JPS5810306Y2 - connector housing - Google Patents

Description

[Detailed description of the invention] This invention mainly relates to the internal structure of a connector housing that is attached to a wiring board on which male terminals are installed. It is designed so that it can be easily inserted into the terminal housing chamber of the terminal.

A wiring board and a connector housing attached thereto (hereinafter simply referred to as the housing).

) generally has a configuration as shown in FIG.

That is, 1 is a wiring board, 6 and 6' are housings, and 8 is a lid for fixing the housing 6.6' to the wiring board 1.

The wiring board 1 is formed by laminating a plurality of insulating boards 2 and 3 (two boards in the figure), and the boards 2 and 3 have busbar circuit boards 2 a t 2 b and 3 constituting a desired electric circuit. a
53b is provided.

Flat male terminals 2 c t 2 d are erected at the ends of the circuit boards 2 a and 2 b.

The male terminals 2cy2d have opposite sides and are arranged in a straight line.

The male terminals 3 c and 3 d are similar, but are made to protrude through windows 4 opened in the insulating substrate 2 .

These male terminals 2a t 2b and 3c t 3d
One end of a female bipolar terminal 5 for connection to an external circuit is fitted into the hole.

The female bipolar terminal 5 has a slightly wider substrate portion 5a than the male terminal 2c.
Elastic clamping arms 5b, 5b are provided at both ends of the body and bent inwardly, and the male terminal 2c is fitted between the base plate portion 5a and the resilient clamping arms 5b.

The housing 6 is provided with a partition wall 7f orthogonal to the longitudinal side wall 7b inside a vertically open frame body 7 which has projections 7c on the left and right side walls 7a and a collar 7e with a stepped portion 7d at the lower end. Terminal storage chambers 7g are formed on the left and right, and a partition wall 7f
The lower end is located on the same plane as the lower opening end surface of the frame 7, that is, the lower surface of the collar 7e.

Note that the housing 6' also has a similar configuration, so a description thereof will be omitted.

This housing 6 is mounted facing the female bipolar terminal 5 of the wiring board 1, and the insertion holes 8a and 8 for the housing 6.6' are mounted.
The lid body 8 with the opening 3' is capped and fixed.

A stepped portion 7d of the frame body 7 is provided on the lower surface periphery of the insertion holes 8a, 8a'.
A fitting receiving portion 8b is provided for the housing 6, and the housing 6 is securely fixed without swinging.

According to the above configuration, as shown in FIG. 2, the bipolar female terminals 5A fitted to the male terminals 2 c and 2 d of the wiring board,
5B, the substrate portion 5a is the male terminal 2c.

Since it is formed wider than 2d, it tends to tilt to the left or right depending on its clearance (in the case of FIG. 2, the bipolar female terminals 5A and 5B are both tilted to the left).

). In this state, connect the housing 6 to the bipolar female terminal 5A.

5B, its left corner is attached to the side wall 7a.
, the two bipolar female terminals 5A and 5B must be made straight, which makes the assembly work complicated.

Also, the side wall? (a) An inclined guide surface is provided on the lower edge of the partition wall 7f, and the bipolar female terminal fitted at an angle is guided by this guide surface to facilitate its insertion.

However, even in this case, since the two bipolar female terminals simultaneously abut against the inclined guide surfaces of the side wall and the partition wall, considerable force is required to insert them.

This idea was developed with the above points in mind, and even if the bipolar female terminal for external circuit connection fitted to the male terminal is tilted, the housing can be easily inserted, and the assembly will be easier. The purpose is to provide a housing that can simplify the work.

In the afternoon, this invention will be explained with reference to the drawings. In Fig. 3, 6 is a housing, 7 is a frame body which can be opened up and down, a partition wall 7f' is provided inside the frame body 7, and a terminal accommodating chamber 7gt is provided.
Forms 7g.

The structure is similar to that of the conventional art in that inclined guide surfaces 7h are provided on the inner surfaces of the left and right side walls 7a of the frame body 7 and on the lower edges of the partition wall 7f', respectively, but in this invention, the partition wall 7f'
The lower end of is positioned inside the lower opening end 7i of the frame body 7.

The inclination angle of the inclined guide surface 7h and the position of the lower end of the partition wall 7f' are appropriately selected depending on the maximum inclination angle and the length of the bipolar female terminal 5 that fits into the male terminals 2c, 2d, etc.

Next, the effect will be explained.

First, as shown in Fig. 4A, two bipolar female terminals 5A,
5B are both inclined to the left, when the housing 6 is attached, the corner of the left bipolar female terminal 5A comes into contact with the inclined guide surface 7h of the side wall 7a, and gradually rises while being guided by the surface 7h. It will be in a straight state as shown in Figure 4.

At this time, the right bipolar female terminal 5B does not contact either the partition wall 7f' or the side wall 7a, and the housing 6 has two bipolar female terminals 5A.

If the force required to insert 5B is 1, it can be inserted with a force as small as 1%.

Next, when the housing 6 is pushed down further, the bipolar female terminal 5B on the right side becomes a partition wall. It comes into contact with the inclined guide surface 7h of f' and enters the terminal accommodating chamber 7g in a straight state like the bipolar female terminal 5A.

In this way, when the bipolar female terminals 5A and 5B are both inclined in the same direction, the terminal accommodating chamber 7g is entered in stages, so that the insertion force can be halved.

FIG. 5 shows another example of this invention, in which the lower end of the partition wall 7f'' is slightly projecting outside the lower opening end 71 of the frame body 7.

The length of this protrusion is made much shorter than the thickness of the insulating plate 2 (see FIG. 1).

FIG. 6 shows its operating state, in which bipolar female terminals 5C and 5D are fitted into the male terminals 3dt3c protruding from the window 4 of the insulating substrate 2, respectively, while being inclined to the left.

When the housing 6 is inserted in this state, first, the partition wall 1f
The corner of the bipolar female terminal 5D comes into contact with the inclined guide surface 7h,
Guided by the surface 7h, it gradually rises, becomes vertical, and smoothly enters the terminal accommodating chamber 7g.

Next, the bipolar female terminal 5C contacts and is guided by the inclined guide surface 7h of the side wall 7a, and is inserted in stages as in the case of the two ports in FIG. 4A.

The bipolar female terminals 5C and 5D smoothly enter the terminal accommodating chamber 7g.

In the above, the housing 6 has two terminal accommodating chambers 7g.

7g, the lower end of the partition wall that partitions the terminal accommodating chambers is located inside or outside the lower open end of the frame, so that it can also be used when three or more terminal accommodating chambers are provided. Since the force required for insertion is distributed, it can be applied similarly.

Since the present invention is constructed as described above, even if the bipolar female terminal, which has been fitted in advance to the male terminal installed upright on the wiring board, is tilted to one side due to external force (which is usually the case,
There are few cases where an external force acts to tilt the left and right sides separately),
The connector housing can be easily installed, and there is no need to correct the orientation of the connector housing as in the past, and work efficiency can be improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of a conventional wiring board and a connector housing attached thereto, Fig. 2 is an explanatory diagram of its operating state, and Fig. 3 is a cross-section of essential parts showing an example of the connector housing according to this invention. Figure 4A and Figure 4A are explanatory diagrams of their operating states, and Figure 5 is a sectional view of the main parts showing another example of this invention.
FIG. 6 is an explanatory diagram of its operating state. 6... Connector housing, 1... Frame body, 1f. 7 f'. 1f"...Bulk wall, 7g...Terminal accommodation chamber, h...Incline guide surface.

Claims (1)

[Scope of utility model registration request] The connector housing accommodates a plurality of female bipolar terminals, one of which is fitted to a plurality of male terminals arranged in parallel, and a partition wall perpendicular to the longitudinal side wall is provided inside a frame body that opens upward and downward. A plurality of terminal accommodating chambers are formed, and an inclined guide surface is formed on the left and right side walls of the frame body and the lower end edge of the partition wall, and the lower end of the partition wall is located on the inner and outer sides that do not match the lower open end of the frame body. A connector housing featuring: