JPH089835Y2 - Fire transmitter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a manually operated fire transmitter.

(Prior Art) Conventionally, a fire transmitter of this type is shallow in a casing 2 in which a fire transmitter 1 is housed, as shown in the front view in FIG. 8 and the CC line arrow in FIG. 9, for example. A bowl-shaped plate 3 is attached with screws 4.

That is, the screw seat 5 and the hook portion 6 are provided at the outer peripheral corners of the plate 3.
Is provided, the hook portion 6 is engaged with the engaging recessed portion 8 of the component mounting base 7 attached to the housing 2, the plate 3 is fitted into the opening edge portion of the housing 2, and the screw 4 inserted into the screw seat 5 is inserted. It is a structure to be screwed into the screw hole 9 of the component mount 7.

In the above conventional fire transmitter, the head of the screw 4 is the plate 3
Since it is exposed to the outside, it looks bad in appearance and also
There is a risk of being tampered with.

Therefore, a set screw for fixing the lid having the opening for maintenance to the housing body and the back lid is provided in the opening so that the mounting screw is hidden, and the outside of the opening is the case. The electronic device housing that was covered with
It is disclosed in Japanese Patent Publication No. 59-135678.

(Problem to be solved by the invention) However, in the structure of this publication, the housing main body and the lid body are respectively provided so that the screw holes provided in the back lid body and the set screws are inserted so that the set screws can be screwed. It is necessary to align the insertion hole that is opened at the time of assembling and combining the lid body, the case body, and the back lid body, and a cover plate for covering the lid body or the back lid body is required. Accurately aligning the screw hole and the insertion hole while assembling and connecting to each other is extremely troublesome.

This invention has been proposed in view of the above-mentioned problems of the prior art, and when mounting a plate to an opening of a housing or the like, open the screw hole of the plate mounting screw and the screw so that the screw is inserted. The present invention proposes a fire transmitter which is devised so that the positioning with the insertion hole on the side of a certain opening is immediately performed accurately and no special positioning operation is required.

(Means for Solving the Problems) In order to solve the above problems, the present invention is directed to a fire notification push button.
11, a component mount 17 having a mount for mounting members used for maintenance or inspection such as the telephone jack 12 and the patrol switch 13, and a push button operation hole 19 corresponding to the fire notification push button 11. Also, a maintenance window 20 corresponding to the mounting base for mounting the member is provided, and the plate 15 mounted on the component mounting base 17 so as to cover the component mounting base 17 and the maintenance window 20 of the plate 15 are usually provided. In a fire transmitter that has a cover plate 26 that is closed and opened during maintenance and inspection, the mounting plate 21 is projected from the edge of the maintenance window 20 of the plate 15 to the component mounting base 17 side. Is formed so that its free end is exposed to the maintenance window 20, a screw hole 22 is provided at the free end of the mounting plate 21, and the component mounting base is located at a position opposed to the maintenance window 20.
17 is provided with a mounting seat 23 and is formed so that the mounting plate 21 of the plate 15 in the mounted state is placed on the mounting seat 23. A pair of convex portions 2 having an inner portion 24a, 25a with which the left and right outer sides of the mounting plate 21 in the installed state described above are provided with a screw 39 for screwing through
4, 25 is provided on the component mount 17.

(Operation) When the plate 15 is assembled and mounted on the component mounting base 17, if the mounting plate 21 of the plate 15 is placed on the mounting seat 23 of the component mounting base 17, the mounting plates are mounted on the inner portions 24a, 25a of the convex portions 24, 25. The left and right outer sides of 21 come into contact with each other, whereby the screw 39 of the mounting seat 23 is aligned with the screw hole 22 at the free end of the mounting plate 21.
The screw 39 on the side of and the screw hole 22 on the side of the plate 15 are immediately and accurately aligned, and no special alignment operation is required.

(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings.

The fire transmitter shown in FIG. 1 is a front view and FIG. 2 is a view taken along the line AA in FIG. 1, together with a fire notification push button device 11 (shown by a two-dot chain line in the figure). The jack 12 and the circulation switch 13 are housed in the housing 14, and the opening 16 is closed by attaching the bowl-shaped plate 15 shown by the two-dot chain line in FIG. 2 to the housing 14.

The fire alarm push button device 11, the telephone jack 12, and the patrol switch 13 are attached to the component mount 17, and the component mount 17 is
It is fixed to the housing 14 by mounting screws 18.

As shown in the exploded perspective view of FIG.
The push button operation hole 19 and the maintenance window 20 are punched, and the mounting plate 21 cuts inward a part of one edge 20a of the maintenance window 20 and folds it sideways (parallel to the surface of the plate 15). A screw hole 22 is formed in the mounting plate 21.

The plate 15 has its outer peripheral edge portion 15a fitted to the stepped portion 14a of the tubular portion of the housing 14, and is attached to the mounting seat 23 of the component mounting base 17.
When the mounting plates 21 are joined together, the left and right sides of the mounting plate 21 are attached to the inner portions 24a and 25a of the convex portions 24 and 25 which form the mounting base for mounting the telephone jack 12 and the patrol switch 13 standing on the component mounting base 17. Since the portions 21a, 21a come into contact with each other, the screw hole 22 is immediately aligned with the female screw 39 of the plate mounting seat 23, and the plate 15 is fixed to the housing 14 by screwing the screw 10 into the female screw 39. .

Therefore, the operation of attaching the plate 15 to the housing 14 is
Since it is not necessary to align the mounting position, it was extremely easy.

A lid plate 26 for opening and closing the maintenance window 20 has guide legs 27, 27 having an L-shaped cross section protrudingly provided on the back surface, and the handle 28 and the maintenance window 20 are fitted to the front surface almost without rattling. Size, and
A convex main body portion 29 having a thickness substantially equal to the thickness of the plate 15 is provided, and left and right portions of the main body portion 29 and above the handle 28 are provided with left and right portions 30, 30 and an upper portion 31 which are slightly thin.

The projections 24 and 25 have holes 3 into which plugs (not shown) can be inserted.
2, 33 are provided, sliding parts 34, 34 and guide parts 35, 35 slightly higher than the sliding parts 34, 34 are provided outside the holes 32, 33, and the left and right parts 3 of the cover plate 26 are provided.
The 0 and 30 are guided by the guide portions 35 and 35 so that they can move up and down. The hole 32 or 33 is a member into which a plug (not shown) is inserted at the time of maintenance or inspection using the telephone jack 12 or the patrol switch 13.

Above the sliding parts 34, 34, guides 36, 36 having a section are provided on the component mounting base 17.

The sliding portions 34, 34 are provided with springs 37, 37 slightly projecting forward from the sliding surface, and the maintenance window 20 is closed by the cover plate 26 as shown in FIGS. 4 to 6. The cover plates 26 are pushed forward by the springs 37, 37, so that the left and right parts 30, 30 and the upper part 31 come into contact with the back surface of the maintenance window 20, and at this time, the surface of the main body part 29 becomes It is almost flush.

Further, the plate mounting seat 23 and the screw 10 located inside the maintenance window 20 are hidden by the lid plate 26 when the maintenance window 20 is closed by the lid plate 26, Since the screw 10 is not exposed to the outside of the plate 15 and the housing 14, the appearance is improved, and there is no fear of mischief such as turning the screw 10 over.

When the cover plate 26 in the closed position in FIG. 5 is pushed slightly inward (to the right in the same figure) and pushed in the direction of the arrow, the main body part 29 enters the back surface of the plate 15 and the left and right parts 30, 30 move. Guide part 3
Guided by 5,35, it started moving, and soon the guide foot 2
After 7,27 starts to engage with the guides 36, 36 of the component mount 17, the lid plate 26 opens the maintenance window 20 along the guides 36, 36.
As shown in FIGS. 1 to 3, the cover plate 26 is housed in the plate 15 and the maintenance window 20 is fully opened. At this time, the telephone jack 12, holes 32 and 33 of the circulation switch 13, and the screw 10 are It will be visible from the outside through the maintenance window 20.

The spring 37 in the illustrated example is a protrusion 2 made of a synthetic resin material.
It is a leaf spring formed integrally with 4, 25, and its specific structure is as shown in FIG. 2 by forming a part of the sliding portion 34 in the plate and making a notch 38 in a plan view in the plate. A spring 37 having a side view is formed on the inner surface of the sliding portion 34, and the tip of the spring 37 projects upward from the surface of the sliding portion 34.

(Effect of the device) Since the fire transmitter according to the present invention is configured as described above, when the plate 15 is assembled and mounted on the component mounting base 17, the mounting plate of the plate 15 is mounted on the mounting seat 23 of the component mounting base 17. When 21 is placed, the left and right outer sides of the mounting plate 21 come into contact with the inner portions 24a and 25a of the convex portions 23 and 24, and the screws 39 of the mounting seat 23 are screwed into the screw holes of the mounting plate 21.
22 will match, which will allow the component mount 17
The screw 39 on the side of and the screw hole 22 on the side of the plate 15 were immediately and accurately aligned, and a special alignment operation could be eliminated.

[Brief description of drawings]

1 to 7 show an embodiment of the present invention, FIG. 1 is a front view, FIG. 2 is a view taken along the line AA of FIG. 1, and FIG.
4 is a front view of the main part of the apparatus, FIG. 5 is a view taken along the line AA of FIG. 4, and FIG. 6 is a view taken along the line B of FIG.
FIG. 7 is a perspective view of a main part in a disassembled state, FIG. 8 is a front view of a conventional fire transmitter, and FIG. 9 is a CC line arrow view of FIG. 11 ... Fire notification push button, 12 ... Telephone jack, 13 ... Circular switch, 15 ... Plate, 17 ... Parts mount, 20 ... Maintenance window,
21 ... Mounting plate, 22 ... Screw hole, 23 ... Mounting seat, 24,25 ... Convex section, 2
4a, 25a ... inner part, 26 ... lid plate, 39 ... screw.

Claims (2)

[Scope of utility model registration request] 1. A parts mounting base provided with a fire notification push button and a mounting base for mounting members used for maintenance or inspection such as a telephone jack and a patrol switch, and the fire notification push button. A push button operation hole and a maintenance window corresponding to the mounting base for mounting the member are provided, and the plate mounted on the component mounting base so as to cover the component mounting base and the maintenance window for the plate are normally closed. In a fire transmitter that has a lid plate that opens during maintenance and inspection, the mounting plate is projected from the edge of the maintenance window of the plate toward the component mount side, and the free end of this mounting plate is exposed to the maintenance window. The mounting plate of the plate in the mounted state is placed on this mounting seat by providing a screw hole at the free end of the mounting plate and a mounting seat on the component mounting base at a position facing the maintenance window. Mounting seat Is provided with a screw for screwing the mounting plate in the installed state described above through a screw hole, and a pair of convex parts having an inner part with which the left and right outer sides of the mounted plate in the installed state can contact can be provided on the component mounting base. Fire transmitter characterized by becoming. 2. The fire transmitter according to claim 1, wherein the convex portion is a mount for mounting members such as the telephone jack and the patrol switch.