Electric wheelchair with pedal convenient to replace

Abstract

The utility model discloses an electric wheelchair with a pedal convenient to replace. The electric wheelchair comprises an electric wheelchair body and an installation assembly. The electric wheelchair body comprises a seat body and a pedal body; the two pedal bodies are symmetrically arranged on the seat body through the mounting assembly; the mounting assembly comprises a T-shaped connecting rod, a through hole groove, a guide groove, a guide block, a thread groove, a screw rod and a baffle plate; the two T-shaped connecting rods are symmetrically and fixedly arranged on the seat body supporting frame; a through hole groove is formed in the pedal body and matched with a horizontal rod of the T-shaped connecting rod in an inserted mode, and one side of the pedal body makes contact with a vertical rod of the T-shaped connecting rod. A guide groove is formed in the through hole groove; the guide block is arranged in the guide groove in a penetrating mode and fixedly connected with a horizontal rod of the T-shaped connecting rod. A threaded groove is formed in a horizontal rod of the T-shaped connecting rod; the screw rod is screwed in the thread groove; the electric wheelchair with the pedal convenient to replace is simple and reasonable in structure, ingenious in design, free of tools, simple in disassembly process and high in replacement efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wheelchair technical field, concretely is an electric wheelchair convenient to change pedal. BACKGROUND

[0002] The electric wheelchair is a new generation of intelligent wheelchair with multiple functions such as forward movement, backward movement, turning, standing, lying, etc., which is formed by adding high-performance power driving devices, intelligent control devices, batteries and other components to the traditional manual wheelchair and is controlled by an artificial intelligent controller.

[0003] A kind of electric wheelchair provided by Chinese utility model patent with publication number CN213641648U, including wheelchair support, the top of the wheelchair support is fixedly connected with armrest support, the top of the wheelchair support is fixedly connected with cushion, the one end of the cushion is fixedly connected with backrest, the other end of the cushion is fixedly connected with leg rest, the bottom of the wheelchair support is rotatably connected with axle by bearing, the connecting place of the cushion and backrest is fixedly installed with backrest adjuster, the top of the wheelchair support is fixedly connected with safety belt, the bottom of the wheelchair support is fixedly installed with two universal wheels, the inclination degree of backrest can be adjusted by adjusting backrest adjuster, it is convenient for user to adjust to the angle that oneself likes comfortable, the stiffness of back muscle and the aching feeling of waist muscle can be relieved by the massager arranged in backrest, and by tying safety belt, user can be protected from the influence of wheelchair bumping, comfortable and safe.

[0004] In order to facilitate the support of the wheelchair user's feet, a pedal will be provided on the electric wheelchair. However, in the existing electric wheelchair, the pedal is usually fixedly installed on the electric wheelchair by screws. When the pedal needs to be replaced, a plurality of screws need to be disassembled using tools, which is troublesome and reduces the replacement efficiency of the pedal, and affects the use effect of the electric wheelchair. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an electric wheelchair with a pedal that is easy to replace, to solve the problem of low replacement efficiency mentioned in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of electric wheelchair of pedal convenient to replace, including electric wheelchair body and installation component;The electric wheelchair body includes seat body and pedal body;Two the pedal body is symmetrically arranged on seat body by installation component;The installation component includes T-shaped link, through-hole slot, thread groove, screw rod and baffle;Two the T-shaped link is symmetrically fixed on seat body support frame;Through-hole slot is opened in the pedal body and is inserted with T-shaped link horizontal rod cooperation, and the pedal body side is contacted with T-shaped link vertical rod;Thread groove is opened in the T-shaped link horizontal rod;Screw rod is screwed in thread groove;The baffle is fixed on screw rod side and is contacted with the other side of pedal body.

[0007] Preferably, the installation component further includes guide groove and guide block;At least one guide groove is opened in the through-hole slot;The guide block is slidably arranged in the guide groove and is fixedly connected with the T-shaped link horizontal rod.

[0008] Preferably, it further includes reinforcing assembly;The reinforcing assembly is arranged in the thread groove.

[0009] Preferably, the reinforcing assembly includes connecting spring plate, reinforcing block and reinforcing groove;A plurality of connecting spring plates are fixedly arranged on the inner wall of the thread groove in annular array;The reinforcing block is fixedly connected with the end of the connecting spring plate;The reinforcing groove is opened in the side of the screw rod away from the baffle.

[0010] Preferably, the connecting spring plate and the reinforcing block are both arc-shaped structures, the reinforcing block is a right-angled ladder-shaped structure in cross section, the size of the side of the reinforcing block close to the connecting spring plate is greater than the size of the side of the reinforcing block away from the connecting spring plate, and the inclined surface of the reinforcing block is outwardly arranged.

[0011] Preferably, the reinforcing groove is a circular truncated cone structure, and the size of the side of the reinforcing groove close to the baffle is smaller than the size of the side of the reinforcing groove away from the baffle.

[0012] Preferably, the inclined surface of the reinforcing groove is in movable contact with the inclined surface of the reinforcing block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a kind of electric wheelchair of pedal convenient to replace, including electric wheelchair body and installation component;The electric wheelchair body includes seat body and pedal body;Two the pedal body is symmetrically arranged on seat body by installation component;The installation component includes T-shaped link, through-hole slot, thread groove, screw rod and baffle;Two the T-shaped link is symmetrically fixed on seat body support frame;Through-hole slot is opened in the pedal body and is inserted with T-shaped link horizontal rod cooperation, and the pedal body side is contacted with T-shaped link vertical rod;Thread groove is opened in the T-shaped link horizontal rod;Screw rod is screwed in thread groove;The baffle is fixed on screw rod side and is contacted with the other side of pedal body.

[0015] 2、The utility model discloses a reinforcing assembly is set up, and the reinforcing groove inclined plane extrusion reinforcing block inclined plane makes the stress of connecting elastic plate change, and makes three connecting elastic plates drive reinforcing block relative inclination, utilizes the relative force of stress deformation of connecting elastic plate, can make reinforcing block extrusion reinforcing groove, makes screw rod and thread groove thread connection more stable, thereby improved the stability of pedal body installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic view of the utility model;

[0017] Figure 2 It is whole structure cross -sectional view of the utility model;

[0018] Figure 3 It is pedal body schematic view of the utility model;

[0019] Figure 4 It is partial structure split cross -sectional view of the utility model;

[0020] Figure 5 It is the utility model's Figure 2 It is the utility model's

[0021] In the drawing:

[0022] 1, electric wheelchair body;2, installation assembly;3, reinforcing assembly;

[0023] 101, seat body;102, pedal body;

[0024] 201, T type connecting rod;202, through -hole groove;203, guide groove;204, guide block;205, thread groove;206, screw rod;207, baffle;

[0025] 301, connecting elastic plate;302, reinforcing block;303, reinforcing groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figures 1 to 5The utility model provides a technical scheme: a kind of electric wheelchair with pedal convenient to replace, including electric wheelchair body 1 and installation component 2;Electric wheelchair body 1 includes seat body 101 and pedal body 102;Two pedal bodies 102 are symmetrically arranged on seat body 101 by installation component 2;Installation component 2 includes T type connecting rod 201, through-hole groove 202, guide groove 203, guide block 204, screw groove 205, screw rod 206 and baffle 207;Two T type connecting rods 201 are symmetrically fixed on the support frame of seat body 101;Pedal body 102 is provided with through-hole groove 202 and is inserted with T type connecting rod 201 horizontal rod, and the side of pedal body 102 is contacted with T type connecting rod 201 vertical rod;Two guide grooves 203 are symmetrically provided in through-hole groove 202;Guide block 204 is slidably arranged in guide groove 203 and is fixedly connected with T type connecting rod 201 horizontal rod;Screw groove 205 is formed in T type connecting rod 201 horizontal rod;Screw rod 206 is screwed in screw groove 205;Baffle 207 is fixedly arranged on one side of screw rod 206 and is contacted with the other side of pedal body 102.

[0028] The utility model discloses a installation component 2 is set up, by manual twist anti -skid button on baffle 207, make baffle 207 drive screw rod 206 rotate in screw groove 205, make screw rod 206 and screw groove 205 screw connection, make screw rod 206 move outward, until screw rod 206 removes in screw groove 205, then, pull pedal body 102, make T type connecting rod 201 horizontal rod slide in through-hole groove 202, make guide block 204 slide in guide groove 203, until T type connecting rod 201 horizontal rod removes in through-hole groove 202, the dismounting of pedal body 102 is completed, relative to prior art, the utility model simple and reasonable in structure, design is ingenious, need not use tool, and the process is simple, and the replacement efficiency is higher.

[0029] As a preferred embodiment, it further includes a reinforcing assembly 3; the reinforcing assembly 3 is arranged in the screw groove 205; the reinforcing assembly 3 includes a connecting spring plate 301, a reinforcing block 302 and a reinforcing groove 303; the three connecting spring plates 301 are fixedly arranged on the inner wall of the screw groove 205 in a ring array; the reinforcing block 302 is fixedly connected with the end of the connecting spring plate 301; the screw rod 206 is provided with the reinforcing groove 303 on the side away from the baffle 207; the connecting spring plate 301 and the reinforcing block 302 are both arc-shaped structures, the reinforcing block 302 has a right-angled ladder-shaped structure in cross section, the size of the side of the reinforcing block 302 close to the connecting spring plate 301 is greater than the size of the side of the reinforcing block 302 away from the connecting spring plate 301, and the inclined surface of the reinforcing block 302 is outwardly arranged; the reinforcing groove 303 has a circular truncated cone structure, and the size of the side of the reinforcing groove 303 close to the baffle 207 is smaller than the size of the side of the reinforcing groove 303 away from the baffle 207; the inclined surface of the reinforcing groove 303 is in movable contact with the inclined surface of the reinforcing block 302; the length of the guide block 204 is adapted to the length of the fixed seat of the pedal body 102.

[0030] The utility model discloses a reinforcing assembly 3 is set up, and the reinforcing groove 303 inclined surface extrudes reinforcing block 302 inclined surface, makes three connecting elastic plates 301 drive reinforcing block 302 relative inclination, utilizes the relative force of connecting elastic plate 301 stress deformation, can make reinforcing block 302 extrude reinforcing groove 303, makes the screw rod 206 and thread groove 205 threaded connection more stable, thereby improved the stability of pedal body 102 installation.

[0031] Working principle: when disassembling, by manually twisting the anti-skid knob on the baffle 207, the baffle 207 drives the screw rod 206 to rotate in the thread groove 205, the screw rod 206 is threaded with the thread groove 205, and the screw rod 206 moves outward, at this time, under the elastic action of the connecting elastic plate 301, three connecting elastic plates 301 drive reinforcing block 302 to incline away, so that the inclined surface of reinforcing block 302 is always in contact with the inclined surface of reinforcing groove 303, until the screw rod 206 moves out of the thread groove 205, at this time, the connecting elastic plate 301 is in a stress-free state, then pull the pedal body 102, make the T-shaped connecting rod 201 horizontal rod slide in the through hole groove 202, make the guide block 204 slide in the guide groove 203, until the T-shaped connecting rod 201 horizontal rod moves out of the through hole groove 202, the disassembly of the pedal body 102 is completed, when installing, insert the T-shaped connecting rod 201 horizontal rod into the through hole groove 202, and make the guide block 204 insert into the guide groove 203, until the pedal body 102 side is in contact with the T-shaped connecting rod 201 vertical rod, at this time, the screw rod 206 is threaded with the thread groove 205, and the screw rod 206 moves inward, until the inclined surface of reinforcing groove 303 is in contact with the inclined surface of reinforcing block 302, at this time, the inclined surface of reinforcing groove 303 extrudes the inclined surface of reinforcing block 302, so that the connecting elastic plate 301 is deformed under stress, and three connecting elastic plates 301 drive reinforcing block 302 to incline relative, until the baffle 207 is in contact with the other side of the pedal body 102, at this time, the installation of the pedal body 102 is completed.

[0032] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrically powered wheelchair with a pedal for easy replacement, characterized in that, The electric wheelchair body (1) and the mounting assembly (2) are included. The electric wheelchair body (1) includes a seat body (101) and a pedal body (102). Two pedal bodies (102) are symmetrically arranged on the seat body (101) through the mounting assembly (2). The mounting assembly (2) includes a T-shaped connecting rod (201), a through-hole groove (202), a threaded groove (205), a screw rod (206) and a baffle (207). Two T-shaped connecting rods (201) are symmetrically arranged on the seat body (101) support frame. The pedal body (102) is provided with a through-hole groove (202) and is inserted and matched with the horizontal rod of the T-shaped connecting rod (201), and one side of the pedal body (102) is in contact with the vertical rod of the T-shaped connecting rod (201). The threaded groove (205) is arranged on the horizontal rod of the T-shaped connecting rod (201). The screw rod (206) is screwed in the threaded groove (205). The baffle (207) is arranged on one side of the screw rod (206) and is in contact with the other side of the pedal body (102).

2. The electrically powered wheelchair with easy changeable footrest according to claim 1, characterized in that, The mounting assembly (2) further includes a guide groove (203) and a guide block (204). At least one guide groove (203) is arranged in the through-hole groove (202). The guide block (204) is slidably arranged in the guide groove (203) and is fixedly connected with the horizontal rod of the T-shaped connecting rod (201).

3. The power wheelchair with easy-to-change footrest according to claim 1, characterized in that, It also includes a reinforcing assembly (3). The reinforcing assembly (3) is arranged in the threaded groove (205).

4. The power wheelchair with easy-to-change footrest according to claim 3, characterized in that, The reinforcing assembly (3) includes a connecting elastic plate (301), a reinforcing block (302) and a reinforcing groove (303). A plurality of connecting elastic plates (301) are arranged in an annular array on the inner wall of the threaded groove (205). The reinforcing block (302) is fixedly connected with the end of the connecting elastic plate (301). The reinforcing groove (303) is arranged on the side of the screw rod (206) away from the baffle (207).

5. The power wheelchair with easy changeable footrest according to claim 4, wherein, The connecting elastic plate (301) and the reinforcing block (302) are both arc-shaped structures. The reinforcing block (302) has a right-angled ladder-shaped cross section. The size of the side of the reinforcing block (302) close to the connecting elastic plate (301) is greater than the size of the side of the reinforcing block (302) away from the connecting elastic plate (301). The inclined surface of the reinforcing block (302) is outwardly arranged.

6. The power wheelchair with easy-to-change footrest according to claim 5, characterized in that, The reinforcing groove (303) is a circular truncated cone structure. The size of the side of the reinforcing groove (303) close to the baffle (207) is smaller than the size of the side of the reinforcing groove (303) away from the baffle (207).

7. The power wheelchair with easy changeable footrest according to claim 6, characterized in that, The inclined surface of the reinforcing groove (303) is in movable contact with the inclined surface of the reinforcing block (302).

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