Mounting apparatus, component assembly, and electronic device

An electronic device includes an enclosure, a circuit board mounted in the enclosure, an electronic component attached to the circuit board, an antenna module mounted to the electronic component, and a mounting apparatus configured to mount the antenna module. The mounting apparatus includes a pressing member mounted on the circuit board. The mounting apparatus includes a pressing panel, a pressing block extending from the pressing panel, a positioning piece extending from the pressing panel, and a pressing piece extending from the pressing block. The pressing piece has a back wall. The pressing block presses the electronic component, the pressing panel presses the antenna module, and the back wall and the positioning piece abut against two adjacent sidewalls of the electronic component.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 201510010663.6 filed on Jan. 9, 2015, the contents of which are hereby incorporated by reference.

FIELD

The subject matter herein generally relates to a mounting apparatus, and more particularly to a mounting apparatus which can firmly mount an antenna module to an electronic component.

BACKGROUND

An antenna module is applied in an electronic device to send and receive signals. The antenna module is generally mounted to an electronic component of the electronic device.

DETAILED DESCRIPTION

FIG. 1illustrates an embodiment of an electronic device including an enclosure10, a circuit board20, and a component assembly30attached to the circuit board20. The enclosure10has a bottom plate11, and the circuit board20is mounted on the bottom plate11.

FIG. 2illustrates the circuit board20including a main body22and a connector24mounted on the main body22. A mounting hole221is defined in the main body22. A slot241is defined in the connector24.

The component assembly30can include an electronic component40, a mounting apparatus50, and an antenna module90. The mounting apparatus50can include a fastener60, a supporting member70, and a pressing member80. The antenna module90can include a first antenna92and a second antenna94. In at least one embodiment, the electronic component40is a wireless card.

The electronic component40can include a card body42and a chip44mounted on the card body42. The chip44is substantially located at the center of the card body42. In at least one embodiment, a step structure is formed by the card body42and the chip44.

A connecting portion422is attached to an end of the card body42, and a fastening hole424is defined at another end of the card body42. The fastening hole424is semicircular and extends to an edge of the card body42. In at least one embodiment, the fastening hole424and the connecting portion422are located at two opposite sides of the chip44. An antenna connector46is attached to the card body42and located at a same side of the chip44with the fastening hole424. The antenna connector46can include a first connector462and a second connector464spaced apart.

The fastener60can include a head62and a securing post64extending from the head62. In at least one embodiment, the head62is substantially a cylinder, and a diameter of the head62is larger than that of the securing post64. The fastener60is a bolt or a screw.

The supporting member70can include a supporting portion72configured to support the electronic component40and a securing portion74configured to be mounted to the circuit board20. In at least one embodiment, the supporting portion72and the securing portion74are cylinders, and a diameter of the supporting portion72is larger than that of the securing portion74. A latching hole721is defined in the supporting portion72and extends to the securing portion74.

FIGS. 3-4illustrate the pressing member80including a planar pressing panel81and a pressing block82perpendicularly extending from the pressing panel81. In at least one embodiment, the pressing panel81is substantially “L” shaped, and the pressing block82is cuboid. An operation hole811is defined in the pressing panel81. The operation hole811is a through hole and extends to the pressing block82. An extending direction of the operation hole811is substantially perpendicular to the pressing panel81. A positioning piece83extends from a side of the pressing panel81away from the pressing block82. The positioning piece83is substantially perpendicular to the pressing panel81. A channel84is defined in the pressing member80and located between the positioning piece83and the pressing block82.

The pressing panel81can include a front wall813, a rear wall814, and a side wall815. The rear wall814is parallel with the front wall813. The front wall813is connected with the rear wall814by the side wall815. The positioning piece83extends from the side wall815of the pressing panel81. The side wall815is substantially perpendicular to the front wall813and the rear wall814.

The pressing block82can include a front surface823, a rear surface824, and a side surface825. The rear surface824is parallel with the front surface823. The front surface823is connected with the rear surface824by the side surface825. The front surface823, the rear surface824, and the side surface825are substantially perpendicular to the pressing panel81. The front surface823and the front wall813are located at a first plane perpendicular to the pressing panel81. A distance between the front surface823and the rear surface824is shorter than a distance between the front wall813and the rear wall814. The side surface825is substantially parallel with the positioning piece83. The channel84is located between the side surface825and the positioning piece83.

The pressing block82further includes a bottom surface828parallel with the pressing panel81, and the bottom surface828is substantially perpendicular to the front surface823, rear surface824, and the side surface825.

The pressing member80further includes a pressing piece85extending from the bottom surface828. The pressing piece85covers a part of the operation hole811. In at least one embodiment, the pressing piece85is cuboid, and a thickness of the pressing piece85is substantially equal to that of the card body42. The pressing piece85can cover half of the bottom surface828, and form a step structure with the pressing block85. The pressing piece85has a back wall851perpendicularly connected to the bottom surface828. A securing hole852is defined in the pressing piece85. The securing hole852extends to the back wall851and is communicated with the operation hole811. An extending direction of the securing hole852is as same as that of the operation hole811. In at least one embodiment, the securing hole852is a semicircular, and a diameter of the securing hole852is equal to that of the fastening hole424. A hole configured to receive the securing post64is defined by the securing hole852and the fastening hole424.

The pressing member80further includes a supporting piece83extending from one side of the pressing piece85away from the side surface825. The supporting piece86is substantially parallel with the positioning piece83, and perpendicular to the pressing panel81and the pressing piece85. In at least one embodiment, a distance between a free end of the supporting piece86and the pressing panel81is larger than a free end of the positioning piece83and the pressing panel81.

FIGS. 5-8illustrate an assembly of the electronic device. The circuit board20is mounted on the bottom plate11of the enclosure10. The securing portion74is engaged in the mounting hole221in order to mount the supporting member70in the circuit board20.

The first antenna92is connected to the first connector462, and the second antenna94is connected to the second connector464. The pressing member80is moved towards the circuit board20till the pressing member80is supported on the supporting member70. The pressing block82presses the electronic component40, the bottom surface828abuts against the card body42, the supporting piece86is supported on the circuit board20, and the positioning piece83abuts against a sidewall of the card body42. The pressing panel81and the supporting member70are located at two opposite sides of the electronic component40.

The pressing member80is moved towards the electronic component40till the back wall851abuts against the electronic component40. The back wall851and the positioning piece abut against two adjacent sidewalls of the electronic component40. The pressing piece85and the card body42are located at a same horizontal parallel with the main body22and supported together by the supporting member70.

The securing post64of the fastener60is inserted into a hole defined by the fastening hole424and the securing hole852and engaged in the latching hole in order to mount the pressing member80on the circuit board20. The head62of the fastener60is received in the operation hole611and abuts against the pressing piece85and the card body42simultaneously. The pressing panel81presses against the antenna module90in the channel84, thereby mounting the antenna module90to the circuit board firmly.