TWI423761B - Board card screwless fixing stucture and electronic device using the same - Google Patents

Description

Board without screw fixing structure and electronic device using the same without screw fixing structure

The present invention relates to a fixed structure, and more particularly to a cardless screw-free structure.

In view of the fact that the design of electronic devices (such as servers) tends to be lighter, the space utilization in the casing, and the functional expansion, it is conventional to use a riser card inserted on the circuit board, and then the card is inserted. On the riser card. However, because one end of the card is inserted into the slot of the riser card, and the other end is floating on the circuit board like a cantilever, the card is easily deflected and deformed, which affects the normal function of the card.

In order to prevent the card from flexing and deforming and affecting its function, a piece of iron is locked to one side of the body of the card, and when the card is inserted into the slot of the riser card, it is usually used again. The screw passes through the iron piece and locks into the casing, so that the side of the slot that is not inserted into the slot of the riser card is fixed to the casing, and the deformation of the card is prevented.

The invention provides a card screwless fixing structure with assembly convenience.

The invention provides a screwless fixing structure of a card and an electronic device using the same without a screw fixing structure. The electronic device comprises a card and the above-mentioned card screwless fixing structure, wherein the card has a fixing portion. The board screwless fixing structure comprises a casing and a buffer fixing member, wherein the casing has a side wall, and the side wall has an assembly space corresponding to the fixing portion of the card. The buffer fixing member is disposed in the assembly space, and the fixing portion of the card is correspondingly embedded in the buffer fixing member.

In an embodiment of the electronic device of the present invention, the card includes a body and a locking card, wherein the body has a first normal direction, and the locking card has a second normal direction, and the first The normal direction and the second normal direction are perpendicular to each other, and the fixing portion is located at one end of the locking card.

In an embodiment of the cardless screw fixing structure of the present invention and the electronic device using the card screwless structure, the fixing portion has a bend, and a third normal direction of the bend is perpendicular to the first a normal direction and a second normal direction, and the cushioning fixture has a mosaic body, and the mosaic body has an opening, and the bend is embedded in the opening of the mosaic body.

In an embodiment of the cardless screw fixing structure of the present invention and the electronic device using the card screwless structure, the buffer fixing member further has a buffering elastic arm on the opening of the insert main body, and the buffering elastic arm The other end is a free end, and the end of the free end that can be connected to the inlaid body is axially opposite to the inlaid body to facilitate bending of the opening embedded in the inlaid body.

Based on the above, using the cardless screw fixing structure of the present invention, the relative positions of the board and the casing can be fixed without using screws. For the user, it has the advantage of easy assembly and disassembly.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a schematic view of a cardless screw-fixing structure applied to an electronic device according to an embodiment of the present invention, FIG. 2 is a schematic view of the card of FIG. 1, and FIG. 3 is a schematic view of the casing and the buffering fixture of FIG. Referring to FIG. 1 , FIG. 2 and FIG. 3 , the electronic device 1000 includes a card 1100 and a card screwless structure 1150 , wherein the card 1100 has a fixing portion 1110 , and the card screwless structure 1150 includes a The casing 1200 and a buffer fixing member 1300. The casing 1200 has a side wall 1210, and the side wall 1210 has an assembly space 1212 corresponding to the fixing portion 1110 of the card 1100. The buffer fixing member 1300 is disposed in the assembly space 1212 , and the fixing portion 1110 of the card 1100 is correspondingly embedded in the buffer fixing member 1300 .

In detail, the electronic device 1000 of the embodiment is, for example, a server, and the card screwless structure 1500 is applied to the server. Therefore, the casing 1200 is the casing of the server in this example. In addition, the card 1100 includes a body 1120 and a locking card 1130. The body 1120 is a single-layer or multi-layer circuit board, and the body 1120 has a first normal direction N1. The locking card 1130 is a metal plate disposed on one side of the body 1120. The locking card 1130 has a second normal direction N2, wherein the first normal direction N1 and the second normal direction N2 are perpendicular to each other. The locking card 1130 is typically secured to the body 1120 in a screwed manner.

Continuing to refer to FIG. 1 , FIG. 2 and FIG. 3 , the fixing portion 1110 is located at one end of the locking card 1130 , and the fixing portion 1110 of the embodiment is integrally formed with the locking card 1130 , wherein the fixing portion 1110 has a bend. 1112, and a third normal direction N3 of the bend 1112 is perpendicular to the first normal direction N1 and the second normal direction N2, and the first normal direction N1, the second normal direction N2, and the third normal direction N3 is not parallel to each other.

4 is a schematic view of the cushioning fixture of FIG. 1. Referring to FIG. 3 and FIG. 4 simultaneously, the material of the buffer fixing member 1300 may be foam or rubber, and the overall volume of the buffer fixing member 1300 is slightly larger than the volume of the assembly space 1212, so that the cushion fixing member 1300 can be used by itself. The elasticity is tightly fitted to the assembly space 1212. The cushioning fixture 1300 has an inlay body 1310, and the inlay body 1310 has an opening 1312, and the fixing portion 1110 of the card 1100 is embedded in the opening 1312.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , after the gold finger of the main body 1120 of the card 1100 is inserted into the slot 2100 of the riser card 2000 in the electronic device 1000, the end of the lock card 1130 is placed. The bend 1112 of the fixing portion 1110 is placed in the opening 1312 of the insert body 1310, wherein the opening W12 of the opening 1312 can be smaller than the thickness W2 of the bend 1112, so that the insert body 1310 tightly covers the bend 1112.

It should be noted that when the main body 1120 of the card 1100 is fixed relative to the side wall 1210 of the casing 1200 with respect to the side adjacent to the fixing portion 1110, the user directly inserts the bending 1112 of the fixing portion 1110 into the inlay of the cushion fixing member 1300. In the main body 1310. During the assembly process, the connection between the side of the main body 1120 of the card 1100 and the side wall 1210 of the casing 1200 is relatively strong without using a hand tool such as a screwdriver to perform the action of the locking screw. To prevent the body 1120 of the card 1100 from flexing. Therefore, for the user, the labor and assembly convenience required for locking the screw can be saved.

Moreover, the cushion fixing member 1300 has elasticity, so when the bending 1112 is embedded in the insert main body 1310, the cushion fixing member 1300 can buffer an external force from the outside of the casing 1200 or other electrons disposed in the casing 1200. Random Vibration caused by components. Compared with the conventional use, because the fixing part is locked to the casing by screws, the vibration of the casing and the screw is not only easy to cause noise, but also the vibration is transmitted to the board through the screw, which easily affects the precision electronic on the board. element. Therefore, the use of the cushioning fixture 1300 also has the effect of reducing noise and protecting the card.

Referring to FIG. 4 again, the buffer fixing member 1300 may further have a buffering elastic arm 1320 on the inlay main body 1310, and the opening 1312 of the inlay main body 1310 is substantially Y-shaped, and the Y-shaped opening direction faces the buffering elastic arm 1320. The end of the buffering elastic arm 1320 is connected to the inlaid main body 1310, so that the end of the buffering elastic arm 1320 is a free end, and the end connected to the inlay main body 1310 is axially opened relative to the inlay main body 1310, wherein the setting of the buffering elastic arm 1320 can be prevented. When the upper cover (not shown) of the server is assembled with the casing 1200, it comes into contact with the fixing portion 1110 to easily transmit vibration. When the bending 1112 of the fixing portion 1110 of the card 1100 is inserted into the opening 1312 of the inlay main body 1310 of the cushioning fixture 1300, the buffering arm 1320 is first the end of the free end to be connected to the inlay main body 1310. The shaft is opened relative to the inlaid body 1310 to expose the opening 1312, and the convenient bend 1112 can be correspondingly inserted into the opening 1312 from above the opening 1312.

In summary, in the screwless fixing structure of the card of the present invention, the cushioning fixing member has a fixed effect, so that after the fixing portion is embedded therein, the fixing of the card can be achieved to prevent the card from being flexed. Moreover, the cushioning fixture also has the effect of buffering, which can effectively buffer the vibration and prevent the transmission of vibration, so as to achieve the purpose of noise reduction and protection of the card.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

1000. . . Electronic device

1100. . . Board

1110. . . Fixed part

1112. . . Bend

1120. . . Ontology

1130. . . Lock card

1150. . . Board without screw fixing structure

1200. . . cabinet

1210. . . Side wall

1212. . . Assembly space

1300. . . Buffer fixture

1310. . . Mosaic body

1312. . . Opening

1320. . . Buffering arm

2000. . . Riser card

2100. . . Slot

N1. . . First normal direction

N2. . . Second normal direction

N3. . . Third normal direction

W1. . . caliber

W2. . . thickness

FIG. 1 is a schematic diagram of a screwless fixing structure of a card applied to a server according to an embodiment of the invention.

2 is a schematic view of the board of FIG. 1.

3 is a schematic view of the casing and the cushioning fixture of FIG. 1.

4 is a schematic view of the cushioning fixture of FIG. 1.

1000. . . Electronic device

1100. . . Board

1110. . . Fixed part

1120. . . Ontology

1130. . . Lock card

1150. . . Board without screw fixing structure

1200. . . cabinet

1210. . . Side wall

1212. . . Assembly space

1300. . . Buffer fixture

2000. . . Riser card

2100. . . Slot

N1. . . First normal direction

N2. . . Second normal direction

Claims (7)

The utility model relates to a card screwless fixing structure, which is suitable for fixing a card having a fixing portion, comprising: a casing having a side wall, wherein the side wall has an assembly space; and a buffer fixing member formed by foam or rubber The fixing portion is integrally disposed in the assembly space, and the fixing portion of the card is correspondingly embedded in the buffer fixing member, wherein the fixing portion is not provided with an opening. The card has no screw fixing structure according to the first aspect of the invention, wherein the fixing portion of the card has a bend, and the buffer fixing member has a mosaic body, the insert body has an opening, and the fold A bend is embedded in the opening of the insert body. The card has no screw fixing structure according to the second aspect of the invention, wherein the buffer fixing member further has a buffering elastic arm located on the mounting body, and an end of the buffering elastic arm is connected to the mounting body, and The other end of the buffering elastic arm is a free end, and the end of the free end that can be connected to the inlaid body is axially opened relative to the inlaid body to facilitate the bending of the opening embedded in the inlaid body. An electronic device comprising: a card having a fixing portion; and a card screwless fixing structure, comprising: a casing having a side wall, wherein the side wall has an assembly space corresponding to the fixing portion of the card; and Buffer fixture, molded from foam or rubber and has The elastic portion is disposed in the assembly space, and the fixing portion of the card is correspondingly embedded in the buffer fixing member, wherein the fixing portion is not provided with an opening. The electronic device of claim 4, wherein the card comprises: a body having a first normal direction; and a locking card having a second normal direction, wherein the first normal The direction and the second normal direction are perpendicular to each other, and the fixing portion is located at one end of the locking card. The electronic device of claim 5, wherein the fixing portion has a bend, and a third normal direction of the bend is perpendicular to the first normal direction and the second normal direction, and The cushioning fixture has an inlay body having an opening and the bend is embedded in the opening of the inlay body. The electronic device of claim 6, wherein the buffer fixing member further has a buffering elastic arm located on the opening of the mounting body, and an end of the buffering elastic arm is connected to the mounting body, and the The other end of the buffering elastic arm is a free end, and the end of the free end that can be connected to the inlaid body is axially open with respect to the inlaid body, and the bending is embedded in the opening of the inlaid body.