Right Angle Connectors and Connector Assemblies

Abstract

The present invention discloses a right-angle connector and a connector assembly. According to the right-angle connector of the present invention, it comprises: a housing, the housing has an open first end and an open second end, the first end faces the cable access direction and the second end faces the terminal access direction, the cable access direction and the terminal access direction are perpendicular to each other, and a cavity is formed inside the housing; and a terminal assembly, the terminal assembly is arranged in the cavity formed by the housing, the terminal assembly forms a cable connection end and a terminal connection end, wherein the terminal assembly comprises: a crimping terminal, the crimping terminal has a crimping wing for connecting a cable and a carrier with an opening; an elastic arm jack terminal, the elastic arm jack terminal comprises a plurality of elastic arms, and the plurality of elastic arms form an elastic receiving portion around the opening on the carrier; and a protective accessory, the protective accessory has a rod-shaped member, when the protective accessory is fitted into the opening of the carrier, the rod-shaped member is arranged to extend in the elastic receiving portion formed by the elastic arm. Since the protective accessory is used in the terminal assembly, it is possible to avoid fingers from contacting the terminals in the connector, thereby improving the safety during operation.

Description

Technical Field

[0001] The present invention relates to the field of electrical connection, and more particularly to a right-angle electrical connector suitable for high energy. Background Art

[0002] International and domestic large automobile enterprises are developing electric vehicles and hybrid vehicles to replace or partially replace traditional fuel and gas vehicles and alleviate the shortage of fuel and gas in the market. In various systems of electric vehicles and hybrid vehicles, the charging and battery replacement system plays the role of transmitting electric energy and is an important basic technical support system; while the charging connector and wiring harness that are interconnected with the battery box, distribution box, drive motor, and motor controller in the system play a key role.

[0003] With the development of electric vehicles, higher requirements are placed on high-energy electrical connectors. The original high-voltage electrical connectors cannot meet the current connection requirements of large wire diameters and high currents, and are also insufficient in terms of connection stability and safety of use. Therefore, it is urgent to develop a new type of automotive high-voltage electrical connector to meet market demand. Summary of the invention

[0004] In order to overcome the deficiencies in the prior art, the present invention provides a right-angle connector, comprising: a shell, the shell having an open first end and an open second end, the first end facing a cable access direction and the second end facing a terminal access direction, the cable access direction and the terminal access direction are perpendicular to each other, and a cavity is formed inside the shell; and a terminal assembly, the terminal assembly is arranged in the cavity formed by the shell, the terminal assembly forms a cable connection end and a terminal connection end, wherein the terminal assembly has: a crimping terminal, the crimping terminal has a crimping wing for connecting a cable and a carrier with an opening; an elastic arm jack terminal, the elastic arm jack terminal includes a plurality of elastic arms, and the plurality of elastic arms form an elastic receiving portion around the opening on the carrier; and a protective accessory, the protective accessory has a rod-shaped member, and when the protective accessory is fitted and installed in the opening of the carrier, the rod-shaped member is arranged to extend in the elastic receiving portion formed by the elastic arm.

[0005] According to one aspect of the present invention, the free end of the rod-shaped member of the protective attachment is flush with or exceeds the free end of the elastic arm.

[0006] According to another aspect of the present invention, the terminal assembly also has a terminal shield having a sleeve for surrounding the elastic arm and a base for engaging with a carrier plate of the crimping terminal, and the protective accessory of the terminal assembly has an end cover plate, and the rod-shaped member extends perpendicular to the surface of the end cover plate.

[0007] According to another aspect of the present invention, the crimping wing includes a first crimping portion and a second crimping portion, the first crimping portion is arranged close to the front side of the carrier relative to the second crimping portion, wherein the first crimping portion and the second crimping portion are formed continuously, and when the crimping wing is flattened, the first crimping portion has a first width, the second crimping portion has a second width, and the first width is greater than the second width.

[0008] According to another aspect of the present invention, the housing is provided with position retaining devices near two ends, the position retaining devices comprising a screw and a screw retaining portion, wherein the screw retaining portion is formed integrally with the housing.

[0009] According to another aspect of the present invention, the position holding device also includes a screw position holding member, the screw holding portion is integrally provided with a screw holding member slot, the screw position holding member is movably inserted into the screw holding member slot, one end of the screw position holding member is a holding end, and the other end is an operating end, and the holding end can be moved onto the head of the screw in a threaded mating state and clamp its position.

[0010] According to another aspect of the present invention, the shell is provided with a cable retaining portion at the second end, the cable retaining portion having a cable retaining cover suitable for being snapped into the second end of the shell and two wire locking buckles arranged inside the cable retaining cover, and the two wire locking buckles are configured to cooperate with each other to retain the cable at the second end.

[0011] According to another aspect of the present invention, the right-angle connector also includes a shielding assembly, which includes a first shielding member arranged along the cable insertion direction and a second shielding member arranged perpendicular to the cable insertion direction, the first shielding member having a coupling portion, and one end of the second shielding member forms a concave and convex indentation at a position where the second shielding member engages with the coupling portion of the first shielding member.

[0012] The present invention also provides an electrical connector assembly, which includes the right-angle connector in the above-mentioned technical solutions, which is used as a female connector; and a male connector that mates with the female connector, the male connector having a body and a terminal retained in the body, the terminal having an end for being inserted into the female connector, the end being provided with a groove, and the groove being configured to receive a rod-shaped member of a protective accessory in the female connector.

[0013] According to another aspect of the present invention, the male connector is provided with a matching position retaining device having a nut retaining portion integrally formed by a body of the male connector and a nut received in the nut retaining portion.

[0014] In the right-angle connector according to the present invention, a protective accessory is used in the terminal assembly therein, so as to prevent the fingers of the assembler from touching the terminals in the right-angle connector during operation, thereby improving the safety during operation.

[0015] Due to the use of stepped crimping wings, it provides good mechanical and electrical properties and can better resist aging and performance degradation caused by high temperature, humidity, low-speed torsion and vibration.

[0016] The high-voltage connector assembly adopts a threaded position retaining mechanism, and a screw position retaining member is further provided in the position retaining mechanism, which significantly improves the reliability of the assembly connection, especially meeting the requirements for electrical connection of high current-carrying equipment subject to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For a more complete understanding of the present invention, reference may be made to the following description of exemplary embodiments considered in conjunction with the accompanying drawings, in which:

[0018] Figure 1 A perspective view of a high voltage electrical connector assembly according to the present invention is shown.

[0019] Figure 2A A perspective view of a female connector in a high voltage electrical connector assembly according to the present invention is shown.

[0020] Figure 2B A cross-sectional view of a female connector in a high voltage electrical connector assembly according to the present invention is shown.

[0021] Figure 2C An exploded perspective view of a female connector in a high voltage electrical connector assembly according to the present invention is shown.

[0022] Figure 3A A perspective view of a male connector in a high voltage electrical connector assembly according to the present invention is shown.

[0023] Figure 3B A cross-sectional view of a male connector in a high voltage electrical connector assembly according to the present invention is shown.

[0024] Figure 3C An exploded perspective view of a male connector in a high voltage electrical connector assembly according to the present invention is shown.

[0025] Figure 4 An exploded perspective view of a terminal assembly in a high voltage electrical connector according to the present invention is shown.

[0026] Figure 5 A perspective view of a terminal assembly with terminals connected thereto according to the present invention is shown.

[0027] Reference numerals list

[0028] 1 Electrical connector assembly

[0029] 10 Female connector

[0030] 110 Housing

[0031] 111 First End

[0032] 112 Second End

[0033] 120 Terminal Assembly

[0034] 121 Wire terminal

[0035] 1211 Crimp Wings

[0036] 1212 Carrier Board

[0037] 122 Spring Arm Socket Terminal

[0038] 123 Terminal cover

[0039] 124 Protective accessories

[0040] 1241 Rod

[0041] 1242 End cap

[0042] 131 Inner ring

[0043] 132 outer ring

[0044] 133 First shield

[0045] 134 Second shielding cover

[0046] 1341 Indentation

[0047] 140 Cable holding part

[0048] 141 Cable retaining cover

[0049] 142 Line lock buckle

[0050] 150 Position holding device

[0051] 151 Screw holding part

[0052] 152 Screw

[0053] 153 Screw position retainer

[0054] 154 Screw retainer slot

[0055] 155 Through hole

[0056] 160 Sealing ring

[0057] 161 Sealing ring retainer

[0058] 170 Insulation sleeve

[0059] 20 Male Connector

[0060] 210 Ontology

[0061] 211 Base

[0062] 212 holes

[0063] 213 Terminal receiving portion

[0064] 220 terminal

[0065] 230 Shielding

[0066] 240 Matching position holding device

[0067] 241 Nut

[0068] 260 Seal

[0069] 270 grooves

[0070] 30 Cable DETAILED DESCRIPTION

[0071] The present invention is further described below in conjunction with specific embodiments and drawings. More details are elaborated in the following description to facilitate a full understanding of the present invention. However, the present invention can obviously be implemented in a variety of other ways different from the description herein. Those skilled in the art can make similar generalizations and deductions based on actual application situations without violating the connotation of the present invention. Therefore, the protection scope of the present invention should not be limited by the content of this specific embodiment.

[0072] Figure 1 FIG. 1 shows a three-dimensional view of a high-voltage electrical connector assembly 1 according to the present invention. The high-voltage electrical connector assembly 1 is a right-angle electrical connector, that is, the access direction of the cable 30 is perpendicular to the arrangement direction of the terminal 220. Figure 1 As shown, the high-voltage electrical connector assembly 1 includes a male connector 20 and a female connector 10, which cooperate with each other to achieve electrical connection between the cable 30 and the terminal 220. In actual use, the body of the male connector 20 in the high-voltage electrical connector assembly 1 is fixed to the body of the relevant equipment through a plurality of fasteners, thereby fixing the entire high-voltage electrical connector assembly 1 to a set position on the relevant equipment. The electrical connector assembly 1 according to the present invention is particularly suitable for connecting cables with large wire diameters, such as 95mm 2 The cables with the wire diameter specifications can be suitable for high current carrying applications accordingly. For example, the electrical connector assembly 1 can carry a current as high as 370A.

[0073] Figure 2A , 2B 2C respectively show a perspective view, a cross-sectional view and an exploded view of the female connector 10 in the high voltage electrical connector assembly 1 according to the present invention. Figure 2AAs can be seen in FIG. 2C , the right-angle female connector 10 includes a housing 110 , a terminal assembly 120 , a shielding assembly, a cable retaining portion 140 , and a position retaining device 150 .

[0074] The housing 110 has an open first end 111 and an open second end 112, wherein the first end 111 is open toward the cable access direction to receive the cable 30, and the second end 112 is open toward the terminal access direction of the male connector 20 to receive the terminal 220 (such as Figure 3C ). The cable access direction and the terminal access direction are perpendicular to each other, and accordingly, the housing 110 forms a 90-degree right angle portion, and a cavity with a corner is formed inside the housing 110. The terminal assembly 120 and the shielding assembly are arranged in the cavity of the housing 110, wherein the terminal assembly 120 is arranged at the corner position of the cavity to provide electrical connection, and multiple components of the shielding assembly extend from the first end 111 to the second end 112 along the cavity of the housing 110 to provide a complete shielding effect. The housing 110 is usually formed integrally of an electrically insulating material.

[0075] The terminal assembly 120 in the cavity of the housing 110 has a cable connection end and a terminal connection end, which are electrically connected to the terminals of the cable 30 and the male connector 20 in mutually perpendicular directions. Figure 4 As shown, the terminal assembly 120 includes a crimping terminal 121 , a spring-arm jack terminal 122 , a terminal sheath 123 and a protective accessory 124 .

[0076] The crimping terminal 121 has a crimping wing 1211 for connecting the cable 30 and a carrier plate 1212 having an opening. Figure 4 As shown, a stepped crimping wing 1211 is used in the crimping terminal 121 according to the present invention. The crimping wing 1211 includes a first crimping portion and a second crimping portion, wherein the first crimping portion is arranged near the front side of the carrier 1212 relative to the second crimping portion, and the second crimping portion is located at the rear side of the first crimping portion, closer to the first end of the female connector 10, wherein the first crimping portion and the second crimping portion are formed continuously, and when the crimping wing is flattened, the first crimping portion has a first width, and the second crimping portion has a second width, and the first width is greater than the second width. The inner surface of the first crimping portion is provided with a plurality of first grooves extending perpendicularly to the longitudinal axis of the cable approaching direction, and the inner surface of the second crimping portion is provided with a plurality of second grooves extending perpendicularly to the longitudinal axis direction, and accordingly, the width of the first groove is greater than the width of the second groove. Compared with the traditional open-wing terminal, the crimping stability of the stepped wing crimping terminal according to the present invention is more ideal under the same process precision. The inventors have found through actual measurements that the stepped wing terminal of the present invention can provide excellent transmission performance and can better resist aging and performance degradation caused by use environments such as high temperature, humidity, low-speed distortion and vibration.

[0077] The elastic arm socket terminal 122 in the terminal assembly 120 is suitable for engaging in the opening of the carrier 1212 of the crimping terminal 121. The elastic arm socket terminal 122 includes a plurality of elastic arms, and there are notches between adjacent elastic arms to separate the elastic arms. These elastic arms surround the opening on the carrier 1212 to form an elastic receiving portion to receive the terminal 220 in the male connector 20. These elastic arms can have the same tortuous shape, thereby providing a consistent elastic force for the elastic arm to stably contact the outer surface of the terminal of the male connector 20. In some applications, the elastic arm socket terminal 122 can also be called a crown spring or a crown-shaped contact spring.

[0078] The terminal assembly 120 includes a terminal sheath 123, which has a sleeve for surrounding the elastic arm and a base for joining to a carrier plate 1212 of the crimping terminal 121. Preferably, the terminal sheath 123 is integrally formed of, for example, an insulating resin material. The base of the terminal sheath 123 is fixed to the carrier plate 1212 of the crimping terminal 121 through a snap-fit ​​structure.

[0079] The terminal assembly 120 includes a protective accessory 124, which has an end cover piece 1242 and a rod-shaped member 1241. The rod-shaped member 1241 extends perpendicularly to the surface of the end cover piece 1242. When the protective accessory 124 is fitted into the opening of the carrier plate 1212 of the crimping terminal 121, the substantially disc-shaped end cover piece 1242 covers the opening of the carrier plate 1212. The rod-shaped member 1241 extends through the elastic receiving portion formed by the elastic arm. Preferably, the free end of the rod-shaped member 1241 is flush with or exceeds the free end of the elastic arm. The protective accessory 124 can prevent a person's fingers from contacting the charged elastic arm, thereby avoiding potential dangers. The disc-shaped end cover piece 1242 is preferably engaged in the end of the elastic arm jack terminal 122 by interference fit, and also further enables the elastic arm jack terminal 122 to reliably abut against the opening of the carrier plate of the crimping terminal 121.

[0080] According to a preferred embodiment of the present invention, the shielding assembly includes: Figure 2B and 2CAs shown, the inner ferrule 131 and the outer ferrule 132 crimped on the cable shielding layer and the first shielding cover 133 and the second shielding cover 134. In a preferred embodiment, the first shielding cover 133 is roughly in the shape of a square column, preferably formed in one piece from a metal plate to match the square inner cavity of the housing 110 along the cable insertion direction, and an opening-shaped joint portion is provided on one side thereof to facilitate the joint of one end of the second shielding cover 134. The second shielding cover 134 is formed into a cylindrical shape from a metal plate, and a circle of concave-convex indentations 1341 is formed at one end of the second shielding member 134, and the circle of indentations 1341 is formed at the position where the second shielding member 134 is joined to the joint portion of the first shielding member 133. When the first shielding member 133 and the second shielding member 134 are matched together, the indentation 1341 structure can improve the reliability of the connection between the two shielding members.

[0081] In addition, if Figure 2B and 2C As shown, a cable holding portion 140 is further provided at the first end 111 of the housing 110. The cable holding portion 140 has a cable holding cover 141 adapted to be snapped to the first end 111 of the housing 110 and two wire lock buckles 142 disposed inside the cable holding cover 141. The two wire lock buckles 142 are configured to snap together so as to hold the cable 30 at the first end 111. The cable holding cover 141 is engaged to the first end 111 of the housing 110 through a snap-fit ​​structure, thereby holding the wire lock buckles 142 to the housing 110.

[0082] like Figure 2B and 2C As shown, the female connector 10 is provided with sealing rings 160 at the first end 111 and the second end 112, respectively, to prevent external contaminants from entering the interior of the housing 110. The sealing ring at the first end 111 is retained in the housing 110 by means of the cable retaining portion 140. The sealing ring at the second end 112 is retained on the second end 112 of the housing 110 by a specially provided sealing ring retaining member 161. The shapes of the sealing rings 160 at both ends match the shape of the inner cavity of the housing 110.

[0083] In addition, an insulating sleeve 170 is provided in the inner cavity of the housing 110 of the female connector 10 . The insulating sleeve 170 is formed in the shape of a square sleeve and is suitable for fitting inside the first shielding member 133 .

[0084] Figure 3A , 3B 3C respectively show a stereoscopic view, a cross-sectional view and an exploded view of the male connector 20 in the high voltage electrical connector assembly 1 according to the present invention. The male connector 20 mainly includes a body 210, a terminal 220, a shielding member and a matching position retaining device.

[0085] The body 210 of the male connector 20 includes a base portion 211, which is provided with a plurality of holes suitable for receiving fasteners for mounting to the device body, and sleeves can be arranged in the holes. The body 210 also includes a pair of receiving portions 213 for receiving terminals, and the receiving portions 213 form a through channel extending through the base portion 211. The male connector 20 may also include a pair of terminals 220, each of which is arranged in a corresponding channel of the body 210.

[0086] like Figure 3B As shown, a groove 270 is provided at the upper end of the terminal 220. When the female connector 10 and the male connector 20 are plugged together, the rod-shaped member 1241 of the protective accessory 124 installed in the elastic arm socket terminal 122 of the female connector 10 will be received in the upper end groove 270 of the terminal 220 of the male connector 20, and the outer peripheral surface of the terminal 220 will be crimped by the elastic arm of the elastic arm socket terminal 122.

[0087] like Figure 3B As shown, a sealing ring receiving groove is also provided on the surface of the base portion 211 of the body 210 of the male connector 20, which is away from the female connector 10, and the sealing ring 260 is assembled in the receiving groove. Figure 1 When the connector assembly 1 is fixed to a plate-like structure of a suitable device by means of fasteners, the sealing ring will be in close contact with the surface of the plate-like structure, thereby providing a good sealing effect.

[0088] In addition, the male connector 20 further includes a shielding member 230, such as Figure 3C As shown, the shielding member 230 is cylindrical and is received in the terminal receiving portion 213 of the male connector 20. Preferably, when the male connector 20 is mated with the female connector 10, the shielding member 230 is engaged with the cylindrical second shielding member 134 in the female connector 10, thereby providing an excellent shielding effect.

[0089] In order to ensure the reliability of the connection of the high current-carrying connector assembly 1 and avoid loosening of the connection due to factors such as vibration in actual application, the connector assembly 1 according to the present invention adopts a threaded connection position retaining mechanism. The female connector 10 has a position retaining device 150, such as Figure 2A As shown, the position holding device 150 is arranged near the second end 112 of the housing 110. The position holding device 150 includes a screw 152 and a screw holding portion 151, wherein the screw holding portion 151 is an integral part of the housing 110, and has a through hole through which the screw 152 can pass and a frame that accommodates and at least partially surrounds the head of the screw 151.

[0090] The matching position retaining device 240 of the male connector 20 is arranged on the surface of the base portion 211 of the body 210 opposite to the female connector 10, and has a nut retaining portion integrally formed by the body and a nut 241 received in the nut retaining portion 151. Figure 3C As shown, the nut 241 has an outer peripheral surface with a hexagonal cross section, which is arranged in the nut holding portion 151 having a hole with a hexagonal cross section. Figure 1 It can be clearly seen in the figure that the position retaining device 150 of the female connector 10 and the position retaining device 240 of the male connector 20 are in a mating state, in which the screw 152 and the nut 241 are threadedly mated.

[0091] In particular, the position holding mechanism further includes a screw position holding member 153, such as Figure 1 As shown. A screw holder slot 154 is integrally provided on one side of the screw holder 151 of the female connector, and a screw position holder 153 is movably inserted into the screw holder slot 154. One end of the screw position holder 153 is a holding end, and the other end is an operating end. The holding end of the screw position holder 153 can be moved onto the head of the screw 152 in a threaded mating state and clamp its position. Preferably, an arc-shaped surface is formed on one side of the holding end relative to the screw head, and a plurality of convex stripes are provided on the operating end to improve the operating feel. The screw holder also integrally has a frame located to accommodate the head of the screw 152, and a through hole 155 is provided on one side of the frame adjacent to the screw position holder 153, and the holding end can move through the through hole 155 and extend into the head of the screw 152 inside the frame.

