KR200378545Y1 - wheel-chair lift of having electronic safety handle for manual control emergency - Google Patents

Abstract

Drive the locking device of the safety guard installed to prevent the departure of the user or the wheelchair on the platform by the drive motor, but by manual operation in case of power failure or emergency due to the failure of the driving motor, rotate the safety guard to the initial position In order to safely escape from

Wheelchair lift with an electric safety guard capable of emergency manual operation according to the present invention, the body lifting along the guide rail installed on one side of the stairs when driving the driving motor for driving, and foldable on the body and the inclination plate can be rotated at the entrance and exit In the wheelchair lift having a platform to be installed, and a control means for controlling the folding of the platform and the slope plate and the lifting of the body,

Safety guards mounted on the left and right sides of the body so as to be rotatable and rotated when the first driving motors are installed on the left and right sides of the body to prevent user departure from the platform,

A locker installed on the lower side of the mounting part of the safety guard so as to be movable in the left and right directions and locking the stopper formed integrally with the safety guard to prevent the safety guard from rotating;

One end is fixed to the rocker and the other end is fixed to the movable piece axially coupled to the ball screw connected to the second drive motor for rotating the inclined plate, and the left or right stopper locking according to the driving of the second drive motor A wire member is provided.

Description

Wheel-chair lift of having electronic safety handle for manual control emergency}

The present invention provides an emergency manual operation that enables the user to safely escape from the platform by manually operating the locking device of the safety guard installed to prevent the departure of the user or the wheelchair on the platform in case of a power failure or an emergency caused by a failure of the driving motor. A wheelchair lift with electric safety guards available.

More specifically, the lock of the safety guard installed to protect the occupant is driven by the drive motor, but in the event of an emergency, the lock can be manually driven to rotate the safety guard to its initial position and then safely get off the platform. A wheelchair lift having an electric safety guard capable of manual operation in an emergency.

In general, an uncomfortable patient or a handicapped person rides directly on a platform of a wheelchair lift installed to travel along a guide rail fixed to a wall of a subway stairway where an elevator is not installed, or on a platform in a wheelchair. You can board the stairs to climb or descend.

As shown in FIGS. 1 and 2, a wheelchair lift according to the prior art includes a wire inserted into a guide rail 2 installed at a wall side when a driving motor (not shown) built in a control box 1 is driven. Folded to the body 3 by the body 3 traveling up and down along the pair of guide rails 2, and by a driving means (not shown) according to the operation of the switch parts 4 and 5. A platform 8 and a drive motor to which the inclined plates 7 and 7a are foldably fixed to the entrance and exit so that the vehicle 6, such as a wheelchair (or scooter), can be boarded. (Not shown) is formed to be foldable due to driving (illustrated in phantom in FIG. 2) and has a safety guard 9 which prevents the occupant from escaping from the platform 8 when driving the platform 8.

In the figure, reference numeral 10 denotes a button operated by a user who rides on the platform 8 to elevate and drive the platform 8.

Conventional wheelchair lift is a platform according to the operation of the corresponding button of the switch unit 5 when the user who boards the vehicle 6 descends from the upper floor of the building to the ground using the wheelchair lift (or from the bottom up). After (8) is moved upward along the pair of guide rails (2), the exit side inclined plate (7a) of the platform (8) is spread out on the ground, the user boarding the vehicle (6) is a joystick (or The steering wheel can be used) to pass through the inclined plate 7a by the vehicle 6 traveling at a predetermined speed, so that it can board the platform 8.

At this time, since the above-described safety guard 9 is driven and folded by a driving motor not shown, the safety guard 9 when an emergency occurs in which a power failure occurs during the lifting of the platform 8 or a failure occurs in the driving motor. ) Cannot be rotated.

As a result, when a patient or a physically handicapped person is impaired in the platform 8 for a long time, their health is impaired, and the safety guard 9 is incompletely removed from the platform 8 without rotating the safety guard 9 to its initial position. If it comes out, the user has a problem that falls from the platform (8) to suffer a major injury or lose valuable lives.

The object of the present invention is to drive the lock of the safety guard installed to protect the person on the platform by the drive motor, but can be safely escaped from the platform after rotating the safety guard to the initial position by manually operating in emergency. To provide a wheelchair lift with an electric safety guard for manual operation in an emergency.

Another object of the present invention is an electric safety that can be operated manually in an emergency to provide convenience and reliability to the user by releasing the locking by manually operating the safety guard by the user due to a power failure or a drive motor failure. It is to provide a wheelchair lift with a guard.

