TWM647469U - floating connector - Google Patents

Abstract

A floating connector is provided on a circuit board, and the circuit board has a through hole. The floating connector includes a base, a movable component, at least one terminal, and a fixed component; the base is disposed on the circuit board and spans the through hole; the movable component is disposed on the base, partially Passed through the through hole; the terminal bridges the base and the movable part; the fixed part is fixed to the first surface and engages with the base to jointly hold the movable part with the base. Wherein, the movable part can move relative to the base in a direction parallel to the circuit board.

Description

floating connector

This invention relates to a floating connector, especially a floating connector with a docking opening underneath a circuit board.

Signal transmission in electronic equipment requires circuit boards and connectors on them. Among them, board to board connectors (Board to Board Connector) have been widely used in many electronic equipment, such as computers, communication equipment, industrial automation systems and consumer electronics. Products, etc., board-to-board electrical connections provide reliable and high-speed signal transmission for these electronic devices, while improving system stability.

When the board-to-board connection between circuit boards is a top-bottom connection, one connection method is to locally slot the circuit board so that the connector opening appears below the circuit board. However, this method is not easy to align accurately. And docking, especially when multiple terminals on the mating end are all long, the terminals are more likely to be misaligned and more difficult to align, causing inconvenient operation or even misinsertion.

The purpose of this invention is to provide a floating connector, especially a floating connector used for board-to-board connection and with a docking interface below the circuit board. The floating connector is elastic and tolerant, allowing the connector to be slightly offset in each axis. The user does not need to be completely accurately aligned, and can more easily operate the docking between connectors, improving operational convenience at the same time. It can still maintain reliable electrical connections. In some fields such as automotive electronics, aviation, industrial control, etc., the connectors used are easily affected by external forces. Floating connectors can also slow down the impact of external stress on the connector, reducing wear and tear. damage, extending the service life of the entire system and improving reliability.

In order to achieve the above purpose, the present invention discloses a floating connector, which is provided on a circuit board. The circuit board has a first surface, a second surface opposite to the first surface, and communicates with the first surface and One of the second surfaces has a through hole. The floating connector includes a base, a movable component, at least one terminal, and a fixed component; the base is disposed on the first surface of the circuit board and spans the through hole; the movable component is disposed on The base is partially penetrated through the through hole; the terminal bridges the base and the movable part; the fixed part is fixed to the first surface and engages with the base to cooperate with the base. Clamp the movable piece. Wherein, the movable part can move relative to the base in a direction parallel to the circuit board.

The base forms a receiving space, and the receiving space communicates with the through hole. The movable component has a body part, which is disposed in the receiving space and extends from the receiving space to pass through the through hole.

The base has a bearing part, and the movable part has an extending end. The extending end is connected to the body part and is movably clamped between the bearing part and the fixing part.

The body part has at least a docking hole formed through the body part. The docking hole has a first opening and an opposite second opening. The first opening is located on a side away from the first surface, and the second opening is located on a side away from the first surface. The opening is located on the other side away from the second surface.

The terminal has a first end and a second end opposite to the first end. The first end is electrically connected to the first surface, and the second end extends from the first opening. arranged in the docking hole.

The terminal further has at least one bending portion between the first end and the second end, and the bending portion is located between the movable component and the base.

The second opening is formed by at least one guide surface.

The fixing piece has a buckle part, and the base has a protrusion formed on the bearing part for engaging with the buckle part.

The fixing component has a welding leg welded to the first surface.

The base has a positioning post, and the circuit board has a positioning hole for setting the positioning post.

After referring to the drawings and the implementation modes described subsequently, those with ordinary knowledge in this technical field can understand other purposes of the present invention, as well as the means and implementation aspects of the present invention.

The content of this invention will be explained through embodiments below. The embodiments of this invention are not intended to limit this invention to be implemented in any specific environment, application or special manner as described in the embodiments. Therefore, the description of the embodiments is only for the purpose of explaining the present invention and is not used to limit the present invention. It should be noted that in the following embodiments and drawings, some components that are not directly related to the present invention have been omitted and not shown, and the size relationship and quantity between the components in the drawings are only for easy understanding and are not intended to be limiting. This creation.

Please refer to Figure 1 and Figure 2 first. Figure 1 is a three-dimensional schematic diagram of the floating connector 1 of the present invention installed on the circuit board 100. Figure 2 is another perspective of the floating connector 1 of the present invention before it is installed on the circuit board 100. Three-dimensional diagram. The circuit board 100 has a first surface 101, a second surface 102 opposite to the first surface 101, and a through hole 103 connecting the first surface 101 and the second surface 102. The circuit board 100 is on the first surface. The circuit board 101 is further provided with a plurality of electrical contacts 104 and a plurality of solder joints 105. In addition, the circuit board 100 can be further formed with two positioning holes 106.

Please refer to Figure 3 as well. The floating connector 1 of the present invention includes a base 11, a movable part 13, a plurality of terminals 15, and two fixed parts 17. The base 11 has an accommodation space 111, two bearing parts 113 and two positioning posts 116. The bearing parts 113 are respectively located on both sides, and the positioning posts 116 respectively extend from the bearing parts 113. When the base 11 is disposed on the circuit board 100, and the positioning posts 116 are correspondingly disposed in the positioning holes 106. When the floating connector 1 is disposed on the circuit board 100, the base 11 spans the through hole 103 and is disposed on the first surface 101 with the bearing portion 113, and the accommodating space 111 communicates with the through hole 103.

The movable component 13 has a body part 131 and two extending ends 133. The extending ends 133 are connected to the body part 131 and located on two sides. The movable member 13 is disposed on the base 11 and the body part 131 is partially penetrated through the through hole 103. Specifically, the extension ends 133 are respectively disposed on the bearing part 113, so that the body part 131 is disposed on the base 11. 131 is disposed in the accommodating space 111 and extends from the accommodating space 111 through the through hole 103 to extend to the bottom of the circuit board 100 (that is, protruding relative to the second surface 102).

The fixed component 17 is fixed to the first surface 101 and engaged with the base 11 to jointly hold the movable component 13 with the base 11 . Specifically, each fixing component has a soldering leg 171 and a plurality of buckling parts 177. The soldering leg 171 is soldered to the soldering point 105 on the first surface 101 of the circuit board 100. The base 11 further has a plurality of protrusions. The block 117 is formed on the side of the carrying part 113 for engaging with the buckle part 177 .

Please also refer to FIG. 4 , which shows a schematic diagram of the fixing member 17 before being assembled to the base 11 . It can be clearly seen that the extension end 133 is provided on the bearing part 113, and there is a gap in the front, rear, left and right directions between the extension end 133 and the bearing part 113. For example, the gap in all directions is designed to be 0.7 mm. When the fixing part 17 is joined to the base 11 , the buckle part 177 will engage with the protrusion 117 . In this way, the bearing part 113 and the fixing part 17 will jointly limit the extension end 133 in the up and down direction, but the extension end 133 It is movably clamped between the carrying part 113 and the fixing part 17 , whereby the movable part 13 can only move relative to the base 11 in a direction parallel to the circuit board 100 .

Please further refer to FIG. 5 . A plurality of docking holes 1310 are formed through the body part 131 . The docking holes 1310 have a first opening 1311 (upper opening) and an opposite second opening 1312 (lower opening). The opening 1311 is located on one side away from the first surface 101 , and the second opening 1312 is located on the other side away from the second surface 102 . Preferably, the second opening 1312 is formed by at least one guide surface 13121. As shown in the figure, the guide surface 13121 makes the second opening 1312 have a gradually expanding shape to facilitate docking.

Next, the structure and configuration of the terminal 15 will be described. As shown in FIG. 5 , the terminal 15 bridges the base 11 and the movable part 13 . More specifically, the terminal 15 has a first end 151 , a second end portion 152 relative to the first end portion 151 , and at least one bending portion 153 formed between the first end portion 151 and the second end portion 152 . The first end 151 is electrically connected to the electrical contact 104 on the first surface 101 , and the second end 152 extends from the first opening 1311 and is disposed in the docking hole 1310 to facilitate docking. It is electrically connected to other connector terminals, and the bending portion 153 is located between the movable member 13 and the base 11 , thereby providing an elastic force so that the movable member 13 can move in a direction parallel to the circuit board 100 For example, the allowable amount of movement in each direction is designed to be 0.7 mm.

Figure 6 shows a schematic diagram of the actual operation of the floating connector 1 of this invention. As mentioned above, the floating connector 1 is disposed on the circuit board 100 , and the movable member 13 is inserted through the through hole 103 , so that the second opening 1312 is exposed below the circuit board 100 as a docking port. As shown in FIG. 6 , there is another mating terminal circuit board 200 on which a mating terminal connector 2 is provided and has mating terminals 21 . Since the movable member 13 can move relative to the base 11 in a direction parallel to the circuit board 100, the elongated mating terminal 21 as shown in the figure is prone to deviation and difficulty in alignment, and the floating type of this invention Connector 1 is particularly suitable for this type of docking.

To sum up, the floating connector of this invention is suitable for board-to-board connection and the interface is under the circuit board. The floating connector is flexible and tolerant and can tolerate slight deviations during docking. Users do not need to align them exactly accurately, which effectively improves the problem of difficult docking due to positional deviation. It can also reduce wear and damage and extend the length of the system. service life and improved reliability.

The above-mentioned embodiments are only used to illustrate the implementation aspects of the present invention and to explain the technical features of the present invention, and are not intended to limit the scope of protection of the present invention. Any changes or equivalence arrangements that can be easily accomplished by those familiar with this technology fall within the scope claimed by this creation, and the scope of rights protection for this creation shall be subject to the scope of the patent application.

100:Circuit board 101: First surface 102: Second surface 103:Through hole 104: Electrical contacts 105:Solder joint 106: Positioning hole 1: Floating connector 11: base 111: Accommodation space 113: Bearing part 116: Positioning column 117: Bump 13: movable parts 131: Ontology part 1310: docking hole 1311:First opening 1312:Second opening 13121:Guide surface 133:Extended end 15:Terminal 151: first end 152:Second end 153: Bending part 17: Fixtures 171:Welding feet 177:Buckle part 200:Mate terminal circuit board 2:Mating end connector 21: Pairing terminal

Figure 1 is a three-dimensional schematic diagram of the floating connector of this invention installed on a circuit board; Figure 2 is a three-dimensional schematic diagram of the floating connector of this invention from another perspective; Figure 3 is an exploded view of the floating connector of this creation; Figure 4 is a partially exploded view of the floating connector of this invention; Figure 5 is a cross-sectional view of the floating connector of this invention; and Figure 6 is a schematic diagram of the docking of the floating connector of this invention with other connectors.

100:Circuit board

101: First surface

102: Second surface

103:Through hole

1: Floating connector

Claims (10)

A floating connector is provided on a circuit board. The circuit board has a first surface, a second surface opposite to the first surface, and a through hole connecting the first surface and the second surface. Floating connectors include: a base disposed on the first surface of the circuit board and spanning the through hole; A movable component is provided on the base and partially penetrates the through hole; At least one terminal bridges the base and the movable part; and A fixed component is fixed to the first surface and engaged with the base to jointly hold the movable component with the base; Wherein, the movable part can move relative to the base in a direction parallel to the circuit board. The floating connector according to claim 1, wherein the base forms a receiving space, the receiving space is connected to the through hole, the movable member has a body part, and the body part is disposed in the receiving space and The through hole extends from the accommodation space. The floating connector according to claim 2, wherein the base has a bearing part, the movable part has an extension end, the extension end is connected to the body part and is movably clamped on the bearing part and between the fixings. The floating connector according to claim 3, wherein the body part has at least a mating hole formed through the body part, the mating hole has a first opening and an opposite second opening, the first The opening is located on one side away from the first surface, and the second opening is located on the other side away from the second surface. The floating connector of claim 4, wherein the terminal has a first end and a second end opposite to the first end, and the first end is electrically connected to the first end. surface, the second end extends from the first opening and is disposed in the docking hole. The floating connector of claim 5, wherein the terminal further has at least one bending portion between the first end and the second end, and the bending portion is located between the movable member and the base. between seats. The floating connector of claim 5, wherein the second opening is formed by at least one guide surface. The floating connector of claim 5, wherein the fixing member has a buckle portion, and the base has a protrusion formed on the bearing portion for engaging with the buckle portion. The floating connector of claim 5, wherein the fixing member has a soldering leg soldered to the first surface. The floating connector of claim 5, wherein the base has a positioning post, and the circuit board has a positioning hole for setting the positioning post.

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