CN109826995B - Multiple sealed high-speed electromagnetic valve - Google Patents
Multiple sealed high-speed electromagnetic valve Download PDFInfo
- Publication number
- CN109826995B CN109826995B CN201910229705.3A CN201910229705A CN109826995B CN 109826995 B CN109826995 B CN 109826995B CN 201910229705 A CN201910229705 A CN 201910229705A CN 109826995 B CN109826995 B CN 109826995B
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- valve body
- valve
- oil
- oil drain
- cavity
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- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 125
- 238000010586 diagram Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
Abstract
The invention discloses a multi-seal high-speed electromagnetic valve, which has the structure that: the valve body comprises a valve body left insert block and a valve body right insert block, wherein the valve body left insert block and the valve body right insert block are connected to form a valve body main body, an end cover is fixed on one side of the valve body left insert block, and a spring cover is fixed on one side of the valve body right insert block; the valve body is characterized in that a valve sleeve is arranged in an inner cavity of the valve body main body, a valve core is arranged in the valve sleeve, one side of the valve core, which is positioned on the right insertion block of the valve body, is connected with an armature, and the armature and the sucker type electromagnet are matched; the valve core is sleeved with a spring, and one end of the spring is clung to the spring cover. The high-speed electromagnetic valve increases the sealing performance of cylindrical surface sealing under the condition of high oil inlet pressure, can effectively reduce leakage and ensures higher response speed.
Description
Technical Field
The invention relates to the field of electromagnetic valves, in particular to a multi-seal high-speed electromagnetic valve, which is a two-position two-way direct-acting valve with high response speed.
Background
Solenoid valves (Electromagnetic valve) are solenoid-operated industrial equipment, which are automated basic components for controlling fluids, and are actuators, not limited to hydraulic, pneumatic, and are used in industrial control systems to regulate the direction, flow, velocity, and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. Solenoid valves are many, and different solenoid valves function at different locations in the control system, most commonly one-way valves, safety valves, directional control valves, speed regulating valves, and the like.
The traditional electromagnetic valve is internally provided with a closed cavity, through holes are formed in different positions, each hole is connected with different oil pipes, a piston is arranged in the middle of the cavity, two electromagnets are arranged on two sides, a magnet coil on which side is electrified can attract a valve body to which side, different oil drain holes are opened or closed by controlling the movement of the valve body, the oil inlet holes are normally open, hydraulic oil can enter different oil drain pipes, then the piston of an oil cylinder is pushed by the pressure of the oil, the piston drives a piston rod, and the piston rod drives a mechanical device; thus, the mechanical movement is controlled by controlling the current on-off of the electromagnet.
At present, there are many kinds of high-speed electromagnetic valves on the market, such as schneider series of servo valves, which can guarantee higher response speed and lower leakage amount, but the precision requirement and processing level required between the valve core and the valve hole are difficult to reach for most of domestic manufacturers, which also results in extremely high manufacturing cost.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the multi-seal high-speed electromagnetic valve, which can increase the sealing tightness of the cylindrical surface under the condition of high oil inlet pressure, effectively reduce leakage and ensure higher response speed; the high-speed electromagnetic valve adopts cylindrical surface sealing instead of conical surface sealing, and compared with a conical surface, the high-speed electromagnetic valve has the advantages of small processing difficulty and low cost; moreover, the cylindrical surface seal can have better ductility, and a new oil way is convenient to add.
