JPH0988385A - Door switch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the operating easiness of a door switch by performing certainly the turn-on and turn-off of a switch element using the first and the second operational piece having a grip which moves in the direction as the push and darw of an opening door. SOLUTION: A door switch device 1 is composed of a receptacle piece 2 furnished at a wall opening and a lock body 3 furnished on an opening door. The lock body 3 is equipped with a locking rod 4 capable of advancing and retreating fore and aft, a detent piece 5 to detain the locking rod 4 in such a way as incapable of retreating in the projecting position, and the first and the second operational piece 12, 13 having a grip which moves in the same direction as the push and draw of the door. When the operational pieces 12, 13 are turned, disengaging metal pieces 6, 7 disengage the locking rod 4, while the piece 12 works solely to move an actuator piece 9. On the other hand, the receptacle piece 2 has a hole 20 in which the rod 4 is fitted and a switch element 23 to make turn-on and turn-off by contacting with the actuator piece 9 protruding. When a person coming into the room opens the door, the switch 23 is turned on, which is held even if the door is shut. When he is going out and opens the door, the switch is turned off, which is held even if the door is shut.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is capable of reliably turning a switch on and off by operating a first operation body and a second operation body having a handle portion that moves in the same direction as push-pull of an opening door.
The present invention relates to a door switch device that can improve operability.

[0002]

2. Description of the Related Art A door switch device has been developed which automatically turns on and off electric equipment such as a lighting device for a toilet and a ventilation fan by opening and closing an opening door.

As an example of such a door switch device, a device proposed by Japanese Examined Patent Publication No. 3-50066 is known. For example, this device employs a so-called two-stage latch mechanism, so that it can be used from inside the toilet. When closing the door, unless the lever is operated securely until the end, malfunctions (switch off) often occur.

Further, since the opening and closing of the opening door and the lever operation are not completely the same, the operation tends to be difficult for a person who does not know the operating principle.

Further, in the conventional lever handle, it is necessary to operate by twisting the wrist, and in particular, a weak person such as a child or an elderly person often feels inconvenience.

According to the present invention, the locking by the locking tool of the locking rod is released by the operation of the first and second operating bodies having the handle portion which moves in the same direction as the push and pull of the door. When the operating body is operated, it contacts the protruding operating piece and turns on the switch.
On the basis of turning off, for example, it is possible to surely prevent erroneous operation due to operation of the second operating body from the inside of the toilet, and to push and pull the opening door in the same direction as the first and second directions.
It is an object of the present invention to provide a door switch device capable of operating the operating body, and improving convenience and operability.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a metal fitting provided on one side edge of a wall opening and a lock provided on a free edge of an opening door pivotally supported by the other side edge of the wall opening. A door switch device comprising a main body, wherein the lock main body is capable of projecting from the free end edge of the opening door and is retractable forward and backward, and locks the lock rod in a projecting position in a non-retractable manner. And the first and second operating bodies having the grips arranged on both sides of the opening door and moving in the same direction as the pushing and pulling of the opening door, and the same direction of the first and second operating bodies. Is operated to move back and forth from the neutral position to release the locking of the locking rod by the locking tool, and an operating piece protruding at a different position by operating the first operating body. At the same time, the receiving bracket comes into contact with the projecting operation piece and the hole into which the lock rod is fitted, and is turned on and off. And a switch to.

The locking rod has a tip portion having an engagement surface extending in the front-rear direction and a guide surface oblique to the front-rear direction, and is pushed toward the guide surface while being pushed by the engagement surface. It consists of a front metal fitting that is drawn into the free edge side, and a rear metal fitting that receives this front metal fitting and that can be moved backward by falling the front metal fitting and that is biased forward by spring means. It is desirable to provide a temporary surface that is locked so that it cannot be retracted.

Further, it is desirable that the lock main body has a slide piece which is selectively held together with the operation of the first operating body, and the operating piece moves in association with the slide piece.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 12, a door switch device 1 of the present invention includes a receiving metal fitting 2 provided on one side edge of a wall opening, and a free end edge of an opening door D pivotally supported by the other side edge of the wall opening. And a lock body 3 provided in the.

As shown in FIGS. 1 (A), 2 and 3, the lock body 3 is locked with the lock rod 4 in a rectangular parallelepiped case 25 embedded in the free edge of the door D. Tool 5 and 2 in this embodiment
One release metal fitting, that is, the first and second release metal fittings 6, 7 and the operating piece 9 and the slide piece 10 are provided, and they are moved to both sides of the open door D in the same direction as the push and pull of the open door D. First and second operating bodies 1 having handles 11A and 11B
2 and 13 are arranged.

In the present embodiment, the opening door D opens and closes the wall opening provided in the wall that separates the small room R such as a toilet from the corridor C, and the free end side toward the corridor C is opened. In addition, the first operating body 12 is arranged on the surface of the opening door D facing the corridor C, and the second operating body 13 is arranged on the surface of the opening door D facing the small room R.

The lock rod 4 is opened in a rectangular parallelepiped inner case 26 mounted above the inside of the case 25.
Is arranged so as to be able to project from the free edge of and to move forward and backward so that it can be immersed.

The lock rod 4 has a vertical engaging surface 14 extending in the front-rear direction and facing the corridor C, and a vertical guide surface 15 tilting obliquely with respect to the front-rear direction and facing the small room R. And a front metal fitting 17 composed of a front end portion 16 narrowing toward the front end and a rear end portion 30 projecting rearward from the rear surface of the front end portion 16, and the front metal fitting abutting on the rear end of the front metal fitting 17. It comprises a rear metal fitting 19 for receiving 17 at the rear.

The front metal fitting 17 projects from a hole formed in a front plate 27 for closing the front end of the case 25 by the front end portion 16, and a projection 29 provided on the rear end of the upper and lower surfaces of the front end portion 16. .. comes into contact with the rear surface of the front plate 27 to prevent the front plate 27 from coming off.

Further, the rear end portion 30 projects rearward at a height intermediate position of the rear surface of the front end portion 16 and the front end portion 1 is formed.
By forming the rear surface of the rear end portion 30 as an inclined surface 31 that is oblique with respect to the front-rear direction and faces the corridor C while being integrally formed with the front metal member 6, the front metal fitting 17 has a substantially parallelogram shape in plan view.

The front metal fitting 17 is a metal base 1 at the center.
The portions 17B and 17C made of synthetic resin are fixed to both surfaces of 7A with screws or the like.

The front fitting 17 of the front fitting 17 is shown in FIG.
As shown in (A), (B), and (C), the hole portion 20 formed by the upper bracket 32 having a substantially hat-shaped cross section that constitutes the bracket 2 is formed.
The projection position X that is fitted into the
(B), as shown in FIG. 5 (B), the engaging surface 14 is pushed toward the guide surface 15 by being pushed by the side edge of the upper receiving member 32 on the corridor C side (while rotating). It can be moved to the retracted position Y where it is retracted to the free end side (hereinafter referred to as the collapse of the front fitting 17).

Further, the rear metal fitting 19 has the front metal fitting 1 on the front portion.
7 has a substantially rectangular parallelepiped shape provided with a concave portion 33 into which the rear end portion 30 can be fitted. By fitting the rear end portion 30 into the concave portion 33, the front metal fitting 17 is received, and the front metal fitting 17 is collapsed to cause an inner case. It can be moved backwards in 26 and the rear bracket 19
It is urged forward by the spring means 21 which is bridged between the rear surface and the rear plate 26A of the inner case 26.

Incidentally, on the front surface of the rear metal fitting 19 and above and below the recess 33, contact plates 34, 34 made of synthetic resin are attached to facilitate the contact with the front metal fitting 17, and the rear metal fitting 19 is attached. On both sides of the rear end of the lower surface, the locking member 5
The abutting surfaces 22A and 22B, to which is locked, are formed by the front surfaces of the cutout portions 35 and 35 cut out from the rear end of the rear metal fitting 19 to the front.

As shown in FIG. 1 (A) and FIG. 2, the engaging member 5 is a pair of engaging members pivotally supported by a shaft body 36 provided between the side plates of the case 25 below the inner case 26. Cylindrical connecting fitting 3 which penetrates the stoppers 37A, 37B and the shaft 36 and integrally connects the locking fittings 37A, 37B.
9 and 9.

The front ends of the locking fittings 37A and 37B can lock the abutting surfaces 22A and 22B of the rear fitting 19, respectively, whereby the front fitting 17 of the locking rod 4 is pushed to the projecting position X.
It can be held non-retractable with. The locking tool 5 is biased by an appropriate spring means in a direction in which its front end faces upward.

Further, the locking portions 40, 40 provided at the rear ends of the locking metal fittings 37A, 37B, which bulge downward, respectively, are the first,
It is locked by the second release fittings 6, 7. First, second
The release metal fittings 6, 7 are provided with recesses 42, 42 for locking the locking portions 40, 40 on the upper surfaces of the vertical flat plate-shaped boards 41, 41 extending in the front-rear direction, and on the upper front end of each substrate 41. A protruding piece 43 protruding forward is provided.

A slide piece 10 having a U-shaped recess 44 on the upper surface is disposed between the first and second release fittings 6 and 7, and the lower end portion of the slide piece 10 is separated. The operating piece 9 is linked through a connecting body 45 that is bent in a letter.

Further, the first and second release fittings 6 and 7 and the slide piece 10 are supported by an appropriate receiving plate (not shown) so as to be movable in the front-rear direction, and the first and second release fittings are also provided.
The release metal fittings 6 and 7 are moved back and forth from the neutral position Z shown in FIG. 1A by operating the first and second operating bodies 12 and 13 in the same direction. At the neutral position Z, the locking portion 4 provided on the locking metal fittings 37A, 37B of the locking tool 5 is provided.
When 0 and 40 are locked in the recesses 42 and 42, the front ends of the locking fittings 37A and 37B are locked to the abutting surfaces 22A and 22B of the rear fitting 19 of the locking rod 4, and the rear fitting 19 is It cannot be retreated.

The actuating piece 9 has an actuating metal fitting 49 having a conical tip portion 47 projecting from a hole formed in the front plate 27 at a base portion 46 of which the front end abuts against the front plate 27 of the case 25. Therefore, the actuating fitting 49 can be freely retracted when opening and closing the opening door D.

Further, the first and second operating bodies 12 and 13 are
As shown in FIG. 3, the vertical grip portions 11A and 11B that move in the same direction as the push and pull of the opening door D are attached to the lever-like bodies 50 ... The lever-shaped body 50 of the operating body 12 is fixed to a vertical support shaft 51A standing in a recess provided in the surface of the opening door D on the side of the corridor C and is fixed to the first release fitting 6 of the first release fitting 6. The recess 4 of the slide piece 10 is penetrated through the rectangular hole 52A.
The pin 53A inserted into the No. 4 is fixed on the corridor C side of the support shaft 51A.

Therefore, by gripping and pushing the grip portion 11A of the first operating body 12, the first release fitting 6 is released.
Can be moved back and forth from the neutral position Z (forward movement when pushed, backward movement when pulled) via the pin 53A, and the locking portion 40 of the locking tool 5 is disengaged from the recess 42 and the locking tool 5 is moved. The front is rotated downward around the shaft body 36 to release the locking of the rear metal fitting 19 of the locking rod 4 by the locking tool 5 to the contact surface 22A. In addition, in FIG. 3, the handle portion 11A is pushed to push the pin 53A.
Is indicated by the alternate long and short dash line when the first release fitting 6 is moved forward.

The slide piece 10 is the first operating body 1.
By pushing and pulling operation 2 of FIG. 2, the operation piece 9 is selectively held at the front (front position U1) or the rear (rear position U2) via the pin 53A, and at the front position U1 of the slide piece 10, the operating piece 9 is As shown in FIG. 1 (A), the operating piece 9 is located below (lower position V1) near the lower plate of the case 25, and at the rear position U2, the operating piece 9 is above (upper) than the lower position V1 as shown in FIG. Position V2).

In this way, the first operating body 12 is operated by pushing and pulling the handle portion 11A of the first operating body 12 so that the slide piece 1 is moved.
In cooperation with 0, the operating piece 9 is moved so as to project at a different position, that is, the lower position V1 or the upper position V2.

The lever-like body 50 of the second operating body 13 ...
Is a pin fixed to a vertical support shaft 51B standing in a recess provided on the surface of the opening door D on the side of the small room R and inserted into the rectangular hole 52B of the second release fitting 7. 53B
It is fixed to the small chamber R side of the support shaft 51B.

Therefore, by gripping and pushing and pulling the handle portion 11B of the second operating body 13, the second release metal fitting 7 moves back and forth from the neutral position Z (forward movement when pushed, backward movement when pulled). The rear metal fitting 1 of the lock rod 4 by the locking tool 5 by the forward and backward movement.
9, the engagement of the abutting surface 22B is released. The case where the pin 53B is moved backward by pulling the grip portion 11B and the second release metal fitting 7 is moved rearward is shown by a dashed line in FIG.

The first and second operating bodies 12 and 13 automatically return to the neutral position from the state of being pushed and pulled by the spring means 54 and 54 wound around the support shafts 51A and 51B.

The receiving fitting 2 is the front fitting 1 of the lock rod 4.
The upper metal receiving object 32 forming the hole portion 20 into which the 7 is fitted.
And a lower metal receiving member 55 having a substantially hat-shaped cross section in which a switch 23 that comes into contact with the projecting operating piece 9 and turns on and off is arranged.

In the present embodiment, the switch 23 is a so-called proximity switch 2 which is turned off when the projecting operating piece 9 is in the lower position V1 and is turned on when it is in the upper position V2.
Consists of four.

The door switch device 1 according to this embodiment will be described below.
Will be described. First, as shown in FIGS. 1 (A), (B), and (C), when a person is not in the small room R such as a toilet, the tip 16 of the front metal fitting 17 of the locking rod 4 is the receiving metal fitting. The lock rod 4 is fitted into the second hole 20 and is locked at the protruding position X by the locking tool 5 so as not to be retractable. The first and second release fittings 6 and 7 are at the neutral position Z for locking the locking tool 5, and the rear edge of the pin 53A substantially abuts the rear portion of the recess 44 of the slide piece 10. Further, the pin 53B is also vertically displaced from the pin 53A and arranged at the same position in the front-rear direction, while the operating piece 9 is held in the lower position V1 so as to project and come into contact with the proximity switch 24. The proximity switch 24 is off. Therefore, the lighting equipment, the ventilation fan, and other electric devices in the small room R are not operating. Note that the first and second release fittings 6 and 7 pass through the elongated holes extending in the front-rear direction provided in the protruding pieces 43 and 43 at the neutral position Z and are bridged in the case 25 (both are shown in the drawing). Held).

When a person tries to enter the small room R and pulls the grip portion 11A of the first operating body 12 a little toward the corridor C side as shown by the arrow in FIG. 4 (C), as shown in FIG. 4 (A). The first release fitting 6 is moved backward by the backward movement of the pin 53A,
By rotating the locking tool 5 counterclockwise around the shaft body 36 in FIG. 4 (A), the locking of the locking rod 4 with the rear metal fitting 19 by the locking tool 5 is released. Therefore, the rear metal fitting 5 can be moved backward, and the front metal fitting 17 can be collapsed and the opening door D can be opened as shown in FIG. 4 (B).

Further, by pulling the handle portion 11A of the first operating body 12 toward the corridor C side, the slide piece 10 is moved to the front position U by the backward movement of the pin 53A as shown in FIG. 5 (A).
From 1 to the rear position U2, the operating piece 9 is moved to the upper position V2 via the connecting body 45. Therefore, the proximity switch 24 is turned on, and the lighting equipment of the small room R,
Operate electric devices such as ventilation fans. Further, as shown in FIG. 5 (B), the front metal fitting 17 is temporarily moved to the retracted position Y by being collapsed, and then the front door 17 is opened as shown in FIG. 5 (C).
When is opened, it is returned to the original projecting position X by the forward movement of the rear metal fitting 19 by the spring means 21.

When the hand is released from the handle portion 11A of the first operating body 12, the first release fitting 6 is restored to the neutral position Z by the forward movement of the pin 53A, as shown in FIG.
The locking tool 5 is locked to lock the rear fitting 19 so that it cannot move backward. Since the pin 53A moves forward in the recess 44, the slide piece 10 is held at the rear position U2, and thus the operating piece 9 is also held at the upper position V2.

When a person enters the small room R and pulls the handle portion 11B of the second operating body 13 toward the small room R as shown by the arrow in FIG. 7B, it is shown in FIG. 7A. So that the pin 53
By the backward movement of B, the second release metal fitting 7 is moved backward, and the locking of the rear metal fitting 19 by the locking tool 5 is released. Therefore, the front metal fitting 17 can be moved backward. At this time as well, the pin 53B moves backward in the recess 44, so that the slide piece 10 and the operating piece 9 are held at the rear position U2 and the upper position V2, respectively.

In this state, the handle portion 11 of the second operating body 13
When B is continuously pulled, as shown in FIG. 8, the guide surface 15 of the front metal fitting 17 hits one side edge of the wall opening to move the front metal fitting 17 backward, and when the opening door D is closed, the front metal fitting 17 is pulled. Is formed by the spring means 21 and the hole 20
(See FIG. 9B).

When the hand is released from the handle portion 11B of the second operating body 13, the second operating body 13 is released as shown in FIG. 9 (A).
By the restoration of the spring means 54, the pin 53B moves forward to move the second release metal fitting 7 forward to the neutral position Z, whereby the locking tool 5 locks the locking portion 40 in the recess 42. At the front end, the rear fitting 19 of the locking rod 4 is locked so that it cannot be moved backward. Since the operating piece 9 is held at the upper position V2, the proximity switch 2
4 will remain in the ON state.

As described above, even when the opening door D is closed from the inside of the small room R, the switch 23 can be surely kept in the ON state by the natural operation of pulling the handle portion 11B of the second operating body 13, and a malfunction (switch 23) can be prevented to improve usability.

The open door D is locked so that it cannot be opened by an appropriate locking means that can be operated from inside the small room R.

Next, when a person leaves the small room R,
As shown by the arrow in FIG. 10B, the grip portion 11B of the second operating body 13 is pushed toward the corridor C side. Along with this, the pin 53
B further moves forward as shown in FIG. 10 (A) to move only the second release metal fitting 7 forward from the neutral position Z, so that the locking rod 5 is released from the locking lever 4 and the locking lever 5 is released. The metal fitting 17 is immersed by the fall and the opening door D can be opened. At this time, the slide piece 10 has the pin 53B.
Therefore, the operating piece 9 is held at the upper position V2.

When the hand is released from the handle portion 11B of the second operating body 13 (see FIG. 11B), the pin 53B is automatically moved backward by the spring means 54 as shown in FIG. 11A. Then, the second release fitting 7 is returned to the neutral position Z, and the rear fitting 19 of the locking rod 4 is locked by the locking tool 5 so that it cannot be moved backward.
The slide piece 10 is held at the rear position U2.

Further, when a person exits the small room R and is shown in FIG.
When the handle portion 11A of the first operating body 12 is pushed as shown in (B), the pin 53A moves forward as shown in FIG. 12 (A), and the first release fitting 6 is moved from the neutral position Z to the front. The lock piece 4 is moved to release the lock of the lock rod 4 by the lock tool 5, and the slide piece 10 is also moved forward by the forward movement of the pin 53A to move to the front position U1. Therefore, the operating piece 9 moves to the lower position V1 via the connecting body 45 and the front metal fitting 17
The guide surface 15 is pushed by the closing of the opening door D, moves backward once, and then fits into the hole 20. Further, the opening door D closes the wall opening portion to close the handle portion 11 of the first operating body 12.
When the hand is released from A, the state returns to the state shown in FIG. At this time, since the operating piece 9 is in contact with the proximity switch 24,
The electric equipment such as the lighting equipment and the ventilation fan in the small room R are turned off and the operation is stopped.

As described above, the door switch device 1 of the present invention is
Handle part 11 that moves in the same direction as the push and pull of the door D
By operating the first and second operating bodies 12 and 13 having A and 11B, the switch 23 can be surely turned on and off by a simple operation to open and close the open door D, and operability can be improved.

In this embodiment, the case where the opening door D is opened to the side of the corridor C, that is, a so-called outside opening, is shown. However, the switch 23 is turned upward or the operating piece 9 comes into contact so that the door is turned on and separated. By using a proximity switch that is turned off by doing so, the opening door D can also be made to be an inward opening for opening to the small room R side.

13 to 16 show a door switch device 1 according to the present invention.
The other form of implementation of is shown. In the present embodiment, the lock main body 3 provided at the free end edge of the hinged door accommodates the lock rod 4, the locking tool 5, the release fitting 6A, the slide piece 10 and the operating piece 9 in the case 25.

The lock rod 4 has an engaging surface 14 and a guide surface 15.
A front metal fitting 17 which has a tip portion 16 having and which is pulled inward from the projecting position X by pushing the engagement surface 14.
And a rear metal member 19 for urging the front metal member 17 forward.

The locking tool 5 has a seesaw shape pivotally supported between the front end and the rear end, and locks the rear metal fitting 19 at the front end to hold the front metal fitting 17 at the projecting position X in a non-retractable manner. At the same time, the release metal fitting 6A has a V-shaped groove portion 59 at the upper edge into which the rear end of the locking tool 5 is inserted and is moved back and forth to lock the locking tool 5.
The rear end is pushed up by the V-shaped groove portion 59 to form a plate shape for releasing the locking of the locking tool 5 to the rear fitting 19.

