CN201405841Y - Hydraulic braking force distribution control valve - Google Patents
Hydraulic braking force distribution control valve Download PDFInfo
- Publication number
- CN201405841Y CN201405841Y CN2009203032085U CN200920303208U CN201405841Y CN 201405841 Y CN201405841 Y CN 201405841Y CN 2009203032085 U CN2009203032085 U CN 2009203032085U CN 200920303208 U CN200920303208 U CN 200920303208U CN 201405841 Y CN201405841 Y CN 201405841Y
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- pressure
- valve
- pressure regulating
- barrel
- hydraulic
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Abstract
The utility model provides a hydraulic braking force distribution control valve. The control valve comprises a valve barrel, a valve cover fixed on the valve barrel to form a whole body, an oil hole formed on the barrel body of the valve barrel, and conversion pressing heads respectively arranged at an oil inlet and an oil outlet. The control valve is characterized in that a low pressure spring, and a low-pressure pressure regulating valve body which is axially sealed with the low-pressure pressure regulating valve body by an O-shaped ring and divides the valve barrel into a hydraulic chamberand a low-pressure spring chamber, are arranged in the valve barrel; the low-pressure pressure regulating valve body is a hollow body of which a high-pressure pressure regulating valve core is mountedat one end; the conical surface at the shoulder of the low-pressure pressure regulating valve body is matched with a conical table corresponding to the valve barrel; an oil hole formed on the side wall of the hollow cavity body of the low-pressure pressure regulating valve body is communicated with the hydraulic chamber in the valve barrel and forms a hydraulic channel with the oil hole on the barrel body of the valve barrel; and a high-pressure spring mounted in the cavity body is propped against the high-pressure pressure regulating valve core, so that the high-pressure pressure regulatingvalve core is in a normally closed state. The control valve effectively improves the braking performance of automobiles and tractors.
Description
Technical field
The utility model relates to automobile, used with tractor hydraulic brake system, particularly a kind of hydraulic braking force dividing control valve that can improve automobile, trac. deceleration and stopping performance.
Background technology
Existing automobile uses hydraulic braking mostly, and mainly the cooperation by master brake cylinder and brake wheel cylinder produces braking force.After stepping on brake pedal, drive pipe link, and under the help of vacuum booster, brake master cylinder piston is moved,, be pressed in the brake wheel cylinder, the piston in the brake wheel cylinder is moved, drive drg, produce brake action the oil in the master brake cylinder.Yet when going into the oil pressure in the master brake cylinder in the brake wheel cylinder, can not make the pressure in the brake wheel cylinder controlled at once, therefore, often cause in the market automobile, trac. in braking procedure, can not make full use of adhesion value, make brake efficiency low; Cause unreasonable distribution when serious, trailing wheel occurs and cause whipping, have a strong impact on the stability and the operability of braking prior to the front-wheel locking.
Summary of the invention
The purpose of this utility model is in order to overcome the prior art above shortcomings, a kind of hydraulic braking force dividing control valve that can improve automobile, trac. deceleration and stopping performance to be provided.
The technical solution adopted in the utility model is such, it is the hydraulic braking force dividing control valve, comprise valve barrel, the valve gap that is fixed as one with valve barrel, have oilhole on the cylinder body of valve barrel, be separately positioned on the conversion head at oil inlet and oil outlet place, it is characterized in that: in valve barrel, be provided with low pressing spring and and valve barrel between by " O " type circle side seal and will be separated into the low pressure regulating pressure valve body of hydraulic pressure chamber and low pressure spring housing in the valve barrel, described low pressure regulating pressure valve body is the ducted body that an end is equipped with the high-pressure pressure regulating valve core, one end of low pressure regulating pressure valve body is under low pressing spring roof pressure, its neck that high-pressure pressure regulating valve core one end is installed is inserted in the centre hole of valve gap, corresponding with oil inlet, and make the end face of the taper shoulder of low pressure regulating pressure valve body lean against the inwall of valve gap; The conical surface of the shoulder of described low pressure regulating pressure valve body cooperates with the cooresponding taper platform of valve barrel, sidewall at the hollow cavity of low pressure regulating pressure valve body has oilhole, be communicated with hydraulic pressure chamber in the valve barrel and form hydraulic path with oilhole on the cylinder body of valve barrel, the high pressure spring is installed in the cavity withstands on the high-pressure pressure regulating valve core, make the high-pressure pressure regulating valve core be in normally off; The shoulder of described low pressure regulating pressure valve body has oilhole and is communicated with oil inlet and hydraulic pressure chamber, hydraulic oil part from oil inlet at first enters hydraulic pressure chamber by the described oilhole on the shoulder, promoting the conical surface that the low pressure regulating pressure valve body moves to shoulder cooperates with the cooresponding taper platform of valve barrel and closes, the pressure of this moment is enough to push open the high-pressure pressure regulating valve core, and hydraulic oil is carried to oil outlet by the oilhole and the unlatching oilhole of the hollow cavity sidewall of low pressure regulating pressure valve body.
