CN108979820A - A kind of exhaust pipe heat insulation shield and installation method - Google Patents
A kind of exhaust pipe heat insulation shield and installation method Download PDFInfo
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- CN108979820A CN108979820A CN201810998923.9A CN201810998923A CN108979820A CN 108979820 A CN108979820 A CN 108979820A CN 201810998923 A CN201810998923 A CN 201810998923A CN 108979820 A CN108979820 A CN 108979820A
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- heat shield
- heat
- exhaust pipe
- shield
- insulating layer
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- 238000009413 insulation Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 title claims abstract description 7
- 239000010410 layer Substances 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 238000003466 welding Methods 0.000 claims abstract description 39
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 239000002356 single layer Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002937 thermal insulation foam Substances 0.000 claims 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 22
- 230000000694 effects Effects 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
A kind of exhaust pipe heat insulation shield, including the first heat shield, the second heat shield and third heat shield, are made of metal shell, insulating layer.It is concavo-convex that metal shell is that its surface of single layer stainless steel strikes out, and air existing for the position makes internal heat be isolated from the outside world when use.After being wrapped on exhaust pipe, the first heat shield, third heat shield are cylindrical, and the second heat shield is in a circular table shape, and overlapping region is welded to connect.First heat shield, the second heat shield, third heat shield lap position by being welded to connect, first, overlapped that underrun is welded and fixed with pipe surface is vented for third heat shield.A kind of installation method of exhaust pipe heat insulation shield, including Step 1: concavo-convex lines is stamped out in metal housing surface；Step 2: insulating layer is bonded in metal housing surface；Step 3: the first, second, third heat shield is wrapped on the outside of exhaust pipe；Step 4: welding metal shell and heat shield；Step 5: metal shell is welded on exhaust pipe surface.
Description
Technical field
The present invention relates to heat-insulating technique field more particularly to a kind of exhaust pipe heat insulation shields and installation method.
Background technique
The exhaust system of automobile is one of important component of automobile, it is mainly by exhaust manifold, clarifier, catalysis
Device, muffler composition.The waste gas purification generated when clarifier is with for by engine operation, muffler are urged for eliminating noise
Change device and be used for vent gas treatment, triplicity can be played the role of reducing discharge and reduce noise.Due to the temperature of vehicle exhaust
It is higher, therefore in order to protect some non-refractory components near exhaust system, prevent it from being damaged in use by high temperature,
Or guarantee the normal work of catalyst in muffler, thermal isolating panel is usually set outside exhaust system.Currently, it is traditional every
Hot insulation cover generallys use double-layer aluminum-foil or laminates structure, and structure is complicated and heat insulation and preservation effect is undesirable, and every
Heat cover surface is easy to scratch, and intensity is insufficient, and overall appearance is unsightly.
Chinese invention patent CN201610692909.7 disclose a kind of catalyst converter collet, collet production method with
And heat insulation structural, it is used for automobile exhaust system, including catalyst converter portion collet, pipe section collet.Catalyst converter portion collet set
It is located on catalyst converter, pipe section collet is set on exhaust pipe, is thermally shielded respectively to catalyst converter and exhaust pipe.Collet by
Stainless steel yarn stratum reticulare, glass layer, high silicon oxygen material layer, three proofings layer of cloth, stainless steel yarn stratum reticulare are set gradually from inside to outside.
A kind of for another example Combined exhaust pipe heat insulation cover of Chinese utility model patent CN200920289528.X, it is particularly applicable to
The exhaust of automobile engine, the liner of bellows, internal layer including outer layer and the fixation end cap that collet both ends are set.Wave
The inner surface of line pipe is matched with the outer surface of liner, is matched on the inside of the outer surface of bellows and fixed end cap.Bellows
Outer layer is made of aluminium foil, and internal layer is made of glass fiber material.Liner is made of inorfil cotton heat-barrier material, liner
It is upper it is axially disposed have a liner joint-cutting, it is axially disposed on bellows to have bellows joint-cutting, covered on the outer cylinder surface of bellows
Equipped with clip.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of simple exhaust pipe heat insulation shields of structure, and process flow is simple,
It can guarantee certain intensity simultaneously, avoid being scratched in use process by foreign matter, and can guarantee that its thermal and insulating performance reaches
To use demand.
To solve the above problems, the present invention provides a kind of exhaust pipe heat insulation shield, including the first heat shield, second every
Heat cover, third heat shield, first heat shield, the second heat shield, third heat shield are made of metal shell, insulating layer,
The insulating layer is adhesively fixed in the metal housing surface, the heat insulation shield insulating layer and exhaust pipe table when using
Face contact；First heat shield be wrapped in it is cylindrical on exhaust pipe, second heat shield be wrapped on exhaust pipe in circle
Mesa-shaped, the third heat shield are wrapped in cylindrical on exhaust pipe, and first heat shield, the second heat shield, third are heat-insulated
After cover is wrapped on exhaust pipe, the overlapping region of metal shell is connected using welding manner；
The upper bottom surface that first heat shield forms any bottom surface of cylinder and second heat shield forms rotary table overlaps
And it welds；
The bottom surface that the third heat shield forms any bottom surface of cylinder and second heat shield forms rotary table overlaps
And it welds；
Overlapped that underrun welding manner is fixed on exhaust for first heat shield, third heat shield and exhaust pipe surface
Pipe surface；
Concavo-convex lines is arranged in the metal housing surface.
Further, the concavo-convex lines of the metal housing surface passes through punch forming.
Further, the metal shell be single layer stainless steel material, the metal shell with a thickness of 0.1mm~2mm.
Further, first heat shield, the second heat shield, third heat shield both ends are respectively provided with welding section.
Further, on first heat shield, third heat shield and exhaust pipe surface overlapped bottom surface, welding section is set
It is set to step-like.
Further, the width of the welding section is 3-10cm.
Further, the insulating layer using insulation cotton make, the insulating layer with a thickness of 1-100mm.
Further, enhancement layer is set inside the insulating layer.
Further, it is 50-300mm that first heat shield, which forms the basal diameter of cylinder,；
The upper bottom surface diameter that second heat shield forms rotary table is 50-300mm, and bottom surface diameter is 100-600mm；
The basal diameter that the third heat shield forms cylinder is 100-300mm.
The invention also discloses a kind of installation methods of exhaust pipe heat insulation shield, include the following steps, Step 1: in gold
Belong to surface of shell and stamps out concavo-convex lines；
Step 2: insulating layer is bonded in metal housing surface；
Step 3: the first heat shield, the second heat shield, third heat shield are wrapped on the outside of exhaust pipe；
Step 4: the overlapping region of welding metal shell and the first heat shield, the second heat shield, between third heat shield
Overlapping regions；
Step 5: metal shell is welded on exhaust pipe surface.
Compared with prior art, the invention has the following beneficial effects:
(1) exhaust pipe heat insulation shield is made of metal shell, insulating layer, and metal shell is single layer structure, and existing
Shell includes that multilayered structure is compared in heat shield, and insulation cover structure provided by the present invention is simple, saves processing step,
It also can guarantee the intensity and thermal insulation property of shell simultaneously；
(2) metal housing surface is arranged concavo-convex lines, and the concavo-convex lines position has air presence when use, can
Make internal heat and extraneous preferably isolation, reduces distributing for heat, improve the effect of insulation；And the bumps fill lines
Using sheet metal forming technology shaping, process flow is simple；
(3) metal shell is made of the stainless steel material of 0.1mm~2mm, can either guarantee shell by certain intensity,
It can guarantee that the concavo-convex lines of metal housing surface can be convenient for molding again, while the high temperature resistance of stainless steel material is good, no
It will affect using effect；
(4) insulating layer is made of 1-100mm insulation cotton, guarantees heat insulating effect；
(5) first heat shield, the second heat shield, third heat shield both ends are respectively provided with welding section, the welding section
Width is 3-10cm, ensure that welding effect；And by the first heat shield, third heat shield and exhaust pipe surface overlapped bottom surface
On, set step-like for welding section, can effectively avoid insulating layer ensure that welding beauty and heat insulation effect；
(6) overlapping region after metal shell package is connected using welding manner, and metal shell is welded on exhaust pipe surface,
Connection type is secured, avoids heat insulation shield after vehicle long-play falls off or connecting portion loosens and leads to abnormal sound etc.；
(7) enhancement layer is set inside insulating layer, improves the intensity of insulating layer, avoids insulating layer from loosening or deform, ensure that
Heat insulation and preservation effect.
Detailed description of the invention
Fig. 1 is heat insulation shield use state diagram in embodiment 1,2,3；
Fig. 2 is heat insulation shield use state diagram in embodiment 4,5,6；
Fig. 3 is the structural relation figure of metal shell and insulating layer；
Wherein: 1 is the first heat shield, and 2 be the second heat shield, and 3 be third heat shield, and 41 be metal shell, and 42 be heat preservation
Layer, 43 be enhancement layer.
Specific embodiment
With reference to the accompanying drawings of the specification, the present invention will be further described, and provides the embodiment of the present invention.It needs to illustrate
, for the convenience of description, after the bottom surface of heretofore described first heat shield refers to that the first heat shield is wrapped on the outside of exhaust pipe,
It is formed by any one bottom surface of cylinder；After the upper bottom surface of second heat shield refers to that the second heat shield is wrapped on the outside of exhaust pipe,
The formed lesser bottom surface of rotary table diameter；After the bottom surface of second heat shield refers to that the second heat shield is wrapped on the outside of exhaust pipe, institute
Form the bottom surface that rotary table is relatively large in diameter；After the bottom surface of the third heat shield refers to that third heat shield is wrapped on the outside of exhaust pipe, institute
Any one bottom surface of the cylinder of formation.
Embodiment 1
The invention discloses a kind of exhaust pipe heat insulation shield, including the first heat shield 1, second are heat-insulated as shown in Figure 1,3
Cover 2, third heat shield 3.First heat shield 1, the second heat shield 2, third heat shield 3 are by metal shell 41, insulating layer
42 are constituted.Insulating layer 42 is adhesively fixed on 41 surface of metal shell, it is ensured that the combination of insulating layer 42 and metal shell 41
Power, avoid using when insulating layer 42 fall off, influence heat insulating effect.The heat insulation shield using when be wrapped in outside exhaust pipe
Side, and the insulating layer 42 is contacted with exhaust pipe surface, plays the role of insulation.
First heat shield 1 is wrapped in cylindrical on exhaust pipe, and the basal diameter of the cylinder is 40mm；Described second
Heat shield 2 is wrapped in a circular table shape on exhaust pipe, and the upper bottom surface diameter of the rotary table is 40mm, and bottom surface diameter is 70mm；Institute
It states third heat shield 3 and is wrapped in cylindrical on exhaust pipe, the basal diameter of the cylinder is 70mm.As shown in Figure 1, thermal insulation separation
After heat cover is wrapped on the outside of exhaust pipe, the first heat shield 1, the second heat shield 2, third heat shield 3 metal shell 41 coincidence
Region is connected using welding manner, and the first heat shield 1 described in the present embodiment forms any one bottom surface and described the of cylinder
The upper bottom surface of the formation rotary table of two heat shields 2 is overlapped and is welded, the third heat shield 3 formed any one bottom surface of cylinder with
The bottom surface that second heat shield 2 forms rotary table is overlapped and is welded, first heat shield 1, third heat shield 3 and exhaust pipe
Overlapped on surface, and underrun welding manner is fixed on exhaust pipe surface.Between the exhaust pipe thermal insulation shield, exhaust pipe thermal insulation shield
Welding manner is all made of between exhaust pipe to connect, connection type is secured, avoid using when heat insulation shield loosen, influence to keep the temperature
Heat insulation.
First heat shield 1 forms the both ends bottom surface of cylinder, the second heat shield 2 forms the both ends bottom surface of rotary table, third
The both ends bottom surface that heat shield 3 forms cylinder is respectively provided with welding section, and the width of welding section is 2mm in the present embodiment.Above-mentioned first every
The 1, second heat shield 2 of heat cover, welding of the welding in welding section between third heat shield 3, by setting welding section and true
Welding section is protected in certain width, welding effect is ensure that, heat shield in use process is avoided to fall off.And as shown in Figure 1
On one heat shield 1, third heat shield 3 and exhaust pipe surface overlapped bottom surface, set step-like for welding section, it can also be rationally
The heat insulation effect of heat shield has been avoided the insulating layer inside heat shield i.e. and ensure that on ground beautiful after welding, guaranteed.
The metal shell 41 is made of single layer stainless steel material, be ensure that the hardness of metal shell 41, is avoided making
The surface of used time heat insulation shield is scratched by foreign matter, influences heat insulating effect, is avoided using the production of single layer stainless steel material
The complicated technology of multilayered structure, simplifies process flow.Stainless steel material has good high temperature resistance simultaneously, saves
Also heat preservation and insulation, the high temperature resistance, intensity of product be can guarantee while technique.The surface of metal shell 41 is provided with
Concavo-convex lines, the concavo-convex lines are punch forming, and moulding process is simple.This is recessed when in use for exhaust pipe heat insulation shield
Convex lines position has air presence, can make internal heat and extraneous preferably isolation, reduce distributing for heat, improve and protect
The heat-insulated effect of temperature.Metal shell 41 described in the present embodiment with a thickness of 0.1mm, shell can either be guaranteed by certain strong
Degree, and can guarantee that the concavo-convex lines on 41 surface of metal shell being capable of the molding effect easy to process to guarantee concavo-convex lines
Fruit.
The insulating layer 42 is made of insulation cotton, while ensure that the effect of insulation, and it is easy to process
At required shape, insulating layer 42 described in the present embodiment with a thickness of 1mm.It is set inside the insulating layer 42 as shown in Figure 3
Set enhancement layer 43, the enhancement layer 43 be it is netted, improve the intensity of insulating layer 42, insulating layer 42 avoided to loosen or deform.
The invention also discloses a kind of installation methods of exhaust pipe heat insulation shield, include the following steps, Step 1: in gold
Belong to 41 surface of shell and stamps out concavo-convex lines；
Step 2: insulating layer 42 is bonded in 42 surface of metal shell；
Step 3: the first heat shield 1, the second heat shield 2, third heat shield 4 are wrapped on the outside of exhaust pipe；
Step 4: the overlapping region of welding metal shell 41 and the first heat shield 1, the second heat shield 2, third heat shield
Overlapping regions between 3；
Step 5: metal shell 41 is welded on exhaust pipe surface.
Embodiment 2
The present embodiment difference from example 1 is that, the metal shell 41 with a thickness of 0.1mm, the heat preservation
Layer 42 with a thickness of 5mm.The basal diameter that first heat shield 1 is wrapped in be in cylinder on exhaust pipe is 50mm；Described
The upper bottom surface diameter that two heat shields 2 are wrapped in the rotary table formed on exhaust pipe is 50mm, and bottom surface diameter is 100mm；Described
It is 100mm that three heat shields 3, which are wrapped on exhaust pipe in the basal diameter of cylinder,.
Various sizes of exhaust pipe needs to correspond to various sizes of exhaust pipe heat insulation shield, to meet heat insulation property
Can, also for the intensity for guaranteeing heat insulation shield, thickness, the thickness of insulating layer 42 of required metal shell 41 are also different.
In addition, first heat shield 1, the second heat shield 2,3 both ends welding section of third heat shield width be 3mm.
Embodiment 3
The present embodiment and embodiment 2 the difference is that, the metal shell 41 with a thickness of 0.2mm, the heat preservation
Layer 42 with a thickness of 10mm.The basal diameter that first heat shield 1 is wrapped in be in cylinder on exhaust pipe is 100mm；It is described
The upper bottom surface diameter that second heat shield 2 is wrapped in the rotary table formed on exhaust pipe is 100mm, and bottom surface diameter is 250mm；Institute
Stating third heat shield 3 and being wrapped on exhaust pipe in the basal diameter of cylinder is 250mm.First heat shield 1, second is heat-insulated
The width for covering 2,3 both ends welding section of third heat shield is 5mm.
Embodiment 4
The present embodiment and embodiment 3 the difference is that, the metal shell 41 with a thickness of 0.5mm, the heat preservation
Layer 42 with a thickness of 50mm.The basal diameter that first heat shield 1 is wrapped in be in cylinder on exhaust pipe is 200mm；It is described
The upper bottom surface diameter that second heat shield 2 is wrapped in the rotary table formed on exhaust pipe is 200mm, and bottom surface diameter is 450mm；Institute
Stating third heat shield 3 and being wrapped on exhaust pipe in the basal diameter of cylinder is 450mm.First heat shield 1, second is heat-insulated
The width for covering 2,3 both ends welding section of third heat shield is 8mm.
In addition, as shown in Fig. 2, the first heat shield 1 forms a bottom surface of cylinder and the formation circle of second heat shield 2
The upper bottom surface of platform is overlapped and is welded, any one bottom surface of the formation of third heat shield 3 cylinder and 2 shape of the second heat shield
It overlaps and welds at the bottom surface of rotary table.The third heat shield 3 forms another bottom surface of cylinder and another described second heat-insulated
The bottom surface of rotary table that cover 2 is formed overlap and is welded, the upper bottom surface of second heat shield 2 formation rotary table and another first heat-insulated
The bottom surface of 1 formation cylinder of cover overlaps and welds.Overlapped that bottom surface is set as step for first heat shield 1 of two sides and exhaust pipe surface
Shape, and exhaust pipe surface is fixed on by welding manner.
Embodiment 5
The present embodiment and embodiment 4 the difference is that, the metal shell 41 with a thickness of 1.5mm, the heat preservation
Layer 42 with a thickness of 80mm.The basal diameter that first heat shield 1 is wrapped in be in cylinder on exhaust pipe is 300mm；It is described
The upper bottom surface diameter that second heat shield 2 is wrapped in the rotary table formed on exhaust pipe is 300mm, and bottom surface diameter is 550mm；Institute
Stating third heat shield 3 and being wrapped on exhaust pipe in the basal diameter of cylinder is 550mm.First heat shield 1, the second heat shield
2, the width of 3 both ends welding section of third heat shield is 10mm.
Embodiment 6
The present embodiment and embodiment 5 the difference is that, the metal shell 41 with a thickness of 2mm, the insulating layer
42 with a thickness of 100mm.The basal diameter that first heat shield 1 is wrapped in be in cylinder on exhaust pipe is 350mm；Described
The upper bottom surface diameter that two heat shields 2 are wrapped in the rotary table formed on exhaust pipe is 350mm, and bottom surface diameter is 600mm；Described
It is 600mm that three heat shields 3, which are wrapped on exhaust pipe in the basal diameter of cylinder,.First heat shield 1, the second heat shield 2,
The width of three heat shields, 3 both ends welding section is 12mm.
The foregoing describe basic principle of the invention and specific embodiments, but the present invention is not by the limit of above-described embodiment
System, without departing from the purpose of the present invention, industry technical staff can carry out various changes and modifications to it, these changes
Change and improvement is each fallen in scope of protection of the present invention.
Claims (10)
1. a kind of exhaust pipe heat insulation shield, including the first heat shield, the second heat shield, third heat shield, described first is heat-insulated
Cover, the second heat shield, third heat shield are made of metal shell, insulating layer, and the insulating layer is adhesively fixed in the metal
Surface of shell, the heat insulation shield using when the insulating layer contact with exhaust pipe surface；First heat shield is wrapped in
Cylindrical on exhaust pipe, second heat shield is wrapped in a circular table shape on exhaust pipe, and the third heat shield is wrapped in row
It is cylindrical on tracheae, it is characterised in that:
After first heat shield, the second heat shield, third heat shield are wrapped on exhaust pipe, the overlapping region of metal shell is adopted
It is connected with welding manner；
The upper bottom surface that any bottom surface that first heat shield forms cylinder forms rotary table with second heat shield is overlapped and is welded
It connects；
The bottom surface that any bottom surface that the third heat shield forms cylinder forms rotary table with second heat shield is overlapped and is welded
It connects；
Overlapped that underrun welding manner is fixed on exhaust pipe table for first heat shield, third heat shield and exhaust pipe surface
Face；
Concavo-convex lines is arranged in the metal housing surface.
2. exhaust pipe heat insulation shield according to claim 1, it is characterised in that: the metal housing surface it is concavo-convex
Lines passes through punch forming.
3. exhaust pipe heat insulation shield according to claim 2, it is characterised in that: the metal shell is single layer stainless steel
Material, the metal shell with a thickness of 0.1mm~2mm.
4. exhaust pipe heat insulation shield according to claim 3, it is characterised in that: first heat shield, second heat-insulated
Cover, third heat shield both ends are respectively provided with welding section.
5. exhaust pipe heat insulation shield according to claim 4, it is characterised in that: first heat shield, third are heat-insulated
Cover sets step-like for welding section on exhaust pipe surface overlapped bottom surface.
6. exhaust pipe heat insulation shield according to claim 5, it is characterised in that: the width of the welding section is 3-
10cm。
7. -6 any exhaust pipe heat insulation shield according to claim 1, it is characterised in that: the insulating layer is using heat preservation
Heat insulation foam production, the insulating layer with a thickness of 1-100mm.
8. exhaust pipe heat insulation shield according to claim 7, it is characterised in that: setting is reinforced inside the insulating layer
Layer.
9. exhaust pipe heat insulation shield according to claim 8, it is characterised in that: first heat shield forms cylinder
Basal diameter is 50-300mm；
The upper bottom surface diameter that second heat shield forms rotary table is 50-300mm, and bottom surface diameter is 100-600mm；
The basal diameter that the third heat shield forms cylinder is 100-300mm.
10. the installation method of exhaust pipe heat insulation shield described in a kind of claim 1, it is characterised in that: include the following steps,
Step 1: stamping out concavo-convex lines in metal housing surface；
Step 2: insulating layer is bonded in metal housing surface；
Step 3: the first heat shield, the second heat shield, third heat shield are wrapped on the outside of exhaust pipe；
Step 4: the overlapping region of welding metal shell and the first heat shield, the second heat shield, taking between third heat shield
Connect region；
Step 5: metal shell is welded on exhaust pipe surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998923.9A CN108979820A (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998923.9A CN108979820A (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield and installation method |
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| Publication Number | Publication Date |
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| CN108979820A true CN108979820A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810998923.9A Pending CN108979820A (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield and installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443384A (en) * | 2019-09-05 | 2021-03-05 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089282A (en) * | 2000-09-18 | 2002-03-27 | Sango Co Ltd | Heat-shielding cover mounting structure |
| CN202596864U (en) * | 2012-04-26 | 2012-12-12 | 常州市良久机械制造有限公司 | Energy-saving exhaust pipe |
| CN205532819U (en) * | 2016-04-07 | 2016-08-31 | 江阴创博机械制造有限公司 | Use vehicle vent -pipe of new material |
| CN207033568U (en) * | 2017-06-26 | 2018-02-23 | 北京汽车研究总院有限公司 | Heat shield, catalytic converter assembly structure and automobile |
| CN208702512U (en) * | 2018-08-30 | 2019-04-05 | 苏州普科环境技术有限公司 | A kind of exhaust pipe heat insulation shield |
-
2018
- 2018-08-30 CN CN201810998923.9A patent/CN108979820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089282A (en) * | 2000-09-18 | 2002-03-27 | Sango Co Ltd | Heat-shielding cover mounting structure |
| CN202596864U (en) * | 2012-04-26 | 2012-12-12 | 常州市良久机械制造有限公司 | Energy-saving exhaust pipe |
| CN205532819U (en) * | 2016-04-07 | 2016-08-31 | 江阴创博机械制造有限公司 | Use vehicle vent -pipe of new material |
| CN207033568U (en) * | 2017-06-26 | 2018-02-23 | 北京汽车研究总院有限公司 | Heat shield, catalytic converter assembly structure and automobile |
| CN208702512U (en) * | 2018-08-30 | 2019-04-05 | 苏州普科环境技术有限公司 | A kind of exhaust pipe heat insulation shield |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443384A (en) * | 2019-09-05 | 2021-03-05 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
| CN112443384B (en) * | 2019-09-05 | 2022-03-15 | 广州特拓新材料科技有限公司 | Heat shield and processing method thereof |
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