Terminal assembly, connector and connector assembly

Abstract

The invention discloses a terminal assembly, a connector, a male end connector, a female end connector and a connector assembly. The terminal assembly includes: an outer terminal including a cylindrical body; an insulator provided in the outer terminal; a center terminal disposed in the insulator; and a cable having a conductor core and a shield layer. The cylindrical main body is provided with a welding part, the welding part is sleeved and welded on an exposed shielding layer of the cable, and the center terminal is electrically connected to an exposed conductor core of the cable. According to the connector, the outer terminal is welded on the shielding layer of the cable, so that the size of the connector is reduced, the manufacturing cost of the connector is reduced, and the manufacturing efficiency of the connector is improved; according to the invention, the central terminal can be connected to the cable conductor through a crimping or welding process, so that the mechanical performance is improved; in addition, contact resistance between the outer terminal and the shielding layer and contact resistance between the center terminal and the conductor core can be reduced, and the high-frequency performance of the connector is greatly improved.

Description

Technical Field

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

[0002] In the prior art, a connector generally includes a housing and a terminal assembly inserted into the housing. The terminal assembly generally includes an outer terminal, an insulator, a center terminal and a cable. The insulator is disposed in the outer terminal, and the center terminal is disposed in the insulator. The rear end of the outer terminal is crimped to the shielding layer (or braided layer) of the cable through a crimping ring, and the rear end of the center terminal is crimped to the conductor core of the cable. However, the crimping process requires the use of dedicated crimping equipment, resulting in high costs and low crimping efficiency. In addition, after crimping, the contact resistance between the outer terminal and the shielding layer and between the center terminal and the conductor core is large, which results in poor high-frequency performance of the connector. 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 terminal assembly is provided. The terminal assembly comprises: an outer terminal including a cylindrical body; an insulator disposed in the outer terminal; a center terminal disposed in the insulator; and a cable having a conductor core and a shielding layer. The cylindrical body has a welding portion, the welding portion is fitted and welded to the shielding layer exposed outside the cable, and the center terminal is electrically connected to the conductor core exposed outside the cable.

[0005] According to an exemplary embodiment of the present invention, the center terminal has a front end and a rear end that are axially opposite to each other, and the rear end of the center terminal is crimped or welded to the externally exposed conductor core of the cable.

[0006] According to another exemplary embodiment of the present invention, the outer terminal and the center terminal are respectively integrally formed parts.

[0007] According to another exemplary embodiment of the present invention, an observation window is formed on the welding portion of the external terminal for observing the welding condition between the welding portion and the shielding layer.

[0008] According to another exemplary embodiment of the present invention, the cylindrical body has a front end and a rear end which are axially opposite to each other, and the rear end of the cylindrical body is sleeved and crimped onto the outer insulation layer of the cable.

[0009] According to another exemplary embodiment of the present invention, the welding portion of the cylindrical body is adjacent to and connected to the rear end portion of the cylindrical body.

[0010] According to another exemplary embodiment of the present invention, annular positioning flanges are respectively formed on the rear end portion and the middle portion of the cylindrical body, and the outer circumferential surface of the positioning flange is suitable for abutting against the inner circumferential surface of the connector shell to radially position the terminal assembly.

[0011] According to another exemplary embodiment of the present invention, the positioning flange on the middle portion of the cylindrical body is adapted to engage with an elastic lock on a housing of the connector to lock the terminal assembly in the housing of the connector.

[0012] According to another aspect of the present invention, there is provided a connector, comprising: a housing; and a terminal assembly inserted into the housing.

[0013] According to another aspect of the present invention, there is provided a male connector, comprising: a shell; and a terminal assembly inserted into the shell, wherein the outer terminal and the center terminal of the male connector are suitable for being respectively inserted into the outer terminal and the center terminal of the female connector.

[0014] According to an exemplary embodiment of the present invention, an elastic lock and a positioning step are formed in the shell, and the positioning step is axially opposite to and spaced apart from the end face of the elastic lock; the positioning flange on the outer terminal of the male connector is engaged in the gap between the end face of the elastic lock and the positioning step to lock the terminal assembly in the shell.

