CN218498497U - Electrical connector and its base - Google Patents

Abstract

The present application provides an electrical connector, including an upper insulating shell, a lower insulating shell, a terminal component and a conductor component. The upper insulating shell is provided with at least one socket. The lower insulating case is arranged under the upper insulating case and connected with the upper insulating case. The terminal member is disposed between the upper insulating case and the lower insulating case. The conductor member is passed through the lower insulating case. The first contact portion of the first conductor, the second contact portion of the second conductor, and the third contact portion of the third conductor are arranged outside the lower insulating housing, and the second contact portion of the second conductor is connected to the first contact portion of the first conductor. The distance between the contact parts is a first distance, the distance between the third contact part of the third conductor and the first contact part of the first conductor is a second distance, and the first distance is smaller than the second distance.

Description

Electrical connector and its base

technical field

The present application relates to an electrical connector and its base, in particular to an electrical connector and its base capable of realizing non-directional docking.

Background technique

As the market's demand for cables is getting higher and higher, the specifications of the matching connectors are more stringent, and more and more attention is paid to connector components with different interfaces. The structure of the contact interface determines the electrical and mechanical properties of the connector, such as resistance value, insertion force and durability. However, usually in the connector assembly, the connection between the connector and its base has a specific direction, and the user can only assemble according to the set direction.

If the plugging is wrong in use, it will cause the pins of the connector to be damaged, and the electronic equipment will be reimbursed if it is serious. Therefore, in order to avoid the occurrence of accidents, the connector assembly cannot operate normally, and in order to allow the designer to carry out circuit layout without restriction, there is an urgent need for a connector assembly, a connector and its base There is no directional restriction between them, in order to solve the problem of conventional structure.

Utility model content

The utility model provides an electrical connector, which comprises an upper insulating shell, a lower insulating shell, a terminal component and a conductor component. The upper insulating shell is provided with at least one socket. The lower insulating case is arranged under the upper insulating case and connected with the upper insulating case. The terminal member is disposed between the upper insulating case and the lower insulating case. The conductor member is passed through the lower insulating case. The first contact portion of the first conductor, the second contact portion of the second conductor, and the third contact portion of the third conductor are arranged outside the lower insulating housing, and the second contact portion of the second conductor is connected to the first contact portion of the first conductor. The distance between the contact parts is a first distance, the distance between the third contact part of the third conductor and the first contact part of the first conductor is a second distance, and the first distance is smaller than the second distance.

The utility model provides a base, which includes a first insulating shell, a second insulating shell, a first spacer, a second spacer and a terminal component. The first insulating shell is provided with at least one socket, and the second insulating shell is arranged under the first insulating shell and connected with the first insulating shell. The first spacer, the second spacer and the terminal member are disposed between the first insulating case and the second insulating case. When the electrical connector is assembled with the base, the first contact portion of the first conductor passes through the socket of the second spacer and is electrically connected to the central butt joint of the center terminal, and the second contact portion of the second conductor passes through the first spacer The socket of the component is electrically connected to the second outer ring butt joint of the second outer ring terminal and the second inner ring butt joint of the second inner ring terminal, and the third contact part of the third conductor passes through the first insulating housing. The socket is electrically connected to the first outer ring butt joint portion of the first outer ring terminal and the first inner ring butt joint portion of the first inner ring terminal.

The electrical connector and its base provided by the utility model, the structural design of the contact interface does not have a specific direction in assembly, so as to realize non-directional docking, and save the material cost increased due to the setting of the fool-proof structure, and also allow Designers have more room to play in circuit layout.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative work.

FIG. 1A is a perspective view of an electrical connector according to an embodiment of the present invention.

FIG. 1B is an exploded view of the electrical connector shown in FIG. 1A .

FIG. 1C is an exploded view of the electrical connector in FIG. 1A from another perspective.

Fig. 2 is a perspective view of an electrical connector according to an embodiment of the present invention with the upper insulating shell removed.

FIG. 3 is a cross-sectional view of an electrical connector according to an embodiment of the present invention.

Fig. 4 is a bottom view of an electrical connector according to an embodiment of the present invention.

Fig. 5 is a perspective view of a base of an embodiment of the present invention.

Fig. 6 is an exploded view of the base of the first embodiment of the present invention.

Fig. 7A is an exploded view of the base of the second embodiment of the present invention.

