RU126579U1 - MEANS OF TRANSFORMATION FOR UPHOLSTERED FURNITURE - Google Patents

Abstract

The utility model relates to the furniture industry, in particular to the production of furniture fittings and relates to the mechanism of transformation of upholstered furniture.

The technical result of the claimed utility model "Means of transformation for upholstered furniture" is:

1. A stiffer and more robust construction of the transformation tool for upholstered furniture

2. Increasing the unreliability of the transformation mechanism.

3. Reducing the intensity of the transformation mechanism.

The technical result of the claimed utility model is achieved by the fact that, compared with the utility model adopted as a prototype “Transformation means for upholstered furniture” containing a transformation mechanism made of three supporting tubular elements, including a movable frame, a fixed frame and equipped with a support rotary frame moreover, the said movable frame is located inside the fixed frame and contains a drawer for attaching legs, located in its front part and rigidly connected to the rear transverse element with at least two longitudinal beams, holders for attaching a removable head restraint mounted on the longitudinal beams of the movable frame, the fixed frame provided with tubular sidewalls, supports, brackets and provided with a middle stiffness frame made in the form of a closed trapezoid mounted on the transverse elements of the fixed frame, plates for mounting the armrests mounted on the said sides of the fixed frame, embedded plates for attaching the walls of the linen box mounted on the inside of the sides,

the axis of rotation mounted in the holes of the said brackets located in the rear of the sidewalls of the fixed frame and made with the possibility of rotation of the pivot frame relative to the fixed frame, the plate for attaching the soft element, in the inventive utility model, said movable frame is made in the form of a welded frame with a jumper and provided corners fixed by bolts on each side of the metal frame on the longitudinal beam, while on the said sides of the fixed frame, mainly furniture and bolts fixed plates that are connected to the said corners of the movable frame using two four-link spring-link mechanisms, and the movable frame is supported by said angles on the fixed frame using the above two four-link spring-link mechanisms, providing movement and fixation of the movable frame in front of fixed frame, while the transformation tool for upholstered furniture is equipped with a synchronizer of the work of the transformable mechanism in the folded and unfolded In the form of reactive thrust mounted on the levers of the four-link spring-link mechanism and providing synchronous, smooth, and skew-free movement of the moving frame along the fixed frame, the said drawer side of the moving frame is made in the form of two bent-welded tubular brackets for attaching support legs and welded the slats to them and contains support plates for attaching the decorative panel, while said middle rigidity frame of the fixed frame contains a rack, welded to the front side of the middle frame of rigidity, providing support on it of the rear transverse element of the movable frame when transforming the sofa into the "bed" position, and the said sides of the fixed frame are interconnected by two strips of durable decorative material that are rigidly bolted to the sides of the trapezoid through the plates forming a linen box, while the above-mentioned brackets for installing the support rotary frame are made in the form of plates vertically welded to the vertical rear parts of the sidewalls to it, with the formation of an additional vertical stiffening rib on the sidewall, on the top of the end of the brackets of which arcuate slots are made, and cantilever plates with the said rotation axes, which are installed in the mentioned arcuate slots made in brackets, are welded to the supporting rotary frame, and the supporting rotary the frame has a jumper in the middle to which cantilever plates for installing said soft elements are welded, and on the said jumper of the movable frame, plastic bosses are fixed, providing silent operation of the mechanism for transforming the bed into the "sofa" position.

Description

The utility model relates to the furniture industry, in particular to the production of furniture fittings and relates to the mechanism of transformation of upholstered furniture, mainly a sofa bed.

The closest in number of common features to the claimed utility model - the prototype can be adopted utility model "Means of transformation for upholstered furniture" containing a transformation mechanism made of three supporting tubular elements, including a movable frame, a fixed frame and provided with a rotary frame, and the said movable frame is located inside the fixed frame and contains a drawer for attaching legs, located in its front part and rigidly connected to the rear transverse element, at least with two longitudinal beams, holders for attaching a removable head restraint mounted on the longitudinal beams of the movable frame, the fixed frame provided with tubular sidewalls, supports, brackets and provided with a middle stiffness frame made in the form of a closed trapezoid mounted on the transverse elements of the fixed frame, plates for mounting the armrests mounted on the said sides of the fixed frame, embedded plates for mounting the walls of the linen box mounted on the inside of the sidewalls, the axis of rotation mounted in the holes of the above-mentioned brackets located in the rear of the sidewalls of the fixed frame and configured to rotate the pivot frame relative to the fixed frame, plate for attaching the soft element (See patent No. 49691, IPC: А47С 17/13, application No. 2005120464/22 of 06.30.2005, patent holders:

Zaitsev Sergey Vasilievich, Mordvinov Sergey Nakolaevich, published December 10, 2005 Bulletin No. 34).

A disadvantage of the known utility model adopted as a prototype is:

1. Less rigid and durable construction of the means of transformation for upholstered furniture.

2. The unreliability of the transformation mechanism, since the skew of the rollers when sliding the sliding frame is possible and its breakage is possible.

3. The intensity of the transformation mechanism.

The technical result of the claimed utility model is the elimination of these disadvantages.

The technical result of the claimed utility model is achieved by the fact that, compared with the utility model adopted as a prototype "Transformation means for upholstered furniture" containing a transformation mechanism made of three supporting tubular elements, including a movable frame, a fixed frame and equipped with a support rotary frame moreover, the said movable frame is located inside the fixed frame and contains a drawer for attaching legs, located in its front part and rigidly connected to the rear transverse element with at least two longitudinal beams, holders for attaching a removable head restraint mounted on the longitudinal beams of the movable frame, the fixed frame provided with tubular sidewalls, supports, brackets and provided with a middle stiffness frame made in the form of a closed trapezoid mounted on the transverse elements of the fixed frame, plates for mounting the armrests mounted on the said sides of the fixed frame, embedded plates for attaching the walls of the linen box mounted on the inner part of the sidewalls, the axis of rotation mounted in the holes of the mentioned brackets located in the rear of the sidewalls of the fixed frame and made with the possibility of rotation of the pivot frame relative to the fixed frame, plate for attaching a soft element, in the inventive utility model said movable frame is made in the form of a welded frame with a jumper and equipped with angles fixed by bolts on each side of the metal frame on a longitudinal beam, while on the said side fixed frame, mainly furniture bolts fixed plates that are connected to the mentioned corners of the movable frame using two four-link spring-link mechanisms, and the movable frame is mounted on the said corners on a fixed frame using the above two four-link spring-link mechanisms that provide movement and fixing the movable frame in front of the fixed frame, while the transformation tool for upholstered furniture is equipped with a synchronizer for the operation of trans a collapsible mechanism in the folded and unfolded positions, made in the form of jet thrust mounted on the levers of the four-link spring-link mechanism and providing synchronous smooth movement of the movable frame along the fixed frame without distortions, the aforementioned drawer frame is made in the form of two bent-welded tubular brackets for attaching support legs and strips welded to them and contains support plates for attaching a decorative panel, wherein said middle frame and the stiffness of the fixed frame contains a stand welded to the front side of the middle stiffness frame, providing support for the rear transverse element of the movable frame on it when the sofa is transformed into the "bed" position, and the said side walls of the fixed frame are interconnected by two strips of durable decorative material that are rigidly bolted to the sides of the trapezoid through the plates, forming a linen box, while the above-mentioned brackets for mounting the support rotary frame are made in the form of a plate stins, vertically welded to the vertical rear of the sidewalls, with the formation of an additional vertical stiffening rib on the sidewall, on top of the end of the brackets of which arcuate slots are made, and cantilever plates with the mentioned rotation axes, which are installed in the said arcuate slots, are made to the said rotary support frame in brackets, and the supporting pivoting frame has a jumper in the middle to which cantilever plates are welded for mounting said soft elements, and on the aforementioned jumper of the movable frame, plastic bosses are fixed from below, which ensure silent operation of the mechanism for transforming the bed into the "sofa" position.

Such significant distinguishing features of "... as a movable frame made in the form of a welded frame with a jumper" ..., "a support rotary frame has a jumper in the middle" ..., "... the middle stiffness frame of the fixed frame contains a stand welded to the front side of the middle stiffness frame, providing support on it of the rear transverse element of the movable frame when transforming the sofa into the "bed" position ..., "the brackets for installing the support swing frame are made in the form of plates vertically welded to the vertical rear parts of the sidewalls to it, with the formation of an additional vertical stiffening rib on the sidewall, on the top of the end of the brackets of which arcuate slots are made, and cantilever plates with the mentioned rotation axes, which are installed in the said arcuate slots made in brackets, are welded to the said rotary frame ”..., give such a technical result, an increase in rigidity, strength and durability of the product design.

Such a significant distinguishing feature as "... the movable frame is mounted on a fixed frame using two four-link spring-link mechanisms that provide movement and fixation of the movable frame in front of the fixed frame, as well as the fact that the transformation tool for upholstered furniture is equipped with a synchronizer of the transformable mechanism in the folded and the unfolded positions, made in the form of jet thrust mounted on the levers of the four-link spring-link mechanism and providing Synchro smoothly without tilting movement of the movable frame on the fixed frame "provides a technical effect as raising the reliability of the structure transformation mechanism by eliminating the rollers, which can collapse when the misalignment beyond the fixed frame and due to synchronous, smooth without skewing movement of the movable frame on the fixed frame.

Such an essential distinguishing feature “... plastic bosses are fixed on the jumper of the movable frame from the bottom”, also gives such an additional technical result, ensuring silent operation of the transformation mechanism when transforming the bed into the “sofa” position, as well as increasing the reliability of the design of the transformation mechanism.

Such an essential distinguishing feature as “the sides of the fixed frame are interconnected by two strips of strong decorative material that are rigidly fixed to the sides of the trapezoid through the plates with bolts, forming a linen box”, gives such a technical result as reducing the metal consumption of the product, so the mounting strips for the side walls and at the same time are the walls of the linen box.

Such a significant distinguishing feature as “... the drawer casing is made in the form of two bently welded tubular brackets for fastening the support legs and the strips welded to them and contains support plates for attaching the decorative panel” ... also gives a technical result by reducing the metal consumption of the product structure.

In addition, an additional technical result, the possibility of increasing or decreasing, if necessary, the length of the mechanism for transforming upholstered furniture, is achieved by the fact that grooves are made at the said corners of the movable frame, with the possibility of changing the gap between the said welded metal frame of the sliding frame and the supporting rotary frame when transforming the sofa to the " bed".

In addition, an additional technical result, the possibility of increasing the berth in the “bed” position by 200 mm, is achieved by the fact that the transformation mechanism is configured to increase the step of moving the movable frame in front of the fixed frame by changing by increasing the length of the levers in the four-link spring-link arm the mechanism.

In addition, an additional technical result, the possibility of simplifying the assembly and disassembly of the transformation means for upholstered furniture, is achieved by the fact that the said plates for mounting the armrests are made in the form of quick-release hooks.

In addition, an additional technical result of providing additional structural strength of the transformation tool for upholstered furniture is achieved by the fact that said fixed frame is provided with an additional support located under the middle stiffness frame at the bottom front, as well as the fact that the plates for attaching soft elements and brackets are made of metal.

The inventive utility model is illustrated by drawings:

Figure 1. Means of transformation for upholstered furniture in the "sofa" position, side view.

Figure 2. Means of transformation for upholstered furniture in the unfolded position of the "bed" side view.

Figure 3. Means of transformation for upholstered furniture in the unfolded position "bed" view reconciliation.

Figure 4. Means of transformation for upholstered furniture in the folded position "sofa" front view.

Figure 5. Means of transformation for upholstered furniture, sectional view in the middle in the "sofa" position side view.

The essence of the utility model.

The transformation tool for upholstered furniture, contains a transformation mechanism made of three supporting tubular elements, including a movable frame 1 (Fig. 1, 2, 4, 5), a fixed frame 2 (Fig. 1, 2) and a support rotary frame 3 (Figs. 3-5). The movable frame 1 (Figs. 1, 2, 4, 5), is made in the form of a welded metal frame, including longitudinal beams 4 (Fig. 3), fastened by transverse elements 5 (Fig. 3), and a jumper 6 (Fig. 3) located in the middle of the metal frame parallel to the longitudinal elements 4 (figure 3). The movable frame 1 (Fig. 1, 2, 4, 5) is made with a drawer 7 (Fig. 1, 2, 5) for attaching legs (not shown) and holders 8 (Fig. 3) for attaching a removable headrest 9 ( figure 3), which is made in the form of bently welded tubular brackets of the frame. The movable frame 1 (Figs. 1, 2, 4, 5) is provided with corners 10 (Fig. 3), fixed mainly by bolts, on each side of the metal frame on the longitudinal element 4 (Fig. 3), on which grooves 11 are made (Fig. .3), providing the possibility of changing the gap between the welded metal frame of the movable frame 1 (Figs. 1, 2, 4, 5) and the supporting pivoting frame 3 (Figs. 3-5) when transforming the sofa into the “bed” position. Collet 7 (Fig. 1, 2, 5) of the rolling frame 1 (Fig. 1, 2, 4, 5) is made in the form of two bently welded tubular brackets 12 (Fig. 4) for fastening the support legs and the strips welded to them 13 ( 3, 4) and comprises supporting decorative plates 14 (FIG. 4) for attaching a decorative panel (not shown in the drawing). The fixed frame 2 (Fig. 1, 2), made of a tubular profile, contains tubular sidewalls 15 (Figs. 1-4), made in the form of an open trapezoid, reinforced with a longitudinal stiffener 16 (Fig. 1, 2), located under the upper longitudinal element sidewall 15 (Fig.1-4). On the longitudinal beam of rigidity 16 (Fig. 1, 2), sidewalls 15 (Figs. 1-4), furniture bolts (not shown) are fixed to the plate 17 (Fig. 3), which are connected to the corners 10 (Fig. 3) of the movable frame 1 (Fig. 1, 2, 4, 5) using two four-link spring-link mechanisms 18 (Fig. 1, 2). The movable frame 1 (Fig. 1, 2, 4, 5) is mounted based on the corners 10 (Fig. 3) on the fixed frame 2 (Fig. 1, 2) using two four-link spring-link mechanisms 18 (Fig. 1, 2), providing movement and fixation of the movable frame 1 (figure 1, 2, 4, 5) in front of the fixed frame 2 (figure 1, 2). The transformation tool for upholstered furniture is equipped with a synchronizer for the operation of the transformable mechanism in the folded and unfolded positions, made in the form of a jet rod 19 (Fig. 3), mounted on the levers of a four-link spring-link mechanism 18 (Figs. 1, 2) and providing synchronous smooth without distortions moving the movable frame 1 (Fig. 1, 2, 4, 5) along the fixed frame 2 (Fig. 1, 2). The fixed frame 2 (figure 1, 2) is equipped with a middle frame 20 (figure 4, 5), made in the form of a closed trapezoid, which is mounted on the transverse elements 21 (figure 3) of the fixed frame 2 (figure 1, 2) and contains a stand 22 (Fig. 4, 5), welded to the front side of the middle stiffening frame 20 (Fig. 4, 5), supporting the rear transverse element 5 (Fig. 3) of the movable frame 1 (Fig. 1, 2) , 4, 5) when transforming the sofa into the "bed" position. The sides 15 (Figs. 1-4) of the fixed frame 2 (Figs. 1, 2) are interconnected by two strips 23 (Figs. 3, 4) forming walls of a strong decorative material that are rigidly fixed to the plates 24 welded on the sides of the trapezoid (Fig.1-4), mainly furniture bolts (not shown), forming a linen box. To the vertical rear side of the sidewalls 15 (Figs. 1-4), brackets 25 (Figs. 1, 2) are welded to install a support rotary frame 3 (Figs. 3-5), made in the form of vertically arranged plates, forming additional stiffeners on sidewall 15 (figures 1-4). On top of the end of the brackets 25 (figure 1, 2) made arcuate slots 26 (figure 1, 2). On the supporting rotary frame 3 (Figs. 3-5), cantilever plates 27 (Figs. 1, 2) with rotation axes 28 (Figs. 1, 2) are welded, which are installed in arcuate slots 26 (Figs. 1, 2), made in brackets 25 (figure 1, 2). On the upper longitudinal elements of the sidewalls 15 (Figs. 1-4) and on the longitudinal beams of stiffness 16 (Figs. 1, 2), quick-release hooks 29 (Figs. 1-3) are fixed for fixing the armrests (not shown in the drawing). The support rotary frame 3 (Fig.3-5) has a jumper 30 (Fig.3, 4) in the middle. To the longitudinal elements 4 (Fig. 3) and the jumper 6 (Fig. 3) of the frame of the movable frame 1 (Figs. 1, 2, 4, 5), as well as to the jumper 30 (Figs. 3, 4) and the longitudinal elements of the support rotary frame 3 (Fig.3-5), a cantilever plate 31 is welded (Fig.2, 3, 4) for installing soft elements (not shown in the drawing). On the jumper 6 (Fig. 3) of the movable frame 1 (Figs. 1, 2, 4, 5), plastic bosses 32 (Fig. 5) are fixed from below, ensuring a quiet operation of the transformation mechanism when pairing the plastic bosses 32 (Fig. 5) of the jumper 6 (Fig. 3) of the movable frame 1 (Figs. 1, 2, 4, 5) with the upper side of the middle stiffening frame 20 (Figs. 4, 5) of the immovable frame 2 (Figs. 1, 2) when transforming the bed into the “sofa” position ". The fixed frame 2 (figure 1, 2) is equipped with supports 33 (figures 1, 2, 4, 5) and an additional support 34

(figure 1, 2, 4, 5), located under the middle frame of rigidity on the bottom front.

Means of transformation for the sofa bed works as follows.

In a complex form, the movable frame 1 is located inside the fixed frame 2. To transform the sofa into the "bed" position, first raise the movable frame 1 behind the drawer 7 and move it up, forward and down using a four-link spring-articulated lever mechanism 18 for installing it in front of fixed frame 2. This opens access to a linen box (not shown) for storing pillows formed by sidewalls 15 and straps 24 that form the walls. Then, the supporting rotary frame 3 is lowered onto the fixed frame 2, which rotates on the axis of rotation 28 in the arcuate slots 26 located in the brackets 25. The arcuate slots 26 and quick-release hooks 29 simplify the process of assembly and disassembly and transfer of upholstered furniture. If necessary, install the headrest 9 in the holders 8, mounted on a fixed frame 2. Changing the fastening of the four-link spring-link mechanisms 18 in the grooves 11 at the corners 10, provide a change in the gap between the welded metal frame of the movable frame 1 and the support rotary frame 3 when transforming the sofa into position "Bed" and due to this increase or decrease the length of the transformation mechanism of upholstered furniture. Increasing, changing the length of the levers in the four-link spring-link mechanism 18, increase the step of moving the movable frame 1 in front of the fixed frame 2 and thereby increase the berth in the "bed" position by 200 mm.

Claims (6)

1. The transformation tool for upholstered furniture, containing a transformation mechanism made of three supporting tubular elements, including a movable frame, a fixed frame and provided with a rotary frame, and the said movable frame is located inside the fixed frame and contains a drawer for attaching legs located in it front part and rigidly connected to the rear transverse element by at least two longitudinal beams, holders for attaching a removable headrest mounted on the longitudinal the beams of the movable frame, while the fixed frame is equipped with tubular sidewalls, supports, brackets and is equipped with a middle stiffness frame made in the form of a closed trapezoid mounted on the transverse elements of the fixed frame, plates for mounting the armrests mounted on the said sides of the fixed frame, embedded plates for mounting walls of the linen box mounted on the transverse elements and the inner part of the sidewalls, the axis of rotation mounted in the holes of the mentioned bracket pads located at the rear of the sides of the fixed frame and made to rotate the pivot frame relative to the fixed frame, a plate for attaching a soft element, characterized in that said movable frame is made in the form of a welded frame with a jumper and provided with corners fixed by bolts on each side of the metal frames on the longitudinal beam, while on the said sidewalls of the fixed frame, mainly with furniture bolts, plates are fixed that are connected to the said corners the movable frame using two four-link spring-link mechanisms, the movable frame being supported by the above-mentioned corners on the fixed frame using the two four-link spring-link mechanisms that provide movement and fixation of the movable frame in front of the fixed frame, while the transformation means for soft the furniture is equipped with a synchronizer of the work of the transformable mechanism in the folded and unfolded positions, made in the form of jet traction mounted on levers the mentioned four-link spring-link mechanism and providing synchronous, smooth, without distortion, movement of the movable frame along the fixed frame, and said drawer side of the movable frame is made in the form of two bently welded tubular brackets for fastening the support legs and the bars welded to them and contains support plates for fastening the decorative panel, wherein said middle rigidity frame of the fixed frame comprises a stand welded to the front side of the middle rigidity frame, providing the support on it of the rear transverse element of the movable frame when transforming the sofa into the "bed" position, and the said sides of the fixed frame are interconnected by two strips of strong decorative material that are rigidly fixed to the sides of the trapezoid through the plates with a bolt, forming a linen box, while the brackets for installing the support rotary frame are made in the form of plates vertically welded to the vertical rear of the sides, with the formation of an additional vertical rib stiffnesses on the sidewall, on top of the end of the brackets of which arcuate slots are made, and cantilever plates with the said rotation axes are welded to said support rotary frame, which are installed in the said arcuate slots made in brackets, and the support rotary frame has a jumper in the middle to which the console is welded plates for installing said soft elements, and plastic bosses are mounted on the said jumper of the movable frame from below, ensuring silent operation the transformation mechanism when pairing the bosses of the lintel of the movable frame with the upper side of the middle rigidity frame of the fixed frame when transforming the bed into the "sofa" position. 2. The transformation tool for upholstered furniture according to claim 1, characterized in that the grooves are made on the said corners of the movable frame, with the possibility of changing the gap between the welded metal frame of the pull-out frame and the supporting rotary frame when transforming the sofa into the "bed, by changing fastenings of four link spring-link mechanisms in said grooves. 3. The transformation tool for upholstered furniture according to claim 1, characterized in that the transformation mechanism is configured to increase the step of moving the movable frame in front of the fixed frame by changing, increasing the length of the levers of the four-link spring-link mechanism and providing an increase in the berth in position 200 mm “bed”. 4. The transformation tool for upholstered furniture according to claim 1, characterized in that the said plate for mounting the armrests are made in the form of quick-release hooks. 5. The transformation tool for upholstered furniture according to claim 1, characterized in that the said fixed frame is provided with an additional support located under the middle stiffness frame at the bottom front. 6. The transformation tool for upholstered furniture according to claim 1, characterized in that the plates for attaching soft elements and brackets are made of metal.

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