Connector terminal, electric connection assembly and connector

Abstract

The utility model discloses a connector terminal, an electric connection assembly and a connector. The connector terminal comprises a base part which is provided with two opposite sides in the transverse direction and on which elastic arms extending in the longitudinal direction are formed; and the pair of cantilever parts are positioned above the base part and are respectively connected with the two sides of the base part. The cantilever part comprises a plurality of bent cantilevers which are distributed at intervals in the longitudinal direction of the base part, and the root parts of the cantilevers are connected with the side edge of the base part; and the pressing part is connected with the end parts of the plurality of bent cantilevers and is suspended above the base part. And the pressing part and the elastic arm are opposite in the height direction and are used for clamping a matching terminal inserted between the pressing part and the elastic arm so as to be in electric contact with the matching terminal. The connector terminal provided by the utility model has the advantages of simple structure, high processing efficiency, low cost, strong anti-vibration performance, reliable electric contact and the like.

Description

Technical Field

[0001] The utility model relates to a connector terminal, an electrical connection component including the connector terminal, and a connector including the connector terminal or the electrical connection component. Background Art

[0002] In existing technology, large-sized connector terminals are mostly manufactured using a combination stamping process. These existing large-sized connector terminals suffer from complex structures, low processing efficiency, and high costs, making them ineffective in the face of increasingly competitive markets. Furthermore, existing large-sized connector terminals suffer from unreliable electrical contact, poor vibration resistance, and excessive insertion and removal forces when mating with mating terminals. Utility Model Content

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

[0004] According to one aspect of the present invention, a connector terminal is provided. The connector terminal includes: a base having two sides opposite to each other in the transverse direction and having elastic arms formed thereon extending in the longitudinal direction thereof; and a pair of cantilever parts located above the base and connected to the two sides of the base respectively. The cantilever parts include: a plurality of bent cantilevers spaced apart in the longitudinal direction of the base and having their roots connected to the side edges of the base; and a pressing part connected to the ends of the plurality of bent cantilevers and suspended above the base. The pressing part and the elastic arm are opposite to each other in the height direction and are used to clamp the mating terminal inserted therebetween to make electrical contact with the mating terminal.

[0005] According to an exemplary embodiment of the present invention, the pressing portion has a first contact portion protruding toward the elastic arm for electrically contacting the upper side of the inserted mating terminal, and the first contact portion extends a predetermined length along the longitudinal direction of the base.

[0006] According to another exemplary embodiment of the present invention, an extension length of the first contact portion in the longitudinal direction of the base is not less than one third and not more than two thirds of the longitudinal length of the base.

[0007] According to another exemplary embodiment of the present invention, the base has a front end and a rear end opposite to each other in the longitudinal direction, and the cantilever portion includes three bent cantilevers, which are respectively located at the front end, the rear end and the middle of the base.

[0008] According to another exemplary embodiment of the present invention, a plurality of elastic arms are formed on the base, and the plurality of elastic arms are arranged side by side in a transverse direction of the base for simultaneously making electrical contact with the lower side of the inserted mating terminal.

[0009] According to another exemplary embodiment of the present invention, an opening is formed on the base, the elastic arm is suspended in the opening, and both ends of the elastic arm are respectively connected to the front side and the rear side of the opening.

[0010] According to another exemplary embodiment of the present invention, the elastic arm has a second contact portion protruding toward the pressing portion and configured to electrically contact the lower side of the inserted mating terminal; the second contact portion extends a predetermined length in the longitudinal direction of the base.

[0011] According to another exemplary embodiment of the present invention, an extension length of the second contact portion in the longitudinal direction of the base is not less than one third and not more than two thirds of the longitudinal length of the base.

[0012] According to another exemplary embodiment of the present invention, a pair of elastic arms are formed on the base, and the second contact portions on the pair of elastic arms are respectively opposite to the first contact portions of the pair of cantilever portions in the height direction.

[0013] According to another exemplary embodiment of the present invention, the base has a front end and a rear end opposite to each other in its longitudinal direction, and the mating terminal is inserted from the front end of the base to between the base and the cantilever portion along the longitudinal direction of the base; a limiting portion bent toward the base is formed on the rear end of the pressing portion, and the limiting portion is used to abut against the end face of the inserted mating terminal to limit the insertion depth of the mating terminal in the longitudinal direction.

[0014] According to another exemplary embodiment of the present invention, a guide portion extending obliquely outward is formed on the front end of the pressing portion, and the guide portion is used to guide the mating terminal to be inserted between the pressing portion and the elastic arm.

[0015] According to another exemplary embodiment of the present invention, the connector terminal is an integral stamped part.

