JP7184964B2 - transmitter - Google Patents

Description

TECHNICAL FIELD The present invention relates to an emergency notification transmitter, and more particularly to a technique effectively used for a fire transmitter that is installed on a wall of a building and is operated when a fire breaks out to give an alarm.

BACKGROUND ART Conventionally, a fire alarm system is installed inside a building in order to notify the occurrence of a fire. A fire alarm system consists of a manual fire alarm equipped with a fire detector and push button switch, a receiver, a fire alarm bell, and indicator lamps. installed at a high height. When a fire breaks out, the finder presses the push button switch of the fire transmitter strongly, and a signal notifying the fire is transmitted to the receiver, and an alarm sound is emitted from the bell installed near the fire transmitter. It is possible to notify people in the vicinity of the occurrence of a fire.

Such a fire transmitter is generally disc-shaped, and the fire transmitter main body includes the push button switch and a telephone jack for communicating with the monitor of the receiver. It has a built-in circuit for transmitting signals in the event of an accident, and is installed so as to be embedded in the wall of the building. Furthermore, a front cover is provided on the front of the fire transmitter body to cover the indoor exposed portion of the fire transmitter body, and the front cover has an opening for exposing the push button switch and a storage recess for storing the return button and telephone jack. In addition, a door is provided that covers the front surface of the storage recess and can be opened and closed as needed. As such a fire alarm, there is one described in Patent Document 1, for example.

On the other hand, indicator lights are devices provided to indicate the installation positions of disaster prevention equipment such as transmitters and fire hydrant boxes. Further, in recent years, a flat-type indicator light having a flat or disk-shaped front surface and an indicator light integrated with a transmitter have been put to practical use. An invention relating to a flat-type indicator lamp is disclosed, for example, in Patent Document 2, and an invention relating to an indicator lamp integrated with a transmitter is disclosed in Patent Document 3, for example. .

Japanese Utility Model Laid-Open No. 04-40395 JP 2015-56205 A JP 2014-157446 A

Conventional general fire alarms are relatively large disk-shaped and do not have indicator lights, so there are restrictions on where to install them, and it is necessary to install indicator lights nearby as required by the Fire Service Act. There was a problem of low flexibility, such as being unable to respond in some cases.
On the other hand, since conventional general cannonball-shaped indicator lights may become obstacles in normal use of buildings such as traffic and carry-in work, a thin shape is desired.
Although the transmitter and indicator lamp described in Patent Document 3 can be integrated to some extent to meet the above-mentioned demands, those configured to be fixed using a large number of screws are not suitable for use on the wall of a building. It is troublesome to install the In addition, although it is a thin shape, the indicator lamp is configured in a ring shape that surrounds the entire circumference of the transmitter, so if you try to ensure sufficient visibility, the overall size will be large. is fixed, if miniaturization is prioritized, the visibility of the indicator lamp is reduced.

In addition, since the device described in Patent Document 3 is based on the premise that the transmitter and the indicator light are always combined and installed, it is difficult to install the transmitter alone, and flexibility is limited. I had the problem of being low.
The present invention has been made in view of the above-mentioned problems, and its purpose is to eliminate the restrictions on the mounting location as compared with the conventional ones, and to flexibly adapt to the installation location and environment. To provide a transmitter capable of coping.

In order to solve the above problems, the present invention
A main body case having a push button that can be operated from the front and detection means capable of detecting that the push button has been operated; A transmitter in which a circuit board on which a circuit for generating a signal to be output to the outside according to the state of the detection means is mounted is housed inside,
The mounting base includes a frame that can be engaged with at least a portion of the main body case, a flange provided at the front end of the frame, and a flange provided at the outer edge for mounting the transmitter on the mounting surface. and a threaded portion for
The main body case includes a housing frame portion that engages with the frame body portion, and the housing frame portion is provided with a hole through which a screw for mounting the transmitter can be inserted,
With the housing frame positioned forward of the mounting surface, the mounting screws are inserted into the holes provided in the housing frame to form an opening through which the main body case can be inserted and a screw hole. a mode in which the transmitter is attached by screwing it into the screw hole of an installation surface or an installation plate provided on the installation surface ; and the rear surface of the flange portion is in contact with the front surface of the mounting surface, the screw portion of the ring-shaped nut is screwed into the screw portion of the outer edge portion of the mounting base body projecting to the rear portion. The transmitter is attached to the mounting surface in one of two modes: one is to attach the transmitter by pressing the transmitter to the other.

