Sofa module capable of being quickly disassembled and assembled and armchair and combined sofa formed by sofa module

Abstract

The utility model discloses a sofa module capable of realizing quick disassembly and assembly and an armchair and a combined sofa formed by the sofa module, the sofa module comprises a rectangular seat body module and a rectangular backrest body module, and N rectangular through holes are formed in the left side part, the right side part and the rear side part of the upper surface of the rectangular seat body module; a rectangular opening is formed in the length direction of the front face of the rectangular backrest body module, N quick disassembly and assembly assemblies are arranged on the bottom face of the rectangular opening, and each quick disassembly and assembly assembly comprises a connecting piece and a fixing piece. The rectangular backrest body module and the rectangular seat body module can be assembled and connected by clamping the connecting pieces in the quick disassembly and assembly components on the rectangular backrest body module with the rectangular through holes in the rear side part of the upper surface of the rectangular seat body module. According to the utility model, the tool-free quick disassembly and assembly between modules can be realized, the disassembly and assembly operation is simple and quick, the highly modular production can be realized, and the advantages of easiness in packaging, convenience in transportation and the like are realized.

Description

Technical Field

[0001] The utility model relates to a sofa module capable of realizing rapid assembly and disassembly and a single sofa and a combined sofa composed of the sofa module, belonging to the technical field of furniture design. Background Art

[0002] Nowadays, sofas have become a must-have item for home life. Since integrated sofas are not only inconvenient to carry, pack and transport, but also have low freedom of use and cannot be freely adjusted according to user needs and space size, the market share of integrated sofas has been continuously replaced by modular sofas.

[0003] The so-called modular sofa refers to a sofa that is composed of multiple separate sofa units. Since the volume of a single sofa unit is small, the modular sofa not only has the advantages of being easy to carry, pack and transport, but the key is that it can be freely adjusted and combined according to user needs and space size. Its practicality is deeply loved by consumers.

[0004] In addition, with the mature development of e-commerce business, online shopping has become the main consumption mode today. Online furniture has many advantages such as high cost performance and wide selection range, and is currently popular among consumers. However, to realize online shopping transactions of modular sofas, it is necessary to meet the characteristics of easy packaging and disassembly, and at the same time, it must be easy for consumers to assemble by themselves.

[0005] Based on the above needs, the applicant applied for a Chinese utility model patent with patent number 202320969036.5 and patent name "A sofa unit, single sofa and combination sofa that can be disassembled and assembled without tools" in April 2023. Although the sofa unit described in the patent can be disassembled and assembled without tools, the patent requires two types of sofa units to constitute a combination sofa. One is an armless sofa unit A consisting of a seat body and a backrest body, and the other is a corner sofa unit B consisting of a seat body, a backrest body and an armrest body on one side. The two sofa units are structurally different and need to be produced independently. They cannot achieve highly modular production, resulting in high production costs. Utility Model Content

[0006] In view of the above problems and needs in the prior art, the purpose of the present invention is to provide a sofa module that can be quickly disassembled and assembled and a single sofa and a combination sofa composed of the same.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0008] A sofa module capable of rapid disassembly and assembly comprises a rectangular seat module and a rectangular backrest module, wherein N rectangular through holes are provided on the left side, the right side and the rear side of the upper surface of the rectangular seat module; the length dimension of the rectangular backrest module is equal to the length dimension of the rectangular seat module, a rectangular opening is provided in the length direction of the front side of the rectangular backrest module, the spacing between the bottom surface of the rectangular opening and the bottom surface of the rectangular backrest module is equal to the height dimension of the rectangular seat module, and N rapid disassembly and assembly components are provided on the bottom surface of the rectangular opening; the rapid disassembly and assembly components comprise a connecting piece and a fixing piece, the connecting piece The connecting piece is provided with a horizontal clamping portion, a vertical transition portion, a horizontal connecting portion and a sleeve portion in sequence. The width dimension of the horizontal clamping portion is adapted to the length dimension of the rectangular through hole on the rectangular seat body module. The fixing piece includes two fixing seats arranged in parallel on the bottom surface of the rectangular opening. The spacing between the two fixing seats is adapted to the length of the sleeve portion. The sleeve portion can be rotatably fixed between the two fixing seats. By making the connecting piece in the quick disassembly assembly on the rectangular backrest body module clamp with the rectangular through hole on the rear side of the upper surface of the rectangular seat body module, the assembly connection between the rectangular backrest body module and the rectangular seat body module can be realized.

[0009] In one embodiment, the sofa module also includes a rectangular armrest body module, the length of which is equal to the sum of the width of the rectangular seat body module and the width of the rectangular backrest body module, a rectangular opening is provided in the length direction of the front side of the rectangular armrest body module, the spacing between the bottom surface of the rectangular opening and the bottom surface of the rectangular armrest body module is equal to the height of the rectangular seat body module, and N quick-disassembly and assembly components are provided on the bottom surface of the rectangular opening, and the assembly connection between the rectangular armrest body module and the rectangular seat body module can be achieved by making the connecting parts in the quick-disassembly and assembly components on the rectangular armrest body module snap into contact with the rectangular through holes on the left or right side of the upper surface of the rectangular seat body module.

[0010] In one implementation, feet are provided at four right angles of the bottom of the rectangular seat module, two right angles of the bottom of the rectangular backrest module away from the front, and two right angles of the bottom of the rectangular armrest module away from the front.

[0011] A preferred solution is that base fixing plates are fixedly provided at four right angles at the bottom of the rectangular seat module, two right angles at the bottom of the rectangular backrest module away from the front, and two right angles at the bottom of the rectangular armrest module away from the front, and the base feet are detachably connected to the base fixing plates.

[0012] In one embodiment, the upper and lower surfaces of the rectangular seat module are rectangular.

[0013] In another embodiment, the upper and lower surfaces of the rectangular seat module are square.

[0014] In a preferred embodiment, the bottoms of the rectangular seat module, the rectangular backrest module and the rectangular armrest module are all open rectangular frames, and at least one locking sleeve is provided on the two adjacent bottom rectangular frames of the rectangular seat module, the rectangular backrest module and the rectangular armrest module.

[0015] According to a further preferred embodiment, the locking ferrule is a U-shaped elastic plastic ferrule, and inwardly curved hooks are provided at both ends of the ferrule opening.

[0016] In one implementation, through holes coaxial with the sleeve portion are opened on the two fixing seats, and the sleeve portion is simultaneously penetrated through the through holes of the two fixing seats and the inner cavity of the sleeve portion by bolts or pins to achieve rotatable fixation between the two fixing seats.

[0017] In a preferred embodiment, N is a natural number greater than or equal to 2, with 2 and 3 being the best.

[0018] In a preferred solution, a rectangular groove having a size larger than that of the rectangular through hole is provided at the bottom of each rectangular through hole to form a limiting portion adapted to the horizontal clamping portion.

[0019] A single sofa is assembled from the sofa modules.

[0020] A modular sofa is formed by assembling and splicing multiple sofa modules.

[0021] Compared with the prior art, the beneficial technical effects of the utility model are:

[0022] The ingenious structural design of the present invention not only enables tool-free quick disassembly and assembly between modules, and has the advantages of simple and quick disassembly and assembly operations, but also requires only two or three modules to assemble and combine various types of sofa styles, which significantly simplifies the production process and reduces the cost of mass production, and significantly improves the consumer's freedom of use; in addition, the sofa module described in the present invention also has the advantages of easy packaging and convenient transportation, which is of great significance for realizing online shopping transactions; therefore, compared with the prior art, the present invention not only has significant practical value, but also has obvious advancement. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a sofa module that can be quickly disassembled and assembled, provided in Embodiment 1 of the present utility model;

[0024] Figure 2 is a schematic diagram of the top and side views of the rectangular seat module described in Example 1;

[0025] Figure 3 is a top view of the rectangular seat module described in Example 1;

[0026] Figure 4 is a bottom view of the rectangular seat module described in Example 1;

[0027] Figure 5 is a schematic diagram of the upward and side view of the rectangular seat module described in Example 1;

[0028] Figure 6 is a schematic structural diagram of the rectangular backrest body module described in Example 1;

[0029] Figure 7 is a partial enlarged structural schematic diagram of the rectangular backrest body module described in Example 1;

[0030] Figure 8 is an exploded structural diagram of the quick disassembly assembly described in Example 1;

[0031] Fig. 9 is a cross-sectional structural diagram showing the clamping relationship between the horizontal clamping portion and the rectangular through hole described in Embodiment 1;

[0032] Fig.10 is a structural schematic diagram of an armless single sofa provided in Example 2;

[0033] Fig.11 is a schematic diagram of the bottom structure of an armless single sofa provided in Example 2;

[0034] Fig.12 is a schematic structural diagram of the locking sleeve described in Example 2;

[0035] Fig.13 This is a structural schematic diagram of a sofa module that can be quickly disassembled and assembled, provided in Example 3;

[0036] Fig.14 This is a structural schematic diagram of a corner single sofa formed by the sofa module provided in Example 3;

[0037] Fig.15 It is a manifestation Fig.14 A schematic diagram of the bottom structure of a corner sofa is shown;

[0038] Fig.16 It is a top view of a corner single sofa (the upper surface of the rectangular seat module is a square) described in Example 3;

[0039] Fig.17 It is a top view of another corner sofa (the upper surface of the rectangular seat module is rectangular) described in Example 3;

[0040] Fig.18 is a structural schematic diagram of a double-armrest single sofa provided in Example 4;

[0041] Fig.19 is a schematic diagram of the bottom structure of a double-armrest single sofa provided in Example 4;

[0042] Fig. 20 is a structural schematic diagram of a double-seat combination sofa provided in Example 5;

[0043] Fig.21 is a structural schematic diagram of a three-person combination sofa provided in Example 6;

[0044] Fig. 22 is a structural schematic diagram of a four-person combination sofa with a chaise longue provided in Example 7;

[0045] Fig.23 is a structural schematic diagram of a six-person L-shaped modular sofa provided in Example 8;

[0046] The numbers in the figure are as follows:

[0047] 1. Rectangular seat module; 1-1. Upper surface of rectangular seat module; 1-2. Rectangular groove; 1-3. Stopper; 2. Rectangular backrest module; 2-1. Front of rectangular backrest module; 2-11. Rectangular opening on rectangular backrest module; 2-111. Bottom of rectangular opening on rectangular backrest module; 2-2. Bottom of rectangular backrest module; 3. Rectangular through hole; 4. Quick disassembly assembly; 4-1. Connector; 4-11. Horizontal clamping part; 4-12. Vertical transition part; 4-13 , horizontal connecting part; 4-14, shaft sleeve part; 4-2, fixing piece; 4-21, fixing seat; 4-211, through hole; 4-22, bolt or pin; 4-23, locking nut; 5, base; 6, base fixing plate; 7, locking sleeve; 7-1, hook part; 8, rectangular handrail body module; 8-1, front side of rectangular handrail body module; 8-11, rectangular opening on rectangular handrail body module; 8-111, bottom surface of rectangular opening on rectangular handrail body module; 8-2, bottom surface of rectangular handrail body module. DETAILED DESCRIPTION

[0048] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0049] Example 1

[0050] Please combine Figures 1 to 9As shown, a sofa module that can be quickly disassembled and assembled provided in this embodiment includes a rectangular seat module 1 and a rectangular backrest module 2, and N rectangular through holes 3 are provided on the left side, right side and rear side of the upper surface 1-1 of the rectangular seat module (N is 2 for example, but not limited to this choice); the length dimension a2 of the rectangular backrest module 2 is equal to the length dimension a1 of the rectangular seat module 1 (that is, a2=a1), and a rectangular opening 2-11 is provided in the length direction of the front side 2-1 of the rectangular backrest module. The distance d1 between the bottom surface 2-111 of the rectangular opening and the bottom surface 2-2 of the rectangular backrest module is equal to the height dimension c1 of the rectangular seat module 1 (i.e., d1=c1), and N quick-disassembly assemblies 4 are arranged on the bottom surface 2-111 of the rectangular opening; the quick-disassembly assemblies 4 include a connecting member 4-1 and a fixing member 4-2, the connecting member 4-1 is sequentially provided with a horizontal clamping portion 4-11, a vertical transition portion 4-12, a horizontal connecting portion 4-13 and a shaft sleeve portion 4-14, the horizontal clamping portion 4-11 The width dimension is adapted to the length dimension of the rectangular through hole 3 on the rectangular seat body module 1, and the fixing member 4-2 includes two fixing seats 4-21 arranged in parallel on the bottom surface 2-111 of the rectangular opening, and the spacing between the two fixing seats 4-21 is adapted to the length of the shaft sleeve portion 4-14, and the shaft sleeve portion 4-14 can be rotatably fixed between the two fixing seats 4-21 (specifically, a through hole 4-211 coaxial with the shaft sleeve portion 4-14 can be provided on the two fixing seats 4-21, and a bolt or a pin 4-22 is simultaneously penetrated in By setting a locking nut 4-23 at the tail end of the bolt or the pin shaft 4-22 to lock and fix it, the sleeve part 4-14 can be rotatably fixed between the two fixing seats 4-21); by making the connecting piece 4-1 in the quick disassembly assembly 4 on the rectangular backrest body module 2 be engaged with the rectangular through hole 3 located on the rear side of the upper surface 1-1 of the rectangular seat body module, the assembly connection between the rectangular backrest body module 2 and the rectangular seat body module 1 can be realized.

[0051] As a preferred solution, in this embodiment, feet 5 are provided at the four right-angled positions at the bottom of the rectangular seat module 1 and the two right-angled positions at the bottom of the rectangular backrest module 2 away from the front, and the feet 5 are detachably connected to the bottom of the rectangular seat module 1 and the bottom of the rectangular backrest module 2, which is convenient for subsequent packaging and transportation; in this embodiment, specifically, a foot fixing plate 6 is fixedly provided at the four right-angled positions at the bottom of the rectangular seat module 1 and the two right-angled positions at the bottom of the rectangular backrest module 2 away from the front, and then the foot 5 is threadedly connected to the foot fixing plate 6; the foot fixing plate 6 and the bottom of the rectangular seat module 1 and the bottom of the rectangular backrest module 2 can be connected in an integrated fixed manner (such as welding), but can also be connected in a detachable manner (such as screw connection), but the integrated fixed connection is preferred, because such a design can both simplify the disassembly and assembly operations and increase the supporting stability of the feet.

[0052] As a preferred solution, in this embodiment, a rectangular groove 1-2 having a size larger than that of the rectangular through hole 3 is provided at the bottom of each rectangular through hole 3 to form a limiting portion 1-3 adapted to the horizontal clamping portion 3 (please refer to FIG. Figure 4 , Figure 5 and Fig. 9 shown).

[0053] Example 2

[0054] See also Fig.10 and Fig.11 As shown, the rectangular seat module 1 and the rectangular backrest module 2 described in Example 1 can be assembled to obtain an armless single sofa. The specific assembly operation is as follows:

[0055] First, the rectangular backrest module 2 is located behind the rectangular seat module 1, and then the quick-disassembly assembly 4 on the rectangular backrest module 2 is aligned one by one with the rectangular through holes 3 on the rear side of the upper surface 1-1 of the rectangular seat module, and then the rectangular backrest module 2 is tilted forward so that the horizontal clamping portion 4-11 of the connecting piece 4-1 on each quick-disassembly assembly 4 is inserted into the corresponding rectangular through hole 3, and then the rectangular backrest module 2 is straightened backward so that the front face 2-1 of the rectangular backrest module and the upper surface 1-1 of the rectangular seat module are in a vertical intersection state, and then the assembly is completed. Fig.10 Armless sofa shown.

[0056] In addition, in order to make the connection between the rectangular seat module 1 and the rectangular backrest module 2 more stable, in the present embodiment, the bottoms of the rectangular seat module 1 and the rectangular backrest module 2 are both open rectangular frames, and at least one locking sleeve 7 is provided on the two adjacent bottom rectangular frames of the rectangular seat module 1 and the rectangular backrest module 2 (two are shown in the figure, but not limited to this number), and the locking sleeve 7 is preferably a U-shaped elastic plastic sleeve (this facilitates tool-free disassembly and assembly and is quick and convenient to operate).

[0057] As a preferred solution, inwardly bent hooks 7-1 are provided at both ends of the opening of the ferrule, which can effectively prevent the locking ferrule 7 from automatically falling off (see Fig.12 shown).

[0058] If the connection between the rectangular backrest module 2 and the rectangular seat module 1 is to be disassembled, the locking sleeve 7 needs to be removed first, and then the rectangular backrest module 2 is tilted forward, so that the connecting piece 4-1 on each quick-disassembly assembly 4 on the rectangular backrest module 2 can be disengaged from the corresponding rectangular through hole 3.

[0059] Example 3

[0060] See also Fig.13 As shown, the sofa module that can be quickly disassembled and assembled provided in this embodiment is different from the embodiment 1 only in that: it also includes a rectangular armrest body module 8, the length dimension a3 of the rectangular armrest body module 8 is equal to the sum of the width dimension b1 of the rectangular seat body module 1 and the width dimension b2 of the rectangular backrest body module 2 (that is, a3 = b1 + b2), and a rectangular opening 8-11 is provided in the length direction of the front face 8-1 of the rectangular armrest body module, and the bottom surface 8-111 of the rectangular opening is aligned with the bottom surface 8-2 of the rectangular armrest body module. The spacing d2 between them is equal to the height dimension c1 of the rectangular seat module 1 (i.e.: d2=c1), and N quick-disassembly components 4 are provided on the bottom surface 8-111 of the rectangular opening. By making the connecting piece 4-1 in the quick-disassembly component 4 on the rectangular armrest body module 8 be engaged with the rectangular through hole 3 on the left side or right side (the right side is taken as an example in the figure, but it can also be the left side) of the upper surface 1-1 of the rectangular seat body module, the assembly connection between the rectangular armrest body module 8 and the rectangular seat body module 1 can be realized.

[0061] See also Fig.14 and Fig.15As shown, the rectangular seat module 1, the rectangular backrest module 2 and the rectangular armrest module 8 described in this embodiment can be assembled to obtain a corner single sofa. The specific assembly operation is: the horizontal clamping portion 4-11 of the connecting piece 4-1 on the quick disassembly assembly 4 on the rectangular backrest module 2 is clamped with the rectangular through hole 3 located on the rear side of the upper surface 1-1 of the rectangular seat module, and the horizontal clamping portion 4-11 of the connecting piece 4-1 on the quick disassembly assembly 4 on the rectangular armrest module 8 is clamped with the left side or right side of the upper surface 1-1 of the rectangular seat module (the right side is used as an example in the figure). Description, but it can also be the left side) on the rectangular through hole 3; the specific clamping operation can refer to the description in Example 2, and in order to make the rectangular seat module 1 and the rectangular backrest body module 2 and the rectangular armrest body module 8 more firmly connected, the bottom of the rectangular seat module 1 and the rectangular backrest body module 2 and the rectangular armrest body module 8 are all open rectangular frames, and at least one locking sleeve 7 is provided on the two bottom rectangular frames adjacent to the rectangular seat module 1 and the rectangular backrest body module 2 and the rectangular seat module 1 and the rectangular armrest body module 8 (two are shown in the figure, but not limited to this number).

[0062] See also Fig.16 As shown, if the upper and lower surfaces of the rectangular seat module 1 are square, the rectangular armrest body module 8 and the rectangular backrest body module 2 are two modules of different sizes, because: when the length dimension a1 of the rectangular seat module 1 is equal to the width dimension b1 (i.e., a1=b1), and because the length dimension a3 of the rectangular armrest body module 8 is equal to the sum of the width dimension b1 of the rectangular seat module 1 and the width dimension b2 of the rectangular backrest body module 2 (i.e., a3=b1+b2), the length dimension a2 of the rectangular backrest body module 2 is equal to the length dimension a1 of the rectangular seat module 1 (i.e., a2=a1), and therefore a3-a2=b2 at this time, indicating that the length dimension a3 of the rectangular armrest body module 8 is greater than the length dimension a2 of the rectangular backrest body module 2, thereby indicating that the rectangular armrest body module 8 and the rectangular backrest body module 2 are two modules of different sizes.

[0063] Please refer to Fig.17 As shown, if the upper and lower surfaces of the rectangular seat module 1 are rectangular, the rectangular armrest body module 8 and the rectangular backrest body module 2 are two completely identical modules, because: a3=b1+b2, a2=a1, therefore, when a3=a2, a1-b1=b2; that is, as long as the difference between the length dimension a1 of the rectangular seat module 1 and the width dimension b1 of the rectangular seat module 1 is equal to the width dimension b2 of the rectangular backrest body module 2, the rectangular armrest body module 8 and the rectangular backrest body module 2 can be the same module, thereby making the degree of modularization higher, and only two modules are needed to form various sofas, which not only significantly reduces the production cost but also increases the degree of freedom in use.

[0064] Example 4

[0065] See also Fig.18 and Fig.19 As shown, the sofa modules described in the utility model can be assembled to obtain a double-armrest single sofa. If the upper and lower surfaces of the rectangular seat module 1 are square, three modules, namely the rectangular seat module 1, the rectangular backrest module 2 and the rectangular armrest module 8, are required; if the upper and lower surfaces of the rectangular seat module 1 are rectangular, only two modules, namely the rectangular seat module 1 and the rectangular backrest module 2 (rectangular armrest module 8), are required.

[0066] Example 5

[0067] See also Fig. 20 As shown, the two rectangular seat modules 1, two rectangular backrest modules 2 and two armrest modules 8 (or two rectangular seat modules 1 and four rectangular backrest modules 2 / armrest modules 8) described in the utility model can be first assembled into two corner single sofas, and then the two assembled corner single sofas are spliced ​​and combined side by side to obtain a double combination sofa.

[0068] Example 6

[0069] See also Fig.21 As shown, the three rectangular seat modules 1, three rectangular backrest modules 2 and two armrest modules 8 (or two rectangular seat modules 1 and five rectangular backrest modules 2 / armrest modules 8) described in the utility model can be first assembled into two corner single sofas and one armless single sofa, and then the two assembled corner single sofas and one armless single sofa are spliced ​​and combined in parallel (the armless single sofa is located between the two corner single sofas) to obtain a three-person combination sofa.

[0070] Example 7

[0071] See also Fig. 22 As shown, the five rectangular seat modules 1, four rectangular backrest modules 2 and two armrest modules 8 (or two rectangular seat modules 1 and six rectangular backrest modules 2 / armrest modules 8) described in the utility model can be first assembled into two corner single sofas and two armless single sofas, and then the two assembled corner single sofas and two armless single sofas are spliced ​​and combined side by side (the two armless single sofas are located side by side between the two corner single sofas), and then the remaining rectangular seat module 1 is located on the front side of the corner sofa on one side, so that a four-person combination sofa with a chaise longue can be obtained.

[0072] Example 8

[0073] See also Fig.23As shown, the six rectangular seat modules 1, six rectangular backrest modules 2 and two armrest modules 8 (or two rectangular seat modules 1 and eight rectangular backrest modules 2 / armrest modules 8) described in the utility model can be first assembled into two corner single sofas and four armless single sofas, and then the two assembled corner single sofas and two armless single sofas are spliced ​​and combined side by side (the two armless single sofas are placed side by side in the middle of the two corner single sofas), and then the remaining two armless single sofas are placed side by side in front of the corner sofa on one side, so that a six-person L-shaped combination sofa can be obtained.

[0074] From the above, it can be seen that: the utility model, through ingenious structural design, can not only realize tool-free rapid disassembly and assembly between modules, and has the advantages of simple and fast disassembly and assembly operations, but also only needs two modules to assemble and combine various sofa styles, which not only significantly simplifies the production process and reduces the cost of mass production, but also significantly improves the consumer's freedom of use; in addition, the sofa module described in the utility model also has the advantages of easy packaging and convenient transportation, which is of great significance for realizing online shopping transactions; therefore, compared with the prior art, the utility model not only has significant practical value, but also has obvious progress.

[0075] In addition, it should be noted that the terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. Unless otherwise defined, the technical terms or scientific terms used in the present invention should be the common meanings understood by people with general skills in the field. The orientations or positional relationships indicated by the terms "top", "bottom", "front", "back", "left", "right", "inside", "outside", "upper", "lower", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the term "multiple" means two or more, unless otherwise clearly and specifically defined.

[0076] Finally, it is necessary to point out that the above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be covered within the protection scope of the utility model.

Claims

1. A sofa module capable of rapid assembly and disassembly, characterized in that: The invention comprises a rectangular seat module and a rectangular backrest module, wherein N rectangular through holes are provided on the left side, the right side and the rear side of the upper surface of the rectangular seat module; the length dimension of the rectangular backrest module is equal to the length dimension of the rectangular seat module, a rectangular opening is provided in the length direction of the front side of the rectangular backrest module, the spacing between the bottom surface of the rectangular opening and the bottom surface of the rectangular backrest module is equal to the height dimension of the rectangular seat module, and N quick disassembly and assembly components are provided on the bottom surface of the rectangular opening; the quick disassembly and assembly components comprise a connecting member and a fixing member, and the connecting member is provided with horizontal A clamping portion, a vertical transition portion, a horizontal connecting portion and a sleeve portion, wherein the width dimension of the horizontal clamping portion is adapted to the length dimension of the rectangular through hole on the rectangular seat body module, the fixing member comprises two fixing seats arranged in parallel on the bottom surface of the rectangular opening, the spacing between the two fixing seats is adapted to the length of the sleeve portion, and the sleeve portion can be rotatably fixed between the two fixing seats; by clamping the connecting member in the quick disassembly assembly on the rectangular backrest body module with the rectangular through hole on the rear side of the upper surface of the rectangular seat body module, the assembly connection between the rectangular backrest body module and the rectangular seat body module can be realized.

2. The sofa module capable of rapid assembly and disassembly according to claim 1, characterized in that: The sofa module also includes a rectangular armrest body module, the length of which is equal to the sum of the width of the rectangular seat body module and the width of the rectangular backrest body module, a rectangular opening is provided in the length direction of the front of the rectangular armrest body module, the spacing between the bottom surface of the rectangular opening and the bottom surface of the rectangular armrest body module is equal to the height of the rectangular seat body module, and N quick-disassembly and assembly components are provided on the bottom surface of the rectangular opening, and the assembly connection of the rectangular armrest body module and the rectangular seat body module can be achieved by making the connecting parts in the quick-disassembly and assembly components on the rectangular armrest body module be snapped into the rectangular through holes on the left or right side of the upper surface of the rectangular seat body module.

3. The sofa module capable of rapid assembly and disassembly according to claim 2, characterized in that: Four right angles at the bottom of the rectangular seat module, two right angles at the bottom of the rectangular backrest module away from the front, and two right angles at the bottom of the rectangular armrest module away from the front are all provided with feet.

4. The sofa module capable of rapid assembly and disassembly according to claim 3 is characterized in that: Base fixing plates are fixedly provided at four right angles at the bottom of the rectangular seat module, two right angles at the bottom of the rectangular backrest module away from the front, and two right angles at the bottom of the rectangular armrest module away from the front. The base is detachably connected to the base fixing plates.

5. The sofa module capable of rapid assembly and disassembly according to claim 2, characterized in that: The upper and lower surfaces of the rectangular seat module are rectangular or square.

6. The sofa module capable of rapid assembly and disassembly according to claim 2, characterized in that: The bottoms of the rectangular seat module, the rectangular backrest module and the rectangular armrest module are all open rectangular frames, and at least one locking sleeve is provided on the two adjacent bottom rectangular frames of the rectangular seat module, the rectangular backrest module and the rectangular armrest module.

7. The sofa module capable of rapid assembly and disassembly according to claim 1, characterized in that: The two fixing seats are provided with through holes coaxial with the shaft sleeve part. The shaft sleeve part is simultaneously penetrated in the through holes of the two fixing seats and in the inner cavity of the shaft sleeve part by bolts or pins so as to be rotatably fixed between the two fixing seats.

8. The sofa module capable of rapid assembly and disassembly according to claim 1, characterized in that: A rectangular groove whose size is larger than that of the rectangular through hole is provided at the bottom of each rectangular through hole to form a limiting portion matched with the horizontal clamping portion.

9. A single sofa, characterized by: The sofa is assembled from the sofa modules described in any one of claims 1 to 8.

10. A modular sofa, characterized in that: The sofa module is formed by assembling and splicing multiple groups of sofa modules according to any one of claims 1 to 8.

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