CN215960695U - Novel walking-assisting wheelchair - Google Patents

Abstract

The utility model relates to a novel walking-assisted wheelchair, which comprises two parallel bases, wherein lifting platforms capable of lifting are arranged at the tops of the front ends of the two bases, each lifting platform is in an inverted L shape, the top end of each lifting platform extends backwards and horizontally, the rear ends of the two lifting platforms are rotatably connected with back boards, the two back boards are contacted and locked when rotating to the same vertical plane, the back boards are matched with connecting rods erected between the front ends of the two lifting platforms to enclose to form a square shape, the lower surfaces of the lifting platforms near the rear ends are provided with connecting plates, the connecting plates are hinged with cushion rods, the lower ends of the cushion rods are vertically connected with cushions, the two cushions are contacted when rotating to the same horizontal plane, the bases are connected into a whole through a fixing box, and universal casters are arranged at the bottom ends of the bases.

Description

Novel walking-assisting wheelchair

Technical Field

The utility model relates to a novel walking assisting wheelchair.

Background

The conventional auxiliary wheelchair has a single function and cannot be applied to the living life integral with a user, namely, the conventional auxiliary wheelchair cannot personally finish daily behaviors such as moving, toileting and the like.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a novel walking assisting wheelchair which is reasonable in structure and convenient and fast to operate.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a novel walking assistance wheelchair, includes the base of two parallel arrangement, two base front end tops all are equipped with the elevating platform of liftable, the elevating platform is the type of falling L, and its top is towards the level extension of back, and two elevating platform rear ends all rotate and are connected with the back board, and two back boards contact and lock when adversion to same vertical plane to the connecting rod that erects between the two elevating platform front ends of cooperation encloses to establish and is squarely, the nearly rear end lower surface of elevating platform all is provided with the connecting plate, all articulates on the connecting plate to have a cushion pole, and cushion pole lower extreme all connects the cushion perpendicularly, and two cushions contact when changeing to same horizontal plane, connect as an organic wholely through the fixed box between the base, universal truckle is all installed to the base bottom.

Furthermore, threaded rods are screwed in the vertical sections of the lifting platform, the lower ends of the threaded rods are driven by motors to rotate to achieve lifting of the lifting platform, the motors are installed in the fixed boxes, and driving power supplies connected with the motors are further arranged in the fixed boxes.

Furthermore, the front ends of the two lifting adjusting tops extend upwards to form handrails.

Furthermore, the rotation of the backrest plate and the seat cushion provides torque through the torque motor.

Furthermore, the rear end of the lifting table extends out of a positioning plate to be hinged with the back rest plates, and electric mortise locks are arranged between the positioning plate and the back rest plates and between the connecting plate and the cushion rods, namely the two back rest plates are locked when turned inwards to the same vertical plane and the two cushions are turned to the same horizontal plane to play a supporting role.

Further, the elevating platform rear end sets up the mounting groove that the cross-section is "protruding" font forward, and the elevating platform is worn out to this mounting groove lower extreme, the connecting plate includes preceding connecting plate and the back connecting plate of establishing the cushion rod clamp in the middle of establishing to wear to establish through the pivot that extends around one, two connecting plate tops are the font of falling the convexity of pegging graft with the mounting groove cooperation, and preceding connecting plate top is in the mounting groove bottom, and preceding connecting plate rear end connects spacingly through the locating plate top, and it is spacing that the locating plate front end is inserted the gag lever post of establishing into the mounting groove and crossing about through.

Further, the cushion upper surface all is equipped with the arc recess of concavity down, and this recess runs through the cushion around all.

Furthermore, the top of the fixed box is fixedly connected with an obliquely extending pedal, and the top end surface of the fixed box is obliquely and downwardly extending from front to back.

Compared with the prior art, the utility model has the following beneficial effects: the auxiliary wheelchair can move through the product without changing the sitting posture, and is not similar to a common wheelchair in which a user stands or other people help to sit, so that convenience is provided for the user and family members. The device can also help a user to automatically finish certain daily life behaviors such as moving, using a toilet and the like.

1. The function of self-help and self-relaxation wheelchair-climbing without the assistance of others by sitting on the bed is realized.

2. By utilizing the lifting structure, the size of the wheelchair can be adjusted, and the wheelchair is suitable for beds with different heights and toilet environments.

