JP3174998B2 - connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly to a connector in which contacts are double-locked in an insulated housing (i.e., locking by a lance of the insulating housing and locking by a double locking member). Things.

[0002]

2. Description of the Related Art An example of a conventional connector described in JP-A-6-325814 will be described with reference to FIGS.

As shown in FIGS. 4 and 5, the conventional connector comprises an insulating housing 1, a double locking member (retainer) 2, a pressing member 3, and a contact 4.
The double locking member (retainer) 2 has a temporary locking position and a full locking position, as described later.

The insulating housing 1 has a box-like shape as a whole, and is provided with a lock lever 12 on its upper surface for locking connection with a mating connector. One end of the lock lever 12 is integrally fixedly connected to the upper surface of the insulating housing 1, and the other end is a free end. A free end of the lock lever 12 is provided with an acupressure part 13. The acupressure part 13 is a frame formed on the rear end side of the insulating housing 1 (opposite to the connection side with the mating connector). It is located in the notch of the thick part 10 and, when connected to a mating connector (not shown), once sinks toward the inside of the insulating housing 1 and then returns to engage with the mating connector. ing.

[0005] In the interior of the insulating housing 1, a contact accommodating chamber 11 for accommodating each of the contacts 4 is provided.
Are formed. The contact accommodation room 11 has two
Each of the steps has eleven contact accommodating chambers 11 formed therein. The rear end of the upper contact housing chamber 11 is located on the inner side to accommodate the double locking member 2 described later, and forms a space 18 for housing the double locking member. A double locking member 2 to be described later is located on a partition wall that partitions the lower contact accommodating chamber 11.

The rear end of the partition wall for partitioning the lower contact accommodating chamber 11 is retracted inward by the amount corresponding to the later-described holding member 3 to form a space 19 for housing the holding member. .

[0007] Both notch end faces forming the notch of the frame-shaped thick portion 10 of the insulating housing 1 are provided with engaging projections 10 which are engaged with locking grooves 24a and 24b of the double locking member 2 described later.
a is formed. In FIG. 4, the left engaging projection 1 is shown.
Only Oa appears, and the one formed on the opposite end face is hidden by a perspective view.

On the inner surface side of the frame-shaped thick portion 10 and on the rear end side, engaging projections 35 and 36 of the pressing member 3 described later are provided.
Is formed with an engaging window 10b. Since the engagement window 10b is also a perspective view, only the left side is shown, and the others are hidden.

The double locking member 2 housed in the space 18 inside the insulating housing 1 has an upper plate portion 20a and a lower plate portion 20b which are spaced apart and face in parallel.
A partition wall is provided integrally with the lower plate portion 20b at a predetermined interval, and a contact insertion hole 21 is formed by the partition wall. The contact insertion hole 21 communicates with the contact housing chamber 11 in the upper step of the insulating housing 1.

On the upper plate portion 20a of the double locking member 2, two acupressure portions 22 projecting between the notch portion of the frame-shaped thick portion 10 of the housing 1 and the acupressure portion 13 of the lock lever 12 are formed. Have been. On the outside of the acupressure part 22, a ridge 23 is formed in the horizontal direction. Locking grooves 24a and 24b are formed above and below the ridge 23, respectively.
The grooves 24a and 24b are formed on engaging end portions 10a formed on the end surfaces of the cutout portions of the frame-shaped thick portion 10 of the insulating housing 1.
Engage with. That is, the lower locking groove 24a engages with the engaging projection 10a when the double locking member 2 is at the temporary locking position, and serves as a temporary locking groove. The upper locking groove 24b engages with the engaging protrusion 10a when the double locking member 2 is at the lowered position, that is, when the double locking member 2 is at the full locking position, and is a full locking groove.

Next, after the double locking member 2 is loaded into the space 18 of the insulating housing 1, the space 1 of the double locking member 2 is
The holding member 3 for preventing the escape from the inside 8 is loaded into the space 19 in the insulating housing 1. The lower side of the holding member 3
The holding member 3 is integrally joined to the lower end of the insulating housing 1 via the hinge 16, and lifts the pressing member 3 in the direction indicated by the arrow around the hinge 16, and engages with the engaging protrusions 35 formed on the pressing member 3. 36 engage with the locking windows 10b formed in the corresponding insulating housings 1, respectively. This holding member 3 also has a contact housing chamber 1 at the lower stage of the insulating housing 1.
1 and a contact insertion hole 31 communicating with the contact insertion hole 21 of the upper double locking member 2 are formed in a lattice shape.

A contact 4 engages with a first lance 15 (see FIG. 6) formed inside the insulating housing 1.
And a second locking portion 43 that engages with the double locking member 2.

Next, loading of the contact 4 will be described. First, the engagement protrusion 10a formed on the cutout end face of the frame-shaped thick portion 10 of the insulating housing 1 is
Is in the temporary locking position by engaging with the temporary locking groove 24a, and in this state, the contact 4 presses the contact 4 into the contact insertion hole 31 of the pressing member 3.
From the contact housing 11 in the insulating housing 1.

When the contact 4 is inserted while the double locking member 2 is in the temporary locking position, as shown in FIG. 6, a lance 15 formed inside the insulating housing 1 1, but the lower edge portions of the upper plate portion 20a and the lower plate portion 20b of the double locking member 2 are engaged with the side surfaces of the second locking portion 43. Not.
In this state, the contact 4 can be inserted and removed. The lance 15 is connected to the first locking portion 4 of the contact 4.
Release from 1 can be performed by deforming the elastic lance 15 with a driver or the like.

In the case of the final locking, as shown in FIG. 7, the finger pressure part 22 formed on the upper plate 20a of the double locking member 2 is pressed by a finger. Then, the double locking member 2
Is lowered, and the edges of the upper plate portion 20a and the lower plate portion 20b engage with the side surface of the second locking portion 43 of the contact 4. When the double locking member 2 moves to this full locking position, the engagement protrusion 10 a formed on the cutout end face of the frame-shaped thick portion 10 of the insulating housing 1 causes the finger pressure of the double locking member 2 to be increased. The upper locking groove 24b is engaged with the protrusion 23 formed on the side surface of the portion 22 to prevent the double locking member 2 from moving (upward).

When at least one of the contacts 4 is in a half-inserted state, ie, incompletely inserted, the lower surface of the upper plate portion 20a or the lower plate portion 20b of the double locking member 2 is
To prevent the double locking member 2 from moving to the full locking position. Therefore, it can be easily detected that even one contact 4 is half-inserted.

[0017]

In the conventional connector, whether the double locking member (retainer) is at the temporary locking position or the full locking position is determined by the double locking member. This is done by visual or tactile sense of the relative position with respect to the insulating housing. Therefore, it is difficult to clearly confirm whether the double locking member is in the temporary locking position or the full locking position.

Therefore, the present invention improves the disadvantages of the conventional connector and makes it possible to clearly and easily confirm whether the double locking member is in the temporary locking position or the full locking position. It is intended to propose a display device for a connector that can be used.

[0019]

The present invention employs the following means to solve the above-mentioned problems.

(1) A housing for accommodating a plurality of contacts, and a single two-piece housing slidably mounted in the housing between the provisionally locked position and the fully locked position in a direction orthogonal to the fitting direction. And a double locking member, on both left and right sides of the double locking member, in a direction orthogonal to the sliding direction of the double locking member , and with a mating connector of the housing.
Protrusions protruding toward the opposite side to the mating side are provided, and the housing is provided on both left and right sides of the housing.
Each of the protrusions of the double locking member from a position confirmation window provided on the rear end side opposite to the mating connector with the mating connector.
A connector that allows you to check the position of the protrusion .

[0021]

( 2 ) The connector according to (1), wherein the color of the housing is different from the color of the double locking member.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS.
This will be described with reference to FIG. However, in the embodiment of the present invention, description of some of the matters common to the above-described conventional connector will be omitted.

In FIG. 1, a holding member 3 is attached to a thick frame portion 10 of an insulating housing 1 so as to be opened and closed by a hinge. Double locking member (retainer)
2 is accommodated in the space 18 of the contact accommodation room 11 of the insulating housing 1. The double locking member (retainer) 2
As will be described later, there are a temporary locking position and a full locking position.

FIG. 2A shows a state where the contact has not been inserted yet and the double locking member 2 is in the temporary locking position. In this state, since the double locking member 2 can be seen from the double locking member position confirmation window 1a provided on the upper portion on the rear end side of the insulating housing 1, the color of the double locking member 2 can be changed. When the color of the frame-shaped thick portion 10 of the insulating housing 1 is different from the color of the pressing member 3, the presence of the double locking member 2 can be clearly and easily confirmed.

FIG. 2B shows a state where the contact 4 has already been inserted and the double locking member 2 is in the final locking position. When the contacts 4, 4 are inserted into the contact housings 11, 11 of the insulating housing 1, first, the first locking portions 41, 41 of the contacts 4, 4 are engaged with the lances 15, 15 formed inside the insulating housing 1. Is locked.

Next, when the double locking member 2 is pushed down, the edges of the upper plate portion 20a and the lower plate portion 20b lock the second locking portions 43, 43 of the contacts 4, 4. Therefore, the contacts 4 and 4 are doubly locked. At this time, since the double locking member 2 is lowered, it cannot be seen from the double locking member position confirmation window 1a.

FIG. 3 (a) shows a state in which the double locking member 2 is in the temporary locking position, and confirms the position of the double locking member provided on the left and right sides of the upper rear end of the insulating housing 1. Window 1
The double locking member 2 can be seen from a, 1a.

FIG. 3B shows a state in which the double locking member 2 is obliquely inclined (for example, a state in which the contact on the left side of FIG. 2 is incompletely inserted). The double locking member 2 can be seen from the member position confirmation window 1a.

FIG. 3 (c) shows a state in which the double locking member 2 is in the final locking position. The double locking member 2 can be viewed from the double locking member position confirmation window 51 on either the left or right side. Can not see.

In this way, it is possible to clearly and easily distinguish between the provisionally locked state of the double locking member 2, the state where the double locking member 2 is obliquely inclined, and the fully locked state.

In order to release the double locking member 2 from the final locking state to the temporary locking state, a flathead screwdriver is inserted into the concave portion 26 provided in the double locking member 2, and the double locking member 2 is released. 2 can be slid upward (temporarily locked position).

The lance 15 can be released from the first locking portion 41 of the contact 4 by deforming the elastic lance 15 with a driver or the like.

[0034]

As is clear from the above description, according to the present invention, the basic structure of the conventional connector is utilized as it is, and the window for confirming the position of the double locking member is provided in the insulating housing. The provisionally locked state and the fully locked state of the heavy locking member can be clearly and easily distinguished.

Further, according to the present invention, when the connector is wide, the double locking member position confirmation window is provided at two places on the left and right sides of the connector to check the inclined state of the double locking member. be able to.

[Brief description of the drawings]

FIG. 1 shows a perspective view of an embodiment of the present invention,
(A) shows an assembled state, (b) shows a state where it is disassembled and the holding member is opened, and (c) shows a double locking member.

FIG. 2 is a cross-sectional view of a main part in one embodiment of the present invention, in which (a) shows a state where a double locking member is in a temporary locking position when a contact is not inserted, (B)
Shows a state where the double locking member is in the final locking position when the contact is inserted.

FIGS. 3A and 3B are various state diagrams of the insulating housing as viewed from the rear end side according to the embodiment of the present invention, wherein FIG. 3A is a state in which a double locking member is at a temporary locking position, and FIG. Shows a state in which the double locking member is inclined obliquely, and (c) shows a state in which the double locking member is in the final locking position.

FIG. 4 is an exploded perspective view of a conventional connector.

FIG. 5 is an assembled perspective view of a conventional connector.

FIG. 6 is a cross-sectional view of a main part in a state where a contact is inserted into a conventional connector and a double locking member is at a temporary locking position.

FIG. 7 is a cross-sectional view of a main part in a state where a contact is inserted into a conventional connector and a double locking member is at a full locking position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulated housing 1a Double locking member position confirmation window 2 Double locking member 3 Pressing member 4 Contact 10 Frame-shaped thick portion 10a Engagement protrusion 11 Contact storage chamber 12 Lock lever 13 Shiatsu part 15 Lance 16 Hinge part 18 Space for accommodating the double locking member 19 Space for accommodating the holding member 20a Upper plate portion 20b Lower plate portion 21 Contact insertion hole 22 Acupressure portion 23 Ridge 24a Lock groove 24b Lock groove 26 Recess 41 First lock Part 43 Second locking part

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/42 H01R 13/64-13/645

Claims (2)

(57) [Claims] 1. A housing for accommodating a plurality of contacts, and a single duplex incorporated into the housing so as to be slidable between a temporary locking position and a full locking position in a direction orthogonal to a fitting direction. And a mating connector with a mating connector of the housing on both left and right sides of the double locking member in a direction orthogonal to a sliding direction of the double locking member.
Protruding portions projecting toward the opposite side are provided on both left and right sides of the housing.
Each of the double locking members from position confirmation windows respectively provided on the rear end side opposite to the mating side of the connector with the mating connector.
A connector characterized in that the position of the part can be confirmed. 2. The connector according to claim 1, wherein the color of the housing is different from the color of the double locking member.