CN220713442U

CN220713442U - Multifunctional movable folding sofa bed

Info

Publication number: CN220713442U
Application number: CN202322551178.2U
Authority: CN
Inventors: 赵建培
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-05
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a multifunctional movable folding sofa bed, which comprises a foldable mattress, wherein the foldable mattress comprises a movable part positioned in the middle, two ends of the movable part are respectively and rotatably connected with a backrest part and a cushion part, when the foldable mattress is in an unfolding state, the lower end of the backrest part is connected with supporting legs, the side surface of the cushion part is connected with armrests, the lower surface of the movable part is connected with two mounting beams, universal wheels are fixed at two ends of the mounting beams, and the bottom surfaces of the armrests, the bottom surfaces of the supporting legs and the bottom surfaces of the universal wheels are all on the same plane.

Description

Multifunctional movable folding sofa bed

Technical Field

The utility model relates to the technical field of folding sofa beds, in particular to a multifunctional movable folding sofa bed.

Background

The existing folding sofa bed is generally changed in two forms of a sofa and a sofa bed in a folding mode, universal wheels are connected to the lower end of the sofa bed to control the movement of the sofa bed for convenience, the rigidity of an inner frame of the sofa bed is poor, the universal wheels can lead the frame to deform and sink into the lower surface of the sofa bed under pressure, rolling of the universal wheels is affected, meanwhile, the lower surface of the sofa bed is uneven, distribution of gravity centers is affected, and comfort of the sofa bed is reduced, so that the multifunctional movable folding sofa bed is designed.

Disclosure of Invention

The utility model aims to provide a multifunctional movable folding sofa bed, wherein the lower surface of a moving part positioned in the middle is connected with a mounting beam, the mounting beam is used for fixing universal wheels, and meanwhile, the mounting beam enhances the rigidity and strength of the lower surface of the sofa bed, so that the deformation of an internal frame of the sofa bed under pressure is avoided, and the normal use of the sofa bed and the universal wheels is influenced.

The utility model provides the following technical scheme: the utility model provides a multi-functional portable folding sofa bed, includes a collapsible mattress, collapsible mattress is including the removal portion that is located the centre, the both ends of removal portion rotate respectively and are connected with back portion and cushion portion, and when collapsible mattress was in the state of expanding, the lower extreme of back portion is connected with the supporting legs, the side of cushion portion is connected with the handrail, the lower surface of removal portion is connected with two installation roof beams, the both ends of installation roof beam are fixed with the universal wheel, the bottom surface of handrail, supporting legs bottom surface and universal wheel bottom surface all are on the coplanar.

In order to improve the rigidity of the mounting beam, the mounting beam is a square tube and is distributed along the length direction of the sofa bed.

In order to connect the universal wheel at the lower extreme of installation roof beam, the universal wheel includes the base, rotate on the base and be connected with the bearing, be fixed with the double-screw bolt on the bearing, the installation roof beam internal fixation has the nut, the double-screw bolt is connected with the nut and is connected the universal wheel at the lower extreme of installation roof beam.

In order to fix the universal wheel, prevent that the universal wheel from rolling and turning to, install the pivot in the base, it is connected with the gyro wheel to rotate in the pivot, still articulated brake block and footboard in the base, footboard and brake block are connected, the brake block down swings, and the lower extreme of brake block can support the surface at the gyro wheel and fix a position the universal wheel, and the upper end of brake block can be to the bearing location.

In order to enhance the rigidity of the armrest, the armrest comprises an armrest rod and a connecting rod, wherein the side surface of the connecting rod is connected to the side surface of the cushion part through a fastener, and the connecting rod is connected to two ends of the armrest rod in a U-shaped mode.

In order to avoid causing wearing and tearing to the surface of handrail, still be fixed with the protective layer on the handrail, the protective layer is located between the both ends of connecting rod.

Compared with the prior art, the utility model has the following beneficial effects: through the lower extreme fixed mounting roof beam at the removal portion, with the universal wheel connection on the lower surface of installation roof beam, utilize the installation roof beam to improve the lower surface rigidity and the intensity of sofa bed, avoid with universal wheel lug connection on the inner frame of sofa bed, further protect the sofa bed.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a folded state construction of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in an expanded state;

FIG. 3 is a schematic view of the structure of the universal wheel of the present utility model;

FIG. 4 is a schematic view of the structure of the handrail of the present utility model;

in the figure: 1. a moving part; 11. mounting a beam; 12. a universal wheel; 121. a stud; 122. a bearing; 123. a base; 124. a brake pad; 125. a roller; 126. a pedal; 2. a backrest part; 21. supporting feet; 3. a cushion section; 31. an armrest; 311. a connecting rod; 312. a support rod; 313. and (3) a protective layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 and 2, the present utility model provides the following technical solutions: the utility model provides a multi-functional portable folding sofa bed, including a folding mattress, folding mattress is including being located the mobile part 1 in the middle, the both ends of mobile part 1 rotate respectively and are connected with back 2 and cushion portion 3, back 2 can rotate as the centre of a circle with the one end of mobile part 1, cushion portion 3 uses the other end of mobile part 1 to rotate as the centre of a circle, make sofa bed fold or expand, be in the state of expanding when folding mattress, back 2, mobile part 1 and cushion portion 3 are on the coplanar, the lower extreme of back 2 is connected with supporting legs 21, the side of cushion portion 3 is connected with handrail 31, the lower extreme of mobile part 1 is connected with mounting beam 11, the both ends of mounting beam 11 are connected with universal wheel 12, mounting beam 11 has strengthened the rigidity and the intensity of sofa bed lower surface, the bottom surface of handrail 31, supporting legs 21 bottom surface and universal wheel 12 bottom surface are all on the coplanar, fix a position the sofa bed, be in the state when sofa bed, back 2 is located the back, the folding portion 3 is folded to the upper surface of mobile part 1, at this moment handrail 31 is located the side of cushion portion 3, and the upper end of handrail 31 is connected with mounting beam 11 at the same time, the side of convenient for the sofa bed is placed at the lower side of the sofa bed and the side of the sofa bed is convenient for the frame 12, the side of the sofa bed is connected with the universal wheel 12.

The installation beam 11 is square pipe, and square pipe has strengthened the rigidity, and installation beam 11 distributes along the length direction of sofa bed, has shortened the length of use of installation beam 11, has saved the cost.

As shown in fig. 3, the universal wheel 12 includes a base 123, a bearing 122 is rotatably connected to the base 123, the base 123 can drive the universal wheel 12 to rotate towards any direction, the moving direction is convenient to adjust, a stud 121 is fixed to the bearing 122, a nut is fixed to the mounting beam 11, the stud 121 penetrates through the mounting beam 11 to be connected with the nut to connect the universal wheel 12 to the lower end of the mounting beam 11, the universal wheel 12 is convenient to fix, and meanwhile, the moving direction of the sofa bed is controlled.

The rotating shaft is installed in the base 123, the roller 125 is rotationally connected to the rotating shaft, the roller 125 rotates around the rotating shaft, the roller 125 rotates to drive the sofa bed to move, the base 123 is internally hinged with the brake block 124 and the pedal 126, the pedal 126 is connected with the brake block 124, the pedal 126 is stepped on by foot to be pressed downwards, the brake block can also swing downwards 124, the lower end of the brake block 124 can prop against the surface of the roller 125 to position the universal wheel 12, the upper end of the brake block 124 can position the bearing 122, and the universal wheel 12 is completely fixed.

As shown in fig. 4, the armrest 31 includes an armrest 312 and a connecting rod 311, the connecting rod 311 is connected to the side of the cushion portion 3 by a fastener, the connecting rod 311 is connected to both ends of the armrest 312 in a U-shape, the armrest 312 is located at the upper side in a folded state, and the armrest 312 is located at the lower side in a unfolded state, thereby facilitating positioning of the sofa bed in the unfolded state.

The support rod 312 is also fixed with a protective layer 313, the protective layer 313 is positioned between two ends of the connecting rod 311, the protective layer 313 is used for protecting the support rod 312 and avoiding the contact scratch of the support rod 312 and the ground.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a multi-functional portable folding sofa bed, includes a collapsible mattress, collapsible mattress is including the removal portion that is located the centre, the both ends of removal portion rotate respectively and are connected with back and cushion portion, its characterized in that: when the foldable mattress is in an unfolding state, the lower end of the backrest part is connected with supporting legs, the side face of the cushion part is connected with armrests, the lower surface of the moving part is connected with two mounting beams, universal wheels are fixed at the two ends of each mounting beam, and the bottom face of each armrest, the bottom face of each supporting leg and the bottom face of each universal wheel are on the same plane.

2. The multi-functional movable folding sofa bed according to claim 1, wherein: the mounting beams are square tubes and distributed along the length direction of the sofa bed.

3. The multi-functional movable folding sofa bed according to claim 1, wherein: the universal wheel comprises a base, a bearing is rotationally connected to the base, a stud is fixed to the bearing, a nut is fixed to the mounting beam, and the stud is connected with the nut to connect the universal wheel to the lower end of the mounting beam.

4. A multi-functional, movable, folding sofa bed according to claim 3, characterized in that: the base is internally provided with a rotating shaft, the rotating shaft is rotationally connected with a roller, the base is internally hinged with a brake block and a pedal, the pedal is connected with the brake block, the brake block swings downwards, the lower end of the brake block can prop against the surface of the roller to position a universal wheel, and the upper end of the brake block can be positioned on a bearing.

5. The multi-functional movable folding sofa bed according to claim 1, wherein: the handrail comprises a handrail rod and a connecting rod, wherein the connecting rod is connected to the side face of the cushion part through a fastener, and the connecting rod is connected to the two ends of the handrail rod in a U-shaped mode.

6. The multi-functional movable folding sofa bed according to claim 5, wherein: the support rod is also fixed with a protective layer, and the protective layer is positioned between two ends of the connecting rod.