Terminal, connector and connector assembly

Abstract

The invention discloses a terminal, a connector and a connector assembly. The terminal comprises a single terminal plate which is provided with a top surface and a bottom surface opposite to each other in the thickness direction and is provided with a clamping groove; the limiting shell is mounted on the terminal plate and comprises a top plate located above the top surface of the terminal plate and a bottom plate attached to the bottom surface of the terminal plate; and the elastic contact piece is mounted on the top surface of the terminal plate, faces the top plate of the limiting shell and is used for being electrically contacted with a matched terminal inserted between the elastic contact piece and the top plate of the limiting shell. An elastic buckle is formed on the limiting shell, and the elastic buckle is connected with a clamping groove in the terminal board so that the limiting shell can be locked to the terminal board. In each exemplary embodiment of the invention, the terminal body of the terminal only comprises a single terminal plate, so that the structure of the terminal is simplified, and the production cost and the manufacturing difficulty are reduced. In addition, the terminal of the invention can be in reliable electric contact with a mating terminal in a vibration environment.

Description

Technical Field

[0001] The present invention relates to a terminal, in particular to a terminal for a high-voltage connector. In addition, the present invention also relates to a connector including the terminal and a connector assembly including the connector. Background Art

[0002] In the prior art, high-voltage connector terminals typically include a terminal body, a pair of elastic contacts, and a retaining housing. The terminal body includes two terminal plates. A gap is defined between the two terminal plates to allow insertion of a mating terminal. A pair of elastic contacts are positioned in the gap between the two terminal plates and fixed to the inner side surfaces of the two terminal plates, respectively, to clamp the mating terminal inserted between them and achieve electrical connection between the two terminals. The retaining housing is fitted over the two terminal plates of the terminal body to lock the terminal into the connector housing.

[0003] In the prior art, the terminal body consists of two terminal plates, resulting in a complex structure, high production costs, and significant manufacturing difficulties. Furthermore, in the prior art, vibration can cause the gap between the two terminal plates to shift, leading to poor electrical contact between the terminal and its mating terminal. Consequently, existing high-voltage connector terminals are not suitable for use in vibrating environments. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0005] According to one aspect of the present invention, a terminal is provided. The terminal comprises: a single terminal plate having a top surface and a bottom surface opposite to each other in the thickness direction thereof and formed with a slot; a limiting shell mounted on the terminal plate and comprising a top plate located above the top surface of the terminal plate and a bottom plate resting on the bottom surface of the terminal plate; an elastic contact member mounted on the top surface of the terminal plate and facing the top plate of the limiting shell, for electrically contacting a mating terminal inserted between the elastic contact member and the top plate of the limiting shell. An elastic buckle is formed on the bottom plate of the limiting shell, and the elastic buckle engages with the slot on the terminal plate to lock the limiting shell to the terminal plate.

[0006] According to another exemplary embodiment of the present invention, the slot is formed on the bottom surface or the top surface of the terminal board, and the elastic clip engages with the slot on the bottom surface or the top surface of the terminal board to lock the limiting shell to the terminal board.

[0007] According to another exemplary embodiment of the present invention, the terminal board has a front end and a rear end relative to each other in the longitudinal direction, and the limiting shell is suitable for being inserted from the front end of the terminal board to the front end portion of the terminal board along the longitudinal direction; the elastic clip is in the shape of a spring extending obliquely toward the interior of the limiting shell, and has a rear end connected to the bottom plate and a front end resting on the inner side of the slot.

[0008] According to another exemplary embodiment of the present invention, the limiting housing has two openings opposite to each other in the transverse direction of the terminal board, so as to allow the mating terminal to be inserted between the elastic contact piece and the top plate of the limiting housing in the transverse direction of the terminal board.

[0009] According to another exemplary embodiment of the present invention, a plurality of elastic clips are formed on the bottom plate of the limiting housing, a plurality of slots are formed on the bottom surface of the terminal board, and the plurality of elastic clips are respectively engaged with the plurality of slots.

[0010] According to another exemplary embodiment of the present invention, the multiple card slots are symmetrically distributed on the two side portions of the bottom surface of the terminal board that are opposite in the horizontal direction; and the multiple elastic clips are symmetrically distributed on the two side portions of the bottom plate of the limiting shell that are opposite in the horizontal direction.

[0011] According to another exemplary embodiment of the present invention, the limiting shell further includes: a front side plate, connected between the front sides of the top plate and the bottom plate of the limiting shell and resting on the front end surface of the terminal plate, a positioning slot is formed on the front side plate of the limiting shell, and a positioning protrusion is formed on the front end surface of the terminal plate, the positioning protrusion cooperates with the positioning slot to position the limiting shell in the transverse direction and the thickness direction.

[0012] According to another exemplary embodiment of the present invention, the limiting shell further includes: a left connecting plate, located on the left side of the rear end of the limiting shell and connected between the left side of the top plate and the bottom plate of the limiting shell; and a right connecting plate, located on the right side of the rear end of the limiting shell and connected between the right side of the top plate and the bottom plate of the limiting shell, the left connecting plate and the right connecting plate are opposite to each other in the transverse direction and respectively abut against the left and right sides of the terminal plate.

[0013] According to another exemplary embodiment of the present invention, the limiting shell further includes: a rear limiting portion connected to the rear side of the bottom plate of the limiting shell and forming a limiting groove, and the side edge of the terminal board is engaged in the limiting groove of the rear limiting portion.

[0014] According to another exemplary embodiment of the present invention, the rear limiting portion includes: a limiting bottom plate, which is connected to the rear side of the bottom plate of the limiting shell and rests on the bottom surface of the side portion of the terminal plate; a limiting top plate, which is opposite to the limiting bottom plate and rests on the top surface of the side portion of the terminal plate; and a limiting side plate, which is connected between the limiting bottom plate and one side of the limiting top plate and rests on the side surface of the side portion of the terminal plate.

[0015] According to another exemplary embodiment of the present invention, the limit shell further includes: a rear limit plate connected to the rear side of the top plate of the limit shell, the lower side of the rear limit plate abuts against the top surface of the terminal plate, and the rear limit plate and the rear limit portion are respectively close to the left connecting plate and the right connecting plate.

[0016] According to another exemplary embodiment of the present invention, at least one inwardly protruding rib is formed on the top plate of the limiting shell, and the rib extends laterally along the terminal plate, and is used to apply a predetermined pressure on the inserted mating terminal so that the mating terminal can make reliable electrical contact with the elastic contact piece.

[0017] According to another exemplary embodiment of the present invention, the limiting shell also includes a pair of side plates opposite to each other in the transverse direction of the terminal plate, and the side plates are connected between the top plate and the bottom plate; the limiting shell has a front opening and a rear opening opposite to each other in the longitudinal direction of the terminal plate, so as to allow the mating terminal to be inserted between the elastic contact piece and the top plate of the limiting shell through the front opening along the longitudinal direction of the terminal plate.

[0018] According to another exemplary embodiment of the present invention, a plurality of elastic clips are formed on the bottom plate of the limiting housing, a plurality of slots are formed on the top surface of the terminal board, and the plurality of elastic clips are respectively engaged with the plurality of slots.

[0019] According to another exemplary embodiment of the present invention, the multiple card slots are symmetrically distributed on the two side portions of the top surface of the terminal board that are opposite in the horizontal direction; and the multiple elastic clips are symmetrically distributed on the two sides of the bottom plate of the limiting shell that are opposite in the horizontal direction.

[0020] According to another exemplary embodiment of the present invention, an elastic locking piece is formed on the top plate of the limiting shell, and the elastic locking piece extends obliquely rearward and outward for engaging with the housing of the connector to lock the terminal in the housing of the connector.

[0021] According to another exemplary embodiment of the present invention, a plurality of inwardly protruding bumps are further formed on the top plate of the limiting shell, and the plurality of bumps are used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact piece.

[0022] According to another exemplary embodiment of the present invention, the limit housing is a one-piece stamped part, and the bottom plate of the limit housing has a pair of splicing edges, each of which is formed with a groove and a protrusion suitable for engaging with each other. The groove and protrusion on the pair of splicing edges are in a dovetail shape, a T shape, or an Ω shape.

[0023] According to another exemplary embodiment of the present invention, the terminal board has a front end and a rear end relative to each other in the longitudinal direction, and the limiting shell is suitable for being inserted from the front end of the terminal board to the front end portion of the terminal board along the longitudinal direction; the card slots are respectively formed on the front side, left side and right side of the terminal board, and the elastic clips are respectively formed on the front side, left side and right side of the bottom plate of the limiting shell; the elastic clip is in the shape of a C-shaped elastic clip, and the elastic clip is clamped into the card slot and clamped to the side of the terminal board to lock the limiting shell to the terminal board.

[0024] According to another exemplary embodiment of the present invention, the limiting shell has a front opening and a rear opening relative to each other in the longitudinal direction of the terminal plate, so as to allow the mating terminal to be inserted between the elastic contact piece and the top plate of the limiting shell through the front opening along the longitudinal direction of the terminal plate.

[0025] According to another exemplary embodiment of the present invention, the limiting shell further includes a pair of side plates opposite to each other in its transverse direction, and the side plates are connected between the top plate and the bottom plate; and a side opening is formed on one of the pair of side plates of the limiting shell to allow the mating terminal to be inserted between the elastic contact piece and the top plate of the limiting shell through the side opening along the transverse direction of the terminal plate.

[0026] According to another exemplary embodiment of the present invention, the base plate has a rear end portion extending backward beyond the pair of side plates and the top plate, and the elastic clips on the left and right sides of the base plate are respectively located on the left and right sides of the rear end portion of the base plate.

[0027] According to another exemplary embodiment of the present invention, an elastic locking piece is formed on the top plate of the limiting shell, and the elastic locking piece extends obliquely rearward and outward for engaging with the housing of the connector to lock the terminal in the housing of the connector.

[0028] According to another exemplary embodiment of the present invention, a row of elastic pressing arms is formed on the inner side of the top plate of the limiting shell, and the row of elastic pressing arms is used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact piece.

[0029] According to another exemplary embodiment of the present invention, the limiting shell is an integral stamping part, the bottom plate of the limiting shell is a single-layer bottom plate, and the top plate of the limiting shell includes a double-layer top plate stacked together.

[0030] According to another exemplary embodiment of the present invention, the elastic contact member includes a plurality of elastic arms extending along the transverse direction of the terminal board, and the plurality of elastic arms are arranged in a row along the longitudinal direction of the terminal board; the plurality of elastic arms of the elastic contact member are used to simultaneously make electrical contact with the mating terminals inserted along the transverse direction of the terminal board.

[0031] According to another exemplary embodiment of the present invention, the elastic contact member also includes a first side portion and a second side portion opposite to each other in the transverse direction of the terminal plate, and the first side portion and the second side portion extend along the longitudinal direction of the terminal plate; the multiple elastic arms are connected between the first side portion and the second side portion, and one of the first side portion and the second side portion is riveted to the terminal plate, and the other is slidably supported on the terminal plate.

[0032] According to another exemplary embodiment of the present invention, a first supporting protrusion and a second supporting protrusion are formed on the top surface of the terminal board, the first supporting protrusion is adjacent to the first side portion of the elastic contact piece, and the second supporting protrusion is adjacent to the second side portion of the elastic contact piece; the first supporting protrusion and the second supporting protrusion are used to support the inserted mating terminal to prevent the elastic arm of the elastic contact piece from being excessively squeezed by the mating terminal.

[0033] According to another exemplary embodiment of the present invention, a guiding slope is formed on the first supporting protrusion for guiding the mating terminal to be inserted between the elastic contact piece and the top plate of the limiting housing.

[0034] According to another exemplary embodiment of the present invention, a supporting rib extending longitudinally thereof is further formed on the terminal board, and the supporting rib is located below the elastic arm of the elastic contact piece and is used to support the elastic arm of the elastic contact piece to prevent the elastic arm of the elastic contact piece from being excessively deformed.

[0035] According to another aspect of the present invention, a connector is provided, comprising: a housing; and the aforementioned terminals, wherein the terminals are inserted into 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 adapted to mate with the connector. The mating connector comprises: a mating housing adapted to mate with the connector housing; and a mating terminal adapted to be inserted between the resilient contact of the connector and the top plate of the retaining housing to electrically contact the resilient contact of the connector.

