JPH0557716B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a wiring device for a telephone that allows a modular jack for a telephone to be attached to a mounting surface such as a wall.

[Background technology] Conventionally, the fifth type of wiring equipment for telephones of this type was
There is a body 10' shown in FIG. 1 and FIG.
It consists of a plate 32 attached to the upper surface of the
A collar 31 is provided around the opening of the body 10', and a screw hole 33 is bored in the collar 31 for attaching the body 10' to a wall box (not shown). This body 10' is provided with a modular jack 3 into which a plug attached to the tip of a telephone cord is removably inserted, and a contact piece (not shown) on the inner surface of the plug insertion part of this modular jack 3 ), and terminals 34 to which central lines are connected are arranged on both sides of the modular jack 3. This terminal 34 consists of a fixing screw to which a holding plate is attached, and a terminal plate to which the fixing screw is screwed together to sandwich and fix the central line between the holding plate and the fixing screw. The plate 32 has an insertion hole 14 for inserting a plug into the module jack 3.
This insertion hole 14 is provided with a door 15 that can be opened and closed to close the insertion hole 14 when the modular jack 3 is not in use.

However, in this telephone wiring device, a cover that is attached to the opening surface of the body 10' in which the module jack 3 is housed is integrally formed with a plate 32. For this reason, the plate 32 cannot be replaced, and there is an inconvenience that various plates 32 cannot be arbitrarily replaced to match the interior of the room.
Also, since the plate 32 is dedicated to the modular jack, other equipment, such as a power supply, can be used inside the body 10'.
There was a problem where it was not possible to connect 100V outlets, TV terminals, etc.

Therefore, in order to improve the above points, body 1
A telephone wiring device equipped with a cover 11' for 0' is shown in FIGS. 7 to 9. This telephone wiring device has a body 10' to which the above-mentioned modular jack 3 is attached, which is integrally attached to a metal mounting frame 2' with standardized modular dimensions that can be attached to a wall box or the like. A cover 11' is provided to cover the front surface of the body 10', and a plate 32' is attached to the periphery of the cover 11'.
In this conventional example, the cover 11' is attached to a plate 32', and the cover 11' is attached to the body 10' by attaching the plate 32' to the attachment frame 2'. The cover 11' is also formed with an insertion hole 14 for inserting a plug into the modular jack 3, and this insertion hole 14 is provided with a door 15 that can be opened and closed to close the insertion hole 14 when the modular jack 3 is not in use. There is.

However, in this conventional example, although the body 10' to which the modular jack 3 is attached can be attached to the metal attachment frame 2', there is a problem that the body 10' cannot be attached to the synthetic resin attachment frame. Yes, body 10' and cover 1
Since body 1' is separated by the time plate 32' is attached, body 1' is separated during construction.
There was a risk that parts would fall off from 0' and be lost or damaged.

[Object of the Invention] The present invention has been made in view of the above-mentioned points, and its object is to be able to be mounted on a synthetic resin mounting frame, and to prevent parts inside the body from being lost during construction. To provide a wiring device for a telephone that does not cause damage or damage.

[Disclosure of the Invention] (Structure) The present invention comprises a synthetic resin mounting frame with standardized modular dimensions that can be attached to a wall box, etc., and a standardized mounting frame that can be detachably attached to the mounting frame by a locking means. Consisting of a modular-sized wiring device body and a plate attached to the front side of the mounting frame, the wiring device body is shaped like a box with an open top and houses a modular jack for a telephone into which a plug connected to a telephone is inserted. and a cover attached to an opening surface of the body, a locking portion is formed on the cover, and a locked portion to which the locking portion is locked is formed on the body. , a door having an insertion hole formed in the cover for inserting a plug into the modular jack, and having both ends engaged with sliding grooves formed from both inner walls of the insertion hole to the inside of the cover so that the door can be slidably opened and closed; The main body of the wiring device can be attached to a synthetic resin mounting frame using a locking means, and the locking part formed on the cover of the wiring device body can be attached to a locking part formed on the body. The cover is attached to the body by being locked to the body, and the body and cover can be installed in a state where they are integrated. Further, the body of the wiring device is provided with a protrusion as a locking means for attaching to a synthetic resin mounting frame and an engaging recess as a locking means for attaching to a metal mounting frame. ,
The wiring device can be attached to either a standardized synthetic resin mounting frame or a metal mounting frame. Furthermore, inside the body, there is a terminator that is connected to the end of the office line and consists of a resistor and a capacitor to detect whether the telephone line is in use, and a disconnector that connects or disconnects this terminator from the office line. It houses a separation switch, and by connecting the terminator and the office line with the separation switch, it is possible to check for breaks in the office line, crosstalk, and crosstalk.