[0015] According to another exemplary embodiment of the present invention, a window is formed on the outer peripheral wall of the shell, and the elastic lock buckle is suspended in the window and exposed outside the window, so that the elastic lock buckle can be driven by an unlocking tool inserted into the window to an unlocking position separated from the positioning flange.

[0016] According to another aspect of the present invention, there is provided a female connector, comprising: a shell; and a terminal assembly, which is inserted into the shell, and the outer terminal and the center terminal of the female connector are suitable for respectively electrically contacting the outer terminal and the center terminal of the inserted male connector.

[0017] According to an exemplary embodiment of the present invention, a plurality of axially extending separation slits are formed on the front end portion of the cylindrical body of the outer terminal of the female connector to separate the front end portion 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 making electrical contact with the outer terminal of the inserted male connector.

[0018] 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.

[0019] According to another exemplary embodiment of the present invention, an elastic lock catch and a slot are formed on the outer peripheral wall of the shell, and the elastic lock catch is suitable for moving between a locking position engaged with the slot and an unlocking position separated from the slot; two positioning flanges are formed on the middle part of the cylindrical body of the outer terminal of the female connector, and the two positioning flanges are axially opposite and spaced apart; when the elastic lock catch is moved to the locking position, the end of the elastic lock catch is engaged in the recess between the two positioning flanges to lock the terminal assembly in the shell.

[0020] According to another aspect of the present invention, there is provided a connector assembly, comprising: a male connector; and a female connector mating with the male connector.

[0021] In the above exemplary embodiments of the present invention, the outer terminal is welded to the shielding layer of the cable, which reduces the size of the connector, reduces the manufacturing cost of the connector, and improves the manufacturing efficiency of the connector. In addition, the present invention can also reduce the contact resistance between the outer terminal and the shielding layer and between the center terminal and the conductor core, greatly improving the high-frequency performance of the connector.

[0022] 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

[0023] Figure 1 A three-dimensional schematic diagram showing a male connector according to an exemplary embodiment of the present invention;

[0024] Figure 2 An axial cross-sectional view showing a male connector according to an exemplary embodiment of the present invention;

[0025] Figure 3 An exploded schematic diagram showing a male connector according to an exemplary embodiment of the present invention;

[0026] Figure 4 A perspective schematic diagram showing a terminal assembly of a male connector according to an exemplary embodiment of the present invention;

[0027] Figure 5 An axial cross-sectional view showing a terminal assembly of a male connector according to an exemplary embodiment of the present invention;

[0028] Figure 6 A perspective schematic diagram showing a female connector according to an exemplary embodiment of the present invention;

[0029] Figure 7An axial cross-sectional view showing a female connector according to an exemplary embodiment of the present invention;

[0030] Figure 8 An exploded schematic diagram showing a female connector according to an exemplary embodiment of the present invention;

[0031] Fig. 9 A perspective schematic diagram showing a terminal assembly of a female connector according to an exemplary embodiment of the present invention;

[0032] Fig.10 An axial cross-sectional view showing a terminal assembly of a female connector according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0033] 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.

[0034] 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.

[0035] According to an overall technical concept of the present invention, a terminal assembly is provided. The terminal assembly includes: an outer terminal including a cylindrical body; an insulator disposed in the outer terminal; a center terminal disposed in the insulator; and a cable having a conductor core and a shielding layer. The cylindrical body has a welding portion, the welding portion is fitted and welded to the shielding layer exposed outside the cable, and the center terminal is electrically connected to the conductor core exposed outside the cable.

[0036] According to another general technical concept of the present invention, there is provided a connector, comprising: a housing; and the aforementioned terminal assembly inserted into the housing.

[0037] According to another overall technical concept of the present invention, a male connector is provided, comprising: a shell; and the aforementioned terminal assembly, which is inserted into the shell, and the outer terminal and the center terminal of the male connector are suitable for being respectively inserted into the outer terminal and the center terminal of the female connector.

[0038] According to another overall technical concept of the present invention, a female connector is provided, comprising: a shell; and the aforementioned terminal assembly, which is inserted into the shell, and the outer terminals and the center terminals of the female connector are suitable for respectively electrically contacting the outer terminals and the center terminals of the inserted male connector.

[0039] Embodiment of male connector

[0040] Figures 1 to 5 A male connector 1 according to an exemplary embodiment of the present invention is shown. Figure 1 A three-dimensional schematic diagram showing a male connector 1 according to an exemplary embodiment of the present invention; Figure 2 An axial cross-sectional view showing a male connector 1 according to an exemplary embodiment of the present invention; Figure 3 An exploded schematic diagram showing a male connector 1 according to an exemplary embodiment of the present invention; Figure 4 A perspective schematic diagram showing a terminal assembly 100 of a male connector 1 according to an exemplary embodiment of the present invention; Figure 5 An axial cross-sectional view of a terminal assembly 100 of a male connector 1 according to an exemplary embodiment of the present invention is shown.

[0041] like Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a terminal assembly 100 of a male connector 1 is disclosed. The terminal assembly 100 includes: an outer terminal 11, a center terminal 12, an insulator 13 and a cable 14. The outer terminal 11 includes a cylindrical body 110. The insulator 13 is arranged in the outer terminal 11. The center terminal 12 is arranged in the insulator 13. The cable 14 includes a conductor core 141, an inner insulating layer 142 wrapping the conductor core 141, a shielding layer 143 wrapping the inner insulating layer 142 and an outer insulating layer 144 wrapping the shielding layer 143.

[0042] like Figures 1 to 5 As shown, in the illustrated embodiment, the cylindrical body 110 has a welding portion 112, and the welding portion 112 is fitted and welded to the shielding layer 143 exposed outside the cable 14. The center terminal 12 is electrically connected to the conductor core 141 exposed outside the cable 14.

[0043] like Figures 1 to 5 As shown, in the illustrated embodiment, the center terminal 12 has an axially opposite front end and rear end, and the rear end 121 of the center terminal 12 is crimped or welded to the exposed conductor core 141 of the cable 14. The front end 122 of the center terminal 12 is used to mate with the center terminal 22 of the female connector 2.

[0044] like Figures 1 to 5As shown, in the illustrated embodiment, the outer terminal 11 and the center terminal 12 are integrally formed parts. For example, the outer terminal 11 and the center terminal 12 can be integrally stamped parts or integrally machined parts.

[0045] like Figures 1 to 5 As shown, in the illustrated embodiment, an observation window 113 is formed on the welding portion 112 of the external terminal 11 for observing the welding condition between the welding portion 112 and the shielding layer 143 .

[0046] like Figures 1 to 5 As shown, in the illustrated embodiment, the cylindrical body 110 has a front end and a rear end axially opposite to each other, and the rear end 111 of the cylindrical body 110 is sleeved and crimped onto the outer insulating layer 144 of the cable 14 .

[0047] like Figures 1 to 5 As shown, in the illustrated embodiment, the welding portion 112 of the cylindrical body 110 is adjacent to and connected to the rear end portion 111 of the cylindrical body 110 .

[0048] like Figures 1 to 5 As shown, in the illustrated embodiment, an annular positioning flange 11a is respectively formed on the rear end portion 111 and the middle portion of the cylindrical body 110, and the outer peripheral surface of the positioning flange 11a is suitable for abutting against the inner peripheral surface of the shell 10 of the male connector 1 to radially position the terminal assembly 100.

[0049] like Figures 1 to 5 As shown, in the illustrated embodiment, the positioning flange 11 a on the middle portion of the cylindrical body 110 is adapted to engage with the elastic lock 101 on the housing 10 of the male connector 1 to lock the terminal assembly 100 in the housing 10 of the male connector 1 .

[0050] like Figures 1 to 5 As shown, in another exemplary embodiment of the present invention, a male connector 1 is also disclosed. The male connector 1 includes: a housing 10 and a terminal assembly 100. The terminal assembly 100 is inserted into the housing 10. The outer terminal 11 and the center terminal 12 of the male connector 1 are suitable for being inserted into the outer terminal 21 and the center terminal 22 of the female connector 2, respectively.

[0051] like Figures 1 to 5 As shown, in the illustrated embodiment, an elastic lock catch 101 and a positioning step 102a are formed in the housing 10, and the positioning step 102a is axially opposite to and spaced from the end face 101a of the elastic lock catch 101. The positioning flange 11a on the outer terminal 11 of the male connector 1 is engaged in the gap 103 between the end face 101a of the elastic lock catch 101 and the positioning step 102a to lock the terminal assembly 100 in the housing 10.

[0052] like Figures 1 to 5 As shown, in the illustrated embodiment, a window 102 is formed on the outer peripheral wall of the shell 10, and the elastic lock buckle 101 is suspended in the window 102 and exposed through the window 102, so that the elastic lock buckle 101 can be driven by an unlocking tool (not shown) inserted into the window 102 to an unlocking position separated from the positioning flange 11a.

[0053] like Figures 1 to 5 As shown, in the illustrated embodiment, the outer terminal 11 is welded to the shielding layer 143 of the cable 14, which reduces the size of the male connector 1, reduces the manufacturing cost of the male connector 1, and improves the manufacturing efficiency of the male connector 1. Moreover, the present invention can also reduce the contact resistance between the outer terminal 11 and the shielding layer 143 and between the center terminal 12 and the conductor core 141, greatly improving the high-frequency performance of the male connector 1.

[0054] Embodiment of female connector

[0055] Figures 6 to 10 A female connector 2 according to an exemplary embodiment of the present invention is shown. Figure 6 A perspective schematic diagram showing a female connector 2 according to an exemplary embodiment of the present invention; Figure 7 An axial cross-sectional view showing a female connector 2 according to an exemplary embodiment of the present invention; Figure 8 An exploded schematic diagram showing a female connector 2 according to an exemplary embodiment of the present invention; Fig. 9 A perspective schematic diagram showing a terminal assembly 200 of a female connector 2 according to an exemplary embodiment of the present invention; Fig.10 An axial cross-sectional view of a terminal assembly 200 of a female connector 2 according to an exemplary embodiment of the present invention is shown.

[0056] like Figures 6 to 10 As shown, in an exemplary embodiment of the present invention, a terminal assembly 200 of a female connector 2 is disclosed. The terminal assembly 200 includes: an outer terminal 21, a center terminal 22, an insulator 23 and a cable 24. The outer terminal 21 includes a cylindrical body 210. The insulator 23 is arranged in the outer terminal 21. The center terminal 22 is arranged in the insulator 23. The cable 24 includes a conductor core 241, an inner insulating layer 242 wrapping the conductor core 241, a shielding layer 243 wrapping the inner insulating layer 242, and an outer insulating layer 244 wrapping the shielding layer 243.

[0057] like Figures 6 to 10 As shown, in the illustrated embodiment, the cylindrical body 210 has a welding portion 212 which is fitted and welded to the shielding layer 243 exposed outside the cable 24. The center terminal 22 is electrically connected to the conductor core 241 exposed outside the cable 24.

[0058] like Figures 6 to 10 As shown, in the illustrated embodiment, the center terminal 22 has a front end and a rear end axially opposite to each other, and the rear end 221 of the center terminal 22 is crimped or welded to the exposed conductor core 241 of the cable 24. The front end 222 of the center terminal 22 is used to mate with the center terminal 12 of the male connector 1.

[0059] like Figures 6 to 10 As shown, in the illustrated embodiment, the outer terminal 21 and the center terminal 22 are respectively integrally formed parts. For example, the outer terminal 21 and the center terminal 22 can be respectively integrally stamped parts or integrally machined parts.

[0060] like Figures 6 to 10 As shown, in the illustrated embodiment, an observation window 213 is formed on the welding portion 212 of the external terminal 21 for observing the welding condition between the welding portion 212 and the shielding layer 243 .

[0061] like Figures 6 to 10 As shown, in the illustrated embodiment, the cylindrical body 210 has a front end and a rear end axially opposite to each other, and the rear end portion 211 of the cylindrical body 210 is sleeved and crimped onto the outer insulating layer 244 of the cable 24 .

[0062] like Figures 6 to 10 As shown, in the illustrated embodiment, the welding portion 212 of the cylindrical body 210 is adjacent to and connected to the rear end portion 211 of the cylindrical body 210 .

[0063] like Figures 6 to 10 As shown, in the illustrated embodiment, an annular positioning flange 21a is respectively formed on the rear end portion 211 and the middle portion of the cylindrical body 210, and the outer peripheral surface of the positioning flange 21a is suitable for abutting against the inner peripheral surface of the shell 20 of the female connector 2 to radially position the terminal assembly 200.

[0064] like Figures 6 to 10 As shown, in the illustrated embodiment, the positioning flange 21 a on the middle portion of the cylindrical body 210 is adapted to engage with the elastic lock 201 on the housing 20 of the female connector 2 to lock the terminal assembly 200 in the housing 20 of the female connector 2.

[0065] like Figures 6 to 10 As shown, in another exemplary embodiment of the present invention, a female connector 2 is also disclosed, and the female connector 2 includes: a housing 20 and a terminal assembly 200. The terminal assembly 200 is inserted into the housing 20. The outer terminal 21 and the center terminal 22 of the female connector 2 are suitable for respectively electrically contacting the outer terminal 11 and the center terminal 12 of the inserted male connector 1.

[0066] like Figures 6 to 10As shown, in the illustrated embodiment, a plurality of axially extending separation slits 214d are formed on the front end portion 214 of the cylindrical body 210 of the outer terminal 21 of the female connector 2 to separate the front end portion 214 of the cylindrical body 210 into a plurality of main elastic arms 214a. Auxiliary elastic arms 214b are formed on the main elastic arms 214a, and the main elastic arms 214a and the auxiliary elastic arms 214b are suitable for simultaneously electrically contacting the outer terminal 11 of the inserted male connector 1.

[0067] like Figures 6 to 10 As shown, in the illustrated embodiment, an opening 214c is formed on the main elastic arm 214a, and the auxiliary elastic arm 214b is suspended in the opening 214c and connected to the side of the opening 214c.

[0068] like Figures 6 to 10 As shown, in the illustrated embodiment, an elastic lock catch 201 and a slot 202 are formed on the outer peripheral wall of the housing 20, and the elastic lock catch 201 is suitable for moving between a locking position engaged with the slot 202 and an unlocking position separated from the slot 202. Two positioning flanges 21a are formed on the middle part of the cylindrical body 210 of the outer terminal 21 of the female connector 2, and the two positioning flanges 21a are axially opposite and spaced apart. When the elastic lock catch 201 is moved to the locking position, the end 201a of the elastic lock catch 201 is engaged in the recess 21b between the two positioning flanges 21a to lock the terminal assembly 200 in the housing 20.

[0069] like Figures 6 to 10 As shown, in the illustrated embodiment, the outer terminal 21 is welded to the shielding layer 243 of the cable 24, which reduces the size of the female connector 2, reduces the manufacturing cost of the female connector 2, and improves the manufacturing efficiency of the female connector 2. Moreover, the present invention can also reduce the contact resistance between the outer terminal 21 and the shielding layer 243 and between the center terminal 22 and the conductor core 241, greatly improving the high-frequency performance of the female connector 2.

[0070] Embodiments of connector assemblies

[0071] like Figures 1 to 10 As shown, in an exemplary embodiment of the present invention, a connector assembly is disclosed. The connector assembly includes: Figure 1-5 The male connector 1 and Figure 6-10 The female connector 2 is shown. The male connector 1 is mated with the female connector 2.

[0072] 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.

[0073] 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.

[0074] 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 by the claims and their equivalents.

