CN212591174U

CN212591174U - Chair backrest device

Info

Publication number: CN212591174U
Application number: CN202021395237.1U
Authority: CN
Inventors: 王正兴
Original assignee: Foshan Oufeishi Furniture Co ltd
Current assignee: Foshan Oufeishi Furniture Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-02-26
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a chair backrest device, including the backrest device body, the backrest device body includes the back support, install the elasticity circle on the back support, install the back frame on the elasticity circle, this chair backrest device is automatic when using backward, the people leaves back self return, and the back can be according to individual size automatically regulated, lets the user can be more comfortable.

Description

Chair backrest device

Technical Field

The utility model relates to a chair back equipment field specifically is a chair back device.

Background

In the existing chair products, a common chair is not provided with a waist-back separation design device, when a user needs to lie on the back, the back and the waist are not supported, so that the comfort level of the user is greatly reduced when the user uses the chair; some chairs with the back device cannot adjust the top of the back and the waist, some chairs do not have the back device, and other chairs cannot be designed for carrying the back, which causes inconvenience and discomfort for users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chair backrest device to solve the problem that proposes in the above-mentioned background art, the utility model discloses novel structure can carry out adjustment inclination by oneself through the elastic ring when using, increases the comfort level.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a chair backrest device, includes backrest device body, backrest device body includes the back support, install the elasticity circle on the back support, install the back frame on the elasticity circle.

As a preferred embodiment of the utility model, the elastic ring includes left elastic ring and right elastic ring, the one end of left side elastic ring and right elastic ring is fixed respectively on the back frame.

As a preferred embodiment of the present invention, the elastic ring is provided with a fixing seat, and the elastic ring is fixed on the back support and the waist-back outer frame through the fixing seat.

As a preferred embodiment of the present invention, the waist and back outer frame is provided with the mesh and the leather facing material.

The utility model has the advantages that: the utility model relates to a chair backrest device, which comprises an elastic ring; a waist and back outer frame; a back support.

1. The backrest device of the chair backrest device automatically returns backwards after a person leaves when in use, and the backrest can be automatically adjusted according to the personal shape, so that the user can feel more comfortable.

2. The chair backrest device can automatically adjust the force without manual adjustment of a user, and the user can adjust the position of the whole backrest according to the position of the user and can use the chair on the most comfortable chair.

3. The chair backrest device is reasonable in design, simple in structure, convenient to use and multifunctional, and can be used under different conditions.

Drawings

Fig. 1 is a schematic structural view of a backrest device of a chair according to the present invention;

fig. 2 is a schematic structural view of a backrest support of a chair backrest device according to the present invention;

in the figure: 1. an elastic ring; 2. a waist and back outer frame; 3. a back support.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a chair backrest device, includes the backrest device body, the backrest device body includes back support 3, install elasticity circle 1 on the back support 3, install back frame 2 on the elasticity circle 1.

As a preferred embodiment of the present invention, the elastic ring 1 includes a left elastic ring and a right elastic ring, and one end of the left elastic ring and one end of the right elastic ring are respectively fixed on the waist-back frame 2.

As an optimal implementation manner of the present invention, the elastic ring 1 is provided with a fixing seat, and the elastic ring 1 is fixed on the back support 3 and the waist-back frame 2 through the fixing seat. As a preferred embodiment of the present invention, the waist and back outer frame 2 is provided with a mesh and a leather material.

When the user need not use the chair, elastic ring 1 self return, when the user need use back device, back frame 2 can automatic adjustment at most suitable position, and the user can relax the health and lean on lying to use on the back of the chair, and when elastic ring 1 used, the waist pillow can rotate in step, and elastic ring 1 is fixed through the fixed screw, unsettled design between elastic ring 1 for bring more comfortablely for the user when using, the function is various.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A chair backrest device comprises a backrest device body, and is characterized in that: the backrest device body comprises a backrest support (3), an elastic ring (1) is installed on the backrest support (3), and a waist and back outer frame (2) is installed on the elastic ring (1).

2. A chair back rest device according to claim 1, wherein: the elastic ring (1) comprises a left elastic ring and a right elastic ring, and one ends of the left elastic ring and the right elastic ring are respectively fixed on the waist and back outer frame (2).

3. A chair back rest device according to claim 1, wherein: the elastic ring (1) is provided with a fixing seat, and the elastic ring (1) is fixed on the back support (3) and the waist and back outer frame (2) through the fixing seat.

4. A chair back rest device according to claim 1, wherein: the waist and back outer frame (2) is provided with mesh cloth and leather fabric.