Intelligent furniture lifting system with three-level lifting function

Abstract

The utility model discloses a three-level lifting intelligent furniture lifting system which comprises a table top and a plurality of lifting supporting legs installed at the bottom of the table top, and each lifting supporting leg comprises an outer supporting pipe, a middle supporting pipe arranged on the inner side of the outer supporting pipe in a sleeved mode and an inner supporting pipe arranged on the inner side of the middle supporting pipe in a sleeved mode. An outer sleeve is installed on the inner side of the middle supporting pipe, an inner sleeve arranged on the inner side of the outer sleeve in a sleeved mode is installed on the inner side of the outer supporting pipe, a connector is installed at the bottom of the outer sleeve through a screw, an upper lead screw is connected to an inner ring of a bearing, an upper nut in threaded connection with the upper lead screw is arranged at the bottom of the inner sleeve, and a lower nut in threaded connection with the lower lead screw is arranged at the bottom of the inner sleeve. The top of the longitudinal bevel gear is connected with a longitudinally-arranged lower lead screw, and a lower nut in threaded connection with the lower lead screw is installed on the lower portion of the inner side of the connector. The lifting device is stable in operation and small in packaging and transporting size, one motor drives all the lifting supporting legs to ascend and descend, the lifting range is large, and the using effect is good.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, specifically to a three-stage lifting intelligent furniture lifting system. Background Technology

[0002] Furniture refers to a broad category of essential appliances and facilities for human beings to maintain normal life, engage in production practices, and carry out social activities; it forms an important foundation for establishing work and living spaces. Furniture has also continuously developed and innovated with the times, resulting in an increasing variety of types. However, most existing furniture, such as coffee tables, TV cabinets, desks, and heating tables, cannot be automatically height-adjusted. Some height-adjustable furniture features a two-stage lifting mechanism, resulting in large packaging and transportation volumes and high costs. Generally, the lifting is achieved by a single motor driving one leg, with a limited range of motion and unsatisfactory performance, failing to meet consumer requirements. Therefore, to avoid the shortcomings of existing technology, it is necessary to improve it. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and provide a three-stage lifting intelligent furniture lifting system with small packaging and transportation volume and stable operation.

[0004] This utility model is achieved through the following technical solution:

[0005] A three-stage lifting intelligent furniture lifting system includes a desktop and several lifting support feet installed at the bottom of the desktop. Each lifting support foot includes an outer support tube, a middle support tube sleeved inside the outer support tube, and an inner support tube sleeved inside the middle support tube. An outer sleeve is installed inside the middle support tube, and an inner sleeve is installed inside the outer support tube. A connector is screwed to the bottom of the outer sleeve, and a bearing is installed on the upper part of the inner side of the connector. An upper lead screw is connected to the inner ring of the bearing, and an upper screw is screwed to the bottom of the inner sleeve for connection with the upper lead screw. The inner support tube has a gearbox installed at the bottom of the lifting support foot. The gearbox contains meshing transverse bevel gears and longitudinal bevel gears. The bottom of the inner support tube is connected to a base frame, and the base frame is equipped with a drive motor. The transverse bevel gears are connected to each other and to the drive motor via connecting rods. The top of the longitudinal bevel gear is connected to a longitudinally arranged lower lead screw. A lower nut that is screwed to the lower lead screw is installed on the lower part of the inner side of the connector. The top of the lower lead screw is provided with a connecting block, and the inner side of the bottom of the upper lead screw is provided with a connecting groove corresponding to the connecting block.

[0006] Furthermore, the base frame is equipped with a control panel that is electrically connected to the drive motor.

[0007] Furthermore, a wear-resistant sleeve is fitted on the inner side of the bottom of the outer support tube and the inner side of the bottom of the middle support tube, and a flange is provided on the outer side of the bottom of the wear-resistant sleeve.

[0008] Furthermore, the outer side of the wear-resistant sleeve is provided with a hook, and the inner side of the bottom of the outer support tube and the inner side of the bottom of the middle support tube are both provided with a groove corresponding to the hook.

[0009] Furthermore, guide wear-resistant angles are installed on the outer side of the top of the inner support tube and the outer side of the top of the middle support tube.

[0010] Furthermore, an mounting base for the outer sleeve is installed on the inner side of the top of the middle support tube via mounting base screws.

[0011] Furthermore, a lead screw positioning seat is installed on the top of the gearbox, and the gearbox includes an upper gearbox seat and a lower gearbox seat arranged vertically.

[0012] Furthermore, the connector includes a first connector seat and a second connector seat connected by connector screws.

[0013] Furthermore, the mounting base includes a first mounting base block and a second mounting base block connected by mounting base screws.

[0014] Furthermore, a frame is connected to the outside of the outer support tube.

