CN216494435U - Assembled sofa - Google Patents

Abstract

The utility model relates to the technical field of furniture and provides a combined sofa which comprises a base component, a cushion back component and a handrail component, wherein the base component is arranged on the base component; the base component comprises a seat plate unit and a supporting unit, and the supporting unit is connected with the seat plate unit; the cushion assembly comprises at least one set of cushion unit, the cushion unit comprises a cushion and a backrest, the cushion is detachably arranged on the surface of the seat plate unit, and the backrest is detachably arranged at the long edge of the seat plate unit and is positioned at one side of the cushion; the armrest assembly comprises at least one armrest, and the armrest is detachably arranged on the short side of the seat board unit and is positioned on one side, adjacent to the backrest, of the seat cushion. According to the combined sofa, the back cushion component and the handrail component are detachably arranged on the seat board unit, the number and the positions of the back cushion unit and the handrails can be flexibly combined in the using process, the combined sofa is simple in structure, changeable in shape and rich in functions, and the using requirements of various scenes can be met.

Description

Assembled sofa

Technical Field

The utility model relates to the technical field of furniture, in particular to a combined sofa.

Background

The sofa is one of the essential furniture in people's family life, can give other people and provide more comfort, and along with the continuous improvement of standard of living, people also are higher and higher to the requirement of furniture. However, the existing sofa usually adopts a fixed style, can only meet the sitting and lying functions, has a single structure and function, and is difficult to meet the use requirements of different scenes of a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined sofa to solve the technical problems that the sofa in the prior art is single in structure and function and is difficult to meet different use requirements of users.

In order to achieve the purpose, the utility model adopts the technical scheme that: provided is a sectional sofa, including:

the base component comprises a seat plate unit and a supporting unit, and the supporting unit is connected with the seat plate unit;

the cushion assembly comprises at least one set of cushion unit, the cushion unit comprises a cushion and a backrest, the cushion is detachably arranged on the surface of the seat plate unit, and the backrest is detachably arranged at the long edge of the seat plate unit and is positioned at one side of the cushion;

the armrest component comprises at least one armrest, and the armrest is detachably arranged on the short side of the seat board unit and is positioned on one side, adjacent to the backrest, of the seat cushion.

In some embodiments, the seat back assembly includes a plurality of sets of seat back units arranged along a length of the seat pan unit, and each of the plurality of sets of seat back units is detachably connected to the seat pan unit.

In some embodiments, the seat cushion includes a cushion cover and a cushion liner detachably disposed in the cushion cover, and a side surface of the cushion cover facing the seat plate unit is provided with a plurality of anti-slip particles.

In some embodiments, the backrest comprises a backrest cover and a backrest lining made of high density sponge, the backrest lining is arranged in the backrest cover, and the surface of the backrest lining facing the seat cushion is a slope type surface.

In some embodiments, the armrest assembly comprises an armrest which is detachably arranged on one side short edge of the seat board unit;

or the handrail component comprises two handrails which are symmetrically and detachably arranged on the short edge edges at the two sides of the seat board unit;

alternatively, the armrest assembly comprises a plurality of armrests, the armrests being disposed on opposite sides of any one of the cushions.

In some embodiments, the handrail comprises a handrail sleeve and a handrail lining made of high density sponge, the handrail lining being disposed in the handrail sleeve, a surface of the handrail sleeve being provided with a receiving pocket.

In some embodiments, the seat plate unit includes a bottom plate and a supporting frame, the bottom plate is fixedly disposed on a surface of the supporting frame, and the supporting unit is connected to the supporting frame.

In some embodiments, the support unit comprises at least four support legs, the four support legs are respectively connected with four top corners of the support frame, and the free end of each support leg is provided with an anti-abrasion pipe plug.

In some embodiments, the base assembly further comprises a back plate, the back plate is arranged along the length direction of the seat plate unit and is fixedly connected with the seat plate unit, and the backrest is arranged to be attached to the back plate;

or the base component also comprises an anti-abrasion soft cushion which is arranged on the lateral surface of one side, close to the backrest, of the seat plate unit along the length direction of the seat plate unit.

