CN213487953U

CN213487953U - Sofa bed with turnover structure

Info

Publication number: CN213487953U
Application number: CN202021231139.4U
Authority: CN
Inventors: 黄发金; 章亮; 朱正领; 黄传胜
Original assignee: Anji Yongyi Shangpin Furniture Co ltd
Current assignee: Anji Yongyi Shangpin Furniture Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-06-22
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a sofa bed with a turnover structure, which comprises a movable base and a handrail component, wherein a first frame, a second frame and a third frame are arranged between the movable base and the handrail component along the stretching direction; the first frame is positioned at the upper end of the movable base, one end of the second frame is hinged with the movable base, the other end of the second frame, which is far away from the movable base, is hinged with the third frame, and two sides of the third frame are respectively hinged with the armrest component; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; when the movable base is unfolded, the movable base is pulled out while the second frame and the third frame are turned upwards until the second frame and the third frame are tiled and unfolded at the same height as the first frame. The sofa bed is folded and arranged through the turnover of the second frame and the third frame, so that the sofa bed does not need to be drawn and pulled difficultly in the conversion process, the sofa bed is unfolded through turnover, the sofa bed is lighter and more labor-saving in use, and the unfolding effect is better.

Description

Sofa bed with turnover structure

Technical Field

The utility model relates to a sofa field, in particular to flip structure's sofa bed.

Background

The sofa bed is dual-purpose furniture capable of being used as a sofa and a bed, modern living rooms are highly appreciated, and multifunctional furniture is a popular choice. In a small dwelling, a sofa bed is necessary to meet the occasional visitor's living needs. In general, the sofa bed can be placed in a living room or a study room and can serve as a seat; at night when guests come, the sofa bed is unfolded, and the bed is just a bed after bedding is laid. In a common house type such as a three-room and two-room, the sofa bed can be outside the sleeping bed for people to sleep, and the master is helped to deal with occasional visits by a plurality of guests. The selection of a proper sofa bed is ingenious, the sofa bed needs to meet the two functions of sitting and lying, is firm, durable and attractive, the material and the process of the sofa bed are guaranteed, and the existing sofa bed has various conversion modes including folding, turning and stretching modes.

However, the folding process of the sofa bed in the prior art is complex, the common push-pull type sofa bed usually has two or three layers of stackable bed boards, and the conversion of the bed boards between the stacked position and the unfolded position is realized through the guide rails and the pulleys between the bed boards, but because the sofa bed is made of wood or iron, the weight of the sofa bed is large, the pulling operation is very laborious, the internal guide structure is easy to damage if the sofa bed is improperly operated, the mattress is easy to break after being pulled for many times, and the unfolding effect is general if the sofa bed is only pulled.

Disclosure of Invention

The utility model overcomes exist among the above-mentioned prior art not enough, at first provide the sofa bed structure of a upset, this sofa bed structural design is reasonable, simple structure, conversion are laborsaving, realize the conversion between sofa and the bed through the mode that pull and folding combined together, make sofa bed expand the effect better.

The technical scheme of the utility model is realized like this:

a sofa bed with a turnover structure comprises a movable base and a handrail component, wherein a first frame, a second frame and a third frame are arranged between the movable base and the handrail component along the stretching direction; the first frame is positioned at the upper end of the movable base, one end of the second frame is hinged with the movable base, the other end of the second frame, which is far away from the movable base, is hinged with the third frame, and two sides of the third frame are respectively hinged with the armrest component; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; when the movable base is unfolded, the movable base is pulled out while the second frame and the third frame are turned upwards until the second frame and the third frame are tiled and unfolded at the same height as the first frame. The sofa bed is folded and arranged through the turnover of the second frame and the third frame, so that the sofa bed does not need to be drawn and pulled difficultly in the conversion process, the sofa bed is unfolded through turnover, the sofa bed is lighter and more labor-saving in use, and the unfolding effect is better.

Preferably, two sides of the rear end of the movable base are respectively provided with a connecting plate extending towards the rear of the movable base, and two sides of the front end of the second frame are hinged with the rear end of the connecting plate. Through setting up the connection board that extends backward, make the second frame when upset not interfere with movable base.

Preferably, the movable base comprises a front baffle plate and supporting frames, the front baffle plate is vertically arranged at the front end of the movable base, the supporting frames are arranged on the left side and the right side of the movable base, and the connecting plate is fixedly connected to the rear of the supporting frames. The front baffle can shield the space below the movable base, so that the whole body is more attractive.

Preferably, the supporting frame comprises a front upright rod, a rear upright rod, an upper cross rod and a lower cross rod, the connecting plate is fixedly connected to the rear end of the upper cross rod and protrudes backwards from the upper cross rod, and vertical and downward rollers are respectively arranged at the front end and the rear end of the lower cross rod. The gyro wheel makes the removal activity base in-process more light laborsaving.

Preferably, the second frame and the third frame are both square frames, the rear end of the second frame is bilaterally symmetrically provided with a first rotating seat, the front end of the first frame is provided with a second rotating seat at a corresponding position, and the first rotating seat and the second rotating seat are in hinged fit. The hinged parts are more stable by hinging the hinged seats with each other.

Preferably, during the folding and unfolding processes, the rotation angle range of the second frame is 170-180 degrees, and the front end of the second frame is turned from the lower position to the front position from the rear position.

Preferably, a limiting mechanism is further arranged between the third frame and the movable base, the limiting mechanism comprises a limiting block and a limiting rod which are matched with each other, the limiting block is arranged on one of the movable base or the third frame, and the limiting rod is arranged on the other of the third frame or the movable base. The third frame is limited by the limiting block and the limiting rod to be continuously turned over, and the structure is simple and the effect is obvious.

Preferably, the limiting blocks are arranged on the left side and the right side of the movable base, and the limiting rods are correspondingly arranged on the left side and the right side of the third frame; in a furled state, the third frame is stacked above the movable base, and the limiting rod is abutted with the limiting block; in the deployed state, the restraining bar is supported on the ground. The limiting rod can limit the overturning of the third frame in a folded state and can also provide a vertical supporting force on the bottom surface in a supported state.

Preferably, the limiting rod abuts against the limiting block, so that in a furled state, the front end of the third frame tilts, and the tilting angle is 5-15 degrees. The front end of the third frame slightly tilts in a furled state, so that the third frame is comfortable to use and humanized in design.

Preferably, the handrail component further comprises a reinforcing component which enables the handrail component to keep a stable supporting situation, the reinforcing component is a plurality of connecting rods, and the left side and the right side of each connecting rod are respectively connected and fixed with the handrail component.

Preferably, one end of the first frame is hinged with the movable base. So that the first frame can open the space under the movable base.

Preferably, the movable base is further provided with a containing space, and the first frame is turned upwards to open the containing space in the unfolded state. The sofa is provided with a containing space, so that the functions of the sofa are more diversified.

Preferably, the first frame, the second frame and the third frame are respectively and uniformly provided with a supporting net, an S spring, an elastic band or a rubber band which play a supporting role. Set up supporting network, S spring, elastic webbing or rubber band and can give better supporting effect for people, experience more comfortablely.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model provides a sofa bed with a turnover structure, compared with the prior art, the second frame of the sofa bed can rotate around the first frame in a large range of angles, when the sofa is folded, the second frame is folded under the first frame, and the first frame and the second frame are stacked above the first frame; when the sofa is in the unfolding state, the second frame and the third frame are upwards turned, the movable base is pulled out simultaneously, the second frame and the third frame are tiled and unfolded at the same height as the first frame under the driving of the movable base, the sofa conversion process is more convenient to operate, easier and labor-saving by adopting a folding and pulling combination mode, and the unfolding effect is better due to the folding arrangement.

Drawings

Fig. 1 is a schematic perspective view of a sofa bed in a folded state according to an embodiment of the present invention;

fig. 2 is a schematic perspective view illustrating the second and third frames drawn up according to the embodiment of the present invention;

fig. 3 is a schematic perspective view of the second and third frames of the present invention when half opened according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of the sofa bed according to the embodiment of the present invention in the unfolded state;

fig. 5 is a schematic perspective view of the lower side of the sofa bed in the unfolded state according to the embodiment of the present invention;

fig. 6 is a schematic perspective view of the movable base connected to the first, second, and third frames according to the embodiment of the present invention;

fig. 7 is a schematic perspective view illustrating a connection between the first and second frames and the movable base according to the embodiment of the present invention;

fig. 8 is a schematic perspective view illustrating a connection structure between the second frame and the third frame according to an embodiment of the present invention;

fig. 9 is a schematic perspective view illustrating a connection between the armrest assemblies according to an embodiment of the present invention.

The figures are numbered: a movable base 1; a handrail assembly 2; a first frame 3; a second frame 4; a third frame 5; a front baffle 6; a support frame 7; a front upright rod 8; a rear upright rod 9; an upper cross bar 10; a lower cross bar 11; a connecting plate 12; a housing space 13; a rotating member 14; the connecting vertical plate 14 a; the upright 14 b; a U-shaped connecting piece 15; a support plate 16; a rotating shaft 17; a first rotating base 4 a; a second rotary base 5 a; a limiting mechanism 18; a limiting block 19; a restricting lever 20; a transverse plate 20 a; a longitudinal bar 20 b; a connecting member 21; a flexible support net 22; a through hole 23; and a roller 24.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

as shown in fig. 1-9, the utility model provides a sofa bed with turnover structure, including movable base 1 and armrest component 2, along tensile direction, movable base 1 and armrest component 2 between be equipped with first frame 3, second frame 4, third frame 5, first, second,

third frame

3, 4, 5 be the frame of type square.

As shown in fig. 4-7, the movable base 1 is located at the front end of the sofa bed, and the movable base 1 includes a front baffle 6 vertically arranged at the front end and a support frame 7 connected to two sides of the front baffle 6; the supporting frame 7 comprises front and rear

upright posts

8 and 9, and upper and

lower cross bars

10 and 11; the front end and the rear end of the bottom of the lower cross bar 11 are respectively connected with a roller 24 which faces downwards vertically, and the rollers 24 roll along the ground in the state change process of the sofa bed; a connecting plate 12 is arranged at the rear end of the upper cross bar 10, the connecting plate 12 is fixed on the side surface of the rear end of the upper cross bar 10 through screw connection, the connecting plate 12 protrudes backwards from the upper cross bar 10, and the rear end of the connecting plate 12 extends towards the direction obliquely upwards and backwards; the first frame 3 is always positioned right above the movable base 1, two sides of the rear end of the first frame 3 are respectively hinged with the upper part of the front end of the connecting plate 12, the front end of the first frame 3 is lapped at the upper end of the front upright rod 8, the movable base 1 is internally provided with a containing space 13, and the containing space 13 can be opened for storing articles by turning the first frame 3 upwards in an unfolded state, so that the sofa has more abundant functions; the two sides of the front end of the second frame 4 are respectively hinged with the rear end of the connecting plate 12, and concretely speaking: the left side and the right side of the front end of the second frame 4 are respectively provided with a rotating part 14, the rotating part 14 comprises a connecting upright plate 14a and a transversely arranged upright post 14b, the upright post 14b is vertical to the connecting upright plate 14a, the connecting upright plate 15 is welded on the left side and the right side of the second frame 4, the upright post 16 is provided with a through hole 23, the corresponding position of the second connecting plate 12 is provided with the through hole 23, and the rotating part 14 is in rotating fit with the connecting plate 12 through a rotating shaft 17; and after the second frame 4 and the first frame 3 are respectively hinged with the connecting plate 12, a gap is left between the first frame 3 and the second frame 4, so that the front end of the second frame 4 does not interfere with the rear end of the first frame 3 in the rotation process of the second frame 4.

As shown in fig. 2, 3, 4, 8, and 9, the third frame 5 is located between the armrest assemblies 2 at the left and right sides, and two sides of the rear end of the third frame 5 are respectively rotatably engaged with the armrest assemblies 2, specifically: the two sides of the rear end of the third frame 5 are respectively provided with a U-shaped connecting seat 15, the front end of the U-shaped connecting seat 15 is clamped on the two sides of the third frame 5 and is fixedly connected with the third frame 5 through screws, the rear end of the U-shaped connecting seat 15 protrudes out of the third frame 5, a supporting plate 16 is arranged at the corresponding position of the armrest component 2, through holes 23 are respectively arranged at the rear end of the U-shaped connecting seat 15 and the supporting plate 16, and a rotating shaft 17 is arranged on the through holes 23 in a penetrating manner so as to enable the third frame 5 to be rotatably connected with the armrest component 2; and the front end of the third frame 5 is hinged with the rear end of the second frame 4 through a hinge, and concretely speaking: the rear end of the second frame 4 is symmetrically provided with a first rotating seat 4a, the front end of the third frame 5 is provided with a second rotating seat 5a at the corresponding position, the second rotating seat 4a and the third rotating seat 5a are in hinged fit, and after the second rotating seat 4a and the third rotating seat 5a are hinged, the rotating angle range of the second frame 4 is 170-180 degrees.

As shown in fig. 6, a limiting mechanism 18 is further disposed between the third frame 5 and the movable base 1, the limiting mechanism 18 includes a limiting block 19 and a limiting rod 20, which are matched with each other, and the specific implementation manner is as follows: the limiting rod 20 comprises a transverse plate 20a and a longitudinal rod 20b, the longitudinal rod 20b is welded at the middle position of the transverse plate 20a, the longitudinal rod 20b protrudes downwards from the transverse plate 20a, the transverse plate 20a is fixed on the left side and the right side of the front part of the third frame 5 through screw connection, the longitudinal rod 20b is perpendicular to the third frame 5, and the limiting blocks 19 are correspondingly arranged on the left side and the right side of the movable base 1; in a furled state, the third frame 5 is stacked above the movable base, the limiting rod 20 is abutted with the limiting block 19, and the front end of the third frame 5 is tilted after the abutment, wherein the tilting angle is 5-15 degrees, so that the leg support effect of the front end is better when a human body uses the frame, and the experience is more comfortable; in the unfolded state, the restricting bar 20 is supported on the ground to provide a supporting force in the vertical direction of the third supporting frame 5.

As shown in fig. 6-9, the first, second and

third frames

3, 4 and 5 are respectively and uniformly distributed with flexible supporting nets 22 for supporting, and the flexible supporting nets 22 can provide good supporting effect, so that the human body is more comfortable when in use; and a connecting rod 21 is arranged between the handrail components 2 at the left side and the right side, two sides of the connecting rod 21 are respectively connected and fixed with the handrail components 2 through screws, and the connecting rod 21 can enable the handrail components 2 to keep a stable supporting situation.

In summary, the sofa bed conversion process of the turnover structure is as follows: as shown in fig. 1, at this time, the sofa bed is in a folded state, the second frame 4 is folded under the third frame 5, the second and third frames 4, 5 are stacked above the first frame 3, and the limiting rod 20 abuts against the limiting block 19 to provide a supporting force for the third frame 5; in the process of conversion, as shown in fig. 2 and 3, firstly, the second and third frames 4 and 5 are turned upwards to lift the second and third frames 4 and 5, and at the same time, the movable base 1 is pulled out forwards, and in the process of pulling out the movable base 1 forwards, the movable base 1 drives the second frame 4 to turn forwards, so that the front end of the second frame 4 is turned from the rear position (shown in fig. 2) to the front position (shown in fig. 3) from the lower part; the movable base is pulled continuously to finally convert the sofa bed into the unfolding state, as shown in fig. 4, at this time, the second and third frames 4 and 5 are unfolded flatly and at the same height as the first frame 3, the limiting rod 20 is supported on the ground, and the sofa bed is converted from the sofa state into the bed state.

