JP4577184B2 - Recessed door phone device - Google Patents

Description

  The present invention relates to an improvement of an embedded door phone device that is embedded in a wall surface, and in particular, regardless of the installation direction, a drainage function that prevents rainwater or the like that has entered through a gap in the wall surface from entering a connection terminal block or the like The present invention relates to an embedded door phone device including

2. Description of the Related Art Conventionally, this type of embedded door phone apparatus is installed by being embedded in an outdoor wall surface of a front door, and is connected to an interphone master unit in the door to enable a call between a visitor and a resident.
4A and 4B are diagrams showing a conventional embedded door phone device, in which FIG. 4A shows a front view and a side view of the door phone device, and FIG. 4B shows a rear view thereof. Here, a state in which the door phone device is mounted vertically is shown.

  In the housing 100 of the door phone device D ′, a speaker that outputs sound from an interphone master unit (not shown), a microphone that collects sound on the door phone device D ′ side, the speaker, the microphone, and the like are controlled. A circuit board on which electronic components are mounted is accommodated. The front surface of the housing 100 is covered with a decorative plate 200 that protects speakers and the like housed in the housing 100 from rain and wind. The call button 200a is provided. On the back surface of the housing 100, there is provided a connection terminal block 300 in which a terminal for connecting a communication line or the like with the interphone master unit is accommodated. The connection terminal block 300 is a side view of FIG. As shown in FIG. 2, the connection terminal block 300 is configured to be stepped and embedded in a recess formed in the wall surface.

Moreover, there exists a thing of the following patent document 1 as a door phone apparatus made into the structure similar to the above-mentioned. The door phone device disclosed here also has a structure in which the side surface of the housing (housing) is formed in a stepped shape and the connection terminal block is embedded in the wall.
Japanese Utility Model Publication No. 5-88058

However, in the connection terminal block 300 of this type of door phone device D ′, connection terminals, control circuits, and the like are accommodated, and since the terminal portion 300a is exposed for connection with the interphone master unit, If rainwater or the like enters the connection terminal block 300 or the terminal portion 300a, it corrodes and causes a connection failure, or causes leakage, short circuit, and the like.
Accordingly, as shown in FIG. 4B, the conventional well-known device is provided with a drain wall 301a in which the side wall 301 of the connection terminal block 300 is inclined left and right from the central portion so that rainwater and the like are easily drained. However, when installed sideways due to the space of the installation location, there were the following problems.

FIG. 5 is a rear perspective view showing a state in which the conventional embedded door phone device shown in FIG. 4 is installed sideways.
When installed vertically as shown in FIG. 4, the side wall 301 on the upper side has a short side, so even if rainwater or the like enters, it is drained to the left and right side ends. However, as shown in FIG. When the device D ′ is installed, the upper side wall 301b of the side wall 301 has a long side, so that rainwater or the like tends to stay on the upper side wall 301b, rather than reaching the left and right ends of the side wall 301 and falling. As indicated by the arrows shown in FIG. 5, the problem tends to flow into the connection terminal block 300 and the terminal portion 300a side.

  The present invention has been made in view of the above circumstances, and an embedded door phone device having a drainage function so as to prevent rainwater or the like entering from a gap in a wall surface from entering a connection terminal block or the like regardless of the installation direction. It is intended to provide.

A recessed door phone device according to claim 1 is a rectangular housing in which at least a speaker, a microphone, and a circuit board on which electronic components for controlling the speaker and the microphone are mounted are accommodated, and a rear side of the housing In the embedded door phone apparatus having a connection terminal block, the side wall of the housing has a structure in which a drainage guide path descending to at least one side is provided on one side wall of the long side, and the drainage guide path It is formed in the middle portion of said one side wall is formed so as to fall by tilting the recess formed by cutting out a portion of the one side wall inwardly of the housing as a starting end, the one A concave cross-section that is open in the side wall direction is formed.

In the present invention, as in the invention of claim 2, the side wall of the housing has a mountain shape protruding outward from the central portion of one side wall of the short side, and has a shape in which both side portions are lowered. You can also According to a third aspect of the present invention, the connection terminal block is molded integrally with the housing so as to constitute a part of the housing, and the drainage guide path is formed integrally with a part of the connection terminal block. it can be assumed to be.

According to the embedded door phone device of the first aspect of the present invention, the drainage guide path is formed in the middle portion of the upper side wall, and is formed to descend downward from the recess, and the above Since the saddle part with a concave cross section opened in the upper wall direction is formed, even if the door phone device is installed vertically or horizontally, the water that has entered through the gap between the door phone device and the wall surface becomes the drainage guide path Can lead. Accordingly, water can be prevented from entering the connection terminal block, and corrosion, leakage, short circuit, etc. of the terminal portion can be prevented.

In the embedded door phone device according to the first aspect of the present invention, the drainage guide path is a hook part that descends downward from a recess in the middle of the upper wall side of the side wall of the housing. Further, the drainage is better, and water can be surely prevented from entering the connection terminal block.

According to the embedded door phone device of the second aspect of the invention, the upper side wall of the short side of the side wall of the housing has a shape in which the central portion is raised and its both side portions are lowered. Even if it is installed vertically or horizontally, it can have good drainage. Therefore, regardless of the installation direction of the door phone device, it is possible to prevent water from entering the connection terminal block, and it is possible to prevent corrosion, leakage, short circuit, and the like of the terminal portion.
According to the embedded doorphone device of the third aspect of the present invention, since the drainage guide path is formed integrally with the connection terminal block, rainwater or the like has entered the upper side wall in the gap between the doorphone device and the wall surface. However, the water is guided from the recess to the drainage guideway, flows through the drainage guideway, and then flows down through the side wall, so that the water flows into the inside of the connection terminal block and the terminal part. This can be prevented.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

1A is a rear view of the implantable door phone device of the present invention, FIG. 1B is a side view of the implantable door phone device of the present invention, and FIG. 2 is a diagram of the implantable door phone device shown in FIG. It is a rear perspective view. In the example shown in the figure, the door phone device has a rectangular shape and the long side is installed horizontally. However, it is needless to say that the door phone device can be installed vertically without being limited to this. Further, for the sake of explanation, in the state shown in the figure, the horizontal side is the long side and the vertical side is the short side.
In the figure, D is a door phone device, 1 is a housing thereof, 11 is a rear portion of the housing, 2 is a decorative plate, 2a is a call button, 3 is a connection terminal block, 3a is a terminal portion, 31 is a side wall, 31a is an upper side wall, 31b is a drainage guide path, 31c is a recess, 4 is an assembly screw, W is a wall surface, and Wa is a wall surface opening.

  In the housing 1 of the door phone device D, at least a speaker that outputs sound from an interphone master unit (not shown), a microphone that collects sound on the door phone device D side, and an electronic device that controls the speaker, the microphone, and the like. A circuit board on which components are mounted is accommodated. A circuit board or the like accommodated in the housing 1 is mounted on a separate plate (not shown) and fixedly attached by an assembly screw 4. The front surface of the housing 1 is covered with a decorative plate 2 that protects speakers and the like housed in the housing 1 from rain and wind. It is installed. A connection terminal block 3 protrudes and is integrally formed on the rear surface of the housing 1, and a terminal portion 3a for connecting a communication line or the like with the interphone master unit is exposed as shown in FIGS. 1 (a) and 2 It has become. As shown in FIG. 1B, the connection terminal block 3 is formed in a stepped shape with respect to the front surface of the housing 1 exposed from the wall surface W, and is embedded in a recess formed in the wall surface W. .

Here, the recess formed in the wall surface W is formed to be slightly larger than the connection terminal block 3 to be embedded, but when the door phone device D is installed on the wall surface W, the back surface portion 11 of the housing 1 and the wall surface W In the meantime, since a slight gap is generated between the connection terminal block 3 and the wall surface opening Wa, this becomes an intrusion port into which rainwater or the like enters.

The door phone device D of the present invention is characterized in that, in addition to the above configuration, a drainage guide path 31b that descends to at least one side is provided on the upper side wall 31a of the long side of the side wall 31 of the housing 1. It is.
Although the shape and structure of the drainage guide path 31b are not limited, if the collar part descending downward is integrally formed with the recess 31c in the middle of the upper wall 31a of the side wall 31 as a starting point, Even if rainwater or the like enters the upper side wall 31b from the gap as described above, the water is guided from the recess 31c to the drainage guide path 31b and flows through the drainage guide path 31b as shown by the arrow in FIG. Then, since it flows downward through the side wall 31d on the short side, there is no possibility that water flows into the connection terminal block 3 or the terminal portion 3a.

In addition, the formation position of the recess 31c is not limited, but if the recess 31c is formed in the central portion of the upper side wall 31a of the long side where water easily collects or in the vicinity thereof, and the drainage guide path 31b is provided, Since water does not stay on the central portion of the upper side wall 31a, it can be effectively drained without flowing into the connection terminal block 3 and the terminal block 3a.
That is, even if the recess 31c is formed on either of the left and right ends of the upper side wall 31a of the long side and the drainage guide path 31b is provided, rainwater or the like that has entered there does not need to pass through the drainage guide path 31b. This is because the water is drained out of the door phone device D and does not cause a problem.
And if it is set as the structure which forms the recess 31c so that the terminal part 3a may be avoided, and provides the drainage guide path 31b like the example of a figure, the permeation of the water to the inside of the connection terminal block 3 and the terminal part 3a is more reliably carried out. Can be prevented.

  The housing 1 and the connection terminal block 3 formed on the back surface of the housing 1 may be molded separately. However, if the housing 1 and the connection terminal block 3 are molded integrally, the back surface portion 11 of the housing 1 and the connection terminal block 3 are formed. There is no gap between them and water can be prevented from entering.

FIG. 3 shows a rear view of an embedded door phone device according to another embodiment of the present invention.
The embedded door phone device D shown here differs from the first embodiment in the configuration of the upper side wall 31d on the short side, and the other configurations and effects are the same as those in the first embodiment. The same reference numerals are assigned to the common parts, and the description thereof is omitted.

In the door phone device D of the present embodiment, not only the upper side wall 31a on the long side of the side wall 31 of the housing 1 but also the drainage function is provided on the upper side wall 31d on the short side.
That is, as shown in FIG. 3, if the central portion of the upper side wall 31d on the short side is raised and both sides are lowered, even if the door phone device D is installed vertically, water can enter Therefore, water can be smoothly drained and water can be prevented from entering the terminal portion 3a.
Further, with such a structure, when the door phone device D is installed sideways as shown in FIG. 3, the water that has flowed through the drainage guide path 31b can be drained with good flow, which is effective.

(A) is a rear view of the implantable door phone device of the present invention, and (b) is a side view of the implantable door phone device of the present invention. It is a rear perspective view of the embedded door phone device of the present invention. It is a rear view of the implantable door phone apparatus of another embodiment of this invention. (A) is a front view and a side view of a conventional embedded door phone device, and (b) is a rear view of the conventional embedded door phone device. It is a back perspective view which shows the state which installed the conventional implantable door phone apparatus sideways.

Explanation of symbols

D Doorphone device 1 Housing 11 Rear portion 2 of housing 2 Cosmetic plate 2a Call button 3 Connection terminal block 3a Terminal portion 31 Side wall 31a Upper side wall 31b Drainage guide path 31c Recess W Wall surface Wa Wall surface opening

Claims (3)

At least a speaker and a microphone and the speaker and a housing and the circuit board is made of is accommodated rectangular mounting the electronic components for controlling the microphone, implantable door phone and a connection terminal block on the rear side of the housing In the device
The side wall of the housing has a structure in which a drainage guide path descending to at least one side is provided on one side wall of the long side,
The waste water guide passage is formed in the middle portion of the side wall is formed so as to fall by tilting the recess formed by cutting out a portion of the one side wall inwardly of the housing as a starting end In addition, the embedded door phone device is formed with a saddle portion having a concave cross section opened in the one side wall direction. In claim 1,
The embedded type door phone device in which the side wall of the housing has a mountain shape projecting outward from the central portion of one side wall of the short side, and the both side portions are lowered. In claim 1 or claim 2,
The connection terminal block is molded integrally with the housing so as to constitute a part of the housing,
The drainage guide path is an embedded door phone device formed integrally with a part of the connection terminal block.

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