Electrical connection assembly, connector, and connector assembly

Abstract

To provide an electrical connection assembly capable of reducing the difficulty, time and cost of assembly and reducing the volume of a product.SOLUTION: The electrical connection assembly includes a circuit board and first and second terminals with first and second receptacles formed in the circuit board. The first terminal extends in a first direction perpendicular to the circuit board and has one end press-fitted into the first receptacle from a surface of the circuit board. The second terminal includes a first extending portion extending in the first direction and having one end press-fitted into the second receptacle from the back surface of the circuit board, and a second extending portion coupled to the other end of the first extending portion and extending in 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. Since the lengths of the first and second terminals are shortened, the press-fitting of the circuit board into the receptacle is facilitated, and the product volume can also be reduced.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of Chinese Patent Application No. CN202410913823.7, filed with the State Intellectual Property Office of China on July 8, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to an electrical connection assembly including a connector of the electrical connection assembly and a mating connector of the connector. [Background technology]

[0003] In the prior art, high-speed data connectors with right-angle connections (90-degree connections) typically include a housing and terminals that are bent at 90 degrees. The terminals include a horizontal extension and a vertical extension. The horizontal extension of the terminals is fixed to the housing to mate with mating terminals of an inserted mating connector. The vertical extension of the terminals extends downward beyond the underside of the housing for soldering to a client circuit board. Such existing terminals have long lengths, occupy a lot of space, are easily deformed, and are difficult to manufacture and assemble. Summary of the Invention [Problem to be solved by the invention]

[0004] SUMMARY OF THE INVENTION The present invention is directed to overcoming or alleviating at least one aspect of the above-mentioned disadvantages. [Means for solving the problem]

[0005] According to one aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes a circuit board, a first terminal, and a second terminal. The circuit board has a first receptacle and a second receptacle formed thereon, and the circuit board has a front surface (front surface) and a back surface that are opposite in a thickness direction of the circuit board. The first terminal extends in a first direction perpendicular to the circuit board, and one end is press-fitted into the first receptacle from the front surface of the circuit board. The second terminal includes a first extension portion that extends in the first direction and has one end press-fitted into the second receptacle from the back surface of the circuit board, and a second extension portion that is connected to the other end of the first extension portion and extends in 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.

[0006] According to an exemplary embodiment of the present invention, an electrical connection assembly includes a plurality of first terminals and a plurality of second terminals, the plurality of first terminals being electrically connected to the plurality of second terminals respectively via a plurality of conductive traces of a circuit board.

[0007] According to another exemplary embodiment of the present invention, the plurality of first terminals include a plurality of first power supply terminals for transmitting current and a plurality of first signal terminals for transmitting signals, and the first power supply terminals have different shapes and sizes from the first signal terminals.

[0008] According to another exemplary embodiment of the present invention, the first power supply terminal includes a plate-like body adapted to mate with a mating power supply terminal, and a pair of first power supply terminal pins coupled to one end of the plate-like body, the pair of first power supply terminal pins being press-fit into a corresponding pair of first receptacles on a circuit board.

[0009] According to another exemplary embodiment of the present invention, the first signal terminal includes a needle-shaped body adapted to mate with a mating signal terminal and a first signal terminal pin coupled to one end of the needle-shaped body, the first signal terminal pin being press-fit into a corresponding first receptacle on the circuit board.

[0010] According to another exemplary embodiment of the present invention, the plurality of second terminals include a plurality of second power supply terminals respectively corresponding to the plurality of first power supply terminals and a plurality of second signal terminals respectively corresponding to the plurality of first signal terminals, and the second power supply terminals and the second signal terminals are identical to each other.

[0011] According to another exemplary embodiment of the present invention, a second pin is formed at one end of the first extension portion of the second terminal, and the second pin is press-fit into the second receptacle of the circuit board. The second extension portion of the second terminal is needle-shaped and extends a predetermined length in the second direction to electrically connect to the client circuit board.

[0012] According to another exemplary embodiment of the present invention, a plurality of engagement holes are formed in the circuit board, the plurality of engagement holes being adapted to engage with a plurality of resilient latches on the housing to secure the electrical connection assembly to the housing of the connector.

[0013] According to another exemplary embodiment of the present invention, three engagement holes are formed in the circuit board, and lines connecting the centers of the three engagement holes form a triangle.

