CN206016891U - Oil cooler - Google Patents

Abstract

The utility model discloses a kind of oil cooler, including being used for the engine oil container cooled down by machine oil for accommodating the cooling water tank of coolant and being arranged in the cooling water tank, the oil cooler structure is simple, with low cost, engine oil gallery length is not increased simultaneously, lubricating oil pump load is effectively reduced, engine output is improved, in addition, the oil cooler is cooled down to machine oil using the coolant of electromotor, can greatly improve the lubricant effect of electromotor parts.

Description

Oil cooler

Technical field

This utility model is related to engine lubrication system part field, specifically a kind of oil cooler.

Background technology

The function of engine lubrication system is when electromotor works continuously cleaning appropriate for enough for quantity, temperature Friction surface of the oil delivery to whole driving members, and oil film is formed between friction surface, fluid friction is realized, so as to reduce Frictional resistance, reduction power consumption, mitigation component wear, to reach the purpose for improving electromotor functional reliability and durability, And machine oil is in the course of the work, machine oil can be caused thinning and reduce lubricating ability as temperature is too high, this factor can be led For lubricant effect does not catch up with, electromotor normally cannot run reason, and therefore, existing electromotor is generally in lubricant oil way Oil cooler is set, however, external oil cooler will be long for the length for causing engine lubrication oil duct, greatly increases the machine of seeing The load of oil pump, on the other hand, existing oil cooler generally adopts air-cooled or water-cooled；Air cooled engine oil cooler by Many cooling tubes and coldplate composition, in running car, the oil cooler fuse of the air cooling heat that headed on using automobile is air-cooled The cooling effect of formula oil cooler is determined by the air quantity for cooling down wind, it is difficult to ensure temperature of the machine oil in being suitable for；Water-cooled machine Oil cooler is placed in cooling fluid path, and the temperature using coolant when lubricating oil temperature is high, is leaned on controlling the temperature of lubricating oil Coolant is lowered the temperature, and during engine start, then absorbing heat from coolant makes lubricating oil improve rapidly temperature, and oil cooler is by aluminum Alloy is cast, protecgulum, bonnet and copper core pipe composition, in order to strengthen cooling down, pipe is outer to be set with fin again, and coolant is outer in pipe Flowing, in Bottomhole pressure, both carry out heat exchange to lubricating oil, and water-cooled oil cooler structure is complicated, and manufacturing cost is higher, with When, the length of engine oil gallery is substantially prolongs, increases the load of lubricating oil pump, cause engine output to decline.

Accordingly, it would be desirable to a kind of simple structure, with low cost, while not increasing engine oil gallery length, effectively reduce Lubricating oil pump load, improves the oil cooler of engine output, and the oil cooler utilizes the coolant of electromotor to machine Oil is cooled down, and can greatly improve the lubricant effect of electromotor parts.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of oil cooler, the oil cooler structure is simple, into This is cheap, while not increasing engine oil gallery length, effectively reduces lubricating oil pump load, improves engine output, separately Outward, the oil cooler is cooled down to machine oil using the coolant of electromotor, can greatly improve the lubrication of electromotor parts Effect.

Oil cooler of the present utility model, including the cooling water tank of coolant and being arranged at the cooling water for accommodating Engine oil container in case for being cooled down to machine oil；

Further, the cooling water tank includes the case that fixes or be integrally formed in outside cylinder body and be located in the range of cylinder body oil level Bottom and the case lid to form cooling water tank is fastened with the bottom；

Further, the engine oil container is fixed on the inwall of cooling water tank near the bottom；

Further, the engine oil container is fixed on the bottom in the way of being total to bottom with cooling water tank, the machine oil in cylinder body The engine oil container is flowed through by being arranged at the oil-in and oil-out of the bottom；

Further, during installation, the oil-out is higher than the oil-in, and oil-in is fixed or integrally formed oriented machine oil The conduit extended inside container；

Further, the bottom is provided with for fixedly mounting the annular mounting seat of engine oil container, the annular mounting seat with Engine oil container is threaded connection and seals；

Further, the case lid is provided with water inlet and outlet, and the water inlet is provided with cold for controlling coolant entrance But the temperature-conserving valve in water tank；

Further, the cooling water channel connected with cooling water tank with outlet by the water inlet is provided with the case lid； The plug promoted by the push rod of temperature-conserving valve is provided with the cooling water channel, and the plug is used for blocking cooling water channel positioned at cooling water Pipeline between the water inlet and outlet of case；

Further, the case lid inner face is fixed with tubaeform kuppe corresponding with water inlet, and the temperature-conserving valve is arranged It is limited in water inlet and vertically between case lid and kuppe；

Further, during installation, the outlet of the kuppe is higher than the engine oil container.

