Dual-purpose sofa with turnover structure

Abstract

The utility model discloses a dual-purpose sofa with a turnover structure, which comprises a steel frame, the steel frame is of a square steel frame structure, and the bottoms of four corners of the steel frame are fixedly connected with supporting legs; a seat cushion is installed on the surface of the steel frame, a rotating mechanism is arranged on the surface of the seat cushion, and the rotating mechanism comprises that a backrest is fixedly connected to one side of the surface of the seat cushion, a first back cushion is installed on the surface of the seat cushion, a second back cushion is connected to the tail end of the first back cushion, and cavities are formed in the first back cushion and the second back cushion in an embedded mode. According to the dual-purpose sofa with the overturning structure, the rotating mechanism is arranged, the armrests can continue to rotate, the length of the sofa is changed, the armrests are leveled, the armrests are rotated, the armrests drive sleeves to rotate on the surfaces of lead screws, the bottoms of the armrests rotate on the surfaces of seat cushions, the length of the seat cushions is adjusted, and the practicability of the dual-purpose sofa is improved; the handrails are in threaded connection, so that the handrails are fixed more stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field, concretely is a dual -purpose sofa with turnover structure. BACKGROUND

[0002] The sofa is a kind of multi-seat chair with soft cushion. It is a kind of soft furniture with spring or thick foam plastic backrest chair, and both sides have armrests. The dual-purpose sofa is a sofa design with multiple functions. It can be used as a common sofa to provide comfortable sitting and lying experience. It can also change its shape through specific structure or mechanism to show additional functions, such as expanding into a bed to provide temporary sleeping space when needed. The dual-purpose sofa can effectively save space and increase flexibility and convenience of use. However, the existing sofa is not convenient to turn over the armrest position of the device during use, which is relatively inconvenient to use. SUMMARY

[0003] The utility model aims at providing a dual-purpose sofa with turnover structure to solve the problem of inconvenience in turning over the armrest position of the device in the background technology and the inconvenience in use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dual-purpose sofa with turnover structure, comprising a steel frame, the steel frame is set as a square steel frame structure, and the four corners of the bottom of the steel frame are fixedly connected with legs;

[0005] A cushion is installed on the surface of the steel frame, a rotating mechanism is arranged on the surface of the cushion, and the rotating mechanism comprises: a backrest is fixedly connected to one side of the surface of the cushion, and a first back cushion is installed on the surface of the cushion, the end of the first back cushion is connected with a second back cushion, cavities are embedded in the interiors of the first back cushion and the second back cushion, a serpentine support rod is installed in the interior of the cavity, a lead screw is symmetrically installed on the surface of the cushion, a sleeve is installed on the surface of the lead screw, and an armrest is fixedly connected to the surface of the sleeve.

[0006] Preferably, the two sides of the cushion are set as inclined planes, and the inclined planes of the cushion are fixedly connected with lead screws.

[0007] The two inclined sides of the cushion can support the bottom of the armrest to prevent the armrest from falling.

[0008] Preferably, the backrest is set as a C-shaped structure, the two ends of the backrest are attached to one side of the armrest, and the two ends of the backrest are arranged in position corresponding to the inclined planes of the cushion.

[0009] The two ends of the backrest are connected with the armrest, and the armrest is at the same height as the backrest.

[0010] Preferably, the backrest is provided in a rounded structure, the armrest is provided in a rounded structure, and the armrests are symmetrically arranged on both sides of the cushion.

[0011] The rounded structure of the backrest can protect the user and improve the comfort of the sofa.

[0012] Preferably, the two ends of the serpentine support rod are respectively connected with the back cushion 1 and the back cushion 2, and one side of the back cushion 1 and the back cushion 2 is attached to the surface of the backrest.

[0013] The serpentine support rod can be bent to support the back cushion 1 and the back cushion 2.

[0014] Preferably, the inside of the sleeve is provided with a thread, and the sleeve and the screw rod are connected in a threaded connection.

[0015] The armrest is rotated to drive the sleeve to rotate on the surface of the screw rod.

[0016] Preferably, one side of the armrest is provided as an inclined plane, and the side of the armrest corresponds to the inclined plane position of the cushion, and the cushion and the armrest are connected in sliding connection.

[0017] The bottom inclined plane of the armrest corresponds to the inclined plane of the cushion, and the armrest can rotate on the surface of the cushion when the armrest is rotated.

[0018] Compared with the prior art, the two-way sofa with the turnover structure has the advantages that:

[0019] 1. The rotating mechanism is provided to continuously rotate the armrest, change the length of the sofa, adjust the armrest to be flat, rotate the armrest, drive the sleeve to rotate on the surface of the screw rod, rotate the bottom of the armrest on the surface of the cushion, adjust the length of the cushion, improve the practicability of the device, and the armrest is connected in a threaded connection to make the armrest more stable.

[0020] 2. The back cushion 1, the back cushion 2 and the serpentine support rod are provided, the back cushion 1 and the back cushion 2 are bent, the serpentine support rod is bent inside at this time, the serpentine support rod can support the back cushion 1 and the back cushion 2 at this time, the device is convenient to turn over and improve the comfort of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is a three-dimensional structure schematic diagram of the armrest installation of the utility model;

[0023] Figure 3The utility model discloses a screw rod installation three-dimensional structure schematic diagram;

[0024] Figure 4 The utility model discloses a serpentine support rod installation three-dimensional structure schematic diagram;

[0025] Figure 5 The utility model discloses a sleeve installation three-dimensional structure schematic diagram;

[0026] Figure 6 The utility model discloses a handrail unfolding installation three-dimensional structure schematic diagram.

[0027] In the drawing: 10, steel frame;20, support leg;30, cushion;

[0028] 40, backrest;401, back cushion one;402, back cushion two;403, cavity;404, serpentine support rod;501, screw rod;502, sleeve;503, handrail. Specific implementation

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides a technical scheme: a dual-purpose sofa with turnover structure, including steel frame 10, support leg 20, cushion 30, backrest 40, back cushion one 401, back cushion two 402, cavity 403, serpentine support rod 404, screw rod 501, sleeve 502 and handrail 503;

[0031] The dual-purpose sofa is convenient to turn over, and the specific implementation is:

[0032] The steel frame 10 is arranged as a square steel frame structure, and the four corners of the bottom of the steel frame 10 are fixedly connected with legs 20; a cushion 30 is mounted on the surface of the steel frame 10, and the surface of the cushion 30 is provided with a rotating mechanism, and the rotating mechanism comprises: a backrest 40 fixedly connected to one side of the surface of the cushion 30, and a first back cushion 401 mounted on the surface of the cushion 30, a second back cushion 402 connected to the end of the first back cushion 401, cavities 403 inlaid in the interiors of the first back cushion 401 and the second back cushion 402, and a serpentine support rod 404 mounted in the interiors of the cavities 403, and the surface of the cushion 30 is symmetrically provided with lead screws 501, the surface of the lead screws 501 is sleeved with sleeves 502, the surface of the sleeves 502 is fixedly connected with armrests 503, the two sides of the cushion 30 are arranged as inclined planes, the inclined planes of the cushion 30 are fixedly connected with the lead screws 501, the backrest 40 is arranged as a C-shaped structure, the two ends of the backrest 40 are in contact with one side of the armrests 503, the two ends of the backrest 40 are arranged in position correspondence with the inclined planes of the cushion 30, the backrest 40 is arranged as a rounded structure, the armrests 503 are arranged as rounded structures, the armrests 503 are symmetrically arranged on the two sides of the cushion 30, the two ends of the serpentine support rod 404 are respectively connected with the first back cushion 401 and the second back cushion 402, one side of the first back cushion 401 and the second back cushion 402 is in contact with the surface of the backrest 40, the interior of the sleeve 502 is provided with a screw thread, and the sleeve 502 and the lead screw 501 are in threaded connection, one side of the armrest 503 is arranged as an inclined plane, and the side of the armrest 503 is arranged in position correspondence with the inclined plane of the cushion 30, and the cushion 30 and the armrest 503 are in sliding connection.

[0033] Bending the first back cushion 401 and the second back cushion 402 can bend the first back cushion 401 and the second back cushion 402, at this time the first back cushion 401 and the second back cushion 402 can drive the serpentine support rod 404 in the interior to bend, at this time the serpentine support rod 404 can rotate, so that the serpentine support rod 404 supports the bending angle of the first back cushion 401 and the second back cushion 402, at this time the user can lie more comfortably on the surface of the first back cushion 401 and the second back cushion 402, at this time the backrest 40 can support the first back cushion 401 and the second back cushion 402;

[0034] Rotating the armrest 503, at this time the inclined plane of the bottom of the armrest 503 rotates on the inclined plane surface of the cushion 30, so that the armrest 503 drives the sleeve 502 to rotate, so that the sleeve 502 rotates along the surface of the lead screw 501, the connection of the lead screw 501 is more stable, so that the armrest 503 can rotate along the inclined plane surface of the cushion 30, at this time the armrest 503 rotates, so that the top of the armrest 503 is at the same level as the cushion 30;

[0035] Working principle: when the two-purpose sofa with the turnover structure is used, the serpentine support rod 404, the lead screw 501, the sleeve 502 and the armrest 503 are arranged to be turned over, thereby increasing the practicability of the whole.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A dual-purpose sofa provided with a turnover structure, comprising a steel frame (10), which is arranged as a square steel frame structure, and the four corners of the bottom of the steel frame (10) are fixedly connected with supporting legs (20); characterized in that A seat cushion (30) is mounted on the surface of the steel frame (10), and the surface of the seat cushion (30) is provided with a rotating mechanism, and the rotating mechanism comprises: a backrest (40) fixedly connected to one side of the surface of the seat cushion (30), and a back cushion I (401) mounted on the surface of the seat cushion (30), the end of the back cushion I (401) is connected with a back cushion II (402), the interiors of the back cushion I (401) and the back cushion II (402) are both inlaid with cavities (403), and a serpentine supporting rod (404) is mounted in the interior of the cavity (403), the surface of the seat cushion (30) is symmetrically mounted with a lead screw (501), the surface of the lead screw (501) is sleeved with a sleeve (502), and the surface of the sleeve (502) is fixedly connected with an armrest (503).

2. The dual-purpose sofa with a turnover structure according to claim 1, characterized in that: Both sides of the seat cushion (30) are arranged as inclined planes, and the lead screw (501) is fixedly connected to the inclined planes of the seat cushion (30).

3. The dual-purpose sofa with turnover structure according to claim 1, characterized in that: The backrest (40) is arranged as a C-shaped structure, the two side ends of the backrest (40) are in contact with one side of the armrest (503), and the two ends of the backrest (40) are arranged in position correspondence with the inclined planes of the seat cushion (30).

4. The dual-purpose sofa with turnover structure according to claim 1, characterized in that: The backrest (40) is arranged as a rounded structure, the armrest (503) is arranged as a rounded structure, and the armrest (503) is symmetrically arranged on both sides of the seat cushion (30).

5. The dual-purpose sofa with turnover structure according to claim 1, characterized in that: The two ends of the serpentine supporting rod (404) are respectively connected with the back cushion I (401) and the back cushion II (402), and one side of the back cushion I (401) and the back cushion II (402) is in contact with the surface of the backrest (40).

6. The dual-purpose sofa with turnover structure according to claim 1, characterized in that: The interior of the sleeve (502) is provided with threads, and the sleeve (502) and the lead screw (501) are threadedly connected.

7. The dual-purpose sofa with turnover structure according to claim 1, characterized in that: One side of the armrest (503) is arranged as an inclined plane, the side of the armrest (503) is arranged in position correspondence with the inclined planes of the seat cushion (30), and the seat cushion (30) and the armrest (503) are slidingly connected.

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