Terminal, electric connection assembly, connector and connector assembly

Abstract

The invention discloses a terminal, an electric connection assembly, a connector and a connector assembly. The terminal includes: a plate-shaped terminal body having a front end and a rear end opposite to each other in a length direction thereof; and the contact piece is in a U-shaped clamp shape and is sleeved and clamped on the front end of the terminal body. The contact includes: an upper elastic portion supported on a top surface of a front end of the terminal body; a lower elastic part supported on the bottom surface of the front end of the terminal body; and a connection portion connected between one end of the upper elastic portion and one end of the lower elastic portion and fixed to the terminal body. When the front end of the terminal is inserted between the top plate and the bottom plate of a matching terminal, the upper elastic part and the lower elastic part are respectively in electrical contact with the top plate and the bottom plate of the matching terminal so as to electrically connect the terminal and the matching terminal. According to the invention, the contact element can be conveniently mounted on the front end of the terminal body, so that the production efficiency is improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The invention relates to a terminal, an electrical connection assembly including the terminal, a connector including the terminal and a connector assembly including the connector. Background Art

[0002] In the prior art, the terminal of the high-voltage connector generally includes a terminal body and a pair of elastic contacts. The terminal body includes a top plate and a bottom plate spaced opposite to each other in the thickness direction thereof, and a pair of elastic contacts are respectively fixed to the inner sides of the top plate and the bottom plate of the terminal body, for simultaneously making electrical contact with both sides of the inserted mating terminal. However, in the prior art, it is very time-consuming and labor-intensive to install a pair of elastic contacts on the top plate and the bottom plate of the terminal body, which is costly and inefficient. In addition, in the prior art, the terminal can generally only be mated with the mating terminal along its length direction, and does not support mating at a variety of different angles. In addition, in the prior art, the terminal body also has a welding portion adjacent to the top plate and the bottom plate, which can be ultrasonically welded to a cable or a busbar. Since a pair of elastic contacts are adjacent to the welding portion, ultrasonic welding may cause partial cracking of the elastic contacts, resulting in quality risks. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a terminal is provided. The terminal comprises: a terminal body, which is plate-shaped and has a front end and a rear end opposite to each other in the length direction thereof; and a contact piece, which is in the shape of a U-shaped clip and is fitted and clamped onto the front end of the terminal body. The contact piece comprises: an upper elastic portion, which is supported on the top surface of the front end of the terminal body; a lower elastic portion, which is supported on the bottom surface of the front end of the terminal body; and a connecting portion, which is connected between one end of the upper elastic portion and the lower elastic portion and is fixed to the terminal body. When the front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, the upper elastic portion and the lower elastic portion are electrically contacted with the top plate and the bottom plate of the mating terminal, respectively, to electrically connect the terminal and the mating terminal.

[0005] According to an exemplary embodiment of the present invention, the contact piece is an integral stamped and formed piece.

[0006] According to another exemplary embodiment of the present invention, the connection portion of the contact piece is welded, crimped or riveted to the terminal body.

[0007] According to another exemplary embodiment of the present invention, a plurality of grooves are formed on the front end surface of the terminal body, and the plurality of grooves are spaced apart in the width direction of the terminal body; the connecting portion of the contact piece includes a plurality of strip-shaped portions, and the plurality of strip-shaped portions are respectively positioned and fixed in the plurality of grooves of the terminal body.

[0008] According to another exemplary embodiment of the present invention, the strip-shaped portion of the contact piece is welded, crimped or riveted into the groove of the terminal body.

[0009] According to another exemplary embodiment of the present invention, the strip-shaped portion of the contact piece is riveted into the groove of the terminal body, and a portion of the side wall of the groove is extended and abuts against the strip-shaped portion of the contact piece during the riveting process, so that the strip-shaped portion of the contact piece is fixed in the groove of the terminal body.

[0010] According to another exemplary embodiment of the present invention, the upper elastic portion includes: a first front side portion, which is in the shape of a strip and extends along the width direction of the terminal body; a first rear side portion, which is in the shape of a strip and extends along the width direction of the terminal body; and a plurality of upper elastic arms connected between the first front side portion and the first rear side portion, and the plurality of upper elastic arms are arranged in a row in the width direction of the terminal body for simultaneously making electrical contact with the top plate of the mating terminal.

[0011] According to another exemplary embodiment of the present invention, the lower elastic portion includes: a second front side portion, which is strip-shaped and extends along the width direction of the terminal body; a second rear side portion, which is strip-shaped and extends along the width direction of the terminal body; and a plurality of lower elastic arms connected between the second front side portion and the second rear side portion, and the plurality of lower elastic arms are arranged in a row in the width direction of the terminal body for simultaneously making electrical contact with the bottom plate of the mating terminal.

[0012] According to another exemplary embodiment of the present invention, the upper elastic arm has one or more raised electrical contacts, and the electrical contacts on the multiple upper elastic arms are used to simultaneously make electrical contact with the inner side of the top plate of the mating terminal; and / or the lower elastic arm has one or more raised electrical contacts, and the electrical contacts on the multiple lower elastic arms are used to simultaneously make electrical contact with the inner side of the bottom plate of the mating terminal.

[0013] According to another exemplary embodiment of the present invention, the connecting portion of the contact piece is connected between the first front side portion and the second front side portion, and the first rear side portion and the second rear side portion are spaced relative to each other in the thickness direction of the terminal body; the spacing between the first rear side portion and the second rear side portion is slightly smaller than the thickness of the terminal body, so that the terminal body can be clamped between the first rear side portion and the second rear side portion.

[0014] According to another exemplary embodiment of the present invention, the first rear side edge portion is slidably supported on the top surface of the terminal body so as to be able to slide back and forth on the top surface of the terminal body when the upper elastic arm is elastically deformed; the second rear side edge portion is slidably supported on the bottom surface of the terminal body so as to be able to slide back and forth on the bottom surface of the terminal body when the lower elastic arm is elastically deformed.

[0015] According to another exemplary embodiment of the present invention, a plurality of upper support protrusions are formed on the top surface of the front end of the terminal body, and the plurality of upper support protrusions are spaced apart around the upper elastic portion for supporting the top plate of the mating terminal to prevent the upper elastic arm from being excessively squeezed by the top plate of the mating terminal.

[0016] According to another exemplary embodiment of the present invention, a plurality of lower supporting protrusions are formed on the bottom surface of the front end of the terminal body, and the plurality of lower supporting protrusions are spaced apart around the lower elastic portion for supporting the bottom plate of the mating terminal to prevent the lower elastic arm from being excessively squeezed by the bottom plate of the mating terminal.

[0017] According to another exemplary embodiment of the present invention, a trumpet-shaped insertion opening flared outward is defined between the first rear side portion and the second rear side portion, and the front end of the terminal body is inserted between the upper elastic portion and the lower elastic portion through the trumpet-shaped insertion opening.

[0018] According to another exemplary embodiment of the present invention, the upper elastic portion includes: an upper plate portion, formed with an upper circular window; a plurality of upper elastic arms, connected to the edge of the upper circular window and spaced apart in the circumferential direction of the upper circular window, the plurality of upper elastic arms extending obliquely upward toward the central axis of the upper circular window, for simultaneously making electrical contact with the inner side of the top plate of the mating terminal.

[0019] According to another exemplary embodiment of the present invention, the lower elastic portion includes: a lower plate portion, which is formed with a lower circular window; a plurality of lower elastic arms, which are connected to the edge of the lower circular window and are spaced apart in the circumferential direction of the lower circular window, and the plurality of lower elastic arms extend obliquely downward toward the central axis of the lower circular window, for simultaneously making electrical contact with the inner side of the bottom plate of the mating terminal.

[0020] According to another exemplary embodiment of the present invention, the upper elastic arm is in the shape of a triangle that gradually narrows from its root to its end, the root of the upper elastic arm is connected to the edge of the upper circular window, and the end of the upper elastic arm is used to electrically contact the inner side of the top plate of the mating terminal; and / or the lower elastic arm is in the shape of a triangle that gradually narrows from its root to its end, the root of the lower elastic arm is connected to the edge of the lower circular window, and the end of the lower elastic arm is used to electrically contact the inner side of the bottom plate of the mating terminal.

[0021] According to another exemplary embodiment of the present invention, the connecting portion of the contact piece is connected between the front side edges of the upper plate portion and the lower plate portion, and the rear side edges of the upper plate portion and the lower plate portion are spaced opposite to each other in the thickness direction of the terminal body; the spacing between the rear side edges of the upper plate portion and the lower plate portion is slightly smaller than the thickness of the terminal body, so that the terminal body can be clamped between the rear side edges of the upper plate portion and the lower plate portion.

[0022] According to another exemplary embodiment of the present invention, a trumpet-shaped insertion opening flared outward is defined between the rear sides of the upper plate portion and the lower plate portion, and the front end of the terminal body is inserted between the upper elastic portion and the lower elastic portion through the trumpet-shaped insertion opening.

[0023] According to another exemplary embodiment of the present invention, a plurality of upper support protrusions are formed on the top surface of the front end of the terminal body, and the plurality of upper support protrusions are spaced apart around the upper elastic portion for supporting the top plate of the mating terminal to prevent the upper elastic arm from being excessively squeezed by the top plate of the mating terminal.

[0024] According to another exemplary embodiment of the present invention, a plurality of lower supporting protrusions are formed on the bottom surface of the front end of the terminal body, and the plurality of lower supporting protrusions are spaced apart around the lower elastic portion for supporting the bottom plate of the mating terminal to prevent the lower elastic arm from being excessively squeezed by the bottom plate of the mating terminal.

[0025] According to another exemplary embodiment of the present invention, the upper plate portion and the lower plate portion of the contact are riveted, crimped, welded or screwed to the top surface and the bottom surface of the front end of the terminal body, respectively.

[0026] According to another exemplary embodiment of the present invention, riveting columns are respectively formed on the top surface and the bottom surface of the front end of the terminal body, and riveting holes are respectively formed on the upper plate portion and the lower plate portion of the contact piece; the riveting columns on the top surface of the terminal body pass through the riveting holes on the upper plate portion and are riveted to the upper plate portion to fix the upper plate portion to the top surface of the terminal body; the riveting columns on the bottom surface of the terminal body pass through the riveting holes on the lower plate portion and are riveted to the lower plate portion to fix the lower plate portion to the bottom surface of the terminal body.

[0027] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly comprises: the aforementioned terminal; and a mating terminal, comprising a top plate and a bottom plate spaced opposite to each other in the thickness direction of the terminal body of the terminal. The front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, and the upper elastic portion and the lower elastic portion of the terminal are electrically contacted with the top plate and the bottom plate of the mating terminal respectively at the same time, so as to electrically connect the terminal and the mating terminal.

[0028] According to an exemplary embodiment of the present invention, the top plate and the bottom plate of the mating terminal are located at the rear of the mating terminal, and the mating terminal also includes a welding portion located at the front thereof and connected to the top plate and the bottom plate; the rear end of the terminal body of the terminal is used to be welded to the first conductive member, and the welding portion of the mating terminal is used to be welded to the second conductive member.

[0029] According to another exemplary embodiment of the present invention, the welding portion of the mating terminal includes an upper plate and a lower plate stacked together, the upper plate and the lower plate are respectively connected to the rear ends of the top plate and the bottom plate, and one side of the upper plate and the lower plate are connected to each other.

[0030] According to another exemplary embodiment of the present invention, the welding portion of the mating terminal includes an upper plate and a lower plate stacked together, the upper plate and the lower plate are respectively connected to the rear ends of the top plate and the bottom plate, and the upper plate and the lower plate are welded, riveted or crimped together.

[0031] According to another exemplary embodiment of the present invention, the top plate is higher than the upper plate, and the mating terminal further includes an upper bending portion connected between the rear end of the top plate and the front end of the upper plate; and / or the bottom plate is lower than the lower plate, and the mating terminal further includes a lower bending portion connected between the rear end of the bottom plate and the front end of the lower plate.

[0032] According to another exemplary embodiment of the present invention, the top plate is higher than the upper plate, the bottom plate is flush with the lower plate, and the mating terminal further includes an upper bending portion connected between the rear end of the top plate and the front end of the upper plate; or the top plate is flush with the upper plate, the bottom plate is lower than the lower plate, and the mating terminal further includes a lower bending portion connected between the rear end of the bottom plate and the front end of the lower plate.

[0033] According to another exemplary embodiment of the present invention, the top plate and the bottom plate of the mating terminal are located at the rear of the mating terminal, and the mating terminal also includes a welding portion located at the front of the mating terminal and connected to the bottom plate; the mating terminal also includes a side plate connected between one side of the top plate and the bottom plate, so that the front end of the terminal can be inserted between the top plate and the bottom plate of the mating terminal along the length direction or the width direction of the mating terminal.

[0034] According to another exemplary embodiment of the present invention, the mating terminal has a front portion and a rear portion relative to each other in the length direction thereof, and the top plate and the bottom plate of the mating terminal are located at the rear portion thereof; the front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal along the length direction or the width direction of the mating terminal.

[0035] According to another aspect of the present invention, a connector is provided, comprising: a housing; and the aforementioned terminal installed in the housing.

[0036] According to another aspect of the present invention, a connector assembly is provided. The connector assembly comprises: the aforementioned connector and a mating connector. The mating connector comprises: a mating housing, mating with the housing of the connector; and a mating terminal, installed in the mating housing. The mating terminal comprises a top plate and a bottom plate spaced opposite to each other, the front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, and the upper elastic portion and the lower elastic portion of the terminal are in electrical contact with the top plate and the bottom plate of the mating terminal, respectively, so as to electrically connect the terminal and the mating terminal.

[0037] In the aforementioned various exemplary embodiments according to the present invention, the contact piece can be conveniently mounted on the front end of the terminal body, thereby improving production efficiency and reducing manufacturing costs.

[0038] Furthermore, in some of the aforementioned exemplary embodiments of the present invention, the terminal can be matched with a matching terminal along its length direction or width direction, thereby expanding the scope of application.

[0039] In addition, in some of the aforementioned exemplary embodiments of the present invention, the contact piece is located on the front end of the terminal body, far away from the rear end of the terminal body. Therefore, when the rear end of the terminal body is welded to a cable or a bus bar, the contact piece located at its front end will not be affected, thereby improving the quality of the terminal.

