CN106740095A - A kind of hydraulic booster - Google Patents
A kind of hydraulic booster Download PDFInfo
- Publication number
- CN106740095A CN106740095A CN201611061634.3A CN201611061634A CN106740095A CN 106740095 A CN106740095 A CN 106740095A CN 201611061634 A CN201611061634 A CN 201611061634A CN 106740095 A CN106740095 A CN 106740095A
- Authority
- CN
- China
- Prior art keywords
- oil
- piston
- depression bar
- housing
- oil duct
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The present invention proposes a kind of hydraulic booster, including housing, a cavity is provided with the housing, cavity one end closing, piston component is provided with the cavity, the piston component other end is provided with check valve, some oil ducts connected with the cavity are provided with the side wall of the housing, some corresponding hydraulic fluid ports are provided with the oil duct, some corresponding oil pockets are sealed between the piston component and the housing, the present invention can reduce operating personnel to clutch pedal and the labour intensity trampled dynamics, reduce operating personnel of brake pedal.
Description
Technical field
The invention belongs to technical field of engineering machinery, more particularly to a kind of hydraulic booster.
Background technology
At present, greatly developing with National agricultural mechanization, large-scale farm machinery application is more and more extensive.Large-scale agriculture
Possesses larger weight with machinery, during actually used, operating personnel is realized to machine by controlling clutch and braking
The manipulation of tool.
Because farm machinery possesses larger weight, it is necessary to larger thrust could promote clutch pedal and brake pedal,
So operating personnel needs that the pedal force for being applied to clutch pedal and brake pedal is larger, and the labour intensity of operating personnel is high.
Therefore, need a kind of hydraulic booster badly now, operating personnel can be reduced clutch pedal and brake pedal are stepped on
Legpower degree, reduces the labour intensity of operating personnel.
The content of the invention
The present invention proposes a kind of hydraulic booster, solves the pedal force in the prior art to clutch pedal and brake pedal
It is larger, the labour intensity of operating personnel problem high.
The technical proposal of the invention is realized in this way：Hydraulic booster, including housing, are provided with a cavity on housing,
Cavity one end is closed, and piston component is provided with cavity, and the piston component other end is provided with check valve, is set on the side wall of housing
There are some oil ducts connected with cavity, some hydraulic fluid ports corresponding with oil duct are provided with oil duct, it is close between piston component and housing
Seal into some corresponding oil pockets.
Preferred embodiment oil duct includes the first oil duct, the second oil duct and the 3rd oil duct as a kind of, hydraulic fluid port include into
Hydraulic fluid port, oil-out and connected tank mouthful, oil inlet connect the first oil duct with the first oil head, and connected tank mouthful the second oil duct of connection goes out
Hydraulic fluid port connects the 3rd oil duct, and oil-out and the 3rd oil duct near the blind end of cavity.
As one kind preferred embodiment, piston component includes the brake piston near check valve, connects with brake piston
The boosting piston for connecing, the depression bar piston being connected with boosting piston, depression bar piston is provided with piston rod, and piston rod is slided and set
It is placed in boosting piston, the depression bar piston other end is connected with depression bar, depression bar connection outer brake pedal.
Preferred embodiment to be caved inward in the middle of the shell of boosting piston and surround the first oil pocket with housing as a kind of,
First oil pocket is connected by the first oil duct with oil inlet；Caved inward in the middle of the shell of the second brake piston and surround second with housing
Oil pocket, the second oil pocket is connected by the second oil duct with connected tank mouthful；Brake piston is formed near housings close end side with housing
3rd oil pocket, the 3rd oil pocket is connected by the 3rd oil duct with oil-out.
As one kind preferred embodiment, brake piston is provided with valve cavity near the 3rd oil pocket end, and check valve is set
In in valve cavity.
Path is preferred embodiment provided with valve cavity as a kind of, path is connected with the second oil pocket.
As one kind preferred embodiment, (the first back-moving spring, boosting piston and braking are arranged with outside brake piston
Second back-moving spring is provided between piston.
As one kind preferred embodiment, depression bar piston exterior is provided with fixed cover, and fixed cover is secured by bolts in
On housing.
As one kind preferred embodiment, brake piston is provided with spring plenum length near boosting piston one end, and second answers
Position spring is arranged in spring plenum length.
As one kind preferred embodiment, depression bar is stretched into depression bar piston, and is fixed by fixture block, outside the depression bar
Resilient sleeve is provided with, and the depression bar stretches out the resilient sleeve.
After employing above-mentioned technical proposal, the beneficial effects of the invention are as follows：When operator is trampling clutch pedal or system
During dynamic pedal, depression bar movement, depression bar interlocks piston rod and is moved in boosting piston, and oil inlet is passed through hydraulic oil, due to work
Plug connecting rod and boosting piston are opened and closed and coordinated, and when startup position is moved to, hydraulic oil is entered in the first oil duct by oil inlet, and
Entered in the first oil pocket by the first oil duct, the first oil pocket is the end face of boosting piston, the thrust of hydraulic oil causes boosting piston edge
Housing movement, until oil inlet is closed, the oil liquid pressure in the second oil pocket is higher, and the 3rd oil pocket is imported by second channel
It is interior, and high-voltage oil liquid is imported into brake apparatus from the oil-out of the 3rd oil pocket, so as to play the power-assisted effect to brake apparatus, drop
The labour intensity of low operating personnel.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the structure schematic diagram of knot hydraulic booster of the invention.
