TW201434224A - Cable management arm - Google Patents

Abstract

A cable management arm includes a first arm, a second arm, a frame, an extension board, a support seat, a first support member, a second support member, a guiding member, a first resilient member and a slide. The frame is pivotably connected between the first and second arms. The extension board is securely connected to the frame. The first support member is pivotably connected to the support seat. The second support member is slidably connected to the first support member. The guiding member is connected to the second support member and disposed between the first and second arms. The first resilient member is connected between the first and second support members. The slide is pivotably connected to the extension board and slidiably connected to the second support member. When the second arm is retracted relative to the first arm, the guiding member is moved by the second arm, so that the first support member and the first support member swing relative to the support seat.

Description

Cable management

The present invention relates to a cable management frame, and more particularly to a support structure for providing a cable management.

US Patent No. 7,472,795 B2 to Dubon et al., U.S. Patent No. 7,654,398 B2 to Bridges et al., and U.S. Patent No. 7,746,667 B1 to Baiza et al., and US Patent No. US to Chen et al. No. 7, 554, 819, B2, US 7, 712, 615 B2, US Pat. No. 8, 231, 014 B2, and US Pat. No. 8,251, 321 B2, each of which is incorporated herein by reference.

However, the support structure of the cable management frame described above is slightly insufficient in installation and use. In view of this, the inventors conceived to design a support structure that is relatively simple in construction.

The invention relates to a cable management frame, in particular to a design which is simple in structure and can provide cable placement and stable support.

According to the aspect of the present invention, the cable management rack includes a first cable management arm, a second cable management arm, a cable management base, an extension plate, a support base, a first connection unit, and a second connection unit. a third connecting unit, a first supporting member, a second supporting member, a first elastic member, and a sliding seat, wherein the cable management base is pivotally connected to the first cable management arm and the second Between the cable management arms; the extension plate is fixed to the cable management base; the support base has a support plate; the first connection unit is Connected to the first cable management arm; the second connection unit is connected to the second cable management arm; the third connection unit is connected to the support base; the first support member includes a first connection end, and a The first support member is pivotally connected to the support base with the first connecting end, and the first support member abuts against the support plate of the support base; the second The support member includes a second connecting end and a second free end opposite to the second connecting end, the second supporting member sleeve is slidably coupled to the first supporting member, and the second supporting member is opposite to the first supporting member Extending to move the second free end away from the first support member, and providing a guiding member at the second free end, and the guiding member is extending on the first cable management arm and the second cable Between the arms; the first elastic member is connected between the first support member and the second support member, such that the second support member has an elastic force pulled by the first elastic member relative to the first support member; The sliding seat is pivotally connected to the extension plate and slidably connected to the second support member; wherein the first cable management arm The first connecting unit is mounted at a fixed first predetermined position, the second connecting arm is mounted at a second variable position by the second connecting unit, and the supporting base is mounted at the third connecting unit a fixed third predetermined position, when the second connecting unit of the second cable management arm is displaced away from the first connecting unit of the first cable management arm, the cable management seat is the second seat of the first cable management arm The support member slides away from the support base, and the slide member abuts the guide member to drive the second support member to extend relative to the first support member, and the first support member is biased relative to the support seat.

Preferably, the second support member is further provided with a stopper at the second connecting end corresponding to the sliding seat for the sliding seat to slide between the guiding member and the stopping block.

Preferably, the first support member has a first hook portion, and the second support member has a second hook portion. The first elastic member is coupled to the first hook portion and the second hook portion.

Preferably, the support base, the third connecting unit and the first support member are The pivoting members are pivotally connected.

Preferably, the support plate of the support base is substantially horizontal, and the periphery of the support plate is rounded by the center of the pivoting member, and further includes a shaft pin disposed on the first support member. The first support member slides against the arcuate periphery of the support base with the spindle.

Preferably, the support plate of the support base includes a pair of first stopping portions, such that a pivoting range of the first supporting member relative to the supporting seat is restricted between the pair of first stopping portions.

Preferably, the extension plate has a rib protruding downward to abut the slider.

Preferably, the device further includes a stop member coupled to the support base, the stop member having a pair of second stop portions, the third connection unit having an extension portion corresponding to the pair of second stop portions, the support The second stopping portion of the blocking member abuts against the extending portion of the third connecting unit.

Preferably, the method further includes a first slide rail assembly including at least a first fixed rail and a first movable rail, wherein the first movable rail is longitudinally slipped relative to the first fixed rail; and a second The slide rail assembly includes at least a second fixed rail and a second movable rail, wherein the second movable rail is longitudinally slipped relative to the second fixed rail; wherein the first connecting unit is mounted on the first sliding rail a first fixed rail of the rail assembly is fixed at the first predetermined position, the second connecting unit is mounted to the first movable rail of the first slide rail assembly at the second predetermined position, and the second predetermined position The first movable rail is variable relative to the first fixed rail, and the third connecting unit is fixed to the second fixed rail of the second rail assembly and fixed at the third predetermined position.

According to another aspect of the present invention, the cable management system includes a first slide rail assembly including at least a first fixed rail and a first movable rail. The first movable rail is opposite to the first fixed rail. Longitudinal slip; a second slide rail assembly comprising at least a second fixed rail and a second movable rail, wherein the second movable rail is longitudinally slipped relative to the second fixed rail; a wire arm connected to the first fixed rail of the first slide rail assembly; a second cable management arm connected to the first movable rail of the first slide rail assembly; a cable management seat pivotally connected to the first movable rail a support arm is connected to the second fixed rail of the second slide rail assembly; a first support member includes a first connecting end, and a first The first connecting end is pivotally connected to the supporting base; the second supporting member includes a second connecting end and a second free end opposite to the second connecting end, The second connecting end is slidably connected to the first supporting member, the second free end is provided with a guiding member, and the guiding member is disposed between the first cable management arm and the second wire management arm; a first elastic member connected between the first support member and the second support member, and a sliding seat pivotally connected to the cable management seat, wherein the sliding seat is slidably coupled to the second support member; When the first slide rail assembly and the second slide rail assembly are pulled out, the second cable management arm is displaced away from the first cable management arm, and the slide is in the second branch The member slides away from the support seat, and the slider abuts the guide member to drive the second support member to extend relative to the first support member, and the first support member is yawed relative to the support seat; When the first slide rail assembly and the second slide rail assembly are folded, the second cable management arm is displaced relative to the first cable management arm, and the second cable management arm touches the guide. And pushing the second support member and displacing the second support member against the elastic force generated by the first support member corresponding to the first elastic member.

10‧‧‧First line arm

12‧‧‧Second line arm

14‧‧‧Library

16‧‧‧ support

18‧‧‧First connection unit

20‧‧‧Second connection unit

22‧‧‧ third connection unit

24‧‧‧First support

26‧‧‧second support

28‧‧‧First elastic parts

30‧‧‧Slide

32‧‧‧ cable holder

34‧‧‧ Extension board

36‧‧‧ ribs

38‧‧‧Support board

39‧‧‧First stop

40‧‧‧First Card Holder

42‧‧‧First connector

44‧‧‧Second Card Holder

46‧‧‧Second connector

48‧‧‧ pivotal parts

50a‧‧‧first connection

50b‧‧‧First free end

52‧‧‧ shaft nail

54‧‧‧ channel

56‧‧‧First hook

57a‧‧‧second connection

57b‧‧‧Second free end

58‧‧‧Guide

60‧‧‧Second Hook

62‧‧‧blocks

64‧‧‧ pivot

72‧‧‧First rail assembly

74‧‧‧Second rail assembly

76‧‧‧First fixed rail

78‧‧‧First activity track

80‧‧‧second fixed rail

82‧‧‧Second activity track

84‧‧‧Server equipment

86‧‧‧stops

88‧‧‧Second stop

90a‧‧‧Extension

L1‧‧‧ first distance

L2‧‧‧Second distance

L3‧‧‧ third distance

L4‧‧‧fourth distance

1 is an exploded view showing an embodiment of the present invention; FIG. 2 is a partial structural view showing an embodiment of the present invention; FIG. 3 is a schematic view showing a cable management frame according to an embodiment of the present invention in a folded position; The second connection unit of the second cable management arm of the embodiment of the invention is opposite to the first connection line FIG. 5 is a schematic view showing the second connecting unit of the second cable management arm of the embodiment of the present invention being separated from the first connecting unit of the first cable management arm to the first connecting unit of the first cable management arm of the embodiment of the present invention; FIG. 6 is a schematic diagram showing a second connecting unit of the second cable management arm of the embodiment of the present invention, when the second connecting unit is away from the first connecting unit of the first cable management arm by a third distance; 7 is a schematic view showing the second connecting unit of the second cable management arm of the embodiment of the present invention being separated from the first connecting unit of the first cable management arm by a fourth distance; FIG. 8 is a view showing an embodiment of the present invention; Schematic diagram of the folding action; and FIG. 9 is a schematic view showing the structure of the first support member with a stopper in the embodiment of the present invention.

FIG. 1 and FIG. 2 show a cable management arm assembly including a first cable management arm 10, a second cable management arm 12, a cable management base 14, a support base 16, a first connecting unit 18, and a first cable management unit. a second connecting unit 20, a third connecting unit 22, a first supporting member 24, a second supporting member 26, a first elastic member 28, a sliding seat 30 and a plurality of cable holders 32. The wire sockets 32 are distributed over the first cable management arm 10, the second cable management arm 12, and the cable management base 14 for placing cables (cables not shown). The cable management base 14 is pivotally connected between the first cable management arm 10 and the second cable management arm 12. The cable management base 14 includes an extension plate 34. In a preferred embodiment, the extension plate 34 is a separate member secured to the lower portion of the cable management base 14; alternatively, the extension plate 34 is formed as a single unitary member with the cable management seat 14. Thus, the extension panel 34 can be considered to be part of the cable management seat 14. And, in a preferred embodiment, the extension plate 34 has a rib 36 that projects downwardly.

The support base 16 has a support plate 38. In a preferred embodiment, the support plate 38 is substantially horizontal and has a circular arc shape toward the periphery of the first support member 24 and includes a pair of first stop portions 39.

The first connecting unit 18 is connected to the first cable management arm 10 and includes a first clamping seat 40 and a first connecting base 42 pivotally connected to the first clamping seat 40. In a preferred embodiment, the first connector 42 is pivotally connected to the first cable management arm 10.

The second connecting unit 20 is connected to the second cable management arm 12 and includes a second clamping seat 44 and a second connecting seat 46 pivotally connected to the second clamping seat 44. In a preferred embodiment, the second connector 46 is pivotally connected to the second cable management arm 12.

The third connecting unit 22 is pivotally connected to the support base 16 by a pivoting member 48 in a preferred embodiment.

The first support member 24 includes a first connecting end 50a and a first free end 50b relative to the first connecting end 50a. In a preferred embodiment, the first connecting end of the first supporting member 24 The pivoting member 48 is pivotally connected to the support plate 38 of the support base 16 , and the first support member 24 abuts against the support plate 38 of the support base 16 and is disposed on the pair of first stop portions 39 . The pivoting range of the first support member 24 relative to the support base 16 is restricted between the pair of first stop portions 39. In a preferred embodiment, a pivot pin 52 is further disposed on the first support member 24, and a circular arc-shaped periphery of the support plate 38 is disposed at a center of the pivot member 48 for the first support. When the piece 24 is swung relative to the support base 16, the first support member 24 will slide against the arcuate periphery of the support plate 38 of the support base 16 by the spindle pin 52. The first support member 24 has a passage 54 and a first hook portion 56. The passage 54 is recessed along the length of the first support member 24. The first hook portion 56 extends from the wall of the passage 54.

The second support member 26 includes a second connecting end 57a and a second free end 57b opposite to the second connecting end 57a, and the second supporting member 26 is slidably coupled to the first supporting member 24, such as a sleeve. Slidingly coupled to the first support member 24, the second support member 26 is relatively retractable relative to the first support member 24, and when the second support member 26 is extended relative to the first support member 24, the second The free end 57b is away from the first support member 24, and a guide member 58 is disposed on the second free end 57b, and the guide member 58 is extended on the first cable management arm 10 and the second cable management arm Between 12 (and see Figure 3). In a preferred embodiment, the second support member 26 has a second hook portion 60 facing the passage 54 of the first support member 24, and a second connecting end 57a of the second support member 26 is provided with a block. Block 62.

The first elastic member 28 is coupled to the first hook portion 56 of the first support member 24 and the second hook portion 60 of the second support member 26 such that the second support member 26 has a relative to the first support member 24 The elastic force of the first elastic member 28 is pulled. In other words, the second support member 26 can be displaced relative to the first support member 24 in response to the elastic force generated by the first elastic member 28, for example, the second support member 26 can be replaced by the first support member 24. The elastic force generated by an elastic member 28 is pulled back from an extended state to be folded.

The sliding seat 30 is pivotally connected to the lower side of the extending plate 34 by a pivot 64, and the sliding seat 30 is sleeved between the guiding member 58 and the stopper 62 on the second supporting member 26 (and See Figure 3). It should be noted that the extension plate 34 has been described as being a part of the cable management seat 14. Therefore, the pivoting of the sliding seat 30 to the cable management base 14 is also the same technical means. In a preferred embodiment, the pivot 64 can be passed through the sliding seat 30 and the extension plate 34, and the sliding seat 30 is used to abut against the rib 36 of the extension plate 34, so that the sliding seat 30 and the sliding block 30 The pivoting of the extension plate 34 has a pressing effect in the vertical direction and is not easily slackened to cause a fall. And when the carriage 30 slides to the second of the second support member 26 When the free end 57b, the sliding seat 30 can drive the second supporting member 26 to slide and extend relative to the first supporting member 24 after the guiding member 58 is abutted.

3 shows a first slide rail assembly 72 and a second slide rail assembly 74 installed in pairs, the first slide rail assembly 72 includes at least a first fixed rail 76 and a first movable rail 78, the first movable rail 78 is longitudinally slipped relative to the first fixed rail 76; the second slide rail assembly 74 also includes at least a second fixed rail 80 and a second movable rail 82. The second movable rail 82 is longitudinally slipped relative to the second fixed rail 80; the first movable rail 72 and the second movable rail assembly 74 are first and second movable rails 78 and second. The movable rail 82 is suspended by a server device 84, and the cable (not shown) of the server device 84 can be used by the first cable management arm 10, the second cable management arm 12, and the cable management base 14. Place. The first cable management arm 10 is connected to the first fixed rail 76 of the first slide rail assembly 72 by the first latching seat 40 of the first connecting unit 18, and the first cable management arm is configured. One end of 10 is positioned at a first predetermined position; the second second arm 12 is connected to the first movable rail 78 of the first rail assembly 72 by the second cassette 44 of the second connecting unit 20 One end of the second cable management arm 12 is in a second predetermined position, and the second predetermined position and the first movable rail 78 of the first slide rail assembly 72 can slide relative to the first fixed rail 76 And being movable; and the aforementioned support base 16 is fixed to the second fixed rail 80 of the second slide rail assembly 74 by the third connecting unit 22 to be fixed at a third predetermined position.

When the first slide rail assembly 72 and the second slide rail assembly 74 are in the collapsed state, as shown in FIG. 3, the second cable management arm 12 and the first cable management arm 10 tend to face each other. And relying on, forming a cantilever pattern with a very long suspension length, so that the center of gravity of the entire cable management frame approaches the cable management seat 14. The second support member 26 is folded and folded relative to the first support member 24, and the first support member 24 abuts against the support plate 38 of the support base 16, and the cable management seat 14 is The slide 30 It is sleeved on the second support member 26 adjacent to the support base 16. Therefore, in the folded state in which the first cable management arm 10 and the second cable management arm 12 face each other, the support base 16 is mainly provided with effective support.

4 shows the first slide rail assembly 72 of the first slide rail assembly 72 and the second slide rail assembly 74 being stretched out when the first movable rail 78 and the second movable rail 82 are initially pulled out. The connecting unit 20 is displaced relative to the first connecting unit 18 of the first cable management arm 10 to a first distance L1, wherein the second supporting member 26 has not been extended from the first supporting member 24, and the cable management seat 14 is The extension plate 34 is linearly slid along the second support member 26 by the carriage 30, and the cable management seat 14 has a longitudinal displacement amount according to the displacement of the second cable management arm 12, so the cable management seat The transmission of the first support member 24 relative to the support base 16 via the carriage 30 and the second support member 26, and the yaw of the first support member 24 causes the second support member 26 to The guiding member 58 abuts against the second cable management arm 12, so that the second free end 57b of the second support member 26 is held between the second cable management arm 12 and the first cable management arm 10, The carriage 30 also pivots relative to the extension plate 34. Therefore, even if the center of gravity of the load bearing weight of the entire cable management frame is gradually transferred from the support base 16 to the second support member 26, in this state, the support base 16 and the second support member 26 (including the first support member) 24) Can also provide an effective support together.

FIG. 5 shows the cable management base 14 and the extension plate 34 when the second connection unit 20 of the second cable management arm 12 continues to be displaced to a second distance L2 relative to the first connection unit 18 of the first cable management arm 10. The slider 30 is slid on the second support member 26 to the guide member 58. After the slider 30 abuts the guide member 58, the slider 30 can drive the second support member 26 from the second support member 26. The first support member 24 is extended and extended, and the first elastic member 28 is stretched by the second support member 26 to start generating an elastic force that can be pulled back to the second support member 26. Wherein, since the cable management seat 14 has been away from the support base 16 Gradually approaching the first rail assembly 72, as shown in the figure, if the cable management seat 14 is close to the center of the lateral distance between the first rail assembly 72 and the second rail assembly 74, The first cable management arm 10, which is supported by the cable management frame and gradually reduced in weight by the cantilever shape, is shared with the second cable management arm 12, and the second support member 26 and the first support member 24 are simultaneously shared. The support member 16 is also supported to support the weight carried by the first cable management arm 10 and the second cable management arm 12. Therefore, in this state, the second support member 26 and the first support member are supported. The beam structure formed by the second wire management arm 10 and the second wire management arm 12 can share the bearing weight of the cable management frame without affecting the supporting effect.

FIG. 6 shows the cable management base 14 and the extension plate when the second connection unit 20 of the second cable management arm 12 is further displaced relative to the first connection unit 18 of the first cable management arm 10 to a third distance L3. The second support member 26 is further extended from the first support member 24 via the slide 30, and the first elastic member 28 continues to provide an elastic pulling force on the second support member 26. As shown in the figure, the cable management seat 14 has exceeded the center of the lateral distance between the first rail assembly 72 and the second rail assembly 74, and is closer to the first rail assembly 72. Therefore, the weight of the entire cable management frame is mostly transferred to the first cable management arm 10 and the second cable management arm 12 which are shorter in suspension length, and the elongated second support member 26 and the first support member are supported. Piece 24 will reduce the support.

FIG. 7 shows the cable management base 14 and the extension when the second connection unit 20 of the second cable management arm 12 is displaced relative to the first connection unit 18 of the first cable management arm 10 to a fully deployed fourth distance L4. The plate 34 drives the second support member 26 to extend completely relative to the first support member 24 via the sliding seat 30, and the first support member 24 continues to yaw with respect to the support base 16 while the second support member 26 is still subjected to The elastic force of the first elastic member 28 acts. In this state, the cable management seat 14 is already relatively adjacent to the first slide rail assembly 72, so that the load bearing weight of the entire cable management frame is greatly determined by the suspension length. The shortest first cable management arm 10 and the second cable management arm 12 are shouldered, and the second support member 26 and the first support member 24 are instead converted to be suspended below the cable management base 14, and Does not have a supporting effect.

It should be noted that during the return of the cable management frame to the collapsed state, the second support member 26 corresponds to the elastic pulling force generated by the first elastic member 28, so that the second support member 26 can be opposite to the first The support member 24 is automatically pulled back, that is, when the carriage 30 slides on the second support member 26 toward the support base 16, the second support member 26 is automatically retracted relative to the first support member 24 to The guiding member 58 abuts against the sliding seat 30, so that the sliding of the sliding seat 30 and the income of the second supporting member 26 are synchronized. On the other hand, as shown in FIG. 8, when the second support member 26 and the first support member 24 are contracted, the slide holder 30 continues to slide on the second support member 26, and the second support member By means of the guiding member 58 on the second free end 57b thereof, the second cable management arm 12 is directly pushed during the folding process, which can drive the entire gantry structure to be smoother, and can also drive the The first support member 24 swings back to a predetermined position at the time of folding. Moreover, when the second support member 26 is pushed by the second cable management arm 12, the first support member 24 on the support base 16 abuts the first support member 24, It is also possible to limit that the first support member 24 and the second support member 26 are not excessively biased toward the second rail assembly 74 to affect the closeness of the second cable management arm 12 relative to the first cable management arm 10.

Referring to FIG. 9, a preferred embodiment of the present invention further includes a stop member 86 coupled to the support base 16, the stop member 86 having a pair of second stop portions 88, and the third connection unit 22 having an extension The portion 90a corresponds to the second stopping portion 88, and the second blocking portion 88 of the stopping member 86 abuts against the extending portion 90a of the third connecting unit 22 by the supporting seat 16, so that the supporting seat 16 and the supporting portion 16 The connection state of the third connection unit 22 can be temporarily kept fixed without arbitrarily swinging.

As described above, in addition to providing a static and stable supporting effect in the collapsed state, the cable management frame of the present invention can also change the entire truss structure when the cable management frame is pulled out and deployed. The load is distributed to provide a dynamic support so that the cable management frame does not overhang when carrying the cable.

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

10‧‧‧First line arm

12‧‧‧Second line arm

14‧‧‧Library

16‧‧‧ support

22‧‧‧ third connection unit

24‧‧‧First support

26‧‧‧second support

28‧‧‧First elastic parts

30‧‧‧Slide

32‧‧‧ cable holder

34‧‧‧ Extension board

36‧‧‧ ribs

38‧‧‧Support board

39‧‧‧First stop

48‧‧‧ pivotal parts

50a‧‧‧first connection

50b‧‧‧second connection

52‧‧‧ shaft nail

54‧‧‧ channel

56‧‧‧First hook

57a‧‧‧second connection

57b‧‧‧Second free end

58‧‧‧Guide

60‧‧‧Second Hook

62‧‧‧blocks

64‧‧‧ pivot

Claims (10)

