CN209483481U

CN209483481U - A kind of engine housing

Info

Publication number: CN209483481U
Application number: CN201920157818.2U
Authority: CN
Inventors: 夏功洪
Original assignee: Zhongzhou Transmission Technology (jiangxi) Co Ltd
Current assignee: Zhongzhou Transmission Technology (jiangxi) Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-10-11
Anticipated expiration: 2029-01-29

Abstract

A kind of engine housing, belongs to engine housing technical field, including engine housing ontology and several is fixed on the intrinsic soundproofing member of the engine housing；The engine body outer cover body includes shell, it is fixed on the liner in shell and for disposing engine pack, and several elongated dowels, the soundproofing member is formed by several acoustical tiles in being equally spaced, the acoustical tile includes the first soundproof plate that side is in V-shape, and side is in V-shape and the second soundproof plate corresponding with first soundproof plate, the wavy shaped configuration with multiple tilt angles is formed between first soundproof plate and the second soundproof plate, the noise of engine is lost largely before spreading out of shell, it offsets, reach internal noise reduction, the effect of extraneous sound insulation, to to the effective noise reduction of engine, reduce the noise that engine issues.

Description

A kind of engine housing

Technical field

The utility model relates to engine housing technical fields, more particularly, to a kind of engine housing.

Background technique

Internal combustion engine is a kind of dynamic power machine, it is and the heat released by making fuel in machine internal-combustion It can be converted directly into the Thermal Motor of power, be nowadays widely used in the sphere of life such as automobile, generator.Internal combustion engine exists Biggish noise can be generated when work, the engine roar for sometimes being used to generate electricity can generate serious noise to surrounding enviroment People's lives are caused to perplex by pollution.

Therefore, available engine has that noise is big, noise reduction capability is poor, needs to propose effective scheme to solve.

Utility model content

In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of engine housing, existing to solve There is present in technology the problem that noise is big, noise reduction capability is poor.

The solution of the utility model is to propose a kind of engine housing, including engine housing ontology, Yi Jiruo It is solid to schedule the intrinsic soundproofing member of the engine housing；

The engine housing ontology include shell, be fixed in shell and for dispose engine pack liner, with And several elongated dowels, the shell is interior to be equipped with accommodating cavity, and the dowel is distributed in described in equidistant interval It accommodates in cavity, one end of the dowel is fixedly connected with the accommodating cavity sidewalls, the other end of the dowel and institute The side wall contact fitting for stating liner forms sound insulation region between the dowel of the same accommodating cavity sidewalls, described Soundproofing member is fixed in the sound insulation region, and the soundproofing member is formed by several acoustical tiles in being equally spaced, the sound insulation Watt include side in V-shape the first soundproof plate and side be in V-shape and the second sound insulation corresponding with first soundproof plate One end of plate, first soundproof plate and second soundproof plate is fixedly connected with the side wall of a dowel respectively, institute The other end for stating the first soundproof plate and second soundproof plate is fixedly connected with the side wall of another dowel respectively, described The roof of first soundproof plate contacts fitting, two sides edge and the liner of first soundproof plate with the accommodating cavity sidewalls Side wall contact fitting, first soundproof plate be equipped with V-groove, the two sides of second soundproof plate respectively with the V-groove side Wall is fixedly connected, and the roof of second soundproof plate contacts fitting with the side wall of inner.

Optionally, the shell includes upper casing and the lower casing with the upper casing corresponding matching, four sides of the upper casing Face edge be equipped with first convex edge concordant with the upper casing inner bottom surface, the lower casing surrounding lateral edge equipped with in the lower casing Bottom surface it is concordant and with first convex edge is corresponding contact the second convex edge being bonded, first convex edge inner bottom surface is equipped with several for spiral shell The first through hole that bolt passes through, second convex edge inner bottom surface are equipped with the second through-hole corresponding with the first through hole.

Optionally, it is surrounded between the second soundproof plate inner sidewall and the V-groove and accommodates gap, in the accommodating gap Filled with silencing cotton.

Optionally, shell surrounding side is intervally distributed with several heat sinks in long strip, and the one of the heat sink Side wall is fixedly connected with shell surrounding side.

Optionally, the shell, the dowel and the heat sink are made of aluminum alloy material；Described first Soundproof plate and second soundproof plate are foam metal plate.

Optionally, several heat release holes that conducting is connect with the accommodating cavity are distributed in shell surrounding side.

The beneficial effects of the utility model are:

A kind of engine housing by the noise generated in engine dispersion, is disappeared by being fixed on the intracorporal soundproofing member of shell It removes, the acoustical tile for forming soundproofing member is formed by fixedly connecting by the first soundproof plate and the second soundproof plate of V-structure, the first sound insulation The wavy shaped configuration with multiple tilt angles is formed between plate and the second soundproof plate, supports noise when spreading out of outside engine It wears and tears and consumes major part, achieve the effect that internal noise reduction, extraneous sound insulation, to reduce engine hair to the effective noise reduction of engine Noise out.

Detailed description of the invention

It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be described in further detail, in which:

Fig. 1 is that the utility model provides a kind of positive structure diagram of engine housing；

Fig. 2 is that the utility model provides a kind of side structure schematic view of engine housing；

Fig. 3 is a kind of structural schematic diagram for another angle that the utility model provides engine housing；

Fig. 4 is that the utility model provides a kind of structural schematic diagram of acoustical tile described in engine housing.

In figure:

1, shell；101, cavity is accommodated；1021, the first convex edge；1022, the second convex edge；1031, first through hole；1032, Two through-holes；104, heat release hole；105, heat sink；2, dowel；201, sound insulation region；3, acoustical tile；301, the first soundproof plate； 302, the second soundproof plate；303, gap is accommodated；304, V-groove；1000, upper casing；2000, lower casing.

Specific embodiment

The technical solution of the utility model is further illustrated by specific embodiment with reference to the accompanying drawing.

As Figure 1-Figure 4, the utility model the following technical schemes are provided:

A kind of engine housing, including engine housing ontology and it is several be fixed on engine housing it is intrinsic every Sound component；

Engine housing ontology includes shell 1, is fixed in shell 1 and (figure is not for disposing the liner of engine pack Show) and several elongated dowels 2, shell 1 is interior to be equipped with accommodating cavity 101, and dowel 2 is distributed in equidistant interval It accommodates in cavity 101, one end of dowel 2 is fixedly connected with accommodating 101 side wall of cavity, the other end and the liner (figure of dowel 2 Do not show) side wall contact fitting, in it is same accommodating 101 side wall of cavity dowel 2 between formed sound insulation region 201, sound insulation group Part is fixed in sound insulation region 201, and soundproofing member is formed by several acoustical tiles 3 in being equally spaced, and acoustical tile 3 includes that side is in V First soundproof plate 301 of font and side are in V-shape and second soundproof plate 302 corresponding with the first soundproof plate 301, and first One end of soundproof plate 301 and the second soundproof plate 302 is fixedly connected with the side wall of a dowel 2 respectively, the first soundproof plate 301 with And second the other end of soundproof plate 302 be fixedly connected respectively with the side wall of another dowel 2, the roof of the first soundproof plate 301 with The contact fitting of 101 side wall of cavity is accommodated, the two sides edge of the first soundproof plate 301 contacts fitting with liner (not shown) side wall, the One soundproof plate 301 is equipped with V-groove 304, and the two sides of the second soundproof plate 302 are fixedly connected with 304 side wall of V-groove respectively, and second The roof of soundproof plate 302 contacts fitting with liner (not shown) side wall.

It is above to implement, specifically, the acoustical tile 3 of soundproofing member is formed by the first soundproof plate 301 and second of V-structure Soundproof plate 302 is formed by fixedly connecting, and at roof, that is, V-structure two sides intersection connection side of the first soundproof plate 301 and is accommodated Recess sidewall contact fitting, the two sides of the first soundproof plate 301 contact fitting, the first soundproof plate with liner (not shown) side wall 301 are equipped with V-groove 304, and the two sides of the second soundproof plate 302 are fixedly connected with 304 side wall of V-groove respectively, the second soundproof plate 302 Roof contact fitting with liner (not shown) side wall, such that shape between the first soundproof plate 301 and the second soundproof plate 302 At the wavy shaped configuration with multiple tilt angles, this wavy shaped configuration is lieed down in liner (not shown) side from side On wall, it is numerous practice have shown that, the wavy shaped configuration of surface irregularity can absorb the high frequency sound wave energy of injection, to sound wave rise To attenuation, during noise passes to soundproofing member, noise can be by these first soundproof plates 301 with tilt angle With 302 multiple reflections of the second soundproof plate, consumption, finally when spreading out of engine housing, noise can substantially be weakened, to reach Internal noise reduction, the effect of extraneous sound insulation；Dowel 2 then plays the role of supporting liner (not shown), makes liner (not shown) Being more uniformly stressed between shell 1, the inside of liner (not shown) are the place of engine pack work, engine pack Refer to composition engine and make the main component of engine operation, includes piston, cylinder body, cylinder sleeve etc., be mature existing skill Art；On the other hand, the sound insulation region 201 that fixed soundproofing member is naturally formed between dowel 2, makes the distribution of soundproofing member more Adduction is managed, effectively.More specifically, shell 1 is made with dowel 2 of aluminum alloy material, and therefore, shell 1 is producing and processing The production and processing of shell 1 by casting machine one-pass molding, can be conducive in the process, reduce production cost, having for aluminium alloy is strong The feature that degree is high, density is small is conducive to the overall weight for mitigating engine；First soundproof plate 301 and the second soundproof plate 302 It is foam metal plate, foam metal plate is made of foam metal, and foam metal is a kind of specialty metal containing foam stomata Material, by its unique design feature, foam metal possesses that density is small, heat-proof quality is good, sound insulation value is good and can inhale A series of good advantages such as electromagnetic wave are received, a kind of excellent acoustic material is suitable as, the small feature of density is conducive into one Step mitigates the overall weight of engine.

Optionally, shell 1 includes upper casing 1000 and the lower casing 2000 with 1000 corresponding matching of upper casing, upper casing 1000 Surrounding lateral edge be equipped with first convex edge 1021 concordant with 1000 inner bottom surface of upper casing, 2000 surrounding lateral edge of lower casing equipped with 2000 inner bottom surface of lower casing is concordant and the second convex edge 1022 for contacting fitting is corresponded to the first convex edge 1021, bottom in the first convex edge 1021 Face is equipped with several first through hole 1031 passed through for bolt, and 1022 inner bottom surface of the second convex edge is equipped with corresponding with first through hole 1031 Second through-hole 1032, by shell 1, laterally middle position is separated into upper casing 1000 and lower casing 2000, facilitates outside a kind of engine The assembling in production, the fixation of shell, advantageously reduce production cost, and upper casing 1000 and lower casing 2000 pass through the first convex edge 1021 After the contact fitting of the second convex edge 1022, it is fixed by screw bolt and nut, increases the reliability of shell 1.

Optionally, accommodating gap 303 is surrounded between 302 inner sidewall of the second soundproof plate and V-groove 304, is accommodated in gap 303 Filled with silencing cotton, silencing cotton is also referred to as acoustical cotton, a kind of by single or a variety of different fibers are process through kinds of processes Web-like or flaky material, have good noise reduction, sound insulation value, and accommodating gap 303 is substantially the air gap, is filled out by silencing cotton It fills and can be reduced internal air, be conducive to the sound insulation and noise reduction effect for further enhancing a kind of engine housing.

