CN210920131U

CN210920131U - Intelligent electric actuator

Info

Publication number: CN210920131U
Application number: CN201921450027.5U
Authority: CN
Inventors: 郭刚
Original assignee: Jiangsu Weigude Fluid Control Equipment Co ltd
Current assignee: Jiangsu Weigude Fluid Control Equipment Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-03
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses an intelligence electric actuator, including the accessory box, the top welding of accessory box inner chamber has the piston pipe, the outside bolt that the bottom of piston pipe runs through the accessory box and extends to the accessory box has connect the disk seat, the top of accessory box inner chamber and the inside fixedly connected with fixed magnet that is located the piston pipe, the surface winding of fixed magnet has the coil, the below of fixed magnet is provided with moving magnet, moving magnet's both sides all articulate there is spacing subassembly. The utility model discloses a setting of accessory box, piston pipe, disk seat, fixed magnet, coil, moving magnet, spacing subassembly, first fixed plate, spliced pole and piston plate makes intelligent electric actuator possess simple structure and long service life's advantage, and it is complicated to have solved current electric actuator structure simultaneously to when using with the cooperation of high flow rate valve, its life is obviously lower, brings very big trouble problem for high flow rate valve normal use.

Description

Intelligent electric actuator

Technical Field

The utility model relates to an executor technical field specifically is an intelligence electric actuator.

Background

The electric actuator, also called electric actuator, is mainly used for controlling valve, and is a kind of electromechanical product which can be equipped with ball valve, butterfly valve, gate valve, etc. and can use electric power to replace traditional manual control valve to make rotation so as to control flow, flow direction and flow rate of various fluids of air, water, steam, various corrosive media, mud, oil product, liquid metal and radioactive medium, etc.

The existing electric actuator is complex in structure, and when the existing electric actuator is matched with a high-flow-rate valve for use, the service life of the existing electric actuator is obviously short, great troubles are brought to normal use of the high-flow-rate valve, and therefore the intelligent electric actuator is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligence electric actuator possesses simple structure and long service life's advantage, and it is complicated to have solved current electric actuator structure to when using with the cooperation of high velocity of flow valve, its life is obviously lower, brings very big trouble problem for high velocity of flow valve normal use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligence electric actuator, includes the accessory box, the top welding of accessory box inner chamber has the piston pipe, the outside bolt that the bottom of piston pipe runs through the accessory box and extends to the accessory box has the disk seat, the top of accessory box inner chamber and the inside fixedly connected with fixed magnet who is located the piston pipe, the surface winding of fixed magnet has the coil, the below of fixed magnet is provided with moving magnet, moving magnet's both sides all articulate there is spacing subassembly, the inner wall welding of piston pipe has first fixed plate, moving magnet's bottom welding has the spliced pole, the outside welding that first fixed plate was run through to the bottom of spliced pole has the piston board to extend to first fixed plate.

Preferably, the moving magnet is a permanent magnet, the positive pole of the moving magnet is located above, the negative pole of the moving magnet is located below, and the fixed magnet and the moving magnet are matched for use.

Preferably, the spacing subassembly includes the sleeve pipe, sheathed tube inner chamber sliding connection has the fly leaf, the outside welding of fly leaf has the spring, the one end and the sheathed tube inner wall welding of fly leaf are kept away from to the spring, the inboard welding of fly leaf has the movable rod, the one end that the movable rod kept away from the fly leaf runs through the sleeve pipe and extends to the sheathed tube outside and the surface of moving magnet articulated.

Preferably, the surface of the piston plate is sleeved with two Gray rings, the surface of each Gray ring is in contact with the inner wall of the piston tube, and the number of the Gray rings is two.

Preferably, the bottom welding of piston plate has the valve rod, the welding of the below that the inner wall of piston pipe just is located the piston plate has the second fixed plate, the outside welding that the bottom of valve rod runs through the second fixed plate and extends to the second fixed plate has the case, the bottom of piston plate and the both sides that are located the valve rod all weld branch, the bottom of branch runs through the second fixed plate and extends to the outside of second fixed plate and the top welding of case.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of accessory box, piston pipe, disk seat, fixed magnet, coil, moving magnet, spacing subassembly, first fixed plate, spliced pole and piston plate makes intelligent electric actuator possess simple structure and long service life's advantage, and it is complicated to have solved current electric actuator structure simultaneously to when using with the cooperation of high flow rate valve, its life is obviously lower, brings very big trouble problem for high flow rate valve normal use.

2. The utility model discloses a setting of moving magnet and fixed magnet, can be through the principle that homopolar repulsion heteropolar looks are inhaled, come to apply the effort to the piston plate, make it can drive the case motion, thereby accomplish opening and shutting of valve, setting through spacing subassembly, can carry on spacingly to the activity orbit of moving magnet, make it be in the top of first fixed plate all the time, or be located the bottom of fixed magnet, thereby increase the response speed of this executor, setting through the glyd circle, can increase the leakproofness between piston plate and the piston pipe, prevent that the inside liquid of disk seat from permeating to the accessory box, setting through valve rod and case, can control opening and shutting of disk seat, setting through branch, can increase the firm degree between piston pipe and the case, avoid under the high velocity of flow condition, the case produces the skew.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the valve cartridge of the present invention;

fig. 3 is a partial front sectional view of the sleeve of the present invention.

In the figure: 1. an accessory case; 2. a piston tube; 3. a valve seat; 4. fixing a magnet; 5. a coil; 6. a moving magnet; 7. a limiting component; 71. a sleeve; 72. a movable plate; 73. a spring; 74. a movable rod; 8. a first fixing plate; 9. connecting columns; 10. a piston plate; 11. a Glare circle; 12. a valve stem; 13. a valve core; 14. a strut; 15. and a second fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an intelligent electric actuator comprises an accessory box 1, a piston tube 2 welded on the top of the inner cavity of the accessory box 1, a valve seat 3 bolted on the outside of the accessory box 1 and the bottom of the piston tube 2 penetrating the accessory box 1, a fixed magnet 4 fixedly connected on the top of the inner cavity of the accessory box 1 and inside the piston tube 2, a coil 5 wound on the surface of the fixed magnet 4, a moving magnet 6 arranged below the fixed magnet 4, a spacing assembly 7 hinged on both sides of the moving magnet 6, a first fixing plate 8 welded on the inner wall of the piston tube 2, a connecting column 9 welded on the bottom of the moving magnet 6, a piston plate 10 welded on the outside of the first fixing plate 8 and the bottom of the connecting column 9 penetrating the first fixing plate 8, the moving magnet 6 is a permanent magnet, the positive pole of the moving magnet 6 is located above and the negative pole is located below, the fixed magnet 4 and the moving magnet 6 are used in cooperation, through the arrangement of the moving magnet 6 and the fixed magnet 4, acting force can be applied to the piston plate 10 by the principle that like poles repel and unlike poles attract, so that the piston plate can drive the valve core 13 to move, thereby completing the opening and closing of the valve, the limiting assembly 7 comprises a sleeve 71, a moving plate 72 is connected to the inner cavity of the sleeve 71 in a sliding manner, a spring 73 is welded on the outer side of the moving plate 72, one end of the spring 73, which is far away from the moving plate 72, is welded with the inner wall of the sleeve 71, a moving rod 74 is welded on the inner side of the moving plate 72, one end of the moving rod 74, which is far away from the moving plate 72, penetrates through the sleeve 71 and extends to the outer part of the sleeve 71 to be hinged with the surface of the moving magnet 6, through the arrangement of the limiting assembly 7, the moving track of the moving magnet 6 can be limited, so that the moving magnet is always positioned at the top of the first fixing, the surface of the GREEN 11 is contacted with the inner wall of the piston tube 2, the number of the GREEN 11 is two, through the arrangement of the GREEN 11, the sealing performance between the piston plate 10 and the piston tube 2 can be increased, liquid inside the valve seat 3 is prevented from permeating into the accessory box 1, the valve rod 12 is welded at the bottom of the piston plate 10, the second fixing plate 15 is welded at the inner wall of the piston tube 2 and below the piston plate 10, the valve core 13 is welded at the bottom of the valve rod 12, which penetrates through the second fixing plate 15, and extends to the outside of the second fixing plate 15, the support rods 14 are welded at the bottom of the piston plate 10 and at the two sides of the valve rod 12, the bottom of the support rod 14 penetrates through the second fixing plate 15, and extends to the outside of the second fixing plate 15 to be welded with the top of the valve core 13, through the arrangement of the valve rod 12 and the valve core 13, the opening and closing of the valve seat 3 can, avoid under the high velocity of flow condition, case 13 produces the skew, through accessory box 1, piston pipe 2, disk seat 3, decide magnet 4, coil 5, move magnet 6, spacing subassembly 7, first fixed plate 8, the setting of spliced pole 9 and piston board 10, make intelligent electric actuator possess simple structure and long service life's advantage, it is complicated to have solved current electric actuator structure simultaneously, and when using with the cooperation of high velocity of flow valve, its life is obviously lower, bring very big troublesome problem for high velocity of flow valve normal use.

When the actuator is used, an external power supply supplies power to the coil 5, and the external relay controls the circuit of the coil 5 to be opened and closed, when the coil 5 is electrified, the lower part of the fixed magnet 4 is the positive pole, because the positive pole of the moving magnet 6 is positioned above, according to the principle that like poles repel, the moving magnet 6 can generate a downward acting force, and when the moving magnet 6 moves downwards, the spring 73 is firstly in a compressed state, when the moving magnet 6 crosses the sleeve 71, the reaction force of the spring 73 can push the movable plate 72 to move, the movable plate 72 pushes the movable rod 74 to move, the movable rod 74 drives the moving magnet 6 to accelerate to move downwards, so as to increase the response speed of the actuator, and when the moving magnet 6 moves downwards, the connecting column 9 can push the piston plate 10 to move downwards, the piston plate 10 pushes the valve rod 12 and the supporting rod 14 to move downwards, valve rod 12 and branch 14 impel case 13 and move down, case 13 makes disk seat 3 be in the closed state, liquid can not circulate this moment, and the current flow direction accessible peripheral relay of coil 5 changes, when the current flow direction of coil 5 changes, the below of fixed magnet 4 is the negative pole, thereby attract moving magnet 6, thereby make case 13 rebound, make disk seat 3 be the state of opening, so that liquid passes through, this electric actuator simple structure, and inside contains the reinforcement subassembly, long service life, consequently, can use with the cooperation of high flow rate valve, be worth very promoting.

Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent electric actuator, includes accessory box (1), its characterized in that: the top welding of accessory box (1) inner chamber has piston pipe (2), the bottom of piston pipe (2) runs through accessory box (1) and extends to the outside bolt joint of accessory box (1) has disk seat (3), the inside fixedly connected with fixed magnet (4) of accessory box (1) inner chamber and being located piston pipe (2), the surface winding of fixed magnet (4) has coil (5), the below of fixed magnet (4) is provided with moving magnet (6), the both sides of moving magnet (6) all articulate there is spacing subassembly (7), the inner wall welding of piston pipe (2) has first fixed plate (8), the bottom welding of moving magnet (6) has spliced pole (9), the outside welding that the bottom of spliced pole (9) runs through first fixed plate (8) and extends to first fixed plate (8) has piston plate (10).

2. An intelligent electric actuator as claimed in claim 1, wherein: the moving magnet (6) is a permanent magnet, the positive pole of the moving magnet (6) is located above, the negative pole of the moving magnet is located below, and the fixed magnet (4) is matched with the moving magnet (6) for use.

3. An intelligent electric actuator as claimed in claim 1, wherein: spacing subassembly (7) include sleeve pipe (71), the inner chamber sliding connection of sleeve pipe (71) has fly leaf (72), the outside welding of fly leaf (72) has spring (73), the one end that fly leaf (72) were kept away from in spring (73) and the inner wall welding of sleeve pipe (71), the inboard welding of fly leaf (72) has movable rod (74), the one end that fly leaf (72) were kept away from in movable rod (74) runs through sleeve pipe (71) and extends to the outside of sleeve pipe (71) and the surface hinge of moving magnet (6).

4. An intelligent electric actuator as claimed in claim 1, wherein: the surface of the piston plate (10) is sleeved with the Grey circle (11), the surface of the Grey circle (11) is in contact with the inner wall of the piston tube (2), and the number of the Grey circles (11) is two.

5. An intelligent electric actuator as claimed in claim 1, wherein: the welding of the bottom of piston board (10) has valve rod (12), the welding of the below that the inner wall of piston pipe (2) just is located piston board (10) has second fixed plate (15), the outside welding that the bottom of valve rod (12) runs through second fixed plate (15) and extends to second fixed plate (15) has case (13), the bottom of piston board (10) and the both sides that are located valve rod (12) all weld branch (14), the bottom of branch (14) runs through second fixed plate (15) and extends to the outside of second fixed plate (15) and the top welding of case (13).