In some embodiments, the sofa unit further comprises at least one securing strap;

the backrest is sleeved with a fixing belt;

and/or the handrail is sleeved with a fixing belt.

The combined sofa provided by the utility model at least comprises the following beneficial effects: according to the combined sofa, the back cushion component and the handrail component are detachably arranged on the seat board unit, the number and the positions of the back cushion unit and the handrails can be flexibly combined in the using process, the combined sofa is simple in structure, changeable in shape and rich in functions, and the using requirements of various scenes can be met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of a sofa assembly according to an embodiment of the present invention;

fig. 2 is a schematic top view of a sofa assembly according to an embodiment of the present invention;

fig. 3 is a left side view schematic structural diagram of a sofa assembly according to an embodiment of the present invention;

fig. 4 is a first perspective view of a sofa assembly according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a sectional sofa according to an embodiment of the present invention;

fig. 6 is a three-dimensional schematic view of a combination sofa according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of another assembled sofa according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, the present embodiment provides a sectional sofa, which at least includes a base assembly 10, a backrest assembly 20 and a handrail assembly 30. The base assembly 10 includes a seat plate unit 11 and a support unit 12, and the support unit 12 is connected with the seat plate unit 11. The seat back assembly 20 includes at least one set of seat back unit 21, and the seat back unit 21 includes a seat cushion 211 and a backrest 212, and the seat cushion 211 can be detached and set up in the surface of the seat plate unit 11, and the backrest 212 can be detached and set up in the long edge of the seat plate unit 11 and be located one side of the seat cushion 211. The armrest assembly 30 includes at least one armrest 31, and the armrest 31 is detachably disposed at a short side of the seat pan unit 11 on a side of the seat cushion 211 adjacent to the backrest 212.

One end of the supporting unit 12 is connected with the seat board unit 11, and the other end is a free end, and is used for contacting with the ground in the using process, so that the combined sofa can be supported integrally. The seat plate unit 11 can support the seatback assembly 20 and the armrest assembly 30, and the seat plate unit 11 has a long side in the length direction and a short side in the width direction, and the size of the seat plate unit can be set as required. It will be appreciated that the longer the length of the seat pan unit 11, the more back cushion units 21 can be provided thereon. The number of the back cushion units 21 may be set as desired, and may be, for example, 1 set, 2 sets, or more. Because the cushion 211 and the backrest 212 in the cushion-back unit 21 are detachably connected with the seat board unit 11, the placing positions and the placing number of the cushion-back unit can be adjusted according to the needs. The number of the armrests 31 included in the armrest assembly 30 can be set as required, for example, 1, 2 or more, and the arrangement position and number of the armrests 31 can be adjusted during use because the armrests 31 are detachably connected to the seat plate unit 11.

For example, referring to fig. 7, the number of the backrest units 21 is 2, 2 sets of the backrest units 21 are disposed along the length direction of the seat plate unit 11, the number of the handrails 31 is two, two handrails 31 are symmetrically disposed at the two short side edges of the seat plate unit 11, and two handrails 31 are respectively adjacent to one backrest unit 21.

For another example, referring to fig. 1, the number of the back cushion units 21 is 3, 3 sets of the back cushion units 21 are disposed along the length direction of the seat plate unit 11, the number of the handrails 31 is two, the handrails 31 are disposed at one short edge of the seat plate unit 11, and the handrails 31 are adjacent to one back cushion unit 21. In use, it is possible for the arm module 30 to have both arms 31 retained, with the sofa being formed into a U-shaped configuration (as shown in fig. 1); or only one armrest 31 can be kept after one armrest 31 is removed, and the combined sofa forms a toffee chair at the moment, which is convenient for users to use (as shown in fig. 4); the two armrests 31 can also be taken down, and the armrests 31 are not arranged at the two ends of the combined sofa at the moment, so that more people can be accommodated for use. For the cushion assembly 20, 3 sets of cushion units 21 can be reserved, and then the cushion assembly is used as a common sofa (as shown in fig. 4); or 1 set of cushion back unit 21 with the back edge removed, which can be used as a side edge (as shown in fig. 5); or 1 set of the back cushion unit 21 in the middle can be removed, at this time, the middle exposed seat plate unit 11 part can be used for placing articles such as a chessboard or a tea set, and a user can respectively sit in the back cushion units 21 at the two sides (as shown in fig. 6); or all the cushion units 21 can be removed, and the whole seat unit 11 can be used as a storage table.

It should be understood that the above examples are only used to illustrate a portion of the usage scenario of the sofa set and are not intended to limit the structure of the sofa set.

In the assembled sofa provided by the embodiment, the back cushion component 20 and the armrest component 30 are detachably arranged on the seat board unit 11, the number and the positions of the back cushion unit 21 and the armrests 31 can be flexibly combined in the using process, the assembled sofa has a simple structure, is changeable in shape and rich in functions, and can meet the using requirements of various scenes.

Further, referring to fig. 1 and 7, the seat plate unit 11 includes a bottom plate 111 and a supporting frame 112, the bottom plate 111 is fixedly disposed on a surface of the supporting frame 112, and the supporting unit 12 is connected to the supporting frame 112. The support frame 112 supports the bottom plate 111, and the two can be fixedly connected by screws or bonded by adhesives. Certainly, the supporting frame 112 and the bottom plate 111 can also be connected in a buckling mode, so that the disassembly is convenient; an accommodating groove can be further formed in the supporting frame 112, and the bottom plate 111 can be movably nested in the accommodating groove. Bottom plate 111 and support frame 112 all can adopt wooden material, metal tubular product concatenation or other materials to make, for example light colour wood grain melamine board, and the profile of bottom plate 111 and support frame 112 all adopts the rounded rectangle structure, can effectively prevent to cause the fish tail to the user in the use, improves the safety in utilization.

A plurality of first limiting grooves can be formed in the bottom plate 111, and each first limiting groove corresponds to one cushion 211, so that the cushions 211 can be accommodated and limited. The bottom plate 111 may also be provided with a plurality of second limiting grooves, and each second limiting groove corresponds to one backrest 212, so that the backrest 212 can be accommodated and limited. Third limiting grooves can be formed in the bottom plate 111, and each third limiting groove corresponds to one handrail 31, so that the handrails 31 can be accommodated and limited. The arrangement of the limiting groove improves the connection stability and the installation firmness of the cushion 211, the backrest 212 and the armrest 31.

In some embodiments, the supporting unit 12 comprises four supporting legs 121, the four supporting legs 121 are respectively connected with four corners of the supporting frame 112, and a free end of each supporting leg 121 is provided with an anti-wear pipe plug. The four legs 121 are provided to make the lower portion of the supporting frame 112 overhead, and the height thereof may be set as required, for example, 30 to 80 cm (e.g., 30 cm, 50 cm, 80 cm, etc.), and a large storage box may be accommodated therein. The supporting leg 121 can be fixedly connected with the supporting frame 112 by means of screws or bolts and the like, or can be detachably connected with the supporting frame 112 by means of threaded connection, and the shape of the supporting leg can be a conical tubular structure, or a quadrilateral, hexagonal, cylindrical or other structure; the anti-abrasion pipe plug arranged at the free end of the anti-abrasion pipe plug can be made of black plastic or wood, has anti-abrasion property, and cannot generate sharp sound in the moving process. The supporting legs 121 and the supporting frame 112 are arranged vertically or at a certain inclination angle, the inclination angle can be 60-90 degrees, and the arrangement can be carried out according to actual needs.

In some embodiments, the number of the support legs 121 in the support unit 12 may be more than 4, for example, may be 6, where four support legs 121 are respectively connected to four corners of the support frame 112, and the other two support legs 121 are symmetrically disposed along the length direction of the support frame 112, so as to perform a better support function.

In some embodiments, the supporting unit 12 may also be in other forms, for example, two supporting plates are provided, and the two supporting plates are symmetrically arranged along the two short sides of the supporting frame 112, so as to have a good supporting effect. Of course, the supporting unit 12 may have other forms, and is not limited herein.

In the using process, the setting of the base assembly 10 is different in consideration of the different practical using modes of the assembled sofa.

For example, the assembled sofa is directly attached to the wall surface through the back assembly 20 in the using process, so as to avoid making a back plate, thereby saving the cost, at this time, in order to avoid the friction between the assembled sofa and the wall surface, the service life of the assembled sofa is prolonged, the base assembly 10 further includes an anti-wear cushion 13 (as shown in fig. 3), and the anti-wear cushion 13 is arranged on the lateral surface of the support frame 112 near the backrest 212 side along the length direction of the support frame 112. When the assembled sofa is arranged close to the wall surface, the anti-abrasion soft cushion 13 is in direct contact with the wall surface, so that the support frame 112 and the bottom plate 111 can be prevented from being in direct contact with the wall surface.

For another example, the assembled sofa does not need to be disposed close to a wall surface during use, and at this time, in order to improve the supporting performance of the backrest 212, the base assembly 10 further includes a back plate disposed along the length direction of the seat plate unit 11 and fixedly connected to the supporting frame 112 of the seat plate unit 11, and the backrest 212 is disposed in close contact with the back plate. The back plate is equivalent to the back of the chair and can support the backrest 212 of the backrest unit 21, and the position of the assembled sofa can be set arbitrarily.

Further, the length of the sectional sofa may be 0.6-1.8 m according to the general use habit. For example, when the length of the sectional sofa is 0.6 m, the sectional sofa is a single sofa, and the backrest module 20 includes 1 set of backrest units 21. When the length of the assembled sofa is 1.2 meters, the assembled sofa is a twin sofa, and the backrest module 20 comprises 2 sets of backrest units 21 (as shown in fig. 7). When the length of the assembled sofa is 1.8 m, the assembled sofa is a three-person sofa, and the backrest module 20 comprises 3 sets of backrest units 21 (as shown in fig. 4). Of course, the length of the assembled sofa may be set to be longer, the cushion assembly 20 may include more sets of cushion units 21, multiple sets of cushion units 21 are arranged along the length direction of the seat plate unit 11, and the multiple sets of cushion units 21 are detachably connected to the seat plate unit 11.

Further, the cushion 211 includes a cushion cover and a cushion lining, the cushion lining is detachably disposed in the cushion cover, and a plurality of anti-slip particles are disposed on a side surface (cushion cover bottom) of the cushion cover facing the seat plate unit. The cushion lining is made of materials such as artificial cotton, down feather, soft polyurethane foam or latex, and is soft and comfortable. The surface fabric of cushion cover adopts the twill dacron backer of thickening, and the surface of cushion cover bottom sets up anti-skidding granule, and anti-skidding granule is made by silica gel material, and two-sided dripping is moulded, and two-sided antiskid can increase frictional force and adhesive force between cushion 211 and the bedplate unit 11, effectively prevents that cushion 211 can take place the displacement in the use. The number of the organic acid compounds can be set according to needs and is not limited herein.

The backrest 212 includes a backrest cover and a backrest lining made of high-density sponge, the backrest lining is detachably disposed in the backrest cover, and the surface of the backrest lining facing the seat cushion is a slope surface. The High-density foam has the weight of more than 45 kilograms per cubic meter of sponge, has the characteristics of external force absorption, fine and smooth hand feeling, softness and comfort, is not easy to deform, and can play a good supporting role for a user without additionally using a leaning bag. The surface of the backrest lining for contacting with a user is designed to be a slope surface, the inclination angle ranges from 15 degrees to 45 degrees (for example, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 45 degrees and the like), the backrest lining is in accordance with ergonomics, the user can lean directly, and the slope structure can provide a supporting effect for the waist of the user, so that the backrest lining is more comfortable to use. The side of the backrest 212 facing away from the sloped surface may be directly attached to a wall surface, which may provide good support for the backrest 212. Of course, the assembled sofa may not be disposed against the wall, and is not limited herein.

The seat cushion 211, the backrest 212 and the bottom plate 111, and the seat cushion 211 and the backrest 212 may be connected to each other as needed. For example, a plurality of first adhesive tapes may be disposed at the bottom of the seat cushion 211, a plurality of second adhesive tapes mutually matched with the first adhesive tapes are correspondingly disposed on the bottom plate 111, and the seat cushion 211 is detachably connected through the matching of the first adhesive tapes and the second adhesive tapes. The side of cushion 211 also can set up a plurality of third adhesive tape, connects through the third adhesive tape between the adjacent cushion 211. A fourth adhesive tape is arranged at a position, corresponding to the third adhesive tape, on the backrest 212, and the backrest 212 is detachably connected through the cooperation of the third adhesive tape and the fourth adhesive tape. The arrangement of the adhesive tape can improve the connection reliability and stability of the combined sofa. Of course, in other embodiments, the seat cushion 211, the backrest 212 and the bottom plate 111 may be connected by a zipper, and may also be connected by other manners, which is not limited herein.

Further, the number of the armrests 31 included in the armrest assembly 30 may be set as desired according to a specific use mode.

For example, when the sofa is used as a toffee chair, the arm assembly 30 may include only one arm 31, and the arm 31 may be detachably disposed at one side short edge of the bottom plate 111 in the seat plate unit 11 (as shown in fig. 4).

For another example, when the assembled sofa is used as a general U-shaped sofa, the armrest assembly 30 includes two armrests 31, and the two armrests 31 are symmetrically detachably disposed on the two short side edges of the bottom plate 111 in the seat unit 11 (as shown in fig. 1).

As another example, when the assembled sofa needs to provide good support for the hands of each user during use, the armrest assembly 30 includes a plurality of armrests 31, and the armrests 31 are disposed on opposite sides of any one of the cushions 211. For example, for a sectional sofa comprising 3 sets of cushion units 21, the number of the armrests 31 may be 4, wherein two armrests 31 are symmetrically and detachably disposed on the two short side edges of the bottom plate 111 in the seat plate unit 11, and the other two armrests 31 are disposed between two adjacent cushions 211 at intervals.

Of course, in other embodiments, the armrest 31 may have other configurations, and is not limited to the above.

The armrest 31 includes an armrest liner made of a high-density sponge and an armrest sleeve detachably disposed in the armrest sleeve, and a storage bag 32 (see fig. 3 and 7) is disposed on the surface of the armrest sleeve. The storage pockets 32 are preferably provided on the surface of the armrest cover on the side away from the seat cushion 211, and the number thereof may be set as needed. Of course, the storage bag 32 may be disposed on the opposite side surfaces of the armrest, so that the usage scenario is more abundant. The surface fabric of handrail cover adopts the twill dacron backer of thickening to make, and handrail cover bottom also can set up anti-skidding granule, can increase frictional force and adhesive force between the bottom plate 111 of handrail 31 and bedplate unit 11.

The handrail bottom can also be provided with a plurality of fifth adhesive tapes, and the fifth adhesive tapes are simultaneously adhered with the bottom plate 111, the backrest 212 and the cushion 211, so that the connection stability is improved.

Further, referring to fig. 4, the sofa assembly further includes fixing straps 40, the number of the fixing straps 40 may be set according to the requirement, for example, the fixing straps may be sleeved on the backrest 212, and at this time, one fixing strap 40 is sleeved on the surface of each backrest 212, so that the backrest sleeve and the backrest lining are fixed stably, and the sofa assembly may also have a decorative effect, and is more beautiful. The fixing band can also be sleeved on the handrail 31, and at the moment, the handrail 31 can also be sleeved with articles such as pillows and throw pillows, so that a user can support the head when lying conveniently, and the use is more comfortable. When the assembled sofa is used, the assembled sofa can also comprise the back cushions 50, the back cushions 50 can be placed at will according to the needs, and the number of the back cushions can also be set at will.

The combined sofa provided by the embodiment at least comprises the following beneficial effects:

(1) in this embodiment, the back cushion assembly 20 and the armrest assembly 30 are detachably arranged on the base unit 11, the back cushion unit 21 and the armrests 31 can be flexibly combined in the using process, the combined sofa is simple in structure, changeable in shape and rich in functions, and the using requirements of various scenes can be met.

(2) The support legs 121 are arranged so that the lower portion of the support frame 112 is overhead, and a large storage box can be stored.

(3) The cushion cover and the cushion lining of the cushion 211 can be detachably connected, the backrest cover and the backrest lining of the backrest can be detachably connected, the armrest sleeve and the armrest lining of the armrest can be detachably connected, so that the cloth can be detached, washed and replaced, and the chair is convenient and sanitary.

(4) The bottom surface of cushion 211 sets up anti-skidding granule, can increase frictional force and adhesive force between cushion 211 and bottom plate 111, effectively prevents that cushion 211 can take place the displacement in the use.

(5) The backrest 212 is in a slope shape, so that a user can conveniently lean on the backrest directly, and the slope surface structure can provide a supporting effect for the waist of the user, so that the backrest is more comfortable to use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A sofa complex, comprising:

the base assembly comprises a seat plate unit and a supporting unit, the seat plate unit comprises a bottom plate and a supporting frame, the bottom plate is fixedly arranged on the surface of the supporting frame, and the supporting unit is connected with the supporting frame;

the cushion assembly comprises at least one set of cushion unit, the cushion unit comprises a cushion and a backrest, the cushion is detachably arranged on the surface of the seat plate unit, and the backrest is detachably arranged at the long edge of the seat plate unit and is positioned at one side of the cushion;

the armrest component comprises an armrest which is detachably arranged at the edge of the short side of one side of the seat board unit; or the handrail component comprises two handrails which are symmetrically and detachably arranged on the short edge edges of the two sides of the seat board unit; or the armrest component comprises a plurality of armrests, and the armrests are arranged on two opposite sides of any one of the seat cushions;

wherein, set up a plurality of first spacing grooves, a plurality of second spacing grooves and a plurality of third spacing groove on the bottom plate, every first spacing groove corresponds a cushion, is used for right the cushion carries out the holding and spacing, every the second spacing groove corresponds a back, is used for right the back carries out the holding and spacing, every the third spacing groove corresponds a handrail, is used for right the handrail carries out the holding and spacing.

2. The combination sofa of claim 1, wherein the back cushion assembly includes a plurality of sets of back cushion units arranged along a length of the seat pan unit, the plurality of sets of back cushion units being removably connected to the seat pan unit.

3. The combination sofa of claim 1, wherein the cushion includes a cushion cover and a cushion lining, the cushion lining is detachably disposed in the cushion cover, and a side surface of the cushion cover facing the seat plate unit is provided with a plurality of anti-slip particles.

4. The sofa of claim 1, wherein the back includes a back cover and a back liner of high density sponge, the back liner being disposed in the back cover, the surface of the back liner facing the seat cushion being a ramped surface.

5. The combination sofa of claim 1, wherein the arm rests comprise arm rest sleeves and arm rest liners made of high density sponge, the arm rest liners being disposed in the arm rest sleeves, the surface of the arm rest sleeves being provided with receiving pockets.

6. The assembled sofa of claim 1, wherein the support unit comprises at least four support legs, the four support legs being connected to four corners of the support frame, respectively, and the free end of each support leg being provided with an anti-wear plug.

7. The sofa of any of claims 1-6, wherein the base assembly further comprises a back plate disposed along the length of the seat pan unit and fixedly connected to the seat pan unit, the backrest being disposed against the back plate;

or, the base subassembly still includes the abrasionproof cushion, the abrasionproof cushion along the length direction of bedplate unit set up in the bedplate unit is close to the lateral surface of back one side.

8. The assembled sofa of any of claims 1-6, further comprising at least one securing strap;

the fixing belt is sleeved on the backrest;

and/or the fixing belt is sleeved on the handrail.

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