Optionally, 1 surrounding side of shell is intervally distributed with several heat sinks 105 in long strip, the side of heat sink 105 Wall is fixedly connected with 1 surrounding side of shell, and several heat dissipations that conducting is connect with accommodating cavity 101 are distributed in 1 surrounding side of shell Hole 104；Heat sink 105 can be seamlessly connected with shell 1, and in production, heat sink 105 is effectively reduced with by casting one-pass molding Cost, heat sink 105 and heat release hole 104 are conducive to improve the heat dissipation performance of engine, improve the service life of engine；Shell 1, dowel 2 and heat sink 105 are made of aluminum alloy material, and the first soundproof plate 301 and the second soundproof plate 302 are Foam metal plate, since engine can generate higher temperature in running, heat can be transmitted to group by liner (not shown) At on the first soundproof plate 301 and the second soundproof plate 302 of acoustical tile 3, therefore the first soundproof plate 301 and the second soundproof plate 302 must The good metal material of heat resistance, heat-conductive characteristic must be used, and throughout fine clearance in foam metal plate, for absorbing, Loss engine noise also has very great help, therefore foam metal plate is suitable for the embodiment of the utility model.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to In the range of the utility model protection.

Claims

1. a kind of engine housing, it is characterised in that:

Including engine housing ontology and several it is fixed on the intrinsic soundproofing member of the engine housing；

The engine housing ontology include shell (1), be fixed in shell (1) and for dispose engine pack liner, And several elongated dowels (2), interior be equipped with of the shell (1) accommodate cavity (101), and the dowel (2) is in etc. Away from being spaced apart in the accommodating cavity (101), one end of the dowel (2) and accommodating cavity (101) side wall are solid Fixed connection, the other end of the dowel (2) contacts fitting with the side wall of the liner, in the same accommodating cavity (101) Sound insulation region (201) are formed between the dowel (2) of side wall, the soundproofing member is fixed on the sound insulation region (201) Interior, the soundproofing member is formed by several acoustical tiles (3) in being equally spaced, and the acoustical tile (3) includes side in the of V-shape One soundproof plate (301) and side are in V-shape and the second soundproof plate (302) corresponding with the first soundproof plate (301), institute Side wall of the one end of the first soundproof plate (301) and second soundproof plate (302) respectively with a dowel (2) is stated to fix Connection, the other end of first soundproof plate (301) and second soundproof plate (302) respectively with another dowel (2) side wall is fixedly connected, and the roof of first soundproof plate (301) contacts fitting, institute with accommodating cavity (101) side wall The two sides for stating the first soundproof plate (301) are equipped with V-type along fitting, first soundproof plate (301) is contacted with the side wall of inner Slot (304), the two sides of second soundproof plate (302) are fixedly connected with the V-groove (304) side wall respectively, and described second The roof of soundproof plate (302) contacts fitting with the side wall of inner.

2. a kind of engine housing as described in claim 1, it is characterised in that:

The shell (1) includes upper casing (1000) and the lower casing (2000) with the upper casing (1000) corresponding matching, it is described on The surrounding lateral edge of shell (1000) is equipped with first convex edge (1021) concordant with the upper casing (1000) inner bottom surface, the lower casing (2000) surrounding lateral edge is equipped with concordant with the lower casing (2000) inner bottom surface and corresponding with the first convex edge (1021) connects The second convex edge (1022) of fitting is touched, the first convex edge (1021) inner bottom surface is equipped with several first through hole passed through for bolt (1031), the second convex edge (1022) inner bottom surface is equipped with the second through-hole (1032) corresponding with the first through hole (1031).

3. a kind of engine housing as described in claim 1, it is characterised in that:

Accommodating gap (303) is surrounded between second soundproof plate (302) inner sidewall and the V-groove (304), between the accommodating Silencing cotton is filled in gap (303).

4. a kind of engine housing as described in claim 1, it is characterised in that:

Shell (1) the surrounding side is intervally distributed with several heat sinks in long strip (105), the heat sink (105) One side wall is fixedly connected with the shell (1) surrounding side.

5. a kind of engine housing as claimed in claim 4, it is characterised in that:

The shell (1), the dowel (2) and the heat sink (105) are made of aluminum alloy material；Described first Soundproof plate (301) and second soundproof plate (302) are foam metal plate.

6. a kind of engine housing as described in claim 1, it is characterised in that:

Several heat release holes (104) that conducting is connect with accommodating cavity (101) are distributed in shell (1) the surrounding side.