The slide piece 10 is arranged side by side with the release fitting 6A so as to be movable back and forth and pivotally attaches one end of a connecting body 45 pivotally supported to the case 25, and by the other end of the connecting body 45, as shown in FIG. As shown in FIG. 15 and FIG.
0 is tilted so that the two actuating pieces 9, 9 are selectively projected from two different upper and lower positions. The wing piece 60 moves to the frontmost along the cylindrical tool 65 in the vertical state shown in FIG. 15, and is biased rearward by the spring 66. 13 and 14, the long hole 69 for allowing the boss portion 67 protruding from the front surface of the wing piece 60 to be supported by the side plate of the case 25 so as to be movable back and forth is shown by a chain line.

A bracket 2 provided on one side edge of the wall opening
Is a hole 2 into which the front metal fitting 17 in the protruding position X is fitted.
0, a top metal fitting 32, a switch 23 including a normally-on micro switch that operates when the projecting actuating pieces 9 hit the two positions where the actuating pieces 9, 9 project, and a non-actuating dummy part. The lower support fitting 55 accommodates 61 and 61 so as to be repositionable.

For example, in the case of an open door that opens into the corridor, first pull the first operating body on the corridor side to move the pin 53A backward, and then move both the release metal fitting 6A and the slide piece 10 backward. The locking piece 4 is unlocked by the stopper 5, and the operating piece 9 that contacts the dummy portion 61 is connected to the slide piece 10.
And is projected through the connecting body 45 and the wing piece 60. The switch 23 is turned on when the door is opened.

When the operator enters the small room and pulls the second operating body, the pin 53B moves backward, and only the release fitting 6A moves backward to allow the locking rod 4 to retract, and when the opening door is closed,
The actuating piece 9 hits only the dummy part 61 and the switch 23
Therefore, the switch 23 continues to be in the ON state.

When the second operating body is pushed to leave the room, the pin 53
B is moved forward and only the release metal fitting 6A is moved forward to move the lock rod 4
Can be retracted and the door can be opened. At this time, the switch 23 continues to be in the ON state.

Next, when the first operating body is pushed to close the opening door, both the release fitting 6A and the slide piece 10 are moved forward by the forward movement of the pin 53A, enabling the closing by the opening door. At the same time, the operating piece 9 corresponding to the switch 23 is projected, and the normally-on switch 23 is turned off by being pushed by the operating piece 9.

In this embodiment as well, the opening door is an outside opening, but it may be an inside opening. At this time, the push-pull operation of the first and second operating bodies is reversed, and the position of the switch 23 can be changed. By flipping the dummy part 61 up and down,
The same function can be obtained, and the number of product numbers can be reduced.

[0060]

As described above, the door switch device of the present invention is
First and second operating bodies having handle portions arranged on both sides of the opening door and moving in the same direction as the push and pull of the opening door, and a neutral position by operating the first and second operating bodies in the same direction. A lock including a release metal piece that is moved back and forth from the lock to release the lock of the lock rod by the lock, and an operating piece that projects at different positions by the operation of the first operating body and that turns on and off a switch provided on the receiving metal piece. The main body is arranged on the open door. Therefore, for example, the movement of the actuating piece due to the operation of the second operation body facing the toilet can be eliminated, so that an erroneous operation such as a switch disconnection due to the operation of the second operation body can be reliably prevented, and the first, Second
With the simple operation of opening the handle of the operating body in the same direction as pushing and pulling the door, the lock is released and the switch is turned on.
Since it can be turned off, even a person who does not know the principle of operation can operate the first and second operating bodies reliably and easily without malfunction, which can improve the operability, and in addition to the conventional lever handle. There is no need to twist the wrist like this, and it is convenient for children and the elderly to open and close the door to automatically turn the switch on and off.

The door switch device of the present invention can be applied to a so-called inward opening in which a door is opened toward a small room such as a toilet, or a so-called outward opening in which a door is opened toward a corridor or the like.