According to the above configuration, the transmitter is mounted with the housing frame positioned forward of the mounting surface, and the body case is inserted into the opening of the mounting surface so that the rear surface of the flange portion faces the front surface of the mounting surface. Since it is possible to select a mode in which the transmitter is attached while in contact with each other, flexibility is improved. In addition, in a mode in which the transmitter is mounted with the rear surface of the flange part in contact with the front surface of the mounting surface, the amount of protrusion from the mounting surface, that is, the wall surface, can be considerably reduced, making it difficult for the building to pass through and carry-in work. The transmitter does not become an obstacle in normal use.

Here, desirably, the front surface of the frame portion is flat and configured to form a plane continuous with the front surface of the flange portion.
According to such a configuration, the front surface of the transmitter becomes flat, so that it is possible to prevent a collision or a snag during passage.

Also, preferably, the threaded portion is a partial thread forming a part of a continuous male or female thread formed at least at two locations on the outer edge of the frame portion except for the front side and the rear side. make it
According to this configuration, the transmitter can be attached to a panel such as the door of the fire hydrant box with a single screw (ring-shaped) that can be screwed into the partial screw provided on the frame body, which improves workability. will improve.
Here, it is preferable that the partial thread is a double thread. As a result, tightening and removal can be performed in a short time. In addition, since the locations where the screws start to engage during installation are arranged opposite each other (two locations at 180° intervals), screwing can be started by rotating the ring-shaped nut a maximum of 180°, making installation work easier. become.

According to the present invention, it is possible to realize a transmitter that is free from restrictions on the mounting location as compared with conventional transmitters and that can be flexibly adapted according to the installation location and environment.

1 shows a first embodiment of a fire transmitter according to the present invention, (A) is a front view of the transmitter, and (B) is a side view of the transmitter. It is an exploded perspective view showing an internal structure of a fire alarm of an example. It is the perspective view which looked at the fire transmitter of an Example from diagonally back. It is the longitudinal cross-sectional view which cut|disconnected in the center of the fire transmitter of an Example, and showed the internal structure. Fig. 2 is an enlarged perspective view of a main part showing the structure of a push button rotation support portion inside the main body case that constitutes the fire alarm of the embodiment; It is a perspective view which shows a mode at the time of attaching the fire transmitter of an Example to panels, such as a door of a fire hydrant box. Fig. 2 shows the relationship between the mounting base body and the fixing nut that constitute the fire transmitter of the embodiment, (A) is a cross-sectional view showing the state in which the fixing nut is brought closer to the mounting base body, and (B) is the mounting base. FIG. 4 is a cross-sectional view showing a state in which an unthreaded portion of a fixing nut is fitted to an unthreaded portion of a body; Fig. 2 is a perspective view showing a second embodiment of a fire transmitter (transmitting device) according to the present invention; FIG. 10 is a perspective view showing a specific example of a decorative panel that constitutes the fire transmitter (transmitting device) of the second embodiment; It is a perspective view which shows a mode at the time of attaching the fire transmitter (transmitting device) of 2nd Example to panels, such as a door of a fire hydrant box. FIG. 11 is a perspective view showing a third embodiment of the fire transmitter (transmitting device) according to the present invention; FIG. 11 is a perspective view showing a specific example of an indicator light that constitutes the fire transmitter (transmitting device) of the third embodiment; It is a perspective view which shows a mode at the time of attaching the fire transmitter (transmitting device) of 3rd Example to panels, such as a door of a fire hydrant box. (A) to (C) are diagrams showing modifications of the decorative panel of the second embodiment and the indicator lamp of the third embodiment, respectively.

An embodiment of a fire alarm to which the present invention is applied will be described below with reference to the drawings.
A fire transmitter (hereinafter simply referred to as a transmitter) 10 of this embodiment sends a signal to the receiver notifying the occurrence of an abnormality by pressing the push button strongly to turn on an internal switch when an abnormality such as a fire occurs. It has a transmission function and is configured to be used by being installed on the wall of a building or the door of a fire hydrant box. Specifically, the transmitter of this embodiment includes a transmitter body having a push button switch, fixing means consisting of a ring-shaped nut for attaching the transmitter body to a wall surface or the like, and the transmitter body and the transmitter body. It consists of an indicator lamp or a decorative plate, etc.

(First embodiment)
1 to 4 show the transmitter of the first embodiment. Among these, FIG. 1(A) is a front view of the transmitter, FIG. 1(B) is a side view of the transmitter, FIG. 2 is an exploded perspective view of the transmitter, and FIG. FIG. 4 is a vertical cross-sectional view taken at the center of the fire alarm shown in FIG. 1 to show the internal structure.
As shown in FIG. 1, the transmitter of the first embodiment comprises a transmitter 10 having a push button 11 at the center of the front surface, and a ring-shaped nut 20 as fixing means for mounting the transmitter 10 on a wall surface or the like. and

The transmitter 10 has a main body case 12 which has an oval shape when viewed from the front (a shape obtained by cutting a circle vertically along two parallel lines and excluding the cut left and right arcuate portions) and having a push button 11 approximately in the center. , and a mounting base body 13 having a storage frame portion 13A on the back thereof, which engages with the front end portion of the main body case 12 . The mounting base body 13 has a substantially flat front panel portion, and an upper flange portion 13B1, a lower flange portion 13B2 and a lateral flange portion 13B3 (see FIG. 3) are provided at the edges of the front panel portion. An opening 13C through which the front surface of the push button 11 faces is formed in the center. Further, the storage frame portion 13A of the mounting base body 13 has upper and lower surfaces each formed in an arc shape forming a part of a cylinder, and partial male screws 13D1 and 13D2 to which a ring-shaped nut 20 can be screwed on the peripheral surfaces thereof. is formed.

Further, a storage recess 13E (see FIG. 2) is formed on the front surface of the mounting base body 13 above the opening 13C, and a small door 14 is provided so as to cover the front side of the storage recess 13E. . The small door 14 is formed with ribs 14a, 14a having a predetermined height along the vertical direction on both sides thereof, and guide grooves 14b are formed on the outer surfaces of the ribs 14a, 14a. The guide groove 14b is engaged with a projecting portion 13a formed on the side wall surface of the storage recess 13E, and one end (upper end in FIG. 2) of the guide groove 14b is closed. . In the bottom wall of the storage recess 13E, a horizontally long rectangular opening 13b corresponding to the cross-sectional shape of the small door 14 is provided at a height corresponding to the projecting portion 13a. A screw insertion hole 13e is formed through which a drop-off prevention screw 23 is inserted to prevent this.

With the above-described configuration, the small door 14 can be slid in the front-rear direction in a horizontal position, and after being rotated upward to open and then moved backward, the open state can be maintained even if the finger is released. In addition, the rear end of the guide groove 14b abuts on the projecting portion 13a in the state of being pulled forward, so that it can be turned vertically with the projecting portion 13a as a starting point. Further, since ribs 14a, 14a are formed on both sides of the small door 14, the ribs function as reinforcing members and prevent the door from bending even if a strong force is applied during opening and closing. In addition, by thinning the portions other than the ribs, the area of the rectangular opening 13b in the inner part of the storage recess 13E through which the small door 14 enters and exits can be reduced, making it difficult for water to enter the case. .
On the bottom wall of the housing recess 13E, there is provided a phone for inserting a phone plug corresponding to a phone jack connected to a phone connector provided on a circuit board (to be described later) incorporated in the main body case 12. A plug insertion port 13c and an opening 13d through which the tip of a recovery lever 17 for unlocking a push button, which will be described later, protrudes are formed.

The push button 11 has two legs 11a, 11a extending downward, and projections 11b, 11b protruding outward are formed at the tips (lower ends in the figure) of the legs 11a, 11a. As shown in FIG. 5, the projections 11b, 11b are engaged with a pair of support portions 12c, 12c provided on the front lower portion of the main body case 12, so that the projections 11b, 11b are used as fulcrums. It is configured to be rotatable forward and backward. A compression spring 15 and a push button switch 16 are provided between the back of the push button 11 and the body case 12. When the push button 11 is pushed backward against the spring force of the compression spring 15, the push button switch 16 is configured to be turned on.

Further, a locking piece 11c is formed on the upper end of the push button 11, and a recovery lever 17 is housed in a housing recess 12A on the front surface of the main body case 12 and has a tip that can move up and down. When the push button 11 is pressed, the locking piece 11c at the upper end engages with the claw 17a at the tip of the recovery lever 17 to maintain the pressed state. . In this state, when the tip of the recovery lever 17 is lifted up against the spring force of the compression spring 18, the engaging piece 11c and the claw 17a of the recovery lever 17 are disengaged, and the compression spring 15 is released. The push button 11 is pushed forward by the spring force to return to its original position.

A circuit board 19 on which the light emitting element L1 is mounted and a rear cover 21 covering the circuit board 19 are attached to the back of the body case 12 with screws 22 . The body case 12 has a hole 12d through which the tip of the light emitting element L1 protrudes at a position corresponding to the back of the push button 11, and the push button 11 is made of translucent resin so that the push button 11 can be pushed. As a result, the push button switch 16 is turned on, a signal indicating the occurrence of a fire is transmitted to the receiver, and the light emitting element L1 is lit by the signal from the fire transmitter, and the light is visible through the translucent push button 11. ing.

On the circuit board 19, there are a signal generation circuit that detects that the push button switch 16 is turned on and generates a fire occurrence signal, a signal output circuit that transmits the generated signal to the fire receiver, and a signal from the fire transmitter. Resistors and capacitors that make up a signal receiving circuit to be received, a driving circuit that lights up the light emitting element L1 according to the received signal, a transmitting and receiving circuit that is connected to a telephone jack and transmits and receives a call signal to and from the telephone of the fire transmitter, Electronic parts such as ICs are mounted, and wiring patterns for electrically connecting these electronic parts are formed on the board.

The main body case 12 and the mounting base body 13 are integrated by fitting the housing frame portion 13A on the back of the mounting base body 13 and the front end portion (oval-shaped portion) of the main body case 12, and the housing frame of the mounting base body 13 is formed. A screw 23 inserted through a screw insertion hole 13e provided in the bottom wall of the main body case 12 and a nut (not shown) embedded in the boss 12B provided in the accommodation recess 12A of the main body case 12. configured to be
The rear cover 21 has a pair of screw insertion holes 21a through which a pair of fixing screws 22 are inserted, and a terminal block to which lead wires connecting the circuit on the circuit board 19 and the fire receiver are connected. An opening 21b is provided for exposing 19A and drawing out a lead wire.

For example, as shown in FIG. 6, the fire alarm 10 having the above-described configuration is used as a door of a fire hydrant box or various equipment storage box having an opening 30A having a shape corresponding to the outer shape of the storage frame portion 13A of the mounting base body 13. The fire transmitter 10 and the ring-shaped nut 20 are opposed to each other by sandwiching a panel 30 such as a panel or a mounting panel provided on the wall surface of the building, and the main body case 12 of the fire transmitter 10 is inserted into the opening 30A of the panel 30. The mounting base body 13 and the nut 20 are connected by screwing the female threaded portion 20A of the ring-shaped nut 20 into the partial male threads 13D1 and 13D2 on the outer peripheral surface of the mounting base body 13 projecting from the back. It is attached to the panel 30 by sandwiching the panel 30 with and.

Furthermore, in the transmitter of this embodiment, as shown in FIG. 13 f 1 , 13 f 2 and 20 f with a width of several millimeters. As a result, when the female screw portion 20A of the nut 20 is screwed onto the partial male screws 13D1 and 13D2 of the mounting base body 13, the unformed portions 13f1, 13f2 and 20f are first screwed together as shown in FIG. 7(B). By turning the nut 20 after fitting, the screwing operation of the nut 20 can be easily performed without confirming the starting positions of the male thread and the female thread.

That is, when the unformed portions 13f and 20f are not provided, when the nut 20 is joined to the partial male threads 13D1 and 13D2 of the mounting base body 13, the starting position of the male thread and the starting position of the female thread are not aligned. If the nut 20 is misaligned, the engagement of the screws will be poor, and even if the nut 20 is turned, it will not be screwed smoothly. By providing 20f, smooth screwing becomes possible.

Furthermore, with respect to the nut 20, unscrewed portions 20f are provided on both the front and back open end sides. As a result, the nut 20 has no front or back surface, and can be smoothly screwed together with either surface facing the rear surface of the mounting base body 13 . In addition, since the male screw on the mounting base 13 side is a partial male screw corresponding to the upper flange portion 13B1 and the lower flange portion 13B2, the nut 20 can be turned with a smaller force than when the male screw is formed over the entire circumference. can be screwed together. In this embodiment, the nut 20 and the partial male threads 13D1 and 13D2 are double threads, although this is not a limitation. As a result, tightening and removal can be performed in a shorter time than with a single screw.
In addition, since the locations where the screws start to engage during installation are arranged opposite each other (two locations at 180-degree intervals), screw-engagement can be started by rotating the ring-shaped nut 180 degrees at the maximum. becomes easier.

(Second embodiment)
Next, a second embodiment of the fire alarm according to the present invention will be described with reference to FIGS. 8 to 10. FIG.
In the second embodiment, as shown in FIG. 8, a decorative panel 40 that can be combined with the transmitter 10 is provided. Same as transmitter. This embodiment is an effective embodiment when applied to replace an existing disk-shaped old-type fire alarm with the fire alarm according to the present invention.

As shown in FIG. 9, the decorative panel 40 of this embodiment can accommodate a pair of arcuate complementary parts 41A and 41B located on the left and right sides of the transmitter 10 and the mounting base body 13 of the transmitter 10. and a pedestal portion 42 having a storage recess portion 42a, and is configured to have a disk shape as a whole. An opening 43 through which the body case 12 of the transmitter 10 can be inserted is formed in the center of the bottom wall of the pedestal 42, and the decorative panel 40 is fixed to the wall surface or the like at the upper and lower edges of the opening 43. Notches 43a and 43b are provided through which screws are inserted. The rear surface 12C of the partial screw peripheral portion of the main body case 12 (the rear surface of the housing recess 12A) is brought into contact with the bottom wall of the pedestal portion 42 . A step portion 42b is formed at the edge of the storage recess 42a, where the upper flange portion 13B1 and the lower flange portion 13B2 of the mounting base body 13 and the lateral flange portions 13B3 and 13B4 are joined.

FIG. 10 shows an example of a method of installing the transmitter 10 integrated with the decorative panel 40 in this embodiment having the above configuration. As shown in FIG. 10, the fire transmitter 10 integrated with the decorative panel 40 has an installation plate 44 as a mounting surface having an opening 44A into which the main body case 12 can be inserted on the back side of the decorative panel 40. The installation plate 44 is attached to the front surface of a panel such as the panel of the door of a fire hydrant box or various equipment storage boxes, or the mounting panel provided on the wall surface of a building with screws (not shown) (the mounting panel has existing screw holes). If available, use the corresponding holes in the mounting plate).
Next, the transmitter 10 is divided into the mounting base body 13 and the main body case 12, and the decorative panel 40 is sandwiched between the main body case 12 and the installation plate 44. The notches 43a and 43b of the decorative panel 40 are inserted through the insertion holes 12a and 12b provided in the rear wall of the housing frame portion 12D of the main body case 12 that engages with the housing frame portion (frame body portion) 13A of the body 13. , screw holes (female screws) 46 a and 46 b formed at corresponding positions of the installation plate 44 .
When the decorative panel 40 is fastened together with the transmitter 10 and the installation plate 44, the cutouts (two places in FIG. 10, in this embodiment) on the outer periphery of the installation plate 44 are decorated with Hooks (not shown) provided on the back side of the panel 40 (two places in this embodiment) are engaged. Each function of the installation plate 44 described above, such as screw holes, may be provided on the installation panel itself to replace the installation plate 44 .

(Third embodiment)
Next, a third embodiment of the fire alarm according to the present invention will be described with reference to FIGS. 11 to 13. FIG.
The third embodiment, as shown in FIG. 11, is provided with an indicator lamp 50 that can be combined with the transmitter 10. The transmitter 10 having the body case 12 and the mounting base body 13 is the transmitter of the first embodiment. the same as that of the machine. This embodiment is an effective embodiment when it is applied to newly install a fire transmitter or indicator light in a building or the like under construction or extension.

As shown in FIG. 12, the indicator lamp 50 includes a pair of display portions 51A and 51B located on both left and right sides of the transmitter 10, and a base portion 52 having a storage recess 52a capable of storing the main body case 12 of the transmitter 10. And prepare. An opening 53 through which the body case 12 of the transmitter 10 can be inserted is formed in the center of the bottom wall of the pedestal portion 52 .
In addition, recesses are formed on the back side of the display portions 51A and 51B, and substrates on which light emitting elements are mounted can be accommodated in the recesses. The indicator lamp 50 is made of a transparent or translucent resin colored with red paint, and when the light-emitting elements are turned on, the display sections 51A and 51B emit red light.

FIG. 13 shows an example of a method of installing the transmitter 10 integrated with the indicator lamp 50 in this embodiment having the above configuration. As shown in FIG. 13, the fire transmitter 10 has an opening 30A having a shape corresponding to the outer shape of the housing frame portion 13A of the mounting base body 13 and the pedestal portion 52 of the indicator light 50. The fire transmitter 10 and the ring-shaped nut 20 are opposed to each other by sandwiching a panel 30 such as a panel or a mounting panel provided on the wall surface of the building, and an indicator light is placed between the fire transmitter 10 and the panel 30. The body case 12 of the fire transmitter 10 is inserted into the opening 30A of the panel 30 with the 50 interposed therebetween. Then, it is attached to the panel 30 by screwing the female threaded portion 20A of the nut 20 into the partial male threads 13D1 and 13D2 on the outer peripheral surface of the attachment base body 13 projecting from the back. In addition, the rear surface 12C of the partial screw peripheral portion of the main body case 12 (the rear surface of the housing recess 12A) is brought into contact with the bottom wall of the base portion 52 during installation.

Two positioning projections 12e (see FIG. 4) are provided on the rear surface of the body case 12 of the transmitter 10, and the bottom wall of the base portion 52 of the indicator lamp 50 is provided with the projections 12e at positions corresponding to the projections 12e. Two positioning recesses 52b with which the head of 12e can be engaged are provided (see FIG. 12(A)) to reduce assembly errors when the fire transmitter 10 and the indicator light 50 are combined. The rattling and positional deviation between the fire transmitter 10 and the indicator lamp 50 can be reduced.

It should be noted that a configuration in which the light emitting elements are not housed behind the display portions 51A and 51B may be adopted. In this case, the indicator lamp 50 can be regarded as a decorative panel as in the second embodiment. Specifically, if a decorative panel (60) having the same shape as the indicator lamp 50 of the present embodiment and having no display function is used, and a resin colored with the same color as the transmitter 10 is used, the entire As a result, it becomes a familiar circular transmitter (transmitting device). Therefore, when the indicator lamp and the transmitter are separately installed, the decorative panel 60 is used instead of the indicator lamp 50 described above (Embodiment 3), and the transmitter 10 and the ring-shaped nut 20 are used. Therefore, it can be installed as a transmitter by the same mounting method as in the case of using the indicator lamp 50 described above.
In addition, a light emitting element is built in the main body case 12, light is guided by a light guide plate or the like, and the light is incident on the end portion of the transparent panel constituting the display portions 51A and 51B and emitted from the surface of the display portions 51A and 51B. You may make it shine by making it light up.

