CN209126714U - The oil circuit of electric controlled brake system pressure reduction pulse can be reduced - Google Patents
The oil circuit of electric controlled brake system pressure reduction pulse can be reduced Download PDFInfo
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- CN209126714U CN209126714U CN201821678835.2U CN201821678835U CN209126714U CN 209126714 U CN209126714 U CN 209126714U CN 201821678835 U CN201821678835 U CN 201821678835U CN 209126714 U CN209126714 U CN 209126714U
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- buffer cell
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- pressure
- brake system
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Abstract
The purpose of the utility model is to provide the oil circuits that one kind can reduce electric controlled brake system pressure reduction pulse, by the way that buffer cell is arranged between four pressure reducing valves and the oil can of master cylinder of electric controlled brake system, cavity left part of the buffer cell piston in buffer cell valve body when initial, after pressure reducing valve pressure reduction pulse enters buffer cell, buffer cell piston, which is moved right, buffers pressure pulse by buffer cell damped elasticity part, oil liquid passes through damping hole pressure release simultaneously, after buffer cell piston moves right on the right side of oil outlet, oil liquid directly passes through the oil can that oil outlet flows to master cylinder, after pressure reducing valve pressure pulse is eliminated, buffer cell piston returns to the cavity left part that initial position is located at buffer cell valve body, to be buffered next time, the pressure reduction pulse of electric controlled brake system can be reduced in this way, driver will not feel to shake, behaviour Make comfortable, reduction damage parts rate.
Description
Technical field
The utility model relates to electric controlled brake system fields, more particularly to a kind of decompression arteries and veins that can reduce electric controlled brake system
The oil circuit of punching.
Background technique
With the gradually development of electric controlled brake system, the braking technology R&D direction of automobile has had developed to the hydraulic system of line traffic control
Dynamic system.But hydraulic fluctuation is generated when the work decompression of the pressure reducing valve of current electric controlled brake system to generate hydraulic punch to circuit
It hits, the vibration that hydraulic shock generates is transferred to front deck protective plate, and driver is easily perceivable to uncomfortable vibration in driver's cabin.Therefore
Solve the problems, such as that this is just seemed very necessary.
Utility model content
To solve the above problems, the utility model provides a kind of oil circuit of pressure reduction pulse that can reduce electric controlled brake system,
By the way that buffer cell is arranged between four pressure reducing valves and the oil can of master cylinder of electric controlled brake system, buffer cell piston when initial
In the cavity left part of buffer cell valve body, after pressure reducing valve pressure reduction pulse enters buffer cell, buffer cell piston is moved right
Pressure pulse is buffered by buffer cell damped elasticity part, while oil liquid passes through damping hole pressure release, buffer cell piston
After moving right on the right side of oil outlet, oil liquid directly passes through the oil can that oil outlet flows to master cylinder, and pressure reducing valve pressure pulse is eliminated
Afterwards, buffer cell piston returns to the cavity left part that initial position is located at buffer cell valve body, to be buffered, so next time
The pressure reduction pulse of electric controlled brake system can be reduced, driver will not feel to shake, and operation is comfortable, reduce damage parts
Rate solves the problems in the background art.
The purpose of the utility model is to provide the oil circuits that one kind can reduce electric controlled brake system pressure reduction pulse, include master cylinder
Oil can, the oil can of master cylinder is connected with electric controlled brake system, and there are four pressure reducing valve, four pressure reducing valves in the electric controlled brake system
It is connected with buffer cell jointly, buffer cell is connected to the oil can of master cylinder, to constitute an oil circuit；The buffer cell includes
There is external buffer cell valve body, centre is cavity in buffer cell valve body, there is buffer cell piston in cavity, and buffer cell is living
Plug right side is provided with buffer cell damped elasticity part, and left bottom has damping hole in buffer cell piston；Buffer cell piston exists
It is moved back and forth in buffer cell valve body cavity body；Buffer cell piston works as decompression in the cavity left part of buffer cell valve body when initial
After valve pressure reduction pulse enters buffer cell, buffer cell piston is moved right through buffer cell damped elasticity part to pressure pulse
It is buffered, while oil liquid passes through damping hole pressure release.