In the invention of claim 2, the lock rod is
When the front metal fitting that is retracted while falling down and the rear metal fitting that can be moved backward when the front metal fitting is tilted is provided, and when the rear metal fitting is provided with the present surface for engaging the locking tool, the protrusion of the locking rod,
It is possible to smoothly operate the sinking by projecting and falling of the front fitting, and in conjunction with the release of the locking tool from the rear fitting due to the forward and backward movement of the release fitting by the operation of the first and second operating bodies,
The door can be opened and closed with good operability.

Further, in the invention of claim 3, when a slide piece is provided which is selectively held together with the operation of the first operating body and is linked to the operating piece to move the operating piece, the second operating case is provided. It is possible to more reliably prevent the movement of the operating piece through the slide piece due to the operation of the body, for example, it is possible to eliminate a malfunction such as switching off by the second operating body in the toilet, and for example, the first operating body facing the corridor. The operation piece can be reliably moved through the slide piece, and the switch can be turned on and off conveniently without malfunction.

Further, in the invention of claim 4, when the switch is a proximity switch, it is possible to surely turn on / off the switch by the moving operation piece.

[Brief description of drawings]

FIG. 1A is a sectional view showing an embodiment of the present invention,
(B) is an enlarged plan view showing the lock rod, and (C) is a plan view showing a closed state of the opening door.

FIG. 2 is a partially exploded perspective view showing an embodiment of the present invention.

FIG. 3 is a cross-sectional view showing first and second operating bodies.

FIG. 4 is a diagram showing the operation of the door switch device of the present invention.

FIG. 5 is a diagram showing the operation of the door switch device of the present invention.

FIG. 6 is a diagram showing an operation of the door switch device of the present invention.

FIG. 7 is a diagram showing the operation of the door switch device of the present invention.

FIG. 8 is a diagram showing an operation of the door switch device of the present invention.

FIG. 9 is a diagram showing the operation of the door switch device of the present invention.

FIG. 10 is a diagram showing the operation of the door switch device of the present invention.

FIG. 11 is a diagram showing the operation of the door switch device of the present invention.

FIG. 12 is a diagram showing the operation of the door switch device of the present invention.

FIG. 13 is a sectional view showing another embodiment of the present invention.

FIG. 14 is a partial perspective view thereof.

FIG. 15 is a partial cross-sectional view showing the operation of the operating piece.

FIG. 16 is a partial cross-sectional view showing the operation of the operating piece.

[Explanation of symbols]

 2 Receiving metal fitting 3 Lock body 4 Lock rod 5 Locking tool 6, 6A, 7 Release metal fitting 9 Operating piece 10 Sliding piece 11A, 11B Handle part 12 First operating body 13 Second operating body 14 Engaging surface 15 Guide surface 16 Tip part 17 Front metal part 19 Rear metal part 20 Hole part 21 Spring means 22A, 22B For the time being 23 Switch 24 Proximity switch D Open door X Projection position Z Neutral position

Claims (4)

[Claims] 1. A bracket provided on one side edge of the wall opening,
A door switch device comprising a lock main body provided on a free end edge of an opening door pivotally supported at the other side edge of the wall opening, the lock main body being capable of protruding from the free end edge of the opening door and being retracted. A locking rod that can be moved back and forth, a locking device that locks this locking rod in a protruding position so that it cannot be retracted, and a handle that is arranged on both sides of the open door and that moves in the same direction as the push and pull of the open door. By operating the first and second operating bodies that they have and the first and second operating bodies in the same direction, they move back and forth from the neutral position, and by this back and forth movement, the locking of the locking rod by the locking tool is released. Release metal fittings,
In addition to the operation piece protruding at different positions by the operation of the first operation body, the receiving metal fitting has a hole portion into which the locking rod is fitted, and a switch which comes into contact with the operation piece protruding and is turned on and off. A door switch device having. 2. The lock rod includes an engagement surface extending in the front-rear direction,
A front metal fitting having a front end portion having a guide surface oblique to the front-rear direction, which is pushed toward the guide surface by being pushed by the engaging surface and is drawn toward the free end edge side, and a front metal fitting for receiving the front metal fitting. It consists of a rear metal fitting that can be moved backward by falling down and is urged forward by spring means.
2. The door switch device according to claim 1, wherein the locking member is provided with an abutting surface on which the locking member is locked so as not to be retractable. 3. The lock main body has a slide piece which is selectively retained when the first operating body is operated, and the operating piece moves in association with the slide piece. Door switch device according to 1. 4. The door switch device according to claim 1, wherein the switch is a proximity switch.