CN213685481U - Electromagnetic valve and gas device - Google Patents

Abstract

The utility model discloses a solenoid valve, which comprises a driving mechanism and a spiral spring, wherein the driving mechanism is connected with a sealing cap, and the driving mechanism drives the sealing cap to move so as to open or close a valve; the spiral spring is connected with the sealing cap to drive the sealing cap to reset; the spiral spring is formed by integrally winding the same wire rod, and comprises an elastic part and a force component part which are connected with each other; the component force part is formed by winding the wire rods along the same plane; the elastic part is abutted to the driving mechanism, and the component force part is in contact with one end face of the sealing cap and is used for driving the sealing cap to reset. Through so setting up the lifting surface who has increased coil spring and sealed cap contact department, under equal pressure, through the lifting surface who increases between coil spring and the sealed cap for coil spring can not imbed in the sealed cap and go, and the part of solenoid valve still less, and installation procedure still less promotes the installation effectiveness of solenoid valve.

Description

Electromagnetic valve and gas device

Technical Field

The utility model relates to a solenoid valve technical field, in particular to solenoid valve and gas device.

Background

The solenoid valve is a valve that is opened or closed by an electromagnetic force, and is an automated basic element for controlling a fluid. The existing electromagnetic valve generally comprises a sealing cap, a spring and a moving part, wherein the moving part is connected with the sealing cap, one end of the spring is fixedly arranged, and the other end of the spring is connected with the sealing cap. When the valve is electrified, the electromagnetic coil generates electromagnetic force to lift the sealing cap from the valve seat through the movable piece, so that the valve is opened; when the power is off, the electromagnetic force disappears, and the elastic force of the spring presses the sealing cap on the valve seat, so that the valve is closed. The sealing cap is rubber material, for preventing that the one end of spring from being absorbed in the sealing cap, can add the spring stationary blade between sealing cap and spring usually, and this kind of setting makes the part of solenoid valve many, installation procedure many to the cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a solenoid valve, the solenoid valve uses the part few, and simple to operate is convenient for promote production efficiency.

The utility model discloses still provide a gas device who has above-mentioned solenoid valve.

According to the utility model discloses the solenoid valve of first aspect embodiment, including actuating mechanism and coil spring, actuating mechanism connects with the sealing cap, actuating mechanism drive the sealing cap remove in order to open or close the valve; the spiral spring is formed by integrally winding the same wire rod, and comprises an elastic part and a force component part which are connected with each other; the component force part is formed by winding the wire rods along the same plane; the elastic part is abutted to the driving mechanism, and the component force part is in contact with one end face of the sealing cap and is used for driving the sealing cap to reset.

According to the utility model discloses solenoid valve has following technological effect at least: the spiral spring is formed by integrally winding the same wire rod and is provided with an elastic part and a force component part which are mutually connected; the component force part is formed by winding the wire rods along the same plane; the force component part is contacted with one end face of the sealing cap, so that the stress area between the spiral spring and the end face of the sealing cap is increased, the force of the spiral spring acting on the end face of the sealing cap is dispersed at each part of the end face of the sealing cap, and the spiral spring is prevented from sinking into the sealing cap. According to the utility model discloses the solenoid valve need not use the spring stationary blade, uses the part few to simple to operate is convenient for promote production efficiency.

According to some embodiments of the present invention, the elastic portion is in a circular truncated cone shape or a cylindrical shape, and the component force portion is formed by spirally winding a plurality of turns around the center of the end face of the elastic portion.

According to some embodiments of the utility model, the sealing cap with the terminal surface department protrusion of component part looks butt is provided with annular arch, an pot head of elasticity portion is located annular arch.

According to some embodiments of the present invention, the driving mechanism comprises a coil assembly and a movable iron core, wherein the coil assembly is disposed in a position of one end of the movable iron core, and the other end of the movable iron core is connected to the sealing cap; the coil assembly is electrified to drive the movable iron core to move, and the movable iron core moves to drive the sealing cap to move so as to open or close the valve.

According to some embodiments of the utility model, actuating mechanism is still including the sleeve, coil pack will the muffjoint is established wherein, the sleeve will move iron core pot head and establish wherein, coil pack circular telegram drive move the iron core and be in slide in the sleeve.

