CN112683098B - Dislocation dotting oil cooler pipe - Google Patents
Dislocation dotting oil cooler pipe Download PDFInfo
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- CN112683098B CN112683098B CN202011640095.5A CN202011640095A CN112683098B CN 112683098 B CN112683098 B CN 112683098B CN 202011640095 A CN202011640095 A CN 202011640095A CN 112683098 B CN112683098 B CN 112683098B
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- oil cooler
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- 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
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Abstract
The invention discloses an oil cooler pipe with staggered dotting, which comprises a pipe body, wherein a first groove and a second groove which are mutually perpendicular in the axial direction are respectively arranged on the upper surface and the lower surface of the pipe body, and an inward-sinking reinforcing rib is also arranged on the pipe body. The two ends of the tube body are also provided with reinforcing sheets or bending parts. The staggered dotting oil cooler tube is internally provided with a plurality of oil passing channels, and the cross staggered design enhances the turbulence effect, so that the oil cooler tube can have better turbulence effect without using inner fins. The dislocated dotting oil cooler pipe has larger working pressure, and can ensure the pressure intensity of the inlet end and the outlet end of the oil cooler pipe, so that lubricating oil can smoothly pass through. And need not to use the inner fin, reduced the weight of body, be favorable to reducing the whole weight of oil cooler, high-strength oil cooler pipe has also prolonged the life of oil cooler. The invention has simple structure, convenient installation, high lubricating oil cooling efficiency, low raw material cost and good application prospect.
Description
Technical Field
The invention relates to the technical field of automobile radiator components, in particular to an oil cooler pipe with staggered dotting.
Background
When an automobile runs, the temperature of the contained lubricating oil in the gearbox is continuously increased due to power transmission, if the temperature of the lubricating oil is too high, the lubricating oil possibly boils to lose the lubricating effect, so that the gears are easy to wear, and how to ensure that the temperature of the lubricating oil in the gearbox is not too high becomes a very important subject. In the existing automobile structure configuration, oil cooler pipes are arranged for cooling lubricating oil, so that the oil temperature is ensured to be within a normal working range.
The automobile oil cooler comprises an oil cooler pipe body, wherein the oil cooler pipe body is provided with an inner layer pipe wall and an outer layer pipe wall, the pipe ends of the inner layer pipe wall and the outer layer pipe wall are sealed and sealed, an oil passing cavity is formed in the middle of the inner layer pipe wall and the outer layer pipe wall, one end of the outer layer pipe wall of the oil cooler pipe body is provided with an oil inlet, the other end of the outer layer pipe wall is provided with an oil outlet, the oil inlet and the oil outlet are both communicated with the oil passing cavity, and the inner hole and the outer wall of the oil cooler pipe body are in contact with cooling water when engine oil is cooled. However, the cooling area of the pipe body is limited, and a better engine oil cooling effect cannot be achieved.
Secondly, when the oil cooler pipe body is assembled into an oil cooler, the welding strength is insufficient due to unreasonable structural design, so that the working pressure which the oil cooler pipe body can bear during working is smaller, the pressure strength of the inlet and outlet ends of the oil cooler pipe body is weaker, and the use requirement cannot be met. Therefore, enhancing the application strength of the oil cooler pipe body is a key to improving the performance of the oil cooler.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an oil cooler pipe with staggered dotting.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the oil cooler pipe comprises a pipe body, wherein the upper surface of the pipe body is axially provided with a plurality of first grooves formed by inwards sinking pipe walls, and the lower surface of the pipe body is provided with a plurality of second grooves formed by inwards sinking pipe walls; the bottom of the first groove is welded with the bottom of the second groove;
the axial direction of the first groove is perpendicular to the axial direction of the second groove, and the included angles between the first groove and the axial direction of the second groove are respectively larger than 0 degrees and smaller than 90 degrees with the axis of the pipe body;
the first grooves are provided with 2n rows, the number, the length, the width and the distribution positions of the second grooves are the same as those of the first grooves, and n is a positive integer;
when n is equal to 1, 1 reinforcing rib is arranged between the two rows of first grooves, the reinforcing rib is formed by inwards sinking the pipe body, and the bottom of the reinforcing rib is abutted against the inner wall of the pipe body;
when n is more than or equal to 2, the pipe body is provided with n reinforcing ribs, 1 reinforcing rib is arranged in every 2 rows of first grooves, and the concave directions of the adjacent 2 reinforcing ribs are opposite.
Preferably, the length of the first groove is 0.5-1.5mm.
Preferably, the width of the first groove is 0.2-0.8mm.
Preferably, the width of the pipe body is 10-250mm, and the thickness is not less than 3mm.
Preferably, the concave surfaces of the reinforcing ribs are attached.
Preferably, the inner walls of the two sides of the pipe body are provided with reinforcing sheets.
Preferably, the pipe body is formed by bending a sheet body, a first bending part is arranged at the bending part of the sheet body, and a second bending part and a third bending part are respectively arranged at 2 free ends of the sheet body.
Preferably, the first bending part is formed by folding 2-6 layers of sheet bodies.
Preferably, the second bending part and the third bending part are formed by folding 2-6 layers from 2 free ends of the sheet body into the tube body, and the heights of the second bending part and the third bending part are half of the height of the first bending part, and the folding layers and the folding thicknesses of the first bending part, the second bending part and the third bending part are the same.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the conventional oil cooler tube is formed by inserting fins (as shown in fig. 7) into a common welded aluminum tube and assembling the tube into an oil cooler. The tubular oil cooler has weak pressure resistance, the middle part of the tube body is easy to be extruded and deformed, the assembled oil cooler has poor strength, and the inner fins are easy to shake, so that the heat exchange effect is influenced.
The staggered dotting oil cooler pipe is provided with grooves in the staggered direction on the upper surface and the lower surface of the pipe body, the bottoms of the upper groove and the lower groove are contacted, and hot oil passes through an incompletely closed channel formed by a reinforcing rib and a first groove and a second groove which are close to the reinforcing rib or between the reinforcing rib and the side wall of the pipe body. The existing dotting oil cooler pipe is dotted, the welding is easy to be misaligned, the welding spot is small, and if the working pressure is too high, even two welding points are likely to be separated by impact. The design of cross dislocation can make the contact point of recess bottom accurately contact, improves the seam rate, guarantees the normal work of body. The cross staggered dotting design enhances the turbulence effect, so that the oil cooler pipe can have a good turbulence effect without using inner fins, the weight of the pipe and the weight of the oil cooler are reduced, and the heat exchange efficiency is not reduced. In addition, the oil cooler pipe is also provided with the reinforcing ribs, on one hand, the strength of the pipe body is enhanced by utilizing the material of the pipe body, the external volume of the pipe body is not increased, and on the other hand, a complete/incomplete oil passing channel can be formed, so that the hot oil is further divided into smaller turbulence, and the excessive impact of the hot oil flowing on the pipe body is avoided, and the vibration of the oil cooler is caused.
2. The existing oil cooler is formed by welding reinforcing strips, upper guard plates and lower guard plates on two sides of a radiating belt, namely, by welding independent sheet bodies and the radiating belt (as shown in figure 8), and has the advantages of multiple welding seams, complex structure, complex production process, low efficiency, easy leakage, deformation and the like in the using process. The invention also arranges the reinforcing sheets at two ends of the tube body, and can directly use the tube body to replace reinforcing strips, upper guard plates and lower guard plates, the oil cooler tube of the invention replaces the oil cooler with the old structure as shown in figure 7, the volume is greatly reduced, the tube body is formed by one-step bending of a metal sheet body of aluminum alloy, the material is light, the bending is easy to realize in production, the processing time is greatly saved, the production efficiency is high, the integral strength of the tube body is high, and the leakage is not easy to occur in the using process. In addition, the oil cooling pipe with the structure can also be used for assembling a common oil cooler.
3. The invention can also design bending parts at two sides of the tube body, wherein the bending parts are formed by folding sheet bodies into the tube body for 3 times, and the bending parts are formed by similar 2U-shaped openings which are staggered and then folded and extruded. The bending part can ensure the strength of the pipe body under the condition of ensuring the smaller thickness of the pipe body in the width direction, and can ensure the larger working pressure and the pressure strength of the inlet and outlet ends of the pipe when the oil cooler pipe with the structure is assembled into an oil cooler, so that lubricating oil can smoothly flow in and out.
Therefore, the staggered dotting oil cooler pipe is used for forming an oil cooler, has larger working pressure when in use, and can ensure the pressure intensity of the inlet end and the outlet end of the oil cooler pipe, so that lubricating oil smoothly flows in and out. And need not to use the inner fin, reduced the manufacturing material of whole body, reduced the weight of body, be favorable to reducing the whole weight of oil cooler, practiced thrift manufacturing cost, high strength oil cooler pipe has also prolonged the life of oil cooler. The invention has the advantages of high strength, capability of bearing larger working pressure, simple structure, convenient installation, high lubricating oil cooling efficiency, low raw material cost and good application prospect.
Drawings
Fig. 1 is a schematic view showing the overall structure of an oil cooler pipe according to embodiment 1 of the present invention.
Fig. 2 is a partially enlarged view at a in fig. 1.
FIG. 3 is a schematic view showing another angle of the oil cooler pipe according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of an oil cooler pipe according to embodiment 2 of the present invention.
Fig. 5 is a partially enlarged view of the first bending portion in embodiment 3 of the present invention.
Fig. 6 is an enlarged partial view of the second bending portion and the third bending portion according to embodiment 3 of the present invention.
Fig. 7 is a schematic view of a conventional oil cooler tube.
Fig. 8 is a schematic diagram of a conventional oil cooler.
In the accompanying drawings: 1-pipe body, 2-first recess, 3-second recess, 4-strengthening rib, 5-enhancement piece, 6-first kink, 7-second kink, 8-third kink.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
Example 1
As shown in fig. 1-3, the dislocation dotting oil cooler tube comprises a tube body 1, wherein the thickness of the tube body 1 is 3.0mm, and the width of the tube body 1 is 10.0mm; the upper surface of the pipe body 1 is axially provided with a plurality of first grooves 2 formed by inwards sinking pipe walls along the pipe body 1, and the lower surface of the pipe body 1 is provided with a plurality of second grooves 3 formed by inwards sinking pipe walls; the bottom of the first groove 2 is welded with the bottom of the second groove 3. The axial direction of the first groove 2 and the axial direction of the second groove 3 are perpendicular, and the included angles of the first groove and the second groove and the axis of the pipe body 1 are 45 degrees respectively.
The first grooves 2 and the second grooves 3 are respectively provided with 6 rows, the first grooves 2 in each 2 rows are uniformly distributed at intervals, the length of each first groove 2 is 1.5mm, the maximum width is 0.4mm, and the number, the length and the width of the second grooves 3 are the same as those of the first grooves 2.
Every 2 first recesses 2 are equipped with 1 strengthening rib 4 on the body 2, the strengthening rib 4 is inwards sunken by body 1 to form, strengthening rib 4 bottom and body 1 inner wall butt, the sunken face of strengthening rib 4 pastes mutually, and the sunken opposite direction of adjacent 2 strengthening ribs 4.
Example 2
As shown in fig. 4, the dislocation dotting oil cooler tube of this embodiment is different from embodiment 1 in that the inner walls of both sides of the tube body 1 are provided with reinforcing sheets 5.
Example 3
As shown in fig. 5-6, the dislocation dotting oil cooler tube of the present embodiment is different from embodiment 1 in that the tube body 1 is formed by bending a sheet, a first bending portion 6 is disposed at the bending position of the sheet, and a second bending portion 7 and a third bending portion 8 are disposed at 2 free ends of the sheet respectively. The first bending part 6 is formed by folding 3 layers of sheet bodies, the second bending part 7 and the third bending part 8 are formed by folding 3 layers of sheet bodies from 2 free ends of the sheet bodies to the inside of the tube body 1, the heights of the second bending part 7 and the third bending part 8 are half of the height of the first bending part 6, and the thicknesses of the first bending part 6, the second bending part 7 and the third bending part 8 after being folded are the same. The second bending part 7 and the third bending part 8 are welded and closed by high-frequency welding.
The use principle of the staggered dotting oil cooler pipe of the embodiments 1-3 is the same, when the staggered dotting oil cooler pipe is used, the oil cooler pipe is assembled into an oil cooler, lubricating oil to be cooled enters a cavity in the pipe body 1 from one end of the oil cooler pipe, and passes through an incompletely closed channel formed by the reinforcing ribs 4 and the first grooves 2 and the second grooves 3 which are close to the reinforcing ribs, or passes through the reinforcing ribs 4 and the side wall of the pipe body 1, the flow velocity of the lubricating oil can be reduced by the first grooves 2 and the second grooves 3 which are staggered in a cross manner, the turbulence degree is improved, cooling water between the lubricating oil and the oil cooler pipe is enabled to fully exchange heat, and the lubricating oil cooled through heat exchange flows out from the other end of the oil cooler pipe and is used for lubricating a gear box again. The cooler pipe is made of aluminum alloy, has light weight, is convenient to process and saves production cost.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The oil cooler pipe with staggered dotting comprises a pipe body and is characterized in that the upper surface of the pipe body is provided with a plurality of first grooves formed by inward sinking of the pipe wall along the axial direction of the pipe body, and the lower surface of the pipe body is provided with a plurality of second grooves formed by inward sinking of the pipe wall; the bottom of the first groove is welded with the bottom of the second groove;
the axial direction of the first groove is perpendicular to the axial direction of the second groove, and the included angles between the first groove and the axial direction of the second groove are respectively larger than 0 degrees and smaller than 90 degrees with the axis of the pipe body;
the first grooves are provided with 2n rows, the number, the length, the width and the distribution positions of the second grooves are the same as those of the first grooves, and n is a positive integer;
when n is equal to 1, 1 reinforcing rib is arranged between the two rows of first grooves, the reinforcing rib is formed by inwards sinking the pipe body, and the bottom of the reinforcing rib is abutted against the inner wall of the pipe body;
when n is more than or equal to 2, the pipe body is provided with n reinforcing ribs, 1 reinforcing rib is arranged in every 2 rows of first grooves, and the concave directions of the adjacent 2 reinforcing ribs are opposite;
the concave surfaces of the reinforcing ribs are adhered;
reinforcing sheets are arranged on the inner walls of the two sides of the pipe body;
the pipe body is formed by bending a sheet body, a first bending part is arranged at the bending part of the sheet body, and a second bending part and a third bending part are respectively arranged at 2 free ends of the sheet body.
2. The offset spotted oil cooler pipe of claim 1, wherein the length of the first groove is 0.5-1.5mm.
3. The offset spotted oil cooler pipe of claim 1, wherein the first groove has a width of 0.2-0.8mm.
4. The offset spotted oil cooler pipe of claim 1, wherein the pipe body has a width of 10-250mm and a thickness of not less than 3mm.
5. The offset spotted oil cooler pipe of claim 1 wherein the first fold is formed by folding a sheet of 2-6 layers.
6. The oil cooler pipe with staggered dotting according to claim 5, wherein the second bending part and the third bending part are formed by folding 2-6 layers into the pipe body from 2 free ends of the sheet body, the heights of the second bending part and the third bending part are half of the height of the first bending part, and the folding layers and the folding thicknesses of the first bending part, the second bending part and the third bending part are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640095.5A CN112683098B (en) | 2020-12-31 | 2020-12-31 | Dislocation dotting oil cooler pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640095.5A CN112683098B (en) | 2020-12-31 | 2020-12-31 | Dislocation dotting oil cooler pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112683098A CN112683098A (en) | 2021-04-20 |
| CN112683098B true CN112683098B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011640095.5A Active CN112683098B (en) | 2020-12-31 | 2020-12-31 | Dislocation dotting oil cooler pipe |
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| CN (1) | CN112683098B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465438A (en) * | 2021-07-29 | 2021-10-01 | 深圳市嘉和达管业有限公司 | S-shaped groove flow guide dislocation dotting tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000234883A (en) * | 1999-02-17 | 2000-08-29 | Showa Alum Corp | Heat exchanger |
| JP2003247788A (en) * | 2001-12-17 | 2003-09-05 | Showa Denko Kk | Heat exchanger and manufacturing method thereof |
| CN106767090A (en) * | 2016-12-07 | 2017-05-31 | 泰安福星汽车配件有限公司 | A kind of reinforced radiating tube and processing technology |
| CN212154937U (en) * | 2020-04-29 | 2020-12-15 | 南宁市安和机械设备有限公司 | Intercooler tube with reinforcing sheet and reinforcing device thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19803177B4 (en) * | 1998-01-28 | 2005-03-03 | Robert Bosch Gmbh | Process for producing a heat exchanger for fuel-fired water heaters |
| US8683690B2 (en) * | 2006-01-19 | 2014-04-01 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
| US9279624B2 (en) * | 2011-03-01 | 2016-03-08 | Mitsubishi Electric Corporation | Heat exchanger tube with collared fins for enhanced heat transfer |
| CN104792211A (en) * | 2014-01-16 | 2015-07-22 | 泰安鼎鑫冷却器有限公司 | Radiating tube for high-strength condenser |
| EP3006884B1 (en) * | 2014-10-07 | 2017-11-22 | Borgwarner Emissions Systems Spain, S.L.U. | Tube for a heat exchanger |
| CN209013814U (en) * | 2018-08-28 | 2019-06-21 | 无锡逸龙铝热科技有限公司 | A kind of bumps heat radiating flat tube |
| CN110439989A (en) * | 2019-08-20 | 2019-11-12 | 南宁市安和机械设备有限公司 | A kind of new oil cooler pipe |
| CN110439672A (en) * | 2019-08-20 | 2019-11-12 | 南宁市安和机械设备有限公司 | A kind of reinforced intercooler radiating tube |
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2020
- 2020-12-31 CN CN202011640095.5A patent/CN112683098B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000234883A (en) * | 1999-02-17 | 2000-08-29 | Showa Alum Corp | Heat exchanger |
| JP2003247788A (en) * | 2001-12-17 | 2003-09-05 | Showa Denko Kk | Heat exchanger and manufacturing method thereof |
| CN106767090A (en) * | 2016-12-07 | 2017-05-31 | 泰安福星汽车配件有限公司 | A kind of reinforced radiating tube and processing technology |
| CN212154937U (en) * | 2020-04-29 | 2020-12-15 | 南宁市安和机械设备有限公司 | Intercooler tube with reinforcing sheet and reinforcing device thereof |
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| CN112683098A (en) | 2021-04-20 |
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