TW201515549A - Mounting apparatus for expansion piece - Google Patents

Abstract

A mounting apparatus is used to a mount an expansion piece on a plate of an enclosure. The mounting apparatus includes a pressing member, a sliding member, a mounting member and a connecting member. The sliding member is movable between a first position and a second position. In the first position, the sliding member prevents the pressing member from rotating away from the expansion piece to secure the expansion piece to the plate. In the second position, the sliding member allows the pressing member to rotate away from the expansion piece to dismount the expansion piece. The rotating member includes a stopping portion. The connecting member includes a limiting portion matched with the stopping portion. The limiting portion on the connecting member is used to movably mount the rotating member to the connecting member. The rotating member can move between an initial position where the stopping portion abuts the limiting portion and a working position where the stopping portion is away from the limiting portion. When the rotating member is located in the initial position, the rotating member is deviated from the sliding member. When the rotating member is located in the working position, the rotating member is located on the sliding member and capable of driving the sliding member to move between the first position and the second position when the rotating member is rotated.

Description

Expansion card blank fixing device

The invention relates to a fixing device, in particular to an expansion card blank fixing device.

Various types of expansion cards (such as sound cards, network cards, etc.) that comply with the PCI (Peripheral Component Interconnect) standard are widely used in various electronic devices. The expansion card is connected to the electronic device through the insertion of the pin into the PCI slot of the electronic device, and the installation of the expansion card in the electronic device is realized. However, the stability of the installation method is poor, and the expansion card is prone to loosening. To prevent the expansion card from loosening, a metal blank is usually fixed on the side of the expansion card. After the expansion card is inserted into the corresponding expansion card slot on the motherboard, the metal cover of the expansion card is fixed to the computer casing. Therefore, it can be guaranteed that the expansion card will not fall off during the process of moving the computer or the computer is accidentally impacted, and still maintains a good electrical connection relationship with the computer motherboard.

Conventional expansion card blanks are usually pressed onto the pressing plate, and the pressing plate is fixed to the computer casing by screws to fix the expansion card blank. In this method, the plurality of expansion card retaining sheets can be fixed at one time, but the screws need to be attached and detached, which is inconvenient to operate.

In view of the above, it is necessary to provide a fixing device that can easily fix the expansion card blank.

An expansion card blank fixing device for fixing a blocking piece connected to an expansion card to a plate body of a casing, the expansion card blank fixing device comprising a pressing member mounted on the plate body and a sliding member, the sliding member is configured to block the pressing member from rotating relative to the plate body to fix the first position of the blocking piece and to allow the pressing member to rotate relative to the plate body to be detached Moving between the second positions of the flap, the expansion card fixing device further includes a rotating member, a mounting member fixed to the board body, and a connecting member fixed to the mounting member, The rotating member is provided with a stopping portion, and the connecting member is provided with a limiting portion that cooperates with the stopping portion to movably mount the rotating member on the connecting member; the rotating member can be used in one The initial position of the stopping portion abutting against the limiting portion and the working position of the stopping portion away from the limiting portion, when the rotating member is located at the initial position, The rotating member is offset from the sliding member, and when the rotating member is in the working position, the turning Located on the slide member and, when rotational energy to drive the slider between said first position and the second position of the slide.

Compared with the prior art, the rotating member of the expansion card blank fixing device can be moved between an initial position away from the sliding member and a working position on the sliding member, and can be driven by rotating the rotating member in the working position. The slider moves back and forth to block the pressing member from rotating relative to the board to fix the expansion card bracket to the board or to allow the pressing member to rotate relative to the board to detach the card holder from the board. The structure is simple and the operation is convenient.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded perspective view of a preferred embodiment of an expansion card blank securing device of the present invention.

Figure 2 is an exploded perspective view of another angle of Figure 1.

Figure 3 is an exploded perspective view of the rotating member, the connecting member and the mounting member of Figure 1.

Figure 4 is a perspective view of the connector of Figure 1 at another angle.

Figure 5 is an assembled, isometric view of Figure 1 with the rotating member in an initial position.

Figure 6 is an assembled, isometric view of another angle of Figure 5.

Figure 7 is a cross-sectional view taken along line VII-VII of Figure 5.

Figure 8 is an assembled, isometric view of Figure 1 with the rotating member in a working position.

Figure 9 is an assembled, isometric view of Figure 8 with the abutment member positioned away from the support sheet.

Figure 10 is a cross-sectional view taken along line X-X of Figure 8.

