CN211130406U - Sofa bed - Google Patents

Abstract

The utility model discloses a sofa bed, which comprises a sofa body, wherein the sofa body consists of a base, a backrest and handrails, the two sides of the backrest and the base are respectively connected through a connecting piece with three inclination angles, the connecting piece comprises a back plate fixed on the side surface of the backrest and a seat plate fixed on the side surface of the base, a movable hook plate, a top plate and a supporting plate are fixed on the back plate, a movable double-connecting box plate, a long connecting plate, a double-connecting plate and a short connecting plate are fixed on the seat plate, the connection of the back plate and the seat plate is completed through the movable connection of the hook plate, the supporting plate, the double-connecting plate and the short connecting plate, the double-connecting box plate and the long connecting plate which are fixed on the seat plate and enable the seat plate to move are respectively and movably fixed on a bent connecting plate, and a reset spring is arranged between the double-; the connecting piece makes the sofa bed realize the angle change of 105 degrees and 125 degrees and 180 degrees, and meets the daily use requirement.

Description

Sofa bed

Technical Field

The utility model relates to a sofa bed, in particular to a sofa bed.

Background

Modern furniture, especially the sofa, is in various postures, and the sofa bed made by combining the sofa and the bed has the advantages of small occupied area, practicality and convenience. The sofa seat and the backrest of the sofa bed are connected in various modes, but the angle between the sofa seat and the backrest of the existing sofa bed is only fixed, namely the sofa bed is flatly placed or inclined, the selectable inclination angle is less, and different requirements of various users are difficult to meet.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

An object of the utility model is to provide a sofa bed, it is less to aim at solving the inclination that current sofa bed can select, is difficult to satisfy the problem of the different requirements of various users.

The technical scheme of the utility model as follows: the utility model provides a sofa bed, wherein, includes the sofa body, the sofa body comprises base, back and handrail, and the both sides of back and base are connected through a connecting piece that has three inclination respectively, the connecting piece includes a backplate of fixing in the back side and a bedplate of fixing in the base side, is fixed with movable piece, top piece and the supporting plate of colluding on the backplate, is fixed with movable double-link case piece, long even piece, double-link piece and short even piece on the bedplate, and the connection of backplate and bedplate is accomplished through colluding the piece, the movable connection of supporting plate and double-link piece and short even piece, fixes on the bedplate and makes the movable double-link case piece and the long even piece of bedplate activity respectively the activity fix on bent even piece, is equipped with a reset spring between double-link case piece and the bent even piece.

The sofa bed is characterized in that the base is provided with a sticky cushion, and the backrest is provided with a sticky back cushion.

The sofa bed, wherein, but the sticky formula cushion and sticky formula cushion are all including top layer, inlayer and the sponge layer that sets gradually from the top down, top layer, inlayer adopt foraminiferous canvas or cotton to make, the sponge layer adopts the cushion that is equipped with printing opacity, ventilative hole.

The sofa bed, wherein the arms are configured as box arms.

The sofa bed is characterized in that the top of the box-type armrest is movably connected with a rotatable writing board.

In the sofa bed, a book rack which is separated by a partition board and used for storing books and periodicals is arranged in one outer side edge or two outer side edges of the box-type armrest.

The sofa bed is characterized in that universal movable wheels are arranged at the bottom of the base.

The sofa bed, wherein, universal removal wheel comprises stereoplasm spherical gyro wheel and casing, the internal surface of casing has wear-resisting smooth coating, is equipped with bracket connecting plate at the top of casing, and the spherical gyro wheel of stereoplasm is installed in the casing, bracket connecting plate is connected with the bottom of base.

The sofa bed is characterized in that the upper part of the shell is in a circular truncated cone shape, the lower part of the shell is in a cylindrical shape, the surface of the hard spherical roller is tangent with the inner surface of the circular truncated cone shape on the upper part of the shell, and the tangent point track and the sphere center form a conical shape with the vertex angle of 90 degrees.

The sofa bed, wherein, hard spherical gyro wheel adopts hard plastic ball.

The utility model has the advantages that: the utility model provides a sofa bed, including the sofa body, the sofa body comprises base, back and handrail, and the both sides of back and base are connected through a connecting piece that has three inclination respectively, the connecting piece includes a backplate of fixing in the back side and a bedplate of fixing in the base side, is fixed with movable piece, top board and the supporting piece of colluding on the backplate, is fixed with movable double-link case piece, long connecting piece, double-link piece and short connecting piece on the bedplate, and the connection of backplate and bedplate is accomplished through colluding the movable connection of piece, supporting piece and double-link piece and short connecting piece, and the double-link case piece and the long connecting piece that fix on the bedplate and make the bedplate movable are fixed on the bent connecting piece respectively in the activity, are equipped with a reset spring between double-link case piece and the bent connecting piece; the connecting piece enables the sofa bed to realize the angle changes of 105 degrees, 125 degrees and 180 degrees, and meets the daily use requirements

Drawings

Fig. 1 is a schematic structural view of the sofa bed of the present invention.

Fig. 2 is a schematic structural diagram of the connecting member of the present invention.

Fig. 3 is a schematic structural view of the middle cushion and the back cushion of the present invention.

Fig. 4 is a schematic structural view of the universal movable wheel of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1 and 2, a sofa bed comprises a sofa body consisting of a base 11, a backrest 12 and armrests 13, wherein the two sides of the backrest 12 and the base 11 are respectively connected through a connecting piece with three inclined angles, the connecting piece comprises a back plate 21 fixed on the side of the backrest 12 and a seat plate 28 fixed on the side of the base 11, a movable hook plate 22, a top plate 24 and a supporting plate 25 are fixed on the back plate 21, a movable double connecting box plate 29, a long connecting plate 210, a double connecting plate 26 and a short connecting plate 27 are fixed on the seat plate 28, the connection of the back plate 21 and the seat plate 28 is completed through the movable connection of the hook plate 21 and the supporting plate 25 with the double connecting plate 26 and the short connecting plate 27, the double box connecting plate 29 and the long connecting plate 210 which are fixed on the seat plate 28 and enable the seat plate to move are respectively and movably fixed on the curved connecting plate 211, and a return spring 212 is arranged between the double box connecting plate 29 and the curved connecting plate 211.

In the technical scheme, a back plate 21 and a seat plate 28 are respectively fixedly connected to two sides of a backrest 12 and a base 11, a movable hook piece 22 and a movable supporting piece 25 are connected to the back plate 21, teeth on the supporting piece 25 are matched with a top plate 24 which is also provided with the teeth and is also fixed to the back plate 21, a fixed connecting piece 213 is arranged between the supporting piece 25 and the top plate 24 to ensure that the top plate 24 does not fall off, the top plate 24 is connected with a small tension spring 23 fixed to the back plate 21, the top plate 24 can return to the original position under the tension of the top plate 24, a movable double-connecting box piece 29 and a movable long connecting piece 210 are arranged on the seat plate 28 and are both connected with a fixed bent connecting piece 211, a return spring 212 is further connected between the bent connecting piece 211 and the double-connecting box piece 29, and the connection between the back plate 21 and the seat plate 28 is completed through. When the sofa bed is in a use state, the front end of the base 11 connected with the seat board 28 can be lifted upwards, the double connecting pieces 26 and the short connecting pieces 27 are driven by the double connecting pieces 29 and the long connecting pieces 210 to rotate, the hook pieces 22 and the supporting pieces 25 move upwards, the back board 21 is lifted, the supporting pieces 25 are in contact with the hook pieces 22, when the notch of the supporting pieces 25 is pressed into the notch of the top board 24, the supporting pieces 25 and the top board 24 are mutually clamped, a stable large inclination angle of 125 degrees is formed between the back board 21 and the seat board 28 (namely the base 11 and the backrest 12), the sofa bed is suitable for a half-lying half-sitting posture, for example, the supporting pieces 25 on the back board 21 are pressed through the top board 24 to be abutted against the top board 24 when the front end of the base 11 is continuously lifted upwards, and a stable inclination angle of 105 degrees is formed between the back board 21 and the seat board 28, and the optimal angle of a human. The front end of the base 11 is lifted continuously, the supporting sheet 25 rotates to be separated from the contact with the top sheet 24, the back plate 21 returns to the original position without bearing the supporting force, and a flat angle of 180 degrees is formed between the back plate and the seat plate 28, so that a comfortable large bed is formed; the connecting piece is made of metal materials, and the connection of all the parts ensures that the connection part can freely run. The connecting piece controls the angle change of the sofa bed, and the change is mainly completed by a four-bar linkage formed by a back plate 21, a hook plate 22, a supporting plate 25 and a double connecting plate 26.

Further, a sticky cushion 14 is arranged on the base 11, a sticky back cushion 15 is arranged on the backrest 12, as shown in fig. 3, the sticky cushion 14 and the sticky back cushion 15 both comprise a surface layer 111, an inner layer 112 and a sponge layer 113 which are sequentially arranged from top to bottom, the surface layer 111 and the inner layer 112 can be made of canvas with holes or cotton cloth, and the sponge layer 113 is a soft cushion with light-transmitting and air-permeable holes. The seat cushion and back cushion made of the material can achieve the purposes of ventilation and light transmission, and realize the purposes of ventilation and dehumidification.

Further, the armrests 13 are configured as box-type armrests to increase the storage capacity of the sofa bed.

Furthermore, a rotatable writing board 18 is movably connected to the top of the box-type armrest 13, so as to facilitate writing on the sofa bed.

Further, a book and periodical rack 131 partitioned by a partition is arranged in one outer side edge or two outer side edges of the box-type handrail 13 and used for storing books and periodicals.

Specifically, in order to allow the sofa bed to be moved freely and easily, universal moving wheels are provided at the bottom of the base 11. In this embodiment, the universal moving wheels are provided with 4, and the 4 universal moving wheels are respectively arranged at 4 corners of the bottom of the base 11.

Further, as shown in fig. 4, the universal movable wheel is composed of a hard spherical roller 33 and a housing 32, the inner surface of the housing 32 is coated with a wear-resistant smooth coating, a bracket connecting plate 31 is arranged on the top of the housing 32, the hard spherical roller 33 is installed in the housing 32, and the bracket connecting plate 31 is connected with the bottom of the base 11; because the inner surface of the shell 32 is coated with a smooth coating, the hard spherical roller 33 can be ensured to freely run in the shell 32.

Furthermore, the upper part of the shell 32 is in a truncated cone shape, the lower part of the shell 32 is in a cylindrical shape, the surface of the hard spherical roller 33 is tangent with the inner surface of the truncated cone shape at the upper part of the shell 32, and the tangent point track and the sphere center form a conical shape with the vertex angle of 90 degrees; in the technical scheme, the weight of the sofa bed is directly borne by the shell 32, and the stress is on the circular track line of the tangent point of the surface of the hard spherical roller 33 and the inner surface of the shell 32, so that the stress strength is improved, and the service life of the universal movable wheel is prolonged.

In this embodiment, the hard spherical roller 33 is made of hard plastic balls.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (8)

1. A sofa bed is characterized by comprising a sofa body, wherein the sofa body consists of a base, a backrest and armrests, the two sides of the backrest and the base are respectively connected through a connecting piece with three inclination angles, the connecting piece comprises a back plate fixed on the side surface of the backrest and a seat plate fixed on the side surface of the base, a movable hook plate, a top plate and a supporting plate are fixed on the back plate, a movable double-connection box plate, a long connection plate, a double-connection plate and a short connection plate are fixed on the seat plate, the connection of the back plate and the seat plate is completed through the movable connection of the hook plate, the supporting plate, the double-connection plate and the short connection plate, the double-connection box plate and the long connection plate which are fixed on the seat plate and enable the seat plate to move are respectively and movably fixed on a bent connection plate, and a reset spring is arranged between the double-connection box; the bottom of the base is provided with a universal moving wheel; the universal moving wheel consists of a hard spherical roller and a shell, the inner surface of the shell is provided with a wear-resistant smooth coating, the top of the shell is provided with a bracket connecting plate, the hard spherical roller is arranged in the shell, and the bracket connecting plate is connected with the bottom of the base.

2. The sofa sleeper of claim 1, wherein a sticky cushion is provided on the base and a sticky back cushion is provided on the back.

3. The sofa bed according to claim 2, wherein the sticky cushion and the sticky back cushion each comprise a surface layer, an inner layer and a sponge layer arranged from top to bottom, the surface layer and the inner layer are made of canvas or cotton cloth with holes, and the sponge layer is a soft cushion with light-transmitting and air-permeable holes.

4. The sofa bed according to claim 1, wherein the arms are configured as box arms.

5. The sofa sleeper of claim 4, wherein a rotatable tablet is movably attached to the top of the box arm.

6. The sofa bed according to claim 4, wherein a shelf for storing books is provided in one or both outer sides of the box-type armrest.

7. The sofa bed according to claim 1, wherein the housing has a truncated cone shape in the upper portion and a cylindrical shape in the lower portion, and the hard spherical roller surface is tangent to the inner surface of the truncated cone shape in the upper portion of the housing, and the locus of the tangent point and the center of the sphere form a conical shape having an apex angle of 90 °.

8. The sofa bed according to claim 1, wherein the hard spherical rollers are hard plastic balls.

Images