Assembled sofa

Abstract

The utility model relates to the technical field of sofas, in particular to an assembled sofa which comprises a central truss, tenons are integrally formed at the front end and the rear end of the central truss, the central truss is fixedly sleeved with an assembling plate through the tenons, notches are formed in the two ends of the assembling plate, an extension plate is slidably sleeved with the central truss, and the extension plate is fixedly sleeved with the central truss through the tenons. And the extension plate is integrally connected with a handrail side frame sleeved in the notch. The two assembling plates are symmetrically installed through the center truss with the two ends provided with the tenons, the center cavity, the transverse cavity and the side cavity which are sequentially communicated are formed in the armrest side frame, the clamping opening corresponding to the side cavity is formed in the bearing plate, and therefore the armrest side frame and the bearing plate can be connected and assembled through the pressurization sealing gasket, the driven sealing gasket and the clamping bolt. A limiting groove in which the loading cross frame is sleeved in a sliding manner is formed in the bearing plate, so that a sponge cushion can be conveniently placed, and a backrest with an inclined structure is mounted, so that a comfortable support is provided for the sofa.

Description

Technical Field

[0001] The utility model relates to the technical field of sofas, in particular to an assembled sofa. Background Art

[0002] Sofas have become essential furniture for many families. Generally, there are three types of sofas sold in the market: low-back sofas, high-back sofas, and ordinary sofas between the former two. Currently, there are two support points to support the lumbar vertebrae and thoracic vertebrae of the user, and the effect of a curved surface matching the back of the body can be obtained.

[0003] In order to ensure the structural strength, the existing sofas mostly adopt an integral fixed structure. For example, the integral sofa disclosed in the publication number CN209995732U has the bottom side of the main trunk flattened, and the bottom parts at both ends of the main trunk are respectively formed with supporting feet for supporting the entire main trunk. A bottom hollow cavity is also provided in a hollowed-out manner at the bottom of the main trunk between the two supporting feet. However, the overall structure of the sofa is fixed, resulting in a large volume, and there are irregular special-shaped structures in the formed state, which brings many inconveniences in the processes of packaging, transportation, and use, and increases the difficulty of packaging and transportation operations. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems of inconvenient handling, packaging, and use of the fixed sofas in the prior art, and to propose an assembled sofa.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An assembled sofa includes a central truss. Tenons are integrally formed at the front and rear ends of the central truss, and an assembly board is fixedly sleeved on the central truss through the tenons. Groove openings are formed at both ends of the assembly board. An extension board is slidably sleeved in the central truss, and an armrest side frame sleeved in the groove opening is integrally connected to the extension board. An assembly mechanism for connecting the assembly board is arranged on the armrest side frame corresponding to the groove opening, and a load-bearing board is integrally connected to the armrest side frame. A load-bearing cross frame is arranged on the load-bearing board, and a sponge cushion is placed on the load-bearing cross frame. A card slot is formed in the middle of the rear end of the assembly board, and a backrest is arranged on the assembly board through the card slot.

[0007] Preferably, a counterbore for fixing a hexagon bolt is formed at the end of the tenon.

[0008] Preferably, the two extension boards are symmetrically sleeved in the central truss.

[0009] Preferably, the assembling mechanism includes a central cavity, a transverse cavity and a side cavity which are sequentially formed in the armrest side frame, and a bayonet corresponding to the side cavity is formed in the assembling plate. A pressurizing gasket extending into one end of the transverse cavity is movably installed in the central cavity, and a driven gasket extending into the side cavity is slidably sleeved in the other end of the transverse cavity. A bolt corresponding to the bayonet is integrally connected to the outer end of the driven gasket, and a return spring welded to the bolt is fixedly installed in the side cavity.

[0010] Preferably, the central cavity, the transverse cavity and the side cavity are sequentially communicated, and hydraulic oil located between the pressurizing gasket and the driven gasket is filled in the central cavity, the transverse cavity and the side cavity.

[0011] Preferably, the return spring is sleeved on the driven gasket.

[0012] A limiting groove for slidably sleeving a load-bearing cross frame is formed in the load-bearing plate.

[0013] Compared with the prior art, the present utility model has the following advantages:

[0014] 1. The present utility model symmetrically installs two assembling plates by using a central truss with tenons at both ends, so as to form a frame structure that provides front-back symmetrical support for the overall sofa. At the same time, two centrally symmetrically arranged extension plates are sleeved in the central truss, so as to facilitate the setting of left-right symmetrically distributed armrest side frames.

[0015] 2. The present utility model uses the armrest side frame to install the load-bearing plate of the sofa, and an assembling mechanism is arranged between the armrest side frame and the load-bearing plate. Among them, a central cavity, a transverse cavity and a side cavity that are sequentially communicated are formed in the armrest side frame, and a bayonet corresponding to the side cavity is formed in the load-bearing plate, so as to realize the connection and assembly of the armrest side frame and the load-bearing plate by using a pressurizing gasket, a driven gasket and a bolt.

[0016] 3. The present utility model forms a limiting groove for slidably sleeving a load-bearing cross frame in the load-bearing plate, so as to facilitate the placement of a sponge soft pad, and provides a comfortable leaning support for the sofa by installing an inclined backrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of an assembled sofa proposed by the present utility model;

[0018] Figure 2 is a bottom view of an assembled sofa proposed by the present utility model;

[0019] Figure 3 is a front view of an assembled sofa proposed by the present utility model;

[0020] Figure 4 is a sectional view of an assembled sofa proposed by the present utility model;

[0021] Figure 5 An enlarged schematic view of part A of an assembled sofa proposed by the present utility model;

[0022] Figure 6 A side view of an assembled sofa proposed by the present utility model.

[0023] In the figure: 1, central truss; 2, tenon; 3, assembly plate; 4, notch; 5, extension plate; 6, armrest side frame; 7, assembly mechanism; 701, central cavity; 702, transverse cavity; 703, side cavity; 704, bayonet; 705, pressure - increasing gasket; 706, driven gasket; 707, bolt; 708, return spring; 8, load - bearing plate; 9, limit groove; 10, load - bearing cross - frame; 11, sponge cushion; 12, card slot; 13, backrest. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0025] Refer to Figures 1-6 , an assembled sofa, including a central truss 1. Tenons 2 are integrally formed at the front and rear ends of the central truss 1, and the central truss 1 is fixedly sleeved with an assembly plate 3 through the tenons 2. The two assembly plates 3 are symmetrically distributed front and back.

[0026] First, notches 4 are opened at both ends of the assembly plate 3. An extension plate 5 is slidably sleeved in the central truss 1. The number of the extension plates 5 is two, and the two extension plates 5 are symmetrically sleeved in the central truss 1. An armrest side frame 6 sleeved in the notch 4 is integrally connected to the extension plate 5, and the two armrest side frames 6 are symmetrically distributed left and right.

[0027] Secondly, an assembly mechanism 7 for connecting the assembly plate 3 is arranged on the armrest side frame 6 corresponding to the notch 4, and a load - bearing plate 8 is integrally connected to the armrest side frame 6. Specifically, refer to the attached Figure 4 And the attached Figure 5, the assembly mechanism 7 includes a central cavity 701, a transverse cavity 702 and a side cavity 703 that are successively formed in the armrest side frame 6, and a bayonet 704 corresponding to the side cavity 703 is formed in the assembly plate 3. A pressure-increasing gasket 705 extending into one end of the transverse cavity 702 is movably installed in the central cavity 701, and a driven gasket 706 extending into the side cavity 703 is slidably sleeved in the other end of the transverse cavity 702. It should be noted that under the action of gravity, the hydraulic oil is located in the central cavity 701. When the pressure-increasing gasket 705 is screwed into the central cavity 701, the driven gasket 706 is extruded by the hydraulic oil. A bolt 707 corresponding to the bayonet 704 is integrally connected to the outer end of the driven gasket 706, and a return spring 708 welded to the bolt 707 is fixedly installed in the side cavity 703. The return spring 708 is a tension spring, and the return spring 708 is sleeved on the driven gasket 706, so that the driven gasket 706 maintains a tendency to contract into the side cavity 703 during the process of no pressure-increasing of the pressure-increasing gasket 705.

[0028] Then, a load-bearing cross frame 10 is arranged on the load-bearing plate 8, and a sponge soft pad 11 is placed on the load-bearing cross frame 10. The load-bearing cross frame 10 is located on the central truss 1 and the extension plate 5 to provide a supporting effect for the sponge soft pad 11.

[0029] Finally, a card slot 12 is formed in the rear end of the assembly plate 3, and a backrest 13 is arranged on the assembly plate 3 through the card slot 12. The backrest 13 is of an inclined cutting surface structure to improve the comfort of leaning.

[0030] A counterbore for fixing a hexagonal bolt is formed at the end of the tenon head 2, so as to limit and fix the assembly plate 3 sleeved on the tenon head 2.

[0031] Specifically refer to the attached instructions Figure 4 , the central cavity 701, the transverse cavity 702 and the side cavity 703 are successively communicated, and hydraulic oil located between the pressure-increasing gasket 705 and the driven gasket 706 is filled in the central cavity 701, the transverse cavity 702 and the side cavity 703. The pressure-increasing gasket 705 is threadedly installed in the central cavity 701, and the position of the driven gasket 706 can be limited when screwed to an appropriate degree.

[0032] A limiting groove 9 for slidably sleeving the load-bearing cross frame 10 is formed in the load-bearing plate 8 to horizontally arrange the load-bearing cross frame 10.

[0033] It should be noted that the specific model and specification of the load-bearing plate 8 need to be selected according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be elaborated.

[0034] The functional principle of the present utility model can be described by the following operation method:

[0035] Place two assembled plates 3 on the two tenons 2 of the central truss 1, and then use hexagon bolts for limit fixation;

[0036] Place the armrest side frame 6 on the assembled plate 3 through the load-bearing plate 8 in the notch 4, screw the pressurizing gasket 705 into the central cavity 701, the pressurizing gasket 705 presses the driven gasket 706 through hydraulic oil, and the driven gasket 706 drives the bolt 707 to extend into the bayonet 704 until the two are snap-connected;

[0037] Horizontally place the load-bearing cross frame 10 in the limit groove 9, and place the sponge soft pad 11 on the load-bearing cross frame 10;

[0038] Vertically install the backrest 13 through the card slot 12.

[0039] The above is only the preferred specific implementation mode of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. An assembled sofa, comprising a central truss (1), characterized in that, Tenon heads (2) are integrally formed at the front and rear ends of the central truss (1), and an assembly plate (3) is fixedly sleeved on the central truss (1) through the tenon heads (2). Notches (4) are formed at both ends of the assembly plate (3). An extension plate (5) is slidably sleeved in the central truss (1), and an armrest side frame (6) sleeved in the notch (4) is integrally connected to the extension plate (5). An assembly mechanism (7) corresponding to the notch (4) is arranged on the armrest side frame (6) for connecting the assembly plate (3), and a load-bearing plate (8) is integrally connected to the armrest side frame (6). A load-bearing cross frame (10) is arranged on the load-bearing plate (8), and a sponge cushion (11) is placed on the load-bearing cross frame (10). A clamping groove (12) is formed in the rear end of the assembly plate (3), and a backrest (13) is arranged on the assembly plate (3) through the clamping groove (12).

2. The assembled sofa according to claim 1, wherein A counterbore for fixing a hexagon bolt is formed at the end of the tenon head (2).

3. The assembled sofa according to claim 1, characterized in that, The two extension plates (5) are symmetrically sleeved in the central truss (1) with respect to the center.

4. The assembled sofa according to claim 1, wherein, The assembly mechanism (7) includes a central cavity (701), a transverse cavity (702) and a side cavity (703) sequentially formed in the armrest side frame (6), and a bayonet (704) corresponding to the side cavity (703) is formed in the assembly plate (3). A pressurizing gasket (705) extending into one end of the transverse cavity (702) is movably installed in the central cavity (701), and a driven gasket (706) extending into the side cavity (703) is slidably sleeved in the other end of the transverse cavity (702). A bolt (707) corresponding to the bayonet (704) is integrally connected to the outer end of the driven gasket (706), and a return spring (708) welded to the bolt (707) is fixedly installed in the side cavity (703).

5. The assembled sofa according to claim 4, characterized in that, The central cavity (701), the transverse cavity (702) and the side cavity (703) are sequentially communicated, and hydraulic oil located between the pressurizing gasket (705) and the driven gasket (706) is filled in the central cavity (701), the transverse cavity (702) and the side cavity (703).

6. The assembled sofa according to claim 4, wherein The return spring (708) is sleeved on the driven gasket (706).

7. The assembled sofa according to claim 1, characterized in that, A limiting groove (9) for slidably sleeving the load-bearing cross frame (10) is formed in the load-bearing plate (8).

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