JPH0620299Y2 - Conductive connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a conductive connecting device, more specifically, a bent base portion of a narrow conductive plate, which is usually called a bus bar, is formed on a through hole of a bottomed insulating cylinder and its outer peripheral surface. And a projecting wall surface of an insulating substrate, and a bent piece of a small-width conductive plate that is deformed by an external force and does not deviate from its position.

[Prior Art] As a connector housing for making a conductive connection, there is a connector housing disclosed in, for example, Japanese Utility Model Publication No. 58-10306.

In this conventional technique, a connector housing for accommodating a plurality of female bipolar terminals provided by fitting one side to a plurality of juxtaposed male terminals is provided, and a longitudinal side wall and A plurality of terminal accommodating chambers are formed by providing orthogonal partition walls, and inclined guide surfaces are formed on the left and right side walls of the frame and the lower edge of the partition wall, and the lower end of the partition wall does not match the lower opening end of the frame body. The connector housing is characterized in that it is located on the outer side.

[Problems to be Solved by the Invention] In the above-mentioned conventional technique, the lid plate is screwed to the wiring board in a state where the brim formed by projecting on the lower part of the housing is pressed around the hole of the separately prepared lid plate. The housing is attached to the wiring board.

Therefore, it is necessary to prepare a lid plate separately, which is complicated and costly in terms of parts management, and it is difficult to work in narrow places and dark places because it requires screwing, and tools such as a screwdriver are required. The first problem is that it is necessary.

In particular, in this conventional example, the rising portion (folded piece) of a narrow circuit board
Since the base itself cannot be pressed by the lower surface of the housing, and the upper surface of the circuit board that is away from the base is pressed against the wiring board at the lower part of the inclined inner surface of the collar of the housing, the above-mentioned rising portion is deformed by external force. Or second position that is easily displaced
There was a problem.

In order to eliminate the above-mentioned problems, the present invention has a bent piece insertion hole of a bottomed cylinder in which a bent piece base (a rising base) of a narrow conductive plate disposed on an insulating base is directly made of an insulating material. And the peripheral surface thereof are pressed against the projecting wall surface of the insulating base to prevent the bent piece from being deformed and its position displaced, and the locking bullet piece of the insulating base is attached to the locking edge of the bottomed cylindrical body through the guide rail. The purpose is to remove the lid plate and its screwing by locking.

[Means for Solving the Problems] The above-described object of the present invention is to provide a rectangular plate-shaped pair of guide rails 3 on an upper surface 2 of an insulating base 1 molded of plastic on the upper surface of an insulating base molded of plastic. Of the guide rails 3 in parallel with each other, the upper surfaces of the front portions of the guide rails 3 are cut and raised obliquely rearward and upward to project the locking bullets 4, and the insulating base 1 at the rear portion of the guide rails 3 is provided.
The projecting wall 5 is integrally formed on the insulating base 1, and the narrow narrow conductive plate 6 is arranged on the insulating base 1 along one surface of the projecting wall 5, and the tip end of the narrow conductive plate 6 is aligned with the guide rail 3. Is bent to form a bent piece 7, and a through hole 8 through which the bent piece 7 is passed and a guide groove 9 engaged with the guide rail 3
And a cylindrical body 11 which is attached to the guide rail 3 via the locking bullet piece 4 at the locking edge 10 and is attached to the guide rail 3. The female connecting piece 12 inserted into the bending piece 7 is provided in 13 and the base portion 7A of the bending piece 7 is provided on the outer peripheral surface of the through hole 8 of the bottomed cylindrical body 11 and the projecting wall 5. It was achieved by holding it tightly and reinforcing it.

[Operation] Around a hole of a bottomed cylinder in which a bent piece base of a small-width conductive plate (bus bar) fixedly mounted on a protruding wall of an insulating base is attached to a guide rail of the insulating base by a locking bullet. Since the outer surface and the projecting wall surface of the base body can be tightly held, the bending piece is not deformed or displaced due to an external force due to the insertion and removal of the female connecting piece.

Also, the bottomed cylindrical body is mounted and mounted in a so-called "cassette pon" type by locking the locking edge to the locking bullet piece of the base body through the guide rail and without using a lid plate or a tool. it can.

[Examples] Examples will be described with reference to the drawings.

First, as shown in FIGS. 1 and 2, the basic structure of the present invention is as follows. A pair of guide rails 3 having a π cross section and at least one locking bullet are provided on an upper surface 2 of an insulating substrate 1 made of plastic or the like. Form a piece 4.

Then, along the one surface of the projecting wall 5 projecting near the end point of the guide rail 3 on the upper surface of the base body 1, a narrow metal strip-shaped narrow conductive plate 6 disposed on the insulating base body 1 is bent and formed, for example, at an end portion. For example, two bent pieces 7 having a narrow width are provided in parallel.

Further, a through hole 8 for allowing the bent piece 7 to pass through is formed as shown in FIG. 2, guide grooves 9 for engaging with the guide rail 3 are formed respectively as shown in FIG.
Then, the bottomed cylindrical body 11 made of heat-resistant plastic such as 66 nylon, which has an insulating property, is attached to the insulating base body 1 as shown in FIG. Arrange as shown.

Then, in the bottomed cylindrical body 11, the bending piece 7
Fourth inserted as shown in FIGS. 6, 6 and 8
And a male engaging body 13 having a female connecting piece 12 as shown in FIGS. 9 and 10, respectively, and a base portion of the bending piece 7.
As shown in FIGS. 4 and 9, the outer peripheral surface of the through hole 8 and the surface of the protruding wall 5 of the bottomed cylindrical body 11 in which 7A is attached to the insulating base 1 as shown in FIG. 4 are tight. By holding it, the conductive connecting device according to the present invention is constructed.

In addition, the part shown by the reference numeral 17 in each drawing is the female connecting piece 12
As shown in the figure, a locking claw for locking in the male engaging body 13, the reference numeral 14 is the female connecting piece 12 and the crimping connecting portion 18 is the fourth.
As shown in FIG. 9 and FIG. 9, lead wires of an insulating coating which are conductively connected, and reference numerals 15 and 16 are insertion and attachment formed on the bottomed cylindrical body 11 and the male engaging body 13 as shown in FIG. 1, respectively. It is a convex / concave portion for controlling the orientation.

Further, the bottomed tubular body 11 may be formed in a cylindrical shape, and the male engagement body 13 may be formed in a hollow cylindrical shape correspondingly, and the upper surface shape of the insulating base 1 and the formation position of the guide rail 3 may be determined.

Also, the example in which the two small width conductive plates 6 and the two bent pieces 7 are provided has been described, but in each case, a plurality of one or three or more pieces are arranged on the insulating substrate 1 to correspond to the numbers. The number of female connecting pieces 12 may be selected and the shapes of the male engaging body 13 and the bottomed cylindrical body 11 may be selected.

Since the conductive connecting device of the present invention has the above-mentioned structure, the insulating base 1 is first separated from the three-way separated state as shown in FIGS. 1 and 2, as shown in FIGS. 3 and 4. When the guide rail 3 is aimed from the front and pushed in while the guide groove 9 of the bottomed tubular body 11 is being applied, the locking bullet piece 4 of the insulating base 1 is inserted.
Immediately after the end face of the locking bullet 4 is locked by the bottomed cylindrical body 11 immediately after it becomes horizontal while flexing against the resilience due to the pressing stress due to the bottom surface of the bottomed cylindrical body 11 applied to the upper inclined surface. As shown in FIGS. 4A and 4B, the inner surface of the rim 10 is inserted into and elastically engaged with a snap, and the bottomed cylindrical body 11 is attached to the insulating base 1 by one-shot locking as shown in FIGS. It can be installed in a "cassette pon" style.

In this inserted state, the base portion 7A of the bent piece 7 of the small-width conductive plate 6 (bus bar) fixedly arranged on the insulating base 1 is attached to the insulating base 1 by the locking bullet piece 4 as described above. As shown in FIG. 9, the outer peripheral surface of the through hole 8 of the bottom cylindrical body 11 and the surface of the projecting wall 5 are tightly clamped, so that the bending piece 7 is formed by inserting and removing the female connecting piece 12. It is not deformed or displaced due to external force.

The narrow conductive plate 6 can be connected to an external circuit through the bent piece 7, the female connecting piece 12 and the lead wire 14.

10 and 11 are perspective views showing another embodiment of the present invention. First, in another embodiment shown in FIG. 10, a ridge 5a is formed at a substantially central portion of the projecting wall 5, and The bent pieces 7 of the small-width conductive plate 6 are arranged horizontally and are arranged in parallel with each other with the ridge 5a interposed therebetween. Other parts are the same as those in the above embodiment, but the female connecting piece 12 The arrangement direction naturally changes by 90 ° with respect to the examples shown in FIGS. 5, 7, and 9.

In the embodiment shown in FIG. 11, two guide rails 3 are arranged in parallel on the insulating base 1 and locking bullet pieces 4 are provided on both sides or one side thereof. Each part shows the same effect part.

Furthermore, if a gap is provided between the front part of the insulating base body 1 and the lower surface of the bottomed cylindrical body 11, the locking bullet piece 4 can be lowered from the front side of the clearance by a screwdriver or the like against the elasticity of the locking bullet piece. The bottomed tubular body 11 can be easily removed from the insulating base body 1 by pushing, so that replacement at the time of failure can be easily performed.

[Advantages of the Invention] Since the present invention is configured as described above, it has the following effects.

When the guide rail 3 is aimed from the front of the insulating base 1 and pushed in while the guide groove 9 of the bottomed tubular body 11 is being applied, the locking bullet piece 4 of the insulating base 1 is added to the upper inclined surface thereof.
Immediately after the pressing stress from the lower surface of 11 causes it to become horizontal while flexing against its elasticity, the end surface of the locking bullet piece 4 snaps into the inner surface of the locking edge 10 of the bottomed tubular body 11 and elastically engages. In this case, the bottomed cylindrical body 11 can be mounted on the insulating base body 1 in a so-called "cassette pon" manner by one-shot locking.

In this adhesion, work such as screwing is not required, so tools such as a screwdriver are not required, and since other members for fixing the tubular body such as a lid plate are not required, the workability is good, and the work is performed in a narrow space or in a dark place. It has the first effect that it can be mounted by hand groping even in places and is advantageous in terms of cost.

Further, in particular, in this invention, the base portion 7A of the bent piece 7 of the narrow conductive plate 6 (bus bar) is formed of the through hole 8 of the bottomed cylindrical body 11 attached to the guide rail of the insulating base 1 by the locking bullet piece 4. Since it is tightly clamped between the periphery and the surface of the projecting wall 5, the second effect that the bending piece 7 is not deformed or displaced by an external force due to the insertion and removal of the female connecting piece 12 or the like is provided. Have.

[Brief description of drawings]

Each of the drawings shows one embodiment of the present invention. FIG. 1 is a perspective view showing a state in which an insulating base body, a bottomed cylinder and a male engaging body are separated from each other, and FIG. FIG. 3 is a perspective view showing a state where a bottomed cylindrical body is attached to an insulating base body, FIG. 4 is a longitudinal sectional view showing a male engaging body facing the same as above, and FIG. 5 shows a male engaging body. FIG. 6 is a vertical cross-sectional view taken along the line AA in FIG. 5, and FIG.
FIG. 8 is a vertical sectional elevation view taken along the line BB in FIG. 8, FIG. 8 is a cross-sectional plan view taken along the broken line in FIG. 4, and FIG. 9 is a cross-sectional plan view taken along the line CC in FIG. [Fig. 6] is a perspective view showing another embodiment. DESCRIPTION OF SYMBOLS 1 ... Insulating base, 7A ... Base part 2 ... Upper surface, 8 ... Through hole 3 ... Guide rail, 9 ... Guide groove 4 ... Locking piece, 10 ... Locking edge 5 ... Projection wall, 11 ... Bottomed cylindrical body 6 ... Narrow conductive plate, 12 ... Female connecting piece 7 ... Bending piece, 13 ... Male engaging body

Claims (1)

[Scope of utility model registration request] 1. A pair of rectangular plate-shaped guide rails 3 are integrally and parallelly projected on an upper surface 2 of an insulating substrate 1 formed of plastic, and front upper surfaces of these guide rails 3 are cut obliquely rearward and upward. And a projecting wall 5 is integrally formed with the insulating base 1 at the rear portion of the guide rail 3, and a narrow narrow conductive plate 6 is provided along one surface of the projecting wall 5. The small width conductive plate 6 is arranged on the insulating base 1, and the vicinity of the tip end thereof is bent along the guide rail 3 to form a bent piece 7, and a through hole 8 through which the bent piece 7 is passed and The guide groove 9 engaged with the guide rail 3 is formed, and the tubular body 11 attached by being attached to the guide rail 3 via the engaging bullet piece 4 by the engaging edge 10 is provided. Body 11
The male engaging body 13 inserted into the inside is internally provided with the female connecting piece 12 inserted into the bending piece 7, and the base portion 7A of the bending piece 7 is provided.
A conductive connecting device in which the outer peripheral surface of the through hole 8 of the bottomed cylindrical body 11 and the surface of the projecting wall 5 are firmly clamped and reinforced.