Improved structure of slide rail assembly

Abstract

The utility model provides an improved structure of a slide rail assembly, which comprises an outer rail, a middle rail and an inner rail, one end of the inner rail is provided with an inner rail locking piece, the other end of the inner rail is provided with an inner rail shifting piece, the inner rail shifting piece is fixed on a shifting piece fixing piece, the inner rail locking piece is provided with a locking piece guide column, and the shifting piece fixing piece is provided with a locking piece. A shifting piece guide hole is formed in the inner rail shifting piece fixing piece, the inner rail locking piece guide column can move in the shifting piece guide hole, and when the inner rail shifting piece is pushed to move rightwards, the shifting piece fixing piece drives the locking piece guide column to move downwards in the shifting piece guide hole, so that the inner rail locking piece rotates and can be horizontally guided between the two middle rail locking piece check blocks. The inner rail locking plate is not limited by the front middle rail check block and the rear middle rail check block of the middle rail so that the inner rail can stretch into the middle rail or stretch out of the middle rail, and therefore a protection mechanism is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an improved structure of a slide rail assembly, in particular to an improved structure of a slide rail assembly with an inner rail extended into or out of a middle rail by an inner rail unlocking button. BACKGROUND

[0002] Generally, a slide rail product on the market uses a drawer installed on a cabinet frame by the slide rail assembly. When the drawer is closed into the cabinet frame, a pressing gap is formed between the front panel of the drawer and the cabinet frame, which allows a user to displace the drawer relative to the cabinet frame by pressing the drawer, so that the drawer can be opened relative to the cabinet frame by the press-open ejection mechanism provided by the slide rail assembly. However, in the case that the user does not know that the slide rail assembly has a press-open function, the user may sometimes directly pull the movable rail (or the drawer) relative to the fixed rail (or the cabinet frame) when the movable rail (or the drawer) is closed, which may cause the movable rail (or the drawer) to open from the closed position. However, this way of opening the movable rail (or the drawer) without pressing may cause damage to the related parts of the press-open ejection mechanism, resulting in the failure of the press-open function, thus the need for improvement.

[0003] Therefore, the utility model is developed based on years of experience, which can eliminate the shortcomings of existing products and improve the effect. SUMMARY

[0004] Therefore, the utility model is developed based on years of experience, which can eliminate the shortcomings of existing products and improve the effect.

[0005] To achieve the above purpose, the utility model adopts the following technical means:

[0006] An improved structure of a slide rail assembly, the slide rail assembly comprising an outer rail, a middle rail and an inner rail, wherein the middle rail is movably installed between the outer rail and the inner rail, and the outer rail, the middle rail and the inner rail can be displaced longitudinally relative to each other.

[0007] One end of the inner rail is provided with a rotatable inner rail locking piece which is limited by the front and rear middle rail stoppers so that the inner rail cannot move forward and backward, and the other end of the inner rail is provided with an inner rail pushing piece, and the inner rail locking piece is rotated and flattened by the pushing piece fixing piece so that the inner rail is pulled out of or retracted into the middle rail; wherein the inner rail pushing piece is fixed on the pushing piece fixing piece, the inner rail locking piece is provided with a locking piece guide column, the pushing piece fixing piece is provided with a pushing piece guide hole, the inner rail locking piece guide column can move in the pushing piece guide hole, when the inner rail pushing piece is pushed to move rightwards, the pushing piece guide hole drives the locking piece guide column to rotate the inner rail locking piece downwards, and the inner rail locking piece can be horizontally guided into the two middle rail stoppers, and the inner rail locking piece is not limited by the front and rear middle rail stoppers so that the inner rail is extended into or out of the middle rail.

[0008] Optionally, the inner rail is provided with an inner rail locking piece limiting block, and the inner rail locking piece cannot rotate randomly when the inner rail locking piece rotates.

[0009] Optionally, the inner rail pushing piece is provided with an inner rail pushing piece return spring, and the inner rail pushing piece is stretched when the inner rail pushing piece is pushed rightwards.

[0010] The improved structure of the sliding rail assembly of the utility model has the protection mechanism because the inner rail pushing piece is pushed to move forward and backward so that the inner rail is extended into or out of the middle rail. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to have a further understanding of the utility model, the utility model is described in detail with reference to the drawings as follows:

[0012] Figure 1 The utility model is the appearance structure of the sliding rail assembly.

[0013] Figure 2 The utility model is the exploded view of the sliding rail assembly.

[0014] Figure 3 The utility model is the back structure view of the inner rail combined with the middle rail.

[0015] Figure 4 The utility model is the front structure view of the inner rail combined with the middle rail.

[0016] Figure 5 The utility model is the schematic view of the inner rail pushing piece which is not pushed.

[0017] Figure 6 The utility model is the schematic view of the inner rail pushing piece which is pushed rightwards.

[0018] The drawings are indicated as follows:

[0019] 10, sliding rail assembly

[0020] 11 outer rail

[0021] 111, 112, side portion

[0022] 12 middle rail

[0023] 121, passage

[0024] 122, 123, middle rail stopper

[0025] 13 inner rail

[0026] 131, inner rail locking piece

[0027] 132, inner rail pushing piece

[0028] 1321, pushing piece fixing piece

[0029] 133, locking piece guide post

[0030] 134, pushing piece guide hole

[0031] 135, inner rail locking piece limiting block

[0032] 136, inner rail pushing piece return spring

[0033] A, screw DETAILED DESCRIPTION

[0034] Referring to Figures 1 to 3 the drawings, the sliding rail assembly 10 of the present application comprises an outer rail 11, a middle rail 12 and an inner rail 13, wherein the middle rail 12 is movably installed between the outer rail 11 and the inner rail 13, and the outer rail 11, the middle rail 12 and the inner rail 13 can be displaced longitudinally relative to each other; the middle rail 12 has a passage 121 for accommodating the inner rail 13, and the side portions 111, 112 at both ends of the outer rail 11 are fixed to a general cabinet frame by at least one screw A.

[0035] Referring to Figure 4 and Figure 5As shown, one end of the inner rail 13 is provided with an oval rotatable inner rail locking piece 131, and the other end of the inner rail 13 is provided with an inner rail pushing piece 132. Since the inner rail locking piece 131 is limited by the front and rear two middle rail stoppers 122, 123 of the middle rail 12, the inner rail 13 cannot move forward and backward, and must be pulled out of or retracted into the middle rail 12 by rotating the inner rail locking piece 131 to be flat by the driving of the pushing piece fixing piece 1321 through the pushing of the inner rail pushing piece 132. The inner rail pushing piece 132 is fixed on the pushing piece fixing piece 1321, the inner rail locking piece 131 is provided with a locking piece guide column 133, the pushing piece fixing piece 1321 is provided with a pushing piece guide hole 134, and the inner rail locking piece guide column 133 can move in the pushing piece guide hole 134. When the inner rail pushing piece 132 is pushed to move to the right (in the direction of the arrow), the pushing piece fixing piece 1321 is stretched, the pushing piece guide hole 134 drives the locking piece guide column 133 to rotate the inner rail locking piece 131 downward, and the inner rail locking piece 131 can be horizontally guided into the two middle rail stoppers 122, 123. The inner rail locking piece 131 is not limited by the front and rear two middle rail stoppers 122, 123 of the middle rail 12, so that the inner rail 13 can be pulled into or out of the middle rail 12. Furthermore, the inner rail 13 is provided with an inner rail locking piece limiting block 135, which limits the rotation of the inner rail locking piece 131.

[0036] In addition, the inner rail pushing piece 132 is provided with an inner rail pushing piece return spring 136 beside it, which is Figure 6 As shown, the inner rail pushing piece 132 is pushed to the right (in the direction of the arrow), and the inner rail pushing piece return spring 136 and the pushing piece fixing piece 1321 are stretched. The pushing piece guide hole 134 drives the locking piece guide column 133 to rotate the inner rail locking piece 131 downward, so that the inner rail locking piece 131 is guided into the two middle rail stoppers 122, 123. At this time, the inner rail 13 can be completely pulled out or retracted into the middle rail 12.

[0037] In summary, the improved structure of the sliding rail assembly of the utility model is a mechanism for pushing the inner rail pushing piece to retract or extend the inner rail, and thus has a protective mechanism, which is an innovative sliding rail assembly.

Claims

1. In a slide rail assembly comprising an outer rail, a middle rail and an inner rail, wherein, A middle rail is movably installed between an outer rail and an inner rail, the outer rail, the middle rail and the inner rail are longitudinally displaceable relative to each other, the middle rail has a passage to accommodate the inner rail; characterized in that: One end of the inner rail is provided with a rotatable inner rail locking piece, the inner rail locking piece is limited by two front and rear middle rail stoppers of the middle rail, so that the inner rail cannot move forward and backward, the other end of the inner rail is provided with an inner rail pushing piece, the inner rail locking piece is rotated and flattened by a pushing piece fixing piece, the inner rail is pulled out of or retracted into the middle rail; wherein the inner rail pushing piece is fixed on the pushing piece fixing piece, the inner rail locking piece is provided with a locking piece guide column, the pushing piece fixing piece is provided with a pushing piece guide hole, the inner rail locking piece guide column is movable in the pushing piece guide hole, when the inner rail pushing piece is pushed to move rightward, the pushing piece guide hole drives the locking piece guide column to rotate the inner rail locking piece downward, the inner rail locking piece is horizontally guided between the two middle rail stoppers, the inner rail locking piece is not limited by the two front and rear middle rail stoppers, so that the inner rail is extended into or out of the middle rail.

2. The improvement to a slide rail assembly of claim 1, wherein, The inner rail is provided with an inner rail locking piece limiting block, when the inner rail locking piece is rotated, it can be limited by the inner rail locking piece limiting block and cannot be arbitrarily rotated.

3. The improvement to the slide rail assembly of claim 1, wherein, The inner rail locking piece is provided with an inner rail pushing piece return spring beside it, the inner rail pushing piece is stretched when it is pushed rightward.

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