WO2019033860A1 - Multifunctional electric vehicle capable of climbing stairs - Google Patents

Abstract

The electric vehicle can be climbed, including: a base frame (1); at least four walking components, the walking assembly is rotatably mounted on the base frame (1), and the walking components are located on both sides of the base frame (1), at least two on each side The walking component is used to drive the base frame (1) to move and overcome the obstacle, and the contour of the walking component contacting the ground is non-circular; each walking component comprises a mounting bracket (4) and at least two rollers (5), and the roller (5) It is rotatably mounted on the mounting bracket (4), and the mounting bracket (4) is rotatable relative to the base frame (1).

Description

 Multifunctional electric vehicle capable of climbing stairs

Technical field

The invention relates to the technical field of auxiliary living machinery, in particular to a multifunctional electric vehicle capable of climbing a building.

Background technique

With the aging of the society, the quality of life of the elderly has gradually received the attention of everyone. The elderly have a decline in physical function. The obstacles such as stairs and steps in indoors and outdoors have greatly restricted the travel of the elderly and the disabled. Therefore, it is especially important for the elderly and the disabled to travel. There is a means of transportation that can climb over obstacles or climb stairs. However, the research and manufacture of multi-functional manned electric vehicles for climbing buildings in China is still in its infancy. On the whole, the technology is slightly rough and the structure is relatively simple. There are many deficiencies in the practical and operational aspects of the multi-functional manned electric vehicles that can be climbed. The research is not mature enough, and there are no satisfactory products. Therefore, how to design a multi-functional manned electric vehicle with simple structure, convenient operation, stable movement, safety and reliability is an urgent problem to be solved by those skilled in the art.

Summary of the invention

In order to solve the above problems, the present invention provides a climbable building multifunctional electric vehicle.

The technical solution adopted by the present invention to solve the technical problem thereof is:

A multi-functional electric vehicle that can climb a building, including:

Base frame

At least four walking assemblies, the walking assembly is rotatably mounted on the base frame, the walking assembly is located on both sides of the base frame, at least two on each side, the walking assembly is used to drive the base frame to move and overcome obstacles, and the walking component is in contact with the ground. Contour is not round;

Each of the walking assemblies includes a mounting bracket and at least two rollers, and the rollers are rotatably mounted on the mounting bracket, and the mounting bracket is rotatable relative to the base frame.

The mounting bracket is fixedly coupled to one end of a first rotating shaft, and another segment of the first rotating shaft is rotatably coupled to the base frame, and the first rotating shaft is driven to rotate by a first driving mechanism.

The first rotating shaft is hollow inside, and the second rotating shaft is rotatably disposed in the first rotating shaft. One end of the second rotating shaft is drivingly connected to the roller, and the other end is driven to rotate by a second driving mechanism.

The number of the rollers is set to two, and the rollers are arranged back and forth along the side of the base frame.

The first driving mechanism includes a first motor, a first speed reducer and a first chain, and the first motor is coupled to the first speed reducer, and the first speed reducer drives the first rotating shaft to rotate by the first chain.

The second driving mechanism includes a second motor, a second speed reducer and a second chain, the second motor is coupled to the second speed reducer, and the second speed reducer drives the second rotating shaft to rotate by the second chain.

The base frame is provided with a seat for people to ride; one end of the seat is hinged to the base frame, and the other end is movably connected to the base frame by an electric push cylinder.

The number of the rollers is set to three and is distributed in a shape of a letter.

The invention has the beneficial effects that the invention adopting the above structure can climb and climb the obstacle through the rotation of the walking assembly and the simultaneous rotation of the roller when the obstacle needs to be overcome by the rotatable walking assembly and the rotatable roller in the walking assembly. When there is no need to climb over the obstacle, only the roller rotates to drive the base frame to move. The invention has the advantages of simple structure, stable and reliable work, and can overcome various obstacles to meet the travel of the elderly and the disabled.

DRAWINGS

The present invention is further described below in conjunction with the accompanying drawings and embodiments:

Figure 1 is a schematic view of the present invention;

Figure 2 is a schematic view 2 of the present invention;

Figure 3 is a schematic view of the walking assembly of the present invention;

Figure 4 is a schematic view of the present invention when going down the stairs;

Figure 5 is a second schematic view of the present invention when going down the stairs;

Figure 6 is a third schematic view of the present invention when going down the stairs;

Figure 7 is a fourth schematic view of the present invention as it descends the stairs.

Detailed ways

1 to 7, the present invention is a multi-functional electric vehicle capable of climbing a building, comprising:

The base frame 1 is provided with a seat 2 for people to ride; one end of the seat is hinged to the base frame 1 and the other end is movably connected to the base frame 1 via an electric push cylinder 3, and a level sensor is arranged on the seat 2; The action of the electric push cylinder 3 is controlled by the level sensor to keep the seat 2 in a horizontal state, thereby improving the safety and comfort of the occupant;

At least four walking assemblies, the walking assembly is rotatably mounted on the base frame, the walking assembly is located on both sides of the base frame 1, at least two on each side, the walking assembly is used to drive the base frame 1 to move and overcome obstacles, and the walking component and the ground The contour of the contact is not circular;

Each of the running components includes a mounting bracket 4 and at least two rollers 5, and the roller 5 is rotatably mounted on the mounting bracket 4, and the mounting bracket 4 is rotatable relative to the base frame 1. The present invention adopting the above structure, through the rotatable walking assembly and the rotatable roller 5 in the running assembly, climbs and climbs over the obstacle through the rotation of the walking assembly and the simultaneous rotation of the roller 5 when the obstacle needs to be overcome, without overriding the obstacle In the case of obstacles, only the roller 5 rotates to drive the base frame 1 to move. The invention has simple structure, stable and reliable work, and can overcome various obstacles to meet the travel of the elderly and the disabled.

As shown, the mounting bracket 4 is fixedly coupled to one end of a first rotating shaft 6, the other portion of the first rotating shaft is rotatably coupled to the base frame 1, and the first rotating shaft 6 is driven to rotate by a first driving mechanism; The first rotating shaft 6 is hollow inside, and the second rotating shaft 7 is rotatably disposed in the first rotating shaft 6. One end of the second rotating shaft 7 is drivingly connected with the roller 5, and the other end is driven to rotate by a second driving mechanism; Set to a plate shape. When the obstacle needs to be climbed, the first rotating shaft 6 and the second rotating shaft 7 rotate at the same time, and the mounting frame 4 and the roller 5 are rotated to realize climbing and climbing; when the object is unobstructed, the second rotating shaft 7 works separately to achieve smooth movement.

Of course, the first rotating shaft 6 can also be set to be solid. Therefore, it is necessary to provide a second driving mechanism on the mounting bracket 4 to drive the rotation of the roller 5.

As shown in the figure, the number of the rollers 5 is set to two, the roller 5 is arranged forward and backward along the side of the base frame 1, the second rotating shaft 7 is drivingly connected to the roller 5 through gears, and the gear and the roller 5 are mounted on the mounting bracket 4, The gear transmission part is wrapped by an outer casing, and the outer casing and the plate-shaped mounting frame 4 are cooperatively closed to play the role of dustproof protection; the diameter of the roller 5 is preferably set to be slightly larger than the step height; so as to ensure the climbing of the stairs. Rhythmic stability.

Wherein, the walking component can also adopt other embodiments, for example, the number of the rollers 5 is set to three, which is in a shape-shaped distribution; the walking component of the structure is stable and reliable in moving over the obstacle.

As shown, the first driving mechanism includes a first motor 8, a first speed reducer 10, and a first chain. The first motor 8 is coupled to the first speed reducer 10, and the first speed reducer 10 is driven by the first chain. a rotating shaft 6 rotates; the second driving mechanism includes a second motor 9, a second speed reducer and a second chain, the second motor 9 is connected to the second speed reducer, and the second speed reducer drives the second rotating shaft 7 through the second chain Rotating, the second rotating shaft is connected to the roller through the gear 12, and the first chain and the second chain may be replaced by a linkage shaft and a universal joint 11 or replaced by a gear. The number of the first motors 8 is set to one, the first motor 8 drives the four first rotating shafts 6 to rotate by the transmission mechanism; the number of the second motors 9 is set to two, and one second motor 9 drives the plurality of seconds on one side. The rotating shaft 7 rotates, and the other second motor 9 drives the plurality of second rotating shafts 7 on the other side to rotate; when the two second electric machines 9 rotate in opposite directions, the original steering of the present invention can be driven, and the control is flexible.

Of course, the number of the second motors 9 can also be set to one, as shown in FIG. 2, the second motor 9 drives the rollers 5 located in the two traveling assemblies at the rear end to rotate, or the second motor 9 drives the two at the front end. The roller 5 in the walking assembly rotates.

The above embodiments are merely preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent variations or substitutions may be made by those skilled in the art without departing from the spirit and scope of the invention. .

Claims (8)

 A climbable multi-function electric vehicle characterized by comprising: Base frame At least four walking assemblies, the walking assembly is rotatably mounted on the base frame, the walking assembly is located on both sides of the base frame, at least two on each side, the walking assembly is used to drive the base frame to move and overcome obstacles, and the walking component is in contact with the ground. Contour is not round; Each of the walking assemblies includes a mounting bracket and at least two rollers, and the rollers are rotatably mounted on the mounting bracket, and the mounting bracket is rotatable relative to the base frame. A climbable multifunctional electric vehicle according to claim 1, wherein said mounting bracket is fixedly coupled to one end of a first rotating shaft, and another segment of the first rotating shaft is rotatably coupled to the base frame, and A rotating shaft is driven to rotate by a first driving mechanism. The utility model as claimed in claim 2, wherein the first rotating shaft is hollow inside, the second rotating shaft is rotatably disposed in the first rotating shaft, and one end of the second rotating shaft is drivingly connected to the roller. The other end is driven to rotate by a second drive mechanism. A climbable multifunctional electric vehicle according to claim 2, wherein the number of the rollers is set to two, and the rollers are disposed back and forth along the side of the base frame. A climbable multifunctional electric vehicle according to claim 2, wherein said first driving mechanism comprises a first motor, a first speed reducer and a first chain, and the first motor is connected to the first speed reducer, The first speed reducer drives the first rotating shaft to rotate by the first chain. A climbable multifunctional electric vehicle according to claim 3, wherein said second drive mechanism comprises a second motor, a second reducer and a second chain, and the second motor is coupled to the second reducer. The second speed reducer drives the second rotating shaft to rotate by the second chain. A climbable multifunctional electric vehicle according to claim 1, wherein said base frame is provided with a seat for a person to ride; one end of the seat is hinged to the base frame, and the other end is connected to the base by an electric push cylinder. The base frame is connected. A climbable multifunctional electric vehicle according to claim 1, wherein the number of the rollers is set to three and is distributed in a shape of a figure.