CN207297136U - A kind of exhaust manifold of anti-deformation and cracking - Google Patents
A kind of exhaust manifold of anti-deformation and cracking Download PDFInfo
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- CN207297136U CN207297136U CN201721343436.6U CN201721343436U CN207297136U CN 207297136 U CN207297136 U CN 207297136U CN 201721343436 U CN201721343436 U CN 201721343436U CN 207297136 U CN207297136 U CN 207297136U
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- exhaust manifold
- air intake
- intake branch
- cracking
- deformation
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Abstract
The utility model provides the exhaust manifold of a kind of anti-deformation and cracking, belong to exhaust manifold processing technique field, air outlet pipe is connected including several air intake branches and with air intake branch convergence several described, the end set inlet flange of the air intake branch, the end set outlet(discharge) flange of the air outlet pipe, the tube wall infall of the adjacent air intake branch is respectively provided with stiffener plate, first reinforcing rib is set inside the air outlet pipe, second reinforcing rib is set on the inlet flange, the side of the air intake branch sets groove, blowpipe is set in the groove, the blowpipe connection, which helps, blows device, set to help on the blowpipe and blow valve.The utility model can carry out cooling and heat dissipation to exhaust manifold, effectively reduce deformation of the exhaust manifold because of the excessive generation of temperature, while the design of reinforcing rib, make the compacter stabilization of exhaust manifold structure, effectively prevent the cracking of exhaust manifold.
Description
Technical field
It the utility model is related to exhaust manifold processing technique field, and in particular to the exhaust discrimination of a kind of anti-deformation and cracking
Pipe.
Background technology
In the multiple cylinder engine carried on the vehicles such as automobile, in order to concentrate the exhaust gas from each exhaust port and incite somebody to action
It imports exhaust pipe, and exhaust manifold is provided with cylinder head.Exhaust manifold generally comprises multiple branch pipe portions and these branch pipe portions
Gather the set pipe portion formed.When the engine runs, the exhaust gas in each cylinder is discharged in each branch pipe portion of exhaust manifold,
The exhaust gas converges in set pipe portion, and is discharged from exhaust outlet.At this time, the exhaust gas temperature being expelled in the exhaust manifold is up to
High temperature more than 800 DEG C.Therefore, exhaust manifold is by exposure to occurring thermal expansion and cause larger deformation in exhaust gas.Such as
The thermal expansion of set pipe portion causes exhaust manifold to be plastically deformed, and tilts the mounting surface of cylinder cover, and finally rupture, exhaust gas
Leakage.Part of this problem between branch pipe portion is particularly susceptible generation.
At present, the flange of the branch tube end of exhaust manifold is easily deformed, flange and the easy gas leakage of tube wall crossover sites, tube wall
It is also easy to produce crackle.Through carefully analyzing research, the structure design for finding currently used exhaust manifold is not quite reasonable.Four manifolds
Structure distribution is not loosely compact.Cause flange distortion and pipe infall cracked.And flange plate structure disperses to cause thermal center
Point is isolated, and no Feeding channel easily produces shrinkage porosite and causes gas leakage.
The patent of Publication No. CN204783212U discloses a kind enmgine exhaust, it includes：It is arranged in juxtaposition
Four branch pipes, four branch pipes converge connection end set outlet(discharge) flange and the four branch pipe other ends set inlet flange, its feature
It is：Four branch pipes, outlet(discharge) flange and the inlet flange for casting integral structure, inlet flange for respectively with four branch pipes pair
The four independent split flanges that should be arranged, leave gap between adjacent split flange, outlet(discharge) flange is longitudinally disposed increasing
Thick flange, connects section on outlet(discharge) flange, section under outlet(discharge) flange is connected after the convergence of two branch pipe of inner side after the convergence of two branch pipe of outside,
The interior crook being connected in each branch pipe with outlet(discharge) flange is provided with casting integrated molding stiffener plate.The utility model can make
Thermal stress when exhaust manifold is heated effectively discharges, and improves exhaust manifold integral strength and durability, but cannot be to being vented discrimination
Pipe radiates, and does not make the temperature of exhaust manifold reduce.
The content of the invention
In view of this, the utility model provides the exhaust manifold of a kind of anti-deformation and cracking, can be to exhaust manifold
Cooling and heat dissipation is carried out, deformation of the exhaust manifold because of the excessive generation of temperature, while the design of reinforcing rib is effectively reduced, makes exhaust discrimination
The compacter stabilization of pipe structure, effectively prevents the cracking of exhaust manifold.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of exhaust manifold of anti-deformation and cracking, including several air intake branches and converged with air intake branch several described
Poly- connection air outlet pipe, the end set inlet flange of the air intake branch, the end set outlet(discharge) flange of the air outlet pipe are described
The tube wall infall of adjacent air intake branch is respectively provided with stiffener plate, and the first reinforcing rib, the entrance are set inside the air outlet pipe
Second reinforcing rib is set on flange, and the side of the air intake branch sets groove, blowpipe set in the groove, the blowpipe connects
Connect to help and blow device, set to help on the blowpipe and blow valve.
