TWI421048B - Slide assembly with locking mechanism - Google Patents

Description

Collapsing structure of slide rail assembly

The invention relates to a folding latch structure of a slide rail assembly, in particular to a structure which can be automatically locked after the slide rail is folded and is more convenient and convenient to disassemble.

In the prior art, the locking device of the sliding rail during the folding is as shown in the U.S. Patent No. 5,033,805. The front end of the sliding rail is provided with a fastener for restricting the drawer rail and the middle rail, and the middle rail and the cabinet rail. And can position each other. As shown in U.S. Patent No. 6,398,041 B1, the drawer member is attached to the slide rail, and the slide rail is mounted on the support post, and is positioned on the support post by the latching device on the drawer type object. In addition, as shown in U.S. Patent Nos. 6,883,884 B2 and 7,604,308 B2, the same as the rail bolt design previously proposed by the applicant of the present invention, the front end of the inner rail of the slide rail has a buckle structure for use in the slide rail. When folded, the buckle is used to clamp the fixed portion of the slide rail. In the same way, the applicant of the present application, in the U.S. Patent Application No. 2009/0294393 A1, which is incorporated herein by reference, discloses that the slide rail can be quickly latched or unlocked relative to the frame, and when the slide rail is folded, Automatic lock.

And, "User-controllable latching carrier rail system", which is disclosed in U.S. Patent No. 7,364,244, the entire disclosure of which is incorporated herein by reference. The distal portion 310A is fixed to a slide rail 302A, and an intermediate portion 310B forms an angle with the end portion, and a proximal portion 310C extends from the intermediate portion. And a handle 204 extends from the proximal portion. The proximal portion has a protrusion 308, and the user directly controls the handle to deform the middle portion and the proximal portion relative to the slide rail, and the protrusion can be self-locked. In the middle.

Obviously, the lock design for the rail folding is quite diversified, and the applicant of the present invention actively develops various mechanisms in accordance with the requirements of different rails in this field, and the present invention is different from the prior patents. The new structure of the case, its special design makes the interpretation of the slide rail more convenient and convenient.

The object of the present invention is to provide a folding and squeezing structure of a slide rail assembly, which has an automatic locking function for the folding of the sliding rail, and can release the locking of the sliding rail during the operation of pulling out the sliding rail. mechanism.

According to the present invention, a folding latch assembly of a slide rail assembly includes a first rail; a second rail that is longitudinally slidably displaced relative to the first rail; and a locking mechanism including a retaining member located at a first rail; a latching member pivotally connected to the second rail; a release member longitudinally movably coupled to the second rail, the release member having an operating portion and a window for receiving the latching member Wherein the inner wall of the window has a slope relative to the latch member; and an elastic member abuts between the latch member and the inner edge of the window of the release member, and the latch member remains relatively opposite The tamper member; when the second rail is engaged with the first rail, the latching member and the dam member are positioned with each other, and the elastic member is pressed against the latch member; when the release When the operating portion of the member is pulled out by an external force, the latching member is abutted by the inclined surface of the window of the releasing member, and is driven to be pivoted by an angle to disengage the latching member from the retaining member.

Further, a third rail is slidably coupled between the first rail and the second rail.

Further, the elastic member is a leg portion extending from the release member and having flexibility; or the elastic member is a leg portion connected to the latch member and having flexibility.

Further, a bracket is further connected to the first rail.

Further, the blocking member is a flap extending from the bracket.

Further, the bracket includes a fastener, and the damper is extended by the fastener.

1 is a view showing a slide rail assembly including a first rail 10; a second rail 12; a third rail 14 and a locking mechanism 16 (detailed configuration is shown in FIG. 2). Further, the first rail 10 is an outer rail, the second rail 12 is an inner rail, and the third rail 14 is a middle rail. The second rail 12 is slidably connected to the third rail 14. The third rail 14 is slidably coupled to the first rail 10. Therefore, the second rail 12 is in a longitudinal sliding displacement relationship with respect to the first rail 10. The third rail 14 is slidably coupled between the first rail 10 and the second rail 12, and the second rail 12 is displaceable and extended relative to the first rail 10 by the third rail 14. Itinerary. When the locking mechanism 16 is used to fold the second rail 12 relative to the first rail 10, the second rail 12 can be locked by the locking mechanism 16 to maintain positioning relative to the first rail 10.

2 shows a bracket 102 connected to the first rail 10, the bracket 102 includes a plurality of mounting members 104, and a fastener 106, by which the mounting member 104 is mounted on a frame (rack, not depicted A plurality of corresponding in-hole positioning of a post of the figure and positioning of the post with the fastener 106 to the frame enables the rail assembly to be mounted on the frame. When a pair of slide rail assemblies are mounted in horizontal relative positions on opposite sides of the frame, a chassis (not shown) can be mounted to the rack by the pair of rail assemblies. From the point of view of the present invention, the above is only one embodiment for reference.

It should be noted that since the bracket 102 is coupled to the first rail 10, the length of the first rail 10 is extended. Therefore, the bracket 102 can be regarded as a part of the first rail 10 from the viewpoint of actual use and construction equivalent. In addition, the second rail 12 includes a pair of side walls 122.

In a preferred embodiment of the invention, the locking mechanism 16 includes a latch member 18, a latch member 20, and a release member 22. among them:

The damper 18 is mounted on the first rail 10, preferably at an end adjacent to the first rail 10. For example, in the embodiment, the damper 18 is a slat by means of a punching method. Extending from the fastener 106. Alternatively, as shown in FIG. 3, the dam member 18 may also be a portion of the bracket 102 of the first rail 10, for example, extending from the bracket 102 by a stamping means.

The latching member 20 is pivotally connected to the second rail 12 by a pivot 24, and the pivot shaft 24 includes a head portion 26.

The release member 22 is longitudinally movably coupled to the second rail 12. As shown in FIG. 4, the release member 22 has an operating portion 28 and a window 30 for receiving the latch member 20 and surrounding the window. 30 forming a wall 32 that connects the release member 22, the wall 32 further having a bevel 34 relative to the latch member 20, and the head portion 26 of the pivot 24 is applied to the wall panel 32 for the release The piece 22 can be attached to the second rail 12. And, as shown in FIG. 2, two grooves 36 are formed on the side of the release member 22, and the grooves 36 are sleeved on the side wall 122 of the second rail 12.

In this embodiment, the locking mechanism 16 further includes an elastic member that abuts between the latching member 20 and the inner edge of the window 30 of the releasing member 22, so that the latching member 20 is elastically generated by the elastic member. Constantly held relative to the dam member 18. Here, as shown in Fig. 4, the elastic member has a leg portion 38 extending from the release member 22 and having flexibility. Alternatively, as shown in Fig. 5, the elastic member is a leg portion 38A connected to the latch member 20 and having flexibility.

With the above arrangement, when the second rail 12 is folded with respect to the first rail 10, as shown in FIG. 6, the latching member 20 is locked with the retaining member 18, and by means of the elastic member, For example, the elastic force of the leg portion 38 formed by the release member 22 abuts against the latch member 20 while maintaining the stability of the latch.

Fig. 7 shows that when the operating portion 28 of the releasing member 22 is pulled out by an external force (in the direction of the arrow as shown), the latching member 20 is abutted by the inclined surface 34 of the window 30 of the releasing member 22, and is The pivoting angle is caused to disengage the latching member 20 from the retaining member 18. Therefore, the second rail 12 can be freely pulled out relative to the first rail 10. When the operating portion 28 of the release member 22 is released, the latching member 20 can be returned to the position relative to the retaining member 18 by the elastic member, such as the elastic force of the foot portion 38, so that the second rail When the first rail 10 is folded again, the latching member 20 can again be held in abutment with the retaining member 18, as shown in FIG.

10. . . First track

12. . . Second track

14. . . Third track

16. . . Locking mechanism

18. . . Stopper

20. . . Card assembly

twenty two. . . Release piece

twenty four. . . Pivot

26. . . head

28. . . Operation department

30. . . window

32. . . Siding

34. . . Bevel

36. . . Groove

38. . . Foot

38A. . . Foot

102. . . bracket

104. . . Mount

106. . . Fastener

122. . . Side wall

1 is a schematic view showing the configuration of a slide rail assembly according to an embodiment of the present invention;

2 is a schematic view showing the arrangement of the locking mechanism of the embodiment of the present invention installed in the slide rail assembly;

3 is a schematic view showing another type of the damper in the locking mechanism of the embodiment of the present invention;

Figure 4 is a schematic view showing the locking mechanism of the embodiment of the present invention, wherein the elastic member is a foot portion extended by the releasing member;

Figure 5 is a schematic view showing the locking mechanism of the embodiment of the present invention, wherein the elastic member is a leg connected to the latch member;

Figure 6 is a view showing the slide rail assembly of the embodiment of the present invention locked by the locking mechanism;

FIG. 7 is a schematic view showing the release member of the embodiment of the present invention being detached from the damper when the release member is pulled out by an external force.

10. . . First track

12. . . Second track

14. . . Third track

16. . . Locking mechanism

18. . . Stopper

20. . . Card assembly

twenty two. . . Release piece

twenty four. . . Pivot

26. . . head

28. . . Operation department

30. . . window

32. . . Siding

34. . . Bevel

36. . . Groove

38. . . Foot

102. . . bracket

104. . . Mount

106. . . Fastener

122. . . Side wall

Claims (7)

A folding latch structure of a slide rail assembly, comprising: a first rail; a second rail, longitudinally sliding relative to the first rail displacement; and a locking mechanism comprising: a blocking member located on the first rail a latching member pivotally connected to the second rail; a release member longitudinally movably coupled to the second rail, the release member having an operating portion and a window for receiving the latching member, wherein the latching member The inner wall of the window has a slope relative to the latch member; and an elastic member abuts between the latch member and the inner edge of the window of the release member, and the latch member is constantly held relative to the latch member When the second rail is folded relative to the first rail, the latching member and the retaining member are positioned with each other, and the elastic member is pressed against the latching member; when the operating portion of the releasing member is When being pulled out by an external force, the latching member is abutted against the top of the window of the release member, and is pivoted and displaced by an angle to disengage the latching member from the retaining member. The folding latch structure of the slide rail assembly of claim 1, further comprising a third rail slidably coupled between the first rail and the second rail. The collapsible cassette construction of the slide rail assembly of claim 1, wherein the elastic member is a leg portion extending from the release member and having flexibility. The collapsible cassette construction of the slide rail assembly of claim 1, wherein the elastic member has a foot connected to the latch member and has flexibility. According to the folding cassette structure of the slide rail assembly of claim 1, the bracket further includes a bracket for connecting the first rail. The collapsible cassette construction of the slide rail assembly of claim 5, wherein the dam member is a flap extending from the bracket. The collapsible cassette construction of the slide rail assembly of claim 5, wherein the bracket includes a fastener, and the retaining member is extended by the fastener.