Terminal, connector, and connector assembly

Abstract

To increase a contact region between a terminal and a mating side terminal to satisfy request for heavy-current.SOLUTION: A terminal comprises: a terminal main body (10); two first elastic contacts (210); and two second elastic contacts (220). The terminal main body (10) includes: a first terminal plate (110) including a first fitting portion; and a second terminal plate (120) including a second fitting portion facing the first fitting portion. The two first elastic contacts (210) are mounted in parallel to an inner surface of the first fitting portion, and each of the two first elastic contacts (210) includes a first elastic arm. The two second elastic contacts (220) are mounted in parallel to the inner surface of the second fitting portion, and each of the two second elastic contacts (220) includes a second elastic arm. The first and second elastic arms cramp a mating side terminal inserted into between each first elastic arm and each second elastic arm to thereby materialize electric connection between the terminal and the mating side terminal.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to Chinese Patent Application No. CN202220244748.6, filed with the State Intellectual Property Office of China on January 29, 2022, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a terminal, a connector including the terminal, and a connector assembly including the connector. [Background technology]

[0003] In the prior art, a terminal for a high-voltage connector typically includes a terminal body, a pair of elastic contacts, and a locking piece. The terminal body includes two terminal plates. A gap is formed between the mating portions of the two terminal plates to allow insertion of a mating terminal. A pair of elastic contacts is disposed in the gap between the mating portions of the two terminal plates and fixed to each of the two terminal plates to clamp the mating terminal inserted between the terminal plates and establish an electrical connection between the terminal and the mating terminal. A locking piece is attached to the terminal body to lock the terminal to the connector housing.

[0004] However, in the prior art, only a single elastic contact is mounted on each terminal board, so the number of contact points between the terminal and the mating terminal is small and cannot meet the requirements for large current. Summary of the Invention [Problem to be solved by the invention]

[0005] The present invention has been made to overcome or mitigate at least one aspect of the above disadvantages. [Means for solving the problem]

[0006] According to an aspect of the present invention, a terminal is provided. The terminal includes a terminal body, two first elastic contacts, and two second elastic contacts. The terminal body includes a first terminal plate including a first mating portion and a second terminal plate including a second mating portion facing the first mating portion. The two first elastic contacts are mounted side by side on the inner surface of the first mating portion and each include a first elastic arm. The two second elastic contacts are mounted side by side on the inner surface of the second mating portion and each include a second elastic arm. The first elastic arm and the second elastic arm are adapted to clamp a mating terminal inserted between them to establish an electrical connection between the terminal and the mating terminal.

[0007] According to an exemplary embodiment of the present invention, the first resilient contact also includes a pair of first sides extending along the longitudinal direction of the terminal body, with the first resilient arm being connected between the pair of first sides, and / or the second resilient contact also includes a pair of second sides extending along the longitudinal direction of the terminal body, with the second resilient arm being connected between the pair of second sides.

[0008] According to another exemplary embodiment of the present invention, one of the pair of first side portions is fixed to an inner surface of the first fitting portion and the other is slidably supported on the inner surface of the first fitting portion, and / or one of the pair of second side portions is fixed to an inner surface of the second fitting portion and the other is slidably supported on the inner surface of the second fitting portion.

[0009] According to another exemplary embodiment of the present invention, the first resilient arm and the second resilient arm extend along the lateral direction of the terminal body and make electrical contact with a mating terminal inserted along the lateral direction of the terminal body.

[0010] According to another exemplary embodiment of the present invention, the first and second springy contacts are identical and can be used interchangeably.

[0011] According to another exemplary embodiment of the present invention, a first support protrusion is formed on the inner surface of the first mating portion, and the first support protrusion is used to support the inserted mating terminal and prevent the first resilient arm from being excessively compressed by the mating terminal, and / or a second support protrusion is formed on the inner surface of the second mating portion, and the second support protrusion is used to support the inserted mating terminal and prevent the second resilient arm from being excessively compressed by the mating terminal.

[0012] According to another exemplary embodiment of the present invention, a first support rib extending along the longitudinal direction of the terminal body is formed on the inner surface of the first mating portion, and the first support rib is used to support the first resilient arm and prevent the first resilient arm from being excessively deformed, and / or a second support rib extending along the longitudinal direction of the terminal body is formed on the inner surface of the second mating portion, and the second support rib is used to support the second resilient arm and prevent the second resilient arm from being excessively deformed.

[0013] According to another exemplary embodiment of the present invention, the terminal further includes a locking member fitted to the ends of the first and second mating portions of the terminal body to lock the terminal to the connector housing.

[0014] According to another exemplary embodiment of the present invention, the locking member includes a bottom plate fixed to the outside of the first fitting portion, a top plate fixed to the outside of the second fitting portion, and an end plate connected between the bottom plate and the top plate.

[0015] According to another exemplary embodiment of the present invention, a first elastic clamping portion bent inwardly into a C-shape is formed on a side edge of the bottom plate, and the first elastic clamping portion is clamped to a side edge of the first mating portion, and / or a second elastic clamping portion bent inwardly into a C-shape is formed on a side edge of the top plate, and the second elastic clamping portion is clamped to a side edge of the second mating portion.

[0016] According to another exemplary embodiment of the present invention, a first recess suitable for engaging with a first elastic clamping portion is formed in a side edge of the first mating portion, and the first elastic clamping portion is locked in the first recess, and a second recess suitable for engaging with a second elastic clamping portion is formed in a side edge of the second mating portion, and the second elastic clamping portion is locked in the second recess.

[0017] According to another exemplary embodiment of the present invention, elastic locking sheets are formed on the bottom plate and / or the top plate of the locking member, the elastic locking sheets being suitable for engaging with recesses in the connector housing to lock the terminals to the connector housing, and / or guide ribs are formed on the bottom plate and / or the top plate of the locking member, the guide ribs being suitable for fitting into guide slots in the connector housing to guide the terminals into the connector housing.

[0018] According to another exemplary embodiment of the present invention, two first resilient contacts are mounted side by side on the inner surface of the first mating portion along the transverse direction of the terminal body, each including a row of first resilient arms arranged along the longitudinal direction of the terminal body, and two second resilient contacts are mounted side by side on the inner surface of the second mating portion along the transverse direction of the terminal body, each including a row of second resilient arms arranged along the longitudinal direction of the terminal body.

[0019] According to another exemplary embodiment of the present invention, the first and second mating portions form a mating portion of a terminal body, the mating portion having a longitudinal centerline. The terminal body also includes a weld portion having a welding surface for welding to a conductor. The welding surface is offset from the longitudinal centerline of the mating portion by a predetermined distance in a height direction perpendicular to the lateral and longitudinal directions of the terminal body, so that a height offset between the longitudinal centerline of a conductor welded to the welding surface and the longitudinal centerline of the mating portion is equal to zero or less than a predetermined value.

[0020] According to another exemplary embodiment of the present invention, the first and second resilient contacts are staggered at a predetermined distance in the longitudinal direction of the terminal body, and the first and second resilient arms are not aligned in the lateral direction of the terminal body.

[0021] According to another exemplary embodiment of the present invention, the first terminal plate also includes a first welded portion and a first bent portion connected between the first welded portion and the first mating portion, the second terminal plate also includes a second welded portion and a second bent portion connected between the second welded portion and the second mating portion, and the terminal body also includes a third bent portion connected between one side of the first welded portion and one side of the second welded portion.

[0022] According to another aspect of the present invention, there is provided a connector comprising a housing and the above-described terminal inserted into the housing.

[0023] According to another aspect of the present invention, there is provided a connector assembly comprising the connector described above and a mating connector suitable for mating with the connector.

[0024] In the above exemplary embodiment of the present invention, two elastic contacts are mounted on two terminal plates of the terminal body, respectively, and two rows of elastic arms of the two elastic contacts contact the inserted mating terminal, thereby increasing the contact area between the terminal and the mating terminal and satisfying the requirement of large current.

