Connector terminal, terminal assembly, connector and connector assembly

Abstract

The invention discloses a connector terminal, a terminal assembly, a connector and a connector assembly. The connector terminal includes: an outer conductor including a cylindrical body; an insulator disposed in the outer conductor; and an inner conductor disposed in the insulator. The barrel-shaped main body is provided with a front end and a rear end which are axially opposite to each other, and a plurality of axially extending separation seams are formed in the front end part of the barrel-shaped main body so as to separate the front end part of the barrel-shaped main body into a plurality of main elastic arms; an auxiliary elastic arm is formed on the main elastic arm, and the main elastic arm and the auxiliary elastic arm are suitable for being electrically contacted with a mating terminal of a mating connector inserted into the outer conductor at the same time. Therefore, the electrical contact performance and the electromagnetic compatibility between the connector terminal and the matching terminal are improved.

Description

Technical Field

[0001] The present invention relates to a connector terminal, a terminal assembly including the connector terminal, a connector including the connector terminal or the terminal assembly, and a connector assembly including the connector. Background Art

[0002] In the prior art, a coaxial connector generally includes a housing and a terminal installed in the housing. The terminal of the coaxial connector generally includes an outer conductor, an insulator disposed in the outer conductor, and an inner conductor disposed in the insulator. Four elastic arms for electrically contacting the mating terminals of the mating connector are formed at the front end of the outer conductor. The size of the elastic arm in the circumferential direction of the terminal is very small, and plastic deformation is easily caused, which can cause poor electrical contact between the terminal and the mating terminal. In addition, in the prior art, each elastic arm has only a single electrical contact, which can also cause poor electrical contact, seriously reducing the electromagnetic compatibility (EMC) of the connector product. Summary of the invention

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

[0004] According to one aspect of the present invention, a connector terminal is provided. The connector terminal comprises: an outer conductor, including a cylindrical body; an insulator, disposed in the outer conductor; and an inner conductor, disposed in the insulator. The cylindrical body has a front end and a rear end axially opposite to each other, and a plurality of axially extending separation slits are formed on the front end of the cylindrical body to separate the front end of the cylindrical body into a plurality of main elastic arms; auxiliary elastic arms are formed on the main elastic arms, and the main elastic arms and the auxiliary elastic arms are suitable for simultaneously electrically contacting with a matching outer conductor of a matching connector inserted into the outer conductor.

[0005] According to an exemplary embodiment of the present invention, a first protrusion is formed on the inner side of the end of the main elastic arm, and the first protrusion is used as a first electrical contact for electrically contacting the matching outer conductor; a second protrusion is formed on the inner side of the end of the auxiliary elastic arm, and the second protrusion is used as a second electrical contact for electrically contacting the matching outer conductor.

[0006] According to another exemplary embodiment of the present invention, the first protrusion is arc-shaped and extends along the circumference of the cylindrical body, the second protrusion is arc-shaped and extends along the circumference of the cylindrical body, and the arc length of the first protrusion is greater than the arc length of the second protrusion.

[0007] According to another exemplary embodiment of the present invention, the first protrusion is located in front of the second protrusion and is spaced apart from the second protrusion by a predetermined distance in the axial direction of the cylindrical body.

[0008] According to another exemplary embodiment of the present invention, an opening is formed on the main elastic arm, and the auxiliary elastic arm is suspended in the opening and connected to a side edge of the opening.

[0009] According to another exemplary embodiment of the present invention, the opening has a front side and a rear side opposite to each other in the axial direction of the cylindrical body; the root of the auxiliary elastic arm is connected to the rear side of the opening, and the end of the auxiliary elastic arm is close to the front side of the opening.

[0010] According to another exemplary embodiment of the present invention, the plurality of separation slits are evenly spaced apart in the circumferential direction of the cylindrical body; the plurality of main elastic arms are evenly spaced apart in the circumferential direction of the cylindrical body; and the plurality of auxiliary elastic arms are evenly spaced apart in the circumferential direction of the cylindrical body.

[0011] According to another exemplary embodiment of the present invention, the number of the dividing slits on the front end portion of the cylindrical body is three, so that the number of the main elastic arms on the front end portion of the cylindrical body is three; and the size of the main elastic arms in the circumferential direction of the cylindrical body is slightly smaller than one-third of the circumference of the cylindrical body.

[0012] According to another exemplary embodiment of the present invention, one or more auxiliary elastic arms are respectively formed on the three main elastic arms.

[0013] According to another exemplary embodiment of the present invention, the outer conductor further comprises a support portion connected to the rear end of the cylindrical body for abutting against an inner wall of a mounting hole in a connector housing to position the rear end of the connector terminal in the mounting hole.

[0014] According to another exemplary embodiment of the present invention, the outer conductor is an integral stamped terminal made by stamping a single metal sheet.

[0015] According to another exemplary embodiment of the present invention, the support portion includes: a support ring having a diameter larger than that of the cylindrical body, for abutting against an inner wall of a mounting hole in a connector housing; and a tapered portion connected between the support ring and a rear end of the cylindrical body.

[0016] According to another exemplary embodiment of the present invention, a plurality of positioning flanges are formed on the cylindrical body, and the plurality of positioning flanges are spaced apart in the axial direction of the cylindrical body; the positioning flanges are used to abut against the inner wall of the mounting hole in the connector housing to position the connector terminal in the mounting hole.

[0017] According to another exemplary embodiment of the present invention, an annular groove is formed on the cylindrical body, and the annular groove is defined between two adjacent positioning flanges; the annular groove is used to engage with the retaining portion on the terminal locking piece of the connector to lock the connector terminal in the connector housing.

[0018] According to another aspect of the present invention, a connector terminal is provided. The connector terminal comprises: an outer conductor, including an outer shell and an inner shell assembled in the outer shell; an insulator, disposed in the inner shell of the outer conductor; and an inner conductor, disposed in the insulator. The inner shell has an axially opposite front end and a rear end, and a plurality of axially extending separation slits are formed on the front end of the inner shell to separate the front end of the inner shell into a plurality of main elastic arms; a plurality of auxiliary elastic arms are formed on the front end of the outer shell, and the main elastic arms and the auxiliary elastic arms are suitable for simultaneously electrically contacting with a matching outer conductor of a matching connector inserted into the outer conductor.

[0019] According to an exemplary embodiment of the present invention, a first protrusion is formed on the inner side of the end of the main elastic arm, and the first protrusion is used as a first electrical contact for electrically contacting the matching outer conductor; a second protrusion is formed on the inner side of the end of the auxiliary elastic arm, and the second protrusion is used as a second electrical contact for electrically contacting the matching outer conductor.

[0020] According to an exemplary embodiment of the present invention, the first protrusion is arc-shaped and extends along the circumference of the inner shell, the second protrusion is arc-shaped and extends along the circumference of the outer shell, and the arc length of the first protrusion is greater than the arc length of the second protrusion.

[0021] According to another exemplary embodiment of the present invention, the first protrusion is located in front of the second protrusion and is spaced apart from the second protrusion by a predetermined distance in the axial direction of the outer conductor.

[0022] According to another exemplary embodiment of the present invention, an opening is formed on the front end portion of the outer shell, and the auxiliary elastic arm is suspended in the opening and connected to the rear side of the opening.

[0023] According to another aspect of the present invention, a terminal assembly is provided, comprising: the aforementioned connector terminal; and a cable connected to a rear end of the connector terminal, wherein an inner conductor and an outer conductor of the connector terminal are electrically connected to a conductor core and a shielding layer of the cable, respectively.

[0024] According to an exemplary embodiment of the present invention, the rear end of the inner conductor is crimped onto the conductor core of the cable, and the rear end of the outer conductor is crimped onto the shielding layer and the outer insulation layer of the cable.

[0025] According to another aspect of the present invention, a connector is provided, comprising: a connector housing, formed with an axially extending mounting hole; and the aforementioned connector terminal or terminal assembly, inserted into the mounting hole of the connector housing.

[0026] According to an exemplary embodiment of the present invention, a radially extending slot is formed on the connector housing, and the slot is connected to the mounting hole; the connector also includes a terminal locking piece, which is inserted into the slot, and the terminal locking piece includes a clamping portion that engages with an annular groove on the outer conductor of the connector terminal to lock the connector terminal in the connector housing.

[0027] According to another aspect of the present invention, a connector assembly is provided, comprising: the aforementioned connector; and a mating connector mating with the connector.

[0028] According to an exemplary embodiment of the present invention, the mating connector comprises: a mating housing for mating with the connector housing; and a mating terminal installed in the mating housing for mating with the connector terminal.

[0029] According to another exemplary embodiment of the present invention, the mating terminal includes: a mating outer conductor, which is inserted into the outer conductor of the connector terminal and is electrically contacted with the main elastic arm and the auxiliary elastic arm on the outer conductor at the same time; and a mating inner conductor, which is matingly connected to the inner conductor of the connector terminal.

[0030] In the aforementioned various exemplary embodiments according to the present invention, the main elastic arm and the auxiliary elastic arm of the outer conductor of the connector terminal can be electrically contacted with the matching outer conductor of the mating terminal at the same time, thereby improving the electrical contact performance and electromagnetic compatibility performance between the connector terminal and the mating terminal.

[0031] 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

[0032] Figure 1A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention;

[0033] Figure 2 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention;

[0034] Figure 3 An exploded schematic diagram showing a terminal assembly of a connector according to an exemplary embodiment of the present invention;

[0035] Figure 4 An exploded cross-sectional view showing a terminal assembly of a connector according to an exemplary embodiment of the present invention;

[0036] Figure 5 An assembled cross-sectional view showing a terminal assembly of a connector according to an exemplary embodiment of the present invention;

[0037] Figure 6 A perspective schematic diagram showing an outer conductor of a connector terminal according to an exemplary embodiment of the present invention;

[0038] Figure 7 A cross-sectional view showing an outer conductor of a connector terminal according to an exemplary embodiment of the present invention;

[0039] Figure 8 A schematic diagram showing the mating of a connector terminal and a mating terminal of a mating connector according to an exemplary embodiment of the present invention;

[0040] Fig. 9 A cross-sectional view showing a connector according to an exemplary embodiment of the present invention;

[0041] Fig.10 A longitudinal sectional view showing a terminal assembly of a connector according to another exemplary embodiment of the present invention;

[0042] Fig.11 A perspective schematic diagram showing an outer conductor of a connector terminal according to another exemplary embodiment of the present invention;

[0043] Fig.12 A longitudinal sectional view showing an outer conductor of a connector terminal according to another exemplary embodiment of the present invention;

[0044] Fig.13 An exploded schematic diagram showing an outer conductor of a connector terminal according to another exemplary embodiment of the present invention;

[0045] Fig.14 An exploded cross-sectional view showing an outer conductor of a connector terminal according to another exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0046] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0047] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0048] According to an overall technical concept of the present invention, a connector terminal is provided. The connector terminal comprises: an outer conductor, including a cylindrical body; an insulator, disposed in the outer conductor; and an inner conductor, disposed in the insulator. The cylindrical body has an axially opposite front end and a rear end, and a plurality of axially extending separation slits are formed on the front end of the cylindrical body to separate the front end of the cylindrical body into a plurality of main elastic arms; an auxiliary elastic arm is formed on the main elastic arm, and the main elastic arm and the auxiliary elastic arm are suitable for simultaneously electrically contacting with a matching outer conductor of a matching connector inserted into the outer conductor.

[0049] According to another general technical concept of the present invention, a terminal assembly is provided, comprising: the aforementioned connector terminal; and a cable connected to a rear end of the connector terminal, wherein an inner conductor and an outer conductor of the connector terminal are electrically connected to a conductor core and a shielding layer of the cable, respectively.

[0050] According to another general technical concept of the present invention, a connector is provided, comprising: a connector housing, formed with an axially extending mounting hole; and the aforementioned connector terminal or terminal assembly, inserted into the mounting hole of the connector housing.

[0051] According to another general technical concept of the present invention, a connector assembly is provided, which includes: the aforementioned connector; and a mating connector mating with the connector.

[0052] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention; Figure 2 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention; Figure 3 An exploded schematic diagram showing terminal assemblies 2 and 3 of a connector according to an exemplary embodiment of the present invention; Figure 4 An exploded cross-sectional view showing terminal assemblies 2 and 3 of a connector according to an exemplary embodiment of the present invention; Figure 5 An assembled cross-sectional view showing terminal assemblies 2 and 3 of a connector according to an exemplary embodiment of the present invention.

[0053] like Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a connector terminal 2 is disclosed. The connector terminal 2 mainly includes: an outer conductor 21 (or outer terminal), an insulator 23 and an inner conductor 22 (or center terminal). The outer conductor 21 includes a hollow cylindrical body 210. The insulator 23 is arranged in the outer conductor 21. The inner conductor 22 is arranged in the insulator 23. The insulator 23 is used to hold the inner conductor 22 and electrically isolate the inner conductor 22 from the outer conductor 21.

[0054] Figure 6 A three-dimensional schematic diagram showing an outer conductor 21 of a connector terminal 2 according to an exemplary embodiment of the present invention; Figure 7 A cross-sectional view showing an outer conductor 21 of a connector terminal 2 according to an exemplary embodiment of the present invention; Figure 8 A schematic diagram showing the mating of a connector terminal 2 and a mating terminal 2' of a mating connector according to an exemplary embodiment of the present invention; Fig. 9 A cross-sectional view showing a connector according to an exemplary embodiment of the present invention.

[0055] like Figures 1 to 9 As shown, in the illustrated embodiment, the cylindrical body 210 has a front end and a rear end that are axially opposite, and a plurality of axially extending separation slits 201 are formed on the front end of the cylindrical body 210 to separate the front end of the cylindrical body 210 into a plurality of main elastic arms 211. Auxiliary elastic arms 212 are formed on the main elastic arms 21. The main elastic arms 211 and the auxiliary elastic arms 212 are adapted to simultaneously electrically contact with the mating outer conductor 21' of the mating connector inserted into the outer conductor 21. In this way, the electrical contact performance between the connector terminal 2 and the mating terminal 2' of the mating connector can be improved.

[0056] like Figures 1 to 9 As shown, in the illustrated embodiment, a first protrusion 211a is formed on the inner side of the end of the main elastic arm 211, and the first protrusion 211a serves as a first electrical contact point for electrically contacting the matching outer conductor 21'. A second protrusion 212a is formed on the inner side of the end of the auxiliary elastic arm 212, and the second protrusion 212a serves as a second electrical contact point for electrically contacting the matching outer conductor 21'.

[0057] like Figures 1 to 9 As shown, in the illustrated embodiment, the first protrusion 211a is arc-shaped and extends along the circumference of the cylindrical body 210, the second protrusion 212a is arc-shaped and extends along the circumference of the cylindrical body 210, and the arc length of the first protrusion 211a is greater than the arc length of the second protrusion 212a.

[0058] like Figures 1 to 9 As shown, in the illustrated embodiment, the first protrusion 211 a is located in front of the second protrusion 212 a and is spaced apart from the second protrusion 212 a by a predetermined distance in the axial direction of the cylindrical body 210 .

[0059] like Figures 1 to 9 As shown, in the illustrated embodiment, an opening 213 is formed on the main elastic arm 211 , and the auxiliary elastic arm 212 is suspended in the opening 213 and connected to the side of the opening 213 .

[0060] like Figures 1 to 9 As shown, in the illustrated embodiment, the opening 213 on the main elastic arm 211 has a front side and a rear side opposite to each other in the axial direction of the cylindrical body 210. The root of the auxiliary elastic arm 212 is connected to the rear side of the opening 213, and the end of the auxiliary elastic arm 212 is close to the front side of the opening 213.

[0061] like Figures 1 to 9 As shown, in the illustrated embodiment, a plurality of separation slits 201 are evenly spaced apart in the circumferential direction of the cylindrical body 210; a plurality of main elastic arms 211 are evenly spaced apart in the circumferential direction of the cylindrical body 210; and a plurality of auxiliary elastic arms 212 are evenly spaced apart in the circumferential direction of the cylindrical body 210.

[0062] like Figures 1 to 9 As shown, in the illustrated embodiment, there are three separation slits 201 on the front end of the cylindrical body 210, so that there are three main elastic arms 211 on the front end of the cylindrical body 210. Therefore, in the illustrated embodiment, the size of the main elastic arm 211 in the circumferential direction of the cylindrical body 210 is slightly smaller than one-third of the circumference of the cylindrical body 210, so the main elastic arm 211 has a greater strength and will not be plastically deformed when mating with the mating terminal 2', thereby improving the reliability of the electrical contact between the connector terminal 2 and the mating terminal 2'.

[0063] like Figures 1 to 9 As shown, in the illustrated embodiment, one auxiliary elastic arm 212 is formed on each of the three main elastic arms 211. However, the present invention is not limited to the illustrated embodiment, for example, a plurality of auxiliary elastic arms 212 may also be formed on the main elastic arm 211.

[0064] like Figures 1 to 9 As shown, in the illustrated embodiment, the outer conductor 21 also includes a support portion 214, which is connected to the rear end of the cylindrical body 210 and is used to abut against the inner wall of the mounting hole 101 in the connector housing 1 to position the rear end of the connector terminal 2 in the mounting hole 101.

[0065] like Figures 1 to 9As shown, in the illustrated embodiment, the support portion 214 includes: a support ring 214a and a tapered portion 214b. The support ring 214a has a diameter greater than the cylindrical body 210 and is used to abut against the inner wall of the mounting hole 101 in the connector housing 1. The tapered portion 214b is connected between the support ring 214a and the rear end of the cylindrical body 210.

[0066] like Figures 1 to 9 As shown, in the illustrated embodiment, a plurality of positioning flanges 210a are formed on the cylindrical body 210, and the plurality of positioning flanges 210a are spaced apart in the axial direction of the cylindrical body 210. The positioning flanges 210a are used to abut against the inner wall of the mounting hole 101 in the connector housing 1 to position the connector terminal 2 in the mounting hole 101.

[0067] like Figures 1 to 9 As shown, in the illustrated embodiment, an annular groove 202 is formed on the cylindrical body 210, and the annular groove 202 is defined between two adjacent positioning flanges 210a. The annular groove 202 is used to engage with the retaining portion 41 on the terminal locking member 4 of the connector to lock the connector terminal 2 in the connector housing 1.

[0068] like Figures 1 to 9 As shown, in the illustrated embodiment, the outer conductor 21 is an integral stamped terminal made by stamping a single metal plate.

[0069] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, a terminal assembly 2, 3 is also disclosed. The terminal assembly 2, 3 includes: a connector terminal 2 and a cable 3. The cable 3 is connected to the rear end of the connector terminal 2. The inner conductor 22 and the outer conductor 21 of the connector terminal 2 are electrically connected to the conductor core 31 and the shielding layer 33 of the cable 3, respectively.

[0070] like Figures 1 to 9 As shown, in the illustrated embodiment, the rear end of the inner conductor 22 is crimped onto the conductor core 31 of the cable 3 , and the rear end of the outer conductor 21 is crimped onto the shielding layer 33 and the outer insulating layer 34 of the cable 3 .

[0071] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector mainly includes: a connector housing 1 and the aforementioned connector terminal 2 or the aforementioned terminal assembly 2, 3. The connector housing 1 is formed with an axially extending mounting hole 101. The connector terminal 2 or the terminal assembly 2, 3 is inserted into the mounting hole 101 of the connector housing 1.

[0072] like Figures 1 to 9As shown, in the illustrated embodiment, a radially extending slot 102 is formed on the connector housing 1, and the slot 102 is communicated with the mounting hole 101. The connector also includes a terminal locking member 4, which is inserted into the slot 102, and the terminal locking member 4 includes a clamping portion 41 engaged with the annular clamping groove 202 on the outer conductor 21 of the connector terminal 2, so as to lock the connector terminal 2 in the connector housing 1.

[0073] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly mainly includes: a connector; and a mating connector mating with the connector.

[0074] like Figures 1 to 9 As shown, in the illustrated embodiment, the mating connector comprises: a mating housing (not shown) and a mating terminal 2'. The mating housing is used to mate with the connector housing 1. The mating terminal 2' is installed in the mating housing and is used to mate with the connector terminal 2.

[0075] like Figures 1 to 9 As shown, in the illustrated embodiment, the mating terminal 2' comprises: a mating outer conductor 21' and a mating inner conductor 22'. The mating outer conductor 21' is inserted into the outer conductor 21 of the connector terminal 2 and is in electrical contact with the main elastic arm 211 and the auxiliary elastic arm 212 on the outer conductor 21 at the same time. The mating inner conductor 22' is matingly connected to the inner conductor 22 of the connector terminal 2.

[0076] Fig.10 A longitudinal sectional view showing a terminal assembly of a connector according to another exemplary embodiment of the present invention; Fig.11 A perspective schematic diagram showing an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present invention; Fig.12 A longitudinal cross-sectional view showing an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present invention; Fig.13 An exploded schematic diagram showing an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present invention; Fig.14 An exploded cross-sectional view showing an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present invention.

[0077] like Figures 10 to 14As shown, in another exemplary embodiment of the present invention, a connector terminal is also disclosed. The connector terminal includes: an outer conductor 21, an insulator 23 and an inner conductor 22. The outer conductor 21 includes an outer shell 24 and an inner shell 25 assembled in the outer shell 24. The insulator 23 is disposed in the inner shell 25 of the outer conductor 21. The inner conductor 22 is disposed in the insulator 23. The inner shell 25 has an axially opposite front end and a rear end, and a plurality of axially extending separation slits 201 are formed on the front end portion of the inner shell 25 to separate the front end portion of the inner shell 25 into a plurality of main elastic arms 211. A plurality of auxiliary elastic arms 212 are formed on the front end portion of the outer shell 24. The main elastic arms 211 and the auxiliary elastic arms 212 on the outer conductor 21 are suitable for mating with the mating outer conductor 21' (see Figure 8 ) while making electrical contact.

[0078] like Figures 10 to 14 As shown, in the illustrated embodiment, a first protrusion 211a is formed on the inner side of the end of the main elastic arm 211, and the first protrusion 211a serves as a first electrical contact point for electrically contacting the matching outer conductor 21'. A second protrusion 212a is formed on the inner side of the end of the auxiliary elastic arm 212, and the second protrusion 211a serves as a second electrical contact point for electrically contacting the matching outer conductor 21'.

[0079] like Figures 10 to 14 As shown, in the illustrated embodiment, the first protrusion 211a is arc-shaped and extends along the circumference of the inner shell 25, the second protrusion 212a is arc-shaped and extends along the circumference of the outer shell 24, and the arc length of the first protrusion 211a is greater than the arc length of the second protrusion 212a.

[0080] like Figures 10 to 14 As shown, in the illustrated embodiment, the first protrusion 211 a is located in front of the second protrusion 212 a and is spaced apart from the second protrusion 212 a by a predetermined distance in the axial direction of the outer conductor 21 .

[0081] like Figures 10 to 14 As shown, in the illustrated embodiment, an opening 213 is formed on the front end of the outer shell 24 , and the auxiliary elastic arm 212 is suspended in the opening 213 and connected to the rear side of the opening 213 .

[0082] like Figures 10 to 14 As shown, in the illustrated embodiment, the rear end portion 25 a of the inner housing 25 is crimped together with the shielding layer 33 of the cable 3 .

[0083] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0084] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0085] 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.

[0086] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A connector terminal, characterized in that: include: An outer conductor (21) comprising a cylindrical body (210); an insulator (23) disposed in the outer conductor (21); and An inner conductor (22) is arranged in the insulator (23), The cylindrical body (210) has a front end and a rear end which are axially opposite to each other, and a plurality of axially extending separation slits (201) are formed on the front end of the cylindrical body (210) to separate the front end of the cylindrical body (210) into a plurality of main elastic arms (211); An auxiliary elastic arm (212) is formed on the main elastic arm (21), and the main elastic arm (211) and the auxiliary elastic arm (212) are suitable for simultaneously electrically contacting a matching outer conductor (21') of a matching connector inserted into the outer conductor (21).

2. The connector terminal according to claim 1, characterized in that: A first protrusion (211a) is formed on the inner side of the end of the main elastic arm (211), and the first protrusion (211a) is used as a first electrical contact point for electrical contact with the matching outer conductor (21'); A second protrusion (212a) is formed on the inner side of the distal end of the auxiliary elastic arm (212), and the second protrusion (212a) is used as a second electrical contact point for electrically contacting the mating outer conductor (21').

3. The connector terminal according to claim 2, characterized in that: The first protrusion (211a) is arc-shaped and extends along the circumference of the cylindrical body (210), the second protrusion (212a) is arc-shaped and extends along the circumference of the cylindrical body (210), and the arc length of the first protrusion (211a) is greater than the arc length of the second protrusion (212a).

4. The connector terminal according to claim 2, characterized in that: The first protrusion (211a) is located in front of the second protrusion (212a) and is spaced apart from the second protrusion (212a) by a predetermined distance in the axial direction of the cylindrical body (210).

5. The connector terminal according to claim 2, characterized in that: An opening (213) is formed on the main elastic arm (211), and the auxiliary elastic arm (212) is suspended in the opening (213) and connected to the side of the opening (213).

6. The connector terminal according to claim 5, characterized in that: The opening (213) has a front side and a rear side that are opposite to each other in the axial direction of the cylindrical body (210); The root of the auxiliary elastic arm (212) is connected to the rear side of the opening (213), and the end of the auxiliary elastic arm (212) is close to the front side of the opening (213).

7. The connector terminal according to claim 2, characterized in that: The plurality of separation slits (201) are evenly spaced and distributed in the circumferential direction of the cylindrical body (210); the plurality of main elastic arms (211) are evenly spaced and distributed in the circumferential direction of the cylindrical body (210); and the plurality of auxiliary elastic arms (212) are evenly spaced and distributed in the circumferential direction of the cylindrical body (210).

8. The connector terminal according to any one of claims 1 to 7, characterized in that: The number of the separation slits (201) on the front end of the tubular body (210) is three, so that the number of the main elastic arms (211) on the front end of the tubular body (210) is three; and The size of the main elastic arm (211) in the circumferential direction of the cylindrical body (210) is slightly smaller than one third of the circumference of the cylindrical body (210).

9. The connector terminal according to claim 8, characterized in that: One or more auxiliary elastic arms (212) are respectively formed on the three main elastic arms (211).

10. The connector terminal according to any one of claims 1 to 7, characterized in that: The outer conductor (21) further includes a support portion (214) connected to the rear end of the cylindrical body (210) and configured to abut against an inner wall of a mounting hole (101) in the connector housing (1) to position the rear end of the connector terminal (2) in the mounting hole (101).

11. The connector terminal according to claim 10, characterized in that: The support portion (214) comprises: a support ring (214a) having a diameter larger than that of the cylindrical body (210) and adapted to abut against an inner wall of a mounting hole (101) in a connector housing (1); and The tapered portion (214b) is connected between the support ring (214a) and the rear end of the cylindrical body (210).

12. The connector terminal according to claim 10, characterized in that: The outer conductor (21) is an integral stamped terminal made by stamping a single metal plate.

13. The connector terminal according to any one of claims 1 to 7, characterized in that: A plurality of positioning flanges (210a) are formed on the cylindrical body (210), and the plurality of positioning flanges (210a) are spaced apart in the axial direction of the cylindrical body (210); The positioning flange (210a) is used to abut against the inner wall of the mounting hole (101) in the connector housing (1) to position the connector terminal (2) in the mounting hole (101).

14. The connector terminal according to claim 13, characterized in that: An annular groove (202) is formed on the cylindrical body (210), and the annular groove (202) is defined between two adjacent positioning flanges (210a); The annular locking groove (202) is used to engage with a locking portion (41) on a terminal locking member (4) of the connector, so as to lock the connector terminal (2) in the connector housing (1).

15. A connector terminal, characterized in that: include: An outer conductor (21) comprising an outer shell (24) and an inner shell (25) assembled in the outer shell (24); An insulator (23) is arranged in an inner shell (25) of the outer conductor (21); and An inner conductor (22) is arranged in the insulator (23), The inner shell (25) has a front end and a rear end that are axially opposite to each other, and a plurality of axially extending separation slits (201) are formed on the front end of the inner shell (25) to separate the front end of the inner shell (25) into a plurality of main elastic arms (211); A plurality of auxiliary elastic arms (212) are formed on the front end of the outer shell (24), and the main elastic arm (211) and the auxiliary elastic arm (212) are suitable for simultaneously electrically contacting a matching outer conductor (21') of a matching connector inserted into the outer conductor (21).

16. The connector terminal according to claim 15, characterized in that: A first protrusion (211a) is formed on the inner side of the end of the main elastic arm (211), and the first protrusion (211a) is used as a first electrical contact point for electrical contact with the matching outer conductor (21'); A second protrusion (212a) is formed on the inner side of the distal end of the auxiliary elastic arm (212), and the second protrusion (211a) is used as a second electrical contact point for electrically contacting the mating outer conductor (21').

17. The connector terminal according to claim 16, characterized in that: The first protrusion (211a) is arc-shaped and extends along the circumference of the inner shell (25), the second protrusion (212a) is arc-shaped and extends along the circumference of the outer shell (24), and the arc length of the first protrusion (211a) is greater than the arc length of the second protrusion (212a).

18. The connector terminal according to claim 16, characterized in that: The first protrusion (211a) is located in front of the second protrusion (212a) and is spaced apart from the second protrusion (212a) by a predetermined distance in the axial direction of the outer conductor (21).

19. The connector terminal according to claim 16, characterized in that: An opening (213) is formed at the front end of the outer shell (24), and the auxiliary elastic arm (212) is suspended in the opening (213) and connected to the rear side of the opening (213).

20. A terminal assembly, characterized in that: include: The connector terminal (2) according to any one of claims 1 to 19; and A cable (3) connected to the rear end of the connector terminal (2), The inner conductor (22) and the outer conductor (21) of the connector terminal (2) are electrically connected to the conductor core (31) and the shielding layer (33) of the cable (3), respectively.

21. The terminal assembly according to claim 20, characterized in that: The rear end of the inner conductor (22) is crimped onto the conductor core (31) of the cable (3), and the rear end of the outer conductor (21) is crimped onto the shielding layer (33) and the outer insulating layer (34) of the cable (3).

22. A connector, characterized in that: include: A connector housing (1) is formed with an axially extending mounting hole (101); and The connector terminal (2) described in any one of claims 1 to 19 or the terminal assembly (2, 3) described in claim 20 or 21 is inserted into the mounting hole (101) of the connector housing (1).

23. The connector according to claim 22, characterized in that: A radially extending slot (102) is formed on the connector housing (1), and the slot (102) is communicated with the mounting hole (101); The connector further comprises a terminal locking member (4), the terminal locking member (4) being inserted into the slot (102), the terminal locking member (4) comprising a retaining portion (41) engaging with an annular retaining groove (202) on an outer conductor (21) of the connector terminal (2) so as to lock the connector terminal (2) in the connector housing (1).

24. A connector assembly, characterized in that: include: The connector according to claim 22 or 23; and A mating connector is mated with the connector.

25. The connector assembly according to claim 24, characterized in that: The mating connector comprises: A mating housing, used to mate with the connector housing (1); and A mating terminal (2') is installed in the mating housing and is used to mate with the connector terminal (2).

26. The connector assembly according to claim 25, characterized in that: The mating terminal (2') comprises: A matching outer conductor (21') is inserted into the outer conductor (21) of the connector terminal (2) and is electrically contacted with the main elastic arm (211) and the auxiliary elastic arm (212) on the outer conductor (21) at the same time; and The matching inner conductor (22') is matched and connected with the inner conductor (22) of the connector terminal (2).

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