The object of the present invention described above is a body lifting along a guide rail installed on one side of a staircase when driving a driving motor for driving, a platform that is foldably mounted to the body, and an inclined plate is rotatably installed at an entrance and exit, and a platform and an inclined plate. In a wheelchair lift having a control means for controlling the folding and lifting of the body,

Safety guards mounted on the left and right sides of the body so as to be rotatable and rotated when the first driving motors are installed on the left and right sides of the body to prevent user departure from the platform,

A locker installed on the lower side of the mounting part of the safety guard so as to be movable in the left and right directions, and locking the stopper formed integrally with the safety guard to prevent the safety guard from rotating;

One end is fixed to the rocker and the other end is fixed to the movable piece axially coupled to the ball screw connected to the second drive motor for rotating the inclined plate, and the left or right stopper locking according to the driving of the second drive motor It is achieved by providing a wheelchair lift having an electric safety guard capable of manual operation in an emergency, characterized in that it comprises a wire member.

According to a preferred embodiment, the rocker described above is

A casing which accommodates the rocker in a lateral direction, an elastic member that elastically biases the stopper locked by pressing the rocker as an initial state, and a direction to move the coupling hole formed in the casing to prevent the rocker from rotating in the casing; It is provided with a retaining pin.

In addition, one end is fixed to the above-described safety guard, the other end is fixed to the body, and provided with a shock absorber for supporting the safety guard.

In addition, the drive cam extending on the first drive motor shaft described above, and the first drive motor is stopped when the motor is rotated at an angle set to the initial state or the first protection motor drive when the safety guard is folded against the drive cam is folded. It has a limit switch.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to be described in detail so that those skilled in the art to which the present invention pertains can easily implement the present invention. It does not mean that the technical spirit and scope of the present invention is limited.

3 to 6, the wheelchair lift having an electric safety guard capable of emergency manual operation according to the present invention, a pair of guide rails (2) installed on one side of the stairs when driving a driving motor (not shown) (2) A platform on which the body 3 is lifted along the body 3 and the seat plate foldably mounted to the body 3, and the inclined plates 7 and 7a are rotatably installed at the entrance and exit so that a vehicle such as a wheelchair (not shown) can board. (8) and a wheelchair lift having control means (not shown) for controlling the folding of the platform 8 and the inclined plates 7, 7a and the lifting of the body 3,

The body 3 is rotatably mounted on the left and right sides, and is rotated when the first driving motors 11 and 12 (“geared motor” are used) installed on the left and right sides of the body 3 are rotated to the user from the platform 8. A pair of safety guards (9, 9a) to prevent separation, and the left and right sides of the safety guards (9, 9a) are installed to be movable in the left and right directions, and the left and right sides integrally formed on the outer surface of the safety guard (9, 9a) The stoppers 13 and 14 are respectively provided with lockers 15 and 16 whose ends protrude outward of the body 3 to prevent rotation of the safety guards 9 and 9a, respectively.

In addition, the movable piece (1) is fixed to the above-described rocker (15, 16) and movably coupled to the ball screw (18) connected to the second drive motor (17) for rotating the inclined plates (7, 7a) ( 19, the other end is fixed, and the wire member 20, 20a for releasing the locking of the left or right stopper 13, 14 in accordance with the operation of the second drive motor 17 to rotate the safety guards (9, 9a). It is provided.

At this time, the above-described rocker (15, 16),

Casing 21 for accommodating the rockers 15, 16 so as to be movable in the left and right directions, and elastic member 22 for biasing the lockers 15, 16 by locking the stoppers 13, 14 as an initial state. (Compression coil spring is used), and the direction holding pin 24 to move along the coupling hole 23 formed in the casing 21 and to prevent the rocker (15, 16) from rotating in the casing 21 Is done.

In addition, one end is fixed to the above-described safety guards (9, 9a) and the other end is fixed to the body (3), and provided with shock absorbers (25, 26) (shock absorbers) for supporting it when the safety guards (9, 9a) are rotated do.

In addition, the drive cams 27 and 28 extending on the shafts of the first drive motors 11 and 12 described above, and the initial state in which the safety guards 9 and 9a are installed to be opposed to the drive cams 27 and 28, respectively. Or limit switches 29 and 30 for stopping driving of the first driving motors 11 and 12 when the first driving motors 11 and 12 are rotated at a predetermined angle due to the driving of the first driving motors 11 and 12.

