JP2805483B2 - Connector housing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector housing used for a communication device, and more particularly, to a shared holding piece capable of holding a core wire such as a coated wire and a drain wire in common between holding pieces dedicated to a coated wire. Is related to the connector housing provided.

B. 2. Description of the Related Art A multi-core cable is used for a communication device, for example, a relay cable of a telephone.

Conventionally, a connector for connecting this kind of cable has a large number of holding pieces for holding a large-diameter covered wire as a communication line above the main body, while holding a small-diameter core wire as a drain wire. A small number of holding pieces are provided at the upper corner of the main body.

C. Problems to be Solved by the Invention As described above, the conventional connector is provided with a holding piece dedicated to the core wire, and the coated wire cannot be held at that portion. In such a case, the holding piece dedicated to the core wire is completely wasted, and the entire covered wire may not be connected with a single connector, thereby deteriorating the workability and increasing the product cost. It had a defect.

The present invention has been made in view of the above-described deficiencies, and an object of the present invention is to provide a connector housing capable of performing an efficient connection without any waste regardless of the presence or absence of a core wire in a multi-core cable.

D. Means for Solving the Problems The means adopted by the present invention to achieve the above object is a housing body in which a large number of holding pieces are projected from the upper surface and bases of a large number of connection terminals are implanted. And a holding lid covered on the upper surface of the housing main body, wherein a sheath of a core wire such as a drain wire or a covering wire is cut off on the upper surface of the housing main body to clamp the core wire. A common holding piece having a core holding portion is provided. On the other hand, on the lower surface of the cover plate of the holding lid, the coating wire or the core wire is covered with the wire connecting portion of each connection terminal of the housing body and the holding piece. A push ridge for press-fitting is provided in the wire holding portion or the core wire holding portion between the common holding pieces.

E. Operation First, the covering wire 3 is inserted above the covering wire clamping portion 1a between the clamping pieces 1 and 1 and the wire connecting portion 2a of the connection terminal 2 disposed at the front and rear portions of the main body A of the present invention. Piece 2
The core wire 4 as a drain wire is inserted above the core wire holding portion 21b between 1 and 21.

Next, when the holding cover B is closed on the upper surface of the housing main body A such that the guide projections 13 enter above the holding pieces 1 and the common holding piece 21, the covering wire 3 becomes in contact with the holding cover B.
It is pressed by the three pushing ridges 14 on the lower surface and is pressed into the covering wire holding portion 1a between the holding pieces 1 and 1, and at the same time is pressed into the wire connection portion 2a of the connection terminal 2.

On the other hand, as shown in FIG.
14 is pressed by the projecting piece 15 protruding from the lower end of
It is press-fitted into the wire holding portion 21b of the connection terminal 2 at the same time as the wire is pressed into the core wire holding portion 21b between 1 and 21.

At this time, the core wire 4 is electrically connected to the wire connection portion 2a of the connection terminal 2 as it is, but the sheath 3a is formed at the edge of the sheath wire 3 when the wire 3 is pressed into the wire connection portion 2a of the connection terminal 2. The core wire 3b is cut off and electrically connected.

Thus, the covered wire 3 housing body distance l ₁ of the gap pushing protrusion 14 A top surface of the recess 5 and suppressing cover B, wherein the core wire 4 is recess 5 central pedestal 6 and the pushing protrusion 14 Lower end protrusion 15
Intervene into the gap of the gap l ₂ between, so that together they are connected while maintaining the same level, is accurately connected to a desired position of the wire connecting portion 2a (substantially central position) relative to the connection terminal 2 You.

When the covering wire 3 is inserted above the core wire holding portion 21b between the common holding pieces 21 and 21 and the cover B is then covered with the housing main body A in the same manner as described above, the covering wire 3 becomes as shown in FIG. As shown in (1), the holding lid B is pressed by the projecting piece 15 at the lower end of each pushing ridge 14, and is pressed into the core wire holding portion 21b between the shared holding pieces 21, 21.

The outer sheath 3a of the covered wire 3 is cut by the edge 21a, and the core wire 3b is held by the core wire holding portion 21b.
It is also pressed into the wire connection part 2a of the connection terminal 2, and similarly the outer skin 3a
Is cut and the core wire 3b is electrically connected.

Thus, the covered wire 3 is intervention to the outer diameter t ₁ equal clearance l ₂ of the core wire 4 between the recesses 5 central pedestal 6 and the pushing protrusion 14 the lower end of the protrusion 15 of the housing body A top Therefore, the edge 15a of the protruding piece 15 is fixed in a state of being cut into the outer skin 3a of the covered wire 3.

