CN220731843U - Connector with a plurality of connectors - Google Patents

Abstract

The utility model discloses a connector. The connector includes: a housing; a first terminal disposed in the housing; a second terminal disposed in the housing above the first terminal; a transit terminal fixed to the first terminal and having a connection end portion extending beyond the first and second terminals in a lateral direction of the housing; a first connection member for electrically connecting the first conductive member to the top surface of the connection end portion of the transit terminal; and a second connection member for electrically connecting the second conductive member to the top surface of the second terminal. In the utility model, the direction of the first connecting piece can be changed by the switching terminal, so that the first connecting piece used for connecting the first terminal and the second connecting piece used for connecting the second terminal can face the same design direction, and the application range of the connector is enlarged.

Description

Connector with a plurality of connectors

Technical Field

The present utility model relates to a connector, and more particularly, to a power connector.

Background

In the prior art, a power connector generally includes a housing and first and second power terminals disposed in the housing. The first power terminal includes a first elastic arm and a first connection plate at both ends thereof, respectively. The second power terminal comprises a second elastic arm and a second connecting plate which are respectively positioned at two ends of the second power terminal. The first resilient arm is for electrical contact with the first pair of mating terminals, and the first connection plate is electrically connected to the first conductive member by the first connection member, for example, to the first connection terminal on the first cable end. The second spring arm is for making electrical contact with a second pair of mating terminals, and the second connection plate is electrically connected to the second conductive member by a second connection member, for example, to a second connection terminal on the second cable end.

In the prior art, the second power terminal is located above the first power terminal. The second power supply terminal and the first power supply terminal are spaced apart in the height direction of the housing and overlap each other such that the top surface of the first power supply terminal is shielded by the second power supply terminal. Accordingly, the first conductive member and the second conductive member can only be electrically connected to the bottom surface of the first power terminal and the top surface of the second power terminal, respectively, which results in the first connection member and the second connection member having to face downward and upward, respectively, which limits the range of applications of the connector.

Disclosure of Invention

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

According to one aspect of the present utility model, a connector is provided. The connector includes: a housing; a first terminal disposed in the housing; a second terminal disposed in the housing above the first terminal; a transit terminal fixed to the first terminal and having a connection end portion extending beyond the first and second terminals in a lateral direction of the housing; a first connection member for electrically connecting the first conductive member to the top surface of the connection end portion of the transit terminal; and a second connection member for electrically connecting the second conductive member to the top surface of the second terminal.

According to an exemplary embodiment of the present utility model, the first terminal and the second terminal are spaced apart in a height direction of the housing and overlap each other such that a top surface of the first terminal is shielded by the second terminal located thereabove.

According to another exemplary embodiment of the present utility model, the first connection member extends upward from a top surface of the connection end portion of the transit terminal in a height direction of the housing by a predetermined length, and the predetermined length is larger than a pitch of the first terminal and the second terminal in the height direction of the housing.

According to another exemplary embodiment of the present utility model, the second terminal and the first terminal are identical and symmetrically arranged at both upper and lower sides within the housing.

According to another exemplary embodiment of the present utility model, the first terminal includes: a first connection plate portion perpendicular to a height direction of the housing; and a plurality of first elastic arms aligned in a row in a lateral direction of the housing, the transit terminal being plate-shaped and fixed to a bottom surface or a top surface of the first connection plate portion.

According to another exemplary embodiment of the present utility model, the connector further includes: and a third connecting member for connecting the transit terminal to the bottom surface or the top surface of the first connecting plate portion.

According to another exemplary embodiment of the present utility model, the transit terminal is welded or riveted to the bottom surface or the top surface of the first connection plate portion.

According to another exemplary embodiment of the present utility model, the second terminal includes: a second connecting plate portion perpendicular to the height direction of the housing; and a plurality of second elastic arms aligned in a lateral direction of the housing, the second connection plate portion being located above the first connection plate portion, the plurality of second elastic arms being located above the plurality of first elastic arms, the second connection member being for electrically connecting the second conductive member to a top surface of the second connection plate portion.

According to another exemplary embodiment of the present utility model, the housing has front and rear opposite in the longitudinal direction thereof, and a slot allowing insertion of a mating plug is formed in the front of the housing, the slot extending in the lateral and longitudinal directions of the housing; the first elastic arm and the second elastic arm are respectively positioned at the lower side and the upper side in the slot and are used for respectively electrically contacting with a first pair of matched terminals and a second pair of matched terminals on a pair of matched plugs inserted into the slot.

According to another exemplary embodiment of the present utility model, a receiving chamber is formed at a rear portion of the housing, the first connection plate portion, the second connection plate portion, and the transfer terminal are received in the receiving chamber, and a top and a rear side of the receiving chamber are opened to allow the first conductive member and the second conductive member to be placed in the receiving chamber.

According to another exemplary embodiment of the present utility model, the transit terminal is fixed to the bottom surface of the first connection plate portion of the first terminal and supported on the inner surface of the bottom wall of the accommodating chamber.

According to another exemplary embodiment of the present utility model, the housing has a pair of vertical partition walls in the accommodating chamber and a horizontal partition wall connected between bottoms of the pair of vertical partition walls; the horizontal partition wall is positioned between the first connecting plate part and the second connecting plate part and is used for separating the first connecting plate part and the second connecting plate part; the pair of vertical partition walls are respectively located at both lateral sides of the second connection plate portion for partitioning the second connection plate portion from the first connection member.

According to another exemplary embodiment of the present utility model, the transit terminal has two connection ends opposite in a lateral direction of the housing, on which first connection holes are formed, respectively; the connector comprises two first connecting pieces, wherein the two first connecting pieces respectively penetrate through first connecting holes on the two connecting end parts and are used for respectively and electrically connecting two first conductive pieces to the top surfaces of the two connecting end parts.

According to another exemplary embodiment of the present utility model, two second connection holes are formed on the second connection plate portion of the second terminal, and the connector includes two second connection pieces respectively penetrating through the two second connection holes for electrically connecting two second conductive pieces respectively to the top surfaces of the second connection plate portion.

According to another exemplary embodiment of the present utility model, the first terminal further includes: a first fixing plate portion connected between the first connecting plate portion and the first elastic arm and fixed into the housing; the second terminal further includes: and a second fixing plate portion connected between the second connecting plate portion and the second elastic arm and fixed into the housing.

According to another exemplary embodiment of the present utility model, the connector further includes: a first auxiliary terminal mounted to a first fixing plate portion of the first terminal and a bottom surface of the first elastic arm; and a second auxiliary terminal mounted to the second fixing plate portion of the second terminal and the top surface of the second elastic arm.

According to another exemplary embodiment of the present utility model, the first auxiliary terminal includes: a first substrate part laminated and fixed on a bottom surface of a first fixing plate part of the first terminal; and a first elastic plate connected to the first base plate portion and abutting on the bottom surface of the first elastic arm.

According to another exemplary embodiment of the present utility model, the second auxiliary terminal includes: a second substrate part laminated and fixed on a top surface of a second fixing plate part of the second terminal; and a second elastic plate connected with the second base plate part and abutted against the top surface of the second elastic arm.

According to another exemplary embodiment of the present utility model, the first substrate portion is snapped, welded or riveted onto the first fixing plate portion of the first terminal; and/or the second base plate portion is snapped, welded or riveted onto the second fixing plate portion of the second terminal.

According to another exemplary embodiment of the present utility model, a first clip is formed on one of the first base plate portion and the first fixing plate portion, and a first clip groove is formed on the other, the first clip being engaged into the first clip groove to fix the first base plate portion to the first fixing plate portion; a second snap is formed on one of the second base plate portion and the second fixing plate portion, and a second snap groove is formed on the other, the second snap being engaged into the second snap groove to fix the second base plate portion to the second fixing plate portion.

According to another exemplary embodiment of the present utility model, the first, second and third connectors are threaded connectors.

According to another exemplary embodiment of the present utility model, the first terminal, the second terminal and the adapter terminal are respectively formed as a one-piece stamped and formed part.

According to another exemplary embodiment of the present utility model, the connector is a power connector, and the first terminal and the second terminal are power terminals.

In the foregoing respective exemplary embodiments according to the present utility model, the transit terminal can change the orientation of the first connection member so that both the first connection member for connecting the first terminal and the second connection member for connecting the second terminal can be oriented in the same design direction, for example, both face upward, expanding the application range of the connector.

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

Drawings

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model, as seen from the front side;

fig. 2 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model, as seen from the rear side;

FIG. 3 shows an exploded schematic view of a connector according to an exemplary embodiment of the utility model;

fig. 4 shows a longitudinal cross-section of a connector according to an exemplary embodiment of the utility model;

fig. 5 shows a schematic perspective view of a terminal of a connector according to an exemplary embodiment of the present utility model;

fig. 6 shows an assembled schematic view of the terminals and auxiliary terminals of the connector according to an exemplary embodiment of the present utility model;

fig. 7 shows an exploded schematic view of the terminals and auxiliary terminals of the connector according to an exemplary embodiment of the present utility model.

Detailed Description

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

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

According to one general technical concept of the present utility model, a connector is provided. The connector includes: a housing; a first terminal disposed in the housing; a second terminal disposed in the housing above the first terminal; a transit terminal fixed to the first terminal and having a connection end portion extending beyond the first and second terminals in a lateral direction of the housing; a first connection member for electrically connecting the first conductive member to the top surface of the connection end portion of the transit terminal; and a second connection member for electrically connecting the second conductive member to the top surface of the second terminal.

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model, as seen from the front side; fig. 2 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model, as seen from the rear side; FIG. 3 shows an exploded schematic view of a connector according to an exemplary embodiment of the utility model; fig. 4 shows a longitudinal cross-section of a connector according to an exemplary embodiment of the utility model; fig. 5 shows a schematic perspective view of a terminal of a connector according to an exemplary embodiment of the present utility model.

As shown in fig. 1 to 5, in an exemplary embodiment of the present utility model, a connector is disclosed. The connector includes: the housing 1, the first terminal 21, the second terminal 22, the transit terminal 23, the first connector 201, and the second connector 202. The first terminal 21 is provided in the housing 1. The second terminal 22 is provided in the housing 1 above the first terminal 21. The transit terminal 23 is fixed to the first terminal 21. The transit terminal 23 has a connection end 230 extending beyond the first terminal 21 and the second terminal 22 in the lateral direction X of the housing 1. The first connection member 201 is used to electrically connect a first conductive member (not shown, for example, a first connection terminal on the first cable end) to the top surface of the connection end 230 of the transit terminal 23. The second connector 202 is used to electrically connect a second conductive member (not shown, such as a second connection terminal on a second cable end) to the top surface of the second terminal 22.

As shown in fig. 1 to 5, in the illustrated embodiment, the first terminal 21 and the second terminal 22 are spaced apart in the height direction Z of the housing 1 and overlap each other such that the top surface of the first terminal 21 is shielded by the second terminal 22 located thereabove. This results in the first conductive member not being electrically connected to the top surface of the first terminal 21.

As shown in fig. 1 to 5, in the illustrated embodiment, the first connection member 201 extends upward from the top surface of the connection end 230 of the transit terminal 23 by a predetermined length in the height direction Z of the housing 1, and the predetermined length is larger than the pitch of the first terminal 21 and the second terminal 22 in the height direction Z of the housing 1. This results in the first connection 201 not being able to be disposed between the first terminal 21 and the second terminal 22.

As shown in fig. 1 to 5, in the illustrated embodiment, the second terminal 22 and the first terminal 21 are identical and symmetrically arranged on both upper and lower sides within the housing 1.

As shown in fig. 1 to 5, in the illustrated embodiment, the first terminal 21 includes: a first connection plate portion 210 and a plurality of first elastic arms 211. The first connection plate portion 210 is perpendicular to the height direction Z of the housing 1. The plurality of first elastic arms 211 are aligned in the lateral direction X of the housing 1. The transit terminal 23 is plate-shaped and fixed to the bottom surface or the top surface of the first connection plate portion 210.

As shown in fig. 1 to 5, in the illustrated embodiment, the connector further includes a third connecting member 203, and the third connecting member 203 is used to connect the transit terminal 23 to the bottom surface or the top surface of the first connecting plate portion 210. However, the present utility model is not limited to the illustrated embodiment, and for example, the transit terminal 23 may be welded or riveted to the bottom surface or the top surface of the first connection plate portion 210.

As shown in fig. 1 to 5, in the illustrated embodiment, the second terminal 22 includes: a second connecting plate portion 220 and a plurality of second elastic arms 221. The second connection plate portion 220 is perpendicular to the height direction Z of the housing 1. The plurality of second elastic arms 221 are aligned in the lateral direction X of the housing 1. The second connection plate portion 220 is located above the first connection plate portion 210, and the plurality of second elastic arms 221 are located above the plurality of first elastic arms 211. The second connector 202 is used to electrically connect the second conductive member to the top surface of the second connection plate portion 220.

