CN206386172U - A kind of ternary catalytic converter assembly - Google Patents
A kind of ternary catalytic converter assembly Download PDFInfo
- Publication number
- CN206386172U CN206386172U CN201621493498.0U CN201621493498U CN206386172U CN 206386172 U CN206386172 U CN 206386172U CN 201621493498 U CN201621493498 U CN 201621493498U CN 206386172 U CN206386172 U CN 206386172U
- Authority
- CN
- China
- Prior art keywords
- ternary
- catalytic converter
- catalyzing unit
- converter assembly
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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)
Abstract
The utility model provides a kind of ternary catalytic converter assembly, belongs to automobile technical field.It solves the technical problems such as existing ternary catalytic converter assembly effect of heat insulation is bad.This ternary catalytic converter assembly includes ternary catalyzing unit housing and heat shield, ternary catalyzing unit housing is fixed on the inside of heat shield, the ternary catalytic converter assembly also includes heat insulation foam, heat insulation foam is located between the outer wall of ternary catalyzing unit housing and the inwall of heat shield, and heat insulation foam is coated on the outer wall of ternary catalyzing unit housing.The utility model can play good heat-blocking action, it is to avoid ternary catalyzing unit produces infringement to peripheral component.
Description
Technical field
The utility model belongs to automobile technical field, is related to a kind of ternary catalytic converter assembly.
Background technology
Ternary catalyzing unit is mounted in most important outer purifier in automobile exhaust system, and it can arrange vehicle exhaust
The pernicious gases such as CO, HC and the NOx gone out are changed into harmless carbon dioxide, water and nitrogen by oxidation and reduction.Work as height
When the vehicle exhaust of temperature is by purifier, the cleanser in ternary catalyzing unit will strengthen the work of tri- kinds of gas of CO, HC and NOx
Property, promote it to carry out certain oxidationreduction chemical reaction, wherein CO is oxidized into colourless, nontoxic titanium dioxide at high temperature
Carbon gas, HC compounds are oxidized to water (H20) and carbon dioxide at high temperature, and NOx is reduced into nitrogen and oxygen, and final three kinds have
Evil gas becomes innocuous gas, vehicle exhaust is purified.The waste gas of engine discharge when flowing through ternary catalyzing unit itself
Temperature is very high, so as to cause ternary catalyzing unit its Surrounding Parts to be influenceed by the heat that catalyst converter gives out, crash rate is very high.
In order to solve the above-mentioned technical problem, the Chinese patent literature of Application No. 201310322757.8 discloses one kind three
First catalytic converter assembly, including be welded to connect successively inlet flange, air inlet pipe, air inlet end cone, the housing of built-in three-way catalyst,
Air outlet end cone, escape pipe and outlet flange, the catalytic converter assembly also include housing heat shield, housing heat shield be wrapped in housing it
Outside.
The weak point of above-mentioned catalytic converter assembly is：Housing is directly contacted with heat shield, the interior heat of housing easily from
Housing is transferred on heat shield, causes the effect of heat insulation of catalytic converter assembly poor.
The content of the invention
The utility model for existing technology exist above mentioned problem there is provided a kind of ternary catalytic converter assembly, this practicality
New technical problem to be solved is：How to make catalytic converter assembly preferably heat-insulated.
The purpose of this utility model can be realized by following technical proposal：
A kind of ternary catalytic converter assembly, including ternary catalyzing unit housing and heat shield, the ternary catalyzing unit housing are fixed
In the inside of the heat shield, it is characterised in that the ternary catalytic converter assembly also includes heat insulation foam, the heat insulation foam is located at ternary
Between the outer wall of catalyst converter housing and the inwall of heat shield, the heat insulation foam is coated on the outer wall of ternary catalyzing unit housing.
Operation principle of the present utility model is：Include ternary catalyzing unit housing and heat shield in this ternary catalytic converter assembly,
Heat insulation foam is located between the outer wall of ternary catalyzing unit housing and the inwall of heat shield, it is to avoid ternary catalyzing unit housing and heat shield
Between contact, heat insulation foam blocks distributing for the heat of ternary catalyzing unit enclosure interior, plays good heat-blocking action, it is to avoid
Ternary catalyzing unit produces infringement to peripheral component.
In a kind of above-mentioned ternary catalytic converter assembly, the ternary catalyzing unit housing includes main casing, the main casing
Left end and right-hand member be respectively fixed with air outlet end cone and air inlet end cone, the heat insulation foam from the outer end of air outlet end cone extend into
The outer end of gas end cone.In the structure shown here, the shell of heat insulation foam and ternary catalyzing unit has very big contact area, fills the two
Tap is touched, and ternary catalyzing unit is had more preferable effect of heat insulation.
