Electromagnetic proportional pressure reducing valve

Abstract

The utility model discloses an electromagnetic proportional pressure reducing valve which comprises a coil shell, a flux sleeve is installed in the coil shell in an inserted mode, a valve sleeve is installed at the end, located on the outer side of the coil shell, of the flux sleeve in a buckled mode, and a valve element is installed in the valve sleeve in an inserted mode. The pressure reducing valve is characterized in that a magnetic conductive sleeve is arranged in the valve sleeve, one end, far away from the valve sleeve, of the magnetic conductive sleeve is connected with the inner wall of the coil shell in a buckled mode, a push rod is connected to one end of the magnetic conductive sleeve in an inserted mode, and moving iron matched with the push rod is arranged in the magnetic conductive sleeve. And then the modules are quickly buckled and assembled together in a buckling and pressing manner, so that the pressure reducing valve is not limited by space, the sight of a user is not hindered, the assembly efficiency of the pressure reducing valve is improved, the assembly time is saved, and convenience is provided for working and using of the user.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic pressure reducing valve, especially an electromagnetic proportional pressure reducing valve. BACKGROUND

[0002] The electromagnetic pressure reducing valve is an important industrial control element, is widely used in petroleum, chemical industry, metallurgy, electric power, pharmacy and other industries, can effectively guarantee the stability and safety of production, and the traditional electromagnetic pressure reducing valve is a whole structure, and an opening is arranged at both ends of the whole structure for installing components, but the valve body structure design makes the depth of the inner cavity of the valve shell too deep, the components in the deep place are limited by space, and the user's line of sight is also affected, so that the related components of the pressure reducing valve are greatly hindered during installation, so that the assembly of the electromagnetic pressure reducing valve is greatly affected, and the assembly efficiency of the pressure reducing valve is reduced.

[0003] In view of the above problems, the utility model improves. SUMMARY

[0004] The utility model discloses an electromagnetic proportional pressure reducing valve, solves the above -mentioned problem existing in the use process in the prior art.

[0005] The technical scheme of the utility model is as follows: an electromagnetic proportional pressure reducing valve, including the coil shell, the inside plug-in installation of coil shell is equipped with the magnetic conducting sleeve, the magnetic conducting sleeve is located at the one end of coil shell outside buckling installation has the valve sleeve, the inside plug-in installation of valve sleeve is equipped with the valve core, the one end of magnetic conducting sleeve is away from valve sleeve and is buckled together with the inner wall of coil shell, the one end of magnetic conducting sleeve is inserted and is equipped with the push rod, the inside of magnetic conducting sleeve is equipped with the moving iron that is adapted to the push rod, the one end of valve core cavity is inserted and is equipped with the cylinder pin that is adapted to the push rod, the one end of valve sleeve cavity is embedded and is installed with the spring seat, the one side fixed connection of spring seat is equipped with the spring in the inside of valve sleeve, the one end fixed connection of spring is away from spring seat on the valve core, the inside of valve core is equipped with the throttling throat plug, the one end of valve sleeve surface is equipped with the O ring three, the O ring three is tightly attached to the inner wall of magnetic conducting sleeve.

[0006] The utility model as described above is used for the electromagnetic proportional pressure reducing valve, further: the one side of spring seat surface is equipped with the elastic baffle ring for hole, the elastic baffle ring for hole is tightly attached to the inner wall of valve sleeve, the one side of spring seat surface is equipped with the O ring seven, and the O ring seven is tightly attached to the inner wall of valve sleeve.

[0007] The utility model as described above is used for the electromagnetic proportional pressure reducing valve, further: the surface of valve sleeve is equipped with the O ring six, and the one side of valve sleeve surface is equipped with the O ring five.

[0008] The utility model discloses a valve sleeve surface one side sleeve joint has the filter screen, one end of the coil shell sleeve joint has O ring four.

[0009] The utility model discloses a valve sleeve surface one end sleeve has O ring one, and O ring one is tightly attached on the inner wall of the coil shell, and one end of the magnetic conducting sleeve is fixedly installed with the plug outside the coil shell.

[0010] The utility model discloses a valve sleeve inner chamber one side inserts the magnetic isolation block of adapting with the moving iron, and the surface of the magnetic isolation block is provided with O ring two, and O ring two is tightly attached on the inner wall of the magnetic conducting sleeve.

[0011] The utility model discloses a valve sleeve inner chamber one side fixedly installs the copper gasket outside the push rod, and the inner chamber of the magnetic conducting sleeve inserts the high temperature resistant coating cloth of adapting with the moving iron, and the surface of the magnetic conducting sleeve is connected with the DC coil.

[0012] Summarized above, the beneficial effects of the utility model lie in:

[0013] 1, the utility model discloses the structure design of module mutual buckling connection, when assembling pressure reducing valve, the component is assembled into the corresponding module respectively, then again the module is buckled and connected and assembled together in the mode of buckling, neither will be restricted by space, also will not cause the obstruction of user's vision, improve the assembly efficiency of pressure reducing valve, save the assembly time, provide the convenient for the work of user's use.

[0014] 2, the utility model discloses the setting of elastic check ring for hole, O ring seven, O ring seven is used to seal the gap between spring seat and valve sleeve inner wall, guarantees the leakproofness when pressure reducing valve works, and elastic check ring for hole is connected on the spring seat, and the spring seat is also clamped in the valve sleeve through elastic check ring for hole, guarantees the stability after the installation of spring seat.

[0015] 3, the utility model discloses the setting of O ring five and O ring six, when installing pressure reducing valve, the valve sleeve is inserted into the equipment interior, and O ring six and O ring five are used to seal the gap between valve sleeve and equipment inner wall, so as to guarantee the leakproofness of equipment, guarantee the normal work of pressure reducing valve and equipment, provide the convenient for the work of user's use.

[0016] 4. The utility model discloses a filter screen and O ring four's setting, O ring four is the sleeve joint on the magnetic conductive sleeve, when pressure reducing valve installs to the equipment, a part of magnetic conductive sleeve will insert into the equipment, and O ring four can seal the gap between pressure reducing valve and equipment, improve the leakproofness of pressure reducing valve installation, guarantee pressure reducing valve normal work, and the filter screen is used to filter the impurity in liquid medium, avoids the impurity accumulation and enters into pressure reducing valve and causes the damage, thereby guaranteeing pressure reducing valve normal work, prolonging the service life of pressure reducing valve.

[0017] 5. The utility model discloses a O ring one, plug's setting, O ring one setting is between the inner wall of magnetic conductive sleeve and coil shell, is used to block the gap between magnetic conductive sleeve and coil shell inner wall, and the plug is used for connecting the wire, guarantees that pressure reducing valve can normally carry out signal receiving and transmission work, provides the convenient for the work use of user, also is used for the power supply of pressure reducing valve.

[0018] 6. The utility model discloses a magnetic block and O ring two's setting, the magnetic block is used for playing the role of magnetic separation when pressure reducing valve works, reduces the influence of external magnetic force to pressure reducing valve work, guarantees the normal operation of pressure reducing valve, and O ring two is used for sealing the gap between magnetic block and magnetic conductive sleeve, improves the leakproofness of pressure reducing valve.

[0019] 7. The utility model discloses a copper gasket, high temperature resistant coating cloth and DC coil's setting, copper gasket is the pad between the movable iron and the inner wall of magnetic conductive sleeve, is used for playing the role of buffer protection when movable iron activity works, reduces the damage of movable iron and the inner wall of magnetic conductive sleeve collision, prolongs the service life of pressure reducing valve, and high temperature resistant coating cloth is used for being arranged between the inner wall of magnetic conductive sleeve and movable iron, is used for improving the high temperature resistant performance of movable iron, and then improves the high temperature resistant performance of pressure reducing valve, and DC coil is used to deliver the electric current, guarantees the fluency of pressure reducing valve in receiving and output signal work, guarantees pressure reducing valve normal work, provides the convenient for the work use of user. ACCURACY

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0021] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0022] Fig. 2 It is the three-dimensional structure assembly schematic diagram of O ring five;

[0023] Fig. 3It is a schematic cross-sectional view of the planar structure of the present invention.

[0024] In the figure: 1. Spring seat, 2. Elastic circlip for hole, 3. Spring, 4. Throttle plug, 5. Valve sleeve, 6. Filter screen, 7. Cylindrical pin, 8. Magnetic sleeve, 9. Push rod, 10. Copper gasket, 11. High-temperature resistant coated cloth, 12. Moving iron, 13. DC coil, 14. Coil housing, 15. Magnetic isolation block, 16. O-ring one, 17. O-ring two, 18. O-ring three, 19. O-ring four, 20. O-ring five, 21. O-ring six, 22. O-ring seven, 23. Valve core. DETAILED DESCRIPTION

[0025] The following is a combination of the appended examples of the present invention Figs. 1-3 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention. Example

[0026] An electromagnetic proportional pressure reducing valve, comprising a coil housing 14, wherein a magnetic sleeve 8 is plugged and installed inside the coil housing 14, and a valve sleeve 5 is buckled and installed at one end of the magnetic sleeve 8 located on the outside of the coil housing 14, and a valve core 23 is plugged and installed inside the valve sleeve 5, and the end of the magnetic sleeve 8 away from the valve sleeve 5 is buckled together with the inner wall of the coil housing 14, and a push rod 9 is plugged at one end of the magnetic sleeve 8, and a moving iron 12 adapted to the push rod 9 is provided inside the magnetic sleeve 8, and a cylindrical pin 7 adapted to the push rod 9 is plugged at one end of the inner cavity of the valve core 23, and a spring seat 1 is embedded in one end of the inner cavity of the valve sleeve 5, and one side of the spring seat 1 is fixedly connected to a spring 3 located inside the valve sleeve 5, and the end of the spring 3 away from the spring seat 1 is fixedly connected to the valve core 23, and a throttling throat plug 4 is provided inside the valve core 23, and one end of the surface of the valve sleeve 5 is sleeved with an O-ring three 18, and the O-ring three 18 is tightly attached to the inner wall of the magnetic sleeve 8.

[0027] The specific use process is as follows: the electromagnetic pressure reducing valve is driven by electromagnetic force, and the flow of the medium is controlled. When the pressure reducing valve is working, the power supply is turned on to energize the pressure reducing valve, then the pressure reducing valve generates electromagnetic force, which will then push the moving iron 12, the moving iron 12 will attract the cylindrical pin 7, change the relative position between the throttle throat plug 4 and the control valve, thereby controlling the on-off state of the medium, achieving the purpose of controlling the flow. It should be noted that the coil shell 14 and the components installed inside it constitute module one, the valve sleeve 5 and the components installed inside it constitute module two. When assembling the pressure reducing valve, the components inside the valve sleeve 5 are installed in order according to the specification, then placed aside for use, the components inside the coil shell 14 are installed in order according to the specification, then the module two is picked up and aligned with the module one, that is, the valve sleeve 5 is aligned with the magnetic guide sleeve 8 and then inserted with force. Before this, the O-ring three 18 is sleeved on the end of the valve sleeve 5. During the process of inserting the valve sleeve 5 into the magnetic guide sleeve 8, the end of the valve sleeve 5 will first extrude the corresponding end of the magnetic guide sleeve 8 to deform until the end of the magnetic guide sleeve 8 is completely inserted into the magnetic guide sleeve 8. The deformed flange returns to its original state and is then clamped in the annular groove on the valve sleeve 5. Through the elastic contraction pressure of the end of the magnetic guide sleeve 8, the valve sleeve 5 is firmly clamped on the magnetic guide sleeve 8. In this way, module one and module two are firmly assembled together, and part of the end of the valve sleeve 5 is also inserted into the magnetic guide sleeve 8. In this way, the part of the valve sleeve 5 in contact with the magnetic guide sleeve 8 is increased, the connection tightness of the valve sleeve 5 and the magnetic guide sleeve 8 is increased, the connection tightness and firmness of module one and module two are improved, the stability of the pressure reducing valve in use is improved, and convenience is provided for the user's work. Therefore, the structure design of the module is adopted. When assembling the pressure reducing valve, the corresponding components are assembled into the corresponding modules, and then the modules are quickly buckled and assembled together in the buckling mode. Neither the space is limited, nor the user's line of sight is hindered, the assembly efficiency of the pressure reducing valve is improved, the assembly time is saved, and convenience is provided for the user's work. Moreover, three holes are provided on the surface of the valve sleeve 5, between the filter screen 6, the O-ring six 21 and the O-ring five 20, and the outside of the O-ring six 21, respectively, for the fluid medium to flow through. The three holes are all matched with the valve core 23, and the filter screen 6 is also provided on one of the holes. The O-ring seven 22 is used to seal the gap between the spring seat 1 and the inner wall of the valve sleeve 5 to ensure the sealing performance of the pressure reducing valve during work. The hole elastic retainer 2 is sleeved on the spring seat 1, and the spring seat 1 is clamped in the valve sleeve 5 through the hole elastic retainer 2 to ensure the stability of the spring seat 1 after installation. When the pressure reducing valve is installed, the valve sleeve 5 is inserted into the equipment, and the O-ring six 21 and the O-ring five 20 are used to seal the gap between the valve sleeve 5 and the inner wall of the equipment to ensure the sealing performance of the equipment and the normal work of the pressure reducing valve and the equipment, thereby providing convenience for the user's work. The O-ring four 19 is sleeved on the magnetic guide sleeve 8. When the pressure reducing valve is installed on the equipment,The magnetic sleeve 8 is inserted into the device, so that the O-ring 4 19 can seal the gap between the pressure reducing valve and the device, improve the sealing of the pressure reducing valve installation, ensure the normal work of the pressure reducing valve, the filter screen 6 is used to filter the impurities in the liquid medium, avoid the impurities to accumulate into the pressure reducing valve to cause damage, so as to ensure the normal work of the pressure reducing valve, prolong the service life of the pressure reducing valve, the O-ring 1 6 is arranged between the inner wall of the magnetic sleeve 8 and the coil shell 14, which is used to block the gap between the inner wall of the magnetic sleeve 8 and the coil shell 14, the plug is used to connect the wire, which ensures that the pressure reducing valve can normally receive and transmit signals, provides convenience for the user's work, and also supplies power for the pressure reducing valve, the magnetic block 15 is used to play a magnetic shielding role when the pressure reducing valve works, reduces the influence of external magnetic force on the work of the pressure reducing valve, ensures the normal operation of the pressure reducing valve, the O-ring 2 17 is used to seal the gap between the magnetic block 15 and the magnetic sleeve 8, improves the sealing of the pressure reducing valve, the copper gasket 10 is arranged between the moving iron 12 and the inner wall of the magnetic sleeve 8, which is used to play a buffering protection role when the moving iron 12 works, reduces the damage caused by the collision between the moving iron 12 and the inner wall of the magnetic sleeve 8, prolongs the service life of the pressure reducing valve, the high-temperature-resistant coating cloth 11 is arranged between the inner wall of the magnetic sleeve 8 and the moving iron 12, which is used to improve the high-temperature-resistant performance of the moving iron 12, and further improve the high-temperature-resistant performance of the pressure reducing valve, the DC coil 13 is used to deliver current, which ensures the smoothness of the pressure reducing valve in receiving and outputting signals, ensures the normal work of the pressure reducing valve, and provides convenience for the user's work.

[0028] The surface of the spring seat 1 is sleeved with a hole elastic retainer 2, and the hole elastic retainer 2 is tightly attached to the inner wall of the valve sleeve 5. The surface of the spring seat 1 is sleeved with an O-ring 7 22, and the O-ring 7 22 is tightly attached to the inner wall of the valve sleeve 5.

[0029] Specifically, the hole elastic retainer 2 and the O-ring 7 22 are arranged, the O-ring 7 22 is used to seal the gap between the spring seat 1 and the inner wall of the valve sleeve 5, and the sealing performance of the pressure reducing valve during work is ensured. The hole elastic retainer 2 is sleeved on the spring seat 1, and the spring seat 1 is clamped in the valve sleeve 5 through the hole elastic retainer 2, so that the stability of the spring seat 1 after installation is ensured.

[0030] The surface of the valve sleeve 5 is sleeved with an O-ring 6 21, and the surface of the valve sleeve 5 is sleeved with an O-ring 5 20.

[0031] Specifically, the O-ring 5 20 and the O-ring 6 21 are arranged, when the pressure reducing valve is installed, the valve sleeve 5 is inserted into the device, and the O-ring 6 21 and the O-ring 5 20 are used to seal the gap between the valve sleeve 5 and the inner wall of the device, so as to ensure the sealing performance of the device and the normal work of the pressure reducing valve and the device, and provide convenience for the user's work.

[0032] The filter screen 6 is sleeved on one side of the surface of the valve sleeve 5, and the O-shaped ring four 19 is sleeved on one end of the coil shell 14.

[0033] Specifically, the filter screen 6 and the O-shaped ring four 19 are arranged, the O-shaped ring four 19 is sleeved on the magnetic conducting sleeve 8, when the pressure reducing valve is installed on the equipment, a part of the magnetic conducting sleeve 8 is inserted into the equipment, so that the O-shaped ring four 19 can seal the gap between the pressure reducing valve and the equipment, improve the sealing performance of the pressure reducing valve, ensure the normal work of the pressure reducing valve, the filter screen 6 is used to filter impurities in the liquid medium, avoid the impurities from accumulating in the pressure reducing valve and causing damage, thereby ensuring the normal work of the pressure reducing valve and prolonging the service life of the pressure reducing valve.

[0034] One end of the surface of the magnetic conducting sleeve 8 is sleeved with the O-shaped ring one 16, the O-shaped ring one 16 is tightly attached to the inner wall of the coil shell 14, and one end of the magnetic conducting sleeve 8 is fixedly installed with the plug located outside the coil shell 14.

[0035] Specifically, the O-shaped ring one 16 and the plug are arranged, the O-shaped ring one 16 is arranged between the magnetic conducting sleeve 8 and the inner wall of the coil shell 14, and is used to block the gap between the magnetic conducting sleeve 8 and the inner wall of the coil shell 14, the plug is used to connect the wire, ensures that the pressure reducing valve can normally receive and transmit signals, provides convenience for the work and use of the user, and is also used to power the pressure reducing valve.

[0036] The magnetic shielding block 15 matched with the moving iron 12 is inserted on one side of the inner cavity of the magnetic conducting sleeve 8, the surface of the magnetic shielding block 15 is sleeved with the O-shaped ring two 17, and the O-shaped ring two 17 is tightly attached to the inner wall of the magnetic conducting sleeve 8.

[0037] Specifically, the magnetic shielding block 15 and the O-shaped ring two 17 are arranged, the magnetic shielding block 15 is used to shield the magnetic field when the pressure reducing valve works, reduces the influence of external magnetic force on the work of the pressure reducing valve, and ensures the normal operation of the pressure reducing valve, and the O-shaped ring two 17 is used to seal the gap between the magnetic shielding block 15 and the magnetic conducting sleeve 8, and improve the sealing performance of the pressure reducing valve.

[0038] The copper gasket 10 located outside the push rod 9 is fixedly installed on one side of the inner cavity of the magnetic conducting sleeve 8, the high-temperature-resistant coating cloth 11 matched with the moving iron 12 is inserted into the inner cavity of the magnetic conducting sleeve 8, and the DC coil 13 is sleeved on the surface of the magnetic conducting sleeve 8.

[0039] Specifically, the copper gasket 10, the high-temperature-resistant coating cloth 11 and the DC coil 13 are arranged, the copper gasket 10 is arranged between the moving iron 12 and the inner wall of the magnetic conducting sleeve 8, and is used for buffering and protecting when the moving iron 12 works, reducing damage caused by collision between the moving iron 12 and the inner wall of the magnetic conducting sleeve 8, prolonging the service life of the pressure reducing valve, the high-temperature-resistant coating cloth 11 is arranged between the inner wall of the magnetic conducting sleeve 8 and the moving iron 12, and is used for improving the high-temperature-resistant performance of the moving iron 12, thereby improving the high-temperature-resistant performance of the pressure reducing valve, the DC coil 13 is used for transmitting current, ensuring the smoothness of the pressure reducing valve in receiving and outputting signals, and ensuring normal work of the pressure reducing valve, thereby providing convenience for users in work and use.

[0040] It should be noted that the functions of the hardware in the utility model have been supported by a large number of mature technologies, and belong to the prior art; the essence of the utility model is to optimize and combine the existing hardware and its connection mode for specific application occasions to meet the adaptation requirements in specific application occasions and solve the problems in the background art (without involving the improvement of the internal software of the hardware).

[0041] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electromagnetic proportional pressure-reducing valve comprising a coil housing (14), characterized by: The inside of the coil shell (14) is inserted and mounted with a magnetic conducting sleeve (8), one end of the magnetic conducting sleeve (8) outside the coil shell (14) is buckled and mounted with a valve sleeve (5), the inside of the valve sleeve (5) is inserted and mounted with a valve core (23), the end of the magnetic conducting sleeve (8) away from the valve sleeve (5) is buckled together with the inner wall of the coil shell (14), one end of the magnetic conducting sleeve (8) is inserted with a push rod (9), the inside of the magnetic conducting sleeve (8) is provided with a moving iron (12) matched with the push rod (9), one end of the inner cavity of the valve core (23) is inserted with a cylindrical pin (7) matched with the push rod (9), one end of the inner cavity of the valve sleeve (5) is embeddedly mounted with a spring seat (1), one side of the spring seat (1) is fixedly connected with a spring (3) located in the inside of the valve sleeve (5), the end of the spring (3) away from the spring seat (1) is fixedly connected on the valve core (23), the inside of the valve core (23) is provided with a throttling plug (4), one end of the surface of the valve sleeve (5) is sleeved with an O-shaped ring three (18), the O-shaped ring three (18) is tightly attached to the inner wall of the magnetic conducting sleeve (8).

2. The electromagnetic proportional pressure-reducing valve according to claim 1, characterized by: One side of the surface of the spring seat (1) is sleeved with a hole elastic check ring (2), the hole elastic check ring (2) is tightly attached to the inner wall of the valve sleeve (5), one side of the surface of the spring seat (1) is sleeved with an O-shaped ring seven (22), the O-shaped ring seven (22) is tightly attached to the inner wall of the valve sleeve (5).

3. The electromagnetic proportional pressure-reducing valve according to claim 2, characterized by: The surface of the valve sleeve (5) is sleeved with an O-shaped ring six (21), one side of the surface of the valve sleeve (5) is sleeved with an O-shaped ring five (20).

4. The electromagnetic proportional pressure-reducing valve according to claim 3, characterized by: One side of the surface of the valve sleeve (5) is sleeved with a filter screen (6), one end of the coil shell (14) is sleeved with an O-shaped ring four (19).

5. An electromagnetic proportional pressure-reducing valve according to claim 4, characterized in that: One end of the surface of the magnetic conducting sleeve (8) is sleeved with an O-shaped ring one (16), the O-shaped ring one (16) is tightly attached to the inner wall of the coil shell (14), one end of the magnetic conducting sleeve (8) is fixedly mounted with a plug located outside the coil shell (14).

6. An electromagnetic proportional pressure-reducing valve according to claim 5, characterized in that: One side of the inner cavity of the magnetic conducting sleeve (8) is inserted with a magnetic shielding block (15) matched with the moving iron (12), the surface of the magnetic shielding block (15) is sleeved with an O-shaped ring two (17), the O-shaped ring two (17) is tightly attached to the inner wall of the magnetic conducting sleeve (8).

7. An electromagnetic proportional pressure-reducing valve according to claim 6, characterized in that: One side of the inner cavity of the magnetic conducting sleeve (8) is fixedly mounted with a copper gasket (10) located outside the push rod (9), the inner cavity of the magnetic conducting sleeve (8) is inserted with a high-temperature-resistant coating cloth (11) matched with the moving iron (12), the surface of the magnetic conducting sleeve (8) is sleeved with a DC coil (13).

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