Electrical connection assembly, connector and connector assembly

Abstract

The utility model discloses an electric connection assembly, a connector and a connector assembly. The electric connection assembly comprises a circuit board, a first terminal and a second terminal. The circuit board is formed with first and second jacks and has a front surface and a back surface. The first terminal extends along a first direction perpendicular to the circuit board, and one end of the first terminal is press-fitted into the first jack from the front surface of the circuit board. The second terminal comprises a first extension part which extends along the first direction and one end of which is press-fitted into the second jack from the back surface of the circuit board; and the second extension part is connected with the other end of the first extension part and extends along a second direction perpendicular to the first direction. The first terminal is electrically connected to the second terminal via a conductive trace formed on the circuit board. According to the utility model, the first terminal and the second terminal are short in length and can be easily pressed into the jacks of the circuit board, so that the assembly difficulty is reduced, the assembly time is shortened, and the cost is reduced. In addition, the size of the product can be greatly reduced by switching the first terminal and the second terminal through the circuit board.

Description

Technical Field

[0001] The utility model relates to an electric connection assembly, comprising a connector of the electric connector assembly and a mating connector comprising the connector. Background Art

[0002] In the prior art, a high-speed data connector for right-angle connection (90-degree connection) generally includes a housing and a terminal bent 90 degrees. The terminal includes a horizontal extension portion and a vertical extension portion. The horizontal extension portion of the terminal is fixed in the housing and is used to mate with the mating terminal of the inserted mating connector. The vertical extension portion of the terminal extends downward beyond the bottom surface of the housing and is used to be soldered to the client circuit board. The existing terminals are long, occupy a large space, are easily deformed, difficult to manufacture, and difficult to assemble. Utility Model Content

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, an electrical connection assembly is provided. The electrical connection assembly includes: a circuit board, a first terminal and a second terminal. The circuit board is formed with a first socket and a second socket and has a front and a back face opposite to each other in the thickness direction thereof. The first terminal extends along a first direction perpendicular to the circuit board and one end of the first terminal is press-fitted into the first socket from the front face of the circuit board. The second terminal includes: a first extension portion extending along the first direction and one end of the first extension portion being press-fitted into the second socket from the back face of the circuit board; and a second extension portion connected to the other end of the first extension portion and extending along a second direction perpendicular to the first direction. The first terminal is electrically connected to the second terminal via a conductive trace formed on the circuit board.

[0005] According to an exemplary embodiment of the present invention, the electrical connection assembly includes a plurality of the first terminals and a plurality of the second terminals, and the plurality of the first terminals are electrically connected to the plurality of the second terminals respectively via conductive traces on the circuit board.

[0006] According to another exemplary embodiment of the present invention, the plurality of first terminals include a plurality of first power terminals for transmitting current and a plurality of first signal terminals for transmitting signals, and the first power terminals and the first signal terminals have different shapes and sizes.

[0007] According to another exemplary embodiment of the utility model, the first power terminal includes a plate-shaped body suitable for matching with the power terminal and a pair of first power terminal pins connected to one end of the plate-shaped body, and the pair of first power terminal pins are pressed into a corresponding pair of first sockets on the circuit board.

[0008] According to another exemplary embodiment of the present invention, the first signal terminal includes a needle-shaped body suitable for mating with a matching signal terminal and a first signal terminal pin connected to one end of the needle-shaped body, and the first signal terminal pin is pressed into a corresponding first socket on the circuit board.

[0009] According to another exemplary embodiment of the present invention, the plurality of second terminals include a plurality of second power terminals respectively corresponding to the plurality of first power terminals and a plurality of second signal terminals respectively corresponding to the plurality of first signal terminals, and the second power terminals and the second signal terminals are identical to each other.

[0010] According to another exemplary embodiment of the utility model, a second pin is formed on one end of the first extension portion of the second terminal, and the second pin is pressed into the second hole on the circuit board; the second extension portion of the second terminal is needle-shaped and extends a predetermined length along the second direction for electrical connection to the client circuit board.

[0011] According to another exemplary embodiment of the utility model, a plurality of engaging holes are formed on the circuit board, and the plurality of engaging holes are suitable for engaging with a plurality of elastic buckles on the housing of the connector to fix the electrical connection assembly to the housing.

[0012] According to another exemplary embodiment of the present utility model, three engaging holes are formed on the circuit board, and a center line connecting the three engaging holes forms a triangle.

