Push-pull structure of bookcase

By installing mounting blocks and rollers on the sliding door, and utilizing the combination of limit blocks and compression springs, the moving speed of the sliding door is reduced, thus solving the problem of violent collisions between the sliding door and the inner wall of the bookcase and protecting the bookcase structure.

CN223781343UActive Publication Date: 2026-01-09CHANGCHUN CHONGSHAN OFFICE EQUIP CO LTD
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Patent Information

Application Number
CN202520184392.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-09
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

The sliding cabinet door collided violently with the inner wall of the bookcase during rapid movement, causing damage to the bookcase.

Method used

Mounting mechanisms, including mounting blocks and rollers, are installed at the top and bottom of the sliding door. Combined with a deceleration mechanism, the sliding door's moving speed is reduced by the cooperation of limit blocks and compression springs, thus minimizing collisions with the inner wall of the bookcase.

Benefits of technology

It effectively reduces the moving speed of the sliding door, minimizes collisions with the inner wall of the bookcase, and protects the structural integrity of the bookcase.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223781343U_ABST
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Abstract

The utility model discloses a bookcase push-and-pull structure which comprises a bookcase body, a plurality of sliding doors are arranged on the front face of an inner cavity of the bookcase body, installation mechanisms are arranged at the top and the bottom of each sliding door, each installation mechanism comprises a plurality of installation blocks, and installation grooves are formed in the top and the bottom of each sliding door. The two ends of an inner cavity of the mounting groove are rotationally connected with rollers in a penetrating mode. A speed reducing mechanism is arranged on one side of the top of the inner wall of the bookcase body. The sliding door is moved between the two mounting blocks and drives the rolling wheels to move together, so that the tops of the rolling wheels extrude the limiting blocks upwards, the limiting blocks slide upwards to enter the inner cavities of the movable grooves and drive the extrusion blocks to compress the deformation compression springs upwards, the limiting blocks hinder the movement of the sliding door, the movement speed of the sliding door is reduced, and the service life of the sliding door is prolonged. And by means of the elastic effect of a compressed spring, impact on a limiting block is weakened, the sliding door is prevented from violently colliding with the bookcase body, and damage to the bookcase is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to furniture field, especially a kind of push-pull structure of bookcase. BACKGROUND

[0002] Bookcase is a kind of furniture for storing books, by putting books into the interior of bookcase, then closing the cabinet door in front of bookcase, storing and protecting books, the cabinet door of common bookcase is mostly rotating opening and closing and push-pull opening and closing two ways.

[0003] When using push-pull type cabinet door bookcase, by horizontally pushing and pulling cabinet door, opening and closing cabinet door, with the movement of cabinet door, the side of push-pull cabinet door collides with the side of bookcase inner wall, and when cabinet door is pushed and pulled fast, violent collision occurs between cabinet door and bookcase inner wall, which can easily cause damage to bookcase and affect its normal use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of push-pull structure of bookcase to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of push-pull structure of bookcase, including bookcase main body, the front of the inner chamber of bookcase main body is provided with multiple push-pull doors, for closing the front of bookcase main body;

[0006] The top and bottom of the push-pull door are provided with mounting mechanism, for stable movement of push-pull door;

[0007] The mounting mechanism includes multiple mounting blocks, multiple mounting blocks are respectively arranged at the top and bottom of the inner chamber of bookcase main body, the top and bottom of push-pull door are respectively arranged between adjacent two mounting blocks, the top and bottom of push-pull door are provided with mounting slot, and the both ends of the inner chamber of mounting slot are rotatably connected with roller;

[0008] One side of the top of the inner wall of bookcase main body is provided with deceleration mechanism, for reducing the moving speed of push-pull door.

[0009] Preferably, the deceleration mechanism includes multiple limit blocks, the limit blocks are arranged between adjacent two mounting blocks, and the top of the limit block is slidably connected with the top of the inner wall of bookcase main body.

[0010] Preferably, multiple movable slots are equidistantly arranged on the both sides of the top of the inner wall of bookcase main body, the inner chamber of movable slot is slidably connected with the top of limit block, and the top of the inner chamber of movable slot is provided with compression spring.

[0011] Preferably, a pressing block is fixedly connected to the top of the limiting block, the outer wall of the pressing block is in contact with the inner wall of the movable groove, and the upper surface of the pressing block is in contact with the bottom end of the compression spring.

[0012] Preferably, the inner wall of the bookcase body is fixedly connected with multiple partitions at equal intervals, and rubber pads are fixedly connected to both sides of the sliding door.

[0013] Preferably, the upper surfaces of a plurality of the mounting blocks are fixedly connected to the top of the inner wall of the bookcase body, and the lower surfaces of another plurality of the mounting blocks are fixedly connected to the bottom of the inner wall of the bookcase body.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] This invention utilizes a combination of mounting blocks, a sliding door, rollers, limiting blocks, and compression springs. By moving the sliding door between two mounting blocks, the sliding door drives the rollers to move together. This causes the top of the rollers to press against the bottom of multiple limiting blocks on one side. The limiting blocks slide upward into the inner cavity of the movable groove, causing the pressing blocks to compress and deform the compression springs. The limiting blocks impede the movement of the sliding door, reducing its speed. Furthermore, the elasticity of the compression springs weakens the impact on the limiting blocks, preventing the sliding door from violently colliding with the bookcase body and minimizing damage to the bookcase. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a side sectional view of the main body of the bookcase of this utility model.

[0018] Figure 3 This is a front sectional view of the main body of the bookcase of this utility model.

[0019] Figure 4 This utility model Figure 2 A magnified structural diagram at point A.

[0020] Figure 5 This utility model Figure 3 A magnified structural diagram at point B.

[0021] In the diagram: 1. Bookcase body; 2. Sliding door; 3. Mounting mechanism; 31. Mounting block; 32. Mounting groove; 33. Roller; 4. Deceleration mechanism; 41. Limiting block; 42. Movable groove; 43. Compression spring; 44. Pressing block; 5. Shelf. Detailed Implementation

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] The utility model provides a kind of push-pull structure of bookcase as Figures 1-5 As shown in a kind of bookcase's push-pull structure, including bookcase main body 1, bookcase main body 1 is used to place books, the front of the inner chamber of bookcase main body 1 is provided with multiple sliding doors 2, for the front of bookcase main body 1 is closed, two sliding doors 2 are staggered and set in the front position of the inner chamber of bookcase main body 1, move in the inner chamber of bookcase main body 1;

[0024] The top and bottom of sliding door 2 are provided with mounting mechanism 3, for the stable movement of sliding door 2, guarantee the stability of sliding door 2;

[0025] Mounting mechanism 3 includes multiple mounting blocks 31, mounting block 31 is long strip and is set, for the installation of sliding door 2, multiple mounting blocks 31 are respectively set in the top and bottom of the inner chamber of bookcase main body 1, the top and bottom of the inner wall of bookcase main body 1 are all fixedly connected with three mounting blocks 31, the top and bottom of sliding door 2 are respectively set between adjacent two mounting blocks 31, two sliding doors 2 are staggered and set between three mounting blocks 31, sliding door 2 slides between adjacent two mounting blocks 31, guarantee the stable movement of sliding door 2 in horizontal direction, the top and bottom of sliding door 2 are all provided with mounting groove 32, mounting groove 32 is C-shaped and is set, for installing roller 33, both ends of the inner chamber of mounting groove 32 are all rotatably connected with roller 33, the outer wall of roller 33 is attached to the top and bottom of the inner wall of bookcase main body 1, with the movement of sliding door 2, drive roller 33 to roll on the inner wall of bookcase main body 1, reduce the frictional resistance that top surface and lower surface of sliding door 2 receive, facilitate the push-pull movement of sliding door 2;

[0026] One side of the top of the inner wall of bookcase main body 1 is provided with speed reduction mechanism 4, for reducing the moving speed of sliding door 2, weakening the collision of one side of sliding door 2 and both sides of the inner wall of bookcase main body 1;

[0027] The speed reduction mechanism 4 comprises a plurality of limiting blocks 41, the bottom of the limiting block 41 is provided in a hemispherical shape, the roller 33 is arranged between the bottom of the adjacent two limiting blocks 41, and the movement of the roller 33 is blocked; the limiting block 41 is arranged between the adjacent two mounting blocks 31, and a plurality of limiting blocks 41 are arranged on both sides of the top of the inner wall of the bookcase body 1; the top of the limiting block 41 is slidably connected with the top of the inner wall of the bookcase body 1; by moving the sliding door 2, the top of one of the rollers 33 is pressed against the bottom of the limiting block 41, so that the limiting block 41 slides upward, and the limiting block 41 slows down the movement of the sliding door 2;

[0028] A plurality of movable grooves 42 are equidistantly arranged on both sides of the top of the inner wall of the bookcase body 1, and the movable groove 42 is arranged in a convex shape and is used for mounting the limiting block 41 and the compression spring 43; the inner cavity of the movable groove 42 is slidably connected with the top of the limiting block 41; when the roller 33 presses the limiting block 41 upward, the limiting block 41 slides upward into the inner cavity of the movable groove 42; the top of the inner cavity of the movable groove 42 is provided with the compression spring 43, and the compression spring 43 is used for pushing the limiting block 41 downward, and the elasticity of the compression spring 43 is used for reducing the impact on the limiting block 41;

[0029] The top end of the limiting block 41 is fixedly connected with the extrusion block 44, the extrusion block 44 moves with the limiting block 41, is used for extruding and deforming the compression spring 43, and limits the movement of the limiting block 41, so as to prevent the limiting block 41 from being separated from the inner cavity of the movable groove 42; the outer wall of the extrusion block 44 is attached to the inner wall of the movable groove 42, and the upper surface of the extrusion block 44 is attached to the bottom end of the compression spring 43;

[0030] A plurality of partitions 5 are equidistantly fixedly connected to the inner wall of the bookcase body 1, and the partitions 5 are used for placing and carrying data; the two sides of the sliding door 2 are fixedly connected with rubber pads, and the two sides of the sliding door 2 are in contact with the two sides of the inner wall of the bookcase body 1 through the rubber pads; the elasticity of the rubber pads is used for reducing the impact between the sliding door 2 and the bookcase body 1;

[0031] The upper surfaces of the plurality of mounting blocks 31 are fixedly connected with the top of the inner wall of the bookcase body 1, and the lower surfaces of the other plurality of mounting blocks 31 are fixedly connected with the bottom of the inner wall of the bookcase body 1.

[0032] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A bookcase push-pull structure, comprising: a bookcase body (1), the front of the inner cavity of the bookcase body (1) is provided with a plurality of push-pull doors (2) for closing the front of the bookcase body (1); characterized in that: the top and bottom of the push-pull door (2) are provided with mounting mechanisms (3) for stable movement of the push-pull door (2); the mounting mechanism (3) comprises a plurality of mounting blocks (31), and the plurality of mounting blocks (31) are respectively arranged at the top and bottom of the inner cavity of the bookcase body (1), the top and bottom of the push-pull door (2) are respectively arranged between two adjacent mounting blocks (31), the top and bottom of the push-pull door (2) are provided with mounting grooves (32), and the inner cavity of the mounting groove (32) is rotatably connected with a roller (33) at both ends; a speed reduction mechanism (4) is arranged on one side of the top of the inner wall of the bookcase body (1) for reducing the moving speed of the push-pull door (2).

2. The bookcase push-pull structure according to claim 1, wherein The speed reduction mechanism (4) comprises a plurality of limiting blocks (41), the limiting blocks (41) are arranged between two adjacent mounting blocks (31), and the top of the limiting block (41) is slidably connected with the top of the inner wall of the bookcase body (1).

3. The bookcase push-pull structure according to claim 2, wherein A plurality of movable grooves (42) are equidistantly arranged on both sides of the top of the inner wall of the bookcase body (1), the inner cavity of the movable groove (42) is slidably connected with the top of the limiting block (41), and the top of the inner cavity of the movable groove (42) is provided with a compression spring (43).

4. The bookcase push-pull structure according to claim 3, wherein The top end of the limiting block (41) is fixedly connected with an extrusion block (44), the outer wall of the extrusion block (44) is attached to the inner wall of the movable groove (42), and the upper surface of the extrusion block (44) is attached to the bottom end of the compression spring (43).

5. The bookcase according to claim 1, wherein The inner wall of the bookcase body (1) is equidistantly fixedly connected with a plurality of partitions (5), and the two sides of the push-pull door (2) are fixedly connected with rubber pads.

6. The bookcase push-pull structure according to claim 1, wherein The upper surfaces of the plurality of mounting blocks (31) are fixedly connected with the top of the inner wall of the bookcase body (1), and the lower surfaces of the other plurality of mounting blocks (31) are fixedly connected with the bottom of the inner wall of the bookcase body (1).