TWI762242B - Electronic device and board card supporting unit thereof - Google Patents

Abstract

An electronic device and a board card supporting unit used therein are provided. The electronic device includes a housing, a first board card fixed to the housing and located inside the housing, a second board card assembled on the first board card, and the board card supporting unit assembled at a side edge of the first board card for supporting the second board card. The board supporting unit includes a first support, a second support, at least a first fastener, and a second fastener. The first support has a first part, a second part and a third part. The first part is disposed on a surface of the first board card, the third part is arranged in parallel to the first part, and the second part is connected between the first part and the third part. The first part and the third part are located in different heights in a normal direction of the first board card. The second support is slidably assembled to the third part. The first fastener screws the first part to the first board card. The second fastener screws the second support to the third part to fix the relative position of the second support to the third part, so as to make the second support abuts against the second board card.

Description

Electronic device and board support unit thereof

The present invention relates to a device and a unit, and more particularly, to an electronic device and a board card supporting unit thereof.

With the popularity of computer competitive games, the specification requirements of electronic devices such as e-sports computers are also different. Users have more and more requirements for the specifications of gaming computers, and as a result, the size of the motherboard and graphics card has also increased, and more electronic components are installed on the motherboard and graphics card than ever before. The overall weight of the graphics card attached to the motherboard is getting heavier.

FIG. 1 is a schematic diagram of a conventional display card support frame, and FIG. 2 is a schematic diagram of a display card support frame using the display card support frame of FIG. 1 . Please refer to FIG. 1 and FIG. 2 at the same time, a conventional display card support frame 1 uses a bottom triangular structure as an integral support, and combines a middle round bar and a triangular buckle to support the display card 2 . The display card support frame 1 can effectively support the display card 2, and avoid the excessive weight of the display card 2, which will cause the tail end (the right side of the drawing) without a support point to sag, causing the display card 2 to bend and even damage the PCIE slot. question.

FIG. 3 is a schematic diagram of another support frame. The other support frame 3 has a simple structure, and supports the graphics card in a manner similar to a jack.

Although the above two support brackets can effectively support the graphics card, the support brackets are only supported at three points or even a single point at the bottom, so there is still a problem of support stability. In addition, problems such as loosening and displacement are prone to occur when the system is transported. Once the support frame and the graphics card are loose, not only will the function of supporting the graphics card be lost, but also there is a chance that it will hit and damage the system components when it falls off.

FIG. 4 is a schematic diagram of another conventional support frame. The L-shaped support frame 4 as shown in FIG. 4 is used to lock the PCIE screw hole 5 on the left side, and the display card is supported by the bracket extending on the right side and the buckle together.

However, the support frame 4 shown in Figure 4 is likely to be concentrated at the left screw after the display card is pressed down, and the extended metal bracket is too long, and the support strength is obviously insufficient, so it cannot effectively solve the sagging of the rear end of the display card. question.

The present invention provides a board card support unit for improving the sagging problem of the rear end of the display card.

The present invention provides an electronic device that uses the aforementioned board support unit to improve the problem of sagging of the rear end of the display card.

A board supporting unit of the present invention is used to be assembled to a first board and support a second board that is also assembled to the first board. The board support unit includes a first support piece, a second support piece, at least a first locking member and a second locking member. The first support has a first part, a second part and a third part. The first part is arranged on a plane of the first board, the third part is arranged parallel to the first part, and the second part connects the first part and the third part, and the first part and the third part are located at different positions in the normal direction of the first board Location. The second support is slidably assembled to the third part. The first locking member locks the first part on the first board. The second locking member locks the second supporting member to the third portion to fix the position of the second supporting member relative to the third portion, so that the second supporting member abuts against the second board.

An electronic device of the present invention includes a casing, a first board fixed on the casing and located inside the casing, a second board assembled with the first board, and a second board assembled with the first board. The side edge is also used to support the above-mentioned board card supporting unit which is pressed against the second board card.

In an embodiment of the present invention, the above-mentioned first supporting member has a pair of first parts and a corresponding pair of first locking members, and each first part has a first body part and a connecting part, and the connecting part at least partially The first board is overlapped and arranged on the first board, and the corresponding first locking member passes through the corresponding connecting portion to be locked into the first board, and the first body portion is connected between the connecting portion and the second portion.

In an embodiment of the present invention, the side of the above-mentioned first body portion abutting against the first board has undergone hemming processing.

In an embodiment of the present invention, the above-mentioned third part has a sliding area, and the second support member can slide in the sliding area.

In an embodiment of the present invention, the above-mentioned third part further has a plurality of fixing holes in the sliding area, and the second locking member is correspondingly locked into one of the fixing holes.

In an embodiment of the present invention, the above-mentioned board card support unit further includes an anti-slip pad, which is disposed in the sliding area or disposed on a bottom surface of the second support member facing the third portion.

In an embodiment of the present invention, the above-mentioned third part further has a limiting groove, which is located on one side of the sliding area, and one side of the second supporting member is provided with a guiding rib, and the guiding rib Correspondingly embedded in the limit groove.

In an embodiment of the present invention, the length of the above-mentioned limiting groove is smaller than the length of the sliding area.

In an embodiment of the present invention, the above-mentioned second support member has a second body portion and a bending portion, the bending portion extends from the second body portion and is bent, and the bending portion abuts against the second board .

In an embodiment of the present invention, the angle at which the above-mentioned bending portion is bent relative to the second body portion ranges from 65 degrees to 85 degrees.

In an embodiment of the present invention, the above-mentioned second body portion has a locking groove corresponding to which the second locking member is locked.

In an embodiment of the present invention, the peripheral edge of the locking groove protrudes from a top surface of the second body portion, and the peripheral edge of the locking groove is treated with embossing.

In an embodiment of the present invention, the above-mentioned first board is a motherboard, and the second board is a display card.

Based on the above, when the board supporting unit of the present invention is applied in an electronic device, it can provide supporting force to the second board to counteract the sagging force of the second board.

In addition, the overall size of the board support unit is relatively flat, and is assembled to the first board by means of a screw lock, so the problem of loosening from the first board during transportation can be avoided.

FIG. 5A is an assembly schematic diagram of an electronic device according to the present invention, FIG. 5B is a top view of FIG. 5A , and FIG. 5C is an exploded schematic diagram of FIG. 5A . Please refer to FIG. 5A , FIG. 5B and FIG. 5C at the same time, the electronic device 10 of this embodiment includes a casing 11 , a first board 12 , a second board 13 and a board supporting unit 14 .

The first board 12 is fixed to the housing 11 from the inside of the housing 11 , and the second board 13 is assembled to the first board 12 . The board support unit 14 is assembled on the side of the first board 12 and contacts the second board 13 to support the second board 13 .

Specifically, the electronic device 10 of this embodiment can be a host of a computer, and the casing 11 is one of the side walls constituting the host, wherein the first board 12 is a motherboard, and one side of the motherboard is fixed to the casing 11 . The motherboard is well and stably assembled in the mainframe of the computer by the support provided by the casing 11 .

The second board 13 is a display card plugged into the motherboard. As mentioned in the prior art, in response to the requirements of computing and image processing, the size of the display card is getting larger and larger, and besides the board body, the display card is also provided with a heat source. Therefore, in order to effectively dissipate heat, set the A number of cooling modules including fans and heat pipes are installed. Therefore, the overall size of the graphics card is large and the weight is heavy.

Therefore, when the second board 13, which is the display card, is inserted into the first board 12, which is the main board, the side of the second board 13 that is relatively close to the casing 11 can be connected to the casing 11. The side of the two boards 13 relatively close to the casing 11 can receive the support force provided by the casing 11 .

On the contrary, if the other side of the second board 13 relatively far away from the casing 11 is not supported, the situation of the display board being bent is likely to occur. The idea of the present invention is to overcome the problem that the display card is prone to bending.

6A is a schematic diagram of the first board and the board support unit, and FIG. 6B is an exploded schematic view of the board support unit of FIG. 6A . Please refer to FIG. 5A , FIG. 6A and FIG. 6B at the same time.

