Electromagnetic valve core
By optimizing the structural design of the solenoid valve core and using steps and contraction parts to fix the rubber plug, the problems of complex processing and cumbersome assembly are solved, production efficiency and magnetic force are improved, and voltage requirements are reduced.
Patent Information
- Application Number
- CN202422460527.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The design and processing of existing solenoid valve cores are complex and the assembly is tedious, which affects the consistency of mass production and service life.
The structural design includes a core body, a first rubber plug, a second rubber plug and a return spring. The rubber plug is fixed by specific steps and contraction parts, which simplifies the processing process and improves the magnetic force.
It achieves safe and efficient processing, reduces copper gaskets, improves production efficiency, increases magnetic force, and reduces pull-in and release voltages.
Smart Images
Figure CN223434838U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an electromagnetic valve core. BACKGROUND
[0002] The electromagnetic valve structure, often the core is the most core component of product, also is the influence product service life. The consistency of the mass production of the core is also the key attention, and the existing core design processing is complex, and assembly is more cumbersome. UTILITY MODEL CONTENTS
[0003] The utility model discloses a kind of electromagnetic valve cores to solve the shortcomings in prior art.
[0004] To achieve the above object, the utility model adopts the following technical scheme: an electromagnetic valve core, including core body, first rubber plug, second rubber plug and reset spring, first rubber plug mounting cavity is equipped on the upper end of core body, first step is equipped on the inner wall of first rubber plug mounting cavity upwards and downwards, first rubber plug is convex, first rubber plug is embedded in first rubber plug mounting cavity, and is fixed by first step;Second rubber plug mounting cavity is equipped on the lower end of core body, spring mounting cavity is equipped on the upper end of second rubber plug mounting cavity, reset spring is arranged in spring mounting cavity, second rubber plug is arranged in second rubber plug mounting cavity, one end of reset spring is abutted on the upper bottom surface of spring mounting cavity, and the other end of reset spring is abutted on the upper end surface of second rubber plug.
[0005] Further, the upper end of first rubber plug protrudes from the upper end surface of core body.
[0006] Further, second step surface is equipped on the inner wall of second rubber plug mounting cavity downwards and downwards, and second rubber plug is mushroom-shaped and embedded in second rubber plug mounting cavity.
[0007] Further, the center line of spring mounting cavity and second rubber plug mounting cavity is coincident.
[0008] Further, spring mounting cavity is smaller than second rubber plug mounting cavity, and second rubber plug limiting structure is formed on the upper end of second rubber plug mounting cavity.
[0009] Further, the length of the upper end section of second step surface, where second rubber plug mounting cavity is located, is longer than the length of mushroom cap of second rubber plug, and the length of the lower end section of second step surface, where second rubber plug mounting cavity is located, is longer than the length of mushroom handle of second rubber plug.
[0010] Further, the upper end of mushroom cap of second rubber plug is provided with second inwardly retracting part for facilitating embedding.
[0011] Further, the lower end of first rubber plug is provided with first inwardly retracting part for facilitating embedding.
[0012] The beneficial effects of the utility model are as follows: the core of the patent is pressed in by a small cylinder, which is safer and more efficient than the punch press operation; the copper gasket is reduced and the production efficiency is improved; the magnetic force is significantly increased, and the pull-in voltage and the release voltage are both reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Fig. 1 This is a cross-sectional view of this patent.
[0014] Fig. 2 This is a cross-sectional view of the existing product. DETAILED DESCRIPTION
[0015] The following is a combination of the appended examples of the present invention Figs. 1-2 , the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0016] Reference Figs. 1-2 A solenoid valve core comprises a core body 1, a first rubber plug 2, a second rubber plug 3 and a return spring 4. A first rubber plug mounting cavity 5 is provided at the upper end of the core body, and a first step 6 which shrinks upward is provided on the inner wall of the first rubber plug mounting cavity. The first rubber plug is convex in shape, and the first rubber plug is embedded in the first rubber plug mounting cavity and fixed by the first step; a second rubber plug mounting cavity 7 is provided at the lower end of the core body, and a spring mounting cavity is provided at the upper end of the second rubber plug mounting cavity. A return spring 4 is provided in the spring mounting cavity 9, and a second rubber plug 3 is provided in the second rubber plug mounting cavity. One end of the return spring 4 is against the upper bottom surface of the spring mounting cavity, and the other end of the return spring is against the upper end surface of the second rubber plug.
[0017] A solenoid valve core, wherein the upper end of a first rubber plug protrudes from the upper end surface of the core body.
[0018] A solenoid valve core is provided with a second step surface 8 which shrinks downward on the inner wall of a second rubber plug installation cavity, and the second rubber plug is mushroom-shaped and embedded in the second rubber plug installation cavity.
[0019] A solenoid valve core, wherein the center lines of a spring installation cavity and a second rubber plug installation cavity coincide with each other.
[0020] A solenoid valve core has a spring installation cavity that is smaller than a second rubber plug installation cavity, and a second rubber plug limiting structure is formed at the upper end of the second rubber plug installation cavity.
[0021] A solenoid valve core, wherein the second rubber plug installation cavity is located at the upper end section of the second step surface and is longer than the mushroom cap length of the second rubber plug; the second rubber plug installation cavity is located at the lower end section of the second step surface and is longer than the mushroom stem length of the second rubber plug.
[0022] A solenoid valve core, the mushroom cap upper end of the second rubber plug is provided with a second inwardly retracting part for facilitating embedding.
[0023] A solenoid valve core, the first rubber plug lower end is provided with a first inwardly retracting part for facilitating embedding.
[0024] A solenoid valve core, without flanging process, no burr, one less deburring process.
[0025] A solenoid valve core, without flanging mouth overall plane, high magnetic force after suction.
[0026] The beneficial effects of the utility model are: the core of the patent adopts small cylinder pressure, which is safer and more efficient than punch operation; copper gaskets are reduced, and production efficiency is improved; the magnetic force is significantly increased, and the suction voltage and release voltage are both reduced.
[0027] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art should be covered in the protection scope of the utility model according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and the utility model concept of the utility model are equivalent to replace or change.
Claims
1. A solenoid valve core, comprising a core body, a first rubber stopper, a second rubber stopper, and a return spring, characterized in that: A first rubber plug mounting cavity is provided at the upper end of the core body, a first step which shrinks upward is provided on the inner wall of the first rubber plug mounting cavity, the first rubber plug is convex in shape, the first rubber plug is embedded in the first rubber plug mounting cavity and is fixed by the first step; a second rubber plug mounting cavity is provided at the lower end of the core body, a spring mounting cavity is provided at the upper end of the second rubber plug mounting cavity, a return spring is provided in the spring mounting cavity, a second rubber plug is provided in the second rubber plug mounting cavity, one end of the return spring abuts against the upper bottom surface of the spring mounting cavity, and the other end of the return spring abuts against the upper end surface of the second rubber plug; The upper end of the first rubber stopper protrudes from the upper end surface of the core body; A second step surface that shrinks downward is provided on the inner wall of the second rubber stopper installation cavity, and the second rubber stopper is mushroom-shaped and embedded in the second rubber stopper installation cavity; The spring installation cavity is smaller than the second rubber stopper installation cavity, and a second rubber stopper limiting structure is formed at the upper end of the second rubber stopper installation cavity; The second rubber stopper installation cavity is located at the upper end of the second step surface, which is longer than the mushroom cap length of the second rubber stopper; the second rubber stopper installation cavity is located at the lower end of the second step surface, which is longer than the mushroom stem length of the second rubber stopper; The upper end of the mushroom cap of the second rubber stopper is provided with a second inwardly contracted portion for easy insertion.
2. The solenoid valve core according to claim 1, characterized in that: The center lines of the spring installation cavity and the second rubber stopper installation cavity coincide with each other.
3. The solenoid valve core according to claim 1, characterized in that: The lower end of the first rubber stopper is provided with a first inward contraction portion for easy insertion.