CN216293572U

CN216293572U - Sofa with adjustable backrest

Info

Publication number: CN216293572U
Application number: CN202122976193.2U
Authority: CN
Inventors: 缪汶
Original assignee: Beijing Jialuo E Commerce Co ltd
Current assignee: Beijing Jialuo E Commerce Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-15
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a sofa with an adjustable backrest, which comprises a base frame and armrest frames, wherein the armrest frames are fixedly arranged on two sides of the base frame; the backrest frame with the extension all is equipped with the filling layer, the extension includes first regulation chain and second regulation chain, first regulation chain and second regulation chain bottom with backrest frame fixed connection, first regulation chain with the second is adjusted the chain and is followed the upward extension setting of filling layer longitudinal direction. Compared with the prior art, the sofa is provided with the angle-adjustable extension part which comprises the first adjusting chain and the second adjusting chain, so that the extension part is adjusted through the first adjusting chain and the second adjusting chain.

Description

Sofa with adjustable backrest

Technical Field

The utility model particularly relates to a sofa with an adjustable backrest.

Background

At present, common sofa backrests are all not adjustable, and have limitations for users with different heights.

Therefore, it is a problem to be solved at present how to provide a sofa with an adjustable backrest, which has a simple structure and is convenient to use, and the backrest of the sofa can be adjusted.

Disclosure of Invention

The utility model aims to provide a sofa with an adjustable backrest, which has a simple structure and is convenient to use, and the backrest of the sofa can be adjusted.

In order to achieve the purpose, the utility model provides the following technical scheme:

a sofa with an adjustable backrest comprises a base frame and armrest frames, wherein the armrest frames are fixedly arranged on two sides of the base frame; the backrest frame and the extension part are both provided with a filling layer,

the extension includes first regulation chain and second regulation chain, first regulation chain and second regulation chain bottom with back frame fixed connection, first regulation chain with the second is adjusted the chain and is followed the setting of extending on the filling layer longitudinal direction.

Further, the first adjusting chain and the second adjusting chain are bicycle chains.

Further, the first adjusting chain is arranged on one side of the extending portion, and the second adjusting chain is arranged on the other side of the extending portion.

Further, the armrest frame is fixed on the backrest frame through a connecting buckle.

Furthermore, the handrail frame is also provided with a circuitous part, and the circuitous part is convenient for people to use.

Further, a second filling layer is filled on the handrail frame.

Further, the filling layer and the second filling layer are both made of polyurethane foam.

Furthermore, a soft body layer is arranged on the base frame.

Further, the outer surfaces of the filling layer, the second filling layer and the soft body layer are all covered with protective layers.

Compared with the prior art, the utility model has the beneficial effects that:

due to the fact that the angle-adjustable extending portion is arranged and comprises the first adjusting chain and the second adjusting chain, the extending portion is adjusted through the first adjusting chain and the second adjusting chain.

Drawings

Fig. 1 is a structural view of a sofa with an adjustable backrest according to the present invention.

Fig. 2 is a side view of the sofa with adjustable back according to the present invention.

Fig. 3 is a frame structure view of the sofa with adjustable backrest according to the present invention.

Fig. 4 is a frame structure view of the sofa with adjustable backrest according to the present invention.

Detailed Description

For the purpose of promoting a clear understanding of the objects, aspects and advantages of the embodiments of the utility model, reference will now be made to the drawings and detailed description, wherein there are shown in the drawings and described in detail, various modifications of the embodiments described herein, and other embodiments of the utility model will be apparent to those skilled in the art.

The exemplary embodiments of the present invention and the description thereof are provided to explain the present invention and not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.

As used herein, the terms "first," "second," …, etc., do not denote any order or sequence, nor are they used to limit the present invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.

With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

As used herein, "and/or" includes any and all combinations of the described items.

As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.

Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.

Refer to fig. 1-4.

The embodiment of the utility model provides a sofa with an adjustable backrest, which comprises a base frame 1 and armrest frames 2, wherein the armrest frames 2 are fixedly arranged on two sides of the base frame 1, the rear end of the base frame 1 is also provided with a backrest frame 3, and the backrest frame 3 is also provided with an angle-adjustable extension part 4; the backrest frame 3 and the extension 4 are provided with a filling layer,

the extension includes first regulation chain 5 and second regulation chain 6, first regulation chain 5 and second regulation chain 6 bottom with back frame 3 fixed connection, first regulation chain 5 with second regulation chain 6 extends the setting along filling layer longitudinal direction upwards.

Owing to set up adjustable angle's extension, the extension includes first regulation chain 5 and second regulation chain 6, consequently adjusts the extension through first regulation chain 5 and second regulation chain 6 and bends, first regulation chain 5 and second regulation chain 6 are independent setting, can not synchronous regulation during the use.

In addition, it is worth mentioning that the first adjusting chain 5 and the second adjusting chain 6 are bicycle chains, so that the extending part can be adjusted according to the height of a user, and the user feels more comfortable when using the sofa.

Specifically, the first adjusting chain 5 is arranged on one side of the extending portion 4, and the second adjusting chain 6 is arranged on the other side of the extending portion 4, so that adjustment is facilitated, and the use is more convenient.

In addition, it should be noted that the armrest frame 2 is fixed on the backrest frame by the connecting buckle 7, and the backrest frame and the armrest frame are fixed by the two connecting buckles 7, so as to realize the disassembling function.

In addition, in the present embodiment, the armrest frame is further provided with a circuitous portion 8, and the circuitous portion 8 is convenient for people to use, so that the arms of people are more comfortable when being placed at the circuitous portion.

Specifically, it should be noted that the handrail frame is filled with a second filling layer, and the filling layer and the second filling layer are both made of polyurethane foam, so that people feel more comfortable when using the handrail frame.

In addition, it is worth mentioning that be equipped with soft body layer 9 on the base frame, the surface on filling layer, second filling layer and soft body layer all covers has the protective layer, and the protective layer through setting up can effectual protection filling layer can not damaged to increase of service life.

The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.

Claims

1. The sofa with the adjustable backrest is characterized by comprising a base frame and armrest frames, wherein the armrest frames are fixedly arranged on two sides of the base frame; the backrest frame and the extension part are both provided with a filling layer,

2. The adjustable back sofa of claim 1, wherein the first and second adjustment chains are bicycle chains.

3. The adjustable back sofa of claim 2, wherein the first adjustment chain is disposed on one side of the extension portion and the second adjustment chain is disposed on the other side of the extension portion.

4. The sofa of claim 1, wherein the arm frames are secured to the back frame by a connector clip.

5. The sofa of claim 4, wherein the armrest frame further comprises a circuitous portion, the circuitous portion facilitating convenient use by a person.

6. The sofa of claim 1, wherein the armrest frame is filled with a second layer of padding.

7. The sofa of claim 6, wherein the filling layer and the second filling layer are both made of polyurethane foam.

8. The sofa of claim 7, wherein the base frame has a soft body layer thereon.

9. The sofa of claim 7, wherein the outer surfaces of the filling layer, the second filling layer and the soft body layer are covered with a protective layer.