CN206694154U - A kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end - Google Patents
A kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end Download PDFInfo
- Publication number
- CN206694154U CN206694154U CN201720458689.1U CN201720458689U CN206694154U CN 206694154 U CN206694154 U CN 206694154U CN 201720458689 U CN201720458689 U CN 201720458689U CN 206694154 U CN206694154 U CN 206694154U
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- CN
- China
- Prior art keywords
- end cap
- housing
- cooler
- exhaust gas
- locating dowel
- 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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end, including hollow housing, one end of the housing is provided with air inlet end cap, and the other end of the housing is provided with outlet end cap, water inlet pipe and outlet pipe are provided with the housing exterior walls, it is characterised in that：Formed with the first locating dowel on the inlet end cover outer wall, formed with the second locating dowel on the outlet side cover outer wall.The utility model in the outer wall of air inlet end cap and outlet end cap by way of setting locating dowel, in the cooler for recycled exhaust gas installation process of special-shaped flange end, stress point is provided for air inlet end cap and outlet end cap, the defects of cooler for recycled exhaust gas of the special-shaped flange end of tradition can not find stress point in installation process is overcome, it is achieved thereby that the convenient installation of the cooler for recycled exhaust gas to special-shaped flange end.
Description
Technical field
It the utility model is related to a kind of cooler for recycled exhaust gas, more particularly to a kind of EGR coolings with the positioning of special-shaped flange end
Device.
Background technology
ERG systems (gas recirculation system) be then it is a kind of be used for reducing in motor vehicle exhaust emission the technology of nitrogen oxides and
Method, reach the product that Europe IV, V standard must use for motor vehicle exhaust emission.The principle of cooler and effect：Automobile is burning
During, 500~600 ° or so of high temperature will be produced, could be flowed back after need to cooling to waste gas, otherwise not reach emission effect, this
One process is then completed in cooler for recycled exhaust gas.If not cooled down to EGR gases, hot recirculating exhaust gas will heat air inlet,
Cause the significantly rise of in-cylinder combustion temperature and pressure, counteracting EGR reduces NOX effect, will also be to engine when serious
The structure of body produces destruction.
General cooler for recycled exhaust gas includes hollow housing, and one end of the housing is provided with air inlet end cap, the housing it is another
End is provided with outlet end cap, and water inlet pipe and outlet pipe are provided with the housing exterior walls, is provided with the air inlet of air inlet end cap
Inlet flange, outlet flange is provided with the gas outlet of outlet end cap, cooler for recycled exhaust gas is connected to by inlet flange and outlet flange
At the waste gas discharge of engine, in order to adapt to the planform of engine, the angle of inclination of inlet flange and outlet flange is different,
So there is the cooler for recycled exhaust gas of special-shaped flange end.Meanwhile cooler for recycled exhaust gas installation process be usually by air inlet end cap,
Outlet end cap is plugged in the both ends of housing, so requires in installation process, the both ends stress of air inlet end cap and outlet end cap.This
Sample, because the air inlet end cap of the cooler for recycled exhaust gas of special-shaped flange end and outlet side are covered and can not caused different with the place of stress
The cooler for recycled exhaust gas installation of shape flange end has difficulties.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, there is provided one kind has special-shaped flange end
The cooler for recycled exhaust gas of portion's positioning, realizes the convenient installation to the cooler for recycled exhaust gas manufacturing process of special-shaped flange end.
Technical scheme is used by the utility model solves above-mentioned technical problem：One kind has the positioning of special-shaped flange end
Cooler for recycled exhaust gas, including hollow housing, one end of the housing be provided with air inlet end cap, and the other end of the housing is provided with
Outlet end cap, water inlet pipe and outlet pipe are provided with the housing exterior walls, it is characterised in that：Formed on the inlet end cover outer wall
There is the first locating dowel, formed with the second locating dowel on the outlet side cover outer wall.
Further, first locating dowel is protruded from air inlet end cap curved outer wall, and second locating dowel protrudes from
On outlet end cap curved outer wall, air inlet and outlet end lid connection reliability, position accuracy are improved, meanwhile, ensure air inlet end cap and go out
Gas press-mounting of end cover in place, ensures fit-up gap, avoids causing the phenomenon of gas leakage.
Further, the axis of first locating dowel and the second locating dowel realizes air inlet end cap on same straight line
With outlet end cap two end axles to straight line stress, prevent from deflecting when cooler for recycled exhaust gas from installing.
Further, positioned at the root of first locating dowel and/or the outlet side on the air inlet end cap inwall
On lid inwall, by setting thickened section, air inlet end cap and outlet are improved positioned at the root of the second locating dowel formed with thickened section
Intensity of the end cap in the junction of locating dowel.
Further, first locating dowel and/or the second locating dowel are step axle construction, first locating dowel
And/or second the big end of locating dowel border on the cooler for recycled exhaust gas, locating dowel small end stress, hold border in cooler for recycled exhaust gas greatly,
When cooler for recycled exhaust gas presses, air inlet end cap is reduced and pressure that outlet side covers.
Further, fixed plate is provided with the both ends of the surface of the housing, is offered in respect to two fixed plates multigroup
Relative mounting hole, is provided with hollow flat tube in the relative mounting hole, along pipe range direction interval on the flat tube
It is provided with multiple translots.Traditional cooling tube is designed to the structure of flat tube by the utility model, expands the inner side of cooling tube
Area, waste gas is increased with cooling down the cooling contact area of Water transport heat, so as to improve cooling effect.
Further, the housing is square tube, sets fluted on the outer wall of the housing, passes through the outer wall in housing
Upper setting groove, then be internally formed projection in housing, and these projections have flow-disturbing effect to cooling water.
Further, the water inlet pipe is arranged on housing and is arranged at close to one end of air inlet end cap, the outlet pipe
It is located on housing close to one end of outlet end cap, the water inlet pipe in the side wall of housing, the outlet pipe is located at the housing
In bottom sidewall, so that water inlet pipe and outlet pipe can be applicable the structure needs of engine.
Further, the water inlet pipe, outlet pipe, air inlet end cap and outlet end cap are plugged on housing, it is described enter
Water pipe, outlet pipe, air inlet end cap and outlet end cap respectively with the connection sealing of housing use Welding together with, using pricker
The mode of weldering, improve sealing effectiveness.
Further, the fixed plate using Welding in the both ends of the housing, the air inlet end cap and described
Formed with being plugged in the both ends of the housing, institute against step, the air inlet end cap and outlet end cap on the inwall of outlet end cap
State fixed plate and compress and be resisted against described against on step, by being positioned against step, help to be fixed plate, have to fixed plate
There is stationary positioned effect, in addition, being easy to the installation of air inlet end cap and outlet end cap.
Compared with prior art, the utility model has the advantage of：The utility model passes through in air inlet end cap and outlet side
The outer wall of lid sets the mode of locating dowel, is air inlet end cap and outlet in the cooler for recycled exhaust gas installation process of special-shaped flange end
End cap provides stress point, and the cooler for recycled exhaust gas for overcoming the special-shaped flange end of tradition can not find stress point in installation process
Defect, it is achieved thereby that the convenient installation of the cooler for recycled exhaust gas to special-shaped flange end.
Brief description of the drawings
Fig. 1 is the contour structures signal of the cooler for recycled exhaust gas in the utility model embodiment with the positioning of special-shaped flange end
Figure；
Fig. 2 is the decomposition texture signal of the cooler for recycled exhaust gas in the utility model embodiment with the positioning of special-shaped flange end
Figure；
Fig. 3 is the structural representation of air inlet end cap in Fig. 2；
Fig. 4 is the structural representations of Fig. 3 in the other directions；
Fig. 5 is the structural representation of flat tube in Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 1 to 5, the cooler for recycled exhaust gas with the positioning of special-shaped flange end in this implementation, including hollow housing
1st, air inlet end cap 2, outlet end cap 3, water inlet pipe 12, outlet pipe 13, fixed plate 4 and flat tube 5.
Wherein, air inlet end cap 2 is arranged on one end of housing 1, and outlet end cap 3 is arranged on the other end of housing 1, the housing
Water inlet pipe 12 and outlet pipe 13 are provided with 1 outer wall, further, the water inlet pipe 12 is arranged on housing 1 close to inlet end
One end of lid 2, the outlet pipe 13 is arranged on housing 1 is located at housing 1 close to one end of outlet end cap 3, the water inlet pipe 12
Side wall on, the outlet pipe 13 is located in the bottom sidewall of the housing 1, so that water inlet pipe 12 and outlet pipe 13 can
The structure needs of engine are applicable, formed with the first locating dowel 21, the outer wall of outlet end cap 3 on the outer wall of air inlet end cap 2
On formed with the second locating dowel 31, wherein, the forming mode of the first locating dowel 21 and the second locating dowel 31 can be described first
Locating dowel 21 is welded on the outer wall of air inlet end cap 2, and second locating dowel 31 is welded on the outer wall of outlet end cap 3, improves first
The connection reliability of the locating dowel 31 of locating dowel 21 and second, meanwhile, sealed in the absence of to air inlet end cap 2 and outlet end cap 3
Problem, avoid causing the phenomenon of gas leakage；Can also be that first locating dowel 21 is protruded from the curved outer wall of air inlet end cap 2, institute
State the second locating dowel 31 to protrude from the curved outer wall of outlet end cap 3, the first locating dowel 21 and the second positioning 31 are using one
Molding mode, the Forming Quality of the first locating dowel 21 and the second locating dowel 31 is improved, further, first locating dowel 21
Axis with the second locating dowel 31 realizes air inlet end cap 2 and the both ends axial direction straight line stress of outlet end cap 3 on same straight line,
Prevent from deflecting when cooler for recycled exhaust gas from installing.
In addition, positioned at the root of first locating dowel 21 and/or the outlet end cap 3 on the inwall of air inlet end cap 2
On inwall, by setting thickened section 22, the He of air inlet end cap 2 is improved positioned at the root of the second locating dowel 31 formed with thickened section 22
Intensity of the outlet end cap 3 in the junction of locating dowel.
In addition, the locating dowel 31 of the first locating dowel 21 and/or second is step axle construction, first locating dowel 21
And/or second the big end of locating dowel 31 border on the cooler for recycled exhaust gas, locating dowel small end stress, hold connect in cooler for recycled exhaust gas greatly
Earth, when cooler for recycled exhaust gas presses, the pressure on air inlet end cap 2 and outlet end cap 3 is reduced, prevents air inlet end cap 2 and outlet side
The local pressure of lid 3 is excessive, causes air inlet end cap 2 and outlet end cap 3 to deform.
Finally, fixed plate 4 is provided with the both ends of the surface of the housing 1, is offered in respect to two fixed plates 4 multigroup relative
Mounting hole, be provided with hollow flat tube 5 in the relative mounting hole, set on the flat tube 5 along pipe range direction interval
It is equipped with multiple translots 51.Traditional cooling tube is designed to the structure of flat tube 5 by the utility model, expands the inner side of cooling tube
Area, waste gas is increased with cooling down the cooling contact area of Water transport heat, so as to improve cooling effect.Further,
The housing 1 is square tube, and fluted 11 are set on the outer wall of the housing 1, by setting groove 11 on the outer wall of housing 1,
Projection then is internally formed in housing 1, these projections have flow-disturbing effect to cooling water.Further, the water inlet pipe, water outlet
Pipe, air inlet end cap and outlet end cap are plugged on housing, the water inlet pipe 12, outlet pipe 13, air inlet end cap 2 and outlet end cap
3 at the connection sealing of housing 1 respectively with, using together with Welding, by the way of soldering, improving sealing effectiveness.Further
Ground, the fixed plate 4 using Welding in the both ends of the housing 1, the air inlet end cap 2 and the outlet end cap 3 it is interior
Formed with being plugged in the both ends of the housing 1, the fixed plate against step 32, the air inlet end cap 2 and outlet end cap 3 on wall
4 compress and are resisted against described against on step 32, by being positioned against step 32, help to be fixed plate 4, have to fixed plate 4
There is stationary positioned effect, in addition, being easy to the installation of air inlet end cap 2 and outlet end cap 3.
To sum up, the utility model in the outer wall of air inlet end cap 2 and outlet end cap 3 by way of setting locating dowel, different
In the cooler for recycled exhaust gas installation process of shape flange end, stress point is provided for air inlet end cap 2 and outlet end cap 3, overcomes tradition
The cooler for recycled exhaust gas of special-shaped flange end can not find the defects of stress point in installation process, it is achieved thereby that to special-shaped flange end
The convenient installation of the cooler for recycled exhaust gas in portion.
Claims (10)
1. a kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end, including hollow housing (1), one end of the housing (1) are set
Air inlet end cap (2) is equipped with, the other end of the housing (1) is provided with outlet end cap (3), is provided with housing (1) outer wall
Water inlet pipe (12) and outlet pipe (13), it is characterised in that：Formed with the first locating dowel (21) on air inlet end cap (2) outer wall,
Formed with the second locating dowel (31) on outlet end cap (3) outer wall.
2. the cooler for recycled exhaust gas according to claim 1 with the positioning of special-shaped flange end, it is characterised in that：Described first
Locating dowel (21) is welded on air inlet end cap (2) outer wall, and second locating dowel (31) is welded on outlet end cap (3) outer wall.
3. the cooler for recycled exhaust gas according to claim 2 with the positioning of special-shaped flange end, it is characterised in that：Described first
The axis of locating dowel (21) and the second locating dowel (31) is on same straight line.
4. the cooler for recycled exhaust gas according to claim 1 with the positioning of special-shaped flange end, it is characterised in that：The air inlet
It is fixed positioned at second on the root of first locating dowel (21) and/or the outlet end cap (3) inwall on end cap (2) inwall
The root of position post (31) is formed with thickened section (22).
5. the cooler for recycled exhaust gas according to claim 4 with the positioning of special-shaped flange end, it is characterised in that：Described first
Locating dowel (21) and/or the second locating dowel (31) are step axle construction, first locating dowel (21) and/or the second locating dowel
(31) big end borders on the cooler for recycled exhaust gas.
6. the cooler for recycled exhaust gas according to claim 5 with the positioning of special-shaped flange end, it is characterised in that：The housing
(1) fixed plate (4) is provided with both ends of the surface, multigroup relative mounting hole, the phase are offered on respect to two fixed plates (4)
To mounting hole in be provided with hollow flat tube (5), be arranged at intervals with multiple translots along pipe range direction on the flat tube (5)
(51)。
7. the cooler for recycled exhaust gas according to claim 6 with the positioning of special-shaped flange end, it is characterised in that：The housing
(1) it is square tube, is set fluted (11) on the outer wall of the housing (1).
8. the cooler for recycled exhaust gas according to claim 7 with the positioning of special-shaped flange end, it is characterised in that：The water inlet
Pipe (12) is arranged at close to one end of air inlet end cap (2) on housing (1), and the outlet pipe (13) is arranged at close on housing (1)
One end of outlet end cap (3), the water inlet pipe (12) are located in the side wall of housing (1), and the outlet pipe (13) is located at the shell
In the bottom sidewall of body (1).
9. the cooler for recycled exhaust gas according to claim 8 with the positioning of special-shaped flange end, it is characterised in that：The water inlet
Pipe (12), outlet pipe (13), air inlet end cap (2) and outlet end cap (3) are plugged on housing (1), the water inlet pipe (12), are gone out
Water pipe (13), air inlet end cap (2) and outlet end cap (3) at the connection sealing of housing (1) respectively together with using Welding.
10. the cooler for recycled exhaust gas according to claim 9 with the positioning of special-shaped flange end, it is characterised in that：The fixation
Plate (4) using Welding in the both ends of the housing (1), on the inwall of the air inlet end cap (2) and the outlet end cap (3)
Formed with against step (32), the air inlet end cap (2) and outlet end cap (3) are plugged in the both ends of the housing (1), described solid
Fixed board (4) compress be resisted against it is described against on step (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458689.1U CN206694154U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458689.1U CN206694154U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694154U true CN206694154U (en) | 2017-12-01 |
Family
ID=60446418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458689.1U Expired - Fee Related CN206694154U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas with the positioning of special-shaped flange end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980999A (en) * | 2020-07-23 | 2020-11-24 | 中国核电工程有限公司 | Special-shaped flange |
-
2017
- 2017-04-27 CN CN201720458689.1U patent/CN206694154U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980999A (en) * | 2020-07-23 | 2020-11-24 | 中国核电工程有限公司 | Special-shaped flange |
| CN111980999B (en) * | 2020-07-23 | 2022-04-12 | 中国核电工程有限公司 | Special-shaped flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |