CN218266109U

CN218266109U - High thermal efficiency engine is with thermal-insulated protection casing

Info

Publication number: CN218266109U
Application number: CN202221928363.8U
Authority: CN
Inventors: 彭步前; 杨举伟; 林思远; 王加林; 盖凯杰; 龙君明
Original assignee: Yantai Ishikawa Sealing Technology Co ltd
Current assignee: Yantai Ishikawa Sealing Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-10
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a heat insulation protective cover for a high thermal efficiency engine, which consists of an upper heat insulation cover and a lower heat insulation cover; the heat insulation structure is characterized in that the upper heat insulation cover is provided with a bolt mounting hole and a abdication hole, and the lower heat insulation cover is provided with a bolt mounting hole; the upper heat insulation cover and the lower heat insulation cover simultaneously penetrate through the bolt mounting hole through one bolt, and are vertically mounted on the supercharger; the upper heat insulation cover and the lower heat insulation cover are of three-layer structures; the periphery of the heat shield is flanged by the outer heat insulation layer to form a full-edge-covered structure, and the inner heat insulation layer and the middle heat insulation layer are connected through the flanged full-edge-covered structure; the upper heat insulation cover and the lower heat insulation cover are of a two-layer structure at the bolt hole part and consist of an inner heat insulation layer and an outer heat insulation layer; the assembly efficiency is improved, the processing technology is simplified, the wrapping shielding area of the supercharger is increased, and the heat management requirement of the vehicle can be better met.

Description

High thermal efficiency engine is with thermal-insulated protection casing

Technical Field

The utility model relates to a car technical field that insulates against heat, specifically say and a high thermal efficiency engine is with thermal-insulated protection casing.

Background

The engine supercharger heat shield assembly is an important component of an automobile heat management system and is used for blocking or reducing the influence of heat radiation of an engine supercharger, and the performance of the engine supercharger heat shield assembly influences the driving safety and the service life of the whole automobile. Along with the development of the intelligent automobile industry, for example, the number of electric elements, linear speed, oil pipes and the like arranged around an automobile engine supercharger is increased, the corresponding engine parts are more compact, and the existing engine supercharger heat shield assembly cannot meet the use requirement. The following disadvantages exist:

1. the conventional engine supercharger heat shield is designed integrally, the heat shield can meet the requirements of manufacturability and installation feasibility, the wrapping area of the heat shield is reduced, the protection area is insufficient, and the flow direction of the dissipated heat is not effectively controlled due to the structural limitation of the heat shield;

2. the heat shield of the existing engine supercharger is designed to be of a single-layer structure, so that the heat shield is poor in heat insulation, cannot effectively protect electrical elements, wiring harnesses, oil pipes and the like outside a heat source, and is thick and heavy and does not meet the requirement of light weight design;

3. the engine parts are compact, and the safety of the heat shield is poor under the influence of space;

4. the existing engine supercharger heat shield has the disadvantages of poor processing technology and poor strength, and wrinkles, cracks and the like appear on the complex structure of the heat shield in order to meet the requirements of protecting parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a heat insulation protective cover for a high-heat-efficiency engine.

The utility model provides a technical scheme is: a heat insulation protective cover for a high-heat-efficiency engine consists of an upper heat insulation cover and a lower heat insulation cover; the heat insulation structure is characterized in that the upper heat insulation cover is provided with a bolt mounting hole and a abdication hole; the lower heat shield is provided with a bolt mounting hole; the upper heat shield and the lower heat shield penetrate through the bolt mounting hole through one bolt simultaneously and are mounted on the supercharger in a mutually perpendicular mode.

Furthermore, the upper heat shield and the lower heat shield are of three-layer structures, and the three-layer structures of the upper heat shield and the lower heat shield respectively consist of an inner heat insulation layer, a middle heat insulation layer and an outer heat insulation layer.

Furthermore, the periphery of the heat shield is of a full-edge-covered structure formed by flanging the outer heat insulation layer, and the inner heat insulation layer and the middle heat insulation layer are connected through the flanging full-edge-covered structure.

Furthermore, the upper heat insulation cover and the lower heat insulation cover the top surface and the side surface of the supercharger, and a flanging structure is arranged on the local part of the supercharger to form a semi-surrounding shape.

Furthermore, the upper heat shield and the lower heat shield are of a two-layer structure at the bolt hole part and consist of an inner heat insulation layer and an outer heat insulation layer.

The utility model has the advantages that:

1. the design method is divided into an upper heat shield design and a lower heat shield design, the heat shield structure is optimized, and a flanging structure is designed, so that the wrapping area of the supercharger is increased, the part processing difficulty is reduced, and the emitted heat is effectively controlled to flow to a safe area; 2. the upper heat insulation cover and the lower heat insulation cover are of three-layer structures, the inner heat insulation layer and the outer heat insulation layer are made of plated aluminum plates, the materials are particularly corrosion-resistant and heat-insulating, the middle heat insulation layer is made of high silica glass fibers and has good heat insulation and fire resistance, the three materials are combined, the periphery of the heat insulation cover is flanged by the outer heat insulation layer to form a full-edge-covered structure, the inner heat insulation layer and the middle heat insulation layer are connected through the flanged full-edge-covered structure, the light-weight design requirement is met, heat insulation is realized, the weight of the heat insulation cover is reduced, the heat insulation efficiency is improved, the strength is increased, and slag leakage outside the middle layer is avoided; 3. one bolt penetrates through the bolt mounting hole simultaneously and is vertically mounted on the supercharger; the heat shield bolt is installed on the surface, the middle layer is removed, the inner layer is attached to the outer layer, the assembling efficiency is improved, the processing technology is simplified, and the bolt is not easy to loosen; 4. the service life and the cost performance are improved, and the economic value is good.

