1. Field of the Invention
The present invention relates to card edge connector, more particularly to a card edge connector with an improved housing.
2. Description of Related Art
China Patent No. 202759077, published on Feb. 27, 2013, discloses a related card edge connector for mating an electrical card, and the electrical card defines at least a notch and a recess. The card edge connector defines an elongated slot downwardly, and the slot defines a key corresponding to the notch. The bottom of the slot defines at least a convex corresponding to the recess and the convex locates at the end of the slot in the elongated direction. When the electrical card is inserted in the slot, the convex gets into the recess and supports the electrical card for preventing the electrical card from skewing.
However, it can not prevent the electrical card from drafting in the elongated direction, and a little draft would cause a poor contact or a dislocation between the contacts and the gold fingers, when the gold fingers are highly integrated.
Hence, an improved card edge connector is desired to overcome the above problems.
An object of the present invention is to provide a card edge connector which could prevent the electrical card from drafting in the elongated direction.
In order to achieve the above-mentioned object, a card edge connector which could be inserted by an electrical card with a pair of slopes in its bottom edge includes an insulating housing and a plurality of contacts retained in the insulating housing. The insulating housing includes a top surface, an elongated passageway which recesses from the top surface, and a pair of ladder sections or protruding portions which protrude into the passageway for supporting the slopes. Therefore, it can enhance the stability when the electrical card is inserted into the passageway.
The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the detailed description of the invention that follows may be better understood. Additional features and advantages of the invention will be described hereinafter which form the subject of the claims of the invention.
For a more complete understanding of the present invention, and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which:
Reference will be made to the drawing figures to describe the present invention in detail, wherein depicted elements are not necessarily shown to scale and wherein like or similar elements are designated by same or similar reference numeral through the several views and same or similar terminology.
Referring to
Referring to
The insulative housing 2 includes an elongated main body 21 and two tower portions 22. The main body 21 includes a top surface 211, an elongated passageway 212 which recesses from the top surface 211, two rows of slots 213 for receiving the contacts 3 in the two side walls of the passageway 212 and a key 23 protrudes from the bottom surface 214 of the passageway 212. The key 23 corresponds to the notch 11 of the electrical card 1 and deviates from one end of the passageway 212 in the elongated direction for preventing the electrical card from mismating.
Referring to
According to the present aspect of the invention, the main body 21 also defines a pair of convex portions 25. The convex portion 25 protrudes from the bottom surface 214 of the passageway 212, and the convex portion 25 is higher than the protruding portion 24. The convex portion 25 could be as tall as the protruding portion 24 in other aspect of the invention (not shown). The width of the convex portion 25 and the protruding portion 24 could be same as the width of the passageway 212 or shorter than which in different aspects. The convex portion 25 corresponds to the recess 12 of the electrical card 1 for supporting the electrical card 1, and prevents the electrical card 1 from shake or vibration when it is inserted into the card edge connector 100.
Referring to
According to the present aspect of the invention, the length of the inclined portion 243′ is as the same with the length of the slope 121 or longer than which in different aspects. The height of ladder section 24′ is as the same with the height of the recess 12 or higher than which in different aspects. The length of horizontal step surface 241′ in the elongated direction could be same as the length of the flat portion 122 or shorter than which in different aspects. The width of the ladder section 24′ could be same as the width of the passageway 212 or shorter than which in different aspects in the transverse direction which is perpendicular to the elongated direction.
Referring to
The latch 4 is mounted into the groove 221 and includes a base portion 41, a pair of rotating shafts 42 protruding from two sides of the base portion 41 and pivoting in a pair of shaft hole formed by the tower portion 22, a pushing portion 43 extending towards the passageway 212 from one end of the base portion 41 in the opening station for pushing the memory card outwardly, an operating portion 45 disposed at distal end of the latch 4 and a locking portion 44 disposed at opposite end of the operating portion 45 and extending towards the passageway 212 from another end of the base portion 41 for locking the electrical card 1.
Referring to
In the above process, the bottom edge 10 and the flat portion 122 insert into the passageway 212 successively, and it makes the clamp force the contacts bring to the electrical card 1 be in stages. And the insertion force is reduced therefore, and it makes the user convenient and easy to insert the electrical card 1 into the card edge connector 100.
It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the board general meaning of the terms in which the appended claims are expressed.
Number | Date | Country | Kind |
---|---|---|---|
2013 1 02439714 | Jun 2013 | CN | national |
2013 2 03524457 U | Jun 2013 | CN | national |
Number | Name | Date | Kind |
---|---|---|---|
3160455 | Mayon et al. | Dec 1964 | A |
4095866 | Merrill | Jun 1978 | A |
4713013 | Regnier et al. | Dec 1987 | A |
6319037 | Lai | Nov 2001 | B1 |
6855891 | Eguchi et al. | Feb 2005 | B2 |
7442063 | Sabo et al. | Oct 2008 | B2 |
7922506 | Harlan et al. | Apr 2011 | B1 |
8444424 | Shen et al. | May 2013 | B2 |
8858257 | Mo et al. | Oct 2014 | B2 |
8900001 | Li et al. | Dec 2014 | B2 |
Number | Date | Country |
---|---|---|
202759077 | Feb 2013 | CN |
Number | Date | Country | |
---|---|---|---|
20140377972 A1 | Dec 2014 | US |