CN108661969B - Hydraulic electromagnetic valve for light industry machinery - Google Patents
Hydraulic electromagnetic valve for light industry machinery Download PDFInfo
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- CN108661969B CN108661969B CN201810809342.6A CN201810809342A CN108661969B CN 108661969 B CN108661969 B CN 108661969B CN 201810809342 A CN201810809342 A CN 201810809342A CN 108661969 B CN108661969 B CN 108661969B
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- spring
- valve core
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Physics & Mathematics (AREA)
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- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a hydraulic electromagnetic valve for light-duty machinery, which comprises a valve body, a valve core and an electromagnet mechanism, wherein the valve body is of a two-position five-way structure, a main valve cavity is arranged in the valve body, the valve core is arranged in the main valve cavity, one end of the valve core is connected with an electromagnet spring, the other end of the valve core is connected with a return spring, the electromagnet spring is also connected with the electromagnet mechanism, the electromagnet spring does stretching and contracting movement under the action of the electromagnet mechanism on and off so as to drive the valve core to move left and right, the electromagnet mechanism is also connected with a potentiometer, and the potentiometer is used for adjusting the magnitude of input current of the electromagnet mechanism. The hydraulic electromagnetic valve for the light industry machinery, disclosed by the invention, has the functions of a certain proportion valve, is stable in performance, pollution-resistant, simple in procedure, easy to operate, small in failure rate, convenient to operate and maintain and cost-saving.
Description
Technical Field
The invention discloses a hydraulic electromagnetic valve for light industry machinery, and belongs to the technical field of light industry machinery hydraulic pressure.
Background
At present, light industrial machinery such as shoe making and the like in China are mainly concentrated in the south, no warm air is provided in winter, the temperature is high in summer, the light industrial machinery works for 24 hours continuously, and the normal phenomenon is that the equipment operates at 70-80 ℃. The product has high required quality and wide processing range. The requirements for the equipment are: the adjustable force regulator has the advantages that the adjustable force regulator meets the requirement of a wide force regulation range, is accurate in adjustment every time, is simple to operate, and is not easy to control dust and skin cutting in the product processing process and harsh in environment. Not only has high efficiency and quality, but also reduces the cost and simplifies the operation. Conventionally, this condition is best controlled by proportional operation, but proportional valves are also very demanding and costly for the transmission medium and the environment.
Disclosure of Invention
In order to solve the above problems, the present invention provides a hydraulic solenoid valve for a light industrial machine.
The invention is realized by the following steps: a hydraulic electromagnetic valve for light industry machinery comprises a valve body, a valve core and an electromagnet mechanism, wherein the valve body is of a two-position five-way structure and comprises P, T, A, B, C five interfaces, wherein a P, T interface is positioned at one side of the valve body, a A, B, C interface is positioned at the other side of the valve body, a main valve cavity is arranged in the valve body and is a cylindrical hole, a right shoulder cavity and a left shoulder cavity are arranged on the main valve cavity, the aperture of the right shoulder cavity and the aperture of the left shoulder cavity are larger than that of the main valve cavity, the main valve cavity is respectively connected with a B, C interface through a channel B and a channel C, a P interface is communicated with the right shoulder cavity of the main valve cavity, and a T interface is communicated with the left shoulder cavity of the main valve,
the valve core is arranged in a main valve cavity and comprises a right shoulder and a left shoulder, the right shoulder and the left shoulder of the valve core are cylindrical, the diameter of the cylinder is equal to the diameter of the main valve cavity, one end of the valve core is connected with an electromagnet spring, the other end of the valve core is connected with a reset spring, the electromagnet spring is further connected with an electromagnet mechanism, the electromagnet spring does stretching and contracting movement under the action of disconnection and electrification of the electromagnet mechanism, so that the valve core is driven to move leftwards and rightwards, the electromagnet mechanism is further connected with a potentiometer, and the potentiometer is used for adjusting the input current of the electromagnet mechanism.
Furthermore, the channel at the port B is a channel with one end being a blind hole, and the other end of the channel is connected with an inner hexagonal bolt.
Furthermore, reset spring set up in the spring cap, the spring cap sets up in one side trompil department of valve body, reset spring is connected with the bottom of spring cap, the junction is provided with the spring pad.
Furthermore, the spring cap is arranged at an opening at one side of the valve body, and the spring cap is fixed at the opening by a steel wire check ring for holes.
Furthermore, the end surfaces of the A, B, C interfaces are all provided with O-shaped ring grooves, and the A, B, C interfaces are arranged in a shape like a Chinese character pin.
