CN101515684A - Card-inserting fixing structure - Google Patents

Abstract

A card-inserting fixing structure includes a substrate, a card-edge connector and a supporting frame. The card edge connector is located on the substrate and is used for connecting a card in a direction approximately parallel to the substrate. The supporting frame is provided with a bottom plate, two side plates and two fixing pieces. The bottom plate is attached and fixed on the substrate. The two side plates extend outwards from two sides of the bottom plate. Two fixing pieces are arranged on the top edge of each side plate, wherein the bottom plate is selectively fixed at one of a plurality of positions on the substrate, so that the two fixing pieces are used for fixing the edge of the card which is not connected with the card edge connector. The fixing structure can reduce the number of drilled holes of the substrate and relatively increase the wiring area of the circuit board; and the stability of the card can be improved.

Description

Card fixing structure

technical field

The invention relates to a connection and fixing structure of a circuit board, and in particular to a card fixing structure.

Background technique

Please refer to FIG. 1 and FIG. 2 , which respectively illustrate known fixing structures for fixing long and short cards. As consumers have higher and higher requirements for product functions and miniaturization, the development trend of electronic products is to combine miniaturization and multi-function. To this end, manufacturers have developed modular designs to integrate the required circuit layout and electronic components into electronic cards or printed circuit boards to save space and facilitate installation. Taking Fig. 1 and Fig. 2 as an example, the short card 110a and the long card 110b are modular electronic cards. The card edge connectors 104 to which the short card 110a and the long card 110b are connected are the same. However, because the lengths of the short card 110a and the long card 110b are different, holes need to be drilled at different positions on the substrate to install the support posts. For example, the short card 110a is fixed on the base plate 102 by using the supporting posts 106a and the screws 108 ; the long card 110b is fixed on the base plate 102 by using the supporting posts 106b and the screws 108 . Because the positions of the support posts 106 a and the support posts 106 b are different, holes need to be drilled at different positions on the substrate 102 to install the support posts. If the support column 106a and the support column 106b are installed on the base plate 102 at the same time to fix the short card 110a and the long card 110b (as shown in FIG. 3 ), when the long card 110b is installed, the support column 106a will hinder the long card 110b The installation, and the increase in the number of holes drilled on the circuit board will relatively compress the wiring area of the circuit board. The above-mentioned inconveniences make manufacturers need to improve the card fixing structure.

Contents of the invention

Therefore, the object of the present invention is to provide an improved card fixing structure.

According to the above objective of the present invention, a card fixing structure is proposed, which includes a substrate, a card edge connector and a supporting frame. The card edge connector is located on the base board for a plug-in card to be connected thereto in a direction substantially parallel to the base board. The supporting frame has a bottom plate, two side plates and two fixing pieces. The bottom plate is bonded and fixed on the base plate. The two side plates extend outward from both sides of the bottom plate. Two fixing parts are located on the top edge of each side board, wherein the bottom board is selectively fixed on one of multiple positions on the base plate, so that the two fixing parts are used to fix the side of the plug-in card that is not connected with the card edge connector. The fixing structure can reduce the number of drilling holes on the substrate, relatively increase the wiring area of the circuit board, and can improve the stability of the plug-in card.

Description of drawings

Figures 1 to 3 illustrate three designs of known card fixing structures;

FIG. 4 is a diagram illustrating a card fixing structure according to a preferred embodiment of the present invention;

Fig. 5 is a diagram showing the state of the support frame in the card fixing structure of Fig. 4 after turning;

Fig. 6 is a diagram illustrating the state of the card fixing structure in Fig. 4 after the short card is locked;

Fig. 7 is a diagram illustrating the state of the card fixing structure in Fig. 5 after the long card is locked;

Fig. 8 shows a card fixing structure according to another preferred embodiment of the present invention;

Fig. 9 shows a card fixing structure according to another preferred embodiment of the present invention; and

FIG. 10 shows a card fixing structure according to another preferred embodiment of the present invention.

Symbol Description

100: Plug-in card fixing structure 204a: Connection edge

102: Substrate 206: Support frame

104: Card edge connector 206a: Backplane

106a: Support column 206b: Side plate

106b: Support column 206c: Screw hole

108: Screw 206d: Keyhole

110a: short card 206e: card hook

110b: long card 208: screw

200: card fixing structure 210a: short card

202: Substrate 210b: Long card

204: card edge connector 220: direction

Detailed ways

Please refer to FIG. 4 and FIG. 5 , which illustrate a card fixing structure according to a preferred embodiment of the present invention. The card fixing structure 200 includes a substrate 202 (such as a printed circuit board), a card edge connector 204 and a supporting frame 206 . FIG. 4 and FIG. 5 respectively show two fixing methods of the support frame 206 , so that the screw holes 206 c on the support frame 206 are different from the card edge connector 204 (the directions of the two are opposite), thereby fixing cards of different lengths.

The supporting frame 206 is composed of a bottom plate 206a, two side plates 206b and two fixing parts (such as screw holes 206c). The two side panels 206b extend vertically upward from two sides of the bottom panel 206a and are parallel to each other. The distance between the two side plates 206 b is approximately equal to the connecting edge 204 a of the card edge connector 204 . Two screw holes 206c are respectively formed on the top edge of the two side panels 206b for locking the card.

In the case of only drilling a pair of screw holes on the base plate 202, the support frame 206 can be locked on the base plate 202 in two ways by means of screws 208, and a virtual connection between the two screw holes 206c (refer to FIGS. 4 and 5 ) The dotted line of ) is parallel to the connection side 204a of the card edge connector 204 .

Referring to FIG. 4 and FIG. 6 , when the virtual connection between the two screw holes 206 c is close to the card edge connector 204 , the support frame 206 can use the screw 208 to lock the side of the short card 210 a that is not connected to the card edge connector 204 . The short card 210 a is inserted into the connecting edge 204 a of the card edge connector 204 with the other edge in a direction substantially parallel to the substrate 202 .

Referring to FIG. 5 and FIG. 7 , when the virtual connection between the two screw holes 206c is far from the card edge connector 204 , the support frame 206 can use the screw 208 to lock the side of the long card 210b that is not connected to the card edge connector 204 . The other side of the long card 210 b is inserted into the connecting side 204 a of the card edge connector 204 in a direction substantially parallel to the substrate 202 .

The manner in which the support frame 206 is fixed to the base plate 202 is not limited to the above manner. Referring to FIG. 8 , the support frame 206 can only drill a locking hole, and is locked in a screw hole on the base plate 202 by a screw 208 . The supporting frame 206 can also be fixed on the substrate 202 in two ways according to FIG. 4 and FIG. 6 . In addition, referring to FIG. 9 , the lock hole 206d on the support frame 206 may be elongated, so as to facilitate adjustment of the distance between the support frame 206 and the card edge connector 204 . The long axis of the lock hole 206d is substantially perpendicular to the virtual connection between the two screw holes 206c (refer to the dotted line in the figure). When the virtual line between the two screw holes 206c is parallel to the connecting edge 204a of the card edge connector 204, the support frame 206 can adjust the distance between the support frame 206 and the card edge connector 204 along the direction 220 (direction perpendicular to the connecting edge 204a). distance. Therefore, the length range of the card that can be fixed by the support frame 206 can be enlarged. The supporting frame 206 can also be fixed on the substrate 202 in two ways according to FIG. 4 and FIG. 6 .

In addition, the fixing elements on the support frame 206 are not limited to the above-mentioned screw holes. Please refer to FIG. 10 , the fixing part on the supporting frame 206 is a hook 206e for locking into the locking hole of the card. The connection between the hook 206e and the side plate 206b is flexible, which facilitates the card to be fixed on the support frame 206 or removed from the support frame 206 .

From the above preferred embodiments of the present invention, it can be seen that by using the card fixing structure of the present invention, manufacturers can use the design of the support frame to adjust the distance between the support frame and the card edge connector to fix cards of different lengths.

Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any skilled person can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be determined by the content defined in the claims.

Claims (10)

1. A card fixing structure, characterized in that it at least includes: a substrate; a card edge connector fixed on the substrate for connecting a plug-in card in a direction parallel to the substrate; and A support frame, including at least: a bottom plate, which is bonded and fixed on the base plate; side panels extending outwardly from both sides of the bottom panel; and Two fixing parts are located on the top edge of each side board, wherein the bottom board is selectively fixed on one of a plurality of positions on the base plate, so that the two fixing parts are used to fix the plug-in card not connected with the card edge connector side of the connection. 2. The card fixing structure according to claim 1, wherein the fixing member is a screw hole. 3. The card fixing structure according to claim 1, wherein the fixing member is a hook. 4. The card fixing structure according to claim 1, wherein the two side plates are parallel to each other, and the distance between the two side plates is equal to the connecting edge of the card edge connector. 5 . The card fixing structure according to claim 1 , wherein the bottom plate has at least one screw hole for screwing on the base plate. 6 . 6. The card fixing structure according to claim 1, wherein when the base plate is fixed on one of the positions on the substrate, the virtual line between the two fixing parts is parallel to the card edge connector connection edge. 7. The card fixing structure according to claim 6, wherein the distance between the virtual line between the two fixing parts and the connecting side of the card edge connector is different at each position. 8 . The card fixing structure as claimed in claim 7 , wherein the base plate has a long locking hole for screwing on the base plate. 9 . 9. The card fixing structure according to claim 8, wherein the long axis of the elongated lock hole is perpendicular to the virtual connection between the two fixing parts. 10. The card fixing structure according to claim 1, wherein the two side panels are perpendicular to the bottom panel.

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