozhilin Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Bozhilin Intelligent Technology Co Ltd filed Critical Guangdong Bozhilin Intelligent Technology Co Ltd
Priority to CN201910342148.6A priority Critical patent/CN109907894A/en
Publication of CN109907894A publication Critical patent/CN109907894A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of wheelchair and Wheel-chair type bed with Liftable armrest.Wherein, the wheelchair with Liftable armrest includes wheelchair body, armrest assembly, transmission mechanism, actuator and walking mechanism set on the wheelchair body bottom, the armrest assembly is movably installed in the wheelchair body by the transmission mechanism, the wheelchair body has accommodation space, the actuator is for driving the transmission mechanism to act, the transmission mechanism is for driving the armrest assembly to be linked in the horizontal direction with vertical direction, so that the armrest assembly has the first state for being stretched in the outer upper side of the wheelchair body, and it is contained in the second state in the accommodation space.Wheelchair of the invention can avoid armrest assembly and crush user in lifting process, can effectively reduce the risk of user's limb injury or the damage of handrail own mechanical.

Description

Wheelchair and Wheel-chair type bed with Liftable armrest
Technical field
The present invention relates to medical nursing equipment fields, more particularly to a kind of wheelchair and wheelchair with Liftable armrest Bed.
Background technique
Multi-functional wheel chair bed is can be operated by occupant or caregiver, have removable, deformation and locomotive function Independent wheeled unit and main body bedstead composition integrated nursing care bed.Wheel-chair type bed integrated design mainly solves handicapped length The mobile problem of person is reduced and is being gone to the toilet, before travel in the transfer process from bed to wheelchair, production of by artificial lift to move or independently leaving the bed Risk is flutterred in raw falling, while human body and utensil friction generation during moving being avoided to lead to skin injury.Function is deformed in bed chair On the basis of, around half disability, the clinical rehabilitation nursing demand of disability patient, devise a chair auto Deformation, wheel chair sport control Function is supported in system, lift back, lift leg and security protection, to increase to mitigate the labor intensity of nursing staff by nursing staff's Comfort and the safety offer support for guaranteeing nursing process.
The handrail design of existing bed chair combination product mostly uses vertical lifting or foldover design, generally requires in chair cushion Notch or piecemeal are reserved on (such as seat cushion or back cushion), to be handrail reserved space, to guarantee wheelchair to bed surface after bed deformation Planarization, but the notch or piecemeal reserved on chair cushion have not only broken up the aesthetics of whole bed, and handrail is in lifting process In easily with chair cushion generate interference and clip to user, increase user's limb injury or handrail own mechanical damage risk.
Summary of the invention
Based on this, it is necessary to easily generate interference with chair cushion in lifting process for the handrail of traditional push chairs and clip to use The problem of person, provides a kind of wheelchair and Wheel-chair type bed with Liftable armrest.
A kind of wheelchair with Liftable armrest, including wheelchair body, armrest assembly, transmission mechanism, actuator and be set to The walking mechanism of the wheelchair body bottom, the armrest assembly are movably installed on the wheelchair by the transmission mechanism On ontology, the wheelchair body has accommodation space, and the actuator is for driving the transmission mechanism to act, the driver Structure is stretched in for driving the armrest assembly to be linked in the horizontal direction with vertical direction so that the armrest assembly has The first state of the outer upper side of the wheelchair body, and the second state being contained in the accommodation space.
The above-mentioned wheelchair with Liftable armrest, passes through the cooperation of wheelchair body, armrest assembly, transmission mechanism and actuator Achievable armrest assembly in the horizontal direction with the biaxially lifting of vertical direction.Specifically, when needing using handrail, pass through drive The movement of moving part drive transmission device, transmission mechanism can laterally release armrest assembly, and armrest assembly is driven to be raised to the upwards One state;When not needing using handrail, actuator drive transmission device counteragent, transmission mechanism reversely drives armrest assembly Decline and traversing in accommodation space.In this way, armrest assembly can be stored it is not necessary that notch or piecemeal are arranged on chair cushion to position In accommodating space below the chair cushion, can avoid armrest assembly in lifting process because with the components generation such as chair cushion or wheelchair body Interfere and crush user, to can effectively reduce the risk of user's limb injury or the damage of handrail own mechanical.Wherein, it drives Moving part can be people's power drive or be driven by electricity.
The transmission mechanism includes the first connector and the second connector in one of the embodiments, and described first connects One end of fitting is hinged by first rotating shaft and the wheelchair body, the other end and the armrest assembly of first connector Hingedly, one end of second connector by the second shaft and the wheelchair body it is hinged, second connector it is another It holds hinged with the armrest assembly, the first rotating shaft and second shaft interval and is arranged in parallel, first connector It can be rotated around the first rotating shaft, second connector can be rotated around second shaft.
First connector is provided with multiple in one of the embodiments, multiple first connectors it is parallel and Interval setting;And/or second connector is provided with multiple, multiple second connectors are parallel and interval setting.
In one of the embodiments, there are two first connector settings, two first connectors it is parallel and Every setting, the first rotating shaft is connected to the same end of two first connectors, and second connector is located at two described the Between a connection piece, the hinge joint at second connector both ends is located at the top of the hinge joint at first connector both ends.
The armrest assembly includes hand steered part and support frame in one of the embodiments, and support frame as described above is set to described The end of the bottom of hand steered part, first connector and second connector is hinged with support frame as described above respectively.
The actuator is push-rod electric machine, the installation end of the push-rod electric machine and the wheel in one of the embodiments, The connection of chair ontology, the telescopic end of the push-rod electric machine are connect with second connector, and the telescopic end of the push-rod electric machine is flexible To drive second connector to rotate around second shaft.
Second connector includes arcuate rotation arm in one of the embodiments, and is connected to the arc and turns The actuating arm of swing arm bottom side, the actuating arm are located at one end of nearly second shaft of the arcuate rotation arm rest, the arc The both ends of cursor are hingedly connected to the wheelchair body and the armrest assembly, the telescopic end of the push-rod electric machine and the drive Swing arm connection.
The actuator includes driving motor and worm drive component, the worm drive in one of the embodiments, Component is used to the driving torque of the driving motor output shaft being converted into axial push-pull effort, with drive first connector or The second connector rotation.
The armrest assembly is equipped with controller, the controller and actuator electricity in one of the embodiments, Property connection, the controller is used to control the start and stop of the actuator.
A kind of Wheel-chair type bed, including bedstead and the wheelchair as described above with Liftable armrest, the bedstead and the tool There is the wheelchair of Liftable armrest to be detachably connected.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the wheelchair described in one embodiment of the invention in first state;
Fig. 2 is structural schematic diagram of the wheelchair in Fig. 1 in the second state;
Fig. 3 is the structural schematic diagram at another visual angle of wheelchair in Fig. 2;
Fig. 4 is the fit structure schematic diagram of the actuator of wheelchair, transmission mechanism and armrest assembly in Fig. 1;
Fig. 5 is the structural schematic diagram of Wheel-chair type bed described in one embodiment of the invention.
10, wheelchair, 11, wheelchair body, 110, accommodation space, 111, back bracket, 112, portions bracket, 113, leg branch Frame, 114, foot stand, 12, armrest assembly, 121, hand steered part, 122, support frame, 13, transmission mechanism, the 131, first connector, 132, the second connector, 1321, arcuate rotation arm, 1322, actuating arm, 133, first rotating shaft, the 134, second shaft, 14, driving Part, 15, walking mechanism, 16, controller, the 17, first back driving mechanism, 21, bed body frame, 22, back support, 23, Two back driving mechanisms, 24, pedestal, 25, elevating mechanism, 251, cross link component, 252, lifting actuator.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper", There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are For illustrative purposes.Heretofore described " first ", " second " " third ", " the 4th " do not represent specific quantity and sequence, It is only used for the differentiation of title.
Please refer to Fig. 1 and Fig. 2, a kind of wheelchair 10 with Liftable armrest includes wheelchair body 11, armrest assembly 12, passes Motivation structure 13, actuator 14 and the walking mechanism 15 set on 11 bottom of wheelchair body, armrest assembly 12 can by transmission mechanism 13 It is movably arranged in wheelchair body 11, wheelchair body 11 has accommodation space 110, and actuator 14 is used for drive transmission device 13 Movement, transmission mechanism 13 is for driving armrest assembly 12 to be linked in the horizontal direction with vertical direction, so that armrest assembly 12 With being stretched in the first state of the outer upper side of wheelchair body 11, and the second state being contained in accommodation space 110.
Specifically, there is the wheelchair 10 (hereinafter referred to as wheelchair) of Liftable armrest can not only be used for individual wheelchair and made for this With also can be used as a part of Wheel-chair type bed and be used cooperatively with bedstead.Wherein, wheelchair body 11 constitutes the body frame of wheelchair 10 Frame, as shown in Fig. 2, wheelchair body 11 includes back bracket 111, portions bracket 112, leg support frame 113 and foot stand 114; It may be provided with back cushion in back bracket 111, be used to support the back and head of human body;It may be provided with cushion on portions bracket 112, It is used to support the buttocks of human body;It may be provided with leg pad on leg support frame 113, be used to support the leg of human body;In foot stand 114 It may be provided with foot pad, be used to support the foot of human body.Back bracket 111, portions bracket 112, leg support frame 113 and foot stand 114 successively it is movable connection and so that wheelchair body 11 is can be deformed into different shape, to meet different use demands, for example, wheel Chair ontology 11 can be transformed into the form of seat form or bed, in order to which user sits up or lies low.The bottom of wheelchair body 11 is set There is walking mechanism 15, can be used for band wheelchair 10 and moved in plane or slope surface, wherein walking mechanism 15 can be set to castor The forms such as component or Athey wheel.
The opposite sides of portions bracket 112, which is movably connected, armrest assembly 12, and the bottom of portions bracket 112 is equipped with Accommodation space 110, when wheelchair body 11 is in seat form, transmission mechanism 13 drives armrest assembly 12 to be converted into first state (as shown in Figure 1), at this point, armrest assembly 12 is stretched in the outer upper side of wheelchair body 11, it can taking convenient for user's hand It helps.When wheelchair body 11 converts form bed shape, transmission mechanism 13 drives armrest assembly 12 to be converted into the second state (such as Fig. 2 institute Show), armrest assembly 12 is contained in the lower section in accommodation space 110 and being hidden in cushion at this time.Particularly, when the wheelchair 10 and bed When frame combines to form integrated Wheel-chair type bed, it complete can accommodate to accommodation space 110 after declining due to armrest assembly 12, so exist On the basis of the overall width for not increasing Wheel-chair type bed, the interference between armrest assembly 12 and bedstead can effectively avoid, so as to protect Demonstrate,prove fluency and the safety of wheelchair 10 and bedstead split.
The above-mentioned wheelchair 10 with Liftable armrest by wheelchair body 11, armrest assembly 12, transmission mechanism 13 and drives Moving part 14 cooperation can be achieved armrest assembly 12 in the horizontal direction with the biaxially lifting of vertical direction.Specifically, when needs make When with handrail, being acted by 14 drive transmission device 13 of actuator, transmission mechanism 13 can laterally release armrest assembly 12, and Armrest assembly 12 is driven to be raised to first state upwards;When not needing using handrail, 14 drive transmission device 13 of actuator is anti- To movement, transmission mechanism 13 reversely drives the decline of armrest assembly 12 and traversing in accommodation space 110.In this way, without in chair cushion Armrest assembly 12 can be stored to the accommodating space being located at below chair cushion, can avoid handrail group by upper setting notch or piecemeal Part 12 crushes user due to generating interference with components such as chair cushion or wheelchair bodies 11 in lifting process, so as to effectively drop Low user's limb injury or the risk of handrail own mechanical damage.Wherein, actuator 14 can be people's power drive or be driven by electricity.
In addition, traditional wheelchair is due to the future insufficiency on chair cushion, in order to guarantee consistency and the association of chair cushion overall appearance Tonality needs to carry out handrail to handle with the consistent flexible package of chair cushion, increases the complexity and difficulty of manufacturing procedure, and through soft The handrail of packing processes arranges aspect existing defects in stability and cleaning.And wheelchair 10 of the invention can avoid well Defect is stated, since armrest assembly 12 can be hidden in below chair cushion, thus will not influence the globality of chair cushion.In this way, making handrail The design of component 12 is not limited by chair cushion, and armrest assembly 12 can be used the material different from chair cushion and be made.For example, armrest assembly 12 outsides can be coated with plastic shell, and when being configured with electronic control component on armrest assembly 12, plastic shell can also be to electronics Control element plays good protective action.
Referring to figure 3. and Fig. 4, transmission mechanism 13 includes the first connector 131 and second in one of the embodiments, One end of connector 132, the first connector 131 is hinged by first rotating shaft 133 and wheelchair body 11, the first connector 131 The other end and armrest assembly 12 are hinged, and one end of the second connector 132 is hinged by the second shaft 134 and wheelchair body 11, the The other end and armrest assembly 12 of two connectors 132 are hinged, and first rotating shaft 133 is spaced and is arranged in parallel with the second shaft 134, the A connection piece 131 can be rotated around first rotating shaft 133, and the second connector 132 can be rotated around the second shaft 134.
Specifically, the bottom of portions bracket 112 is equipped with the first mounting portion and the second mounting portion, and the first mounting portion is equipped with the One connecting hole, the second mounting portion are equipped with the second connecting hole, and the side of armrest assembly 12 is equipped with third mounting portion and the 4th installation Portion, third mounting portion are equipped with third connecting hole, and the 4th mounting portion is equipped with the 4th connecting hole.First connector 131 and second Steel material or aluminium alloy material specifically can be used in the arc-shaped setting of connector 132, the first connector 131 and the second connector 132 Matter is made, and one end of the first connector 131 is connect by first rotating shaft 133 with the first connecting hole, the first connector 131 it is another End is connect with third connecting hole, and one end of the second connector 132 is connect by the second shaft 134 with the second connecting hole, and second connects The other end of fitting 132 is connect with the 4th connecting hole.Portions bracket 112, the first connector 131, armrest assembly 12 and second connect Four-bar mechanism is formed between fitting 132, when the first connector 131 is rotated around first rotating shaft 133, the second connector 132 is around the When two shafts 134 rotate, armrest assembly 12 realizes being linked for horizontal direction and vertical direction under double-axle rotation effect, from And realize raising and lowering.13 overall structure of transmission mechanism is simple, occupies little space, can be realized using less components The bi-axial movement of armrest assembly 12, transmission efficiency is higher, while also can effectively reduce manufacture difficulty, saves production cost.
Further, the first connector 131 is provided with multiple, and multiple first connectors 131 are parallel and interval is arranged;With/ Or, the second connector 132 is provided with multiple, multiple second connectors 132 are parallel and interval setting.First connector 131 and The particular number of two connectors 132 can be configured according to actual needs, as long as not generating interference each other, it is ensured that transmission Mechanism 13 runs well.
As shown in figure 4, in one embodiment, there are two the settings of the first connector 131, two first connectors 131 it is parallel and Interval setting, first rotating shaft 133 are connected to the same end of two first connectors 131, and the second connector 132 is located at two first connections Between part 131, the hinge joint at 132 both ends of the second connector is located at the top of the hinge joint at 131 both ends of the first connector.Pass through two A first connector 131 and the second connector 132 cooperate, and good supporting role can be played to armrest assembly 12, so that handrail 12 uniform force of component, to guarantee the lifting stationarity of armrest assembly 12.
Further, armrest assembly 12 includes hand steered part 121 and support frame 122, and support frame 122 is set to hand steered part 121 The end of bottom, the first connector 131 and the second connector 132 is hinged with support frame 122 respectively.Specifically, hand steered part 121 Can be set to strip, in order to which user's hand and taking for wrist are helped, support frame 122 can adopt multiple columns connected with crossbeam and At frame-type structure, to play good supporting role to hand steered part 121.
Further, actuator 14 is push-rod electric machine, and the installation end of push-rod electric machine is connect with wheelchair body 11, push-rod electric machine Telescopic end connect with the second connector 132, the telescopic end of push-rod electric machine is flexible to drive the second connector 132 around the second shaft 134 rotations.Specifically, the installation end of push-rod electric machine can be articulated with to the bottom of portions bracket 112, push-rod electric machine is whole along level Direction inclination extends, and the telescopic end of push-rod electric machine can be screwed by plug to be connect with the second connector 132.When stretching for push-rod electric machine When contracting end is protruding, the second connector 132 is pushed to rotate around the second shaft 134, while driving the first connector 131 around first Shaft 133 rotates, and pushes armrest assembly 12 laterally to release under being linked of the first connector 131 and the second connector 132 And rise to the position taken and helped suitable for user.When the telescopic end of push-rod electric machine is shunk, the second connector of drive 132 and first connects Fitting 131 rotates backward, so as to decline hand steered component and be retracted in accommodation space 110.Using push-rod electric machine and second The cooperation of connector 132 and the first connector 131 is to realize the automatic lifting of armrest assembly 12, and overall structure is simple, and cooperation can It leans on.
Referring once again to Fig. 4, the second connector 132 includes arcuate rotation arm 1321, and is connected to arcuate rotation arm The actuating arm 1322 of 1321 bottom sides, actuating arm 1322 are located at arcuate rotation arm 1321 close to one end of the second shaft 134, and arc turns The both ends of swing arm 1321 are hingedly connected to wheelchair body 11 and armrest assembly 12, and the telescopic end and actuating arm 1322 of push-rod electric machine connect It connects.Wherein, metalwork integrated molding can be used in arcuate rotation arm 1321 and actuating arm 1322, to guarantee whole structural strength. Actuating arm 1322 is set to arcuate rotation arm 1321 close to one end of the second shaft 134, so that actuating arm 1322 arrives handrail group There is the longer arm of force, in this way, armrest assembly 12 can be driven to move using lesser thrust between part 12.
Certainly, other structures also can be used in actuator 14, for example, manual telescopic bar can also be used in actuator 14, pass through people Power is driven.In another example actuator 14 may include driving motor and worm drive component, worm drive component will be for that will drive The driving torque of motor output shaft is converted into axial push-pull effort, to drive the first connector 131 or the rotation of the second connector 132. Wherein, driving motor can be stepper motor or servo motor etc..
Specifically, worm drive component may include screw rod and the nut with screw rod worm drive, screw rod and driving motor Axis connection is exported, nut is connect with the second connector 132, and driving motor drives screw rod rotation, and nut is moved along screw rod, to drive Second connector 132 is rotated around the second shaft 134.Screw rod is driven forward or reverse by driving motor, to drive nut edge Screw rod does straight reciprocating motion, to push the rotation of the second connector 132, can also equally realize the lifting of armrest assembly 12.
Further, armrest assembly 12 is equipped with controller 16, and controller 16 and actuator 14 are electrically connected, controller 16 For controlling the start and stop of actuator 14.Controller 16 specifically may include control circuit board and control key, and control key can be pressed for entity Key, membrane keyboard or rocking handle etc., control key are electrically connected by control circuit board and actuator 14.Controller 16 is set to and is helped On hand component 12, it can be user-friendly for manipulating.
The present invention also proposes a kind of Wheel-chair type bed, as shown in figure 5, the Wheel-chair type bed includes bedstead and as above helps with liftable The wheelchair 10 of hand, bedstead are detachably connected with wheelchair 10.Specifically, the middle part of bedstead is equipped with the accommodating for accommodating wheelchair 10 Chamber, wheelchair 10 are detachably connected with bedstead.When wheelchair 10 and bedstead splice, first passes through transmission mechanism 13 and drive armrest assembly 12 It drops in the accommodation space 110 of wheelchair body 11, so on the basis of not increasing bedstead overall width, can effectively avoid and help Interference between hand component 12 and bedstead, to can guarantee fluency and the safety of wheelchair 10 and bedstead split.Wherein, the tool There is the specific structure of the wheelchair 10 of Liftable armrest to can refer to above-described embodiment, since this Wheel-chair type bed uses above-described embodiment All technical solutions, thus at least there are all beneficial effects brought by above-mentioned technical proposal, this is no longer going to repeat them.
Further, referring to figure 5., wheelchair 10 further includes the first back driving for driving back bracket 111 to rotate Mechanism 17, when back bracket 111 turns to flat, the first back driving mechanism 17 is separated with back bracket 111;Bed Frame includes bed body frame 21, back support 22 and the second back driving mechanism 23, one end and the bed body frame of back support 22 Frame 21 is rotatably connected, and when wheelchair 10 and bedstead split, back bracket 111 is overlapped on back support 22, the second back Driving mechanism 23 is for driving back support 22, to drive the lift drop synchronous with back bracket 111 of back support 22. So, it is ensured that during Wheel-chair type bed unitary back is lifted and is dropped, the first back driving mechanism 17 and the second back driving mechanism 23 will not generate interference, to guarantee the stability and safety of Wheel-chair type bed unitary back lift drop.
Further, it being adjusted for the ease of the height to Wheel-chair type bed, bedstead further includes pedestal 24 and elevating mechanism 25, Bed body frame 21 is installed on pedestal 24 by elevating mechanism 25, and elevating mechanism 25 can drive bed body frame 21 in vertical direction liter Drop.For example, elevating mechanism 25 may include cross link component 251 and lifting actuator 252, the lower end of cross link component 251 Hinged with pedestal 24, the upper end of cross link component 251 and bed body frame 21 are hinged, and lifting actuator 252 intersects for driving Link assembly 251 moves, to drive bed body frame 21 to go up and down.Lifting actuator 252 can be used push-rod electric machine or motor and subtract The fit structure etc. of fast device.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of wheelchair with Liftable armrest, which is characterized in that including wheelchair body, armrest assembly, transmission mechanism, driving Part and walking mechanism set on the wheelchair body bottom, the armrest assembly are movably installed on by the transmission mechanism In the wheelchair body, the wheelchair body has accommodation space, and the actuator is for driving the transmission mechanism to act, institute Transmission mechanism is stated for driving the armrest assembly to be linked in the horizontal direction with vertical direction, so that the armrest assembly has There are the first state for being stretched in the outer upper side of the wheelchair body, and the second state being contained in the accommodation space.
2. the wheelchair according to claim 1 with Liftable armrest, which is characterized in that the transmission mechanism includes first Connector and the second connector, one end of first connector is hinged by first rotating shaft and the wheelchair body, and described the The other end of a connection piece and the armrest assembly are hinged, and one end of second connector passes through the second shaft and the wheelchair Ontology is hinged, and the other end and the armrest assembly of second connector are hinged, the first rotating shaft and second shaft It is spaced and is arranged in parallel, first connector can be rotated around the first rotating shaft, and second connector can be around described second Shaft rotation.
3. the wheelchair according to claim 2 with Liftable armrest, which is characterized in that first connector is provided with Multiple, multiple first connectors are parallel and interval is arranged;And/or second connector be provided with it is multiple, it is multiple described Second connector is parallel and interval is arranged.
4. the wheelchair according to claim 3 with Liftable armrest, which is characterized in that first connector is provided with Two, two first connectors are parallel and interval setting, the first rotating shaft are connected to the same of two first connectors End, between two first connectors, the hinge joint at second connector both ends is located at described second connector The top of the hinge joint at the first connector both ends.
5. the wheelchair according to claim 2 with Liftable armrest, which is characterized in that the armrest assembly includes hand steered Part and support frame, support frame as described above are set to the bottom of the hand steered part, the end of first connector and second connector Portion is hinged with support frame as described above respectively.
6. the wheelchair according to claim 2 with Liftable armrest, which is characterized in that the actuator is push rod electricity Machine, the installation end of the push-rod electric machine are connect with the wheelchair body, and the telescopic end of the push-rod electric machine is connect with described second Part connection, the telescopic end of the push-rod electric machine are flexible to drive second connector to rotate around second shaft.
7. the wheelchair according to claim 6 with Liftable armrest, which is characterized in that second connector includes arc Shape cursor, and it is connected to the actuating arm of arcuate rotation arm bottom side, the actuating arm is located at the arcuate rotation arm rest One end of nearly second shaft, the both ends of the arcuate rotation arm are hingedly connected to the wheelchair body and the handrail group Part, the telescopic end of the push-rod electric machine are connect with the actuating arm.
8. the wheelchair according to claim 6 with Liftable armrest, which is characterized in that the actuator includes driving electricity Machine and worm drive component, the worm drive component are used to the driving torque of the driving motor output shaft being converted into axial direction Push-pull effort, to drive first connector or second connector to rotate.
9. according to claim 1 to the wheelchair described in 8 any one with Liftable armrest, which is characterized in that the handrail Component is equipped with controller, and the controller and the actuator are electrically connected, and the controller is for controlling the actuator Start and stop.
10. a kind of Wheel-chair type bed, which is characterized in that including bedstead and it is as claimed in any one of claims 1 to 9 have liftable The wheelchair of handrail, the bedstead are detachably connected with the wheelchair with Liftable armrest.
CN201910342148.6A 2019-04-26 2019-04-26 Wheelchair and Wheel-chair type bed with Liftable armrest Pending CN109907894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910342148.6A CN109907894A (en) 2019-04-26 2019-04-26 Wheelchair and Wheel-chair type bed with Liftable armrest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910342148.6A CN109907894A (en) 2019-04-26 2019-04-26 Wheelchair and Wheel-chair type bed with Liftable armrest

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Publication Number Publication Date
CN109907894A true CN109907894A (en) 2019-06-21

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CN201910342148.6A Pending CN109907894A (en) 2019-04-26 2019-04-26 Wheelchair and Wheel-chair type bed with Liftable armrest

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110711084A (en) * 2019-10-17 2020-01-21 广东博智林智能技术有限公司 Armrest lifting device and wheelchair
CN111163739A (en) * 2019-10-18 2020-05-15 广东博智林智能技术有限公司 Wheelchair bed
CN111938942A (en) * 2020-08-11 2020-11-17 常州工学院 Multifunctional old-person assisting bed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110711084A (en) * 2019-10-17 2020-01-21 广东博智林智能技术有限公司 Armrest lifting device and wheelchair
CN110711084B (en) * 2019-10-17 2021-02-12 广东博智林智能技术有限公司 Armrest lifting device and wheelchair
CN111163739A (en) * 2019-10-18 2020-05-15 广东博智林智能技术有限公司 Wheelchair bed
CN111938942A (en) * 2020-08-11 2020-11-17 常州工学院 Multifunctional old-person assisting bed

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