CN211230653U - Cooler and exhaust gas recirculation module - Google Patents
Cooler and exhaust gas recirculation module Download PDFInfo
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- CN211230653U CN211230653U CN201922208299.0U CN201922208299U CN211230653U CN 211230653 U CN211230653 U CN 211230653U CN 201922208299 U CN201922208299 U CN 201922208299U CN 211230653 U CN211230653 U CN 211230653U
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Abstract
The application relates to the technical field of heat exchange equipment, particularly, relates to cooler and exhaust gas recirculation module, including air chamber and bypass pipe be formed with the bypass pipe socket on the air chamber, the bypass pipe have install in the link of bypass pipe socket, the link does the ascending one end of axial of bypass pipe, the outer wall of link with sealed fixed connection between the inner wall of bypass pipe socket. The application aims to solve the problems of complexity and long time of the existing EGR module production process, and provides a cooler and an exhaust gas recirculation module.
Description
Technical Field
The application relates to the technical field of heat exchange equipment, in particular to a cooler and an exhaust gas recirculation module.
Background
EGR (exhaust gas recirculation) technology is increasingly used in current diesel engines, and with increasingly strict emission regulations, the demand for EGR modularity is also increasing. At present, an EGR module with a bypass structure generally comprises an EGR cooler, a bypass valve, a bypass pipe, flanges, gaskets, bolts and other sub-parts, wherein two ends of the bypass pipe are connected with 2 flanges through brazing, then the two flanges are connected with an air inlet chamber and an air outlet chamber of the EGR cooler through the flanges and the bolts, and the gaskets are arranged between the flanges and the air chamber for sealing. However, 4 bolts need to be screwed for installing the EGR module bypass pipe, and the production process is complicated and long in time.
SUMMERY OF THE UTILITY MODEL
The application aims to solve the problems of complexity and long time of the existing EGR module production process, and provides a cooler and an exhaust gas recirculation module.
In order to achieve the purpose, the following technical scheme is adopted in the application:
one aspect of the application provides a cooler, including an air chamber and a bypass pipe, a bypass pipe socket is formed on the air chamber, the bypass pipe has a connecting end mounted on the bypass pipe socket, and a sealing fixed connection is formed between an outer wall of the connecting end and an inner wall of the bypass pipe socket.
Optionally, a convex hull is formed on an outer wall of the connection end, the convex hull abutting an edge of the bypass pipe socket to limit a depth of insertion of the connection end into the bypass pipe socket.
The technical scheme has the beneficial effects that: the depth of inserting the bypass pipe socket into the connecting end through the convex hull is used for positioning the connection between the bypass pipe and the bypass pipe socket, the bypass pipe and the bypass pipe socket are guaranteed to have proper matched length, the assembly efficiency is improved, and the production time is further shortened.
Optionally, the convex hull extends along the circumferential direction of the bypass pipe, and the convex hull is an annular structure coaxially arranged with the bypass pipe.
The technical scheme has the beneficial effects that: this not only makes the convex closure can fix a position the bypass pipe with being connected of bypass pipe socket in the axial a plurality of positions of bypass pipe, moreover, the edge laminating butt of convex closure and bypass pipe socket can also improve the sealed effect between bypass pipe and the bypass pipe socket, improves sealing performance.
Optionally, the inner wall of the bypass pipe socket and the outer wall of the connecting end are connected by brazing.
The technical scheme has the beneficial effects that: in the traditional sealing mode by adopting a sealing gasket, the gasket is easy to corrode and damage, so that a large leakage risk exists, and the leakage risk is reduced by adopting brazing connection; compared with connection modes such as bonding or clamping, brazing connection can achieve a better sealing effect between the bypass pipe and the socket of the bypass pipe, sealing performance is improved, a sealing gasket can be omitted, the number of parts is reduced, and production cost is reduced.
Optionally, the bypass tube socket is a circular opening and the connecting end is circular in cross-section.
The technical scheme has the beneficial effects that: this makes both the bypass pipe socket and the connection end easier to machine. Of course, it is also possible to make the bypass pipe socket a square opening and correspondingly make the cross-section of the connection end square.
Optionally, the bypass pipe socket is a cartridge structure protruding from an outer wall of the air chamber.
The technical scheme has the beneficial effects that: this has increased the area of bypass pipe socket inner wall, and then has increased the connection area between bypass pipe socket and the link, has improved the joint strength between bypass pipe socket and the link, and has made to a certain extent improved the sealing performance between link and the bypass pipe socket.
Optionally, the number of the air chambers is two, one of the air chambers is an air inlet chamber, the other air chamber is an air outlet chamber, both axial ends of the bypass pipe are the connecting ends, and one of the two connecting ends of the bypass pipe is connected to the air outlet chamber, and the other connecting end of the bypass pipe is connected to the air inlet chamber.
The technical scheme has the beneficial effects that: this makes the bypass pipe all simplified with the connection structure of admitting air chamber and air outlet chamber, has further improved production efficiency to further reduce manufacturing cost.
Optionally, the gas outlet chamber comprises a gas outlet flange, a second body for connecting to the bypass pipe, and a first body for connecting the gas outlet flange and the second body, which are respectively formed by punching.
The technical scheme has the beneficial effects that: traditional air outlet chamber is the stainless steel casting, and manufacturing cost and the processing degree of difficulty are higher, and make air outlet chamber adopt the components of a whole that can function independently structure to carry out stamping production respectively with each part, say again each part fixed connection together, can reduce the production degree of difficulty of cooler, reduction in production cost.
Optionally, the bypass tube has a bellows section between the two connection ends.
Another aspect of the present application provides an exhaust gas recirculation module including the cooler provided herein above.
The technical scheme provided by the application can achieve the following beneficial effects:
according to the cooler and the waste gas recirculation module, during assembly, only the connecting end of the bypass pipe is required to be inserted into the bypass pipe socket, and then the outer wall of the connecting end is fixedly and hermetically connected with the inner wall of the bypass pipe socket, so that the installation steps are simple, and the required time is short; and structures such as mounting flanges and bolts are not needed, so that the mounting steps are simplified, parts are reduced, and the production cost is reduced.
Additional features of the present application and advantages thereof will be set forth in the description which follows, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It should be apparent that the drawings in the following description are embodiments of the present application and that other drawings may be derived from those drawings by a person of ordinary skill in the art without inventive step.
FIG. 1 is a schematic structural diagram of an embodiment of a cooler provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an exploded view of an embodiment of a chiller according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an embodiment of a bypass pipe provided in an embodiment of the present application.
Reference numerals:
100-a bypass pipe;
110-convex hull;
120-a bellows section;
130-a connection end;
200-an air outlet chamber;
210-an outlet flange;
220-a first body;
230-a second body;
231-bypass pipe socket;
300-a cooler core;
400-an inlet chamber.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 4, an aspect of the present application provides a cooler including a plenum on which a bypass pipe socket 231 is formed and a bypass pipe 100 having a connection end 130 mounted to the bypass pipe socket 231, wherein an outer wall of the connection end 130 is fixedly and sealingly connected to an inner wall of the bypass pipe socket 231.
When the cooler provided by the embodiment of the application is assembled, only the connecting end 130 of the bypass pipe 100 is inserted into the bypass pipe socket 231, and then the outer wall of the connecting end 130 is fixedly and hermetically connected with the inner wall of the bypass pipe socket 231, so that the installation step is simple, and the required time is short; and structures such as mounting flanges and bolts are not needed, so that the mounting steps are simplified, parts are reduced, and the production cost is reduced.
Optionally, a convex hull 110 is formed on the outer wall of the connection end 130, and the convex hull 110 abuts the edge of the bypass pipe socket 231 to limit the depth of insertion of the connection end 130 into the bypass pipe socket 231. The depth of the connecting end 130 inserted into the bypass pipe socket 231 is limited by the convex hull 110, so that the connection between the bypass pipe 100 and the bypass pipe socket 231 is positioned, the bypass pipe 100 and the bypass pipe socket 231 are ensured to have proper matching length, the assembly efficiency is improved, and the production time is further shortened.
Optionally, the convex hull 110 extends along the circumferential direction of the bypass pipe 100, and the convex hull 110 is an annular structure coaxially disposed with the bypass pipe 100. This not only enables the convex hull 110 to position the connection between the bypass pipe 100 and the bypass pipe socket 231 at a plurality of positions in the axial direction of the bypass pipe 100, but also enables the edges of the convex hull 110 and the bypass pipe socket 231 to abut against each other, thereby improving the sealing effect between the bypass pipe 100 and the bypass pipe socket 231 and improving the sealing performance.
Optionally, the inner wall of the bypass pipe socket 231 and the outer wall of the connection end 130 are connected by brazing. In the traditional sealing mode by adopting a sealing gasket, the gasket is easy to corrode and damage, so that a large leakage risk exists, and the leakage risk is reduced by adopting brazing connection; compared with the connection mode of bonding or clamping and the like, the brazing connection can achieve a better sealing effect between the bypass pipe 100 and the bypass pipe socket 231, the sealing performance is improved, a sealing gasket can be omitted, the number of parts is reduced, and the production cost is reduced.
Optionally, the bypass tube socket 231 is a circular opening and the connecting end 130 is circular in cross-section. This makes both the bypass tube socket 231 and the connection end 130 easier to machine. Of course, it is also possible to make the bypass pipe socket 231 a square opening and correspondingly make the cross-section of the connection end 130 a square.
Optionally, the bypass pipe socket 231 is a cartridge structure protruding from the outer wall of the air chamber. This has increased the area of bypass pipe socket 231 inner wall, and then has increased the connection area between bypass pipe socket 231 and the link 130, has improved the joint strength between bypass pipe socket 231 and the link 130, and has made to a certain extent improved the sealing performance between link 130 and bypass pipe socket 231.
Optionally, in the cooler provided in the embodiment of the present application, the number of the air chambers is two, one of the air chambers is an inlet chamber 400, the other of the air chambers is an outlet chamber 200, both ends of the bypass pipe 100 in the axial direction are the connecting ends 130, and one of the two connecting ends 130 of the bypass pipe 100 is connected to the outlet chamber 200, and the other of the two connecting ends 130 is connected to the inlet chamber 400. This allows the connection structure of the bypass pipe 100 to both the inlet chamber 400 and the outlet chamber 200 to be simplified, further improving the production efficiency, and further reducing the production cost.
Optionally, the outlet chamber 200 comprises a separately stamped outlet flange 210, a second body 230 for connecting to the bypass pipe 100, and a first body 220 for connecting the outlet flange 210 and the second body 230, and the second body 230 is also used for connecting to the cooler core 300. Traditional air outlet chamber 200 is the stainless steel casting, and manufacturing cost and processing degree of difficulty are higher, and make air outlet chamber 200 adopt the components of a whole that can function independently structure to carry out stamping production respectively with each part, say each part fixed connection together again, can reduce the production degree of difficulty of cooler, reduction in production cost.
Optionally, the bypass pipe 100 has a bellows section 120, the bellows section 120 being located between the two connecting ends 130.
Another aspect of the present application provides an exhaust gas recirculation module including the cooler provided in the embodiments of the present application described above.
The exhaust gas recirculation module provided by the application adopts the cooler provided by the embodiment of the application, and during assembly, only the connecting end 130 of the bypass pipe 100 is required to be inserted into the bypass pipe socket 231, and then the outer wall of the connecting end 130 is fixedly and hermetically connected with the inner wall of the bypass pipe socket 231, so that the installation step is simple, and the required time is short; and structures such as mounting flanges and bolts are not needed, so that the mounting steps are simplified, parts are reduced, and the production cost is reduced.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The cooler is characterized by comprising an air chamber and a bypass pipe, wherein a bypass pipe socket is formed on the air chamber, the bypass pipe is provided with a connecting end mounted on the bypass pipe socket, and the outer wall of the connecting end is fixedly connected with the inner wall of the bypass pipe socket in a sealing manner.
2. The cooler of claim 1, wherein a convex hull is formed on an outer wall of the connection end, the convex hull abutting an edge of the bypass tube socket to limit a depth of insertion of the connection end into the bypass tube socket.
3. The cooler of claim 2, wherein the convex hull extends circumferentially of the bypass tube, and the convex hull is an annular structure disposed coaxially with the bypass tube.
4. The cooler of claim 1, wherein the inner wall of the bypass tube socket is brazed to the outer wall of the connection end.
5. The cooler of claim 1, wherein the bypass tube socket is a circular opening and the connecting end is circular in cross-section.
6. The cooler of claim 1, wherein said bypass tube sockets are cartridge-like structures protruding from an outer wall of said plenum.
7. The cooler according to any one of claims 1 to 6, wherein the number of the air chambers is two, one of the air chambers is an inlet chamber, the other of the air chambers is an outlet chamber, both ends of the bypass pipe in the axial direction are the connection ends, and one of the two connection ends of the bypass pipe is connected to the outlet chamber and the other of the two connection ends is connected to the inlet chamber.
8. The cooler of claim 7, wherein the outlet plenum comprises a separately stamped outlet flange, a second body for coupling to a bypass duct, and a first body for coupling the outlet flange to the second body.
9. The cooler of claim 7, wherein the bypass tube has a bellows section between the two connection ends.
10. An exhaust gas recirculation module, characterized in that it comprises a cooler according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208299.0U CN211230653U (en) | 2019-12-11 | 2019-12-11 | Cooler and exhaust gas recirculation module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208299.0U CN211230653U (en) | 2019-12-11 | 2019-12-11 | Cooler and exhaust gas recirculation module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230653U true CN211230653U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922208299.0U Active CN211230653U (en) | 2019-12-11 | 2019-12-11 | Cooler and exhaust gas recirculation module |
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| Country | Link |
|---|---|
| CN (1) | CN211230653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964507A (en) * | 2020-08-28 | 2020-11-20 | 浙江银轮机械股份有限公司 | Heat exchanger and heat exchange system |
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2019
- 2019-12-11 CN CN201922208299.0U patent/CN211230653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964507A (en) * | 2020-08-28 | 2020-11-20 | 浙江银轮机械股份有限公司 | Heat exchanger and heat exchange system |
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