CN102996552A - Anti-jamming flow control valve - Google Patents
Anti-jamming flow control valve Download PDFInfo
- Publication number
- CN102996552A CN102996552A CN 201210471933 CN201210471933A CN102996552A CN 102996552 A CN102996552 A CN 102996552A CN 201210471933 CN201210471933 CN 201210471933 CN 201210471933 A CN201210471933 A CN 201210471933A CN 102996552 A CN102996552 A CN 102996552A
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- valve
- conical
- spring
- flow control
- conical valve
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- Power Steering Mechanism (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to an anti-jamming flow control valve, wherein a conical valve seat is arranged at one end of a sliding valve, a conical valve is arranged inside the sliding valve, the end part of the conical valve and a hole in the conical valve seat are arranged in a matching manner, a spring is arranged on a positioning rod of the conical valve, an adjusting pad is arranged between the sliding valve and the conical valve seat, and a micro-adjusting pad is arranged between the sliding valve and the conical valve. According to the anti-jamming flow control valve disclosed by the invention, a pressure control valve is arranged inside a valve body, the hole in the conical valve seat is communicated with pressure oil at the end, which is provided with the spring, of the sliding valve group, the oil pressure is matched with the pressure adjusting force of the spring, the conical valve seat is connected with the valve body through threads, the conical valve is matched with a small valve seat hole, the spring is arranged on the positioning rod of the conical valve, and therefore the maximum pressure of a system is controlled. The anti-jamming flow control valve disclosed by the invention has the advantages of solving the problem that the sliding valve group is jammed resulting from deformation of the sliding valve, also solving the problem that the sliding valve group deforms and is further jammed due to installation of the conical valve seat under the condition that a steering pump normally operates and improving the sensitivity, reliability and safety of a pump.
Description
Technical field
The present invention relates to automobile steering system power-assisted oil pump field, relate in particular to the slide valve gear of motor turning power-assisted oil pump.
Background technique
Motor turning is to adopt the mechanical type steering wheel to realize that the operating direction machine has pinion and-rack, circulating ball type for many years always, and this form steering torque is larger, and operating flexibility is poor, easily produces fatigue and poor stability during driver's operation.Along with the economic development of China, people's living standard improves constantly, the driving comfort cry is more and more high, and the fast development of automobile industry, high-powered engine heavy duty vehicle is in rising trend, steering force strengthens gradually, the mechanical type steering wheel can not satisfy China Automobile Industry, hydraulic power-assist steering system is to solve to reduce handling maneuver power, reduction driver labor intensity effective ways, yet in fluid-link steering, the guiding valve group occurs again and again in the stuck phenomenon of valve opening, has affected the safety and reliability of automobile assisted power steering system.
Summary of the invention
The stuck problem of guiding valve when causing guiding valve distortion, work in order to solve the installation conical valve base, the sensitivity, reliability and the Security that improve pump the invention provides a kind of clamping-proof type flow control valve.
The technological scheme that the present invention adopts for achieving the above object is: the clamping-proof type flow control valve, and guiding valve one end is installed conical valve base, the inner cone valve of installing of guiding valve, the cone valve end cooperates installation with the hole of conical valve base, and spring fitting is on the positioning rod of cone valve.
Be provided with spacer between described guiding valve and the conical valve base, be provided with the fine setting pad between guiding valve and the cone valve.
Clamping-proof type flow control valve of the present invention, pressure controlled valve is equipped with in inside at valve body, hole on the conical valve base communicates with the pressure oil of guiding valve group band spring terminal, oil pressure adopts with valve body with the coupling conical valve base of pressure adjusting spring power and is threaded, cone valve cooperates with the valve seat aperture, spring is contained on the positioning rod of cone valve, has controlled system's pressure maximum.Solve the guiding valve distortion and caused the stuck problem of guiding valve group, under the steering pump normal operation, solved because conical valve base is installed and made the guiding valve distortion, thereby caused the stuck problem of guiding valve group, improved sensitivity, reliability and the Security of pump.
Description of drawings
Fig. 1 is the main pseudosection of clamping-proof type flow control valve power assistance pump for steering of the present invention.
Fig. 2 is the guiding valve group structural drawing of clamping-proof type flow control valve of the present invention.
Among the figure: guiding valve group 1, spring 2, adjustment pad 3, fine setting pad 4, spring 5, cone valve 6, guiding valve 7, conical valve base 8.
