Terminal, electric connector and electric connector assembly

Abstract

The invention provides a terminal, an electric connector and an electric connector assembly, and the terminal comprises a fixing part which comprises a first segment, a second segment, a third segment and a fourth segment, the first segment and the second segment are opposite to each other at an interval, the third segment and the fourth segment are opposite to each other at an interval, the first section, the third section, the second section and the fourth section are connected in sequence; the at least one group of elastic clamping arms respectively extend from the first sides of the first section and the second section; the embedding part extends from the second side of the first section to the direction far away from the elastic clamping arm; the electric connecting part extends from the second side of the second section to the direction far away from the elastic clamping arm, and the length of the electric connecting part is greater than that of the embedding part; and the pair of assembling parts respectively extend from the first side of the third section and the first side of the fourth section to the direction far away from the embedding part. According to the invention, the fixing stability of the terminal in the shell is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electrical connectors, and in particular to a terminal, an electrical connector, and an electrical connector assembly. Background Art

[0002] An electrical connector assembly generally includes a first connector and a second connector that mate with each other. The first connector includes a first insulating housing and a first terminal disposed within the first insulating housing. The second connector includes a second insulating housing and a blade terminal disposed within the second insulating housing. By mating the first and second connectors, the first and blade terminals come into contact and establish an electrical connection, thereby forming a current path within the electrical connector assembly. In existing electrical connector assemblies, the mating stability between the terminals and the housing is low. Repeated insertion and removal can cause the terminals to shift position, affecting subsequent normal use. Summary of the Invention

[0003] In response to the problems in the prior art, the purpose of the present application is to provide a terminal, an electrical connector and an electrical connector assembly to improve the fixing stability of the terminal in the housing.

[0004] In a first aspect, the present application provides a terminal, including:

[0005] a fixing portion, comprising a first section, a second section, a third section, and a fourth section, wherein the first section and the second section are spaced apart and opposite to each other, the third section and the fourth section are spaced apart and opposite to each other, and the first section, the third section, the second section, and the fourth section are sequentially connected;

[0006] at least one set of elastic clip arms extending from the first side of the first section and the second section respectively;

[0007] an embedded portion extending from the second side of the first section toward a direction away from the elastic clamping arm;

[0008] an electrical connection portion extending from the second side of the second section in a direction away from the elastic clip arm, wherein the length of the electrical connection portion is greater than the length of the embedded portion;

[0009] A pair of assembly portions extend from the first side of the third section and the first side of the fourth section respectively in a direction away from the embedded portion.

[0010] In some embodiments, the fourth segment is formed by bending from the first segment and / or the second segment.

[0011] In some embodiments, the fourth segment includes a first bending segment formed by bending the first segment and a second bending segment formed by bending the second segment, and the junction of the first bending segment and the second bending segment is connected and conducted by welding.

[0012] In some embodiments, the assembly portion connected to the fourth section includes a first assembly section extending from the first bending section and a second assembly section extending from the second bending section, and the junction of the first assembly section and the second assembly section is connected and conducted by welding.

[0013] In some embodiments, at least one protrusion is provided on both side walls of the assembly portion.

[0014] A second aspect of the present application provides an electrical connector, comprising:

[0015] an insulating housing comprising a first side and a second side;

[0016] A plurality of terminals as described in the first aspect above, inserted into the interior of the insulating housing;

[0017] a back plate disposed on the second side of the insulating housing, wherein the terminal is inserted into the back plate, and the embedded portion and the electrical connection portion protrude from a side of the back plate away from the elastic clamping arm;

[0018] an adhesive layer disposed on a side of the back plate away from the elastic clamping arm, the embedded portion and the electrical connection portion being inserted into the adhesive layer, and the electrical connection portion protruding from the side of the adhesive layer away from the back plate;

[0019] A sealing member is arranged outside the insulating shell.

[0020] In some embodiments, the insulating shell includes a base and a receiving portion, the receiving portion is arranged on a first side of the base, a plurality of mounting slots are provided in the receiving portion, and the elastic clamping arms of the terminals are arranged in the mounting slots.

[0021] In some embodiments, a supporting portion is further provided on the outer side of the receiving portion, the sealing member is sleeved on the outer side of the receiving portion, and the sealing member is located between the base and the supporting portion.

[0022] In some embodiments, a plurality of protrusions are provided inside the insulating shell, and the protrusions pass through the back plate and are fixed relative to the back plate by hot melting.

[0023] In some embodiments, a cross supporting portion is provided inside the insulating shell, and the cross supporting portion is abutted against the back plate.

[0024] In some embodiments, a plurality of mating portions are provided on a side of the back plate facing the elastic clamp arm, and the mating portions are inserted into the fixing portions of the terminals.

[0025] In some embodiments, the back plate is provided with a plurality of through holes, and the through holes are located between the plurality of the terminals.

[0026] A third aspect of the present application further provides an electrical connector, comprising:

[0027] an insulating housing, wherein a first side of the insulating housing is provided with a plurality of step portions;

[0028] a plurality of blade terminals, the blade terminals being inserted into the insulating housing and protruding from a first side and a second side of the insulating housing respectively;

[0029] an adhesive layer, disposed on the second side of the insulating housing;

[0030] A sealing member is provided on the outside of the insulating shell, and the sealing member includes a step matching portion provided on the outside of the step portion.

[0031] In some embodiments, the insulating housing includes a base and a matching portion, and at least one side of the base is provided with a row of through holes;

[0032] The sealing member includes a first sealing portion, a second sealing portion and a plurality of connecting columns, the first sealing portion and the second sealing portion are connected by the plurality of connecting columns, the first sealing portion is located on the first side of the base, the second sealing portion is located on the second side of the base, and the plurality of connecting columns are located in the through hole.

[0033] In some embodiments, two long sides of the base are respectively provided with a row of through holes.

[0034] In some embodiments, the sheet terminal includes a contact portion and an electrical connection portion, and a protruding retaining portion is provided on both sides of the contact portion.

[0035] The fourth aspect of the present application further provides an electrical connector assembly, comprising an electrical connector as described in the third aspect and an electrical connector as described in the fourth aspect.

[0036] The terminal, electrical connector, and electrical connector assembly provided by this application have the following advantages:

[0037] The first and second aspects of the present application respectively provide a terminal and an electrical connector including the terminal, wherein the fitting portion and the embedded portion cooperate with the insulating shell to improve the holding force between the terminal and the insulating shell, making it less likely that the terminal will shift in position during use, thereby improving the reliability of the electrical connector.

[0038] The third aspect of the present application provides an electrical connector, which has a step portion on the surface of the insulating shell, and the step mating portion of the seal cooperates with the step portion of the insulating shell to improve the connection stability between the seal and the insulating body, and can keep the seal stably fixed on the surface of the insulating shell even in the case of multiple plugging and unplugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Other features, objects and advantages of the present application will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings.

[0040] Figure 1 This is a schematic structural diagram of an electrical connector assembly according to an embodiment of the present application;

[0041] Figure 2 is an exploded view of a first electrical connector according to an embodiment of the present application;

[0042] Figure 3 is a rear view of a first electrical connector according to an embodiment of the present application;

[0043] Figure 4 yes Figure 3 A1-A1 cross-sectional view;

[0044] Figure 5 yes Figure 3 A2-A2 sectional view;

[0045] Figure 6 and Figure 7 is a structural diagram of a first signal terminal according to an embodiment of the present application;

[0046] Figure 8 and Figure 9 is a structural diagram of a first power terminal according to an embodiment of the present application;

[0047] Figure 10 This is a schematic structural diagram of a first insulating housing according to an embodiment of the present application;

[0048] Figure 11 is a rear view of the first insulating housing according to an embodiment of the present application;

[0049] Figure 12 This is a schematic diagram of the cooperation between the first insulating housing and the first terminal according to an embodiment of the present application;

[0050] Figure 13 This is a rear view of the first insulating housing and the first terminal in engagement with each other according to an embodiment of the present application;

[0051] Figure 14 is a rear view of the first electrical connector without the first adhesive layer according to an embodiment of the present application;

[0052] Figure 15 and Figure 16 This is a schematic diagram of the first terminal and the back plate in accordance with an embodiment of the present application;

[0053] Figure 17 is a structural diagram of a second electrical connector according to an embodiment of the present application;

[0054] Figure 18 is an exploded view of a second electrical connector according to an embodiment of the present application;

[0055] Figure 19 is a front view of a second electrical connector according to an embodiment of the present application;

[0056] Figure 20 yes Figure 19 A3-A3 cross-sectional view;

[0057] Figure 21 and Figure 22 This is a schematic structural diagram of a second insulating housing according to an embodiment of the present application;

[0058] Figure 23 and Figure 24 Schematic diagram of the structure of the second sealing member according to an embodiment of the present application.

[0059] Reference numerals:

[0060] 10 First electrical connector 125b mounting portion

[0061] 11 First insulating shell 1251b protrusion

[0062] 111 first base 13 back plate

[0063] 112 Receiving portion 131 Matching portion

[0064] 1121 first mounting groove 132 first through hole

[0065] 113 raised portion 14 first sealing member

[0066] 114 support part 15 first adhesive layer

[0067] 115 abutting portion 20 second electrical connector

[0068] 12 First terminal 21 Second insulating housing

[0069] 12a First signal terminal 211 Second base

[0070] 121a elastic clamp arm 2111 second through hole

[0071] 122a fixing portion 212 matching portion

[0072] 1221a First section 2121 Second installation slot

[0073] 1222a Second section 213 step

[0074] 1223a Section 3 22 blade terminal

[0075] 1224a Fourth section 22a Second signal terminal

[0076] 1225a welding position 221a contact portion

[0077] 123a embedded portion 222a second electrical connection portion

[0078] 124a First electrical connection portion 2221a Connection hole

[0079] 125a Assembly portion 223a Holding portion

[0080] 1251a protrusion 22b second power terminal

[0081] 12b First power terminal 221b Contact portion

[0082] 121b elastic clamping arm 222b second electrical connection portion

[0083] 122b fixing portion 2221b connecting hole

[0084] 1221b First section 223b Holding portion

[0085] 1222b Second section 24 Second sealing member

[0086] 1223b Third section 241 First sealing part

[0087] 1224b Fourth section 2411 Step matching portion

[0088] 1225b Welding position 242 Second sealing portion

[0089] 123b embedded portion 243 connecting column

[0090] 124b First electrical connection portion 25 Second adhesive layer DETAILED DESCRIPTION

[0091] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be comprehensive and complete and will fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated descriptions will be omitted. "Or" and "or" in the specification may both mean "and" or "or". Although the terms "above", "below", "between", etc. may be used in this specification to describe different exemplary features and elements of the present application, these terms are used herein only for convenience, such as according to the directions of the examples described in the accompanying drawings. Nothing in this specification should be construed as requiring a specific three-dimensional orientation of the structure to fall within the scope of this application. Although "first" or "second" etc. are used in this specification to represent certain features, they are only used to represent the function and are not intended to limit the number and importance of specific features.

[0092] The present application provides a terminal, an electrical connector including the terminal, another electrical connector, and an electrical connector combination including the two electrical connectors. For purposes of distinction, the first electrical connector is hereinafter referred to as a first electrical connector, and the second electrical connector is hereinafter referred to as a second electrical connector. The terminal in the first electrical connector is referred to as a first terminal, and the terminal in the second electrical connector is referred to as a blade terminal.

[0093] Figure 1 This is a schematic structural diagram of an electrical connector assembly according to an embodiment of the present application. Figure 1 As shown, in this embodiment, the electrical connector assembly includes a first electrical connector 10 and a second electrical connector 20. The first electrical connector 10 includes a first insulating housing 11 and a plurality of first terminals 12 disposed in the first insulating housing 11. The second electrical connector 20 includes a second insulating housing 21 and a plurality of blade terminals 22 disposed in the second insulating housing 21. The first insulating housing 11 and the second insulating housing 21 are, for example, plastic housings. By docking the first electrical connector 10 and the second electrical connector 20, the first terminals 12 and the blade terminals 22 are electrically connected, thereby achieving current conduction within the electrical connector assembly. The specific structures of the first electrical connector 10 and the second electrical connector 20 in this embodiment are described below in conjunction with the accompanying drawings.

[0094] like Figures 2 to 5As shown, the first electrical connector 10 further includes a back plate 13, a first adhesive layer 15 and a first sealing member 14. The first insulating shell 11 includes a first base 111 and a receiving portion 112, the first base 111 including a first side and a second side, the receiving portion 112 is provided on the first side of the first base 111, and the back plate 13 and the first adhesive layer 15 are provided on the second side of the first base 111. The receiving portion 112 is provided with a plurality of first mounting grooves 1121 for mounting the first terminals 12. The first sealing member 14 is sleeved on the outer side of the receiving portion 112. The outer side of the receiving portion 112 is further provided with a supporting portion 115, which is provided on the front side of the first base 111 and is located at the periphery of the receiving portion 112 close to the first base 111. The first seal 14 is located between the first base 111 and the abutting portion 115 to prevent the first seal 14 from being displaced in the front-to-back direction by the limiting action of the first base 111 and the abutting portion 115, thereby maintaining the positional stability of the first seal 14. The first seal 14 is, for example, a silicone seal ring, but the present application is not limited thereto. The multiple first terminals 12 include at least one first signal terminal 12a and at least one first power terminal 12b. In this embodiment, the first terminal 12 is described as including four first signal terminals 12a and two first power terminals 12b, but the present application is not limited thereto.

[0095] like Figure 4 、 Figure 6 and Figure 7 As shown, each of the first signal terminals 12a includes: a fixing portion 122a, including a first section 1221a, a second section 1222a, a third section 1223a and a fourth section 1224a, wherein the first section 1221a and the second section 1222a are spaced apart and opposite to each other, the third section 1223a and the fourth section 1224a are spaced apart and opposite to each other, and the first section 1221a, the third section 1223a, the second section 1222a and the fourth section 1224a are sequentially connected; at least one set of elastic clip arms 121a, respectively extending from the first side of the first section 1221a and the second section 1222a. Extending to clamp the contact portion of the corresponding second signal terminal (described in detail below); an embedded portion 123a extending from the second side of the first section 1221a in a direction away from the elastic clamping arm 121a; a first electrical connection portion 124a extending from the second side of the second section 1222a in a direction away from the elastic clamping arm 121a, for soldering connection with a cable or circuit board, and the length of the first electrical connection portion 124a is greater than the length of the embedded portion 123a; a pair of assembly portions 125a extending from the first side of the third section 1223a and the first side of the fourth section 1224a in a direction away from the embedded portion 123a. Figure 4As shown, the elastic clamping arm 121 a of the first signal terminal 12 a is disposed in the first mounting groove 1121 .

[0096] like Figure 8 and Figure 9 As shown, each of the first power terminals 12b includes: a fixing portion 122b, including a first section 1221b, a second section 1222b, a third section 1223b and a fourth section 1224b, the first section 1221b and the second section 1222b are spaced apart and opposite to each other, the third section 1223b and the fourth section 1224b are spaced apart and opposite to each other, and the first section 1221b, the third section 1223b, the second section 1222b and the fourth section 1224b are sequentially connected; at least one set of elastic clip arms 121b, respectively extending from the first side of the first section 1221b and the second section 1222b. Extending to clamp the contact portion of the corresponding second power terminal (described in detail below); an embedded portion 123b extending from the second side of the first section 1221b in a direction away from the elastic clamp arm 121b; a first electrical connection portion 124b extending from the second side of the second section 1222b in a direction away from the elastic clamp arm 121b, for soldering connection with a cable or circuit board, and the length of the first electrical connection portion 124b is greater than the length of the embedded portion 123b; a pair of assembly portions 125b extending from the first side of the third section 1223b and the first side of the fourth section 1224b in a direction away from the embedded portion 123b. Figure 4 As shown, the elastic clamping arm 121 b of the first power terminal 12 b is disposed in the first mounting groove 1121 .

[0097] Combine Figure 3 and Figure 4As can be seen, the backplate 13 is disposed on the second side of the first base portion 111. The first signal terminal 12a is inserted into the backplate 13, with the embedded portion 123a and the first electrical connection portion 124a protruding from the side of the backplate 13 away from the elastic clamping arm 121a. The first adhesive layer 15 is disposed on the side of the backplate 13 away from the elastic clamping arm 121a. The embedded portion 123a and the first electrical connection portion 124a are inserted into the first adhesive layer 15, with the first electrical connection portion 124a protruding from the side of the first adhesive layer 15 away from the backplate 13, and the embedded portion 123a embedded within the first adhesive layer 15. The first power terminal 12b cooperates with the backplate 13 and the first adhesive layer 15 in the same manner as the first signal terminal 12a. Therefore, in this embodiment, the first terminal 12 cooperates with the first insulating shell 11 through its assembly portion 125a / 125b, and cooperates with the back plate 13 and the first adhesive layer 15 through its embedded portion 123a / 123b, thereby improving the holding force between the first terminal 12 and the first insulating shell 11, making it less likely that the first terminal 12 will shift in position during use, thereby improving the reliability of the first electrical connector 10.

[0098] like Figure 7 As shown, the first signal terminal 12a is an integrally formed piece formed by bending sheet metal. The fourth section 1224a includes a first bent section formed by bending from the first section 1221a and a second bent section formed by bending from the second section 1222a. The junction of the first and second bent sections is welded. The assembly portion 125a connected to the fourth section 1224a includes a first assembly section extending from the first bent section and a second assembly section extending from the second bent section. The junction of the first and second assembly sections is welded. Because the fourth section 1224a is welded at welding location 1225a and the assembly portion 125a is welded at welding location 1225a, the first signal terminal 12a provides more current conduction paths, making the current density more uniform during use, and thus reducing the temperature rise of the first electrical connector 10 during use. At least one protrusion 1251a is formed on both side walls of the assembly portion 125a. After the first signal terminal 12a is inserted into the first insulating shell 11, the assembly portion 125a is inserted into the corresponding assembly groove inside the first insulating shell 11. The assembly portion 125a and the first insulating shell 11 are interference fit, and the protrusion 1251a interferes with the inner wall of the assembly groove, thereby further increasing the stability of the connection between the assembly portion 125a and the first insulating shell 11, so that the first signal terminal 12a is more stably maintained in the first insulating shell 11.

[0099] like Figure 9As shown, the first power terminal 12b is an integrally formed piece formed by bending sheet metal. The fourth section 1224b includes a first bent section formed by bending from the first section 1221b and a second bent section formed by bending from the second section 1222b. The junction of the first and second bent sections is welded. The assembly portion 125b connected to the fourth section 1224b includes a first assembly section extending from the first bent section and a second assembly section extending from the second bent section. The junction of the first and second assembly sections is welded. Because the fourth section 1224b is welded at welding location 1225b and the assembly portion 125b is welded at welding location 1225b, the first power terminal 12b provides more current conduction paths, making the current density more uniform during use, and thus reducing the temperature rise of the first electrical connector 10 during use. At least one protrusion 1251b is provided on both side walls of the assembly portion 125b. After the first power terminal 12b is inserted into the first insulating shell 11, the assembly portion 125b is inserted into the corresponding assembly groove inside the first insulating shell 11, and the protrusion 1251b interferes with the inner wall of the assembly groove, thereby further increasing the stability of the connection between the assembly portion 125b and the first insulating shell 11, so that the first power terminal 12b is more stably maintained in the first insulating shell 11.

[0100] like Figures 10-14 As shown, the interior of the first insulating shell 11 is provided with a plurality of protrusions 113, and the protrusions 113 are fixed to the back plate 13 by heat melting after passing through the back plate 13. Specifically, the back plate 13 is provided with holes corresponding to the protrusions 113, and the initial size of the end of the protrusion 113 is smaller than the size of the corresponding hole, so that during assembly, the protrusion 113 can be passed through the corresponding hole of the back plate 13, and then the end of the protrusion 113 is heat melted, so that the end of the protrusion 113 increases in size to be larger than the size of the corresponding hole due to heat melting, thus forming a relatively fixed connection with the back plate 13. The first insulating shell 11 and the back plate 13 cooperate to maintain the positional stability of the first terminal 12 and prevent the first terminal 12 from retreating during the plugging and unplugging process. In this embodiment, the interior of the first insulating shell 11 is provided with five protrusions 113, which are respectively provided at the four corners and the center position of the first insulating shell 11 to form a uniform and stable connection with the back plate 13, but the present application is not limited to this. A cross supporting portion 114 is provided at the inner center of the first insulating shell 11 . The cross supporting portion 114 abuts against the back plate 13 to provide support and positioning for the back plate 13 .

[0101] like Figure 14As shown, the back plate 13 is provided with a plurality of first through holes 132, and the first through holes 132 are located between the plurality of first terminals (the first signal terminal 12a and the first power terminal 12b). The positions of the first through holes 132 can be set according to the specific arrangement of the first terminals. For example, the first through hole 132 can be set between the first signal terminal 12a and the first power terminal 12b, or the first through hole 132 can be set between the upper first signal terminal 12a and the lower first signal terminal 12a. When the first glue layer is formed, the glue will flow into the interior of each first through hole 132, so that the first terminals are isolated by the glue, thereby achieving waterproofing between the first terminals.

[0102] Combine Figure 4 、 Figure 5 and Figure 15 It can be seen that in this embodiment, a plurality of mating portions 131 are provided on the side of the back plate 13 facing the elastic clamping arms 121a / 121b, and the mating portions 131 are inserted into the fixing portions 122a of the first signal terminal 12a and the fixing portions 122b of the first power terminal 12b, thereby ensuring that the first signal terminal 12a and the first power terminal 12b are not affected during the plugging and unplugging process and providing better retention force.

[0103] like Figure 17 and Figure 18 As shown, in this embodiment, the second electrical connector 20 includes: a second insulating shell 21; a plurality of blade terminals 22, the blade terminals 22 are inserted into the second insulating shell 21 and protrude from the first side and the second side of the second insulating shell 21 respectively; a second adhesive layer 25, provided on the second side of the second insulating shell 21; a second sealing member 24, provided on the outside of the second insulating shell 21. The second insulating shell 21 includes a second base 211 and a matching portion 212, and the second base 211 includes a first side and a second side. The matching portion 212 is provided on the first side of the second base 211. Figure 21 As shown, the matching portion 212 is provided with a plurality of second mounting grooves 2121, and the sheet terminals 22 are inserted into the second mounting grooves 2121. Figures 19-21 As shown, a plurality of steps 213 are provided on a first side of the mating portion 212, and the second sealing member 24 includes a stepped mating portion 2411 provided on the exterior of the stepped portion 213. The surface of the stepped mating portion 2411 is substantially flush with the surface of the stepped portion 213. The stepped mating portion 2411 of the second sealing member 24 mates with the stepped portion 213 of the second insulating housing 21, thereby improving the connection stability between the second sealing member 24 and the second insulating housing 21. Even in the case of repeated insertion and removal, the second sealing member 24 can remain stably fixed to the surface of the second insulating housing 21.

[0104] In this embodiment, the second insulating housing 21 and the plurality of blade terminals 22 are integrally formed through an insert molding process, thereby ensuring the stability of the blade terminals 22 fixed to the second insulating housing 21. The plurality of blade terminals 22 include at least one second signal terminal 22a and at least one second power terminal 22b. This embodiment illustrates an example in which the second electrical connector 20 includes four second signal terminals 22a and two second power terminals 22b, but the present application is not limited thereto.

[0105] like Figure 18 As shown, the second signal terminal 22a includes a contact portion 221a and a second electrical connection portion 222a. A protruding retaining portion 223a is provided on either side of the contact portion 221a. The retaining portion 223a cooperates with the second insulating housing 21 to further enhance the stability of the second signal terminal 22a within the second insulating housing 21, making it less susceptible to positional displacement during use. The second electrical connection portion 222a is designed for soldering to a cable or circuit board. A connection hole 2221a is provided at its end to provide better retention during soldering and prevent excessive solder creep.

[0106] like Figure 18 and Figure 20 As shown, the second power terminal 22b includes a contact portion 221b and a second electrical connection portion 222b. A protruding retaining portion 223b is provided on either side of the contact portion 221b. The retaining portion 223b cooperates with the second insulating housing 21 to further enhance the stability of the second power terminal 22b within the second insulating housing 21, making it less susceptible to positional displacement during use. The second electrical connection portion 222b is used for soldering to a cable or circuit board. A connection hole 2221b is provided at its end to provide better retention during soldering and prevent excessive solder creep.

[0107] In this embodiment, the second sealing member 24 is a silicone sealing ring. However, the present application is not limited thereto. Figure 20 and Figure 21 As shown, the two long sides of the second base 211 are respectively provided with a row of second through holes 2111. Figure 23 and Figure 24As shown, the second sealing member 24 includes a first sealing portion 241, a second sealing portion 242, and a plurality of connecting posts 243. The first sealing portion 241 and the second sealing portion 242 are connected by the plurality of connecting posts 243. The first sealing portion 241 is located on the first side of the second base portion 211, the second sealing portion 242 is located on the second side of the second base portion 211, and the plurality of connecting posts 243 are located within the second through-hole 2111. The second sealing member 24 can be formed using a liquid injection molding (LIM) process, sealing both surfaces of the second insulating housing 21 in one step, reducing installation and material costs. The connecting posts 243 enhance the overall structural stability of the second sealing member 24. The mating between the connecting posts 243 and the second through-hole 2111 of the second base portion 211 strengthens the connection strength between the second sealing member 24 and the second insulating housing 21, thereby improving the sealing effect of the second sealing member 24. In this embodiment, based on the size of the second electrical connector 20, the second through-holes 2111 of the second base portion 211 are located on the two long sides. Correspondingly, the connecting posts 243 of the second sealing member 24 are located only on the two long sides. Preferably, the connecting posts can be positioned circumferentially around the second base portion 211 (i.e., on the two long sides and the two short sides). As long as they do not axially overlap with the lips of the first and second sealing portions 241, 242, a sufficient sealing effect can be achieved.

[0108] The above content is a further detailed description of the present application in conjunction with specific preferred embodiments, and the specific implementation of the present application cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present application belongs, several simple deductions or substitutions can be made without departing from the concept of the present application, and all of them should be considered to fall within the scope of protection of the present application.

Claims

1. A terminal, characterized in that: include: a fixing portion, comprising a first section, a second section, a third section, and a fourth section, wherein the first section and the second section are spaced apart and opposite to each other, the third section and the fourth section are spaced apart and opposite to each other, and the first section, the third section, the second section, and the fourth section are sequentially connected; at least one set of elastic clip arms extending from the first side of the first section and the second section respectively; an embedded portion extending from the second side of the first section toward a direction away from the elastic clamping arm; an electrical connection portion extending from the second side of the second section in a direction away from the elastic clip arm, wherein the length of the electrical connection portion is greater than the length of the embedded portion; A pair of assembly portions extend from the first side of the third section and the first side of the fourth section respectively in a direction away from the embedded portion.

2. The terminal according to claim 1, wherein: The fourth section is formed by bending the first section and / or the second section.

3. The terminal according to claim 2, characterized in that The fourth section includes a first bending section formed by bending the first section and a second bending section formed by bending the second section. The junction of the first bending section and the second bending section is connected and conducted by welding.

4. The terminal according to claim 3, characterized in that The assembly portion connected by the fourth section includes a first assembly section extending from the first bending section and a second assembly section extending from the second bending section. The junction of the first assembly section and the second assembly section is connected and conducted by welding.

5. The terminal according to claim 1, wherein: At least one protrusion is provided on both side walls of the assembly portion.

6. An electrical connector, characterized in that: include: an insulating housing comprising a first side and a second side; A plurality of terminals according to any one of claims 1 to 5, inserted into the interior of the insulating housing; a back plate disposed on the second side of the insulating housing, wherein the terminal is inserted into the back plate, and the embedded portion and the electrical connection portion protrude from a side of the back plate away from the elastic clamping arm; an adhesive layer disposed on a side of the back plate away from the elastic clamping arm, the embedded portion and the electrical connection portion being inserted into the adhesive layer, and the electrical connection portion protruding from the side of the adhesive layer away from the back plate; A sealing member is arranged outside the insulating shell.

7. The electrical connector according to claim 6, wherein: The insulating shell includes a base and a receiving portion, wherein the receiving portion is arranged on a first side of the base, and a plurality of mounting slots are arranged in the receiving portion, wherein the elastic clamping arms of the terminals are arranged in the mounting slots.

8. The electrical connector according to claim 7, wherein: The outer side of the receiving portion is further provided with a supporting portion, the sealing member is sleeved on the outer side of the receiving portion, and the sealing member is located between the base and the supporting portion.

9. The electrical connector according to claim 6, wherein: A plurality of protrusions are provided inside the insulating shell, and the protrusions pass through the back plate and are fixed relative to the back plate by hot melting.

10. The electrical connector according to claim 6, wherein: A cross supporting portion is provided inside the insulating shell, and the cross supporting portion is in contact with the back plate.

11. The electrical connector according to claim 6, wherein: A plurality of matching portions are provided on one side of the back plate facing the elastic clamping arm, and the matching portions are inserted into the fixing portions of the terminals.

12. The electrical connector according to claim 6, wherein: The back plate is provided with a plurality of through holes, and the through holes are located between the plurality of terminals.

13. An electrical connector, characterized in that: include: an insulating housing, wherein a first side of the insulating housing is provided with a plurality of step portions; a plurality of blade terminals, the blade terminals being inserted into the insulating housing and protruding from a first side and a second side of the insulating housing respectively; an adhesive layer, disposed on the second side of the insulating housing; A sealing member is provided on the outside of the insulating shell, and the sealing member includes a step matching portion provided on the outside of the step portion.

14. The electrical connector according to claim 13, wherein: The insulating housing includes a base and a matching portion, and at least one side of the base is provided with a row of through holes; The sealing member includes a first sealing portion, a second sealing portion and a plurality of connecting columns, the first sealing portion and the second sealing portion are connected by the plurality of connecting columns, the first sealing portion is located on the first side of the base, the second sealing portion is located on the second side of the base, and the plurality of connecting columns are located in the through hole.

15. The electrical connector according to claim 14, wherein: Two long sides of the base are respectively provided with a row of through holes.

16. The electrical connector according to claim 13, wherein: The sheet terminal includes a contact portion and an electrical connection portion, and a protruding retaining portion is provided on both sides of the contact portion.

17. An electrical connector assembly, characterized in that: The invention comprises an electrical connector according to any one of claims 6 to 12 and an electrical connector according to any one of claims 13 to 16.

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