Drawings

FIG. 1 is a schematic structural view of an upper heat shield according to the present invention;

FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;

FIG. 3 is a schematic structural view of the lower heat shield of the present invention;

FIG. 4 is a schematic view B-B of FIG. 3;

FIG. 5 is a cross-sectional view of the heat shield cover of the present invention;

FIG. 6 is a cross-sectional view of the bolt hole of the present invention;

fig. 7 is an installation schematic of the present invention;

fig. 8 is another installation schematic of the present invention.

In the figure: the heat shield comprises an upper heat shield 1, a lower heat shield 2, a bolt mounting hole 3, a 4-way hole, a supercharger 5, an outer heat insulation layer 6, a middle heat insulation layer 7, an inner heat insulation layer 8, a full-edge-covering structure 9 and a flanging structure 10.

Detailed Description

For a better understanding and an implementation, the present invention will be described in detail with reference to the following specific embodiments.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, a heat insulation shield for high thermal efficiency engine is composed of an upper heat insulation shield 1 and a lower heat insulation shield 2; the upper heat shield 1 is provided with four bolt mounting holes 3 and a yielding hole 4, and the upper heat shield 1 is mounted on the supercharger 5 through mounting bolts; the lower heat shield 2 is provided with two bolt mounting holes 3, and the lower heat shield 2 is mounted on the supercharger 5 through mounting bolts; the upper heat shield 1 and the lower heat shield 2 are vertically arranged on the supercharger 5, one bolt penetrates through bolt mounting holes 3 in the upper heat shield 1 and the lower heat shield 2 at the same time, the upper heat shield 1 and the lower heat shield 2 cover the top surface and the side surface of the supercharger 5, and a flanging structure 10 is locally designed to form a semi-surrounding shape, so that heat emitted by the supercharger 5 is isolated, and the heat emitted by the supercharger 5 flows to a safe area; the upper heat shield 1 and the lower heat shield 2 are of three-layer structures and are composed of an inner heat-insulating layer 8, a middle heat-insulating layer 7 and an outer heat-insulating layer 6, the inner heat-insulating layer 8 and the outer heat-insulating layer 6 are made of plated aluminum plates, the middle heat-insulating layer 7 is made of high silica glass fibers and is filled with the high silica glass fibers, the periphery of the heat-insulating shield is flanged by the outer heat-insulating layer 6 to form a full-edge-covering structure 9, the inner heat-insulating layer 8 and the middle heat-insulating layer 7 are connected through the flanged full-edge-covering structure 9, the outer leakage of the middle heat-insulating layer 7 is avoided, and the structural strength of a product is enhanced; the upper heat shield 1 and the lower heat shield 2 at the installation part of the bolt installation hole 3 are both of two-layer structures and are composed of the inner heat insulation layer 8 and the outer heat insulation layer 6, the middle heat insulation layer is removed, bolt axial force attenuation caused by stress relaxation of the middle heat insulation layer is reduced, and use reliability is improved.

The utility model discloses a high thermal efficiency engine is with thermal-insulated protection casing, keep apart the heat that the booster gived off, and flow to safe region according to the heat insulating boot shape with gived off heat, the spare part outside the protection booster; and meanwhile, the heat emitted by the supercharger is isolated and kept away from two side surfaces of the engine cylinder cover.

It should be understood that technical features not described in detail in the specification belong to the prior art. Although the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many more forms without departing from the spirit and scope of the present invention.

Claims

1. A heat insulation protective cover for a high-thermal-efficiency engine comprises an upper heat insulation cover and a lower heat insulation cover; the heat insulation structure is characterized in that the upper heat insulation cover is provided with a bolt mounting hole and a abdicating hole; the lower heat shield is provided with a bolt mounting hole; the upper heat shield and the lower heat shield simultaneously penetrate through the bolt mounting holes through one bolt, and are vertically mounted on the supercharger; the upper heat shield and the lower heat shield are of three-layer structures, and the three-layer structures of the upper heat shield and the lower heat shield respectively consist of an inner heat insulation layer, a middle heat insulation layer and an outer heat insulation layer; the periphery of the heat shield is flanged by the outer heat insulation layer to form a full-edge-covering structure, and the inner heat insulation layer and the middle heat insulation layer are connected through the flanged full-edge-covering structure; the upper heat insulation cover and the lower heat insulation cover are of two-layer structures at bolt hole positions and are composed of an inner heat insulation layer and an outer heat insulation layer.

2. The heat shield for high thermal efficiency engine according to claim 1, wherein the upper and lower heat shields are covered on the top and side surfaces of the supercharger, and have a partially flanged structure in a semi-surrounding shape.