TW201618654A - Slide rail assembly and bracket device thereof - Google Patents

Abstract

A slide rail assembly includes a rail mounted with a bracket device. The slide rail assembly can be used for mounting to a rack by the bracket device. The bracket device includes a first supporting bracket, a second supporting bracket, a third supporting bracket, a mounting bracket and a connecting member. The first supporting bracket is connected to the rail. The second supporting bracket is movably connected to the first supporting bracket. The second supporting bracket, the third supporting bracket and the mounting bracket are movably connected and supported with each other. The mounting bracket includes a first blocking portion, a second blocking portion and a slot being located between the first blocking portion and the second blocking portion. The connecting member is passed through the slot and is connected to the third supporting bracket.

Description

Slide rail assembly and bracket device thereof

The present invention relates to a slide rail, and more particularly to a bracket assembly for a slide rail assembly that can be adapted to frame sizes of different depths.

In general, in a rack-type servo system, the slide rail assembly usually has a bracket mounted in the front and rear positions, so that the rail assembly can be mounted on the rack by the two brackets ( Two pillars of the rack). Among them, due to the design of the system or other factors, the distance between the two pillars may be different. Therefore, the adjustable bracket becomes the product that is needed on the market. Adjustable brackets of this type are disclosed, for example, in U.S. Patent No. 8,028,965 and U.S. Pat.

The present invention relates to a bracket assembly for a slide rail assembly that can be adapted to frame sizes of different depths.

According to the aspect of the present invention, a bracket device is applied to a rail member of a slide rail assembly, and the bracket device includes a first support frame, a second support frame, a third support frame, and a mounting bracket. And a connector. The first support frame is coupled to the rail member of the slide rail assembly; the second support bracket is movably coupled to the first support bracket; the third support bracket is movably coupled to the second support bracket; the mounting bracket Actively connected to the third support frame, the mounting bracket includes a side plate, a The end plate is connected to the side plate substantially perpendicularly, and at least one mounting member is connected to the end plate. The side plate includes a first blocking portion and a second blocking portion, and a defined between the first blocking portion and the second blocking portion a slot; the connector passes through a slot of the side panel of the mounting bracket and connects the third bracket.

Preferably, the rail assembly of the rail assembly further includes a side that is coupled to the side of the rail member of the rail assembly.

Preferably, the rail member further includes a first blocking portion and a second blocking portion, a slot is defined between the first blocking portion and the second blocking portion of the rail member, and the bracket device further comprises a protruding member. The protruding member passes through the slot of the rail member and connects the second support bracket.

Preferably, the second support frame and the third support frame comprise a corresponding one of the stops.

Preferably, the mounting bracket further includes a first bending portion and a second bending portion respectively connected to two sides of the side plate, and the first bending portion and the second bending portion have a support between the first bending portion and the second bending portion. And a rail member of the rail assembly is disposed in the bracket passage such that the mounting bracket is mounted on the rail member to be displaceable relative to the rail member.

According to another aspect of the present invention, a slide rail assembly includes a rail member having two portions, and a bracket device and another bracket device are respectively mounted on two portions of the rail member, so that the rail assembly is a first column and a second column that can be mounted to a frame, wherein the bracket device comprises a first support frame, a second support frame, a third support frame, a mounting bracket, and A connector. The first support frame is coupled to the rail member of the slide rail assembly; the second support bracket is movably coupled to the first support bracket; the third support bracket is movably coupled to the second support bracket; the mounting bracket Actively connected to the third support frame, the mounting bracket includes a side plate, the one end plate is substantially perpendicularly connected to the side plate, and at least one mounting member is coupled to the end plate, the side plate includes a first blocking portion and a first a second blocking portion defines a slot between the first blocking portion and the second blocking portion; the connecting member passes through a slot of the side plate of the mounting bracket and connects the third supporting frame.

Preferably, the rail member further includes a side, the first support bracket being coupled to the side of the rail member.

Preferably, the rail member further includes a first blocking portion and a second blocking portion, a slot is defined between the first blocking portion and the second blocking portion, and the bracket device further comprises a protruding member, the protruding portion The piece passes through the slot of the rail member and connects the second support frame.

Preferably, the second support frame and the third support frame comprise a corresponding one of the stops.

Preferably, the mounting bracket further includes a first bending portion and a second bending portion respectively connected to two sides of the side plate, and the first bending portion and the second bending portion have a support between the first bending portion and the second bending portion. And a rail member of the rail assembly is disposed in the bracket passage such that the mounting bracket is mounted on the rail member to be displaceable relative to the rail member.

According to another aspect of the present invention, a bracket device is applicable to a rail member of a slide rail assembly, the rail member including an upper wall, a lower wall, and a middle wall extendingly coupled to the upper wall and the lower wall The bracket device includes a first support frame, a second support frame, a third support frame, and a mounting bracket. The first support frame is connected to the wall of the rail member, the first support frame includes an upper wall, a lower wall, and a middle wall extendingly connected between the upper wall and the lower wall, and a first bent portion The upper wall, the lower wall and the middle wall of the first support frame are bent upward from the upper wall and a second bent portion is bent upward from the lower wall and corresponds to the first bent portion The first bending part and the second bending part jointly define a supporting channel; the second supporting frame is located in the supporting channel of the first supporting frame, the second supporting frame comprises an upper wall, a lower wall, and a middle a wall extendingly connected to the upper wall and the lower wall A first bent portion is bent downward from the upper wall, and a second bent portion is bent upward from the lower wall, the upper wall being located adjacent to the support passage of the first support frame a position of the upper wall located at a position adjacent to a lower wall in the support passage of the first support frame, the middle wall being located at a middle wall adjacent to the support passage of the first support frame, The upper wall, the lower wall, the middle wall, the first bent portion, and the second bent portion of the second support frame collectively define a support passage; the third support frame is located in the support passage of the second support frame, the first The third support frame includes a first bent portion, a second bent portion, and a middle wall extendingly connected between the first bent portion and the second bent portion, the first of the third support frame The bent portion is located at an upper wall adjacent to the support channel of the second support frame, and the second bent portion of the third support frame is located at a position adjacent to the lower wall in the support channel of the second support frame; The mounting bracket includes a side plate located adjacent to a middle wall of the third support frame, and an upper wall and a lower wall are respectively connected to the side plate Two sides, a first bent portion is bent downward from the upper wall, and a second bent portion is bent upward from the lower wall, and the side plate, the upper wall and the lower wall of the mounting bracket are common Defining a receiving space for accommodating the first support frame, the second support frame, and the third support frame, wherein a bracket passage is defined between the first bent portion and the second bent portion of the mounting bracket For the rail member to be worn, the first bent portion corresponds to the upper wall of the rail member, and the second bent portion corresponds to the lower wall of the rail member.

Preferably, the middle wall of the rail assembly of the rail assembly further includes a side that is coupled to the side of the wall of the rail member.

Preferably, the rail member further includes a first blocking portion and a second blocking portion, a slot is defined between the first blocking portion and the second blocking portion, and the bracket device further comprises a protruding member, the protruding portion The piece passes through the slot of the rail member and connects the second support frame.

Preferably, the second support frame and the third support frame comprise a corresponding one block segment.

Preferably, the side plate of the mounting bracket further includes a first blocking portion and a second blocking portion, a slot is defined between the first blocking portion and the second blocking portion, and the bracket device further comprises a connecting member The connector passes through the slot of the side panel of the mounting bracket and connects the third bracket.

One of the features of the embodiments of the present invention is that the bracket assembly of the slide rail assembly can be adapted to frame sizes of different depths.

20‧‧‧Slide rail assembly

22‧‧‧ rail parts

24‧‧‧Bracket device

26‧‧‧Another bracket device

28a, 60a‧‧‧ first stop

28b, 60b‧‧‧second stop

30,62‧‧‧ slots

32‧‧‧First support frame

34‧‧‧second support frame

36‧‧‧ Third support frame

38‧‧‧ mounting bracket

40‧‧‧ Positioning parts

42‧‧‧ side

44a, 50a‧‧‧ part one

44b, 50b‧‧‧ part two

46, 52‧‧ ‧ sections

48‧‧‧ protruding parts

54‧‧‧ side panels

56‧‧‧End board

58‧‧‧Installation

64‧‧‧Connecting parts

66a, 70a, 78a, 90a‧‧‧ wall

66b, 70b, 78b, 90b‧‧‧ lower wall

68,72,80,88‧‧‧ middle wall

74a, 82a, 86a, 92a‧‧‧ first bend

74b, 82b, 86b, 92b‧‧‧ second bend

76,84‧‧‧Support channel

94‧‧‧ accommodation space

96‧‧‧ bracket passage

98a‧‧‧first column

98b‧‧‧Second column

D1‧‧‧First distance

D2‧‧‧Second distance

P1, P2, P3, P4‧‧‧ position

1 is a perspective view showing a slide rail assembly including a bracket device according to an embodiment of the present invention; FIG. 2 is an exploded perspective view showing a bracket device according to an embodiment of the present invention; and FIG. 3 is a view showing a bracket device according to an embodiment of the present invention; FIG. 4 is a schematic cross-sectional view showing a line 4-4 of FIG. 1; FIG. 5 is a schematic view showing a slide rail assembly according to an embodiment of the present invention which can be mounted to a frame by means of a bracket device; FIG. 6B is a schematic view showing the mounting bracket of the embodiment of the present invention in a first position with respect to the rail assembly of the embodiment of the present invention; FIG. 6B shows that the mounting bracket of the embodiment of the present invention is adjusted to be displaced to the rail member of the slide rail assembly to FIG. 6C is a schematic view showing the mounting bracket of the embodiment of the present invention being adjusted to be displaced relative to the rail assembly of the slide rail assembly to a third position; FIG. 6D is a view showing the mounting bracket of an embodiment of the present invention; A schematic view of the frame being adjusted to be displaced relative to the rail assembly to a fourth position; and FIG. 7 is a schematic view showing the rail assembly of one embodiment of the present invention being mountable to another frame by means of a bracket arrangement .

It is expected that the structure, features, effects and purposes of the present invention can be more detailed. It is to be understood that the relevant embodiments of the present invention are described in detail below with reference to the drawings.

1 shows a rail assembly 20 in accordance with an embodiment of the present invention including a rail member 22 having two portions (e.g., front and rear) with a bracket assembly 24 and another bracket assembly 26, respectively. . The bracket assembly 24 will be described hereinafter to present features of embodiments of the present invention.

As shown in FIG. 2 and FIG. 3, in a preferred embodiment, the rail member 22 includes a first stop portion 28a and a second stop portion 28b. The first stop portion 28a and the second stop portion 28b are A slot 30 is defined between. The bracket device 24 includes a first support frame 32, a second support frame 34, a third support frame 36, and a mounting bracket 38.

The first support frame 32 is fixedly coupled to the rail member 22, and may be fixedly coupled to a side surface 42 (e.g., the back side) of the rail member 22 by a plurality of positioning members 40, and located adjacent to the rail. The first stop portion 28a of the piece 22. Since the first support frame 32 is fixedly coupled to the rail member 22, the first support frame 32 can be considered to be part of the rail member 22. The first support frame 32 can also be connected to the rail member 22 by other connecting means such as welding, screwing or snapping, and is not limited in implementation.

The second support frame 34 is movably connected to the first support frame 32. The second support frame 34 includes a first portion 44a, a second portion 44b is located opposite to the first portion 44a, and a stop portion 46 is located therein. Between the first portion 44a and the second portion 44b. The first portion 44a is movably connected to the first support frame 32. The second portion 44b is a slot 30 corresponding to the rail member 22, the second portion 44b includes a projection 48 from which the projection 48 can be formed, or, in the present embodiment, The protruding member 48 is represented by a separate member by which a portion of the protruding member 48 is coupled to the second portion 44b through the slot 30 of the rail member 22 such that other portions of the protruding member 48 are constrained to the rail member 22 Between the first blocking portion 28a and the second blocking portion 28b, therefore, the second The support frame 34 is capable of performing a limited adjustment displacement relative to the first support frame 32 according to the stroke of the groove 30. Preferably, the stop 46 is located adjacent the second portion 44b.

The third support frame 36 is movably connected to the second support frame 34. The third support frame 36 includes a first portion 50a, a second portion 50b is located opposite to the first portion 50a, and a stop portion 52 is located therein. Between the first portion 50a and the second portion 50b. The position of the stop 52 is a stop 46 corresponding to the second support frame 34.

The mounting bracket 38 is movably coupled to the third support bracket 36. The mounting bracket 38 includes a side panel 54 that is substantially perpendicularly coupled to the side panel 54 and at least one mounting member 58 coupled thereto. 56. Here, two mounting members 58 are taken as an example. In a preferred embodiment, the side plate 54 further includes a first blocking portion 60a and a second blocking portion 60b. A slot 62 is defined between the first blocking portion 60a and the second blocking portion 60b.

It is worth mentioning that the third support frame 36 comprises a connecting member 64, and the connecting member 64 can be formed from the third supporting frame 36, or, in the embodiment, the connecting member 64 is an independent The member means that a portion of the connecting member 64 is connected to the third supporting frame 36 through the slot 62 of the side plate 54, so that the other portion of the connecting member 64 is restrained at the first blocking portion 60a of the side plate 54 and Between the second blocking portions 60b, the mounting bracket 38 can be adjusted in a limited manner according to the stroke of the slot 62 with respect to the third supporting frame 36.

Figure 4 further shows that the rail member 22 includes an upper wall 66a, a lower wall 66b, and a middle wall 68 extendingly coupled between the upper wall 66a and the lower wall 66b.

The first support frame 32 includes an upper wall 70a, a lower wall 70b, and a middle wall 72 extendingly connected between the upper wall 70a and the lower wall 70b. A first bent portion 74a is bent from the upper wall 70a. Downwardly facing, and a second bent portion 74b is bent upward from the lower wall 70b and corresponds to the first bent portion 74a, wherein the upper wall 70a, the lower wall 70b, the middle wall 72, the first bent portion 74a, and the second bent portion 74b collectively define a support passage 76. In addition, the first support frame 32 is fixedly coupled to the side 42 of the wall 68 of the rail member 22 by the center wall 72.

The second support frame 34 is located in the support channel 76 of the first support frame 32. The second support frame 34 includes an upper wall 78a, a lower wall 78b, and a middle wall 80 extendingly coupled to the upper wall 78a. Between the lower walls 78b, a first bent portion 82a is bent downward from the upper wall 78a, and a second bent portion 82b is bent upward from the lower wall 78b and corresponds to the first bend The portion 82a, the upper wall 78a, the lower wall 78b, the middle wall 80, the first bent portion 82a, and the second bent portion 82b collectively define a support passage 84. The upper wall 78a is further folded back to the upper portion of the adjacent middle wall 80, and is located adjacent to the upper wall 70a in the support passage 76 of the first support frame 32 to form an upper supporting effect. The lower wall 78b is further folded back to the lower portion of the adjacent central wall 80, and is located adjacent to the lower wall 70b in the support passage 76 of the first support frame 32 to form a lower supporting effect. The center wall 80 is located adjacent to the center wall 72 in the support passage 76 of the first support frame 32 to form an intermediate support effect.

The third support frame 36 is located in the support channel 84 of the second support frame 34. The third support frame 36 includes a first bent portion 86a, a second bent portion 86b, and a middle wall 88 extendingly connected. Between the first bent portion 86a and the second bent portion 86b. The first bent portion 86a is bent upward from the middle wall 88 and located adjacent to the upper wall 78a in the support passage 84 of the second support frame 34 to form an upper support effect. The second bent portion 86b is bent downward from the middle wall 88 and located at a position adjacent to the lower wall 78b in the support passage 84 of the second support frame 34 to form a lower supporting effect. The center wall 88 is located adjacent to the side plate 54 of the mounting bracket 38 (that is, the side plate 54 of the mounting bracket 38 is located adjacent to the center wall 88 of the third support frame 36) to form an intermediate support. effect.

The mounting bracket 38 includes an upper wall 90a and a lower wall 90b connected to the two sides of the side plate 54, a first bent portion 92a bent downward from the upper wall 90a, and a second bent portion 92b. The side panel 54, the upper wall 90a, and the lower wall 90b together define a receiving space 94 for receiving the first supporting frame, since the lower wall 90b is bent upward and corresponds to the first bent portion 92a. 32. The second support frame 34 and the third support frame 36. A bracket passage 96 is defined between the first bent portion 92a and the second bent portion 92b for the rail member 22 to be worn. Furthermore, the first bent portion 92a is an upper wall 66a capable of holding the rail member 22, forming an upper supporting effect. The second bent portion 92b is a lower wall 66b capable of holding the rail member 22, and forms a lower supporting effect. Thereby, the mounting bracket 38 has a more stable supporting effect on the displacement of the rail member 22, and the first supporting frame 32, the second supporting frame 34, and/or the third supporting frame 36 are mutually The adjustment displacement between the two also has a more stable support effect.

Figure 5 shows the slide rail assembly 20 mounted to a first post 98a and a second post 98b of a rack by means of the bracket assembly 24 and the other bracket assembly 26. Specifically, when there is a first distance D1 between the first column 98a and the second column 98b, the other bracket device 26 can be mounted to the second column 98b. Alternatively, the mounting bracket 38 of the bracket assembly 24 can be adjusted such that the distance between the mounting bracket 38 of the bracket assembly 24 and the other bracket assembly 26 can be adjusted to accommodate the first distance D1. The mounting bracket 38 is mounted to the first post 98a by means of a mounting member 58.

6A shows the mounting bracket 38 of the bracket assembly 24 in a first position P1 relative to the rail member 22, wherein the connector member 64 is in a second position in the slot 62 adjacent the mounting bracket 38. Part 60b.

6B shows that the mounting bracket 38 is adjusted in one direction (as indicated by the arrow) and is displaced relative to the rail member 22 from the first position P1 to a second position P2, wherein the first stop of the mounting bracket 38 The portion 60a is opposite to the connector 64.

6C shows that the mounting bracket 38 can be adjusted to be displaced from the second position P2 to a third position P3 relative to the rail member 22 according to the user's needs, wherein the third support frame 36 has been connected by the connection. The member 64 is driven so that the stop 52 of the third support frame 36 is opposite to the stop 46 of the second support frame 34.

FIG. 6D shows that the mounting bracket 38 can be further adjusted to be displaced from the third position P3 to a fourth position P4 relative to the rail member 22 according to the needs of the user, wherein the third support frame 36 is The segment 52 is disposed on the stop 46 of the second support frame 34 to drive the second support frame 34, so that the second support frame 34 drives the connecting member 48, so that the connecting member 48 is from the slot 30 of the rail member 22. The first blocking portion 28a is displaced adjacent to the second blocking portion 28b.

Figure 7 shows that when there is a second distance D2 between the first column 98a and the second column 98b, the other bracket device 26 can be mounted to the second column 98b. On the other hand, the mounting bracket 38 of the bracket device 24 can be adjusted to the desired position according to the needs of the user, such that the mounting bracket 38 of the bracket device 24 and the other bracket device 26 are Can be adjusted to accommodate the second distance D2. It can be seen that the present embodiment can be adjusted by the bracket device 24 to meet the frame specifications of different depths, in particular, when the bracket device 24 is adjusted and deployed, the first support frame 32, The second support frame 34, the third support frame 36, the rail member 22, and the mounting bracket 38 also have a continuous supporting effect with each other to ensure unfolded support stability.

While the present invention has been disclosed in the foregoing preferred embodiments, it is not intended to limit the invention, and the scope of the invention is defined by the scope of the appended claims.

20‧‧‧Slide rail assembly

22‧‧‧ rail parts

24‧‧‧Bracket device

26‧‧‧Another bracket device

38‧‧‧ mounting bracket

Claims (15)

A bracket device for a rail member of a slide rail assembly, the bracket device comprising: a first support bracket coupled to the rail member of the slide rail assembly; and a second support bracket movably coupled to a first support frame; a third support frame movably connected to the second support frame; a mounting bracket movably connected to the third support frame, the mounting bracket includes a side plate, and the end plate is substantially vertical Connecting the side panel, the at least one mounting member is connected to the end panel, the side panel includes a first blocking portion and a second blocking portion, a slot is defined between the first blocking portion and the second blocking portion; and a connection a piece that passes through a slot of the side plate of the mounting bracket and connects the third support frame. The cradle device of claim 1, wherein the rail assembly of the rail assembly further comprises a side that is coupled to a side of the rail member of the rail assembly. The bracket device of claim 1, wherein the rail member further comprises a first blocking portion and a second blocking portion, and a slot is defined between the first blocking portion and the second blocking portion of the rail member. The cradle device further includes a protruding member that passes through the slot of the rail member and connects the second bracket. The bracket device of claim 1, wherein the second support frame and the third support frame comprise a corresponding one of the segments. The bracket device of claim 1, wherein the mounting bracket further comprises a first bending portion and a second bending portion respectively connected to two sides of the side plate, the first bending portion and the first bending portion There is a bracket passage between the two bent portions, and the rail member of the slide rail assembly is disposed in the bracket passage so that the mounting bracket is mounted on the rail member to be displaceable relative to the rail member. A slide rail assembly comprising a rail member having two portions, and a bracket device and another bracket device Mounted in two parts of the rail member, the rail assembly can be mounted to a first column and a second column of a frame, wherein the bracket device comprises: a first support frame, a rail member coupled to the rail assembly; a second support frame movably coupled to the first support frame; a third support frame movably coupled to the second support frame; a mounting bracket, actively Connecting to the third support frame, the mounting bracket includes a side plate, the one end plate is substantially perpendicularly connected to the side plate, and at least one mounting member is coupled to the end plate, the side plate includes a first blocking portion and a second blocking portion a slot is defined between the first blocking portion and the second blocking portion; and a connecting member passes through the slot of the side plate of the mounting bracket and connects the third supporting frame. The slide rail assembly of claim 6, wherein the rail member further comprises a side, the first support bracket being coupled to a side of the rail member. The slide rail assembly of claim 6, wherein the rail member further comprises a first blocking portion and a second blocking portion, and a slot is defined between the first blocking portion and the second blocking portion. The frame device further includes a protruding member that passes through the slot of the rail member and connects the second support frame. The slide rail assembly of claim 6, wherein the second support frame and the third support frame comprise a corresponding one of the segments. The sliding rail assembly of claim 6, wherein the mounting bracket further comprises a first bending portion and a second bending portion respectively connected to two sides of the side plate, the first bending portion and the first bending portion There is a bracket passage between the second bent portions, and the rail members of the slide rail assembly are placed in the bracket passage so that the mounting bracket is mounted on the rail member to be displaceable relative to the rail member. A bracket device suitable for a rail member of a slide rail assembly, the rail member comprising an upper wall, a lower a wall and a middle wall extendingly connected between the upper wall and the lower wall, the bracket device comprising: a first support frame connected to the wall of the rail member, the first support frame comprising an upper wall a lower wall, a middle wall extendingly connected between the upper wall and the lower wall, a first bent portion bent downward from the upper wall, and a second bent portion bent from the lower wall The upper wall, the lower wall, the middle wall, the first bent portion, and the second bent portion of the first support frame collectively define a support channel; a second support a frame, located in the support channel of the first support frame, the second support frame comprises an upper wall, a lower wall, a middle wall extendingly connected between the upper wall and the lower wall, and a first bending portion The upper wall is bent downwardly, and a second bent portion is bent upward from the lower wall, and the upper wall is located at an upper wall adjacent to the support passage of the first support frame, the lower wall a position of a lower wall adjacent to the support passage of the first support frame, the middle wall being located at a middle wall adjacent to the support passage of the first support frame, the first The upper wall, the lower wall, the middle wall, the first bent portion, and the second bent portion of the support frame jointly define a support passage; a third support frame is located in the support passage of the second support frame, the third The support frame includes a first bent portion, a second bent portion, and a middle wall extendingly connected between the first bent portion and the second bent portion, and the first bend of the third support frame The fold portion is located adjacent to the upper wall in the support channel of the second support frame, and the second bent portion of the third support frame is located at a position adjacent to the lower wall in the support channel of the second support frame; a mounting bracket includes a side plate located adjacent to a middle wall of the third support frame, an upper wall and a lower wall respectively connected to the two sides of the side plate, and a first bent portion bent from the upper wall The side plate, the upper wall, and the lower wall of the mounting bracket collectively define a receiving space for accommodating the first supporting frame, the second portion, and the second bending portion is bent upwardly from the lower wall Support frame, and a third support frame, a bracket passage defined between the first bent portion and the second bent portion of the mounting bracket for the rail member to be worn, the first bent portion corresponding to the rail member The wall, the second bend corresponds to the lower wall of the rail member. The cradle device of claim 11, wherein the middle wall of the rail member of the rail assembly further comprises a side, the first support bracket being coupled to a side of the wall of the rail member. The bracket device of claim 11, wherein the rail member further comprises a first blocking portion and a second blocking portion, and a slot is defined between the first blocking portion and the second blocking portion, the bracket The device further includes a protruding member that passes through the slot of the rail member and connects the second support bracket. The bracket device of claim 11, wherein the second support frame and the third support frame comprise a corresponding segment. The bracket device of claim 11, wherein the side plate of the mounting bracket further includes a first blocking portion and a second blocking portion, and a slot is defined between the first blocking portion and the second blocking portion. The bracket device further includes a connector that passes through a slot of the side panel of the mounting bracket and connects the third bracket.