In figure, 1- oil-outs；The oil ducts of 2- the 3rd；3- connected tanks mouthful；4- (the first back-moving springs；5- oil inlets；6- power-assisteds are lived
Plug；7- depression bar pistons；8- check valves；9- brake pistons；10- depression bars；The oil pockets of 11- second；12- bolts；The oil pockets of 13- first；14-
First oil duct；The oil pockets of 15- the 3rd；The oil ducts of 16- second；17- second back-moving springs.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of hydraulic booster is the embodiment of the invention provides, including housing, it is provided with housing
Chamber, cavity one end closing, is provided with piston component in cavity, the piston component other end is provided with check valve 8, on the side wall of housing
Be provided with some oil ducts connected with cavity, be provided with some hydraulic fluid ports corresponding with oil duct on oil duct, piston component and housing it
Between be sealed to some corresponding oil pockets.
Oil duct include the first oil duct 14, the second oil duct 16 and the 3rd oil duct 2, hydraulic fluid port include oil inlet 5, oil-out 1 and
Connected tank mouthful 3, oil inlet 5 connects the first oil duct 14 with the first oil head, and connected tank mouthful 3 connects the second oil duct 16, and oil-out 1 is connected
3rd oil duct 2, and the oil duct 2 of oil-out 1 and the 3rd is near the blind end of cavity.
Piston component includes the brake piston 9 near check valve 8, the boosting piston 6 being connected with brake piston 9, with power-assisted
The depression bar piston 7 of the connection of piston 6, depression bar piston 7 is provided with piston rod, and piston rod is slideably positioned in boosting piston 6,
The other end of depression bar piston 7 is connected with depression bar 10, the connection outer brake pedal of depression bar 10.
Caved inward in the middle of the shell of boosting piston 6 and surround the first oil pocket 13 with housing, the first oil pocket 13 is by the first oil
Road 14 is connected with oil inlet 5；Caved inward in the middle of the shell of the second brake piston 9 and surround the second oil pocket 11, the second oil with housing
Chamber 11 is connected by the second oil duct 16 with connected tank mouthful 3；Brake piston 9 forms the 3rd oil near housings close end side with housing
Chamber 15, the 3rd oil pocket 15 is connected by the 3rd oil duct 2 with oil-out 1.
Brake piston 9 is provided with valve cavity near the end of the 3rd oil pocket 15, and check valve 8 is arranged in valve cavity.
Path is provided with valve cavity, path is connected with the second oil pocket 11.
(the first back-moving spring 4 is arranged with outside brake piston 9, second is provided between boosting piston 6 and brake piston 9 and is answered
Position spring 17.
Fixed cover is provided with outside depression bar piston 7, fixed cover is fixed on housing by bolt 12.
Brake piston 9 is provided with spring plenum length near the one end of boosting piston 6, and second back-moving spring 17 is arranged at spring plenum length
It is interior.
Depression bar 10 is stretched into depression bar piston 7, and is fixed by fixture block, and resilient sleeve is provided with outside depression bar 10, and depression bar is stretched
Go out the resilient sleeve.
As can be seen here, the 3rd oil pocket 15 is pointed in the one-way conduction direction of check valve 8 by the second oil duct 16, when operator is stepping on
When stepping on clutch pedal or brake pedal, depression bar 10 is moved, and depression bar 10 interlocks piston rod and moved in boosting piston 6, enters
Hydraulic fluid port 5 is passed through hydraulic oil, coordinates because piston rod and boosting piston 6 are opened and closed, and when startup position is moved to, hydraulic oil is by entering
Hydraulic fluid port 5 enters in the first oil duct 14, and is entered in the first oil pocket 13 by the first oil duct 14, and the first oil pocket 13 is boosting piston 6
End face, the thrust of hydraulic oil causes that boosting piston 6 is moved along housing, until oil inlet 5 is closed, in the second oil pocket 11
Oil liquid pressure it is higher, imported in the 3rd oil pocket 15 by second channel, and high-voltage oil liquid is led from the oil-out 1 of the 3rd oil pocket 15
Enter brake apparatus, so as to play the power-assisted effect to brake apparatus, reduce the labour intensity of operating personnel.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of hydraulic booster, it is characterised in that including housing, a cavity, described cavity one end are provided with the housing
Closing, is provided with piston component in the cavity, the piston component other end is provided with check valve, on the side wall of the housing
Be provided with some oil ducts connected with the cavity, be provided with some corresponding hydraulic fluid ports on the oil duct, the piston component with
Some oil pockets corresponding with oil duct are sealed between the housing.
2. hydraulic booster according to claim 1, it is characterised in that the oil duct includes the first oil duct, the second oil duct
With the 3rd oil duct, the hydraulic fluid port includes oil inlet, oil-out and connected tank mouthful, and the oil inlet is connected with the described first oil head
First oil duct, connected tank mouthful the second oil duct of connection, oil-out connects the 3rd oil duct, and the oil-out and the 3rd oil duct near institute
State the blind end of cavity.
3. hydraulic booster according to claim 2, it is characterised in that the piston component is included near the check valve
Brake piston, the boosting piston being connected with the brake piston, the depression bar piston being connected with the boosting piston, the depression bar
Piston is provided with piston rod, and the piston rod is slideably positioned in the boosting piston, the depression bar piston other end
Depression bar is connected with, the depression bar connects outer brake pedal.
4. hydraulic booster according to claim 3, it is characterised in that caved inward in the middle of the shell of the boosting piston
The first oil pocket is surrounded with the housing, first oil pocket is connected by the first oil duct with the oil inlet；Second braking
Caved inward in the middle of the shell of piston and surround the second oil pocket with the housing, second oil pocket is connect by the second oil duct with described
Reservoir port is connected；The brake piston forms the 3rd oil pocket, the 3rd oil pocket near housings close end side with the housing
Connected with the oil-out by the 3rd oil duct.
5. hydraulic booster according to claim 4, it is characterised in that the brake piston is near the 3rd oil pocket end
Valve cavity is provided with, the check valve is arranged in the valve cavity.
6. hydraulic booster according to claim 5, it is characterised in that path is provided with the valve cavity is described logical
Road connects with second oil pocket.
7. hydraulic booster according to claim 6, it is characterised in that the first reset is arranged with outside the brake piston
Spring, second back-moving spring is provided between the boosting piston and the brake piston.
8. hydraulic booster according to claim 7, it is characterised in that the depression bar piston exterior is provided with fixed cover,
The fixed cover is secured by bolts on the housing.
9. hydraulic booster according to claim 8, it is characterised in that the brake piston sets near boosting piston one end
Spring plenum length is equipped with, the second back-moving spring is arranged in the spring plenum length.
10. hydraulic booster according to claim 9, it is characterised in that the depression bar is stretched into the depression bar piston, and
Fixed by fixture block, resilient sleeve is provided with outside the depression bar, and the depression bar stretches out the resilient sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061634.3A CN106740095A (en) | 2016-11-25 | 2016-11-25 | A kind of hydraulic booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061634.3A CN106740095A (en) | 2016-11-25 | 2016-11-25 | A kind of hydraulic booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106740095A true CN106740095A (en) | 2017-05-31 |
Family
ID=58911159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611061634.3A Pending CN106740095A (en) | 2016-11-25 | 2016-11-25 | A kind of hydraulic booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740095A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504097A (en) * | 2017-10-10 | 2017-12-22 | 芜湖稳乐制动***有限公司 | Clutch boost pump |
| CN108443356A (en) * | 2018-04-28 | 2018-08-24 | 芜湖稳乐制动***有限公司 | Clutch power-assisted master cylinder |
| CN109404447A (en) * | 2018-12-28 | 2019-03-01 | 芜湖稳乐制动***有限公司 | Vehicle braking pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881449A (en) * | 1987-10-26 | 1989-11-21 | Nissin Kogyo Kabushiki Kaisha | Hydraulic booster device |
| CN201325447Y (en) * | 2008-10-23 | 2009-10-14 | 杭州金鼎液压件制造有限公司 | Foot-pedal forklift truck brake valve |
| CN101875350A (en) * | 2009-04-30 | 2010-11-03 | 宁波安捷制动器有限公司 | Hydraulic booster valve |
| CN203670549U (en) * | 2013-12-09 | 2014-06-25 | 玉环奥恒机械有限公司 | Hydraulic clutch booster structure |
-
2016
- 2016-11-25 CN CN201611061634.3A patent/CN106740095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881449A (en) * | 1987-10-26 | 1989-11-21 | Nissin Kogyo Kabushiki Kaisha | Hydraulic booster device |
| CN201325447Y (en) * | 2008-10-23 | 2009-10-14 | 杭州金鼎液压件制造有限公司 | Foot-pedal forklift truck brake valve |
| CN101875350A (en) * | 2009-04-30 | 2010-11-03 | 宁波安捷制动器有限公司 | Hydraulic booster valve |
| CN203670549U (en) * | 2013-12-09 | 2014-06-25 | 玉环奥恒机械有限公司 | Hydraulic clutch booster structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504097A (en) * | 2017-10-10 | 2017-12-22 | 芜湖稳乐制动***有限公司 | Clutch boost pump |
| CN107504097B (en) * | 2017-10-10 | 2019-01-11 | 芜湖稳乐制动***有限公司 | Clutch boost pump |
| CN108443356A (en) * | 2018-04-28 | 2018-08-24 | 芜湖稳乐制动***有限公司 | Clutch power-assisted master cylinder |
| CN109404447A (en) * | 2018-12-28 | 2019-03-01 | 芜湖稳乐制动***有限公司 | Vehicle braking pump |
| CN109404447B (en) * | 2018-12-28 | 2024-03-08 | 芜湖稳乐制动***有限公司 | Vehicle brake pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |