Split structure of chair or sofa

Abstract

The utility model discloses a split structure of a chair or a sofa. The split structure comprises a middle frame, a seat plate mounted on the middle frame, side frames correspondingly mounted on two sides of the middle frame, and a backrest mounted at the rear end between the two side frames, wherein each side frame comprises a transverse plate, an armrest and a backrest connecting plate which are mounted above the transverse plate, and supporting legs mounted below the transverse plate; a middle frame slot is correspondingly formed in the inner side of each transverse plate, at least one middle frame connecting hole is correspondingly formed in the middle frame slot and the middle frame, and the two ends of the middle frame are correspondingly inserted into the middle frame slots of the two transverse plates; clamping grooves are formed in the upper portion and the lower portion of the transverse plate, and the armrests, the backrest connecting plate and the supporting legs are correspondingly inserted into the clamping grooves; the two sides of the backrest and the two backrest connecting plates are correspondingly provided with at least one backrest connecting hole; the combined type storage rack can be freely assembled and disassembled, is convenient to replace, maintain and carry, occupies small transportation space, and is low in transportation cost.

Description

Technical Field

[0001] The utility model relates to the technical field of chairs or sofas, in particular to a split structure of a chair or a sofa. Background Art

[0002] Chairs or sofas are commonly used furniture, which include a seat, armrests installed on both sides of the seat, and a backrest installed at the rear end of the seat. Existing chairs or sofas are generally fixed together with mortise and tenon structures or nails. After being fixed, they cannot be disassembled, otherwise the chair or sofa will be damaged and cannot be used again. Therefore, when a part is worn or damaged, it is not easy to replace or repair it quickly.

[0003] Existing chairs or sofas are assembled and fixed before being transported to downstream dealers or end users. When transporting the whole piece, the volume and weight are large, and it is not convenient to transport it by human or mechanical means. It takes up a lot of space during transportation, the single transportation volume is small, and the transportation cost is high. Utility Model Content

[0004] In order to overcome at least one of the technical problems existing in the prior art, the utility model provides a split structure of a chair or sofa, which can be freely assembled and disassembled, can be conveniently and quickly replaced and repaired, is easy to carry, occupies a small transportation space, and has a low transportation cost.

[0005] A split structure of a chair or sofa, comprising a middle frame, a seat plate installed on the middle frame, side frames correspondingly installed on both sides of the middle frame, and a backrest installed at the rear end between the two side frames, wherein the two side frames each comprise a transverse board, an armrest and a backrest connecting board installed above the transverse board, and a supporting foot installed below the transverse board; a middle frame slot is correspondingly opened on the inner side of each transverse board, at least one middle frame connecting hole is correspondingly opened in the middle frame slot and on the middle frame, two ends of the middle frame are correspondingly inserted into the middle frame slots of the two transverse boards, and fasteners are sequentially placed in the middle frame and the middle frame connecting holes on the middle frame slots. The middle frame and the two horizontal plates are connected and fixed in a detachable manner in the connecting hole; card slots are provided above and below the horizontal plate, and the armrests, backrest connecting plates and supporting legs are correspondingly inserted in the card slots; connector holes are provided on the armrests, backrest connecting plates, supporting legs and horizontal plates, and connecting parts are correspondingly inserted in each connector hole to achieve detachable connection and fixation; at least one backrest connecting hole is correspondingly provided on both sides of the backrest and the two backrest connecting plates, and the backrest connecting parts are correspondingly inserted in the backrest connecting holes on the backrest and the backrest connecting plates to achieve detachable connection and fixation.

[0006] In some embodiments, an armrest seat is hinged at the top of the two armrests, and a panel is installed on the top of the armrest seat.

[0007] In some embodiments, the cross board, the armrests, the backrest connecting plate, and the supporting feet are hollow and have reinforcing ribs disposed therein.

[0008] In some embodiments, two supporting feet are correspondingly installed under each horizontal board, and the angle between the two supporting feet and the angle between the armrest and the backrest connecting plate are both acute angles.