Further, the number of the air intake branch is 4.
Further, heat-insulating and shock-absorbing mechanism is set on the outer wall of the exhaust manifold, and the heat-insulating and shock-absorbing mechanism includes setting
Put several springs on the exhaust manifold outer wall and the packing ring being connected with the spring.
Further, it is coated with heat insulating coat on the exhaust manifold.
Further, several vertical bar shape folds are set on the inner wall of the air intake branch.
The beneficial effects of the utility model are：The utility model, can not only by setting reinforcing rib at inlet flange
Firm, stable effect is played, solves problem on deformation, it is often more important that Feeding channel is added, realizes consecutive solidification, solution
The leakage problem produced by shrinkage porosite.The tube wall infall of adjacent air intake branch is respectively provided with stiffener plate, makes compact-sized, avoids
Tube wall cracks.Reinforcing rib is set inside air outlet pipe, increases molten iron Feeding channel, avoids gas leak.
The side of air intake branch sets groove, and blowpipe is set in groove, and blowpipe connection, which helps, blows device, sets to help on blowpipe and blows
Valve, blows device gas is blown into blowpipe, can effectively reduce the temperature on exhaust manifold surface, overcome existing exhaust discrimination by helping
Pipe reduces the deficiency of service life because of heat dissipation effect difference.
Heat-insulating and shock-absorbing mechanism is set on the outer wall of exhaust manifold, and heat-insulating and shock-absorbing mechanism includes being arranged on exhaust manifold outer wall
Several springs and the packing ring that is connected with spring.Heat-insulating and shock-absorbing mechanism can reduce exhaust manifold vehicle vibration it is excessive or
The crackle for being subject to serious vibrations under long-time hot conditions and occurring, reduces exhaust system noise, ensures that heat insulating function is normal,
Improve automobile comfort level.
Heat insulating coat is coated with exhaust manifold, reduces because of exhaust manifold the temperature caused by engine abnormity or other situations
It is excessive, other parts in bad cabin may be baked, scald the risk of maintenance personal.Several are set on the inner wall of air intake branch
Vertical bar shape fold, can increase the thickness of tube wall, increase the stability of structure.Gas flows vertically along the lines of fold, subtracts
The resistance of exhaust in small exhaust manifold, improves exhaust efficiency.
At present, the various types of exhaust manifolds of our company are produced in batches using the structure, and exhaust manifold uses the longevity
Life is extended for original twice, deep by the consistent favorable comment of client.The utility model has the advantage that：1）Help and blow setting for device and blowpipe
Meter effectively reduces the temperature on exhaust manifold surface, substantially reduces the general of deformation that exhaust manifold produces by high temperature and gas leakage
Rate；2）The design of reinforcing rib at three, adds the stability of structure, compacter, adds Feeding channel, solves because of shrinkage porosite
And the problem of cracking produced and gas leakage；3）The utility model stable structure, design is reasonable, and cost is low, significantly extends exhaust discrimination
The service life of pipe.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the second reinforcing rib of the exhaust manifold of the utility model embodiment one and the structure diagram of stiffener plate；
Fig. 2 is the structure diagram of the first reinforcing rib of the exhaust manifold of the utility model embodiment one；
Fig. 3 is the groove of the utility model embodiment one and the side view of blowpipe；
Fig. 4 is that the utility model embodiment one helps the structure diagram for blowing device and blowpipe；
Fig. 5 is the structure diagram of the heat-insulating and shock-absorbing mechanism of the utility model embodiment two；
Fig. 6 is the structure diagram of the vertical bar shape fold of the utility model embodiment three.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The attached drawing 1-6 of type embodiment, is clearly and completely described the technical solution of the utility model embodiment.Obviously, it is described
Embodiment be the utility model part of the embodiment, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment one
Refering to Fig. 1-4, this embodiment offers a kind of anti-deformation and the exhaust manifold of cracking, including several air intake branches 3
Connect air outlet pipe with the convergence of air intake branch several described 3, the end set inlet flange 1 of the air intake branch 3, it is described go out
The end set outlet(discharge) flange 5 of tracheae, the tube wall infall of the adjacent air intake branch 3 are respectively provided with stiffener plate 4, the outlet
The inside of pipe 3 sets the first reinforcing rib 6, and the second reinforcing rib 2 is set on the inlet flange, and the side of the air intake branch 3 is set
Groove 10, the groove 10 is interior to set blowpipe 9, and the connection of blowpipe 9, which helps, blows device 12, sets to help on the blowpipe 12 and blows valve 11.
The number of the air intake branch 3 is 4.
Wherein, from left to right, the first air intake branch, the second air intake branch, are followed successively by refering to Fig. 1, the air intake branch 3
Three air intake branches and the 4th air intake branch.The second reinforcing rib set on inlet flange on first air intake branch and the second air inlet
Gap is left between inlet flange on branch pipe；The second reinforcing rib and the 3rd set on inlet flange on 4th air intake branch
Gap is left between inlet flange on air intake branch.The width in gap is 5mm, for exhaust manifold high-temperature expansion deformation reserved one
Fixed expansion space, prevents flange high temp crimp and causes exhaust manifold to crack.Stiffener plate 4 may be provided at the first air inlet
Between the tube wall of branch pipe and the second air intake branch and between the 3rd air intake branch and the 4th air intake branch, gas leakage is avoided.Can be at 4
The side of air intake branch 3 is respectively provided with groove, is set in groove with helping the blowpipe for blowing device and being connected, cold for blowing branch pipe wall
Gas, makes its cooling.Inlet flange and outlet(discharge) flange are welded on the end of air intake branch and air outlet pipe, and are bolted,
It is very firm.The material of exhaust manifold is high nickel class and high silicon molybdenum ductile iron.
Embodiment two
A kind of anti-deformation and the exhaust manifold of cracking that the embodiment provides are changing of being carried out on the basis of embodiment one
Into：Heat-insulating and shock-absorbing mechanism is set on the outer wall of the exhaust manifold, and the heat-insulating and shock-absorbing mechanism includes being arranged on the exhaust discrimination
Several springs 7 in pipe outer wall and the packing ring 8 being connected with the spring 7.
Refering to Fig. 5, the number of spring 7 is 4, is to be welded to connect between spring 7 and air intake branch 3 and packing ring 8, pad
The material of circle 8 is steel plate.
Embodiment three
Refering to Fig. 6, a kind of anti-deformation and the exhaust manifold of cracking which provides are on the basis of embodiment two
The improvement of progress：Heat insulating coat is coated with the exhaust manifold.Several vertical bar shape pleats are set on the inner wall of the air intake branch 3
Wrinkle 13.
The heat insulating coat is ZS-1 insulating moulding coatings.The width of the vertical bar shape fold 13 is 3mm, two neighboring fold it
Between distance be 5mm.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (5)
1. the exhaust manifold of a kind of anti-deformation and cracking, including several air intake branches and converged with air intake branch several described
Connect air outlet pipe, the end set inlet flange of the air intake branch, the end set outlet(discharge) flange of the air outlet pipe, its feature
It is：The tube wall infall of the adjacent air intake branch is respectively provided with stiffener plate, and the first reinforcing rib is set inside the air outlet pipe,
Second reinforcing rib is set on the inlet flange, and the side of the air intake branch sets groove, blowpipe, institute are set in the groove
State blowpipe connection and help and blow device, set to help on the blowpipe and blow valve.
2. the exhaust manifold of a kind of anti-deformation as claimed in claim 1 and cracking is characterized in that：Of the air intake branch
Number is 4.
3. the exhaust manifold of a kind of anti-deformation as claimed in claim 1 and cracking, it is characterised in that：Outside the exhaust manifold
Heat-insulating and shock-absorbing mechanism is set on wall, and the heat-insulating and shock-absorbing mechanism includes several springs being arranged on the exhaust manifold outer wall
The packing ring being connected with the spring.
4. the exhaust manifold of a kind of anti-deformation as claimed in claim 1 and cracking, it is characterised in that：Applied on the exhaust manifold
If heat insulating coat.
5. the exhaust manifold of a kind of anti-deformation as claimed in claim 1 and cracking is characterized in that：The air intake branch it is interior
Several vertical bar shape folds are set on wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343436.6U CN207297136U (en) | 2017-10-18 | 2017-10-18 | A kind of exhaust manifold of anti-deformation and cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343436.6U CN207297136U (en) | 2017-10-18 | 2017-10-18 | A kind of exhaust manifold of anti-deformation and cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297136U true CN207297136U (en) | 2018-05-01 |
Family
ID=62273182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721343436.6U Active CN207297136U (en) | 2017-10-18 | 2017-10-18 | A kind of exhaust manifold of anti-deformation and cracking |
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| Country | Link |
|---|---|
| CN (1) | CN207297136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022167A (en) * | 2019-12-11 | 2020-04-17 | 河南飞龙(芜湖)汽车零部件有限公司 | Novel automobile exhaust manifold assembly structure easy to install |
-
2017
- 2017-10-18 CN CN201721343436.6U patent/CN207297136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022167A (en) * | 2019-12-11 | 2020-04-17 | 河南飞龙(芜湖)汽车零部件有限公司 | Novel automobile exhaust manifold assembly structure easy to install |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 474550 No. 258, East Section of Century Avenue, Xixia County, Nanyang City, Henan Province Patentee after: Xixia Feilong Special Casting Co.,Ltd. Address before: 474550 No. 258, East Section of Century Avenue, Xixia County, Nanyang City, Henan Province Patentee before: XIXIA COUNTY XIBENG SPECIAL FOUNDRY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |