CN216895996U

CN216895996U - Explosion-proof electromagnetic valve with waterproof function

Info

Publication number: CN216895996U
Application number: CN202220009010.1U
Authority: CN
Inventors: 伍树文; 经纬; 何冠群
Original assignee: Jiangsu Aoqun Automation Equipment Co ltd
Current assignee: Jiangsu Aoqun Automation Equipment Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-05
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to an explosion-proof electromagnetic valve with a waterproof function, which comprises an electromagnetic valve body, wherein a liquid inlet and a liquid outlet are arranged below the electromagnetic valve body, a protective device and a connecting device are arranged on the electromagnetic valve body, the protective device comprises a protective box, a protective cover and an installation support, one end of the installation support is connected with the upper part of the electromagnetic valve body, the other end of the installation support is connected with the bottom of the protective box, and the protective cover is hinged with the protective box.

Description

Explosion-proof electromagnetic valve with waterproof function

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an explosion-proof electromagnetic valve with a waterproof function.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured.

Patent No. CN201320383384.0 discloses a solenoid valve, in this patent, parts in the solenoid valve that may generate sparks or electric arcs are exposed in the air, and are prone to explosion in some places, and the safety is poor; in addition, the electromagnetic valve is not easy to be connected with an external pipeline and is not easy to be installed when in use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the problems in the prior art, the utility model provides an explosion-proof electromagnetic valve with a waterproof function, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof solenoid valve with waterproof function, includes the solenoid valve body, and the below of solenoid valve body is equipped with inlet and liquid outlet, be equipped with protector and connecting device on the solenoid valve body, protector includes protection box, protective cover and installing support, the one end of installing support and the top of solenoid valve body are connected, the other end with the bottom of protection box is connected, protective cover and protection box are articulated, connecting device includes connecting pipe and coupling nut, the one end of connecting pipe with the inlet laminating, be equipped with the spacing groove on the connecting pipe, the last stopper that is equipped with of coupling nut, and the stopper is located the spacing inslot, and freely slide and rotate at the spacing inslot, be equipped with the external screw thread on the inlet, be provided with matched with internal thread in the coupling nut.

Preferably, an inner boss is arranged on the protection box, an outer boss is arranged on the protection cover, and the outer boss is arranged on the outer side of the inner boss. Can prevent the damage of internal parts caused by water entering the protective box.

In a further preferred embodiment, the protective cover and the protective box are provided with cooling fins. Can be convenient for the inside part heat dissipation of protection box.

In a further preferred mode, a pin shaft is arranged on one side of the protective cover and one side of the protective box and penetrates through the protective cover and the protective box. The hinge joint of the protective cover and the protective box can be facilitated.

In further preferred, be close to on the protective cover one side of round pin axle is equipped with the buckler, all be equipped with spacing arch on protective cover and the protective box, be provided with the matched with shallow slot in the buckler. Water can be prevented from entering the protective box at the pin shaft.

In a further preferred mode, one end of the connecting pipe is provided with a first conical surface, and the liquid inlet is provided with a second conical surface matched with the first conical surface. The sealing property between the connecting pipe and the liquid inlet can be improved.

In a further preferred embodiment, the connecting device is provided with two sets, and is respectively connected with the liquid inlet and the liquid outlet. The sealing performance between the connecting pipe and the liquid inlet and the liquid outlet can be improved.

(III) advantageous effects

Compared with the prior art, the utility model provides an explosion-proof electromagnetic valve with a waterproof function, which has the following beneficial effects:

1. according to the utility model, by arranging the protection device, parts which possibly generate sparks and electric arcs in the electromagnetic valve can be protected, and by arranging the inner boss and the outer boss, water can be prevented from entering the protection box to cause damage to internal parts;

2. according to the utility model, the liquid inlet and the liquid outlet can be conveniently communicated with an external pipeline through the connecting device, and the limiting groove and the connecting nut are arranged, so that the connecting pipe or the liquid inlet and the liquid outlet do not need to be rotated during connection;

3. according to the utility model, the hinge joint of the protective cover and the protective box can be facilitated by arranging the pin shaft, the waterproof cover can be prevented from entering the protective box at the pin shaft, and the connection of the waterproof cover, the protective cover and the protective box can be facilitated by arranging the limiting bulges and the shallow grooves.

Drawings

Fig. 1 is a schematic view of the overall structure of an explosion-proof solenoid valve having a waterproof function according to the present invention;

FIG. 2 is an exploded view of the connection device of the present invention;

fig. 3 is an exploded view of the shielding device of the present invention.

In the figure: 1. a solenoid valve body; 2. a liquid inlet; 3. a liquid outlet; 4. a protective case; 5. a protective cover; 6. mounting a bracket; 7. a connecting pipe; 8. a connecting nut; 9. a limiting groove; 10. a limiting block; 11. an external thread; 12. an internal thread; 13. an inner boss; 14. an outer boss; 15. a heat sink; 16. a pin shaft; 17. a waterproof cover; 18. a limiting bulge; 19. shallow-trough; 20. a first conical surface; 21. a second tapered surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, an explosion-proof solenoid valve with waterproof function comprises a solenoid valve body 1, a liquid inlet 2 and a liquid outlet 3 are arranged below the solenoid valve body 1, a protection device and a connecting device are arranged on the solenoid valve body 1, the protection device comprises a protection box 4, a protection cover 5 and a mounting bracket 6, one end of the mounting bracket 6 is connected with the upper part of the solenoid valve body 1, the other end is connected with the bottom of the protection box 4, the protection cover 5 is hinged with the protection box 4, the connecting device comprises a connecting pipe 7 and a connecting nut 8, one end of the connecting pipe 7 is attached to the liquid inlet 2, a limit groove 9 is arranged on the connecting pipe 7, a limit block 10 is arranged on the connecting nut 8, and the limiting block 10 is positioned in the limiting groove 9 and freely slides and rotates in the limiting groove 9, the liquid inlet 2 is provided with an external thread 11, and the connecting nut 8 is internally provided with a matched internal thread 12. The protective cover 5 and the protective box 4 are both provided with cooling fins 15. One end of the connecting pipe 7 is provided with a first conical surface 20, and the liquid inlet 2 is provided with a second conical surface 21 which is matched with the first conical surface. The connecting devices are provided with two groups and are respectively connected with the liquid inlet 2 and the liquid outlet 3.

In this embodiment, the protective box 4 is provided with an inner boss 13, the protective cover 5 is provided with an outer boss 14, and the outer boss 14 is disposed outside the inner boss 13. One side of protective cover 5 and protection box 4 is equipped with round pin axle 16, and round pin axle 16 runs through protective cover 5 and protection box 4. One side of the protective cover 5 close to the pin 16 is provided with a waterproof cover 17, the protective cover 5 and the protective box 4 are both provided with a limit bulge 18, and the waterproof cover 17 is internally provided with a matched shallow groove 19. When the electromagnetic valve is used, parts of the electromagnetic valve, which can generate sparks and electric arcs, are placed in the protective box 4, the protective cover 5 is rotated around the pin shaft 16 to be closed, the waterproof cover 17 is pushed out of the protective cover 5 and the protective box 4, and the limiting protrusions 18 are matched with the shallow grooves 19.

Example 2:

in conclusion, when the electromagnetic valve is used, parts of the electromagnetic valve which are likely to generate sparks and electric arcs are placed in the protective box 4, the protective cover 5 is rotated and closed around the pin shaft 16, the waterproof cover 17 is pushed out of the protective cover 5 and the protective box 4, the limiting protrusions 18 are matched with the shallow grooves 19, connection and fixation among the waterproof cover 17, the protective cover 5 and the protective box 4 are achieved, the waterproof cover 17 is not prone to falling off from the protective cover 5 and the protective box 4, and explosion or water inflow is prevented.

Example 3:

in summary, when in use, the end of the connecting pipe 7 with the first conical surface 20 is moved to the liquid inlet 2, the connecting nut 8 is rotated to be connected with the liquid inlet 2 through the external thread 11 and the internal thread 12 in a matching manner until the first conical surface 20 and the second conical surface 21 are tightly attached to each other, so as to realize the sealing connection between the connecting pipe 7 and the liquid inlet 2, and the sealing connection between the connecting pipe 7 and the liquid outlet 3 is completed according to the same operation.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof solenoid valve with waterproof function, includes solenoid valve body (1), and the below of solenoid valve body (1) is equipped with inlet (2) and liquid outlet (3), its characterized in that: the electromagnetic valve body (1) is provided with a protective device and a connecting device, the protective device comprises a protective box (4), a protective cover (5) and a mounting bracket (6), one end of the mounting bracket (6) is connected with the upper part of the electromagnetic valve body (1), the other end is connected with the bottom of the protection box (4), the protective cover (5) is hinged with the protective box (4), the connecting device comprises a connecting pipe (7) and a connecting nut (8), one end of the connecting pipe (7) is attached to the liquid inlet (2), a limiting groove (9) is arranged on the connecting pipe (7), a limiting block (10) is arranged on the connecting nut (8), and the limiting block (10) is positioned in the limiting groove (9) and can freely slide and rotate in the limiting groove (9), an external thread (11) is arranged on the liquid inlet (2), and a matched internal thread (12) is arranged in the connecting nut (8).

2. The explosion-proof electromagnetic valve with the waterproof function according to claim 1, characterized in that: an inner boss (13) is arranged on the protection box (4), an outer boss (14) is arranged on the protection cover (5), and the outer boss (14) is arranged on the outer side of the inner boss (13).

3. The explosion-proof electromagnetic valve with the waterproof function according to claim 1, characterized in that: and the protective cover (5) and the protective box (4) are both provided with radiating fins (15).

4. The explosion-proof electromagnetic valve with the waterproof function according to claim 1, characterized in that: one side of protective cover (5) and protection box (4) is equipped with round pin axle (16), round pin axle (16) run through protective cover (5) and protection box (4).

5. The explosion-proof electromagnetic valve with the waterproof function according to claim 4, characterized in that: be close to on protective cover (5) one side of round pin axle (16) is equipped with buckler (17), all be equipped with spacing arch (18) on protective cover (5) and protective box (4), be provided with matched with shallow slot (19) in buckler (17).

6. The explosion-proof electromagnetic valve with the waterproof function according to claim 1, characterized in that: one end of the connecting pipe (7) is provided with a first conical surface (20), and the liquid inlet (2) is provided with a second conical surface (21) matched with the first conical surface.

7. The explosion-proof electromagnetic valve with the waterproof function according to claim 6, characterized in that: the connecting devices are provided with two groups and are respectively connected with the liquid inlet (2) and the liquid outlet (3).