Adjustable sofa leg structure

Abstract

The utility model relates to an adjustable sofa leg structure. The adjustable sofa leg structure is characterized by comprising a supporting leg unit, the sofa leg is designed to be of a modular stacked and connected structure, the supporting leg units are assembled and connected through threads, and the number of the supporting leg units needing to be stacked can be selected according to the height needed by the sofa; the modular supporting leg structure for adjusting the height of the sofa is convenient to mount, operate and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of home sofas, in particular to an adjustable sofa leg structure. Background Art

[0002] The height of traditional sofas cannot be adjusted, and the bottom of most sofas is directly in contact with the ground or only about 1 cm above the ground. Although this method can improve stability and increase aesthetics, this type of sofa is often inconvenient to clean. Although there are spiral height-adjustable legs in the prior art, the adjustment is still cumbersome and inconvenient.

[0003] In addition, the height adjustment of traditional sofa legs is complicated and costly, and it is impossible to form modular assembly adjustment and assembly, so the assembly efficiency is low and the operation is complicated. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an adjustable sofa leg structure, which can solve the problems of low modularity, inconvenient assembly and troublesome adjustment of general adjustable sofa legs.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: an adjustable sofa leg structure, the innovation of which is: comprising a leg support unit;

[0006] The leg support units are multiple and are stacked and connected in a vertical direction;

[0007] The support leg unit includes an outer shell, an inner shell and a connecting column; the outer shell is a rotating cylindrical structure; the inner shell is a cylindrical structure, and the inner shell is arranged at the center of the outer shell, and the outer shell and the inner shell are arranged coaxially; reinforcing ribs distributed in a circular array are arranged between the inner wall of the outer shell and the outer wall of the inner shell, and the reinforcing ribs are fixedly connected to the inner wall of the outer shell and the outer wall of the inner shell; a mounting hole for accommodating the installation of the connecting column is arranged on the inner shell along the axial direction; the connecting column is fixedly arranged in the mounting hole, and the top end of the connecting column extends out of the top end face of the outer shell, and the position near the top end of the connecting column is a reduced diameter structure and is provided with an external thread to form a screw; the bottom end face of the connecting column is located in the mounting hole, and the bottom end of the connecting column is provided with a threaded hole along the axial direction, and the threaded hole at the bottom end of the connecting column is connected to the screw of the connecting column on the adjacent support leg unit through threaded cooperation, so as to realize the connection between adjacent support leg units.

[0008] Furthermore, the outer shell has a frustum-shaped shell structure, and the top area of ​​the outer shell is larger than the bottom area of ​​the outer shell, and in two adjacent outer shells, the bottom area of ​​the upper outer shell is the same as the top area of ​​the lower outer shell.

[0009] Furthermore, the connecting column and the inner shell are fixed by welding or bonding.

[0010] Furthermore, a sealing plate is provided on the bottom end surface of the leg support unit, which is located between the outer wall of the outer shell and the inner wall of the inner shell.

[0011] Furthermore, a stepped groove is provided at the junction between the sealing plate and the inner shell and is connected to the mounting hole of the inner shell to avoid interference between the screw on the connecting column and the threaded hole at the bottom end of the inner shell on the adjacent leg unit.

[0012] The advantages of the utility model are:

[0013] 1) In the utility model, the sofa legs are designed to be modularly stacked and connected, the leg support units are connected by threaded assembly, and the number of leg support units to be stacked can be selected according to the required height of the sofa; this modular leg support structure for adjusting the height of the sofa is easy to install, operate and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 The utility model is a schematic diagram of an adjustable sofa leg structure.

[0016] Figure 2 The utility model is a schematic cross-sectional view of an adjustable sofa leg structure.

[0017] Figure 3 The utility model is a cross-sectional view of a foot support unit of an adjustable sofa leg structure. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figures 1 to 3An adjustable sofa leg structure is shown, comprising a leg support unit 1.

[0021] There are a plurality of leg units 1 which are stacked and connected in a vertical direction.

[0022] The leg support unit 1 comprises an outer shell 11, an inner shell 12 and a connecting column 13; the outer shell 11 is a rotating cylinder structure; the inner shell 12 is a cylindrical structure, and the inner shell 12 is arranged at the center of the outer shell 11, and the outer shell 11 and the inner shell 12 are arranged coaxially; a reinforcing rib plate 14 distributed in a circular array is arranged between the inner wall of the outer shell 11 and the outer wall of the inner shell 12, and the reinforcing rib plate 14 is fixedly connected to the inner wall of the outer shell 11 and the outer wall of the inner shell 12; a connecting rod 13 is arranged on the inner shell 12 along the axial direction to accommodate the connecting rod The connecting column 13 is installed in the mounting hole; the connecting column 13 is fixedly arranged in the mounting hole, and the top end of the connecting column 13 extends out of the top end surface of the outer shell 11, and the position near the top end of the connecting column 13 is a reduced diameter structure and is provided with an external thread to form a screw 15; the bottom end surface of the connecting column 13 is located in the mounting hole, and the bottom end of the connecting column 13 is provided with a threaded hole along the axial direction, and the threaded hole at the bottom end of the connecting column 13 is connected to the screw 15 of the connecting column on the adjacent support leg unit 1 through threaded cooperation, so as to realize the connection between adjacent support leg units 1.

[0023] The outer shell 11 is a truncated cone-shaped shell structure, and the top area of ​​the outer shell 11 is larger than the bottom area of ​​the outer shell 11 , and in two adjacent outer shells 11 , the bottom area of ​​the upper outer shell 11 is the same as the top area of ​​the lower outer shell 11 .

[0024] The connecting column 13 and the inner shell 12 are fixed by welding or bonding.

[0025] A sealing plate 2 is provided on the bottom end surface of the leg support unit 1 , between the outer wall of the outer shell 11 and the inner wall of the inner shell 12 .

[0026] A stepped groove is provided at the joint between the sealing plate 2 and the inner shell 12 and communicates with the mounting hole of the inner shell 12 to prevent the screw on the connecting column 13 from interfering with the threaded hole at the bottom end of the inner shell on the adjacent leg unit 1 .

[0027] The working principle of the utility model is: by designing the sofa legs into a modular stacked and connected structure, the leg support units are connected by threaded assembly, and the number of leg support units to be stacked can be selected according to the required height of the sofa; this modular leg support structure for adjusting the height of the sofa is easy to install, easy to operate, and convenient to assemble.

[0028] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. An adjustable sofa leg structure, characterized in that: Including leg unit; The leg support units are multiple and are stacked and connected in a vertical direction; The support leg unit includes an outer shell, an inner shell and a connecting column; the outer shell is a rotating cylindrical structure; the inner shell is a cylindrical structure, and the inner shell is arranged at the center of the outer shell, and the outer shell and the inner shell are arranged coaxially; reinforcing ribs distributed in a circular array are arranged between the inner wall of the outer shell and the outer wall of the inner shell, and the reinforcing ribs are fixedly connected to the inner wall of the outer shell and the outer wall of the inner shell; a mounting hole for accommodating the installation of the connecting column is arranged on the inner shell along the axial direction; the connecting column is fixedly arranged in the mounting hole, and the top end of the connecting column extends out of the top end face of the outer shell, and the position near the top end of the connecting column is a reduced diameter structure and is provided with an external thread to form a screw; the bottom end face of the connecting column is located in the mounting hole, and the bottom end of the connecting column is provided with a threaded hole along the axial direction, and the threaded hole at the bottom end of the connecting column is connected to the screw of the connecting column on the adjacent support leg unit through threaded cooperation, so as to realize the connection between adjacent support leg units.

2. The adjustable sofa leg structure according to claim 1, characterized in that: The outer shell has a truncated cone-shaped shell structure, and the top area of ​​the outer shell is larger than the bottom area of ​​the outer shell. In two adjacent outer shells, the bottom area of ​​the upper outer shell is the same as the top area of ​​the lower outer shell.

3. The adjustable sofa leg structure according to claim 1, characterized in that: The connecting column and the inner shell are fixed by welding or bonding.

4. The adjustable sofa leg structure according to claim 1, characterized in that: A sealing plate is arranged on the bottom end surface of the leg support unit, which is located between the outer wall of the outer shell and the inner wall of the inner shell.

5. The adjustable sofa leg structure according to claim 4, characterized in that: The connection between the sealing plate and the inner shell is provided with a stepped groove which is connected with the mounting hole of the inner shell to avoid interference between the screw rod on the connecting column and the threaded hole at the bottom end of the inner shell on the adjacent leg unit.

Images