TWI761822B - Hook fixing mechanism and expansion card fixing device - Google Patents

Abstract

A hook fixing mechanism includes a fixing frame, a first hook and a second hook. The first hook is rotatably arranged on the fixing frame, the first end of the first hook protrudes from the fixing frame, and the second end of the first hook is movably snapped on the fixing frame. The second hook is rotatably arranged on the fixing frame, the third end of the second hook protrudes from the fixing frame, and the fourth end of the second hook hooks against the first hook. The invention also relates to an expansion card fixing device adopting the hook fixing mechanism. The hook fixing device can better fix the expansion card when docking with other structures, and can avoid the expansion card from being offset.

Description

Hook fixing mechanism and expansion card fixing device

The invention relates to the technical field of fixing devices, in particular to a hook fixing mechanism and an expansion card fixing device.

When fixing the expansion card in the existing fixing device, the way usually adopted is to fix one side of the expansion card in the mounting frame, so as to realize the fixing of the expansion card. When connecting the connector to the expansion card in the mounting bracket, one side of the expansion card is fixed so that there is no offset. However, when the connector is inserted into the expansion card, the opposite side where the expansion card is fixed will tilt forward, so that the connector and the expansion card cannot be accurately docked, thereby affecting the signal transmission between the connector and the expansion card.

In view of this, it is necessary to provide a hook fixing mechanism and an expansion card fixing device, which aim to better fix the expansion card and prevent the expansion card from tilting forward when the connector is docked.

A hook fixing mechanism is used to be fastened on a mounting frame to fix an expansion card, the hook fixing mechanism comprises: a fixing frame; a first hook, the first hook is rotatably arranged on the fixing frame, the first end of the first hook protrudes out of the fixing frame, the second end of the first hook A movable clip is fastened on the fixing frame; a second hook, the second hook is rotatably arranged on the fixing frame, and the third end of the second hook protrudes out of the fixing frame the fourth end of the second hook abuts on the first hook; the hook fixing mechanism further includes an elastic piece, two ends of the elastic piece are respectively connected to the fixing frame and the The second hook is on; when the second end is released from the fixing frame, the first hook rotates, and the elastic member can drive the second hook to rotate through the restoring force.

In at least one embodiment, the first hook extends at the position of the first end with a first abutting part and a second abutting part, the first abutting part and the second abutting part There is a groove between the parts, the fixing frame is provided with a first through hole, the first abutting part protrudes out of the fixing frame from the first through hole, and the second abutting part is located at Outside the fixing frame, part of the fixing frame is located in the groove.

In at least one embodiment, the first end is rotatably disposed on the fixing frame, and when the first hook is rotated, the first abutting portion and the second abutting portion wrap around the fixing frame. The fixed frame in the groove rotates.

In at least one embodiment, the fixing frame is provided with a first positioning column, the first positioning column is located on the side of the first end, and the first positioning column is used to define the first end Keep turning.

In at least one embodiment, the second end is provided with a hook portion, the fixing frame is provided with a second positioning column, and the hook portion is movably buckled on the second positioning column.

In at least one embodiment, a third abutting portion extends from the second hook at the position of the third end, a second through hole is formed on the fixing frame, and the third abutting portion extends from the position of the third end. The second through hole protrudes out of the fixing frame.

In at least one embodiment, a third positioning column is further provided on the fixing frame, and the third positioning column is used to limit the second hook to continue to rotate.

An expansion card fixing device, the fixing device includes an installation frame and a hook fixing mechanism, the expansion card is accommodated in the hook fixing mechanism, the hook fixing mechanism is accommodated in the mounting frame, and the hook fixing mechanism The mechanism is any one of the hook fixing mechanisms described above.

In at least one embodiment, the mounting bracket is provided with a third through hole and a fourth through hole, the first end is located in the third through hole and abuts on the mounting bracket, the third through hole is The end is located in the fourth through hole and abuts on the mounting frame, so as to fix the expansion card in the mounting frame.

The hook fixing mechanism provided above is simultaneously pressed against the mounting frame by the first hook and the second hook, so as to fix the expansion card. After the opposite sides of the expansion card are fixed, when the connector is inserted into the expansion card, the expansion card is fixed more firmly, thereby avoiding the situation that the expansion card is offset.

