CN205936780U - Stainless steel return bend welding exhaust manifold - Google Patents
Stainless steel return bend welding exhaust manifold Download PDFInfo
- Publication number
- CN205936780U CN205936780U CN201620857832.XU CN201620857832U CN205936780U CN 205936780 U CN205936780 U CN 205936780U CN 201620857832 U CN201620857832 U CN 201620857832U CN 205936780 U CN205936780 U CN 205936780U
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- flange
- pipe
- stainless steel
- exhaust manifold
- inlet flange
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Abstract
The utility model discloses a stainless steel return bend welding exhaust manifold, including inlet flange and outlet flange, inlet flange with outlet flange is connected through a plurality of exhaust branch, exhaust branch with set up the nipple joint that two double -phase interconnection are led to between the outlet flange, inlet flange with exhaust branch is last to set up a plurality of heat exchanger supports that separate, the nipple joint is seamless round nozzle stub structure, inlet flange with set up the manifold support between the outlet flange, increase manifold intensity, high -pressure shaping mode made it form a whole in the nipple joint adopted, had improved the product leakproofness, it is integrative become that inlet flange, outlet flange, return bend and nipple joint adopt stainless steel material to weld, has increased the intensity of work piece, improves the gas tightness of product, the utility model discloses a production efficiency is high, good, the surperficial smoothness of air flue of leakproofness, light in weight, long service life.
Description
Technical field
This utility model is related to part of automobile engine technical field, and specially a kind of stainless steel elbow welds aerofluxuss discrimination
Pipe.
Background technology
In order to mitigate weight, cost-effective, the heat-resisting, heat-proof quality of raising, increase the service life, alloy casting structure
Enmgine exhaust gradually bent by stainless steel tube, welding structure replaces.Stainless exhaust manifold generally comprises air inlet
Flange and give vent to anger flange, inlet flange is connected by some exhaust branch pipes with flange of giving vent to anger, described exhaust branch pipe and the method for giving vent to anger
Between orchid, the pipe nipple being interconnected two-by-two is set.Wherein, adopting two Semi separation pressurising molding described pipe nipple more, then fasten welding
Technique make.The major defect that this exhaust manifold exists is：1）Because pipe nipple wall is thin, stainless steel welded poor-performing, send out
Motivation exhaust stroke is discharged gases at high pressure impulsive force and is usually made the axial weld seam rupture of pipe nipple, leads to exhaust manifold fault and serious
The normal operation of impact electromotor, and maintenance difficulty is larger, time-consuming bothersome, hinder the popularization of this new structure；2）Aerofluxuss discrimination
Pipe rigidity is not enough, and the impact of engine high pressure aerofluxuss makes exhaust branch pipe sharp pounding, easily causes the rupture of each welding position, band
Carry out exhaust failure, have a strong impact on the normal operation of electromotor.
A kind of automobile gas exhausting manifold branch being 201520620915.0 propositions in China Patent No., including inlet flange, first
Exhaust manifold, second exhaust manifold, the 3rd exhaust manifold, the 4th exhaust manifold, the 5th exhaust manifold, the 6th exhaust manifold, row
Gas house steward, ternary catalyzing unit, described downtake pipe, second exhaust manifold, the 3rd exhaust manifold, the 4th exhaust manifold, pass through
Inlet flange is connected with engine cylinder body, and described downtake pipe, second exhaust manifold are collected and be connected with the 5th exhaust manifold,
Described 3rd exhaust manifold, the 4th exhaust manifold are collected and are connected with the 6th exhaust manifold, described 5th exhaust manifold, the 6th aerofluxuss
Manifold is collected and is connected with exhaust main, and described exhaust main is connected with described ternary catalyzing unit, using technique scheme, will arrange
Gas manifold goes out two exhaust modes going out using four, can suppress exhaust interference, and lifting cylinder discharges the efficiency of waste gas, and enhancing is started
The low torque of machine exports, and achieves gas manifold with row simultaneously and wraps ternary catalyzing unit, both can make ternary catalyzing unit faster
Reach reaction temperature, assembly space can be saved again.Although above patent can suppress exhaust interference, lifting cylinder discharges waste gas
Efficiency, but the problems referred to above still cannot preferably solve.
Utility model content
The purpose of this utility model is to provide a kind of stainless steel elbow welding exhaust manifold, to solve above-mentioned background technology
The available engine exhaust manifold production efficiency of middle proposition is not high, and operating condition is severe, has the problem of pollution to environment.
For achieving the above object, this utility model provides following technical scheme：A kind of stainless steel elbow welds exhaust manifold,
Including inlet flange and flange of giving vent to anger, described inlet flange is connected by some exhaust branch pipes with described flange of giving vent to anger, described
Exhaust branch pipe and described giving vent to anger arrange the pipe nipple being interconnected two-by-two between flange, on described inlet flange and described exhaust branch pipe
Some bracket for heat insulation covers are set, and described pipe nipple is seamless round short tube structure.
Described inlet flange and described giving vent to anger arrange manifold support between flange.
The quantity of described pipe nipple is two, and the quantity of described exhaust branch pipe is four.
Described pipe nipple is overall compressing structure.
Screwed hole for fastening is provided with described bracket for heat insulation cover.
Bolt hole and screwed hole is had on described inlet flange and flange of giving vent to anger.
Described some exhaust branch pipes are followed successively by the first bend pipe, the second bend pipe, the 3rd bend pipe and the 4th bend pipe, and described first is curved
Pipe is converged with the end of the 3rd bend pipe and is connected with wherein pipe nipple, the end of described second bend pipe and the 4th bend pipe converge and
Another pipe nipple is connected.
Described flange of giving vent to anger, pipe nipple, exhaust branch pipe, inlet flange, bracket for heat insulation cover and menifold support are all with Type of Welding
Connect.
Compared with prior art, the beneficial effects of the utility model are：This utility model is directed in prior art and produces effect
Rate is low, and the probability that leaks air is big and the drawbacks of easily vibration, make pipe nipple, abandon by the way of pipe carries out overall compacting
Originally be split into two halves pipe nipple the mode carrying out punching press and then welding, decreases the probability due to leading to gas leakage weld seam more,
Thus greatly improving the qualification rate of product；And in inlet flange and setting manifold support between flange of giving vent to anger, using the teaching of the invention it is possible to provide
Preferably intensity, it is to avoid the phenomenon of vibration occurs；And the bracket for heat insulation cover on inlet flange and exhaust branch pipe can install heat-insulated
Cover, makes the high-temperature gas that electromotor is discharged obtain isolation, to guarantee to damage the part of electromotor periphery.
Pipe nipple of the present utility model forms it into an entirety using inner high voltage molding mode, improves the sealing of product
Property, improves production efficiency simultaneously, increased exhaustor intensity, make the outward appearance of product more attractive, inlet flange, flange of giving vent to anger,
Exhaust branch pipe, pipe nipple adopt stainless steel material integrally welded, to increase intensity, improve the air-tightness of product；And due to increasing
Add manifold support to make to shake noise reduction, increased the comfortableness of car steering.
Brief description
Fig. 1 is this utility model structural representation.
Fig. 2 is the structural representation of this utility model pipe nipple.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1 and 2, embodiment one：A kind of stainless steel elbow welds exhaust manifold, includes inlet flange 10 and gives vent to anger
Flange 1, described inlet flange 10 is connected by some exhaust branch pipes with described flange 1 of giving vent to anger, described exhaust branch pipe with described
Give vent to anger and the pipe nipple 2 being interconnected two-by-two be set between flange 1, described inlet flange 10 and described exhaust branch pipe are arranged some every
Hot cover stent 8, described pipe nipple 2 is seamless round short tube structure；Described inlet flange 10 and described giving vent to anger arrange discrimination between flange 1
Pipe holder 3；The quantity of described pipe nipple 2 is two, and the quantity of described exhaust branch pipe is four；Described pipe nipple 2 is overall being pressed into
The structure of type；Screwed hole for fastening is provided with described bracket for heat insulation cover 8；Described inlet flange 10 and giving vent to anger on flange 1
Have bolt hole and screwed hole.
The longer path that can increase waste gas of exhaust branch pipe pipeline adopting in this embodiment, and then reduce dividing of noise
Shellfish, and pipe nipple is all exhausted by flange of giving vent to anger at tail gas exclusion end and it can make by way of exhaust branch pipe phase is converged two-by-two
Obtain pipeline space to obtain more reasonably using so that structure is compacter, decrease the generation of vibration simultaneously；And in air inlet method
On orchid, setting bolt hole is easy to inlet flange and is connected with electromotor, and flange of giving vent to anger is provided with screwed hole, to connect outside installation
Part.
Embodiment 2, as shown in Figure 1；Described exhaust branch pipe film block is followed successively by the first bend pipe 9, the second bend pipe 7, the 3rd bend pipe 6
With the 4th bend pipe 5, described first bend pipe 9 converged with the end of the 3rd bend pipe 6 and is connected with wherein pipe nipple 2, and described second
Bend pipe 7 is converged with the end of the 4th bend pipe 5 and is connected with another pipe nipple；Described manifold support 3 and flange 1 and the air inlet method of giving vent to anger
All connected with welding manner between blue 10.
The first bend pipe in this embodiment and the 3rd bend pipe converge, and the second bend pipe is converged with the 4th bend pipe, and manifold support
All be connected by the way of welding with inlet flange and give vent to anger between flange, the intensity of body and stability can be strengthened it is ensured that
It will not produce deformation when using due to jolting and cause structural unstable phenomenon.
Operation principle：Inlet flange and giving vent to anger is welded as a whole using manifold support between flange, has more preferable intensity；This
Hot cover stent on device is used for installing heat shield, makes the high-temperature gas that electromotor is discharged obtain isolation, to guarantee to damage
The part of electromotor periphery；Pipe nipple forms it into an entirety using inner high voltage molding mode, decreases solder side to improve product
Product sealing, improve production efficiency, the outward appearance that increases exhaust manifold intensity, make product are more attractive simultaneously；Inlet flange, method of giving vent to anger
Orchid, bend pipe, pipe nipple adopt stainless steel material integrally welded so that the simple operationss of this apparatus structure are easy.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of stainless steel elbow welds exhaust manifold, includes inlet flange and flange of giving vent to anger, described inlet flange with described go out
Gas flange is connected by some exhaust branch pipes, described exhaust branch pipe and described give vent to anger to arrange between flange be interconnected two-by-two
Pipe nipple it is characterised in that：On described inlet flange and described exhaust branch pipe, some bracket for heat insulation covers are set, described pipe nipple is seamless
Round short tube structure.
2. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：Described inlet flange with described
Give vent to anger and manifold support is set between flange.
3. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：The quantity of described pipe nipple is two
Individual, the quantity of described exhaust branch pipe is four.
4. according to claim 1 or 3 stainless steel elbow welding exhaust manifold it is characterised in that：Described pipe nipple is overall
Compressing structure.
5. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：Set on described bracket for heat insulation cover
It is equipped with the screwed hole for fastening.
6. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：Described inlet flange and giving vent to anger
Bolt hole and screwed hole are had on flange.
7. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：Described some exhaust branch pipes according to
Secondary is the first bend pipe, the second bend pipe, the 3rd bend pipe and the 4th bend pipe, and the end of described first bend pipe and the 3rd bend pipe is converged and it
In a pipe nipple be connected, the end of described second bend pipe and the 4th bend pipe is converged and is connected with another pipe nipple.
8. stainless steel elbow according to claim 1 welding exhaust manifold it is characterised in that：Described flange of giving vent to anger, pipe nipple,
Exhaust branch pipe, inlet flange, bracket for heat insulation cover and menifold support are all connected with Type of Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857832.XU CN205936780U (en) | 2016-08-10 | 2016-08-10 | Stainless steel return bend welding exhaust manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857832.XU CN205936780U (en) | 2016-08-10 | 2016-08-10 | Stainless steel return bend welding exhaust manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205936780U true CN205936780U (en) | 2017-02-08 |
Family
ID=57922268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620857832.XU Active CN205936780U (en) | 2016-08-10 | 2016-08-10 | Stainless steel return bend welding exhaust manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205936780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339122A (en) * | 2021-06-28 | 2021-09-03 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
-
2016
- 2016-08-10 CN CN201620857832.XU patent/CN205936780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339122A (en) * | 2021-06-28 | 2021-09-03 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
| CN113339122B (en) * | 2021-06-28 | 2022-12-13 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |