CN110772063B

CN110772063B - Large-capacity drawer anti-impact sliding rail self-locking structure assembly

Info

Publication number: CN110772063B
Application number: CN201910908966.8A
Authority: CN
Inventors: 褚一新; 蒋亢亢; 项炳法; 赵旭; 朱平平; 夏阿里; 褚才国
Original assignee: Haining Jinmao Hardware Co ltd
Current assignee: Haining Jinmao Hardware Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-09-28
Anticipated expiration: 2039-09-25
Also published as: CN110772063A

Abstract

The invention discloses a high-capacity drawer shock-resistant sliding rail self-locking structure assembly which comprises an outer rail and an inner rail, wherein the inner side of the outer rail is connected with a rotating rod through a first connecting shaft, a fixing ball is arranged below the upper end of the rotating rod, the inner side of the outer rail is connected with a rotating block through a second connecting shaft, the upper surface of the rotating block is provided with a second sliding groove, the right side of the rotating block is provided with a fixing block, the left end of the inner rail is provided with a fixing column, the left end of a limiting block is internally provided with a movable groove, a second torsion spring is connected between the limiting block and the connecting rod, and the left end of the connecting rod is connected with a roller wheel through a shaft. This large capacity drawer slide rail that shocks resistance can effectually make the large capacity drawer slide rail that shocks resistance carry out the auto-lock from locking structure assembly, prevents effectively that the large capacity drawer from the automatic roll-off of slide rail that shocks resistance, and can effectively improve the buffering shock attenuation effect of device, avoids the interior rail slip in-process to produce great noise because of assaulting, has increased the practicality of device.

Description

Large-capacity drawer anti-impact sliding rail self-locking structure assembly

Technical Field

The invention relates to the technical field of sliding rails, in particular to a self-locking type structure assembly of an impact-resistant sliding rail of a high-capacity drawer.

Background

The slide rail is a hardware connecting part that is fixed in on the house cabinet body, can be connected drawer or cabinet board with the cabinet body through the slide rail, is convenient for take out drawer or cabinet board from the cabinet body and pushes for the use of drawer is more convenient, and when the capacity of drawer is great, need use the large capacity drawer slide rail that shocks resistance, but the large capacity drawer on the existing market still has some not enoughly, for example:

1. most of impact-resistant sliding rails of high-capacity drawers in the current market are lack of self-locking structures, so that the high-capacity drawers are easy to slip out of a cabinet body in the using or carrying process, objects in the drawers are easy to fall, and carrying personnel are easy to hit;

2. the shock absorption is carried out to the major adoption spring structure of the slide rail that shocks resistance of large capacity drawer on the existing market, and the spring loses elasticity easily at long-term tensile in-process to the shock attenuation effect is not obvious, makes the in-process and the cabinet body collision of large capacity drawer in pushing the cabinet easily, has also produced great noise when causing the drawer to damage easily, has reduced the practicality of device.

Therefore, we propose a self-locking structure assembly of high-capacity drawer anti-impact sliding rail, so as to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a self-locking structure assembly of an impact-resistant sliding rail of a high-capacity drawer, and aims to solve the problems that the impact-resistant sliding rail of the high-capacity drawer in the prior market is short of a self-locking structure and the buffering and shock-reducing effects are not ideal in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a high-capacity drawer shock-resistant sliding rail self-locking structure assembly comprises an outer rail and an inner rail, wherein the inner side of the outer rail is connected with a rotating rod through a first connecting shaft, a fixing ball is arranged below the upper end of the rotating rod, the inner side of the outer rail is provided with a first sliding groove, the outer side of the outer rail is provided with a rubber sheet, the inner side of the outer rail is connected with a rotating block through a second connecting shaft, the upper surface of the rotating block is provided with a second sliding groove, a first torsion spring is connected between the rotating block and the outer rail, the right side of the rotating block is provided with a fixing block, the left side of the fixing block is provided with a spring sheet, the inside of the fixing block is provided with a first magnet, the outer side of the inner rail is provided with a steel ball, the outer side of the right end of the inner rail is provided with a sliding block, the left end of the inner rail is provided with a fixing column, the left side of the fixing column is provided with a second magnet, and a limiting block is arranged below the fixing column, a movable groove is formed in the left end of the limiting block, a connecting rod is connected to the inner shaft of the movable groove, a second torsion spring is connected between the limiting block and the connecting rod, a roller is connected to the left end shaft of the connecting rod, 2 grooves are symmetrically formed in the inner surface of the outer rail relative to the transverse central line of the outer rail, the bottoms of the grooves are of arc structures, the grooves and the steel balls form sliding structures, a limiting groove is formed in the outer surface of the lower end of the rotating rod, the limiting groove and the roller form a clamping structure, the rotating rod is of an arc structure, the rotating rod is not in contact with the inner wall of the outer rail, the rotating rod and the first connecting shaft form a rotating structure, the fixed ball and the second sliding groove form a clamping sliding structure, the bottom surface of the second sliding groove is of an arc structure, a shifting block is arranged on the upper surface of the right end of the rotating block, and the shifting block is parallel to the spring piece, and the distance of the right-hand member of shifting block to the fixed block is less than the length of spring leaf, rotatory piece is "L" font structure, and just rotatory piece constitutes revolution mechanic with the second connecting axle to rotatory piece constitutes block structure with the stopper, and the right-hand member lower surface of rotatory piece is the arc structure moreover.

Preferably, the fixed block is provided with a guide hole inside, the guide hole is in clearance fit with the second magnet, the magnetic poles of the second magnet and the first magnet are the same, and the second magnet and the first magnet are repulsive force.

Preferably, the slider is in a T-shaped structure, and the slider and the first sliding groove form a clamping sliding structure.

Compared with the prior art, the invention has the beneficial effects that: the high-capacity drawer anti-impact sliding rail is a self-locking structure assembly;

1. the drawer self-locking device is provided with a rotary rod, a rotary block, a spring piece and a limiting block, when the drawer is required to be pushed into the cabinet, the inner rail slides towards the left end of the outer rail along a first sliding groove through the sliding fit of the steel balls and the grooves, the limiting block is driven to push the rotary block to rotate anticlockwise through the extrusion of the cambered surface in the sliding process of the inner rail, so that the rotary block and the limiting block are clamped and self-locked, when the drawer is required to be pulled out, the inner rail is continuously pushed towards the left end, the roller pushes the rotary rod to rotate clockwise, the rotary block is pushed to rotate anticlockwise through the fixed ball in the rotating process of the rotary rod, the self-locking state of the device is relieved, meanwhile, under the action of magnetic force, the inner rail slides towards the right end, because the elastic force of the first torsion spring is greater than that of the spring piece, the spring piece can be pushed downwards by the shifting block, and the clockwise rotation speed of the rotary block can be reduced in the stress bending process of the spring piece, the structure can effectively lead the impact-resistant sliding rail of the large-capacity drawer to carry out self-locking and effectively prevent the impact-resistant sliding rail of the large-capacity drawer from automatically sliding out;

2. be provided with first magnet, second magnet and sheet rubber, when pushing the drawer in the cabinet, first magnet is close to each other with second magnet both, along with first magnet and second magnet distance between them is more and more nearly, magnetic force action is bigger and bigger, thereby play effectual cushioning effect to the internal rail, the sheet rubber can prevent that outer rail and internal rail from taking place direct collision simultaneously, can effectively improve the buffering shock attenuation effect of device through this structure, avoid the internal rail slip in-process to produce great noise because of assaulting, the practicality of device has been increased.

