CN213759008U

CN213759008U - Novel safety wheelchair

Info

Publication number: CN213759008U
Application number: CN202022755279.8U
Authority: CN
Inventors: 黄宏伟
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a novel safety wheelchair, including side shield, brake strip, audible-visual annunciator, the fast sensor of magneto-electric wheel, balancing weight and safety belt, the one end of side shield has the back through the fix with screw, the top welding of back has the push rod, the one end of push rod is provided with the hand (hold), the lower extreme of hand (hold) is connected with the manual brake through the pivot, one side of push rod has the safety belt through fix with rivet, the top welding of side shield has the handrail, there is audible-visual annunciator one side of side shield through the mounting screw, there is the fast sensor of magneto-electric wheel bottom of side shield through the mounting screw, the lower extreme of back is provided with the rear wheel, the inside of rear wheel is provided with wheel hub, be provided with the magnetic path on the wheel hub. The utility model discloses safe wheelchair can detect the rotational speed, and has weight balance's function, and the practicality is high, durable, and easy operation, is fit for extensively using widely.

Description

Novel safety wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a novel safe wheelchair.

Background

The wheelchair is a chair provided with wheels and capable of helping disabled persons and patients to walk, is divided into electric and manual folding wheelchairs, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of the disabled persons, and enables the disabled persons to perform physical exercise and participate in social activities by means of the wheelchair.

However, the conventional wheelchair has the following disadvantages: 1. the wheelchair does not have the function of detecting the rotating speed of the wheelchair, and accidents such as collision, toppling and the like can be caused if the wheelchair moves too fast; 2. the wheelchair does not have the function of balance protection, and the wheelchair cannot be prevented from bumping in the driving process; 3. the forward leaning phenomenon of the body of a person when the person goes downhill cannot be avoided. Therefore, a novel safety wheelchair is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a novel safe wheelchair, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel safety wheelchair comprises a side baffle, a brake strip, an audible and visual alarm, a magnetoelectric wheel speed sensor, a balancing weight and a safety belt, wherein a backrest is fixed at one end of the side baffle through screws, a push rod is welded at the top of the backrest, a handle is arranged at one end of the push rod, a hand brake is connected at the lower end of the handle through a rotating shaft, the safety belt is fixed at one side of the push rod through rivets, a handrail is welded at the top of the side baffle, the audible and visual alarm is installed at one side of the side baffle through screws, a single chip microcomputer controller is installed at one side of the side baffle and at the lower end of the audible and visual alarm through bolts, the magnetoelectric wheel speed sensor is installed at the bottom of the side baffle through screws, a rear wheel is arranged at the lower end of the backrest, a wheel hub is arranged inside the rear wheel, a magnetic block is arranged on the wheel hub, and a first fixing frame is welded at the other end of the side baffle, the bottom of first mount is connected with the connection wishbone, the peripheral upper end cover that just is located the connection wishbone of first mount is equipped with the balancing weight.

Furthermore, the lower end of the hand brake is connected with a brake strip, one side of the wheel hub is provided with a brake piece through a screw, and the other end of the brake strip is connected with the brake piece.

Furthermore, the current output end of the magnetoelectric wheel speed sensor is electrically connected with the current input end of the single chip microcomputer controller through a lead, and the current output end of the single chip microcomputer controller is electrically connected with the current input end of the audible and visual alarm through a lead.

Further, the safety belt is made of a nylon material.

Furthermore, a second fixing frame is welded on one side of the first fixing frame, and a pedal is welded at one end of the second fixing frame.

Furthermore, the bottom of the connecting fork bone is provided with a universal wheel, and two ends of the universal wheel are connected with the connecting fork bone through bearings.

Further, the single chip microcomputer controller is located between the audible and visual alarm and the magnetoelectric wheel speed sensor.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up audible-visual annunciator, the fast sensor of magnetoelectric, magnetic path, the fast sensor of magnetoelectric can detect the rotational speed of wheel, and then can calculate out the rotational speed of rear wheel in this novel wheelchair, and the rotational speed at the rear wheel position when the wheelchair is zero, the fast sensor of magnetoelectric can be to audible-visual annunciator transmission alarm information, audible-visual annunciator can send audible-visual annunciator, warns personnel, reminds the wheelchair user to brake the wheelchair.

2. Through setting up the balancing weight, the density of balancing weight is big, and weight is heavier, because of the main structure part of wheelchair installs the rear at the wheelchair basically, therefore the balancing weight can carry out the balance of weight around to the wheelchair, prevents that the wheelchair from producing the phenomenon of jolting at the in-process that removes.

3. Through setting up the safety belt, the safety belt adopts the nylon materials to make, and toughness is strong, resistant buckling, and stretch-proofing performance is good, and dopes in the safety belt and have polyurethane fiber, has good elasticity, can carry out spacing, the protection of buffering to personnel, avoids personnel to produce the phenomenon of empting when the wheelchair downhill path.

Drawings

Fig. 1 is a schematic view of the overall structure of the novel safety wheelchair of the present invention.

Fig. 2 is a top view of the novel safety wheelchair of the present invention.

Fig. 3 is a schematic view of a rear wheel structure of the novel safety wheelchair of the present invention.

Fig. 4 is a schematic structural view of the magnetic block and the magnetoelectric wheel speed sensor of the novel safety wheelchair.

In the figure: 1. a side dam; 2. a push rod; 3. a handle; 4. a hand brake; 5. a brake bar; 6. an audible and visual alarm; 7. a magnetoelectric wheel speed sensor; 8. a balancing weight; 9. a universal wheel; 10. a rear wheel; 11. connecting the fork bone; 12. a brake pad; 13. pedaling; 14. a handrail; 16. a seat belt; 17. a backrest; 18. a hub; 19. a magnetic block; 20. a first fixing frame; 21. a second fixing frame; 22. and a singlechip controller.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a novel safety wheelchair comprises a side baffle 1, a brake strip 5, an audible and visual alarm 6, a magnetoelectric wheel speed sensor 7, a balancing weight 8 and a safety belt 16, wherein a backrest 17 is fixed at one end of the side baffle 1 through screws, a push rod 2 is welded at the top of the backrest 17, a handle 3 is arranged at one end of the push rod 2, a hand brake 4 is connected to the lower end of the handle 3 through a rotating shaft, the safety belt 16 is fixed at one side of the push rod 2 through rivets, a handrail 14 is welded at the top of the side baffle 1, the audible and visual alarm 6 is installed at one side of the side baffle 1 through screws, a single chip microcomputer controller 22 is installed at one side of the side baffle 1 and at the lower end of the audible and visual alarm 6 through bolts, the magnetoelectric wheel speed sensor 7 is installed at the bottom of the side baffle 1 through screws, and a rear wheel 10 is arranged at the lower end of the backrest 17, the inside of rear wheel 10 is provided with wheel hub 18, be provided with magnetic path 19 on the wheel hub 18, the other end welding of side shield 1 has first mount 20, the bottom of first mount 20 is connected with connects the wishbone 11, the peripheral and the last pot head that is located to connect the wishbone 11 of first mount 20 is equipped with balancing weight 8.

The lower end of the hand brake 4 is connected with a brake strip 5, one side of the hub 18 is provided with a brake piece 12 through a screw, and the other end of the brake strip 5 is connected with the brake piece 12.

In this embodiment, as shown in fig. 1, when the accompanying person pushes the wheelchair, the hand brake 4 can be tightly held to drive the brake strip 5 to lift up, and then the brake strip 5 can pull the brake piece 12, and then the brake piece 12 and the hub 18 of the rear wheel 10 generate resistance, so that the rear wheel 10 stops.

The current output end of the magnetoelectric wheel speed sensor 7 is electrically connected with the current input end of the single chip microcomputer controller 22 through a lead, and the current output end of the single chip microcomputer controller 22 is electrically connected with the current input end of the audible and visual alarm 6 through a lead.

In this embodiment, as shown in fig. 1, the magnetoelectric wheel speed sensor 7 can transmit a signal to the single chip microcomputer controller 22, and then the single chip microcomputer controller 22 can control the audible and visual alarm 6 to operate.

Wherein, the safety belt 16 is made of nylon material.

Wherein, one side of the first fixing frame 20 is welded with a second fixing frame 21, and one end of the second fixing frame 21 is welded with a pedal 13.

In this embodiment, as shown in fig. 1, the step 13 can be tightly fixed to the second fixing frame 21 by this method.

The bottom of the connecting fork 11 is provided with a universal wheel 9, and two ends of the universal wheel 9 are connected with the connecting fork 11 through bearings.

In the embodiment, as shown in fig. 1, the connection fork 11 can tightly fix the universal wheel 9 and the first fixing frame 20.

Wherein, the single chip microcomputer controller 22 is positioned between the audible and visual alarm 6 and the magnetoelectric wheel speed sensor 7.

It should be noted that, the utility model relates to a novel safety wheelchair, in operation, the personnel connects the electric equipment in the novel device with the power supply, medical personnel hold the patient to the wheelchair, fix the safety belt 16 on the periphery of the patient's body, can prevent the forward tilting phenomenon of the patient's body in the wheelchair moving process, furthermore, through the effect of the magnetoelectric wheel speed sensor 7 (product of Beijing ni-Yake technology Limited, model is STV72) and the magnetic block 19, the magnetic block 19 is installed on the wheel hub 18, and the magnetoelectric wheel speed sensor 7 is installed at the bottom of the side shield 1, so there remains a movable space between the magnetic block 19 and the magnetoelectric wheel speed sensor 7, but the gap between the induction area of the magnetoelectric wheel speed sensor 7 and the magnetic block 19 is smaller, and is kept within 5mm, so the magnetic block 19 can smoothly pass through one side of the magnetoelectric wheel speed sensor 7, under the prerequisite that satisfies above-mentioned installation condition, can install magnetic path 19 in any position on the spoke, the rotational speed at the rear wheel 10 position of wheelchair is zero, relevant signal can be detected to the fast sensor 7 of magnetoelectric wheel, and with signal transmission to single chip microcomputer controller 22 (product of Shenzhen Ke Ruizu science and technology Limited company), single chip microcomputer controller 22 is after data processing, to audible-visual annunciator 6 transmission alarm information, audible-visual annunciator 6 can send audible-visual annunciator information, personnel perception can brake the operation of wheel chair after alarm information, avoid arousing the incident because of forgetting the brake.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel safe wheelchair, includes side shield (1), brake block (5), audible-visual annunciator (6), the fast sensor of magnetoelectric wheel (7), balancing weight (8) and safety belt (16), its characterized in that: the one end of side shield (1) has back (17) through the fix with screw, the top welding of back (17) has push rod (2), the one end of push rod (2) is provided with hand (hold) 3, the lower extreme of hand (hold) 3 is connected with manual brake (4) through the pivot, one side of push rod (2) has safety belt (16) through fix with rivet, the top welding of side shield (1) has handrail (14), audible-visual annunciator (6) is installed through the screw to one side of side shield (1), singlechip controller (22) is installed through the bolt to one side of side shield (1) and the lower extreme that is located audible-visual annunciator (6), magnetoelectric wheel speed sensor (7) is installed through the screw in the bottom of side shield (1), the lower extreme of back (17) is provided with rear wheel (10), the inside of rear wheel (10) is provided with wheel hub (18), the wheel hub (18) is provided with a magnetic block (19), the other end of the side baffle (1) is welded with a first fixing frame (20), the bottom of the first fixing frame (20) is connected with a connecting fork (11), and a balancing weight (8) is sleeved on the periphery of the first fixing frame (20) and the upper end of the first fixing frame, which is located on the connecting fork (11).

2. The novel safety wheelchair as claimed in claim 1, wherein: the lower end of the hand brake (4) is connected with a brake strip (5), one side of the wheel hub (18) is provided with a brake piece (12) through a screw, and the other end of the brake strip (5) is connected with the brake piece (12).

3. The novel safety wheelchair as claimed in claim 1, wherein: the current output end of the magnetoelectric wheel speed sensor (7) is electrically connected with the current input end of the single chip microcomputer controller (22) through a lead, and the current output end of the single chip microcomputer controller (22) is electrically connected with the current input end of the audible and visual alarm (6) through a lead.

4. The novel safety wheelchair as claimed in claim 1, wherein: the safety belt (16) is made of nylon materials.

5. The novel safety wheelchair as claimed in claim 1, wherein: a second fixing frame (21) is welded on one side of the first fixing frame (20), and a pedal (13) is welded at one end of the second fixing frame (21).

6. The novel safety wheelchair as claimed in claim 1, wherein: the bottom of the connecting fork bone (11) is provided with a universal wheel (9), and two ends of the universal wheel (9) are connected with the connecting fork bone (11) through bearings.

7. The novel safety wheelchair as claimed in claim 1, wherein: the single chip microcomputer controller (22) is located between the audible and visual alarm (6) and the magnetoelectric wheel speed sensor (7).