CN207892689U - A kind of tailpipe with cooling function - Google Patents
A kind of tailpipe with cooling function Download PDFInfo
- Publication number
- CN207892689U CN207892689U CN201820184290.3U CN201820184290U CN207892689U CN 207892689 U CN207892689 U CN 207892689U CN 201820184290 U CN201820184290 U CN 201820184290U CN 207892689 U CN207892689 U CN 207892689U
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- Prior art keywords
- mixing chamber
- tailpipe
- chamber
- groove
- cooling function
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- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model is related to a kind of tailpipes with cooling function, the contraction chamber of circular tube structure is connect by clip with post processor of engine, the one end of contraction chamber far from post processor of engine carries the first groove, first groove end is connect with mixing chamber head end, multiple drainage tubes are along the circumferential direction evenly distributed on mixing chamber, mixing chamber external mix chamber end connects expansion cavity, and expansion cavity includes sequentially connected second groove part, transition part, bending part and rake.The tailpipe of the utility model utilizes venturi principle, so that the exhaust gas of gas at normal temperature and high temperature is mixed by multiple drainage tubes, to realize the effect to cool to high-temp waste gas.
Description
Technical field
The utility model is related to automobile manufacture industries, concretely relate to a kind of tailpipe with cooling function.
Background technology
Motor vehicle exhaust emission is one of important pollution sources of air, and the attention with people to environmental quality, country formulates
Stringenter discharge standard, for six discharge standard of Europe that horse back is implemented, each engine producer has also put into effect corresponding
Policy, wherein grain catcher will be commonly applied in the after-treatment system of vehicle.Grain catcher is periodically regenerated,
Delivery temperature during regeneration can reach 600 DEG C or more, if the delivery temperature of these high temperature is directly discharged among air,
Security risk can be brought to the environment of surrounding.Particularly with needing to improve infrared concealed military use vehicle, exhaust is reduced
Temperature is a urgent problem to be solved.
For rear-engined vehicle, tailpipe is connected on post-processing silencer, and the higher exhaust gas of temperature passes through
Tailpipe is directly discharged in air, and due to the limitation of complete vehicle structure, the length of tailpipe is shorter, and delivery temperature has little time
It reduces, and the opening direction of tailpipe is towards behind car body in existing design, the high-temperature gas given off is easily to vehicle
The subsequent people of body or object cause to scald.
Therefore, a kind of tailpipe neither influencing installation and delivery temperature can be reduced how is designed, is this field skill
Art personnel's urgent problem.
Invention content
The problem of for background technology, in order to overcome the deficiencies of the prior art, the utility model, which discloses one kind, to be had
The tailpipe of cooling function, the device can carry out fast cooling to motor exhaust, and appearance is light, and occupied space is smaller.
A kind of tailpipe with cooling function, including contraction chamber that one end is connected to post processor of engine, it is described
Contraction chamber is circular tube structure, and the one end of the contraction chamber far from post processor of engine carries the first groove, the first groove end
Locate diameter and be less than diameter at beginning, the first groove end is connect with mixing chamber head end, along the circumferential direction uniformly distributed multiple on mixing chamber
The beginning of drainage tube, the drainage tube is extend into inside mixing chamber, mixing chamber end connect expansion cavity, the expansion cavity include according to
The beginning of the second groove part, transition part, bending part and the rake of secondary connection, second groove part connects with mixing chamber, described
The end diameter of second groove part is more than diameter at beginning, and the diameter of the transition part, bending part and rake is equal, described
Rake is opening pipe parallel to the ground.
Preferably, the contraction chamber is connect by clip with post processor of engine；
Preferably, the axis of the drainage tube and the axis of mixing chamber are vertical；
Preferably, the diameter of the mixing chamber is equal with the diameter of the first groove end, the second groove beginning；
Preferably, the contraction chamber, mixing chamber, expansion cavity are connected by welding manner；
Preferably, the drainage tube is connect with mixing chamber by welding manner；
Preferably, the drainage pipe end protrudes from outside mixing chamber.
Advantageous effect acquired by the utility model is：
(1) tailpipe of the utility model utilizes venturi principle, makes gas at normal temperature and high temperature by multiple drainage tubes
Exhaust gas mixed, to realize the effect to cool to high-temp waste gas.
(2) tailpipe of the utility model greatly reduces exhaust temperature under the premise of maintaining original installation space
Degree, eliminates the hidden danger that high-temp waste gas brings ambient enviroment.
(3) the tailpipe opening of the utility model is parallel to the ground, and tail gas is discharged directly to ground, it is therefore prevented that after car body
The people in face and the tail gas pollution of other devices.
