CN217607064U

CN217607064U - Type-C connector capable of bearing large current

Info

Publication number: CN217607064U
Application number: CN202221854294.0U
Authority: CN
Inventors: 刘贤告; 高丹丹
Original assignee: Dongguan Hankers Electronic Technology Co ltd
Current assignee: Dongguan Hankers Electronic Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-10-18
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a Type-C connector capable of bearing large current, which comprises an insulating body, a shielding shell, an upper terminal row and a lower terminal row, wherein the insulating body is arranged in the shielding shell, the insulating body comprises a base part and a tongue plate, and positioning concave parts are respectively arranged on two sides of the tongue plate; the upper terminal row and the lower terminal row respectively comprise a plurality of signal terminals, positive terminals and negative terminals which are arranged side by side; the signal terminal and the positive and negative terminals have extension parts respectively, and the cross-sectional areas of the extension parts of the positive and negative terminals are respectively larger than the cross-sectional area of the extension part of the signal terminal; the extension part of the positive terminal comprises a contact section and a hidden section which are integrally connected, the upper surface of the contact section is exposed out of the tongue plate, and the hidden section is hidden in the tongue plate; the extending part of the negative terminal is located on the side part of the tongue plate, and the extending part of the negative terminal transversely extends to two sides along the width direction and extends to the positioning concave part towards one outer side. Therefore, the load capacity of the connector is improved by improving the structure of the positive and negative terminals.

Description

Type-C connector capable of bearing large current

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a can bear Type-C connector of heavy current.

Background

The tide for the USB Type-C connector was first brought up by apple, and the advent of new macwood brought the USB Type-C powerful technology into our view. USB Type-C is an interface specification, and it comprises Type-C plug and Type-C socket. Type-C is the most promising data interface for development among various mobile devices and PCs. With the gradual maturity of Tpe-C technology, all new commercial electronic products are also selected and configured with full Type-C interfaces in 2017.

In fact, the most intuitive advantage of the Type-C connector is that you can get rid of the trouble of plugging wires completely, and the inherent outstanding front and back pluggable interface design can avoid the situation of component damage caused by misplugging or after a fault. More importantly, the Type-C interface has strong compatibility, so that the Type-C interface becomes a standardized interface which can be connected with a PC (personal computer), a game host, a smart phone, a storage device and expand all electronic devices equally, and unification of data transmission and power supply is realized, for example, two display devices are tightly combined together through a Type-C line. In addition, type-C also supports the USB3.1 standard. The standard power supply is 100W at most, and both the voltage and the current can be increased; the coding consumption is reduced from 20% of 3.0 to 3%. In other words, the user can quickly transfer data and video through Type-C, or charge faster.

However, the width of the conventional Type-C connector terminal is limited by the industry standard parameter, and is generally narrow, so that the allowable passing current value is small, and the conventional Type-C connector terminal cannot be applied to electronic products with large current loads. Therefore, the existing Type-C connector should be improved to improve the current carrying capacity thereof, so that the connector can be widely applied to electronic products with higher power.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a Type-C connector capable of carrying large current, which enlarges the cross-sectional areas of the positive terminal and the negative terminal by improving the structure of the positive terminal and the negative terminal of the connector. Therefore, the current carrying capacity of the connector is improved, the connector has the performance of passing large current, the requirement of high-power electronic products is met, and the application range of the Type-C connector is expanded.

In order to realize the purpose, the utility model adopts the following technical proposal:

