Elastic fixing device capable of rotating vertically

Abstract

An elastic fixing device capable of rotating vertically is used for fixing one end of an M.2 solid state disk on a mainboard and comprises a base and a positioning piece. The base is used for being fixed on a main board. The positioning piece is arranged on the base and rotates in the vertical direction relative to the base. When the positioning piece rotates downwards in the vertical direction, the positioning piece generates elastic force. And the elastic force of the positioning piece drives the positioning piece to rotate upwards along the vertical direction, so that one end of the M.2 solid state disk is fixed on the base by the positioning piece. Therefore, the elastic fixing device can be directly fixed on a main board, one end of the M.2 solid state disk is fixed in a vertical rotation mode by means of the force arm structure of the positioning piece and material elasticity, an automatic buckling effect is achieved, the M.2 solid state disk can be separated from the elastic fixing device by pressing with fingers, and the elastic fixing device is labor-saving and convenient.

Description

Technical Field

[0001] The utility model relates to a fastener, in particular to an elastic fixing device capable of vertically rotating for fixing one end of an M.2 solid state drive to a main board. Background Art

[0002] A solid state drive (SSD) uses flash memory to store data and accesses data digitally. The M.2 specification solid state drive is quite thin and light, making the M.2 solid state drive an ideal choice for lightweight and portable computers such as laptops, mini computers, and ultra-thin laptops. The M.2 solid state drive occupies less space than a 2.5-inch solid state drive or a traditional hard drive, and the capacity can reach up to 2TB at most.

[0003] The M.2 solid state drive can be inserted into a dedicated slot on the main board. Then, the screw is aligned with the concave hole at the end of the M.2 solid state drive, and a screwdriver is used to fix the screw to the main board, so that the screw fixes the end of the M.2 solid state drive to the main board. If the M.2 solid state drive needs to be pulled out of the slot, the screw must be removed from the main board first.

[0004] However, the above operation method has the following several problems: First, it is quite laborious to use a screwdriver to fix the screw to the main board or remove it from the main board; Second, a screwdriver must be prepared in advance, otherwise the operation cannot be carried out. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide an elastic fixing device capable of vertically rotating, which can be directly fixed to the main board and fix one end of the M.2 solid state drive in a vertically rotating manner without a screwdriver and screws.

[0006] To achieve the foregoing purpose, the utility model provides an elastic fixing device capable of vertically rotating for fixing one end of an M.2 solid state drive to a main board. The elastic fixing device includes a base and a positioning member. The base is used for fixing to the main board. The positioning member is arranged on the base and rotates relative to the base along a vertical direction. Wherein, when the positioning member rotates downward along the vertical direction, the positioning member generates an elastic force. Wherein, the elastic force of the positioning member drives the positioning member to rotate upward along the vertical direction, so that the positioning member fixes one end of the M.2 solid state drive to the base.

[0007] The utility model has the following effects: the elastic fixing device of the utility model can be directly fixed on the main board, and one end of the M.2 solid-state drive is fixed in a vertically rotating manner by means of the lever structure and material elasticity of the positioning member, so as to achieve the effect of automatic buckling. The M.2 solid-state drive can be separated from the elastic fixing device of the utility model by pressing with fingers, without using a screwdriver and screws, and the operation is quite labor-saving and convenient. Brief Description of the Drawings

[0008] Figure 1 It is a perspective view of the first embodiment of the elastic fixing device of the utility model.

[0009] Figure 2 It is a perspective view of the first embodiment of the elastic fixing device of the utility model from another perspective.

[0010] Figure 3 It is an exploded view of the first embodiment of the elastic fixing device of the utility model.

[0011] Figure 4 It is a schematic diagram of the fixing base of the first embodiment of the elastic fixing device of the utility model installed on the main board.

[0012] Figure 5 It is an assembly schematic diagram of the base and the positioning member of the first embodiment of the elastic fixing device of the utility model.

[0013] Figure 6 It is a schematic diagram of the combination of the fixing base and the base of the first embodiment of the elastic fixing device of the utility model.

[0014] Figure 7 It is a sectional view of the first embodiment of the elastic fixing device of the utility model fixed on the main board.

[0015] Figure 8 It is a bottom view of the first embodiment of the elastic fixing device of the utility model installed on the main board, where the base rotates to the left along the horizontal direction.

[0016] Figure 9 It is a bottom view of the first embodiment of the elastic fixing device of the utility model installed on the main board, where the base rotates to the right along the horizontal direction.

[0017] Figure 10A It is a schematic diagram of the dial block of the first embodiment of the elastic fixing device of the utility model rotating downward along the vertical direction through the pivot joint.

[0018] Figure 10B It is Figure 10A sectional view.

[0019] Figure 11ASchematic diagram of the dial block of the first embodiment of the elastic fixing device of the present utility model rotating upward along the vertical direction through the pivoting portion.

[0020] Figure 11B is Figure 11A sectional view of.

[0021] Figure 12 Isometric view of the second embodiment of the elastic fixing device of the present utility model.

[0022] Figure 13 Exploded view of the second embodiment of the elastic fixing device of the present utility model.

[0023] Figure 14 Assembly schematic diagram of the base and the positioning member of the second embodiment of the elastic fixing device of the present utility model.

[0024] Figure 15 Schematic diagram of the combination of the fixing base and the base of the second embodiment of the present utility model.

[0025] Figure 16A Schematic diagram of the dial block of the second embodiment of the elastic fixing device of the present utility model rotating downward along the vertical direction through the pivoting portion.

[0026] Figure 16B is Figure 16A sectional view of.

[0027] Figure 17A Schematic diagram of the dial block of the second embodiment of the elastic fixing device of the present utility model rotating upward along the vertical direction through the pivoting portion.

[0028] Figure 17B is Figure 17A sectional view of.

[0029] Figure 18 Isometric view of the third embodiment of the elastic fixing device of the present utility model.

[0030] Figure 19 Exploded view of the third embodiment of the elastic fixing device of the present utility model.

[0031] Figure 20 Assembly schematic diagram of the base and the positioning member of the third embodiment of the elastic fixing device of the present utility model.

[0032] Figure 21 Schematic diagram of the combination of the fixing base and the base of the third embodiment of the elastic fixing device of the present utility model.

[0033] Figure 22A Schematic diagram of the dial block of the third embodiment of the elastic fixing device of the present utility model rotating downward along the vertical direction through the pivoting portion.

[0034] Figure 22B is Figure 22A a sectional view of.

[0035] Figure 23A It is a schematic diagram of the slider of the third embodiment of the elastic fixing device of the present utility model rotating upward along the vertical direction through the pivoting portion.

[0036] Figure 23B is Figure 23A a sectional view of.

[0037] Figure 24 It is a perspective view of the fourth embodiment of the elastic fixing device of the present utility model.

[0038] Figure 25 It is a perspective view of another angle of the fourth embodiment of the elastic fixing device of the present utility model.

[0039] Figure 26 It is an exploded view of the fourth embodiment of the elastic fixing device of the present utility model.

[0040] Figure 27 It is an assembly schematic diagram of the base and the positioning member of the fourth embodiment of the elastic fixing device of the present utility model.

[0041] Figure 28 It is a schematic diagram of the fourth embodiment of the elastic fixing device of the present utility model installed on the main board.

[0042] Figure 29 It is a sectional view of the fourth embodiment of the elastic fixing device of the present utility model fixed on the main board.

[0043] Figure 30A It is a schematic diagram of the slider of the fourth embodiment of the elastic fixing device of the present utility model rotating downward along the vertical direction through the pivoting portion.

[0044] Figure 30B is Figure 30A a sectional view of.

[0045] Figure 31A It is a schematic diagram of the slider of the fourth embodiment of the elastic fixing device of the present utility model rotating upward along the vertical direction through the pivoting portion.

[0046] Figure 31B is Figure 31A a sectional view of.

[0047] Figure 32 It is a perspective view of the fifth embodiment of the elastic fixing device of the present utility model.

[0048] Figure 33 It is a perspective view of the sixth embodiment of the elastic fixing device of the present utility model.

[0049] Figure 34 It is an exploded view of the sixth embodiment of the elastic fixing device of the present utility model.

[0050] Figure 35 It is a cross-sectional view of the sixth embodiment of the elastic fixing device of the present utility model.

[0051] Explanation of reference numerals:

[0052] 1, 1A, 1B, 1C, 1D, 1E: elastic fixing device; 10: base; 11, 11A: fixing seat; 111, 111A: plug post; 1111: channel; 1112: step; 1113: stop block; 1114: limiting block; 11141: limiting groove; 112: positioning post; 113: central hole; 12: base; 121: column body; 1211: guiding block; 12111: convex block; 122: arc surface; 123: blocking portion; 124: platform; 125, 125A: convex post; 1251: opening; 126: chamber; 1261: arc surface; 127: pivot hole; 20: positioning member; 21, 21A: pivot joint portion; 211, 211A: shaft portion; 212: shaft hole; 22: fixing portion; 221, 221A, 221B, 221C, 221D: dialing block; 2211: groove; 2212: arc surface; 2213: flat surface; 2214, 2214A: card slot; 2215: accommodating groove; 2216: embedding groove; 222, 222A: pressing portion; 2221: inclined surface; 2222: first pressing block; 22221: first inclined surface; 2223: second pressing block; 22231: second inclined surface; 23, 23A, 23B, 23C: elastic member; 231: clamping block; 232: embedding block; 100, 100A: main board; 110, 110A: jack; 120: positioning hole; 200: M.2 solid state drive; 210: semi-circular hole; 300: heat sink. Detailed implementation manners

[0053] The following will make a more detailed description of the implementation manners of the present utility model in conjunction with the drawings and component symbols, so that those skilled in the art can implement it after studying this specification.

[0054] As Figure 1 、 Figure 2 and Figure 3 shown, the present utility model provides an elastic fixing device 1 that can be vertically rotated, including a base 10 and a positioning member 20.

[0055] The base 10 includes a fixed base 11 and a base 12. The fixed base 11 has a plug post 111 and a positioning post 112 and is provided with a central hole 113. The plug post 111 is cylindrical and is located at the center of the bottom of the fixed base 11. The positioning post 112 is located outside the plug post 111. The central hole 113 penetrates through the plug post 111. The inner side surface of the plug post 111 has a plurality of channels 1111 and a step 1112 (see Figure 8 and Figure 9 ), the step 1112 has a plurality of stoppers 1113 and a plurality of limit blocks 1114 (see Figure 8 and Figure 9 ), the limit block 1114 has a limit groove 11141. The base 12 has a column 121, two arc surfaces 122, two blocking portions 123, a platform 124 and a convex post 125 and is provided with a chamber 126 and two pivot holes 127. The column 121 is located at the center of the bottom of the base 12 and is inserted into the central hole 113. The outer side surface of the column 121 has a plurality of guiding blocks 1211. The plurality of guiding blocks 1211 are close to the bottom of the column 121. Each guiding block 1211 has a convex block 12111. The two arc surfaces 122 and the two blocking portions 123 are located on both sides of the top of the base 12. The two blocking portions 123 are respectively arranged at one ends of the two arc surfaces 122. The platform 124 is located on the top of the base 12. The convex post 125 is arranged on the platform 124. The chamber 126 penetrates through the top of the base 12, one side of the base 12 and the convex post 125. The inner side wall of the chamber 126 has an arc surface 1261 (see Figure 7 ). The two pivot holes 127 communicate with the chamber 126 and respectively penetrate through both sides of the base 12.

[0056] The positioning member 20 includes a pivoting portion 21, a fixing portion 22 and an elastic member 23. The pivoting portion 21 is cylindrical and is arranged in the chamber 126. The shaft portions 211 at both ends of the pivoting portion 21 are respectively pivoted in the two pivot holes 127. The fixing portion 22 includes a dial block 221 and a pressing portion 222. The dial block 221 is arranged on the pivoting portion 21 and is located above the base 12. The pressing portion 222 is arranged at one end of the dial block 221 and has an inclined surface 2221. The dial block 221 has a groove 2211, two arc surfaces 2212 and two flat surfaces 2213 and is provided with a card slot 2214 (see Figure 7 ), the groove 2211 is located at the top of the dial block 221. The two arc surfaces 2212 are located on both sides of the bottom of the dial block 221. The two flat surfaces 2213 are respectively arranged at one ends of the two arc surfaces 2212. The card slot 2214 is located at the center of the bottom of the dial block 221 and extends radially. The two arc surfaces 2212 of the dial block 221 abut against the two arc surfaces 122 of the base 12. The elastic member 23 is a spring piece and has an arc-shaped portion. The top end of the elastic member 23 is embedded in the card slot 2214. The bottom end of the elastic member 23 abuts against the base 12.

[0057] Preferably, the materials of the base 10 and the positioning member 20 can be metal or plastic. However, the present utility model is not limited thereto, and any material suitable for the base 10 and the positioning member 20 is covered by the scope of the present utility model. Among them, the base 10 and the positioning member 20 can be metal parts made by metal powder injection molding technology, which are quite textured and have a smooth surface.

[0058] The assembly process of the first embodiment of the elastic fixing device 1 of the present utility model will be described below.

[0059] As Figure 4 shown, first, the insertion post 111 is aligned with a jack 110 of a main board 100, and the positioning post 112 is aligned with a positioning hole 120 of the main board 100; then, the insertion post 111 is inserted into the jack 110 of the main board 100, the positioning post 112 is inserted into the positioning hole 120 of the main board 100, and the fixing base 11 is welded to the main board 100 through a reflow soldering technique, so that the fixing base 11 is fixed on the main board 100 and will not rotate or move at all. As Figure 5 shown, first, the top end of the elastic member 23 is embedded in the card slot 2214, and then the positioning member 20 is disposed on the base 12. As Figure 6 and Figure 7 shown, the base 12 is combined with the fixing base 11, so that the elastic fixing device 1 is fixed on the main board 100. As Figure 8 shown, when the base 12 rotates horizontally to the left and the plurality of guiding blocks 1211 are respectively located in the plurality of channels 1111, the plurality of guiding blocks 1211 are disengaged from the plurality of limiting blocks 1114. As Figure 9 shown, when the base 12 rotates horizontally to the right, the plurality of convex blocks 12111 are respectively located in the plurality of limiting slots 11141, so that the base 12 is fixed to the fixing base 11.

[0060] The following will describe how the first embodiment of the elastic fixing device 1 fixes one end of an M.2 solid state drive 200 to the main board 100.

[0061] As Figure 10A and Figure 10BAs shown, one end of the M.2 solid-state drive 200 moves downward along the inclined plane 2221, causing the dial block 221 to rotate downward in the vertical direction through the pivot portion 21 until one end of the M.2 solid-state drive 200 abuts against the platform 124 and the semi-circular hole 210 aligns with the convex post 125. Specifically, when one end of the M.2 solid-state drive 200 moves downward along the inclined plane 2221 and the dial block 221 rotates downward in the vertical direction through the pivot portion 21, the pivot portion 21 rotates smoothly along the arc surface 1261 of the inner side wall of the chamber 126, and the two arc surfaces 2212 of the dial block 221 move smoothly along the two arc surfaces 122 of the base 12. At this time, the elastic member 23 is compressed by the dial block 221 to generate an elastic force until the two flat surfaces 2213 respectively contact the two blocking portions 123 to prevent the dial block 221 from rotating excessively and the elastic member 23 from being excessively squeezed to generate an excessive elastic force and eject the dial block 221 outward. As Figure 11A and Figure 11B shown, when one end of the M.2 solid-state drive 200 moves away from the inclined plane 2221, the elastic force of the elastic member 23 drives the dial block 221 to rotate upward in the vertical direction through the pivot portion 21. The pivot portion 21 rotates smoothly along the arc surface 1261 of the inner side wall of the chamber 126, and the two arc surfaces 2212 of the dial block 221 move smoothly along the two arc surfaces 122 of the base 12 until the pressing portion 222 abuts against the convex post 125, so that the pressing portion 222 presses and fixes one end of the M.2 solid-state drive 200 on the platform 124.

[0062] When the user wants to remove the M.2 solid-state drive 200 from the elastic fixing device 1 of the present utility model, the user's finger can deeply sink into the groove 2211 and press the dial block 221, causing the dial block 221 to rotate downward in the vertical direction through the pivot portion 21. At this time, one end of the M.2 solid-state drive 200 is no longer pressed by the pressing portion 222, so that the M.2 solid-state drive 200 can be detached from the elastic fixing device 1 of the present utility model.

[0063] As Figure 12 and Figure 13 shown, the structural difference between the second embodiment of the elastic fixing device 1A of the present utility model and the first embodiment of the elastic fixing device 1 of the present utility model is as follows: First, a receiving groove 2215 is formed in the dial block 221A (see Figure 16B ); Second, the elastic member 23A is a spring and is located in the receiving groove 2215. The top end of the elastic member 23A abuts against the top wall of the receiving groove 2215, and the bottom end of the elastic member 23A abuts against the base 12.

[0064] As Figure 4 、 Figure 8 、 Figure 9 、 Figure 14 and Figure 15 shown, the assembly process of the second embodiment is exactly the same as that of the first embodiment.

[0065] As Figure 16A , Figure 16B , Figure 17A and Figure 17B shown, the way of fixing one end of the M.2 solid state drive 200 to the main board 100 in the second embodiment is exactly the same as that in the first embodiment.

[0066] As Figure 18 and Figure 19 shown, the difference between the third embodiment of the elastic fixing device 1B of the present utility model and the first embodiment of the elastic fixing device 1 of the present utility model is as follows: First, the top end of the elastic member 23B and the bottom end of the dial block 221B are integrally formed; Second, the elastic member 23B is arc-shaped.

[0067] As Figure 4 , Figure 8 , Figure 9 , Figure 20 and Figure 21 shown, the assembly process of the third embodiment is exactly the same as that of the first embodiment.

[0068] As Figure 22A , Figure 22B , Figure 23A and Figure 23B shown, the way of fixing one end of the M.2 solid state drive 200 to the main board 100 in the third embodiment is exactly the same as that in the first embodiment.

[0069] As Figure 24 , Figure 25 and Figure 26 shown, the difference between the fourth embodiment of the elastic fixing device 1C of the present utility model and the first embodiment of the elastic fixing device 1 of the present utility model is as follows: First, the fixing seat 11A and the base 12 are integrally formed, the plug post 111A is gourd-shaped, and an opening 1251 is formed in the convex post 125A; Second, a shaft hole 212 is formed in the pivoting portion 21A, and a shaft portion 211A is inserted into the shaft hole 212; Third, the pressing portion 222A includes two first pressing blocks 2222 and a second pressing block 2223. The two first pressing blocks 2222 are respectively disposed on both sides of one end of the dial block 221C, each first pressing block 2222 has a first inclined surface 22221, and the second pressing block 2223 is disposed at the center of one end of the dial block 221C and below the two first pressing blocks 2222. The second pressing block 2223 has a second inclined surface 22231.

[0070] The assembly process of the fourth embodiment of the elastic fixing device 1C of the present utility model will be described below.

[0071] As Figure 27As shown, first, the top end of the elastic member 23 is embedded in the card slot 2214, then the positioning member 20 is disposed on the base 12, and finally the shaft portion 211A passes through the pivot hole 127 and is inserted into the shaft hole 212. As Figure 28 and Figure 29 shown, first, the insertion post 111A is aligned with a jack 110A of a main board 100A; then, the insertion post 111A is inserted into the jack 110A of the main board 100A, and the base 12 is soldered to the main board 100A through a reflow soldering technique, so that the base 12 is fixed on the main board 100A and will not rotate or move at all.

[0072] The following will illustrate how the fourth embodiment of the elastic fixing device 1C fixes one end of an M.2 solid state drive 200 to the main board 100A.

[0073] As Figure 30A and Figure 30B shown, one end of the M.2 solid state drive 200 moves downward along the two first inclined surfaces 22221, so that the dial block 221C rotates downward along the vertical direction through the pivot portion 21A until one end of the M.2 solid state drive 200 abuts against the platform 124 and the semi-circular hole 210 is aligned with the convex post 125A. Specifically, when one end of the M.2 solid state drive 200 moves downward along the two first inclined surfaces 22221 and the dial block 221C rotates downward along the vertical direction through the pivot portion 21A, the pivot portion 21A rotates smoothly along the arc surface 1261 of the inner side wall of the chamber 126, and the two arc surfaces 2212 of the dial block 221C move smoothly along the two arc surfaces 122 of the base 12. At this time, the elastic member 23 is compressed by the dial block 221C to generate an elastic force until the two flat surfaces 2213 respectively contact the two blocking portions 123 to prevent the dial block 221C from rotating excessively and the elastic member 23 from being excessively squeezed to generate too large an elastic force and eject the dial block 221C outward. As Figure 31A and Figure 31B shown, when one end of the M.2 solid state drive 200 moves away from the two first inclined surfaces 22221, the elastic force of the elastic member 23 drives the dial block 221C to rotate upward along the vertical direction through the pivot portion 21A. The pivot portion 21A rotates smoothly along the arc surface 1261 of the inner side wall of the chamber 126, and the two arc surfaces 2212 of the dial block 221C move smoothly along the two arc surfaces 122 of the base 12 until the second pressing block 2223 enters the opening 1251, so that the second pressing block 2223 presses and fixes one end of the M.2 solid state drive 200 on the platform 124, and at the same time the two first pressing blocks 2222 press one end of a heat sink 300 disposed on the M.2 solid state drive 200.

[0074] When the user wants to remove the M.2 solid-state drive 200 and the heat sink 300 from the elastic fixing device 1C of the present invention, the user's finger can deeply sink into the groove 2211 and press the dial block 221C, so that the dial block 221C rotates downward along the vertical direction through the pivoting portion 21A. At this time, one end of the M.2 solid-state drive 200 is no longer pressed by the second pressing block 2223, and one end of the heat sink 300 is no longer pressed by the two first pressing blocks 2222, so that the M.2 solid-state drive 200 and the heat sink 300 can be separated from the elastic fixing device 1C of the present invention.

[0075] As Figure 32 shown, the difference between the fifth embodiment of the elastic fixing device 1D of the present invention and the fourth embodiment of the elastic fixing device 1C of the present invention is that: the elastic member 23 is replaced by the elastic member 23A.

[0076] As Figure 33 、 Figure 34 and Figure 35 shown, the difference between the sixth embodiment of the elastic fixing device 1E and the fourth embodiment of the elastic fixing device 1C is as follows: First, two card slots 2214A are opened on the dial block 221D. The two card slots 2214A are located on both sides of the bottom of the dial block 221D and extend radially. The top end of the elastic member 23C has two card blocks 231, and the two card blocks 231 are respectively embedded in the two card slots 2214A; Second, an embedding groove 2216 is opened on the dial block 221D. The embedding groove 2216 is located at the bottom of the dial block 221D and extends axially. The top end of the elastic member 23C has an embedding block 232, and the embedding block 232 is embedded in the embedding groove 2216, so as to improve the fixing effect of the top end of the elastic member 23C.

[0077] In summary, the elastic fixing devices 1, 1A, 1B, 1C, 1D, 1E of the present invention can be directly fixed on the main boards 100, 100A, and one end of the M.2 solid-state drive 200 is fixed in a vertically rotating manner by means of the force arm structure and material elasticity of the positioning member 20, so as to achieve the effect of automatic buckling. The M.2 solid-state drive 200 can be separated from the elastic fixing devices 1, 1A, 1B, 1C, 1D, 1E of the present invention by pressing with a finger, without a screwdriver and screws, and the operation is quite labor-saving and convenient.

[0078] The above are only preferred embodiments for explaining the present invention, and are not intended to limit the present invention in any form. Therefore, any modification or change to the present invention made under the same inventive spirit should still be included in the scope intended to be protected by the present invention.

Claims

1. A vertically rotatable elastic fixing device, characterized in that: Used to fix one end of an M.2 solid state drive to a motherboard, the elastic fixing device includes: A base, used to be fixed on the main board; and A positioning member, disposed on the base and rotating along a vertical direction relative to the base; Wherein, when the positioning member rotates downward along the vertical direction, the positioning member generates elastic force; and The elastic force of the positioning member drives the positioning member to rotate upward along the vertical direction, so that the positioning member fixes one end of the M.2 solid state drive on the base.

2. The vertically rotatable elastic fixing device according to claim 1, characterized in that: The positioning member includes a pivotal portion, a fixed portion and an elastic member, the pivotal portion is pivotally arranged in the base, the fixed portion is arranged on the pivotal portion and is located above the base, and the elastic member is arranged in the base and is located below the fixed portion; wherein, when the fixed portion rotates downward along the vertical direction via the pivotal portion, the elastic member is compressed by the fixed portion to generate an elastic force; wherein, the elastic force of the elastic member drives the fixed portion to rotate upward along the vertical direction via the pivotal portion, so that the fixed portion presses one end of the M.2 solid state drive and fixes it on the base.

3. The vertically rotatable elastic fixing device according to claim 2, characterized in that: The fixing portion includes a shift block and a pressing portion, the shift block is arranged on the pivot portion and is located above the base, the pressing portion is arranged at one end of the shift block and has an inclined surface, and the elastic member is located below the shift block; wherein, when one end of the M.2 solid state drive moves downward along the inclined surface and the shift block rotates downward along the vertical direction by means of the pivot portion, the elastic member is compressed by the shift block to generate an elastic force; wherein, when one end of the M.2 solid state drive is away from the inclined surface, the elastic force of the elastic member drives the shift block to rotate upward along the vertical direction by means of the pivot portion, so that the pressing portion presses one end of the M.2 solid state drive and fixes it on the base.

4. The vertically rotatable elastic fixing device according to claim 3, characterized in that: The base has two curved surfaces, the two curved surfaces of the base are located on both sides of the top of the base, the shift block has two curved surfaces, the two curved surfaces of the shift block are located on both sides of the bottom of the shift block, and the two curved surfaces of the shift block are against the two curved surfaces of the base.

5. The vertically rotatable elastic fixing device according to claim 4, characterized in that: The base has two blocking parts, which are respectively arranged at one end of the two arc surfaces of the base; wherein the shift block has two planes, which are respectively arranged at one end of the two arc surfaces of the shift block; wherein, when the shift block rotates downward along the vertical direction by means of the pivot part, the two planes contact the two blocking parts respectively.

6. The vertically rotatable elastic fixing device according to claim 3, characterized in that: The base has a platform, which is located on the top of the base; wherein the elastic force of the elastic member drives the shift block to rotate upward along the vertical direction through the pivot portion, so that the pressing portion presses one end of the M.2 solid state drive and fixes it on the platform.

7. The vertically rotatable elastic fixing device according to claim 3, characterized in that: The base is provided with an opening, and the pressing portion includes at least one first pressing block and a second pressing block, wherein the at least one first pressing block is arranged on at least one side of one end of the shift block and has a first inclined surface, and the second pressing block is arranged at the center of one end of the shift block and is located below the at least one first pressing block, and the second pressing block has a second inclined surface; wherein, when one end of the M.2 solid state drive moves downward along the first inclined surface and the shift block rotates downward along the vertical direction by the pivoting portion, the elastic member is compressed by the shift block to generate elastic force; wherein, when one end of the M.2 solid state drive moves away from the first inclined surface, the elastic force of the elastic member drives the shift block to rotate upward along the vertical direction by the pivoting portion until the second pressing block enters the opening, so that the second pressing block presses one end of the M.2 solid state drive and fixes it on the base, and at the same time, the at least one first pressing block presses one end of a heat sink arranged on the M.2 solid state drive.

8. The vertically rotatable elastic fixing device according to claim 2, characterized in that: The fixing portion defines at least one slot, the top end of the elastic member is embedded in the at least one slot, and the bottom end of the elastic member abuts against the base.

9. The vertically rotatable elastic fixing device according to claim 2, characterized in that: The fixing portion defines a receiving groove, the elastic member is located in the receiving groove, the top end of the elastic member abuts against the top wall of the receiving groove, and the bottom end of the elastic member abuts against the base.

10. The vertically rotatable elastic fixing device according to claim 2, characterized in that: The top end of the elastic member is integrally formed with the bottom end of the fixing portion, and the bottom end of the elastic member abuts against the base.

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