[0037] In the aforementioned exemplary embodiments of the present invention, the terminal body of the terminal comprises only a single terminal plate, thereby simplifying the terminal structure, reducing production costs and manufacturing difficulty. Moreover, the terminal of the present invention can also maintain reliable electrical contact with the mating terminal in a vibrating environment.

[0038] 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

[0039] Figure 1 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the top;

[0040] Figure 2 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the bottom;

[0041] Figure 3 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the rear side;

[0042] Figure 4 An exploded schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the bottom;

[0043] Figure 5 An exploded schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the top;

[0044] Figure 6 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top;

[0045] Figure 7 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the bottom;

[0046] Figure 8 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the rear side;

[0047] Figure 9 A perspective schematic diagram showing a limiting housing of a terminal according to another exemplary embodiment of the present invention;

[0048] Figure 10 An exploded schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top;

[0049] Figure 11A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top;

[0050] Figure 12 An exploded schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from one side;

[0051] Figure 13 An exploded schematic diagram showing a terminal according to yet another exemplary embodiment of the present invention when viewed from another side. DETAILED DESCRIPTION

[0052] The technical solution of the present invention will be further described in detail below through 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 limiting the present invention.

[0053] In addition, in the following detailed description, for ease of explanation, numerous specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown in diagrammatic form to simplify the accompanying drawings.

[0054] According to an overall technical concept of the present invention, a terminal is provided. The terminal includes: a single terminal plate having a top surface and a bottom surface opposite to each other in the thickness direction thereof and formed with a card slot; a limiting shell installed on the terminal plate and including a top plate located above the top surface of the terminal plate and a bottom plate resting on the bottom surface of the terminal plate; an elastic contact member installed on the top surface of the terminal plate and facing the top plate of the limiting shell, for electrically contacting a mating terminal inserted between the elastic contact member and the top plate of the limiting shell. An elastic snap is formed on the limiting shell, and the elastic snap engages with the card slot on the terminal plate to lock the limiting shell to the terminal plate.

[0055] According to another general technical concept of the present invention, a connector is provided, comprising: a housing; and the aforementioned terminals, wherein the terminals are inserted into the housing.

[0056] According to another general technical concept of the present invention, a connector assembly is provided. The connector assembly comprises: the aforementioned connector; and a mating connector adapted to mate with the connector. The mating connector comprises: a mating housing adapted to mate with the housing of the connector; and a mating terminal adapted to be inserted between the resilient contact of the connector and the top plate of the retaining housing to electrically contact the resilient contact of the connector.

[0057] First embodiment

[0058] Figures 1 to 5 The first embodiment according to the present invention is shown. Figure 1 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the top; Figure 2 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 3 A perspective schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the rear side; Figure 4 An exploded schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 5 An exploded schematic diagram showing a terminal according to an exemplary embodiment of the present invention when viewed from the top is shown.

[0059] like Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a terminal is disclosed. The terminal includes: a single terminal plate 1, a limiting shell 2 and an elastic contact 3. The single terminal plate 1 has a top surface and a bottom surface opposite to each other in its thickness direction Z and a card slot 130 is formed on its bottom surface. The limiting shell 2 is mounted on the terminal plate 1 and includes a top plate 20 located above the top surface of the terminal plate 1 and a bottom plate 23 abutting against the bottom surface of the terminal plate 1. The elastic contact 3 is mounted on the top surface of the terminal plate 1 and faces the top plate 20 of the limiting shell 2, and is used to electrically contact the mating terminal inserted between the elastic contact 3 and the top plate 20 of the limiting shell 2. An elastic snap 230 is formed on the limiting shell 2, and the elastic snap 230 engages with the card slot 130 on the bottom surface of the terminal plate 1 to lock the limiting shell 2 to the terminal plate 1. In the illustrated embodiment, the terminal and the inserted mating terminal are electrically connected to each other via the elastic contact 3.

[0060] However, the present invention is not limited to the illustrated embodiments. For example, in an exemplary embodiment of the present invention, the slot 130 may also be formed on the top surface of the terminal board 1. The elastic clip 230 may engage with the slot 130 formed on the top surface of the terminal board 1 to lock the limiting shell 2 to the terminal board 1. In another exemplary embodiment of the present invention, the slot 130 may be formed on both the bottom and top surfaces of the terminal board 1, and the bottom plate 23 of the limiting shell 2 has a plurality of elastic clips 230 that respectively engage with the slots 130 on the bottom and top surfaces of the terminal board 1.

[0061] like Figures 1 to 5As shown, in the illustrated embodiment, an elastic clip 230 is formed on the bottom plate 23 of the limiting housing 2. The terminal board 1 has a front end and a rear end opposite to each other in the longitudinal direction Y thereof, and the limiting housing 2 is adapted to be fitted from the front end of the terminal board 1 to the front end thereof along the longitudinal direction Y. The elastic clip 230 is in the shape of a spring extending obliquely toward the interior of the limiting housing 2, and has a rear end connected to the bottom plate 23 and a front end 230a that abuts against the inner side surface 132 of the slot 130.

[0062] like Figures 1 to 5 As shown, in the illustrated embodiment, the limiting housing 2 has two openings opposite to each other in the transverse direction X of the terminal board 1 to allow the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting housing 2 along the transverse direction X of the terminal board 1 .

[0063] like Figures 1 to 5 As shown, in the illustrated embodiment, a plurality of elastic clips 230 are formed on the bottom plate 23 of the limiting shell 2, and a plurality of slots 130 are formed on the bottom surface of the terminal board 1, and the plurality of elastic clips 230 are respectively engaged with the plurality of slots 130.

[0064] like Figures 1 to 5 As shown, in the illustrated embodiment, a plurality of slots 130 are symmetrically distributed on two side portions of the bottom surface of the terminal board 1 that are opposite in the transverse direction X. A plurality of elastic buckles 230 are symmetrically distributed on two side portions of the bottom plate 23 of the limiting housing 2 that are opposite in the transverse direction X.

[0065] like Figures 1 to 5 As shown, in the illustrated embodiment, the limiting housing 2 further includes a front side plate 21, which is connected between the front sides of the top plate 20 and the bottom plate 23 of the limiting housing 2 and abuts against the front end surface of the terminal board 1. A positioning slot 21a is formed on the front side plate 21 of the limiting housing 2, and a positioning protrusion 11a is formed on the front end surface of the terminal board 1. The positioning protrusion 11a cooperates with the positioning slot 21a to position the limiting housing 2 in the transverse direction X and the thickness direction Z.

[0066] like Figures 1 to 5 As shown, in the illustrated embodiment, the limiting housing 2 further includes: a left connecting plate 22 and a right connecting plate 24. The left connecting plate 22 is located on the left side of the rear end of the limiting housing 2 and is connected between the top plate 20 and the left side of the bottom plate 23 of the limiting housing 2. The right connecting plate 24 is located on the right side of the rear end of the limiting housing 2 and is connected between the top plate 20 and the right side of the bottom plate 23 of the limiting housing 2. The left connecting plate 22 and the right connecting plate 24 are opposite to each other in the transverse direction X and respectively abut against the left and right sides of the terminal block 1.

[0067] like Figures 1 to 5As shown, in the illustrated embodiment, the limiting shell 2 also includes a rear limiting portion 25, which is connected to the rear side of the bottom plate 23 of the limiting shell 2 and forms a limiting groove 25a, and the side portion of the terminal board 1 is engaged in the limiting groove 25a of the rear limiting portion 25.

[0068] like Figures 1 to 5 As shown, in the illustrated embodiment, the rear limiting portion 25 includes: a limiting bottom plate 251, a limiting top plate 252, and a limiting side plate 253. The limiting bottom plate 251 is connected to the rear side of the bottom plate 23 of the limiting shell 2 and abuts against the bottom surface of the side portion of the terminal board 1. The limiting top plate 252 is opposite to the limiting bottom plate 251 and abuts against the top surface of the side portion of the terminal board 1. The limiting side plate 253 is connected between the limiting bottom plate 251 and one side of the limiting top plate 252 and abuts against the side surface of the side portion of the terminal board 1.

[0069] like Figures 1 to 5 As shown, in the illustrated embodiment, the limiting housing 2 further includes a rear limiting plate 26, which is connected to the rear side of the top plate 20 of the limiting housing 2. The lower side of the rear limiting plate 26 abuts against the top surface of the terminal block 1, and the rear limiting plate 26 and the rear limiting portion 25 are respectively close to the left connecting plate 22 and the right connecting plate 24.

[0070] like Figures 1 to 5 As shown, in the illustrated embodiment, at least one inwardly protruding rib 2a is formed on the top plate 20 of the limiting shell 2, and the rib 2a extends along the transverse direction X of the terminal board 1, and is used to apply a predetermined pressure on the inserted mating terminal so that the mating terminal and the elastic contact member 3 can be reliably electrically contacted.

[0071] like Figures 1 to 5 As shown, in the illustrated embodiment, an elastic locking piece 2b is formed on the top plate 20 of the limiting shell 2, and the elastic locking piece 2b extends obliquely rearward and outward for engaging with the housing of the connector to lock the terminal in the housing of the connector.

[0072] like Figures 1 to 5 As shown, in the illustrated embodiment, a plurality of inwardly protruding bumps 2c are further formed on the top plate 20 of the limiting shell 2, and the plurality of bumps 2c are used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact member 3.

[0073] like Figures 1 to 5 As shown, in the illustrated embodiment, the elastic contact member 3 includes a plurality of elastic arms 30 extending along the transverse direction X of the terminal board 1, and the plurality of elastic arms 30 are arranged in a row along the longitudinal direction Y of the terminal board 1. The plurality of elastic arms 30 of the elastic contact member 3 are used to simultaneously electrically contact the mating terminals inserted along the transverse direction X of the terminal board 1.

[0074] like Figures 1 to 5As shown, in the illustrated embodiment, the elastic contact member 3 further includes a first side portion 31 and a second side portion 32 that are opposite to each other in the transverse direction X of the terminal board 1, and the first side portion 31 and the second side portion 32 extend along the longitudinal direction Y of the terminal board 1. A plurality of elastic arms 30 are connected between the first side portion 31 and the second side portion 32, and one of the first side portion 31 and the second side portion 32 is riveted to the terminal board 1, and the other is slidably supported on the terminal board 1.

[0075] like Figures 1 to 5 As shown, in the illustrated embodiment, a first supporting protrusion 121 and a second supporting protrusion 122 are formed on the top surface of the terminal board 1. The first supporting protrusion 121 is adjacent to the first side portion 31 of the elastic contact member 3, and the second supporting protrusion 122 is adjacent to the second side portion 32 of the elastic contact member 3. The first supporting protrusion 121 and the second supporting protrusion 122 are used to support the inserted mating terminal to prevent the elastic arm 30 of the elastic contact member 3 from being excessively squeezed by the mating terminal.

[0076] like Figures 1 to 5 As shown, in the illustrated embodiment, a guiding slope 121 a is formed on the first supporting protrusion 121 for guiding the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting housing 2 .

[0077] like Figures 1 to 5 As shown, in the illustrated embodiment, a support rib 15a extending along the longitudinal direction Y thereof is further formed on the terminal board 1, and the support rib 15a is located below the elastic arm 30 of the elastic contact piece 3 and is used to support the elastic arm 30 of the elastic contact piece 3 to prevent the elastic arm 30 of the elastic contact piece 3 from excessive deformation.

[0078] like Figures 1 to 5 As shown, in the illustrated embodiment, the limiting shell 2 is an integral stamping part, and the bottom plate 23 of the limiting shell 2 has a pair of splicing edges 23a, on which grooves 23b and protrusions 23c suitable for engaging with each other are respectively formed.

[0079] like Figures 1 to 5 As shown, in the illustrated embodiment, the groove 23b and the protrusion 23c on a pair of splicing edges 23a are in a dovetail shape, a T shape or an Ω shape.

[0080] like Figures 1 to 5 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: a housing (not shown) and terminals. The terminals are inserted into the housing.

[0081] like Figures 1 to 5As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes a connector and a mating connector. The mating connector is adapted to mate with the connector. The mating connector includes a mating housing and a mating terminal. The mating housing is adapted to mate with the connector housing. The mating terminal is adapted to be inserted between the elastic contact member 3 of the connector and the top plate 20 of the retaining housing 2 to electrically contact the elastic contact member 3 of the connector.

[0082] Second embodiment

[0083] Figures 6 to 10 A second embodiment according to the present invention is shown. Figure 6 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top; Figure 7 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the bottom; Figure 8 A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the rear side; Figure 9 A perspective schematic diagram showing a terminal limiting housing 2 according to another exemplary embodiment of the present invention; Figure 10 An exploded schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top is shown.

[0084] like Figures 6 to 10 As shown, in an exemplary embodiment of the present invention, a terminal is disclosed. The terminal includes: a single terminal board 1, a limiting shell 2 and an elastic contact 3. The single terminal board 1 has a top surface and a bottom surface opposite to each other in its thickness direction Z and is formed with a card slot 130. The limiting shell 2 is mounted on the terminal board 1 and includes a top plate 20 located above the top surface of the terminal board 1 and a bottom plate 23 abutting against the bottom surface of the terminal board 1. The elastic contact 3 is mounted on the top surface of the terminal board 1 and faces the top plate 20 of the limiting shell 2, and is used to electrically contact the mating terminal inserted between the elastic contact 3 and the top plate 20 of the limiting shell 2. An elastic snap 230 is formed on the bottom plate 23 of the limiting shell 2, and the elastic snap 230 engages with the card slot 130 on the terminal board 1 to lock the limiting shell 2 to the terminal board 1. In the illustrated embodiment, the terminal and the inserted mating terminal are electrically connected to each other via the elastic contact 3.

[0085] like Figures 6 to 10As shown, in the illustrated embodiment, the terminal board 1 has a front end and a rear end relative to each other in the longitudinal direction Y thereof, and the limiting shell 2 is adapted to be fitted from the front end of the terminal board 1 to the front end portion of the terminal board 1 along the longitudinal direction Y. Slots 130 are respectively formed on the front side, left side, and right side of the terminal board 1, and elastic clips 230 are respectively formed on the front side, left side, and right side of the bottom plate 23 of the limiting shell 2. The elastic clip 230 is in the shape of a C-shaped elastic clip, and the elastic clip 230 is clamped into the slot 130 and clamped to the side of the terminal board 1 to lock the limiting shell 2 to the terminal board 1.

[0086] like Figures 6 to 10 As shown, in the illustrated embodiment, the limiting shell 2 has a front opening and a rear opening relative to each other in the longitudinal direction X of the terminal board 1, so as to allow the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting shell 2 through the front opening along the longitudinal direction Y of the terminal board 1.

[0087] like Figures 6 to 10 As shown, in the illustrated embodiment, the limiting housing 2 further includes a pair of side plates 27 that are opposite in the transverse direction X thereof, and the side plates 27 are connected between the top plate 20 and the bottom plate 23. A side opening is formed on one of the pair of side plates 27 of the limiting housing 2 to allow the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting housing 2 through the side opening along the transverse direction X of the terminal board 1.

[0088] like Figures 6 to 10 As shown, in the illustrated embodiment, the bottom plate 23 has a rear end portion that extends rearward beyond the pair of side plates and the top plate 20. The elastic clips 230 on the left and right sides of the bottom plate 23 are located on the left and right sides of the rear end portion of the bottom plate 23, respectively. Thus, the elastic clips 230 on the left and right sides of the bottom plate 23 do not hinder the insertion of the mating terminal between the elastic contact member 3 and the top plate 20 of the limiting housing 2 through the side opening.

[0089] like Figures 6 to 10 As shown, in the illustrated embodiment, an elastic locking piece 2b is formed on the top plate 20 of the limiting shell 2, and the elastic locking piece 2b extends obliquely rearward and outward for engaging with the housing of the connector to lock the terminal in the housing of the connector.

[0090] like Figures 6 to 10 As shown, in the illustrated embodiment, a row of elastic pressing arms 28 is formed on the inner side of the top plate 20 of the limiting shell 2, and the row of elastic pressing arms 28 is used to apply a predetermined pressure on the inserted mating terminal so that the mating terminal and the elastic contact member 3 are in reliable electrical contact.

[0091] like Figures 6 to 10As shown, in the illustrated embodiment, the limiting shell 2 is an integral stamping part, the bottom plate 23 of the limiting shell 2 is a single-layer bottom plate, and the top plate 23 of the limiting shell 2 includes a double-layer top plate stacked together, which can be snapped or riveted together.

[0092] like Figures 6 to 10 As shown, in the illustrated embodiment, the elastic contact member 3 includes a plurality of elastic arms 30 extending along the transverse direction X of the terminal board 1, and the plurality of elastic arms 30 are arranged in a row along the longitudinal direction Y of the terminal board 1. The plurality of elastic arms 30 of the elastic contact member 3 are used to simultaneously electrically contact the mating terminals inserted along the transverse direction X of the terminal board 1.

[0093] like Figures 6 to 10 As shown, in the illustrated embodiment, the elastic contact member 3 further includes a first side portion 31 and a second side portion 32 that are opposite to each other in the transverse direction X of the terminal board 1, and the first side portion 31 and the second side portion 32 extend along the longitudinal direction Y of the terminal board 1. A plurality of elastic arms 30 are connected between the first side portion 31 and the second side portion 32, and one of the first side portion 31 and the second side portion 32 is riveted to the terminal board 1, and the other is slidably supported on the terminal board 1.

[0094] like Figures 6 to 10 As shown, in the illustrated embodiment, a first supporting protrusion 121 and a second supporting protrusion 122 are formed on the top surface of the terminal board 1. The first supporting protrusion 121 is adjacent to the first side portion 31 of the elastic contact member 3, and the second supporting protrusion 122 is adjacent to the second side portion 32 of the elastic contact member 3. The first supporting protrusion 121 and the second supporting protrusion 122 are used to support the inserted mating terminal to prevent the elastic arm 30 of the elastic contact member 3 from being excessively squeezed by the mating terminal.

[0095] like Figures 6 to 10 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: a housing (not shown) and terminals. The terminals are inserted into the housing.

[0096] like Figures 6 to 10 As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes a connector and a mating connector. The mating connector is adapted to mate with the connector. The mating connector includes a mating housing and a mating terminal. The mating housing is adapted to mate with the connector housing. The mating terminal is adapted to be inserted between the elastic contact member 3 of the connector and the top plate 20 of the retaining housing 2 to electrically contact the elastic contact member 3 of the connector.

[0097] Third embodiment

[0098] Figures 11 to 13 A third embodiment according to the present invention is shown. Figure 11A perspective schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from the top; Figure 12 An exploded schematic diagram showing a terminal according to another exemplary embodiment of the present invention when viewed from one side; Figure 13 An exploded schematic diagram showing a terminal according to yet another exemplary embodiment of the present invention when viewed from another side.

[0099] like Figures 11 to 13 As shown, in an exemplary embodiment of the present invention, a terminal is disclosed. The terminal includes: a single terminal plate 1, a limiting shell 2 and an elastic contact 3. The single terminal plate 1 has a top surface and a bottom surface opposite to each other in its thickness direction Z and a card slot 130 is formed on its top surface. The limiting shell 2 is mounted on the terminal plate 1 and includes a top plate 20 located above the top surface of the terminal plate 1 and a bottom plate 23 abutting against the bottom surface of the terminal plate 1. The elastic contact 3 is mounted on the top surface of the terminal plate 1 and faces the top plate 20 of the limiting shell 2, and is used to electrically contact the mating terminal inserted between the elastic contact 3 and the top plate 20 of the limiting shell 2. An elastic snap 230 connected to its bottom plate 23 is formed on the limiting shell 2, and the elastic snap 230 engages with the card slot 130 on the top surface of the terminal plate 1 to lock the limiting shell 2 to the terminal plate 1. In the illustrated embodiment, the terminal and the inserted mating terminal are electrically connected to each other via the elastic contact 3.

[0100] However, the present invention is not limited to the illustrated embodiments. For example, in an exemplary embodiment of the present invention, the slot 130 may also be formed on the bottom surface of the terminal board 1. The elastic clip 230 may engage with the slot 130 formed on the bottom surface of the terminal board 1 to lock the limiting housing 2 to the terminal board 1. In another exemplary embodiment of the present invention, the slot 130 may be formed on both the bottom and top surfaces of the terminal board 1, and the limiting housing 2 has a plurality of elastic clips 230 that respectively engage with the slots 130 on the bottom and top surfaces of the terminal board 1.

[0101] like Figures 11 to 13 As shown, in the illustrated embodiment, the terminal board 1 has a front end and a rear end opposite to each other in the longitudinal direction Y thereof, and the limiting housing 2 is adapted to be fitted from the front end of the terminal board 1 to the front end portion thereof along the longitudinal direction Y. The elastic clip 230 is in the shape of a spring extending obliquely toward the interior of the limiting housing 2, and has a connecting portion connected to the side of the bottom plate 23 and a front end abutting against the inner side surface 132 of the slot 130.

[0102] like Figures 11 to 13As shown, in the illustrated embodiment, the limiting housing 2 further includes a pair of side plates 27 that are opposite in the transverse direction X of the terminal block 1. The side plates 27 are connected between the top plate 20 and the bottom plate 23. The limiting housing 2 has a front opening and a rear opening that are opposite in the longitudinal direction Y of the terminal block 1 to allow the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting housing 2 through the front opening along the longitudinal direction Y of the terminal block 1.

[0103] like Figures 11 to 13 As shown, in the illustrated embodiment, a plurality of elastic clips 230 are formed on the limiting shell 2 , and a plurality of slots 130 are formed on the top surface of the terminal board 1 , and the plurality of elastic clips 230 are respectively engaged with the plurality of slots 130 .

[0104] like Figures 11 to 13 As shown, in the illustrated embodiment, a plurality of slots 130 are symmetrically distributed on two side portions of the top surface of the terminal board 1 that are opposite in the transverse direction X. A plurality of elastic buckles 230 are symmetrically distributed on two sides of the bottom plate 23 of the limiting housing 2 that are opposite in the transverse direction X.

[0105] like Figures 11 to 13 As shown, in the illustrated embodiment, an elastic locking piece 2b is formed on the top plate 20 of the limiting shell 2, and the elastic locking piece 2b extends obliquely rearward and outward for engaging with the housing of the connector to lock the terminal in the housing of the connector.

[0106] like Figures 11 to 13 As shown, in the illustrated embodiment, a plurality of inwardly protruding bumps 2c are further formed on the top plate 20 of the limiting shell 2, and the plurality of bumps 2c are used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact member 3.

[0107] like Figures 11 to 13 As shown, in the illustrated embodiment, the elastic contact member 3 includes a plurality of elastic arms 30 extending along the longitudinal direction Y of the terminal board 1, and the plurality of elastic arms 30 are arranged in a row along the transverse direction X of the terminal board 1. The plurality of elastic arms 30 of the elastic contact member 3 are used to simultaneously electrically contact the mating terminals inserted along the longitudinal direction Y of the terminal board 1.

[0108] like Figures 11 to 13 As shown, in the illustrated embodiment, the elastic contact member 3 further includes a first side portion 31 and a second side portion 32 that are opposite to each other in the longitudinal direction Y of the terminal board 1, and the first side portion 31 and the second side portion 32 extend along the transverse direction X of the terminal board 1. A plurality of elastic arms 30 are connected between the first side portion 31 and the second side portion 32, and one of the first side portion 31 and the second side portion 32 is riveted to the terminal board 1, and the other is slidably supported on the terminal board 1.

[0109] like Figures 11 to 13As shown, in the illustrated embodiment, a first supporting protrusion 121 and a second supporting protrusion 122 are formed on the top surface of the terminal board 1. The first supporting protrusion 121 is adjacent to the first side portion 31 of the elastic contact member 3, and the second supporting protrusion 122 is adjacent to the second side portion 32 of the elastic contact member 3. The first supporting protrusion 121 and the second supporting protrusion 122 are used to support the inserted mating terminal to prevent the elastic arm 30 of the elastic contact member 3 from being excessively squeezed by the mating terminal.

[0110] like Figures 11 to 13 As shown, in the illustrated embodiment, a guiding slope 121 a is formed on the first supporting protrusion 121 for guiding the mating terminal to be inserted between the elastic contact member 3 and the top plate 20 of the limiting housing 2 .

[0111] like Figures 11 to 13 As shown, in the illustrated embodiment, the limiting shell 2 is an integral stamping part, and the bottom plate 23 of the limiting shell 2 has a pair of splicing edges 23a, on which grooves 23b and protrusions 23c suitable for engaging with each other are respectively formed.

[0112] like Figures 11 to 13 As shown, in the illustrated embodiment, the groove 23b and the protrusion 23c on a pair of splicing edges 23a are in a dovetail shape, a T shape or an Ω shape.

[0113] like Figures 11 to 13 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: a housing (not shown) and terminals. The terminals are inserted into the housing.

[0114] like Figures 11 to 13 As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes a connector and a mating connector. The mating connector is adapted to mate with the connector. The mating connector includes a mating housing and a mating terminal. The mating housing is adapted to mate with the connector housing. The mating terminal is adapted to be inserted between the elastic contact member 3 of the connector and the top plate 20 of the retaining housing 2 to electrically contact the elastic contact member 3 of the connector.

[0115] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved by those skilled in the art. The structures described in various embodiments can be freely combined without causing any conflicts in structure or principle. These changes should fall within the scope of protection of the present invention.

[0116] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the preferred embodiments of the present invention and should not be construed as limiting the present invention.

[0117] 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.

[0118] 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 in the claims should not be construed as limiting the scope of the invention.

Claims

1. A terminal, characterized in that: include: A single terminal plate (1) having a top surface and a bottom surface facing each other in a thickness direction (Z) thereof and formed with a card slot (130); A limiting housing (2) is mounted on the terminal board (1) and comprises a top plate (20) located above the top surface of the terminal board (1) and a bottom plate (23) abutting against the bottom surface of the terminal board (1); An elastic contact piece (3) is mounted on the top surface of the terminal plate (1) and faces the top plate (20) of the limiting shell (2), and is used for electrically contacting a mating terminal inserted between the elastic contact piece (3) and the top plate (20) of the limiting shell (2). An elastic buckle (230) is formed on the limiting shell (2), and the elastic buckle (230) engages with a slot (130) on the terminal board (1) to lock the limiting shell (2) to the terminal board (1).

2. The terminal according to claim 1, wherein: include: The card slot (130) is formed on the bottom surface or the top surface of the terminal board (1), and the elastic clip (230) engages with the card slot (130) on the bottom surface or the top surface of the terminal board (1) to lock the limiting shell (2) to the terminal board (1).

3. The terminal according to claim 2, characterized in that: The terminal board (1) has a front end and a rear end opposite to each other in the longitudinal direction (Y), and the limiting shell (2) is suitable for being fitted from the front end of the terminal board (1) to the front end of the terminal board (1) along the longitudinal direction (Y); The elastic buckle (230) is in the shape of a spring sheet extending obliquely toward the interior of the limiting shell (2), and has a rear end connected to the bottom plate (23) and a front end (230a) resting on the inner side surface (132) of the slot (130).

4. The terminal according to claim 3, characterized in that: The limiting shell (2) has two openings opposite to each other in the transverse direction (X) of the terminal plate (1), so as to allow the mating terminal to be inserted between the elastic contact piece (3) and the top plate (20) of the limiting shell (2) along the transverse direction (X) of the terminal plate (1).

5. The terminal according to claim 4, characterized in that: A plurality of elastic snaps (230) are formed on the bottom plate (23) of the limiting shell (2), a plurality of slots (130) are formed on the bottom surface of the terminal plate (1), and the plurality of elastic snaps (230) are respectively engaged with the plurality of slots (130).

6. The terminal according to claim 5, characterized in that: The plurality of card slots (130) are symmetrically distributed on two side portions of the bottom surface of the terminal board (1) that are opposite in the transverse direction (X); and The plurality of elastic buckles (230) are symmetrically distributed on two side portions of the bottom plate (23) of the limiting shell (2) that are opposite in the transverse direction (X).

7. The terminal according to claim 4, characterized in that: The limiting shell (2) also includes: A front side plate (21) is connected between the top plate (20) and the front side of the bottom plate (23) of the limiting housing (2) and abuts against the front end surface of the terminal plate (1). A positioning slot (21a) is formed on the front side plate (21) of the limiting shell (2), and a positioning protrusion (11a) is formed on the front end surface of the terminal plate (1), and the positioning protrusion (11a) cooperates with the positioning slot (21a) to position the limiting shell (2) in the transverse direction (X) and the thickness direction (Z).

8. The terminal according to claim 7, characterized in that: The limiting shell (2) also includes: a left connecting plate (22) located on the left side of the rear end of the limiting shell (2) and connected between the left side of the top plate (20) and the bottom plate (23) of the limiting shell (2); and The right connecting plate (24) is located on the right side of the rear end of the limiting shell (2) and is connected between the top plate (20) and the right side of the bottom plate (23) of the limiting shell (2). The left connecting plate (22) and the right connecting plate (24) are opposite to each other in the transverse direction (X) and respectively abut against the left and right sides of the terminal plate (1).

9. The terminal according to claim 8, characterized in that: The limiting shell (2) also includes: The rear limiting portion (25) is connected to the rear side of the bottom plate (23) of the limiting shell (2) and forms a limiting groove (25a). The side edge of the terminal plate (1) is engaged in the limiting groove (25a) of the rear limiting portion (25).

10. The terminal according to claim 9, characterized in that: The rear limiting portion (25) includes: A limiting bottom plate (251) connected to the rear side of the bottom plate (23) of the limiting housing (2) and resting against the bottom surface of the side edge of the terminal plate (1); a limiting top plate (252), which is opposite to the limiting bottom plate (251) and abuts against the top surface of the side portion of the terminal plate (1); and A limiting side plate (253) is connected between the limiting bottom plate (251) and one side of the limiting top plate (252) and abuts against the side surface of the side edge portion of the terminal plate (1).

11. The terminal according to claim 9, characterized in that: The limiting shell (2) also includes: A rear limiting plate (26) is connected to the rear side of the top plate (20) of the limiting shell (2). The lower side of the rear limit plate (26) abuts against the top surface of the terminal plate (1), and the rear limit plate (26) and the rear limit portion (25) are respectively close to the left connecting plate (22) and the right connecting plate (24).

12. The terminal according to claim 4, characterized in that: At least one inwardly protruding rib (2a) is formed on the top plate (20) of the limiting shell (2), and the rib (2a) extends along the transverse direction (X) of the terminal plate (1) and is used to apply a predetermined pressure on the inserted mating terminal so that the mating terminal and the elastic contact member (3) are in reliable electrical contact.

13. The terminal according to claim 3, characterized in that: The limiting housing (2) further includes a pair of side plates (27) opposite to each other in the transverse direction (X) of the terminal plate (1), and the side plates (27) are connected between the top plate (20) and the bottom plate (23); The limiting shell (2) has a front opening and a rear opening relative to each other in the longitudinal direction (Y) of the terminal plate (1), so as to allow the mating terminal to be inserted between the elastic contact piece (3) and the top plate (20) of the limiting shell (2) through the front opening along the longitudinal direction (Y) of the terminal plate (1).

14. The terminal according to claim 13, characterized in that: A plurality of elastic snaps (230) are formed on the bottom plate (23) of the limiting shell (2), a plurality of slots (130) are formed on the top surface of the terminal plate (1), and the plurality of elastic snaps (230) are respectively engaged with the plurality of slots (130).

15. The terminal according to claim 13, wherein: The plurality of card slots (130) are symmetrically distributed on two side portions of the top surface of the terminal board (1) that are opposite in the transverse direction (X); and The plurality of elastic buckles (230) are symmetrically distributed on two opposite sides of the bottom plate (23) of the limiting shell (2) in the transverse direction (X).

16. The terminal according to claim 12 or 13, characterized in that: An elastic locking piece (2b) is formed on the top plate (20) of the limiting shell (2), and the elastic locking piece (2b) extends obliquely rearward and outward and is used to engage with the housing of the connector to lock the terminal in the housing of the connector.

17. The terminal according to claim 12 or 13, characterized in that: A plurality of inwardly protruding bumps (2c) are also formed on the top plate (20) of the limiting shell (2), and the plurality of bumps (2c) are used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact piece (3).

18. The terminal according to claim 2, characterized in that: The limiting shell (2) is an integral stamping part, and the bottom plate (23) of the limiting shell (2) has a pair of splicing edges (23a), and a groove (23b) and a protrusion (23c) suitable for engaging with each other are respectively formed on the pair of splicing edges (23a), and the groove (23b) and the protrusion (23c) are in a dovetail shape, a T shape or an Ω shape.

19. The terminal according to claim 1, wherein: The terminal board (1) has a front end and a rear end opposite to each other in the longitudinal direction (Y), and the limiting shell (2) is suitable for being fitted from the front end of the terminal board (1) to the front end of the terminal board (1) along the longitudinal direction (Y); The clamping grooves (130) are respectively formed on the front side, left side and right side of the terminal board (1), and the elastic buckles (230) are respectively formed on the front side, left side and right side of the bottom plate (23) of the limiting shell (2); The elastic buckle (230) is in the shape of a C-shaped elastic clip, and the elastic buckle (230) is clamped into the clamping groove (130) and clamped onto the side of the terminal board (1) to lock the limiting shell (2) to the terminal board (1).

20. The terminal according to claim 19, characterized in that: The limiting shell (2) has a front opening and a rear opening relative to each other in the longitudinal direction (X) of the terminal plate (1), so as to allow the mating terminal to be inserted between the elastic contact piece (3) and the top plate (20) of the limiting shell (2) through the front opening along the longitudinal direction (Y) of the terminal plate (1).

21. The terminal according to claim 20, characterized in that: The limiting shell (2) further includes a pair of side plates (27) opposite to each other in the transverse direction (X) thereof, wherein the side plates (27) are connected between the top plate (20) and the bottom plate (23); and A side opening is formed on one of a pair of side plates (27) of the limiting shell (2) to allow the mating terminal to be inserted between the elastic contact piece (3) and the top plate (20) of the limiting shell (2) through the side opening along the transverse direction (X) of the terminal plate (1).

22. The terminal according to claim 21, characterized in that: The bottom plate (23) has a rear end portion extending rearward beyond the pair of side plates and the top plate (20), and the elastic buckles (230) on the left and right sides of the bottom plate (23) are respectively located on the left and right sides of the rear end portion of the bottom plate (23).

23. The terminal according to claim 19, wherein: An elastic locking piece (2b) is formed on the top plate (20) of the limiting shell (2), and the elastic locking piece (2b) extends obliquely rearward and outward and is used to engage with the housing of the connector to lock the terminal in the housing of the connector.

24. The terminal according to claim 19, wherein: A row of elastic pressing arms (28) is formed on the inner side of the top plate (20) of the limiting shell (2), and the row of elastic pressing arms (28) is used to apply a predetermined pressure on the inserted mating terminal to ensure reliable electrical contact between the mating terminal and the elastic contact piece (3).

25. The terminal according to claim 19, wherein: The limiting shell (2) is an integrated stamping part, the bottom plate (23) of the limiting shell (2) is a single-layer bottom plate, and the top plate (23) of the limiting shell (2) includes a double-layer top plate stacked together.

26. A connector, characterized in that: include: case; and The terminal according to any one of claims 1 to 25, wherein the terminal is inserted into the housing.

27. A connector assembly, characterized in that: include: The connector according to claim 26; and A mating connector, suitable for mating with the connector, The mating connector includes: A mating housing, used to mate with the housing of the connector; and The mating terminal is used for being inserted between the elastic contact piece (3) of the connector and the top plate (20) of the limiting shell (2) to electrically contact the elastic contact piece (3) of the connector.

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