CN220929543U - Integrated EGR outlet duct subassembly - Google Patents
Integrated EGR outlet duct subassembly Download PDFInfo
- Publication number
- CN220929543U CN220929543U CN202322890309.XU CN202322890309U CN220929543U CN 220929543 U CN220929543 U CN 220929543U CN 202322890309 U CN202322890309 U CN 202322890309U CN 220929543 U CN220929543 U CN 220929543U
- Authority
- CN
- China
- Prior art keywords
- integrated
- cooling water
- water pipe
- air outlet
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000498 cooling water Substances 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 17
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses an integrated EGR (exhaust gas recirculation) air outlet pipe assembly, which relates to the field of parts of automobile engines and comprises an air outlet pipe, a cooling water pipe and a bracket assembly integrated on the air outlet pipe, wherein the cooling water pipe is integrated on the air outlet pipe through the bracket assembly; the cooling water pipe is integrated on the EGR air outlet pipe through the bracket component, so that the assembly is not required by using a tool, the tool cost can be saved, the installation procedure is reduced, and the consistency is higher; the cooling water pipe is fixed to the support component, can avoid the cooling water pipe to collide with other parts when vibrations, promotes the durable while of cooling water pipe, has also optimized engine NVH, arranges compactly, effectively reduces EGR outlet duct height.
Description
Technical Field
The utility model relates to the field of parts of automobile engines, in particular to an integrated EGR (exhaust gas recirculation) air outlet pipe assembly.
Background
EGR is a short term for exhaust gas recirculation (Exhaust Gas Recirculation) and is a technology for re-delivering a small portion of exhaust gas generated by an engine back to a cylinder for re-combustion, specifically, mixing exhaust gas exhausted by the engine with fresh air and then entering the cylinder, and its main purpose is to reduce nitrogen oxide (NOx) emissions in the exhaust gas; the common cooling water pipe and the air outlet pipe of the EGR pipe designed at the present stage are separately designed and are divided into two parts, and then the cooling water pipe and the air outlet pipe are respectively fixed on the cylinder cover, so that the arrangement space requirement is high and the structure is not compact.
Therefore, it is desirable to provide an integrated EGR outlet duct assembly that can integrate the outlet duct and the cooling water pipe, is more compact in arrangement, and can effectively reduce the height of the EGR outlet duct.
Disclosure of utility model
In view of the above, the utility model provides an integrated EGR gas outlet pipe assembly, which can integrate a gas outlet pipe and a cold water pipe, is more compact in arrangement and can effectively reduce the height of the EGR gas outlet pipe.
The integrated EGR gas outlet pipe component provided by the utility model adopts the following technical scheme:
The utility model provides an integrated EGR outlet duct subassembly, includes outlet duct, condenser tube and the support subassembly of integration on the outlet duct, condenser tube passes through the support subassembly integration on the outlet duct.
By adopting the technical scheme, the cooling water pipe is integrated on the EGR air outlet pipe through the bracket component, and the assembly is not required by using tools, so that the tool cost can be saved, the installation procedure is reduced, and the consistency is higher; the cooling water pipe is fixed to the support component, can avoid the cooling water pipe to collide with other parts when vibrations, promotes the durable while of cooling water pipe, has also optimized engine NVH, arranges compactly, effectively reduces EGR outlet duct height.
Further, the support assembly comprises a plurality of support plates integrated on the air outlet pipe, and the cooling water pipe is fixed on the support plates.
Through adopting above-mentioned technical scheme, backup pad and condenser tube pass through welded mode fixed, can also fix condenser tube when reducing space and occupy.
Further, the support assembly further comprises a support frame integrated on the air outlet pipe, the cooling water pipe penetrates through the support frame, a threaded hole is formed in one side of the support frame, and the threaded hole is used for fixing the cooling water pipe through bolts.
Through adopting above-mentioned technical scheme, condenser tube passes the support frame, and the support frame can play the effect of spacing direction to the condenser tube, fixes the condenser tube on the support frame through the bolt simultaneously, can play the effect of reinforcement to the condenser tube, also easy to assemble simultaneously.
Further, the air outlet pipe comprises a plurality of straight pipes, bent pipes used for connecting the straight pipes and bending parts arranged at two ends, and the bending parts are manufactured by adopting a casting process.
Through adopting above-mentioned technical scheme, the bending portion of casting technology preparation can effectively reduce EGR outlet duct height, and occupation space is littleer.
Further, the bending part is provided with an installation part for installing the air outlet pipe on the cylinder body.
Through adopting above-mentioned technical scheme, can fix the outlet duct on engine cylinder body through the installation department.
Further, one of the support plates is integrated on the bent portion at one end, and the rest of the support plates are integrated on the straight pipe.
Through adopting above-mentioned technical scheme, integrate the backup pad respectively on kink and straight tube, can play the effect of direction to the trend of cooling tube for cooling tube's kink angle and direction can be the same with the outlet duct.
Further, a return air port is arranged on the air outlet pipe.
Through adopting above-mentioned technical scheme, can balance the internal pressure of outlet duct through the return air port, it is more smooth and easy to ventilate.