In a kind of above-mentioned ternary catalytic converter assembly, the outstanding formation boss of outer wall of the heat shield.Outwards refer to
Be that the gap can to the direction away from ternary catalyzing unit housing, inwall and the ternary catalyzing unit housing formation gap of boss
Air is accommodated, air contributes to radiating, therefore the structure makes ternary catalyzing unit have more preferable effect of heat insulation.
In a kind of above-mentioned ternary catalytic converter assembly, the heat shield includes cover body one and cover body two, the cover body one
Edge there is flange one, the edge of the cover body two has flange two, and the cover body one and cover body two are oppositely arranged, described to turn over
Side one reclines with flange two-phase and mutually fixed.Cover body one and cover body two enclose the inner chamber for placing ternary catalyzing unit housing, cover body
One and cover body two can be made up of aludip, steel plate material can increase the intensity of cover body one and cover body two, and aluminizing can be to prevent
Only get rusty.Reclined by flange one and flange two-phase, realize being connected between covering body one and cover body two, bonding strength
Height, flange one and flange two can mutually be fixed by way of spot welding.
In a kind of above-mentioned ternary catalytic converter assembly, installing plate one is fixed with the outer wall of the air outlet end cone, it is described
Offered on installing plate one and installing plate two is fixed with some through holes one, the outer wall of the air inlet end cone, on the installing plate one
Offer through hole two.Through hole one and through hole two are used to wear bolt, by installing plate one and installing plate two, can easily by
Ternary catalytic converter assembly is arranged in the gas extraction system of automobile.
Compared with prior art, advantage of the present utility model is as follows：
1st, in this ternary catalytic converter assembly, heat insulation foam blocks distributing for the heat of ternary catalyzing unit enclosure interior, rises
To good heat-blocking action, it is to avoid ternary catalyzing unit produces infringement to peripheral component.
2nd, in this ternary catalytic converter assembly, inwall and the ternary catalyzing unit housing formation gap of boss, the gap can
Air is accommodated, air contributes to radiating, therefore the structure makes ternary catalyzing unit have more preferable effect of heat insulation.
Brief description of the drawings
Fig. 1 is the structural representation of ternary catalyzing unit housing.
Fig. 2 is the structural representation of ternary catalytic converter assembly.
Fig. 3 is the sectional view of ternary catalytic converter assembly.
Fig. 4 is the structural representation of cover body one.
Fig. 5 is the structural representation of cover body two.
In figure, 1 ternary catalyzing unit housing；1a main casings；1b air outlet end cones；1c air inlet end cones；2 heat shields；2a boss；21
Cover body one；21a flange one；22 cover bodies two；22a flange two；3 heat insulation foams；4 installing plates one；4a through holes one；5 installing plates two；5a leads to
Hole two.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As Figure 1-3, this ternary catalytic converter assembly includes ternary catalyzing unit housing 1 and heat shield 2, ternary catalyzing unit shell
Body 1 is fixed on the inside of heat shield 2, and the ternary catalytic converter assembly also includes heat insulation foam 3, and heat insulation foam 3 is located at ternary catalyzing unit shell
Between the outer wall of body 1 and the inwall of heat shield 2, heat insulation foam 3 is coated on the outer wall of ternary catalyzing unit housing 1.
As shown in figure 1, ternary catalyzing unit housing 1 includes main casing 1a, main casing 1a left end and right-hand member are respectively fixed with
Air outlet end cone 1b and air inlet end cone 1c, heat insulation foam 3 from air outlet end cone 1b outer end extends to air inlet end cone 1c outer end.
In the structure, the shell of heat insulation foam 3 and ternary catalyzing unit has very big contact area, the two is fully contacted, urges ternary
Changing utensil has more preferable effect of heat insulation.
As shown in figure 1, in the present embodiment, being fixed with installing plate 1, installing plate 1 and opening on air outlet end cone 1b outer wall
Provided with some 4a of through hole one, it is fixed with air inlet end cone 1c outer wall on installing plate 25, installing plate 1 and offers the 5a of through hole two.
The 4a of through hole one and the 5a of through hole two are used to wear bolt, by installing plate 1 and installing plate 25, easily can urge ternary
Change device assembly to be arranged in the gas extraction system of automobile.
As shown in Figure 1, it is preferred that the outer wall of heat shield 2 is outstanding to form boss 2a.Outward refer to away from ternary
The direction of catalyst converter housing 1, boss 2a inwall and the formation of ternary catalyzing unit housing 1 gap, the gap can accommodate air, empty
Gas contributes to radiating, therefore the structure makes ternary catalyzing unit have more preferable effect of heat insulation.
As in Figure 3-5, heat shield 2 includes cover body 1 and cover body 2 22, and the edge of cover body 1 has flange one
21a, the edge of cover body 2 22 has the 22a of flange two, and cover body 1 and cover body 2 22 are oppositely arranged, the 21a of flange one and flange two
22a phases recline and mutually fixed.Cover body 1 and cover body 2 22 enclose the inner chamber for placing ternary catalyzing unit housing 1, cover body 1
It can be made up with cover body 2 22 of aludip, steel plate material can increase the intensity of cover body 1 and cover body 2 22, aluminizing can
To prevent from getting rusty.Reclined by the 21a of flange one with the 22a phases of flange two, realize the connection between covering body 1 and cover body 2 22
Fixed, bonding strength is high, and the 21a of flange one can mutually be fixed with the 22a of flange two by way of spot welding.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (5)
1. a kind of ternary catalytic converter assembly, including ternary catalyzing unit housing (1) and heat shield (2), the ternary catalyzing unit housing
(1) it is fixed on the inside of the heat shield (2), it is characterised in that the ternary catalytic converter assembly also includes heat insulation foam (3), described
Heat insulation foam (3) is located between the outer wall of ternary catalyzing unit housing (1) and the inwall of heat shield (2), and the heat insulation foam (3) is coated on
On the outer wall of ternary catalyzing unit housing (1).
2. a kind of ternary catalytic converter assembly according to claim 1, it is characterised in that the ternary catalyzing unit housing (1)
Including main casing (1a), the left end and right-hand member of the main casing (1a) are respectively fixed with air outlet end cone (1b) and air inlet end cone
(1c), the heat insulation foam (3) extends to air inlet end cone (1c) outer end from the outer end of air outlet end cone (1b).
3. a kind of ternary catalytic converter assembly according to claim 1, it is characterised in that the outer wall of the heat shield (2) to
Outer protrusion forms boss (2a).
4. a kind of ternary catalytic converter assembly according to claim 1 or 2 or 3, it is characterised in that heat shield (2) bag
Cover body one (21) and cover body two (22) are included, the edge of the cover body one (21) has flange one (21a), the cover body two (22)
Edge has flange two (22a), and the cover body one (21) and cover body two (22) are oppositely arranged, the flange one (21a) and flange
Two (22a) mutually recline and mutually fixed.
5. a kind of ternary catalytic converter assembly according to claim 2, it is characterised in that the outer wall of the air outlet end cone (1b)
On be fixed with installing plate one (4), the installing plate one (4) and offer some through holes one (4a), the air inlet end cone (1c)
It is fixed with outer wall on installing plate two (5), the installing plate one (4) and offers through hole two (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493498.0U CN206386172U (en) | 2016-12-31 | 2016-12-31 | A kind of ternary catalytic converter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493498.0U CN206386172U (en) | 2016-12-31 | 2016-12-31 | A kind of ternary catalytic converter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386172U true CN206386172U (en) | 2017-08-08 |
Family
ID=59493314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493498.0U Expired - Fee Related CN206386172U (en) | 2016-12-31 | 2016-12-31 | A kind of ternary catalytic converter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386172U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339927A (en) * | 2018-10-24 | 2019-02-15 | 无锡威孚力达催化净化器有限责任公司 | A kind of cartridge type exhaust aftertreatment encapsulation external thermal insulation heat insulation structural |
| CN109973193A (en) * | 2019-03-25 | 2019-07-05 | 迪耐斯排气系统(常州)有限公司 | A kind of heat-insulated safeguard structure of engine exhaust system |
| CN111350573A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Heat shield for engine catalyst |
| CN111350572A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Heat shield for engine catalyst |
-
2016
- 2016-12-31 CN CN201621493498.0U patent/CN206386172U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339927A (en) * | 2018-10-24 | 2019-02-15 | 无锡威孚力达催化净化器有限责任公司 | A kind of cartridge type exhaust aftertreatment encapsulation external thermal insulation heat insulation structural |
| CN111350573A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Heat shield for engine catalyst |
| CN111350572A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Heat shield for engine catalyst |
| CN109973193A (en) * | 2019-03-25 | 2019-07-05 | 迪耐斯排气系统(常州)有限公司 | A kind of heat-insulated safeguard structure of engine exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Address before: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |