JPS5986171A - Method of engaging terminal of connector housing - Google Patents

Abstract

(57) [Abstract] 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 method for locking a connector housing into a connector housing.

Conventionally, as a method of locking a terminal in a connector housing, as illustrated in FIGS.
A method of inserting and locking a terminal 4 provided with a locking hole 3 into a terminal receiving element 7 of a housing 1 having a flexible locking arm 6 having a locking protrusion 5 at its tip, or As illustrated in FIG. 3, a terminal receiving hole 11 of the housing 10 is provided at the rear end of the electrical contact portion 9 formed by folding back both sides of the tip board portion of the terminal 8.
A stepped portion 13 provided at the tip of the flexible locking arm 12 provided inside the
A method of engaging and locking is used.

However, with this conventional terminal locking method, it is impossible for Maiko to judge whether or not the terminal is accurately locked in the housing, so it is difficult to confirm that the terminal is securely locked in the housing. It is difficult to remove the terminal because the method and the bending direction of the locking arm provided in the housing intersect almost perpendicularly.
The area of the engaging part between the locking arm and the terminal is very small, so if the terminal is only inserted halfway, it will not work, and if it is not completely locked in the locking part, it will not engage when you pull the wire. There was a drawback that the stop arm was easily bent and the terminal was easily pulled out. Furthermore, if the wire is pulled with even greater force, there is a problem in that the retaining protrusion provided at the tip of the locking arm may be damaged.

The present invention has been made in view of the problems of the conventional method of engaging terminals with a housing, and has been made for the purpose of providing a new engaging method that completely eliminates the drawbacks of the above dr2. A detailed description will be given based on the drawings shown.

FIG. 4 is a perspective view showing an example of the female terminal used in the present invention, showing the electric contact portion 14 and the electric terminal I? Ilj! The air contacting part 14 has side walls 1T erected from both sides of the base plate 16 from the connecting part 15, and the extension parts of the side walls 11 are bent inward to form an upper wall substantially parallel to the base plate 16. At the same time, the front end extension part of the base plate part 16 is turned back and 511 is formed to form a resilient contact plate 19. 12 &II'Vt) is folded back to the substrate portion 160111. In addition, a square cut line is made in the intermediate terminal board part between the electrical contact part 14 and the FA contact part 15, and an opening 21 is formed by inserting the cut line in the upper part of the board.
AI on both sides]? An upstanding piece 22 is formed parallel to the side 1-'ζ17. In case of disaster, from both sides of the f-substrate board section 16, there is a wall connected to the wall 11 of the electrical connection section.
1 m 23 t, the tip of the side wall 23 is made inward to form the top (tl4), and the portion of the Hijikata residence facing the opening 21 of this top wall 24 is
5.

On the other hand, the electric wire connection part 15 is composed of a rectangular line crimping part 26 and a torsion line crimping part 21, which are formed by bending both sides of the terminal board inward, respectively.

FIG. 5 is a perspective view of a housing base C for locking a female terminal for carrying out the present invention, and a male housing M shown in FIG.
A partition frame for separating terminal-like silkworm chambers of the present invention, which is fabricated as a backing to the male housing so that it can be detachably attached to the male housing.

The housing space C includes a board 28 that divides the upper and lower terminal accommodating chambers of the male housing M, and a circuit board 28 that divides the left and right terminal accommodating chambers.
1] side plates 29 and 30 are vertically intersected and integrally molded, and resilient locking pieces 31 for locking terminals are erected on both the front and back sides of the board 28. This locking piece 31
is formed of two side-by-side plate pieces each having a protrusion 32 on the upper edge thereof, and the surface direction of the locking piece 31 is parallel to the side plates 29 and 30 of the housing space. In addition, the length 4 of the locking piece 31 in the horizontal longitudinal direction is made to match the length in the horizontal longitudinal direction of the upright pieces 22 on both sides of the opening 21 provided in the terminal board part, and the length 4 of the locking piece 31 in the horizontal longitudinal direction Distance between >II1 of the stopper piece i'J:
C4 is made to substantially match the length of the opening 21 in the width direction, that is, the distance between the upright pieces 22. Also, board 28 and 1lIl1 defeat 29
Shun ψiij 1i of sky ba1 part 33 divided by ゜30
The inner surfaces of the li 9 side plates 29°30 have opposing protrusions 34.
and both 11 of the housing base board 28
A step portion 36 is formed by cutting out a portion of the rear portion of the 111 edge portion 35 .

Figure 6 shows a J housing space C shown in Figure 5.
, lli connector housing (hereinafter simply referred to as M housing) is a perspective view of M, and the front middle part of the retainer 38 forming the terminal accommodating chamber 37 of the nitrogen cavity is formed into a concave portion toward the terminal accommodating chamber 37, and the tips of its four parts are The lock arm 39 is bent toward the rear of the male housing. In addition, the middle part Vctit of the side surface 41 of the P&m housing is provided outward J, and ri+;
2, and a protrusion (not shown) is provided in the recess of the core 42. Historically, a warp plate 43 suspended vertically from the housing upper surface 38 is attached to the rear center of the fatigue housing.

FIG. 7 is a perspective view showing an example of the male terminal B used in the present invention, and is it an electrical contact? : 145 and the wire connection part 46, and the electric contact part is the tongue piece 4 formed by extending the front end of the base plate part 47.
B, bend the intermediate board part between the tongue piece 48 and the electrical ffM connection m46 from both sides to make the side wall 49 stand up, and then bend the extending part inward to make the part parallel to the board part 4T. While forming the upper wall 50, the tongue piece 48 and electric mi!
An opening 51 having substantially the same size as the opening 21 formed in the female terminal housing plate section 11.eta. is bored in the intermediate substrate section 47 connected to the connecting section 46.

Therefore, the length of the terminal longitudinal direction of the iiJ port 51 is the length of the locking piece 3.
1 in the horizontal longitudinal direction, and the length in the terminal width direction is approximately equal to the interval between the tip protrusions of the locking pieces 31.

On the other hand, one end surface of the top (turn) 50 facing the opening 51 is bent parallel to the side wall 49 toward the opening 51 to form a bending piece 52, and the rear end of the top wall 50 is bent to face the opening 51. Space t,'! 53 is formed.

At this time, the distance between the bending pieces 52 is set to be approximately equal to the distance t2 between the locking pieces 31 juxtaposed on the substrate 2B of the housing space C. The wire connecting portion 46 includes a covering portion 54 and a wire tightening portion 55.

No. 81Δ indicates a housing base C' that locks the male terminal in FIG. 7, and its structure is exactly the same as No. 1 housing base shown in FIG.
II Hito. Therefore, the numbers of the No-Using pace valleys in FIG. 8 are the same as those in FIG. 5, with a dash added, and their explanation will be omitted.

FIG. 9 is a perspective view of the female connector housing (hereinafter simply referred to as the Tsumugi housing) F used in the present invention, and shows how the housing base C' and the male housing shown in FIG. 6 fit together. The central part of the upper part 56 of the accommodation part f is formed into a space 57, and a vertical support 58 suspended from the earthen wall 56 is installed in this space. In addition, an Hlso is formed in the middle part of the female housing side surface 59 and extends outward in the longitudinal direction.
A protrusion 61 is provided at the rear end of the disease 60. On the other hand, a protrusion 63 is provided at the center of the upper surface 62 of the fitting part f' of the male housing, and its fiiJ end is connected to form a locking frame 64. The inner surfaces of both sides are formed into concave portions into which convex portions 44 on both sides of the male housing M shown in FIG. 6 are fitted.

Next, the terminal locking method according to the present invention will be described in each of the above drawings and in the fourth figure.
Connect the female terminal in the figure to the locking piece 31 of the housing base in Figure 5.
Figures 10 and 7 show the A-in sectional view of the state in which the
Plug in the male terminal shown in the figure.
A step-by-step explanation will be given with reference to FIG. First, when the female terminal shown in FIG. 4 is inserted into the terminal board side 1 opening 21 from above the housing base C as shown in FIG. The upright pieces 22 that stand up on both side edges enter the locking piece 31 while bending it inward, and when the tip of the upright piece 22 passes over the protrusion Mi2 of the locking piece 31, the locking piece 31 returns to its original state due to its elasticity. Then, the projection 32 is locked to the top of the top end of the terminal upper wall 24, and the terminal is fixed to the housing base.Then, the mounting space C with the terminal fixedly locked is attached to the male housing shown in FIG. When the housing base is inserted in the direction of the arrow, the protrusion 34 at the rear end of the housing base comes into contact with the baffle plate 43 at the rear of the male housing, preventing the housing base from coming off forward from the male housing.
IJill m K provided groove 4 of male housing M
2 and enters into the male housing of the housing base C by engaging the stepped portions 36 on both side edges of the housing base with the protrusions (not shown) provided at the rear end of the housing base C. The boat is prevented from pulling out from behind.

FIG. 12 shows that the above operation resulted in a fiber ψ11. i child jJI4-・
It is housed inside Uzing M! It shows the outpost.

On the other hand, regarding the male terminal in Figure 1, a locking piece 31 is provided upright on the upper surface of the housing space O'h'b plate 28' from the space 531+111 provided at the rear end of 4 to 50.
When the bent piece 52ij of the terminal is inserted toward the locking piece 31', the bending piece 52ij of the terminal enters while bending the locking piece 31' inward. The stopper piece 31' is returned to its original state by one step, and its protrusion 32' is engaged with the upper end of the bending piece 52, so that the terminal is screwed onto the housing base C'.

Next, when the housing base with the terminal fixed thereon is inserted into the female/S housing F shown in Fig. 9 in the direction of the arrow), the projection 34' at the rear end of the housing space is suspended vertically at the rear of the female housing. 58 and prevents the housing base from coming off forward from the female housing, and the both side edges 35' of the housing base are fitted along the brocades 60 provided on the sides of the female housing. The step portion 36' engages with the protrusion 61 provided at the rear end of the housing 60, thereby preventing the housing base C' from coming off backward from the female housing.

Figure 13 shows male i and female female) using the above procedure.
The state shown is that it is housed inside.

As explained in detail above, the present invention consists of a terminal-shaped room partition frame that can be freely detached from the connector housing...A terminal having an opening in the base plate is attached to a locking piece installed upright on the housing base board. Since the fitting base is fitted into the connector housing after being engaged and locked in the opening, there are many advantages as listed below. , (1) Since the terminal can be locked and fixed to the housing base while being securely ffg with the metal lid, the terminal will not be fully engaged (actually, if the terminal is not completely engaged with the locking piece) In this case, it is impossible to insert the housing base into the housing, so that it is possible to detect at an early stage whether the terminal is completely locked or not.

(2) The terminal is erected with the opening provided in the board part facing the housing space, and is locked by a plate-shaped locking piece whose longitudinal direction is in the same direction as the direction in which the terminal Δ1, 1 is removed. The locking is strong, and even if the wire is pulled, the terminal will not easily come out or the locking piece will not be damaged.

(3) Since the housing space is manufactured separately from the housing, manufacturing of the connector becomes easy and H=i cost is reduced.

(4) It is possible to completely prevent the contact distance between the female and male terminals from being reduced due to the deflection of the lance and the disconnection of the terminals due to the deflection of the locking arm as in the conventional method.

[Brief explanation of drawings]

Figures 1 to 3 are explanatory diagrams of the conventional terminal locking method, 8g
4 is a perspective view of a female terminal used in the present invention, FIGS. 5 and 8 are perspective views of a housing base used in the present invention, and FIG. 6 is a perspective view of a male connector housing used in the present invention. Figure 1 is a perspective view of the male terminal used in the present invention, Figure 9 is a perspective view of the female connector housing used in the present invention, and Figure 10 is the female terminal in Figure 4 attached to the housing base in Figure 5. Fig. 11 is a sectional view of MuA when engaged, and A' when the male terminal of Fig. 7 is locked to the housing space of Fig. 8.
-A' sectional view and FIG. 12 show the female terminal locked and housed in the male connector housing according to the present invention! FIG. 4 and FIG. 13 are views similarly showing a state in which the male terminal is locked and accommodated in the connector housing. 1.10... Housing, 4.8... Terminals 1, 5.
... Locking protrusion, 6, 12... Flexible locking arm, 14.4
5... Whistle 1 air contact part, 15.46... - line connection part,
16゜41...Terminal board part, 17,23.49...
t111 wall, 18°24.50...earth wall, 21.51
...opening, 22...standing piece, 28, 28'...
Substrate, 29.29', 30.30'... side plate, 31
, 31'...locking piece, 34, 34' protrusion, 36
, 36'... step, 52 river refraction piece, 43.58...
・Baffle plate, 42.60...groove. Patent applicant Yazaki Sogyo Co., Ltd. Figure 4 Figure 5 Figure 6 Figure 9 Figure 10, 28' 120

Claims (1)

[Claims] An opening is provided in the board part of the locking piece installed upright on the housing base board, which consists of a terminal storage chamber partition frame that can be freely inserted into and removed from the connector housing! 11.: A method for locking a connector housing by engaging and locking the connector housing in the opening, and fitting the housing space into the connector housing.