Multi-ignition piezoelectric gas valve

Abstract

The utility model discloses a multi-ignition piezoelectric gas valve which is characterized by comprising an igniter, a pit plate, an electronic box, a driving hammer, a driving hammer spring, an electronic plate, an igniter mounting seat, a limiting single clamp, a valve closing spring, a valve core assembly, a pulling sheet, a valve blank, an ejector rod, an electromagnetic valve and a nozzle, and the electronic plate, the electronic box, the igniter and a rotating shaft are respectively mounted on the igniter mounting seat; the valve element assembly, the electromagnetic valve and the ejector rod are arranged on the valve blank, the electronic box is provided with a groove position for containing the driving hammer and the driving hammer spring, and the pit plate is fixed to an opening of the groove position. The rotating shaft is connected with and drives the valve element assembly, the valve element assembly comprises a valve element body, a reset spring, a valve closing spring and a spring seat, the spring seat is arranged on the valve element body, the shifting piece is movably installed on the valve element body, and the reset spring and the valve closing spring are arranged on the valve element body in a sleeving mode and arranged on the two sides of the shifting piece respectively. And the poking piece is provided with a plurality of ratchets which are movably clamped and matched with the driving hammer. The device is simple in structure and good in stability.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, and more specifically to a piezoelectric gas valve. Background Art

[0002] In stoves or furnaces that use gas as energy, piezoelectric plug valves are the most widely used valve body structure. The general structure of this type of plug valve includes a plug valve body, a plug valve stem and a plug valve core. The piezoelectric plug valve currently used in gas stoves can only ignite once per button rotation, which is prone to misfire or explosion. In particular, domestic embedded stoves currently use pulse ignition, which has the disadvantages of high material cost and battery replacement after a period of use. Therefore, it is necessary to further improve the existing technology. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and to provide a piezoelectric gas valve which is stable and reliable, can be quickly assembled, ensures the ignition rate, has a low product cost and does not require an external power supply for multiple ignitions.

[0004] The utility model adopts the following technical solutions to achieve the above-mentioned purpose: a multiple ignition piezoelectric gas valve, characterized in that it includes an igniter, a pit plate, an electronic box, a hammer, a hammer spring, an electronic board, an igniter mounting seat, a limit single card, a valve closing spring, a valve core assembly, a puller, a valve embryo, a push rod, a solenoid valve, a nozzle, and a rotating shaft. The electronic board, the electronic box, the igniter, and the rotating shaft are respectively mounted on the igniter mounting seat, the valve core assembly, the solenoid valve, and the push rod are respectively arranged on the valve embryo, the electronic box is provided with a slot for accommodating the hammer and the hammer spring, and the pit plate is fixed at the opening of the slot;

[0005] The rotating shaft is connected to drive the valve core assembly, and the valve core assembly includes a valve core body, a reset spring, a valve closing spring, and a spring seat. The spring seat is arranged on the valve core body, and the paddle is movably installed on the valve core body. The reset spring and the valve closing spring are sleeved on the valve core body and are arranged on both sides of the paddle; the paddle is provided with a plurality of ratchets that are movably engaged with the hammer. By pressing the button and rotating the paddle, the hammer can be driven to move along the slot and hit the igniter; when the button is released, the reset spring on the spring seat is reset, so that the paddle is separated from the contact with the hammer. The firepower can be adjusted by rotating the button, and no ignition action will occur.

[0006] As a further illustration of the above scheme, the electronic box is provided with a positioning slot, and the igniter is movably installed in the positioning slot. The igniter is located at one end of the slot. After the hammer is installed in the slot, it is in movably contact with the igniter to realize the impact ignition function.

[0007] Furthermore, the igniter mounting seat is provided with a mounting groove for accommodating the electronic box and the igniter, and the pit plate includes a bottom plate and an end plate, and the bottom plate is connected and fixed to the mounting groove by fasteners, so that disassembly and assembly are convenient.

[0008] Furthermore, a spring seat is integrally formed on the valve core body, or the spring seat is movably mounted on the valve core body; and a return spring is connected between the spring seat and the paddle.

[0009] Furthermore, the hammer spring is connected to the end of the hammer, and the hammer is provided with a protrusion extending outward, and the ratchet of the paddle is movably engaged with the protrusion.

[0010] Preferably, a plurality of ratchet teeth are arranged along the circumference of the paddle, and a strip-shaped hole is arranged in the middle of the paddle to allow the valve core to pass through.

[0011] Furthermore, the valve embryo is provided with a pipe sleeve corresponding to the nozzle, and the nozzle is arranged in the pipe sleeve.

[0012] The beneficial effects that can be achieved by the utility model using the above technical solution are:

[0013] The utility model adopts the method of installing the hammer, hammer spring and electronic box as a whole, and quickly assembles them with the igniter to the igniter mounting seat, so that the structure is stable and the disassembly and assembly are convenient; in the design of the paddle, a plurality of ratchets are arranged along the circumference of the paddle, so that multiple ignitions can be realized; a spring seat is added to the valve core body, and a reset spring is placed on the spring seat. When igniting, the button is pressed and the rotating shaft is rotated to make the paddle drive the hammer to compress the hammer spring to complete the ignition action. When the button is released, the reset spring on the spring seat is reset, so that the paddle is separated from the contact with the hammer. The button can be rotated to adjust the firepower, and no ignition action will occur, and the stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 Schematic diagram of the paddle structure;

[0017] Figure 4 This is a schematic diagram of the hammer installation structure;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 6 It is a schematic diagram of the integrated spring seat structure;

[0020] Figure 7 It is a schematic diagram of the split spring seat structure.

[0021] Explanation of the accompanying drawings: 1, igniter 2, pit plate 2-1, bottom plate 2-2, end plate 3, electronic box 3-1, slot 3-2, positioning card slot 4, hammer 5, hammer spring 6, electronic board 7, igniter mounting seat 7-1, mounting slot 8, limit single card 9, damper 10, valve core assembly 10-1, valve core body 10-2, return spring 10-3, valve closing spring 10-4, spring seat 11, pull piece 11-1, ratchet 11-2, strip hole 12, valve embryo 13, push rod 14, solenoid valve 15, nozzle 16, rotating shaft. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, "at least" means one or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0026] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model. Example

[0027] like Figure 1-Figure 6 As shown, the utility model is a multiple ignition piezoelectric gas valve, including an igniter 1, a pit plate 2, an electronic box 3, a hammer 4, a hammer spring 5, an electronic board 6, an igniter mounting seat 7, a limit single card 8, a damper 9, a valve core assembly 10, a pull piece 11, a valve embryo 12, a push rod 13, a solenoid valve 14, a nozzle 15, and a rotating shaft 16. The electronic board 6, the electronic box 3, the igniter 1, and the rotating shaft 16 are respectively mounted on the igniter mounting seat 7, the valve core assembly 10, the solenoid valve 16 and the push rod 15 are respectively arranged in the valve embryo, the electronic box 3 is provided with a slot 3-1 for accommodating the hammer and the hammer spring, and the pit plate is fixed at the opening of the slot 3-1; the rotating shaft 16 is connected to drive the valve core assembly 10, and the valve core assembly 10 includes a valve core body 10-1, a reset spring 10-2, a valve closing spring 10- 3. Spring seat 10-4, paddle 11 is movably installed on the valve core body 10-1, the reset spring 10-2 and the valve closing spring 10-3 are sleeved on the valve core body and are separately arranged on both sides of the paddle 11; the paddle 11 is provided with a plurality of ratchets 11-1 which are movably engaged with the hammer, and the plurality of ratchets 11-1 are arranged along the circumference of the paddle, and a strip hole 11-2 is arranged in the middle of the paddle to allow the valve core body to pass through, and by pressing the button and rotating the paddle, the hammer can be driven to move along the slot and hit the igniter, so that multiple ignitions can be achieved with each rotation of the button, the structure is simple, the product cost is reduced, and the ignition requirements of the gas stove are met; when the button is released, the reset spring on the spring seat is reset, so that the paddle is separated from the contact with the hammer, and the button can be rotated to adjust the firepower without ignition.

[0028] In this embodiment, the electronic box 3 is provided with a positioning card slot 3-2, and the igniter is movably installed in the positioning card slot 3-2. The igniter is located at one end of the slot. After the hammer is installed in the slot, it is in active contact with the igniter to realize the impact ignition function. The igniter mounting seat 7 is provided with a mounting slot 7-1 for accommodating the electronic box and the igniter. The pit plate 2 includes a bottom plate 2-1 and an end plate 2-2. The bottom plate is connected and fixed to the mounting slot by fasteners, which is convenient for disassembly and assembly. The hammer spring is connected to the end of the hammer, and the hammer is provided with a protrusion extending outward. The ratchet of the paddle is movably engaged with the protrusion.

[0029] In this embodiment, the spring seat 10 - 4 is an integrally formed structure with the valve core body and is used to fix the return spring so that the return spring is connected and positioned between the spring seat and the paddle. Example

[0030] like Figure 7 As shown, in this embodiment, the spring seat 10-4 is a combined installation structure with the valve core body, and the spring seat is a positioning baffle sleeved on the valve core body. The positioning baffle is installed by setting a step surface on the valve core body for positioning.

[0031] Compared with the prior art, the utility model adopts a paddle with a multi-ratchet design to realize multiple ignitions; it can realize rapid assembly of the igniter, the electronic box, the hammer, and the hammer spring, and has a stable structure; a spring seat is added to the valve core body, and a reset spring is placed on the spring seat; when igniting, the button is pressed, the rotating shaft is rotated to make the paddle drive the hammer to compress the hammer spring to complete the ignition action, and the button is released, the reset spring on the spring seat is reset to make the paddle disengage from the contact with the hammer, and the button can be rotated to adjust the firepower without ignition action.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A multiple ignition piezoelectric gas valve, characterized in that: It includes an igniter, a pit plate, an electronic box, a hammer, a hammer spring, an electronic board, an igniter mounting seat, a limit single card, a valve closing spring, a valve core assembly, a puller, a valve embryo, a push rod, a solenoid valve, a nozzle, and a rotating shaft. The electronic board, the electronic box, the igniter, and the rotating shaft are respectively mounted on the igniter mounting seat, the valve core assembly, the solenoid valve, and the push rod are respectively arranged on the valve embryo, the electronic box is provided with a slot for accommodating the hammer and the hammer spring, and the pit plate is fixed at the opening of the slot; The rotating shaft connection drives the valve core assembly, and the valve core assembly includes a valve core body, a reset spring, a valve closing spring, and a spring seat. The spring seat is arranged on the valve core body, and the paddle is movably installed on the valve core body. The reset spring and the valve closing spring are sleeved on the valve core body and are arranged on both sides of the paddle. The paddle is provided with a plurality of ratchets that are movably engaged with the hammer.

2. A multiple ignition piezoelectric gas valve according to claim 1, characterized in that: The electronic box is provided with a positioning card slot, and the igniter is movably installed in the positioning card slot. The igniter is located at one end of the slot, and the hammer is movably contacted with the igniter after being installed in the slot.

3. A multiple ignition piezoelectric gas valve according to claim 1, characterized in that: The igniter mounting seat is provided with a mounting groove for accommodating the electronic box and the igniter, and the pit plate includes a bottom plate and an end plate, and the bottom plate is connected and fixed to the mounting groove by fasteners.

4. A multiple ignition piezoelectric gas valve according to claim 1, characterized in that: The spring seat is an integrally formed structure with the valve core body, or the spring seat is movably mounted on the valve core body; the return spring is connected between the spring seat and the paddle.

5. The multiple ignition piezoelectric gas valve according to claim 1, characterized in that: The hammer spring is connected to the end of the hammer, and the hammer is provided with a protrusion extending outward, and the ratchet teeth of the paddle are movably engaged with the protrusion.

6. A multiple ignition piezoelectric gas valve according to claim 5, characterized in that: A plurality of ratchet teeth are arranged along the circumference of the paddle, and a strip hole is arranged in the middle of the paddle to allow the valve core to pass through.

7. The multiple ignition piezoelectric gas valve according to claim 1, characterized in that: The valve embryo is provided with a pipe sleeve corresponding to the nozzle, and the nozzle is arranged in the pipe sleeve.

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