CN109058442A - Automotive transmission with simple fuel-flow control mechanism - Google Patents
Automotive transmission with simple fuel-flow control mechanism Download PDFInfo
- Publication number
- CN109058442A CN109058442A CN201810965664.XA CN201810965664A CN109058442A CN 109058442 A CN109058442 A CN 109058442A CN 201810965664 A CN201810965664 A CN 201810965664A CN 109058442 A CN109058442 A CN 109058442A
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- China
- Prior art keywords
- level
- thermostat
- oil
- grease chamber
- lubricating oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to the automotive transmissions with simple fuel-flow control mechanism.Including gear, mission case and oil sump；Fuel-flow control mechanism is equipped on side inner wall in oil sump；The mechanism includes the thermostat of gathering room, two or more；Gathering room is the box body of the horizontal strip shape of open top, and box body is shallowly rearranged to deep be sequentially communicated by grease chamber more than step-like second level, and the bottom of every grade of grease chamber is equipped with a thermostat.When automotive transmission is run, gathering room realizes the lubricating oil collected and splashed；When lubricating oil is filled with, overflowed from the top of gathering room；When environment temperature is high, thermostat is successively opened, and flow back into the lubricating oil collected in gathering room in oil sump, guarantees the basic functions such as the sufficient lubrication heat dissipation of transmission gear；When ambient temperatures are low, thermostat is closed, and the lubricating oil into gathering room cannot return to oil sump, so that the lubricating oil in oil sump will gradually decrease；Realize the oil mass for adjusting lubricating oil in oil sump.
Description
Technical field
The invention belongs to technical field of gear case lubrication, and in particular to a kind of automotive transmission, the automotive transmission packet
The manual automobile-used manual transmission of fuel oil, automatic transmission and multi gear for electric vehicle, automatic transmission and single-stage is included to subtract
Fast device.
Background technique
Speed changer is an important component in automotive power transmission system, the lubrication of transmission gear and heat dissipation etc.
All it be unable to do without transmission oil.The addition manner of traditional transmission oil be all add manually, once lubricating oil be added
After amount determines, the lubricants capacity in speed changer is just no longer changed.Lubricating oil viscosity will receive the influence of temperature.Therefore when outdoor
When temperature is lower, such as the cold districts such as winter or northeast, can lubricating oil viscosity be become larger.And transmission gear is to pass through
It splashes and lubricates, is i.e. the gear tooth portions of gear are immersed in the lubricating oil of speed changer oil sump, gear rotational agitation oil liquid, and oil liquid flies
It splashes, to play the role of lubrication.Thus when oil viscosity becomes larger, the resistance of gear agitation oil liquid will necessarily be made to become larger,
And the increase of lubricating oil viscosity can also make the oil film formed between gear field of conjugate blocked up, and resistance when gear rotates increases,
Power loss when speed changer transmitting power is further increased, to reduce the working efficiency of speed changer.Therefore when temperature becomes
When low, the lubricating oil in speed changer should be reduced.And when the temperature is high, lubricating oil viscosity reduces, and lubricating oil is thinning, then is nibbling
It closes and is not able to maintain enough oil films between the flank of tooth, oil film is more easily damaged, and two metal covering of pitch wheel is caused directly to connect
Touching, lubricating oil does not have lubrication well and heat dissipation effect should increase speed changer so as to cause the premature damage of gear at this time
In lubricants capacity, to enhance lubricating oil to the lubrication of transmission gear and heat dissipation and other effects.
Summary of the invention
In order to realize, lubricants capacity is easily adjusted automatically in automotive transmission, and the present invention provides a kind of with simple oil mass
The automotive transmission of control mechanism.
Automotive transmission with simple fuel-flow control mechanism, wherein automotive transmission includes the automobile-used manual transmission of fuel oil
Or automatic transmission or multi gear manual transmission for electric vehicle or multidrive for electric vehicle or single reduction gear；
The automotive transmission includes gear, mission case and oil sump, and improvement is:
Side upper inside wall in oil sump is equipped with fuel-flow control mechanism；
The fuel-flow control mechanism includes the thermostat of the second level of gathering room, set temperature from high to low or more；
The gathering room is the box body of the horizontal strip shape of open top, and the box body is by grease chamber group more than step-like second level
At grease chamber more than second level is sequentially communicated arrangement from shallow to deep, and the bottom of every grade of grease chamber is equipped with the thermostat of a corresponding temperature；
When automotive transmission is run, the fuel-flow control mechanism neither generates the interference with the rotation of gear middle gear, and energy
Realize that gathering room collects the lubricating oil to splash；When lubricating oil is filled with, overflowed from the top of gathering room；
When lubricating oil temperature is increased to 45-80 DEG C, the thermostat more than second level is successively opened, and makes collection in gathering room
Lubricating oil is flow back into oil sump, guarantees the basic functions such as the sufficient lubrication heat dissipation of transmission gear；When environment temperature is lower than 45
Degree Celsius when, the thermostat more than second level is turned off, and the lubricating oil into gathering room cannot return to oil sump, so that oily
Lubricating oil in bottom case will gradually decrease；Realize the oil mass for adjusting lubricating oil in oil sump.
