A slide rail with elastic adjustable rebound self-locking device

Abstract

The embodiment of the application discloses a slide rail with an elastic force adjustable rebound self-locking device, which comprises a fixing base, a rebound frame, a rebound fork, a self-locking fork, a hook, a sliding assembly, a first elastic member and a second elastic member; the rebound self-locking device is arranged on the drawer slide rail; when the drawer is opened, the drawer is first pushed inwards; the movable slide rail of the drawer pushes the rebound frame and the sliding assembly to the bottom; at this time, the movable slide rail is rebounded out under the elastic force of the first elastic member and the second elastic member, so that the drawer is rebounded out; then the drawer is pulled by hand to completely open the drawer; the opening and closing of the slide rail can be completed by simple pressing control, the operation is convenient, the setting of the drawer handle can be cancelled, the rebound elastic force can be adjusted, the overall appearance is beautiful and novel, and the use experience of the user is obviously improved; when the drawer is closed, the drawer is pushed inwards, the rebound fork is clamped in the first locking position, so that the drawer is locked, and the drawer is closed again.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drawer slide rail, in particular to a slide rail with elastic force adjustable bounce self-locking device. BACKGROUND

[0002] The existing slide rail does not set bounce, self-locking and buffer device, and needs to set handle outside the drawer when installed on furniture so as to pull the drawer, which leads to cost increase, and the handle outside the drawer affects the appearance of the drawer, the resistance when the drawer is opened or closed is large, and it is not smooth, and a large force is needed to pull out the slide rail when opened, which is very inconvenient to use, and the parts may be deformed and damaged after long time use; when the table is moved, the drawer is easy to slide out under the action of gravity, which causes inconvenience and even damage to the furniture.

[0003] Therefore, it is necessary to make further improvement. SUMMARY

[0004] The technical problem to be solved by the embodiments of the present application is to provide a slide rail with elastic force adjustable bounce self-locking device.

[0005] In order to solve the above technical problems, the embodiments of the present application provide a slide rail with elastic force adjustable bounce self-locking device, the slide rail comprises a fixed slide rail and a movable slide rail installed in the fixed slide rail and movable relative to the fixed slide rail, the movable slide rail comprises a middle rail and an inner rail which are nested and slide, further comprises a fixed seat, a bounce frame, a bounce yoke, a self-locking yoke, a hook, a sliding assembly, a first elastic member and a second elastic member;

[0006] The fixed seat is fixedly arranged on the inner wall of the tail end of the fixed slide rail, the bounce frame is slidably arranged on the fixed seat, and the bounce frame and the fixed seat are connected through the first elastic member to have elastic stress outward; the middle part of the fixed seat is provided with a bounce groove and a self-locking groove, the bounce yoke is swingingly arranged on the inner wall of the bounce frame and has a hanging column, the hanging column slides in the bounce groove, the hook is arranged on the inner wall of the inner rail, the self-locking yoke is swingingly arranged in the bounce frame and has a guide column, the lower end of the guide column slides in the self-locking groove, and the upper end of the guide column passes through the bounce frame and is movably connected with the hook, the bounce groove has a first locking position and a second locking position, the self-locking groove has a third locking position, and the first locking position, the second locking position and the third locking position are used for locking or unlocking the bounce frame; the sliding assembly is slidably arranged on the bounce frame and movably contacts with the end part of the inner rail, the sliding assembly and the bounce frame are connected through the second elastic member to have elastic stress outward, and the sliding assembly comprises an elastic adjusting unit for adjusting the elastic force of the second elastic member.

[0007] Further, the sliding assembly further comprises a sliding block, the sliding block is slidably arranged on the rebound frame, the elastic adjusting unit comprises an adjusting gear and a matching block, the sliding block is provided with a through hole, an adjusting part of the adjusting gear is rotatably arranged in the through hole, a limiting tooth groove is arranged on an inner wall of the sliding block, the limiting tooth groove is matched with a gear part of the adjusting gear, the matching block is slidably arranged in the sliding block, the matching block is connected with the second elastic member, a limiting column of the adjusting gear passes through a limiting hole of the matching block, an inner wall of the limiting hole is limitedly matched with the limiting column.

[0008] Further, the rebound slot has a guide-in slope, the hanging column enters the first locking position along the guide-in slope, an inner side of the first locking position has a guide-out slope, the hanging column is separated from the first locking position along the guide-out slope.

[0009] Further, in the closed state of the slide rail, the hanging column is located in the first locking position and the rebound frame has a tendency to slide outward, the inner rail is pressed inward, the hanging column is separated from the first locking position, the rebound frame is popped outward, the hook and the inner rail are pushed outward by the guide column, the rebound frame pushes the middle rail to pop outward, the hanging column falls into the second locking position, and the rebound frame stops sliding.

[0010] Further, in the opened state of the slide rail, the inner rail is pushed inward, the inner rail pushes the sliding assembly, at the same time, the hook deflects the self-locking fork and separates the third locking position; the middle rail pushes the rebound frame to slide inward, the hanging column moves inward after leaving the second locking position, the rebound frame stops sliding and is locked when the hanging column falls into the first locking position.

[0011] Further, the rebound fork is deflected, the hanging column falls into the first locking position or the second locking position, and the rebound frame is locked on the fixed seat; the self-locking fork is deflected, the guide column falls into the third locking position, and the rebound frame is locked on the fixed seat.

[0012] Further, when the hanging column falls into the second locking position, the guide column also falls into the third locking position.

[0013] Further, an inner wall of the hook is provided with a recess position, when an upper end of the guide column is arranged in the recess position, the self-locking fork is deflected.

[0014] Further, limiting blocks are fixedly arranged on both sides of an inner wall of the rebound frame, and the sliding assembly is slid between a tail end of the rebound frame and the limiting blocks.

[0015] Further, the first elastic member and the second elastic member are both tension springs.

[0016] The embodiment of the present application has the following beneficial effects:

[0017] By setting the rebound self-locking device on the drawer slide rail, when the drawer is opened, the drawer is first pushed inward, the movable slide rail pushes the rebound frame and the sliding assembly to the bottom, at this time, the movable slide rail is rebounded out under the elastic force of the first elastic member and the second elastic member, so that the drawer is rebounded out, then the drawer can be completely opened by pulling the drawer with the hand, and the drawer handle can be cancelled, so that the overall appearance is beautiful and novel, and the user's use experience is obviously improved.

[0018] When the drawer is closed, the drawer is pushed inward, and the rebound fork is clamped in the first locking position, so that the drawer is locked, and the drawer is closed again, which has the characteristics of simple structure, convenient use, long service life, smooth operation and strong practicality.

[0019] The sliding assembly is provided with an elastic adjusting unit, which can adjust the elastic force provided by the elastic member by adjusting the relative distance between the cooperating block and the rebound frame, so as to adjust the opening and closing elastic force of the inner rail, so that the user is more convenient and comfortable when opening and closing the drawer. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0021] Figure 2 is a schematic diagram of the structure of the fixed slide rail and the movable slide rail of the embodiment of the present application;

[0022] Figure 3 is a schematic diagram of the structure of the fixed seat and the first elastic member of the embodiment of the present application;

[0023] Figure 4 is a sliding path diagram of the rebound fork in the rebound groove of the embodiment of the present application;

[0024] Figure 5 is a schematic diagram of the structure of the rebound frame, the sliding assembly and the second elastic member of the embodiment of the present application;

[0025] Figure 6 is a schematic diagram of the structure of the rebound frame, the rebound fork and the self-locking fork of the embodiment of the present application;

[0026] Figure 7 is a schematic diagram of the structure of the rebound fork of the embodiment of the present application;

[0027] Figure 8 is a schematic diagram of the structure of the self-locking fork of the embodiment of the present application;

[0028] Figure 9 is a structural schematic diagram of the hook of the embodiment of the present application;

[0029] Figure 10 is a schematic diagram of the internal structure of the sliding assembly of the embodiment of the present application;

[0030] Figure 11 is an exploded view of the sliding assembly of the embodiment of the present application;

[0031] In the figure: 1, fixed slide rail, 2, movable slide rail, 201, middle rail, 202, inner rail, 3, fixed seat, 301, rebound groove, 3011, first locking position, 3012, second locking position, 3013, lead-in slope, 3014, lead-out slope, 302, self-locking groove, 3021, third locking position, 4, rebound frame, 401, limiting block, 5, rebound yoke, 501, hanging column, 6, self-locking yoke, 601, guide column, 7, hook, 701, concave position, 8, sliding assembly, 81, sliding block, 811, through hole, 812, limiting tooth groove, 82, adjusting gear, 821 adjusting part, 822, gear part, 823, limiting column, 83, matching block, 831, limiting hole, 9, first elastic member, 10, second elastic member. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings.

[0033] As Figures 1-9As shown in the figure, a slide rail with a spring-adjustable rebound self-locking device, the slide rail includes a fixed slide rail 1 and a movable slide rail 2 installed in it and movable relative to it, the movable slide rail 2 includes a nested sliding middle rail 201 and an inner rail 202, and further includes a fixed seat 3, a rebound bracket 4, a rebound yoke 5, a self-locking yoke 6, a hook 7, a sliding assembly 8, a first elastic member 9 and a second elastic member 10; the fixed seat 3 is fixedly arranged on the inner wall of the tail end of the fixed slide rail 1, the rebound bracket 4 is slidingly arranged on the fixed seat 3, and the rebound bracket 4 is connected with the fixed seat 3 through the first elastic member 9 to have an elastic stress outward; the middle part of the fixed seat 3 is provided with a rebound groove 301 and a self-locking groove 302, the rebound yoke 5 is swingingly arranged on the inner wall of the rebound bracket 4 and has a hanging column 501, the hanging column 501 is slidingly arranged in the rebound groove 301, the hook 7 is arranged on the inner wall of the inner rail 202, the self-locking yoke 6 is swingingly arranged in the rebound bracket 4 and has a guide column 601, the lower end of the guide column 601 is slidingly arranged in the self-locking groove 302, and the upper end of the guide column 601 is movably matched with the hook 7 after passing through the rebound bracket 4, the rebound groove 301 has a first locking position 3011 and a second locking position 3012, and the self-locking groove 302 has a third locking position 3021, the first locking position 3011, the second locking position 3012 and the third locking position 3021 are used for locking or unlocking the rebound bracket 4. Preferably, the first elastic member 9 and the second elastic member 10 are both tensile springs. The rebound groove 301 has an entry inclined surface 3013, the hanging column 501 enters the first locking position 3011 along the entry inclined surface 3013, the inner side of the first locking position 3011 has an exit inclined surface 3014, and the hanging column 501 exits the first locking position 3011 along the exit inclined surface 3014.

[0034] As shown in the figure, the rebound bracket 4 is provided with a limiting block 401 fixedly arranged on the inner wall of both sides, and the sliding assembly 8 is slidingly arranged between the tail end of the rebound bracket 4 and the limiting block 401. Figures 5-9 When the rebound yoke 5 is deflected, the hanging column 501 falls into the first locking position 3011 or the second locking position 3012, and the rebound bracket 4 is locked on the fixed seat 3. When the self-locking yoke 6 is deflected, the guide column 601 falls into the third locking position 3021, and the rebound bracket 4 is locked on the fixed seat 3. When the hanging column 501 falls into the second locking position 3012, the guide column 601 also falls into the third locking position 3021. The inner wall of the hook 7 has a recess 701, and when the upper end of the guide column 601 is placed into the recess 701, the self-locking yoke 6 is deflected.

[0035] As shown in the figure, Figure 5 , 10 ​As shown in FIG. 11, the sliding assembly 8 is slidingly arranged on the rebound frame 4 and in active contact with the end of the inner rail 202, the sliding assembly 8 is connected with the rebound frame 4 through the second elastic member 10 to have elastic stress to the outside, the sliding assembly 8 includes an elastic adjusting unit and a sliding block 81, the elastic adjusting unit is used for adjusting the elastic force of the second elastic member 10, the sliding block 81 is slidingly arranged on the rebound frame 4, the elastic adjusting unit includes an adjusting gear 82 and a matching block 83, the sliding block has a through hole 811, the adjusting part 821 of the adjusting gear 82 is rotatably arranged in the through hole 811, the inner wall of the sliding block 81 is provided with a limiting tooth groove 812, the limiting tooth groove 812 is matched with the gear part 822 of the adjusting gear 82, the matching block 83 is slidingly arranged in the sliding block 81, the matching block 83 is connected with the second elastic member 10, the limiting column 823 of the adjusting gear 82 passes through the limiting hole 831 of the matching block 83, and the inner wall of the limiting hole 831 is limitedly matched with the limiting column 823. The adjusting gear 82 is screwed to be separated from the limiting tooth groove 812, the limiting column 823 slides in the limiting hole 831 and drives the matching block 83 to slide, so that the relative distance between the matching block 83 and the rebound frame 4 is adjusted, and the elastic force of the second elastic member 10 is adjusted.

[0036] It should be noted that the elastic adjusting unit in the embodiment adopts the matching mode of the adjusting gear 82 and the matching block 83, but the key is to adjust the elastic force of the second elastic member 10, so it is assumed that the adjusting gear 82 is replaced by a roller or the shape of the matching block 83 is changed, and the like, and the relative distance between the matching block 83 and the rebound frame 4 is changed by adjusting on the fixed seat 3, that is, the simple change of the elastic adjusting unit in the embodiment is imitated by the producer, seller or user with slight modification, which should be regarded as an equivalent infringement.

[0037] Principle of the embodiment:

[0038] In the closed state of the slide rail, the first elastic member 9 and the second elastic member 10 are in a stretched state, the hanging column 501 is located in the first locking position 3011, and the rebound frame 4 and the sliding assembly 8 have a tendency to slide outward, the inner rail 202 is pressed inward, the hanging column 501 slides along the lead-out slope 3014 to disengage from the first locking position 3011, the rebound frame 4 is pushed outward and simultaneously pushes the hook 7 and the inner rail 202 to slide outward synchronously, the rebound frame 4 pushes the middle rail 201 to slide outward, the sliding assembly 8 pushes the inner rail 202 to slide outward, and then the hanging column 501 falls into the second locking position 3012, the self-locking fork 6 is deflected, the guide column 601 falls into the third locking position 3021, the rebound frame 4 stops sliding, and the movable slide rail 2 continues to slide outward for a distance due to inertia. In the open state of the slide rail, the inner rail 202 is pushed inward, the inner rail 202 pushes the sliding assembly 8, and the hook 7 deflects the self-locking fork 6 and disengages from the third locking position 3021; the middle rail 201 pushes the rebound frame 4 to slide inward, the hanging column 501 moves inward after leaving the second locking position 3012, the hanging column 501 slides along the lead-in slope 3013 and falls into the first locking position 3011, the rebound frame 4 stops sliding, the rebound frame 4 is locked, the self-locking fork 6 is locked into the hook 7, and the inner rail 202 is locked.

[0039] Of course, the above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any modification made according to the spirit and essence of the main technical solution of the present application should be covered within the protection scope of the present application.

Claims

1. A slide rail with a spring force adjustable anti-bounce self-locking device, the slide rail comprising a fixed slide rail (1) and a movable slide rail (2) mounted in the fixed slide rail (1) and movable relative to the fixed slide rail (1), the movable slide rail (2) comprising a middle rail (201) and an inner rail (202) nested and sliding relative to each other, characterized in that, It also includes a fixed seat (3), a rebound frame (4), a rebound fork (5), a self-locking fork (6), a hook (7), a sliding assembly (8), a first elastic member (9) and a second elastic member (10); The fixed seat (3) is fixedly arranged on the inner wall of the tail end of the fixed slide rail (1), the rebound frame (4) is slidingly arranged on the fixed seat (3), the rebound frame (4) and the fixed seat (3) are connected by the first elastic member (9) to have elastic stress to the outside, the middle of the fixed seat (3) is provided with a rebound groove (301) and a self-locking groove (302), the rebound fork (5) is swingingly arranged on the inner wall of the rebound frame (4) and has a hanging column (501), the hanging column (501) is slidingly arranged in the rebound groove (301), the hook (7) is arranged on the inner wall of the inner rail (202), the self-locking fork (6) is swingingly arranged in the rebound frame (4) and has a guide column (601), the lower end of the guide column (601) is slidingly arranged in the self-locking groove (302), the upper end of the guide column (601) passes through the rebound frame (4) and is movably connected with the hook (7), the rebound groove (301) has a first locking position (3011) and a second locking position (3012), the self-locking groove (302) has a third locking position (3021), the first locking position (3011), the second locking position (3012) and the third locking position (3021) are used for locking or unlocking the rebound frame (4), the sliding assembly (8) is slidingly arranged on the rebound frame (4) and movably contacts with the end of the inner rail (202), the sliding assembly (8) and the rebound frame (4) are connected by the second elastic member (10) to have elastic stress to the outside, the sliding assembly (8) comprises an elastic adjusting unit, and the elastic adjusting unit is used for adjusting the elastic force of the second elastic member (10); The sliding assembly (8) further comprises a sliding block (81), the sliding block (81) is slidingly arranged on the rebound frame (4), the elastic adjusting unit comprises an adjusting gear (82) and a matching block (83), the sliding block has a through hole (811), an adjusting part (821) of the adjusting gear (82) is rotatably arranged in the through hole (811), an inner wall of the sliding block (81) is provided with a limiting tooth groove (812), the limiting tooth groove (812) is matched with a gear part (822) of the adjusting gear (82), the matching block (83) is slidingly arranged in the sliding block (81), the matching block (83) is connected with the second elastic member (10), a limiting column (823) of the adjusting gear (82) passes through a limiting hole (831) of the matching block (83), and an inner wall of the limiting hole (831) is limitedly matched with the limiting column (823).

2. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, The rebound groove (301) has a guide-in slope (3013), the hanging column (501) enters the first locking position (3011) along the guide-in slope (3013), the first locking position (3011) has a guide-out slope (3014) on the inner side, and the hanging column (501) is separated from the first locking position (3011) along the guide-out slope (3014).

3. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, In the closed state of the slide rail, the hanging column (501) is located in the first locking position (3011), and the rebound frame (4) has a tendency to slide outward, the inner rail (202) is pressed inward, the hanging column (501) is separated from the first locking position (3011), the rebound frame (4) is pushed outward, the hook (7) and the inner rail (202) are pushed outward through the guide column (601), the rebound frame (4) pushes the middle rail (201) to pop outward, the hanging column (501) falls into the second locking position (3012), and the rebound frame (4) stops sliding.

4. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, In the open state of the slide rail, the inner rail (202) is pushed inward, the inner rail (202) pushes the sliding assembly (8), and the hook (7) deflects the self-locking yoke (6) and separates from the third locking position (3021); the middle rail (201) pushes the rebound frame (4) to slide inward, the hanging column (501) moves inward after leaving the second locking position (3012), and the rebound frame (4) stops sliding when the hanging column (501) falls into the first locking position (3011), and the rebound frame (4) is locked.

5. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, The rebound yoke (5) is deflected, the hanging column (501) falls into the first locking position (3011) or the second locking position (3012), and the rebound frame (4) is locked on the fixed seat (3); the self-locking yoke (6) is deflected, the guide column (601) falls into the third locking position (3021), and the rebound frame (4) is locked on the fixed seat (3).

6. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 4, characterized in that, When the hanging column (501) falls into the second locking position (3012), the guide column (601) also falls into the third locking position (3021).

7. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, The inner wall of the hook (7) has a recess (701), and when the upper end of the guide column (601) is placed in the recess (701), the self-locking yoke (6) is deflected.

8. The slide rail with the elastic adjustable anti-bounce self-locking device according to claim 1, characterized in that, Limiting blocks (401) are fixedly arranged on both sides of the inner wall of the rebound frame (4), and the sliding assembly (8) slides between the tail end of the rebound frame (4) and the limiting blocks (401).

9. The slide rail with the elastic adjustable anti-bounce self-locking device according to any one of claims 1-8, characterized in that, The first elastic member (9) and the second elastic member (10) are both tensile springs.

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