[0013] According to another aspect of the utility model, a connector is provided. The connector comprises: a housing having a front opening and a rear side wall opposite to each other in a first direction and a top wall and a bottom wall opposite to each other in a second direction; and the aforementioned electrical connection assembly, whose circuit board is fixed to the outer side of the rear side wall of the housing. A slot corresponding to the first terminal is formed on the rear side wall of the housing, and the first terminal of the electrical connection assembly is inserted into the housing via the slot to mate with the mating terminal of the mating connector inserted into the housing.

[0014] According to an exemplary embodiment of the utility model, a plurality of supporting protrusions are formed on the outer side of the rear side wall of the shell, and the plurality of supporting protrusions have flat supporting surfaces; the supporting surfaces of the plurality of supporting protrusions are located in the same plane, and the circuit board is supported on the supporting surfaces of the plurality of supporting protrusions.

[0015] According to another exemplary embodiment of the present utility model, the slot is formed on the supporting protrusion, the supporting protrusion is strip-shaped and extends along the second direction and / or a third direction, and the third direction is perpendicular to the first direction and the second direction.

[0016] According to another exemplary embodiment of the utility model, a plurality of elastic buckles are formed on the outer side of the rear side wall of the shell, and the plurality of elastic buckles are respectively engaged in a plurality of engaging holes on the circuit board to fix the circuit board to the rear side wall of the shell.

[0017] According to another exemplary embodiment of the utility model, the elastic buckle includes an elastic arm and a protrusion formed on the end of the elastic arm, the elastic arm is inserted into the engaging hole from the front side of the circuit board, and the protrusion abuts against the edge of the opening of the engaging hole located on the back side of the circuit board.

[0018] According to another exemplary embodiment of the present invention, the second extension portion of the second terminal extends beyond the bottom wall of the housing along the second direction for electrical connection to a client circuit board.

[0019] According to another exemplary embodiment of the present invention, the connector also includes a third terminal, which includes: a horizontal extension portion, extending along the first direction and extending from the rear side wall of the shell into the shell; and a vertical extension portion, located outside the shell and extending beyond the bottom wall of the shell along the second direction, for electrically connecting to a client circuit board.

[0020] According to another exemplary embodiment of the utility model, the connector includes a plurality of third terminals, the horizontal extension portions of the plurality of third terminals are located below the first extension portions of the plurality of second terminals, and the vertical extension portions of the plurality of third terminals are closer to the rear side wall of the shell than the second extension portions of the plurality of second terminals.

[0021] According to another exemplary embodiment of the utility model, the connector also includes: a terminal retaining plate, which is mounted on the bottom of the shell and is used to retain the second extension portion of the second terminal and the vertical extension portion of the third terminal, and a plurality of positioning holes are formed on the terminal retaining plate to allow the second extension portion of the second terminal and the vertical extension portion of the third terminal to pass through respectively.

[0022] According to another exemplary embodiment of the utility model, a plurality of elastic lock catches are formed on the terminal retaining plate, and a plurality of locking holes are formed on the bottom of the shell, and the plurality of elastic lock catches are respectively engaged in the plurality of locking holes to fix the terminal retaining plate to the bottom of the shell.

[0023] According to another aspect of the utility model, a connector assembly is provided. The connector assembly comprises: the aforementioned connector; and a mating connector inserted into the front opening of the housing of the connector. The mating terminal of the mating connector is mated with the first terminal of the connector.

[0024] In the above exemplary embodiments of the present invention, the first and second terminals are short and easy to be pressed into the sockets on the circuit board, which reduces the difficulty of assembly, reduces the assembly time, and reduces the cost. In addition, the present invention can greatly reduce the volume of the product by connecting the first and second terminals on the circuit board.

[0025] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the utility model;

[0027] Figure 2 An exploded schematic diagram showing an electrical connection assembly according to an exemplary embodiment of the present utility model;

[0028] Figure 3 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model, wherein the electrical connection assembly has not yet been assembled to the housing of the connector;

[0029] Figure 4 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present utility model, wherein the electrical connection assembly has been assembled to the housing of the connector;

[0030] Figure 5 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present utility model, wherein the terminal holding plate has not yet been assembled to the housing of the connector;

[0031] Figure 6 A perspective schematic diagram of a connector according to an exemplary embodiment of the present utility model is shown, in which a terminal holding plate has been assembled to a housing of the connector. DETAILED DESCRIPTION

[0032] The technical solution of the utility model is further specifically described below through examples and in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.

