CN217771878U - Extensible sofa - Google Patents

Abstract

The present application relates to the technical field of sofas, and in particular to an expandable sofa, which includes: a base, a chair back, armrests and outriggers, the chair back is connected to the base, and the armrests include oppositely arranged first side armrests and The second side armrest, the first side armrest connects the chair back and the base; the base includes: a bottom frame and a foldable seat, the foldable seat is foldably accommodated in the bottom frame, the The foldable seat board includes a first seat board and a second seat board which are engaged sequentially, the first seat board is slidably engaged with the bottom frame, and the end of the second seat board far away from the first side armrest is connected to the Second side armrest. The present application can meet the user's flexible requirements on the length of the sofa and improve the user's experience.

Description

extendable sofa

technical field

The present application relates to the technical field of sofas, in particular to an expandable sofa.

Background technique

In people's daily life, the sofa has become a very common piece of furniture. The existing sofa includes a seat board and a backrest fixedly arranged on one side of the seat board. To meet the needs of people's daily rest.

At present, most users live in relatively small rooms, and they prefer short sofas in terms of purchasing demand for sofas. However, when multiple people need to sit and lie down, short sofas cannot be stretched and cannot meet the needs of users. If you buy a long sofa, it takes up a lot of space and cannot be freely contracted into a short sofa.

Utility model content

In order to meet the user's flexible requirements for the length of the sofa and improve the user's sense of experience, this application provides an expandable sofa, which adopts the following technical solutions:

An expandable sofa, comprising: a base, a chair back, armrests and outriggers, the chair back is connected to the base, the armrests include oppositely arranged first side armrests and second side armrests, the first side armrests are connected to The chair back and the base; the base includes: a bottom frame and a foldable seat, the foldable seat is foldably accommodated in the bottom frame, and the foldable seat includes first A seat board and a second seat board, the first seat board is slidably engaged with the bottom frame, and the end of the second seat board away from the first side armrest is connected to the second side armrest.

By adopting the above-mentioned technical solution, by setting the foldable folding seat board, the contraction and expansion of the sofa seat can be realized, so as to meet the user's flexible demand for the length of the sofa and improve the user's use experience.

Optionally, the end of the floor frame far away from the first side armrest is provided with a first baffle plate that engages with the first seat; the end of the floor frame that engages with the first seat is provided with a matching The first locking edge of the first baffle to be clamped; the end of the first seat away from the bottom frame is provided with a second baffle; the first seat is clamped to the second seat One end of the second baffle plate is provided with a second locking edge that is engaged with the second baffle plate.

By adopting the above-mentioned technical scheme, by setting the first baffle plate and the first card convex edge, the second baffle plate and the second card convex edge that are engaged with each other, it can be ensured that the user manually pulls the second seat plate to drive the first seat plate When expanding, the second seat board and the first seat board limit each other to avoid excessive movement.

Optionally, one end of the first baffle is rotatably fixed on the bottom frame, and the bottom frame is provided with a first engaging member for engaging the other end of the first baffle; One end of the second baffle is rotatably fixed on the first seat, and the first seat is provided with a second engaging member for engaging the second baffle.

By adopting the above technical solution, by setting the first baffle plate and the first engaging piece, the second baffle plate and the second engaging piece that are engaged with each other, it is convenient for the user to disassemble the first seat plate and the second seat plate, Assemble.

Optionally, an expandable sofa further includes: a support plate assembly, the support plate assembly is arranged on the side of the first side armrest away from the second side armrest, and the support plate assembly includes a The inclined air cylinder inside and outside the first side armrest, the first movable link, and the support plate, the piston rod of the cylinder is connected to the support plate through the first movable link.

By adopting the above technical solution and setting the support plate assembly, it is convenient for the user to raise and lower the support plate for support when the item needs to be placed, and to recycle the support plate when not needed, without occupying space, so as to increase the user experience.

Optionally, one end of the support plate is hinged to the first side armrest.

By adopting the above technical solution, the stability of the support plate can be ensured when one end of the support plate is hinged to the first side armrest.

Optionally, a support assembly is provided on the second seat, and the support assembly includes a support and a second movable link, and the support is connected to the second seat through the second movable link. plate.

By adopting the above technical solution, the support of the second seat board can be realized by setting the support member, and the folding of the support member can be facilitated by setting the second movable connection member, so as to facilitate the storage of the second seat board into the bottom frame.

Optionally, an accommodating groove for accommodating the support member is provided on the second seat plate.

By adopting the above-mentioned technical solution, by providing accommodating grooves on the first seat board and the second seat board, it is possible to facilitate the accommodation of the support member, and facilitate the storage and support of the first seat board and the second seat board.

In summary, the present application includes at least one of the following beneficial technical effects:

1. By setting a foldable folding seat board, the contraction and expansion of the sofa seat can be realized, so as to meet the user's flexible demand for the length of the sofa and improve the user's use experience.

