CN115429063A

CN115429063A - Turnover folding sofa

Info

Publication number: CN115429063A
Application number: CN202211300847.2A
Authority: CN
Inventors: 赵万滨
Original assignee: Huizhou Fuxiangyuan Furniture Co ltd
Current assignee: Huizhou Fuxiangyuan Furniture Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-06

Abstract

The invention relates to the technical field of sofas, in particular to a turnover folding sofa, which comprises a sofa seat, wherein a rotating groove is formed in one side of the upper end surface of the sofa seat, the inside of the rotating groove is rotationally connected with a sofa back extending to the outer side of the sofa seat through a rotating assembly, a locking assembly movably clamped with the rotating assembly is movably inserted in the outer end surface of the sofa seat, sofa handrails are rotationally connected to the left side and the right side of the sofa back through hinge assemblies on the upper end surface of the sofa seat, rotating grooves are formed in the left side and the right side end surfaces of the inside of the rotating groove, two groups of rotating discs are respectively rotationally connected to the insides of the two groups of rotating grooves, and rotating shafts extending to the insides of the rotating grooves are fixedly connected to the outer end surfaces of the two groups of rotating grooves.

Description

Turnover folding sofa

Technical Field

The invention relates to the technical field of turnover folding sofas, in particular to a turnover folding sofa.

Background

A sofa is a multi-seat chair with soft cushions, a backrest chair with springs or thick foam plastics and the like is arranged, and armrests are arranged on two sides of the backrest chair, so that the sofa is one of soft furniture.

Along with the rise of the concept of reducing occupied land by folding and having multiple functions, the folding sofa gradually begins to be popularized, for example, a novel folding sofa provided by the Chinese patent number 'CN 201910687929.9', the length direction of the folding sofa is defined as left and right, the width direction of the folding sofa is defined as front and back, and the state of the folding sofa changes between a storage state and a use state.

However, the folding and fixing mechanism is very complex, even needs to be driven by an electric element, which not only generates noise and heat accumulation, but also causes the internal space of the sofa to be excessively occupied, thereby reducing the flexibility of the sofa, and then is difficult to add other functions by utilizing the internal space of the sofa, therefore, a structure with simple folding and overturning structure and small occupied space is needed.

Disclosure of Invention

The invention aims to solve the defects that a fixing mechanism is quite complex, the internal space of a sofa occupies too much and the like in the prior art, and provides a turnover folding sofa.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a design foldable sofa of upset, includes the sofa seat, the rotation groove has been seted up to one side of sofa seat up end, the inside in rotation groove is rotated through rotating assembly and is connected with and extends to the sofa back of the body outside the sofa seat, the activity is pegged graft on the outside end face of sofa seat have with the locking subassembly of rotating assembly activity joint, lie in on the up end of sofa seat the left and right sides of sofa back of the body all is connected with the sofa handrail through hinge assembly rotation.

Preferably, the rotating assembly comprises two groups of turntables, the rotary grooves are formed in the end faces of the left side and the right side of the inner part of each rotary groove, the turntables are connected in the two groups of rotary grooves in a rotating mode, the outer end faces of the rotary grooves are connected with the rotating shafts extending to the inner parts of the rotary grooves in a fixedly connected mode, and the rotating shafts are connected with the end faces of the left side and the right side of the lower end of the sofa back in a fixed mode.

Preferably, a plurality of groups of rollers are rotatably connected to the end face of the inner side of the rotary groove, and the plurality of groups of rollers are in sliding abutting joint with the peripheral end face of the rotary table.

Preferably, the locking assembly comprises an inserting rod, one end of the inserting rod penetrates through the outer wall of the sofa seat and extends to the inside of the rotary groove, an annular groove is formed in the peripheral end face of the rotary plate, a plurality of groups of first convex teeth are uniformly formed in the circumference of the outer end face of the annular groove, one end of the inserting rod is movably inserted between the adjacent two groups of the first convex teeth, and the peripheral end face of the inserting rod is slidably connected with a first spring between the inner side end faces of the sofa seat.

Preferably, the locking assemblies and the two sets of turntables are correspondingly provided with two sets, the section of one end of the inserted link positioned in the turning groove is of a right-angle slope structure, one end of the inserted link positioned at the outer side of the sofa seat is integrally formed with a pull plate, and a limiting part movably inserted in the pull plate is fixedly arranged on the end face of the outer side of the sofa seat.

Preferably, the hinge subassembly includes two sets of bottom plates, two sets of the bottom plate respectively with the outside terminal surface of sofa seat with the outside terminal surface fixed connection of sofa handrail, two sets of equal subtend crisscross back shaft that is provided with on the relative terminal surface of bottom plate, two sets of sliding connection has the pull rod between the inside of back shaft, the pull rod is located two sets of fixedly connected with baffle on the peripheral terminal surface between the back shaft, set up the second dogtooth of the mutual joint of multiunit between baffle and the relative terminal surface of a set of back shaft, the pull rod is located another group the inside one end sliding connection of back shaft has spacing subassembly.

Preferably, the limiting assembly comprises a limiting sliding block, the limiting sliding block is connected to the inside of the supporting shaft in a sliding mode, and a second spring is connected between the baffle and the supporting shaft.

Preferably, the hinge assembly is provided with a plurality of groups, and a push rod is fixedly connected between the pull rods on the hinge assembly positioned on the same side.

The invention provides a turnover folding sofa, which has the beneficial effects that:

the sofa back and the sofa armrest can rotate and fix the rotation angle respectively through the rotating assembly, the locking assembly and the hinge assembly, the structure is simple and easy to realize, the occupation of the internal space of the sofa is reduced, the weight of the sofa is reduced, and the complexity of use and operation is reduced;

the cross section of one end of the inserted rod on the locking assembly is of a right-angled slope structure through the two groups of locking assemblies, so that a pawl effect can be achieved, and a one-way locking or two-way locking effect can be achieved by changing the rotating angles of the two groups of inserted rods, so that the fixing and the adjustment are facilitated;

through the hinge assembly, the rotation angle between the sofa armrest and the sofa seat can be changed or fixed, so that the sofa armrest can be conveniently erected or placed flat, and the sofa armrest is convenient to use.

Drawings

Fig. 1 is a schematic view of a main structure of a foldable sofa according to the present invention;

FIG. 2 is a schematic cross-sectional view of a rotating assembly of a convertible folding sofa according to the present invention;

FIG. 3 is an enlarged schematic view of the area A of the foldable sofa according to the present invention;

FIG. 4 is a schematic cross-sectional view of the hinge assembly of the flip foldable sofa according to the present invention;

fig. 5 is an enlarged structural diagram of a B-zone of the foldable sofa according to the present invention.

In the figure: 1. a sofa seat; 101. a rotating groove; 2. carrying out sofa back; 3. rotating the groove; 301. a roller; 4. a turntable; 401. a ring groove; 5. a rotating shaft; 6. a first convex tooth; 7. inserting a rod; 8. a limiting member; 9. a first spring; 10. a sofa armrest; 11. a base plate; 12. a support shaft; 13. a pull rod; 1301. a limiting slide block; 14. a baffle plate; 15. a second convex tooth; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a turnover folding sofa comprises a sofa seat, wherein a rotating groove 101 is formed in one side of the upper end face of the sofa seat 1, a sofa back 2 extending to the outer side of the sofa seat 1 is rotatably connected to the inside of the rotating groove 101 through a rotating assembly, a locking assembly movably clamped with the rotating assembly is movably inserted into the end face of the outer side of the sofa seat 1, and sofa handrails 10 are rotatably connected to the left side and the right side of the sofa back 2 on the upper end face of the sofa seat 1 through hinge assemblies.

Referring to fig. 2, 3, the runner assembly includes two sets of carousels 4, all seted up the turn trough 3 on the inside left and right sides terminal surface of turn trough 101, two sets of carousels 4 rotate respectively and connect in the inside of two sets of turn troughs 3, equal fixedly connected with extends to the pivot 5 of turn trough 101 inside on the outside terminal surface of two sets of turn troughs 3, two sets of pivots 5 respectively with the left and right sides terminal surface fixed connection of the 2 lower extremes of sofa back of the body, make can rotate sofa back of the body 2 along turn trough 3, play the effect of rotating the connection.

The inside end face of the rotary groove 3 is rotatably connected with a plurality of groups of rolling shafts 301, and the plurality of groups of rolling shafts 301 are all in sliding butt joint with the peripheral end face of the rotary disc 4, so that friction is reduced, and rotation is facilitated.

The locking assembly comprises an inserting rod 7, one end of the inserting rod 7 penetrates through the outer wall of the sofa seat 1 and extends to the inside of the rotary groove 3, a ring groove 401 is formed in the peripheral end face of the rotary table 4, a plurality of groups of first convex teeth 6 are uniformly formed in the circumference of the outer end face of the ring groove 401, one end of the inserting rod 7 is movably inserted between two adjacent groups of first convex teeth 6, and a first spring 9 is connected between the peripheral end face of the inserting rod 7 and the inner side end face of the sofa seat 1 in a sliding mode, so that the rotary table 4 can be fixed to the rotating angle inside the rotary groove 3.

The subassembly of being locked corresponds with two sets of carousels 4 and is provided with two sets ofly, and the section that inserted bar 7 is located the one end of 3 inside in turn channels is right angle slope surface structure, and one end integrated into one piece that inserted bar 7 is located the sofa seat 1 outside has the arm-tie, and fixed being provided with the activity on the outside terminal surface of sofa seat 1 is pegged graft in the inside locating part 8 of arm-tie, plays the effect of pawl, through the turned angle that changes two sets of inserted bars 7, can play the dead effect of one-way lock or two-way lock.

Referring to fig. 1, 4, 5, the hinge assembly includes two sets of bottom plates 11, two sets of bottom plates 11 respectively with the outside terminal surface of sofa seat 1 and the outside terminal surface fixed connection of sofa handrail 10, equal opposite direction crisscross back shaft 12 that is provided with on the relative terminal surface of two sets of bottom plates 11, sliding connection has pull rod 13 between the inside of two sets of back shaft 12, pull rod 13 is located fixedly connected with baffle 14 on the peripheral terminal surface between two sets of back shaft 12, set up the second dogtooth 15 of multiunit mutual joint between baffle 14 and the relative terminal surface of a set of back shaft 12, pull rod 13 is located the inside one end sliding connection of another set of back shaft and has spacing subassembly, play and rotate the effect of connecting.

The limiting assembly comprises a limiting slider 1301, the limiting slider 1301 is slidably connected inside a group of supporting shafts 12, and a second spring 16 is connected between the baffle 14 and the supporting shafts 12, so that the rotating angles of the two groups of bottom plates 11 can be fixed.

Hinge assembly is provided with the multiunit, and the fixedly connected with push rod between the pull rod 13 on the multiunit hinge assembly that lies in same one side is convenient for concurrent operation to improve stability.

A working mode; when the sofa seat is in work, the sofa seat 1 is moved to a required area, when the angle of the sofa armrest 10 needs to be adjusted, the pull rod 13 is pushed or pulled, so that the second convex teeth 15 in multiple groups are separated from each other, at the moment, the sofa armrest 10 can be rotated, when the sofa armrest 10 is rotated to a required angle, the pull rod 13 can be loosened, the second convex teeth 15 in multiple groups are clamped with each other under the pushing of the second spring 16, and the fixing effect can be achieved;

when the angle of the sofa back 2 needs to be rotated, the inserting rod 7 is pulled outwards and the rotating angle of the inserting rod 7 is adjusted, the sofa back 2 can be pushed to change the angle of the sofa back 2 at the moment, a set of inserting rods 7 are rotated reversely after the adjustment is completed, the effect of bidirectional locking can be achieved at the moment, and the arranged limiting part 8 can prevent the inserting rod 7 from rotating automatically and plays a limiting role.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a foldable sofa overturns, includes the sofa seat, its characterized in that: rotation groove (101) have been seted up to one side of sofa seat (1) up end, the inside of rotating groove (101) is rotated through rotating assembly and is connected with and extends to sofa back of the body (2) in sofa seat (1) outside, the activity is pegged graft on the outside terminal surface of sofa seat (1) have with the locking subassembly of rotating assembly activity joint, be located on the up end of sofa seat (1) the left and right sides of sofa back of the body (2) all is connected with sofa handrail (10) through hinge assembly rotation.

2. The flip-up folding sofa of claim 1, wherein: the runner assembly includes two sets of carousel (4), all seted up on the left and right sides terminal surface of rotation groove (101) inside, it is two sets of carousel (4) rotate respectively connect in two sets of the inside of revolving groove (3), it is two sets of equal fixedly connected with extends to on the outside terminal surface of revolving groove (3) rotate pivot (5) of groove (101) inside, it is two sets of pivot (5) respectively with left and right sides terminal surface fixed connection of sofa back of the body (2) lower extreme.

3. The flip-up folding sofa of claim 2, wherein: the inner side end face of the rotary groove (3) is rotatably connected with a plurality of groups of rolling shafts (301), and the plurality of groups of rolling shafts (301) are all in sliding butt joint with the peripheral end face of the rotary disc (4).

4. The flip-up folding sofa of claim 2, wherein: the position locking assembly comprises an inserting rod (7), one end of the inserting rod (7) penetrates through the outer wall of the sofa seat (1) extends to the inside of the rotary groove (3), an annular groove (401) is formed in the peripheral end face of the rotary disc (4), a plurality of groups of first convex teeth (6) are uniformly formed in the circumference of the outer end face of the annular groove (401), one end of the inserting rod (7) is movably inserted into the adjacent two groups of first convex teeth (6), the peripheral end face of the inserting rod (7) is connected with a first spring (9) in a sliding mode between the inner side end faces of the sofa seat (1).

5. The flip-folding sofa of claim 4, wherein: the locking assembly and the two sets of turntables (4) are correspondingly provided with two sets, the section of one end of the inserting rod (7) positioned in the rotary groove (3) is a right-angle slope surface structure, the inserting rod (7) is positioned at one end of the outer side of the sofa seat (1) and is integrally formed with a pull plate, and a limiting part (8) movably inserted in the pull plate is fixedly arranged on the end face of the outer side of the sofa seat (1).

6. The flip-up folding sofa of claim 1, wherein: hinge subassembly includes two sets of bottom plates (11), and is two sets of bottom plate (11) respectively with the outside end face of sofa seat (1) with the outside end face fixed connection of sofa handrail (10), two sets of equal subtend crisscross back shaft (12) that is provided with on the relative terminal surface of bottom plate (11), two sets of sliding connection has pull rod (13) between the inside of back shaft (12), pull rod (13) are located two sets of fixedly connected with baffle (14) on the peripheral terminal surface between back shaft (12), set up second dogtooth (15) of the mutual joint of multiunit between baffle (14) and a set of back shaft (12) the relative terminal surface, pull rod (13) are located another group the inside one end sliding connection of back shaft (12) has spacing subassembly.

7. The flip-up folding sofa of claim 6, wherein: the limiting assembly comprises a limiting sliding block (1301), the limiting sliding block (1301) is connected to the inside of the supporting shaft (12) in a sliding mode, and a second spring (16) is connected between the baffle (14) and the supporting shaft (12).

8. The flip-up folding sofa of claim 7, wherein: the hinge assembly is provided with a plurality of groups, and push rods are fixedly connected between the pull rods (13) on the hinge assembly which are positioned on the same side.