JPH11186749A - Device for engaging and disengaging switching body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for engaging and disengaging a switching body which can perform the pushing against a fixed frame at the time of closing a switch body and the push out from the fixed frame in releasing it, without fail. SOLUTION: Either the side of a switching body or the side of a fixed frame is provided with a lock piece 23, and the other of these is provided with an on-off driver 22, and in the case of closing the switch body, when the locking projection 23 of the switch body engages with the on-off driver 22, the block supporting frame 28 provided at the on-off driver 22 is shifted, and the locking projection 23 shifts compulsively to the center position of the fixed frame gradually, and the switch body closed under such condition that the fixed frame and the switch body are pressure-welded to each other, without fail. In the case of opening the switching body, when the on-off driver 22 shifts the block supporting frame 28 in its former direction, the locking projection 23 is guided to a sliding groove 29 in reversely manner to the above, and the switching body is released, being pushed out in the direction of opening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door with a shield member for shielding electromagnetic waves, a door with a gasket for close contact in a refrigerator, a refrigerator, a drying cabinet, a warehouse, etc., a window with a packing,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing body disengaging device capable of automatically and reliably performing an operation of pressing a roof-top hatch or the like with a leakproof hatch against a fixed frame when closed and automatically pushing the same out when opened.

[0002]

2. Description of the Related Art Generally, as shown in FIGS. 8 and 9, for example, when a door 10 as an opening / closing body for opening and closing an entrance is provided with an electromagnetic wave shield, the building and the door 10 have excellent conductivity. A shield member 20 as a press-contact member is attached to the entire periphery of the door 10 to shield the gap between the fixed frame as an entrance and an earth while making it metal.

More specifically, a door 10 is attached to an entrance as shown in FIG. 8 by a hinge 18 so as to be openable and closable, and a rotation shaft 16 is turned by an opening / closing drive device 15 in the eyelet 11. In an automatic door that automatically opens and closes by swinging the door 10, a shield member 20 having a cut 21 is attached to the entire outer periphery of the metal door 10 for electromagnetic wave shielding.
It is designed to be in electrical contact with conductive portions at the entrance such as the left and right columns 12, 12, the floor 13, and the like.

[0004]

In the automatic door described above, when the door 10 is closed, the shield member 2 is closed.
In order for 0 to be completely connected to the doorway, considerable force is required. If the door 10 cannot be completely closed by the force of the opening / closing drive device 15, the door 10 must be pressed or pulled in by a person's hand while holding the handle 19. Also, when opening the door 10 once closed,
A large force is required to push the door 10 out, and in this case, if the door 10 cannot be opened, it must be pushed out by human power.

If the opening and closing drive device 15 automatically and reliably pushes when closing and pushing when opening,
The opening / closing drive device 15 requires a large horsepower, which not only increases the size of the device but also makes it expensive. Also,
In order to reliably open and close with the same opening and closing drive device 15 as possible, it is necessary to minimize the contact resistance between the shield member 20 and the entrance and exit. However, the original purpose of the electromagnetic wave shield can be achieved. There is a risk of disappearing. The above problems are not only doors with shield members to block electromagnetic waves, but also freezer, refrigeration,
Opening and closing bodies such as doors with gaskets for close contact in warehouses, windows with packing, and rooftop hatches with rain leakage prevention also had similar problems.

[0006] The present invention provides an opening and closing mechanism which can reliably press the opening / closing body 10 such as a door, a window, a hatch or the like against a fixed frame as an entrance when closing the door and push it out from the fixed frame when opening. It is an object of the present invention to provide a body engaging and disengaging device.

[0007]

According to the present invention, there is provided an opening / closing body disengaging device in which an opening / closing body is provided on a fixed frame side via a press-contact member to be detachable. A locking portion 23 is provided on one of the fixed frame side, and the engagement / disengagement driving device 22 is located at a position facing the locking portion 23 on the other of the fixed frame side and the peripheral edge of the opening / closing body 10. When the opening / closing body 10 is opened and closed, the locking portion 23 is disengaged from the engagement / disengagement driving device 22 to push the opening / closing body 10 when closing and to push out the opening / closing body 10 when opening. An opening / closing body engaging / disengaging device characterized by the following.

