A corner sofa

Abstract

The utility model belongs to furniture technical field, especially is a corner back sofa. Including a plurality of independent sofa chair unit, detachable installation has backrest on it, connecting structure, a plurality of independent sofa chair unit can be directly spliced in first direction and second direction different with first direction through connecting structure, to combine into a whole combined sofa. The utility model discloses through detachable backrest design and modular independent sofa chair unit, makes sofa chair unit and can be combined into L shape, straight line shape and multiple forms, satisfies the individualized layout demand, and the quick positioning and optional locking are realized through the limiting edge and the positioning hole that the aluminum profile pipe spare constitutes from the aluminum profile pipe spare between sofa chair unit, cooperate the hidden U-shaped locking piece and magnetic attraction structure, have guaranteed the stability and convenience of splicing, have solved the difficulty of moving the furniture, and the integral, safety and service life of product series are further improved through the unified armrest specification and the strengthening design.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, specifically to a corner back sofa. Background Technology

[0002] In existing home environments, corner sofas are widely popular because they effectively utilize corner spaces in a room.

[0003] Traditional corner sofas are mostly single-piece structures or composed of a few fixed modules. These sofas have inherent limitations in function and design, making it difficult to adapt to diverse spatial layouts and users' needs for flexibility. In addition, the large size of the integrated sofa also brings significant inconvenience to its transportation, handling and home installation.

[0004] Therefore, we proposed a corner back sofa to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the prior art, this utility model provides a corner back sofa, which solves the problems mentioned in the background art of the fixed structure of traditional sofas, which makes it difficult to flexibly change the form according to the spatial layout, and the connection method between modules often makes it difficult to balance stability, flexibility and convenience.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0009] A corner sofa includes:

[0010] Multiple independent sofa chair units, each with a detachable backrest;

[0011] The connection structure allows multiple independent sofa chair units to be directly spliced ​​together in a first direction and a second direction different from the first direction to form a whole modular sofa.

[0012] When multiple sofa chair units are assembled into a modular sofa, the sofa chair unit located at the outermost end of the modular sofa is equipped with armrests.

[0013] Furthermore, the modular sofa is L-shaped, and the multiple independent sofa chair units include at least one corner sofa chair, at least one individual sofa chair, and at least two end sofa chairs.

[0014] Furthermore, the corner sofa chair constitutes the L-shaped corner section of the modular sofa, with the independent sofa chair and one of the end sofa chairs respectively spliced ​​on both sides;

[0015] The independent sofa chair is attached to another end sofa chair on the side away from the corner sofa chair;

[0016] The end-side sofa chairs have armrests on only one side, and the armrests of the two end-side sofa chairs are located at both ends of the modular sofa.

[0017] Furthermore, the two end-side sofas have the same shape and structure and can be symmetrically joined to form a complete sofa with armrests at both ends.

[0018] Furthermore, the corner sofa chair, the independent sofa chair, and the end sofa chair can be selectively assembled.

[0019] Furthermore, the connecting structure is a limiting edge formed on the side of the sofa chair unit for cooperating with adjacent sofa chair units, and the bottom of the limiting edge is provided with at least two positioning holes.

[0020] Furthermore, it also includes a detachable locking member, which is U-shaped and whose two ends can pass through the positioning holes of adjacent sofa chair units to selectively lock and fix adjacent sofa chair units.

[0021] Furthermore, a magnet is embedded inside the positioning hole, and a metal rod is movably sleeved on both ends of the locking member through a spring. The end of the metal rod away from the locking member extends into the positioning hole and is magnetically connected to the magnet inside it.

[0022] Furthermore, the spring is a pagoda-shaped spring, and there is a movable gap between the circumferential side of the metal rod and the inner wall of the locking member.

[0023] Furthermore, it also includes a separate single sofa, with armrests at both ends, and the specifications of the armrests are the same as those of the armrests of the sofa chair unit.

[0024] The handrail is trapezoidal, with a trapezoidal tube inside and support legs at both ends of the bottom.

[0025] (III) Beneficial Effects

[0026] Compared with the prior art, this utility model provides a corner back sofa, which has the following beneficial effects:

[0027] This utility model, through its detachable backrest design and modular independent sofa chair units, allows the sofa chair units to be flexibly combined into various shapes such as L-shape and straight line to meet personalized layout needs. The sofa chair units are quickly positioned and optionally locked by limiting edges and positioning holes formed by the aluminum profile tubing itself. Combined with the retractable U-shaped locking parts and magnetic structure, it not only ensures the stability and convenience of splicing, but also solves the problem of moving large furniture. The uniform armrest specifications and reinforced design further enhance the overall integrity, safety and service life of the product series. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the modular sofa structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the modular sofa of this utility model in its disassembled state.

[0030] Figure 3 This is a schematic diagram of the structure of two adjacent sofa chair units of this utility model combined and locked by locking components;

[0031] Figure 4 This is a schematic diagram of the structure of two adjacent sofa chair units of this utility model in a separated state;

[0032] Figure 5 This is a cross-sectional view of the locking component of this utility model;

[0033] Figure 6 This is a schematic diagram of the structure of the two end-side sofa chair combination and the combination of the independent sofa chair and the corner sofa chair of this utility model;

[0034] Figure 7 This is a schematic diagram of the structure of the independent sofa chair and the two end sofa chairs combined in this utility model;

[0035] Figure 8 This is a schematic diagram of the structure of the end-side sofa chair and the combination of the end-side sofa chair, as well as the independent sofa chair and the combination of the end-side sofa chair;

[0036] Figure 9 This is a schematic diagram of the combined structure of the corner sofa chair and an end sofa chair of this utility model;

[0037] Figure 10 This is a schematic diagram of the combined structure of the corner sofa chair and the two end sofa chairs of this utility model.

[0038] In the diagram: 1. Sofa chair unit; 11. Corner sofa chair; 12. Independent sofa chair; 13. End-mounted sofa chair; 14. Backrest; 15. Armrest; 151. Trapezoidal tube; 152. Support leg; 16. Limiting edge; 17. Positioning hole; 18. Magnet; 19. Single sofa; 2. Modular sofa; 3. Locking element; 31. Spring; 32. Metal rod. Detailed Implementation

[0039] 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.

[0040] Example

[0041] like Figure 1-10 As shown, an embodiment of this utility model provides a corner back sofa, comprising:

[0042] Multiple independent sofa chair units 1, each with a detachable backrest 14, which is fixed to the sofa chair unit 1 by bolts, and the backrests 14 on the multiple sofa chair units 1 have the same angle.

[0043] The connection structure allows multiple independent sofa chair units 1 to be directly spliced ​​together in a first direction and a second direction different from the first direction to form a whole modular sofa 2.

[0044] When multiple sofa chair units 1 are assembled into a modular sofa 2, the sofa chair unit 1 located at the outermost end of the modular sofa 2 is provided with an armrest 15.

[0045] Sofa chair unit 1 and single sofa 19 are made of high-strength 60 series aluminum alloy.

[0046] The traditional monolithic sofa is deconstructed into multiple independent sofa chair units 1. These sofa chair units 1 can be directly spliced ​​side by side in two different directions through their own connecting structure, thus forming a complete, large modular sofa 2 both physically and visually.

[0047] Breaking through the spatial and layout limitations of traditional sofas, users can freely combine sofas of various forms according to the shape, size, and usage needs of their living room, achieving a high degree of personalized customization; solving the problem of moving and bringing large furniture into the home, the independent sofa chair unit 1 is small in size and light in weight, making it easy to pass through narrow corridors and elevators, reducing the cost and difficulty of transportation and moving; by setting armrests 15 at the outermost end unit, the modular sofa 2 ensures that it provides ergonomic support, guaranteeing the practicality and comfort of the product, and avoiding the awkward design of having no armrests 15 at both ends after splicing.

[0048] like Figure 1-10 As shown, in some embodiments, the modular sofa 2 is L-shaped, and the multiple independent sofa chair units 1 include at least one corner sofa chair 11, at least one independent sofa chair 12, and at least two end sofa chairs 13;

[0049] The corner sofa chair 11 forms the L-shaped corner part of the modular sofa 2, and the independent sofa chair 12 and one of the end sofa chairs 13 are respectively spliced ​​on its two sides.

[0050] The independent sofa chair 12 is spliced ​​with another end sofa chair 13 on the side away from the corner sofa chair 11;

[0051] The end-side sofa chair 13 has an armrest 15 on only one side, and the armrests 15 of the two end-side sofa chairs 13 are located at both ends of the modular sofa 2.

[0052] The modular sofa 2 features an L-shaped design, making it highly practical. It consists of three distinct types of sofa chair units 1: a "corner sofa chair 11" for achieving a corner function, a "freestanding sofa chair 12" for extending the length, and an "end-side sofa chair 13" for ending one side and providing an end armrest 15. By combining these three standard sofa chair units 1, the most common L-shaped corner sofa can be efficiently and flexibly assembled, meeting market demands and making production, warehousing, and sales management more standardized and convenient.

[0053] like Figure 1-10 As shown, in some embodiments, the two end-side sofa chairs 13 have the same shape and structure and can be symmetrically spliced ​​together to form a complete sofa with armrests 15 at both ends.

[0054] The two end sofa chairs 13 have the same structure but are placed in different positions. They are located at the ends of the modular sofa 2 in two directions. The two end sofa chairs 13 can be directly mirrored and combined together. Users can not only use them to form a large modular sofa 2, but also quickly combine them independently into a complete sofa with armrests 15 at both ends in a single direction. This realizes "one module for multiple uses", enriches the product's usage scenarios, and enhances the product's value.

[0055] like Figure 1-10 As shown, in some embodiments, the corner sofa chair 11, the independent sofa chair 12, and the end-side sofa chair 13 can be selectively spliced ​​together.

[0056] Users can create various layouts, such as linear or corner sofas, based on changes in space or sudden inspirations, truly realizing "the sofa changes with the space," extending the product's life cycle and appeal. Specific combination methods include, but are not limited to, the following:

[0057] The combination of corner sofa chair 11 and independent sofa chair 12, the combination of corner sofa chair 11 and one end sofa chair 13, the combination of independent sofa chair 12 and one end sofa chair 13, the combination of corner sofa chair 11 and two end sofa chairs 13, the combination of independent sofa chair 12 and two end sofa chairs 13, and the combination of two end sofa chairs 13.

[0058] like Figure 1-10 As shown, in some embodiments, the connecting structure is a limiting edge 16 formed on the side of the sofa chair unit 1 for cooperating with adjacent sofa chair units 1, and the bottom of the limiting edge 16 is provided with at least two positioning holes 17.

[0059] The “limiting edge 16” is not an additional or supplementary component, but is directly served by the outer contour edge of the aluminum profile tube that constitutes the side frame of the sofa chair unit 1. When the two units come together, the profile tubes on their sides contact each other, and their contact edges naturally form a “limiting edge 16” that cooperates with each other. At the bottom of this profile tube, a positioning hole 17 is pre-drilled to provide an interface for mechanical locking.

[0060] The rigidity and strength of the profile itself provide a flexible and reliable connection base, ensuring the stability of the "limiting edge 16" positioning. Combined with the positioning hole 17 at the bottom, it provides users with a variety of options, from quick, tool-free simple assembly to using the locking part 3 to achieve a firm connection, perfectly adapting to various usage scenarios from temporary adjustment to long-term fixation.

[0061] like Figure 1-10 As shown, in some embodiments, a detachable locking member 3 is also included. The locking member 3 is U-shaped, and both ends of the locking member 3 can pass through the positioning holes 17 of the adjacent sofa chair unit 1 to selectively lock and fix the adjacent sofa chair unit 1.

[0062] The locking element 3 is U-shaped and can pass through the aligned positioning holes 17 on two adjacent sofa chair units 1 simultaneously, like a pin. This mechanically locks the two sofa chair units 1 together, preventing them from separating or shifting due to force during use. This ensures the integrity and stability of the assembled sofa. The U-shaped design makes installation and disassembly very quick and tool-free, providing a user-friendly experience.

[0063] The "selective locking" design concept balances flexibility and stability. Users can freely choose whether to lock according to their needs (such as daily use or when children are jumping around). When the locking part 3 is not in use, there is no need to remove it. One end of the locking part 3 can be inserted into any of the positioning holes 17, with the other end of the locking part 3 facing downwards from the sofa chair unit 1. This allows the locking part 3 to be hidden under the sofa chair unit 1 when not in use, without protruding to one side of the sofa chair unit 1, and without affecting the simple assembly of the sofa chair unit 1 for daily use.

[0064] like Figure 1-10 As shown, in some embodiments, a magnet 18 is embedded inside the positioning hole 17, and a metal rod 32 is movably sleeved on both ends of the locking member 3 through a spring 31. The end of the metal rod 32 away from the locking member 3 extends into the positioning hole 17 and is magnetically connected to the magnet 18 inside it.

[0065] When the locking member 3 is inserted into the positioning hole 17, the metal rod 32 pulls the locking member 3 through the spring 31 to continue to be inserted into the positioning hole 17. The magnetic attraction can effectively prevent the locking member 3 from loosening due to vibration or unintentional pulling, which greatly improves the reliability and safety of the connection.

[0066] like Figure 1-10 As shown, in some embodiments, the spring 31 is a pagoda-shaped spring, and there is a movable gap between the circumferential side of the metal rod 32 and the inner wall of the locking member 3.

[0067] The pagoda-shaped spring adopts a design with a large diameter at one end and a gradually decreasing diameter at the other end. The pagoda-shaped spring is inverted, with the larger diameter at the top supporting the inside of the locking member 3, and the smaller diameter at the bottom clamping the metal rod 32. This keeps the metal rod 32 centered inside the locking member 3, preventing misalignment that would result in uneven movement. The design of leaving a movement gap between the circumferential side of the metal rod 32 and the inner wall of the locking member 3 prevents the force from being directly transmitted to the metal rod 32 when there is shaking or misalignment between two adjacent sofa chair units 1, ensuring the stability of the magnetic connection between the metal rod 32 and the magnet 18.

[0068] like Figure 1-10As shown, in some embodiments, an independent single sofa 19 is also included, with armrests 15 at both ends of the single sofa 19, and the specifications of its armrests 15 are the same as those of the armrests 15 of the sofa chair unit 1.

[0069] The armrest 15 is trapezoidal, and a trapezoidal tube 151 is provided inside the armrest 15. Support legs 152 are provided at both ends of the bottom of the armrest 15. A backrest 14 is also installed on the single sofa 19 by bolts.

[0070] The armrests 15 of the single sofa 19 and sofa chair unit 1 are of the same specification, realizing the serialization and visual unity of the product family. The independent single sofa 19 can be perfectly matched with the modular sofa 2 to form a harmonious overall home style. The trapezoidal structure of the armrest 15 is both beautiful and stable. It has a wide base and a low center of gravity. The internal trapezoidal reinforcing tube greatly enhances the structural strength and torsional performance of the armrest 15, enabling it to withstand greater support force and improving the durability and safety of the product.

[0071] In summary, the detachable backrest 14 and modular independent sofa chair unit 12 allow the sofa chair unit 1 to be flexibly combined into various shapes such as L-shape and straight line to meet personalized layout needs. The sofa chair unit 1 is quickly positioned and optionally locked by the limiting edge 16 and positioning hole 17 formed by the aluminum profile tubing itself. With the hidden U-shaped locking part 3 and magnetic structure, it not only ensures the stability and convenience of splicing, but also solves the problem of moving large furniture. The uniform armrest 15 specifications and reinforced design further enhance the overall integrity, safety and service life of the product series.

[0072] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A corner sofa, characterized in that, include: Multiple independent sofa chair units (1), on which backrests (14) can be detachably installed; The connection structure allows multiple independent sofa chair units (1) to be directly spliced ​​together in a first direction and a second direction different from the first direction to form a whole modular sofa (2); When multiple sofa chair units (1) are assembled into a modular sofa (2), the sofa chair unit (1) located at the outermost end of the modular sofa (2) is provided with an armrest (15).

2. A corner back sofa according to claim 1, characterized in that: The modular sofa (2) is L-shaped, and the multiple independent sofa chair units (1) include at least one corner sofa chair (11), at least one independent sofa chair (12), and at least two end sofa chairs (13).

3. A corner back sofa according to claim 2, characterized in that: The corner sofa chair (11) forms the L-shaped corner part of the modular sofa (2), and the independent sofa chair (12) and one of the end side sofa chairs (13) are respectively spliced ​​on its two sides. The independent sofa chair (12) is attached to another end sofa chair (13) on the side away from the corner sofa chair (11); The end-side sofa chair (13) has an armrest (15) on only one side, and the armrests (15) of the two end-side sofa chairs (13) are located at both ends of the modular sofa (2).

4. A corner back sofa according to claim 2, characterized in that: The two end-side sofa chairs (13) have the same shape and structure and can be symmetrically spliced ​​together to form a complete sofa with armrests (15) at both ends.

5. A corner back sofa according to claim 2, characterized in that: The corner sofa chair (11), the independent sofa chair (12), and the end sofa chair (13) can be selectively spliced ​​together.

6. A corner back sofa according to claim 1, characterized in that: The connecting structure is a limiting edge (16) formed on the side of the sofa chair unit (1) for cooperating with the adjacent sofa chair unit (1), and the bottom of the limiting edge (16) is provided with at least two positioning holes (17).

7. A corner back sofa according to claim 6, characterized in that: It also includes a detachable locking member (3), which is U-shaped and whose two ends can pass through the positioning holes (17) of the adjacent sofa chair unit (1) to selectively lock and fix the adjacent sofa chair unit (1).

8. A corner back sofa according to claim 7, characterized in that: A magnet (18) is embedded inside the positioning hole (17). Both ends of the locking member (3) are fitted with metal rods (32) through springs (31). The end of the metal rod (32) away from the locking member (3) extends into the positioning hole (17) and is magnetically connected to the magnet (18) inside it.

9. A corner back sofa according to claim 8, characterized in that: The spring (31) is a pagoda-shaped spring, and there is a movable gap between the circumferential side of the metal rod (32) and the inner wall of the locking member (3).

10. A corner back sofa according to claim 1, characterized in that: It also includes an independent single sofa (19), with armrests (15) at both ends of the single sofa (19), and the specifications of its armrests (15) are the same as those of the armrests (15) of the sofa chair unit (1). The handrail (15) is trapezoidal, and a trapezoidal tube (151) is provided inside the handrail (15). Support legs (152) are provided at both ends of the bottom of the handrail (15).

Images