CN208702512U - A kind of exhaust pipe heat insulation shield - Google Patents
A kind of exhaust pipe heat insulation shield Download PDFInfo
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- CN208702512U CN208702512U CN201821415735.0U CN201821415735U CN208702512U CN 208702512 U CN208702512 U CN 208702512U CN 201821415735 U CN201821415735 U CN 201821415735U CN 208702512 U CN208702512 U CN 208702512U
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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, insulating layer is bonded in metal housing surface metal shell, insulating layer.Metal shell is single layer stainless steel material, avoids saving technique using multilayered structure, stamps out concavo-convex lines, and air existing for the position makes internal heat and extraneous preferably isolation when use.Insulating layer is insulation cotton, inside setting enhancement layer.First heat shield is wrapped in cylindrical on exhaust pipe, and the second heat shield is wrapped in a circular table shape on exhaust pipe, and third heat shield is wrapped in cylindrical on exhaust pipe, and the overlapping region of metal shell is welded to connect.The upper bottom surface of the bottom surface of first heat shield and the second heat shield is overlapped and is welded, and the bottom surface of the bottom surface of third heat shield and the second heat shield is overlapped and welded, and overlapped that underrun welding manner is fixed for the first heat shield, third heat shield and exhaust pipe surface.It is relatively firm using welding manner connection, it avoids loosening.
Description
Technical field
The utility model relates to heat-insulating technique field more particularly to a kind of exhaust pipe heat insulation shields.
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.
Utility model content
Problem to be solved in the utility model is to provide a kind of simple exhaust pipe heat insulation shield of structure, process flow letter
It is single, while can guarantee certain intensity, it avoids being scratched in use process by foreign matter, and can guarantee its thermal and insulating performance
Reach use demand.
To solve the above problems, the utility model provides a kind of exhaust pipe heat insulation shield, including the first heat shield,
Two heat shields and third heat shield, first heat shield, the second heat shield, third heat shield are by metal shell, insulating layer
It constitutes, the insulating layer is adhesively fixed in the metal housing surface, the heat insulation shield insulating layer and row when using
The contact of tracheae surface；First heat shield is wrapped in cylindrical on exhaust pipe, and second heat shield is wrapped in exhaust pipe
Upper in a circular table shape, the third heat shield is wrapped in cylindrical on exhaust pipe, first heat shield, the second heat shield, the
After three heat shields are 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 is wrapped in exhaust pipe surface and forms the basal diameter of cylinder,；
It is 50-300mm that second heat shield, which is wrapped in exhaust pipe surface and forms the upper bottom surface diameter of rotary table, and bottom surface is straight
Diameter is 100-600mm；
The basal diameter of the third heat shield is 100-600mm.
Compared with prior art, the utility model 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 utility model is simple, saves technique
Step, while also can guarantee the intensity and thermal insulation property of shell；
(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 utility model is described further, and provides the embodiments of the present invention.
After the bottom surface of first heat shield described in the utility model refers to that the first heat shield is wrapped on the outside of exhaust pipe, it is formed by cylinder
Any one bottom surface；After the upper bottom surface of second heat shield refers to that the second heat shield is wrapped on the outside of exhaust pipe, formed rotary table diameter
Lesser bottom surface；After the bottom surface of second heat shield refers to that the second heat shield is wrapped on the outside of exhaust pipe, formed rotary table diameter compared with
Big bottom surface；After the bottom surface of the third heat shield refers to that third heat shield is wrapped on the outside of exhaust pipe, it is formed by appointing for cylinder
It anticipates a bottom surface.
Embodiment 1
The utility model discloses a kind of exhaust pipe heat insulation shields, including the first heat shield 1, second as shown in Figure 1,3
Heat shield 2, third heat shield 3.First heat shield 1, the second heat shield 2, third heat shield 3 are by metal shell 41, guarantor
Warm layer 42 is constituted.Insulating layer 42 is adhesively fixed on 41 surface of metal shell, it is ensured that insulating layer 42 and metal shell 41
Binding force, avoid using when insulating layer 42 fall off, influence heat insulating effect.The heat insulation shield using when be wrapped in exhaust
On the outside of pipe, 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.
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 recessed
Convex lines, the concavo-convex lines are punch forming, and moulding process is simple.The exhaust pipe heat insulation shield bumps when in use
Shape lines position has air presence, can make internal heat and extraneous preferably isolation, reduce distributing for heat, improve heat preservation
Heat-insulated effect.Metal shell 41 described in the present embodiment with a thickness of 0.1mm, can either guarantee shell by certain intensity,
It 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 again.
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.
First heat shield 1, the second heat shield 2,3 both ends of third heat shield are respectively provided with welding section, weld in the present embodiment
The width for meeting area is 2mm.By setting welding section and ensure that welding section in certain width, ensure that welding effect, avoids making
It is fallen off with process interval heat cover.And the first heat shield 1 as shown in Figure 1, third heat shield 3 and exhaust pipe surface overlapped bottom surface
On, set step-like for welding section, can also reasonably avoid the insulating layer inside heat shield ensure that beauty after welding,
The guaranteed heat insulation effect of heat shield.
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；It is described
It is 250mm that third heat shield 3, which is wrapped on exhaust pipe in the basal diameter of cylinder,.First heat shield 1, the second heat shield 2,
The width of 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；It is described
It is 450mm that third heat shield 3, which is wrapped on exhaust pipe in the basal diameter of cylinder,.First heat shield 1, the second heat shield 2,
The width of 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 for the rotary table that cover 2 is formed is overlapped and is welded, which forms the upper bottom surface and another first heat shield of rotary table
The bottom surface of 1 formation cylinder 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；It is described
It is 550mm that third heat shield 3, which is wrapped on exhaust pipe in the basal diameter of cylinder,.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 the basic principle of the utility model and specific embodiments, but the utility model is not by above-mentioned reality
The limitation of example is applied, without departing from the purpose of the present invention, industry technical staff can carry out various change to it
And improvement, these changes and improvements are each fallen in the utility model scope of protection.
Claims (9)
1. a kind of exhaust pipe heat insulation shield, including the first heat shield, the second heat shield and 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 is wrapped in exhaust
The basal diameter that pipe surface forms cylinder is 50-300mm；
It is 50-300mm that second heat shield, which is wrapped in exhaust pipe surface and forms the upper bottom surface diameter of rotary table, and bottom surface diameter is
100-600mm；
The basal diameter of the third heat shield is 100-600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415735.0U CN208702512U (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415735.0U CN208702512U (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield |
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| Publication Number | Publication Date |
|---|---|
| CN208702512U true CN208702512U (en) | 2019-04-05 |
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ID=65945520
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821415735.0U Active CN208702512U (en) | 2018-08-30 | 2018-08-30 | A kind of exhaust pipe heat insulation shield |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979820A (en) * | 2018-08-30 | 2018-12-11 | 苏州普科环境技术有限公司 | A kind of exhaust pipe heat insulation shield and installation method |
| 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 |
-
2018
- 2018-08-30 CN CN201821415735.0U patent/CN208702512U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979820A (en) * | 2018-08-30 | 2018-12-11 | 苏州普科环境技术有限公司 | A kind of exhaust pipe heat insulation shield and installation method |
| 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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