Referring to FIG. 1-2, in an embodiment of the present invention, an expansion card blank fixing device is used for fixing a plurality of blocking pieces 21 connected to the expansion card 22 to a casing. The casing includes a plate body 10. The expansion card blank fixing device comprises a pressing member 50, a sliding member 30, a rotating member 60, a mounting member 70 and a connecting member 80.

The board body 10 is provided with a plurality of adjacent expansion slots 11 , and the upper portion of the expansion slots 11 is bent to form a support piece 12 . The inner side of the plate body 10 is vertically bent at the upper ends of the support piece 12 to form a pair of pivoting pieces 13, and each of the pivoting pieces 13 is provided with a pivot hole 130. The plate body 10 is provided with a pair of receiving grooves 14 and a pair of fixing holes 15 at an upper portion of the supporting piece 12 . The pair of accommodating slots 14 are respectively located on the upper side of the support piece 12 , and the pair of fixing holes 15 are located between the pair of accommodating slots 14 . The pair of receiving slots 14 are opened in a vertical direction, and the pair of fixing holes 15 are opened in a horizontal direction. Each of the fixing holes 15 includes a larger insertion portion 151 and a smaller locking portion 152, and the insertion portion 151 is in communication with the locking portion 152. The plate body 10 further defines a third through hole 17 , and the third through hole 17 is located between the pair of fixing holes 15 . A connecting piece 16 is further protruded from the inner side of the plate body 10. The connecting piece 16 is located on the left side of the left receiving groove 14 and adjacent to the top edge of the plate body 10.

The flap 21 has a substantially "L" shape, and includes a body 212 for inserting into the expansion slot 11 and an end portion 211 bent from a top edge of the body 212.

The pressing member 50 includes a substantially square pressing piece 51, and a rotating shaft 53 is protruded from each side of the pressing piece 51. A guiding piece 52 is vertically connected to both side edges of the pressing piece 51. The guiding piece 52 is substantially arcuate, and includes a wider stopping end 521 connected to the pressing piece 51 and a narrow positioning end 522 extending from the stopping end 521 .

The sliding member 30 includes a substantially rectangular sliding piece 31. The sliding piece 31 has two fixing members 34 protruding from the two fixing holes 15 of the plate body 10. Each fixing member 34 is provided with a head portion 341 and A rod portion 342. The rod portion 342 is connected to the sliding piece 31. The diameter of the head portion 341 is smaller than the size of the insertion portion 151 but larger than the size of the locking portion 152. The diameter of the rod portion 342 is smaller than the size of the locking portion 152. The upper edge of the sliding piece 31 is provided with a trapezoidal notch 35 corresponding to the third through hole 17. The bottom of the recess 35 is a mating portion 32, and the mating portion 32 is convexly provided with a plurality of convex teeth. In an embodiment, the engaging portion 32 is a rack. One side of the sliding piece 31 is vertically bent to form a mounting piece 33, and a mounting post 331 is protruded from the mounting piece. A escaping groove 36 is defined in a lower edge of the sliding piece 31, and the escaping groove 36 is located adjacent to one end of the mounting piece 33.

The expansion card retaining device further includes a first elastic member 41. In an embodiment, the first elastic member 41 is a spring.

Referring to FIG. 3, the rotating member 60 includes a substantially cylindrical fixing portion 61, and the inner side of the fixing portion 61 is internally threaded. A pair of stopping portions 611 (only one of which is shown) are further disposed on the inner side of the fixing portion 61. The pair of stopping portions 611 are equally spaced inside the fixing portion 61 and are located perpendicular to the shaft. On the plane of the 62 axis. A shaft 62 is connected to the axis of the fixing portion 61, and the shaft 62 is located in the fixing portion 61. A driving portion 63 is connected to an end of the shaft 62 protruding from the fixing portion 61. The outer diameter of the driving portion 63 is substantially equal to the shaft 62. The driving portion 63 has a gear shape, and a convex tooth that meshes with the engaging portion 32 is convexly disposed on the outer side. The driving portion 63 is connected to a leading end 64 at the end. The shaft 62, the driving portion 63 and the guiding end 64 are coaxial.

The mounting member 70 has a cylindrical shape and includes a positioning portion 71, a receiving portion 72 and a mounting end 73. The positioning portion 71 is located between the receiving portion 72 and the mounting end 73. The outer side of the positioning portion 71 is provided with an external thread that is engaged with the fixing portion 61. A plurality of fastening portions 75 (only two of which are shown) are disposed on the outer side of the accommodating portion 72. The fastening portions 75 are equally spaced on the accommodating portion 72 and are located perpendicular to the The plane of the axis of the receiving portion 72 is on the plane. The outer diameter of the mounting end 73 is equivalent to the diameter of the third through hole 17. The mounting member 70 defines a second through hole 74 that can receive the shaft 62, the driving portion 63 and the guiding end 64. The second through hole 74 extends through the positioning portion 71, the receiving portion 72 and the mounting portion. End 73.

Referring to FIG. 2-4 , the connecting member 80 includes an elastically deformable pressing portion 81 , a limiting portion 82 , and a connecting portion 83 . The limiting portion 82 is located at the pressing portion 81 and the Between the connecting portions 83. The pressing portion 81 has a cylindrical shape, and the first through hole 811 is defined in the pressing portion 81 corresponding to the second through hole 74. The first through hole 811 is equal in diameter to the second through hole 74. . In an embodiment, the pressing portion 81 is made of a plastic material having a certain elasticity. The connecting portion 83 has a hollow cylindrical shape, and the connecting portion 83 defines a connecting hole 831 communicating with the first through hole 811. The diameter of the connecting hole 831 and the outer diameter of the receiving portion 72 quite. The limiting portion 82 has an annular shape, and the outer diameter is larger than the distance between the pair of stopping portions 611. Four fastening holes 830 corresponding to the fastening portion 75 are respectively formed on the connecting portion 83.

Referring to FIGS. 5-7, when assembled, the head 341 of the fixing member 34 of the slider 30 is aligned with the insertion portion 151, the head portion 341 is passed through the insertion portion 151 and the The rod portion 342 is housed in the insertion portion 151. At the same time, one end of the first elastic member 41 is fixed to the connecting piece 16, and the other end is fixed to the mounting piece 33 by a mounting post 331 by a common fixing method such as fastening. Since the distance between the mounting piece 33 and the connecting piece 16 is smaller than the natural length of the first elastic member 41, the first elastic member 41 generates a parallel to the sliding plate 30 to the plate body 10. The first elastic force pushes the slider 30 to move to a first position in a third direction. In the first position, the rod portion 342 abuts against the edge of the locking portion 152, and the avoidance groove 36 of the sliding piece 31 is offset from the receiving groove 14 of the plate body 10, the sliding The sheet 31 blocks the upper half of a receiving groove 14. At this time, the third through hole 17 is located in the recess 35, and the engaging portion 32 is located below the third through hole 17.

The rotating shaft 53 of the pressing member 50 is pivotally mounted into the pivot hole 130 of the plate body 10. Here, the two guiding pieces 52 of the pressing member 50 are aligned with the corresponding accommodating grooves 14 , and the positioning end 522 penetrates into the lower half of the accommodating groove 14 , and the stopping end 521 is The sliding piece 31 is blocked from entering the receiving groove 14 by the upper half of the receiving groove 14 . Therefore, the pressing member 50 is blocked by the slider 30 and cannot be rotated relative to the plate body 10.

The mounting end 73 is fixed to the third through hole 17 by a common fixing method such as riveting to mount the mounting member 70 on the plate body 10. The connecting portion 83 is sleeved on the outer side of the accommodating portion 72. Here, the locking portion 75 is snapped into the corresponding locking hole 830, thereby fixing the connecting member 80 to the mounting. On piece 70. At this time, the first through hole 811, the second through hole 74, and the third through hole 17 are coaxial.

Aligning the guiding end 64 with the second through hole 74, sequentially sequentially positioning the guiding end 64, the driving portion 63, and the shaft 62 in a first direction perpendicular to the third direction The first through hole 811 extends into the connecting member 80 until the stopping portion 611 is blocked by the limiting portion 82 to prevent the rotating member 60 from continuing to move in the first direction. Pressing the fixing portion 61 in the first direction to elastically deform outwardly, the stopping portion 611 snapping into the side of the limiting portion 82 away from the pressing portion 81 to rotate the portion The member 60 is movably mounted to the connector 80 to movably mount the rotating member 60 to the plate body 10. Here, the fixing portion 61 is sleeved outside the pressing portion 81 , and the pressing portion 81 abuts against the fixing portion 61 away from one end of the limiting portion 82 .

