CN207470764U - A kind of fluid torque-converter controls oil circuit - Google Patents
A kind of fluid torque-converter controls oil circuit Download PDFInfo
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- CN207470764U CN207470764U CN201720548114.9U CN201720548114U CN207470764U CN 207470764 U CN207470764 U CN 207470764U CN 201720548114 U CN201720548114 U CN 201720548114U CN 207470764 U CN207470764 U CN 207470764U
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Abstract
The utility model is related to a kind of fluid torque-converters to control oil circuit, including fluid torque-converter control valve, fluid torque-converter separation oil circuit and fluid torque-converter combination oil circuit are equipped between the side of the fluid torque-converter control valve and the fluid torque-converter, the opposite side of the fluid torque-converter control valve is connected with fluid torque-converter control oil circuit, and the hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected on the fluid torque-converter control oil circuit；Hydraulic pressure control device controls the input oil pressure of fluid torque-converter control valve, will input oil pressure stabilization in some fixed value, the control oil circuit of fluid torque-converter is made, which not changed by the flow of working connection and oil pressure, to be influenced.
Description
Technical field
The utility model is related to a kind of fluid torque-converters to control oil circuit.
Background technology
In existing fluid torque-converter control oil circuit, when mechanical revolution speed changes, output flow variation leads to flow control
Valve action processed, the input terminal oil pressure and flow of the control valve of fluid torque-converter can all change, so as to cause fluid torque-converter
Control valve input oil pressure it is unstable, the control accuracy for leading to fluid torque-converter is not high.
Utility model content
A kind of fluid torque-converter the utility model proposes control accuracy that can effectively improve fluid torque-converter controls oil circuit.
To achieve the above object, the utility model provides following technical solution, and a kind of fluid torque-converter controls oil circuit, including
Fluid torque-converter control valve is equipped with fluid torque-converter between the side of the fluid torque-converter control valve and the fluid torque-converter
Separation oil circuit and fluid torque-converter combination oil circuit, the opposite side of the fluid torque-converter control valve are connected with fluid torque-converter control
Oil circuit, the fluid torque-converter control the oil pressure cntrol dress that control fluid torque-converter control valve input oil pressure is connected on oil circuit
It puts.
As preferred technical solution, the opposite side of the fluid torque-converter control valve is also associated with lubricant passage way, described
It is equipped between lubricant passage way and fluid torque-converter control oil circuit and adjusts oil circuit, the hydraulic pressure control device includes being located at described
The front end pressure maintaining valve on oil circuit is adjusted, the oil inlet end oil pressure stabilization of front end pressure maintaining valve described in the front end voltage stabilizing valve regulation is in fixation
Value, the oil inlet end of the front end pressure maintaining valve are close in the fluid torque-converter control oil circuit.
As preferred technical solution, the hydraulic pressure control device includes rear end pressure maintaining valve, and the rear end pressure maintaining valve is located at
On the fluid torque-converter control oil circuit, the oil outlet end oil pressure stabilization of rear end pressure maintaining valve described in the rear end voltage stabilizing valve regulation is solid
Definite value, the oil outlet end of the rear end pressure maintaining valve are close in the fluid torque-converter control valve.
As preferred technical solution, the fluid torque-converter controls oil circuit connection on the working connection equipped with oil pump, institute
It states and flow control valve is equipped between working connection and the lubricant passage way, the flow control valve is in lubricant passage way flow and working connection
Automatically working connection flow control is carried out under flow collective effect.
As preferred technical solution, it is additionally provided on the fluid torque-converter control oil circuit positioned at the hydraulic pressure control device
Oil pressure adjusting valve between the working connection, the oil pressure adjusting valve adjust the oil inlet end oil pressure of the oil pressure adjusting valve.
As preferred technical solution, the lubricant passage way is equipped with blocking adjusting oil circuit inner fluid and enters fluid torque-converter
The check valve of control valve.
As preferred technical solution, the front end pressure maintaining valve includes front end voltage stabilizing valve chamber, on the front end voltage stabilizing valve chamber
Equipped with oil inlet, the right side of the oil inlet is equipped with drain tap, and the left side of the oil inlet is equipped with oil outlet, the oil inlet and
The first spool is equipped between the oil outlet, the second spool, first valve are equipped between the oil inlet and the drain tap
Connecting rod is equipped between core and second spool, the left side of the right side of first spool and second spool is opposite,
The right side of first spool and the contact area of fluid are more than the left side of the second spool and the contact area of fluid；It is described
There are oil leak gap between the cavity wall of the side surface of second spool and the front end voltage stabilizing valve chamber, described in the oil leak gap connection
Second spool both sides of the face；It is equipped between first spool and the front end voltage stabilizing valve chamber and pushes the first spool to the oil inlet
First spring of mouth direction movement.
