CN215915312U

CN215915312U - Improved wheelchair

Info

Publication number: CN215915312U
Application number: CN202121869523.1U
Authority: CN
Inventors: 曾琰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-01
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an improved wheelchair, which is used for helping wounded persons, patients and disabled persons to realize independent life, wherein an electric mechanism below a chair seat comprises a lifting cylinder, when the user needs to rest in bed, the user controls the lifting cylinder to work through a key to lift the chair seat to the same height of a bed, and then the body of the user is translated, so that the user can easily rest in bed by himself; the wheelchair is also provided with an adjusting mechanism which can adjust the angles of the chair back and the chair seat legs, the adjusting mechanism comprises a stop lever, a positioning lever and a fixing piece which are used for adjusting the chair back, the chair back and the chair seat legs are raised or lowered along with the change of the angles, and a user can adjust a proper angle to a comfortable rest posture through gears; the hand brake mechanism is arranged on the wheelchair to prevent sudden situations, and a user uses the hand brake mechanism to accelerate the parking of the wheelchair; the seat support side is equipped with bluetooth speaker, connects bluetooth speaker through the mobile device to the speech control and the broadcast speech information of wheelchair.

Description

Improved wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to an improved wheelchair.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual wheelchairs, is an important mobile tool for home rehabilitation, turnover transportation, diagnosis and outing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The existing wheelchair can only meet the walking of the wounded, the sick and the disabled generally, and the difficulty of lying in bed for rest in daily life can not be solved; meanwhile, the electric wheelchair has the potential safety hazard problem and is easy to cause false collision sometimes; the existing wheelchair can not realize lying rest of human body.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved wheelchair, aiming at solving the problems that the existing wheelchair is inconvenient for a user to lie in bed for rest by oneself, the electric wheelchair is easy to miss collision, and the lying and rest of a human body cannot be realized.

The technical scheme of the utility model is as follows:

the utility model discloses an improved wheelchair which comprises a seat, a chair back, handrails, a handle, a pedal plate, a main wheel and an auxiliary wheel, wherein an electric mechanism is arranged below the seat and comprises a lifting cylinder and a driving motor, the lifting cylinder is connected with the seat, the driving motor is connected with the main wheel, the seat is driven to move longitudinally through the lifting cylinder, and the driving motor drives the main wheel to rotate.

Further, the junction of the seat support and the back of the chair is equipped with adjustment mechanism, adjustment mechanism is including fender position pole, locating lever and mounting, fender position pole one end is fixed in on the seat support, and the other end of fender position pole is fixed in on the back of the chair, on the one end of locating lever is fixed in the back of the chair, the other end of locating lever is mobile to be set up on the fender position pole, the side of fender position pole and locating lever is located to the mounting, and is fixed in the pivot department of being connected of seat support and the back of the chair, through loosening the mounting, adjusts the position of locating lever and carries out the angle modulation of the back of the chair, and the tight mounting of rethread clamp is fixed back of the chair angle state.

Furthermore, the side of seat support is equipped with manual brake mechanism, manual brake mechanism is including handle end, fulcrum and the end of stopping, is fixed in the seat support side with manual brake mechanism through the fulcrum, and the end of stopping is close to the main wheel, and handle end and the end of stopping are each other opposite, controls the end effort of stopping in the main wheel through handheld handle end to the stall of controlling the main wheel.

Further, the handrail is equipped with the height control subassembly, the height control subassembly is including movable rod and screw spare, but the movable rod vertically telescopic adjustment, through the fixed position of hand screw spare with the movable rod.

Furthermore, a control device is arranged on the side edge of the right handrail, the control device comprises a rotating handle, a lifting key, a descending key and a power switch key, and the control device is used for controlling the work of the electric mechanism.

Further, controlling means and right handrail junction are equipped with flexible adjusting part, flexible adjusting part is including telescopic link and screw, telescopic link telescopic adjustment around can, it fixes the telescopic link to use the hand to twist the screw.

Furthermore, an LED display screen is arranged on the chair back, and safety prompt information is displayed through the LED display screen.

Furthermore, the side of the chair seat is provided with a Bluetooth sound box, and the voice control and the voice information playing of the wheelchair are carried out through the Bluetooth sound box.

Furthermore, an integrally formed knitted waterproof pad is arranged at the position where the seat extends to the pedal.

