JPH08335474A - Connector - Google Patents

Abstract

PURPOSE: To indicate working direction to a connector housing and correctly fit a terminal fixture to each cavity. CONSTITUTION: A seal tower part 2 is arranged in the rear part of a connector housing 1, and a terminal fitting port 4 for fitting a terminal fixture 5 to each cavity is formed on the rear surface of the seal tower part 2. An indication projection 9 is formed at upper edge or the lower edge of each terminal fitting port 4 so that when fitting work is conducted, a worker can confirm the position of the indication projection 9 to judge the fitting direction of the terminal fixture 5. Thereby, the worker can conduct fitting work without the mistake of fitting direction of the terminal fixture 5.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a connector.

[0002]

2. Description of the Related Art Various operations such as inserting a terminal fitting or assembling a retainer are performed on a connector housing, but these inserting and assembling operations are often directional. However, conventionally, since the connector housing has not been provided with marks or the like indicating the upper and lower sides thereof, in a lever type connector of a certain type, the side provided with the lever is determined to be the upper side, and the operator Various work was performed on the connector housing using the lever as a mark.

[0003]

However, depending on the type of connector, some connectors have the same shape but the levers are mounted at opposite positions, and some connectors do not have the lever. In such a case, an operator may confuse the upper and lower sides of the connector housing, and may mistake the mounting direction of the terminal fitting with respect to the cavity in the mounting work of the terminal fitting.

Also, depending on the connector, there are some cavities in which the mounting direction of the terminal fittings for the cavities is different, and in such a case, the lever cannot simply be used as a mark. In such a case,
Normally, working drawings have been used. Here, an instruction of the insertion direction for each cavity is displayed, which is effective as a guideline for performing an accurate work.
However, it is extremely difficult to work on a connector housing in which a large number of cavities are arranged side by side, with each of the cavities shown on the drawing board accurately corresponding, and it is also difficult to avoid working mistakes. It was a thing.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a connector capable of indicating a working direction with respect to a connector housing.
Another object of the present invention is to provide a connector in which a terminal fitting can be accurately assembled in each cavity.

[0006]

In order to achieve the above object, the connector of the present invention is characterized in that the connector housing is provided with an indicating portion for indicating a working direction with respect to the connector housing. ). Further, the indicating portion may be provided on the peripheral portion of the terminal assembling port for assembling the terminal fitting to the cavity (the invention of claim 2). Further, the indicating portion may be provided at the peripheral portion of the terminal mounting opening for each cavity (the invention of claim 3).

[0007]

According to the first aspect of the present invention, the operator can determine the working direction with respect to the connector housing by the indicator. Further, according to the invention of claim 2 in which the instruction portion is provided on the peripheral portion of the terminal assembling port, the operator always sees the instruction portion when the terminal metal fitting is assembled. Further, according to the invention of claim 3 in which an instruction unit is provided for each cavity, the operator is directly instructed for each cavity in the insertion work direction.

[0008]

As described above, according to the invention of claim 1, since the connector housing is provided with the indicating portion, it is possible to perform the work accurately without making a mistake in the working direction with respect to the connector housing. This has the effect of improving quality. Further, according to the invention of claim 2, when the terminal metal fitting is assembled,
Since the operator always sees the indicator, the terminal fitting can be assembled more accurately. Further, according to the third aspect of the invention, even if the mounting direction of the terminal fitting is different for each cavity, the mounting can be accurately performed for each cavity.

[0009]

【Example】

<First Embodiment> A first embodiment of the connector of the present invention will be described below with reference to FIGS. 1 to 3. As shown in FIG. 1, the connector of this embodiment includes a connector housing 1 formed in a rectangular parallelepiped shape, and the connector housing 1 is vertically and horizontally symmetrically formed. Further, the seal tower portion 2 is provided on the rear surface of the connector housing 1.
Are formed to project. Then, in the connector housing 1, although not shown in the drawing, two vertically and three horizontally
A total of six cavities are arranged side by side, and the terminal fittings 5 can be respectively assembled through the respective terminal assembling ports 4 formed on the rear surface of the seal tower portion 2.

The terminal fitting 5 is a male terminal fitting, and the electric wire 6 is connected in a state of penetrating the seal portion 7. When the terminal fitting 5 is assembled in the cavity, the seal portion 7 is sealed. It is adapted to be press-fitted into the tower section 2. Further, an engagement receiving portion 8 is formed in the terminal fitting 5, and when assembled in the cavity, it engages with a lance (not shown) formed in the cavity to prevent it from coming off. . That is, when assembling the terminal fitting 5, the terminal fitting 5 must be inserted into the terminal mounting opening 4 in the direction in which the engagement receiving portion 8 engages with the lance. Hereinafter, the direction of the terminal fitting 5 with the engagement receiving portion 8 located on the upper side is referred to as an upward state (the state shown in FIG. 1), and the engagement receiving portion 8
The terminal fitting 5 located on the lower side is directed downward (see FIG. 1).
The state shown in () is called upside down).

Further, in the present embodiment, as shown in FIGS. 2 and 3, a hemispherical projection protrusion 9 is provided on the peripheral edge of the opening of each terminal assembling port 4. The pointing projection 9 indicates the direction in which the terminal fitting 5 is assembled in the cavity. That is, when the indicator protrusion 9 is provided at the opening upper edge portion of the terminal assembling port 4, the terminal metal fitting 5 is assembled in the upward state, and when the indicator protrusion 9 is provided at the opening lower edge portion. The terminal fitting 5 can be assembled in a downward direction.

Next, the operation of this embodiment will be described. To assemble the terminal fitting 5 to the connector housing 1, the operator confirms the position of the indicator projection 9 provided on the peripheral edge of the opening of the terminal assembling port 4, and puts the terminal fitting 5 in the upward position according to the position. Alternatively, it is inserted downward into each terminal assembly port 4. That is, if the pointing projection 9 is provided at the upper edge of the opening, the terminal fitting 5 is inserted into the terminal assembly port 4 with the terminal fitting 5 facing upward, and if the pointing projection 9 is provided at the lower edge of the opening, the terminal fitting is provided. 5 is inserted downward into the terminal assembly port 4.

As described above, according to this embodiment, since the indicator projections 9 that directly indicate the mounting direction of the terminal fitting 5 to the cavity are provided for each cavity, the mounting direction of the terminal fitting 5 may be different for each cavity. Even in such a case, the operator can accurately determine the assembling direction of the terminal fitting 5, and thus the working efficiency and quality can be improved without making a mistake in the assembling direction of the terminal fitting 5. Further, since the pointing projection 9 is provided on the peripheral edge of the opening of the terminal assembling port 4, the operator is always in the field of view when performing the assembling work, and the assembling direction of the terminal fitting 5 is surely provided to the operator. Can be shown. Further, the opening peripheral portion of the terminal mounting opening 4 is not only a place where the pointing projection 9 is provided but also a place where it is always formed in all the connector housings 1, and therefore is common to all connectors. A pointing projection 9 can be provided. Therefore, even if the work target is changed, the problem that the worker looks for the pointing projection 9 does not occur.

<Other Embodiments> In the first embodiment, the pointing protrusion corresponding to the pointing portion of the present invention has a hemispherical shape and is provided for each cavity, which is recognizable by touch. In this embodiment, by coloring a part of the connector housing, the working direction with respect to the connector housing is indicated only by the eyes.

That is, as shown in FIG. 4, the mark portion 12 is formed on the upper surface of the connector housing 11 formed in a rectangular parallelepiped.
(The portion shown by the stitch pattern in the figure) is provided, and the mark portion 12 is painted red. Thereby, the operator can determine that the side with the mark portion 12 is the upper side of the connector housing 11, and, for example, the terminal fitting 5
When performing the assembling work (see FIG. 1), it is possible to perform the assembling work in the cavity with the engagement receiving portion 8 of the terminal fitting 5 facing the mark portion 12 side. Therefore, when various operations are performed on the connector housing 11, the work direction with respect to the connector housing 11 can be determined by using the mark portion 12 as a mark, so that the operation can be performed accurately and the occurrence rate of defective products is reduced. Therefore, the quality can be improved.

The mark portion 12 is not red,
By applying the fluorescent colors separately, it is possible to accurately determine the working direction with respect to the connector housing 11 even when working in a dark place, and for example, when connecting the connectors in a sealed dark place, The joining direction is accurately determined, and the joining work is smoothly performed.

The present invention is not limited to the above-mentioned embodiments, but can be modified and implemented as follows, for example, and these embodiments also belong to the technical scope of the present invention. (1) In the above-described first embodiment, the indicator projection 9 is provided for each cavity on the peripheral edge of the opening of the terminal mounting port 4, but it is provided on the side surface of the seal tower section, the side surface of the connector housing, or the like. Good.

(2) Further, the pointing projection 9 is formed in a hemispherical shape and corresponds to the pointing portion of the present invention, but the pointing portion is formed in a recess or is colored. It may be a dot or the like.

(3) In the second embodiment, the mark portion 1
Although 2 is provided on the upper surface of the connector housing 11, it may be provided on the side surface, the lower surface, or the like.
It may be a protrusion, a recess, or the like, and in short, it may be a mark that can indicate the working direction with respect to the connector housing. In addition, the present invention can be variously modified and implemented without departing from the scope of the invention.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a connector showing a first embodiment.

FIG. 2 is a rear view showing the periphery of the terminal mounting opening.

FIG. 3 is a perspective view showing a pointing protrusion.

FIG. 4 is a partial perspective view of a connector showing another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Connector housing 4 ... Terminal assembly port 5 ... Terminal metal fitting 9 ... Indicating protrusion (indicating portion) 11 ... Connector housing 12 ... Mark portion (indicating portion)

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kiyofumi Ichida 1-14 Nishisuehiro-cho, Yokkaichi-shi, Mie Sumitomo Wiring Systems, Ltd.

Claims (3)

[Claims] 1. A connector, wherein the connector housing is provided with an indicator for indicating a working direction with respect to the connector housing. 2. The connector according to claim 1, wherein the indicating portion is provided on a peripheral portion of a terminal mounting opening for mounting the terminal fitting to the cavity. 3. The connector according to claim 2, wherein the indicating portion is provided at a peripheral portion of the terminal assembling port for each of the cavities.