CN211213947U

CN211213947U - Novel folding wheelchair

Info

Publication number: CN211213947U
Application number: CN201922120164.9U
Authority: CN
Inventors: 陈文锋; 何万贤
Original assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Current assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-08-11
Anticipated expiration: 2029-11-24

Abstract

The utility model discloses a novel folding wheelchair, including brake equipment, cushion mechanism and locking mechanism, the utility model discloses a set up brake equipment in the gyro wheel upper end, when will carrying out brake braking, through down pressing brake lever, make the brake lever drive the connecting rod and swing toward the upper end to make the connecting rod drive the linkage piece and swing toward the upper end, make the linkage piece press the brake block and swing toward the lower end, thereby make the screw of brake block bottom lock the gyro wheel downwards, realize the braking, reached the advantage that can carry out quick braking; through having set up cushion mechanism in the stand upper end, through the rotating knob, make the knob drive ball rotate in rotating cover and bearing inboard to make ball drive the movable plate and reciprocate, make the movable plate drive the slide and reciprocate along the stand left and right sides, and then make the slide drive the highly adjusting of back cushion, reached the height that can the quick adjustment back cushion, increase user's use comfort's advantage.

Description

Novel folding wheelchair

Technical Field

The utility model relates to a wheelchair car correlation field specifically is a novel folding wheelchair car.

Background

The invention of the wheelchair enables people with the inconvenient lower body to freely move, saves the trouble of caregivers, is convenient to transfer in a hospital and can facilitate the self-movement in real life.

The wheelchair when not using, occupy fairly big space, cause to transport and accomodate all there is very big inconvenience, at this moment folding wheelchair has just been produced, but present folding wheelchair when using when will folding wheelchair brake and stop, often go to draw through the manpower and drag, make it stop, and folding wheelchair often simple structure when using, use comfort is low, current folding wheelchair is difficult for braking folding wheelchair fast, and the height of difficult quick adjustment back cushion, lead to using inconveniently.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model discloses herein provides a novel folding wheelchair car.

The utility model is realized in such a way, a novel folding wheelchair is constructed, the device comprises a universal wheel, a brake device, a second folding rod, a cushion plate, a push rod, a cushion mechanism, a round tube, a locking mechanism and a chute, the universal wheel is matched with the inner left lower end of a support rod in a rotating way, the support rod is connected with the left end of the first folding rod in a rotating way through a hinge shaft, one end of the first folding rod, which is far away from the support rod, is matched with the lower quarter of the rear end of a side rod through the hinge shaft in a rotating way, the inner side of the bottom of the side rod is movably connected with a roller, the brake device is fixedly arranged at the upper end of the bottom of the side rod and comprises a brake rod, a linkage piece, a brake plate, a screw and a connecting rod, the connecting rod is matched with the inner side of the bottom of the side rod through the hinge, and the other end of the linkage piece is rotatably connected with the right upper end of the inner side of the brake plate, and screws are fixedly mounted on the lower sides of the right ends of the brake plate and the screws.

Preferably, one end of the second folding rod is rotatably connected with the middle of the front end of the support rod through a hinge shaft, the other end of the second folding rod is movably nested at the left end of the bottom of the seat cushion plate, the seat cushion plate is rotatably connected with the front end of the bottom of the upright post, the upright post is fixed with the front end of the carrying rod through electric welding, the carrying rod is fixed with the rear end of the handrail into a whole, the upright post is tightly fixed with the lower side of the front end of the push rod in an electric arc welding mode, a back cushion mechanism is installed at the lower end of the inner side of the upright post, the circular tube is fixedly connected with the bottom of the inner side of the upright post.

Preferably, the back cushion mechanism comprises a rotating sleeve, a ball screw, a knob, a moving block, a sliding plate, a back cushion and a bearing, the rotating sleeve is locked and fixed with the upper side of the rear end of the upright post through screws, the ball screw penetrates through the inner side of the rotating sleeve in a clearance fit manner, the ball screw is fixedly connected with the lower end of the knob and sealed at a joint, the moving block is arranged at the upper end of the ball screw, the sliding plate is arranged on the left side and the right side of the moving block relatively, the sliding plate is in sliding fit with the left side and the right side of the upright post, the back cushion is fixedly mounted at the rear end of the sliding.

Preferably, locking mechanism includes button, pin pole, locking lever and spring, the pin pole adopts clearance fit's mode to imbed in the inboard left end of pipe, the button is fixed mutually through the electric welding with pin pole front end right side to the button is pressed and the inboard sliding fit of spout, the pin pole is fixed as an organic whole with the locking lever right-hand member, and the locking lever pegs graft mutually with the inboard lower extreme of stand, pin pole right-hand member fixedly connected with spring.

Preferably, the upper end of the knob is provided with strip-shaped anti-skid grains which are distributed along the outer surface of the knob at equal intervals.

Preferably, the number of the pin rods is two, and the upper ends of the pin rods are provided with the press buttons and the locking rods.

Preferably, the spring is located between the two pin rods and fixed to the middle of the two pin rods.

Preferably, the central lines of the ball screw, the knob and the moving block are in the same vertical direction, and the maximum moving distance of the moving block is twenty-five centimeters.

Preferably, the spring is made of spring steel and has excellent elastic potential energy.

Preferably, the pin rod is made of 45-grade steel, and has high hardness and strong corrosion resistance.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a novel folding wheelchair car here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a novel folding wheelchair car through having set up brake equipment in the gyro wheel upper end, when will carrying out brake braking, through down the end pressure brake lever, makes the brake lever drive the connecting rod and swings toward the upper end to make the connecting rod drive the linkage piece and swing toward the upper end, make the linkage piece press the brake block and swing toward the lower end, thereby make the screw of brake block bottom lock the gyro wheel dead downwards, realize the braking, reached the advantage that can carry out the rapid braking.

The method has the advantages that: a novel folding wheelchair car through having set up cushion mechanism in the stand upper end, through the rotating knob, makes the knob drive ball rotate in rotating cover and bearing inboard to make ball drive the movable plate and reciprocate, make the movable plate drive the slide and reciprocate along the stand left and right sides, and then make the slide drive the highly adjusting of back cushion, reached the height that can the quick adjustment back cushion, increase user's use comfort level's advantage.

The method has the advantages that: a novel folding wheelchair car through having set up locking mechanism in the pipe inboard, presses the button through past inboard, makes to press the button to drive the pin rod and remove toward the drum inboard to make two pin rods press the spring to produce the shrink of deforming, it is fixed to make the pin rod drive the grafting of locking lever relieving the side lever of stand upper end, can fold the swing with the side lever, has reached and can carry out the advantage of folding fast and fixing a position to the side lever.

Drawings

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

FIG. 2 is a front view of the foldable wheelchair of the present invention;

FIG. 3 is a rear view of the foldable wheelchair of the present invention;

FIG. 4 is a schematic view of the foldable wheelchair of the present invention after being folded;

FIG. 5 is a schematic view of the folded wheelchair of the present invention in a side view;

FIG. 6 is a schematic side view of the brake apparatus of the present invention;

FIG. 7 is a schematic view of the detailed structure of the brake device of the present invention;

FIG. 8 is a front view of the back cushion mechanism of the present invention;

fig. 9 is a schematic sectional structure diagram of the locking mechanism of the present invention.

Wherein: the device comprises a universal wheel-1, a support rod-2, a first folding rod-3, a side rod-4, a roller-5, a brake device-6, a second folding rod-7, a cushion plate-8, a vertical column-9, a bearing rod-10, an armrest-11, a push rod-12, a cushion mechanism-13, a round tube-14, a locking mechanism-15, a chute-16, a brake rod-61, a linkage piece-62, a brake plate-63, a screw-64, a connecting rod-65, a rotating sleeve-131, a ball screw-132, a knob-133, a moving block-134, a sliding plate-135, a cushion-136, a bearing-137, a press button-151, a pin rod-152, a locking rod-153 and a spring-154.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1-9, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a novel folding wheelchair comprising a universal wheel 1, a brake device 6, a second folding rod 7, a cushion plate 8, a push rod 12, a cushion mechanism 13, a round tube 14, a locking mechanism 15 and a sliding groove 16, wherein the universal wheel 1 is in rotating fit with the inner left lower end of a support rod 2, the support rod 2 is in rotating connection with the left end of the first folding rod 3 through a hinge shaft, one end of the first folding rod 3, which is far away from the support rod 2, is in rotating fit with the lower quarter of the rear end of a side lever 4 through the hinge shaft, the inner side of the bottom of the side lever 4 is movably connected with a roller 5, the upper end of the bottom of the side lever 4 is fixedly provided with the brake device 6, the brake device 6 comprises a brake rod 61, a linkage piece 62, a brake plate 63, a screw 64 and a connecting rod 65, the connecting rod 65 is in rotating fit with the inner side of the bottom of the side lever 4 through the hinge shaft, one end of the linkage piece 62 is in rotating fit with the right side of the front end of the connecting rod 65 through a hinge shaft, the other end of the linkage piece 62 is in rotating connection with the right upper end of the inner side of the braking plate 63, and a screw 64 is fixedly mounted on the lower sides of the right ends of the braking plate 63 and the screw 64.

Furthermore, one end of a second folding rod 7 is rotatably connected with the middle of the front end of the support rod 2 through a hinge shaft, the other end of the second folding rod 7 is movably nested at the left end of the bottom of the cushion plate 8, the cushion plate 8 is rotatably connected with the front end of the bottom of the upright post 9, the upright post 9 is fixed with the front end of the bearing rod 10 through electric welding, the bearing rod 10 is fixed with the rear end of the handrail 11 into a whole, the upright post 9 is closely fixed with the lower side of the front end of the push rod 12 through electric welding, a cushion mechanism 13 is installed at the lower end of the inner side of the upright post 9, the round tube 14 is fixedly connected with the bottom of the inner side of the upright post 9, a locking mechanism 15 is fixedly installed inside the round tube 14.

Further, the backrest cushion mechanism 13 includes a rotating sleeve 131, a ball screw 132, a knob 133, a moving block 134, a sliding plate 135, a backrest cushion 136 and a bearing 137, the rotating sleeve 131 is locked and fixed with the upper side of the rear end of the upright post 9 through a screw, the ball screw 132 penetrates through the inner side of the rotating sleeve 131 in a clearance fit manner, the ball screw 132 is fixedly connected with the lower end of the knob 133, a joint is sealed, the moving block 134 is arranged at the upper end of the ball screw 132, the sliding plates 135 are oppositely arranged at the left and right sides of the moving block 134, the sliding plates 135 are in sliding fit with the left and right sides of the upright post 9, the backrest cushion 136 is fixedly installed at the rear end of the sliding plate 135, and the ball.

Further, locking mechanism 15 includes press button 151, pin rod 152, locking lever 153 and spring 154, pin rod 152 adopts clearance fit's mode to imbed in the inboard left end of pipe 14, press button 151 and pin rod 152 front end right side to pass through the electric welding and fix mutually to press

button

151 and 16 inboard sliding fit of spout, pin rod 152 and locking lever 153 right-hand member are fixed as an organic whole, and locking lever 153 pegs graft mutually with the inboard lower extreme of stand 9, pin rod 152 right-hand member fixedly connected with spring 154.

Further, the knob 133 upper end is provided with bar antiskid line to antiskid line is along knob 133 surface equidistance distribution, does benefit to and plays skid-proof effect.

Further, the pin rods 152 are provided with two, and the upper ends of the pin rods 152 are provided with the press buttons 151 and the locking rods 153, so that the side rods 4 can be fixed.

Further, the spring 154 is located between the two pin rods 152 and fixed to the middle of the two pin rods 152, so as to perform the function of resetting the pin rods 152.

