CN203752890U - Thermal insulation structure of exhaust part - Google Patents
Thermal insulation structure of exhaust part Download PDFInfo
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- CN203752890U CN203752890U CN201420104789.0U CN201420104789U CN203752890U CN 203752890 U CN203752890 U CN 203752890U CN 201420104789 U CN201420104789 U CN 201420104789U CN 203752890 U CN203752890 U CN 203752890U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a thermal insulation structure of an exhaust part, wherein the thermal insulation structure can prevent a part arranged on the periphery of a catalytic converter from being affected by heat and can improve cooling performance of a radiator. The radiator (2) is arranged on the portion, in front of an engine compartment (1), of a vehicle. A transmission (4) is arranged behind the engine compartment (1). An engine (5) is connected to the portion, in the width direction of the vehicle, of the transmission (4). The catalytic converter (15) is arranged on the lower side of an exhaust manifold (13) in front of the engine (5) of the vehicle. A thermal insulation cover (17) covers the catalytic converter (15). A long-strip-shaped assembly portion (18) is arranged at the end, in the width direction of the vehicle, of the thermal insulation cover (17) in the vertical direction of the vehicle. A cover portion (20) which passes through the portion, in front of the catalytic converter (15), of the vehicle from the assembly portion (18) to one of the vehicle width direction of the side opposite to the other end of the vehicle width direction is formed on the thermal insulation cover (17).
Description
Technical field
The utility model relates to the heat insulation structural of exhaust component, is suitable for blocking the heat of the exhaust components such as the catalyst being for example connected with driving engine.
Background technology
As the heat insulation structural of such exhaust component, there is the structure of recording in the structure for example recorded in following patent documentation 1, following patent documentation 2.Wherein, in following patent documentation 1, record for catalysing area being carried out heat insulation lid main body is assemblied in to the structure of the vehicle front side of catalysing area.In addition, in following patent documentation 2, record following structure: alignment arrangements driving engine and change-speed box on vehicle-width direction, and at the vehicle front side configuration radiator fan of change-speed box, in the front face assembling catalyst tank of driving engine, the Exhaust Manifold Cover of covering catalyst tank is set in the vehicle front side of catalyst tank.
prior art document
patent documentation
Patent documentation 1: JP 2005-233039 communique
Patent documentation 2: JP 2010-65552 communique
Utility model content
the problem that utility model will solve
Consider that the vehicle that the heat insulation structural of the exhaust component of recording in above-mentioned patent documentation 1 is applied to as recorded in above-mentioned patent documentation 2 forms, i.e. alignment arrangements driving engine and change-speed box on vehicle-width direction, the situation by heat sink arrangements at the vehicle front of change-speed box.In this case, by be assemblied in radiator rear view of vehicle fan housting travel wind after arriving before the vehicle of change-speed box, along flow direction engine side before the vehicle of change-speed box, flow between catalysing area (catalyst) and driving engine front face.Therefore, the surface of contact catalysis conv and the heated distinguished and admirable subsidiary engine of periphery to being configured in catalyst that travels, subsidiary engine is likely because heat is heated.In addition, flow between catalyst and driving engine front face and the vehicle front side of the heated wind direction radiator that travels flows backwards, what this warmed travel wind inflow radiator, likely reduces the cooling performance of radiator.In addition, in the heat insulation structural of exhaust component of recording in citing document 2 too, travel wind after arriving before the vehicle of change-speed box by radiator fan, start pusher side along flowing to before the vehicle of change-speed box, and then flow to the surface of the direct contact catalyst tank of the wind that travels between catalyst tank and driving engine front face.Therefore, the heat of catalyst tank is likely traveling wind diffusion, and the hot subsidiary engine that is easy to be transported to by the wind that travels of the heat heating by catalyst tank the periphery that is configured in catalyst tank, and subsidiary engine is easy to be subject to hot impact.
