CN205297776U - Can effectively release mounting structure of EGR valve and cooler assembly thermal stress - Google Patents
Can effectively release mounting structure of EGR valve and cooler assembly thermal stress Download PDFInfo
- Publication number
- CN205297776U CN205297776U CN201521034282.3U CN201521034282U CN205297776U CN 205297776 U CN205297776 U CN 205297776U CN 201521034282 U CN201521034282 U CN 201521034282U CN 205297776 U CN205297776 U CN 205297776U
- Authority
- CN
- China
- Prior art keywords
- cooler
- egr valve
- cylinder body
- assembly
- flange
- 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.)
- Expired - Fee Related
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- Exhaust-Gas Circulating Devices (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a can effectively release mounting structure of EGR valve and cooler assembly thermal stress, including EGR valve and EGR cooler, having interconnect's EGR valve flange and cooler flange on its EGR valve and the EGR cooler, both become the module assembly through flange joint, the module assembly of EGR valve and EGR cooler is installed on the cylinder body through supporting the assembly, supporting the assembly and including that the cylinder body connects the face and is connected two stands of face vertically with the cylinder body, the cylinder body is connected has the cylinder body connecting hole on the face, with have on the first stand of face vertically being connected of cylinder body with the cooler connecting hole of the leg joint of EGR cooler, it has the spacer block on the face vertically second stand to be connected with the cylinder body, the disk seat lower extreme of EGR valve supports the annular knurl of casting and spacer block and laminates. EGR valve disk seat air inlet be the triangle flange, the triangle flange is got the gas port with exhaust manifold and is connected. The utility model discloses the permissible module assembly of above bearing structure has certain amount of slip in the bent axle direction, and effective release improves EGR valve and cooler reliability in bent axle direction thermal stress.
Description
Technical field
This utility model relates to a kind of mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress, belongs to engine part structure and mounting technique field.
Background technology
Egr system gas recirculation system, can effectively reduce amount of nitrogen oxides, in engine art extensive use. For reducing electromotor complete machine space, EGR valve and cooler moduleization design have formed a kind of trend, after modularized design, how EGR valve and cooler assembly effectively discharge thermal stress, reduce the Module Fail answering high temperature to bring, and become difficult point and the emphasis of the design of module fixed support structure.
Summary of the invention
The purpose of this utility model is to design a kind of mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress.
The technical solution of the utility model: a kind of mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress of the present utility model includes EGR valve and cooler for recycled exhaust gas, having interconnective EGR valve flange and flange of cooler in its EGR valve and cooler for recycled exhaust gas, both become module assembly by Flange joint; The module assembly of EGR valve and cooler for recycled exhaust gas is arranged on cylinder body by support assembly; Support assembly includes cylinder body joint face and vertical with cylinder body joint face two columns, cylinder body joint face has cylinder body connecting hole, the cooler connecting hole having the support with cooler for recycled exhaust gas to be connected on the first column vertical with cylinder body joint face, having spacer block on the second column vertical with cylinder body joint face, the valve seat lower end support casting plane of EGR valve is fitted with the annular knurl of spacer block.
Described EGR valve valve seat air inlet is triangle flange, and triangle flange is connected with exhaust manifold air hatch.
Described support assembly main body is iron casting, middle hollow out loss of weight; Spacer block on second column is sheet metal component, L-type structure, and spacer block supporting surface adopts annular knurl design;Spacer block is installed bolt by one and is connected with main body; Support assembly is connected with cylinder body by two fixing bolts.
The support of described cooler for recycled exhaust gas rear end is right angle panel beating support, and support is connected with cooler for recycled exhaust gas body by metal band, and support can do small sliding.
Advantage of the present utility model: structure supported above can allow module assembly to have certain slippage at crankshaft direction, is effectively released in crankshaft direction thermal stress, improves EGR valve and cooler reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of EGR valve.
Fig. 3 is the structural representation of cooler for recycled exhaust gas.
Fig. 4 is the structural representation of support assembly.
Fig. 5 is scheme of installation of the present utility model.
Detailed description of the invention
Fig. 2 is the structural representation of EGR valve: have the EGR valve flange 1a being connected with cooler for recycled exhaust gas in EGR valve 1, and EGR valve flange 1a has connection screw rod 1b, connecting hole 1c; EGR valve 1 valve seat air inlet is triangle flange 1d.
Fig. 3 is the structural representation of cooler for recycled exhaust gas: have the flange of cooler 2a being connected with EGR valve 1 on cooler for recycled exhaust gas 2, flange of cooler 2a has and connects connecting hole 2c corresponding for screw rod 1b and the hole 2b corresponding with connecting hole 1c. The support 2d of cooler for recycled exhaust gas 2 rear end is right angle panel beating support, and support 2d is connected with cooler for recycled exhaust gas 2 body by metal band 2e, and support can do small sliding.
Fig. 4 is the structural representation of support assembly: support assembly 3 main body is the iron casting of middle hollow out, support assembly 3 includes cylinder body joint face and vertical with cylinder body joint face two columns, cylinder body joint face has cylinder body connecting hole 3c, first column vertical with cylinder body joint face has the cooler connecting hole 3b being connected of the support 2d with cooler for recycled exhaust gas 2, second column vertical with cylinder body joint face has spacer block 3a. Spacer block 3a on second column is sheet metal component, L-type structure, and spacer block supporting surface adopts annular knurl design; Spacer block 3a installs bolt by one and connects with main body.
Fig. 1 is structural representation of the present utility model, Fig. 5 is scheme of installation of the present utility model: EGR valve 1 and have interconnective EGR valve flange 1a and flange of cooler 2a on cooler for recycled exhaust gas 2, and both become module assembly by Flange joint; The module assembly of EGR valve 1 and cooler for recycled exhaust gas 2 is arranged on cylinder body 4 by support assembly 3; Module assembly front end is connected with exhaust manifold air hatch by the triangle flange 1d on EGR valve 1 valve seat; In the middle of module, EGR valve 1 valve seat lower end supports casting plane and the laminating of support assembly spacer block 3a annular knurl; The support 2d of module rear end cooler for recycled exhaust gas 2 installs bolt by 2 and connects with the cooler connecting hole 3b of support assembly 3. The cylinder body connecting hole 3c of support assembly 3 is connected with cylinder body 4 by two fixing bolts.
Claims (4)
1. the mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress, including EGR valve (1) and cooler for recycled exhaust gas (2), it is characterized in that: EGR valve (1) and have interconnective EGR valve flange (1a) and flange of cooler (2a) on cooler for recycled exhaust gas (2), both become module assembly by Flange joint; The module assembly of EGR valve (1) and cooler for recycled exhaust gas (2) is arranged on cylinder body by support assembly (3); Support assembly (3) includes cylinder body joint face and vertical with cylinder body joint face two columns, cylinder body joint face has cylinder body connecting hole (3c), first column vertical with cylinder body joint face has the cooler connecting hole (3b) that the support (2d) with cooler for recycled exhaust gas (2) is connected, having spacer block (3a) on the second column vertical with cylinder body joint face, the valve seat lower end support casting plane of EGR valve (1) is fitted with the annular knurl of spacer block (3a).
2. the mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress according to claim 1, it is characterized in that: EGR valve (1) valve seat air inlet is triangle flange (1d), and triangle flange (1d) is connected with exhaust manifold air hatch.
3. the mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress according to claim 1 and 2, it is characterised in that: support assembly (3) main body is iron casting, middle hollow out loss of weight; Spacer block (3a) on second column is sheet metal component, L-type structure, and spacer block supporting surface adopts annular knurl design; Spacer block (3a) is installed bolt by one and is connected with main body; Support assembly (3) is connected with cylinder body (4) by two fixing bolts.
4. the mounting structure that can effectively discharge EGR valve and cooler assembly thermal stress according to claim 1 and 2, it is characterized in that: the support (2d) of cooler for recycled exhaust gas (2) rear end is right angle panel beating support, support (2d) is connected with cooler for recycled exhaust gas (2) body by metal band (2e), and support can do small sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034282.3U CN205297776U (en) | 2015-12-11 | 2015-12-11 | Can effectively release mounting structure of EGR valve and cooler assembly thermal stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034282.3U CN205297776U (en) | 2015-12-11 | 2015-12-11 | Can effectively release mounting structure of EGR valve and cooler assembly thermal stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297776U true CN205297776U (en) | 2016-06-08 |
Family
ID=56431663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034282.3U Expired - Fee Related CN205297776U (en) | 2015-12-11 | 2015-12-11 | Can effectively release mounting structure of EGR valve and cooler assembly thermal stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703961A (en) * | 2016-12-19 | 2017-05-24 | 江苏多为机械工业有限公司 | Connection frame for automobile engine exhaust emission system and production process of connection frame |
| CN110792534A (en) * | 2019-11-28 | 2020-02-14 | 哈尔滨东安汽车动力股份有限公司 | Water outlet adapter of integrated EGR valve |
-
2015
- 2015-12-11 CN CN201521034282.3U patent/CN205297776U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703961A (en) * | 2016-12-19 | 2017-05-24 | 江苏多为机械工业有限公司 | Connection frame for automobile engine exhaust emission system and production process of connection frame |
| CN110792534A (en) * | 2019-11-28 | 2020-02-14 | 哈尔滨东安汽车动力股份有限公司 | Water outlet adapter of integrated EGR valve |
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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: 20160608 Termination date: 20181211 |