TWI792927B - Electrical connector structure, method of manufacturing the same, and electrical connector assembly - Google Patents

Abstract

An electrical connector structure includes an insulating housing and an electrical connection structure. The insulating housing has at least one accommodating groove. The electrical connection structure includes an insulating base material and a metal layer disposed on the surface of the insulating base material, and the metal layer forms a circuit. The electrical connection structure is arranged in the accommodating groove of the insulating housing, and at least one end of the electrical connection structure extends to the outside of the accommodating groove, and at least one end has a bending structure, and the metal layer is located on an outer side of the bending structure relative to in the insulating base material.

Description

Electrical connector structure, its manufacturing method and electrical connector assembly

The present invention relates to an electrical connector structure, its manufacturing method and electrical connector assembly, in particular to an electrical connector structure formed by embedding and injecting a flexible circuit structure, its manufacturing method and electrical connector assembly. connector assembly.

In modern electronic equipment, printed circuit boards (PCB) need to be electrically connected through connectors to achieve signal transmission. At present, most electrical connectors are connected by flexible printed circuit (FPC) or flexible flat row An electrical connector composed of a flexible flat cable (FFC), a conductive terminal, and a connection housing. Although the electrical connector can achieve electrical connection and use, it still has the following deficiencies. For example, FPC or FFC are mostly connected to the conductive terminals of the electrical connector circuit board by welding or bonding, but the welding area is small, difficult to weld and easy to short circuit. Furthermore, FPC or FFC are both flexible circuit structures. Therefore, it is more difficult to locate and support, and therefore, the methods of assembling and manufacturing are relatively difficult and cumbersome.

Furthermore, due to the above-mentioned characteristics of FPC or FFC, some manufacturing processes of existing electrical connectors are to first form conductive terminals by stamping, fitting, and welding metal strips, and then connect FPC or FFC to conductive terminals. Assembled in an insulated connector body, however, this method not only consumes a lot of time and material costs, but also the final product size of the electrical connector is due to the structure Due to the limitation of the electronic device, it is impossible to effectively shrink it, resulting in no breakthrough in the size of electronic equipment.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and related manufacturers engaged in this industry want to study and improve.

In view of this, the object of the present invention is to provide an electrical connector structure and a manufacturing method thereof. It uses the existing flexible printed circuit (FPC) or flexible flat cable (FFC) directly placed in the mold to form an insulating shell by insert molding, which can simplify the production The manufacturing process of the electrical connector can also form multiple contact points through the design of the bending structure of the electrical connection structure, thereby replacing the metal conductive terminals of the traditional electrical connector, making it unnecessary to assemble additional metal conductive terminals, insulating shells, etc. Parts can be formed into electrical connectors, which can reduce the process time and reduce the volume space of electrical connectors, effectively improve the problem of large and limited traditional electrical connectors, and achieve the advantages of size reduction, time saving and cost reduction.

An embodiment of the electrical connector structure of the present invention includes at least one insulating shell and at least one electrical connection structure. The insulating shell has a receiving groove. The electrical connection structure includes an insulating base material and a metal layer arranged on the surface of the insulating base material, and the metal layer forms a circuit. The electrical connection structure is arranged in the accommodating groove of the insulating housing, and at least one end of the electrical connection structure extends to the outside of the accommodating groove, and at least one end has a bent structure, and the metal layer is located in the accommodating groove relative to the insulating base material. The outer surface of the bent structure; wherein the electrical connection structure and the insulating shell system are combined by insert molding; further, the electrical connection structure is either a flexible circuit board or a flexible flat cable.

In another embodiment, the insulating housing further has at least one protrusion, the at least one protrusion is disposed on the side of the insulating housing and adjacent to the accommodating groove, and the other end of the electrical connection structure extends to the at least one protrusion , and the insulating base material is located between the metal layer and the protrusion.

In another embodiment, the insulating case further has at least one recess, at least one recess is disposed on the side of the insulating case, and the accommodating groove is located at the bottom of the at least one recess, and the other end of the electrical connection structure extends to at least A recess, and the insulating base material is located between the metal layer and the recess.

In another embodiment, one side wall of the recess is flush with the wall of the containing groove, the other end of the electrical connection structure extends horizontally from the containing groove to the side wall of the recess, and the insulating base material is located between the metal layer and the containing groove. between the side walls of the recess.

In another embodiment, it further includes a plurality of the electrical connection structures, wherein the insulating housing has a plurality of accommodating grooves, and the electrical connection structures are respectively disposed in the accommodating grooves.

In another embodiment, it further includes a plurality of electrical connection structures and a plurality of insulating housings, wherein each of the insulating housings has an accommodating groove, and the electrical connecting structures are respectively arranged in the accommodating slots. In the groove, and the sides of each of the insulating shells are closely connected.

In another embodiment, each of the insulating shells is closely connected by the side edges of each of the insulating shells in an adhesive manner.

In another embodiment, each of the insulating shells is closely connected by the sides of each of the insulating shells in a buckle manner.

In another embodiment, at least one female buckle is provided on one long side of the insulating housing; and at least one male buckle corresponding to the female buckle is provided on the other long side of the insulating housing pieces.

The present invention provides an electrical connector assembly, which includes a first electrical connector and a second electrical connector; wherein, the first electrical connector includes an insulating shell and an electrical connection structure, and the insulating shell has An accommodating groove, the electrical connection structure includes an insulating base material and a metal layer arranged on the surface of the insulating base material, and the metal layer forms a circuit. The electrical connection structure is set on In the accommodating groove of the insulating housing, at least one end of the electrical connection structure extends to the outside of the accommodating groove, at least one end has a bent structure, and the metal layer is located on the outer side of the bent structure relative to the insulating base material ; Wherein the electrical connection structure and the insulating shell system are combined by insert molding (insert molding), further, the electrical connection structure is either a flexible circuit board or a flexible flat cable, wherein the insulating shell has at least A protruding part, at least one protruding part is arranged on the side of the insulating housing and adjacent to the accommodating groove, the other end of the electrical connection structure extends to the at least one protruding part, and the insulating base material is located between the metal layer and the protruding part . The second electrical connector includes an insulating shell and an electrical connection structure, the insulating shell has an accommodating groove, and the electrical connection structure includes an insulating base material and a metal layer arranged on the surface of the insulating base material , the metal layer forms the circuit. The electrical connection structure is arranged in the accommodating groove of the insulating housing, and at least one end of the electrical connection structure extends to the outside of the accommodating groove, and at least one end has a bent structure, and the metal layer is located in the accommodating groove relative to the insulating base material. The outer surface of the bending structure; wherein the electrical connection structure and the insulating shell system are combined by insert molding, and further, the electrical connection structure is either a flexible circuit board or a flexible flat cable, wherein The insulating housing further has at least one recess, at least one recess is disposed on the side of the insulating housing, and the accommodating groove is located at the bottom of the at least one recess, the other end of the electrical connection structure extends to the at least one recess, and the insulating substrate It is located between the metal layer and the recess. Wherein, the convex portion of the first electrical connector is inserted into the concave portion of the second electrical connector, so that the metal layer of the electrical connection structure of the first electrical connector is in contact with the metal layer of the electrical connection structure of the second electrical connector to form an electrical connection.

The invention provides a method for manufacturing an electrical connector structure, which includes step A: forming a metal layer on an insulating substrate to form an electrical connection structure; step B: placing at least one of the electrical connection structures in a mold Insulating plastic is injected into the mold to form an insulating casing covering at least one of the electrical connection structures by insert molding, the insulating casing forms at least one accommodating groove, and the electrical The connecting structure is located in the at least one accommodating groove, and the at least one accommodating groove runs through opposite end surfaces of the insulating housing, and the electrical connecting structure is connected from the at least one accommodating groove. Two ends of a receiving groove are pierced; step C: cutting the electrical connection structure adjacent to the receiving groove, and exposing the electrical connecting structure to a predetermined length of the receiving groove; and step D: bending The electrical connection structure of the accommodating groove is folded out so that the electrical connection structure abuts against the end surface of the insulating housing, and the insulating base material is located between the metal layer and the insulating housing.

In another embodiment of the manufacturing method of the electrical connector structure, the insulating housing further has at least one protrusion, the at least one protrusion is disposed on a side of the insulating housing and adjacent to the receiving groove, and electrically connected to the other end of the structure The portion extends to at least one protrusion, and the insulating base material is located between the metal layer and the protrusion.

In another embodiment of the manufacturing method of the electrical connector structure, the insulating housing further has at least one recess, the at least one recess is disposed on the side of the insulating housing, and the accommodating groove is located at the bottom of the at least one recess, the electrical connection structure The other end of the other end extends to at least one recess, and the insulating base material is located between the metal layer and the recess.

