CN222320607U - Male connector and connector assembly - Google Patents

Abstract

The utility model discloses a male connector and a connector assembly, the connector assembly includes a male receptacle connector and a female receptacle connector. The male socket connector comprises a male insulating base, a male socket conductive terminal and a male socket protective shell. The female seat connector comprises a female insulation base, a female seat conductive terminal and a female seat protective shell. The plug-in stability and the electrical connection reliability are enhanced by designing a plurality of buckling points at the contact part of the male seat connector and the female seat connector, the structural strength, the overcurrent area and the heat dissipation of the male seat protecting shell are enhanced by integrally connecting the end wall protecting part of the male seat protecting shell with the bottom of the side wall protecting part through the connecting plate, the male seat protecting shell is designed by adopting a fully-wrapped protecting structure and is integrally formed with a male seat power terminal, and the female seat protecting shell is designed by adopting a fully-wrapped protecting structure and is integrally formed with the cap part of the middle island structure, so that the assembly process is greatly simplified, the manufacturing cost is reduced, and the durability and the electromagnetic shielding performance of the connector are improved.

Description

Male socket connector and connector assembly

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a board-to-board connector.

Background

Board-to-Board (pcb) electrical connector assemblies are a common type of connection element in electronic products, and function to electrically connect two circuit boards. The socket connector is welded on one circuit board, while the male socket connector is welded on the other circuit board, and the socket connector and the male socket connector are respectively provided with a corresponding number of conductive terminals for transmitting electronic signals and electric power. Through grafting female seat and public seat, can realize the communication connection between two circuit boards.

However, there are some problems in the use process of the existing board-to-board connector, as shown in fig. 10, in the socket connector and the connector assembly with the publication number CN219843174U, in the existing board-to-board connector assembly, the end protecting part and the middle island protecting part are designed in a split type, and the metal protecting part of the male base connector and the end wall protecting part of the female base connector can only provide partial protection, so that the inner corner and the outer corner of the insulating base cannot be covered effectively, omnibearing protection cannot be provided, deformation risks exist after multiple plugging, covering gaps of the corners also cause poor electromagnetic shielding effect, and because the covering area is smaller, the overcurrent area and the radiating area are also smaller, larger current is difficult to conduct, in addition, the buckling points are also smaller, and two buckling points are arranged at the near two ends, so that the connection reliability and stability of the male base connector and the female base connector after being plugged with each other cannot be fully ensured.

Therefore, it is necessary to improve the existing connector female base to further improve the fitting stability, electromagnetic interference resistance, high current conducting capability, structural strength and service life of the board-to-board connector.

Disclosure of utility model

The utility model aims to provide a male connector and a connector assembly, which solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The male base connector comprises a male insulating base, a male base conductive terminal and a male base protective shell, wherein the male insulating base comprises a rectangular central slot positioned in the middle, a pair of opposite long side walls and a pair of opposite short side end walls, the male base conductive terminal comprises a male base signal terminal and a male base power terminal which are embedded in male base terminal slots in the middle of two long side walls, the male base protective shell comprises an end wall protective part coated above the short side end walls, a side wall protective part partially coated above the long side walls and integrally connected with the male base power terminal, and a connecting part coated on the inner bottom surface of the male insulating base and integrally connected with the end wall protective part.

Further, the end wall protecting portion includes an end wall top surface covering portion covering the short side end wall top surface, an end wall inner side surface covering portion covering the short side end wall inner side surface, and an end wall outer side surface covering portion covering the short side end wall outer side surface.

Further, the side wall protecting part is an extension of the end wall covering part in the long side wall direction, the side wall structure comprises a side wall top surface covering part partially covering the top surface of the long side wall, a side wall inner side surface covering part partially covering the inner side surface of the long side wall, a side wall outer side surface covering part partially covering the outer side surface of the long side wall, an inner angle covering part covering the inner angles of the short side end wall and the long side wall and an outer angle covering part covering the outer angles of the short side end wall and the long side wall.

The utility model further provides a connector assembly, a male seat connector and a female seat connector which is detachably and electrically connected with the male seat connector, wherein the female seat connector comprises a female insulation base, a female seat conductive terminal and a female seat protection shell, the female insulation base comprises a pair of oppositely arranged long-side structures, a pair of oppositely arranged short-side structures and a middle island structure matched with a central slot of the male insulation base, the female seat conductive terminal comprises a female seat signal terminal and a female seat power terminal which are embedded in a female seat terminal slot between the long-side structures and the middle island structure, the female seat protection shell comprises an end protection part covered on the end part of the female insulation base, a cap part covered on the end part of the middle island structure and a connecting fixing part which is positioned on the inner bottom surface of the female insulation base and used for connecting the end protection part and the middle island protection part into a whole.

Further, the end protection part comprises a top wall protection part which is fully covered on the top surface of the short side structure and partially covered on the top surface of the long side structure, an inner wall protection part which is fully covered on the inner side surface of the short side structure and partially covered on the inner side surface of the long side structure, an outer wall protection part which is fully covered on the outer side surface of the short side structure and partially covered on the outer side surface of the long side structure, an inner angle protection part which is covered on the inner angles of the short side structure and the long side structure, and an outer angle protection part which is covered on the outer angles of the short side structure and the long side structure.

Further, the connecting and fixing part is formed by extending the bottom edge of the outer wall protection part of the outer side face of the short side structure horizontally inwards and integrally connecting with the cap part, and elastic contact parts extending vertically upwards are arranged on two sides of the connecting and fixing part.

Further, the connecting and fixing part is formed by extending the bottom edge of the inner wall protection part of the inner side surface of the short side structure horizontally inwards and integrally connecting with the cap part, and the outer wall protection part of the outer side of the long side structure is provided with an elastic abutting part which is bent inwards and extends upwards.

Further, the inner side surface and the outer side surface of the male seat protecting shell are also provided with buckling grooves, and correspondingly, the inner wall of the end protecting part and the outer wall of the cover cap part are respectively and oppositely provided with a first buckling protrusion and a second buckling protrusion.

Further, the female seat power supply terminal is formed by integral bending, and comprises a fixing part embedded in the female seat terminal groove, a welding leg extending towards the outer side of the female insulation base, a first contact arm extending towards the inner side of the female insulation base and used for contacting with the lateral wall outer side surface covering part of the male seat protection shell, a second contact arm used for contacting with the male seat power supply terminal in the male seat protection shell, and a connecting arm used for connecting the first contact arm with the second contact arm, wherein the tail end of the second contact arm is formed by bending a contact head matched with a buckling groove on the inner side surface of the male seat protection shell, and a third buckling protrusion matched with the buckling groove on the outer side surface of the male seat protection shell is preset on the first contact arm.

Further, the male base conductive terminal and the male base protective shell are both made of metal materials and are fixed with the male insulating base in an insert molding mode, and the female base conductive terminal and the female base protective shell are both made of metal materials and are fixed with the male insulating base in an insert molding mode.

Compared with the prior art, the male connector and the connector assembly provided by the utility model have the beneficial technical effects that:

1. The male power terminal and the male protective shell are integrated, and the cap part of the island structure in the female connector and the female protective shell are integrated, so that the shell is not required to be assembled, and the assembly process and the cost are greatly saved.

2. The male seat protecting shell and the female seat protecting shell are all fully-wrapped seamless metal protecting pieces formed by adopting a stretching process, can provide omnibearing protection for the inner and outer corners of the insulating base, are less prone to deformation in the plugging process, are less prone to abrasion, are longer in service life, and are better in electromagnetic shielding performance.

3. The end wall protection part and the bottom of the side wall protection part of the male seat protection shell are integrally connected through the connecting plate, so that the structural strength of the male seat protection shell is enhanced, the overcurrent area of the connector is effectively increased, larger current can be obtained, and the heat dissipation performance is better.

4. The square contact parts of the male seat connector and the female seat connector are provided with a plurality of buckling points, so that the mechanical plugging stability and the electrical connection reliability are effectively enhanced.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. In the drawings:

fig. 1 is a schematic structural diagram of a connector assembly according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a connector assembly taken along line A-A according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a connector assembly taken along line B-B according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a male connector according to an embodiment of the present utility model;

fig. 5 is an exploded view of a male connector according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a female connector according to an embodiment of the present utility model;

FIG. 7 is an exploded view of a female connector according to an embodiment of the present utility model;

Fig. 8 is a schematic structural diagram of a male socket protection shell in a male socket connector according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a female socket protective housing in a female socket connector according to an embodiment of the present utility model;

