CN212203139U

CN212203139U - Low-energy-consumption two-way electromagnetic valve

Info

Publication number: CN212203139U
Application number: CN202020863964.XU
Authority: CN
Inventors: 李锐
Original assignee: Huizhou Nuclear Valve Auto Parts Co ltd
Current assignee: Huizhou Nuclear Valve Auto Parts Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-22
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a two-way solenoid valve of low energy consumption, which comprises a valve body, sliding connection has first slip magnet in the valve body, the valve body internal fixation is provided with first solenoid, first solenoid encircles the outside that sets up at first slip magnet, sliding connection has second slip magnet in the valve body, the valve body internal fixation is provided with second solenoid, second solenoid encircles the outside that sets up at second slip magnet, the first rack of first slip magnet fixedly connected with, second slip magnet fixedly connected with second rack, valve body internal rotation is connected with the gear, the both sides of gear respectively with first rack and the meshing of second rack, the centre of a circle department of gear has seted up threaded hole, the cooperation of threaded hole is connected with ball screw. The state of the electromagnetic valve is adjusted by the bidirectional electromagnetic coil and the sliding magnet, the position of the plug body is maintained by the principle of screw self-locking, the effect that the electromagnetic valve does not need to continuously provide power when being maintained in an opening state and a closing state is achieved, and the purpose of energy conservation is achieved.

Description

Low-energy-consumption two-way electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field especially relates to a two-way solenoid valve of low energy consumption.

Background

The solenoid valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is used for adjusting the direction, flow rate, speed and other parameters of a medium in an industrial control system.

The electromagnetic valves are mainly divided into direct-acting electromagnetic valves, step-by-step direct-acting electromagnetic valves and pilot-operated electromagnetic valves, when the direct-acting electromagnetic valves are electrified to work, the electromagnetic coils need to continuously apply work to the movable iron cores to compress the reset springs, so that the power consumption is high, and when the step-by-step direct-acting electromagnetic valves and the pilot-operated electromagnetic valves are electrified to work, although fluid pressure can apply part of work to the iron cores to play a role in reducing the energy consumption, the effect of reducing the energy consumption can be achieved only by certain liquid pressure, so that the application range is not wide enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides a two-way solenoid valve of low energy consumption, which comprises a valve body, sliding connection has first slip magnet in the valve body, the valve body internal fixation is provided with first solenoid, first solenoid encircles the outside that sets up at first slip magnet, sliding connection has second slip magnet in the valve body, the valve body internal fixation is provided with second solenoid, second solenoid encircles the outside that sets up at second slip magnet, the first rack of first slip magnet fixedly connected with, second slip magnet fixedly connected with second rack, valve body internal rotation is connected with the gear, the both sides of gear respectively with first rack and the meshing of second rack, the centre of a circle department of gear has seted up threaded hole, the threaded hole cooperation is connected with ball screw, ball screw's end connection has the cock body, the circulation mouth has been seted up to the valve body, the cock body cooperatees with the circulation mouth.

The technical scheme can be further perfected as follows.

It is further described that the first electromagnetic coil and the second electromagnetic coil are in a centrosymmetric position relation with the center of circle of the gear as the center.

It is further explained that the valve body is provided with an inflow port and an outflow port, the inflow port and the outflow port are both communicated with the circulation port, and the inflow port and the outflow port are both provided with interface threads.

It is further explained that the end of the plug body is in a conical shape, the flow port is in an inverted trapezoidal shape, and the end of the plug body is matched with the shape of the flow port.

It is further explained that a first sealing ring is arranged at the flow opening, a second sealing ring is fixedly sleeved on the plug body, and the first sealing ring is matched with the second sealing ring.

The utility model has the advantages that: compared with the existing electromagnetic valve, the utility model discloses utilize two-way solenoid and slip magnet to adjust the state of solenoid valve, through rack, gear and ball screw mechanism control cock body position, utilize the principle of screw rod auto-lock to maintain the position of cock body, reach the effect that the solenoid valve need not to continuously provide the power when maintaining open with the closure state, only need provide the electric energy when switching the state, effectively reduced the electric energy use of solenoid valve, reached energy-conserving purpose.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic front view of a two-way electromagnetic valve with low energy consumption according to an embodiment of the present invention.

Fig. 2 is a schematic view of a low-energy-consumption bidirectional solenoid valve according to an embodiment of the present invention.

In the figure: 1-valve body, 11-circulation port, 12-inflow port, 13-outflow port, 2-first sliding magnet, 21-first electromagnetic coil, 22-first rack, 3-second sliding magnet, 31-second electromagnetic coil, 32-second rack, 4-plug body, 5-gear, 51-threaded through hole, 6-ball screw, 7-first sealing ring, 71-second sealing ring, 8-interface thread

Detailed Description

To further understand the contents, features and functions of the present invention, the following embodiments are described.

As shown in fig. 1-2, an embodiment of the present invention provides a low-energy-consumption two-way solenoid valve, which includes a valve body 1, a first sliding magnet 2 slidably connected to the valve body 1, a first electromagnetic coil 21 fixedly disposed in the valve body 1, the first electromagnetic coil 21 disposed around the first sliding magnet 2, a second sliding magnet 3 slidably connected to the valve body 1, a second electromagnetic coil 31 fixedly disposed in the valve body 1, the second electromagnetic coil 31 disposed around the second sliding magnet 3, the first sliding magnet 2 fixedly connected to a first rack 22, the second sliding magnet 3 fixedly connected to a second rack 32, a gear 5 rotatably connected to the valve body 1, two sides of the gear 5 respectively engaged with the first rack 22 and the second rack 32, a threaded through hole 51 formed at a center of the gear 5, the threaded through hole 51 cooperatively connected to a ball screw 6, the end part of the ball screw 6 is connected with a plug body 4, the valve body 1 is provided with a circulation port 11, and the plug body 4 is matched with the circulation port 11.

The first electromagnetic coil 21 and the second electromagnetic coil 31 are in a centrosymmetric position relation with the center of the circle of the gear 5 as the center. The valve body 1 is provided with an inlet 12 and an outlet 13, the inlet 12 and the outlet 13 are both communicated with a circulation port 11, and the inlet 12 and the outlet 13 are both provided with interface threads 8. The end of the plug body 4 is conical, the flow opening 11 is inverted trapezoidal, and the end of the plug body 4 is matched with the shape of the flow opening 11. The first sealing ring 7 is arranged at the circulation port 11, the second sealing ring 71 is fixedly sleeved on the plug body 4, and the first sealing ring 7 is matched with the second sealing ring 71.

Specifically, referring to fig. 1-2, when the electromagnetic valve needs to be closed, the first electromagnetic coil 21 is energized, the first sliding magnet 2 moves leftwards under the action of electromagnetic force, the first sliding magnet 2 is fixedly connected with the first rack 22, and simultaneously drives the first rack 22 to move together, the first rack 22 is engaged with the gear 5 to drive the gear 5 to rotate, the gear 5 and the ball screw 6 form a ball screw transmission mechanism, the gear 5 rotates to drive the ball screw 6 to move downwards, the end of the ball screw 6 is fixedly connected with the plug body 4 to drive the plug body 4 to move downwards and block the flow port 11, the electromagnetic valve is closed, at this time, the first electromagnetic coil 21 is not energized, because the ball screw 6 and the ball screw 6 can only move upwards and downwards under the drive of the gear 5, the ball screw 6 is self-locked by self friction force after the first electromagnetic coil 21 is de-energized and cannot move upwards, the plug body 4 is intended to continuously plug the flow opening 11 and is kept closed without the need to supply electrical energy.

When the solenoid valve needs to be opened, the second electromagnetic coil 31 is electrified, the second sliding magnet 3 moves rightwards under the action of electromagnetic force, the second sliding magnet 3 drives the gear 5 to rotate reversely, the gear 5 drives the ball screw 6 to move upwards, the ball screw 6 drives the plug body 4 to leave the circulation port 11, the solenoid valve is opened again, the second electromagnetic coil 31 stops being electrified at the moment, the ball screw 6 and the gear 5 are subjected to self locking, the plug body 4 continuously keeps leaving the circulation port 11 state, and the opening state of the solenoid valve can be kept without providing electric energy.

Inlet port 12 and outflowing port 13 have been seted up to valve body 1, and inlet port 12 and outflowing port 13's inner wall is provided with interface screw thread 8, and inlet port 12 and outflowing port 13 all are used for connecting outside fluid pipeline, and the screw thread of inner wall department is used for carrying out threaded connection with outside fluid pipeline, reinforcing joint strength. The tip of cock body 4 is coniform, and flow port 11 is the shape of falling trapezoidal, and coniform cock body 4 helps increasing area of contact with the flow port 11 shape of falling trapezoidal for the cooperation is inseparabler, and the fluid is difficult for revealing. The circulation port 11 department is provided with first sealing washer 7, and first sealing washer 7 sets up in the outer edge of circulation port 11, and the cock body 4 periphery has cup jointed second sealing washer 71, and when the cock body 4 stopped up circulation port 11, first sealing washer 7 and the laminating of second sealing washer 71 help improving the leakproofness when the solenoid valve was closed.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A low-energy-consumption two-way electromagnetic valve is characterized in that: comprises a valve body (1), a first sliding magnet (2) is connected in the valve body (1) in a sliding manner, a first electromagnetic coil (21) is fixedly arranged in the valve body (1), the first electromagnetic coil (21) is arranged on the outer side of the first sliding magnet (2) in a surrounding manner, a second sliding magnet (3) is connected in the valve body (1) in a sliding manner, a second electromagnetic coil (31) is fixedly arranged in the valve body (1), the second electromagnetic coil (31) is arranged on the outer side of the second sliding magnet (3) in a surrounding manner, a first rack (22) is fixedly connected to the first sliding magnet (2), a second rack (32) is fixedly connected to the second sliding magnet (3), a gear (5) is connected in the valve body (1) in a rotating manner, two sides of the gear (5) are respectively meshed with the first rack (22) and the second rack (32), a threaded through hole (51) is formed in the circle center of the gear (5), the thread through hole (51) is connected with ball screw (6) in a matching manner, the end part of the ball screw (6) is connected with a plug body (4), the flow port (11) is formed in the valve body (1), and the plug body (4) is matched with the flow port (11).

2. The low energy consumption two-way solenoid valve according to claim 1, characterized in that: the first electromagnetic coil (21) and the second electromagnetic coil (31) are in a centrosymmetric position relation by taking the circle center of the gear (5) as the center.

3. The low energy consumption two-way solenoid valve according to claim 1, characterized in that: inlet opening (12) and outlet opening (13) have been seted up in valve body (1), inlet opening (12) and outlet opening (13) all communicate with outlet opening (11), inlet opening (12) and outlet opening (13) department all are provided with interface screw thread (8).

4. The low energy consumption two-way solenoid valve according to claim 1, characterized in that: the end of the plug body (4) is conical, the flow port (11) is in an inverted trapezoidal shape, and the end of the plug body (4) is matched with the shape of the flow port (11).

5. The low energy consumption two-way solenoid valve according to claim 1, characterized in that: the flow port (11) is provided with a first sealing ring (7), the plug body (4) is fixedly sleeved with a second sealing ring (71), and the first sealing ring (7) is matched with the second sealing ring (71).