3. The supporting structure is installed, so that the old can get up and sit down, and the old is more labor-saving.

4. Adjusting the angle of the backrest increases the user experience.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the lifting table and the seat cushion and back board according to the embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a diagram illustrating a first usage status of a user according to an embodiment of the present invention;

FIG. 5 is a diagram illustrating a second usage status of a user according to an embodiment of the present invention;

FIG. 6 is a third schematic diagram illustrating a user usage status according to an embodiment of the present invention;

fig. 7 is a fourth schematic view of a user using state according to the embodiment of the present invention.

In the figure: 1-base, 2-lifting platform, 3-backboard, 4-connecting rod, 5-connecting plate, 6-cushion rod, 7-cushion, 8-fixed box, 9-universal caster, 10-threaded rod, 12-handrail, 13-torque motor, 14-positioning plate, 15-electric mortise lock, 16-mounting groove, 17-front connecting plate, 18-rear connecting plate, 19-rotating shaft, 20-limiting rod, 21-groove and 22-pedal.

Detailed Description

In order to make the aforementioned and other features and advantages of the utility model more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in figures 1-7, a novel walking-assisted wheelchair comprises two bases 1 arranged in parallel, wherein the tops of the front ends of the two bases are respectively provided with a lifting platform 2 capable of lifting, the lifting platform is in an inverted L shape, the top end of the lifting platform horizontally extends towards the back, the rear ends of the two lifting platforms are respectively and rotatably connected with a back board 3, the two back boards are contacted and locked when being rotated inwards to the same vertical plane, so as to provide back support for users, and are matched with a connecting rod 4 erected between the front ends of the two lifting platforms to be surrounded into a square shape, so as to ensure the connection stability of the device, the lower surfaces of the lifting platforms near the rear ends are respectively provided with a connecting board 5, the connecting boards are respectively hinged with a cushion rod 6, the lower ends of the cushion rods are respectively and vertically connected with a cushion 7, the cushion and the cushion rods are fixedly connected into a whole, namely, when the cushion is rotated to the horizontal plane to play a supporting role, the inner ends of the two cushions are contacted when rotated to the same horizontal plane, the bases are connected into a whole through a fixing box 8, universal casters 9 are mounted at the bottom ends of the bases.

In the embodiment of the utility model, a threaded rod 10 is screwed in the vertical section of the lifting platform, the lower end of the threaded rod is driven by a motor to rotate so as to realize the lifting of the lifting platform, the motor is arranged in a fixed box, and a driving power supply connected with the motor is also arranged in the fixed box.

In the embodiment of the utility model, the front ends of the two lifting adjusting top parts are upwards extended with the armrests 12, so that the user can conveniently support the lifting adjusting top parts in an auxiliary mode when standing, and the holding comfort is ensured.

In the embodiment of the utility model, the rotation of the backrest plate and the seat cushion is provided with torque through the torque motor 13.

In the embodiment of the utility model, the rear ends of the lifting platforms extend out to form positioning plates 14 which are hinged with the backrest plates, electric latches 15 are arranged between the positioning plates and the backrest plates and between the connecting plate and the cushion rod, the electric latches on the cushion penetrate through the connecting rod and are embedded into the cushion rod at the spring bolts to complete locking and limiting, namely, the electric latches are locked to play a supporting role when the two backrest plates are turned inwards to the same vertical plane and the two cushion plates are turned to the same horizontal plane, and the electric latches are mini inclined bolt electric latches.

In the embodiment of the utility model, the rear end of the lifting platform is provided with a mounting groove 16 with an inverted 'convex' shaped section forwards, the lower end of the mounting groove penetrates out of the lifting platform, the connecting plate comprises a front connecting plate 17 and a rear connecting plate 18 which clamp the cushion rod in the middle and are penetrated through by a rotating shaft 19 extending forwards and backwards, the front end of the rotating shaft is driven by a torque motor, the top ends of the two connecting plates are in inverted convex shapes which are matched and spliced with the mounting groove, the front connecting plate is butted at the bottom end of the mounting groove, the rear end of the front connecting plate is butted and limited by a positioning plate, and the front end of the positioning plate is inserted into the mounting groove and limited by a limiting rod 20 transversely crossing left and right.

In the embodiment of the utility model, the upper surface of the cushion is provided with arc-shaped grooves 21 which are downwards concave and penetrate through the cushion front and back, so that the comfort of a user in sitting is ensured.

In the embodiment of the present invention, the top of the fixing box is fixedly connected with an obliquely extending pedal 22, and the top end surface of the fixing box is in a shape of obliquely extending downwards from front to back, so that the foot of the user can be supported conveniently when the user sits down.