[0025] These and other features of the present invention will become more apparent from the detailed description of illustrative embodiments taken in conjunction with the accompanying drawings. [Brief explanation of the drawings]

[0026] [Figure 1] 1 is a diagrammatic perspective view of a terminal according to an exemplary embodiment of the present invention; [Figure 2] 1 is an illustrative exploded view of a terminal according to an exemplary embodiment of the present invention; [Figure 3] 1 is a diagrammatic perspective view of a terminal body according to an exemplary embodiment of the present invention; [Figure 4] 1 is a diagrammatic perspective view of a springy contact according to an exemplary embodiment of the present invention; [Figure 5] 1 is a diagrammatic perspective view of a locking member according to an exemplary embodiment of the present invention; [Figure 6] 2 is a partial view of a terminal according to an exemplary embodiment of the present invention showing a first terminal strip. [Figure 7] 2 is a partial view of a terminal body according to an exemplary embodiment of the present invention, showing a first terminal strip. [Figure 8] FIG. 2 is a partial view of a terminal according to an exemplary embodiment of the present invention showing a second terminal strip. [Figure 9] FIG. 2 is a partial view of a terminal body according to an exemplary embodiment of the present invention, showing a second terminal strip. [Figure 10] FIG. 2 is a side view of a conductor welded to a terminal in accordance with an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0027] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. Like reference numerals refer to like elements throughout the drawings. However, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0028] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are diagrammatically shown to simplify the drawings.

[0029] According to a general aspect of the present invention, there is provided a terminal. The terminal includes a terminal body, two first elastic contacts, and two second elastic contacts. The terminal body includes a first terminal plate including a first mating portion and a second terminal plate including a second mating portion facing the first mating portion. The two first elastic contacts are mounted side by side on an inner surface of the first mating portion, each including a first elastic arm. The two second elastic contacts are mounted side by side on an inner surface of the second mating portion, each including a second elastic arm. The first elastic arm and the second elastic arm are adapted to clamp a mating terminal inserted between them to establish an electrical connection between the terminal and the mating terminal.

[0030] According to another general aspect of the present invention, there is provided a connector, the connector including a housing and the above-described terminals inserted into the housing.

[0031] According to another general aspect of the present invention, there is provided a connector assembly comprising the connector described above and a mating connector suitable for mating with the connector.

[0032] Fig. 1 is an illustrative perspective view of a terminal according to an exemplary embodiment of the present invention, Fig. 2 is an illustrative exploded view of a terminal according to an exemplary embodiment of the present invention, Fig. 3 is an illustrative perspective view of a terminal body 10 according to an exemplary embodiment of the present invention, and Fig. 4 is an illustrative perspective view of resilient contacts 210, 220 according to an exemplary embodiment of the present invention.

[0033] 1 to 4, in the illustrated embodiment, the terminal comprises a terminal body 10, two first resilient contacts 210, and two second resilient contacts 220. The terminal body 10 includes a first terminal board 110 and a second terminal board 120. The second terminal board 120 is superposed on the first terminal board 110, so that the terminal body 10 has a double-layer terminal plate structure.

[0034] 1 to 4, in the illustrated embodiment, first terminal board 110 includes a first mating portion 111. Second terminal board 120 includes a second mating portion 121 facing first mating portion 111. A predetermined gap is provided between first mating portion 111 and second mating portion 121 to allow insertion of a mating terminal (not shown) of a mating connector (not shown).

[0035] Figure 6 is a partial view of a terminal according to an exemplary embodiment of the present invention, showing a first terminal board 110. Figure 7 is a partial view of a terminal body according to an exemplary embodiment of the present invention, showing a first terminal board 110. Figure 8 is a partial view of a terminal according to an exemplary embodiment of the present invention, showing a second terminal board 120. Figure 9 is a partial view of a terminal body according to an exemplary embodiment of the present invention, showing a second terminal board 120.

[0036] 1 to 4 and 6 to 9, in the illustrated embodiment, the two first resilient contacts 210 are mounted side by side on the inner surface of the first mating portion 111 along the lateral direction X of the terminal body 10. Each of the two first resilient contacts 210 includes a row of first resilient arms 212 arranged along the longitudinal direction Y of the terminal body 10.

[0037] 1 to 4 and 6 to 9, in the illustrated embodiment, the two second resilient contacts 220 are mounted side by side on the inner surface of the second mating portion 121 along the lateral direction X of the terminal body 10. Each of the two second resilient contacts 220 includes a row of second resilient arms 222 arranged along the longitudinal direction Y of the terminal body 10.

[0038] As shown in Figures 1 to 4 and 6 to 9, in the illustrated embodiment, the first elastic arm 212 and the second elastic arm 222 are suitable for clamping a mating terminal inserted between the first elastic arm 212 and the second elastic arm 222 to realize an electrical connection between the terminal and the mating terminal.

[0039] 1 to 4 and 6 to 9, in the illustrated embodiment, the first resilient contact 210 also includes a pair of first side portions 211 extending along the longitudinal direction Y of the terminal body 10, and the first resilient arm 212 is connected between the pair of first side portions 211. Similarly, in the illustrated embodiment, the second resilient contact 220 also includes a pair of second side portions 221 extending along the longitudinal direction Y of the terminal body 10, and the second resilient arm 222 is connected between the pair of second side portions 221.

[0040] 1 to 4 and 6 to 9, in the illustrated embodiment, one of the pair of first side portions 211 is fixed to the inner surface of the first fitting portion 111, and the other is slidably supported on the inner surface of the first fitting portion 111. Similarly, in the illustrated embodiment, one of the pair of second side portions 221 is fixed to the inner surface of the second fitting portion 121, and the other is slidably supported on the inner surface of the second fitting portion 121.

[0041] As shown in FIGS. 1 to 4 and 6 to 9, in the illustrated embodiment, the first elastic arm 212 and the second elastic arm 222 extend along the lateral direction X of the terminal body 10 and make electrical contact with a mating terminal inserted along the lateral direction X of the terminal body 10.

[0042] 1 to 4 and 6 to 9, in the illustrated embodiment, the first and second resilient contacts 210 and 220 are identical and can be used interchangeably, thereby reducing manufacturing costs.

[0043] 1 to 4 and 6 to 9, in the illustrated embodiment, the first resilient contacts 210 and the second resilient contacts 220 are arranged alternately at a predetermined interval in the longitudinal direction Y of the terminal body 10, and the first resilient arms 212 and the second resilient arms 222 are not aligned in the lateral direction X of the terminal body 10. This improves electrical conductivity and reduces wear on the mating terminal.

[0044] 1 to 4 and 6 to 9, in the illustrated embodiment, a first support protrusion 11a is formed on the inner surface of the first fitting portion 111, and is used to support the inserted mating terminal and prevent the first elastic arm 212 from being excessively compressed by the mating terminal. Similarly, in the illustrated embodiment, a second support protrusion 12a is formed on the inner surface of the second fitting portion 111, and is used to support the inserted mating terminal and prevent the second elastic arm 222 from being excessively compressed by the mating terminal.

[0045] 1 to 4 and 6 to 9, in the illustrated embodiment, a first support rib 11b extending along the longitudinal direction Y of the terminal body 10 is formed on the inner surface of the first fitting portion 111, and the first support rib 11b is used to support the first elastic arm 212 and prevent excessive deformation of the first elastic arm 212. Similarly, in the illustrated embodiment, a second support rib 12b extending along the longitudinal direction Y of the terminal body 10 is formed on the inner surface of the second fitting portion 121, and the second support rib 12b is used to support the second elastic arm 222 and prevent excessive deformation of the second elastic arm 222.

[0046] FIG. 5 is an illustrative perspective view of a locking member 30 according to an exemplary embodiment of the present invention.

[0047] As shown in Figures 1 to 9, in the illustrated embodiment, the terminal also includes a locking member 30 attached to the ends of the first mating portion 111 and the second mating portion 121 of the terminal body 10 to lock the terminal to the connector housing (not shown).

[0048] 1 to 9, in the illustrated embodiment, the locking member 30 includes a bottom plate 311, an upper plate 312, and an end plate 320. The bottom plate 311 is fixed to the outside of the first fitting portion 111. The upper plate 312 is fixed to the outside of the second fitting portion 121. The end plate 320 is connected between the bottom plate 311 and the upper plate 312.

[0049] 1 to 9, in the illustrated embodiment, a first elastic clamp portion 331 bent inward into a C-shape is formed on a side edge portion of the bottom plate 311, and the first elastic clamp portion 331 is clamped to a side edge portion of the first fitting portion 111. Similarly, in the illustrated embodiment, a second elastic clamp portion 332 bent inward into a C-shape is formed on a side edge portion of the top plate 312, and the second elastic clamp portion 332 is clamped to a side edge portion of the second fitting portion 121.

[0050] 1 to 9, in the illustrated embodiment, a first recess 101 suitable for fitting with a first elastic clamping portion 331 is formed in a side edge of the first fitting portion 111, and the first elastic clamping portion 331 is locked in the first recess 101. Similarly, in the illustrated embodiment, a second recess 102 suitable for fitting with a second elastic clamping portion 332 is formed in a side edge of the second fitting portion 121, and the second elastic clamping portion 332 is locked in the second recess 102.

[0051] 1 to 9, in the illustrated embodiment, elastic locking sheets 34 are formed on the bottom plate 311 and / or the top plate 312 of the locking member 30. The elastic locking sheets 34 are adapted to engage with recesses in the connector housing to lock the terminals to the connector housing.

[0052] As shown in FIGS. 1 to 9, in the illustrated embodiment, outwardly protruding guide ribs 35 are formed on the bottom plate 311 and / or the top plate 312 of the locking member 30, and the guide ribs 35 are suitable for fitting into guide slots in the connector housing to guide the terminals for insertion into the connector housing.

[0053] FIG. 10 is a side view of a conductor 1 welded to a terminal according to an exemplary embodiment of the present invention.

[0054] 1 to 10, in the illustrated embodiment, the first fitting portion 111 and the second fitting portion 121 constitute the fitting portions 111, 121 of the terminal body 10, and the fitting portions 111, 121 have a longitudinal center line L. The longitudinal center line L passes through the geometric center of the cross section of the fitting portions 111, 121.

[0055] As shown in FIGS. 1 to 10 , in the illustrated embodiment, the terminal body 10 also includes weld portions 112, 122. The weld portions 112, 122 have weld surfaces 122a for welding to the conductor 1. The weld surfaces 122a are offset by a predetermined distance from the longitudinal center line L of the mating portions 111, 121 in a height direction Z perpendicular to the lateral direction X and longitudinal direction Y of the terminal body 10, so that the offset in the height direction Z between the longitudinal center line L′ of the conductor 1 (e.g., the conductor core of a wire) welded to the weld surfaces 122a and the longitudinal center line L of the mating portions 111, 121 is equal to zero or is smaller than a predetermined value. In this manner, conductivity between the terminal and the conductor 1 can be improved.

[0056] 1 to 10 , in the illustrated embodiment, the first terminal board 110 also includes a first welded portion 112 and a first bent portion 113 connected between the first welded portion 112 and the first fitting portion 111. Similarly, in the illustrated embodiment, the second terminal board 120 also includes a second welded portion 122 and a second bent portion 123 connected between the second welded portion 122 and the second fitting portion 121. The first welded portion 112 of the first terminal board 110 and the second welded portion 122 of the second terminal board 120 constitute the welded portions 112, 122 of the terminal body 10.

[0057] As shown in FIGS. 1 to 10 , in the illustrated embodiment, the first welded portion 112 and the second welded portion 122 are riveted together to ensure close contact. This reduces the contact resistance between the first welded portion 112 and the second welded portion 122. The exposed surface of the first welded portion 112 or the second welded portion 122 is used as the welding surface 122a. In the illustrated embodiment, the exposed surface of the second welded portion 122 is used as the welding surface 122a. However, the present invention is not limited to the illustrated embodiment. The welding surface 122a may be the exposed surface of the first welded portion 112. In this case, it is only necessary to change the bending direction of the first bent portion 113 and the second bent portion 123.

[0058] 1-10 , in the illustrated embodiment, the terminal body 10 also includes a third bend portion 130 connected between one side of the first weld portion 112 and one side of the second weld portion 122. In the illustrated embodiment, the entire terminal body 10 is a unitary part, for example, the entire terminal body 10 may be a unitary stamped part formed by stamping a single metal plate.

[0059] Although not shown, an exemplary embodiment of the present invention also discloses a connector, which includes a housing and the above-described terminals, the terminals being inserted into the housing.

[0060] Although not shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed, which includes a connector and a mating connector.

[0061] It should be understood by those skilled in the art that the above embodiments are illustrative and not restrictive. For example, those skilled in the art can make many modifications to the above embodiments without any contradiction in structure or principle, and can freely combine various features described in different embodiments with each other.

[0062] While several exemplary embodiments have been shown and described, it will be apparent to those skilled in the art that various changes or modifications can be made to these embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the following claims and their equivalents.

[0063] As used herein, elements described in the singular and preceded by the word "a" or "an" should be understood as not excluding a plurality of said elements or steps, unless such exclusion is expressly stated. Furthermore, references to "one embodiment" of the invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Furthermore, unless expressly stated otherwise, embodiments "comprising" or "having" an element or elements having a particular characteristic may include additional such elements that do not have that characteristic.

Claims

1. A terminal, The terminal is a first terminal board (110) including a first fitting portion (111); and a terminal body (10) including a second terminal board (120) including a second mating portion (121) facing the first mating portion (111); two first elastic contacts (210), the first elastic contacts (210) being mounted side by side on the inner surface of the first mating portion (111), each including a first elastic arm (212); two second elastic contacts (220), the second elastic contacts (220) being mounted side by side on the inner surface of the second mating portion (121), each including a second elastic arm (222); It is equipped with The first elastic arm (212) and the second elastic arm (222) are suitable for clamping a mating terminal inserted between the first elastic arm (212) and the second elastic arm (222) to realize an electrical connection between the terminal and the mating terminal. Terminal.

2. The first elastic contact (210) also includes a pair of first side portions (211) extending along the longitudinal direction (Y) of the terminal body (10), and the first elastic arm (212) is connected between the pair of first side portions (211), and / or 2. The terminal of claim 1, wherein the second elastic contact (220) also includes a pair of second side portions (221) extending along the longitudinal direction (Y) of the terminal body (10), and the second elastic arm (222) is connected between the pair of second side portions (221).

3. one of the pair of first side portions (211) is fixed to the inner surface of the first fitting portion (111), and the other is slidably supported on the inner surface of the first fitting portion (111); and / or One of the pair of second side portions (221) is fixed to the inner surface of the second fitting portion (121), and the other is slidably supported on the inner surface of the second fitting portion (121). The terminal according to claim 2 .

4. The first elastic arm (212) and the second elastic arm (222) extend along the lateral direction (X) of the terminal body (10) and electrically contact the mating terminal inserted along the lateral direction (X) of the terminal body (10). The terminal according to claim 1 .

5. The first elastic contact (210) and the second elastic contact (220) are identical and can be used interchangeably. The terminal according to claim 1 .

6. a first support protrusion (11a) is formed on the inner surface of the first fitting portion (111), and the first support protrusion (11a) is used to support the inserted mating terminal and prevent the first elastic arm (212) from being excessively compressed by the mating terminal; and / or a second support protrusion (12a) is formed on the inner surface of the second fitting portion (111), and the second support protrusion (12a) is used to support the inserted mating terminal and prevent the second elastic arm (222) from being excessively compressed by the mating terminal; The terminal according to claim 1 .

7. A first support rib (11b) extending along the longitudinal direction (Y) of the terminal body (10) is formed on the inner surface of the first fitting portion (111), and the first support rib (11b) is used to support the first elastic arm (212) and prevent the first elastic arm (212) from being excessively deformed; and / or A second support rib (12b) extending along the longitudinal direction (Y) of the terminal body (10) is formed on the inner surface of the second fitting portion (121), and the second support rib (12b) is used to support the second elastic arm (222) and prevent the second elastic arm (222) from being excessively deformed. The terminal according to claim 1 .

8. The connector further includes a locking member (30) fitted to the ends of the first fitting portion (111) and the second fitting portion (121) of the terminal body (10) to lock the terminal to the connector housing. The terminal according to claim 1 .

9. The locking member (30) is a bottom plate (311) fixed to the outside of the first fitting portion (111); an upper plate (312) fixed to the outside of the second fitting portion (121); an end plate (320) connected between the bottom plate (311) and the top plate (312); The terminal according to claim 8.

10. a first elastic clamping portion (331) bent inwardly into a C-shape is formed on a side edge of the bottom plate (311), and the first elastic clamping portion (331) is clamped to a side edge of the first fitting portion (111); and / or A second elastic clamping portion (332) bent inwardly into a C-shape is formed on the side edge of the upper plate (312), and the second elastic clamping portion (332) is clamped to the side edge of the second fitting portion (121). The terminal according to claim 9.

11. a first recess (101) suitable for fitting into the first elastic clamping portion (331) is formed on the side edge of the first fitting portion (111), and the first elastic clamping portion (331) is locked into the first recess (101); a second recess (102) suitable for fitting with the second elastic clamping portion (332) is formed on the side edge of the second fitting portion (121), and the second elastic clamping portion (332) is locked in the second recess (102); The terminal according to claim 10.

12. an elastic locking seat (34) is formed on the bottom plate (311) and / or the top plate (312) of the locking member (30), the elastic locking seat (34) being adapted to engage with a recess in the connector housing to lock the terminal to the connector housing; and / or a guide rib (35) formed on the bottom plate (311) and / or the top plate (312) of the locking member (30), the guide rib (35) being adapted to fit into a guide slot of the connector housing to guide the terminal into the connector housing; The terminal according to claim 9.

13. The two first elastic contacts (210) are mounted side by side on the inner surface of the first mating portion (111) along the transverse direction (X) of the terminal body (10), and each includes a row of first elastic arms (212) arranged along the longitudinal direction (Y) of the terminal body (10); The two second elastic contacts (220) are mounted side by side on the inner surface of the second mating portion (121) along the transverse direction (X) of the terminal body (10), and each includes a row of second elastic arms (222) arranged along the longitudinal direction (Y) of the terminal body (10). A terminal according to any one of claims 1 to 12.

14. The first fitting portion (111) and the second fitting portion (121) constitute a fitting portion (111, 121) of the terminal body (10), and the fitting portion (111, 121) has a longitudinal center line (L), The terminal body (10) also includes welding portions (112, 122), each having a welding surface (122a) for welding to a conductor (1), the welding surface (122a) being offset by a predetermined distance in a height direction (Z) perpendicular to the transverse direction (X) and longitudinal direction (Y) of the terminal body (10) with respect to a longitudinal center line (L) of the mating portion (111, 121), such that a deviation in the height direction (Z) between the longitudinal center line (L') of the conductor (1) welded to the welding surface (122a) and the longitudinal center line (L) of the mating portion (111, 121) is equal to zero or is smaller than a predetermined value. A terminal according to any one of claims 1 to 12.

15. The first elastic contact (210) and the second elastic contact (220) are staggered at a predetermined distance in the longitudinal direction (Y) of the terminal body (10), and the first elastic arm (212) and the second elastic arm (222) are not aligned in the lateral direction (X) of the terminal body (10). A terminal according to any one of claims 1 to 12.

16. The first terminal board (110) also includes a first welded portion (112) and a first bent portion (113) connected between the first welded portion (112) and the first fitting portion (111); The second terminal plate (120) also includes a second welded portion (122) and a second bent portion (123) connected between the second welded portion (122) and the second fitting portion (121); 15. The terminal of claim 14, wherein the terminal body (10) also includes a third bend portion (130) connected between one side of the first weld portion (112) and one side of the second weld portion (122).

17. Housing and The terminal according to any one of claims 1 to 12, inserted into the housing; A connector comprising:

18. The connector of claim 17; a mating connector suitable for mating with the connector; A connector assembly comprising:

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