(Example) Figure 1 shows an exploded perspective view of the entire telephone wiring device, and this example shows a synthetic resin wire attached to a wall box (not shown) buried in a recess formed in a wall. The wiring device main body 1 is attached to the mounting frame 2, and a plate (not shown) is attached to the front side of the mounting frame 2.

General wiring equipment uses module dimensions standardized by JIS. Synthetic resin mounting frame 2 formed to the dimensions of this module
The mounting frame 2 is attached to the wall box by inserting box screws into the insertion holes 21 bored at both ends thereof and screwing the box screws into the wall box. In the elastic mounting portions 24 on both sides of the mounting frame 2, three pairs of locking recesses 22 are provided in series to which a general one-module wiring device can be mounted. Note that the plate is attached to the mounting frame 2 by screwing screws into the screw holes 25 of the mounting frame 2.

The wiring device main body 1 of this embodiment is formed in the size of 3 modules of a general wiring device, and is a box-shaped body with an open top surface that houses a modular jack 3 for a telephone into which a plug connected to a telephone is inserted. 10, and a cover 11 that is attached to the opening surface of the body 10. Inside the body 10, there is a CR composite component 4 which is a terminator connected to the end of the central office line and detects whether the telephone line is in use, and a terminal for connecting or disconnecting the CR composite component 4 to the central office line. A separation switch 5 is housed therein. This separation switch 5 and CR composite part 4
As shown in FIG. 4, the switch 5 is mounted on a printed cutting board 6 disposed within the body 10, and the cutting switch 5 and the module jack 3 are connected by a lead wire 7. At the top of this separation switch 5 there is an operation for switching the separation switch 5, that is, 5.
A is attached. Further, a terminal portion 8 for connecting a central line is formed on the bottom side of the body 10 to which the modular jack 3 is attached, and a cover 12 is attached to the terminal portion 8. A contact piece inside the module jack 3 is connected to this terminal portion 8.
Further, a pair of locking portions 13 are formed on the periphery of the opening of the body 10 as locking portions each having an insertion hole 13a formed in the vertical direction.

The cover 11 has a protrusion 11a formed by raising the center part in the width direction one step higher, and this protrusion 11a is inserted into the opening window 23 of the mounting frame 2 so that it protrudes from the upper surface of the mounting frame 2 and is exposed. It's getting old. This protrusion 11a is provided with an insertion hole 14 for inserting a telephone plug (not shown) into the modular jack 3, into which the plug is inserted when the plug is not inserted into the modular jack 3. hole 14
A door 15 is provided to close the door. This insertion hole 14
From both side walls to the inside of the cover 11, the fourth
As shown in the figure, sliding grooves 16 are formed to hold both sides of the door 15, and the door 15 can be slid along the sliding grooves 16 by holding a knob 15a provided upright at the rear end of the door 15. By doing so, the door 15 can be opened and closed. Further, an opening 17 for the operating knob 5a of the separation switch 5 is also formed on the upper surface of the protrusion 11a. A pair of claws 18 as locking portions are formed on both sides of the cover 11 to protrude downward, and these claws 18 are connected to the body 10.
Insert into the insertion hole 13a of the locking part 13, and press the claw 18.
The cover 11 is attached to the body 10 by hooking the locking piece 18a, which projects outwardly at the tip, onto the lower edge of the locking portion 13.
Projections 19 are formed on both upper sides of the claws 18 as locking means for attaching the wiring device main body 1 to the synthetic resin mounting frame 2. By locking at the positions 22, the mounting frame 2 and the wiring device main body 1 are fixedly attached.

An engagement recess 30 is formed on the side surface of the protrusion 11a, and this engagement recess 30 is formed on the inner periphery of the opening window of the attachment frame when the wiring device main body 1 is attached to the metal attachment frame. The wiring device main body 1 can be attached to both the synthetic resin mounting frame 2 and the metal mounting frame using the protrusion 19 and the engagement recess 30. .

Below, the assembly of this embodiment will be briefly explained. First, a locking portion 1 of a body 10 in which a module jack 3, a separation switch 5, etc. are housed.
3, by inserting the claws 18 of the cover 11, the body 10 and the cover 11 are assembled together to assemble the wiring device main body 1. By inserting and locking the protrusion 19 of the cover 11 of this wiring device main body 1 into the locking recess 22 of the mounting frame 2, the mounting frame 2
and the wiring device main body 1 are connected. At this time, the protrusion 11a of the wiring device main body 1 is connected to the opening window 2 of the mounting frame 2.
From 3 onwards, it becomes protruding and exposed. Figure 3 shows the appearance after assembly. As described above, according to the present embodiment, the locking portion 13 is formed on the body 10, and the claw 18, which is ignored by the locking portion 13, is formed on the cover 11, so that the mounting frame of the wiring device main body 1 can be easily fixed. Since the cover 11 is attached to the body 10 when it is attached to the body 10, the parts inside the body 10 will not fall off and be lost or damaged. Further, since the cover 11 is formed with a protrusion 19 for attaching the wiring device main body 1 to the synthetic resin mounting frame 2, the wiring device main body 1 can be attached to the synthetic resin mounting frame 2.

[Effects of the Invention] As described above, the present invention has a locking portion formed on the body and a locking portion that is locked on the locking portion formed on the cover, so that it is easy to attach the wiring device main body. When installing the wiring device to the frame, the cover can be attached to the body, so parts inside the body will not fall off and be lost or damaged. A protrusion is provided as a locking means for attaching to the mounting frame, and an engaging recess is provided as a locking means for attaching to a metal mounting frame, so the wiring device body can be attached to a synthetic resin mounting frame by locking. and can also be attached to a metal mounting frame by locking, and the common wiring device main body can be attached to either a synthetic resin mounting frame or a metal mounting frame. This has the effect of making it possible to standardize parts. In addition, the cover has a hole for inserting a plug into the module jack, and a door that can be slidably opened and closed by engaging sliding grooves formed inside the cover from both inner walls of the insertion hole. Because of this, when the modular jack is not in use, the door can be slid closed to block the insertion hole, which prevents dirt and dust from entering the modular jack and also prevents children from playing around with it. play. Also, inside the body,
It houses a terminator consisting of a resistor and a capacitor that is connected to the end of a central office line and detects whether the telephone line is in use, and an isolation switch that connects or disconnects this terminator from the central office line. Therefore, by connecting the terminator and the central office line using a disconnection switch, it is possible to check for disconnections in the central office line, crosstalk, and crosstalk.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of one embodiment of the present invention;
The figure is a front view of the body of the same wiring device as above.
Figure a is a front view of the wiring device after assembly, figure b is a bottom view of the same, figure c is a sectional view taken along line X-X of the same, and figure 4
The figure is a sectional view taken along the line A-C in Figure 3a, Figure 5 is an exploded perspective view showing the conventional example, Figures 6a and b are front and side views with the same plate removed, and Figure 7 a,
b is a front view and a side view showing another conventional example, FIG. 8 is a front view of the same cover, and FIG. 9 is a front view showing a body formed integrally with the above mounting frame. 1 is the wiring equipment body, 2 is the mounting frame, 3 is the module jack, 4 is the CR composite part, 5 is the separation switch, 10 is the body, 11 is the cover, 13 is the locking part, 14 is the insertion hole, 15 is the door, 16 is a sliding groove, 1
8 is a claw, 19 is a protrusion, and 22 is a locking recess.

Claims (1)

[Claims] 1. A synthetic resin mounting frame with standardized modular dimensions that can be attached to a wall box, etc., a wiring fixture body with standardized modular dimensions that can be detachably attached to the mounting frame by a locking means, and the above-mentioned mounting a plate attached to the front side of the frame; A locking portion is formed on the cover, a locked portion is formed on the body to which the locking portion is locked, and a plug for the module jack is formed on the cover. An insertion hole is formed, and a door is provided that can be slidably opened and closed by having both ends engaged with sliding grooves formed from both inner walls of the insertion hole to the inside of the cover, and is integrated into the body of the wiring device body. A protrusion is provided as a locking means for mounting on a resin mounting frame, and an engaging recess is provided as a locking means for mounting on a metal mounting frame. Telephone wiring characterized in that it houses a terminator consisting of a resistor and a capacitor for detecting that the line is in use, and a disconnection switch that connects or disconnects the terminator from the central office line. utensils.