WO2010037260A1

WO2010037260A1 - Dismountable slide rail

Info

Publication number: WO2010037260A1
Application number: PCT/CN2009/001072
Authority: WO
Inventors: 杨瑞链
Original assignee: 世塑有限公司
Priority date: 2008-09-25
Filing date: 2009-09-24
Publication date: 2010-04-08
Also published as: CN101683218A

Abstract

A dismountable slide rail is provided. The slide rail includes a bottom rail (20), a middle rail (30), an upper rail (40), a pulley block (50) and a buckle mechanism (60). The bottom rail (20) has a sliding rail (22) on which the middle rail (30) moves with position limit. The middle rail (30) has a left and right projecting rail (33), and there is a gap (34) at one end of the left and right projecting rail (33). At the front end of the middle rail (30) there is a front pulley (35) that rolls on the inner horizontal surface of the upper rail (40). On the both sides of the middle rail (30) there are stable pulleys (32) that roll along the medial surface of the upper rail (40). The upper rail (40) has a bottom pulley (41) that rolls under the left and right projecting rail (33) so as to drive the upper rail (40) moves with position limit relative to the middle rail (30). And at the rear of the upper rail (40) there is a back pulley (42) that rolls on the top surface of the middle rail (30). The buckle mechanism (60) includes a limit member (62) and a buckle member (61) that are set on the upper rail (40) and the middle rail (30) respectively in order to limit pull-out length of the upper rail (40). When the bottom pulley (41) reaches the gap (34), by pulling the upper rail (40) upward, the bottom pulley (41) can leave the left and right projecting rail (33) of the middle rail (30) from the gap (34) so as to make the upper rail (40) leave the middle rail (30).

Description

Detachable rails

The present invention relates to a detachable slide rail, and more particularly to a slide rail structure which is easy to disassemble, easy to assemble, smooth to slide, and structurally stable. Background technique

At present, the common drawers, keyboard drawers, etc., in order to facilitate the pull-out and reset, will combine the slide rail device with the bottom rail, the middle rail and the upper rail, and the rail device is fixed by the bottom rail. The cabinet refuses to block, the book refuses to be on both sides or is fixed on the laminate, and the upper slide rail is combined with the bottom of the drawer and the pull basket, so that the drawer, the basket and the like can be rejected by the cabinet, the book is rejected, and the laminate is Based on the combined bottom slide rails, through the slides (such as steel balls, pulleys, rollers, etc.) accommodated between the upper rails, the middle rails and the bottom rails, the drawers and baskets can be pulled out and pushed in and reset. .

The existing combination structure allows the drawer (or the basket) to be combined with the slide rail, and an additional snap-fit fastener (or a snap-shaped slide rail sleeve is placed on the upper rail) is required to be combined with the upper rail. Due to the structural relationship, the combined structure cannot directly separate the drawer (or the basket) from the track. An additional kit is required, which increases the production cost and is also inconvenient for the use of the drawer. Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a detachable slide rail for improving the conventional drawer or basket which cannot be directly detached from the slide rail and which is difficult to assemble and the like.