Fig. 7B is an exploded view from another perspective of the base of the second embodiment of the present invention.

FIG. 8 is a schematic diagram of the use state when the electrical connector and its base are assembled according to an embodiment of the present invention.

Fig. 9 is a sectional view of the utility model along line A-A' of Fig. 8 .

Fig. 10 is a sectional view of the utility model along line B-B' of Fig. 8 .

FIG. 11 is a top view of jacks of various specifications applicable to electrical connectors according to various embodiments of the present disclosure.

Detailed ways

In order to understand the technical characteristics, content and advantages of the utility model and the effects that it can achieve, the utility model is hereby combined with the accompanying drawings, and described in detail in the form of embodiments as follows, and the drawings used therein, its The subject matter is only for illustration and auxiliary explanation, not necessarily the true proportion and precise configuration of the utility model after implementation, so it should not be interpreted on the scale and configuration relationship of the attached drawings, and limit the rights of the utility model in actual implementation scope.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented. The direction terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", "horizontal", "vertical" etc. are merely for reference to the directions of the attached drawings. Therefore, the used directional terms are used to illustrate and understand the present invention, but not to limit the present invention.

In the following, various embodiments of the replaceable socket device according to the present invention will be described with reference to related drawings. For ease of understanding, the same components in the following embodiments are described with the same symbols.

Please refer to FIG. 1A-FIG. 1C and FIG. 2. FIG. 1A is a perspective view of an electrical connector according to an embodiment of the present invention. FIG. 1B is an exploded view of the electrical connector shown in FIG. 1A . FIG. 1C is an exploded view of the electrical connector in FIG. 1A from another perspective. In this embodiment, the electrical connector 100 includes an upper insulating shell 110 , a lower insulating shell 120 , a terminal member and a conductor member. The upper insulating shell 110 is provided with at least one socket 111 for connecting with other electronic devices. The lower insulating shell 120 is disposed below the upper insulating shell 110 and connected to the upper insulating shell 110 to form a chamber for receiving the terminal components and the conductor components.

As shown in FIG. 1A , the upper insulating shell 110 has three jacks 111 , and the electrical connector 100 is a socket. However, the shape and quantity of the jacks are not limited here. In some embodiments, the number of the insertion holes 111 can be one or two, and the shape can be square or circular, which only need to meet the needs of users. In this embodiment, the electrical connector 100 is a cylindrical receptacle that can be movably assembled, but it is not limited thereto. In other embodiments, the electrical connector 100 can be installed in an electronic device or applied with a connecting wire.

As shown in FIG. 11 , FIG. 11 shows a top view of sockets 111 of various specifications applicable to the electrical connector 100 of FIG. 1A . Electronic devices can be plugged into the socket 111 to obtain power supply. Jack 111 can be a power jack of general commercial power 100-120V or 200-240V, and jack 111 can be a power jack of different specifications, such as Type A power jack 111A, Type B power jack 111B, Type C Power jack 111C, Type D power jack 111D, Type E power jack 111E, Type F power jack 111F, Type G power jack 111G, Type H power jack 111H, Type I power jack 111I, Type J power supply Jack 111J, Type K power jack 111K, Type L power jack 111CL and other power jacks of different specifications, or universal power jacks, such as Type A and Type C universal jack 111M, multi-country universal jack 111N And 111O, etc. can be applied to power jacks of various specifications.

In addition, the jack 111 can also be a universal serial bus (USB) jack 111, which is used to supply power to USB2.0, USB2.0Standard A, USB 2.0Type C, USB3.0 and USB3.1, etc. Bus electronics.

The terminal member is disposed between the upper insulating case 110 and the lower insulating case 120 , and includes a first pole conducting terminal 131 , a second pole conducting terminal 132 and a third pole conducting terminal 133 . As shown in FIG. 2 , when the electrical connector 100 with the upper insulating housing 110 is removed, the arrangement of internal terminal components can be clearly seen. Please refer to FIG. 1 and FIG. 2 at the same time. The first pole conductive terminal 131 has a first elastic part 1311 and a first connecting part 1312 . The second pole conductive terminal 132 has a second elastic part 1321 and a second connecting part 1322 , and the second elastic part 1321 is disposed corresponding to an insertion hole 111 of the upper insulating shell 110 . The third pole conductive terminal 133 has a third elastic piece portion 1331 and a third connecting portion 1332 , and the third elastic piece portion 1331 is disposed corresponding to an insertion hole 111 of the upper insulating shell 110 .

