CN206654038U - Booster pump - Google Patents
Booster pump Download PDFInfo
- Publication number
- CN206654038U CN206654038U CN201720356153.9U CN201720356153U CN206654038U CN 206654038 U CN206654038 U CN 206654038U CN 201720356153 U CN201720356153 U CN 201720356153U CN 206654038 U CN206654038 U CN 206654038U
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- CN
- China
- Prior art keywords
- pump housing
- piston component
- inner chamber
- oil pipe
- braking
- 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.)
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- Braking Systems And Boosters (AREA)
Abstract
A kind of booster pump is the utility model is related to, its structure includes the preceding pump housing, the rear pump housing and piston component；The preceding pump housing with it is described after the pump housing is relative connects, form the pump housing inner chamber of closing；Before the first half of piston component is contained in the inner chamber of the pump housing, the latter half of of piston component is contained in the inner chamber of the rear pump housing；The axial core bore of insertion is provided with the piston component, is worn in the axial core bore of piston component and was connected to oil pipe；The fuel tap of crossing for switching oil pipe rear port is provided with the rear end of the piston component, the rearward end crossed fuel tap and piston component is acted against by return spring, pushing top spring is provided between the piston component and the inner chamber end wall of the rear pump housing.Braking reinforcement effect of the present utility model is notable, has reached expected Further aim, is advantageous to the improvement to low-speed electronic automobile or small-sized hydraulic braking tricycle braking system.
Description
Technical field
It the utility model is related to a kind of hydraulic vehicle brake system part, specifically a kind of booster pump.
Background technology
Had gone through for threeth century by now from the birth of 18 beginning of the century automobiles, various vehicles alternate in threeth century
Appear again, generate many automobile brands, such as：Benz, BMW, masses etc..In threeth century, kinds of automobile, vehicle model
All constantly update, equally, Automotive Applied Technology is also to emerge in an endless stream.Car steering will be related to braking and the system of automobile naturally
Dynamic system.Automobile brake refers to, using brake pedal as medium, active force be passed to booster, is promoted and braked always by booster
Pump drives brake cylinder again, so as to drive clamp to clamp brake disc, to reach the purpose of automobile brake.
At present, some low-speed electronic automobiles or small-sized hydraulic braking tricycle, may because the restriction of product cost
Using the booster that action effect is poor, then or directly brake pedal is connected with master cylinder, with reach vehicle braking
Purpose, its braking effect is poor, and feel is heavy during brake operation, and braking distance is grown, and accident rate substantially increases, to driving
Personnel, rider and the public bring certain harm.
Utility model content
The purpose of this utility model is just to provide a kind of booster pump, to solve existing low-speed electronic automobile or small-sized hydraulic
The problem of booster action effect difference existing for braking tricycle causes vehicle braking effect difference.
What the utility model was realized in：A kind of booster pump, including the preceding pump housing, the rear pump housing and piston component；Before described
The pump housing with it is described after the pump housing is relative connects, form the pump housing inner chamber of closing；The inner chamber of the pump housing before the first half of piston component is contained in
In, the latter half of of piston component is contained in the inner chamber of the rear pump housing；The axial core bore of insertion is provided with the piston component,
Worn in the axial core bore of piston component and be connected to oil pipe；It is provided with the rear end of the piston component for switching oil pipe rear end
Mouth crosses fuel tap, the rearward end crossed fuel tap and piston component is acted against by return spring, in the piston component and rear pump
Pushing top spring is provided between the inner chamber end wall of body.
Oil inlet is provided with the front end of the preceding pump housing, the inner chamber of the preceding pump housing is cylindrical cavity；The pump housing in the rear
Rear end is provided with oil-out, and the inner chamber of the rear pump housing is cylindrical cavity, and the intracavity diameter of the rear pump housing is straight less than the inner chamber of the preceding pump housing
Footpath.
The length for crossing oil pipe is more than the length of the piston component.
The utility model is installed in the brakes of automobile or hydraulic braking tricycle, it is possible to increase oil pipe internal pressure,
Strengthen braking effect.
During product testing, it is contemplated that substitute vacuum booster using this booster pump, in master cylinder and brake cylinder
Between add booster pump, test whether to achieve the desired result.
In the case of without using vacuum booster, two kinds of connected modes are taken, one kind is pacified in master cylinder oil-out
Fill hydralic pressure gauge, measure such a state it is fuel-displaced when hydraulic coupling；Second is to add this booster pump at master cylinder rear portion, is being pressurized
Two oil-outs of pump install hydralic pressure gauge respectively, test such a state it is fuel-displaced when pressure.
Under the first connecting test state, brake pedal manipulation during braking hardens, but power output is constant.In the survey of power
During examination, the power of input is 6MPa, and the pressure of output is basically unchanged.
Under second of connecting test state, brake pedal manipulation during braking equally hardens, but power output increases.Input
Pressure is similarly 6MPa, but output pressure has reached 10MPa or so, and effect can reach more than 1.5 times.
Thus illustrate, in the case where brake pedal all steps on same depth, in above two connected mode, add and increase
Braking effect after press pump is stronger, and braking distance shortens.It can be seen that braking reinforcement effect of the present utility model is notable, reach pre-
The Further aim of phase, be advantageous to the improvement to low-speed electronic automobile or small-sized hydraulic braking tricycle braking system.
The utility model has the advantages that：
（1）Low manufacture cost, price are low；
（2）Occupy little space, can be that other components save more spaces；
（3）Relative to booster, its is in light weight, can reduce complete vehicle weight；
（4）Simple in construction, assembly technology is simple, and fault rate is low；
（5）Booster is may replace, cancels vavuum pump, reduces the cost of manufacture of vehicle.
Brief description of the drawings
Fig. 1 is the structural representation of the booster pump under original state.
Fig. 2 is the structural representation of the booster pump under on-position.
In figure：1st, the preceding pump housing, 2, cross oil pipe, 3, piston component, 4, the rear pump housing, 5, cross fuel tap, 6, return spring, 7, preceding close
Seal, 8, rear sealing ring, 9, oil inlet, 10, oil-out, 11, pushing top spring.
Embodiment
As shown in figure 1, the utility model includes the preceding pump housing 1, the rear pump housing 4 and piston component 3.In the front end of the preceding pump housing 1
Center portion position offers oil inlet 9, and the inner chamber of the preceding pump housing 1 is cylindrical cavity；Two oil-outs are offered in the rear end of the rear pump housing 4
10, it is distributed for splayed, the inner chamber of the rear pump housing 4 is cylindrical cavity, and the intracavity diameter of the rear pump housing 4 is less than the interior of the preceding pump housing 1
Chamber diameter.The preceding pump housing 1 is relative with the rear pump housing 4 to be connect, and forms the pump housing inner chamber of closing.Piston component 3 is the screw-like with cap, before it
Half portion is wide section, before being contained in the inner chamber of the pump housing 1；It is thin diameter section that its is latter half of, is contained in the inner chamber of the rear pump housing 4.
The axial core bore of insertion is provided with piston component 3, is worn in the axial core bore of piston component 3 and was connected to oil pipe 2.Cross oil pipe 2
Length is more than the length of piston component 3, and is provided with oil-through hole in the side wall for crossing oil pipe 2.
The sealing ring 7 before the leading portion of piston component 3 is connected to, the sealing ring 8 after the back segment of piston component 3 is connected to.In piston
The rear end of component 3 was provided with fuel tap 5, and the effect for crossing fuel tap is to switch the rear port of oil pipe.Cross fuel tap 5 and pass through return spring
6 act against the rearward end of piston component 3, and pushing top spring 11 is provided between piston component 3 and the inner chamber end wall of the rear pump housing 4.
When driver steps on brake pedal, pedal force is changed into hydraulic coupling by master cylinder, and hydraulic oil is entered by oil inlet 9
Enter booster pump inner chamber.In an initial condition（Fig. 1）, due to being provided with oil-through hole, a part of hydraulic oil meeting in the side wall for crossing oil pipe 2
The inner chamber of the pump housing 1, i.e. ante-chamber before being entered by the oil-through hole；Another part hydraulic oil can be entered by crossing the rear port of oil pipe 2
Enter to the inner chamber of the rear pump housing 4, i.e. back cavity.Now, the pressure in back cavity gradually increases, and causes hydraulic oil more to flow into ante-chamber.
Due to carrying forward and backward sealing ring on piston component 3, make between ante-chamber and back cavity only oily, therefore, preceding cavity pressure can gradually increase
Greatly, piston component 3 is caused to be moved to back cavity.Cross and oil sealing is carried in fuel tap 5, when reaching certain pressure, it is complete to cross fuel tap 5
Shut（Fig. 2）.Brake pedal is now stepped on again, and rear cavity pressure can be made increasing.Because the internal diameter of ante-chamber is big, sectional area is big,
Therefore, the pressure of conduction is small；And the internal diameter of back cavity is small, sectional area is small, and therefore, the pressure of conduction is big, has thus reached braking and has increased
The effect of pressure.
After driver's releasing of brake pedal, piston component 3 with cross fuel tap 5 again can return spring 6, pushing top spring 11 with
And original position is returned in the presence of oil pressure, complete the working cycles of a braking procedure.
Claims (3)
1. a kind of booster pump, it is characterized in that, including the preceding pump housing, the rear pump housing and piston component；The preceding pump housing and the rear pump housing
It is relative to connect, form the pump housing inner chamber of closing；The first half of piston component be contained in before the pump housing inner chamber in, piston component it is later half
Portion is contained in the inner chamber of the rear pump housing；The axial core bore of insertion is provided with the piston component, in the axial core of piston component
Worn in hole and be connected to oil pipe；The fuel tap of crossing for switching oil pipe rear port is provided with the rear end of the piston component, it is described
The rearward end that fuel tap acts against piston component by return spring is crossed, between the piston component and the inner chamber end wall of the rear pump housing
It is provided with pushing top spring.
2. booster pump according to claim 1, it is characterized in that, it is provided with oil inlet, the preceding pump housing in the front end of the preceding pump housing
Inner chamber be cylindrical cavity；The rear end of the pump housing is provided with oil-out in the rear, and the inner chamber of the rear pump housing is cylindrical cavity, and after
The intracavity diameter of the pump housing is less than the intracavity diameter of the preceding pump housing.
3. booster pump according to claim 1, it is characterized in that, the length for crossing oil pipe is more than the length of the piston component
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356153.9U CN206654038U (en) | 2017-04-07 | 2017-04-07 | Booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356153.9U CN206654038U (en) | 2017-04-07 | 2017-04-07 | Booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206654038U true CN206654038U (en) | 2017-11-21 |
Family
ID=60317110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720356153.9U Active CN206654038U (en) | 2017-04-07 | 2017-04-07 | Booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206654038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177959A (en) * | 2018-09-12 | 2019-01-11 | 石家庄佳信汽车制动***有限公司 | A kind of mechanical transmission structure of electronics booster |
-
2017
- 2017-04-07 CN CN201720356153.9U patent/CN206654038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177959A (en) * | 2018-09-12 | 2019-01-11 | 石家庄佳信汽车制动***有限公司 | A kind of mechanical transmission structure of electronics booster |
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| GR01 | Patent grant |