CN105202350A - Engine oil cooler - Google Patents
Engine oil cooler Download PDFInfo
- Publication number
- CN105202350A CN105202350A CN201410270115.2A CN201410270115A CN105202350A CN 105202350 A CN105202350 A CN 105202350A CN 201410270115 A CN201410270115 A CN 201410270115A CN 105202350 A CN105202350 A CN 105202350A
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- China
- Prior art keywords
- machine oil
- oil cooler
- pipe
- outer tube
- interior pipe
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Abstract
The invention discloses an engine oil cooler which comprises two connecting blocks and two pipe connectors. The axes of the two pipe connectors are in parallel. The engine oil cooler further comprises a plurality of inner pipes, and inner cavities of the two pipe connectors are communicated with inner cavities of all the inner pipes to form a cooling water loop. Outer pipes are arranged on the outer walls of all the inner pipes in a sleeving mode, the two ends of each outer pipe are fixed to the two connecting blocks respectively, a heat dissipating assembly is arranged between each outer pipe and the corresponding inner pipe, and a channel is formed between each outer pipe and the corresponding inner pipe. Each connecting block is provided with a connecting oil hole, the axes of the connecting oil holes are perpendicular to the axes of the outer pipes, and the connecting oil holes are communicated with the channels and form an engine oil loop. The engine oil cooler is simple in structure and convenient to operate, has both the water cooling function and the air cooling function and is suitable for different requirements for cooling engine oil of an automobile in the high-speed and low-speed environments.
Description
Technical field
The present invention relates to a kind of machine oil cooler.
Background technique
As everyone knows, automobile is in the process travelled, and the gear phase mutual friction of transmission system can produce a large amount of heat, and needs machine oil to provide lubrication between gear and gear.If the too high meeting of temperature of transmission system simultaneously makes component expand and produces stuck danger, this is breakneck the automobile of running at high speed.It is all be directly passed to machine oil that transmission system runs the heat produced, and the lubricity of machine oil simultaneously relevant with temperature be generally the best at 80 DEG C to 90 DEG C, too low temperature can reduce the greasy property of machine oil, the too high greasy property that not only can reduce machine oil also there will be burn oil phenomenon simultaneously.Therefore, the working life of transmission system and the temperature of machine oil have direct relation.
Existing machine oil cooler mainly divides two large class one to be common water-cooled, and another kind is common air-cooled.Water-cooled can meet cooling requirement when vehicle low cruise, but along with the temperature of transmission system raises when high speed continuous service, oil cooling does not often just reach best chilling temperature or just increases the volume of oil cooling, what product structure was become is very huge, and this is unfavorable for the modularization development of automobile very much.Traditional air-cooled structure is often very large, and when lasting low cruise and mountain area continuous service, the cooling effect of oil cooling is very poor simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is suitable for the defects such as road conditions limitation, complex structure and oil cooling weak effect to overcome machine oil cooler traditional in prior art, a kind of machine oil cooler is provided, this oil cooler structure is simple, oil cooling performance efficiency, is applicable to various road conditions.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of machine oil cooler, comprise two spaced contiguous blocks and two pipe joints be individually fixed on two these contiguous blocks, the axis of two these pipe joints is parallel to each other, its feature is, this machine oil cooler also comprises some interior pipes be arranged at intervals between two these pipe joints, respectively the axis of this interior pipe all with the axes normal of two these pipe joints, the inner chamber of two these pipe joints is all formed with a chilled(cooling) water return (CWR) with the intracavity inter-connection of each this interior pipe;
The outer wall of each this interior pipe is all arranged with outer tube, and respectively the two ends of this outer tube are individually fixed on two these contiguous blocks, are respectively provided with radiating subassembly between this outer tube and this corresponding interior pipe, and are respectively formed with a passage between this outer tube and this corresponding interior pipe;
Two these contiguous blocks are respectively equipped with a connection oilhole, respectively the axis of this connection oilhole and the axes normal of each this outer tube, those connect oilholes and are all connected with those passages and are formed with a machine oil loop.
In this programme, the passage formed between each interior pipe and outer tube is used for passing into machine oil, the inner chamber of each interior pipe communicates with the inner chamber of the pipe joint being positioned at two ends, left and right and forms chilled(cooling) water return (CWR), the one end making it possible to a pipe joint wherein passes into cooling water, the inner chamber flowing through interior pipe finally flows out from one end of another pipe joint, thus make this machine oil cooler have good water-cooled effect, simultaneously, the outer wall of outer tube directly contacts with air, makes this machine oil cooler have good air cooling effect when car high speed operation.In addition, the setting of radiating subassembly further increases the radiating effect of passage inner engine oil.
Preferably, respectively this radiating subassembly comprises some corrugated annular fin be sheathed on this outer wall of inner tube corresponding, and those corrugated annular fin are arranged along the axis at intervals of this interior pipe, and adjacent two these corrugated circular radiatings are crisscross arranged.
In this programme, the corrugated annular fin of said structure form is adopted to play the effect of heat transfer, ensure that machine oil is in a suitable operating temperature, thus improve the working efficiency of product and add the voltage endurance capability of machine oil cooler, and improve the intensity of machine oil cooler.
Preferably, respectively this corrugated annular fin comprises two-layer weld layer and the basic unit between this weld layer two-layer, and respectively the material of this weld layer is aluminum alloy 4343, and respectively the material of this basic unit is aluminum alloy 3003.
In this programme, adopt said structure form, be easy to processing welding, and thermal conductivity is strong.
Preferably, respectively the length of this interior pipe is greater than the length of this outer tube corresponding, respectively this contiguous block is provided with some ladder positioning holes, respectively the two ends of these inner and outer tubes are welded in this ladder positioning hole corresponding respectively, and respectively this connection oilhole is connected with those corresponding ladder positioning holes, the respectively axis of this connection oilhole and the axes normal of ladder positioning hole.
In this programme, being arranged so that inner and outer tubes can well coordinate with contiguous block and welding of ladder positioning hole, positioning action can be played simultaneously, thus ensure the quality of this machine oil cooler, and simplify structure and the technique of this machine oil cooler, reduce the cost of production of this machine oil cooler.
Preferably, respectively the top of this pipe joint is provided with a ring stiffener, and respectively the bottom of this pipe joint is welded on this contiguous block.
In this programme, ring stiffener can prevent pipe joint from coming off from contiguous block.
Preferably, respectively the bottom of this contiguous block is provided with some tapped holes, and those tapped holes are arranged around the axis uniform intervals of this connection oilhole corresponding.
In this programme, the setting of tapped hole is used for the integrated flanged surface corresponding with it to contiguous block and carries out installation location, simultaneously to the sealing effect improved machine oil loop, avoids oil leakage.
Preferably, the quantity of those tapped holes is 4.
Preferably, respectively the material of this pipe joint and each this contiguous block is aluminum alloy 3003.
In this programme, adopt said structure form, make the structural strength of this machine oil cooler better, cost of production is low, and heat transfer efficiency is high, and lightweight.
Preferably, respectively the outer wall of this interior pipe is provided with weld layer in one deck, and respectively the inwall of this outer tube is provided with one deck external welding layer, and in those, the material of weld layer and external welding layer is aluminum alloy 4343.
Preferably, the quantity of these inner and outer tubes is 3.
On the basis meeting related domain general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
Structure of the present invention is simple, easy to operate, possesses water-cooled and air-cooling function simultaneously, adapts to automobile under high speed and low speed environments for oil-cooled different requirement.
Accompanying drawing explanation
Fig. 1 is the perspective view of the machine oil cooler of present pre-ferred embodiments.
Fig. 2 is the internal structure schematic diagram of the machine oil cooler of present pre-ferred embodiments.
Fig. 3 is the worm's eye view corresponding with Fig. 1.
Fig. 4 is the sectional view along A-A in Fig. 3.
Description of reference numerals:
First contiguous block: 1 first connects oilhole: 11 first ladder positioning holes: 12
Second contiguous block: 2 second connect oilhole: 21 second ladder positioning holes: 22
First pipe joint: 3 first cavitys: 31
Second pipe joint: 4 second cavitys: 41
Interior pipe: 5 waterpipes: 51
Outer tube: 6 oil-pipings: 61
Corrugated annular fin: 7
Tapped hole: 8
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As Figure 1-3, machine oil cooler of the present invention the second pipe joint 4 of comprising spaced first contiguous block 1 and the second contiguous block 2, being fixed on the first pipe joint 3 on the first contiguous block 1 and being fixed on the second contiguous block 2.Wherein, the axis of the first pipe joint 3 and the axis of the second pipe joint 4 are parallel to each other, and are formed with one first cavity 31 and the second cavity 41 respectively in the first pipe joint 3 and the second pipe joint 4.
Please understood according to Fig. 2, this machine oil cooler also comprises 3 interior pipes 5, and in those, pipe 5 is disposed between the first pipe joint 3 and the second pipe joint 4, the axis of each interior pipe 5 all with the axes normal of the first pipe joint 3, second pipe joint 4.Be formed with a waterpipe 51 in each interior pipe 5, one end of each waterpipe 51 is connected with the first cavity 31, and the other end is connected with the second cavity 41, thus is formed with a chilled(cooling) water return (CWR).Can pass into cooling water in one end of the first pipe joint 3 like this, the waterpipe 51 flowed through in interior pipe 5 finally flows out from one end of the second pipe joint 4, thus makes this machine oil cooler have good water-cooled effect.
In addition, the outer wall of each interior pipe 5 is all arranged with outer tube 6, the two ends of each outer tube 6 are separately fixed on the first contiguous block 1 and the second contiguous block 2, be provided with radiating subassembly, and be formed with an oil-piping 61 between each outer tube 6 and this corresponding interior pipe 5 between each outer tube 6 and corresponding interior pipe 5.Simultaneously, first contiguous block 1 with the second contiguous block 2 is respectively equipped with one first and is connected oilhole 11 and is connected oilhole 21 with one second, first connects oilhole 11 is connected the axis of oilhole 21 and the axes normal of each outer tube 6 with second, one end of each oil-piping 61 is connected oilhole 11 with first and is connected, the other end is connected oilhole 21 with second and is connected, thus is formed with a machine oil loop.The one end that can connect oilhole 21 second like this passes into machine oil, flow through oil-piping 61 finally connects oilhole 11 one end outflow from first, in the process, the outer wall of outer tube 6 directly contacts with air, makes this machine oil cooler have good air cooling effect when car high speed operation.
In addition, as shown in Figure 4, each radiating subassembly comprises some corrugated annular fin 7 be sheathed on corresponding interior pipe 5 outer wall, and those corrugated annular fin 7 are arranged along the axis at intervals of interior pipe 5, and adjacent two these corrugated circular radiatings are crisscross arranged.Meanwhile, outer tube 6 and interior pipe 5 are welded together by corrugated annular fin 7, and welding manner is preferably nitrogen protection welding, can certainly adopt other welding manners, as long as the parts of welding can excellent sealing can stand bursting pressure and be not less than 2MPa.Further, the thickness of corrugated annular fin 7 is 0.2mm, certainly in the using process of reality, also can select the material that can weld that other heat-conducting propertys are good.
In the present embodiment, corrugated annular fin 7 plays the effect of heat transfer, ensures that machine oil is in a suitable operating temperature, thus improves the working efficiency of product and add the voltage endurance capability of machine oil cooler, and improves the intensity of machine oil cooler.
Further, each corrugated annular fin 7 comprises two-layer weld layer and the basic unit between two-layer weld layer.The material of each weld layer is aluminum alloy 4343, and the material of each basic unit is aluminum alloy 3003.The outer wall of each interior pipe 5 is provided with weld layer in one deck, and the inwall of each outer tube 6 is provided with one deck external welding layer, and in those, the material of weld layer and external welding layer is aluminum alloy 4343.
As shown in Figure 2, in the present embodiment, the length of each interior pipe 5 is greater than the length of corresponding outer tube 6, first contiguous block 1 and the second contiguous block 2 are respectively equipped with 3 the first ladder positioning holes 12 and 3 the second ladder positioning holes 22, respectively the two ends of this interior pipe 5 and outer tube 6 are welded in corresponding first ladder positioning hole 12 and the second ladder positioning hole 22 respectively, and each first connection oilhole 11 is connected with the first ladder positioning hole 12, each first connects the axis of oilhole 11 and the axes normal of the first ladder positioning hole 12, each second connects oilhole 21 is connected with the second ladder positioning hole 22, each second connects the axis of oilhole 21 and the axes normal of the second ladder positioning hole 22.
From the above, being arranged so that interior pipe 5 and outer tube 6 can well coordinate with contiguous block and welding of ladder positioning hole, positioning action can be played simultaneously, thus ensure the quality of this machine oil cooler, and simplify structure and the technique of this machine oil cooler, reduce the cost of production of this machine oil cooler.
In addition, the top of the first pipe joint 3 and the second pipe joint 4 is respectively equipped with a ring stiffener, and the bottom of the first pipe joint 3 and the second pipe joint 4 is welded on the first contiguous block 1 and the second contiguous block 2 respectively.First pipe joint 3 and the second pipe joint 4 mainly coordinate with rubber pipe, and ring stiffener can prevent pipe joint from coming off from contiguous block.In the present embodiment, the first pipe joint 3 and the second pipe joint 4 are straight Conduit Joint, certainly also can adopt other shapes as required, such as elbow.
In addition, as shown in Figure 3, the bottom of the first contiguous block and the second contiguous block is respectively equipped with 4 tapped holes 8, and those tapped holes 8 connect oilhole 11 around first or the second axis uniform intervals connecting oilhole 21 is arranged.In the present embodiment, the setting of tapped hole 8 is used for carrying out installation location to contiguous block, simultaneously to the sealing effect improved machine oil loop, avoids oil leakage.
Preferably, the material of the first pipe joint 3, second pipe joint 4, first contiguous block and the second contiguous block is aluminum alloy 3003.Make the structural strength of this machine oil cooler better like this, cost of production is low, and heat transfer efficiency is high, and lightweight.
Please understood according to Fig. 2, the working procedure of this machine oil cooler is: cooling water is from water intake ingress engine oil cooler, then be diverted to 3 water channels through the first cavity 31, then flowed out by the second pipe joint 4 through the second cavity 41 by outlet interflow, complete cooling water channel circulation; Meanwhile, machine oil connects oilhole 21 from second and enters, and shunts through 3 oil-pipings 61, flows out by collaborating to connect oilhole 11 through first after the corrugated annular fin 7 between outer tube 6 inwall and interior pipe 5 outer wall to corresponding outlet.
In the process, because machine oil is in high temperature when the second connection oilhole 21 enters, it carrys out transferring heat when flowing through corrugated annular fin 7 by corrugated annular fin 7, then is dispelled the heat by outer tube 6 and interior pipe 5.Wherein, the heat radiation of outer tube 6 is dispelled the heat by air, and when speed air flow increases, wind can effectively dispel the heat to outer tube 6 when through outer tube 6, the larger then heat dissipating capacity of wind speed degree is larger, thus avoids the automobile phenomenon that machine oil cooler heat dissipating capacity is inadequate when high speed operation.Pass into cooling water in pipe 5 simultaneously, also can be good at internal pipe 5 and dispel the heat.Therefore, dispel the heat to machine oil while interior pipe 5 and outer tube 6, this maximizes the working power that improve this machine oil cooler under identical volume, is adapted to the design concept of current automobile product components module.
In sum, the present invention make use of air-cooled and water-cooled two technology simultaneously, automobile (high speed and low speed) when different road conditions is made can well to ensure suitable oil temperature, avoid product performance at low speeds superfluous, and the deficiency of product performance at high speeds, there is good modulability and adaptability.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these mode of executions, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. a machine oil cooler, comprise two spaced contiguous blocks and two pipe joints be individually fixed on two these contiguous blocks, the axis of two these pipe joints is parallel to each other, it is characterized in that, this machine oil cooler also comprises some interior pipes be arranged at intervals between two these pipe joints, respectively the axis of this interior pipe all with the axes normal of two these pipe joints, the inner chamber of two these pipe joints is all formed with a chilled(cooling) water return (CWR) with the intracavity inter-connection of each this interior pipe;
The outer wall of each this interior pipe is all arranged with outer tube, and respectively the two ends of this outer tube are individually fixed on two these contiguous blocks, are respectively provided with radiating subassembly between this outer tube and this corresponding interior pipe, and are respectively formed with a passage between this outer tube and this corresponding interior pipe;
Two these contiguous blocks are respectively equipped with a connection oilhole, respectively the axis of this connection oilhole and the axes normal of each this outer tube, those connect oilholes and are all connected with those passages and are formed with a machine oil loop.
2. machine oil cooler as claimed in claim 1, it is characterized in that, respectively this radiating subassembly comprises some corrugated annular fin be sheathed on this outer wall of inner tube corresponding, those corrugated annular fin are arranged along the axis at intervals of this interior pipe, and adjacent two these corrugated circular radiatings are crisscross arranged.
3. machine oil cooler as claimed in claim 2, it is characterized in that, respectively this corrugated annular fin comprises two-layer weld layer and the basic unit between this weld layer two-layer, and respectively the material of this weld layer is aluminum alloy 4343, and respectively the material of this basic unit is aluminum alloy 3003.
4. machine oil cooler as claimed in claim 1, it is characterized in that, respectively the length of this interior pipe is greater than the length of this outer tube corresponding, respectively this contiguous block is provided with some ladder positioning holes, respectively the two ends of these inner and outer tubes are welded in this ladder positioning hole corresponding respectively, and respectively this connection oilhole is connected with those corresponding ladder positioning holes, the respectively axis of this connection oilhole and the axes normal of ladder positioning hole.
5. machine oil cooler as claimed in claim 1, it is characterized in that, respectively the top of this pipe joint is provided with a ring stiffener, and respectively the bottom of this pipe joint is welded on this contiguous block.
6. machine oil cooler as claimed in claim 1, it is characterized in that, respectively the bottom of this contiguous block is provided with some tapped holes, and those tapped holes are arranged around the axis uniform intervals of this connection oilhole corresponding.
7. machine oil cooler as claimed in claim 6, it is characterized in that, the quantity of those tapped holes is 4.
8. as the machine oil cooler in claim 1-7 as described in any one, it is characterized in that, respectively the material of this pipe joint and each this contiguous block is aluminum alloy 3003.
9. as the machine oil cooler in claim 1-7 as described in any one, it is characterized in that, respectively the outer wall of this interior pipe is provided with weld layer in one deck, and respectively the inwall of this outer tube is provided with one deck external welding layer, and in those, the material of weld layer and external welding layer is aluminum alloy 4343.
10. as the machine oil cooler in claim 1-7 as described in any one, it is characterized in that, the quantity of these inner and outer tubes is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270115.2A CN105202350A (en) | 2014-06-17 | 2014-06-17 | Engine oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270115.2A CN105202350A (en) | 2014-06-17 | 2014-06-17 | Engine oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105202350A true CN105202350A (en) | 2015-12-30 |
Family
ID=54950184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270115.2A Pending CN105202350A (en) | 2014-06-17 | 2014-06-17 | Engine oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105202350A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821595A (en) * | 2019-11-14 | 2020-02-21 | 徐州市康恒机械有限公司 | Oil cooler for engineering machinery |
| CN112610607A (en) * | 2020-12-21 | 2021-04-06 | 英诺伟特（昆山）能源机械有限公司 | Oil-free water lubrication bearing |
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- 2014-06-17 CN CN201410270115.2A patent/CN105202350A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821595A (en) * | 2019-11-14 | 2020-02-21 | 徐州市康恒机械有限公司 | Oil cooler for engineering machinery |
| CN110821595B (en) * | 2019-11-14 | 2020-12-15 | 徐州市康恒机械有限公司 | Oil cooler for engineering machinery |
| CN112610607A (en) * | 2020-12-21 | 2021-04-06 | 英诺伟特（昆山）能源机械有限公司 | Oil-free water lubrication bearing |
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Application publication date: 20151230 |
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