Slide rail with elasticity-adjustable rebound self-locking device

Abstract

The embodiment of the invention discloses a sliding rail with an elastic force adjustable rebound self-locking device. The sliding rail comprises a fixed seat, a rebound frame, a rebound shifting fork, a self-locking shifting fork, a hook, a sliding assembly, a first elastic piece and a second elastic piece. The rebounding self-locking device is arranged on the drawer sliding rail, when the drawer is opened, the drawer is pushed inwards firstly, the movable sliding rail of the drawer pushes the rebounding frame and the sliding assembly to the bottom, at the moment, the movable sliding rail is rebounded out under the elastic force action of the first elastic piece and the second elastic piece, and the drawer is rebounded out; the drawer can be completely opened by pulling the drawer with a hand, opening and closing of the sliding rails can be completed through simple pressing control, operation is convenient, arrangement of a drawer handle can be omitted, the pop-up elastic force can be adjusted, the overall appearance is attractive and novel, and the use experience of a user is obviously improved; when the drawer is closed, the drawer is pushed inwards, and the rebound shifting 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 invention relates to the technical field of drawer slide rails, and in particular to a slide rail with an elastically adjustable rebound self-locking device. Background Art

[0002] The existing slide rails are not provided with rebound, self-locking and buffer devices. When installed on furniture, handles need to be provided on the outside of the drawer so that the drawer can be pulled, which increases the cost. The handles on the outside of the drawer will affect the appearance of the drawer. The drawer has a large resistance when opening or closing, and it is not smooth. It takes a lot of effort to pull out the slide rail when opening, which is very inconvenient to use. After long-term use, the parts may be deformed and damaged. When moving the table, the drawer is easy to slide out under the action of its own weight, causing inconvenience in moving and even damaging the furniture.

[0003] Therefore, it is necessary to make further improvements. Summary of the invention

[0004] The technical problem to be solved by the embodiments of the present invention is to provide a slide rail with an elastically adjustable rebound self-locking device.

[0005] In order to solve the above technical problems, an embodiment of the present invention provides a slide rail with an elastic force adjustable rebound self-locking device, wherein the slide rail comprises a fixed slide rail and a movable slide rail installed therein and movable relative thereto, wherein the movable slide rail comprises a nested sliding middle rail and an inner rail, and further comprises a fixed seat, a rebound frame, a rebound fork, a self-locking fork, 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 rebound frame is slidably arranged on the fixed seat, and the rebound frame is connected to the fixed seat through the first elastic member so that it has elastic stress toward the outside; a rebound groove and a self-locking groove are arranged in the middle of the fixed seat, the rebound fork is swingably arranged on the inner wall of the rebound frame and has a hanging column, the hanging column slides in the rebound groove, the hook is arranged on the inner wall of the inner rail, the self-locking fork is swingably arranged in the rebound frame and has a guide column, the lower end of the guide column slides in the self-locking groove, and the guide column is arranged on the inner wall of the inner rail. The end passes through the rebound frame and then movably cooperates with the hook, the rebound groove has a first locking position and a second locking position, and 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 to lock or unlock the rebound frame; the sliding component is slidably arranged on the rebound frame and movably contacts with the end of the inner rail, the sliding component is connected to the rebound frame through the second elastic member so that it has an elastic stress toward the outside, and the sliding component includes an elastic adjustment unit, and the elastic adjustment unit is used to adjust the elastic force of the second elastic member.

[0007] Furthermore, the sliding assembly also includes a sliding block, which is slidably set on the rebound frame, and the elastic adjustment unit includes an adjusting gear and a matching block. The sliding block is provided with a through hole, and the adjusting part of the adjusting gear can be rotatably set in the through hole. The inner wall of the sliding block is provided with a limiting tooth groove, and the limiting tooth groove cooperates with the gear part of the adjusting gear. The matching block is slidably set in the sliding block, and the matching block is connected to the second elastic member. The limiting column of the adjusting gear passes through the limiting hole of the matching block, and the inner wall of the limiting hole is limitedly matched with the limiting column.

