CN111150567A - Gay wheelchair with upturning handrail mechanism - Google Patents

Abstract

Translated fromChinese

本发明公开了一种具有上翻扶手机构的功勋轮椅，包括轮椅靠背、扶手本体、坐板和轮椅主体，所述轮椅靠背和坐板安装在轮椅主体的上端，所述轮椅主体的下端安装有避障万向轮，所述轮椅主体的上端固定安装有第一固定盒，所述第一固定盒的内部顶端固定安装有伺服电机，所述伺服电机的轴端安装有滚珠丝杆，所述滚珠丝杆的两端设置有止推环，且滚珠丝杆的外表面套设有滚珠螺母，所述滚珠螺母与第一固定盒滑动配合；通过设计第一固定盒，患者通过操作手柄启动伺服电机，通过伺服电机带动滚珠丝杆转动，控制扶手本体垂直下降至与座椅座面水平状态，便于轮椅侧边缘与床或马桶“零”距离水平对接，方便患者移位转移或上下轮椅。

The invention discloses a meritorious wheelchair with an upturning armrest mechanism, comprising a wheelchair backrest, an armrest body, a seat plate and a wheelchair body. The wheelchair backrest and the seat plate are mounted on the upper end of the wheelchair body, and the lower end of the wheelchair body is mounted with a Obstacle avoidance universal wheel, the upper end of the wheelchair body is fixedly installed with a first fixing box, the inner top of the first fixing box is fixedly installed with a servo motor, the shaft end of the servo motor is installed with a ball screw, the Both ends of the ball screw are provided with thrust rings, and the outer surface of the ball screw is sleeved with a ball nut, and the ball nut is slidably matched with the first fixing box; by designing the first fixing box, the patient starts the servo through the operating handle The motor drives the ball screw to rotate through the servo motor, and controls the armrest body to drop vertically to the level of the seat surface, which is convenient for the horizontal connection between the side edge of the wheelchair and the bed or toilet at a "zero" distance, and it is convenient for patients to shift or get on and off the wheelchair.

Description

Gay wheelchair with upturning handrail mechanism

Technical Field

The invention belongs to the technical field of wheelchairs, and particularly relates to a wheel chair with an upturning handrail mechanism.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The prior wheelchair has the problem that the wheelchair armrests are generally fixedly arranged on the wheelchair and do not have the lifting function, and when a patient needs to move from the wheelchair to a bed or a closestool, the armrests obstruct the position change of the patient, so that a power wheelchair with an upturning armrest mechanism is proposed.

Disclosure of Invention

The invention aims to provide a gay wheelchair with an upturning handrail mechanism, which aims to solve the problems that the conventional wheelchair proposed in the background art has the wheelchair handrail which is generally fixedly arranged on the wheelchair and does not have the lifting function, and the handrail obstructs the transposition of a patient when the patient needs to move from the wheelchair to a bed or a closestool.

In order to achieve the purpose, the invention provides the following technical scheme: the gay wheelchair with the upturning handrail mechanism comprises a wheelchair backrest, a handrail body, a seat plate and a wheelchair body, wherein the wheelchair backrest and the seat plate are installed at the upper end of the wheelchair body, a barrier-avoiding universal wheel is installed at the lower end of the wheelchair body, a first fixing box is fixedly installed at the upper end of the wheelchair body, a servo motor is fixedly installed at the top end inside the first fixing box, a ball screw is installed at the shaft end of the servo motor, thrust rings are arranged at the two ends of the ball screw, a ball nut is sleeved on the outer surface of the ball screw, the ball nut is in sliding fit with the first fixing box, a connecting block is fixedly arranged on the outer surface of the ball nut, a sliding seam is longitudinally formed in the outer surface of the first fixing box, the end of the connecting block slides out of the sliding seam, a second fixing box is fixedly arranged at the end of the extending end, one end of the handrail body is fixedly installed, and a handle is fixedly arranged on the outer surface of the handrail body on one side.

Preferably, brushes are fixedly arranged on the upper surface and the lower surface of the ball nut and are in surface contact with the ball screw.

Preferably, the upper surface of the armrest body is provided with a containing cavity with a flip cover, and the inner surfaces of the containing cavity and the flip cover are fixedly provided with a folding screen.

Preferably, the outer side surface of the seat plate is provided with a sliding groove, a strong magnet is arranged in the sliding groove in a sliding mode, one end of the strong magnet is fixedly provided with a second reset spring and a connecting rod, and the other end of the connecting rod extends out of the sliding groove in a sliding mode.

Preferably, the upper surface of the seat plate is provided with a cushion, and the thickness of the armrest body is equal to the sum of the thicknesses of the seat plate and the cushion.

Preferably, the inside of the fixed box of second is provided with outer ring gear through the pivot rotation, and the one end of pivot stretch out the fixed box of second and with handrail body fixed connection, the upper end of the fixed box of second slides and imbeds there is the traveller, the embedding end surface cover of traveller is equipped with first reset spring, and embedding end fixing is provided with the rack, the rack meshes with outer ring gear mutually.

Preferably, the sliding column is a hexagonal prism, and the opening at the upper end of the second fixing box is an inner hexagonal opening.

Compared with the prior art, the invention has the beneficial effects that:

(1) through designing first fixed box, the patient passes through operating handle and starts servo motor, drives ball screw through servo motor and rotates, and control handrail body falls perpendicularly to with seat face horizontality, the wheelchair side reason of being convenient for and bed or closestool "zero" apart from the level butt joint, make things convenient for the patient to shift or go up and down the wheelchair.

(2) Set up the brush through the design, be convenient for automatic clear brush ball screw sets up folding screen, convenient to use and folding set up the strong magnet, adsorb fixedly through strong magnet and iron plate, and the wheel easily takes place to remove when preventing from going up and down the wheelchair, improves the security that the wheelchair used, sets up rack and outer ring gear, the inclination of the regulation and control handrail of being convenient for, the convenient leaning on of different statures uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a first fixing case of the present invention;

FIG. 3 is a cross-sectional view of a second fixing case of the present invention;

FIG. 4 is a top view of the armrest body of the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 1 in accordance with the present invention;

in the figure: 1. a wheelchair backrest; 2. a handrail body; 3. a seat plate; 4. a wheelchair main body; 5. a first stationary box; 6. a second stationary box; 7. a ball screw; 8. a ball nut; 9. a brush; 10. connecting blocks; 11. a traveler; 12. a first return spring; 13. a rack; 14. an outer ring gear; 15. folding the screen; 16. a chute; 17. strong magnets; 18. a second return spring; 19. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a gay wheelchair with an upturning handrail mechanism comprises a wheelchair backrest 1, ahandrail body 2, aseat plate 3 and a wheelchairmain body 4, wherein the wheelchair backrest 1 and theseat plate 3 are installed at the upper end of the wheelchairmain body 4, an obstacle avoidance universal wheel is installed at the lower end of the wheelchairmain body 4, afirst fixing box 5 is fixedly welded at the upper end of the wheelchairmain body 4, a servo motor is fixedly installed at the top end inside thefirst fixing box 5 through screws, aball screw 7 is installed at the shaft end of the servo motor, thrust rings are arranged at two ends of theball screw 7, aball nut 8 is sleeved on the outer surface of theball screw 7, theball nut 8 is in sliding fit with thefirst fixing box 5, a connectingblock 10 is fixedly welded on the outer surface of theball nut 8, a sliding seam is longitudinally formed on the outer surface of thefirst fixing box 5, a sliding seam extends out of the end part of the connectingblock 10, and a second fixing, one end fixed mounting ofhandrail body 2 is on thefixed box 6 of second, and the fixed surface ofhandrail body 2 on one side installs the handle, drivesball screw 7 through servo motor and rotates, andball screw 7 rotates will driveball nut 8 and reciprocate along first fixedbox 5, and then control connectingblock 10 reciprocates along the sliding seam, and connectingblock 10drives handrail body 2 vertical drop to with seat face horizontality, the patient of being convenient for shifts wheelchair from top to bottom.

In this embodiment, the upper and lower fixed surface ofball nut 8 is provided withbrush 9, and brush 9 andball screw 7 surface contact set upbrush 9, carry out automatic cleaning toball screw 7's surface, avoid external dust impurity to pass through the sliding gap and adhere toball screw 7's surface.

In this embodiment, the upper surface of thearmrest body 2 is provided with a storage cavity with a flip cover, the storage cavity and the flip cover are fixedly provided with a foldingscreen 15, thefolding screen 15 is arranged, the use and the folding are convenient, and the function of thearmrest body 2 that depends on the support of the arm is not affected.

In this embodiment, slidinggroove 16 has been seted up to the lateral surface ofseat 3, and it is provided withstrong magnet 17 to slide in slidinggroove 16, and the fixedsecond reset spring 18 and the connectingrod 19 that are provided with of one end ofstrong magnet 17, and connectingrod 19's the other end slides and stretches out slidinggroove 16, sets upstrong magnet 17, and at the fixed iron plate of bed edge department, treat that the wheelchair removes and be close to the bed edge back,strong magnet 17 adsorbs fixedly with iron plate, prevents that the wheelchair from sliding, improves wheelchair safety in utilization.

In this embodiment, the upper surface ofseat 3 is provided with the cushion, and the thickness ofhandrail body 2 equals the thickness sum ofseat 3 and cushion, ensures thathandrail body 2 is at same horizontal plane with the cushion with the upper surface ofhandrail body 2 behind the bottom, makes things convenient for patient's shift position.

In this embodiment, the inside of thefixed box 6 of second is provided withouter ring gear 14 through the pivot rotation, and the one end of pivot stretch out thefixed box 6 of second and withhandrail body 2 fixed connection, the upper end of thefixed box 6 of second slides and imbeds there istraveller 11, the embedding end surface cover oftraveller 11 is equipped withfirst reset spring 12, and the embedding end fixing is provided withrack 13, rack 13 meshes withouter ring gear 14 mutually, throughrack 13 and the meshing ofouter ring gear 14, be convenient for adjust the inclination who rotateshandrail body 2, the convenient different patient transfers to best angle and uses.

In this embodiment, thesliding column 11 is a hexagonal prism, the opening at the upper end of thesecond fixing box 6 is an inner hexagonal opening, and thesliding column 11 is limited by arranging the hexagonal prism and the inner hexagonal opening, so that thesliding column 11 is prevented from rotating.

The working principle and the using process of the invention are as follows: by arranging thefirst fixing box 5, when a patient needs to move from a wheelchair to a closestool or a bed, the servo motor is started by the control handle, theball screw 7 is driven to rotate by the servo motor, theball screw 7 rotates to drive theball nut 8 to move up and down along thefirst fixing box 5, so that the connectingblock 10 is controlled to move up and down along the sliding seam, the connectingblock 10 drives thearmrest body 2 to vertically descend to be in a horizontal state with the seat surface of the seat, the horizontal butt joint of the side edge of the wheelchair and the zero distance of the bed or the closestool is facilitated, and the patient can conveniently shift and transfer or get on or off the wheelchair;

through the arrangement of thebrush 9, the outer surface of theball screw 7 is automatically cleaned, so that external dust and impurities are prevented from being attached to the outer surface of theball screw 7 through a sliding seam, the foldingscreen 15 is arranged, the use and the folding are convenient, thestrong magnet 17 is arranged, the iron plate is convenient to fix at the bed edge, after the wheelchair moves to be close to the bed edge, thestrong magnet 17 is fixedly adsorbed with the iron plate to prevent the wheelchair from sliding, when the wheelchair needs to be moved, the connectingrod 19 is pulled to drive thestrong magnet 17 to slide and remove the adsorption with the iron plate, the wheelchair can be moved, after the connectingrod 19 is loosened, thestrong magnet 17 is reset under the action of thesecond reset spring 18 to be automatically adsorbed and fixed with the iron plate next time, therack 13 and the outertoothed ring 14 are arranged, when thearmrest body 2 needs to be rotated to change the inclination angle, thesliding column 11 is pulled upwards to drive therack 13 to be disengaged with theouter toothed ring 14, and the sliding, under the effect offirst reset spring 12rack 13 pushes down and is connected withouter ring gear 14 meshing, and then restrictshandrail body 2's rotation, sets up hexagonal prism and interior hexagonal opening, carries on spacingly totraveller 11, avoidstraveller 11's rotation, ensuresrack 13 andouter ring gear 14 stable meshing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

Translated fromChinese

1.一种具有上翻扶手机构的功勋轮椅，包括轮椅靠背（1）、扶手本体（2）、坐板（3）和轮椅主体（4），所述轮椅靠背（1）和坐板（3）安装在轮椅主体（4）的上端，所述轮椅主体（4）的下端安装有避障万向轮，其特征在于：所述轮椅主体（4）的上端固定安装有第一固定盒（5），所述第一固定盒（5）的内部顶端固定安装有伺服电机，所述伺服电机的轴端安装有滚珠丝杆（7），所述滚珠丝杆（7）的两端设置有止推环，且滚珠丝杆（7）的外表面套设有滚珠螺母（8），所述滚珠螺母（8）与第一固定盒（5）滑动配合，所述滚珠螺母（8）的外表面固定设置有连接块（10），所述第一固定盒（5）的外表面纵向开设有滑缝，所述连接块（10）的端部滑动伸出滑缝，且伸出端端部固定设置有第二固定盒（6），所述扶手本体（2）的一端固定安装在第二固定盒（6）上，且一侧扶手本体（2）的外表面固定安装有手柄。1. A meritorious wheelchair with an upturning armrest mechanism, comprising a wheelchair backrest (1), an armrest body (2), a seat plate (3) and a wheelchair body (4), the wheelchair backrest (1) and the seat plate (3) ) is installed on the upper end of the wheelchair main body (4), the lower end of the wheelchair main body (4) is equipped with an obstacle avoidance universal wheel, and it is characterized in that: the upper end of the wheelchair main body (4) is fixedly installed with a first fixing box (5). ), a servo motor is fixedly installed on the inner top of the first fixing box (5), a ball screw (7) is installed on the shaft end of the servo motor, and both ends of the ball screw (7) are provided with stoppers A push ring is provided, and a ball nut (8) is sleeved on the outer surface of the ball screw (7). The ball nut (8) is slidingly matched with the first fixing box (5). A connecting block (10) is fixedly arranged, a sliding slit is longitudinally opened on the outer surface of the first fixing box (5), the end of the connecting block (10) slides out of the sliding slit, and the end of the protruding end is fixed A second fixing box (6) is provided, one end of the armrest body (2) is fixedly mounted on the second fixing box (6), and a handle is fixedly mounted on the outer surface of one side armrest body (2).2.根据权利要求1所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述滚珠螺母（8）的上下表面固定设置有毛刷（9），所述毛刷（9）与滚珠丝杆（7）表面接触。2. A meritorious wheelchair with an upturning armrest mechanism according to claim 1, characterized in that a brush (9) is fixedly arranged on the upper and lower surfaces of the ball nut (8), and the brush (9) Make contact with the surface of the ball screw (7).3.根据权利要求1所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述扶手本体（2）的上表面开设有带有翻盖的收纳腔，所述收纳腔以及翻盖的内表面固定设置有折叠屏（15）。3. A meritorious wheelchair with an upturning armrest mechanism according to claim 1, characterized in that: a storage cavity with a flip cover is opened on the upper surface of the armrest body (2), and the storage cavity and the flip cover are provided on the upper surface. A folding screen (15) is fixedly arranged on the inner surface.4.根据权利要求1所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述坐板（3）的外侧面开设有滑槽（16），所述滑槽（16）内滑动设置有强磁铁（17），所述强磁铁（17）的一端固定设置有第二复位弹簧（18）和连接杆（19），所述连接杆（19）的另一端滑动伸出滑槽（16）。4. A meritorious wheelchair with an upturning armrest mechanism according to claim 1, characterized in that: a chute (16) is opened on the outer side of the seat plate (3), and a chute (16) is arranged in the chute (16). A strong magnet (17) is slidably arranged, one end of the strong magnet (17) is fixedly provided with a second return spring (18) and a connecting rod (19), and the other end of the connecting rod (19) slides out of the chute (16).5.根据权利要求1所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述坐板（3）的上表面设置有软垫，所述扶手本体（2）的厚度等于坐板（3）与软垫的厚度之和。5. A meritorious wheelchair with an upturning armrest mechanism according to claim 1, characterized in that: the upper surface of the seat plate (3) is provided with a soft pad, and the thickness of the armrest body (2) is equal to the thickness of the seat plate (3). The sum of the thicknesses of the plate (3) and the upholstery.6.根据权利要求1所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述第二固定盒（6）的内部通过转轴转动设置有外齿环（14），且转轴的一端伸出第二固定盒（6）并与扶手本体（2）固定连接，所述第二固定盒（6）的上端滑动嵌入有滑柱（11），所述滑柱（11）的嵌入端外表面套设有第一复位弹簧（12），且嵌入端端部固定设置有齿条（13），所述齿条（13）与外齿环（14）相啮合。6. A meritorious wheelchair with an up-turning armrest mechanism according to claim 1, characterized in that: an external gear ring (14) is arranged inside the second fixing box (6) through the rotation of the rotating shaft, and the rotating shaft is One end protrudes from the second fixing box (6) and is fixedly connected with the armrest body (2). A first return spring (12) is sleeved on the outer surface, and a rack (13) is fixedly arranged at the end of the embedded end, and the rack (13) is engaged with the outer toothed ring (14).7.根据权利要求6所述的一种具有上翻扶手机构的功勋轮椅，其特征在于：所述滑柱（11）为六棱柱，所述第二固定盒（6）上端开口为内六角开口。7 . The meritorious wheelchair with an upturning armrest mechanism according to claim 6 , wherein the sliding column ( 11 ) is a hexagonal column, and the upper end opening of the second fixing box ( 6 ) is an inner hexagonal opening. 8 . .

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