JP5732338B2 - Treadle press restriction mechanism, load-type door opening and closing device - Google Patents

Description

  The present invention relates to a tread press depressing restricting mechanism for a driving device in which a tip of a second tread plate is overlapped with a lower side of a first tread plate and the second tread plate is pushed down to drive.

  Conventionally, sliding doors that are manually opened and closed and electric automatic doors have generally been used for doors of restrooms, particularly multifunctional toilets. However, sliding doors hinder the smooth use of elderly and disabled people, while automatic doors require sensors to open and close and open electrical circuits. In addition, the number of installed automatic doors is increased in a public place and standby power is increased, which may make it difficult or impossible to operate and unlock the door during a power failure. For this reason, the following Patent Document 1 proposes a load-type door opening / closing device that opens a door with a force of a user stepping on a tread plate.

Japanese Patent No. 4253034

  This type of device needs to be installed on the inside and outside of the room in contact with the door. Immediately after entering the room, the footboard is always stepped on, so the door does not close and is locked manually. It was impossible. Also, if the treadle is not driven even when it is depressed, such as when the door is locked, the entire weight of the user must be borne by the device, which may cause a heavy load on the device and cause a malfunction. It was.

  The present invention has been made in view of such a problem, and even when the indoor side stepping plate is stepped on, the door can be closed and locked without being driven, and when the outdoor side stepping plate is not driven, The purpose is to prevent excessive force from acting on the device.

In order to achieve such an object, the tread press depressing restricting mechanism of the present invention is driven by driving the end of the second tread on the lower side of the first tread so that the second tread is pushed down. There is a treadle pressing restriction mechanism of the apparatus, wherein a first slider is arranged on one side in the width direction of the first tread plate so as to be slidable in the width direction of the first tread plate, and the width direction of the second tread plate A second slider that is disposed on one side of the second slider and that slides in the width direction of the second tread plate, and is movable in the arrangement direction of the first slider and the second slider A pressing member, a first groove extending on the first slider in the length direction of the first tread plate from the second slider side toward the first tread plate side, and the first From the slider side to the side opposite to the second tread, Serial characterized in that it comprises a second groove extending the second footboard longitudinal to said second upper slider.
In addition, the present invention is characterized by further comprising an urging means for urging the first slider to the lower side of the first tread plate.
In the present invention, the first slider includes a support member that movably supports the first tread plate, and the second slider includes a support member that movably supports the second tread plate. It is characterized by.
In the present invention, the first groove extends on the first slider in the length direction of the first tread plate from the second slider side toward the first tread plate side. Alternatively, the second groove extends on the second slider in the length direction of the second tread plate from the first slider side toward the opposite side of the second tread plate. It is characterized by being formed by a groove or hole.
In the load-type door opening and closing device of the present invention, when the second tread plate is pushed down, a door that separates the first tread plate side and the second tread plate side is opened, and the second tread plate is pushed down. A load-type door opening and closing device that closes the door when unlocked, wherein the stepping plate pressing-down regulating mechanism according to any one of claims 1 to 4 regulates depression of the second stepping plate.

  According to the present invention, locking can be performed by restricting the first slider from being pushed down by the first slider and not driving the device. Further, since the device is not driven by restricting the second tread plate from being pushed down by the second slider, it is not necessary to apply an excessive force to the device.

It is a perspective view showing a load type door opening and closing device of one embodiment of the present invention. It is a perspective view which shows the tread board pressing-down control mechanism with which the load type door opening / closing apparatus of FIG. 1 is provided. It is a perspective view which shows the guide mechanism with which the tread board depressing restriction mechanism of FIG. 2 is provided. It is a perspective view which shows operation | movement of the tread board pressing-down control mechanism of FIG. It is a figure which shows the modification of a slider. It is a figure which shows an example of the urging | biasing method of an inner slider. It is a figure which shows an example of the locking mechanism with which the load type door opening / closing apparatus of FIG. 1 is provided. It is a figure which shows the other example of the locking mechanism with which the load type door opening / closing apparatus of FIG. 1 is provided.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 is used for locking with a load-type door opening / closing device that opens the door 8 using a force by which the outer tread plate 1 or the inner tread plate 2 is stepped on, and closes the door 8 when the step is released.
In this load-type door opening and closing device, the door 8 opens in conjunction with the depression of the outer stepping plate 1, the door 8 closes in conjunction with the release of the depression, and the tip of the outer stepping plate 1 moves to the normal position. The front edge of the inner footboard 2 is disposed on the front edge of the outer footboard 1 so that the inner footboard 2 and the outer footboard 1 are interlocked.

  As shown in FIG. 2, the tread plate pressing restriction mechanism includes an outer slider 4 arranged on one side of the outer tread plate 1, an inner slider 5 arranged on one side of the inner tread plate 2, and locking and unlocking of the door 8. And a pressing rod 3 that slides the outer slider 4 and the inner slider 5 in conjunction with each other.

  The pressing bar 3 moves from the neutral position located between the outer slider 4 and the inner slider 5 to the outer slider 4 side when the door 8 is locked, and to the inner slider 5 side when the door 8 is unlocked. A guide mechanism for guiding the pressing rod 3 is provided on the arrangement surface of the outer slider 4 and the inner slider 5. As shown in FIG. 3, the guide mechanism includes a slide bar 31 to which the tip of the pressing bar 3 is fixed, and a support body 32 that supports the slide bar 31. The slide bar 31 is supported at both ends by a pair of supports 32 from both sides, and slides linearly along the arrangement direction of the outer footboard 1 and the inner footboard 2.

  As shown in FIG. 2, the outer slider 4 includes a groove 41 through which the tip of the pressing rod 3 is inserted, and slides on the floor surface in the width direction of the outer footboard 1 with a wheel (not shown). The groove 41 is inclined from the open end facing the inner slider 5 side to the side opposite to the outer stepping plate 1 with respect to the sliding direction of the slide bar 31, and extends linearly in the length direction of the outer stepping plate 1. The regulating portion 42 of the outer slider 4 is provided with a roller 6.

  The inner slider 5 is provided with a groove 51 through which the tip of the pressing rod 3 is inserted, and slides on the floor surface in the width direction of the inner footboard 2 with a wheel (not shown). The groove 51 is inclined toward the inner stepping plate 2 with respect to the sliding direction of the slide bar 31 from the open end facing the outer slider 4 side, and extends linearly in the length direction of the inner stepping plate 2. The regulating portion 52 of the inner slider 5 is provided with a roller 7. The inner slider 5 is constantly urged to the lower side of the inner tread plate 2 by a biasing means such as a spring, the open end of the groove 51 is positioned above the slide bar 31, and the restricting portion 52 is placed below the inner tread plate 2. It is located.

  Next, the operation of the treadle pressing restriction mechanism in the load type door opening and closing device will be described with reference to FIG.

  When the door 8 is unlocked, as shown in FIG. 4A, the tip of the pressing bar 3 is positioned at the neutral position, and the restricting portion 42 of the outer slider 4 is retracted from the lower side of the outer tread plate 1. Further, the inner slider 5 is urged by the urging means in the direction of arrow A in FIG. 4A, the regulating portion 52 is positioned below the inner tread plate 2, and the inner tread plate 2 is supported by the rollers 7. . For this reason, the outer tread board 1 stepped on by the user is pushed down as shown by an arrow B in FIG. 4A, and the door 8 is opened by the load type door opening and closing device.

  When the user enters inside from the door 8 and the stepping on the outer stepping plate 1 is released, the door 8 is closed by the load type door opening and closing device, and the outer stepping plate 1 raises the tip side to the original position. The inner tread plate 2 is stepped on by a user who has entered the inside of the door 8, but the depression is restricted by the restriction portion 52. For this reason, the load type door opening and closing device is not driven and the door 8 is kept closed.

  When the user locks the door 8 in a state where the user steps on the inner stepping plate 2, as shown by an arrow C in FIG. 4B, the tip of the pressing bar 3 moves from the neutral position to the outer slider 4 side in the groove 41. To do. As a result, as indicated by an arrow D in FIG. 4B, the outer slider 4 slides toward the outer stepping plate 1 and the restricting portion 42 is disposed below the outer stepping plate 1, as shown in FIG. 4B. The outer footboard 1 is supported by the roller 6.

