Normally-closed electromagnetic gas cut-off valve capable of wirelessly controlling on-off

Abstract

The utility model discloses a normally-closed electromagnetic gas stop valve capable of being wirelessly controlled to be on and off, relates to the technical field of valves, and can solve the problem that an existing heparin pump cannot detect the size of an injector. The normally-closed type electromagnetic gas cut-off valve capable of wirelessly controlling on-off comprises a valve body, a valve cover and a valve rod, and further comprises a closed type shell which is arranged on the valve cover and provided with a movable cavity, and an electromagnet assembly which is arranged in the closed type shell and used for pulling the valve rod to be away from a valve port. The end, away from the valve clack, of the valve rod is located in the movable cavity. And the wireless control assembly is used for controlling the on-off of a circuit of the electromagnet assembly and is arranged in the closed shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a kind of normally closed electromagnetic gas cut-off valves of wireless control on-off. BACKGROUND

[0002] After the flow of household gas flows out from gas main pipeline, its flow direction is generally according to steel structure gas branch pipe, gas meter, gas cut-off master valve, indoor steel structure lining gas hose and the final gas igniter.

[0003] At present, to ensure gas safety, staff will regularly check in, infer whether there is gas leakage, try to ensure gas safety, but in the middle of adjacent detection nodes Time period, that is, the time period between the current detection and the next detection, once gas leakage occurs and other problems, ordinary personnel without professional knowledge and professional tools are difficult to judge.

[0004] The existing gas cut-off master valve is troublesome to open and close, and generally, to facilitate gas use, the household gas cut-off master valve is in a normally open state for a long time, so that the gas user can "ignite at a point", and the existing gas cut-off master valve structure is not suitable for long-time frequent start-stop, which will cause excessive mechanical wear and tear, and thus cause leakage hazards at the gas cut-off master valve.

[0005] Therefore, based on the above background, the inventor designs a normally closed electromagnetic gas cut-off valve that can be wirelessly controlled on-off, to provide an application basis for wireless on-off control of household gas pipeline. SUMMARY

[0006] The purpose of the present application is to provide a normally closed electromagnetic gas cut-off valve that can be wirelessly controlled on-off, to solve the problem that existing gas pipelines cannot be wirelessly controlled on-off.

[0007] To solve the above technical problems, the utility model adopts the following scheme:

[0008] The present application provides a normally closed electromagnetic gas cut-off valve that can be wirelessly controlled on-off, comprising a valve body and a valve cover, a valve stem, a closed housing with a movable cavity disposed on the valve cover, and an electromagnet assembly disposed in the closed housing and used to pull the valve stem away from the valve port.

[0009] The end of the valve stem away from the valve flap is located in the movable cavity.

[0010] It also includes a wireless control assembly for controlling the on-off of the electromagnet assembly circuit, which is disposed in the closed housing.

[0011] Optionally, the wireless control component includes a relay module and a wireless communication module, wherein the relay module and the wireless communication module are electrically connected;

[0012] The electromagnet assembly includes an iron core fixed in a closed housing and an electromagnetic winding wound on the iron core. The two ends of the electromagnetic winding are electrically connected to the output end of the relay module.

[0013] Optionally, the wireless communication module can be either a Wi-Fi module or a Bluetooth module.

[0014] Optionally, the relay module is a single-channel relay.

[0015] Optionally, a limit ring protrusion is provided on the valve stem;

[0016] It also includes a return spring fitted on the valve stem, with one end of the return spring pressing against the limit ring protrusion and the other end pressing against the enclosed housing.

[0017] Optionally, the valve cover is detachably and fixedly connected to the enclosed housing.

[0018] Optionally, a spring mounting sleeve is provided on the top of the valve cover;

[0019] The limiting ring protrusion and the return spring are both located inside the spring mounting sleeve, and the outer circumference of the spring mounting sleeve is provided with several external threads. The valve cover is fixedly connected to the closed housing thread through the external threads on the spring mounting sleeve.

[0020] Optionally, it may also include a valve disc disposed at the end of the valve stem, the valve disc and / or the limiting ring being detachably fixed to the valve stem.

[0021] The beneficial effects of this utility model are:

[0022] This application sets up an electromagnet component and a wireless control component, enabling the wireless control component to control the electromagnet component, which in turn controls the movement of the valve stem, thereby controlling the opening and closing of the entire valve. After installing this application on the gas pipeline entering the house, it can effectively solve the problem that the existing gas pipeline cannot be wirelessly controlled to open and close. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of an embodiment of this application.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1-Valve body, 11-Valve port, 2-Valve cover, 22-Leakage-proof gasket, 3-Valve stem, 31-Limiting ring protrusion, 32-Valve disc, 4-Reset spring, 5-Enclosed housing, 51-Moving cavity, 6-Electromagnet assembly, 61-Iron core, 62-Electromagnetic winding, 7-Relay module, 8-Wireless communication module. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0027] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] like Figure 1 As shown, this embodiment provides a normally closed electromagnetic gas shut-off valve that can be wirelessly controlled to open and close, including a valve body 1, a valve cover 2, and a valve stem 3, and also includes a closed housing 5 disposed on the valve cover 2 and having a movable cavity 51, and an electromagnet assembly 6 disposed in the closed housing 5 and used to pull the valve stem 3 away from the valve port 11.

[0031] The end of the valve stem 3 away from the valve disc 32 is located inside the movable cavity 51;

[0032] It also includes a wireless control component for controlling the on / off state of the electromagnet assembly 6 circuit, which is housed within a closed housing 5.

[0033] This embodiment sets up an electromagnet assembly 6 and a wireless control assembly, so that the wireless control assembly can control the electromagnet assembly 6, and then control the movement of the valve stem 3 through the electromagnet assembly 6, thereby controlling the opening and closing of the entire valve. After this application is installed on the gas pipeline entering the house, the problem that the existing gas pipeline cannot be wirelessly controlled to open and close can be effectively solved.

[0034] Furthermore, since the valve in this embodiment is a normally closed valve, the entire gas passage can be kept in a continuously disconnected state when there is no demand for gas. Even if the gas pipeline entering the house leaks, the total amount of leakage is fixed, thereby fundamentally solving the problem of deflagration and explosion that may be caused by gas leaks.

[0035] Specifically, in this embodiment, the wireless control component includes a relay module 7 and a wireless communication module 8, with the relay module 7 and the wireless communication module 8 electrically connected.

[0036] The electromagnet assembly 6 includes an iron core 61 fixed inside the enclosed housing 5, and an electromagnetic winding 62 wound on the iron core 61. The two ends of the electromagnetic winding 62 are electrically connected to the output end of the relay module 7.

[0037] Specifically, the wireless communication module 8 is either a Wi-Fi module or a Bluetooth module. In some embodiments, the wireless communication module 8 can also be set as a 4G communication module. Technicians can also set up a Wi-Fi module, a Bluetooth module and a 4G communication module at the same time as needed. The wireless communication module 8 mentioned above are all existing component products that can be purchased directly, and will not be described in detail here.

[0038] In this embodiment, the wireless communication module 8 is a Wi-Fi module, which can be connected to the home's wireless local area network for convenient control. Controlling the relay through the wireless module is existing technology and will not be described in detail here.

[0039] Specifically, in this embodiment, the relay module 7 is a single-channel relay. It is a conventional component and will not be described in detail here.

[0040] Specifically, in this embodiment, a limiting ring protrusion 31 is provided on the valve stem 3;

[0041] It also includes a return spring 4 fitted on the valve stem 3. One end of the return spring 4 presses against the limiting ring protrusion 31, and the other end presses against the closed housing 5. By setting the return spring 4, the valve stem 3 and its valve disc 32 completely block the valve port 11 when the electromagnetic component is de-energized, so that the valve as a whole is in a closed state.

[0042] Specifically, in this embodiment, the valve cover 2 is detachably and fixedly connected to the enclosed housing 5, which facilitates the installation of components such as the electromagnetic assembly, valve stem 3, and return spring 4.

[0043] Specifically, in this embodiment, a spring mounting sleeve is provided on the top of the valve cover 2;

[0044] The limiting ring protrusion 31 and the reset spring 4 are both located inside the spring mounting sleeve, and the outer circumference of the spring mounting sleeve is provided with several external threads. The valve cover 2 is threadedly fixed to the closed housing 5 through the external threads on the spring mounting sleeve.

[0045] Specifically, in this embodiment, a valve disc 32 is also provided at the end of the valve stem 3. The valve disc 32 and / or the limiting ring protrusion 31 are detachably fixed on the valve stem 3. In this embodiment, the valve disc 32 is threadedly connected to the valve stem 3. In some embodiments, the limiting ring protrusion 31 can be a ring threadedly connected to the valve stem 3.

[0046] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of this utility model, and the utility model is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of this utility model, and these modifications and improvements are also considered to be within the protection scope of this utility model.

Claims

1. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state, comprising a valve body (1), a valve cover (2), and a valve stem (3), characterized in that, It also includes a closed housing (5) disposed on the valve cover (2) and having a movable cavity (51), and an electromagnet assembly (6) disposed in the closed housing (5) for pulling the valve stem (3) away from the valve port (11); The end of the valve stem (3) away from the valve disc (32) is located in the movable cavity (51); It also includes a wireless control component for controlling the on / off state of the electromagnet assembly (6) circuit, the wireless control component being housed within a closed housing (5).

2. The normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 1, characterized in that, The wireless control component includes a relay module (7) and a wireless communication module (8), and the relay module (7) and the wireless communication module (8) are electrically connected; The electromagnet assembly (6) includes an iron core (61) fixed inside a closed housing (5) and an electromagnetic winding (62) wound on the iron core (61). The two ends of the electromagnetic winding (62) are electrically connected to the output end of the relay module (7).

3. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 2, characterized in that, The wireless communication module (8) is a Wi-Fi module and / or a Bluetooth module.

4. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 2, characterized in that, The relay module (7) is a single-channel relay.

5. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 1, characterized in that, The valve stem (3) is provided with a limiting ring protrusion (31); It also includes a return spring (4) fitted on the valve stem (3), one end of which presses against the limiting ring protrusion (31), and the other end presses against the closed housing (5).

6. A normally closed electromagnetic gas shut-off valve with wirelessly controllable on / off switching as described in claim 5, characterized in that, The valve cover (2) is detachably and fixedly connected to the enclosed housing (5).

7. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 6, characterized in that, A spring mounting sleeve is provided on the top of the valve cover (2); The limiting ring protrusion (31) and the reset spring (4) are both located inside the spring mounting sleeve, and the outer circumference of the spring mounting sleeve is provided with several external threads. The valve cover (2) is threadedly fixed to the closed housing (5) through the external threads on the spring mounting sleeve.

8. A normally closed electromagnetic gas shut-off valve with wireless controllable on / off state according to claim 5, characterized in that, It also includes a valve disc (32) disposed at the end of the valve stem (3), and the valve disc (32) and / or the limiting ring protrusion (31) are detachably fixed on the valve stem (3).

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