In order to solve the technical problems, the invention adopts the following technical scheme:
the multiple-sealing high-speed electromagnetic valve comprises a valve body left plug block and a valve body right plug block, wherein the valve body left plug block and the valve body right plug block are connected to form a valve body main body, an end cover is fixed on one side of the valve body left plug block, and a spring cover is fixed on one side of the valve body right plug block; the valve body is characterized in that a valve sleeve is arranged in an inner cavity of the valve body main body, a valve core is arranged in the valve sleeve, one side of the valve core, which is positioned on the right insertion block of the valve body, is connected with an armature, and the armature and the sucker type electromagnet are matched; the valve core is sleeved with a spring, and one end of the spring is clung to the spring cover;
wherein, the structure of valve body left plug is: the valve body left plug block is provided with a first mounting hole, a first oil drain storage chamber connecting port and a first oil outlet; the first oil outlet is communicated with the first cavity and the outer surface of the left insert block of the valve body, and the first oil drainage storage chamber connecting port is positioned and penetrates through the cylindrical expenditure section;
the structure of the right insert block of the valve body is as follows: the main body is in a cuboid shape, and the right plug block of the valve body is provided with a second cavity, a second annular groove cavity, a second oil inlet, a second oil drainage storage chamber connecting port, a second oil drainage port and a second mounting hole; the second cavity and the second annular groove cavity jointly form a cavity penetrating the right insert block of the valve body, and the aperture of the second annular groove cavity is larger than that of the second cavity; the second oil drain storage chamber connecting port is a through hole penetrating through the right plug block of the valve body, the second oil inlet is communicated with the cavity of the second annular groove and the outer surface of the right plug block of the valve body, and the second oil drain port is communicated with the second cavity and the outer surface of the right plug block of the valve body;
the valve sleeve has the structure that: the main body of the valve sleeve is a hollow cylinder, the valve sleeve is provided with a third cavity which axially penetrates through the valve sleeve, and a third oil outlet, a third oil drain notch, a third oil inlet notch and a third oil drain port are sequentially distributed on the valve sleeve;
the valve core has the structure that: the valve core is sequentially provided with a guide section, a short connecting section, a sealing guide section and a long connecting section, and is provided with an axial oil duct which axially penetrates through the valve core; the guide section, the sealing section and the sealing guide section are all cylinders with equal diameters, the sealing guide section is provided with a cross guide at the position close to the sealing section, and the long connecting section is provided with a fourth oil drain port and a fourth positioning pin hole; the fourth oil drain port is communicated with the axial oil duct and the outer surface of the long connecting section;
one side of the armature is a round table which is matched with the sucking disc type electromagnet, the other side of the armature is a hollow cylinder, the side of the armature is provided with a valve core matching cavity, and the valve core matching cavity is used for connecting a long connecting section of the valve core; a seventh positioning pin hole on the hollow cylinder at one side of the armature is communicated with a fourth positioning pin hole on the valve core;
when the valve body left plug block is connected with the valve body right plug block, a second oil drainage storage chamber connecting port on the valve body right plug block is communicated with a first oil drainage storage chamber connecting port on the valve body left plug block, and at the moment, a first cavity of the valve body left plug block is matched with a second cavity of the valve body right plug block to form an annular oil chamber; the third oil drain port on the valve sleeve is communicated with the second oil drain port of the right plug block of the valve body, the third oil inlet notch on the valve sleeve is communicated with the annular oil chamber, and the third oil drain notch of the valve sleeve is communicated with the first oil drain storage chamber connecting port of the left plug block of the valve body;
the sealing section of the valve core is provided with a cross guiding side which is matched with one side of a third oil inlet notch of the valve sleeve, which is close to the third oil outlet notch, to form a first sealing surface; and the fourth oil drain port of the valve core is communicated with the third oil drain port of the valve sleeve.
Further, the left valve body insert block and the right valve body insert block are positioned through the spigot.
Further, the second oil inlet of the right insert block of the valve body is a threaded hole, and the central axis of the second oil inlet is perpendicular to the central axis of the cavity of the second annular groove and is close to one side of the second mounting hole.
Further, the central axis of the second oil drain port of the right valve body plug block is perpendicular to the central axis of the second mounting hole and is parallel to the central axis of the second oil drain storage chamber connecting port.
Furthermore, two sealing ring grooves are further formed in the valve sleeve, the two sealing ring grooves are located on two sides of the third oil drain notch, a sealing ring is arranged between the valve sleeve and the valve body main body, and the sealing ring is installed in the sealing ring grooves.
Further, on the valve sleeve, the central axis of the third oil outlet is perpendicular to the central axis of the third oil drain outlet.
Further, a fifth oil drain port is arranged on the end cover, the fifth oil drain port is a threaded through hole, and the central axis of the fifth oil drain port is coincided with the central axis of the end cover; the fifth oil drain port is communicated with an axial oil duct of the valve core, and the end cover and the left plug block of the valve body are positioned through a spigot.
Further, the armature and the sucker type electromagnet are arranged in an electromagnet shell, and the electromagnet shell comprises an electromagnet shell connecting section connected with a right plug block of the valve body and an electromagnet shell main body section at the rear end; the electromagnet shell main body section is provided with an observation groove, an electromagnet mounting cavity and an electromagnet positioning hole.
Further, a gasket is arranged between the spring and the spring cover and used for adjusting the pretightening force of the spring.
Further, a gasket is added between the end cover and the left insert block of the valve body and is used for adjusting the sealing length of the two axial sealing surfaces of the valve core.
Compared with the prior art, the invention has the beneficial technical effects that: the cylindrical surface sealing mode is adopted, so that the setting of a new oil port is convenient, and the valve is different from a single switching valve adopting conical surface sealing; the cylindrical surface seal has better sealing effect under the same precision, so that the leakage is reduced and the cost is reduced; the design of multiple sealing surfaces can reduce the axial sealing length of a single sealing surface, shorten the opening and closing stroke of the valve core, namely reduce the gap value between the armature and the electromagnet, thereby reducing the magnetic flux leakage, increasing the induced electromagnetic force and greatly improving the response speed; the design of the annular oil chamber on the valve body can reduce the oil filling time and ensure that the oil inlet quantity is enough in unit time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a multiple seal high speed solenoid valve according to the present invention;
FIG. 2 is a schematic view of the left plug structure of the valve body in the electromagnetic valve of the invention;
FIG. 3 is a schematic view of the right plug structure of the valve body in the electromagnetic valve of the invention;
FIG. 4 is a schematic illustration of the valve housing structure of the solenoid valve of the present invention;
FIG. 5 is a schematic diagram of the valve core structure of the solenoid valve of the present invention;
FIG. 6 is a schematic diagram of the end cap structure of the solenoid valve of the present invention;
FIG. 7 is a schematic view of the spring cover structure of the solenoid valve of the present invention;
FIG. 8 is a schematic illustration of the armature configuration of the solenoid valve of the present invention;
fig. 9 is a schematic diagram of the electromagnet housing structure in the solenoid valve of the present invention.
In the figure: 1-end caps; 2-a left plug block of the valve body; 3-a right plug block of the valve body; 4-an electromagnet shell connecting section; 5-electromagnet housing body segments; 6-sucking disc type electromagnet; 7-an armature; 8-a spring cover; 9-a spring; 10-valve core; 11-valve sleeve;
left plug structure of valve body: 12-a first mounting hole; 13-a first cavity; 14-a first drainage reservoir connection port; 15-a first oil outlet;
valve body right plug structure: 16-a second cavity; 17-a second oil inlet; 18-a second mounting hole; 19-a second ring groove cavity; 20-a second oil drainage storage chamber connection port; 21-a second oil drain port;
the valve sleeve structure is as follows: 22-a third oil outlet; 23-a seal ring groove; 24-a third oil inlet notch; 25-a third cavity; 26-a third oil drain port; 27-a third drain notch;
the valve core structure: 28-axial oil passage; 29-a guide section; 30-short connection section; 31-a sealing section; 32-sealing the guide section; 33-a fourth oil drain port; 34-long connecting sections; 35-fourth dowel holes;
other structures: 36-a fifth oil drain port; 37-a fifth mounting hole; 38-sixth mounting holes; 39-valve core guide holes; 40-valve core matching cavity; 41-seventh dowel holes; 42-axial air holes; 43-electromagnet mounting cavity; 44-observation grooves; 45-an electromagnet mounting cavity; 46-electromagnet positioning holes.
Description: the same or functionally similar component distinction means, for example, "first" means a component provided on the left insert block of the valve body, "second" means a component provided on the right insert block of the valve body, "third" means a component provided on the valve housing, "fourth" means a component provided on the valve spool, and so on.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The invention relates to a multi-seal high-speed electromagnetic valve, which is shown in figure 1, and comprises an oil way on-off mechanism and a driving mechanism, wherein the oil way on-off mechanism comprises a valve body (a left valve body insert block 2, a right valve body insert block 3 and the like), a valve sleeve 11, a valve core 10 and an end cover 1; the valve body is composed of a left valve body insert block 2 and a right valve body insert block 3, and the left valve body insert block and the right valve body insert block can be positioned through a spigot.
As shown in fig. 2, the left insert block 2 of the valve body can be divided into a large end and a small end, the large end is in a cuboid shape, the small end is in a cylinder shape, and the central axis of the small end coincides with the center of the upper end face and the lower end face of the cuboid; the valve body left insert block 2 is provided with a first mounting hole 12, and the first mounting hole 12 is coaxial with the small end cylinder and is a through hole; the valve body left insert block 2 is provided with a first cavity 13, and a first oil outlet 15 and a first oil drain storage chamber connecting port 14 are arranged on the first cavity 13 from left to right; the first oil outlet 15 communicates the outer edge of the first mounting hole 12 with the side surface of one large end of the left valve body insert block 2; the first oil drain storage chamber connecting port 14 is a cylindrical through hole at the small end, and the central axis of the cylindrical through hole is perpendicular to the central axis of the first oil outlet 15 and the central axis of the first mounting hole 12.
As shown in fig. 3, the valve right insert 3 is rectangular in shape, the valve right insert 3 is provided with a concentric stepped through hole (comprising a second cavity 16 and a second annular groove cavity 19) penetrating through the valve right insert 3, and the aperture of the second annular groove cavity 19 is larger than that of the second cavity 16; a second oil drain storage chamber connecting port 20, a second oil inlet 17 and a second oil drain port are also arranged on the concentric stepped through hole from left to right; the second oil drain storage chamber connecting port 20 is a cylindrical threaded through hole penetrating through the left side surface and the right side surface of the right valve body inserting block 3; the second oil inlet 17 is a threaded hole, the central axis of the second oil inlet is perpendicular to the central axis of the second annular groove cavity 19 and is positioned at one side close to the second mounting hole 18, and the outer edge of the second annular groove cavity 19 is communicated with the rear side surface of the right valve body insert block 3; the central axis of the second oil drain port 21 is perpendicular to the central axis of the second mounting hole 18 and parallel to the central axis of the second drain reservoir connection port 20, which communicates the outer edge of the second mounting hole 18 with the right side surface of the valve body right plug 3. When the valve body left plug-in block 2 is connected with the valve body right plug-in block 3, a second oil drain storage chamber connecting port 20 on the valve body right plug-in block 3 is communicated with a first oil drain storage chamber connecting port 14 on the valve body left plug-in block 2, and at the moment, a first cavity 13 of the valve body left plug-in block 2 is matched with a second cavity 16 of the valve body right plug-in block 3 to form an annular oil chamber.
As shown in fig. 4, the valve sleeve 11 is a hollow cylinder, and is further provided with a third oil outlet 22, a third oil drain notch 27, a third oil inlet notch 24 and a third oil drain port 26 in sequence from left to right; the hollow part of the inner ring of the valve sleeve 11 is a valve core matching cavity, and the diameter of the hollow part is the same as the diameter of the maximum outer edge of the valve core 10; the central axis of the third oil outlet 22 is perpendicular to the central axis of the third oil drain port 26, and the third oil outlet 22 and the third oil drain port 26 are not through holes; the third oil drain notch 27 and the third oil inlet notch 24 are both manufactured by milling, the milling directions are perpendicular to the central axis of the valve sleeve 11, the milling directions of the third oil inlet notch 24 are parallel to the central axis of the third oil drain port 26, and the milling directions of the third oil drain notch 27 are perpendicular to the central axis of the third oil drain port 26; in addition, the third oil drain port 26 communicates with the second oil drain port 21 of the valve body right plug 3, the third oil inlet notch 24 communicates with the annular oil chamber, and the third oil drain notch 27 communicates with the second drain reservoir connection port 20.
As shown in fig. 5, the working surface of the valve core 10 may be divided into five sections in the axial direction, namely, a guide section 29, a short connecting section 30, a sealing section 31, a sealing guide section 32 and a long connecting section 34 from left to right; wherein, the guiding section 29, the sealing section 31 and the sealing guiding section 32 are all cylinders with equal diameters, the lengths of the guiding section 29 and the sealing section 31 are shorter, the sealing guiding section 32 is longer, and one side of the sealing guiding section 32 close to the sealing section 31 is provided with a cross guide; the side, close to the guide section 29, of the sealing section 31 of the valve core 10 is matched with the side, close to the third oil outlet 22, of the third oil drain notch 27 of the valve sleeve 11 to form a second sealing surface, and the side, close to the third oil drain notch 27, of the valve sleeve 11, of the sealing guide section 32 of the valve core 10 is provided with a cross guide, and the side, close to the third oil inlet notch 24 of the valve sleeve 11, is matched with the side, close to the third oil drain notch 27, to form a first sealing surface; in addition, the valve core 10 is provided with an axial oil passage 28, and the central axis of the axial oil passage 28 coincides with the central axis of the valve core 10 and is a through hole; a fourth positioning pin hole 35 and a fourth oil drain hole 33 are also arranged on the axial oil duct 28 from left to right and are both positioned on the long connecting section 34, meanwhile, the central axis of the fourth positioning pin hole 35 is parallel to the central axis of the fourth oil drain hole 33, and the fourth positioning pin hole 35 is a through hole; the fourth oil drain port 33 communicates the outer edge of the axial oil passage 28 with the outer surface of the long connecting section 34 and with the third oil drain port 26 of the valve housing 11.
As shown in fig. 6, the end cap 1 may be divided into a large end and a small end, and the large end and the small end are cylinders; the end cover 1 is provided with a fifth oil drain port 36, the fifth oil drain port 36 is a threaded through hole, the central axis of the fifth oil drain port 36 coincides with the central axis of the end cover 1, the fifth oil drain port 36 is communicated with the axial oil duct 28 of the valve core 10, and the end cover 1 and the valve body left insert block 2 are positioned through a spigot.
As shown in fig. 7 to 9, the driving mechanism includes an armature 7, a suction cup type electromagnet 6, a spring 9, an electromagnet housing, and a spring cover 8; the armature 7 can be divided into a large end and a small end, the small end is a hollow cylinder, the large end is in a round table shape, the central axis of the large end is matched with the central axis of the small end, the peripheral diameter of the outer edge of the large end is required to be the same as the peripheral diameter of the electromagnet, the small end hollow part is a valve core matching cavity 40, and the peripheral diameter of the small end hollow part is the same as the peripheral diameter of the long connecting section 34 of the valve core 10; the armature 7 is provided with an axial air hole 42 and a seventh positioning pin hole 41, the axial air hole 42 is a through hole positioned at the position of the big end close to the outer edge, the central axis of the axial air hole 42 is parallel to the central axis of the big end, and the number of the axial air holes 42 is determined by requirements; the seventh detent pin hole 41 is a through hole on the small end, the center axis of which is perpendicular to the center axis of the small end, and which is fitted with the fourth detent pin hole 35 of the valve element 10.
The electromagnet shell is formed by a cuboid and a cylinder, the upper surface and the lower surface of the cuboid are square, the diameter of the outer edge of the cylinder is smaller than the length and width of the square of the upper surface and the lower surface, and the central axis of the cylinder is vertical to the upper surface and the lower surface of the cuboid and passes through the centers of the upper surface and the lower surface; starting from a cuboid end, an electromagnet mounting cavity 43 and an electromagnet positioning hole 46 are respectively arranged from left to right; the electromagnet shell is also provided with an observation groove 44, and the width and the thickness of the observation groove are the shortest distance from the outer edge of the cuboid to the outer edge of the electromagnet mounting cavity 43; the spring cover 8 is cylindrical in shape, and is provided with a valve core guide hole 39 which is matched with the long connecting section 34, and the diameter of the valve core guide hole is the same as the diameter of the outer edge of the long connecting section 34.
The electromagnet selected by the invention is of an annular sucker structure, the appearance of the electromagnet is cylindrical, and a threaded hole is arranged on the opposite round surface side of the sucker and is matched with an electromagnet positioning hole 46 on the electromagnet shell; the device of the invention also necessarily comprises a solenoid valve control device for sending a control signal for switching the oil circuit to the solenoid valve.
The spring 9 is positioned between the side, away from the sealing section 31, of the sealing guide section 32 of the valve core 10 and the spring cover 8, and an adjusting gasket is needed to be added between the spring 9 and the spring cover 8 so as to adjust the pretightening force of the spring 9; a sealing ring is arranged between the valve sleeve 11 and the valve body main body, the positions of the sealing ring are positioned between the third oil outlet 22 and the third oil drain notch 27 and between the third oil drain notch 27 and the third oil inlet notch 24, and the upper opening and the lower opening of the valve body oil drain storage chamber are sealed by bolts during working. An adjusting gasket can be added between the end cover 1 and the left insert block 2 of the valve body to adjust the sealing length of two axial sealing surfaces of the valve core 10. An adjusting gasket can be added between the magnet mounting shell and the valve body to adjust the stroke of the valve core. The end cover 1, the left valve body insert block 2, the electromagnet shell and the spring cover 8 are all provided with unthreaded through holes for connection near the outer edge side, the upper surface and the lower surface of the right valve body insert block 3 are all provided with threaded holes, and in order to ensure tightness, a sealing ring can be additionally arranged between the matching surfaces of the left valve body insert block 2 and the right valve body insert block 3.
Claims (10)
1. The multi-seal high-speed electromagnetic valve is characterized by comprising a valve body left inserting block (2) and a valve body right inserting block (3), wherein the valve body left inserting block (2) and the valve body right inserting block (3) are connected to form a valve body main body, an end cover (1) is fixed on one side of the valve body left inserting block (2), and a spring cover (8) is fixed on one side of the valve body right inserting block (3); the valve body is characterized in that a valve sleeve (11) is arranged in an inner cavity of the valve body main body, a valve core (10) is arranged in the valve sleeve (11), one side of the valve core (10) positioned on the right insertion block (3) of the valve body is connected with an armature (7), and the armature (7) is matched with the sucking disc type electromagnet (6); a spring (9) is sleeved on the valve core (10), and one end of the spring (9) is tightly attached to the spring cover (8);
wherein, the structure of valve body left plug (2) is: the valve body left insert block (2) is provided with a first cavity (13) penetrating through the valve body left insert block, and the valve body left insert block (2) is also provided with a first mounting hole (12), a first oil drainage storage chamber connecting port (14) and a first oil outlet (15); the first oil outlet (15) is communicated with the first cavity (13) and the outer surface of the left valve body inserting block (2), and the first oil drainage storage chamber connecting port (14) is positioned and penetrates through the cylindrical expenditure section;
the right plug block (3) of the valve body has the structure that: the main body of the valve body right plug block (3) is in a cuboid shape, and the valve body right plug block is provided with a second cavity (16), a second annular groove cavity (19), a second oil inlet (17), a second oil drain storage chamber connecting port (20), a second oil drain port (21) and a second mounting hole (18); the second cavity (16) and the second annular groove cavity (19) jointly form a cavity penetrating through the right plug block (3) of the valve body, and the aperture of the second annular groove cavity (19) is larger than that of the second cavity (16); the second oil drain storage chamber connecting port (20) is a through hole penetrating through the right valve body inserting block (3), the second oil inlet (17) is communicated with the second annular cavity (19) and the outer surface of the right valve body inserting block (3), and the second oil drain port (21) is communicated with the second cavity (16) and the outer surface of the right valve body inserting block (3);
the valve sleeve (11) has the structure that: the main body of the valve sleeve (11) is a hollow cylinder, a third cavity (25) axially penetrates through the valve sleeve, and a third oil outlet (22), a third oil drain notch (27), a third oil inlet notch (24) and a third oil drain port (26) are sequentially distributed on the valve sleeve (11);
the valve core (10) has the structure that: the valve core (10) is sequentially provided with a guide section (29), a short connecting section (30), a sealing section (31), a sealing guide section (32) and a long connecting section (34), and is provided with an axial oil duct (28) which axially penetrates through the valve core; the guide section (29), the sealing section (31) and the sealing guide section (32) are all cylinders with equal diameters, the sealing guide section (32) is provided with a cross guide near the sealing section (31), and the long connecting section (34) is provided with a fourth oil drain port (33) and a fourth positioning pin hole (35); the fourth oil drain port (33) is communicated with the axial oil duct (28) and the outer surface of the long connecting section (34);
one side of the armature (7) is a round table which is matched with the sucking disc type electromagnet (6), the other side of the armature is a hollow cylinder, the side of the armature is provided with a valve core matching cavity (40), and the valve core matching cavity (40) is used for connecting a long connecting section (34) of the valve core (10); a seventh positioning pin hole (41) on the hollow cylinder at one side of the armature (7) is communicated with a fourth positioning pin hole (35) on the valve core (10);
when the valve body left plug block (2) is connected with the valve body right plug block (3), a second oil drain storage chamber connecting port (20) on the valve body right plug block (3) is communicated with a first oil drain storage chamber connecting port (14) on the valve body left plug block (2), and at the moment, a first cavity (13) of the valve body left plug block (2) is matched with a second cavity (16) of the valve body right plug block (3) to form an annular oil chamber; the third oil drain port (26) on the valve sleeve (11) is communicated with the second oil drain port (21) of the right valve body insert block (3), the third oil inlet notch (24) on the valve sleeve (11) is communicated with the annular oil chamber, and the third oil drain notch (27) of the valve sleeve (11) is communicated with the first oil drain storage chamber connecting port (14) of the left valve body insert block (2);
the side, close to the guide section (29), of the sealing section (31) of the valve core (10) is matched with the side, close to the third oil outlet (22), of the third oil drain notch (27) of the valve sleeve (11) to form a second sealing surface, and the sealing guide section (32) of the valve core (10) is provided with a cross guide side, and is matched with the side, close to the third oil drain notch (27), of the third oil inlet notch (24) of the valve sleeve (11) to form a first sealing surface; the fourth oil drain port (33) of the valve core (10) is communicated with the third oil drain port (26) of the valve sleeve (11).
2. A multi-seal high-speed solenoid valve according to claim 1 wherein said left valve body insert (2) and right valve body insert (3) are positioned by a spigot.
3. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that the second oil inlet (17) of the valve body right insert block (3) is a threaded hole, the central axis of the second oil inlet is perpendicular to the central axis of the second ring groove cavity (19) and is close to one side of the second mounting hole (18).
4. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that the central axis of the second oil drain port (21) of the valve body right plug (3) is perpendicular to the central axis of the second mounting hole (18) and parallel to the central axis of the second oil drain reservoir connection port (20).
5. A multiple sealing high-speed electromagnetic valve according to claim 1, characterized in that two sealing ring grooves (23) are further arranged on the valve sleeve (11), the two sealing ring grooves (23) are positioned on two sides of the third oil drain notch (27), and a sealing ring is arranged between the valve sleeve (11) and the valve body main body, and the sealing ring is arranged in the sealing ring groove (23).
6. A multiple-seal high-speed solenoid valve according to claim 1, characterised in that on the valve housing (11), the central axis of said third oil outlet (22) is mutually perpendicular to the central axis of said third oil drain (26).
7. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that a fifth oil drain port (36) is arranged on the end cover (1), and the fifth oil drain port (36) is a threaded through hole, and the central axis of the fifth oil drain port is coincident with the central axis of the end cover (1); the fifth oil drain port (36) is communicated with an axial oil duct (28) of the valve core (10), and the end cover (1) and the left valve body inserting block (2) are positioned through a spigot.
8. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that the armature (7) and the sucker type electromagnet (6) are arranged in an electromagnet housing, and the electromagnet housing comprises an electromagnet housing connecting section (4) connected with the right plug block (3) of the valve body and an electromagnet housing main body section (5) at the rear end; the electromagnet housing main body section (5) has an observation groove (44), an electromagnet mounting cavity (45), and an electromagnet positioning hole (46).
9. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that a gasket is arranged between the spring (9) and the spring cover (8) for adjusting the pre-tightening force of the spring (9).
10. A multi-seal high-speed electromagnetic valve according to claim 1, characterized in that a gasket is added between the end cover (1) and the left insert block (2) of the valve body, and is used for adjusting the sealing length of two axial sealing surfaces of the valve core (10).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229705.3A CN109826995B (en) | 2019-03-25 | 2019-03-25 | Multiple sealed high-speed electromagnetic valve |
| KR1020217033736A KR102388299B1 (en) | 2019-03-25 | 2020-02-29 | Multi Sealing High Speed Solenoid Valve |
| PCT/CN2020/077330 WO2020192361A1 (en) | 2019-03-25 | 2020-02-29 | Multi-sealing high-speed solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229705.3A CN109826995B (en) | 2019-03-25 | 2019-03-25 | Multiple sealed high-speed electromagnetic valve |
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| Publication Number | Publication Date |
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| CN109826995A CN109826995A (en) | 2019-05-31 |
| CN109826995B true CN109826995B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910229705.3A Active CN109826995B (en) | 2019-03-25 | 2019-03-25 | Multiple sealed high-speed electromagnetic valve |
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| Country | Link |
|---|---|
| KR (1) | KR102388299B1 (en) |
| CN (1) | CN109826995B (en) |
| WO (1) | WO2020192361A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826995B (en) * | 2019-03-25 | 2023-12-29 | 西华大学 | Multiple sealed high-speed electromagnetic valve |
| CN112917090B (en) * | 2021-01-25 | 2022-09-23 | 南京金陵石化建筑安装工程有限公司 | Heat exchanger shell flange sealing surface corrosion repairing device |
| CN113653828A (en) * | 2021-08-30 | 2021-11-16 | 深圳市速牌科技有限公司 | Solenoid valve and method of assembling the same |
| CN113833453B (en) * | 2021-09-26 | 2023-09-01 | 牡丹江天庆石油机械设备有限公司 | Test wellhead control device |
| CN114704561B (en) * | 2022-04-27 | 2024-01-26 | 上海辛金路流体技术有限公司 | Synchronous clutch for power head of drilling machine |
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2020
- 2020-02-29 WO PCT/CN2020/077330 patent/WO2020192361A1/en active Application Filing
- 2020-02-29 KR KR1020217033736A patent/KR102388299B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020192361A1 (en) | 2020-10-01 |
| KR20210141620A (en) | 2021-11-23 |
| KR102388299B1 (en) | 2022-04-18 |
| CN109826995A (en) | 2019-05-31 |
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