Specifically, the structure and quantity of the terminal components and the manner in which they are fixed between the upper insulating case 110 and the lower insulating case 120 are not limited here. In this embodiment, when the electrical connector 100 is docked with other electronic equipment, the pins of the electronic equipment pass through the insertion hole 111 of the upper insulating shell 110, and connect with the first elastic piece of the first pole conductive terminal 131 in the terminal member. The portion 1311 , the second elastic piece portion 1321 of the second pole conductive terminal 132 and the third elastic piece portion 1331 of the third pole conductive terminal 133 form an electrical connection.

Next, please refer to FIGS. 3 and 4 . FIG. 3 is a cross-sectional view of an electrical connector according to an embodiment of the present invention, and FIG. 4 is a bottom view of an electrical connector according to an embodiment of the present invention. As shown in FIG. 3 , the conductor member passes through the lower insulating shell 120 and includes a first conductor 141 , a second conductor 142 and a third conductor 143 . In the electrical connector 100, the first conductor 141 is electrically connected to the first connection portion 1312 of the first pole conductive terminal 131, and has a first fixing portion 1411 and a first contact portion 1412. The first fixing portion 1411 makes the first The conductor 141 is fixed on the lower insulating case 120 . The second conductor 142 is electrically connected to the second connection portion 1322 of the second pole conductive terminal 132, and has a second fixing portion 1421 and a second contact portion 1422. The second fixing portion 1421 fixes the second conductor 142 to the lower insulating shell Body 120. The third conductor 143 is electrically connected to the third connection part 1332 of the third pole conductive terminal 133, and has a third fixing part 1431 and a third contact part 1432. The third fixing part 1431 fixes the third conductor 143 to the lower insulating shell Body 120. Wherein, the manner in which the conductor member is passed through the lower insulating shell 120 is not limited here.

In the above-mentioned embodiments, the terminal member and the conductor member can be electrically connected to each other through direct contact, screwing or welding. However, in some other embodiments, the terminal member and the conductor member may be integrally formed, disposed between the upper insulating case 110 and the lower insulating case 120 , and passed through the lower insulating case 120 .

Please continue to refer to FIG. 3 , in this embodiment, the first contact portion 1412 of the first conductor 141 , the second contact portion 1422 of the second conductor 142 and the third contact portion 1432 of the third conductor 143 are disposed on the lower insulating housing 120 Third, it can be seen from FIG. 3 that the centers of the first and second conductors 142 of the first conductor 141 and the center of the third conductor 143 are not arranged on the same straight line. Therefore, from FIG. The cross section of the second conductor 142 and the whole of the third conductor 143 are obtained, but not limited thereto. In some embodiments, the center of the first conductor 141 , the center of the second conductor 142 and the center of the third conductor 143 may be arranged on the same straight line.

As shown in FIG. 3 , the length DC of the first contact portion 1412 of the first conductor 141 exposed to the lower insulating case 120 is greater than the length D1 and the third length D1 of the second contact portion 1422 of the second conductor 142 exposed to the lower insulating case 120 . The third contact portion 1432 of the conductor 143 is exposed to the length D2 of the lower insulating case 120 , but not limited thereto. In some embodiments, the first contact portion 1412 of the first conductor 141 is exposed to the length DC of the lower insulating case 120, the second contact portion 1422 of the second conductor 142 is exposed to the length D1 of the lower insulating case 120 and the third The lengths D2 of the third contact portions 1432 of the conductors 143 exposed to the lower insulating casing 120 are all the same.

Please continue to refer to FIG. 3 , the lower insulating housing 120 of the electrical connector 100 is provided with an extension portion 121 , which partially covers the first contact portion 1412 of the first conductor 141 , the second contact portion 1422 of the second conductor 142 and the third contact portion 1422 of the second conductor 142 . The third contact portion 1432 of the conductor 143 . The setting of the extension part 121 can form an insulating shield when the electrical connector 100 is assembled with other electronic devices, so that the electrical connector 100 can maintain a certain performance in transmission, and the number and shape of the extension parts are not limited. Make adjustments according to the specifications of the conductor components.

