A sofa

Abstract

The present application relates to the field of furniture, and discloses a sofa, which comprises a main frame, wherein the main frame comprises a bottom frame, a first back cushion frame and a second back cushion frame; the first back cushion frame and the second back cushion frame are both mounted on the bottom frame; the first back cushion frame has a first extension part extending towards the second back cushion frame; the second back cushion frame has a second extension part extending towards the first back cushion frame; the first extension part and the second extension part are staggered and overlapped; and the first extension part and the second extension part are fixedly connected. The sofa has better structural strength of the main frame.

Description

Technical Field

[0001] This invention relates to the field of furniture, and more particularly to a sofa. Background Technology

[0002] Current two-seater or multi-seater sofas typically consist of a main frame, which generally includes a base frame and at least two backrest frames. These two backrest frames are arranged in parallel, meaning that the surfaces of the backrest frames that support the user face each other. Furthermore, there is no connecting structure between adjacent backrest frames, meaning each backrest frame can only bear the weight of the user's back, while adjacent backrest frames cannot share the weight, resulting in lower strength of the main frame. In addition, with current sofas, users leaning against different backrest frames must turn their heads to see each other, which also negatively impacts the user experience.

[0003] Therefore, it is necessary to design a sofa that not only further enhances the strength of the main frame but also improves the user experience. Summary of the Invention

[0004] The purpose of this invention is to provide a sofa that not only further enhances the strength of the main frame but also improves the user experience.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A sofa includes a main frame, the main frame including a base frame, a first backrest frame and a second backrest frame; the first backrest frame has a first backrest surface for supporting the back of a human body, the second backrest frame has a second backrest surface for supporting the back of a human body, and the orientation direction of the first backrest surface intersects the orientation direction of the second backrest surface.

[0007] Both the first and second backrest frames are mounted on the base frame. The first backrest frame has a first extension extending toward the second backrest frame, and the second backrest frame has a second extension extending toward the first backrest frame.

[0008] The extension direction of the first extension portion intersects the extension direction of the second extension portion. The first extension portion is provided with a first extension strip and a second extension strip. The closer the first extension portion is to the second extension portion, the smaller the distance between the first extension strip and the second extension strip. The second extension portion is provided with a first clamping plate. The first clamping plate is respectively engaged with the first extension strip and the second extension strip. The first clamping plate has a first limiting portion located between the first extension strip and the second extension strip. The two opposite ends of the first limiting portion abut against the first extension strip and the second extension strip, respectively.

[0009] Optionally, the second extension portion is further provided with a second clamping plate, the first clamping plate and the second clamping plate are spaced apart, and the second clamping plate is respectively engaged with the first extension strip and the second extension strip; the second clamping plate has a second limiting portion located between the first extension strip and the second extension strip, and the two opposite ends of the second limiting portion abut against the first extension strip and the second extension strip respectively.

[0010] Optionally, the base frame is circular or elliptical, and both the first and second backrest frames are curved.

[0011] Optionally, the first backrest frame becomes sharper the further away from the bottom frame, and the second backrest frame becomes sharper the further away from the bottom frame.

[0012] Optionally, the first backrest surface is provided with alternating first tension straps to form a first elastic backrest; the second backrest surface is provided with alternating second tension straps to form a second elastic backrest.

[0013] The first elastic backrest is covered with a first sponge layer, and the second elastic backrest is covered with a second sponge layer.

[0014] Optionally, a first fabric cover is fitted on the first elastic backrest, and a second fabric cover is fitted on the second elastic backrest, with the tail ends of the first and second fabric covers folded onto the bottom frame.

[0015] Optionally, the bottom frame includes a top frame and a bottom frame spaced apart, the top frame being parallel to the bottom frame; a receiving gap is formed between the top frame and the bottom frame, the receiving gap being used to receive the tail of the first fabric cover and the tail of the second fabric cover.

[0016] Optionally, the first backrest frame is further provided with a first sealing plate for covering the back of the first backrest frame, and the second backrest frame is further provided with a second sealing plate for covering the back of the second backrest frame.

[0017] Optionally, a sofa cushion is also provided on the bottom frame, and the sofa cushion is secured between the first elastic backrest and the second elastic backrest.

[0018] Optionally, the first fabric cover is provided with an edge portion, and the edge portion is fitted with an adhesive strip;

[0019] The edge of the first fabric cover overlaps the second fabric cover so that the adhesive strip tightens the second fabric cover.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] In this embodiment, the orientation of the first backrest surface of the first backrest frame intersects with the orientation of the second backrest surface of the second backrest frame. This allows a user sitting on the sofa and leaning against the first backrest surface and another user sitting on the sofa and leaning against the second backrest surface to observe each other without turning their heads, thus improving the user experience. Furthermore, by providing a first extension to the first backrest frame and a second extension to the second backrest frame, and by cleverly interlocking the first and second extensions, the second backrest frame can pull back the first backrest frame when the first backrest frame is under pressure, and vice versa. In other words, the first and second backrest frames can share the pressure they bear, effectively improving the structural strength of the main frame. The sofa of this invention, by optimizing the structure of the main frame, effectively improves the structural strength of the main frame and enhances the user experience. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0024] Figure 1 A three-dimensional structural diagram of the main frame provided in an embodiment of the present invention;

[0025] Figure 2 for Figure 1 An enlarged view of position A in the middle;

[0026] Figure 3 This is a schematic diagram of the overall structure of the sofa provided in an embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the installation structure of the first and second fabric sleeves provided in an embodiment of the present invention.

[0028] Illustration: 1. Bottom frame; 11. Top frame; 12. Bottom frame; 2. First backrest frame; 21. First extension; 2001. First extension strip; 2002. Second extension strip; 3. Second backrest frame; 31. Second extension; 33. First limiting part; 32. Second limiting part; 3001. First clamping plate; 3002. Second clamping plate; 41. First fabric cover; 42. Second fabric cover; 43. Adhesive strip; 5. Sofa cushion. Detailed Implementation

[0029] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0030] In the description of this invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component positioned centrally in the connection.

[0031] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0032] This invention provides a sofa that not only effectively improves the structural strength of the main frame, but also enhances the user experience.

[0033] It should be noted that in the existing technology, when two users of different weights lean against two adjacent wooden backrests, the two backrests bend backward to different degrees, resulting in a large deviation in the position between the two users, which affects communication between them and reduces the user experience. In addition, there is no other connection between the two adjacent wooden backrests except for the bottom frame, resulting in low structural strength of the main frame.

[0034] Please see Figures 1 to 4A sofa includes a main frame, which includes a base frame 1, a first backrest frame 2, and a second backrest frame 3; the first backrest frame 2 has a first backrest surface for supporting the back of a human body, and the second backrest frame 3 has a second backrest surface for supporting the back of a human body, and the orientation direction of the first backrest surface intersects the orientation direction of the second backrest surface.

[0035] The first backrest frame 2 and the second backrest frame 3 are both installed on the base frame 1. The first backrest frame 2 has a first extension 21 extending toward the second backrest frame 3, and the second backrest frame 3 has a second extension 31 extending toward the first backrest frame 2.

[0036] The extension direction of the first extension 21 intersects with the extension direction of the second extension 31. The first extension 21 is provided with a first extension strip 2001 and a second extension strip 2002. The closer the first extension 21 is to the second extension 31, the smaller the distance between the first extension strip 2001 and the second extension strip 2002. The second extension 31 is provided with a first clamping plate 3001, which engages with both the first extension strip 2001 and the second extension strip 2002. The first clamping plate 3001 has a first limiting portion 33 located between the first extension strip 2001 and the second extension strip 2002. The two opposite ends of the first limiting portion 33 abut against the first extension strip 2001 and the second extension strip 2002, respectively. That is, the first limiting portion is located between the first extension strip 2001 and the second extension strip 2002, and abuts against both the first extension strip 2001 and the second extension strip 2002.

[0037] Specifically, one user sits on the sofa and transmits the pressure of leaning to the first backrest frame 2, while another user sits on the sofa and transmits the pressure of leaning to the second backrest frame 3. Because the orientation of the first backrest surface intersects with that of the second backrest surface, the line of sight between the two users is intersecting, meaning they can observe each other's expressions without turning their heads. This is beneficial for improving the effectiveness of communication and thus enhancing the user experience. Furthermore, since the orientation direction of the first support surface intersects with that of the second support surface, it is easy for the extension direction of the first extension 21 to intersect with that of the second extension 31. The first extension 21 is provided with a first extension strip 2001 and a second extension strip 2002. The closer the first extension 21 is to the second extension 31, the smaller the distance between the first extension strip 2001 and the second extension strip 2002. This makes the first limiting part 33 clamp between the first extension strip 2001 and the second extension strip 2002. That is, at this time, while the first clamping plate 3001 is clamped with the first extension strip 2001 and the second extension strip 2002 respectively, it also effectively improves the clamping strength through the first limiting part 33, so that the first backrest frame 2 and the second backrest frame 3 can share the support pressure at the same time.

[0038] Optionally, the second extension 31 is further provided with a second clamping plate 3002, the first clamping plate 3001 and the second clamping plate 3002 are spaced apart, and the second clamping plate 3002 is respectively engaged with the first extension 21 and the second extension 31; the second clamping plate 3002 has a second limiting part 32 located between the first extension 21 and the second extension 31, and the two opposite ends of the second limiting part 32 abut against the first extension bar 2001 and the second extension bar 2002 respectively; that is, the second limiting part 32 is located between the first extension bar 2001 and the second extension bar 2002, and abuts against the first extension bar 2001 and the second extension bar 2002 respectively. Specifically, a second clamping plate 3002 is provided, thereby forming a quadrilateral structure with the first extension bar 2001, the first limiting part 33, the second extension bar 2002, and the second limiting part 32. When the first extension bar 2001 and the second extension bar 2002 are fixed to each other and the distance between them gradually decreases, the first limiting part 33 and the second limiting part 32 constitute the parts for transmitting and sharing the support force, and the provision of the first limiting part 33 and the second limiting part 32 further enhances the structural strength of the entire main frame.

[0039] Optionally, the base frame 1 is circular or elliptical, and the first backrest frame 2 and the second backrest frame 3 are set on the base frame 1. The main frame as a whole is butterfly-shaped, making the final effect of the sofa butterfly-shaped, which enhances the aesthetics of the sofa and improves the user experience. In this embodiment, both the first backrest frame 2 and the second backrest frame 3 are curved. The first backrest frame 2 is set on one arc-shaped section of the base frame 1, and the second backrest frame 3 is set on the other arc-shaped section of the base frame 1. On the one hand, with both the first backrest frame 2 and the second backrest frame 3 curved, the angle between the orientation of the first backrest surface and the orientation of the second backrest surface can be set to be larger, making it easier for two users to observe each other. On the other hand, the fact that both the first backrest frame 2 and the second backrest frame 3 are curved, i.e., both the first extension 21 and the second extension 31 are curved, allows the connection structure between the first extension 21 and the second extension 31 to better distribute the backrest pressure.

[0040] Optionally, the bottom frame 1 includes a top frame 11 and a bottom frame 12 spaced apart, with the top frame 11 parallel to the bottom frame 12. A gap exists between the top frame 11 and the bottom frame 12 to facilitate the installation of the first fabric cover 41 and the second fabric cover 42. Specifically, the tail of the first fabric cover 41 and the tail of the second fabric cover 42 can be tucked or overlapped within the gap between the top frame 11 and the bottom frame 12, reducing the assembly difficulty of the first fabric cover 41 and the second fabric cover 42. Preferably, an adhesive strip 43 can be sewn onto the edge of the first fabric cover 41. The first fabric cover 41 overlaps the second fabric cover 42, and the adhesive strip 43 tightens the second fabric cover 42, thereby achieving relative fixation between the first fabric cover 41 and the second fabric cover 42, resulting in a seamless overall effect for the sofa and improving the overall appearance consistency.

[0041] Optionally, the first backrest frame 2 becomes more pointed as it moves further away from the bottom frame 1, and the second backrest frame 3 becomes more pointed as it moves further away from the bottom frame 1, thus creating a butterfly-shaped visual effect, making the sofa more beautiful and pleasing to the eye.

[0042] Optionally, a first elastic backrest is formed by interlacing first tension bands on a first backrest surface, and a second elastic backrest is formed by interlacing second tension bands on a second backrest surface; a first sponge layer is provided on the first elastic backrest, and a second sponge layer is provided on the second elastic backrest.

[0043] Specifically, the first tension band, the second tension band, the first sponge layer, and the second sponge layer are designed to improve the user's backrest comfort.

[0044] Optionally, a first fabric cover 41 is fitted onto the first elastic backrest, and a second fabric cover 42 is fitted onto the second elastic backrest. The tail ends of the first fabric cover 41 and the second fabric cover 42 are folded onto the bottom frame 1. The tail end of the second fabric cover 42 is positioned on the bottom frame 1, with the tail end of the first fabric cover 41 overlapping the second fabric cover 42. The first fabric cover 41 and the second fabric cover 42 are secured together using a nail gun. The edge of the first fabric cover 41 is tightened around the second fabric cover 42 with an adhesive strip 43, reducing the gap between the first fabric cover 41 and the second fabric cover 42 and improving the aesthetic appearance of the sofa.

[0045] Optionally, the first backrest frame 2 is further provided with a first sealing plate for covering the back of the first backrest frame 2, and the second backrest frame 3 is further provided with a second sealing plate for covering the back of the second backrest frame 3. The first sealing plate provides better support for the back of the first sponge layer, and the second sealing plate provides better support for the back of the second sponge layer, which helps to extend the service life of the first and second sponge layers, thereby extending the service life of the sofa.

[0046] Specifically, when the first backrest frame 2 bends backward under force, the connection structure between the first extension bar 2001, the second extension bar 2002, the first clamping plate 3001, and the second clamping plate 3002 allows the second backrest frame 3 to hold the first backrest frame 2, thereby increasing the structural strength of the main frame. Similarly, when the second backrest frame 3 bends backward under force, the first backrest frame 2 will hold the second backrest frame 3.

[0047] Optionally, a sofa cushion 5 is also provided on the base frame 1, and the sofa cushion 5 is positioned between the first elastic backrest and the second elastic backrest. The shape of the sofa cushion 5 is consistent with the shape of the base frame 1. For example, when the shape of the base frame 1 is circular, the shape of the sofa cushion 5 is also circular; when the shape of the base frame 1 is elliptical, the shape of the sofa cushion 5 is also elliptical, so that all users sit on a single sofa cushion 5.

[0048] Optionally, a support leg is installed at the bottom of the base frame 1. The support leg keeps the base frame 1 a certain distance from the ground, preventing the base frame 1 from coming into contact with water or other dirt on the ground, making it easier to clean the sofa.

[0049] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sofa, characterized in that, The main frame includes a base frame (1), a first backrest frame (2), and a second backrest frame (3). The first backrest frame (2) has a first backrest surface for supporting the back of a human body, and the second backrest frame (3) has a second backrest surface for supporting the back of a human body. The orientation of the first backrest surface intersects the orientation of the second backrest surface. The first backrest frame (2) and the second backrest frame (3) are both installed on the bottom frame (1). The first backrest frame (2) has a first extension (21) extending toward the second backrest frame (3), and the second backrest frame (3) has a second extension (31) extending toward the first backrest frame (2). The extension direction of the first extension (21) intersects with the extension direction of the second extension (31). The first extension (21) is provided with a first extension strip (2001) and a second extension strip (2002). The closer the first extension (21) is to the second extension (31), the smaller the distance between the first extension strip (2001) and the second extension strip (2002). The second extension (31) is provided with a first clamping plate (3001). The first clamping plate (3001) is respectively clamped to the first extension strip (2001) and the second extension strip (2002). The first clamping plate (3001) has a first limiting part (33) located between the first extension strip (2001) and the second extension strip (2002). The two opposite ends of the first limiting part (33) abut against the first extension strip (2001) and the second extension strip (2002). The second extension (31) is also provided with a second clamping plate (3002), the first clamping plate (3001) and the second clamping plate (3002) are spaced apart, and the second clamping plate (3002) is respectively engaged with the first extension strip (2001) and the second extension strip (2002); The second clamping plate (3002) has a second limiting portion (32) located between the first extension bar (2001) and the second extension bar (2002), with the two opposite ends of the second limiting portion (32) abutting against the first extension bar (2001) and the second extension bar (2002) respectively.

2. The sofa according to claim 1, characterized in that, The bottom frame (1) is circular or elliptical, and the first backrest frame (2) and the second backrest frame (3) are both curved.

3. The sofa according to claim 1, characterized in that, The first backrest frame (2) becomes sharper the further away from the bottom frame (1), and the second backrest frame (3) becomes sharper the further away from the bottom frame (1).

4. The sofa according to claim 1, characterized in that, The first backrest surface is provided with alternating first elastic bands to form a first elastic backrest; the second backrest surface is provided with alternating second elastic bands to form a second elastic backrest. The first elastic backrest is covered with a first sponge layer, and the second elastic backrest is covered with a second sponge layer.

5. The sofa according to claim 4, characterized in that, The first elastic backrest is covered with a first cloth cover (41), and the second elastic backrest is covered with a second cloth cover (42). The tails of the first cloth cover (41) and the tails of the second cloth cover (42) are folded onto the bottom frame (1).

6. The sofa according to claim 5, characterized in that, The bottom frame (1) includes a top frame (11) and a bottom frame (12) spaced apart, with the top frame (11) parallel to the bottom frame (12); a receiving gap is formed between the top frame (11) and the bottom frame (12), which is used to receive the tail of the first fabric cover (41) and the tail of the second fabric cover (42).

7. The sofa according to claim 4, characterized in that, The first backrest frame (2) is also provided with a first sealing plate for covering the back of the first backrest frame (2), and the second backrest frame (3) is also provided with a second sealing plate for covering the back of the second backrest frame (3).

8. The sofa according to claim 4, characterized in that, A sofa cushion (5) is also provided on the bottom frame (1), and the sofa cushion (5) is positioned between the first elastic backrest and the second elastic backrest.

9. The sofa according to claim 6, characterized in that, The first cloth cover (41) is provided with an edge portion, and the edge portion is fitted with an adhesive strip (43). The edge of the first cloth cover (41) is overlapped on the second cloth cover (42) so that the adhesive strip (43) tightens the second cloth cover (42).

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