CN204113494U - A kind of waste gas circulation pipe - Google Patents
A kind of waste gas circulation pipe Download PDFInfo
- Publication number
- CN204113494U CN204113494U CN201320850053.3U CN201320850053U CN204113494U CN 204113494 U CN204113494 U CN 204113494U CN 201320850053 U CN201320850053 U CN 201320850053U CN 204113494 U CN204113494 U CN 204113494U
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- packing ring
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
A kind of waste gas circulation pipe, comprise body, it is characterized in that: described body is bent by Stainless Steel Tube to form, and body is divided into four sections, and wherein first paragraph and second segment are that 140 ~ 160 ° of angles are connected, second segment is connected in 120 ~ 150 ° of angles with the 3rd section, at grade, and in the bending of same direction, the 4th section is that 100 ~ 120 ° of angles are connected with the 3rd section for first paragraph, second segment and the 3rd section, bend in different direction, described body is also arranged with the packing ring for damping.Body is divided into four sections, and arranges packing ring on body, can effectively reduce vibrations and reduce noise; The bending angle of body is reasonable in addition, can guarantee the unimpeded of gas exhaust piping.The utility model is rational in infrastructure, integral rigidity is large, not yielding, has good damping, reduces the effect of noise, can be used in the gas recirculation system of motor, guarantee the unimpeded of pipeline, reduce the discharge of harmful exhaust.
Description
Technical field
The utility model relates to a kind of outlet pipe, especially a kind of waste gas circulation pipe for Motor Vehicle.
Background technique
The noxious emission of motor is the main source causing pollution of atmosphere, along with the significance of environmental protection problem increases increasingly, reduces the important directions that this target of Engine's Harmful Emission becomes development of engine in the world today.In order to reduce the discharge of harmful gas in vehicle travel process, occurred the gas recirculation system for reducing noxious emission at present, the sub-fraction of waste gas diesel engine or petrol engine produced exactly sends cylinder back to again.EGR gas will retarded combustion process owing to having inertia, and that is velocity of combustion will slow down thus cause the pressure initiation process in firing chamber to slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate and total exhaust gas flow can be made to reduce, therefore total in toxic emission pollutant output quantity will reduce relatively.In exhaust gas recirculation event, the structure of waste gas circulation pipe is just extremely important, existing outlet pipe is normally made up of steel pipe, in use shake, noise ratio is larger, and due to rigidity large, require higher when being connected with baffler etc., a little a little bending flaw that waits just there will be the problem do not connected.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of rational in infrastructure, waste gas circulation pipe with cushioning effect.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of waste gas circulation pipe, comprise body, it is characterized in that: described body is bent by Stainless Steel Tube to form, body is divided into four sections, wherein first paragraph and second segment are that 140 ~ 160 ° of angles are connected, second segment is connected in 120 ~ 150 ° of angles with the 3rd section, first paragraph, second segment and the 3rd section are at grade, and in the bending of same direction, 4th section is connected in 100 ~ 120 ° of angles with the 3rd section, bend in different direction, described body is also arranged with the packing ring for damping.
As improvement, the length of described first paragraph be greater than second segment, the 3rd section and the 4th section, the angle of first paragraph and second segment is 150 °, and the angle of second segment and the 3rd section is 140 °, and the 4th section is 110 ° with the angle of the 3rd section.
As improvement, the rear and front end of described body is welded with flange respectively, and the end of described 4th section is provided with the connecting end for adpting flange of bending, this connecting end and described plane being perpendicular.
Improve, described packing ring fixed cover is located at the medium position of described second segment again, and packing ring is provided with the connection collar.
Improve, described packing ring is by the compressing circular sleeve structure of Stainless Steel Cloth again.
