JP6895879B2 - Remote control device - Google Patents

Description

The present invention relates to a remote control device having a built-in speaker.

Conventionally, in this type of remote control device, as in Patent Document 1, the remote control case located in front of the speaker has a plurality of slit-shaped openings for sound transmission, and the speaker is on the back side of the openings. After forming the mounting part and setting the speaker from the back side to this speaker mounting part, fit the speaker mounting bracket in a dogleg shape between the groove and the claw part formed in the remote control case, and then insert the back of the speaker into a dogleg shape. It has been known that a speaker can be easily fixed by pressing it with a speaker mounting bracket.

Japanese Unexamined Patent Publication No. 2000-299896

However, in this conventional product, if the springiness of the speaker mounting bracket is increased, it becomes difficult to remove the speaker mounting bracket in the event of a failure, and if the springiness of the speaker mounting bracket is weakened, the removal is easy, but the fixing force of the speaker is increased. There was a problem that it was lowered and caused a disconnection or failure during product transportation.

In order to solve the above problems, in the first aspect of the present invention, in the remote control device in which the speaker is built in the remote control case, the remote control case is formed by a front case and a rear case, and has an opening in the front surface of the front case. , A cylindrical speaker mounting wall is erected at the rear portion of the opening, a metal fitting locking portion is formed around the speaker mounting wall in a substantially vertical direction of the speaker mounting wall, and a disk is formed in the speaker mounting wall. A speaker having a shape is provided, an insertion port is formed between the speaker mounting wall and the metal fitting locking portion, and the plate-shaped mounting metal fitting is slid into the insertion port to fix the speaker and fix the speaker . The metal fitting locking portion is composed of a pair, a protrusion for preventing erroneous mounting of the mounting bracket is formed on a part of the metal fitting locking portion, and a convex portion abutting on the back surface of the speaker is formed substantially in the center of the mounting bracket. The mounting bracket has a recessed portion facing the protrusion at one end thereof, and the other end of the mounting bracket is formed in a point-symmetrical shape centered on the convex portion .

Further, according to claim 2, in the remote control device in which the speaker is built in the remote control case, the remote control case is formed by a front case and a rear case, has an opening in the front surface of the front case, and has a cylinder in the rear portion of the opening. A speaker mounting wall having a shape is erected, a metal fitting locking portion is formed around the speaker mounting wall in a substantially vertical direction of the speaker mounting wall, and a disk-shaped speaker is provided in the speaker mounting wall. An insertion port is formed between the mounting wall and the metal fitting locking portion, and the plate-shaped mounting metal fitting is slid into the insertion port to fix the speaker and face the metal fitting locking portion. A retaining piece is erected on the front side of the rear case, and when the remote control case is assembled, the retaining piece abuts the side end portion of the mounting bracket to prevent the mounting bracket from coming off .

Further, in claim 3, in addition to the configuration of claim 1, a retaining piece is erected on the front side of the rear case facing the metal fitting locking portion, and when the remote control case is assembled, the retaining piece is used. The side ends of the mounting bracket were brought into contact to prevent the mounting bracket from coming off.

The speaker and mounting bracket can be attached to and detached from the remote control case extremely easily, and the speaker can be securely fixed.

An exploded perspective view of the remote control device according to the embodiment of the present invention. Rear view of the same front case Side view of the same mounting bracket An exploded perspective view of the same main part Installation explanatory view of the same main part AA enlarged cross-sectional view of the same FIG.

Next, a remote controller for a water heater with an intercom function according to an embodiment of the present invention will be described with reference to the drawings.

The remote controller 1 includes a thin box-shaped remote controller case 4 composed of a resin front case 2 that covers the front side of the built-in components and a resin rear case 3 that covers the rear surface side, and a liquid crystal display unit 5 and a plurality of remote controllers 1. The electrical board 7 equipped with electronic components such as the switch 6 and the voice switch (not shown), the speaker 8, the microphone (not shown), etc. are built-in, and a plurality of operation keys 9 are built on the front side of the front case 2. Is attached by fitting it freely.

In the front case 2, a plurality of horizontally long slit-shaped openings 10 are opened at positions corresponding to the speakers 8 fixed to the back surface on one end side of the front case 2, and a cylindrical speaker is attached to the rear portion of the openings 10. The wall 11 is erected. A metal fitting locking portion 12 is formed around the speaker mounting wall 11 in a substantially vertical direction of the speaker mounting wall 11.

The metal fitting locking portion 12 is provided with a pair of upper and lower locking portions 13 and an upper locking portion 14, and extends from the speaker mounting wall 11 to be integrally formed. Further, on the front side of the locking portions 13 and 14, the locking surfaces 13a and 14a for sliding and locking the plate-shaped mounting bracket 15 and the right end position of the mounting bracket 15 (the left end position in FIG. 6). Has stopper portions 13b and 14b for fixing the above.

The height of the speaker mounting wall 11 is such that the left mounting wall 11a is formed lower than the right mounting wall 11b so that the speaker mounting wall 11 can be smoothly mounted by sliding on the locking surfaces 13a and 14a of the metal fitting locking portion 12, and the left An insertion port 16 for the mounting bracket 15 is formed between the mounting wall 11a and the locking surfaces 13a and 14a, and the mounting bracket 15 is slid into the insertion port 16 to fix the disk-shaped speaker 8. .. Further, a protrusion 13c is formed on the stopper portion 13b of the lower locking portion 13 on the metal fitting side in order to prevent the mounting metal fitting 15 from being erroneously mounted. Further, a part of the left mounting wall 11a is recessed forward to form a guide portion 11c at a distance separated by the width of the mounting bracket 15 on the left side (right side in FIG. 6) of the protrusion 13c, and the protrusion 13c is formed. And the guide portion 11c guide the lateral position of the mounting bracket 15 on the lower locking portion 13 during assembly.

The mounting bracket 15 is a vertically long plate made of a stainless steel spring material, and has a convex portion 17 that abuts on the back surface of the speaker 8 and a concave portion 18 that faces the protrusion 13c at substantially the center. Further, by forming the convex portion 17 into a point-symmetrical shape centered on the convex portion 17, the convex portion 17 is erroneously mounted on the back side instead of the speaker 8 side in the front-rear direction, so that the speaker 8 and the mounting bracket 15 are mounted. It is possible to prevent a gap from being generated between them, and it is not necessary to distinguish the vertical direction of the mounting bracket 15, which improves workability at the time of assembly.

Reference numeral 19 denotes a rubber packing, which is in close contact between the opening 10 inside the speaker mounting wall 11 and the periphery of the speaker 8 and absorbs vibration when sound is generated from the speaker 8. Reference numeral 20 denotes a sound insulating material made of a foam material, which prevents sound from leaking from the speaker 8 toward the back surface.

Reference numeral 21 denotes a retaining piece erected on the front surface side of the rear case 3, which is formed so as to face the upper locking portion 14 and cover the left side of the left mounting wall 11a. As a result, after the remote control case is assembled, the side end portion of the mounting bracket 15 can be brought into contact with the retaining piece 21 to prevent the mounting bracket 15 from coming off due to vibration during transportation or the like.

To explain the assembly procedure, first, the rubber packing 19 is attached to the outer periphery of the speaker 8 from the front, and the rubber packing 19 is inserted inside the speaker mounting wall 11, and the recess 18 on the lower side of the mounting bracket 15 is formed into the protrusion 13c of the lower locking portion 13. The speaker 8 can be attached to the front case 2 extremely easily by positioning the speaker 8 and rotating the mounting bracket 15 in the direction of the broken line arrow in FIG. Next, if the rear case 3 is attached to the front case 2 with screws (not shown), the retaining piece 21 erected on the front side of the rear case 3 comes into contact with the side end portion of the mounting bracket 15 during transportation, etc. It is possible to prevent the mounting bracket 15 from coming off due to the vibration of.

When the speaker 8 is removed due to a failure, it can be easily removed by simply reversing the above assembly procedure. In particular, the mounting bracket 15 can be easily removed because the mounting bracket 15 is simply rotated in the direction opposite to the arrow shown by the broken line in FIG.

As described above, according to the present invention, the speaker 8 and the mounting bracket 15 for attaching the speaker can be attached to and detached from the remote control case 4 extremely easily, and the speaker 8 can be securely fixed. Further, it is possible to prevent the retaining piece 21 standing on the front side of the rear case 3 from coming into contact with the side end portion of the mounting bracket 15 and coming off due to vibration during transportation or the like. Further, the configuration of the speaker mounting wall 11, the sound insulating material 20, and the retaining piece 21 that covers the speaker mounting wall 11 prevents the sound of the speaker 8 from leaking to the rear.

The present invention is not limited to the above embodiment, and can be modified without changing the gist of the invention, and the metal fitting locking portion 12 and the retaining piece 21 may be provided in the left-right direction. Good.

1 Remote control device 2 Front case 3 Rear case 4 Remote control case 8 Speaker 10 Opening 11 Speaker mounting wall 12 Bracket locking part 13c Protrusion 15 Mounting bracket 16 Insertion port 17 Convex 18 Concave 21 Retaining piece

Claims (3)

In the remote control device with the speaker built in the remote control case
The remote control case is formed of a front case and a rear case.
It has an opening on the front surface of the front case.
A cylindrical speaker mounting wall is erected at the rear of the opening, and a cylindrical speaker mounting wall is erected.
A metal fitting locking portion is formed around the speaker mounting wall in a substantially vertical direction of the speaker mounting wall.
A disk-shaped speaker is provided in the speaker mounting wall.
An insertion port is formed between the speaker mounting wall and the metal fitting locking portion, and the plate-shaped mounting metal fitting is slid into the insertion port to fix the speaker and at the same time .
The metal fitting locking portion is composed of a pair.
A protrusion is formed on a part of the metal fitting locking portion to prevent the mounting metal fitting from being erroneously mounted.
A convex portion that abuts on the back surface of the speaker at substantially the center of the mounting bracket,
The mounting bracket has a vertically long recess at one end that faces the protrusion.
A remote control device characterized in that the other end of the mounting bracket is formed in a point-symmetrical shape centered on the convex portion. In the remote control device with the speaker built in the remote control case
The remote control case is formed of a front case and a rear case.
It has an opening on the front surface of the front case.
A cylindrical speaker mounting wall is erected at the rear of the opening, and a cylindrical speaker mounting wall is erected.
A metal fitting locking portion is formed around the speaker mounting wall in a substantially vertical direction of the speaker mounting wall.
A disk-shaped speaker is provided in the speaker mounting wall.
An insertion port is formed between the speaker mounting wall and the metal fitting locking portion, and the plate-shaped mounting metal fitting is slid into the insertion port to fix the speaker and at the same time.
A retaining piece is erected on the front side of the rear case facing the metal fitting locking portion.
When assembling the remote control case, the remote control device is characterized in that the side end portion of the mounting bracket is brought into contact with the retaining piece to prevent the mounting bracket from coming off. A retaining piece is erected on the front side of the rear case facing the metal fitting locking portion.
Wherein at the time of the remote control case assembly, remote control device according to claim 1, characterized in that to prevent the out of contact with the mounting bracket to a side end portion of the mounting member in the retaining piece.

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