CN201207456Y - Board-to-board connector - Google Patents

Abstract

The utility model relates to a board to board connector, this board to board connector includes insulator, conductive terminal and visor, the insulator is long plate-like, it has a butt joint face, has a gomphosis seat in the middle position of the butt joint face roughly, the gomphosis seat is combined with the circuit board cup joint hole, can lead the connector and combine with the circuit board effectively, has improved the accurate butt joint of the conductive terminal of the connector and electrical contact part of the corresponding circuit board; the protective cover is clamped on the embedded seat, so that the structural strength and the wear resistance of the embedded seat are improved, the bonding strength of the connector and the circuit board is improved, the sleeved hole of the circuit board is prevented from being worn and even scratching the embedded seat in the long-term use process, and the service life of the electric connector is prolonged.

Description

Board-to-Board Connector

Technical field

The utility model relates to a board-to-board connector, in particular to a board-to-board connector used in electronic equipment to connect sub-circuit boards and main circuit boards of electronic components.

Background technique

In the overall electrical circuit of general electrical equipment, the circuit board is mainly used as the main body of the electrical components, and the circuit connection between the electrical components is formed through the layout of the electrical circuit to achieve the effect of integrated operation. The layout of the electrical circuit In order to match the shape of the electrical equipment, it can be designed in the direction of connecting multiple circuit boards, which can meet the needs of space configuration.

Therefore, there is an electrical circuit that uses the plugging of the board-to-board connector to further form the electrical circuit connection between the circuit boards. The board-to-board connector not only has the effect of connecting the electrical circuits between the circuit boards, but also makes it more convenient. The connected circuit boards have the feature of being pluggable and pluggable, so that the configuration of the overall electrical circuit is more in line with the modular design requirements, so as to facilitate the maintenance of the electrical circuit, and even facilitate the upgrading of the function of the electrical circuit.

The conventional board-to-board connector is shown in US Patent No. US6,293,805. After the board-to-board connector is welded on one circuit board and then docked with another circuit board, the contact part of the conductive terminal is electrically contacted with the contact part of the circuit board. Data signal transmission, because the contact part of each conductive terminal of the connector is accurately docked with the contact part of the circuit board to ensure the correct transmission of the data signal, but the contact part of the conductive terminal of the connector disclosed in US Patent No. US6,293,805 and There is no positioning mechanism during the bonding process of the contact part of the circuit board, which cannot ensure the precise docking of the board-to-board connector and the docking circuit board. signal transmission.

In view of this, aiming at the above-mentioned defects and deficiencies, after long-term research, the designer has created a creative design scheme that can solve the above-mentioned deficiencies and deficiencies.

Contents of the invention

In order to overcome the above-mentioned defects in the prior art, the main purpose of this utility model is to provide a board-to-board connector for connecting sub-circuit boards and main circuit boards of electronic components in electronic equipment, the board-to-board connector and The fitting seat has a guiding function during the circuit board bonding process. The fitting seat ensures that the contact part of the conductive terminal is accurately docked with the contact part of the circuit board, and a protective cover is assembled on the fitting seat to form a durable board. to board connector.

In order to achieve the above purpose of the utility model, it can be achieved by the following technical solutions: a board-to-board connector is used to connect the sub-circuit board of the electronic component to the main circuit board, which includes an insulating body, a plurality of conductive terminals and protection cap. Wherein the insulating body is in the shape of a long plate with a butt joint surface and a welding surface, and a fitting seat is arranged roughly in the middle of the butt joint face, with a concave portion on both sides of the fitting seat, and a convex surface of the concave portion forms a buckling block, Slopes are formed on both sides of the mating seat to facilitate the positive connection between the guide board-to-board connector and the main circuit board; the protective cover has a base, which extends and bends from both sides of the base to form two clamping walls, and penetrates through the middle of the clamping wall to form A buckle hole, the two ends of the base are extended and bent to form two tongues, the pinch wall is pinched in the recess of the fitting seat, the buckle hole is combined with the buckle block to stably fix the entire protective cover on the fitting seat. After the mating seat guide board-to-board connector is docked with the circuit board, it is ensured that the contact portion of the conductive terminal of the board-to-board connector is accurately docked with the contact portion of the circuit board, and the structural strength of the mating seat assembled with a protective cover and The degree of wear resistance is enhanced to improve the utilization rate of the connector.

Compared with the prior art, the utility model has the advantages that: the mating surface of the board-to-board connector is provided with a mating seat for guiding the docking of the circuit board, ensuring that the contact portion of the conductive terminal of the board-to-board connector is in contact with the circuit board. The contact part of the board is accurately docked and firmly bonded with the circuit board, and a protective cover is assembled on the fitting seat. The protective cover is used to prevent the fitting seat from being worn or even scratched by the socket hole of the circuit board during long-term use, so as to realize The board-to-board connector is precisely docked with the circuit board, and at the same time, the board-to-board connector has a durable effect.

Description of drawings

Figure 1 is a perspective view of the combination of the board-to-board connector and the circuit board of this invention;

Figure 2 is a perspective view of the inventive board-to-board connector;

Figure 3 is an exploded perspective view of the inventive board-to-board connector; and

Figure 4 is an exploded view of the board-to-board connector and the main circuit board of this invention.

100—board-to-board connector, 10—insulating body, 11—butting surface, 12—welding surface, 13—accommodating groove, 14—embedding seat, 141—recess, 142—holding block, 143—inclined surface, 20— Conductive terminal, 21—welding portion, 22—contact portion, 30—protective cover, 31—base, 32—holding wall, 33—holding hole, 34—tongue, 200—sub-circuit board, 300—main circuit board, 301—socket hole, 302—contact portion.

Detailed ways

For the convenience of explaining the implementation structure of this creation in detail, the detailed description of this creation is as follows in conjunction with the accompanying drawings and the specific embodiment of this creation:

As shown in Figures 1 and 2, it is a specific embodiment of the board-to-board connector of the present invention. The board-to-board connector 100 is used to connect the sub-circuit board 200 of the electronic component to the main circuit board 300, which includes an insulating The body 10 , a plurality of conductive terminals 20 and a protective cover 30 .

As shown in Figures 2 and 3, the insulator body 10 is in the shape of a long plate with a butt surface 11 and a welding surface 12, and a plurality of terminal receiving grooves 13 are formed between the butt surface 11 and the welding surface 12, approximately in the middle of the butt surface 11 A fitting seat 14 is arranged at the position, and the fitting seat 14 is a strip shape, and each side has a concave portion 141, and a buckling block 142 is formed on the surface of the concave portion 141, and the two ends of the fitting seat 14 are topped. The surface shape is provided with an inclined surface 143 to facilitate the combination of the board-to-board connector 100 and the main circuit board 300. Each of the two ends of the soldering surface 12 has a positioning column 15, and the positioning column 15 is inserted into the sub-circuit board 200 to facilitate the board-to-board connector 100. The board connector 100 is soldered on the daughter circuit board 200 .

The conductive terminal 20 has a welding portion 21 that can be welded on the sub-circuit board 200, and a contact portion 22 that is bent and extended from the welding portion 21 to electrically contact the main circuit board 300. The conductive terminal 20 is assembled in the receiving groove 13, and soldered The portion 21 is exposed on the soldering surface 12 to facilitate soldering with the circuit board 200 , and the contact portion 22 is placed on the upper side of the mating surface 11 .

The protective cover 30 has a base 31, extending and bending from both sides of the base 31 to form two pinching walls 32, the pinching wall 32 has a fastening hole 33, two tongues 34 are formed by extending the two sides of the base 31, and the protective cover 30 is assembled on the On the fitting seat 14, the clamping wall 32 is clamped in the recess 141 and the buckling hole 33 is combined with the buckling block 142 to stably fix the entire protective cover 30 on the fitting seat 14, and the tongue 34 fits on the inclined surface 143 to increase The structural strength and wear resistance of the fitting seat 14 prevents the edge of the socket hole 201 of the circuit board 200 from being worn or even scratched on the fitting seat 14 .

As shown in FIG. 3 and FIG. 4 , the conductive terminal 20 is assembled in the receiving groove 13 of the insulating body 10 , and the protective cover 30 is assembled on the fitting seat 14 , and the clamping wall 32 is clamped in the recess 141 and the clamping hole 33 Combined with the buckle block 142, the entire protective cover 30 is firmly fixed on the fitting seat 14, and the tongue 34 fits on the inclined surface 143 to increase the structural strength and wear resistance of the fitting seat 14, and the protective cover 30 is assembled. The fitting seat 14 is docked with the socket hole 301 of the main circuit board 300, so as to ensure the precise docking of the contact portion 22 of the conductive terminal 20 and the electrical contact portion 302 of the circuit board 300, to ensure correct transmission of data signals, and at the same time during the assembly process The clamping wall 32 of the middle protective cover 30 and the tongue 34 are in contact with the edge of the socket hole 301 to prevent the edge of the socket hole 301 of the circuit board 300 from being worn or even scratched on the mating seat 14, thereby prolonging the lifetime of the board-to-board connector 100. service life.

Compared with the prior art, the utility model has the advantage that by providing a fitting seat 14 on the butt joint surface 11 of the insulating body 10, it is convenient to guide the board-to-board connector 100 and the main circuit board 300 to be connected correctly, ensuring that the conductive terminal 20 The contact part 22 of the circuit board 300 is accurately docked with the electrical contact part 302 of the circuit board 300 so as to have good electrical contact. At the same time, a protective cover 30 is assembled on the fitting seat 14, and the clamping wall 32, the tongue part 34 and the socket hole 301 The edges of the socket holes 301 of the circuit board 300 are prevented from being worn or even scratched on the mating seat 14 , thereby prolonging the service life of the board-to-board connector 100 .

In order to make those who are familiar with this technique truthfully understand the implementation creation purpose and effect of the spirit of the present utility model, the embodiments and accompanying drawings are only to illustrate the utility model, and do not impose any restrictions on the utility model. There are other variant implementations, so all those who are familiar with this technology and implement other styles without departing from the creative spirit of this case should be regarded as equivalent implementations of the patent scope of this case.

Claims (3)

1. A board-to-board connector, including an insulating body, a conductive terminal and a protective cover, wherein the insulating body has a welding surface and a butt joint surface, and a plurality of terminal receiving grooves are formed between the welding surface and the butt joint surface, and it is characterized in that : A fitting seat is arranged on the butt joint surface, and the protective cover is firmly assembled on the fitting seat. 2. The board-to-board connector according to claim 1, characterized in that: the mating seat is a long strip, with a concave portion on each side, and the surface of the concave portion protrudes to form a buckle block, which is placed on the mating seat. The top surfaces at both ends are provided with inclined surfaces. 3. The board-to-board connector according to claim 1, wherein the protective cover has a base, which is extended and bent from both sides of the base to form two pinching walls, the pinching wall has a buckle hole, and the two ends of the base are extended to form two clamping walls. Two tongues.

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