Further, the central lines of the ball screw 132, the knob 133 and the moving block 134 are located in the same vertical direction, and the maximum moving distance of the moving block 134 is twenty-five centimeters, so that the headrest 136 is driven to adjust the height.

Further, the spring 154 is made of spring steel, and has excellent elastic potential energy.

Further, the pin 152 is 45 steel, and has high hardness and strong corrosion resistance.

The utility model provides a novel folding wheelchair through improvement, which has the following working principle;

firstly, before use, the folding wheelchair is horizontally placed, so that the universal wheels 1 and the rollers 5 fixedly support the folding wheelchair, then a user can be placed at the upper end of the cushion plate 8, the push rod 12 is held by the hand to push the folding wheelchair to move, so that the universal wheels 1 and the rollers 5 roll, and the user is driven to an area needing to move;

secondly, at the same time, by rotating the knob 133, the knob 133 can drive the ball screw 132 to rotate inside the rotating sleeve 131 and the bearing 137, so that the ball screw 132 drives the moving plate 134 to move up and down, the moving plate 134 drives the sliding plate 135 to move up and down along the left and right sides of the upright post 9, and further the sliding plate 135 drives the height of the headrest 136 to be adjusted to a proper position, so as to increase the use comfort of a user, when braking is to be performed, the brake rod 61 is pressed towards the lower end, so that the brake rod 61 drives the connecting rod 65 to swing towards the upper end, so that the connecting rod 65 drives the linkage piece 62 to swing towards the upper end, so that the linkage piece 62 presses the brake plate 63 to swing towards the lower end, and the screw 64 at the bottom of the brake plate 63 locks the roller 5 downwards, thereby realizing braking;

thirdly, when the foldable wheelchair is to be folded, the press button 151 is pressed inward to drive the pin 152 to move toward the inner side of the cylinder 14 by the press button 151, and the two pin 152 press the spring 154 to deform and contract, so that the pin 152 drives the locking rod 153 to release the insertion and fixation of the side lever 4 at the upper end of the upright post 9, that is, the side lever 4 can be folded and swung, and then the support rod 2, the side lever 4 and the cushion plate 8 are folded toward the upper end of the upright post 9, so that the cushion plate 8 is tightly attached to the upright post 9, and cannot be easily unfolded, and the foldable wheelchair is folded.

The utility model provides a novel folding wheelchair, through having set up brake equipment 6 in gyro wheel 5 upper end, when will carrying out brake braking, through pressing brake lever 61 to the lower end, make brake lever 61 drive connecting rod 65 and swing to the upper end, thereby make connecting rod 65 drive linkage piece 62 and swing to the upper end, make linkage piece 62 press brake block 63 and swing to the lower end, thereby make the screw 64 of brake block 63 bottom lock gyro wheel 5 downwards, realize the braking, reached the advantage that can carry out the quick braking; by arranging the back cushion mechanism 13 at the upper end of the upright post 9 and rotating the knob 133, the knob 133 drives the ball screw 132 to rotate inside the rotating sleeve 131 and the bearing 137, so that the ball screw 132 drives the moving plate 134 to move up and down, the moving plate 134 drives the sliding plate 135 to move up and down along the left side and the right side of the upright post 9, and the sliding plate 135 drives the height of the back cushion 136 to be adjusted, thereby achieving the advantages of quickly adjusting the height of the back cushion and increasing the use comfort of a user; through having set up locking mechanism 15 in pipe 14 inboard, through pressing button 151 to inboard, make button 151 drive pin rod 152 and remove towards drum 14 inboard to make two pin rods 152 press the spring 154 and produce the shrink of deformation, make pin rod 152 drive locking lever 153 and remove the grafting of side lever 4 to the stand 9 upper end fixed, can fold the swing with side lever 4, reached and to have carried out quick folding and the advantage of location to side lever 4.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel folding wheelchair, its characterized in that, its structure includes universal wheel (1), brake equipment (6), second folding rod (7), cushion board (8), push rod (12), cushion mechanism (13), pipe (14), locking mechanism (15) and spout (16), universal wheel (1) and bracing piece (2) inside left lower extreme normal running fit, bracing piece (2) are connected through hinge pin and first folding rod (3) left end rotation to bracing piece (2) one end is kept away from in first folding rod (3) and is passed through hinge pin and side lever (4) rear end downside fourth department normal running fit, side lever (4) bottom inboard swing joint has gyro wheel (5), side lever (4) bottom upper end fixed mounting has brake equipment (6), brake equipment (6) are including brake lever (61), linkage piece (62), Brake block (63), screw (64) and connecting rod (65), connecting rod (65) are through hinge pin and the inboard normal running fit in side lever (4) bottom to connecting rod (65) and brake lever (61) bottom are fixed as an organic whole, linkage piece (62) one end is through hinge pin and connecting rod (65) front end right side running fit, and linkage piece (62) other end and brake block (63) inboard upper right end rotation connection, brake block (63), screw (64) right-hand member downside fixed mounting has screw (64).