Therefore, the covered wire 3 is connected to the core wire as a drain wire and other covered wires 3 while maintaining the same level, and is also accurately connected to the connection terminal 2 at a desired position of the wire connection portion 2a. You.

F. Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

In the drawings, A indicates a housing main body, which is formed of an insulating synthetic resin such as a PBT resin into a thin box shape.

More specifically, a large number of holding pieces 1 are protruded in the form of comb teeth at the front and rear portions of the upper surface, and a base of a U-slit terminal as a connection terminal 2 is provided between the two rows of holding pieces 1. The wire connecting portions 2a of the U-slit terminals are arranged in two rows in a staggered manner so as to face each other.

As shown in FIGS. 6 and 7, the holding pieces 1 dedicated to the covering wire 3 projecting from the upper surface of the housing body A have surfaces adjacent to each other protruding outward from the middle step, and the outside of the covering wire 3 therebelow. A vertical covered wire holding portion 1a having a width w slightly smaller than the diameter t is formed.

In contrast to the holding piece 1 dedicated to the above-mentioned covered wire 3, the common holding pieces 21, which are important components of the present invention, are arranged at places (four places in FIGS. 1 and 2) between the rows of the holding pieces 1. I have. The number and positional relationship of the common holding pieces 21 can be appropriately determined according to the application.

As shown in FIGS. 5 and 7, the common holding piece 21 has the same structure as the holding piece 1 on the surface adjacent to the holding piece 1, while the common holding pieces 21 are adjacent to each other. The surface to be extended greatly extends outward from the middle step, and two edges 21a inclined downward from both sides to the center are formed.

And the slightly narrower width w ₁ of the vertical cord clamping portion 21b than the outer diameter t ₁ of core wires 4 downward is formed, are further projecting catch projections 21c of the core wires 4 thereunder I have.

The core wire clamping portion 21b, not only the core wire 4 such as drain lines, core 3b of the outer diameter t ₁ outer skin 3a of the covered wire 3 at the edge 21a is cut can be clamped.

The common holding piece 21 has a core holding portion 21b formed only on one side adjacent to each other, but is provided on both sides of the common holding piece 21 so that two or three cores 4 can be held side by side. Is also good.

In the drawing, reference numeral 5 denotes a recess provided on the upper surface in the longitudinal direction of the housing body A, and reference numeral 6 denotes a trapezoidal projection at the center of the recess 5 corresponding to the core holding portion 21b of the common holding piece 21 on both sides. The receiving table, 7 is a slide guide provided on the upper side of the housing main body A, and 8 is a stopper provided on the lower side of the housing main body A.

With respect to the housing main body A having the above-described configuration, the holding lid B covered on the upper surface thereof is formed of an insulating synthetic resin such as PBT resin similarly to the housing main body A.

More specifically, the holding lid B is composed of a flat cover plate 9 and a slightly elastic sleeve plate 10 suspended from the lower end on both sides thereof.

The two sleeve plates 10 have a notch 11 formed at the center thereof to be fitted into the slide guide 7 of the housing body A, and a stopper 8 of the housing body A at the lower center thereof.
A notch 12 that fits into the notch 12 is formed.

On the other hand, on the lower surface of the cover plate 9, guide projections 13 which enter the upper portion between the holding pieces 1 and the common holding piece 21 when the holding lid B is covered with the housing body A on both front and rear sides thereof.
Are protruded at predetermined intervals.

Also, inside the guide projection 13, three sheathed wires 3 and a core wire which simultaneously enter between two rows of connection terminals 2 of the housing body A (a portion corresponding to the cradle 6 of the housing body A) and both sides thereof. Four push protrusions 14 are provided in parallel with each other along the longitudinal direction of the cover plate 9.

The distance l ₁ between the tip of each of the three pushing ridges 14 and the recess 5 of the housing body A is substantially equal to the outer diameter t of the covering wire 3.

On the other hand, protruding pieces 15 having edges 15a of the same height are provided at locations corresponding to the receiving table 6 of the housing body A.

The distance l ₂ of the center of the protrusion 15 and the cradle 6 is formed to be approximately equal to the outer diameter t ₁ of core wire 3b of skin 3a of the core wire 4 or the covered wire 3 is cut as a drain line.

With this configuration, the covering wire 3 held between the holding pieces 1 and 1 of the housing body A and the wire connecting portion 2a of the connection terminal 2 therebetween and the shared holding pieces 21 and 21 and the connection terminal 2 between them are formed. The covered wire and the core wire 4 held by the wire connecting portion 2a are connected at the same level. Further, when being connected to the connection terminal 2, the wire terminal 2a is accurately held at a desired position of the wire connection portion 2a.

