CN209650398U - A foot-controlled electric drive stair climbing device - Google Patents

Abstract

The utility model discloses a kind of foot control electric drive Stair climbing device, including pedal, support underframe and wheel, the pedal is located on the support underframe, includes by the power device of power supply and motor form, pedal angle regulating device and push type direction-control apparatus inside the pedal；The wheel includes revolver and right wheel, the revolver and the right wheel are separately fixed at the support underframe two sides, crawler belt is respectively equipped in the revolver and the right wheel, wherein, the push type direction-control apparatus, for the output power of power device to be adjusted according to the gravity center shift information of collected user, to control the direction of motion of Stair climbing device；For adjusting the pedal so that the pedal and horizontal plane are kept fixed angle, the pedal angle regulating device is connected to motor the pedal angle regulating device.The utility model greatly simplifies fuselage construction, reduces cost, flexibly small and exquisite, and the fixed handrail of cooperation stair, enhance climbing machine uses safety index.

Description

A foot-controlled electric drive stair climbing device

technical field

The utility model relates to a stair-climbing assist device, in particular to a foot-controlled electric drive stair-climbing device.

Background technique

Low-rise residential buildings and old-style residential areas are not equipped with elevators, and currently do not have the conditions to install elevators. In addition, buildings such as overpasses in public places make it very inconvenient to go up and downstairs. However, the stair climbing machines for people on the market are mainly aimed at the disabled, which makes it inconvenient for people with weak physical ability to walk, and is not conducive to developing the youth market.

The utility model is the technical transformation of the existing stair climbing machine. The existing stair-climbing machines in the market mainly have problems: stair-climbing machines are mainly used to transport goods and travel for the disabled; they are generally large in size; travel-type stair-climbing machines are equipped with seats and wheelchairs, which are suitable for fewer people; the structure is complex and inconvenient to maintain ; expensive and unable to popularize the public.

Therefore, in response to the above problems, we need to improve the existing technology: design a stair climber for the public, which is convenient for going up and down the stairs while taking into account the fun; Production cost; crawler wheels are used to facilitate normal and smooth operation in the flat bottom corners of up and down stairs and stairs. The foot-step control method is adopted, and the user holds the stair handrail by hand, and it is controlled by one person, which is simple and easy to learn. The motor and control equipment are installed in the middle of the two crawler transmission wheels, the body is small and agile, and the stair space is saved.

Utility model content

The purpose of the utility model is to provide a foot-controlled electric drive stair climbing device to solve the problem of stable operation and flexible control when the user uses the stair climbing device.

To achieve the above object, the utility model adopts the following technical solutions:

The utility model discloses a foot-controlled electric drive stair climbing device, which comprises a pedal, a supporting chassis and a wheel. The pedal is arranged on the supporting chassis, and the interior includes a power device composed of a power supply and a motor, and a pedal angle adjustment. device and a push-type direction control device; the wheels include a left wheel and a right wheel, the left wheel and the right wheel are respectively fixed on both sides of the support chassis, and the left wheel and the right wheel are respectively provided with crawler tracks,

The push-type direction control device is used to adjust the output power of the power device according to the collected information on the center of gravity of the user, so as to control the movement direction of the stair climbing device; the pedal angle adjustment device is used to adjust the The pedal is used to maintain a fixed angle between the pedal and the horizontal plane, and the pedal angle adjustment device is connected with the motor.

Preferably, the push-type direction control device is arranged in the pedal, and includes a left wheel controller for controlling the left wheel and a right wheel controller for controlling the right wheel.

Preferably, the left wheel controller includes a first pressure sensor and a third pressure sensor, and the right wheel controller includes a second pressure sensor and a fourth pressure sensor,

The first pressure sensor and the third pressure sensor respectively collect the left forefoot pressure and the left rear heel pressure exerted by the user's left foot, and the left wheel controller is used to control the motor to output corresponding driving force to the left wheel according to the collected pressure information. In order to control the rotation speed and rotation direction of the left wheel; the second pressure sensor and the fourth pressure sensor respectively collect the right forefoot pressure and the right rear heel pressure exerted by the user's right foot, and the right wheel controller is used according to the collected pressure information. The control motor outputs the corresponding driving force to the right wheel to control the rotation speed and rotation direction of the right wheel.

Preferably, the left wheel and the right wheel are both gear sets, the gear set includes a driving wheel and a driven wheel, and the driving wheel is connected to a motor.

Preferably, there are two motors, and the two motors drive the driving wheels respectively.

Preferably, the pedal angle adjustment device includes an adjustment switch,

Wherein, the adjustment switch adjusts the angle between the pedal and the supporting chassis when the road conditions change in response to the adjustment by the user, so that the pedal and the horizontal plane maintain a fixed angle.

The beneficial effects of the present utility model are as follows:

At present, the technology of the stair climbing machine in the market has gradually matured, but the style is single and the function is single. Convenience effect. The foot-controlled electric drive stair climbing device adopted by the utility model has simple and practical adjustment of the pedal angle, which can help the stair climbing machine to be suitable for stairs with different inclination angles, and can run stably on up and down stairs and on flat ground, thereby improving user comfort. The utility model greatly simplifies the structure of the fuselage, reduces the cost, and embeds all the devices in the pedals between the two crawler wheels, which is flexible and compact, and at the same time, it can cooperate with the stairs to fix the handrails to enhance the safety index of the stair climber.

Description of drawings

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 shows the application schematic diagram of the present utility model;

Fig. 2 shows the schematic diagram of the present utility model;

Figure 3 shows a side view of the present invention;

FIG. 4 shows a schematic diagram of the gear set of the present invention.

In the figure: 1, pedal; 10, supporting chassis; 2, wheel; 21, track; 22, big wheel; 23, small wheel; 3, wheel set connection mechanism; 4, adjustment switch; 5, first pressure sensor; 6. The second pressure sensor; 7. The third pressure sensor; 8. The fourth pressure sensor; 9. The transmission connection mechanism.

Detailed ways

In order to illustrate the present utility model more clearly, the present utility model will be further described below with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

As shown in FIG. 1 , the utility model discloses a foot-controlled electric drive stair climbing device, which can adapt to stairs of different inclinations, and can run smoothly and comfortably. As shown in FIG. 2, a foot-controlled electric drive stair climbing device includes a pedal 1, a supporting chassis 10 and a wheel 2, the pedal 1 is arranged on the supporting chassis 10, and the pedal interior includes a power supply and a A power device composed of a motor, a pedal angle adjustment device and a push-type direction control device; the wheel 2 includes a left wheel and a right wheel, and the left wheel and the right wheel are respectively fixed on both sides of the support base 10, and the left wheel The crawler 21 is respectively provided on the right wheel and the right wheel, wherein the push-type direction control device is used to adjust the output power of the power device according to the collected information on the change of the user's center of gravity, so as to control the movement direction of the stair climbing device. ; The pedal angle adjustment device is used to adjust the pedal 1 to maintain a fixed angle between the pedal and the horizontal plane, and the pedal angle adjustment device is connected to the motor. Specifically, the support chassis 10 is provided with a concave installation slot for installing the pedal 1 . The pedal 1 is provided with a transmission connection mechanism 9 on both sides, and is connected with the support chassis 10 through the transmission connection mechanism 9 , and the pedal 1 is rotatably arranged on the support chassis through the transmission connection mechanism 9 . in the installation slot. As shown in FIG. 3 , after adjusting the transmission connection mechanism 9 of the pedal 1 , the pedal 1 that can be stepped on by the user and the plane of the supporting chassis 10 form a certain angle. In order to increase the user experience, in the case of a certain slope such as going up and down the stairs, the angle between the pedal 1 and the horizontal plane can be adjusted to remain fixed, that is, by adjusting the pedal 1 and the supporting chassis 10. .

The wheels 2 include left and right wheels. The pedal 1 is used by the user to stand up during use. The pedal 1 is provided with a power device composed of a power source and a motor for driving the wheel 2. Preferably, the motor is a 36V/800W motor, and the power source uses a 36V/12ah battery as an energy storage device . The number of the motors is two, and the two motors drive the driving wheel of the left wheel and the driving wheel of the right wheel respectively.

In this embodiment, the pedal 1 is provided with a push-type direction control device, and the push-type direction control device is used to control the advance, retreat and steering of the foot-controlled electric drive stair climbing device. A certain movable space is left between the motor and the push-type direction controller, and the push-type direction controller and the foot pedal are integrated structures. Preferably, the push-type direction control device adopts a push-type, and the two wheels are independently controlled. When the user stands on the pedal 1, there is a pedal area corresponding to the user on the upper surface of the pedal 1, and a left wheel corresponds to the left foot. Controller, there is a right wheel controller corresponding to the right foot. The left wheel controller controls the forward and backward movement of the left wheel, and the right wheel controller controls the forward and backward movement of the right wheel. The left wheel controller and the right wheel controller respectively control the rotation of the left and right wheels by controlling the corresponding motors to output driving forces of different magnitudes and directions.