Compared with prior art, the utility model has the advantage of: body is divided into four sections, and arranges packing ring on body, vibrations can be effectively reduced and reduce noise; The bending angle of body is reasonable in addition, can guarantee the unimpeded of gas exhaust piping.The utility model is rational in infrastructure, integral rigidity is large, not yielding, has good damping, reduces the effect of noise, can be used in the gas recirculation system of motor, guarantee the unimpeded of pipeline, reduce the discharge of harmful exhaust.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 and Fig. 3 is the structural representation of Fig. 1 in different amount.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figure 1, 2, 3, a kind of waste gas circulation pipe of the present embodiment, comprise body, described body is bent by Stainless Steel Tube to form, body is divided into four sections, wherein first paragraph 1 is connected in 150 ° of angles with second segment 2, second segment 2 is connected in 140 ° of angles with the 3rd section 3, wherein first paragraph 1, second segment 2 and the 3rd section 3 are at grade, and in the bending of same direction, the 4th section 4 is connected in 110 ° of angles with the 3rd section 3, and the bending in different direction, the bending angle of such body is reasonable, can guarantee the unimpeded of gas exhaust piping; The rear and front end of described body is welded with flange 5 respectively, and the end of described 4th section 4 is provided with the connecting end for adpting flange 5 of bending, and the plane being perpendicular at this connecting end and first paragraph 1, second segment 2 and the 3rd section of 3 places, can facilitate the installation of pipeline; Also be arranged with the packing ring 6 for damping at the medium position of the second segment 2 of described body, packing ring 6 is by the compressing circular sleeve structure of Stainless Steel Cloth, and sound construction is not yielding, and packing ring 6 is provided with and connects the collar 7; In addition the length of described first paragraph 1 be greater than second segment 2, the 3rd section 3 and the 4th section 4.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a waste gas circulation pipe, comprise body, it is characterized in that: described body is bent by stainless-steel pipe to form, body is divided into four sections, wherein first paragraph (1) is connected in 140 ~ 160 ° of angles with second segment (2), second segment (2) is connected in 120 ~ 150 ° of angles with the 3rd section (3), first paragraph (1), second segment (2) and the 3rd section (3) are at grade, and in the bending of same direction, 4th section (4) are connected in 100 ~ 120 ° of angles with the 3rd section (3), bend in different direction, described body is also arranged with the packing ring (6) for damping, described packing ring (6) fixed cover is located at the medium position of described second segment (2), and packing ring (6) is provided with and connects the collar (7), described packing ring (6) is by the compressing circular sleeve structure of Stainless Steel Cloth: the length of described first paragraph (1) is greater than second segment (2), the 3rd section (3) and the 4th section (4), first paragraph (1) is 150 ° with the angle of second segment (2), second segment (2) is 140 ° with the angle of the 3rd section (3), and the 4th section (4) are 110 ° with the angle of the 3rd section (3), the rear and front end of described body is welded with flange (5) respectively, and the end of described 4th section (4) is provided with the connecting end for adpting flange (5) of bending, this connecting end and described plane being perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850053.3U CN204113494U (en) | 2013-12-13 | 2013-12-13 | A kind of waste gas circulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850053.3U CN204113494U (en) | 2013-12-13 | 2013-12-13 | A kind of waste gas circulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113494U true CN204113494U (en) | 2015-01-21 |
Family
ID=52330811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320850053.3U Expired - Fee Related CN204113494U (en) | 2013-12-13 | 2013-12-13 | A kind of waste gas circulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089864A (en) * | 2015-09-18 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Built-in type oil-gas separating device |
| CN112038262A (en) * | 2020-07-28 | 2020-12-04 | 厦门通富微电子有限公司 | Exhaust control device |
-
2013
- 2013-12-13 CN CN201320850053.3U patent/CN204113494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089864A (en) * | 2015-09-18 | 2015-11-25 | 安徽江淮汽车股份有限公司 | Built-in type oil-gas separating device |
| CN112038262A (en) * | 2020-07-28 | 2020-12-04 | 厦门通富微电子有限公司 | Exhaust control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20181213 |