JP7590764B2 - Connection terminals - Google Patents

Description

The present invention relates to a connection terminal.

Patent document 1 proposes a technology for electrically connecting bus bars to each other by extending a plate-shaped connecting portion that protrudes outside the electrical wiring block to the bus bars arranged in adjacent electrical wiring blocks, and clamping these connecting portions in an overlapping state with a clip-shaped connecting member.
The electrical wiring block houses an electronic component and a bus bar. A male tab-type terminal connection portion of the bus bar is connected to one female terminal portion of the electronic component, and a male tab-type terminal fitting at the end of the electric wire is connected to the other female terminal portion of the electronic component.

JP 2020-10464 A

When connecting conductor plates and electric wires, not just bus bars, there is a demand for connection terminals that can achieve a simplified and slim structure.

(1) A connection terminal (1; 1P; 1Q; 1R; 1T; 1U; 1V; 1W) of the present disclosure comprises: a plate-shaped terminal body (4; 4U) having a first edge (81) and a second edge (82) opposing each other; a clip terminal portion (2) including a pair of cantilevered elastic pressing pieces (5; 5P) having a folded-back base end (51; 51P) connected to the first edge and a tip end (52; 52P) arranged on the second edge side relative to the base end, the pair of elastic pressing pieces elastically pressing a conductor plate (200; 200B) inserted between the pair of elastic pressing pieces and the terminal body from the second edge side against a surface (4a) of the terminal body; and a tab terminal portion (3; 3Q; 3T) extending from the terminal body on the same plane as or parallel to the terminal body. The tab terminal portion includes a first tab terminal portion (3) extending from between the base ends of the pair of elastic pressing pieces to the opposite side of the elastic pressing pieces. The clip terminal portion includes a bridge portion (6; 6R) connecting the tip ends of the pair of elastic pressing pieces, the bridge portion pressing the conductive plate against the terminal body, and an extension portion (63) extending from the bridge portion in a folded-back manner. The extension portion includes a restriction portion (63b) that restricts the amount of displacement of the pair of elastic pressing pieces by engaging with the rear surface of the terminal body.

In this configuration, the connection terminal includes a clip terminal portion having a plate-shaped terminal body and an elastic pressing piece, and a tab terminal portion extending from the terminal body, so that the structure can be simplified. Also, since the tab terminal portion extends on the same plane as or parallel to the terminal body, a thin structure can be realized .
In addition, since the tab terminal portion includes a first tab terminal portion (3) extending from between the base ends of the pair of elastic pressing pieces to the opposite side of the elastic pressing pieces, the connection terminal can be easily formed from sheet metal.
In addition, the clip terminal portion includes a bridging portion (6; 6R) that connects the tip portions of the pair of elastic pressing pieces and presses the conductor plate against the terminal body, so that the conductor plate can be pressed over a wide area to ensure contact between the terminal body and the conductor plate.
In addition, the clip terminal portion includes an extension portion (63) extending in a folded manner from the bridging portion, and the extension portion includes a regulating portion (63b) that regulates the amount of displacement of the pair of elastic pressing pieces by engaging with the back surface of the terminal body, thereby suppressing excessive deformation of the elastic pressing pieces.
In addition, alphanumeric characters in parentheses indicate corresponding components in the embodiments described below, but this does not, of course, mean that the present invention should be limited to those embodiments. The same applies hereinafter in this section.
( 2 ) The extension portion may include a guide portion (63 a) that engages with an edge portion (205) of the conductor plate to guide the insertion of the conductor plate. With this configuration, the conductor plate can be smoothly inserted into the clip terminal portion.
( 3 ) The tab terminal portion may include a second tab terminal portion (3Q) extending from a third edge (83) intersecting the first edge. This configuration can increase the freedom of design.
( 4 ) The surface (3Ta) of the tab terminal portion (3T) may be offset with respect to the surface (4a) of the terminal body. With this configuration, the height of the tab terminal portion with respect to the terminal body can be easily adjusted.
( 5 ) The clip terminal portion may include a guide protrusion (7; 11) protruding from the surface of the terminal body and engaging with an edge of the conductor plate to guide the insertion of the conductor plate. With this configuration, the conductor plate can be smoothly inserted into the clip terminal portion.
( 6 ) The clip terminal portion may include a locking protrusion (9) protruding from a surface of the terminal body, which locks with a locking recess (206) of the conductor plate inserted into the clip terminal portion to prevent the conductor plate from coming off. According to this configuration, the locking protrusion can prevent the conductor plate from coming off.

The present invention provides a connection terminal that achieves a simplified and thin structure.

FIG. 1A is an exploded perspective view of a connection structure to which a connection terminal according to a first embodiment of the present invention is applied. FIG. FIG. 1B is a perspective view of the connection structure in a connected state. FIG. 2A is a perspective view of the connection terminal from diagonally above. FIG. 2B is a perspective view of the connection terminal from diagonally below. FIG. 3A is a plan view of a connection terminal. FIG. 3B is a bottom view of the connection terminal. FIG. 4A is a front view of the connection terminal. FIG. 4B is a rear view of the connection terminal. FIG. 5 is a side view of the connection terminal. FIG. 6A is a side view of the connection terminal in a state immediately before a conductive plate is inserted into the clip terminal portion. FIG. 6B is a side view of the connection terminal in a state where the conductive plate is inserted and connected to the clip terminal portion. FIG. 7 is a cross-sectional view of a fitting portion between the tab terminal portion of the connection terminal and the mating terminal. FIG. 8 is a perspective view of a connection terminal according to the second embodiment into which a conductive plate is inserted and connected. FIG. 9 is a perspective view of a connection terminal according to the third embodiment into which a conductive plate is inserted and connected. FIG. 10A is a perspective view of a connection terminal according to a fourth embodiment into which a conductive plate is inserted and connected. FIG. 10B is a schematic cross-sectional view of the connection terminal according to the fourth embodiment into which a conductive plate is inserted and connected. FIG. 11 is a perspective view of a connection terminal according to the fifth embodiment into which a conductive plate is inserted and connected. FIG. 12 is a perspective view of a connection terminal according to a sixth embodiment in which a conductive plate is inserted and connected. FIG. 13 is a perspective view of a connection terminal according to the seventh embodiment into which a conductive plate is inserted and connected. FIG. 14 is a perspective view of a connection terminal according to an eighth embodiment into which a conductive plate is inserted and connected. FIG. 15 is a perspective view of another connection structure (application example) in which a bus bar is used as the conductive plate.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
First Embodiment
Fig. 1A is an exploded perspective view of a connection structure S1 to which a connection terminal 1 according to a first embodiment of the present invention is applied, and Fig. 1B is a perspective view of the connection structure S1 in a connected state.
1A and 1B, a connection terminal 1 is applied to a connection structure S1 that connects a crimp terminal 100 coupled to an end of an electric wire 10 and a conductor plate 200. The connection terminal 1 includes a clip terminal portion 2 to which the conductor plate 200 is connected, and a tab terminal portion 3 to which the crimp terminal 100 is connected.

The crimp terminal 100 includes an electric wire connection portion 101 to be connected to the electric wire 10, and a socket portion 102 into which the tab terminal portion 3 is inserted and fitted. The conductor plate 200 is, for example, a long rectangular copper plate, and includes a front surface 201 and a back surface 202. An insertion hole 204 through which a fixing element (not shown) is inserted is formed near a tip portion 203 of the conductor plate 200.
Fig. 2A is a perspective view of the connection terminal 1 from diagonally above, and Fig. 2B is a perspective view of the connection terminal 1 from diagonally below. Fig. 3A is a plan view of the connection terminal 1, and Fig. 3B is a bottom view of the connection terminal 1. Fig. 4A is a front view of the connection terminal 1, and Fig. 4B is a rear view of the connection terminal 1. Fig. 5 is a side view of the connection terminal 1.

2A to 5, the clip terminal portion 2 will be described. The clip terminal portion 2 includes a terminal body 4, a pair of elastic pressing pieces 5, a bridging portion 6, and two pairs of guide protrusions 7.
First, the terminal body 4 will be described.
The terminal body 4 is formed in a generally rectangular plate shape. The terminal body 4 includes a front portion 41, a rear portion 42, a pair of side portions 43, and an insertion hole 44. Each side portion 43 includes a front portion 43a and a rear portion 43b. The rear portion 43b is a protruding portion that protrudes outward further than the adjacent front portion 43a.