Further improvement lies in that: the buffer cell valve body left bottom is fuel feed hole, and buffer cell body top is to the left
For oil outlet, fuel feed hole and oil outlet are communicated with the cavity of buffer cell valve body；It is connected on the left of fuel feed hole with four pressure reducing valves, out
It is connected at the top of oilhole with the oil can of master cylinder；After pressure reduction pulse buffering, oil liquid enters in the oil can of master cylinder finally by oil outlet.
Further improvement lies in that: the buffer cell piston moves right at oil outlet, after opening oil outlet, oil liquid
The oil can of master cylinder is directly flowed to by oil outlet, after pressure reducing valve pressure pulse is eliminated, buffer cell piston returns to initial bit set
In the cavity left part of buffer cell valve body.
The utility model has the beneficial effects that the utility model passes through four pressure reducing valves and master cylinder in electric controlled brake system
Buffer cell is set between oil can, when initial buffer cell piston buffer cell valve body cavity left part, when pressure reducing valve depressurize
After pulse enters buffer cell, buffer cell piston, which is moved right, delays pressure pulse by buffer cell damped elasticity part
Punching, while oil liquid passes through damping hole pressure release, after buffer cell piston moves right on the right side of oil outlet, oil liquid directly passes through out
Oilhole flows to the oil can of master cylinder, and after pressure reducing valve pressure pulse is eliminated, buffer cell piston returns to initial position and is located at buffer cell
The cavity left part of valve body can reduce the pressure reduction pulse of electric controlled brake system to be buffered next time in this way, drive
The person of sailing will not feel to shake, and operation is comfortable, reduce damage parts rate.
Detailed description of the invention
Fig. 1 is the oil circuit figure of the utility model.
Fig. 2 is schematic diagram under the utility model buffer cell original state.
Fig. 3 schematic diagram of damper piston that has been the utility model buffer cell pressure reducing valve pressure pulse push.
Fig. 4 is the schematic diagram that the work of the utility model buffer cell finishes pressure pulse elimination.
Wherein: 1- buffer cell valve body, 2- buffer cell piston, 3- buffer cell damped elasticity part, 4- damping hole, 5- into
Oilhole, 6- oil outlet.
Specific embodiment
In order to deepen the understanding to the utility model, below in conjunction with embodiment, the utility model is described in further detail,
The embodiment is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
It as shown in Figs 1-4, include master the present embodiment provides the oil circuit that one kind can reduce electric controlled brake system pressure reduction pulse
The oil can of cylinder, the oil can of master cylinder are connected with electric controlled brake system, and the electric controlled brake system is interior, and there are four pressure reducing valve, four decompressions
Valve is connected with buffer cell jointly, and buffer cell is connected to the oil can of master cylinder, to constitute an oil circuit；The buffer cell packet
External buffer cell valve body 1 is included, centre is cavity in buffer cell valve body 1, has buffer cell piston 2 in cavity, is buffered
Buffer cell damped elasticity part 3 is provided on the right side of unit piston 2, left bottom has damping hole 4 in buffer cell piston 2；Buffering
Unit piston 2 moves back and forth in 1 cavity of buffer cell valve body；Chamber of the buffer cell piston 2 in buffer cell valve body 1 when initial
Body left part, after pressure reducing valve pressure reduction pulse enters buffer cell, buffer cell piston 2, which is moved right, damps bullet by buffer cell
Property part 3 pressure pulse is buffered, while oil liquid pass through 4 pressure release of damping hole.1 left bottom of buffer cell valve body be into
Oilhole 5, the 1 top cavity phase to the left for oil outlet 6, fuel feed hole 5 and oil outlet 6 and buffer cell valve body 1 of buffer cell valve body
It is logical；5 left side of fuel feed hole is connected with four pressure reducing valves, and 6 top of oil outlet is connected with the oil can of master cylinder；After pressure reduction pulse buffering, oil
Liquid enters in the oil can of master cylinder finally by oil outlet 6.The buffer cell piston 2 moves right at oil outlet 6, opens
After oil outlet 6, oil liquid directly passes through the oil can that oil outlet 6 flows to master cylinder, and after pressure reducing valve pressure pulse is eliminated, buffer cell is living
Plug 2 returns to the cavity left part that initial position is located at buffer cell valve body 1.