[0008] Furthermore, the rebound groove has an introduction slope, and the hanging column enters the first locking position along the introduction slope. The first locking position has an exit slope on the inner side, and the hanging column leaves the first locking position along the exit slope.

[0009] Furthermore, when the slide rail is in a closed state, 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 disengaged from the first locking position, the rebound frame pops outward and simultaneously pushes the hook and the inner rail to pop outward through 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] Furthermore, when the slide rail is in the open state, the inner rail is pushed inward, the inner rail pushes the sliding assembly, and at the same time the hook causes the self-locking fork to deflect and disengage from 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, and when the hanging column falls into the first locking position, the rebound frame stops sliding and is locked.

[0011] Furthermore, 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] Furthermore, when the hanging column falls into the second locking position, the guide column also falls into the third locking position.

[0013] Furthermore, the inner wall of the hook has a concave position, and when the upper end of the guide column is placed in the concave position, the self-locking fork is deflected.

[0014] Furthermore, limit blocks are fixedly arranged on both sides of the inner wall of the rebound frame, and the sliding assembly slides between the tail end of the rebound frame and the limit blocks.

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

[0016] Implementing the embodiments of the present invention has the following beneficial effects:

[0017] By arranging a rebound self-locking device on the drawer slide rail, when the drawer is opened, the drawer is first pushed inward, and 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 rebounds out under the elastic force of the first elastic member and the second elastic member, so that the drawer rebounds out, and then the drawer can be fully opened by pulling the drawer by hand. When opening, there is no need to use a handle, and the opening and closing of the slide rail can be completed by simple pressing control. The operation is convenient, and the setting of the drawer handle can be cancelled, making the overall appearance beautiful and novel, and the user experience is significantly improved;

[0018] When closing the drawer, the drawer is pushed inward, and the rebound fork is stuck in the first locking position, thereby locking the drawer and closing the drawer again. The drawer 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 adjustment unit, which can adjust the elastic force provided by the stroke change of the elastic member by adjusting the relative distance between the matching block and the rebound frame, so as to adjust the switching elastic force of the inner rail, making it more convenient and comfortable for users to open and close the drawer. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is a schematic structural diagram of a fixed slide rail and a movable slide rail according to an embodiment of the present invention;

[0022] Figure 3 is a schematic structural diagram of a fixing base and a first elastic member according to an embodiment of the present invention;

[0023] Figure 4 1. It is a sliding path diagram of the rebound fork in the rebound groove according to an embodiment of the present invention;

[0024] Figure 5 It is a schematic structural diagram of a rebound frame, a sliding assembly and a second elastic member according to an embodiment of the present invention;

[0025] Figure 6 It is a schematic structural diagram of a rebound frame, a rebound fork and a self-locking fork according to an embodiment of the present invention;

[0026] Figure 7 2 is a schematic diagram of the structure of a rebound fork according to an embodiment of the present invention;

[0027] Figure 8 2 is a schematic structural diagram of a self-locking fork according to an embodiment of the present invention;

[0028] Fig. 9 It is a structural schematic diagram of a hook according to an embodiment of the present invention;

[0029] Fig.10 is a schematic diagram of the internal structure of a sliding assembly according to an embodiment of the present invention;

[0030] Fig.11 is an exploded view of a sliding assembly according to an embodiment of the present invention;

[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, import slope, 3014, export slope, 302, self-locking groove, 3021, third locking position, 4, rebound frame, 401, limit block, 5, rebound fork, 501, hanging column, 6, self-locking fork, 601, guide column, 7, hook, 701, recess, 8, sliding assembly, 81, sliding block, 811, through hole, 812, limit tooth groove, 82, adjusting gear, 821 adjusting part, 822, gear part, 823, limit column, 83, matching block, 831, limit hole, 9, first elastic member, 10, second elastic member. DETAILED DESCRIPTION