In the drawings, reference numeral 9c is a locking jaw formed on the outer surfaces of the safety guards 9 and 9a and restricts the rotation of the left and right stoppers 13 and 14, and 31 is one end rotatably connected to the moving piece 19. The other end is pivotally connected to the other end of the body (3), 32, 33 is a link interlocked by the lever 31 that is rotated when the second drive motor 17 is driven, 34, 35 is the inclined plate (7,7a) One end is rotatably connected to the other end, and the other end is fixed to the links 32 and 33, and the rod for rotating the inclined plates 7 and 7a when the second driving motor 17 is driven, and 40 is at the inlet side of the platform 8. Foldably installed so as to be stored in the formed storage unit (not shown), the vehicle falls from the platform 8 by the acceleration force when the user rides the vehicle, such as a scooter on the platform 8 by electric drive It is an electric fall prevention safety bar that prevents it from falling off.

On the other hand, the drive means for lifting the above-described platform 8 along the guide rail 2, the drive means for folding the platform 8 to the body 3 mounted on the guide rail 2, and the inclined plate 7, The detailed description of the configuration of the drive means for folding 7a) on the platform 8 is omitted since it is a technical content used in the art.

Hereinafter, with reference to the accompanying drawings an example of the use of a wheelchair lift having an electric safety guard capable of manual operation in an emergency according to the present invention will be described in detail.

The wheelchair 6, which is incapable of walking or a handicapped person, is boarded on the platform 8, and the platform 8 is lifted by driving a driving motor (not shown) by a control means to climb from the basement to the ground. Or can go underground. At this time, the safety guards 9 and 9a are rotated and locked at a set angle due to the driving of the first driving motors 11 and 12 when the platform 8 on which the occupants are lifted is prevented from being separated from the platform 8. I can protect it.

If this is described in detail (to explain the case of moving to the top of the building from below), as shown in Figure 6, by driving the above-mentioned second drive motor 17 due to the operation of the corresponding button by the user ball screw 18 6, the lever 31 is rotated counterclockwise around the hinge portion of the lower end as the center axis in the drawing of FIG. Since the rod 32 is rotated to press the rod 34, the inlet side inclined plate 7 installed at the inlet of the platform 8 is pressed down to the ground.

At the same time, by pulling the rocker 16 to the left in the drawing, by pulling the wire member 20a on the right side of which the one end is fixed to the above-mentioned moving piece 19, the safety installed on the platform 8 exit side. Release the stopper 14 of the guard 9a. Therefore, due to the driving of the first driving motor 12 described above, the exit side safety guard 9a may be rotated at a predetermined angle and lowered.

At this time, by detecting that the safety guard (9a) is lowered by the limit switch 30 in contact with the drive cam 28 formed on the axis of the first drive motor 12 to stop the drive of the first drive motor 12. .

After the user or the wheelchair 6 in which the user has boarded passes the entrance slope plate 7 to the platform 8, the entrance safety guard 9 is set by the driving of the first driving motor 11. It can be lowered by rotating. At this time, the rocker 15 is naturally slid when the safety guard 9 is rotated by the shape of the inclined surface 15a formed at the end thereof and is moved into the body 3.

At this time, the driving of the first drive motor 11 is stopped by detecting that the safety guard 9 is lowered by the limit switch 29 contacting the drive cam 27 extending on the axis of the first drive motor 11. .

Due to this, the entrance and exit side safety guards 9 and 9a are rotated at a set angle when the platform 8 is lifted, and then the stoppers 13 and 14 of the safety guards 9 and 9a are moved by the left and right rockers 15 and 16. By locking and preventing the safety guards 9, 9a from being rotated, it is possible to prevent user departure from the platform 8.

On the other hand, when the user drives the above-described second drive motor 17 to move from the platform 8 to the right side in the drawing, in order to get off from the platform 8, the lever 31 hinges its lower end. Since it rotates clockwise as a dot, it pushes the link 33, pushes the rod 35, and lowers the exit side inclination plate 7a to the ground side.

At the same time, when the second drive motor 17 is driven, the rocker 15 is pulled to the right in the drawing direction by pulling the wire member 20 on the left side of which the one end is fixed to the moving piece 19. 8) Release the stopper 13 locking of the safety guard 9 installed on the inlet side. Therefore, the inlet side safety guard 9 is rotated by the first driving motor 11 and lifted to the initial position.

At this time, the driving of the first driving motor 11 is stopped by sensing that the safety guard 9 is lifted by the limit switch 29 contacting the driving cam 27 extending on the axis of the first driving motor 11. .