The advantage that the utility model has owing to said structure is conspicuous: the braking force on each that can make obtains an equitable breakdown, braking force after high adhesion value road surface makes full use of reasonable distribution, on low adhesion value road surface operability is arranged, can improve deceleration and stopping performance more than 15%.Prevent effectively that breakking away from appearring in automobile, trac., whipping, improved the insensitivity of automobile, trac., because the energy storage effect of low pressing spring, obviously improve the traveling comfort of glancing impact.
Description of drawings
The embodiment of the indefiniteness that the utility model said structure can provide by accompanying drawing further specifies.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the utility model uses the structural representation when being installed in brake circuit.
In the accompanying drawing: 1, low pressing spring; 2, valve barrel; 3, adjustable bolt lid; 4, low pressure regulating pressure valve body; 5, valve gap; 6, high-pressure pressure regulating valve core; 7, combination sealing pad; 8, conversion head; 9, " O " type circle; 10, adjustable ring; 11, oilhole; 12, high pressure spring; 13, pedal; 14, master brake cylinder; 15, oil pipe; 16, " O " type circle.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing 1, hydraulic braking force dividing control valve among the figure, comprise valve barrel 2, the valve gap 5 that is fixed as one with valve barrel, have oilhole 11 on the cylinder body of valve barrel 2, be separately positioned on the conversion head 8 at oil inlet and oil outlet place, it is characterized in that: in valve barrel, be provided with low pressing spring 1 and and valve barrel between by " O " type circle 16 side seals and will be separated into the low pressure regulating pressure valve body 4 of hydraulic pressure chamber and low pressure spring housing in the valve barrel, described low pressure regulating pressure valve body is the ducted body that an end is equipped with high-pressure pressure regulating valve core 6, one end of low pressure regulating pressure valve body is under low pressing spring 1 roof pressure, its neck that high-pressure pressure regulating valve core one end is installed is inserted in the centre hole of valve gap 5, corresponding with oil inlet, and make the end face of the taper shoulder of low pressure regulating pressure valve body lean against the inwall of valve gap; The conical surface of the shoulder of described low pressure regulating pressure valve body 4 cooperates with valve barrel 2 cooresponding taper platforms, sidewall at the hollow cavity of low pressure regulating pressure valve body 4 has oilhole, be communicated with hydraulic pressure chamber in the valve barrel and form hydraulic path with oilhole 11 on the cylinder body of valve barrel 2, high pressure spring 13 is installed in the cavity withstands on the high-pressure pressure regulating valve core 6, make high-pressure pressure regulating valve core 6 be in normally off; The shoulder of described low pressure regulating pressure valve body has oilhole and is communicated with oil inlet and hydraulic pressure chamber, hydraulic oil part from oil inlet at first enters hydraulic pressure chamber by the described oilhole on the shoulder, the conical surface that promotion low pressure regulating pressure valve body 4 moves to shoulder cooperates with valve barrel 2 cooresponding taper platforms and cuts out, the pressure of this moment is enough to push open high-pressure pressure regulating valve core 6, and hydraulic oil is carried to oil outlet by the oilhole and the unlatching oilhole 11 of the hollow cavity sidewall of low pressure regulating pressure valve body 4.When pressure oil enters hydraulic pressure chamber by the gap between valve barrel 2 and the low pressure regulating pressure valve body 4, again after the oilhole on the low pressure regulating pressure valve body 4 enters low pressure regulating pressure valve body 4, this moment, pressure moved to low pressure spring housing by promoting low pressure regulating pressure valve body 4 by " O " type circle 9 between promotion valve barrel 2 and the low pressure regulating pressure valve body 4, when reaching predetermined value, the conical suface of the shoulder of low pressure regulating pressure valve body 4 lean against on the taper platform of valve barrel 2 and under the effect of low pressing spring 1 low pressure regulating pressure valve body 4 do not moving, at this moment pressure just promotes high-pressure pressure regulating valve core 6, high-pressure pressure regulating valve core 6 pushes oil outlet high-pressure pressure regulating valve core 6 when reaching predetermined value with the hydraulic oil of hydraulic pressure chamber from oilhole 11 and is not moving under 12 effects of high pressure spring, realizes that classification regulates brake equipment.
In the said structure: the end face of the shoulder of described low pressure regulating pressure valve body 4 with the lid 5 between for to cooperate firmly, be convenient to pressure oil and enter hydraulic pressure chamber.
The conical surface of described low pressure regulating pressure valve body 4 shoulders cooperated with cooperating for hard of valve barrel 2 cooresponding taper platforms.
Described high-pressure pressure regulating valve core 6 forms hard the cooperation for taper piston with low pressure regulating pressure valve body 4 inner chamber conical sufaces, is convenient to pressure oil and promotes high-pressure pressure regulating valve core 6.
Described conversion head 8 is tightly connected by combination sealing pad 7 with valve gap 5 and the adjustable ring 10 of being located at valve barrel 2 oilholes 11 places, and conversion head 8 is convenient to connect the attaching parts of brake circuit.
Heavy stand cooperates between described adjustable ring 10 and the valve barrel 2, and is axially fixed on the valve barrel 2 by valve gap 5; Adjustable ring 10 can be installed in the hydraulic braking force dividing control valve in the brake circuit easily.
The other end of the shoulder of described low pressure regulating pressure valve body 4 is equipped with adjustable bolt lid 3, and the headkerchief of described adjustable bolt lid 3 is connected with low pressing spring 1, and low pressing spring 1 can be stored pressure.
Referring to accompanying drawing 2, the hydraulic braking force dividing control valve of two different parameters among the figure independently is installed in by adjustable ring 10 on the brake circuit of automobile, trac. and uses.
The utility model is that such Zhao of working is behind foot pedal 13, pressure oil in the master brake cylinder 14 just enters oil inlet through the centre hole that oil pipe 15 enters conversion head 8 in the hydraulic braking force dividing control valve of two different parameters respectively, high pressure oil enters hydraulic pressure chamber by the gap between valve barrel 2 and the low pressure regulating pressure valve body 4, again after the oilhole on the low pressure regulating pressure valve body 4 enters low pressure regulating pressure valve body 4, this moment, pressure moved to low pressure spring housing by promoting low pressure regulating pressure valve body 4 by " O " type circle 9 between promotion valve barrel 2 and the low pressure regulating pressure valve body 4, when reaching predetermined value, the conical suface of the shoulder of low pressure regulating pressure valve body 4 lean against on the taper platform of valve barrel 2 and under the effect of low pressing spring 1 low pressure regulating pressure valve body 4 do not moving, at this moment pressure just promotes high-pressure pressure regulating valve core 6, high-pressure pressure regulating valve core 6 pushes oil outlet high-pressure pressure regulating valve core 6 when reaching predetermined value with the hydraulic oil of hydraulic pressure chamber from oilhole 11 and is not moving under 12 effects of high pressure spring, realizes that classification regulates brake equipment; When oil inlet pressure is zero, just pin leaves pedal 13 at that moment, because the storage of energy on the low pressing spring 1, can moment the oil pressure in the oil circuit be gone back to the home position, high-pressure pressure regulating valve core 6 is inserted in neck in the centre hole of valve gap 5 under 12 effects of high pressure spring again simultaneously, and is corresponding with oil inlet.Two hydraulic braking force dividing control valves that parameter is different are distinguished the front and back wheel brake circuit of Control of Automobile or trac..
In sum, the utility model can make each on braking force obtain an equitable breakdown, the braking force after high adhesion value road surface makes full use of reasonable distribution has operability on low adhesion value road surface, can improve deceleration and stopping performance more than 15%.Prevent effectively that breakking away from appearring in automobile, trac., whipping, improved the insensitivity of automobile, trac., obviously improve the traveling comfort of glancing impact.
Claims (6)
1, a kind of hydraulic braking force dividing control valve, comprise valve barrel (2), the valve gap (5) that is fixed as one with valve barrel, have oilhole (11) on the cylinder body of valve barrel (2), be separately positioned on the conversion head (8) at oil inlet and oil outlet place, it is characterized in that: in valve barrel, be provided with low pressing spring (1) and and valve barrel between by " O " type circle (16) side seal and will be separated into the low pressure regulating pressure valve body (4) of hydraulic pressure chamber and low pressure spring housing in the valve barrel, described low pressure regulating pressure valve body is the ducted body that an end is equipped with high-pressure pressure regulating valve core (6), one end of low pressure regulating pressure valve body is under low pressing spring (1) roof pressure, its neck that high-pressure pressure regulating valve core one end is installed is inserted in the centre hole of valve gap (5), corresponding with oil inlet, and make the end face of the taper shoulder of low pressure regulating pressure valve body lean against the inwall of valve gap; The conical surface of the shoulder of described low pressure regulating pressure valve body (4) cooperates with the cooresponding taper platform of valve barrel (2), sidewall at the hollow cavity of low pressure regulating pressure valve body (4) has oilhole, be communicated with hydraulic pressure chamber in the valve barrel and form hydraulic path with oilhole (11) on the cylinder body of valve barrel (2), high pressure spring (13) is installed in the cavity withstands on the high-pressure pressure regulating valve core (6), make high-pressure pressure regulating valve core (6) be in normally off; The shoulder of described low pressure regulating pressure valve body has oilhole and is communicated with oil inlet and hydraulic pressure chamber, hydraulic oil part from oil inlet at first enters hydraulic pressure chamber by the described oilhole on the shoulder, promoting the conical surface that low pressure regulating pressure valve body (4) moves to shoulder cooperates with the cooresponding taper platform of valve barrel (2) and closes, the pressure of this moment is enough to push open high-pressure pressure regulating valve core (6), and hydraulic oil is carried to oil outlet by the oilhole and the unlatching oilhole (11) of the hollow cavity sidewall of low pressure regulating pressure valve body (4).
2, hydraulic braking force dividing control valve according to claim 1 is characterized in that: between the end face of the shoulder of described low pressure regulating pressure valve body (4) and the lid (5) for to cooperate firmly.
3, hydraulic braking force dividing control valve according to claim 1 is characterized in that: the conical surface of described low pressure regulating pressure valve body (4) shoulder cooperated with cooperating for hard of the cooresponding taper platform of valve barrel (2).
4, hydraulic braking force dividing control valve according to claim 1 is characterized in that: described conversion head (8) and valve gap (5) and be located at the adjustable ring (10) that valve barrel (2) oilhole (11) locates and be tightly connected by combination sealing pad (7).
5, hydraulic braking force dividing control valve according to claim 4 is characterized in that: heavy stand cooperates between described adjustable ring (10) and the valve barrel (2), and is axially fixed on the valve barrel (2) by valve gap (5).
6, hydraulic braking force dividing control valve according to claim 1 is characterized in that: the other end of the shoulder of described low pressure regulating pressure valve body (4) is equipped with adjustable bolt lid (3), and the headkerchief of described adjustable bolt lid (3) is connected with low pressing spring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203032085U CN201405841Y (en) | 2009-05-15 | 2009-05-15 | Hydraulic braking force distribution control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203032085U CN201405841Y (en) | 2009-05-15 | 2009-05-15 | Hydraulic braking force distribution control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405841Y true CN201405841Y (en) | 2010-02-17 |
Family
ID=41676767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203032085U Expired - Fee Related CN201405841Y (en) | 2009-05-15 | 2009-05-15 | Hydraulic braking force distribution control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405841Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828467A (en) * | 2017-03-22 | 2017-06-13 | 武汉嘉琪新扬科技发展有限公司 | A kind of brake fluid system for motor vehicles |
| CN114013417A (en) * | 2021-09-13 | 2022-02-08 | 中国北方车辆研究所 | Constant-proportion pressure distribution valve with variable width of pressure equalizing groove |
-
2009
- 2009-05-15 CN CN2009203032085U patent/CN201405841Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828467A (en) * | 2017-03-22 | 2017-06-13 | 武汉嘉琪新扬科技发展有限公司 | A kind of brake fluid system for motor vehicles |
| CN106828467B (en) * | 2017-03-22 | 2023-04-25 | 武汉嘉琪新扬科技发展有限公司 | Hydraulic braking system for a motor vehicle |
| CN114013417A (en) * | 2021-09-13 | 2022-02-08 | 中国北方车辆研究所 | Constant-proportion pressure distribution valve with variable width of pressure equalizing groove |
| CN114013417B (en) * | 2021-09-13 | 2023-01-13 | 中国北方车辆研究所 | Constant-proportion pressure distribution valve with variable width of pressure equalizing groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20120515 |