CN220544280U - 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 and partially penetrates The terminal is provided in the through hole; the terminal bridges the base and the movable part; the fixed part is fixed on 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

Technical field

The utility model relates to a floating connector, in particular to a floating connector with a docking opening below a circuit board.

Background technique

Signal transmission in electronic equipment requires circuit boards and connectors on them. Among them, Board to Board Connector has 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 an upper-bottom connection, one connection method is to partially groove 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.

Utility model content

The purpose of the present utility model is to provide a floating connector, especially a floating connector used for board-to-board connection and with a docking interface below a 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 and reduce wear. and damage, extending the service life of the entire system and improving reliability.

In order to achieve the above object, the present utility model 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 a second surface connected to the first surface. a through hole on the second surface. The floating connector includes a base, a movable component, at least one terminal, and a fixing 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 On the base, it 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 be clamped together with the base The moving 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 two bearing parts, and the movable part has two extending ends. The extending ends are connected to the body part and can be movably clamped between the bearing part and the fixed part.

The body part has at least a mating hole, the mating hole is formed through the body part, the mating hole has a first opening and an opposite second opening, the first opening is located on a side away from the first surface. , the second 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. The protrusion is formed on the bearing part and is used to engage with the buckle part.

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

The base further has two positioning posts, and the circuit board further has two positioning holes, and the positioning holes are used for setting the positioning posts.

After referring to the accompanying drawings and the specific embodiments described subsequently, those skilled in the art can understand other objects of the present invention, as well as the means and embodiments of the present invention.

Description of drawings

Figure 1 is a three-dimensional schematic diagram of the floating connector of the present invention installed on a circuit board;

Figure 2 is a three-dimensional schematic view of the floating connector of the present invention from another perspective;

Figure 3 is an exploded view of the floating connector of the present utility model;

Figure 4 is a partially exploded view of the floating connector of the present utility model;

Figure 5 is a cross-sectional view of the floating connector of the present invention; and

Figure 6 is a schematic diagram of the docking of the floating connector of the present invention with other connectors.

Explanation of reference symbols:

100 circuit boards

101 first surface

102 Second surface

103 through hole

104 Electrical contacts

105 solder joints

106 positioning hole

1 floating connector

11 base

111 accommodation space

113 Bearing part

116 positioning column

117 bumps

13 moving parts

131 Body part

1310 docking hole

1311 first opening

1312 second opening

13121 guide surface

133 extension end

15 terminals

151 first end

152 Second end

153 bending part

17 fasteners

171 welding feet

177 snap part

200 mating end circuit board

2 mating end connector

21 Mating terminal.

Detailed ways

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

Please refer to Figures 1 and 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 version of the floating connector 1 of the present invention that has not been installed on the circuit board 100. A three-dimensional diagram from one perspective. 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. A plurality of electrical contacts 104 and a plurality of solder joints 105 are also provided on the circuit board 101. In addition, the circuit board 100 can further be formed with two positioning holes 106.

Please also refer to FIG. 3 . The floating connector 1 of the present invention includes a base 11 , a movable component 13 , a plurality of terminals 15 , and two fixing components 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 carrying 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 both sides. The movable member 13 is disposed on the base 11 and the body portion 131 is partially inserted through the through hole 103. Specifically, the extension ends 133 are respectively disposed on the bearing portion 113, so that the body portion 131 The through hole 103 is disposed in the accommodating space 111 and extends from the accommodating space 111 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 . In detail, 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 also has a plurality of bumps. 117. The protrusions 117 are formed on the side of the bearing 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 , so that 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 portion 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. Other connector terminals are electrically connected, and the bending portion 153 is located between the movable member 13 and the base 11 , thus providing an elastic force so that the movable member 13 can move in a direction parallel to the circuit board 100 With respect to the movement and reset of the base 11, the allowable amount of movement in each direction is designed to be 0.7 mm, for example.

Figure 6 shows a schematic diagram of the actual operation of the floating connector 1 of the present 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 terminal of the present invention Connector 1 is particularly suitable for this type of docking.

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

The above-mentioned embodiments are only used to illustrate the embodiments of the present utility model and explain the technical features of the present utility model, and are not intended to limit the protection scope of the present utility model. Any changes or equivalence arrangements that can be easily accomplished by those skilled in the art fall within the scope claimed by the present utility model, and the scope of rights protection of the present utility model shall be determined by the claims.

Claims (10)

1. A floating connector, characterized in that it is disposed on a circuit board, the circuit board having a first surface, a second surface opposite to the first surface, and a through hole communicating the first surface and the second surface, the floating connector comprising:

a base disposed on the first surface of the circuit board and crossing the through hole;

the movable piece is arranged on the base and partially penetrates through the through hole;

at least one terminal connected across the base and the movable member; and

the fixed piece is fixedly connected to the first surface and is clamped with the base so as to clamp the movable piece together with the base;

wherein the movable member is movable relative to the base in a direction parallel to the circuit board.

2. The floating connector of claim 1, wherein the base forms a receiving space, the receiving space is in communication with the through hole, the movable member has a body portion disposed in the receiving space and extending from the receiving space through the through hole.

3. The floating connector of claim 2, wherein the base has two bearing portions, and the movable member has two extending ends, and the extending ends are connected to the body portion and can be movably clamped between the bearing portions and the fixed member.

4. The floating connector of claim 3, wherein the body portion has at least one mating hole formed therethrough, the mating hole having a first opening and an opposite second opening, the first opening being located on a side away from the first surface, the second opening being located on the other side away from the second surface.

5. The floating connector of claim 4, wherein the terminal has a first end electrically connected to the first surface and a second end opposite to the first end, the second end extending from the first opening and disposed in the mating hole.

6. The floating connector of claim 5, wherein the terminal further comprises at least one bending portion between the first end and the second end, the bending portion being located between the movable member and the base.

7. The floating connector of claim 5, wherein said second opening is formed by at least one guide surface.

8. The floating connector of claim 5, wherein the fixing member has a fastening portion, the base has a protrusion, and the protrusion is formed on the bearing portion and is used for being fastened with the fastening portion.

9. The floating connector of claim 5 wherein said mounting member has a solder tail, said solder tail being soldered to said first surface.

10. The floating connector of claim 5 wherein said base further comprises two alignment posts and said circuit board further comprises two alignment holes, said alignment holes being configured for said alignment posts.