When the moving piece 19 is moved in the left direction on the drawing by the driving of the second driving motor 17 described above, the lever 31 is rotated counterclockwise to pull the wire member 20a on the right to lock the locker ( As the figure 16 is pulled to the left, the locking of the stopper 14 of the safety guard 9a provided on the exit side of the platform 8 is released. Accordingly, the exit safety guard 9a is rotated by the first driving motor 12 to be lifted to the initial position.

Therefore, the wheelchair 6 can get off through the exit side inclined plate 7a to the building platform. At this time, the second drive motor 17 is driven by the operation of the switch (not shown) to lift the exit inclined plate 7a to the initial position.

On the other hand, when an emergency occurs due to a power failure when the above-mentioned platform 8 is lifted or a failure occurs in the above-described second drive motor 17, the entrance and exit side safety guards 9 and 9a are restrained. By manually operating the rockers 15 and 16, the safety guards 9 and 9a can be manually rotated so that the user can safely exit from the platform 8.

In detail, as shown in FIG. 5, when the end of the left or right rockers 15 and 16 exposed to the outside of the body 3 is pushed by the user and pushed into the body 3 ( At this time, the elastic member 22 is compressed), the locking of the left or right stopper (13, 14) is released so that the user can lift the safety guards (9, 9a) to the initial position.

At this time, the first driving motor (11, 12) is operated when the power is applied, and also the number of teeth of the built-in gear is arranged in an optimal condition so that it can be manually operated even if a small force is applied by the user, of course. .

As described above, the wheelchair lift having an electric safety guard capable of manual operation in an emergency according to the present invention has the following advantages.

The locking device installed to protect the user on the platform is driven by the drive motor, but in the event of an emergency due to a power failure, it can be manually driven to rotate the safety guard back to its initial position and then safely exit from the platform. have.

In addition, in case of an emergency due to power failure or drive motor failure, the safety guard is manually operated by the user to release the locking, thereby providing convenience and reliability to the user by preventing the user's health from being dissipated immediately from the platform. .

1 is a state of use of the wheelchair lift according to the prior art,

Figure 2 is a schematic main excerpt of the wheelchair lift according to the prior art,

3 is an overall configuration diagram of a wheelchair lift having an electric safety guard capable of manual operation in an emergency according to the present invention,

Figure 4 is an excerpt of the main portion of the state in which the safety guard shown in FIG.

Figure 5 is an excerpt of the main part in the unlocked state of the safety guard shown in Figure 3,

Figure 6 is a state of use of the wheelchair lift having an electric safety guard capable of manual operation in an emergency according to the present invention.

* Explanation of symbols used in the main part of the drawing

2; Guide rail

8; platform

12; 1st drive motor

14; stopper

16; Locker

18; Ball screw

20; Wire member

22; Elastic member

24; Direction retaining pin

25; Shock absorber

28; Driving cam

30; Limit switch

Claims (4)

When driving the driving motor for driving, the platform is lifted along the guide rail installed on one side of the stairs, the platform which is foldably mounted on the body, and the inclined plate is rotatably installed at the entrance and exit, and the folding of the platform and the inclined plate and the lifting of the body. In a wheelchair lift with control means: A safety guard mounted on the left and right sides of the body so as to be rotatable and rotated when the first driving motor installed on the left and right sides of the body is driven to prevent the user from escaping from the platform; A locker installed at a lower side of the mounting portion of the safety guard so as to be movable in the left and right directions, and locking the stopper formed integrally with the safety guard to prevent the safety guard from rotating; And One end is fixed to the rocker and the other end is fixed to the moving piece movably coupled to the ball screw connected to the second drive motor for rotating the inclined plate, the left or right stopper locking according to the drive of the second drive motor Wheelchair lift having an electric safety guard capable of manual operation in an emergency, characterized in that it comprises a wire member for releasing. The system of claim 1, wherein the rocker comprises: A casing for receiving the rocker movably in the left and right directions, an elastic member which elastically biases the stopper locked by pressing the rocker as an initial state, and a coupling hole formed in the casing, and prevents the rocker from rotating in the casing; Wheelchair lift with an electric safety guard capable of manual operation in an emergency, characterized in that it comprises a direction holding pin to. The wheelchair lift of claim 1, wherein one end is fixed to the safety guard, the other end is fixed to the body, and a shock absorber supporting the safety guard is provided. The method of claim 1 or claim 3, wherein the drive cam extending on the shaft of the first drive motor, and is installed to be opposed to the drive cam and rotated at an angle set to the initial state when the safety guard is folded or the first drive motor driving A wheelchair lift having an electric safety guard capable of manual operation in an emergency, characterized in that it comprises a limit switch for stopping driving of the first motor.