CN110876662A - Wheelchair convenient to get up and using method - Google Patents

Abstract

The invention provides a wheelchair convenient for getting up and a using method thereof, comprising a wheelchair frame, a getting-up part, a pedal part and two groups of front handrail parts; the rising part is installed in the wheelchair frame, the pedal part is installed below the rising part, and the front armrest part is installed in front of the rising part. By combining the electric rising part and the front armrest part, a user can easily rise or sit down; when a user places feet, the pedal of the pedal component can be electrically controlled to extend out of the wheelchair frame; after rising and standing, the user can take down the crutch in the front armrest part, so that the user can conveniently hold the crutch to freely walk.

Description

A wheelchair that is convenient for getting up and using method

technical field

The invention relates to an old-age assistance machine and a method of use, in particular to a wheelchair for the elderly who can use alone at home to assist the elderly with inconvenient legs and feet to get up and sit down, belonging to the field of wheelchair equipment.

Background technique

With the arrival of the aging population, many problems have arisen in the health care of the elderly, and the problem of getting up when the elderly with inconvenient legs and feet are active at home alone is also an important problem. Most of the current solutions are to set up armrests in some specific positions in the home, but simply relying on the armrests to get up depends largely on the strength of the elderly, especially the strength of the arms and waist, which does not reduce the burden on the elderly and suffers from the elderly. location constraints. As a result, many families have to avoid the elderly at home alone, so they need to keep someone to look after them or hire a carer, but their children are busy with work and have no time to take care of the elderly. If they hire a carer, the cost will be too high, and if they are sent to a welfare home, they are afraid of the elderly. Unsatisfactory, the problem of getting up at home alone for the elderly with inconvenient legs and feet needs to be solved.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the main purpose of the present invention is to provide a wheelchair that is easy to get up. And the operation is simple and safe. For the safety and comfort of the elderly, the various dimensions of this easy-to-get-up wheelchair use scientific and reasonable parameters according to the requirements of ergonomic functions.

In order to achieve the above technical features, the purpose of the present invention is to achieve: a wheelchair that is convenient for getting up, which includes a wheelchair frame for supporting the entire wheelchair assembly; the middle part of the wheelchair frame is installed with a seat plate for lifting the seat. Lift the user's hoisting part and lift it to a certain height; a telescopic control footrest part is installed below the hoisting part; in front of the wheelchair frame, and on both sides of the hoisting part, it is useful to install Front armrest part for hand rest.

The wheelchair frame includes a foam backrest, an armrest pad, a rear wheel kit, a body frame, a front wheel kit, a front wheel mounting seat, a control button, a long handle brake and a cart handle; the foam backrest is installed on the on the rear beam of the body frame; the armrest pad and the control button are mounted on the armrest bracket of the body frame; the rear wheel kit is mounted on the rear vertical beam of the body frame; the front wheel mounting seat It is connected with the front lower end bracket of the body frame; the front wheel kit is connected to the front wheel mounting seat, and its front wheel can be rotated universally; the long handle brake is symmetrically installed on the two side walls of the body frame, And is located in front of the rear wheel kit for braking the wheels of the rear wheel kit.

The lifting part includes a sponge cushion, a driven link, an electric push rod for getting up, a base for getting up, and a cushion bracket; the base for getting up is fixedly installed on the body frame of the wheelchair frame, and the sponge cushion is tied to the body frame of the wheelchair frame by a cloth belt. on the seat cushion bracket; the upper end of the driven link is hinged to the seat cushion bracket, and the lower end of the driven link is hinged to the upright column of the base of the rising part; the end of the extension rod of the lifting electric push rod is hinged to the seat cushion The stand, the base of which is hinged to the base of the stand-up component, when the stand-up electric push rod extends out, the seat cushion stand is lifted to a certain height by relying on the driven link.

The driven connecting rod adopts a parallelogram lifting structure, which includes two parallel connecting rods, the bottom ends of the two connecting rods are hinged on the column of the base of the rising part, and the top end is hinged on the column at the bottom of the seat cushion bracket.

The foot pedal component includes a battery, a stepper motor push rod, an electric control box, a foot pedal, a linear guide rail, a foot pedal base and a connecting piece; the battery and the electric control box are both fixed to the foot pedal The rear end of the board base; a set of linear guide rails are respectively installed on both sides of the foot pedal base, and a foot pedal is installed between the linear guide rails; the frame of the stepper motor push rod is connected to the rear end of the foot pedal base The front end of the extension rod is connected with the front edge of the foot pedal through the connecting piece. When the stepper motor push rod works, the extension rod pushes the foot pedal to extend forward along the linear guide rail.

The front armrest components include crutches, hooks, slider connecting frames, springs, sliders, circular guide posts, shaft fixing seats and front armrest brackets; two front armrest brackets are arranged in parallel and are fixed to the wheelchair frame The front end of the body frame; two circular guide pillars are respectively fixed in parallel between the two front armrest brackets through two sets of shaft fixing seats; the slider is sleeved on the circular guide pillar and constitutes a guide rail pair, the guide rail The pair is two sets arranged side by side; the slider connecting frame connects the sliders of the two sets of guide rail pairs; the crutch is hung on the slider connecting frame through a hook; the spring is sleeved on the circular guide post, The bottom end of the spring is in contact and fit with the shaft fixing seat, and the top end is in contact and fit with the lower end surface of the slider.

The hook of the crutch is detachably inserted into the socket of the slider connecting frame.

A method of using a wheelchair that is easy to get up, which includes the following steps:

Step1: When the wheelchair is in the standing position, the user supports the crutches of the front armrest with both hands, slightly bends his knees and sits on the sponge cushion, and then presses the sit button of the right control button, the standing part is slowly lowered, and the user follows the seat;

Step2: The user presses the foot pedal extension button of the left control button, when the foot pedal extends a certain distance and stops, the user's foot rests on it, and then long presses the foot pedal extension button until the foot pedal fully extended;

Step3: The user pulls the long handle brake to unlock the wheels of the rear wheel kit, then holds the rolling ring of the rear wheel kit and drives it to rotate to make the wheelchair move on the ground;

Step4: When the user gets up, first pull the long handle brake in the opposite direction to make the wheels of the rear wheel set self-locking brake, then long press the pedal retract button of the left control button to retract the pedal, and then Press the stand-up button of the right control button to raise the sponge seat of the stand-up part to slowly lift the user's buttocks;

Step5: While the getting up part is lifted, the user holds the two crutches of the front armrest part with both hands until the getting up part is completely raised, and then the user stands up with the help of the crutches;

Step6: After the user stands up, the right crutch is lifted up and taken out from the slider connection frame, and then the user can walk freely with the crutch.

The present invention has the following beneficial effects:

1. In the easy-to-get-up wheelchair provided by the present invention, the stand-up part lifts or lowers the buttocks of the elderly by electric power. During the working process of the stand-up part, the elderly can also use the crutches of the front armrest part to easily get up or sit down.

2. The easy-to-get-up wheelchair provided by the present invention can be operated independently by the elderly, the operation is simple and safe, and does not require the assistance of others. Therefore, the getting-up part and the foot pedal part are all electrically controlled, and the user only needs to press the electric control button with his finger to The actions of the above two components can be automatically completed by the motor-driven transmission mechanism;

3. In the easy-to-get-up wheelchair provided by the present invention, the foot pedal components can be electronically controlled to extend horizontally when the elderly need to put their feet on the pedal, and when the elderly have their feet on the ground, the pedal can also be used. recycling into the wheelchair frame;

4. The wheelchair provided by the present invention is convenient for getting up. After the old man gets up and stands up, the right crutch in the front armrest part can be removed separately according to the use and care habits, which is convenient for the user to walk freely with the crutch.

Description of drawings

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

FIG. 1 is an overall structural diagram of the present invention.

FIG. 2 is a structural diagram of the wheelchair frame of the present invention.

FIG. 3 is a structural diagram of a standing member of the present invention.

FIG. 4 is a structural diagram of a foot pedal component of the present invention.

FIG. 5 is a structural diagram of the front armrest part of the present invention.

In the figure: wheelchair frame 10, getting up part 20, footrest part 30, front armrest part 40;

Foam backrest 101, armrest pad 102, rear wheel kit 103, body frame 104, front wheel kit 105, front wheel mounting seat 106, control button 107, long handle brake 108, cart handle 109;

Sponge cushion 201, driven link 202, electric push rod 203 for getting up, base 204 for getting up parts, cushion support 205;

battery 301, stepper motor push rod 302, electric control box 303, foot pedal 304, linear guide rail 305, foot pedal base 306, connecting piece 307;

Crutches 401 , hooks 402 , slider connecting frame 403 , springs 404 , sliders 405 , circular guide posts 406 , shaft fixing bases 407 , and front armrest brackets 408 .

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in FIG. 1, a wheelchair for getting up easily includes a wheelchair frame 10, a getting up part 20, a footrest part 30 and two sets of front armrest parts 40; the getting up part 20 is installed in the wheelchair frame 10, and it can be lifted The user who sits on the seat board reaches a certain height; the foot pedal part 30 is installed under the stand-up part 20, and its foot board protrudes from the bottom of the seat board, which is convenient for the user to place their feet on it; the front The armrest member 40 is installed in front of the standing member 20, and when the standing member 20 is working, the user can support the front armrest member 40 by hand to get up by force. By adopting the wheelchair with the above structure, it can be convenient for the elderly to use, and the elderly can be easily lifted during the use process to facilitate him to get up, which enhances the convenience for the elderly to use, and the above-mentioned footrest component 30 is convenient to use. The user can place the feet, and at the same time, it is convenient for its storage, and it will not affect the normal use.

As shown in FIG. 2 , the wheelchair frame 10 further includes a foam backrest 101 , armrest pads 102 , a rear wheel kit 103 , a body frame 104 , a front wheel kit 105 , a front wheel mounting seat 106 , a control button 107 , and a long handle brake 108 and the cart handle 109; the body frame 104 is assembled from 14 aluminum profile beams, 4 aluminum profile inclined beams, 6 aluminum profile vertical bars and 4 lean tubes, and the rear beam is wound up and down on the rear beam. A foam backrest 101 is installed; an armrest pad 102 and a control button 107 are installed on its armrest bracket; a rear wheel kit 103 is installed on its rear vertical beam; A front wheel kit 105 is also installed, and the front wheel of the front wheel kit 105 can be rotated universally; a long handle brake 108 is installed in front of the rear wheel kit 103 for braking the wheels of the rear wheel kit 103; the cart handle The 109 is mounted on the upper rear end of the body frame, which is assembled from 4 lean tubes.

The wheelchair frame 10 with the above structure can be used for the support and installation of the entire wheelchair, and the long handle brake 108 can cooperate with the rear wheel kit 103 to realize the braking of the entire wheelchair. The linkage mechanism of the lock function.

3, further, the getting up part 20 includes a sponge cushion 201, a driven link 202, a standing electric push rod 203, a standing part base 204 and a cushion bracket 205; the driven link 202, the standing part base 204 . The seat cushion bracket 205 is assembled by a total of 4 aluminum profile beams, 4 aluminum profile beams and 4 aluminum profile vertical rods. The seat cushion bracket 205 is connected with a sponge cushion 201 through a cloth belt; the upper end of the driven link 202 is hinged to the seat cushion bracket 205, the lower end of which is hinged to the standing part base 204; the extending rod end of the standing electric push rod 203 is hinged to the cushion support 205, and its base is hinged to the rising part base 204, When the electric push rod 203 stretches out, the seat cushion bracket 205 is lifted to a certain height by relying on the driven link 202 .

Further, the driven connecting rod 202 adopts a parallelogram lifting structure, which includes two connecting rods arranged in parallel. 205 on the bottom of the column. In the specific use process, the entire seat cushion bracket 205 is driven to lift up by the electric push rod 203 getting up. During the lifting process, the parallelogram lifting structure also rotates accordingly, so that the seat cushion bracket 205 can be lifted in parallel to ensure the lifting During the process, the sponge cushion 201 is always kept in a horizontal state, thereby playing a good protective role for the elderly.

4, further, the foot pedal component 30 includes a battery 301, a stepper motor push rod 302, an electric control box 303, a foot pedal 304, a linear guide 305, a foot pedal base 306 and a connector 307; The foot pedal base 306 is assembled by 3 aluminum profile beams, and a set of linear guide rails 305 are installed on both sides thereof, and a foot pedal 304 is installed between the linear guide rails 305, and its rear end is connected to the stepping motor push rod 302. The front end of the extension rod of the stepper motor push rod 302 is connected to the front edge of the foot pedal 304 through a connector, and the stepper motor push rod 302 pushes the foot pedal 304 to extend forward along the linear guide rail 305; the foot pedal base 306 The rear end is also fixed with a battery 301 and an electric control box 303 .

The above-mentioned footrest member 30 is convenient to be stored, and can be conveniently stored at the bottom of the wheelchair, and when extended, it is convenient for the elderly to place their feet, which plays a supporting role and improves the comfort of use.

In the specific use process, when the foot pedal 304 needs to be extended, the battery 301 is used to supply power to the stepper motor push rod 302, and the stepper motor push rod 302 is used to push the foot pedal 304 to slide out along the linear guide rail 305; When retracting, the foot pedal 304 can be retracted through the stepper motor push rod 302 .

5 , further, the front armrest part 40 includes a crutch 401, a hook 402, a slider connecting frame 403, a spring 404, a slider 405, a circular guide post 406, a shaft fixing seat 407 and a front armrest bracket 408; The slider 405 and the circular guide post 406 form a guide rail pair, and the guide rail pair has two sets arranged side by side, which are respectively installed on the front armrest bracket 408; the slider connecting frame 403 connects the sliders 405 of the two sets of guide rail pairs The crutches 401 are hooked on the slider connecting frame 403 with their hooks 402; the spring 404 is sleeved on the circular guide post 406; the two ends of the circular guide post 406 are supported on the shaft fixing seat 407; the shaft fixing seat 407 is installed on the front armrest bracket 408; when the user presses the crutch 401, the hook 402 drives the slider 405 to move down, the spring 404 on the circular guide post 406 will be compressed, and the crutch 406 will be compressed. 401 touches the ground, and when the spring 404 is reset, the crutches 401 are raised, so as to prevent the crutches 401 from touching the ground and hindering the movement of the wheelchair. The front armrest member 40 with the above structure can be used to assist the lifting action of the elderly, thereby achieving a good protection purpose and improving the safety and convenience of its use. The above-mentioned spring 404 can restore the crutches 401 well, so as to ensure that the crutches 401 can be automatically retracted after being extended.

Further, the hook 402 of the crutch 401 is detachably inserted into the socket of the slider connecting frame 403 . By adopting a detachable connection method, the convenience of use is improved, and it can be installed and equipped according to the needs of users.

In a preferred embodiment, a method of using a wheelchair that is convenient for getting up is:

Step1: When the wheelchair is in the standing position, the user supports the crutches 401 of the front armrest part 40 with both hands, slightly bends his knees and sits on the sponge cushion 201, and then presses the sit button of the right control button 107, the standing part 20 Slowly lower, and the user sits down;

Step2: The user presses the foot pedal extension button of the left control button 107, when the foot pedal 304 extends a certain distance and stops, the user's foot rests on it, and then long presses the foot pedal extension button, until the pedals are fully extended;

Step3: The user pulls the long handle brake 108 to unlock the wheels of the rear wheel set 103, then holds the rolling ring of the rear wheel set 103 and drives it to rotate, so that the wheelchair can move on the ground;

Step4: When the user gets up, first pull the long handle brake 108 in the opposite direction to make the wheels of the rear wheel kit 103 self-lock and brake, and then long press the pedal retraction button of the left control button 107 to make the pedal 304 retracts, and then presses the stand-up button of the right control button 107 to raise the sponge cushion 201 of the stand-up part 20 to slowly lift the user's buttocks;

Step5: while the getting up part 20 is lifted, the user holds the two crutches 401 of the front armrest part 40 with both hands until the getting up part 20 is completely raised, and then the user stands up with the help of the crutches 401;

Step 6: After the user stands up, the right crutch 401 is lifted up and taken out from the slider connecting frame 403, and then the user can walk freely with the crutch 401 in hand.

Claims (8)

1. A wheelchair convenient for getting up is characterized in that: it comprises a wheelchair frame (10) for supporting the entire wheelchair assembly; a lifting part (20) for lifting a user on the seat plate is arranged in the middle of the wheelchair frame (10) and lifts the wheelchair frame to a certain height; a telescopic control pedal component (30) is arranged below the lifting component (20); front armrest parts (40) for supporting hands are arranged in front of the wheelchair frame (10) and on two sides of the lifting part (20).

2. The wheelchair of claim 1, wherein: the wheelchair frame (10) comprises a sponge backrest (101), armrest pads (102), a rear wheel kit (103), a body frame (104), a front wheel kit (105), a front wheel mounting seat (106), a control button (107), a long-handle brake piece (108) and a trolley handle (109); the sponge backrest (101) is mounted on a cross beam at the rear part of the vehicle body frame (104) in an up-and-down winding mode; the armrest pad (102) and the control button (107) are mounted on an armrest support of a vehicle body frame (104); the rear wheel kit (103) is mounted on a vertical beam at the rear part of the vehicle body frame (104); the front wheel mounting seat (106) is connected with a front lower end bracket of the vehicle body frame (104); the front wheel suite (105) is connected to the front wheel mounting seat (106), and the front wheel of the front wheel suite can rotate in a universal mode; the long-handle braking pieces (108) are symmetrically arranged on two side walls of the vehicle body frame (104), are positioned in front of the rear wheel sleeve piece (103), and are used for braking wheels of the rear wheel sleeve piece (103).

3. The wheelchair of claim 1, wherein: the lifting component (20) comprises a sponge cushion (201), a driven connecting rod (202), a rising electric push rod (203), a rising component base (204) and a cushion bracket (205); the rising part base (204) is fixedly arranged on a body frame (104) of the wheelchair frame (10), and the sponge cushion (201) is tied on the cushion bracket (205) through a cloth belt; the upper end of the driven connecting rod (202) is hinged to the cushion bracket (205), and the lower end of the driven connecting rod is hinged to the upright post of the rising part base (204); the end part of an extending rod of the rising electric push rod (203) is hinged to the cushion bracket (205), a base of the rising electric push rod is hinged to the rising part base (204), and when the extending rod of the rising electric push rod (203) extends out, the cushion bracket (205) is lifted to a certain height by relying on the driven connecting rod (202).

4. The wheelchair of claim 3, wherein: the driven connecting rods (202) are of a parallelogram lifting structure and comprise two connecting rods which are arranged in parallel, the bottom ends of the two connecting rods are hinged to an upright post of the rising part base (204), and the top ends of the two connecting rods are hinged to an upright post at the bottom of the cushion bracket (205).

5. The wheelchair of claim 1, wherein: the pedal component (30) comprises a storage battery (301), a stepping motor push rod (302), an electric control box (303), a pedal (304), a linear guide rail (305), a pedal base (306) and a connecting piece (307); the storage battery (301) and the electric control box (303) are fixed at the rear end of the pedal base (306); two sides of the pedal base (306) are respectively provided with a set of linear guide rails (305), and a pedal (304) is arranged between the linear guide rails (305); the base of the step motor push rod (302) is connected to the rear end of the pedal base (306), the front end of the extension rod of the step motor push rod is connected with the front edge of the pedal (304) through a connecting piece (307), and when the step motor push rod (302) works, the extension rod of the step motor push rod pushes the pedal (304) to extend forwards along the linear guide rail (305).

6. The wheelchair of claim 1, wherein: the front armrest component (40) comprises a crutch (401), a hook (402), a slide block connecting frame (403), a spring (404), a slide block (405), a circular guide post (406), a shaft fixing seat (407) and a front armrest support (408); the two front armrest brackets (408) are arranged in parallel and are fixed at the front end of a body frame (104) of the wheelchair frame (10); two round guide posts (406) are respectively fixed in parallel between the two front handrail supports (408) through two groups of shaft fixing seats (407); the sliding blocks (405) are sleeved on the circular guide columns (406) and form guide rail pairs, and the guide rail pairs are arranged in parallel; the slide block connecting frame (403) connects the slide blocks (405) of the two sets of guide rail pairs; the crutch (401) is hooked on the sliding block connecting frame (403) through a hook (402); the spring (404) is sleeved on the circular guide post (406), the bottom end of the spring (404) is in contact fit with the shaft fixing seat (407), and the top end of the spring is in contact fit with the lower end face of the sliding block (405).

7. The wheelchair of claim 1, wherein: the hook (402) of the crutch (401) is detachably inserted into the jack of the sliding block connecting frame (403).

8. Use of the wheelchair as claimed in any of claims 1 to 7, characterised in that it comprises the following steps:

step 1: when the wheelchair is in a rising posture, a user supports a crutch (401) of a front armrest component (40) with two hands, a user sits on a sponge cushion (201) with a bent knee in a small amplitude, then presses a sitting button of a right control button (107), the rising component (20) slowly descends, and the user sits on the rising component;

step 2: the user presses a pedal extending button of a left control button (107), when the pedal (304) extends for a certain distance and stops, the foot of the user is placed on the pedal extending button, and then the pedal extending button is pressed for a long time until the pedal is completely extended;

step 3: a user pulls the long-handle brake piece (108) to unlock the wheels of the rear wheel set (103), holds the rolling ring of the rear wheel set (103) by hand and drives the rolling ring to rotate so as to enable the wheelchair to move on the ground;

step 4: when a user rises, firstly, the long-handle braking piece (108) is pulled reversely to enable wheels of the rear wheel set (103) to be braked in a self-locking mode, then, a pedal retraction button of the left control button (107) is pressed for a long time to enable the pedal (304) to be retracted, and then, a rising button of the right control button (107) is pressed to enable the sponge cushion (201) of the rising part (20) to rise so as to slowly rise the hip of the user;

step 5: while the rising part (20) is lifted, a user holds two crutches (401) of the front armrest part (40) with both hands until the rising part (20) is completely lifted, and then the user stands up by means of the crutches (401);

step 6: after the user stands up, the right walking stick (401) is lifted upwards and taken out from the sliding block connecting frame (403), and then the user can hold the walking stick (401) to walk freely.

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