TWI489932B - Fixing device for a slide assembly - Google Patents

Description

Slide rail assembly

The present invention relates to a slide rail assembly, and more particularly to a fixing device for a slide rail assembly, which is more convenient to operate and can be stably mounted to a frame.

U.S. Patent No. 6,929,339, issued to Greenwald et al., and U.S. Patent No. 6, 957, 878, the disclosure of which is incorporated herein by reference. Each of these prior disclosures discloses a fixture for a rail assembly, which is incorporated herein by reference.

The structure disclosed in the foregoing cases includes a hook arm having a hook portion, a spring for applying an elastic force to the hook arm, and a mounting member having a slot, wherein the hook arm extends into the slot of the mounting member, And by the elastic force generated by the spring, the hook portion of the hook arm protrudes out of the slot of the mounting member. Since the hook arm directly passes through the mounting member, when the mounting member is mounted on the hole of the support post of the rack, the hook portion of the hook arm protrudes from the slot of the mounting member. In addition, it is easy to affect the convenience of mounting the mount on the rack. In addition, the mounting member is provided with a slot, which also reduces its structural strength and affects the stability of its installation.

Therefore, the present invention relates to a fixing device for a slide rail assembly which can be more conveniently and stably mounted to the frame.

According to a first aspect of the present invention, a fixing device for a slide rail assembly includes a support plate and a bracket connecting the support plate, wherein the bracket includes a side plate and an end plate, the side plate Having a window, the end plate is substantially perpendicularly connected to the side plate, the fixing device comprises at least one mounting member, and an end plate corresponding to the bracket is disposed; an insert member is provided, and an end plate corresponding to the bracket is disposed, The insert has a groove; a latch member that slides relative to the bracket, the latch member includes an operating portion and a latching arm, wherein the operating portion is a window corresponding to the side panel of the bracket, the card The arm is disposed in the groove of the insert, the latch arm has a first latch protrusion partially extending outside the groove of the insert; and an elastic member provides an elastic force on the latch And the first latching protrusion of the latching member is retained by the elastic force of the elastic member to extend outside the groove of the inserting member.

According to a second aspect of the present invention, a fixing device for mounting on a bracket includes at least one mounting member disposed on the bracket, and an insert member corresponding to the bracket, the insert having a groove a latching member that slides relative to the bracket, the latching member includes a latching arm, the latching arm is a groove that is received in the inserting member, and the latching arm has a first latching projection And a resilient member providing an elastic force on the latching member such that the first latching projection of the latching member extends out of the groove of the inserting member by the elastic force of the resilient member.

Preferably, the bracket includes a side panel and an end panel, the end panel being substantially perpendicularly connected to the side panel, and the latching member includes an operating portion corresponding to the side panel of the bracket.

Preferably, the end plate is provided with a through hole, and the insert comprises a head portion and a body portion, wherein the head portion is connected to the body portion, and the insert member is disposed through the through hole.

Preferably, the body of the insert includes a concave region and a first buckle portion is located on a side of the concave region adjacent the head.

Preferably, the end plate has a pair of mounting holes, and further includes a fixing seat and a pair of mounting members mounted on the fixing base, the fixing seat is fixedly mounted on the bracket, and the pair of mounting members pass through the bracket The pair of mounting holes of the end plates of the bracket.

Preferably, each of the mounting members includes a movable rectangular body, a cylindrical body, and a spring, wherein an elastic force of the spring is applied to the rectangular body, and the rectangular body is biased from the fixed seat by the elastic force of the spring. Extends in a predetermined position. Preferably, the side panel has a window, and the operating portion of the latching member is slidably engaged with the window, so that the latching member is displaceable relative to the inserting member, thereby operating the first latch of the latching arm The projection projects or retracts into the groove of the insert.

Preferably, the bracket further includes a first guiding portion, the latching member further includes a second guiding portion, and is disposed on the first guiding portion and the second guiding portion by means of a guiding member Between the two, the card member is slid relative to the bracket.

According to a third aspect of the present invention, a slide rail assembly for mounting in a frame includes a frame including a plurality of support columns, each support column having a plurality of holes, including a first hole, a first a second hole and a third hole are located between the first hole and the second hole; a cabinet is mounted on the frame by a pair of slide rail assemblies, the cabinet includes a buckle device; a first rail; a second rail sliding relative to the first rail; a bracket connecting the first rail, the bracket comprising a side panel and an end panel, the side panel having a window, the end panel substantially Vertically connecting the side panel, and the end panel includes a pair of mounting holes and a through hole; a fixing seat fixedly mounted on the bracket; a third rail slidably coupled to the first rail and the second rail An insert member corresponding to the end plate of the bracket, and a portion of the insert is a through hole passing through the end plate of the bracket, the insert having a groove and a first buckle portion, The first buckle is a card corresponding to the cabinet a latching device; a latching member slidably relative to one of the bracket and the mounting base, the latching member comprising an operating portion and a latching arm, wherein the operating portion is a window corresponding to the side panel of the bracket, The latching arm is a groove that is inserted into the insert, the latching arm has a first latching protrusion; and an elastic member provides an elastic force to act on the latching member, so that the latching member The latching protrusion extends out of the groove of the insert by the elastic force of the elastic member; a pair of mounting members are mounted on the fixing seat, and the pair of mounting members are the pair of mounting holes passing through the end plate of the bracket Wherein the pair of mounting members are respectively inserted into the first hole and the second hole of the support column of the frame, and the insert is a third hole inserted into the support column of the frame, and the clamping member is The latching arm is a groove that is inserted into the insert, and acts on the latching member by the elastic force of the elastic member, so that the first latching protrusion of the latching member protrudes out of the groove of the inserting member and a support column that can be abutted against the frame; when the slide rail assembly is mounted on the frame and pushed into the frame for folding, the first buckle of the insert is The cabinet may be mutually snap-fastening means.

Preferably, the operating portion of the latching member is slidably engaged with the window, so that the latching member is displaceable relative to the inserting member, thereby operating the first latching projection of the latching arm to extend or contract. Into the groove of the insert.

Preferably, the bracket further includes a first guiding portion, the latching member further includes a second guiding portion, and is disposed on the first guiding portion and the second guiding portion by means of a guiding member Between the two, the card member is slid relative to the bracket.

10‧‧‧Slide rail assembly

12‧‧‧Fixed devices

14‧‧‧First track

16‧‧‧second track

18‧‧‧ bracket

20‧‧‧ third track

22‧‧‧Support board

24‧‧‧ side panels

26‧‧‧End board

28‧‧‧ window

30‧‧‧Installation holes

32‧‧‧Perforation

34‧‧‧ Inserts

36‧‧‧ Cards

38‧‧‧Flexible parts

40‧‧‧ head

42‧‧‧ Body

44‧‧‧First buckle

46‧‧‧ trench

48‧‧‧ concave area

50‧‧‧ fixed seat

52‧‧‧Installation

54‧‧‧Rectangular body

56‧‧‧Cylindrical body

58‧‧‧ Spring

60‧‧‧Operation Department

62‧‧‧Card arm

66‧‧‧First card 掣 convex

68‧‧‧First Guidance

70‧‧‧Second guidance

72‧‧‧Guide

74‧‧‧First connection

76‧‧‧Second connection

78‧‧‧Rack

80‧‧‧Support column

82a‧‧‧ first hole

82b‧‧‧second hole

82c‧‧‧ third hole

84‧‧‧ cabinet

86‧‧‧Snap device

88‧‧‧fasteners

90‧‧‧ Spring

92‧‧‧Second buckle

200‧‧‧Fixed devices

202‧‧‧ Inserts

204‧‧‧ Cards

206‧‧‧ Body

208‧‧‧Card arm

210‧‧‧Second card squat

1 is a schematic exploded view of a fixing device and a bracket according to an embodiment of the present invention; FIG. 1A is a schematic view showing a bracket connected to a first rail according to an embodiment of the present invention; and FIG. 2 is a schematic view showing a mounting device of the embodiment of the present invention mounted on a bracket. FIG. 3 is a cross-sectional view showing the bracket of the embodiment of the present invention installed on a support column; FIG. 4 is a schematic view showing another embodiment of the bracket of the embodiment of the present invention mounted on the support column; FIG. 5 is a schematic view showing the operation of the bracket of the embodiment of the present invention, and FIG. 6 is a view showing the bracket of the embodiment of the present invention; FIG. 7 is a schematic view showing the mounting of a rack in a rack according to an embodiment of the present invention; FIG. 8 is a schematic view showing the fastening between the fixing device and the cabinet according to the embodiment of the present invention; 9 is a schematic view showing the operation of the cabinet from the fixing device; FIG. 10 is an exploded perspective view showing the fixing device and the bracket according to another embodiment of the present invention; and FIG. 11 is a schematic view showing the fixing device of the other embodiment of the present invention mounted on the bracket. FIG. 12 is a schematic view showing the fastening between the fixing device and the cabinet according to another embodiment of the present invention.

1 shows an embodiment of the invention including a rail assembly 10 and a fixture 12. The slide rail assembly 10 includes a first rail 14 , a second rail 16 slid relative to the first rail 14 , and a bracket 18 . Preferably, a third rail 20 is slidably coupled between the first rail 14 and the second rail 16 such that the second rail 16 can be pulled out relative to the first rail 14 by the third rail 20 Expand to a longer trip. In a preferred embodiment, a support plate 22 is further fixedly mounted on the first rail 14, and the bracket 18 is connected to the support plate 22, since the support plate 22 is fixedly mounted on the first rail 14 Therefore, the support plate 22 can also be regarded as a part of the first rail 14. On the other hand, as shown in FIG. 1A, the bracket 18 can also be coupled to the first rail 14. In more detail, the bracket 18 includes a side panel 24 and an end panel 26 that are substantially perpendicularly connected to the side panel 24. Preferably, the end plate 26 extends in a bent manner from the front end of the side plate 24. The side panel 24 has a window 28. The end plate 26 includes a pair of mounting holes 30 and a through hole 32. Preferably, the perforations 32 are located between the pair of mounting holes 30. The fixing device 12 includes an inserting member 34, a latching member 36, and an elastic member 38.

1 and 2 further show the arrangement relationship of the fixing device 12 according to the embodiment of the present invention. The insert member 34 is disposed on the end plate 26 corresponding to the bracket 18. The insert member 34 includes a head portion 40 and a body portion 42. And a first button portion 44. The head 40 is connected to the body 42. Preferably, the head 40 extends from one end of the body 42. The body 42 is a perforation 32 that is placed through the end plate 26 of the bracket 18, the body 42 having a groove 46. The first fastening portion 44 is disposed on the body portion 42. Preferably, the body portion 42 has a concave portion 48. The first fastening portion 44 is located on the side of the concave surface region 48 adjacent to the head portion 40. . In a preferred embodiment, the fixing device 12 further includes a fixing base 50 and a pair of mounting members 52 mounted on the fixing base 50. The holder 50 is fixedly mounted to the bracket 18. Preferably, the pair of mounting members 52 are provided with end plates 26 corresponding to the brackets 18, for example, the pair of mounting members 52 are the pair of mounting holes 30 that are received in the end plates 26 of the brackets 18. In a preferred embodiment, each mounting member 52 includes a movable rectangular body 54, a cylindrical body 56, and a spring 58. The rectangular body 54 is slidably coupled to the cylindrical body 56. The elastic force of the spring 58 is applied to the rectangular body 54 such that the rectangular body 54 projects from the fixing base 50 by a spring force of the spring 58 at a predetermined position. The configuration of the mounting member 52 and its function can be further referred to in US Pat.

The latching member 36 includes an operating portion 60, a latching arm 62, and is slidably opposed to the inserting member 34. The operation portion 60 is disposed corresponding to the window 28 of the side plate 24 of the bracket 18; in a preferred embodiment, the operation portion 60 is bently extended from one end of the latch arm 62. The latching arm 62 is a groove 46 that is received in the inserting member 34, and the latching arm 62 is provided with a first latching projection 66 extending beyond the groove 46 of the inserting member 34. Preferably, the operating portion 60 extends through and protrudes from the window 28 to facilitate the user to press the operating portion 60. Preferably, the operating portion 60 is slidable Dynamically abutting the window 28, the latching member 36 is displaceable relative to the inserting member 34, thereby operating the first latching projection 66 of the latching arm 62 to extend or retract into the slot 46 of the inserting member 34. . Preferably, the side plate 24 of the bracket 18 further includes a first guiding portion 68. The latching member 36 further includes a second guiding portion 70 and is connected to the first guiding portion by a guiding member 72. The second guiding portion 70 and the second guiding portion 70 are configured to slide the latching member 36 relative to the bracket 18. Preferably, the guide member 72 can be integral with one of the first guiding portion 68 and the second guiding portion 70. In an example, the first guiding portion 68 is a set of holes, the second guiding portion 70 is a linear groove, and the guiding member 72 is a latch member, and the latch member is worn. The recess is fixed in the assembly hole, so that the latch 36 can slide relative to the bracket 18 along the latch along the recess. In another example, the first guiding portion 68 is a groove, the second guiding portion 70 is a set of connecting holes, and the guiding member 72 is a latch member, and the latch member is worn. The recess is fixed in the set of holes, so that the latch member 36 can slide linearly relative to the bracket 18 along the recess. It should be noted that the mount 50 can also be considered part of the bracket 18 when the mount 50 is fixedly mounted to the bracket 18. In another embodiment, the first guiding portion 68 is disposed on the fixing base 50, so that the locking member 36 is guided by the second guiding portion 70 and the guiding portion The guide 72 slides relative to the bracket 18. In other words, the latch member 36 is slidably coupled to one of the mount 50 and the bracket 18.

The elastic member 38 is disposed between the side plate 24 of the bracket 18 and the latch member 36. Further, the side plate 24 has a first connecting portion 74. The latching member 36 has a second connecting portion 76. The two ends of the elastic member 38 are respectively provided by the first connecting portion 74 and the second connecting portion 76. The connection, as shown in FIG. 3, is provided by the elastic member 38 to provide an elastic force to the latching member 36, so that the first latching projection 66 of the latching member 36 is retained by the elastic force of the elastic member 38. Extend to the insertion The groove 34 of the piece 34 is outside. In another embodiment, the first connecting portion 74 is disposed on the fixing base 50 (not shwon). In other words, the first connecting portion 74 is disposed at one of the fixing base 50 and the bracket 18.

3 and 4 further illustrate a schematic view of the rail assembly 10 of the embodiment of the present invention mounted on a rack 78. The rack 78 includes at least one support post 80. The support post 80 has a plurality of holes, for example, including a first hole 82a, a second hole 82b, and a third hole 82c at the first hole 82a and the second hole. Between the holes 82b. In more detail, the slide rail assembly 10 is respectively inserted into the first hole 82a and the second hole 82b of the support post 80 by a pair of mounting members 52 of the fixing device 12, and the insert 34 of the fixing device 12 is inserted. The third hole 82c of the support post 80, the latching arm 62 of the latching member 36 of the fixing device 12 is a groove 46 that is inserted into the insert member 34, and acts on the latch by the elastic force of the elastic member 38. The member 36 is configured to extend the first latching projection 66 of the latching member 36 to the outside of the groove 46 of the inserting member 34, and to form an abutting relationship with the supporting post 80. According to such an installation configuration, the slide rail assembly 10 is mounted on the support post 80 by a pair of mounting members 52 of the fixing device 12, and corresponds to the first latching projection 66 of the latching member 36 of the fixing device 12. The support post 80 is configured such that the slide rail assembly 10 can be mounted to the support post 80 of the frame 78 without falling out of the support post 80.

In a preferred embodiment, the length of the insert 34 from the mount 50 can be greater than the length of the pair of mounts 52 from the mount 50.

5 and 6 further illustrate a schematic view of the operation of the slide rail assembly 10 of the embodiment of the present invention being detached from the rack 78. The user can apply an external force F1 from the window 28 of the bracket 18 to the operating portion 60 of the latching member 36, so that the latching member 36 is displaced by the external force against the elastic force generated by the elastic member 38 until the card The first latching projection 66 of the jaw 36 is retracted without interfering with the The support post 80 of the frame 78, in this state, the first click protrusion 66 of the latch member 36 is disengaged from the abutment relationship with the support post 80. Therefore, the slide rail assembly 10 can be detached from the support post 80 of the frame 78 in the lateral direction, as shown in the F2 direction of FIG.

Figure 7 shows a cabinet 84 mounted to the aforementioned rack 78 by means of a pair of rail assemblies 10, the rack comprising four support columns 80. In a preferred embodiment, the cabinet 84 includes at least one snap device 86 corresponding to the aforementioned securing device 12.

8 shows that the snap device 86 includes a fastener 88 and a spring 90, wherein the fastener 88 has a second fastening portion 92 corresponding to the first fastening portion 44 of the insert 34 of the fixing device 12, the insertion The first buckle portion 44 of the member 34 and the second fastening portion 92 of the fastener member 88 can be applied to the fastener member 88 by the elastic force generated by the spring 90, so that the first fastening portion 44 of the insert member 34 is The second fastening portions 92 of the fasteners 88 can be held in abutment relative to each other. With this arrangement, the cabinet 84 can be firmly engaged with the fixing device 12 of the slide rail assembly 10 by the snap device 86.

FIG. 9 shows the fastener 88 applied to the latching device 86 by an external force F3. The fastener 88 is displaced by an external force and overcomes the elastic force generated by the spring 90, so that the second fastening portion 92 of the fastener 88 is self-retained. The first buckle portion 44 of the insert member 34 is disengaged. In this state, the cabinet 84 can be easily pulled out of the frame 78 by the aforementioned pair of slide rail assemblies 10.

10 to 12 show another preferred embodiment of the fixing device 200 of the present invention. The fixing device 200 includes an insert member 202 and a latching member 204. The insert member 202 only needs to be provided with a body portion 206. The latching arm 208 of the latch 204 has a second latching portion 210 corresponding to the second latching portion 92 of the latching device 86 of the cabinet 84. When the cabinet 84 is mounted on the rack 78 by the aforementioned pair of rail assemblies 10, the second buckle portion 92 of the latching device 86 of the cabinet 84 and the second latching body 210 of the latch member 204 Bonded to each other. Therefore, the embodiment can omit the insertion of the foregoing embodiment. The head 40 of the inlet 32 and the first buckle 44 are disposed.

It should be noted that the fixing device 12 or 200 referred to in the present invention mainly includes an insert 34 or 202, a latch member 36 or 204, and an elastic member 38. Preferably, the fixture 12 or 200 further includes at least one mounting member 52. The buckle device 86 is not limited to the cabinet 84.

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‧‧‧Slide rail assembly

12‧‧‧Fixed devices

14‧‧‧First track

16‧‧‧second track

18‧‧‧ bracket

20‧‧‧ third track

22‧‧‧Support board

24‧‧‧ side panels

26‧‧‧End board

28‧‧‧ window

30‧‧‧Installation holes

32‧‧‧Perforation

34‧‧‧ Inserts

36‧‧‧ Cards

38‧‧‧Flexible parts

40‧‧‧ head

42‧‧‧ Body

44‧‧‧First buckle

46‧‧‧ trench

48‧‧‧ concave area

50‧‧‧ fixed seat

52‧‧‧Installation

54‧‧‧Rectangular body

56‧‧‧Cylindrical body

58‧‧‧ Spring

60‧‧‧Operation Department

62‧‧‧Card arm

66‧‧‧First card 掣 convex

68‧‧‧First Guidance

70‧‧‧Second guidance

72‧‧‧Guide

74‧‧‧First connection

76‧‧‧Second connection

Claims (18)

A fixing device for a slide rail assembly, the slide rail assembly comprising a support plate, and a bracket connecting the support plate, wherein the bracket comprises a side plate and an end plate, the side plate having a window, the end plate substantially The upper side is vertically connected to the side panel, and the fixing device comprises: at least one mounting member, and an end plate corresponding to the bracket; an inserting member, an end plate corresponding to the bracket, the insert having a groove, a body portion and a head portion are coupled to the body portion, the body portion of the insert member includes a concave area and a first buckle portion is located on a side of the concave surface adjacent to the head portion; a latch member is relatively slid In the bracket, the latching member includes an operating portion and a latching arm, wherein the operating portion is a window corresponding to the side panel of the bracket, and the latching arm is a groove that is received in the inserting member, The latching arm has a first latching protrusion; and an elastic member provides an elastic force acting on the latching member, so that the first latching projection of the latching member extends to the same by the elastic force of the elastic member Outside the groove of the insert. The fixing device of the slide rail assembly of claim 1, wherein the end plate is provided with a through hole, and the insert is threaded through the through hole. The fixing device of the slide rail assembly as claimed in claim 1, wherein the end plate has a pair of mounting holes, and further comprises a fixing seat and a pair of mounting members Mounted in the mount, the mount is fixedly mounted to the bracket, and the pair of mounts are the pair of mounting holes that pass through the end plates of the bracket. The fixing device of the slide rail assembly of claim 3, wherein each mounting member comprises a movable rectangular body, a cylindrical body, and a spring, wherein the rectangular body is relatively slidably coupled to the cylindrical body The body, the spring force of the spring is applied to the rectangular body, so that the rectangular body protrudes from the fixing seat at a predetermined position by the elastic force of the spring. The fixing device of the slide rail assembly as claimed in claim 4, wherein the operating portion of the latch member is slidably opposed to the inner wall of the window, so that the latch member is displaceable relative to the insert member, thereby operating The first latching projection of the latching arm projects or retracts into the slot of the insert. The fixing device of the slide rail assembly of claim 5, wherein the side plate of the bracket further comprises a first guiding portion, the latching member further comprising a second guiding portion, and by means of a guiding member The first guiding portion and the second guiding portion are disposed between the first guiding portion and the second guiding portion, so that the locking member is slid relative to the bracket. A fixing device for mounting on a bracket, comprising: at least one mounting member disposed on the bracket; an insert member corresponding to the bracket, the insert having a groove, a body and a head Connected to the body, the body of the insert comprises a concave area and a first buckle is located on a side of the concave area adjacent to the head; a latching member that slides relative to the bracket, the latching member includes a latching arm, the latching arm is a slot that is received in the inserting member, and the latching arm has a first latching protrusion And an elastic member for providing an elastic force to the clamping member, so that the first latching projection of the latching member protrudes out of the groove of the inserting member by the elastic force of the elastic member. The fixing device of claim 7, wherein the bracket comprises a side panel and an end panel, the end panel being substantially perpendicularly connected to the side panel, the latching member comprising an operating portion corresponding to the side panel of the bracket. The fixing device of claim 8, wherein the end plate is provided with a through hole, and the insert is threaded through the through hole. The fixing device of claim 8, wherein the end plate has a pair of mounting holes, and further comprising a fixing seat and a pair of mounting members mounted on the fixing seat, the fixing seat being fixedly mounted on the bracket, The pair of mounting members are the pair of mounting holes that pass through the end plates of the bracket. The fixing device of claim 10, wherein each mounting member comprises a movable rectangular body, a cylindrical body, and a spring, wherein the rectangular body is slidably coupled to the cylindrical body, the spring An elastic force is applied to the rectangular body such that the rectangular body projects from the fixing seat at a predetermined position by the elastic force of the spring. The fixing device of claim 8, wherein the side panel has a window, and the operating portion of the latch member is slidable against the inner wall of the window, such that The latch member is displaceable relative to the insert member, thereby operating the first latching projection of the latching arm to extend or retract into the slot of the insert. The fixing device of claim 8, wherein the bracket further comprises a first guiding portion, the latching member further comprising a second guiding portion, and the first guiding portion is disposed by means of a guiding member Between the portion and the second guiding portion, the latching member is slid relative to the bracket. The fixing device of claim 7, wherein the first fastening portion of the insert is for engaging with the locking device of a cabinet. The fixing device of claim 7, wherein the latching member has a second latching projection for engaging with a latching device of a cabinet. A slide rail assembly for mounting on a rack, the rack includes a plurality of support columns, each support post having a plurality of holes, including a first hole, a second hole, and a third hole Between the first hole and the second hole; and a cabinet mounted on the frame by a pair of slide rail assemblies, the cabinet includes a snap device; each slide rail assembly includes: a first rail; a second rail sliding relative to the first rail; a bracket connecting the first rail, the bracket comprising a side panel and an end panel, the side panel having a window, the end panel being substantially perpendicularly connected to the side panel, and The end plate includes a pair of mounting holes and a through hole; a fixing seat fixedly mounted to the bracket; a third rail slidably coupled between the first rail and the second rail; An insert member is disposed corresponding to the end plate of the bracket, and a part of the insert member is a through hole passing through the end plate of the bracket, the insert member has a groove and a first buckle portion, the first buckle a latching device corresponding to the cabinet; a latching member sliding relative to the bracket, the latching member comprising an operating portion and a latching arm, wherein the operating portion is corresponding to the side panel of the bracket a window, the latching arm is a groove that is disposed in the insert, the latching arm has a first latching protrusion; and an elastic member provides an elastic force to the latching member to cause the latching The first latching projection of the piece extends out of the groove of the insert by the elastic force of the elastic member; a pair of mounting members are mounted on the fixing seat, and the pair of mounting members are passed through the end plate of the bracket The pair of mounting holes; wherein the pair of mounting members are respectively inserted into the first hole and the second hole of the support column of the frame, and the insert is a third hole inserted into the support column of the frame, and the The latching arm of the latching member is a groove that is inserted into the inserting member, and acts on the latching member by the elastic force of the elastic member, so that the latching member The first latching protrusion extends beyond the groove of the insert and can abut the support post of the frame; when the slide rail assembly is mounted on the rack and pushed into the rack for folding, the The first fastening portion of the insert and the locking device of the cabinet can be fastened to each other. The slide rail assembly of claim 16, wherein the operating portion of the latch member is slidable against the inner wall of the window, such that the latch member is opposite to the insert The displacement of the insert, and thus the first latch projection of the latch arm, extends or retracts into the groove of the insert. The slide rail assembly of claim 16, wherein the bracket further comprises a first guiding portion, the latching member further comprising a second guiding portion, and is disposed on the first portion by means of a guiding member Between the guiding portion and the second guiding portion, the latching member is slid relative to the bracket.