JPH0737245Y2 - Connector device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a connector device used, for example, for connecting an internal electric circuit of an automobile, and particularly to a terminal seating for detecting whether or not a terminal is seated correctly. The present invention relates to a connector device having a detection tool.

[Prior Art] FIGS. 5 to 8 show an example of a conventional connector device. As shown, the connector device comprises a female connector 1 and a male connector 2 connected thereto.

The female connector 1 has a female connector housing 3, and female terminals 5 are inserted into the respective terminal chambers 4 in the female connector housing 3. In addition, 6 is a lead wire connected to each female terminal 5. Each of the female terminals 5 is locked by a respective elastic locking piece 7 provided in a cantilevered manner in each of the terminal chambers 4 of the female connector housing 3 so as not to come off. That is, the locking projection 7a provided at the free end of each elastic locking piece 7 is engaged with the locking hole 8 of the female terminal 5 and is prevented from coming off. The female connector housing 3 is provided with an escape space 9 adjacent to each elastic locking piece 7 for temporarily escaping the elastic locking piece 7 when the female terminal 5 is locked to the elastic locking piece 7. Has been. Further, in the female connector housing 3, the detection pieces 10 inserted into the respective escape cavities 9 and the detection pieces 10 are connected to each other on the outer surface side of the female connector housing 3 and at the portions facing the respective female terminals 5. A terminal seating detection tool 13 having a connecting piece 12 each provided with a terminal port 11 for penetrating a male terminal, which will be described later, is assembled. The connecting piece 12 has a relief recess when it is assembled to the female connector housing 13.
14 are provided.

The male connector 2 has a male connector housing 15, which is a male connector housing 15. A sheath portion 15A into which the tip portion of the female connector housing 3 is fitted is provided at the tip of the.
A male terminal 17 is inserted into each terminal chamber 16 in the male connector housing 15 with its tip facing the inside of the sheath portion 15A. In addition, 18 is a lead wire connected to each male terminal 17. Each male terminal 17 is an elastic locking piece provided as a cantilevered support in each terminal chamber 16 of the male connector housing 15.
Each of them is locked with a stopper at 19. That is, the locking projections 19a provided at the free ends of the elastic locking pieces 19 are engaged with the locking holes 20 of the male terminal 17 and are prevented from coming off. The male connector housing 15 is provided with an escape space 21 adjacent to each elastic locking piece 19 for temporarily escaping the elastic locking piece 19 when the male terminal 17 is locked to the elastic locking piece 19. Has been. Further, the male connector housing 15 has a detection piece 22 that is inserted into each escape space 21, and a terminal port 23 that connects these detection pieces 22 to each other in the sheath 15A and penetrates each male terminal 17. A terminal seating detection tool (25) including a connecting piece (24) provided is assembled. The connecting piece 24 is provided with a locking piece 26 for locking the terminal seating detection tool 25 to the male connector housing 15.

The female connector housing 3 includes a male connector housing 15
A lock arm 27 for locking the lock arm 27 is provided, and the lock arm 27 is provided with a lock protrusion 27a.

The female connector housing 15 is provided with a bridge portion 28 into which the lock arm 27 is fitted, and the lower surface of the bridge portion 28 is provided with a lock protrusion (not shown) to be engaged with the lock protrusion 27a. .

In such a conventional connector device, for example, as shown in FIG. 6, it is detected in the female connector housing 3 whether the female terminal 5 is correctly locked to the elastic locking piece 7 in the female connector 1. After assembling each female terminal 5, the terminal seating detection tool 13
The detection piece 10 was inserted into the escape space 9 as shown in FIG. That is, the upper female terminal 5 in FIG.
When the seat is properly seated in the terminal chamber 4 as described above, since the escape space 9 is normally present, the detection piece 10 can be inserted, and it can be seen that seating is normal. Also,
When the female terminal 5 is abnormally seated in the terminal chamber 4 like the lower terminal 5 in FIG. 6, the elastic locking piece 7 protrudes into the escape space 9 and blocks the entrance, so that the detection piece 10 is It cannot be inserted into the escape space 9, which indicates that the seating is abnormal.

Similarly, also in the male connector 2, the terminal seating detector 25 can detect whether or not the male terminal 17 is seated normally.

[Problems to be Solved by the Invention] In such a conventional connector device, the terminal seating detection tool 13 on the female connector 1 side and the terminal seating detection tool 25 on the male connector 2 side have different shapes. The reason is that the connecting piece 12 of the female connector 1 does not need to be inserted into the female connector housing 3 and therefore is not limited in size, while the connecting piece 24 of the male connector 2 has a male connector housing 15.
This is because it is necessary to insert it into the sheath portion 15A and is therefore limited in size. For this reason, it is necessary to manufacture two types of terminal seating detection tools 13 and 25, which is costly, and at the time of assembly, it is necessary to judge which terminal seating detection tool each time and perform insertion work. There was a problem with poor sex.

SUMMARY OF THE INVENTION An object of the present invention is to provide a connector device in which the terminal seating detection tool having the same structure can be used in both connectors.

[Means for Solving the Problems] The structure of the present invention for achieving the object of the present invention will be described. The present invention includes a first connector and a second connector connected to the first connector. Has a structure in which a terminal seating detection tool including a detection piece and a connection piece is assembled to the first connector housing, and the second connector is A terminal having a second connector housing provided at its tip with a sheath to which the tip of the first connector housing is fitted, and a terminal provided with a detecting piece and a connecting piece in the second connector housing. In the connector device having a structure in which a seating detection tool is assembled, in each of the terminal seating detection tools assembled in the first connector and the second connector, the connecting piece is in the sheath portion. Embedded in The connecting piece has a structure in which an insertion guide portion is provided in a position in which the connecting piece is in the same direction as the detecting piece and is exposed to the outer surface of the first connector housing. A guide groove for guiding the insertion guide of the terminal seating detection tool is provided on an inner surface of the sheath portion of the housing.

[Operation] When the size of the connecting piece of the terminal seating detection tool is set such that it can be inserted into the sheath portion of the second connector housing, the terminal seating detection tool can be used in both the first connector and the second connector. But they can be common parts. Since the terminal seating detection tool is provided with the insertion guide portion,
The connector can be inserted into the sheath portion of the connector in a correct posture, and the detection piece can be easily inserted into the insertion portion of the detection piece located inside the sheath portion. Further, when the terminal seating detection tool is assembled to the first connector, the insertion guide portion comes out of the first connector housing, which does not hinder the assembly.

[Embodiment] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. The parts corresponding to those in FIGS. 5 to 8 are given the same reference numerals.

1 to 4 show an embodiment of the connector device according to the present invention. In this embodiment, the first connector is the female connector 1, the second connector is the male connector 2, the first connector housing is the female connector housing 3, and the second connector housing is the male connector housing 15. In the example shown in FIG. In the connector device of this embodiment, the terminal seating detection tool 13 that is commonly used by the female connector 1 and the male connector 2 is used.
The connecting piece 12 of the terminal seating detection tool 13 is formed in a size that can be inserted into the sheath portion 15A of the male connector housing 15. Insertion guides 29 are provided on both sides of the connecting piece 12 in the same direction as the detecting piece 10 and at positions where they are exposed to the outer surface of the female connector housing 3. The insertion guide portion 29
A gap 30 having a thickness equal to or larger than the thickness of the side wall of the female connector housing 3 is provided between the detection piece 10 and the detection piece 10.

Guide grooves 31 for guiding the insertion guide portions 29 of the terminal seating detection tool 13 are provided on the inner surface of the sheath portion 15A of the male connector housing 15.

Such a terminal seating detecting tool 13 can be assembled to the female connector 1 without any trouble in the same manner as in the conventional case. On the other hand, in the terminal seating detection tool 13, the male connector 2 has a connecting piece 12 with a sheath portion.
As it is sized to be inserted into 15A, it can be inserted and assembled without any trouble. In this case, the terminal seating detection tool 13 is provided with the insertion guide part 29, and the sheath part 15A is provided with the guide groove 31 into which the insertion guide part 29 is fitted. It can be inserted into the portion 15A in the correct posture. Therefore, the escape space 2 behind the sheath 15A
It is possible to correctly guide the detection piece 22 into 1.

When the female connector is provided with a sheath for fitting the male connector and a lock arm is provided in a part of the sheath, the male connector serves as the first connector and the female connector serves as the first connector. 2 connectors.

[Advantage of the Invention] As described above, in the connector device according to the present invention, the size of the connecting piece of the terminal seating detection tool is set so that it can be inserted into the sheath portion of the second connector housing. The detection tool can be a common component for both the first connector and the second connector. Therefore, the number of parts is reduced, and the cost can be reduced. Further, according to the common terminal seating detection tool, it is not necessary to give special consideration to assembling to the first connector or the second connector, and the workability of assembling can be improved. You can Further, since the terminal seating detection tool is provided with a guide portion and the sheath portion is provided with a guide groove into which the insertion guide portion is fitted,
The terminal seating detection tool can be inserted into the sheath portion of the second connector in a correct posture, and therefore, the detection piece can be easily inserted into the insertion portion of the detection piece located inside the sheath portion. Further, when the terminal seating detection tool is assembled to the first connector, the insertion guide portion comes out of the first connector housing, so that there is an advantage that it does not hinder the assembling.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of a connector device according to the present invention, FIG. 2 is a plan view of a terminal seating detection tool used in this embodiment, and FIG. 3 is a female used in this embodiment. FIG. 4 is a perspective view of a connector, FIG. 4 is an exploded perspective view of a male connector used in this embodiment, FIG. 5 is an exploded perspective view of a conventional connector device, and FIGS. 6 and 7 are terminals in a conventional female connector. FIG. 8 is a vertical cross-sectional view of the seating detection tool before and after assembling, and FIG. 8 is a vertical cross-sectional view of the conventional terminal connector after assembly of the terminal seating detection tool. 1 ... female connector (first connector), 2 ... male connector (second connector), 3 ... female connector housing (first)
Connector housing), 5 ... Female terminal, 7 ... Elastic locking piece, 7a ... Locking projection, 8 ... Locking hole, 9 ... Evacuation space, 10 ... Detecting piece, 12 ... Connecting piece, 13 ... Terminal seating detection Tool, 15 ... Male connector housing (second connector housing), 17 ... Male terminal, 19 ... Elastic locking piece, 19a ... Locking protrusion, 20 ... Locking hole, 21
… Evacuation space, 25… Terminal seating detector, 29… Insert guide, 30
… Gap, 31… Guide groove.

Claims (1)

[Scope of utility model registration request] 1. A first connector and a second connector connected thereto, wherein the first connector has a first connector housing, and the first connector housing is connected to a detection piece. The second connector has a structure in which a terminal seating detection tool including a piece is attached, and the second connector is provided with a sheath portion for fitting the distal end portion of the first connector housing to the second connector. A connector housing having a connector housing, and a terminal seating detection tool including a detection piece and a connection piece is assembled in the second connector housing. Each of the terminal seating detection tools that is respectively assembled to the second connector has a size such that the connecting piece is installed in the sheath portion, and the connecting piece has the same orientation as the detecting piece and the first Connector And a guide groove for guiding the insertion guide portion of the terminal seating detector is provided on the inner surface of the sheath portion of the second connector housing. A connector device, wherein the connector device is provided.