JPH07282880A - Common structure for male terminal - Google Patents

Abstract

PURPOSE:To reduce the number of part items and reduce the manufacturing cost by changing the width of a male terminal with a commonage means, and using the male terminal for relay terminals of many kinds having different width of female terminals. CONSTITUTION:This male terminal has a plate shape, fitting leg sections 33, 33 to a board are formed on one side, and an outer periphery connection section 37 is formed on the other side. A commonage means 32 is provided on the outer periphery connection section 37. The commonage means 32 is formed with a narrow width section 43 connected to a relay terminal 39 having a female terminal 41 of a small size and a wide width section 45 on the positioning projections 35, 35 side. A step section 47 is formed between the wide width section 45 and narrow width section 43. The tip section of the step section 47 is chamfered, and it is brought into contact with the end section of the female terminal section 41 of the relay terminal 39 connected to the narrow width section 43. The width size of the wide width section 45 is set slightly shorter than the inner diameter size of the female terminal section 51 of a relay terminal 49 of a large size.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a common structure for a male terminal connected to a mating terminal via a relay terminal having female terminal portions on both sides.

[0002]

2. Description of the Related Art FIG. 10 shows a male terminal 1 for a board disclosed in Japanese Utility Model Publication No. 55-160074. The male terminal 1 is composed of a rectangular plate-shaped external connection portion 3 and a substrate connection portion 5 which is integrally formed with the external connection portion 3 and is connected to a substrate (not shown). This male terminal 1 is, as shown in FIG.
Via a relay terminal 9 having female terminal portions 7, 7 formed on both sides, it is connected to a counterpart terminal, for example, a male terminal portion such as a relay or unit mounted on a board.

By the way, the width dimension of the male terminal portion of the counterpart terminal of the relay or the unit is set to several kinds. Therefore, when the width dimension of the male terminal portion of the mating terminal is small, the relay terminal 9 of small size having the female terminal portion of the small width dimension is used, and when the width dimension of the male terminal portion is large, it is large. A large-sized relay terminal 11 having a female terminal portion having a width dimension is used. Then, according to the size of these relay terminals 9 and 11, the male terminal 1 for the board is formed.
Also, a large size and a small size are set respectively. 11 (a) and 11 (b),
Male terminal 1a when using a small size relay terminal 9
And the male terminal 1b when using the relay terminal 11 of large size.

FIG. 12 shows a bus bar 13 for a relay box described in Japanese Utility Model Laid-Open No. 1-69313. The bus bar 13 includes a circuit portion 17 assembled to the wiring board 15 to form a branch circuit, and a plurality of male terminal portions 19 integrally formed at an end portion of the circuit portion 17.
The male terminal portion 19 is inserted into the slit 21 of the wiring board 15 and inserted under the wiring board 15, and the male terminal portion 19 has a relay terminal 25 having female terminal portions 23 on both sides.
It is connected to the male terminal portion 29 of the relay 27 via.

By the way, the male terminal portion 19 of the bus bar 13
Similarly to the male terminal 1 for the board, a plurality of types having different width dimensions are set in accordance with the size of the relay terminal 25 used.

The male terminal portion 29 of the relay or unit
A male terminal having a size matching the female terminal portion 23 of the relay terminal 25 that fits
And the male terminal portion 29 of the relay or unit is connected, and the male terminal portion 29 of the relay or unit is connected to the substrate or bus bar.

[0007]

However, it is necessary to set a plurality of types of conventional male terminals having different width dimensions according to the size of the female terminal portion of the relay terminal.
A mold and a manufacturing facility for molding each size of each male terminal were required, and the manufacturing cost was high.

For this reason, it is conceivable to form the male terminal in accordance with the size of the smallest-sized relay terminal so that the male terminal can be joined even in the case of the large-sized relay terminal. , When connecting a large size relay terminal to the male terminal, there is a gap and rattling, and a stable connection cannot be obtained.

Therefore, an object of the present invention is to provide a common structure for male terminals which can be used regardless of the size of the relay terminal and can provide stable connection.

[0010]

To achieve the above object, the invention according to claim 1 has a common structure of a male terminal connected to a mating terminal through a relay terminal having female terminal portions on both sides. It is characterized in that it has a sharing means capable of setting a width dimension of the male terminal corresponding to a plurality of types of the female terminal portion.

A second aspect of the invention is the invention according to the first aspect, wherein the sharing means is provided on the base side of the male terminal and has a wide portion to which a large-sized female terminal portion is coupled, and the male portion. It is characterized by comprising a narrow width portion provided on the tip end side of the terminal and to which a small-sized female terminal portion is joined.

A third aspect of the invention is the invention according to the second aspect, characterized in that the male terminal is formed in a convex shape with a wide portion and a narrow portion.

The invention according to claim 4 is the invention according to claim 1, wherein the sharing means is formed in a width position where a female terminal of a small size can be coupled, from the tip side toward the root side. It is characterized by being a slit.

The invention according to claim 5 is the invention according to claim 1, wherein the sharing means is a projection which is selectively provided on a side portion of the male terminal to widen the width of the male terminal. Is characterized by.

The invention according to claim 6 is the invention according to claim 5, characterized in that the projection is formed integrally with the substrate to which the male terminal is connected.

[0016]

According to the first aspect of the present invention, the width dimension of the male terminal is set by the communalizing means in correspondence with the size of the female terminal portion of the relay terminal. It can be used regardless of the size of the relay terminal.

According to the second aspect of the present invention, when the female terminal portion is joined to the relay terminal having a large size, the female terminal portion is joined to the wide portion of the male terminal, and the female terminal portion is joined to the relay terminal having a small size. Is connected to the narrow portion of the male terminal.

According to the third aspect of the present invention, when the female terminal portion is connected to the relay terminal having a large width,
When connecting to a wide portion of the male terminal and connecting to a relay terminal of a small size, it is connected to the narrow portion of the male terminal. In this case, since the male terminal is formed in a convex shape with the wide portion and the narrow portion, the narrow portion is located at the substantially central portion of the wide portion, and the female terminal portion of the relay terminal is disposed at the substantially central portion of the male terminal. Can be combined with.

According to the fourth aspect of the present invention, when the female terminal portion of the small-sized relay terminal is coupled to the male terminal, one side portion of the female terminal is inserted into the slit to form the small-sized relay terminal and the male terminal. Can be connected to terminals. Further, when the large size female terminal is coupled to the male terminal, the large size relay terminal and the male terminal can be coupled by coupling the male terminal to the female terminal portion.

According to the fifth aspect of the present invention, when the female terminal portion of the large-sized relay terminal is joined to the male terminal, protrusions are provided on both sides or one side of the male terminal to join the female terminal portion. . As a result, the male terminal can be joined to the female terminal portion without backlash, and a stable connection can be obtained.

According to the sixth aspect of the present invention, when a large-sized female terminal is connected to the male terminal, the protrusions integrally formed on the board are provided on both sides or one side of the male terminal, so that the female terminal is connected to the male terminal. Join. As a result, the male terminal can be joined to the female terminal without rattling.

[0022]

Embodiments of the common structure for male terminals according to the present invention will be described below.

First Embodiment FIGS. 1 (a), 1 (b) and 1 (c) show a male terminal 31 in which a shared male terminal structure according to the present invention is used. This male terminal 31
Has a plate-like shape, and mounting feet 33, 33 to the substrate are formed on one side thereof. An outer peripheral connecting portion 37 is formed on the other side. The outer peripheral connecting portion 37 is provided with the sharing means 32. The sharing means 32 includes a narrow portion 43 which is joined to the relay terminal 39 having a female terminal portion 41 having a small size.
And the positioning protrusions 35 of the narrow width portion 43, and the wide width portion 45 on the 35 side.

A step portion 4 is provided between the wide width portion 45 and the narrow width portion 43.
7 are formed. The tip portion of the step portion 47 is chamfered, and the end portion of the female terminal portion 41 of the relay terminal 39 joined to the narrow portion 43 abuts on the tip portion. The width dimension of the wide width portion 45 is set to be slightly shorter than the inner diameter dimension of the female terminal portion 51 of the large-sized relay terminal 49. Then, the female terminal portion 51 of the large-sized relay terminal 49 coupled to the wide portion 45 contacts the positioning protrusions 35, 35.

In FIG. 2, the male terminal 3 connected to the substrate 53 is shown.
1 and relay terminals 39, 49 connected to the male terminal 31.
Shows a state when viewed from a plane. As shown in the figure, the small-sized relay terminal 39 is joined in a state where the female terminal portion 41 is fitted only in the narrow width portion 43 and is in contact with the step portion 47. Further, in the large size relay terminal 49, the female terminal portion 51 is fitted into the narrow width portion 43 and the wide width portion 45, and the positioning protrusions 35, 3 are formed.
5 is joined in the state of being in contact with 5.

