Explosion-proof electromagnetic coil

Abstract

The utility model discloses an explosion-proof electromagnetic coil, which relates to the field of electromagnetic coils, and comprises an explosion-proof coil shell, the top of the explosion-proof coil shell is fixedly connected with a threaded column, the outer wall of the threaded column is provided with a movable sleeve, the top of the threaded column is fixedly connected with a bearing elastic piece, one side of the bearing elastic piece is fixedly connected with a convex block, and the convex block is fixedly connected with the threaded column. The other side of the bearing elastic piece is fixedly connected with a limiting rod, a valve rod is installed on the inner wall of the anti-explosion coil shell, a limiting hole is formed in the valve rod, the valve rod of the electromagnetic valve penetrates through an installation groove of the anti-explosion coil shell, the limiting hole and the limiting rod are made to be at the same height, the movable sleeve is rotated, and the electromagnetic valve is installed on the anti-explosion coil shell. The top of the movable sleeve can be made to extrude the protruding block, the bearing elastic piece is bent, one end of the limiting rod is driven to be clamped into the limiting hole for limiting, the effect of conveniently and stably assembling the anti-explosion coil shell and the valve rod is achieved, and the field installation efficiency of the anti-explosion electromagnetic coil is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electromagnetic coil, concretely is a kind of explosion-proof electromagnetic coil. BACKGROUND

[0002] Explosion-proof electromagnetic coil is a special design electromagnetic coil, mainly used in the environment where explosion hazard exists, electromagnetic coil is worked using electromagnetic induction principle.When current passes through coil, magnetic field will be generated.This magnetic field can be used to drive various electromagnetic devices, such as electromagnetic valve, electromagnetic relay, etc.It is composed of coil wound on the core, coil is usually tightly wound by insulated wire (such as enameled wire).When voltage is applied at both ends of wire, current flows in coil, and according to Ampere's law, magnetic field will be generated, the current explosion-proof electromagnetic coil often installs with electromagnetic valve by bolt, needs to use specific tool to assemble, it is more inconvenient, therefore needs a kind of explosion-proof electromagnetic coil.

[0003] The existing explosion-proof electromagnetic coil is inconvenient to assemble the explosion-proof coil and the electromagnetic valve during use, thereby affecting the efficiency of the explosion-proof electromagnetic coil on-site installation, and the heat dissipation effect of the current explosion-proof electromagnetic coil is poor, so there is an urgent need for an explosion-proof electromagnetic coil. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing an explosion-proof electromagnetic coil to solve the problems of inconvenient assembly of explosion-proof coil and electromagnetic valve and poor heat dissipation effect of the existing explosion-proof electromagnetic coil.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an explosion-proof electromagnetic coil, comprising an explosion-proof coil shell, a threaded column is fixedly connected to the top of the explosion-proof coil shell, a movable sleeve is installed on the outer wall of the threaded column, a receiving spring is fixedly connected to the top of the threaded column, a protruding block is fixedly connected to one side of the receiving spring, a limiting rod is fixedly connected to the other side of the receiving spring, a valve rod is installed on the inner wall of the explosion-proof coil shell, and a limiting hole is formed in the valve rod.

[0006] A heat-conducting sheet is installed in the explosion-proof coil shell, heat dissipation fins are fixedly connected to the outer wall of the heat-conducting sheet, and connecting rods are fixedly connected to the outer wall of the heat dissipation fins.

[0007] Preferably, the threaded column is threadedly connected with the movable sleeve, and a threaded groove is formed in the interior of the movable sleeve.

[0008] Preferably, the receiving spring is arranged in a ring shape around the central axis of the threaded column, and the protruding block is movably connected with the movable sleeve.

[0009] Preferably, the limiting rod is clamped and connected with the valve rod through the limiting hole, and the limiting hole is arranged in a ring shape around the central axis of the valve rod.

[0010] Preferably, the heat-conducting sheet is welded with the heat-dissipating fin, and the heat-conducting sheet is arranged in an L shape.

[0011] Preferably, the heat-dissipating fins are arranged at equal intervals on the outer wall of the connecting rod, and the heat-dissipating fins are designed in a slotted manner.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The explosion-proof coil shell and the valve rod are stably assembled, and the efficiency of the explosion-proof electromagnetic coil field installation is improved.

[0014] 2. The explosion-proof coil shell, the heat-conducting sheet, the heat-dissipating fin and the connecting rod are arranged, the heat-conducting sheet is arranged in the explosion-proof coil shell, the heat generated by the explosion-proof electromagnetic coil is conducted to the heat-dissipating fin through the heat-conducting sheet, the heat-dissipating fins are arranged at equal intervals on the outer wall of the connecting rod, the contact area of the heat-dissipating fin and air is increased, and the heat-dissipating performance of the explosion-proof electromagnetic coil is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a structure split schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional view of the explosion-proof coil shell of the utility model;

[0018] Figure 4 It is a three-dimensional view of the explosion-proof coil shell of the utility model; Figure 2 It is an enlarged view of structure A of the utility model;

[0019] Figure 5 It is a three-dimensional view of the heat-dissipating fin of the utility model.

[0020] In the drawing: 1, explosion-proof coil shell; 2, threaded column; 3, movable sleeve; 4, receiving spring; 5, protruding block; 6, limiting rod; 7, valve rod; 8, limiting hole; 9, heat-conducting sheet; 10, heat-dissipating fin; 11, connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the present application, and cannot be understood as a limitation to the present application.

[0022] The embodiments will be described below according to the overall structure of the present application.

[0023] Please refer to Figures 1-5 The explosion-proof electromagnetic coil comprises an explosion-proof coil shell 1, a threaded column 2 fixedly connected to the top of the explosion-proof coil shell 1, a movable sleeve 3 installed on the outer wall of the threaded column 2, an accommodating spring plate 4 fixedly connected to the top of the threaded column 2, a protruding block 5 fixedly connected to one side of the accommodating spring plate 4, a limiting rod 6 fixedly connected to the other side of the accommodating spring plate 4, a valve rod 7 installed on the inner wall of the explosion-proof coil shell 1, a limiting hole 8 formed in the valve rod 7, the threaded column 2 being threadedly connected with the movable sleeve 3, a threaded groove being formed in the movable sleeve 3, the accommodating spring plate 4 being arranged in a ring shape around the central axis of the threaded column 2, the protruding block 5 being movably connected with the movable sleeve 3, the limiting rod 6 being clamped and connected with the valve rod 7 through the limiting hole 8, and the limiting hole 8 being arranged in a ring shape around the central axis of the valve rod 7, so that the explosion-proof coil shell 1 and the valve rod 7 can be stably assembled.

[0024] Please refer to Figures 1-5 The explosion-proof electromagnetic coil comprises an explosion-proof coil shell 1, a threaded column 2 fixedly connected to the top of the explosion-proof coil shell 1, a movable sleeve 3 installed on the outer wall of the threaded column 2, an accommodating spring plate 4 fixedly connected to the top of the threaded column 2, a protruding block 5 fixedly connected to one side of the accommodating spring plate 4, a limiting rod 6 fixedly connected to the other side of the accommodating spring plate 4, a valve rod 7 installed on the inner wall of the explosion-proof coil shell 1, a limiting hole 8 formed in the valve rod 7, the threaded column 2 being threadedly connected with the movable sleeve 3, a threaded groove being formed in the movable sleeve 3, the accommodating spring plate 4 being arranged in a ring shape around the central axis of the threaded column 2, the protruding block 5 being movably connected with the movable sleeve 3, the limiting rod 6 being clamped and connected with the valve rod 7 through the limiting hole 8, and the limiting hole 8 being arranged in a ring shape around the central axis of the valve rod 7, so that the explosion-proof coil shell 1 and the valve rod 7 can be stably assembled.

[0025] Working principle: in use, by the valve rod 7 of electromagnetic valve through the installation slot of explosion-proof coil shell 1, make limit hole 8 with limit rod 6 is placed at the same height, rotate movable sleeve 3, because movable sleeve 3 and threaded column 2 are connected by screw thread, can make the top of movable sleeve 3 extrude protruding block 5, make the bending of bearing spring 4, drive the end of limit rod 6 to be inserted into limit hole 8 and be limited, by bearing spring 4 with the central axis of threaded column 2 as the center, annularly arranged, can make six limit rods 6 are inserted into limit hole 8 and be limited, make explosion-proof electromagnetic coil stable installation, by the heat conduction sheet 9 inside explosion-proof coil shell 1, can make the heat generated by explosion-proof electromagnetic coil operation through heat conduction sheet 9 conduction to radiating fin 10, because radiating fin 10 is set with the outer wall of connecting rod 11 equidistantly, can improve the contact area of radiating fin 10 and air, accelerate the heat dissipation efficiency, so it completes the use process of the device, the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An explosion-proof electromagnetic coil comprising an explosion-proof coil housing (1), characterized in that: The top of the explosion-proof coil shell (1) is fixedly connected with a threaded column (2), an outer wall of the threaded column (2) is provided with a movable sleeve (3), the top of the threaded column (2) is fixedly connected with a receiving spring (4), one side of the receiving spring (4) is fixedly connected with a protruding block (5), the other side of the receiving spring (4) is fixedly connected with a limiting rod (6), an inner wall of the explosion-proof coil shell (1) is provided with a valve rod (7), an inside of the valve rod (7) is provided with a limiting hole (8). The inside of the explosion-proof coil shell (1) is provided with a heat-conducting sheet (9), an outer wall of the heat-conducting sheet (9) is fixedly connected with a heat-dissipating fin (10), the outer wall of the heat-dissipating fin (10) is fixedly connected with a connecting rod (11).

2. An explosion-proof electromagnetic coil according to claim 1, characterized in that: The threaded column (2) is threadedly connected with the movable sleeve (3), and an inside of the movable sleeve (3) is provided with a threaded groove.

3. An explosion-proof electromagnetic coil according to claim 1, characterized in that: The receiving spring (4) is arranged in a ring shape with the central axis of the threaded column (2) as the center, and the protruding block (5) is movably connected with the movable sleeve (3).

4. An explosion-proof electromagnetic coil according to claim 1, characterized in that: The limiting rod (6) is clampedly connected with the valve rod (7) through the limiting hole (8), and the limiting hole (8) is arranged in a ring shape with the central axis of the valve rod (7) as the center.

5. An explosion-proof electromagnetic coil according to claim 1, characterized in that: The heat-conducting sheet (9) is welded with the heat-dissipating fin (10), and the heat-conducting sheet (9) is arranged in an L shape.

6. An explosion-proof electromagnetic coil according to claim 1, wherein: The heat-dissipating fins (10) are arranged at equal intervals on the outer wall of the connecting rod (11), and the heat-dissipating fins (10) are designed in a slotted manner.

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