Anti-loosening electromagnetic valve static iron core

By designing multiple locking methods on the static iron core of the solenoid valve, the combination of locking cover, fixing ring, bevel block, spring, positioning column and driving ring, the problem of loosening of the static iron core in a vibrating environment is solved, ensuring the normal use and stability of the solenoid valve.

CN223049536UActive Publication Date: 2025-07-01NINGBO HUAQI MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422134058.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-07-01
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The existing solenoid valve static iron core is prone to loosening due to loosening of the lock nut in a vibrating environment, affecting the normal use of the solenoid valve.

Method used

By designing multiple locking methods to limit the static iron core, including a combination of locking cover, fixing ring, bevel block, spring, positioning column and drive ring, to ensure that the static iron core does not loosen in a vibrating environment.

Benefits of technology

It effectively avoids loose and displaced by the static iron core due to vibration, ensuring the normal use and stability of the solenoid valve.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223049536U_ABST
    Figure CN223049536U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-loosening electromagnetic valve static iron core, which relates to the technical field of electromagnetic valves and comprises a valve body and a static iron core penetrating through the valve body, a circular groove is arranged in the middle of one side of the valve body, a locking cover is detachably mounted on the outer side of one end of the static iron core, and a fixing ring is formed at one end of the outer side of the locking cover. A plurality of evenly-distributed slope blocks are arranged in the fixing ring, springs and positioning columns are fixedly arranged on the two sides of the slope blocks respectively, a plurality of positioning holes corresponding to the positioning columns are formed in the side wall of the circular groove, a driving ring is further arranged on the outer side of the locking cover, and a bolt is arranged on one side of the driving ring. According to the utility model, the static iron core is limited in a multi-locking manner, so that the influence on the use effect of the electromagnetic valve due to loosening and displacement caused by vibration is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of solenoid valves, in particular to a static iron core of a solenoid valve that prevents loosening. Background Art

[0002] The static iron core and the moving iron core are components that generate electromagnetic attraction inside the solenoid valve. By energizing the external coil through the static iron core and the moving iron core, magnetic force amplification is achieved, and then the opening and closing of the solenoid valve are realized. The static iron core is fixed and immovable, and the moving iron core will attract with the static iron core along with the magnetic force. When the power is off, the magnetic force disappears, and the moving iron core is reset to its original position by the return spring.

[0003] In the existing solenoid valve static iron core, one end passes through the valve body and is fixed, while the other end is fixed by a locking nut. When working in a vibrating environment for a long time, the locking nut will loosen and shift, resulting in the loosening of the static iron core and affecting the normal use of the solenoid valve.

[0004] In view of the above problems, the utility model provides a static iron core of a solenoid valve that prevents loosening. Content of the Utility Model

[0005] The purpose of the utility model is to provide a static iron core of a solenoid valve that prevents loosening, which limits the static iron core through multiple locking methods to avoid loosening and shifting due to vibration and affecting the use effect of the solenoid valve, thereby solving the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A static iron core of a solenoid valve that prevents loosening, including a valve body and a static iron core passing through its interior. A circular groove is opened in the middle of one side of the valve body. One end of the static iron core is detachably installed with a locking cover. A fixing ring is formed and processed at one end of the outer side of the locking cover. A number of uniformly distributed inclined blocks are arranged inside the fixing ring. Springs and positioning columns are respectively fixed on both sides of the inclined block. A number of positioning holes corresponding to the positioning columns are opened on the side wall of the circular groove. A driving ring is also arranged on the outer side of the locking cover, and a bolt is arranged on one side of the driving ring.

[0007] Further, the locking cover is threadedly connected to the outer side of one end of the static iron core, and a handle is fixedly connected to the outer side of the locking cover away from the fixing ring.

[0008] Further, a number of uniformly distributed rectangular grooves are opened inside the fixing ring. Fixing rods are fixedly connected to the inner side walls of the rectangular grooves. The inclined block is slidably connected to the outer side of the fixing rod, and the inclined block is slidably connected to the inner surface of the rectangular groove. The spring is fixedly connected between the inclined block and the inner side wall of the rectangular groove and is wrapped on the outer side of the fixing rod.

[0009] Further, the middle part of the driving ring is threadedly connected to the outer side of the locking cover. The driving ring is in contact connection with the inclined surface of the inclined block, and a number of inclined plates are fixedly connected to the outer side of the driving ring.

[0010] Further, a threaded hole is provided on the outer side of the locking cover, and the bolt is threadedly connected to the inner side of the threaded hole.

[0011] Further, when the fixing ring contacts the inner side surface of the circular groove, the positioning posts are aligned with the positioning holes.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] A solenoid valve static iron core with anti-loosening provided by the present utility model first passes one end of the static iron core through the inside of the valve body, and then manually rotates and tightens the locking cover on the outer side of one end of the static iron core, and the fixing ring contacts the inner side surface of the circular groove. Then manually rotate the driving ring. The driving ring rotates and moves linearly to squeeze the inclined surfaces of a plurality of inclined blocks. The inclined blocks move away synchronously under the extrusion, driving the positioning posts to move away synchronously and insert into the positioning holes. At this time, the spring is stretched, and then the bolt is tightened on one side of the driving ring. The purpose of such a design is to limit the static iron core through multiple locking methods to avoid loosening and displacement caused by vibration and affect the use effect of the solenoid valve. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the external structure of the locking cover in the present utility model;

[0016] Figure 3 is a schematic diagram of the position of the threaded hole in the present utility model;

[0017] Figure 4 For the present utility model Figure 2 is an enlarged view of part A.

[0018] In the figure: 1. Valve body; 2. Static iron core; 3. Circular groove; 4. Locking cover; 5. Fixing ring; 6. Rectangular groove; 7. Fixed rod; 8. Inclined block; 9. Spring; 10. Positioning post; 11. Positioning hole; 12. Driving ring; 13. Inclined plate; 14. Threaded hole; 15. Bolt; 16. Handle. Specific Embodiments

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] To solve the technical problem of how to effectively prevent loosening, as Figures 1-4 shown, the following preferred technical solutions are provided:

[0021] An anti-loosening static iron core of a solenoid valve, comprising a valve body 1 and a static iron core 2 passing through its interior. A circular groove 3 is provided in the middle of one side of the valve body 1. A locking cover 4 is detachably installed on the outer side of one end of the static iron core 2. A fixing ring 5 is formed and processed on the outer side of one end of the locking cover 4. A plurality of uniformly distributed inclined blocks 8 are arranged inside the fixing ring 5. Springs 9 and positioning columns 10 are respectively fixed on both sides of the inclined block 8. A plurality of positioning holes 11 corresponding to the positioning columns 10 are provided on the side wall of the circular groove 3. A driving ring 12 is further provided on the outer side of the locking cover 4, and a bolt 15 is provided on one side of the driving ring 12.

[0022] Specifically, first pass one end of the static iron core 2 through the interior of the valve body 1, then manually rotate and tighten the locking cover 4 on the outer side of one end of the static iron core 2, and the fixing ring 5 contacts the inner side surface of the circular groove 3. Then manually rotate the driving ring 12. The driving ring 12 rotates and moves linearly to squeeze the inclined surfaces of a plurality of inclined blocks 8. The inclined blocks 8 move away from each other synchronously under the extrusion, driving the positioning columns 10 to move away from each other synchronously and insert into the positioning holes 11. At this time, the spring 9 is stretched. Then tighten the bolt 15 on one side of the driving ring 12. The purpose of this design is to limit the static iron core 2 through multiple locking methods to avoid loosening and displacement caused by vibration and affect the use effect of the solenoid valve.

[0023] Further, as Figure 4 shown, the following preferred technical solutions are provided:

[0024] The locking cover 4 is threadedly connected to the outer side of one end of the static iron core 2. A handle 16 is fixedly connected to the outer side of the locking cover 4 away from the fixing ring 5. The purpose of this design is to initially lock and position the static iron core 2 through the locking cover 4.

[0025] Further, as Figures 1-4 shown, the following preferred technical solutions are provided:

[0026] A plurality of uniformly distributed rectangular grooves 6 are provided inside the fixing ring 5. Fixed rods 7 are fixedly connected to the inner side walls of the rectangular grooves 6. The inside of the inclined block 8 is slidably connected to the outer side of the fixed rod 7. The inclined block 8 is slidably connected to the inner surface of the rectangular groove 6. The spring 9 is fixedly connected between the inclined block 8 and the inner side wall of the rectangular groove 6 and is wrapped outside the fixed rod 7. The purpose of this design is to ensure that the inclined block 8 drives the positioning column 10 to move towards or away from each other synchronously under force.

[0027] Further, as Figure 4 shown, the following preferred technical solutions are provided:

[0028] The middle part of the driving ring 12 is threadedly connected to the outer side of the locking cover 4. The driving ring 12 is in contact connection with the inclined surface of the inclined surface block 8. A plurality of inclined plates 13 are fixedly connected to the outer side of the driving ring 12. The purpose of this design is to drive the driving ring 12 to drive the inclined surface block 8 to move synchronously through the rotation of the inclined plate 13.

[0029] Furthermore, as Figure 4 shown, the following preferred technical solutions are provided:

[0030] A threaded hole 14 is provided on the outer side of the locking cover 4. The bolt 15 is threadedly connected to the inner side of the threaded hole 14. The purpose of this design is to limit the driving ring 12 through the bolt 15 to prevent displacement due to vibration.

[0031] Furthermore, as Figures 1-4 shown, the following preferred technical solutions are provided:

[0032] When the fixed ring 5 contacts the inner side surface of the circular groove 3, the positioning column 10 is aligned with the positioning hole 11. The purpose of this design is to ensure the rationality of the structure.

[0033] In summary: First, one end of the static iron core 2 is passed through the inside of the valve body 1, and then the locking cover 4 is manually rotated and tightened on the outer side of one end of the static iron core 2, and the fixed ring 5 contacts the inner side surface of the circular groove 3. Then, the driving ring 12 is manually rotated. The driving ring 12 rotates and moves linearly and squeezes the inclined surfaces of a plurality of inclined surface blocks 8. The inclined surface blocks 8 move away from each other synchronously under the extrusion, driving the positioning column 10 to move away from each other synchronously and insert into the positioning hole 11. At this time, the spring 9 is stretched. Then, the bolt 15 is tightened on one side of the driving ring 12. The purpose of this design is to limit the static iron core 2 through multiple locking methods to prevent loosening and displacement due to vibration, which affects the use effect of the solenoid valve.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solenoid valve static iron core for preventing loosening, comprising a valve body (1) and a static iron core (2) penetrating the valve body, characterized in that: A circular groove (3) is provided in the middle of one side of the valve body (1); a locking cover (4) is detachably mounted on the outer side of one end of the static iron core (2); a fixing ring (5) is formed on the outer end of the locking cover (4); a plurality of evenly distributed inclined blocks (8) are arranged inside the fixing ring (5); springs (9) and positioning columns (10) are respectively fixed on both sides of the inclined blocks (8); a plurality of positioning holes (11) corresponding to the positioning columns (10) are provided on the side wall of the circular groove (3); a driving ring (12) is also provided on the outer side of the locking cover (4); a bolt (15) is provided on one side of the driving ring (12).

2. The anti-loosening static iron core of a solenoid valve according to claim 1, characterized in that: The locking cover (4) is threadedly connected to the outer side of one end of the static iron core (2), and a handle (16) is fixedly connected to the outer side of the locking cover (4) away from the fixing ring (5).

3. The anti-loosening static iron core of a solenoid valve according to claim 1, characterized in that: The fixing ring (5) is provided with a plurality of evenly distributed rectangular grooves (6), the inner wall of the rectangular groove (6) is fixedly connected with a fixing rod (7), the inside of the inclined surface block (8) is slidably connected to the outer side of the fixing rod (7), the inclined surface block (8) is slidably connected to the inner surface of the rectangular groove (6), and the spring (9) is fixedly connected between the inclined surface block (8) and the inner wall of the rectangular groove (6), and is covered on the outer side of the fixing rod (7).

4. The anti-loosening static iron core of a solenoid valve according to claim 1, characterized in that: The middle part of the driving ring (12) is threadedly connected to the outer side of the locking cover (4), the driving ring (12) is in contact with the inclined surface of the inclined surface block (8), and a plurality of inclined plates (13) are fixedly connected to the outer side of the driving ring (12).

5. The anti-loosening static iron core of a solenoid valve according to claim 1, characterized in that: The locking cover (4) is provided with a threaded hole (14) on the outside, and a bolt (15) is threadedly connected to the inside of the threaded hole (14).

6. The anti-loosening static iron core of a solenoid valve according to claim 1, characterized in that: When the fixing ring (5) contacts the inner side surface of the circular groove (3), the positioning column (10) is aligned with the positioning hole (11).