[0092] In the right-angle connector 10 according to the present invention, a protective accessory 124 is used in the terminal assembly 120 therein, so as to prevent the fingers of the assembler from contacting the terminals in the right-angle connector 10, thereby improving the safety during operation.

[0093] Due to the use of stepped crimping wings, it provides good mechanical and electrical properties and can better resist aging and performance degradation caused by high temperature, humidity, low-speed torsion and vibration.

[0094] The high-voltage connector assembly 1 adopts a threaded position retaining mechanism, and a screw position retaining member 153 is further provided in the position retaining mechanism, so that the reliability of the assembly connection is significantly improved, especially meeting the requirements for electrical connection of high current-carrying equipment subject to vibration.

[0095] Although the present invention is disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims

1. A right-angle connector, comprising: A shell, the shell having an open first end and an open second end, the first end facing a cable access direction and the second end facing a terminal access direction, the cable access direction and the terminal access direction are perpendicular to each other, and a cavity is formed inside the shell; as well as A terminal assembly, the terminal assembly is arranged in the cavity formed by the housing, the terminal assembly forms a cable connection end and a terminal connection end, It is characterized in that the terminal assembly has: A crimping terminal having a crimping wing for connecting a cable and a carrier having an opening; An elastic arm plug-in terminal, the elastic arm plug-in terminal comprising a plurality of elastic arms, the plurality of elastic arms surrounding the opening on the carrier to form an elastic receiving portion; and a protective accessory (124), the protective accessory having a rod-shaped member, and when the protective accessory is fitted into the opening of the carrier plate, the rod-shaped member is arranged to extend in the elastic receiving portion formed by the elastic arm, The housing is provided with a position holding device near the second end, the position holding device comprises a screw and a screw holding portion, wherein the screw holding portion is formed integrally with the housing, the position holding device further comprises a screw position holding piece, the screw holding portion is integrally provided with a screw holding piece slot, the screw position holding piece is movably inserted into the screw holding piece slot, one end of the screw position holding piece is a holding end, and the other end is an operating end, the holding end can be moved onto the head of the screw in a threaded mating state and clamp its position, The right-angle connector also includes a shielding assembly, which includes a first shielding member arranged along the cable insertion direction and a second shielding member arranged perpendicular to the cable insertion direction, the first shielding member has a joining portion, and one end of the second shielding member forms a concave and convex indentation at a position where the second shielding member joins with the joining portion of the first shielding member.

2. The right angle connector according to claim 1, characterized in that: The free end of the rod-shaped member of the protective attachment is flush with or exceeds the free end of the elastic arm.

3. The right angle connector according to claim 1, characterized in that: The terminal assembly also has a terminal housing, wherein the terminal housing has a sleeve for surrounding the elastic arm and a base for engaging with a carrier plate of the crimping terminal. Furthermore, the protective accessory of the terminal assembly has an end cover plate, and the rod-shaped member extends perpendicularly to the surface of the end cover plate.

4. The right angle connector according to claim 1, characterized in that: The crimping wing portion includes a first crimping portion and a second crimping portion, wherein the first crimping portion is arranged relative to the second crimping portion and close to the front side of the carrier plate. The first crimping portion and the second crimping portion are continuously formed, and when the crimping wing is flattened, the first crimping portion has a first width, and the second crimping portion has a second width, and the first width is greater than the second width.

5. The right angle connector according to claim 1, characterized in that: The shell is provided with a cable retaining portion at the second end, and the cable retaining portion has a cable retaining cover suitable for being snapped onto the second end of the shell and two wire locking buckles arranged inside the cable retaining cover, and the two wire locking buckles are configured to cooperate with each other to retain the cable at the second end.

6. An electrical connector assembly, comprising: The right-angle connector according to any one of claims 1 to 5, wherein the right-angle connector is used as a female connector; as well as A male connector that mates with the female connector, the male connector having a body and a terminal held in the body, the terminal having an end for being inserted into the female connector, the end being provided with a groove, and the groove being configured to receive the rod-shaped member of the protective accessory in the female connector.

7. The electrical connector assembly according to claim 6, wherein: The male connector is provided with a matching position retaining device having a nut retaining portion integrally formed by the body of the male connector and a nut received in the nut retaining portion.

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