High-strength sofa framework capable of preventing deformation

Abstract

The utility model relates to the technical field of sofa frameworks, and discloses an anti-deformation high-strength sofa framework which comprises an upper triangular plate and a bottom plate, a limiting plate is fixedly connected to the center of the lower end face of the upper triangular plate, and the limiting plate is symmetrically arranged relative to the upper triangular plate; a rotating shaft is fixedly connected to the inner end face of the upper triangular plate, and a first supporting column is rotationally connected to the rotating shaft. The first supporting columns are symmetrically arranged relative to the rotating shaft. Second supporting columns are rotationally connected to the rotating shaft, and the second supporting columns are symmetrically arranged relative to the rotating shaft. According to the device, the overall strength and stability of the sofa can be remarkably improved, and the sofa is effectively prevented from deforming due to long-time use or external force action; meanwhile, through the combination of the hook-and-loop fastener assembly and the spring cushion, the comfort level and the supporting force of the sofa cushion are enhanced, the height of the device can be flexibly adjusted according to the requirements of a user, and better sitting and lying experience is provided for the user.

Description

Technical Field

[0001] This utility model relates to the field of sofa structure technology, specifically a high-strength sofa structure that prevents deformation. Background Technology

[0002] Sofa frame mainly refers to the main structure and support system of a sofa, which determines its stability, comfort, and lifespan. However, existing sofa frames still have certain shortcomings, such as:

[0003] Application CN201820489937.3, entitled "A High-Strength Sofa Sponge Resistant to Deformation," includes a first sponge body, a second sponge body, and a connecting body. The first sponge body is located at the top of the second sponge body and is fixedly connected to it. The top surface of the second sponge body is recessed to form a groove. The top of the connecting body is connected to the bottom of the first sponge body, and the bottom of the connecting body abuts against the bottom wall of the groove. The connecting body includes multiple elastic components arranged along the length of the second sponge body. Each elastic component includes multiple air bladders arranged along the height of the groove and interconnected. In practical use, this device cannot flexibly adjust the height of the sofa according to user needs, and the main support structure is filled with air bladders, which is not conducive to long-term load-bearing and maintaining structural stability, and cannot meet the usage requirements. Therefore, a high-strength sofa structure that prevents deformation is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a high-strength sofa structure that prevents deformation, in order to solve the problems mentioned in the background art that the existing high-strength sofa structures cannot flexibly adjust the height of the sofa according to user needs and that the main support structure is filled with airbags, which is not conducive to long-term load-bearing and maintaining structural stability.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes an upper triangular plate and a base plate. A limiting plate is fixedly connected to the center of the lower end face of the upper triangular plate, and the limiting plate is symmetrically arranged about the upper triangular plate. A rotating shaft is fixedly connected to the inner end face of the upper triangular plate, and a first support column is rotatably connected to the rotating shaft. The first support column is symmetrically arranged about the rotating shaft. A second support column is rotatably connected to the rotating shaft, and the second support column is symmetrically arranged about the rotating shaft. The second support column is located inside the first support column, and the first and second support columns are symmetrically arranged about the rotating shaft. A hollow cavity is provided inside the base plate, and a tripod is fixedly connected to the bottom surface of the hollow cavity. The upper end face of the tripod is fixedly connected to the top surface of the hollow cavity. An auxiliary insert plate is fixedly connected to the upper left end face of the base plate, and the auxiliary insert plate is symmetrically arranged about the base plate.

[0006] The above technical solution facilitates the stability of the overall structure.

[0007] As a preferred embodiment of this utility model, a support rod is slidably connected to the upper end of the auxiliary insert plate, and the upper end face of the support rod is fixedly connected to the lower end face of the upper triangular plate.

[0008] The above technical solution facilitates the improvement of the overall stability and load-bearing capacity of the sofa structure.

[0009] As a preferred embodiment of this utility model, the lower end faces of the first support column and the second support column are rotatably connected to fixed seats, and the upper end face of the fixed seats is threadedly connected to stud assemblies, and the upper end face of the base plate is provided with threaded grooves corresponding to the stud assemblies.

[0010] By adopting the above technical solution, the height of the support column can be easily adjusted through the cooperation of the stud assembly and the threaded groove to adapt to different usage environments and needs.

[0011] As a preferred technical solution of this utility model, the upper end face of the upper triangular plate is fixedly connected to the lower triangular plate by an adhesive, and the upper end face of the lower triangular plate is provided with a Velcro assembly.

[0012] The above technical solution can simultaneously improve the overall strength and stability of the sofa structure.

[0013] As a preferred embodiment of this utility model, the lower triangular plate is fixedly connected to a spring pad via a Velcro assembly.

[0014] The above technical solution facilitates the improvement of sofa cushion comfort and support.

[0015] As a preferred embodiment of this utility model, cavities are provided at both ends of the base plate, and moisture-proof boards are fixedly connected inside each cavity.

[0016] The above technical solution helps prevent the sofa frame from getting damp and moldy, thus extending the service life of the sofa frame.

[0017] As a preferred technical solution of this utility model, a folded moisture-proof cloth is fixedly connected to the lower left end face of the lower triangular plate, and the lower end face of the folded moisture-proof cloth and the upper end face of the base plate are movably snapped together; the folded moisture-proof cloth is symmetrically arranged about the center of the base plate.

[0018] Compared with existing technologies, the beneficial effects of this utility model are as follows: the device can significantly improve the overall strength and stability of the sofa, effectively preventing the sofa from deforming due to prolonged use or external forces; at the same time, the combination of Velcro components and spring cushions enhances the comfort and support of the sofa cushions, and the height of the device can be flexibly adjusted according to the user's needs, providing the user with a better sitting and lying experience; in addition, the design of the moisture-proof board and folded moisture-proof cloth in the cavity of the bottom plate effectively prevents the sofa structure from getting damp and moldy, extends the service life of the sofa, and improves the practicality and durability of the product.

[0019] 1. By adjusting the rotation angle of the first and second support columns and the rotating shaft, the upper triangular plate is placed at a suitable height. Then, the fixing base is fixedly connected to the base plate by the stud assembly.

[0020] 2. The upper and lower triangular plates are tightly connected with adhesive to form a stable support structure; the Velcro assembly allows for easy installation and removal of the spring cushions, ensuring both seating comfort and ease of cleaning and maintenance; when the sofa is in use, the sitting pressure is transmitted to the lower triangular plate through the spring cushions, and then distributed to the bottom plate via the upper triangular plate, support column one, and support column two, effectively preventing deformation caused by excessive local pressure; at the same time, the moisture-proof board effectively blocks ground moisture, protecting the dryness of the sofa's internal structure and extending its service life; the folded moisture-proof cloth enhances the moisture-proof effect of the sofa bottom. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main cross-sectional structure of the present invention after it has been raised;

[0022] Figure 2 This is a schematic diagram of the front sectional structure of the present invention after reduction.

[0023] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0024] Figure 4 This is a schematic diagram showing the positional relationship between support column No. 1 and support column No. 2 of this utility model;

[0025] Figure 5 This is a schematic diagram of the connection structure between the limiting plate and the rotating shaft of this utility model.

[0026] In the diagram: 1. Upper triangular plate; 2. Limiting plate; 3. Rotating shaft; 4. Support column 1; 5. Support column 2; 6. Base plate; 7. Triangular frame; 8. Auxiliary insert plate; 9. Support rod; 10. Fixing seat; 11. Stud assembly; 12. Lower triangular plate; 13. Spring pad; 14. Moisture-proof board; 15. Folded moisture-proof cloth. Detailed Implementation

[0027] 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.

[0028] Please see Figures 1-5 The present invention provides a high-strength sofa frame designed to prevent deformation, comprising an upper triangular plate 1 and a base plate 6. A limiting plate 2 is fixedly connected to the center of the lower end face of the upper triangular plate 1, and the limiting plate 2 is symmetrically arranged about the upper triangular plate 1. A rotating shaft 3 is fixedly connected to the inner end face of the upper triangular plate 1, and a first support column 4 is rotatably connected to the rotating shaft 3. The first support column 4 is symmetrically arranged about the rotating shaft 3. A second support column 5 is rotatably connected to the rotating shaft 3, and the second support column 5 is symmetrically arranged about the rotating shaft 3. The second support column 5 is located inside the first support column 4, and the first support column 4 and the second support column 5 are symmetrically arranged about the rotating shaft 3. A hollow cavity is provided inside the base plate 6, and a triangular frame 7 is fixedly connected to the bottom surface of the hollow cavity. The upper end face of the triangular frame 7 is fixedly connected to the top surface of the hollow cavity. An auxiliary insert plate 8 is fixedly connected to the upper left end face of the base plate 6, and the auxiliary insert plate 8 is symmetrically arranged about the base plate 6 to ensure the stability of the overall structure.

[0029] The upper end of the auxiliary insert plate 8 is slidably connected to a support rod 9, and the upper end face of the support rod 9 is fixedly connected to the lower end face of the upper triangular plate 1, which facilitates the improvement of the overall stability and load-bearing capacity of the sofa structure.

[0030] The lower end faces of support column 4 and support column 5 are rotatably connected to fixed base 10, and the upper end face of fixed base 10 is threadedly connected to stud assembly 11. The upper end face of base plate 6 is provided with threaded groove corresponding to stud assembly 11. Through the cooperation of stud assembly 11 and threaded groove, the height of support column can be easily adjusted to adapt to different usage environments and needs.

[0031] The upper triangular plate 1 is fixedly connected to the lower triangular plate 12 by adhesive, and the upper surface of the lower triangular plate 12 is provided with Velcro assembly, which can simultaneously improve the overall strength and stability of the sofa structure.

[0032] The lower triangular plate 12 is fixedly connected to the spring cushion 13 via Velcro assembly, which facilitates the improvement of the comfort and support of the sofa cushion;

[0033] The bottom plate 6 has cavities at both ends, and moisture-proof boards 14 are fixedly connected inside the cavities to prevent the sofa frame from getting damp and moldy, thus extending the service life of the sofa frame.

[0034] A folded moisture-proof cloth 15 is fixedly connected to the lower left end face of the lower triangular plate 12, and the lower end face of the folded moisture-proof cloth 15 is movably snapped into the upper end face of the base plate 6; the folded moisture-proof cloth 15 is symmetrically arranged about the center of the base plate 6.

[0035] Working principle: By adjusting the rotation angle of the first support column 4 and the second support column 5 with the rotating shaft 3, the upper triangular plate 1 is placed at a suitable height, and then the fixing seat 10 and the base plate 6 are fixedly connected by the stud assembly 11.

[0036] The upper triangle 1 and lower triangle 12 are tightly connected by adhesive to form a stable support structure; the Velcro assembly allows the spring cushion 13 to be easily installed or removed, ensuring both seating comfort and ease of cleaning and maintenance; when the sofa is in use, the sitting pressure is transmitted through the spring cushion 13 to the lower triangle 12, and then distributed to the bottom plate 6 via the upper triangle 1, support column 4, and support column 5, effectively preventing deformation caused by excessive local pressure; at the same time, the moisture-proof board 14 effectively blocks ground moisture, protects the dryness of the sofa's internal structure, and extends its service life; the folded moisture-proof cloth 15 enhances the moisture-proof effect of the sofa bottom.

[0037] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-strength sofa frame that prevents deformation, comprising an upper triangular plate (1) and a base plate (6), characterized in that: A limiting plate (2) is fixedly connected to the center of the lower end face of the upper triangular plate (1), and the limiting plate (2) is symmetrically arranged about the upper triangular plate (1); a rotating shaft (3) is fixedly connected to the inner end face of the upper triangular plate (1), and a first support column (4) is rotatably connected to the rotating shaft (3); the first support column (4) is symmetrically arranged about the rotating shaft (3); a second support column (5) is rotatably connected to the rotating shaft (3), and the second support column (5) is symmetrically arranged about the rotating shaft (3). The configuration is as follows: the second support column (5) is located inside the first support column (4), and the first support column (4) and the second support column (5) are symmetrically arranged about the rotation axis (3); a hollow cavity is provided in the base plate (6), and a tripod (7) is fixedly connected to the bottom surface of the hollow cavity; the upper end face of the tripod (7) is fixedly connected to the top surface of the hollow cavity; an auxiliary insert plate (8) is fixedly connected to the upper left end face of the base plate (6), and the auxiliary insert plate (8) is symmetrically arranged about the base plate (6).

2. The high-strength sofa frame for preventing deformation according to claim 1, characterized in that: The upper end of the auxiliary insert (8) is slidably connected to a support rod (9), and the upper end face of the support rod (9) is fixedly connected to the lower end face of the upper triangular plate (1).

3. A high-strength sofa frame to prevent deformation according to claim 2, characterized in that: The lower end faces of the first support column (4) and the second support column (5) are rotatably connected to a fixed seat (10), and the upper end face of the fixed seat (10) is threadedly connected to a stud assembly (11), and the upper end face of the base plate (6) is provided with a threaded groove corresponding to the stud assembly (11).

4. A high-strength sofa frame to prevent deformation according to claim 3, characterized in that: The upper triangular plate (1) is fixedly connected to the lower triangular plate (12) by an adhesive, and the upper surface of the lower triangular plate (12) is provided with a Velcro assembly.

5. A high-strength sofa frame to prevent deformation according to claim 4, characterized in that: The lower triangular plate (12) is fixedly connected to a spring pad (13) via a Velcro assembly.

6. A high-strength sofa frame to prevent deformation according to claim 5, characterized in that: The bottom plate (6) has cavities at both ends, and moisture-proof boards (14) are fixedly connected inside the cavities.

7. A high-strength sofa frame to prevent deformation according to claim 6, characterized in that: A folded moisture-proof cloth (15) is fixedly connected to the lower left end face of the lower triangular plate (12), and the lower end face of the folded moisture-proof cloth (15) and the upper end face of the base plate (6) are movably snapped together; the folded moisture-proof cloth (15) is symmetrically arranged about the center of the base plate (6).

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