Multifunctional combined electric wheelchair

Abstract

The utility model relates to the technical field of electric wheelchairs, in particular to a multifunctional combined electric wheelchair which comprises a rear pushing handle, a rear backrest, armrest frames, a cushion, front small wheels, inflatable rear wheels and a pedal plate, a wheelchair base is arranged at the bottoms of the two armrest frames, lifting frames are arranged on the top of the wheelchair base in a bilateral symmetry mode, and the lifting frames are arranged on the wheelchair base. Sliding grooves are formed in the tops of the left side and the right side of the wheelchair base and the interior of the lifting frame, cross connecting rods are connected between the tops of the left side and the right side of the wheelchair base and the lifting frame, the two ends of the bottoms of the two cross connecting rods are connected with shaft rods, and an electric push rod is connected between the two shaft rods. A group of storage baskets which can be controlled to stretch, retract and hide are additionally arranged on the electric wheelchair, purchased or carried articles can be conveniently stored, the articles do not need to be placed on legs or hung on the outer side of the wheelchair through hooks, the electric wheelchair is more convenient and practical, and the functionality of the electric wheelchair is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wheelchairs, in particular to a multifunctional combined electric wheelchair. Background Art

[0002] For people with inconvenient legs and feet, electric wheelchairs are undoubtedly very good mobility tools. However, the existing electric wheelchairs cannot be adjusted in height according to the user, and there is no storage place when going out to purchase or carry items. They can only be placed on the legs or hung on the outside of the vehicle with hooks, which is extremely inconvenient, with relatively single functions and poor practicability.

[0003] Therefore, it is particularly important to design a multifunctional combined electric wheelchair to change the above technical defects and improve the overall practicability. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a multifunctional combined electric wheelchair to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multifunctional combined electric wheelchair includes a rear pusher, a rear backrest, armrest frames, a seat cushion, front small wheels, inflatable rear wheels and footrests. The bottoms of two groups of the armrest frames are provided with a wheelchair base. The top of the wheelchair base is symmetrically provided with lifting frames on the left and right. Chutes are opened at the top of the left and right sides of the wheelchair base and inside the lifting frames. Cross connecting rods are connected between the top of the left and right sides of the wheelchair base and the lifting frames. Both ends of the bottoms of two groups of the cross connecting rods are connected with shaft rods. An electric push rod is connected between the two shaft rods. Gear seats are arranged at the corners of the bottoms of the rear ends of the left and right sides of the wheelchair base. A forward and reverse motor is installed on the top of the gear seat. The output end of the forward and reverse motor penetrates inside the gear seat and is connected with a gear. A storage basket is arranged inside the wheelchair base. Slide rails are arranged on the left and right sides of the bottom of the storage basket. The outside of the slide rails is slidably connected with sliding sleeves. Rack teeth meshing with the gear are arranged on the left and right sides of the bottom of the storage basket. Support plates are fixed at the left and right ends of the rear side of the storage basket. The bottom of the end of the support plate extending out of the rear side of the wheelchair base is connected with auxiliary small wheels.

[0007] As a preferred scheme of the utility model, a braking system is installed at the bottom of the seat cushion. A controller is installed on the top of one of the armrest frames. The controller is respectively connected with the electric push rod and the forward and reverse motor through wires, and the connection mode is electrical connection.

[0008] As a preferred solution of the present utility model, the wheelchair base is designed with a concave structure opening upwards. Two groups of the front small wheels are respectively fixedly installed at the left and right ends of the front side of the bottom of the wheelchair base through bolts, and two groups of the pneumatic rear wheels are respectively fixedly installed at the rear ends of the left and right sides of the wheelchair base through bolts.

[0009] As a preferred solution of the present utility model, the upper and lower ends of the front side of the cross-link are respectively rotatably connected to the wheelchair base and the lifting frame, and the upper and lower ends of the rear side of the cross-link are respectively slidably connected to the sliding grooves.

[0010] As a preferred solution of the present utility model, the connection mode between the shaft rod and the sliding groove is a sliding connection.

[0011] As a preferred solution of the present utility model, the sliding sleeve is fixedly connected to the bottom of the storage basket through bolts, and the sliding rail is fixedly connected to the bottom side wall inside the wheelchair base through bolts.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, by providing a multifunctional combined electric wheelchair, the height of the electric wheelchair can be adjusted according to the leg length and height of the user, improving the comfort of the user and also improving the applicability of the electric wheelchair.

[0014] In the present utility model, by providing a multifunctional combined electric wheelchair, a set of storage baskets that can be controlled to be telescopic and hidden are added to the electric wheelchair, facilitating the storage of purchased or carried items. There is no need to place them on the legs or hang them outside the vehicle using hooks, which is more convenient and practical, and improves the functionality of the electric wheelchair. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of a partial structure of the present utility model;

[0017] Figure 3 is a schematic diagram of the structure of the storage basket of the present utility model.

[0018] In the figure: 1, rear push handle; 2, rear backrest; 3, armrest frame; 4, seat cushion; 5, front small wheel; 6, pneumatic rear wheel; 7, footrest; 8, wheelchair base; 801, lifting frame; 802, sliding groove; 803, cross-link; 804, shaft rod; 805, electric push rod; 806, gear seat; 807, positive and negative motor; 808, gear; 9, storage basket; 901, sliding rail; 902, sliding sleeve; 903, rack; 904, support plate; 905, auxiliary small wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will combine with the embodiments of the present utility model to clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as "fixedly provided on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used herein in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] For the embodiments, please refer to Figures 1-3 , the present utility model provides a technical solution:

[0024] A multifunctional combined electric wheelchair, comprising a rear push handle 1, a backrest 2, an armrest frame 3, a seat cushion 4, front small wheels 5, pneumatic rear wheels 6 and a footrest 7. The bottoms of two groups of armrest frames 3 are provided with a wheelchair base 8, and a storage basket 9 is arranged inside the wheelchair base 8;

[0025] Wherein the wheelchair base 8 is designed as a concave structure with an upward opening. Two groups of front small wheels 5 are respectively fixedly installed at the left and right ends of the front side of the bottom of the wheelchair base 8 by bolts, and two groups of pneumatic rear wheels 6 are respectively fixedly installed at the rear ends of the left and right sides of the wheelchair base 8 by bolts.

[0026] In this embodiment, please refer to Figure 2, on the top of the wheelchair base 8, lifting frames 801 are symmetrically arranged on the left and right. Sliding grooves 802 are opened at the top of the left and right sides of the wheelchair base 8 and inside the lifting frames 801. Cross-link rods 803 are connected between the top of the left and right sides of the wheelchair base 8 and the lifting frames 801. At both ends of the bottoms of the two groups of cross-link rods 803, shaft rods 804 are connected. An electric push rod 805 is connected between the two groups of shaft rods 804. At the corners of the bottoms of the rear ends of the left and right sides of the wheelchair base 8, gear seats 806 are arranged. A forward and reverse motor 807 is installed on the top of the gear seat 806. The output end of the forward and reverse motor 807 penetrates through the inside of the gear seat 806 and is connected with a gear 808;

[0027] Among them, a braking system is installed at the bottom of the seat cushion 4. A controller is installed on the top of one side of the armrest frame 3. The controller is electrically connected to the electric push rod 805 and the forward and reverse motor 807 through wires. The upper and lower ends of the front side of the cross-link rod 803 are respectively rotatably connected to the wheelchair base 8 and the lifting frame 801. The upper and lower ends of the rear side of the cross-link rod 803 are respectively slidably connected to the sliding grooves 802. The connection mode between the shaft rod 804 and the sliding groove 802 is a sliding connection.

[0028] In this embodiment, please refer to Figure 3 , on the left and right sides of the bottom of the storage basket 9, slide rails 901 are arranged. Sliding sleeves 902 are slidably connected to the outside of the slide rails 901. Rack bars 903 meshing with the gear 808 are arranged at the bottoms of the left and right sides of the storage basket 9. Support plates 904 are fixed at the left and right ends of the rear side of the storage basket 9. At the bottom of the extended end of one side of the support plate 904 outside the rear side of the wheelchair base 8, auxiliary small wheels 905 are connected to help the movement of the storage basket 9;

[0029] Among them, the sliding sleeve 902 is fixedly connected to the bottom of the storage basket 9 by bolts, and the slide rail 901 is fixedly connected to the bottom side wall inside the wheelchair base 8 by bolts.

[0030] The working process of the present utility model: When using this electric wheelchair, by starting the electric push rod 805 to drive the sliding of one group of shaft rods 804, the cross-link rod 803 is activated to adjust the distance between the wheelchair base 8 and the lifting frame 801, so as to adjust the height of the electric wheelchair according to the leg length and height of the user, improve the comfort of the user, and also improve the applicability of the electric wheelchair; When carrying items, start the forward and reverse motor 807 to drive the rotation of the gear 808, which meshes with the rack bar 903. Under the sliding cooperation of the slide rail 901 and the sliding sleeve 902, the storage basket 9 originally hidden inside the wheelchair base 8 is extended, which is convenient for storing purchased or carried items, without having to place them on the legs or use hooks to hang them outside the vehicle, making it more convenient and practical, and improving the functionality of the electric wheelchair.

[0031] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional combined electric wheelchair, comprising a rear push handle (1), a backrest (2), an armrest frame (3), a seat cushion (4), a front small wheel (5), an inflated rear wheel (6) and a footrest (7), characterized in that: At the bottom of the two groups of the armrest frames (3), there is a wheelchair base (8). At the top of the wheelchair base (8), lifting frames (801) are symmetrically arranged on the left and right. At the top of the left and right sides of the wheelchair base (8) and inside the lifting frames (801), chutes (802) are provided. Between the top of the left and right sides of the wheelchair base (8) and the lifting frames (801), there are cross connecting rods (803). At both ends of the bottom of the two groups of cross connecting rods (803), shaft rods (804) are connected. Between the two groups of shaft rods (804), an electric push rod (805) is connected. At the corners of the bottom of the rear ends of the left and right sides of the wheelchair base (8), gear seats (806) are provided. At the top of the gear seats (806), a forward and reverse motor (807) is installed. The output end of the forward and reverse motor (807) penetrates inside the gear seats (806) and is connected with a gear (808). Inside the wheelchair base (8), a storage basket (9) is provided. At the left and right sides of the bottom of the storage basket (9), slide rails (901) are provided. The outer sides of the slide rails (901) are slidably connected with sliding sleeves (902). At the left and right sides of the bottom of the storage basket (9), racks (903) meshing with the gears (808) are provided. At the left and right ends of the rear side of the storage basket (9), support plates (904) are fixed. At the bottom of the end of the support plates (904) extending out of the rear side of the wheelchair base (8), auxiliary small wheels (905) are connected.

2. The multifunctional combined electric wheelchair according to claim 1, characterized in that: At the bottom of the seat cushion (4), a braking system is installed. At the top of one of the armrest frames (3), a controller is installed. The controller is electrically connected to the electric push rod (805) and the forward and reverse motor (807) through wires.

3. A multifunctional combined electric wheelchair according to claim 1, characterized in that: The wheelchair base (8) is designed as a concave structure with an upward opening. The two groups of front small wheels (5) are respectively fixedly installed at the left and right ends of the front side of the bottom of the wheelchair base (8) through bolts. The two groups of inflated rear wheels (6) are respectively fixedly installed at the rear ends of the left and right sides of the wheelchair base (8) through bolts.

4. A multifunctional combined electric wheelchair according to claim 1, characterized in that: The upper and lower ends of the front side of the cross connecting rod (803) are respectively rotatably connected to the wheelchair base (8) and the lifting frame (801). The upper and lower ends of the rear side of the cross connecting rod (803) are respectively slidably connected to the chutes (802).

5. A multifunctional combined electric wheelchair according to claim 1, characterized in that: The connection mode of the shaft rod (804) and the chute (802) is a sliding connection.

6. The multifunctional combined electric wheelchair according to claim 1, characterized in that: The sliding sleeve (902) is fixedly connected to the bottom of the storage basket (9) through bolts. The slide rail (901) is fixedly connected to the bottom side wall inside the wheelchair base (8) through bolts.

Images