In the embodiment of the utility model, the lifting of the lifting platform, the rotation of the torque motor, the locking and unlocking of the electric mortise lock, the driving walking of the caster and the like can be controlled by arranging the controller on the device or in a remote control mode, which are all general technologies and are not described in detail herein.

The working principle of the embodiment of the utility model is as follows: when a user needs to get off the bed and sit on the wheelchair, as shown in fig. 4 and 5, the motor needs to be controlled to rotate, the lifting platform is further lifted to a proper position, the seat cushion is made to be equal to the bed in height, the backrest plate is rotated outwards and unfolded through the torque motor, the user can move to sit on the seat cushion, the electric mortise lock on the seat cushion is in a locking state at the moment, the support stability of the seat cushion is guaranteed, then the backrest plate is rotated inwards and closed, the electric mortise lock is locked, the support is completed, and the wheelchair is transferred to the bed in the same way.

When a user sits on the wheelchair and needs to go to the toilet, as shown in fig. 6 and 7, the lifting platform is lifted to a proper position, the seat cushion and the toilet are made to be equal in height, the backrest plate is rotated outwards through the torque motor to be unfolded, the user can slowly move backwards from the seat cushion to the toilet, then the electric mortise lock on the seat cushion is unlocked, the seat cushion is unfolded, legs of the user can be released, the reverse operation after going to the toilet can be completed, namely, the seat cushion is rotated to be horizontal and locked, the backrest plate is rotated inwards to be closed and locked after the user sits on the seat cushion, and then the toilet operation is completed.

The present invention is not limited to the above-described preferred embodiments, and various other novel walking assistance wheelchairs can be developed by anyone based on the teaching of the present invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (8)

1. A novel walking-assisted wheelchair is characterized in that: including the base of two parallel arrangement, two base front end tops all are equipped with the elevating platform of liftable, the elevating platform is the type of falling L, and its top is towards the level extension of back, and two elevating platform rear ends all rotate and are connected with the back board, and two back boards contact and lock when adversion to same vertical face in court to connecting rod that erects between the two elevating platform front ends of cooperation encloses to establish and is squarely, the nearly rear end lower surface of elevating platform all is provided with the connecting plate, all articulates on the connecting plate has the cushion pole, and the cushion is connected perpendicularly to cushion pole lower extreme, and two cushions are inner to contact when changeing to same horizontal face, connect as an organic wholely through the fixed box between the base, universal caster is all installed to the base bottom.

2. The new walk-assist wheelchair as claimed in claim 1, wherein: threaded rods are screwed in the vertical sections of the lifting tables, the lower ends of the threaded rods are driven by motors to rotate to realize lifting of the lifting tables, the motors are installed in the fixed boxes, and driving power supplies connected with the motors are further arranged in the fixed boxes.

3. The new walk-assist wheelchair as claimed in claim 1, wherein: the front ends of the tops of the two lifting platforms are upwards extended with handrails.

4. The new walk-assist wheelchair as claimed in claim 1, wherein: the rotation of the backrest plate and the cushion provides torque through the torque motor.

5. The new walk-assist wheelchair as claimed in claim 1, wherein: the back end of the lifting table extends out of a positioning plate to be hinged with the back rest plates, electric mortise locks are arranged between the positioning plate and the back rest plates and between the connecting plate and the cushion rods, namely the two back rest plates are locked when turned inwards to the same vertical plane and the two cushions are turned to the same horizontal plane to play a supporting role.

6. The new walk-assist wheelchair as claimed in claim 1, wherein: the elevating platform rear end sets up the mounting groove that the cross-section is "protruding" font forward, and the elevating platform is worn out to this mounting groove lower extreme, the connecting plate includes preceding connecting plate and the back connecting plate of establishing the cushion pole clamp in the centre to wear to establish through the pivot that extends around one, two connecting plate tops are and are the font of falling the protruding font of pegging graft with the mounting groove cooperation, and preceding connecting plate top connects in the mounting groove bottom, and preceding connecting plate rear end connects spacingly through the locating plate top, and the locating plate front end is inserted and is established the mounting groove and spacing through the gag lever post of controlling the crossing.

7. The new walk-assist wheelchair as claimed in claim 1, wherein: the cushion upper surface all is equipped with the arc recess downwards concavely, runs through the cushion around this recess is all.

8. The new walk-assist wheelchair as claimed in claim 1, wherein: the top of the fixed box is fixedly connected with a pedal extending obliquely, and the top end surface of the fixed box is in a shape extending obliquely downwards from front to back.

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