CN207934975U - A kind of automobile exhaust catalyst heat shield structure with high stability - Google Patents
A kind of automobile exhaust catalyst heat shield structure with high stability Download PDFInfo
- Publication number
- CN207934975U CN207934975U CN201820223358.4U CN201820223358U CN207934975U CN 207934975 U CN207934975 U CN 207934975U CN 201820223358 U CN201820223358 U CN 201820223358U CN 207934975 U CN207934975 U CN 207934975U
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- China
- Prior art keywords
- metal
- splint
- crimping
- metal splint
- heat shield
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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 Silencers (AREA)
Abstract
The utility model discloses a kind of automobile exhaust catalyst heat shield structures with high stability, including exhaust manifold and ternary catalyzing unit, described exhaust manifold one end is fixedly installed fixing piece, the exhaust manifold other end is set to ternary catalyzing unit one end, it is enclosed with heat shield outside the ternary catalyzing unit, the heat shield includes outer metal splint, thermal insulation layer, interior metal splint, the edge of the interior metal splint is fixedly installed the first metal crimping, the edge of the outer metal splint is fixedly installed the second metal crimping, the thermal insulation layer is wrapped between interior metal splint and outer metal splint.The utility model is arranged the first metal crimping and the second metal crimping and thermal insulation layer is set in the enclosure space that welding surrounds; there are enough spaces to fasten outer metal splint and the welding of interior metal splint; there is high stability, while interior metal splint, thermal insulation layer can play ternary catalyzing unit better protecting effect with outer metal splint in structure.
Description
Technical field
The utility model is related to auto parts and components field, specially a kind of automobile exhaust catalyst with high stability is used
Heat shield structure.
Background technology
Automobile exhaust catalyst is automobile three-way catalysts, is mounted in most important external purification in automobile exhaust system
Device, the pernicious gases such as CO, HC and NOx of vehicle exhaust discharge can be changed into harmless two by it by oxidation and reduction
Carbonoxide, water and nitrogen, since this catalyst converter can convert three kinds of main harmful substances in exhaust gas to innocuous substance simultaneously,
Therefore claim ternary catalyzing unit, when the vehicle exhaust of high temperature passes through purifier, the cleanser in ternary catalyzing unit will enhance CO, HC
With the activity of tri- kinds of gases of NOx, it is promoted to carry out certain oxidationreduction chemical reaction, wherein CO is oxidized at high temperature
Colourless, nontoxic carbon dioxide gas；HC compounds are oxidized to water and carbon dioxide at high temperature；NOx is reduced into nitrogen and oxygen
Gas, three kinds of pernicious gases become innocuous gas, vehicle exhaust are made to be purified.
The outside need package heat shield of ternary catalyzing unit to reduce the heat exchange occurred with external environment inside catalyst converter,
To ensure the condition of high temperature inside catalyst converter, heat shield in the prior art is in the welding process due to internal insulation material
Covering surface is excessive, and heat shield welding is caused to be not sufficiently stable, and being exercised under poor road conditions can cause heat shield weld to be held for a long time
It splits or even falls off.
Utility model content
The purpose of this utility model is to provide a kind of automobile exhaust catalyst heat shield structure with high stability,
To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of automobile exhaust with high stability
Catalyst converter heat shield structure, including exhaust manifold and ternary catalyzing unit, described exhaust manifold one end are fixedly installed fixing piece,
The exhaust manifold other end is set to ternary catalyzing unit one end, is enclosed with heat shield outside the ternary catalyzing unit, it is described every
Heat cover includes outer metal splint, thermal insulation layer, interior metal splint, and the edge of the interior metal splint is fixedly installed the first metallic coil
Side, the edge of the outer metal splint are fixedly installed the second metal crimping, the thermal insulation layer be wrapped in interior metal splint with it is outer
Between metal splint, the outer metal splint is welded with interior metal splint by the first metal crimping and the second metal crimping tight
Gu the heat shield is welded in by the first metal crimping and interior metal splint outside ternary catalyzing unit, the ternary catalyzing unit
It is communicated with exhaust pipe far from exhaust manifold one end.
Preferably, the fixing piece is integrally formed with exhaust manifold, and several screw holes are offered on the fixing piece.
Preferably, the outer metal splint is identical as the size of interior metal splint, and the first of the outer metal splint edge
Metal crimping is identical as the second metal crimp profile at interior metal splint edge.
Preferably, the thermal insulation layer is set to after the first metal crimping and the second metal crimping secure weld and outer metal clip
In the gap that plate and interior metal splint are formed.
Preferably, the width of the first metal crimping and the second metal crimping is more than 1cm.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model in exhaust manifold one end by being arranged fixing piece, by the exhaust manifold other end and ternary catalyzing unit
Connection, in ternary catalyzing unit outside weldings heat shield, heat shield is made of interior metal splint, outer metal splint, thermal insulation layer, interior gold
Belong to clamping plate to fasten by the first metal crimping and the welding of the second metal crimping with outer metal splint and thermal insulation layer is set to welding
In the enclosure space surrounded, the first metal splint and interior metal splint are welded in outside ternary catalyzing unit, in ternary catalyzing unit
Exhaust pipe is arranged in one end, in use, due to the first metal crimping of setting and the second metal crimping and thermal insulation layer is set to welding
In the enclosure space surrounded, there are enough spaces to fasten outer metal splint and the welding of interior metal splint, while the second metallic coil
Side and interior metal splint are fastened with the welding of ternary catalyzing unit outer wall, have high stability in structure, while interior metal splint,
The sandwich structure of thermal insulation layer and outer metal splint can play ternary catalyzing unit better protecting effect.
2, fixing piece and exhaust manifold are integrally formed in the utility model, are offered several screw holes on fixing piece, are convenient for
Fixed exhaust manifold, outer metal splint is identical with the size of interior metal splint, the first metal crimping at outer metal splint edge and
The second metal crimp profile at interior metal splint edge is identical, keeps heat-insulated shroud rim concordant, easy to use, the first metal crimping with
The width of second metal crimping is more than 1cm, increases the width of the first metal crimping and the second metal crimping as possible in desirable range
Degree is to improve welding stability.
Description of the drawings
Fig. 1 is that a kind of automobile exhaust catalyst heat shield structure overall structure with high stability of the utility model is shown
It is intended to；
Fig. 2 is three-element catalytic in a kind of automobile exhaust catalyst heat shield structure with high stability of the utility model
Device internal view；
Fig. 3 is heat shield group in a kind of automobile exhaust catalyst heat shield structure with high stability of the utility model
At schematic diagram.
In figure：1- exhaust manifolds；2- ternary catalyzing units；3- fixing pieces；4- heat shields；The outer metal splints of 41-；42- is heat-insulated
Layer；Metal splint in 43-；431- the first metal crimpings；411- the second metal crimpings；5- exhaust pipes.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of automobile exhaust catalysis with high stability
Device 4 structure of heat shield, including exhaust manifold 1 and ternary catalyzing unit 2,1 one end of the exhaust manifold is fixedly installed fixing piece
3,1 other end of the exhaust manifold is set to 2 one end of ternary catalyzing unit, and heat shield 4 is enclosed with outside the ternary catalyzing unit 2,
The heat shield 4 includes outer metal splint 41, thermal insulation layer 42, interior metal splint 43, and the edge of the interior metal splint 43 is fixed
Be provided with the first metal crimping 431, the edge of the outer metal splint 41 is fixedly installed the second metal crimping 411, it is described every
Thermosphere 42 is wrapped between interior metal splint 43 and outer metal splint 41, and the outer metal splint 41 passes through with interior metal splint 43
First metal crimping 431 and the welding of the second metal crimping 411 fasten, and the heat shield 4 passes through the first metal crimping 431 and interior gold
Belong to clamping plate 43 to be welded in outside ternary catalyzing unit 2, the ternary catalyzing unit 2 is communicated with exhaust pipe 5 far from 1 one end of exhaust manifold.
The fixing piece 3 is integrally formed with exhaust manifold 1, and several screw holes are offered on the fixing piece 3, convenient for fixing
Exhaust manifold 1；The outer metal splint 41 is identical as the size of interior metal splint 43, and the first of 41 edge of outer metal splint
Metal crimping 431 is identical as 411 size of the second metal crimping at 43 edge of interior metal splint, keeps 4 edge of heat shield concordant, convenient
It uses；The thermal insulation layer 42 is set to after 411 secure weld of the first metal crimping 431 and the second metal crimping and outer metal splint
41 and interior metal splint 43 formed gap in；The first metal crimping 431 and the width of the second metal crimping 411 are more than
1cm increases the width of the first metal crimping 431 and the second metal crimping 411 to improve welding stabilization as possible in desirable range
Property.
Operation principle：The utility model by 1 one end of exhaust manifold be arranged fixing piece 3, by 1 other end of exhaust manifold with
Ternary catalyzing unit 2 connects, and in 2 outside weldings heat shield 4 of ternary catalyzing unit, heat shield 4 is by interior metal splint 43, outer metal splint
41, thermal insulation layer 42 forms, and interior metal splint 43 passes through the first metal crimping 431 and the second metal crimping with outer metal splint 41
Thermal insulation layer 42 is simultaneously set in the enclosure space that welding surrounds by 411 welding fastenings, by the first metal splint and interior metal splint
43 are welded in outside ternary catalyzing unit 2, exhaust pipe 5 are arranged in 2 one end of ternary catalyzing unit, in use, since the first metal is arranged
Thermal insulation layer 42 is simultaneously set in the enclosure space that welding surrounds by crimping 431 and the second metal crimping 411, has enough spaces will
Outer metal splint 41 is fastened with the welding of interior metal splint 43, while the second metal crimping 411 is urged with interior metal splint 43 with ternary
Change the welding fastening of 2 outer wall of device, there is high stability, while interior metal splint 43, thermal insulation layer 42 and outer metal clip in structure
The sandwich structure of plate 41 can play ternary catalyzing unit 2 better protecting effect, fixing piece 3 and exhaust discrimination in the utility model
Pipe 1 is integrally formed, and several screw holes are offered on fixing piece 3, convenient for fixed exhaust manifold 1, outer metal splint 41 and interior metal
The size of clamping plate 43 is identical, the second gold medal of the first metal crimping 431 and 43 edge of interior metal splint at 41 edge of outer metal splint
It is identical to belong to 411 size of crimping, keeps 4 edge of heat shield concordant, easy to use, the first metal crimping 431 and the second metal crimping 411
Width be more than 1cm, increase the width of the first metal crimping 431 and the second metal crimping 411 as possible in desirable range to carry
High welding stability.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of automobile exhaust catalyst with high stability is urged with heat shield (4) structure, including exhaust manifold (1) with ternary
Change device (2), it is characterised in that：Described exhaust manifold (1) one end is fixedly installed fixing piece (3), and the exhaust manifold (1) is another
End is set to ternary catalyzing unit (2) one end, and heat shield (4), the heat shield (4) are enclosed with outside the ternary catalyzing unit (2)
Including outer metal splint (41), thermal insulation layer (42), interior metal splint (43), the edge of the interior metal splint (43) is fixedly installed
There is the first metal crimping (431), the edge of the outer metal splint (41) is fixedly installed the second metal crimping (411), described
Thermal insulation layer (42) is wrapped between interior metal splint (43) and outer metal splint (41), the outer metal splint (41) and interior metal
Clamping plate (43) is fastened by the first metal crimping (431) and the welding of the second metal crimping (411), and the heat shield (4) passes through the
One metal crimping (431) is welded in ternary catalyzing unit (2) outside with interior metal splint (43), and the ternary catalyzing unit (2) is separate
Exhaust manifold (1) one end is communicated with exhaust pipe (5).
2. a kind of automobile exhaust catalyst with high stability according to claim 1 heat shield (4) structure, special
Sign is：The fixing piece (3) is integrally formed with exhaust manifold (1), and several screw holes are offered on the fixing piece (3).
3. a kind of automobile exhaust catalyst with high stability according to claim 1 heat shield (4) structure, special
Sign is：The outer metal splint (41) is identical as the size of interior metal splint (43), outer metal splint (41) edge
First metal crimping (431) is identical as second metal crimping (411) size at interior metal splint (43) edge.
4. a kind of automobile exhaust catalyst with high stability according to claim 1 heat shield (4) structure, special
Sign is：The thermal insulation layer (42) is set to after the first metal crimping (431) and second metal crimping (411) secure weld with outside
In the gap that metal splint (41) and interior metal splint (43) are formed.
5. a kind of automobile exhaust catalyst with high stability according to claim 1 heat shield (4) structure, special
Sign is：The first metal crimping (431) and the width of the second metal crimping (411) are more than 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223358.4U CN207934975U (en) | 2018-02-08 | 2018-02-08 | A kind of automobile exhaust catalyst heat shield structure with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223358.4U CN207934975U (en) | 2018-02-08 | 2018-02-08 | A kind of automobile exhaust catalyst heat shield structure with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207934975U true CN207934975U (en) | 2018-10-02 |
Family
ID=63652118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820223358.4U Expired - Fee Related CN207934975U (en) | 2018-02-08 | 2018-02-08 | A kind of automobile exhaust catalyst heat shield structure with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207934975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469390A (en) * | 2019-08-08 | 2019-11-19 | 上海富澳奇机电设备制造有限公司 | A kind of Automobile heat shield |
-
2018
- 2018-02-08 CN CN201820223358.4U patent/CN207934975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469390A (en) * | 2019-08-08 | 2019-11-19 | 上海富澳奇机电设备制造有限公司 | A kind of Automobile heat shield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20190208 |