The terminal body 4 includes a front surface 4a, a back surface 4b, a front edge 81 (first edge) which is the edge of the front portion 41, a rear edge 82 (second edge) which is the edge of the rear portion, and a pair of side edges 83 (third edges) which are the edges of a pair of side portions 43.
The front edge 81 and the rear edge 82 face each other in the insertion direction X1 of the conductor plate 200. The front edge 81 is disposed on the insertion direction X1 side, and the rear edge 82 is disposed on the opposite side X2 of the insertion direction X1. The pair of side edges 83 are edges that intersect with the front edge 81. Each side edge 83 includes a front edge 83a which is an edge of the front portion 43a of the side portion 43, and a rear edge 83b which is an edge of the rear portion 43b of the side portion 43.

A pair of front and rear guide protrusions 7 protruding from the front surface 4a of the terminal body 4 are formed on the rear portion 43b (projection) of each side portion 43. Each guide protrusion 7 is formed, for example, by extrusion from the back surface 4b side and is composed of a plurality of burr-like protrusions arranged in a ring shape around the hole 7a.
The guide protrusions 7 serve to guide the insertion of the conductor plate 200 by engaging with the edges 205 (see FIGS. 1A and 1B) on both sides of the conductor plate 200 when the conductor plate 200 is inserted into the clip terminal portion 2 .

In addition, a through hole 44 is formed in the approximate center of the terminal body 4, through which a fixing element (not shown, such as a fixing screw or rivet) is inserted to fix the terminal body 4 together with the conductor plate 200 to an attachment portion (not shown). With the conductor plate 200 inserted into the clip terminal portion 2, the through hole 204 of the conductor plate 200 and the through hole 44 of the terminal body 4 are aligned with each other (see FIG. 1B), and a fixing element (not shown) is inserted into these aligned through holes 204, 44.

Next, the elastic pressing piece 5 will be described.
As shown in Fig. 2A, the pair of elastic pressing pieces 5 include a base end 51 and a tip end 52, and are supported in a cantilever manner by the terminal body 4. The base end 51 is connected to the front end edge 81 (first end edge) and is formed in a folded-back shape from the terminal body 4. The tip end 52 is disposed on the rear end edge 82 side relative to the base end 51. As shown in Fig. 5, the tip end 52 of the elastic pressing piece 5 is inclined so as to approach the surface of the terminal body 4 toward the opposite side X2 of the insertion direction X1.

2A and 3A, the base ends 51 of the pair of elastic pressing pieces 5 are spaced apart by a predetermined distance. The bridge portion 6 is formed in a rectangular plate shape connecting the tip ends 52 of the pair of elastic pressing pieces 5. The bridge portion 6 includes a pressing portion 61 and a guide portion 62.
The pressing portion 61 is connected to the tip portions 52 of the pair of elastic pressing pieces 5. As shown in Fig. 5, the pressing portion 61 is a rectangular plate parallel to the surface 4a of the terminal body 4, and includes a flat pressing surface 61a having a large area facing the surface 4a of the terminal body 4.

As shown in FIG. 6A, when the conductor plate 200 is not inserted, the amount of the gap between the pressing surface 61a and the surface 4a of the terminal body 4 is made smaller than the thickness of the conductor plate 200. Therefore, as shown in FIG. 6B, the elastic pressing piece 5, which is elastically deformed when the conductor plate 200 is inserted, presses the conductor plate 200 toward the surface 4a of the terminal body 4 through the pressing portion 61 of the bridging portion 6 by its elastic repulsive force.

The guide portion 62 is a rectangular plate connected to the opposite side of the elastic pressing piece 5 with respect to the pressing portion 61. The guide portion 62 is an inclined portion that moves away from the surface 4a of the terminal body 4 toward the opposite side X2 of the insertion direction X1. The guide portion 62 engages with the surface 201 of the conductor plate 200 to guide the insertion of the conductor plate 200 into the clip terminal portion 2.
As shown in Figures 6A and 6B, the conductor plate 200 inserted between the pressing portion 6b of the bridging portion 6 and the surface 4a of the terminal body 4 from the rear edge 82 (second edge) side is elastically pressed against the surface 4a of the terminal body 4 by the pressing surface 61a of the pressing portion 61 of the bridging portion 6.

Next, the tab terminal portion 3 will be described.
2A and 2B , the tab terminal portion 3 is provided to extend on the same plane from the front end edge 81 of the terminal body 4 to the front side (insertion direction X1). The tab terminal portion 3 is in the form of a long, thin plate, and includes a base end portion 31, a tip end portion 32, a front surface 3a, and a back surface 3b.
A base end 31 of the tab terminal portion 3 is connected to a front end edge 81 of the terminal body 4. The tab terminal portion 3 extends from between base ends 51 of a pair of elastic pressing pieces 5 to the opposite side of the elastic pressing pieces 5. A surface 3a of the tab terminal portion 3 is flush with a surface 4a of the terminal body 4, and a back surface 3b of the tab terminal portion 3 is flush with a back surface 4b of the terminal body 4. As shown in Figures 1A and 1B and the cross-sectional view of Figure 7, the tab terminal portion 3 is inserted and fitted into a socket portion 102 of a crimp terminal 100 at the end of an electric wire 10.

2A and 2B, the connection terminal 1 can have a simplified structure because it integrally includes the clip terminal portion 2 having the plate-shaped terminal body 4 and the elastic pressing piece 5, and the tab terminal portion 3 extending from the terminal body 4. In addition, the tab terminal portion 3 extends on the same plane as the terminal body 4, so that a thinner shape can be achieved.
2A, the tab terminal portion 3 extends from between the base ends 51 of the pair of elastic pressing pieces 5 to the opposite side of the elastic pressing pieces 5. Therefore, the connection terminal 1 can be easily formed from sheet metal.

2A and 6B , the pair of elastic pressing pieces 5 press the conductor plate 200 against the terminal body 4 by the bridge portion 6 connecting the tip portions 52 of the pair of elastic pressing pieces 5. Therefore, the conductor plate 200 can be pressed over a wide area, and the contact between the terminal body 4 and the conductor plate 200 can be ensured.
1A and 1B, the guide protrusion 7 protruding from the surface 4a of the terminal body 4 engages with the edge 205 of the conductor plate 200 to guide the insertion of the conductor plate 200. Therefore, the conductor plate 200 can be smoothly inserted into the clip terminal portion 2.
Second Embodiment
Fig. 8 is a perspective view of a connection terminal 1P according to the second embodiment into which a conductive plate 200 is inserted and connected. The main difference between the connection terminal 1P according to the second embodiment in Fig. 8 and the connection terminal 1 according to the first embodiment is that in the connection terminal 1P according to the second embodiment, the tip portions 52P of a pair of elastic pressing pieces 5P are separated from each other.

Specifically, each elastic pressing piece 5P includes a base end 51P, a tip end 52P, and a pressing portion 53P arranged adjacent to the tip end 52P. The pressing portion 53P is a rectangular portion arranged parallel to the surface of the terminal body 4, and presses the conductive plate 200 against the surface 4a of the terminal body 4. The tip end 52P also functions as an inclined guide portion that moves away from the surface 4a of the terminal body 4 toward the opposite side X2 of the insertion direction X1.

In the configuration of the second embodiment shown in Fig. 8, the same reference numerals are used to designate the same components as those in the first embodiment. In this embodiment, the structure can be simplified.
Third Embodiment
Fig. 9 is a perspective view of a connection terminal 1Q according to the third embodiment in which a conductive plate 200 is inserted and connected. The connection terminal 1Q of the third embodiment in Fig. 9 is mainly different from the connection terminal 1 of the first embodiment in that the connection terminal 1Q of the third embodiment includes a tab terminal portion 3 as a first tab terminal portion and a second tab terminal portion 3Q as a tab terminal portion. The second tab terminal portion 3Q is provided, for example, on the same plane and extending outward from a side edge 83 (a rear edge 83b of a rear portion 43b) of one (or both) side portions 43 of the terminal body 4.

In the configuration of the third embodiment shown in Fig. 9, the same reference numerals are used to design components that are the same as those in the first embodiment. In this embodiment, the degree of freedom in design can be increased.
Fourth Embodiment
Fig. 10A is a perspective view of a connection terminal 1R according to the fourth embodiment in which a conductive plate 200 is inserted and connected. Fig. 10B is a schematic cross-sectional view of a main part of the connection terminal 1R. The connection terminal 1R of the fourth embodiment in Figs. 10A and 10B is mainly different from the connection terminal 1 of the first embodiment in that in the connection terminal 1R of the fourth embodiment, a bridge portion 6R connecting the tip portions 52 of a pair of elastic pressing pieces 5 includes a pressing portion 61, a guide portion 62, and a pair of extension portions 63.

The guide portion 62 guides the front surface 201 of the conductive plate 200. The guide portion 62 includes a pair of protruding ends 62a protruding outward from both sides of the pressing portion 61.
Each extension portion 63 includes a guide portion 63a extending in a curved manner from the end portion X2 opposite the insertion direction X1 of the corresponding tip 62a of the guide portion 62 toward the terminal body 4, and a regulating portion 63b extending in a curved manner from the extended end of the guide portion 63a toward the insertion direction X1 (in Figure 10A, only the regulating portion 63b of one of the extension portions 63 is shown).

Each guide portion 63a engages with a corresponding edge portion 205 of the conductor plate 200 to guide the insertion of the conductor plate 200. Each restriction portion 63b restricts the amount of displacement of the elastic pressing piece 5 by engaging with the back surface 4b of the terminal body 4 (specifically, the back surface of the rear portion 43b of the side portion 43).
10A and 10B, the same reference numerals are used for the components common to the first embodiment. In this embodiment, the restricting portion 63b can suppress excessive deformation of the elastic pressing piece 5.
Fifth Embodiment
11 is a perspective view of a connection terminal 1T according to the fifth embodiment in which a conductive plate 200 is inserted and connected. The connection terminal 1T according to the fifth embodiment is mainly different from the connection terminal 1 according to the first embodiment in that, in the connection terminal 1T according to the fifth embodiment, a tab terminal portion 3T including a base end portion 31T and a tip end portion 32T is extended in parallel to a terminal body 4.

Specifically, the base end 31T of the tab terminal portion 3T is bent into a crank shape and connected to the terminal body 4, so that the surface 3Ta of the tab terminal portion 3T is offset so as to be higher than the surface 4a of the terminal body 4.
11, components common to the first embodiment are denoted by the same reference symbols. In this embodiment, the height of the tab terminal portion 3 can be easily adjusted with respect to the terminal body 4. Although not shown, the surface 3Ta of the tab terminal portion 3T may be offset so as to be lower than the surface 4a of the terminal body 4.
Sixth Embodiment
Fig. 12 is a perspective view of a connection terminal 1U according to the sixth embodiment in which a conductive plate 200 is inserted and connected. The main difference between the connection terminal 1U of the sixth embodiment in Fig. 12 and the connection terminal 1 of the first embodiment is that in the connection terminal 1U of the sixth embodiment, the width (the width between the rear end edges 83b) of the terminal body 4U is substantially the same as the width of the conductive plate 200, and the guide protrusion 7 in the first embodiment is eliminated.

In the configuration of the sixth embodiment in Fig. 12, the same reference numerals are used for the configurations common to the first embodiment. In this embodiment, it is possible to achieve further simplification and miniaturization of the structure.
Seventh Embodiment
Fig. 13 is a perspective view of a connection terminal 1V according to the seventh embodiment into which a conductive plate 200 is inserted and connected. The connection terminal 1V of the seventh embodiment in Fig. 13 differs from the connection terminal 1 of the first embodiment mainly in that the connection terminal 1V of the seventh embodiment is provided with a pair of locking protrusions 9 protruding from the surface 4a of the terminal body 4. The locking protrusions 9 are disposed on rear portions 43b of each side portion 43 of the terminal body 4.

The locking protrusion 9 is a mountain-shaped protrusion formed in a right-angled triangular shape when viewed from the side, and includes a guide portion 9a and a locking portion 9b. The guide portion 9a is an inclined surface that slopes away from the surface 4a of the terminal body 4 in the insertion direction X1. The locking portion 9b is a surface that is disposed perpendicular to the surface 4a of the terminal body 4, and is disposed on the insertion direction X1 side of the guide portion 9a.
When the conductor plate 200 is inserted into the clip terminal portion 2, after the tip portion 203 of the conductor plate 200 climbs over the guide portion 9a, the locking protrusion 9 fits into a notched locking recess 206 formed in the side portion of the conductor plate 200, and the locking portion 9b engages with an edge portion 206a of the locking recess 206, thereby preventing the conductor plate 200 from slipping out of the clip terminal portion 2. The locking protrusion 9 may be formed of a cut-out piece supported at one end by the edge portion of an opening formed in the terminal body 4. The locking protrusion 9 may also be formed of an embossed portion.

13, the same reference numerals are used for the components common to the first embodiment. In this embodiment, the retaining projection 9 can prevent the conductive plate 200 from coming off.
Eighth embodiment
Fig. 14 is a perspective view of a connection terminal 1W according to the eighth embodiment in which a conductor plate 200 is inserted and connected. The connection terminal 1W of the eighth embodiment in Fig. 14 is mainly different from the connection terminal 1 of the first embodiment in that the connection terminal 1V of the eighth embodiment uses guide protrusions 11 having the same shape as the locking protrusions 9 in Fig. 13 as guide protrusions that engage with the edges 205 on both sides of the conductor plate 200 to guide the insertion of the conductor plate 200 into the clip terminal portion 2.

The guide protrusion 11 may be formed of a cut-and-raised piece that is cantilevered on the edge of an opening formed in the terminal body 4. The guide protrusion 11 may also be formed of an embossed portion.
14, components common to the first embodiment are denoted by the same reference numerals. In this embodiment, the conductor plate 200 can be smoothly inserted into the clip terminal portion 2 by the guidance of the guide protrusion 11.
(Application example)
Fig. 15 shows an application example (corresponding to another connection structure S2) in which a plurality of connection terminals 1 of the first embodiment in Fig. 1B are provided and these plurality of connection terminals 1 are connected via a bus bar 200B serving as a conductor plate. In Fig. 15, a pair of connection terminals 1 are connected to each other, but the shape of the bus bar may be changed so that three or more connection terminals 1 are bus bar connected. Any of the connection terminals of the first to eighth embodiments may be used as the connection terminals connected via the bus bar.

The present invention is not limited to the above embodiment. For example, only the second tab terminal portion 3Q (see FIG. 9) may be provided as the tab terminal portion. In addition, the present invention can be modified in various ways within the scope of the claims.

1 Connection terminal 1P Connection terminal 1Q Connection terminal 1R Connection terminal 1T Connection terminal 1U Connection terminal 1V Connection terminal 1W Connection terminal 2 Clip terminal portion 3 (first) tab terminal portion 3Q Second tab terminal portion 3T Tab terminal portion 3a Surface 3Ta Surface 4 Terminal body 4U Terminal body 4a Surface 5 Elastic pressing piece 5P Elastic pressing piece 6 Bridge portion 6R Bridge portion 7 Guide convex portion 9 Locking convex portion 10 Electric wire 11 Guide convex portion 51 Base end portion 51P Base end portion 52 Tip portion 52P Tip portion 53P Pressing portion 61 Pressing portion 63 Extension portion 63a Guide portion 63b Restricting portion 81 Front end edge (first end edge)
82 Rear edge (second edge)
83 Side edge (third edge)
100 Crimp terminal 101 Wire connection portion 102 Socket portion 200 Conductive plate 200B Bus bar (conductive plate)
203 Tip portion 205 Edge portion 206 Locking recess S1 Connection structure S2 Connection structure X1 Insertion direction

Claims (6)

a clip terminal portion including a plate-shaped terminal body having a first edge and a second edge opposed to each other, and a pair of cantilevered elastic pressing pieces having a folded base end connected to the first edge and a tip end disposed on the second edge side relative to the base end, the pair of elastic pressing pieces elastically pressing a conductor plate inserted between the pair of elastic pressing pieces and the terminal body from the second edge side against a surface of the terminal body;
A tab terminal portion extending from the terminal body on the same plane as or parallel to the terminal body ,
the tab terminal portion includes a first tab terminal portion extending from between the base ends of the pair of elastic pressing pieces to an opposite side of the elastic pressing pieces,
the clip terminal portion includes a bridge portion connecting the tip portions of the pair of elastic pressing pieces, the bridge portion pressing the conductive plate against the terminal body, and an extension portion extending from the bridge portion in a folded-back manner;
The extension portion includes a restricting portion that restricts the amount of displacement of the pair of elastic pressing pieces by engaging with a rear surface of the terminal body . The connection terminal according to claim 1 , wherein the extension portion includes a guide portion that engages with an edge of the conductive plate to guide insertion of the conductive plate. The connection terminal according to claim 1 , wherein the tab terminal portion includes a second tab terminal portion extending from a third edge intersecting the first edge. The connection terminal according to claim 1 , wherein a surface of the tab terminal portion is offset with respect to the surface of the terminal body. The connection terminal according to any one of claims 1 to 4, wherein the clip terminal portion includes a guide protrusion protruding from the surface of the terminal body, the guide protrusion engaging with an edge of the conductive plate to guide insertion of the conductive plate . The connection terminal according to any one of claims 1 to 5, wherein the clip terminal portion includes a locking protrusion protruding from a surface of the terminal body, which locks into a locking recess of the conductor plate inserted into the clip terminal portion to prevent the conductor plate from coming loose.

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