TWI728565B - Mount structure for expansion card and circuit assembly - Google Patents

Abstract

A mount structure for expansion card includes a first rail, a second rail and a locking element. The first rail and second rail are used for fixing on the circuit board. The first rail and the second rail surround a sliding groove respectively. The two sliding grooves is configured to slide for expansion card to mount expansion card on socket of circuit board. The locking element includes an operating part, a pivoting part and a locking part. The operating part and the locking part connect with the opposite two sides of the pivoting part respectively. The pivoting part pivots on the first rail. The operating part is configured to make the locking part move between a locking position and a releasing position. When the locking part locates at the locking position, the locking part locates in the sliding groove of the first rail. When the locking part locates at the releasing position, the locking part detach from the sliding groove.

Description

Expansion card installation structure and circuit assembly

The present invention relates to an expansion card installation structure and circuit assembly, in particular to an expansion card installation structure and circuit assembly including sliding rails.

The Open Compute Project (OCP) is an organization that shares data center product designs between companies. Servers or expansion cards related to open computing projects have been widely used in various levels. Generally speaking, expansion cards related to open computing projects are inserted into slots on the circuit board through guide rails on the circuit board.

However, when the expansion card is inserted into the slot of the circuit board, it is only supported by the slot and the sliding rail, so that the expansion card may shake or even fall out of the slot when the server is operating. Therefore, technicians need to find a way to firmly install the expansion card related to the open computing project in the slot of the circuit board through the sliding rail.

The invention provides an expansion card installation structure and a circuit assembly to improve the stability of the expansion card installed in the slot of the circuit board through the slide rail.

The expansion card installation structure disclosed in an embodiment of the present invention is used for installing an expansion card in a slot of a circuit board. The expansion card installation structure includes a first slide rail, a second slide rail and a first fastener. The first slide rail and the second slide rail are used for fixing to the circuit board. the first The slide rail and the second slide rail each include a bearing plate and a cover plate. The two cover plates are respectively connected to the two bearing plates and respectively surround the two bearing plates to form two sliding grooves. The two sliding grooves are used for the expansion card to slide and move The expansion card is installed in the slot of the circuit board, and the cover of the first sliding rail includes a through slot. The through slot is located on the side of the sliding slot away from the supporting board and extends in a direction close to the supporting board to communicate with the sliding slot. The first buckle includes a first operating portion, a first pivotal portion, and a first buckle portion. The first operating portion and the first buckle portion are respectively connected to opposite sides of the first pivoting portion. The first pivot part is pivotally connected to the cover plate. The first operating part is used for driving the first buckle part to move between a buckle position and a release position. When the first buckle portion is located at the buckle position, the first buckle portion is located on the sliding groove of the first sliding rail and used for engaging with a groove of the expansion card. When the first buckle is in the release position, the first buckle is separated from the sliding groove of the first sliding rail and used to escape from the slot of the expansion card.

The circuit assembly disclosed in another embodiment of the present invention includes a circuit board, an expansion card, a first slide rail, a second slide rail, and a first fastener. The circuit board includes a board body and a slot arranged on the board body. The expansion card is inserted in the slot of the circuit board. The first slide rail and the second slide rail are used for fixing to the circuit board. The first slide rail and the second slide rail each include a bearing plate and a cover plate. The two cover plates are respectively connected to the two bearing plates and respectively surround the two slide grooves with the two bearing plates. The two sliding slots are used for sliding the expansion card to install the expansion card in the slot of the circuit board. The cover plate of the first slide rail includes a through groove, and the through groove is located on a side of the slide groove away from the bearing plate, and extends in a direction close to the bearing plate to communicate with the slide groove. The first buckle includes a first operating portion, a first pivotal portion, and a first buckle portion. The first operating portion and the first buckle portion are respectively connected to opposite sides of the first pivoting portion. The first pivot part is pivotally connected to the cover plate. The first operating part is used for driving the first buckle part to move between a buckle position and a release position. When the first buckle portion is located at the buckle position, the first buckle portion is located on the sliding groove of the first sliding rail and used for engaging with a groove of the expansion card. When the first buckle is in the release position, The first buckle part detaches from the sliding groove of the first sliding rail and is used for detaching from the card slot of the expansion card.

According to the expansion card installation structure disclosed in the above-mentioned embodiment, through the design that the buckle is pivoted on the first slide rail, the user can drive the buckle of the buckle to buckle by pressing the operating part of the buckle. The position is moved to the release position so that the expansion card can be easily slid into the slide slot and inserted into the slot. Or pulling up the operating part of the buckle can drive the buckle of the buckle to return from the release position to the buckle position.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention, and to provide a further explanation of the scope of the patent application of the present invention.

10.10a: Circuit components

100: Expansion card

101: card slot

200: circuit board

201: Board body

202: Slot

203: top surface

204: Bottom

205: Slotting

206: The first wall

207: The second wall

250, 250a: Expansion card fixed structure

300: The first slide

310: Carrier plate

320: cover

321: piercing

330: Chute

400, 400a: second slide

500: The first fastener

510: The first operation part

520: first pivot

530: first button

531: guide slope

500a: second snap fastener

600, 600a: elastic parts

A, B, D1: direction

Fig. 1 is an exploded view of a circuit assembly according to a first embodiment of the present invention.

Fig. 2 is a perspective view of the first sliding rail, the first buckle member and the elastic member in Fig. 1.

Fig. 3 is an exploded view of the first slide rail, the first buckle member and the elastic member in Fig. 2.

Fig. 4 is a schematic partial cross-sectional view of Fig. 2.

5 is a schematic cross-sectional view of the first fastener of FIG. 4 being pushed by the expansion card.

6 is a schematic cross-sectional view showing that the first fastener of FIG. 4 is fastened to the slot of the expansion card.

Fig. 7 is an exploded view of a circuit assembly according to a second embodiment of the present invention.

The detailed features and advantages of the present invention are described in detail in the following embodiments. The content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and in accordance with the content disclosed in this specification, the scope of patent application and the drawings. , Any familiarity with relevant skills Artists can easily understand the purpose and advantages of the present invention. The following examples further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention by any viewpoint.

Please refer to Figure 1 to Figure 4. Fig. 1 is an exploded view of a circuit assembly according to a first embodiment of the present invention. Fig. 2 is a perspective view of the first sliding rail, the first buckle member and the elastic member in Fig. 1. Fig. 3 is an exploded view of the first slide rail, the first buckle member and the elastic member in Fig. 2. Fig. 4 is a schematic partial cross-sectional view of Fig. 2.

In this embodiment, the circuit assembly 10 includes an expansion card 100, a circuit board 200, and an expansion card fixing structure 250. The circuit board 200 includes a board body 201 and a slot 202. The board body 201 of the circuit board 200 has a top surface 203, a bottom surface 204, a slot 205, a first wall surface 206 and a second wall surface 207. The top surface 203 and the bottom surface 204 face away from each other. The slot 205 penetrates the top surface 203 and the bottom surface 204. The first wall surface 206 and the second wall surface 207 are located in the slot 205 and face each other. The slot 202 is disposed on the board 201 and located in the slot 205. The expansion card 100 is accommodated in the slot 205.

In this embodiment, the expansion card fixing structure 250 includes a first sliding rail 300, a second sliding rail 400, and a first fastener 500. The expansion card fixing structure 250 may also include an elastic member 600.

The first sliding rail 300 and the second sliding rail 400 are respectively fixed on the first wall surface 206 and the second wall surface 207 of the circuit board 200 and are used for the expansion card 100 to slide.

Of course, the circuit board 200 is not limited to including the slot 205, and in other embodiments, the circuit board does not include the slot. Furthermore, in the embodiment where the circuit board does not include a slot, the slot, the first sliding rail, and the second sliding rail are instead arranged on the top surface of the circuit board.

Since the first slide rail 300 and the second slide rail 400 are similar in structure, For the convenience of description, only the detailed structure of the first slide rail 300 is exemplified below.

The first sliding rail 300 includes a carrying plate 310 and a cover plate 320. The cover plate 320 is connected to the carrying plate 310 and surrounds the sliding groove 330 together with the carrying plate 310. The sliding slot 330 is used for sliding the expansion card 100 to install the expansion card 100 in the slot 202 of the circuit board 200.

The cover 320 of the first sliding rail 300 includes a through slot 321. The through groove 311 is located on a side of the sliding groove 330 away from the carrying plate 310, and extends in a direction close to the carrying plate 310 to communicate with the sliding groove 330.

The first buckle 500 includes a first operating portion 510, a first pivotal portion 520 and a first buckle portion 530. The first operating portion 510 and the first buckle portion 530 are respectively connected to opposite sides of the first pivoting portion 520. The first pivot portion 520 is pivotally connected to the cover 320. The first operating portion 510 is used to drive the first buckle portion 530 to move between a buckle position and a release position. When the first buckle portion 530 is located at the buckling position, the first buckle portion 530 is located at the sliding groove 330 of the first sliding rail 300 and is used for engaging with a groove 101 of the expansion card 100. When the first buckle portion 530 is in the release position, the first buckle portion 530 is separated from the sliding groove 330 of the first sliding rail 300 and used to escape from the slot 101 of the expansion card 100.

In this embodiment, the first operating portion 510, the first pivoting portion 520, and the first buckle portion 530 are integrally formed to simplify the assembly process of the expansion card fixing structure 250, but it is not limited thereto. In other embodiments, the first operating portion, the first pivotal portion, and the first buckle portion may also be mutually detachable assembly parts.

In this embodiment, the first fastener 500 is located on a side of the sliding groove 330 of the first sliding rail 300 away from the supporting plate 310 of the first sliding rail 300, but it is not limited to this. In other embodiments, the first fastener can also be located on the remaining side of the sliding groove of the first sliding rail.

In this embodiment, one end of the elastic element 600 is assembled to the first buckle element 500, and the other end of the elastic element 600 is assembled to the first sliding rail 300. The elastic member 600 is used to drive the buckle portion 530 of the first buckle member 500 to be located at the buckling position.

In this embodiment, the buckle portion 530 of the first buckle 500 may further include a guide inclined surface 531. The guide slope 531 faces away from the slot 202 of the circuit board 200.

For the convenience of description, the following only uses the first sliding rail 300, the first fastener 500 and the elastic member 600 to illustrate the process of disassembling and installing the expansion card 100 in the slot 202 of the circuit board 200.

Refer to Figure 5. 5 is a schematic cross-sectional view of the first fastener of FIG. 4 being pushed by the expansion card. As shown in FIG. 5, when the expansion card 100 slides into the sliding groove 330 of the first sliding rail 300 along the insertion direction D1, the expansion card 100 will push down the guide slope 531 of the buckle portion 530 of the first buckle 500 to make the first The buckle portion 530 of a buckle 500 is retracted in a direction away from the carrying plate 310 and is located at a release position. When the buckle portion 530 of the first buckle 500 is lifted in the direction A away from the carrier plate 310, the expansion card 100 can continue to slide into the sliding groove 330 of the first sliding rail 300 along the insertion direction D1.

Next, please refer to FIG. 6. FIG. 6 is a schematic cross-sectional view of the first fastener of FIG. 4 being fastened to the slot of the expansion card. As shown in FIG. 6, when the expansion card 100 is installed in the slot 202 of the circuit board 200, because the card slot 101 of the expansion card 100 is aligned with the position of the buckle 530 of the first buckle 500, the first card The buckle 500 is pulled by gravity so that the buckle 530 of the first buckle 500 moves from the release position to the buckle position (along direction B). That is, the buckle portion 530 of the first buckle 500 moves toward the direction of the carrier plate 310 and engages with the slot 101 of the expansion card 100.

In this embodiment, only the first sliding rail 300 is provided with the first fastener 500 and the elastic member 600, but it is not limited thereto. Please refer to FIG. 7. FIG. 7 is an exploded view of the circuit assembly according to the second embodiment of the present invention.

In this embodiment, the expansion card fixing structure 250a of the circuit assembly 10a includes a first slide rail 300, a second slide rail 400a, a first fastener 500, a second fastener 500a, and two elastic members 600 , 600a. Since the structure and connection relationship of the second sliding rail 400a, the second locking member 500a and the elastic member 600a are similar to those of the first sliding rail 300, the first locking member 500 and the elastic member 600, they will not be described again.

According to the expansion card installation structure disclosed in the above-mentioned embodiment, through the design that the buckle is pivoted on the first slide rail, the user can drive the buckle of the buckle to buckle by pressing the operating part of the buckle. The position is moved to the release position so that the expansion card can be easily slid into the slide slot and inserted into the slot. Or pulling up the operating part of the buckle can drive the buckle of the buckle to return from the release position to the buckle position.

In some embodiments, the elastic member is used to allow the buckle member to return from the released position to the buckle position in an unstressed state, so as to simplify the operation process of the user.

In some embodiments, the buckle has an inclined guide surface, so that when the expansion card is slid into the chute, the inclined guide surface of the buckle is pushed by the expansion card and automatically moves from the buckling position to the release position. In other words, the buckle member can move from the buckle position to the release position by itself without being driven by the operating member.

Although the present invention is disclosed in the foregoing embodiments, it is not intended to limit the present invention. Anyone familiar with similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of patent protection for inventions is subject to this specification. The attached patent application scope shall prevail.

300: The first slide

310: Carrier plate

320: cover

321: piercing

330: Chute

510: The first operation part

520: first pivot

530: first button

531: guide slope

600: Elastic

Claims (10)

An expansion card installation structure for electrically coupling an expansion card to a slot of a circuit board. The expansion card installation structure includes: a first slide rail and a second slide rail for fixing to the circuit The first slide rail and the second slide rail each include a bearing plate and a cover plate. The cover plates are respectively connected to the bearing plates and respectively surround two sliding grooves with the bearing plates. The sliding slot is used for sliding the expansion card to install the expansion card in the slot of the circuit board, the cover plate of the first sliding rail includes a through slot, and the through slot is located in the sliding slot away from the carrier board One side, and extends in the direction close to the carrying plate to communicate with the sliding groove; and a first buckle, including a first operating portion, a first pivot portion and a first buckle portion, the second An operating portion and the first buckle portion are respectively connected to opposite sides of the first pivoting portion, the first pivoting portion is pivotally connected to the cover, and the first operating portion is used to drive the first buckle to A buckle position and a release position are movable, and when the first buckle portion is located at the buckle position, the first buckle portion is located in the sliding groove of the first slide rail to be engaged with one of the expansion cards A card slot, when the first buckle part is located at the release position, the first buckle part is separated from the sliding groove of the first sliding rail to be used to escape from the card slot of the expansion card. According to the expansion card installation structure described in item 1 of the scope of patent application, the first operating portion, the first pivotal portion and the first buckle portion are integrally formed. For example, the expansion card installation structure described in claim 1 further includes an elastic member. One end of the elastic member is assembled to the first buckle member, and the other end of the elastic member is assembled to the first slide rail. The elastic member is used to drive the buckle portion of the first buckle member to be at the buckle position. Such as the expansion card installation structure described in item 1 of the scope of patent application, where the first The buckle portion of a buckle includes a guide bevel, and the guide bevel faces the slot of the circuit board. According to the expansion card installation structure described in claim 1, wherein the first fastener is located on a side of the sliding groove of the first sliding rail away from the supporting board of the first sliding rail. For example, the expansion card installation structure described in item 1 of the scope of patent application further includes a second buckle, and the second buckle includes a first operating portion, a first pivot portion and a first buckle, The first operating portion and the first buckle portion are respectively connected to opposite sides of the first pivoting portion, the first pivoting portion is pivotally connected to the cover plate, and the first operating portion is used to drive the first buckle The part is movable between a buckle position and a release position. When the first buckle part is located at the buckle position, the first buckle part is located in the sliding groove of the first slide rail for engaging with the expansion card A card slot, when the first buckle part is located at the release position, the first buckle part is separated from the sliding groove of the first sliding rail and used to escape from the card slot of the expansion card. A circuit assembly includes: a circuit board including a board body and a slot arranged on the board body; an expansion card inserted in the slot of the circuit board; a first slide rail and a second slide rail , To be fixed to the circuit board, each of the first slide rail and the second slide rail includes a bearing plate and a cover plate, the cover plates are respectively connected to the bearing plates and respectively surround the bearing plates Two sliding slots are provided for sliding the expansion card to install the expansion card in the slot of the circuit board. The cover of the first sliding rail includes a through slot, and the through slot is located in the slot. The sliding groove is away from one side of the supporting board and extends toward the direction close to the supporting board to communicate with the sliding groove; and a first locking member including a first operating portion, a first pivoting portion, and a The first buckle portion, the first operating portion and the first buckle portion are respectively connected to opposite two of the first pivoting portion Side, the first pivotal portion is pivotally connected to the cover, and the first operating portion is used to drive the first buckle portion to move between a buckle position and a release position, when the first buckle portion is located in the buckle Position, the first buckle portion is located in the sliding groove of the first slide rail for engaging with a slot of the expansion card, and when the first buckle portion is in the release position, the first buckle portion is disengaged The sliding slot of the first sliding rail is used to escape the card slot of the expansion card. The circuit assembly described in item 7 of the scope of patent application, wherein the board body of the circuit board has a top surface, a bottom surface, a slot, a first wall surface and a second wall surface, and the top surface and the bottom surface are mutually Opposite, the slot penetrates the top surface and the bottom surface, the first wall surface and the second wall surface are located in the slot and face each other, the first slide rail and the second slide rail are respectively fixed to the first wall surface And the second wall surface, the expansion card is accommodated in the slot. The circuit assembly described in item 7 of the scope of patent application, wherein the first operating portion, the first pivotal portion and the first buckle portion are integrally formed. For example, the circuit assembly described in item 7 of the scope of patent application further includes an elastic member. One end of the elastic member is assembled to the first buckle member, and the other end of the elastic member is assembled to the first slide rail. The elastic member The buckle used to drive the first buckle member is located at the buckle position.

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