CN205036662U - Double - circuit vary voltage formula hydraulic brake valve - Google Patents
Double - circuit vary voltage formula hydraulic brake valve Download PDFInfo
- Publication number
- CN205036662U CN205036662U CN201520688846.9U CN201520688846U CN205036662U CN 205036662 U CN205036662 U CN 205036662U CN 201520688846 U CN201520688846 U CN 201520688846U CN 205036662 U CN205036662 U CN 205036662U
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- China
- Prior art keywords
- hydraulic brake
- valve
- main valve
- valve body
- pressure hydraulic
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Abstract
The embodiment of the utility model discloses double - circuit vary voltage formula hydraulic brake valve, this double - circuit vary voltage formula hydraulic brake valve include the valve body, and the valve body side has set gradually oil inlet, oil -out and oil return opening, main valve core sets up inside the valve body, and main valve core is inside to be provided with two pore structures side by side, has set gradually the export of level pressure and vary voltage on the side, and the position that main valve core corresponds the oil -out is provided with the spout hole, the pressure regulating case sets up in the pore structure, and its bottom has set gradually the spring and has adjusted the plug screw, reset spring sets up in the main valve core bottom, the end cover sets up in the reset spring bottom, is connected with the valve body, buffer is connected with the valve body top, the mounting panel sets up on buffer, the footboard is connected with buffer and mounting panel. Implement the embodiment of the utility model provides a, following beneficial effect has: the utility model discloses a double - circuit vary voltage formula hydraulic brake valve has increaseed the effective stroke who steps on under the footboard, overcome variation in discharge that footboard formula hydrovalve exists and the invariable problem of pressure.
Description
Technical field
The utility model relates to a kind of brake valve, particularly relates to a kind of two-way variable pressure hydraulic brake valve.
Background technique
At present, wheel end wet type Brake for vehicle control valve many employings U.S. or the Italian pedal-type hydrovalve produced, its working principle moves by valve core the speed that the flow controlling to export oil controls braking.But because valve core shift motion is too short, and it is constant to export oil liquid pressure, easily occur that brake is anxious, brake applications situation rambunctious, therefore in brake process, car body turns forward seriously, causes in passenger and brake driver and leans forward and rock, and directly affects travelling comfort by bus.
Model utility content
The utility model embodiment technical problem to be solved is, too short for the valve core shift motion of taking turns end wet type Brake for vehicle control valve at present, and it is constant to export oil liquid pressure, easy appearance brake is anxious, brake applications situation rambunctious, therefore in brake process, car body turns forward seriously, causes in passenger and brake driver and leans forward and rock, directly affects the problem of travelling comfort by bus, propose a kind of two-way variable pressure hydraulic brake valve.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of two-way variable pressure hydraulic brake valve, and this two-way variable pressure hydraulic brake valve comprises: valve body, and valve body side is disposed with filler opening, oil outlet and return opening from top to bottom; Main valve plug, be arranged at valve inner, main valve plug inside has been arranged side by side two hole structures, main valve plug side corresponding between filler opening and oil outlet is disposed with level pressure outlet and transformation outlet, for main valve plug at different motion stage conducting filler opening, oil outlet and return opening, the position of the corresponding oil outlet of main valve plug is provided with overflow hole; Adjusting pressuring valve core, is arranged in hole structure, being disposed with spring and regulating plug screw, regulating plug screw top pressure spring, for regulating the movement pressure of adjusting pressuring valve core bottom it; Returnning spring, is arranged at bottom main valve plug; End cap, is arranged at bottom Returnning spring, is connected with valve body, for being fitted in valve body by main valve plug; Damping device, is connected with body top; Mounting plate, is arranged on damping device; Pedal, is connected with damping device and mounting plate.
Wherein, the diameter of overflow hole is 0.4mm-0.6mm.
Wherein, overflow hole triangularity tower EDS maps, is divided into three row from top to bottom successively, the first row 4, the second row 3, the third line 2.
Wherein, adjusting pressuring valve core, spring and adjustment plug screw all have two, are arranged at respectively in two hole structures.
Wherein, filler opening, oil outlet and return opening all have two, are arranged at two flank side surface of valve body respectively.
Wherein, adjusting pressuring valve core is cylindrical under upper circular cone.
Wherein, the cylinder of adjusting pressuring valve core offers the wide Oil Guide groove of 4 3mm along outer generatrix direction.
Wherein, steel ball is provided with in damping device.
Implement the utility model embodiment, there is following beneficial effect: two-way variable pressure hydraulic brake valve of the present utility model is by the reasonable Arrangement of main valve plug and adjusting pressuring valve core, the effective travel stepped under increasing pedal, when not only can control the output of flow but also spool can be made to move to diverse location, the delivery pressure of valve body changed from small to big, overcome changes in flow rate and the problem of constant pressure that pedal-type hydrovalve exists, therefore greatly improve the travelling comfort that passenger rides when braking automobile.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the two-way variable pressure hydraulic brake valve that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the structural representation of the two-way variable pressure hydraulic brake valve that the utility model provides.This two-way variable pressure hydraulic brake valve comprises valve body 10, main valve plug 20, adjusting pressuring valve core 30, Returnning spring 40, end cap 50, damping device 60, mounting plate 70 and pedal 80.
Two flank side surface of valve body 10 are provided with filler opening 11, oil outlet 12 and return opening 13 from top to bottom successively.
It is inner that main valve plug 20 is arranged at valve body 10, and main valve plug 20 inside has been arranged side by side two hole structures (not shown).Main valve plug 20 side corresponding between filler opening 11 and oil outlet 12 is disposed with level pressure outlet 21 and transformation outlet 22, for main valve plug 20 at different motion stage conducting filler opening 11, oil outlet 12 and return opening 13.The position of the corresponding oil outlet of main valve plug 20 12 is provided with overflow hole (not shown), overflow hole triangularity tower EDS maps, be divided into three row successively from top to bottom, the first row 4, second row 3, the third line 2, the diameter of overflow hole is 0.4mm-0.6mm, and the diameter of the present embodiment overflow hole is preferably 0.5mm.
Adjusting pressuring valve core 30 is provided with two, is arranged at respectively in two hole structures.Adjusting pressuring valve core 30 is cylindrical under upper circular cone, and cylinder offers the wide Oil Guide groove (not shown) of 4 3mm along outer generatrix direction.Being disposed with spring 31 bottom each adjusting pressuring valve core 30 and regulating plug screw 32, regulating plug screw 32 top pressure spring 31, for regulating the movement pressure of adjusting pressuring valve core 30.
Returnning spring 40 is arranged at bottom main valve plug 20.
End cap 50 is arranged at bottom Returnning spring 40, is connected with valve body 10, for being fitted in valve body 10 by main valve plug 20.
Damping device 60 is connected with valve body 10 top, is provided with steel ball (not shown) in it.
Mounting plate 70 is arranged on damping device 60.
Pedal 80 is connected with damping device 60 and mounting plate 70.
When using two-way variable pressure hydraulic brake valve, push down on the pedal 80, steel ball in damping device 60 suppresses main valve plug 20 downglide motion, first the filler opening 11 on valve body 10 is by the transformation outlet 22 on main valve plug 20 and output oil port 12 conducting, hydraulic oil enters, also adjusting pressuring valve core 30 is pressed on top simultaneously, along with main valve plug 20 continue move down, transformation outlet 22 is closed gradually, adjusting pressuring valve core 30 is depressed gradually and moves, section hydraulic oil is imported return opening 13 by overflow hole, main valve plug 20 continues to move down, 4 the hole conductings of overflow hole the first row, the output oil mass of valve is made to start to reduce, second row 3 hole, the third line 2 holes, until it is 0 that oil mass is derived in oil return, output oil pressure is also by the initial pressure set up thereupon, be increased to working pressure gradually.Now level pressure outlet 21 and oil outlet 12 conducting on valve body 10.When unclamping pedal 80, main valve plug 20 also can be returned to corresponding position by the degree of unclamping, delivery pressure also changes thereupon.
The present embodiment is preferred embodiment, in other embodiments, can modify according to actual conditions.
Implement the utility model embodiment, there is following beneficial effect: two-way variable pressure hydraulic brake valve of the present utility model is by the reasonable Arrangement of main valve plug and adjusting pressuring valve core, the effective travel stepped under increasing pedal, when not only can control the output of flow but also spool can be made to move to diverse location, the delivery pressure of valve body changed from small to big, overcome changes in flow rate and the problem of constant pressure that pedal-type hydrovalve exists, therefore greatly improve the travelling comfort that passenger rides when braking automobile.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a two-way variable pressure hydraulic brake valve, is characterized in that, described two-way variable pressure hydraulic brake valve comprises:
Valve body, described valve body side is disposed with filler opening, oil outlet and return opening from top to bottom;
Main valve plug, be arranged at described valve inner, described main valve plug inside has been arranged side by side two hole structures, described main valve plug side corresponding between described filler opening and described oil outlet is disposed with level pressure outlet and transformation outlet, for described main valve plug filler opening, described oil outlet and described return opening described in different motion stage conductings, the position of the corresponding described oil outlet of described main valve plug is provided with overflow hole;
Adjusting pressuring valve core, is arranged in described hole structure, and be disposed with spring bottom it and regulate plug screw, described spring is pressed on described adjustment plug screw top, for regulating the movement pressure of described adjusting pressuring valve core;
Returnning spring, is arranged at bottom described main valve plug;
End cap, is arranged at bottom described Returnning spring, is connected with described valve body, for being fitted in valve body by described main valve plug;
Damping device, is connected with described body top;
Mounting plate, is arranged on described damping device;
Pedal, is connected with described damping device and described mounting plate.
2. two-way variable pressure hydraulic brake valve according to claim 1, it is characterized in that, the diameter of described overflow hole is 0.4mm-0.6mm.
3. two-way variable pressure hydraulic brake valve according to claim 1 or 2, is characterized in that, described overflow hole triangularity tower EDS maps, is divided into three row, the first row 4 from top to bottom successively, the second row 3, the third line 2.
4. two-way variable pressure hydraulic brake valve according to claim 1, it is characterized in that, described adjusting pressuring valve core, described spring and described adjustment plug screw all have two, are arranged at respectively in two described hole structures.
5. two-way variable pressure hydraulic brake valve according to claim 1, it is characterized in that, described filler opening, described oil outlet and described return opening all have two, are arranged at two flank side surface of described valve body respectively.
6. two-way variable pressure hydraulic brake valve according to claim 1, it is characterized in that, described adjusting pressuring valve core is cylindrical under upper circular cone.
7. two-way variable pressure hydraulic brake valve according to claim 6, is characterized in that, the described cylinder of described adjusting pressuring valve core offers the wide Oil Guide groove of 4 3mm along outer generatrix direction.
8. two-way variable pressure hydraulic brake valve according to claim 1, is characterized in that, be provided with steel ball in described damping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688846.9U CN205036662U (en) | 2015-09-08 | 2015-09-08 | Double - circuit vary voltage formula hydraulic brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688846.9U CN205036662U (en) | 2015-09-08 | 2015-09-08 | Double - circuit vary voltage formula hydraulic brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036662U true CN205036662U (en) | 2016-02-17 |
Family
ID=55295567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688846.9U Expired - Fee Related CN205036662U (en) | 2015-09-08 | 2015-09-08 | Double - circuit vary voltage formula hydraulic brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036662U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926837A (en) * | 2017-04-06 | 2017-07-07 | 许昌学院 | A kind of double spool brake valve |
| CN106956671A (en) * | 2017-04-06 | 2017-07-18 | 许昌学院 | A kind of manual double spool brake valve |
| CN106976450A (en) * | 2017-04-06 | 2017-07-25 | 许昌学院 | A kind of brake valve |
| EP3835154A1 (en) * | 2019-11-29 | 2021-06-16 | MICO Inc. | Valve assembly including multiple gain states |
-
2015
- 2015-09-08 CN CN201520688846.9U patent/CN205036662U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926837A (en) * | 2017-04-06 | 2017-07-07 | 许昌学院 | A kind of double spool brake valve |
| CN106956671A (en) * | 2017-04-06 | 2017-07-18 | 许昌学院 | A kind of manual double spool brake valve |
| CN106976450A (en) * | 2017-04-06 | 2017-07-25 | 许昌学院 | A kind of brake valve |
| CN106926837B (en) * | 2017-04-06 | 2019-03-29 | 许昌学院 | A kind of double spool brake valve |
| CN106976450B (en) * | 2017-04-06 | 2019-03-29 | 许昌学院 | A kind of brake valve |
| CN106956671B (en) * | 2017-04-06 | 2019-04-12 | 许昌学院 | A kind of manual double spool brake valve |
| EP3835154A1 (en) * | 2019-11-29 | 2021-06-16 | MICO Inc. | Valve assembly including multiple gain states |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20210908 |