The board support unit 14 is assembled on one side of the first board 12 to support the second board 13 to prevent the second board 13 from bending.

The board supporting unit 14 in this embodiment includes a first supporting member 141 , a second supporting member 142 , at least one first locking member 143 and a second locking member 144 .

The first support member 141 has a first portion 1411 , a second portion 1412 and a third portion 1413 . The first part 1411 is disposed on the plane 12 a of the first board 12 , the third part 1413 is disposed parallel to the first part 1411 , and the second part 1412 connects the first part 1411 and the third part 1413 . The second portion 1412 is substantially perpendicular to the first portion 1411 and the third portion 1413 . The first part 1411 and the third part 1413 are located at different positions in the normal direction N of the first board 12 , that is, the first part 1411 and the third part 1413 have a difference of high and low order.

The second support member 142 is slidably assembled to the third portion 1413 . In short, the second support member 142 can slide relative to the third portion 1413 .

The first locking member 143 locks the first portion 1411 to the first board 12 . The second locking member 144 locks the second supporting member 142 to the third portion 1413 , so as to fix the position of the second supporting member 142 relative to the third portion 1413 , so that the second supporting member 142 can abut against the second board 13 .

In this embodiment, the first support member 141 has a pair of first portions 1411 , and the number of the first locking members 143 is set as a pair corresponding to the number of the first portions 1411 . Each of the first portions 1411 has a first body portion 14111 and a connecting portion 14112 . Since the first portions 1411 are provided as a pair, the first body portion 14111 and the connection portion 14112 are also a pair. The connecting portion 14112 is disposed on the first board 12 to at least partially overlap, that is, the connecting portion 14112 and the first board 12 overlap with each other in the orthographic projection range. The corresponding first locking member 143 passes through the connecting portion 14112 to be locked into the first board 12 . The first body portion 14111 is connected between the connecting portion 14112 and the second portion 1412 .

The side of the first body portion 14111 abutting against the first board 12 is processed by crimping. The crimped side of the first body portion 14111 can be more stably abutted against the first board 12 to increase the strength and stability of the assembly.

The above-mentioned third portion 1413 has a sliding area 14131 , and the second support member 142 can slide in the sliding area 14131 . The sliding area 14131 may be an area defined from the top surface of the third portion 1413 and is flush with the top surface. In another embodiment, the sliding area 14131 can also be a groove recessed on the top surface of the third portion 1413 , so that the sliding range of the second support member 142 can be more clearly defined.

The third portion 1413 also has a plurality of fixing holes 14132 located in the sliding area 14131, and the second locking member 144 passes through the second supporting member 142 and is correspondingly locked into one of the fixing holes 14132, so as to fix the second supporting member 142 on the Position in sliding area 14131.

The board support unit 14 further includes an anti-slip pad 145 , and the anti-slip pad 145 is disposed in the sliding area 14131 . In another embodiment, the anti-slip pad 145 may also be disposed on a bottom surface 1421 of the second support member 142 facing the third portion 1413 . The anti-slip pad 145 can be made of rubber. The arrangement of the anti-slip pad 145 can provide smoothness and a sense of stepless movement when the second support member 142 slides relative to the third portion 1413 . In addition, when the second support 142 is correspondingly locked on the third part 1413 , the anti-slip pad 145 can also provide friction for the second support 142 relative to the sliding area 14131 of the third part 1413 , preventing the second support 142 slide.

FIG. 7 is a partial schematic view of FIG. 5A . Please refer to FIG. 5A and FIG. 7 at the same time, the third part 1413 also has a limiting groove 14133 , wherein the limiting groove 14133 is located on one side of the sliding area 14131 , that is, the long side of the sliding area 14131 . A guide rib 14211 can be disposed on one side of the second support member 142 , and the guide rib 14211 can be embedded in the limiting groove 14133 correspondingly. The guide ribs 14211 and the limiting grooves 14133 cooperate and guide each other, so that the second support 142 can slide more smoothly in the sliding area 14131, and the length of the limiting grooves 14133 can limit the The sliding range of the two support members 142 .

The length of the above-mentioned limiting groove 14133 may be smaller than the length of the sliding area 14131 , because the guiding rib 14211 may only occupy a part of the length of the second supporting member 142 . Of course, in the case where the guide ribs 14211 occupy the entire length of the second support member 142, the length of the limiting groove 14133 needs to be designed accordingly.

Please continue to refer to FIG. 6A , FIG. 6B and FIG. 7 , the above-mentioned second support member 142 has a second body portion 1422 and a bending portion 1423 . The bent portion 1423 is extended and bent from the second body portion 1422 , and the bent portion 1423 is used for pressing against the second board 13 . The bent portion 1423 and the guide ribs 14211 are located on different sides of the second body portion 1422 .

Correspondingly, a plurality of electronic components, such as fans, are disposed on the second board 13, so that the bending portion 1423 can be bent relative to the second body portion 1422, and the bending angle ranges from 65 degrees to 85 degrees. In other words, the bending portion 1423 is inclined to the second body portion 1422 . Setting the bent portion 1423 obliquely relative to the second body portion 1422 instead of being perpendicular to the second body portion 1422 can be adapted to the second board 13 or the electronic components disposed on the second board 13, thereby increasing the contact surface area, Enhance the surface friction when bearing.

It should be noted that when the sliding area 14131 is a groove recessed on the top surface of the third portion 1413 , the bent portion 1423 needs to be long enough to protrude out of the groove, so as to reach the second board 13 the goal of.

In addition, a spacer 146 may be provided on the surface of the bent portion 1423 facing the second board 13 . Spacers 146 are used to increase friction.

The second body portion 1422 also has a locking groove 14221 into which the second locking member 144 is correspondingly locked. The perimeter of the lock groove 14221 is treated with embossing. Correspondingly, bumps may be provided on the bottom surface of the nut of the second locking member 144 corresponding to the locking groove 14221 of the second locking member 144 . The protruding point can engage with the snapping pattern on the peripheral edge, thereby increasing the locking strength of the second locking member 144 and the locking groove 14221 .

When the electronic device 10 is assembled, the first board 12 is fixed on the inner side of the casing 11 , the second board 13 is inserted into the first board 12 , and one side of the second board 13 can be connected to the casing The bodies 11 are in contact and abut, so that the housing 11 provides a supporting force to the second board 13 . The board support unit 14 is assembled to the side of the first board 12 , and the board support unit 14 abuts against and provides a supporting force to the other side of the second board 13 to prevent the second board 13 from being bent.

The board supporting unit 14 may be assembled to the first board 12 before the second board 13 is inserted into the first board 12 .

Specifically, the connecting portion 14112 of the first portion 1411 of the first supporting member 141 of the board supporting unit 14 can be bridged to the first board 12 first, and then the first locking member 143 can be locked through the connecting portion 14112 In the first board 12 , the first support member 141 is fixed on the first board 12 .

Next, the second support member 142 is pre-assembled on the first support member 141 .

Specifically, the second locking member 144 is pre-locked in one of the fixing holes 14132 in the sliding area 14131 through the locking groove 14221 of the second supporting member 142 in advance. At this time, the second locking member 144 may not be locked.

After the second board 13 is inserted into the first board 12 , the position of the second support 142 in the sliding area 14131 of the third part 1413 of the first support 141 can be adjusted according to the position of the second board 13 , so that the bent portion 1423 of the second support member 142 abuts against the second board 13 .

Incidentally, when the position difference between the second support member 142 and the second board 13 is not large, since the locking slot 14221 of the second body portion 1422 is a long slot, it is possible to adjust the second locking member 144 without adjusting the position. Slide the second support member 142 to approach and abut against the second board 13 under the condition of locking the fixing hole 14132 .

When the position difference between the second support member 142 and the second board 13 is large, it may be necessary to change the position of the second support member 142 to abut against the second support member 142 while adjusting the fixing hole 14132 into which the second lock member 144 is locked. Two boards 13.

When confirming that the bent portion 1423 of the second supporting member 142 abuts against the second board 13, the second locking member 144 can be slightly locked, but the second supporting member 142 can still slide relative to the first supporting member 141. to adjust the position of the second support member 142 .

After confirming that the bent portion 1423 of the second support member 142 abuts against the second board 13 exactly, the second locking member 144 is locked.

In this way, when the second board 13 is inserted into the first board 12 , the other side of the second board 13 will be supported by the board supporting unit 14 , so that the bending of the second board 13 can be prevented. .

In addition, the board support unit 14 is fixed on the side of the first board 12 by means of locking, and the second support 142 can be tightly abutted against the second board 13 after adjustment, so the first board The card 12 , the second board 13 and the board support unit 14 can form a tight connection relationship, and the problems such as easy loosening or displacement as described in the prior art are unlikely to occur.

In summary, the board support unit of the present invention can be firmly locked on the first board, and tightly abuts against the second board to provide a supporting force to the second board, so as to prevent the second board from bending board effect.

In addition, a tight connection relationship can be formed among the first board, the second board, and the board support unit, so that the problems such as loosening or displacement of components described in the prior art can be avoided. Therefore, the electronic device using the board support unit has a stable structure.

In addition, since the overall size of the board support unit is not large, it can be installed on the first board according to the number of the second boards without affecting the overall size of the electronic device, which is convenient for use .

1: Graphics card support bracket 2: Display card 3: Support frame 4: L-shaped support frame 5: Screw holes 10: Electronics 11: Shell 12: The first board 12a: Plane 13: Second board 14: Board support unit 141: The first support 1411: Part One 14111: The first body part 14112: Connector 1412: Part II 1413: Part Three 14131: Sliding area 14132: Fixing hole 14133: Limit groove 142: Second support 1421: Bottom 14211: Guide ribs 1422: Second body part 14221: Lock slot 1423: Bending part 143: The first lock 144:Second lock 145: Anti-slip pad 146: Gasket N: normal direction

FIG. 1 is a schematic diagram of a conventional display card support frame. FIG. 2 is a schematic diagram of applying the display card support frame of FIG. 1 . FIG. 3 is a schematic diagram of another support frame. FIG. 4 is a schematic diagram of another conventional support frame. FIG. 5A is an assembly schematic diagram of an electronic device of the present invention. FIG. 5B is a top view of FIG. 5A . FIG. 5C is an exploded schematic view of FIG. 5A . FIG. 6A is a schematic diagram of the first board and the board supporting unit. FIG. 6B is an exploded schematic view of the board support unit of FIG. 6A . FIG. 7 is a partial schematic view of FIG. 5A .

12: The first board

12a: Plane

14: Board support unit

141: The first support

1411: Part One

14111: The first body part

14112: Connector

1412: Part II

1413: Part Three

14131: Sliding area

14132: Fixing hole

14133: Limit groove

142: Second support

1421: Bottom

14211: Guide ribs

1422: Second body part

14221: Lock slot

1423: Bending part

143: The first lock

144:Second lock

145: Anti-slip pad

146: Gasket

N: normal direction

Claims (25)

A board supporting unit, suitable for being assembled on one side of a first board, for supporting a second board assembled on the first board, the board supporting unit comprising: A first support has a first part, a second part and a third part, the first part is disposed on a plane of the first board, the third part is disposed parallel to the first part, and the second part connecting the first part and the third part, the first part and the third part are located at different positions in a normal direction of the first board; a second support member slidably assembled to the third part; at least one first locking member for locking the first portion to the first board; and A second locking member locks the second supporting member to the third portion to fix the position of the second supporting member relative to the third portion, so that the second supporting member abuts against the second board. The board supporting unit as claimed in claim 1, wherein the first supporting member has a pair of the first parts and a corresponding pair of the first locking members, and each of the first parts has a first body portion and a connection part, the connecting part is disposed on the first board at least partially overlapping, and the corresponding pair of the first fasteners pass through a pair of the connecting parts to be locked into the first board, and the first body part is connected to the first board between the connecting portion and the second portion. The board supporting unit according to claim 2, wherein a side of the first body portion abutting against the first board is processed by crimping. The board supporting unit as claimed in claim 1, wherein the third part has a sliding area, and the second supporting member can slide in the sliding area. The board support unit according to claim 4, wherein the third part further has a plurality of fixing holes located in the sliding area, and the second locking member is correspondingly locked into one of the fixing holes. The board card support unit according to claim 4, further comprising an anti-slip pad disposed in the sliding area or on a bottom surface of the second support member facing the third portion. The board card support unit according to claim 4, wherein the third part further has a limiting groove located on one side of the sliding area, and a guide rib is provided on one side of the second support member, And the guiding protruding rib is correspondingly embedded in the limiting groove. The board support unit according to claim 7, wherein the length of the limiting groove is smaller than the length of the sliding area. The board support unit of claim 1, wherein the second support member has a second body portion and a bending portion, the bending portion extends from the second body portion and is bent, and the bending portion against the second board. The board support unit according to claim 9, wherein an angle at which the bending portion is bent relative to the second body portion ranges from 65 degrees to 85 degrees. The board card support unit as claimed in claim 9, wherein the second body portion has a locking groove for correspondingly locking the second locking member. The board card support unit according to claim 11, wherein a peripheral edge of the locking groove protrudes from a top surface of the second body portion, and the peripheral edge of the locking groove is treated with embossing. An electronic device, comprising: a shell; a first board, fixed on the casing, and located inside the casing; a second board assembled on the first board; and A board support unit assembled on one side of the first board to support the second board, the board support unit comprising: A first support has a first part, a second part and a third part, the first part is disposed on a plane of the first board, the third part is disposed parallel to the first part, and the second part connecting the first part and the third part, the first part and the third part are located at different positions in a normal direction of the first board; a second support member slidably assembled to the third part; at least one first locking member for locking the first portion to the first board; and A second locking member locks the second supporting member to the third portion to fix the position of the second supporting member relative to the third portion, so that the second supporting member abuts against the second board. The electronic device of claim 13, wherein the first support has a pair of the first parts and a corresponding pair of the first locking parts, and each of the first parts has a first body portion and a connecting portion, The connecting portion is disposed on the first board at least partially overlapping, and a corresponding pair of the first fasteners pass through the pair of connecting portions to lock into the first board, and the first body portion is connected to the first board. between the connecting part and the second part. The electronic device as claimed in claim 14, wherein a side of the first body portion abutting against the first board is processed by crimping. The electronic device of claim 13, wherein the third portion has a sliding area, and the second support member can slide in the sliding area. The electronic device of claim 16, wherein the third part further has a plurality of fixing holes located in the sliding area, and the second locking member is correspondingly locked into one of the fixing holes. The electronic device as claimed in claim 16, wherein the board support unit further comprises an anti-slip pad disposed in the sliding area or disposed on a bottom surface of the second support member facing the third portion. The electronic device as claimed in claim 16, wherein the third part further has a limiting groove located on one side of the sliding area, and a guiding rib is provided on one side of the second supporting member, and the The guiding protruding ribs are correspondingly embedded in the limiting grooves. The electronic device of claim 19, wherein the length of the limiting groove is smaller than the length of the sliding area. The electronic device as claimed in claim 13, wherein the second support member has a second body portion and a bending portion, the bending portion extends from the second body portion and is bent, and the bending portion abuts the top the second board. The electronic device of claim 21, wherein the bending angle of the bending portion relative to the second body portion ranges from 65 degrees to 85 degrees. The electronic device as claimed in claim 21, wherein the second body portion has a locking slot for the second locking member to be locked in correspondingly. The electronic device as claimed in claim 23, wherein a peripheral edge of the lock slot protrudes from a top surface of the second body portion, and the peripheral edge of the lock slot is treated with embossing. The electronic device of claim 13, wherein the first board is a motherboard, and the second board is a display card.

Images