Lifting table with extensible table top

Abstract

The utility model relates to the technical field of furniture, and provides a lifting table with an extensible table top, which comprises a main body, sliding grooves are symmetrically formed in two sides of the upper surface of the main body, sliding rods are fixedly arranged in the sliding grooves, second table plates are symmetrically and slidably arranged on the surfaces of the sliding rods, reinforcing mechanisms are arranged on the lower surfaces of the second table plates, and the reinforcing mechanisms comprise clamping grooves. The lifting table comprises a first table board and a second table board, clamping grooves are formed in the lower surface of the first table board, the clamping grooves are symmetrically formed in the two sides of the lower surface of the second table board, rotating shafts are rotationally arranged on the inner walls of the clamping grooves, and telescopic assemblies are fixedly arranged on the outer side walls of the rotating shafts. And the telescopic assemblies are stretched to enable the clamping blocks to be clamped into the mounting blocks, and the second table plates on the two sides are stably supported under the mutual cooperation of the rotating shafts, the telescopic assemblies, the clamping blocks and the mounting blocks, so that the bearing capacity of the second table plates is enhanced, and the practicability and safety of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field especially relates to a kind of extendable desktop lifting table. BACKGROUND

[0002] As the most common furniture, table is widely used in various aspects of life. However, due to the different purposes of using table, the design of table structure has also undergone a series of changes. Among them, the table with extendable or retractable desktop is widely promoted and used because it has the performance of meeting various needs, simple use and convenient carrying.

[0003] For example, the publication number CN215685519U discloses an extendable table, which includes a first table body and a second table body. The first table body includes a first frame, a first desktop, and a first table leg. The second table body includes a second frame, a second desktop fixed on the second frame, and a second table leg. The first desktop is connected to the first frame in a liftable manner. The first frame and the second frame are slidingly matched. When the first frame slides to a first preset position and the first desktop descends to a first preset height, the first desktop is hidden below the second desktop. When the first frame slides to a second preset position and the first desktop rises to a second preset height, the first desktop and the second desktop are not overlapped in the vertical direction and have the same height. The extendable desktop of the table, i.e., the first table body, has a table leg, which has great supporting force and stable structure.

[0004] However, the design of the extendable desktop in the prior art increases the complexity of the table structure, which may cause the stability of the table to decrease after extension. Especially in the case of heavy load, the table may shake or tilt, thereby limiting the practicality and safety of the device to a certain extent. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the problem of shaking or tilting of the table in the prior art under heavy load.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lifting table with an extendable desktop includes a main body. Two sides of the upper surface of the main body are symmetrically provided with sliding grooves. A sliding rod is fixedly arranged inside the sliding groove. A second table plate is symmetrically and slidingly arranged on the surface of the sliding rod. A reinforcing mechanism is arranged on the lower surface of the second table plate. The reinforcing mechanism includes a clamping groove, which is symmetrically arranged on both sides of the lower surface of the second table plate. A rotating shaft is rotatably arranged on the inner wall of the clamping groove. An extension assembly is fixedly arranged on the outer side wall of the rotating shaft. A clamping block is fixedly arranged on the end of the extension assembly. Two sides of the outer surface of the main body are symmetrically and fixedly provided with mounting blocks. The clamping block is clamped with the mounting block. A recess is arranged on the upper surface of the second table plate.

[0007] As a preferred implementation, one side of the outer surface of the main body is provided with a control panel, and a plurality of electric telescopic rods are fixedly arranged in the inner cavity of the upper surface of the main body, and the output end of the electric telescopic rod is drivingly provided with a first table board, and the control panel is electrically connected with the electric telescopic rod.

[0008] As a preferred implementation, the first table board is symmetrically hingedly arranged on both sides of the upper surface of the first table board, and a connecting piece is fixedly arranged on one side of the lower surface of the connecting piece.

[0009] As a preferred implementation, the outer side wall of the main body is symmetrically provided with a mounting groove near one end of the mounting block, and a limiting mechanism is arranged in the inner cavity of the mounting groove, and the limiting mechanism comprises a guide rod, and the guide rod is fixedly arranged in the inner cavity of the mounting groove.

[0010] As a preferred implementation, the surface of the guide rod is slidingly provided with an L-shaped block, and the upper surface of the L-shaped block is fixedly connected with the inner top wall of the mounting groove through a return spring.

[0011] As a preferred implementation, the outer surface of the L-shaped block is fixedly provided with a pressing block, and the inner sides of the two groups of L-shaped blocks are fixedly connected through a connecting rod.

[0012] As a preferred implementation, the lower surface of the main body is provided with a limiting electric push rod at each corner.

[0013] Compared with the prior art, the advantages and positive effects of the utility model lie in:

[0014] The utility model discloses a reinforcing mechanism is set up, when the lifting table is unfolded, the telescopic assembly, the clamping block are deflected downward from the clamping groove under the action of the pivot, and the clamping block is clamped to the mounting block by stretching the telescopic assembly, and the second table board on both sides is stably supported under the mutual cooperation of the pivot, the telescopic assembly, the clamping block and the mounting block, the load capacity of the second table board is enhanced, and the practicality and safety of the device are improved.

[0015] The utility model discloses a limiting mechanism is set up, when the lifting seat is unfolded and used, the pressing block is pressed down, the pressing block drives the L-shaped block, the connecting rod moves down, the L-shaped block slides along the guide rod in the mounting groove and compresses the return spring, and the L-shaped block removes the limiting of the second table board, so that the second table board expands to both sides, when the lifting table is not used, the second table board resets and folds, and the return spring resets and drives the L-shaped block to move up and limit the second table board, so that the second table board does not slide and dislocate, and the practicality and safety of the device are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of lifting table of expandable desktop of three-dimensional structure schematic diagram for the utility model.

[0017] Figure 2 The utility model provides a kind of expandable desktop of lifting table of Figure 1 The structure enlarged schematic view in middle A place;

[0018] Figure 3 The utility model provides a kind of expandable desktop of lifting table of perspective structure right section schematic view;

[0019] Figure 4 The utility model provides a kind of expandable desktop of lifting table of Figure 3 The structure enlarged schematic view in middle B place;

[0020] Legend:

[0021] 1, main body;2, limit electric push rod;3, control panel;4, electric telescopic rod;5, first table board;6, connecting piece;7, side plate;8, slide bar;9, second table board;10, clamping groove;11, pivot;12, telescopic component;13, clamping block;14, mounting block;15, installation slot;16, guide rod;17, L type block;18, reset spring;19, pressing block;20, connecting rod;21, recess. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of extensible desktop lifting table, including main body 1, the two sides of the upper surface of main body 1 are symmetrically provided with sliding slot, sliding slot is internally fixed with slide 8, the surface of slide 8 is symmetrically provided with the second table board 9 of sliding, the lower surface of second table board 9 is provided with reinforcing mechanism, and reinforcing mechanism includes slot 10, slot 10 is symmetrically provided in the two sides of the lower surface of second table board 9, the inner wall of slot 10 is rotatably provided with pivot 11, the outer side wall of pivot 11 is fixed with telescopic component 12, telescopic component 12 is fixed with clamping block 13 in end portion, the two sides of the outer surface of main body 1 are symmetrically fixed with mounting block 14, and clamping block 13 is connected with mounting block 14, the upper surface of second table board 9 is provided with recess 21, when lifting table is unfolded, telescopic component 12, clamping block 13 are deflected downward from slot 10 under the action of pivot 11, and clamping block 13 is connected to mounting block 14 by stretching telescopic component 12, and the two sides of second table board 9 are stably supported under the cooperation of pivot 11, telescopic component 12, clamping block 13 and mounting block 14, the bearing capacity of second table board 9 is enhanced, and the practicality and safety of device are improved.

[0024] As Figures 1-4 Indicated, the side of the outer surface of main body 1 is provided with control panel 3, and the inner cavity of the upper surface of main body 1 is fixed with a plurality of electric telescopic rods 4, and the output end of electric telescopic rod 4 is driven to be provided with first table board 5, and control panel 3 is electrically connected with electric telescopic rod 4, and the two sides of the upper surface of first table board 5 are symmetrically hingedly provided with connecting piece 6, and the side of the lower surface of connecting piece 6 is fixed with side plate 7, control panel 3 starts electric telescopic rod 4, and electric telescopic rod 4 drives first table board 5 to move up to be in horizontal position with second table board 9, and turns over side plate 7 to the outside, and side plate 7 turns over under the action of connecting piece 6, so that first table board 5, side plate 7 and second table board 9 are in the same horizontal plane, so that the effect of desktop expansion is achieved.

[0025] As Figures 1-4As shown, the outer side wall of the main body 1 is symmetrically provided with a mounting groove 15 at one end close to the mounting block 14, a limiting mechanism is arranged in the inner cavity of the mounting groove 15, the limiting mechanism comprises a guide rod 16 fixedly arranged in the inner cavity of the mounting groove 15, an L-shaped block 17 is slidably arranged on the surface of the guide rod 16, the upper surface of the L-shaped block 17 is fixedly connected with the inner top wall of the mounting groove 15 through a return spring 18, a pressing block 19 is fixedly arranged on the outer surface of the L-shaped block 17, the inner sides of the two groups of L-shaped blocks 17 are fixedly connected through a connecting rod 20, the lower surface of the main body 1 is provided with a limiting electric push rod 2 at each corner, when the lifting seat is unfolded for use, the pressing block 19 is pressed down, the pressing block 19 drives the L-shaped block 17 and the connecting rod 20 to move downward, the L-shaped block 17 is guided to slide in the mounting groove 15 along the guide rod 16 and compresses the return spring 18, so that the L-shaped block 17 releases the limiting of the second table plate 9, and the second table plate 9 is expanded to both sides, when the lifting table is not used, after the second table plate 9 is reset and folded, the return spring 18 is reset to drive the L-shaped block 17 to move upward to limit the second table plate 9, so that the second table plate 9 is prevented from sliding and being misaligned, and the practicability and safety of the device are further improved.

[0026] Working principle: when in use, the pressing block 19 is pressed down, the pressing block 19 drives the L-shaped block 17 and the connecting rod 20 to move downward, the L-shaped block 17 is guided to slide in the mounting groove 15 along the guide rod 16 and compresses the return spring 18, so that the L-shaped block 17 releases the limiting of the second table plate 9, and the second table plate 9 is slid along the sliding rod 8 and expanded to both sides, at this time, the electric telescopic rod 4 is started through the control panel 3, the electric telescopic rod 4 drives the first table plate 5 to move upward to be in a horizontal position with the second table plate 9, and the lateral plate 7 is turned outward, the first table plate 5, the lateral plate 7 and the second table plate 9 are in the same horizontal plane under the action of the connecting piece 6, the telescopic assembly 12 and the clamping block 13 are moved out of the clamping groove 10 and deflected downward under the action of the rotating shaft 11, the clamping block 13 is clamped into the mounting block 14 by stretching the telescopic assembly 12, the second table plates 9 on both sides are stably supported under the cooperation of the rotating shaft 11, the telescopic assembly 12, the clamping block 13 and the mounting block 14, and the bearing capacity of the second table plate 9 is enhanced, when the lifting table is not used, after the second table plate 9 is reset and folded, the return spring 18 is reset to drive the L-shaped block 17 to move upward to limit the second table plate 9, so that the second table plate 9 is prevented from sliding and being misaligned, the overall structure is simple, convenient to use, and suitable for large-scale promotion.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A height adjustable desk with an extendable desktop comprising a main body (1), characterized in that: The upper surface of the body (1) is symmetrically provided with a chute, the inside of the chute is fixedly provided with a sliding rod (8), the surface of the sliding rod (8) is symmetrically and slidably provided with a second table board (9), the lower surface of the second table board (9) is provided with a reinforcing mechanism, the reinforcing mechanism comprises a clamping groove (10), the clamping groove (10) is symmetrically provided on the both sides of the lower surface of the second table board (9), the inner wall of the clamping groove (10) is rotatably provided with a rotating shaft (11), the outer side wall of the rotating shaft (11) is fixedly provided with an extension assembly (12), the end of the extension assembly (12) is fixedly provided with a clamping block (13), the both sides of the outer surface of the body (1) are symmetrically and fixedly provided with a mounting block (14), and the clamping block (13) is clamped with the mounting block (14), and the upper surface of the second table board (9) is provided with a groove (21).

2. The lift table with an expandable desktop according to claim 1, wherein: The outer surface of the body (1) is provided with a control panel (3), and the inner cavity of the upper surface of the body (1) is fixedly provided with a plurality of electric telescopic rods (4), the output end of the electric telescopic rod (4) is drivingly provided with a first table board (5), and the control panel (3) is electrically connected with the electric telescopic rod (4).

3. The lift table with an expandable desktop according to claim 2, wherein: The both sides of the upper surface of the first table board (5) are symmetrically and hingedly provided with a connecting piece (6), one side of the lower surface of the connecting piece (6) is fixedly provided with a side plate (7).

4. The lift table with an expandable desktop according to claim 1, wherein: The outer side wall of the body (1) is symmetrically provided with a mounting groove (15) near one end of the mounting block (14), the inner cavity of the mounting groove (15) is provided with a limiting mechanism, the limiting mechanism comprises a guide rod (16), and the guide rod (16) is fixedly arranged in the inner cavity of the mounting groove (15).

5. The height adjustable table with extendable table top of claim 4, wherein: The surface of the guide rod (16) is slidably provided with an L-shaped block (17), and the upper surface of the L-shaped block (17) and the inner top wall of the mounting groove (15) are fixedly connected through a return spring (18).

6. The height adjustable table with extendable table top of claim 5, wherein: The outer surface of the L-shaped block (17) is fixedly provided with a pressing block (19), and the inner sides of the two groups of L-shaped blocks (17) are fixedly connected through a connecting rod (20).

7. The lift table with an expandable desktop according to claim 1, wherein: The lower surface of the body (1) is provided with a limiting electric push rod (2) at four corners.

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