CN112576764A

CN112576764A - Two-way electromagnetic valve

Info

Publication number: CN112576764A
Application number: CN202011445917.4A
Authority: CN
Inventors: 徐连军; 王生顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-30

Abstract

The invention relates to the technical field of electromagnetic valves, in particular to a bidirectional electromagnetic valve. The bidirectional electromagnetic valve comprises an electromagnetic head; the valve body is arranged on the bottom side of the electromagnetic head; a motor mounted to the electromagnetic head; the screw rod is arranged on an output shaft of the motor; the sleeve rod is sleeved on the screw rod in a threaded manner, and the bottom end of the sleeve rod extends into the valve body; the first oil port is arranged on one side of the valve body; the first oil port and the second oil port are communicated with a channel through a placing groove, and the placing groove is communicated with the channel; the connecting column is installed at the bottom end of the loop bar, and the bottom end of the connecting column penetrates through the channel and extends into the placing groove. The bidirectional electromagnetic valve provided by the invention has the advantages of simple structure, convenience in use and convenience in replacing sealing elements.

Description

Two-way electromagnetic valve

Technical Field

The invention relates to the technical field of electromagnetic valves, in particular to a bidirectional electromagnetic valve.

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.

Have inclosed chamber in the solenoid valve, it has the through-hole to open in the different positions, different oil pipe of every jogged joint, be the piston in the middle of the chamber, the two sides is two electro-magnets, which side's magnet coil circular telegram valve body will be attracted which side, open or close different oil discharge hole through the removal of control valve body, and the inlet port is normally open, and hydraulic oil will get into different oil extraction pipes, then the piston that promotes the hydro-cylinder through the pressure of oil, the piston drives the piston rod again, the piston rod drives mechanical device. Thus, the mechanical movement is controlled by controlling the current on-off of the electromagnet.

The two-way solenoid valve on the market generally all has two valve discs, consequently requires extremely high to the processing and assembly condition of two valve discs, otherwise is unfavorable for the sealed of medium, makes the structure of solenoid valve more complicated, and has improved manufacturing cost. In addition, if one of the two valve discs is damaged, leakage of media can occur, so that the work is unreliable, and the sealing element in the existing electromagnetic valve is not easy to replace.

Therefore, there is a need to provide a new two-way solenoid valve to solve the above technical problems.

Disclosure of Invention

The invention solves the technical problem of providing the two-way electromagnetic valve which has simple structure, convenient use and convenient replacement of a sealing element.

In order to solve the above technical problem, the present invention provides a two-way solenoid valve comprising: an electromagnetic head; the valve body is arranged on the bottom side of the electromagnetic head; the motor is arranged on the electromagnetic head; the screw rod is arranged on an output shaft of the motor; the sleeve rod is sleeved on the screw rod in a threaded manner, and the bottom end of the sleeve rod extends into the valve body; the first oil port is arranged on one side of the valve body; the second oil port is arranged on the other side of the valve body, the first oil port and the second oil port are communicated with a channel through a placing groove, and the placing groove is communicated with the channel; the spliced pole is installed the bottom of loop bar, the bottom of spliced pole runs through the passageway and extends to in the standing groove, the cover is equipped with the sealing member on the spliced pole, the sealing member is located in the standing groove.

Preferably, the inner walls of the two sides of the electromagnetic head are fixedly provided with slide rails, the two sides of the loop bar are fixedly provided with slide blocks, and the slide blocks are connected with the slide rails in a sliding manner.

Preferably, the bottom side of the valve body is provided with an access hole, and a sealing cover is installed in the access hole in a threaded mode.

Preferably, the sealing element comprises a valve disc, a sealing ring is mounted on the valve disc, and the sealing ring is connected with the passage in a sealing mode.

Preferably, the bottom end of the connecting column is provided with a pressing block, and the pressing block is in contact with the valve disc.

Preferably, a mounting groove is formed in the top side of the pressing block, a mounting block is fixedly mounted at the bottom end of the connecting column, the mounting block is matched with the mounting groove, a through hole is formed in the inner wall of one side of the mounting groove, a clamping rod is slidably mounted in the through hole, a clamping groove is formed in one side of the mounting block, the clamping groove is clamped with the clamping rod, a screw rod is rotatably mounted in the through hole and in threaded sleeve joint with the clamping rod, and a handle is fixedly mounted outside the through hole and at one end of the screw rod.

Preferably, the inner wall of the top side and the inner wall of the bottom side of the through hole are both provided with a limiting groove, the top side and the bottom side of the clamping rod are both fixedly provided with limiting blocks, and the limiting blocks are in sliding connection with the limiting grooves.

Preferably, a bearing is installed in the through hole, and an inner ring of the bearing is fixedly sleeved with the screw rod.

Preferably, a limiting ring is fixedly sleeved on the connecting column and is in contact with the sealing element.

Preferably, the inner walls of the two sides of the mounting groove are provided with positioning grooves, the bottom sides of the positioning grooves are provided with openings, positioning blocks are fixedly mounted on the two sides of the mounting block, and the positioning blocks are matched with the positioning grooves.

Compared with the related art, the bidirectional electromagnetic valve provided by the invention has the following beneficial effects:

the invention provides a two-way electromagnetic valve, which moves a valve disc through a motor and a screw rod, and is more stable in moving and positioning compared with the traditional electromagnetic power-on driving; only one valve disc is arranged, so that the difficulty requirements of the machining and assembling conditions of the valve disc are reduced, the sealing of a medium is facilitated, the structure of the electromagnetic valve is simpler, and the production cost is reduced; the valve disc is convenient to extend out of the valve body through the arrangement of the access hole, the valve disc is convenient to overhaul and the sealing ring on the valve disc is convenient to replace regularly, and the sealing performance of the valve disc is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of a two-way solenoid valve provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of part A1 shown in FIG. 2;

FIG. 4 is a schematic structural view of the compact shown in FIG. 2;

fig. 5 is a schematic structural view of the mounting block shown in fig. 2.

Reference numbers in the figures: 1. the electromagnetic head, 2, the valve body, 3, the motor, 4, the lead screw, 5, the loop bar, 6, the slide rail, 7, the slider, 8, first hydraulic fluid port, 9, the second hydraulic fluid port, 10, the access hole, 11, sealed lid, 12, the standing groove, 13, the passageway, 14, the spliced pole, 15, the spacing ring, 16, the valve disc, 17, the sealing washer, 18, the compact heap, 19, the mounting groove, 20, the installation piece, 21, the through-hole, 22, the screw rod, 23, the kelly, 24, the handle, 25, the bearing, 26, the stopper, 27, the spacing groove, 28, the draw-in groove, 29, the constant head tank, 30, the locating piece.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

The first embodiment:

referring to fig. 1-3, in a first embodiment of the present invention, a two-way solenoid valve includes: an electromagnetic head 1; the valve body 2 is mounted on the bottom side of the electromagnetic head 1; the motor 3 is arranged on the electromagnetic head 1; the screw rod 4 is arranged on an output shaft of the motor 3; the sleeve rod 5 is sleeved on the screw rod 4 in a threaded manner, and the bottom end of the sleeve rod 5 extends into the valve body 2; the first oil port 8 is arranged at one side of the valve body 2; the second oil port 9 is arranged at the other side of the valve body 2, the first oil port 8 and the second oil port 9 are communicated with a channel 13 through a placing groove 12, and the placing groove 12 is communicated with the channel 13; a connecting column 14 is installed at the bottom end of the loop bar 5, the bottom end of the connecting column 14 penetrates through the channel 13 and extends into the placing groove 12, and a sealing element is sleeved on the connecting column 14 and is located in the placing groove 12.

Equal fixed mounting has slide rail 6 on the both sides inner wall of electromagnetism head 1, the equal fixed mounting in both sides of loop bar 5 has slider 7, slider 7 with slide rail 6 sliding connection carries on spacingly to loop bar 5, prevents that loop bar 5 from rotating along with lead screw 4 together.

The bottom side of the valve body 2 is provided with an access hole 10, and a sealing cover 11 is installed in the access hole 10 in a threaded mode, so that the valve disc 16 can be conveniently overhauled and the sealing ring 17 can be conveniently replaced.

The sealing element comprises a valve disc 16, a sealing ring 17 is mounted on the valve disc 16, and the sealing ring 17 is in sealing connection with the channel 13, so that the sealing property is ensured, and medium leakage is prevented.

The bottom end of the connecting column 14 is provided with a pressing block 18, the pressing block 18 is in contact with the valve disc 16 to limit the valve disc 16, and the stability and firmness of the valve disc 16 are ensured.

Mounting groove 19 has been seted up to compact heap 18's top side, the bottom fixed mounting of spliced pole 14 has installation piece 20, installation piece 20 with mounting groove 19 looks adaptation, through-hole 21 has been seted up on one side inner wall of mounting groove 19, slidable mounting has kelly 23 in the through-hole 21, draw-in groove 28 has been seted up to one side of installation piece 20, draw-in groove 28 with kelly 23 clamps mutually, screw rod 22 is installed to the through-hole 21 internal rotation, screw rod 22 with kelly 23 threaded sleeve connects, the one end of screw rod 22 extends to outside and fixed mounting of through-hole 21 has handle 24, is convenient for install and dismantle compact heap 18, is convenient for change sealing washer 17.

Limiting grooves 27 are formed in the inner wall of the top side and the inner wall of the bottom side of the through hole 21, limiting blocks 26 are fixedly mounted on the top side and the bottom side of the clamping rod 23, the limiting blocks 26 are connected with the limiting grooves 27 in a sliding mode to limit the clamping rod 23, and the clamping rod 23 is prevented from rotating along with the screw rod 22.

And a bearing 25 is arranged in the through hole 21, and an inner ring of the bearing 25 is fixedly sleeved with the screw rod 22 to support the screw rod 22 and ensure that the screw rod 22 stably rotates.

A limiting ring 15 is fixedly sleeved on the connecting column 14, the limiting ring 15 is in contact with the sealing element, and the valve disc 16 is limited through a pressing block 18 and the limiting ring 15.

The working principle of the bidirectional electromagnetic valve provided by the invention is as follows:

firstly, when the first oil port 8 and the second oil port 9 need to be communicated, the motor 3 is started, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the loop bar 5 to move, the loop bar 5 drives the valve disc 16 to move, the channel 13 is opened at the moment, and the first oil port 8 is communicated with the second oil port 9; when needing to overhaul valve disc 16 and change sealing washer 17, rotate sealed lid 11, open ginger scarfing 10, starter motor 3, like the reason loop bar 5 drive valve disc 16 and extend to outside valve body 2 through manhole 10, when needing to change sealing washer 17, rotate handle 24, handle 24 drives screw rod 22 and rotates, screw rod 22 drives kelly 23 and removes, when kelly 23 breaks away from draw-in groove 28, can take off compact heap 18, valve disc 16 detachable valve disc this moment, install 16 after changing sealing washer 17.

the invention provides a two-way electromagnetic valve, which moves a valve disc 16 through a motor 3 and a screw rod 4, and compared with the traditional electromagnetic power-on driving, the two-way electromagnetic valve is more stable in moving and positioning; only one valve disc is arranged, so that the difficulty requirements of the machining and assembling conditions of the valve disc are reduced, the sealing of a medium is facilitated, the structure of the electromagnetic valve is simpler, and the production cost is reduced; through setting up access hole 10 be convenient for extend valve disc 16 outside valve body 2, be convenient for overhaul valve disc 16 and carry out periodic replacement to the sealing washer on the valve disc 16, guarantee the leakproofness of valve disc 16.

Second embodiment:

referring to fig. 1-5, the two-way solenoid valve includes: an electromagnetic head 1; the valve body 2 is mounted on the bottom side of the electromagnetic head 1; the motor 3 is arranged on the electromagnetic head 1; the screw rod 4 is arranged on an output shaft of the motor 3; the sleeve rod 5 is sleeved on the screw rod 4 in a threaded manner, and the bottom end of the sleeve rod 5 extends into the valve body 2; the first oil port 8 is arranged at one side of the valve body 2; the second oil port 9 is arranged at the other side of the valve body 2, the first oil port 8 and the second oil port 9 are communicated with a channel 13 through a placing groove 12, and the placing groove 12 is communicated with the channel 13; a connecting column 14 is installed at the bottom end of the loop bar 5, the bottom end of the connecting column 14 penetrates through the channel 13 and extends into the placing groove 12, and a sealing element is sleeved on the connecting column 14 and is located in the placing groove 12.

Positioning grooves 29 are formed in the inner walls of the two sides of the mounting groove 19, the bottom sides of the positioning grooves 29 are provided with openings, positioning blocks 30 are fixedly mounted on the two sides of the mounting block 20, and the positioning blocks 30 are matched with the positioning grooves 28.

Firstly, when the first oil port 8 and the second oil port 9 need to be communicated, the motor 3 is started, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the loop bar 5 to move, the loop bar 5 drives the valve disc 16 to move, the channel 13 is opened at the moment, and the first oil port 8 is communicated with the second oil port 9; when the valve disc 16 needs to be overhauled and the sealing ring 17 needs to be replaced, the sealing cover 11 is rotated, the ginger cup 10 is opened, the motor 3 is started, the sleeve rod 5 drives the valve disc 16 to extend out of the valve body 2 through the overhauling hole 10, when the sealing ring 17 needs to be replaced, the handle 24 is rotated, the handle 24 drives the screw rod 22 to rotate, the screw rod 22 drives the clamping rod 23 to move, when the clamping rod 23 is separated from the clamping groove 28, the pressing block 18 can be taken down, the valve disc 16 can be removed at the moment, and the sealing ring 17 is replaced and then the valve disc 16 is installed; the positioning block 30 and the positioning groove 28 position the mounting block 30, so that the clamping rod 23 is conveniently matched with the clamping groove 28.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A two-way solenoid valve, comprising: the electromagnetic valve comprises an electromagnetic head (1) and a valve body (2), wherein the valve body (2) is installed on the bottom side of the electromagnetic head (1); the motor (3) is arranged on the electromagnetic head (1); the screw rod (4) is arranged on an output shaft of the motor (3); the sleeve rod (5) is sleeved on the screw rod (4) in a threaded manner, and the bottom end of the sleeve rod (5) extends into the valve body (2); the first oil port (8) is arranged on one side of the valve body (2); the second oil port (9) is arranged on the other side of the valve body (2), the first oil port (8) and the second oil port (9) are communicated with a channel (13) through a placing groove (12), and the placing groove (12) is communicated with the channel (13); a connecting column (14) is installed at the bottom end of the loop bar (5), the bottom end of the connecting column (14) penetrates through the channel (13) and extends into the placing groove (12), a sealing element is sleeved on the connecting column (14), and the sealing element is located in the placing groove (12).

2. The two-way electromagnetic valve according to claim 1, wherein sliding rails (6) are fixedly mounted on inner walls of two sides of the electromagnetic head (1), sliding blocks (7) are fixedly mounted on two sides of the loop bar (5), and the sliding blocks (7) are slidably connected with the sliding rails (6).

3. The two-way solenoid valve according to claim 1, characterized in that the valve body (2) has a manhole (10) opened on the bottom side, and a sealing cover (11) is installed in the manhole (10) through internal threads.

4. A two-way solenoid valve according to claim 1, characterised in that said seal comprises a disc (16), a sealing ring (17) being mounted on said disc (16), said sealing ring (17) being sealingly connected to the passage (13).

5. A two-way solenoid valve according to claim 1, characterised in that the bottom end of the connecting post (14) is fitted with a hold-down block (18), the hold-down block (18) being in contact with the valve disk (16).

6. The two-way electromagnetic valve according to claim 5, characterized in that a mounting groove (19) is formed in the top side of the pressing block (18), a mounting block (20) is fixedly mounted at the bottom end of the connecting column (14), the mounting block (20) is matched with the mounting groove (19), a through hole (21) is formed in the inner wall of one side of the mounting groove (19), a clamping rod (23) is slidably mounted in the through hole (21), a clamping groove (28) is formed in one side of the mounting block (20), the clamping groove (28) is clamped with the clamping rod (23), a screw rod (22) is rotatably mounted in the through hole (21), the screw rod (22) is in threaded sleeve connection with the clamping rod (23), and one end of the screw rod (22) extends out of the through hole (21) and is fixedly mounted with a handle (24).

7. The two-way electromagnetic valve according to claim 6, wherein the through hole (21) is provided with a limiting groove (27) on the inner wall of the top side and the inner wall of the bottom side, the clamping rod (23) is fixedly provided with a limiting block (26) on the top side and the bottom side, and the limiting block (26) is connected with the limiting groove (27) in a sliding manner.

8. The two-way electromagnetic valve according to claim 6, characterized in that a bearing (25) is installed in the through hole (21), and an inner ring of the bearing (25) is fixedly sleeved with the screw rod (22).

9. The two-way solenoid valve according to claim 1, characterized in that a stop collar (15) is fixed to said connecting post (14), said stop collar (15) being in contact with said seal.

10. The two-way solenoid valve according to claim 1, wherein the mounting groove (19) has positioning grooves (29) formed on inner walls of two sides thereof, the positioning grooves (29) have openings at bottom sides thereof, positioning blocks (30) are fixedly mounted on two sides of the mounting block (20), and the positioning blocks (30) are adapted to the positioning grooves (28).