Drawings

FIG. 1 is a schematic structural view of a main section before self-locking according to the present invention;

FIG. 2 is a schematic view of the main cross-sectional structure of the self-locked coil of the present invention;

FIG. 3 is a side cross-sectional structural schematic view of the present invention;

FIG. 4 is a schematic view of a limiting block structure according to the present invention;

FIG. 5 is a schematic cross-sectional view of the rotating block of the present invention;

FIG. 6 is a schematic perspective view of the outer rail of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. an outer rail; 101. a groove; 2. a first connecting shaft; 3. rotating the rod; 301. a limiting groove; 4. fixing the ball; 5. a first sliding groove; 6. rotating the block; 601. shifting blocks; 7. a second connecting shaft; 8. a second sliding groove; 9. a fixed block; 901. a guide hole; 10. a spring plate; 11. a first magnet; 12. an inner rail; 13. fixing a column; 14. a second magnet; 15. a limiting block; 16. a movable groove; 17. a connecting rod; 18. a roller; 19. steel balls; 20. a slider; 21. a rubber sheet; 22. a first torsion spring; 23. a second torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a high-capacity drawer shock-resistant sliding rail self-locking structure assembly comprises an outer rail 1, a first connecting shaft 2, a rotating rod 3, a fixed ball 4, a first sliding groove 5, a rotating block 6, a second connecting shaft 7, a second sliding groove 8, a fixed block 9, a spring piece 10, a first magnet 11, an inner rail 12, a fixed column 13, a second magnet 14, a limited block 15, a movable groove 16, a connecting rod 17, a roller 18, a steel ball 19, a sliding block 20, a rubber sheet 21, a first torsion spring 22 and a second torsion spring 23, wherein the inner side of the outer rail 1 is connected with the rotating rod 3 through the first connecting shaft 2, the fixed ball 4 is arranged below the upper end of the rotating rod 3, the first sliding groove 5 is arranged on the inner side of the outer rail 1, the rubber sheet 21 is arranged on the outer side of the outer rail 1, the rotating block 6 is connected on the inner side of the outer rail 1 through the second connecting shaft 7, and the second sliding groove 8 is arranged on the upper surface of the rotating block 6, a first torsion spring 22 is connected between the rotating block 6 and the outer rail 1, a fixed block 9 is arranged on the right side of the rotating block 6, a spring piece 10 is arranged on the left side of the fixed block 9, a first magnet 11 is arranged inside the fixed block 9, a steel ball 19 is arranged outside the inner rail 12, a slider 20 is arranged outside the right end of the inner rail 12, a fixed column 13 is arranged at the left end of the inner rail 12, a second magnet 14 is arranged on the left side of the fixed column 13, a limiting block 15 is arranged below the fixed column 13, a movable groove 16 is formed in the left end of the limiting block 15, a connecting rod 17 is connected to the inner shaft of the movable groove 16, a second torsion spring 23 is connected between the limiting block 15 and the connecting rod 17, and a roller 18 is connected to the left end of the connecting rod 17;

the inner surface of the outer rail 1 is symmetrically provided with 2 grooves 101 about the transverse center line of the outer rail 1, the bottoms of the grooves 101 are of arc structures, the grooves 101 and the steel balls 19 form a sliding structure, the steel balls 19 can slide more smoothly in the grooves 101 through the autorotation of the steel balls 19, the friction force between the outer rail 1 and the inner rail 12 is reduced, so that the drawer can be drawn out more easily, and the noise in the use process of the sliding rail is reduced;

the outer surface of the lower end of the rotating rod 3 is provided with the limiting groove 301, and the limiting groove 301 and the roller 18 form a clamping structure, so that the roller 18 and the rotating rod 3 can be prevented from slipping when the rotating rod 3 rotates, and the stability of the structure is improved;

the rotating rod 3 is of an arc-shaped structure, the rotating rod 3 is not in contact with the inner wall of the outer rail 1, the rotating rod 3 and the first connecting shaft 2 form a rotating structure, and the movement of the fixed ball 4 in the second sliding groove 8 is controlled by controlling the rotating movement of the rotating rod 3, so that the self-locking control of the sliding rail can be completed;

the fixed ball 4 and the second sliding groove 8 form a clamping sliding structure, the bottom surface of the second sliding groove 8 is in an arc-shaped structure, and the rotating block 6 can be stirred to rotate under the sliding action of the fixed ball 4;

the upper surface of the right end of the rotating block 6 is provided with the shifting block 601, the shifting block 601 is parallel to the spring piece 10, the distance from the right end of the shifting block 601 to the fixed block 9 is smaller than the length of the spring piece 10, the moving speed of the rotating block 6 is reduced under the action of elasticity through the elastic bending action of the spring piece 10, longer time is provided for the sliding-out of the limiting block 15, the rotating block 6 is prevented from being clamped and limited with the limiting block 15 again, and the unlocking of the self-locking structure is prevented from being influenced;

the rotating block 6 is of an L-shaped structure, the rotating block 6 and the second connecting shaft 7 form a rotating structure, the rotating block 6 and the limiting block 15 form a clamping structure, the lower surface of the right end of the rotating block 6 is of an arc-shaped structure, the right end of the rotating block 6 can be extruded in the pushing process of the limiting block 15, the rotating block 6 can rotate anticlockwise, when the arc surfaces of the rotating block 6 and the limiting block 15 are staggered, the rotating block 6 can rotate clockwise under the action of the first torsion spring 22, and meanwhile the rotating block 6 can clamp the limiting block 15, so that the self-locking of the structure is facilitated;

the inside of the fixed block 9 is provided with a guide hole 901, the guide hole 901 is in clearance fit with the second magnet 14, the magnetic poles of the second magnet 14 and the first magnet 11 are the same, and the buffer and shock absorption effects on the sliding process of the drawer can be achieved through the repulsive force between the first magnet 11 and the second magnet 14, so that the damage of the slide rail due to overlarge impact force is avoided, and the practicability of the device is improved;

the sliding block 20 is of a T-shaped structure, and the sliding block 20 and the first sliding groove 5 form a clamping sliding structure, so that the inner rail 12 and the outer rail 1 can be effectively prevented from being separated in the use process of the sliding rail, and the stability of the framework is improved.

The working principle is as follows: when the high-capacity drawer shock-resistant sliding rail self-locking structure assembly is used, firstly, as shown in fig. 1, the outer rail 1 and the inner rail 12 are respectively installed on the surfaces of a cabinet body and a drawer, as shown in fig. 1-3 and fig. 6, the drawer is pushed, the inner rail 12 slides to the left side along the first sliding groove 5 through the sliding block 20, meanwhile, the steel ball 19 rotates, and the steel ball 19 slides in the groove 101, so that the sliding of the inner rail 12 is smoother, and along with the sliding of the inner rail 12, the first magnet 11 and the second magnet 14 are close to each other, and due to the repulsive force action of the first magnet 11 and the second magnet 14, the sliding speed of the inner rail 12 is reduced, and an effective buffering effect can be achieved;

as shown in fig. 1-2, when the limiting block 15 and the arc surface of the rotating block 6 are attached to each other, the inner rail 12 is continuously pushed, so that the limiting block 15 extrudes the right end of the rotating block 6, and the rotating block 6 rotates counterclockwise, and when the arc surfaces of the limiting block 15 and the rotating block 6 are detached from the attachment state, the rotating block 6 rotates clockwise to the original position under the action of the first torsion spring 22, and the limiting block 15 and the rotating block 6 are engaged with each other, so that the sliding rail is self-locked, and the sliding rail can be prevented from automatically sliding out;

as shown in fig. 2 and fig. 4-5, when the drawer needs to be pulled out, the inner rail 12 is pushed to slide to the left, the rubber sheet 21 can prevent the outer rail 1 and the inner rail 12 from directly colliding and contacting, so as to play a role of buffering protection and reduce noise, as shown in fig. 7, the roller 18 is attached to the limiting groove 301, the roller 18 pushes the rotating rod 3 to rotate clockwise, the connecting rod 17 also rotates, the rotating rod 3 rotates, so that the fixed ball 4 performs clamping sliding in the second sliding groove 8, the rotating block 6 is pushed by the fixed ball 4 to rotate counterclockwise, the shifting block 601 rotates to sweep the spring plate 10 in the rotating process of the rotating block 6, the shifting block 601 rotates to the upper part of the spring plate 10, the rotating block 6 and the limiting block 15 are disengaged, the self-locking state of the structure is released, and the inner rail 12 is pushed to slide to the right side under the action of magnetic force, meanwhile, the rotating block 6 rotates clockwise under the elastic force of the first torsion spring 22, and the elastic force of the first torsion spring 22 is greater than that of the spring piece 10, so that the shifting block 601 can shift the spring piece 10 downwards, the spring piece 10 can slow down the rotation speed of the rotating block 6, the slide rail is prevented from being locked again, the self-locking state of the device is prevented from being influenced, and a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a large capacity drawer slide rail of shocking resistance is from locking-type structure assembly, includes outer rail (1) and inner rail (12), its characterized in that: the inner side of the outer rail (1) is connected with a rotary rod (3) through a first connecting shaft (2), a fixing ball (4) is arranged below the upper end of the rotary rod (3), a first sliding groove (5) is formed in the inner side of the outer rail (1), a rubber sheet (21) is arranged on the outer side of the outer rail (1), the inner side of the outer rail (1) is connected with a rotary block (6) through a second connecting shaft (7), a second sliding groove (8) is formed in the upper surface of the rotary block (6), a first torsion spring (22) is connected between the rotary block (6) and the outer rail (1), a fixed block (9) is arranged on the right side of the rotary block (6), a spring sheet (10) is arranged on the left side of the fixed block (9), a first magnet (11) is arranged inside the fixed block (9), and a steel ball (19) is arranged on the outer side of the inner rail (12), a sliding block (20) is arranged on the outer side of the right end of the inner rail (12), a fixed column (13) is arranged at the left end of the inner rail (12), a second magnet (14) is arranged on the left side of the fixed column (13), a limiting block (15) is arranged below the fixed column (13), a movable groove (16) is formed in the left end of the limiting block (15), a connecting rod (17) is connected to the inner shaft of the movable groove (16), a second torsion spring (23) is connected between the limiting block (15) and the connecting rod (17), a roller (18) is connected to the left end shaft of the connecting rod (17), 2 grooves (101) are symmetrically formed in the inner surface of the outer rail (1) relative to the transverse central line of the outer rail (1), the bottoms of the grooves (101) are of arc-shaped structures, the grooves (101) and steel balls (19) form a sliding structure, and a limiting groove (301) is formed in the outer surface of the lower end of the rotating rod (3), the limiting groove (301) and the roller (18) form a clamping structure, the rotating rod (3) is of an arc-shaped structure, the rotating rod (3) is not in contact with the inner wall of the outer rail (1), the rotating rod (3) and the first connecting shaft (2) form a rotating structure, the fixed ball (4) and the second sliding groove (8) form a clamping sliding structure, the bottom surface of the second sliding groove (8) is of an arc-shaped structure, the upper surface of the right end of the rotating block (6) is provided with a shifting block (601), the shifting block (601) is parallel to the spring piece (10), the distance from the right end of the shifting block (601) to the fixed block (9) is smaller than the length of the spring piece (10), the rotating block (6) is of an L-shaped structure, the rotating block (6) and the second connecting shaft (7) form a rotating structure, and the rotating block (6) and the limiting block (15) form a clamping structure, and the lower surface of the right end of the rotating block (6) is of an arc-shaped structure.

2. The high-capacity drawer impact-resistant sliding rail self-locking structure assembly as claimed in claim 1, wherein: the inside of the fixed block (9) is provided with a guide hole (901), the guide hole (901) is in clearance fit with the second magnet (14), and the magnetic poles of the second magnet (14) and the first magnet (11) are the same.

3. The high-capacity drawer impact-resistant sliding rail self-locking structure assembly as claimed in claim 1, wherein: the sliding block (20) is of a T-shaped structure, and the sliding block (20) and the first sliding groove (5) form a clamping sliding structure.