The beneficial effects of the utility model are：Oil cooler of the present utility model, engine oil container are arranged at cooling water tank Interior, engine oil container is made by Heat Conduction Material, after the coolant of electromotor flows into cooling water tank, makes coolant and the machine of electromotor The wall contacts of oil vessel, by the use of engine oil container as heat transferring medium, make coolant carry out heat with the machine oil in engine oil container Exchange, so as to reach the cooling-down effect to machine oil, this utility model need not increase machine oil cooling oil path, shorten engine lubricating oil The length on road, reduces the load of lubricating oil pump, improves the power of electromotor, on the other hand, due to the constant temperature spy of engine coolant Property, the temperature for making machine oil is reduced, and keeps oil temperature to a great extent, the viscous warm nature of machine oil is effectively carried Height, so that improve the lubricant effect of electromotor parts.

Description of the drawings

Fig. 1 is structural representation of the present utility model.

Specific embodiment

Fig. 1 is structural representation of the present utility model, as shown in the figure：The oil cooler of the present embodiment includes cooling water tank And the engine oil container 11 being arranged in cooling water tank for being cooled down to machine oil；Engine oil container 11 is arranged at cooling water tank Interior, engine oil container 11 is tubular construction and makes using Heat Conduction Material that its end face is provided with into and out of hydraulic fluid port 14, makes from cooling water Machine oil outside case can flow through 11 inner chamber of engine oil container, after the coolant of electromotor flows into cooling water tank, make the cold of electromotor But wall contacts of liquid and engine oil container 11, by the use of engine oil container 11 as heat transferring medium, make the coolant will be with engine oil container 11 Interior machine oil carries out heat exchange, so as to reach the cooling-down effect to machine oil, using this utility model in engine oil container 11 to machine Oil is cooled down, and need not increase machine oil cooling oil path, shortens the length of engine oil gallery, is reduced the load of lubricating oil pump, is carried The power of high electromotor, on the other hand, due to the thermostatic characteristics of engine coolant, the temperature for making machine oil is reduced, and Keep oil temperature to a great extent, make the viscous warm nature of machine oil effectively improve, so as to improve the lubrication of electromotor parts Effect.

In the present embodiment, the cooling water tank includes fixing or being integrally formed in outside cylinder body and be located in the range of cylinder body oil level Bottom 10 and fasten the case lid 1 to form cooling water tank with the bottom, the sealing of the opening of the engine oil container 11 is fixed It is used for accommodating and cooling down the machine oil in engine cylinder body in the bottom of the block, when the bottom 10 of cooling water tank is fixed on During outer wall of cylinder block, bottom 10 connects merga pass bolt with engine cylinder side wall and is fixed, when cooling water tank bottom 10 with When outer wall of cylinder block is integrally formed, the bottom of the outer wall of cylinder body i.e. as cooling water tank, this arrangement can greatly simplify machine The structure of oil cooling system, saves the oil pipe between engine cylinder-body and machine oil cooling water tank, it is to avoid increase the length of oil leab Degree, so as to reduce the load of lubricating oil pump, cooling water tank is fixed or is integrally formed in outside cylinder body, need not be changed in engine cylinder body The structure in portion, simplifies the assembly technology of electromotor.

In the present embodiment, the inwall that engine oil container 11 is fixed on cooling water tank near the bottom 10, this arrangement side is stated Formula reduces lubricating oil pump load beneficial to the length for shortening machine oil cooling oil path.

In the present embodiment, the engine oil container 11 is fixed on the bottom 10, cylinder body in the way of being total to bottom with cooling water tank Interior machine oil flows through the engine oil container 11, lubricating cylinders oil by being arranged at the oil-in 13 and oil-out 14 of the bottom 10 Machine oil in road flows through the engine oil container 11 and completes to circulate, and the machine oil in lubricating cylinders oil circuit upstream is by engine cylinder-body The oil-in 13 of outer wall is flowed in engine oil container 11, then flows back to realization circulation in the oil circuit of lubricating cylinders oil circuit downstream by oil-out 14 Flowing, therefore, in lubricating cylinders oil duct, machine oil homomergic flow in circulating each time enters and is cooled down in engine oil container 11, by In engine oil container 11 and one bottom 11 of cooling water tank function, therefore, the cup-like containers of one end open can be adopted to hold as machine oil Device, saves and opens up into and out of oilhole on oil volume.

In the present embodiment, during installation, the oil-out 14 is higher than the oil-in 13, and oil-in 13 fixes oriented machine oil The conduit 16 extended inside container 11, the machine oil flowed into by oil-in 13 will flow into engine oil container 11 under the guiding of conduit 16 Away from the lower section of cylinder body side, then oil-out 14 is gradually flowed to, this version ensure that the machine for flowing into engine oil container 11 Oil can be flowed out again full of whole engine oil container 11, and then improves the cooling effectiveness of machine oil.

In the present embodiment, the bottom 10 is provided with for fixedly mounting the annular mounting seat of engine oil container 11, the annular The realization that cooperates cylindrical with engine oil container 11 of mounting seat inner circle is fixed and seals；In the present embodiment, mounting seat is integrally formed in Block bottom, mounting seat inner circle is cylindrical with engine oil container 11 to be threaded connection, meanwhile, mounting seat and engine oil container 11 it Between arrange sealing ring, it is ensured that the machine oil in engine oil container 11 is mutually isolated with the coolant outside engine oil container 11.

In the present embodiment, the case lid 1 is provided with water inlet 6 and outlet 2, and the water inlet 6 is provided with for control cooling The temperature-conserving valve that liquid is entered in cooling water tank, when the temperature of the coolant of electromotor is not up to design temperature, temperature-conserving valve is closed, cold But the coolant in water channel 3 will not be flowed in cooling water tank, and coolant will not be cooled down to machine oil, and machine oil is carried out with coolant Respective conventional intensification；After the coolant temperature of electromotor reaches design temperature, temperature-conserving valve is opened, engine cooling water channel 3 In coolant will flow in cooling water tank, make the coolant of electromotor and 11 wall contacts of engine oil container, make the coolant will be with Machine oil inside engine oil container 11 carries out heat exchange, and so as to reach the cooling-down effect to machine oil, temperature-conserving valve 8 is control cooling medium The valve of flow path, its are a kind of automatic temperature-regulators, usually contain the temperature module, open by flatulence of heat type or shrinkage, close Fall the flowing of air, gas or liquid, the coolant temperature in cooling water channel 3 is sensed using temperature-conserving valve 8, set when temperature exceedes After value, the temperature module expansion in temperature-conserving valve 8 opens the water inlet 6 of cooling water tank, while closing in cooling water channel 3 positioned at cold But the pipeline between water tank inlet 6 and outlet 2, makes coolant flow through cooling water tank and is entered by 2 stream of cooling water tank outlet again In cooling water channel 3, it is ensured that the cooling effect of machine oil.

In the present embodiment, it is provided with the case lid 1 cold with what outlet 2 was connected with cooling water tank by the water inlet 6 But water channel 3；The cooling water channel 3 is provided with the plug 5 promoted by the push rod 7 of temperature-conserving valve 8, and the plug 5 is used for blocking cooling water Road 3 is located at the pipeline between the water inlet 6 and outlet 2 of cooling water tank, when the coolant temperature in cooling water channel 3 is higher than setting After temperature value, the temperature module in temperature-conserving valve 8 is expanded, and releases the push rod 7 of temperature-conserving valve 8, and push rod 7 will promote plug 5 to slide Plugging pipelines that are dynamic, making plug 5 be located in cooling water channel 3 between cooling water tank water inlet 6 and outlet 2, in cooling water channel 3 Coolant will change which in the presence of plug 5 and flow to, coolant can only flow to 3 downstream of cooling water channel by cooling water tank, Therefore, this structure will greatly improve the coolant rate by cooling water tank, and then improve the cooling effect of machine oil, described cold But the water inlet 6 and outlet 2 of water tank is arranged in case lid 1, the engine oil container mounting seat 12 be arranged at in bottom 10；And The water inlet 6 of cooling water tank enables the coolant of inflow cooling water tank to drench in engine oil container higher than engine oil container mounting seat 12 11 surfaces, while enabling to coolant in 11 Surface runoff of engine oil container, improve heat exchange efficiency, greatly improve the cold of machine oil But effect.

In the present embodiment, the case lid 1 is fixed with the tubaeform kuppe 9 coaxial with water inlet 6 towards 10 side of bottom, The temperature-conserving valve 8 is arranged in water inlet 6 and is axially fixed between case lid 1 and kuppe 9；During installation, the kuppe 9 Outlet be higher than the engine oil container kuppe 9, so as to guide and just go up the coolant for flowing into water inlet 6 to engine oil container 11 Side, enables coolant just to spray in 11 surface of engine oil container, in addition, trumpet-shaped kuppe 9 can effectively improve cooling The flow velocity of liquid, increases the spraying range of coolant, while improving the flow velocity of the coolant in cooling water tank, further improves machine oil Cooling effectiveness.

In the present embodiment, it is provided with the water inlet 6 integrally formed with case lid 1 for carrying out spacing valve to temperature-conserving valve 8 Mounting seat 15；The valve housing 15 is provided with 5 installing hole of plug, valve housing 15 be loop configuration, which is coaxially disposed with temperature-conserving valve 8 and is integrally formed in case lid 1, section Warm valve 8 is installed in the water inlet 6 and is carried out by valve housing 15 spacing, and valve housing 15 is provided with 5 installing hole of plug, should The axis of 5 installing hole of plug is mutually perpendicular to the axis of cooling water channel 3, and 5 installing hole of plug is interconnected with cooling water channel 3, Plug 5 is snug fit in 5 installing hole of plug, and when liquid temperature is cooled down less than design temperature, plug 5 is slipped in 5 installing hole of plug, Coolant will be in flowing in cooling water channel 3, when liquid temperature is cooled down higher than design temperature, and the push rod 7 of temperature-conserving valve 8 will promote plug 5 Slide in and out so as to cooling water channel 3 is located at the plugging pipelines between cooling water tank water inlet 6 and outlet 2, make coolant stream The machine oil in engine oil container 11 is cooled down through cooling water tank, in the present embodiment, the plug 5 and 3 inwall of cooling water channel it Between be provided with spring 4 for promoting plug 5 to peak at 7 end face of push rod of temperature-conserving valve 8, sunken end face of the plug 5 towards spring 4 Spring base is formed, on the end face that plug 5 peaks at 8 push rod 7 of temperature-conserving valve in the presence of 4 elastic force of spring all the time, temperature-conserving valve 8 is pushed away When bar 7 is not extended out, plug 5 is in the presence of spring 4 in 5 installing hole of retraction plug.

Finally illustrate, above example is only unrestricted in order to the technical solution of the utility model to be described, although ginseng This utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent, the objective and model without deviating from technical solutions of the utility model Enclose, which all should be covered in the middle of right of the present utility model.

Claims (9)

1. a kind of oil cooler, it is characterised in that：Including the cooling water tank of coolant and being arranged at the cooling for accommodating Engine oil container in water tank for being cooled down to machine oil；The cooling water tank includes fixing or being integrally formed in outside cylinder body and position Bottom in the range of the cylinder body oil level and the case lid to form cooling water tank is fastened with the bottom.

2. oil cooler according to claim 1, it is characterised in that：The engine oil container is fixed near the bottom The inwall of cooling water tank.

3. oil cooler according to claim 2, it is characterised in that：The engine oil container with cooling water tank altogether bottom Mode is fixed on the bottom, and the machine oil in cylinder body flows through the machine oil by being arranged at the oil-in and oil-out of the bottom Container.

4. oil cooler according to claim 3, it is characterised in that：During installation, the oil-out is higher than the oil-feed Mouthful, and oil-in fix or integrally formed oriented engine oil container inside extend conduit.

5. oil cooler according to claim 2, it is characterised in that：The bottom is provided with to be held for fixedly mounting machine oil The annular mounting seat of device, the annular mounting seat are threaded connection with engine oil container and are sealed.

6. oil cooler according to claim 2, it is characterised in that：The case lid is provided with water inlet and outlet, institute State water inlet be provided with for control coolant enter cooling water tank in temperature-conserving valve.

7. oil cooler according to claim 6, it is characterised in that：Be provided with the case lid by the water inlet and The cooling water channel that outlet is connected with cooling water tank；The plug promoted by the push rod of temperature-conserving valve, institute is provided with the cooling water channel Stating plug is used for blocking pipeline of the cooling water channel between the water inlet and outlet of cooling water tank.

8. oil cooler according to claim 6, it is characterised in that：The case lid inner face is fixed with and water inlet pair The tubaeform kuppe that answers, the temperature-conserving valve are arranged in water inlet and are limited between case lid and kuppe vertically.

9. oil cooler according to claim 8, it is characterised in that：During installation, the outlet of the kuppe is higher than institute State engine oil container.