CN207034162U - Gearshift hydraulic control system, speed changer and automobile - Google Patents
Gearshift hydraulic control system, speed changer and automobile Download PDFInfo
- Publication number
- CN207034162U CN207034162U CN201720734294.XU CN201720734294U CN207034162U CN 207034162 U CN207034162 U CN 207034162U CN 201720734294 U CN201720734294 U CN 201720734294U CN 207034162 U CN207034162 U CN 207034162U
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- oil
- valve
- cylinder chamber
- circuit
- control system
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Abstract
The utility model discloses one kind gearshift hydraulic control system, speed changer and automobile, including：Oil pump and oil return fuel tank, the oil pump is parallel with the first oil cylinder chamber and the second oil cylinder chamber, the first oil circuit is formed between the oil pump and the first oil cylinder chamber, the second oil circuit is formed between the oil pump and the second oil cylinder chamber, hydraulic valve is connected with second oil circuit, oil return circuit is connected between the oil pump and hydraulic valve, overflow valve is connected with the oil return circuit, the overflow valve is connected with oil return fuel tank.Gearshift hydraulic control system, speed changer and automobile provided by the utility model can ensure the stationarity of automobile gear shift.
Description
Technical field
The utility model embodiment is related to automobile manufacturing field, more particularly to a kind of gearshift hydraulic control system, speed changer
And automobile.
Background technology
When automobile gear shift, the fluid that automobile gear shift hydraulic control system is used between control oil pump and oil cylinder flows, oil
Liquid promotes the piston movement in oil cylinder to realize the holding of clutch-plate and separation by the fluid pumped in oil pump, that is, real
The gear shift operation of existing automobile.In the prior art between whole oil pump and oil cylinder without buffer unit, because the oil pressure of oil pump is constant,
During gearshift, the pressure of oil pump can directly impact oil cylinder, and the impact to oil cylinder is larger, cause the stationarity of gearshift bad.
Utility model content
The utility model provides a kind of gearshift hydraulic control system, speed changer and automobile, of the prior art to solve
Defect, realize steady gearshift.
On the one hand the utility model provides a kind of gearshift hydraulic control system, including：Oil pump and oil return fuel tank, the oil pump
Be parallel with the first oil cylinder chamber and the second oil cylinder chamber, form the first oil circuit between the oil pump and the first oil cylinder chamber, the oil pump with
The second oil circuit is formed between second oil cylinder chamber, hydraulic valve is connected with second oil circuit, between the oil pump and hydraulic valve
Oil return circuit is connected with, overflow valve is connected with the oil return circuit, the overflow valve is connected with oil return fuel tank.
Further, also it is in series with first segment on second oil circuit and between the oil pump and the hydraulic valve
Flow valve and second throttle.
Further, it is provided with the 3rd choke valve, the 4th choke valve and the first check valve on first oil circuit, described
Three choke valves are connected with the first check valve, and the 4th choke valve is in parallel with the 3rd choke valve and the first check valve, and described
Direction conducting of one check valve along the 3rd choke valve to the first oil cylinder chamber.
Further, it is provided with the 5th choke valve, the 6th choke valve and the second check valve on second oil circuit, described
Five choke valves are connected with the second check valve, and the 6th choke valve is in parallel with the 5th choke valve and the second check valve, and described
Direction conducting of two check valves along the 5th choke valve to the second oil cylinder chamber.
On the other hand the utility model provides a kind of speed changer, it is characterised in that be provided with the speed changer as taken up an official post
Gearshift hydraulic control system described in one.
The another aspect of the utility model provides a kind of automobile, and speed changer as described above is provided with the automobile.
Gearshift hydraulic control system, speed changer and automobile provided by the utility model, are overflow by being connected on oil return circuit
Valve is flowed, by the oil pressure of the oil circuit of overflow valve regulation second, back pressure can be produced, make cylinder piston motion steady, in the first oil cylinder
During chamber oil-feed is switched to the second oil cylinder chamber oil-feed so that stable pressure is able to maintain that on the second oil circuit, to oil cylinder
Piston will not cause greater impact, ensure the smoothness and stability of gearshift.
Brief description of the drawings
Fig. 1 is the structural representation for the gearshift hydraulic control system that the embodiment of the utility model one provides.
Reference：
1- oil pumps；2- oil return fuel tanks；3- the first oil cylinder chambers；
4- the second oil cylinder chambers；The oil circuits of 5- first；The oil circuits of 6- second；
7- hydraulic valves；8- oil return circuits；9- overflow valves；
10- first throttle valves；11- second throttle；The choke valves of 12- the 3rd；
The choke valves of 13- the 4th；The check valves of 14- first；The choke valves of 15- the 5th；
The choke valves of 16- the 6th；The check valves of 17- second；The choke valves of 18- the 7th.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one
Fig. 1 is the structural representation for the gearshift hydraulic control system that the embodiment of the utility model one provides.It refer to accompanying drawing
1, the present embodiment provides a kind of gearshift hydraulic control system, including：Oil pump 1 and oil return fuel tank 2, oil pump 1 are parallel with the first oil cylinder
The oil cylinder chamber 4 of chamber 3 and second, forms the first oil circuit 5 between the oil cylinder chamber 3 of oil pump 1 and first, shape between the oil cylinder chamber 4 of oil pump 1 and second
Into the second oil circuit 6, hydraulic valve 7 is connected with the second oil circuit 6, oil return circuit 8, oil return are connected between oil pump 1 and hydraulic valve 7
Overflow valve 9 is connected with oil circuit 8, overflow valve 9 is connected with oil return fuel tank 2.
Specifically, the first oil cylinder chamber 3 and the second oil cylinder chamber 4 are used to connect clutch respectively, changed with driving clutch
Gear manipulates, and in gearshift, the intermediate period of the oil-feed of the second oil cylinder chamber 4 is switched to by the oil-feed of the first oil cylinder chamber 3, passes through oil return circuit
Overflow valve 9 on 8 maintains the oil liquid pressure in the second oil circuit 6 so that the valve element of hydraulic valve 7 is able to maintain that relatively steady at one
Fixed position, and make when oil pump 1 pumps fluid by the second oil circuit 6 to the second oil cylinder chamber 4, overflow valve 9 plays regulating system
The effect of pressure, so that shift control is more smoothly and stably, reduce shift shock.
The gearshift hydraulic control system that the present embodiment provides, by overflow valve 9 of being connected on oil return circuit 8, pass through overflow
Valve 9 adjusts the oil pressure of the second oil circuit 6, can produce back pressure, make cylinder piston motion steady, switches in the oil-feed of the first oil cylinder chamber 3
During the oil-feed of the second oil cylinder chamber 4 so that stable pressure is able to maintain that on the second oil circuit 6, will not to oil cylinder piston
Greater impact is caused, ensures the smoothness and stability of gearshift.Gearshift hydraulic control system in the present embodiment, due to adding
Overflow valve 9, but also the pressure oil at overflow valve 9 can be guided to each idle hydraulic valve (such as hydraulic valve 7) place, this
Sample in the operating condition, the valve element of these idle hydraulic valves, can also be controlled by small pressure oil and be in one relatively
Constant opening position, be just not in the situation of oil circuit sinuous flow when gear is converted so.And it also ensure that gear shift
Smoothness and stability, can preferably resist the situation of climb and fall and car strenuous vibration.
Further, first throttle valve 10 can also be in series with the second oil circuit 6 and between oil pump 1 and hydraulic valve 7
With second throttle 11.On the second oil circuit 6, the second oil circuit is controlled by the first throttle valve 10 and second throttle 11 of series connection
The flow of fluid in 6, preferably control input are further ensured that gearshift is steady to the oil liquid pressure in the second oil cylinder chamber 4.
It is also provided with the 3rd choke valve 12, the 4th choke valve 13 and the first check valve 14 on the first oil circuit 5, Section three
Stream valve 12 is connected with the first check valve 14, and the 4th choke valve 13 is in parallel with the 3rd choke valve 12 and the first check valve 14, and first
Direction conducting of the check valve 14 along the 3rd the 12 to the first oil cylinder of choke valve chamber 3.Specifically, can be by the entrance of the first check valve 14
It is connected with the 3rd choke valve 12, the outlet of the first check valve 14 is connected with the first oil cylinder chamber 3, in the first oil cylinder 3 oil-feed of chamber, oil
Liquid is flowed in the first oil cylinder chamber 3 by the 3rd choke valve 12, the first check valve 14 and the 4th choke valve 13, passes through choke valve
Throttling action so that the flow of hydraulic oil is further controlled, and fluid impacts smaller to oil cylinder piston during gearshift, is advantageous to protect
Card gearshift is steady.Also, in oil return, due to the first check valve 14 can only one-way conduction, the fluid in the first oil cylinder chamber 3 is only capable of
First oil cylinder chamber 3 is flowed out by the 4th choke valve 13, only once throttles, enables to shift speed to be unlikely to too low, while the
Four choke valves 13 also function to certain cushioning effect, and gearshift is steady.
It is similar, it is provided with the 5th choke valve 15, the 6th choke valve 16 and the second check valve 17 on the second oil circuit 6, the 5th
Choke valve 15 is connected with the second check valve 17, and the 6th choke valve 16 is in parallel with the 5th choke valve 15 and the second check valve 17, the
Direction conducting of two check valves 17 along the 5th the 15 to the second oil cylinder of choke valve chamber 4.5th choke valve 15, the 6th choke valve 16 and
The effect of two check valves 17 and principle and the 3rd choke valve 12, the 4th choke valve 13 and the first check valve 14 on the first oil circuit 5
It is similar, it will not be repeated here.Certainly, the 7th choke valve 18 can also be connected in the exit of hydraulic valve 7, multiple choke valves are matched somebody with somebody
Close, the fluid flow on the second oil circuit 6 is reliably controlled.
Embodiment two
The present embodiment provides a kind of speed changer, and the gearshift hydraulic pressure control being performed as described above described in example one is provided with the speed changer
System processed.
Wherein, the 26S Proteasome Structure and Function for hydraulic control system of shifting gears is same as the previously described embodiments, and therefore not to repeat here.
Embodiment three
A kind of automobile, the speed changer that embodiment two is provided is installed on automobile.The automobile that the present embodiment provides is being shifted gears
During it is more smooth and stably, users'comfort is preferable.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (6)
1. one kind gearshift hydraulic control system, it is characterised in that including：Oil pump and oil return fuel tank, the oil pump are parallel with first
Oil cylinder chamber and the second oil cylinder chamber, the first oil circuit, the oil pump and the second oil cylinder chamber are formed between the oil pump and the first oil cylinder chamber
Between form the second oil circuit, be connected with hydraulic valve on second oil circuit, oil return be connected between the oil pump and hydraulic valve
Oil circuit, overflow valve is connected with the oil return circuit, the overflow valve is connected with oil return fuel tank.
2. gearshift hydraulic control system according to claim 1, it is characterised in that on second oil circuit and in institute
State and be also in series with first throttle valve and second throttle between oil pump and the hydraulic valve.
3. gearshift hydraulic control system according to claim 2, it is characterised in that the 3rd is provided with first oil circuit
Choke valve, the 4th choke valve and the first check valve, the 3rd choke valve are connected with the first check valve, the 4th choke valve with
3rd choke valve and the first check valve are in parallel, and first check valve is along the 3rd choke valve to the first oil cylinder chamber
Direction turns on.
4. gearshift hydraulic control system according to claim 3, it is characterised in that the 5th is provided with second oil circuit
Choke valve, the 6th choke valve and the second check valve, the 5th choke valve are connected with the second check valve, the 6th choke valve with
5th choke valve and the second check valve are in parallel, and second check valve is along the 5th choke valve to the second oil cylinder chamber
Direction turns on.
A kind of 5. speed changer, it is characterised in that gearshift of the installation described in just like any one of Claims 1 to 4 in the speed changer
Hydraulic control system.
6. a kind of automobile, it is characterised in that speed changer as claimed in claim 5 is provided with the automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734294.XU CN207034162U (en) | 2017-06-22 | 2017-06-22 | Gearshift hydraulic control system, speed changer and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734294.XU CN207034162U (en) | 2017-06-22 | 2017-06-22 | Gearshift hydraulic control system, speed changer and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034162U true CN207034162U (en) | 2018-02-23 |
Family
ID=61468775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734294.XU Expired - Fee Related CN207034162U (en) | 2017-06-22 | 2017-06-22 | Gearshift hydraulic control system, speed changer and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114217A (en) * | 2017-06-22 | 2019-01-01 | 内蒙古欧意德发动机有限公司 | Shift hydraulic control system, speed changer and automobile |
-
2017
- 2017-06-22 CN CN201720734294.XU patent/CN207034162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114217A (en) * | 2017-06-22 | 2019-01-01 | 内蒙古欧意德发动机有限公司 | Shift hydraulic control system, speed changer and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |