JP4949910B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device having an electronic member, for example, an electronic device such as a housing information panel or a doorphone installed in each door of a detached house or an apartment house.

Conventionally, in an electronic device such as a housing information panel or door phone, in addition to the standard function of the electronic device, an optional function is added, or another member having a different function is added to the casing of the electronic device. May be provided. For example, Japanese Patent Application Laid-Open No. 2002-281489 (Patent Document 1) discloses a structure in which a video recording unit for recording an image captured by a front door unit can be installed in a case in a case of a TV door phone. Has been. In addition, registered model No. 3031590 (Patent Document 2) discloses a structure in which a video adapter can be attached to a housing of a slave unit as a separate member in an entrance slave unit embedded in a wall surface.
Japanese Patent Laid-Open No. 2002-281489 Registration Model No. 3031590

  Each of the conventional examples discloses a structure for mounting an additional member such as an optional member or a separate member to the casing body. In this case, the casing is naturally provided on the assumption that the additional member is provided in the casing. Is designed, i.e., a space is provided for providing additional members from the beginning. For this reason, even when an additional member is not provided, a space for providing the additional member is required, and it is difficult to reduce the size of the housing.

  In view of the above circumstances, an object of the present invention is to provide an electronic device that can eliminate the space for providing the additional member in the housing while allowing the additional member to be provided, and can reduce the size of the housing. And

  The present invention provides an electronic device comprising a box-shaped main body embedded in a wall surface and a cover attached to the front surface of the main body. The main body is provided on a lower wall of the main body, and an optional member is inserted from the main body. An electronic device, comprising: an opening to be opened; and a main body locking portion that is provided in the vicinity of the opening and that is locked to a locking portion formed on an upper end portion of the option member.

Also, the present invention is the electronic device, wherein a boss is erected from the bottom wall of the main body above the opening, the boss serves as the main body locking portion, and the optional member is locked to the boss. And an electronic device characterized by being fixed by screwing.

  Further, the present invention is the electronic apparatus, wherein a guide groove having an inner diameter substantially equal to the outer diameter of the boss is formed on the back surface of the option member to guide the insertion of the option member into the opening. The electronic device is characterized by that.

  According to the present invention, the optional member can be provided to be exposed to the outside of the main body through the opening formed in the lower wall from the inside of the main body, and the optional member can be added even if there is no space for the optional member inside the main body. Can be provided. Therefore, according to the present invention, in the electronic device, an additional member can be provided, but a space for providing the additional member in the box-shaped main body can be eliminated, the main body can be reduced in size, and the extension can be achieved. In other words, the housing composed of the main body and the cover can be reduced in size.

  Furthermore, according to the present invention, since the locking member that engages the option member and the main body is provided, the option member can be locked in a state where it hangs down from the opening of the main body. Also, the optional member is fixed to the main body by not using the main body opening, and the main body locking portion is a boss standing on the bottom wall, and the optional member locking portion is screwed to the boss. It is possible to make the insertion into the opening of the main body easy when installing the optional member by providing the optional member with a guide groove having an inner diameter substantially equal to the outer diameter of the boss that guides the insertion of the optional member. Can do.

  An embodiment of an electronic apparatus according to the present invention will be described with reference to FIGS. 1A, 1B, and 1C show a housing information board which is an example of the electronic apparatus of the present invention, a front view and a side view in a state where a cover is attached to the main body and an optional member is attached to the main body. FIG. 2 (a, b) is a perspective view of the inner surface of the main body in a state where the optional member is not mounted, and FIG. 3 (a, b, c) is a bottom view. FIG. 4 is a front view, a rear view (guide groove side) view, and a cross-sectional view taken along the line CC of FIG. 4A. FIG. 4A and FIG. FIG. 5 (a, b, c) is a front view of the inner surface of the main body showing before and after the insertion of the member, and FIG. 5 (a, b, c) shows the main body same as the above, and FIG. ) Of the portion corresponding to the VV line portion of FIG. It shows the emission member is its plan view and a bottom view.

  1 to 6, reference numeral 1 denotes a housing information board which is an example of the electronic apparatus of the present invention. In addition, the housing information panel is installed in the doors of detached houses or apartment houses, and is connected to equipment installed outside the door phone slave unit installed in the entrance or the collective entrance machine in the apartment house. It is used.

  As shown in FIG. 1 (a, b, c), the house information board 1 is composed of a box-shaped main body 2 and a cover 3 attached to the front surface thereof, and is provided on the wall surface of the living room. Is exposed from the wall surface, and the main body 2 is embedded in the wall surface. Further, the main body 2 is of a type provided in the wall surface via an embedding box (also referred to as a switch box) (not shown) that accommodates it from the back side.

  The housing information board 1 is provided with a display monitor 4 and a call button 5 on the surface side of the cover 3, and the display monitor 4 can be used to confirm the visitors in front of the door phone slave unit, the entrance hall, etc. The call can be made by pressing the call button 5 with the visitor.

  Reference numeral 6 denotes an optional unit (optional member) which adds an optional function to the standard function of the house information panel 1 and is added as required by the user. Examples of the contents of the option unit 6 include a recording function, a call button function, and a water leak function.

  The option unit 6 is provided so as to hang outward from the lower wall 2 a of the main body 2. Although not shown, the optional unit 6 is provided below the lower wall 2a formed inside the wall surface (specifically, the lower wall 2a and an embedding box (not shown)) when the main body 2 is embedded in the wall surface. It is arranged in a dead space between the lower wall and the lower wall.

  As shown in detail in FIGS. 2A and 2B, the main body 2 is formed with an opening 2 b in the lower wall 2 a for inserting or inserting the option unit 6 from the main body 2. The bottom wall 2c has a first main body side locking portion 2d located near and above the opening 2b at the upper portion of the outer peripheral surface, and an optional locking boss erected from the bottom wall 2c. 2e is provided. Further, a second body side locking portion 2f is provided on the inner surface of the lower wall 2a at the opening edge of the opening 2b on the front side of the body 2.

  As shown in detail in FIG. 3 (a, b, c), the option unit 6 has an option retaining boss 2e in the main body 2 with the option unit 6 mounted on the upper end surface 6d of the casing 6a. A screw fixing portion 6e having a set screw insertion hole 6f opposite to the screw hole is provided. This screwing portion 6e has an arcuate backside hook portion 6g at its upper end on the backside (the backside 6c side of the casing 6a), and has an accommodating recess 6h for accommodating the optional retaining boss 2e of the main body 2. is doing. The hook portion 6g formed of the arc-shaped rib has an inner diameter substantially equal to the outer diameter of the option retaining boss 2e on the inner surface thereof, and the first option side engagement with which the first main body side locking portion 2d is inscribed. It has a stop 6i. On the back surface 6c side of the casing 6a, a guide groove 6j extending in the vertical direction and having an inner diameter substantially equal to the outer diameter of the option stop boss 2d of the main body 2 is formed. The upper end of the guide groove 6j reaches the receiving recess 6h on the back side of the screwing portion 6e and is provided continuously therewith, the lower end reaches the lower end of the casing 6a, and the lower end side has a diameter toward the lower end. An enlarged diameter portion 6m is formed in which the diameter gradually increases. The guide groove 6j guides the position of the option unit 6 so as to prevent displacement when the option unit 6 is inserted into the opening 2b. A front surface side hook portion 6p protrudes from the upper end edge of the casing 6a on the front surface 6b side, and the front surface side hook portion 6p engages with the second main body side locking portion 2f of the main body 2 on the lower surface thereof from above. A second option side locking portion 6k. Reference numeral 6n denotes a screwdriver insertion portion that is provided on the surface side of the screwing portion 6e (surface side 6b of the casing 6a) and reaches the screw insertion hole 6f.

  When the option unit 6 is attached to the main body 2, as shown in FIGS. 4A and 4B, the option unit 6 is inserted from the inside of the main body 2 toward the opening 2b and attached.

  Specifically, first, as shown in FIG. 5A, the option unit 6 is tilted forward, and the lower end edge on the front surface 6b side of the casing 6a is accommodated in the opening 2b, while the back surface 6c side of the casing 6a is placed. The optional stopper boss 2e is applied to the enlarged diameter portion 6m on the lower end side of the guide groove 6j formed in the above. At this time, since the inner diameter of the enlarged diameter portion 6m of the guide groove 6j is slightly larger than the outer diameter of the optional stop boss 2e, the optional stop boss 2e can be easily placed in the enlarged diameter portion 6m. Next, as shown in FIG. 5B, the option unit 6 is pushed downward, that is, pushed out of the main body 2, and the casing 6a is inserted through the opening 2b. At this time, since the inner diameter of the guide groove 6j is formed substantially the same as the outer diameter of the option stop boss 2e, the casing 6a slides downward while the direction is regulated by the guide groove 6j and the option stop boss 2e. It will be. Then, as shown in FIG. 5C, the option unit 6 is further pushed downward, and the option fixing boss 2e is accommodated in the accommodation recess 6h on the back surface side of the screwing part 6e provided continuously to the guide groove 6j. Then, the first main body side locking portion 2d on the outer peripheral surface of the option fixing boss 2e is inscribed in the first option side locking portion 6i on the inner surface of the upper hook portion 6g on the back surface side of the screw fixing portion 6e. Then, both the locking portions 6i and 2d are engaged, and the second option side locking portion 6k on the lower surface of the hook portion 6p on the surface side of the casing 6a is used as the second main body side locking portion 2f of the lower wall 2a. The two locking portions 6k and 2f are engaged with each other. As a result, the option unit 6 is suspended vertically from the opening 2b to the outside of the main body 2 and is locked to the main body 2 in a state where the position is regulated in the front and rear (front and back) left and right. Thereafter, the option unit 6 is fixed to the main body 2 by inserting a screw into the screw insertion hole 6f of the screw fixing portion 6e and screwing the screw into the screw hole of the option fixing boss 2d.

  As described above, in the housing information board 1, most of the casing 6 a of the option unit 6 can be provided in an empty space between the lower wall 2 a of the main body 2 and the external embedded box.

  Therefore, according to the house information board 1, since the option unit 6 can be additionally provided, the space for providing the option unit 6 can be eliminated, and thus the main body 2 can be reduced in size. As a result, the housing composed of the main body 2 and the cover 3 can be reduced in size.

  Here, the option unit 6 will be described in detail. FIG. 6 is a top view and a bottom view of the option unit 6. The option unit 6 has a printed circuit board 6r inside, and a circuit for performing additional functions not provided in the standard functions such as the recording function, the call button function, and the water leakage function is provided on the circuit board. A connector terminal 6s for connecting internal wiring is provided on the upper end surface 6d side of the option unit 6, and a connector terminal 6u for connecting external wiring is provided on the substrate 6r on the lower end surface 6t side. ing.

  Next, a procedure for connecting wiring to the option unit 6 will be described. First, external wiring is drawn into the main body 2 from the opening 2b of the main body 2 embedded in the wall surface, and a lead wire with a connector is crimped to the external wiring. Then, the connector of the lead wire is connected to the connector terminal 6u. When the connection is completed, the external wiring and the lead wire are pushed again to the outside of the main body through the opening 2b. At this time, as shown in FIG. 1B, the opening 2b is opened not only in the lower wall 2a but also in the side wall direction, so that it is easy to pull out or pull in the external wiring. Thereafter, the connector of the internal wiring is connected to the connector terminal 6s, and then the option unit 6 is inserted into the opening 2b as described above.

  Although the present invention is as described above, the main body of the housing information board may be embedded in the wall surface by mounting in a wooden frame method using a rafter instead of being mounted in the embedded box, An embedded box is not necessary.

The housing information board which is an example of the electronic device of this invention is shown, (a) is a front view in the state where the cover was attached to the main body, and the optional member was attached to the main body, (b) is a side view, ) Is a bottom view. The main body same as the above is shown, and both (a) and (b) are perspective views of the inner surface of the main body, and are views showing a state where an optional member is not mounted. The optional member same as the above is shown, (a) is a front view, (b) is a rear view (guide groove side) view, and (c) is a sectional view taken along the line CC of (a). The main body same as the above is shown, both (a) and (b) are front views of the inner surface of the main body, and are views showing a state before and after the optional member is inserted into the opening. The main body same as the above is shown, and each of (a) to (c) is a cross-sectional view of a portion corresponding to the VV line portion of FIG. 4 (a), showing the insertion from the insertion of the optional member to the mounting. It is. The option member same as the above is shown, (a) is a plan view and (b) is a bottom view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing information board 2 Main body 2a Lower wall 2b Opening part 2c Bottom wall 2d 1st main body side latching | locking part 2e Option stop boss 2f 2nd main body side latching part 3 Cover 4 Display monitor 5 Call button 6 Option unit 6a Casing 6b Front surface 6c Back surface 6d Upper end surface 6e Screw stop portion 6f Set screw insertion hole 6g Back side hook portion 6h Housing recess 6i First option side lock portion 6j Guide groove 6m Expanded portion 6k Second option side lock portion 6n Driver insertion part 6p Front side hook part 6r Substrate 6s Connector terminal 6u Connector terminal 6t Lower end surface

Claims (3)

In an electronic device comprising a box-shaped main body embedded in a wall surface and a cover attached to the front surface of the main body,
The main body is provided on a lower wall of the main body, and an opening portion into which the option member is inserted from the inside of the main body and a locking portion formed on the upper end portion of the optional member are locked. An electronic device comprising a main body locking portion. A boss is erected from the bottom wall of the main body at the top of the opening, the boss is used as the main body locking portion, the optional member is locked to the boss, and is fixed by screwing. The electronic device according to claim 1.   3. The electron according to claim 2, wherein a guide groove having an inner diameter substantially equal to an outer diameter of the boss is formed on a back surface of the option member to guide insertion of the option member into the opening. machine.

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