  As a result, even when the outer stepping plate 1 is stepped on by the user during locking, the pressing of the outer stepping plate 1 is restricted, the load type door opening / closing device is not driven, and the door 8 is kept closed. Moreover, even if the user who unlocks the door 8 steps on the inner stepping plate 2, the pressing of the inner stepping plate 2 is restricted, and the load type door opening / closing device is not driven.

  When the door 8 is unlocked, as shown by an arrow E in FIG. 4C, after the tip of the pressing bar 3 moves to the neutral slider 5 side in the groove 41 to the neutral position, the inner slider 5 is further moved from the neutral position. Move in the groove 51 to the side. Accordingly, as indicated by an arrow F in FIG. 4C, the outer slider 4 moves to the side opposite to the outer stepping plate 1, and the inner slider 5 moves to the side opposite to the inner stepping plate 2, and FIG. As shown in FIG. 3, the restricting portion 42 is retracted from the lower side of the outer stepping plate 1 and the restricting portion 52 is retracted from the lower side of the inner stepping plate 2.

  The outer slider 4 and the inner slider 5 are easily pulled out from the lower side of the outer tread plate 1 and the inner tread plate 2 as the rollers 6 and 7 rotate. When the regulating portions 42 and 52 are retracted from the lower side of the outer tread board 1 and the inner tread board 2, the inner tread board 2 depressed by the user is pushed down together with the outer tread board 1 as shown by an arrow E in FIG. The door 8 is opened by the load type door opening and closing device. When the door 8 is unlocked and the outer tread plate 2 is released, the inner slider 5 is slid toward the inner tread plate 2 by the urging means, and the restricting portion 52 is positioned below the inner tread plate 2. Along with this, as shown by an arrow C in FIG. 4C, the tip of the pressing bar 3 moves in the groove 51 to the neutral slider position to the outer slider 4 side.

  According to the present embodiment, by pressing down the stepping plates 1 and 2 with the sliders 4 and 5 and not driving the load type door opening and closing device, even if the stepping plates 1 and 2 are stepped on when the door 8 is locked, It is not necessary to apply excessive force to the load type door opening and closing device.

  Further, according to the present embodiment, after the door 8 is unlocked, the restricting portion 52 of the inner slider 5 is urged to enter the lower side of the inner stepping plate 2, and the depression of the inner stepping plate 2 can be restricted by the roller 7. For this reason, the user who opened the door 8 can close and lock the door 8 in a state where the user has stepped on the inner footboard 2. Moreover, since the opening operation by the load type door opening / closing device is not performed, the force used for closing the door can be kept small, and the load type door opening / closing device as in the case of closing the door against the opening operation. It is also possible to prevent excessive force from acting on the device.

  Further, according to the present embodiment, the outer stepping plate 1 and the inner stepping plate 2 are supported by the rollers 6 and 7 so that the outer slider 4 and the inner slider 5 are easily retracted from the lower side of the outer stepping plate 1 and the inner stepping plate 2. Thus, unlocking can be performed in a state where the inner footboard 2 is depressed.

  In the above embodiment, the case has been described in which the inner slider 5 is constantly urged to the lower side of the inner stepping plate 2 by the urging means, and the regulating portion 52 is positioned below the inner stepping plate 2. However, the inner slider 5 may be configured not to be biased to the lower side of the inner tread plate 2. In this configuration, after the door 8 is unlocked, the inner slider 5 is not restricted from being pushed down by the inner slider 5, and the door 8 does not close when the inner tread plate 2 is depressed. Become.

  In the above embodiment, the outer stepping plate 1 and the inner stepping plate 2 are supported by the rollers 6 and 7 so that the outer slider 4 and the inner slider 5 can be easily retracted from the lower side of the outer stepping plate 1 and the inner stepping plate 2. However, the tread plates 1 and 2 may be configured not to include the rollers 6 and 7. In this configuration, the outer slider 4 and the inner slider 5 cannot be easily retracted from the lower side of the outer stepping plate 1 and the inner stepping plate 2 by the weight of the user when the inner stepping plate 2 is stepped on. If it is in a state, the outer slider 4 and the inner slider 5 can be easily retracted from the lower side of the outer stepping plate 1 and the inner stepping plate 2 and unlocked.