100: Expansion card holder

1: Hook fixing mechanism

10: Fixing frame

11: Fixed plate

111: The first positioning column

112: Second positioning column

113: The third positioning column

114: The first fixed part

12: The first fixed side plate

121: first through hole

13: Second fixed side panel

131: second through hole

20: The first card hook

21: The first connection part

22: The first resistance department

23: Second Resistance Department

24: Groove

25: Hook part

26: The first reel

A: The first end

B: second end

30: Second hook

31: Second connecting part

311: First straight segment

312: Second straight segment

32: The third resistance department

33: The second reel

34: Second fixed part

A': the third end

B': Fourth end

40: elastic parts

2: Mounting bracket

51: Mounting plate

52: The first installation side plate

521: third through hole

53: Second installation side plate

531: Fourth through hole

3: Expansion card

4: Connector

FIG. 1 is a three-dimensional schematic diagram of a hook fixing mechanism in an embodiment.

FIG. 2 is a schematic front view of the hook fixing mechanism.

FIG. 3 is a schematic diagram of the rotation of the first hook and the second hook in the hook fixing mechanism shown in FIG. 2 .

FIG. 4 is a schematic perspective view of an expansion card fixing device in another embodiment.

FIG. 5 is a schematic perspective view of the mounting bracket shown in FIG. 4 .

FIG. 6 is a schematic diagram of the docking of the expansion card and the connector in the expansion card fixing device.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "top," "bottom," "top," "bottom," "left," "right," "front," "back," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

The present application provides a hook fixing mechanism, which is used for fixing an expansion card on an installation frame. The hook fixing mechanism includes a fixing frame, a first hook and a second hook. The first hook is rotatably arranged on the fixing frame, the first end of the first hook protrudes out of the fixing frame, and the second end of the first hook is movably buckled on the mount. The second hook is rotatably arranged on the fixing frame, the third end of the second hook protrudes out of the fixing frame, and the fourth end of the second hook abuts against the fixing frame The first card is hooked.

By using the above hook fixing mechanism, both ends of the expansion card can be fixed, and when the expansion card is docked with a mechanism such as a connector, the docking can be more stable, so that information can be transmitted more stably.

Some embodiments of the present application will be described in detail below, and the following embodiments, ie, the features of the embodiments, may be combined with each other if there is no conflict.

Referring to FIG. 1 and FIG. 2 , in one embodiment, a hook fixing mechanism 1 is provided, which is used for fixing an expansion card on a mounting frame to fix the expansion card. The hook fixing mechanism 1 includes a fixing frame 10, a first The hook 20 and the second hook 30. The first hook 20 is rotatably disposed on the fixing frame 10 , the first end A of the first hook 20 protrudes out of the fixing frame 10 , the second The end B is movably buckled on the fixing frame 10 . The second hook 30 is rotatably disposed on the fixing frame 10 , the third end A′ of the second hook 30 protrudes out of the fixing frame 10 , and the third end A′ of the second hook 30 protrudes out of the fixing frame 10 . The four ends B' abut against the first hook 20 .

Referring to FIG. 1 , the fixing frame 10 includes a fixing plate 11 , a first fixing side plate 12 and a second fixing side plate 13 . The fixed plate 11 is a rectangular parallelepiped plate, the first fixed side plate 12 and the second fixed side plate 13 are disposed on opposite sides of the fixed plate 11 , and the first fixed side plate 12 and the second fixed side plate 13 The fixed side plates 13 are respectively arranged substantially perpendicular to the fixed plates 11 to form a receiving space for receiving expansion cards. The first hook 20 and the second hook 30 are generally disposed at the end positions of the fixing plate 11 .

It can be understood that, in other embodiments, the fixing plate 11 , the first fixing side plate 12 and the second fixing side plate 13 may be integrally formed. Second, the shape of the fixing frame 10 can be replaced according to the outline of the expansion card, so that the fixing frame 10 can be adapted to different expansion cards, thereby increasing the versatility of the hook fixing mechanism 1 .

The fixing plate 11 is provided with a first positioning column 111 , a second positioning column 112 and a third positioning column 113 . The first positioning column 111 , the second positioning column 112 and the third positioning column 113 are provided. on the side of the fixing board 11 close to the expansion card. The first positioning column 111 is located on the side of the first end A, and is used to limit the first end A to continue to rotate. The second positioning post 112 is used for matching with the first hook 20 , and the second end B of the first hook 20 is movably clipped on the second positioning post 112 . The third positioning column 113 is disposed on the side of the second hook 30 to limit the second hook 30 to continue to rotate.

Please refer to FIG. 1 and FIG. 2 , in order to better describe the relationship between the structures, the fixing frame 10 will be described in combination with the orientations of up, down, left and right. The first fixed side plate 12 is provided with a right end. In the first through hole 121 , the first end A of the first hook 20 can protrude from the first through hole 121 .

The second fixed side plate 13 has a second through hole 131 at the right end, and the third end A' of the second hook can protrude from the second through hole 131 .

Please refer to FIG. 2 , the first hook 20 includes a first connecting portion 21 , the first end A and the second end B are opposite ends of the first connecting portion 21 , the first connecting portion 21 is The portion 21 is arranged substantially parallel to the fixing plate 11 . The first hook 20 further includes a first abutting portion 22, a second abutting portion 23 and a hook portion 25, and the first abutting portion 22 and the second abutting portion 23 are disposed on the first abutting portion 22 and the second abutting portion 23. At the position of one end A, the hook portion 25 is set at the position of the second end B. In one embodiment, part of the first connecting part 21 and part of the hook part 25 are located outside the fixing frame 10 , so that the hook part 25 can be better operated. It can be understood that, only part of the hook portion 25 may be located on the outer side of the fixing frame 10 to better protect the first connecting portion 21 .

Specifically, the first resisting portion 22 and the second resisting portion 23 are located at the ends of the first connecting portion 21 , and the first resisting portion 22 and the second resisting portion 23 There are grooves 24 therebetween. The first abutting portion 22 protrudes from the first through hole 121 from the first fixed side plate 12 , the second abutting portion 23 is located outside the first fixed side plate 12 , and part of the first fixed side plate 12 is located within said groove 24 . That is, the first abutting portion 22 and the second abutting portion 23 form the groove 24 , and the first end A of the first hook 20 is fastened to the first side of the first fixed side plate 12 at the position of the through hole 121 .

It can be understood that, in other embodiments, the first connecting portion 21 , the first resisting portion 22 and the second resisting portion 23 may be integrally formed. When forming the first connecting portion 21, the groove is formed at the position of the first end A thereof.

The hook portion 25 is substantially perpendicular to the first connecting portion 21 , and further, the hook portion 25 is movably fastened to the second positioning post 112 , so that the first hook 20 is fixed relative to the fixing frame 10 . By operating the hook portion 25 , the hook portion 25 can be separated from the second positioning post 112 .

It can be understood that, in order to operate the hook portion 25 to be separated from the second positioning post 112 , the hook portion 25 may be slightly offset relative to the first connection portion 21 , so that all The hook portion 25 can be smoothly separated from the second positioning post 112 .

A first rotating shaft 26 is provided at the position of the first hook 20 approximately at the first end A, and the first rotating shaft 26 is fixed on the first connecting portion 21 and the fixing plate 11 so that the The first connecting portion 21 can rotate relative to the fixing plate 11 .

The first positioning post 111 is disposed on the side of the first connecting portion 21 and close to the first end A. The hook portion 25 is separated from the second positioning post 112 , the first connecting portion 21 is rotated, and the first positioning post 111 can abut against the edge of the first end A to avoid the first As the hook 20 continues to rotate, it may be separated from the fixing frame 10 .

It can be understood that the rotation of the first connecting portion 21 can drive the first resisting portion 22 and the second resisting portion 23 to rotate. The first abutting portion 22 and the second abutting portion 23 rotate around a portion of the first fixed side plate 12 located in the groove 24 . If the lengths of the first abutting portion 22 and the second abutting portion 23 are greater than the diameter of the first through hole 121 , the first abutting portion 22 and the second abutting portion 23 The first fixed side plate 12 can be held against it, and the first positioning column 111 can be canceled.

Please refer to FIG. 2 , the second hook 30 is disposed on the left side of the first hook 20 , and the second hook 30 includes a second connecting portion 31 , the third section A′ and the first hook 31 . The four ends B′ are the two ends of the second connecting portion 31 , and the second connecting portion 31 is substantially parallel to the fixing plate 11 . The second hook further includes a third abutting portion 32, and the third abutting portion is disposed at the third end A'.

Specifically, the second connecting portion 31 includes a first straight section 311 and a second straight section 312 connected to the first straight section 311 . The angle between the first straight section 311 and the second straight section 312 is an obtuse angle. The third end A' is the end of the first straight section 311 , and the fourth end B' is the end of the second straight section 312 .

The third abutting portion 32 is located at an end of the first straight section 311 , and the third abutting portion 32 protrudes out of the second fixing side plate 13 from the second through hole 131 .

The end of the second straight section 312 is pressed against the first hook 20 , and further, the fourth end B' is pressed against the first connecting portion 21 .

It can be understood that, in other embodiments, the first straight section 311 , the second straight section 312 and the third abutting portion 32 may be integrally formed. In order to make the manufacture of the second hook 30 easier.

A second rotating shaft 33 is disposed on the second hook 30 , and the second rotating shaft 33 is fixed on the first straight section 311 and the fixing plate 11 , so that the second connecting portion 31 can Rotate relative to the fixed plate 11 .

The third positioning post 113 is disposed between the first hook 20 and the second hook 30 , and the third positioning post 113 is located between the first straight section 311 and the second flat section 311 . between the included angles of the straight sections 312 . When the second connecting portion 31 rotates, the third positioning post 113 can press against the second connecting portion 31 to prevent the second connecting portion 31 from rotating at an excessively large angle, which can no longer bear against the second connecting portion 31 in the future. on the first hook 20 .

Referring to FIG. 2 , the hook fixing mechanism 1 further includes an elastic member 40 , two ends of the elastic member 40 are respectively connected to the fixing frame 10 and the second hook 30 . When the second end B is separated from the fixing frame 10 , the first hook 20 rotates, and the elastic member 40 can drive the second hook 30 to rotate through the restoring force.

Specifically, in one embodiment, the elastic member 40 is a spring. It can be understood that, in other embodiments, the elastic member 40 can also be replaced with other structures having the same function or effect, such as a torsion spring.

The fixing plate 11 is provided with a first fixing portion 114 , and the side of the second hook 30 is provided with a second fixing portion 34 . The second fixing portion 34 is generally disposed at the position of the third end A′, and is disposed on the left side of the third end A′, and the first fixing portion 114 is located at the lower end of the second fixing portion 34 . Place Two ends of the elastic member 40 are respectively connected to the first fixing portion 114 and the second fixing portion 34 . When the hook portion 25 is hooked on the second positioning post 112 , the elastic member 40 is in a stretched state, so that the elastic member 40 has a certain restoring force. After the hook portion 25 is separated from the second positioning post 112 , the elastic member 40 can drive the second hook 30 to rotate through its own restoring force. This arrangement can increase the linkage of the hook fixing mechanism 1 , so that when the first hook 20 is operated, the second hook 30 can produce a corresponding action change.

It can be understood that, in other embodiments, the first fixing portion 114 may be formed together with the fixing frame 10 when the fixing frame 10 is formed. The second fixing portion 34 can also be integrally formed with the second connecting portion 31 .

Please refer to FIG. 2 and FIG. 3 again, when the hook portion 25 is hooked on the second positioning post 112 , the first abutting portion 22 and the second abutting portion 23 are connected to the second positioning post 112 . A fixed side panel 12 is substantially vertical. The third abutting portion 32 is substantially perpendicular to the second fixed side plate 13 . The fourth end B' of the second hook 30 is pressed against the first connecting portion 21, and the elastic member 40 is in a stretched state.

When the hook portion 25 is operated so that the hook portion 25 is separated from the second positioning post 112 , the first connecting portion 21 rotates clockwise around the first rotating shaft 26 , and the first contact The part 22 and the second abutting part 23 also rotate accordingly. At this time, the fourth end B′ of the second hook 30 no longer bears on the first connecting portion 21 , and the elastic member 40 drives the second hook 30 to revolve around the second shaft 33 Turn counterclockwise. The third abutting portion 32 no longer protrudes out of the second fixing side plate 13 , as shown in FIG. 3 .

Referring to FIG. 4 , FIG. 5 and FIG. 6 , in another embodiment, an expansion card fixing device 100 is provided. The expansion card fixing device 100 includes the above-mentioned hook fixing mechanism 1 and an installation frame 2 . The expansion card 3 is accommodated in the hook fixing mechanism 1 , and the hook fixing mechanism 1 is accommodated in the installation frame 2 .

The structure of the mounting frame 2 is similar to that of the fixing frame 10 . Specifically, the mounting frame 2 includes two mounting plates 51 , a first mounting side plate 52 and a second mounting side plate 53 . the mounting plate 51 It is roughly a rectangular parallelepiped plate, and the two mounting plates 51 are arranged in parallel. The first installation side plate 52 and the second installation side plate 53 are disposed on opposite sides of the installation plate 51 , and the first installation side plate 52 and the second installation side plate 53 are respectively connected to the installation plate 51 . It is arranged substantially vertically to form a box structure for accommodating the fixing frame 10 .

Further, the mounting plate 51 is arranged parallel to the fixing plate 11 , the first mounting side plate 52 is arranged substantially parallel to the first fixing side plate 12 , and the second mounting side plate 53 is arranged parallel to the second fixing side plate 13 Set roughly in parallel.

The first mounting side plate 52 is provided with a third through hole 521 at a position corresponding to the first through hole 121 , so that the first abutting portion 22 can protrude from the third through hole 521 out of the first installation side plate 52 . The second abutting portion 23 is located outside the first installation side plate 52 , and a part of the first installation side plate 52 is located in the groove 24 . Further, the first abutting portion 22 and the second abutting portion 23 abut against the sidewall of the third through hole 521 , so that the first hook 20 can hold the expansion card 3 fixed on one side. The first abutting portion 22 and the second abutting portion 23 can also rotate around a portion of the first mounting side plate 52 located in the groove 24 .

The second mounting side plate 53 defines a fourth through hole 531 at a position corresponding to the second through hole 131 , and the third abutting portion 32 can protrude from the fourth through hole 531 . Outside the second mounting side plate 53 , the third abutting portion 32 abuts on the side wall of the fourth through hole 531 . So that the other side of the expansion card 3 can be fixed in the mounting bracket 2 .

In a specific embodiment, a plurality of the hook fixing mechanisms 1 can be set in the mounting rack 2 at the same time, so that the mounting rack 2 can accommodate a plurality of the expansion cards 3 at the same time. The card 3 can be connected to the connector 4 . The specific quantity of the hook fixing mechanisms 1 provided in the mounting frame 2 can be set according to actual needs.

To disassemble the expansion card 3 located in the hook fixing mechanism 1 from the mounting frame 2 . By operating the hook portion 25 , the hook portion 25 can be separated from the second positioning post 112 . The action changes of the first hook 20 and the second hook 30 are described above, and are not repeated here. Repeat. The first hook 20 and the second hook 30 no longer abut against the mounting frame 2 , and the hook fixing mechanism 1 provided with the expansion card 3 can be detached from the mounting frame 2 .

It can be understood that the expansion card 3 can be fixed with the hook fixing mechanism 1 by screws or other fixing structures, and then installed into the mounting frame 2 . The expansion card 3 can be a memory or a controller.

Please refer to FIG. 6 again, after the expansion card 3 is fixed in the expansion card fixing device 100 , when the expansion card 3 is docked with the connector 4 , the connector 4 is connected to the expansion card 3 . When inserted, the expansion card 3 is fixed at both the upper and lower ends. Thereby, the phenomenon of forward leaning can be avoided.

To sum up, the embodiment of the present application provides a hook fixing mechanism 1 and an expansion card fixing device 100. After the expansion card 3 is fixed in the hook fixing mechanism 1, the hook fixing mechanism 1 is arranged in the inside the mounting frame 2 . The first hook 20 and the second hook 30 are pressed against the mounting bracket 2 at the same time, so that when the connector 4 is inserted into the expansion card 3 , the expansion card 3 is stable located in the mounting frame 2 . By adopting the above-mentioned hook fixing mechanism 1 and expansion card fixing device 100, the expansion card 3 is more stable when docked with the connector 4, and the transmission of information is better ensured. The hook fixing mechanism 1 has a simple structure, Easy to use.

In addition, those skilled in the art should realize that the above embodiments are only used to illustrate the present invention, not to limit the present invention. Appropriate modifications and variations of the present invention fall within the scope of the claimed invention.

1: Hook fixing mechanism

10: Fixing frame

11: Fixed plate

111: The first positioning column

112: Second positioning column

113: The third positioning column

114: The first fixed part

12: The first fixed side plate

121: first through hole

13: Second fixed side panel

131: second through hole

20: The first card hook

21: The first connection part

22: The first resistance department

23: Second Resistance Department

24: Groove

25: Hook part

26: The first reel

A: The first end

B: second end

30: Second hook

31: Second connecting part

311: First straight segment

312: Second straight segment

32: The third resistance department

33: The second reel

34: Second fixed part

A': the third end

B': Fourth end

40: elastic parts

Claims (9)

A hook fixing mechanism is used to be fastened on a mounting frame to fix an expansion card, wherein the hook fixing mechanism comprises: a fixing frame; a first hook, the first hook is rotatably arranged on the On the fixing frame, the first end of the first hook protrudes out of the fixing frame, and the second end of the first hook is movably buckled on the fixing frame; the second hook, so The second hook is rotatably arranged on the fixing frame, the third end of the second hook protrudes out of the fixing frame, and the fourth end of the second hook abuts against the first hook. a hook; the hook fixing mechanism further includes an elastic member, two ends of the elastic member are respectively connected to the fixing frame and the second hook; when the second end is separated from the fixing frame , the first hook rotates, and the elastic member can drive the second hook to rotate through the restoring force. The hook fixing mechanism according to claim 1, wherein a first abutting portion and a second abutting portion extend from the first hook at the position of the first end, and the first abutting portion There is a groove between the second abutting part and the second abutting part, a first through hole is opened on the fixing frame, and the first abutting part protrudes out of the fixing frame from the first through hole, so The second abutting portion is located outside the fixing frame, and part of the fixing frame is located in the groove. The hook fixing mechanism according to claim 2, wherein the first end is rotatably arranged on the fixing frame, and when the first hook is rotated, the first abutting portion and the The second abutting portion rotates around the fixing frame in the groove. The hook fixing mechanism according to claim 3, wherein the fixing frame is provided with a first positioning column, the first positioning column is located on the side of the first end, and the first positioning column is used for Continue to rotate within the bounds of the first end. The hook fixing mechanism according to claim 1, wherein the second end is provided with a hook portion, the fixing frame is provided with a second positioning column, and the hook portion is movably hooked to the hook portion. on the second positioning column. The hook fixing mechanism according to claim 1, wherein a third abutting portion extends from the second hook at the position of the third end, the fixing frame is provided with a second through hole, and the The third abutting portion protrudes out of the fixing frame from the second through hole. The hook fixing mechanism according to claim 1, wherein the fixing frame is further provided with a third positioning column, and the third positioning column is used to limit the second hook to continue to rotate. An expansion card fixing device, wherein the fixing device includes an installation frame and a hook fixing mechanism, the expansion card is accommodated in the hook fixing mechanism, the hook fixing mechanism is accommodated in the installation frame, and the card The hook fixing mechanism is the hook fixing mechanism described in any one of Claims 1 to 7. The expansion card fixing device according to claim 8, wherein the mounting bracket is provided with a third through hole and a fourth through hole, and the first end is located in the third through hole and abuts against the mounting The third end is located in the fourth through hole and abuts on the installation frame, so as to fix the expansion card in the installation frame.

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