CN208281027U - A kind of engine exhaust system heat-proof device - Google Patents

Abstract

The utility model discloses a kind of engine exhaust system heat-proof devices, its structure includes exhaust tube body, silencer, aluminum heat insulation device, high temperature resistant heat insulation cotton, tail gas filter and glass acoustical cotton, the left part of the exhaust tube body is welded with silencer, glass acoustical cotton is distributed in the one week bonding in inside of the silencer, the inside right part of the silencer is equipped with tail gas filter, aluminum heat insulation device is socketed on the outside of the exhaust tube body, the inside between the aluminum heat insulation device and exhaust tube body is filled with high temperature resistant heat insulation cotton；The tail gas filter is made of low efficient filter screen, high efficiency particulate air, secondary filter net and metal filter screen.The engine exhaust system heat-proof device, material corrosion resistance performance is strong, and durable, good heat-insulation effect, thermal coefficient is low, sound insulation damping, good heat dissipation effect, so that efficiently the exhaust gas by inside discharge filters, further enhances the effect of noise reduction, easy to use.

Description

A kind of engine exhaust system heat-proof device

Technical field

The utility model relates to automobile exhaust equipment technical field, the heat-insulated dress of specially a kind of engine exhaust system It sets.

Background technique

Exhaust pipe is a part of engine exhaust system, and exhaust system mainly includes exhaust manifold, exhaust pipe and noise reduction Three school catalyst converters of device, generally control engine pollutant emission are also mounted in exhaust system, before exhaust pipe generally comprises Exhaust pipe and heel row tracheae.Automobile exhaust system is mainly the exhaust gas for discharging engine operation and being discharged, while making the useless of discharge Gas pollution reduces, and noise reduces.Automobile exhaust system is mainly used for Light-duty Vehicle, minicar and car, the motor vehicles such as motorcycle. The system that automobile exhaust system refers to collection and discharges exhaust gas, generally by exhaust manifold, exhaust pipe, catalyst, exhaust The composition such as temperature sensor, automotive muffler and tailpipe.

Existing engine exhaust system cannot be thermally shielded, and it is hot to may result in exhaust system, be made so as to shorten it It with the service life, is not durable, temperature is excessively high to may cause phenomena such as catching fire, and soundproof effect is poor, cannot be by internal carbon distribution etc. Impurity efficiently filters, inconvenient to use, and material is poor, it is difficult to meet the heat-insulated demand of existing engine exhaust system.

Utility model content

The purpose of this utility model is to provide a kind of engine exhaust system heat-proof devices, solve in background technique The problem of proposed.

To achieve the above object, the utility model provides the following technical solutions: a kind of heat-insulated dress of engine exhaust system It sets, structure includes exhaust tube body, silencer, aluminum heat insulation device, high temperature resistant heat insulation cotton, tail gas filter and glass Acoustical cotton, the left part of the exhaust tube body are welded with silencer, and glass suction is distributed in the one week bonding in inside of the silencer Sound cotton, the inside right part of the silencer are equipped with tail gas filter, be socketed on the outside of the exhaust tube body aluminium alloy every Thermal, the inside between the aluminum heat insulation device and exhaust tube body are filled with high temperature resistant heat insulation cotton；The tail gas mistake Filter device be made of low efficient filter screen, high efficiency particulate air, secondary filter net and metal filter screen, the tail gas filter it is interior Low efficient filter screen is equipped on the left of portion, the right part of the low efficient filter screen is equipped with high efficiency particulate air, the right part of the high efficiency particulate air Equipped with secondary filter net, the right part of the secondary filter net is equipped with metal filter screen.

As a kind of preferred embodiment of the utility model, fixation is welded on the outside of the aluminum heat insulation device Ring is welded with second support bar at the top of the fixed ring, can efficiently fix aluminum heat insulation device by fixed ring, make it It is more stable.

As a kind of preferred embodiment of the utility model, the top of the second support bar is equipped with fixed device, institute Threaded hole is distributed in the corner for stating fixed device, is easily installed by threaded hole and is fixed on bottom of car.

As a kind of preferred embodiment of the utility model, the first support is distributed in the top welding of the silencer The top of bar, the first support bar is equipped with connection sheet, can pass through two first support bars and connection sheet, can stablize silencer Be mounted on automobile chassis.

As a kind of preferred embodiment of the utility model, partition is distributed in the inside of the tail gas filter, and Partition is located among strainer, and the partition of setting can separate each filter screen, so that filter effect is more preferable.

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

1. the engine exhaust system heat-proof device is filled by the external aluminum heat insulation being arranged in exhaust tube body It sets, material corrosion resistance performance is strong, durable, good heat-insulation effect, and the high temperature resistant heat insulation cotton by being filled with, fire-retardant High temperature resistant, thermal coefficient is low, sound insulation damping, good heat dissipation effect, long service life.

2. the engine exhaust system heat-proof device is filled by the tail gas filtering of the inside right part setting in silencer It sets, uses multiple filtration net inside it, so that efficiently the exhaust gas by inside discharge filters, pollution is reduced, by carbon distribution mistake Filter, energy conservation and environmental protection, and by the glass acoustical cotton in inside setting, it can further enhance the effect of noise reduction, user Just, it is easy to accomplish.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is a kind of overall structure figure of engine exhaust system heat-proof device of the utility model；

Fig. 2 is a kind of tail gas filter structure chart of engine exhaust system heat-proof device of the utility model；

Fig. 3 is a kind of side portion structure figure of engine exhaust system heat-proof device of the utility model.

In figure: exhaust tube body -1, silencer -2, aluminum heat insulation device -3, high temperature resistant heat insulation cotton -4, tail gas filtering dress Set -5, glass acoustical cotton -6, fixed device -7, connection sheet -8, first support bar -9, second support bar -10, fixed ring -11, thick Imitate filter screen -12, high efficiency particulate air -13, secondary filter net -14, metal filter screen -15.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of engine exhaust system heat-proof device, Its structure includes exhaust tube body 1, silencer 2, aluminum heat insulation device 3, high temperature resistant heat insulation cotton 4, tail gas filter 5 and glass Fine acoustical cotton 6, the left part of the exhaust tube body 1 are welded with silencer 2, and the one week bonding in inside of the silencer 2 is distributed with Glass acoustical cotton 6, the inside right part of the silencer 2 are equipped with tail gas filter 5, the outside socket of the exhaust tube body 1 There is aluminum heat insulation device 3, the inside between the aluminum heat insulation device 3 and exhaust tube body 1 is filled with high temperature resistant heat insulation Cotton 4；The tail gas filter 5 is by low efficient filter screen 12, high efficiency particulate air 13, secondary filter net 14 and 15 groups of metal filter screen At the inside left of the tail gas filter 5 is equipped with low efficient filter screen 12, and the right part of the low efficient filter screen 12 is equipped with efficient Filter screen 13, the right part of the high efficiency particulate air 13 are equipped with secondary filter net 14, and the right part of the secondary filter net 14 is equipped with gold Belong to filter screen 15.

Referring to Fig. 1, the outside of the aluminum heat insulation device 3 is welded with fixed ring 11, the top of the fixed ring 11 It is welded with second support bar 10, can be efficiently fixed by aluminum heat insulation device 3 by fixed ring 11, keep it more stable.

Referring to Fig. 1, the top of the second support bar 10 is equipped with fixed device 7, the turning punishment of the fixed device 7 It is furnished with threaded hole, is easily installed by threaded hole and is fixed on bottom of car.

Referring to Fig. 1, first support bar 9, the top of the first support bar 9 is distributed in the top welding of the silencer 2 Portion be equipped with connection sheet 8, can pass through two first support bars 9 and connection sheet 8, can by silencer 2 it is stable be mounted on automobile Chassis.

Referring to Fig. 2, partition is distributed in the inside of the tail gas filter 5, and partition is located among strainer, setting Partition can separate each filter screen, so that filter effect is more preferable.

A kind of engine exhaust system heat-proof device described in the utility model, high temperature resistant heat insulation cotton 4 broadly can The cotton class product for playing heat insulation is all referred to as high temperature resistant heat insulation cotton 4, and high temperature resistant heat insulation cotton 4 has high temperature resistant, nonflammable, The features such as thermal coefficient is low, is now widely used in engine exhaust system, and high temperature resistant heat insulation cotton 4 all uses glass fibre for material It processes, such as glass fiber cotton, mineral wool.Such product is processed again, can make its purposes with clad aluminum foil, glass-fiber-fabric It is more extensive.6 forming of glass acoustical cotton, bulk density is small, and thermal conductivity Go-to-and-fro, sound absorption qualities are good, and corrosion-resistant, chemical property is steady It is fixed.It is that melten glass fibrosis is formed into the material of cotton like, chemical component category category of glass is a kind of inorganic fibre, by folded It sets thermo-compression bonding to form, it can make sound form reflux in its cavity by the special high density tissue of fiber, effectively Realize absorbing sound and lowering noise function.The indoor reverberation time is effectively controlled and adjusted, noise is reduced, improves sound quality, suitable for various Place can be reduced the influence of outer bound pair room temperature, thus the effectively save energy.

The exhaust tube body 1 of the utility model, silencer 2, aluminum heat insulation device 3, high temperature resistant heat insulation cotton 4, tail gas mistake Filter device 5, glass acoustical cotton 6, fixed device 7, connection sheet 8, first support bar 9, second support bar 10, fixed ring 11, thick effect Filter screen 12, high efficiency particulate air 13, secondary filter net 14, metal filter screen 15, component are universal standard part or this field skill The component that art personnel know, structure and principle are all that this technology personnel can learn by technical manual or pass through routine experiment Method knows the utility model solves the problems, such as it is that existing engine exhaust system cannot be thermally shielded, the row of may result in Gas system is hot, so as to shorten its service life, is not durable, and temperature is excessively high to may cause phenomena such as catching fire, and soundproof effect It is poor, the impurity such as internal carbon distribution cannot efficiently be filtered, inconvenient to use, material is poor, it is difficult to meet existing start The problems such as heat-insulated demand of machine exhaust system, the utility model are combined with each other by above-mentioned component, by exhaust tube body The external aluminum heat insulation device being arranged, material corrosion resistance performance is strong, durable, good heat-insulation effect, and including passing through The high temperature resistant heat insulation cotton of portion's filling, flame-resistant high-temperature-resistant, thermal coefficient is low, sound insulation damping, good heat dissipation effect, long service life.It is logical The tail gas filter in the inside right part setting of silencer is crossed, uses multiple filtration net inside it, so that efficiently will The exhaust gas filtering of inside discharge, reduces pollution, carbon distribution is filtered, energy conservation and environmental protection, and pass through the glass sound-absorbing in inside setting Cotton can further enhance the effect of noise reduction, easy to use, it is easy to accomplish.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of engine exhaust system heat-proof device, structure include exhaust tube body (1), silencer (2), aluminium alloy every Thermal (3), high temperature resistant heat insulation cotton (4), tail gas filter (5) and glass acoustical cotton (6), it is characterised in that: the exhaust The left part of tube body (1) is welded with silencer (2), and glass acoustical cotton is distributed in the one week bonding in inside of the silencer (2) (6), the inside right part of the silencer (2) is equipped with tail gas filter (5), is socketed on the outside of the exhaust tube body (1) Aluminum heat insulation device (3), the inside between the aluminum heat insulation device (3) and exhaust tube body (1) are filled with high temperature resistant Heat insulation foam (4)；

The tail gas filter (5) is by low efficient filter screen (12), high efficiency particulate air (13), secondary filter net (14) and metal mistake The inside left of strainer (15) composition, the tail gas filter (5) is equipped with low efficient filter screen (12), the low efficient filter screen (12) right part is equipped with high efficiency particulate air (13), and the right part of the high efficiency particulate air (13) is equipped with secondary filter net (14), described The right part of secondary filter net (14) is equipped with metal filter screen (15).

2. a kind of engine exhaust system heat-proof device according to claim 1, it is characterised in that: the aluminium alloy every It is welded on the outside of thermal (3) fixed ring (11), is welded with second support bar (10) at the top of the fixed ring (11).

3. a kind of engine exhaust system heat-proof device according to claim 2, it is characterised in that: second support The top of bar (10) is equipped with fixed device (7), and threaded hole is distributed in the corner of the fixed device (7).

4. a kind of engine exhaust system heat-proof device according to claim 1, it is characterised in that: the silencer (2) top welding is distributed with first support bar (9), and the top of the first support bar (9) is equipped with connection sheet (8).

5. a kind of engine exhaust system heat-proof device according to claim 1, it is characterised in that: the tail gas filtering Partition is distributed in the inside of device (5), and partition is located among strainer.