When closing the opening / closing body 10, when the locking portion 23 of the opening / closing body 10 is engaged with the engagement / disengagement driving device 22, the block support frame 28 provided on the engagement / disengagement driving device 22 moves to move the locking portion 23. Gradually forcibly moves to the fixed frame side, and the press-contact member 20 of the opening and closing body 10 is pressed against the gate 14 and other fixed frame sides, and the opening and closing body 10 is completely closed. Next, the opening and closing body 10
In the case of opening the opening, when the block supporting frame 28 is moved in the original direction by the engagement / disengagement driving device 22, the locking portion 23 is guided by the sliding groove 29 in the opposite direction, and the opening / closing body 10 is moved in the opening direction. Extruded and released.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As a first embodiment of the present invention, an automatic door that opens and closes by swinging a door with a shield member for blocking electromagnetic waves will be described with reference to FIGS. In FIG. 3, a shield member 20 as a press-contact member is attached to the entire periphery of a door 10 as an opening and closing body, and the door 10 opens and closes a fixed frame as an entrance and exit of a building by an opening and closing drive device 15 by a swing. Same as 8. In the automatic door 10 that opens and closes by such a swing, the present invention provides a locking portion 23 on the side of the door 10 as the opening / closing body on which the handle 19 is attached. When the door 10 is opened and closed, the locking portion 23 is fitted into the column 12 through the notch 52 to engage and disengage with the engagement / disengagement drive device 22 when the door 10 is opened and closed. 10 is an opening / closing body engaging / disengaging device 9 for reliably performing the operation of pressing the door 10 and pushing out the door opening / closing body 10 when the door is opened.

The details of the locking portion 23 will be described with reference to FIG. 4. A mounting frame 42 is fixed inside a door frame 41 on the side surface of the door 10 with the shield member 20, and the mounting frame 4 is fixed.
A shaft 38 is provided between the bush 45 of the flange 43 at one end and the bush 46 of the flange 44 at the other end so as to be able to advance and retreat, and a coil spring 47 interposed at an intermediate portion of the shaft 38.
As a result, the distal end of the shaft 38 protrudes from the door 10 to the outside. At the protruding tip of the shaft 38, a roller-shaped locking portion 23 is rotatably provided by bearings 39, 39, and the locking portion 23 is pulled out by a pressing lid 40 at the tip of the shaft 38. It has been stopped. A lever 48 is attached to a substantially middle portion of the shaft 38 at right angles, and an L-shaped mounting frame 42 of a decorative plate 51 covered on a flat portion of the door 10 is provided.
And a handle 49 is provided at the tip thereof. The lever 48 is provided on another surface of the door 10.

The locking portion 23 thus constructed normally projects outside the door frame 41 by means of a coil spring 47. However, if necessary, a grip 49 is provided to hold the lever 48 against the coil spring 47. By pulling along the horizontal portion of the lever guide hole 50 to lock the lever 48 to the vertical portion, the locking portion 23 can be drawn into the door 10.

Next, the engagement / disengagement drive unit 22 will be described with reference to FIGS. 1 and 2. The engagement / disengagement drive unit 22 in the column 12 is an advance / retreat drive source 2 comprising a solenoid, a motor, and the like.
5 is mounted on a mounting plate 24,
A rod 27 is connected to a lower end portion of the guide tube 26 so as to advance and retreat in the guide tube 26 in the vertical direction. A block support frame 28 is fixedly attached to the lower end of the rod 27, and slide blocks 30 and 31 for forming an oblique sliding groove 29 in the block support frame 28 are provided. The inclination of the slide groove 29 is configured such that the lower end is opened on the entry side of the locking portion 23 and the upper end is located substantially at the center of the column 12.

An optical path hole 33 is provided in the slide block 31 so as to face the position where the engaging portion 23 enters, and a closed position sensor 32 is mounted inside the optical path hole 33.
The block support frame 28 is configured so that sliding guides 35 are attached to two rear surfaces thereof so that the block supporting frame 28 moves vertically without swinging, and slides along a vertical rail 34 provided on the mounting plate 24. Have been. Also, the block support frame 2
8 at the upper end position and the lower end position, respectively.
And a lower limit position sensor 37 are provided.

The opening and closing operation of the door 10 having the above configuration will be described. First, the case of closing the door 10 will be described. In the door 10, the rotating shaft 16 is rotated by the driving force of the opening / closing drive device 15, and swings in the closing direction via the arm 17, so that the door 10a in FIG. Then, the locking portion 23 is fitted into the notch 52, and the locking portion 23 reaches the lower end opening of the sliding groove 29 as shown by 10b in FIG.

When the locking portion 23 reaches the lower end opening of the sliding groove 29, the light radiated from the closed position sensor 32 is transmitted to the optical path hole 3.
3 and reflected by the locking portion 23 again to close the position sensor 32.
The locking portion 23 is detected by receiving the light at (1) and (2). When the lock position 23 is detected by the closed position sensor 32, the forward / backward drive source 25
Is actuated, the rod 27 projects downward, and the block support frame 28 slowly descends vertically along the rail 34. When the block support frame 28 descends, the locking portion 23 is formed by the sliding groove 29 formed by the slide blocks 30 and 31.
Is gradually forcibly moved to the center position of the pillar 12, and when the block support frame 28 reaches the lowermost end as shown by 10c in FIG. 1B, the shield member 20 of the door 10 is moved to the gate 14 or other entrance. And the door 10 is electrically contacted. At this time, it is determined that the block support frame 28 is at the lowermost position.
And the forward / backward drive source 25 stops.

Next, when the door 10 is to be opened, when a switch is turned on or an opening signal is input from a human body detection mat or the like, first, the advance / retreat drive source 25 is operated to cause the rod 27 to exit, and the block support frame is moved. 28 is moved in the direction of lifting up along the rail 34. Then, the locking portion 23 is guided in the sliding groove 29 opposite to the above, and is pushed out in the opening direction of the door 10. The door 10 and the locking portion 23 are the same as those shown in FIG.
When the block support frame 28 reaches the lower end opening of the sliding groove 29 as shown by 0b, the block support frame 28 stops rising and is detected by the upper limit position sensor 36, and the locking portion 23 is detected by the closed position sensor 32. The door 10 is driven by the opening / closing drive device 15.
Swings in the opening direction, and the locking portion 23 has the notch 52.
, And the door 10 is opened.

In the state where the door 10 is completely closed, when the engagement / disengagement drive device 22 stops operating due to a power failure, an accident or other reasons, the user holds the grip 49 and holds the lever 48.
Is pulled in the horizontal direction of the lever guide hole 50 against the coil spring 47, and the lever 48 is locked in the vertical portion of the lever guide hole 50, so that the locking portion 23 is retracted from the side surface of the door 10. 10 can be opened manually.
If the locking portion 23 is retracted, the block support frame 28
Door 1 regardless of whether it is in the upper or lower position
0 can be manually opened and closed without using the opening and closing drive device 15.

In the embodiment shown in FIG. 3, the locking portion 23 of the opening and closing device 9 is provided on the handle 19 side of the door 10,
In addition, the example in which the engagement / disengagement driving device 22 is provided on the pillar 12 is described as an example. However, the invention is not limited thereto. Eye 1
1, and the mounting position is not limited to the illustrated example. Further, the case where the opening / closing body engaging / disengaging device 9 is provided at two positions above and below the column 12 is exemplified, but may be provided at one position, and the mounting position is not limited to the embodiment.

In the above embodiment, the case where the door 10 is opened and closed by a swing as the opening and closing body has been described. However, the case of the door 10 which can be opened and closed by sliding can also be applied. For example, as shown in FIG. 5, when the door 10 is fitted and killed by the wheel 55 and slides along the door 57 to move in the door rail 53 and opens and closes, the door 10 shown in FIG.
As shown by the solid line a, when the door 10 is closed, a wheel escape portion 54 is provided so that the wheel 55 of the door 10 can slide to the column 12 side, and the locking portions 23 are provided on both sides of the door 10. Are provided, and notches 5 are provided in the pillars 12 on both sides.
2 and 52 are formed, and the engagement / disengagement driving devices 22 and 22 are provided.

In such a configuration, the door 10 is closed to the position indicated by the solid line 10a, and then moved to the position indicated by the alternate long and short dash line 10b.
Forcibly pressed to the position indicated by the two-dot chain line at 10c in steps 2 and 22. Further, when the door 10 is opened, the engagement / disengagement driving device 2 is moved from the two-dot chain line position of 10c to the one-dot chain line position of 10b.
Extrusion is performed at steps 2 and 22, and the door 10 is returned from the dashed line position of 10b to the solid line position of 10a by manual or another driving force, and the door 10 is opened.

In FIG. 5, the mechanism for moving from the solid line position of 10a to the dashed line of 10b or moving from the dashed line of 10b to the solid line position of 10a is as shown in FIGS. 6 and 7. Door rail 5 on which wheels 55 roll
3 is used in which an inclined portion 56 which is inclined obliquely from 10a to 10b is formed. Then, the door 10
The door 10 moves linearly in the horizontal portion of the door rail 53 and moves obliquely in the inclined portion 56, so that the door 10 can be moved in the horizontal direction as an extension of the sliding movement of the door 10.

The present invention can be applied to a door opening / closing device which opens and closes by swinging or sliding, even if the door 10 is automatically opened or closed. In the above embodiment, the locking portion 23 is provided on the opening / closing body 10,
Although the engagement / disengagement drive device 22 is provided on the fixed frame side, the present invention is not limited to this. For example, the locking portion 23 is provided on the fixed frame side, and the engagement / disengagement drive device 22 is provided on the opening / closing body 10. The engaging portion 23 may be provided on one of the opening / closing body 10 and the fixed frame side, and the engagement / disengagement driving device 22 may be provided on the other of the fixed frame side and the opening / closing body 10.

In the above-described embodiment, a door with a shield member for shielding electromagnetic waves is used, and a swing door or a slide door is used as the opening / closing member 10, and a shield member is used as the pressure contact member 20. However, it is not limited to such an example, and a door with a gasket for close contact, a window with a packing,
The present invention can also be used when an opening / closing body such as a roof-top hatch with rain leakage prevention is pressed against a fixed frame when closed and pushed out from the fixed frame when opened.

[0024]

According to the present invention, the locking portion 23 is provided on one of the opening / closing body 10 and the fixed frame side, and the fixed frame side and the opening / closing body 10 are provided.
The opening / closing body 10 is opened / closed when the engaging / disengaging drive device 22 is provided.
The opening and closing body 10 is pressed when closing and closing, and the opening and closing body 10 is pushed out when opening, so that the pushing and pushing of the opening and closing body 10 with the press-contact member 20 are surely performed. Can be. In addition, since the device only has to press and push the opening / closing body 10, it can be reduced in size with a simple configuration, and can be stored in the pillar 12, the blind 11, or the like.

The locking portion 23 is rotatably fitted to the distal end of the shaft 38, and the shaft 38 is provided so as to be able to advance and retreat from the side surface of the opening and closing member 10. A lever 48 integrally provided with the shaft 38 is protruded to the outside through a lever guide hole 50 in a flat portion of the opening / closing body 10. As a result, the lever 48 is pulled against the coil spring 47 and locked in the lever guide hole 50 as necessary, so that there is an accident such as a power failure or a failure. Can also be opened and closed manually.

The engagement / disengagement drive device 22 includes an advance / retreat drive source 25,
It comprises a rod 27 which can be advanced and retracted by the advance and retreat drive source 25, and a block support frame 28 which is attached to the rod 27 and forms an oblique sliding groove 29. One end of the sliding groove 29 is provided with the locking portion. 23, and the opening and closing of the opening / closing body 10 is forcibly performed by the sliding groove 29. The direction of pressing and pushing of the body 10 can be easily changed.

The block support frame 2 attached to the rod 27
8 and the mounting plate 24 to which the forward / backward drive source 25 is mounted, the slide guide 35 is mounted on one side and the rail 34 is provided on the other side, so that the lateral movement of the block support frame 28 in the moving direction is prevented. Then, the pressing against the fixed frame as an entrance when the opening and closing body 10 is closed, and the pushing out from the fixed frame as the entrance when opening and closing the opening / closing body 10 can be reliably performed, and the anti-lateral shake mechanism is only the rail. The number of parts is small, the structure is simple, and there is an effect of being resistant to failure. .

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of an engagement / disengagement drive device 22 constituting an engagement / disengagement device of an opening / closing body according to the present invention, wherein FIG. )
Shows a state after the opening and closing body 10 is pressed.

FIG. 2 is a front view of the state shown in FIG.

FIG. 3 is a front view of the entire opening and closing body according to the embodiment of the present invention applied to the case where the opening and closing body 10 is opened and closed by a swing.

FIG. 4 is a cross-sectional view showing one embodiment of a locking portion 23 constituting an opening / closing body engaging / disengaging device according to the present invention.

FIG. 5 is a front view of the entirety of another embodiment of the opening / closing body disengaging device according to the present invention, which is applied to a case where the opening / closing body 10 is opened and closed by sliding.

FIG. 6 is a front view showing a relationship between a door rail 53 and wheels 55 for moving the opening and closing body 10 in a lateral direction when the opening and closing body 10 is opened and closed by sliding.

FIG. 7 is a side view of FIG.

FIG. 8 is a front view showing a conventional electromagnetic wave shielding door 10.

FIG. 9 is a detailed perspective view of the shield member 20 in FIG.

[Explanation of symbols]

9: opening / closing body engaging / disengaging device, 10: opening / closing body, 11: blind, 1
2 ... pillar, 13 ... floor, 14 ... Kamoi, 15 ... opening and closing drive,
16 ... rotating shaft, 17 ... arm, 18 ... hinge, 19 ... handle, 20 ... press-contact member such as shield member, 21 ... cut,
22: engagement / disengagement driving device, 23: locking portion, 24: mounting plate,
25: forward / backward drive source, 26: guide cylinder, 27: rod, 28
... Block support frame, 29 ... Slide groove, 30 ... Slide block, 31 ... Slide block, 32 ... Closed position sensor, 33 ... Optical path hole, 34 ... Rail, 35 ... Slide guide,
36 ... upper limit position sensor, 37 ... lower limit position sensor, 38 ...
Shaft, 39 ... bearing, 40 ... holding lid, 41 ... door frame,
42 mounting frame, 43 flange, 44 flange, 4
5 bush, 46 bush, 47 coil spring, 4
8 ... lever, 49 ... grip, 50 ... lever guide hole, 51
... decorative board, 52 ... notch, 53 ... door rail, 54 ... wheel escape part, 55 ... wheel, 56 ... inclined part, 57 ... fitting door, 58 ... suspension frame.

Continued on the front page (51) Int.Cl. ⁶ Identification code FI H05K 9/00 H05K 9/00 E

Claims (5)

[Claims] 1. An opening / closing body disengaging device comprising an opening / closing body 10 provided on a fixed frame side via a pressure contact member 20 so as to be freely disengageable.
A locking portion 23 is provided on one of the peripheral portion of the opening and closing body 10 and the fixed frame side, and the fixed frame side and the opening and closing body 10 are provided.
An engagement / disengagement drive device 22 is provided at a position facing one of the other engagement portions 23 with the peripheral edge of the engagement portion 23. When the opening / closing body 10 is opened / closed, the engagement portion 23 engages / disengages with the engagement / disengagement drive device 22, An opening / closing body engaging / disengaging device characterized in that the opening / closing body 10 is pressed when closing and the opening / closing body 10 is pushed out when opening. 2. An opening / closing body disengaging device comprising an opening / closing body 10 provided on a fixed frame side via a press-contact member 20 so as to be freely detachable.
A locking portion 23 is provided on a side surface portion of the opening / closing body 10, and an engagement / disengagement driving device 22 is provided on a fixed frame side facing the locking portion 23,
When the opening and closing body 10 is opened and closed, the locking portion 23 is disengaged from the engagement and disengagement driving device 22 to push the opening and closing body 10 when closing and to push out the opening and closing body 10 when opening. Characteristic device for opening and closing the opening and closing body. 3. An opening / closing body disengaging device comprising an opening / closing body 10 provided on a fixed frame side via a press-contact member 20 so as to be freely detachable.
A locking portion 23 is provided on a side surface portion of the opening / closing body 10, and an engagement / disengagement driving device 22 is provided on a fixed frame side facing the locking portion 23,
When the opening / closing body 10 is opened / closed, the locking portion 23 is disengaged from the engagement / disengagement driving device 22 to push the opening / closing body 10 when closing and to push the opening / closing body 10 when opening, The locking portion 23 is rotatably fitted to the distal end side of the shaft 38, and the shaft 38 is provided so as to be able to advance and retreat from the side surface of the opening / closing body 10, and the locking portion 23 projects from the opening / closing body 10 to the outside. A coil spring 47 is provided, and a lever 48 provided integrally with the shaft 38 projects outside through a lever guide hole 50 in a plane portion of the opening / closing body 10, and projects outside the opening / closing body 10 by the coil spring 47. Locking part 23
The locking member 23 can be pulled into the opening and closing body 10 by pulling the lever 48 against the coil spring 47 and locking the lever 48 in the lever guide hole 50. Disengagement device. 4. An opening / closing body disengaging device in which the opening / closing body 10 is detachably provided on the fixed frame side via a press-contact member 20.
A locking portion 23 is provided on a side surface portion of the opening / closing body 10, and an engagement / disengagement driving device 22 is provided on a fixed frame side facing the locking portion 23,
When the opening and closing body 10 is opened and closed, the locking portion 23 is disengaged from the engagement and disengagement driving device 22, and pushes the opening and closing body 10 when closing and pushes the opening and closing body 10 when opening, The engagement / disengagement drive device 22 includes an advance / retreat drive source 25.
And a rod 27 that can be moved forward and backward by the forward and backward drive source 25.
And attached to this rod 27, and the oblique sliding groove 29
One end of the sliding groove 29 is opened on the entry side of the locking portion 23, and the sliding groove 29 forcibly presses and pushes the opening and closing body 10 by the sliding groove 29. An opening / closing body engaging / disengaging device characterized in that the opening / closing body is operated. 5. A block support frame 2 attached to a rod 27.
The slide guide (35) is mounted on the mounting plate (24), and a rail (34) is provided on the mounting plate (24) on which the forward / backward drive source (25) is mounted to prevent the block support frame (28) from moving laterally in the moving direction. The opening / closing body engaging / disengaging device according to any of the preceding claims.