Multi-ignition piezoelectric plug valve

Abstract

The utility model discloses a multi-time piezoelectric plug valve which is characterized by comprising an igniter mounting seat, a piezoelectric igniter, a pit plate, a clamp spring, a driving hammer, a driving hammer spring, an electronic plate, a rotating shaft, an electromagnetic valve, a valve core, a pulling sheet, a valve body, an ejector rod and a nozzle, the igniter mounting seat and the ejector rod are respectively connected with the valve body, the valve core is arranged on the valve body, the rotating shaft is connected with and drives the valve core, and the nozzle is connected with the piezoelectric igniter. The valve element is connected with the shifting piece, the electromagnetic valve is arranged on the valve body, and the electromagnetic valve is electrically connected with the electronic board. The igniter installation seat is provided with a groove position for containing the piezoelectric igniter, the driving hammer, the clamping spring and the driving hammer spring, the pit plate is fixed to an opening of the groove position, the poking piece is provided with a plurality of ratchets which are movably clamped and matched with the driving hammer, and the driving hammer can be driven to move along the groove position by rotating the poking piece to impact the piezoelectric igniter. The device is simple in structure, good in stability and low in cost.

Description

Technical Field

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

[0002] In stoves or cookers 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, currently embedded gas stoves use pulse ignition, which has a complex ignition structure and a high product cost. 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 multiple ignition piezoelectric cock valve which has a simple structure, reduces product cost and meets the ignition requirements of gas cookers.

[0004] The utility model adopts the following technical solutions to achieve the above-mentioned purpose: a multiple ignition piezoelectric plug valve, characterized in that it includes an igniter mounting seat, a piezoelectric igniter, a pit plate, a retaining spring, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve core, a pull piece, a valve body, a push rod, and a nozzle. The igniter mounting seat and the push rod are respectively connected to the valve body, the valve core is arranged on the valve body, the rotating shaft is connected to drive the valve core, the valve core is connected to the pull piece, the solenoid valve is arranged on the valve body, and the solenoid valve is electrically connected to the electronic board.

[0005] The igniter mounting seat is provided with a slot for accommodating the piezoelectric igniter, hammer, retaining ring and hammer spring. The pit plate is fixed at the opening of the slot. The paddle is provided with multiple ratchets that are movably engaged with the hammer. By rotating the paddle, the hammer can be driven to move along the slot to hit the piezoelectric igniter.

[0006] As a further illustration of the above solution, the igniter mounting seat is provided with a bearing seat, the electronic board is mounted on the bearing seat, and the rotating shaft is connected to the valve core.

[0007] 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.

[0008] 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.

[0009] Furthermore, the valve body is provided with a cavity for accommodating the valve core and the paddle, and the side of the cavity is provided with an opening, and the ratchet teeth of the paddle pass through the opening and are engaged with the hammer.

[0010] Furthermore, the pit plate includes a bottom plate and an end plate, the bottom plate is connected and fixed to the igniter mounting seat by fasteners; one end of the igniter is pressed against the end plate, and the other end is clamped with the slot by a retaining spring, and the end of the hammer is in active contact with the end of the igniter.

[0011] Furthermore, the valve body 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 by adopting the above technical solution are:

[0013] The utility model adopts a piezoelectric plug valve structure which is mainly composed of an igniter mounting seat, a piezoelectric igniter, a pit plate, a retaining spring, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve core, a pull piece, a valve body, a push rod, and a nozzle. The pull piece is provided with a plurality of ratchets which are movably engaged with the hammer. The hammer can be driven to move along the slot and hit the igniter by rotating the pull piece. Since there are multiple ratchets, multiple ignitions can be achieved each time the button is rotated. The operation is simple, the stability is good, and the product cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the stripping structure.

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Description of the accompanying drawings: 1, igniter mounting seat 2, piezoelectric igniter 3, pit plate 3-1, bottom plate 3-2, end plate 4, retaining spring 5, hammer 5-1, bump 6, hammer spring 7, electronic board 8, rotating shaft 9, solenoid valve 10, valve core 11, paddle 11-1, ratchet 11-2, strip hole 12, valve body 13, push rod 14, nozzle 15, pipe sleeve DETAILED DESCRIPTION

[0019] 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] 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.

[0024] like Figure 1-Figure 4As shown, the utility model is a multiple piezoelectric plug valve, including an igniter mounting seat 1, a piezoelectric igniter 2, a pit plate 3, a retaining spring 4, a hammer 5, a hammer spring 6, an electronic board 7, a rotating shaft 8, a solenoid valve 9, a valve core 10, a puller 11, a valve body 12, a push rod 13, and a nozzle 14. The igniter mounting seat 1 and the push rod 13 are respectively connected to the valve body 12, the valve core 10 is arranged on the valve body 12, the valve body 12 is provided with a pipe sleeve 15 corresponding to the nozzle 14, and the nozzle 14 is arranged in the pipe sleeve 15. The rotating shaft 8 is connected to drive the valve core 10, the valve core 10 is connected to the paddle 11, the solenoid valve 9 is arranged on the valve body 12, and the solenoid valve 9 is electrically connected to the electronic board 7; the igniter mounting seat 1 is provided with a slot for accommodating the piezoelectric igniter 2, the hammer 5, the retaining spring 4 and the hammer spring 6, the pit plate is fixed at the opening of the slot, the paddle 11 is provided with a plurality of ratchets 11-1 and movably engages with the hammer 5, and the hammer can be driven to move along the slot by rotating the paddle to hit the piezoelectric igniter. In this embodiment, the igniter mounting seat 1 is provided with a bearing seat, the electronic board is installed on the bearing seat, and the rotating shaft is connected to the valve core; the hammer spring is connected to the end of the hammer, the hammer 5 is provided with a protrusion 5-1 extending outward, and the ratchets of the paddle are movably engaged with the protrusion. Multiple ratchets 11-1 are arranged along the circumference of the paddle 11, so that multiple ignitions can be achieved each time the button is rotated, thereby solving the ignition defect problem of the currently used piezoelectric plug valve. A strip hole 11-2 is provided in the middle of the paddle to allow the valve core to pass through. The valve body is provided with a cavity for accommodating the valve core and the paddle, and an opening is provided on the side of the cavity. The ratchet of the paddle passes through the opening and is engaged with the hammer. The pit plate 3 includes a bottom plate 3-1 and an end plate 3-2. The bottom plate and the end plate are an integrally formed L-shaped metal plate structure. The bottom plate is connected and fixed to the igniter mounting seat by fasteners; one end of the igniter is pressed against the end plate, and the other end is engaged with the slot by a retaining spring, and the end of the hammer is in active contact with the end of the igniter.

[0025] Compared with the prior art, the utility model adopts a method of arranging multiple ratchets on the paddle and engaging with the hammer, and the paddle can be rotated to drive the hammer 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. It is worth noting that in addition to being applied to gas stoves, the technical solution can also be applied to other gas stoves.

[0026] 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 all fall within the protection scope of the present invention.

Claims

1. A multiple ignition piezoelectric plug valve, characterized in that: It includes an igniter mounting seat, a piezoelectric igniter, a pit plate, a retaining spring, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve core, a pull piece, a valve body, a push rod, and a nozzle. The igniter mounting seat and the push rod are respectively connected to the valve body, the valve core is arranged on the valve body, the rotating shaft is connected to drive the valve core, the valve core is connected to the pull piece, the solenoid valve is arranged on the valve body, and the solenoid valve is electrically connected to the electronic board. The igniter mounting seat is provided with a slot for accommodating the piezoelectric igniter, hammer, retaining ring and hammer spring. The pit plate is fixed at the opening of the slot. The paddle is provided with multiple ratchets that are movably engaged with the hammer. By rotating the paddle, the hammer can be driven to move along the slot to hit the piezoelectric igniter.

2. A multiple ignition piezoelectric plug valve according to claim 1, characterized in that: The igniter mounting seat is provided with a bearing seat, the electronic board is mounted on the bearing seat, and the rotating shaft is connected with the valve core.

3. A multiple ignition piezoelectric plug 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.

4. A multiple ignition piezoelectric plug valve according to claim 1, 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.

5. The multiple ignition piezoelectric plug valve according to claim 1, characterized in that: The valve body is provided with a cavity for accommodating the valve core and the paddle, and the side of the cavity is provided with an opening, and the ratchet teeth of the paddle pass through the opening and are engaged with the hammer.

6. The multiple ignition piezoelectric plug valve according to claim 1, characterized in that: The pit plate includes a bottom plate and an end plate, and the bottom plate is connected and fixed to the igniter mounting seat by fasteners; one end of the igniter is pressed against the end plate, and the other end is clamped with the slot through a retaining spring, and the end of the hammer is in active contact with the end of the igniter.

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

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