As preferred technical solution, the rear end pressure maintaining valve includes rear end voltage stabilizing valve chamber, on the rear end voltage stabilizing valve chamber
Equipped with the first oil outlet, the side of first oil outlet is equipped with oil return opening, and the opposite side of first oil outlet is equipped with first
Oil inlet, the oil return opening are located at the head of the rear end voltage stabilizing valve chamber, are set between the oil return opening and first oil outlet
There is third spool, the 4th spool, the third valve are equipped between first oil inlet and the tail portion of the rear end voltage stabilizing valve chamber
Second connecting rod is equipped between core and the 4th spool, the company of being always maintained at is equipped between first oil outlet and the oil return opening
Logical oil return circuit；It is equipped between 4th spool and the front end voltage stabilizing valve chamber and pushes the 4th spool fuel-displaced to described first
The second spring of mouth direction movement.
By adopting the above-described technical solution, a kind of fluid torque-converter control oil circuit, including fluid torque-converter control valve, institute
It states and fluid torque-converter separation oil circuit and hydraulic moment changeable is equipped between the side of fluid torque-converter control valve and the fluid torque-converter
Device combination oil circuit, the opposite side of the fluid torque-converter control valve are connected with fluid torque-converter control oil circuit, the hydraulic moment changeable
The hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected on device control oil circuit；Hydraulic pressure control device is to liquid
The input oil pressure of power torque converter control valve is controlled, will input oil pressure stabilization in some fixed value, make the control of fluid torque-converter
Liquefaction road is not influenced by the flow of working connection and oil pressure variation.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of another hydraulic pressure control device in the utility model embodiment；
Fig. 3 is the operation principle schematic diagram of front end pressure maintaining valve in the utility model embodiment；
Fig. 4 is the operation principle schematic diagram of rear end pressure maintaining valve in the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of fluid torque-converter control oil circuit, including fluid torque-converter control valve 1, the fluid torque-converter
Fluid torque-converter separation oil circuit 3 and fluid torque-converter combination oil circuit are equipped between the side of control valve 1 and the fluid torque-converter 2
4, the opposite side of the fluid torque-converter control valve 1 is connected with fluid torque-converter control oil circuit 5, the fluid torque-converter control oil
The hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected on road 5.Hydraulic pressure control device is to hydraulic moment changeable
The input oil pressure of device control valve is controlled, will input oil pressure stabilization in some fixed value, make the control oil circuit of fluid torque-converter
It is not influenced by the flow of working connection and oil pressure variation.
The opposite side of the fluid torque-converter control valve 1 is also associated with lubricant passage way 6, the lubricant passage way 6 and the liquid
It is equipped between power torque-converters control oil circuit 5 and adjusts oil circuit 7, the hydraulic pressure control device includes being located on the adjusting oil circuit 7
Front end pressure maintaining valve 8, the front end pressure maintaining valve 8 adjusts the oil inlet end oil pressure stabilization of the front end pressure maintaining valve 8 in fixed value, before described
The oil inlet end of end pressure maintaining valve 8 is close in the fluid torque-converter control oil circuit 5.
The lubricant passage way 6 is equipped with blocking and adjusts the check valve 13 that oil circuit inner fluid enters fluid torque-converter control valve 1.
Front end pressure maintaining valve can stablize the front end oil circuit (namely oil circuit of front end pressure maintaining valve oil inlet end) of front end pressure maintaining valve
In certain fixation oil pressure value, make the control oil circuit of fluid torque-converter not influenced by the flow of working connection and oil pressure variation；Front end is steady
The oil circuit connection lubricant passage way of pressure valve oil outlet end, and check valve is set between fluid torque-converter control valve, it avoids becoming fluid power
Square device control valve has an impact；So as to improve the control accuracy of fluid torque-converter.The oil circuit of the oil inlet end of front end pressure maintaining valve can
To stablize in certain fixation oil pressure value, concrete structure repeats no more.
As shown in Fig. 2, the another embodiment as hydraulic pressure control device, it is steady that the hydraulic pressure control device includes rear end
Pressure valve 9, the rear end pressure maintaining valve 9 are located on fluid torque-converter control oil circuit 5, the rear end pressure maintaining valve 9 adjust it is described after
Holding the oil outlet end oil pressure stabilization of pressure maintaining valve 9, the oil outlet end of the rear end pressure maintaining valve 9 is close in the fluid torque-converter in fixed value
Control valve 1.
Increase rear end pressure maintaining valve before fluid torque-converter control valve, which can be by the rear end of rear end pressure maintaining valve
Oil circuit (namely oil circuit of rear end pressure maintaining valve oil outlet end) is stablized in certain fixation oil pressure value, make the control oil circuit of fluid torque-converter not by
The influence of flow and the oil pressure variation of working connection, so as to improve the control accuracy of fluid torque-converter.Rear end pressure maintaining valve it is fuel-displaced
The oil circuit at end can be stablized in certain fixation oil pressure value, and concrete structure repeats no more.
The fluid torque-converter control oil circuit 5 is connected on the working connection 10 equipped with oil pump 14, the working connection 10 and institute
It states and flow control valve 11 is equipped between lubricant passage way 6, the flow control valve 11 is in 10 flow of 6 flow of lubricant passage way and working connection
Automatically working connection flow control is carried out under collective effect.
It is additionally provided between the hydraulic pressure control device and the working connection 10 on the fluid torque-converter control oil circuit 5
Oil pressure adjusting valve 12, the oil pressure adjusting valve 12 adjusts the oil inlet end oil pressure of the oil pressure adjusting valve 12.
As shown in figure 3, the front end pressure maintaining valve include front end voltage stabilizing valve chamber 15, the front end voltage stabilizing valve chamber 15 be equipped with into
Hydraulic fluid port 16, the right side of the oil inlet 16 are equipped with drain tap 17, and the left side of the oil inlet 16 is equipped with oil outlet 18, the oil inlet
The first spool 19 is equipped between mouth 16 and the oil outlet 18, the second valve is equipped between the oil inlet 16 and the drain tap 17
Core 20 is equipped with connecting rod 21,22 He of right side of first spool 19 between first spool 19 and second spool 20
The left side 23 of second spool 20 is opposite, and the right side of first spool 19 and the contact area of fluid are more than the second valve
The left side 23 of core 20 and the contact area of fluid；The cavity wall of the side surface of second spool and the front end voltage stabilizing valve chamber it
Between have there are oil leak gap, the oil leak gap connects the second spool both sides of the face；Fluid is leaked out through the oil leak gap
It is equipped with to drain tap 17, between first spool and the front end voltage stabilizing valve chamber and pushes the first spool to the oil inlet direction
First spring 33 of movement.The oil pressure P1 of oil inlet acts on the right side of first spool 19 and the left end of the second spool 20
On the difference in areas △ S of the contact surface of face 23 and fluid, the force balance with the first spring 33 stablizes P1 specific at some
Value.F1=P1* △ S=Fspring, when spool is from original state to end-state, it is ensured that P1 stablizes in a certain range
It is interior constant.
As shown in figure 4, the rear end pressure maintaining valve includes rear end voltage stabilizing valve chamber 25, the rear end voltage stabilizing valve chamber 25 is equipped with the
One oil outlet 26, the side of first oil outlet 26 are equipped with oil return opening 27, and the opposite side of first oil outlet 26 is equipped with the
One oil inlet 28, the oil return opening 27 are located at the head of the rear end voltage stabilizing valve chamber 25, and the oil return opening 27 and described first goes out
Third spool 29 is equipped between hydraulic fluid port 26, the is equipped between first oil inlet 28 and the tail portion of the rear end voltage stabilizing valve chamber 25
Four spools 30 are equipped with second connecting rod 31,26 He of the first oil outlet between the third spool 29 and the 4th spool 30
The oil return circuit 32 for being always maintained at connection is equipped between the oil return opening 27；4th spool and the front end voltage stabilizing valve chamber it
Between be equipped with and push the second spring 34 that is moved to the first oil outlet direction of the 4th spool；The oil pressure P2 effects of first oil outlet
On end face of the third spool 29 adjacent to oil return opening 27, the force balance with second spring 34, i.e.,：P2*S=Fspring,
Third spool 29 is S adjacent to the area of the end face of oil return opening 27.Due to spring-force driven dual, when spool is from original state to finally
During state, it is ensured that P2 stablizes constant in a certain range.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of fluid torque-converter controls oil circuit, which is characterized in that including fluid torque-converter control valve, the fluid torque-converter control
Fluid torque-converter separation oil circuit and fluid torque-converter combination oil circuit are equipped between the side of valve processed and the fluid torque-converter, it is described
The opposite side of fluid torque-converter control valve is connected with fluid torque-converter control oil circuit, is connected on the fluid torque-converter control oil circuit
There is the hydraulic pressure control device of control fluid torque-converter control valve input oil pressure.
2. fluid torque-converter as described in claim 1 controls oil circuit, which is characterized in that the fluid torque-converter control valve it is another
Side is also associated with lubricant passage way, is equipped between the lubricant passage way and fluid torque-converter control oil circuit and adjusts oil circuit, institute
It states hydraulic pressure control device and includes the front end pressure maintaining valve being located on the adjusting oil circuit, front end described in the front end voltage stabilizing valve regulation is steady
The oil inlet end oil pressure stabilization of pressure valve is close in the fluid torque-converter control oil in fixed value, the oil inlet end of the front end pressure maintaining valve
Road.
