CN223585437U

CN223585437U - A height-adjustable desk with adjustable legs and a desktop that can maintain their positions synchronously.

Info

Publication number: CN223585437U
Application number: CN202423093604.3U
Authority: CN
Inventors: 姚祖华; 刘辉; 李长春
Original assignee: Huagang Intelligent Technology Guangdong Co ltd
Current assignee: Huagang Intelligent Technology Guangdong Co ltd
Priority date: 2024-12-16
Filing date: 2024-12-16
Publication date: 2025-11-25
Anticipated expiration: 2034-12-16

Abstract

This utility model discloses a height-adjustable table with adjustable legs and a desktop that can maintain their positions synchronously. It includes a support mechanism and a desktop panel at the top of the support mechanism. The support mechanism includes a telescopic mechanism with table legs at both ends. Each table leg has an adjustment mechanism at its top, which is slidably connected to the desktop panel. A drive mechanism is connected between the two table legs. The telescopic mechanism includes two sleeves, with one end of each sleeve connected to a table leg, and the other ends of the sleeves slidably connected to a slide tube. Each table leg includes a first support leg that is tilted, and a second support leg is located in the middle of the side of the first support leg facing the ground. This utility model has the advantage of high stability, solving the problem of instability and wobbling caused by the current straight-up-down lifting method of height-adjustable tables.

Description

Lifting table with synchronous lifting of inclined legs and tabletop

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a lifting table with synchronous lifting of inclined legs and a tabletop.

Background

In a conventional office environment, people sit in front of a fixed height desk for a long time. This sedentary working procedure causes health problems, for example, it results in poor blood circulation. Because blood reflux of the legs is hindered when a person is sitting for a long time, especially at the knee joint and the hip joint, blood is liable to pool, and with the development of motor technology and automation control technology, an electric lift table has been developed. The electric lifting table uses a motor as a power source, and the motor drives a screw rod or other transmission mechanisms to realize stable lifting of the table top. The advantage of this approach is that it is easy to operate, and the user typically only has to press a button to easily adjust the height of the table top.

When the lifting table is lifted, the lifting mechanism is meshed with the gear to drive the tabletop to ascend through the gear, so that the purpose of adjusting the height of the tabletop is achieved, but the conventional lifting table legs are generally arranged in a vertically-up and vertically-down lifting mode, the lifting mode can enable the lifting table to shake easily when receiving horizontal force, and the stability of the lifting table is reduced.

Disclosure of utility model

The utility model aims to provide a lifting table with synchronous lifting of inclined legs and synchronous position keeping of a table top, which has the advantage of higher stability and solves the problem that the lifting table is unstable and easy to shake due to the vertical lifting mode of the current lifting table.

In order to achieve the purpose, the lifting table comprises a supporting mechanism and a table top plate arranged at the top end of the supporting mechanism, wherein the supporting mechanism comprises telescopic mechanisms, table legs are arranged at two ends of each telescopic mechanism, each table leg top end is provided with an adjusting mechanism, the adjusting mechanisms are in sliding connection with the table top plate, driving mechanisms are commonly connected between the two table legs, each telescopic mechanism comprises two sleeves, one opposite ends of each sleeve are respectively connected with the two table legs, and one adjacent end of each sleeve is commonly and slidably connected with a sliding cylinder.

Preferably, each desk leg comprises a first supporting leg which is obliquely arranged, a second supporting leg is arranged in the middle of one side of the first supporting leg, which faces the ground, a lifting rod is slidably arranged in the first supporting leg, and a transmission mechanism is arranged at the top end of the lifting rod.

Preferably, the first supporting leg internally mounted has the gag lever post, the inside screwed connection of gag lever post has the threaded rod, the threaded rod top extends into drive mechanism in to with drive mechanism swivelling joint.

Preferably, each adjusting mechanism comprises a supporting plate, one side, far away from the telescopic mechanism, of the top end of the supporting plate is provided with a sliding rail, the other side of the top end of the supporting plate is provided with a toothed plate, two sliding blocks are slidably mounted in the sliding rail, the two sliding blocks and the top end of the toothed plate are connected with a top plate together, and the top end of the top plate is fixed with the lower end face of the tabletop plate.

Preferably, the driving mechanism comprises a first multi-ridge rod, one end of the first multi-ridge rod is slidably connected with a sleeve rod, the first multi-ridge rod and the sleeve rod do not rotate relatively, a first gear is arranged at one end, far away from the sleeve rod, of the first multi-ridge rod, a second gear is meshed with the top end of the sleeve rod, and the second gear is meshed with the adjusting mechanism.

Preferably, one end of the loop bar far away from the first multi-corrugated bar is provided with a second multi-corrugated bar in a sliding manner, the middle part of the second multi-corrugated bar is provided with a servo motor for driving the driver to rotate, one end of the second multi-corrugated bar far away from the loop bar is provided with a third gear, the top end of the third gear is meshed with a fourth gear, and the fourth gear is meshed with the adjusting mechanism.

Preferably, the transmission mechanism comprises two shells, a rotating shaft for embedding the driving mechanism is arranged in the two shells, the rotating shaft and the driving mechanism are coaxially arranged, a first bevel gear is arranged on the outer edge surface of the rotating shaft, a second bevel gear meshed with the first bevel gear is vertically arranged below the rotating shaft, the second bevel gear is fixedly connected with the threaded rod, and a bearing rotationally connected with the threaded rod is arranged below the second bevel gear.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the first supporting leg which is obliquely arranged is supported by the second supporting leg which is obliquely arranged, so that the first supporting leg and the second supporting leg form a triangular structure, the lifting rod which is slidably arranged in the second supporting leg is connected with the table top, and when the lifting rod slides up and down in the first supporting leg, the table top is driven to lift, and the obliquely arranged table leg can provide stronger stability for the lifting table, so that the horizontal force resistance of the lifting table is improved.

2. According to the utility model, the table top plate, the table legs, the adjusting mechanism, the driving mechanism and the transmission mechanism are arranged, the first multi-ridge rod and the second multi-ridge rod are driven to rotate through the servo motor, the two transmission mechanisms respectively drive the two threaded rods to rotate, the threaded rods are in spiral fit with the limiting rods to drive the lifting rods to lift in the first supporting legs, the first gear and the third gear are respectively meshed to drive the second gear and the fourth gear to rotate, the second gear and the fourth gear are respectively meshed with the toothed plates at the bottom ends of the two top plates, the sliding blocks at the bottom ends of the top plates are driven to slide in the sliding rails, the horizontal movement of the table top is completed, and when the table legs of the lifting table are lifted obliquely, the table top is driven to move towards one side far away from a person, so that the effect that the table top plate is always and directly upwards is achieved.

3. According to the utility model, the telescopic mechanism, the table legs and the driving mechanism are arranged, and the distance between the two table legs can be adjusted by sliding the sliding cylinder arranged between the two sleeves and the first multi-corrugated rod and the second multi-corrugated rod arranged at the two ends of the sleeve rod, so that the table tops with different sizes can be conveniently installed.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of the present utility model;

FIG. 3 is a schematic diagram of the driving mechanism of FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of the lifting mechanism of FIG. 2 according to the present utility model;

fig. 5 is a schematic diagram illustrating the transmission mechanism of fig. 4 in an exploded manner.

Reference numerals and names in the drawings are as follows:

1. The table comprises a supporting mechanism, a table top plate, 3, a telescopic mechanism, 31, a sleeve, 32, a sliding cylinder, 4, table legs, 41, a first supporting leg, 42, a second supporting leg, 43, a lifting rod, 44, a limiting rod, 45, a threaded rod, 5, an adjusting mechanism, 51, a supporting plate, 52, a sliding rail, 53, a sliding block, 54, a toothed plate, 55, a top plate, 6, a driving mechanism, 61, a first multi-grooved rod, 62, a sleeve rod, 63, a servo motor, 64, a first gear, 65, a second gear, 66, a second multi-grooved rod, 67, a third gear, 68, a fourth gear, 7, a transmission mechanism, 71, a shell, 72, a rotating shaft, 73, a first bevel gear, 74, a second bevel gear, 75 and a bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or in communication between two elements or in interaction with each other. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1 to 5, an embodiment of the present utility model provides: A lifting table capable of synchronously holding the lifting of inclined legs and a table top comprises a supporting mechanism 1 and a table top plate 2 arranged at the top end of the supporting mechanism 1, wherein the supporting mechanism 1 comprises a telescopic mechanism 3, table legs 4 are arranged at two ends of the telescopic mechanism 3, an adjusting mechanism 5 is arranged at the top end of each table leg 4, the adjusting mechanism 5 is in sliding connection with the table top plate 2, a driving mechanism 6 is jointly connected between the two table legs 4, the telescopic mechanism 3 comprises two sleeves 31, one opposite ends of the two sleeves 31 are respectively connected with the two table legs 4, one adjacent ends of the two sleeves 31 are jointly and slidably connected with a sliding cylinder 32, each table leg 4 comprises a first supporting leg 41 which is obliquely arranged, a second supporting leg 42 is arranged at the middle part of one side of the first supporting leg 41 facing the ground, a lifting rod 43 is slidably arranged inside the first supporting leg 41, the transmission mechanism 7 is arranged at the top end inside the lifting rod 43, the limit rod 44 is arranged inside the first supporting leg 41, the threaded rod 45 is spirally connected inside the limit rod 44, the top end of the threaded rod 45 extends into the transmission mechanism 7 and is rotationally connected with the transmission mechanism 7, each adjusting mechanism 5 comprises a supporting plate 51, one side, far away from the telescopic mechanism 3, of the top end of the supporting plate 51 is provided with a sliding rail 52, the other side of the top end is provided with a toothed plate 54, two sliding blocks 53 are slidably arranged in the sliding rail 52, the top ends of the two sliding blocks 53 and the toothed plate 54 are jointly connected with a top plate 55, the top end of the top plate 55 is fixed with the lower end face of the tabletop 2, the driving mechanism 6 comprises a first multi-ridge rod 61, one end of the first multi-ridge rod 61 is slidingly connected with a sleeve rod 62, the first multi-ridge rod 61 and the sleeve rod 62 do not rotate relatively, one end, far away from the sleeve rod 62, of the first multi-ridge rod 61 is provided with a first gear 64, the top end of the sleeve rod 62 is meshed with a second gear 65, the second gear 65 is meshed with the adjusting mechanism 5, one end of the sleeve rod 62 far away from the first multi-grooved rod 61 is slidably provided with a second multi-grooved rod 66, the middle part of the second multi-grooved rod 66 is provided with a servo motor 63 for driving the driver to rotate, one end of the second multi-grooved rod 66 far away from the sleeve rod 62 is provided with a third gear 67, the top end of the third gear 67 is meshed with a fourth gear 68, the fourth gear 68 is meshed with the adjusting mechanism 5, the transmission mechanism 7 comprises two shells 71, a rotating shaft 72 for the driving mechanism 6 to be embedded is arranged in the two shells 71, the rotating shaft 72 and the driving mechanism 6 are coaxially arranged, the outer edge surface of the rotating shaft 72 is provided with a first bevel gear 73, a second bevel gear 74 meshed with the first bevel gear 73 is vertically arranged below the rotating shaft 72, the second bevel gear 74 is fixedly connected with the threaded rod 45, and a bearing 75 rotatably connected with the threaded rod 45 is arranged below the second bevel gear 74.

In the working principle, the distance between two table legs 4 can be adjusted by sliding the sliding cylinder 32 arranged between two sleeves 31 and the first multi-corrugated rod 61 and the second multi-corrugated rod 66 arranged at two ends of the sleeve rod 62, the first multi-corrugated rod 61 and the second multi-corrugated rod 66 are driven to rotate by a servo motor 63, two rotating shafts 72 respectively sleeved at the ends of the first multi-corrugated rod 61 and the second multi-corrugated rod 66 are meshed with a first bevel gear 73, the threaded rod 45 is respectively driven to rotate by the first bevel gear 73, the lifting rod 43 is driven to lift in the first supporting leg 41 by the threaded rod 45 in a spiral matching manner with the limit rod 44, the second gear 65 and the fourth gear 68 are respectively meshed by the first gear 64 and the third gear 67, the toothed plates 54 at the bottom ends of the two top plates 55 are respectively meshed by the second gear 65 and the fourth gear 68, the sliding block 53 at the bottom ends of the top plates 55 is driven to slide in the sliding rail 52, and the horizontal movement of the table top is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The lifting table comprises a supporting mechanism (1) and a table top plate (2) arranged at the top end of the supporting mechanism (1), and is characterized in that the supporting mechanism (1) comprises telescopic mechanisms (3), table legs (4) are arranged at two ends of each telescopic mechanism (3), an adjusting mechanism (5) is arranged at the top end of each table leg (4), the adjusting mechanism (5) is in sliding connection with the table top plate (2), driving mechanisms (6) are commonly connected between the table legs (4), each telescopic mechanism (3) comprises two sleeves (31), one end, opposite to each sleeve (31), of each sleeve is respectively connected with two table legs (4), and one end, adjacent to each sleeve (31), of each sleeve is commonly and slidably connected with a sliding cylinder (32).

2. A lifting table with synchronous lifting and tabletop holding functions according to claim 1, wherein each table leg (4) comprises a first supporting leg (41) which is obliquely arranged, a second supporting leg (42) is arranged in the middle of one side of the first supporting leg (41) facing the ground, a lifting rod (43) is slidably arranged in the first supporting leg (41), and a transmission mechanism (7) is arranged at the top end in the lifting rod (43).

3. A lifting table with synchronous lifting of inclined legs and table top keeping position according to claim 2 is characterized in that a limiting rod (44) is arranged in the first supporting leg (41), a threaded rod (45) is spirally connected in the limiting rod (44), and the top end of the threaded rod (45) extends into the transmission mechanism (7) and is rotatably connected with the transmission mechanism (7).

4. The lifting table capable of synchronously maintaining positions of lifting and tabletop with inclined legs according to claim 1, wherein each adjusting mechanism (5) comprises a supporting plate (51), one side, far away from the telescopic mechanism (3), of the top end of each supporting plate (51) is provided with a sliding rail (52), the other side of the top end is provided with a toothed plate (54), two sliding blocks (53) are slidably arranged in the sliding rails (52), the top ends of the two sliding blocks (53) and the toothed plates (54) are connected with a top plate (55) together, and the top end of the top plate (55) is fixed with the lower end face of the tabletop plate (2).

5. A lifting table with synchronous lifting of inclined legs and synchronously maintained positions of a table top according to claim 1, wherein the driving mechanism (6) comprises a first multi-ridged rod (61), one end of the first multi-ridged rod (61) is connected with a sleeve rod (62) in a sliding mode, the first multi-ridged rod (61) and the sleeve rod (62) do not generate relative rotation, one end, far away from the sleeve rod (62), of the first multi-ridged rod (61) is provided with a first gear (64), the top end of the sleeve rod (62) is meshed with a second gear (65), and the second gear (65) is meshed with the adjusting mechanism (5).

6. A lifting table with synchronous lifting of inclined legs and synchronous holding of a table top according to claim 5 is characterized in that one end of the loop bar (62) far away from the first multi-ridged bar (61) is slidably provided with a second multi-ridged bar (66), a servo motor (63) for driving a driver to rotate is arranged in the middle of the second multi-ridged bar (66), one end of the second multi-ridged bar (66) far away from the loop bar (62) is provided with a third gear (67), a fourth gear (68) is meshed with the top end of the third gear (67), and the fourth gear (68) is meshed with the regulating mechanism (5).

7. The lifting table capable of synchronously holding positions for lifting and lowering inclined legs and a table top according to claim 2, wherein the transmission mechanism (7) comprises two shells (71), rotating shafts (72) for embedding the driving mechanisms (6) are arranged in the two shells (71), the rotating shafts (72) and the driving mechanisms (6) are coaxially arranged, first bevel gears (73) are arranged on the outer edge surfaces of the rotating shafts (72), second bevel gears (74) meshed with the first bevel gears (73) are vertically arranged below the rotating shafts (72), the second bevel gears (74) are fixedly connected with threaded rods (45), and bearings (75) rotatably connected with the threaded rods (45) are arranged below the second bevel gears (74).