A slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously

Abstract

The invention discloses a slide rail interlocking mechanism that prevents multiple layers of drawers from being opened at the same time, comprising an outer rail, a middle rail and an inner rail, wherein a fixing frame is fixedly installed on the rear end of the outer rail, the fixing frame is provided with a straight hole portion, a hanging hole portion is extended at the front end of the straight hole portion, and a swing buckle is provided on the straight hole portion, wherein an inner sliding block is slidably provided on the fixing frame, and a sliding stopper is extended through a through slot on the left side of the inner sliding block, a first limiting portion in a trapezoidal shape is provided at the front end of the sliding stopper, and the outer sliding block is symmetrically provided at the upper and lower parts of the sliding block, and the inner sliding block on the fixing frame pushes the sliding nail through the inner rail to slide, and during the sliding process, the sliding block on the left side moves toward the front end, and the sliding block pushes the upper and lower outer sliding blocks through the inclined surface, and at this time, the outer sliding block is fixed against the sliding blocks of the upper and lower sliding rails, so that when one drawer is pulled out of the frame, other drawers cannot be pulled out of the drawer, thereby avoiding pulling out a plurality of drawers at the same time, ensuring the center of gravity of the frame, and preventing the drawers from tipping over and causing damage or injury due to all being pulled out.

Description

Technical Field

[0001] The invention relates to a slide rail, in particular to a slide rail interlocking mechanism for preventing multiple layers of drawers from being opened simultaneously. Background Art

[0002] Since the multiple drawers of the cabinet need to be filled with items, each drawer is very heavy. If two or more drawers are pulled out, the center of gravity of the pulled out drawers will move outside the cabinet, causing the cabinet to tip over to the side of the pulled out drawers, causing accidents or even personal injuries. The current multi-drawer locking mechanisms only have the functions of locking all drawers and unlocking all drawers at the same time. When taking items out of the drawers, all drawers are in an unlocked and openable state, so they interfere with each other greatly, making it easy for multiple drawers to slide out at the same time, the cabinet body to lose its center of gravity, causing tipping, and items to spill all over the floor, causing unbearable situations or safety accidents, causing damage or even injury to people. Summary of the invention

[0003] The object of the present invention is to provide a slide rail interlocking mechanism for preventing multiple layers of drawers from being opened simultaneously, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a slide rail interlocking mechanism for preventing multiple drawers from being opened at the same time, comprising an outer rail, a middle rail and an inner rail which are sequentially embedded and slidably connected, a fixing frame being fixedly installed at the rear end of the outer rail, a straight hole portion extending in the front-to-back direction being penetrated in the middle of the fixing frame, a hanging hole portion extending downwardly from the front end of the straight hole portion, a swing buckle being provided on the straight hole portion, the swing buckle being slidably arranged in the straight hole portion and buckled in the hanging hole portion through a guide column, wherein a through groove is provided on the left side of the outer rail on the fixing frame, and a through groove is provided on the fixing frame An inner slider is slidingly arranged, and a sliding piece is extended through the through slot on the left side of the inner slider, a first limiting portion in a trapezoidal shape is arranged at the front end of the sliding piece, and an outer slider is symmetrically arranged at the upper and lower parts of the sliding piece, a second limiting portion corresponding to the first limiting portion is arranged at the upper and lower ends of the outer slider, and the second limiting portion is an inclined surface corresponding to the outer slider, a buckling mechanism is arranged at the end of the inner rail, and the buckling mechanism is a sliding lock groove, and a sliding nail is arranged on the swing buckle, and the sliding nail is connected in the sliding lock groove by sliding through the inner slider, and the sliding nail is clamped on the end face of the sliding lock groove through a clamping block at one end.

[0005] Furthermore, it also includes a side plate assembly, the assembly is provided with an assembly groove in the up-down direction, the outer slider is provided with a guide long hole, and the outer slider is slidably mounted on the assembly groove through the guide long hole.

[0006] Furthermore, the inner sliding block is provided with a swing hole for the swing buckle to slide up and down, and the swing hole is arc-shaped.

[0007] Furthermore, the buckling mechanism and the inner rail are an integrally formed structure.

[0008] Furthermore, the buckling mechanism is a plastic part, which is fixedly installed on the rear end of the inner rail.

[0009] Furthermore, anti-collision parts are provided at the front end and the upper end of the fixing frame.

[0010] Furthermore, a spring member is provided between the upper end of the fixing frame and the upper end of the inner slider, and between the lower end of the fixing frame and the lower end of the inner slider, and two ends of the spring member are respectively fixedly connected to the fixing frame and the inner slider.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention provides a slide rail interlocking mechanism for preventing multiple drawers from being opened at the same time. The inner slide block on the fixed frame slides by pushing the slide nail through the inner rail. During the sliding process, the left slide block moves toward the front end, and the slide block pushes the upper and lower outer slide blocks through the inclined surface. At this time, the outer slide block abuts against and is fixed to the slide block of the upper and lower slide rails, and the drawers installed on other slide rails cannot be pulled out because of the fixing of the slide block. When one drawer is pulled out of the frame, other drawers cannot be pulled out, thereby avoiding pulling out multiple drawers at the same time, ensuring the center of gravity of the frame, and preventing the drawers from tipping over and causing damage or injury due to all being pulled out.

[0013] 2. The present invention provides a slide rail interlocking mechanism for preventing multiple drawers from being opened simultaneously. The block at one end of the sliding pin on the swing buckle is buckled on the end face of the sliding lock slot. In the past, after the drawer was pulled out, the sliding pin would be separated from the sliding lock slot when the drawer was shaken, causing the drawer to be stuck and not pulled out smoothly. Now, the sliding pin is connected to the end face of the sliding lock slot through the block at one end, thereby avoiding the situation of being separated from the sliding lock slot. The structure is simple.

[0014] 3. The present invention provides a slide rail interlocking mechanism for preventing multiple layers of drawers from being opened at the same time. The locking mechanism for locking the sliding pin is made into a plastic part. The sliding pin can be locked in the sliding lock groove on the plastic part. When the drawer is pushed back, the inner rail returns to the rail, and the sliding pin collides with the sliding lock groove on the plastic part and then locks, thereby reducing the collision noise and achieving a silent effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the explosion of the present invention.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 3 It is a schematic diagram of the main structure of the present invention.

[0018] Figure 4It is a rear structural schematic diagram of the present invention.

[0019] Figure 5 for Figure 4 A local enlarged schematic diagram of point A in the middle.

[0020] Figure 6 It is a schematic diagram of the closing structure of the present invention.

[0021] Figure 7 It is a schematic diagram of the opening structure of the present invention.

[0022] Figure 8 It is a first design schematic diagram of the buckle mechanism of the present invention.

[0023] Fig. 9 It is a second design schematic diagram of the buckle mechanism of the present invention.

[0024] Fig.10 It is a schematic diagram of the structure of the swing buckle in the present invention.

[0025] In the figure: outer rail 1, through slot 11, middle rail 2, inner rail 3, sliding lock slot 31, fixing frame 4, straight hole portion 41, hanging hole portion 42, anti-collision member 43, swing buckle 5, guide column 51, sliding nail 52, block 520, inner slider 6, sliding stopper 61, first limit portion 610, swing hole 62, outer slider 7, second limit portion 71, assembly body 8, assembly slot 81, spring member 9. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings:

[0027] In the description of the present invention, it should be understood that the terms "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the purpose of sub-describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention; in addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features; thus, it is defined that "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly including one or more of the features.

[0028] like Figure 1 , 2A slide rail interlocking mechanism for preventing multiple layers of drawers from being opened at the same time as shown in 4 comprises an outer rail 1, a middle rail 2 and an inner rail 3 which are sequentially embedded and slidably connected, the outer rail 1 being fixed on a frame, the inner rail 3 being fixedly connected to the drawer, and three or more drawers, that is, more than six sets of slide rail interlocking mechanisms are required to be symmetrically installed on both sides of the drawer, a fixing frame 4 is fixedly installed at the rear end of the outer rail 1, a straight hole portion 41 extending in the front-to-back direction is penetrated in the middle of the fixing frame 4, a hanging hole portion 42 is extended downwardly from the front end of the straight hole portion 41, a swing buckle 5 is provided on the straight hole portion 41, and the swing buckle 5 is slidably set in the straight hole portion 41 and buckled in the hanging hole portion 42 through a guide column 51.

[0029] Reference Figure 1 and 5 The outer rail 1 is provided with a through slot 11 on the left side of the fixing frame 4, and the inner slider 6 is slidably provided on the fixing frame 4, and a sliding block 61 extends from the left side of the inner slider 6 through the through slot 11, and a first limiting portion 610 in a trapezoidal shape is provided at the front end of the sliding block 61, and an outer slider 7 is symmetrically provided above and below the sliding block 61, and a second limiting portion 71 corresponding to the first limiting portion 610 is provided at the upper and lower ends of the outer slider 7, and the second limiting portion 71 is inclined corresponding to the outer slider 7, and the inner slider 6 on the fixing frame 4 is pushed by the inner rail 3 The sliding pin 52 slides, and during the sliding process, the sliding block 61 on the left side moves toward the front end, and the sliding block 61 pushes the upper and lower outer sliding blocks 7 through the inclined surface. At this time, the outer sliding block 7 is abutted against and fixed with the sliding block 61 of the upper and lower slide rails, and the drawers installed on other slide rails cannot be pulled out because of the fixation of the sliding block 61, so that when one drawer is pulled out of the frame, other drawers cannot be pulled out of the drawer, thereby avoiding pulling out multiple drawers at the same time and ensuring the center of gravity of the frame, so that the drawers will not tip over and cause damage or injury due to being fully pulled out.

[0030] Reference Figure 1 and 10 The end of the inner rail 3 is provided with a buckling mechanism, which is a sliding lock groove 31. A sliding nail 52 is provided on the swing buckle 5. The sliding nail 52 is slidably connected in the sliding lock groove 31 by passing through the inner sliding block 6, and the sliding nail 52 is clamped on the end surface of the sliding lock groove 31 through a clamping block 520 at one end. In the past, after the drawer was pulled out, the sliding nail 52 would be disengaged from the sliding lock groove 31 when the drawer was shaken, causing the drawer to be stuck and not pulled smoothly. Now, the sliding nail 52 is clamped on the end surface of the sliding lock groove 31 through a clamping block 520 at one end to avoid the situation of being disengaged from the sliding lock groove 31.

[0031] In a preferred embodiment of the present invention, referring to Figure 2, and also includes a side plate assembly 8, on which an assembly groove 81 is provided in the up-down direction, and a guide long hole 72 is provided on the outer slider 7, and the outer slider 7 is slidably mounted on the assembly groove 81 through the guide long hole 72. The side plate assembly 8 is a side plate of the frame, and the assembly groove 81 is provided for the outer slider 7 to move up and down to fix the inner slider 6.

[0032] In a preferred embodiment of the present invention, referring to Figure 7 The inner slider 6 is provided with a swing hole 62 for the swing buckle 5 to slide up and down. The swing hole 62 is arc-shaped. Through the swing hole 62, the sliding nail 52 can smoothly buckle or disengage from the sliding lock groove 31 when swinging in the swing hole 62.

[0033] In a preferred embodiment of the present invention, referring to Figure 8 The buckle mechanism and the inner rail 3 are an integrally formed structure, which can reduce the number of finished products compared to plastic parts.

[0034] In a preferred embodiment of the present invention, referring to Fig. 9 The buckling mechanism is a plastic part, which is fixedly installed at the rear end of the inner rail 3. The buckling mechanism for clamping the sliding nail 52 is made into a plastic part, and the sliding nail 52 can be buckled in the sliding lock groove 31 on the plastic part. When the drawer is pushed back, the inner rail 3 returns to the track, and the sliding nail 52 collides with the sliding lock groove 31 on the plastic part and then clamps, thereby reducing the collision noise and enhancing the quiet effect.

[0035] In a preferred embodiment of the present invention, referring to Figure 1 The front end and the upper end of the fixing frame 4 are both provided with anti-collision parts 43 to prevent the middle rail 2 and the inner slide block 6 from being damaged by excessive collision force when the drawer is pushed back.

[0036] In a preferred embodiment of the present invention, referring to Figure 3 A spring member 9 is provided between the upper end of the fixed frame 4 and the upper end of the inner slide 6, and between the lower end of the fixed frame 4 and the lower end of the inner slide 6. The two ends of the spring member 9 are respectively fixedly connected to the fixed frame 4 and the inner slide 6, so that the inner slide 6 can quickly pull the drawer back to its original position when the drawer is pushed back.

[0037] The main working principle and process of the present invention:

[0038] When the drawer is pulled out of the frame, the inner rail 3 fixedly connected to the drawer moves outward, driving the sliding nail 52 buckled in the buckling mechanism of the inner rail 3, and the sliding nail 52 moves toward the front end along the straight hole portion 41 through the guide column 51, and the guide column 51 moves to and buckles in the hanging hole portion 42, and then the sliding nail 52 is disengaged from the buckling mechanism, so that the inner rail 3 can continue to move outward; while the sliding nail 52 moves toward the front end, it also pushes the inner slide block 6 to move toward the front end, and the movement of the inner slide block 6 causes the first limiting portion 610 of the sliding stopper 61 to move toward the front end. Move toward the second limit portion 71 of the outer slider 7, and the first limit portion 610 changes from being in contact with the second limit portion 71 to pushing the upper outer slider 7 to move upward, and the top surface of the upper outer slider 7 presses against the sliding block 61 of the upper guide rail, thereby locking the upper guide rail, wherein the outer slider 7 below the sliding block 61 does not need to be pushed by the sliding block 61 due to gravity, but the bottom surface of the sliding block 61 presses against the top surface of the lower outer slider 7, so that the lower outer slider 7 can clamp the sliding block 61 of the lower guide rail, thereby locking the lower guide rail.

[0039] When the drawer is pushed back from outside the frame, the inner rail 3 moves inward, and the locking mechanism moves the sliding nail 52 in an arc shape along the sliding lock groove 31. The sliding nail 52 disengages from the hanging hole portion 42 through the guide column 51 and moves toward the rear end along the straight hole portion 41. The sliding nail 52 pushes the inner sliding block 6 to move toward the rear end. After the sliding block 61 moves to the rear end, the outer sliding blocks 7 above and below the sliding block 61 are no longer pressed against the sliding block 61, so that the outer sliding block 7 no longer locks the upper and lower guide rails.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slide rail interlocking mechanism for preventing multiple drawers from being opened simultaneously, comprising an outer rail (1), a middle rail (2) and an inner rail (3) which are sequentially embedded and slidably connected, a fixing frame (4) being fixedly mounted at the rear end of the outer rail (1), a straight hole portion (41) extending in the front-to-back direction being penetrated in the middle of the fixing frame (4), a hanging hole portion (42) extending downwardly from the front end of the straight hole portion (41), a swing buckle (5) being provided on the straight hole portion (41), the swing buckle (5) being slidably arranged in the straight hole portion (41) and buckled in the hanging hole portion (42) through a guide column (51), characterized in that: The outer rail (1) is provided with a through slot (11) on the left side of the fixing frame (4), an inner slide block (6) is slidably provided on the fixing frame (4), and a sliding block (61) is extended from the left side of the inner slide block (6) through the through slot (11), a first position limiting portion (610) in a trapezoidal shape is provided at the front end of the sliding block (61), and an outer slide block (7) is symmetrically provided above and below the sliding block (61), and the upper and lower ends of the outer slide block (7) are provided with corresponding first position limiting portions (610) The second limiting portion (71) is provided with an inclined surface corresponding to the outer slider (7); a buckling mechanism is provided at the end of the inner rail (3); the buckling mechanism is an arc-shaped sliding lock groove (31); a sliding nail (52) is provided on the swing buckle (5); the sliding nail (52) is slidably connected in the sliding lock groove (31) by passing through the inner slider (6); and the sliding nail (52) is buckled on the end surface of the sliding lock groove (31) through a clamping block (520) at one end.

2. A slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: It also includes a side plate assembly (8), wherein the assembly (8) is provided with an assembly groove (81) in the up-down direction, and the outer sliding block (7) is provided with a guide long hole (72), and the outer sliding block (7) is slidably mounted on the assembly groove (81) through the guide long hole (72).

3. The slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: The inner slide block (6) is provided with a swing hole (62) for the swing buckle (5) to slide up and down, and the swing hole (62) is arc-shaped.

4. The slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: The buckling mechanism and the inner rail (3) are an integrally formed structure.

5. The slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: The buckling mechanism is a plastic part and is fixedly mounted on the rear end of the inner rail (3).

6. The slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: The front end and the upper end of the fixing frame (4) are both provided with anti-collision parts (43).

7. The slide rail interlocking mechanism for preventing multiple drawers from opening simultaneously according to claim 1, characterized in that: A spring component (9) is provided between the upper end of the fixing frame (4) and the upper end of the inner slide block (6), and between the lower end of the fixing frame (4) and the lower end of the inner slide block (6). The two ends of the spring component (9) are respectively fixedly connected to the fixing frame (4) and the inner slide block (6).

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