The utility model is conceived to problem points as described above and makes, and its object is to provide the parts that can protect the periphery that is configured in catalyst, makes its impact of not being heated and can improve the heat insulation structural of the exhaust component of the cooling performance of radiator.
for the scheme of dealing with problems
In order to address the above problem, the embodiment of utility model is a kind of heat insulation structural of exhaust component, the exhaust component being connected is carried out heat insulation with driving engine, it is characterized in that having: radiator, and it is configured in the front part of vehicle of engine room; Fan housting, it is assemblied in the vehicle rear-side face of above-mentioned radiator; Change-speed box, it is arranged on the rear view of vehicle of above-mentioned radiator in above-mentioned engine room; Above-mentioned driving engine, it connects with a side of the vehicle-width direction of above-mentioned change-speed box; Dontake pipe, it is assemblied in the vehicle front of above-mentioned driving engine; Catalyst, it is configured in the under-vehicle side of above-mentioned dontake pipe; Insulation cover, it is configured to cover above-mentioned catalyst; Flange part, it is formed on vehicle-width direction one end of above-mentioned driving engine, forms the face of joint with respect to above-mentioned change-speed box; Department of assembly, it is formed on vehicle-width direction one end of above-mentioned insulation cover, for above-mentioned insulation cover being assembled to the vehicle front face of above-mentioned flange part, is strip along the shape of the vehicle front face of above-mentioned flange part at vehicle above-below direction; And cap, it is formed at above-mentioned insulation cover, make its from above-mentioned department of assembly the front part of vehicle through above-mentioned catalyst, and reach vehicle-width direction the other end of a side contrary with above-mentioned vehicle-width direction one end.
In addition, the subsidiary engine of the crank-driven by above-mentioned driving engine is configured in to vehicle-width direction one side of above-mentioned catalyst, above-mentioned vehicle-width direction the other end of above-mentioned cap is extended for dividing the space that disposes above-mentioned subsidiary engine and the space that disposes above-mentioned catalyst between above-mentioned subsidiary engine and above-mentioned catalyst, make the vehicle-width direction end of above-mentioned cap more side-prominent to the vehicle front face of above-mentioned driving engine than above-mentioned subsidiary engine.
In addition, being the length being more than or equal to from the vehicle front side bottom of the cylinder block of above-mentioned driving engine to vehicle front side upper end by the length setting of the vehicle above-below direction of above-mentioned department of assembly, is the length being more than or equal to from the vehicle front side bottom of above-mentioned cylinder block to vehicle front side upper end by the length setting of the vehicle above-below direction of at least vehicle front from above-mentioned department of assembly to above-mentioned catalyst in above-mentioned cap.
In addition, above-mentioned vehicle-width direction the other end of above-mentioned cap is connected to the housing body of above-mentioned catalyst by support.
In addition, above-mentioned vehicle-width direction the other end of above-mentioned cap is connected to the vehicle front side portion of above-mentioned cylinder block.
utility model effect
Like this, according to the embodiment of utility model, the front part of vehicle by heat sink arrangements at engine room, is assemblied in fan housting in the vehicle rear-side face of radiator.In addition, change-speed box is arranged on to the rear view of vehicle of radiator in engine room, driving engine is connected to a side of the vehicle-width direction of change-speed box, in vehicle-width direction one end of this driving engine, form the flange part forming with respect to the face of joint of change-speed box.In addition, at the vehicle front assembling dontake pipe of driving engine, at the under-vehicle side configuration catalyst of dontake pipe, configure insulation cover in the mode that covers this catalyst.In vehicle-width direction one end of this insulation cover, for insulation cover being assembled to the vehicle front face of flange part, form rectangular department of assembly along the shape of the vehicle front face of flange part at vehicle above-below direction.And, will be formed at insulation cover from this department of assembly through the front part of vehicle of catalyst the cap that reaches vehicle-width direction the other end of a side contrary with vehicle-width direction one end.By the wind that travels radiator, that utilize fan housting to flow to rear view of vehicle arrive change-speed box before, and along the surperficial flow direction engine side of change-speed box.But, be equipped with the department of assembly of insulation cover at the vehicle front face of flange part that is formed at driving engine, be provided with cap from the vehicle front side of this process catalyst to vehicle-width direction the other end side.Therefore, can prevent from the surface of the wind contact catalysis conv that travels of transmission side flow direction engine side, and can prevent travelling of flow direction engine side distinguished and admirable enter before catalyst and driving engine between.The heat that therefore, can prevent catalyst is traveling wind diffusion.In addition, the catalyzed transducer heat of the wind that travels between preventing from flowing to before catalyst and driving engine.Thus, can protect parts, the subsidiary engine of the periphery that is configured in catalyst, the impact that it is not heated.In addition, because between the wind that travels do not flow to before catalyst and driving engine, so can prevent that the vehicle front side of the wind direction radiator that travels of catalyzed transducer heat from flowing backwards.Therefore, the wind inflow radiator that travels that warms can be prevented, the cooling performance of radiator can be improved.In addition, can prevent from arriving the wind flow direction engine side of travelling of change-speed box, therefore successfully flow to rear view of vehicle from radiator by the running wind of fan housting, can improve the cooling performance of radiator.
In addition, the subsidiary engine of the crank-driven by driving engine is configured in to vehicle-width direction one side of catalyst.And, vehicle-width direction the other end of cap is extended for dividing the space that disposes subsidiary engine and the space that disposes catalyst between subsidiary engine and catalyst, make the vehicle-width direction end of cap more side-prominent to the vehicle front face of driving engine than subsidiary engine.Thus, utilize the cap of insulation cover that catalyst and subsidiary engine are demarcated, can prevent that heat from passing to subsidiary engine from catalyst.Consequently, can protect the subsidiary engine of the periphery that is configured in catalyst, the impact that it is not heated.
In addition, by the length setting of the vehicle above-below direction of department of assembly be the length being more than or equal to from the vehicle front side bottom of cylinder block to vehicle front side upper end.In addition, by the length setting of the vehicle above-below direction of at least vehicle front from department of assembly to catalyst in cap be the length being more than or equal to from the vehicle front side bottom of cylinder block to vehicle front side upper end.Therefore, the wind that travels that can prevent the fan housting by radiator arrive change-speed box above and flow direction engine side, and can utilize the department of assembly of insulation cover and cap prevent from travelling distinguished and admirable enter before catalyst and driving engine between.Thus, the wind that can prevent from travelling passes from the rear view of vehicle side of catalyst, and the catalyzed transducer heat of wind that can prevent from travelling.Therefore, the hot diffusion of catalyst can be prevented, and the subsidiary engine of the periphery that is configured in catalyst, the impact that it is not heated can be protected.In addition, because between the wind that travels do not flow to before catalyst and driving engine, so can prevent that the vehicle front side of the wind direction radiator that travels of catalyzed transducer heat from flowing backwards.Therefore, the wind inflow radiator that travels that warms can be prevented, the cooling performance of radiator can be improved.
In addition, by vehicle-width direction the other end of cap is connected to the housing body of catalyst by support, can guarantee to make the gap of the surface of catalyst and the cap of insulation cover to fix.Thus, can prevent insulation cover with catalyst because Vehicular vibration contacts, can between insulation cover and catalyst, keep fixing air layer.Consequently, can utilize the air layer between insulation cover to make the heat of catalyst be difficult to be leaked in engine room, can protect the subsidiary engine of the periphery that is configured in catalyst, the impact that it is not heated.
In addition, by above-mentioned vehicle-width direction the other end of above-mentioned cap being connected to the vehicle front side portion of above-mentioned cylinder block, catalyst and subsidiary engine can be demarcated, can prevent that heat from passing to subsidiary engine from catalyst.Consequently, can protect the subsidiary engine of the periphery that is configured in catalyst, the impact that it is not heated.
Brief description of the drawings
Fig. 1 is the birds-eye view that the front part of vehicle of an example of the vehicle of the heat insulation structural of application exhaust component of the present utility model is shown.
Fig. 2 is the lateral plan of the front part of vehicle of Fig. 1.
Fig. 3 is the block diagram that the driving engine of the 1st embodiment of the heat insulation structural of exhaust component of the present utility model is shown.
Fig. 4 is the front view of the driving engine of Fig. 3.
Fig. 5 is the X-X section drawing of Fig. 4.
Fig. 6 is the instruction diagram of wind-fall stream of travelling.
Fig. 7 is the X-X section drawing that the variation of the heat insulation structural of the exhaust component of the driving engine of Fig. 4 is shown.
Fig. 8 is the X-X section drawing that another variation of the heat insulation structural of the exhaust component of the driving engine of Fig. 4 is shown.
Fig. 9 is the block diagram that the driving engine of the 2nd embodiment of the heat insulation structural of exhaust component of the present utility model is shown.
Figure 10 is the front view of the driving engine of Fig. 9.
Detailed description of the invention
The 1st embodiment of the heat insulation structural of exhaust component of the present utility model is described with reference to the accompanying drawings.Fig. 1 is the birds-eye view that an example of the front part of vehicle of the heat insulation structural of the exhaust component of application present embodiment is shown, Fig. 2 is the lateral plan of the front part of vehicle of Fig. 1.The vehicle of present embodiment has engine room 1 at front part of vehicle, at the front part of vehicle equipped with radiator 2 of engine room 1.Vehicle rear-side face at this radiator 2 is equipped with fan housting 3.Fan housting 3 originally meaned the deflector shield of the movement-oriented radiator 2 of the air being produced by radiator fan, but also had the function of the wind rectification of travelling by radiator 2.
Dispose change-speed box 4 at the rear view of vehicle of this radiator 2.In addition, on the vehicle right side of this change-speed box 4, vehicle-width direction one side is connected with driving engine 5.Fig. 3 is mounted in the block diagram of the driving engine 5 of the present embodiment of the front part of vehicle of Fig. 1, and Fig. 4 is the front view of the driving engine 5 of Fig. 3.In the driving engine 5 of present embodiment, be equipped with cylinder head 7 in the upper surface of cylinder block 6, be equipped with cylinder-cover jacket 8 in the upper surface of cylinder head 7.In addition, be formed with the crankcase of storage bent axle 10 in the bottom of cylinder block 6, have oil pan tray 9 in the fit beneath of this crankcase.
At cylinder head 7 and face of joint cylinder block 6, be formed with 3 not shown in the present embodiment combustion chambers along bank of cylinder.Therefore, the axis of bent axle 10 and the orientation of combustion chamber, bank of cylinder is parallel, the in the situation that of present embodiment, consistent with vehicle-width direction or parallel.In addition, driving engine 5 is installed on vehicle with various directions, is generally that cylinder head 7 is installed on cylinder block 6 tops, therefore this direction is defined as to driving engine top, and opposite sense is defined as to driving engine below.
Change-speed box 4 side ends of the cylinder block 6 in driving engine 5, i.e. vehicle-width direction one end, is formed with the flange part 11 forming with the face of joint of this change-speed box 4.This flange part 11 is generally to engage and formed by the cylinder portion expansion of cylinder block 6 for the housing expansion section with the change-speed box 4 that is called bell housing etc.Housing expansion section by the end joined of this flange part 11 to change-speed box 4, thus driving engine 5 and change-speed box 4 connected.In addition, as previously mentioned, in the time that a side that is connected to change-speed box 4 of driving engine 5 is made as to vehicle-width direction one side, the end that is formed with flange part 11 also can be called the end of vehicle-width direction the opposing party side of driving engine 5, is still simply called vehicle-width direction one end of driving engine 5 at this.
The rear view of vehicle side of the cylinder head 7 in driving engine 5, is equipped with the induction maniflod 12 for air is provided to combustion chamber.On the other hand, in the vehicle front side of cylinder head 7, be equipped with the dontake pipe 13 of set from the exhaust of combustion chamber.Be connected with freeing pipe 14 in the under-vehicle of this dontake pipe 13, but in the insertion midway of this freeing pipe 14, catalyst 15 be installed.That is, the catalyst 15 of present embodiment is configured in the vehicle front of driving engine 5 and the under-vehicle at dontake pipe 13, in a word, is generally configured in the vehicle front of cylinder block 6.In addition, in the present embodiment, on the vehicle right side of catalyst 15, i.e. vehicle-width direction one side, disposes air-conditioning compressor 16 as the subsidiary engine being driven by bent axle 10.
Be accommodated with the catalyst purifying from the exhaust of combustion chamber in the inside of catalyst 15.If not being elevated to, this catalyst temperature to a certain degree just can not bring into play exhaust emission control function.Therefore, in the present embodiment, catalyst 15 is configured in to the positive downstream of dontake pipe 13.On the other hand, air-conditioning compressor 16 classes such as subsidiary engine such as grade are preferably used in predefined temperature, should avoid excessive temperature rise.Therefore, in the present embodiment, cover the periphery of catalyst 15 with insulation cover 17, heat insulation to realize.
Fig. 5 is the X-X section drawing of Fig. 4, particularly represents preferably the cross-sectional plane of insulation cover 17.From same figure, the insulation cover 17 of present embodiment is assemblied in the vehicle front face of the flange part 11 of the vehicle-width direction that is formed at cylinder block 6 one end in driving engine 5.Therefore, be formed with department of assembly 18 in vehicle-width direction one end (end of=vehicle-width direction the opposing party side) of insulation cover 17.This department of assembly 18 is formed as rectangular in the mode of the vehicle front face along flange part 11 on vehicle above-below direction.Therefore,, when this department of assembly 18 being attached to the vehicle front face of flange part 11, while utilizing the fasteners such as bolt 19 that this department of assembly 18 is fixed to the vehicle front face of flange part 11, department of assembly 18 clings to the vehicle front face of flange part 11.And, on insulation cover 17, be formed with the cap 20 that passes through the vehicle front of catalysts 15 from above-mentioned department of assembly 18 and reach vehicle-width direction the other end (end of=vehicle-width direction one side's side) of this catalyst 15.
The part of the vehicle front side of the covering catalyst 15 of this cap 20 is and the corresponding semicircular cylinder shape of housing of this catalyst 15, above-mentioned vehicle-width direction the other end side from this towards driving engine 5(cylinder block 6) outstanding with tabular., extend for dividing the configuration space of air-conditioning compressor 16 and the configuration space of catalyst 15 as subsidiary engine between air-conditioning compressor 16 and catalyst 15 vehicle-width direction the other end of cap 20.And in the present embodiment, vehicle-width direction the other end side of this cap 20 is more side-prominent to driving engine than air-conditioning compressor 16.In addition, in the present embodiment, vehicle-width direction the other end side of cap 20 is not supported, is so-called free end state.
Utilize the department of assembly 18 of this insulation cover 17 and change-speed box 4 sides that cap 20 is divided the catalyst 15 in the front of driving engine 5, i.e. the opposing party's side of vehicle-width direction.Therefore, for example, as shown in the hollow arrow in Fig. 5, arrive change-speed box 4 from radiator 2 by the wind that travels of fan housting 3.Arrive the wind that travels of change-speed box 4 along flow direction engine 5 sides before the vehicle of change-speed box 4.But the vehicle front portion of driving engine 5 is divided into change-speed box 4 sides by department of assembly 18 and the cap 20 of insulation cover 17, the wind that therefore travels in fact does not flow through or flows through hardly the vehicle front face side of driving engine 5.Certainly, travel wind do not flow through or flow through hardly catalyst 15 and driving engine 5 above between.Therefore, the heat of catalyst 15 can or hardly can be by travelling wind diffusion, the surface heating that the wind that travels can or hardly can catalyzed conv 15.In addition, flow through catalyst 15 and driving engine 5 above between and the wind that travels that heats of catalyzed conv 15 can or can not flow backwards to the vehicle front side of radiator 2 hardly as described later.
The refluence of the vehicle front side of the schematically illustrated wind direction radiator 2 that travels of Fig. 6.In this instruction diagram, only have the vehicle front side of catalyst 15 to be covered by insulation cover 17, between the vehicle front portion of cylinder block 6 and change-speed box 4, be not divided out.In this case, flow to driving engine 5 sides after arriving before the vehicle of change-speed box 4, the wind that travels between flowing into before the vehicle of catalyst 15 and driving engine 5 blows back again the vehicle front side of radiator 2.Blowing back of this wind that travels is called to refluence, but the catalyzed conv 15 of the wind that travels of this refluence heats.Travel wind during by radiator 2 when the refluence of high temperature of heating, the cooling performance of radiator 2 reduces.In addition, the mobile thermal diffusion that makes catalyst 15 of such wind that travels, as the heated wind heating of travelling of air-conditioning compressor 16 of subsidiary engine.
Like this in the heat insulation structural of the exhaust component of present embodiment, at the front part of vehicle configuration radiator 2 of engine room 1, at the vehicle rear-side face assembling fan housting 3 of radiator 2.In addition, at the interior rear view of vehicle that change-speed box 4 is arranged on to radiator 2 of engine room 1, driving engine 5 is connected to a side of the vehicle-width direction of change-speed box 4, in vehicle-width direction one end of this driving engine 5, forms the flange part 11 forming with respect to the face of joint of change-speed box 4.In addition, at the vehicle front assembling dontake pipe 13 of driving engine 5, at the under-vehicle side configuration catalyst 15 of dontake pipe 13, configure insulation cover 17 to cover the mode of this catalyst 15.In vehicle-width direction one end of this insulation cover 17, for insulation cover 17 being assemblied in to the vehicle front face of flange part 11, form rectangular department of assembly 18 along the shape of the vehicle front face of flange part 11 at vehicle above-below direction.And, will be formed at insulation cover 17 from this department of assembly 18 through the front part of vehicle of catalysts 15 cap 20 that reaches vehicle-width direction the other end of a side contrary with vehicle-width direction one end.By the wind that travels radiator 2, that utilize fan housting 3 to flow to rear view of vehicle arrive change-speed box 4 before, and along surperficial flow direction engine 5 sides of change-speed box 4.But, be equipped with the department of assembly 18 of insulation cover 17 at the vehicle front face of flange part 11 that is formed at driving engine 5, be provided with cap 20 from the vehicle front side of this process catalyst 15 to vehicle-width direction the other end side.Therefore, can prevent from the surface of wind contact catalysis conv 15 of travelling of change-speed box 4 side flow direction engine 5 sides, and can prevent travelling of flow direction engine 5 sides distinguished and admirable enter catalyst 15 and driving engine 5 above between.The heat that therefore, can prevent catalyst 15 is by the wind diffusion of travelling.In addition, can prevent from flowing to catalyst 15 and driving engine 5 above between the catalyzed conv 15 of the wind that travels heat.Thus, can protect parts, the subsidiary engine of the periphery that is configured in catalyst 15, for example air-conditioning compressor 16, the impact that it is not heated.In addition because the wind that travels do not flow to catalyst 15 and driving engine 5 above between, so can prevent that the vehicle front side of the wind direction radiator 2 that travels that catalyzed conv 15 heats from flowing backwards.Therefore, the wind inflow radiator 2 that travels that warms can be prevented, the cooling performance of radiator can be improved.In addition, can prevent from arriving wind flow direction engine 5 sides of travelling of change-speed box 4, therefore successfully flow to rear view of vehicle from radiator 2 by the running wind of fan housting 3, can improve the cooling performance of radiator 2.
In addition, the air-conditioning compressor 16 bent axle by driving engine 5 10 being driven is configured in vehicle-width direction one side of catalyst 15.And, vehicle-width direction the other end of cap 20 is extended for dividing between air-conditioning compressor 16 and catalyst 15 and dispose the space of air-conditioning compressor 16 and the space that disposes catalyst 15, make the vehicle-width direction end of cap 20 more side-prominent to the vehicle front face of driving engine 5 than air-conditioning compressor 16.Thus, utilize the cap 20 of insulation cover 17 that catalyst 15 and air-conditioning compressor 16 are demarcated, can prevent that heat from passing to air-conditioning compressor 16 from catalyst 15.Consequently, can protect the subsidiary engine of the periphery that is configured in catalyst 15, the impact that it is not heated.
Fig. 7 is the X-X section drawing that the variation of the heat insulation structural of the exhaust component of the driving engine of Fig. 4 is shown.In this variation, the vehicle-width direction the other end in the cap 20 of insulation cover 17 is connected to catalyst 15 by fasteners 22 such as support 21 and bolts.In the present embodiment, support 21 is fixed in advance to the outside wall portions of catalyst 15, fastener 22 is inserted to the cap 20 of this support 21 and insulation cover 17 so that both are connected.As shown in Figure 5, when vehicle-width direction the other end of cap 20 is during in free end state, the gap of the surface of catalyst 15 and cap 20 is easy to variation, in some situation, likely contacts because Vehicular vibration makes both.The effect of heat insulation of insulation cover 17, as air insulation layer performance function, therefore, by this gap is fixed, can be improved in gap between the surface of catalyst 15 and cap 20.
Like this in the heat insulation structural of the exhaust component of Fig. 7, by vehicle-width direction the other end of cap 20 is connected to the housing body of catalyst 15 by support 21, can guarantee that the gap between the surface of catalyst 15 and the cap 20 of insulation cover 17 is fixed.Thus, can prevent insulation cover 17 with catalyst 15 because Vehicular vibration contacts, can between insulation cover 17 and catalyst 15, keep fixing air layer.Consequently, can utilize the air layer between insulation cover 17 to make the heat of catalyst 15 be difficult to be leaked in engine room, can protect the subsidiary engine of the periphery that is configured in catalyst 15, the impact that it is not heated.
