Piezoelectric plug valve

Abstract

The utility model discloses a piezoelectric plug valve, which is characterized by comprising an igniter mounting seat, an igniter, a pit plate, a driving hammer, a driving hammer spring, an electronic plate, a rotating shaft, an electromagnetic valve, a valve body, a valve core, a pulling sheet, a nozzle, an air door, an ignition bracket, an ignition needle and a nozzle, the ignition bracket and the electromagnetic valve are respectively connected with the valve body, and the air door is arranged on the nozzle. The ignition needle is arranged on the ignition support, the valve body is provided with an ignition nozzle corresponding to the electromagnetic valve and the ignition support, and the electronic plate is electrically connected with the electromagnetic valve. A bearing seat corresponding to the rotating shaft is arranged on the igniter mounting seat, the valve element is arranged on the valve body, the rotating shaft is connected with and drives the valve element, and the valve element is sleeved with a shifting piece; the igniter installation base is provided with a groove position for containing the igniter, the driving hammer and the driving hammer spring, the pit plate is fixed to an opening of the groove position, and the poking piece is provided with more than two ratchets which are movably matched with the driving hammer in a clamped mode. The piezoelectric plug valve is good in stability, and the problem of ignition defects of a piezoelectric plug valve used at present is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, and more specifically to a piezoelectric plug 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, and it is easy to fail to ignite or deflagration. Therefore, it is necessary to further improve the existing technology. Summary of the invention

[0003] The purpose of the utility model is to provide a stable and reliable piezoelectric plug valve to solve the current ignition defect problem in order to solve the deficiencies of the prior art.

[0004] The utility model adopts the following technical solutions to achieve the above-mentioned purpose: a piezoelectric plug valve, characterized in that it includes an igniter mounting seat, an igniter, a pit plate, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve body, a valve core, a paddle, a nozzle, a damper, an ignition bracket, and an ignition needle, the nozzle, the ignition bracket, and the solenoid valve are respectively connected to the valve body, the damper is installed on the nozzle, the ignition needle is arranged on the ignition bracket, the valve body is provided with an ignition nozzle corresponding to the solenoid valve and the ignition bracket, and the electronic board is electrically connected to the solenoid valve;

[0005] A bearing seat corresponding to the rotating shaft is provided on the igniter mounting seat, the valve core is provided on the valve body, the rotating shaft is connected to drive the valve core, and a paddle is provided on the outer sleeve of the valve core; the igniter mounting seat is provided with a slot for accommodating the igniter, hammer and hammer spring, the pit plate is fixed at the opening of the slot, and the paddle is provided with more than two 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 igniter.

[0006] As a further illustration of the above solution, the electronic board is installed 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, the number of ratchet teeth of the paddle is three, and the three ratchet teeth are arranged along the circumference of the paddle.

[0009] Furthermore, the pit plate is L-shaped and is connected and fixed to the igniter mounting seat by fasteners; one end of the igniter is pressed against the end of the pit plate, and the other end is provided with an electronic retaining spring that is engaged with the slot, and the end of the hammer is in active contact with the end of the igniter.

[0010] Furthermore, the valve body is provided with a pipe sleeve corresponding to the nozzle, and the nozzle is arranged in the pipe sleeve.

[0011] Furthermore, the ignition bracket is a U-shaped plate frame, the ignition needle is arranged at the top end of the U-shaped plate frame, and the bottom end of the U-shaped plate frame is wrapped outside the ignition nozzle.

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

[0013] The utility model adopts a piezoelectric cock valve structure which is mainly composed of an igniter mounting seat, an igniter, a pit plate, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve body, a valve core, a paddle, a nozzle, a damper, an ignition bracket, and an ignition needle. The nozzle, the ignition bracket, and the solenoid valve are respectively connected to the valve body, the damper is installed on the nozzle, the ignition needle is arranged on the ignition bracket, the valve body is provided with an ignition nozzle corresponding to the solenoid valve and the ignition bracket, and the electronic board is electrically connected to the solenoid valve; a bearing corresponding to the rotating shaft is arranged on the igniter mounting seat The valve core is arranged on the valve body, the rotating shaft is connected to drive the valve core, and a paddle is arranged on the outer sleeve of the valve core; the igniter mounting seat is provided with a slot for accommodating the igniter, the hammer and the hammer spring, the pit plate is fixed at the opening of the slot, and the paddle is provided with more than two ratchets which are movably engaged with the hammer. By rotating the paddle, the hammer can be driven to move along the slot and hit the igniter. Since there are more than two ratchets, it can be achieved that ignition can be performed more than twice for each rotation of the button, thereby solving the ignition defect problem of the currently used piezoelectric plug valve. 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 schematic diagram of the structure of the utility model;

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

[0017] Explanation of the accompanying drawings: 1. igniter mounting seat 1-1, bearing seat 2, igniter 3, pit plate 4, hammer 5, hammer spring 6, electronic board 7, rotating shaft 8, solenoid valve 9, valve body 10, valve core 11, paddle 11-1, ratchet 12, nozzle 13, air door 14, ignition bracket 15, ignition needle 16, ignition nozzle 18, fastener 19, electronic retaining spring. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] like Figure 1-Figure 3As shown, the utility model is a piezoelectric plug valve, including an igniter mounting seat 1, an igniter 2, a pit plate 3, a hammer 4, a hammer spring 5, an electronic board 6, a rotating shaft 7, a solenoid valve 8, a valve body 9, a valve core 10, a paddle 11, a nozzle 12, a damper 13, an ignition bracket 14, and an ignition needle 15. The nozzle, the ignition bracket, and the solenoid valve are connected to the valve body respectively, the damper is installed on the nozzle, the valve body is provided with a pipe sleeve corresponding to the nozzle, and the nozzle is arranged in the pipe sleeve. The ignition needle 15 is arranged on the ignition bracket 14, the valve body 9 is provided with an ignition nozzle 16 corresponding to the solenoid valve and the ignition bracket, the electronic board is electrically connected to the solenoid valve, the ignition bracket 14 is a U-shaped plate frame, the ignition needle 15 is arranged at the top of the U-shaped plate frame, and the bottom of the U-shaped plate frame is wrapped outside the ignition nozzle; the solenoid valve and the ignition bracket are on the right side of the nozzle. This structure can facilitate the adjustment of the die-casting mold according to the customer's requirements for the nozzle angle.

[0024] The igniter mounting seat 1 is provided with a bearing seat 1-1 corresponding to the rotating shaft, the valve core is provided on the valve body, the rotating shaft is connected to drive the valve core, and the valve core outer sleeve is provided with a paddle 11; the igniter mounting seat is provided with a slot for accommodating the igniter, the hammer and the hammer spring, and the pit plate is fixed at the opening of the slot, which is used to encapsulate the igniter, the hammer and the hammer spring. The paddle 11 is provided with more than two ratchets 11-1 that are movably engaged with the hammer. By rotating the paddle, the hammer can be driven to move along the slot and hit the igniter. In this embodiment, the number of ratchets of the paddle is three, and the three ratchets are arranged along the circumference of the paddle. It can be achieved that three ignitions can be achieved each time the button is rotated, which solves the ignition defect problem of the currently used piezoelectric plug valve.

[0025] The electronic board 6 is mounted on the bearing seat 1-1, and the rotating shaft is connected to the valve core. 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. The pit plate is L-shaped and is connected and fixed to the igniter mounting seat by a fastener 18; one end of the igniter is pressed against the end of the pit plate, and the other end is provided with an electronic retaining spring 19 that is engaged with the slot, and the end of the hammer is in movably contact with the end of the igniter.

[0026] Compared with the prior art, the utility model adopts the method of arranging more than two ratchets on the paddle and engaging with the hammer in an active manner. By rotating the paddle, the hammer can be driven to move along the slot and hit the igniter. Since the number of ratchets is more than two, more than two ignitions can be achieved each time the button is rotated, thereby solving the ignition defect problem of the currently used piezoelectric plug valve.

[0027] 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 piezoelectric plug valve, characterized in that: It includes an igniter mounting seat, an igniter, a pit plate, a hammer, a hammer spring, an electronic board, a rotating shaft, a solenoid valve, a valve body, a valve core, a paddle, a nozzle, a damper, an ignition bracket, and an ignition needle. The nozzle, the ignition bracket, and the solenoid valve are respectively connected to the valve body, the damper is installed on the nozzle, the ignition needle is arranged on the ignition bracket, the valve body is provided with an ignition nozzle corresponding to the solenoid valve and the ignition bracket, and the electronic board is electrically connected to the solenoid valve; A bearing seat corresponding to the rotating shaft is provided on the igniter mounting seat, the valve core is provided on the valve body, the rotating shaft is connected to drive the valve core, and a paddle is provided on the outer sleeve of the valve core; the igniter mounting seat is provided with a slot for accommodating the igniter, hammer and hammer spring, the pit plate is fixed at the opening of the slot, and the paddle is provided with more than two ratchets that are movably engaged with the hammer. The hammer is driven to move along the slot and hit the igniter by rotating the paddle.

2. A piezoelectric plug valve according to claim 1, characterized in that: The electronic board is installed on the bearing seat, and the rotating shaft is connected with the valve core.

3. A 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 piezoelectric plug valve according to claim 1 or 3, characterized in that: The number of ratchet teeth of the paddle is three, and the three ratchet teeth are arranged along the circumference of the paddle.

5. The piezoelectric plug valve according to claim 1, characterized in that: The pit plate is L-shaped and is connected and fixed to the igniter mounting seat by fasteners; one end of the igniter is pressed against the end of the pit plate, and the other end is provided with an electronic retaining spring that is engaged with the slot, and the end of the hammer is in active contact with the end of the igniter.

6. The 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.

7. The piezoelectric plug valve according to claim 1, characterized in that: The ignition bracket is a U-shaped plate frame, the ignition needle is arranged on the top end of the U-shaped plate frame, and the bottom end of the U-shaped plate frame is wrapped outside the ignition nozzle.

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