CN216133729U - Electromagnetic operating mechanism - Google Patents

Abstract

The utility model provides an electromagnetism operating mechanism, belongs to electromagnetic drive technical field, including cylindrical cylinder body, set up in the end cover subassembly at cylinder body both ends, be provided with annular magnetic conduction ring in the inside of cylinder body, be provided with annular first coil and second coil respectively between the both sides of magnetic conduction ring and end cover subassembly, move the iron core and set up in the cylinder body, the actuating lever passes the second gas pocket that sets up in the end cover subassembly intermediate position and links to each other with moving the iron core, the cylinder body inner wall evenly is provided with the recess along the cylinder body axial, be provided with the third gas pocket on the end cover subassembly. According to the electromagnetic operating mechanism provided by the utility model, the groove along the axial direction of the cylinder body is arranged on the inner wall of the cylinder body, and the second air hole and the third air hole are arranged on the end cover assembly, so that external air flow can enter the electromagnetic operating mechanism, and the internal heat is taken away by the air flow, thereby achieving the purpose of cooling.

Description

Electromagnetic operating mechanism

Technical Field

The utility model relates to the technical field of electromagnetic driving, in particular to an electromagnetic operating mechanism.

Background

The electromagnetic operating mechanism is widely applied to various electrical products as a common power element. When the electromagnetic operating mechanism works, the coil needs to be electrified to generate an enough magnetic field to drive the movable iron core to move, and after the movable iron core moves and is contacted with the static iron core, the movable iron core and the static iron core can be reliably attracted only by applying a certain current in the coil. Because the coil needs to be electrified in the whole working process of the electromagnetic operating mechanism to drive the movable iron core to move or the movable iron core and the static iron core keep an attraction state, certain heat can be generated in the coil. In addition, when the electromagnetic operating mechanism works in a high-temperature environment for a long time, the temperature of the coil can rise due to untimely heat conduction and heat dissipation, so that the electromagnetic operating mechanism is unstable in work, and the reliability of an electric product is affected.

The utility model discloses a chinese utility model patent of application number 202022531427.8 discloses an electromagnetic drive mechanism, and this electromagnetic drive mechanism includes the shell, has set up a plurality of shell heating panels at the shell outer wall along the circumferencial direction, promotes the electromagnetic drive mechanism heat dissipation through the shell heating panel, reaches the purpose of cooling. However, the driving mechanism transfers heat from the coil to the housing by heat conduction, and then dissipates the heat from the housing, so that the heat dissipation effect is not ideal for the coil inside the mechanism.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model provides an electromagnetic operating mechanism capable of improving the heat dissipation effect of a coil.

The utility model is realized by the following technical scheme:

the utility model provides an electromagnetism operating mechanism, includes cylindrical cylinder body, sets up in the end cover subassembly at cylinder body both ends, is provided with annular magnetic ring in the inside of cylinder body, is provided with annular first coil and second coil respectively between the both sides of magnetic ring and end cover subassembly, moves the iron core and sets up in the cylinder body, and the actuating lever passes the second gas pocket that sets up in the end cover subassembly intermediate position and links to each other with moving the iron core, and the cylinder body inner wall evenly is provided with the recess along the cylinder body axial, is provided with the third gas pocket on the end cover subassembly.

Furthermore, two end faces of the magnetic conduction ring are provided with annular bosses, the outer diameter of each boss is smaller than that of the magnetic conduction ring, and the bosses are radially provided with guide grooves.

Further, the upper and lower both ends lateral wall of cylinder body is located the recess and is provided with first gas pocket.

Further, the end cover assembly comprises an end cover and a static iron core arranged in the middle of the end cover.

Further, the groove is spirally arranged on the inner side wall of the cylinder body.

Furthermore, the diversion trench is spirally arranged on the boss along the radial direction.

Further, the first coil and the second coil are identical.

The utility model has the beneficial effects that:

1. according to the electromagnetic operating mechanism provided by the utility model, the groove along the axial direction of the cylinder body is arranged on the inner wall of the cylinder body, and the second air hole and the third air hole are arranged on the end cover assembly, so that external air flow can enter the electromagnetic operating mechanism, and the internal heat is taken away by the air flow, thereby achieving the purpose of cooling.

2. According to the electromagnetic operating mechanism provided by the utility model, the first air holes are formed in the grooves on the side walls of the upper end and the lower end of the cylinder body, so that the air flowing into the electromagnetic operating mechanism can flow more smoothly, and the cooling effect is further improved.

3. According to the electromagnetic operating mechanism provided by the utility model, the grooves in the inner wall of the cylinder body are arranged in a spiral shape, and the guide grooves on the bosses are arranged in a spiral shape, so that the flow paths of air flow in the grooves and the guide grooves can be increased, and heat can be better taken away.

4. According to the electromagnetic operating mechanism provided by the utility model, as the two end cover assemblies have the same structure, the first coil and the second coil have the same structure and size, and the upper side and the lower side of the magnetic conduction ring are symmetrically designed, the electromagnetic operating mechanism can be more conveniently assembled.

Drawings

Fig. 1 is a schematic structural diagram of an electromagnetic operating mechanism;

FIG. 2 is a schematic view of a cylinder structure;

FIG. 3 is a schematic cross-sectional view of the cylinder along the A-A direction;

FIG. 4 is a schematic view of a first embodiment of a magnetically permeable ring;

FIG. 5 is a top view of the flux ring of FIG. 4;

FIG. 6 is a schematic view showing the relationship between the magnetic conductive ring and the cylinder;

FIG. 7 is a schematic view of an end cap configuration;

FIG. 8 is a schematic view of a second embodiment of a magnetically permeable ring;

fig. 9 is a schematic diagram of the working state of the electromagnetic operating mechanism.

Wherein: 1. a cylinder body; 101. a groove; 102. a first air hole; 2. an end cap assembly; 201. an end cap; 202. a stationary iron core; 203. a second air hole; 204. a third air hole; 3. a magnetic conductive ring; 301. a boss; 302. a diversion trench; 303. an annular gap; 4. a first coil; 5. a second coil; 6. a movable iron core; 7 driving the rod; 8. a blowing cavity; 801. a fan.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings.

In the technical scheme of the utility model, unless otherwise specifically stated, terms such as "mounting", "setting", "connecting", "fixing", and the like, are to be understood in a broad sense, and can be understood as fixedly connected or detachably connected and the like according to the specific technical scheme, and a person skilled in the art can understand the specific meaning of the terms according to the specific situation involved in the technical scheme.

Fig. 1, fig. 2, fig. 3 and fig. 7 show an electromagnetic operating mechanism, which includes a cylindrical cylinder 1, and end cover assemblies 2 disposed at two ends of the cylinder, an annular magnetic conductive ring 3 is disposed inside the cylinder 1, a first annular coil 4 and a second annular coil 5 are disposed between two sides of the magnetic conductive ring 3 and the end cover assemblies 2, a movable iron core 6 is disposed in the cylinder 1, a driving rod 7 passes through a second air hole 203 disposed at the middle position of the end cover assemblies 2 to be connected with the movable iron core, grooves 101 are uniformly disposed on the inner wall of the cylinder 1 along the axial direction of the cylinder, and a third air hole 204 is disposed on the end cover assemblies 2.

On above-mentioned technical scheme's basis, in order to increase the length of air current at the inside flow path of cylinder body, improve the radiating efficiency, recess 101 is the heliciform setting in the internal side wall of cylinder, can effectively increase recess length like this, increase air current flow path, improve the radiating efficiency.

When the electromagnetic operating mechanism constructed according to the above technical scheme works, as shown in fig. 9, an air blowing cavity 8 capable of covering the end cover assembly 2 is arranged outside the end cover assembly 2 on the side far away from the driving rod 7, a fan mounting hole is arranged above the air blowing cavity 8, and a fan 801 is mounted in the fan mounting hole, so that when the interior of the electromagnetic operating mechanism needs to be cooled, the fan 801 is started through electrical control, at this time, air flow generated by the fan 801 can enter the interior of the electromagnetic operating mechanism through the second air hole 203 and the third air hole 204 on the end cover assembly 2, the air flow flows out through the second air hole 203 and the third air hole 204 on the end cover assembly on the side where the driving rod 7 is located after flowing along the groove 101 and other gaps on the inner side wall of the cylinder body 1, and heat in the operating mechanism is taken away through the flow of the air flow, so as to achieve the purpose of heat dissipation.

