Flameout protection device easy to install

Abstract

The utility model discloses a flame-out protection device easy to install, and relates to the technical field of combustion appliance accessories. Comprising a thermocouple assembly and an electromagnetic valve, the thermocouple assembly comprises a high-temperature wire and a tin-copper wire, and aircraft joints are arranged at one ends of the high-temperature wire and the tin-copper wire; the electromagnetic valve comprises a valve cover, a valve element is arranged in the valve cover, and one end of the valve cover is provided with inserting needles which are movably connected with the two aircraft connectors in an inserted mode respectively. The thermocouple assembly and the solenoid valve are installed and connected in a direct insertion mode, the structure is simple and compact, the mode that a solenoid valve flange frame and a thermocouple lug plate are connected through screwing screws is omitted, disassembly, installation, replacement and maintenance are easy, the coil and valve seat welding technology is omitted, copper foam and aluminum foam cannot be generated, and the quality defect of a product caused by the spot welding technology is reduced; and the arrangement of the fool-proof bulge and the fool-proof clamping groove avoids the situation that the contact pin is damaged by wrong insertion, so that the use is safer, the economic benefit is met, and the application prospect is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of combustion appliance accessories, in particular to an easy-to-install flameout protection device. BACKGROUND

[0002] When the combustion appliance leaks, the flameout protection device installed in the combustion appliance cuts off the gas passage, prevents gas leakage, and eliminates the risk of causing safety, life or property accidents and losses. The flameout protection devices used in the market are connected by the line head of the magnetic core coil of the electromagnetic valve to the valve seat, the valve seat is connected to the flange or the threaded connection, the flange or the threaded valve seat is connected to the thermocouple aircraft connector and the terminal together. This connection method has many disadvantages:

[0003] 1. The coil wire head spot-welded to the valve seat will produce copper or aluminum powder. If the copper or aluminum powder is not cleaned properly, it will fall off onto the surface of the magnetic core and the magnetic sheet during use, causing the flameout protection device to malfunction and the combustion appliance to fail to start normally.

[0004] 2. The connection of the flange of the electromagnetic valve to the terminal of the thermocouple increases the screwing process, which increases the installation cost of the customer and is not convenient for maintenance and replacement. UTILITY MODEL CONTENTS

[0005] The utility model provides an easy-to-install flameout protection device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an easy-to-install flameout protection device, comprising a thermocouple assembly and an electromagnetic valve, the thermocouple assembly comprising a high-temperature wire and a tin-copper wire, one end of the high-temperature wire and the tin-copper wire being provided with an aircraft connector;

[0007] The electromagnetic valve comprises a valve cover, the inside of the valve cover being provided with a valve core, one end of the valve cover being provided with two insertion pins movably inserted with the two aircraft connectors respectively, one end of the insertion pin being fixedly connected with the coil outside the valve core.

[0008] Further, one end of the high-temperature wire and the tin-copper wire is commonly sleeved with a terminal sleeve, and the aircraft connector is arranged inside the terminal sleeve.

[0009] Further, one end of the valve cover is provided with a three-wire connector seat movably inserted with one end of the terminal sleeve, and the insertion pin is arranged inside the three-wire connector seat.

[0010] Further, the inside of the three-wire connector seat is provided with a foolproof protrusion, and the outside of the terminal sleeve is provided with a foolproof slot movably sleeved with the foolproof protrusion.

[0011] Further, the high-temperature wire and the tin copper wire are jointly sleeved with a wiring sleeve sheath, one end of which is sleeved with one end of the wiring sleeve.

[0012] Further, one end of the valve cover is provided with a valve seat, the inside of the valve seat is provided with a three-wire insulation cover, and one end of the pin penetrates through the three-wire insulation cover and is fixed with the coil.

[0013] Further, the three-wire connecting seat is arranged at one end of the valve seat, and the three-wire connecting seat and the opposite end of the valve seat are jointly sleeved with a flange frame.

[0014] Further, the inside of the valve cover is provided with a valve shaft extending to the outside of the valve cover.

[0015] Compared with the prior art, the easy-to-install flameout protection device has the following beneficial effects:

[0016] The easy-to-install flameout protection device adopts a straight insertion type installation connection of the thermocouple assembly and the electromagnetic valve, has a compact structure, cancels the screw connection mode of the electromagnetic valve flange frame and the thermocouple wiring sheet, is easy to disassemble, install, replace and maintain, cancels the welding process of the coil and the valve seat, does not produce copper and aluminum powder, reduces the quality defects of the product itself caused by the spot welding process, and the setting of the foolproof protrusion and the foolproof clamping groove does not cause the wrong insertion damage to the pin, is safer to use, is in line with economic benefits, and has a wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural sectional view of the utility model;

[0019] Figure 3 It is an electromagnetic valve structural sectional view of the utility model;

[0020] Figure 4 It is a foolproof protrusion and foolproof clamping groove separation state schematic view of the utility model;

[0021] Figure 5 It is a valve shaft far from the valve core structural schematic view of the utility model.

[0022] In the drawing: 1, thermocouple assembly; 11, high-temperature wire; 12, tin copper wire; 13, wiring sleeve; 14, wiring sleeve sheath; 15, aircraft joint; 16, foolproof clamping groove; 2, electromagnetic valve; 21, valve cover; 22, valve core; 23, coil; 24, valve seat; 25, three-wire connecting seat; 251, foolproof protrusion; 26, three-wire insulation cover; 27, pin; 28, flange frame; 29, valve shaft. DETAILED DESCRIPTION

[0023] In order to enable more detailed understanding of the features and technical contents of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below, and the attached drawings are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0024] The terms "first", "second", etc. in the description and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0025] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present disclosure and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0026] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above-mentioned terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0027] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0028] Please refer to Figures 1-5 The utility model discloses an easy installation type flameout protection device, including thermocouple assembly 1 and solenoid valve 2, thermocouple assembly 1 includes high temperature wire 11 and tin copper wire 12, one end of high temperature wire 11 and tin copper wire 12 all is provided with aircraft connector 15.

[0029] The solenoid valve 2 includes a valve cover 21 , a valve core 22 is provided inside the valve cover 21 , and one end of the valve cover 21 is provided with a pin 27 movably connected to two aircraft connectors 15 , and one end of the pin 27 is fixedly connected to the coil 23 outside the valve core 22 .

[0030] Specifically, one end of the high-temperature wire 11 and the tin-copper wire 12 are jointly sleeved with a wiring sleeve 13, and the aircraft connector 15 is arranged inside the wiring sleeve 13. The high-temperature wire 11 and the tin-copper wire 12 are jointly sleeved with a wiring sleeve 13 sheath whose one end is sleeved with one end of the wiring sleeve 13. The wiring sleeve 13 is used to assemble one end of the high-temperature wire 11 and the tin-copper wire 12 with the aircraft connector 15. The wiring sleeve 13 sheath is used to further protect the connection between the high-temperature wire 11 and the tin-copper wire 12 and the wiring sleeve 13, and at the same time forms a step difference between the wiring sleeve 13, which makes it convenient for the user to pinch the wiring sleeve 13 for plugging and unplugging, making it more convenient to use.

[0031] Specifically, one end of the valve cover 21 is provided with a three-wire connection seat 25 movably connected to one end of the wiring sleeve 13 , and the pin 27 is provided inside the three-wire connection seat 25 .

[0032] Specifically, the interior of the three-wire connector 25 is provided with an anti-foolproof protrusion 251, and the exterior of the wiring sleeve 13 is provided with an anti-foolproof slot 16 movably connected to the anti-foolproof protrusion 251. The high-temperature wire 11 is relatively thick, and the tin copper wire 12 is relatively thin. The two aircraft connectors 15 opposite to the high-temperature wire 11 and the tin copper wire 12 are also thick and thin. Correspondingly, the two pins 27 are also thick and thin. In order to avoid the thick pins 27 from being plugged into the thin aircraft connector 15, the anti-foolproof protrusion 251 and the anti-foolproof slot 16 are provided. When the anti-foolproof protrusion 251 is opposite to the anti-foolproof slot 16, the two aircraft connectors 15 and the pins 27 are correctly opposite to each other and can be directly inserted. The operation process is simple, fast, and more convenient to use.

[0033] Specifically, a valve seat 24 is provided at one end of the valve cover 21, and a three-wire insulating cover 26 is provided inside the valve seat 24. One end of the pin 27 passes through the three-wire insulating cover 26 and is fixed to the coil 23. The positive and negative coils 23 of the solenoid valve 2 avoid the valve seat 24 and are connected to the flange frame 28. The positive and negative poles of the magnetic core coil 23 of the solenoid valve 2 are all changed into the shape of the pin 27. The method of screwing the flange frame 28 of the solenoid valve 2 and the thermocouple wiring sleeve 13 is cancelled, and a direct plug-in connection method is adopted. The structure is simple and compact, in line with economic benefits, and has broad application prospects.

[0034] Specifically, the three-wire connecting seat 25 is arranged at one end of the valve seat 24, and the three-wire connecting seat 25 and the opposite end of the valve seat 24 are jointly sleeved with the flange frame 28, the inside of the valve cover 21 is provided with the valve shaft 29 extending to the outside of the valve cover 21, and the flange frame 28 is used for mounting the combined thermocouple assembly 1 and the electromagnetic valve 2 on the combustion appliance.

[0035] In summary, the easy-to-install type flameout protection device, the thermocouple assembly 1 and the electromagnetic valve 2 are directly inserted and connected, the structure is simple and compact, the screw connection mode of the flange frame 28 of the electromagnetic valve 2 and the thermocouple connecting piece is cancelled, easy to disassemble and install, replace and maintain, the welding process of the coil 23 and the valve seat 24 is cancelled, copper and aluminum powder cannot be produced, the quality defects caused by the spot welding process to the product itself are reduced, the fool-proof convex 251 and the fool-proof clamping groove 16 are arranged, the plug-in damage to the plug pin 27 cannot occur, the use is safer, the economic benefits are met, the application prospect is wide.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An easy-to-install flameout protection device, comprising a thermocouple assembly (1) and a solenoid valve (2), characterized in that: The thermocouple assembly (1) comprises a high-temperature wire (11) and a tin-copper wire (12), and one end of each of the high-temperature wire (11) and the tin-copper wire (12) is provided with an aircraft connector (15); The solenoid valve (2) comprises a valve cover (21), a valve core (22) is provided inside the valve cover (21), one end of the valve cover (21) is provided with a pin (27) which is movably connected to two aircraft connectors (15) respectively, and one end of the pin (27) is fixedly connected to a coil (23) outside the valve core (22).

2. The easy-to-install flameout protection device according to claim 1, characterized in that: One end of the high-temperature conductor (11) and the tin-copper wire (12) is commonly sleeved with a wiring sleeve (13), and the aircraft connector (15) is arranged inside the wiring sleeve (13).

3. The easy-to-install flameout protection device according to claim 2, characterized in that: One end of the valve cover (21) is provided with a three-wire connection seat (25) that is movably plugged into one end of the wiring sleeve (13), and the plug pin (27) is arranged inside the three-wire connection seat (25).

4. The easy-to-install flameout protection device according to claim 3, characterized in that: The interior of the three-wire connection seat (25) is provided with an anti-fouling protrusion (251), and the exterior of the wiring sleeve (13) is provided with an anti-fouling slot (16) movably sleeved with the anti-fouling protrusion (251).

5. The easy-to-install flameout protection device according to claim 1, characterized in that: The high-temperature conductor (11) and the tin-copper wire (12) are both covered with a wiring sleeve (13) sheath, one end of which is sheathed with one end of the wiring sleeve (13).

6. The easy-to-install flameout protection device according to claim 1, characterized in that: One end of the valve cover (21) is provided with a valve seat (24), a three-wire insulation cover (26) is provided inside the valve seat (24), and one end of the pin (27) passes through the three-wire insulation cover (26) and is fixed to the coil (23).

7. The easy-to-install flameout protection device according to claim 3, characterized in that: The three-wire connection seat (25) is arranged at one end of the valve seat (24), and the three-wire connection seat (25) and the opposite end of the valve seat (24) are jointly sleeved with a flange frame (28).

8. The easy-to-install flameout protection device according to claim 1, characterized in that: A valve shaft (29) is provided inside the valve cover (21) and has one end extending to the outside of the valve cover (21).

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