The hydraulic electromagnetic valve for the light industry machinery disclosed by the invention has the functions of a certain proportional valve, is resistant to pollution like a common valve, does not need a proportional amplifier, and can obtain different valve openings by regulating the magnitude of input current through a potentiometer. The method has the advantages of stable performance, pollution resistance, simple and easy procedure, small failure rate, convenient operation and maintenance and cost saving.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the valve chamber of the present invention;
FIG. 4 is a schematic structural view of the valve cartridge of the present invention;
FIG. 5 is a structural diagram of the valve cartridge of the present invention in the energized state;
in the figure: 1. a valve body; 2. a valve core; 201. an electromagnet spring; 3. an electromagnet mechanism; 6. a return spring; 7. a spring cap; 8. a steel wire retainer ring for the hole; 9. a spring pad; an "O" ring seal; 11. the potentiometer comprises a main valve cavity 100, a right shoulder cavity 101, a left shoulder cavity 102, a port B passage 103, a port C passage 104, a right shoulder 201 and a left shoulder 201.
Detailed Description
In order to clearly understand the technical scheme of the invention, the invention is further explained with reference to the attached drawings.
As shown in fig. 1, 2, 3 and 4, a hydraulic solenoid valve for light-duty machinery comprises a valve body 1, a valve core 2 and an electromagnet mechanism 4, wherein the valve body 1 is of a two-position five-way structure and comprises P, T, A, B, C five interfaces, a P, T interface is located on one side of the valve body, a A, B, C interface is located on the other side of the valve body, a main valve cavity 100 is arranged in the valve body and is a cylindrical hole, a right shoulder cavity 101 and a left shoulder cavity 102 are arranged on the main valve cavity, the aperture of the right shoulder cavity 101 and the aperture of the left shoulder cavity 102 are larger than the aperture of the main valve cavity 100, the main valve cavity 100 is connected with a B, C interface through a port B channel 103 and a port C channel 104, the port P is communicated with the right shoulder cavity 101 of the main valve cavity 100, and the port T is communicated with the left shoulder cavity 102 of the main valve cavity 100,
the valve core 2 is arranged in the main valve cavity 100 and comprises a right shoulder 201 and a left shoulder 202, the right shoulder 201 and the left shoulder 202 of the valve core 2 are cylindrical, the diameter of the cylinder is equal to the diameter of the main valve cavity 100, one end of the valve core 2 is connected with an electromagnet spring 3, the other end of the valve core is connected with a return spring 6, the electromagnet spring 3 is further connected with an electromagnet mechanism 4, the electromagnet spring 3 extends and contracts under the action of the electromagnet mechanism 4 being disconnected and electrified, so that the valve core 2 is driven to move left and right, the electromagnet mechanism 4 is further connected with a potentiometer 11, and the potentiometer 11 is used for adjusting the input current of the electromagnet mechanism 4.
Furthermore, the channel 103 at the port B is a channel with a blind hole at one end, and the other end of the channel is connected with the hexagon socket cap nut 5.
Further, reset spring 6 set up in spring cap 7, spring cap 7 sets up in one side trompil department of valve body 1, and reset spring 6 is connected with the bottom of spring cap 7, and the junction is provided with spring pad 9.
Furthermore, the spring cap 7 is arranged at an opening on one side of the valve body 1, and the spring cap is fixed at the opening through a steel wire retainer ring 8 for hole.
Furthermore, the end surfaces of the A, B, C interfaces are provided with O-shaped ring grooves, O-shaped rings 10 are arranged in the O-shaped ring grooves, and the A, B, C interfaces are arranged in a shape like a Chinese character pin.
Working process
When the electromagnet is not powered, the valve core is positioned as shown in fig. 1, the right shoulder 201 of the valve core 2 seals the main valve cavity 100, the oil inlet of the port P cannot enter the main valve cavity 100, the left shoulder 202 of the valve core 2 is positioned in the left shoulder cavity 102, the port P-A is communicated, and the port B, C is communicated with the port T (oil tank port);
when the electromagnet is electrified, a current value is given to the electromagnet through the adjustment of the potentiometer. The current input coil generates electromagnetic force to drive the valve core 2, the other end of the valve core 2 is provided with a return spring 6, when the electromagnetic force and the spring force are balanced, the valve core stops moving, as shown in fig. 5, a left shoulder 202 of the valve core 2 seals the main valve cavity 100, the interface is closed, a right shoulder 201 of the valve core 2 corresponds to the opening degree of a valve port at the position of the right shoulder cavity 101, at the moment, the interface P-interface A, B, C is communicated (the interface P-interface A is directly communicated, the interface P is communicated with the interface B through the main valve cavity, and then respectively communicated with the interface B and the interface C through the channel B, and the interface.
When the electromagnet is powered off, the valve core 2 returns to the original position under the action of the return spring 6, and a working cycle is completed. Different currents are input according to requirements to obtain different valve core opening output powers, and work of different loads is completed.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (5)
1. A hydraulic electromagnetic valve for light-duty machinery comprises a valve body, a valve core and an electromagnet mechanism, and is characterized in that the valve body is of a two-position five-way structure and comprises P, T, A, B, C interfaces, wherein a P, T interface is positioned on one side of the valve body, a A, B, C interface is positioned on the other side of the valve body, a main valve cavity is arranged in the valve body and is a cylindrical hole, a right shoulder cavity and a left shoulder cavity are arranged on the main valve cavity, the aperture of the right shoulder cavity and the aperture of the left shoulder cavity are larger than that of the main valve cavity, the main valve cavity is respectively connected with a B, C interface through a channel B and a channel C, a port P is communicated with the right shoulder cavity of the main valve cavity, and a port T is communicated with the left shoulder cavity of the main valve,
the valve core is arranged in the main valve cavity and comprises a right shoulder and a left shoulder, the right shoulder and the left shoulder of the valve core are cylindrical, the diameter of the cylinder is equal to the diameter of the main valve cavity, one end of the valve core is connected with an electromagnet spring, the other end of the valve core is connected with a return spring, the electromagnet spring is also connected with an electromagnet mechanism, the electromagnet spring does stretching and contracting motion under the action of the disconnection and the electrification of the electromagnet mechanism so as to drive the valve core to move leftwards and rightwards, the electromagnet mechanism is also connected with a potentiometer, and the potentiometer is used for adjusting the input current of the electromagnet mechanism,
when the electromagnet is electrified, a current value is given to the electromagnet through the adjustment of a potentiometer, a current input coil generates electromagnetic force to drive a valve core, a return spring is arranged at the other end of the valve core, the valve core stops moving after the electromagnetic force and the spring force are balanced, the left shoulder of the valve core seals a main valve cavity, a port is closed, the right shoulder of the valve core is positioned in a right shoulder cavity and corresponds to the opening of a valve port, the port P-port A, B, C is communicated at the moment, a T port is closed, after the electromagnet is powered off, the valve core returns to the original position under the action of the return spring to complete a working cycle, different currents are input according to needs to obtain different output powers of the valve core opening, and the work.
2. The hydraulic electromagnetic valve for light industry machinery as claimed in claim 1, wherein the port B channel is a channel with a blind hole at one end, and the other end of the channel is connected with a hexagonal plug.
3. The hydraulic solenoid valve for light-duty machinery as claimed in claim 1, wherein said return spring is disposed in a spring cap, the spring cap is disposed at an opening on one side of the valve body, the return spring is connected to the bottom of the spring cap, and a spring pad is disposed at the connection.
4. The hydraulic solenoid valve for light work machinery as claimed in claim 3, wherein the spring cap is provided at a side opening of the valve body, and the spring cap is fixed at the opening by a wire retainer ring.
5. The hydraulic electromagnetic valve for light-duty machinery as claimed in claim 1, wherein the end faces of said A, B, C interfaces are all provided with "O" ring grooves, and A, B, C interfaces are arranged in a shape of "pin".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809342.6A CN108661969B (en) | 2018-07-23 | 2018-07-23 | Hydraulic electromagnetic valve for light industry machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809342.6A CN108661969B (en) | 2018-07-23 | 2018-07-23 | Hydraulic electromagnetic valve for light industry machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108661969A CN108661969A (en) | 2018-10-16 |
| CN108661969B true CN108661969B (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809342.6A Active CN108661969B (en) | 2018-07-23 | 2018-07-23 | Hydraulic electromagnetic valve for light industry machinery |
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| Country | Link |
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| CN (1) | CN108661969B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103070U (en) * | 1991-08-24 | 1992-04-29 | 严卫 | Long-life energy-saving solenoid valve |
| CN2156328Y (en) * | 1993-05-21 | 1994-02-16 | 华南理工大学 | Large flow quantity high speed valve |
| CN201043544Y (en) * | 2007-04-30 | 2008-04-02 | 江苏鼎晟液压有限公司 | Electromagnetic change valve |
| CN202302087U (en) * | 2011-09-09 | 2012-07-04 | 宁波利达气动成套有限公司 | Two-position five-way valve |
| CN105422913A (en) * | 2015-11-17 | 2016-03-23 | 宁波汉德森自动化工业有限公司 | Two-position and five-way solenoid valve |
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2018
- 2018-07-23 CN CN201810809342.6A patent/CN108661969B/en active Active
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| CN108661969A (en) | 2018-10-16 |
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