TWI417068B - Opening device for a slide assembly - Google Patents

Description

Opening device for slide rail assembly

The invention relates to an opening device for a slide rail assembly, in particular to a slide rail assembly which can be automatically opened after being folded in a pressing mode, and can also be restored when the slide rail assembly is forcibly pulled open. The mode of pressing in the normal use state.

The "closing device for a drawers" of U. A spring is disposed between the drawer and the item of furniture. A closing device is mounted to the article of furniture and includes a holding member having a hook, a latch member being mounted in the drawer when the drawer is in the closed position The fastener and the hook portion of the holder are mutually engaged. The fastener includes at least one raised region having a structure defining at least two different guiding trajectories for guiding the retaining member, and the retaining member is made different when the drawer is opened and closed relative to the furniture article The guiding trajectory is guided and bendable. When the drawer is forcibly pulled out relative to the piece of furniture, the retaining member can produce an upward bend such that its hook portion is forced out of the fastener. When an external force is pushed to the closed drawer, the retaining member can be released from the fastener by its hook portion, so that the drawer can be ejected back to the furniture body with the elastic force generated by the elastic member.

The "Push-open type slide structure" of the U.S. Patent No. 7,374,261, which is incorporated by the disclosure of the utility model, discloses a sliding rail top opening structure, which is mainly provided with a top fastening member and a fastening member at the inner side of the outer sliding rail and the pull rod; The carrier plate of the fastener is extended from the central side of the body, and the shaft columns of the elastic member are respectively protruded from two sides of the body, the positioning plate is coupled to the carrier plate, and the guide pin is disposed at the end of the positioning fastener, and a sliding slip kit is disposed on the carrying plate, the sliding kit is combined with the elastic component; the fastener is coupled with the guiding portion and the shaft seat by the connecting portion, the guiding portion has a guiding edge, a slope surface and a concave groove, and is formed There is a channel; by pressing the pull rod to position or move the guide post of the positioning fastener relative to the introduction portion and the passage of the fastener, the locking or opening of the slide rail can be controlled.

Further, in the above-mentioned means disclosed by Brunnert and Wang, there is additionally disclosed a foolproof design which prevents damage due to strong pull-out, wherein the Brunnert utilizes the retaining member to produce an upward bend so that the hook portion is forcibly released from the fastener. As for the anti-staying method disclosed by Wang, the retaining groove is arranged on the carrying plate so as to be positioned below the guiding post of the positioning fastener, so that the end of the positioning fastener having the guiding post can have a deformation space, and Allow the guide post to retreat from the fastener. However, both of these methods directly use the elastic deformation of the card end to achieve the purpose of forced detachment. After several operations, it is easy to cause permanent deformation or wear of the contact portion of the cassette, thereby detracting from the overall service life.

Therefore, it is necessary to provide an opening device for a slide rail assembly with a foolproof design to improve the absence of the aforementioned conventional foolproof means.

An object of the present invention is to provide an opening device for a slide rail assembly, which can be automatically opened by the pressing method.

Another object of the present invention is to provide an opening device for a slide rail assembly which is not damaged even if it is pulled by an improper external force.

