JPH07235778A - Electronic device housing - Google Patents

Abstract

PURPOSE:To easily hold an electronic device housing at a finger holding part and to prevent detrimental effect on a built-in electronic device by an opening part by forming a finger hook part by forming a recessed part in an upper part and a lower part of a rear and by forming an opening part for dissipating inner heat and an opening part for introducing air in the recessed part. CONSTITUTION:An electronic device housing 10 is held by putting a finger on a finger holding part 14 from inside a lateral groove 12a of an upper part of a base 12 and inside a lateral groove of a lower part thereof. An attachment seat 16 is brought into contact with a wall surface 20 and the electronic device housing 10 is attached. When used after attached, electronic devices 18, 19 generate heat and air inside the electronic device housing 10 rises. Thereby, air is ejected from an opening part 12c of an upper part of the base 12 and heat inside the electronic device housing 10 is removed. Since the opening part 12c is formed in a bottom part of the lateral groove 12a, dust, etc., is hard to enter the electronic device housing 10. Furthermore, attachment of an electronic device housing to a wall surface conceals an opening part and realizes good appearance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device housing, and more particularly to an electronic device housing which has an electronic device built in via a substrate and which is attached to a wall surface with its back surface in contact with the wall surface.

[0002]

2. Description of the Related Art In FIG. 5, reference numeral 1 denotes a housing of an electronic device such as a main unit of a button telephone, and the housing 1 includes a base 2 and a cover 3. Mounting holes 3a are formed at the four corners of the cover 3, and the base 2 and the cover 3 are integrally coupled via a mounting screw penetrating the mounting hole 3a. Vertical grooves 3b, 3b ... Are formed in the upper part and the lower part of the cover 3, respectively, and openings 3c, 3c, ... (See FIGS. 6 and 7) are formed near the groove bottom. Electronic components are attached to a substrate incorporated in the electronic device housing 1, and a local line, an extension terminal, a power source, and the like are electrically connected via the electronic devices.

By the way, the casing 1 of the above-mentioned key telephone main unit is used by being attached to a wall surface, and when the key telephone main unit operates, electronic devices generate heat. The generated heat is radiated to the outside of the electronic device housing 1 through the openings 3c, 3c ... Formed in the upper end of the cover 3. At the same time, outside air is introduced into the electronic device housing 1 from the outside of the electronic device housing 1 through the openings 3c, 3c, ... Formed in the lower end portion of the cover 3.

[0004]

However, since the openings 3c, 3c ... Are formed on the surface of the cover 3, dust and the like easily enter the electronic equipment casing 1 through the openings 3c, 3c. However, there is a problem that electronic devices are adversely affected by dust and the like that has entered the electronic device housing 1. Further, since the openings 3c, 3c ... Are formed on the surface of the cover 3, there is a problem that the external appearance of the key telephone main device is not beautiful. Further, there is a problem that it is difficult to hold the key telephone main unit because the key telephone main unit does not have a portion for hanging a finger. Therefore, it is an object of the present invention to solve the problems of the above-mentioned conventional techniques, prevent dust from entering the housing of an electronic device, and provide an electronic device housing that has a beautiful appearance and is easy to hold. .

[0005]

In order to achieve the above object, the present invention provides an electronic equipment housing in which an electronic equipment is built in via a substrate, and the back surface is brought into contact with a wall surface to be attached to the wall surface. A concave portion into which a finger can be fitted is formed at the upper end portion and the lower end portion, and convex finger hook portions are formed at the upper edge and the lower edge of the back surface, respectively. The height of the finger-holding portion is set to be lower than that of the back surface so as to be larger than the thickness, an opening portion for radiating internal heat is formed in the concave portion of the upper end portion, and external air is introduced into the concave portion of the lower end portion It is characterized in that an opening is formed.

[0006]

According to the present invention, in an electronic equipment housing in which an electronic equipment is built-in and attached to a wall surface for use, a recess into which a finger can be fitted is formed at an upper end portion and a lower end portion of a back surface of the electronic equipment housing. Then, convex finger hooks were formed on the upper edge and the lower edge of the back surface of the electronic device housing. The height of this finger hook is set lower than the back surface of the electronic device housing, and the gap between the finger hook and the back is made larger than the thickness of the finger. Therefore, when the electronic device housing is mounted on the wall surface, a gap larger than the thickness of the finger is formed between the wall surface and the finger hooking portion, so that the finger hooking portion can be hooked.

Further, openings are formed in the recesses formed at the upper end and the lower end of the back surface of the electronic equipment casing to connect the inside and outside of the electronic equipment casing. Therefore, since the opening is formed at a position recessed from the back surface of the electronic device housing, the finger hook portion prevents dust and the like from entering the electronic device housing through the opening. Further, since the opening is formed on the back surface of the electronic device housing, when the electronic device housing is attached to the wall surface, the opening is hidden and cannot be seen.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of an electronic equipment casing according to the present invention will be described below with reference to FIGS. In FIG. 1, an electronic device housing generally designated by reference numeral 10 has a base 12 and a cover 13, and mounting holes 13 a are formed at four corners of the cover 13. The base 12 and the cover 13 have mounting holes 13a
They are integrally connected via a screw (not shown) which is penetrated through. As shown in FIG. 2, lateral grooves 12a and 12b are formed in the upper part and the lower part of the base 12, and the groove width dimension of the lateral grooves 12a and 12b is set so that a finger can be fitted therein. There is. By forming the lateral groove 12a and the lateral groove 12b in the upper portion and the lower portion of the base 12 in this way, the convex finger-hooking portion 14 and the finger-hooking portion 15 are formed in the upper edge and the lower edge of the base 12, respectively. .

The height of the finger hooks 14 and 15 is set to be lower than that of the outer surface 12e of the base 12, so that a gap of h1 is formed from the mounting seat 16 described later to the tops of the finger hooks 14 and 15. The gap h1 is set to be larger than the thickness of the finger. Further, the lateral grooves 12a and 12b are set so that the groove depth dimension is from the mounting seat 16 to h2. Then, from the tops of the finger hooks 14 and 15 to the lateral groove 12a,
The distance (h2-h1) to the bottom of 12b, that is, the height dimension of the finger hooks 14 and 15 is set to be the height at which the finger hooks 14 and 15 are hooked.

An opening 12 is formed at the bottom of the lateral groove 12a.
are formed, and openings 12d, 12d ... Are formed at the bottom of the lateral groove 12b. On the other hand, when the electronic device casing 10 is used as a casing of the key telephone main unit, the electronic components 18, 19 and the like are mounted in the electronic device casing 10 via the board 17, and the electronic components 18, 19 and the like are used. The central office line, extension terminal, power supply, etc. are electrically connected. Then, the electronic device housing 10 is attached to the wall surface 20. In this case, the mounting seats 16, 16 ... Abut on the wall surface 20, and the mounting seats 16, 16 ... Are provided at the four corners of the base 12. Therefore, when the key telephone main device is activated and the electronic components 18 and 19 generate heat, the upper openings 12c and 12 are formed.
The heat in the electronic device housing 10 is radiated to the outside via c ..., At the same time, the air enters the electronic device housing 10 from the outside through the openings 12d, 12d.

Next, the operation of the electronic equipment casing of the present invention constructed as described above will be described. First, the electronic device housing 1
A case where 0 is attached to the wall surface 20 will be described. Inside the lateral groove 12a in the upper part of the base 12 and in the lateral groove 12b in the lower part
The electronic device housing 10 is held by inserting a finger into the inside and hooking the fingers on the finger hook portions 14 and 15. Then, the mounting seats 16, 16 ... Provided at the four corners of the base 12 are brought into contact with the wall surface 20 to mount the electronic device housing 10 on the wall surface 20. In this case, the wall surface 20
Since the clearance h1 from the top to the tops of the finger hooks 14 and 15 is set to be larger than the thickness of the finger, it is possible to mount the electronic device housing 10 on the wall surface 20 by holding the finger hooks 14 and 15 with a finger. it can. Note that when the electronic device housing 10 is detached from the wall surface 20, the electronic device housing 10 is mounted in the same manner as when mounting the electronic device housing
Can be done with.

Next, a case where the heat in the electronic equipment casing 10 is radiated to the outside will be described. When the key telephone main unit is used after the electronic device housing 10 is attached to the wall surface 20, the electronic devices 18 and 19 generate heat and the air temperature inside the electronic device housing 10 becomes high. As a result, the air inside the electronic device housing 10 rises, and as shown by the broken line 21 in FIG.
The heat in the electronic device housing 10 is radiated to the outside of the electronic device housing 10 through the openings 12c, 12c ... At the same time, as indicated by the broken line 22 in FIG.
Outside air enters the electronic device housing 10 through the openings 12d, 12d, ... At the lower part of the base 12.

The opening 12 in the upper part of the base 12
c, 12c ... and the lower openings 12d, 12d ...
Since they are formed at the bottoms of the upper lateral groove 12a and the lower lateral groove 12b, dust and the like are less likely to enter the electronic device housing 10 through the openings 12c, 12c ... And the openings 12d, 12d. Further, since the openings 12c, 12c ... And the openings 12d, 12d ... Are formed on the back surface side of the electronic device housing 10, when the electronic device housing 10 is attached to the wall surface 20, the openings 12c, 12c. , 12
d ... disappears and the appearance of the electronic device housing 10 becomes beautiful. Although the case where the electronic device housing 10 is used as the casing of the key telephone main device has been described in the above embodiment, the present invention is not limited to this and may be used as the casing of other electronic device devices.

[0014]

As is apparent from the above description, according to the electronic equipment housing of the present invention, the recesses into which the fingers can be fitted are formed in the upper and lower portions of the back surface of the electronic equipment housing to form the electronic equipment housing. Convex finger hooks were formed on the upper and lower edges of the back surface of the device housing. The height of this finger hook is set lower than the back surface of the electronic device housing, and the gap between the finger hook and the back is made larger than the thickness of the finger. Therefore, when mounting the electronic device housing on the wall surface, a gap larger than the thickness of the finger is formed between the wall surface and the finger hook portion, so that the electronic device housing can be easily held by hooking the finger on the finger hook portion. In addition, openings are formed in the recesses formed in the upper and lower portions of the back surface of the electronic device housing to connect the inside and outside of the electronic device housing. Therefore, the opening is formed at a position recessed from the back surface of the electronic device housing, so that the finger hook portion prevents dust and the like from entering the electronic device housing through the opening, and Prevents adverse effects on the built-in electronic devices. Further, since the opening is formed on the back surface of the electronic device housing, when the electronic device housing is attached to the wall surface, the opening is hidden and cannot be seen, and the appearance becomes beautiful.

[Brief description of drawings]

FIG. 1 is a front perspective view of an embodiment of an electronic device housing according to the present invention.

FIG. 2 is a rear view showing an embodiment of an electronic device casing according to the present invention.

3 is a vertical cross-sectional view cut along the line AA of FIG.

FIG. 4 is a vertical cross-sectional view taken along the line BB of FIG.

FIG. 5 is a perspective view of a conventional electronic device housing viewed from the front.

FIG. 6 is an enlarged view of a main part showing an enlarged opening of a conventional electronic device housing.

FIG. 7 is a cross-sectional view taken along the line CC of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Electronic device housing 12a, 12b Recess 12c, 12d Opening 12e Outer side (rear side) 14, 15 Finger hook 17 Board 18, 19 Electronic component 20 Wall surface

Claims (1)

[Claims] 1. An electronic device housing in which an electronic device is built in via a substrate and which is attached to a wall surface by bringing the back surface into contact with the wall surface, and a recess into which a finger can be fitted is formed in an upper portion and a lower portion of the back surface. And convex finger-hook portions are formed on the upper edge and the lower edge of the back surface, respectively, and the height of the finger-hook portion is adjusted so that the gap between the finger-hook portion and the back surface is larger than the thickness of the finger. An electronic device housing, which is set to a lower height, in which an opening for radiating internal heat is formed in the recess of the upper portion, and an opening for introducing outside air is formed in the recess of the lower portion.