CN204067706U - Improved structure of the connector - Google Patents

Abstract

The utility model relates to an improved structure of connector, it comprises a shielding shell, an insulator and multi-terminal group, this multi-terminal group is acceptd in this insulator, this insulator is wrapped in this shielding shell, this shielding shell has an opening and can supplies a pair of plug to insert, this multi-terminal group has a plurality of terminals respectively, each this terminal has a contact site and a connecting portion respectively, this contact site is two rows of range in this shielding shell opening, this connecting portion are fixed in this insulator, the connecting portion of part terminal extends towards this insulator and forms a welding foot, this welding foot staggered arrangement forms same row.

Description

Improved structure of the connector

technical field

The utility model relates to an improved structure of a connector, in particular to a method in which two rows of terminals can be electrically connected to a circuit board in a single-row form, and the terminals are arranged in a dislocation manner to distribute functionally consistent terminals on the circuit board. of the same area.

Background technique

Electrical connectors such as USB electrical connectors and HDMI electrical connectors are widely used in the communication field. How to reduce the manufacturing cost of electrical connectors is an important factor for obtaining a competitive position in the market. The key component in the electrical connector is a terminal module, which usually includes an insulating housing and a plurality of terminals partially supported in the insulating housing; most of the terminal modules in the existing electrical connectors include two sets of terminals, Moreover, two sets of terminals are usually electrically connected to a circuit board in a side-by-side manner. Since the traditional double-row welding method is likely to cause empty welding of the terminals located in the inner row and cannot be repaired, in order to effectively control the accuracy of terminal welding, In the manufacturing process of the terminal module, the industry has provided an improved terminal structure, that is, the soldering legs of the two sets of terminals are pulled out to form the same row. This single-row method will not cause the phenomenon of empty soldering of the terminals.

The above-mentioned manufacturing method provides an electrical connection method that allows a single-row terminal to be positioned on a circuit board by Surface Mounting Technology (SMT). As shown in Figure 7, Taiwan Patent Publication No. M469651 provides an improvement in the structure of a USB3.0 connector, which includes a terminal assembly A1, wherein the terminal assembly A1 includes a first differential signal transmission conductor set A11, a second differential Signal transmission conductor group A12, a first ground transmission conductor A13, a first signal transmission conductor A14, a second signal transmission conductor A15, a power supply transmission conductor A16 and a third ground transmission conductor A17, wherein the first differential A first differential signal welding part group A112 is formed at one end of the signal transmission conductor group A11; a second differential signal welding part is formed on one side of the first differential signal welding part group A112 at one end of the second differential signal transmission conductor group A12 Group A122; the first grounding transmission conductor A13 is divided from one end to the other end with a first grounding base A1311 and a second grounding base A1312, and one end of the first grounding base A1311 defines a welding part located at the first differential signal The first ground soldering part A1313 between the group A112 and the second differential signal soldering part group A122, and one end of the second ground base part A1312 defines a ground soldering part between the second differential signal soldering part group A122 and the first ground soldering part The second ground welding part A1314 between A1313; one end of the first signal transmission conductor A14 defines a first signal welding part A142 between the first ground welding part A1313 and the second ground welding part A1314; the second signal One end of the transmission conductor A15 defines a second signal welding portion A152 between the first signal welding portion A142 and the second grounding welding portion A1314; one end of the power transmission conductor A16 forms a second signal welding portion A112 located between the first differential signal welding portion A112 and the power welding portion A162 between the first grounding welding portion A1313 and one end of the third grounding transmission conductor A17 is formed with a third differential signal welding portion group A122 and the second grounding welding portion A1314. Ground weld A172.

Since the appearance of each terminal of the first differential signal transmission conductor group A11, the second differential signal transmission conductor group A12 and the first ground transmission conductor A13 is too thin, it is easy to be subjected to unexpected external force factors in the process, resulting in bending and breaking. damage, and the terminal combination A1 is not easy to locate accurately during assembly due to the slope of the appearance size, and cannot effectively improve the overall yield rate, thus causing problems to be solved in production.

Contents of the invention

The main purpose of this utility model is to provide an improved structure of the connector, which is to reserve the welding legs of the two groups of terminals as required, and to break off the remaining welding legs that will not be used, and to arrange the remaining welding legs in a staggered manner Form a single row, and distribute the soldering pins with the same functional properties together. When the two groups of terminals are used for surface mounting technology (Surface Mounting Technology, SMT), it can reduce errors caused by empty soldering. The overall volume is effectively reduced, and it complies with the standard specifications required by the product formulation; in addition, the improved structure of the connector is relatively simple in product design, and the mass production yield rate is effectively improved in the finished product process.