Fig. 10 is a schematic structural diagram of an alternative embodiment of a female-seat protection shell in a female-seat connector according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1-male insulation base, 101-central slot, 102-long side wall, 103-short side end wall, 2-male signal terminal, 3-male power terminal, 4-male housing shell, 401-end wall top cover, 402-end wall inside cover, 403-end wall outside cover, 404-side wall top cover, 405-side wall inside cover, 406-side wall outside cover, 407-inside corner cover, 408-outside corner cover, 409-connecting plate, 410-snap-fit groove, 5-female insulation base, 501-mid-island structure, 502-long side structure, 503-short side structure, 504-pair-insertion groove, 6-female signal terminal, 7-female power terminal, 701-holding part, 702-soldering leg, 703-first contact arm, 704-second contact arm, 705-contact head, 706-connecting arm, 707-third snap-fit protrusion, 8-female housing shell, 801-top wall protection, 802-inside wall protection, 804-outside wall protection, 804-island protection, 803-inner corner protection, 805-protrusion, 803-protrusion, 813-protrusion, 811-protrusion, and flexible snap-fit protrusion, 811-elastic cap, protrusion, and flexible connection portion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, an embodiment of the present utility model provides a connector assembly including a male connector and a female connector detachably electrically connected to the male connector. Specific:

As shown in fig. 4 and 5, the male socket connector includes a male insulating base 1, a male socket conductive terminal and a male socket protective shell 4, where the male socket conductive terminal and the male socket protective shell 4 are made of metal materials, and are directly fixed with the male insulating base 1 by insert injection molding, so as to save assembly procedures and cost.

The male insulation base 1 is a basic part of a male base connector, and a main body of the male insulation base adopts a rectangular box body structural design, and comprises a rectangular central slot 101 positioned in the middle, a pair of oppositely arranged long side walls 102 and a pair of oppositely arranged short side end walls 103. As a mounting base for other components, it provides a physical support and serves as an electrical insulator that isolates the individual male conductive terminals so that they do not interfere with one another. The male socket conductive terminals are used as the electrical connection parts of the male socket connector and are made of elastic metal sheets, two groups of male socket conductive terminals are symmetrically embedded in the male socket terminal grooves in the middle of the two long side walls 102, and each group of male socket conductive terminals comprises a male socket signal terminal 2 group formed by a plurality of male socket signal terminals 2 which are arranged side by side at equal intervals and two male socket power supply terminals 3 positioned on two sides of the male socket signal terminal 2 group. The welding end of the male base conductive terminal penetrates through the bottom plate of the male insulation base 1 to be exposed out of the male insulation base 1 and is used for being connected with a circuit board to realize transmission of electric signals.

As shown in fig. 4 and 8, the male housing 4 is integrally formed by a stretching process, and includes an end wall protecting portion and a side wall protecting portion. The end wall protection part is covered above the short side end wall 103, and specifically includes an end wall top surface covering part 401 that covers the top surface of the short side end wall 103, an end wall inner side surface covering part 402 that covers the inner side surface of the short side end wall 103, and an end wall outer side surface covering part 403 that covers the outer side surface of the short side end wall 103. The side wall protection part is located at two ends of the end wall protection part and extends along the long side wall 102 towards the direction of the male socket conductive terminal, and is connected with the male socket power terminal 3 integrally while wrapping the long side wall 102 partially, and specifically comprises a side wall top surface covering part 404 partially covering the top surface of the long side wall 102, a side wall inner side surface covering part 405 partially covering the inner side surface of the long side wall 102, a side wall outer side surface covering part 406 partially covering the outer side surface of the long side wall 102 and connected with the male socket power terminal 3 integrally, an inner angle covering part 407 covering the inner angles of the short side end wall 103 and the long side wall 102, and an outer angle covering part 408 covering the outer angles of the short side end wall 103 and the long side wall 102. By adopting the full-cladding structural design, the overall structural strength of the connector is improved, the connector is more wear-resistant and has longer service life, and compared with the traditional stamping or bending process, the male seat protective shell 4 stretched and formed by the utility model has no gap at the corner, and has better electromagnetic shielding performance. And as a preferred embodiment, the inner bottom surface of the male insulation base 1 is further covered with a connecting plate 409, the connecting plate 409 integrally connects the end wall protecting part and the bottom of the side wall protecting part, which effectively increases the overcurrent area of the connector, not only can overcurrent more, but also has better heat dissipation.

As shown in fig. 6 and 7, the female socket connector includes a female insulating base 5, a female socket conductive terminal, and a female socket protective housing 8. The female seat conductive terminal and the female seat protective housing 8 are all made of metal materials, and likewise, the female seat conductive terminal and the female seat protective housing 8 are directly molded and fixed with the female insulating base 5 by adopting an insert injection molding mode.

As shown in fig. 6 and 7, the female insulating base 5 is a basic part of a female connector, and its main body is designed in a rectangular box body structure, which is used as a mounting base for other components, and provides a physical support, and plays a role of electrical insulation, and can isolate the conductive terminals of each female base so that the conductive terminals of each female base do not interfere with each other. The female insulation base 5 comprises a pair of oppositely arranged long side structures 502, a pair of oppositely arranged short side structures 503 and an upward protruding middle island structure 501 integrally arranged in the middle of the bottom plate of the insulation base, the middle island structure 501 is matched with the central slot 101 of the male insulation base 1 in size, and the middle island structure 501 is separated from the long side structures 502 and the short side structures 503 by a certain distance to form a reverse-shaped opposite slot 504 for opposite insertion with the male connector.

The female seat conductive terminal comprises a plurality of female seat signal terminals 6 and female seat power supply terminals 7, wherein the female seat signal terminals 6 are arranged in a plurality of female seat terminal grooves between the long-side structure 502 and the middle island structure 501 at intervals side by side to form a female seat signal terminal 6 group, and the female seat power supply terminals 7 are positioned on two sides of the female seat signal terminal 6 group. The female seat conductive terminal is also made of an elastic metal sheet, one end of the female seat conductive terminal can form close contact with the male seat conductive terminal through elastic force generated by elastic deformation when the male seat connector is inserted into the female seat connector as a main working part of the connector, the electric connection function is completed, and the welding end of the female seat conductive terminal penetrates through the bottom plate of the female insulation base 5 to be exposed out of the female insulation base 5 and is used for connecting a circuit board, so that electric signal transmission is realized.

As shown in fig. 6 and 9, the female protective case 8 is an integral member formed by stretching and bending a metal plate, and includes an end portion protection portion and a center island protection portion. The end protection part is coated above the end of the female insulation base 5, and is used for reinforcing the structural strength of the insulation base 1 and preventing the connector from being damaged when being impacted by external force. The end protection part comprises a top wall protection part 801 which is fully covered on the top surface of the short side structure 503 and partially covered on the top surface of the long side structure 502, an inner wall protection part 802 which is fully covered on the inner side surface of the short side structure 503 and partially covered on the inner side surface of the long side structure 502, an outer wall protection part 803 which is fully covered on the outer side surface of the short side structure 503 and partially covered on the outer side surface of the long side structure 502, an inner angle protection part 804 which is covered on the inner angles of the short side structure 503 and the long side structure 502, and an outer angle protection part 805 which is covered on the outer angles of the short side structure 503 and the long side structure 502. Through adopting this kind of full package design that all covers inside and outside turning, can make the mechanical strength of female insulating base 5 is higher, and the grafting makes difficult wearing and tearing deformation, reduces the wearing and tearing of connector assembly at plug in-process connector, improves female seat connector's life, can also improve connector assembly's electromagnetic shield performance with the cooperation of the public seat protective housing 4 on the public seat connector simultaneously.

The middle island protection part comprises a cap part 806 and a connecting and fixing part 809, wherein the cap part 806 is fully coated at the end part of the middle island structure 501 so as to protect the end part of the middle island structure 501. The connection fixing portion 809 is located at the inner bottom surface of the female insulating base 5, and connects the end protecting portion and the middle island protecting portion into a whole, so that the assembly process is further simplified, meanwhile, the structural strength of the female base protecting shell 8 is effectively improved, and the overcurrent area of the connector is increased. As shown in fig. 9, in this embodiment, the connection fixing portion 809 is formed by extending the bottom edge of the outer wall protecting portion 803 on the outer side surface of the short-side structure 503 horizontally and inwardly, and integrally connected to the cap portion 806, so that the end protecting portion and the middle island protecting portion are integrally formed while simplifying the assembly process. The two sides of the connection fixing portion 809 are provided with elastic contact portions 810 extending vertically upwards, so as to electrically contact with the side wall protection portions of the male socket protection shell 4.

