An electrical connector and electrical connection device

Abstract

The present application relates to the technical field of electric connector technology, and particularly relates to an electric connector and an electric connection device. The electric connector comprises a power transmission terminal and a metal strip. The metal strip comprises a transition strip and a straight strip-shaped metal strip body. The power transmission terminal has an input end and an output end opposite to each other along a first direction. The metal strip body is arranged on a side of the output end away from the input end and is located below the output end. The metal strip body is made of hard metal. The transition strip comprises a first transition part, a bending part and a second transition part connected electrically in sequence. The bending part is made of soft metal. One end of the first transition part away from the second transition part is electrically connected with the output end. One end of the second transition part away from the first transition part is electrically connected with the metal strip. The present application can greatly reduce the bending tolerance of the metal strip and ensure the accuracy of the metal strip during assembly.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electrical connectors, and particularly relates to an electrical connector and an electrical connection device. BACKGROUND

[0002] At present, in the manufacturing process of electrical connectors, metal rows are important components thereof, and the metal rows often need to be bent to meet the specific structural design and functional requirements of the electrical connectors.

[0003] In the prior art, the metal row is usually made of hard metal material to ensure good electrical conductivity and mechanical strength. In order to make the metal row meet the complex spatial layout requirements inside the electrical connector, the metal row often needs to be bent. However, due to the physical properties of the hard metal row itself and the limitations of the bending process, when the metal row is bent, a bending tolerance often occurs. This bending tolerance makes it difficult for the metal row to be accurately embedded into the corresponding position when assembled with other components of the electrical connector, which not only reduces the assembly efficiency, but also may cause damage to the metal row or other components due to repeated adjustments, affecting the overall quality and performance of the electrical connector. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an electrical connector and an electrical connection device to solve the problem of the bending tolerance of the hard metal row in the prior art.

[0005] To solve the above technical problems, on the one hand, the present application provides an electrical connector, which comprises a shell, an insulating sleeve, power supply terminals and metal rows. The power supply terminals are provided in two, which are positive and negative power supply terminals respectively. The metal rows are provided in two, which are positive and negative metal rows respectively. The shell is internally provided with a containing space. The insulating sleeve is connected to the shell, and the inner hole of the insulating sleeve is communicated with the containing space.

[0006] The metal row comprises a transition row and a straight strip-shaped metal row body. The power supply terminal has an input end and an output end opposite to each other in a first direction. The metal row body is arranged on the side of the output end away from the input end, and the metal row body is located below the output end.

[0007] The metal row body is made of hard metal. The transition row comprises a first transition part, a bending part and a second transition part connected in sequence. The bending part is made of soft metal. The output terminal and the first transition part are installed in the containing space. The insulating sleeve is sleeved on the metal row body. The second transition part and a part of the metal row body are located in the inner hole of the insulating sleeve. Another part of the metal row body extends to the outside of the insulating sleeve.

[0008] An end of the first transition part of the positive metal strip away from the second transition part is electrically connected to an output end of the positive power terminal, and an end of the second transition part of the positive metal strip away from the first transition part is electrically connected to the metal strip body of the positive metal strip; an end of the first transition part of the negative metal strip away from the second transition part is electrically connected to an output end of the negative power terminal, and an end of the second transition part of the negative metal strip away from the first transition part is electrically connected to the metal strip body of the negative metal strip.

[0009] Optionally, the insulating sleeve is a soft insulating sleeve.

[0010] The metal strip body is in interference fit with the insulating sleeve, so that the insulating sleeve can absorb the bending tolerance of the bending part.

[0011] Optionally, the first transition part of the positive metal strip is detachably connected to the output end of the positive power terminal, and the first transition part of the negative metal strip is detachably connected to the output end of the negative power terminal.

[0012] Optionally, the first transition part, the bending part and the second transition part are integrally formed.

[0013] The second transition part is fixedly arranged or integrally formed on the metal strip body.

[0014] Optionally, the metal strip body and the second transition part are arranged in sequence along a second direction; wherein the first direction intersects the second direction.

[0015] A side surface of the metal strip body facing the second transition part is attached to a side surface of the second transition part facing the metal strip body.