The utility model discloses an improved structure of a connector, which is composed of a shielding shell, an insulating body and a multi-terminal group. The multi-terminal group is accommodated in the insulating body, and the insulating body is covered by the shielding body. In the casing, the shielding casing has an opening for a mating plug to be inserted into. The multi-terminal group has a plurality of terminals, each of which has a contact portion and a connection portion, and the contact portions are arranged in two rows on the shielding portion. In the housing opening, the connecting portion is fixed to the insulating body, and the connecting portion of some terminals extends toward the outside of the insulating body to form a welding foot, and the welding feet are arranged to form a same row.

The multi-terminal group in the utility model is composed of an upper row of terminals and a lower row of terminals. The upper row of terminals includes two GND grounding pins, two Vbus power supply pins, a D+ transmitting pin, a D- receiving pin and a The first signal pin of CC1, the lower row of terminals includes two GND grounding pins, two Vbus power supply pins, one D+ transmitting pin, one D- receiving pin and one CC2 second signal pin, connecting the upper row of terminals and the lower row of terminals The GND grounding pins are placed in the same area of the circuit board, and this area is used as a grounding configuration; the Vbus power pins of the upper row of terminals and the lower row of terminals are placed in the same block of the circuit board, and this block is used as a transmission power configuration .

In the utility model, the welding pins of the upper row of terminals and the lower row of terminals are alternately arranged to form the same row, and each of the GND grounding pins, each of the Vbus power supply pins, each of the D+ transmission pins, and each of the D- receiving pins Pin, the first signal pin of CC1 and the second signal pin of CC2 adopt an interactive dislocation method, pull out and bend to form, and form an odd number arrangement with the configuration of the circuit design on the circuit board; and the multi-terminal group is in compliance with surface adhesion Technology (Surface Mounting Technology, SMT) is electrically connected to the circuit board.

In the utility model, the upper row of terminals and the lower row of terminals are additionally provided with multi-breakage legs, which are non-functional terminals, and only the contact parts and connecting parts of the multi-breakage legs are reserved, and the contact parts will be connected with A mating plug is electrically connected, and the connecting part is used to assist the positioning accuracy of the terminal group and the insulating body during assembly, so that when the connector is electrically connected to a mating plug, it can be smoothly inserted no matter whether the plug is inserted forward or reversed. electrically connected to the connector.

Other applications related to the utility model can become obvious through the disclosure of the specification of the utility model. However, the disclosure of the specification of the utility model is formed by pulling out the welding feet of the upper row of terminals and the lower row of terminals respectively. A single row of terminals is used to strengthen each terminal when performing surface-mounting technology, so that there will be no problem of terminal empty soldering, and the appearance of each terminal maintains a certain size, and it is not easy to be damaged by external factors; in addition, The product has a simple design and structure, which can effectively simplify the production process and reduce the manufacturing cost. If those skilled in this technology use other design methods with the same principle, they still belong to the scope disclosed by the utility model.

Description of drawings

Fig. 1 is a three-dimensional appearance view of the first embodiment of the utility model from a first viewing angle.

Fig. 2 is a perspective view of the second perspective of the first embodiment of the utility model.

Fig. 3 is a bottom view of the first embodiment of the utility model.

Fig. 4 is a three-dimensional exploded view of the first embodiment of the utility model from a first viewing angle.

Fig. 5 is a three-dimensional exploded view of the first embodiment of the utility model at a second viewing angle.

Fig. 6 is a bottom view of the second embodiment of the utility model.

FIG. 7 is a schematic diagram of the terminals of the existing Taiwan Patent No. M469651.

Explanation of reference signs:

〔existing〕

A1 terminal combination

A11 The first differential signal transmission conductor set

A12 Second differential signal transmission conductor set

A13 First ground transfer conductor

A14 The first signal transmission conductor

A15 Second signal transmission conductor

A16 Power transmission conductor

A17 Third ground transfer conductor

A112 The first differential signal welding part group

A122 The second differential signal welding part group

A142 The first signal welding department

A152 Second signal welding part

A162 Power Welding Department

A172 The third ground weld

A1311 First ground base

A1312 Second ground base

A1313 First ground weld

A1314 Second ground weld

[this utility model]

1 Shielding shell 38 soldering pins

2 insulation body

3 terminal group

4 upper terminal

5 lower row terminals

6 terminals

7 contact part

8 connection part

10 connectors

11 openings

12 masking cover

21 base

22 isolation sheet

23 first module

24 Second module

25 slots

31 GND ground pin

32 Vbus power pin

33 D+ teleport foot

34 D-receiving pin

35 CC1 first signal pin

36 CC2 second signal pin

37 Broken foot

Detailed ways

As shown in Figures 1 to 4, the utility model provides an improved structure of a connector, which is composed of a shielding shell 1, an insulating body 2 and a multi-terminal group 3, and the multi-terminal group 3 is accommodated in the insulating Body 2, the insulating body 2 is covered in the shielding shell 1, the shielding shell 1 has an opening 11 for a mating plug (not shown in the figure) to be inserted into, and a shielding Cover 12, the shielding cover 12 can be used to prevent external electromagnetic wave interference, and then affect the transmission of internal electronic signals, the multi-terminal group 3 has a plurality of terminals 6, and each of the terminals 6 has a contact part 7 and a connecting part 8. The contact portions 7 are arranged in two rows in the opening 11 of the shielding case 1, the connecting portion 8 is fixed to the insulating body 2, and the connecting portion 8 of some terminals 6 extends outward from the insulating body 2 to form a welding leg 38, the welding pins 38 are arranged to form the same row; the insulating body 2 includes a base 21, a spacer 22, a first module 23 and a second module 24, and each of the terminal 6 connecting parts 8 is respectively buried and ejected ( insert molding) in the first module 23 and the second module 24, the spacer 22 can be used to separate the first module 23 and the second module 24, to prevent each of the first module 23 and the second module 24 The terminals 6 generate noise and interfere with each other. The base 21 is provided with multiple slots 25 , and the contact portions 7 of the terminals 6 are accommodated in the multiple slots 25 .

As shown in Figures 3 to 5, in the first embodiment of the present invention, the multi-terminal group 3 is mainly composed of an upper row of terminals 4 and a lower row of terminals 5, and the connection part 8 of the upper row of terminals 4 is buried Injecting (insert molding) on the first module 23, the welding pin 38 of the upper terminal 4 includes two GND grounding pins 31, two Vbus power supply pins 32, a D+ transmitting pin 33, a D-receiving pin 34 and A CC1 first signal pin 35, the arrangement of the upper terminal 4 welding pin 38 from left to right is GND ground pin 31, Vbus power supply pin 32, CC1 first signal pin 35, D+ transmission pin 33, D- The receiving pin 34, the Vbus power supply pin 32 and the GND grounding pin 31; the connection part 8 of the lower row terminal 5 is embedded and injected (insert molding) in the second module 24, and the lower row terminal 5 soldering pin 38 includes two GND Grounding pin 31, two Vbus power supply pins 32, a D+ transmitting pin 33, a D-receiving pin 34 and a CC2 second signal pin 36, the arrangement of the lower row of terminals 5 welding pins 38 from left to right is GND grounding pin 31, Vbus power supply pin 32, D- receiving pin 34, D+ transmitting pin 33, CC2 second signal pin 36, Vbus power supply pin 32 and GND grounding pin 31; The GND grounding pin 31 is placed on the same area of the circuit board (not marked in the figure), and this area is used as a grounding configuration, and each of the Vbus power supply pins 32 of the upper row of terminals 4 and the lower row of terminals 5 is placed on the circuit board (Fig. The same block that is not marked in the display), this block is used as the transmission power configuration.

As shown in Figures 3 to 5, in the first embodiment of the present invention, the soldering pins 38 of the upper row of terminals 4 and the lower row of terminals 5 are alternately arranged in the same row, and the soldering pins 38 are arranged in the same row. Pull out and bend to form, wherein the upper row of terminals 4 is bent outwards to form a U-shaped pattern, and the lower row of terminals 5 is bent outwards to form an L-shaped pattern, matching the circuit board (shown in the figure) Not marked) The design configuration of the upper circuit forms an odd number arrangement. In the first embodiment, the odd number arrangement is the lower row of GND grounding pins 31, the upper row of GND grounding pins 31, the lower row of Vbus power supply pins 32, the upper row of Vbus power supply pins 32, CC1 first signal pin 35, upper row D+transmitting pin 33, upper row D-receiving pin 34, lower row D-receiving pin 34, lower row D+transmitting pin 33, CC2 second signal pin 36, upper row Vbus power supply pin 32 , the lower row of Vbus power supply pins 32, the upper row of GND grounding pins 31 and the lower row of GND grounding pins 31, the total number of the above-mentioned welding pins 38 is 14 welding pins 38, and the multi-terminal group 3 here is in line with the Surface Mounting Technology (Surface Mounting Technology, SMT) is electrically connected to the circuit board (not marked in the figure).

As shown in Figures 4 and 5, in the first embodiment of the present invention, the upper row of terminals 4 and the lower row of terminals 5 are additionally provided with multi-breakage feet 37, which are non-functional terminals. 6. Only the contact portion 7 and the connection portion 8 of the multi-break pin 37 are kept, and the contact portion 7 is accommodated in each of the slots 25 of the base 21 of the insulating body 2, and the contact portion 7 will be connected to a mating plug (in the figure) Not marked) electrical connection, when the connecting portion 8 of the upper row of terminals 4 is embedded in the first module 23, and the connecting portion 8 of the lower row of terminals 5 is embedded in the second module 23 (insert molding) After the module 24, the first module 23 and the second module 24 are respectively assembled on the base 21, that is, the multi-break pin 37 connecting part 8 is used to assist the terminal group 3 and the insulating body 2 when assembling and positioning Accuracy, so that when the connector 10 is electrically connected with a mating plug (not marked in the figure), no matter whether the mating plug (not marked in the figure) is inserted forward or reversed, it can smoothly conduct electricity with the connector 10 Pass.

As shown in Fig. 5 and Fig. 6, in the second embodiment of the present invention, the upper row of terminals 4 and the lower row of terminals 5 are arranged in odd numbers as the lower row of GND grounding pins 31 and the upper row of GND grounding pins 31. , Vbus power pin 32 in the lower row, Vbus power pin 32 in the upper row, D-receiving pin 34 in the lower row, D+ transmitting pin 33 in the lower row, CC2 second signal pin 36, CC1 first signal pin 35, upper row D+ transmitting pin 33 , the upper row of D-receiving pins 34, the upper row of Vbus power supply pins 32, the lower row of Vbus power supply pins 32, the upper row of GND grounding pins 31 and the lower row of GND grounding pins 31, the total number of the above welding pins 38 is 14 welding pins 38, and The multi-terminal group 3 can also be electrically connected to the circuit board (not shown in the figure) in a manner conforming to Surface Mounting Technology (SMT).

Although the technical content of the present utility model is disclosed above with preferred embodiments, it is not intended to limit the patent scope of the present utility model. Any person skilled in the art, without departing from the spirit and scope of the present utility model, can act as Some changes and modifications, so the protection scope of the present utility model should be defined by the claims as the criterion.

Claims (6)

1. An improved structure of a connector, characterized in that: it consists of a shielding shell, an insulating body and a multi-terminal group, the multi-terminal group is accommodated in the insulating body, and the insulating body is covered by the shielding In the casing, the shielding casing has an opening for a mating plug to be inserted into. The multi-terminal group has a plurality of terminals, each of which has a contact portion and a connection portion, and the contact portions are arranged in two rows on the shielding portion. In the housing opening, the connecting portion is fixed to the insulating body, and the connecting portion of some terminals extends toward the outside of the insulating body to form a welding foot, and the welding feet are arranged to form a same row. the 2. The improved structure of the connector as claimed in claim 1, wherein the multi-terminal group is composed of an upper row of terminals and a lower row of terminals, and the upper row of terminals includes two ground pins, two power supply pins, a transmission pin, A receiving pin and a first signal pin. the 3. The improved structure of the connector as claimed in claim 2, wherein the lower row of terminals includes two ground pins, two power pins, a transmitting pin, a receiving pin and a second signal pin. the 4 . The improved structure of the connector as claimed in claim 2 , wherein the soldering legs of the upper row of terminals and the lower row of terminals are alternately arranged to form a same row. the 5 . The improved structure of the connector according to claim 2 , wherein the upper row of terminals and the lower row of terminals are additionally provided with multi-breakage legs, and the multi-breakage legs are non-functional terminals. the 6. The improved structure of the connector as claimed in claim 1, wherein the multi-terminal group is electrically connected to a circuit board in a manner conforming to surface mount technology. the