Fig. 8 is the X-X section drawing that another variation of the heat insulation structural of the exhaust component of the driving engine of Fig. 4 is shown.In this variation, make the vehicle-width direction the other end in the cap 20 of insulation cover 17 further extend to driving engine 5(cylinder block 6) side, utilize fastener 22 above-mentioned vehicle-width direction the other end of cap 20 to be connected to the vehicle front side portion of cylinder block 6.Thus, catalyst 15 and air-conditioning compressor 16 are divided out, and can prevent that heat from passing to air-conditioning compressor 16 from catalyst 15.Consequently, can protect the subsidiary engine of the periphery that is configured in catalyst 15, the impact that it is not heated.
Fig. 9 is the block diagram that the driving engine of the 2nd embodiment of the heat insulation structural of exhaust component of the present utility model is shown, Figure 10 is the front view of the driving engine of Fig. 9.Formation in the engine room that driving engine 5 is installed 1 of present embodiment is identical with above-mentioned the 1st embodiment.In the present embodiment, by the length setting of the vehicle above-below direction of the department of assembly in insulation cover 17 18 be the length being more than or equal to from the vehicle front side bottom of cylinder block 6 to vehicle front side upper end.In addition, by least length setting of the vehicle above-below direction of the vehicle front from department of assembly 18 to catalyst 15 in the cap of insulation cover 17 20 be the length being more than or equal to from the vehicle front side bottom of cylinder block 6 to vehicle front side upper end.
Therefore, though the wind that travels of the fan housting 3 by radiator 2 arrive change-speed box 4 above and flow direction engine 5 sides, also can utilize the department of assembly 18 of insulation cover 17 and cap 20 prevent from travelling distinguished and admirable enter catalyst 15 and driving engine 5 above between.Thus, the wind that can prevent from travelling passes from the rear view of vehicle side of catalyst 15, and the catalyzed conv 15 of wind that can prevent from travelling heats.Therefore, the hot diffusion of catalyst 15 can be prevented, and the air-conditioning compressor 16 of the periphery that is configured in catalyst 15, the impact that it is not heated can be protected.In addition because the wind that travels do not flow to catalyst 15 and driving engine 5 above between, so can prevent that the vehicle front side of the wind direction radiator 2 that travels that catalyzed conv 15 heats from flowing backwards.Therefore, the wind inflow radiator 2 that travels that warms can be prevented, the cooling performance of radiator 2 can be improved.
In addition, in the above-described embodiment, the subsidiary engine of the vehicle-width direction one side's side that is configured in catalyst 15 is made as to air-conditioning compressor 16, but the subsidiary engine that is configured in vehicle-width direction one side's side of catalyst can be also the device beyond air-conditioning compressor 16, also can configuration packet containing 2 of air-conditioning compressor above subsidiary engines.
description of reference numerals
1 engine room
2 radiatores
3 fan houstings
4 change-speed boxs
5 driving engines
6 cylinder blocks
7 cylinder heads
8 cylinder-cover jackets
9 oil pan trays
10 bent axles
11 flange parts
12 induction maniflods
13 dontake pipes
14 freeing pipes
15 catalysts
16 air-conditioning compressors
17 insulation covers
18 departments of assembly
19 fasteners
20 caps
21 supports
22 fasteners
Claims (5)
1. a heat insulation structural for exhaust component, carries out heat insulationly to the exhaust component being connected with driving engine, it is characterized in that having:
Radiator, it is configured in the front part of vehicle of engine room;
Fan housting, it is assemblied in the vehicle rear-side face of above-mentioned radiator;
Change-speed box, it is arranged on the rear view of vehicle of above-mentioned radiator in above-mentioned engine room;
Above-mentioned driving engine, it connects with a side of the vehicle-width direction of above-mentioned change-speed box;
Dontake pipe, it is assemblied in the vehicle front of above-mentioned driving engine;
Catalyst, it is configured in the under-vehicle side of above-mentioned dontake pipe;
Insulation cover, it is configured to cover above-mentioned catalyst;
Flange part, it is formed on vehicle-width direction one end of above-mentioned driving engine, forms the face of joint with respect to above-mentioned change-speed box;
Department of assembly, it is formed on vehicle-width direction one end of above-mentioned insulation cover, for above-mentioned insulation cover being assembled to the vehicle front face of above-mentioned flange part, is strip along the shape of the vehicle front face of above-mentioned flange part at vehicle above-below direction; And
Cap, it is formed at above-mentioned insulation cover, make its from above-mentioned department of assembly the front part of vehicle through above-mentioned catalyst, and reach vehicle-width direction the other end of a side contrary with above-mentioned vehicle-width direction one end.