The elastic deformation of the pressing portion 81 generates a spring force in a second direction opposite to the first direction to urge the rotating member 60 to be positioned at an initial position away from the connecting member 80. Here, the stopping portion 611 abuts against the limiting portion 82 to block the rotating member 60 from coming off the connecting member 80 in the second direction. The fixing portion 61 is not in contact with the positioning portion 71. The driving portion 63 is received in the second through hole 74 away from the engaging portion 32, and the guiding end 64 passes through the second through hole. The hole 74 and the third through hole 17 are located on the fitting portion 32.

Referring to FIGS. 8-10, in use, the fixing portion 61 is pressed in a first direction, and the fixing portion 61 is moved relative to the plate body 10 to a working position close to the connecting member 80. Here, the stopper portion 611 is moved to the side of the connecting portion 83 away from the one of the limiting portions 82. The pressing portion 81 is compressed to be elastically deformed, and a second elastic force is generated to the rotating member 60 in a second direction opposite to the first direction. The driving portion 63 protrudes beyond the second through hole 74 and passes through the third through hole 17 . At this time, the driving portion 63 is located on the fitting portion 32 and meshes with the fitting portion 32.

Rotating the rotating member 60 in a second rotational direction, the driving portion 63 driving the engaging portion 32 to move the sliding member 30 in a fourth direction opposite to the third direction until the sliding member 30 reaches a second position. Here, the avoidance groove 36 of the sliding piece 31 is aligned with the receiving groove 14 of the plate body 10. Rotating the pressing member 50 to slide the stopping end 521 into the escaping groove 36 and the accommodating groove 14 , and the hook 37 is fastened to the edge of the pressing piece 51 to make the yoke The pressing member 50 is positioned at a position rotated away from the support piece 12. The first elastic member 41 is elastically deformed by being pressed by the sliding member 30, and generates a first elastic force for the sliding member 30 to cause the sliding member 30 to return to the first position. The sliding member 30 is blocked by the stopping end 521 and cannot be moved back to the first position in the third direction by the first elastic force. At this time, the fixing portion 61 is fixed to the outside of the positioning portion 71 by screwing to block the rotating member 60 from moving in the second direction by the second elastic force. The rotating member 60 returns to the initial position.

The flap 21 is mounted to the expansion slot 11 such that the end portion 211 is placed on the support sheet 12. Rotating the pressing member 50 in the opposite direction causes the stopping end 521 to slide out of the avoiding groove 36 and the receiving groove 14 . At this time, the first elastic force urges the slider 30 to move in the third direction, and the rotating member 60 rotates in a first rotational direction opposite to the second rotational direction until the fixing portion 61 The slider 30 is moved back to the first position away from the positioning portion 71. Here, the rotating member 60 is moved in the second direction by the second elastic force until the rotating member 60 returns to the initial position, and the driving portion 63 is offset from the engaging portion 32 and re-accommodated in the In the second through hole 74. The escaping groove 36 is offset from the accommodating groove 14 , and the stopper end 521 of the pressing member 50 is blocked by the sliding piece 31 to hold the pressing member 50 at a position to press the end portion 211 . The end portion 211 is pressed between the pressing piece 51 and the supporting piece 12 to fix the blocking piece 21 to the supporting piece 12.

When the flap 21 needs to be removed, the above operation is repeated to move the slider 30 to the second position, and the pressing member 50 is rotated until the pressing member 50 no longer presses the end. In the portion 211, the flap 21 can be removed.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧ board

11‧‧‧Expansion slot

12‧‧‧Support film

13‧‧‧ pivoting piece

130‧‧‧ pivot hole

14‧‧‧ accommodating slots

15‧‧‧Fixed holes

151‧‧‧ Insertion Department

152‧‧‧Locking

16‧‧‧Connecting piece

17‧‧‧ third through hole

21‧‧ ‧Flap

211‧‧‧ end

212‧‧‧Ontology

22‧‧‧Expansion card

30‧‧‧Sliding parts

31‧‧‧Slide

32‧‧‧Match Department

33‧‧‧Installation

331‧‧‧Installation column

34‧‧‧Fixed parts

341‧‧‧ head

342‧‧‧ Rod

35‧‧‧ notch

36‧‧‧ avoidance slot

37‧‧‧ hook

41‧‧‧First elastic parts

50‧‧‧Resistance parts

51‧‧‧Repression tablets

52‧‧‧Leading film

521‧‧‧stop end

522‧‧‧ Positioning end

53‧‧‧ shaft

60‧‧‧Rotating parts

61‧‧‧ Fixed Department

611‧‧‧stop

62‧‧‧ shaft

63‧‧‧ Drive Department

64‧‧‧guided end

70‧‧‧Installation

71‧‧‧ Positioning Department

72‧‧‧ 容部

73‧‧‧Installation end

74‧‧‧Second through hole

75‧‧‧Card Department

80‧‧‧Connecting parts

81‧‧‧Resistance Department

811‧‧‧ first through hole

82‧‧‧Limited

83‧‧‧Connecting Department

830‧‧‧Cargukong

no

10‧‧‧ board

11‧‧‧Expansion slot

12‧‧‧Support film

13‧‧‧ pivoting piece

130‧‧‧ pivot hole

16‧‧‧Connecting piece

21‧‧ ‧Flap

22‧‧‧Expansion card

30‧‧‧Sliding parts

31‧‧‧Slide

32‧‧‧Match Department

35‧‧‧ notch

36‧‧‧ avoidance slot

37‧‧‧ hook

41‧‧‧First elastic parts

50‧‧‧Resistance parts

51‧‧‧Repression tablets

52‧‧‧Leading film

521‧‧‧stop end

522‧‧‧ Positioning end

53‧‧‧ shaft

60‧‧‧Rotating parts

70‧‧‧Installation

80‧‧‧Connecting parts

Claims (10)

An expansion card blank fixing device for fixing a blocking piece connected to an expansion card to a plate body of a casing, the expansion card blank fixing device comprising a pressing member mounted on the plate body and a sliding member, the sliding member is configured to block the pressing member from rotating relative to the plate body to fix the first position of the blocking piece and to allow the pressing member to rotate relative to the plate body to be detached Moving between the second positions of the flap, the expansion card fixing device further includes a rotating member, a mounting member fixed to the board body, and a connecting member fixed to the mounting member, The rotating member is provided with a stopping portion, and the connecting member is provided with a limiting portion that cooperates with the stopping portion to movably mount the rotating member on the connecting member; the rotating member can be used in one The initial position of the stopping portion abutting against the limiting portion and the working position of the stopping portion away from the limiting portion, when the rotating member is located at the initial position, The rotating member is offset from the sliding member, and when the rotating member is in the working position, the turning Located on the slide member and, when rotational energy to drive the slider between said first position and the second position of the slide. The expansion card blank fixing device according to claim 1, wherein the stopping portion is protruded from the inner side of the rotating member, and the limiting portion is protruded outside the connecting member when the rotating When the sleeve is sleeved outside the connecting member, the stopping portion is limited to one side of the limiting portion. The expansion card blank fixing device of claim 2, wherein the connecting member comprises an elastically deformable pressing portion, and the pressing portion is coupled to the limiting portion when the rotating member When the sleeve is sleeved outside the connecting member, the pressing portion abuts against the rotating member away from one end of the limiting portion. The expansion card blank fixing device of claim 3, wherein the stopping portion is located at the limiting portion away from the pressing when the rotating member is sleeved outside the connecting member One side of the portion and movable back and forth from the side of the pressing portion away from the pressing portion. The expansion card blank fixing device of claim 3, wherein when the rotating member is in the working position, the rotating member presses the pressing portion, and the pressing portion is elastically deformed. And generating an elastic force that urges the rotating member back to the initial position. The expansion card blank fixing device of claim 5, wherein the mounting member is provided with a positioning portion, and the rotating member is provided with a fixing portion matched with the positioning portion, when the rotating member When in the working position, the fixing portion can be engaged with the positioning portion to block the rotating member from returning to the initial position. The expansion card blank fixing device according to claim 1, wherein a direction in which the rotating member moves between the initial position and the working position is perpendicular to a moving direction of the sliding member. The expansion card blank fixing device of claim 1, wherein the mounting member is provided with a fastening portion, and the connecting member is provided with a fastening hole for engaging with the fastening portion. The fastening portion is snapped into the fastening hole to fix the connecting member to the mounting member; the fastening hole is located at a side of the limiting portion away from the pressing portion. The expansion card blank fixing device according to claim 1, wherein the rotating member includes a driving portion, and the sliding member is provided with a fitting portion that cooperates with the driving portion, when the rotating member is located The driving position drives the engaging portion to drive the sliding member when the working position is rotated relative to the plate body in a first rotating direction or a second rotating direction opposite to the first rotating direction Moving between the first position and the second position. The expansion card blank fixing device according to claim 9, wherein the plate body defines a third through hole corresponding to the driving portion, and the driving portion is when the rotating member is located at the initial position. Deviating from the mating portion and being received in the mounting member; when the rotating member is in the working position, the driving portion protrudes beyond the mounting member and passes through the third through hole to The mating portions are mated.