JPH0717233Y2 - Collective terminal board for communication protector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a communication protector for protecting a telephone and other communication devices from an abnormal surge, and more specifically, for mounting a large number of this communication protector. The present invention relates to the structure of the collective terminal board of.

[Prior Art] As a communication protector of this type, the applicant's utility model Sho 60-
As shown in Japanese Patent No. 31151 and Japanese Utility Model Laid-Open No. 60-28430, a base body in which a safety cartridge having a safety circuit is detachably provided has been put into practical use.

A pair of home terminals, a pair of line terminals, and a ground terminal are arranged on the base, the line terminals are U-shaped groove slit terminals, and the home terminals are hole groove terminals. In this case, the extension line contactor at the tip of the security cartridge is inserted into the hole groove of the in-house terminal, and the extension line contactor at the other end of the oblong box is press-fitted into the U-shaped groove with this as a fulcrum.

[Problems to be Solved by the Invention] According to the above-mentioned base structure, each terminal must be individually planted in five pieces, and separate terminals such as screw terminals must be provided for the extension line and the extension line. However, the structure was complicated.

In particular, the base cannot be miniaturized because the pair of home terminals and the pair of line terminals are arranged in a substantially rectangular shape. Therefore, even if a large number of security cartridges are provided to increase the number of lines, a set of 6 lines is the limit, considering the installation space for subscribers. As a collective protector for condominiums, housing complexes such as housing, and small businesses, 10
It was required that about 50 lines could be installed densely before and after the line.

Therefore, the present invention has been developed in view of the above circumstances, and an object thereof is to provide a densely packed terminal board for connecting a communication line and a protector easily and for a large number of lines. It is what

[Means for Solving the Problems] A terminal strip according to the present invention for achieving the above object is
This is for mounting a large number of communication protectors in which contacts connected to a security circuit are linearly protruded in an insulating housing. Specifically, a pair of terminal portions for connecting a communication line and a plurality of mounting portions for connecting each contactor of a communication protector are provided with U-shaped groove slit terminals, respectively. The mounting portions are linearly arranged between these portions and are separated from each other to form a set, and a large number of the sets are arranged in the width direction.

[Operation] On the collective terminal plate, the terminal portion and the mounting portion are linearly arranged, and these are each provided with a U-shaped groove slit terminal. At the same time as connecting the communication line to the terminal part using the slit terminal, the communication protector can be mounted by simply pushing the row of contacts into the mounting part.

A large number of lines are densely arranged in the width direction with such a straight line mounted state as a line set.

[Embodiment of the Invention] An embodiment of the invention will be described with reference to FIGS. 1 to 9.

The collective terminal board 1 is composed of a base 2 and a lid 3 that covers the base 2, and the base 2 has a communication protector 4
Is installed in large numbers and is roughly configured. The base 2 is a pair of terminal parts 10, 10 for connecting the communication line C ....
And a large number of mounting portions 11 ... for pressing and connecting the respective contactors 5 of the communication protector 4 are arranged in a substantially straight line.
Slit terminals 12 ... Are internally provided in 0 and 11 to form one line. Then, for example, this set in the width direction
10 lines are arranged and assembled. In this case, a lock mechanism portion 6 for crime prevention or wiretapping prevention can be added between the base 2 and the lid 3.

More specifically, the slit terminal 12 has the U-shaped groove connection pieces 20 and 21 provided at both ends thereof in a standing manner, and these 20 and 21 are connected to the base piece 22.
It is possible to use the one that is connected to and has a substantially U shape as a whole. That is, the first slit terminal 12A and the second slit terminal 12A
By arranging the slit terminals 12B in parallel with each other in the width direction, the U-shaped groove connecting pieces 20L, 20L for the terminal portion are formed at one outer end. In order to make the second slit terminal 12B in a straight line, the U for the mounting portion is provided via the width piece 23 in the width direction on the mounting portion side.
The groove groove connecting pieces 21L, 21L are formed in a linear shape. On the other hand, the third slit terminal 12C and the fourth slit terminal 12D are symmetrically arranged, while the U-shaped groove connecting pieces 20I, 20I for the terminal portion are formed at the outer end and the width piece at the intermediate portion. twenty three
The U-shaped groove connecting pieces 21I, 21I for the mounting portion are linearly configured via the. Therefore, the central four U-shaped groove connection pieces 21L, 21L, 21
Slots corresponding to I and 21I are opened in a line in the base 2 to form a mounting portion 11. Slots are further formed on both outer sides of the mounting portion 11 to form a holding step portion 24.

Further, between the first and second slit terminals 12A, 12B and the third and fourth slit terminals 12C, 12D, the slit terminals 12E for grounding are arranged so that five U-shaped portions are formed. The groove connection pieces 21L, 21L, 25, 21I, 21I are opened in the same direction to form the mounting portion 11 ... In this case, the grounding slit terminal 12E is extended to approximately the center width direction and is common. It is preferable to provide a connecting piece 26 for connection and add male and female ground extension portions 27, 28 for extension to both ends. Male ground extension 27
Can be a U-shaped insert and the female ground extension 28 can be a screw terminal.

The terminal portion 10 has a recess 31 that opens laterally and upward.
U-shaped groove connecting pieces 20L, 20L, 20I, 20I are erected on the upper side, and a core wire press-fitting block 30 is provided on the upper side thereof. The recess 31
Is a guide groove 3 on the bottom side due to the tapered retaining walls 32, 32.
3, 33 are partitioned, pivotal grooves 34, 34 are formed continuously on the back side, and a receiving projection 35 is formed on the upper part.

Next, the press-fitting block 30 has a width dimension that facilitates fitting in the recess 31, and core wire insertion holes 36, 36 are formed from the outer surface at one end, and the terminal entry holes 37, 37 intersecting with the core wire insertion holes 37, 37 are in an inverted V shape. It is formed from the bottom surface. Further, the press-fit block 30 is formed at the other end with a tapered neck portion 38, and a pair of hinge pieces 39, 39 are projected on both sides thereof. The terminal entry hole 37 has a vertical wall surface 40 on one end side, and a taper wall surface 41 is formed on the other end side so as to facilitate the entry of the U-shaped groove connection pieces 20. . The deflection surface 4 is located below the pair of hinge pieces 39, 39.
2 is protruding. In the figure, 43 is a receiving groove for removal, and 44 is a locking ridge protruding from the upper portions of both sides.

Further, on both outer sides of the terminal portion 10, there are formed line pressing portions 45 which are curved downward and hold the communication lines C ..
The line holding groove 46 ... Is formed by cutting the line pressing portion 45. An opening 50 communicating with the line pressing portion 45 is formed in the lid body 3.

The lid body 3 has a lock mechanism portion 6 for locking with the base 2 projecting from the end portion, and an opening / closing tool 52 of the press-fitting block 30 is attached to the inside by protruding a rib 51. The open / close tool 52 is a pair of frames 5
Removable pieces 54, 54 that engage with the removal receiving groove 43 are provided at one end of 3, 53, and a receiving projection 35 for press-fitting the press-fitting block 30 at the other end.
The pressing pieces 55, 55 that engage with each other are provided between the and the neck portion 38. The frames 53, 53 are opposed to each other with a desired interval by engaging pieces 56, and by pushing this interval portion into the rib 51, the frames are attached to the back side of the lid body 3.

The lock mechanism portion 6 can be configured by providing a rotatable cam piece 61 below the key member 60. The cam piece 61 is separated from the stepped portion 62 on the lower surface of the base at the unlocked position A along with the rotation of the key member 60, and is locked by being engaged with the stepped portion 62 at the locked position B. As the key member 60, for example, a security structure having a hexagonal hole 63 and a protrusion 64 at the center thereof can be used.

Furthermore, the above-mentioned communication protector 4 includes an insulating case 70 having a substantially thin plate shape, a security circuit 71 built in the insulating case, and the above-mentioned security circuit 70 protruding from the lower side of the insulating case 70. The above-mentioned contact 5 connected to 71, the opening 72 that opens the upper side, and the cover 73 that is removable from the opening 72.
The open portion 72 can be provided with monitor terminals 74, 74. Lock pieces 75, 75 are formed on both outer sides of the contact 5 ...

Next, the operation based on the above configuration will be described together with the method of use.

When connecting the internal / external communication line C ..., the mounting part of the base 2
Attach the communication protector 4 to 11. The contacts 5 ... Are press-fitted and connected to the U-shaped groove connection pieces 21L ..., 21I ..., 24 from the slots. By such connection, the outside lines L1, L2 and the ground E
A three-pole gas-discharge tube type lightning arrester element 76 is connected between and, and a non-linear resistance element 77, 77 such as a positive temperature coefficient thermistor is inserted between the external line side L1, L2 and the internal line side I1, I2. The security circuit 71 can be configured. In this case, the lock pieces 75, 75 are held by being engaged with the holding step portions 24, 24.

Next, the core wire insertion hole 3 of the press-fit block 30 of the terminal portion 10
Insert communication lines C and C to 6,36. In such a state, the opening / closing tool 52
If the pressing pieces 55, 55 of the communication wire C, C are inserted between the receiving projection 35 and the neck portion 38 and pressed by the lever action, the communication lines C, C are
It is connected to the U-shaped groove connection piece 20L, 20L or 20I, 20I which enters from the above. In this way, the mounting part 11 …… and the terminal part 10 ……
It suffices to attach and connect multiple rotations to and.

After connection, after attaching the opening / closing tool 52 to the rib 51 of the lid body 3, the lid body 3 is put on the base 2 and a key member is provided by using a dedicated tool.
When it turns 60, the cam piece 61 is locked by turning from the unlocked position A to the locked position B.

Further, for example, when connecting 10 lines or more, arrange the other collective terminal boards 1 so that the ground extension portions 27 and 28 are adjacent to each other,
If the male and female ground extensions 27 and 28 are locked with the engaging screws, a large number of grounds will be connected in a commonly connected state.

When the press-fitting block 30 is removed, the removal piece 54 of the opening / closing tool 52 can be easily inserted into the removal receiving groove 43.

Furthermore, when the communication protection device 4 is replaced, it is possible to easily check the line usage state by removing the cover 73 and sandwiching the checker 78 between the monitor terminals 74 and 74 without disconnecting the line.

[Effects of the Invention] As described above, according to the present invention, a U-shaped groove is formed in a pair of terminal portions for connecting a communication line and a plurality of mounting portions for connecting each contactor of a communication protector. Each slit terminal is provided, the terminal portions are separated at both ends, and the above-mentioned mounting portions are linearly arranged between them to form one line. By arranging a large number of this set, a high density can be obtained. It has been possible to provide a terminal board for a communication protector that has been assembled into. In particular, we were able to put it into practical use as a collective security device for apartments, housing complexes, etc., with more than 10 lines.

[Brief description of drawings]

FIG. 1 shows an embodiment of a collective terminal board of a communication protector according to the present invention, and FIG. 1 is a cutaway perspective view of the same portion in use, and FIG.
The figure is the same sectional view, FIG. 3 is a perspective view for explaining the terminal arrangement state, FIG. 4 is an enlarged perspective view in which the press-fitting block is reversed, and FIG.
The figure is an enlarged plan view of the lock part, FIG. 6 is the same sectional view, FIG. 7 is a front view of the opening / closing tool, and FIG. 8 is a sectional view of the communication protector.
FIG. 9 is a security circuit diagram. 1 ... Collective terminal board, 2 ... Base, 3 ... Lid, 4 ...
Communication protector, 5 ... Contact, 6 ... Lock mechanism, 10
...... Terminal part, 11 …… Mounting part, 12 …… Slit terminal, 20,21,25 …… U-groove connecting piece, 27,28 …… Ground extension part, 30 …… Press fitting block, 39 …… Hinge piece , 52 …… Opening / closing tool, 60 …… Key member, 61 …… Cam piece, 71 …… Security circuit,
76 …… Tripolar gas-filled discharge tube type arrester, 77 …… Non-linear resistance element.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kazuo Mori, 1-8-19 Shibayama, Minato-ku, Tokyo Shirayama Manufacturing Co., Ltd. (72) Hiroaki Nakayama 1-8-19, Shiba, Minato-ku, Tokyo Shares Company Hakusan Mfg. Co., Ltd. (72) Inventor Hiroshi Hirano 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph and Telephone Corporation (72) Inventor Hiroyuki Matsushima 1-1-6 Uchiyuki-cho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corp. (72) Inventor Tomio Kawakami 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph and Telephone Corp. (72) Toshihiro Yamane 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Date This telegraph telephone company (72) Inventor Takeshi Kitada 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph telephone company (72) Inventor Noburou Kojima Chiba, Tokyo Field-ku Uchisaiwaicho 1 chome No. 6 Date. This Telegraph and Telephone within Co., Ltd. (72) inventor Ishibe Norio, Chiyoda-ku, Tokyo Uchisaiwaicho 1 chome No. 6 Date. This Telegraph and Telephone in the Corporation

Claims (1)

[Scope of utility model registration request] 1. A pair of terminals for connecting a communication line, for mounting a number of communication protectors, each of which is formed by linearly projecting contacts connected to a security circuit in an insulating housing. And a plurality of mounting portions for connecting the contacts of the communication protector are respectively provided with U-shaped groove slit terminals, the terminal portions are spaced from each other at the both ends, and the mounting portions are provided therebetween. A collective terminal board for a communication protector, which is configured by arranging in a straight line, and a plurality of the groups are arranged in the width direction.