2. the heat insulation structural of exhaust component according to claim 1, is characterized in that,
The subsidiary engine of the crank-driven by above-mentioned driving engine is configured in to vehicle-width direction one side of above-mentioned catalyst,
Above-mentioned vehicle-width direction the other end of above-mentioned cap is extended for dividing the space that disposes above-mentioned subsidiary engine and the space that disposes above-mentioned catalyst between above-mentioned subsidiary engine and above-mentioned catalyst, make the vehicle-width direction end of above-mentioned cap more side-prominent to the vehicle front face of above-mentioned driving engine than above-mentioned subsidiary engine.
3. according to the heat insulation structural of the exhaust component described in claim 1 or 2, it is characterized in that,
Be the length being more than or equal to from the vehicle front side bottom of the cylinder block of above-mentioned driving engine to vehicle front side upper end by the length setting of the vehicle above-below direction of above-mentioned department of assembly,
Be the length being more than or equal to from the vehicle front side bottom of above-mentioned cylinder block to vehicle front side upper end by the length setting of the vehicle above-below direction of at least vehicle front from above-mentioned department of assembly to above-mentioned catalyst in above-mentioned cap.
4. the heat insulation structural of exhaust component according to claim 3, is characterized in that,
Above-mentioned vehicle-width direction the other end of above-mentioned cap is connected to the housing body of above-mentioned catalyst by support.
5. the heat insulation structural of exhaust component according to claim 3, is characterized in that,
Above-mentioned vehicle-width direction the other end of above-mentioned cap is connected to the vehicle front side portion of above-mentioned cylinder block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-046228 | 2013-03-08 | ||
| JP2013046228A JP2014173482A (en) | 2013-03-08 | 2013-03-08 | Heat shielding structure for exhaust component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752890U true CN203752890U (en) | 2014-08-06 |
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ID=51248197
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104789.0U Expired - Fee Related CN203752890U (en) | 2013-03-08 | 2014-03-07 | Thermal insulation structure of exhaust part |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014173482A (en) |
| CN (1) | CN203752890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986874A (en) * | 2014-11-18 | 2016-10-05 | 现代自动车株式会社 | Heat insulation device for vehicle exhaust gas purification system |
| CN108473046A (en) * | 2016-01-22 | 2018-08-31 | 五十铃自动车株式会社 | The heat insulation structural of vehicle |
| CN111472878A (en) * | 2019-01-23 | 2020-07-31 | 铃木株式会社 | Internal combustion engine for vehicle |
-
2013
- 2013-03-08 JP JP2013046228A patent/JP2014173482A/en active Pending
-
2014
- 2014-03-07 CN CN201420104789.0U patent/CN203752890U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986874A (en) * | 2014-11-18 | 2016-10-05 | 现代自动车株式会社 | Heat insulation device for vehicle exhaust gas purification system |
| CN105986874B (en) * | 2014-11-18 | 2020-07-03 | 现代自动车株式会社 | Heat insulating device for vehicle exhaust gas purification system |
| CN108473046A (en) * | 2016-01-22 | 2018-08-31 | 五十铃自动车株式会社 | The heat insulation structural of vehicle |
| CN108473046B (en) * | 2016-01-22 | 2021-05-25 | 五十铃自动车株式会社 | Heat insulation structure of vehicle |
| CN112918398A (en) * | 2016-01-22 | 2021-06-08 | 五十铃自动车株式会社 | Heat insulation structure of vehicle |
| CN112918398B (en) * | 2016-01-22 | 2023-08-11 | 五十铃自动车株式会社 | Heat insulation structure of vehicle |
| CN111472878A (en) * | 2019-01-23 | 2020-07-31 | 铃木株式会社 | Internal combustion engine for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014173482A (en) | 2014-09-22 |
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