Large-current high-frequency high-speed transmission Type-C connector

Abstract

The utility model discloses a heavy-current high-frequency high-speed transmission Type-C connector, which comprises an insulating body, a shielding shell, a grounding terminal, a power supply terminal, a signal terminal and a clamping hook piece, the insulation body is provided with an insertion cavity with a forward opening, the insulation body is provided with a plurality of terminal grooves, and the grounding terminals, the power supply terminals and the signal terminals are respectively inserted into the corresponding terminal grooves from back to front; a high-frequency terminal group for high-frequency high-speed transmission is arranged on the insulating body, the high-frequency terminal group comprises a plurality of high-frequency terminal modules, each high-frequency terminal module comprises a high-frequency terminal and an insulating part, the high-frequency terminals and the insulating parts are molded to form the high-frequency terminal modules, and the high-frequency terminal modules are inserted into the corresponding terminal grooves from back to front; the high-frequency and high-speed passing performance of the high-frequency terminal is better, the modular design and the plug-in mounting design of the high-frequency terminal are realized, so that the high-frequency terminal integrates molding forming and plug-in mounting, the assembling process of the high-frequency terminal is simplified, the high-frequency terminal is simple and convenient to assemble, and the high-frequency terminal is more beneficial to forming and manufacturing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connector field technology especially is a kind of high-frequency high-speed transmission Type-C connector of large current. BACKGROUND

[0002] With the rapid development of science and technology of electronic industry, the volume of electronic product is more and more light and thin, small, which requires the size of electronic product components to be smaller and smaller, and the connector industry is the first to be affected.The existing USB includes Type-A, Type-B and Type-C three interface types.Type-C interface has the characteristics of more slender and can be inserted from both sides to complete pairing, and is more suitable for use in increasingly miniaturized computing devices.

[0003] At present, the existing Type-C connector usually includes an insulating body, a shielding shell, a ground terminal, a power terminal, a signal terminal and a clamping piece, the shielding shell is covered outside the insulating body, the clamping piece is arranged on the insulating body, the insulating body has an insertion cavity with an opening facing forward, the ground terminal, the power terminal and the signal terminal are integrally formed on the insulating body, and the terminals are mostly spring sheet type terminals.Although it can realize high-frequency transmission well, it is limited by impedance value and cannot meet the better high-frequency high-speed transmission performance requirement, and the ability of transmitting large current is poor.

[0004] Therefore, it is necessary to develop a new technology to solve the above problems. UTILITY MODEL CONTENT

[0005] Therefore, the utility model mainly aims at the defects of prior art, and provides a high-frequency high-speed transmission Type-C connector of large current, which has better high-frequency high-speed transmission performance, realizes the modular design and plug-in design of high-frequency terminal, integrates the molding and plug-in of high-frequency terminal, simplifies the assembly process of high-frequency terminal, makes the assembly of high-frequency terminal simple, is more conducive to molding, improves the production and processing efficiency, and improves the ability of connector to transmit large current.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of high-frequency high-speed transmission Type-C connector of large current, including insulating body, shielding shell, ground terminal, power terminal, signal terminal and catch piece;The shielding shell is covered in insulating body, the catch piece is set on insulating body;The insulating body has a insertion cavity with opening forward, the insulating body has several terminal grooves, the terminal groove is communicated with insertion cavity, the ground terminal, power terminal, signal terminal are respectively inserted into corresponding terminal groove from back to front;High-frequency terminal group for high-frequency high-speed transmission is provided on the insulating body, and the high-frequency terminal group includes several high-frequency terminal modules, the high-frequency terminal module includes high-frequency terminal and insulating piece, the high-frequency terminal and insulating piece molding form high-frequency terminal module, and the high-frequency terminal module is inserted into corresponding terminal groove from back to front.

[0008] As a preferred scheme, one end of the high-frequency terminal is provided with a bent first contact portion, and the other end is provided with a bent first welding portion;The insulating piece is molding covered in the middle part of the high-frequency terminal, and the first contact portion is exposed in the insertion cavity, and the first welding portion is exposed outside the rear end of the insulating body.