Next, as shown in FIG. 4 , in this embodiment, the distance between the second contact portion 1422 of the second conductor 142 and the first contact portion 1412 of the first conductor 141 is the first distance R1, and the second contact portion 1412 of the third conductor 143 The distance between the three contact portions 1432 and the first contact portion 1412 of the first conductor 141 is a second distance R2, and the first distance R1 is smaller than the second distance R2. In more detail, the second contact portion 1422 of the second conductor 142 can be arranged at any position equidistant from the first contact portion 1412 of the first conductor 141 , that is, the distance from the first contact portion 1412 of the first conductor 141 is 10th. At any position at a distance R1, the third contact portion 1432 of the third conductor 143 can be arranged at any position equidistant from the first contact portion 1412 of the first conductor 141, that is, the first contact with the first conductor 141 Part 1412 is at any position at the second distance R2.

Please refer to Fig. 5, Fig. 6, Fig. 7A and Fig. 7B at the same time, Fig. 5 is a perspective view of the base of an embodiment of the utility model, Fig. 6 is an exploded view of the base of the first embodiment of the utility model, and Fig. 7A is a perspective view of the base of the utility model An exploded view of the base of the second embodiment. Fig. 7B is an exploded view from another perspective of the base of the second embodiment of the present invention. The base 200 includes a first insulating case 210, a second insulating case 220, a first spacer 201, a second spacer 202, and a terminal member. The first insulating shell 210 is provided with at least one socket 211 . The second insulating shell 220 is disposed under the first insulating shell 210 and connected to the first insulating shell 210 to form a cavity for receiving the terminal components. The first spacer 201 is provided with a socket 2011 , and the second spacer 202 is provided with a socket 2021 . The first spacer 201 and the second spacer 202 are disposed between the first insulating case 210 and the second insulating case 220 . In the two embodiments, the base 200 has two sockets 211 , but the number of groups of the sockets 211 and the arrangement of the sockets 211 on the base 200 are not limited.

As can be seen from FIG. 6, FIG. 7A and FIG. 7B, the terminal member is disposed between the first insulating shell 210 and the second insulating shell 220, including a central terminal 230, a first outer ring terminal 231, a first inner ring terminal 233, The second outer ring terminal 232 and the second inner ring terminal 234 . The central terminal 230 has a central butt joint part 2301 and a central connection part 2302, the central butt joint part 2301 is provided corresponding to a socket 2021 of the second spacer 202, and the central connection part 2302 fixes the central terminal 230 between the first insulating shell 210 and the second spacer 202. Between the two insulating shells 220 . The first outer ring terminal 231 has a first outer ring connecting portion 2311 and a first outer ring connecting portion 2312, the first outer ring connecting portion 2312 is provided corresponding to a socket 211 of the first insulating housing 210, and the first outer ring connecting portion 2312 fixes the first outer ring terminal 231 between the first insulating shell 210 and the second insulating shell 220 . The first inner ring terminal 233 has a first inner ring butt joint portion 2331 and a first inner ring welding portion 2312, the first inner ring butt joint portion 2311 is provided corresponding to a socket 211 of the first insulating housing 210, and the first inner ring welding portion 2332 electrically connects the first inner ring terminal 233 to the first outer ring connection portion 2312 . The second outer ring terminal 232 has a second outer ring connecting portion 2321 and a second outer ring connecting portion 2322. The second outer ring terminal is fixed between the first insulating shell 210 and the second insulating shell 220 . The second inner ring terminal 234 has a second inner ring butt joint portion 2341 and a second inner ring welding portion 2342, the second inner ring butt joint portion 2341 corresponds to a socket 2011 of the first spacer 201, and the second inner ring welding portion 2342 The second inner ring terminal 234 is electrically connected to the second outer ring connection portion 2322 .

Please continue to refer to FIG. 5, FIG. 6, FIG. 7A and FIG. 7B, the first outer ring docking portion 2311 of the first outer ring terminal 231 and the first inner ring docking portion 2331 of the first inner ring terminal 233 are set corresponding to the same socket 211, The second outer ring connecting portion 2321 of the second outer ring terminal 232 and the second inner ring connecting portion 2341 of the second inner ring terminal 234 are disposed corresponding to the same socket 2011 . In the two embodiments, the specifications of the terminal components and the way they are arranged between the first insulating shell 210 and the second insulating shell 220 are not limited here.

