JPS60249272A - Mounting structure of connecting terminal - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a connection terminal mounting structure for securely fixing the connection terminal within a connector housing.

The connection terminals in the connector housing made of synthetic resin with electrical insulation properties receive force from the other connection terminal during electrical connection, but in this case, movement within the housing must be avoided. Requires secure fixation. The connection terminal is generally inserted from the rear end of the housing, and while it is sufficient to secure the connection terminal inside the housing by placing a stopper inside the housing for the front stop, it is necessary to devise a method for the rear stop. It is.

For example, in the past, as shown in Fig. 4,
As shown in the drawings in Publication No. 684, the housing 1 is provided with a locking lever member 3 that is flexible and is integral with the housing 1 and deforms as the connecting terminal 2 is inserted, so that the connecting terminal 2 is inserted into a predetermined position. When the position is reached, the adjustment lever member 3 returns to its original state and locks the portion 2b of the connection terminal 2, thereby preventing the connection terminal 2 from moving backward. Further, the terminal holding plate 20 for holding the connecting terminal 2 is pushed in from the rear of the housing 1, and the locking part 20a formed on the terminal holding plate 20 is locked with the locking part 1a of the housing l, and at the same time, the connecting terminal is held by the front end 20b. The protrusion 2b of No. 2 was locked. but,
In this structure, the positions at which the connecting terminals 2 are locked are dispersed on a straight line, so if there is a manufacturing error in each part, the locking positions will shift significantly, making simultaneous locking 1F impossible and insufficient locking. There was a risk that it would become.

An object of the present invention is to solve the above-mentioned problems and to provide a connecting terminal mounting structure having a new fixing means different from the conventional method of preventing removal. When a plurality of connection terminals are fixed in a connector housing, a locking claw attached to the front part of the housing has a free end at the rear, and a locking claw fits into the locking hole of the connection terminal at the free end. A plurality of flexible locking lever members having a plurality of flexible locking lever members are pushed into the housing from the front end side, and the free ends of the locking lever members are pressed so that the locking claws are inserted into the locking holes of the connection terminals. It is characterized by having a housing into which it is fitted and a separate pushing member.

Next, the present invention will be explained in detail based on the embodiments shown in FIGS. 1 to 3.

In this embodiment, in addition to the adjustment lever member 3 which prevents the tip from being pulled out, there is also provided a means to prevent pulling out according to the present invention. That is, in the embodiment, six female connection terminals 2 are inserted into the respective insertion holes from the rear inside the housing 1,
It is fixed at a predetermined position by the adjustment lever member 3, and a locking hole 5 for locking is provided in a part of the bottom portion 4 of each connection terminal 2. As shown by the dotted line in FIG. 2, the housing 1 is provided with a flexible locking lever member 5 for each connection terminal 2.

This locking lever member 6 is integrated with the housing l, its base is fixed to the front end of the housing l, and its rear end is a free end 7. This free end 7 is provided with a locking pawl 8 that fits into the locking hole 5 of the connection terminal 2.

When the connecting terminal 2 is inserted into the housing 1, the locking lever member 6 is in the state shown by the dotted line in FIG. Then, by pushing the locking pawl 8 into the locking hole 5, the lock 1 is closed.
will be done. The pushing member 9 for this purpose is separate from the housing 1, as shown in FIG. 1, and is pushed into the housing 1 from the front of the housing 1 after the connecting terminal 2 is inserted.

In the embodiment, the connection terminals 2 are arranged vertically symmetrically,
The locking lever members 6 are respectively inserted into the pushing member 9 inwardly, thereby performing the locking 1F. Therefore, the pushing member 9 has an annular cross section as shown in FIG. 7 will be pushed inward, and when the pushing member 9 reaches the predetermined position, the locking claw 8 of the locking lever member 6 will be securely inserted into the locking hole 5 of the connecting terminal 2. . And connection terminal 2
1F lever member 3, free end 7, locking hole 5,
The locking position of the pushing member 9 is approximately the same position within the housing l. Note that 11 is a metal lever for locking with the other housing, and 12 is a lever for releasing the metal lever, which is molded integrally with the housing l.

By doing this, even if an excessive force is applied to the connecting terminal 2, the connecting terminal 2 is firmly fixed by the locking lever member 6, and is locked at approximately the same position, so that the parts It is not affected much by errors. To release this lock, all you have to do is pull out the pusher member 9, but since no pulling force acts on this pusher member 9 during normal use, there is no possibility that the lock will come off accidentally. Unthinkable.

The embodiment is a waterproof connector housing l, in which a waterproof rubber gasket 14 is fitted to each electric wire 13 crimp-connected to a connecting terminal 2 to prevent water from entering from the rear of the housing 1. There is. In addition, water intrusion from the connecting surfaces of the housings is dealt with by a separate rubber waterproof member 15, but in this case, the push member 9
also functions to prevent the waterproof member 15 from being removed.

In the embodiment, a conventional adjustment lever member 3 is also used to prevent the connection terminal 2 from being removed, but even if this adjustment lever member 3 is not intentionally used, it still serves the purpose of preventing removal. Needless to say, it is possible to achieve this.

As explained above, in the connection terminal mounting structure according to the present invention, the connection terminal is provided with a dedicated locking hole, and the locking is performed by fitting the locking lever 1F pawl of the locking lever member into the locking hole. Since this locking is performed by a separate push-in member, the locking is more reliable than conventional locking, and since all the locking positions are approximately the same, it is easy to manufacture. This has the advantage of reducing the influence of errors. .

[Brief explanation of the drawing]

Drawings 1 to 3 show an embodiment of the connection terminal mounting structure according to the present invention, in which Fig. 1 is a longitudinal sectional view of the housing, Fig. 2 is an enlarged sectional view of the main part thereof, and Fig. 3 is an enlarged sectional view of the main part thereof. FIG. 4 is a front view of the housing with no connecting terminal inserted therein, and a vertical cross-sectional view showing a state in which the conventional housing and the connecting terminal are locked. Symbol l is the housing, 2 is the connection terminal, 5 is the 1F hole, 6
1 is a locking lever member, 7 is a free end, 8 is a latch 1F pawl, and 9 is a pushing member. Patent Applicant Nissan Motor Co., Ltd. Shinagawa Automobile Cable Co., Ltd. Figure 1 - 3 all Page 1 continued 0 Inventor Katsuji Shimazawa 338 Shimouchi, Nerima-ku, Tokyo

Claims (1)

[Claims] 1. In the case where a plurality of connection terminals having locking holes are fixed in a connector housing, the terminals attached to the front part of the housing have a free end at the rear, and the connection terminals are attached to the free end. A plurality of flexible locking lever members having locking claws that fit into the locking holes of the terminal are pushed into the housing from the front end side, and the free ends of the locking lever members are pressed and engaged. A connecting terminal mounting structure comprising a housing for fitting a retaining claw into a retaining hole of the connecting terminal and a separate pushing member. 2. The connection terminal mounting structure according to claim 1, wherein the locking hole is provided at the bottom of the connection terminal. 3. The connecting terminal mounting structure according to claim 1, wherein the pushing member has a round cross section and presses the free end of the locking lever member inward.