Quickly assembled and disassembled wooden sofa with mortise and tenon joint structure

Abstract

The utility model relates to the technical field of sofas, in particular to a tenon-and-mortise structure wood sofa capable of being quickly disassembled and assembled, which comprises a seat, a positioning hole is arranged on one side of the top end of the seat, a chair back piece is inserted in the positioning hole, a placing groove is arranged at the top of the seat, a sofa cushion is placed in the placing groove, and the sofa cushion is arranged in the placing groove. Extending parts are arranged at the four corners of the bottom of the chair seat, inner grooves are formed in the tops of the extending parts, supporting pieces extending into the inner grooves are connected to the bottoms of the extending parts in an inserted mode, and locking pieces matched with the top ends of the supporting pieces in a limiting and locking mode are slidably inserted into one sides of the extending parts. The supporting piece can be inserted into the inner groove in the top end of the extending part in a sliding mode, the top end of the supporting piece can be locked and limited through the locking piece, the supporting piece is prevented from being disengaged from the corner of the bottom of the chair seat, rapid assembly and replacement work of the supporting piece can be achieved, and later disassembly is also facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field, concretely is a mortise and tenon structure quick assembly and disassembly wooden sofa. BACKGROUND

[0002] At present, most of the wooden sofas on the market are of integral structure or assembled through connecting pieces such as bolts and nuts. The sofa of integral structure has the problem of large volume and inconvenient transportation during transportation and carrying, and the sofa assembled through connecting pieces such as bolts and nuts not only needs tools during installation, consumes time and energy, but also the connecting pieces are prone to loosening after long-term use, affecting the stability and service life of the sofa. As a traditional Chinese woodworking skill, the mortise and tenon structure has the advantages of stable structure and beauty, but the traditional mortise and tenon structure often needs certain skills and tools during disassembly and assembly, and it is difficult to realize quick assembly and disassembly. Therefore, it has important practical significance to design a wooden sofa which has the advantages of mortise and tenon structure and can realize quick assembly and disassembly. SUMMARY

[0003] The utility model aims at providing a mortise and tenon structure quick assembly and disassembly wooden sofa to solve the problems in the above background.

[0004] The technical scheme of the utility model is as follows: a mortise and tenon structure quick assembly and disassembly wooden sofa, comprising a seat, a positioning hole is formed in one side of the top end of the seat, a backrest piece is inserted into the positioning hole, a placing groove is formed in the top of the seat, a sofa cushion is placed in the placing groove, an extension part is arranged at each of the four corners of the bottom of the seat, an inner groove is formed in the top of the extension part, a support piece is inserted into the inner groove of the top of the extension part, and a locking piece is slidably inserted into one side of the extension part and is limited and locked at the top end of the support piece.

[0005] The effects of the above components are as follows: the backrest piece can be quickly assembled on the seat through the positioning hole, the sofa cushion can be placed and assembled in the placing groove, the support piece can be slidably inserted into the inner groove in the top of the extension part, the top end of the support piece is locked and limited by the locking piece, the support piece is prevented from being separated from the corner of the bottom of the seat, the quick assembly and disassembly of the support piece can be realized, and the disassembly in the later period is facilitated.

[0006] Preferably, the support piece comprises a support leg, a convex column is fixed at the top end of the support leg, the convex column is inserted into the inner groove, an annular limiting groove is formed in the outer wall of the convex column, and one end of the locking piece is slidably inserted into the limiting groove.

[0007] The effects of the above components are as follows: the seat bottom can be supported by the support leg after the limiting groove in the convex column and the locking piece are locked, and the assembly is facilitated.

[0008] Preferably, the locking member comprises a tongue sliding on the side wall of the extension, and an arc-shaped edge is formed at one end of the tongue and adapted to the limiting groove.

[0009] The effect achieved by the above components is that the arc-shaped edge is inserted into the limiting groove on the protruding column by pushing the tongue, thereby achieving the locking and limiting purpose of the top end of the supporting leg.

[0010] Preferably, an arc-shaped top groove is formed above the tongue at the top of the extension, limiting columns are arranged at both ends of the top groove, two first half holes are formed in the extension and extend to the bottom of the top groove, a second half hole is formed in the side wall of the tongue and adapted to the first half hole, and the limiting column is slidingly inserted between the first half hole and the second half hole.

[0011] The effect achieved by the above components is that the limiting column is inserted between the first half hole and the second half hole to form a circular hole, thereby limiting the tongue and further improving the locking stability of the tongue and the top end of the supporting leg to prevent shaking.

[0012] Preferably, the backrest member comprises a top strip, a plurality of groups of supporting rods are inserted into the bottom end of the top strip and are equidistantly distributed, and a positioning column adapted to the positioning hole is arranged at the bottom end of the supporting rod.

[0013] The effect achieved by the above components is that the top strip and the supporting rod can complete the quick installation work after the positioning column is inserted into the positioning hole.

[0014] Preferably, a plurality of equidistantly distributed supporting strips are clamped in the placing groove.

[0015] The effect achieved by the above components is that the supporting strips can support the bottom of the sofa cushion to improve the bearing capacity.

[0016] The utility model discloses an improved tenon and mortise structure quick dismounting wooden sofa, which has the following improvements and advantages compared with the prior art.

[0017] Firstly, the positioning hole can facilitate the user to quickly assemble the backrest member on the seat, the placing groove can place and assemble the sofa cushion, the supporting member can be slidingly inserted into the inner groove at the top end of the extension, the locking member can lock and limit the top end of the supporting member, prevent the supporting member from being separated from the corner at the bottom of the seat, and can realize the quick assembly and disassembly of the supporting member.

[0018] Secondly: the utility model discloses a convex tongue is pushed and makes that arc edge stretches into the limiting slot on convex column, realizes the locking and limiting purpose to the top of support leg, and the limiting column can be inserted in the round hole formed between first half -hole and second half -hole, and the limiting work is carried out to convex tongue, further improves the locking stability of convex tongue and the top of support leg, prevents the shaking. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in connection with the drawings and examples:

[0020] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Fig. 2 It is the assembly three-dimensional structure schematic diagram of the utility model;

[0022] Fig. 3 It is the assembly three-dimensional structure schematic diagram of support piece in the utility model.

[0023] Mark explanation:

[0024] 1, chair seat;2, place and put the groove;3, sofa pad;4, support piece;41, support leg;42, convex column;43, limiting slot;5, chair back piece;51, top strip;52, support rod;53, positioning column;6, extension;7, inner groove;8, locking piece;81, convex tongue;82, top groove;83, limiting column;84, first half -hole;85, arc edge;86, second half -hole;9, support strip;10, positioning hole. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings and examples:

[0026] The utility model discloses a kind of mortise and tenon structure quick disassembly wooden sofa by improvement, and the technical scheme of the utility model is:

[0027] In the embodiment of the utility model, Figs. 1-3As shown, a mortise and tenon structure quick disassembly wooden sofa, including chair seat 1, chair seat 1 top end one side is provided with positioning hole 10, positioning hole 10 is inserted with chair back piece 5, chair back piece 5 includes top strip 51, and the bottom end of top strip 51 is inserted with multiple groups of equidistant distribution support rod 52, and the bottom end of support rod 52 is provided with the positioning column 53 matched with positioning hole 10, and the quick installation work can be completed after the positioning column 53 is inserted into positioning hole 10 through top strip 51 and support rod 52, the top of chair seat 1 is provided with placing groove 2, and sofa cushion 3 is placed in placing groove 2, and a plurality of equidistant distribution supporting strips 9 are clamped in placing groove 2, and the bottom of sofa cushion 3 can be supported by supporting strip 9, and the bottom of chair seat 1 is provided with extension 6 at four corners, and the top of extension 6 is provided with inner groove 7, and the bottom of extension 6 is inserted with support piece 4 extending into inner groove 7, and support piece 4 includes support leg 41, and the top end of support leg 41 is fixed with convex column 42, and convex column 42 is inserted in inner groove 7, and the outer wall of convex column 42 is provided with annular limiting groove 43, and one end of locking piece 8 is slidably inserted in limiting groove 43, and the bottom of chair seat 1 can be supported after the limiting groove 43 on convex column 42 is locked with locking piece 8 through support leg 41, and one side of extension 6 is slidably inserted with locking piece 8 matched with the top end of support piece 4 for limiting locking, and the locking and limiting purposes of the top end of support leg 41 are realized by pushing tongue 81 so that arc-shaped edge 85 extends into limiting groove 43 on convex column 42, and the top of extension 6 is provided with arc-shaped top groove 82 above tongue 81, and limiting column 83 is arranged at both ends of top groove 82, and two first half holes 84 extending to the bottom of top groove 82 are formed in extension 6, and second half hole 86 matched with first half hole 84 is formed in the side wall of tongue 81, and limiting column 83 is slidably inserted between first half hole 84 and second half hole 86, and tongue 81 is limited by being inserted between first half hole 84 and second half hole 86 to form a circular hole, and the locking stability of tongue 81 and the top end of support leg 41 is further improved, and shaking is prevented.

[0028] The working principle of the mortise and tenon structure quick disassembly wooden sofa is as follows: the chair back piece 5 can be quickly assembled on the chair seat 1 through the positioning hole 10, the sofa cushion 3 can be placed and assembled in the placing groove 2, the support piece 4 can be slidably inserted in the inner groove 7 at the top end of the extension 6, the locking and limiting purposes of the top end of the support leg 41 are realized by pushing the tongue 81 so that the arc-shaped edge 85 extends into the limiting groove 43 on the convex column 42, the tongue 81 is limited by being inserted between the first half hole 84 and the second half hole 86 to form a circular hole, the locking stability of the tongue 81 and the top end of the support leg 41 is further improved, and shaking is prevented, and the quick assembly and disassembly purposes of the support piece 4 are realized.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-assembly and disassembly wooden sofa with mortise and tenon structure, comprising a seat (1), characterized in that: The chair seat (1) has a positioning hole (10) on one side of its top end. A chair back piece (5) is inserted into the positioning hole (10). The chair seat (1) has a placement groove (2) on its top end. A sofa cushion (3) is placed in the placement groove (2). The chair seat (1) has an extension part (6) at each of its four corners. The extension part (6) has an inner groove (7) on its top end. A support piece (4) extending into the inner groove (7) is inserted into the bottom end of the extension part (6). A locking piece (8) that is locked and limited at the top end of the support piece (4) is slidably inserted into one side of the extension part (6).

2. The mortise and tenon structure quick-assembly wooden sofa according to claim 1, characterized in that: The support member (4) includes a support leg (41), the top of the support leg (41) is fixed with a protruding post (42), the top of the protruding post (42) is inserted into the inner groove (7), the outer wall of the protruding post (42) is provided with an annular limiting groove (43), and one end of the locking member (8) is slidably inserted into the limiting groove (43).

3. A quick-assembly and disassembly wooden sofa with mortise and tenon structure according to claim 2, characterized in that: The locking member (8) includes a tongue (81) that slides on the side wall of the extension (6), and one end of the tongue (81) is provided with an arc-shaped edge (85) that matches the limiting groove (43).

4. A quick-assembly and disassembly wooden sofa with mortise and tenon structure according to claim 3, characterized in that: The top of the extension (6) is provided with an arc-shaped top groove (82) above the tongue (81). The top groove (82) is provided with limit posts (83) at both ends. The extension (6) has two first half holes (84) extending to the bottom of the top groove (82). The side wall of the tongue (81) is provided with a second half hole (86) that matches the first half hole (84). The limit post (83) slides between the first half hole (84) and the second half hole (86).

5. A quick-assembly and disassembly wooden sofa with mortise and tenon structure according to claim 1, characterized in that: The chair back piece (5) includes a top strip (51), and a plurality of equally spaced support rods (52) are inserted into the bottom end of the top strip (51). The bottom end of the support rod (52) is provided with a positioning post (53) that is adapted to the positioning hole (10).

6. A quick-assembly and disassembly wooden sofa with mortise and tenon structure according to claim 1, characterized in that: The placement slot (2) is fitted with multiple equally spaced support strips (9).

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