CN203166177U - Assembly structure of multi-layer USB3.0 connector - Google Patents

Abstract

The utility model belongs to the technical field of the electric connector technique and specifically relates to an assembly structure who relates to multilayer USB3.0 connector, it including: a first insulating body, a second insulating body, a middle connecting piece and a shell; different terminals are combined on the first insulating main body and the second insulating main body in an injection molding and implanting combination mode, the middle connecting piece is grafted on the first insulating main body and the second insulating main body, and a first tongue piece of the first insulating main body and a second tongue piece of the second insulating main body are enabled to protrude in the same direction and are in a vertical layer relation; the shell wraps the first insulating main body and the second insulating main body, a socket which can be matched with the first insulating main body in an externally inserted mode is formed in the shell, and the first tongue piece of the first insulating main body and the second tongue piece of the second insulating main body are contained in the socket. The utility model discloses effectively simplify the preparation technology, make things convenient for the shaping preparation, structural nature is good after the shaping, and the position between the terminal is stable, does not receive the influence in equipment clearance, and the performance is excellent, promotes the performance.

Description

Assembly structure of multi-layer USB3.0 connector

technical field

The utility model relates to the technical field of electrical connectors, in particular to a USB connector.

Background technique

The USB electrical connector has the function of plug and pull, and realizes the fast connection and transmission of signals, so it is widely used at present. The USB electrical connector has also been gradually upgraded from the initial low-level function, and the USB3.0 connector has also come out one after another. Its function is relatively improved and its application is wider, but the existing USB3. 0 connector, due to structural defects, it is inconvenient to assemble and process, and the position error between the assembled terminals is large, which affects the use of plugging, so the defect rate is high, the production efficiency is low, and the cost increases, which is not conducive to USB3 .0 connector development.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art, and provide an assembly structure of a multi-layer USB3.0 connector with simple structure, easy manufacture and assembly, stable position between terminals, excellent performance, and improved use efficiency.

In order to achieve the above object, the utility model adopts the following technical solutions:

The assembly structure of the multi-layer USB3.0 connector includes:

A first insulating body, the first insulating body has a first root and a first tongue protruding from the first root, a plurality of first terminals are injection molded together with the first insulating body, the first terminals of the first The contact portion is exposed on one side of the first tongue, and a first terminal embedding groove is provided on the side of the first tongue exposing the first contact portion of the first terminal, and the first terminal is embedded The groove is used for embedding and exposing the second contact portion of the second terminal; the second fixing portion of the second terminal is embedded in the first terminal fixing groove connected to the first terminal embedding groove on the first root portion;

A second insulating body, the second insulating body has a second root and a second tongue protruding from the second root, a plurality of third terminals are injection molded together with the second insulating body, the third terminals of the third The contact portion is exposed on one side of the second tongue, and a second terminal embedding groove is also provided on the side of the second tongue exposing the third contact portion of the third terminal, and the second terminal is embedded The groove is used for embedding and exposing the fourth contact part of the fourth terminal; the fourth fixing part of the fourth terminal is embedded in the second terminal fixing groove on the second root part which communicates with the embedding groove of the second terminal;

An intermediate connector, grafting the first insulating body and the second insulating body, so that the first tongue of the first insulating body and the second tongue of the second insulating body protrude in the same direction and are in an upper-lower relationship;

A casing wraps the first insulating body and the second insulating body, and the casing forms a socket that can be mated with the outside, and the first tongue of the first insulating body and the second tongue of the second insulating body are accommodated in the socket Inside.

The above solution further includes: the intermediate connecting piece is flat, the intermediate connecting piece is arranged in parallel with the first tongue and the second tongue, and an inner shell is assembled on the end of the intermediate connecting piece facing the socket of the outer shell, and the inner shell has respectively Facing the upper and lower sides of the first tongue and the second tongue, and on the upper and lower sides of the inner shell, there are shrapnels for auxiliary insertion; the other end of the intermediate connector is provided with a first hanging groove and a second hanging groove, The first hanging groove is matched with the first hanging arm protruding from the first insulating body; the second hanging groove is matched with the second hanging arm protruding from the second insulating body.

The above solution further includes: the inner shell is U-shaped, the inner shell covers the end of the intermediate connector facing the socket of the outer shell, and the outer shell is provided with an inwardly folded leg to press the inner shell.

The above solution further includes: the first contact portion of the first terminal is planar, and the second contact portion of the second terminal is a curved elastic structure, and the first contact portion and the second contact portion are exposed on the first tongue. on the same side, and the first contact portion is located in front of the second contact portion.

The above solution further includes: the third contact portion of the third terminal is planar, and the fourth contact portion of the fourth terminal is a curved elastic structure, and the third contact portion and the fourth contact portion are exposed on the second tongue. on the same side, and the third contact portion is located in front of the fourth contact portion.

The above solution further includes: the first insulating body is located above the second insulating body, the first welding leg of the first terminal on the first insulating body, the second welding leg of the second terminal and the third welding leg on the second insulating body The third welding leg of the terminal and the fourth welding leg of the fourth terminal are both bent and protruded toward the same side of the second insulating body, and a guard plate is assembled on the second insulating body, and the guard plate is provided with through holes for the second insulating body respectively. The first welding foot, the second welding foot, the third welding foot and the fourth welding foot pass through, and the protective plate is embedded in the second root of the second insulating body.

The above scheme is further as follows: a clasp is provided on the side of the guard plate, and the clasp is fastened into the clasp groove formed on the inner side of the clamp arm formed on the second root of the second insulating body, the clamp arm clamps the guard plate, and the clasp hook With the buckle groove to achieve anti-back buckle connection.

The different terminals on the two insulating main bodies of the utility model are combined to the insulating main body by injection molding and assembly respectively, and then the first insulating main body and the second insulating main body are grafted through the intermediate connector to form a whole. This composite manufacturing mode, It effectively simplifies the manufacturing process, facilitates molding and manufacturing, and effectively determines the positional relationship between the terminals. After molding, the structure is good, the position between the terminals is stable, and it is not affected by the assembly gap. The performance is excellent and the use efficiency is improved.

Description of drawings:

Accompanying drawing 1 is a three-dimensional schematic diagram of one of the preferred embodiments of the utility model;

Accompanying drawing 2 is another perspective schematic diagram of the embodiment of Fig. 1;

Accompanying drawing 3 is the structural exploded schematic diagram of the embodiment of Fig. 1;

Accompanying drawing 4 is the schematic diagram of the structural assembly action of the embodiment of Fig. 1;

Accompanying drawing 5 is the schematic diagram of internal structure after assembly of the embodiment of Fig. 1.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

Referring to Figures 1 to 5, the utility model relates to an assembly structure of a multi-layer USB3.0 connector, which includes a first insulating body 1, the first insulating body 1 has a first root 11 and a first The first tongue piece 12 protruding from the root portion 11, a number of first terminals 3 and the first insulating body 1 are injection molded together, and the first contact portion 31 of the first terminal 3 is exposed on one side of the first tongue piece 12 On the side of the first tongue piece 12 that exposes the first contact portion 31 of the first terminal 3, there is also a first terminal embedding groove 121, which is used for the second terminal 4. The second contact portion 41 is embedded and exposed; the second fixing portion 42 of the second terminal 4 is embedded in the first terminal fixing groove 111 communicating with the first terminal embedding groove 121 on the first root portion 11 . The second fixing portion 42 is provided with a barb that engages with the first terminal fixing groove 111 to achieve an anti-retraction connection. A second insulating body 5, the second insulating body 5 has a second root 51 and a second tongue 52 protruding from the second root 51, a plurality of third terminals 6 are injection molded together with the second insulating body 5, The third contact portion 61 of the third terminal 6 is exposed on one side of the second tongue 52, and the side of the second tongue 52 that exposes the third contact portion 61 of the third terminal 6 is further provided with a The second terminal embedding groove 521 is for the fourth contact portion 71 of the fourth terminal 7 to be embedded and exposed; the fourth fixing portion 72 of the fourth terminal 7 is embedded in the second terminal. In the second terminal fixing groove 511 on the root portion 51 communicating with the second terminal embedding groove 521 , the fourth fixing portion 72 is provided with barbs that snap into the second terminal fixing groove 511 to achieve an anti-retraction connection. An intermediate connector 8 is grafted to the first insulating body 1 and the second insulating body 5, so that the first tongue 12 of the first insulating body 1 and the second tongue 52 of the second insulating body 5 protrude in the same direction and are Upper-lower relationship. A shell 9 wraps the first insulating body 1 and the second insulating body 5, and the shell 9 forms a socket 91 that can be mated and inserted externally. The first tongue 12 of the first insulating body 1 and the second tongue of the second insulating body 5 The two tongues 52 are accommodated in the socket 91 for external electrical plugging.

As shown in Figures 3, 4, and 5, the intermediate connecting piece 8 is flat, and the intermediate connecting piece 8 is arranged in parallel with the first tongue piece 12 and the second tongue piece 52. The inner shell 81 is set up, and the inner shell 81 has the upper and lower sides facing the first tongue 12 and the second tongue 52 respectively, and on the upper and lower sides of the inner shell 81, there are shrapnels 811 for auxiliary insertion; the middle connecting piece 8 The other end is provided with a first hanging groove 82 and a second hanging groove 83, the first hanging groove 82 cooperates with the first hanging arm 13 protruding from the first insulating body 1 to hang, and the first hanging groove 82 is located in the middle connector 8 The outer side of the first hanging groove 82 is provided with a convex buckle to fasten the first hanging arm 13; while the second hanging groove 83 cooperates with the second hanging arm 53 protruding from the second insulating body 5 to hook, and the second hanging groove 83 Located on the inner side of the intermediate connector 8 , a convex buckle is also provided in the second hanging groove 83 to fasten with the second hanging arm 53 . The inner shell 81 is U-shaped. The inner shell 81 wraps the end of the intermediate connector 8 facing the socket 91 of the outer shell. The upper and lower sides of the inner shell 81 cooperate with the outer shell 9 to obtain sockets corresponding to the first tongue 12 and the second tongue 52 respectively, forming a multi-layer USB3.0 connector.

3, 4, and 5, the first contact portion 31 of the first terminal is planar, while the second contact portion 41 of the second terminal is a curved elastic structure. The first contact portion 31 and the second contact portion 41 is exposed on the same side of the first tongue piece 12 , and the first contact portion 31 is located in front of the second contact portion 41 . The third contact portion 61 of the third terminal is planar, while the fourth contact portion 71 of the fourth terminal is a curved elastic structure, the third contact portion 61 and the fourth contact portion 71 are exposed on the second tongue 52 On the same side, and the third contact portion 61 is located in front of the fourth contact portion 71 . The different terminals on the two insulating main bodies are combined to the insulating main body by injection molding and assembly, and then the first insulating main body 1 and the second insulating main body 5 are grafted through the intermediate connector 8 to form a whole. This composite manufacturing mode is effective Simplify the manufacturing process, facilitate forming and manufacturing, and effectively determine the positional relationship between the terminals. After forming, the structure is good, the position between the terminals is stable, and it is not affected by the assembly gap. The performance is excellent and the use efficiency is improved.

As shown in Figures 1 to 5, the first insulating body 1 is located above the second insulating body 5, the first welding leg 33 of the first terminal 3 on the first insulating body 1, and the second welding leg 43 of the second terminal 4 And the third welding leg 63 of the third terminal 6 on the second insulating body 5, and the fourth welding leg 73 of the fourth terminal 7 are bent and protruded toward the same side of the second insulating body 5, and on the second insulating body 5 A guard plate 54 is arranged on the upper group, and the guard plate 54 is provided with through holes 541 for the first welding leg 33, the second welding leg 43, the third welding leg 63 and the fourth welding leg 73 to pass through respectively, and the guard plate 54 is embedded in the In the second root portion 51 of the second insulating body 5 . A clasp 542 is provided on the side of the guard plate 54, and the clasp 542 is buckled into the clasp groove 513 inside the clamp arm 512 formed on the second root 51 of the second insulating body 5, and the clamp arm 512 clamps the guard plate 54, The buckle 542 and the buckle groove 513 achieve an anti-backward buckle connection. The guard plate 54 has a simple structure and is easy to manufacture and assemble. The guard plate 54 is provided with through holes 541 for the soldering feet of different terminals to pass through respectively, which helps many soldering legs to protrude smoothly, increases the structure, and facilitates the subsequent fixing of the upper plate .

Of course, the above described the utility model in detail in conjunction with the embodiment, only to illustrate the technical conception and characteristics of the utility model, and its purpose is to let people familiar with this technology understand the content of the utility model and implement it. To limit the protection scope of the present utility model, all equivalent changes or modifications made according to the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (7)

1. The assembly structure of the multi-layer USB3.0 connector is characterized in that: it includes A first insulating body (1), the first insulating body (1) has a first root (11) and a first tongue (12) protruding from the first root (11), a plurality of first terminals (3) Injection molded together with the first insulating body (1), the first contact portion (31) of the first terminal (3) is exposed on one side of the first tongue (12), the first tongue (12) is also provided with a first terminal embedding groove (121) on the side where the first contact portion (31) of the first terminal (3) is exposed, and the first terminal embedding groove (121) is provided for the second terminal The second contact part (41) of (4) is embedded and exposed; the second fixing part (42) of the second terminal (4) is embedded in the first root part (11) and the first terminal embedding groove (121) connected to the first terminal fixing groove (111); A second insulating body (5), the second insulating body (5) has a second root (51) and a second tongue (52) protruding from the second root (51), a plurality of third terminals (6) Injection molded together with the second insulating body (5), the third contact portion (61) of the third terminal (6) is exposed on one side of the second tongue (52), the second tongue (52) is also provided with a second terminal embedding groove (521) on the side of the third contact part (61) that exposes the third terminal (6), and the second terminal embedding groove (521) is used for the fourth terminal (7) The fourth contact part (71) is embedded and exposed; the fourth fixed part (72) of the fourth terminal (7) is embedded in the second root part (51) and the second terminal embedding groove (521) connected to the second terminal fixing groove (511); An intermediate connector (8), grafting the first insulating body (1) and the second insulating body (5), so that the first tongue (12) of the first insulating body (1) and the second insulating body (5) The second tongue (52) protrudes in the same direction and is in an upper-lower relationship; A shell (9) envelops the first insulating body (1) and the second insulating body (5), and the shell (9) forms a socket (91) that can be mated and inserted externally. The first insulating body (1) The first tongue (12) and the second tongue (52) of the second insulating body (5) are accommodated in the socket (91). 2. The assembly structure of the multi-layer USB3.0 connector according to claim 1, characterized in that: the intermediate connector (8) is flat, and the intermediate connector (8) and the first tongue (12) and the second tongue (52) are arranged in parallel, and an inner shell (81) is assembled on the end of the intermediate connector (8) facing the shell socket (91), and the inner shell (81) has a ) and the upper and lower sides of the second tongue (52), and on the upper and lower sides of the inner shell (81) there are shrapnels (811) for auxiliary insertion; groove (82) and the second hanging groove (83), the first hanging groove (82) cooperates with the first hanging arm (13) protruding from the first insulating body (1) to hang; and the second hanging groove (83) cooperates The second hanging arm (53) protrudes from the second insulating body (5) for hooking. 3. The assembly structure of the multi-layer USB3.0 connector according to claim 2, characterized in that: the inner shell (81) is U-shaped, and the inner shell (81) covers the orientation of the intermediate connector (8) One end of the shell socket (91), and the shell (9) is provided with an inwardly folded leg (92) to press against the inner shell (81). 4. The assembly structure of multi-layer USB3.0 connector according to claim 1, characterized in that: the first contact part (31) of the first terminal is planar, and the second contact part of the second terminal (41) is a curved elastic structure, the first contact part (31) and the second contact part (41) are exposed on the same side of the first tongue (12), and the first contact part (31) is located on the second contact in front of part (41). 5. The assembly structure of multilayer USB3.0 connector according to claim 1, characterized in that: the third contact part (61) of the third terminal is planar, and the fourth contact part of the fourth terminal (71) is a curved elastic structure, the third contact part (61) and the fourth contact part (71) are exposed on the same side of the second tongue (52), and the third contact part (61) is located on the fourth contact the front of the part (71). 6. The assembly structure of multi-layer USB3.0 connector according to claim 1, characterized in that: the first insulating body (1) is located above the second insulating body (5), and the first insulating body (1) The first welding foot (33) of the first terminal (3) on the second terminal (4) and the third welding foot (43) of the third terminal (6) on the second insulating body (5) The welding leg (63) and the fourth welding leg (73) of the fourth terminal (7) are both bent and protruded toward the same side of the second insulating body (5), and a guard is assembled on the second insulating body (5). Plate (54), guard plate (54) is provided with through hole (541) respectively for the first welding foot (33), the second welding foot (43), the third welding foot (63) and the fourth welding foot (73) Passing through, the guard plate (54) is embedded in the second root portion (51) of the second insulating body (5). 7. The assembly structure of multilayer USB3.0 connector according to claim 6, characterized in that: the side of the guard plate (54) is provided with a clasp (542), and the clasp (542) is buckled into the first On the buckle groove (513) inside the clamp arm (512) formed on the second root (51) of the second insulating body (5), the clamp arm (512) clamps the guard plate (54), and the clasp (542) and Buckle groove (513) reaches anti-return buckle connection.

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