Furthermore, a safety belt device is arranged on the seat and comprises a safety belt and a buckle, and the safety belt is clamped into the buckle, so that the position of a user is fixed.

The utility model has the beneficial effects that the heights of a plurality of beds in real life are higher than the height of the chair seat of the wheelchair, and the wounded, the sick and the disabled are difficult to move to the beds by themselves; the wheelchair is also provided with an adjusting mechanism which can adjust the angles of the chair back and the chair seat legs, the adjusting mechanism comprises a gear lever, a positioning rod and a fixing piece which are used for adjusting the chair back, the chair back and the chair seat legs are raised or lowered along with the change of the angles, the chair back and the chair seat legs are in a normal upright sitting posture under the condition of 0 gear, and the wounded, the sick and the disabled can adjust proper angles to a comfortable rest posture through the gears; the hand brake mechanism is arranged on the wheelchair to prevent sudden situations, and the hand brake mechanism is used by wounded persons, patients and disabled persons to accelerate the parking of the wheelchair.

Drawings

FIG. 1 is a first schematic view of the overall structure of an improved wheelchair of the present invention;

FIG. 2 is a schematic view of the overall structure of an improved wheelchair of the present invention;

FIG. 3 is a right side elevational view of an improved wheelchair of the present invention with one main wheel omitted;

FIG. 4 is a schematic structural view of the height adjustment assembly and the telescoping adjustment assembly of an improved wheelchair of the present invention;

FIG. 5 is a schematic structural view of a hand brake mechanism of an improved wheelchair of the present invention;

FIG. 6 is a schematic structural view of an adjustment mechanism of an improved wheelchair of the present invention;

FIG. 7 is an enlarged schematic view of a stop lever of the improved wheelchair of the present invention;

FIG. 8 is a schematic view of the improved wheelchair showing the structure of the stop lever, the positioning lever and the fixing member with a part omitted;

FIG. 9 is an enlarged view of the position bar, positioning bar and securing members of the improved wheelchair of the present invention.

In the figure, 1 is a chair seat, 2 is a chair back, 3 is an armrest, 31 is a left armrest, 32 is a right armrest, 4 is a handle, 5 is a pedal, 6 is a main wheel, 7 is a secondary wheel, 8 is an electric mechanism, 81 is a lifting cylinder, 82 is a driving motor, 9 is an adjusting mechanism, 91 is a stop lever, 911 is a position clamp, 92 is a positioning lever, 93 is a fixing member, 94 is a connecting rotating shaft of the chair seat and the chair back, 95 is a leg adjusting member, 10 is a hand brake mechanism, 101 is a handle end, 102 is a fulcrum, 103 is a parking end, 104 is a spring projection, 11 is a height adjusting component, 111 is a movable rod, 112 is a screw, 12 is a control device, 121 is a rotating handle, 122 is a raising key, 123 is a lowering key, 124 is a horn key, 125 is a power switch key, 13 is a telescopic adjusting component, 131 is a telescopic rod, 132 is a threaded nail, 14 is an LED display screen, 15 is a circuit control box, and 16 is a power charging port.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1-7, the utility model provides an improved wheelchair, which comprises a seat 1, a back 2, armrests 3, handles 4, a pedal 5, a main wheel 6 and auxiliary wheels 7, wherein the armrests 3 are arranged on two sides of the seat 1, the armrests 3 comprise left armrests 31 and right armrests 32, the left armrests 31 and the right armrests 32 are arranged above the main wheel 6, the handles 4 extend from the back 2 to facilitate hand-pushing of the wheelchair, the main wheels 6 are arranged on two sides of the seat 1, the auxiliary wheels 7 are arranged on the rear side of the back 2, the main wheel 6 is positioned in front, and the auxiliary wheels 7 are positioned in rear.

The seat support 1 below is equipped with electric mechanism 8, electric mechanism 8 is including lift cylinder 81 and driving motor 82, lift cylinder 81 connects the seat support 1, driving motor 82 connects the main wheel 6, drives seat support 1 longitudinal motion through lift cylinder 81, and driving motor 82 drives the main wheel 6 and rotates.

The side of seat support 1 is equipped with manual brake mechanism 10, manual brake mechanism 10 is including handle end 101, fulcrum 102 and parking end 103, is fixed in seat support 1 side through fulcrum 102 with manual brake mechanism 10, and parking end 103 is close to main wheel 6, and handle end 101 and parking end 103 are each other for the reversal, controls parking end 103 effort in main wheel 6 through handheld handle end 101 to control main wheel 6 stall.

