Electric connection structure between electric connectors

Abstract

The utility model provides an electrical connection structure between electrical connectors, a first electrical connector is provided with a first insulation structure and a plurality of first terminals, each first terminal comprises a butt joint part, a fixed connection part and an electrical connection part, the fixed connection part is fixed on the first insulation structure, and the butt joint part is provided with a bent elastic arm-shaped structure. The second electric connector is provided with a second insulation structure and a plurality of second terminals, each second terminal comprises a needle shaft, a needle tube and a spring, the needle shaft is movably combined with the needle tube, the spring abuts against the needle shaft and the needle tube, and the needle shaft protrudes out of one surface of the second insulation structure. Each cable is provided with a first electric conductor end and a second electric conductor end, and the first electric conductor end extends from the lower part of the first electric connector to the upper part of the first electric connector and is electrically connected with the first terminal, so that the cable is led out from the lower part of the first electric connector; and the second electric conductor end extends from the upper part of the second electric connector to the lower part of the second electric connector and is electrically connected with the needle tube of the second terminal.

Description

Technical Field

[0001] The utility model relates to the technical field of an electric connector, in particular to an inter-electric connector electrical connection structure used for forming an electrical connection between two electric connectors. Background Art

[0002] Multiple electrical connectors are provided in electronic devices for forming electrical connections with other different electronic modules or electronic devices to transmit electronic signals. Existing multiple electrical connectors are generally electrically connected through a main circuit board. Multiple electrical connectors are soldered to the pads of the main circuit board, and then electrically connected through the circuits of the main circuit board. However, in some special applications where there is no main circuit board, other structures must be used to form electrical connections between the electrical connectors. Utility Model Content

[0003] In view of this, an object of the present invention is to provide an electrical connection structure between electrical connectors, which is applicable to a structure that can form an electrical connection without a main circuit board.

[0004] The utility model provides an electrical connection structure between electrical connectors, including a first electrical connector, a second electrical connector and a plurality of cables. The first electrical connector has a first insulating structure and a plurality of first terminals, each of which includes a docking portion, a fixing portion and an electrical connection portion, the fixing portion is fixed to the first insulating structure, and the docking portion has a bent elastic arm structure. The second electrical connector has a second insulating structure and a plurality of second terminals, each of which includes a needle shaft, a needle tube and a spring, the needle shaft is movably combined with the needle tube, the spring abuts against the needle shaft and the needle tube, and the needle shaft protrudes from a surface of the second insulating structure. Each cable has a first electrical conductor end and a second electrical conductor end, the first electrical conductor end extends from the bottom of the first electrical connector to the top thereof and forms an electrical connection with the electrical connection portion of the first terminal, so that the cable is discharged from the bottom of the first electrical connector, and the second electrical conductor end extends from the top of the second electrical connector to the bottom thereof and forms an electrical connection with the needle tube of the second terminal, so that the cable is discharged from the top of the second electrical connector.

[0005] In another embodiment, the first insulating structure includes a first body and a plurality of first engaging protrusions. The first engaging protrusions are disposed on outer surfaces of two opposite sides of the first body for engaging with a mechanism of an electronic device.

[0006] In another embodiment, the first body includes a first accommodating groove, a second accommodating groove and a third accommodating groove which are arranged parallel to each other, the first accommodating groove is located between the second accommodating groove and the third accommodating groove, the fixing portion of the first terminal is fixed to the first accommodating groove, the docking portion is arranged in the second accommodating groove, and the electrical connection portion is arranged in the third accommodating groove, a first hollow portion is formed on a side of the second accommodating groove away from the first accommodating groove, the docking portion is exposed from the first hollow portion, and a second hollow portion is formed on a side of the third accommodating groove away from the first accommodating groove, and the electrical connection portion is exposed from the second hollow portion.

[0007] In another embodiment, the docking portion, the fixing portion and the electrical connection portion of the first terminal are an integrated structure, and the docking portion and the electrical connection portion are bent from both sides of the fixing portion toward the fixing portion, and extend in opposite directions.

[0008] In another embodiment, the first body further includes a pair of flanges, which are disposed at two opposite edges of one side where the first hollow portion is located, and the height of the pair of flanges is greater than the height of the docking portion protruding from the first hollow portion.

[0009] In another embodiment, the second insulating structure includes a second body and a plurality of second engaging protrusions. The second engaging protrusions are disposed on outer surfaces of two opposite sides of the second body for engaging with a mechanism of an electronic device.

[0010] In another embodiment, the second body includes a fourth accommodating groove, the fourth accommodating groove opens to the top surface of the second body, the needle tube of the second terminal is arranged in the fourth accommodating groove and the needle shaft protrudes from the top surface, a side surface of the fourth accommodating groove adjacent to the top surface forms a third hollow portion, and the side wall of the needle tube of the second terminal is exposed from the third hollow portion.

[0011] In another embodiment, the electrical connection structure between electrical connectors of the present invention further includes a third insulating structure, wherein a recessed portion is formed on the side of the second body, and the third insulating structure is combined with the second insulating structure in the recessed portion and covers the connection between the second electrical conductor end of the cable and the needle tube.

[0012] In another embodiment, the third insulating structure has a bare portion, and the bare portion is located on a side of the third insulating structure away from the cable and the second insulating structure.

[0013] In another embodiment, the second body further includes a boss, which is disposed in the recessed portion and located at one side of the third hollow portion.

[0014] The electrical connection structure between electrical connectors of the present invention is to connect a first terminal having an elastic arm structure and a second terminal having a needle shaft and a needle tube by a cable, and the first electrical conductor end of the cable extends from the bottom of the first electrical connector to the top thereof to form an electrical connection with the electrical connection portion of the first terminal, and the second electrical conductor end of the cable extends from the top of the second electrical connector to the bottom thereof to form an electrical connection with the needle tube of the second terminal, thereby when the cable is subjected to forces from two opposite directions, a certain structural strength can be maintained, and different outlet directions can also increase the flexibility of the design. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of an embodiment of the electrical connection structure between electrical connectors of the utility model.

[0016] Figure 2 yes Figure 1 A three-dimensional diagram from another perspective of the electrical connection structure between the electrical connectors.

[0017] Figure 3 yes Figure 1 A three-dimensional exploded view of the electrical connection structure between electrical connectors.

[0018] Figure 4 yes Figure 3 A three-dimensional exploded view from another perspective of the electrical connection structure between the electrical connectors.

[0019] Figures 5 to 9 yes Figure 1 A schematic diagram of the assembly process of the electrical connection structure between electrical connectors.

[0020] Explanation of reference numerals: 1-electrical connection structure between electrical connectors; 10-first electrical connector; 11-first insulating structure; 12-first terminal; 20-second electrical connector; 21-second insulating structure; 22-second terminal; 30-cable; 31-first electrical conductor end; 32-second electrical conductor end; 40-third insulating structure; 41-naked portion; 111-first body; 111a-first receiving groove; 111b-second receiving groove Groove; 111c-third receiving groove; 112-first engaging protrusion; 113-first hollow portion; 114-second hollow portion; 115-flange; 121-joining portion; 122-fixing portion; 123-electrical connection portion; 211-second body; 211a-fourth receiving groove; 211b-recess; 211c-boss; 212-second engaging protrusion; 213-third hollow portion; 221-needle shaft; 222-needle tube. DETAILED DESCRIPTION

[0021] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, which represents an embodiment of the electrical connection structure between electrical connectors of the utility model. The electrical connection structure 1 between electrical connectors of this embodiment includes a first electrical connector 10, a second electrical connector 20 and a plurality of cables 30. The first electrical connector 10 has a first insulating structure 11 and a plurality of first terminals 12. The second electrical connector 20 has a second insulating structure 21 and a plurality of second terminals 22. Each cable 30 has a first electrical conductor end 31 and a second electrical conductor end 32, the first electrical conductor end 31 is electrically connected to the first terminal 12, and the second electrical conductor end 32 is electrically connected to the second terminal, thereby making the first electrical connector 10 and the second electrical connector 30 electrically connected, and the structure of each part is described in detail below.

[0022] The first insulating structure 11 includes a first body 111 and a pair of first engaging protrusions 112. The first engaging protrusions 112 are disposed on the outer surfaces of the first body 111 on opposite sides, and are used to engage with the mechanism of an electronic device. The first body 111 is a rectangular parallelepiped. The first body 111 includes a first receiving groove 111a, a second receiving groove 111b, and a third receiving groove 111c that are disposed parallel to each other. The first receiving groove 111a is located between the second receiving groove 111b and the third receiving groove 111c. The first receiving groove 111a, the second receiving groove 111b, and the third receiving groove 111c are long grooves that penetrate the side walls of the first body 111 on opposite sides. The groove wall of the second receiving groove 111b forms a first hollow portion 113 on the side away from the first receiving groove 111a, and the first hollow portion 113 allows the first receiving groove 111a to communicate with the outside from the side wall; the third receiving groove 111c forms a second hollow portion 114 on the side away from the first receiving groove 111a, and the second hollow portion 114 allows the third receiving groove 111c to communicate with the outside from the side wall. The first hollow portion 113 and the second hollow portion 114 are respectively adjacent to the side walls of the first body 111 on opposite sides, and the first hollow portion 113 is connected to the opening of the second receiving groove 111b on one side wall of the first body 111, and the second hollow portion 114 is connected to the opening of the third receiving groove 111c on the other side wall of the first body 111. The first body 111 further includes a pair of flanges 115, and the pair of flanges 115 are arranged on two opposite edges of the side where the first hollow portion 113 is located.

[0023] Each first terminal 12 includes a docking portion 121, a fixing portion 122 and an electrical connection portion 123. The docking portion 121, the fixing portion 122 and the electrical connection portion 123 are an integrated structure. The docking portion 121 and the electrical connection portion 123 are bent from opposite sides of the fixing portion 122 toward the direction close to the fixing portion 122. The docking portion 121 is bently connected to one end of the fixing portion 122, and the docking portion 121 is formed into a curved elastic arm structure. The electrical connection portion 123 is stamped and separated from the middle part of the fixing portion 122 and then bent, and the docking portion 121 and the electrical connection portion 123 extend in opposite directions.

[0024] The fixing portion 122 is fixed in the first receiving groove 111a of the first body 111 of the first insulating structure 11, and the fixing portion 122 and the first receiving groove 111a form interference and are fixed to the groove wall of the first receiving groove 111a. The docking portion 121 extends into the second receiving groove 111b, and the bent elastic arm-shaped structure of the docking portion 121 is exposed from the first hollow portion 113 and can contact the terminal of the opponent electrical connector. The height of the flange 115 of the first insulating structure 11 is higher than the height of the bent elastic arm-shaped structure of the docking portion 121 exposed from the first hollow portion 113, so that the flange 115 has a protective effect on the bent elastic arm-shaped structure of the docking portion 121. The electrical connection portion 123 extends into the third receiving groove 111c and is exposed from the second hollow portion 114.

[0025] The second insulating structure 21 includes a second body 211 and a plurality of second engaging protrusions 212. The second engaging protrusions 212 are disposed on the outer surfaces of the second body 211 on opposite sides, and are used to engage with the mechanism of an electronic device. The second body 211 includes a fourth receiving groove 211a, a recessed portion 211b and a boss 211c. The fourth receiving groove 211a opens on the top surface of the second body 211. A third hollow portion 213 is formed on a side surface of the fourth receiving groove 211a adjacent to the top surface, a recessed portion 211b is formed on the side surface of the second body 211, and the boss 211c is disposed on the recessed portion 211b and is located on one side of the third hollow portion 213.

[0026] Each second terminal 22 includes a needle shaft 221, a needle tube 222 and a spring (not shown). The needle shaft 221 is movably coupled to the needle tube 222 by the guide of the needle tube 222. The spring is disposed inside the needle tube 222 and its two ends are respectively in contact with the needle shaft 221 and the needle tube 222. The needle tube 222 is disposed in the fourth receiving groove 211a of the second insulating structure 21 and the side wall of the needle tube 222 is exposed from the third hollow portion 213. The needle shaft 221 protrudes from the top surface of the second body 211.

[0027] The first electrical conductor end 31 of the cable 30 extends from the bottom to the top of the first electrical connector 10 and forms an electrical connection with the electrical connection portion 123 of the first terminal 12, that is, the cable 30 is connected from the bottom relative to the first electrical connector 10, and the first electrical conductor end 31 is electrically connected to the electrical connection portion 123 of the first terminal 12 by welding. The second electrical conductor end 32 of the cable 30 extends from the top to the bottom of the second electrical connector 20 and forms an electrical connection with the needle tube 222 of the second terminal 22, that is, the cable 30 is connected from the top relative to the second electrical connector 20, and the second electrical conductor end 32 is electrically connected to the needle tube 222 of the second terminal 22 by welding.

[0028] The electrical connection structure 1 between electrical connectors of the present invention further includes a third insulating structure 40, which is combined with the second insulating structure 22 at the recessed portion 211b of the second insulating structure 22 and covers the welding portion between the second electrical conductor end 32 of the cable 30 and the needle tube 22 of the second terminal 20. The third insulating structure 40 also fills part of the fourth receiving groove 211a and fills the entire recessed portion 211b. The third insulating structure 40 has a bare portion 41, which is located on a side of the third insulating structure 40 away from the cable 30 and the second insulating structure 21, and the bare portion 41 forms a recess of the third insulating structure 40.

[0029] See also Figures 5 to 9 , which shows the assembly process of the electrical connection structure 1 between electrical connectors of the utility model. Figure 5 and Figure 6 As shown, the first electrical conductor end 31 of the cable 30 is welded to the portion of the electrical connection portion 123 of the first terminal 12 of the first electrical connector 10 that is exposed from the second hollow portion 114 of the first insulating structure 11. Figure 7 and Figure 8 As shown, the second electrical conductor end 32 of the cable 30 is welded to the pin tube 222 of the second terminal 22 of the second electrical connector 20 and exposed to the third hollow portion 213 of the second insulating structure 21. Fig. 9 As shown, the third insulating structure 40 is formed by an injection molding process, and the third insulating structure 40 is combined with the second electrical connector 20 and covers the second electrical conductor end 32 of the cable 30 .

[0030] The electrical connection structure between electrical connectors of the present invention is to connect a first terminal having an elastic arm structure and a second terminal having a needle shaft and a needle tube by a cable, and the first electrical conductor end of the cable extends from the bottom of the first electrical connector to the top thereof to form an electrical connection with the electrical connection portion of the first terminal, and the second electrical conductor end of the cable extends from the top of the second electrical connector to the bottom thereof to form an electrical connection with the needle tube of the second terminal, thereby when the cable is subjected to forces from two opposite directions, a certain structural strength can be maintained, and different outlet directions can also increase the flexibility of the design.

[0031] What is described above is only the preferred embodiment of the utility model, and it should not be used to limit the scope of implementation of the utility model. That is, any simple equivalent changes and modifications made according to the content of the utility model specification are still within the scope of the utility model patent. In addition, any embodiment of the utility model does not have to achieve all the purposes, advantages or features disclosed in this utility model. In addition, the abstract and title are only used to assist in searching patent documents, and are not used to limit the scope of rights of the utility model. In addition, the terms "first", "second", etc. mentioned in the utility model specification are only used to name the name of the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

Claims

1. An electrical connection structure between electrical connectors, characterized in that: include: A first electrical connector having a first insulating structure and a plurality of first terminals, each of the first terminals comprising a mating portion, a fixing portion and an electrical connection portion, the fixing portion being fixed to the first insulating structure, and the mating portion having a bent elastic arm structure; a second electrical connector having a second insulating structure and a plurality of second terminals, each of the second terminals comprising a pin shaft, a pin tube and a spring, the pin shaft being movably coupled to the pin tube, the spring being in contact with the pin shaft and the pin tube, the pin shaft protruding from a surface of the second insulating structure; and A plurality of cables, each of which has a first electrical conductor end and a second electrical conductor end, the first electrical conductor end extends upward from the bottom of the first electrical connector and forms an electrical connection with the electrical connection portion of the first terminal, so that the cable is connected from the bottom of the first electrical connector, and the second electrical conductor end extends downward from the top of the second electrical connector and forms an electrical connection with the needle tube of the second terminal, so that the cable is connected from the top of the second electrical connector.

2. The electrical connection structure between electrical connectors according to claim 1, wherein: The first insulating structure includes a first body and a plurality of first engaging protrusions. The plurality of first engaging protrusions are arranged on outer surfaces of two opposite sides of the first body and are used for engaging with a mechanism of an electronic device.

3. The electrical connection structure between electrical connectors according to claim 2, wherein: The first body includes a first accommodating groove, a second accommodating groove and a third accommodating groove which are arranged in parallel with each other, the first accommodating groove is located between the second accommodating groove and the third accommodating groove, the fixing portion of the first terminal is fixed to the first accommodating groove, the docking portion is arranged in the second accommodating groove, and the electrical connecting portion is arranged in the third accommodating groove. A first hollow portion is formed on a side of the second accommodating groove away from the first accommodating groove, and the docking portion is exposed from the first hollow portion. A second hollow portion is formed on a side of the third accommodating groove away from the first accommodating groove, and the electrical connecting portion is exposed from the second hollow portion.

4. The electrical connection structure between electrical connectors according to claim 1 or 3, characterized in that: The docking portion, the fixing portion and the electrical connection portion of the first terminal are an integrated structure, and the docking portion and the electrical connection portion are bent from both sides of the fixing portion toward the fixing portion, and the docking portion and the electrical connection portion extend in opposite directions.

5. The electrical connection structure between electrical connectors according to claim 3, wherein: The first body further includes a pair of flanges, the flanges are arranged at an edge of a side where the first hollow portion is located, and the height of the pair of flanges is greater than the height of the docking portion protruding from the first hollow portion.

6. The electrical connection structure between electrical connectors according to claim 1, wherein: The second insulating structure includes a second body and a plurality of second engaging protrusions. The plurality of second engaging protrusions are arranged on the outer surfaces of two opposite sides of the second body and are used for engaging with the mechanism of an electronic device.

7. The electrical connection structure between electrical connectors according to claim 6, wherein: The second body includes a fourth accommodating groove, which opens to the top surface of the second body. The needle tube of the second terminal is arranged in the fourth accommodating groove and the needle shaft protrudes from the top surface. A side surface of the fourth accommodating groove adjacent to the top surface forms a third hollow portion, and the side wall of the needle tube of the second terminal is exposed from the third hollow portion.

8. The electrical connection structure between electrical connectors according to claim 7, wherein: It also includes a third insulating structure, wherein the side surface of the second body forms a recessed portion, and the third insulating structure is combined with the second insulating structure at the recessed portion and covers the connection between the second electrical conductor end of the cable and the needle tube.

9. The electrical connection structure between electrical connectors according to claim 8, wherein: The third insulating structure has a bare portion, and the bare portion is located at a side of the third insulating structure away from the cable and the second insulating structure.

10. The electrical connection structure between electrical connectors according to claim 8, wherein: The second body further includes a boss, which is disposed in the recessed portion and located at one side of the third hollow portion.

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