CN216942110U

CN216942110U - Needle-punched cloth for engine hood

Info

Publication number: CN216942110U
Application number: CN202122641785.9U
Authority: CN
Inventors: 陶建平
Original assignee: Changzhou Zhongda Nonwoven Products Co ltd
Current assignee: Changzhou Zhongda Nonwoven Products Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-07-12
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of needle cloth, in particular to needle cloth for a hood, which comprises a needle cloth main body, wherein the needle cloth main body sequentially comprises an adhesive layer, a heat insulation layer, a first sound attenuation layer, a heat absorption layer, a second sound attenuation layer and a fireproof layer from top to bottom, a plurality of heat insulation cavities are uniformly distributed in the heat insulation layer, carbon dioxide gas is arranged in the heat insulation cavities, a plurality of heat absorption balls are arranged in the heat absorption layer, support columns are arranged among the heat absorption balls, the upper ends of the support columns are connected with the bottom end of the first sound attenuation layer, the heat insulation effect of the needle cloth main body is improved conveniently through the arrangement of the heat insulation layer and the heat insulation cavities, the heat absorption effect of the needle cloth main body is improved conveniently through the arrangement of the heat absorption balls, and the support structure of the heat absorption layer is improved conveniently through the arrangement of the support columns.

Description

Needle-punched cloth for engine hood

Technical Field

The utility model relates to the technical field of needle punched cloth, in particular to needle punched cloth for a hood.

Background

As is well known, spunlace fabrics, also called spunlace non-woven fabrics and also called spunlace fabrics, wherein spunlace fabrics are formed by penetrating high-pressure water flow into fiber nets to enable the fibers to be intertwined, so that the original loose fiber nets have certain strong and complete structures, the principle is that after the water jet penetrates through the fiber net, the water jet is rebounded by the supporting net curtain and penetrates through the fiber net again, therefore, the fiber in the fiber web is displaced, penetrated, tangled and cohered under the hydraulic action of high-speed water jet penetration in different directions, therefore, the fiber web is reinforced, the existing spunlace fabric is widely popular among people due to the characteristics of softness, comfort, safety, sanitation and the like, and the deeply processed products such as wiping cloth, wet facial tissue, facial mask, gauze and the like made of the spunlace fabric are widely applied to many fields of life and production and become an important novel material for improving the life quality and special purposes of people.

For example, patent publication No. CN109572133A entitled "a special structure nonwoven needle punched fabric", discloses "a special structure nonwoven needle punched fabric comprising a protective layer, an elastic interlayer, a composite face fabric layer, a long fiber web layer, a short fiber web layer, a mesh, an inner liner layer and a silk layer. The utility model has the beneficial effects that: the inoxidizing coating, the elasticity intermediate layer, compound surface cloth layer, be the laminated structure between inner liner and the silk layer, and through water thorn mode complex connection in proper order, need not the adhesive and can consolidate the multilayer, compliance and toughness have the preferred, cross connection between long fiber stratum reticulare and the short fiber stratum reticulare, and be formed with the space between long fiber stratum reticulare and the short fiber stratum reticulare, better ventilative water permeability has, mesh evenly distributed is between long fiber stratum reticulare and short fiber stratum reticulare, and it has phase transition energy storage material to scribble in the mesh, store the heat in self or release for the performance of environment with the form of latent heat in the phase transition in-process, more be favorable to adjusting human temperature, the elasticity intermediate layer is double-deck composite construction, make the cloth cover have better homogeneity and elasticity ".

When the needle-punched cloth is used, the structure is simple, the sound insulation and the fire prevention are avoided, the needle-punched cloth is not suitable for vehicles, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a piece of needled cloth for a hood.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a needle loom for bonnet, includes needle loom main part, needle loom main part from the top down is including pasting layer, insulating layer, first noise damping layer, heat-sink shell, second noise damping layer and flame retardant coating in proper order, a plurality of thermal-insulated chambeies of thermal-insulated in-situ equipartition, thermal-insulated intracavity is equipped with carbon dioxide gas, be equipped with a plurality of heat-absorbing balls in the heat-sink shell, the heat-sink shell is located and is equipped with the support column between the heat-absorbing ball, the support column upper end is connected with first noise damping layer bottom, the support column lower extreme is connected with second noise damping layer top, many conductive fiber of needle loom main part equipartition, conductive fiber runs through in proper order and pastes layer, insulating layer, first noise damping layer, heat-sink shell, second noise damping layer and flame retardant coating.

In order to facilitate the acupuncture cloth main body to absorb heat, the utility model has the improvement that the heat absorption ball is internally provided with a cavity, and sodium acetate trihydrate solid is arranged in the cavity.

In order to facilitate the needle-punched cloth body to better absorb noise, the improvement of the utility model is that the sound-deadening layer is melamine soundproof cotton.

In order to facilitate better heat insulation of the needle-punched cloth main body, the improvement of the utility model is that the first silencing layer and the second silencing layer are made of pearl heat insulation cotton.

(III) advantageous effects

Compared with the prior art, the utility model provides the needle-punched cloth for the engine cover, which has the following beneficial effects:

this flip uses needle punched cloth, through the setting in insulating layer and thermal-insulated chamber, be convenient for improve the thermal-insulated effect of needle punched cloth main part, through the setting of heat absorption ball, be convenient for improve the heat absorption effect of needle punched cloth main part, through the setting of support column, be convenient for improve the bearing structure of heat-sink shell, through conductive fiber's setting, be convenient for improve dredging electrostatic effect of needle punched cloth main part, through pasting the setting on layer, be convenient for improve the convenience of pasting of needle punched cloth main part, through the setting on noise damping layer, be convenient for improve the noise elimination effect of needle punched cloth main part.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

in the figure: 1. a main body of a burling cloth; 2. a bonding layer; 3. a thermal insulation layer; 4. a first sound-deadening layer; 5. a heat absorbing layer; 6. a second sound-deadening layer; 7. a fire barrier layer; 8. a heat insulation cavity; 9. a heat absorption ball; 10. a support pillar; 11. a conductive fiber; 12. a cavity; 13. sodium acetate trihydrate solid.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-2, a piece of needled cloth for a bonnet comprises a needled cloth main body 1, wherein the needled cloth main body 1 sequentially comprises a bonding layer 2, a heat insulation layer 3, a first sound absorption layer 4, a heat absorption layer 5, a second sound absorption layer 6 and a fireproof layer 7 from top to bottom, a plurality of heat insulation cavities 8 are uniformly distributed in the heat insulation layer 3, carbon dioxide gas is arranged in each heat insulation cavity 8, a plurality of heat absorption balls 9 are arranged in the heat absorption layer 5, support columns 10 are arranged between the heat absorption balls 9 on the heat absorption layer 5, the upper ends of the support columns 10 are connected with the bottom end of the first sound absorption layer 4, the lower ends of the support columns 10 are connected with the top end of the second sound absorption layer 6, a plurality of conductive fibers 11 are uniformly distributed on the needled cloth main body, and the conductive fibers 11 sequentially penetrate through the bonding layer 2, the heat insulation layer 3, the first sound absorption layer 4, the heat absorption layer 5, the second sound absorption layer 6 and the fireproof layer 7.

Furthermore, the heat absorption ball 9 is internally provided with a cavity 12, and sodium acetate trihydrate solid 13 is arranged in the cavity 12, so that the heat absorption effect of the needle-punched cloth main body 1 is improved conveniently

Furthermore, the adhesive layer 2 is a two-component epoxy adhesive layer, which is convenient for improving the adhesive convenience of the needle-punched cloth main body 1.

Furthermore, the heat insulation layer 3 is made of pearl heat insulation cotton, so that the noise elimination effect of the needle-punched cloth main body 1 is improved conveniently.

Furthermore, the first silencing layer 4 and the second silencing layer 6 are made of melamine soundproof cotton, so that the noise elimination effect of the needle punched fabric main body 1 is improved conveniently.

Furthermore, the fireproof layer 7 is rock wool, so that the fireproof effect of the needle punching cloth main body 1 is improved conveniently.

Furthermore, the fire-proof layer 7 outside scribbles the oil-proof layer, is convenient for improve the anti greasy dirt effect of acupuncture cloth main part 1.

To sum up, when the engine hood is used, a user pastes the sticking layer 2 of the needle cloth main body 1 to the inner side of the engine hood, when an engine runs, noise of the engine enters the silencing layer after being filtered by the fireproof layer 7, the noise of the engine can be reduced by filtering melamine soundproof cotton in the silencing layer to enter a cab and outside a vehicle, after heat of the engine enters the heat absorbing layer 5 of the needle cloth main body 1, sodium triacetate solid 13 in the heat absorbing ball 9 can absorb the heat and become liquid, after being filtered together with pearl heat insulation cotton of the heat insulation layer 3, the heat of the engine can be reduced to be conducted to the engine hood, due to the arrangement of the fireproof layer 7 on the needle cloth main body 1, the needle cloth main body 1 can be effectively protected when a large amount of needle heat is emitted by continuous work of the engine, when static electricity exists in the vehicle, the static electricity can be conducted to the engine hood through the conductive fiber 11, when the automobile runs on a bumpy road surface, the support columns 10 can support the space structure of the heat absorbing layer 5, so that the heat absorbing balls 9 are prevented from being dislocated and damaged, and when the automobile is used for a long time, the oil-proof layer can improve the tidiness of the needle-punched cloth main body.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kind of engine hood uses the needle loom, including the needle loom body (1), its characterized in that: acupuncture cloth main part (1) from the top down is including pasting layer (2), insulating layer (3), first noise damping layer (4), heat-sink shell (5), second noise damping layer (6) and flame retardant coating (7) in proper order, a plurality of thermal-insulated chambeies of equipartition (8) in insulating layer (3), be equipped with carbon dioxide gas in thermal-insulated chamber (8), be equipped with a plurality of heat-absorbing balls (9) in heat-sink shell (5), heat-sink shell (5) are located and are equipped with support column (10) between heat-absorbing ball (9), support column (10) upper end is connected with first noise damping layer (4) bottom, support column (10) lower extreme and second noise damping layer (6) top are connected, acupuncture cloth main part equipartition many conductive fiber (11), conductive fiber (11) run through in proper order and paste layer (2), insulating layer (3), first noise damping layer (4), heat-sink shell (5), A second sound-deadening layer (6) and a fire-proofing layer (7).

2. The needle punched fabric for the hood according to claim 1, wherein: the heat absorption ball (9) is internally provided with a cavity (12), and sodium acetate trihydrate solids (13) are arranged in the cavity (12).

3. The needle punched fabric for a hood as set forth in claim 2, wherein: the adhesive layer (2) is a two-component epoxy adhesive layer.

4. The needle punched fabric for a hood as set forth in claim 3, wherein: the heat insulation layer (3) is made of pearl heat insulation cotton.

5. The needle punched fabric for the hood according to claim 4, wherein: the first silencing layer (4) and the second silencing layer (6) are both made of melamine soundproof cotton.

6. The needle punched fabric for a hood as set forth in claim 5, wherein: the fireproof layer (7) is rock wool.

7. The needle punched fabric for the hood according to claim 6, wherein: and an oil-proof layer is coated on the outer side of the fire-proof layer (7).