CN204103068U - Connectors for easy desoldering and removal - Google Patents

Abstract

A connector that facilitates weld removal, comprising: a circuit board; an insulating rubber base fixed on the circuit board; the first and second groups of conductive terminals are embedded in the insulating rubber seat, wherein the second group of conductive terminals are positioned at the inner side of the first group of conductive terminals, and each conductive terminal is provided with a welding end and is welded on the circuit board; a grounding plate interposed between the first and second sets of conductive terminals. The welding ends of the first group of conductive terminals are welded on the front surface of the circuit board to form welding points; the welding ends of the second group of conductive terminals penetrate through the circuit board and are welded on the back surface of the circuit board, and welding points are formed. Any one of the welding points is exposed on the front surface and the back surface of the circuit board and is not shielded by the connector; the grounding plate is completely arranged between the first and second groups of conductive terminals. Therefore, once the connector with bad signal transmission is found in the test, the utility model can conveniently remove the welding and remove the connector for replacement, and can further enhance the elimination of electromagnetic noise, reduce the signal interference and improve the signal transmission quality.

Description

Connectors for easy desoldering and removal

technical field

The utility model relates to a connector which is convenient to remove by soldering. The welding ends of the first and second groups of conductive terminals are welded to the front and back of the above-mentioned circuit board to form welding points, so that any welding points are exposed respectively. It is on the front and back of the circuit board and is not covered by the connector; and the ground plate is completely isolated between the first and second sets of conductive terminals. The utility model can remove the welding and replace it conveniently once a connector with poor guidance is found during the test, and can further strengthen the elimination of electromagnetic noise, reduce signal interference, and improve signal transmission quality.

Background technique

Since the popularization of computers, the popularity of mobile communications has followed. All kinds of desktop computers, servers, notebook computers, tablet computers, mobile phones and other information equipment use a large number of various connectors (Connector) for signal connection, such as: signal connection between the host computer and the list machine, Signal connection between host computer and mobile memory, signal connection between host computer and digital camera, etc.

Please refer to Figs. 9 to 11, the first and second sets of conductive terminals 30', 40' of the existing connector 20' are automatically soldered by an automatic soldering furnace, although there is a second set of conductive terminals 40' It is covered by the connector 20' in the circuit board 50', but it can be soldered automatically at every point. But because the connector 20' comprises many small conductive terminals 31', 41', once it is welded on the main board for testing, if it is found that the conduction is bad, it must be removed by welding. And part of the conductive terminals 41' covered by the connector 20' in the circuit board 50', their solder joints are hidden between the connector 20' and the circuit board 50', and their solder joints are also hidden On the inner side of the metal shell 80 ′, the electric soldering iron cannot be inserted into the soldering removal at all, causing great troubles in the production process.

In addition, as shown in FIG. 11 , among the first and second groups of conductive terminals 30 ′, 40 ′ of the existing connector 20 ′, the second group of conductive terminals 40 ′ located on the inner side is limited by the height of the existing connector 20 ′. Due to the restriction, the grounding piece 60' can only be set in the section of the contact part of the first and second groups of conductive terminals 30', 40' (that is, the right side shown in Figure 11), and the grounding piece 60' cannot extend to the first 1. The welding ends 32', 42' of the two sets of conductive terminals 30', 40' (ie, the left side shown in FIG. 11 ), so the effectiveness of the grounding is incomplete.

Utility model content

In order to effectively solve the above-mentioned solder joints because they are hidden between the existing connector and the circuit board, the electric soldering iron cannot be inserted into the solder removal process, causing great troubles in the production process, and the grounding sheet cannot connect the first and second sets of conductive terminals. The shortcoming of being completely separated, the utility model provides a kind of connector that is convenient for desoldering and dismantling. The surface of the circuit board, and is not covered by the above-mentioned connectors for easy desoldering and removal. Therefore, the utility model can not only find out the poorly guided connectors during the test, but also can remove the soldering and replace them conveniently. It can also strengthen the elimination of electromagnetic noise, reduce signal interference, and improve the quality of signal transmission.

The technical scheme that the utility model solves its technical problem adopts is:

A connector that is convenient for desoldering and removal, comprising: a circuit board; an insulating rubber seat, fixed on the above circuit board; a first group of conductive terminals, embedded in the insulating rubber seat and extending bare from one end of the insulating rubber seat, Each conductive terminal of the first group of conductive terminals has a soldering end, so as to be welded to the above-mentioned circuit board; the second group of conductive terminals is embedded in the insulating rubber seat, and the second group of conductive terminals is exposed to the first group of conductive terminals. On the inner side of one group of conductive terminals, each conductive terminal of the second group of conductive terminals has a welding end, so as to be welded to the above-mentioned circuit board; Between the terminals; it is characterized in that: the welding ends of the first group of conductive terminals are all welded to the front of the above-mentioned circuit board to form welding points, and any welding point is exposed on the front of the circuit board, and is not affected by the above-mentioned convenience. Covered by the connector removed by soldering; the soldering end of the second group of conductive terminals is welded to the back of the above-mentioned circuit board through the circuit board, and forms a soldering point, and any soldering point is exposed on the back of the circuit board , and is not covered by the above-mentioned connector that is convenient for desoldering and removal; and, the above-mentioned ground plate is completely separated between the first group of conductive terminals and the second group of conductive terminals. Therefore, the utility model can not only find out the poorly guided connectors during the test, but also can remove the soldering and replace them conveniently. It can also strengthen the elimination of electromagnetic noise, reduce signal interference, and improve the quality of signal transmission.

The utility model discloses a connector that is convenient for desoldering and removal, wherein the welding ends of the second group of conductive terminals are arranged in at least two rows.

In the connector that is convenient for desoldering and removal disclosed by the utility model, the pins welded by the second group of conductive terminals are reorganized into two rows of pins, and the first pair of differential signals and the second pair of differential signals in the two rows of pins Differential signals are located on the second row.

The utility model discloses a connector that is convenient for desoldering and removal, wherein the ground plate further has a welding end, and the welding end is welded in the middle of the welding end of the first group of conductive terminals and the welding end of the second group of conductive terminals.

The beneficial effect of the utility model is that the welding ends of the conductive terminals are welded to any side of the circuit board to form welding points, and any welding point is exposed on the surface of the circuit board, and cannot be removed by the above-mentioned convenient desoldering covered by the connector. Therefore, the utility model can not only find out the poorly guided connectors during the test, but also can remove the soldering and replace them conveniently. It can also strengthen the elimination of electromagnetic noise, reduce signal interference, and improve the quality of signal transmission.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional exploded view of the utility model.

Fig. 2 is a perspective view of the utility model not welded on the circuit board.

Fig. 3 is a perspective view of the utility model welded on a circuit board.

Fig. 4 is a sectional view taken along line 4-4 of Fig. 3 .

FIG. 5 is a schematic diagram of performing a desoldering operation on the first group of conductive terminals in FIG. 4 .

FIG. 6 is a schematic diagram of performing a desoldering operation on the second group of conductive terminals in FIG. 5 .

FIG. 7 is a schematic diagram of the connector shown in FIG. 6 after it has been completely desoldered and removed from the circuit board.

Fig. 8 is a schematic diagram of the welding pin position of the utility model.

Fig. 9 is a three-dimensional assembled view of a conventional connector.

Fig. 10 is a perspective view of a conventional connector welded on a circuit board.

Fig. 11 is a sectional view taken along line 11-11 of Fig. 10 .

Explanation of symbols in the figure:

20 connectors for easy desoldering and removal

21 Insulating rubber seat 21a The first insulating rubber seat 21b The second insulating rubber seat

30 First set of conductive terminals 31 Conductive terminals 32 Soldering terminals

40 Second set of conductive terminals 41 Conductive terminals 42 Welding terminals

43, 44 Positioning hole 45, 46 Positioning gap 50 Circuit board

51 Front 52 Back 53, 54 Jack

60 Ground piece 61, 62 Welding point 63, 64 Welding end

65, 66 Tabs 71, 72 Conductive metal sheet

80 metal shell 81, 82 plug-in feet

Detailed ways

Please refer to Fig. 1 to Fig. 8, the connector 20 provided by the utility model for easy desoldering and removal includes: a circuit board 50; an insulating rubber seat 21 fixed on the above circuit board 50; a first group of conductive terminals 30, Embedded in the insulating rubber base 21 and exposed to one end of the insulating rubber base 21, each conductive terminal 31 of the first group of conductive terminals 30 has a welding end 32, so as to be welded to the above-mentioned circuit board 50; The second group of conductive terminals 40 is embedded in the insulating rubber seat 21, and is located inside the first group of conductive terminals 30, and the second group of conductive terminals 40 is exposed to the inside of the first group of conductive terminals 30. Each conductive terminal 41 of the set of conductive terminals 40 has a soldering end 42, so as to be welded to the above-mentioned circuit board 50; It is characterized in that: the welding end 32 of the first group of conductive terminals 30 is welded to the front side 51 of the above-mentioned circuit board 50 to form a welding point 61, and any welding point 61 is exposed on the front side 51 of the circuit board 50, And it is not covered by the above-mentioned connector 20 that is convenient for removal by soldering; the welding ends 42 of the second group of conductive terminals 40 all penetrate the circuit board 50 and are welded to the back side 52 of the above-mentioned circuit board 50, and form welding points 62, and Any soldering point 62 is exposed on the back side 52 of the circuit board 50, and is not covered by the above-mentioned connector 20 that is convenient for desoldering and removal; Between the second group of conductive terminals 40 . Therefore, once the test finds a connector with poor guidance, it can be easily desoldered and removed and replaced smoothly, which can strengthen the elimination of electromagnetic noise, reduce signal interference, and improve signal transmission quality. .

Please refer to FIG. 2 , the connector 20 disclosed by the present invention is convenient for desoldering and removal, wherein the soldering ends 42 of the second group of conductive terminals 40 are arranged in at least two rows.

Please refer to FIG. 8 , the connector 20 disclosed by the utility model is convenient for desoldering and dismantling, wherein the soldered pins of the second group of conductive terminals 40 are organized into two rows of pins, and the pins of the two rows of pins are The first pair of differential signals (RX1+), (RX1-) and the second pair of differential signals (TX2-), (TX2+) are located in the second row.

Please refer to Fig. 1, Fig. 2, Fig. 4 to Fig. 7, the connector 20 disclosed by the utility model is convenient for desoldering and dismantling, wherein the ground plate 60 further has two welding ends 63, 64, and these welding ends 63 , 64 are welded between the welding end 32 of the first set of conductive terminals 30 and the welding end 42 of the second set of conductive terminals 40 .

Please refer to Fig. 1, Fig. 2, Fig. 4 to Fig. 7, the connector 20 disclosed by the utility model is convenient for desoldering and dismantling, wherein the ground plate 60 is completely separated between the first group of conductive terminals 30 and the second group Between the conductive terminals 40 . In other words, the sections where the first group of conductive terminals 30 and the second group of conductive terminals 40 are embedded in the insulating rubber seat 21 are separated by the grounding sheet 60, so the first group of conductive terminals 30 and the second group of conductive terminals 40 are "completely separated".

Please refer to Fig. 1 to Fig. 8, the connector 20 disclosed by the utility model is convenient for desoldering and removal, wherein the first group of conductive terminals 30 and the second group of conductive terminals 40 are embedded in the first part of the insulating rubber seat 21 respectively. The insulating rubber seat 21a and the second insulating rubber seat 21b. The welding ends 32 or 42 of the first group of conductive terminals 30 and the second group of conductive terminals 40 are respectively exposed outside the first insulating rubber seat 21 a and the second insulating rubber seat 21 b of the insulating rubber seat 21 . A ground sheet 60 is sandwiched between the first insulating rubber seat 21a and the second insulating rubber seat 21b. Conductive metal sheets 71, 72 are respectively embedded on the top and bottom of the insulating rubber seat 21 formed by the first insulating rubber seat 21a and the second insulating rubber seat 21b, and then plugged into the metal shell 80, and the composition is convenient to remove. Solder the removed connector 20. Then, the inserting pins 81 , 82 below the metal shell 80 are respectively inserted and fixed in the jacks 53 , 54 of the circuit board 50 .

Please refer to Fig. 1 to Fig. 8, the utility model discloses the connector 20 which is convenient for desoldering and dismantling, in which the ground plate 60 is embedded in the first insulating rubber seat 21a and the In addition to the positioning openings 43 , 44 of the second insulating rubber base 21 b , the protrusions 65 , 66 on both sides of the grounding plate 60 are used to snap into the positioning notches 45 , 46 on both sides of the second insulating rubber base 21 b respectively. Therefore, the ground plate 60 can be firmly positioned on the second insulating rubber seat 21b.

The connector 20 disclosed by the utility model is convenient for desoldering and dismantling, and the definition of each welding pin is as follows:

A1A2A3A4A5A6A7A8A9A10A11A12GNDTX1+TX1-VBUSCC1D+D-RFU1VBUSRX2-RX2+GNDGNDRX1+RX1-VBUSRFU2D-D+CC2VBUSTX2-TX2+GNDB12B11B10B9B8B7B6B5B4B3B2B1

As shown in FIG. 8 , it is an example of reorganizing the soldered pins of one row of the second group of conductive terminals 40 in the above table into two rows of pins.

Although the shape and structure disclosed in the utility model are illustrated by taking USB3.0 and USB3.1 as examples, the utility model is not limited to these two connectors, and the utility model is also applicable to other types of connectors with similar structures .

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (4)

1. convenience is except a connector for weldering dismounting, comprising:

Circuit board;

Insulation rubber base, is fixed on foregoing circuit plate;

First group of conducting terminal, is intercalated among insulation rubber base and naked wherein one end stretching in insulation rubber base, and each conducting terminal of this first group of conducting terminal all respectively has welding ends, to be welded in foregoing circuit plate;

Second group of conducting terminal, be intercalated in insulation rubber base, and be positioned at the inner side of first group of conducting terminal, and this naked inner side stretching in first group of conducting terminal of second group of conducting terminal, each conducting terminal of this second group of conducting terminal all respectively has welding ends, to be welded in foregoing circuit plate;

And

Ground strip, is situated between and is located between first group of conducting terminal and second group of conducting terminal;

It is characterized in that:

The welding ends of above-mentioned first group of conducting terminal, is all welded in the front of circuit board and forms pad, and any one pad is all exposed to the front of circuit board, and by above-mentioned convenience except weldering remove connector cover;

The welding ends of second group of conducting terminal, all runs through circuit board and be welded in the back side of this circuit board, and forming pad, and any one pad is all exposed to the back side of circuit board, and the connector do not removed except weldering by above-mentioned convenience cover; And

Above-mentioned ground strip is intactly every between first group of conducting terminal and second group of conducting terminal.

2. facilitate the connector except weldering dismounting according to claim 1, it is characterized in that, the welding ends of described second group of conducting terminal is divided at least two arrangements and affixes one's name to.

3. the convenient connector removed except weldering according to claim 2, it is characterized in that, two row's pin positions are reorganized in the pin position that described second group of conducting terminal welds, and first pair of differential signal among this two rows pin position and second pair of differential signal are all positioned at second row.

4. the convenient connector removed except weldering according to any one of claims 1 to 3, it is characterized in that, described ground strip has welding ends further, and this welding ends is welded in the centre of the welding ends of first group of conducting terminal and the welding ends of second group of conducting terminal.