Pressure Compensated Electro-Proportional Seat Valve
A technology of pressure compensation and electric proportionality, which is applied in the direction of fluid pressure actuators, lift valves, valve devices, etc., can solve the problems of poor oil pollution resistance, low control accuracy, complex structure, etc., and achieve compact structure and high control accuracy The effect of high and simplified structure
Active Publication Date: 2019-06-11
浙江三尚智迪科技有限公司
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Therefore, the structure is complicated and the cost is high, and because the electric proportional flow valve is a slide valve structure, the ability to resist oil pollution is poor, and the control accuracy is not high
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] The pressure-compensated electric proportional seat valve of the present invention is a hydraulic control valve between ordinary hydraulic valves and electro-hydraulic servo valves. It is used in some occasions with high control speed precision, occasions with load changes, and occasions where the load needs to be maintained. . Such as pressure vessel fatigue life testing machine, hydraulic elevator motion and control system, metal cutting machine tool table motion control, rolling mill pressing and control system, hydraulic punch press, pipe bending machine, plastic injection molding machine, etc.
[0021] Such as figure 1 with figure 2 As shown, the pressure-compensated electro-proportional seat valve consists of a proportional solenoid assembly 2 and a seat valve assembly 1. Wherein, the proportional electromagnet assembly 2 includes a magnetic sleeve 21 and a coil 22 arranged outside the middle of the magnetic sleeve. Rear chamber, the front side of the middle p...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a pressure compensation electric proportional seat valve which is formed by a proportion electro-magnet assembly and a seat valve assembly. The seat valve assembly comprises a main valve sleeve and a taper valve element arranged in the main valve sleeve; the front part of a concentrating flux sleeve is connected with the main valve sleeve; an oil inlet is formed in the front end of the main valve sleeve; an oil outlet is formed in the side face of the main valve sleeve; a taper head matched with the oil inlet is arranged at the front part of the taper valve element; the rear part of the taper valve element stretches into a front cavity and is connected with a reset spring; a radial pressure guiding hole communicating with the front cavity is formed in the rear part of the taper valve element; and the taper valve element is axially provided with an axial pressure guiding hole enabling the front end of the taper valve element to communicate with the radial pressure guiding hole. The pressure compensation electric proportional seat valve provided by the invention is simple in structure, compact in structure, high in pressure, high in pollution resistance and high in control accuracy.
Description
technical field [0001] The invention relates to a valve, in particular to a pressure compensation electric proportional seat valve. Background technique [0002] At present, in the hydraulic industry, the electric proportional flow valve is usually used to adjust the speed of the electric actuator; the rapid cut-off and pressure maintenance of the oil circuit is realized by the electromagnetic seat valve. The electric proportional flow valve is used in series with the electromagnetic seat valve to realize the fast and slow working pole of the actuator to stop and maintain the load. Therefore, the structure is complicated and the cost is high, and because the electric proportional flow valve is a slide valve structure, the ability to resist oil pollution is poor, and the control accuracy is not high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pressure-compensated electric proportional seat valve, which use...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06F16K1/00F15B13/02
CPCF15B13/026F16K1/00F16K31/0675
Inventor 王波罗占涛姚海峰
Owner 浙江三尚智迪科技有限公司