CN210484628U

CN210484628U - Electromagnetic valve for refrigerating system

Info

Publication number: CN210484628U
Application number: CN201921394405.2U
Authority: CN
Inventors: 薛建军
Original assignee: Anhui Tianhao Refrigeration Equipment Co Ltd
Current assignee: Anhui Tianhao Refrigeration Equipment Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-08
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a solenoid valve for refrigerating system belongs to solenoid valve technical field, including automatically controlled subassembly and disk seat, automatically controlled subassembly with through fixing bolt swing joint between the disk seat, automatically controlled subassembly include with external circuit electric connection's solenoid, solenoid's mid-mounting has decides the iron core, it passes through spring coupling lift valve rod to decide the iron core, lift valve rod's bottom installation is used for control the valve block that the disk seat opened and shut, lift valve rod include with the iron core that moves that the spring is connected, move the bottom of iron core and connect the rubber pole through the connecting seat, the rubber pole with the valve block is connected, the inside of connecting seat is equipped with the cavity, is equipped with thermal-insulated packing in the cavity. Be the structure that has thermal-insulated function through one section setting with the lifting valve rod with the disk seat contact, can completely cut off the high temperature transmission in the disk seat and give automatically controlled subassembly, avoid high temperature to influence the magnetism of electro-magnet to improve the automatically controlled effect of solenoid valve.

Description

Electromagnetic valve for refrigerating system

Technical Field

The utility model relates to a solenoid valve technical field, in particular to solenoid valve for refrigerating system.

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. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.

Sometimes can use the highly compressed refrigerant of solenoid valve control high temperature to carry in refrigerating system, therefore the inside temperature of disk seat is higher, the unable isolated disk seat of traditional solenoid valve and the temperature transmission between the electro-magnet, the magnetism of electro-magnet is influenced easily to high temperature, lead to the lift valve rod to go up and down obstructed, influence the function that opens and shuts of disk seat, and an organic whole structure or internal connection structure are complicated between traditional electro-magnet and the disk seat, inconvenient dismantlement is maintained when breaking down, need whole change solenoid valve, improve use cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is just in order to solve the magnetism that the high temperature of above-mentioned solenoid valve lift valve rod easy transmission disk seat influences the electro-magnet and lead to opening and shutting obstructed and disk seat and the inconvenient dismantlement of automatically controlled subassembly, the problem of change and maintenance not convenient for provides a solenoid valve for refrigerating system, and it is good to have lift valve rod heat-proof quality, is difficult for influencing the magnetism of electro-magnet during transmission high temperature refrigerant, the advantage of convenient to detach maintenance.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a solenoid valve for refrigerating system, including automatically controlled subassembly and disk seat, automatically controlled subassembly with through fixing bolt swing joint between the disk seat, automatically controlled subassembly include with external circuit electric connection's solenoid, solenoid's mid-mounting has fixed iron core, fixed iron core passes through spring coupling lift valve rod, lift valve rod's bottom installation is used for control the valve block that the disk seat opened and shut, lift valve rod include with the movable iron core that the spring is connected, the bottom that moves iron core is through connecting seat connection rubber pole, rubber pole with the valve block is connected, the inside of connecting seat is equipped with the cavity, is equipped with thermal-insulated packing in the cavity.

Preferably, the bottom of the movable iron core is provided with a threaded connector, and a threaded groove and a threaded connector are arranged in the connecting seat and are in threaded connection.

Preferably, the thermal insulation filling is glass fiber, foam plastic, superfine glass wool or high silicon cotton.

Preferably, an inlet cavity and an outlet cavity are arranged inside the valve seat, and connecting flanges are arranged on the outer walls of the inlet cavity and the outlet cavity.

Preferably, the inlet chamber and the outlet chamber are communicated with each other through a communication hole, and the valve plate slides with the communication hole piston.

Preferably, a sliding hole is arranged above the communicating hole, the movable iron core is connected with the sliding hole in a sliding mode, and the inner diameter of the sliding hole is larger than that of the communicating hole.

Preferably, a sealing ring is sleeved on a contact surface of the sliding hole and the movable iron core.

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

1. be the structure that has thermal-insulated function through one section setting with the lift valve rod and disk seat contact, rubber pole and the inside thermal-insulated packing of connecting seat can completely cut off the high temperature transmission in the disk seat and give automatically controlled subassembly, avoid the magnetism of high temperature influence electro-magnet, thereby improve the automatically controlled effect of solenoid valve, and the connecting seat passes through threaded connection with moving the iron core, make things convenient for the dismantlement of the two, thermal-insulated packing is in the inside cavity of connecting seat, dismantle the connecting seat with move the iron core after, can expose thermal-insulated packing, can select different thermal-insulated packing to insulate against heat, the maintenance of the lift valve rod of being.

2. Through with automatically controlled subassembly and disk seat bolted connection, the separation of automatically controlled subassembly and disk seat of being convenient for, the internal diameter of the intercommunicating pore of disk seat is less than the internal diameter of sliding hole moreover, consequently can conveniently take the lift valve rod out the disk seat, even this solenoid valve breaks down also can conveniently dismantle disk seat and automatically controlled subassembly and change or maintain, the maintenance cost is practiced thrift in the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is a side view of the valve seat structure of the present invention.

Fig. 3 is the schematic view of the connection structure of the lifting valve rod of the present invention.

In the figure: 1. the device comprises an electric control assembly, 2, a valve seat, 3, an inlet cavity, 4, an outlet cavity, 5, an electromagnetic coil, 6, a fixed iron core, 7, a spring, 8, a lifting valve rod, 9, a valve plate, 10, a fixing bolt, 11, a sliding hole, 12, a sealing ring, 13, a communication hole, 14, a movable iron core, 15, a threaded joint, 16, a connecting seat, 17, heat insulation filling, 18 and a rubber rod.

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 electromagnetic valve for a refrigeration system includes an electronic control assembly 1 and a valve seat 2, the electronic control assembly 1 is movably connected to the valve seat 2 through a fixing bolt 10, the electronic control assembly 1 includes an electromagnetic coil 5 electrically connected to an external circuit, a fixed iron core 6 is installed in the middle of the electromagnetic coil 5, the fixed iron core 6 is connected to a lift valve rod 8 through a spring 7, a valve plate 9 for controlling opening and closing of the valve seat 2 is installed at the bottom end of the lift valve rod 8, the lift valve rod 8 includes a movable iron core 14 connected to the spring 7, the bottom end of the movable iron core 14 is connected to a rubber rod 18 through a connecting seat 16, the rubber rod 18 is connected to the valve plate 9, a cavity is formed inside the connecting seat 16, heat insulation filler 17 is installed in the cavity, the valve seat 2 is used for conveying high-pressure and high-temperature refrigerants in the refrigeration system, when solenoid 5 circular telegram, decide iron core 6 has magnetic adsorption lift valve rod 8, valve block 9 rises, open disk seat 2, can carry the refrigerant this moment, when solenoid 5 outage, decide iron core 6 magnetism disappearance, spring 7 promotes lift valve rod 8 and descends, valve block 9 closes again that disk seat 2 refrigerant can't be carried, valve block 9 adopts rubber pole 18 and moves the iron core 14 contact, and move the inside thermal-insulated packing 17 that still is equipped with of iron core 14 and the connecting seat 16 of rubber pole 18, thermal-insulated packing 17 and rubber pole 18 play isolated thermal effect, avoid the inside high temperature of disk seat 2 to influence the magnetism of electro-magnet, influence lift valve rod 8 magnetism.

The bottom end of the movable iron core 14 is provided with a threaded connector 15, a threaded groove and the threaded connector 15 are arranged in the connecting seat 16 and are in threaded connection, the connecting seat 16 can be conveniently taken down from the movable iron core 14 through threaded connection, heat insulation filling 17 is convenient to fill, the heat insulation filling 17 is made of glass fiber, foamed plastic, superfine glass wool or high-silicon cotton, the connecting seat 16 can be opened to fill heat insulation filling 17 made of different materials according to requirements, the heat insulation filling 17 is more economical and flexible, and is also convenient to replace, an inlet cavity 3 and an outlet cavity 4 are arranged in the valve seat 2, connecting flanges are arranged on the outer walls of the inlet cavity 3 and the outlet cavity 4, the inlet cavity 3 is used for entering high-temperature and high-pressure refrigerant, the outlet cavity 4 is used for discharging the high-temperature and high-pressure refrigerant to realize a conveying function, the inlet cavity 3 and the outlet cavity 4 are mutually communicated through, the movable iron core 14 is connected with the sliding hole 11 in a sliding mode, the inner diameter of the sliding hole 11 is larger than that of the communicating hole 13, a sealing ring 12 is sleeved on the contact surface of the sliding hole 11 and the movable iron core 14, the communicating hole 13 provides a movable space for the valve sheet 9, when the valve sheet 9 leaves the communicating hole 13, the inlet cavity 3 and the outlet cavity 4 are communicated with each other to convey refrigerants, when the valve sheet 9 is inserted into the communicating hole 13, the inlet cavity 3 and the outlet cavity 4 are not communicated with each other and cannot convey the refrigerants, the sliding hole 11 facilitates sliding of the movable iron core 14, the sealing ring 12 can prevent the refrigerants inside the valve seat 2 from entering the electronic control assembly 1, and the sliding hole 11 is larger than the communicating hole 13 to facilitate the whole lifting valve rod 8 to be.

The utility model discloses a theory of operation: the inlet of the refrigerant pipeline is connected to the inlet cavity 3 of the valve seat 2, the outlet of the refrigerant pipeline is in contact with the outlet cavity 4 of the valve seat 2, when the electromagnetic coil 5 of the electric control assembly 1 is electrified, the fixed iron core 6 has magnetism, the movable iron core 14 is adsorbed to rise, at the moment, the valve plate 9 leaves the communicating hole 13, the inlet cavity 3 and the outlet cavity 4 are conducted to convey the refrigerant, when the electromagnetic coil 5 is powered off, the magnetism of the fixed iron core 6 disappears, the spring 7 pushes the movable iron core 14 to descend, the valve plate 9 is clamped into the communicating hole 13 again, at the moment, the inlet cavity 3 and.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a solenoid valve for refrigerating system, includes automatically controlled subassembly (1) and disk seat (2), its characterized in that: automatically controlled subassembly (1) with through fixing bolt (10) swing joint between disk seat (2), automatically controlled subassembly (1) include solenoid (5) with external circuit electric connection, the mid-mounting of solenoid (5) has decides iron core (6), decide iron core (6) and connect lift valve rod (8) through spring (7), the bottom installation of lift valve rod (8) is used for control valve block (9) that disk seat (2) opened and shut, lift valve rod (8) include with the movable iron core (14) that spring (7) are connected, rubber pole (18) are connected through connecting seat (16) to the bottom of movable iron core (14), rubber pole (18) with valve block (9) are connected, the inside of connecting seat (16) is equipped with the cavity, is equipped with thermal-insulated packing (17) in the cavity.

2. An electromagnetic valve for a refrigerating system as set forth in claim 1, wherein: the bottom end of the movable iron core (14) is provided with a threaded joint (15), and a threaded groove is arranged in the connecting seat (16) and is in threaded connection with the threaded joint (15).

3. An electromagnetic valve for a refrigerating system as set forth in claim 1, wherein: the heat insulation filling (17) is glass fiber, foam plastic, superfine glass wool or high silicon-oxygen cotton.

4. An electromagnetic valve for a refrigerating system as set forth in claim 1, wherein: the valve seat (2) is internally provided with an inlet cavity (3) and an outlet cavity (4), and the outer walls of the inlet cavity (3) and the outlet cavity (4) are respectively provided with a connecting flange.

5. An electromagnetic valve for a refrigerating system according to claim 4, wherein: the inlet cavity (3) and the outlet cavity (4) are communicated with each other through a communicating hole (13), and the valve plate (9) and the communicating hole (13) slide in a piston mode.

6. An electromagnetic valve for a refrigerating system according to claim 5, wherein: a sliding hole (11) is formed above the communicating hole (13), the movable iron core (14) is connected with the sliding hole (11) in a sliding mode, and the inner diameter of the sliding hole (11) is larger than that of the communicating hole (13).

7. An electromagnetic valve for a refrigeration system according to claim 6, characterized in that: and a sealing ring (12) is sleeved on the contact surface of the sliding hole (11) and the movable iron core (14).