[0009] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0011] Figure 1 It is a side structural schematic diagram of the present application;

[0012] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure without the seat plate and backrest;

[0013] Figure 3 It is a schematic diagram of the connection structure between one of the side frames and the middle frame;

[0014] Figure 4 yes Figure 3 Schematic diagram of the main view split structure;

[0015] Figure 5 yes Figure 3 Schematic diagram of the rear view split structure after removing the middle frame;

[0016] Figure 6 It is a schematic diagram of the three-dimensional structure of the horizontal plate.

[0017] Reference numerals:

[0018] Middle frame 1, seat plate 2, side frame 3,

[0019] Backrest 4, backrest connecting hole 470, backrest connecting piece 471;

[0020] Horizontal plate 5, middle frame slot 500, middle frame connection hole 501, fastener 502, card

[0021] slot 503;

[0022] Armrest 6, armrest seat 600, panel 601;

[0023] Backrest connecting plate 7, supporting foot 8;

[0024] Connecting piece hole 9, connecting component 900, and reinforcing rib 10. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside", 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, and do not indicate or imply that the device or element 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.

[0027] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Reference Figure 1-Figure 6, a split structure of a chair or sofa, comprising a middle frame 1, a seat plate 2 installed on the middle frame 1, side frames 3 correspondingly installed on both sides of the middle frame 1, and a backrest 4 installed at the rear end between the two side frames 3, the middle frame 1 and the seat plate 2 can be rectangular or square, and the surfaces of the seat plate 2 and the backrest 4 can be covered with soft objects; the two side frames 3 both include a transverse board 5, an armrest 6 and a backrest connecting plate 7 installed above the transverse board 5, and a supporting foot 8 installed below the transverse board 5; a middle frame slot 500 is correspondingly opened on the inner side of each transverse board 5, and a plurality of middle frame connecting holes 501 arranged side by side are correspondingly opened on the middle frame slot 500 and the middle frame 1, and the two ends of the middle frame 1 are correspondingly inserted into the middle frame slots 500 of the two transverse boards 5 to achieve preliminary fixation, fasteners 502 is screwed into the middle frame connection hole 501 on the middle frame 1 and the middle frame slot 500 in sequence, so that the middle frame 1 and the two cross plates 5 can be detachably connected and fixed; a card slot 503 is provided above and below the cross plate 5, and the armrest 6, the backrest connection plate 7, and the support foot 8 are correspondingly inserted into the card slot 503. The armrest 6, the backrest connection plate 7, the support foot 8, and the cross plate 5 are all provided with a connection hole 9, and a connection component 900 is correspondingly screwed into each connection hole 9 to achieve detachable connection and fixation; at least one backrest connection hole 470 is correspondingly provided on both sides of the backrest 4 and the two backrest connection plates 7, and the backrest connection member 471 is correspondingly screwed into the backrest connection hole 470 on the backrest 4 and the backrest connection plate 7 to achieve detachable connection and fixation. The fastener 502, the connection member 900 and the backrest connection member 471 can be threaded connectors such as screws, bolts or screws.

[0030] The middle frame 1, seat plate 2, side frame 3, and backrest 4 of the present application can all be integrally formed by plastic, which is fast to process, low in cost, and light in weight. The two side frames 3 have the same structure. When in use, first assemble the two side frames 3. Specifically, insert the two support legs 8 into the two card slots 503 located below the cross plate 5, and then screw the connecting components 900 into the connecting holes 9 provided on the cross plate 5 and the support legs 8 in sequence, so that the two are fixed together. Then insert the armrest 6 and the backrest connecting plate 7 into the two card slots 503 located above the cross plate 5, and then screw the connecting components 900 into the connecting holes 9 provided on the cross plate 5, the armrest 6, and the backrest connecting plate 7 in sequence and then fix them together. After assembling the two side frames 3, insert the left and right ends of the middle frame 1 into the middle frame slots 500 of the two cross plates 5, and then use the fasteners 502 to be screwed into the middle frame connecting holes 501 on the middle frame 1 and the middle frame slots 500 in sequence, so that the middle frame 1 and the two cross plates 5 are fixed together. Then, a seat plate 2 is placed flat on the middle frame 1. In order to prevent the seat plate 2 from moving, the seat plate 2 can be connected to the middle frame 1 by screws. Then, the backrest connecting piece 471 is screwed into the backrest connecting hole 470 on the backrest 4 and the backrest connecting plate 7, so that the backrest 4 is installed at the rear end between the two side frames 3. At this point, the installation is completed. The main components constituting the chair or sofa are independent and separate. Therefore, it can be freely assembled and disassembled, can be easily and quickly replaced and repaired, is easy to carry, occupies a small transportation space, and has a low transportation cost.

[0031] In some embodiments, an armrest seat 600 is hinged at the top of the two armrests 6 through a central axis, and a panel 601 is installed on the top of the armrest seat 600. The panel 601 can be used to support or place the arm, which is more comfortable to use; the armrest seat 600 can rotate along the central axis, thereby changing the angle between the panel 601 and the horizontal plane, and changing the fit between the panel 601 and the arm, so that the arm is more comfortable when placed on the panel 601.

[0032] In some embodiments, the cross plate 5, the armrests 6, the backrest connecting plate 7, and the supporting feet 8 are hollow, and reinforcing ribs 10 are arranged inside; the hollow structure can reduce weight and cost, and the reinforcing ribs 10 can increase strength and extend service life.

[0033] In some embodiments, two supporting feet 8 are installed correspondingly under each horizontal board 5, and the angle between the two supporting feet 8 and the angle between the armrest 6 and the backrest connecting plate 7 are both acute angles; a total of four supporting feet 8 and the acute angle setting can improve the stability of the structure.

[0034] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. Although the embodiments of the utility model have been shown and described, ordinary technicians in this field can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and purpose of the utility model. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. A split structure of a chair or sofa, comprising a middle frame, a seat plate mounted on the middle frame, side frames mounted on both sides of the middle frame, and a backrest mounted at the rear end between the two side frames, wherein: The two side frames include a transverse plate, an armrest and a backrest connecting plate installed above the transverse plate, and a supporting foot installed below the transverse plate; a middle frame slot is correspondingly opened on the inner side of each transverse plate, and at least one middle frame connecting hole is correspondingly opened in the middle frame slot and the middle frame, and the two ends of the middle frame are correspondingly inserted into the middle frame slots of the two transverse plates, and fasteners are sequentially inserted into the middle frame and the middle frame connecting holes on the middle frame slots, so that the middle frame and the two transverse plates can be detachably connected and fixed; card slots are opened above and below the transverse plate, and the armrests, the backrest connecting plate, and the supporting feet are correspondingly inserted into the card slots, and connecting member holes are opened on the armrests, the backrest connecting plate, the supporting feet, and the transverse plate, and connecting member holes are correspondingly inserted in each connecting member hole to realize detachable connection and fixation; at least one backrest connecting hole is correspondingly opened on both sides of the backrest and the two backrest connecting plates, and the backrest connecting members are correspondingly inserted into the backrest connecting holes on the backrest and the backrest connecting plate to realize detachable connection and fixation.

2. The split structure of a chair or sofa as claimed in claim 1, characterized in that: An armrest seat is hinged on the top of the two armrests, and a panel is installed on the top of the armrest seat.

3. The split structure of a chair or sofa as claimed in claim 1 or 2, characterized in that: The horizontal board, the armrests, the backrest connecting plate and the supporting feet are hollow and have reinforcing ribs arranged therein.

4. The split structure of a chair or sofa as claimed in claim 3, characterized in that: Two supporting feet are correspondingly installed under each horizontal board, and the angle between the two supporting feet and the angle between the armrest and the backrest connecting plate are acute angles.

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