It should be noted that, as shown in fig. 10, as an alternative, the connecting piece 813 (i.e. corresponding to the connecting fixing portion 809 in the first embodiment) may be an extension of the bottom edge of the inner wall protecting portion 802 on the inner side of the short side structure 503 horizontally and inwardly, and the extending end of the connecting piece 813 is integrally connected with the middle island cap 811 (i.e. corresponding to the cap portion 806 in the first embodiment), so that the end protecting portion and the middle island protecting portion are integrally formed together while simplifying the assembly process. Correspondingly, to prevent the mutual interference between the plates, the formation of the middle island protection portion is facilitated, and the elastic abutting portion 814 (i.e., corresponding to the elastic contact portion 810 in the first embodiment) at the end of the female connector is formed by bending upwards the extension of the outer wall protection portion 803 at the outer side of the long-side structure 502, so as to form a contact terminal electrically contacting the side wall protection portion of the male protection shell 4. In addition, it is obvious that the cover cap portion 806 may further be provided with a glue hooking portion 812, so that the middle island protection portion can be connected with the end portion of the middle island structure 501 more firmly, and prevent loosening.

As shown in fig. 2, as a preferred embodiment, the side wall of the female protecting shell 8, which is in contact with the male protecting shell 4, is further provided with an anti-falling structure. The anti-falling structure specifically comprises a buckling groove 410 and a buckling protrusion matched with the buckling groove 410, the buckling groove 410 is formed on the inner side surface and the outer side surface of the male base protecting shell 4, and the buckling protrusion comprises a first buckling protrusion 807 arranged on the inner wall of the end protecting part (namely the inner wall protecting part 802) and a second buckling protrusion 808 arranged on the outer wall of the cover cap part 806 (or the middle island cover cap 811) opposite to the first buckling protrusion 807. In order to make the male and female connectors more tightly buckled, the female power terminal 7 is integrally bent and formed and adopts a two-point contact design, as shown in fig. 3, the female power terminal 7 includes a holding portion 701 embedded in the female terminal slot, a soldering leg 702 extending towards the outer side of the female insulating base 5, a first contact arm 703 extending towards the inner side of the female insulating base 5 and used for contacting with the cover 406 of the outer side surface of the side wall of the male housing 4, a second contact arm 704 used for contacting with the male power terminal 3 in the male housing 4, and a connecting arm 706 used for connecting the first contact arm 703 with the second contact arm 704, the second contact arm end is bent and formed with a contact head 705 matched with the buckling groove 410 on the inner side of the male housing 4, and a third buckling protrusion 707 matched with the buckling groove 410 on the outer side of the male housing 4 is preset on the first contact arm 703. When the male connector pair is inserted into the female connector, the first fastening protrusion 807, the second fastening protrusion 808, the third fastening protrusion 707, and the contact 705 can be just locked into the fastening groove 410, so that the reliability and the contact stability of the connection between the female connector and the male connector are greatly improved, and the electromagnetic interference resistance of the connector can be further improved by a multipoint contact manner.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A male-base connector, which comprises a male-base connector, characterized by comprising the following steps:

A male insulation base (1) comprising a rectangular central slot (101) in the middle, a pair of oppositely arranged long side walls (102), a pair of oppositely arranged short side end walls (103);

The male seat conductive terminal comprises a male seat signal terminal (2) and a male seat power terminal (3) which are embedded in a male seat terminal groove in the middle of two long side walls (102);

The public seat protecting shell (4) comprises an end wall protecting part, a side wall protecting part and a connecting part, wherein the end wall protecting part is coated above the short-side end wall (103), the side wall protecting part is partially coated above the long-side wall (102) and integrally connected with the public seat power terminal (3), and the connecting part is coated on the inner bottom surface of the public insulation base (1) and used for integrally connecting the end wall protecting part with the side wall protecting part.

2. A male connector according to claim 1, wherein the end wall protecting portion comprises an end wall top surface covering portion (401) covering the top surface of the short side end wall (103), an end wall inner side surface covering portion (402) covering the inner side surface of the short side end wall (103), and an end wall outer side surface covering portion (403) covering the outer side surface of the short side end wall (103).

