CN109907893A - Multifunctional wheelchair and Wheel-chair type bed - Google Patents
Multifunctional wheelchair and Wheel-chair type bed Download PDFInfo
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- CN109907893A CN109907893A CN201910342051.5A CN201910342051A CN109907893A CN 109907893 A CN109907893 A CN 109907893A CN 201910342051 A CN201910342051 A CN 201910342051A CN 109907893 A CN109907893 A CN 109907893A
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- 210000002414 leg Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
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- 230000033001 locomotion Effects 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
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- 210000003141 lower extremity Anatomy 0.000 description 1
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Abstract
The present invention relates to a kind of multifunctional wheelchair and Wheel-chair type beds.Wherein, which includes: portions support frame, and bottom is equipped with walking mechanism；Shank plate bracing frame, one end are rotatably connected with portions support frame；First driving mechanism, driving shank plate bracing frame are rotated relative to portions support frame；And linkage mechanism, including lifting connecting rod and sliding seat, sliding seat is equipped with strip groove, one end and the shank plate bracing frame for being lifted connecting rod are hinged, and middle part and the portions support frame for being lifted connecting rod are hinged, and the other end for being lifted connecting rod is slidably connected in strip groove, one end and portions support frame far from lifting connecting rod of sliding seat are hinged, it can be used for supporting thigh plate at the top of sliding seat, sliding seat can decline with the lifting of shank plate bracing frame, and be lifted with the decline of shank plate bracing frame.Multifunctional wheelchair of the invention can realize the linkage control of calf plate Yu thigh plate, while can also be achieved the deformation for meeting a variety of postures of ergonomics feature.
Description
Technical field
The present invention relates to medical nursing equipment fields, more particularly to a kind of multifunctional wheelchair and Wheel-chair type 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.
Wherein, deformable multifunctional wheelchair is the core component of Wheel-chair type bed, and leg lifting/landing is wheelchair and Wheel-chair type bed
The basic function of product.Traditional wheelchair realizes lower limb by assisting thigh plate, calf plate and pedal sectional design
Multiple posture movements.Related product mostly uses single driving motor is corresponding to drive each support frame plate lifting/landing, only to realize
Vertical control, but the complexity and research and development of products cost that control is increased using one side of multi-drive motor, it is on the other hand, multiple
The use of motor also impacts the Electro Magnetic Compatibility of product.In addition, portioned product is controlled using garbatrage, but thus produce
The problem of interfering between raw function especially switchs to bending knee prostrate from prostrate state and switchs to sitting posture shape from prostrate state
When state, existing thigh plate, which exists with the design of the linkage control of calf plate with action request, to conflict, can not be in various different gestures
Ergonomics feature can be met well down, to influence the usage comfort of user.
Summary of the invention
Based on this, it is necessary to the leg linkage control design for traditional multifunctional wheelchair conflicts with action request presence,
The problem of capable of can not meeting well ergonomics feature under various different gestures, provides a kind of multifunctional wheelchair and wheelchair
Bed.
A kind of multifunctional wheelchair, comprising:
Portions support frame, bottom are equipped with walking mechanism；
Shank plate bracing frame, one end are rotatably connected with the portions support frame；
First driving mechanism drives the shank plate bracing frame to rotate relative to the portions support frame；And
Linkage mechanism, including lifting connecting rod and sliding seat, the sliding seat are equipped with strip groove, one end of the lifting connecting rod
Hinged with the shank plate bracing frame, the middle part of the lifting connecting rod and the portions support frame are hinged, the lifting connecting rod
The other end is slidably connected in the strip groove, the sliding seat one end and the portions branch far from the lifting connecting rod
Support is hinged, can be used for supporting thigh plate at the top of the sliding seat, the sliding seat can be with the lift of the shank plate bracing frame
It rises and declines, and be lifted with the decline of the shank plate bracing frame.
Above-mentioned multifunctional wheelchair is linked by the first driving mechanism, shank plate bracing frame and linkage mechanism, can be real
The linkage control of existing calf plate and thigh plate, while can also be achieved the deformation of a variety of postures.Specifically, the top of shank plate bracing frame
Portion is equipped with calf plate, is equipped with thigh plate at the top of sliding seat, when needing to be converted into prostrate state from sitting posture state, passes through
First driving mechanism drives shank plate bracing frame to be rotated up lifting, and then lifting connecting rod is driven to rotate around portions support frame, lift
Rise connecting rod sliding end along strip groove slide, sliding seat can be driven to rotate down landing around portions support frame, at this point, calf plate and
Thigh plate is generally in same plane, meets the ergonomics feature of prostrate state, the leg of human body can be made to unfold；When need from
When prostrate state is converted into sitting posture state, shank plate bracing frame is driven to rotate down landing, and then band by the first driving mechanism
Dynamic lifting connecting rod rotates backward, and is lifted the sliding end of connecting rod along strip groove reverse slide, sliding seat can be driven to be lifted upwards, at this time
Thigh plate is slightly inclined upwards close to the side of calf plate, meets the ergonomics feature of sitting posture state, can effectively promote use
The usage comfort of person.
In one of the embodiments, the portions support frame be equipped with accommodating space, when the shank plate bracing frame to
On be raised to when being higher by horizontal plane certain angle, the end of the lifting connecting rod and the sliding seat are contained in the accommodating sky
Between.
The sliding seat includes opposite and spaced two side support plates, Yi Jishe in one of the embodiments,
Topmast fagging at the top of two side support plates, the strip groove is correspondingly provided in two side support plates, and the lifting connects
The opposite sides of bar is respectively equipped with the sliding part being slidably matched with the strip groove, and the thigh plate is connected to the top support
Plate.
The end of the lifting connecting rod is equipped with the axis hole worn for sliding axle, the sliding in one of the embodiments,
The both ends of axis externally protrude out in the lifting connecting rod and form the sliding part.
The lower end of the shank plate bracing frame has been rotatably coupled foot support frame, institute in one of the embodiments,
Stating the first driving mechanism includes the first actuator and transmission support frame, and the transmission support frame is located at the shank plate bracing frame
Lower section, the upper end of the transmission support frame and the portions support frame are hinged, the lower end of the transmission support frame and the foot
Support frame is hinged, between the portions support frame, the transmission support frame, the foot support frame and the shank plate bracing frame
Parallelogram linkage is formed, first actuator is for driving the transmission support frame to rotate.
The transmission support frame includes two side support bars being oppositely arranged in one of the embodiments, and connection
Transverse support bar between two side support bars, the lower end of the side support bar and the foot support frame are hinged, described
The upper end of side support bar and the portions support frame are hinged, the middle part of the transverse support bar be equipped with for the first actuator
Drive the attachment base of end connection.
The foot support frame includes foot support frame, support column and two linking arms, institute in one of the embodiments,
The opposite sides for stating foot support frame is hinged with the shank plate bracing frame respectively, and the support column is set to the foot support frame
Bottom, two linking arms are inclined to set, and one end of the linking arm is fixedly connected with the foot support frame, the other end
It is hinged with the side support bar.
The portions support frame includes portions support frame in one of the embodiments, and is set to the portions and supports
Two collateral support frames of the bottom opposite sides of frame are connected with crossbeam between the two collateral support frames, and first actuator is
Push-rod electric machine, the installation end of the push-rod electric machine are connected to the crossbeam, and the telescopic end of the push-rod electric machine tilts extension upwards
And it is connect with the transmission support frame.
The multifunctional wheelchair further includes back support and the second driving mechanism in one of the embodiments, described
The lower end of back support is rotatably connected with the portions support frame, and second driving mechanism is for driving the back branch
Support is rotated relative to the portions support frame.
A kind of Wheel-chair type bed, including bedstead and multifunctional wheelchair as described above, the multifunctional wheelchair and the bedstead can
Dismantling connection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multifunctional wheelchair first state described in one embodiment of the invention；
Fig. 2 is the partial enlargement diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of the second state of multifunctional wheelchair in Fig. 1；
Fig. 4 is the structural schematic diagram of the multifunctional wheelchair third state in Fig. 1；
Fig. 5 is the thigh plate of wheelchair and the cooperation schematic diagram of calf plate under the third state；
Fig. 6 is the structural schematic diagram of Wheel-chair type bed described in one embodiment of the invention.
10, wheelchair, 11, portions support frame, 110, accommodating space, 111, portions support frame, 112, collateral support frame, 113, cross
Beam, 114, seat plate, 115, handrail, 12, walking mechanism, 13, shank plate bracing frame, 131, calf plate, the 14, first driving mechanism,
141, the first actuator, 142, transmission support frame, 1421, side support bar, 1422, transverse support bar, 15, linkage mechanism, 151,
It is lifted connecting rod, 152, sliding seat, 1521, strip groove, 1522, side support plate, 1523, topmast fagging, 153, thigh plate, 16, foot
Portion's support frame, 160, pedal, 161, foot support frame, 162, support column, 163, linking arm, 17, back support, 171, guiding
Part, the 18, second driving mechanism, 181, push away back bar, 182, shaft, 183, slide-bar, the 184, second actuator, 21, bed body frame,
22, back frame, 23, third driving mechanism, 24, pedestal, 25, elevating mechanism, 251, cross link component, 252, lifting driving
Part.
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 " do not represent specific quantity and sequence, only use
In the differentiation of title.
For convenience, "upper" herein, "lower" are when being in sitting posture state using wheelchair 10 as reference, such as Fig. 1 institute
Show, a kind of multifunctional wheelchair 10 includes portions support frame 11, shank plate bracing frame 13, the first driving mechanism 14 and linkage mechanism
15.The bottom of portions support frame 11 is equipped with walking mechanism 12 (such as castor assembly or Athey wheel), in order to the movement of wheelchair 10.
The upper end of shank plate bracing frame 13 is rotatably connected with portions support frame 11；First driving mechanism 14 is for driving calf plate to support
Frame 13 is rotated relative to portions support frame 11；Referring to figure 2., linkage mechanism 15 includes lifting connecting rod 151 and sliding seat 152, is slipped
Seat 152 is equipped with strip groove 1521, and lower end and the shank plate bracing frame 13 for being lifted connecting rod 151 are hinged, be lifted the middle part of connecting rod 151 with
Portions support frame 11 is hinged, and the upper end of lifting connecting rod 151 is slidably connected in strip groove 1521, slips seat 152 far from lift
One end and the portions support frame 11 for rising connecting rod 151 are hinged, and the top of sliding seat 152 can be used for supporting thigh plate 153, slip seat
152 can decline with the lifting of shank plate bracing frame 13, and be lifted with the decline of shank plate bracing frame 13.
Specifically, as Fig. 5, portions support frame 11 are used to form main body supporting structure, the top of portions support frame 11 can pacify
Equipped with seat plate 114, to be used to support the buttocks of human body, the side of portions support frame 11 may be provided with liftable handrail 115.It is small
The top of leg plate bracing frame 13 is mountable calf plate 131, is used to support the shank of human body；The top of sliding seat 152 is mountable
There is thigh plate 153, to be used to support the thigh of human body.Preferably, controller is provided on handrail 115, controller and first drive
Motivation structure 14 is electrically connected, and the first driving mechanism 14 drives shank plate bracing frame 13 to rotate under the control of the controller, and realizes
The lifting or landing of calf plate 131, shank plate bracing frame 13 drives linkage mechanism 15 to move, to realize the drop of thigh plate 153
It falls or is lifted, it is simple to operate, and only need a set of driving device that can realize the linkage control of calf plate 131 Yu thigh plate 153
System can avoid the interference problem generated using more set driving devices, while also can effectively reduce cost.
Above-mentioned multifunctional wheelchair 10 is matched by the linkage of the first driving mechanism 14, shank plate bracing frame 13 and linkage mechanism 15
The linkage control, it can be achieved that calf plate 131 and thigh plate 153 is closed, while can also be achieved the deformation of a variety of postures.Specifically, small
The top of leg plate bracing frame 13 is equipped with calf plate 131, and the top of sliding seat 152 is equipped with thigh plate 153, when needing from sitting posture
When state is converted into prostrate state, shank plate bracing frame 13 is driven to be rotated up lifting, and then band by the first driving mechanism 14
Dynamic lifting connecting rod 151 is rotated around portions support frame 11, and the lower end of lifting connecting rod 151 is lifted upwards, is lifted under the upper end of connecting rod 151
It falls and is slided along strip groove 1521, and then sliding seat 152 is driven to rotate down landing around portions support frame 11, at this point, calf plate
131 are generally in same plane with thigh plate 153, meet the ergonomics feature of prostrate state, the leg of human body can be made to unfold；
When needing to be converted into sitting posture state from prostrate state, shank plate bracing frame 13 is driven to rotate down by the first driving mechanism 14
Landing, and then lifting connecting rod 151 is driven to rotate backward, the sliding end of lifting connecting rod 151, can band along 1521 reverse slide of strip groove
The dynamic lifting upwards of sliding seat 152, thigh plate 153 is slightly inclined upwards close to the side of calf plate 131 at this time, meets sitting posture state
Ergonomics feature, can effectively promote the usage comfort of user.
In one of the embodiments, referring to figure 4., portions support frame 11 is equipped with accommodating space 110, when calf plate branch
Support 13 is raised to upwards when being higher by horizontal plane certain angle, and the end and sliding seat 152 for being lifted connecting rod 151 are contained in accommodating
Space 110.Specifically, linkage mechanism 15 may be configured as one or more sets, as long as being able to drive the lift drop of thigh plate 153.Example
Such as, in the present embodiment, linkage mechanism 15 is set as a set of, and is located in shank plate bracing frame 13 and portions support frame 11
Portion, to guarantee to provide more balanced support force.The hinged place of portions support frame 11 and lifting connecting rod 151 is equipped with evacuation and lacks
Mouthful, to guarantee that lifting connecting rod 151 will not generate interference with portions support frame 11 during rotation, portions support frame 11 is corresponding to be slided
The position of joint chair 152 is provided with accommodating cavity, and accommodating cavity is connected to evacuation notch and forms accommodating space 110.
When user, which needs to become to lie on the back from prostrate, to bend the knee, calf plate support need to be only driven by the first actuator 141
Frame 13 is lifted and is higher by upwards horizontal plane certain angle, and the sliding end for being lifted connecting rod 151 is slided along strip groove 1521, and is pushed
Sliding seat 152 is displaced downwardly to the top surface lower than portions support frame 11, and is down in accommodating space 110, at this point, before calf plate 131
Side is in upward heeling condition, thigh plate 153 due to portions support frame 11 support and keep horizontality (as shown in Figure 5),
To realize by prostrate state to the deformation for bending knee of lying on the back, to meet the ergonomics feature lain on the back under bending knee state.
Referring once again to Fig. 2, further, slipping seat 152 includes opposite and spaced two side support plates 1522,
And the topmast fagging 1523 set on 1522 top of plate supported on both sides, strip groove 1521 is correspondingly provided on plate 1522 supported on both sides,
The opposite sides of lifting connecting rod 151 is respectively equipped with the sliding part being slidably matched with strip groove 1521, and thigh plate 153 is connected to topmast
Fagging 1523.It is slidably matched respectively with two strip grooves 1521 by two sliding parts, so that lifting connecting rod 151 and sliding seat
Cooperation between 152 is more reliable, so that topmast fagging 1523 and the lifting of thigh plate 153 are more stable.
Further, the end for being lifted connecting rod 151 is equipped with the axis hole worn for sliding axle (not shown), the both ends of sliding axle
It externally protrudes out in lifting connecting rod 151 and forms sliding part.By being provided with axis hole in the end of lifting connecting rod 151, in assembly, first will
The end of lifting connecting rod 151 is placed between two side support plates 1522, then sliding axle is passed through axis hole, and can make the end of sliding axle
Portion is slidably connected with strip groove 1521, and structure is simple, convenient for assembly.Preferably, also the end of sliding axle can be provided with rolling
Bearing, so that the sliding of sliding axle is more smoothly.
Further, please with reference to Fig. 1 and Fig. 4, the lower end of shank plate bracing frame 13 has been rotatably coupled foot's branch
Support 16, the first driving mechanism 14 include the first actuator 141 and transmission support frame 142, and transmission support frame 142 is located at calf plate
The lower section of support frame 13, the upper end of transmission support frame 142 and portions support frame 11 are hinged, the lower end of transmission support frame 142 and foot
Portion's support frame 16 is hinged, shape between portions support frame 11, transmission support frame 142, foot support frame 16 and shank plate bracing frame 13
At parallelogram linkage, the first actuator 141 is for driving transmission support frame 142 to rotate.Wherein, foot support frame 16
On may be provided with pedal 160, to be supported to human foot.142 turns of transmission support frame are driven by the first actuator 141
It is dynamic, so realize foot support frame 16, shank plate bracing frame 13 and linkage mechanism 15 movement, it can be achieved that wheelchair 10 sitting posture,
Lie down and lie on the back the conversion between states such as bending knee.
Further, referring to figure 4., transmission support frame 142 includes two side support bars 1421, Yi Jilian being oppositely arranged
The transverse support bar 1422 being connected between bar 1421 supported on both sides, the lower end of side support bar 1421 and foot support frame 16 are hinged,
The upper end of side support bar 1421 and portions support frame 11 are hinged, the middle part of transverse support bar 1422 be equipped with for the first actuator
The attachment base of 141 driving end connection.Two side support bars 1421 are connected in one by transverse support bar 1422, so that passing
The overall structural strength of dynamic support frame 142 is higher, to guarantee stronger stability of strutting system, wherein transverse support bar 1422 can be set
It is set to one or more.By the way that the driving end of the first actuator 141 is connected with the attachment base for being located at 1422 middle part of transverse support bar
It connects, to guarantee the robust motion of transmission support frame 142.
Further, foot support frame 16 includes foot support frame 161, support column 162 and two linking arms 163, foot
The opposite sides of support frame 161 is hinged with shank plate bracing frame 13 respectively, and support column 162 is set to the bottom of foot support frame 161,
Two linking arms 163 are inclined to set, and one end of linking arm 163 is fixedly connected with foot support frame 161, the other end and side support bar
1421 is hinged.When wheelchair 10 is in sitting posture state, due to being also easy to produce machine by human foot's pedal force at foot support frame 161
Tool deformation, by the way that support column 162 is arranged, the bottom of support column 162 can be abutted with ground, so as to rise to foot support frame 161
To good supporting role, foot support frame 161 is reduced because trampling for a long time due to the risk of deformed damaged, is prolonged the service life.
Please continue to refer to Fig. 4, further, portions support frame 11 includes portions support frame 111, and is set to portions and supports
The collateral support frame 112 of two of the bottom opposite sides of frame 111 is connected with crossbeam 113, the first driving between frame 112 supported on both sides
Part 141 is push-rod electric machine, and the installation end of push-rod electric machine is connected to crossbeam 113, the telescopic end of push-rod electric machine tilt upwards extend and
It is connect with transmission support frame 142.
Specifically, when the telescopic end of push-rod electric machine is released obliquely upward, transmission support frame 142, foot support can be driven
Frame 16 and the lifting upwards together of portions support frame 11, and then the synchronous lifting in the lower end of lifting connecting rod 151 is driven, it is lifted connecting rod 151
Upper end push sliding seat 152 to fall；When the telescopic end of push-rod electric machine is oliquely downward shunk, can drive transmission support frame 142,
Foot support frame 16 and portions support frame 11 fall together, and then drive the lower end of lifting connecting rod 151 is synchronous to fall, and are lifted connecting rod
151 upper end drives sliding seat 152 to be lifted.It is driven using push-rod electric machine, structure is simple, and cooperation is reliable, and certainly, first drives
Other driving structures also can be used in moving part 141, for example, stepper motor and screw-drive mechanism cooperation can be used, as long as being able to achieve
The rotation of transmission support frame 142, is not specifically limited herein.
Further, Fig. 1 is please referred to, multifunctional wheelchair 10 further includes back support 17 and the second driving mechanism 18, back
The lower end of portion's support frame 17 is rotatably connected with portions support frame 11, and the second driving mechanism 18 is for driving 17 phase of back support
Portions support frame 11 is rotated.Wherein, the top of back support 17 can be equipped with backboard, can be to back by the second driving mechanism 18
The angle of portion's support frame 17 is adjusted, to meet different use demands.For example, can lead to when user wants to lie down rest
Crossing the second driving mechanism 18 drives back support 17 to turn to horizontality, at this point, calf plate 131, thigh plate 153, seat plate
114 and backboard be generally in same plane, in order to user prostrate；When user wants to sit up or go on a journey, second can be passed through
Driving mechanism 18 drives back support 17 to be lifted upwards, while the first driving mechanism 14 drives shank plate bracing frame 13 and linkage
Mechanism 15 moves, so that wheelchair 10 be made to be deformed into seat state.
As shown in figure 3, second driving mechanism 18 includes pushing away back bar 181, shaft 182, slide-bar 183 and the in implementing one
Two actuators 184, shaft 182 are installed on portions support frame 11, and the one end for pushing away back bar 181 is rotatably connected at shaft 182
Middle part, the other end for pushing away back bar 181 are connected to the middle part of slide-bar 183, and the opposite sides of back support 17 is respectively equipped with and slides
The guide part 171 that the both ends of axis 183 are slidably matched, actuator pushes away back bar 181 and rotates for driving, to drive slide-bar 183 along leading
It is slided to part 171, and then back support 17 is driven to rotate.Specifically, during lifting, band is rotated by pushing away back bar 181
Dynamic slide-bar 183 is slided along guide part 171, and slide-bar 183 can be to the two sides of back support 17 while sliding along guide part 171
It exerts a force simultaneously, so that two sides stress balance during lifting of back support 17, in this way, working as the endurance of back support 17
Increase or partially side load when, be still able to maintain stable support, thus guarantee wheelchair 10 back lifting process stability and
Safety, while also can effectively reduce the risk of the second actuator 184 and the generation mechanically deform damage of back support 17.Second
Actuator 184 can be used but be not limited to push-rod electric machine.
Fig. 6 is please referred to, the present invention also proposes a kind of Wheel-chair type bed, which includes bedstead and wheelchair 10, wheelchair 10 and bed
Frame is detachably connected.Wherein, the specific structure of the multifunctional wheelchair 10 can refer to above-described embodiment, since this Wheel-chair type bed uses
All technical solutions of above-described embodiment, thus at least there are all beneficial effects brought by above-described embodiment, herein no longer
It repeats one by one.
Further, as shown in fig. 6, bedstead includes bed body frame 21, back frame 22 and third driving mechanism 23, back
One end of frame 22 is rotatably connected with bed body frame 21, and when wheelchair 10 and bedstead split, back support 17 is overlapped in back
On portion's frame 22, third driving mechanism 23 is for driving back frame 22, to drive back frame 22 and back-supported
The synchronous lift drop of frame 17, so that the back lift drop function of Wheel-chair type bed entirety can be realized.
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 but be not limited to push-rod electric machine or
Motor and the fit structure of retarder etc..