The technical solution further limited is as follows:
The box body of the gathering room is made of step-like level-one grease chamber and second level grease chamber, the length of level-one grease chamber, width and two
The depth of the length, of same size of grade grease chamber, second level grease chamber is greater than level-one grease chamber；The level-one thermostat is fixed at primary oil
The bottom of room, the second level thermostat are fixed at the bottom of second level grease chamber.
The thermostat is waxtype thermostat.
Advantageous effects of the invention embody in the following areas:
1. not changing the other structures shape of existing automotive transmission, as long as installing one on automotive transmission oil sump medial surface
A gathering room and gathering room bottom install two thermostats, structure is simple, and cost is small, easy to spread.
2. fuel-flow control mechanism of the invention is not necessarily to power resources, because automobile gearbox gear is by stirring speed changer
Lubricating oil in oil sump carries out splashing lubrication, and gathering room, which is exactly based on, collects the splashing lubrication that gear generates in greasing
Oil realizes the control of lubricating oil in speed changer oil sump, is not necessarily to power.
3. fuel-flow control mechanism of the invention is realized when temperature is high, thermostat is opened, and makes the lubrication collected in gathering room
Oil stream returns in speed changer oil sump, to guarantee the basic functions such as the sufficient lubrication heat dissipation of transmission gear；When the temperature is low,
Thermostat is closed, and the lubricating oil that when such gear lubrication enters gathering room cannot be back to speed changer oil sump, so that speed changer
Lubricating oil in oil sump will gradually decrease.It thus can guarantee the profit in lubricating oil temperature variation, in speed changer oil sump
Lubricating oil amount is changed control, to guarantee that the lubricating oil in speed changer oil sump is not only able to satisfy lubrication heat dissipation of speed changer etc.
Basic function, and make lubricating oil few as far as possible, the resistance generated when subtracting pinion rotation by lubricating oil, to subtract
Small-power loss, improves efficiency.
Detailed description of the invention
Fig. 1 is second level oil pan structure schematic diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is three-level oil pan structure schematic diagram of the present invention.
Fig. 4 is the top view of Fig. 3.
Serial number in upper figure: oil sump 1, gathering room 2, level-one thermostat 3, second level thermostat 4, second level thermostat 5, primary oil
Room 21, second level grease chamber 22, three-level grease chamber 23.
Specific embodiment
With reference to the accompanying drawing, the present invention is further described through by embodiment.
Embodiment 1
The present embodiment is described further the present invention by taking the speed changer of the 2018 of Cherry's Tiggo 3 manual versions as an example.
Automotive transmission with simple fuel-flow control mechanism includes automotive transmission, and automotive transmission includes variable-speed motor
Structure, mission case and oil sump, improvement are: referring to Fig. 1 and 2, the side upper inside wall in oil sump is equipped with oil mass control
Mechanism processed；Fuel-flow control mechanism includes gathering room 2, level-one thermostat 3 and second level thermostat 4；The gathering room 2 of the present embodiment is by platform
The level-one grease chamber 21 and second level grease chamber 22 of scalariform form, and the bottom of every grade of grease chamber is mounted on thermostat;Level-one thermostat 3 and two
Grade thermostat 4 is waxtype thermostat, and the set temperature of level-one thermostat 3 is 50 DEG C, and the set temperature of second level thermostat 4 is 75
℃。
Referring to Fig. 1 and Fig. 2, gathering room 2 is the box body of the horizontal strip shape of open top, and box body is by step-like primary oil
Room 21 is connected to from shallow to deep with second level grease chamber 22 and rearranges；The length of level-one grease chamber 21 is 300mm, width 20mm, depth
For 30mm, therefore the volume of level-one grease chamber 21 is 180mL；The length of second level grease chamber 22 is 150mm, width 20mm, second level oil
The depth of room 22 is greater than level-one grease chamber 21, is 60mm, therefore the volume of second level grease chamber 22 is also 180mL；The total measurement (volume) of gathering room 2
It is 360mL for the sum of the volume of level-one grease chamber 21 and second level grease chamber 22；Level-one thermostat 3 is fixedly installed in level-one grease chamber 21
Bottom, second level thermostat 4 are fixedly installed in the bottom of second level grease chamber 22.22 lower end surface of second level grease chamber and its lower end transmission oil bottom
Plane keeping parallelism on shell 1, and distance is 60mm.
When automotive transmission is run, fuel-flow control mechanism neither generates the interference with the rotation of gear middle gear, and energy
Realize that gathering room 2 collects the lubricating oil to splash；When lubricating oil is filled with, overflowed from the top of gathering room 2.
The working principle of the invention is described as follows:
Automobile is after rigid starting, and lubricating oil temperature t is close with environment temperature, and t < 50 DEG C under normal circumstances, 3 He of level-one thermostat
All in off state, then the splashing lubricating oil generated when gear lubrication enters gathering room 2 can all be stored into second level thermostat 4
In gathering room 2, so that lubricating oil is reduced in speed changer oil sump 1.But 2 upper end of gathering room does not cover, stores when in gathering room 2
Lubricating oil can diffuse out when reaching 360mL, lubricating oil can be flow back into again in speed changer oil sump 1 again, so that speed changer
Lubricating oil in oil sump 1 is no longer reduced.
With continuing to run for automotive transmission, lubricating oil temperature t is increased.When lubricating oil temperature t is increased to 50 DEG C
When, level-one thermostat 3 slowly becomes channel status from open circuit, and second level thermostat 4 is still off state, then to splash enters collection
The lubricating oil of grease chamber 2 can slowly be flowed in speed changer oil sump 1 by the channel of level-one thermostat 3, and in level-one section temperature
Device 3 has just become access moment, and the 180mL oil liquid that level-one grease chamber 21 stores also can slowly be flow back into speed changer oil sump 1, so that
Lubricating oil increases in speed changer oil sump 1.
When automotive transmission continues to run, and lubricating oil temperature t reaches 75 DEG C, the holding channel status of level-one thermostat 3, two
Grade thermostat 4 also slowly becomes channel status from open circuit, and the lubricating oil to splash at this time into gathering room 2 can pass through level-one section temperature
The channel of device 3 and second level thermostat 4 slowly flows in speed changer oil sump 1, and has just become access wink in second level thermostat 4
Between, the 180mL oil liquid that second level grease chamber 22 stores also can slowly be flow back into speed changer oil sump 1, so that in speed changer oil sump 1
Lubricating oil increases.
When car deceleration traveling or parking etc., so that transmission oil temperature t is reduced.When transmission oil temperature
When t is reduced to 75 DEG C, second level thermostat 4 slowly becomes off state from access, and level-one thermostat 3 still keeps channel status, then
It splashes and enters some being stored in second level grease chamber 22 slowly of the lubricating oil of gathering room 2, some lubricating oil is then
It is flow back into speed changer oil sump 1 by level-one thermostat 3.
When transmission oil temperature t continues to be reduced to 50 DEG C, level-one thermostat 3 also will slowly become off state,
This situation is identical when just starting with automobile, and details are not described herein.
The above process teaches automobile transmission lubrication oil temperature t and is increased to t by t<50 DEG C>75 DEG C, then by t>75 DEG C
It drops in the whole process of t < 50 DEG C, when lubricating oil temperature t falls in different temperatures section, the course of work of fuel-flow control mechanism.When
Automobile transmission lubrication oil temperature t is arrived low again from low to high or is arrived height etc., speed changer oil mass control mechanism again from high to low
The course of work it is similar to the above process, details are not described herein.
Embodiment 2
The present embodiment also by taking the speed changer of the 2018 of Cherry's Tiggo 3 manual versions as an example, is described further the present invention.
Automotive transmission with simple fuel-flow control mechanism, improvement are: ginseng is seen figures 3 and 4, the side in oil sump
Upper inside wall is equipped with fuel-flow control mechanism；Fuel-flow control mechanism include gathering room 2, level-one thermostat 3, second level thermostat 4 and
Three-level thermostat 5；The gathering room 2 of the present embodiment is made of step-like level-one grease chamber 21, second level grease chamber 22 and three-level grease chamber 23,
The bottom of every grade of grease chamber is mounted on thermostat；Level-one thermostat 3, second level thermostat 4 and three-level thermostat 5 are wax formula section
Warm device, the set temperature of level-one thermostat 3 are 45 DEG C, and the set temperature of second level thermostat 4 is 65 DEG C, and three-level thermostat 5 is set
Determining temperature is 80 DEG C.
Referring to Fig. 3 and Fig. 4, gathering room 2 is the box body of the horizontal strip shape of open top, and box body is by step-like primary oil
Room 21, second level grease chamber 22 and three-level grease chamber 23 are connected to rearrange from shallow to deep；Level-one grease chamber 21, second level grease chamber 22 and three
Grade grease chamber 23 has identical width and depth, but grease chamber length is different；The length of level-one grease chamber 21 is 300mm, and width is
20mm, depth 30mm, therefore the volume of level-one grease chamber 21 is 180mL；The length of second level grease chamber 22 is 200mm, therefore second level
The volume of grease chamber 22 is 120mL；The length of three-level grease chamber 23 is 100mm, therefore the volume of three-level grease chamber 23 is 60mL；Gathering room
2 total measurement (volume) is the sum of level-one grease chamber 21, second level grease chamber 22 and volume of three-level grease chamber 23, is 360mL；Level-one thermostat 3
It is fixedly installed in the bottom of level-one grease chamber 21, second level thermostat 4 is fixedly installed in the bottom of second level grease chamber 22, three-level thermostat 5
It is fixedly installed in the bottom of three-level grease chamber 23.Plane keeps flat on 23 lower end surface of three-level grease chamber and its lower end speed changer oil sump 1
Row, and distance is 60mm.
When automotive transmission is run, fuel-flow control mechanism neither generates the interference with the rotation of gear middle gear, and energy
Realize that gathering room 2 collects the lubricating oil to splash；When lubricating oil is filled with, overflowed from the top of gathering room 2.
The working principle of the invention is described as follows:
Automobile is after rigid starting, and lubricating oil temperature t is close with environment temperature, and t < 45 DEG C under normal circumstances, level-one thermostat 3,
All in off state, then the splashing lubricating oil generated when gear lubrication enters oil-collecting for second level thermostat 4 and three-level thermostat 5
Room 2 can be all stored into gathering room 2, so that lubricating oil is reduced in speed changer oil sump 1.But 2 upper end of gathering room does not cover,
It can diffuse out and when the lubricating oil stored in gathering room 2 reaches 360mL, lubricating oil can flow back into speed changer oil sump again again
In 1, so that the lubricating oil in speed changer oil sump 1 is no longer reduced.
With continuing to run for automotive transmission, lubricating oil temperature t is increased.When lubricating oil temperature t is increased to 45 DEG C
When, level-one thermostat 3 slowly becomes channel status from open circuit, and second level thermostat 4 and three-level thermostat 5 are still all in breaking shape
State then allows the lubricating oil to splash into gathering room 2 slowly to flow to transmission oil bottom by the channel of level-one thermostat 3
In shell 1, and access moment is just become in level-one thermostat 3, the 180mL oil liquid that level-one grease chamber 21 stores also can slowly flow back into change
In fast device oil sump 1, so that lubricating oil increases in speed changer oil sump 1.
When automotive transmission continues to run, and lubricating oil temperature t reaches 65 DEG C, the holding channel status of level-one thermostat 3, two
Grade thermostat 4 also slowly becomes channel status from open circuit, and three-level thermostat 5 is still off state, splashes enter gathering room 2 at this time
Lubricating oil can slowly be flowed in speed changer oil sump 1 by the channel of level-one thermostat 3 and second level thermostat 4, and
Second level thermostat 4 has just become access moment, and the 120mL oil liquid that second level grease chamber 22 stores also can slowly flow back into speed changer oil sump
In 1, so that lubricating oil increases in speed changer oil sump 1.
After automotive transmission long-play, when lubricating oil temperature t reaches 80 DEG C, level-one thermostat 3 and second level section temperature
Device 4 all keeps channel status, and three-level thermostat 5 also slowly becomes channel status from open circuit, splashes enter the profit of gathering room 2 at this time
Lubricating oil can slowly flow to transmission oil bottom by the channel of level-one thermostat 3, second level thermostat 4 and three-level thermostat 5
In shell 1, and access moment is just become in three-level thermostat 5, the 60mL oil liquid that three-level grease chamber 23 stores also can slowly flow back into change
In fast device oil sump 1, so that lubricating oil increases in speed changer oil sump 1.
When car deceleration traveling or parking etc., so that transmission oil temperature t is reduced.When transmission oil temperature
When t is reduced to 80 DEG C, three-level thermostat 5 slowly becomes open circuit from access, and level-one thermostat 3 and second level thermostat 4 still keep logical
Line state then splashes into some being stored in three-level grease chamber 23 slowly of the lubricating oil of gathering room 2, some
Lubricating oil then passes through level-one thermostat 3 and second level thermostat 4 is flow back into speed changer oil sump 1.
When transmission oil temperature t is reduced to 65 DEG C, three-level thermostat 5 keeps off state, and second level thermostat 4 will
Slowly become off state, level-one thermostat 3 is still channel status, then some is slow for the lubricating oil to splash into gathering room 2
Slow is stored in three-level grease chamber 23 and second level grease chamber 22, some lubricating oil then passes through level-one thermostat 3 and flow back into
In speed changer oil sump 1.
When transmission oil temperature t continues to be reduced to 45 DEG C, second level thermostat 4 and three-level thermostat 5 keep open circuit
State, level-one thermostat 3 also will slowly become off state, this situation is identical when just starting with automobile, and details are not described herein.
The above process teaches automobile transmission lubrication oil temperature t and is increased to t by t<45 DEG C>80 DEG C, then by t>80 DEG C
It drops in the whole process of t < 45 DEG C, when lubricating oil temperature t falls in different temperatures section, the course of work of fuel-flow control mechanism.When
Automobile transmission lubrication oil temperature t is arrived low again from low to high or is arrived height etc., speed changer oil mass control mechanism again from high to low
The course of work it is similar to the above process, details are not described herein.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by the appended claims and its waits synchronous limit.
Claims (3)
1. with simple fuel-flow control mechanism automotive transmission, wherein automotive transmission include the automobile-used manual transmission of fuel oil or
Automatic transmission or multi gear manual transmission for electric vehicle or multidrive for electric vehicle or single reduction gear；Institute
Stating automotive transmission includes gear, mission case and oil sump, it is characterised in that:
Side upper inside wall in oil sump is equipped with fuel-flow control mechanism；
The fuel-flow control mechanism includes the thermostat of the second level of gathering room, set temperature from high to low or more；
The gathering room is the box body of the horizontal strip shape of open top, and the box body is by grease chamber group more than step-like second level
At grease chamber more than second level is sequentially communicated arrangement from shallow to deep, and the bottom of every grade of grease chamber is equipped with the thermostat of a corresponding temperature；
When automotive transmission is run, the fuel-flow control mechanism neither generates the interference with the rotation of gear middle gear, and energy
Realize that gathering room collects the lubricating oil to splash；When lubricating oil is filled with, overflowed from the top of gathering room；
When lubricating oil temperature is increased to 45-80 DEG C, the thermostat more than second level is successively opened, and makes collection in gathering room
Lubricating oil is flow back into oil sump, guarantees the basic functions such as the sufficient lubrication heat dissipation of transmission gear；When environment temperature is lower than 45
Degree Celsius when, the thermostat more than second level is turned off, and the lubricating oil into gathering room cannot return to oil sump, so that oily
Lubricating oil in bottom case will gradually decrease；Realize the oil mass for adjusting lubricating oil in oil sump.
2. the automotive transmission according to claim 1 with simple fuel-flow control mechanism, it is characterised in that: the oil-collecting
The box body of room is made of step-like level-one grease chamber and second level grease chamber, the length of level-one grease chamber, the length of width and second level grease chamber,
Of same size, the depth of second level grease chamber is greater than level-one grease chamber；The level-one thermostat is fixed at the bottom of level-one grease chamber, described
Second level thermostat is fixed at the bottom of second level grease chamber.
3. the automotive transmission according to claim 1 with simple fuel-flow control mechanism, it is characterised in that: the section temperature
Device is waxtype thermostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965664.XA CN109058442A (en) | 2018-08-23 | 2018-08-23 | Automotive transmission with simple fuel-flow control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965664.XA CN109058442A (en) | 2018-08-23 | 2018-08-23 | Automotive transmission with simple fuel-flow control mechanism |
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| Publication Number | Publication Date |
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| CN109058442A true CN109058442A (en) | 2018-12-21 |
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ID=64756829
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810965664.XA Pending CN109058442A (en) | 2018-08-23 | 2018-08-23 | Automotive transmission with simple fuel-flow control mechanism |
Country Status (1)
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| CN (1) | CN109058442A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864431A (en) * | 2020-06-30 | 2021-12-31 | 上汽通用汽车有限公司 | Active oil quantity control device, vehicle gearbox and vehicle |
-
2018
- 2018-08-23 CN CN201810965664.XA patent/CN109058442A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864431A (en) * | 2020-06-30 | 2021-12-31 | 上汽通用汽车有限公司 | Active oil quantity control device, vehicle gearbox and vehicle |
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Application publication date: 20181221 |