(4) tailpipe of the utility model is longer than the tailpipe length of existing design, reduces to a certain extent
Noise pollution.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
The tailpipe structural schematic diagram of Fig. 1 the utility model；
Fig. 2 is the tailpipe axonometric drawing of the utility model；
In figure, 1- contraction chambers, the first grooves of 2-, 3- drainage tubes, 4- mixing chambers, the second groove parts of 5-, 6- transition parts, 7- foldings
Turn of bilge, 8- rakes.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
1 beginning of contraction chamber of a kind of tailpipe with cooling function as shown in Figs. 1-2, circular tube structure passes through clip
It is connect with post processor of engine, the one end of the contraction chamber far from post processor of engine carries the first groove 2, the first groove
2 end diameters are less than diameter at beginning, and 2 end of the first groove is connect with 4 head end of mixing chamber, on mixing chamber 4 along the circumferential direction
Uniformly distributed multiple drainage tubes 3, the axis of drainage tube 3 is vertical with the axis of mixing chamber 4, and the beginning of drainage tube 3 is extend into mixing chamber 4
Portion, drainage pipe end protrude from 4 end of mixing chamber external mix chamber connection expansion cavity, and the expansion cavity includes sequentially connected the
Two groove parts 5, transition part 6, bending part 7 and rake 8, the diameter of mixing chamber 1 and the first groove end, the second groove beginning
Diameter is equal, and the beginning of the second groove part 5 is connect with mixing chamber 4, and the end diameter of the second groove part 5 is straight more than at beginning
Diameter, transition part 6, bending part 7 are equal with the diameter of rake 8, and rake 8 is opening pipe parallel to the ground.The contraction
Chamber, mixing chamber, expansion cavity are connected by welding manner；The drainage tube is connect with mixing chamber also by welding manner.
When practical entrucking, one end of contraction chamber clip is fixed on After-treatment technics silencer, high temperature
After contraction chamber, gas flow rate increases exhaust gas, and then Fluid pressure reduces, in mixing chamber, due to the pressure of gas outside chamber
Higher than the pressure of intracavity gas, therefore, normal temperature air outside mixing chamber by be evenly distributed on surrounding multiple drainage tubes into
Enter into mixing chamber, the air of room temperature carries out cooling treatment in mixing chamber as coolant to high-temp waste gas, after finally cooling down
Exhaust gas by being discharged in air after expansion cavity.
In exhaust process, since the pressure in mixing chamber is less than mixing chamber external pressure, high-temp waste gas will not pass through
Drainage tube is discharged in the external world.
The tailpipe of the utility model utilizes venturi principle, makes the useless of gas at normal temperature and high temperature by multiple drainage tubes
Gas is mixed, to realize the effect to cool to high-temp waste gas.Under the premise of maintaining original installation space, significantly
Ground reduces delivery temperature, eliminates the hidden danger that high-temp waste gas brings ambient enviroment.Tailpipe opening is parallel to the ground,
Directly to ground when tail gas is discharged, it is therefore prevented that the tail gas pollution of car body subsequent people and other devices.The exhaust of the utility model
Tail pipe is longer than the tailpipe length of existing design, reduces noise pollution to a certain extent.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (7)
1. a kind of tailpipe with cooling function, which is characterized in that the receipts being connected to post processor of engine including one end
Contracting chamber, the contraction chamber be circular tube structure, the one end of the contraction chamber far from post processor of engine carry the first groove, first
Groove end diameter is less than diameter at beginning, and the first groove end is connect with mixing chamber head end, on mixing chamber along the circumferential direction
Uniformly distributed multiple drainage tubes, the beginning of the drainage tube are extend into inside mixing chamber, and mixing chamber end connects expansion cavity, the expansion
Chamber includes sequentially connected second groove part, transition part, bending part and rake, the beginning and mixing chamber of second groove part
It connects, the end diameter of second groove part is more than diameter at beginning, the diameter phase of the transition part, bending part and rake
It is opening pipe parallel to the ground Deng, the rake.
2. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the contraction chamber passes through card
Hoop is connect with post processor of engine.
3. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the axis of the drainage tube
It is vertical with the axis of mixing chamber.
4. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the diameter of the mixing chamber
It is equal with the diameter of the first groove end, the second groove beginning.
5. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the contraction chamber, mixing
Chamber, expansion cavity are connected by welding manner.
6. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the drainage tube with mix
Chamber is connected by welding manner.
7. a kind of tailpipe with cooling function as described in claim 1, which is characterized in that the drainage pipe end is convex
Outside mixing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820184290.3U CN207892689U (en) | 2018-02-02 | 2018-02-02 | A kind of tailpipe with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820184290.3U CN207892689U (en) | 2018-02-02 | 2018-02-02 | A kind of tailpipe with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892689U true CN207892689U (en) | 2018-09-21 |
Family
ID=63542923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820184290.3U Active CN207892689U (en) | 2018-02-02 | 2018-02-02 | A kind of tailpipe with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252933A (en) * | 2018-11-29 | 2019-01-22 | 广州瑞南博建环保科技有限公司 | A kind of aeration type air injection valve |
| CN112031906A (en) * | 2020-08-11 | 2020-12-04 | 东风商用车有限公司 | Exhaust tail pipe of hazardous chemical vehicle |
-
2018
- 2018-02-02 CN CN201820184290.3U patent/CN207892689U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252933A (en) * | 2018-11-29 | 2019-01-22 | 广州瑞南博建环保科技有限公司 | A kind of aeration type air injection valve |
| CN112031906A (en) * | 2020-08-11 | 2020-12-04 | 东风商用车有限公司 | Exhaust tail pipe of hazardous chemical vehicle |
| CN112031906B (en) * | 2020-08-11 | 2021-09-21 | 东风商用车有限公司 | Exhaust tail pipe of hazardous chemical vehicle |
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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: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee after: Zhongtong bus Limited by Share Ltd. Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |