CN219323241U

CN219323241U - Lifting table

Info

Publication number: CN219323241U
Application number: CN202320554313.6U
Authority: CN
Inventors: 王军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-11
Anticipated expiration: 2033-03-21

Abstract

The utility model provides a lifting table, comprising: the lifting device comprises an upper table, a lower table, a plurality of first support columns, a plurality of second support columns and a lifting driving assembly; the first support columns are uniformly connected between the upper table and the lower table, and the lower table is correspondingly arranged on the side wall of the second support column in a lifting manner; the lifting driving assembly comprises a vertical screw rod, a lifting seat, a motor and a transmission mechanism, wherein the lifting seat is correspondingly in transmission connection with the first support column and is in threaded fit with the vertical screw rod, and the motor is in transmission connection with the lifting seat through the transmission mechanism. Compared with the prior art, the lifting table is convenient to operate and good in user experience by electrically controlling the upper table and the lower table to lift, and the first support columns can be synchronously driven to lift by the single motor, so that the upper table and the lower table can stably lift without inclination, the structure is simplified and stable, and a plurality of machines are not required to be used, so that the production cost can be reduced.

Description

Lifting table

Technical Field

The utility model relates to the technical field of tables, in particular to a lifting table.

Background

The desk is a common furniture, the upper part of the desk is provided with a plane, the lower part of the desk is provided with a support post, things can be put on the desk, things can be done, the desk is eaten, the words can be written, work and the like, the desk legs of the traditional desk are of fixed height, or the height can be customized during manufacturing, but once the desk is delivered and used, the height is difficult to change, so that the applicability is poor.

At present, in order to adjust the height of a table, an upper table leg is usually fixed in fixing holes with different heights of a lower table leg by using bolts, so that the height adjustment is realized, the adjustment mode is troublesome, a tool is required to flow a screw, and the user experience is poor.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings in the prior art and provides a lifting table.

One embodiment of the present utility model provides a lifting table comprising: the lifting device comprises an upper table, a lower table, a plurality of first support columns, a plurality of second support columns and a lifting driving assembly;

the first support columns are fixedly connected between the upper table and the lower table, the first support columns are correspondingly arranged on the second support columns in a lifting manner, and the lower table is correspondingly arranged on the side walls of the second support columns in a lifting manner; the lifting driving assembly comprises a plurality of vertical screw rods, a plurality of lifting seats, a motor and a transmission mechanism, wherein the vertical screw rods are correspondingly arranged on the second support columns, the lifting seats are arranged on the lower table, the motor is arranged on the lower table, the transmission mechanism is arranged on the lower table, the lifting seats are correspondingly connected with the first support columns in a transmission mode and correspondingly matched with the vertical screw rods in a threaded mode, and the motor is in transmission connection with the lifting seats through the transmission mechanism.

The lifting seat is rotatably provided with a transmission tooth, a first bevel gear and at least one second bevel gear, wherein the transmission tooth is in threaded fit with the vertical screw rod, and is in meshed transmission with the second bevel gear through the first bevel gear.

Compared with the prior art, the lifting table is convenient to operate by electrically controlling the upper table and the lower table to lift, the user experience is good, and the first support columns can be synchronously driven to lift by the single motor, so that the upper table and the lower table can stably lift without inclination, the structure is simplified and stable, and a plurality of machines are not required to be used, so that the production cost can be reduced.

In some optional embodiments, the transmission mechanism includes at least one transmission shaft, the transmission shaft is arranged between two adjacent lifting seats, the transmission shaft is in transmission connection with the second bevel gear, and the motor is in transmission connection with any transmission shaft.

In some alternative embodiments, two first bearings are disposed on the lifting seat, and the two first bearings are disposed at the top and bottom of the driving gear, respectively, and are rotatably connected with the driving gear.

In some alternative embodiments, at least one second bearing in driving connection with the second bevel gear is provided on the lifting seat.

In some alternative embodiments, the lifting seat is provided with a support plate at the top, and the bottom of the first support column is fixed on the support plate.

In some optional embodiments, a vertical guide channel is arranged in the second support column, the first support column is slidably arranged in the vertical guide channel, the vertical screw rod is arranged in the vertical guide channel, and the lifting seat extends into the vertical guide channel.

