Electromagnetic reversing valve with sealing structure

Abstract

The utility model discloses an electromagnetic reversing valve with a sealing structure, which belongs to the field of electromagnetic reversing valves and comprises a reversing valve shell, radiating mechanisms are arranged on two sides of the surface of the reversing valve shell, a reversing valve component is mounted in the reversing valve shell, and a sealing structure is mounted in the reversing valve component. The heat dissipation mechanism comprises two through grooves formed in the two sides of the surface of the reversing valve shell correspondingly, and the two sides of the surface of the reversing valve shell are fixedly connected with annular heat dissipation plates corresponding to the through grooves through bolts. Through cooperative use of the devices, in the using process of the electromagnetic reversing valve, cooling liquid in the annular heat dissipation plate absorbs heat on the surface of the iron core through the through grooves, heat generated by sliding friction of the armature is absorbed through the arrangement of a heat conduction rod and the arc-shaped heat dissipation plate, and therefore in the using process of the iron core and the armature, the heat generated by sliding friction of the armature is reduced. The temperature fluctuation is small, and the situation that the armature is overheated to generate thermal expansion, consequently, the friction force of the armature is increased, and reversing and resetting time of the valve element is prolonged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic reversing valve, concretely is a kind of electromagnetic reversing valve with sealing structure. BACKGROUND

[0002] Electromagnetic reversing valve is mainly composed of valve body, valve core and electromagnet, when electromagnet is electrified, the electromagnetic force generated attracts valve core to move to specified position, changes fluid passage state, realizes fluid direction control, such as three-position four-way electromagnetic reversing valve, valve core is in mid-position at normal time, two ends each have electromagnet and centering spring, which end electromagnet is electrified, valve core is pushed to which end, so that reversing valve works at corresponding position, according to the number of working position and the number of passageway, there are two-position three-way, two-position four-way, three-position four-way etc., according to reset and positioning form, it can be divided into spring reset type, steel ball positioning type, no reset spring type.

[0003] According to the electromagnetic reversing valve assembly (publication number: CN221880394U) disclosed by the search, it comprises a valve body, the valve body and two electromagnets, electromagnets are fixedly installed on the two sides of the valve body, the side surface of the two electromagnets is fixedly installed with a wiring seat, the inside of the two annular heat dissipation blocks is sleeved with a connecting block, and the annular heat dissipation block is fixedly provided with a clamping mechanism between the two annular heat dissipation blocks and the electromagnet, and the inside annular cavity of the annular heat dissipation block. The electromagnetic reversing valve assembly of the utility model embeds annular heat dissipation block on the surface of electromagnet, fills cooling water in the inside annular cavity of annular heat dissipation block and cooperates with connecting block, effectively improves the heat dissipation efficiency of electromagnet and improves the stability of electromagnetic reversing valve operation.

[0004] Although the above-mentioned patent improves the heat dissipation efficiency of electromagnet and the stability of electromagnetic reversing valve operation by the cooperation of cooling water filled in the inside annular cavity of annular heat dissipation block and connecting block through the arrangement of annular heat dissipation block structure, but when the electromagnetic reversing valve is used, and the armature inside slides, the temperature of the armature may be increased due to the temperature rise of electromagnet, so that the temperature of the armature is increased, so that the armature is expanded, the gap between the armature and other components is reduced, the friction of the armature is increased, so that the reversing and reset time of valve core is increased, and the response speed and stability of electromagnetic reversing valve are reduced.

[0005] Therefore, the utility model provides a kind of electromagnetic reversing valve with sealing structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] (One) technical problem solved

[0007] The utility model provides a kind of electromagnetic reversing valve with sealing structure, aims at solving the problems proposed in the background art.

[0008] (Two) technical scheme

[0009] In order to achieve the above object, the utility model provides following technical scheme: a kind of electromagnetic reversing valve with sealing structure, including reversing valve shell, the both sides of the surface of reversing valve shell are equipped with heat dissipation mechanism, reversing valve assembly is installed in the inside of reversing valve shell;

[0010] The heat dissipation mechanism includes two through slots respectively opened in the both sides of the surface of reversing valve shell, the both sides of the surface of reversing valve shell are fixedly connected with annular heat dissipation plate corresponding to through slot by bolt, the surface of annular heat dissipation plate is fixedly connected with heat conduction rod in annular array, the one end of a plurality of heat conduction rods is fixedly connected with arc heat dissipation plate, one side of the arc heat dissipation plate is slidably connected with armature, the surface of armature is fixedly connected with heat dissipation rod in annular array, the one end of a plurality of heat dissipation rods is fixedly connected with core, the core, heat dissipation rod and armature are arranged in the inside of reversing valve shell, and the armature is slidably connected with reversing valve shell.

[0011] As a preferred technical scheme of the application, the core and the arc heat dissipation plate are attached through the through slot, the armature is slidably connected to the surface of the plurality of heat dissipation rods, the heat conduction rod is inserted into the inside of the annular heat dissipation plate, the surface of the annular heat dissipation plate is fixedly connected with the water inlet pipe, and the inside of the annular heat dissipation plate is provided with the cooling liquid.

[0012] As a preferred technical scheme of the application, the reversing valve assembly includes a push rod fixedly connected to the surfaces of the armature and the core, the push rod is slidably connected to the inside of the reversing valve shell, and the surface of the push rod is fixedly connected with two corresponding valve cores.

[0013] As a preferred technical scheme of the application, the reversing valve assembly further includes a sealing sleeve fixedly connected to the surface of the valve core, the valve core is slidably connected to the inside of the reversing valve shell through the push rod and the sealing sleeve, the sealing sleeve is attached to the reversing valve shell, and the valve core and the sealing sleeve are spherical.

[0014] As a preferred technical scheme of the application, one side of the armature is fixedly connected with a return spring, one end of the return spring is fixedly connected with the reversing valve shell, the return spring is sleeved on the surface of the push rod, a plurality of coils are fixedly connected in rectangular array in the inside of the reversing valve shell, and the coils correspond to the core.

[0015] As a preferred technical scheme of the application, the heat conduction rod is fixedly connected with the reversing valve shell, two movable grooves are formed in the inside of the reversing valve shell, the armature is slidably connected to the inside of the movable groove, and a sealing ring is arranged at the connection between the push rod and the movable groove.

[0016] (Three) beneficial effects

[0017] Through the cooperation of the heat dissipation mechanism and the sealing sleeve and other structures, in the use process of the electromagnetic reversing valve, the cooling liquid in the annular heat dissipation plate absorbs heat through the through groove on the surface of the iron core, and the heat generated by the sliding friction of the armature is absorbed through the setting of the heat conduction rod and the arc-shaped heat dissipation plate, so that the temperature fluctuation of the iron core and the armature is small in the use process, and the armature is prevented from overheating and expanding, so as to cause the armature friction to increase, the valve core reversing and resetting time to increase, and the response speed and stability of the electromagnetic reversing valve to be improved.

[0018] Through the cooperation of the sealing sleeve and the sealing ring, the fluid cannot leak through the gap between the components in the use process of the electromagnetic reversing valve, which affects the use of the electromagnetic reversing valve, so that the electromagnetic reversing valve has a sealing effect, and the electromagnetic reversing valve is more stable in use, and through the setting of the heat dissipation rod, the armature connected to the heat dissipation rod can be further cooled, so that the cooling efficiency of the armature and the iron core is higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure diagram of an electromagnetic reversing valve with a sealing structure;

[0020] Figure 2 It is a structure diagram of a cross section of an electromagnetic reversing valve with a sealing structure;

[0021] Figure 3 It is a structure diagram of a heat dissipation mechanism in an electromagnetic reversing valve with a sealing structure;

[0022] Figure 4 It is a structure diagram of a reversing valve shell, an annular heat dissipation plate and a through groove in an electromagnetic reversing valve with a sealing structure.

[0023] In the drawings:

[0024] 1, reversing valve shell; 2, through groove; 3, annular heat dissipation plate; 4, heat conduction rod; 5, arc-shaped heat dissipation plate; 6, armature; 7, heat dissipation rod; 8, iron core; 9, push rod; 10, valve core; 11, sealing sleeve; 12, return spring; 13, coil; 14, movable groove. DETAILED DESCRIPTION

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides an electromagnetic reversing valve with a sealing structure, such as Figures 1-4 As shown, the electromagnetic directional valve with a sealing structure includes a directional valve housing 1. A directional valve assembly is installed inside the directional valve housing 1. The directional valve assembly includes a push rod 9 that is fixedly connected to the surfaces of the armature 6 and the iron core 8. The push rod 9 is slidably connected to the inside of the directional valve housing 1. Two corresponding valve cores 10 are fixedly connected to the surface of the push rod 9. The directional valve assembly also includes a sealing sleeve 11 that is fixedly connected to the surface of the valve core 10. The valve core 10 is slidably connected to the inside of the directional valve housing 1 through the push rod 9 and the sealing sleeve 11. The sealing sleeve 11 fits against the directional valve housing 1.

[0027] Both the valve core 10 and the sealing sleeve 11 are spherical. Heat dissipation mechanisms are provided on both sides of the surface of the reversing valve housing 1. By setting the sealing sleeve 11 and the valve core 10 in a spherical shape, the friction is reduced when the sealing sleeve 11 and the valve core 10 slide inside the reversing valve housing 1, which further reduces the reversing and reset time of the valve core 10.

[0028] The heat dissipation mechanism includes two through slots 2 respectively opened on both sides of the surface of the reversing valve housing 1. Both sides of the surface of the reversing valve housing 1 are fixedly connected with annular heat dissipation plates 3 corresponding to the through slots 2 by bolts. A water inlet pipe is fixedly connected to the surface of the annular heat dissipation plate 3. The water inlet pipe facilitates the addition of coolant to the annular heat dissipation plate 3. The annular heat dissipation plate 3 is filled with coolant. During the use of the electromagnetic reversing valve, the heat of the iron core 8 is absorbed by the coolant inside the annular heat dissipation plate 3.

[0029] The surface of the annular heat sink 3 is fixedly connected with heat-conducting rods 4 in an annular array. The heat-conducting rods 4 are fixedly connected to the reversing valve housing 1 and inserted into the interior of the annular heat sink 3. One end of several heat-conducting rods 4 is fixedly connected to an arc-shaped heat sink 5. An armature 6 is slidably connected to one side of the arc-shaped heat sink 5. Two movable grooves 14 are opened inside the reversing valve housing 1. The armature 6 is slidably connected inside the movable grooves 14. A sealing ring is provided at the connection between the push rod 9 and the movable groove 14. Through the cooperation between the sealing ring and the sealing sleeve 11, the fluid cannot leak through the gap between the components during the use of the electromagnetic reversing valve, thus affecting the use of the electromagnetic reversing valve and giving the electromagnetic reversing valve a sealing effect.

[0030] One side of the armature 6 is fixedly connected with a return spring 12, one end of the return spring 12 is fixedly connected with the reversing valve shell 1, through the setting of the heat conduction rod 4, when the armature 6 slides on the surface of the arc-shaped heat sink plate 5, the arc-shaped heat sink plate 5 absorbs the temperature on the surface of the armature 6, and transmits the temperature through the heat conduction rod 4, further improving the heat dissipation efficiency of the armature 6;

[0031] The return spring 12 is sleeved on the surface of the push rod 9, the surface of the armature 6 is fixedly connected with the heat dissipation rods 7 in an annular array, through the setting of the heat dissipation rods 7, the heat dissipation rods 7 absorb the temperature of the armature 6, so that the heat dissipation rods 7 transmit heat to the iron core 8, so that the temperature of the iron core 8 and the armature 6 remains within a certain range during use, avoiding the temperature of the armature 6 being too high to cause thermal expansion of the armature 6, thereby reducing the friction between the armature 6 and the valve core 10 during sliding, reducing the reversing and resetting time of the valve core 10, and improving the response speed and stability of the electromagnetic reversing valve;

[0032] The armature 6 is slidably connected to the surfaces of the plurality of heat dissipation rods 7, one end of the plurality of heat dissipation rods 7 is fixedly connected with the iron core 8, the inside of the reversing valve shell 1 is fixedly connected with the coil 13 in a rectangular array, the coil 13 corresponds to the iron core 8, the iron core 8 is attached to the arc-shaped heat sink plate 5 through the through slot 2, the iron core 8, the heat dissipation rods 7 and the armature 6 are all arranged inside the reversing valve shell 1, and the armature 6 is slidably connected to the reversing valve shell 1.

[0033] Specifically, the electromagnetic reversing valve with a sealing structure in use: during use of the electromagnetic reversing valve, the cooling liquid inside the annular heat sink plate 3 absorbs the heat of the iron core 8, through the setting of the heat dissipation rods 7, the heat dissipation rods 7 absorb the temperature of the armature 6, so that the heat dissipation rods 7 transmit heat to the iron core 8, so that the temperature of the iron core 8 and the armature 6 remains within a certain range during use, avoiding the temperature of the armature 6 being too high to cause thermal expansion of the armature 6, thereby reducing the friction between the armature 6 and the valve core 10 during sliding, reducing the reversing and resetting time of the valve core 10, and improving the response speed and stability of the electromagnetic reversing valve, and at the same time through the setting of the heat conduction rod 4, when the armature 6 slides on the surface of the arc-shaped heat sink plate 5, the arc-shaped heat sink plate 5 absorbs the temperature on the surface of the armature 6, and transmits the temperature through the heat conduction rod 4, further improving the heat dissipation efficiency of the armature 6, through the setting of the sealing sleeve 11 and the spherical valve core 10, the friction between the sealing sleeve 11 and the valve core 10 is reduced when they slide inside the reversing valve shell 1, further reducing the reversing and resetting time of the valve core 10.

[0034] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An electromagnetic commutating valve having a sealed structure, comprising a commutating valve housing (1), characterized in that: Both sides of the surface of the reversing valve shell (1) are provided with heat dissipation mechanisms, and the reversing valve shell (1) is internally provided with a reversing valve assembly; The heat dissipation mechanism comprises two through grooves (2) respectively formed in the surfaces of the reversing valve shell (1), the surfaces of the reversing valve shell (1) are fixedly connected with annular heat dissipation plates (3) corresponding to the through grooves (2) through bolts, the surfaces of the annular heat dissipation plates (3) are fixedly connected with heat conduction rods (4) in an annular array, one end of the heat conduction rods (4) is fixedly connected with an arc-shaped heat dissipation plate (5), one side of the arc-shaped heat dissipation plate (5) is slidably connected with an armature (6), the surface of the armature (6) is fixedly connected with heat dissipation rods (7) in an annular array, one end of the heat dissipation rods (7) is fixedly connected with an iron core (8), the iron core (8), the heat dissipation rods (7) and the armature (6) are arranged in the reversing valve shell (1), and the armature (6) is slidably connected with the reversing valve shell (1).

2. The electromagnetic commutating valve having a sealed structure according to claim 1, characterized in that: The iron core (8) is attached to the arc-shaped heat dissipation plate (5) through the through groove (2), the armature (6) is slidably connected with the surfaces of the heat dissipation rods (7), the heat conduction rods (4) are inserted into the annular heat dissipation plates (3), the surfaces of the annular heat dissipation plates (3) are fixedly connected with water inlet pipes, and the interiors of the annular heat dissipation plates (3) are provided with cooling liquids.

3. The electromagnetic commutation valve having a sealed structure according to claim 1, characterized in that: The reversing valve assembly comprises a push rod (9) fixedly connected with the surfaces of the armature (6) and the iron core (8), the push rod (9) is slidably connected with the interior of the reversing valve shell (1), and the surface of the push rod (9) is fixedly connected with two corresponding valve spools (10).

4. The electromagnetic commutation valve having a sealed structure according to claim 3, characterized in that: The reversing valve assembly further comprises a sealing sleeve (11) fixedly connected with the surface of the valve spool (10), the valve spool (10) and the sealing sleeve (11) are slidably connected with the interior of the reversing valve shell (1) through the push rod (9), the sealing sleeve (11) is attached to the reversing valve shell (1), and the valve spool (10) and the sealing sleeve (11) are spherical.

5. The electromagnetic commutation valve having a seal structure according to claim 3, characterized by: One side of the armature (6) is fixedly connected with a return spring (12), one end of the return spring (12) is fixedly connected with the reversing valve shell (1), the return spring (12) is sleeved on the surface of the push rod (9), the interior of the reversing valve shell (1) is fixedly connected with coils (13) in a rectangular array, and the coils (13) correspond to the iron core (8).

6. The electromagnetic commutation valve having a sealed structure according to claim 3, characterized in that: The heat conduction rods (4) are fixedly connected with the reversing valve shell (1), two movable grooves (14) are formed in the interior of the reversing valve shell (1), the armature (6) is slidably connected with the interiors of the movable grooves (14), and the push rod (9) is provided with a sealing ring at the connection with the movable grooves (14).

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