Referring to fig. 2 and 5, the state is a handbrake state; a spring bulge 104 is arranged on the side edge of the hand brake mechanism 10, when no force is applied to the handle end 101, the parking end 103 is clamped by the spring bulge 104, and the parking end 103 is prevented from touching the main wheel 6; when the hand brake mechanism 10 needs to be used, acting force is applied to the handle end 101, the parking end 103 is swung, the spring protrusion 104 is contracted, and the parking end 103 can be moved on the main wheel 6.

The armrest 3 is provided with a height adjusting assembly 11, the height adjusting assembly 11 comprises a movable rod 111 and a screw member 112, the movable rod 111 can be longitudinally adjusted in a telescopic manner, and the position of the movable rod 111 is fixed by screwing the screw member 112 by hand. A plurality of holes are formed in the longitudinal position of the movable rod 111, and the height of the handrail 3 is determined by the holes with different heights; for the people with inconvenient legs and feet, the people often need to move by the strength of arms, for example, when the user needs to lie in bed by oneself, in addition to lifting the seat 1 by the lifting cylinder 81, the right armrest 32 can also be correspondingly lifted to a position slightly higher than the seat 1, so that the arms of the user are supported by the right armrest 32 to move; or the height of the left and right armrests can be adjusted by self to adapt to the height of the user in order to adapt to different users by the armrests 3.

The side edge of the right armrest 32 is provided with a control device 12, the control device 12 is electrically connected with the electric mechanism 8, the control device 12 comprises a rotating handle 121, a lifting key 122, a descending key 123, a horn key 124 and a power switch key 125, the rotating handle 121 can control the left and right directions of the main wheel 6, so that the wheelchair can turn, the control device 12 of the right armrest 32 can longitudinally displace along with the height adjusting component 11, a user can automatically select the lifting key 122 and the descending key 123 to lift the seat 1, and the horn key 124 is pressed to remind passersby.

A telescopic adjusting component 13 is arranged at the connection position of the control device 12 and the right handrail 32, the telescopic adjusting component 13 comprises a telescopic rod 131 and a screw 132, the telescopic rod 131 can be adjusted in a front-back telescopic mode, and the screw 132 is screwed by hands to fix the telescopic rod 131. The position of the control device 12 can be adjusted by the user according to the arm length of the user, so that the device is suitable for users with different heights.

An LED display screen 14 is arranged on the chair back 2, and attention information is displayed through the LED display screen 14.

1 side of seat support is equipped with bluetooth speaker, carries out the speech control and the broadcast speech information of wheelchair through bluetooth speaker, perhaps utilizes the mobile device to connect, can also broadcast music, news, and the user can carry out amusement and leisure.

The seat 1 is provided with an integrally formed knitted waterproof pad extending to the position of the pedal 5, so that the position of the leg can be depended on, and when the wheelchair is in a rest state of 180 degrees, the position of the leg is supported.

The seat 1 is provided with a safety belt device 17, the safety belt device 17 includes a safety belt 171 and a buckle 172, and the safety belt 171 is inserted into the buckle 172 to fix the position of the user and prevent the user from falling off the wheelchair.

The pedal plate 5 can also be arranged to be rotatable, when a user needs to stand, the user can move the pedal plate 5 to two sides, and the user can directly place feet on the ground to stand up.

The control device 12 is also provided with a power supply charging port 16, and the wheelchair is charged through the power supply charging port 16.

A circuit control box 15 is arranged behind the chair back 2, and a lithium battery, a circuit board and a Bluetooth sound box are arranged in the circuit control box.

Example 1

Referring to fig. 8-9, the adjusting mechanism 9 of the present embodiment is manually adjusted, and the wounded, the sick and the disabled manually adjust themselves, release the fixing member, tilt the chair back 2 forward or backward to adjust the angle of the chair back 2, and then clamp the fixing member to fix the angle.

Adjustment mechanism 9 that seat support 1 and back of the chair 2 junction set up, including fender position pole 91, locating lever 92 and mounting 93, fender position pole 91 one end is fixed in on seat support 1, and the other end of fender position pole 91 is fixed in on the back of the chair 2, locating lever 92's one end is fixed in on the back of the chair 1, and locating lever 92's the other end is mobile to be set up on fender position pole 91, the side of fender position pole 91 and locating lever 92 is located to mounting 93, and is fixed in seat support 1 and the connection pivot 94 department of the back of the chair 2, and through loosening mounting 93, the activity back of the chair 2 carries out the angle modulation of the back of the chair 2 with locating lever 92's position, and the rethread presss from both sides tight mounting 93, fixes 2 angle states of the back of the chair.