By the way that buffer cell is arranged between four pressure reducing valves and the oil can of master cylinder of electric controlled brake system, buffered when initial
Unit piston 2 is in the cavity left part of buffer cell valve body 1, and after pressure reducing valve pressure reduction pulse enters buffer cell, buffer cell is living
Plug 2, which is moved right, buffers pressure pulse by buffer cell damped elasticity part 3, while oil liquid passes through 4 pressure release of damping hole,
After buffer cell piston moves to 6 right side of oil outlet to 2 right sides, oil liquid directly passes through the oil can that oil outlet 6 flows to master cylinder, decompression
After valve pressure pulse is eliminated, buffer cell piston 2 returns to the cavity left part that initial position is located at buffer cell valve body 1, thus into
Row buffers next time, can reduce in this way to the pressure reduction pulse of electric controlled brake system, and driver will not feel to shake, operation
Comfortably, damage parts rate is reduced.
Claims (3)
- It include the oil can of master cylinder 1. one kind can reduce the oil circuit of electric controlled brake system pressure reduction pulse, the oil can of master cylinder is connected with Electric controlled brake system, it is characterised in that: there are four pressure reducing valves in the electric controlled brake system, and four pressure reducing valves are connected with slow jointly Unit is rushed, buffer cell is connected to the oil can of master cylinder, to constitute an oil circuit；The buffer cell includes external buffering Unit valve body (1), intermediate in buffer cell valve body (1) is cavity, has buffer cell piston (2), buffer cell piston in cavity (2) right side is provided with buffer cell damped elasticity part (3), and buffer cell piston (2) interior left bottom has damping hole (4)；Buffering Unit piston (2) moves back and forth in buffer cell valve body (1) cavity；Buffer cell piston (2) is in buffer cell valve when initial The cavity left part of body (1), after pressure reducing valve pressure reduction pulse enters buffer cell, buffer cell piston (2) is moved right by slow It rushes unit damped elasticity part (3) to buffer pressure pulse, while oil liquid passes through damping hole (4) pressure release.
- 2. the oil circuit of electric controlled brake system pressure reduction pulse can be reduced as described in claim 1, it is characterised in that: the buffer cell Valve body (1) left bottom is fuel feed hole (5), and to the left at the top of buffer cell valve body (1) is oil outlet (6), fuel feed hole (5) and fuel-displaced Hole (6) is communicated with the cavity of buffer cell valve body (1)；It is connected on the left of fuel feed hole (5) with four pressure reducing valves, at the top of oil outlet (6) It is connected with the oil can of master cylinder；After pressure reduction pulse buffering, oil liquid enters in the oil can of master cylinder finally by oil outlet (6).
- 3. the oil circuit of electric controlled brake system pressure reduction pulse can be reduced as claimed in claim 2, it is characterised in that: the buffer cell Piston (2) moves right at oil outlet (6), and after opening oil outlet (6), oil liquid directly passes through oil outlet (6) and flows to master cylinder Oil can, pressure reducing valve pressure pulse eliminate after, buffer cell piston (2) returns to initial position and is located at buffer cell valve body (1) Cavity left part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678835.2U CN209126714U (en) | 2018-10-17 | 2018-10-17 | The oil circuit of electric controlled brake system pressure reduction pulse can be reduced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678835.2U CN209126714U (en) | 2018-10-17 | 2018-10-17 | The oil circuit of electric controlled brake system pressure reduction pulse can be reduced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209126714U true CN209126714U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821678835.2U Active CN209126714U (en) | 2018-10-17 | 2018-10-17 | The oil circuit of electric controlled brake system pressure reduction pulse can be reduced |
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| Country | Link |
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| CN (1) | CN209126714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305155A (en) * | 2018-10-17 | 2019-02-05 | 芜湖伯特利电子控制系统有限公司 | The oil circuit of electric controlled brake system pressure reduction pulse can be reduced |
-
2018
- 2018-10-17 CN CN201821678835.2U patent/CN209126714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305155A (en) * | 2018-10-17 | 2019-02-05 | 芜湖伯特利电子控制系统有限公司 | The oil circuit of electric controlled brake system pressure reduction pulse can be reduced |
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