In another embodiment of the method for manufacturing an electrical connector structure, in step B, a plurality of electrical connection structures are placed in a mold, and an insulating plastic is injected into the mold to form a coating covering the electrical connection structures. The insulating casing, the insulating casing forms a plurality of accommodating grooves, the electrical connection structures are respectively located in the accommodating grooves, the accommodating grooves run through the opposite two ends of the insulating casing, and the electrical connecting structures are from The two ends of these accommodating grooves pass through.

In another embodiment of the manufacturing method of an electrical connector structure, in step B, a plurality of electrical connection structures are placed in a mold, and insulating plastic is injected into the mold to form a plurality of coatings covering the electrical connections structure of the insulating housing, each of the insulating housings respectively forms a housing groove, and the electrical connection structures are respectively located in the housing grooves, the housing grooves run through the opposite end surfaces of the insulating housing, and the electrical connection structures are respectively located in the housing grooves. The structure passes through both ends of the accommodating groove.

In another embodiment of the manufacturing method of the electrical connector structure, it further includes a plurality of the electrical connection structures and a plurality of the insulating shells, wherein the insulating shells respectively have the capacity The electrical connection structures are respectively arranged in the accommodating grooves, and the sides of the insulating housings are closely connected.

In another embodiment of the manufacturing method of the electrical connector structure, each of the insulating shells is closely connected by the sides of each of the insulating shells in an adhesive manner.

In another embodiment of the manufacturing method of the electrical connector structure, each of the insulating shells is closely connected by the sides of each of the insulating shells in a buckle manner.

In another embodiment of the manufacturing method of the electrical connector structure, at least one female buckle is provided on one long side of the insulating housing; and at least one corresponding clip is provided on the other long side of the insulating housing. The male clip that fastens to the female clip.

In the electrical connector structure of the present invention, the electrical connection structure having an insulating base material and a metal layer is placed in a mold, and an insulating shell covering the electrical connection structure is formed by embedded injection molding, which is exposed to the insulating shell. The electrical connection structure of the casing exposes the side with the metal layer in a bent manner to become a terminal of the electrical connector. In addition, a male connector or a female connector is formed by forming a convex portion or a concave portion on the insulating case.

10: Electrical connection structure

11: Insulation substrate

12: Metal layer

13: Bending structure

20, 20': insulating shell

21: storage tank

22: end face

23: convex part

24: Concave

241: bottom

242: side wall

25: Female snap fastener

26: Male card fastener

100, 100’, 100”: electrical connector structure

1000: Electrical connector assembly

A, B, C, D: steps

FIG. 1 is a schematic diagram of a plurality of insulating shells embedded and injection-molded in a mold for an electrical connection structure in the manufacturing method of the electrical connector structure of the present invention.

FIG. 2 is a schematic diagram of an insulating case covering a section of the electrical connection structure after cutting the electrical connection structure in FIG. 1 .

FIG. 3 and FIG. 4 are schematic views of the electrical connection structure protruding from the insulating housing in FIG. 2 to form an electrical connector structure after being bent.

Fig. 5 is a side view of the electrical connector structure in Fig. 3 and Fig. 4 .

FIG. 6A is a schematic diagram of a second embodiment of an electrical connector structure formed by covering a plurality of electrical connection structures with an insulating casing.

FIG. 6B is a schematic diagram of a third embodiment of an electrical connector structure formed by covering a plurality of electrical connection structures with a plurality of insulating shells.

FIG. 7 is a schematic diagram of another embodiment of forming protrusions on the insulating housing in the manufacturing method of the electrical connector structure of the present invention.

FIG. 8 is a schematic diagram of the electrical connector structure obtained by cutting the electrical connection structure in the structure of FIG. 7 .

FIG. 9 is a perspective view of another perspective of the electrical connector structure in FIG. 8 .

FIG. 10 is a schematic diagram of an embodiment of an electrical connector structure formed by snap-fitting of a plurality of convex insulating shells.

FIG. 11 is a schematic diagram of yet another embodiment of forming a concave portion on the insulating housing in the manufacturing method of the electrical connector structure of the present invention.

FIG. 12 is a schematic diagram of an electrical connector structure obtained by cutting the electrical connection structure in the structure of FIG. 11 .

Fig. 13 is a perspective view of the electrical connector structure in Fig. 12 from another perspective.

FIG. 14 is a schematic diagram of an embodiment of an electrical connector structure formed by snap-fitting of a plurality of recessed insulating shells.

FIG. 15 is a schematic diagram of the electrical connector in FIG. 8 combined with the electrical connector in FIG. 11 to form an electrical connector assembly.

FIG. 16 is a flow chart of the manufacturing method of the electrical connector structure in FIG. 1 .

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, which represent an embodiment of the structure of the electrical connector of the present invention, please also refer to Fig. 14.

As shown in Figure 14, in the manufacturing method of the electrical connector structure of this embodiment, in step A, a metal layer is formed on an insulating substrate, and the metal layer includes circuit patterns and wiring, etc., thereby forming An electrical connection structure, that is, the electrical connection structure connects different electronic components to form an electrical connection between the electronic components. Then go to step B.

In step B, please refer to FIG. 1 together, place at least one electrical connection structure 10 in a mold, and use an insert molding process to inject insulating plastic into the mold to form a coating on at least one An insulating casing 20 electrically connected to the structure 10 . In this embodiment, a plurality of insulating shells 20 are formed along the extending direction of an electrical connection structure 10 . Each insulating shell 20 forms an accommodating groove 21 , and the electrical connection structure 10 is located in the accommodating groove 21 . The accommodating groove 21 runs through opposite two ends of the insulating housing 20 , and the electrical connection structure 10 passes through the two ends of the accommodating groove 21 . Then go to step C.

In step C, the electrical connection structure 10 is cut adjacent to the receiving groove 21 , and the electrical connecting structure 10 is exposed to the receiving groove 21 for a predetermined length, as shown in FIG. 2 . The predetermined length of the accommodating groove 21 exposed from the electrical connection structure 10 of the present embodiment is 0.3 mm to 0.5 mm. Then go to step D.

In step D, as shown in FIG. 3 , FIG. 4 and FIG. 5 , the electrical connection structure 10 exposing the accommodating groove 21 of the insulating case 20 is bent, so that the electrical connection structure 10 abuts against the insulating case The end surface 22 of the body 20 , the insulating base material 11 is located between the metal layer 12 and the insulating shell 20 , thereby forming an electrical connector structure 100 .

As shown in FIG. 5 , the electrical connector structure 100 manufactured by the manufacturing method of the electrical connector structure of the present invention includes an electrical connection structure 10 and an insulating housing 20 . The insulating case 20 has Accommodating groove 21. The electrical connection structure 10 includes an insulating substrate 11 and a metal layer 12 disposed on the surface of the insulating substrate 11. The metal layer 12 forms a circuit pattern or wiring. The electrical connection structure 10 of this embodiment can be an existing flexible Circuit board (flexible printed circuit, FPC) or flexible flat cable (flexible flat cable, FFC). The electrical connection structure 10 is disposed in the accommodating groove 21 of the insulating housing 20 . The two ends of the electrical connection structure 10 in this embodiment extend to the outside of the accommodating groove 21, the two ends form a bent structure 13, and the metal layer 12 is located on the outer side of the bent structure 13 relative to the insulating substrate 11, that is, The insulating base material 11 is located between the metal layer 12 and the insulating casing 20 . In this way, the outer metal layer 12 can be in contact with other electronic components to achieve the function of electrical connection.

Please refer to Figures 6A and 6B, which show the second embodiment and the third embodiment of the electrical connector structure of the present invention. As shown in Figure 6A, it is a schematic diagram of a second embodiment of an electrical connector structure formed by covering multiple electrical connection structures with an insulating shell. The electrical connector structure in this embodiment is shown in Figure 16 In step B shown, a plurality of electrical connection structures 10 are placed in a mold, and an insulating plastic is injected into the mold by using an insert molding process to form a covering on the electrical connection structures 10 The insulating housing 20', the insulating housing 20' forms a plurality of accommodating grooves 21, a plurality of electrical connection structures 10 are respectively located in the plurality of accommodating grooves 21, and the plurality of accommodating grooves 21 run through the insulating housing 20' Opposite the two ends, a plurality of electrical connection structures 10 pass through two ends of the plurality of accommodating grooves 21 . Next, as in step C and step D of FIG. 16 , the plurality of electrical connection structures 10 are cut at both ends of the insulating housing 20 ′ to expose the plurality of electrical connection structures 10 to an appropriate length, and then the electrical connection structures 10 are respectively exposed to an appropriate length. The part of the permanent connecting structure 10 exposed to the insulating shell 20' is bent to form a bent structure 13 at both ends of the insulating shell 20', and the metal layer 12 is located on the outer side of the bent structure 13 relative to the insulating base material 11, That is, the insulating base material 11 is located between the metal layer 12 and the insulating shell 20 to form a multi-point contact electrical connector. As shown in Figure 6B, a plurality of electrical connection structures are covered by a plurality of insulating shells The schematic diagram of the third embodiment of the formed electrical connector structure. In the electrical connector structure of this embodiment, in step B shown in FIG. 16, a plurality of electrical connection structures 10 are placed in the mold, and using In the process of insert molding, insulating plastic is injected into the mold to form a plurality of insulating shells 20 covering the electrical connection structures 10. The insulating shells 20 form a receiving groove 21, and a plurality of electrical connections are formed. The electrical connection structures 10 are respectively located in the accommodation grooves 21 , the accommodation grooves 21 run through opposite two ends of the insulating housing 20 , and a plurality of electrical connection structures 10 pass through the two ends of the accommodation grooves 21 . In another embodiment, the insulating shells 20 are closely connected by the sides of the insulating shells 20 to form a multi-point contact electrical connector. Please also refer to Figure 10, which is a schematic diagram of an embodiment of an electrical connector structure formed by snap-fitting a plurality of convex insulating shells, and Figure 14 is a schematic diagram of an electrical connector formed by snap-fitting a plurality of concave insulating shells. A schematic diagram of an embodiment of the connector structure. In one embodiment, at least one female buckle 25 is provided on one long side of the insulating housing 20; The male buckle 26 corresponding to the female buckle 25 is buckled, and each of the insulating housings 20 fastens the male buckle 26 and the female buckle 25 from the side of each insulating housing 20 in a buckling manner. Assembled to form a multi-point contact electrical connector. Further, there are two female buckling parts 25 and two male buckling parts 26 , which are respectively disposed on two long sides of the insulating housing 20 and disposed on two sides opposite to the electrical connection structure 10 . Accordingly, the assembly and manufacturing time can be saved through the buckle design, and the production cost can be effectively reduced.

Please refer to FIG. 7, FIG. 8 and FIG. 9, which represent yet another embodiment of the electrical connector structure of the present invention. As shown in FIG. 7, the electrical connector structure 100' of this embodiment is formed in step B of FIG. 14, when the insulating housing 20 is formed, the insulating housing 20 has at least one protrusion 23 through the design of the mold. , the insulating case 20 of this embodiment has at least one protrusion 23 , and the protrusion 23 is disposed on a side of the insulating case 20 and adjacent to the accommodating groove 21 . As shown in Figure 9, one end of the electrical connection structure 10 The accommodating groove 21 is extended to be exposed, and the electrical connection structure 10 exposing the accommodating groove 21 is bent, which is the same as the structure in FIG. 3 or FIG. 4 . As shown in Figure 8, the other end of the electrical connection structure 10 extends to the convex portion 23 and the other end of the electrical connection structure 10 is not bent but flat against the surface of the convex portion 23, and the insulating substrate 11 It is located between the metal layer 12 and the protrusion 23 .

Please refer to Fig. 11, Fig. 12 and Fig. 13, which represent yet another embodiment of the electrical connector structure of the present invention. As shown in FIG. 11, the electrical connector structure 100" of this embodiment is formed in step B of FIG. 16, when the insulating housing 20 is formed, the insulating housing 20 has at least one recess 24 through the design of the mold, The insulating housing 20 of this embodiment has at least one recess 24, the recess 24 is arranged on the side of the insulating housing 20 and adjacent to the accommodation groove 21. As shown in Figure 13, one end of the electrical connection structure 10 extends out of the accommodation Place the groove 21, and expose the electrical connection structure 10 of the accommodation groove 21 to bend, which is the same as the structure in Figure 3 or Figure 4. As shown in Figure 12, the accommodation groove 21 is located at a bottom of the recess 24 241, the other end of the electrical connection structure 10 extends to the recess 24 and the other end of the electrical connection structure 10 is not bent but flat against the surface of the recess 24, and the insulating substrate 11 is located between the metal layer 12 and the recess 24 The side wall 242 of the recess 24 in this embodiment is flush with the wall surface of the accommodating groove 21, the other end of the electrical connection structure 10 extends horizontally from the accommodating groove 21 to the side wall of the recess 24, and the insulating substrate 11 is located between the metal layer 12 and the sidewall 242 of the concave portion 24 .

Please refer to FIG. 15, which shows an embodiment of the electrical connector assembly of the present invention. The electrical connector assembly 1000 of this embodiment is a combination of the electrical connector structure 100' in Figure 8 and the electrical connector structure 100" in Figure 12. The electrical connector structure 100' in Figure 8 has a convex portion 23, thus forming a male connector, and the electrical connector structure 100" in Fig. 12 has a recess 24, thus forming a female connector. The protrusion 23 of the electrical connector structure 100' is inserted into the recess 24 of the electrical connector structure 100", so that the metal layer 12 of the electrical connection structure 10 disposed on the protrusion 23 of the electrical connector structure 100' and The metal layer 12 of the electrical connection structure 10 disposed on the concave portion 24 of the electrical connector structure 100 ″ contacts to form an electrical connection.

In the electrical connector structure of the present invention, the electrical connection structure having an insulating base material and a metal layer is placed in a mold, and an insulating shell covering the electrical connection structure is formed by embedded injection molding, which is exposed to the insulating shell. The electrical connection structure of the casing exposes the side with the metal layer in a bent manner to become a terminal of the electrical connector. In addition, a male connector or a female connector is formed by forming a convex portion or a concave portion on the insulating case.

But what is described above is only a preferred embodiment of the present invention, and should not limit the scope of implementation of the present invention with this, that is, all simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the description of the invention, All still belong to the scope covered by the patent of the present invention. In addition, any embodiment or scope of claims of the present invention does not necessarily achieve all the objectives or advantages or features disclosed in the present invention. In addition, the abstract and the title are only used to assist the search of patent documents, and are not used to limit the scope of rights of the present invention. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name elements (elements) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. upper or lower limit.

10: Electrical connection structure

11: Insulation substrate

12: Metal layer

13: Bending structure

20: Insulation shell

21: storage tank

22: end face

100: Electrical connector structure

Claims (20)

An electrical connector structure comprising at least: at least one insulating shell (20), having at least one accommodating groove (21); and At least one electrical connection structure (10), comprising an insulating substrate (11) and a metal layer (12) disposed on the surface of the insulating substrate (11), the metal layer (12) forming a circuit; Wherein the electrical connection structure (10) is arranged in the accommodating groove (21) of the insulating housing (20), and at least one end of the electrical connection structure (10) extends to the accommodating groove (21) Outside, the at least one end has a bent structure (13), and the metal layer (12) is located on the outer side of the bent structure (13) relative to the insulating substrate (11); wherein the electrical connection structure (10) is combined with the insulating case (20) by insert molding; further, the electrical connection structure (10) is either a flexible circuit board or a flexible flat cable. The electrical connector structure according to claim 1, wherein the insulating housing (20) further has at least one protrusion (23), and the at least one protrusion (23) is arranged on the side of the insulating housing (20) And adjacent to the accommodating groove (21), the other end of the electrical connection structure (10) extends to the at least one protrusion (23), and the insulating base material (11) is located between the metal layer (12) and the between the protrusions (23). The electrical connector structure according to claim 1, wherein the insulating housing (20) further has at least one recess (24), and the at least one recess (24) is arranged on a side of the insulating housing (20), and The accommodating groove (21) is located at a bottom (241) of the at least one recess (24), the other end of the electrical connection structure (10) extends to the at least one recess (24), and the insulating substrate ( 11) Located between the metal layer (12) and the recess (24). The electrical connector structure according to claim 3, wherein the side wall (242) of the recess (24) is flush with the wall of the accommodating groove (21), and the other end of the electrical connection structure (10) extending horizontally from the accommodating groove (21) to the side wall (242) of the recess (24), and the insulating substrate (11) is located between the metal layer (12) and the side wall (242) of the recess (24) between. The electrical connector structure according to any one of claims 1 to 4, which further includes a plurality of the electrical connection structures (10), wherein the insulating housing (20) has a plurality of the accommodating grooves (21) , the electrical connection structures (10) are respectively arranged in the accommodating grooves (21). The electrical connector structure according to any one of claims 1 to 4, which further includes a plurality of the electrical connection structures (10) and a plurality of the insulating shells (20), wherein the insulating shells (20 ) respectively have the accommodating grooves (21), the electrical connection structures (10) are respectively arranged in the accommodating grooves (21), and the sides of the insulating shells (20) are closely connected. The electrical connector structure as described in Claim 6, wherein each of the insulating shells (20) is closely connected by the sides of each of the insulating shells (20) in an adhesive manner. The electrical connector structure according to claim 6, wherein each of the insulating shells (20) is closely connected by the sides of each of the insulating shells (20) in a buckle manner. The electrical connector structure as described in claim 8, wherein one long side of the insulating housing (20) is provided with at least one female buckle; and the other long side of the insulating housing (20) is provided with At least one male buckle correspondingly fastened to the female buckle. An electrical connector assembly, the electrical connector assembly (1000) at least includes: A first electrical connector, which has the electrical connector structure (100') as claimed in claim 2; and A second electrical connector, which has the electrical connector structure (100 ″) as described in Claim 3 or 4; Wherein the protrusion (23) of the first electrical connector is inserted into the recess (24) of the second electrical connector, so that the metal layer of the electrical connection structure (10) of the first electrical connector (12) Contacting the metal layer (12) of the electrical connection structure (10) of the second electrical connector to form an electrical connection. The electrical connector assembly as claimed in claim 10, wherein the first electrical connector is a male connector; the second electrical connector is a female connector. A method of manufacturing an electrical connector structure, which at least includes the following steps: Step A: forming a metal layer on an insulating substrate to form an electrical connection structure; Step B: placing at least one of the electrical connection structures in a mold, and injecting insulating plastic into the mold to form an insulating shell covering the at least one electrical connection structure by insert molding , the insulating housing forms at least one accommodating groove, the electrical connection structure is located in the at least one accommodating groove, the at least one accommodating groove runs through opposite end surfaces of the insulating housing, and the electrical connecting structure extends from the at least one accommodating groove Two ends of the accommodating groove pass through; Step C: cutting the electrical connection structure adjacent to the accommodation groove, and exposing the electrical connection structure to the accommodation groove for a predetermined length; and Step D: Bending the electrical connection structure exposing the accommodating groove, making the electrical connection structure abut against the end surface of the insulating case, and the insulating base material is located between the metal layer and the insulating case. The manufacturing method of the electrical connector structure according to claim 12, wherein the insulating housing further has at least one protrusion, the at least one protrusion is disposed on the side of the insulating housing and adjacent to the receiving groove, the The other end of the electrical connection structure extends to the at least one protrusion, and the insulating base material is located between the metal layer and the protrusion. The manufacturing method of the electrical connector structure according to claim 12, wherein the insulating housing further has at least one recess, the at least one recess is provided on the side of the insulating housing, and the receiving groove is located in the at least one recess The other end of the electrical connection structure extends to the at least one recess, and the insulating base material is located between the metal layer and the recess. The manufacturing method of the electrical connector structure as claimed in item 12, wherein in the step B, a plurality of the electrical connection structures are placed in the mold, and insulating plastic is injected into the mold to form a coating on the The insulating housing with an equal electrical connection structure, the insulating housing forms a plurality of accommodation grooves, the electrical connection structures are respectively located in the accommodation grooves, and the accommodation grooves run through the opposite two sides of the insulating housing On the end face, the electrical connection structures pass through the two ends of the accommodating slots. The manufacturing method of the electrical connector structure as claimed in claim 12, wherein in the step B, a plurality of the electrical connection structures are placed in the mold, and insulating plastic is injected into the mold to form a plurality of coatings In the insulating housing of the electrical connection structures, each of the insulating housings forms an accommodating groove, and the electrical connecting structures are respectively located in the accommodating grooves, and the accommodating grooves pass through the insulating housing Opposite to the two ends, the electrical connection structures pass through the two ends of the accommodating groove. The manufacturing method of the electrical connector structure as described in claim 16, which further includes a plurality of the electrical connection structures and a plurality of the insulating shells, wherein the insulating shells respectively have the accommodating grooves, and the electrical connectors The connecting structures are respectively arranged in the accommodating grooves, and the sides of the insulating casings are closely connected. The manufacturing method of the electrical connector structure as claimed in item 17, wherein each of the insulating shells is closely connected by the side of each of the insulating shells in an adhesive manner. The manufacturing method of the electrical connector structure according to claim 17, wherein each of the insulating shells is closely connected by the sides of each of the insulating shells in a buckle manner. The manufacturing method of the electrical connector structure as described in claim 19, wherein one long side of the insulating housing is provided with at least one female buckle; and the other long side of the insulating housing is provided with at least one corresponding The male clip that snaps onto the female clip.

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