Further, the left wheel controller includes a first pressure sensor 5 and a third pressure sensor 7, the right wheel controller includes a second pressure sensor 6 and a fourth pressure sensor 8, wherein the first pressure sensor 5 and the third pressure sensor 8. The three pressure sensors 7 respectively collect the left forefoot pressure and the left rear heel pressure exerted by the user's left foot, and the left wheel controller is used to control the motor to output the corresponding driving force to the left wheel according to the collected pressure information to control the rotation speed and rotation direction of the left wheel. The second pressure sensor 6 and the fourth pressure sensor 8 respectively collect the right forefoot pressure and the right rear heel pressure exerted by the user's right foot, and the right wheel controller is used to control the motor to output the corresponding drive according to the collected pressure information. Apply force to the right wheel to control the speed and direction of rotation of the right wheel. The four pressure sensors correspond to the four independent small pedals of the pedal 1 respectively, and each small pedal does not affect each other when measuring the pressure received, and can be measured in separate blocks. According to the measured four sets of pressure data, the left wheel controller and the right wheel controller cooperate to control the movement direction.

When the user is using the electric-driven stair climbing device, the user adjusts the center of gravity and applies a larger external force to the first pressure sensor 5 and the second pressure sensor 6 with the sole of the foot, the sensor detects that the force increases, according to According to the measured information, the push-type direction control device judges that the center of gravity is forward, and by cooperating to control the rotation of the motor, the motor transmits the force to the driving wheel, so that the electric-driven stair climbing device can move forward; The three pressure sensors 7 and the fourth pressure sensor 8 apply force, and the pressure sensors transmit signals to the third pressure sensor 7 and the fourth pressure sensor 8, so that the push-type direction control device determines the center of gravity Backwards, by cooperating with the control motor to rotate, the motor transmits the force to the driving wheel, so that the electric-driven stair climbing device realizes the backward movement. In the same way, the measured forces of the first pressure sensor 5 and the fourth pressure sensor 8 are increased, and it is judged to turn right, and then cooperate to control the electric drive stair climbing device to turn right; use the second The force measured by the pressure sensor 6 and the pressure sensor of the third pressure sensor 7 increases, and then cooperates to control the electric drive stair climbing device to turn left. It can be understood that each controller is used to control the two motors to output different driving forces, so that the driving wheel of the left wheel and the driving wheel of the right wheel have different speeds. turn.

As shown in FIG. 4 , in this embodiment, the wheels 2 can adapt to various road conditions, such as flat roads and stairs, etc. Preferably, in order to enhance the adaptability of the wheels 2, a foot-controlled electric drive stair climbing device A gear set composed of a plurality of wheels is used for the wheels, and a crawler 21 is added to the gear set at the same time, and each of the gear sets includes two large wheels 22 and several small wheels 23. The large wheels are used for guiding, one of the left and right small wheels is connected to the motor as a driving wheel, the other is used as a road wheel, and there are concave and convex serrations on the surface of the crawler tire to enhance friction.

In this embodiment, in order to keep the pedal 1 level during the process of going up and down the stairs, a pedal angle adjustment device is installed in the pedal 1 of the present invention, and the pedal angle adjustment device includes an adjustment switch 4, Wherein, the adjustment switch 4 adjusts the angle between the pedal 1 and the supporting chassis 10 when the road conditions change in response to the user's adjustment, so that the pedal 1 maintains a fixed angle with the horizontal plane. When the stair climber is going up and down the stairs, the angle between the platform and the stairwell changes greatly. The gear set needs to be parallel to the inclined surface of the stairs, so that the wheel set connecting mechanism 3 and the supporting chassis 10 are parallel to the slope surface. At this time, in order to make the pedal 1 It can still be level with the ground, and the adjustment switch 4 of the pedal angle adjustment device can be turned on, and the power of the motor can be used to realize the adjustment between the pedal and the supporting chassis, and the pedal 1 can be adjusted to select the best angle. It can be understood that, a transmission connection mechanism 9 is provided at the connection between the pedal 1 and the support chassis 10, and the transmission connection mechanism 9 can define the angle between the pedal 1 and the support chassis. The adjustment switch 4 controls the two sides connected by the transmission connection mechanism to achieve relative rotation and fixation, so as to realize the adjustment of the angle between the pedal 1 and the left wheel, so that people can ascend or descend on stairs with different inclinations. All of them can stand horizontally, and can use the foot-controlled electric drive stair-climbing device to run smoothly and comfortably.

Further, the motor and power supply can also be separated from the pedal 1 and disposed on the supporting chassis, and corresponding connecting components, such as hydraulic rods, etc., are arranged between the pedal and the supporting chassis, and the connecting components can be opposite to the pedal. When the angle of the supporting chassis needs to be adjusted, telescopic adjustment is performed to meet the corresponding requirements.

How to use the utility model:

When the battery is fully charged, turn on the motor switch, the user stands above the foot-controlled electric drive stair climbing device, corresponding to the push-type direction controller (foot-stepping position), and walks on the stair handrail.

The user exerts force on the forefoot of both feet at the same time, and the foot-controlled electric drive stair-climbing device stably ascends.

The foot-controlled electric-driven stair climbing device travels to the turn of the stairs, the pedal angle adjustment device of the pedal returns to the initial state, and the user switches the left and right foot force positions as required to realize the left and right rotation of the foot-controlled electric driven stair-climbing device.

When the trip is over, the user can lay his feet flat to relax, the foot-controlled electric drive stair climbing device stops running, the user gets off the fuselage and turns off the motor switch.

Obviously, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation of the present utility model. For those of ordinary skill in the art, on the basis of the above descriptions Changes or changes in other different forms can also be made. It is impossible to enumerate all the embodiments here. Any obvious changes or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention. .

Claims (6)

1. a kind of foot control electric drive Stair climbing device, which is characterized in that including pedal (1), support underframe (10) and wheel (2), institute It states pedal (1) to be located on the support underframe (10), includes by the power device of power supply and motor form inside the pedal, steps on Plate angle adjustment device and push type direction-control apparatus；The wheel (2) includes revolver and right wheel, the revolver and the right side Wheel is separately fixed at the support underframe (10) two sides, is respectively equipped with crawler belt (21) on the revolver and the right wheel,

Wherein, the push type direction-control apparatus, for being filled according to the gravity center shift information of collected user to power The output power set is adjusted, to control the direction of motion of Stair climbing device；The pedal angle regulating device is for adjusting So that the pedal and horizontal plane are kept fixed angle, the pedal angle regulating device is connected to motor the pedal (1).

2. a kind of foot control electric drive Stair climbing device according to claim 1, which is characterized in that the push type direction controlling Device setting is in the pedal (1), including controlling the revolver controller of revolver and the right wheel controller of control right wheel.

3. a kind of foot control electric drive Stair climbing device according to claim 2, which is characterized in that the revolver controller includes First pressure sensor (5) and third pressure sensor (7), the right wheel controller include second pressure sensor (6) and Four pressure sensors (8),

Wherein the first pressure sensor (5) and third pressure sensor (7) acquire the left front of user's left foot application respectively Sole pressure and left back heel-pressure, the revolver controller are used to control motor output phase according to collected pressure information and answer Driving force the revolving speed and rotation direction of revolver are controlled to revolver；The second pressure sensor (6) and the 4th pressure sensing Device (8) acquires the right forefoot pressure and right rear foot heel pressure of user's right crus of diaphragm application respectively, and the right wheel controller is used for root Corresponding driving force exported to right wheel according to collected pressure information control motor control the revolving speed and rotation direction of right wheel.

4. a kind of foot control electric drive Stair climbing device according to claim 1, which is characterized in that the revolver and the right wheel It is gear set, the gear set includes driving wheel and driven wheel, and the driving wheel is connected to motor.

5. a kind of foot control electric drive Stair climbing device according to claim 4, which is characterized in that the motor be two, two A motor respectively drives the driving wheel.

6. a kind of foot control electric drive Stair climbing device according to claim 1, which is characterized in that the pedal angle adjusts dress It sets and switchs (4) including adjustment,

Wherein, the adjustment switch adjusts the pedal and the support underframe when road conditions change in response to the adjusting of user (10) angle between, so that the pedal (1) and horizontal plane are kept fixed angle.