CN218632582U - USB Type C connector - Google Patents

Abstract

The utility model discloses a USBType C connector, it includes insulator and conductive terminal, the insulator includes intermediate transverse beam, follows the tongue plate of intermediate transverse beam forward extension reaches the follow the insulating main part of intermediate transverse beam backward extension, conductive terminal is including arranging the contact site of surface about the tongue plate and extending the welding foot of insulator still includes the metal front shell that adopts drawing tensile technology shaping, the metal front shell is located including the cover the last portion of cup jointing of intermediate transverse beam, the portion of cup jointing is hollow flat tubular structure around, and the metal front shell has the characteristic of high rigidity, strengthens intermediate transverse beam's structural strength, carries out the guard action to intermediate transverse beam, thereby can carry out the stability that improves the connector plug through the intensity of strengthening intermediate transverse beam when the user carries out the plug action.

Description

USB Type C connector

Technical Field

The utility model relates to an electric connector especially relates to a USBType C connector.

Background

USB 3.1 is the latest USB specification, which was launched by large companies such as intel. The data transmission speed can be increased to 10Gbps. Compared to existing USB technologies, the new USB technology uses a more efficient data encoding system and provides more than one time effective data throughput rate. USB 3.1 includes three types: type-A, type-B and Type-C. In 12 months 2013, the USB 3.0 promotion team has published a rendering of the next generation USB Type C connector, and then it is ready for mass production starting in 8 months 2014. The new version of the connector is highlighted by a thinner design, faster transmission speeds (up to 10 Gbps) and more aggressive power transmission (up to 100W). The biggest advantage is that the front and back insertion is supported, the problem that the USB is inserted inaccurately for ever is solved, and the front and back sides are inserted conveniently.

The existing USB Type C connector comprises an insulator and two rows of conductive terminals which are formed on the insulator in an insertion mode, wherein the insulator comprises a middle cross beam, a tongue plate extending forwards from the middle cross beam and an insulating main body extending backwards from the middle cross beam, and the conductive terminals are arranged on the upper surface and the lower surface of the tongue plate.

Therefore, it is necessary to design a new USB Type C connector to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve structural strength's USBType C connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a USBType C connector, its includes insulator and conductive terminal, the insulator includes middle crossbeam, follows the hyoplastron of middle crossbeam forward extension and follow the insulating main part of middle crossbeam backward extension, conductive terminal is including arranging the contact site of hyoplastron upper and lower surface and extending the welding foot of insulator, still includes the metal front shell that adopts to draw tensile technology shaping, the metal front shell is including the cup jointing portion of cover locating on the middle crossbeam, hollow flat tubular structure around the cup jointing portion is.

In a further improvement, the width and thickness of the middle cross beam are larger than those of the tongue plate.

In a further improvement, the insulator further comprises a metal rear shell covering at least a part of the insulator, the metal rear shell is formed by an MIM process, and the metal front shell and the metal rear shell are fixed together in a front-back mode.

In a further improvement, the metal front shell further comprises a main body wall which is vertically bent and extended from the periphery of the rear end of the sleeving part, the metal rear shell comprises a front end wall and a covering wall which is extended backwards from the front end wall, and the main body wall is fixed on the front surface of the front end wall.

In a further improvement, the front end wall is provided with a recess, the main body wall is laser welded in the recess, and the sleeve joint part protrudes forwards from the front end wall.

In a further improvement, the lower end of the front end wall is provided with a notch for the insulator to pass through, the metal front shell is further provided with a convex edge which is bent backwards and extends from the lower edge of the main body wall, and the convex edge covers the bottom of the notch.

Further improvement, front end wall lower limb is equipped with and is located the recess of breach left and right sides, both ends laser welding about the chimb is in the recess.

In a further improvement, the covering wall covers the upper side, the left side, the right side and the rear side of the insulator, and the left side and the right side are provided with fixing pins extending downwards and used for being fixed on the circuit board.

In a further improvement, the elastic washer further comprises an O-shaped elastic washer sleeved on the sleeving part, and the elastic washer comprises a base part positioned in the concave part and a convex rib protruding forwards from the base part and protruding out of the front end wall.

The improved structure comprises a middle beam part, wherein the middle beam part is provided with a groove, the insulator is divided into two sections by the groove, the two sections are disconnected front and back, the conductive terminal penetrates through the groove front and back, and the groove is filled with the waterproof colloid to seal the gap between the insulator and the conductive terminal.

The utility model discloses USBType C connector is still including adopting the fashioned metal front shell of drawing tensile technology, the metal front shell is located including the cover the last portion of cup jointing of intermediate cross beam, the hollow flat tubular structure around the portion of cup jointing is, and the metal front shell has the characteristic of high rigidity, strengthens intermediate cross beam's structural strength, carries out the guard action to intermediate cross beam, thereby can improve the stability of connector plug through the intensity of strengthening intermediate cross beam when the user carries out the plug action.

Drawings

Figure 1 is the utility model discloses USBType C connector's perspective view.

Fig. 2 is the utility model discloses the three-dimensional exploded view of another angle of USB Type C connector.

Figure 3 is the utility model discloses the cross-sectional view of USBType C connector.

Figure 4 is the utility model discloses USBType C connector's three-dimensional exploded view shows that the cushion ring is separated with other parts.

Figure 5 is the utility model discloses USBType C connector's three-dimensional exploded view.

Fig. 6 is a perspective exploded view of fig. 5, further exploded.

Figure 7 is the utility model discloses USB Type C connector's the detached three-dimensional exploded view of connector main part and waterproof colloid.

Fig. 8A to 8B are perspective views of the USB Type C connector of the present invention, in which the metal front shell and the metal rear shell are combined together.

Fig. 9A to 9B are exploded perspective views of the metal front shell and the metal rear shell of the USB Type C connector of the present invention after being separated.

Detailed Description

Referring to fig. 1 to 7, the utility model discloses a USB Type C connector 100, which includes a connector main body 10, a waterproof colloid 20, a metal front shell 30, a metal rear shell 40 and an O-ring 50.

The connector body 10 is an injection molded one-piece structure, and includes an insulator 11, two rows of conductive terminals 12 and a middle spacer 13, wherein the insulator 11 is injection molded on the conductive terminals 12 and the middle spacer 13.

The insulator 11 comprises a tongue plate 111 in the shape of a horizontal flat plate, a middle beam 112 and an insulating main body 113, wherein the tongue plate 111 is positioned at the front end of the insulator 11 and is formed by extending forwards from the center of the middle beam 112, the insulating main body 113 is positioned at the rear end of the insulator 11 and is formed by extending backwards from the middle beam 112, the middle beam 112 is connected between the tongue plate 111 and the insulating main body 113, and the thickness and the width of the middle beam 112 are larger than those of the tongue plate 111. The middle beam 112 is provided with a slot 114, and the slot 114 divides the middle beam 112 into two sections, which are separated front and back, of course, in other embodiments, the slot is a through hole or a blind hole.

The conductive terminals 12 are arranged in two rows, each row of conductive terminals 12 includes a middle portion 121, a contact portion 122 extending forward from the middle portion 121, and a soldering leg 123 extending from the middle portion 121 to the insulating body 113, the contact portions 122 are arranged on the upper and lower surfaces of the tongue plate 111, the middle portion 121 is embedded in the middle beam 112 and the insulating body 113 and passes through the slot 114 in the front-back direction, and the middle portion 121 is partially exposed in the slot 113. The soldering terminals 123 are arranged on the bottom surface of the insulating body 113 for soldering the circuit board 200.

The middle spacer 13 includes a pair of middle spacers 13 spaced apart from each other at left and right, each middle spacer 12 is disposed between two rows of conductive terminals 12 for shielding signal crosstalk between the two rows of conductive terminals 12, the middle spacers 13 also penetrate the slots 14 of the insulator 11 in front and back directions, and the rear ends are provided with tails 133 bent downward and extending out of the insulator 11 for connecting to the circuit board 200.

Further, the insulator 11 includes an upper insulator 1101, a lower insulator 1102 and a front insulator 1103, the upper insulator 1101 is provided with an upper slot 1141, the lower insulator 1102 is provided with a lower slot 1142, and the upper slot 1141 and the lower slot 1142 are aligned up and down and combined to form the slot 114. One row of conductive terminals 12 is insert molded into the upper insulator 1101 to form an upper terminal module, the other row of conductive terminals 12 and the middle spacer 13 are insert molded into the lower insulator 1102 to form a lower terminal module, and in other embodiments, the middle spacer 13 is sandwiched and fixed between the upper insulator 1101 and the lower insulator 1102.

The front insulator 1103 is injection molded on the outer sides of the upper terminal block, the lower terminal block, and the middle spacer 13 to form the connector body 10.

The waterproof colloid 20 is filled in the groove 114 of the insulator 11, so that the influence of the glue on the surrounding environment can be avoided. The waterproof colloid 20 is formed by solidifying liquid silica gel, and the silica gel has high liquidity, so that the glue can flow into the gaps among the insulator 11, the conductive terminals 12, the insulator 11, the middle spacer 13 and the like, the filling is complete, and the waterproof effect in the connector main body 10 can be realized.

As shown in fig. 8A to 9B, the metal front shell 30 is formed by a metal drawing and stretching process, and includes a sleeve portion 31, a main body wall 32 vertically bent and extended from a rear end periphery of the sleeve portion 31, and a flange 33 vertically bent and extended from a lower edge of the main body wall 32 rearward, wherein the sleeve portion 31 is a front and rear hollow flat tubular structure, the main body wall 32 is a vertical plate perpendicular to each wall surface of the sleeve portion 31, and the flange 33 is a horizontal plate. The sleeving part 31 is sleeved on the middle cross beam 112 of the insulator 11 and surrounds and clamps the colloid 20, and the width and the thickness of the inner hole of the sleeving part 31 and the middle cross beam 112 are basically the same. Because the sleeving part 31 surrounds and clamps the waterproof colloid 20, the waterproof colloid 20 is sealed by the metal front shell 30, the waterproof colloid 20 heated at high temperature has no space expansion, the waterproof colloid 20 can be stably combined with the insulator 11 and the conductive terminal 12, the gap between the insulator 11 and the conductive terminal 12 is sealed, the air tightness is more stable, and the waterproof effect is better.

The Metal rear shell 40 is formed by a Metal Injection Molding (MIM) process, and has high hardness, the Metal rear shell 40 is located behind the Metal front shell 30, and covers downward on the insulating main body 113 of the insulator 10, and includes a front end wall 41 and a covering wall 42 extending rearward from the front end wall 41, the front end wall 41 is a vertical plate body, and is provided with a recess 411 and lugs 412 located on the left and right sides of the recess 411. The recess 411 is provided on the front end surface of the front end wall 41, a notch 413 is further provided on the lower end of the front end wall 41, the notch 413 and the recess 411 pass through in the front-rear direction, the intermediate beam 122 is partially inserted and fixed in the notch 413, the main body wall 32 of the metal front case 30 is accommodated in the recess 411, and both are fixed by laser welding. The convex edge 33 covers the bottom of the notch 413, the left end and the right end are laser welded to the lower edge of the front end wall 41, the lower edge of the front end wall 41 is provided with grooves 415 for accommodating the two ends of the convex edge 33, and the lower surfaces of the convex edge 33 and the lug 412 are coplanar. The socket 31 protrudes forward from the front end wall 41, and the lug 412 is provided with a fixing hole 414 penetrating the lug 412 forward and backward for fixing the USB Type C connector 100 on the housing. The cover wall 42 covers the upper side, left and right sides, and rear side of the insulating main body 113, and the left and right ends are provided with fixing legs 421 extending downward for fixing on the circuit board 200.

The elastic washer 50 is sleeved on the sleeve portion 3 of the metal front shell 30 forward and abuts against the main body wall 32 backward, the elastic washer 50 includes a base 51 and a rib 52 protruding forward from the base 51, the base 51 and the rib 52 are respectively O-shaped, the base 51 is simultaneously accommodated in the concave portion 411 of the metal rear shell 40, and the rib 52 protrudes from the front end wall 41 of the metal rear shell 40.

The utility model discloses shell 30 adopts the metal to draw tensile technology shaping before Type C connector 100's the metal, cup joint portion 31 is the hollow tubular structure, cup joint portion 31 cover is located on insulator 11's intermediate transverse beam 112, shell 30 and metal backshell 40 combine the back before the metal, have the characteristic of high rigidity, strengthen intermediate transverse beam 112's structural strength, carry out the guard action to intermediate transverse beam 112, thereby can carry out the stability of plug improvement connector through the intensity of strengthening intermediate transverse beam 122 when the user carries out the plug action.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims (10)

1. The utility model provides a USBType C connector, its includes insulator and conductive terminal, the insulator includes middle crossbeam, follows the tongue board of middle crossbeam forward extension and follow the insulating main part of middle crossbeam backward extension, conductive terminal is including arranging the contact site on the upper and lower surface of tongue board and extending the welding foot of insulator, its characterized in that: the metal front shell is formed by adopting a drawing and stretching process, and comprises a sleeving part sleeved on the middle cross beam, wherein the sleeving part is a front and rear hollow flat tubular structure.

2. The USB Type C connector of claim 1, wherein: the width and the thickness of the middle cross beam are larger than those of the tongue plate.

3. The USB Type C connector of claim 1, wherein: the metal rear shell is formed by an MIM process, and the metal front shell and the metal rear shell are fixed together in a front-back mode.

4. The USB Type C connector of claim 3, wherein: the metal front shell further comprises a main body wall which is vertically bent and extended from the periphery of the rear end of the sleeving part, the metal rear shell comprises a front end wall and a covering wall which is extended backwards from the front end wall, and the main body wall is fixed on the front surface of the front end wall.

5. The USB Type C connector of claim 4, wherein: the front end wall is provided with a concave part, the main body wall is welded in the concave part through laser, and the sleeve joint part protrudes forwards from the front end wall.

6. The USB Type C connector of claim 4, wherein: the insulator passes through the front end wall, the metal front shell is provided with a convex edge which is bent backwards and extends from the lower edge of the main body wall, and the bottom of the gap is covered by the convex edge.

7. The USB Type C connector of claim 6, wherein: the front end wall lower limb is equipped with and is located the recess of breach left and right sides, both ends laser welding about the chimb in the recess.

8. The USB Type C connector of claim 4, wherein: the shielding wall covers the upper side, the left side, the right side and the rear side of the insulator, and fixing pins extending downwards are arranged on the left side and the right side and are used for being fixed on the circuit board.

9. The USB Type C connector of claim 5, wherein: the elastic gasket comprises a base located in the concave part and a convex rib protruding forwards from the base and protruding out of the front end wall.

10. The USB Type C connector of claim 1, wherein: still include and prevent the hydrocolloid, middle crossbeam portion is equipped with the fluting, the fluting will the insulator is divided for the two segmentation of disconnection around, conductive terminal wears to establish around the fluting, waterproof colloid fill in the fluting seals the insulator with conductive terminal's clearance.

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