JP5841832B2 - Intercom equipment - Google Patents

Description

  The present invention relates to an interphone device, and more particularly to an interphone device having a structure in which a back portion is housed in an embedded box embedded in a wall surface and attached to the wall surface.

There is an intercom device having a structure in which a back portion is housed in an embedded box (also referred to as a switch box) embedded in a wall surface and attached to the wall surface. The structure in which the back portion is housed in the wall surface is widespread because the wiring is not exposed and the exposed portion of the intercom device can be formed thin (see, for example, Patent Document 1).
Such an intercom device is configured by arranging a decorative panel provided with a speaker hole, a microphone hole, an operation button hole, etc. on the front, and mounting a unit in which a speaker, a microphone, an operation button, etc. are assembled on the back, This unit is housed in the embedding box and attached to the wall surface.

JP 2005-136700 A

As described above, in the conventional intercom device configured to be embedded in the wall surface, the operation buttons are assembled together with other members in the unit that is the same case, so it is structurally difficult to replace the operation buttons. .
On the other hand, in the case of an interphone handset installed at the entrance, etc., which is one of the interphone devices, the call button, which is an operation button, is a part that is exposed to the outside, and some users want to change the size and color. There was a request. Also, the call button may break down due to heavy hitting, condensation, etc. In such a case, the unit must be disassembled and replaced or the entire unit must be replaced, which is cumbersome and expensive. It was.

  Therefore, in view of such problems, the present invention provides an intercom device that makes it easy to attach and detach operation buttons from a unit that incorporates a plurality of members, and allows operation buttons having different shapes to be assembled. It is an object.

In order to solve the above-mentioned problems, the invention of claim 1 includes a panel constituting the front surface of the interphone device and a unit in which at least a speaker, a microphone and an operation button of the interphone device are assembled and integrated, in intercom devices to be installed and used on a wall surface by assembling unit, the unit includes a button unit having an operation button, separable der Rutotomoni to the unit body assembled with the other member, the button unit unit A connecting portion for connecting to the main body is provided, and the unit main body alone can be assembled to the panel.
According to this configuration, since the button unit can be separated from the unit, the operation button can be replaced without disassembling the unit, and when the operation button has a problem, only the operation button can be easily replaced. . In addition, it is possible to easily change the color of the operation buttons according to the user's preference and installation location, and to provide an intercom device with excellent design.
In addition, since the button unit itself equipped with the operation buttons can be removed, it is possible to assemble operation buttons of different shapes using the entire installation space of the button unit. It is also possible to change to the operation button.

From According to a second aspect of the invention, in the configuration of claim 1, the button unit includes a button device comprising an operation button and the contact member, the button frame having a holding portion及beauty connecting portion for holding the button device The button device can be attached and detached from the back of the holding portion, and the button device can be attached and detached from the back of the unit in a state where the button unit is connected to the unit body and assembled to the panel.
According to this configuration, the button device can be attached and detached without removing the unit from the panel, and the operation buttons can be easily replaced.

According to a third aspect of the present invention, in the configuration according to the first or second aspect, the unit main body has a locking projection for locking the button unit, and the coupling portion is externally engaged with the locking projection to be engaged. And the locking protrusion has a rotation prevention rib for preventing rotation of the connected button unit.
According to this configuration, the degree of freedom of the button unit is eliminated and the state is temporarily fixed by inserting the locking protrusion into the cylindrical body. Therefore, it is easy to attach the unit main body and the button unit to the panel.

According to a fourth aspect of the present invention, in the configuration according to the third aspect, the locking projection has an insertion hole through which a bolt for fixing the unit main body to the panel is inserted, and the button unit is shared with the unit main body by the bolt. It is fastened and fixed to the panel.
According to this configuration, the button unit temporarily fixed to the unit main body is fastened together with the unit main body and fixed to the panel, so that it is not necessary to perform a fixing operation with a bolt or the like, and the mounting operation is easy.

According to the present invention, since the button unit can be separated from the unit, the operation button can be replaced without disassembling the unit, and when the operation button is defective, only the operation button can be easily replaced. . In addition, it is possible to easily change the color of the operation buttons according to the user's preference and installation location, and to provide an intercom device with excellent design.
In addition, since the button unit itself equipped with the operation buttons can be removed, it is possible to assemble operation buttons of different shapes using the entire installation space of the button unit. It is also possible to change to the operation button.

An example of the intercom apparatus concerning this invention is shown, (a) is a front view perspective view, (b) is a back view perspective view. FIGS. 1A and 1B show a single unit of FIG. 1, and FIG. 2B is a perspective view in which a button unit is separated. It is a rear view perspective view which shows the state which removed the button apparatus from the unit. It is a front view perspective view which shows the state which removed the button apparatus from the unit. It is a rear view perspective view which shows a mode that a unit is assembled | attached to a panel.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings. 1A and 1B show an example of an interphone device according to the present invention, where FIG. 1A is a front perspective view and FIG. 1B is a rear perspective view showing an interphone slave installed at a front door or the like. In FIG. 1, reference numeral 1 denotes a panel constituting the front surface of the intercom device, and 2 denotes a unit containing structural members. The unit 2 is mounted on the rear surface of the panel 1. This intercom device is installed by housing the unit 2 in an unillustrated embedding box embedded in the wall surface, and only the panel 1 is exposed to form an operation surface.

  The panel 1 has a sound reporting hole 12 for reporting the sound of a speaker arranged in the unit 2, a sound collecting hole 13 for collecting a microphone in the unit 2, and a call button 6 as an operation button. A button hole 14 provided, a screw insertion hole 15 for mounting on the wall surface, and the like are provided, and stud bolts 16 (shown in FIG. 5) for fixing the unit 2 by screwing nuts on the back face project in three places. It is installed. The screw insertion holes 15 are provided at four locations on the panel 1, and are attached to the wall surface by inserting screws and fixing the panel 1 to the embedding box. Reference numeral 17 denotes a waterproof seal material provided around the back surface of the panel 1.

  2A and 2B show the unit 2, in which FIG. 2A is a perspective view and FIG. 2B is a perspective view in which a button unit is separated. The unit 2 is divided into a unit main body 3 and a button unit 4. The unit main body 3 is a substantially rectangular box, and a microphone 19 and a speaker 20 are incorporated therein. A button unit housing portion K that is a space for assembling the button unit 4 is cut out in an L shape. Yes.

In addition, cylindrical bolt insertion portions 31 through which the stud bolts 16 provided on the panel 1 are inserted are provided at three places around the periphery. One of the bolt insertion portions 31 is provided in the vicinity of the button unit housing portion K, and also serves as a locking protrusion 32 that locks the button unit 4.
The locking protrusion 32 is formed so as to fit a connecting portion 42 (described later) of the button unit 4, and has a conical shape that is narrowed toward the front on the panel 1 side. Further, a rotation prevention rib 33 is provided on the side surface of the locking projection 32 so as to prevent the rotation of the connecting portion 42 fitted outside.
Further, the button unit housing portion K is formed with a wall-like rib 34 for preventing the attached button unit 4 from moving.

The button unit 4 includes a button device 8 having a call button 6, and a button frame 9 having a holding portion 41 that holds the button device 8 and a connecting portion 42 that is connected to the unit body 3.
3 and 4 show the interphone device in a state where the button device 8 is separated from the unit 2 assembled to the panel 1, FIG. 3 is a rear perspective view, and FIG. 4 is a front perspective view. As shown in FIG. 3, the holding part 41 of the button unit 4 is formed in a cylindrical shape, and is provided with screw holes 82 for screwing the button device 8 at two places around the diameter direction. As shown in FIG. 1B, the button device 8 is accommodated in the holding portion 41 and then fixed by two screws 81.

The button device 8 includes a substrate 85 provided with a contact member 84 for outputting an operation signal of the call button 6 via a coil spring 83 on the back of the disk-shaped call button 6, and the substrate 85 is a box-shaped contact box. 86. The contact box 86 includes a lid member 86a and a bottom member 86b, and a mounting piece 87 for assembling to the holding portion 41 is formed on the bottom member 86b.
A lead wire (shown in FIG. 5) 10 is connected to the contact member 84, and is connected to a predetermined portion (terminal) of the unit body 3 when the button unit 4 is assembled to the unit body 3.

  On the other hand, the connecting portion 42 connected to the unit main body 3 is formed in a cylindrical shape as shown in FIG. 2 (b). A slit 44 is formed. Due to the projection 43, the connecting portion 42 fitted on the locking projection 32 requires a press-fitting operation, and the rotation prevention rib 33 is fitted to the slit 44 to prevent the rotation. As a result, the button unit 4 is temporarily fixed to the unit body 3.

The flow of assembling the intercom equipment configured as described above and removing the operation switch will be described next. FIG. 5 is an explanatory perspective view showing a state in which the unit 2 is assembled to the panel 1 and will be described based on this figure.
First, the button unit 8 is assembled to the button frame 9 and screwed to assemble the button unit 4. Specifically, the substrate 85 is accommodated in the contact box 86, the lead wire 10 is pulled out, the button device 8 having the calling button 6 disposed at the tip is accommodated in the button frame 9, and the mounting piece 87 of the contact box 86 is attached to the button frame 9 These two screw holes 82 are matched with each other and fixed with screws 81.

After the button unit 4 is completed, the lead wire 10 is connected to a predetermined connection portion of the unit main body 3 and attached to the unit main body 3 as shown in FIG.
The connecting portion 42 is disposed on the locking protrusion 32 of the unit main body 3, and the holding portion 41 including the button device 8 is disposed in the button unit housing portion K, and the locking protrusion 32 is press-fitted into the connecting portion 42. As a result, the button device 8 is accommodated in the button unit accommodating portion K, the projection 43 provided on the coupling portion 42 engages with the locking projection 32, and the coupling portion 42 comes into close contact with the locking projection 32. At the same time, the rotation prevention rib 33 of the locking protrusion 32 and the slit 44 provided in the connecting portion 42 are engaged to prevent the button unit 4 from rotating. Further, a rib 34 provided in the button unit housing portion K engages with an end portion of the button unit 4. As a result, the button unit 4 is temporarily fixed to the unit body 3 in a stable state.

The unit 2 in which the button unit 4 is temporarily fixed to the unit body 3 and integrated is assembled to the panel 1. Three stud bolts 16 provided on the back surface of the panel 1 are inserted into the corresponding bolt insertion portions 31 of the unit 2. By this operation, the call button 6 is exposed from the button hole 14 of the panel 1 and can be operated from the front surface of the panel 1.
The inserted stud bolt 16 is exposed to the back of the unit 2 by bringing the unit 2 into close contact with the panel 1. The nuts 23 are screwed into the three stud bolts 16 thus exposed through the washers 22 and tightened to fix the unit 2 to the panel 1.
As a result, the unit main body 3 is fixed to the panel 1 at three locations, and the connecting portion 42 of the button unit 4 is fastened together with the unit main body 3 with the stud bolt 16 via the locking projection 32, so that the button unit 4 Is firmly fixed together with the unit body 3.

  The locking projection 32 can be inserted through the stud bolt 16 and fixed with the nut 23 even if the connecting portion 42 is not externally fitted, and the unit main body 3 alone can be mounted on the panel 1 satisfactorily.

When only the button device 8 is removed in a state where the unit 2 is assembled to the panel 1, the operation is as follows. By removing the two screws 81 fixing the button device 8 to the button frame 9, the button device 8 can be removed from the back of the unit 2 as shown in FIG. Moreover, since the call button 6 and the board 85 are separated and removed from the button device 8 that has been removed, it is easy to replace parts without the need for disassembly work.
In addition, when exchanging the button unit 4 whole, if one nut 23 fastened together is removed, the button unit 4 can be easily removed and can be replaced | exchanged with the unit 2 attached to the panel 1.

As described above, since the button unit 4 can be separated from the unit 2, the call button 6 can be replaced without disassembling the unit 2, and only the call button 6 can be easily replaced when a problem occurs in the call button 6. Is possible. In addition, it is possible to easily change the color of the call button 6 according to the user's preference and installation location, and to provide an intercom device with excellent design.
Further, since the button unit 4 itself provided with the call button 6 can be removed, it becomes possible to assemble operation buttons having different shapes using the entire mounting space of the button unit 4, and the options of the call button 6 are widened and the usage environment is increased. It is also possible to change the call button 6 to a shape suitable for the above.
Moreover, since the degree of freedom of the button unit 4 is lost by temporarily inserting the locking protrusion 32 into the connecting portion 42, the unit main body 3 and the button unit 4 are integrally attached to the panel 1. Easy to do.
Furthermore, since the button unit 4 temporarily fixed to the unit body 3 is fastened together with the unit body 3 and fixed to the panel 1, it is not necessary to perform a separate fixing operation with a bolt or the like, and the mounting operation is easy. Further, the button device 8 can be attached and detached without removing the unit 2 from the panel 1, and the call button 6 can be easily replaced.

  In the above embodiment, the interphone slave unit installed at the entrance or the like has been described as an example. However, the present invention can also be applied to an interphone master unit that receives a call and responds. In this case, the call button becomes a call button for performing a response operation, and other operation buttons for performing various operations can be easily provided.

  1. Panel, 2. Unit, 3. Unit body 4. Button unit 6. Call button (operation button) 8. Button device 9. Button frame 16. Stud bolt ( Bolt), 19 ·· Mic, 20 ·· Speaker, 31 ·· Bolt insertion part, 32 ·· Lock projection, 33 ·· Rotation prevention rib, 34 ·· Rib, 41 ·· Holding part, 42 ·· Connecting part ..43..Protrusion, 44..Slit, 84..Contact member.

Claims (4)

It has a panel that constitutes the front surface of the intercom device and a unit that is integrated by assembling at least a speaker, a microphone, and an operation button of the interphone device, and the unit is assembled on the back surface of the panel and installed on a wall surface. In intercom equipment,
The unit includes a button unit having the operation buttons, separable der Rutotomoni to the unit body assembled with the other member, the said button unit connecting portion is provided for connecting to the unit body,
An intercom device characterized in that the unit body alone can be assembled to the panel. The button unit is composed of a button device comprising the operation button and the contact member, the button frame and provided with a holding portion及beauty the connecting portion for holding the button device,
The button device can be attached / detached from the back of the holding portion, and the button device can be attached / detached from the back of the unit in a state where the button unit is connected to the unit body and assembled to the panel. The intercom device according to claim 1, wherein The unit main body has a locking projection for locking the button unit,
The connecting portion is a cylindrical body that is externally engaged with and engaged with the locking protrusion, and the locking protrusion has a rotation prevention rib that prevents rotation of the connected button unit. Item 3. An intercom device according to item 1 or 2. The locking protrusion has an insertion hole for inserting a bolt for fixing the unit main body to the panel, and the button unit is fastened together with the unit main body by the bolt and fixed to the panel. The intercom device according to claim 3.

Images