As shown in fig. 1 to 5, in the illustrated embodiment, the housing 1 has a front portion 11 and a rear portion 10 opposed in a longitudinal direction Y thereof, and a slot 101 allowing insertion of a mating plug (not shown) is formed in the front portion 11 of the housing 1, the slot 101 extending in the lateral direction X and the longitudinal direction Y of the housing 1. The first elastic arm 211 and the second elastic arm 221 are respectively located at a lower side and an upper side in the socket 101 for respectively electrically contacting with a first pair of mating terminals (not shown) and a second pair of mating terminals (not shown) on a mating plug inserted into the socket 101.

As shown in fig. 1 to 5, in the illustrated embodiment, a receiving chamber 100 is formed at the rear 10 of the case 1, the first connection plate portion 210, the second connection plate portion 220, and the transfer terminal 23 are received in the receiving chamber 100, and the top and rear sides of the receiving chamber 100 are opened to allow the first and second conductive members to be placed into the receiving chamber 100.

As shown in fig. 1 to 5, in the illustrated embodiment, the transit terminal 23 is fixed to the bottom surface of the first connection plate portion 210 of the first terminal 21 and is supported on the inner surface of the bottom wall 12 of the housing chamber 100. The front 11 of the housing 1 is tongue-shaped and is connected to the outside of the front side wall 13 of the rear 10 of the housing 1.

As shown in fig. 1 to 5, in the illustrated embodiment, the housing 1 has a pair of vertical partition walls 111 located in the accommodation chamber 100 and a horizontal partition wall 112 connected between the bottoms of the pair of vertical partition walls 111. The horizontal dividing wall 112 is located between the first and second connection plate portions 210 and 220 for dividing the first and second connection plate portions 210 and 220. A pair of vertical partition walls 111 are respectively located at both lateral sides X of the second connection plate portion 220 for separating the second connection plate portion 220 from the first connection member 201.

Fig. 6 shows an assembled schematic view of the terminals and auxiliary terminals of the connector according to an exemplary embodiment of the present utility model; fig. 7 shows an exploded schematic view of the terminals and auxiliary terminals of the connector according to an exemplary embodiment of the present utility model.

As shown in fig. 1 to 7, in the illustrated embodiment, the transit terminal 23 has two connection end portions 230 opposed in the lateral direction X of the housing 1, and first connection holes 21a are formed in the two connection end portions 230, respectively. The connector includes two first connection members 201, the two first connection members 201 respectively passing through the first connection holes 21a on the two connection end portions 230 for electrically connecting the two first conductive members to the top surfaces of the two connection end portions 230, respectively.

As shown in fig. 1 to 7, in the illustrated embodiment, two second connection holes 22a are formed on the second connection plate portion 220 of the second terminal 22, and the connector includes two second connection pieces 202, the two second connection pieces 202 respectively passing through the two second connection holes 22a for electrically connecting the two second conductive pieces respectively to the top surfaces of the second connection plate portion 220.

As shown in fig. 1 to 7, in the illustrated embodiment, the first terminal 21 further includes a first fixing plate portion 212. The first fixing plate portion 212 is connected between the first connecting plate portion 210 and the first elastic arm 211 and is fixed into the housing 1. The second terminal 22 further includes a second fixing plate portion 222, and the second fixing plate portion 222 is connected between the second connecting plate portion 220 and the second elastic arm 221 and is fixed into the housing 1.

As shown in fig. 1 to 7, in the illustrated embodiment, the connector further includes: a first auxiliary terminal 31 and a second auxiliary terminal 32. The first auxiliary terminal 31 is mounted to the first fixing plate portion 212 of the first terminal 21 and the bottom surface of the first elastic arm 211. The second auxiliary terminal 32 is mounted to the second fixing plate portion 222 of the second terminal 22 and the top surface of the second elastic arm 221.

As shown in fig. 1 to 7, in the illustrated embodiment, the first auxiliary terminal 31 includes: a first base plate portion 312 and a first elastic plate 311. The first substrate portion 312 is laminated and fixed on the bottom surface of the first fixing plate portion 212 of the first terminal 21. The first elastic plate 311 is connected to the first substrate portion 312 and abuts on the bottom surface of the first elastic arm 211 to improve the elastic contact force of the first elastic arm 211.

As shown in fig. 1 to 7, in the illustrated embodiment, the second auxiliary terminal 32 includes: a second base plate portion 322 and a second elastic plate 321. The second substrate portion 322 is laminated and fixed on the top surface of the second fixing plate portion 222 of the second terminal 22. The second elastic plate 321 is connected to the second base plate portion 322 and abuts against the top surface of the second elastic arm 221 to enhance the elastic contact force of the second elastic arm 221.

As shown in fig. 1-7, in the illustrated embodiment, the first substrate portion 312 may be snapped, welded or riveted onto the first fixed plate portion 212 of the first terminal 21. The second base plate portion 322 may be snapped, welded or riveted onto the second fixed plate portion 222 of the second terminal 22.

As shown in fig. 1 to 7, in the illustrated embodiment, a first catch 21b is formed on one of the first base plate portion 312 and the first fixing plate portion 212, and a first catch groove 31b is formed on the other, and the first catch 21b is engaged into the first catch groove 31b to fix the first base plate portion 312 to the first fixing plate portion 212. A second catch 22b is formed on one of the second base plate portion 322 and the second fixing plate portion 222, and a second catch groove 32b is formed on the other, the second catch 22b being engaged into the second catch groove 32b to fix the second base plate portion 322 to the second fixing plate portion 222.

As shown in fig. 1-7, in the illustrated embodiment, the first, second, and third connectors 201, 202, 203 are threaded connectors. For example, it may be a bolt or a screw.

As shown in fig. 1 to 7, in the illustrated embodiment, the first terminal 21, the second terminal 22, and the transit terminal 23 are respectively integrally stamped and formed pieces. This can reduce manufacturing costs.

As shown in fig. 1 to 7, in the illustrated embodiment, the connector is a power connector, and the first terminal 21 and the second terminal 22 are power terminals. However, the present utility model is not limited to the illustrated embodiment, and the connector may be a signal connector for transmitting a signal.

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

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

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

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

Claims (23)

1. A connector, comprising:

a housing (1);

a first terminal (21) provided in the housing (1);

a second terminal (22) provided in the housing (1) and located above the first terminal (21);

-a transit terminal (23) fixed to said first terminal (21) and having a connection end (230) extending beyond said first and second terminals (21, 22) in a transversal direction (X) of said housing (1);

a first connection member (201) for electrically connecting the first conductive member to the top surface of the connection end portion (230) of the transit terminal (23); and

and a second connection member (202) for electrically connecting the second conductive member to the top surface of the second terminal (22).

2. The connector according to claim 1, wherein:

the first terminals (21) and the second terminals (22) are spaced apart in the height direction (Z) of the housing (1) and overlap each other such that the top surface of the first terminals (21) is shielded by the second terminals (22) located thereabove.

3. The connector according to claim 1, wherein:

the first connection member (201) extends upward from a top surface of a connection end (230) of the adapter terminal (23) along a height direction (Z) of the housing (1) by a predetermined length, and the predetermined length is greater than a distance between the first terminal (21) and the second terminal (22) in the height direction (Z) of the housing (1).

4. The connector according to claim 1, wherein:

the second terminals (22) are identical to the first terminals (21) and are symmetrically arranged on the upper and lower sides within the housing (1).

5. The connector according to claim 1, wherein:

the first terminal (21) includes:

a first connection plate portion (210) perpendicular to the height direction (Z) of the housing (1); and

a plurality of first elastic arms (211) aligned in a transverse direction (X) of the housing (1),

the transit terminal (23) is plate-shaped and fixed to the bottom surface or the top surface of the first connection plate portion (210).

6. The connector of claim 5, further comprising:

and a third connecting member (203) for connecting the transit terminal (23) to the bottom surface or the top surface of the first connecting plate portion (210).

7. The connector of claim 5, wherein:

the adapter terminal (23) is welded or riveted to the bottom or top surface of the first connecting plate portion (210).

8. The connector of claim 5, wherein:

the second terminal (22) includes:

a second connection plate portion (220) perpendicular to the height direction (Z) of the housing (1); and

a plurality of second elastic arms (221) aligned in a transverse direction (X) of the housing (1),

the second connection plate portion (220) is located above the first connection plate portion (210), the plurality of second elastic arms (221) is located above the plurality of first elastic arms (211), and the second connection member (202) is used for electrically connecting the second conductive member to the top surface of the second connection plate portion (220).

9. The connector of claim 8, wherein:

the housing (1) has a front portion (11) and a rear portion (10) opposite in a longitudinal direction (Y) thereof, a slot (101) allowing insertion of a mating plug is formed in the front portion (11) of the housing (1), the slot (101) extending in the lateral direction (X) and the longitudinal direction (Y) of the housing (1);

the first elastic arm (211) and the second elastic arm (221) are respectively positioned at the lower side and the upper side in the slot (101) and are used for respectively electrically contacting with a first pair of matched terminals and a second pair of matched terminals on a matched plug inserted into the slot (101).