[0040] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 An exploded schematic diagram showing a terminal according to an exemplary first embodiment of the present invention; Figure 2 A perspective schematic diagram showing a contact piece of a terminal according to an exemplary first embodiment of the present invention; Figure 3 A perspective schematic diagram showing a terminal according to an exemplary first embodiment of the present invention; Figure 4 A perspective schematic diagram showing a terminal according to another exemplary first embodiment of the present invention; Figure 5 An exploded schematic diagram showing a terminal and a mating terminal according to an exemplary first embodiment of the present invention; Figure 6 A schematic diagram showing an assembly of a terminal and a mating terminal according to an exemplary first embodiment of the present invention; Figure 7 An exploded schematic diagram showing a terminal and a mating terminal according to another exemplary first embodiment of the present invention; Figure 8 A schematic diagram showing an assembly of a terminal and a mating terminal according to another exemplary first embodiment of the present invention; Fig. 9 An exploded schematic diagram showing a terminal and a mating terminal according to another exemplary first embodiment of the present invention; Fig.10 A schematic diagram showing an assembly of a terminal and a mating terminal according to another exemplary first embodiment of the present invention; Fig.11 An exploded schematic diagram showing a terminal according to an exemplary second embodiment of the present invention; Fig.12 A perspective schematic diagram showing a contact piece of a terminal according to an exemplary second embodiment of the present invention; Fig.13 A perspective schematic diagram showing a terminal according to an exemplary second embodiment of the present invention; Fig.14 A perspective schematic diagram showing a terminal according to another exemplary second embodiment of the present invention; Fig.15 An exploded schematic diagram showing a terminal and a mating terminal according to an exemplary second embodiment of the present invention; Fig.16 A schematic diagram showing an assembly of a terminal and a mating terminal according to an exemplary second embodiment of the present invention; Fig.17 An exploded schematic diagram showing a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig.18 A schematic diagram showing an assembly of a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig.19 An exploded schematic diagram showing a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig. 20 A schematic diagram showing an assembly of a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig.21 An exploded schematic diagram showing a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig. 22 A schematic diagram showing an assembly of a terminal and a mating terminal according to another exemplary second embodiment of the present invention; Fig.23 A schematic perspective view showing a mating terminal according to another exemplary second embodiment of the present invention. DETAILED DESCRIPTION

[0042] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0043] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0044] According to an overall technical concept of the present invention, a terminal is provided. The terminal comprises: a terminal body, which is plate-shaped and has a front end and a rear end opposite to each other in the length direction thereof; and a contact piece, which is in the shape of a U-shaped clip and is fitted and clamped onto the front end of the terminal body. The contact piece comprises: an upper elastic portion, which is supported on the top surface of the front end of the terminal body; a lower elastic portion, which is supported on the bottom surface of the front end of the terminal body; and a connecting portion, which is connected between one end of the upper elastic portion and the lower elastic portion and is fixed to the terminal body. When the front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, the upper elastic portion and the lower elastic portion are electrically contacted with the top plate and the bottom plate of the mating terminal, respectively, to electrically connect the terminal and the mating terminal.

[0045] According to another general technical concept of the present invention, an electrical connection assembly is provided. The electrical connection assembly comprises: the aforementioned terminal; and a mating terminal, comprising a top plate and a bottom plate spaced opposite to each other in the thickness direction of the terminal body of the terminal. The front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, and the upper elastic portion and the lower elastic portion of the terminal are electrically contacted with the top plate and the bottom plate of the mating terminal respectively at the same time, so as to electrically connect the terminal and the mating terminal.

[0046] According to another general technical concept of the present invention, a connector is provided, comprising: a housing; and the aforementioned terminal installed in the housing.

[0047] According to another general technical concept of the present invention, a connector assembly is provided. The connector assembly includes: the aforementioned connector and a mating connector. The mating connector includes: a mating housing, mating with the housing of the connector; and a mating terminal, installed in the mating housing. The mating terminal includes a top plate and a bottom plate that are spaced opposite to each other, the front end of the terminal is inserted between the top plate and the bottom plate of the mating terminal, and the upper elastic portion and the lower elastic portion of the terminal are in electrical contact with the top plate and the bottom plate of the mating terminal, respectively, to electrically connect the terminal and the mating terminal.

[0048] Figures 1 to 10 The first embodiment according to the present invention is shown. Figure 1 An exploded schematic diagram showing a terminal 100 according to an exemplary first embodiment of the present invention; Figure 2 A perspective schematic diagram showing a contact piece 2 of a terminal 100 according to an exemplary first embodiment of the present invention; Figure 3 A perspective schematic diagram showing a terminal 100 according to an exemplary first embodiment of the present invention; Figure 5 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to an exemplary first embodiment of the present invention; Figure 6A schematic diagram showing the assembly of a terminal 100 and a mating terminal 3 according to an exemplary first embodiment of the present invention is shown.

[0049] like Figures 1 to 3 and Figures 5 and 6 As shown, in an exemplary first embodiment of the present invention, a terminal 100 is disclosed. The terminal 100 includes: a terminal body 1 and a contact piece 2. The terminal body 1 is plate-shaped and has a front end and a rear end opposite to each other in its length direction. The contact piece 2 is in the shape of a U-shaped clip and is fitted and clamped onto the front end of the terminal body 1. The contact piece 2 includes: an upper elastic portion 21, a lower elastic portion 22 and a connecting portion 23. The upper elastic portion 21 is supported on the top surface of the front end of the terminal body 1. The lower elastic portion 22 is supported on the bottom surface of the front end of the terminal body 1. The connecting portion 23 is connected between one end of the upper elastic portion 21 and the lower elastic portion 22 and is fixed to the terminal body 1. When the front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, the upper elastic portion 21 and the lower elastic portion 22 are electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3, respectively, to electrically connect the terminal 100 and the mating terminal 3.

[0050] like Figures 1 to 3 and Figures 5 and 6 As shown, in the first embodiment shown in the figure, the contact piece 2 can be an integral stamping part, which can reduce the manufacturing cost, improve the manufacturing efficiency, and improve the current carrying capacity of the contact piece.

[0051] like Figures 1 to 3 and Figures 5 and 6 As shown, in the illustrated first embodiment, the connection portion 23 of the contact piece 2 is welded, crimped or riveted to the terminal body 1 .

[0052] like Figures 1 to 3 and Figures 5 and 6 As shown, in the first embodiment shown in the figure, a plurality of grooves 13 are formed on the front end surface of the terminal body 1, and the plurality of grooves 13 are spaced apart in the width direction of the terminal body 1. The connecting portion 23 of the contact piece 2 includes a plurality of strip portions 230, and the plurality of strip portions 230 are respectively positioned and fixed to the plurality of grooves 13 of the terminal body 1.

[0053] like Figures 1 to 3 and Figures 5 and 6 As shown, in the illustrated first embodiment, the strip portion 230 of the contact piece 2 may be welded, crimped or riveted into the groove 13 of the terminal body 1 .

[0054] Figure 4 A perspective schematic diagram of a terminal 100 according to another exemplary first embodiment of the present invention is shown.

[0055] like Figures 1 to 6As shown, in the first embodiment shown in the figure, the strip-shaped portion 230 of the contact piece 2 is riveted into the groove 13 of the terminal body 1, and a portion of the side wall 130 of the groove 13 is extended and abuts against the strip-shaped portion 230 of the contact piece 2 during the riveting process, so that the strip-shaped portion 230 of the contact piece 2 is fixed in the groove 13 of the terminal body 1.

[0056] like Figures 1 to 6 As shown, in the first embodiment shown in the figure, the upper elastic portion 21 includes: a first front side portion 211, a first rear side portion 212 and a plurality of upper elastic arms 210. The first front side portion 211 is in the shape of a strip and extends along the width direction of the terminal body 1. The first rear side portion 212 is in the shape of a strip and extends along the width direction of the terminal body 1. The plurality of upper elastic arms 210 are connected between the first front side portion 211 and the first rear side portion 212. The plurality of upper elastic arms 210 are arranged in a row in the width direction of the terminal body 1 for simultaneous electrical contact with the top plate 31 of the mating terminal 3.

[0057] like Figures 1 to 6 As shown, in the first embodiment shown in the figure, the lower elastic portion 22 includes: a second front side portion 221, a second rear side portion 222 and a plurality of lower elastic arms 220. The second front side portion 221 is in the shape of a strip and extends along the width direction of the terminal body 1. The second rear side portion 222 is in the shape of a strip and extends along the width direction of the terminal body 1. The plurality of lower elastic arms 220 are connected between the second front side portion 221 and the second rear side portion 222. The plurality of lower elastic arms 220 are arranged in a row in the width direction of the terminal body 1 for simultaneous electrical contact with the bottom plate 32 of the mating terminal 3.

[0058] like Figures 1 to 6 As shown, in the first embodiment shown in the figure, the upper elastic arm 210 has one or more protruding electrical contacts 2a, and the electrical contacts 2a on the multiple upper elastic arms 210 are used to electrically contact with the inner side of the top plate 31 of the mating terminal 3 at the same time. The lower elastic arm 220 has one or more protruding electrical contacts 2a, and the electrical contacts 2a on the multiple lower elastic arms 220 are used to electrically contact with the inner side of the bottom plate 32 of the mating terminal 3 at the same time.

[0059] like Figures 1 to 6 As shown, in the first embodiment shown in the figure, the connecting portion 23 of the contact member 2 is connected between the first front side portion 211 and the second front side portion 221, and the first rear side portion 212 and the second rear side portion 222 are spaced apart from each other in the thickness direction of the terminal body 1. The spacing between the first rear side portion 212 and the second rear side portion 222 is slightly smaller than the thickness of the terminal body 1, so that the terminal body 1 can be clamped between the first rear side portion 212 and the second rear side portion 222.

[0060] like Figures 1 to 6As shown, in the first embodiment shown in the figure, the first rear side edge portion 212 is slidably supported on the top surface of the terminal body 1 so as to be able to slide forward and backward on the top surface of the terminal body 1 when the upper elastic arm 210 is elastically deformed. The second rear side edge portion 222 is slidably supported on the bottom surface of the terminal body 1 so as to be able to slide forward and backward on the bottom surface of the terminal body 1 when the lower elastic arm 220 is elastically deformed.

[0061] like Figures 1 to 6 As shown, in the illustrated first embodiment, a plurality of upper support protrusions 11 are formed on the top surface of the front end of the terminal body 1, and the plurality of upper support protrusions 11 are spaced apart around the upper elastic portion 21 for supporting the top plate 31 of the mating terminal 3 to prevent the upper elastic arm 210 from being excessively squeezed by the top plate 31 of the mating terminal 3.

[0062] like Figures 1 to 6 As shown, in the illustrated first embodiment, a plurality of lower support protrusions 12 are formed on the bottom surface of the front end of the terminal body 1, and the plurality of lower support protrusions 12 are spaced apart around the lower elastic portion 22 for supporting the bottom plate 32 of the mating terminal 3 to prevent the lower elastic arm 220 from being excessively squeezed by the bottom plate 32 of the mating terminal 3.

[0063] like Figures 1 to 6 As shown, in the first embodiment shown in the figure, a trumpet-shaped insertion opening 24 opening outward is defined between the first rear side edge portion 212 and the second rear side edge portion 222, and the front end of the terminal body 1 is inserted between the upper elastic portion 21 and the lower elastic portion 22 via the trumpet-shaped insertion opening 24. That is, the first rear side edge portion 212 and the second rear side edge portion 222 open outwardly at an angle to form a guide structure for guiding the front end of the terminal body 1 to be inserted between the upper elastic portion 21 and the lower elastic portion 22.

[0064] Figure 7 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to another exemplary first embodiment of the present invention; Figure 8 A schematic diagram showing an assembly of a terminal 100 and a mating terminal 3 according to another exemplary first embodiment of the present invention; Fig. 9 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to another exemplary first embodiment of the present invention; Fig.10 A schematic assembly diagram of a terminal 100 and a mating terminal 3 according to another exemplary first embodiment of the present invention is shown.

[0065] like Figures 1 to 10As shown, in an exemplary first embodiment of the present invention, an electrical connection assembly is also disclosed. The electrical connection assembly includes: the aforementioned terminal 100 and a mating terminal 3. The mating terminal 3 includes a top plate 31 and a bottom plate 32 spaced opposite to each other in the thickness direction of the terminal body 1 of the terminal 100. The front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, and the upper elastic portion 21 and the lower elastic portion 22 of the terminal 100 are electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3 at the same time, respectively, to electrically connect the terminal 100 and the mating terminal 3.

[0066] like Figures 1 to 10 As shown, in the first embodiment shown in the figure, the top plate 31 and the bottom plate 32 of the mating terminal 3 are located at the rear of the mating terminal 3, and the mating terminal 3 also includes a welding portion 30 located at the front thereof and connected to the top plate 31 and the bottom plate 32. The rear end of the terminal body 1 of the terminal 100 is used to be welded to the first conductive member (not shown, which may be a cable or a bus bar), and the welding portion 30 of the mating terminal 3 is used to be welded to the second conductive member (not shown, which may be a cable or a bus bar).

[0067] like Figures 1 to 8 As shown, in the first embodiment shown in the figure, the welding portion 30 of the mating terminal 3 includes an upper plate 33 and a lower plate 34 stacked together, the upper plate 33 and the lower plate 34 are respectively connected to the rear ends of the top plate 31 and the bottom plate 32, and one side of the upper plate 33 and the lower plate 34 are connected to each other. Figures 1 to 8 In the first embodiment shown, the mating terminal 3 is an integral stamped part.

[0068] like Fig. 9 and Fig.10 As shown, in the first embodiment shown in the figure, the welding portion 30 of the mating terminal 3 includes an upper plate 33 and a lower plate 34 stacked together, the upper plate 33 and the lower plate 34 are respectively connected to the rear ends of the top plate 31 and the bottom plate 32, and the upper plate 33 and the lower plate 34 are welded, riveted or crimped together. Fig. 9 and Fig.10 In the first embodiment shown, the mating terminal 3 is of split type, including two separated upper and lower halves.

[0069] like Figure 7 and Figure 8 As shown, in the first embodiment shown in the figure, the top plate 31 is higher than the upper plate 33, and the mating terminal 3 also includes an upper bending portion 35 connected between the rear end of the top plate 31 and the front end of the upper plate 33. The bottom plate 32 is lower than the lower plate 34, and the mating terminal 3 also includes a lower bending portion 36 connected between the rear end of the bottom plate 32 and the front end of the lower plate 34.

[0070] like Figures 1 to 6 and Figures 9 and 10As shown, in the illustrated first embodiment, the top plate 31 is higher than the upper plate 33 , the bottom plate 32 is flush with the lower plate 34 , and the mating terminal 3 further includes an upper bending portion 35 connected between the rear end of the top plate 31 and the front end of the upper plate 33 .

