Auxiliary backrest turnover variable bed seat

Abstract

The utility model discloses an auxiliary backrest turnover variable bed seat, which relates to the field of vehicle seats, and comprises a main base cushion body, a main backrest support body is arranged on the top surface of the main base cushion body, a turnover hinge connector is fixedly arranged on the bottom surface of the main backrest support body, and a headrest is uniformly arranged on one side edge of the main backrest support body. A fixed back plate is fixedly arranged on one side edge of the main backrest supporting body, a turnover expansion plate is in butt joint with the side edge, away from the main backrest supporting body, of the fixed back plate, mounting hinge pieces are fixedly connected to the side edge of the fixed back plate and the side edge of the turnover expansion plate through bolts, turnover insertion columns are inserted into the side edges of the mounting hinge pieces, and the turnover expansion plate is in butt joint with the turnover insertion columns. Multi-directional installation, adjustment and use can be formed through installation, turnover and expansion operation in four directions, the use function of the chair is not affected by adopting a turnover storage structure, and meanwhile, the chair is more flexible and changeable to use under the split connection structure of the hinge.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle seats, in particular to a seat with a flip-over auxiliary backrest and a variable bed. Background Art

[0002] Car seats can be divided into split seats and long seats according to their shapes; they can be divided into fixed, detachable and adjustable types according to their functions; they can be divided into single, double and multi-person seats according to the number of passengers. According to the performance of the seats, they have developed from the earliest fixed seats to multi-functional power-adjustable seats, including air cushion seats, electric seats, stereo seats, mental recovery seats, and electronically adjustable seats. According to the material, they can be divided into leather seats and velvet seats, etc. There are also some seats for special users, such as child seats and racing seats.

[0003] In the RV seats, the dining table and storage rack needed for travel need to be installed separately. The space inside the RV is limited. In order to solve the problem that the table in the RV takes up a lot of space and cannot be stored reasonably, as well as the problem of rationalizing the installation position, the size and installation position of the table are restricted due to the inconsistent space inside different RVs. Utility Model Content

[0004] The purpose of the utility model is to provide a seat with a flip-up convertible bed with a secondary backrest, so as to solve the problem raised in the above-mentioned background technology that in an RV seat, a dining table and a storage rack need to be installed separately when traveling, and the space in the RV is limited. In order to solve the problem that the table in the RV occupies a large space and cannot be reasonably stored, as well as the problem of rationalizing the installation position, the size of the table top and the installation position are limited in view of the inconsistent space in different RVs.

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

[0006] A variable bed seat with a secondary backrest that can be flipped comprises a main base cushion body, a main back support body is arranged on the top surface of the main base cushion body, a flip hinge connector is fixedly arranged on the bottom surface of the main back support body, a headrest is evenly arranged on one side of the main back support body, a fixed back plate is fixedly arranged on one side of the main back support body, a flip expansion plate is butt-jointed with the fixed back plate on the side away from the main back support body, a mounting hinge piece is fixedly connected with the side bolts of the fixed back plate and the flip expansion plate, and a flip plug-in column is inserted into the side of the mounting hinge piece.

[0007] As a preferred embodiment of the present invention: the top surface of the main base cushion body is made of sponge pad material, and the main backrest support body is vertically arranged on one side of the top surface of the main base cushion body, and the main base cushion body and the main backrest support body are arranged in an L-shape with respect to each other.

[0008] As a preferred embodiment of the present invention: the flip hinge connector is horizontally fixedly arranged between the top surface of the main base cushion body and the bottom end of the main backrest support body, and the main backrest support body is fixedly connected to the top surface of the main base cushion body through the flip hinge connector.

[0009] As a preferred embodiment of the present utility model: the headrest is horizontally arranged in a straight line and arranged at the top end position of the side edge of the main backrest support body, and the headrest is connected to the main backrest support body through an insertion rod and arranged at the top surface socket position of the main backrest support body, and one side edge of the main backrest support body is provided with a sponge material that is consistent with the top surface of the main base cushion body.

[0010] As a preferred embodiment of the present invention: the fixed back panel is fixedly installed on one side of the main backrest support body away from the sponge body, the material of the flip expansion panel is consistent with the material of the fixed back panel, and the flip expansion panel and the fixed back panel are arranged in parallel in a superimposed manner.

[0011] As a preferred embodiment of the present utility model: the number of the installation hinge pieces is twelve, and the eight installation hinge pieces are fixedly arranged on the four sides of the fixed back panel near the corners, the four installation hinge pieces are symmetrically fixed in groups of two on the two adjacent sides of the flip expansion panel near the corners, one end of the flip plug-in column is fixedly inserted in the side sleeve holes of the four installation hinge pieces on the side of the flip expansion panel, and the other end of the flip plug-in column is correspondingly inserted in the side sleeve holes of the installation hinge pieces on the adjacent sides of the fixed back panel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is characterized in that the main base cushion body is fixedly installed and arranged at a designated position of the vehicle horizontally, and after the person sits on the top surface of the main base cushion body, the main backrest support body on the back can be used to form a chair shape through the main backrest support body on the back, and under the flipping operation of the flip hinge connecting body at the connecting position, the main backrest support body is flipped downward in the direction of the main base cushion body, and after the main backrest support body is flipped and horizontal, the fixed backboard of the back is in a horizontal state. When the fixed backboard needs to be expanded, the flip expansion board can be horizontally plugged into the side sleeve hole of the corresponding side installation hinge piece through one end of the side flip plug-in column, forming a flip expansion board installed and arranged at the side position of the fixed backboard, so that it forms a spliced ​​flat bed-like structure. The installation, flipping and expansion operations in four directions enable multi-directional installation and adjustment. The use function of the chair is not affected by the adoption of the flip storage structure, and the use is more flexible and changeable under the hinge split connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 A schematic diagram of the connection details of a three-dimensional chair with a flip-up and convertible backrest;

[0016] Figure 2 A schematic diagram of the structure of a three-dimensional chair flip connection details of a convertible bed seat with a flip backrest;

[0017] Figure 3 A schematic diagram of the structure of a chair with a flip-up convertible bed seat and front view connection details;

[0018] Figure 4 A schematic diagram of the structure of a chair with a flip-up convertible bed seat with a secondary backrest, viewed from above with connection details;

[0019] Figure 5 A schematic diagram of the structure of a chair with a flip-up convertible bed seat with a secondary backrest showing the connection details when folded;

[0020] Figure 6 A structural schematic diagram of the back connection details of a chair with a flip-up convertible bed seat;

[0021] Figure 7 A structural schematic diagram of a back panel direction and connection details of a variable bed seat with a flip-up auxiliary backrest;

[0022] Figure 8 It is a structural schematic diagram of the second connection details of the back panel of a flip-up variable bed seat with a secondary backrest;

[0023] Fig. 9 It is a structural schematic diagram of three connection details in the back panel direction of a variable bed seat with a flip-up auxiliary backrest;

[0024] Fig.10 The present invention is a structural schematic diagram of four connection details in the back panel direction of a variable bed seat with a flip-up auxiliary backrest.

[0025] In the figure: 1. Main base cushion body; 2. Main backrest support body; 3. Flip hinge connector; 4. Headrest; 5. Fixed back panel; 6. Flip expansion board; 7. Install hinge piece; 8. Flip plug-in column. DETAILED DESCRIPTION

[0026] See also Figure 1-10In the embodiment of the utility model, a secondary backrest flip-up variable bed chair comprises a main base cushion body 1, a main backrest support body 2 is arranged on the top surface of the main base cushion body 1, a sponge pad material is arranged on the top surface of the main base cushion body 1, and the main backrest support body 2 is vertically arranged on one side of the top surface of the main base cushion body 1, the main base cushion body 1 and the main backrest support body 2 are arranged in an L-shaped shape with each other, and a flip hinge connector 3 is fixedly arranged on the bottom surface of the main backrest support body 2, and the flip hinge connector 3 is horizontally fixedly arranged on the top of the main base cushion body 1 The main backrest support body 2 is fixedly connected to the top surface of the main base cushion body 1 by a flip hinge connector 3, and a headrest 4 is evenly arranged on one side of the main backrest support body 2. The headrest 4 is arranged horizontally in a straight line at the top of the side of the main backrest support body 2, and the headrest 4 is connected to the top surface of the main backrest support body 2 by a plug rod. One side of the main backrest support body 2 is provided with a sponge material that is consistent with the top surface of the main base cushion body 1. One side of the main backrest support body 2 A fixed back plate 5 is fixedly provided, and a flip expansion plate 6 is connected to the fixed back plate 5 on one side away from the main back support body 2. The fixed back plate 5 is fixedly installed on one side of the main back support body 2 away from the sponge body. The material of the flip expansion plate 6 is consistent with that of the fixed back plate 5, and the flip expansion plate 6 and the fixed back plate 5 are arranged in parallel in a superimposed manner. The fixed back plate 5 and the flip expansion plate 6 are fixedly connected by bolts on the sides with a mounting hinge piece 7, and a flip plug-in column 8 is plugged into the side of the mounting hinge piece 7. There are twelve mounting hinges 7, and eight mounting hinges 7 are fixedly arranged on the four sides of the fixed back panel 5 near the corners, four mounting hinges 7 are symmetrically fixed in groups of two on the two adjacent sides of the flip expansion panel 6 near the corners, one end of the flip plug-in column 8 is fixedly inserted in the side holes of the four mounting hinges 7 on the side of the flip expansion panel 6, and the other end of the flip plug-in column 8 is correspondingly inserted in the side holes of the mounting hinges 7 on the adjacent side of the fixed back panel 5.

[0027] The working principle of the utility model is:

[0028] The main base cushion body 1 is fixedly installed horizontally at a designated position of the vehicle. After a person sits on the top surface of the main base cushion body 1, the main backrest support body 2 on the back can be used to form a chair-like support. Under the flipping operation of the flip hinge connector 3 at the connecting position, the main backrest support body 2 is flipped downward toward the main base cushion body 1. After the main backrest support body 2 is flipped to a horizontal state, the fixed backboard 5 on the back is in a horizontal state. When it is necessary to expand the fixed backboard 5, the flip expansion plate 6 can be horizontally inserted into the side sleeve hole of the corresponding side installation hinge piece 7 through one end of the side flip plug-in column 8, forming a flip expansion plate 6 installed at the side position of the fixed backboard 5, so that it forms a spliced ​​flat bed-like structure. In addition to the hinge connection structure, it also includes other connection structures. The installation, flipping and expansion operations in four directions allow multi-directional installation and adjustment.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bed seat with a flip-over auxiliary backrest, comprising a main base cushion body (1), characterized in that: The top surface of the main base cushion body (1) is provided with a main backrest support body (2), the bottom surface of the main backrest support body (2) is fixedly provided with a flip hinge connecting body (3), one side edge of the main backrest support body (2) is evenly provided with a headrest (4), one side edge of the main backrest support body (2) is fixedly provided with a fixed back plate (5), the fixed back plate (5) is connected to a flip expansion plate (6) on the side away from the main backrest support body (2), the fixed back plate (5) and the flip expansion plate (6) are fixedly connected with a mounting hinge piece (7) by side bolts, and the side edge of the mounting hinge piece (7) is plugged with a flip plug column (8).

2. The seat with a foldable auxiliary backrest according to claim 1, characterized in that: The top surface of the main base cushion body (1) is made of a sponge pad material, and the main backrest support body (2) is vertically arranged on one side of the top surface of the main base cushion body (1), and the main base cushion body (1) and the main backrest support body (2) are arranged in an L-shape with respect to each other.

3. The variable bed seat with a flip-over auxiliary backrest according to claim 1, characterized in that: The flip hinge connector (3) is horizontally fixedly arranged between the top surface of the main base cushion body (1) and the bottom end of the main backrest support body (2), and the main backrest support body (2) is fixedly connected to the top surface of the main base cushion body (1) via the flip hinge connector (3).

4. The seat with a foldable auxiliary backrest according to claim 1, characterized in that: The headrest (4) is arranged horizontally in a straight line at the top end of the side of the main backrest support body (2), and the headrest (4) is connected to the top surface of the main backrest support body (2) through an insertion rod, and one side of the main backrest support body (2) is provided with a sponge material that is consistent with the top surface of the main base cushion body (1).

5. The seat with a foldable auxiliary backrest according to claim 1, characterized in that: The fixed back plate (5) is fixedly installed on a side edge of the main backrest support body (2) away from the sponge body, the material of the flip expansion plate (6) is consistent with the material of the fixed back plate (5), and the flip expansion plate (6) and the fixed back plate (5) are arranged in a superimposed and parallel manner.

6. The seat with a foldable auxiliary backrest according to claim 1, characterized in that: The number of the installation hinge pieces (7) is twelve, and eight installation hinge pieces (7) are fixedly arranged on the four sides of the fixed back plate (5) near the corners, and the four installation hinge pieces (7) are symmetrically fixedly arranged in pairs on the two adjacent sides of the flip expansion plate (6) near the corners, and one end of the flip plug-in column (8) is fixedly inserted in the side holes of the four installation hinge pieces (7) on the side of the flip expansion plate (6), and the other end of the flip plug-in column (8) is correspondingly inserted in the side holes of the installation hinge pieces (7) on the adjacent side of the fixed back plate (5).

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