CN215737967U

CN215737967U - Folding sofa

Info

Publication number: CN215737967U
Application number: CN202120278704.0U
Authority: CN
Inventors: 丁晨; 潘琛璐; 黄忠建
Original assignee: Anji Longwin Furniture Co Ltd
Current assignee: Anji Longwin Furniture Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-02-08
Anticipated expiration: 2031-02-01
Also published as: WO2022160851A1

Abstract

The utility model provides a folding sofa, includes two bases, two cushions, two backs and two handrails, be connected with first rotation piece between two bases to folding when making two bases inwards rotate through first rotation piece, expand when outwards rotating, two cushions set up and lie in the top of base with the base integrated into one piece that corresponds respectively, two backs rotate through the second respectively and connect in the cushion that corresponds, two handrails install in the left side or the right side of the cushion that corresponds through the connecting piece respectively. The sofa has the advantages that the volume of the sofa can be reduced by folding, the use state of the backrest can be changed, the sofa can be changed from sitting to leaning to lying, the operation is very convenient, only the backrest needs to be rotated, the second rotating piece for adjusting can rotate along with the rotation of the backrest, the use state conversion of the backrest is realized, meanwhile, the positioning effect is stable, and the sofa can be stably maintained in the use state required by a user.

Description

Folding sofa

Technical Field

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

Background

At present, the sofa is the furniture of people's daily use, and it can provide soft elastic surface through the shock attenuation subassembly of inside setting and supply people to sit or lie. The traditional sofa mostly adopts a self-contained process structure, the sofa occupies a large space, is inconvenient to transport, is easy to collide during the transportation of the sofa, and even can have the condition that the sofa is difficult to enter a house due to small house type. In addition, the sofa with the integral technical structure has larger volume, larger volume of package required in the transportation process and higher transportation cost, thereby leading to increased cost.

Publication No. CN210630934U discloses a sofa facilitating easy disassembly or assembly, which comprises a first sofa and at least a second sofa connected with the first sofa. The first sofa comprises a body, two side walls positioned at two sides of the body, at least two connecting mechanisms arranged on one of the two side walls and at least two clamping structures arranged on the other of the two side walls. The connecting mechanism includes a housing disposed on the side wall, a spring secured in the housing, and a connector secured to a free end of the spring. The connector comprises a ball head part, a neck part connected with the ball head part, and a main body part connected with the neck part. The maximum diameter of the ball head part is larger than the minimum diameter of the neck part. The minimum diameter of the main body part is larger than that of the neck part. The clamping structure comprises a round hole part and a clamping groove part communicated with the round hole part. The diameter of the round hole part is equivalent to that of the ball head part. The width of the clamping groove part is equivalent to the diameter of the neck part. The arrangement direction of the round hole part and the clamping groove part is parallel to the direction of the plumb line. The second sofa has the same connecting mechanism and clamping structure as the first sofa, and the connecting mechanism of the first sofa is clamped on the clamping structure of the second sofa. When the ball head part of the connecting mechanism is clamped in the clamping groove part, the spring is in a stretching state. The portability, ease of installation and use of the required packaging of such sofas have not met with many of the needs of a removable sofa.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve the above-mentioned shortcomings of the prior art and to provide a foldable sofa to solve the above-mentioned problems.

The utility model adopts the technical scheme for solving the technical problems that: this kind of foldable sofa, including two bases, two cushions, two backs and two handrails, be connected with first rotation piece between two bases, and it is folding when making two bases inwards rotate through first rotation piece, expand when outwards rotating, two cushions set up and lie in the top of base with the base integrated into one piece that corresponds respectively, two backs rotate through the second respectively and connect in the cushion that corresponds, and rotate through the second and make the back have vertically, slant and three kinds of horizontal states, two handrails are installed in the left side or the right side of the cushion that corresponds through the connecting piece respectively, and make the handrail can dismantle through the connecting piece.

Further perfection, the first rotating part is provided with a rotating shaft and two installation sheets, and the two installation sheets rotate on the rotating shaft together and are respectively installed on the lower surfaces of the corresponding bases.

Further perfecting, the lower surface of base is located to have the opening that leads to the cushion in the middle of the position to deposit the chamber through this opening formation, the lower surface of base still has the sealed cloth that is used for sealed opening, and the sealed cloth has the import that can open through the zip fastener.

Further perfect, have the interval between the preceding terminal surface of cushion and the preceding terminal surface of base, this interval makes the back when being horizontal state the base can provide the lower part for the back and support.

Further perfect, the second rotates the piece and includes fixed angle bar, activity angle bar and connects the angle modulation portion between them, and fixed angle bar is installed in the left side wall or the right side wall of cushion, and the activity angle bar is installed in the left side wall or the right side wall of back to drive the back through angle modulation portion and present vertical, slant and horizontal three kinds of states.

Further perfect, angle adjustment portion includes guide structure and rather than the cooperation structure of rotating the connection, guide structure is fixed in the one end that fixed angle bar is close to the activity angle bar, it is the column and has along its passageway of external circumference internal deviation, the passageway has the draw-in groove that the center that the passageway used the passageway in many places distributed as centre of a circle annular array, cooperation structure is fixed in the one end that the activity angle bar is close to fixed angle bar, it is column and medial surface and has two carriage release levers at the passageway removal, two carriage release levers are blocked in corresponding two draw-in grooves that are relative setting when the location simultaneously.

Further perfection, the inner wall of the channel is also provided with a soft glue layer for reducing the width of the channel.

Further perfect, the connecting piece includes that two are inserted the portion and two are inserted the portion, and the portion of inserting is inserted the corresponding portion of inserting and can be realized connecting when connecting, and two are inserted the portion and are installed respectively in the inside wall of corresponding handrail, and two are inserted the portion and install respectively in the left side wall or the right side wall of corresponding cushion.

Further perfection, the inserting part is a sheet-shaped body and is vertically arranged, the front end and the rear end of the inserting part are both inwards bent by 45 degrees, the inserted part is a sheet-shaped body and is vertically arranged, and the front end and the rear end of the inserted part are inwards bent by 135 degrees.

The lower surface of the base and the lower surface of the handrail are in the same level, the lower surface of the base is provided with two first supporting legs which are symmetrically distributed front and back, and the lower surface of the base is provided with two second supporting legs which are symmetrically distributed front and back.

The utility model has the beneficial effects that:

the sofa can be folded to reduce the volume of the sofa, can change the use state of the backrest, changes the sitting state from the leaning state to the lying state, is very convenient to operate, only needs to rotate the backrest, and the second rotating piece for adjusting can rotate along with the rotation of the backrest, so that the use state conversion of the backrest is realized, and meanwhile, the positioning effect is stable, and the use state required by a user can be stably maintained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of two bases and a first rotating member according to the present invention;

FIG. 3 is a schematic structural view of the bottom surface of the base of the present invention;

FIG. 4 is a schematic view of the seat, backrest and second rotatable member of the present invention;

FIG. 5 is a schematic, full cross-sectional view of a second rotatable member in accordance with the present invention;

FIG. 6 is an enlarged, fragmentary view of FIG. 5 of the present invention;

FIG. 7 is a schematic view of the structure of the seat cushion, armrests and connecting members of the present invention;

FIG. 8 is an enlarged partial view of FIG. 7 in accordance with the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

with reference to the accompanying drawings: this kind of foldable sofa, including two bases 1, two cushions 2, two backs 3 and two handrails 4, be connected with first rotation piece between two bases 1, and make two bases 1 folding when inwards rotating through first rotation piece, expand when outwards rotating, two cushions 2 set up and lie in the top of base 1 with corresponding base 1 integrated into one piece respectively, two backs 3 rotate through the second respectively and connect in corresponding cushion 2, and rotate through the second and make back 3 have vertical, slant and horizontal three kinds of states, two handrails 4 install respectively in the left side or the right side of corresponding cushion 2 through the connecting piece, and make handrail 4 can dismantle through the connecting piece. The principle of the utility model lies in that the two bases 1 are rotatably connected under the action of the first rotating member, so that in the packaging stage, the two bases can rotate inwards and are overlapped together, the size of the sofa is changed from the length of the two bases 1 to the length of one base 1, and the base 1 and the cushion 2 are integrally formed, so that the two bases 1 and the two cushions 2 can be stored in one packaging box, the external package for packaging the sofa components can be properly reduced, the generation of garbage is reduced, the low-carbon and environment-friendly call is responded, meanwhile, the sofa can also be subjected to form conversion, namely the use state of the backrest 3 is changed through the second rotating member, the sofa can be changed from sitting to lying, the connecting member has a guiding function, so that a user can independently complete the assembly, and the time is short.

In order to conveniently drive the two bases 1 to synchronously rotate inwards or outwards, the first rotating part is provided with a rotating shaft 51 and two installation pieces 52, the two installation pieces 52 rotate in the rotating shaft 51 together and are installed on the lower surfaces of the corresponding bases 1 respectively, so that the two installation pieces 52 can have rotating capacity through one rotating shaft 51, the first rotating part is more flexible in use, meanwhile, the two bases 1 can be used more flexibly, in the packaging stage, the two bases 1 can be folded together by operating any one base 1 or operating the two bases 1 simultaneously, in the use stage, the two bases 1 can be unfolded by operating any one base 1 or operating the two bases 1 simultaneously, the two bases are in a tiled state, and the folding type base is convenient and fast.

In order to reduce the use of external packing, the lower surface of the base 1 has an opening 11 leading to the cushion 2 at a central position, and a storage cavity is formed through the opening 11, the lower surface of the base 1 further has a sealing cloth 12 for sealing the opening 11, the sealing cloth 12 has an inlet 12-a opened by a zipper for storing two armrests 4 and other components, so that the external packing for packing the sofa components can be properly reduced, thereby reducing the generation of garbage, responding to low-carbon and environment-friendly calls, and simultaneously, in order to avoid the armrests 4 or other components from impacting the packing box for packing the base 1 and the cushion 2 during the transportation, the sealing cloth 12 is added at the opening 11, the sealing cloth 12 not only can be used as a sealing piece for preventing the armrests 4 and other components from falling off, but also can be used as a dustproof piece for preventing dust from entering the storage cavity, the sealing cloth 12 further has an inlet 12-a opened by the zipper, specifically, a part of the sealing cloth 12 is taken down and then the zipper is installed, so that when the handrail 4 or other parts are taken out, the whole sealing cloth 12 does not need to be taken down, and the operation is convenient and fast.

When adjusting the sofa to the bed of lying, the part of user's weight that bears is more than in cushion 2, back 3 also can bear certain weight, have the interval between the preceding terminal surface of cushion 2 and the preceding terminal surface of base 1, this interval makes back 3 base 1 can provide the lower part support for back 3 when being horizontal state, so setting up makes back 3 when falling through the second connecting piece and be horizontal state, 3 lower part holding power can be given to back by base 1 equally, thereby can support the weight when the user lies down, thereby also avoid taking place because the second connecting piece bears the cracked condition of pressure too big.

In order to realize that the backrest 3 can realize three states under the adjustment of the second rotating part, the second rotating part comprises a fixed angle iron 61, a movable angle iron 62 and an angle adjusting part 63 for connecting the fixed angle iron 61 and the movable angle iron 62, the fixed angle iron 61 is arranged on the left side wall or the right side wall of the seat cushion 2, the movable angle iron 62 is arranged on the left side wall or the right side wall of the backrest 3, the backrest 3 is driven by the angle adjusting part 63 to be in three states of vertical, oblique and transverse, the movable angle iron 62 is rotatably connected with the fixed angle iron 61, so that the backrest 3 can be rotated, the angle adjusting part 63 is used for realizing the angle adjustment of the backrest 3, namely, the backrest 3 can be stably kept at a certain angle, and more selectivity is provided for users.

In order to realize the positioning effect of the angle adjusting part 63, the angle adjusting part 63 includes a guiding structure and a matching structure rotatably connected therewith, the guiding structure is fixed at one end of the fixed angle iron 61 close to the movable angle iron 62, the guiding structure is columnar and has a channel 63-a1 deviated inwards along the outer circumference, the channel 63-a1 has a plurality of clamping grooves 63-a11 distributed in an annular array with the center of the channel 63-a1 as the center, the matching structure is fixed at one end of the movable angle iron 62 close to the fixed angle iron 61, the matching structure is columnar and has two moving rods 63-b1 moving in the channel 63-a1 on the inner side surface, the two moving rods 63-b1 are clamped in the corresponding two clamping grooves 63-a11 arranged oppositely when in positioning, the arrangement can realize quick positioning and has good positioning stability, the moving rods 63-b1 can rotate in the channel 63-a1 by rotating the matching structure, namely, the backrest 3 is adjusted until the movable rod 63-b1 enters the clamping groove 63-a11, so that positioning is realized, convenience and rapidness are realized, and meanwhile, the clamping grooves 63-a11 in each positioning state are grouped in pairs, so that the positioning effect is better.

Further perfection, the inner wall of the channel 63-a1 is also provided with a soft rubber layer 8 for reducing the width of the channel, and after the width of the channel 63-a1 is reduced, the movable rod 63-b1 has resistance when the channel 63-a1 moves, and the resistance can ensure that the movable rod 63-b1 cannot move in a static state, namely the movable rod 63-b1 existing in the clamping groove 63-a11 cannot enter the channel 63-a1 in a force-free state.

In order to facilitate the assembly of the seat cushion 2 and the armrest 4, the connecting member includes two inserting portions 71 and two inserted portions 72, when the connecting member is connected, the inserting portions 71 are inserted into the corresponding inserted portions 72 to realize the connection, the two inserting portions 71 are respectively installed on the inner side walls of the corresponding armrests 4, the two inserted portions 72 are respectively installed on the left side wall or the right side wall of the corresponding seat cushion 2, when the assembling member is assembled, the inserting portions 71 are only required to be inserted into the inserted portions 72, the operation difficulty is avoided, a user can independently complete the operation, and the seat cushion is convenient and fast.

In order to ensure that the connecting stability of the connecting piece is good, the inserting part 71 is a sheet-shaped body and is vertically arranged, the front end and the rear end of the inserting part are both inwards bent by 45 degrees, the inserted part 72 is a sheet-shaped body and is vertically arranged, the front end and the rear end of the inserted part are inwards bent by 135 degrees, the inserted part 72 not only has a space for inserting the inserting part 71, but also has the function of limiting the inserting part 71 in the inserted part 72 and avoiding the separation, when the inserting part 71 is inserted in the inserted part 72, the part of the inserting part 71, which is inwards bent by 45 degrees, is overlapped with the part of the inserted part 72, which is inwards bent by 135 degrees, namely, the part of the inserting part 71, which is inwards bent by 45 degrees, is clamped in the part of the front end and the rear end of the inserted part 72, so as to avoid the separation.

Further perfection, the lower surface of the base 1 and the lower surface of the handrail 4 are in the same level, two first supporting feet 13 which are symmetrically distributed in the front-back direction are arranged on the lower surface of the base 1, two second supporting feet 14 which are symmetrically distributed in the front-back direction are arranged on the lower surface of the base 1, the first supporting feet 13 and the second supporting feet 14 are used for enabling the lower surface of the base 1 or the handrail 4 to have a distance with the ground, thus the lower surface of the base 1 or the handrail 4 can be prevented from wearing floor decorations such as floors and tiles, the ground decorations can be protected, moreover, the contact surfaces of the first supporting feet 13 and the second supporting feet 14, which are contacted with the ground, are coated with anti-wear materials, the first supporting feet 13 and the second supporting feet 14 are also prevented from wearing, the situation that the heights of the first supporting feet 13 and the second supporting feet 14 are not uniform is avoided, the service life is prolonged, and meanwhile, the first supporting feet 14 are in a T shape, it functions to be supported at the mating surface between the two bases 1 where the first rotating member is attached, so that the weight applied by the user can be distributed to the first supporting leg 14, thereby reducing the load on the first rotating member.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a folding sofa, includes two bases (1), two cushion (2), two backs (3) and two handrail (4), its characterized in that: two be connected with first rotation piece between base (1), and through first rotation piece makes two folding when base (1) is inwards rotated, expand when outwards rotating, two cushion (2) respectively with correspond base (1) integrated into one piece sets up and is located the top of base (1), two back (3) rotate through the second respectively and connect in corresponding cushion (2), and through the second rotates the piece and makes back (3) have vertical, slant and horizontal three kinds of states, two handrail (4) install respectively in corresponding through the connecting piece the left side or the right side of cushion (2), and through the connecting piece makes handrail (4) can dismantle.

2. The folding sofa of claim 1, wherein: the first rotating piece is provided with a rotating shaft (51) and two mounting pieces (52), the two mounting pieces (52) rotate on the rotating shaft (51) together and are mounted on the lower surfaces of the corresponding bases (1) respectively.

3. The folding sofa of claim 2, wherein: the lower surface of the base (1) is provided with an opening (11) which is communicated with the cushion (2) at the central position, a storage cavity is formed through the opening (11), the lower surface of the base (1) is also provided with a sealing cloth (12) which is used for sealing the opening (11), and the sealing cloth (12) is provided with an inlet (12-a) which can be opened through a zipper.

4. The folding sofa of claim 3, wherein: the front end face of the seat cushion (2) and the front end face of the base (1) are spaced, and the spacing enables the base (1) to provide lower support for the backrest (3) when the backrest (3) is in a transverse state.

5. The folding sofa of claim 4, wherein: the second rotates the piece and includes fixed angle bar (61), activity angle bar (62) and connect angle adjustment portion (63) between them, fixed angle bar (61) install in the left side wall or the right side wall of cushion (2), activity angle bar (62) install in the left side wall or the right side wall of back (3), and pass through angle adjustment portion (63) drive back (3) present vertical, slant and horizontal three kinds of states.

6. The folding sofa of claim 5, wherein: the angle adjusting part (63) comprises a guide structure and a matching structure in rotary connection with the guide structure, the guide structure is fixed at one end, close to the movable angle iron (62), of the fixed angle iron (61), is columnar and is provided with a channel (63-a 1) which is internally offset along the outer circumference of the fixed angle iron, the channel (63-a 1) is provided with a plurality of clamping grooves (63-a 11) which are distributed in an annular array by taking the center of the channel (63-a 1) as a circle center, the matching structure is fixed at one end, close to the fixed angle iron (61), of the movable angle iron (62), is columnar and is provided with two moving rods (63-b 1) which move in the channel (63-a 1) on the inner side face, and the two moving rods (63-b 1) are clamped in the two corresponding clamping grooves (63-a 11) which are arranged oppositely when being positioned.

7. The folding sofa of claim 6, wherein: the inner wall of the channel (63-a 1) is also provided with a soft glue layer (8) to reduce its width.

8. The folding sofa of claim 7, wherein: the connecting piece includes two portions of inserting (71) and two by inserting (72), when connecting insert portion (71) and insert the correspondence by inserting portion (72) can realize connecting, two insert portion (71) install respectively in the correspondence the inside wall of handrail (4), two by inserting portion (72) install respectively in the correspondence the left side wall or the right side wall of cushion (2).

9. The folding sofa of claim 8, wherein: the inserting portion (71) is a sheet-shaped body and is vertically arranged, the front end and the rear end of the inserting portion are both inwards bent by 45 degrees, the inserted portion (72) is a sheet-shaped body and is vertically arranged, and the front end and the rear end of the inserted portion are inwards bent by 135 degrees.

10. The folding sofa of claim 9, wherein: the lower surface of the base (1) and the lower surface of the handrail (4) are on the same level, two first supporting legs (13) which are symmetrically distributed in the front-back direction are arranged on the lower surface of the base (1), and two second supporting legs (14) which are symmetrically distributed in the front-back direction are arranged on the lower surface of the base (1).