[0075] 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 terminal assembly, characterized in that: include: External terminal, including cylindrical body; an insulator, disposed in the outer terminal; a center terminal disposed in the insulator; and Cable, having a conductor core and a shielding layer, The cylindrical body has a welding portion, and the welding portion is fitted and welded to the shielding layer exposed outside the cable. The center terminal is electrically connected to the externally exposed conductor core of the cable.

2. The terminal assembly according to claim 1, characterized in that: The central terminal has a front end and a rear end which are axially opposite to each other, and the rear end of the central terminal is crimped or welded to the conductor core exposed outside the cable.

3. The terminal assembly according to claim 1, characterized in that: The outer terminal and the center terminal are respectively integrally formed parts.

4. The terminal assembly according to claim 1, characterized in that: An observation window is formed on the welding portion of the external terminal for observing the welding condition between the welding portion and the shielding layer.

5. The terminal assembly according to claim 1, characterized in that: The cylindrical body has a front end and a rear end which are axially opposite to each other, and the rear end of the cylindrical body is sleeved and crimped onto the outer insulating layer of the cable.

6. The terminal assembly according to claim 5, characterized in that: The welding portion of the cylindrical body is adjacent to and connected to the rear end portion of the cylindrical body.

7. The terminal assembly according to claim 5, characterized in that: Annular positioning flanges are respectively formed on the rear end portion and the middle portion of the cylindrical body, and the outer circumferential surface of the positioning flange is suitable for abutting against the inner circumferential surface of the housing of the connector to radially position the terminal assembly.

8. The terminal assembly according to claim 7, characterized in that: The positioning flange on the middle portion of the cylindrical body is suitable for engaging with the elastic lock on the housing of the connector to lock the terminal assembly in the housing of the connector.

9. A connector, characterized in that: include: case; and The terminal assembly according to any one of claims 1 to 8 is inserted into the housing.

10. A male connector, characterized in that: include: case; and The terminal assembly according to any one of claims 1 to 8 is inserted into the housing, The outer terminal and the center terminal of the male connector are suitable for being inserted into the outer terminal and the center terminal of the female connector respectively.

11. The male connector according to claim 10, characterized in that: An elastic lock buckle and a positioning step are formed in the housing, and the positioning step is axially opposite to and spaced from the end face of the elastic lock buckle; The positioning flange on the outer terminal of the male connector is engaged in the gap between the end surface of the elastic lock and the positioning step to lock the terminal assembly in the housing.

12. The male connector according to claim 11, characterized in that: A window is formed on the outer peripheral wall of the shell, and the elastic lock buckle is suspended in the window and exposed outside the window, so that the elastic lock buckle can be driven to an unlocking position separated from the positioning flange by an unlocking tool inserted into the window.

13. A female connector, characterized in that: include: case; and The terminal assembly according to any one of claims 1 to 8 is inserted into the housing, The outer terminal and the center terminal of the female connector are adapted to respectively electrically contact with the outer terminal and the center terminal of the inserted male connector.

14. The female connector according to claim 13, characterized in that: A plurality of axially extending separation slits are formed on the front end portion of the cylindrical body of the outer terminal of the female connector to separate the front end portion 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 electrically contacting the outer terminal of the inserted male connector at the same time.

15. The terminal assembly according to claim 14, characterized in that: An opening is formed on the main elastic arm, and the auxiliary elastic arm is suspended in the opening and connected to the side of the opening.

16. The female connector according to claim 13, characterized in that: An elastic lock buckle and a slot are formed on the outer peripheral wall of the housing, and the elastic lock buckle is adapted to move between a locking position engaged with the slot and an unlocking position separated from the slot; Two positioning flanges are formed on the middle portion of the cylindrical body of the outer terminal of the female connector, and the two positioning flanges are axially opposite and spaced apart; When the elastic lock catch is moved to the locking position, the end of the elastic lock catch is engaged in the recess between the two positioning flanges to lock the terminal assembly in the housing.

17. A connector assembly, characterized in that: include: The male connector according to claim 10; and The female connector according to claim 13 is mateable with the male connector.

Images