2. The new folding wheelchair as claimed in claim 1, wherein: second folding rod (7) one end is passed through the hinge pin and is connected with bracing piece (2) front end middle part rotation to second folding rod (7) other end activity nestification in cushion board (8) bottom left end, cushion board (8) are connected with stand (9) bottom front end rotation, stand (9) are fixed with receiving rod (10) front end through the electric welding, receiving rod (10) are fixed as an organic whole with handrail (11) rear end, stand (9) are closely fixed with push rod (12) front end downside through the mode of electric arc welding, cushion mechanism (13) are installed to stand (9) inboard lower extreme, pipe (14) and stand (9) inboard bottom fixed connection, pipe (14) inside fixed mounting has locking mechanism (15), spout (16) have been seted up relatively to both sides about pipe (14) upper end.

3. The new folding wheelchair as claimed in claim 1, wherein: the back cushion mechanism (13) comprises a rotating sleeve (131), a ball screw (132), a knob (133), a moving block (134), a sliding plate (135), a back cushion (136) and a bearing (137), wherein the rotating sleeve (131) is locked and fixed with the upper side of the rear end of the upright post (9) through screws, the ball screw (132) penetrates through the inner side of the rotating sleeve (131) in a clearance fit mode, the ball screw (132) is fixedly connected with the lower end of the knob (133) and the joint is sealed, the moving block (134) is arranged at the upper end of the ball screw (132), the sliding plate (135) is oppositely arranged on the left side and the right side of the moving block (134), the sliding plate (135) is in sliding fit with the left side and the right side of the upright post (9), the back cushion (136) is fixedly installed at the rear end of the sliding plate (135), and the.

4. The new folding wheelchair as claimed in claim 1, wherein: locking mechanism (15) are including pressing button (151), pin rod (152), locking lever (153) and spring (154), pin rod (152) adopt clearance fit's mode to imbed in pipe (14) inboard left end, it is fixed mutually through the electric welding on button (151) and pin rod (152) front end right side to press button (151) and spout (16) inboard sliding fit, pin rod (152) are fixed as an organic whole with locking lever (153) right-hand member, and locking lever (153) peg graft mutually with stand (9) inboard lower extreme, pin rod (152) right-hand member fixedly connected with spring (154).

5. The new folding wheelchair as claimed in claim 3, wherein: the anti-skidding line of bar is provided with in knob (133) upper end to anti-skidding line is along knob (133) surface equidistance distribution.

6. The new folding wheelchair as claimed in claim 4, wherein: the number of the pin rods (152) is two, and the upper ends of the pin rods (152) are provided with press buttons (151) and locking rods (153).

7. The new folding wheelchair as claimed in claim 4, wherein: the spring (154) is positioned between the two pin rods (152) and is fixed with the middle of the two pin rods (152).

8. The new folding wheelchair as claimed in claim 3, wherein: the central lines of the ball screw (132), the knob (133) and the moving block (134) are in the same vertical direction, and the maximum moving distance of the moving block (134) is twenty-five centimeters.