[0033] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0034] According to an overall technical concept of the utility model, an electrical connection component is provided. The electrical connection component includes: a circuit board, a first terminal and a second terminal. The circuit board is formed with a first socket and a second socket and has a front and a back side opposite to each other in the thickness direction thereof. The first terminal extends along a first direction perpendicular to the circuit board and one end of the first terminal is pressed into the first socket from the front side of the circuit board. The second terminal includes: a first extension portion extending along the first direction and one end of the first extension portion being pressed into the second socket from the back side of the circuit board; and a second extension portion connected to the other end of the first extension portion and extending along a second direction perpendicular to the first direction. The first terminal is electrically connected to the second terminal via a conductive trace formed on the circuit board.

[0035] According to another general technical concept of the utility model, a connector is provided. The connector includes: a housing having a front opening and a rear side wall opposite to each other in a first direction and a top wall and a bottom wall opposite to each other in a second direction; and the aforementioned electrical connection assembly, whose circuit board is fixed to the outer side of the rear side wall of the housing. A slot corresponding to the first terminal is formed on the rear side wall of the housing, and the first terminal of the electrical connection assembly is inserted into the housing through the slot to mate with the mating terminal of the mating connector inserted into the housing.

[0036] According to another general technical concept of the utility model, a connector assembly is provided. The connector assembly includes: the aforementioned connector; and a mating connector inserted into the front opening of the housing of the connector. The mating terminal of the mating connector is mated with the first terminal of the connector.

[0037] Figure 1 A perspective schematic diagram showing an electrical connection assembly 100 according to an exemplary embodiment of the present utility model; Figure 2 An exploded schematic diagram showing an electrical connection assembly 100 according to an exemplary embodiment of the present utility model; Figure 3 An exploded schematic diagram of a connector according to an exemplary embodiment of the present utility model is shown, wherein the electrical connection assembly 100 has not yet been assembled to the housing 4 of the connector; Figure 4 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present utility model, wherein the electrical connection assembly 100 has been assembled to the housing 4 of the connector; Figure 5 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present utility model, wherein the terminal holding plate 6 has not yet been assembled to the housing 4 of the connector; Figure 6 A perspective schematic diagram of a connector according to an exemplary embodiment of the present invention is shown, in which the terminal holding plate 6 has been assembled to the housing 4 of the connector.

[0038] like Figures 1 to 6 As shown, in an exemplary embodiment of the utility model, an electrical connection assembly 100 is disclosed. The electrical connection assembly 100 includes: a circuit board 3, a first terminal 1 and a second terminal 2. The circuit board 3 is formed with a first plug hole 31 and a second plug hole 32 and has a front and a back face opposite to each other in the thickness direction thereof. The first terminal 1 extends along a first direction Y perpendicular to the circuit board 3 and one end thereof is pressed into the first plug hole 31 from the front face of the circuit board 3. The second terminal 2 includes: a first extension portion 21 and a second extension portion 22. The first extension portion 21 extends along a first direction Y and one end thereof is pressed into the second plug hole 32 from the back face of the circuit board 3. The second extension portion 22 is connected to the other end of the first extension portion 21 and extends along a second direction Z perpendicular to the first direction Y. The first terminal 1 is electrically connected to the second terminal 2 via a conductive trace formed on the circuit board 3.

[0039] like Figures 1 to 6 As shown, in the illustrated embodiment, the electrical connection assembly 100 includes a plurality of first terminals 1 and a plurality of second terminals 2 , and the plurality of first terminals 1 are electrically connected to the plurality of second terminals 2 via conductive traces on a circuit board 3 .

[0040] like Figures 1 to 6 As shown, in the illustrated embodiment, the plurality of first terminals 1 include a plurality of first power terminals 1' for transmitting current and a plurality of first signal terminals 1" for transmitting signals, and the first power terminals 1' and the first signal terminals 1" have different shapes and sizes.

[0041] like Figures 1 to 6 As shown, in the illustrated embodiment, the first power terminal 1' comprises a plate-shaped body 10' suitable for mating with a power terminal (not shown) and a pair of first power terminal pins 11' connected to one end of the plate-shaped body 10', and the pair of first power terminal pins 11' are pressed into a corresponding pair of first jacks 31 on the circuit board 3. In the illustrated embodiment, the first power terminal pins 11' are in a fisheye shape.

[0042] like Figures 1 to 6As shown, in the illustrated embodiment, the first signal terminal 1" includes a needle-shaped body 10" suitable for mating with a matching signal terminal (not shown) and a first signal terminal pin 11" connected to one end of the needle-shaped body 10", and the first signal terminal pin 11" is pressed into the corresponding first socket 31 on the circuit board 3. In the illustrated embodiment, the first signal terminal pin 11" is in a fisheye shape.

[0043] like Figures 1 to 6 As shown, in the illustrated embodiment, the plurality of second terminals 2 include a plurality of second power terminals corresponding to the plurality of first power terminals 1' respectively and a plurality of second signal terminals corresponding to the plurality of first signal terminals 1", and the second power terminals and the second signal terminals are identical to each other.

[0044] like Figures 1 to 6 As shown, in the illustrated embodiment, a second pin 2a is formed on one end of the first extension portion 21 of the second terminal 2, and the second pin 2a is pressed into the second socket 32 ​​on the circuit board 3. The second extension portion 22 of the second terminal 2 is needle-shaped and extends a predetermined length along the second direction Z, and is used to be electrically connected to the client circuit board. In the illustrated embodiment, the second pin 2a is fisheye-shaped.

[0045] like Figures 1 to 6 As shown, in the illustrated embodiment, a plurality of engagement holes 30 are formed on the circuit board 3 , and the plurality of engagement holes 30 are suitable for engaging with a plurality of elastic buckles 42 on the housing 4 of the connector to fix the electrical connection assembly 100 to the housing 4 .

[0046] like Figures 1 to 6 As shown, in the illustrated embodiment, three engaging holes 30 are formed on the circuit board 3, and the center lines of the three engaging holes 30 form a triangle.

[0047] like Figures 1 to 6 As shown, in another exemplary embodiment of the utility model, a connector is also disclosed. The connector includes: a housing 4 and the aforementioned electrical connection assembly 100. The housing 4 has a front opening and a rear side wall 40 that are opposite in a first direction (i.e., the longitudinal direction of the housing 4) Y, and a top wall and a bottom wall that are opposite in a second direction (i.e., the height direction of the housing 4) Z. The circuit board 3 of the electrical connection assembly 100 is fixed to the outer side of the rear side wall 40 of the housing 4. A slot 4a corresponding to the first terminal 1 is formed on the rear side wall 40 of the housing 4, and the first terminal 1 of the electrical connection assembly is inserted into the housing 4 via the slot 4a to mate with the mating terminal of the mating connector inserted into the housing 4.

[0048] like Figures 1 to 6As shown, in the illustrated embodiment, a plurality of support protrusions 41 are formed on the outer side of the rear side wall 40 of the housing 4, and the plurality of support protrusions 41 have flat support surfaces. The support surfaces of the plurality of support protrusions 41 are located in the same plane, and the circuit board 3 is supported on the support surfaces of the plurality of support protrusions 41.

[0049] like Figures 1 to 6 As shown, in the illustrated embodiment, the slot 4a is formed on the supporting protrusion 41, the supporting protrusion 41 is strip-shaped and extends along the second direction Z and / or the third direction X, and the third direction X is perpendicular to the first direction Y and the second direction Z.

[0050] like Figures 1 to 6 As shown, in the illustrated embodiment, a plurality of elastic buckles 42 are formed on the outer side of the rear side wall 40 of the shell 4, and the plurality of elastic buckles 42 are respectively engaged in a plurality of engaging holes 30 on the circuit board 3 to fix the circuit board 3 to the rear side wall 40 of the shell 4.

[0051] like Figures 1 to 6 As shown, in the illustrated embodiment, the elastic buckle 42 includes an elastic arm 42a and a protrusion 42b formed on the end of the elastic arm 42a, the elastic arm 42a is inserted into the engaging hole 30 from the front side of the circuit board 3, and the protrusion 42b abuts against the edge of the opening of the engaging hole 30 located on the back side of the circuit board 3.

[0052] like Figures 1 to 6 As shown, in the illustrated embodiment, the second extension portion 22 of the second terminal 2 extends beyond the bottom wall of the housing 4 along the second direction Z for electrical connection to a client circuit board (not shown).

[0053] like Figures 1 to 6 As shown, in the illustrated embodiment, the connector further includes a third terminal 5, and the third terminal 5 includes: a horizontal extension portion 51 and a vertical extension portion 52. The horizontal extension portion 51 of the third terminal 5 extends along the first direction Y and extends from the rear side wall 40 of the housing 4 into the housing 4. The vertical extension portion 52 of the third terminal 5 is located outside the housing 4 and extends beyond the bottom wall of the housing 4 along the second direction Z, for being electrically connected to the client circuit board.

[0054] like Figures 1 to 6 As shown, in the illustrated embodiment, the connector includes a plurality of third terminals 5, the horizontal extension portions 51 of the plurality of third terminals 5 are located below the first extension portions 21 of the plurality of second terminals 2, and the vertical extension portions 52 of the plurality of third terminals 5 are closer to the rear side wall 40 of the shell 4 than the second extension portions 22 of the plurality of second terminals 2.

[0055] like Figures 1 to 6As shown, in the illustrated embodiment, the connector further comprises a terminal retaining plate 6, which is mounted on the bottom of the housing 4 and is used to retain the second extension portion 22 of the second terminal 2 and the vertical extension portion 52 of the third terminal 5. A plurality of positioning holes 62 are formed on the terminal retaining plate 6, through which the second extension portion 22 of the second terminal 2 and the vertical extension portion 52 of the third terminal 5 are respectively passed.

[0056] like Figures 1 to 6 As shown, in the illustrated embodiment, a plurality of elastic locks 63 are formed on the terminal retaining plate 6, and a plurality of locking holes 43 are formed on the bottom of the shell 4, and the plurality of elastic locks 63 are respectively engaged in the plurality of locking holes 43 to fix the terminal retaining plate 6 to the bottom of the shell 4.

[0057] like Figures 1 to 6 As shown, in another exemplary embodiment of the utility model, a connector assembly is also disclosed. The connector assembly includes: a connector and a mating connector (not shown). The mating connector is inserted into the front opening of the housing 4 of the connector. The mating terminals (not shown) of the mating connector are mated with the first terminals 1 and the third terminals 5 of the connector.

[0058] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.

[0059] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.

[0060] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.

[0061] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.

Claims

1. An electrical connection assembly, characterized in that: include: A circuit board (3) having a first insertion hole (31) and a second insertion hole (32) and having a front side and a back side opposite to each other in a thickness direction thereof; A first terminal (1), extending along a first direction (Y) perpendicular to the circuit board (3) and having one end pressed into the first plug hole (31) from the front side of the circuit board (3); and The second terminal (2) comprises: A first extension portion (21) extending along the first direction (Y) and having one end pressed into the second insertion hole (32) from the back side of the circuit board (3); and a second extension portion (22), connected to the other end of the first extension portion (21) and extending along a second direction (Z) perpendicular to the first direction (Y), The first terminal (1) is electrically connected to the second terminal (2) via a conductive trace formed on the circuit board (3).

2. The electrical connection assembly according to claim 1, characterized in that: The electrical connection assembly comprises a plurality of first terminals (1) and a plurality of second terminals (2), wherein the plurality of first terminals (1) are respectively electrically connected to the plurality of second terminals (2) via conductive traces on the circuit board (3).

3. The electrical connection assembly according to claim 2, characterized in that: The plurality of first terminals (1) include a plurality of first power terminals (1') for transmitting current and a plurality of first signal terminals (1") for transmitting signals, and the first power terminals (1') and the first signal terminals (1") have different shapes and sizes.

4. The electrical connection assembly according to claim 3, characterized in that: The first power terminal (1') comprises a plate-shaped body (10') suitable for mating with the power terminal and a pair of first power terminal pins (11') connected to one end of the plate-shaped body (10'); the pair of first power terminal pins (11') are pressed into a corresponding pair of first sockets (31) on the circuit board (3).

5. The electrical connection assembly according to claim 3, characterized in that: The first signal terminal (1") comprises a needle-shaped body (10") suitable for mating with a matching signal terminal and a first signal terminal pin (11") connected to one end of the needle-shaped body (10"), and the first signal terminal pin (11") is pressed into a corresponding first socket (31) on the circuit board (3).

6. The electrical connection assembly according to claim 3, characterized in that: The plurality of second terminals (2) include a plurality of second power terminals respectively corresponding to the plurality of first power terminals (1') and a plurality of second signal terminals respectively corresponding to the plurality of first signal terminals (1"), and the second power terminals and the second signal terminals are identical to each other.

7. The electrical connection assembly according to claim 6, characterized in that: A second plug pin (2a) is formed on one end of the first extension portion (21) of the second terminal (2), and the second plug pin (2a) is pressed into a second plug hole (32) on the circuit board (3); The second extension portion (22) of the second terminal (2) is needle-shaped and extends a predetermined length along the second direction (Z), and is used for being electrically connected to a client circuit board.

8. The electrical connection assembly according to any one of claims 1 to 7, characterized in that: A plurality of engaging holes (30) are formed on the circuit board (3), and the plurality of engaging holes (30) are suitable for engaging with a plurality of elastic buckles (42) on a housing (4) of a connector to fix the electrical connection assembly (100) to the housing (4).

9. The electrical connection assembly according to claim 8, characterized in that: Three engaging holes (30) are formed on the circuit board (3), and a center line connecting the three engaging holes (30) forms a triangle.

10. A connector, characterized in that: include: A housing (4) having a front opening and a rear side wall (40) opposite to each other in a first direction (Y) and a top wall and a bottom wall opposite to each other in a second direction (Z); and The electrical connection assembly (100) according to any one of claims 1 to 9, wherein the circuit board (3) is fixed to the outer side of the rear side wall (40) of the housing (4). A slot (4a) corresponding to the first terminal (1) is formed on the rear side wall (40) of the shell (4), and the first terminal (1) of the electrical connection assembly is inserted into the shell (4) via the slot (4a) to mate with a mating terminal of a mating connector inserted into the shell (4).

11. The connector according to claim 10, characterized in that: A plurality of supporting protrusions (41) are formed on the outer side of the rear side wall (40) of the housing (4), and the plurality of supporting protrusions (41) have flat supporting surfaces; The supporting surfaces of the multiple supporting protrusions (41) are located in the same plane, and the circuit board (3) is supported on the supporting surfaces of the multiple supporting protrusions (41).

12. The connector according to claim 11, characterized in that: The slot (4a) is formed on the supporting protrusion (41); the supporting protrusion (41) is strip-shaped and extends along the second direction (Z) and / or the third direction (X); the third direction (X) is perpendicular to the first direction (Y) and the second direction (Z).

13. The connector according to claim 10, characterized in that: A plurality of elastic buckles (42) are formed on the outer side of the rear side wall (40) of the housing (4), and the plurality of elastic buckles (42) are respectively engaged in a plurality of engaging holes (30) on the circuit board (3) to fix the circuit board (3) to the rear side wall (40) of the housing (4).

14. The connector according to claim 13, characterized in that: The elastic buckle (42) comprises an elastic arm (42a) and a protrusion (42b) formed on the end of the elastic arm (42a), wherein the elastic arm (42a) is inserted into the engaging hole (30) from the front side of the circuit board (3), and the protrusion (42b) abuts against the edge of the opening of the engaging hole (30) located on the back side of the circuit board (3).

15. The connector according to claim 10, characterized in that: The second extension portion (22) of the second terminal (2) extends beyond the bottom wall of the housing (4) along the second direction (Z) and is used for being electrically connected to a client circuit board.

16. The connector according to claim 15, characterized in that Also includes: The third terminal (5) comprises: a horizontally extending portion (51) extending along the first direction (Y) and extending from the rear side wall (40) of the housing (4) into the housing (4); and The vertical extension portion (52) is located outside the housing (4) and extends beyond the bottom wall of the housing (4) along the second direction (Z), and is used for being electrically connected to a client circuit board.

17. The connector according to claim 16, characterized in that: The connector comprises a plurality of third terminals (5), wherein the horizontal extension portions (51) of the plurality of third terminals (5) are located below the first extension portions (21) of the plurality of second terminals (2), and the vertical extension portions (52) of the plurality of third terminals (5) are closer to the rear side wall (40) of the housing (4) than the second extension portions (22) of the plurality of second terminals (2).

18. The connector according to claim 17, characterized in that: Also includes: a terminal holding plate (6) mounted on the bottom of the housing (4) for holding the second extension (22) of the second terminal (2) and the vertical extension (52) of the third terminal (5), A plurality of positioning holes (62) are formed on the terminal retaining plate (6) to allow the second extension portion (22) of the second terminal (2) and the vertical extension portion (52) of the third terminal (5) to pass through respectively.

19. The connector according to claim 18, characterized in that: A plurality of elastic lock buckles (63) are formed on the terminal retaining plate (6), and a plurality of locking holes (43) are formed on the bottom of the housing (4). The plurality of elastic lock buckles (63) are respectively engaged in the plurality of locking holes (43) to fix the terminal retaining plate (6) to the bottom of the housing (4).

20. A connector assembly, characterized in that: include: The connector according to any one of claims 10 to 19; and A mating connector is inserted into the front opening of the housing (4) of the connector, The mating terminal of the mating connector is mated with the first terminal (1) of the connector.

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