[0009] As a preferred scheme, the side of the insulating piece towards the insulating body is concavely provided with a through groove, and part of the middle part of the high-frequency terminal is exposed in the through groove.

[0010] As a preferred scheme, the front end of the ground terminal, power terminal and signal terminal is provided with a bent second contact portion, and the rear end of the ground terminal, power terminal and signal terminal is provided with a second welding portion, the second contact portion is exposed in the insertion cavity, and the first welding portion and the second welding portion are both welded with a circuit board.

[0011] As a preferred scheme, the ground terminal is provided with two, and the insulating body is provided with two first terminal grooves arranged in symmetrical spacing, and the ground terminal is inserted into the first terminal groove from back to front;

[0012] The power terminal is provided with two, and the insulating body is provided with two second terminal grooves arranged in symmetrical spacing, and the two second terminal grooves are located between the two first terminal grooves, and the power terminal is inserted into the second terminal groove from back to front;

[0013] The insulating body is provided with a plurality of third terminal grooves, and the plurality of third terminal grooves are located between the two second terminal grooves, and the signal terminal is inserted into the third terminal groove from back to front;

[0014] The fourth terminal groove is arranged on the insulating body between the first terminal groove and the adjacent second terminal groove, and the high-frequency terminal module is inserted into the fourth terminal groove from back to front.

[0015] As a preferred scheme, the snap element is in contact with the shielding shell, the insulating body has positioning grooves on both sides, the positioning grooves are communicated with the insertion cavity, the snap element has snap portions on both sides, the snap portions are inserted into the corresponding positioning grooves from back to front, and the snap portions are exposed in the insertion cavity.

[0016] As a preferred scheme, the snap element has a connecting piece, the two snap portions are integrally connected to two ends of the connecting piece respectively, the connecting piece is molded and covered with an insulating covering portion, the middle portions of the grounding terminal, the power terminal, the signal terminal and the insulating element are formed with limiting stop portions, and the front end surface of the insulating covering portion is limited by the limiting stop portions.

[0017] As a preferred scheme, one side of the middle portion of the signal terminal is provided with a convex flow increasing portion, and the other side of the middle portion of the signal terminal is provided with a convex snap point.

[0018] As a preferred scheme, the signal terminal has the same width at different positions, and the width of the high-frequency terminal is greater than that of the signal terminal.

[0019] As a preferred scheme, the EMC spring sheets are fixed to the upper and lower surfaces of the front end of the insulating body, and the EMC spring sheets are in contact with the shielding shell.

[0020] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, according to the above technical scheme, mainly through the setting of the high-frequency terminal group, the high-frequency high-speed passing performance is better, the high-frequency terminal is molded and formed into the insulating element to form the high-frequency terminal module, and the high-frequency terminal module is inserted into the corresponding terminal groove from back to front, so that the modular design and the plug-in design of the high-frequency terminal are realized, the high-frequency terminal set is molded and plugged in one body, thereby simplifying the assembly process of the high-frequency terminal, making the high-frequency terminal assembly simple, being more beneficial to forming production, improving production and processing efficiency, and the insulating element separately covering the high-frequency terminal can reduce the influence of impedance, the insulating element can separate the high-frequency terminal from other terminals, thereby reducing the interference of other terminals on the high-frequency terminal.

[0021] And, through the signal terminal having the same width at different positions, the overall width of the signal terminal is uniform, high-frequency signal transmission can be adapted, the flow increasing portion is arranged on the signal terminal, the resistance value of the signal terminal is equivalent to being increased, the ability of the connector to transmit large current is improved, the problem of excessively high temperature when the connector transmits large current is effectively solved, and the snap point is arranged on the signal terminal, so that the connection between the signal terminal and the insulating body is more stable.

[0022] In order to make the structure features, technical means and the achieved specific purposes and functions of the utility model more clear, the utility model will be explained in further detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall structure of the embodiment of the utility model stereogram schematic diagram;

[0024] Figure 2 is another angle overall structure of the embodiment of the utility model stereogram schematic diagram;

[0025] Figure 3 is the embodiment of the utility model stereogram schematic diagram (not shown circuit board);

[0026] Figure 4 is the embodiment of the utility model exploded schematic diagram (not shown shielding shell);

[0027] Figure 5 is another embodiment of the utility model exploded schematic diagram;

[0028] Figure 6 is still another embodiment of the utility model exploded schematic diagram;

[0029] Figure 7 is the embodiment of the utility model insulation body stereogram schematic diagram;

[0030] Figure 8 is the embodiment of the utility model part structure schematic diagram;

[0031] Figure 9 is Figure 8 the overhead view of the structure shown;

[0032] Figure 10 is the embodiment of the utility model high frequency terminal module stereogram schematic diagram;

[0033] Figure 11 is another embodiment of the utility model high frequency terminal module stereogram schematic diagram;

[0034] Figure 12 is the embodiment of the utility model signal terminal stereogram schematic diagram;

[0035] Figure 13 is the embodiment of the utility model power supply terminal stereogram schematic diagram;

[0036] Figure 14 is the embodiment of the utility model card hook piece exploded schematic diagram;

[0037] Figure 15 is the embodiment of the utility model sectional view.

[0038] Explanation of the drawing:

[0039] 10 insulating body 11 insertion cavity

[0040] 12 first terminal slot 13 second terminal slot

[0041] 14 third terminal slot 15 fourth terminal slot

[0042] 16 positioning slot 20 shielding shell

[0043] 30 grounding terminal 40 power supply terminal

[0044] 50 signal terminal 51 flow-increasing portion

[0045] 52 clamping point 60 clamping hook member

[0046] 61 clamping hook portion 62 connecting member

[0047] 63 insulating covering portion 64 insertion protrusion

[0048] 70 EMC spring 80 high-frequency terminal module

[0049] 81 high-frequency terminal 811 first contact portion

[0050] 812 first welding portion 82 insulating member

[0051] 821 through slot 822 protrusion portion

[0052] 83 accommodation space 90 circuit board

[0053] 101 second contact portion 102 second welding portion

[0054] 103 limiting stop portion 104 first limiting portion

[0055] 105 second limiting portion DETAILED DESCRIPTION

[0056] Please refer to Figures 1 to 15 , which shows the specific structure of the embodiment of the present application.

[0057] A large current high frequency high speed transmission Type-C connector, comprising an insulating body 10, a shielding shell 20, a ground terminal 30, a power terminal 40, a signal terminal 50 and a hooking piece 60; the shielding shell 20 is wrapped outside the insulating body 10, and the hooking piece 60 is arranged on the insulating body 10; the insulating body 10 has an insertion cavity 11 with an opening facing forward, and has a plurality of terminal grooves in communication with the insertion cavity 11, and the ground terminal 30, the power terminal 40 and the signal terminal 50 are respectively inserted into the corresponding terminal grooves from back to front; the upper and lower surfaces of the front end of the insulating body 10 are both fixed with an EMC spring 70, the EMC spring 70 is in contact with the shielding shell 20, and the EMC spring 70 can effectively reduce the radiation interference.

[0058] A high-frequency terminal group for high-frequency high-speed transmission is arranged on the insulating body 10, and the high-frequency terminal group comprises a plurality of high-frequency terminal modules 80, each of which comprises a high-frequency terminal 81 and an insulating piece 82, the high-frequency terminal 81 and the insulating piece 82 are molding formed to form the high-frequency terminal module 80, and the high-frequency terminal module 80 is inserted into the corresponding terminal groove from back to front; in this way, the high-frequency high-speed transmission performance of the high-frequency terminal group is better, the high-frequency terminal 81 is molding formed with the insulating piece 82 to form the high-frequency terminal module 80, and the high-frequency terminal module 80 is inserted into the corresponding terminal groove from back to front, so that the high-frequency terminal 81 is designed in a modular and plug-in manner, and the molding and plug-in of the high-frequency terminal 81 are integrated, thereby simplifying the assembly process of the high-frequency terminal 81, making the high-frequency terminal assembly simple, being more conducive to molding and manufacturing, improving the production and processing efficiency, and reducing the influence of impedance due to the separate wrapping of the insulating piece 82 on the high-frequency terminal 81, and the insulating piece 82 can separate the high-frequency terminal 81 from other terminals, thereby reducing the interference of other terminals on the high-frequency terminal 81.

[0059] One end of the high-frequency terminal 81 is provided with a bent first contact part 811, and the other end is provided with a bent first welding part 812; the insulating piece 82 is molding formed to wrap the middle part of the high-frequency terminal 81, the first contact part 811 is exposed in the insertion cavity 11, and the first welding part 812 is exposed outside the rear end of the insulating body 10. The front end of each of the ground terminal 30, the power terminal 40 and the signal terminal 50 is provided with a bent second contact part 101, the rear end of each of the ground terminal 30, the power terminal 40 and the signal terminal 50 is provided with a second welding part 102, the second contact part 101 is exposed in the insertion cavity 11, and the first welding part 812 and the second welding part 102 are both welded with a circuit board 90. In addition, the width of the high-frequency terminal 81 is greater than the width of the signal terminal 50, so that the high-frequency high-speed transmission performance of the high-frequency terminal 81 is better than that of the signal terminal 50.

[0060] The insulation part 82 is recessed with a through slot 821 on one side of the insulation body 10, and a middle part of the high-frequency terminal 81 is exposed in the through slot 821, so that the high-frequency terminal 81 can be cooled through the through slot 821 to avoid the problem of excessively high temperature.

[0061] The grounding terminal 30 is provided with two, and the insulation body 10 is provided with two first terminal slots 12 arranged in a symmetrical manner, and the grounding terminal 30 is inserted into the first terminal slot 12 from back to front; the power terminal 40 is provided with two, and the insulation body 10 is provided with two second terminal slots 13 arranged in a symmetrical manner, and the two second terminal slots 13 are located between the two first terminal slots 12, and the power terminal 40 is inserted into the second terminal slot 13 from back to front; the insulation body 10 is provided with a plurality of third terminal slots 14, and the plurality of third terminal slots 14 are located between the two second terminal slots 13, and the signal terminal 50 is inserted into the third terminal slot 14 from back to front; the fourth terminal slot 15 is arranged on the insulation body 10 between the first terminal slot 12 and the adjacent second terminal slot 13, and the high-frequency terminal module 80 is inserted into the fourth terminal slot 15 from back to front, so that by inserting the grounding terminal 30, the power terminal 40, the signal terminal 50, and the high-frequency terminal module 80 into the corresponding terminal slots from back to front, the terminal insertion structure design is realized, thereby simplifying the assembly process of the terminal, making the assembly simple, improving the production and processing efficiency, reducing the complexity of the terminal mold structure, simplifying the production of the terminal mold, and reducing the production cost.

[0062] The latch part 60 is in contact with the shielding shell 20, and the insulation body 10 has positioning grooves 16 on both sides, the positioning grooves 16 are communicated with the insertion cavity 11, the latch part 60 has latch parts 61 on both sides, the latch parts 61 are inserted into the corresponding positioning grooves 16 from back to front, and the latch parts 61 are exposed in the insertion cavity 11, by inserting the latch parts 61 into the corresponding positioning grooves 16 from back to front, the insertion structure design of the latch part 60 is realized, the assembly of the latch part 60 can be simplified, and the latch parts 61 of the latch part 60 can emit a sound through the elastic clamping of the latch parts 61 when the insertion is in place, prompting the insertion to be in place; and in this embodiment, the latch part 60 has a connecting part 62, the two latch parts 61 are integrally connected to both ends of the connecting part 62, and the connecting part 62 is molded to be covered with an insulation covering part 63, so as to realize the integral structure design of the latch part 60.

[0063] The middle part of the grounding terminal 30, the power terminal 40, the signal terminal 50 and the insulating part 82 is provided with a limiting stop 103, and the front end surface of the insulating covering part 63 is limited by the limiting stop 103, so that when the clamping hook part 60 is inserted between the upper and lower terminals, the upper and lower terminals can be spaced apart by the insulating covering part 63, and further interference between the upper and lower terminals is avoided.

[0064] The signal terminal 50 has the same width, so that the overall width of the signal terminal 50 is uniform, and high-frequency signal transmission can be adapted; the middle part of the signal terminal 50 is provided with a flow increasing part 51 formed by a protrusion on one side and a clamping point 52 formed by a protrusion on the other side, and the flow increasing part 51 is arranged on the signal terminal 50, which is equivalent to increasing the resistance value of the signal terminal 50, thereby improving the ability of the connector to transmit large current, effectively solving the problem of excessive temperature when the connector transmits large current, and the clamping point 52 arranged on the signal terminal 50 can make the connection of the signal terminal 50 and the insulating body 10 more stable.

[0065] The middle part of the grounding terminal 30, the power terminal 40, the signal terminal 50 and the insulating part 82 is provided with a limiting stop 103, and the front end surface of the insulating covering part 63 is limited by the limiting stop 103, so that when the clamping hook part 60 is inserted between the upper and lower terminals, the upper and lower terminals can be spaced apart by the insulating covering part 63, and further interference between the upper and lower terminals is avoided.

[0066] In the embodiment, the grounding terminal 30 and the power terminal 40 have the same structure; each grounding terminal 30 includes a first upper row of terminals and a first lower row of terminals symmetrically arranged up and down, and the first upper row of terminals and the first lower row of terminals are integrally connected together by a first connecting part; each power terminal 40 includes a second upper row of terminals and a second lower row of terminals symmetrically arranged up and down, and the second upper row of terminals and the second lower row of terminals are integrally connected together by a second connecting part; each signal terminal 50 includes a third upper row of terminals and a third lower row of terminals symmetrically arranged in space up and down, and correspondingly, each third terminal slot 14 includes terminal slot positions symmetrically arranged in space up and down.

[0067] In the embodiment, the high-frequency terminal module 80 is provided with four, the four high-frequency terminal modules 80 are divided into left and right two terminal groups, each terminal group includes two high-frequency terminal modules 80 arranged in an upper and lower symmetrical mode, each high-frequency terminal module 80 includes two high-frequency terminals 81 arranged in a left and right parallel mode, and the through slot 821 of the insulating part 82 of each high-frequency terminal module 80 is provided with two; the insulating part 82 of each high-frequency terminal module 80 is provided with a protruding portion 822, the protruding portions 822 of the upper and lower two high-frequency terminal modules 80 of each terminal group are arranged in a corresponding mode, a space 83 is formed between the upper and lower two high-frequency terminal modules 80 of each terminal group, the front end of the connecting piece 62 is integrally provided with an insertion protruding portion 64, the insertion protruding portion 64 is exposed at the front end of the insulating covering portion 63; the insertion protruding portion 64 is inserted into the space 83 from the rear to the front and is limited by the protruding portion 822, so as to space the insulating parts 82 of the upper and lower two high-frequency terminal modules 80 by the insertion protruding portion 64, prevent the insertion protruding portion 64 from being inserted too deeply by the protruding portion 822, and ensure that the insertion is in place.

[0068] In summary, the high-frequency terminal group is provided, the high-frequency high-speed passing performance is better, the high-frequency terminal is molded to form an insulating part to form a high-frequency terminal module, the high-frequency terminal module is inserted into the corresponding terminal slot from the rear to the front, the modular design and the plug-in design of the high-frequency terminal are realized, the molding and the plug-in are integrated, the assembly process of the high-frequency terminal is simplified, the high-frequency terminal is easy to assemble, the molding and the production are facilitated, the production and processing efficiency is improved, the impedance influence is reduced by the separate covering of the insulating part on the high-frequency terminal, the high-frequency terminal is spaced from other terminals by the insulating part, the interference of other terminals on the high-frequency terminal is reduced, the width of the signal terminal is the same, the overall width of the signal terminal is uniform, the high-frequency signal transmission is adapted, the flow increasing portion is arranged on the signal terminal, the resistance value of the signal terminal is increased, the connector transmission large current capacity is improved, the problem of high temperature of the connector when transmitting large current is effectively solved, and the clamping point is arranged on the signal terminal, the connection of the signal terminal and the insulating body is more stable.

[0069] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model are still within the technical range of the utility model.

Claims

1. A high-frequency high-speed transmission Type-C connector with large current, comprising an insulating body, a shielding shell, a ground terminal, a power terminal, a signal terminal and a latch; the shielding shell is wrapped outside the insulating body, and the latch is arranged on the insulating body; the insulating body has an insertion cavity with an opening facing forward, and has a plurality of terminal grooves which are communicated with the insertion cavity, and the ground terminal, the power terminal and the signal terminal are respectively inserted into the corresponding terminal grooves from back to front; characterized in that: The insulating body is provided with a high-frequency terminal group for high-frequency high-speed transmission, the high-frequency terminal group comprises a plurality of high-frequency terminal modules, the high-frequency terminal module comprises a high-frequency terminal and an insulating piece, the high-frequency terminal and the insulating piece are molding formed to form a high-frequency terminal module, and the high-frequency terminal module is inserted into a corresponding terminal slot from back to front.

2. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: One end of the high-frequency terminal is provided with a bent first contact part, and the other end is provided with a bent first welding part; the insulating piece is molding formed to cover the middle part of the high-frequency terminal, the first contact part is exposed in the insertion cavity, and the first welding part is exposed outside the rear end of the insulating body.

3. The high-frequency high-speed large-current Type-C connector according to claim 2, characterized in that: A through groove is recessed on one side of the insulating piece towards the insulating body, and part of the middle part of the high-frequency terminal is exposed in the through groove.

4. The high-frequency high-speed large-current Type-C connector according to claim 2, characterized in that: The front end of the grounding terminal, the power terminal and the signal terminal is provided with a bent second contact part, the rear end of the grounding terminal, the power terminal and the signal terminal is provided with a second welding part, the second contact part is exposed in the insertion cavity, and the first welding part and the second welding part are welded with a circuit board.

5. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: The grounding terminal is provided with two, the insulating body is provided with two first terminal slots arranged in a symmetrical manner, and the grounding terminal is inserted into the first terminal slot from back to front. The power terminal is provided with two, the insulating body is provided with two second terminal slots arranged in a symmetrical manner, the two second terminal slots are located between the two first terminal slots, and the power terminal is inserted into the second terminal slot from back to front. The insulating body is provided with a plurality of third terminal slots, the plurality of third terminal slots are located between the two second terminal slots, and the signal terminal is inserted into the third terminal slot from back to front. A fourth terminal slot is arranged on the insulating body between the first terminal slot and the adjacent second terminal slot, and the high-frequency terminal module is inserted into the fourth terminal slot from back to front.

6. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: The hook part is in contact with the shielding shell, both sides of the insulating body have positioning grooves, the positioning grooves are communicated with the insertion cavity, both sides of the hook part have hook parts, the hook parts are inserted into the corresponding positioning grooves from back to front, and the hook parts are exposed in the insertion cavity.

7. The high-frequency high-speed large-current Type-C connector according to claim 6, characterized in that: The hook part has a connecting piece, the two hook parts are integrally connected to two ends of the connecting piece respectively, the connecting piece is molding formed to be covered with an insulating covering part, the middle part of the grounding terminal, the power terminal, the signal terminal and the insulating piece all form limiting stop parts, and the front end surface of the insulating covering part is limited by the limiting stop parts.

8. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: One side of the middle part of the signal terminal is provided with a convex flow increasing part, and the other side of the middle part of the signal terminal is provided with a convex clamping point.

9. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: The signal terminal has the same width, and the width of the high-frequency terminal is greater than that of the signal terminal.

10. The high-frequency high-speed large-current Type-C connector according to claim 1, wherein: The front end of the insulating body is fixed with an EMC elastic sheet on the upper and lower surfaces, and the EMC elastic sheet is in contact with the shielding shell.

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