CN212297853U - Safety device for thermoelectric electromagnetic valve - Google Patents

Abstract

The utility model provides a safety device of a thermoelectric electromagnetic valve, which comprises a guide sleeve, an electrode, a flange, a valve seat, a valve cover, a valve shaft and a spring seat, the utility model realizes that a secondary coil and a main coil generate magnetic flux after being powered by a pulser, the magnetic flux can generate electrodynamic force between a movable iron core and a static iron core, the static iron core attracts the movable iron core, so that the movable iron core downwards drives the valve shaft to lift in the valve cover, a valve body gas channel can be opened without pressing down a valve body valve rod, thereby realizing a valve body without a rod type structure, reducing the accessory structure of the valve body of a gas cooker, leading the thermoelectric electromagnetic valve to work in a self-suction mode without the action of a mandril, reducing the damage and the damage of the thermoelectric electromagnetic valve during the assembly, reducing the failure rate, leading the gas cooker to develop towards the intellectualized direction, solving the high assembly requirement of the thermoelectric electromagnetic valve in the conventional valve body and simplifying the valve body structure, the valve body structure is simpler.

Description

Safety device for thermoelectric electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field specifically is a thermoelectric type solenoid valve safety device.

Background

Electromagnetic valves are widely used in various industries, and thermoelectric electromagnetic valves in the electromagnetic valves are generally used in gas cookers and have high requirements on the performance of the thermoelectric electromagnetic valves.

The thermoelectric electromagnetic valve in the current market needs to be assembled in a gas stove plug valve when in use, and then the deflector rod is triggered by pressing the valve body ejector rod, so that the attraction of the thermoelectric electromagnetic valve is realized, meanwhile, a gas channel is also opened, the existing thermoelectric electromagnetic valve drives the deflector rod to realize the opening of the gas channel by manually pressing the ejector rod, and thus, the rodless self-priming function cannot be realized;

in the existing structure, the requirement on the thermoelectric electromagnetic valve is too high during assembly, and the valve opening state of the existing thermoelectric electromagnetic valve is realized in the gas stove plug valve through a shifting lever, so that the shifting lever is easily damaged or bumped by a core component inside the thermoelectric electromagnetic valve under the influence of external force, such as during assembly or installation, so that the thermoelectric electromagnetic valve cannot be opened, and the failure rate of the thermoelectric electromagnetic valve is high;

therefore, further research needs to be conducted on the existing solenoid valve to provide a new safety device for the thermoelectric solenoid valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the shortcomings existing in the prior art and provide a thermoelectric solenoid valve safety device.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device of a thermoelectric electromagnetic valve comprises a guide sleeve, an electrode, a flange, a valve seat, a valve cover, a valve shaft and a spring seat, the valve cover is arranged at the upper end of the valve seat, an O-shaped ring is arranged outside the valve seat, a spring is arranged at the upper part of the valve cover, the valve shaft is arranged in a through hole of the valve cover, a movable iron core is arranged at the lower end of the valve shaft, the movable iron core is positioned in the valve cover, the upper end of the outer part of the valve shaft is provided with a spring seat, the top end of the valve shaft is provided with a sealing gasket, a static iron core is arranged at the upper end of the inside of the valve seat, a secondary coil is wound outside the static iron core, the upper end of the exterior of the static iron core is wound with a main coil, the lower end of the interior of the valve seat is provided with an electrode, an electrode sealing ring is assembled between the electrode and the valve seat, a guide sleeve is installed at the lower end of the valve seat, and a flange is fixed between the guide sleeve and the valve seat.

Preferably, the valve cover and the valve seat form a dustproof cover, and the valve shaft is movably connected with the valve cover.

Preferably, the upper end of the spring props against the bottom of the spring seat, and the spring is connected with the spring seat.

Preferably, the static iron core is located below the movable iron core, and the static iron core is located inside the valve cover.

Preferably, the quiet iron core is provided with two sets ofly and is located the below left and right sides of moving the iron core respectively, just the skeleton is all installed at the upper and lower both ends of secondary coil.

Preferably, the framework is shaped like a horseshoe, and the framework fixes the secondary coil outside the static iron core.

Preferably, the height of the secondary coil on the left static iron core is higher than that of the secondary coil on the right static iron core, and the number of the main coils on the right static iron core is greater than that of the main coils on the left static iron core.

Preferably, the electrodes are arranged in two groups, and the lower ends of the electrodes vertically extend to the interior of the guide sleeve.

Preferably, the starting ends of the wire ends of the secondary coil and the main coil are respectively connected and welded to the valve seat, and the tail ends of the wire ends of the secondary coil and the main coil are respectively connected and welded to the electrode.

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

(1) according to the safety device of the thermoelectric electromagnetic valve, the pulser is connected with the ignition needle, the thermoelectric electromagnetic valve is arranged in a 3V voltage integration circuit, when a switching signal is triggered to be closed, the secondary coil and the main coil are powered by the pulser to generate magnetic flux, the magnetic flux can enable the moving iron core and the static iron core to generate electrodynamic force, the static iron core attracts the moving iron core, the moving iron core faces downwards to drive the valve shaft to lift in the valve cover, a self-suction function is invented on a gas stove of the conventional thermoelectric flameout protection device again, a valve body gas channel can be opened without pressing down the valve body valve rod, and therefore a valve body without a rod type structure is achieved, and the accessory structure of the gas stove valve body is reduced.

(2) The valve body gas channel can be opened without being pressed down by a valve body valve rod, and the valve body gas channel is converted into a thermocouple power supply mode after 5-8 seconds, so that the thermoelectric type flameout protection state is achieved, the self-suction design problem of the gas cooker is solved, the multiple functions and effects of the thermoelectric type electromagnetic valve are realized, namely, the rod-free type self-suction function and the flameout protection function can be realized, the thermoelectric type electromagnetic valve can work in a self-suction mode without the action of a mandril, the damage and damage of the thermoelectric type electromagnetic valve during the assembly are reduced, the failure rate is reduced, meanwhile, the intellectualization of the gas cooker can be developed, for example, the one-key ignition function is realized, the gas cooker is developed towards the intellectualization direction, the high assembly requirement of the thermoelectric type electromagnetic valve in the conventional valve body is solved, the valve body structure is simplified, and meanwhile, the good protection effect on the thermoelectric, thereby the life of thermoelectric solenoid valve has been increased, and the product is used more stably, and the durability is longer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

Fig. 2 is a schematic diagram of the self-closing valve-opening state of the present invention.

Fig. 3 is a schematic view of the framework of the present invention.

In the figure: 1-a guide sleeve; 2-an electrode; 3-electrode sealing ring; 4-a flange; 5-valve seat; 6-O-shaped ring; 7-a stationary core; 8-a framework; 9-secondary coil; 10-a main coil; 11-a valve housing; 12-a movable iron core; 13-a valve shaft; 14-a spring; 15-spring seats; 16-sealing gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

as shown in figures 1-3;

the embodiment provides a thermoelectric type electromagnetic valve safety device, which comprises a guide sleeve 1, an electrode 2, a flange 4, a valve seat 5, a valve cover 11, a valve shaft 13 and a spring seat 15, wherein the valve cover 11 is installed at the upper end of the valve seat 5, an O-shaped ring 6 is installed outside the valve seat 5, a spring 14 is installed on the upper portion of the valve cover 11, the valve shaft 13 is installed in a through hole of the valve cover 11, a movable iron core 12 is installed at the lower end of the valve shaft 13, the movable iron core 12 is located in the valve cover 11, the spring seat 15 is arranged at the upper end of the outer portion of the valve shaft 13, a sealing gasket 16 is installed at the top end of the valve shaft 13, a fixed iron core 7 is installed at the upper end of the inner portion of the valve seat 5, a secondary coil 9 is wound on the outer portion of the fixed iron core 7, the upper end of the outer portion of the fixed iron core 7, a flange 4 is fixed between the guide sleeve 1 and the valve seat 5.

Further, the valve cover 11 and the valve seat 5 form a dust cover, and the valve shaft 13 is movably connected with the valve cover 11.

Further, the upper end of the spring 14 abuts against the bottom position of the spring seat 15, and the spring 14 is connected with the spring seat 15.

Further, the stationary core 7 is located below the movable core 12, and the stationary core 7 is located inside the valve housing 11.

Further, the stationary iron core 7 is provided with two groups and is respectively located at the left side and the right side below the movable iron core 12, and the framework 8 is installed at the upper end and the lower end of the secondary coil 9.

Further, the bobbin 8 is shaped like a horseshoe, and the bobbin 8 fixes the sub-coil 9 to the outside of the stationary core 7.

Further, the height of the sub-coil 9 on the left-side stationary core 7 is higher than that of the sub-coil 9 on the right-side stationary core 7, and the number of the main coils 10 on the right-side stationary core 7 is larger than that of the main coils 10 on the left-side stationary core 7.

Further, two sets of electrodes 2 are arranged, and the lower ends of the electrodes 2 vertically extend to the inside of the guide sleeve 1.

Further, the start ends of the sub-coil 9 and the main coil 10 are connected and welded to the valve seat 5, respectively, and the ends of the sub-coil 9 and the main coil 10 are connected and welded to the electrode 2, respectively.

In use the utility model discloses the time, be connected the flange 4 of solenoid valve with the output negative pole of pulser, electrode 2 with the 9 end of a thread connection of secondary coil of solenoid valve is connected with the output anodal of pulser, through connecting the ignition needle with the pulser, the thermoelectric type solenoid valve is in 3V voltage integration circuit, when switching signal touches closure, realize secondary coil 9 and main coil 10 production magnetic flux after the pulser power supply, the magnetic flux can make and produce the electrodynamic force between movable iron core 12 and the quiet iron core 7, quiet iron core 7 carries out the actuation to movable iron core 12, make movable iron core 12 down, it goes up and down to drive valve shaft 13 in valve bonnet 11, thereby make the thermoelectric type solenoid valve realize automatic valve of inhaling, need not through valve body valve rod pushing down alright open valve body gas passageway, 5-8 seconds after convert to thermocouple power supply mode, reach thermoelectric type flame-out protection state.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (9)

1. The utility model provides a thermoelectric type solenoid valve safety device, includes uide bushing (1), electrode (2), flange (4), disk seat (5), valve bonnet (11), valve shaft (13) and spring holder (15), its characterized in that, install in disk seat (5) upper end valve bonnet (11), the externally mounted of disk seat (5) has O type circle (6), spring (14) are installed on the upper portion of valve bonnet (11), valve shaft (13) are installed in the through-hole of valve bonnet (11), movable iron core (12) are installed to the lower extreme of valve shaft (13), just movable iron core (12) are located valve bonnet (11), the outside upper end department of valve shaft (13) is provided with spring holder (15), sealed pad (16) are installed on the top of valve shaft (13), iron core (7) are installed to the inside upper end department of disk seat (5), the outside winding of quiet iron core (7) has secondary coil (9), the winding of outside upper end department of quiet iron core (7) has main coil (10), electrode (2) are installed to the inside lower extreme department of disk seat (5), be equipped with electrode sealing washer (3) between electrode (2) and disk seat (5), uide bushing (1) is installed to the lower extreme of disk seat (5), be fixed with flange (4) between uide bushing (1) and disk seat (5).

2. The safety device for the thermoelectric solenoid valve as claimed in claim 1, wherein the valve cover (11) and the valve seat (5) form a dust cover, and the valve shaft (13) is movably connected with the valve cover (11).

3. A safety device for a thermoelectric solenoid valve according to claim 1, characterized in that the upper end of the spring (14) abuts against the bottom position of the spring seat (15) and the spring (14) is connected to the spring seat (15).

4. A thermoelectric solenoid valve safety device according to claim 1, characterized in that the stationary core (7) is located below the movable core (12) and the stationary core (7) is located inside the valve housing (11).

5. A thermoelectric solenoid valve safety device according to claim 1, characterized in that the static iron core (7) is provided with two groups and is respectively positioned at the left and right sides below the movable iron core (12), and the upper and lower ends of the secondary coil (9) are provided with frameworks (8).

6. A thermoelectric solenoid valve safety device according to claim 5, characterized in that the skeleton (8) is horseshoe-shaped, and the skeleton (8) fixes the secondary coil (9) outside the stationary core (7).

7. A safety device for a thermoelectric solenoid valve according to claim 1 or 6, characterized in that the height of the secondary coil (9) on the left static core (7) is higher than the height of the secondary coil (9) on the right static core (7), and the number of the main coils (10) on the right static core (7) is greater than the number of the main coils (10) on the left static core (7).

8. A thermoelectric solenoid valve safety device according to claim 1, characterized in that the electrodes (2) are provided in two groups, and the lower ends of the electrodes (2) extend vertically to the inside of the guide sleeve (1).

9. A safety device for a thermoelectric solenoid valve according to claim 1, wherein the start ends of the stubs of the sub-coil (9) and the main coil (10) are connected and welded to the valve seat (5), respectively, and the end ends of the stubs of the sub-coil (9) and the main coil (10) are connected and welded to the electrode (2), respectively.

Images