[0015] Compared to existing technologies, this invention connects an upper lead screw to the inner ring of a bearing. An upper nut, screwed to the upper lead screw, is located at the bottom of the inner sleeve. A drive motor is mounted on the base frame. Transverse bevel gears are connected to each other and to the drive motor via connecting rods. A longitudinally positioned lower lead screw is connected to the top of the longitudinal bevel gear. A lower nut, screwed to the lower lead screw, is installed on the lower part of the inner side of the connector. A connecting block is located at the top of the lower lead screw, and a connecting groove corresponding to the connecting block is located on the inner side of the bottom of the upper lead screw. The drive motor rotates clockwise, causing the lower lead screw to rotate. The rotation of the lower lead screw pushes the lower nut and the connector. The outer sleeve and middle support tube move upwards. After reaching a predetermined position, the lower lead screw rotates, driving the upper lead screw to rotate. The rotation of the upper lead screw pushes the upper nut, inner sleeve, and outer support tube upwards, thus raising the tabletop. The drive motor rotates counterclockwise, driving the lower and upper lead screws to rotate respectively, pushing the lower nut, connector, outer sleeve, middle support tube, upper nut, inner sleeve, and outer support tube downwards, thus raising and lowering the tabletop. The entire process is smooth, with a small packaging and transportation volume and low packaging and transportation costs. One motor drives the raising and lowering of all lifting support feet, resulting in a large lifting range and excellent performance, meeting consumer requirements. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a structural schematic diagram of the intelligent furniture lifting system with three-stage lifting according to this utility model;

[0018] Figure 2 This is an exploded view of the structure of the intelligent furniture lifting system with three-stage lifting.

[0019] In the diagram: 1-Desktop; 2-Outer support tube; 3-Middle support tube; 4-Inner support tube; 5-Outer sleeve; 6-Inner sleeve; 7-Bearing; 8-Upper lead screw; 9-Upper nut; 10-Transverse bevel gear; 11-Vertical bevel gear; 12-Base frame; 13-Drive motor; 14-Connecting rod; 15-Lower lead screw; 16-Lower nut; 17-Connecting block; 18-Control panel; 19-Wear-resistant sleeve; 20-Flange; 21-Hook; 22-Guide wear-resistant angle; 23-Lead screw positioning seat; 24-Upper gearbox seat; 25-Lower gearbox seat; 26-First connecting head seat; 27-Second connecting head seat; 28-First mounting block; 29-Second mounting block; 30-Shelf. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 1 and Figure 2The present invention discloses a three-stage lifting intelligent furniture lifting system, including a desktop 1 and several lifting support feet installed at the bottom of the desktop 1. Each lifting support foot includes an outer support tube 2, a middle support tube 3 sleeved inside the outer support tube 2, and an inner support tube 4 sleeved inside the middle support tube 3. An outer sleeve 5 is installed inside the middle support tube 3, and an inner sleeve 6 is installed inside the outer sleeve 5. A connector is screwed to the bottom of the outer sleeve 5, and a bearing 7 is installed on the upper part of the inner side of the connector. An upper screw rod 8 is connected to the inner ring of the bearing 7. An upper nut 9 is screwed to the bottom of the inner sleeve 6 and connected to the upper screw rod 8. A gearbox is installed at the bottom of the lowering support foot. The gearbox contains a transverse bevel gear 10 and a longitudinal bevel gear 11 that mesh with each other. A base frame 12 is connected to the bottom of the inner support tube 4. A drive motor 13 is installed on the base frame 12. The transverse bevel gears 10 are connected to each other and to the drive motor 13 through a connecting rod 14. A longitudinally arranged lower lead screw 15 is connected to the top of the longitudinal bevel gear 11. A lower nut 16 that is screwed to the lower lead screw 15 is installed on the lower part of the inner side of the connector. A connecting block 17 is provided on the top of the lower lead screw 15. A connecting groove corresponding to the connecting block 17 is provided on the inner side of the bottom of the upper lead screw 8. An upper lead screw 8 is connected to the inner ring of bearing 7. An upper nut 9, screwed onto the upper lead screw 8, is located at the bottom of the inner sleeve 6. A drive motor 13 is mounted on the base frame 12. Transverse bevel gears 10 are connected to each other and to the drive motor 13 via connecting rods 14. A longitudinally arranged lower lead screw 15 is connected to the top of the longitudinal bevel gear 11. A lower nut 16, screwed onto the lower lead screw 15, is installed on the lower part of the inner side of the connector. A connecting block 17 is located at the top of the lower lead screw 15. A connecting groove corresponding to the connecting block 17 is located on the inner side of the bottom of the upper lead screw. The drive motor 13 rotates clockwise, causing the lower lead screw 15 to rotate. The rotation of the lower lead screw 15 pushes the lower nut 16 and the connecting rod 14. The connector, outer sleeve 5, and middle support tube 3 move upwards. After reaching the specified position, the lower lead screw 15 rotates, driving the upper lead screw 8 to rotate. The rotation of the upper lead screw 8 pushes the upper nut 9, inner sleeve 6, and outer support tube 2 upwards, thus raising the tabletop. The drive motor 13 rotates counterclockwise, driving the lower lead screw 15 and upper lead screw 8 to rotate, pushing the lower nut 16, connector, outer sleeve 5, middle support tube 3, upper nut 9, inner sleeve 6, and outer support tube 2 downwards, thus lowering the tabletop. The entire process is stable, with a small packaging and transportation volume and low packaging and transportation costs. One motor drives the raising and lowering of all lifting support feet, resulting in a large lifting range and excellent performance, meeting the user requirements.

