CN216797068U - PU shaping sponge back - Google Patents

Abstract

The utility model discloses a PU (polyurethane) molded sponge backrest in the field of sponge backrests, which comprises a body, wherein a middle layer material in the body is a sponge layer, an upper layer material of the sponge layer is a non-woven fabric layer, an upper layer material of the non-woven fabric layer is an antifouling layer, a lower layer material of the sponge layer is a buffer layer, and a lower layer material of the buffer layer is a fireproof layer; the antifouling layer is used for preventing the surface of the body from being polluted, the attractiveness is improved, the attractiveness is not influenced, the first elastic band and the second elastic band are pulled to the rear part of the office chair, the bayonet is clamped into the clamping groove, the position of the body is fixed, and the stability is improved; support the waist of human body through the waist support, avoid producing fatigue for a long time, two massage balls massage the waist, alleviate waist fatigue, improved the travelling comfort, avoid producing fatigue.

Description

PU shaping sponge back

Technical Field

The utility model relates to the field of sponge backrests, in particular to a PU (polyurethane) formed sponge backrest.

Background

The seat cushion is a movable cushion for use on a seat or sofa. Is divided into an indoor seat cushion and an outdoor seat cushion. The indoor seat cushion is mainly used for sofas and seats and mainly has the effects of beauty and warm keeping. The outdoor seat cushion is mainly used in a vehicle, and the main characteristic is beauty and comfort.

In the prior art, the surface of the sponge backrest is not provided with an antifouling layer, so that the sponge backrest is easily polluted, the attractiveness is reduced, and the use is influenced; in the prior art, the sponge backrest is not provided with the elastic rope, so that the position of the sponge backrest is easy to deviate, and the stability is reduced; the sponge backrest in the prior art is not provided with a waist massage function, which causes waist fatigue for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PU (polyurethane) molded sponge backrest to solve the problems in the background technology.

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

PU shaping sponge back, including the body, this internal middle level material sets up to the sponge layer, sponge layer upper strata material sets up to the non-woven fabrics layer, non-woven fabrics layer upper strata material sets up to antifouling layer, sponge layer lower floor's material sets up to the buffer layer, buffer layer lower floor's material sets up to the flame retardant coating.

As a still further scheme of the utility model: the body front end is provided with the bleeder vent, the bleeder vent sets up at the body middle part, and the bleeder vent is ventilative to human back, avoids the long-term and body contact of health, discharges the heat that will produce fast, has improved the travelling comfort that the body used.

As a still further scheme of the utility model: the body front end lower part is provided with the waist and holds in the palm, the installation piece is all installed to waist support both sides wall, the installation piece all with body fixed connection, the waist holds in the palm and supports the waist of human body, avoids leading to the health to produce fatigue for a long time.

As a still further scheme of the utility model: waist holds in the palm front end both sides all are provided with the massage ball, the massage ball is provided with two, and two massage balls massage the waist, slowly reduce waist fatigue, have improved the travelling comfort.

As a still further scheme of the utility model: body rear end four corners department all is provided with the magic subsides, the magic is pasted and is pasted on office seat four, fixes, has improved stability.

As a still further scheme of the utility model: two second connection pieces are installed to body rear end left part, all be provided with the second elastic cord on the second connection piece, second elastic cord front end all is provided with the draw-in groove, two first connection pieces are installed to body rear end right part, all be provided with first elastic cord on the first connection piece, first elastic cord front end all is provided with the bayonet socket, the bayonet socket all is connected with the draw-in groove chucking, draws first elastic cord and second elastic cord and gets office chair rear portion, goes into the bayonet socket card inside the draw-in groove, fixes the position of body, improves stability.

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

1. according to the utility model, the surface of the body is antifouling through the antifouling layer, so that the surface of the body is prevented from being polluted, the attractiveness is improved, and the attractiveness is not influenced.

2. According to the office chair, the first elastic band and the second elastic band are pulled to the rear portion of the office chair, the bayonet is clamped into the clamping groove, the position of the body is fixed, and stability is improved.

3. According to the utility model, the waist of the human body is supported by the waist support, so that fatigue is prevented from being generated for a long time, the waist is massaged by the two massage balls, the fatigue of the waist is relieved, the comfort is improved, and fatigue is prevented from being generated.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

fig. 3 is a schematic view of the material structure of the present invention.

In the figure: 1. a body; 2. air holes are formed; 3. a massage ball; 4. a waist support; 5. mounting blocks; 6. an antifouling layer; 7. a non-woven fabric layer; 8. a sponge layer; 9. a fire barrier layer; 10. a buffer layer; 11. a card slot; 12. a bayonet; 13. magic tape; 14. a first connecting piece; 15. a first elastic band; 16. A second connecting sheet; 17. and a second elastic band.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the utility model, a PU molded sponge backrest includes a body 1, a middle layer material in the body 1 is a sponge layer 8, an upper layer material of the sponge layer 8 is a non-woven fabric layer 7, an upper layer material of the non-woven fabric layer 7 is an antifouling layer 6, a lower layer material of the sponge layer 8 is a buffer layer 10, and a lower layer material of the buffer layer 10 is a fireproof layer 9.

The front end of the body 1 is provided with the air holes 2, the air holes 2 are arranged in the middle of the body 1, the air holes 2 ventilate the back of a human body, the body is prevented from being in contact with the body 1 for a long time, generated heat is quickly discharged, and the use comfort of the body 1 is improved; a waist support 4 is arranged at the lower part of the front end of the body 1, mounting blocks 5 are mounted on two side walls of the waist support 4, the mounting blocks 5 are fixedly connected with the body 1, and the waist support 4 supports the waist of a human body to avoid fatigue of the body for a long time; the two sides of the front end of the waist support 4 are provided with the massage balls 3, the two massage balls 3 are arranged, and the two massage balls 3 massage the waist, so that the fatigue of the waist is relieved, and the comfort is improved; the four corners of the rear end of the body 1 are provided with the magic tapes 13, the number of the magic tapes 13 is four, and the four magic tapes 13 are adhered to the office chair for fixing, so that the stability is improved; two second connection pieces 16 are installed to 1 rear end left part of body, all be provided with second elastic cord 17 on the second connection piece 16, second elastic cord 17 front end all is provided with draw-in groove 11, two first connection pieces 14 are installed to 1 rear end right part of body, all be provided with first elastic cord 15 on the first connection piece 14, first elastic cord 15 front end all is provided with bayonet 12, bayonet 12 all is connected with draw-in groove 11 chucking, draw first elastic cord 15 and second elastic cord 17 and get office chair rear portion, go into inside bayonet 12 card income draw-in groove 11, fix the position of body 1, stability is improved.

The working principle of the utility model is as follows: the body 1 is arranged at the rear part of an office chair, the first elastic belt 15 and the second elastic belt 17 are respectively pulled to the rear part of the office chair, the bayonet 12 is clamped into the clamping groove 11 to fix the position of the body 1, four magic tapes 13 are respectively adhered to the office chair to fix the position of the body 1, the position deviation of the body 1 is avoided, when the body 1 is arranged and laid on the office chair, the air holes 2 ventilate the back of a human body to avoid the long-term contact of the body with the body 1 and the rapid discharge of generated heat, the comfort of the use of the body 1 is improved, the waist support 4 supports the waist of the human body to avoid the fatigue of the body caused by a long time, the two massage balls 3 massage the waist to relieve the fatigue of the waist, the comfort is improved, the antifouling layer 6 prevents the surface of the body 1 from being polluted, the beauty is improved, flame retardant coating 9 prevents fires to body 1, has played fire-retardant effect, and buffer layer 10 has increased body 1's gentle degree, has improved the travelling comfort.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. PU shaping sponge back, including body (1), its characterized in that: the antifouling fabric is characterized in that a sponge layer (8) is arranged as a middle layer material in the body (1), a non-woven fabric layer (7) is arranged as an upper layer material of the sponge layer (8), an antifouling layer (6) is arranged as an upper layer material of the non-woven fabric layer (7), a buffer layer (10) is arranged as a lower layer material of the sponge layer (8), and a fireproof layer (9) is arranged as a lower layer material of the buffer layer (10).
2. 2. The PU molded sponge backrest of claim 1, wherein: the air-permeable door is characterized in that an air hole (2) is formed in the front end of the body (1), and the air hole (2) is formed in the middle of the body (1).
3. 3. The PU molded sponge backrest of claim 1, wherein: the waist support is arranged on the lower portion of the front end of the body (1), the mounting blocks (5) are mounted on two side walls of the waist support (4), and the mounting blocks (5) are fixedly connected with the body (1).
4. 4. The PU formed sponge backrest of claim 3, wherein: massage balls (3) are arranged on two sides of the front end of the waist support (4), and two massage balls (3) are arranged.
5. 5. The PU molded sponge backrest of claim 1, wherein: the body (1) rear end four corners department all is provided with magic subsides (13), magic subsides (13) are provided with four.
6. 6. The PU molded sponge backrest of claim 1, wherein: two second connection pieces (16) are installed to body (1) rear end left part, all be provided with second elastic cord (17) on second connection piece (16), second elastic cord (17) front end all is provided with draw-in groove (11), two first connection pieces (14) are installed to body (1) rear end right part, all be provided with first elastic cord (15) on first connection piece (14), first elastic cord (15) front end all is provided with bayonet socket (12), bayonet socket (12) all are connected with draw-in groove (11) chucking.

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