TWI465179B - A fastening device - Google Patents

Description

Fixtures

The present invention relates to a fixing device, and more particularly to a fixing device for screw-free electronic devices.

The bottom case of the notebook computer is planned to have space for the hard disk. A hard disk fixing device is known which comprises a sheet metal member which is fixed in a hard disk and has an inverted U shape, and four screws which are respectively locked around the sheet metal member and the bottom case. The sheet metal member has a base wall, two side walls extending downward from opposite sides of the base wall, and two extending walls respectively extending from the two side walls to the base wall, and the four screws are respectively locked to the two extending walls.

However, the thickness of the hard disk of the notebook computer is 9.5mm and 7mm. The sheet metal parts need to be walled with different heights for different sizes of hard disks.

Accordingly, it is an object of the present invention to provide a fixture that can secure electronic devices of different thickness specifications.

Therefore, the fixing device of the present invention is suitable for fixing an electronic device to a circuit board. The electronic device includes a plurality of positioning holes. The circuit board has a mounting area for presetting the electronic device and two first slots opposite to the two sides of the mounting portion. The fixing device comprises a base plate, two guiding seats, two sliding members and two fixing members.

The substrate is located below the board. The guiding seat is disposed on two opposite sides of the substrate, and each guiding seat corresponds to each of the first slots. The sliding members are slidably disposed on the respective guiding seats, and are partially disposed in the corresponding first slots. The two fixing members are respectively connected to the sliding members and are located above the corresponding first slots. Each of the fixing members includes a protruding post and a retaining wall that is connected to the protruding post. The protruding posts of the two fixing members protrude toward each other, and when the electronic device is located in the mounting area, the two fixing members can move along with the sliding members, and The protrusions are placed in the corresponding positioning holes of the electronic device, and the blocking walls of the two fixing members sandwich the electronic device.

The fixing device further comprises a connecting member connecting the substrate and located between the two guiding seats, and an operating member of the engaging connecting member, the circuit board further has a second slot for the connecting member to pass through, and each of the first openings The slot is elongated, and the one end of the first slot is away from the second slot is closer to the end closer to the second slot, and the operating member is located above the circuit board and can be moved in the second slot through the connector. .

The operating member includes a pushing portion that abuts the electronic device when the blocking wall of the two fixing members clamps the electronic device.

The connecting member comprises a top block and at least one hook connected to the top block; the operating member further comprises a plate portion, a card slot extending through the plate portion for engaging the hook, and a hand portion connected to the pushing portion .

Each of the guiding seats has a sliding rail and a limiting slot, and each sliding member has a base slidable along the sliding rail, a positioning portion connected to the base and matched with the limiting slot, and a protruding portion extending upward from the base The connecting rods are respectively disposed on the corresponding first slots.

Each connecting rod has a flange to abut against the corresponding fixing members.

Each fixing member further includes a connecting portion connected to the protruding post, each connecting portion has a retaining wall, a bottom wall perpendicular to the retaining wall, and a latching hole matched with the connecting rod to engage the connecting rod.

Each guiding seat has a limiting slot, each limiting slot is defined by a first protruding block and two second protruding blocks, and the first protruding block, the second protruding block and the top block abut against the mounting area; The two clamping members are included, and the two clamping members of the operating member abut against the mounting area.

The effect of the invention is that although the thickness of the electronic device is different, the height of the lower surface of the electronic device to the positioning hole is uniform, and the corresponding protruding post can be placed, so that the fixing device can fix the electronic device of different thickness.

The foregoing and other technical aspects, features, and advantages of the present invention will be apparent from the Detailed Description of the <RTIgt;

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the embodiment of the fixing device of the present invention is suitable for fixing an electronic device 13 , such as a magnetic hard disk or a solid state disk (SSD), to a circuit board 12 . In this embodiment, the description is made by setting it on the notebook computer. The notebook computer includes a casing 11, a circuit board 12 disposed on the casing 11, and an electrical connector 14 electrically connected to the circuit board 12 and interposed by the electronic device 13. The circuit board 12 has a mounting area 121 for presetting the electronic device 13, a first slot 122 opposite to the two sides of the mounting area 121, and a second slot between the two first slots 122. 123. Each of the first slots 122 has an elongated shape, and the second slots 123 have a rectangular shape. The one end 124 of the second first slot 122 away from the second slot 123 is relatively close to the end 125 adjacent to the second slot 123. The electronic device 13 includes at least two positioning holes 131 that are disposed on opposite sides. It should be noted that although the electronic device 13 of the present embodiment is configured by using a hard disk in a notebook computer, the present invention is not limited thereto, and the electronic device 13 may also be a TV tuner module. Integral (All-in-One) computer.

The fixing device comprises a substrate 2, two guiding seats 3, two sliding members 4, two fixing members 5, a connecting member 6, and an operating member 7.

The substrate 2 is located below the mounting area 121 of the circuit board 12. The two guiding seats 3 are disposed on opposite sides of the substrate 2, and each guiding seat 3 corresponds to each of the first slots 122. Each of the guide seats 3 has a slide rail 31 and a limiting slot 32 formed at a distal end portion of the slide rail 31. Each of the limiting slots 32 is defined by a first protrusion 321 at the end of the closed rail 31, and a second protrusion 322 spaced apart from the first protrusion 321 and extending upward from both sides of the sliding rail 31. The distance between the bumps 322 is D1.

The two sliding members 4 are slidably disposed on the respective guiding seats 3 respectively. Each of the sliding members 4 has a base 41 slidable along the slide rails 31, a positioning portion 42 connected to the base 41 and engaging with the limiting slots 32, and a connecting rod 43 projecting upward from the base 41. The base 41 has a main body portion 411 received in the slide rail 31 and a protruding portion 412 protruding upward from the main body portion 411. The connecting rods 43 extend upwardly from the protruding portion 412 and are worn. It is disposed on each of the corresponding first slots 122, and has a flange 431 at one end of the connecting protrusion 412 to form a stepped shape. Each of the positioning portions 42 has a circular arc shape, and the protruding portion 412 of each of the bases 41 is adjacent to one end of the limiting slot 32, and the maximum outer diameter is D2. Because D2>D1, the positioning portion 42 passes through the opposite two. The second bump 322 can be limited to the limiting slot 32 and cannot slide out easily. It should be noted that the interference between the positioning portion 42 and the second protrusions 322 in this embodiment and the limitation of the positioning portion 42 to the limiting slot 32 are merely exemplary embodiments, but the invention is not limited thereto. There are still other settings, so I won't go into details here.

Referring to FIG. 3 and FIG. 4, the two fixing members 5 are respectively connected to the sliding members 4 and located above the corresponding first slots 122 (see FIG. 1). Each of the fixing members 5 includes a connecting portion 51 disposed on the corresponding sliding member 4, and a protruding post 52 disposed on the connecting portion 51, and the protruding posts 52 of the two fixing members 5 are convexly opposed to each other. Each connecting portion 51 has an L shape and has a retaining wall 511 that is in contact with the stud 52, a bottom wall 512 that is perpendicular to the retaining wall 511 and extends opposite to the stud 52, and a connecting wall 512 and connected thereto. The rod 43 is matched with a hole 513. The hole 513 of the connecting rod 43 is located above the flange 431, and the flange 431 of the connecting rod 43 abuts against the bottom wall 512, so that the bottom wall 512 and the circuit board 12 phase spacing (see Figure 6). The fixture further includes a set of pressing members (not shown) disposed between the connecting rod 43 and the bottom wall 512, such as a nut, to secure the connecting rod 43 to the bottom wall 512.

Referring to FIG. 1, FIG. 2 and FIG. 5, the connecting member 6 is connected to the substrate 2 and located between the two guiding seats 3, and includes a top block 61 connected to one side of the substrate 2, and two connected to and spaced apart from the top block 61. The hook 62 can be extended over the circuit board 12 through the second slot 123 of the circuit board 12 for the operating member 7 to be engaged. The operating member 7 is located above the second slot 123 of the circuit board 12, and includes a board portion 71, a card slot 72 extending through the board portion 71 for engaging the two hooks 62, and two opposite sides of the board portion 71. The extended clamping block 73, a pushing portion 74 extending upward from the side of the plate portion 71, and a hand portion 75 connected to the pushing portion 74 and located above the card slot 72 and having an L shape. It should be noted that although the hook 62 of the embodiment is described by two hooks 62 connected to the top block 61 and spaced apart, the present invention is not limited thereto, and only one card connected to the top block 61 is used. Hook 62 can also play a role.

Referring to FIG. 1 , FIG. 6 and FIG. 8 , the fixing device is mounted on the circuit board 12 , and before the electronic device 13 is not fixed, the connecting rods 43 of the two sliding members 4 are respectively located at a distance between the two first slots 122 . One end 125, and the base 41 of the two sliding members 4 are respectively located at the opposite ends 125 of the two sliding rails 31, so that the distance between the two fixing members 5 is wider, and the hook 62 of the connecting member 6 is also located in the second slotting. 123 is relatively far from the side of the electrical connector 14, and the push portion 74 is spaced farther from the electrical connector 14 to provide ample space for placing the electronic device 13 on the circuit board 12 and connecting to the electrical connector 14. .

When the electronic device 13 is placed in the mounting area 121, the operating member 7 is pushed in the direction of the arrow I, so that the hook 62 of the connecting member 6 is also moved along the second slot 123, and the substrate 2 is moved to move the base 41 of each sliding member 4. Moving along the slide rails 31, the two connecting rods 43 also slide along the two first slots 122 in the direction of the arrow II to the relatively close end 124 (see FIG. 7). At this time, the pushing portion 74 of the operating member 7 is in contact with the electronic device 13, and the protruding posts 52 are locked in the corresponding positioning holes 131 of the electronic device 13, and the blocking walls 511 sandwich the electronic device 13, and at this time, the two sliding members 4 The positioning portion 42 is engaged with each of the limiting slots 32 (see FIG. 9), and the two fixing members 5 are relatively positioned, and the electronic device 13 is interposed therebetween with the electrical connector 14.

When the electronic device 13 is to be disassembled, the hand-held portion 75 of the operating member 7 is pushed in the opposite direction of the arrow I, and the connecting member 6 and the substrate 2 can be linked at the same time, so that the two hooks 62 move along the second slot 123, and the protrusions 53 are separated from each other. The positioning hole 131 corresponding to the electronic device 13 moves the two sliding members 4 along the corresponding first slots 122 to move the two fixing members 5 away from the electronic device 13 to separate the electronic device 13 from the fixing device.

Referring to FIG. 7 and FIG. 10, more specifically, when the electronic device 13 having different thicknesses is used, if the positioning holes 131 of the electronic device 13 having different thicknesses are consistent with the height of the surface of the circuit board 12, the fixing device of the embodiment can be applied. . For example, the hard disk of the notebook computer has different thicknesses of 9.5mm and 7mm.

Referring to FIG. 7 and FIG. 11 , it is worth mentioning that, in order to make the fixing device move more smoothly in the mounting area 121 , the top surface of each first bump 321 and the top surface of the second second bump 322 and the connecting member 6 are The top surfaces of the top blocks 61 abut against the lower surface of the mounting area 121, respectively. The bottom surface of the two clamping members 73 of the operating member 7 abuts against the upper surface of the mounting portion 121. The area of the substrate 2 and the operating member 7 contacting the circuit board 12 is reduced by the first bump 321 , the second bump 322 , the top block 61 and the clamping block 73 , so that the fixing device moves in line contact at the mounting area 121 to reduce friction. .

In addition, the lower surface of the mounting area 121 can also be configured with surface mount technology (SMT) to configure active components or passive components such as capacitors and inductors to make the circuit design more flexible.

Referring to Figures 12 and 13, another embodiment of the fixing member 5 of the present embodiment is shown. The difference is that the connecting portion 51 of each fixing member 5 is in a block shape, and has a blocking wall 511 that is in contact with the protruding post 52, a bottom wall 512 that is perpendicular to the blocking wall 511 and extends opposite to the protruding post 52, and A card hole 513 recessed by the bottom wall 512 and mated with the connecting rod 43 (see FIG. 3). In the embodiment, the card hole 513 is a blind hole. In the assembly, the connecting portions 51 of the two fixing members 5 are respectively inserted into the two connecting rods 43 through the card holes 513 without the need for a pressing member (not shown).

In summary, although the thickness of the electronic device 13 is different, the lower surface of the electronic device 13 and the positioning hole 131 are highly uniform, and the corresponding protrusions 52 can be disposed. Therefore, the fixing device of the embodiment can fix the electronic devices of different thicknesses. 13, it is indeed possible to achieve the object of the present invention.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are still It is within the scope of the patent of the present invention.

11‧‧‧Shell

12‧‧‧ boards

121‧‧‧Installation area

122‧‧‧First slotting

123‧‧‧Second slotting

124‧‧‧End

125‧‧‧End

13‧‧‧Electronic devices

131‧‧‧Positioning holes

14‧‧‧Electrical connector

2‧‧‧Substrate

3‧‧‧ Guide seat

31‧‧‧Slide rails

32‧‧‧Limited slot

321‧‧‧First bump

322‧‧‧second bump

4‧‧‧Sliding parts

41‧‧‧Base

411‧‧‧ Main body

412‧‧‧Protruding

42‧‧‧ Positioning Department

43‧‧‧ Connecting rod

431‧‧‧Flange

5‧‧‧Fixed parts

51‧‧‧Connecting Department

511‧‧ ‧ retaining wall

512‧‧‧ bottom wall

513‧‧‧Kakong

52‧‧‧Bump

6‧‧‧Connecting parts

61‧‧‧Top block

62‧‧‧ card hook

7‧‧‧Operating parts

71‧‧‧ Board Department

72‧‧‧ card slot

73‧‧‧Clamping block

74‧‧‧Shift

75‧‧‧Handheld Department

1 is an exploded perspective view showing a combination of an embodiment of a fixing device of the present invention and a casing, a circuit board, an electronic device, and an electrical connector;

2 is a perspective view showing the connection relationship between a substrate, two guiding seats and a connecting member;

Figure 3 is a perspective view showing a sliding member;

Figure 4 is a perspective view showing a fixing member;

Figure 5 is a perspective view showing an operating member;

Figure 6 is a perspective view showing the electronic device assembled to the fixing device;

Figure 7 is a perspective view showing the electronic device being positioned in the fixing device;

Figure 8 is a perspective view showing the sliding member of the sliding seat of the guiding seat;

Figure 9 is a perspective view showing the slider in the limiting slot of the guiding seat;

Figure 10 is a perspective view showing the fixing device capable of fixing an electronic device having a different thickness;

Figure 11 is a front elevational view showing the second first bump, the fourth second bump, and a top block abutting against a mounting area, and the two clamping blocks abutting the mounting area;

Figure 12 is a perspective view showing another embodiment of the fixing member; and

Figure 13 is a perspective view showing a fixing device including the fixing member in combination with a casing, a circuit board, an electronic device and an electrical connector.

11‧‧‧Shell

12‧‧‧ boards

121‧‧‧Installation area

122‧‧‧First slotting

123‧‧‧Second slotting

13‧‧‧Electronic devices

131‧‧‧Positioning holes

14‧‧‧Electrical connector

4‧‧‧Sliding parts

5‧‧‧Fixed parts

6‧‧‧Connecting parts

7‧‧‧Operating parts

Claims (12)

A fixing device for fixing an electronic device to a circuit board, the electronic device comprising a plurality of positioning holes, the circuit board having a mounting area for presetting the electronic device and two first openings opposite to the two sides of the mounting area a slot, the circuit board further has a second slot for the connector to pass through, and each of the first slots has an elongated shape, and the two first slots are farther away from the end of the second slot than The fixing device includes: a substrate disposed under the circuit board; two guiding seats disposed on opposite sides of the substrate, and each of the guiding seats respectively corresponding to the first a sliding member; two sliding members are slidably disposed on each of the guiding seats, and are partially disposed in the corresponding first slot; two fixing members are respectively connected to the sliding members and are located corresponding to the first slot Above the slot, each of the fixing members includes a protruding post and a retaining wall that is connected to the protruding post. The protruding posts of the two fixing members protrude toward each other, and when the electronic device is located in the mounting area, the two The fixing member can move along with each of the sliding members, and each of the protruding posts Positioning holes corresponding to the electronic device, and the blocking walls of the two fixing members sandwich the electronic device; a connecting member connecting the substrate and located between the two guiding seats; and engaging the connecting member The operating member is located above the circuit board and is movable in the second slot through the connecting member. The fixing device according to claim 1, wherein the operating member includes a pushing portion, and the electronic device is clamped at a retaining wall of the two fixing members When the fixing is fixed, the pushing portion is in contact with the electronic device. The fixing device according to claim 2, wherein the connecting member comprises a top block and at least one hook connected to the top block; the operating member further comprises a plate portion, and a plate portion is inserted through the plate portion The card slot of the two hooks is a hand-held portion connected to a push block. The fixing device according to claim 1, wherein the connecting member comprises a top block and at least one hook connected to the top block; the operating member further comprises a plate portion extending through the plate portion The card slot of the two hooks is a hand-held portion connected to the pushing portion. The fixing device of claim 3 or 4, wherein each of the guiding seats has a limiting slot, the limiting slot is defined by a first bump and two second bumps, the first The bumps, the second bumps and the top block abut against the mounting area; the operating member further includes two clamping blocks, and the two clamping blocks of the operating member abut against the mounting area. The fixing device according to claim 1 or 4, wherein each of the guiding seats has a sliding rail and a limiting slot, each sliding member has a base slidable along the sliding rail, and a base And a connecting portion that is coupled to the limiting slot, and a connecting rod protruding upward from the base, wherein each connecting rod is disposed through the corresponding first slot. The fixing device according to claim 6, wherein each of the connecting rods has a flange to abut against the corresponding fixing members. The fixing device according to claim 7, wherein each of the fixing members further comprises a connecting portion connected to the protruding post, each connecting portion having the blocking wall, a bottom wall perpendicular to the blocking wall, and a bottom wall Cooperate with the connecting rod The card hole is used to clamp the connecting rod. The fixing device according to claim 1, wherein each of the guiding seats has a sliding rail and a limiting slot, and each sliding member has a base slidable along the sliding rail and is connected to the base. a positioning portion matched with the limiting slot, and a connecting rod protruding upward from the base, each connecting rod is disposed in each of the corresponding first slots; the connecting member comprises a top block, each of the connecting blocks The limiting slot is defined by a first bump and a second bump, and the first bump, the second bump and a top block abut against the mounting area; the operating member further includes two clips And the two clamping members of the operating member abut against the mounting area. A fixing device for fixing an electronic device to a circuit board, the electronic device comprising a plurality of positioning holes, the circuit board having a mounting area for presetting the electronic device and two first openings opposite to the two sides of the mounting area The fixing device includes: a substrate disposed under the circuit board; two guiding seats disposed on opposite sides of the substrate, and each of the guiding seats corresponding to each of the first slots, each of the guiding seats The utility model has a sliding rail and a limiting slot, each sliding member has a base slidable along the sliding rail, a positioning portion connected to the base and cooperating with the limiting slot, and a convex portion upwardly supported by the base a connecting rod; two sliding members are slidably disposed on each of the guiding seats, and are partially disposed in the corresponding first slot, wherein each connecting rod is disposed through the corresponding first one Slotting; and two fixing members respectively connecting the sliding members and corresponding to the Above the first slot, each of the fixing members includes a protruding post and a retaining wall that is connected to the protruding post. The protruding posts of the two fixing members protrude toward each other, and when the electronic device is located in the mounting area, the The two fixing members are movable relative to each of the sliding members, so that the protruding posts are placed in corresponding positioning holes of the electronic device, and the blocking walls of the two fixing members sandwich the electronic device. The fixing device according to claim 10, wherein each of the connecting rods has a flange to abut against the corresponding fixing members. The fixing device of claim 11, wherein each of the fixing members further comprises a connecting portion connected to the protruding post, each connecting portion having the blocking wall, a bottom wall perpendicular to the blocking wall, and a bottom wall a card hole that cooperates with the connecting rod to chuck the connecting rod.