CN210446312U

CN210446312U - Sofa bed

Info

Publication number: CN210446312U
Application number: CN201921638175.XU
Authority: CN
Inventors: 张研
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-05
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a folding simple sofa bed, which comprises a seat and chair legs, wherein the chair legs are movably arranged at the lower part of the seat, and are provided with fixing devices connected with the seat for realizing that the chair legs are folded and fixed at preset positions at the lower part of the seat, and hinge parts connected with each other are arranged between the chair legs; elastic belts I are symmetrically arranged at the front part of the chair seat and close to the left end and the right end, and the free ends of the elastic belts I are provided with annular fixing belts I for fixing at the positions of the legs; an elastic band II extends from the rear end of the seat, the width of the elastic band II is less than or equal to that of the seat, and an annular fixing band II is arranged at the free end of the elastic band II and used for being fixed at the waist position. Through using this device, can let the user have a rest by light convenient sitting anytime and anywhere, and convenient to carry, simple structure can wide application in the daily necessities field.

Description

Sofa bed

Technical Field

The utility model relates to the technical field of daily necessities, specifically indicate a foldable simple sofa.

Background

When people do low-level operations such as picking, doing agricultural activities and picking up objects, the people need to move the positions frequently, and if the time is long, the waist and the legs of the human body feel tired. If the traditional chair is used, the chair needs to be moved when the body moves, which is inconvenient and increases the workload, so that the working efficiency of people is greatly reduced. Under the condition, people often prefer to do things of squatting, and the trouble caused by moving the chair in the working process is avoided. The convenient chair that exists among the prior art can be used for the health to be in the interim rest when high gesture, for example the used stealthy chair in car assembly shop, the scalable portable chair of interim rest usefulness etc. but these chairs can't satisfy the demand that the human low gesture was had a rest, and the most structure of the chair that exists is comparatively complicated among the prior art moreover, and manufacturing cost is higher, and the adoption is foreign technology mostly, has pushed forward great limitation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme does:

a kind of folding type simple sofa bed comprises a chair seat and chair legs, the chair legs are movably arranged at the lower part of the chair seat, and the chair legs are provided with fixing devices connected with the chair seat for realizing the folding and fixing of the chair legs at the preset position of the lower part of the chair seat, and hinged parts connected with each other are arranged among the chair legs; elastic belts I are symmetrically arranged at the front part of the chair seat and close to the left end and the right end, and the free ends of the elastic belts I are provided with annular fixing belts I for fixing at the positions of the legs; the back end of the chair seat extends to form an elastic band II, the width of the elastic band II is smaller than or equal to the width of the chair seat, and the free end of the elastic band II is provided with an annular fixing band II for being fixed at the waist position.

Furthermore, the chair legs comprise two front legs and two rear legs, the two ends of the hinged pieces are respectively connected with the front legs and the rear legs, the hinged pieces are rod-shaped, and the straight lines where the hinged pieces are located and the plane where the chair seat is located form acute included angles.

Further, front leg and back leg all establish scalable shaft-like structure all set up articulated through-hole one on front leg and the back leg, the articulated elements passes through movable pin joint on front leg and back leg, movable pin and through-hole adaptation.

Further, the fixing device is provided as a locking catch, so that relative stability between the chair leg and the chair seat is realized.

Furthermore, the first annular fixing band is of an open structure, and a letter thread gluing is arranged at the open end.

Furthermore, a chair cushion with the same shape as the chair seat is arranged on the chair seat, and a groove for containing the buttocks is arranged on the chair seat.

After the structure more than adopting, the utility model has the advantages of as follows:

this device simple structure, be convenient for accomodate and carry, and can laminate on the health along with the change of health gesture, convenient to use.

Drawings

FIG. 1 is a schematic side view of a foldable sofa;

FIG. 2 is a schematic top view of a foldable simple sofa;

fig. 3 is a schematic view of a folded state of the folding sofa.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings 1-3, the folding type simple sofa comprises a seat 1 and chair legs 2, wherein the chair legs 2 are movably arranged at the lower part of the seat 1, fixing devices 9 connected with the seat 1 are arranged on the chair legs 2 and used for fixing the folded chair legs 2 at preset positions at the lower part of the seat 1, and hinge parts 3 connected with each other are arranged among the chair legs 2; elastic belts I4 are symmetrically arranged at the front part of the seat 1 and near the left end and the right end, and the free ends of the elastic belts I4 are provided with annular fixing belts I5 for fixing at the positions of the legs; an elastic band II 6 extends from the rear end of the seat 1, the width of the elastic band II 6 is less than or equal to that of the seat 1, and an annular fixing band II 7 is arranged at the free end of the elastic band II 6 and used for being fixed at the waist position.

The chair legs 2 comprise two front legs 21 and two rear legs 22, the two ends of the hinge element 3 are respectively connected with the front legs 21 and the rear legs 22, the hinge element 3 is in a rod shape, and the straight line of the hinge element 3 forms an acute included angle with the plane of the chair seat 1.

The front leg 21 and the rear leg 22 are both designed to be telescopic rod-shaped structures, the front leg 21 and the rear leg 22 are both provided with a first hinge through hole, the hinge 3 is connected to the front leg 21 and the rear leg 22 through a movable pin 8, and the movable pin 8 is matched with the first through hole.

When the utility model is embodied, a human body is in a standing posture, firstly, the device is unfolded, the lengths of the front legs 21 and the rear legs 22 are adjusted to reach the height required by an individual to sit down, then, the annular fixing belt II 7 is fixed at the waist position, and then, the annular fixing belt I5 is tied on the thigh; when a user needs to sit down, the fixing device 9 is opened, so that the chair legs 2 are put down from the chair seat 1, the body of the user takes a sitting posture, the chair legs 2 are vertical to the ground due to gravity, and the fixing device 9 is closed and locked after the user sits down stably, so that convenience is provided for the user when the user sits down; when the user needs to walk forwards, due to the movable connection mode between the chair legs 2 and the chair seat 1, the chair legs 2 can move towards the approaching direction of the chair seat 1, and the chair legs 2 are locked at the lower part of the chair seat 1 through the fixing device 9, so that the user cannot collide the legs when walking.

In the using process, the elastic band I4 and the elastic band II 6 are respectively arranged and are of elastic telescopic structures, so that the chair seat can change along with different postures of a human body, the chair seat 2 can be more attached to the hip of the human body, and the practicability is high.

The chair legs 2 are arranged in a telescopic form, so that the length of the chair legs 2 can be adjusted according to the body shapes of different people, and the use comfort of the device is improved.

The fixing means 9 are provided as catches, so that a relative stabilization between the legs 2 and the seat 1 is achieved.

The hasp piece utilizes among the prior art commonly used can realize self-locking function's connecting piece, promptly: when the chair legs 2 need to be unfolded, the fixing device 9 is opened, so that the chair legs 2 can rotate towards the direction far away from the chair seat 1, and when the chair legs 2 are vertical to the ground due to the action of gravity, the fixing device 9 is broken off, so that the chair legs 2 cannot slide in the process of being vertical to the ground, and the relative stability of the chair legs 2 and the ground is realized; when needs are folded each other chair leg 2 and seat support 1, then to fixing device 9 effect, open fixing device 9, rotate chair leg 2 to laminating seat support 1 bottom position, then close fixing device 9 for chair leg 2 fixes in seat support 1 lower part, realizes folding, is convenient for accomodate and carry. In the process, the hinge 3 serves to fix the front leg 21 and the rear leg 22 against sliding.

In order to realize the movable connection between the chair legs 2 and the chair seat 1, hinges, such as hinges in the prior art, are arranged on the chair legs 2, so as to realize the movable connection.

The first annular fixing belt 5 is of an open structure, and a letter sticking buckle 51 is arranged at the open end.

Through setting up annular fixed band 5 into the open form to set up letter thread gluing 51 at the tip, thereby can adjust the diameter of annular fixed band 5 according to different people's shank size, and then reach the inseparabler purpose of connecting shank and this device, also played the purpose that prevents chair leg 2 striking seat support 1.

The chair seat 1 is provided with a chair cushion 10 with the same shape as the chair seat, and the chair seat 1 is provided with a groove for containing the buttocks.

When specifically setting up, set up the seat cushion 10 into the form that has certain thickness and for elastic material preparation, for example set up to the cotton structure that has the gas permeability to fill soft material such as cotton in the inside of seat cushion 10, improve the comfort level, and set up the form that is connected to seat support 2 through the connecting band with seat cushion 10, convenient dismantlement.

Claims

1. A kind of folding type simple sofa bed, including seat support and chair leg, characterized by that, the said chair leg is set up in the inferior part of seat support movably, and there are fixing devices of connecting seat support on the said chair leg, used for realizing fixing the chair leg in the lower preset position of seat support after folding, there are interconnected articulated elements between the said chair legs; elastic belts I are symmetrically arranged at the front part of the chair seat and close to the left end and the right end, and the free ends of the elastic belts I are provided with annular fixing belts I for fixing at the positions of the legs; the back end of the chair seat extends to form an elastic band II, the width of the elastic band II is smaller than or equal to the width of the chair seat, and the free end of the elastic band II is provided with an annular fixing band II for being fixed at the waist position.

2. The sofa bed according to claim 1, wherein the legs comprise two front legs and two rear legs, the two ends of the hinged member are connected with the front legs and the rear legs respectively, the hinged member is rod-shaped, and the straight line of the hinged member forms an acute included angle with the plane of the seat.

3. The sofa bed according to claim 2, wherein the front legs and the rear legs are both designed as telescopic rod-shaped structures, the front legs and the rear legs are both provided with first hinge through holes, the hinge pieces are connected to the front legs and the rear legs through movable pins, and the movable pins are matched with the first through holes.

4. A convertible sofa according to claim 1 wherein said securing means are provided as catches to provide relative stability between the legs and the seat.

5. The sofa bed according to claim 1, wherein the first loop fastening strap is an open structure and is provided with a letter fastener at the open end.

6. The sofa bed according to any one of claims 1 to 5, wherein the seat is provided with a seat cushion having a shape corresponding to the seat cushion, and the seat is provided with a groove for containing buttocks.