10. The connector of claim 9, wherein:

a housing chamber (100) is formed at a rear portion (10) of the housing (1), the first connection plate portion (210), the second connection plate portion (220), and the transfer terminal (23) are housed in the housing chamber (100), and a top and a rear side of the housing chamber (100) are opened to allow the first conductive member and the second conductive member to be placed into the housing chamber (100).

11. The connector of claim 10, wherein:

the transit terminal (23) is fixed to the bottom surface of the first connection plate portion (210) of the first terminal (21) and supported on the inner surface of the bottom wall (12) of the housing chamber (100).

12. The connector of claim 10, wherein:

the housing (1) has a pair of vertical partition walls (111) located in the accommodation chamber (100) and a horizontal partition wall (112) connected between bottoms of the pair of vertical partition walls (111);

the horizontal partition wall (112) is located between the first connecting plate portion (210) and the second connecting plate portion (220) and is used for separating the first connecting plate portion (210) from the second connecting plate portion (220);

the pair of vertical partition walls (111) are respectively located at both sides of the second connection plate portion (220) in the transverse direction (X) for separating the second connection plate portion (220) from the first connection member (201).

13. The connector of claim 8, wherein:

the adapter terminal (23) has two connection ends (230) which are opposite to each other in the lateral direction (X) of the housing (1), and first connection holes (21 a) are formed in the two connection ends (230), respectively;

the connector comprises two first connecting pieces (201), wherein the two first connecting pieces (201) respectively pass through first connecting holes (21 a) on the two connecting end parts (230) and are used for respectively and electrically connecting two first conductive pieces to the top surfaces of the two connecting end parts (230).

14. The connector of claim 13, wherein:

two second connection holes (22 a) are formed in the second connection plate portion (220) of the second terminal (22), the connector includes two second connection pieces (202), and the two second connection pieces (202) respectively pass through the two second connection holes (22 a) for electrically connecting two second conductive pieces respectively to the top surfaces of the second connection plate portion (220).

15. The connector of claim 8, wherein:

the first terminal (21) further includes:

a first fixing plate portion (212) connected between the first connecting plate portion (210) and the first elastic arm (211) and fixed into the housing (1);

the second terminal (22) further includes:

a second fixing plate portion (222) connected between the second connecting plate portion (220) and the second elastic arm (221) and fixed into the housing (1).

16. The connector of claim 15, further comprising:

a first auxiliary terminal (31) mounted to a bottom surface of a first fixing plate portion (212) and a first elastic arm (211) of the first terminal (21); and

and a second auxiliary terminal (32) mounted to the second fixing plate portion (222) of the second terminal (22) and the top surface of the second elastic arm (221).

17. The connector of claim 16, wherein:

the first auxiliary terminal (31) includes:

a first substrate portion (312) laminated and fixed on the bottom surface of a first fixing plate portion (212) of the first terminal (21); and

and a first elastic plate (311) connected to the first substrate portion (312) and abutting on the bottom surface of the first elastic arm (211).

18. The connector of claim 17, wherein:

the second auxiliary terminal (32) includes:

a second substrate portion (322) laminated and fixed on the top surface of a second fixing plate portion (222) of the second terminal (22); and

and a second elastic plate (321) connected to the second base plate portion (322) and abutting on the top surface of the second elastic arm (221).

19. The connector of claim 18, wherein:

the first substrate portion (312) is snapped, welded or riveted to the first fixing plate portion (212) of the first terminal (21); and/or

The second base plate portion (322) is snapped, welded or riveted onto the second fixing plate portion (222) of the second terminal (22).

20. The connector of claim 18, wherein:

a first catch (21 b) is formed on one of the first base plate portion (312) and the first fixing plate portion (212), and a first catch groove (31 b) is formed on the other, the first catch (21 b) being engaged into the first catch groove (31 b) to fix the first base plate portion (312) to the first fixing plate portion (212);

a second catch (22 b) is formed on one of the second base plate portion (322) and the second fixing plate portion (222), and a second catch groove (32 b) is formed on the other, and the second catch (22 b) is engaged into the second catch groove (32 b) to fix the second base plate portion (322) to the second fixing plate portion (222).

21. The connector of claim 6, wherein:

the first connection (201), the second connection (202) and the third connection (203) are threaded connections.

22. The connector according to claim 1, wherein:

the first terminal (21), the second terminal (22) and the switching terminal (23) are respectively integrated stamping forming parts.

23. The connector according to claim 1, wherein:

the connector is a power connector, and the first terminal (21) and the second terminal (22) are power terminals.