In summary, the present utility model comprises at least one of the following beneficial effects: the cooling water pipe is integrated on the EGR air outlet pipe, so that the assembly is performed without using a tool, the tool cost can be saved, the installation procedure is reduced, and the consistency is higher; the cooling water pipe is fixed by the support plate, so that the cooling water pipe can be prevented from colliding with other parts during vibration, the NVH of the engine is optimized while the cooling water pipe is durable, the arrangement is compact, and the height of an EGR air outlet pipe is effectively reduced; the pipeline is short, and the gas pressure loss is small; high integration, compact arrangement and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals illustrate:
1. An air outlet pipe; 11. a straight pipe; 12. bending the pipe; 13. a bending part; 14. a mounting part; 2. a cooling water pipe; 3. a bracket assembly; 31. a support plate; 32. a support frame; 33. a threaded hole; 4. and a return air port.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses an integrated EGR (exhaust gas recirculation) air outlet pipe assembly. Referring to fig. 1, the integrated EGR gas outlet pipe assembly includes a gas outlet pipe 1, a cooling water pipe 2 and a bracket assembly 3 integrated on the gas outlet pipe 1, wherein the cooling water pipe 2 is integrated on the gas outlet pipe 1 through the bracket assembly 3, and the cooling water pipe 2 is integrated on the gas outlet pipe 1 through the bracket assembly 3 without using tools for assembly, so that the tool cost can be saved, the installation procedure is reduced, and the consistency is higher; the cooling water pipe 2 is fixed to the bracket component 3, can avoid the cooling water pipe 2 to collide with other parts during vibration, improves the durability of the cooling water pipe 2, simultaneously optimizes the NVH of the engine, is compact in arrangement, and effectively reduces the height of the air outlet pipe 1.
In this embodiment, the support assembly 3 includes a plurality of support plates 31 integrated on the air outlet pipe 1, the cooling water pipe 2 is fixed on the support plates 31, the support plates 31 and the cooling water pipe 2 are fixed by welding, the space occupation is reduced, and the cooling water pipe 2 can be fixed at the same time, in this embodiment, two support plates 31 are provided, and in other embodiments, the number of the support plates 31 can be determined according to practical situations.
In this embodiment, the support assembly 3 further includes a support frame 32 integrated on the air outlet pipe 1, the cooling water pipe 2 passes through the support frame 32, a threaded hole 33 is formed in one side of the support frame 32, the threaded hole 33 is used for fixing the cooling water pipe 2 through bolt passing, the cooling water pipe 2 passes through the support frame 32, the support frame 32 can play a role in limiting and guiding the cooling water pipe 2, and meanwhile, the cooling water pipe 2 is fixed on the support frame 32 through bolts, so that the cooling water pipe 2 can be reinforced, and meanwhile, the installation is convenient.
In this embodiment, the air outlet pipe 1 includes a plurality of straight pipes 11, an elbow 12 for connecting the straight pipes 11, and a bending portion 13 disposed at two ends, wherein three sections of straight pipes 11 and two sections of elbow 12, the bending portion 13 is manufactured by adopting a casting process, the bending portion 13 manufactured by the casting process can effectively reduce the height of the air outlet pipe 1, and the occupied space is smaller.
In this embodiment, the bending portion 13 is provided with a mounting portion 14 for mounting the outlet pipe 1 on a cylinder, and the mounting portion 14 can be fixed on the engine cylinder by using bolts, thereby mounting the outlet pipe 1.
In this embodiment, one of the support plates 31 is integrated on the bending portion 13 at one end, the other support plates 31 are integrated on the straight tube 11, and the support plates 31 are respectively integrated on the bending portion 13 and the straight tube 11, so that the direction of the cooling tube 2 can be guided, and the bending angle and direction of the cooling tube 2 can be the same as those of the air outlet tube 1.
In this embodiment, the air outlet pipe 1 is provided with the air return port 4, and the air pressure in the air outlet pipe 1 can be balanced through the air return port 4, so that ventilation is smoother.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this utility model, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the utility model, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.
Claims (7)
1. An integrated EGR outlet duct assembly, characterized by: the cooling water pipe (2) is integrated on the air outlet pipe (1) through the bracket component (3).
2. The integrated EGR outlet tube assembly of claim 1, wherein: the support assembly (3) comprises a plurality of support plates (31) integrated on the air outlet pipe (1), and the cooling water pipe (2) is fixed on the support plates (31).
3. The integrated EGR outlet tube assembly of claim 2, wherein: the support assembly (3) further comprises a support frame (32) integrated on the air outlet pipe (1), the cooling water pipe (2) penetrates through the support frame (32), a threaded hole (33) is formed in one side of the support frame (32), and the threaded hole (33) is used for fixing the cooling water pipe (2) through bolts.
4. The integrated EGR outlet tube assembly of claim 2, wherein: the air outlet pipe (1) comprises a plurality of straight pipes (11), bent pipes (12) used for connecting the straight pipes (11) and bending parts (13) arranged at two ends, and the bending parts (13) are manufactured by adopting a casting process.
5. The integrated EGR outlet tube assembly of claim 4, wherein: the bending part (13) is provided with an installation part (14) for installing the air outlet pipe (1) on the cylinder body.
6. The integrated EGR outlet tube assembly of claim 4, wherein: one of the support plates (31) is integrated on the bending part (13) at one end, and the rest of the support plates (31) are integrated on the straight pipe (11).
7. The integrated EGR outlet tube assembly of claim 1, wherein: the air outlet pipe (1) is provided with an air return port (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890309.XU CN220929543U (en) | 2023-10-27 | 2023-10-27 | Integrated EGR outlet duct subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890309.XU CN220929543U (en) | 2023-10-27 | 2023-10-27 | Integrated EGR outlet duct subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929543U true CN220929543U (en) | 2024-05-10 |
Family
ID=90935883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322890309.XU Active CN220929543U (en) | 2023-10-27 | 2023-10-27 | Integrated EGR outlet duct subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929543U (en) |
-
2023
- 2023-10-27 CN CN202322890309.XU patent/CN220929543U/en active Active
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| GR01 | Patent grant |