CN219419586U - Connecting terminal and connector - Google Patents

Abstract

The embodiment of the application discloses connecting terminal and connector, connecting terminal includes outer terminal subassembly and interior terminal subassembly, outer terminal subassembly includes outer terminal and outer terminal seat, outer terminal arranges the one end at axial direction at outer terminal seat, thereby realize the two-piece structural design of outer terminal and outer terminal seat, outer terminal need not need with crimping spare integrated into one piece like current connecting terminal, outer terminal can take shape alone, can adopt the shell fragment of different material thickness in order to obtain the shell fragment of different elasticity and/or intensity on outer terminal according to actual plug demand, thereby under the prerequisite of guaranteeing connecting terminal electrical connection function, reduce connecting terminal's whole plug power, it is more friendly to customer's use.

Description

Connecting terminal and connector

Technical Field

The application relates to the technical field of electrical connectors, in particular to a connecting terminal and a connector.

Background

Electrical connectors have been used in various systems of automobiles, and in order to standardize various types of electrical connectors and thereby avoid confusion, certain industry standards have been established, one of which is known as FAKRA, which is the committee of automobile standards for the german institute of standardization. The FAKRA electric connector belongs to a coaxial signal transmission connector, is widely applied to the field of automobile electronic entertainment systems, and belongs to an important part of signal transmission between vehicle-mounted multimedia devices. The FAKRA electric connector is mainly used for vehicle navigation, vehicle-mounted electronic instruments, 360 panoramic systems, vehicle-mounted automatic driving systems and the like.

The FAKRA electric connector assembly is formed by mutually inserting a female electric connector and a male electric connector. Wherein, be equipped with connecting terminal in the female electric connector in order to insert coaxial cable, connecting terminal includes coaxial outer terminal and the inner terminal of arranging, it is fixed through the crimping piece between outer terminal and the inner, current outer terminal adopts one piece design mostly, that is, outer terminal and crimping piece combine on same material area and produce, such design can lead to whole production efficiency low, moreover at connecting terminal plug's in-process, need be with outer terminal and crimping piece company and plug, lead to connecting terminal's plug power big, the impaired risk of connecting terminal appears easily.

Disclosure of Invention

The embodiment of the application provides a connecting terminal and connector, can solve among the current connecting terminal outer terminal and adopt the one-piece design to lead to production inefficiency and plug big problem of power.

The embodiment of the application provides a connecting terminal, including: an outer terminal assembly including an outer terminal block and an outer terminal arranged in an axial direction; and an axially extending inner terminal assembly, at least a portion of which is inserted into the outer terminal block; wherein, the outer terminal cover is located the periphery of outer terminal seat.

Meanwhile, the embodiment of the application also provides a connector, which comprises a shell and at least one connecting terminal as described above; the shell is internally provided with a containing cavity, two ends of the shell, which are oppositely arranged in the axial direction, are respectively provided with a port, the two ports are respectively communicated with the containing cavity to form at least one plugging channel for the connecting terminal to pass through, and the connecting terminal is plugged in the plugging channel.

The beneficial effects of this application lie in, provide a connecting terminal and have connector of this connecting terminal, connecting terminal includes outer terminal subassembly and interior terminal subassembly, outer terminal subassembly includes outer terminal and outer terminal seat, outer terminal arranges in outer terminal seat in axial direction's one end, thereby realize the two-piece structural design of outer terminal and outer terminal seat, outer terminal need not like current connecting terminal need with crimping piece integrated into one piece, outer terminal can take shape alone, can be according to actual plug demand, adopt the shell fragment of different material thickness on outer terminal in order to obtain the shell fragment of different elasticity and/or intensity, thereby under the prerequisite of guaranteeing connecting terminal electrical connection function, reduce connecting terminal's whole plug power, it is more friendly to customer's use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a connection terminal provided in an embodiment of the present application;

fig. 2 is a schematic structural view of an external terminal assembly in the connection terminal provided in the embodiment of the present application;

fig. 3 is a schematic structural view of an external terminal block in the connection terminal according to the embodiment of the present application;

fig. 4 is a schematic structural view of an external terminal in the connection terminals provided in the embodiment of the present application;

fig. 5 is a schematic structural view of an inner terminal assembly in a connection terminal according to an embodiment of the present application;

fig. 6 is a schematic structural view of an insulating member in a connection terminal according to an embodiment of the present application;

fig. 7 is a schematic structural view of a first crimp member in the connection terminal provided in the embodiment of the present application;

fig. 8 is a schematic structural view of a sleeve in a connection terminal according to an embodiment of the present application;

fig. 9 is a schematic structural view of a second crimp member in the connection terminal provided in the embodiment of the present application;

fig. 10 is a schematic structural diagram of a connector according to an embodiment of the present application.

Reference numerals illustrate:

1. connection terminals, 2, second crimp pieces, 21, first crimp sections, 22, second crimp sections, 23, transition sections, 3, inner terminal assemblies, 31, inner terminals, 32, inner terminal holders, 33, first positioning portions, 34, second positioning portions, 4, kits, 5, first crimp pieces, 51, first crimp portions, 52, second crimp portions, 53, guide grooves, 54, joints, 6, insulators, 61, channels, 62, first insulation sections, 63, second insulation sections, 64, guide ribs, 65, limit holders, 7, outer terminal assemblies, 8, outer terminals, 81, spring plates, 811, arched protrusions, 821, first connection rings, 822, second connection rings, 83, cladding portions, 9, outer terminal holders, 91, connection portions, 92, support portions, 93, limit portions;

100. the connector, 110, the shell, 120, the accommodating cavity, 130, the port, 140 and the plugging channel;

x, axial direction.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features.

The embodiment of the application provides a connecting terminal and have connector of this connecting terminal, connecting terminal includes outer terminal subassembly and interior terminal subassembly, outer terminal subassembly includes outer terminal and outer terminal seat, outer terminal arranges in outer terminal seat in axial direction's one end, thereby realize the two-piece structural design of outer terminal and outer terminal seat, outer terminal need not like current connecting terminal need with crimping piece integrated into one piece, outer terminal can take shape alone, can be according to actual plug demand, adopt the elastic force of shell fragment in order to adjust the shell fragment of different material thicknesses on outer terminal, thereby under the prerequisite of guaranteeing connecting terminal electrical connection function, reduce connecting terminal's whole plug power, it is more friendly to customer's use. As a typical application, the connection terminals may be arranged as coaxial terminals in a FAKRA electrical connector to connect coaxial cables.

The embodiment of the present application provides a connection terminal 1, referring to fig. 1 to 5, the connection terminal 1 includes: an outer terminal assembly 7 and an inner terminal assembly 3.

Referring to fig. 1 to 4, the outer terminal assembly 7 includes an outer terminal block 9 and an outer terminal 8 arranged in the axial direction X. The outer terminal block 9 has a tubular shape, and the outer terminal block 9 extends in the axial direction X. The overall shape of the outer terminal 8 is a tubular shape extending along the axial direction X, the outer terminal 8 is sleeved on the outer periphery of the outer terminal seat 9, the outer terminal 8 comprises at least two elastic pieces 81, the at least two elastic pieces 81 are distributed at intervals along the circumferential direction of the outer terminal seat 9, and each elastic piece 81 extends along the axial direction X. The elastic sheet 81 extends along the axial direction X, including that the elastic sheet 81 extends along the axial direction X in a straight shape, or that the elastic sheet 81 extends along the axial direction X in a curved shape.

Referring to fig. 5, the inner terminal assembly 3 includes an inner terminal 31, the inner terminal 31 extending in the axial direction X, the inner terminal 31 being inserted in the outer terminal seat 9 and coaxially arranged with the outer terminal 8. The inner terminal 31 and the outer terminal 8 together constitute the insertion end of the connection terminal 1.

The two-piece structural design of the outer terminal 8 and the outer terminal seat 9 can be used for manufacturing the outer terminal 8 and the outer terminal seat 9 independently, and the elastic piece 81 in the outer terminal 8 can be manufactured independently, so that the elastic piece 81 in the outer terminal 8 can be manufactured according to actual plugging requirements by adopting different material thicknesses, specifically, according to the actual plugging requirements, the elastic pieces 81 with different materials and/or different thicknesses are selected, so that the outer terminal 8 meeting the plugging requirements is obtained, for example, under the condition of the same material, the thicker the thickness is, the higher the strength of the elastic piece 81 is, under the condition of the same thickness, the elastic pieces 81 with different materials are selected, and the elastic pieces 81 with different elastic forces can be obtained, so that under the premise of ensuring the electrical connection function of the connecting terminal 1, the plugging force of the plugging end of the connecting terminal 1 is reduced, the plugging difficulty is reduced under the premise of ensuring the connection stability, the use is more friendly to customers, and the condition that the connecting terminal 1 is damaged due to forced plugging can be avoided, and the service life of the connecting terminal 1 is prolonged.

In some embodiments of the present application, the middle section of the elastic piece 81 protrudes towards the direction away from the outer terminal seat 9 to form an arch-shaped protrusion 811, and the structural design of the arch-shaped protrusion 811 on the elastic piece 81 makes the overall shape of the elastic piece 81 form an arch, so that the arch-shaped protrusion 811 of the elastic piece 81 is extruded to realize quick plugging in the process of plugging in and out the connecting terminal 1, and the connection stability after plugging in can be ensured. The middle section of the spring 81 is the middle section of the spring 81 in its length.

In some embodiments of the present application, referring to fig. 3, the outer terminal block 9 includes a connection portion 91 and a support portion 92 connected in sequence along the axial direction X, the connection portion 91 and the support portion 92 are respectively tubular, and an inner diameter of the connection portion 91 is larger than an inner diameter of the support portion 92. Referring to fig. 4, the external terminal 8 includes a first connection ring 821 and a second connection ring 822 which are oppositely disposed along the axial direction X, and six elastic pieces 81, which are arranged at intervals along the circumferential direction of the external terminal seat 9, and the first connection ring 821 and the second connection ring 822 are connected through the six elastic pieces 81 to form the external terminal 8, so as to form a lantern-shaped structure of the external terminal 8, and the external terminal 8 is sleeved on the supporting portion 92. Wherein one end of the inner end 31 extends to an inner side of the support portion 92 away from one end of the connecting portion 91 in the axial direction X.

Wherein the outer terminal 8 can be manufactured by a stamping die using a secondary sheet metal forming process such as rolling to form the annular first connecting ring 821 and second connecting ring 822 from two flat strips. In the manufacturing process of the outer terminal block 9, a flat plate body is processed into a tubular outer terminal block 9 by a press die using a secondary plate metal forming process such as rolling.

In some embodiments of the present application, referring to fig. 2 and 3, at least one limiting portion 93 is protruding on an outer sidewall of the supporting portion 92, the limiting portion 93 is disposed between two adjacent elastic sheets 81, specifically, the limiting portion 93 is disposed at one end of the supporting portion 92, which is close to the connecting portion 91 in the axial direction X, the outer terminal 8 is sleeved on the supporting portion 92, the limiting portion 93 is disposed between two adjacent elastic sheets 81, and the setting of the limiting portion 93 can prevent the outer terminal 8 from rotating on the supporting portion 92, thereby ensuring the stability of the insertion and extraction of the connecting terminal 1.

In some embodiments of the present application, referring to fig. 1-4 and 8, the first connecting ring 821 is sleeved on one end of the supporting portion 92, which is close to the connecting portion 91 in the axial direction X, the second connecting ring 822 is sleeved on one end of the supporting portion 92, which is far away from the connecting portion 91 in the axial direction X, at least one coating portion 83 is provided on the second connecting ring 822, the coating portion 83 is bent to the inner side of the supporting portion 92, which is far away from one end of the connecting portion 91 in the axial direction X, and the coating portion 83 is attached to the inner wall of the supporting portion 92, and the coating portion 83 is provided, so that the external terminal 8 can be fixed on the supporting portion 92, so as to improve the assembly firmness of the external terminal 8 and the external terminal seat 9, and avoid the external terminal 8 from falling off from the external terminal seat 9 in the inserting and pulling process of the connecting terminal 1.

In some embodiments of the present application, referring to fig. 6, the connection terminal 1 further includes an insulating member 6, the insulating member 6 extends along an axial direction X, a channel 61 penetrating through the insulating member 6 along the axial direction X is provided in the insulating member 6, the insulating member 6 is inserted into the outer terminal seat 9, the inner terminal 31 of the inner terminal assembly 3 is inserted into the channel 61, and the insulating member 6 forms an insulating shield between the outer terminal 8 and the inner terminal 31, so as to avoid interference between the outer terminal 8 and the inner terminal 31, and further ensure the electrical connection function of the connection terminal 1.

In some embodiments of the present application, referring to fig. 6, the insulating member 6 includes a first insulating section 62 and a second insulating section 63 connected in sequence, the first insulating section 62 is inserted into the supporting portion 92, an outer side wall of the first insulating section 62 is abutted against an inner side wall of the supporting portion 92, the second insulating section 63 is inserted into the connecting portion 91, at least a portion of an outer side wall of the second insulating section 63 is abutted against an inner side wall of the connecting portion 91, and an outer diameter of the first insulating section 62 is larger than an outer diameter of the second insulating section 63.

In some embodiments of the present application, according to fig. 1, 7 and 8, the connection terminal 1 further includes a first crimp member 5, the overall shape of the first crimp member 5 is tubular, the first crimp member 5 extends along an axial direction X, the first crimp member 5 includes a first crimp portion 51 and a second crimp portion 52 sequentially connected along the axial direction X, the first crimp portion 51 extends into the outer terminal seat 9 and is sleeved on the insulating member 6, and the second crimp portion 52 is located outside the outer terminal seat 9. Referring to fig. 3, the inner terminal assembly 3 further includes an inner terminal block 32, the inner terminal block 32 extends along an axial direction X, the inner terminal block 32 and the inner terminal 31 are sequentially connected along the axial direction X, the second crimp portion 52 is sleeved on the inner terminal block 32, and one end of the inner terminal block 32 away from the inner terminal 31 is used for connecting a coaxial cable. The first press-connection member 5 is used for reinforcing the insulating member 6 and the inner terminal seat 32, so that stability and firmness of assembly between the inner terminal assembly 3 and the outer terminal assembly 7 are guaranteed, and the situation that parts of the connecting terminal 1 are loosened in the plugging process is avoided.

In some embodiments of the present application, referring to fig. 7, a guide groove 53 is formed on a side wall of the first press-connection portion 51, the guide groove 53 extends along an axial direction X and penetrates through the side wall of the first press-connection portion 51 to form a gap on the side wall of the first press-connection portion 51, referring to fig. 7, a guide rib 64 is convexly disposed on a side wall of the second insulation section 63 of the insulation member 6, the guide rib 64 extends along the axial direction X, the first press-connection portion 51 is sleeved on the second insulation section 63, the first press-connection portion 51 abuts against an inner side wall of the connection portion 91 of the outer terminal base 9, the guide rib 64 and the guide groove 53 form a guide sleeved on the first press-connection portion 51 and the second insulation section 63, so that accurate assembly of the first press-connection portion 51 of the first press-connection member 5 and the second insulation section 63 of the insulation member 6 is achieved, and success rate of assembly is improved.

In some embodiments of the present application, referring to fig. 7, a seam 54 is formed on a side wall of the second press-connection portion 52, the seam 54 extends on the side wall of the second press-connection portion 52 along the axial direction X in a curved path, the seam 54 is serrated, the seam 54 is communicated with the guide groove 53, and the seam 54 is configured so that the second press-connection portion 52 can be adapted to inner terminal holders 32 with different outer diameters. The first press-connection part 51 and the second press-connection part 52 are produced on the same material belt in a combined manner, specifically, the first press-connection piece 5 is formed by punching or blanking a metal plate and then rolling, and the one-piece structural design of the first press-connection part 51 and the second press-connection part 52 saves a set of punching die and improves the production efficiency of the connecting terminal 1.

In some embodiments of the present application, referring to fig. 6, a limiting seat 65 is protruding from an end of the second insulating section 63 near the first insulating section 62 in the axial direction X, the limiting seat 65 surrounds the outer peripheral wall of the second insulating section 63, the shape of an end surface of the limiting seat 65, which is away from the end of the first insulating section 62 in the axial direction X, is matched with the shape of the port of the first crimping portion 51, the first crimping portion 51 is sleeved on the second insulating section 63, and one end, which is away from the second crimping portion 52, of the first crimping portion 51 is abutted against the limiting seat 65. The limiting seat 65 can prevent the relative rotation between the first press-connection piece 5 and the insulating piece 6, and ensures the stability of the connecting terminal 1.

In some embodiments of the present application, referring to fig. 1 and 9, the connection terminal 1 further includes a second crimp member 2, and the second crimp member 2 includes a first crimp section 21 and a second crimp section 22 disposed at intervals along the axial direction X. Referring to fig. 1 and 3, the inner terminal assembly 3 further includes a first positioning portion 33 and a second positioning portion 34, the first positioning portion 33 and the second positioning portion 34 are respectively tubular, the first positioning portion 33 and the second positioning portion 34 are sleeved on the inner terminal base 32 along the axial direction X in a spaced manner, the outer diameter of the first positioning portion 33 is smaller than the outer diameter of the second positioning portion 34, and the coaxial cable extends into the second positioning portion 34 and is connected with the inner terminal base 32. Referring to fig. 1, the first crimp segment 21 is sleeved on the first positioning portion 33, the second crimp segment 22 is sleeved on the second positioning portion 34, and the second crimp member 2 forms reinforcement between the first positioning portion 33 and the second positioning portion 34, so that reinforcement between the coaxial cable and the second positioning portion 34 is realized, the situation that the coaxial cable is loose or even separated in the inserting and pulling process of the connecting terminal 1 is avoided, the first crimp segment 21 is sleeved on the first positioning portion 33, the first positioning portion 33 is sleeved on the second crimp portion 52, and the firmness of assembly among the first positioning portion 33, the second positioning portion 34 and the inner terminal seat 32 is further ensured.

In some embodiments of the present application, referring to fig. 9, the second crimp member 2 further includes a transition section 23, the first crimp section 21 is connected with the second crimp section 22 through the transition section 23, the transition section 23 corresponds to a gap between the first positioning portion 33 and the second positioning portion 34, and the design of the transition section 23 can improve flexibility of the second crimp member 2 and reduce rigidity caused by direct connection between the first crimp section 21 and the second crimp section 22.

Referring to fig. 9, before the first positioning portion 33 and the second positioning portion 34 are assembled, the shapes of the first press-connection section 21 and the second press-connection section 22 are respectively in a U shape or a V shape, that is, the first press-connection section 21 and the second press-connection section 22 respectively have an open end and the opening degree of the open end is large, the second press-connection member 2 is produced by combining on the same material belt, and an integral structure is formed by one piece design, so that one set of stamping die is saved, one set of terminal assembling jig is saved, and the production efficiency of the connecting terminal is improved. When the second crimp member 2 is assembled with the first positioning portion 33 and the second positioning portion 34, the open ends of the first crimp section 21 and the second crimp section 22 are respectively gathered and polymerized by the press mold to achieve crimping and fixing of the first positioning portion 33 and the second positioning portion 34.