Referring to fig. 7, the position lever 91 is provided with 5 position clips 911, which go beyond the chair back 2 to form a full-lying state; the seat 1 is in a normal state, i.e., a sitting state.

Example 2

The adjusting mechanism 9 in this embodiment can be automatically adjusted by a user, and includes a hand-wrestling device and a transmission assembly, the transmission assembly is disposed at the joint of the seat 1 and the seat back 2, the hand-wrestling device is connected with the transmission assembly, the hand-wrestling device is pressed by hand, the seat back tilts backwards to loosen the hand-wrestling device, the seat back 2 is fixed, when the chair needs to be reset, the hand-wrestling device is pressed at the lowest position, the back of the human body leaves the seat back 2, and the seat back 2 is restored to the normal state.

The adjusting mechanism 9 in the above embodiment 2 is not shown in a drawing, and is understood according to an existing car seat or office chair.

Further, the adjustment mechanism includes a leg adjustment member 95, which is shown as being positioned in an arc to extend so as to raise the leg to accommodate the lying position.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An improved wheelchair comprises a seat, a chair back, armrests, a handle, a pedal plate, a main wheel and auxiliary wheels, and is characterized in that an electric mechanism is arranged below the seat, the electric mechanism comprises a lifting cylinder and a driving motor, the lifting cylinder is connected with the seat, the driving motor is connected with the main wheel, the seat is driven to move longitudinally by the lifting cylinder, the driving motor drives the main wheel to rotate, an adjusting mechanism is arranged at the joint of the seat and the chair back, the adjusting mechanism comprises a stop lever, a positioning rod and a fixing piece, one end of the stop lever is fixed on the seat, the other end of the stop lever is fixed on the chair back, one end of the positioning rod is fixed on the chair back, the other end of the positioning rod can be movably arranged on the stop lever, the fixing piece is arranged at the side edge of the stop lever and the positioning rod and is fixed at the connecting rotating shaft of the seat and the chair back, and by loosening the fixing piece, the angle of the chair back is adjusted by adjusting the position of the positioning rod, and the angle state of the chair back is fixed by clamping the fixing piece.

2. The improved wheelchair as claimed in claim 1, wherein the hand brake mechanism is provided at the side of the seat, the hand brake mechanism comprises a handle end, a fulcrum and a parking end, the hand brake mechanism is fixed at the side of the seat through the fulcrum, the parking end is close to the main wheel, the handle end and the parking end are opposite to each other, and the parking end is controlled to apply force to the main wheel through the handle end, so as to control the main wheel to stop rotating.

3. The improved wheelchair as claimed in claim 1, wherein the armrest is provided with a height adjustment assembly comprising a movable rod and a screw member, the movable rod being longitudinally telescopically adjustable, the position of the movable rod being fixed by means of the hand screw member.

4. The improved wheelchair as claimed in claim 3, wherein the armrest comprises a left armrest and a right armrest, a control device is connected to the right armrest, the control device comprises a rotary handle, a lifting key, a lowering key and a power switch key, and the control device controls the operation of the electric mechanism.

5. The improved wheelchair as claimed in claim 4, wherein a telescopic adjusting component is arranged at the connection part of the control device and the right handrail, the telescopic adjusting component comprises a telescopic rod and a screw thread nail, the telescopic rod can be telescopically adjusted from left to right, and the telescopic rod is fixed by screwing the screw thread nail by hand.

6. The improved wheelchair as claimed in claim 1, wherein an LED display screen is provided on the backrest, and safety prompt information is displayed through the LED display screen.

7. The improved wheelchair as claimed in claim 1, wherein a bluetooth speaker is provided at the side of the seat, and voice control and voice information playing of the wheelchair are performed through the bluetooth speaker.

8. The improved wheelchair as claimed in claim 1, wherein an integrally formed knitted waterproof pad is provided at a position where the seat extends to the footboard.

9. The improved wheelchair as claimed in claim 8, wherein a safety belt device is provided on the seat, the safety belt device comprising a safety belt and a button, the safety belt being engaged in the button to fix the position of the user.