CN212046293U - Spare tire cover plate with improved emission - Google Patents

Abstract

The utility model discloses a spare tire cover plate for improving emission, the base plate adopts a PP cellular board, the PP cellular board consists of a PP cellular core in the middle, an upper glass fiber reinforced PP skin and a lower glass fiber reinforced PP skin, and is characterized in that a layer of non-woven fabric is arranged between the PP cellular core and at least one layer of glass fiber reinforced PP skin in the upper glass fiber reinforced PP skin and the lower glass fiber reinforced PP skin, and activated carbon powder is arranged between the non-woven fabric and the glass fiber reinforced PP skin; the active carbon is arranged between the surface skin and the non-woven fabric under the surface skin, the active space of the active carbon is limited, and the active carbon does not move in a large range, so that the active carbon powder is prevented from moving between the upper surface skin and the lower surface skin, the position limitation of the active carbon is realized, and the abnormal sound problem is solved.

Description

Spare tire cover plate with improved emission

The technical field is as follows:

the utility model relates to a spare tire cover technical field is particularly an improve the spare tire cover who gives off nature.

Background art:

the spare tire cover plate is an automobile inner decoration on an SUV automobile and is placed on a spare tire to provide a flat storage space. Generally, the bearing performance is required to be better, and a new material adopted at present is a PP cellular board.

The middle of the PP cellular board is a circular tube honeycomb, the upper and lower surface skins are glass fiber reinforced PP surface skins, and the upper and lower surface skins are bonded with the middle PP cellular core material through hot melting compounding.

Although the PP honeycomb panel is a material with good emission, the problem of emission still exists due to the additive in the PP material and the oxidative decomposition in the heating process, so it is proposed to add activated carbon in the hollow structure of the PP honeycomb panel to adsorb the emitted small molecules.

The improvement of the emission is an effective measure, but the activated carbon particles are not bound in the space structure of the PP honeycomb plate, abnormal sound is generated due to vibration, inclination, overturn and the like, and the problem is urgently needed to be solved.

The utility model has the following contents:

the utility model aims at overcoming the deficiencies of the prior art and providing a spare tire cover plate with improved emission.

The utility model provides a technical scheme is: the spare tire cover plate for improving the emission performance is characterized in that a layer of non-woven fabric is arranged between at least one layer of glass fiber reinforced PP surface skin in the upper glass fiber reinforced PP surface skin and the lower glass fiber reinforced PP surface skin and the PP honeycomb core, and activated carbon powder is arranged between the non-woven fabric and the glass fiber reinforced PP surface skin.

Furthermore, the gram weight of the non-woven fabric per square meter is between 5 and 40 g.

Furthermore, one surface of the glass fiber reinforced PP surface skin close to the activated carbon powder is provided with a PE layer with a low melting point.

The utility model has the advantages that: 1. compared with the mode of placing the activated carbon between two layers of the surface skin in the prior art, the activated carbon is arranged between the surface skin and the non-woven fabric under the surface skin, the active space of the activated carbon is limited, and the activated carbon does not move in a large range, so that the activated carbon powder is prevented from moving between the upper surface skin and the lower surface skin, the position limitation of the activated carbon is realized, and the abnormal sound problem is solved; 2. the non-woven fabric is arranged on the surface of the PP honeycomb core in advance, so that the effect of reinforcing the PP honeycomb core can be achieved; 3. the gram weight of the non-woven fabric is preferably 5-40g, and the non-woven fabric with too low gram weight has too poor strength and increased pores, so that the activated carbon is easy to fall off; the non-woven fabric with too high gram weight can not only increase the cost, but also influence the bonding of the surface skin and the honeycomb core; 4. set up the PE layer of one deck low melting point under the fine reinforcing PP epidermis of glass, can let PE melt back bond active carbon and the fine reinforcing PP epidermis of glass together, reduce the risk that the active carbon drops more to the surface of active carbon granule is not blockked up by various resins, does not influence adsorption effect, can solve the sporadic problem well.

Description of the drawings:

FIG. 1 is a schematic view of a conventional spare tire cover;

fig. 2 is a schematic structural diagram of the present invention.

The specific implementation mode is as follows:

for a better understanding and appreciation of the invention, reference will now be made in detail to the following description taken in conjunction with the accompanying drawings and examples; the examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention.

In comparison, as shown in fig. 1, the conventional spare tire cover includes a base plate, a fabric on the base plate, and various accessories; the base plate is made of a PP honeycomb plate, and in order to improve the emission, activated carbon powder 5 is added into a hollow structure of the PP honeycomb plate; usually, a circular tube is adopted to manufacture the PP honeycomb core 1, the PP honeycomb core 1 is in a double-sided transparent form, and is bonded with the upper glass fiber reinforced PP skin 2 and the lower glass fiber reinforced PP skin 3 in a hot pressing mode. The specific manufacturing method comprises the following steps:

firstly, laying a lower glass fiber reinforced PP skin 3 at the bottom, then laying a PP honeycomb core 1, spreading activated carbon powder 5 on the PP honeycomb core 1, then covering an upper glass fiber reinforced PP skin 2, and bonding the skins and the honeycomb core together through a hot pressing process, thereby sealing the activated carbon powder 5 in a honeycomb structure.

With the activated carbon, odor and small molecular substances in the PP honeycomb plate can be adsorbed by the activated carbon, so that outward emission is reduced, and the emission performance of the spare tire cover plate is improved. However, the activated carbon powder has a large moving space in the PP honeycomb panel, and abnormal sound is generated during moving or bumping.

In example 1, as shown in fig. 2, a circular tube is used to manufacture a PP honeycomb core 1, the PP honeycomb core 1 is in a double-sided transparent form, and is bonded with an upper glass fiber reinforced PP skin 2 and a lower glass fiber reinforced PP skin 3 in a hot-pressing manner; one surface of the PP honeycomb core 1 is provided with a layer of non-woven fabric 4, and activated carbon powder 5 is arranged between the non-woven fabric 4 and the adjacent glass fiber reinforced PP surface skin. The specific manufacturing method comprises the following steps:

firstly, laying a layer of lower glass fiber reinforced PP skin 3 below, then laying a PP honeycomb core 1, laying a layer of non-woven fabric 4 on the PP honeycomb core 1, wherein the non-woven fabric 4 is a PET spun-bonded non-woven fabric, and the gram weight of each square meter of the non-woven fabric is between 5 and 40 g; spreading activated carbon powder 5 on a non-woven fabric 4, then covering a layer of glass fiber reinforced PP surface skin 2, and bonding the surface skin and a PP honeycomb core 1 together through a hot pressing process so as to seal the activated carbon powder 5 in a honeycomb structure, wherein one side with the activated carbon powder 5 is bonded with the PP honeycomb core 1 and the non-woven fabric 4, and the non-woven fabric 4 is bonded with the glass fiber reinforced PP surface skin 2; the activated carbon powder 5 at the bonding position is extruded to the adjacent position in the compacting process, and a few activated carbon powder 5 which cannot be extruded to the adjacent position are positioned between the section of the round tube of the honeycomb and the glass fiber reinforced PP skin.

By adopting the activated carbon, the odor and the micromolecular substances in the PP honeycomb plate can be adsorbed by the activated carbon, so that the outward diffusion amount is reduced, and the diffusion property of the spare tire cover plate is improved; by adopting a layer of non-woven fabric, the activated carbon powder is limited between the non-woven fabric and the glass fiber reinforced PP surface, almost no moving space exists, and no abnormal sound is generated in the moving or bumping process; the nonwoven fabric, preferably the spunbonded nonwoven fabric with lower gram weight has many advantages of low gram weight, such as light weight and low cost, and most importantly, the PP honeycomb core below the nonwoven fabric and the glass fiber reinforced surface skin above the nonwoven fabric have the opportunity of contacting with each other after being melted.

Example 2, as shown in fig. 2, a PP honeycomb core 1 made of a circular tube is adopted, the surface of the PP honeycomb core 1 is provided with a non-woven fabric 4, which is not in a double-sided through form, and the non-woven fabric 4 can be single-sided or double-sided; the non-woven fabric 4 is made of a material with a melting point higher than that of PP (polypropylene), such as the most common PET (polyethylene terephthalate) non-woven fabric, and has the advantage of low gram weight, such as 5g per square meter; the PP honeycomb core 1 with the non-woven fabric 4 can prevent transverse tearing; the PP honeycomb core 1 with the non-woven fabric 4, the upper glass fiber reinforced PP skin 2 and the lower glass fiber reinforced PP skin 3 are bonded together in a hot pressing mode; activated carbon powder 5 is scattered on the non-woven fabric 4 on the surface of the PP honeycomb core 1, and finally the activated carbon powder 5 is sealed in the PP honeycomb plate. The specific manufacturing method comprises the following steps:

firstly, laying a lower glass fiber reinforced PP surface skin 3 at the bottom, then laying a PP honeycomb core 1 with a non-woven fabric 4 on the surface, spreading activated carbon powder 5 on the PP honeycomb core 1 with one surface of the non-woven fabric 4, and then covering an upper glass fiber reinforced PP surface skin 2; the activated carbon powder 5 is sealed between the non-woven fabric 4 and the glass fiber reinforced PP surface skin by fusing together in a heating and pressurizing way; because the active carbon has no moving space, the problem of abnormal sound does not exist.

In the above embodiment, a low melting point PE layer may also be added to the surface of the fiberglass reinforced PP skin near the activated carbon powder 5; the hot melt adhesive film is added on the activated carbon, so that the adhesion of the glass fiber reinforced PP surface layer with the non-woven fabric and the honeycomb core can be improved, and after the hot melt adhesive film is melted, the effect of fixing the activated carbon powder can be achieved, and the risk of abnormal sound can be further eliminated.

Claims (3)

1. Improve sporadic spare tyre cover, the base plate adopts the PP honeycomb panel, the PP honeycomb panel constitute by middle PP honeycomb core (1), last glass fibre reinforcing PP epidermis (2) and glass fibre reinforcing PP epidermis (3) down, its characterized in that, last glass fibre reinforcing PP epidermis (2) and glass fibre reinforcing PP epidermis (3) down in at least one deck glass fibre reinforcing PP epidermis and PP honeycomb core (1) between be equipped with one deck non-woven fabrics (4), be provided with activated carbon powder (5) between non-woven fabrics (4) and this glass fibre reinforcing PP epidermis.

2. The improved emission spare tire cover according to claim 1, wherein the grammage of the nonwoven fabric (4) is between 5 and 40g per square meter.

3. The improved emanation spare tire cover plate as claimed in claim 1, wherein the surface of the glass fiber reinforced PP skin adjacent to the activated carbon powder (5) is provided with a low melting point PE layer.

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