CN219418650U

CN219418650U - Electromagnet and electromagnetic pilot valve

Info

Publication number: CN219418650U
Application number: CN202320612017.7U
Authority: CN
Inventors: 王伟; 姚卓; 刘晓萌
Original assignee: Beijing Meike Tianma Automation Technology Co Ltd; Beijing Tianma Intelligent Control Technology Co Ltd
Current assignee: Beijing Meike Tianma Automation Technology Co Ltd; Beijing Tianma Intelligent Control Technology Co Ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-25
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses an electromagnet and an electromagnetic pilot valve, wherein the electromagnet comprises: the utility model provides an electro-magnet body, terminal box and sealing member, the first end face of electro-magnet body has the installation department, be equipped with first wiring passageway on the installation department, the first end face of terminal box has the connecting portion, be equipped with the second on the connecting portion and walk the wiring passageway, connecting portion and installation department cooperation are in order to install the terminal box on the electro-magnet body, first wiring passageway and second walk the wiring passageway and are linked together in order to constitute the lead wire passageway jointly, the lead wire passageway is used for making the inner chamber of electro-magnet body and the inner chamber intercommunication of terminal box, the lead wire passageway intussuseption is filled with first sealing medium, the sealing member encircles the junction of installation department and connecting portion. Through filling first sealing medium in the wire guide channel and setting up sealing member between electro-magnet body and terminal box to solve the hidden danger of intaking between the junction box and the junction of electro-magnet body, thereby improve the security and the reliability of electro-magnet.

Description

Electromagnet and electromagnetic pilot valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnet and an electromagnetic pilot valve.

Background

The water-based electromagnetic pilot valve for the mine has larger requirements in the underground fully-mechanized mining face of the coal mine, and the working environment of the water-based electromagnetic pilot valve has the conditions of coal dust and water vapor, so that the water resistance of the electromagnetic pilot valve is higher. The inside coil assembly and the moving and static armature assemblies that have of electromagnet housing, the inside water that intakes will lead to the condition of electromagnet coil damage, metal part corrosion can influence the flexibility of electro-magnet ejector pin, and serious condition makes the ejector pin not reset even the card die.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, an embodiment of the present utility model proposes an electromagnet having a waterproof structure.

The electromagnet of the embodiment of the utility model comprises: the electromagnet comprises an electromagnet body, a junction box and a sealing piece, wherein a mounting part and a first wiring channel are arranged on a first end face of the electromagnet body, a connecting part is arranged on the first end face of the junction box, a second wiring channel is arranged on the connecting part, the connecting part is matched with the mounting part to mount the junction box on the electromagnet body, the first wiring channel and the second wiring channel are communicated to form a lead channel together, the lead channel is used for enabling an inner cavity of the electromagnet body to be communicated with the inner cavity of the junction box, a first sealing medium is filled in the lead channel, and the sealing piece surrounds the connecting part of the mounting part and the connecting part and the communicating part of the first wiring channel and the second wiring channel.

According to the electromagnet disclosed by the embodiment of the utility model, the first sealing medium is filled in the lead channel, and the sealing piece is arranged between the electromagnet body and the junction box, so that a gap between the electromagnet body and the junction box is sealed. Therefore, the hidden danger of water inflow between the junction box and the connecting part of the electromagnet body is solved, and the safety and reliability of the electromagnet are improved.

In some embodiments, an annular seal groove is provided on the first end face of the junction box, the annular seal groove surrounds the connection portion, at least a portion of the seal is provided within the annular seal groove, and the seal abuts against the first end face of the electromagnet body.

In some embodiments, an end face of the connection portion proximate to the electromagnet body is flush with the first end face of the junction box.

In some embodiments, the first end face of the terminal block is in contact with the first end face of the electromagnet body.

In some embodiments, the end face of the connecting portion, which is close to the electromagnet body, and/or the first end face of the electromagnet body is coated with a sealant.

In some embodiments, the mounting part further comprises a mounting screw, the mounting part comprises a first screw hole, a second screw hole corresponding to the first screw hole is arranged on the connecting part, and the mounting screw is matched with the first screw hole and the second screw hole respectively.

In some embodiments, the first screw hole, the second screw hole and the mounting screw are all multiple and in one-to-one correspondence.

In some embodiments, the junction box is filled with a second sealing medium.

The embodiment of the utility model also provides an electromagnetic pilot valve.

The electromagnetic pilot valve of the embodiment of the utility model comprises the electromagnet in any embodiment.

Drawings

Fig. 1 is a schematic front view of an electromagnet according to an embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is a right side schematic view of a junction box of an electromagnet according to an embodiment of the present utility model.

Fig. 4 is a schematic left-hand view of an electromagnet body of an electromagnet according to an embodiment of the present utility model.

FIG. 5 is a schematic diagram of an electromagnetic pilot valve according to an embodiment of the present utility model.

Reference numerals:

an electromagnet body 1, a first wiring channel 111, a first screw hole 112,

Junction box 2, connecting portion 21, second wiring channel 211, second screw hole 212, annular seal groove 201,

And a seal 3.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

An electromagnet according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, an electromagnet according to an embodiment of the present utility model includes: an electromagnet body 1, a junction box 2 and a sealing member 3. The first end face of the electromagnet body 1 is provided with a mounting part and a first wiring channel 111, the first end face of the junction box 2 is provided with a connecting part 21, and the connecting part 21 is provided with a second wiring channel 211.

The connection portion 21 and the installation portion cooperate to install the junction box 2 on the electromagnet body 1, for example, in a threaded manner, an external thread is provided on the installation portion, an internal thread is provided on the connection portion 21, and the installation portion and the connection portion 21 are rotated to mutually cooperate the threads, thereby realizing the assembly between the junction box 2 and the electromagnet body 1. Or, the mounting portion is provided with a clamping groove, the connecting portion 21 is provided with a buckle matched with the clamping groove, and the mounting portion and the connecting portion are assembled in a buckling connection mode. On the premise of the assembly mode, the purpose of the assembly mode is to detachably connect the junction box 2 with the electromagnet body 1, so that the assembly and disassembly are convenient.

The first routing channel 111 and the second routing channel 211 are communicated to form a lead channel together, the lead channel is used for enabling the inner cavity of the electromagnet body 1 to be communicated with the inner cavity of the junction box 2, and the lead channel is filled with a first sealing medium.

Wherein, be used for installing the circuit board in the terminal box 2, the circuit board passes through the wire and links to each other with the internal components such as coil pack in the electro-magnet body 1. Thus, by opening the first wiring passage 111 and the second wiring passage 211 so that the junction box 2 and the electromagnet body 1 communicate with each other, the wires sequentially pass through the first wiring passage 111 and the second wiring passage 211. And after the connection of the lead wires is completed, filling a first sealing medium (silica gel) into the lead wire channel, filling the lead wire channel, and performing sealing treatment.

Alternatively, as shown in fig. 1 to 4, the junction box 2 is located on the left side of the electromagnet body 1, a mounting portion is provided on the left end face of the electromagnet body 1, and a connecting portion 21 is provided on the right end face of the junction box 2. The first wire channel 111 and the second wire channel 211 extend along the left-right direction, the right end of the first wire channel 111 is communicated with the inner cavity of the electromagnet body 1, the left end of the first wire channel 111 is communicated with the right end of the second wire channel 211, and the left end of the second wire channel 211 is communicated with the inner cavity of the junction box 2.

Further, the sealing member 3 surrounds both the junction of the mounting portion and the connection portion 21 and the communication of the first wiring passage 111 and the second wiring passage 211. Because there is the clearance between installation department and the connecting portion 21, in order to avoid the hidden danger of intaking of this clearance department, through set up sealing member 3 (rubber seal) on the periphery wall of installation department and connecting portion 21 around, thereby realize the sealing to the junction.

According to the electromagnet disclosed by the embodiment of the utility model, the first sealing medium is filled in the lead channel, and the sealing piece 3 is arranged between the electromagnet body 1 and the junction box 2, so that a gap between the electromagnet body and the junction box is sealed. Therefore, the hidden danger of water inflow between the junction box 2 and the connecting part of the electromagnet body 1 is solved, and the safety and reliability of the electromagnet are improved.

In some embodiments, as shown in fig. 1 to 4, an annular seal groove 201 is provided on the right end face of the junction box 2, the annular seal groove 201 surrounding the connection portion 21. At least part of the seal 3 is disposed within the annular seal groove 201, and the seal 3 abuts against the first end face of the electromagnet body 1.

Specifically, as shown in fig. 1 to 4, the right end face of the connecting portion 21 is flush with the right end face of the junction box 2, and the right end face of the junction box 2 is fitted to the left end face of the electromagnet body 1. The annular seal groove 201 has a square cross-sectional shape and the connecting portion 21 has a square cross-sectional shape. The sealing element 3 is a square sealing ring, the sealing element 3 is arranged in the annular sealing groove 201, and the right end of the sealing element 3 abuts against the left end face of the electromagnet body 1.

Further, the end face of the connecting portion 21 near the electromagnet body 1 and/or the first end face of the electromagnet body 1 is coated with a sealant. For example, the right end face of the connection portion 21 is coated with a sealant, or the left end face of the electromagnet body 1 is coated with a sealant, or both the right end face of the connection portion 21 and the left end face of the electromagnet body 1 are coated with a sealant.

It can be appreciated that by coating the sealant on the end surface of the electromagnet body 1 connected with the junction box 2, on the one hand, the stability of the connection between the electromagnet body 1 and the junction box can be improved, and on the other hand, the waterproof sealing effect can be improved.

In some embodiments, as shown in fig. 1 to 4, the mounting portion further includes a mounting screw (not shown in the drawings), the mounting portion includes a first screw hole 112, a second screw hole 212 corresponding to the first screw hole 112 is provided on the connection portion 21, and the mounting screw is respectively engaged with the first screw hole 112 and the second screw hole 212.

Alternatively, the first screw hole 112 and the second screw hole 212 extend in the left-right direction, and the first screw hole 112 and the second screw hole 212 correspond in position in the left-right direction. The assembly between the junction box 2 and the electromagnet body 1 is realized by the cooperation of the mounting screws with the first screw holes 112 and the second screw holes 212.

Specifically, the first screw hole 112 is a blind hole, that is, the first screw hole 112 penetrates through the left sidewall of the electromagnet body 1. The second screw hole 212 is a through hole, that is, the second screw hole 212 penetrates the right side wall of the junction box 2. Thus, the mounting screw is mounted from inside the junction box 2, and is screwed into the second screw hole 212 from left to right, eventually fitting the right end of the mounting screw into the first screw hole 112.

Further, the first screw hole 112, the second screw hole 212 and the mounting screw are all plural and correspond to each other one by one. By installing a plurality of screws, the stability of connection between the junction box 2 and the electromagnet body 1 is improved.

In some embodiments, the junction box 2 is filled with a second sealing medium (epoxy).

In the assembly, the end face of the junction box 2, which is contacted with the electromagnet body 1, is provided with a square annular sealing groove 201, a wiring channel and a screw hole. The annular sealing groove 201 is used for assembling the sealing piece 3, the wiring channel is used for communicating the junction box 2 and the electromagnet body 1, the lead wire is ensured to pass through, the screw hole is used for fixing the junction box 2 on the electromagnet body 1, and the wiring channel is connected by using the mounting screw.

The installation process comprises the following steps: firstly, a sealant is coated on the end face of the junction box 2 connected with the electromagnet body 1, then the junction box 2 is fixed with the electromagnet body 1 by using a mounting screw, a wire is drawn out from the electromagnet body 1, sequentially passes through the first wiring channel 111 and the second wiring channel 211, enters the junction box 2, and is correspondingly welded on a circuit board. Then, a small amount of hot melt adhesive is used to fix the circuit board on the inner wall of the junction box 2, and then the first routing channel 111 and the second routing channel 211 are filled with silica gel, and finally the junction box 2 is filled with epoxy resin for encapsulation.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. An electromagnet, comprising:

the electromagnet comprises an electromagnet body, wherein a mounting part and a first wiring channel are arranged on a first end surface of the electromagnet body;

the first end face of the junction box is provided with a connecting part, a second wiring channel is arranged on the connecting part, the connecting part is matched with the mounting part to mount the junction box on the electromagnet body, the first wiring channel and the second wiring channel are communicated to form a lead channel together, the lead channel is used for enabling an inner cavity of the electromagnet body to be communicated with an inner cavity of the junction box, and a first sealing medium is filled in the lead channel;

the sealing piece surrounds the connection part of the mounting part and the connecting part and the communication part of the first wiring channel and the second wiring channel.

2. The electromagnet of claim 1, wherein an annular seal groove is provided on the first end face of the junction box, the annular seal groove surrounds the connection portion, at least a portion of the seal is provided in the annular seal groove, and the seal abuts against the first end face of the electromagnet body.

3. The electromagnet of claim 2, wherein an end face of the connection portion proximate the electromagnet body is flush with the first end face of the junction box.

4. The electromagnet of claim 3 wherein the first end face of the terminal block is in engagement with the first end face of the electromagnet body.

5. The electromagnet according to claim 4, wherein the end face of the connecting portion adjacent to the electromagnet body and/or the first end face of the electromagnet body is coated with a sealant.

6. The electromagnet of claim 2, further comprising a mounting screw, wherein the mounting portion includes a first screw hole, a second screw hole corresponding to the first screw hole is provided on the connecting portion, and the mounting screw is respectively matched with the first screw hole and the second screw hole.

7. The electromagnet of claim 6, wherein the first screw hole, the second screw hole, and the mounting screw are all multiple and in one-to-one correspondence.

8. The electromagnet of claim 1 wherein the junction box is filled with a second sealing medium.

9. An electromagnetic pilot valve, characterized by comprising an electromagnet according to any one of claims 1-8.