TW201925955A - Motherboard assembly and engagement device thereof - Google Patents

Abstract

A motherboard assembly includes a circuit board, an expansion slot and an engagement device. The expansion slot is disposed on the circuit board. The engagement device includes a fixed seat and an engaging structure. The fixed seat is fixed on the circuit board, and has a chute and an opening corresponding to the chute. The fixed seat has a plurality of first positioning structures on a side close to the opening. The distances between the first positioning structures and the expansion slot are different. The engaging structure includes a sliding member, an engaged member, a pressed member and a flexible member. The engaged member is connected to another side of the sliding member. The sliding member is slidably disposed in the chute, and the pressed member is movable at the opening. The sliding member is slidable toward or away from the expansion slot to drive the engaged member to move between multiple engaged positions. The pressed member is movable with respect to the fixed seat by the flexible member so that the second positioning structure is removable from one of the first positioning structures, and thus the engaged member could be engaged to one of the engaging positions.

Description

Motherboard assembly and its buckle device

The present invention relates to a motherboard assembly, and more particularly to a motherboard assembly having a movable snap device.

In general, in the computer equipment, in addition to electronic devices such as a central processing unit and a power supply that provide basic functions, the expansion slot is also provided for the user to insert through the insertion of additional functional requirements. Set an expansion card to augment the power of the computer. For example, when the user has the requirement of wireless Internet access and the wireless network card is not built in the computer host, the user can selectively add a wireless network card to the computer host to perform the wireless Internet access function.

Taking the M.2 expansion card as an example, the M.2 expansion card is usually inserted into the expansion slot in the manner of a parallel motherboard, and is fixed to the locking hole of the motherboard at the other end by screwing. . However, due to the numerous specifications and lengths of the M.2 expansion card, common specifications such as 22110 cm, 2280 cm, etc., therefore, a plurality of locking holes are usually provided on the circuit board to fix M.2 cards of various lengths. . In this way, the M.2 expansion card is locked by screws, which not only has low operation convenience, but also a plurality of locking holes reserved on the circuit board, so that the space of other circuit configurations is compressed, thereby improving the difficulty of circuit arrangement.

The invention provides a motherboard assembly and a buckle device thereof, so as to solve the problem that the expansion card has to be screwed and locked, resulting in poor operation convenience, and the circuit board needs to be opened according to the specifications of different expansion cards, thereby causing the circuit. Problems such as difficulty in layout.

A motherboard assembly disclosed in one embodiment of the present invention is applicable to an expansion card. The motherboard assembly includes a circuit board, an expansion port and a snap device. The expansion port is set on the board. The buckle device comprises a fixing seat and a fastening component. The fixing base is fixed to the circuit board and has a sliding slot and an opening corresponding to the sliding slot. The fixing seat has a plurality of first positioning structures adjacent to the opening. These first positioning structures differ from the distances of the expansion ports. The fastening component comprises a slider portion, a buckle portion, a pressing portion and an elastic portion. The buckle portion is coupled to one side of the slider portion. The pressing portion has at least one second positioning structure and is coupled to the other side of the slider portion through the elastic portion. The slider portion is slidably located in the chute, and the pressing portion is movably located at the opening. Wherein, the slider portion can be relatively close to or away from the expansion port to drive the buckle portion to slide between the plurality of snap positions, and the pressing portion can swing through the elastic portion relative to the fixed seat, so that the second positioning structure can be detachably engaged with the second positioning structure. One of the first positioning structures to position the buckle portion at one of the buckle positions.

A buckle device according to another embodiment of the present invention includes a fixing base and a fastening component. The fixing seat has a sliding slot and an opening corresponding to the sliding slot. The fixing seat has a plurality of first positioning structures adjacent to the opening. A fastening component comprises a slider portion, a buckle portion, a pressing portion and an elastic portion. The buckle portion is connected to one side of the slider portion, and the pressing portion has at least one second positioning structure and is connected to the other side of the slider portion through the elastic portion. The slider portion is slidably located in the chute, and the pressing portion is movably located at the opening. The slider portion is slidable relative to the fixed seat to drive the buckle portion to slide between the plurality of snap positions, and the pressing portion is slidable relative to the fixed seat through the elastic portion, so that the second positioning structure can be detachably engaged with the first portion. One of the positioning structures to position the buckle portion at one of the buckle positions.

According to the motherboard assembly and the buckle device disclosed in the above embodiments, the slider portion can be relatively close to or away from the expansion port, and the pressing portion of the buckle device can be swung relative to the fixed seat through the elastic portion to engage the second positioning structure. There are different snap positions for different first positioning structures. In other words, the user can fix the expansion cards of various length specifications by pressing and pushing the buckle device, thereby improving the convenience of the expansion card. In addition, since the movable snap-on device is disposed, the lock hole of the fixed expansion card is not required to be reserved on the circuit board, so that the configurable space on the circuit board can be further increased, and the difficulty of other circuit layout is reduced. .

The above description of the present invention and the following description of the embodiments are intended to illustrate and explain the principles of the invention, and to provide a further explanation of the scope of the invention.

Please refer to Figure 1 and Figure 3. 1 is a schematic plan view of a motherboard assembly in accordance with a first embodiment of the present invention. 2 is a perspective view of the buckle device of FIG. 1. 3 is a schematic plan view of the engaging member of FIG. 1.

This embodiment discloses a motherboard assembly 1 suitable for an expansion card 2. The motherboard assembly 1 includes a circuit board 11, an expansion port 12, and a latching device 13.

In the present embodiment, the expansion card 2 is, for example, an M.2 interface card having a semi-circular locking recess 21. The expansion port 12 is, for example, a slot for the M.2 interface card to be inserted, and is disposed on the circuit board 11. The expansion card 2 is plugged into the expansion port 12.

The fastening device 13 includes a fixing base 131 and a fastening component 132. The fixing base 131 is fixed to the circuit board 11 and has a first side 1311, a second side 1312, a third side 1313 and a fourth side 1314. The first side 1311 is opposite to the second side 1312, and the first side 1311 is adjacent to the expansion 埠 12 with respect to the second side 1312. The third side 1313 and the fourth side 1314 are connected between the first side 1311 and the second side 1312, and the third side 1313 is opposite to the fourth side 1314. The fixing base 131 further has a sliding slot 1315, an opening 1316 corresponding to the sliding slot 1315, and a plurality of first positioning structures 1317. The sliding slot 1315 is located at the third side 1313 of the fixing seat 131 , and the opening 1316 is located adjacent to the first positioning structure 1317 at the fourth side 1314 of the fixing seat 131 . Each of the first positioning structures 1317 is, for example, a groove, and the distance between each of the first positioning structures 1317 and the expansion cassette 12 is different.

The latching member 132 includes a slider portion 1321 , a latching portion 1322 , an elastic portion 1323 , a pressing portion 1324 , and a limiting portion 1325 .

The slider portion 1321 is slidably located in the sliding slot 1315, and can be relatively close to or away from the expansion cassette 12, and drives the locking portion 1322 to move between the plurality of fastening positions.

The latching portion 1322 is coupled to a side of the slider portion 1321 that is adjacent to the expansion port 12 . The latching portion 1322 is, for example, a convex portion corresponding to the locking recess 21 of the M.2 interface card, and the outer shape of the convex portion is, for example, a semicircular shape.

The elastic portion 1323 includes a first curved section 13231, a first elastic arm section 13232, a second curved section 13233, and a second elastic arm section 13234. The first curved section 13231 is coupled to the slider portion 1321 and located on a side different from the buckle portion 1322. The first elastic arm segment 13232 is coupled to the first curved segment 13231 and extends toward the direction of the expansion raft 12. The second curved section 13233 is coupled to the first elastic arm section 13232. The second elastic arm segment 13234 is coupled to the second curved portion 13233 and extends away from the expansion raft 12.

In the present embodiment, the number of the curved portions 13231, 13233 and the elastic arm segments 13232, 13234 of the elastic portion 1323 are each two to increase the elasticity by the plurality of curved segments 13231, 13233 and the plurality of elastic arm segments 13232, 13234. The ability of the portion 1323 to elastically deform, but is not limited thereto. In other embodiments, the number of curved segments and spring arms of the elastic portion may each be one.

The pressing portion 1324 is movably located at the opening 1316 and is coupled to the first elastic arm segment 13232 through the second curved portion 13233 and the second elastic arm segment 13234. The pressing portion 1324 has two second positioning structures 13241. Each of the second positioning structures 13241 is, for example, a bump corresponding to the first positioning structure 1317. The pressing portion 1324 can be swung relative to the fixing seat 131 through the elastic portion 1323, so that the second positioning structure 13241 can be detachably engaged with the two first positioning structures 1317 to position the locking portion 132 at one of the locking positions.

In this embodiment, the first positioning structure 1317 is a groove, and the second positioning structure 13241 is a bump, but is not limited thereto. In other embodiments, the first positioning structure may also be a bump, and the second positioning structure may be a groove.

In addition, in the embodiment, the number of the first positioning structures 1317 is six, and the number of the second positioning structures 13241 is two, but not limited thereto. In other embodiments, the first positioning structure may also be other numbers, and the second positioning structure may also be one or more than two.

The stopper portion 1325 is interposed between the pressing portion 1324 and the slider portion 1321 and is connected to the lower side of the pressing portion 1324. The limiting portion 1325 is kept at a distance D1 from the slider portion 1321. The pitch D1 is greater than or equal to the height H1 of the second positioning structure 13241. In this way, it can be ensured that the second positioning structure 13241 can be disengaged from the first positioning structure 1317, and the clamping device 13 can be prevented from being damaged due to excessive pressing of the pressing portion 1324.

The following describes the expansion structure for fixing the expansion cards of different lengths. Please refer to Figures 4 to 8. 4 to 8 are schematic plan views showing the operation of the snap device of Fig. 1. First, as shown in FIG. 4, the expansion card 2 is a short card and is inserted into the expansion cassette 12, and the second positioning structures 13241 of the fastening member 132 are engaged with the two first positioning structures 1317a farthest from the expansion cassette 12. in. Next, as shown in FIG. 5, the user can press the pressing portion 1324 to disengage the second positioning structure 13241 from the first positioning structure 1317a, and move the locking member 132 toward the expansion port 12 in the operation direction D2 until the buckle portion 1322 The pressing portion 1324 can be released by abutting against the locking recess 21 of the expansion card 2. At this time, as shown in FIG. 6, the pressing portion 1324 is lifted upward by the elastic force recovery of the elastic portion 1323, and the second positioning structure 13241 is again engaged with the corresponding first positioning structure 1317b, so that the locking member can be made. 132 is positioned at a snap position to which the short card can be secured.

In addition, if the expansion card is to be replaced by the short card as a long card, as shown in FIG. 7, the pressing portion 1324 of the locking member 132 is first pressed, and the locking member 132 is pushed in the unscrewing direction D3 to drive the card. The buckle portion 1322 is away from the expansion cassette 12 and the buckle portion 1322 is unfastened from the locking recess 21 of the expansion card 2. Then, after replacing the expansion card 2, as described above, as shown in FIG. 8, the pressing portion 1324 is pressed, and the locking member 132 is pushed in the operating direction D2 until the locking portion 1322 abuts against the expansion card 2. The recess 21 is locked. At this time, the pressing portion 1324 is released, so that the second positioning structure 13241 can be engaged with the other two corresponding first positioning structures 1317c.

In the foregoing embodiment, the limiting portion 1325 is connected to the lower portion of the pressing portion 1324, but is not limited thereto. Please refer to Figure 9. Figure 9 is a plan view showing a second embodiment of the present invention. In the present embodiment, the limiting portion 1325' is connected above the slider portion 1321, and a distance is maintained between the limiting portion 1325' and the pressing portion 1324.

According to the motherboard assembly and the buckle device of the above embodiment, since the slider portion can be relatively close to or away from the expansion port, and the pressing portion of the buckle device can be swung relative to the fixed seat through the elastic portion, the second positioning structure is engaged with Different first positioning structures have different snap positions. In other words, the user can fix the expansion cards of various length specifications by pressing and pushing the buckle device, thereby improving the convenience of the expansion card. In addition, since the movable snap-on device is disposed, the lock hole of the fixed expansion card is not required to be reserved on the circuit board, so that the configurable space on the circuit board can be further increased, and the difficulty of other circuit layout is reduced. .

While the present invention has been described above in terms of the foregoing embodiments, it is not intended to limit the invention, and it is to be understood that those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The patent protection scope of the invention is subject to the definition of the scope of the patent application attached to the specification.

1‧‧‧ motherboard components

11‧‧‧ boards

12‧‧‧Expansion埠

13‧‧‧Snap device

131‧‧‧ fixed seat

1311‧‧‧First side

1312‧‧‧Second side

1313‧‧‧ third side

1314‧‧‧ fourth side

1315‧‧‧ chute

1316‧‧‧ openings

1317‧‧‧First positioning structure

132‧‧‧Card fasteners

1321‧‧‧ slider section

1322‧‧‧ buckle department

1323‧‧‧Flexible Department

13231‧‧‧First curved section

13232‧‧‧First arm section

13233‧‧‧second curved section

13234‧‧‧Second arm section

1324‧‧‧ Pressing Department

13241‧‧‧Second positioning structure

1325, 1325' ‧ ‧ Limitation Department

2‧‧‧Expansion card

21‧‧‧Lock with recess

D1‧‧‧ spacing

D2‧‧‧ fastening direction

D3‧‧‧Unlocking direction

H1‧‧‧ Height

1 is a schematic plan view of a motherboard assembly in accordance with a first embodiment of the present invention. 2 is an exploded perspective view of the snap device of FIG. 1. 3 is a schematic plan view of the engaging member of FIG. 1. 4 to 8 are schematic views showing the operation of the snap device of Fig. 1. Figure 9 is a plan view showing a buckle device according to a second embodiment of the present invention.

Claims (10)

A motherboard assembly, which is suitable for an expansion card, comprising: a circuit board; an expansion port disposed on the circuit board; and a buckle device comprising: a fixing base fixed to the circuit board and having a chute And an opening corresponding to the sliding slot, the fixing base has a plurality of first positioning structures adjacent to the opening, the distance between the first positioning structures and the expansion cassette is different; and a fastening component comprising a slider a latching portion, a pressing portion and an elastic portion, the latching portion being connected to one side of the slider portion, the pressing portion having at least one second positioning structure, and being connected to the slider through the elastic portion On the other side of the portion, the slider portion is slidably located in the sliding slot, and the pressing portion is movably located in the opening; wherein the slider portion can drive the latching portion relatively close to or away from the expansion port Sliding between the plurality of snap positions, and the pressing portion is slidable relative to the fixed seat through the elastic portion, so that the second positioning structure is detachably engaged with one of the first positioning structures to the buckle portion Positioned in one of these snap positions. The motherboard assembly of claim 1, wherein the elastic portion includes a first curved portion and a first elastic arm segment, the first curved portion is coupled to the slider portion, the first elastic arm segment Attached to the first curved section and extending toward the expansion collar, the pressing portion is coupled to the first elastic arm segment. The motherboard assembly of claim 2, wherein the elastic portion further comprises a second curved portion and a second elastic arm segment, the second curved portion is coupled to the first elastic arm segment, the second The elastic arm segment is coupled to the second curved portion and extends away from the expansion raft. The pressing portion is coupled to the first elastic arm segment through the second curved portion and the second elastic arm segment. The motherboard assembly of claim 1, wherein the first positioning structures are all grooves, and the at least one second positioning structure is a bump matching the groove. The motherboard assembly of claim 4, wherein the fastening component further comprises a limiting portion, the limiting portion is interposed between the pressing portion and the sliding portion, and is connected to the pressing portion. The limiting portion maintains a spacing from the slider portion, the spacing being greater than or equal to the height of the second positioning structure. The motherboard assembly of claim 4, wherein the fastening component further comprises a limiting portion, the limiting portion is interposed between the pressing portion and the slider portion, and is coupled to the slider portion The limiting portion maintains a spacing from the pressing portion, the spacing being greater than or equal to the height of the second positioning structure. The motherboard assembly of claim 1, wherein the first positioning structures are all bumps, and the second one of the second positioning structures is a groove matching the bumps. The motherboard assembly of claim 7, wherein the fastening component further comprises a limiting portion, the limiting portion is interposed between the pressing portion and the sliding portion, and is connected to the pressing portion. The limiting portion maintains a spacing from the slider portion, the spacing being greater than or equal to the height of the first positioning structure. The motherboard assembly of claim 7, wherein the fastening component further comprises a limiting portion, the limiting portion is interposed between the pressing portion and the slider portion, and is coupled to the slider portion The limiting portion maintains a spacing from the pressing portion, the spacing being greater than or equal to the height of the first positioning structure. A fastening device comprises: a fixing seat having a sliding slot and an opening corresponding to the sliding slot, the fixing seat having a plurality of first positioning structures adjacent to the opening; and a fastening component comprising a slider a latching portion, a pressing portion and an elastic portion, the latching portion being connected to one side of the slider portion, the pressing portion having at least one second positioning structure, and being connected to the slider through the elastic portion On the other side of the portion, the slider portion is slidably located in the sliding slot, and the pressing portion is movably located in the opening; wherein the slider portion is slidable relative to the fixing seat to drive the buckle portion to the plurality of portions Sliding between the buckle positions, and the pressing portion is slidable relative to the fixing seat through the elastic portion, so that the second positioning structure is detachably engaged with one of the first positioning structures to position the buckle portion One of the buckle positions.