Electromagnetic valve with high damping performance

Abstract

The utility model discloses a high shock absorption electromagnetic valve which comprises a shell and a coil bin arranged on the inner wall of the shell, a coil is fixedly arranged in the coil bin, a front magnetic pole is fixedly arranged in the shell and located on one side of the coil bin, an armature capable of moving relative to the front magnetic pole is arranged on one side of the front magnetic pole, and a sliding rod is fixedly arranged on the armature. The sliding rod penetrates through the front magnetic pole and is fixedly connected with the sealing plug; a valve seat is fixedly arranged on the shell, a port A and a port B are formed in the valve seat, and the port A and the port B can be separated by the sealing plug; an elastic shock absorber is further arranged at the end, away from the armature, of the sealing plug, and the shock absorber can abut against a protruding block on the valve seat and deform. The utility model has the main beneficial effects that the design is exquisite, the layout is reasonable, the arrangement of the shock absorber can play the roles of shock absorption and sealing, the violent collision between the sealing plug and the valve seat is avoided, the generation of noise is avoided, and the service life is prolonged at the same time. Meanwhile, the sealing structure is exquisite, the sealing effect can be improved without increasing too much cost, and the sealing structure has wide applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to solenoid valve technical field, specifically, especially, a kind of high shock attenuation solenoid valve. BACKGROUND

[0002] Solenoid valve is the industrial equipment of electromagnetic control, is used to control fluid's automation basic element, belongs to actuator, not limited to hydraulic, pneumatic, used in industrial control system to adjust medium's direction, flow, speed and other parameters, while in the field of automobile, electric control shock absorber solenoid valve is applied more and more widely, but the damping adjustment interval of most solenoid valves is narrow, and the damping effect is poor, and due to the complex structure of damping control component, not only high cost, oil circuit is complex, so that its response speed is slow and precision is low.

[0003] As granted publication No. CN116181838A discloses a suspension system damping adjustable solenoid valve, including a damping valve assembly, a valve assembly and an internal oil circuit arranged in the housing, the damping valve assembly includes a damping valve system in communication with the internal oil circuit, the valve assembly includes a valve body and a valve sleeve sleeved on the valve body, the valve body has an oil passing hole in communication with the internal oil circuit, the oil passing hole is adjustable in oil passing cross-sectional area to adjust damping force, the valve sleeve has a groove, the side wall of the valve body is in contact with the inner wall of the groove, and the inner wall of the groove can shield the oil passing hole. However, the structure of the solenoid valve is complex, the layout is unreasonable, the oil passing hole cannot be accurately blocked in time, there is a risk of leakage, and it has great limitations, which is not conducive to mass production. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a high shock attenuation solenoid valve.

[0005] The utility model discloses a high shock attenuation solenoid valve, which comprises a shell and a coil bin arranged on the inner wall of the shell.

[0006] A high shock attenuation solenoid valve, comprising a shell and a coil bin arranged on the inner wall of the shell, wherein the coil bin is fixedly provided with a coil, the shell is fixedly provided with a front magnetic pole, the front magnetic pole is located on one side of the coil bin, one side of the front magnetic pole is provided with a movable armature, the armature is fixedly provided with a sliding rod, and the sliding rod is fixedly connected with a sealing plug penetrating through the front magnetic pole.

[0007] Preferably, a fixing ring is fixedly arranged on the outer circumferential surface of the sealing plug, the shock absorber is sleeved on the sealing plug, and the side surface of the shock absorber is always in abutment with the fixing ring.

[0008] Preferably, a clamping groove is formed on the side surface of the fixing ring away from the damper, and a clamping hoop is clamped in the clamping groove, and the other end of the clamping hoop is clamped on the end surface of the damper.

[0009] Preferably, an outer convex ring is further formed on the end surface of the fixing ring close to the valve seat, the cross section of the outer convex ring and the cross section of the damper form an obtuse angle, and the protruding block abuts at the joint of the outer convex ring and the damper.

[0010] Preferably, a containing groove is formed in the sealing plug, and a return spring is arranged in the containing groove, and the other end of the return spring abuts against the valve seat.

[0011] Preferably, an elastic block is further arranged in the containing groove, and the elastic block is located in the return spring and abuts against the sealing plug and the valve seat at two ends respectively.

[0012] Preferably, an elastic pad is further arranged at the end of the armature away from the front magnetic pole.

[0013] The beneficial effects of the utility model mainly reflect in:

[0014] 1. The design is exquisite, the layout is reasonable, the damper is arranged to play a damping and sealing role, to avoid the sealing plug from colliding with the valve seat violently, to avoid the generation of noise, and at the same time, to prolong the service life. At the same time, the sealing structure is exquisite, the sealing effect can be increased without increasing too much cost, and the utility model has wide applicability.

[0015] 2. The fixing ring is arranged to position the damper, and the damper is positioned and assembled through the clamping hoop, so that the operation is simple and convenient, and the damper is convenient to disassemble, replace and maintain, the working efficiency is greatly improved, and in addition, the structure is more compact, the layout is reasonable, and the occupied space is reduced.

[0016] 3. The outer convex ring is arranged to be close to the side surface of the protruding block, the contact area between the damper and the valve seat is increased, and the sealing effect is further improved.

[0017] 4. The elastic block and the elastic pad are arranged to reduce the noise generated in the instant of power-off and power-on of the electromagnetic valve. DRAWINGS

[0018] The technical scheme of the utility model will be further described below in combination with the drawings:

[0019] Figure 1 : The sectional view of the preferred embodiment of the utility model. DETAILED DESCRIPTION

[0020] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments are not limited to the utility model, and the changes made by ordinary skilled persons in the art in structure, method, or function based on these embodiments are all included in the protection scope of the utility model.

[0021] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments are not limited to the utility model, and the changes made by ordinary skilled persons in the art in structure, method, or function based on these embodiments are all included in the protection scope of the utility model.

[0022] As Figure 1 The utility model discloses a kind of high shock-absorbing solenoid valves, including shell 1 and the coil bin 2 being set on its inner wall, the coil bin 2 is fixed with coil 21, in this embodiment, the role of the coil 21 is to generate magnetic field, when current passes through the coil 21, the electron in the coil will form electron flow, to generate a magnetic field.

[0023] The shell 1 is fixed with front magnetic pole 3, the front magnetic pole 3 is located in one side of the coil bin 2, one side of the front magnetic pole 3 is equipped with movable armature 4, the armature 4 is fixed with slide rod 5, the slide rod 5 is fixed with sealing plug 6 through front magnetic pole 3;The shell 1 is fixed with a valve seat 7, A mouth 71 and B mouth 72 are set on the valve seat 7, the sealing plug 6 can cut off A mouth 71 and B mouth 72;The end of the sealing plug 6 away from the armature 4 is also equipped with elastic shock absorber 8, the shock absorber 8 can be in contact with the convex block 79 on the valve seat 7, and deformation occurs. The above design is ingenious, and the setting of shock absorber can reduce the shock effect, avoid the violent collision between sealing plug and valve seat, avoid the generation of noise, and at the same time, prolong service life.

[0024] In addition, in the preferred embodiment, the outer circumferential surface of the sealing plug 6 is fixed with a fixing ring 61, the shock absorber 8 is sleeved on the sealing plug 6, and the side surface thereof is always in contact with the fixing ring 61, and the setting of the fixing ring 61 can position the shock absorber. The side surface of the fixing ring 61 away from the shock absorber 8 is provided with a clamping groove 62, a clamping groove 62 is provided with a clamping groove 62, and the other end of the clamping hoop 63 is clamped on the end surface of the shock absorber 8. The shock absorber is positioned and assembled by clamping hoop 63, which is simple and convenient to operate, and is convenient to disassemble, replace and maintain, greatly improves work efficiency, and at the same time, makes the structure more compact, is convenient for reasonable layout, and reduces the occupied space.

[0025] The fixed ring 61 is provided with an outer convex ring 64 integrally formed on the end face close to the valve seat 7, the included angle between the cross section of the outer convex ring 64 and the cross section of the damper 8 is obtuse, and the convex block 79 abuts at the joint of the outer convex ring 64 and the damper 8. The outer convex ring is in close contact with the side surface of the convex block 79, which increases the contact area between the damper and the valve seat 7, and further improves the sealing effect. In addition, the sealing structure is exquisite, and the sealing effect can be improved without increasing too much cost, which has wide applicability.

[0026] The sealing plug 6 is provided with a containing groove 65, the containing groove 65 is provided with a reset spring 66, and the other end of the reset spring 66 abuts against the valve seat 7. Further, the containing groove 65 is further provided with an elastic block 67, the elastic block 67 is located in the reset spring 66, and the two ends of the elastic block 67 abut against the sealing plug 6 and the valve seat 7 respectively. The elastic block 67 is a silica gel foaming part in a cylindrical shape, which can reduce the noise generated in the instant of energizing the electromagnetic valve. The armature 4 is further provided with an elastic pad 41 away from the front magnetic pole 3, and the elastic pad 41 can reduce the noise generated in the instant of de-energizing the electromagnetic valve.

[0027] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0028] The above series of detailed descriptions are only specific descriptions of the feasible embodiments of the utility model, and they are not used to limit the protection scope of the utility model, and equivalent embodiments or changes made without departing from the spirit of the utility model art should be included in the protection scope of the utility model.

Claims

1. A high-damping electromagnetic valve, comprising a shell (1) and a coil bin (2) arranged on the inner wall of the shell (1), and a coil (21) fixed in the coil bin (2), characterized in that: The shell (1) is provided with a front magnetic pole (3) fixed therein, the front magnetic pole (3) is located on one side of the coil bin (2), one side of the front magnetic pole (3) is provided with a armature (4) movable relative thereto, the armature (4) is fixed with a slide rod (5), the slide rod (5) penetrates the front magnetic pole (3) and is fixed with a sealing plug (6); the shell (1) is fixed with a valve seat (7), the valve seat (7) is provided with an A port (71) and a B port (72), the sealing plug (6) can cut off the A port (71) and the B port (72); the sealing plug (6) is further provided with an elastic shock absorber (8) away from the armature (4), the shock absorber (8) can abut against the convex block (79) on the valve seat (7) and be deformed.

2. The high damping solenoid valve according to claim 1, characterized by: The outer circumferential surface of the sealing plug (6) is fixed with a fixing ring (61), the shock absorber (8) is sleeved on the sealing plug (6), and the side surface thereof always abuts against the fixing ring (61).

3. The high damping solenoid valve of claim 2, wherein: The side surface of the fixing ring (61) away from the shock absorber (8) is provided with a clamping groove (62), a clamping hoop (63) is clamped in the clamping groove (62), and the other end of the clamping hoop (63) is clamped on the end surface of the shock absorber (8).

4. The high damping solenoid valve of claim 2, wherein: The end surface of the fixing ring (61) close to the valve seat (7) is further provided with an outer convex ring (64) integrally formed with the fixing ring (61), the included angle between the cross section of the outer convex ring (64) and the cross section of the shock absorber (8) is obtuse, and the convex block (79) abuts against the junction of the outer convex ring (64) and the shock absorber (8).

5. The high damping solenoid valve of claim 1, wherein: The sealing plug (6) is provided with a containing groove (65) therein, the containing groove (65) is provided with a reset spring (66) therein, and the other end of the reset spring (66) abuts against the valve seat (7).

6. The high damping solenoid valve of claim 5, wherein: The containing groove (65) is further provided with an elastic block (67), the elastic block (67) is located in the reset spring (66) and abuts against the sealing plug (6) and the valve seat (7) at two ends thereof.

7. The high damping solenoid valve of claim 6, wherein: The end of the armature (4) away from the front magnetic pole (3) is further fixed with an elastic pad (41).

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