TW201940100A - Slide rail assembly - Google Patents

Abstract

A slide rail assembly includes a first rail, a second rail, a mounting fitting, a third rail, a fourth rail and an engaging member. The mounting fitting includes a first portion, a second portion and a third portion. The first and second portions are connected to the third portion and are respectively extended in different directions. The third rail is connected to the first portion of the mounting fitting and is displaceable with respect to the first rail. The fourth rail is connected to the second portion of the mounting fitting, and the second rail is displaceable with respect to the fourth rail. The engaging member is movably mounted to the mounting fitting. The engaging member is configured to provide the mounting fitting and the second rail to displace synchronously in a predetermined direction.

Description

Rail assembly

The invention relates to a slide rail, in particular to a slide rail assembly having two or more sections of slide rails.

As shown in FIG. 1, in a rack system 100, a carrier 102 is mounted to a rack with slide rail assemblies 104 arranged on the left and right sides of the rack 102 like a drawer. Among them, the rack usually has a plurality of machine pillars, such as a pair of front machine pillars 106 and a pair of rear machine pillars (the pair of rear machine pillars are omitted here), for each slide rail assembly 104 to be installed use.

Further, a standard width specification is generally provided between the pair of machine posts 106 of the rack, such as a first width W1. On the other hand, the overall width of the individual widths of the two sets of left and right slide rail assemblies 104 (for example, the second width W2) and the width of the carrier 102 (for example, the third width W3) must correspond to the machine The first width W1 of the frame. Based on this relationship, sometimes the width of the carrier 102 required by the market is different (that is, the width of the carrier 102 may not be the third width W3), which also means that the width of the slide rail assembly 104 must be It is changed so that the overall width of the slide rail assembly 104 and the carrier 102 matches the first width W1 described above. It can be seen that once the width of the carrier 102 required by the market is wider (that is, the width of the slide rail assembly 104 may have to be limited to a narrower width) When the width condition is limited, how to consider the strength of the slide rail assembly (such as structural strength or support strength) becomes a problem that cannot be ignored.

The present invention relates to a slide rail assembly that allows multiple slide rails to be assembled with each other through a mounting accessory to form two or more sections.

According to one aspect of the present invention, a slide rail assembly includes a first rail, a second rail, a mounting accessory, a third rail, a fourth rail, a latching member, and an elastic member. The mounting accessory includes a first part, a second part, and a third part. The first part and the second part are connected to the third part and extend in different directions. The third rail is connected to the first part of the mounting part. One, and the third rail is displaceable relative to the first rail; the fourth rail is connected to the second part of the mounting accessory, and the second rail is displaceable relative to the fourth rail; the latch is movably mounted to The mounting accessory; the elastic member provides elastic force to the latch member; wherein, when the second rail is displaced from a collapsed position to a first direction to a first predetermined position, the latch member responds to the elastic member to provide The elastic force can be locked to the second rail, so that the mounting accessory can be displaced synchronously with the second rail in the first direction.

Preferably, the fourth track includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the fourth track, and the second track includes a first wall, A second wall and a side wall are connected between the first wall and the second wall of the second rail, the latch is pivoted relative to the mounting accessory, and one of the first wall and the second wall of the fourth rail is There is a gap, the gap can be penetrated by a latch portion of the latch, and one of the first wall and the second wall of the second rail has an abutment When the second rail is in the first predetermined position, the latching portion of the latching member contacts the abutting portion, so that the second rail can drive the mounting accessory in the first direction through the abutting portion. .

Preferably, the slide rail assembly further includes a work piece disposed on the first track, and when the second track is displaced from the first predetermined position to the first direction to a second predetermined position, the work piece is passed through the work piece. The latching component is guided so that the latching portion of the latching component no longer contacts the abutting portion, and is used to release the synchronous displacement relationship between the mounting accessory and the second rail.

Preferably, the first portion and the second portion are substantially perpendicularly connected to the third portion.

Preferably, the mounting accessory includes a first side and a second side, the third rail is connected to the first side of the first part of the mounting accessory, and the fourth rail is connected to the second part of the mounting accessory The second side.

Preferably, the first side and the second side are opposite sides.

Preferably, the first track includes a first wall, a second wall and a side wall connected between the first wall and the second wall of the first track, and the first wall and the second wall of the first track The wall and the side wall define a first channel, and the third rail is displaceable relative to the first rail through the first channel.

Preferably, the third rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the third rail, and the side wall of the third rail is connected to the installation. The first part of the accessory, and the first wall and the second wall of the third rail are located in the first passage.

