RU224207U1 - FRAME OF A CONVERTABLE SOFA BED - Google Patents

Abstract

The utility model relates to the field of furniture production and is intended for use in the frames of a transformable sofa bed. The frame contains a roll-out base. Reliable and uncomplicated unfolding and folding of the sofa bed is achieved by the fact that the roll-out base contains sidewalls (1), to which the first brackets (4) are welded, on which the load-bearing wheels are fixed, while a horizontal crossbar (2) is fixed inside each sidewall (1) , and on the upper part of the sidewalls (1) there is a first frame (6), in addition, on the rear part of the sidewalls (1) a carriage frame (9) with handles (10) is hinged; a roll-out frame (11) is installed in the roll-out base with the ability to move along the sidewalls (1) and crossbars (2) of the base, while the transformation mechanism (14) is fixed to the roll-out frame (11), which is a lever system in the form of a four-link mechanism, made with the possibility of vertical telescopic folding, while the second frame (12) rests on the transformation mechanism (14), while the second brackets (15) with load-bearing wheels are fixed in the lower part of the roll-out frame (11). 8 ill.

Description

Field of technology to which the utility model relates

The utility model relates to the field of furniture production and is intended for use in the frames of a transformable sofa bed.

State of the art

Among the large number of designs of folding upholstered furniture such as chair-beds and sofa beds, for example, transformable furniture for sitting and lying down is known (RU 2443381C1, IPC A47C17/13, publ. 02/27/2012 [1]). As in the claimed technical solution, analogue [1] includes a first section and a second section adjacent to the first. When transforming furniture for sitting and lying down, one of the sections is movable relative to the other and is supported on the floor surface by means of support units located on the sides of the section base. Each of the support units is equipped with a wheel and contains a spatial body and a connection unit between the spatial body and the base of the section, allowing rotation. On the side opposite to the base of the section, the spatial body is equipped with a pair of wheels.

The mechanism for transforming furniture is also known (RU 157675U1, IPC A47C 17/13, published 12/10/2015 [2]). As in the claimed technical solution, analogue [2] consists of roll-out carriages containing a frame mounted on racks and placed with the ability to interact with each other in such a way that the frame of each subsequent carriage is made capable of moving along the guide sides of the frame of the previous carriage. What is new is that the carriages are equipped with bases for sitting/lying, one end of which is fixed in a holder having a U-shaped cross-section with protruding ends of an L-shaped profile, and corresponding L-shaped grooves are made on the transverse side of the carriage frame in contact with the holder In addition, each base is installed with the ability to slide along the surface of the previous/subsequent base when the carriage moves. This design simplifies the design due to a simple mechanism for transforming furniture and makes assembly and operation easier.

A common disadvantage of the designs of analogues [1] and [2] is the large number of manipulations associated with the transformation of furniture, the fragility and unreliability of the structure during operation and the complexity of converting furniture from one type to another.

The specified analogue [2] is the closest in technical essence to the claimed utility model and is taken as a prototype for the proposed utility model.

The technical problem being solved is the need to improve the transformation mechanism from a seat to a lying one, to increase and expand the performance qualities of folding furniture while maintaining simplicity of design and operation (the presence of a transformation mechanism in the form of a four-link mechanism).

Disclosure of utility model.

The technical result provided by the claimed technical solution is to ensure reliable folding and folding of the sofa bed.

Based on this original observation, the present utility model mainly aims to provide a convertible sofa bed frame comprising a roll-out base. It differs in that

the roll-out base contains sidewalls (1), to which the first brackets (4) are welded, on which the load-bearing wheels are fixed, while inside each sidewall (1) a horizontal cross member (2) is fixed, and on the upper part of the sidewalls (1) there is a first frame ( 6), in addition, on the back of the sidewalls (1) the carriage frame (9) with handles (10) is hinged;

a roll-out frame (11) is installed in the roll-out base with the ability to move along the sidewalls (1) and crossbars (2) of the base, while the transformation mechanism (14) is fixed to the roll-out frame (11), which is a lever system in the form of a four-link mechanism, made with the possibility of vertical telescopic folding, while the second frame (12) rests on the transformation mechanism (14), while the second brackets (15) with load-bearing wheels are fixed in the lower part of the roll-out frame (11).

The set of essential features of the proposed utility model is unknown from the prior art for devices of similar purposes, which allows us to conclude that it meets the “novelty” criterion for the utility model.

The frame of the transformable sofa bed was carried out by a specialist in practice and, when implemented, ensures the implementation of the stated purpose.

Brief description of the drawings.

Figure 1 shows a general view of the base of the frame of a transformable sofa bed, according to the utility model,

Fig. 2 is a general view of the frame of a roll-out convertible sofa bed in an unfolded vertical position, according to the utility model,

Fig. 3 is a general view of the frame of a roll-out convertible sofa bed in the folded position, according to the utility model,

Fig.4 is a general view of the frame for the roll-out frame of a transformable sofa bed, according to the utility model,

Fig. 5 is a general view of the frame for the base of the frame of a transformable sofa bed, according to the utility model,

Fig. 6 is a general view of the frame of a transformable sofa bed in the unfolded state (first position), according to the utility model,

in fig. 7 - general view of the frame of a transformable sofa bed with a folded carriage (second position), according to the utility model,

Fig. 8 is a general view of the frame of a transformable sofa bed in the folded state (third position), according to the utility model.

Figure 1 indicates:

1 - sidewall;

2 – cross member of the frame base;

3 – fungus;

4 – first bracket with wheel;

5 – first page;

6 – first frame;

7 – first cross members;

8 – first plates;

9 – carriage frame;

10 – handles.

Figure 2 indicates:

11 – roll-out frame;

12 – second frame;

13 – second stripe;

14 - transformation mechanism;

15 – second brackets with load-bearing wheels.

Figure 4 indicates:

16 - side third and fourth stripes;

17 – supporting fifth stripes.

Figure 5 indicates:

18 – sixth stripes;

19 – carriage frame pipe;

20 – second plates.

Implementation of a utility model.

According to FIG. 1-8 the frame of the convertible sofa bed consists of four sections:

withdrawable parts - the base of the frame (Fig. 1) and the withdrawable frame (Fig. 2);

fixed - the first frame 6 for the roll-out base (Fig. 4) and the frame for the base of the frame (Fig. 5);

The roll-out base (Fig. 1) contains sidewalls 1, to which the first brackets 4 are welded. The sidewalls 1 are connected to each other at the bottom by the first strip 5. The load-bearing wheels are attached to the first brackets 4.

A horizontal crossbar 2 is fixed inside the sidewalls 1. A fungus 3 is fixed between each crossbar 2 and the lower horizontal pipe of the sidewall 1.

On the back of the sidewalls 1, the frame of the carriage 9 (Fig. 5) with handles 10 is hinged.

On the upper part of the sidewalls 1 there is a first frame 6. The first frame 6 is secured to the sidewalls 1 by the first plates 8.

The roll-out frame 11 (Fig. 2) is installed in a roll-out base with the ability to move along the sidewalls 1 and crossbars 2 of the base.

The withdrawable frame 11 contains a second frame 12 (Fig. 4), a second strip 13, a transformation mechanism 14 in the form of a four-link mechanism and second brackets 15 with load-bearing wheels.

On the side parts of the second strip 13 there are attached fungi 16, which are designed to interact with the sidewalls 1 and the cross members 2 of the base.

The second plates 17 are attached to the front part of the roll-out frame.

The second frame 12 rests on the transformation mechanism 14. The transformation mechanism 14 is mounted on a roll-out frame 11 and is a lever system in the form of a four-link mechanism, which is made with the possibility of vertical telescopic folding. Thanks to this advantageous characteristic, it becomes possible to transform the sofa quickly and without additional effort and manipulation.

Figure 3 shows the transformation mechanism 14 in a folded state.

The second brackets 15 with load-bearing wheels are fixed in the lower part of the roll-out frame 11.

Frame 6 for a roll-out frame (Fig.) contains third and fourth side strips 16, interconnected by fifth support strips 17. First cross members 7 are fixed between the third and fourth strips 16. The first cross members 7 are located parallel to the support strips 17.

The frame of the carriage 9 (Fig. 5) contains sixth strips 18, second crossbars 19. Second plates 20 are fixed in the corners of the frame

The first and second plates 8, 20 are made from waste pipes and sheet material, which are waste from cutting off the main parts of the transformation mechanism and waste from stamping production. This allows you to reduce material costs and the volume of waste and secondary raw materials.

The claimed utility model will significantly improve the operational characteristics of furniture by ensuring reliability and quality of transformation, through smooth and easy movement of elements, and also provide more free space in the room day and night and a spacious sleeping area.

Order of use.

The convertible sofa bed frame works in a standard way.

When folding the frame of the sofa bed into the first position (Fig. 6), the roll-out frame 11 is pulled out from the base, moving the fungi 16 along the sidewalls 1 and crossbars 2 of the base.

Then the roll-out frame 11 is unfolded in the vertical direction, using the transformation mechanism 14 and pulling the frame 12 up.

In the second position, the carriage frame 9 with handles 10 is lowered down (Fig. 7).

When folding the frame of the sofa bed into the third position, first fold the roll-out frame 11, and then push it away from you into the base (Fig. 8).

Industrial applicability.

The frame of a transformable sofa bed can be put into practice by a specialist and, when implemented, ensures the implementation of the stated purpose. The possibility of implementation by a specialist in practice follows from the fact that for each feature included in the formula of a utility model based on the description, a material equivalent is known, which allows us to conclude that it meets the criterion of “industrial applicability” for a utility model, as well as the criterion of “completeness of disclosure” for utility model.

In accordance with the proposed utility model, the applicant manufactured a prototype of the frame of a transformable sofa bed.

Claims (1)

The frame of a transformable sofa bed containing a roll-out base, characterized in that the roll-out base contains sidewalls (1), to which the first brackets (4) are welded, on which the load-bearing wheels are fixed, while inside each sidewall (1) a horizontal cross member (2) is fixed ), and on the upper part of the sidewalls (1) there is a first frame (6), in addition, on the rear part of the sidewalls (1) a carriage frame (9) with handles (10) is hinged; a roll-out frame (11) is installed in the roll-out base with the ability to move along the sidewalls (1) and crossbars (2) of the base, while the transformation mechanism (14) is fixed to the roll-out frame (11), which is a lever system in the form of a four-link mechanism, made with the possibility of vertical telescopic folding, while the second frame (12) rests on the transformation mechanism (14), while the second brackets (15) with load-bearing wheels are fixed in the lower part of the roll-out frame (11).