Further, in another embodiment, in order to increase the heat dissipation efficiency of the first coil and the second coil end, annular bosses 301 are provided on both end surfaces of the magnetic conductive ring 3, the outer diameter of the boss 301 is smaller than the outer diameter of the magnetic conductive ring 3, and the guide grooves 302 shown in fig. 5 are radially provided on the boss 301. Because the outer diameter of the boss 301 is smaller than the outer diameter of the magnetic conductive ring 3, as shown in fig. 4, an annular gap 303 is formed at the joint of the boss and the edge of the magnetic conductive ring, and when the magnetic conductive ring 3 is installed in the cylinder body 1 and the groove 101 is not aligned with the diversion trench 302 as shown in fig. 6, the airflow in the groove also enters the diversion trench 302 through the diversion effect of the annular gap, so as to form a heat dissipation effect on the end of the coil.

On the basis of the above technical solution, in order to increase the length of the flow path of the air flow at the coil end and improve the heat dissipation efficiency, the guide groove 302 is spirally arranged on the boss 301 along the radial direction as shown in fig. 8, so that the length of the guide groove can be effectively increased, the flow path of the air flow is increased, and the heat dissipation efficiency of the coil end is improved.

Further, in order to increase the fluidity of the air flow, first air holes 102 are provided in the grooves 101 at the upper and lower end side walls of the cylinder 1. When the air flow control mechanism is used, the first air hole 102 far away from one end of the driving rod 7 is closed, and the first air hole 102 close to one end of the driving rod 7 is reserved, so that air flows through the interior of the operating mechanism and then flows out of the first air hole.

In the technical solution of the present invention, the end cap assembly 2 may adopt a conventional design form, and includes an end cap 201 and a stationary core 202 disposed in a middle position of the end cap 201. Assuming that the movable iron core is at the switching-on position of the electromagnetic operating mechanism when the position shown in fig. 1 is the switching-off position, when the second coil 5 is powered off and the first coil 4 is powered on, the movable iron core 6 moves upwards under the action of the magnetic field generated by the first coil 4, and when the movable iron core 6 is in contact with the static iron core 202, the switching-off operation is completed.

Because the structure of the two end cover components is the same, the structure and the size of the first coil and the second coil are the same, and the upper side and the lower side of the magnetic conduction ring are symmetrically designed as shown in figure 4, the electromagnetic operating mechanism can be more conveniently assembled.

Claims (7)

1. The utility model provides an electromagnetism operating mechanism, includes cylindrical cylinder body (1), set up in end cover subassembly (2) at cylinder body both ends, be provided with annular magnetic conduction ring (3) in the inside of cylinder body (1), be provided with annular first coil (4) and second coil (5) respectively between the both sides of magnetic conduction ring (3) and end cover subassembly (2), move iron core (6) and set up in cylinder body (1), actuating lever (7) pass second gas pocket (203) that set up in end cover subassembly (2) intermediate position and move the iron core and link to each other, its characterized in that:

the inner wall of the cylinder body (1) is uniformly provided with grooves (101) along the axial direction of the cylinder body, and the end cover assembly (2) is provided with a third air hole (204).

2. The electromagnetic actuator of claim 1, wherein: two end faces of the magnetic conductive ring (3) are provided with annular bosses (301), the outer diameter of each boss (301) is smaller than that of the magnetic conductive ring (3), and guide grooves (302) are arranged on the bosses (301) in the radial direction.

3. The electromagnetic actuator of claim 1, wherein: the side walls of the upper end and the lower end of the cylinder body (1) are positioned in the groove (101) and are internally provided with first air holes (102).

4. The electromagnetic actuator of claim 1, wherein: the end cover assembly (2) comprises an end cover (201) and a static iron core (202) arranged in the middle of the end cover (201).

5. The electromagnetic actuator of claim 1, wherein: the groove (101) is spirally arranged on the inner side wall of the cylinder body.

6. The electromagnetic actuator of claim 2, wherein: the guide groove (302) is arranged on the boss (301) in a spiral shape along the radial direction.

7. The electromagnetic actuator of any one of claims 1 to 6, wherein: the first coil (4) and the second coil (5) are identical.

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