CN216804757U

CN216804757U - PBT plastic for high-strength electric appliance shell

Info

Publication number: CN216804757U
Application number: CN202220371041.1U
Authority: CN
Inventors: 孙贝贝
Original assignee: Shenzhen Chuangxin Technology Co ltd
Current assignee: Shenzhen Chuangxin Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-24
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to a PBT plastic for preparing a high-strength electric appliance shell, which belongs to the technical field of plastics for preparing an electric appliance shell and comprises two PBT plastic layers and a compression-resistant layer arranged between the two PBT plastic layers, wherein one side of each of the two PBT plastic layers opposite to each other is provided with an anti-permeation layer, the compression-resistant layer comprises reinforcing ribs in a hexagonal structure, the reinforcing ribs are hollow inside, the reinforcing ribs are provided with a plurality of groups and arranged in a honeycomb manner, the inner area of one group of reinforcing ribs in two adjacent groups of reinforcing ribs is a first mounting area, the inner area of the other group of reinforcing ribs is a second mounting area, a buffer body is arranged in the first mounting area, a sound-absorbing body is arranged in the second mounting area, the sound-absorbing body comprises a fiber layer, a porous layer and a bonding layer positioned between the fiber layer and the porous layer, the sound-absorbing body is internally provided with a heat dissipation channel penetrating through the thickness, and the PBT plastic layers and the anti-permeation layers are provided with air holes for avoiding the heat dissipation channel, the heat dissipation channel is of a wave-shaped structure.

Description

PBT plastic for high-strength electric appliance shell

Technical Field

The utility model relates to the technical field of plastics for preparing electric appliance shells, in particular to PBT plastic for preparing a high-strength electric appliance shell.

Background

The utility model provides polybutylene terephthalate (PBT) plastic for preparing a high-strength electric appliance shell, which is one of plastic materials commonly used in industry, has high heat resistance, weather resistance, low water absorption and fatigue resistance, and has poor strength, heat dissipation and sound insulation properties when the PBT plastic is used for preparing the electric appliance shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide PBT plastic for a high-strength electric appliance shell, which solves the following technical problems:

when the PBT plastic is used for manufacturing the shell of the electric appliance, the strength, the heat dissipation performance and the sound insulation performance of the PBT plastic are further improved.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows.

The utility model provides a PBT plastics that high strength electric appliance shell system was used, includes the PBT plastic layer, and the PBT plastic layer is provided with two-layer and be provided with the anti-pressure layer between the two-layer PBT plastic layer, and one side that two-layer PBT plastic layer carried on the back mutually all is provided with the prevention of seepage layer.

Further, the anti-pressure layer is including the strengthening rib that is the hexagon structure, and the inside cavity of strengthening rib is provided with multiunit and is honeycomb between the multiunit strengthening rib and arranges.

Furthermore, in two adjacent groups of reinforcing ribs, the inner area of one group of reinforcing ribs is a first mounting area, and the inner area of the other group of reinforcing ribs is a second mounting area;

the first mounting area is internally provided with a buffer body, and the second mounting area is internally provided with a sound absorbing body.

Furthermore, the reinforcing ribs are made of high-density polyethylene.

Further, the buffer body is of a block structure made of polyethylene resin.

Further, the sound absorbing body includes a fiber layer, a porous layer, and an adhesive layer between the fiber layer and the porous layer for bonding the fiber layer and the porous layer.

Furthermore, the sound absorption body is internally provided with a heat dissipation channel penetrating through the thickness, and air holes used for avoiding the heat dissipation channel are formed in the PBT plastic layer and the anti-seepage layer.

Furthermore, the heat dissipation channel is of a wave-shaped structure.

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

1. according to the utility model, the compression-resistant layer is arranged between the two PBT plastic layers, so that the compression strength of the whole PBT plastic can be enhanced, and the compression-resistant layer is positioned between the two PBT plastic layers, so that the uniformity of the compression strength is improved, and the consistency of the whole PBT plastic is further improved;

one side through two-layer PBT plastic layer mutually backing on the back sets up the prevention of seepage layer, can prevent that external moisture from permeating into inside the electrical apparatus casing to cause negative effects to electrical components and circuit etc. inside the electrical apparatus casing, stability when further improving the electrical apparatus and using.

2. The setting of the buffering body can improve the holistic buffering anticollision performance of PBT plastics, inhales the setting of the sound body, can absorb the noise that the inside electrical components during operation of electrical apparatus casing produced, plays and falls the effect of making an uproar.

3. A heat dissipation channel penetrating through the thickness is arranged in the sound absorption body, and the heat dissipation channel is of a wave-shaped structure;

the arrangement of the heat dissipation channel can realize heat exchange between the inside of the electric appliance shell and the outside, so that the heat dissipation effect is achieved, and an electric appliance element in the electric appliance shell has a good working environment;

the heat dissipation channel with the wavy structure can prolong the propagation path of sound in the heat dissipation channel, improve sound absorption efficiency and avoid transmitting noise.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a pressure resistant layer;

FIG. 3 is a cross-sectional view of a sound absorbing body;

fig. 4 is a schematic cross-sectional view of the sound absorber.

The reference numbers in the drawings are:

1. a PBT plastic layer; 2. an anti-permeation layer; 3. a pressure resistant layer; 301. a first mounting area; 302. a second mounting area; 303. a heat dissipation channel; 304. a fibrous layer; 305. an adhesive layer; 306. a porous layer.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1 to 3, the PBT plastic for high-strength electric appliance housings comprises a PBT plastic layer 1, wherein the PBT plastic layer 1 is provided with two layers, a compression resistant layer 3 is arranged between the two PBT plastic layers 1, and anti-permeation layers 2 are arranged on the opposite sides of the two PBT plastic layers 1.

According to the utility model, the compression-resistant layer 3 is arranged between the two PBT plastic layers 1, so that the compression strength of the whole PBT plastic is enhanced, the compression-resistant layer 3 is positioned between the two PBT plastic layers 1, the uniformity of the compression strength is improved, and the consistency of the whole PBT plastic is further improved; through set up prevention of seepage layer 2 in one side that two-layer PBT plastic layer 1 carried on the back mutually, can prevent that external moisture from permeating into inside the electrical apparatus casing to cause negative effects to electrical components and circuit etc. inside the electrical apparatus casing, stability when further improving electrical apparatus and using.

As shown in fig. 2, the compression-resistant layer 3 comprises reinforcing ribs in a hexagonal structure, the reinforcing ribs are hollow inside, and the reinforcing ribs are provided with multiple groups and are arranged in a honeycomb manner among the groups of reinforcing ribs.

As an implementation mode of the utility model, a plurality of groups of reinforcing ribs are arranged in a honeycomb manner, so that a plurality of groups of vacant areas can be increased on the premise of not weakening the strength of the anti-pressure layer 3.

As shown in fig. 2-3, the inner region of one set of ribs in the two adjacent sets of ribs is identified as first installation region 301, and the inner region of the other set of ribs is identified as second installation region 302.

A buffer body is arranged in the first mounting area 301, and a sound absorbing body is arranged in the second mounting area 302.

In one embodiment of the utility model, the arrangement of the buffer body can improve the buffer and anti-collision performance of the whole PBT plastic, and the arrangement of the sound absorbing body can absorb the noise generated when an electrical element in an electrical appliance shell works and play a role in reducing the noise.

In a preferred embodiment, the reinforcing ribs are made of high density polyethylene; the high-density polyethylene has high mechanical strength, tearing strength and impact strength, and the tensile strength of the whole PBT plastic can be improved by manufacturing the high-density polyethylene into the reinforcing rib.

In a preferred embodiment, the buffer body is a block structure made of polyethylene resin, and the significance is that the polyethylene resin has the advantages of stable chemical properties, difficulty in corrosion, toughness, friction resistance, easiness in forming, low cost and the like, the buffer body made of the polyethylene resin can improve the overall buffer performance of the PBT plastic, and in addition, the resin also has certain elastic properties, can be quickly restored to the original state after buffer deformation occurs, and is good in practicability.

In a preferred embodiment, as shown in fig. 4, the sound absorbing body includes a fiber layer 304, a porous layer 306, and an adhesive layer 305 disposed between the fiber layer 304 and the porous layer 306 for bonding the two; this is significant in that the fiber layer 304 and the porous layer 306 can realize high sound absorption with a small number of layers, and can reduce the thickness.

In a preferred embodiment, as shown in fig. 3, a heat dissipation channel 303 penetrating through the thickness is arranged inside the sound absorption body, the heat dissipation channel 303 is in a wave structure, and air holes for avoiding the heat dissipation channel 303 are formed in the PBT plastic layer 1 and the permeation-proof layer 2, which is significant in that the heat dissipation channel 303 can realize heat exchange between the inside of the electrical appliance shell and the outside, thereby playing a role in heat dissipation, so that an electrical element inside the electrical appliance shell has a good working environment, in addition, the heat dissipation channel 303 is in the wave structure, thereby prolonging a propagation path of sound in the heat dissipation channel 303, improving sound absorption efficiency, and avoiding transmitting noise.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The PBT plastic for preparing the high-strength electric appliance shell comprises a PBT plastic layer (1), and is characterized in that a compression resistant layer (3) is arranged between two layers of the PBT plastic layer (1) and between two layers of the PBT plastic layer (1), and anti-seepage transparent layers (2) are arranged on the opposite sides of the two layers of the PBT plastic layer (1).

2. The PBT plastic for high-strength electric appliance housings as claimed in claim 1, wherein the compression-resistant layer (3) comprises hexagonal reinforcing ribs having a hollow interior, and the reinforcing ribs are provided with a plurality of groups of reinforcing ribs and arranged in a honeycomb manner.

3. The PBT plastic for high-strength electrical appliance housings as claimed in claim 2, wherein the inner region of one of the two adjacent sets of ribs is a first mounting region (301), and the inner region of the other set of ribs is a second mounting region (302);

a buffer body is arranged in the first mounting area (301), and a sound absorbing body is arranged in the second mounting area (302).

4. The PBT plastic for high-strength electric appliance housings as claimed in claim 2, wherein the reinforcing ribs are made of high-density polyethylene.

5. The PBT plastic for a high-strength electric appliance case according to claim 3, wherein the buffer body has a block structure made of a polyethylene resin.

6. A PBT plastic for high-strength electric appliance casing according to claim 3, wherein the sound absorber includes a fiber layer (304), a porous layer (306), and an adhesive layer (305) between the fiber layer (304) and the porous layer (306) for bonding the two.

7. The PBT plastic for the high-strength electric appliance shell according to claim 3, wherein the sound-absorbing body is internally provided with a heat dissipation channel (303) penetrating through the thickness, and the PBT plastic layer (1) and the permeation-proof layer (2) are respectively provided with a vent hole for avoiding the heat dissipation channel (303).

8. The PBT plastic for high-strength electric appliance housings as claimed in claim 7, wherein the heat dissipation channels (303) have a wave-like structure.