CN202480927U - Foam cushion of cab seat back - Google Patents

Abstract

A cab seat back foam upholstery. The technical solution is: a foam cushion for the seat back of a driver's seat, comprising a foam cushion body formed by foaming of soft polyurethane foam plastics, the two sides of the foam cushion body are embedded with PU regenerated foam supports, the The middle and upper part of the main body of the foam cushion is provided with a card slot, and the main body of the foam cushion is provided with a bent steel wire. The two ends of the steel wire are fixed in the main body of the foam cushion at both ends of the card slot. card slot. The utility model has the advantages of beautiful appearance, good surface quality, good hand feeling, good elasticity, strong tear resistance, strong applicability, high safety performance, long service life, improved seat comfort and the like.

Description

Foam cushion for seat back of cab

technical field

The utility model relates to a foam cushion for the seat back of a driver's cab, which belongs to the technical field of automobile body accessories. the

Background technique

A few days ago, the driver's waist position of heavy-duty vehicle backrest foam cushions is mostly supported by the shape of the seat back steel structure skeleton, so that the seat back fits the human body structure and improves the driver's driving comfort. The steel structure skeleton has a good supporting effect and little deformation. If it leaks accidentally, it will become an unsafe factor for the driver. The foam cushion of the backrest is soft, and it is easy to age after long-term use, especially when driving for a long time in poor road conditions, the foam cushion will be ground by the steel frame. When the foam cushion that provides protection and comfort for the driver fails, the overall styling effect of the seat is lost, and it is also a potential hazard to the driver. It is the continuous development trend of heavy-duty vehicles to reduce the protruding and exposed parts of the steel structure skeleton of the seat back and improve the driver's driving comfort and safety, and the application of this technical solution conforms to this development trend. ``

Contents of the invention

The backrest foam cushion of the utility model makes up for the shortage of relying solely on the backrest steel structure skeleton to support the foam cushion, and provides a kind of reasonable structure, excellent performance, beautiful appearance, high safety factor and strong comfort, which is suitable for the cab of heavy-duty vehicles. Seat back foam upholstered.

The utility model is realized through the following technical measures: a foam cushion for the seat back of a driver's seat, comprising a foam cushion body formed by foaming of soft polyurethane foam, and PU regenerated foam is embedded in both sides of the foam cushion body The support body, the middle and upper part of the foam cushion body is provided with a card slot, the foam cushion body is provided with a bent steel wire, and the two ends of the steel wire are fixed in the foam cushion body at both ends of the card slot. The middle part of the steel wire traverses the clamping groove. the

The specific features of the utility model are that the thickness δ of the supporting body of the above-mentioned PU regenerated foam is 20-25mm, and the height H1 is 253-257mm. the

The above-mentioned steel wire has a diameter of 3 mm.

The width L of the above-mentioned card slot is 250-265 mm, and the height H is 9-15 mm. the

The beneficial effects of the utility model are as follows: the soft polyurethane foam is used, and the foam cushion body obtained after foaming by a cast aluminum abrasive tool has both elasticity and certain tear resistance, and the foam surface quality is good without obvious defects. Improve the comfort and durability of the seat. Both sides of the seat back cushion are embedded with PU recycled foam, which has a certain support strength and deformation capacity. When the driver sits on the seat, it supports the driver's waist and improves the comfort of the seat; At the same time, since the protruding parts of the steel frame of the seat back are reduced, the safety performance of the seat is also improved. ￠3 steel wires bent at the end are embedded around the card slot in the upper part of the foam cushion, which facilitates the assembly of the seat skin and ensures that the seat skin fits the foam cushion more tightly to achieve the ideal Styling effect. In short: the utility model has the advantages of beautiful appearance, good surface quality, good hand feeling, good elasticity, strong tear resistance, strong applicability, high safety performance, long service life, and improved seat comfort. the

Description of drawings

Fig. 1 is a schematic structural view of a specific embodiment of the present invention. the

Fig. 2 is a left side view of Fig. 1 . the

FIG. 3 is a top view of FIG. 1 . the

Fig. 4 is a schematic diagram of the structure of the embedded PU regeneration foam support body in the specific embodiment of the present invention. the

FIG. 5 is a cross-sectional view along line A-A of FIG. 4 . the

In the figure, 1. foam cushion main body, 2. steel wire, 3. support body, 4. card slot. the

Detailed ways

In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation manner. the

As shown in the accompanying drawings, a foam cushion for the seat back of a driver's seat includes a foam cushion body 1 molded by soft polyurethane foam plastics, and supports 3 of PU regenerated foam are embedded in both sides of the foam cushion body , The thickness δ of the support body of the PU recycled foam is 20-25mm, and the height H1 is 253-257mm. The upper middle part of the foam cushion body 1 is provided with a card slot 4, the width L of the card slot 4 is 250-265mm, and the height H is 9-15mm. The foam cushion main body 1 is provided with a bent steel wire 2, the two ends of the steel wire 2 are fixed in the foam cushion main body 1 at both ends of the slot 4, the middle part of the steel wire 2 crosses the slot 4, and the The diameter of the steel wire 2 is 3 mm. Wherein, the supporting body of the PU regenerated foam specifically adopts a thickness δ of 20 mm and a height H of 253 mm. 

When installing and using, wrap the steel frame of the backrest completely into the card slot formed by the foaming of the main body of the foam cushion, put them into the backrest skin together, and fix the backrest skin with C-shaped nails and the steel wire embedded in the foam .

The undescribed technical features of the utility model can be realized by or using the prior art, so they will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary skilled persons within the essential scope of the present utility model shall also belong to the protection scope of the present utility model. the

Claims (4)

1. operator's compartment seat back foam cushion; It is characterized in that, comprise the airfoam cushion main body of flexible polyurethane foam foaming, the supporter of the embedded PU regenerated foam in the both sides of said airfoam cushion main body; The middle and upper part of said airfoam cushion main body is provided with draw-in groove; Said airfoam cushion main body is provided with the steel wire of bending, and the two ends of steel wire are fixed in the airfoam cushion main body at draw-in groove two ends, and said draw-in groove is crossed at said steel wire middle part.

2. operator's compartment seat back foam cushion according to claim 1 is characterized in that, the supporter thickness δ of affiliated PU regenerated foam is 20-25mm, and height H 1 is 253-257mm.

3. operator's compartment seat back foam cushion according to claim 1 and 2 is characterized in that said gauge of wire is 3mm.

4. operator's compartment seat back foam cushion according to claim 1 and 2 is characterized in that the width L of said draw-in groove is 250-265mm, and height H is 9-15mm.

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