3. A male connector according to claim 2, wherein the side wall protecting portion is an extension of the end wall covering portion in the direction of the long side wall (102), and comprises a side wall top surface covering portion (404) partially covering the top surface of the long side wall (102), a side wall inner side surface covering portion (405) partially covering the inner side surface of the long side wall (102), a side wall outer side surface covering portion (406) partially covering the outer side surface of the long side wall (102), an inner corner covering portion (407) covering the inner corners of the short side end wall (103) and the long side wall (102), and an outer corner covering portion (408) covering the outer corners of the short side end wall (103) and the long side wall (102).

4. A connector assembly comprising the male mount connector of claim 3 and a female mount connector removably electrically connected to the male mount connector, the female mount connector comprising:

A female insulation base (5), the female insulation base (5) comprising a pair of oppositely disposed long side structures (502), a pair of oppositely disposed short side structures (503) and a mid-island structure (501) mated with the central slot (101) of the male insulation base (1);

The female base conductive terminal comprises a female base signal terminal (6) and a female base power terminal (7) which are embedded in a female base terminal groove between the long-side structure (502) and the middle island structure (501);

The female seat protection shell (8) comprises an end protection part and a cap part (806), wherein the end protection part is coated above the end of the female insulation base (5), the cap part is coated on the end of the middle island structure (501), and the connection fixing part (809) is positioned on the inner bottom surface of the female insulation base (5) and used for connecting the end protection part and the middle island protection part into a whole.

5. A connector assembly according to claim 4, wherein the end portion protecting portion comprises a top wall protecting portion (801) entirely covering the top surface of the short side structure (503) and partially covering the top surface of the long side structure (502), an inner wall protecting portion (802) entirely covering the inner side surface of the short side structure (503) and partially covering the inner side surface of the long side structure (502), an outer wall protecting portion (803) entirely covering the outer side surface of the short side structure (503) and partially covering the outer side surface of the long side structure (502), an inner corner protecting portion (804) covering the inner corners of the short side structure (503) and the long side structure (502), and an outer corner protecting portion (805) covering the outer corners of the short side structure (503) and the long side structure (502).

6. A connector assembly according to claim 5, wherein the connecting and fixing portion (809) is a portion extending horizontally inward from a bottom edge of the outer wall protecting portion (803) on the outer side surface of the short-side structure (503), and integrally connected to the cap portion (806), and elastic contact portions (810) extending vertically upward are provided on both sides of the connecting and fixing portion (809).

7. A connector assembly according to claim 5, wherein the connecting and fixing portion (809) is an inward extension of the bottom edge of the inner wall protecting portion (802) of the inner side surface of the short side structure (503) and integrally connected to the cap portion (806), and the outer wall protecting portion (803) of the outer side of the long side structure (502) is provided with an elastic abutting portion (814) bent inward and extending upward.

8. A connector assembly according to claim 4, wherein the inner and outer sides of the male housing (4) are further provided with a fastening groove (410), and correspondingly, a first fastening protrusion (807) and a second fastening protrusion (808) are respectively provided on the inner wall of the end portion protecting portion and the outer wall of the cap portion (806) in an opposite manner.

9. A connector assembly according to claim 8, wherein the female socket power terminal (7) is integrally bent and formed, and comprises a holding portion (701) embedded in the female socket terminal groove, a soldering leg (702) extending towards the outer side of the female insulating base (5), a first contact arm (703) extending towards the inner side of the female insulating base (5) and used for being contacted with a side wall outer side surface covering portion (406) of the male socket protecting shell (4), a second contact arm (704) used for being contacted with a male socket power terminal (3) in the male socket protecting shell (4), and a connecting arm (706) used for connecting the first contact arm (703) with the second contact arm (704), a contact head (705) matched with a buckling groove (410) on the inner side surface of the male socket protecting shell (4) is formed at the tail end of the second contact arm (704), and a third buckling protrusion (707) matched with a buckling groove (410) on the outer side surface of the male socket protecting shell (4) is preset on the first contact arm (703).

10. A connector assembly according to any one of claims 4-9, wherein the male socket conductive terminal and the male socket protective housing (4) are made of metal materials and are fixed with the male insulating base (1) by insert molding, and the female socket conductive terminal and the female socket protective housing (8) are made of metal materials and are fixed with the male insulating base (1) by insert molding.