In FIG. 3, a male terminal 31 connected to a substrate 53 and connected with relay terminals 39 and 41, and this male terminal 31.
Shows a relay 57 having a male terminal portion 55 to which is connected.
As shown in the figure, the male terminal 31 connected to the substrate 53
Are accommodated in a terminal accommodating chamber 61 formed in the housing 59. The housing 59 is formed integrally with a cover 63 that covers the substrate 53. The male terminal 31 housed in the terminal housing chamber 61 has a relay terminal 39
One of the female terminal portions 41 is joined. The male terminal portion 55 of the relay 57 is inserted into the other female terminal portion 41 of the relay terminal 39, and is connected to the male terminal 31 via the relay terminal 39.

As described above, in the male terminal 31 of this embodiment, by forming the narrow width portion 43 and the wide width portion 45, the one male terminal 31 allows the relay terminals 39 and 49 of two sizes.
Can be combined with. Therefore, the number of male terminals can be reduced and the number of parts can be reduced.

Since the number of male terminals can be reduced, the number of molds and manufacturing equipment can be reduced, and the manufacturing cost can be reduced.

Further, even if the large-sized relay terminal 49 and the male terminal 31 are combined, there is no rattling, and a stable connection can be obtained.

The male terminal 31 of this embodiment has a wide portion 45.
By forming the narrow portion 43 and the narrow portion 43, it is possible to combine with the relay terminals 39 and 49 of two different sizes, but by forming a plurality of the wide portion 45 and the narrow portion 43, two or more kinds of relay terminals of different sizes can be formed. It is possible to combine.

Second Embodiment Next, a second embodiment shown in FIG. 4 will be described. The sharing means 66 provided in the male terminal 65 of the present embodiment is the narrow portion 6
7 and the wide width portion 71, the wide width portion 7 protruding toward both sides of the narrow width portion 67 on the positioning protrusions 69, 69 side of the narrow width portion 67.
1 is formed, and is formed in a convex shape as a whole. Further, the step portion 7 is provided at the connecting portion between the narrow width portion 67 and the wide width portion 71.
3, 73 are formed respectively, and the ends of the female terminal portions 41 of the small-sized relay terminals 39 joined to the narrow width portion 67 come into contact with each other.

The male terminal 65 of this embodiment can be connected to the relay terminals 39 and 49 of two sizes by one male terminal 65 as in the first embodiment. Therefore, the number of male terminals can be reduced and the number of parts can be reduced.

Since the number of male terminals can be reduced, the number of molds and manufacturing equipment can be reduced, and the manufacturing cost can be reduced.

Further, since the male terminal 65 of this embodiment is formed in a convex shape as a whole, the center of the male terminal 65 and the center of the jointed large-sized relay terminal 49 are not displaced from each other. The relay terminal 49 can be coupled to the substantially center of the terminal 65.

Further, even if the large-sized relay terminal 49 and the male terminal 65 are combined, there is no rattling, and a stable connection can be obtained.

Third Embodiment Next, a third embodiment shown in FIG. 5 will be described. In the male terminal 75 of the present embodiment, the outer peripheral connecting portion 77 is formed with a slit 79 as a sharing means from the tip side to the root side. The slit 79 is set to be slightly shorter than the inner diameter dimension of the female terminal portion 41 of the relay terminal 39 having a small width dimension from one side surface 77a of the outer peripheral connection portion 77 to the slit 79, and the narrow width portion 81 is formed. There is. The overall width dimension of the outer peripheral connecting portion 77 of the male terminal 75 is slightly shorter than the inner diameter dimension of the female terminal portion 51 of the large-sized relay terminal 49. Therefore, as shown in FIG. 5B, the female terminal portion 41 of the small-sized relay terminal 39 is inserted and coupled at one side into the slit 79, and the female terminal portion 41 of the large-sized relay terminal 49 is connected. In 51, the entire outer peripheral connecting portion 77 is inserted and coupled.

Also in this embodiment, as in the first and second embodiments, one male terminal 75 and two sizes of relay terminals 3 are provided.
Can be combined with 9,49. Therefore, it is possible to reduce the number of types of male terminals having different width dimensions and reduce the number of parts.

Since the number of male terminals can be reduced, the number of molds and manufacturing equipment can be reduced, and the manufacturing cost can be reduced.

Furthermore, the male terminal 75 of this embodiment is larger in size than the first and second embodiments, and has a larger size relay terminal 49.
It is possible to secure a wide contact area with the female terminal portion 51 in the connection with. In addition, a large-sized relay terminal 49
Even if the male terminal 75 and the male terminal 75 are joined together, stable connection can be obtained without rattling.

Fourth Embodiment Next, a fourth embodiment will be described with reference to FIGS. 6 to 8. In the present embodiment, a protrusion member 87 that widens the width of the male terminal 85 is provided as the sharing means. In this projecting member 87, a slit 91 into which the male terminal 85 can be inserted is formed on a plate-shaped substrate 89, and projections 93, 93 are provided upright integrally with the substrate 89 on both sides of the slit 91 in the longitudinal direction. .

Then, as shown in FIG. 6A, by inserting the male terminal 85 into the slit 91 and inserting it between the projections 93, 93, the width of the male terminal 85 can be increased. I can. In this case, as shown in FIG.
The width L1 of the male terminal 85 is smaller than the size of the relay terminal 3
9 is set to be smaller than the inner diameter L2, and the width L3 when the protrusions 93 are arranged on both sides of the male terminal 85 is set to be shorter than the inner diameter L4 of the female terminal portion 51 of the large-sized relay terminal 49.

When connecting a small-sized relay terminal 39 to such a male terminal 85, as shown in FIGS. 7 (a) and 7 (b), the male terminal 8 is used without using the protruding member 87.
The outer peripheral connecting portion 95 of 5 is connected to the female terminal portion 41 of the relay terminal 39. When connecting the relay terminal 49 of the next larger size, as shown in FIGS.
The outer peripheral connecting portion 95 is inserted into the slit 91 of No. 7, and the protrusions 93, 93 are located on both sides of the outer peripheral connecting portion 95. In this state, it is inserted into the female terminal portion 51 of the large-sized relay terminal 49 and coupled.

According to this embodiment, as in the above-described embodiments, one male terminal 85 is connected to two sizes of relay terminals 3.
It is possible to combine 9,49. Therefore, the number of male terminals can be reduced and the number of parts can be reduced.

Since the number of male terminals can be reduced, the number of molds and manufacturing equipment can be reduced, and the manufacturing cost can be reduced.

Further, in the male terminal 85 of this embodiment, when the male terminal 85 is coupled with the large-sized relay terminal 49, the outer peripheral connecting portion 9
5, the protrusions 93 are located on both sides of the male terminal 85.
And the center of the female terminal portion 51 are located on substantially the same axis, and the relay terminal 49 is not displaced.

Even if the large-sized relay terminal 49 is connected to the male terminal 85, stable connection can be obtained without rattling.

Although the projection 93 is formed integrally with the substrate 89 in this embodiment, the projection 93 is formed integrally with the wiring board 97 as shown in FIG. You may make it arrange | position on both sides of 95.

[0048]

As described above, according to the first aspect of the present invention, the width dimension of the male terminal is changed by the sharing means so as to correspond to several kinds of relay terminals having different width dimensions of the female terminal portion. Can be used. Therefore, one male terminal can be used regardless of the size of the relay terminal, and the number of parts and the number can be reduced. Therefore, the manufacturing cost can be reduced.

According to the second aspect of the present invention, when the female terminal portion is joined to the relay terminal having a large size, the female terminal portion is joined to the wide portion of the male terminal and is joined to the relay terminal having a small size. Since it is connected to the narrow portion of the male terminal, one male terminal can be used regardless of the size of the relay terminal, and the number of parts and the number of parts can be reduced. Therefore, the manufacturing cost can be reduced.

According to the third aspect of the present invention, when the female terminal portion is joined to the relay terminal having a large width, the female terminal portion is joined to the wide portion of the male terminal and is joined to the relay terminal having a small size. Is connected to the narrow portion of the male terminal. In this case, since the male terminal is formed in a convex shape with the wide portion and the narrow portion, the narrow portion is located in the substantially central portion of the wide portion. Can be connected to the part, and the center of the relay terminal and the male terminal will not be displaced.
Therefore, reliability in electrical connection can be improved.

According to the invention of claim 4, when the female terminal of the small size is coupled to the male terminal, one side portion of the female terminal is inserted into the slit to thereby connect the relay terminal and the male terminal of the small size. Can be combined. Further, when the large-sized female terminal is coupled to the male terminal, the large-sized relay terminal and the male terminal can be coupled by coupling the male terminal to the female terminal. In this case, the contact area can be secured even if the male terminal and the small-sized relay terminal are combined, or the male terminal and the large-sized relay terminal are combined, so that the reliability of the electrical connection can be improved. Can be improved.

According to the fifth aspect of the present invention, when a large-sized female terminal is connected to the male terminal, protrusions are provided on both sides or one side of the male terminal so as to be connected to the female terminal. As a result, the male terminal can be joined to the female terminal without rattling.

According to the sixth aspect of the present invention, when a large-sized female terminal is coupled with the male terminal, the female terminal is provided with the protrusions formed integrally with the substrate on both sides or one side of the male terminal. Combine with. As a result, the male terminal can be joined to the female terminal without play, and a stable connection can be obtained.

[Brief description of drawings]

FIG. 1 shows a male terminal of a first embodiment to which a structure for sharing a male terminal according to the present invention is applied, and a relay terminal to which the male terminal is coupled, (a) is a front view showing the male terminal, FIG. 6B is a perspective view showing a state in which a small-sized relay terminal and a male terminal are coupled, and FIG. 9C is a perspective view showing a state in which a large-sized relay terminal and a male terminal are coupled.

FIG. 2 is a plan view showing a male terminal of the first embodiment connected to a substrate and two types of relay terminals coupled to the male terminal.

FIG. 3 is a perspective view showing a male terminal of the first embodiment which is connected to the substrate and is housed in a housing, and a relay which is connected to the male terminal via a relay terminal.

FIG. 4 is a front view showing a male terminal according to a second embodiment to which a shared male terminal structure according to the present invention is applied.

FIG. 5 shows a male terminal of a third embodiment to which a structure for sharing a male terminal according to the present invention is applied, and a relay terminal to which this male terminal is coupled, (a) is a front view showing the male terminal, FIG. 6B is a front view showing a state in which a small-sized relay terminal and a male terminal are combined, and FIG. 9C is a front view showing a state in which a large-sized relay terminal and a male terminal are combined.

FIG. 6 is a perspective view showing a male terminal of a fourth embodiment to which a shared male terminal structure according to the present invention is applied, FIG. FIG. 6 is a perspective view showing a state in which the protruding member is attached to the male terminal, and FIG. 7C is a perspective view showing a state in which the protruding member is attached to the male terminal.

FIG. 7 shows a male terminal of a fourth embodiment to which a male terminal common structure according to the present invention is applied, (a) is a perspective view showing a small-sized relay terminal and male terminal, and (b) is small. A perspective view showing a state in which a relay terminal of a size and a male terminal are combined,
(C) is a perspective view showing a large-sized relay terminal and a male terminal to which a protruding member is attached, and (d) is a perspective view showing a large-sized relay terminal and a male terminal to which a protruding member is attached.

FIG. 8 shows a male terminal of a fourth embodiment to which a common structure for male terminals according to the present invention is applied, and a relay terminal coupled to this male terminal, wherein (a) is a small-sized relay terminal and a male terminal. And (b) is a front view showing a combined state of a large-sized relay terminal and a male terminal.

FIG. 9 is a plan view showing a male terminal of a fourth embodiment to which the common structure of male terminals according to the present invention is applied, and a large-sized relay terminal coupled to the male terminal.

FIG. 10 is a perspective view showing a conventional terminal for a board.

FIG. 11 is a front view showing a state in which a conventional male terminal for a substrate and a relay terminal are coupled, and FIG. 11 (a) is a state in which a male terminal for a substrate having a small width dimension is coupled to a small-sized relay terminal;
(B) is a front view showing a state in which a large-sized relay terminal is coupled with a male terminal for a board having a large width.

FIG. 12 is a perspective view showing a male terminal portion, a wiring board, and a relay terminal of a conventional bus bar.

FIG. 13 is a perspective view showing a male terminal portion of a conventional bus bar and a relay connected to the male terminal portion via a relay terminal.

[Explanation of symbols]

 31, 65, 85 Male terminal 32 Shared means 39 Relay terminal (small size) 41 Female terminal portion 43, 67, 81 Narrow width portion 45, 71 Wide width portion 49 Relay terminal (large size) 51 Female terminal portion 79 Slit 87 Protrusion Member 93 Protrusion

Claims (6)

[Claims] 1. A common structure of a male terminal connected to a mating terminal via a relay terminal having female terminal portions on both sides,
A common structure for a male terminal, comprising a sharing means capable of setting a width dimension of the male terminal corresponding to a plurality of types of the female terminal portion. 2. The invention according to claim 1, wherein the sharing means is provided on a root side of the male terminal and has a wide portion to which a large-sized female terminal portion is connected, and a tip portion side of the male terminal. A common structure for a male terminal, comprising: a narrow width portion provided on the lower end portion to which a small-sized female terminal portion is joined. 3. The shared structure for male terminals according to claim 2, wherein the male terminal is formed in a convex shape by the wide portion and the narrow portion. 4. The invention according to claim 1, wherein the sharing means is a slit formed in a width position where a small-sized female terminal portion can be connected, from the tip side toward the root side. Common structure for male terminals. 5. The invention according to claim 1, wherein the sharing means is a protrusion provided on a side portion of the male terminal to widen the width of the male terminal. Construction. 6. The common structure for male terminals according to claim 5, wherein the protrusion is formed integrally with a wiring board to which the male terminal is connected.