According to some embodiments of the present invention, the sleeve includes a sleeve portion and a limiting plate, the coil assembly sleeves the sleeve portion, the sleeve portion sleeves an end of the movable iron core, and the limiting plate is fixedly disposed and connected to an end of the sleeve portion; the elastic part is abutted against the limiting plate.

According to some embodiments of the utility model, still including magnetic conduction frame, coil pack set up in the magnetic conduction frame, magnetic conduction frame bottom is provided with the through-hole, the sleeve passes the through-hole set up in inside the coil pack, the limiting plate is fixed set up in magnetic conduction frame's bottom surface.

According to the utility model discloses a some embodiments still including quiet iron core, coil pack will quiet iron core cover is established wherein.

According to some embodiments of the utility model, coil pack's top will quiet iron core cover is established wherein, coil pack's bottom will move the iron core cover and establish wherein.

According to the utility model discloses gas device of second aspect embodiment, include according to the utility model discloses the support of above-mentioned first aspect embodiment.

According to the utility model discloses gas device has following beneficial effect at least: through adopting foretell solenoid valve, be convenient for gas device's installation has promoted the installation effectiveness.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above-mentioned additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of an overall structure of a solenoid valve according to an embodiment of the present invention;

fig. 2 is an exploded view of a solenoid valve according to an embodiment of the present invention;

fig. 3 is a sectional view of an internal structure of a solenoid valve according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a coil spring according to an embodiment of the present invention.

Reference numerals:

the coil spring comprises a coil spring 100, an elastic part 110, a force component part 120, a coil assembly 210, a movable iron core 220, a static iron core 230, a sleeve 240, a sleeving part 241, a limiting plate 242, a sealing cap 300, an annular protrusion 310, a magnetic conduction frame 400 and a through hole 410.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A solenoid valve according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

For example, as shown in fig. 1 and 2, a solenoid valve according to an embodiment of the present invention includes a driving mechanism and a coil spring 100, the driving mechanism is connected with a sealing cap 300, and the driving mechanism drives the sealing cap 300 to move to open or close a valve; the spiral spring 100 is formed by integrally winding the same wire, and the spiral spring 100 comprises an elastic part 110 and a force component part 120 which are connected with each other; the force component part 120 is formed by winding wires along the same plane; the elastic portion 110 abuts against the driving mechanism, and the force component portion 120 contacts with one end surface of the sealing cap 300 to drive the sealing cap 300 to reset.

For example, in the embodiment shown in fig. 2, the coil assembly 210 and the plunger 220 are used as the driving mechanism, the end of the plunger 220 is connected to the sealing cap 300, when the coil assembly 210 is energized, a magnetic field is generated to drive the plunger 220 to move, and the plunger 220 moves to drive the sealing cap 300 to move to open or close the valve. The coil spring 100 is connected to the sealing cap 300, and when the coil assembly 210 is energized to drive the sealing cap 300 to move to open or close the valve, the coil spring 100 is stretched or compressed. When the coil assembly 210 is powered off, the elastic force of the coil spring 100 drives the sealing cap 300 to reset to close or open the valve again.

The coil spring 100 includes an elastic portion 110 and a force component portion 120 connected to each other; the force component part 120 is formed by winding wires along the same plane; the elastic portion 110 abuts against the driving mechanism, and the force component portion 120 contacts with one end surface of the sealing cap 300 to drive the sealing cap 300 to reset. Such as shown in fig. 1 and 3. The force-dividing portion 120 of the coil spring 100 increases the force-receiving area of the contact portion of the coil spring 100 and the sealing cap 300, and the coil spring 100 is not embedded in the sealing cap 300 by increasing the force-receiving area between the coil spring 100 and the sealing cap 300 under the same pressure.

Compared with the prior art, the utility model discloses the solenoid valve need not use the spring stationary blade for the part of solenoid valve still less, and the installation procedure still less promotes the installation effectiveness of solenoid valve.

In some embodiments of the present invention, the coil spring 100 includes an elastic portion 110 and a force component portion 120, the elastic portion 110 is in a circular truncated cone shape or a cylindrical shape, and the force component portion 120 is spirally wound with a plurality of turns along a center of an end surface of the elastic portion 110.

For example, as shown in fig. 2, 3 and 4, the coil spring 100 includes an elastic portion 110 and a force component portion 120, the elastic portion 110 is in a circular truncated cone shape, and the force component portion 120 is spirally wound with a plurality of turns along a center of one end face of the elastic portion 110. When the force component part 120 is connected to the small end of the elastic part 110, the force component part 120 may be spirally provided with more turns on the end surface of the sealing cap 300, so that the contact area of the force component part 120 and the sealing cap 300 is larger.

In some embodiments of the present invention, an annular protrusion 310 is protruded from an end surface of the sealing cap 300 abutting against the component force part, and an end of the elastic part 110 is sleeved on the annular protrusion 310.

For example, as shown in fig. 1 and 3, an annular protrusion 310 is protrusively provided on an end surface of the sealing cap 300, and the small end of the elastic portion 110 is fitted over the annular protrusion 310. By such an arrangement, the position of the coil spring 100 can be fixed and cannot be moved freely. The elastic portion 110 abuts against the limiting plate 242, the annular protrusion 310 is sleeved at the other end of the elastic portion, and the movable iron core 220 is sleeved in the elastic portion 110, so that the position of the coil spring 100 is fixed, and the operation of the solenoid valve is stable.

In some embodiments of the present invention, the driving mechanism includes a coil assembly 210 and a movable core 220, the coil assembly 210 is disposed in the movable core 220 with one end thereof sleeved thereon, and the other end of the movable core 220 is connected to the sealing cap 300; the coil assembly 210 is energized to drive the plunger 220 to move, and the plunger 220 moves to drive the sealing cap 300 to move to open or close the valve.

For example, as shown in fig. 2 and 3, the driving mechanism includes a coil assembly 210 and a plunger 220, the coil assembly 210 sleeves the plunger 220, and the plunger 220 is connected to the sealing cap 300. When the coil assembly 210 is energized, the electromagnetic field generated by the coil assembly 210 attracts the plunger 220 to move toward the coil assembly 210, and the sealing cap 300 is connected to the plunger 220, i.e., moves toward the coil assembly 210 along with the plunger 220 so that the sealing cap 300 can open or close the valve. At this time, the coil spring 100 is compressed or extended due to the movement of the sealing cap 300, and when the coil assembly 210 is de-energized, the electromagnetic force disappears, and the coil spring 100 drives the sealing cap 300 to be reset, so that the valve is closed or opened again. Meanwhile, the coil assembly 210 sleeves the movable iron core 220, so that the movable iron core 220 is restricted from moving and can only move according to a predetermined track, thereby facilitating the control of the sealing cap 300.

In some embodiments of the present invention, the driving mechanism further includes a sleeve 240, the coil assembly 210 is disposed in the sleeve 240, an end of the movable iron core 220 is disposed in the sleeve 240, and the coil assembly 210 is powered on to drive the movable iron core 220 to slide in the sleeve 240.

For example, as shown in fig. 2 and fig. 3, the driving mechanism further includes a sleeve 240, the coil assembly 210 sleeves the sleeve 240, the sleeve 240 sleeves the plunger 220, and the coil assembly 210 is powered on to drive the plunger 220 to slide in the sleeve 240.

Through such setting, make movable iron core 220 not with coil pack 210 direct contact, make the removal of movable iron core 220 receive certain restriction through the setting of sleeve 240, can remove in predetermined track, conveniently drive seal cap 300 and open or close the solenoid valve.

In some embodiments of the present invention, the sleeve 240 includes a sleeve portion 241 and a limiting plate 242, the coil assembly 210 sleeves the sleeve portion 241, the sleeve portion 241 sleeves an end of the movable iron core 220, and the limiting plate 242 is fixedly disposed and connected to an end of the sleeve portion 241; the elastic portion 110 abuts against the stopper plate 242.

For example, as shown in fig. 2 and fig. 3, the sleeve 240 includes a sleeve portion 241 and a limit plate 242, the sleeve portion 241 is a cylindrical body and has a hollow interior, the coil assembly 210 sleeves the sleeve portion 241 therein, and the sleeve portion 241 sleeves the movable iron core 220 therein. The stopper plate 242 is fixedly provided and connected to an end of the socket portion 241. The plunger 220 passes through the socket 241 and the stopper plate 242 and is fixedly connected to the sealing cap 300.

By such an arrangement, when the coil assembly 210 is energized, the coil assembly 210 drives the plunger 220 to move the sealing cap 300 upward to open or close the valve, and the coil spring 100 is compressed. When the coil assembly 210 is de-energized, the coil spring 100 drives the sealing cap 300 to return so that the valve is closed or opened.

In some embodiments of the present invention, the coil assembly 210 is disposed in the magnetic frame 400, the through hole 410 is disposed at the bottom of the magnetic frame 400, the sleeve 240 passes through the through hole 410 and is disposed inside the coil assembly 210, and the limiting plate 242 is fixedly disposed on the bottom surface of the magnetic frame 400.

For example, as shown in fig. 1 and fig. 2, the solenoid valve further includes a magnetic conduction frame 400, the coil assembly 210 is disposed in the magnetic conduction frame 400, a through hole 410 is disposed at the bottom of the magnetic conduction frame 400, the sleeve 240 is disposed inside the coil assembly 210 through the through hole 410, and the limit plate 242 is fixedly disposed at the bottom surface of the magnetic conduction frame 400.

By such an arrangement, the positions of the coil assembly 210 and the sleeve 240 can be fixed, so that the movement of the driving mechanism is more stable.

In some embodiments of the present invention, the coil assembly 210 further includes a stationary core 230, and the stationary core 230 is sleeved in the coil assembly 210.

For example, as shown in fig. 2 and fig. 3, the solenoid valve further includes a stationary core 230, the stationary core 230 is sleeved in the coil assembly 210, the magnetic property of the coil assembly 210 is enhanced by the stationary core 230, when the coil assembly 210 is energized, the magnetic field generated by the coil assembly 210 is stronger due to the stationary core 230, and the attraction force to the movable core 220 is larger.

In some embodiments of the present invention, the stationary core 230 is sleeved at the top of the coil assembly 210, and the movable core 220 is sleeved at the bottom of the coil assembly 210.

For example, as shown in fig. 2 and 3, the top of the coil assembly 210 is disposed with the stationary core 230, and the bottom thereof is disposed with the movable core 220. By arranging the stationary core 230 and the movable core 220 one above the other in the coil assembly 210, the magnetic field generated by the energization of the coil assembly 210 can better drive the movable core 220 to move, thereby more conveniently driving the sealing cap 300 to move to open or close the sealing valve.

According to the utility model discloses gas device of second aspect embodiment, include according to the utility model discloses the solenoid valve of above-mentioned first aspect embodiment.

According to the utility model discloses gas device, through adopting foretell solenoid valve, the installation of gas device of having convenient for has promoted the installation effectiveness.

Other constructions and operations of the gas-fired device according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

A solenoid valve according to an embodiment of the present invention will be described in detail with a specific embodiment with reference to fig. 1 to 4. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

For example, as shown in fig. 1 to 4, the electromagnetic valve according to the embodiment of the present invention includes a driving mechanism, a magnetic conduction frame 400 and a coil spring 100, the driving mechanism includes a coil assembly 210, a stationary core 230, a movable core 220 and a sleeve 240, the stationary core 230 is sleeved on the top of the coil assembly 210, and the sleeve 240 is sleeved on the bottom of the coil assembly. The sleeve 240 comprises a sleeving part 241 and a limiting plate 242, the sleeving part 241 is a circular cylinder, the inside of the sleeve is hollow, the coil assembly 210 sleeves the sleeving part 241, and the sleeving part 241 sleeves the movable iron core 220. The coil assembly 210 is disposed in the magnetic conduction frame 400, a through hole 410 is disposed at the bottom of the magnetic conduction frame 400, the sleeve 240 is disposed inside the coil assembly 210 through the through hole 410, and the limiting plate 242 is fixedly disposed at the bottom surface of the magnetic conduction frame 400. The stopper plate 242 is fixedly provided and connected to an end of the socket portion 241. The plunger 220 passes through the socket 241 and the stopper plate 242 and is fixedly connected to the sealing cap 300. One end of the coil spring 100 abuts against the end surface of the seal cap 300, and the other end abuts against the stopper plate 242.

The spiral spring 100 is formed by integrally winding the same wire, and the spiral spring 100 comprises an elastic part 110 and a force component part 120 which are connected with each other; the force component part 120 is formed by winding wires along the same plane; the elastic portion 110 abuts against the driving mechanism, and the force component portion 120 contacts with one end surface of the sealing cap 300 to drive the sealing cap 300 to reset. The force distribution portion 120 is spirally provided with a plurality of turns extending along the same plane, increasing a force-receiving area between the coil spring 100 and the sealing cap 300.

According to the utility model discloses solenoid valve, through so setting up, can reach following some effects at least: the coil spring 100 is formed by integrally winding the same wire rod, and is provided with an elastic part 110 and a force component part 120 which are connected with each other; the force component part 120 is formed by winding wires along the same plane; the force dividing portion 120 contacts one end surface of the seal cap 300, and thus increases a force-receiving area between the coil spring 100 and the end surface of the seal cap 300, thereby dispersing a force of the coil spring 100 acting on the end surface of the seal cap 300 everywhere on the end surface of the seal cap 300 and preventing the coil spring 100 from sinking into the seal cap 300. According to the utility model discloses the solenoid valve need not use the spring stationary blade, uses the part few to simple to operate is convenient for promote production efficiency.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A solenoid valve, comprising:

the driving mechanism is connected with a sealing cap (300), and drives the sealing cap (300) to move so as to open or close a valve;

the coil spring (100) is formed by integrally winding the same wire, and the coil spring (100) comprises an elastic part (110) and a force component part (120) which are connected with each other; the force component part (120) is formed by winding the wire rods along the same plane; the elastic part (110) is abutted to the driving mechanism, and the force component part (120) is in contact with one end face of the sealing cap (300) and is used for driving the sealing cap (300) to reset.

2. The electromagnetic valve according to claim 1, wherein the elastic portion (110) is circular truncated cone-shaped or cylindrical, and the force component portion (120) is spirally wound with a plurality of turns along a center of one end face of the elastic portion (110).

3. The electromagnetic valve according to claim 2, wherein an annular protrusion (310) is convexly disposed at an end surface of the sealing cap (300) abutting against the force component part (120), and one end of the elastic part (110) is sleeved on the annular protrusion (310).

4. The electromagnetic valve according to claim 1, characterized in that the driving mechanism comprises a coil assembly (210) and a plunger (220), wherein the coil assembly (210) sleeves one end of the plunger (220), and the other end of the plunger (220) is connected with the sealing cap (300); the coil assembly (210) is electrified to drive the movable iron core (220) to move, and the movable iron core (220) moves to drive the sealing cap (300) to move so as to open or close the valve.

5. The electromagnetic valve according to claim 4, wherein the driving mechanism further includes a sleeve (240), the coil assembly (210) sleeves the sleeve (240), the sleeve (240) sleeves one end of the plunger (220), and the coil assembly (210) is energized to drive the plunger (220) to slide in the sleeve (240).

6. The electromagnetic valve according to claim 5, wherein the sleeve (240) comprises a sleeve-joint part (241) and a limit plate (242), the coil assembly (210) sleeves the sleeve-joint part (241), the sleeve-joint part (241) sleeves one end of the plunger (220), and the limit plate (242) is fixedly arranged and connected with the end of the sleeve-joint part (241); the elastic part (110) is abutted against the limit plate (242).

7. The electromagnetic valve according to claim 6, further comprising a magnetic conduction frame (400), wherein the coil assembly (210) is disposed in the magnetic conduction frame (400), a through hole (410) is disposed at the bottom of the magnetic conduction frame (400), the sleeve (240) passes through the through hole (410) and is disposed inside the coil assembly (210), and the limiting plate (242) is fixedly disposed on the bottom surface of the magnetic conduction frame (400).

8. The solenoid valve according to claim 4, further comprising a stationary core (230), wherein the stationary core (230) is sleeved by the coil assembly (210).

9. The solenoid valve according to claim 8, wherein the top of the coil assembly (210) is configured to fit the stationary core (230) therein, and the bottom of the coil assembly (210) is configured to fit the movable core (220) therein.

10. A gas-fired device characterized by comprising a solenoid valve according to any one of claims 1 to 9.

Images