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 multifunctional wheelchair characterized by comprising
Portions support frame, bottom are equipped with walking mechanism；
Shank plate bracing frame, one end are rotatably connected with the portions support frame；
First driving mechanism drives the shank plate bracing frame to rotate relative to the portions support frame；And
Linkage mechanism, including lifting connecting rod and sliding seat, the sliding seat are equipped with strip groove, one end of the lifting connecting rod and institute
State that shank plate bracing frame is hinged, the middle part of the lifting connecting rod and the portions support frame are hinged, described to be lifted the another of connecting rod
End is slidably connected in the strip groove, the sliding seat one end and the portions support frame far from the lifting connecting rod
Hingedly, can be used for supporting thigh plate at the top of the sliding seat, the sliding seat can with the lifting of the shank plate bracing frame and
Decline, and be lifted with the decline of the shank plate bracing frame.
2. multifunctional wheelchair according to claim 1, which is characterized in that the portions support frame is equipped with accommodating space,
When the shank plate bracing frame is raised to upwards is higher by horizontal plane certain angle, the end of the lifting connecting rod and described sliding
Seat is contained in the accommodating space.
3. multifunctional wheelchair according to claim 1, which is characterized in that the sliding seat includes opposite and spaced
Two side support plates, and the topmast fagging at the top of two side support plates are correspondingly provided with institute in two side support plates
Strip groove is stated, the opposite sides of the lifting connecting rod is respectively equipped with the sliding part being slidably matched with the strip groove, the thigh
Plate is connected to the topmast fagging.
4. multifunctional wheelchair according to claim 3, which is characterized in that the end of the lifting connecting rod is equipped with for sliding axle
The axis hole worn, the both ends of the sliding axle externally protrude out in the lifting connecting rod and form the sliding part.
5. multifunctional wheelchair according to claim 1, which is characterized in that the lower end of the shank plate bracing frame is rotationally
It is connected with foot support frame, first driving mechanism includes the first actuator and transmission support frame, transmission support frame position
In the lower section of the shank plate bracing frame, the upper end of the transmission support frame and the portions support frame are hinged, the transmission branch
The lower end of support and the foot support frame are hinged, the portions support frame, the transmission support frame, the foot support frame and
Parallelogram linkage is formed between the shank plate bracing frame, first actuator is for driving the transmission support
Frame rotation.
6. multifunctional wheelchair according to claim 5, which is characterized in that the transmission support frame includes two be oppositely arranged
A side support bar, and the transverse support bar being connected between two side support bars, the lower end of the side support bar with it is described
Foot support frame is hinged, and the upper end of the side support bar and the portions support frame are hinged, sets in the middle part of the transverse support bar
There is the attachment base connecting for the driving end with the first actuator.
7. multifunctional wheelchair according to claim 6, which is characterized in that the foot support frame include foot support frame,
Support column and two linking arms, the opposite sides of the foot support frame is hinged with the shank plate bracing frame respectively, the branch
Dagger is set to the bottom of the foot support frame, and two linking arms are inclined to set, one end of the linking arm and the foot
Portion's support frame is fixedly connected, and the other end and the side support bar are hinged.
8. multifunctional wheelchair according to claim 6, which is characterized in that the portions support frame includes portions support frame,
And two collateral support frames of the bottom opposite sides set on the portions support frame, cross is connected between the two collateral support frames
Beam, first actuator are push-rod electric machine, and the installation end of the push-rod electric machine is connected to the crossbeam, the push-rod electric machine
Telescopic end tilts extension upwards and connect with the transmission support frame.
9. according to claim 1 to multifunctional wheelchair described in 8 any one, which is characterized in that further include back support and
Second driving mechanism, the lower end of the back support are rotatably connected with the portions support frame, second driving mechanism
For driving the back support to rotate relative to the portions support frame.
10. a kind of Wheel-chair type bed, which is characterized in that including bedstead and multifunctional wheel as claimed in any one of claims 1 to 9
Chair, the multifunctional wheelchair are detachably connected with the bedstead.
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| CN201910342051.5A CN109907893B (en) | 2019-04-26 | 2019-04-26 | Multifunctional wheelchair and wheelchair bed |
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| CN109907893B CN109907893B (en) | 2024-09-10 |
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