Preferably, the slide rail assembly further includes a first sliding aid device movably installed between the first rail and the third rail, and the first sliding aid device includes a plurality of sliding aids for supporting the sliding aids. Between the first rail and the first wall of the third rail, and between the first rail and the second wall of the third rail.

Preferably, the first wall of the first rail has a first segment and a second segment bent relative to the first segment, and the second wall of the first rail has a third segment opposite to a fourth segment The third segment is bent.

Preferably, the side wall of the fourth rail is connected to the second part of the mounting accessory, the first wall, the second wall, and the side wall of the fourth rail define a second passage, and the second rail passes through the first rail. The two channels can be displaced relative to the fourth track.

Preferably, the first wall and the second wall of the second rail are located in the second channel.

Preferably, the slide rail assembly further includes a second sliding aid device movably installed between the fourth rail and the second rail. The second sliding aid device includes a plurality of sliding aids for supporting the sliding aids. Between the second rail and the first wall of the fourth rail, and between the second rail and the second wall of the fourth rail.

Preferably, one of the first wall and the second wall of the first rail has a positioning portion, and when the mounting accessory is displaced to the third predetermined position to a third predetermined position, the latching member returns to elasticity. The elastic force of the piece can be latched to the positioning portion of the first rail to prevent the mounting accessory from being displaced in the first direction or a second direction relative to the first rail.

Preferably, the slide rail assembly further includes a buffer member disposed at the first A rail and a contact are disposed on the third rail. When the third rail should return the mounting fitting to the first direction to a predetermined stroke, the contact contacts the buffer member to provide a buffering effect.

Preferably, a front portion adjacent to the first rail includes a first stop, and the slide rail assembly further includes a holding seat, and the buffer is installed between the first stop and the holding seat.

Preferably, a front portion adjacent to the fourth rail includes a second stop, and a stop is movably connected to the second rail. When the second rail is displaced in the first direction relative to the fourth rail, When in an open position, the stopper can contact a stopper of the second stopper in a blocking position to prevent the second rail from continuing to move in the first direction, and an operating member can be used to operate the stopper The piece is no longer in this blocking position.

Preferably, when the second rail is displaced from the open position to the second direction to a predetermined collapsed position, the second rail will drive the latching member so that the latching member is no longer latched to the first Positioning section of a track.

According to another aspect of the present invention, a slide rail assembly includes a first rail, a second rail, a mounting accessory, a third rail, a fourth rail, and a latch. The mounting accessory includes a first portion, a second portion, and a third portion. The first portion and the second portion are substantially perpendicularly connected to the third portion and extend in different directions. The third rail connects the A first part of the mounting accessory, and the third rail is displaceable relative to the first rail; the fourth rail is connected to a second part of the mounting accessory, and the second rail is displaceable relative to the fourth rail; the latch Arranged at this installation One of the first rail and the fourth rail, the latch is used for providing the mounting accessory to be latched to the second rail, so that the mounting accessory can be synchronized with the second rail in a first direction.

<Learning Technology>

100‧‧‧ rack system

102‧‧‧Load

104‧‧‧Slide rail assembly

106‧‧‧machine pillar

W1‧‧‧first width

W2‧‧‧Second width

W3‧‧‧ Third width

<Example of this case>

20‧‧‧ Slide rail assembly

22‧‧‧ first track

22a‧‧‧Front

22b‧‧‧Rear

24‧‧‧Second Track

26‧‧‧Third Track

27‧‧‧ long slot

28‧‧‧Fourth Track

28a‧‧‧front

30‧‧‧Mounting accessories

32a‧‧‧First Wall

32b‧‧‧Second Wall

34‧‧‧Side wall

36‧‧‧First channel

38‧‧‧ Buffer

38a‧‧‧End

38b‧‧‧ the other end

40‧‧‧First Block

41‧‧‧retaining wall

42‧‧‧retaining seat

42a‧‧‧ support feet

44a‧‧‧Part I

44b‧‧‧Part 2

44c‧‧‧Part III

46a‧‧‧First Wall

46b‧‧‧Second Wall

48‧‧‧ side wall

50‧‧‧The first sliding aid

50a‧‧‧The first sliding aid

50b‧‧‧Second slip aid

52a‧‧‧First Wall

52b‧‧‧Second Wall

54‧‧‧Side wall

56‧‧‧Second Channel

58a‧‧‧First Wall

58b‧‧‧Second Wall

60‧‧‧Side wall

62‧‧‧Second slip assist device

62a‧‧‧The first sliding aid

62b‧‧‧Second slip aid

64‧‧‧ detent

65‧‧‧ Elastic Department

66‧‧‧Elastic piece

67‧‧‧Shaft

68‧‧‧ gap

70‧‧‧ detent

71‧‧‧Another detent

72‧‧‧Abutting Department

74‧‧‧workpiece

75‧‧‧ leading section

76‧‧‧Positioning Department

78‧‧‧Contact

80‧‧‧Second Block

81‧‧‧ Block

82‧‧‧stop

83‧‧‧ spring seat

84‧‧‧operating parts

84a‧‧‧Release Department

86‧‧‧Guide

88‧‧‧ load

90a‧‧‧first machine pillar

90b‧‧‧Second machine pillar

D1‧‧‧ first direction

F‧‧‧Strength

H‧‧‧ space

L1‧‧‧First side

L2‧‧‧Second side

P1‧‧‧First scheduled position

P2‧‧‧Second scheduled position

P3‧‧‧ Third scheduled position

P4‧‧‧ open position

P5‧‧‧Scheduled collapse position

R‧‧‧ Collapsed position

S1‧‧‧ first paragraph

S2‧‧‧ Paragraph 2

S3 ‧‧‧ third paragraph

S4‧‧‧ Paragraph 4

X1‧‧‧ blocking position

X2‧‧‧ unblocked position

Y1‧‧‧first width

Y2‧‧‧Second width

Y3‧‧‧ third width

FIG. 1 shows a schematic diagram of a conventional rack system. FIG. 2 shows a schematic perspective view of a slide rail assembly according to an embodiment of the present invention. FIG. 3 shows an exploded schematic view of a slide rail assembly according to an embodiment of the present invention. FIG. 4 shows FIG. 3A Area enlarged schematic diagram; Figure 5 shows a schematic sectional view of the slide rail assembly according to the embodiment of the present invention; Figure 6 shows a schematic diagram of the slide rail assembly in the folded position according to the embodiment of the present invention; Figure 7 shows an enlarged schematic view of the area A of Figure 6 Figure 8 shows an enlarged schematic view of area B in Figure 6; Figure 9 shows the second rail and the mounting accessory when the second rail of the slide rail assembly of the embodiment of the present invention is displaced to a first predetermined position in a first direction A schematic diagram of synchronous displacement through a latch; FIG. 10 shows an enlarged schematic view of the area A in FIG. 9; and FIG. 11 shows the second rail of the slide rail assembly and the mounting accessory of the embodiment of the present invention are displaced to the first direction to A schematic diagram of a working piece on the first rail contacting the latch during a second predetermined position; FIG. 12 shows the second rail of the slide rail assembly and the mounting accessory in the first direction according to the embodiment of the present invention. When moving to the second predetermined position, Schematic diagram of releasing the synchronous displacement relationship between the second rail and the mounting accessory through the work piece; FIG. 13 shows a process in which the mounting accessory of the slide rail assembly according to the embodiment of the present invention is displaced in the first direction to a third predetermined position, A schematic diagram of the work piece in contact with the latch; FIG. 14 shows that when the mounting accessory of the slide rail assembly according to the embodiment of the present invention is displaced to the third predetermined position in the first direction, the latch is latched to the first rail A positioning Fig. 15 shows a schematic diagram of the mounting accessory contacting a buffer member through a contact member when the second rail of the embodiment of the present invention is displaced to the first direction to a position; Fig. 16 shows an enlarged schematic diagram of the area A of Fig. 15 FIG. 17 shows a schematic diagram of the mounting accessory further contacting the buffer member through the contact member when the second rail of the embodiment of the present invention is displaced to the first direction to an open position; FIG. 18 shows an enlarged schematic diagram of the area A of FIG. 17 Figure 19 shows a schematic diagram of the second rail in the open position according to the embodiment of the present invention; Figure 20 shows the second track of the slide rail assembly according to the embodiment of the present invention in the process of displacement A schematic diagram of the second rail contacting the latch; FIG. 21 shows a process in which the second rail of the slide rail assembly of the embodiment of the present invention continues to move in the second direction, the second rail drives the latch to make the latch FIG. 22 is a schematic diagram of the components being released from the positioning portion of the first rail; and FIG. 22 is a schematic diagram of a rack system according to an embodiment of the present invention.

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

As shown in FIG. 2, the slide rail assembly 20 according to the embodiment of the present invention includes a first rail 22, a second rail 24, a third rail 26, a fourth rail 28, and a mounting accessory 30.

As shown in FIG. 3 to FIG. 5, the first rail 22 and the second rail 24 are arranged in an upward and downward parallel relationship. Such a relationship makes the position of the first rail 22 and the position of the second rail 24 have Difference in height. In this embodiment (as shown in FIG. 5), although the first rail 22 is located above the second rail 24, however, the In an alternative embodiment, the second rail 24 may be located above the first rail 22, and the implementation is not limited. The third rail 26 and the fourth rail 28 are fixedly connected to the first portion 44 a and the second portion 44 b of the mounting member 30, respectively. The third rail 26 is displaceable relative to the first rail 22, and the second rail 24 is displaceable relative to the fourth rail 28.

The first rail 22 includes a first wall 32a, a second wall 32b, and a side wall 34 connected between the first wall 32a and the second wall 32b of the first rail 22. A wall 32a, a second wall 32b, and a side wall 34 define a first passage 36. The first rail 22 has a front portion 22a and a rear portion 22b.

The appearance of the mounting accessory 30 is similar to the English letter "N". The first portion 44a and the second portion 44b are arranged in an upper and lower relationship. Preferably, the mounting portion 30 further includes a third portion 44c. The three parts 44c are essentially a horizontal part as an example, but the implementation is not limited. The first portion 44a and the second portion 44b are substantially perpendicularly connected to two portions of the third portion 44c, respectively, and extend in different directions. For example, the first portion 44a extends upward by a predetermined length, and the second portion 44b extends downward by a predetermined length.

The third rail 26 is connected to the first portion 44 a of the mounting fitting 30 and is located on a first side L1 of the mounting fitting 30. The third rail 26 is displaceable relative to the first rail 22 through the first channel 36. The third rail 26 includes a first wall 46a, a second wall 46b, and a side wall 48 connected between the first wall 46a and the second wall 46b of the third rail 26. The side wall 48 is connected to the first portion 44 a of the mounting fitting 30, and the first wall 46 a and the second wall 46 b of the third rail 26 are positioned. In the first channel 36. Preferably, the slide rail assembly 20 further includes a first slide assisting device 50 movably installed between the first rail 22 and the third rail 26. The first sliding aid device 50 includes a plurality of sliding aids, such as a first sliding aid 50a and a second sliding aid 50b. The first sliding aid 50a and the second sliding aid 50b are balls or Roller and the like. The first sliding aid 50a is used to support between the first wall 32a of the first rail 22 and the first wall 46a of the third rail 26, and the second sliding aid 50b is used to support the first sliding aid 50b. Between the second wall 32 b of the rail 22 and the second wall 46 b of the third rail 26. Preferably, the first wall 32a of the first rail 22 has a first segment S1 and a second segment S2 bent relative to the first segment S1, and the second wall 32b of the first rail 22 has a third Segment S3 and a fourth segment S4 are bent relative to the third segment S3. According to this configuration, it can be used to increase the structural strength or support strength of the first rail 22.

The fourth rail 28 is connected to the second portion 44 b of the mounting fitting 30 and is located on a second side L2 of the mounting fitting 30. The first side L1 and the second side L2 are opposite sides. The fourth rail 28 includes a first wall 52a, a second wall 52b, and a side wall 54 connected between the first wall 52a and the second wall 52b of the fourth rail 28. The side wall 54 of the fourth rail 28 is connected to the second portion 44 b of the mounting fitting 30, and the first wall 52 a, the second wall 52 b, and the side wall 54 of the fourth rail 28 define a second passage 56. The second rail 24 is displaceable relative to the fourth rail 28 through the second channel 56.

The second rail 24 includes a first wall 58a, a second wall 58b, and a side wall 60 connected between the first wall 58a and the second wall 58b of the second rail 24. A wall 58 a and a second wall 58 b are located in the second channel 56. Preferably, the slide rail assembly 20 further includes a second slide assisting device 62 movably installed between the fourth rail 28 and the second rail 24. The second sliding aid device 62 includes a plurality of sliding aids, such as a first sliding aid 62a and a second sliding aid 62b. The first sliding aid 62a and the second sliding aid 62b are balls or rollers. And the like. The first sliding aid 62a is used to support between the first wall 58a of the second rail 24 and the first wall 52a of the fourth track 28, and the second sliding aid 62b is used to support the second Between the second wall 58b of the rail 24 and the second wall 52b of the fourth rail 28.

Preferably, as shown in FIGS. 3, 6 and 7, the slide rail assembly 20 further includes a latching member 64 and an elastic member 66. The latching member 64 is movably mounted to the mounting accessory 30. Here, the latching member 64 is pivotally connected to the mounting accessory 30 through a shaft member 67 as an example; and the elastic member 66 has an elastic portion 65 (this A part can also cooperate with referring to FIG. 4) to provide elastic force to the latching member 64. Further, one of the first wall 52a and the second wall 52b of the fourth rail 28 has a hole or a notch 68, and the notch 68 can be penetrated by a latching portion 70 of the latching member 64. . Preferably, the latching member 64 further has another latching portion 71. The shaft member 67 is located between the latching portion 70 and the other latching portion 71. Preferably, the elastic portion 65 of the elastic member 66 abuts the adjacent latching portion 71. Preferably, one of the first wall 58 a and the second wall 58 b of the second rail 24 has an abutting portion 72. In this embodiment, the second rail 24 has a space H (for example, a hole, a slot, or a gap) for receiving the latching portion 70 of the latching member 64, and the abutting portion 72 is a space of the space H Wall surface.

Preferably, as shown in FIGS. 3 and 6, the slide rail assembly 20 further includes A work piece 74 is disposed on the first rail 22. Here, the work piece 74 is a second wall 32 b connected to the first rail 22. The working piece 74 is used for matching with the latching piece 64.

Preferably, as shown in FIGS. 3 and 6, one of the first wall 32 a and the second wall 32 b of the first rail 22 has a positioning portion 76. The positioning portion 76 is, for example, a groove, a hole, or a gap. .

Preferably, as shown in FIGS. 3 and 6, the slide rail assembly 20 further includes a buffer member 38 disposed on the first rail 22, and the buffer member 38 is disposed adjacent to the first rail 22. The front part 22a (this part can be coordinated with reference to FIG. 8), and the buffer member 38 is, for example, a soft plastic material or a cushion, but the implementation is not limited. Preferably, the front portion 22 a adjacent to the first rail 22 includes a first stopper 40 and a holding seat 42. The buffering member 38 is installed between the first blocking seat 40 and the holding seat 42, wherein the position of the buffering member 38 corresponds to a blocking wall 41 of the first blocking seat 40, and the blocking wall 41 can be used to provide the The buffer 38 abuts.

Preferably, as shown in FIG. 3 and FIG. 6, the slide rail assembly 20 further includes a contact member 78 disposed on the third rail 26, and the contact member 78 is used for matching with the buffer member 38. The contact 78 is a separate component connected to the third rail 26; alternatively, the contact 78 may be integrated with the third rail 26. Here, the contact member 78 is a protrusion protruding from the side wall 48 of the third rail 26 as an example, but it is not limited.

Preferably, as shown in FIGS. 3 and 6, the front portion 28 a of the adjacent fourth rail 28 includes a second stopper 80, and a stopper 82 is movably connected (eg, pivoted). To the side wall 60 of the second rail 24. Preferably, an elastic base 83 provides elastic force to be applied to the blocking member 82, and an operating member 84 can be used to operate the blocking member 82 to deflect.

As shown in FIG. 6 and FIG. 7, the second rail 24 is in a closed position R, wherein the latching portion 70 of the latching member 64 abuts the second rail 24 through the gap 68 of the fourth rail 28. The first wall 58a allows the elastic member 66 (the elastic portion 65) to accumulate an elastic force.

As shown in FIGS. 9 and 10, when the second rail 24 is displaced from the closed position R to a first direction D1 to a first predetermined position P1, the latching member 64 responds to the elastic force of the elastic member 66 ( 65) releasing the elastic force to allow the latching portion 70 of the latching member 64 to enter the space H of the second rail 24 and contact the abutting portion 72 of the second rail 24, so that the mounting accessory 30 and the first The three rails 26 and the fourth rail 28 can be displaced in synchronization with the second rail 24 in the first direction D1.

As shown in FIG. 11 and FIG. 12, when the second rail 24 is displaced from the first predetermined position P1 to the first direction D1 to a second predetermined position P2, the latch 64 will contact the work piece. 74. Preferably, one of the latching member 64 and the working member 74 includes a guiding portion 86, such as a slope or a curved surface, to help guide the latching member 64 to swing. When the second rail 24 is displaced to the second predetermined position P2, the working member 74 is used to guide the latching member 64 to sway by an angle, so that the elastic member 66 (the elastic portion 65) accumulates an elastic force. The latching portion 70 of the latching member 64 no longer contacts the abutting portion 72 of the second rail 24 to release the synchronous displacement relationship between the mounting accessory 30 and the second rail 24. In other words, the second rail 24 can be independently displaced in the first direction D1 relative to the first rail 22.

As shown in FIG. 13 and FIG. 14, when the mounting accessory 30 and the third rail 26 and the fourth rail 28 are displaced to the first direction D1 to a predetermined stroke relative to the first rail 22, for example, to a first During the travel of the three predetermined positions P3, the latching member 64 responds to the elastic member 66 (the elastic portion 65). The elastic force can be deflected by an angle and locked to the positioning of the first rail 22 through the other latching portion 71. 76, and at this time, the latching portion 70 of the latching member 64 is located in the notch 68 of the fourth rail 28, so as to prevent the mounting accessory 30 from going to the first direction D1 with respect to the first rail 22 or vice versa. A displacement in a second direction of the one direction D1. Preferably, the work piece 74 has a guide section 75, such as an inclined surface or a curved surface. The latching member 64 helps to guide the other latching portion 71 to the positioning portion 76 of the first rail 22 by contacting the guiding section 75. At this time, the mounting accessory 30 and the third rail 26 and the fourth rail 28 are in an open state or an extended state with respect to the first rail 22.

As shown in FIG. 15 to FIG. 18, when the mounting accessory 30 is in the above-mentioned open state, the second rail 24 can be moved relative to the fourth rail 28 in the first direction D1 to an open position P4, and the stopper 82 In a blocking position X1, a blocking portion 81 of the second blocking seat 80 can be contacted to prevent the second rail 24 from continuing to be displaced in the first direction D1. Wherein, if the speed at which the second rail 24 is opened in the first direction D1 is high, the force with which the stopper 82 contacts or collides with the stopper 81 of the second stopper 80 will also increase. The contacting member 78 contacts the buffering member 38 to provide a buffering effect and also has the effect of reducing impact sound. Here, the contact member 78 contacts one end portion 38 a of the buffer member 38 through the holder 42, so that the other end portion 38 b of the buffer member 38 abuts against the retaining wall 41 of the first stopper 40 (as shown in FIG. (18)) and cushioning effect, so as to protect the mounting accessories 30 or slide rail related parts. Preferably, the holding seat 42 is movably mounted to the first rail 22. For example, the holding seat 42 has two supporting legs 42 a extending into a long slot 27 (or a long hole) of the first rail 22. The holding seat 42 may be slightly driven by the contact member 78 to push against the buffer member 38, so that the buffer member 38 abuts against the blocking wall 41 of the first blocking seat 40 to generate a buffering effect. However, in an alternative embodiment, the contact member 78 can also directly push against the buffer member 38 without passing through the holding seat 42. The purpose of the contact member 78 is to provide a buffering effect to protect related parts of the slide rail.

As shown in FIG. 19, when the mounting accessory 30, the third rail 26, and the fourth rail 28 are in the above-mentioned open state, the second rail 24 can be displaced relative to the fourth rail 28 in the first direction D1 to the The open position P4, and the user applies a force F to the operation member 84, so that the release portion 84a of the operation member 84 can operate the stopper 82 no longer in the above-mentioned blocking position X1 (for example, the stopper 82 is in a Blocking position X2), so that the stopper 82 no longer contacts the stopper 81 of the second stopper 80, so that the second rail 24 can continue to be displaced in the first direction D1 and be separated from the fourth rail 28. Alternatively, when the second rail 24 is in the open position P4, the user can also collapse the second rail 24 from the open position P4 to the second direction D2.

As shown in FIG. 20 and FIG. 21, when the second rail 24 is displaced from the open position P4 to the second direction D2 to a predetermined folding position P5, the second rail 24 will drive the latch 64 to deflect. At an angle, at this time, the elastic member 66 (the elastic portion 65) accumulates an elastic force, and the other locking portion 71 of the locking member 64 is no longer locked to the positioning portion 76 of the first rail 22. In other words, the mounting accessory 30 is opposite to the first The rail 22 can also be displaced in the second direction D2, so that the second rail 24 and the mounting fitting 30 and the third rail 26 and the fourth rail 28 can be retracted in the second direction D2 relative to the first rail 22 Together.

As shown in FIG. 22, the left and right sides of a load 88 can be mounted to a first machine pillar 90a and a second machine pillar 90b of a rack through a pair of slide rail assemblies 20. A first width Y1 is provided between 90a and the second machine pillar 90b. The first width Y1 of the rack is substantially the same as the first width W1 of the rack (this part can be coordinated with reference to FIG. 1). It is worth mentioning that FIG. 22 only schematically illustrates the first rail 22, the second rail 24, the mounting accessory 30, the third rail 26 and the fourth rail 28 of the slide rail assembly 20.

Further, the carrier 88 used in the embodiment of the present case has a third width Y3 which is wider than the third width W3 of the conventional carrier 102 (as shown in FIG. 1). Therefore, this will make the embodiment of the present case The width of the slide rail assembly 20 must be limited to a second width Y2 that is narrower than the second width W2 of the conventional slide rail assembly 104. However, since the third rail 26 and the fourth The rail 28 is connected to two different parts of the mounting fitting 30 to match the first rail 22 and the second rail 24. According to this, it is possible to contribute to the structural strength or support strength of the slide rail assembly 20 when the width is limited.

It can be seen that the slide rail assembly of the embodiment of the present invention includes the following characteristics:

1. The third rail 26 is displaceable relative to the first rail 22, and the second rail 24 is displaceable relative to the fourth rail 28, wherein the first rail 22 and the second rail 24 The arrangement relationship is parallel to the top and the bottom. According to this, the position of the first rail 22 and the position of the second rail 24 can be different in height. One such feature is that, in the case where the width of the two or more sections of the slide rail assembly is different from that of the conventional slide rail assembly, the third rail 26 and the fourth rail 28 in the embodiment of the present invention are connected to The two mounting parts 30 (such as the upper part and the lower part) are matched to match the first rail 22 and the second rail 24. According to this, the slide rail assembly 20 can also form two or more sections of slide rails.

2. The third rail 26 and the fourth rail 28 are connected to two different positions of the mounting fitting 30 to match the first rail 22 and the second rail 24. Accordingly, it contributes to the structural strength or support strength of the slide rail assembly 20.

3. When the second rail 24 and the mounting accessory 30 and the third rail 26 and the fourth rail 28 are displaced to a predetermined position in the first direction, they can be synchronously displaced through the latch 64.

4. When the second rail 24 is moved to an open position (for example, a fully open position), the buffer member 38 can be contacted through the contact member 78 to prevent the stopper 82 from directly contacting or hitting the second stopper 80 at the blocking position X1.的 后部 81。 The stop 81.

5. In addition to the function of synchronously displacing the mounting accessory 30 with the second rail 24, the latch 64 can also provide the mounting accessory 30 to be latched to the first rail 22 to prevent Displacement of the mounting accessory 30 relative to the first rail 22 in the first direction D1 or the second direction D2.

Although the present invention has been disclosed by the aforementioned preferred embodiments, it is not intended to limit the present invention. Therefore, the scope of protection of the present invention is based on the attached application. The scope of patents shall prevail.

Claims (20)

A slide rail assembly includes: a first rail; a second rail; a mounting accessory includes a first part, a second part, and a third part, the first part and the second part are connected to the third part A third rail is connected to the first part of the mounting accessory, and the third rail is displaceable relative to the first rail; a fourth rail is connected to the second part of the mounting accessory, and the first The second rail is displaceable relative to the fourth rail; a latch member is movably mounted to the mounting accessory; and an elastic member provides elastic force to the latch member; wherein, when the second rail moves from a collapsed position to a first When the direction is displaced to a first predetermined position, the latching member responds to the elastic force provided by the elastic member to be latched to the second rail, so that the mounting accessory can be displaced synchronously with the second rail toward the first direction. The slide rail assembly according to claim 1, wherein the fourth rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the fourth rail, and The second rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the second rail. The latch is pivoted relative to the mounting accessory, and the fourth rail One of the first wall and the second wall has a gap, The notch can be penetrated by a latching portion of the latching member, and one of the first wall and the second wall of the second rail has an abutting portion. When the second rail is at the first predetermined position, The latching portion of the latching member contacts the abutting portion, so that the second rail can drive the mounting accessory in the first direction through the abutting portion. The slide rail assembly according to claim 2, further comprising a work piece arranged on the first rail, and when the second rail is displaced from the first predetermined position to the first direction to a second predetermined position, The work piece guides the latching component, so that the latching portion of the latching component no longer contacts the abutting portion, and is used to release the synchronous displacement relationship between the mounting accessory and the second rail. The slide rail assembly according to claim 3, wherein the first portion and the second portion are substantially perpendicularly connected to the third portion. The slide rail assembly according to claim 4, wherein the mounting accessory includes a first side and a second side, the third rail is connected to the first side of the first part of the mounting accessory, and the fourth The rail is connected to the second side of the second part of the mounting fitting. The slide rail assembly according to claim 5, wherein the first side and the second side are opposite sides. The slide rail assembly according to claim 5, wherein the first rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the first rail, the The first wall, the second wall and the side wall of the first track define a first passage, and the third track is displaceable relative to the first track through the first passage. The slide rail assembly according to claim 7, wherein the third rail includes a first A wall, a second wall, and a side wall are connected between the first wall and the second wall of the third rail, and the side wall of the third rail is connected to the first part of the mounting accessory, and The first wall and the second wall are located in the first passage. The slide rail assembly according to claim 8, further comprising a first sliding aid device movably installed between the first rail and the third rail. The first sliding aid device includes a plurality of sliding aids. To support between the first rail and the first wall of the third rail, and to support between the first rail and the second wall of the third rail. The slide rail assembly according to claim 7, wherein the first wall of the first rail has a first segment and a second segment bent relative to the first segment, and the second wall of the first rail has A third segment and a fourth segment are bent relative to the third segment. The slide rail assembly according to claim 9, wherein the side wall of the fourth rail is connected to the second part of the mounting accessory, and the first wall, the second wall, and the side wall of the fourth rail define a second Channel, and the second track is displaceable relative to the fourth track through the second channel. The slide rail assembly according to claim 11, wherein the first wall and the second wall of the second rail are located in the second passage. The slide rail assembly according to claim 12, further comprising a second sliding aid device movably installed between the fourth rail and the second rail. The second sliding aid device includes a plurality of sliding aids. To support between the second rail and the first wall of the fourth rail, and to support between the second rail and the second wall of the fourth rail. The slide rail assembly according to claim 13, wherein one of the first wall and the second wall of the first rail has a positioning portion, and when the mounting fitting is displaced in the first direction to a third predetermined position In the position, the latching member responds to the elasticity of the elastic member and can be latched to the positioning portion of the first rail to prevent the mounting accessory from being displaced in the first direction or a second direction relative to the first rail. The slide rail assembly according to claim 13, further comprising a buffer member disposed on the first rail, and a contact member disposed on the third rail. When the third rail returns, the mounting accessories should be displaced in the first direction. At a predetermined stroke, the contact member contacts the buffer member to provide a buffering effect. The slide rail assembly according to claim 15, wherein a front portion adjacent to the first rail includes a first stop, and the slide rail assembly further includes a retaining seat, and the buffer member is installed at the first Between a blocking seat and the holding seat. The slide rail assembly according to claim 14, wherein a front portion adjacent to the fourth rail includes a second stopper, and a stopper is movably connected to the second rail. When the fourth rail is displaced to the open position in the first direction, the stopper can contact a stop portion of the second stopper in a blocking position to prevent the second rail from continuing to be displaced in the first direction. , And an operating member can be used to operate the stopper in the blocking position. The slide rail assembly according to claim 17, wherein when the second rail is displaced from the open position to the second direction to a predetermined collapsed position, the second rail will drive the latch to make the The latching member is no longer latched to the positioning portion of the first rail. A slide rail assembly includes: a first rail; a second rail; a mounting accessory includes a first part, a second part, and a third part, the first part is substantially perpendicular to the second part Connected to the third part and extending in different directions respectively; a third rail is connected to the first part of the mounting accessory, and the third rail is displaceable relative to the first rail; a fourth rail is connected to the second part of the mounting accessory And the second rail is displaceable relative to the fourth rail; and a latch is arranged on one of the mounting accessory and the fourth rail, the latch is used to provide the mounting accessory to latch to the second rail The rail enables the mounting accessory to be displaced synchronously with the second rail in a first direction. The slide rail assembly according to claim 19, wherein the fourth rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the fourth rail, and The second rail includes a first wall, a second wall, and a side wall connected between the first wall and the second wall of the second rail. The latch is pivoted relative to the mounting accessory, and the fourth rail One of the first wall and the second wall has a gap, the gap can be penetrated by a latch portion of the latch, and one of the first wall and the second wall of the second rail has an abutting portion. When the second rail is in a first predetermined position, the latching portion of the latching member contacts the abutting portion, so that the second rail can drive the mounting accessory in the first direction through the abutting portion, among them, The slide rail assembly further includes a work piece disposed on the first track, and when the second track is displaced to the second direction to a second predetermined position, the latch is guided through the work piece to make the card The latching portion of the latch no longer contacts the abutting portion, and is used to release the synchronous displacement relationship between the mounting accessory and the second rail.