Embodiment
Clamping-proof type flow rate control valve structure of the present invention as depicted in figs. 1 and 2, flow control valve is to be assemblied in the valve opening of the pump housing of steering pump or pump cover, end in guiding valve group 1 is equipped with spring 2, and pass into pressure oil through damping hole, the other end passes into pressure oil, under the effect of spring and oil pressure, guiding valve group 1 relatively moves with valve opening.Pressure controlled valve is equipped with in inside at valve body, extrusion spring 5 and fine setting pad when cone valve 6 moves, hole on the conical valve base 8 communicates with the pressure oil of guiding valve group 1 with spring terminal, oil pressure adopts with valve body with the coupling conical valve base 8 of pressure adjusting spring power and is threaded, cone valve 6 cooperates with valve seat 8 apertures, spring is contained on the positioning rod of cone valve, has controlled system's pressure maximum.Guiding valve 7 one ends are installed conical valve base 8, the guiding valve 7 inner cone valves 6 of installing, and cone valve 6 ends cooperate installation with the hole of conical valve base 8, and spring 5 is installed on the positioning rod of cone valve 6.Be provided with spacer 3 between guiding valve 7 and the conical valve base 8, be provided with fine setting pad 4 between guiding valve 7 and the cone valve 6.
Flow control valve is installed in the inner and flow control spring 2 of valve opening, when guiding valve group 1 two ends flow forms the pressure reduction imbalance, act directly on the two ends of guiding valve group 1, when pressure reduction has been broken guiding valve group 1 state of equilibrium, guiding valve group 1 has overcome spring force 2 and has begun mobile under the effect of pressure reduction, use oil pocket and communicate with the oil spilling mouth, fuel-displaced cavity segment flow overflows through flow-off, and flooded traffic directly enters the pump oil sucting cavity by inner flow passage.Make the output flow by oil outlet input redirect system be tending towards constant, realize flow control; When induced pressure reaches the cracking pressure that boost pump is set, namely during pressure maximum, cone valve 6 moves Compress Spring, and fluid flows into from the damping hole of conical valve base 8, realizes overflow, defines system's maximum pressure, realizes pressure control.Realize in the process of control of flow and pressure in guiding valve group 1, guiding valve group 1 must remain in the valve opening mobile unimpeded, conical valve base 8 expands with the excessive largest diameter D position of guiding valve that causes of guiding valve 7 screwing forces when assembling, cause the phenomenon of card valve to occur, Given this conical valve base 8 can move to left end with the part that is threaded of guiding valve 7, avoid crossing ambassador's guiding valve 7 largest diameter D positions because of screwing force and expand, make guiding valve 7 distortion, thereby avoided guiding valve group 1 to cooperate the generation that stuck phenomenon occurs with the hole.Solve the guiding valve distortion and caused the stuck problem of guiding valve group, under the steering pump normal operation, solved because conical valve base is installed and made the guiding valve distortion, thereby caused the stuck problem of guiding valve group, improved sensitivity, reliability and the Security of pump.
Claims (2)
1. clamping-proof type flow control valve, it is characterized in that: guiding valve (7) one ends are installed conical valve base (8), the inner cone valve (6) of installing of guiding valve (7), cone valve (6) end cooperates installation with the hole of conical valve base (8), and spring (5) is installed on the positioning rod of cone valve (6).
2. clamping-proof type flow control valve according to claim 1 is characterized in that: be provided with spacer (3) between described guiding valve (7) and the conical valve base (8), be provided with fine setting pad (4) between guiding valve (7) and the cone valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210471933 CN102996552A (en) | 2012-11-21 | 2012-11-21 | Anti-jamming flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210471933 CN102996552A (en) | 2012-11-21 | 2012-11-21 | Anti-jamming flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102996552A true CN102996552A (en) | 2013-03-27 |
Family
ID=47925531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210471933 Pending CN102996552A (en) | 2012-11-21 | 2012-11-21 | Anti-jamming flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102996552A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994784A (en) * | 2018-08-06 | 2018-12-14 | 安徽天裕汽车零部件制造有限公司 | A kind of hydraulic controller of auto parts and components rotation machine table |
-
2012
- 2012-11-21 CN CN 201210471933 patent/CN102996552A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994784A (en) * | 2018-08-06 | 2018-12-14 | 安徽天裕汽车零部件制造有限公司 | A kind of hydraulic controller of auto parts and components rotation machine table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130327 |