[0071] However, the present invention is not limited to the first embodiment shown in the figure. For example, in another exemplary first embodiment of the present invention, the top plate 31 is flush with the upper plate 33, the bottom plate 32 is lower than the lower plate 34, and the mating terminal 3 also includes a lower bending portion 36 connected between the rear end of the bottom plate 32 and the front end of the lower plate 34.

[0072] like Figures 1 to 10 As shown, in the first embodiment shown in the figure, the mating terminal 3 has a front portion and a rear portion opposite to each other in the length direction thereof, and the top plate 31 and the bottom plate 32 of the mating terminal 3 are located in the rear portion thereof. The front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3 along the length direction of the mating terminal 3.

[0073] like Figures 1 to 10 As shown, in another exemplary first embodiment of the present invention, a connector is also disclosed. The connector includes a housing (not shown) and the aforementioned terminal 100. The terminal 100 is installed in the housing.

[0074] like Figures 1 to 10 As shown, in another exemplary first embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes: the aforementioned connector and a mating connector (not shown). The mating connector includes: a mating housing (not shown) and the aforementioned mating terminal 3. The mating housing is mated with the housing of the connector. The mating terminal 3 is installed in the mating housing for mating with the terminal 100 of the connector. The mating terminal 3 includes a top plate 31 and a bottom plate 32 that are spaced opposite to each other, and the front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, and the upper elastic portion 21 and the lower elastic portion 22 of the terminal 100 are respectively electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3 to electrically connect the terminal 100 and the mating terminal 3.

[0075] Figures 11 to 22 The second embodiment according to the present invention is shown. Fig.11 An exploded schematic diagram showing a terminal 100 according to an exemplary second embodiment of the present invention; Fig.12 A perspective schematic diagram showing a contact piece 2 of a terminal 100 according to an exemplary second embodiment of the present invention; Fig.13 A perspective schematic diagram showing a terminal 100 according to an exemplary second embodiment of the present invention; Fig.15 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to an exemplary second embodiment of the present invention; Fig.16A schematic diagram showing an assembly of a terminal 100 and a mating terminal 3 according to an exemplary second embodiment of the present invention; like Figures 11 to 13 and Figure 15 to Figure 16 As shown, in an exemplary second embodiment of the present invention, a terminal 100 is disclosed. The terminal 100 includes: a terminal body 1 and a contact piece 2. The terminal body 1 is plate-shaped and has a front end and a rear end opposite to each other in its length direction. The contact piece 2 is in the shape of a U-shaped clip and is fitted and clamped onto the front end of the terminal body 1. The contact piece 2 includes: an upper elastic portion 21, a lower elastic portion 22 and a connecting portion 23. The upper elastic portion 21 is supported on the top surface of the front end of the terminal body 1. The lower elastic portion 22 is supported on the bottom surface of the front end of the terminal body 1. The connecting portion 23 is connected between one end of the upper elastic portion 21 and the lower elastic portion 22 and is fixed to the terminal body 1. When the front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, the upper elastic portion 21 and the lower elastic portion 22 are electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3, respectively, to electrically connect the terminal 100 and the mating terminal 3.

[0076] like Figures 11 to 13 and Figure 15 to Figure 16 As shown, in the second embodiment shown in the figure, the contact piece 2 can be an integral stamping part, which can reduce the manufacturing cost, improve the manufacturing efficiency, and improve the current carrying capacity of the contact piece.

[0077] like Figures 11 to 13 and Figure 15 to Figure 16 As shown, in the second embodiment shown in the figure, the connecting portion 23 of the contact piece 2 is welded, crimped or riveted to the terminal body 1 .

[0078] like Figures 11 to 13 and Figure 15 to Figure 16 As shown, in the second embodiment shown in the figure, a plurality of grooves 13 are formed on the front end surface of the terminal body 1, and the plurality of grooves 13 are spaced apart in the width direction of the terminal body 1. The connecting portion 23 of the contact piece 2 includes a plurality of strip portions 230, and the plurality of strip portions 230 are respectively positioned and fixed in the plurality of grooves 13 of the terminal body 1.

[0079] like Figures 11 to 13 and Figure 15 to Figure 16 As shown, in the second embodiment shown in the figure, the strip portion 230 of the contact piece 2 can be welded, crimped or riveted into the groove 13 of the terminal body 1 .

[0080] Fig.14 A perspective schematic diagram of a terminal 100 according to another exemplary second embodiment of the present invention is shown.

[0081] like Figures 11 to 16As shown, in the second embodiment shown in the figure, the strip-shaped portion 230 of the contact piece 2 is riveted into the groove 13 of the terminal body 1, and a portion of the side wall 130 of the groove 13 is extended and abuts against the strip-shaped portion 230 of the contact piece 2 during the riveting process, so that the strip-shaped portion 230 of the contact piece 2 is fixed in the groove 13 of the terminal body 1.

[0082] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, the upper elastic portion 21 includes an upper plate portion 201 and a plurality of upper elastic arms 210. The upper plate portion 201 is formed with an upper circular window 203. The plurality of upper elastic arms 210 are connected to the edge of the upper circular window 203 and are spaced apart in the circumferential direction of the upper circular window 203. The plurality of upper elastic arms 210 extend obliquely upward toward the central axis of the upper circular window 203, and are used to electrically contact with the inner side of the top plate 31 of the mating terminal 3 at the same time.

[0083] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, the lower elastic portion 22 includes: a lower plate portion 202 and a plurality of lower elastic arms 220. The lower plate portion 202 is formed with a lower circular window 204. The plurality of lower elastic arms 220 are connected to the edge of the lower circular window 204 and are spaced apart in the circumferential direction of the lower circular window 204. The plurality of lower elastic arms 220 extend obliquely downward toward the central axis of the lower circular window 204, and are used to electrically contact with the inner side of the bottom plate 32 of the mating terminal 3 at the same time.

[0084] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, the upper elastic arm 210 is in the shape of a triangle that gradually decreases from its root to its end, the root of the upper elastic arm 210 is connected to the edge of the upper circular window 203, and the end 2b of the upper elastic arm 210 is used to electrically contact the inner side of the top plate 31 of the mating terminal 3.

[0085] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, the lower elastic arm 220 is in the shape of a triangle that gradually decreases from its root to its end, the root of the lower elastic arm 220 is connected to the edge of the lower circular window 204, and the end 2b of the lower elastic arm 220 is used to electrically contact the inner side of the bottom plate 32 of the mating terminal 3.

[0086] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, the connection portion 23 of the contact member 2 is connected between the front side portions of the upper plate portion 201 and the lower plate portion 202, and the rear side portions of the upper plate portion 201 and the lower plate portion 202 are spaced apart from each other in the thickness direction of the terminal body 1. The spacing between the rear side portions of the upper plate portion 201 and the lower plate portion 202 is slightly smaller than the thickness of the terminal body 1, so that the terminal body 1 can be clamped between the rear side portions of the upper plate portion 201 and the lower plate portion 202.

[0087] like Figures 11 to 16As shown, in the second embodiment shown in the figure, a trumpet-shaped insertion opening 24 opening outward is defined between the rear side edges of the upper plate portion 201 and the lower plate portion 202, and the front end of the terminal body 1 is inserted between the upper elastic portion 21 and the lower elastic portion 22 via the trumpet-shaped insertion opening 24. In other words, the rear side edges of the upper plate portion 201 and the lower plate portion 202 are tilted outward to form a guide structure for guiding the front end of the terminal body 1 to be inserted between the upper plate portion 201 and the lower plate portion 202.

[0088] like Figures 11 to 16 As shown, in the illustrated second embodiment, a plurality of upper support protrusions 11 are formed on the top surface of the front end of the terminal body 1, and the plurality of upper support protrusions 11 are spaced apart around the upper elastic portion 21 for supporting the top plate 31 of the mating terminal 3 to prevent the upper elastic arm 210 from being excessively squeezed by the top plate 31 of the mating terminal 3.

[0089] like Figures 11 to 16 As shown, in the illustrated second embodiment, a plurality of lower support protrusions 12 are formed on the bottom surface of the front end of the terminal body 1, and the plurality of lower support protrusions 12 are spaced apart around the lower elastic portion 22 for supporting the bottom plate 32 of the mating terminal 3 to prevent the lower elastic arm 220 from being excessively squeezed by the bottom plate 32 of the mating terminal 3.

[0090] like Figures 11 to 16 As shown, in an exemplary second embodiment of the present invention, the upper plate portion 201 and the lower plate portion 202 of the contact 2 can be riveted, crimped, welded or screwed to the top and bottom surfaces of the front end of the terminal body 1, respectively.

[0091] like Figures 11 to 16 As shown, in the second embodiment shown in the figure, riveting columns 1c are respectively formed on the top and bottom surfaces of the front end of the terminal body 1, and riveting holes 2c are respectively formed on the upper plate portion 201 and the lower plate portion 202 of the contact member 2. The riveting columns 1c on the top surface of the terminal body 1 pass through the riveting holes 2c on the upper plate portion 201 and are riveted to the upper plate portion 201 to fix the upper plate portion 201 to the top surface of the terminal body 1. The riveting columns 1c on the bottom surface of the terminal body 1 pass through the riveting holes 2c on the lower plate portion 202 and are riveted to the lower plate portion 202 to fix the lower plate portion 202 to the bottom surface of the terminal body 1.

[0092] Fig.17 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention; Fig.18 A schematic diagram showing an assembly of a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention; Fig.19 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention; Fig. 20A schematic diagram showing an assembly of a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention; Fig.21 An exploded schematic diagram showing a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention; Fig. 22 A schematic diagram showing the assembly of a terminal 100 and a mating terminal 3 according to another exemplary second embodiment of the present invention is shown.

[0093] like Figures 11 to 22 As shown, in an exemplary second embodiment of the present invention, an electrical connection assembly is also disclosed. The electrical connection assembly includes: the aforementioned terminal 100 and a mating terminal 3. The mating terminal 3 includes a top plate 31 and a bottom plate 32 spaced opposite to each other in the thickness direction of the terminal body 1 of the terminal 100. The front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, and the upper elastic portion 21 and the lower elastic portion 22 of the terminal 100 are electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3 at the same time, respectively, to electrically connect the terminal 100 and the mating terminal 3.

[0094] like Figures 11 to 22 As shown, in the second embodiment shown in the figure, the top plate 31 and the bottom plate 32 of the mating terminal 3 are located at the rear of the mating terminal 3, and the mating terminal 3 also includes a welding portion 30 located at the front thereof and connected to the top plate 31 and the bottom plate 32. The rear end of the terminal body 1 of the terminal 100 is used to be welded to the first conductive member (not shown, which may be a cable or a bus bar), and the welding portion 30 of the mating terminal 3 is used to be welded to the second conductive member (not shown, which may be a cable or a bus bar).

[0095] like Figures 11 to 18 and Figure 21 to Figure 22 As shown, in the second embodiment shown in the figure, the welding portion 30 of the mating terminal 3 includes an upper plate 33 and a lower plate 34 stacked together, the upper plate 33 and the lower plate 34 are respectively connected to the rear ends of the top plate 31 and the bottom plate 32, and one side of the upper plate 33 and the lower plate 34 are connected to each other. Figures 11 to 18 and Figure 21 to Figure 22 In the second embodiment shown, the mating terminal 3 is an integral stamped part.

[0096] like Fig.19 and Fig. 20 As shown, in the second embodiment shown in the figure, the welding portion 30 of the mating terminal 3 includes an upper plate 33 and a lower plate 34 stacked together, the upper plate 33 and the lower plate 34 are respectively connected to the rear ends of the top plate 31 and the bottom plate 32, and the upper plate 33 and the lower plate 34 are welded, riveted or crimped together. Fig.19 and Fig. 20 In the second embodiment shown, the mating terminal 3 is of split type, including two separated upper and lower halves.

[0097] like Fig.17 and Fig.18 As shown, in the second embodiment shown in the figure, the top plate 31 is higher than the upper plate 33, and the mating terminal 3 also includes an upper bending portion 35 connected between the rear end of the top plate 31 and the front end of the upper plate 33. The bottom plate 32 is lower than the lower plate 34, and the mating terminal 3 also includes a lower bending portion 36 connected between the rear end of the bottom plate 32 and the front end of the lower plate 34.

[0098] like Figures 11 to 16 and Figures 19 to 22 As shown, in the second embodiment shown in the figure, the top plate 31 is higher than the upper plate 33, the bottom plate 32 is flush with the lower plate 34, and the mating terminal 3 also includes an upper bending portion 35 connected between the rear end of the top plate 31 and the front end of the upper plate 33.

[0099] However, the present invention is not limited to the second embodiment shown in the figures. For example, in another exemplary second embodiment of the present invention, the top plate 31 is flush with the upper plate 33, the bottom plate 32 is lower than the lower plate 34, and the mating terminal 3 also includes a lower bending portion 36 connected between the rear end of the bottom plate 32 and the front end of the lower plate 34.

[0100] like Figures 11 to 20 As shown, in the second embodiment shown in the figure, the mating terminal 3 has a front portion and a rear portion opposite to each other in the length direction thereof, and the top plate 31 and the bottom plate 32 of the mating terminal 3 are located in the rear portion thereof. The front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3 along the length direction of the mating terminal 3.

[0101] like Fig.21 and Fig. 22 As shown, in the second embodiment shown in the figure, the mating terminal 3 has a front portion and a rear portion opposite to each other in the length direction thereof, and the top plate 31 and the bottom plate 32 of the mating terminal 3 are located at the rear portion thereof. The front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3 along the width direction of the mating terminal 3.

[0102] like Figures 11 to 22 As shown, in another exemplary second embodiment of the present invention, a connector is also disclosed. The connector includes a housing (not shown) and the aforementioned terminal 100. The terminal 100 is installed in the housing.

[0103] like Figures 11 to 22As shown, in another exemplary second embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes: the aforementioned connector and a mating connector (not shown). The mating connector includes: a mating housing (not shown) and the aforementioned mating terminal 3. The mating housing is mated with the housing of the connector. The mating terminal 3 is installed in the mating housing for mating with the terminal 100 of the connector. The mating terminal 3 includes a top plate 31 and a bottom plate 32 that are spaced opposite to each other, and the front end of the terminal 100 is inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3, and the upper elastic portion 21 and the lower elastic portion 22 of the terminal 100 are respectively electrically contacted with the top plate 31 and the bottom plate 32 of the mating terminal 3 to electrically connect the terminal 100 and the mating terminal 3.

[0104] Fig.23 A schematic three-dimensional diagram of a mating terminal 3 according to another exemplary second embodiment of the present invention is shown.

[0105] like Fig.23 As shown, in the second embodiment shown in the figure, the top plate 31 and the bottom plate 32 of the mating terminal 3 are located at the rear of the mating terminal 3, and the mating terminal 3 also includes a welding portion 30 located at the front thereof and connected to the bottom plate 32. The mating terminal 3 also includes a side plate connected between one side of the top plate 31 and the bottom plate 32, so that the front end of the terminal 100 can be inserted between the top plate 31 and the bottom plate 32 of the mating terminal 3 along the length direction or the width direction of the mating terminal 3.

[0106] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0107] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0108] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0109] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A terminal, characterized in that: include: The terminal body (1) is plate-shaped and has a front end and a rear end opposite to each other in the length direction thereof; and The contact piece (2) is in the shape of a U-shaped clip and is fitted onto and clamped on the front end of the terminal body (1). The contact element (2) comprises: An upper elastic portion (21) supported on a top surface of a front end of the terminal body (1); A lower elastic portion (22) supported on the bottom surface of the front end of the terminal body (1); and a connecting portion (23) connected between the upper elastic portion (21) and one end of the lower elastic portion (22) and fixed to the terminal body (1), When the front end of the terminal (100) is inserted between the top plate (31) and the bottom plate (32) of the mating terminal (3), the upper elastic portion (21) and the lower elastic portion (22) are in electrical contact with the top plate (31) and the bottom plate (32) of the mating terminal (3), respectively, so as to electrically connect the terminal (100) and the mating terminal (3).

2. The terminal according to claim 1, characterized in that: The contact piece (2) is an integral stamped part.

3. The terminal according to claim 1, characterized in that: The connection portion (23) of the contact piece (2) is welded, crimped or riveted to the terminal body (1).

4. The terminal according to claim 1, characterized in that: A plurality of grooves (13) are formed on the front end surface of the terminal body (1), and the plurality of grooves (13) are distributed at intervals in the width direction of the terminal body (1); The connecting portion (23) of the contact piece (2) comprises a plurality of strip-shaped portions (230), and the plurality of strip-shaped portions (230) are respectively positioned and fixed in a plurality of grooves (13) of the terminal body (1).

5. The terminal according to claim 4, characterized in that: The strip-shaped portion (230) of the contact piece (2) is welded, crimped or riveted into the groove (13) of the terminal body (1).

6. The terminal according to claim 4, characterized in that: The strip-shaped portion (230) of the contact piece (2) is riveted into the groove (13) of the terminal body (1), and a portion of the side wall (130) of the groove (13) is extended during the riveting process and abuts against the strip-shaped portion (230) of the contact piece (2), so that the strip-shaped portion (230) of the contact piece (2) is fixed in the groove (13) of the terminal body (1).

7. The terminal according to claim 1, characterized in that: The upper elastic portion (21) comprises: A first front side portion (211) is strip-shaped and extends along the width direction of the terminal body (1); A first rear side portion (212) is strip-shaped and extends along the width direction of the terminal body (1); and A plurality of upper elastic arms (210) connected between the first front side edge portion (211) and the first rear side edge portion (212), The plurality of upper elastic arms (210) are arranged in a row in the width direction of the terminal body (1) and are used to simultaneously electrically contact the top plate (31) of the mating terminal (3).

8. The terminal according to claim 7, characterized in that: The lower elastic portion (22) comprises: A second front side portion (221) is strip-shaped and extends along the width direction of the terminal body (1); A second rear side portion (222) is strip-shaped and extends along the width direction of the terminal body (1); and A plurality of lower elastic arms (220) connected between the second front side portion (221) and the second rear side portion (222), The plurality of lower elastic arms (220) are arranged in a row in the width direction of the terminal body (1) and are used to simultaneously electrically contact the bottom plate (32) of the mating terminal (3).

9. The terminal according to claim 8, characterized in that: The upper elastic arm (210) has one or more protruding electrical contacts (2a), and the electrical contacts (2a) on the plurality of upper elastic arms (210) are used to simultaneously electrically contact the inner side of the top plate (31) of the mating terminal (3); and / or The lower elastic arm (220) has one or more protruding electrical contacts (2a), and the electrical contacts (2a) on the multiple lower elastic arms (220) are used to simultaneously electrically contact the inner side of the bottom plate (32) of the mating terminal (3).

10. The terminal according to claim 8, characterized in that: The connecting portion (23) of the contact piece (2) is connected between the first front side portion (211) and the second front side portion (221), and the first rear side portion (212) and the second rear side portion (222) are spaced apart and opposed to each other in the thickness direction of the terminal body (1); The distance between the first rear side edge portion (212) and the second rear side edge portion (222) is slightly smaller than the thickness of the terminal body (1), so that the terminal body (1) can be clamped between the first rear side edge portion (212) and the second rear side edge portion (222).

11. The terminal according to claim 10, characterized in that: The first rear side edge portion (212) is slidably supported on the top surface of the terminal body (1) so as to be able to slide back and forth on the top surface of the terminal body (1) when the upper elastic arm (210) is elastically deformed; The second rear side edge portion (222) is slidably supported on the bottom surface of the terminal body (1) so as to be able to slide back and forth on the bottom surface of the terminal body (1) when the lower elastic arm (220) is elastically deformed.

12. The terminal according to claim 8, characterized in that: A plurality of upper support protrusions (11) are formed on the top surface of the front end of the terminal body (1), and the plurality of upper support protrusions (11) are spaced apart around the upper elastic portion (21) and are used to support the top plate (31) of the mating terminal (3) to prevent the upper elastic arm (210) from being excessively squeezed by the top plate (31) of the mating terminal (3).

13. The terminal according to claim 12, characterized in that: A plurality of lower support protrusions (12) are formed on the bottom surface of the front end of the terminal body (1), and the plurality of lower support protrusions (12) are spaced around the lower elastic portion (22) and are used to support the bottom plate (32) of the mating terminal (3) to prevent the lower elastic arm (220) from being excessively squeezed by the bottom plate (32) of the mating terminal (3).

14. The terminal according to claim 8, characterized in that: An outwardly flared trumpet-shaped insertion opening (24) is defined between the first rear side edge portion (212) and the second rear side edge portion (222), and the front end of the terminal body (1) is inserted between the upper elastic portion (21) and the lower elastic portion (22) via the trumpet-shaped insertion opening (24).

15. The terminal according to claim 1, characterized in that: The upper elastic portion (21) comprises: An upper plate portion (201) is formed with an upper circular window (203); A plurality of upper elastic arms (210) are connected to the edge of the upper circular window (203) and are spaced apart in the circumferential direction of the upper circular window (203). The plurality of upper elastic arms (210) extend obliquely upwards towards the central axis of the upper circular window (203) and are used to simultaneously electrically contact the inner side of the top plate (31) of the mating terminal (3).

16. The terminal according to claim 15, characterized in that: The lower elastic portion (22) comprises: A lower plate portion (202) is formed with a lower circular window (204); A plurality of lower elastic arms (220) are connected to the edge of the lower circular window (204) and are spaced apart in the circumferential direction of the lower circular window (204). The plurality of lower elastic arms (220) extend obliquely downward toward the central axis of the lower circular window (204) and are used to simultaneously electrically contact the inner side of the bottom plate (32) of the mating terminal (3).

17. The terminal according to claim 16, characterized in that: The upper elastic arm (210) is in the shape of a triangle that gradually decreases from its root to its end, the root of the upper elastic arm (210) is connected to the edge of the upper circular window (203), and the end (2b) of the upper elastic arm (210) is used to electrically contact the inner side of the top plate (31) of the mating terminal (3); and / or The lower elastic arm (220) is in the shape of a triangle that gradually decreases from its root to its end; the root of the lower elastic arm (220) is connected to the edge of the lower circular window (204); and the end (2b) of the lower elastic arm (220) is used to electrically contact the inner side of the bottom plate (32) of the mating terminal (3).

18. The terminal according to claim 16, characterized in that: The connection portion (23) of the contact member (2) is connected between the front side edges of the upper plate portion (201) and the lower plate portion (202), and the rear side edges of the upper plate portion (201) and the lower plate portion (202) are spaced apart from each other in the thickness direction of the terminal body (1); The distance between the rear side edges of the upper plate portion (201) and the lower plate portion (202) is slightly smaller than the thickness of the terminal body (1), so that the terminal body (1) can be clamped between the rear side edges of the upper plate portion (201) and the lower plate portion (202).

19. The terminal according to claim 18, characterized in that: A trumpet-shaped insertion opening (24) opening outward is defined between the rear side edges of the upper plate portion (201) and the lower plate portion (202), and the front end of the terminal body (1) is inserted between the upper elastic portion (21) and the lower elastic portion (22) via the trumpet-shaped insertion opening (24).

20. The terminal according to claim 16, characterized in that: A plurality of upper support protrusions (11) are formed on the top surface of the front end of the terminal body (1), and the plurality of upper support protrusions (11) are spaced apart around the upper elastic portion (21) and are used to support the top plate (31) of the mating terminal (3) to prevent the upper elastic arm (210) from being excessively squeezed by the top plate (31) of the mating terminal (3).

21. The terminal according to claim 20, characterized in that: A plurality of lower support protrusions (12) are formed on the bottom surface of the front end of the terminal body (1), and the plurality of lower support protrusions (12) are spaced around the lower elastic portion (22) and are used to support the bottom plate (32) of the mating terminal (3) to prevent the lower elastic arm (220) from being excessively squeezed by the bottom plate (32) of the mating terminal (3).

22. The terminal according to claim 16, characterized in that: The upper plate portion (201) and the lower plate portion (202) of the contact piece (2) are respectively riveted, crimped, welded or screwed to the top surface and the bottom surface of the front end of the terminal body (1).

23. The terminal according to claim 16, characterized in that: Riveting columns (1c) are respectively formed on the top surface and the bottom surface of the front end of the terminal body (1), and riveting holes (2c) are respectively formed on the upper plate portion (201) and the lower plate portion (202) of the contact piece (2); The riveting column (1c) on the top surface of the terminal body (1) passes through the riveting hole (2c) on the upper plate portion (201) and is riveted to the upper plate portion (201), so as to fix the upper plate portion (201) to the top surface of the terminal body (1); The rivet column (1c) on the bottom surface of the terminal body (1) passes through the rivet hole (2c) on the lower plate portion (202) and is riveted to the lower plate portion (202) to fix the lower plate portion (202) to the bottom surface of the terminal body (1).

24. An electrical connection assembly, characterized in that: include: The terminal (100) according to any one of claims 1 to 23; and A mating terminal (3) comprising a top plate (31) and a bottom plate (32) spaced apart from each other in a thickness direction of a terminal body (1) of the terminal (100), The front end of the terminal (100) is inserted between the top plate (31) and the bottom plate (32) of the mating terminal (3), and the upper elastic portion (21) and the lower elastic portion (22) of the terminal (100) are respectively in electrical contact with the top plate (31) and the bottom plate (32) of the mating terminal (3) at the same time, so as to electrically connect the terminal (100) and the mating terminal (3).

25. The electrical connection assembly according to claim 24, characterized in that: The top plate (31) and the bottom plate (32) of the mating terminal (3) are located at the rear of the mating terminal (3), and the mating terminal (3) further comprises a welding portion (30) located at the front of the mating terminal and connected to the top plate (31) and the bottom plate (32); The rear end of the terminal body (1) of the terminal (100) is used for welding to a first conductive member, and the welding portion (30) of the mating terminal (3) is used for welding to a second conductive member.

26. The electrical connection assembly according to claim 25, characterized in that: The welding portion (30) of the mating terminal (3) comprises an upper plate (33) and a lower plate (34) stacked together, wherein the upper plate (33) and the lower plate (34) are respectively connected to the rear ends of the top plate (31) and the bottom plate (32), and one side of the upper plate (33) and the lower plate (34) are connected to each other.

27. The electrical connection assembly according to claim 25, characterized in that: The welding portion (30) of the mating terminal (3) comprises an upper plate (33) and a lower plate (34) stacked together, wherein the upper plate (33) and the lower plate (34) are respectively connected to the rear ends of the top plate (31) and the bottom plate (32), and the upper plate (33) and the lower plate (34) are welded, riveted or crimped together.

28. The electrical connection assembly according to claim 26 or 27, characterized in that: The top plate (31) is higher than the upper plate (33), and the mating terminal (3) further comprises an upper bending portion (35) connected between the rear end of the top plate (31) and the front end of the upper plate (33); and / or The bottom plate (32) is lower than the lower plate (34), and the mating terminal (3) further comprises a lower bending portion (36) connected between the rear end of the bottom plate (32) and the front end of the lower plate (34).

29. The electrical connection assembly according to claim 26 or 27, characterized in that: The top plate (31) is higher than the upper plate (33), the bottom plate (32) is flush with the lower plate (34), and the mating terminal (3) further comprises an upper bending portion (35) connected between the rear end of the top plate (31) and the front end of the upper plate (33); or The top plate (31) is flush with the upper plate (33), the bottom plate (32) is lower than the lower plate (34), and the mating terminal (3) further comprises a lower bending portion (36) connected between the rear end of the bottom plate (32) and the front end of the lower plate (34).

30. The electrical connection assembly according to claim 24, characterized in that: The top plate (31) and the bottom plate (32) of the mating terminal (3) are located at the rear of the mating terminal (3), and the mating terminal (3) further comprises a welding portion (30) located at the front of the mating terminal and connected to the bottom plate (32); The mating terminal (3) further comprises a side plate connected between the top plate (31) and one side of the bottom plate (32), so that the front end of the terminal (100) can be inserted between the top plate (31) and the bottom plate (32) of the mating terminal (3) along the length direction or the width direction of the mating terminal (3).

31. The electrical connection assembly according to claim 24, characterized in that: The mating terminal (3) has a front portion and a rear portion that are opposite to each other in the length direction thereof, and a top plate (31) and a bottom plate (32) of the mating terminal (3) are located at the rear portion thereof; The front end of the terminal (100) is inserted between the top plate (31) and the bottom plate (32) of the mating terminal (3) along the length direction or the width direction of the mating terminal (3).

32. A connector, characterized in that: include: case; and The terminal (100) according to any one of claims 1 to 23 is installed in the housing.

33. A connector assembly, characterized in that: include: The connector according to claim 32; and Mating connector, including: A mating housing, mating with the housing of the connector; and The mating terminal (3) is installed in the mating housing. The mating terminal (3) comprises a top plate (31) and a bottom plate (32) which are spaced apart from each other and are opposite to each other; the front end of the terminal (100) is inserted between the top plate (31) and the bottom plate (32) of the mating terminal (3); the upper elastic portion (21) and the lower elastic portion (22) of the terminal (100) are respectively in electrical contact with the top plate (31) and the bottom plate (32) of the mating terminal (3), so as to electrically connect the terminal (100) and the mating terminal (3).

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