In the drawing, reference numeral 16 denotes a guiding piece for guiding the core wire 4 as a covering wire or a drain wire to the housing main body, and reference numeral 17 denotes a name strip receiving portion recessed on the upper surface of the cover plate 9.

G. As described above, in the connector housing according to the present invention, the holding piece 1 for holding the covered wire 3 above the housing body A is provided.
And the sheath 3a of the core wire 4 such as a drain wire or the covered wire 3
To provide a common holding piece 21 for holding the core wire 3b,
On the other hand, a retaining lid B for covering the upper surface of the housing body A
Are provided on the lower surface of each of the press-fitting ridges 14 for press-fitting connection between the covering wire 3 and the core wire 4 between the holding piece 1 and the common holding piece 21 and between the wire connecting portions 2a of the connection terminals 2. For example, even if the whole multi-core cable is a covered wire or if there is a core wire such as a drain wire in it, it can be connected freely, and there is no room for waste like conventional products, resulting in extremely low workability. It has many advantages such as being excellent and enabling the cost reduction of products.

[Brief description of the drawings]

FIG. 1 is a partially omitted front view of a connector housing according to the present invention, FIG. 2 is a plan view of the same, FIG. 3 is an enlarged sectional view showing a state where a core wire 4 is held, and FIG. FIG. 5 is an enlarged perspective view of the connecting terminal 2 and the common holding piece 21 holding the core wire 4, and FIG. 6 is an enlarged perspective view of the connecting piece 21 and the common holding piece 21. FIG. 7 is an enlarged plan view of the row, FIG. 7 is a front view thereof, FIG. 8 is a partially omitted plan view of the holding cover B, FIG. 9 is a cutaway front view of the same part, and FIG. 10 is FIG. 10) It is sectional drawing cut | disconnected along a line. Main symbols A in the figure A: Housing body B: Holding lid 1 ... Holding piece 1a ... Covered wire holding part 2 ... Connection terminal 2a ... Wire connection part 3 ... Covered wire 4 ... Core wire 14 ... Push-in ridge 21 …… Common holding piece 21b …… Core holding part

Continued on the front page (72) Inventor Yasuo Suzuki 4-15-9 Nakano, Nakano-ku, Tokyo Sanwa Electric Industry Co., Ltd. (72) Inventor Kosuke Hioki 4-15-9 Nakano, Nakano-ku, Tokyo Miwa Electric Within Industrial Co., Ltd. Inside (72) Inventor Mitsuo Takahashi 6-18-12 Meguro Honcho, Meguro-ku, Tokyo Inside Honda Communication Industry Co., Ltd. (72) Takeaki Okura 6-18-12 Meguro-Honmachi, Meguro-ku, Tokyo Honda Inside Telecommunications Industry Co., Ltd. (72) Inventor Hideo Miwa 5-5-23 Osaki, Shinagawa-ku, Tokyo Hirose Electric Co., Ltd. (72) Inventor Sou Nakazawa 5-5-23-Osaki, Shinagawa-ku, Tokyo Hirose Electric Co., Ltd. (58) Field surveyed (Int.Cl. ⁶ , DB name) H01R 4/24

Claims (4)

(57) [Claims] 1. A large number of holding pieces are projected from an upper surface,
A housing body in which the bases of a large number of connection terminals are implanted,
A connector housing comprising a holding lid covered on an upper surface of the housing body, wherein a core wire for breaking a sheath of a core wire such as a drain wire or a covering wire and holding the core wire on the upper surface of the housing body. A common holding piece having a holding portion is provided. On the other hand, on the lower surface of the cover plate of the holding lid, the covering wire or the core wire is clamped between the wire connecting portion of each connection terminal of the housing body and the holding piece. A connector housing, characterized in that a push ridge for press-fitting is provided in the core portion between the holding portion and the common holding piece. 2. An adjacent surface of the common holding piece is formed with an edge extending from the middle step and extending toward the center, a core holding portion is formed at a lower end of the edge, and a receiving portion is formed at a lower portion of the core holding portion. 2. The connector housing according to claim 1, wherein each of the projections is provided. 3. A trapezoidal pedestal protruding from a recess provided on the upper surface of the housing body at a position corresponding to the core wire holding portion between the shared holding pieces at the center thereof. The connector housing according to (1). 4. A pressing plate is provided with three pushing ridges projecting in parallel along the longitudinal direction of the cover plate of the holding lid, and at a position corresponding to a receiving base of the housing body of each pushing ridge.
2. The connector housing according to claim 1, wherein a protruding piece with an edge is provided.