Ignition device, burner and gas stove

Abstract

The utility model relates to the technical field of kitchen appliances, and specifically discloses an ignition device, a burner and a gas stove. The device includes an electrode needle body and a shell member; one end of the electrode needle body is fixedly connected to a wire, and the other end is bent to have an elbow section; the shell member is penetrated by a center hole, and one end of the shell member is provided with an orientation groove, one end of the orientation groove intersects with the center hole, the electrode needle body is passed through the center hole and the elbow section passes through the orientation groove, and the elbow section is positioned in the orientation groove. The device improves the ignition success rate by arranging the elbow section on the electrode needle body, and the electrode needle body can be installed on the shell member by cooperating with the opening of the orientation groove and the center hole, and the design of the elbow section being positioned in the orientation groove meets the positioning requirements of the elbow section, reduces the risk of position deviation of the electrode needle body, and improves the manufacturing qualification rate and the appearance refinement.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to an ignition device, a burner and a gas stove. Background Art

[0002] In the prior art, gas stoves often use a pulse discharge electrode needle structure as an ignition device to ignite gas. The electrode needle is usually arranged near the burner fire hole of the gas stove. During ignition, the discharge end of the electrode needle generates high voltage electricity, which breaks through the air between the electrode needle and the fire cover to form an arc, thereby igniting the gas ejected from the fire hole, thereby igniting the gas stove.

[0003] However, during the actual manufacturing process, the electrode needle may be skewed, which may lead to the following problems:

[0004] 1) There is a risk that the needle will be out of the directional groove, which will cause the needle to discharge to other parts of the burner and fail to generate electric sparks at the ignition hole, which will not only affect the ignition success rate and timeliness of the ignition device, but may even cause deflagration and other situations, seriously affecting the user experience;

[0005] 2) Reduce the refinement of the overall appearance of the gas stove, thereby weakening the potential competitiveness of the gas stove.

[0006] Therefore, there is an urgent need for an ignition device to solve the above-mentioned technical problems. Utility Model Content

[0007] The utility model aims to provide an ignition device, a burner and a gas stove to avoid the risk of needle head deviation and skewness, and improve the qualified yield rate of electrode needle production.

[0008] To achieve this purpose, the utility model adopts the following technical solutions:

[0009] An ignition device comprises an electrode needle body and a shell member; one end of the electrode needle body is fixedly connected to a wire, and the other end is bent to form an elbow section; the shell member is penetrated by a center hole, one end of the shell member is provided with an orientation groove, one end of the orientation groove intersects with the center hole, the electrode needle body is penetrated through the center hole and the elbow section passes through the orientation groove, and the elbow section is positioned in the orientation groove.

[0010] As a preferred technical solution of the ignition device, a limiting boss is convexly provided on the side wall of the directional groove, and the limiting boss is used to position the elbow section along the width direction of the directional groove.

[0011] As a preferred technical solution of the ignition device, there are two limiting bosses, and the two limiting bosses clamp the elbow section from both sides.

[0012] As a preferred technical solution of the ignition device, in a plane perpendicular to the axis of the center hole, the projection of the limiting boss and the projection of the center hole are spaced apart.

[0013] As a preferred technical solution of the ignition device, the distance between the end surface of one end of the shell member and the bottom of the orientation groove gradually decreases from one end of the orientation groove to the other end of the orientation groove.

[0014] As a preferred technical solution for the ignition device, one end of the wire is passed through the central hole and fixedly connected to the electrode needle body, and the other end of the wire is fixedly connected to a heat shrink tube joint.

[0015] As a preferred technical solution of the ignition device, the other end of the orientation groove is open at the end of the side surface of the shell member.

[0016] The burner comprises a burner head, a burner body and the above-mentioned ignition device, wherein the ignition device is detachably connected to the burner head, the burner body is fixedly installed on the burner head, an ignition hole is provided on the burner body, and the elbow section is directly opposite to the ignition hole.

[0017] As a preferred technical solution for the burner, the burner also includes a retaining spring, a positioning protrusion is convexly provided on the side of the shell member, and a limiting groove is provided on the surface of the burner head. The positioning protrusion can be matched and embedded in the limiting groove, and the retaining spring hoop is provided on the side wall of the shell member, and the positioning protrusion and the retaining spring clamp the burner head from both sides.

[0018] A gas stove comprises an outer shell and the above-mentioned burner, wherein the outer shell encloses a mounting cavity, a through hole communicating with the mounting cavity is provided on the top surface of the outer shell, the burner is arranged in the mounting cavity, and the burner partially extends out of the through hole so that the burner body is exposed from the outer shell.

[0019] Beneficial effects of the utility model:

[0020] The ignition device optimizes the specific structure of the electrode needle body and adjusts the ignition position of the electrode needle body by setting an elbow section on the electrode needle body. The ignition device adopts an elbow directional discharge structure, which helps to improve the success rate of ignition. With the opening of the directional groove and the center hole, the electrode needle body can be installed on the shell member; wherein, the structural limitation of the elbow section passing through the directional groove plays a role in preventing the elbow section from discharging to the non-ignition part, meeting the design requirements of the directional discharge of the ignition device. The limitation of the elbow section being positioned in the directional groove ensures the limiting ability of the shell member on the elbow section and reduces the risk of positional deviation of the electrode needle body. The above structural design solves the process problem of the elbow section deviation during the production process, thereby improving the qualified yield rate of the ignition device production and manufacturing, and also helps to improve the appearance refinement of the ignition device.

[0021] The burner uses the elbow section to limit the ignition hole, ensuring that the ignition device can accurately and directional discharge and ignite the burner body; combined with the settings of the burner head and the burner body, it can ensure the smooth combustion of the burner and guarantee the smooth operation of the burner. Among them, the limitation that the ignition device can be detachably connected to the burner head helps to reduce the difficulty of disassembly and assembly of the ignition device, simplifies the maintenance and replacement of the ignition device, improves the maintenance efficiency of the burner, and reduces the maintenance cost.

[0022] The gas stove protects the burner by providing an outer shell, reduces the risk of electric leakage and ignition, and improves the safety factor of use. It can also improve the aesthetics of the gas stove and help improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an ignition device provided by an embodiment of the utility model;

[0024] Figure 2 is a cross-sectional view of an ignition device provided by an embodiment of the utility model;

[0025] Figure 3 It is a top view of the ignition device provided by the embodiment of the utility model;

[0026] Figure 4 It is a partial structural schematic diagram of a housing member provided in an embodiment of the utility model;

[0027] Figure 5 It is a structural schematic diagram of a burner provided in an embodiment of the utility model.

[0028] In the figure:

[0029] 100, ignition device; 110, electrode needle body; 111, elbow section; 120, housing member; 121, orientation groove; 1211, limiting boss; 122, center hole; 123, positioning convex ring; 1231, positioning convex block; 124, fixing groove; 125, tail groove; 130, wire; 140, flame retardant tube; 150, heat shrink tube joint;

[0030] 200, furnace head; 210, limiting groove;

[0031] 300, circlip;

[0032] 400. Burner body; 410. Ignition hole. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "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 be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] like Figures 1 to 4As shown, this embodiment provides an ignition device 100, including an electrode needle body 110 and a shell member 120; one end of the electrode needle body 110 is fixedly connected to the wire 130, and the other end is bent to have an elbow section 111; the shell member 120 has a center hole 122 passing through it, and one end of the shell member 120 is provided with an orientation groove 121, one end of the orientation groove 121 intersects with the center hole 122, the electrode needle body 110 is passed through the center hole 122 and the elbow section 111 passes through the orientation groove 121, and the elbow section 111 is positioned in the orientation groove 121.

[0038] The ignition device 100 optimizes the specific structure of the electrode needle body 110 and adjusts the ignition position of the electrode needle body 110 by setting the design of the elbow section 111 on the electrode needle body 110. The ignition device 100 adopts an elbow directional discharge structure, which helps to improve the ignition success rate. With the opening of the directional groove 121 and the center hole 122, the electrode needle body 110 can be installed on the shell 120; wherein, the structural limitation of the elbow section 111 passing through the directional groove 121 plays a role in preventing the elbow section 111 from discharging to the non-ignition part, meeting the design requirements of the directional discharge of the ignition device 100. The limitation that the elbow section 111 is positioned in the directional groove 121 ensures the limiting ability of the shell 120 on the elbow section 111, and reduces the risk of positional displacement of the electrode needle body 110. The above structural design solves the process problem of the elbow section 111 being offset during the manufacturing process, thereby improving the qualified yield rate of the ignition device 100 and also helping to improve the appearance refinement of the ignition device 100.

[0039] The other end of the directional groove 121 is open at the end of the side of the shell 120. The above definition optimizes the specific structure of the shell 120, reduces the space occupied by the shell 120, helps to ensure the smooth operation of the elbow section 111, and ensures the stable operation of the ignition device 100.

[0040] The setting of the limiting boss 1211 makes the spacing of the directional groove 121 in the width direction first reduce and then restore, which not only meets the positioning requirements of the elbow section 111, but also improves the limiting ability of the shell part 120 to the elbow section 111; moreover, the setting of the limiting boss 1211 helps to further reduce the probability of the elbow section 111 discharging to the non-ignition part.

[0041] In this embodiment, there are two limiting bosses 1211, and the two limiting bosses 1211 clamp the elbow section 111 from both sides. The above design realizes the relative position limitation between the electrode needle body 110 and the shell member 120, so that the elbow section 111 is centered and not offset relative to the orientation groove 121, thereby further improving the appearance refinement of the ignition device 100. The limiting boss 1211 clamps the elbow section 111 from both sides. The structure is simple and reliable, with high positioning stability and easy disassembly and assembly, which helps to improve the efficiency of the production of the ignition device 100.

[0042] For example, in a plane perpendicular to the axis of the center hole 122, the projection of the limiting boss 1211 is spaced from the projection of the center hole 122. The above design avoids the situation where the electrode needle body 110 moves along the axis of the center hole 122 and the limiting boss 1211 generates a position conflict, thereby achieving an optimized design of the ignition device 100, reducing the difficulty of disassembly and assembly of the ignition device 100, and facilitating the maintenance and reuse of the electrode needle body 110 and the housing 120.

[0043] In order to prevent the electrode needle body 110 from charging the housing 120, the housing 120 is made of an insulating material. Specifically, the housing 120 is made of ceramic.

[0044] In order to optimize the design of the space occupied by the ignition device 100 , the length direction of the elbow section 111 is limited to be parallel to the plane where the bottom of the directional groove 121 is located.

[0045] In this embodiment, the plane where the bottom of the directional groove 121 is located is set at an angle with the axis of the central hole 122. The above definition allows the shape of the directional groove 121 to adapt to the elbow section 111, thereby optimizing the structural layout of the ignition device 100 and reducing the occupied space.

[0046] In this embodiment, the length direction of the electrode needle body 110 is 0 to 90 degrees with the length direction of the elbow section 111. Specifically, the length direction of the electrode needle body 110 is 35 degrees with the length direction of the elbow section 111.

[0047] Furthermore, from one end of the orientation slot 121 to the other end of the orientation slot 121, the distance between the end face of one end of the shell 120 and the bottom of the orientation slot 121 gradually decreases. The above design realizes the structural optimization of the orientation slot 121. The slope of the bottom of the orientation slot 121 is selected according to the angle between the length direction of the electrode needle body 110 and the length direction of the elbow section 111, so as to realize the spatial adaptation between the electrode needle body 110 and the center hole 122 and between the elbow section 111 and the orientation slot 121. The above improvement helps to improve the limiting ability of the shell 120 on the electrode needle body 110, reduces the risk of positional displacement of the electrode needle body 110 relative to the shell 120, and minimizes the space occupied by the orientation slot 121, which helps to realize the structural optimization design of the ignition device 100.

[0048] Exemplarily, one end of the wire 130 is passed through the central hole 122 and fixedly connected to the electrode needle body 110, and the other end of the wire 130 is fixedly connected to the heat shrink tube joint 150. Specifically, the wire 130 has the characteristic of high temperature resistance; the wire 130 is welded to the electrode needle body 110, and the wire 130 is welded to the heat shrink tube joint 150. With the arrangement of the wire 130 and the heat shrink tube joint 150, the electrode needle body 110 can be connected to the external pulse igniter, so that the electrode needle body 110 can be ignited smoothly. The above design realizes the structural optimization design of the ignition device 100, optimizes the specific structure, and reduces the occupied space.

