JPS58181982A - Door holding apparatus in automatic door opening and closing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to a door holding and fusion mechanism in an automatic door opening/closing device for preventing the door from being overrun by force.

This 7-inch automatic door opening/closing means is designed not only for self-controlled opening/closing, but also for easy manual opening/closing operation.
A clutch mechanism is often interposed between the motor as the drive source and the door closing means.

However, with such a device, during the door opening/closing operation (C, even if you try to stop the door at a desired position and turn off the switch, the motor will stop rotating, but in that case, the clutch will disengage and the door will not open). The door does not stop at the desired position, and due to inertia, it overruns the door by a small distance, which is extremely dangerous and can cause problems such as hands, etc. getting caught in the door, and the opening/closing operation cannot be performed safely. .

The present invention was made in view of the drawbacks of the above-mentioned IS, and its purpose is to improve safety, safety, and operability by providing a brake function that can prevent the door from overrunning. In order to improve UC L's homemade door opener system, we provide door maintenance (1 year old).

In order to achieve the above object, the present invention provides a door i4 that connects an appropriate drive source, a door, and a vehicle body. At the same time as the l closing means, an iJ clutch is interposed to open and close the door.
Even if the FJ) Jm coil of the magnetic lasona is small, it is divided into two, the first excitation coil and the second excitation coil, and VC. ]1llI] -1 when opening/closing the door by vrC,
Only the first excitation coil is excited (set to 1) via a switch to provide a required resistance force to the opening/closing operation of the door, and when the door is automatically opened/closed, the first excitation coil is
The driving source is configured to link the drive source and the door opening/closing means by exciting both the first and second magnetic coils.

Hereinafter, the present invention will be explained in detail based on the illustrated embodiments.

The center pillar (1) has a pair of upper and lower door hinges (3) with pivots (2) in the vertical direction on the rear outer surface of the center pillar (1). ) has four prongs that can be opened and closed freely.

The opening/closing device of the present invention is housed in a room (5) formed by an outer panel (4a), an inner panel (4b), and a front end plate (4C) that form the door (4).

(6) is a board 161 attached to the inner panel (4b), and this board (()) has two clutches (7).
is installed. This tun 1 clutch (7) (屹) decelerates so that it is older than 1. A motor (8) serving as a driving means is connected to the first rule, and an 11-piece clutch (□t
)'s output 1411(9) edge l/'C is the binion (
9a) has been solidified.

00) is a door opening/closing means that connects the door (4) and the vehicle body, and is composed of an arm (11) and a pushing phase (1j) as described below.

The arm (11) has a square shape when viewed from the outside force, and has a horizontal axis (12) facing the inner and outer forces of the door (4) at the base (6), which is the vertical part of the arm (11). It's being taken care of.

A bTA-shaped sector gear (+1a) is connected to the lower part of the arm (1), and this sector gear (11a)
The length (11b) and the binion (9a) are 1m1 and 7.

The upper end portion V'C of the arm 01) is pivoted with a horizontal pushing rod (1B) having a front-rear force direction with a horizontal pin 04) facing inward and outward directions of the door (4).

The front end of the push rod (1B) is attached to the Ail end plate (
It passes through the window 05) installed in 4C) and protrudes out of the door, and forms a vertical blade direction to the racket (1O) which is cut upward by the center hitter (1) on the single unit side. Axis (17
) is the cardinal point 5Sj.

Next, the structure of the electromagnetic clutch (7) will be explained based on FIG. 2.

(1B) U case, this case θ8) consists of a bottomed circular case body (+o) that opens into the interior of the car (19), and -lr and 4I'l that extend through the opening of this case body (19). A chamber (21) is formed inside, and a part of the chamber (21) is fixed to the substrate (6) with screws μ).

A boss (9b) that projects into the room (21) is connected to the center of the bottom wall (19a) of the case body (10). This boss (19b) is attached to the above 11:I blade shaft (9).
The middle part of is pivoted. This output [1IIll(9
At the inner end of the case (j8), the center of the side surface of the armature (made of anti-magnetic soft iron and in the form of a disk) is hardened.

(The column is an impaction excitation coil, and consists of two coils arranged concentrically, namely, the first excitation coil (24a) in which the electromagnetic clutch is in a half-clutch state, and the original excitation coil (24a),
The second excitation coil (24
b) and the bottom wall (19a) of the case body (j9).
Of these, the boss (19b) is inserted into the boss (19b) and fixed therein.

The electric circuit for door opening Mb formed by the excitation coils (24a) (24b) and the motor (8) will be described later.

(2I5) is a rotor made of anti-magnetic soft iron and has a substantially disc shape, and this rotor (25) is connected to the armature (
It is arranged so as to form a very small gap between the excitation coil) and the excitation coil) so as to form a field at the time of The provided inner hole is fitted into the outer circumferential surface Vr of the boss (19b) and is rotatably supported.

"Nikomi armature (4)) and rotor (b)),
An electromagnetic clutch is comprised of the coil (coil).

That is, when the field is excited by energizing the excitation coil (25), the rotor (25) moves toward the armature (25).
8) is adsorbed and the supply of oxygen to the coils .) is cut off, the suction force of the rotor disappears.

An annular worm wheel (20) made of a non-magnetic material is fitted onto the outer peripheral surface of the rotor (25). This wall wheel bowl is attached to the case body (j9) at its F end. It irreversibly meshes with the rotatably supported worm strip to form a speed reduction mechanism.

Note that the worm is connected to the output shaft of the motor (8), which is not shown.

(A) (A) is a lining made of leather or synthetic resin, etc., to increase frictional force. 25a).

Next, the air mastication circuit for opening the door will be explained based on FIG.

Direct current power source such as battery mounted on car
is a switch (S4) for opening the gutter installed in transfer seats, etc.
through which the motor (8) is connected, and the motor (8) with
At both ends, a second excitation coil (24b) is connected to the V row of power plants.

'-Also, the 1j auxiliary magnetizing coil (24a) is connected to the power source (crow) via a switch (S2) that opens and closes in conjunction with the switch (Sl), and the voltage between both terminals of this switch (S2) is A switch (S,) is connected in parallel to .

This switch (S,) is a limit switch that opens when the door is fully closed and closes when the door is even slightly opened.

That is, when the door opening switch (S,) (S,) is closed, power is supplied from the battery (bird) to the motor (8), and the first and second excitation coils (24a)
(24b) is energized, the electric clutch 1 is activated, the armature mark) is magnetically attached to the rotor (b), and the rotation of the motor (8) is transmitted back to the output shaft (9). .

When the door is opened, the switch (S3) is closed,
Only the first excitation coil (24a) is energized, and the rotor (
25) The armature (23) is attracted to 1111.

However, in the first excitation (the suction force of the coil (24a) by itself), the armature (4)) and the rotor (25) are in a half-clutch state, and the door opening/closing means (1) is turned from the shelf side.
When the power is transmitted to the armature (l!-3) with the full output ll1llll (9), the armature (a) is allowed to rotate while providing a moderate resistance force. ing.

Next, the operation of the apparatus according to the present invention constructed as above will be explained.

When the door opening switch (S,) (S,) is turned on, the motor (8) and the first and second excitation coils (24a) (24b) are supplied with V'C power from the batch power supply. . - When the anti-magnetic clutch mechanism is connected and the output shaft (9) is turned, the arm (11) rotates counterclockwise in Figure 1 and pushes the push rod (3) forward. .

Therefore, the door (4) is relatively opened, and a switch (S,) (S,) not used for door enclosure is turned off in the half-open position, or a switch (not shown) is used to determine the fully open position of the door (4). As a result, power supply to the motor (8) is stopped.

Also, when closing the door (is a door not shown),
In the electric circuit, turn on the switch for closing the door installed in the driver's seat, etc. Then, the motor (8) operates, and contrary to the above-mentioned operation, the arm (11) rotates clockwise in Figure 1, the push rod (13) is pulled, and the door (4) is opened. Switch off the door opening force in the closed and half-open position, or
Alternatively, the limit switch (S3) that detects the fully closed position of the door (4) is opened, and the power supply to the motor (8) is stopped.

As mentioned above, when the door (4) is opened/closed, the supply to the motor (8) is stopped and 'Mtt+
d With the disengagement operation of the clutch mechanism, the inertial force of the door (4) acts, and the armature (~) continues to rotate via the door 1ml closing means (10) and the output shaft (9). shall be.

However, as mentioned above, when the door is open, the limit switch (S3) is closed, so the first excitation coil (2+a) always maintains the required resistance force. It becomes a half-clutch state where you rotate while moving around.

For 7, armature (A) and lining (row 1m)
The door stopped moving due to brake 1' [by m-direction force], and the door stopped moving.
Doors should be closed or closed in a safe and national manner (δ)
I will do it.

Note that the first excitation coil (24a) described above
The key action is the effect of maintaining the open position of an open shelf door by operating when the door is stopped midway in a half-open state when opening/closing the door automatically, or when the door is opened/closed manually. have.

In the above-mentioned embodiment, an explanation has been given of an application to a swing type automatic door opening/closing device, but the present invention is not limited thereto. For example, it goes without saying that the present invention can be applied to a sliding automatic door opening/closing device that can be opened and closed in a direction along the body of an automobile.

The above group 111ilV (as explained, the present invention (lma,
The excitation i+M coil of an electromagnetic clutch in an automatic door opening/closing device is divided to perform dual functions of clutch action and half-clutch action.

Therefore, in the door opening/closing operation, the door can be stopped in the center of the door at the carbon nitride position, which has the effect of improving safety and operability.

Further, when the door is fully opened, there is an advantage that the door can be smoothly and automatically opened and closed without applying a large impact to the stopper or the like.

Furthermore, even when the door is opened manually, an appropriate door holding force is exerted and there are advantages such as safety.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway front view of an 11 m long automobile door according to an embodiment of the present invention; Fig. 2 is a vertical sectional view taken along the line X-X of Fig. 1; Fig. 3; is an electrical circuit diagram for opening the door of the clutch shown in Figure 2. (4) Door (7) Electromagnetic clutch (9)
Output shaft (10) Door opening/closing means (18) Case + Wl armate core (c)) Excitation (1 loss coil (24a) W, ] Excitation coil (24
b) Second excitation coil (b)) Rotor E (+l worm wheel (Z71 worm (≧8) lining

Claims (1)

[Scope of Claims] An automatic door opening/closing device that opens and closes the door by interposing a magnetic lattice between an appropriate drive source and a door opening/closing means that connects the door and the vehicle body, F] The excitation coil of the electromagnetic clutch described in iJ is divided into at least two parts, a first excitation coil (first excitation coil) and a second excitation coil, and when the door is manually opened or closed, only the first excitation coil is activated via a switch. The coil is energized to provide the necessary resistance force for the door opening/closing operation, and when the door is automatically opened/closed, both the first excitation coil and the second excitation coil are energized. A door holding device in an automatic door opening/closing device, characterized in that a drive source and a door opening/closing means are linked.