TWI725721B - Contact - Google Patents

Abstract

The present invention relates to a contact, the contact defines a mating section and a retaining section behind the mating section for fixing in an insulative housing. The mating section has a top wall, a pair of side walls on both sides of the top wall a bottom wall and a pair of contacting portions opposite to each other for mating with a complementary contact. A joint is formed in the top wall or the bottom wall and extending along a front-and-back direction. The mating section has a mating end surface on the front end thereof and a pair of cutouts opposite to each other. Each cutout is continuously opened in at least one of the top wall and the bottom wall and corresponding side wall, thereby forming a sheet portion adjacent to the cutout on each side wall, and a free end of each sheet portion can be opened outwards. The pair of contacting portions are respectively formed from inner surfaces of the sheet portions towards each other, and located between the mating end surface and the cutouts in the front-and-back direction.

Description

Conductive terminal

The invention relates to a conductive terminal.

The contact part of the traditional conductive terminal is an inelastic bump structure, and the contact method with the pin-type butt terminal is hard interference, which causes the bump structure to be easily worn; in addition, after the conductive terminal is inserted and removed many times, the contact part It is stretched and cannot be restored to its original shape, and the docking terminal will be displaced when it is rotated or tilted under improper external force, so that only its edge part is in contact with the contact part of the conductive terminal, which in turn leads to electrical power between the conductive terminal and the butting terminal. Poor sexual contact.

In view of this, it is indeed necessary to further improve the conventional conductive terminals to solve the above-mentioned problems.

The purpose of the present invention is to provide a conductive terminal with better electrical contact.

In order to achieve the above object, the present invention provides a conductive terminal, which includes a butting section and a holding section located on the rear side of the aforesaid butting section to be clamped with the insulating body. The aforesaid butting section has a top wall and is located on two sides of the top wall in the transverse direction. The side wall, the bottom wall opposite to the top wall, and a pair of contact portions opposite to the butting terminal. The top wall or the bottom wall has a seam extending in the front-to-rear direction, wherein the abutting section has a The butting end surface of the front end and a pair of oppositely arranged notches, each of the foregoing notches is continuously opened on at least one of the top wall and the bottom wall and the corresponding side wall, so as to form a free end on the side wall that is adjacent to the foregoing notch The body part that can be opened to the outside, the aforementioned pair of contacts The portions are respectively formed to protrude from the inner surface of the sheet body portion toward each other and are located between the mating end surface and the notch in the front-to-rear direction, and each of the contact portions has a flat shape to achieve surface contact when contacting with the mating terminal In the non-butting state, the distance between the top ends of the contact surfaces of the pair of contact portions is smaller than the distance between the bottom ends of the contact surfaces.

As a further improvement of the present invention, each of the aforementioned contact portions is a long strip extending in the height direction.

As a further improvement of the present invention, each of the aforementioned notches includes a first notch and a second notch that are connected and arranged at an angle, and the first notch is opened on the top or bottom wall and extends in the front-to-rear direction, The second notch is opened on the side wall and extends along the height direction.

As a further improvement of the present invention, the above-mentioned top wall, side wall and bottom wall are surrounded by a frame shape for the insertion of the docking terminal.

As a further improvement of the present invention, the sheet body portion has a first end surface protruding from the first gap portion and a second end surface protruding from the second gap portion, and the contact portion extends from the first end surface to the The other end of the side wall opposite to the first end surface is arranged.

As a further improvement of the present invention, the first notch is provided on the top wall.

As a further improvement of the present invention, the contact portion extends obliquely on the side wall, so that the top end of the contact portion is closer to the junction of the first notch and the second notch in the front-to-rear direction than the bottom end.

As a further improvement of the present invention, the contact surfaces of the aforementioned pair of contact portions are arranged parallel to each other, and the front edge of each contact surface extends in a direction parallel to the aforementioned mating end surface, and the rear edge of each contact surface has a rear edge close to the first The first end of the notch and the second end away from the aforementioned first notch, front The distance from the first end to the abutting end surface is greater than the distance from the second end to the abutting end surface.

As a further improvement of the present invention, the first notch is formed on the bottom wall, and the second notch is formed by extending upward from the rear end of the first notch.

As a further improvement of the present invention, the first notch is provided on the bottom wall, the butting section further has a first slot and a second slot that are arranged asymmetrically on the upper side of the pair of contact portions, and the aforementioned one The notch and the first and second slots respectively define the sheet body portion.

Compared with the prior art, the butting section of the conductive terminal of the present invention has a pair of notches arranged opposite each other, and each of the aforementioned notches is continuously opened on at least one of the top wall and the bottom wall and the corresponding side wall to form on the side wall A piece body part that is arranged adjacent to the notch and whose free end can be expanded outwardly, the pair of contact parts are formed to protrude from the inner surface of the piece body part toward each other and are located on the butting end surface in the front-rear direction And the notch, so that the sheet body and the contact portion have better elasticity, and thus the conductive terminal has better electrical contact ability, and has a larger contact area when contacting with the mating terminal. Poor contact.

1, 2, 3, 4, 5, 6: conductive terminals

11, 41: docking section

110, 210: Butt end face

111, 511: top wall

112, 312, 612: side wall

113, 313, 413, 513, 613: bottom wall

1131: connecting bridge

114, 214, 414, 514, 614: contact part

1140, 2140, 5140: contact surface

11401: top

11402: bottom

115: Seam

116, 316, 416: gap

1161, 2161, 3161, 4161, 5161, 6161: first missing part

1162, 3162, 5162, 6162: second missing part

1163: third missing part

117, 417: sheet body

1171: first end face

1172: second end face

1173: third end face

12: Holding section

121: card holding arm

123: Wing

13: Crimp section

2141: leading edge

2142: back edge

2143: first end

2144: second end

418: first slot

419: second slot

The first figure is a perspective view of the first embodiment of the conductive terminal of the present invention.

The second to third figures are views from another perspective of the conductive terminal shown in the first figure.

The fourth figure is a side view of the structure of the conductive terminal part shown in the first figure.

The fifth figure is a top view of the structure of the conductive terminal part shown in the first figure.

The sixth figure is a front view of the conductive terminal shown in the first figure.

The seventh figure is a perspective view of the second embodiment of the conductive terminal of the present invention.

Figure 8 is a cross-sectional view of the structure of the conductive terminal shown in Figure 7.

The ninth figure is a front view of the conductive terminal shown in the seventh figure.

Figure 10 is a perspective view of the mating section of the third embodiment of the conductive terminal of the present invention.

Figure 11 is a perspective view of the mating section of the fourth embodiment of the conductive terminal of the present invention.

Figure 12 is a side view of the butting section of the conductive terminal shown in Figure 11.

Figure 13 is a perspective view of the mating section of the fifth embodiment of the conductive terminal of the present invention.

Figure 14 is a perspective view of the mating section of the sixth embodiment of the conductive terminal of the present invention.

Please refer to Figures 1 to 6 for the first embodiment of the conductive terminal 1 of the present invention. For ease of description, the butting end of the conductive terminal 1 will be regarded as the front end and the other end opposite to the butting end will be regarded as the rear. To illustrate, the aforementioned conductive terminal 1 includes a mating section 11 and a holding section 12 located on the rear side of the aforementioned mating section 11 to be clamped with an insulating body (not shown).

The docking section 11 has a top wall 111, side walls 112 located on both sides of the top wall 111 in the transverse direction, a bottom wall 113 disposed opposite to the top wall 111, and one of oppositely disposed to contact a docking terminal (not shown) For the contact portion 114, the top wall 111 or the bottom wall 113 has a seam 115 extending in the front-rear direction.

In this embodiment, the top wall 111, the bottom wall 113, and the side wall 112 all extend backward and are formed on the holding section 12 at the same time.

At the same time, the aforesaid butting section 11 has a butting end surface 110 at its front end and a pair of notches 116 opposite to each other. Each notch 116 is continuously opened on at least one of the top wall 111 and the bottom wall 113 and the corresponding side wall 112. The side wall 112 is formed with a piece portion 117 adjacent to the notch 116 and whose free end can be opened outward. The pair of contact portions 114 are formed to protrude from the inner surface of the piece portion 117 toward each other and are formed in the front-rear direction. The upper part is located between the aforementioned butting end surface 110 and the aforementioned gap 116 between.

In the present invention, each of the aforementioned contact portions 114 is elongated to increase the contact area when mating with the mating terminal. Even if the mating terminal rotates in the mating space of the mating section 11, a larger contact area can be ensured.

At the same time, the contact portion 114 extends along the height direction of the conductive terminal 1, and it can be clearly seen that the overall extension length of the contact portion 114 in the height direction is relatively large. It should be noted that the extension in the height direction mentioned here does not mean only the extension in the height direction in an absolute sense, but also includes the extension in the height direction forward, backward, inward or outward obliquely.

The top wall 111, the side walls 112, and the bottom wall 113 are surrounded by a frame shape to form a docking space for the docking terminal (not shown) to be inserted. Each of the aforementioned contact portions 114 has a contact surface 1140 for contacting the docking terminal. The aforementioned contact surface 1140 is flat.

Each of the aforementioned notches 116 includes a first notch 1161 and a second notch 1162 that are connected and arranged at an angle, and the first notch 1161 and the second notch 1162 are connected in an L shape, and the first notch 1161 is opened On the top wall 111 or the bottom wall 113 and extending in the front-to-rear direction, the second notch 1162 is opened on the side wall 112 and extends in the height direction.

In this embodiment, the notch 116 further has a third notch 1163 located on the lower side of the second notch 1162 and communicated with the third notch 1163, and the third notch 1163 is downward from the bottom end of the second notch 1162. It extends until the bottom wall 113 is partially cut off to form a connecting bridge 1131 on the bottom wall 113 between the two third notches 1163 in the lateral direction.

The sheet portion 117 has a first end surface 1171 protruding from the first notch 1161 and a second end surface 1172 protruding from the second notch 1162. The contact portion 114 extends from the first end surface 1171 to The other end of the side wall 112 opposite to the first end surface 1171 is disposed.

Specifically, in this embodiment, the sheet portion 117 further has a third end surface 1173 connected to the second end surface 1172, the third end surface 1173 is exposed in the third notch 1163, and the third end surface 1173 extends along The first end surface 1171 and the second end surface 1172 are arranged at an angle and extend obliquely, and in the front-rear direction, the bottom end of the third end surface 1173 is located in front of the top end, so as to reduce the difference between the side wall 112 and the bottom wall 113 The connection between them increases the elasticity of the side wall 112 and the contact portion 114 on the side wall 112.

In addition, in this embodiment, the first notch 1161 is opened on the top wall 111, and in the non-butting state, the distance between the top ends 11401 of the contact surfaces 1140 of the pair of contact portions 114 is smaller than the distance between the contact surfaces 1140. The distance between the bottom ends of 1140 and 11402.

At the same time, the contact portion 114 extends obliquely on the side wall 112 so that the top end of the contact portion 114 is closer to the junction of the first notch 1161 and the second notch 1162 in the front-to-rear direction than the bottom end.

In this embodiment, the aforementioned conductive terminal 1 has a left-right symmetrical structure along its vertical center plane, and the aforementioned holding section 12 has a pair of clamping arms 121 folded outward from the side wall 112 and located on the aforementioned pair of clamping arms. A pair of wing portions 123 on the rear side of 121, the aforementioned pair of wing portions 123 are formed by bending outward from the corresponding side wall 112, and in the height direction, the aforementioned wing portion 123 and the aforementioned clamping arm 121 are at different heights. As shown in FIG. 6, in this embodiment, the wing portion 123 is located on the upper side of the holding arm 121.

In addition, the aforementioned conductive terminal 1 further has a crimping section 13 located at the rear side of the aforementioned holding section 12 to be connected with a cable (not shown).

Please refer to Figures 7 to 9 which are the second embodiment of the conductive terminal 2 of the present invention. The basic structure of the aforementioned conductive terminal 2 is the same as that of the conductive terminal 1 in the first embodiment. Only the differences are explained: In this embodiment, as shown in the ninth figure, the contact surfaces 2140 of the pair of contact portions 214 of the aforementioned conductive terminals 2 are arranged parallel to each other. As shown in Figure 8, the front edge 2141 of each contact surface 2140 extends in a direction parallel to the mating end surface 210, and the rear edge 2142 of each contact surface 2140 has a first end 2143 close to the first notch 2161 and away from the aforementioned For the second end 2144 of the first notch 2161, the distance from the first end 2143 to the mating end surface 210 is greater than the distance from the second end 2144 to the mating end surface 210.

Please refer to Figure 10, which is the third embodiment of the conductive terminal of the present invention. The basic structure of the aforementioned conductive terminal 3 is the same as that of the conductive terminal 1 in the first embodiment. Description: In this embodiment, the notch 316 of the conductive terminal 3 is continuously opened on the bottom wall 313 and the corresponding side wall 312. Specifically, the first notch 3161 is opened on the bottom wall 313, and the second The notch 3162 extends upward from the rear end of the first notch 3161. The contact surfaces of the aforementioned conductive terminals 3 may not be arranged in parallel as in the first embodiment, or may be arranged in parallel as in the second embodiment.

Please refer to Figures 11 and 12, which are the third embodiment of the conductive terminal 4 of the present invention. The basic structure of the aforementioned conductive terminal 4 is the same as that of the conductive terminal 1 in the first embodiment, and will not be repeated here. In the following, only the differences will be described: In the fourth embodiment of the present invention, the first notch 4161 of the conductive terminal 4 is opened on the bottom wall 413, and the butting section 41 of the conductive terminal 4 also has a configuration The first slot 418 and the second slot 419 are arranged asymmetrically on the upper side of the contact portion 414. The pair of notches 416 and the first and second slots 418 and 419 respectively define a sheet portion 417.

Please refer to Figure 13 which shows the fifth embodiment of the conductive terminal of the present invention. The basic structure of the aforementioned conductive terminal 5 is the same as that of the conductive terminal 1 in the first embodiment. The same as the first embodiment, the aforementioned conductive terminal The first notch 5161 of 5 is opened on the top wall 511, and in the non-butting state, a pair of contact The distance between the top ends of the contact surfaces 5140 of the portion 514 is smaller than the distance between the bottom ends of the aforementioned contact surfaces 5140. Other similarities will not be repeated here, and only the differences will be described below: The second notch 5162 continuously extends downwards from the rear end of the first notch 5161 to the bottom wall 513 of the conductive terminal 5, and does not have the third end surface inclinedly arranged in the first embodiment. In addition, the conductive terminal 5 The contact surfaces are not arranged in parallel as in the first embodiment.

Please refer to Figure 14, which is the sixth embodiment of the conductive terminal of the present invention. The basic structure of the conductive terminal 6 is the same as that of the conductive terminal 1 in the first embodiment, and the contact portion 614 of the conductive terminal 6 is on the side wall 612 extends obliquely so that the top end of the contact portion 614 is closer to the junction of the first notch 6161 and the second notch 6162 in the front-to-rear direction than the bottom end. Other similarities are not repeated here, and only The difference is explained: the second notch 6162 of the aforementioned conductive terminal 6 continuously extends downward from the rear end of the aforementioned first notch 6161 to the bottom wall 613 of the aforementioned conductive terminal 6, and does not have the inclination in the first embodiment. The third end surface is arranged, and a pair of contact surfaces of the aforementioned conductive terminal 6 are arranged in parallel.

In the embodiments of the present invention, the butting sections of the conductive terminals 1, 2, 3, 4, 5, 6 have a pair of oppositely arranged notches, and each of the foregoing notches is continuously opened in at least one of the top wall and the bottom wall and the corresponding On the side wall, a piece portion is formed adjacent to the aforementioned notch and whose free end can be expanded outward, and the pair of contact portions respectively protrude from the inner surface of the piece portion toward each other and are formed in the front-rear direction The upper part is located between the aforementioned butting end surface and the aforementioned notch, so that the sheet body and the contact part have better elasticity, and thus the conductive terminal has better electrical contact ability, and has a larger contact with the butt terminal. Contact area to avoid poor contact.

In particular, it should be pointed out that for those of ordinary skill in the art, the equivalent changes made to the present invention under the teachings of the present invention should still be included in the claimed scope of the patent application of the present invention. In the range.

1: Conductive terminal

11: Docking section

112: side wall

115: Seam

117: Body

12: Holding section

121: card holding arm

123: Wing

13: Crimp section

Claims (10)

A conductive terminal comprising a butting section and a holding section located on the rear side of the aforesaid butting section to be clamped with an insulating body. The aforesaid butting section has a top wall, side walls located on both sides of the top wall in the transverse direction, and opposite to the top wall The bottom wall is provided and a pair of contact portions is arranged oppositely to be in contact with the docking terminal. The top wall or the bottom wall has a seam extending in the front-to-rear direction, wherein the docking section has a butting end surface at its front end and one of the oppositely disposed one Regarding the notches, each of the aforementioned notches is continuously opened on at least one of the top wall and the bottom wall and the corresponding side wall, so as to form on the side wall a sheet body part which is arranged adjacent to the aforementioned notch and whose free end can be opened outward. A pair of contact portions are respectively formed to protrude from the inner surface of the sheet body portion toward each other and are located between the mating end surface and the notch in the front-to-rear direction, and each of the contact portions has a planar shape to realize the surface when contacting the mating terminal. In the non-butting state, the distance between the top ends of the contact surfaces of the aforementioned pair of contact portions is smaller than the distance between the bottom ends of the aforementioned contact surfaces. In the conductive terminal described in the first item of the scope of the patent application, each of the aforementioned contact portions is a long strip extending in the height direction. As for the conductive terminal described in item 2 of the scope of patent application, each of the aforementioned notches includes a first notch and a second notch that are connected and arranged at an angle, and the first notch is opened on the top or bottom wall. And extending along the front and rear direction, the second notch is opened on the side wall and extends along the height direction. As for the conductive terminal described in item 3 of the scope of patent application, the aforementioned top wall, side wall and bottom wall are surrounded by a frame shape for the insertion of the butt terminal. The conductive terminal described in item 4 of the scope of patent application, wherein the sheet body portion has a first end surface protruding in the first notch and a second end surface protruding in the second notch, and the contact The contact portion extends from the first end surface to the other end of the side wall opposite to the first end surface. The conductive terminal described in item 4 of the scope of patent application, wherein the first notch is opened on the top wall. The conductive terminal described in claim 4, wherein the contact portion extends obliquely on the side wall, so that the top end of the contact portion is closer to the first and second notches in the front-to-rear direction than the bottom end. The junction of the Ministry. The conductive terminal described in item 4 of the scope of patent application, wherein the contact surfaces of the aforementioned pair of contact portions are arranged parallel to each other, and the front edge of each contact surface extends in a direction parallel to the aforementioned mating end surface, and the rear end of each contact surface The edge has a first end close to the first notch and a second end far away from the first notch. The distance from the first end to the abutting end surface is greater than the distance from the second end to the abutting end surface. As for the conductive terminal described in item 4 of the scope of patent application, the first notch is formed on the bottom wall, and the second notch is formed by extending upward from the rear end of the first notch. As for the conductive terminal described in item 4 of the scope of patent application, the first notch is provided on the bottom wall, and the mating section also has a first slot and a first slot and a second asymmetrical arrangement on the upper side of the pair of contact portions. Two slots, the pair of notches and the first and second slots respectively define the sheet body portion.

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