JP3195101U - Connector terminal assembly and connector assembly including the same - Google Patents

Abstract

A connector terminal assembly having a small size, a low resistance, and a high conductivity is provided. A connector terminal assembly includes a first connection terminal and a second connection terminal. The first connection terminal 10 includes an assembly part 11 to which the wire 70 is connected, two electrical connection elastic pieces 12 extending from the assembly part 11, and a connection groove 121 formed between the two electrical connection elastic pieces 12. including. The second connection terminal 20 includes a welded portion 21 to be coupled to the substrate, and an electrical connection piece 22 extending from the welded portion 21 and fitted in the connection groove 121 and electrically connected to the electrical connection elastic piece 12. . The width of the electrical connection elastic piece 12 is 0.4 to 0.7 mm. The width of the electrical connection piece 22 is 0.7 to 0.95 mm. [Selection] Figure 2

Description

  The present invention relates to a connector terminal assembly, and more particularly, to a connector terminal assembly having a small size, low resistance, and high conductivity.

  With the development of science and technology, electronic devices are required to be thin and light, and electronic devices have been gradually improved toward higher integration, smaller size, and thinner thickness. However, when electronic devices are downsized, not only does the problem arise in the layout of the electronic circuit, but it also becomes difficult to meet safety standards.

  The connector is used for bridging between interfaces and is indispensable for all electronic devices. However, in order to use it as a signal or power transmission interface, it has been necessary to clear the stricter rated power rating standards. In addition, if the connector occupies a large volume on the circuit board for the entire circuit board, the thickness of the circuit board increases, making it difficult to meet the needs for downsizing of electronic devices demanded in the present age. . For upstream manufacturers of connectors, miniaturization of connectors has become an important issue in research and development. However, when the connector is downsized, the resistance of the component increases due to the physical characteristics of the electronic component and the conductivity of the component decreases, and the rated current resistance of the component may also decrease. Such a connector not only fails to meet safety standards, but also has a difficulty in obtaining an ideal effect when actually applied.

  Therefore, an object of the present invention is to provide a connector terminal assembly that is small in size, low in resistance, and high in conductivity.

  In order to solve the above-described problem, according to a first aspect of the present invention, a connector terminal assembly including a first connection terminal and a second connection terminal, wherein the first connection terminal is a wire. A connected assembly part; two electrical connection elastic pieces extending from the assembly part; and a connection groove formed between the two electrical connection elastic pieces, wherein the second connection terminal includes a substrate, A welded portion to be joined, and an electrical connecting piece extending from the welded portion and fitted into the connecting groove and electrically connected to the electrical connecting elastic piece, and the width of the electrical connecting elastic piece is 0. A connector terminal assembly is provided that is 4 to 0.7 mm, and the width of the electrical connection piece is 0.7 to 0.95 mm.

  The interval between the connection grooves is preferably 0.10 to 0.18 mm, and the thickness of the electrical connection piece is preferably 0.18 to 0.22 mm.

  The first connection terminal and / or the second connection terminal are preferably made of phosphorous copper.

  The two electrical connection elastic pieces are preferably arranged in a V shape.

  It is preferable that the assembly portion includes a wire cover portion engaged with the skin of the wire, and an electric connection buckle engaged with the wire core of the wire.

  In order to solve the above-described problem, according to a second embodiment of the present invention, a connector assembly including a wire rod connection base and a needle holder, wherein the wire rod connection base includes a first insulating cover, the first cover, A plurality of wire grooves formed in one insulating cover, and a plurality of first connection terminals respectively disposed in the wire grooves, wherein the first connection terminal is an assembly in which the wire is connected Part, two electrical connection elastic pieces extending from the assembly part, and a connection groove formed between the two electrical connection elastic pieces, the needle holder includes a second insulating cover, A plurality of fixing grooves formed in the second insulating cover; and a plurality of second connecting terminals fixed to the fixing grooves, respectively, wherein the second connecting terminals are the second insulating cover. Projecting from the weld and connected to the substrate, and extending from the weld An electrical connection piece fitted in the connection groove and electrically connected to the electrical connection elastic piece, the electrical connection elastic piece having a width of 0.4 to 0.7 mm, and the electrical connection piece The connector assembly is characterized in that the width of the connector is 0.7 to 0.95 mm.

  The interval between the connection grooves is preferably 0.10 to 0.18 mm, and the thickness of the electrical connection piece is preferably 0.18 to 0.22 mm.

  The first connection terminal and / or the second connection terminal are preferably made of phosphorous copper.

  The two electrical connection elastic pieces are preferably arranged in a V shape.

  It is preferable that the assembly part includes a wire cover part engaged with a skin of the wire, and an electric connection buckle engaged with a wire core of the wire.

The connector terminal assembly of the present invention and the connector assembly including the same have the following effects (1) and (2).
(1) Since the widths of the electrical connection pieces and the electrical connection elastic pieces of the connector terminal assembly are optimally arranged, the connector terminal assembly is small in size, has low resistance, and has high conductivity and high current resistance.
(2) Since the electrical connection elastic piece of the connector terminal assembly is designed in a V shape, the contact area between the electrical connection elastic piece and the electrical connection piece increases, and the electrical conductivity of the connector terminal assembly can be increased. it can.

1 is a perspective view showing a connector assembly according to an embodiment of the present invention. 1 is an exploded perspective view showing a connector assembly according to an embodiment of the present invention. FIG. 3 is a simplified diagram illustrating coupling of a connector terminal assembly according to an embodiment of the present invention. FIG. 3 is a simplified diagram illustrating coupling of a connector terminal assembly according to an embodiment of the present invention. 1 is a perspective view showing a first embodiment of the present invention. It is a perspective view which shows 2nd Embodiment of this invention. It is a perspective view which shows 3rd Embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the present invention is not limited thereby.

  Please refer to FIG. 1 and FIG. FIG. 1 is a perspective view illustrating a connector assembly according to an embodiment of the present invention. FIG. 2 is an exploded perspective view illustrating a connector assembly according to an embodiment of the present invention. As shown in FIGS. 1 and 2, a connector assembly according to an embodiment of the present invention includes a wire connecting base 100 and a needle holder 200 that butt-connects to the wire connecting base 100. A wire rod 70 is connected to the wire rod connection base 100. The wire connecting base 100 includes a first insulating cover 101 and a plurality of first connecting terminals 10. The first insulating cover 101 is provided on both sides of a wire connecting portion 102 to which the wire 70 is butted and connected, a plug 103 installed on one side of the wire connecting portion 102, and the plug 103. First engaging portion 106. The wire connecting portion 102 includes a plurality of wire rod grooves 104 into which the first connection terminals 10 are respectively inserted. The plug 103 communicates with the wire rod groove 104 and is connected to the first connection terminals 10 in the wire rod groove 104. A plurality of corresponding attachment holes 105 are formed. The first connection terminal 10 includes an assembly part 11, two electrical connection elastic pieces 12 extending from the assembly part 11, and a connection groove 121 formed between the two electrical connection elastic pieces 12. ,including. A wire rod 70 is coupled to the assembly portion 11 and includes a wire rod cover portion 111 and an electric connection buckle 112. The wire cover portion 111 covers the surface 71 of the wire 70 and is used for fixing the wire 70. The electrical connection buckle 112 covers the wire core 72 of the wire rod 70 and is used to receive a carrier wave and a signal sent by the wire core 72.

  The needle holder 200 includes a second insulating cover 201 and a plurality of second connection terminals 20. The second insulating cover 201 includes an insertion tank 202 into which the plug 103 is inserted, a plurality of fixing grooves 203 formed on one side of the second insulating cover 201 in communication with the insertion tank 202, and a second And two grounding terminals 204 provided on both sides of the insulating cover 201 and two second engaging portions 206 provided on both sides of the second insulating cover 201, respectively. The second connection terminals 20 are respectively combined with the first connection terminals 10 (here, one set of connector terminals are combined), and include an engagement portion 23, a weld portion 21, and an electrical connection piece 22. The engaging portion 23, the welded portion 21, and the electrical connection piece 22 are integrally formed by one-piece metal press molding. The fixing groove 203 is formed on one side of the second insulating cover 201 so as to correspond to the plug 103. A lateral rib 205 for fitting the engaging portion 23 of the second connection terminal 20 is provided in the fixed groove 203 so that the second connection terminal 20 is positioned in the fixed groove 203. When the second connection terminal 20 is fixed to the fixing groove 203, the electric connection piece 22 is inserted into the fixing groove 203 and enters the inside of the insertion tank 202, and is equally spaced from each other (the interval between the electric connection pieces 22). ) Corresponds to the mounting hole 105. When the needle holder 200 and the wire rod connection base 100 are coupled, the electrical connection pieces 22 respectively correspond to the first connection terminals 10 and are fixed to the connection grooves 121 by the electrical connection elastic pieces 12 on both sides. It is electrically connected to the elastic piece 12. The welded portion 21 protrudes from the second insulating cover 201 and is connected to a circuit on a circuit board (not shown). In the vertical needle holder 200 (see FIG. 3) of the present embodiment, the welded portion 21 of the vertical needle holder 200 protrudes behind the second insulating cover 201 (lower side in FIG. 3). In the case of the horizontal needle holder 200, the welded portion 21 protrudes from under the second insulating cover 201 (right side in FIG. 3). When the first connection terminal 10 and the second connection terminal 20 are coupled, the carrier wave or power of the wire 70 is sent to the circuit board on which the second connection terminal 20 is provided through the connection of the terminals. When the second engagement portion 206 is engaged with the first engagement portion 106, the wire rod connection base 100 and the needle holder 200 are firmly coupled.

  Please refer to FIG. 3 and FIG. 3 and 4 are simplified views showing the coupling of the connector terminal assembly according to an embodiment of the present invention.

  As shown in FIG. 3, when the wire connecting base 100 and the needle holder 200 are coupled, the electrical connection piece 22 of the second connection terminal 20 is inserted into the connection groove 121 between the two electrical connection elastic pieces 12, The electrical connection elastic piece 12 is electrically connected. In order to reduce the resistance of the component, the first connection terminal 10 or the second connection terminal 20 is preferably made of phosphorous copper, but of course may be made of other materials. In general, the width of the electrical connection elastic piece 12 is generally smaller than the electrical connection piece 22 in consideration of the design restrictions and cost of the connector, and the contact area and adhesion between the two affect the electrical conductivity of the component. give. Hereinafter, for convenience of explanation, the width of the electrical connection piece 22 is H1, and the width of the electrical connection elastic piece 12 is H2. Table 1 below is data obtained from many experiments conducted by the present inventors (in this experimental data, phosphorous copper is used as a material for the electrical connection elastic piece 12 and the electrical connection piece 22). .

  As can be seen from the above experimental data, when the width H1 of the electrical connection piece 22 is 0.7 to 0.95 mm and the width H2 of the electrical connection elastic piece 12 is 0.4 to 0.7 mm, the connector assembly The resistance value of the connector terminal assembly was suppressed to 6.00 mΩ or less and the average value of the current resistance reached 1650 mA or more, and the electrical conductivity and current resistance of the connector terminal assembly within this range became favorable.

  In order to obtain a more preferable conductive effect, the electrical connection elastic piece 12 is recessed inward toward the other electrical connection elastic piece 12 so as to increase the contact area between the electrical connection elastic piece 12 and the electrical connection piece 22. , V-shaped. With this V-shaped design, when the electrical connection piece 22 was fitted between the electrical connection elastic pieces 12, the degree of adhesion between the electrical connection piece 22 and the electrical connection elastic piece 12 increased. According to many experiments conducted by the present inventors, the width W2 of the connection groove 121 (that is, the distance between the two electrical connection elastic pieces 12) is 0.10 to 0.18 mm, and the thickness W1 of the electrical connection piece 22 is. It has been found that the electrical conductivity of the connector terminal assembly is preferred when is 0.18 to 0.22 mm.

  Next, reference will be made to FIGS. FIG. 5 is a perspective view showing the first embodiment of the present invention. FIG. 6 is a perspective view showing a second embodiment of the present invention. FIG. 7 is a perspective view showing a third embodiment of the present invention. 5 to 7, the side corresponding to the insertion tank 202 is defined as the rear side of the needle holder 400, and the side where the horizontal needle holder 400 is coupled to the circuit board is defined as the lower side of the needle holder 400. . FIG. 5 discloses another combination of the vertical needle holder 400 and the wire connecting base 300. In the present embodiment, the first engaging portion 106 and the second engaging portion 206 are omitted, and the grounding terminals 404 are installed on both rear sides close to the fixing groove 403 of the needle holder 400. 6 and 7, a combination of the horizontal needle holders 500 and 600 and the wire connecting bases 100 and 300 is disclosed. The horizontal needle holder 500 in FIG. 6 has a second engagement portion 506 that is engaged with the first engagement portion 106 of the wire connecting base 100, and the vertical needle holder 600 in FIG. The first engaging portion 106 and the second engaging portion 506 are omitted. The ground terminals of the horizontal needle holders 500 and 600 shown in FIGS. 6 and 7 are installed on both sides of the needle holders 500 and 600 in the vicinity of the insertion tank 202 below.

  As can be seen from the above, the connector terminal assembly of the present invention and the connector assembly including the connector terminal assembly are small in size, low in resistance and low in electrical conductivity because the width of the electrical connection piece and the electrical connection elastic piece of the connector terminal assembly is optimal. In addition, since the electric connection elastic piece of the connector terminal assembly is arranged in a V shape, the contact area between the electric connection elastic piece and the electric connection piece is increased, and the connector terminal assembly Conductivity can be increased.

  The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but these are not intended to limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the utility model registration claim of the present invention should be broadly interpreted including such changes and modifications.

DESCRIPTION OF SYMBOLS 10 1st connection terminal 11 Assembly part 12 Electrical connection elastic piece 20 2nd connection terminal 21 Welding part 22 Electrical connection piece 23 Engagement part 70 Wire material 71 Skin 72 Wire core 100 Wire material connection base 101 1st insulation cover 102 Wire material Connection portion 103 Plug 104 Wire rod groove 105 Mounting hole 106 First engagement portion 111 Wire rod cover portion 112 Electrical connection buckle 121 Connection groove 200 Needle holder 201 Second insulating cover 202 Insertion tank 203 Fixing groove 204 Grounding terminal 205 Horizontal Rib 206 Second engagement portion 300 Wire connection base 400 Needle holder 403 Fixing groove 404 Ground terminal 500 Needle holder 506 Second engagement portion 600 Needle holder H1 Width of electrical connection piece H2 Width of electrical connection elastic piece W1 Thickness of the electrical connection piece W2 Spacing groove spacing

Claims (10)

A connector terminal assembly comprising a first connection terminal and a second connection terminal, comprising:
The first connection terminal includes an assembly part to which a wire is connected, two electrical connection elastic pieces extending from the assembly part, and a connection groove formed between the two electrical connection elastic pieces,
The second connection terminal includes a welded portion to be coupled to the substrate, and an electrical connection piece extending from the welded portion and fitted into the connection groove and electrically connected to the electrical connection elastic piece,
The electrical connection elastic piece has a width of 0.4 to 0.7 mm,
The connector terminal assembly is characterized in that a width of the electrical connection piece is 0.7 to 0.95 mm. The interval between the connection grooves is 0.10 to 0.18 mm,
The connector terminal assembly according to claim 1, wherein a thickness of the electrical connection piece is 0.18 to 0.22 mm.   The connector terminal assembly according to claim 1, wherein the first connection terminal and / or the second connection terminal is made of phosphorous copper. 2. The connector terminal assembly according to claim 1, wherein the two electrical connection elastic pieces are arranged in a V shape.   2. The connector terminal assembly according to claim 1, wherein the assembly portion includes a wire rod cover portion engaged with a skin of the wire rod, and an electric connection buckle engaged with a wire core of the wire rod. . A connector assembly comprising a wire connecting base and a needle holder,
The wire rod connection base includes a first insulating cover, a plurality of wire rod grooves formed in the first insulating cover, and a plurality of first connection terminals respectively disposed in the wire rod grooves. The first connection terminal includes an assembly part to which a wire is connected, two electrical connection elastic pieces extending from the assembly part, and a connection groove formed between the two electrical connection elastic pieces. ,
The needle holder includes a second insulating cover, a plurality of fixing grooves formed in the second insulating cover, and a plurality of second connection terminals respectively fixed to the fixing grooves, The second connection terminal protrudes from the second insulating cover and is connected to the substrate, extends from the weld and is fitted into the connection groove, and is electrically connected to the electrical connection elastic piece. An electrical connection piece to be connected,
The electrical connection elastic piece has a width of 0.4 to 0.7 mm,
The connector assembly according to claim 1, wherein a width of the electrical connection piece is 0.7 to 0.95 mm. The interval between the connection grooves is 0.10 to 0.18 mm,
The connector assembly according to claim 6, wherein a thickness of the electrical connection piece is 0.18 to 0.22 mm.   The connector assembly according to claim 6, wherein the first connection terminal and / or the second connection terminal is made of phosphorous copper. The connector assembly according to claim 6, wherein the two electrical connection elastic pieces are arranged in a V shape.   The connector assembly according to claim 6, wherein the assembly portion includes a wire rod cover portion engaged with a skin of the wire rod, and an electric connection buckle engaged with a wire core of the wire rod.

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