As shown in FIG. 5 and FIG. 6 , the base 200 is provided with a first spacer 201 spaced apart from the first inner ring butt joint portion 2331 of the first inner ring terminal 233 and the second outer ring butt joint portion 2321 of the second outer ring terminal 232 Between them, a second spacer 202 is provided, which is spaced between the second inner ring abutting portion 2341 of the second inner ring terminal 234 and the central abutting portion 2301 of the central terminal 230 . By means of the first spacer 201 and the second spacer 202, the first inner ring terminal 233, the second outer ring terminal 232, the second inner ring terminal 234, and the central terminal 230 are kept at a certain distance in space, which is not easy The service life of the electrical connector 100 and the base 200 are affected at the same time due to wear and tear during plugging and use.

In the two embodiments, the structures of the first spacer 201 and the second spacer 202 extend to between the first insulating shell 210 and the second insulating shell 220, so that the first insulating shell 210 and the second insulating shell 220 The second insulating casing 220 maintains a certain distance in space. However, in other embodiments, the base 200 is further provided with a third spacer spaced between the first insulating shell 210 and the second insulating shell 220 . Due to the arrangement of the spacer, it is less likely to be affected by wear and tear during use.

It can be seen from FIG. 7A and FIG. 7B that, unlike the base 200 of the previous embodiment, an outer conductor connector 235 is provided, which is connected to the first outer ring welding part 2313 of the first outer ring terminal 231 and the first inner ring terminal 233. The first inner ring welding part 2332 is electrically connected, and an inner conductor connector 236 is provided, which is electrically connected to the second outer ring welding part 2323 of the second outer ring terminal 232 and the second inner ring welding part 2343 of the second inner ring terminal 234. sexual connection. The connection between the terminals is ensured by the arrangement of the connectors, so that the electrical conductivity can be maintained to a certain extent.

And, as shown in Figure 7A and Figure 7B, the structure of the outer conductor connector 235 and the inner conductor connector 236 is corresponding to the groove structure in the middle of the second insulating shell 220, taking this embodiment as an example, the second The insulating housing 220 is provided with three grooves 221 , which are respectively assembled with the central connection portion 2302 of the central terminal 230 , the outer conductor connector 235 and the inner conductor connector 236 . It can be seen that the central connection portion 2302 of the central terminal 230, the first outer ring welding portion 2313 of the first outer ring terminal 231, the first inner ring welding portion 2312 of the first inner ring terminal 233, and the second outer ring terminal 232 The corresponding structure between the second outer ring welding part 2323 and the second inner ring welding part 2342 of the second inner ring terminal 234 and the second insulating shell 220 makes the solid connection between the terminal member and the second insulating shell 220 The design method is stable and can withstand more than 100 times of docking and assembly with electrical connectors.

The utility model also discloses an electrical connector assembly, including the aforementioned electrical connector 100 and the base 200 . Please refer to Figures 8 to 10, Figure 8 is a schematic diagram of the use state of the electrical connector and its base assembly of an embodiment of the utility model, Figure 9 is a cross-sectional view of the utility model along the line A-A' of Figure 8, and Figure 10 is The utility model is a cross-sectional view along line BB' in Fig. 8 . When the electrical connector 100 is assembled with the base 200, the first contact portion 1412 of the first conductor 141 passes through a socket 2021 of the second spacer 202, and is electrically connected to the central butt joint portion 2301 of the central terminal 230, and the second conductor 142 The second contact part 1422 of the second contact part 1422 passes through a socket 2011 of the first spacer 201, and is electrically connected to the second outer ring butt joint part 2321 of the second outer ring terminal 232 and the second inner ring butt joint part 2341 of the second inner ring terminal 234. connection, the third contact portion 1432 of the third conductor 143 passes through a socket 211 of the first insulating shell 210, and is connected to the first outer ring butt joint portion 2311 of the first outer ring terminal 231 and the first inner ring terminal 233. The inner ring docking portion 2331 is electrically connected.

Since in the electrical connector 100, the second contact portion 1422 of the second conductor 142 can be disposed at any position at a first distance R1 from the first contact portion 1412 of the first conductor 141, the third contact portion of the third conductor 143 1432 can be set at any position away from the first contact portion 1412 of the first conductor 141 by the second distance R2, and the length DC of the first contact portion 1412 of the first conductor 141 exposed to the lower insulating shell 120 is greater than that of the second conductor The second contact portion 1422 of 142 is exposed to the length D1 of the lower insulating shell 120 and the third contact portion 1422 of the third conductor 143 is exposed to the length D2 of the lower insulating shell 120. When assembled with the base 200, the first conductor The socket 2021 where 141 is docked with the central terminal 230 is regarded as the center of the circle. If the socket 2021 corresponding to the other terminal components of the base 200 has a shape that coincides with the rotation track of the second conductor 142 and the third conductor 143 of the electrical connector 100, Non-directional docking can be realized between the electrical connector 100 and the base 200 .

By virtue of the structural design between the conductor member of the electrical connector 100 and the base 200, as long as the first conductor 141 of the electrical connector 100 is aligned with the socket 2021 of the base 200 corresponding to the central terminal 230, the electrical connector 100 can be connected Assembled on the base 200, it is convenient and easy for users to plug in and use, and thus the manufacturer saves the increased cost of setting the fool-proof structure, and ensures that the electrical connector 100 and Structural stability between the bases 200 .

In summary, although the present application has disclosed the preferred embodiments above, the above preferred embodiments are not intended to limit the present application. Those of ordinary skill in the art can make various modifications without departing from the spirit and scope of the present application. Therefore, the scope of protection of the present application is subject to the scope defined in the claims.

Claims (11)

1. An electrical connector, characterized in that it comprises: The upper insulating shell is provided with at least one jack; The lower insulating case is arranged below the upper insulating case and connected with the upper insulating case; The first pole conductive terminal has a first elastic piece part and a first connecting part, and the first elastic piece part is arranged correspondingly to an insertion hole of the upper insulating case; The second pole conductive terminal has a second elastic piece part and a second connecting part, and the second elastic piece part is arranged corresponding to an insertion hole of the upper insulating case; The third pole conductive terminal has a third elastic piece part and a third connecting part, and the third elastic piece part is arranged correspondingly to an insertion hole of the upper insulating case; The first conductor is electrically connected to the first connection part of the first pole conductive terminal, and has a first fixing part and a first contact part, and the first fixing part fixes the first conductor to the lower insulation case; The second conductor is electrically connected to the second connection part of the second pole conductive terminal, and has a second fixing part and a second contact part, and the second fixing part fixes the second conductor to the lower insulation casing; and The third conductor is electrically connected to the third connection part of the third pole conductive terminal, and has a third fixing part and a third contact part, and the third fixing part fixes the third conductor to the lower insulation case; Wherein, the first contact portion of the first conductor, the second contact portion of the second conductor and the third contact portion of the third conductor are arranged outside the lower insulating housing, and the second contact portion of the second conductor The distance between the second contact portion and the first contact portion of the first conductor is a first distance, and the distance between the third contact portion of the third conductor and the first contact portion of the first conductor is a second distance, and the first distance is smaller than the second distance. 2. The electrical connector according to claim 1, wherein the length of the first contact portion of the first conductor exposed to the lower insulating housing is greater than the length of the second contact portion of the second conductor exposed to the lower insulating housing. The length of the lower insulating case or the third contact portion of the third conductor is exposed to the length of the lower insulating case. 3. The electrical connector according to claim 1, wherein the lower insulating housing is provided with at least one extending portion partially covering the first contact portion of the first conductor, the second conductor of the second conductor The second contact portion or the third contact portion of the third conductor. 4. A base, characterized in that it comprises: The first insulating shell is provided with at least one socket; a second insulating case disposed below the first insulating case and connected to the first insulating case; The first spacer is provided with a socket; The second spacer is provided with a socket, wherein the first spacer and the second spacer are arranged between the first insulating shell and the second insulating shell; The central terminal has a central butt joint part and a central connection part, the central butt joint part is arranged correspondingly to a socket of the second spacer, and the central connection part fixes the central terminal to the first insulating shell and the second insulating shell. between shells; The first outer ring terminal has a first outer ring connecting portion and a first outer ring connecting portion, the first outer ring connecting portion is arranged corresponding to a socket of the first insulating housing, and the first outer ring connecting portion makes the The first outer ring terminal is fixed between the first insulating shell and the second insulating shell; The first inner ring terminal has a first inner ring butt joint portion and a first inner ring welding portion, the first inner ring butt joint portion is arranged correspondingly to a socket of the first insulating housing, the first inner ring welding portion is connected to the first inner ring welding portion the first outer ring connecting portion is electrically connected; The second outer ring terminal has a second outer ring butt joint portion and a second outer ring connection portion, the second outer ring butt joint portion is arranged correspondingly to a socket of the first spacer, and the second outer ring connection portion enables the the second outer ring terminal is fixed between the first insulating case and the second insulating case; and The second inner ring terminal has a second inner ring butt joint portion and a second inner ring welding portion, the second inner ring butt joint portion is arranged corresponding to a socket of the first spacer, the second inner ring welding portion is connected to the second inner ring welding portion the second outer ring connecting portion is electrically connected; Wherein, the first outer ring butt joint of the first outer ring terminal and the first inner ring butt joint of the first inner ring terminal correspond to the same socket, and the second outer ring butt joint of the second outer ring terminal The same socket is provided corresponding to the second inner ring docking portion of the second inner ring terminal. 5. The base according to claim 4, wherein the first spacer is spaced apart from the first inner ring butt joint portion of the first inner ring terminal and the second outer ring butt joint of the second outer ring terminal between departments. 6 . The base of claim 4 , wherein the second spacer is spaced between the second inner ring butt joint portion of the second inner ring terminal and the central joint joint portion of the central terminal. 7. A base, characterized in that it comprises: The first insulating shell is provided with at least one socket; a second insulating case disposed below the first insulating case and connected to the first insulating case; The first spacer is provided with a socket; The second spacer is provided with a socket, wherein the first spacer and the second spacer are arranged between the first insulating shell and the second insulating shell; The central terminal has a central butt joint part and a central connection part, the central butt joint part is arranged correspondingly to a socket of the second spacer, and the central connection part fixes the central terminal to the first insulating shell and the second insulating shell. between shells; The first outer ring terminal has a first outer ring butt joint portion and a first outer ring welding portion, the first outer ring butt joint portion is arranged correspondingly to a socket of the first insulating housing, and the first outer ring butt joint portion is disposed on Between the first insulating shell and the first spacer, the first outer ring welding part is arranged between the second insulating shell and the second spacer; The first inner ring terminal has a first inner ring butt joint portion and a first inner ring welding portion, the first inner ring butt joint portion is arranged correspondingly to a socket of the first insulating housing, and the first inner ring butt joint portion is disposed on Between the first insulating shell and the first spacer, the first inner ring welding part is arranged between the second insulating shell and the second spacer; The second outer ring terminal has a second outer ring butt joint portion and a second outer ring welding portion, the second outer ring butt joint portion is arranged correspondingly to a socket of the first spacer, and the second outer ring butt joint portion is disposed on the Between the first spacer and the second spacer, the second outer ring welding part is arranged between the second insulating shell and the second spacer; and The second inner ring terminal has a second inner ring butt joint portion and a second inner ring welding portion, the second inner ring butt joint portion is arranged correspondingly to a socket of the first spacer, and the second inner ring butt joint portion is disposed on Between the first spacer and the second spacer, the second outer ring welding part is arranged between the second insulating shell and the second spacer; Wherein, the first outer ring butt joint of the first outer ring terminal and the first inner ring butt joint of the first inner ring terminal correspond to the same socket, and the second outer ring butt joint of the second outer ring terminal The same socket is provided corresponding to the second inner ring docking portion of the second inner ring terminal. 8. The base according to claim 7, wherein the first spacer is spaced apart from the first inner ring butt joint portion of the first inner ring terminal and the second outer ring butt joint of the second outer ring terminal between departments. 9 . The base according to claim 7 , wherein the second spacer is spaced between the second inner ring abutting portion of the second inner ring terminal and the central abutting portion of the central terminal. 10. The base according to claim 7, characterized in that, the base is provided with an outer conductor connecting piece, and the first outer ring welding portion of the outer conductor connecting piece and the first outer ring terminal is connected to the first inner ring The first inner ring welding portion of the terminal is electrically connected. 11. The base according to claim 7, characterized in that, the base is provided with an inner conductor connecting piece, and the second outer ring welding portion of the inner conductor connecting piece and the second outer ring terminal is connected to the second inner ring The second inner ring welding portion of the terminal is electrically connected.

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