Patent Application
20090016846
The present invention relates to an anchor structure for electronic card connectors and particularly to an anchor structure that can flexibly control fitness of electronic card connectors.
The progress of electronic information products advances rapidly these days. Demands of users on electronic products are higher. Utilization scope of the electronic products is expanded constantly. Function of electronic products such as computers, mobile phones, digital cameras and the like also increases. The auxiliary function also is enhanced. The peripheral electronic circuits and connection terminals become more complex and versatile. The connectors generally mean connection elements and their accessories used to transmit electronic signals and power supply. They are indispensable elements in the electronic information products. Their quality not only affects the reliability of electric current and signal transmission, also impacts operation quality of the entire electronic equipment.
A connector generally has an insulation body with fixed pins formed thereon to be inserted into holding orifices of a circuit board. The pins are round brass struts or plastic struts. Such a structure tends to create shaking of the insulation body. It is not steady or reliable, and not desirable for soldering the connector pins. Dislocation easily occurs to the insulation body under forces during insertion or unplugging of external elements. And the pins of the connector are prone to loosen off and signal transmission could be impacted.
The primary object of the present invention is to solve the aforesaid disadvantages. The present invention provides a fastening element that does not need rivet coupling. Production time can be reduced. The fastening element has an anchor structure mating a body to form a secure coupling that is not too tight or too loose. And it can be flexibly controlled to achieve a desired fitness.
The anchor structure for electronic card connectors according to the invention includes an fastening element to be held in a holding orifice at two ends of a body. The fastening element has an anchor member and an anchor seat. The anchor member and the anchor seat have respectively an extended portion formed at a diameter slightly greater than the fastening element. The anchor member has a first anchor portion. The anchor seat has a second anchor portion corresponding to the first anchor portion. The first and second anchor portions can be coupled together or separated.
The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
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In an embodiment of the invention, the anchor structure is coupled with a connector 30 and installed at a desired location on a circuit board 40. The connector 30 is inserted into an orifice 12 to be connected to a pin 13 in the orifice 12. The pin 13 is connected to the circuit board 40 so that the connector 30 is electrically connected to the circuit board 40 in a firm manner. The anchor seat 22 runs through the holding bore 11 of the body 10. The second anchor portion 221 is exposed outside the holding bore 11 and latched by the first anchor portion 211 of the anchor member 21. Thereby the anchor member 21 and the anchor seat 22 form a flexible coupling to control fitness of the body 10.
In addition, the anchor seat 22 has an expanded portion 222 formed at an outer diameter corresponding to the extended portion 220. The expanded portion 222 is annular with a sloped surface to allow the fastening element 20 to be soldered on the circuit board 40. The holding bore 11 further has an aperture 110 formed at a greater diameter to house the extended portion 220. The aperture 110 has a plane bucking surface 111. The extended portion 220 has a tangent surface 223 in parallel with the axis of the anchor seat 22. The bucking portion 111 and the tangent surface 223 form a confined relationship so that the fastening element 20 cannot rotate in the holding bore 11. Hence when a screwing element 31 of the connector 30 is screwed with a bucking hole 224 of the fastening element 20 the fastening element 20 does not rotate in an idle manner.
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While the preferred embodiments of the invention have been set forth for the purpose of disclosure, modifications of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
