CN206190373U - Catalyst converter mounting structure and engine - Google Patents
Catalyst converter mounting structure and engine Download PDFInfo
- Publication number
- CN206190373U CN206190373U CN201621295390.0U CN201621295390U CN206190373U CN 206190373 U CN206190373 U CN 206190373U CN 201621295390 U CN201621295390 U CN 201621295390U CN 206190373 U CN206190373 U CN 206190373U
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- Prior art keywords
- catalyst converter
- mounting structure
- engine
- flat part
- arc
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Abstract
The utility model relates to a catalyst converter installation technical field to a catalyst converter mounting structure and an engine is provided, the catalyst converter mounting structure include: the catalyst converter, the catalyst converter includes catalyst converter body and intake pipe, the one end of intake pipe with the air inlet intercommunication of catalyst converter body, and installing support, the installing support is formed by the metal sheet punching press and connects including flat part and two symmetrically the arc flexion at flat part both ends, the arc flexion with the outer peripheral face of catalyst converter body is connected, the flat part is used for being connected with the installation is basic. Catalyst converter mounting structure have higher rigidity to can improve the natural frequency of engine exhaust system, reduce the engine and take place resonant risk, improve engine NVH performance.
Description
Technical field
The utility model is related to catalyst converter mounting technique field, more particularly to a kind of catalyst converter mounting structure.Additionally, this reality
A kind of engine is further related to new.
Background technology
Catalyst converter is called ternary catalyzing unit, is mounted in most important outer purifier in automobile exhaust system, and it can
The pernicious gases such as carbon monoxide, hydrocarbon and nitrogen oxides that vehicle exhaust is discharged are changed by oxidation and reduction
It is harmless carbon dioxide, water and nitrogen, is then discharged in air.
Increasingly become strict with Abgasgesetz, major automobile factory commercial cities using settling-discharging as main target, therefore, to urging
The design for changing device proposes requirement higher, if the insufficient rigidity of catalyst converter, can cause engine exhaust system modal frequency
It is relatively low, easily coupled with Engine Excitation frequency, resonate, influence engine NVH (noise, vibration and sound vibration roughness) property
Can, consumer can be caused to complain.If catalyst design rigidity is excessive, catalyst converter thermal expansion is limited, causes its thermal stress excessive,
Severe patient can also bring it about destruction, influence its reliability.Available engine catalyst converter mounting bracket insufficient rigidity, engine row
Gas system mode frequency is relatively low, is easily coupled with Engine Excitation frequency, resonates, and produces vibration noise, is transferred to noise
Driver's cabin, influences consumer's ride comfort, causes consumer to complain.
Utility model content
In view of this, the utility model is directed to a kind of rigidity catalyst converter mounting structure higher, to improve engine
The intrinsic frequency of gas extraction system, reduces the risk that engine resonates, and improves engine NVH performances.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of catalyst converter mounting structure, the catalyst converter mounting structure includes：Catalyst converter, the catalyst converter includes catalyst converter
Body and air inlet pipe, one end of the air inlet pipe connect with the air inlet of the catalyst converter body；And mounting bracket, the peace
Dress support is stamped and formed out by metallic plate and the arc-shaped bend at the flat part two ends is symmetrically connected to including flat part and two
Portion, the arc-shaped curvature portion is connected with the outer peripheral face of the catalyst converter body, and the flat part is used to be connected with installation foundation.
Further, installation through-hole being provided with the flat part, is connected with the installation foundation with will pass through fastener.
Further, the catalyst converter mounting structure also include respectively with the flat part and two arc-shaped curvature portions
The reinforcement of connection.
Further, the catalyst converter mounting structure includes two reinforcements, two reinforcements respectively with institute
State between the side edge-justified calibrations of flat part and two arc-shaped curvature portions, and two reinforcements spaced a predetermined distance.
Further, between two reinforcements and the catalyst converter body spaced a predetermined distance.
Further, the reinforcement is welded with the flat part and two arc-shaped curvature portions respectively.
Further, the installation foundation is the gearbox of engine.
Further, the other end of the air inlet pipe is provided with mounting flange, and the other end of the air inlet pipe is by described
Mounting flange is connected with waste pipe.
Further, the arc-shaped curvature portion is welded in the outer peripheral face of the catalyst converter body.
Relative to prior art, catalyst converter mounting structure described in the utility model has the advantage that：
Catalyst converter mounting structure described in the utility model can enter catalyst converter body due to including mounting bracket
One step is installed on installation foundation, so that catalyst converter mounting structure has higher stiffness, and then can improve engine row
The intrinsic frequency of gas system, reduces the risk that engine resonates, and improves engine NVH performances.
Another object of the present utility model is to propose that a kind of intrinsic frequency of gas extraction system is higher, the risk for resonating
It is relatively low and with the engine of NVH performances higher.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of engine, the engine is provided with catalyst converter mounting structure described in the utility model.
The engine had the advantage that relative to prior art with above-mentioned catalyst converter mounting structure it is identical, herein no longer
Repeat.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The exemplary embodiment of type and its illustrate for explaining the utility model, do not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the catalyst converter mounting structure stereogram according to specific embodiment of the present utility model；
Fig. 2 is that catalyst converter mounting structure in Fig. 1 disassembles view；
Fig. 3 is the stereogram of the reinforcement in the catalyst converter mounting structure in Fig. 1.
Description of reference numerals：
1- catalyst converters, 2- catalyst converter bodies, 3- air inlet pipe, 4- mounting brackets, 5- flat parts, 6- arc-shaped curvature portions, 7- peaces
Dress through hole, 8- reinforcements, 9- mounting flanges.
Specific embodiment
It should be noted that in the case where not conflicting, the spy in implementation method and implementation method in the utility model
Levying to be mutually combined.The utility model is described in detail below with reference to the accompanying drawings and with reference to implementation method.
The utility model provides a kind of catalyst converter mounting structure, and specifically, as shown in Figure 1 to Figure 3, the catalyst converter is installed
Structure includes：Catalyst converter 1, the catalyst converter 1 include catalyst converter body 2 and air inlet pipe 3, one end of the air inlet pipe 3 with it is described
The air inlet connection of catalyst converter body 2；And mounting bracket 4, the mounting bracket 4 is stamped and formed out and including flat board by metallic plate
(cross sectional shape of mounting bracket 4 is similar to several for portion 5 and two arc-shaped curvature portions 6 for being symmetrically connected to the two ends of the flat part 5
Font), the arc-shaped curvature portion 6 is connected with the outer peripheral face of the catalyst converter body 2, and the flat part 5 is used for and installation foundation
(such as the miscellaneous part on the gearbox or engine of engine) is connected.
Catalyst converter mounting structure described in the utility model, therefore can be by catalyst converter body 2 due to including mounting bracket 4
It is further fitted on installation foundation, so that catalyst converter mounting structure has higher stiffness, and then engine can be improved
The intrinsic frequency of gas extraction system, reduces the risk that engine resonates, and improves engine NVH performances.
In catalyst converter mounting structure of the present utility model, specifically, installation through-hole 7 is provided with the flat part 5, with
Fastener is will pass through to be connected with the installation foundation.More specifically, the catalyst converter mounting structure also includes being put down with described respectively
Plate portion 5 and two reinforcements 8 of the connection of the arc-shaped curvature portion 6, so as to further improve mounting bracket 4 by the reinforcement 8
Rigidity and intensity, and then further improve the intrinsic frequency of engine exhaust system, reduce the risk that resonates of engine,
Improve engine NVH performances.Further specifically, the catalyst converter mounting structure includes two reinforcements 8, described in two
Reinforcement 8 respectively with the flat part 5 and the side edge-justified calibrations of two arc-shaped curvature portions 6, and two reinforcements 8
Between spaced a predetermined distance (concrete numerical value of the preset distance sets according to the size of fastener), so as to reserve fastener
Installing space, prevent fastener from being interfered with reinforcement 8.
In above-mentioned catalyst converter mounting structure, it is preferable that between two reinforcements 8 and the catalyst converter body 2
Every preset distance (concrete numerical value of the preset distance sets according to the size and the coefficient of expansion of catalyst converter body), so that effectively
Avoid catalyst converter body from thermal expansion occurring and is interfered with reinforcement 8, improve the reliability of catalyst converter.
Furthermore, it is necessary to explanation, specific connected mode between reinforcement 8 and flat part 5 and arc-shaped curvature portion 6 and
Specific connected mode between the outer peripheral face of arc-shaped curvature portion 6 and catalyst converter body 2 can be arranged as required to, it is preferable that on
It is welding to state connected mode.
In catalyst converter mounting structure of the present utility model, specifically, the other end of the air inlet pipe 3 is provided with Method for Installation
Blue 9, the other end of the air inlet pipe 3 is connected by the mounting flange 9 with waste pipe, so as to pass through mounting flange
9 and catalyst converter 1 is arranged on waste pipe, improve the intensity of catalyst converter mounting structure, rigidity and stability.
In addition, the utility model also provides a kind of engine, the engine is provided with catalysis described in the utility model
Device mounting structure.
The engine had the advantage that relative to prior art with above-mentioned catalyst converter mounting structure it is identical, herein no longer
Repeat.
The foregoing is only better embodiment of the present utility model, be not used to limit the utility model, it is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality new
Within the protection domain of type.
Claims (10)
1. a kind of catalyst converter mounting structure, it is characterised in that the catalyst converter mounting structure includes：
Catalyst converter (1), the catalyst converter (1) includes catalyst converter body (2) and air inlet pipe (3), one end of the air inlet pipe (3) with
The air inlet connection of the catalyst converter body (2)；And
Mounting bracket (4), the mounting bracket (4) is stamped and formed out by metallic plate and is symmetrically connected including flat part (5) and two
The arc-shaped curvature portion (6) at the flat part (5) two ends is connected on, the arc-shaped curvature portion (6) is outer with the catalyst converter body (2)
Side face is connected, and the flat part (5) with installation foundation for being connected.
2. catalyst converter mounting structure according to claim 1, it is characterised in that be provided with installation on the flat part (5)
Through hole (7), is connected with will pass through fastener with the installation foundation.
3. catalyst converter mounting structure according to claim 2, it is characterised in that the catalyst converter mounting structure also includes point
The reinforcement (8) not being connected with the flat part (5) and two arc-shaped curvature portions (6).
4. catalyst converter mounting structure according to claim 3, it is characterised in that the catalyst converter mounting structure includes two
The reinforcement (8), two reinforcements (8) respectively with the flat part (5) and the side of two arc-shaped curvature portions (6)
Between justified margin, and two reinforcements (8) spaced a predetermined distance.
5. catalyst converter mounting structure according to claim 4, it is characterised in that two reinforcements (8) are urged with described
Between change device body (2) spaced a predetermined distance.
6. the catalyst converter mounting structure according to any one in claim 3 to 5, it is characterised in that the reinforcement (8)
Welded with the flat part (5) and two arc-shaped curvature portions (6) respectively.
7. catalyst converter mounting structure according to claim 1, it is characterised in that the installation foundation is the speed change of engine
Case.
8. catalyst converter mounting structure according to claim 1, it is characterised in that the other end of the air inlet pipe (3) is set
The other end for having mounting flange (9), the air inlet pipe (3) is connected by the mounting flange (9) with waste pipe.
9. catalyst converter mounting structure according to claim 1, it is characterised in that the arc-shaped curvature portion (6) is welded in institute
State the outer peripheral face of catalyst converter body (2).
10. a kind of engine, it is characterised in that the engine is provided with according to any one in claim 1-9
Catalyst converter mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295390.0U CN206190373U (en) | 2016-11-29 | 2016-11-29 | Catalyst converter mounting structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295390.0U CN206190373U (en) | 2016-11-29 | 2016-11-29 | Catalyst converter mounting structure and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190373U true CN206190373U (en) | 2017-05-24 |
Family
ID=58725563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295390.0U Active CN206190373U (en) | 2016-11-29 | 2016-11-29 | Catalyst converter mounting structure and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190373U (en) |
-
2016
- 2016-11-29 CN CN201621295390.0U patent/CN206190373U/en active Active
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