CN217792205U

CN217792205U - Sofa with flexible folding function

Info

Publication number: CN217792205U
Application number: CN202222124096.5U
Authority: CN
Inventors: 张海林
Original assignee: Foshan Shunde Qihui Furniture Co ltd
Current assignee: Foshan Shunde Qihui Furniture Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-15
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to the technical field of furniture, in particular to a sofa with a telescopic folding function, which comprises a sofa underframe and a backrest frame which are arranged in front and back; the sofa plate telescopic component and the telescopic driving component are mounted on the sofa underframe, and the telescopic driving component is used for driving the sofa plate telescopic component; the sofa plate telescopic assembly comprises a lengthened plate, a sofa bottom plate, a sliding rail, a pulley, a connecting block, a first hinge structure, a second hinge structure, a sliding frame and a sliding way; two ends of the first hinge structure are hinged to the sofa underframe and the lengthened plate respectively; two ends of the second hinge structure are respectively hinged to the lengthening plate and the sofa bottom plate, the sliding rails are respectively installed on the inner walls of two sides of the sofa underframe, the pulleys are installed in the sliding rails in a sliding mode, and the connecting blocks are connected to the pulleys and the sofa bottom plate; the slide is installed in the middle of the sofa bottom frame, the sliding frame is installed below the sofa bottom plate, and the sliding frame is installed on the slide in a sliding mode. The utility model discloses can realize the function of automatic folding sofa, alleviate manual operation's intensity of labour.

Description

Sofa with flexible folding function

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a sofa with flexible folding function.

Background

The sofa is one of the most common furniture in the family, however, the common sofa function on the market is too single, the usable floor area of sofa can not be adjusted in a flexible way, although there is foldable sofa in the existing market, there are folding hard, troublesome operation, and whole journey needs to be carried out manually, the process is wasted time and energy, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sofa with flexible folding function can realize the function of automatic folding sofa, alleviates manual operation's intensity of labour.

To achieve the purpose, the utility model adopts the following technical proposal:

a sofa with a telescopic folding function comprises a sofa underframe and a backrest frame, wherein the sofa underframe and the backrest frame are arranged in front and at back;

the sofa bottom frame is provided with a sofa plate telescopic component and a telescopic driving component, and the telescopic driving component is used for driving the sofa plate telescopic component;

the sofa plate telescopic assembly comprises a lengthened plate, a sofa bottom plate, a sliding rail, a pulley, a connecting block, a first hinge structure, a second hinge structure, a sliding frame and a sliding way;

two ends of the first hinge structure are hinged to the sofa underframe and the lengthened plate respectively;

two ends of the second hinge structure are respectively hinged with the lengthened plate and the sofa bottom plate,

the sliding rails are respectively installed on the inner walls of the two sides of the sofa bottom frame, the pulleys are installed in the sliding rails in a sliding mode, and the connecting blocks are connected to the pulleys and the sofa bottom plate;

the slide is installed the intermediate position of sofa chassis, the carriage is installed the below of sofa bottom plate, carriage slidable mounting in the slide.

Preferably, the telescopic driving assembly comprises a driver, a transmission shaft, a gear and a rack;

the rack is installed below the sofa bottom plate, the driver is installed on the sofa bottom frame, the output end of the driver is the transmission shaft, the transmission shaft is sleeved with the gear, and the gear is meshed with the rack.

Preferably, the first hinge structure and the second hinge structure both comprise a swinging support rod and two swinging hinged bases;

two ends of the swing supporting rod are respectively hinged to one end of each of the two swing hinged seats, and the other end of each swing hinged seat is respectively fixed to the sofa bottom frame or the lengthened plate or the sofa bottom plate.

Preferably, support legs are arranged below the sofa underframe and the backrest frame.

Preferably, an auxiliary wheel is further arranged below the sofa underframe.

Preferably, the sofa underframe is provided with an auxiliary armrest.

Preferably, the sofa bottom plate, the lengthened plate and the backrest frame are all provided with sofa cushions.

One of the above technical solutions has the following beneficial effects: cooperate through flexible subassembly of sofa board and flexible drive assembly, can make the sofa carry out automatic flexible regulation, need not manually and fold, and flexible process is quick and succinct, and labour saving and time saving realizes the intelligent extension to the sofa.

Drawings

Fig. 1 is a schematic top view of the sofa with the telescopic folding function of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view of the sofa of FIG. 1A-A in an extended position;

FIG. 3 isbase:Sub>A schematic sectional view of the sofa inbase:Sub>A collapsed state A-A of FIG. 1;

FIG. 4 is a schematic cross-sectional view B-B of FIG. 1;

in the drawings: the sofa comprises a sofa underframe 1, a backrest frame 2, an extension plate 3, a sofa bottom plate 4, a sliding rail 5, a pulley 6, a connecting block 7, a swinging hinged support 8, a swinging support rod 9, a sliding frame 10, a slide rail 11, a driver 12, a transmission shaft 13, a gear 14, a rack 15, a support leg 16, an auxiliary wheel 17, an auxiliary armrest 18, a sofa cushion 19, a first hinge structure 80 and a second hinge structure 90.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a sofa with a telescopic folding function comprises a sofa underframe 1 and a backrest frame 2, wherein the sofa underframe 1 and the backrest frame 2 are arranged in a front-back manner;

the sofa underframe 1 is provided with a sofa plate telescopic component and a telescopic driving component, and the telescopic driving component is used for driving the sofa plate telescopic component;

the sofa plate telescopic assembly comprises a lengthened plate 3, a sofa bottom plate 4, a sliding rail 5, a pulley 6, a connecting block 7, a first hinge structure 80, a second hinge structure 90, a sliding frame 10 and a sliding way 11;

two ends of the first hinge structure 80 are respectively hinged to the sofa underframe 1 and the lengthened plate 3;

the two ends of the second hinge structure 90 are respectively hinged to the extension plate 3 and the sofa bottom plate 4,

the sliding rails 5 are respectively installed on the inner walls of the two sides of the sofa underframe 1, the pulleys 6 are slidably installed in the sliding rails 5, and the connecting blocks 7 are connected to the pulleys 6 and the sofa bottom plate 4;

slide 11 installs the intermediate position of sofa chassis 1, carriage 10 is installed the below of sofa bottom plate 4, carriage 10 slidable mounting in slide 11.

It should be noted that, when the retractable driving assembly starts to drive the retractable assembly of the sofa board to retract, the sofa bottom board 4 is guided to move through the pulley 6, the slide rail 5, the sliding frame 10 and the slide rail 11, and the extension board 3 is moved by combining the mutual cooperation of the first hinge structure 80 and the second hinge structure 90, so that the extension board 3 is obliquely turned over and enters the backrest frame 2 to be stored, and when the extension board is extended, the extension board 3 is also turned over to return to the original position and pulled out of the backrest frame 2 through the above process.

This application cooperatees through flexible subassembly of sofa board and flexible drive assembly, can make the sofa carry out automatic flexible regulation, need not manually and folds, and flexible process is quick and succinct, labour saving and time saving realizes the intelligent extension to the sofa.

To be further explained, the telescopic driving assembly comprises a driver 12, a transmission shaft 13, a gear 14 and a rack 15;

the rack 15 is installed below the sofa bottom plate 4, the driver 12 is installed on the sofa bottom frame 1, the output end of the driver 12 is the transmission shaft 13, the transmission shaft 13 is sleeved with the gear 14, and the gear 14 is meshed with the rack 15.

It should be noted that, when stretching starts, the driver 12 drives the transmission shaft 13 to rotate, so that the gear 14 rotates, and the gear 14 is matched with the rack 15 to drive the sofa bottom plate 4 to move inwards or outwards, thereby realizing automatic stretching driving.

To illustrate further, the first hinge structure 80 and the second hinge structure 90 each include a swing support rod 9 and two swing hinge bases 8;

two ends of the swing supporting rod 9 are respectively hinged to one end of each of the two swing hinged seats 8, and the other end of each of the swing hinged seats 8 is respectively fixed to the sofa underframe 1 or the lengthened plate 3 or the sofa bottom plate 4.

It should be noted that, through the swing bracing piece 9 that sets up, can realize the articulated between two swing free bearings 8 to accomplish the sofa and realize extension plate 3 slope flip effect at the shrink in-process, first hinge structure 80 and second hinge structure 90 overall structure are simple simultaneously, low cost, and when connecting, it is convenient to connect, and it is convenient to install.

In a further description, support legs 16 are arranged below the sofa underframe 1 and the backrest frame 2. It should be noted that the support legs 16 are used to provide a firm support for the sofa.

In further detail, an auxiliary wheel 17 is further arranged below the sofa underframe 1. The auxiliary wheels 17 are used to assist the extension and contraction of the sofa floor 4, and have a function of buffering and damping vibration.

In a further description, the sofa underframe 1 is provided with an auxiliary armrest 18. It should be noted that the auxiliary handle 18 can make the leaning of the person more comfortable.

In a further description, the sofa bottom plate 4, the elongated plate 3 and the backrest frame 2 are all provided with sofa cushions 19. It should be noted that the sofa cushions 19 are used to enhance the comfort of the sofa.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. A sofa with a telescopic folding function is characterized by comprising a sofa underframe and a backrest frame, wherein the sofa underframe and the backrest frame are arranged in a front-back manner;

two ends of the first hinge structure are respectively hinged to the sofa underframe and the lengthened plate;

2. The sofa with the telescopic folding function according to claim 1, wherein the telescopic driving assembly comprises a driver, a transmission shaft, a gear and a rack;

the rack is arranged below the sofa bottom plate, the driver is arranged on the sofa bottom frame, the output end of the driver is the transmission shaft, the transmission shaft sleeve is provided with the gear, and the gear is meshed with the rack.

3. The sofa with the telescopic and folding function according to claim 1, wherein the first hinge structure and the second hinge structure each comprise a swing support rod and two swing hinge seats;

4. The sofa with the telescopic and folding function as claimed in claim 1, wherein the sofa underframe and the backrest frame are provided with support legs below.

5. The sofa with the telescopic and folding function according to claim 4, wherein auxiliary wheels are further arranged below the sofa underframe.

6. The sofa of claim 5, wherein the sofa underframe is provided with auxiliary armrests.

7. The sofa of claim 1, wherein the sofa bottom plate, the elongated plate and the backrest frame are provided with sofa cushions.