  Moreover, it is good also as a structure provided with the bearing 54 instead of the roller 7 like the inner slider 5 shown in FIG. The bearing 54 is provided on an inclined surface 53 formed in the restricting portion 52. The means for urging the inner slider 5 to the lower side of the inner stepping plate 2 is arbitrary. As shown in FIG. 6, the inner slider 5 is attached by inclining the arrangement surface 9 of the inner slider 5 with respect to the horizontal plane 91. You may force.

  Moreover, the structure of the locking mechanism which moves the press stick | rod 3 according to locking and unlocking of the door 8 is arbitrary, For example, it can comprise as shown in FIG. The locking mechanism includes an operation panel 10, a slider 13 that slides according to the operation of the operation panel 10, and a connecting member 14 that connects the slider 13 and the pressing rod 3. The connecting member 14 is composed of a rigid member such as metal.

  In this locking mechanism, when the locking button 11 of the operation panel 10 is pressed, the drive shaft 11a slides the slider 13 from the neutral position shown in FIG. 7 to the door 8 side, and the slider 13 is inserted into the key hole 81 of the door 8. Let one end of. Along with this, the connecting member 14 moves the pressing rod 3 toward the outer slider 4 until it is positioned at the end of the groove 41.

  When the unlock button 12 is pressed, the drive shaft 12a slides the slider 13 to the opposite side of the neutral position. Accordingly, the connecting member 14 moves the pressing rod 3 toward the inner slider 5 until it is positioned at the end of the groove 51. In this locking mechanism, one end of the slider 13 enters the key hole 81, so that the door 8 cannot be opened manually even during locking.

  Moreover, as shown in FIG. 8, it can also be set as the locking mechanism in which the connection member 14 was comprised with wires, such as a wire. Even in this locking mechanism, when the drive shaft 11a slides the slider 13 by operating the locking button 11, one end of the slider 13 enters the key hole 81, and the connecting member 14 moves the pressing rod 3 to the outer slider 4 side. Let Further, when the drive shaft 12a slides the slider 13 by operating the unlock button 12, one end of the slider 13 is retracted from the key hole 81, and the connecting member 14 moves the pressing rod 3 to the outer slider 5 side.

  Moreover, although the said embodiment demonstrated about the case where the grooves 41 and 51 were pressed with the press stick 3, the structure of a press member is arbitrary and is not limited to a rod-shaped body. Further, the configuration of the drive unit is not limited to the hole or the groove. Moreover, the tread board pressing-down regulating mechanism of the present invention can also be used to regulate the depression of the tread board with a device other than the load-type door opening and closing device.

DESCRIPTION OF SYMBOLS 1 Outer footboard 2 Inner footboard 3 Press bar 31 Slide bar 32 Support body 4 Outer slider 41 Groove 42 Restriction part 5 Inner slider 51 Groove 52 Restriction part 53 Inclined surface 54 Bearing 6 Roller 7 Roller 8 Door 81 Keyhole 9 Arrangement surface 91 Horizontal surface 10 Operation Panel 11 Locking Button 11a Drive Shaft 12 Unlocking Button 12a Drive Shaft 13 Slider 14 Connecting Member

Claims (4)

An end portion of a second tread plate is overlaid on a lower side of the first tread plate, and a tread plate pressing restriction mechanism of a driving device that drives the second tread plate to be pushed down;
A first slider disposed on one side in the width direction of the first tread plate so as to be slidable in the width direction of the first tread plate;
A second slider disposed on one side in the width direction of the second tread plate so as to face the first slider and sliding in the width direction of the second tread plate;
A pressing member movable in an arrangement direction of the first slider and the second slider;
A first groove extending on the first slider in the length direction of the first tread plate from the second slider side toward the first tread plate side;
And a second groove extending on the second slider in the length direction of the second tread plate from the first slider side toward the opposite side of the second tread plate. Tread board pressing restriction mechanism.   2. The tread press depressing restriction mechanism according to claim 1, further comprising a biasing unit that biases the first slider to a lower side of the first tread. The first slider includes a support member that movably supports the first tread plate,
The tread board depressing restriction mechanism according to claim 2, wherein the second slider includes a support member that movably supports the second tread board. A load-type door opening and closing device that opens the door that separates the first tread plate side and the second tread plate side when the second tread plate is pushed down, and closes the door when the second tread plate is released. Because
A load-type door opening and closing device, wherein the tread press depressing restricting mechanism according to any one of claims 1 to 3 restricts the pressing of the second tread.

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