A cable management frame comprising: a first cable management arm; a second cable management arm; a cable management seat pivotally connected between the first cable management arm and the second cable management arm; Connected to the cable management base; a support base having a support plate; a first connection unit coupled to the first cable management arm; a second connection unit coupled to the second cable management arm; a third connection The unit is connected to the support base; a first support member includes a first connecting end and a first free end relative to the first connecting end, and the first supporting member is pivotally connected to the first connecting end a support member, and the first support member abuts against the support plate of the support base; a second support member includes a second connection end and a second free end relative to the second connection end, the second The support sleeve is slidably coupled to the first support member, and the second support member extends relative to the first support member to move the second free end away from the first support member, and a guide is disposed at the second free end a lead member, and the guiding member is disposed between the first cable management arm and the second cable management arm; a first elastic member is connected Between the first support member and the second support member, the second support member has an elastic force pulled by the first elastic member relative to the first support member; and a sliding seat pivotally connected to the extension plate. And slidingly connecting the second support member; wherein the first cable management arm is mounted at the first predetermined position by the first connecting unit Positioning, the second cable management arm is mounted in a variable second predetermined position by the second connecting unit, and the supporting base is mounted at a fixed third predetermined position by the third connecting unit, when the second wire is configured When the second connecting unit of the wire arm is displaced away from the first connecting unit of the first cable management arm, the cable management seat is sliding away from the supporting seat by the sliding seat on the second supporting member. And the sliding seat abuts the guiding member to drive the second supporting member to extend relative to the first supporting member, and the first supporting member is biased relative to the supporting seat. The cable management rack of claim 1, wherein the second support member further has a stopper corresponding to the sliding seat at the second connecting end, wherein the sliding seat is at the guiding member and the stopping block. Sliding between. The cable management rack of claim 1, wherein the first support member has a first hook portion, the second support member has a second hook portion, and the first elastic member is coupled to the first hook portion. With the second hook. The cable management rack of claim 1, wherein the support base, the third connecting unit and the first support member are pivotally connected by a pivoting member. The cable management rack of claim 4, wherein the support plate of the support base is substantially horizontal, and the periphery of the support plate is rounded by the pivotal member, and further includes a shaft nail The first support member is disposed on the arcuate periphery of the support seat with the shaft pin. The cable management rack of claim 4, wherein the support plate of the support base includes a pair of first stopping portions, so that the pivoting range of the first supporting member relative to the supporting base is limited to the first pair Between the stops. The cable management rack of claim 1, wherein the extension plate has a convex rib protruding downward to abut the sliding seat. The cable management rack of claim 1, further comprising a stop member coupled to the support base, the stop member having a pair of second stop portions, the third connection unit having an extension portion corresponding to the pair of a second stopping portion that abuts the extension of the third connecting unit with the second stopping portion of the stopping member. The cable management rack of claim 1, further comprising a first slide rail assembly comprising at least a first fixed rail and a first movable rail, wherein the first movable rail is longitudinal with respect to the first fixed rail And a second slide rail assembly comprising at least a second fixed rail and a second movable rail, wherein the second movable rail is longitudinally slipped relative to the second fixed rail; wherein the first connection The unit is mounted on the first fixed rail of the first slide rail assembly and fixed in the first predetermined position, and the second connecting unit is mounted on the first movable rail of the first slide rail assembly in the second predetermined position. And the second predetermined position is variable due to the sliding of the first movable rail relative to the first fixed rail, and the third connecting unit is fixed to the second fixed rail of the second rail assembly and fixed at the first Three predetermined locations. A cable management system comprising: a first slide rail assembly comprising at least a first fixed rail and a first movable rail, wherein the first movable rail is longitudinally slipped relative to the first fixed rail; The slide rail assembly includes at least a second fixed rail and a second movable rail, wherein the second movable rail is longitudinally slipped relative to the second fixed rail; a first cable management arm is coupled to the first sliding rail a first fixed rail of the rail assembly; a second cable management arm coupled to the first movable rail of the first slide rail assembly; a cable management base pivotally connected to the first cable management arm and the second management arm Between the line arms; a support base connected to the second fixed rail of the second slide rail assembly; a first support member including a first connecting end and a first free end relative to the first a connecting end, the first connecting end is pivotally connected to the supporting base; a second supporting member comprises a second connecting end, and a second free end is opposite to the second connecting end, the second connecting end is slidably connected The first support member, the second free end is provided with a guiding member, and the guiding member is disposed between the first cable management arm and the second cable management arm; a first elastic member is connected Between the first support member and the second support member, and a sliding seat pivotally connected to the cable management base, and the sliding seat is slidably coupled to the second support member; wherein, when the first slide rail assembly is When the second slide rail assembly is pulled out, the second cable management arm is displaced away from the first cable management arm, and the sliding seat slides on the second support member away from the support base, and the The sliding seat abuts the guiding member to drive the second supporting member to extend relative to the first supporting member, and the first supporting member is yawed relative to the supporting seat; wherein, when the first sliding rail assembly and the second sliding portion are When the rail assembly is folded, the second cable management arm is displaced relative to the first cable management arm, and the second cable management arm touches the guiding member. Moving the second support member, and that the second support member relative to the first support member responds to the force of the first resilient member is displaced produced.