[0016] According to another exemplary embodiment of the present invention, the connector terminal further comprises: a crimping portion connected to the rear end of the base portion, configured to be crimped onto one end of a cable. When the crimping portion is crimped onto the one end of the cable, the axial direction of the one end of the cable is parallel to the longitudinal direction of the base portion.

[0017] According to another exemplary embodiment of the present invention, the crimping portion includes: a first crimping portion for crimping onto the conductor core of the cable; and a second crimping portion for crimping onto the outer insulation layer of the cable, the first crimping portion being located between the rear end of the base and the second crimping portion.

[0018] According to another exemplary embodiment of the present invention, the connector terminal further includes: a crimping portion for crimping onto one end of a cable; and a connecting portion connected between a rear end of the base and the crimping portion. When the crimping portion is crimped onto the one end of the cable, the axial direction of the one end of the cable is perpendicular to the longitudinal direction of the base.

[0019] According to another exemplary embodiment of the present invention, the connecting portion is a flexible bending portion capable of elastic deformation, so that the crimping portion can float relative to the base in at least one of the lateral, longitudinal and height directions.

[0020] According to another exemplary embodiment of the present invention, the crimping portion includes: a first crimping portion for crimping onto the conductor core of the cable; and a second crimping portion for crimping onto the outer insulation layer of the cable, the first crimping portion and the second crimping portion being arranged side by side in the transverse direction of the base.

[0021] According to another exemplary embodiment of the present invention, the connector terminal further comprises a flat soldering portion connected to a rear end of the base portion, configured to be soldered to one end of a cable. When the cable end is soldered to the soldering portion, the axial direction of the cable end is parallel to the longitudinal direction of the base portion.

[0022] According to another aspect of the present invention, an electrical connection assembly is provided, comprising: the aforementioned connector terminal; and a cable, one end of which is electrically connected to the connector terminal.

[0023] According to another aspect of the present invention, a connector is provided, comprising: a housing; and the aforementioned connector terminal or the aforementioned electrical connection assembly, wherein the connector terminal is installed in the housing.

[0024] In the aforementioned exemplary embodiments according to the present invention, the connector terminal has the advantages of simple structure, high processing efficiency, low cost, strong vibration resistance, reliable electrical contact, etc.

[0025] 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

[0026] Figure 1 A perspective schematic diagram showing a connector terminal according to an exemplary embodiment of the present utility model;

[0027] Figure 2 A vertical cross-sectional view showing a connector terminal according to an exemplary embodiment of the present utility model;

[0028] Figure 3 A horizontal cross-sectional view showing a connector terminal according to an exemplary embodiment of the present utility model;

[0029] Figure 4 shows a perspective schematic diagram of a connector terminal according to another exemplary embodiment of the present utility model;

[0030] Figure 5 A schematic perspective view of a connector terminal according to another exemplary embodiment of the present invention is shown. DETAILED DESCRIPTION

[0031] 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 concept of the present invention and should not be construed as limiting the present invention.

[0032] 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.

[0033] According to an overall technical concept of the present invention, a connector terminal is provided. The connector terminal includes: a base having two sides opposite to each other in the transverse direction and having elastic arms extending in the longitudinal direction formed thereon; and a pair of cantilever parts located above the base and connected to the two sides of the base respectively. The cantilever parts include: a plurality of bent cantilevers, which are spaced apart in the longitudinal direction of the base and whose roots are connected to the side edges of the base; and a pressing part, which is connected to the ends of the plurality of bent cantilevers and is suspended above the base. The pressing part and the elastic arm are opposite to each other in the height direction, and are used to clamp the mating terminal inserted between them to make electrical contact with the mating terminal.

[0034] According to another general technical concept of the present invention, an electrical connection assembly is provided, comprising: the aforementioned connector terminal; and a cable, one end of which is electrically connected to the connector terminal.

[0035] According to another general technical concept of the present invention, a connector is provided, comprising: a housing; and the aforementioned connector terminal or the aforementioned electrical connection assembly, wherein the connector terminal is installed in the housing.

[0036] Figure 1A perspective schematic diagram showing a connector terminal according to an exemplary embodiment of the present utility model; Figure 2 A vertical cross-sectional view showing a connector terminal according to an exemplary embodiment of the present utility model; Figure 3 A horizontal cross-sectional view of a connector terminal according to an exemplary embodiment of the present invention is shown.

[0037] like Figures 1 to 3 As shown, in an exemplary embodiment of the present invention, a connector terminal is disclosed. The connector terminal includes: a base 1 and a pair of cantilever portions 2. The base 1 has two opposite sides in its transverse direction X and is provided with an elastic arm 11 extending along its longitudinal direction Y. The pair of cantilever portions 2 are located above the base 1 and are respectively connected to both sides of the base 1. The cantilever portion 2 includes a plurality of bent cantilevers 20 and a pressing portion 21. The plurality of bent cantilevers 20 are spaced apart in the longitudinal direction Y of the base 1 and their roots are connected to the side of the base 1. The pressing portion 21 is connected to the ends of the plurality of bent cantilevers 20 and is suspended above the base 1. The pressing portion 21 and the elastic arm 11 are opposite in the height direction Z and are used to clamp a mating terminal (not shown) inserted therebetween to make electrical contact with the mating terminal.

[0038] like Figures 1 to 3 As shown, in the illustrated embodiment, the pressing portion 21 has a first contact portion 210 protruding toward the elastic arm 11 for electrically contacting the upper side of the inserted mating terminal. The first contact portion 210 extends a predetermined length along the longitudinal direction Y of the base 1.

[0039] like Figures 1 to 3 As shown, in the illustrated embodiment, the extension length of the first contact portion 210 in the longitudinal direction Y of the base 1 is not less than one third and not more than two thirds of the longitudinal length of the base 1 .

[0040] like Figures 1 to 3 As shown, in the illustrated embodiment, the base 1 has a front end and a rear end opposite to each other in the longitudinal direction Y. The cantilever portion 2 includes three bent cantilevers 20 , which are respectively located at the front end, the rear end and the middle of the base 1 .

[0041] like Figures 1 to 3 As shown, in the illustrated embodiment, a plurality of elastic arms 11 are formed on the base 1 , and the plurality of elastic arms 11 are arranged side by side in the transverse direction X of the base 1 for simultaneously making electrical contact with the lower side of the inserted mating terminal.

[0042] like Figures 1 to 3 As shown, in the illustrated embodiment, an opening 101 is formed on the base 1 , and the elastic arm 11 is suspended in the opening 101 , with both ends of the elastic arm 11 connected to the front side and the rear side of the opening 101 respectively.

[0043] like Figures 1 to 3 As shown, in the illustrated embodiment, the elastic arm 11 has a second contact portion 110 protruding toward the pressing portion 21 for electrically contacting the lower side of the inserted mating terminal. The second contact portion 110 extends along the longitudinal direction Y of the base 1 by a predetermined length.

[0044] like Figures 1 to 3 As shown, in the illustrated embodiment, the extension length of the second contact portion 110 in the longitudinal direction Y of the base 1 is not less than one third and not more than two thirds of the longitudinal length of the base 1 .

[0045] like Figures 1 to 3 As shown, in the illustrated embodiment, a pair of elastic arms 11 are formed on the base 1 , and the second contact portions 110 on the pair of elastic arms 11 are respectively opposite to the first contact portions 210 on the pair of cantilever portions 2 in the height direction Z.

[0046] like Figures 1 to 3 As shown, in the illustrated embodiment, the base 1 has a front end and a rear end opposite to each other in the longitudinal direction Y thereof, and the mating terminal is inserted from the front end of the base 1 between the base 1 and the cantilever portion 2 along the longitudinal direction Y of the base 1. A limiting portion 21a is formed on the rear end of the pressing portion 21, which is bent toward the base 1. The limiting portion 21a is used to abut against the end face of the inserted mating terminal to limit the insertion depth of the mating terminal in the longitudinal direction Y.

[0047] like Figures 1 to 3 As shown, in the illustrated embodiment, a guide portion 21 b extending obliquely outward is formed on the front end of the pressing portion 21 , and the guide portion 21 b is used to guide the mating terminal to be inserted between the pressing portion 21 and the elastic arm 11 .

[0048] like Figures 1 to 3 As shown, in the illustrated embodiment, the connector terminal is an integral stamped and formed part.

[0049] like Figures 1 to 3 As shown, in the illustrated embodiment, the connector terminal further includes a crimping portion 3, which is connected to the rear end of the base 1 and is used to be crimped onto one end of a cable (not shown). When the crimping portion 3 is crimped onto one end of the cable, the axial direction of the one end of the cable is parallel to the longitudinal direction Y of the base 1.

[0050] like Figures 1 to 3 As shown, in the illustrated embodiment, the crimping portion 3 includes a first crimping portion 31 and a second crimping portion 32. The first crimping portion 31 is used to crimp onto the conductor core (not shown) of the cable. The second crimping portion 32 is used to crimp onto the outer insulation layer (not shown) of the cable. The first crimping portion 31 is located between the rear end of the base 1 and the second crimping portion 32.

[0051] Figure 4A schematic perspective view of a connector terminal according to another exemplary embodiment of the present invention is shown.

[0052] Figure 4 The connector terminals shown are Figures 1 to 3 The difference between the connector terminals shown mainly lies in the connection structure with the cable.

[0053] like Figure 4 As shown, in the illustrated embodiment, the connector terminal further includes a crimping portion 3 and a connecting portion 4. The crimping portion 3 is used to crimp onto one end of a cable. The connecting portion 4 is connected between the rear end of the base 1 and the crimping portion 3. When the crimping portion 3 is crimped onto one end of a cable, the axial direction of the cable end is perpendicular to the longitudinal direction Y of the base 1.

[0054] like Figure 4 As shown, in the illustrated embodiment, the connecting portion 4 is a flexible bending portion that can be elastically deformed, so that the crimping portion 3 can float relative to the base 1 in at least one of the transverse direction X, the longitudinal direction Y, and the height direction Z. For example, the crimping portion 3 can float relative to the base 1 in the longitudinal direction Y and the height direction Z.

[0055] like Figure 4 As shown, in the illustrated embodiment, the crimping portion 3 includes a first crimping portion 31 and a second crimping portion 32. The first crimping portion 31 is used to crimp onto the conductor core of the cable. The second crimping portion 32 is used to crimp onto the outer insulation layer of the cable. The first crimping portion 31 and the second crimping portion 32 are arranged side by side in the transverse direction X of the base 1.

[0056] In addition to the aforementioned differences, Figure 4 Other technical features of the connector terminals shown are similar to Figures 1 to 3 The connector terminals shown are basically the same and can be referred to Figures 1 to 3 Connector terminals shown.

[0057] Figure 5 A schematic perspective view of a connector terminal according to another exemplary embodiment of the present invention is shown.

[0058] Figure 5 The connector terminals shown are Figures 1 to 3 The difference between the connector terminals shown mainly lies in the connection structure with the cable.

[0059] like Figure 5 As shown, in the illustrated embodiment, the connector terminal further includes a soldering portion 5. The soldering portion 5 is flat and connected to the rear end of the base 1, and is used to be soldered to one end of a cable. When the end of the cable is soldered to the soldering portion 5, the axial direction of the end of the cable is parallel to the longitudinal direction Y of the base 1.

[0060] In addition to the aforementioned differences, Figure 5 Other technical features of the connector terminals shown are similar to Figures 1 to 3 The connector terminals shown are basically the same and can be referred to Figures 1 to 3 Connector terminals shown.

[0061] like Figures 1 to 5 As shown, in another exemplary embodiment of the present invention, an electrical connection assembly is also disclosed. The electrical connection assembly includes the aforementioned connector terminal and a cable (not shown), one end of the cable being electrically connected to the connector terminal.

[0062] 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 the aforementioned connector terminal or the aforementioned electrical connection assembly. The connector terminal is installed in the housing.

[0063] 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 the 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.

[0064] 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 implementations of the present invention and should not be construed as limiting the present invention.

[0065] Although some embodiments of the general concept of the present invention have been shown and described, it will be understood by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the present invention, the scope of which is defined by the claims and their equivalents.

[0066] 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 number in the claims should not be construed as limiting the scope of the present invention.

Claims

1. A connector terminal, characterized in that: include: A base (1) having two opposite sides in its transverse direction (X) and having elastic arms (11) formed thereon and extending in its longitudinal direction (Y); and A pair of cantilever parts (2) are located above the base (1) and are connected to both sides of the base (1) respectively. The cantilever portion (2) comprises: A plurality of bent cantilevers (20) are spaced apart in the longitudinal direction (Y) of the base (1) and the roots of the cantilevers are connected to the side edges of the base (1); and The pressing portion (21) is connected to the ends of the plurality of bent cantilevers (20) and is suspended above the base (1). The pressing portion (21) and the elastic arm (11) are opposite to each other in the height direction (Z) and are used to clamp the mating terminal inserted between them so as to make electrical contact with the mating terminal.

2. The connector terminal according to claim 1, wherein: The pressing portion (21) has a first contact portion (210) protruding toward the elastic arm (11) and used for electrically contacting the upper side of the inserted mating terminal, and the first contact portion (210) extends a predetermined length along the longitudinal direction (Y) of the base (1).

3. The connector terminal according to claim 2, wherein: The extension length of the first contact portion (210) in the longitudinal direction (Y) of the base (1) is not less than one third of the longitudinal length of the base (1) and not more than two thirds of the longitudinal length of the base (1).

4. The connector terminal according to claim 2, wherein: The base (1) has a front end and a rear end opposite to each other in its longitudinal direction (Y), and the cantilever portion (2) includes three bent cantilevers (20), and the three bent cantilevers (20) are respectively located at the front end, the rear end and the middle of the base (1).

5. The connector terminal according to claim 2, wherein: A plurality of elastic arms (11) are formed on the base (1), and the plurality of elastic arms (11) are arranged side by side in a transverse direction (X) of the base (1) for simultaneously electrically contacting the lower side of an inserted mating terminal.

6. The connector terminal according to claim 5, wherein: An opening (101) is formed on the base (1), the elastic arm (11) is suspended in the opening (101), and two ends of the elastic arm (11) are respectively connected to the front side and the rear side of the opening (101).

7. The connector terminal according to claim 6, wherein: The elastic arm (11) has a second contact portion (110) protruding toward the pressing portion (21) and used for electrically contacting the lower side of the inserted mating terminal, and the second contact portion (110) extends a predetermined length along the longitudinal direction (Y) of the base (1).

8. The connector terminal according to claim 7, wherein: The extension length of the second contact portion (110) in the longitudinal direction (Y) of the base (1) is not less than one third of the longitudinal length of the base (1) and not more than two thirds of the longitudinal length of the base (1).

9. The connector terminal according to claim 7, wherein: A pair of elastic arms (11) are formed on the base (1), and the second contact portions (110) on the pair of elastic arms (11) and the first contact portions (210) of the pair of cantilever portions (2) are respectively opposite in the height direction (Z).

10. The connector terminal according to claim 1, wherein: The base (1) has a front end and a rear end opposite to each other in the longitudinal direction (Y) thereof, and the mating terminal is inserted between the base (1) and the cantilever portion (2) from the front end of the base (1) along the longitudinal direction (Y) of the base (1); A limiting portion (21a) bent toward the base (1) is formed on the rear end of the pressing portion (21), and the limiting portion (21a) is used to abut against the end face of the inserted mating terminal to limit the insertion depth of the mating terminal in the longitudinal direction (Y).

11. The connector terminal according to claim 10, wherein: A guide portion (21b) extending outwardly and obliquely is formed on the front end of the pressing portion (21), and the guide portion (21b) is used to guide the mating terminal to be inserted between the pressing portion (21) and the elastic arm (11).

12. The connector terminal according to claim 1, wherein: The connector terminal is an integral stamped part.

13. The connector terminal according to any one of claims 1 to 12, characterized in that: Also includes: The crimping portion (3) is connected to the rear end of the base (1) and is used for crimping onto one end of the cable. When the crimping portion (3) is crimped onto one end of the cable, the axial direction of the one end of the cable is parallel to the longitudinal direction (Y) of the base (1).

14. The connector terminal according to claim 13, wherein: The crimping portion (3) comprises: A first crimping portion (31) for crimping onto a conductor core of the cable; and The second crimping portion (32) is used for crimping onto the outer insulating layer of the cable, and the first crimping portion (31) is located between the rear end of the base (1) and the second crimping portion (32).

15. The connector terminal according to any one of claims 1 to 12, characterized in that: Also includes: A crimping portion (3) for crimping onto one end of a cable; and A connecting portion (4) is connected between the rear end of the base (1) and the crimping portion (3), When the crimping portion (3) is crimped onto one end of the cable, the axial direction of the one end of the cable is perpendicular to the longitudinal direction (Y) of the base (1).

16. The connector terminal according to claim 15, wherein: The connecting portion (4) is a flexible bending portion capable of elastic deformation, so that the crimping portion (3) can float relative to the base (1) in at least one of the transverse direction (X), the longitudinal direction (Y) and the height direction (Z).

17. The connector terminal according to claim 15, wherein: The crimping portion (3) comprises: A first crimping portion (31) for crimping onto a conductor core of the cable; and The second crimping portion (32) is used for crimping onto the outer insulating layer of the cable, and the first crimping portion (31) and the second crimping portion (32) are arranged side by side in the transverse direction (X) of the base (1).

18. The connector terminal according to any one of claims 1 to 12, characterized in that: Also includes: The welding portion (5) is flat and connected to the rear end of the base (1) and is used for welding to one end of the cable. When one end of the cable is welded to the welding portion (5), the axial direction of the one end of the cable is parallel to the longitudinal direction (Y) of the base (1).

19. An electrical connection assembly, characterized in that: include: The connector terminal according to any one of claims 1 to 18; and A cable has one end electrically connected to the connector terminal.

20. A connector, characterized in that: include: case; and The connector terminal according to any one of claims 1 to 18 or the electrical connection assembly according to claim 19, The connector terminals are mounted in the housing.

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