A single chair

By using steel plates to connect the backrest and seat in the chair, and utilizing a strip to conceal the metal parts, as well as mortise and tenon joints and adhesive bonding, the problems of easy breakage and poor aesthetics of metal tubes are solved, thus improving both support strength and appearance.

CN224572434UActive Publication Date: 2026-07-31SLEEMON HEALTHY SLEEP TECHNOLOGY CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SLEEMON HEALTHY SLEEP TECHNOLOGY CO LTD
Filing Date
2025-05-29
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing suspended back chairs that combine wood and metal have problems such as small contact area between the metal tubes and the backrest and seat, making them prone to breakage, and the exposed metal tubes affecting aesthetics.

Method used

The seat and backrest are connected by steel plates to increase support strength, and the steel plates are covered by a strip. The combination of mortise and tenon structure and glue bonding improves the reliability and aesthetics of the connection.

Benefits of technology

It improves the support strength of the backrest and the reliability of the overall structure, while also enhancing the aesthetics of the chair, saving wood, and simplifying the processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a single chair, including four supporting legs. The upper parts of the four supporting legs are connected by a crossbar, and a seat is fixed to the upper part of the crossbar. A backrest is provided above the seat, and the backrest includes two armrests. The two armrests are connected to the seat by a retaining band. A steel plate is provided in the area enclosed by the retaining band, and the two ends of the steel plate are respectively connected to the armrests and the seat. This utility model effectively improves the support strength of the backrest by connecting the seat and the backrest with a steel plate, thereby improving the reliability of the structure.
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Description

Technical Field

[0001] This utility model relates to furniture, and more specifically, to a single chair. Background Technology

[0002] Chairs are a common type of furniture, and there are many different styles. One style is a suspended back chair that combines wood and metal, which is popular among consumers for its simple style. Currently, this type of chair has the backrest suspended from the seat, and the backrest and seat are connected by metal tubes on the armrests away from the backrest. According to market feedback, this type of chair still has some shortcomings: First, the contact area between the metal tubes and the backrest and seat is small, and because the metal tubes are far from the backrest, they are subject to greater stress during use and may break; second, the exposed metal tubes affect the aesthetics. Therefore, there is an urgent need to improve this aspect. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a single chair that connects the seat and backrest with a steel plate, which can effectively improve the support strength of the backrest and thus improve the reliability of the structure.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a single chair, comprising four supporting legs, the upper parts of the four supporting legs being connected by a crossbar, a seat being fixed to the upper part of the crossbar, a backrest being provided above the seat, the backrest comprising two armrests, the two armrests being connected to the seat by a retaining strap, a steel plate being provided in the area enclosed by the retaining strap, the two ends of the steel plate being connected to the armrests and the seat respectively.

[0005] Furthermore, the lower part of the stool is provided with a second support plate, which is located on the upper part of the crossbar. The steel plate includes a connecting section, which is located in the area enclosed by the baffle. The lower part of the connecting section is provided with a base support, the upper part of which abuts against the lower part of the second support plate and the lower part of which abuts against the upper part of the crossbar. The base support and the second support plate are fixed by screws.

[0006] Furthermore, a first support plate is provided inside the area enclosed by the crossbar, and the lower part of the base abuts against the upper part of the first support plate. The base and the crossbar are fixed by screws.

[0007] Furthermore, the lower part of the handrail is provided with a limiting groove, and the upper part of the connecting section is provided with a support bracket. The support bracket is inserted into the limiting groove and fixed to the handrail by screws.

[0008] Furthermore, the upper part of the limiting groove is provided with a positioning groove, and the upper part of the support bracket is provided with a positioning platform corresponding to the positioning groove, and the positioning platform is inserted into the positioning groove.

[0009] Furthermore, the backrest also includes a first back panel and a second back panel, and the two armrests are connected to the second back panel via the first back panel, with the upper part of the first back panel connected to the second back panel.

[0010] Furthermore, the handrail is joined to the first back panel via a mortise and tenon joint, the first back panel is joined to the second back panel via a mortise and tenon joint, and the connecting ends of the handrail, the first back panel, and the second back panel are all bonded together with glue.

[0011] Furthermore, the connecting section and the base form an L-shaped structure.

[0012] Furthermore, the steel plate has a thickness of 3mm and a width of 210mm.

[0013] In summary, this utility model has the following beneficial effects:

[0014] 1. By using a wider steel plate to connect the backrest and the seat, the support contact surface can be effectively increased, improving the reliability of the overall structure. Furthermore, the steel plate is covered by a baffle strip, which can prevent the steel plate from being directly exposed to the outside, thereby improving the overall aesthetics.

[0015] 2. The backrest is made by splicing, which not only saves wood and facilitates wood processing, but also avoids splicing gaps by using glue and mortise and tenon joints. The backrest surface only needs to be sanded to become smooth, which avoids tactile discomfort. At the same time, the splicing and fixing effect is good and the overall integrity is high. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this embodiment;

[0017] Figure 2 This is a partial structural diagram of this embodiment;

[0018] Figure 3 This is a partial sectional view of this embodiment;

[0019] Figure 4 for Figure 3 Enlarged view at point B;

[0020] Figure 5 This is a top view of this embodiment.

[0021] Reference numerals: 1. Support leg; 11. Crossbar; 12. First support plate; 2. Stool; 21. Second support plate; 3. Backrest; 31. Armrest; 32. First back panel; 33. Second back panel; 34. Limiting groove; 35. Positioning groove; 4. Steel plate; 41. Connecting section; 42. Base support; 43. Support support; 44. Positioning platform; 5. Baffle. Detailed Implementation

[0022] 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.

[0023] like Figures 1 to 5 As shown, this embodiment discloses a single chair, including four support legs 1. The upper parts of the four support legs 1 are connected by a crossbar 11. Both the support legs 1 and the crossbar 11 are metal parts. A seat 2 is fixed to the upper part of the crossbar 11. A backrest 3 is provided above the seat 2. The backrest 3 includes two armrests 31. The two armrests 31 are connected to the seat 2 by a retaining strap 5. A steel plate 4 is provided in the area enclosed by the retaining strap 5. The two ends of the steel plate 4 are respectively connected to the armrests 31 and the seat 2. The steel plate 4 has a thickness of 3mm and a width of 210mm. Specifically, a second support plate 21 is provided at the lower part of the seat 2. The second support plate 21 is a wooden board. The seat 2 is a padded seat, and its padded area is supported by the second support plate 21. The second support plate 21 is located above the crossbar 11. The steel plate 4 includes a connecting section 41. The connecting section 41 is located in the area enclosed by the retaining strap 5. The connecting section 41 has a base support 42 at its lower part, forming an L-shaped structure with the base support 42. The upper part of the base support 42 abuts against the lower part of the second support plate 21 and the lower part abuts against the upper part of the crossbar 11. The base support 42 and the second support plate 21 are fixed with screws. The screws pass through the base support 42 from bottom to top and are then inserted into the second support plate 21 for fixation. The area enclosed by the crossbar 11 has a first support plate 12. The lower part of the base support 42 abuts against the upper part of the first support plate 12. The base support 42 and the crossbar 11 are fixed with screws. The screws pass through the crossbar 11 and the base support 42 from bottom to top and are then inserted into the second support plate 21 for fixation. By using a wider steel plate 4 to connect the backrest 3 and the seat 2, the support contact surface can be effectively increased, improving the reliability of the overall structure. Furthermore, the steel plate 4 is covered by a baffle 5, which can prevent the steel plate 4 from being directly exposed to the outside, thereby improving the overall aesthetics.

[0024] like Figure 4 As shown, the lower part of the handrail 31 is provided with a limiting groove 34, and the upper part of the connecting section 41 is provided with a support bracket 43. The support bracket 43 is inserted into the limiting groove 34 and fixed to the handrail 31 by screws. By setting the limiting groove 34, not only can the steel plate 4 be installed and limited, but the support bracket 43 can also be hidden and fixed.

[0025] The upper part of the limiting groove 34 is provided with a positioning groove 35, and the upper part of the support bracket 43 is provided with a positioning platform 44 corresponding to the positioning groove 35. The positioning platform 44 is inserted into the positioning groove 35. Through the above design, not only can the installation and positioning of the steel plate 4 be facilitated, but the reliability of the connection between the support bracket 31 and the steel plate 4 can also be improved, thereby improving the connection strength.

[0026] like Figure 1 As shown, the backrest 3 is made of wood. The backrest 3 also includes a first back panel 32 and a second back panel 33. The two armrests 31 are connected to the first back panel 32. The upper part of the first back panel 32 is connected to the second back panel 33. The armrests 31 and the first back panel 32 are spliced ​​together by mortise and tenon joints. The first back panel 32 and the second back panel 33 are spliced ​​together by mortise and tenon joints. The connecting ends of the armrests 31, the first back panel 32 and the second back panel 33 are all glued together. The backrest 3 is made by splicing, which not only saves wood and facilitates wood processing, but also avoids splicing gaps by using glue and mortise and tenon joints. The surface of the backrest 3 only needs to be simply sanded to become smooth, which avoids tactile discomfort. At the same time, the splicing and fixing effect is good and the overall integrity is high.

[0027] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A single chair, characterized in that It includes four support legs (1), the upper parts of the four support legs (1) are connected by a crossbar (11), a seat (2) is fixed on the upper part of the crossbar (11), a backrest (3) is provided above the seat (2), the backrest (3) includes two armrests (31), the two armrests (31) are connected to the seat (2) by a baffle (5), a steel plate (4) is provided in the area enclosed by the baffle (5), and the two ends of the steel plate (4) are respectively connected to the armrests (31) and the seat (2).

2. A one-man chair according to claim 1, characterized in that The stool (2) is provided with a second support plate (21) at the bottom. The second support plate (21) is located on the upper part of the crossbar (11). The steel plate (4) includes a connecting section (41). The connecting section (41) is located in the area enclosed by the baffle (5). The connecting section (41) is provided with a base support (42) at the bottom. The upper part of the base support (42) abuts against the lower part of the second support plate (21) and the lower part abuts against the upper part of the crossbar (11). The base support (42) and the second support plate (21) are fixed by screws.

3. A one-man chair according to claim 2, characterized in that The area enclosed by the crossbar (11) is provided with a first support plate (12), and the lower part of the base (42) abuts against the upper part of the first support plate (12). The base (42) and the crossbar (11) are fixed by screws.

4. A single chair according to claim 2, characterized in that The lower part of the handrail (31) is provided with a limiting groove (34), and the upper part of the connecting section (41) is provided with a support bracket (43). The support bracket (43) is inserted into the limiting groove (34) and fixed to the handrail (31) by screws.

5. A single chair according to claim 4, characterized in that The upper part of the limiting groove (34) is provided with a positioning groove (35), and the upper part of the support bracket (43) is provided with a positioning platform (44) corresponding to the positioning groove (35), and the positioning platform (44) is inserted into the positioning groove (35).

6. A single chair according to claim 1, characterized in that The backrest (3) also includes a first back panel (32) and a second back panel (33), and the two armrests (31) are connected to the first back panel (32) through the first back panel (32), with the upper part of the first back panel (32) connected to the second back panel (33).

7. A single chair according to claim 6, characterized in that The armrest (31) and the first back plate (32) are joined by a mortise and tenon structure, and the first back plate (32) and the second back plate (33) are joined by a mortise and tenon structure. The connecting ends of the armrest (31), the first back plate (32) and the second back plate (33) are all glued together.

8. A single chair according to claim 2, characterized in that The connecting section (41) and the base (42) form an L-shaped structure.

9. A single chair according to claim 8, characterized in that The steel plate (4) has a thickness of 3 mm and a width of 210 mm.