CN212958862U

CN212958862U - Engine heat shield based on PDCPD

Info

Publication number: CN212958862U
Application number: CN202021441370.6U
Authority: CN
Inventors: 侍小容
Original assignee: Jiangsu Ji Yuan New Material Tech Co
Current assignee: Jiangsu Qiushi Plastic Industry Co ltd; Shaanxi Jiyuan New Material Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-13
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a based on PDCPD engine separates heat exchanger relates to engine technical field, for solving current engine and producing vibration at the during operation and easily collide with separating heat exchanger to produce the problem of great noise. The heat shield comprises a heat shield body and a lower heat shield body, the heat shield body and the lower heat shield body are equal in size, the heat shield body and the lower heat shield body comprise a PDCPD outer shell and a heat insulation inner shell, the heat insulation inner shell is located inside the PDCPD outer shell, a first arc-shaped buffer plate and a second arc-shaped buffer plate are installed on the inner side of the heat insulation inner shell, the second arc-shaped buffer plate is provided with two arc-shaped buffer plates and two arc-shaped buffer plates, the second arc-shaped buffer plate is located on two sides of the first arc-shaped buffer plate respectively, springs are installed between the first arc-shaped buffer plate and the second arc-shaped buffer plate and the heat insulation inner shell, and the springs are connected with the first arc-shaped buffer plate, the second arc-shaped buffer.

Description

Engine heat shield based on PDCPD

Technical Field

The utility model relates to an engine technical field specifically is a based on PDCPD engine separates heat exchanger.

Background

At present, the power of an automobile engine is increasingly high, so that the temperature of an automobile is also increasingly high when the automobile runs, and when the automobile runs for a long time, the heat emitted to the periphery of the automobile engine can damage other rubber and plastic pipe fittings or directly ignite to cause the automobile to generate spontaneous combustion, so that the life of passengers in the automobile is damaged, so that a heat insulation cover needs to be additionally arranged on the engine, the heat insulation cover of the engine is directly connected with the automobile engine, and the heat insulation, sound insulation, dust prevention and water prevention are important key components for protecting the engine.

However, the existing engine generates vibration during operation and is easy to collide with a heat shield, so that high noise is generated, the existing requirements are not met, and the PDCPD-based engine heat shield is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a separate heat exchanger based on PDCPD engine to solve the current engine that provides among the above-mentioned background art and produce vibration easily and separate heat exchanger bump at the during operation, thereby produce the problem of great noise.

In order to achieve the above object, the utility model provides a following technical scheme: a PDCPD-based engine heat shield comprises a heat shield body, wherein the heat shield body comprises an upper heat shield body and a lower heat shield body, the sizes of the upper heat shield body and the lower heat shield body are equal, the upper heat shield body and the lower heat shield body respectively comprise a PDCPD outer shell and a heat insulation inner shell, the heat insulation inner shell is positioned in the PDCPD outer shell, a first arc-shaped buffer plate and a second arc-shaped buffer plate are arranged on the inner side of the heat insulation inner shell, the number of the second arc-shaped buffer plates is two, the two second arc-shaped buffer plates are respectively positioned on two sides of the first arc-shaped buffer plate, springs are respectively arranged between the first arc-shaped buffer plate and the heat insulation inner shell, the springs are respectively connected with the first arc-shaped buffer plate, the second arc-shaped buffer plate and the heat insulation inner shell through screws, elastic cushions are respectively arranged on the inner sides of the first arc-shaped buffer plate and the second arc-shaped buffer plate, and are respectively connected with the first arc-shaped buffer, the heat insulation inner shell comprises two galvanized steel plates and heat insulation materials, and the heat insulation materials are located between the two galvanized steel plates.

Preferably, the front end and the rear end of the upper heat shield and the lower heat shield are both provided with convex edges, and the upper heat shield is connected with the lower heat shield through locking bolts.

Preferably, the outer parts of the upper heat shield and the lower heat shield are both provided with reinforcing ribs.

Preferably, the upper end of the upper heat shield and the lower end of the lower heat shield are both provided with mounting holes.

Preferably, both sides of the heat shield are provided with through holes.

Preferably, the upper heat shield and the lower heat shield are connected with the reinforcing rib in a welding mode.

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

1. the utility model discloses an install the engine in the inside of thermal shroud, arrange in between first arc buffer board and the second arc buffer board, when engine work produced the vibration, the spring relies on self elasticity shrink deformation to absorb and offsets the vibrational force, avoids engine and thermal shroud to bump to the realization is fallen and is fallen the noise, avoids the production of noise.

2. The utility model discloses an use PDCPD material as the shell, have excellent water resistance, acid and alkali resistance and stronger impact resistance, be provided with a plurality of strengthening ribs in the outside of PDCPD shell, improve whole heat exchanger's structural strength, prolong its life, constitute thermal-insulated inner shell jointly by two-layer galvanized steel sheet and intermediate layer thermal insulation material, compare in the individual layer heat insulating sleeve have stronger thermal-insulated ability and sound-proof ability, further reduce the noise that engine work produced vibration and sent often.

Drawings

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

FIG. 2 is a schematic structural view of the heat insulating inner shell of the present invention;

FIG. 3 is a front view of the heat shield of the present invention;

fig. 4 is a side view of the heat shield of the present invention.

In the figure: 1. a heat shield; 2. an upper heat shield; 3. a lower heat shield; 4. a PDCPD housing; 5. a thermally insulated inner shell; 6. a first arc-shaped buffer plate; 7. a second arc-shaped buffer plate; 8. a spring; 9. an elastic cushion; 10. a through hole; 11. a galvanized steel sheet; 12. a thermal insulation material; 13. a convex edge; 14. locking the bolt; 15. reinforcing ribs; 16. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a PDCPD-based engine heat shield comprises a heat shield 1, wherein the heat shield 1 comprises an upper heat shield 2 and a lower heat shield 3, the sizes of the upper heat shield 2 and the lower heat shield 3 are equal, the upper heat shield 2 and the lower heat shield 3 both comprise a PDCPD outer shell 4 and a heat insulation inner shell 5, the heat insulation inner shell 5 is positioned in the PDCPD outer shell 4, a first arc-shaped buffer plate 6 and a second arc-shaped buffer plate 7 are arranged on the inner side of the heat insulation inner shell 5, the number of the second arc-shaped buffer plates 7 is two, the two second arc-shaped buffer plates 7 are respectively positioned on two sides of the first arc-shaped buffer plate 6, springs 8 are respectively arranged between the first arc-shaped buffer plate 6 and the heat insulation inner shell 5 and between the second arc-shaped buffer plate 7 and the heat insulation inner shell 5, the springs 8 are connected with the first arc-shaped buffer plate 6, the second arc-shaped buffer plate 7 and the heat insulation inner shell 5 through screws, elastic cushions 9 are respectively arranged on the, the elastic cushion 9 is connected with the first arc-shaped buffer plate 6 and the second arc-shaped buffer plate 7 in a gluing way, the engine is arranged between the first arc-shaped buffer plate 6 and the second arc-shaped buffer plate 7, the elastic cushion 9 is contacted with the engine to play a role of buffering, the damage to the engine is avoided, when the engine works to generate vibration, the spring 8 absorbs and counteracts the vibration force by means of self elastic force contraction deformation, so that the collision between the engine and the heat shield 1 is avoided, thereby realizing noise reduction, the heat-insulating inner shell 5 comprises two galvanized steel sheets 11 and heat-insulating materials 12, and the galvanized steel sheets 11 are arranged, and the heat insulating material 12 is located between two galvanized steel sheets 11, the heat insulating inner shell 5 is composed of two layers of galvanized steel sheets 11 and an interlayer heat insulating material 12, the heat insulating material 12 can be glass fiber, asbestos, rock wool and other materials, and the heat insulating inner shell 5 has stronger heat insulating capability and sound insulating capability compared with a single-layer heat insulating mechanism.

Further, go up and separate heat exchanger 2 and separate heat exchanger 3 around both ends all be provided with chimb 13 down, go up to separate heat exchanger 2 and separate heat exchanger 3 down and be connected through locking bolt 14, the connected mode is simple, and the installation is convenient fast with the dismantlement.

Further, the reinforcing ribs 15 are arranged outside the upper heat shield 2 and the lower heat shield 3, and the structural strength of the whole heat shield 1 is further improved.

