JPS6381772A - Telephone modular jack - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Technical Field] The present invention relates to a telephone modular jack, and more specifically, a modular block is provided in a casing, to which a plug inserted through a plug insertion opening opened on one side of the casing is detachably connected. This invention relates to a telephone monophonic jack equipped with a telephone monophonic jack.

[Background Art] In this type of telephone monophonic jack that has been provided conventionally, the terminal portion for connecting to the telephone fi5 is a screw terminal equipped with a terminal screw 7, as shown in FIG. Therefore, it takes time to loosen and tighten the terminal screw 7, and since the tightening torque varies depending on the installer, there is a problem that the reliability of the connection of the telephone line 5 cannot be guaranteed.

In order to solve this problem, it is conceivable to use a connecting terminal as shown in FIGS. and release button 8 are required, and there are many parts.
Moreover, since it was necessary to assemble the release button 8, the locking spring 32', and the terminal frame 31' in this order into the casing 1, the parts could get tangled with each other, making the assembly work troublesome.

[Object of the Invention] The present invention has been made in view of the above-mentioned points, and its object is to use a terminal portion as a connecting terminal so that constant contact reliability can be obtained regardless of the operator. And to provide a telephone monorail-7 which is easy to assemble by forming the terminal frame of the connecting terminal and the locking spring into blocks.

[Disclosure of the Invention] (Structure) The telephone modular jack according to the present invention includes a modular error block in the casing to which a plug inserted through a plug insertion opening opened on one side of the casing is detachably connected. In a telephone modular jack that has a terminal part that is electrically connected to each contact pin, the terminal part is made of a terminal frame made of a conductive material and a spring material, and the terminal part is connected to the terminal frame by applying a spring force in the direction of approaching the terminal frame. The terminal frame and the locking spring are connected together by a locking means to form a terminal block, and are partitioned within the casing to match the terminal block. The terminal block is housed in the connecting terminal storage section, and the terminal frame and locking spring of the connecting terminal are integrated into a block to facilitate assembly.

(Example) In the following explanation, the direction in FIG. 1 is assumed to be downward, and the upward direction in FIG. 2 is assumed to be forward. However, terms indicating these directions are used for convenience of explanation, and The mounting direction is not limited.

As shown in Figure 1, the telephone modular jack is
Basically, it consists of a casing 1 consisting of a body 11, an upper part 1, a cover 12, a modular block 2 housed in the body 11, a terminal block 3, and a door disposed in the plug insertion port 21 of the modular block 2. 4 and planted by
The body 11, cover 12, and door 4 are made of an insulating material such as synthetic resin. In particular, thermoplastic resin is used for the body 11.

The external dimensions of the casing 1 are set to be equivalent to one module of a standardized wiring device module so that it can be attached to a ready-made mounting frame, and as will be described later, the wiring device is also equipped with monoyl. It can be attached to a ready-made mounting frame. Outer flange pieces 13 extend from both left and right sides of the front end of the body 11, and coupling holes 14 are formed in each outer flange piece 13, respectively, penetrating back and forth. On the other hand, outer flange pieces 17 are extended to both the left and right i portions of the rear end of the cover 12, and seven hooks 15 are provided at the tips of the left and right sides of the rear surface of each outer flange piece 17. A connecting leg piece 16 is extended. Therefore, the connecting leg piece 16 is inserted into the connecting hole 14, and the 7 pieces 15 are inserted into the connecting hole 1.
4, the body 11 and cover 12 are joined together as shown in FIG. 17.

The inside of the body 11 is partitioned into three left and right sections by a pair of partition pieces 51 running in the vertical direction. The central compartment is a moji error storage section 52 in which the moji error block 2 is stored.

On the surface of the partition piece 51, which is the inner surface of the modular storage section 52, a raised bottom lip 54 extending in the front and rear direction is provided.
As shown in FIG. tIS2, when the modular block 2 is mounted inside the body 11, the rear surface of the modular block 2 floats above the bottom surface of the body 11. Inside each left and right compartment in the body 11 is a pair of partition pieces 55 running left and right.
The terminal block 3 is divided into 3 sections each.
A terminal accommodating portion 53 is formed that is large enough to accommodate terminals one by one. That is, a maximum of six terminal blocks 3 can be stored. Terminal storage? ! A partition plate 56 running in the front-rear direction is formed on the surface of the partition piece 51, which is the inner surface of the '553, at the vertical center position of the terminal storage part 53.

The cover 12 has a plug insertion port 61 that opens at the center of the front surface.
have. A pair of locking pawls 62 are protruded from the tip edges of the left and right outer flange pieces 17 of the cover 12, and a locking recess is provided in the stepped portion 18 formed at the base of the outer flange piece 17. 63
is formed. The plug insertion port 61 has a substantially rectangular shape, and has a notch frS shaped like a two-step staircase at the bottom.
64. Cover 12 to body 1
1, the front surface of the mono error block 2 attached to the body 11 and the plug insertion port 61 of the cover 12
A space having an appropriate thickness is formed between the opening peripheral edge and the rear surface of the opening.

The monoler block 2 has a mozier body 21 made of an insulating material such as synthetic resin, and the monoler body 21 is formed with a plug insertion hole 22 penetrating from the front and back. A large number of elastic linear contact pins 23 are protruded into the plug insertion hole 22, and a plug insertion port 61 opens the plug (not shown) in the front surface of the casing 1.
When inserted through the plug, each contact pin 23 comes into elastic contact with the corresponding contact of the plug so that they are electrically connected to each other. A lead wire 24 electrically connected to each contact pin 23 is drawn out from the rear side surface of the modifier main body 21. Further, retaining lips 25 are provided on both left and right sides of the front surface of the mononilar main body 21 so as to protrude toward the front. The thickness of the above space formed in! 1 & is set equal.

The terminal block 3 consists of a U-shaped terminal frame 31 made of a conductive material and open to the rear, and a locking spring 32 made of a spring material and installed in the terminal frame 31. As shown in FIG. 4, the terminal frame 31 has a slit 33 running in the front-rear direction on one leg, and a cut-out in the center of the other leg leaving a U-shaped opening. A piece 34 is formed. On the other hand, the locking spring 32 is made by folding a sheet metal in half at the front end to form a pair of left and right base pieces 35g and 35b.
Immediately after folding the tips of 5m and 35b diagonally forward with respect to the base pieces 35m and 35b, a pair of locking pieces 36a,
301). 8) The locking spring 32 has a slot 7) extending from the center of each base piece 35m, 35b to the tip of each corresponding locking piece 36m, 36b 37m, 37
b is formed, and each lock piece is 36 m long.

Both the upper and lower living portions of 36b can apply spring force independently. Furthermore, when the locking spring 32 is attached to the terminal frame 31, as shown in FIG. The spring 32 is held by the terminal frame 31 to form a block. Here, the locking piece 36 of the locking spring 32 at 36 bfJ' terminal frame 3
If the locking spring 32 is formed to such an extent that it comes into elastic contact with one of the leg pieces of the terminal frame 31, the locking spring 32 can be held to the terminal frame 31 more reliably. ! ! , No gap is formed between the legs of the terminal frame 31 and the tips of the locking pieces 36a, 36b, but it is used for telephone lines. Since the i-line is 0.4 to 0.65zz and is very thin, there is no problem.Furthermore, since the lock pieces 36a and 36b apply spring force independently, two wires are required for one terminal block 3. A telephone line can be connected.

There are the following methods for manufacturing the terminal block 3. That is, a sheet metal of a conductive material is pressed to form a 7-bar-shaped terminal frame, a sheet metal of a spring material is pressed to form a 7-bar-shaped locking spring, and then both are pressed. It is sufficient to form blocks in a mold and then feed these 7-shaped blocks to an assembly line while cutting them. With this method, the terminal block 3 can be supplied to the assembly line without using parts figures. In addition, the terminal frame 31
The terminal frame 31 and the locking spring 32 may be cut independently, then assembled using a block processing machine, and then fed to an assembly line using a bartz figure. In this case, the terminal frame 31 and the locking spring 32 are Since it is made into blocks, only one parts figure is needed.

The terminal block 3 formed as described above is housed in the terminal housing portion 53 of the body 11 as described above. At this time, each sleeve of the terminal frame 31 and locking spring 32) 33
, 37a, 37b are inserted into the partitions 56 to position the terminal block 3 and to prevent the pair of telephones #i5 connected to the terminal block 3 from coming into contact with each other and becoming entangled. In this way, since the terminal frame 31 and the locking spring 32 are assembled into one terminal block 3 and installed in the body 11, the body 1
This simplifies the assembly work compared to the case where the lock spring and the terminal frame are sequentially installed in the terminal frame. Each lead @ 24 pulled out from the mono error block 2 is connected to the front surface of the center piece of the terminal frame 31 using solder or the like, and each contact pin 23 of the modular block 2 is connected to each corresponding terminal block 3. They are electrically connected. body 11
As shown in FIG. 3, on the rear surface there is a M at a position corresponding to the leg of the terminal frame 31 and the tip of the locking pieces 36m and 36b.
The R insertion port 57 is open, and a release piece 58 is integrally formed in the body 11 adjacent to the wire insertion port 57. The release piece 58 is formed in a box shape that opens forward, and the tip of one leg piece is provided in a position where it can come into contact with the lock piece 36b on the rear side. l) minute W1. ．． It is flexible back and forth with respect to the body 11.

Incidentally, a door 4 is attached to the plug insertion opening 61 to prevent dirt and the like from entering the casing 1 from the plug insertion opening 61 when no plug is inserted. As shown in FIGS. 1 and 2, the door 4 is composed of a pair of upper and lower door bodies 41 and 42, and is connected to the front surface of the modular block 2 and the rear surface of the opening periphery of the plug insertion port 61 of the cover 12. The two door bodies 41 and 42 installed in the space between them are installed between a pair of right and left holding lips 25 protruding from the front surface of the modular block 2, and are guided by both holding lips 25 up and down. It can be slid freely. Lower door body 42
is arranged so that its upper end overlaps the rear of the lower door body 41. The lower door body 42 has an operating piece 43 protruding from the lower end of the front surface at the center in the left-right direction, and the left-right width of the operating piece 43 is equal to the left-right width of the lowest step of the notch 64 of the plug insertion opening 61. is set approximately equal to . The operating piece 43 is set to protrude slightly from the front surface of the cover 12. In this way, the upper door body 41 closes the upper half of the plug insertion opening 61, and the lower door body 42 closes the lower half of the plug insertion opening 61. In addition, the upper door body 41 is locked by an appropriate locking means such as a locking lip so that it does not fall downward when the plug insertion opening 61 is closed by the thickness 4.

When inserting a plug into the plug insertion slot 61 provided with the door 4 as described above, the plug is brought into contact with the lower surface of the working piece 43 and moved so as to push up the working piece 43. Insert the plug into the plug insertion port 61 while pushing up the plug 42. When the upper surface of the plug comes into contact with the lower edge of the lower door body 41, the upper door body 41 also moves upward together with the lower door body 42, the plug insertion opening 61 is opened, and the plug can be inserted into the plug insertion opening 61. Conversely, when the plug is removed from the plug insertion opening 61, both door bodies 41, 42 fall downward under their own weight, and the plug insertion opening 61 is automatically closed. In other words, when inserting a plug, the operation of listening to the door 4 and the introduction into the plug insertion port 61 are performed in a series of operations, and conversely, when the bladder is removed, the channel 4 is automatically closed.

As shown in FIG. 5, the telephone monologue jack constructed as described above can be attached to a ready-made mounting frame 71 to which a wiring module and a module can be attached. The mounting frame 71 is made of synthetic resin and has dimensions such that it can hold three wiring modules arranged vertically.

As shown in Figures 5 and 6, the left vertical frame 72 of the mounting frame 71 has a pair of locking holes 73 at positions corresponding to the mounting positions of the modules for each wiring device. The right vertical frame 74 is provided with a side frame 75 spaced apart from the right vertical frame 74 at a position corresponding to the mounting position of each wiring device module. A release piece 76 is protruded from the center of each side frame 75, and a holding hole 77 surrounded by the right vertical frame 74, side frame 75, and release piece 76 is formed on both sides of the release piece 76. . However,
The locking claw pieces 62 protruding from the left and right sides of the casing 1 of the telephone mono error gloss are inserted into the locking hole 73 and the holding hole 77.
When the casing 1 is inserted into the mounting frame 71, the casing 1 is held in the mounting frame 71. To remove the casing 1 from the mounting frame 71, use a jig such as the tip of a screwdriver to remove the right vertical frame 74 and the side PP 7.
5, the engagement with the locking claw piece 62 is released. Mounting frame 71
Horizontally long mounting holes 78 for attaching to the switch box 6 and a decorative plate (not shown) are provided at both upper and lower ends of the switch box 6.
A screw hole 79 for screwing is formed.

As the mounting frame 71, metal ones are also available,
The metal mounting frame 71 is connected to the locking hole 63 provided in the casing 1.
A locking pawl that can be inserted into the locking hole 63 is formed on the inner edge of the opening, and the casing 1 is held by plastically deforming a part of the mounting frame 71 so that the locking pawl is inserted into the locking hole 63. It looks like this.

[Effects of the Invention 1] As described above, the present invention includes a modular block in the casing to which a plug inserted through the plug insertion opening opened on one side of the casing is detachably connected, and a contact pin of the modular block is connected to the modular block. In a telephone monolithic phone having a terminal part that is electrically connected to each other, the terminal part is made of a terminal frame made of a conductive material and a spring material, and the terminal part is connected to the terminal frame by applying a spring force in the direction of approaching the terminal frame. The terminal frame and the locking spring are connected together by a locking means to form a terminal block, and are divided within the casing to match the terminal block. The terminal block is housed in the terminal housing, and the terminal frame and locking spring of the connecting terminal can be integrated into a block and handled as one component, reducing the number of parts during assembly work and making assembly easier. This makes the work easier. Moreover, since it is a connecting terminal, the connection state does not depend on the operator unlike the conventional terminal screw type terminal portion, and it has the advantage that contact reliability is guaranteed.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing one embodiment of the present invention, Fig. 2 is a partially cutaway plan view of the same, Fig. 3 is a sectional view of essential parts of the same,
FIG. 4 is an exploded perspective view of the main parts of the same as above, FIG. 5 is a front view of the same as above mounted on a mounting frame, FIG. FIG. 8 is a sectional view showing a conventional example; FIG. 9 is an exploded perspective view of a main part of another conventional example; FIG.
The figure is a sectional view of the same as above. 1 is a casing, 2 is a modular block, 3 is a terminal block, 31 is a terminal frame, 32 is a locking spring, and 61 is a plug insertion slot. Agent Patent Attorney Ishi 1) Chief 7 1 Figure 2 Figure 5 Figure 6 Figure 7 Figure 8 Flash Figure 9 101 Procedural amendment (voluntary) October 30, 1985

Claims (2)

[Claims] (1) A modular block is provided in the casing to which a plug inserted through a plug insertion port opened on one side of the casing is removably connected, and terminal portions are respectively electrically connected to contact pins of the modular block. In a telephone modular jack, the terminal part consists of a terminal frame made of a conductive material and a locking spring made of a spring material that applies a spring force in the direction of approaching the terminal frame to clamp the electric wire between the terminal frame and the terminal frame. The frame and the locking spring are connected to the body by a locking means to form a terminal block, and the terminal block is housed in a terminal storage section partitioned within the casing to match the terminal block. A telephone modular jack characterized by: (2) The telephone modular jack according to claim 1, wherein the terminal frame and the locking spring are in contact with each other without pinching the electric wire.