CN220302892U - Solenoid valve assembly with double cut-off functions - Google Patents
Solenoid valve assembly with double cut-off functions Download PDFInfo
- Publication number
- CN220302892U CN220302892U CN202322007077.9U CN202322007077U CN220302892U CN 220302892 U CN220302892 U CN 220302892U CN 202322007077 U CN202322007077 U CN 202322007077U CN 220302892 U CN220302892 U CN 220302892U
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- spring
- magnetic core
- sleeve
- movable magnetic
- valve assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000009977 dual effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a solenoid valve assembly with a double-stop function, which comprises a mounting bracket, wherein a bottom plate is arranged at the bottom of the mounting bracket, a sleeve is arranged on the mounting bracket, a barrel opening of the sleeve is positioned on the outer surface of the bottom plate, an electromagnetic coil is arranged around the outer side surface of the sleeve, a fixed magnetic core is arranged at the barrel bottom of the sleeve, a movable magnetic core capable of axially sliding is arranged in the sleeve, a first rubber sealing pad is sleeved on the movable magnetic core in a sliding manner, a second rubber sealing pad is arranged at the end part of the movable magnetic core, a first spring and a second spring are respectively sleeved on the movable magnetic core, one end of the first spring is arranged on the outer surface of the bottom plate, the other end of the first spring is arranged on the upper surface of the first rubber sealing pad, one end of the second spring corresponds to the lower surface of the first rubber sealing pad, and the other end of the second spring corresponds to the upper surface of the second rubber sealing pad. The electromagnetic valve assembly can realize simultaneous cut-off of two-stage concentric valve ports by utilizing a single electromagnetic coil, and has compact overall structure and more reliable sealing performance.
Description
Technical Field
The utility model relates to the technical field of gas control valve equipment, in particular to a solenoid valve assembly with a double-cut-off function.
Background
In the present stage, with the development of the domestic gas appliance industry, according to the implementation of the national standard GB/T37499, the electromagnetic valve is a main closing element of the gas proportional valve serving as a core accessory of the gas appliance, and the safety and reliability of the electromagnetic valve are increasingly important, so that the national standard requires that the gas proportional valve on the gas passage must be designed with two series-connected automatic cut-off electromagnetic valves, the automatic cut-off electromagnetic valve is generally an electromagnetic valve with a rubber sealing element to realize the cut-off function of the gas, the specific working principle is that the magnetic core with the rubber sealing element presses the valve port under the action of a spring force under the condition of no power supply, the magnetic core generates a magnetic field under the condition of power supply, and the magnetic core is attracted by the magnetic field of the coil, so that the magnetic core moves to the coil while overcoming the spring force, and the rubber sealing element leaves the valve port, thereby realizing the opening of the gas pipeline.
Disclosure of Invention
The utility model aims to provide a solenoid valve assembly with a double-stop function, which can realize simultaneous stop of two stages of concentric valve ports by utilizing a single solenoid, and has the advantages of compact integral structure, lower production cost and more reliable sealing performance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a solenoid valve subassembly with two functions of stopping, includes the installing support, the bottom of installing support be provided with the bottom plate, the installing support on be provided with the sleeve, telescopic nozzle be located the surface of bottom plate, telescopic lateral surface encircle and be provided with solenoid, telescopic barrel bottom be provided with fixed magnetic core, the sleeve in be provided with the axially sliding movable magnetic core, movable magnetic core slip cap be equipped with first rubber seal, movable magnetic core's tip be provided with second rubber seal, first spring, second spring overlap respectively and establish movable magnetic core on, the one end of first spring set up the surface at the bottom plate, the other end of first spring set up the upper surface at first rubber seal, the one end of second spring correspond the lower surface of first rubber seal, the other end of second spring correspond the upper surface of second rubber seal.
Preferably, the outer side surface of the movable magnetic core is provided with a clamping groove, the upper surface of the first rubber sealing gasket is provided with a sleeve sleeved on the outer side of the movable magnetic core, and the end part of the sleeve is provided with a clamping block extending into the clamping groove.
Preferably, the lower surface of the first rubber sealing pad is provided with a counter bore which can accommodate the second rubber sealing pad.
Preferably, the top of the movable magnetic core is provided with a groove, and the bottom of the fixed magnetic core is provided with a boss which can be inserted into the groove.
Preferably, the side surface of the boss is provided with an inclined surface, and the side surface of the groove corresponding to the boss is provided with an inclined surface.
Preferably, the first spring is a tower-shaped spring with a wide upper part and a narrow lower part.
Preferably, the second spring is a tower-shaped spring with a wide upper part and a narrow lower part.
Preferably, the mounting bracket is provided with a metal insert, and the metal insert is electrically connected with the electromagnetic coil.
Compared with the prior art, the utility model has the beneficial effects that: the electromagnetic valve assembly can realize simultaneous cut-off of two-stage concentric valve ports by utilizing a single electromagnetic coil, and has the advantages of compact overall structure, lower production cost and more reliable sealing performance.
Drawings
Fig. 1 is a schematic structural view of a solenoid valve assembly with dual shutoff function according to the present utility model.
Fig. 2 is a sectional view showing a solenoid valve assembly having a double shut-off function according to the present utility model assembled to a valve port of a gas appliance.
Detailed Description
The technical solutions in the embodiments of the present utility model will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an electromagnetic valve assembly with double cut-off functions comprises a mounting bracket 1, the bottom of the mounting bracket 1 is provided with a bottom plate 2, the mounting bracket 1 on be provided with a sleeve 3, the nozzle of the sleeve 3 be located the surface of the bottom plate 2, the lateral surface of the sleeve 3 encircle and be provided with solenoid 4, the barrel bottom of the sleeve 3 be provided with fixed magnetic core 5, sleeve 3 in be provided with the movable magnetic core 6 that can axially slide, movable magnetic core 6 slip cover be equipped with first rubber seal pad 7, the bottom of movable magnetic core 6 be provided with second rubber seal pad 8, first spring 9, second spring 10 overlap respectively and establish movable magnetic core 6, the one end of first spring 9 set up the surface at bottom plate 2, the other end of first spring 9 set up the upper surface at first rubber seal pad 7, the one end of second spring 10 correspond the lower surface of first rubber seal pad 7, the other end of second spring 10 correspond the upper surface of second rubber seal pad 8.
In this embodiment, the working principle of the present utility model is as follows: firstly, the electromagnetic valve assembly needs to be assembled into a gas appliance firstly, when a user outputs a valve opening control command through a controller of the gas appliance and conveys the valve opening control command to the gas electromagnetic valve, the electromagnetic coil 4 is connected with voltage, as the electromagnetic coil 4 is arranged on the sleeve 3 of the mounting bracket 1 in a surrounding mode, the electromagnetic coil 4 forms a main magnetic loop, the fixed magnetic core 5 generates stronger electromagnetic attraction force due to the electrifying of the electromagnetic coil 4, the movable magnetic core 6 moves into the sleeve 3 under the attraction action of a magnetic field, the second rubber sealing gasket 8 is pushed to the first rubber sealing gasket 7 through the second spring 10 along with the movement of the movable magnetic core 6, the first spring 9 and the second spring 10 are gradually compressed, the first rubber sealing gasket 7 and the second rubber sealing gasket 8 leave two-stage concentric valve ports 18 of the gas appliance, at this time, the movable magnetic core 6 is continuously adsorbed by the fixed magnetic core 5, the first rubber sealing gasket 7 resists the spring force of the first spring 9 under the pushing action of the second rubber sealing gasket 8 and the blocking action of the bottom plate 2, so that the two-stage concentric valve ports 18 of the gas appliance are kept in a two-stage concentric valve opening state through the combustion state; if the gas appliance is required to stop working, a user can output a valve closing control instruction through a controller of the gas appliance and convey the valve closing control instruction to the gas electromagnetic valve, the electromagnetic coil 4 is not connected with voltage, electromagnetic suction force is not generated, the second rubber sealing gasket 8 returns to the original position under the action of the spring force of the second spring 10, and the first rubber sealing gasket 7 returns to the original position under the action of the spring force of the first spring 9, so that the two-stage concentric valve port 18 of the gas appliance is plugged again, a gas pipeline is closed, gas supply is stopped, and the electromagnetic valve assembly can realize simultaneous cut-off of the two-stage concentric valve port 18 by utilizing the single electromagnetic coil 4.
The outer side surface of the movable magnetic core 6 is provided with a clamping groove 11, the upper surface of the first rubber sealing gasket 7 is provided with a sleeve 12 sleeved on the outer side of the movable magnetic core 6, and the end part of the sleeve 12 is provided with a clamping block 13 extending into the clamping groove 11. Under the condition that the movable magnetic core 6 is attracted by electromagnetic attraction force, the combined design of the clamping block 13 and the clamping groove 11 is used for assisting in shrinking the first spring 9, the second spring 10 is prevented from being excessively compressed, the service life is guaranteed, under the condition that the movable magnetic core 6 is not attracted by electromagnetic attraction force any more, the combined design of the clamping block 13 and the clamping groove 11 can assist the first spring 9 and the second spring 10 to push the first rubber sealing gasket 7 and the second rubber sealing gasket 8, and the airtight reliability of a gas appliance is guaranteed.
The lower surface of the first rubber sealing pad 7 is provided with a counter bore 14 which can accommodate the second rubber sealing pad 8. The counter bore 14 can enable the arrangement of the first rubber sealing gasket 7 and the second rubber sealing gasket 8 to be more compact aiming at different heights of the two-stage concentric valve ports 18, so that two gas stops are formed for the two-stage concentric valve ports 18 of the gas appliance, and the airtight reliability of the gas appliance is ensured.
The top of the movable magnetic core 6 is provided with a groove 15, and the bottom of the fixed magnetic core 5 is provided with a boss 16 which can be inserted into the groove 15. The combined design of the groove 15 and the boss 16 can increase the contact area of the movable magnetic core 6 and the fixed magnetic core 5, and when the electromagnetic coil 4 is electrified, the fixed magnetic core 5 and the movable magnetic core 6 can be stably adsorbed together.
The side surface of the boss 16 is provided with an inclined surface, and the side surface of the groove 15 corresponding to the boss 16 is provided with an inclined surface. The shape of the boss 16 can be various trapezoids or triangular lines, the shape of the groove 15 is the same as the shape of the groove, when the fixed magnetic core 5 is provided with electromagnetic attraction, the attraction area of the fixed magnetic core 5 and the movable magnetic core 6 is increased due to the shape design of the inclined planes, so that the electromagnetic attraction is enhanced, the movable magnetic core 6 is enabled to rapidly move and be adsorbed on the fixed magnetic core 5, and the opening speed of the two-stage concentric valve ports 18 of the gas appliance is improved.
The first spring 9 is a tower-shaped spring with a wider upper part and a narrower lower part. The second spring 10 is a tower-shaped spring with a wider upper part and a narrower lower part. The tower-type spring has the characteristics of small volume, large load and small variable stiffness, the pressure born by the tower-type spring in the same installation space is larger than that born by a common spring, the corresponding stored energy is more, the larger pressure can be born under the same deformation amount, the tower-type spring is selected as the first spring 9 and the second spring 10, the service life can be prolonged, and the stable and safe use of the electromagnetic valve assembly is ensured.
The mounting bracket 1 is provided with a metal inserting sheet 17, and the metal inserting sheet 17 is electrically connected with the electromagnetic coil 4. The electromagnetic coil 4 can be connected to an external voltage through the metal insert 17, thereby generating a magnetic field.
Claims (8)
1. The utility model provides a solenoid valve subassembly with two functions of stopping, including installing support (1), its characterized in that: the bottom of installing support (1) be provided with bottom plate (2), installing support (1) on be provided with sleeve (3), the nozzle of sleeve (3) be located the surface of bottom plate (2), the lateral surface of sleeve (3) encircle and be provided with solenoid (4), the barrel bottom of sleeve (3) be provided with and decide magnetic core (5), sleeve (3) in be provided with axial sliding's movable magnetic core (6), movable magnetic core (6) slip cover be equipped with first rubber seal pad (7), the bottom of movable magnetic core (6) be provided with second rubber seal pad (8), first spring (9), second spring (10) overlap respectively and establish movable magnetic core (6) on, the one end of first spring (9) set up the surface at bottom plate (2), the other end of first spring (9) set up the upper surface at first rubber seal pad (7), the one end of second spring (10) correspond the second rubber seal pad (7) under the surface the second spring (8).
2. The solenoid valve assembly with dual shutoff function of claim 1, wherein: the movable magnetic core (6) outside be provided with draw-in groove (11), the upper surface of first rubber seal pad (7) be provided with sleeve pipe (12) of cup joint movable magnetic core (6) outside, the tip of sleeve pipe (12) be provided with fixture block (13) that extend to in draw-in groove (11).
3. The solenoid valve assembly with double shut-off function according to claim 1 or 2, characterized in that: the lower surface of the first rubber sealing pad (7) is provided with a counter bore (14) which can accommodate the second rubber sealing pad (8).
4. The solenoid valve assembly with dual shutoff function of claim 1, wherein: the top of the movable magnetic core (6) is provided with a groove (15), and the bottom of the fixed magnetic core (5) is provided with a boss (16) which can be inserted into the groove (15).
5. The solenoid valve assembly with dual shutoff function of claim 4, wherein: the side surface of the boss (16) is provided with an inclined surface, and the side surface of the groove (15) corresponding to the boss (16) is provided with an inclined surface.
6. The solenoid valve assembly with dual shutoff function of claim 1, wherein: the first spring (9) is a tower-shaped spring with a wide upper part and a narrow lower part.
7. The solenoid valve assembly with dual shutoff function of claim 1, wherein: the second spring (10) is a tower-shaped spring with a wide upper part and a narrow lower part.
8. The solenoid valve assembly with dual shutoff function of claim 1, wherein: the mounting bracket (1) is provided with a metal inserting sheet (17), and the metal inserting sheet (17) is electrically connected with the electromagnetic coil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007077.9U CN220302892U (en) | 2023-07-28 | 2023-07-28 | Solenoid valve assembly with double cut-off functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007077.9U CN220302892U (en) | 2023-07-28 | 2023-07-28 | Solenoid valve assembly with double cut-off functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302892U true CN220302892U (en) | 2024-01-05 |
Family
ID=89354141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322007077.9U Active CN220302892U (en) | 2023-07-28 | 2023-07-28 | Solenoid valve assembly with double cut-off functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302892U (en) |
-
2023
- 2023-07-28 CN CN202322007077.9U patent/CN220302892U/en active Active
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