CN105682411A - Slide rail assembly and bracket device thereof - Google Patents

Abstract

The present invention relates to a slide rail assembly and a bracket device thereof, wherein the slide rail assembly comprises a rail member, the rail member is provided with the bracket device, so that the slide rail assembly can be installed to a frame by the bracket device. The bracket device comprises a first support frame, a second support frame, a third support frame, a mounting bracket and a connecting piece. The first support frame is connected to the rail piece; the second support frame is movably connected to the first support frame, the second support frame, the third support frame and the mounting bracket are movably connected and mutually supported, the mounting bracket comprises a first blocking part, a second blocking part and a groove, and the groove is positioned between the first blocking part and the second blocking part; the connecting piece passes through the groove of the mounting bracket and is connected with the third supporting frame.

Description

Slide rail assembly and its bracket device

technical field

The invention relates to a slide rail, in particular to a bracket device of a slide rail assembly which can be applied to frame specifications of different depths.

Background technique

Generally speaking, in a rack-mounted servo system, the slide rail assembly is usually equipped with a bracket at the front and rear positions respectively, so that the slide rail assembly can be installed on the rack ( rack) of the two machine columns. Wherein, due to the design of the system or consideration of other factors, the distance between the two columns may be different. Therefore, an adjustable bracket becomes a desired product in the market. For example, US Pat. Nos. US8,028,965B2 and US8,721,012B2 disclose the related adjustable brackets, which are hereby incorporated by reference.

Contents of the invention

The purpose of the present invention is to provide a bracket device of a slide rail assembly that can be applied to rack specifications with different depths.

The bracket device according to one aspect of the present invention is suitable for a rail member of a slide rail assembly, and is characterized in that the bracket device includes a first support frame, a second support frame, a third support frame, a Install the bracket and a connecting piece. The first support frame is connected to the rail of the slide rail assembly; the second support frame is movably connected to the first support frame; the third support frame is movably connected to the second support frame; the mounting bracket Movably connected to the third support frame, the mounting bracket includes a side plate, an end plate, and at least one mounting piece, the end plate is substantially vertically connected to the side plate, and the at least one mounting piece is connected to the end plate , the side plate includes a first stopper and a second stopper, a groove is defined between the first stopper and the second stopper; the connecting piece passes through the groove of the sideboard of the mounting bracket and connects The third support frame.

Wherein, the rail member of the slide rail assembly further includes a side surface, and the first support frame is connected to the side surface of the rail member of the slide rail assembly.

Wherein, the rail also includes a first stop and a second stop, a groove is defined between the first stop and the second stop of the rail, and the bracket device also includes a protrusion, the protrusion A piece passes through the groove of the rail and is connected to the second support frame.

Wherein, the second support frame and the third support frame include a blocking section corresponding to each other.

Wherein, the mounting bracket also includes a first bending part and a second bending part respectively connected to both sides of the side plate, and a bracket is arranged between the first bending part and the second bending part The channel, the rail of the slide rail assembly is passed through the bracket channel, so that the installation bracket is installed on the rail and can be displaced relative to the rail.

The slide rail assembly according to another aspect of the present invention comprises a rail member, the rail member has two parts, and the two parts of the rail member are respectively installed with a bracket device and another bracket device, so that the slide rail The rail assembly can be installed to a first machine column and a second machine column of a frame, and the feature is that the bracket device includes a first support frame, a second support frame, a third support frame, A mounting bracket and a connecting piece. The first support frame is connected to the rail of the slide rail assembly; the second support frame is movably connected to the first support frame; the third support frame is movably connected to the second support frame; the mounting bracket Movably connected to the third support frame, the mounting bracket includes a side plate, an end plate, and at least one mounting piece, the end plate is substantially vertically connected to the side plate, and the at least one mounting piece is connected to the end plate , the side plate includes a first stopper and a second stopper, a groove is defined between the first stopper and the second stopper; the connecting piece passes through the groove of the sideboard of the mounting bracket and connects The third support frame.

Wherein, the rail further includes a side, and the first support frame is connected to the side of the rail.

Wherein, the rail member also includes a first blocking portion and a second blocking portion, a groove is defined between the first blocking portion and the second blocking portion, and the bracket device also includes a protruding piece, and the protruding piece passes through pass through the groove of the rail and connect to the second support frame.

Wherein, the second support frame and the third support frame include a blocking section corresponding to each other.

Wherein, the mounting bracket also includes a first bending part and a second bending part respectively connected to both sides of the side plate, and a bracket is arranged between the first bending part and the second bending part The channel, the rail of the slide rail assembly is passed through the bracket channel, so that the installation bracket is installed on the rail and can be displaced relative to the rail.

The bracket device according to another aspect of the present invention is suitable for a rail member of a slide rail assembly, the rail member includes an upper wall, a lower wall, and a middle wall, and the middle wall is extendedly connected between the upper wall and the lower wall. Between the lower walls, 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 middle wall of the rail, and the first support frame includes an upper wall, a lower wall, a middle wall, a first bending portion, and a second bending portion, and the middle wall extends Connected between the upper wall and the lower wall, the first bending portion bends downward from the upper wall, and the second bending portion bends upward from the lower wall and corresponds to the first bend The upper wall, the lower wall, the middle wall, the first bending portion, and the second bending portion of the first support frame jointly define a support channel; the second support frame is located on the support of the first support frame In the channel, the second support frame includes an upper wall, a lower wall, a middle wall, a first bending portion, and a second bending portion, and the middle wall is extendedly connected between the upper wall and the lower wall Between, the first bending portion bends downward from the upper wall, the second bending portion bends upward from the lower wall, and the upper wall is located in the support channel adjacent to the first support frame The position of the upper wall, the lower wall is at the position of the lower wall adjacent to the support channel of the first support frame, and the middle wall is at the position of the middle wall adjacent to the support channel of the first support frame, The upper wall, the lower wall, the middle wall, the first bending portion, and the second bending portion of the second support frame jointly define a support channel; the third support frame is located in the support channel of the second support frame, The third support frame includes a first bending portion, a second bending portion, and a middle wall, the middle wall is extended and connected between the first bending portion and the second bending portion, the first bending portion The first bending position of the three support frames is adjacent to the position of the upper wall in the support channel of the second support frame, and the second bending position of the third support frame is in the support channel adjacent to the second support frame The position of the lower wall; the installation bracket includes a side plate, an upper wall, a lower wall, a first bending portion, and a second bending portion, and the side plate is located adjacent to the third support frame The position of the middle wall, the upper wall and the lower wall are respectively connected to both sides of the side plate, the first bending part is bent downward from the upper wall, and the second bending part is bent from the lower wall facing upwards, the side panels, the upper wall, and the lower wall of the mounting bracket jointly define an accommodating space for accommodating the first support frame, the second support frame, and the third support frame, the A bracket channel is defined between the first bending part and the second bending part of the installation bracket, and the bracket channel is used for the rail to pass through, and the first bending part corresponds to the upper wall of the rail, The second bent portion corresponds to the lower wall of the rail.

Wherein, the middle wall of the rail part of the slide rail assembly further includes a side surface, and the first support frame is connected to the side surface of the middle wall of the rail part.

Wherein, the rail member also includes a first blocking portion and a second blocking portion, a groove is defined between the first blocking portion and the second blocking portion, and the bracket device also includes a protruding piece, and the protruding piece passes through pass through the groove of the rail and connect to the second support frame.

Wherein, the second support frame and the third support frame include a blocking section corresponding to each other.

Wherein, the side plate of the installation bracket also includes a first stopper and a second stopper, a groove is defined between the first stopper and the second stopper, and the bracket device also includes a connecting piece, The connecting piece passes through the slot of the side plate of the mounting bracket and connects with the third supporting frame.

Description of drawings

To further illustrate and confirm the above-mentioned purpose, structural features and effects of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

FIG. 1 shows a schematic perspective view of a slide rail assembly including a bracket device according to an embodiment of the present invention.

FIG. 2 shows an exploded view of a bracket device according to an embodiment of the present invention.

FIG. 3 shows a schematic cross-sectional view of a bracket device according to an embodiment of the present invention.

Fig. 4 shows a schematic cross-sectional view along line 4-4 in Fig. 1 .

FIG. 5 shows a schematic diagram of a slide rail assembly capable of being installed on a rack by means of a bracket device according to an embodiment of the present invention.

FIG. 6A shows a schematic view of the mounting bracket at a first position relative to the rail member of the slide rail assembly according to an embodiment of the present invention.

FIG. 6B shows a schematic diagram of the installation bracket being adjusted and displaced to a second position relative to the rail member of the slide rail assembly according to an embodiment of the present invention.

FIG. 6C is a schematic view showing that the mounting bracket is adjusted and displaced to a third position relative to the rail member of the slide rail assembly according to an embodiment of the present invention.

FIG. 6D is a schematic diagram showing that the mounting bracket is adjusted and displaced to a fourth position relative to the rail member of the slide rail assembly according to an embodiment of the present invention.

FIG. 7 is a schematic view showing that the slide rail assembly according to an embodiment of the present invention can be installed on another rack by means of a bracket device.

detailed description

FIG. 1 shows that a slide rail assembly 20 according to an embodiment of the present invention includes a rail 22 having two parts (for example, a front part and a rear part) respectively mounted with a bracket device 24 and another bracket device. 26. Hereinafter, the bracket device 24 will be used for illustration to present the features of the embodiment of the present invention.

As shown in Figure 2 and Figure 3, in a preferred embodiment, the rail 22 includes a first stop portion 28a and a second stop portion 28b, the first stop portion 28a and the second stop portion 28b A slot 30 is defined between them. 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 supporting frame 32 is fixedly connected to the rail 22, for example, the first supporting frame 32 can be fixedly connected to a side 42 (for example, the back side) of the rail 22 by means of a plurality of positioning elements 40, And the first supporting frame 32 is located adjacent to the first blocking portion 28 a of the rail member 22 . Since the first supporting frame 32 is fixedly connected to the rail 22 , the first supporting frame 32 can be regarded as a part of the rail 22 . Wherein, the first support frame 32 can also be connected to the rail member 22 by other connection methods such as welding, screwing or clamping, and the implementation is not limited.

The second support frame 34 is movably connected to the first support frame 32 , and the second support frame 34 includes a first portion 44 a, a second portion 44 b, and a blocking section 46 . The second portion 44b is located opposite to the first portion 44a, and the blocking section 46 is located between the first portion 44a and the second portion 44b. Wherein, the first portion 44a is movably connected to the first supporting frame 32 . The second portion 44b is corresponding to the slot 30 of the rail member 22, the second portion 44b includes a protrusion 48 that can be formed from the second portion 44b, or, in this embodiment, the The protruding piece 48 is shown as an independent component, and the second part 44b is connected by a part of the protruding piece 48 passing through the groove 30 of the rail 22, so that the other part of the protruding piece 48 is limited to the rail 22 Therefore, relative to the first support frame 32 , the second support frame 34 can be adjusted and displaced within a limited range according to the stroke of the groove 30 . Preferably, the blocking section 46 is located adjacent to the second portion 44b.

The third support frame 36 is movably connected to the second support frame 34 , and the third support frame 36 includes a first portion 50 a, a second portion 50 b, and a blocking section 52 . The second portion 50b is located opposite to the first portion 50a, and the blocking section 52 is located between the first portion 50a and the second portion 50b. Wherein, the position of the blocking section 52 is corresponding to the blocking section 46 of the second supporting frame 34 .

The mounting bracket 38 is movably connected to the third supporting frame 36 , and the mounting bracket 38 includes a side plate 54 , an end plate 56 , and at least one mounting member 58 . The end plate 56 is substantially vertically connected to the side plate 54 , and the at least one mounting part 58 is connected to the end plate 56 , and two mounting parts 58 are used as an example here. In a preferred implementation, the side plate 54 further includes a first blocking portion 60a and a second blocking portion 60b, and a groove 62 is defined between the first blocking portion 60a and the second blocking portion 60b.

It is worth mentioning that the third supporting frame 36 includes a connecting piece 64, which can be formed from the third supporting frame 36, or, in this embodiment, the connecting piece 64 is an independent The members of the figure show that a part of the connecting piece 64 passes through the groove 62 of the side plate 54 and is connected to the third support frame 36, so that the other part of the connecting piece 64 is limited to the first stop portion of the side plate 54 60a and the second blocking portion 60b, therefore, the installation bracket 38 can be adjusted and displaced within a limited range relative to the third support frame 36 according to the stroke of the slot 62 .

FIG. 4 further shows that the rail 22 includes an upper wall 66 a , a lower wall 66 b , and a middle wall 68 . The middle wall 68 is extendedly connected between the upper wall 66a and the lower wall 66b.

The first supporting frame 32 includes an upper wall 70a, a lower wall 70b, a middle wall 72, a first bending portion 74a, and a second bending portion 74b. The middle wall 72 is extended and connected between the upper wall 70a and the lower wall 70b, the first bent portion 74a is bent downward from the upper wall 70a, and the second bent portion 74b is bent from the lower wall 70b. The bent portion faces upward and corresponds to the first bent portion 74a. Wherein, the upper wall 70 a , the lower wall 70 b , the middle wall 72 , the first bent portion 74 a , and the second bent portion 74 b jointly define a supporting channel 76 . In addition, the first support frame 32 is fixedly connected to the side 42 of the middle wall 68 of the rail member 22 via the middle wall 72 .

The second support frame 34 is located in the support channel 76 of the first support frame 32, and the second support frame 34 includes an upper wall 78a, a lower wall 78b, a middle wall 80, a first bending portion 82a, and a second bending portion 82b. The middle wall 80 is extended and connected between the upper wall 78a and the lower wall 78b, the first bent portion 82a is bent downward from the upper wall 78a, and the second bent portion 82b is bent from the lower wall 78b. The bent portion faces upward and corresponds to the first bent portion 82a. The upper wall 78 a , the lower wall 78 b , the middle wall 80 , the first bent portion 82 a , and the second bent portion 82 b jointly define a supporting channel 84 . Wherein, the upper wall 78a is further folded and pressed against the upper part of the adjacent middle wall 80, and is located adjacent to the position of the upper wall 70a in the support channel 76 of the first support frame 32, forming an upper support effect. . The lower wall 78b is further folded and pressed against the lower portion of the middle wall 80 adjacent to the lower wall 70b in the supporting channel 76 of the first supporting frame 32 to form a supporting effect. The middle wall 80 is adjacent to the middle wall 72 in the supporting channel 76 of the first supporting frame 32 , forming a middle supporting effect.

The third supporting frame 36 is located in the supporting channel 84 of the second supporting frame 34 , and the third supporting frame 36 includes a first bending portion 86 a, a second bending portion 86 b, and a middle wall 88 . The middle wall 88 is extended and connected between the first bent portion 86a and the second bent portion 86b. Wherein, the first bending portion 86 a bends upward from the middle wall 88 and is located adjacent to the upper wall 78 a in the supporting channel 84 of the second supporting frame 34 , forming an upper supporting effect. The second bent portion 86b bends downward from the middle wall 88 and is located adjacent to the lower wall 78b in the supporting channel 84 of the second supporting frame 34 to form a supporting effect. The middle 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 middle wall 88 of the third support frame 36), Form an intermediate support effect.

The mounting bracket 38 includes an upper wall 90a, a lower wall 90b, a first bending portion 92a, and a second bending portion 92b. The upper wall 90a and the lower wall 90b are respectively connected to both sides of the side plate 54, the first bent portion 92a is bent downward from the upper wall 90a, and the second bent portion 92b is bent from the lower wall 90b. The bent portion faces upward and corresponds to the first bent portion 92a. The side panel 54, the upper wall 90a, and the lower wall 90b jointly define a receiving space 94, which can be used to accommodate the first supporting frame 32, the second supporting frame 34, and the third supporting frame 36. . Wherein, a bracket channel 96 is defined between the first bent portion 92 a and the second bent portion 92 b for the rail member 22 to pass through. Furthermore, the first bent portion 92a is able to embrace the upper wall 66a of the rail 22 to form an upper support effect. The second bent portion 92b is capable of holding the lower wall 66b of the rail 22 to form a supporting effect. Thereby, the displacement of the installation bracket 38 relative to the rail 22 has a more stable support effect, and the first support frame 32, the second support frame 34, and/or the third support frame 36 are mutually The adjusted displacement also has a more stable support effect.

FIG. 5 shows the slide rail assembly 20 mounted to a first column 98 a and a second column 98 b of a rack by means of the bracket device 24 and the further bracket device 26 . Specifically, when there is a first distance D1 between the first machine column 98a and the second machine column 98b, the other bracket device 26 can be mounted to the second machine column 98b. On the other hand, the mounting bracket 38 of the bracket device 24 can be adjusted such that the distance between the mounting bracket 38 of the bracket device 24 and the other bracket device 26 can be adjusted to correspond to the first distance. D1. Wherein, the installation bracket 38 is installed on the first column 98a by means of the installation part 58 .

6A shows that the mounting bracket 38 of the bracket device 24 is located at a first position P1 relative to the rail 22, wherein the connecting member 64 is a second stop located in the groove 62 adjacent to the mounting bracket 38. part 60b.

FIG. 6B shows that the mounting bracket 38 is adjusted in a direction (as shown by the arrow) and is displaced from the first position P1 to a second position P2 relative to the rail 22, wherein the first stop of the mounting bracket 38 The portion 60a overlaps the connecting piece 64 .

6C shows that the mounting bracket 38 can continue to be adjusted according to the user's needs and relative to the rail 22 from the second position P2 to a third position P3, wherein, since the third support frame 36 has been connected by the The member 64 is driven, so the block segment 52 of the third support frame 36 is in contact with the block segment 46 of the second support frame 34 .

FIG. 6D shows that the mounting bracket 38 can be further adjusted according to the needs of the user and is displaced from the third position P3 to a fourth position P4 relative to the rail 22, wherein, since the third support frame 36 is supported by the stopper Segment 52 rests on the blocking section 46 of the second support frame 34 to drive the second support frame 34, so that the second support frame 34 drives the connecting piece 48, so that the connecting piece 48 moves from the groove 30 of the rail member 22 The first blocking portion 28a is displaced to be adjacent to the second blocking portion 28b.

FIG. 7 shows that the other bracket device 26 can be mounted to the second mast 98b when there is a second distance D2 between the first mast 98a and the second mast 98b. On the other hand, the mounting bracket 38 of the bracket device 24 can be adjusted to a desired position according to the needs of the user, so that the mounting bracket 38 of the bracket device 24 and the other bracket device 26 can be adjusted to correspond to the second distance D2. It can be seen that the present embodiment can utilize the adjustable design of the bracket device 24 to respond to frame specifications of different depths, especially, when the bracket device 24 is adjusted and unfolded, the first support frame 32, The second supporting frame 34 , the third supporting frame 36 , the rail member 22 , and the mounting bracket 38 also have a continuous supporting effect among each other, so as to ensure the stability of the extended support.

According to the above description, it can be seen that the effect and advantage of the present invention is that the bracket device of the slide rail assembly can be applied to rack specifications of different depths.

Although the present invention has been described with reference to the current specific embodiments, those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the present invention, and other modifications can be made without departing from the spirit of the present invention. Various equivalent changes and modifications, therefore, as long as the changes and modifications to the above embodiments are within the true spirit of the present invention, they will all fall within the scope of the claims of the present application.

Claims (15)

1. a bracket system, it is adaptable to a rail part of a slide rail assembly, it is characterised in that described bracket system includes:

One first bracing frame, is connected to the rail part of described slide rail assembly;

One second bracing frame, is movably connected with to described first bracing frame;

One the 3rd bracing frame, is movably connected with to described second bracing frame;

One mounting bracket, it is movably connected with to described 3rd bracing frame, described mounting bracket comprises side plate, end plate and at least one installed part, described end plate generally vertically connects this side plate, described at least one installed part is connected to this end plate, described side plate comprises one first stopper and one second stopper, defines a groove between this first stopper and this second stopper;And

A connection piece, passes the groove of the side plate of described mounting bracket and connects described 3rd bracing frame.

2. bracket system according to claim 1, it is characterised in that the rail part of described slide rail assembly also comprises one side, this first bracing frame is connected to the side of the rail part of this slide rail assembly.

3. bracket system according to claim 1, it is characterized in that, described rail part also comprises one first stopper and one second stopper, a groove is defined between first stopper and second stopper of this rail part, this bracket system also comprises a prodger, and this prodger is passed the groove of this rail part and connects this second bracing frame.

4. bracket system according to claim 1, it is characterised in that described second bracing frame comprises a mutually corresponding gear section with the 3rd bracing frame.

5. bracket system according to claim 1, it is characterized in that, described mounting bracket also comprises one first kink and one second kink is connected to the both sides of this side plate, between this first kink and this second kink, there is a bracket passage, the rail part of this slide rail assembly is to be set in this bracket passage, make this mounting bracket be installed in this rail part and can this rail part displacement relatively.

6. a slide rail assembly, comprise a rail part, described rail part has two parts, two parts of described rail part are to be mounted with a bracket system and another bracket system respectively, described slide rail assembly is enable to be mounted to one first column and one second column of a frame, it is characterized in that, described bracket system includes:

One first bracing frame, is connected to the rail part of described slide rail assembly;

One second bracing frame, is movably connected with to described first bracing frame;

One the 3rd bracing frame, is movably connected with to described second bracing frame;

One mounting bracket, it is movably connected with to described 3rd bracing frame, described mounting bracket comprises side plate, end plate and at least one installed part, described end plate generally vertically connects this side plate, described at least one installed part is connected to this end plate, described side plate comprises one first stopper and one second stopper, defines a groove between this first stopper and this second stopper; And

A connection piece, passes the groove of the side plate of described mounting bracket and connects described 3rd bracing frame.

7. slide rail assembly according to claim 6, it is characterised in that described rail part also comprises one side, and this first bracing frame is connected to the side of this rail part.

8. slide rail assembly according to claim 6, it is characterized in that, described rail part also comprises one first stopper and one second stopper, a groove is defined between this first stopper and this second stopper, this bracket system also comprises a prodger, and this prodger is passed the groove of this rail part and connects this second bracing frame.

9. slide rail assembly according to claim 6, it is characterised in that described second bracing frame comprises a mutually corresponding gear section with the 3rd bracing frame.

10. slide rail assembly according to claim 6, it is characterized in that, described mounting bracket also comprises one first kink and one second kink is connected to the both sides of this side plate, between this first kink and this second kink, there is a bracket passage, the rail part of this slide rail assembly is to be set in this bracket passage, make this mounting bracket be installed in this rail part and can this rail part displacement relatively.

11. a bracket system, it is adaptable to a rail part of a slide rail assembly, described rail part comprises wall in wall on, once wall and, and in this, wall is connected on this between wall and this lower wall with extending, it is characterised in that described bracket system includes:

One first bracing frame, it is connected to the middle wall of described rail part, described first bracing frame comprises wall on, once wall, Yi Zhongqiang, one first kink and one second kink, in this, wall is connected on this between wall and this lower wall with extending, wall is bendingly down on this for this first kink, this second kink from this lower wall bendingly upward and to should the first kink, the Shang Qiang of this first bracing frame, Xia Qiang, Zhong Qiang, the first kink and the second kink common definition one support passage;

One second bracing frame, position is in the support passage of described first bracing frame, described second bracing frame comprises wall on, wall once, wall in one, one first kink, and one second kink, in this, wall is connected on this between wall and this lower wall with extending, wall is bendingly down on this for this first kink, this second kink is from this lower wall bendingly upward, on this, wall position is in the position of the upper wall supported in passage of this first bracing frame adjacent, this lower wall position is in the position of the lower wall supported in passage of this first bracing frame adjacent, in this, wall position is in the position of the middle wall supported in passage of this first bracing frame adjacent, the upper wall of this second bracing frame, lower wall, middle wall, first kink, and second kink common definition one support passage,

One the 3rd bracing frame, position is in the support passage of described second bracing frame, described 3rd bracing frame comprises wall in one first kink, one second kink and, in this, wall is connected between this first kink and this second kink with extending, first bending part of the 3rd bracing frame is in the position of the upper wall supported in passage of this second bracing frame adjacent, and the second bending part of the 3rd bracing frame is in the position of the lower wall supported in passage of this second bracing frame adjacent; And

One mounting bracket, comprise side plate, wall on one, wall once, one first kink, and one second kink, this side plate position is in the position of the middle wall of adjacent 3rd bracing frame, on this, wall and this lower wall are connected to the both sides of this side plate, wall is bendingly down on this for this first kink, this second kink is from this lower wall bendingly upward, the side plate of this mounting bracket, upper wall, and lower wall common definition one holds space, this accommodation space is in order to hold this first bracing frame, this second bracing frame, and the 3rd bracing frame, a bracket channel is defined between first kink and second kink of this mounting bracket, this bracket channel places with for this rail part, this first kink is to should the upper wall of rail part, this second kink is to should the lower wall of rail part.

12. bracket system according to claim 11, it is characterised in that the middle wall of described rail part also comprises one side, this first bracing frame is connected to the side of the middle wall of this rail part.

13. bracket system according to claim 11, it is characterized in that, described rail part also comprises one first stopper and one second stopper, a groove is defined between this first stopper and this second stopper, this bracket system also comprises a prodger, and this prodger is passed the groove of this rail part and connects this second bracing frame.

14. bracket system according to claim 11, it is characterised in that described second bracing frame comprises a mutually corresponding gear section with the 3rd bracing frame.

15. bracket system according to claim 11, it is characterized in that, the side plate of described mounting bracket also comprises one first stopper and one second stopper, a groove is defined between this first stopper and this second stopper, this bracket system also comprises a connection piece, and this connector passes the groove of the side plate of this mounting bracket and connects the 3rd bracing frame.