CN213128688U

CN213128688U - Three-section linkage drawer sliding rail assembly

Info

Publication number: CN213128688U
Application number: CN202021091559.7U
Authority: CN
Inventors: 褚志锋
Original assignee: Haining Yicheng Hardware Co ltd
Current assignee: Haining Yicheng Hardware Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-05-07
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a drawer slide rail set spare of three section linkage, including fixed rail, well rail, movable rail, go up holder and lower holder, well rail is detained on fixed rail, and lower holder erects between well rail and the fixed rail, and the movable rail is detained on well rail, goes up the holder and locates between movable rail and the well rail, fixed rail bottom surface welded fastening has the backup pad that a level set up, fixedly connected with lower rack in the backup pad, the movable rail side is fixed with a vertical board, and vertical dull and stereotyped lower extreme has the rack, and well rail one side has the horizontal mounting panel of buckling, is equipped with a free rotation's pivot on the horizontal mounting panel, and the pivot outer end is connected with the gear, goes up rack and lower rack and all with gear engagement. The movable rail is provided with the upper rack and the lower rack on the fixed rail, the upper rack and the lower rack are linked through the gear, the direct linkage of the movable rail and the fixed rail is realized, the reaction of the movable rail is faster and more accurate, the movable rail is more smooth and stable when moving, and the drawer is pulled to have better hand feeling.

Description

Three-section linkage drawer sliding rail assembly

Technical Field

The utility model belongs to the technical field of the drawer slide rail, a drawer slide rail set spare of three section linkage is related to.

Background

The three-section synchronous sliding rail is a three-section drawer guide rail consisting of an upper rail, a middle rail and a lower rail, the guide rail is supported and slid through balls or rollers, the balls and the rollers are restrained by a retainer, and the three-section guide rail synchronously contracts when moving, so that the hand feeling when the drawer is pushed and pulled is improved, and the drawer can slide in and out more smoothly, naturally and stably.

For example, the invention patent with patent number 201310015288.5 published in the chinese patent discloses a balance stabilization mechanism of a drawer slide rail, which includes a fixed slide rail and a movable slide rail that are slidably connected, and a middle slide rail is disposed between the fixed slide rail and the movable slide rail, and the three are slidably connected to each other, wherein the middle slide rail is slidably connected to the movable slide rail through a first holder, and the middle slide rail is slidably connected to the fixed slide rail through a second holder, and is characterized in that a double-linkage gear set is disposed on the middle slide rail, and two sets of gears of the double-linkage gear set are respectively engaged with a first rack disposed on the first holder and a second rack disposed on the second holder, so that the fixed slide rail, the movable slide rail and the middle slide rail slide each other; the double-linkage gear set is integrally arranged or is fixedly integrated after being arranged in a split mode, and then is embedded on the middle sliding rail.

The rack is arranged on the retainer, the gear is positioned on the middle slide rail, and the retainer drives the movable slide rail to link. However, the linkage mode has a delay property, and the movable slide rail can be driven to move together only by locking the movable slide rail after the retainer slides for a certain position, so that the drawer is not smooth enough when moving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a drawer slide rail set spare of three section linkage, the movable rail passes through the gear linkage with the fixed rail for it is more smooth steady when removing to move the rail, and the pulling drawer is felt better.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a drawer slide rail assembly of three section linkage, includes fixed rail, well rail, movable rail, goes up holder and lower holder, its characterized in that, well rail is detained on the fixed rail, and lower holder is located between well rail and the fixed rail, and the movable rail is detained on well rail, goes up the holder and locates between movable rail and the well rail, fixed rail bottom surface welded fastening has the backup pad that a level set up, and fixedly connected with rack down in the backup pad, the movable rail side is fixed with a vertical board, and vertical dull and stereotyped lower extreme has last rack, and well rail one side has the horizontal mounting board of buckling, is equipped with a free rotation's pivot on the horizontal mounting board, and the pivot outer end is connected with the gear, goes up rack and lower rack and all with gear engagement.

Furthermore, a square window is formed at the front end of the movable rail. The adjusting handle is fixed on the bottom plate of the drawer, and the bolt of the adjusting handle is inserted into the square window to lock the drawer and the movable rail.

Furthermore, a tail hook clamped into the drawer back plate is fixedly welded at the tail end of the movable rail.

Furthermore, a damper is fixed on the fixed rail.

Further, the attenuator is including inlay damping casing, slider and the cushion cylinder on the fixed rail, the mounting groove that has the confession cushion cylinder embedding is opened to damping casing up end, and the tip joint of piston rod of cushion cylinder is on the slider, and it has the draw-in groove to open on the slider, and the welding has the driving lever that can block into or break away from to rotate draw the draw-in groove on the piece on the movable rail.

Compared with the prior art, the drawer slide rail component with three-section linkage has the following advantages:

1. the movable rail is provided with an upper rack, the fixed rail is provided with a lower rack, the upper rack and the lower rack are linked through a gear, the direct linkage of the movable rail and the fixed rail is realized, and the movable rail can react more quickly and accurately.

2. The rack and the gear are arranged in a meshed linkage manner, so that the movable rail is smoother and more stable when moving, and the drawer is pulled to have better hand feeling.

3. Can be directly installed on the existing slide rail assembly without changing the original structure and mould.

Drawings

FIG. 1 is a schematic structural view of the present three-section linkage drawer slide assembly.

FIG. 2 is a front view of the present three-section linked drawer slide assembly.

Fig. 3 is a schematic structural view of the middle rail.

Fig. 4 is a plan view of the fixed rail.

In the figure, 1, a fixed rail; 2. a middle rail; 3. a movable rail; 4. an upper retainer; 5. a lower retainer; 6. a support plate; 7. a lower rack; 8. a vertical plate; 9. an upper rack; 10. a horizontal mounting plate; 11. a gear; 12. a square window; 13. a tail hook; 14. a damping housing; 15. a slider; 16. buffer cylinder.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, this three-section linkage drawer slide rail assembly includes a fixed rail 1, a middle rail 2, a movable rail 3, an upper retainer 4 and a lower retainer 5, wherein the middle rail 2 is buckled on the fixed rail 1, the lower retainer 5 is arranged between the middle rail 2 and the fixed rail 1, the movable rail 3 is buckled on the middle rail 2, the upper retainer 4 is arranged between the movable rail 3 and the middle rail 2, a horizontally arranged support plate 6 is welded and fixed on the bottom surface of the fixed rail 1, a lower rack 7 is fixedly connected on the support plate 6, a vertical plate 8 is fixed on the side surface of the movable rail 3, an upper rack 9 is arranged at the lower end of the vertical plate, a horizontal mounting plate 10 with a bend is arranged on one side of the middle rail 2, a free rotation rotating shaft is arranged on the horizontal mounting plate 10, the outer end of the rotating shaft is connected with a gear 11, and the upper rack.

The front end of the movable rail 3 is provided with a square window 12. The adjusting handle is fixed on the bottom plate of the drawer, and the bolt of the adjusting handle is inserted into the square window 12 to realize the locking of the drawer and the movable rail 3. And a tail hook 13 clamped into the drawer back plate is fixedly welded at the tail end of the movable rail 3.

As shown in fig. 4, a damper is fixed on the fixed rail 1, the damper includes a damping housing 14, a slider 15 and a buffer cylinder 16, which are clamped on the fixed rail 1, an installation groove for embedding the buffer cylinder 16 is opened on the upper end surface of the damping housing 14, the end part of a piston rod of the buffer cylinder 16 is clamped on the slider 15, a clamping groove is opened on the slider 15, and a shift lever which can be clamped into or separated from the clamping groove on the rotary pull block is welded on the movable rail 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a drawer slide rail assembly of three section linkage, includes fixed rail, well rail, movable rail, goes up holder and lower holder, its characterized in that, well rail is detained on the fixed rail, and lower holder is located between well rail and the fixed rail, and the movable rail is detained on well rail, goes up the holder and locates between movable rail and the well rail, fixed rail bottom surface welded fastening has the backup pad that a level set up, and fixedly connected with rack down in the backup pad, the movable rail side is fixed with a vertical board, and vertical dull and stereotyped lower extreme has last rack, and well rail one side has the horizontal mounting board of buckling, is equipped with a free rotation's pivot on the horizontal mounting board, and the pivot outer end is connected with the gear, goes up rack and lower rack and all with gear engagement.

2. The three-section linkage drawer slide assembly of claim 1, wherein the front end of the movable rail is provided with a square window.

3. The three-section linkage drawer slide rail assembly according to claim 1, wherein a tail hook clamped into a drawer back plate is welded and fixed at the tail end of the movable rail.

4. The three-section linkage drawer slide assembly of claim 1, wherein a damper is fixed to the fixed rail.

5. The three-section linkage drawer slide rail assembly according to claim 4, wherein the damper comprises a damping shell, a sliding block and a buffer oil cylinder, the damping shell is clamped on the fixed rail, an installation groove for the buffer oil cylinder to be embedded is formed in the upper end face of the damping shell, the end portion of a piston rod of the buffer oil cylinder is clamped on the sliding block, a clamping groove is formed in the sliding block, and a shifting rod capable of being clamped into or separated from the clamping groove in the rotary pull block is welded on the movable rail.