[0022] The base frame 12 is equipped with a control panel 18 that is electrically connected to the drive motor 13, which facilitates the control of the intelligent furniture lifting system.

[0023] A wear-resistant sleeve 19 is fitted on the inner side of the bottom of the outer support tube 2 and the inner side of the bottom of the middle support tube 3. A flange 20 is provided on the outer side of the bottom of the wear-resistant sleeve 19, so that the sliding between the outer support tube 2, the middle support tube 3 and the inner support tube 4 is smoother and the lifting is more stable.

[0024] The wear-resistant sleeve 19 is provided with a hook 21 on the outside. The inner side of the bottom of the outer support tube 2 and the inner side of the bottom of the middle support tube 3 are provided with a groove corresponding to the hook 21, which facilitates the installation of the wear-resistant sleeve 19 and makes the installation of the wear-resistant sleeve 19 more stable.

[0025] The outer side of the top of the inner support tube 4 and the outer side of the top of the middle support tube 3 are both equipped with guide wear-resistant angles 22, which makes the sliding between the outer support tube 2, the middle support tube 3 and the inner support tube 4 smoother and the lifting more stable.

[0026] The inner side of the top of the middle support tube 3 is fitted with a mounting seat for the outer tube 5 via mounting seat screws, making the installation of the outer tube 5 more stable.

[0027] A lead screw positioning seat 23 is installed on the top of the gearbox to make the installation of the lower lead screw 15 more stable and the rotation smoother. The gearbox includes an upper gearbox seat 24 and a lower gearbox seat 25 arranged above and below, which facilitates the installation of the transverse bevel gear 10 and the longitudinal bevel gear 11.

[0028] The connector includes a first connector seat 26 and a second connector seat 27 connected by connector screws, which facilitates the fixed installation of the lower nut 16 and the bearing 7.

[0029] The mounting base includes a first mounting block 28 and a second mounting block 29 connected by mounting base screws, which facilitates the stable installation of the outer sleeve 5.

[0030] A frame 30 is connected to the outside of the outer support tube 2 to stabilize the connection between the outer support tubes 2 and make the tabletop 1 rise and fall more smoothly.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A three-stage lifting intelligent furniture lifting system, characterized in that: The system includes a desktop and several adjustable support legs installed at the bottom of the desktop. Each adjustable support leg includes an outer support tube, a middle support tube sleeved inside the outer support tube, and an inner support tube sleeved inside the middle support tube. An outer sleeve is installed inside the middle support tube, and an inner sleeve is installed inside the outer support tube. A connector is screwed to the bottom of the outer sleeve, and a bearing is installed on the upper part of the inner side of the connector. An upper lead screw is connected to the inner ring of the bearing, and an upper nut is screwed to the upper lead screw at the bottom of the inner sleeve. A gearbox is installed at the bottom of the foot, and a transverse bevel gear and a longitudinal bevel gear are installed inside the gearbox. A base frame is connected to the bottom of the inner support tube, and a drive motor is installed on the base frame. The transverse bevel gears are connected to each other and to the drive motor through connecting rods. A longitudinally arranged lower lead screw is connected to the top of the longitudinal bevel gear. A lower nut that is screwed to the lower lead screw is installed on the lower part of the inner side of the connector. A connecting block is provided at the top of the lower lead screw, and a connecting groove corresponding to the connecting block is provided on the inner side of the bottom of the upper lead screw.

2. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: The base frame is equipped with a control panel that is electrically connected to the drive motor.

3. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: A wear-resistant sleeve is fitted on the inner side of the bottom of the outer support tube and the inner side of the bottom of the middle support tube, and a flange is provided on the outer side of the bottom of the wear-resistant sleeve.

4. The intelligent furniture lifting system with three-stage lifting according to claim 3, characterized in that: The wear-resistant sleeve is provided with a hook on the outside, and the bottom inner side of the outer support tube and the bottom inner side of the middle support tube are provided with a groove corresponding to the hook.

5. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: Guide wear-resistant angles are installed on the outer side of the top of the inner support tube and the outer side of the top of the middle support tube.

6. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: The inner side of the top of the middle support tube is fitted with a mounting seat for the outer tube to be sleeved by mounting seat screws.

7. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: A lead screw positioning seat is installed on the top of the gearbox, and the gearbox includes an upper gearbox seat and a lower gearbox seat arranged vertically.

8. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: The connector includes a first connector seat and a second connector seat connected by connector screws.

9. The intelligent furniture lifting system with three-stage lifting according to claim 6, characterized in that: The mounting base includes a first mounting base block and a second mounting base block connected by mounting base screws.

10. The intelligent furniture lifting system with three-stage lifting according to claim 1, characterized in that: A frame is connected to the outside of the outer support tube.

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