In some optional embodiments, two adjacent sides of the vertical guide channel are respectively provided with a vertical chute, the lifting seat comprises a base, a connecting seat and two sliding parts connected between the base and the connecting seat, the base is arranged in the vertical guide channel and is in threaded fit with the vertical screw rod, the connecting seat is connected with the lower table, and the sliding parts correspondingly penetrate through the vertical chute.

In some alternative embodiments, a receiving groove is formed in the bottom of the lower table, and the motor and the transmission mechanism are received in the receiving groove.

In some alternative embodiments, the lift table includes four of the first support columns and four of the second support columns, each of the four first support columns and the four second support columns being disposed about the upper table and the lower table.

In order that the utility model may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a lifting table according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a lifting table according to an embodiment of the present utility model after the upper table and the lower table are lifted;

FIG. 3 is a schematic view of a part of the structure of a lifting table after lifting an upper table and a lower table according to an embodiment of the present utility model;

fig. 4 is an enlarged view at a shown in fig. 3;

FIG. 5 is a schematic view of the lift drive assembly of one embodiment of the present utility model with the vertical screw hidden;

fig. 6 is an exploded view of a part of the structure of the elevating seat and the transmission mechanism according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a table top; 20. a lower table; 21. a receiving groove; 30. a first support column; 40. a second support column; 41. a vertical guide channel; 42. a vertical chute; 50. a vertical screw rod; 51. a lifting seat; 511. a drive tooth; 512. a first bevel gear; 513. a second bevel gear; 514. a first bearing; 515. a second bearing; 516. a support plate; 517. a base; 518. a connecting seat; 519. a sliding part; 52. a motor; 53. a transmission mechanism; 531. and a transmission shaft.

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. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying 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 at least one such feature. In the description of the present utility model, the meaning of "a plurality" means at least two, such as two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more than one.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a lifting table according to an embodiment of the present utility model, and fig. 2 is a schematic structural view of a lifting table according to an embodiment of the present utility model after lifting an upper table and a lower table, the lifting table comprising: the upper table 10, the lower table 20, a plurality of first support columns 30, a plurality of second support columns 40, and a lift drive assembly.

Referring to fig. 3 to 6, fig. 3 is a schematic structural view of a part of the lifting table after the upper table and the lower table are lifted, fig. 4 is an enlarged view of a portion a shown in fig. 3, fig. 5 is a schematic structural view of a lifting driving assembly of an embodiment of the utility model when hiding a vertical screw rod, fig. 6 is an exploded view of a part of the lifting base and the transmission mechanism of an embodiment of the utility model, a plurality of first support columns 30 are fixedly connected between the upper table 10 and the lower table 20, a thing can be placed between the top of the lower table 20 and the upper table 10, and the lower table 20 is liftably disposed on a side wall of the second support column 40. Wherein, lift drive assembly includes a plurality of vertical lead screw 50 that correspond to set up on second support column 40, a plurality of lift seat 51 that set up on lower table 20, set up motor 52 and the drive mechanism 53 of setting on lower table 20, lift seat 51 corresponds to be connected with first support column 30 transmission, and correspond with vertical lead screw 50 screw thread fit, motor 52 passes through drive mechanism 53 and lift seat 51 transmission and is connected, drive lift seat 51 goes up and down along vertical lead screw 50, and then drive first support column 30, go up table 10 and lower table 20 and go up and down together, simple structure convenient operation, only adopt a motor 52 can realize the lift function. The lifting seat 51 is rotatably provided with a transmission tooth 511, a first bevel gear 512 and at least one second bevel gear 513, the transmission tooth 511 is in threaded fit with the vertical screw rod 50, the transmission tooth 512 is in transmission connection with the second bevel gear 513, and the motor 52 is in transmission connection with the second bevel gear 513 through a transmission mechanism 53.

The lifting driving assembly drives the first supporting column 30 to lift through driving the lifting seat 51 so as to drive the upper table 10 and the lower table 20, so that the upper table 10 and the lower table 20 are adjusted to proper heights according to the actual needs of users, the requirements of the users are met, and the user experience is improved. For example, when the table is used as furniture, the heights of the first table and the second table can be adjusted according to different use scenes, the lifting seat 51 can be used as a tea table after the upper table 10 and the lower table 20 descend, and the upper table 10 and the lower table 20 can be used as dining tables after ascending; when as office supplies, can adjust the height of last table 10 and lower table 20 and adapt to office staff's rising, avoid going up table 10 high mismatch to can rise table 10 and lower table 20 after sitting for a long time, make office staff can stand the official working, certainly, the lift table of this application is not limited to foretell application scenario.

In some alternative embodiments, the transmission mechanism 53 includes at least one transmission shaft 531, a transmission shaft 531 is disposed between two adjacent lifting seats 51, the transmission shaft 531 is in transmission connection with the second bevel gear 513, the motor 52 is in transmission connection with any transmission shaft 531, the motor 52 drives the second bevel gear 513 to rotate through the transmission shaft 531, the second bevel gear 513 drives the transmission shaft 531 to rotate through the first bevel gear 512, and the transmission gear 511 will lift along the vertical screw rod 50 when rotating, so as to drive the lifting seats 51 to lift.

The number of the second bevel gears 513 on the lifting seats 51 is determined by the number of the lifting seats 51, when the number of the lifting seats 51 is two, the number of the first support columns 30 is two, the number of the second bevel gears 513 on the two lifting seats 51 is one, and at this time, the motor 52 is in transmission connection with the second bevel gears 513 on the two lifting seats 51 through a transmission shaft 531. When the number of the first support columns 30 is not less than three, the lifting seats 51 and the transmission shafts 531 are arranged at intervals along the direction surrounding the lower table 20, the lifting seat 51 at the head end and the lifting seat 51 at the tail end are provided with one second bevel gear 513, the lifting seat 51 in the middle is provided with two second bevel gears 513, so that the adjacent transmission shafts 531 realize transmission through the cooperation of the two second bevel gears 513 of the same lifting seat 51 and the first bevel gear 512, and the motor 52 can realize transmission with any transmission shaft 531.

In the present embodiment, the lifting seat 51 is provided with a receiving chamber, and the driving gear 511, the first bevel gear 512 and the second bevel gear 513 are all disposed in the receiving chamber.

Since the lifting seat 51 needs to bear the weight of the upper table 10, the lower table 20 and the first supporting seat, in order to prevent the gear teeth 511 from being jammed or not smoothly rotated due to friction with the lifting seat 51 when the lifting seat 51 is driven to move, in some alternative embodiments, two first bearings 514 are provided on the lifting seat 51, the two first bearings 514 are respectively arranged at the top and bottom of the gear teeth 511 and are rotationally connected with the gear teeth 511, and the two first bearings 514 can bear axial load, so that the gear teeth 511 can rotate more smoothly. The first bearing 514 may be a thrust bearing.

Because the transmission shaft 531 is horizontally extended, after the lifting base 51 bears the weight of the upper table 10, the lower table 20 and the first supporting base, the transmission shaft 531 will be pressed down to affect the rotation of the transmission shaft 531, in some alternative embodiments, at least one second bearing 515 in driving connection with the second bevel 513 is provided on the lifting base 51, and the second bearing 515 facilitates the rotation of the second bevel 513 to be smoother, and the second bearing 515 adopts radial bearings, so as to better support the second bevel 513.

To facilitate lifting of the first support column 30 by the lifting base 51, in some alternative embodiments, a support plate 516 is provided on top of the lifting base 51, the bottom of the first support column 30 is fixed on the support plate 516, the lifting base 51 lifts the first support column 30 by the support plate 516, and when the lifting base 51 descends, the first support column 30 descends with the lifting base 51 under the action of gravity.

In order to improve the lifting stability of the first support column 30, in some alternative embodiments, a vertical guide channel 41 is provided in the second support column 40, the first support column 30 is slidably provided in the vertical guide channel 41, a vertical screw rod 50 is provided in the vertical guide channel 41, and a lifting seat 51 extends into the vertical guide channel 41 to drive the first support column 30 to lift along the vertical guide channel 41.

The structure of the lifting seat 51 may be appropriately designed according to actual needs, in some alternative embodiments, two adjacent sides of the vertical guide channel 41 are respectively provided with a vertical chute 42, the lifting seat 51 includes a base 517, a connecting seat 518, and two sliding portions 519 connected between the base 517 and the connecting seat 518, the base 517 is disposed in the vertical guide channel 41 and is in threaded fit with the vertical screw rod 50, the connecting seat 518 is connected with the lower table 20, the sliding portions 519 correspondingly penetrate into the vertical chute 42, and by the cooperation of the two vertical chutes 42 and the two sliding portions 519, the lifting seat 51 disposed on the lower table 20 is prevented from being angularly offset relative to the second support column 40, and the stability of the movement of the lifting seat 51 can be improved. In the present embodiment, the first bearing 514, the first bevel gear 512, the second bevel gear 513, and the driving gear 511 are disposed in the base 517, and the second bearing 515 may be disposed on the connection base 518 and/or the base 517.

In some alternative embodiments, the bottom of the lower table 20 is provided with a receiving groove 21, and the motor 52 and the transmission mechanism 53 are received in the receiving groove 21, so that the motor 52 and the transmission mechanism 53 are hidden, and the aesthetic appearance is improved.

The number of first support columns 30 and second support columns 40 may be selected as appropriate according to the actual needs, and in some alternative embodiments, the lift table includes four first support columns 30 and four second support columns 40, with the four first support columns 30 and four second support columns 40 each being disposed about the upper table 10 and the lower table 20. The number of the first support columns 30 and the second support columns 40 may be two, or may be increased according to actual needs.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lifting table, comprising: the lifting device comprises an upper table, a lower table, a plurality of first support columns, a plurality of second support columns and a lifting driving assembly;

the first support columns are fixedly connected between the upper table and the lower table, the first support columns are correspondingly arranged on the second support columns in a lifting manner, and the lower table is correspondingly arranged on the side walls of the second support columns in a lifting manner;

the lifting driving assembly comprises a plurality of vertical screw rods correspondingly arranged on the second support columns, a plurality of lifting seats arranged on the lower table, a motor arranged on the lower table and a transmission mechanism arranged on the lower table, wherein the lifting seats are correspondingly in transmission connection with the first support columns and correspondingly in threaded fit with the vertical screw rods, and the motor is in transmission connection with the lifting seats through the transmission mechanism;

2. A lifting table as claimed in claim 1, wherein: the transmission mechanism comprises at least one transmission shaft, the transmission shafts are arranged between two adjacent lifting seats, the transmission shafts are in transmission connection with the second bevel gear, and the motor is in transmission connection with any transmission shaft.

3. A lifting table as claimed in claim 1, wherein: the lifting seat is provided with two first bearings, and the two first bearings are respectively arranged at the top and the bottom of the transmission teeth and are rotationally connected with the transmission teeth.

4. A lifting table as claimed in claim 1, wherein: at least one second bearing in transmission connection with the second bevel gear is arranged on the lifting seat.

5. A lifting table as claimed in claim 1, wherein: the top of lifting seat is provided with the backup pad, the bottom of first support column is fixed in the backup pad.

6. A lifting table according to any one of claims 1 to 5, wherein: the second support column is internally provided with a vertical guide channel, the first support column is slidably arranged in the vertical guide channel, the vertical screw rod is arranged in the vertical guide channel, and the lifting seat extends into the vertical guide channel.

7. A lifting table as defined in claim 6, wherein: the vertical sliding chute is arranged on two adjacent sides of the vertical guide channel respectively, the lifting seat further comprises a base, a connecting seat and two sliding parts connected between the base and the connecting seat, the base is arranged in the vertical guide channel and is in threaded fit with the vertical screw rod, the connecting seat is connected with the lower table, and the sliding parts correspondingly penetrate through the vertical sliding chute.

8. A lifting table according to any one of claims 1 to 5, wherein: the bottom of the lower table is provided with a containing groove, and the motor and the transmission mechanism are contained in the containing groove.

9. A lifting table according to any one of claims 1 to 5, comprising four of the first support columns and four of the second support columns, each of the four first support columns and four of the second support columns being disposed about the upper table and the lower table.