CN107807723B - Mainboard assembly and fastening device thereof - Google Patents
Mainboard assembly and fastening device thereof Download PDFInfo
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- CN107807723B CN107807723B CN201711170745.2A CN201711170745A CN107807723B CN 107807723 B CN107807723 B CN 107807723B CN 201711170745 A CN201711170745 A CN 201711170745A CN 107807723 B CN107807723 B CN 107807723B
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- sliding block
- pressing
- resilient arm
- buckling
- arm section
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a mainboard assembly and a buckling device thereof. The buckling device comprises a fixed seat and a buckling piece. The fixing seat is provided with a sliding chute and an opening corresponding to the sliding chute. The fixing seat is provided with a plurality of first positioning structures. The first positioning structures are at different distances from the expansion port. The fastener comprises a slider part, a fastening part, a pressing part and an elastic part. The buckling part is connected with the sliding block part. The pressing part is provided with a second positioning structure and is connected to the sliding block part through an elastic part. The sliding block part is slidably positioned in the sliding groove. The sliding block part can relatively approach or be far away from the expansion port to drive the buckling part to slide among a plurality of buckling positions, and the pressing part can swing in the opening relative to the fixed seat through the elastic part, so that the second positioning structure can be separately buckled with one of the first positioning structures, and the buckling part is positioned at one of the buckling positions.
Description
Technical Field
The present invention relates to a motherboard assembly, and more particularly, to a motherboard assembly with a movable locking device.
Background
Generally, in a computer device, an expansion slot is provided on a motherboard, in addition to an electronic device such as a central processing unit and a power supply providing basic function operation, so that a user can expand the computer efficiency by inserting an expansion card when having an additional function requirement. For example, when the user has a wireless internet access requirement and the host computer has no wireless network card built therein, the user can selectively add the wireless network card to the host computer to execute 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 a manner parallel to the motherboard, and is fixed at the other end on the locking hole of the motherboard in a manner of screw locking. However, since m.2 expansion cards have various specifications and different lengths, and common specifications are 22110 cm and 2280 cm, a plurality of locking holes are usually formed on the motherboard to fix m.2 cards of various lengths. Therefore, the screw locking M.2 expansion card has low operation convenience, and the plurality of locking hole positions reserved on the mainboard can also compress the space of other circuit configurations, thereby improving the difficulty of circuit arrangement.
Disclosure of Invention
The invention provides a motherboard assembly and a fastening device thereof, which are used for solving the problems that the operation convenience is poor due to the fact that expansion cards are locked by screws, and circuit arrangement is difficult due to the fact that locking hole positions need to be arranged on the motherboard according to the specifications of different expansion cards.
The embodiment of the invention discloses a mainboard assembly which is suitable for an expansion card. The mainboard assembly comprises a circuit board, an expansion port and a fastening device. The expansion port is arranged on the circuit board. The fastening device comprises a fixed seat and a fastening piece. The fixing seat is fixed on the circuit board and is provided with a sliding groove and an opening corresponding to the sliding groove. The fixed seat is provided with a plurality of first positioning structures adjacent to the opening. The first positioning structures are at different distances from the expansion port. The fastener comprises a slider portion, a fastening portion, a pressing portion and an elastic portion. The buckling part is connected to one side of the sliding block part. The pressing part is provided with at least one second positioning structure and is connected to the other side of the sliding block part through an elastic part. The sliding block part is slidably arranged in the sliding groove, and the pressing part is movably arranged in the opening. The sliding block part can relatively approach or leave the expansion port to drive the buckling part to slide among a plurality of buckling positions, and the pressing part can swing relative to the fixed seat through the elastic part, so that the second positioning structure can be separately buckled on one of the first positioning structures, and the buckling part is positioned at one of the buckling positions.
Another embodiment of the present invention discloses a fastening device, which includes a fixing base and a fastening member. The fixing seat is provided with a sliding chute and an opening corresponding to the sliding chute. The fixed seat is provided with a plurality of first positioning structures adjacent to the opening. The clamping and buckling piece comprises a sliding block part, a clamping and buckling part, a pressing part and an elastic part. The clamping part is connected to one side of the sliding block part, and the pressing part is provided with at least one second positioning structure and is connected to the other side of the sliding block part through the elastic part. The sliding block part is slidably arranged in the sliding groove, and the pressing part is movably arranged in the opening. The sliding block part can slide relative to the fixed seat to drive the buckling part to slide among a plurality of buckling positions, and the pressing part can swing relative to the fixed seat through the elastic part, so that the second positioning structure can be detachably buckled on one of the first positioning structures, and the buckling part can be positioned at one of the buckling positions.
According to the motherboard assembly and the fastening device disclosed in the above embodiments, the sliding block portion can be relatively close to or far from the expansion port, and the pressing portion of the fastening device can swing relative to the fixing base through the elastic portion to enable the second positioning structure to be fastened to different first positioning structures, so that different fastening positions are provided. That is, the user can fix the expansion cards with various lengths by pressing and pushing the fastening device, thereby improving the convenience of fixing the expansion cards. In addition, due to the arrangement of the movable buckle device, the locking hole for locking and fixing the expansion card is not required to be reserved on the mainboard, so that the space which can be arranged on the mainboard can be further increased, and the difficulty of other circuit layouts is reduced.
The foregoing summary of the invention, as well as the following detailed description of the embodiments, is provided to illustrate and explain principles of the invention and to provide further explanation of the invention as claimed.
Drawings
Fig. 1 is a schematic plan view of a motherboard assembly according to a first embodiment of the invention.
Fig. 2 is an exploded schematic view of the buckle device of fig. 1.
FIG. 3 is a schematic plan view of the engaging member of FIG. 1.
Fig. 4 to 8 are operation schematic views of the buckle device of fig. 1.
Fig. 9 is a schematic plan view of a buckle device according to a second embodiment of the invention.
Wherein, the reference numbers:
1 mainboard Assembly
11 circuit board
12 expansion port
13 buckling device
131 fixed seat
1311 first side edge
1312 second side edge
1313 third side edge
1314 fourth side edge
1315 sliding groove
1316 opening
1317 first alignment Structure
132 fastener
1321 slide part
1322 fastening part
1323 resilient part
13231 first bend section
13232 first spring arm section
13233 second bend section
13234 second spring arm section
1324 pressing part
13241 second positioning structure
1325. 1325' limiting part
2 expansion card
21 lock attachment recess
Distance D1
D2 buckling direction
D3 tripping direction
Height H1
Detailed Description
The detailed features and advantages of the present invention are described in detail in the embodiments below, which are sufficient for anyone skilled in the art to understand the technical contents of the present invention and to implement the present invention, and the related objects and advantages of the present invention can be easily understood by anyone skilled in the art according to the disclosure of the present specification, the protection scope of the claims and the attached drawings. The following examples further illustrate aspects of the present invention in detail, but are not intended to limit the scope of the invention in any way.
Please refer to fig. 1 and fig. 3. Fig. 1 is a schematic plan view of a motherboard assembly according to a first embodiment of the invention. Fig. 2 is a perspective view of the buckle device of fig. 1. FIG. 3 is a schematic plan view of the engaging member of FIG. 1.
The embodiment discloses a motherboard assembly 1, which is suitable for an expansion card 2. The motherboard assembly 1 includes a circuit board 11, an expansion port 12 and a locking device 13.
In the present embodiment, the expansion card 2 is, for example, an m.2 adapter card having a semicircular locking recess 21. The expansion port 12 is, for example, a slot for an m.2 adapter card to be inserted into, and is disposed on the circuit board 11. The expansion card 2 is plugged into the expansion port 12.
The locking device 13 includes a fixing base 131 and a locking member 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 the second side 1312, and the first side 1311 is adjacent to the expansion port 12 opposite 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 slot 1315 is located on the third side 1313 of the anchor block 131 and the opening 1316 is located on the fourth side 1314 of the anchor block 131 adjacent the first locating feature 1317. Each first positioning structure 1317 is, for example, a groove, and the distances between the first positioning structures 1317 and the expansion ports 12 are different.
The locking member 132 includes a sliding block portion 1321, a locking portion 1322, an elastic portion 1323, a pressing portion 1324 and a limiting portion 1325.
The sliding block 1321 is slidably disposed in the sliding slot 1315, and can be relatively close to or far from the expansion port 12, and drives the locking portion 1322 to move between a plurality of locking positions.
The locking portion 1322 is connected to the slider portion 1321 on a side close to the expansion port 12. The engaging portion 1322 is, for example, a convex portion corresponding to the locking concave portion 21 of the m.2 adapter card, and the shape of the convex portion is, for example, a semicircle.
The elastic portion 1323 includes a first bending portion 13231, a first elastic arm portion 13232, a second bending portion 13233 and a second elastic arm portion 13234. The first bending portion 13231 is connected to the slider portion 1321 and located on a side different from the fastening portion 1322. The first elastic arm segment 13232 is connected to the first curved segment 13231 and extends toward the expansion port 12. The second curved section 13233 is connected to the first resilient arm section 13232. The second elastic arm segment 13234 is connected to the second curved segment 13233 and extends away from the expansion port 12.
In the present embodiment, the number of the bending sections 13231, 13233 and the elastic arm sections 13232, 13234 of the elastic portion 1323 is two, so as to enhance the elastic deformation capability of the elastic portion 1323 by the plurality of bending sections 13231, 13233 and the plurality of elastic arm sections 13232, 13234, but not limited thereto. In other embodiments, the number of the bending sections and the number of the elastic arm sections of the elastic part may be one.
The pressing portion 1324 is movably disposed in the opening 1316 and is connected to the first resilient segment 13232 by the second curved segment 13233 and the second resilient segment 13234. The pressing portion 1324 has two second positioning structures 13241. Each second alignment structure 13241 is, for example, a bump corresponding to the first alignment structure 1317. The pressing portion 1324 can swing relative to the fixing base 131 through the elastic portion 1323, so that the second positioning structure 13241 can be detachably engaged with the two first positioning structures 1317, so as 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 this is not limited thereto. In other embodiments, the first positioning structure may be a bump, and the second positioning structure may be a groove.
In the present embodiment, the number of the first positioning structures 1317 is six, and the number of the second positioning structures 13241 is two, but the present invention is not limited thereto. In other embodiments, the number of the first positioning structures can be other, and the number of the second positioning structures can be one or more than two.
The stopper 1325 is interposed between the pressing portion 1324 and the slider portion 1321, and is connected below the pressing portion 1324. The stopper portion 1325 maintains a distance D1 from the slider portion 1321. The distance D1 is greater than or equal to the height H1 of the second alignment structure 13241. In this way, the second positioning structure 13241 can be ensured to be disengaged from the first positioning structure 1317, and the pressing portion 1324 is prevented from being pressed down excessively to damage the engaging device 13.
The following describes the engagement structure 13 for fixing the expansion cards with different lengths. Please refer to fig. 4 to 8. Fig. 4 to 8 are schematic operation plan views of the buckle device of fig. 1. First, as shown in fig. 4, the expansion card 2 is a short card and is inserted into the expansion port 12, and the two second positioning structures 13241 of the locking element 132 are locked in the two first positioning structures 1317a farthest from the expansion port 12. 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 push the locking element 132 toward the expansion port 12 along the operation direction D2 until the locking portion 1322 abuts against the locking recess 21 of the expansion card 2, so as to release the pressing portion 1324. At this time, as shown in fig. 6, the pressing portion 1324 is driven by the elastic force of the elastic portion 1323 to be lifted upwards, and the second positioning structure 13241 is engaged with the corresponding first positioning structure 1317b again, so that the locking member 132 can be positioned at a locking position, and the short card can be fixed.
In addition, if the expansion card is to be replaced by a long card from the short card, as shown in fig. 7, the pressing portion 1324 of the locking member 132 is pressed first, and the locking member 132 is pushed along the unlocking direction D3, so as to drive the locking portion 1322 away from the expansion port 12 and unlock the locking portion 1322 from the locking recess 21 of the expansion card 2. Then, after the expansion card 2 is replaced, as described above, as shown in fig. 8, the pressing portion 1324 is pressed, and the latch 132 is pushed along the operation direction D2 until the latch 1322 abuts against the locking recess 21 of the expansion card 2. At this time, the second positioning structure 13241 can be engaged with the other two corresponding first positioning structures 1317c by releasing the pressing portion 1324.
In the foregoing embodiment, the limiting portion 1325 is connected below the pressing portion 1324, but the invention is not limited thereto. Please refer to fig. 9. Fig. 9 is a schematic plan view of a second embodiment according to the present invention. In the present embodiment, the limiting portion 1325 'is connected above the sliding block portion 1321, so that a space is kept between the limiting portion 1325' and the pressing portion 1324.
According to the motherboard assembly and the fastening device thereof in the above embodiment, the sliding block portion can be relatively close to or far from the expansion port, and the pressing portion of the fastening device can swing relative to the fixing base through the elastic portion to enable the second positioning structure to be fastened to different first positioning structures, so that different fastening positions are provided. That is, the user can fix the expansion cards with various lengths by pressing and pushing the fastening device, thereby improving the convenience of fixing the expansion cards. In addition, due to the arrangement of the movable buckle device, the locking hole for locking and fixing the expansion card is not required to be reserved on the mainboard, so that the space which can be arranged on the mainboard can be further increased, and the difficulty of other circuit layouts is reduced.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A motherboard assembly suitable for an expansion card, the motherboard assembly comprising:
a circuit board;
an expansion port arranged on the circuit board; and
a buckle device, comprising:
the fixed seat is fixed on the circuit board and provided with a sliding chute and an opening corresponding to the sliding chute, the fixed seat is provided with a plurality of first positioning structures adjacent to the opening, and the distances between the first positioning structures and the expansion port are different; and
the clamping part comprises a sliding block part, a clamping part, a pressing part, a limiting part and an elastic part, wherein the clamping part is connected to one side of the sliding block part, the pressing part is provided with at least one second positioning structure and is connected to the other side of the sliding block part through the elastic part, the sliding block part is slidably positioned in the sliding groove, the pressing part is movably positioned in the opening, the limiting part is arranged between the pressing part and the sliding block part and is connected to the pressing part, a distance is kept between the limiting part and the sliding block part, the distance is larger than or equal to the height of the second positioning structure, so that the second positioning structure can be separated from the clamping of the first positioning structures, and the pressing part is prevented from being excessively pressed down;
the sliding block part can relatively approach or leave the expansion port to drive the buckling part to slide among a plurality of buckling positions, and the pressing part can swing relative to the fixed seat through the elastic part to enable the second positioning structure to be detachably buckled with one of the first positioning structures so as to position the buckling part at one of the buckling positions.
2. The motherboard assembly as recited in claim 1, wherein the resilient portion comprises a first curved section and a first resilient arm section, the first curved section is connected to the slider portion, the first resilient arm section is connected to the first curved section and extends toward a direction close to the expansion port, and the pressing portion is connected to the first resilient arm section.
3. The motherboard assembly as recited in claim 2, wherein the resilient portion further comprises a second curved section and a second resilient arm section, the second curved section is connected to the first resilient arm section, the second resilient arm section is connected to the second curved section and extends away from the expansion port, and the pressing portion is connected to the first resilient arm section through the second curved section and the second resilient arm section.
4. The motherboard assembly as recited in claim 1, wherein the first positioning structures are all grooves, and the at least one second positioning structure is a bump matching with the grooves.
5. The motherboard assembly as recited in claim 1, wherein the first positioning structures are bumps, and the at least one second positioning structure is a groove matching with the bumps.
6. A motherboard assembly suitable for an expansion card, the motherboard assembly comprising:
a circuit board;
an expansion port arranged on the circuit board; and
a buckle device, comprising:
the fixed seat is fixed on the circuit board and provided with a sliding chute and an opening corresponding to the sliding chute, the fixed seat is provided with a plurality of first positioning structures adjacent to the opening, and the distances between the first positioning structures and the expansion port are different; and
the clamping part comprises a sliding block part, a clamping part, a pressing part, a limiting part and an elastic part, the clamping part is connected to one side of the sliding block part, the pressing part is provided with at least one second positioning structure and is connected to the other side of the sliding block part through the elastic part, the sliding block part is slidably positioned in the sliding groove, the pressing part is movably positioned in the opening, the limiting part is arranged between the pressing part and the sliding block part and is connected to the sliding block part, a distance is kept between the limiting part and the pressing part, the distance is larger than or equal to the height of the first positioning structure, so that the second positioning structure can be separated from the clamping of the first positioning structures, and the pressing part is prevented from being excessively pressed down;
the sliding block part can relatively approach or leave the expansion port to drive the buckling part to slide among a plurality of buckling positions, and the pressing part can swing relative to the fixed seat through the elastic part to enable the second positioning structure to be detachably buckled with one of the first positioning structures so as to position the buckling part at one of the buckling positions.
7. The motherboard assembly as recited in claim 6, wherein the resilient portion comprises a first curved section and a first resilient arm section, the first curved section is connected to the slider portion, the first resilient arm section is connected to the first curved section and extends toward a direction close to the expansion port, and the pressing portion is connected to the first resilient arm section.
8. The motherboard assembly as recited in claim 7, wherein the resilient portion further comprises a second curved section and a second resilient arm section, the second curved section is connected to the first resilient arm section, the second resilient arm section is connected to the second curved section and extends away from the expansion port, and the pressing portion is connected to the first resilient arm section through the second curved section and the second resilient arm section.
9. The motherboard assembly as recited in claim 6, wherein the first positioning structures are all grooves, and the at least one second positioning structure is a bump matching with the groove.
10. The motherboard assembly as recited in claim 6, wherein the first positioning structures are bumps, and the at least one second positioning structure is a groove matching with the bumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170745.2A CN107807723B (en) | 2017-11-22 | 2017-11-22 | Mainboard assembly and fastening device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170745.2A CN107807723B (en) | 2017-11-22 | 2017-11-22 | Mainboard assembly and fastening device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107807723A CN107807723A (en) | 2018-03-16 |
| CN107807723B true CN107807723B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711170745.2A Active CN107807723B (en) | 2017-11-22 | 2017-11-22 | Mainboard assembly and fastening device thereof |
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| Country | Link |
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| CN (1) | CN107807723B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112817385B (en) * | 2019-11-18 | 2023-03-24 | 英业达科技有限公司 | Expansion card mounting structure and circuit assembly |
| CN112817386B (en) * | 2019-11-18 | 2022-08-02 | 英业达科技有限公司 | Expansion card mounting structure and circuit assembly |
| CN112817383B (en) * | 2019-11-18 | 2022-09-09 | 英业达科技有限公司 | Expansion card mounting structure and circuit assembly |
| CN113764916B (en) * | 2020-06-05 | 2024-02-06 | 英业达科技有限公司 | Switching assembly and electronic device |
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| TW201620353A (en) * | 2014-07-30 | 2016-06-01 | 惠普研發公司 | Retention assembly |
| CN105703154A (en) * | 2014-11-24 | 2016-06-22 | 英业达科技有限公司 | Plug-in card fixing device and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9501110B2 (en) * | 2014-06-05 | 2016-11-22 | Liqid Inc. | Adjustable data storage drive module carrier assembly |
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| CN201252254Y (en) * | 2008-05-26 | 2009-06-03 | 英业达股份有限公司 | Clipping and fixing mechanism for an expansion card |
| TW201620353A (en) * | 2014-07-30 | 2016-06-01 | 惠普研發公司 | Retention assembly |
| CN104345841A (en) * | 2014-10-31 | 2015-02-11 | 英业达科技有限公司 | Electronic component and fixed structure assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107807723A (en) | 2018-03-16 |
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