[0014] According to another aspect of the present invention, there is provided a connector including a housing having a front opening and a rear wall on opposite sides in a first direction and upper and lower walls on opposite sides in a second direction, and the electrical connection assembly described above, wherein a circuit board of the electrical connection assembly is fixed to the outside of the rear wall of the housing. Slotted holes corresponding to first terminals are formed in the rear wall of the housing, and the first terminals of the electrical connection assembly are inserted into the housing through the slotted holes to mate with mating terminals of a mating connector inserted into the housing.

[0015] According to an exemplary embodiment of the present invention, a plurality of support protrusions are formed on the outer side of the rear sidewall of the housing, each of the support protrusions having a flat support surface, the support surfaces of the support protrusions being located in the same plane, and the circuit board being supported by the support surfaces of the support protrusions.

[0016] According to another exemplary embodiment of the present invention, the slot holes are formed in the support protrusion, which is strip-shaped and extends in a second direction and / or a third direction, the third direction being perpendicular to the first direction and the second direction.

[0017] According to another exemplary embodiment of the present invention, a plurality of resilient latches are formed on the outer side of the rear wall of the housing, and the plurality of resilient latches are respectively engaged with a plurality of engaging holes of the circuit board to fix the circuit board to the rear wall of the housing.

[0018] According to another exemplary embodiment of the present invention, the elastic latch includes an elastic arm and a protrusion formed at the end of the elastic arm, the elastic arm is inserted into the engagement hole from the front surface of the circuit board, and the protrusion abuts the edge of the opening of the engagement hole located on the back surface of the circuit board.

[0019] According to another exemplary embodiment of the present invention, a second extension of the second terminal extends in a second direction beyond the bottom wall of the housing for electrically connecting to a client circuit board.

[0020] According to another exemplary embodiment of the present invention, the connector further includes a third terminal, the third terminal including a horizontal extension portion extending in a first direction and extending from the rear side wall of the housing into the housing, and a vertical extension portion located outside the housing and extending in a second direction beyond the bottom wall of the housing for electrically connecting to a client circuit board.

[0021] According to another exemplary embodiment of the present invention, the connector includes a plurality of third terminals, the horizontally extending portions of the plurality of third terminals being located below the first extending portions of the plurality of second terminals, and the vertically extending portions of the plurality of third terminals being closer to the rear wall of the housing than the second extending portions of the plurality of second terminals.

[0022] According to another exemplary embodiment of the present invention, the connector further includes a terminal holding plate attached to the lower part of the housing for holding the second extension portion of the second terminal and the vertical extension portion of the third terminal, and the terminal holding plate is formed with a plurality of positioning holes through which the second extension portion of the second terminal and the vertical extension portion of the third terminal pass, respectively.

[0023] According to another exemplary embodiment of the present invention, a plurality of resilient latches are formed on the terminal holding plate, and a plurality of locking holes are formed on the lower part of the housing, and the plurality of resilient latches are engaged with the plurality of locking holes respectively to fix the terminal holding plate to the lower part of the housing.

[0024] According to another aspect of the present invention, there is provided a connector assembly including the above-described connector and a mating connector inserted into the front opening of the housing of the connector, with mating terminals of the mating connector mating with the first terminals of the connector.

[0025] In the various exemplary embodiments according to the present invention, the first terminal and the second terminal have relatively short lengths, which facilitates press-fitting into the receptacle of the circuit board, reducing the difficulty, time, and cost of assembly. Additionally, the present invention can significantly reduce the volume of the product by connecting the first terminal and the second terminal through the circuit board.

[0026] The above and other features of the present invention will become more apparent from the detailed description of illustrative embodiments of the invention, taken in conjunction with the accompanying drawings. [Brief explanation of the drawings]

[0027] [Figure 1] 1 is an exemplary perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention. [Figure 2] 1 is an exemplary exploded view of an electrical connection assembly according to an exemplary embodiment of the present invention. [Figure 3] 1 is an exemplary exploded view of a connector according to an exemplary embodiment of the present invention, with the electrical connection assembly not yet assembled to the housing of the connector. [Figure 4] 1 is an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, with an electrical connection assembly assembled to a housing of the connector. [Figure 5] 1 is an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, in which the terminal retaining plate has not yet been assembled to the housing of the connector. [Figure 6] 1 is an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, with a terminal retaining plate assembled to a housing of the connector; DETAILED DESCRIPTION OF THE INVENTION

[0028]

[0030] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings, in which like reference numerals refer to like elements. However, the present disclosure may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0029] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are diagrammatically shown to simplify the drawings.

[0030] According to a general aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes a circuit board, a first terminal, and a second terminal. The circuit board has a first receptacle and a second receptacle formed thereon, and the circuit board has a front surface (front surface) and a back surface that are opposite in a thickness direction of the circuit board. The first terminal extends in a first direction perpendicular to the circuit board, and one end is press-fitted into the first receptacle from the front surface of the circuit board. The second terminal includes a first extension portion that extends in the first direction and has one end press-fitted into the second receptacle from the back surface of the circuit board, and a second extension portion that is connected to the other end of the first extension portion and extends in 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.

[0031] According to another general aspect of the present invention, there is provided a connector including a housing having a front opening and a rear wall on opposite sides in a first direction and top and bottom walls on opposite sides in a second direction, and the electrical connection assembly described above, wherein a circuit board of the electrical connection assembly is fixed to the outside of the rear wall of the housing. Slotted holes corresponding to first terminals are formed in the rear wall of the housing, and the first terminals of the electrical connection assembly are inserted into the housing through the slotted holes to mate with mating terminals of a mating connector inserted into the housing.

[0032] According to another general aspect of the present invention, there is provided a connector assembly including the connector described above and a mating connector inserted into the front opening of the connector housing, with mating terminals of the mating connector mating with the first terminals of the connector.

[0033] FIG. 1 shows an exemplary perspective view of an electrical connection assembly 100 according to an exemplary embodiment of the present invention. FIG. 2 shows an exemplary exploded view of the electrical connection assembly 100 according to an exemplary embodiment of the present invention. FIG. 3 shows an exemplary exploded view of a connector according to an exemplary embodiment of the present invention, where the electrical connection assembly 100 has not yet been assembled into the connector housing 4. FIG. 4 shows an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, where the electrical connection assembly 100 has been assembled into the connector housing 4. FIG. 5 shows an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, where the terminal retaining plate 6 has not yet been assembled into the connector housing 4. FIG. 6 shows an exemplary perspective view of a connector according to an exemplary embodiment of the present invention, where the terminal retaining plate 6 has been assembled into the connector housing 4.

[0034] As shown in FIGS. 1 to 6 , an exemplary embodiment of the present invention discloses an electrical connection assembly 100. The electrical connection assembly 100 includes a circuit board 3, a first terminal 1, and a second terminal 2. A first receptacle 31 and a second receptacle 32 are formed on the circuit board 3, and the circuit board 3 has a front surface (front face) and a back surface that are opposite in the thickness direction of the circuit board 3. The first terminal 1 extends in a first direction Y perpendicular to the circuit board 3, and one end is press-fitted into the first receptacle 31 from the front surface 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 in the first direction Y, and one end is press-fitted into the second receptacle 32 from the back surface of the circuit board 3. The second extension portion 22 is connected to the other end of the first extension portion 21 and extends in 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.

[0035] As shown in Figures 1 to 6, 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 respectively via a plurality of conductive traces of a circuit board 3.

[0036] As shown in FIGS. 1 to 6, in the illustrated embodiment, the plurality of first terminals 1 include a plurality of first power supply terminals 1′ for transmitting current and a plurality of first signal terminals 1″ for transmitting signals, and the shape and size of the first power supply terminals 1′ are different from the shape and size of the first signal terminals 1″.

[0037] 1 to 6, in the illustrated embodiment, the first power supply terminal 1' includes a plate-shaped body 10' adapted to mate with a mating power supply terminal (not shown), and a pair of first power supply terminal pins 11' coupled to one end of the plate-shaped body 10', and the pair of first power supply terminal pins 11' are press-fit into a corresponding pair of first receptacles 31 of the circuit board 3. In the illustrated embodiment, the first power supply terminal pins 11' have a fish-eye shape.

[0038] As shown in Figures 1 to 6, in the illustrated embodiment, the first signal terminal 1" includes a needle-shaped body 10" adapted to mate with a mating signal terminal (not shown) and a first signal terminal pin 11" coupled to one end of the needle-shaped body 10", and the first signal terminal pin 11" is press-fit into a corresponding first receptacle 31 of the circuit board 3. In the illustrated embodiment, the first signal terminal pin 11" has a fish-eye shape.

[0039] As shown in FIGS. 1 to 6, in the illustrated embodiment, the plurality of second terminals 2 include a plurality of second power supply terminals corresponding respectively to the plurality of first power supply terminals 1′ and a plurality of second signal terminals corresponding respectively to the plurality of first signal terminals 1″, and the second power supply terminals and the second signal terminals are identical to each other.

[0040] 1 to 6, in the illustrated embodiment, a second pin 2a is formed on one end of a first extension portion 21 of the second terminal 2, and the second pin 2a is press-fit into a second receptacle 32 of the circuit board 3. The second extension portion 22 of the second terminal 2 is needle-shaped and extends a predetermined length in the second direction Z for electrical connection to a client circuit board. In the illustrated embodiment, the second pin 2a is fish-eye-shaped.

[0041] As shown in Figures 1 to 6, in the illustrated embodiment, a plurality of engagement holes 30 are formed in the circuit board 3, and the plurality of engagement holes 30 are adapted to engage with a plurality of resilient latches 42 on the housing 4 of the connector to secure the electrical connection assembly 100 to the housing 4.

[0042] As shown in FIGS. 1 to 6, in the illustrated embodiment, three engagement holes 30 are formed in the circuit board 3, and the lines connecting the centers of the three engagement holes 30 form a triangle.

[0043] 1 to 6 , a connector is further disclosed in another exemplary embodiment of the present invention. The connector includes a housing 4 and the above-described electrical connection assembly 100. The housing 4 has a front opening and a rear wall 40 on opposite sides in a first direction (i.e., the longitudinal direction of the housing 4) Y, and an upper wall and a lower wall on opposite sides in a second direction (i.e., the height direction of the housing 4) Z. A circuit board 3 of the electrical connection assembly 100 is fixed to the outside of the rear wall 40 of the housing 4. A slot hole 4a corresponding to the first terminal 1 is formed in the rear wall 40 of the housing 4, and the first terminal 1 of the electrical connection assembly 100 is inserted into the housing 4 through the slot hole 4a to mate with a mating terminal of a mating connector inserted into the housing 4.

[0044] 1 to 6, 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 each of the plurality of support protrusions 41 has a flat support surface. The support surfaces of the plurality of support protrusions 41 are located in the same plane, and the circuit board 3 is supported by the support surfaces of the plurality of support protrusions 41.

[0045] As shown in FIGS. 1 to 6, in the illustrated embodiment, the slot holes 4a are formed in the support protrusion 41, which is strip-shaped and extends in the second direction Z and / or the third direction X, where the third direction X is perpendicular to the first direction Y and the second direction Z.

[0046] As shown in Figures 1 to 6, in the illustrated embodiment, a plurality of elastic latches 42 are formed on the outside of the rear wall 40 of the housing 4, and the plurality of elastic latches 42 are respectively engaged with a plurality of engagement holes 30 of the circuit board 3 to fix the circuit board 3 to the rear wall 40 of the housing 4.

[0047] As shown in Figures 1 to 6, in the illustrated embodiment, the elastic latch 42 includes an elastic arm 42a and a raised portion 42b formed at the end of the elastic arm 42a, and the elastic arm 42a is inserted into the engagement hole 30 from the front surface of the circuit board 3, and the raised portion 42b abuts against the edge of the opening of the engagement hole 30 located on the back surface of the circuit board 3.

[0048] As shown in Figures 1 to 6, in the illustrated embodiment, the second extension portion 22 of the second terminal 2 extends in the second direction Z beyond the bottom wall of the housing 4 for electrical connection to a client circuit board (not shown).

[0049] 1 to 6 , in the illustrated embodiment, the connector further includes a third terminal 5, which includes a horizontally extending portion 51 and a vertically extending portion 52. The horizontally extending portion 51 of the third terminal 5 extends in a first direction Y and extends from the rear side wall 40 of the housing 4 into the housing 4. The vertically extending portion 52 of the third terminal 5 is located outside the housing 4 and extends in a second direction Z beyond the bottom wall of the housing 4 for electrical connection to a client circuit board.

[0050] As shown in Figures 1 to 6, in the illustrated embodiment, the connector includes a plurality of third terminals 5, the horizontally extending portions 51 of the plurality of third terminals 5 are located below the first extending portions 21 of the plurality of second terminals 2, and the vertically extending portions 52 of the plurality of third terminals 5 are closer to the rear wall 40 of the housing 4 than the second extending portions 22 of the plurality of second terminals 2.

[0051] 1 to 6 , in the illustrated embodiment, the connector further includes a terminal holding plate 6 attached to the lower part of the housing 4 for holding the second extension portion 22 of the second terminal 2 and the vertical extension portion 52 of the third terminal 5. The terminal holding plate 6 is formed with a plurality of positioning holes 62 through which the second extension portion 22 of the second terminal 2 and the vertical extension portion 52 of the third terminal 5 pass, respectively.

[0052] As shown in Figures 1 to 6, in the illustrated embodiment, a plurality of elastic latches 63 are formed on the terminal holding plate 6, a plurality of locking holes 43 are formed on the lower part of the housing 4, and the plurality of elastic latches 63 are engaged with the plurality of locking holes 43 respectively to fix the terminal holding plate 6 to the lower part of the housing 4.

[0053] 1 to 6, another exemplary embodiment of the present invention further discloses a connection assembly. The connection assembly includes a connector and a mating connector (not shown). The mating connector is inserted into a front opening of a housing 4 of the connector. A mating terminal (not shown) of the mating connector mates with a first terminal 1 and a third terminal 5 of the connector.

[0054] It should be understood by those skilled in the art that the above embodiments are illustrative and not restrictive. For example, those skilled in the art can make many modifications to the above embodiments without any contradiction in structure or principle, and can freely combine various features described in different embodiments with each other.

[0055] While several exemplary embodiments have been shown and described, it will be apparent to those skilled in the art that various changes or modifications can be made to these embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the following claims and their equivalents.

[0056] As used herein, elements described in the singular and preceded by the word "a" or "an" should be understood as not excluding a plural of said elements or steps, unless such exclusion is expressly stated. Furthermore, references to "one embodiment" of the invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Furthermore, unless expressly stated otherwise, embodiments "comprising" or "having" an element or elements having a particular characteristic may include additional such elements that do not have that characteristic.

Claims

1. 1. An electrical connection assembly comprising: - a circuit board (3) on which a first receptacle (31) and a second receptacle (32) are formed, the circuit board (3) having a front surface and a back surface that are opposite in a thickness direction of the circuit board (3); - a first terminal (1), which extends in a first direction (Y) perpendicular to the circuit board (3), and one end of which is press-fitted into the first receptacle (31) from the surface of the circuit board (3); a second terminal (2), a first extension portion (21) extending in the first direction (Y) and having one end press-fitted into the second receptacle (32) from the back surface of the circuit board (3); a second extension portion (22) connected to the other end of the first extension portion (21) and extending in a second direction (Z) perpendicular to the first direction (Y); a second terminal (2) comprising: Equipped with An electrical connection assembly, wherein the first terminal (1) is electrically connected to the second terminal (2) via a conductive trace formed on the circuit board (3).

2. 2. The electrical connection assembly of claim 1, wherein the electrical connection assembly comprises a plurality of first terminals (1) and a plurality of second terminals (2), the plurality of first terminals (1) being electrically connected to the plurality of second terminals (2), respectively, via a plurality of conductive traces of the circuit board (3).

3. 3. The electrical connection assembly of claim 2, wherein the plurality of first terminals (1) comprises a plurality of first power supply terminals (1') for transmitting current and a plurality of first signal terminals (1") for transmitting signals, and the first power supply terminals (1') have different shapes and sizes from the first signal terminals (1")

4. 4. The electrical connection assembly according to claim 3, wherein the first power supply terminal (1') comprises a plate-like body (10') adapted to mate with a mating power supply terminal and a pair of first power supply terminal pins (11') connected to one end of the plate-like body (10'), and the pair of first power supply terminal pins (11') are press-fit into a corresponding pair of first receptacles (31) of the circuit board (3).

5. 4. The electrical connection assembly of claim 3, wherein the first signal terminal (1") comprises a needle-shaped body (10") adapted to mate with a mating signal terminal and a first signal terminal pin (11") coupled to one end of the needle-shaped body (10"), and the first signal terminal pin (11") is press-fit into a corresponding first receptacle (31) of the circuit board (3).

6. 4. The electrical connection assembly of claim 3, wherein the plurality of second terminals (2) comprises a plurality of second power supply terminals corresponding respectively to the plurality of first power supply terminals (1′) and a plurality of second signal terminals corresponding respectively to the plurality of first signal terminals (1″), and the second power supply terminals and the second signal terminals are identical to each other.

7. A second pin (2 a) is formed at one end of the first extension portion (21) of the second terminal (2), and the second pin (2 a) is press-fitted into the second receptacle (32) of the circuit board (3); 7. The electrical connection assembly of claim 6, wherein the second extension portion (22) of the second terminal (2) is needle-shaped and extends a predetermined length in the second direction (Z) for electrical connection to a client circuit board.

8. 8. The electrical connection assembly of claim 1, wherein a plurality of engagement holes (30) are formed in the circuit board (3), and the plurality of engagement holes (30) are adapted to engage with a plurality of resilient latches (42) of a connector housing (4) to secure the electrical connection assembly (100) to the housing (4).

9. 9. The electrical connection assembly of claim 8, wherein three engagement holes (30) are formed in the circuit board (3), and lines connecting the centers of the three engagement holes (30) form a triangle.

10. A connector, a housing (4) having a front opening and a rear wall (40) on opposite sides in a first direction (Y), and an upper wall and a lower wall on opposite sides in a second direction (Z); 10. The electrical connection assembly (100) according to any one of claims 1 to 9, wherein a circuit board (3) of the electrical connection assembly is fixed to the outside of the rear side wall (40) of the housing (4). Equipped with a slot hole (4a) corresponding to the first terminal (1) is formed in the rear wall (40) of the housing (4), and the first terminal (1) of the electrical connection assembly is inserted into the housing (4) through the slot hole (4a) to mate with a mating terminal of a mating connector inserted into the housing (4).

11. A plurality of support protrusions (41) are formed on the outer side of the rear side wall (40) of the housing (4), each of the plurality of support protrusions (41) having a flat support surface; 11. The connector according to claim 10, wherein the support surfaces of the plurality of support protrusions (41) are located in the same plane, and the circuit board (3) is supported by the support surfaces of the plurality of support protrusions (41).

12. 12. The connector of claim 11, wherein the slot holes (4a) are formed in the support protrusions (41), the support protrusions (41) are strip-shaped and extend in 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).

13. 11. The connector of claim 10, wherein a plurality of elastic latches (42) are formed on the outer side of the rear wall (40) of the housing (4), and the plurality of elastic latches (42) are respectively engaged with a plurality of engagement holes (30) of the circuit board (3) to fix the circuit board (3) to the rear wall (40) of the housing (4).

14. 14. The connector of claim 13, wherein the elastic latch (42) comprises an elastic arm (42a) and a protrusion (42b) formed at the end of the elastic arm (42a), the elastic arm (42a) is inserted into the engagement hole (30) from the front surface of the circuit board (3), and the protrusion (42b) abuts against the edge of the opening of the engagement hole (30) located on the back surface of the circuit board (3).

15. 11. The connector of claim 10, wherein a second extension portion (22) of the second terminal (2) extends in the second direction (Z) beyond the bottom wall of the housing (4) for electrical connection to a client circuit board.

16. The device further includes a third terminal (5), which includes: a horizontal extension (51) extending in the first direction (Y) and extending from the rear wall (40) of the housing (4) into the housing (4); 16. The connector of claim 15, further comprising: a vertically extending portion (52) located outside the housing (4) and extending in the second direction (Z) beyond the bottom wall of the housing (4) for electrically connecting to the client circuit board.

17. 17. The connector of claim 16, wherein the connector comprises a plurality of third terminals (5), the horizontally extending portions (51) of the plurality of third terminals (5) being located below the first extending portions (21) of the plurality of second terminals (2), and the vertically extending portions (52) of the plurality of third terminals (5) being closer to the rear wall (40) of the housing (4) than the second extending portions (22) of the plurality of second terminals (2).

18. The connector further includes a terminal holding plate (6) attached to a lower portion of the housing (4) for holding the second extension portion (22) of the second terminal (2) and the vertical extension portion (52) of the third terminal (5); 18. The connector of claim 17, wherein the terminal holding plate (6) has a plurality of positioning holes (62) formed therein through which the second extension portion (22) of the second terminal (2) and the vertical extension portion (52) of the third terminal (5) pass, respectively.

19. 19. The connector of claim 18, wherein a plurality of elastic latches (63) are formed in the terminal holding plate (6), a plurality of locking holes (43) are formed in the lower part of the housing (4), and the plurality of elastic latches (63) are engaged with the plurality of locking holes (43), respectively, to fix the terminal holding plate (6) to the lower part of the housing (4).

20. 1. A connector assembly comprising: A connector according to any one of claims 10 to 19; a mating connector inserted into the front opening of the housing (4) of the connector; Equipped with A connector assembly, wherein a mating terminal of the mating connector mates with the first terminal (1) of the connector.

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