Although the present invention has been described above based on the embodiments, the present invention is not limited to the above embodiments. For example, in the above-described second and third embodiments, the left and right correction parts 41A and 41B of the decorative panel 40 combined with the fire alarm and the left and right display parts 51A and 51B of the indicator light 50 are arcuate. 14(A), a semicylindrical shape as shown in FIG. 14(B), and a triangular shape as shown in FIG. 14(C). can be

Further, in the above-described embodiment, partial male threads 13D1 and 13D2 are provided on the upper and lower outer peripheral surfaces of the housing frame portion 13A of the mounting base body 13. An arc-shaped fixing piece is provided, a partial female thread forming a part of a continuous female thread is formed on the inner peripheral surface thereof, and a male thread portion having a diameter corresponding to the diameter of the female thread is formed on the partial female thread. The fire transmitter may be configured to be attached to a panel such as a door of a fire hydrant box by screwing a ring-shaped bolt having a handle.

In addition, in the above-described third embodiment, the front surfaces of the display units 51A and 51B arranged on the left and right sides of the transmitter are shown to have a substantially flat shape that is continuous with the front surface of the transmitter. may be formed in a dome shape that bulges forward. Even with this configuration, the display portions 51A and 51B have the advantage that the amount of protrusion is considerably smaller than that of the conventional cannonball-shaped display lamps, and that the lighting state is easier to visually recognize from the lateral direction than the flat display portions. .
Furthermore, in the above-described embodiment, the present invention is applied to a device in which a fire transmitter constituting a fire alarm system and a decorative panel or indicator light that can be combined with the fire transmitter are combined. It is not limited to fire transmitters, and can be widely used for train emergency alarm transmitters installed on station platforms and railroad crossings, and emergency call transmitters installed in toilets and bathrooms.

10 Transmitter 11 Push button 12 Body case 12C Back surface (rear surface) of housing recess 12A
12D accommodation frame part 13 attachment base body 13A accommodation frame part (frame body part)
13B flange portion 13D partial male screw 14 small door 16 push button switch (detection means)
17 Recovery lever (operating lever)
19 circuit board 20 ring-shaped nut (fixing means)
30 Mounting panel 40 Decorative panel 41A, 41B Correction part 42 Pedestal part 42a Storage recess 50 Indicator light 51A, 51B Display part 52 Pedestal part 52a Storage recess

Claims (3)

A main body case having a push button that can be operated from the front and detection means capable of detecting that the push button has been operated; A transmitter in which a circuit board on which a circuit for generating a signal to be output to the outside according to the state of the detection means is mounted is housed inside,
The mounting base includes a frame that can be engaged with at least a portion of the main body case, a flange provided at the front end of the frame, and a flange provided at the outer edge for mounting the transmitter on the mounting surface. and a threaded portion for
The main body case includes a housing frame portion that engages with the frame body portion, and the housing frame portion is provided with a hole through which a screw for mounting the transmitter can be inserted,
With the housing frame positioned forward of the mounting surface, the mounting screws are inserted into the holes provided in the housing frame to form an opening through which the main body case can be inserted and a screw hole. a mode in which the transmitter is attached by screwing it into the screw hole of an installation surface or an installation plate provided on the installation surface; and the rear surface of the flange portion is in contact with the front surface of the mounting surface, the screw portion of the ring-shaped nut is screwed into the screw portion of the outer edge portion of the mounting base body projecting to the rear portion. A transmitter that is attached to the mounting surface in any one of the mode in which the transmitter is attached by pressing the transmitter. 2. The transmitter according to claim 1, wherein the front surface of said frame portion is flat and is configured to form a plane continuous with the front surface of said flange portion. The threaded portion is a partial thread forming a part of a continuous male or female thread formed at least two locations on the outer edge portion of the frame portion except for the front side and the rear side. 3. Transmitter according to claim 1 or 2.

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