CN220042347U

CN220042347U - Connector terminal, terminal assembly, connector and connector assembly

Info

Publication number: CN220042347U
Application number: CN202321722720.XU
Authority: CN
Inventors: 祁建佳; 潘锋; 张元明
Original assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Technology SIP Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Technology SIP Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-11-17
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a connector terminal, a terminal assembly, a connector and a connector assembly. The connector terminal includes: an outer conductor including a cylindrical main body; an insulator disposed in the outer conductor; and an inner conductor disposed in the insulator. The cylindrical body has axially opposite front and rear ends, 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 adapted to be simultaneously electrically contacted with a mating terminal of a mating connector inserted into the outer conductor. Accordingly, the present utility model improves the electrical contact performance and electromagnetic compatibility between the connector terminal and the counter terminal.

Description

Connector terminal, terminal assembly, connector and connector assembly

Technical Field

The present utility model 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

In the prior art, coaxial connectors generally include a housing and terminals mounted in the housing. The terminals of coaxial connectors generally include 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 portion of the outer conductor. The elastic arms are very small in size in the circumferential direction of the terminals, and plastic deformation is liable to occur, which may cause poor electrical contact between the terminals and the counterpart terminals. Furthermore, in the prior art, there is only a single electrical contact per spring arm, which also results in poor electrical contact, severely degrading the electromagnetic compatibility (EMC, electro Magnetic Compatibility) of the connector product.

Disclosure of Invention

The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.

According to one aspect of the present utility model, a connector terminal is provided. The connector terminal includes: an outer conductor including a cylindrical main body; an insulator disposed in the outer conductor; and an inner conductor disposed in the insulator. The cylindrical body has axially opposite front and rear ends, 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 adapted to be simultaneously electrically contacted with a mating outer conductor of a mating connector inserted into the outer conductor.

According to an exemplary embodiment of the present utility model, a first protrusion is formed inside the distal end of the main elastic arm, the first protrusion serving as a first electrical contact to be in electrical contact with the counter outer conductor; a second protrusion is formed inside the distal end of the auxiliary elastic arm, and the second protrusion serves as a second electrical contact electrically contacting the counter outer conductor.

According to another exemplary embodiment of the present utility model, the first protrusion is arc-shaped and extends in a circumferential direction of the cylindrical body, the second protrusion is arc-shaped and extends in a circumferential direction of the cylindrical body, and an arc length of the first protrusion is greater than an arc length of the second protrusion.

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

According to another exemplary embodiment of the present utility model, an opening is formed on the main elastic arm, and the auxiliary elastic arm is suspended in the opening and connected to a side of the opening.

According to another exemplary embodiment of the present utility model, the opening has front and rear sides opposite in an axial direction of the cylindrical body; the root of the auxiliary elastic arm is connected with the rear side edge of the opening, and the tail end of the auxiliary elastic arm is close to the front side edge of the opening.

According to another exemplary embodiment of the present utility model, the plurality of separation slits are uniformly spaced apart in the circumferential direction of the cylindrical body; the plurality of main elastic arms are uniformly distributed at intervals in the circumferential direction of the cylindrical main body; and a plurality of auxiliary elastic arms are uniformly spaced apart in the circumferential direction of the cylindrical body.

According to another exemplary embodiment of the present utility model, the number of the separation 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 dimension of the main elastic arm in the circumferential direction of the cylindrical body is slightly smaller than one third of the circumference of the cylindrical body.

According to another exemplary embodiment of the present utility model, one or more of the auxiliary elastic arms are formed on each of the three main elastic arms.

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

According to another exemplary embodiment of the present utility model, the outer conductor is an integrally stamped terminal made by stamping a single sheet of metal stock.

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

According to another exemplary embodiment of the present utility model, a plurality of positioning flanges are formed on the cylindrical body, the plurality of positioning flanges being spaced apart in an axial direction of the cylindrical body; the locating flange is for abutting against an inner wall of a mounting hole in the connector housing to locate the connector terminal in the mounting hole.

According to another exemplary embodiment of the present utility model, an annular clamping groove is formed on the cylindrical body, the annular clamping groove being defined between two adjacent positioning flanges; the annular clamping groove is used for being engaged with a clamping part on a terminal locking piece of a connector so as to lock the connector terminal in the connector shell.

According to another aspect of the present utility model, a connector terminal is provided. The connector terminal includes: an outer conductor including an outer housing and an inner housing assembled in the outer housing; an insulator disposed in the inner housing of the outer conductor; and an inner conductor disposed in the insulator. The inner housing has axially opposite front and rear ends, and a plurality of axially extending separation slits are formed on the front end of the inner housing to separate the front end of the inner housing into a plurality of main elastic arms; a plurality of auxiliary elastic arms are formed on a front end portion of the outer case, the main elastic arms and the auxiliary elastic arms being adapted to be simultaneously electrically contacted with a mating outer conductor of a mating connector inserted into the outer conductor.

According to an exemplary embodiment of the present utility model, the first protrusion is arc-shaped and extends in a circumferential direction of the inner case, the second protrusion is arc-shaped and extends in a circumferential direction of the outer case, and an arc length of the first protrusion is greater than an arc length of the second protrusion.

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

According to another exemplary embodiment of the present utility model, an opening is formed on a front end portion of the outer case, and the auxiliary elastic arm is suspended in the opening and connected to a rear side of the opening.

According to another aspect of the present utility model, a terminal assembly is provided. The terminal assembly includes: the connector terminal; and a cable connected to the rear end of the connector terminal, the inner conductor and the outer conductor of the connector terminal being electrically connected to the conductor core and the shield layer of the cable, respectively.

According to an exemplary embodiment of the utility model, 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.

According to another aspect of the present utility model, a connector is provided. The connector includes: a connector housing formed with an axially extending mounting hole; and the aforementioned connector terminal or terminal assembly, is inserted into the mounting hole of the connector housing.

According to an exemplary embodiment of the present utility model, a radially extending slot is formed on the connector housing, the slot communicating with the mounting hole; the connector further includes a terminal lock that is inserted into the slot, the terminal lock including a catch that engages with an annular catch on an outer conductor of the connector terminal to lock the connector terminal in the connector housing.

According to another aspect of the present utility model, a connector assembly is provided. The connector assembly includes: the connector; and a mating connector mated with the connector.

According to an exemplary embodiment of the present utility model, the mating connector includes: a mating housing for mating with the connector housing; and a mating terminal mounted in the mating housing for mating with the connector terminal.

According to another exemplary embodiment of the present utility model, the mating terminal includes: a mating outer conductor inserted into the outer conductor of the connector terminal and in simultaneous electrical contact with the primary and secondary spring arms on the outer conductor; and a mating inner conductor that is connected with the inner conductor of the connector terminal.

In the foregoing respective exemplary embodiments according to the present utility model, the main elastic arm and the auxiliary elastic arm of the outer conductor of the connector terminal can be simultaneously electrically contacted with the mating outer conductor of the mating terminal, and thus, the electrical contact performance and the electromagnetic compatibility performance between the connector terminal and the mating terminal are improved.

Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.

Drawings

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model;

FIG. 2 shows an exploded schematic view of a connector according to an exemplary embodiment of the utility model;

fig. 3 shows an exploded schematic view of a terminal assembly of a connector according to an exemplary embodiment of the present utility model;

fig. 4 shows an exploded cross-sectional view of a terminal assembly of a connector according to an exemplary embodiment of the present utility model;

fig. 5 shows an assembled cross-sectional view of a terminal assembly of a connector according to an exemplary embodiment of the present utility model;

fig. 6 shows a perspective view of an outer conductor of a connector terminal according to an exemplary embodiment of the present utility model;

fig. 7 shows a cross-sectional view of an outer conductor of a connector terminal according to an exemplary embodiment of the present utility model;

FIG. 8 shows a schematic diagram of a connector terminal mated with a mating terminal of a mating connector in accordance with an exemplary embodiment of the present utility model;

FIG. 9 shows a cross-sectional view of a connector according to an exemplary embodiment of the utility model;

fig. 10 shows a longitudinal cross-sectional view of a terminal assembly of a connector according to another exemplary embodiment of the present utility model;

fig. 11 shows a perspective view of an outer conductor of a connector terminal according to another exemplary embodiment of the present utility model;

fig. 12 shows a longitudinal cross-sectional view of an outer conductor of a connector terminal according to another exemplary embodiment of the present utility model;

fig. 13 shows an exploded schematic view of an outer conductor of a connector terminal according to another exemplary embodiment of the present utility model;

fig. 14 shows an exploded cross-sectional view of an outer conductor of a connector terminal according to another exemplary embodiment of the present utility model.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.

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

According to one general technical concept of the present utility model, a connector terminal is provided. The connector terminal includes: an outer conductor including a cylindrical main body; an insulator disposed in the outer conductor; and an inner conductor disposed in the insulator. The cylindrical body has axially opposite front and rear ends, 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 adapted to be simultaneously electrically contacted with a mating outer conductor of a mating connector inserted into the outer conductor.

According to another general technical concept of the present utility model, there is provided a terminal assembly. The terminal assembly includes: the connector terminal; and a cable connected to the rear end of the connector terminal, the inner conductor and the outer conductor of the connector terminal being electrically connected to the conductor core and the shield layer of the cable, respectively.

According to another general technical concept of the present utility model, a connector is provided. The connector includes: a connector housing formed with an axially extending mounting hole; and the aforementioned connector terminal or terminal assembly, is inserted into the mounting hole of the connector housing.

According to another general technical concept of the present utility model, a connector assembly is provided. The connector assembly includes: the connector; and a mating connector mated with the connector.

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model; FIG. 2 shows an exploded schematic view of a connector according to an exemplary embodiment of the utility model; fig. 3 shows an exploded schematic view of the terminal assemblies 2, 3 of a connector according to an exemplary embodiment of the utility model; fig. 4 shows an exploded cross-sectional view of the terminal assemblies 2, 3 of a connector according to an exemplary embodiment of the utility model; fig. 5 shows an assembled cross-sectional view of the terminal assemblies 2, 3 of the connector according to an exemplary embodiment of the utility model.

As shown in fig. 1 to 5, in an exemplary embodiment of the present utility model, a connector terminal 2 is disclosed. The connector terminal 2 mainly includes: an outer conductor 21 (or referred to as an outer terminal), an insulator 23, and an inner conductor 22 (or referred to as a center terminal). The outer conductor 21 includes a hollow cylindrical body 210. An insulator 23 is provided in the outer conductor 21. The inner conductor 22 is disposed in an insulator 23. The insulator 23 serves to hold the inner conductor 22 and electrically isolate the inner conductor 22 from the outer conductor 21.

Fig. 6 shows a perspective view of the outer conductor 21 of the connector terminal 2 according to an exemplary embodiment of the present utility model; fig. 7 shows a cross-sectional view of the outer conductor 21 of the connector terminal 2 according to an exemplary embodiment of the present utility model; fig. 8 shows a schematic diagram of a connector terminal 2 mated with a mating terminal 2' of a mating connector according to an exemplary embodiment of the present utility model; fig. 9 shows a cross-sectional view of a connector according to an exemplary embodiment of the utility model.

As shown in fig. 1 to 9, in the illustrated embodiment, the cylindrical body 210 has axially opposite front and rear ends, and a plurality of axially extending dividing slits 201 are formed on the front end portion of the cylindrical body 210 to divide the front end portion 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 211. The main spring arm 211 and the auxiliary spring arm 212 are adapted to be simultaneously electrically contacted with the counter outer conductor 21' of the counter connector inserted into the outer conductor 21. In this way, the electrical contact performance between the connector terminal 2 and the counter terminal 2' of the counter connector can be improved.

As shown in fig. 1 to 9, in the illustrated embodiment, a first protrusion 211a is formed inside the distal end of the main elastic arm 211, the first protrusion 211a serving as a first electrical contact to be in electrical contact with the counter outer conductor 21'. A second protrusion 212a is formed inside the distal end of the auxiliary elastic arm 212, the second protrusion 212a serving as a second electrical contact to be electrically contacted with the counter outer conductor 21'.

As shown in fig. 1 to 9, in the illustrated embodiment, the first protrusion 211a is arc-shaped and extends in the circumferential direction of the cylindrical body 210, the second protrusion 212a is arc-shaped and extends in the circumferential direction of the cylindrical body 210, and the arc length of the first protrusion 211a is greater than the arc length of the second protrusion 212 a.

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

As shown in fig. 1 to 9, 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 a side of the opening 213.

As shown in fig. 1 to 9, in the illustrated embodiment, the opening 213 on the main elastic arm 211 has front and rear sides opposite 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 tip of the auxiliary elastic arm 212 is close to the front side of the opening 213.

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

As shown in fig. 1 to 9, in the illustrated embodiment, the number of the separation slits 201 on the front end portion of the cylindrical body 210 is three, so that the number of the main elastic arms 211 on the front end portion of the cylindrical body 210 is three. Therefore, in the illustrated embodiment, the dimension of the main elastic arm 211 in the circumferential direction of the cylindrical body 210 is slightly smaller than one third of the circumferential length of the cylindrical body 210, and therefore, the main elastic arm 211 has a large strength, is not plastically deformed when being aligned with the mating terminal 2', and improves the reliability of the electrical contact between the connector terminal 2 and the mating terminal 2'.

As shown in fig. 1 to 9, in the illustrated embodiment, one auxiliary elastic arm 212 is formed on each of the three main elastic arms 211. However, the present utility model is not limited to the illustrated embodiment, and for example, a plurality of auxiliary elastic arms 212 may be formed on the main elastic arm 211.

As shown in fig. 1 to 9, in the illustrated embodiment, the outer conductor 21 further includes a support portion 214, the support portion 214 being connected to the rear end of the cylindrical body 210 for abutting 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.

As shown in fig. 1 to 9, in the illustrated embodiment, the support 214 includes: a support ring 214a and a taper 214b. The support ring 214a has a larger diameter than the cylindrical body 210 for abutting 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 tubular body 210.

As shown in fig. 1 to 9, in the illustrated embodiment, a plurality of positioning flanges 210a are formed on the cylindrical body 210, the plurality of positioning flanges 210a being spaced apart in the axial direction of the cylindrical body 210. The positioning flange 210a is for abutting 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.

As shown in fig. 1 to 9, in the illustrated embodiment, an annular catching groove 202 is formed on the cylindrical body 210, the annular catching groove 202 being defined between adjacent two positioning flanges 210 a. The annular clamping groove 202 is for engagement with the clamping portion 41 on the terminal locking member 4 of the connector to lock the connector terminal 2 in the connector housing 1.

As shown in fig. 1 to 9, in the illustrated embodiment, the aforementioned outer conductor 21 is an integrally stamped terminal made by stamping a single sheet of metal stock.

In another exemplary embodiment of the present utility model, as shown in fig. 1-9, a terminal assembly 2, 3 is also disclosed. The terminal assemblies 2, 3 include: 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 shield layer 33 of the cable 3, respectively.

As shown in fig. 1 to 9, 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.

In another exemplary embodiment of the present utility model, as shown in fig. 1 to 9, a connector is also disclosed. The connector mainly comprises: a connector housing 1 and the aforementioned connector terminals 2 or the aforementioned terminal assemblies 2, 3. The connector housing 1 is formed with an axially extending mounting hole 101. The connector terminals 2 or the terminal assemblies 2, 3 are inserted into the mounting holes 101 of the connector housing 1.

As shown in fig. 1 to 9, in the illustrated embodiment, a radially extending slot 102 is formed in the connector housing 1, the slot 102 communicating with the mounting hole 101. The connector further includes a terminal lock 4, the terminal lock 4 being inserted into the slot 102, the terminal lock 4 including a catch 41 that engages with an annular catch groove 202 on the outer conductor 21 of the connector terminal 2 to lock the connector terminal 2 in the connector housing 1.

In another exemplary embodiment of the present utility model, as shown in fig. 1-9, a connector assembly is also disclosed. The connector assembly mainly comprises: a connector; and a mating connector mated with the connector.

As shown in fig. 1 to 9, in the illustrated embodiment, the counter connector includes: a mating housing (not shown) and a mating terminal 2'. The mating housing is for mating with the connector housing 1. The mating terminal 2' is mounted in the mating housing for mating with the connector terminal 2.

As shown in fig. 1 to 9, in the illustrated embodiment, the mating terminal 2' includes: a counter outer conductor 21 'and a counter inner conductor 22'. The counter outer conductor 21' is inserted into the outer conductor 21 of the connector terminal 2 and is in simultaneous electrical contact with the main spring arm 211 and the auxiliary spring arm 212 on the outer conductor 21. The counter inner conductor 22' is connected to the inner conductor 22 of the connector terminal 2.

Fig. 10 shows a longitudinal cross-sectional view of a terminal assembly of a connector according to another exemplary embodiment of the present utility model; fig. 11 shows a perspective view of an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present utility model; fig. 12 shows a longitudinal cross-sectional view of an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present utility model; fig. 13 shows an exploded schematic view of an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present utility model; fig. 14 shows an exploded cross-sectional view of an outer conductor 21 of a connector terminal according to another exemplary embodiment of the present utility model.

As shown in fig. 10 to 14, in another exemplary embodiment of the present utility model, 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 case 24 and an inner case 25 assembled in the outer case 24. The insulator 23 is disposed in the inner housing 25 of the outer conductor 21. The inner conductor 22 is disposed in an insulator 23. The inner housing 25 has axially opposite front and rear ends, and a plurality of axially extending dividing slits 201 are formed on the front end portion of the inner housing 25 to divide the front end portion of the inner housing 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 case 24. The main spring arm 211 and the auxiliary spring arm 212 on the outer conductor 21 are adapted to be simultaneously in electrical contact with a counter outer conductor 21' (see fig. 8) of a counter connector inserted into the outer conductor 21.

As shown in fig. 10 to 14, in the illustrated embodiment, a first protrusion 211a is formed inside the distal end of the main elastic arm 211, the first protrusion 211a serving as a first electrical contact to be in electrical contact with the counter outer conductor 21'. A second protrusion 212a is formed inside the distal end of the auxiliary elastic arm 212, the second protrusion 212a serving as a second electrical contact to be electrically contacted with the counter outer conductor 21'.

As shown in fig. 10 to 14, in the illustrated embodiment, the first protrusion 211a is arc-shaped and extends in the circumferential direction of the inner case 25, the second protrusion 212a is arc-shaped and extends in the circumferential direction of the outer case 24, and the arc length of the first protrusion 211a is greater than the arc length of the second protrusion 212 a.

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

As shown in fig. 10 to 14, in the illustrated embodiment, an opening 213 is formed on the front end portion of the outer case 24, and the auxiliary elastic arm 212 is suspended in the opening 213 and connected to the rear side of the opening 213.

As shown in fig. 10 to 14, in the illustrated embodiment, the rear end portion 25a of the inner housing 25 is crimped with the shielding layer 33 of the cable 3.

It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and that modifications may be made to the embodiments described in various embodiments without structural or conceptual aspects and that these variations may be resorted to without departing from the scope of the utility model.

Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to be construed as limiting the utility model.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in 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.

It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.

Claims

1. A connector terminal, comprising:

an outer conductor (21) comprising a tubular body (210);

an insulator (23) provided in the outer conductor (21); and

an inner conductor (22) disposed in the insulator (23),

the tubular body (210) has axially opposite front and rear ends, and a plurality of axially extending separation slits (201) are formed in the front end portion of the tubular body (210) to separate the front end portion of the tubular body (210) into a plurality of main elastic arms (211);

an auxiliary elastic arm (212) is formed on the main elastic arm (211), the main elastic arm (211) and the auxiliary elastic arm (212) being adapted to be simultaneously electrically contacted with a counter outer conductor (21') of a counter connector inserted into the outer conductor (21).

2. The connector terminal of claim 1, wherein:

a first protrusion (211 a) is formed inside the distal end of the main elastic arm (211), the first protrusion (211 a) serving as a first electrical contact to the counter outer conductor (21');

a second protrusion (212 a) is formed inside the tip of the auxiliary elastic arm (212), and the second protrusion (212 a) serves as a second electrical contact electrically contacting the counter outer conductor (21').

3. The connector terminal according to claim 2, wherein:

the first protrusion (211 a) is arc-shaped and extends along the circumferential direction of the cylindrical body (210), the second protrusion (212 a) is arc-shaped and extends along the circumferential direction of the cylindrical body (210), and the arc length of the first protrusion (211 a) is greater than the arc length of the second protrusion (212 a).

4. The connector terminal according to claim 2, wherein:

the first protrusion (211 a) is located in front of the second protrusion (212 a) and spaced apart from the second protrusion (212 a) by a predetermined distance in the axial direction of the cylindrical body (210).

5. The connector terminal according to claim 2, wherein:

an opening (213) is formed in the main elastic arm (211), and the auxiliary elastic arm (212) is suspended in the opening (213) and connected to a side of the opening (213).

6. The connector terminal of claim 5, wherein:

the opening (213) has front and rear sides opposed in the axial direction of the cylindrical body (210);

the root of the auxiliary elastic arm (212) is connected with the rear side of the opening (213), and the tail 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, wherein:

the plurality of separation slits (201) are uniformly distributed at intervals in the circumferential direction of the cylindrical main body (210); the plurality of main elastic arms (211) are uniformly spaced apart in the circumferential direction of the cylindrical body (210); and a plurality of auxiliary elastic arms (212) are uniformly spaced apart in the circumferential direction of the cylindrical body (210).

8. The connector terminal according to any one of claims 1 to 7, wherein:

the number of separation slits (201) on the front end portion of the tubular body (210) is three, so that the number of main elastic arms (211) on the front end portion of the tubular body (210) is three; and is also provided with

The dimension 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 of claim 8, wherein:

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, wherein:

the outer conductor (21) further includes a support portion (214), the support portion (214) being connected to the rear end of the cylindrical body (210) for abutting 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 of claim 10, wherein:

the support part (214) includes:

a support ring (214 a) having a diameter larger than the cylindrical body (210) for abutting against an inner wall of the mounting hole (101) in the connector housing (1); and

and a tapered portion (214 b) connected between the support ring (214 a) and the rear end of the tubular body (210).

12. The connector terminal of claim 10, wherein:

the outer conductor (21) is an integral stamped terminal made by stamping a single metal blank.

13. The connector terminal according to any one of claims 1 to 7, wherein:

a plurality of positioning flanges (210 a) are formed on the cylindrical body (210), the plurality of positioning flanges (210 a) being spaced apart in the axial direction of the cylindrical body (210);

the positioning flange (210 a) is used for abutting against the inner wall of a mounting hole (101) in the connector housing (1) to position the connector terminal (2) in the mounting hole (101).

14. The connector terminal of claim 13, wherein:

an annular clamping groove (202) is formed on the cylindrical main body (210), and the annular clamping groove (202) is limited between two adjacent positioning flanges (210 a);

the annular clamping groove (202) is used for being engaged with a clamping part (41) on a terminal locking piece (4) of a connector so as to lock the connector terminal (2) in the connector shell (1).

15. A connector terminal, comprising:

an outer conductor (21) including an outer case (24) and an inner case (25) assembled in the outer case (24);

an insulator (23) provided in an inner case (25) of the outer conductor (21); and

an inner conductor (22) disposed in the insulator (23),

the inner housing (25) has axially opposite front and rear ends, and a plurality of axially extending separation slits (201) are formed on the front end portion of the inner housing (25) to separate the front end portion of the inner housing (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 case (24), and the main elastic arms (211) and the auxiliary elastic arms (212) are adapted to be simultaneously electrically contacted with a counter outer conductor (21') of a counter connector inserted into the outer conductor (21).

16. The connector terminal of claim 15, wherein:

17. The connector terminal of claim 16, wherein:

the first protrusion (211 a) is arc-shaped and extends along the circumferential direction of the inner housing (25), the second protrusion (212 a) is arc-shaped and extends along the circumferential direction of the outer housing (24), and the arc length of the first protrusion (211 a) is greater than the arc length of the second protrusion (212 a).

18. The connector terminal of claim 16, wherein:

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).

19. The connector terminal of claim 16, wherein:

an opening (213) is formed on the front end portion of the outer case (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, comprising:

the connector terminal (2) of any one of claims 1-19; 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 of claim 20, wherein:

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, comprising:

a connector housing (1) formed with an axially extending mounting hole (101); and

the connector terminal (2) of any one of claims 1-19 or the terminal assembly of claim 20 or 21, being inserted into a mounting hole (101) of the connector housing (1).

23. The connector of claim 22, wherein:

-forming a radially extending slot (102) in the connector housing (1), the slot (102) being in communication with the mounting hole (101);

the connector further comprises a terminal lock (4), the terminal lock (4) being inserted into the slot (102), the terminal lock (4) comprising a catch (41) engaging with an annular catch groove (202) on an outer conductor (21) of the connector terminal (2) to lock the connector terminal (2) in the connector housing (1).

24. A connector assembly, comprising:

the connector of claim 22 or 23; and

and the mating connector is mated with the connector.

25. The connector assembly of claim 24, wherein:

the mating connector includes:

a mating housing for mating with the connector housing (1); and

-a mating terminal (2') mounted in the mating housing for mating with the connector terminal (2).

26. The connector assembly of claim 25, wherein:

the mating terminal (2') includes:

-mating outer conductors (21'), inserted into the outer conductors (21) of the connector terminals (2) and in simultaneous electrical contact with primary (211) and secondary (212) resilient arms on the outer conductors (21); and

and a mating inner conductor which is connected with the inner conductor (22) of the connector terminal (2) in a mating manner.