According to the present invention, an opening device for a slide rail assembly includes a first rail member; a second rail member longitudinally slid relative to the first rail member; a fixing bracket fixed to the first rail member a swinging member is pivotally connected to the fixing base, the swinging member has a pin portion; a pushing member is longitudinally movably mounted on the fixing seat; a first elastic member has an elastic force acting on the pushing member; and a The fastener is pivotally connected to the second rail member, the fastener includes a first end and a second end opposite to the first end, and a first wall and a second wall are disposed between the first end and the second end a third wall, a connecting wall, a card body and a positioning leg, wherein the connecting wall extends from the first end to connect the first wall, the second wall and the third wall, the first wall and the first wall The card body defines a first channel; the card body and the third wall define a second channel; the card body has a latching surface and a guiding portion at both ends; the first wall, The second wall and the connecting wall jointly define a first slot; the second wall and the third wall and the connecting wall jointly define a second slot, the second Corresponding to the second channel; the first wall has a first guiding surface opposite to the first channel, and the first channel partially corresponds to the first slot; the second wall has a second guiding surface Relative to the card face of the card body, and the card face extends a slope corresponding to a portion of the first slot; the third wall has a third guiding surface; and the positioning leg is replaced by the first The second end extends to a portion of the second rail member, and includes a second elastic member connecting the first end of the fastener and the second rail member; wherein the second rail member is opposite to the first rail member At the same time, the pushing member is driven to move, and the first elastic member generates a spring force acting on the second rail member by the displacement of the pushing member; the pin portion of the swinging member is borrowed by the fastener a guiding surface is guided into the first slot of the fastener, and when the second rail member is released from the force of the first rail member, the second rail member is returned to the first elastic member. The elastic force is displaced relative to the first rail member, and the latching surface of the latch body of the fastener is fastened to the pin portion of the swinging member; When a thrust is applied to further displace the second rail member relative to the first rail member, the pin portion of the swinging member is guided by the second guiding surface of the second wall of the fastener to enter the buckle In the second slot of the member, the buckle positioning state between the fastener and the swinging member is released; wherein when a forced pulling force is applied to directly pull the folded second rail member relative to the first rail member The fastener is biased at an angle on the second rail member against the force of the positioning leg and the second elastic member, so that the latching surface of the latch body of the fastener is separated from the pin portion of the swinging member And the positioning leg and the second elastic member return the fastener to the original position with respect to the second rail member.

Wherein, a third rail member is longitudinally slidably coupled between the first and second rail members, so that the second rail member can be pulled out relative to the first rail member for longer use by the third rail member. distance.

Wherein, the longitudinal portion is provided with a corresponding groove on the fixing seat to form a rail body, and the rail body of the longitudinal portion is provided with a notch-shaped mounting portion, and the pushing member is provided with the corresponding rail body groove.

The second end of the fixing base extends a receiving portion, and the receiving portion has a shaft hole; the swinging member has a shaft hole pivotally connected to the receiving portion.

The second end of the fixing base extends a limiting portion, and the limiting portion has a corresponding limiting groove; the swinging member has a swinging end portion extending into the limiting groove to limit the movable range of the swinging end portion.

Wherein, the pin portion of the swinging member is connected to a reinforcing member.

The connector further includes a connecting member, the connecting member has a connecting rod and a head extending from the connecting rod, wherein the first elastic member is sleeved on the connecting rod of the connecting member, and the pushing member The connecting rod has a through hole for being connected to the connecting member, so that the pushing member is constantly pushed by the elastic force of the first elastic member.

The fastener has a first abutting portion, and the second rail member has a first abutting portion of the second abutting portion with respect to the fastener, so that the first abutting portion abuts the second abutting portion One part of the joint.

The second rail member has a second abutting portion, and the second abutting portion includes a protrusion, and the positioning leg of the fastener corresponds to the protrusion.

1 shows a first rail member 10 according to a first embodiment of the present invention; a second rail member 12 is longitudinally slid relative to the first rail member 10; a third rail member 14 is longitudinally slidably coupled Between the first and second rail members 10, 12, the second rail member 12 can be pulled out relative to the first rail member 10 by the third rail member 14 to a longer use distance; an opening unit 16 is mounted on The first rail member 10; and a latching unit 18 are mounted on the second rail member 12, and the latching is performed by the mutual acting relationship between the first and second rail members 10, 12, such as a folding or pressing action. The unit 18 can be detached from or detached from the opening unit 16.

Figure 2 shows that the opening unit 16 includes a fixing base 20 fixed to the first rail member 10; a swinging member 22 is pivotally connected to the fixing base 20; a pushing member 24 is longitudinally movably mounted on the fixing base 20; A connecting member 26 is connected to the fixing base 20; a first elastic member 28 is disposed between the fixing base 20 and the pushing member 24. The fixing base 20 has a first end 30 and a second end 32 opposite to the first end 30; a longitudinal portion 34 is disposed between the first end 30 and the second end 32 of the fixing base 20, preferably The longitudinal portion 34 is formed with a corresponding groove 34a on the fixing base 20 to form a rail body 34b. A mounting portion 36 is disposed on the rail body 34b of the longitudinal portion 34, for example, in a notch shape. The pushing member 24 is movably displaced by the mounting portion 36 in the longitudinal portion 34 of the fixing base 20; a receiving portion 38 extends from the second end 32 of the fixing base 20 and has a shaft hole 40; a restricting portion 42 extends from the receiving portion 38, as shown in FIG. 3, having a corresponding restricting groove 44; and a buffer portion 46 extending from the restricting portion 42 of the fixing seat 20 and facing the first end of the fixing seat 20. The direction of 30 can be used as a collision buffer for the end of the third rail member 14. The first end 30 of the fixing base 20 has a blocking portion 48 relative to the longitudinal portion 34 to limit the displacement stroke of the pushing member 24.

The swinging member 22 has a shaft hole 50 pivotally connected to the receiving portion 38 of the fixing base 20, and the swinging member 22 includes a pin portion 52 and a swinging end portion 54. The pin portion 52 is extended by the swinging member 22 to a height. The oscillating end portion 54 extends into the restricting groove 44 of the fixing base 20 to limit the range of movement of the oscillating member 22, as shown in Figs. In addition, the pin portion 52 can be further connected to a reinforcing member 55 to strengthen the structure, as shown in FIG.

The pushing member 24 is provided with a matching groove 56 corresponding to the rail portion 34b of the longitudinal portion 34 of the fixing base 20, and the fitting portion 36 of the fixing seat 20 is sleeved to the longitudinal portion 34. The rail body 34b is such that the pusher member 24 is only movable longitudinally along the longitudinal portion 34. In addition, the pushing member 24 has a through hole 58 corresponding to the connecting member 26 for being sleeved to the connecting member 26.

The connector 26 is coupled to the mount 20 and has a length substantially corresponding to a linear distance between the first end 30 to the second end 32 of the mount 20. In this embodiment, the connecting member 26 is a separate member having a connecting rod 60 and a head 61 extending from one end of the connecting rod 60, wherein the connecting rod 60 is slidable to the pushing The perforation 58 of the piece 24. The head 61 is positioned to be received by the receiving portion 38 of the mount 20. In addition, in another preferred embodiment, the connecting member 26 can also be directly extended by the fixing base 20.

The first elastic member 28 is a connecting rod 60 that is sleeved on the connecting member 26 and has one end thereof and abuts against the head 61 of the connecting member 26. When assembled, the connecting rod 60 of the connecting member 26 penetrates the top. The through hole 58 of the pusher member 24 is positioned on the receiving portion 38 of the fixing member 20 such that the pushing member 24 is constantly pushed by the elastic force of the first elastic member 28.

As shown in FIGS. 6 and 7, the fastening unit 18 is mounted on the second rail member 12, and includes a fastening member 62. The fastening member 62 is pivotally connected to the second rail member 12 by a pivoting member 64. . The fastener 62 has a first abutting portion 66. The second rail member 12 has a second abutting portion 68, for example, a specific shape opening. The second abutting portion 68 is opposite to the buckle. The first abutting portion 66 of the member 62 has an area larger than the first abutting portion 66 for the first abutting portion 66 to abut against a portion of the second abutting portion 68, and the second abutting portion 68 A convex body 69 is included. In this embodiment, the fastener 62 includes a first end 63a and a second end 63b opposite to the first end 63a. A first wall 70a and a second end are disposed between the first end 63a and the second end 63b. A wall 70b, a third wall 70c, a connecting wall 72, and a latch body 74. The connecting wall 72 extends from the first end 63a to connect the first wall 70a, the second wall 70b and the third wall 70c. The first wall 70a and the latch body 74 define a first passage 76. The latch body 74 defines a second passage 78 together with the third wall 70c. One end of the latch body 74 has a concavely shaped latching surface 80 and the other end has a guiding portion 82. The first wall 70a and the second wall 70b together with the connecting wall 72 define a first slot 84. The second wall 70b and the third wall 70c together with the connecting wall 72 define a second slot 86 corresponding to the second passage 78. The first wall 70a has a first guiding surface 88 opposite to a portion of the first passage 76 in a longitudinal direction, and the first passage 76 partially corresponds to the first groove 84. The second wall 70b has a second guiding surface 90 opposite to the latching surface 80 of the latch body 74 in a longitudinal direction, and the latching surface 80 extends a slope 91 corresponding to a portion of the first slot 84. The third wall 70c has a third guiding surface 92. In addition, in this embodiment, a positioning leg 94 is extended by the second end 63b of the fastening member 62 and corresponding to the convex body 69 of the second abutting portion 68 of the second rail member 12, so that When the fastener 62 is to be pivoted by an angle, the positioning leg 94 can be used to provide a resistance to the protrusion 69 of the second abutting portion 68, so that the force for pivoting the fastener 62 needs to be advanced. The value is set, and when the pivoting force disappears, the spring force of the positioning leg 94 can also incidentally return the fastener 62 to its original position. Or a second elastic member 96 is further connected between the first end 63a of the fastener 62 and the second rail member 12, so that the fastener 62 can be pivotally displaced by the second elastic member 96. The spring force allows the fastener 62 to quickly return to its original position.

8 to 12 are diagrams showing the process of folding and positioning the second rail member 12 relative to the first rail member 10, and the third rail member 14 is also driven by the second rail member 12 relative to the first rail member 10 Collapse. The pushing member 24 of the opening unit 16 is displaced by the pushing force F1 by the third rail member 14 toward the folding direction, and the first elastic member 28 is pushed by the pushing member 24 The compression produces an elastic force acting on the third rail member 14 or the second rail member 12, as shown in Fig. 8. When the second rail member 12 is pushed further with respect to the first rail member 10, as shown in FIGS. 9 to 11, the pin portion 52 of the swinging member 22 can be guided by the latch body 74 of the fastener member 62. The lead portion 82 is guided into the first groove 84 of the fastener 62. After the force of pushing the second rail member 12 relative to the first rail member 10 is released, the second rail member 12 is rebounded relative to the first rail member 10 after being rebounded by the elastic force of the first elastic member 28. As shown in FIG. 12, the latching surface 80 of the latch body 74 of the fastener 62 is buckled with the pin portion 52 of the swinging member 22, and in this state, the second rail member 12 is opposite to the first The folding of the rail member 10 has a positioning effect, and the pushing member 24, by the elastic force of the first elastic member 28, causes the second rail member 12 to store an elastic force for ejecting the opening relative to the first rail member 10.

13 to 16 are diagrams showing an operational state in which the second rail member 12 is automatically opened relative to the first rail member 10 when a pressing force F2 is applied to the second rail member 12. When the second rail member 12 is pushed into the second rail member 12, the fastener member 62 is displaced relative to the opening member 16 of the first rail member 10, so that the pin portion 52 of the swinging member 22 is borrowed from the fastener member 62. The second guiding surface 90 of the second wall 70b is guided into the second slot 86 of the fastener 62, as shown in Figures 13 and 14, and the pin 62 and the pin portion of the swinging member 22 are released. 52 buckled state, and after releasing the second rail member 12, as shown in Fig. 15, the pushing member 24 then returns to the elastic force released by the first elastic member 28, so that the second rail member 12 is ejected to open (in this embodiment, the pushing member 24 first pushes the third rail member 14 to interlock the second rail member 12 to extend). The pin portion 52 of the oscillating member 22 is displaced along the second slot 86 of the fastener 62 and guided by the third guiding surface 92 of the third wall 70c of the fastener 62 to make the pin portion 52. After the second slot 86 is disengaged, the pin portion 52 can again correspond to the guiding portion 82 of the latch body 74 of the fastener 62, as shown in FIG.

In the case of an abnormal use, as shown in FIGS. 17 and 18, when the folded second rail member 12 is directly pulled out by the first rail member 10 by the pulling force F3, since the pivoting is The fastener 62 on the second rail member 12 provides a main positioning force by the positioning leg 94 against the projection 69 of the second abutment portion 68 of the second rail member 12. Therefore, when the pulling force F3 is large enough to force the second rail member 12 to be pulled away from the first rail member 10, the fastener member 62 is forcibly biased at an angle to the latching surface 80 of the latching body 74. The pin portion 52 of the oscillating member 22 is disengaged, wherein the positioning leg 94 of the fastener member 62 is also elastically deformed, and the second elastic member 96 is stretched, and a return elastic force is stored, and then the elastic force is released. The fastener 62 is quickly returned to its original position relative to the second rail member 12 and remains positioned. According to the above, when the user pulls the second rail member 12 away from the first rail member 10 by force, the one of the opening unit 16 or the fastening unit 18 is not damaged.

It should be noted that, if the slide rail assembly of the embodiment is a two-section slide rail, the foregoing opening unit 16 and the fastening unit 18 can be respectively mounted on the first rail member 10 and the second rail member 12, so that After the two-section slide rail is folded, the opening unit 16 and the fastening unit 18 are fastened to each other to maintain the folding position. When the second rail member 12 is pressed against the first rail member 10, the latching unit 18 can be disengaged from the opening unit 16 so that the second rail member 12 can be elastically generated by the opening unit 16. Relatively opening the first rail member 10 automatically opens a distance.

In addition, it should be noted that the anti-pull failure mechanism of the present invention is mainly pivotally connected to the second rail member 12 by the fastening member 62 of the fastening unit 18, and the fastening member 62 is connected to the positioning leg 94 and The second elastic member 96 maintains the fastener 62 in a fixed position in a normal state, and when the force is forced, the fastener 62 can overcome the elastic force of the positioning leg 94 and the second elastic member 96. The pivoting displacement is brought in time and the position is restored, and the function corresponding to the opening unit 16 is retained.

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 rail

12. . . Second rail

14. . . Third rail

16. . . Opening unit

18. . . Holding unit

20. . . Fixed seat

twenty two. . . Swinging piece

twenty four. . . Pusher

26. . . Connector

28. . . First elastic member

30. . . First end

32. . . Second end

34. . . Vertical part

34a. . . Groove

34b. . . Rail body

36. . . Installation department

38. . . Undertaking department

40. . . Shaft hole

42. . . Restriction department

44. . . Limit slot

46. . . Buffer section

48. . . Stop

50. . . Axis column

52. . . Sales department

54. . . Swing end

55. . . Reinforcement

56. . . Insert slot

58. . . perforation

60. . . link

61. . . head

62. . . Fastener

63a. . . First end

63b. . . Second end

64. . . Pivot

66. . . First abutment

68. . . Second abutment

69. . . Protrusion

70a. . . First wall

70b. . . Second wall

70c. . . Third wall

72. . . Connecting wall

74. . . Card body

76. . . First channel

78. . . Second channel

80. . . Card face

82. . . Guide

84. . . First slot

86. . . Second slot

88. . . First guiding surface

90. . . Second guiding surface

91. . . Bevel

92. . . Third guiding surface

94. . . Positioning foot

96. . . Second elastic member

1 is a schematic view showing the arrangement of an opening device installed in a slide rail assembly according to an embodiment of the present invention;

2 is an exploded perspective view showing the opening unit of the embodiment of the present invention installed on the first rail member;

Figure 3 is an exploded view showing the fixing seat and the swinging member of the embodiment of the present invention;

Figure 4 is a schematic view showing the assembly between the fixing seat and the swinging member according to the embodiment of the present invention;

Figure 5 is a cross-sectional view showing a reinforcing member of the swinging member according to the embodiment of the present invention;

Figure 6 is an exploded perspective view showing the fastening unit of the embodiment of the present invention installed on the second rail member;

Figure 7 is a schematic view showing the assembly of the fastening unit of the embodiment of the present invention mounted on the second rail member;

Figure 8 is a schematic view showing the initial contact of the opening unit and the fastening unit with a thrust according to an embodiment of the present invention;

Figure 9 is a schematic view showing the action of the pin portion of the swinging member being fastened to the latch body by a thrust according to an embodiment of the present invention (1);

Figure 10 is a schematic view showing the action of the pin portion of the swinging member being fastened to the latch body by a thrust according to an embodiment of the present invention (2);

Figure 11 is a schematic view showing the action of the pin portion of the swinging member being fastened to the latch body by a thrust according to an embodiment of the present invention (3);

12 is a schematic view showing a state in which the pin portion of the swinging member is fastened to the card body after the thrust is released according to the embodiment of the present invention;

Figure 13 is a schematic view showing the action of disengaging the pin portion of the swinging member from the latch body by a pressing force according to an embodiment of the present invention;

Figure 14 is a schematic view showing the action of disengaging the pin portion of the swinging member from the latch body by a pressing force according to an embodiment of the present invention (2);

Figure 15 is a schematic view showing the action of disengaging the pin portion of the swinging member from the latch body after the pressure is released according to the embodiment of the present invention (1);

Figure 16 is a schematic view showing the action of disengaging the pin portion of the swinging member from the latch body after the pressure is released according to the embodiment of the present invention (2);

Figure 17 is a schematic view (1) showing the action of disengaging the pin portion of the swinging member from the latch body by pulling force under abnormal use in the embodiment of the present invention;

Figure 18 is a schematic view showing the action of the embodiment of the present invention in which the pin portion of the swinging member is disengaged from the latch body by pulling force under abnormal use (2).

10. . . First rail

12. . . Second rail

14. . . Third rail

16. . . Opening unit

18. . . Holding unit

twenty two. . . Swinging piece

twenty four. . . Pusher

28. . . First elastic member

52. . . Sales department

62. . . Fastener

74. . . Card body

94. . . Positioning foot

96. . . Second elastic member

Claims (9)

An opening device for a slide rail assembly, comprising: a first rail member; a second rail member longitudinally sliding relative to the first rail member; a fixing bracket fixed to the first rail member, the fixing seat Having a first end and a second end opposite to the first end, a longitudinal portion is formed between the first end and the second end of the fixing seat; a swinging member is pivotally connected to the second end of the fixing seat, the swinging The piece has a pin portion; a pushing member is longitudinally movably mounted on the longitudinal portion of the fixing seat; a first elastic member has an elastic force acting on the pushing member; and a fastener member is pivotally connected to the second rail member The fastener includes a first end and a second end opposite to the first end, and a first wall, a second wall, a third wall, and a connecting wall are disposed between the first end and the second end. a latch body and a positioning leg, wherein the connecting wall extends from the first end to connect the first wall, the second wall and the third wall, and the first wall and the latch body define a first channel The card body and the third wall define a second channel; the card body has a latching surface and a guiding portion at both ends; the first The second wall and the connecting wall jointly define a first slot; the second wall and the third wall and the connecting wall jointly define a second slot, the second slot corresponding to the second channel; the first wall has a first guiding surface is opposite to a portion of the first channel, and the first channel partially corresponds to the first slot; the second wall has a second guiding surface opposite to the latching surface of the latch body, and the The card face extends a slope corresponding to a portion of the first slot; the third wall has a third guiding surface; and the positioning leg extends from the second end of the fastener to the second rail member a part, and including a second elastic member connecting the first end of the fastener and the second rail member; wherein, when the second rail member is folded relative to the first rail member, the card body of the fastener is clamped The kneading surface and the pin portion of the oscillating member are fastened to each other; and when the second rail member is directly pulled out relative to the first rail member, the fastener overcomes the force of the positioning leg and the second elastic member And arranging an angle on the second rail member, so that the latching surface of the latch body of the fastener is detached from the pin portion of the swinging member, and the The position pin and the second elastic member such that the fastener member relative to the second rail then back in situ. The opening device for a slide rail assembly according to claim 1, further comprising a third rail member longitudinally slidably coupled between the first and second rail members. The opening device for a slide rail assembly according to claim 1, wherein the longitudinal portion is provided with a corresponding groove on the fixing seat to form a rail body, and the rail portion of the longitudinal portion is disposed. a notched mounting portion; and the pushing member is provided with a fitting groove corresponding to the rail body. The opening device for the slide rail assembly according to the first aspect of the invention, wherein the second end of the fixing base extends a receiving portion, the receiving portion has a shaft hole; the swinging member has a shaft column pivotally connected thereto The shaft hole of the receiving portion. The opening device for a slide rail assembly according to claim 1, wherein the second end of the fixing base extends a restricting portion, and the restricting portion has a corresponding restricting groove; the swinging member has a The swinging end projects into the limiting groove. The opening device for a slide rail assembly according to claim 1, wherein the pin portion of the swinging member is connected to a reinforcing member. The opening device for a slide rail assembly according to claim 1, further comprising a connecting member connected to the fixing base, the connecting member having a connecting rod and a head extending from the connecting rod, wherein the connecting rod The first elastic member is sleeved on the connecting rod of the connecting member, and the pushing member has a through hole for being sleeved on the connecting rod, so that the pushing member is constantly pushed by the elastic force of the first elastic member. The opening device for a slide rail assembly according to claim 1, wherein the fastener has a first abutting portion, and the second rail member has a second abutting portion relative to the fastener The first abutting portion abuts the first abutting portion against a portion of the second abutting portion. The opening device for a slide rail assembly according to claim 1, wherein the second rail member has a second abutting portion, and the second abutting portion includes a protrusion, the fastener The positioning feet correspond to the convex body.