2. By setting the first baffle plate and the first card convex edge, the second baffle plate and the second card convex edge that cooperate with each other, it can be ensured that when the user manually pulls the second seat plate to drive the first seat plate to expand, the second seat plate The second seat board and the first seat board limit each other to avoid excessive movement.

3. By arranging the first baffle plate and the first engaging part, the second baffle plate and the second engaging part which are engaged with each other, it is convenient for the user to disassemble and assemble the first seat board and the second seat board.

Description of drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of an expandable sofa disclosed in an embodiment of the present application;

Fig. 2 is a schematic diagram of the three-dimensional structure of an expandable sofa disclosed in the embodiment of the present application;

Fig. 3 is a schematic cross-sectional structure diagram of an expandable sofa shown in Fig. 1;

FIG. 4 is a schematic bottom view of the expandable sofa shown in FIG. 1 .

Explanation of reference signs:

10. Base; 11. Bottom plate frame; 111. First baffle; 112. First card convex edge; 113. First engaging piece; 12. Folding seat plate; 121. First seat plate; 1211. Second block plate; 1212, the second card convex edge; 1213, the second engaging piece; 122, the second seat plate; 1221, the support piece; 1222, the second movable connecting piece; 1223, the accommodation groove; , armrest; 31, first side armrest; 32, second side armrest; 40, outrigger; 50, support plate assembly; 51, cylinder; 52, first movable connector; 53, support plate.

Detailed ways

The following is a further detailed description of the present application.

The embodiment of the present application discloses an expandable sofa. 1 and 2, the expandable sofa includes a base 10, a chair back 20, an armrest 30 and legs 40, the chair back 20 is connected to the base 10, and the armrest 30 includes a first side armrest 31 and a second side armrest 32 oppositely arranged. , the first side armrest 31 connects the seat back 20 and the base 10 to provide comfort for the user; the base 10 includes a base frame 11 and a foldable seat 12, the foldable seat 12 is foldably accommodated in the base frame 11, and the foldable seat 12 includes a first seat board 121 and a second seat board 122 which are engaged sequentially. The first seat board 121 slides and engages with the floor frame 11. The end of the second seat board 122 away from the first side armrest 31 is connected to the second side armrest 32. Wherein, when the sofa needs to be expanded, the user can pull the first seat board 121 and the second seat board 122 out of the bottom frame 11 by pulling the second side armrest 32 in turn; The side armrests 32 sequentially drive the first seat board 121 and the second seat board 122 to be stored in the floor frame 11. Of course, only one of the first seat board 121 and the second seat board 122 can be accommodated, which is convenient for users to flexibly Extend the length of the sofa.

Referring to Fig. 2 and Fig. 3, the end of the floor frame 11 away from the first side armrest 31 is provided with a first baffle plate 111 snapped to the first seat 121, and the end of the floor frame 11 snapped to the first seat 121 is provided with a matching second A baffle plate 111 is engaged with the first engaging convex edge 112 to realize the engaging of the first seat plate 121 and the floor frame 11, which can prevent the first seat plate 121 from falling out of the floor frame 11 due to external force; and, in the first The end of the seat plate 121 away from the bottom frame 11 is provided with a second baffle 1211, and the end of the first seat 121 that is connected to the second seat 122 is provided with a second locking edge 1212 that is engaged with the second baffle 1211. Realizing the engagement of the first seat board 121 and the second seat board 122 can prevent the second seat board 122 from coming out of the first seat board 121 , thereby ensuring the normal expansion of the sofa.

Further, in order to facilitate the disassembly and assembly of the sofa, referring to FIG. 2, in this embodiment, one end of the first baffle 111 is set to be rotatably fixed on the bottom frame 11, and the bottom frame 11 is provided with a first The first engaging member 113 engaged with the other end of the baffle plate 111 is used to engage the first baffle plate 111 and cooperate with the first baffle plate 111 to limit the position of the first seat plate 121; the second baffle plate 1211 One end is set to be rotatably fixed on the first seat 121, and the first seat 121 is provided with a second engaging member 1213 for engaging the second baffle 1211, for engaging the second baffle 1211, And cooperate with the second baffle plate 1211 to realize the position limitation of the second seat plate 122 .

Further, in order to increase the function of the sofa and improve the user experience, referring to Figures 2 and 3, the expandable sofa is also provided with a support plate assembly 50, and the support plate assembly 50 is arranged on the first side of the armrest 31 away from the second side On one side of the armrest 32, the support plate assembly 50 includes an inclined cylinder 51 fixed in the first side armrest 31 and exposed, a first movable link 52, and a support plate 53. The piston rod of the cylinder 51 passes through the first movable link. 52 is connected to the support plate 53, which is convenient for the user to lift the support plate 53 to support when the item needs to be placed, and to recycle the support plate 53 when it is not needed, without taking up space, so as to increase the user's experience.

Wherein, the setting of the inclination of the cylinder 51 is, for example, 45 degrees to realize the turning over of the support plate 53, and then it is convenient for the user to place tea or other items; Among them, the inclination of the cylinder 51 and the structure of the first movable connecting member 52 are not limited, as long as the same function can be realized.

In addition, in order to ensure the stability of the support plate 53 when supporting, referring to FIG. 1 , in this embodiment, one end of the support plate 53 is configured to be hinged to the first side armrest 31 .

Further, in order to support the second seat 122, referring to FIG. 3, a support assembly is provided on the second seat 122, the support assembly includes a support 1221 and a second movable connection 1222, and the support 1221 passes through The second movable connection part 1222 is connected to the second seat board 122 , and the setting of the second movable connection part 1222 can facilitate the folding of the support part 1221 so as to facilitate the storage of the second seat board 122 .

In addition, it is worth mentioning that, in order to prevent the support member 1221 from affecting the storage of the second seat board 122 after being folded, referring to Fig. 3 and Fig. 4 , the second seat board 122 is provided with a support for receiving the folded The accommodating groove 1223 of the piece 1221.

To sum up, the expandable sofa disclosed in the embodiment of the present application can realize the contraction and expansion of the sofa seat by setting the foldable folding seat board 12, so as to meet the user's flexible demand for the sofa length and improve the The user's sense of use experience; by setting the first baffle plate 111 and the first card convex edge 112, the second baffle plate 1211 and the second card convex edge 1212 that are engaged with each other, it can ensure that the user can manually pull the second seat plate 122 When the first seat plate 121 is driven to expand, the second seat plate 122 and the first seat plate 121 limit each other to avoid excessive movement; The plate 1211 and the second engaging part 1213 can facilitate the user to disassemble and assemble the first seat plate 121 and the second seat plate 122; by setting the support plate assembly 50, it is convenient for the user to lift the support plate 53 when placing items. For support, the support plate 53 is recycled when not in use, and does not take up space, so as to increase the user's experience.

All of the above are preferred embodiments of the present application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape and principle of the application should be covered by the protection scope of the application. Inside.

Claims (7)

1. An expandable sofa, characterized in that it comprises: a base (10), a chair back (20), armrests (30) and outriggers (40), the chair back (20) is connected to the base (10 ), the armrest (30) includes a first side armrest (31) and a second side armrest (32) oppositely arranged, and the first side armrest (31) connects the chair back (20) and the base (10) ; The base (10) includes: a base frame (11) and a foldable seat (12), the foldable seat (12) is foldably accommodated in the base frame (11), and the foldable seat ( 12) It includes the first seat board (121) and the second seat board (122) which are engaged sequentially, the first seat board (121) slides and engages the bottom frame (11), and the second seat board ( 122) An end away from the first side armrest (31) is connected to the second side armrest (32). 2. An expandable sofa according to claim 1, characterized in that, the end of the bottom frame (11) far away from the first side armrest (31) is provided with a snap-on connection to the first seat board ( 121) the first baffle (111); The first seat plate (121) at one end of the clamping connection of the bottom frame (11) is provided with a first clamping convex edge (112) that cooperates with the first baffle plate (111) for clamping connection; A second baffle (1211) is provided at an end of the first seat (121) away from the bottom frame (11); One end of the first seat plate (121) clamped to the second seat plate (122) is provided with a second clamping convex edge (1212) matched with the second baffle plate (1211) to be clamped. 3. The expandable sofa according to claim 2, characterized in that, one end of the first baffle (111) is rotatably fixed on the bottom frame (11), and the bottom frame ( 11) A first engaging member (113) for engaging the other end of the first baffle (111) is provided on the top; One end of the second baffle (1211) is rotatably fixed on the first seat (121), and the first seat (121) is provided with a combined second engaging member (1213). 4. The expandable sofa according to claim 1, further comprising: a support plate assembly (50), the support plate assembly (50) is arranged at a distance from the first side armrest (31) On one side of the second side armrest (32), the support plate assembly (50) includes an inclined cylinder (51) fixed inside the first side armrest (31) and exposed, a first movable connection (52), a support plate (53), the piston rod of the cylinder (51) is connected to the support plate (53) via the first movable connection piece (52). 5. The expandable sofa according to claim 4, characterized in that one end of the support plate (53) is hinged to the first side armrest (31). 6. The expandable sofa according to claim 1, characterized in that, a support assembly is provided on the second seat (122), and the support assembly includes a support (1221) and a second A movable connection part (1222), the support part (1221) is connected to the second seat board (122) through the second movable connection part (1222). 7. The expandable sofa according to claim 6, characterized in that, the second seat board (122) is provided with an accommodating groove (1223) for accommodating the support member (1221).

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