CN211782976U - Improved EGR cooling pipe with increased cooling effect - Google Patents
Improved EGR cooling pipe with increased cooling effect Download PDFInfo
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- CN211782976U CN211782976U CN201922006052.0U CN201922006052U CN211782976U CN 211782976 U CN211782976 U CN 211782976U CN 201922006052 U CN201922006052 U CN 201922006052U CN 211782976 U CN211782976 U CN 211782976U
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Abstract
The utility model provides an increase improved generation EGR cooling tube of cooling effect, including being responsible for the body, be responsible for the processing of the body annular outside and be used for changing the spiral groove who is responsible for body inner wall shape, the play water one end of being responsible for the body utilizes the pipe reducer to carry out the first path outlet pipe that the throat shaping is used for reducing the pipe diameter, and this design makes the inequality footpath of being responsible for body both ends, and the air current is through the time, and the velocity of flow changes, is responsible for the body in the middle of the cooling fluid stagnation time and lengthens relatively, and the cooling effect increases.
Description
Technical Field
The utility model relates to an increase improved generation EGR cooling tube of cooling effect belongs to cooling tube technical field.
Background
The cooler is a kind of heat exchange equipment, is used for the cooling fluid, usually water or air is the coolant in order to remove the heat, extensively used in the electrical equipment and supporting as the pure water of the auxiliary machine of cooling protection, the water wind, profit, one of the main fittings of cooler, the cooling tube is often one of the cooling tube, the both ends pipe diameter of the cooling tube is unanimous among the prior art, make the time that the cooling fluid flows in the cooling tube shorter, can influence the cooling effect, need design an improved generation EGR cooling tube that increases the cooling effect to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an increase cooling effect's improved generation EGR cooling tube to the both ends pipe diameter of the cooling tube that proposes in solving above-mentioned background art is unanimous, and the time that makes cooling fluid flow in the cooling tube is shorter, can influence the problem of cooling effect, the utility model discloses make the inequality footpath of being responsible for body both ends, the cooling effect increases.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an increase improved generation EGR cooling tube of cooling effect, includes and is responsible for the body, be responsible for the annular outside processing of body and be used for changing the spiral groove who is responsible for the body inner wall shape, the play water one end of being responsible for the body utilizes the pipe reducer to carry out the first path outlet pipe that the throat shaping is used for reducing the pipe diameter.
Furthermore, the water inlet end of the main pipe body is flared by a pipe expander to form a first large-diameter inlet pipe for increasing the pipe diameter.
Furthermore, the water outlet end of the main pipe body is connected with a first connecting pipe in a brazing mode and extends into the first connecting pipe, one end, far away from the main pipe body, of the first connecting pipe is fixedly connected with the large pipe orifice of the first conical pipe, and the small pipe orifice of the first conical pipe is fixedly connected with the second small-diameter outlet pipe.
Furthermore, the first connecting pipe, the first taper pipe and the second small-diameter outlet pipe are of an integrated structure.
Furthermore, a first chamfer is machined on the inner wall of the first connecting pipe close to the edge of one side of the main pipe body.
Furthermore, one water inlet end of the main pipe body is connected with a second connecting pipe in a brazing mode and extends into the second connecting pipe, one end, far away from the main pipe body, of the second connecting pipe is fixedly connected with a small pipe opening of the second conical pipe, and a large pipe opening of the second conical pipe is fixedly connected with the second large-diameter inlet pipe.
Further, the second connecting pipe, the second taper pipe and the second large-diameter inlet pipe are of an integrated structure.
Furthermore, a second chamfer is processed at the position, close to the edge of one side of the main pipe body, of the inner wall of the second connecting pipe.
The utility model has the advantages that: the utility model discloses an increase cooling effect's improved generation EGR cooling tube.
1. The inner wall of the main pipe body can generate the spiral protrusions through the processing of the spiral grooves, so that cooling fluid in the main pipe body can flow along the tracks formed by the spiral protrusions, the inner surface of the main pipe body can be in full and uniform contact with the cooling fluid, and the heat exchange performance is improved.
2. The diameter of the water outlet end of the main pipe body is reduced, so that unequal diameters of the two ends of the main pipe body are caused, when air flows pass through, the flow speed is changed, the stagnation time of cooling fluid in the middle of the main pipe body is relatively prolonged, and the cooling effect is increased.
3. The diameter of the water inlet end of the main pipe is increased, the unequal diameters of the two ends of the main pipe are caused, the air flow passes through the air flow, the flow speed is changed, the stagnation time of the cooling fluid in the middle of the main pipe is relatively prolonged, and the cooling effect is increased.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of an embodiment 1 of an improved EGR cooling tube for increasing cooling effect;
FIG. 2 is a schematic view of an embodiment 2 of an improved EGR cooling tube for increasing cooling effect;
FIG. 3 is a schematic view of an embodiment 3 of an improved EGR cooling tube for increasing cooling effect;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of an embodiment 4 of an improved EGR cooler tube for increasing cooling effect;
fig. 6 is an exploded view of fig. 5.
In the figure: 1-main pipe body, 2-spiral groove, 3-first small-diameter outlet pipe, 4-first large-diameter inlet pipe, 31-first connecting pipe, 32-first conical pipe, 33-second small-diameter outlet pipe, 41-second connecting pipe, 42-second conical pipe and 43-second large-diameter inlet pipe.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1: referring to fig. 1, an improved EGR cooling tube for increasing cooling effect includes a main tube 1, a spiral groove 2 is formed on an annular outer side of the main tube 1 for changing a shape of an inner wall of the main tube 1, a first small-diameter outlet tube 3 is formed on a water outlet end of the main tube 1 by using a pipe shrinking machine for shrinking a mouth for reducing a diameter of the first small-diameter outlet tube, specifically, the spiral groove 2 is formed for generating a spiral protrusion on the inner wall of the main tube 1, so that a cooling fluid in the main tube 1 flows along a track formed by the spiral protrusion, the inner surface of the main tube 1 can be fully and uniformly contacted with the cooling fluid, heat exchange performance is increased, the first small-diameter outlet tube 3 is formed on the water outlet end of the main tube 1, a diameter of the water outlet end of the main tube 1 is reduced, unequal diameters of two ends of the main tube 1 are caused, when an air flow passes through the first small-diameter outlet tube, a flow, the cooling effect is increased.
Example 2: referring to fig. 2, a first large-diameter inlet pipe 4 for increasing the pipe diameter is formed by flaring a water inlet end of a main pipe body 1 by using a pipe expander, specifically, the first large-diameter inlet pipe 4 is formed by flaring the water inlet end of the main pipe body 1, so that the diameter of the water inlet end of the main pipe body 1 is increased, the diameters of two ends of the main pipe body 1 are different, when an air flow passes through the main pipe body, the flow velocity is changed, the stagnation time of a cooling fluid in the middle of the main pipe body 1 is relatively prolonged, and the cooling effect is increased.
Example 3: referring to fig. 3 and 4, one end of the main pipe body 1, which is exposed from the main pipe body 1, is soldered to the first connection pipe 31 and extends into the first connection pipe 31, one end of the first connection pipe 31, which is far away from the main pipe body 1, is fixedly connected to the large pipe orifice of the first taper pipe 32, and the small pipe orifice of the first taper pipe 32 is fixedly connected to the second small-diameter outlet pipe 33, specifically, the main pipe body 1 with the same diameter at both ends is produced without changing the production mold of the conventional main pipe body 1, the outlet end of the main pipe body 1 is inserted into the first connection pipe 31, and then soldering is performed by using a soldering furnace, so that the main pipe body 1 is fixedly connected to the first connection pipe 31, because the diameter of the second small-diameter outlet pipe 33 is smaller than the diameter of the water inlet end of the main pipe body 1, unequal diameters at both ends of the welded pipe body are caused, when air flows pass through.
The first connecting pipe 31, the first taper pipe 32, and the second small-diameter outlet pipe 33 are of an integrated structure, and particularly, are convenient to produce.
First chamfer is processed to the inner wall of first connecting pipe 31 near the edge position of main pipe 1 side, specifically, makes things convenient for main pipe 1 to insert in first connecting pipe 31, also is convenient for main pipe 1 and first connecting pipe 31 to braze.
Example 4: referring to fig. 5 and 6, a water inlet end of the main pipe body 1 is soldered to the second connection pipe 41 and extends into the second connection pipe 41, an end of the second connection pipe 41 away from the main pipe body 1 is fixedly connected to a small pipe opening of the second taper pipe 42, and a large pipe opening of the second taper pipe 42 is fixedly connected to the second large diameter inlet pipe 43, specifically, the main pipe body 1 with the same diameter at both ends is produced without changing a traditional production mold of the main pipe body 1, an inlet end of the main pipe body 1 is inserted into the second connection pipe 41, and then soldering is performed by using a soldering furnace, so that the main pipe body 1 is fixedly connected to the second connection pipe 41, and as the diameter of the second large diameter inlet pipe 43 is larger than the diameter of the water outlet end of the main pipe body 1, unequal diameters at both ends of the welded pipe body are caused, when air flows pass through, the flow velocity changes, the stagnation time of cooling fluid.
The second connecting pipe 41, the second taper pipe 42, and the second large-diameter inlet pipe 43 are of an integrated structure, and in particular, are convenient to produce.
The second chamfer is processed near the edge of one side of the main pipe body 1 on the inner wall of the second connecting pipe 41, and particularly, the main pipe body 1 is conveniently inserted into the second connecting pipe 41, and the main pipe body 1 and the second connecting pipe 41 are also conveniently brazed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an increase improved generation EGR cooling tube of cooling effect, includes the main pipe body, its characterized in that: the annular outer side of the main pipe body is provided with a spiral groove used for changing the shape of the inner wall of the main pipe body, and the water outlet end of the main pipe body is formed into a first small-diameter outlet pipe with a reduced pipe diameter by using a pipe reducing machine in a necking mode.
2. The improved EGR cooling tube of claim 1 wherein: and the water inlet end of the main pipe body is flared by using a pipe expander to form a first large-diameter inlet pipe for increasing the pipe diameter.
3. The improved EGR cooling tube of claim 1 wherein: the water outlet end of the main pipe body is in braze welding connection with a first connecting pipe and extends into the first connecting pipe, one end, far away from the main pipe body, of the first connecting pipe is fixedly connected with the large pipe orifice of the first conical pipe, and the small pipe orifice of the first conical pipe is fixedly connected with the second small-diameter outlet pipe.
4. The improved EGR cooling tube of claim 3 wherein: the first connecting pipe, the first conical pipe and the second small-diameter outlet pipe are of an integrated structure.
5. The improved EGR cooling tube of claim 3 wherein: and a first chamfer is processed at the position of the inner wall of the first connecting pipe, which is close to the edge of one side of the main pipe body.
6. The improved EGR cooling tube of claim 1 wherein: the water inlet end of the main pipe body is connected with a second connecting pipe in a brazing mode and extends into the second connecting pipe, one end, far away from the main pipe body, of the second connecting pipe is fixedly connected with the small pipe opening of the second taper pipe, and the large pipe opening of the second taper pipe is fixedly connected with the second large-diameter inlet pipe.
7. The improved EGR cooling tube of claim 6 wherein: the second connecting pipe, the second taper pipe and the second large-diameter inlet pipe are of an integrated structure.
8. The improved EGR cooling tube of claim 6 wherein: and a second chamfer is processed at the position, close to the edge of one side of the main pipe body, of the inner wall of the second connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006052.0U CN211782976U (en) | 2019-11-19 | 2019-11-19 | Improved EGR cooling pipe with increased cooling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006052.0U CN211782976U (en) | 2019-11-19 | 2019-11-19 | Improved EGR cooling pipe with increased cooling effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782976U true CN211782976U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006052.0U Active CN211782976U (en) | 2019-11-19 | 2019-11-19 | Improved EGR cooling pipe with increased cooling effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782976U (en) |
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2019
- 2019-11-19 CN CN201922006052.0U patent/CN211782976U/en active Active
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