a Type-C connector capable of bearing large current comprises an insulating body, a shielding shell, an upper terminal row and a lower terminal row, wherein the insulating body is arranged in the shielding shell and comprises a base part and a tongue plate positioned on the front side of the base part, and positioning concave parts are respectively arranged on two sides of the tongue plate; the upper terminal row and the lower terminal row are integrally formed in the insulating body, and the upper terminal row and the lower terminal row respectively comprise a plurality of signal terminals, positive terminals and negative terminals which are arranged side by side; the signal terminal, the positive terminal and the negative terminal are respectively provided with an extension part, and the cross sectional area of the extension parts of the positive terminal and the negative terminal is respectively larger than that of the extension part of the signal terminal; the extension part of the positive terminal comprises a contact section and a hidden section which are integrally connected, the upper surface of the contact section is exposed out of the tongue plate, the hidden section is hidden in the tongue plate, and the hidden section of the positive terminal of the upper terminal row is electrically contacted with the hidden section of the positive terminal of the lower terminal row; the extending part of the negative terminal is positioned at the side part of the tongue plate, the extending part of the negative terminal transversely extends to two sides along the width direction of the extending part, and the extending part extends to the positioning concave part from one side to the other side; the extension of the negative terminal of the upper terminal row and the extension of the negative terminal of the lower terminal row are electrically contacted with each other.

As a preferred scheme: the outward side of the extension part of the negative terminal is extended to be flush with the positioning concave part.

As a preferred scheme: the upper end sub-module and the lower end sub-module are matched with each other to be integrally embedded in the insulation body; the upper end sub-module comprises a terminal seat and the upper terminal row embedded on the terminal seat; the lower terminal module comprises a terminal seat and a lower terminal row embedded on the terminal seat, the upper terminal row and the lower terminal row respectively comprise a plurality of signal terminals, two positive terminals and two negative terminals, the two negative terminals are positioned at the edges of two sides of the terminal seat, and the two positive terminals and the plurality of signal terminals are positioned between the two negative terminals; the upper surface of the contact section of the positive terminal is flush with the upper surface of the signal terminal, and the hidden section of the positive terminal is completely covered by the terminal seat.

As a preferred scheme: the negative terminal of the upper terminal sub-module and the negative terminal of the lower terminal sub-module correspond to each other up and down, the central clamping hook is clamped between the negative terminal of the upper terminal sub-module and the negative terminal of the lower terminal sub-module and is electrically contacted with the negative terminal, and the negative terminal of the upper terminal row is electrically connected with the negative terminal of the lower terminal row through the central clamping hook.

As a preferred embodiment: the front end and the rear end of the hidden section and the contact section of the positive terminal are respectively and correspondingly connected into a whole.

As a preferred scheme: the cross-sectional areas of the hidden section and the contact section of the positive terminal are respectively larger than the cross-sectional area of the signal terminal.

As a preferred scheme: the extension part of the negative terminal is embedded at the side part of the terminal seat, and the upper surface of the extension part is exposed outside the terminal seat; the central hook is clamped between the negative terminals of the upper terminal row and the lower terminal row and is in surface contact with the negative terminals.

As a preferred embodiment: the side part of the central clamping hook integrally protrudes and extends towards the outside of the terminal seat to form a contact convex part which is used for contacting with a shielding shell of a matched connector so as to realize grounding.

As a preferred embodiment: two sides of the terminal seat are respectively provided with two matching columns at intervals, the two central clamping hooks are provided with matching holes corresponding to the matching columns, and the matching columns are matched with the matching holes in an inserting mode.

As a preferred embodiment: the middle part of the outer edge of the central clamping hook is inwards concave to form a fixed notch which forms triangular positioning for the central clamping hook together with the two matching holes; the front end of the central clamping hook is provided with a fixing hole, and the rear end of the central clamping hook is provided with an L-shaped fixing part; a fixing groove is formed in the edge of the inner side of the central clamping hook and is located between the two matching holes.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, by technical scheme can know, through the extension of the positive terminal with the connector for by the contact segment with hide the form of section combination with enlarge positive terminal extension whole width and cross-sectional area to transversely extend the extension of negative terminal to the tongue edge, increased the extension width and the cross-sectional area of negative terminal. Therefore, the whole conductive area of the positive terminal and the negative terminal is increased, the heavy current load capacity of the connector is improved, the use requirement of high-power electronic products can be met, and the application range of the connector is effectively expanded.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a perspective view of the connector of the present invention;

FIG. 2 is an exploded perspective view of the connector of the present invention;

FIG. 3 is a further exploded perspective view of the connector of the present invention;

fig. 4 is a schematic separated perspective view of the upper terminal module and the lower terminal module of the present invention;

fig. 5 is a perspective view of the upper terminal strip of the present invention;

fig. 6 is a perspective view of the lower terminal strip of the present invention;

fig. 7 is a perspective view of the shielding case of the present invention.

The attached drawings indicate the following:

10. an insulating body; 11. a base; 12. a tongue plate; 13. a bump; 14. a positioning groove; 15. riveting the groove; 16. a positioning recess; 20. a shielding housing; 21. a notch; 22. a positioning projection; 23. riveting the fixing pins; 30. an upper end sub-module; 31. a terminal base; 32. an upper terminal row; 33. positioning holes; 40. a lower end sub-module; 41. a terminal base; 42. a lower terminal row; 43. a positioning column; 50. a central hook; 51. a contact projection; 52. a mating hole; 53. fixing the notch; 54. a fixing hole; 55. an L-shaped fixing portion; 56. fixing the groove; 60. a signal terminal; 61. an extension portion; 70. a positive terminal; 71. a contact section; 72. an extension portion; 73. a hidden segment; 80. a negative terminal; 81. an extension bump; 82. an extension portion; 90. a mating post.

Detailed Description

The utility model discloses as shown in fig. 1 to 7, a can bear Type-C connector of heavy current, including insulator 10, shielding shell 20, last submodule piece 30, lower submodule piece 40 and two central trip 50, wherein:

the insulating body 10 is installed in a shielding shell 20, and comprises a base 11 and a tongue plate 12 integrally arranged on the front side of the base 11; a bump 13 is protruded from the side of the base 11 of the insulating body 10, a gap 21 is formed on the side wall of the tail of the shielding shell 20 corresponding to the bump, and the bump 13 is embedded in the gap 21. Positioning protrusions 22 are formed on the top wall and the bottom wall of the shielding housing 20 in a concave manner, positioning grooves 14 are formed on the upper surface and the lower surface of the base 11 of the insulating body 10 corresponding to the positioning protrusions 22, respectively, and the positioning protrusions 22 are embedded in the positioning grooves 14. And the tail part of the top wall of the shielding shell 20 is provided with a riveting fixing pin 23, a riveting groove 15 is arranged on the base part 11 of the insulating body 10 corresponding to the riveting fixing pin 23, the riveting fixing pin 23 is riveted and fixed in the riveting groove 15, and the insulating body 10 and the shielding shell 20 are firmly combined through the matching of the positioning convex part 22 and the positioning groove 14 and the matching of the riveting fixing pin and the riveting groove 15. Positioning concave parts 16 are respectively arranged on two sides of the tongue plate 12 of the insulating body 10, and the positioning concave parts 16 are the matching structure when the connector is plugged with the mating connector.

The upper end sub-module 30 and the lower end sub-module 40 are matched with each other to be integrally embedded in the insulation body 10; the upper end sub-module 30 comprises a terminal block 31 and an upper terminal strip 32 embedded on the terminal block 31; the lower terminal module 40 includes a terminal base 41 and a lower terminal row 42 embedded on the terminal base 41, a plurality of positioning holes 33 are formed on the terminal base 31 of the upper terminal module 30, a plurality of positioning posts 43 are disposed on the terminal base of the lower terminal module 40 corresponding to the plurality of positioning holes 33, and after the upper terminal module 30 and the lower terminal module 40 are matched with each other, the positioning posts 43 are inserted into the positioning holes 33.

The upper terminal row 32 and the lower terminal row 42 respectively include a plurality of signal terminals 60, two positive terminals 70 and two negative terminals 80, the plurality of signal terminals 60, the positive terminals 70 and the negative terminals 80 are arranged side by side, the signal terminals 60 have extension portions 61 (the extension portions 61 are used for contacting with the conductive terminals of the mating connector), the positive terminals 70 have extension portions 72 (the extension portions 72 are used for contacting with the conductive terminals of the mating connector), and the negative terminals 80 have extension portions 82; the negative terminals 80 are located at two side edges of the terminal block, and the two positive terminals 70 and the plurality of signal terminals 60 are located between the two negative terminals 80; in the present embodiment, specifically, two positive terminals 70 are located at two sides of the plurality of signal terminals 60, two negative terminals 80 are located at two sides of the two positive terminals 70, and the cross-sectional areas of the extending portions of the positive terminals 70 and the negative terminals 80 are both larger than the cross-sectional area of the signal terminals 60; in addition, according to actual needs, another signal terminal 60 may be added between the positive terminal 70 and the negative terminal 80 to bring the connector conductive terminal to a full PIN state.

The negative terminal 80 of the upper sub-module 30 and the negative terminal 80 of the lower sub-module 40 correspond to each other up and down, the central hook 50 is clamped between the negative terminal 80 of the upper sub-module 30 and the negative terminal 80 of the lower sub-module 40, and the central hook 50 is electrically contacted with the negative terminal 80; the soldering portions of the upper terminal row 32 and the lower terminal row 42 are all SMT type.

The extension part 72 of the positive terminal 70 comprises a contact section 71 (the contact section 71 is used for contacting with a mating connector conductive terminal) and a hidden section 73 which are integrally connected, the upper surface of the contact section 71 is exposed out of the tongue plate 12, and the hidden section 73 is hidden in the tongue plate 12; the hidden section 73 of the positive terminal 70 of the upper terminal row 32 is electrically contacted with the hidden section 73 of the positive terminal 70 corresponding to the upper and lower parts of the lower terminal row 42; specifically, when the upper terminal module 30 and the lower terminal module 40 are integrally formed in the insulating body 10, the upper and lower corresponding hidden sections 73 are attached to each other to form an electrical connection (when the hidden section 73 is embedded in the terminal base corresponding to the upper terminal module 30, the lower surface thereof is exposed to the bottom of the terminal base, and when the hidden section 73 is embedded in the terminal base corresponding to the lower terminal module 40, the upper surface thereof is exposed to the top of the terminal base, and when the upper terminal module 30 and the lower terminal module 40 are mutually matched, the lower surface of the hidden section 73 of the upper terminal module 30 is attached to the upper surface of the hidden section 73 of the lower terminal module 40) so that a large current can pass through. The contact section 71 and the hidden section 73 are formed on the extension 72 by puncturing or blanking, and the specific forming manner is not limited. The contact section 71 is flush with the upper surface of the signal terminal 60 (in this embodiment, the contact section 71 is close to the signal terminal 60) so as to facilitate the electrical conduction with the mating connector together with the plurality of signal terminals 60; the hidden section 73 is lower than the upper surface of the signal terminal 60 and is completely covered by the terminal block when being matched with the terminal block, on the premise that the area of the plugging part of the connector is not changed, the hidden section 73 hidden in the terminal block is equivalent to the extension of the contact section 71, the whole width and the cross section area of the positive terminal 70 are enlarged, the positive terminal 70 can pass through large current, and meanwhile, the plugging of the connector and a matched connector cannot be influenced. In addition, the hidden section 71 hidden in the terminal block makes the combination structure of the positive terminal 70 and the terminal block more, and can enhance the combination stability of the positive terminal 70 and the terminal block. The contact section 71 and the hidden section 73 are arranged in a vertically staggered manner, the front end of the contact section 71 is integrally connected with the front end of the hidden section 73, and the rear end of the contact section 71 is integrally connected with the rear end of the hidden section 73, so that the overall stability and the effective conductor area of the positive terminal 70 are improved, and the conductivity of the positive terminal is improved; the cross-sectional areas of the contact section 71 and the hidden section 73 are respectively larger than the cross-sectional area of the signal terminal 60, and the cross-sectional area of the extending part of the positive terminal 70 is more than twice of the cross-sectional area of the signal terminal 60, so that the large-current carrying capacity of the positive terminal 70 is further improved.

The negative terminal 80 is embedded at the side part of the terminal seat, and the upper surface of the negative terminal is exposed outside the terminal seat; the extension part 82 of the negative terminal 80 extends laterally to both sides along the width direction thereof and extends to the positioning recess 16 toward the outer side; in the present embodiment, an outward side of the positioning recess extends to be flush with the positioning recess 16, and a corresponding position of the outward side of the positioning recess 16 can be set as required; this design increases the width and cross-sectional area of the extension 82 of the negative terminal 80. Therefore, the actual width and cross-sectional area of the extension 82 of the negative terminal 80 in the present application are much larger than the width of the negative terminal of the conventional Type-C connector, providing an advantage for the connector to carry large current.

The central hook 50 is clamped between the negative terminals 80 of the upper terminal row 32 and the lower terminal row 42, and the central hook 50 is in surface contact with the negative terminals 80; the upper surface or the lower surface of the negative terminal 80 is in surface contact with the central hook 50, and compared with the traditional point contact mode, the surface contact is more beneficial to passing large current; in addition, the width of the negative terminal 80 is much greater than that of the signal terminal 60, and the matching of the positive terminal 70 and the negative terminal 80 further improves the large current carrying capacity of the connector, so that the connector can be widely applied to high-power electronic products. The extending portion 82 of the negative terminal 80 of the upper terminal row 32 and the extending portion 82 of the negative terminal 80 of the lower terminal row 42 are electrically contacted with each other, specifically, the central hook 50 electrically connects the extending portions 82 of the negative terminals 80 corresponding to each other up and down so as to cooperate with the positive terminal 70 to allow a large current to pass through.

The side of the central hook 50 is integrally protruded to the outside of the terminal base to form a contact protrusion 51 for contacting with the shielding shell 20 of the mating connector to realize grounding.

Two sides of the terminal base are respectively provided with two matching posts 90 at intervals, the two central hooks 50 are provided with matching holes 52 corresponding to the matching posts 90, and the matching posts 90 are inserted and matched with the matching holes 52. The middle part of the outer edge of the central clamping hook 50 is concavely provided with a fixed notch 53 which forms triangular positioning for the central clamping hook 50 together with the two matching holes 52; a fixing hole 54 is arranged at the front end of the central clamping hook 50, and an L-shaped fixing part 55 is arranged at the rear end; a fixing groove 56 is formed at the inner edge of the central hook 50, and the fixing groove 56 is located between the two matching holes 52. The design of the fixing notch 53, the fixing hole 54, the L-shaped fixing portion 55 and the fixing groove 56 can make the glue enter into the structure when the central hook 50 is embedded in the terminal base and wrapped in the insulating body 10, so that the central hook 50 and the negative terminal 80 matched with the central hook are tightly embedded in the terminal base and the insulating body 10. The edge of the front end side of the negative terminal 80 is provided with an extending bump 81 corresponding to the position of the contact convex part 51, and the extending bump 81 is attached to the contact convex part 51 so as to increase the contact area between the negative terminal 80 and the central hook 50 and improve the conductive stability.

The utility model discloses a design focus lies in, through the extension of the positive terminal with the connector for by the contact segment with hide the form of section combination in order to enlarge the whole width of positive terminal extension and cross-sectional area to transversely extend the extension of negative terminal to the tongue edge, increased the extension width and the cross-sectional area of negative terminal. Therefore, the whole conductive area of the positive terminal and the negative terminal is increased, the heavy current load capacity of the connector is improved, the use requirement of high-power electronic products can be met, and the application range of the connector is effectively expanded.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a can bear Type-C connector of heavy current which characterized in that: the insulation structure comprises an insulation body, a shielding shell, an upper terminal row and a lower terminal row, wherein the insulation body is arranged in the shielding shell and comprises a base part and a tongue plate positioned on the front side of the base part, and positioning concave parts are respectively arranged on two sides of the tongue plate; the upper terminal row and the lower terminal row are integrally formed in the insulating body, and the upper terminal row and the lower terminal row respectively comprise a plurality of signal terminals, positive terminals and negative terminals which are arranged side by side; the signal terminal, the positive terminal and the negative terminal are respectively provided with an extension part, and the cross sectional area of the extension parts of the positive terminal and the negative terminal is respectively larger than that of the extension part of the signal terminal; the extension part of the positive terminal comprises a contact section and a hidden section which are connected integrally, the upper surface of the contact section is exposed out of the tongue plate, the hidden section is hidden in the tongue plate, and the hidden section of the positive terminal of the upper terminal row is electrically contacted with the hidden section of the positive terminal of the lower terminal row; the extending part of the negative terminal is positioned at the side part of the tongue plate, the extending part of the negative terminal transversely extends to two sides along the width direction of the extending part, and the extending part extends to the positioning concave part from one side to the other side; the extension portion of the negative terminal of the upper terminal row and the extension portion of the negative terminal of the lower terminal row are electrically contacted with each other.

2. A high current carrying Type-C connector according to claim 1, wherein: the outward side of the extension of the negative terminal is extended to be flush with the positioning recess.

3. A high current carrying Type-C connector according to claim 1, wherein: the upper end sub-module and the lower end sub-module are matched with each other to be integrally embedded in the insulation body; the upper end sub-module comprises a terminal seat and the upper terminal row embedded on the terminal seat; the lower terminal module comprises a terminal seat and a lower terminal row embedded on the terminal seat, the upper terminal row and the lower terminal row respectively comprise a plurality of signal terminals, two positive terminals and two negative terminals, the two negative terminals are positioned at the edges of two sides of the terminal seat, and the two positive terminals and the plurality of signal terminals are positioned between the two negative terminals; the upper surface of the contact section of the positive terminal is flush with the upper surface of the signal terminal, and the hidden section of the positive terminal is completely covered by the terminal seat.

4. A high current carrying Type-C connector according to claim 3, wherein: the negative terminal of the upper terminal sub-module and the negative terminal of the lower terminal sub-module correspond to each other up and down, the central clamping hook is clamped between the negative terminal of the upper terminal sub-module and the negative terminal of the lower terminal sub-module and electrically contacted with the negative terminal, and the negative terminal of the upper terminal row is electrically connected with the negative terminal of the lower terminal row through the central clamping hook.

5. A high current carrying Type-C connector according to claim 1, wherein: the front end and the rear end of the hidden section and the contact section of the positive terminal are respectively and correspondingly connected into a whole.

6. A high current carrying Type-C connector according to claim 1, wherein: the cross-sectional areas of the hidden section and the contact section of the positive terminal are respectively larger than the cross-sectional area of the signal terminal.

7. A high current carrying Type-C connector according to claim 3, wherein: the extension part of the negative terminal is embedded at the side part of the terminal seat, and the upper surface of the extension part is exposed outside the terminal seat; the central hook is clamped between the negative terminals of the upper terminal row and the lower terminal row and is in surface contact with the negative terminals.

8. A high current carrying Type-C connector according to claim 7, wherein: the side part of the central clamping hook integrally protrudes and extends towards the outside of the terminal seat to form a contact convex part which is used for contacting with a shielding shell of a matched connector so as to realize grounding.

9. A high current carrying Type-C connector according to claim 3, wherein: two sides of the terminal seat are respectively provided with two matching columns at intervals, the two central clamping hooks are provided with matching holes corresponding to the matching columns, and the matching columns are inserted and matched with the matching holes.

10. A high current carrying Type-C connector according to claim 9, wherein: the middle part of the outer edge of the central clamping hook is inwards concave to form a fixed notch which forms triangular positioning for the central clamping hook together with the two matching holes; the front end of the central clamping hook is provided with a fixing hole, and the rear end of the central clamping hook is provided with an L-shaped fixing part; a fixing groove is formed in the edge of the inner side of the central clamping hook and is located between the two matching holes.