In order to achieve the above object, the present invention provides a detachable slide rail, the body of which includes a bottom rail, a middle rail, an upper rail, a pulley block and a buckle mechanism, wherein: the bottom rail is provided with a sliding track for The middle rail is moved relative to the limit; the middle rail is provided with a left and right protruding rail, and one end of the left and right protruding rail is provided with a notch, and the middle rail (front end) is provided with a front pulley, and the front pulley is rolled on the inner horizontal plane of the upper rail ( The top rail is provided with a stable pulley on both sides of the middle rail (the front end), and the stabilizing pulley is rolled along the inner side of the upper rail to enable the upper rail to smoothly slide on the middle rail; the upper rail (rear end) is provided with a rear pulley The rear pulley is rolled on the top surface of the middle rail, and the upper rail (rear end) is additionally provided with a lower pulley. The lower pulley rolls downward with respect to the left and right convex rails of the middle rail, and drives the upper rail to move relative to the middle rail. The buckle mechanism includes a limiting member disposed on the upper rail and a locking member disposed on the middle rail to limit the length of the upper rail. The utility model has the advantages that the one end of the left and right convex rails of the middle rail is provided with a notch structure, and the lower pulley provided at the rear end of the upper rail can be separated from the left and right convex rails of the middle rail to disengage the upper rail from the middle rail; The lower pulley enters the left and right convex rails of the middle rail from the notch, and returns the limit movement of the upper rail relative to the middle rail; further, when the rail load is heavy, the center of gravity of the rail falls on the rear section of the rail, the front pulley and the rear pulley are generated. Horizontal balance function, when the center of gravity of the slide rail moves forward in the front section of the slide rail, the front pulley and the lower pulley balance, so that the slide rail is very smooth and stable when pulled. In addition, the stable pulley at the front end of the middle rail and the inner side of the upper rail The vertical side contact increases the stability of the sliding rail when sliding, so that the upper rail does not have the problem of shaking left and right when sliding. Moreover, through the detachable slide rail design, the drawer can be detached from the slide rail, which is not only easy to assemble, but also easy to remove the drawer for cleaning and finishing, and it is also very easy to replace the drawer.

The invention is described in detail below with reference to the accompanying drawings and specific embodiments. DRAWINGS

1 is a perspective exploded view of a detachable slide rail of the present invention;

2 is a perspective perspective view of the detachable slide rail of the present invention;

3 is a perspective perspective view of the detachable slide rail of the present invention;

4 is a schematic cross-sectional view of a detachable slide rail of the present invention;

Figure 5A is a schematic cross-sectional view of A-A in Figure 4;

Figure 5B is a schematic view of the A-clamp mechanism blocking the upper rail of Figure 5;

Figure 5C is a schematic view of the upper rail of the upper rail of Figure 5A;

6 is a perspective exploded view of a second embodiment of the detachable slide rail of the present invention;

Figure 7 is a cross-sectional view showing a second embodiment of the detachable slide rail of the present invention;

8 is a perspective exploded view of a third embodiment of the detachable slide rail of the present invention;

Figure 9 is a perspective perspective view showing a third embodiment of the detachable slide rail of the present invention;

Figure 10 is a cross-sectional view showing a third embodiment of the detachable slide rail of the present invention.

Wherein, the reference numeral

10 body bottom rail fixed side

22 sliding track middle track plane track

32 Stabilizing pulley 33 Left and right protruding rails 34 Notches

35 front pulley 40 upper rail 41 lower pulley 42 rear pulley 45 limit chute 50 pulley block

60 card mechanism 61 fasteners 62 limiter

621 Limit hook 622 Post 623 Disassembly

70 drawer side panel

The present invention relates to a detachable slide rail. Referring to FIG. 1 to FIG. 3, the body 10 mainly includes a bottom rail 20, a middle rail 30, an upper rail 40, a pulley block 50 and a buckle mechanism 60. The bottom rail 20 is provided with a fixed side 21 and a sliding rail 22, and the fixed side 21 can be fixed on the side of the frame or the bottom plate. The sliding rail 22 is T-shaped for the relative movement of the middle rail 30;

The middle rail 30 is of a π shape, and the two ends of the π shape face inward. The top surface of the middle rail 30 is provided with a plane rail 31. The top surface of the middle rail 30 is provided with a left and right convex rail 33, and the left and right convex rails 33 are provided. The front side of the middle rail 30 is provided with a notch 34, and the front side of the middle rail 30 is provided with a front pulley 35. The front pulley 35 is rolled with the bottom surface of the upper rail 40. A stabilizing pulley 32 is disposed on each side of the rail 30, and the stabilizing pulley 32 is rolled with the inner side surfaces of the bottom surface of the upper rail 40.

The upper rail 40 is π-shaped, and the inner side of the rear rail 40 is provided with a lower pulley 41. The lower pulley 41 rolls downward with respect to the left and right protruding rails 33 of the middle rail 30, and drives the upper rail 40 relative to the middle rail 30. The limit position is moved, and a rear pulley 42 is disposed at the rear end of the bottom surface of the upper rail 40. The rear pulley 42 cooperates with the plane rail 31 to roll.

The pulley block 50 is disposed between the sliding rail 22 and the middle rail 30. The pulley block 50 is provided with a plurality of horizontal and vertical pulleys for sliding the middle rail 30 relative to the bottom rail 20, and adding the middle rail 30 and the bottom rail 20 Sliding stability to reduce sloshing.

The card fastening mechanism 60 includes a latching member 61 and a limiting member 62. The latching member 61 is disposed at the front end of the middle rail 30, adjacent to the front pulley 35, and can be pressed downward toward the rear, and automatically rebounds. The limiting member 62 is disposed on the inner surface of the upper rail 40, adjacent to the front of the lower pulley 41. The fastening member 62 interacts with the limiting member 62 to block the upper rail 40 (as shown in FIG. 3) to control the length of the upper rail 40. .

In fact, the sliding track 22 of the bottom rail 20 in Figs. 1 to 3 may also be an inverted L shape (not shown), the middle rail 30 is also π-shaped, and the π-shaped ends are facing inward.

Referring to FIG. 4, the upper rail 40 can be combined with a drawer side panel 70, which can be any combination kit such as a draw, or a drawer, a keyboard drawer, or the like. Designed by the pulley structure of the present invention When the center of gravity of the drawer side panel 70 falls on the rear section of the upper rail 40, the front pulley 35 and the rear pulley 42 generate a horizontal balance. When the center of gravity of the drawer side panel 70 is moved forward in the front section of the upper rail 40, the front pulley 35 The flat pulley acts on the lower pulley 41 to make the slide rails smooth and stable when pulled. In addition, the stabilizer pulley 32 can be in contact with the two vertical sides of the inner surface of the upper rail 40, so that the upper rail 40 is more stable when sliding, and no left and right shaking occurs. The problem.

The operation state of the present invention is shown in FIG. 5A to FIG. 5C. FIG. 5A is a schematic view of the upper rail 40 sliding relative to the middle rail 30. As shown in FIG. 5B, when the buckle member 61 interacts with the limiting member 62, the upper rail 40 can not continue to pull, and the lower pulley 41 reaches the position of the notch 34. At this time, the upper rail 40 is gently pulled up, and the lower pulley 41 can be disengaged from the left and right protruding rails 33 of the middle rail 30 via the notch 34, so that the upper rail 40 is disassembled. As shown in FIG. 5C, on the contrary, the upper rail 40 is combined with the middle rail 30, so that the limiting member 62 presses the buckle member 61 downward, and the lower pulley 41 enters the middle rail 30 from the notch 34. The rails 33 are projected to return the upper rail 40 to the limit position relative to the middle rail 30.

Referring to FIG. 6 to FIG. 7 , in the same place as the first embodiment, the sliding track 22 is U-shaped and the two ends are inward, and the middle rail 30 is In the shape of the I, the planar track 31 naturally forms the left and right protruding rails 33. The notches 34 are disposed at appropriate positions on the top plane track 31 of the middle rail 30, and the same effect of separating and stably sliding the upper rail 40 and the middle rail 30 can be achieved.

Referring to the third embodiment of the present invention shown in FIG. 8 to FIG. 10, the structure of the third embodiment is similar to that of the first embodiment, and will not be described again. The difference between the two embodiments is only the card of the buckle mechanism 60. The design of the fastener 61 and the limiting member 62 are designed. The limiting member 62 of the third embodiment of the present invention is disposed at the front end of the upper rail 40 and is disposed at a front position of the front pulley 35. The top end of the limiting member 62 is provided with two protrusions 622. The column 622 can slide in the limiting slot 45; and a limiting hook 621 is disposed at the bottom end of the limiting member 62. The latching member 61 is disposed between the front end of the middle rail 30 and the front pulley 35. The bottom end of the limiting member 62 shown in FIG. 10 is provided with a P-position hook 621, and the latching member 61 is a "" The limit hook 621 is hooked to the latching slot of the latching member 61 to control the length of the upper rail 40 to be pulled out through the limiting slot 45 disposed on the inner surface of the upper rail 40. The third embodiment of the present invention The detaching action between the upper rail 40 and the middle rail 30 of the example, when the upper rail 40 is pulled out to the front end of the notch 34 of the left and right protruding rails 33 of the middle rail 30, the bottom of the limiting member 62 is pressed from the bottom up. a portion 623, the limit hook 621 is disengaged from the snap groove of the latching member 61, and the upper rail 40 (the drawer side panel member 70) is lifted upward, and is pulled out at the same time, so that the upper rail 40 (the drawer side panel member) 70) The middle rail 30 is pulled away, and other disassembly or combination operations are the same as those of the first embodiment, and therefore will not be described again. There are a variety of other embodiments of the present invention, and various modifications and changes can be made thereto in accordance with the present invention without departing from the spirit and scope of the invention. Changes and modifications are intended to be included within the scope of the appended claims.

Claims

Claim

A detachable slide rail, wherein the body comprises a middle rail and an upper rail, wherein: the middle rail is provided with a left and right convex rails, and one end of the left and right convex rails is provided with a notch; The rail is provided with a lower pulley, and the lower pulley rolls downward with respect to the left and right convex rails, and drives the upper rail to move relative to the middle rail. Through the gap, the lower pulley can be disengaged from the left and right convex rails of the middle rail to make the upper rail The middle rail is detached. Conversely, the lower pulley enters the left and right convex rails of the middle rail from the gap, and returns the limit movement of the upper rail relative to the middle rail.

2. The detachable slide rail according to claim 1, wherein the body further comprises a bottom rail, and the bottom rail is provided with a sliding rail for sliding the middle rail relative to the limit.

The detachable slide rail according to claim 1, wherein the body further comprises at least one front pulley disposed at a front end of the middle rail;

At least one rear pulley disposed at the rear end of the upper rail;

At least one stabilizing pulley disposed on both sides of the middle rail.

The detachable slide rail according to claim 2, wherein the body further comprises at least one front pulley disposed at a front end of the middle rail;

At least one rear pulley disposed at the rear end of the upper rail;

At least one stabilizing pulley disposed on both sides of the middle rail.

The detachable slide rail according to any one of claims 1 to 4, wherein the main body further comprises a buckle mechanism, and the buckle mechanism comprises a P 设置 disposed on the upper rail. a bit piece and a "" fastener disposed on the middle rail.

The detachable slide rail according to claim 5, wherein the limiting member is disposed on an inner surface of the upper rail, and the buckle member is disposed at a front end of the middle rail.

The detachable slide rail according to claim 5, wherein the limiting member is disposed at the front end of the upper rail, and the bottom end of the limiting member is provided with a limit hook, and the top end of the limiting member is provided. There is two protrusions, the front end of the upper rail is provided with a limiting sliding slot, and the two protruding columns slide in the limiting sliding slot;

The latching member is disposed at the front end of the middle rail, and the limiting slot of the limiting member is hooked to the latching member through the limiting slot of the upper rail.

8. The detachable slide rail according to claim 7, wherein the bottom of the limiting member is provided with a detaching portion, and the upper rail is pulled out to the notch of the left and right protruding rails of the middle rail. The front end presses the detaching portion from the bottom to the upper rail to pull the upper rail away from the middle rail.

9. The detachable slide rail according to claim 2 or 4, wherein the main body further comprises a pulley block disposed between the slide rail and the middle rail.

The detachable slide rail according to claim 5, wherein the main body further comprises a pulley block disposed between the slide rail and the middle rail.

A detachable slide rail according to any one of claims 1 to 4, wherein the upper rail is π-shaped.

The detachable slide rail according to claim 2, wherein the slide rail is T-shaped; the middle rail is π-shaped, and the π-shaped ends are facing inward.

The detachable slide rail according to claim 2, wherein the slide rail is inverted L-shaped; the middle rail is π-shaped, and the π-shaped ends are facing inward.

The detachable slide rail according to claim 2, wherein the slide rail is U-shaped, and the middle rail is I-shaped.