Expansion card fixing device

Abstract

The utility model provides an expansion card fixing device which is suitable for being fixed on a circuit board so as to fix the tail end of an expansion card arranged on the circuit board, and the expansion card fixing device comprises a base, a clamping piece and an elastic piece, the base comprises a bearing surface for bearing the tail end of the expansion card. The clamping piece is movably arranged on the base and comprises a clamping hook. The elastic piece is arranged between the base and the clamping piece. When the tail end of the expansion card abuts against the bearing face of the base, and the clamping piece is located at the clamping position, the clamping hook of the clamping piece is located above the tail end of the expansion card, and the tail end is limited to move upwards. When the clamping piece is moved away from the position above the tail end and the bearing face, the clamping hook relieves limitation on the tail end, and the elastic piece accumulates elastic potential energy. When the elastic piece releases the accumulated elastic potential energy, the clamping piece returns to the position above the bearing face. The expansion card fixing device provided by the utility model can be used for simply and conveniently limiting and releasing the limiting of the expansion card.

Description

Technical Field

[0001] This utility model relates to a fixing device, and more particularly to an expansion card fixing device. Background Technology

[0002] Currently, expansion cards can be installed or removed from circuit boards using specific devices. Making this installation and removal process more convenient is a direction for research in this field. Utility Model Content

[0003] This utility model provides an expansion card fixing device, which can limit and release the expansion card in a very simple and convenient way.

[0004] This utility model discloses an expansion card fixing device suitable for fixing to a circuit board to secure the end of an expansion card disposed on the circuit board. The expansion card fixing device includes a base, a locking member, and an elastic member. The base includes a bearing surface for the end of the expansion card to rest against. The locking member is movably disposed on the base and includes a hook. The elastic member is disposed between the base and the locking member. When the end of the expansion card rests against the bearing surface of the base and the locking member is in the locked position, the hook of the locking member is located above the end of the expansion card, thus restricting the end from moving upward. When the locking member is moved away from the end above the bearing surface, the hook releases the restriction on the end, and the elastic member accumulates elastic potential energy. When the elastic member releases the accumulated elastic potential energy, the locking member returns to the top of the bearing surface.

[0005] In an embodiment of this utility model, the elastic element is a torsion spring. The base includes an upper surface, a groove recessed in the upper surface, and a protrusion located in the groove. The elastic element is sleeved on the protrusion, the first end of the elastic element abuts against the base, and the second end of the elastic element abuts against the engaging element.

[0006] In an embodiment of this utility model, the base includes a first hole communicating with the groove, the engaging member includes a second hole recessed in the side, the first end of the elastic member extends into the first hole, and the second end of the elastic member extends into the second hole.

[0007] In embodiments of this invention, the top surface of the aforementioned protruding post is flush with or lower than the upper surface.

[0008] In an embodiment of this utility model, the base includes an upper surface and a groove recessed in the upper surface. The groove extends along the moving direction of the engaging member, and the engaging member is slidably disposed in the groove.

[0009] In an embodiment of this utility model, the base includes a groove recessed in the upper surface, an elastic element is disposed in the groove, a recessed groove is connected to the groove, and the top surface of the engaging element is flush with or lower than the upper surface.

[0010] In an embodiment of this utility model, the hook has an inclined outer surface that faces away from the bearing surface.

[0011] In an embodiment of this utility model, the aforementioned engaging component includes a wrench portion located away from the hook.

[0012] In an embodiment of this utility model, the distance between the bearing surface of the base and the circuit board is less than 2 mm.

[0013] In an embodiment of this utility model, the base includes an arc-shaped protrusion that protrudes from the bearing surface.

[0014] Based on the above, the base of the expansion card fixing device of this utility model has a bearing surface for the end of the expansion card to rest against. The engaging component of the expansion card fixing device is movably disposed on the base and includes a hook. An elastic element is disposed between the base and the engaging component. When the end of the expansion card rests against the bearing surface of the base, and the engaging component is in the engaged position, the hook of the engaging component is located above the end of the expansion card, thus restricting the end from moving upwards. When the engaging component is moved away from the end above the bearing surface, the hook releases the restriction on the end, and the elastic element accumulates elastic potential energy. When the elastic element releases the accumulated elastic potential energy, the engaging component returns to the top of the bearing surface. Therefore, the expansion card fixing device of this utility model can quite simply and conveniently limit and release the expansion card.

[0015] To make the above-mentioned features and advantages of this utility model more apparent and understandable, specific embodiments are described below, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of an expansion card fixing device according to an embodiment of the present invention, which fixes an expansion card to a circuit board;

[0017] Figure 2 Is it removal? Figure 1 A diagram of the expansion card;

[0018] Figure 3 It is Figure 2 A schematic diagram showing the expansion card fixing device moving upwards;

[0019] Figure 4 yes Figure 1 Other magnified schematic diagrams from different perspectives;

[0020] Figure 5 yes Figure 1 A schematic diagram of the expansion card fixing device;

[0021] Figure 6 yes Figure 5 Exploded view;

[0022] Figure 7 yes Figure 4 A diagram from another perspective;

[0023] Figure 8 yes Figure 5 A diagram from another perspective;

[0024] Figure 9 and Figure 10 It is an expansion card Figure 5 A schematic diagram of the fixing process of the expansion card fixing device.

[0025] Explanation of reference numerals in the attached figures

[0026] D: Distance;

[0027] 10: Circuit board;

[0028] 12: Connector;

[0029] 14: Holes;

[0030] 20: Expansion Card;

[0031] 22: End;

[0032] 100: Expansion card fixing device;

[0033] 110: Base;

[0034] 111: Support surface;

[0035] 112: Upper surface;

[0036] 113: Groove;

[0037] 114: Convex column;

[0038] 115: First hole;

[0039] 117: Groove;

[0040] 118: Arc-shaped bump;

[0041] 119: Fixing part;

[0042] 120: Card assembly;

[0043] 122: Hook;

[0044] 124: Inclined outer surface;

[0045] 126: Second hole;

[0046] 128: Wrench section;

[0047] 130: Elastic component;

[0048] 132: First end;

[0049] 134: Second end. Detailed Implementation

[0050] Figure 1 This is a schematic diagram of an expansion card fixing device according to an embodiment of the present invention, which fixes the expansion card to the circuit board. Figure 2 Is it removal? Figure 1 A diagram of the expansion card. Figure 3 It is Figure 2 A schematic diagram showing the expansion card fixing device moving upwards. Figure 4 yes Figure 1 A magnified schematic diagram from other perspectives. Figure 5 yes Figure 1 A schematic diagram of the expansion card fixing device. Figure 6 yes Figure 5 Exploded view. Figure 7 yes Figure 4 A schematic diagram from another perspective. Figure 8 yes Figure 5 A schematic diagram from another perspective. Figure 9 and Figure 10 It is an expansion card Figure 5 A schematic diagram of the fixing process of the expansion card fixing device.

[0051] Please see Figures 1 to 10 In this embodiment, the expansion card 20 is detachably inserted into the connector 12 of the circuit board 10. The circuit board 10 is, for example, a motherboard, the connector 12 is, for example, an M.2 interface connector, and the expansion card 20 is, for example, an M.2 solid-state drive, but the types of circuit board 10, connector 12 and expansion card 20 are not limited thereto.

[0052] The expansion card fixing device 100 of this embodiment is adapted to be fixed to the circuit board 10 to fix the end 22 of the expansion card 20 disposed on the circuit board 10. Therefore, when the expansion card 20 is inserted into the connector 12 and the end 22 of the expansion card 20 is fixed by the expansion card fixing device 100, the expansion card 20 can be well fixed to the circuit board 10.

[0053] like Figure 5 and Figure 6 As shown, in this embodiment, the expansion card fixing device 100 includes a base 110, a locking member 120, and an elastic member 130. The base 110 includes a fixing part 119 ( Figure 8 The fixing part 119 is detachably provided in the hole 14 of the circuit board 10. Figure 3 The position of the expansion card fixing device 100 on the circuit board 10 is adjusted according to the length of the expansion card 20 to be fixed. The fixing part 119 is flexible and can be inserted into the hole 14, or the fixing part 119 can also be fixed to the circuit board 10 by locking, snapping, or gluing, etc., without being limited to the drawings.

[0054] like Figure 5 and Figure 6 As shown, the base 110 includes a bearing surface 111 for receiving the end 22 of the expansion card 20, particularly for receiving the portion next to the semi-circular hole of the end 22 of the expansion card 20. In this embodiment, the base 110 also includes an arcuate protrusion 118 protruding from the bearing surface 111. Figure 4 As shown, when the end 22 of the expansion card 20 rests against the bearing surface 111 of the base 110, the arc-shaped protrusion 118 of the base 110 is located in the semi-circular hole of the end 22 of the expansion card 20.

[0055] Furthermore, in this embodiment, the base 110 includes an upper surface 112, a groove 113 recessed in the upper surface 112, and a protrusion 114 located within the groove 113. In this embodiment, the top surface of the protrusion 114 is flush with or lower than the upper surface 112. Additionally, the base 110 includes a groove 117 recessed in the upper surface 112 and communicating with the groove 113, the groove 117 extending along the moving direction of the engaging member 120.

[0056] The engaging member 120 is movably disposed on the base 110. Specifically, the engaging member 120 is slidably disposed in the groove 117. The top surface of the engaging member 120 is flush with or lower than the upper surface 112.

[0057] The engaging component 120 includes a latch 122. The latch 122 includes an inclined outer surface 124 facing away from the bearing surface 111 and a lever portion 128 located away from the latch 122. The latch 122 is used to secure the end 22 of the expansion card 20. The inclined outer surface 124 is used to allow the end 22 of the expansion card 20 to be pushed back along the groove 117 by the expansion card 20 as it contacts the bearing surface 111 downwards. The lever portion 128 is used to allow the user to easily move the engaging component 120.

[0058] An elastic element 130 is disposed between the base 110 and the engaging element 120. In this embodiment, the elastic element 130 is a torsion spring, but the type of elastic element 130 is not limited thereto. The elastic element 130 is disposed in the groove 113 of the base 110 and sleeved on the protrusion 114. The first end 132 of the elastic element 130 abuts against the base 110, and the second end 134 of the elastic element 130 abuts against the engaging element 120.

[0059] More specifically, the base 110 includes a first hole 115 communicating with the recess 113. Figure 8 The engaging member 120 includes a second hole 126 recessed on the side. Figure 7 The first end 132 of the elastic member 130 extends into the first hole 115, and the second end 134 of the elastic member 130 extends into the second hole 126, and is fixed to the base 110 and the engaging member 120.

[0060] In this embodiment, the connector 12 of the circuit board 10 can be a very small connector, which can be used in thin and light laptops. Due to the limited internal space of the laptop, the height of the connector 12 is quite small. In response to such laptops, in this embodiment, the base 110 is specially designed with recessed grooves 113 and grooves 117 to house the elastic member 130 and the engaging member 120, so as to reduce the overall height of the expansion card fixing device 100.

[0061] In this embodiment, the distance D between the bearing surface 111 of the base 110 and the circuit board 10 is, for example, less than 2 mm, so that the expansion card 20 can... Figure 10 When the base 110 rests against the support surface 111, the distance from the support surface 111 of the base 110 to the center position of the expansion card 20 in the height direction is approximately 2 mm. Of course, the value of the distance D is not limited to this.

[0062] The process of fixing and releasing the expansion card 20 by the expansion card fixing device 100 is described below.

[0063] like Figure 9 As shown, during the installation of the expansion card 20, the end 22 of the expansion card 20 pushes downward against the inclined outer surface 124 of the latching member 120, causing the latching member 120 to be pushed by the expansion card 20 along the groove 117. Figure 6 )Towards Figure 9 Step back to the left.

[0064] During this process, elastic element 130 ( Figure 6 The elastic potential energy is accumulated until the inclined outer surface 124 of the locking member 120 moves to the left until the end 22 of the expansion card 20 can rest against the bearing surface 111 of the base 110. At this point, the locking member 120 is no longer pushed by the end 22 of the expansion card 20.

[0065] At this time, the elastic element 130 releases the stored elastic potential energy, such as Figure 10 As shown, the latch 122 of the latching member 120 is positioned to the right and above the end 22 of the expansion card 20, and moves to the latching position to restrict the upward movement of the end 22 of the expansion card 20.

[0066] Subsequently, to release the restriction on the end 22 of the expansion card 20, simply move the lever portion 128 of the locking member 120 to the left, causing the locking member 120 to be pushed by the expansion card 20 along the groove 117. Figure 6 )Towards Figure 9 When the left side moves back and is above the end 22 of the expansion card 20 and the bearing surface 111 of the base 110, the latch 122 releases the restriction on the end 22 of the expansion card 20. At this time, the elastic element 130 accumulates elastic potential energy.

[0067] After the end 22 of the expansion card 20 moves upward, as long as the user releases the lever part 128 of the locking member 120, the elastic member 130 releases the stored elastic potential energy, and the locking member 120 can return to the top of the bearing surface 111.

[0068] In summary, the base of the expansion card fixing device of this utility model has a bearing surface for the end of the expansion card to rest against. The engaging component of the expansion card fixing device is movably disposed on the base and includes a hook. An elastic element is disposed between the base and the engaging component. When the end of the expansion card rests against the bearing surface of the base, and the engaging component is in the engaged position, the hook of the engaging component is located above the end of the expansion card, thus restricting the end from moving upwards. When the engaging component is moved away from the end above the bearing surface, the hook releases the restriction on the end, and the elastic element accumulates elastic potential energy. When the elastic element releases the accumulated elastic potential energy, the engaging component returns to the top of the bearing surface. Therefore, the expansion card fixing device of this utility model can quite simply and conveniently limit and release the expansion card.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. An expansion card fixing device adapted to be fixed to a circuit board to fix an end of an expansion card disposed on the circuit board, characterized by, The expansion card fixing device comprises: a base including an abutting surface for the end of the expansion card to abut against; a clamping member movably disposed on the base and including a clamping hook; and a resilient member disposed between the base and the clamping member, wherein when the end of the expansion card abuts against the abutting surface of the base and the clamping member is in a clamping position, the clamping hook of the clamping member is above the end of the expansion card to restrict upward movement of the end, when the clamping member is moved away from the end and above the abutting surface, the clamping hook releases the restriction on the end, and the resilient member accumulates elastic potential energy, when the resilient member releases the accumulated elastic potential energy, the clamping member returns above the abutting surface.

2. The expansion card retaining device of claim 1, wherein, The resilient member is a torsion spring, the base includes an upper surface, a groove recessed in the upper surface, a protruding column in the groove, the resilient member is sleeved on the protruding column, a first end of the resilient member abuts against the base, and a second end of the resilient member abuts against the clamping member.

3. The expansion card retaining device of claim 2, wherein, The base includes a first hole communicating with the groove, the clamping member includes a second hole recessed in a side surface, the first end of the resilient member extends into the first hole, and the second end of the resilient member extends into the second hole.

4. The expansion card retaining device of claim 2, wherein, A top surface of the protruding column is flush with or lower than the upper surface.

5. The expansion card retaining device of claim 1, wherein, The base includes an upper surface and a recessed groove recessed in the upper surface, the recessed groove extends along a moving direction of the clamping member, and the clamping member is slidably disposed in the recessed groove.

6. The expansion card retaining device of claim 5, wherein, The base includes a recessed groove recessed in the upper surface, the resilient member is disposed in the recessed groove, the recessed groove communicates with the recessed groove, and a top surface of the clamping member is flush with or lower than the upper surface.

7. The expansion card retaining device of claim 1, wherein, The clamping hook has an inclined outer surface facing away from the abutting surface.

8. The expansion card retaining device of claim 1, wherein, The clamping member includes a wrench portion away from the clamping hook.

9. The expansion card retaining device of claim 1, wherein, The abutting surface of the base is less than 2 mm away from the circuit board.

10. The expansion card retaining device of claim 1, wherein, The base includes an arc-shaped protruding block protruding from the abutting surface.

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