JPH0590818U - Joint connector - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a joint connector suitable for assembly automation. A plurality of terminal plates with electric wires 21, a housing 22 into which the upper surfaces are opened and the plurality of terminal plates 21 arranged side by side can be inserted from above, and a pressure connection terminal for pressing the terminal plates 21 to the lower surface. 23 groups are fixedly attached to the housing 22.
And a cover 24 coupled to the upper surface of the.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a joint connector that connects a plurality of electric wires to each other or distributes one electric wire to a plurality of wires.

[0002]

[Prior Art]

 Conventionally, as this type of joint connector, the one described in Japanese Utility Model Laid-Open No. 61-109072 is known. As shown in FIG. 5 and FIG. 6, this connector accommodates a pressure contact terminal 2 in a housing 1 having an open upper surface. It is compressed and locked in the groove 4 and pressed and fixed by the housing 1 and the cover 5.

In addition to this, the one described in Japanese Utility Model Laid-Open No. 57-87490 is known. In this connector, as shown in FIG. 7, a female terminal 13 with a wire is inserted into the insertion hole 12 provided in the housing 11 from one side, and a joint terminal 14 is inserted from the other side, so that the joint terminal 14 and the female terminal 13 are inserted. Is fitted and a cover 15 covering the joint terminal 14 is covered from the other side to fit the cover 15 to the housing 11.

[0004]

[Problems to be solved by the device]

 The former connector described above connects the press-connecting connection terminal 2 directly to the electric wire W, and the housing 1 must be changed according to the diameter of the electric wire W, which is not versatile and not suitable for automation. It was

[0007] Further, the latter connector described above has different parts assembling directions from one side to the other side, and is also unsuitable for automation.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a joint connector suitable for automation.

[0007]

[Means for Solving the Problems]

 SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a plurality of terminal plates with electric wires, a housing having an open upper surface and a plurality of terminal plates side by side that can be inserted from above, and a terminal plate on the lower surface. And a cover to which a group of pressure contact terminals for pressure contact are fixed and coupled to the upper surface of the housing.

[0008]

[Action]

 When assembling the joint connector with the above structure, the terminal plates with wires arranged side by side from above are inserted and fixed in the housing with an open top. Then, cover the same from above and connect it to the housing. As a result, the pressure contact connection terminal on the lower surface of the cover is pressure contact connected to the terminal plate.

[0009]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an exploded perspective view of a joint connector according to an embodiment of the present invention, and FIG. 2 is a sectional view of an assembled state.

This joint connector has a plurality of male tabs (terminal plates) 21 to which the electric wires W are crimped at the rear end, a rectangular box-shaped housing 22 having an open upper surface, and a pressure contact terminal 23 on the lower surface. It is composed of a fixed square cover 24.

The housing 22 is configured such that a plurality of male tabs 21 arranged in a line in a horizontal posture can be inserted from above in the same posture. That is, the step portion 25 and the intermediate wall 26 at the front end inside the housing are provided with slits 27 and 28 for inserting the front end and the intermediate portion of the male tab 21, respectively, between the slits 27 and 28. A convex portion 30 is provided to prevent the male tab 21 from coming out backward by engaging with the triangular concave portion 29 at the lower edge.

Further, the rear end wall 31 of the housing 22 is provided with an opening portion 32 for drawing out the electric wire W extending from each male tab 21, and between the rear end wall 31 and the intermediate wall 26, from the top, The locking claws 33 for preventing the inserted male tabs 21 from coming out upward are provided by the number of the arranged staves 21.

As shown in FIG. 3 (c), the locking claw 33 is formed by forming a beveled projection 33 b on the upper end of a flexible wall 33 a that is erected on the inner bottom surface of the housing 22. The male tab 21 rides over the protrusion 33b by lowering it along this slope. Then, the projection 33b and the male tab 21 are engaged with each other in a state where the male tab 21 is overridden to prevent the male tab 21 from coming out upward.

The cover 24 has a lower surface at a position corresponding to the intermediate wall 26 and the convex portion 30 on the housing 22 side when the cover 24 is covered with the housing 22, that is, slightly closer to the intermediate portion than the front end. A protruding portion 34 having a rectangular cross section is provided at the position. The protrusion 34 presses the upper edge of the terminal plate 21 when the cover 24 is fitted into the housing 22, and has two grooves 35, 35. Then, both upper ends of the press-connecting connection terminals 23 curved in a U shape are press-fitted and fixed in the two grooves 35, 35.

As shown in FIGS. 3A and 3B, the press-connecting connection terminal 23 has slits 36 sandwiching the terminal plate 21 as many as the number of the terminal plates 21, and both edges of each slit 36 are provided. Have projections 36a, 36a facing each other for strengthening the pressure contact force when the terminal plate 21 is sandwiched.

Further, at the rear end portion of the cover 24, there are formed as many protruding walls 37 as the number of the openings 32, which are fitted into the wire drawing openings 32 on the housing 22 side. The projecting wall 37 is formed to have an appropriate length so as to cover the opening 32 to some extent with the electric wire drawing space left.

Further, lock claws 40 extending downward are formed at four corners of the cover 24. This is for fixing the cover 24 to the housing 22 by locking the cover 24 on the upper surface of the housing 22 and locking the engaging portion 41 on the housing 22 side at the proper closed position.

Next, the operation will be described.

To assemble this joint connector, first, the electric wire W is crimped to the terminal plate 21, and the terminal plate 21 is fitted into the slits 27 and 28 of the housing 22. At this time, the terminal plate 21 is prevented from moving in the lateral direction by the slits 27 and 28, is prevented from moving rearward by the engagement of the convex portion 30 and the concave portion 29, and is prevented from being pulled out upward by the locking claw 33. And temporarily fixed.

In this state, the cover 24 to which the press-connecting connection terminal 23 is press-fitted and fixed is positioned above the housing 22 so that the terminal plate 21 is inserted into the groove 36 of the press-connecting connection terminal 23. Then, the cover 24 is vertically lowered to cover the upper surface of the housing 22, and the lock claw 40 of the cover 24 is locked to the locking portion 41 of the housing 22. As a result, the cover 24 and the housing 22 are integrally connected, and the protrusion 34 of the cover 24 presses the upper edge of the terminal plate 21. At the same time, the terminal plate 21 bites into the groove 36 of the pressure contact connection terminal 23, and the terminal plate 21 and the pressure contact connection terminal 23 are electrically joined.

According to this joint connector, the electric wire W is crimped to the terminal plate 21 and pressure-bonded to the pressure-connecting connection terminal 23 via the terminal plate 21, so that it can be widely applied regardless of the diameter of the wire W. You can Moreover, assembling is completed simply by assembling the terminal plate 21 and the cover 24 from above into the housing 22, so that automation can be accommodated. Further, since the pressure contact terminal 23 is fixed to the lower surface of the cover 24, the electrical connection is completed at the same time when the cover 24 is fitted, and the workability is improved.

The pressure contact terminal 23 may be appropriately divided according to the connection mode of the electric wire W.

[0024]

[Effect of the device]

 As described above, in the joint connector of the present invention, since the press-connecting connection terminal is press-connected to the terminal plate with electric wire, the difference in electric wire diameter can be absorbed by the terminal plate. Therefore, it can be widely used regardless of the wire diameter. Also, the terminal plate and the cover are assembled from the same direction, which is suitable for automated assembly.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a joint connector according to an embodiment of the present invention.

FIG. 2 is an assembled sectional view of the joint connector of the same.

[Fig. 3] Also showing parts of the joint connector,
(A) is a partial perspective view of a pressure contact connection terminal, (b) is a partial side view of the same pressure contact connection terminal, (c) is a perspective view of a terminal plate locking claw.

FIG. 4 is an assembled external view of a joint connector according to an embodiment of the present invention.

FIG. 5 is a sectional view of a conventional joint connector.

FIG. 6 is a partial perspective view of the conventional joint connector.

FIG. 7 is an exploded perspective view showing another example of a conventional joint connector.

[Explanation of symbols]

 W electric wire 21 male tab (terminal plate) 22 housing 23 crimp connection terminal 24 cover

Claims (1)

[Scope of utility model registration request] 1. A plurality of terminal plates with electric wires, a housing into which the upper surfaces are opened and the plurality of terminal plates arranged side by side can be inserted from above, and a press-connecting connection terminal group press-contacted to the terminal plates on the lower surface. A joint connector, comprising: a cover fixedly attached to the upper surface of the housing.