The assembling process of the connection terminal 1 provided in the embodiment of the present application is as follows:

the outer terminal 8 is sleeved on a supporting part 92 of the outer terminal seat 9, and a coating part 83 on the outer terminal 8 coats one end of the supporting part 92 far away from the connecting part 91 to form an outer terminal assembly 7;

the first crimping part 51 of the first crimping piece 5 is sleeved on the second insulation section 63 of the insulation piece 6 under the cooperation of the guide groove 53 and the guide rib 64;

inserting the first insulating section 62 of the insulator 6 from the connection portion 91 into the outer terminal block 9 and extending into the support portion 92, and the second insulating section 63 being located in the connection portion 91, thereby assembling the outer terminal assembly 7, the first crimp 5 and the insulator 6 together to form the sleeve 4;

inserting one end of the inner terminal assembly 3, provided with the inner terminal 31, into the channel 61 of the insulator 6, extending the inner terminal 31 into the first insulating section 62 and to one end of the inner side of the first insulating section 62, which is far away from the second insulating section 63 in the axial direction X, forming a coaxial arrangement with the outer terminal 8, and sleeving the second crimping part 52 of the first crimping piece 5 on the inner terminal seat 32 to form a reinforcement for the insulator 6 and the inner terminal seat 32;

the first crimp section 21 of the second crimp member 2 is sleeved on the first positioning portion 33, the second crimp section 22 is sleeved on the second positioning portion 34, and the open ends of the first crimp section 21 and the second crimp section 22 are respectively folded and polymerized by punching, so that the first positioning portion 33 and the second positioning portion 34 are crimped and fixed, and the assembly of the connecting terminal 1 is completed.

Meanwhile, referring to fig. 10, the embodiment of the present application further provides a connector 100, the connector 100 includes a housing 110 and four connecting terminals 1 as described above, a receiving cavity 120 is provided in the housing 110, two ends of the housing 110, which are oppositely disposed in an axial direction X, are respectively provided with a port 130, the two ports 130 are respectively communicated with the receiving cavity 120 to form four plugging channels 140 through which the connecting terminals 1 pass, the four plugging channels 140 are arranged in the receiving cavity 120 in a shape of a Chinese character 'tian', each plugging channel 140 is arranged to be plugged with one connecting terminal 1, thereby realizing multi-position plugging of the connector 100, specifically, the connector 100 has four plugging positions, and since the outer terminal 8 in the connecting terminal 1 provided by the embodiment of the present application is formed by separately machining the outer terminal 8 and the outer terminal seat 9, the overall plugging force of the four connecting terminals 1 can be effectively reduced, the difficulty of plugging can be reduced on the premise of guaranteeing the connection stability, the situation that the connecting terminals 1 are damaged due to plugging is more friendly to the use of customers can be avoided, and the service life of the connecting terminals 1 can be prolonged.

The foregoing has described in detail a connection terminal and a connector provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods of the present application and their core ideas; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.

Claims (10)

1. A connection terminal, characterized by comprising:

an outer terminal assembly (7), the outer terminal assembly (7) comprising an outer terminal block (9) and an outer terminal (8) arranged in an axial direction (X); and

an inner terminal assembly (3) extending along an axial direction (X), at least part of the inner terminal assembly (3) being inserted into the outer terminal seat (9);

wherein the outer terminal (8) is sleeved on the periphery of the outer terminal seat (9).

2. The connecting terminal according to claim 1, wherein the outer terminal (8) comprises at least two spring pieces (81), the at least two spring pieces (81) are arranged at intervals along the circumferential direction of the outer terminal seat (9), the spring pieces (81) extend along the axial direction (X), and the middle sections of the spring pieces (81) are protruded to form arch-shaped protrusions (811) in a direction away from the outer terminal seat (9).

3. The connecting terminal according to claim 2, wherein the outer terminal block (9) includes a connecting portion (91) and a supporting portion (92) connected in the axial direction (X), the outer terminal (8) being fitted over the supporting portion (92);

the inner terminal assembly (3) comprises an inner terminal (31), the inner terminal (31) extends along the axial direction (X), and the inner terminal (31) is inserted into the outer terminal seat (9) and is coaxially arranged with the outer terminal (8).

4. A connecting terminal according to claim 3, wherein at least one limiting portion (93) is provided on the outer side wall of the supporting portion (92) in a protruding manner, and the limiting portion (93) is arranged between two adjacent elastic pieces (81).

5. A connection terminal according to claim 3, wherein the outer terminal (8) comprises a first connection ring (821) and a second connection ring (822) arranged opposite each other, the first connection ring (821) and the second connection ring (822) being connected by the elastic sheet (81);

the first connecting ring (821) and the second connecting ring (822) are sleeved on the supporting part (92) along the axial direction (X) at intervals.

6. The connecting terminal according to claim 5, wherein the first connecting ring (821) is sleeved at one end of the supporting portion (92) far away from the connecting portion (91), at least one coating portion (83) is disposed on the first connecting ring (821), and the coating portion (83) extends, bends to the inner side of the supporting portion (92) and is attached to the inner wall of the supporting portion (92) so as to fix the outer terminal (8) on the supporting portion (92).

7. A connection terminal according to claim 3, characterized in that the connection terminal further comprises an insulating member (6), the insulating member (6) extending in the axial direction (X), a channel (61) being provided in the insulating member (6) penetrating the insulating member (6) in the axial direction (X);

the insulator (6) is inserted into the outer terminal seat (9), and the inner terminal (31) is inserted into the channel (61) to form an insulating shield between the outer terminal (8) and the inner terminal (31).

8. The connection terminal according to claim 7, characterized in that the connection terminal further comprises a first crimp member (5), the first crimp member (5) comprising a first crimp portion (51) and a second crimp portion (52) connected in the axial direction (X), the first crimp portion (51) extending into the connection portion (91) and being fitted over the insulating member (6), the second crimp portion (52) being located outside the connection portion (91);

the inner terminal assembly (3) further comprises an inner terminal seat (32), the inner terminal seat (32) and the inner terminal (31) are sequentially connected along the axial direction (X), and at least part of the inner terminal seat (32) is positioned outside the connecting part (91);

the second crimping part (52) is sleeved on the inner terminal seat (32) so as to fix the insulating piece (6) and the inner terminal seat (32).

9. The connection terminal according to claim 8, wherein the inner terminal assembly (3) further comprises a first positioning portion (33) and a second positioning portion (34), the first positioning portion (33) and the second positioning portion (34) are sleeved on the inner terminal base (32) along the axial direction (X) at intervals, and at least part of the second crimping portion (52) extends into the first positioning portion (33);

the connecting terminal further comprises a second crimping piece (2), the second crimping piece (2) comprises a first crimping section (21) and a second crimping section (22) which are arranged at intervals along the axial direction (X), the first crimping section (21) is sleeved on the first positioning part (33), and the second crimping section (22) is sleeved on the second positioning part (34) so as to fix the first positioning part (33) and the second positioning part (34).

10. A connector comprising a housing (110) and at least one connection terminal according to any one of claims 1 to 9;

the housing (110) is internally provided with a containing cavity (120), two ends of the housing (110) which are oppositely arranged in the axial direction (X) are respectively provided with a port (130), the two ports (130) are respectively communicated with the containing cavity (120) to form at least one inserting channel (140) for the connecting terminal to pass through, and the connecting terminal is inserted into the inserting channel (140).