Further, the upper end of the upper heat shield 2 and the lower end of the lower heat shield 3 are both provided with mounting holes 16, and the heat shield 1 can be fixed through the mounting holes 16.

Further, both sides of the heat shield 1 are provided with through holes 10, and the heat shield is conveniently connected with an engine through the through holes 10.

Furthermore, the upper heat shield 2 and the lower heat shield 3 are welded with the reinforcing ribs 15, so that the air tightness and the water tightness of the welded connection are good, the structural rigidity is also high, and the structural integrity is good.

The working principle is as follows: when the engine is used, the engine body is arranged inside the heat shield 1, the upper heat shield 2 and the lower heat shield 3 are locked through the locking bolts 14, and the heat shield 1 is fixed through the mounting holes 16, the engine is arranged between the first arc-shaped buffer plate 6 and the second arc-shaped buffer plate 7, the elastic cushion 9 is in contact with the engine to play a buffering role and avoid damage to the engine, when the engine works to generate vibration, the spring 8 absorbs and counteracts the vibration force by means of elastic shrinkage deformation of the spring 8, the collision between the engine and the heat shield 1 is avoided, noise reduction is realized, noise is avoided, a PDCPD material is used as a shell, the PDCPD material has excellent water resistance, acid and alkali resistance and stronger impact resistance, a plurality of reinforcing ribs 15 are arranged outside the PDCPD shell 4, the structural strength of the integral heat shield 1 is improved, and the service life of the heat shield 1 is prolonged, the heat insulation inner shell 5 is composed of two layers of galvanized steel plates 11 and an interlayer heat insulation material 12, the heat insulation material 12 can be made of glass fiber, asbestos, rock wool and the like, and compared with a single-layer heat insulation mechanism, the heat insulation inner shell 5 has strong heat insulation capacity and sound insulation capacity and further reduces noise generated when an engine works to generate vibration.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a based on PDCPD engine separates heat exchanger, includes heat exchanger (1), its characterized in that: the heat shield (1) comprises an upper heat shield (2) and a lower heat shield (3), the upper heat shield (2) and the lower heat shield (3) are equal in size, the upper heat shield (2) and the lower heat shield (3) both comprise a PDCPD outer shell (4) and a heat insulation inner shell (5), the heat insulation inner shell (5) is positioned in the PDCPD outer shell (4), a first arc-shaped buffer plate (6) and a second arc-shaped buffer plate (7) are installed on the inner side of the heat insulation inner shell (5), the second arc-shaped buffer plates (7) are provided with two, the second arc-shaped buffer plates (7) are respectively positioned on two sides of the first arc-shaped buffer plate (6), springs (8) are respectively installed between the first arc-shaped buffer plate (6) and the second arc-shaped buffer plate (7) and the heat insulation inner shell (5), and the springs (8) are connected with the first arc-shaped buffer plate (6), the second arc-shaped buffer plate (7) and the heat insulation inner shell (5) through screws, the inboard of first arc buffer board (6) and second arc buffer board (7) all is provided with elastic cushion (9), and elastic cushion (9) all splices with first arc buffer board (6) and second arc buffer board (7) and is connected, thermal-insulated inner shell (5) are including galvanized steel sheet (11) and thermal insulation material (12), and galvanized steel sheet (11) are provided with two, and thermal insulation material (12) are located two between galvanized steel sheet (11).

2. The PDCPD-based engine heat shield of claim 1, wherein: go up heat exchanger (2) and heat exchanger (3) down around both ends all be provided with chimb (13), go up heat exchanger (2) and heat exchanger (3) down and be connected through locking bolt (14).

3. The PDCPD-based engine heat shield of claim 1, wherein: and reinforcing ribs (15) are arranged outside the upper heat shield (2) and the lower heat shield (3).

4. The PDCPD-based engine heat shield of claim 1, wherein: the upper end of the upper heat shield (2) and the lower end of the lower heat shield (3) are both provided with mounting holes (16).

5. The PDCPD-based engine heat shield of claim 1, wherein: both sides of the heat shield (1) are provided with through holes (10).

6. A PDCPD-based engine heat shield according to claim 3, wherein: the upper heat shield (2) and the lower heat shield (3) are connected with the reinforcing ribs (15) in a welding mode.