[0016] Optionally, at least one of the first transition part and the second transition part is made of soft metal.

[0017] Optionally, the electric connector further comprises a fastener, the first transition part is provided with a first mounting hole, the output end is provided with a second mounting hole, and the fastener is mounted in the first mounting hole and the second mounting hole, so that the first transition part and the output end are fastened and connected.

[0018] Optionally, the electric connector further comprises a shielding layer, the shielding layer is arranged on an outer circumferential surface of a part of the metal strip body extending out of the insulating sleeve; the shielding layer is used to enhance the anti-electromagnetic interference capability of the electric connector.

[0019] The shielding layer is one of a copper foil, an aluminum foil, a copper woven mesh, an aluminum woven mesh and a conductive plastic.

[0020] Optionally, the electric connector further comprises a snap ring, the insulating sleeve comprises a main body and a shrinkage part connected to each other, an inner hole of the insulating sleeve comprises a first through hole arranged in the inside of the main body and a second through hole arranged in the inside of the shrinkage part, the first through hole and the second through hole are in communication with each other and have the same extension direction, the second transition part and a part of the metal strip main body are located in the first through hole, another part of the metal strip main body extends out of the first through hole and the second through hole, the metal strip main body is in interference fit with the shrinkage part;

[0021] The shielding layer comprises a main body and a connecting part connected to each other, the main body is arranged on the outer circumferential surface of the part of the metal strip main body extending out of the insulating sleeve, the connecting part is arranged on the outer circumferential surface of the shrinkage part, and the snap ring is arranged on the outer circumferential surface of the connecting part and locks the connecting part on the shrinkage part.

[0022] According to the electric connector provided by the embodiment of the present application, the bending part is made of soft metal material, which has better plasticity and flexibility than hard metal material. This makes the bending part more easily adapt to the adjustment of the bending angle during the bending process, thereby greatly reducing the bending tolerance, ensuring the accuracy of the metal strip during assembly, and avoiding the poor fit problem and stress concentration during assembly caused by hard metal material. This improves the assembly accuracy and stability of the entire electric connector. At the same time, the present application combines hard metal with soft metal, so that the metal strip not only meets the mechanical strength and electrical conductivity provided by the hard metal, but also has the flexibility provided by the soft metal. This combination optimizes the overall performance of the metal strip, ensuring the long-term stability of the electric connector and meeting the accuracy requirements during production and assembly.

[0023] On the other hand, the embodiment of the present application provides an electric connection device comprising the electric connector. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic diagram of an electric connector provided by an embodiment of the present application;

[0025] Figure 2 is a structural schematic diagram of an electric connector provided by an embodiment of the present application.

[0026] The reference signs in the specification are as follows:

[0027] 1, power terminal; 2, metal strip; 3, fastener; 4, first mounting hole; 5, second mounting hole; 6, housing; 7, insulating sleeve; 8, shielding layer; 9, snap ring; 21, transition strip; 22, metal strip body; 211, first transition part; 212, bending part; 213, second transition part; 61, accommodation space; 71, inner hole of insulating sleeve; 72, insulating sleeve body; 73, contraction part; 81, shielding layer body; 82, connecting part; 711, first through hole; 712, second through hole. DETAILED DESCRIPTION

[0028] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0029] As shown in Figure 1 and Figure 2 , an embodiment of the present application provides an electrical connector, which comprises a housing 6, an insulating sleeve 7, a power terminal 1 and a metal strip 2, the power terminal 1 is provided with two, which are positive and negative power terminals respectively, the metal strip 2 is provided with two, which are positive and negative metal strips respectively, the housing 6 is internally provided with an accommodation space 61, the insulating sleeve 7 is connected to the housing 6 and the inner hole 71 of the insulating sleeve is communicated with the accommodation space 61;

[0030] The metal strip 2 comprises a transition strip 21 and a straight strip-shaped metal strip body 22, the power terminal 1 has an input end and an output end opposite to each other in a first direction, the metal strip body 22 is arranged on the side of the output end away from the input end, and the metal strip body 22 is located below the output end;

[0031] The metal strip body 22 is made of hard metal, the transition strip 21 comprises a first transition part 211, a bending part 212 and a second transition part 213 connected in sequence, and the bending part 212 is made of soft metal; the output terminal 1 and the first transition part 211 are mounted in the accommodation space 61, the insulating sleeve 7 is sleeved on the metal strip body 22, and the second transition part 213 and a part of the metal strip body 22 are located in the inner hole 71 of the insulating sleeve, and the other part of the metal strip body 22 extends to the outside of the insulating sleeve 7;

[0032] The end of the first transition portion 211 of the positive electrode metal busbar, away from the second transition portion 213, is electrically connected to the output terminal of the positive electrode power transmission terminal. The end of the second transition portion 213 of the positive electrode metal busbar, away from the first transition portion 211, is electrically connected to the metal busbar body 21 of the positive electrode metal busbar. The end of the first transition portion 211 of the negative electrode metal busbar, away from the second transition portion 213, is electrically connected to the output terminal of the negative electrode power transmission terminal 1. The end of the second transition portion 213 of the negative electrode metal busbar, away from the first transition portion 211, is electrically connected to the metal busbar body 22 of the negative electrode metal busbar. It can be understood that the positive electrode metal busbar is the positive electrode metal busbar 2, and the negative electrode metal busbar is the negative electrode metal busbar 2. Figure 1 The two metal stacks 2 are, one is the positive metal stack and the other is the negative metal stack. Figure 2 The internal structure shown can be a cross-sectional view of the positive electrode metal busbar or a cross-sectional view of the negative electrode metal busbar. The structures and connections of the two metal busbars 2 are the same, so some content in the following text only describes the connection relationship of one metal busbar 2. In this embodiment, the input end of the power transmission terminal 1 can be connected to an external charging pile, and the end of the metal busbar body 22 away from the power transmission terminal 1 can be connected to the corresponding copper busbar on the vehicle to realize current transmission. The power transmission terminal 1 is a DC terminal, which can be a copper alloy terminal or an aluminum alloy terminal, etc. The metal busbar body 22 can be a copper busbar or an aluminum busbar, etc. The transition busbar 21 can be a soft copper busbar, a soft aluminum busbar, a copper cable, an aluminum cable, a copper braided wire, or an aluminum braided wire. The bending part 212 is made of a soft metal of the corresponding type. The first transition part 211 and the second transition part 213 can be made of a soft metal or a hard metal. By incorporating a bend 212 made of soft metal (such as soft copper or soft aluminum) into the metal busbar 2, the bend 212 effectively absorbs the deformation and tolerances of the hard metal busbar 2 during bending. Hard metal busbars 2 (such as copper or aluminum busbars) are prone to unavoidable deformation and tolerances during bending. The soft bend 212, with its better flexibility, can adapt to these deformations, preventing excessive tolerances and ensuring the overall connector precision. Due to the flexibility of the bend 212, irregular deformations during bending are not transmitted to the entire metal busbar body 22, thus avoiding problems such as poor contact and decreased conductivity caused by uneven or incorrect force on electrical connection ports (such as charging ports), ensuring stable and reliable electrical connections. The hard metal busbar body 22 provides sufficient mechanical strength and conductivity, while the soft bend 212 provides flexibility. This combined structure effectively balances strength and flexibility requirements, meeting the long-term stability requirements of the electrical connector while adapting to the high precision requirements of production and assembly processes. Meanwhile, the insulating sleeve 7 provides moisture protection for the flexible connection and also ensures the insulation performance of the electrical connection.

[0033] In one embodiment, the insulating sleeve 7 is a soft insulating sleeve 7;

[0034] The metal strip body 22 is in interference fit with the insulating sleeve 7 to enable the insulating sleeve 7 to absorb the bending tolerance of the bending portion 212. The interference fit between the metal strip body 22 and the insulating sleeve 7 ensures the secure installation of the metal strip 2 in the connector, avoiding loosening or falling off due to vibration or external force, thereby improving the stability and reliability of the electrical connection. The soft insulating sleeve 7 can be a soft rubber sleeve including silicone rubber, EPDM, fluororubber, etc. At the same time, the soft insulating sleeve 7 can absorb the bending tolerance of the bending portion 212 of the metal strip 2 due to processing or installation process, ensuring that the metal strip body 22 will not be difficult to assemble or performance will be reduced due to tolerance problems during installation. That is, the soft insulating sleeve 7 has a certain activity and deformation ability. Compared with the hard insulating sleeve 7 of the conventional electrical connector, the present application reduces the bending tolerance generated during the processing or installation process by setting the soft insulating sleeve 7 together with the soft bending portion 212, which can avoid stress concentration, and the requirements for the shape and position of the metal strip body 22 during production process can be appropriately relaxed, which to some extent simplifies the manufacturing process and improves the production efficiency.

[0035] In an embodiment, the positive metal strip is an aluminum strip or a copper strip, and the negative metal strip is an aluminum strip or a copper strip.

[0036] The positive power terminal 1 is an aluminum alloy terminal or a copper alloy terminal, and the negative power terminal 1 is an aluminum alloy terminal or a copper alloy terminal. In other embodiments, the positive metal strip, the negative metal strip, the positive power terminal, and the negative power terminal can be formed of other metal materials.

[0037] In an embodiment, the first transition portion 211, the bending portion 212, and the second transition portion 213 are integrally formed.

[0038] The second transition portion 213 is fixed or integrally formed on the metal strip body 22. In the present embodiment, the first transition portion 211, the bending portion 212, and the second transition portion 213 are integrally formed, and the second transition portion 213 is designed separately from the metal strip body 22. The metal strip body 22 can be connected with the second transition portion 213 by ultrasonic welding, resistance welding, electromagnetic pulse welding, etc. With the separate design, the second transition portion 213 and the metal strip body 22 can be produced, tested, adjusted, and optimized separately, making the entire production process more flexible. For different application requirements, different specifications of the transition portion and the metal strip body 22 can be customized as needed, improving the adaptability of the product. Among them, the first transition portion 211, the bending portion 212, and the second transition portion 213 can all be made of soft metal. Through the separate design, the manufacturer can use different materials or processes for the metal strip body 22 and the second transition portion 213 as needed, thereby selecting lower-cost materials under the premise of ensuring performance, optimizing production costs.

[0039] In an embodiment, the metal strip body 22 and the second transition portion 213 are arranged in sequence along a second direction, wherein the first direction intersects the second direction.

[0040] A side surface of the metal strip body 22 facing the second transition portion 213 is attached to a side surface of the second transition portion 213 facing the metal strip body 22. It can be understood that the metal strip body 22 includes a conductive body and an insulating layer wrapped around the outer periphery of the conductive body, and the second transition portion 213 is connected to the conductive body. When the metal strip body 22 is connected to the second transition portion 213, the insulating layer at the end of the metal strip body 22 close to the second transition portion 213 will be peeled off, and after the second transition portion 213 is fixedly connected to the conductive body, a protective sleeve will be thermoplastically formed on the second transition portion 213 and the end of the metal strip body 22 close to the second transition portion 213. In the present embodiment, the first direction is the extension direction of the power terminal 1 (the length direction of the power terminal 1), and the second direction is the thickness direction of the metal strip body 22. The design of the attached side surfaces increases the contact area between the metal strip body 22 and the second transition portion 213, effectively reduces the contact resistance, thereby ensuring the efficiency and stability of current transmission, reducing the heat accumulation and energy loss caused by poor contact, improving the electrical performance of the electrical connector, and the close-fitting structure enhances the mechanical strength of the entire electrical connector to some extent, enabling it to better withstand external mechanical stress, vibration and other interference, improving the reliability and durability of the product.

[0041] In an embodiment, at least one of the first transition portion 211 and the second transition portion 213 is made of soft metal. In the present embodiment, the first transition portion 211, the bending portion 212 and the second transition portion 213 are all made of soft metal, and the first transition portion 211, the bending portion 212 and the second transition portion 213 are integrally formed. By replacing the traditional hard metal strip 2 with a bending structure with two separate parts, one part is a hard straight strip-shaped metal strip body 22, and the other part is a soft transition strip 21 with a bending portion 212. The soft transition strip 21 (including the first transition portion 211, the bending portion 212 and the second transition portion 213) can more easily adapt to the bending requirements, thereby significantly reducing the tolerance caused by bending the hard metal strip 2. This design ensures precise alignment and stable connection between the metal strip body 22 and the power terminal 1, improving the overall performance and reliability of the electrical connector. The split design allows the metal strip body 22 and the transition strip 21 to be manufactured and processed separately, and then combined through a simple connection method (such as crimping, welding or mechanical connection). This design not only simplifies the manufacturing process, but also improves assembly efficiency and accuracy, reducing manufacturing costs. In other embodiments, the first transition portion 211 is made of hard metal, and the second transition portion 213 is made of soft metal.

[0042] In an embodiment, the first transition part 211 of the positive metal bar is detachably connected to the output end of the positive power terminal; the first transition part 211 of the negative metal bar is detachably connected to the output end of the negative power terminal. In this embodiment, the first transition part 211 is detachably connected to the output end of the corresponding power terminal 1 through clamping or threaded connection, which facilitates the connection of the first transition part 211 and the output end. In other embodiments, the connection between the two is achieved by welding.

[0043] In an embodiment, the electrical connector further comprises a fastener 3, the first transition part 211 is provided with a first mounting hole 4, the output end is provided with a second mounting hole 5, and the fastener 3 is installed in the first mounting hole 4 and the second mounting hole 5 to fasten the first transition part 211 and the output end. In this embodiment, the first transition part 211 and the output end are arranged in sequence along the upward direction, and the top surface of the output end is attached to the bottom surface of the first transition part 211. The use of the fastener 3 ensures a stable connection between the first transition part 211 and the output end, avoiding problems such as loosening or falling off due to vibration, impact or long-term use. The attached arrangement in the upward direction makes the connection more secure, further enhancing the stability of the connection. The use of the fastener 3 makes it easy to disassemble and maintain when needed. During maintenance, the assembly can be easily removed by loosening the fastener 3, and replaced or repaired, providing convenient after-sales support. The first mounting hole 4 and the second mounting hole 5 can be threaded connections with the fastener 3.

[0044] In an embodiment, the electrical connector further comprises a shielding layer 8, the shielding layer 8 is arranged on the outer circumferential surface of the part of the metal bar body 22 that protrudes from the insulating sleeve 7; the shielding layer 8 is used to enhance the anti-electromagnetic interference capability of the electrical connector;

[0045] The shielding layer 8 is one of copper foil, aluminum foil, copper woven mesh, aluminum woven mesh and conductive plastic. In this embodiment, the shielding layer 8 can be copper foil, aluminum foil, copper woven mesh, aluminum woven mesh, conductive plastic, and the application of the shielding layer 8 achieves efficient electromagnetic shielding. The application of the shielding layer 8 can form an effective electromagnetic barrier to block or weaken the interference of external electromagnetic fields on the metal bar body 22 and its internal signals, so that it can maintain stable performance in various complex electromagnetic environments. This helps to improve the reliability and stability of the connector and prolong its service life.

[0046] In an embodiment, the electrical connector further comprises a snap ring 9, the insulating sleeve 7 comprises a main body 72 and a shrinkage portion 73 connected to each other, the inner hole 71 of the insulating sleeve comprises a first through hole 711 arranged in the interior of the main body 72 and a second through hole 712 arranged in the interior of the shrinkage portion 73, the first through hole 711 and the second through hole 712 are in communication with each other and have the same extension direction, the second transition portion 213 and a part of the metal strip main body 22 are located in the first through hole 711, another part of the metal strip main body 22 extends out of the first through hole 711 and the second through hole 712, and the metal strip main body 22 is in interference fit with the shrinkage portion 73;

[0047] The shielding layer 8 comprises a main body 81 and a connecting portion 82 connected to each other, the main body 81 is arranged on the outer circumferential surface of the part of the metal strip main body 22 extending out of the insulating sleeve 7, the connecting portion 82 is arranged on the outer circumferential surface of the shrinkage portion 73, and the snap ring 9 is sleeved on the outer circumferential surface of the connecting portion 82 and locks the connecting portion 82 on the shrinkage portion 73. In the embodiment, the second transition portion 213 abuts against the inner wall of the first through hole 711, so that the soft insulating sleeve 7 can better absorb the bending tolerance of the metal strip 2. The snap ring 9 can be made of stainless steel, aluminum alloy, engineering plastic or the like. In the direction perpendicular to the extension direction of the first through hole 711, the cross-sectional area of the first through hole 711 is larger than that of the second through hole 712, and the shrinkage portion 73 is provided with a groove in which the snap ring 9 is installed. The snap ring 9 locks the connecting portion 82 on the shrinkage portion 73, ensuring the stability of the connection between the shielding layer 8 and the insulating sleeve 7, effectively preventing the shielding layer 8 from being displaced or loosened during use, so as to continuously and stably play its anti-electromagnetic interference function and ensure the reliable operation of the electrical connector in a complex electromagnetic environment. Meanwhile, the interference fit between the metal strip main body 22 and the shrinkage portion 73 not only allows the insulating sleeve 7 to absorb the bending tolerance, but also further enhances the positioning accuracy and stability of the metal strip main body 22 in the insulating sleeve 7, avoiding the influence of the shaking of the metal strip 2 on the electrical connection performance. The connection relationship between the soft insulating sleeve 7, the snap ring 9 and the shielding layer 8, i.e. the metal strip main body 22, allows the components to be closely matched to form an organic whole, which not only ensures the electrical performance and anti-electromagnetic interference capability of the electrical connector, but also optimizes the overall mechanical structure, improves the durability and impact resistance of the electrical connector, and can adapt to various harsh working conditions, reducing the damage or performance degradation of the components caused by external mechanical force and prolonging the service life of the electrical connector and improving the overall quality and market competitiveness of the product.

[0048] According to the electric connector provided by the embodiment of the present application, the bending part 212 is made of soft metal material, which has better plasticity and flexibility than hard metal material. This makes the bending part 212 more easily adapt to the adjustment of the bending angle during the bending process, thereby greatly reducing the bending tolerance, ensuring the accuracy of the metal row 2 during the assembly process, and avoiding the poor fit problem and stress concentration during the assembly caused by the hard metal material. This improves the assembly accuracy and stability of the entire electric connector. At the same time, the present application combines hard metal with soft metal, so that the metal row 2 not only meets the mechanical strength and electrical conductivity provided by the hard metal, but also has the flexibility provided by the soft metal. This combination optimizes the overall performance of the metal row 2, ensuring both the long-term stability of the electric connector and the accuracy requirements during production and assembly.

[0049] In addition, an embodiment of the present application provides an electric connection device comprising the electric connector of the above-mentioned embodiment. In this embodiment, the electric connection device can be widely used in many key fields, such as new energy vehicles, new energy trucks, new energy ships, eVtol, etc. These fields have very high requirements for the cost, weight and electromagnetic compatibility of the electric connector, especially the aviation industry which is extremely sensitive to weight. The present application realizes low-cost high-current power transmission through the large area of the metal row 2, and realizes IPX7 protection level and absorbs assembly tolerance through the soft connection and soft rubber sleeve protection. In other embodiments, the input end of the power transmission terminal 1 is electrically connected to the output interface of the charging pile, and the end of the metal row main body 22 away from the power transmission terminal 1 is connected to the copper row (charging port) of the corresponding structure on the vehicle, realizing current transmission. With the structure design of the electric connector such as the soft bending part 212 absorbing the bending tolerance, when connecting the charging pile and the vehicle charging port, the assembly problem and stress concentration caused by the bending tolerance of the metal row 2 can be effectively overcome, ensuring precise and stable connection between the power transmission terminal 1 and the copper row (charging port) of the vehicle. This stable connection greatly reduces the possibility of poor connection such as loose connection or stress concentration during the charging process, ensuring that the current can be continuously and smoothly transmitted, avoiding frequent interruptions due to unstable connection, and improving the reliability of the entire charging process.

[0050] The above only describes the preferred embodiments of the present application and should not be used to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An electrical connector, characterized by, The electric connector comprises a shell, an insulating sleeve, power transmission terminals and metal strips, the power transmission terminals are provided with two, which are positive and negative power transmission terminals respectively, the metal strips are provided with two, which are positive and negative metal strips respectively, the shell is internally provided with a containing space, the insulating sleeve is connected to the shell and the inner hole of the insulating sleeve is communicated with the containing space; The metal strip comprises a transition strip and a straight strip-shaped metal strip body, the power transmission terminal has an input end and an output end opposite to each other in a first direction, the metal strip body is arranged on the side of the output end away from the input end and is located below the output end; The metal strip body is made of hard metal, the transition strip comprises a first transition part, a bending part and a second transition part which are electrically connected in sequence, the bending part is made of soft metal; the power transmission terminal and the first transition part are installed in the containing space, the insulating sleeve is sleeved on the metal strip body, the second transition part and a part of the metal strip body are located in the inner hole of the insulating sleeve, and the other part of the metal strip body extends to the outside of the insulating sleeve; One end of the first transition part of the positive metal strip away from the second transition part is electrically connected with the output end of the positive power transmission terminal, and one end of the second transition part of the positive metal strip away from the first transition part is electrically connected with the metal strip body of the positive metal strip; one end of the first transition part of the negative metal strip away from the second transition part is electrically connected with the output end of the negative power transmission terminal, and one end of the second transition part of the negative metal strip away from the first transition part is electrically connected with the metal strip body of the negative metal strip.

2. The electrical connector of claim 1, wherein, The insulating sleeve is a soft insulating sleeve; The metal strip body and the insulating sleeve are in interference fit, so that the insulating sleeve can absorb the bending tolerance of the bending part.

3. The electrical connector of claim 1, wherein, The first transition part of the positive metal strip is detachably connected to the output end of the positive power transmission terminal, and the first transition part of the negative metal strip is detachably connected to the output end of the negative power transmission terminal.

4. The electrical connector of claim 1, wherein, The first transition part, the bending part and the second transition part are integrally formed; The second transition part is fixedly arranged or integrally formed on the metal strip body.

5. The electrical connector of claim 1, wherein, The metal strip body and the second transition part are arranged in sequence in a second direction; wherein the first direction intersects with the second direction; The side surface of the metal strip body facing the second transition part is attached to the side surface of the second transition part facing the metal strip body.

6. The electrical connector of claim 1, wherein, At least one of the first transition part and the second transition part is made of soft metal.

7. The electrical connector of claim 1, wherein, The electric connector further comprises a fastener, the first transition part is provided with a first mounting hole, the output end is provided with a second mounting hole, and the fastener is installed in the first mounting hole and the second mounting hole, so that the first transition part and the output end are tightly connected.

8. The electrical connector of claim 1, wherein, The electric connector further comprises a shielding layer, the shielding layer is arranged on the outer circumferential surface of the part of the metal strip body extending out of the insulating sleeve; the shielding layer is used to enhance the anti-electromagnetic interference capability of the electric connector; The shielding layer is one of copper foil, aluminum foil, copper braiding, aluminum braiding and conductive plastic.

9. The electrical connector of claim 8, wherein, The electric connector further comprises a snap ring, the insulating sleeve comprises a main body and a shrinkage part connected to each other, an inner hole of the insulating sleeve comprises a first through hole arranged in the inside of the main body and a second through hole arranged in the inside of the shrinkage part, the first through hole and the second through hole are in communication with each other and have the same extension direction, the second transition part and a part of the metal strip main body are located in the first through hole, another part of the metal strip main body extends out of the first through hole and the second through hole, the metal strip main body is in interference fit with the shrinkage part; The shielding layer comprises a main body and a connecting part connected to each other, the main body is arranged on the outer circumferential surface of the part of the metal strip main body extending out of the insulating sleeve, the connecting part is arranged on the outer circumferential surface of the shrinkage part, the snap ring is sleeved on the outer circumferential surface of the connecting part and locks the connecting part on the shrinkage part.

10. An electrical connection device, characterised in that The electric connector comprises any one of claims 1-9.

Images