3. fluid torque-converter as claimed in claim 2 controls oil circuit, which is characterized in that the hydraulic pressure control device includes rear end
Pressure maintaining valve, the rear end pressure maintaining valve are located on the fluid torque-converter control oil circuit, rear end described in the rear end voltage stabilizing valve regulation
The oil outlet end oil pressure stabilization of pressure maintaining valve is close in the fluid torque-converter control in fixed value, the oil outlet end of the rear end pressure maintaining valve
Valve.
4. fluid torque-converter as claimed in claim 2 controls oil circuit, which is characterized in that the fluid torque-converter control oil circuit connects
It is connected on the working connection equipped with oil pump, flow control valve, the flow control is equipped between the working connection and the lubricant passage way
Valve processed carries out working connection flow control automatically under lubricant passage way flow and working connection flow collective effect.
5. fluid torque-converter as claimed in claim 4 controls oil circuit, which is characterized in that on the fluid torque-converter control oil circuit
The oil pressure adjusting valve being additionally provided between the hydraulic pressure control device and the working connection, described in the oil pressure adjusting valve is adjusted
The oil inlet end oil pressure of oil pressure adjusting valve.
6. fluid torque-converter as claimed in claim 5 controls oil circuit, which is characterized in that the lubricant passage way is equipped with blocking and adjusts
Fuel-economizing road inner fluid enters the check valve of fluid torque-converter control valve.
7. fluid torque-converter as claimed in claim 3 controls oil circuit, which is characterized in that it is steady that the front end pressure maintaining valve includes front end
Pressure valve chamber, the front end voltage stabilizing valve chamber are equipped with oil inlet, and the right side of the oil inlet is equipped with drain tap, a left side for the oil inlet
Side is equipped with oil outlet, is equipped with the first spool between the oil inlet and the oil outlet, the oil inlet and the drain tap it
Between be equipped with the second spool, between first spool and second spool be equipped with connecting rod, the right side of first spool and
The left side of second spool is opposite, and the right side of first spool and the contact area of fluid are more than a left side for the second spool
End face and the contact area of fluid；There are oil leaks between the cavity wall of the side surface of second spool and the front end voltage stabilizing valve chamber
Gap, the oil leak gap connect the second spool both sides of the face；Between first spool and the front end voltage stabilizing valve chamber
Equipped with the first spring that the first spool is pushed to be moved to the oil inlet direction.
8. fluid torque-converter as claimed in claim 7 controls oil circuit, which is characterized in that it is steady that the rear end pressure maintaining valve includes rear end
Pressure valve chamber, the rear end voltage stabilizing valve chamber are equipped with the first oil outlet, and the side of first oil outlet is equipped with oil return opening, and described the
The opposite side of one oil outlet is equipped with the first oil inlet, and the oil return opening is located at the head of the rear end voltage stabilizing valve chamber, the oil return
Third spool is equipped between mouth and first oil outlet, between first oil inlet and the tail portion of the rear end voltage stabilizing valve chamber
Equipped with the 4th spool, second connecting rod, first oil outlet and described are equipped between the third spool and the 4th spool
The oil return circuit for being always maintained at connection is equipped between oil return opening；It is equipped with and pushes away between 4th spool and the front end voltage stabilizing valve chamber
The second spring that dynamic 4th spool is moved to the first oil outlet direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548114.9U CN207470764U (en) | 2017-05-17 | 2017-05-17 | A kind of fluid torque-converter controls oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548114.9U CN207470764U (en) | 2017-05-17 | 2017-05-17 | A kind of fluid torque-converter controls oil circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207470764U true CN207470764U (en) | 2018-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548114.9U Active CN207470764U (en) | 2017-05-17 | 2017-05-17 | A kind of fluid torque-converter controls oil circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420538A (en) * | 2017-05-17 | 2017-12-01 | 盛瑞传动股份有限公司 | A kind of fluid torque-converter controls oil circuit |
| CN110159733A (en) * | 2019-05-24 | 2019-08-23 | 盛瑞传动股份有限公司 | Oil line arrangement structure and gearbox |
-
2017
- 2017-05-17 CN CN201720548114.9U patent/CN207470764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420538A (en) * | 2017-05-17 | 2017-12-01 | 盛瑞传动股份有限公司 | A kind of fluid torque-converter controls oil circuit |
| CN110159733A (en) * | 2019-05-24 | 2019-08-23 | 盛瑞传动股份有限公司 | Oil line arrangement structure and gearbox |
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