Claims

1. The utility model provides a sofa bed of flip structure which characterized in that: the handrail device comprises a movable base and a handrail component, wherein a first frame, a second frame and a third frame are arranged between the movable base and the handrail component along the stretching direction; the first frame is positioned at the upper end of the movable base, one end of the second frame is hinged with the movable base, the other end of the second frame, which is far away from the movable base, is hinged with the third frame, and two sides of the third frame are respectively hinged with the armrest component; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; when the movable base is unfolded, the movable base is pulled out while the second frame and the third frame are turned upwards until the second frame and the third frame are tiled and unfolded at the same height as the first frame.

2. The convertible sofa bed of claim 1, wherein: the two sides of the rear end of the movable base are respectively provided with a connecting plate extending towards the rear of the movable base, and the two sides of the front end of the second frame are hinged with the rear end of the connecting plate.

3. The convertible sofa bed of claim 2, wherein: the movable base comprises a front baffle plate and supporting frames, the front baffle plate is vertically arranged at the front end of the movable base, the supporting frames are arranged on the left side and the right side of the movable base, and the connecting plate is fixedly connected to the rear of the supporting frames.

4. The convertible sofa bed of claim 3, wherein: the supporting frame comprises a front upright rod, a rear upright rod, an upper cross rod and a lower cross rod, the connecting plate is fixedly connected to the rear end of the upper cross rod and protrudes backwards from the upper cross rod, and vertical and downward rollers are respectively arranged at the front end and the rear end of the lower cross rod.

5. The convertible sofa bed of claim 1, wherein: the second frame and the third frame are both square frames, the rear end of the second frame is symmetrically provided with a first rotating seat, the front end of the first frame is provided with a second rotating seat at the corresponding position, and the first rotating seat and the second rotating seat are in hinged fit.

6. The convertible sofa bed of claim 5, wherein: in the process of folding and unfolding, the rotation angle range of the second frame is 170 and 180 degrees, and the front end of the second frame is overturned from the rear position to the front position from the lower position.

7. The convertible structure sofa bed according to claim 1 or 6, wherein: and a limiting mechanism is further arranged between the third frame and the movable base, the limiting mechanism comprises a limiting block and a limiting rod which are matched with each other, the limiting block is arranged on one of the movable base or the third frame, and the limiting rod is arranged on the other of the third frame or the movable base.

8. The convertible sofa bed of claim 7, wherein: the limiting blocks are arranged on the left side and the right side of the movable base, and the limiting rods are correspondingly arranged on the left side and the right side of the third frame; in a furled state, the third frame is stacked above the movable base, and the limiting rod is abutted with the limiting block; in the deployed state, the restraining bar is supported on the ground.

9. The convertible sofa bed of claim 8, wherein: the limiting rod is abutted with the limiting block, so that in a furled state, the front end of the third frame tilts, and the tilting angle is 5-15 degrees.

10. The convertible sofa bed of claim 1, wherein: the handrail component is characterized by further comprising a reinforcing component for keeping the handrail component in a stable supporting state, the reinforcing component is a plurality of connecting rods, and the left side and the right side of each connecting rod are respectively connected and fixed with the handrail component.

11. The convertible sofa bed of claim 1, wherein: one end of the first frame is hinged with the movable base.

12. The convertible sofa bed of claim 11, wherein: the movable base is internally provided with a containing space, and the first frame is turned upwards to open the containing space in an unfolded state.

13. The convertible sofa bed of claim 1, wherein: and the first frame, the second frame and the third frame are respectively and uniformly provided with a supporting net, an S spring, an elastic band or a rubber band which play a supporting role.