[0032] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] like Figure 1-9As shown, a slide rail with an elastic force adjustable rebound self-locking device, the slide rail includes a fixed slide rail 1 and a movable slide rail 2 installed therein and movable relative thereto, the movable slide rail 2 includes a nested sliding middle rail 201 and an inner rail 202, and 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 rear end of the fixed slide rail 1, the rebound frame 4 is slidably arranged on the fixed seat 3, and the rebound frame 4 is connected to the fixed seat 3 through the first elastic member 9 so that it has elastic stress toward the outside; a rebound groove 301 and a self-locking groove 302 are arranged in the middle of the fixed seat 3, and the rebound frame 4 is arranged on the fixed seat 3. The shifting fork 5 is swingably arranged on the inner wall of the rebound frame 4 and has a hanging column 501, the hanging column 501 slides in the rebound groove 301, the hook 7 is arranged on the inner wall of the inner rail 202, the self-locking shifting fork 6 is swingably arranged in the rebound frame 4 and has a guide column 601, the lower end of the guide column 601 slides in the self-locking groove 302, the upper end of the guide column 601 passes through the rebound frame 4 and then flexibly cooperates 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, and the first locking position 3011, the second locking position 3012 and the third locking position 3021 are used to lock or unlock the rebound frame 4. Preferably, the first elastic member 9 and the second elastic member 10 are both tension springs. The rebound groove 301 has an inlet slope 3013 , along which the hanging column 501 enters the first locking position 3011 . The first locking position 3011 has an outlet slope 3014 inside, along which the hanging column 501 escapes from the first locking position 3011 .

[0034] like Figure 5-9 As shown, limit 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 limit blocks 401. The rebound fork 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 fork 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. 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 concave position 701, and when the upper end of the guide column 601 is placed in the concave position 701, the self-locking fork 6 is deflected.

[0035] like Figure 5 , 10As shown in 11, the sliding assembly 8 is slidably arranged on the rebound frame 4 and is in active contact with the end of the inner rail 202. The sliding assembly 8 is connected to the rebound frame 4 through the second elastic member 10 so that it has elastic stress toward the outside. The sliding assembly 8 includes an elastic adjustment unit and a sliding block 81. The elastic adjustment unit is used to adjust the elastic force of the second elastic member 10. The sliding block 81 is slidably arranged on the rebound frame 4. The elastic adjustment unit includes an adjusting gear 82 and a matching block 83. The sliding block is provided with a through hole 811. The adjusting portion 821 of the adjusting gear 82 can be rotatably arranged in the through hole 811. A limiting tooth groove 812 is arranged on the inner wall of the sliding block 81. The limiting tooth groove 812 cooperates with the gear portion 822 of the adjusting gear 82. The matching block 83 is slidably arranged in the sliding block 81. The matching block 83 is connected to 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 disengage from the limiting tooth groove 812 , and the limiting column 823 slides in the limiting hole 831 and drives the matching block 83 to slide, thereby adjusting the relative distance between the matching block 83 and the rebound frame 4 , thereby adjusting the elastic force of the second elastic member 10 .

[0036] It should be noted that the elastic adjustment unit in this embodiment adopts the mode of adjusting the gear 82 and the matching block 83, but the key lies in adjusting the elastic force of the second elastic member 10. Therefore, it is assumed that the adjusting gear 82 is replaced by a roller or the shape of the matching block 83 is geometrically changed, etc., and adjustments are made on the fixed seat 3 to change the relative distance between the matching block 83 and the rebound frame 4. That is, for the simple changes made to the elastic adjustment unit in this embodiment, other producers, sellers or users only imitate this application with slight modifications, which should be regarded as equivalent infringement.

[0037] Principle of this embodiment:

[0038] When the slide rail is in the closed state, the first elastic member 9 and the second elastic member 10 are both 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 both have a tendency to slide outward, pressing the inner rail 202 inward, the hanging column 501 slides along the lead-out inclined surface 3014 to disengage from the first locking position 3011, the rebound frame 4 pops outward and simultaneously pushes the hook 7 and the inner rail 202 to pop out synchronously through the guide column 601, the rebound frame 4 pushes the middle rail 201 to pop out, the sliding assembly 8 pushes the inner rail 202 to pop out, and then the hanging column 501 falls into the second locking position 3012, and at the same time the self-locking fork 6 deflects, the guide column 601 falls into the third locking position 3021, the rebound frame 4 stops sliding, and the movable slide rail 2 will continue to slide outward for a distance due to inertia. When the slide rail is in the open state, the inner rail 202 is pushed inward, the inner rail 202 pushes the sliding assembly 8, and at the same time the hook 7 causes the self-locking fork 6 to deflect and disengage from the third locking position 3021; ​​the middle rail 201 pushes the rebound frame 4 to slide inward, and the hanging column 501 moves inward after leaving the second locking position 3012. When the hanging column 501 slides along the guide 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 locks and falls 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 features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any modifications made according to the spirit of the main technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A slide rail with an elastic force adjustable rebound self-locking device, the slide rail comprising a fixed slide rail (1) and a movable slide rail (2) installed therein and movable relative thereto, the movable slide rail (2) comprising a middle rail (201) and an inner rail (202) which are nested and slideable, characterized in that: It also includes a fixing 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 rear end of the fixed slide rail (1); the rebound frame (4) is slidably arranged on the fixed seat (3); the rebound frame (4) is connected to the fixed seat (3) through the first elastic member (9) so that it has elastic stress toward the outside; a rebound groove (301) and a self-locking groove (302) are arranged in the middle of the fixed seat (3); the rebound fork (5) is swingably arranged on the inner wall of the rebound frame (4) and has a hanging column (501); the hanging column (501) slides 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 swingably arranged in the rebound frame (4) and has a guide column (601); the lower end of the guide column (601) slides in the self-locking groove (302); the guide column (60 1) The upper end thereof passes through the rebound frame (4) and then movably cooperates 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 to lock or unlock the rebound frame (4); the sliding component (8) is slidably arranged on the rebound frame (4) and movably contacts with the end of the inner rail (202); the sliding component (8) is connected to the rebound frame (4) through the second elastic member (10) so that it has an elastic stress toward the outside; the sliding component (8) comprises an elasticity adjustment unit, and the elasticity adjustment unit is used to adjust the elastic force of the second elastic member (10).

2. A slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: The sliding assembly (8) further comprises a sliding block (81), wherein the sliding block (81) is slidably arranged on the rebound frame (4), and the elastic adjustment unit comprises an adjusting gear (82) and a matching block (83), wherein the sliding block is provided with a through hole (811), and the adjusting portion (821) of the adjusting gear (82) is rotatably arranged in the through hole (811), and a limiting tooth groove (812) is arranged on the inner wall of the sliding block (81), and the limiting tooth groove (812) is matched with the gear portion (822) of the adjusting gear (82), and the matching block (83) is slidably arranged in the sliding block (81), and the matching block (83) is connected to the second elastic member (10), and 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).

3. The slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: The rebound groove (301) has an introduction slope (3013), and the hanging column (501) enters the first locking position (3011) along the introduction slope (3013). The first locking position (3011) has an exit slope (3014) on the inner side, and the hanging column (501) is separated from the first locking position (3011) along the exit slope (3014).

4. The slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: When the slide rail is in the closed state, 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 disengaged from the first locking position (3011), the rebound frame (4) pops outward and simultaneously pushes the hook (7) and the inner rail (202) to pop 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.

5. The slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: When the slide rail is in the open state, the inner rail (202) is pushed inward, the inner rail (202) pushes the sliding assembly (8), and at the same time the hook (7) causes the self-locking fork (6) to deflect and disengage 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 when the hanging column (501) falls into the first locking position (3011), the rebound frame (4) stops sliding and is locked.

6. The slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: The rebound fork (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 fork (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).

7. The slide rail with an elastic force adjustable rebound self-locking device according to claim 5, 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).

8. The slide rail with an elastic force adjustable rebound 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 fork (6) is deflected.

9. The slide rail with an elastic force adjustable rebound self-locking device according to claim 1, characterized in that: Limit blocks (401) are fixedly arranged on both sides of the inner wall of the rebound frame (4), and the sliding component (8) slides between the rear end of the rebound frame (4) and the limit blocks (401).

10. A slide rail with an elastic force adjustable rebound self-locking device according to any one of claims 1 to 9, characterized in that: The first elastic member (9) and the second elastic member (10) are both tension springs.

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