[0049] Specifically, the output end of the heat shrink tube connector 150 is plugged into the pulse igniter.

[0050] Furthermore, a flame retardant tube 140 is sleeved on the wire 130, one end of the flame retardant tube 140 is against the shell 120, and the other end of the flame retardant tube 140 is against the heat shrink tube joint 150. Specifically, the material of the flame retardant tube 140 is silicone, and the flame retardant tube 140 is fixedly connected to the heat shrink tube joint 150. The design of the flame retardant tube 140 wrapping the wire 130 plays a protective role on the wire 130, reduces the risk of the ignition device 100 discharging to the non-ignition part, and helps to improve the user experience. The design of the two ends of the flame retardant tube 140 respectively against the shell 120 and the heat shrink tube joint 150 avoids the situation where the flame retardant tube 140 is offset, and ensures the protective purpose of the flame retardant tube 140.

[0051] Furthermore, a tail groove 125 is provided at the other end of the housing 120, and the tail groove 125 is coaxially connected with the central hole 122, and the flame retardant tube 140 is partially placed in the tail groove 125 and pressed against the bottom of the tail groove 125. The design of the flame retardant tube 140 and the tail groove 125 matching each other achieves the purpose of the tail groove 125 limiting the flame retardant tube 140, further reduces the risk of accidental position displacement of the flame retardant tube 140, and further ensures the protection purpose of the flame retardant tube 140.

[0052] The present embodiment also provides an ignition device manufacturing method for manufacturing the above-mentioned ignition device 100, comprising the following steps: processing a ceramic body blank of the shell part 120, inserting the electrode needle body 110 into the center hole 122, and placing the elbow section 111 in the orientation groove 121; using a drying furnace to dry the ceramic body blank of the shell part 120, so that the shell part 120 shrinks until the limiting boss 1211 presses against the elbow section 111.

[0053] The above method facilitates inserting the electrode needle body 110 into the shell member 120 during the production process, and then shrinking the shell member 120 as a whole by means of drying, so that the directional groove 121 can better position the elbow section 111.

[0054] When the shell 120 is in a state of a ceramic blank, the width of the orientation groove 121 is greater than the diameter of the elbow section 111 , and the distance between the two limiting bosses 1211 is slightly greater than the diameter of the elbow section 111 .

[0055] like Figures 1 to 5 As shown, this embodiment also provides a burner, including a burner head 200, a burner body 400 and the above-mentioned ignition device 100, the ignition device 100 is detachably connected to the burner head 200, the burner body 400 is fixedly installed on the burner head 200, and an ignition hole 410 is provided on the burner body 400, and the elbow section 111 is opposite to the ignition hole 410.

[0056] The burner, with the limitation of the elbow section 111 facing the ignition hole 410, ensures that the ignition device 100 can accurately and directional discharge and ignite the burner body 400; with the setting of the burner head 200 and the burner body 400, it can ensure the smooth combustion of the burner and ensure the smooth operation of the burner. Among them, the limitation that the ignition device 100 can be detachably connected to the burner head 200 helps to reduce the difficulty of disassembly and assembly of the ignition device 100, simplifies the maintenance and replacement operations of the ignition device 100, improves the maintenance efficiency of the burner, and reduces the maintenance cost.

[0057] Specifically, the burner head 200 and the burner body 400 are conventional components in the art, and their specific structures and working principles are common knowledge in the art, and are not elaborated herein.

[0058] In this embodiment, the burner further comprises a retaining spring 300, a positioning protrusion 1231 is convexly provided on the side of the shell 120, a limiting groove 210 is provided on the surface of the burner head 200, the positioning protrusion 1231 can be matched and embedded in the limiting groove 210, the retaining spring 300 is clamped on the side wall of the shell 120, and the positioning protrusion 1231 and the retaining spring 300 clamp the burner head 200 from both sides. Through the embedding and matching of the positioning protrusion 1231 and the limiting groove 210, the shell 120 can be positioned foolproof, thereby ensuring that the elbow section 111 can accurately align with the ignition hole 410; at the same time, the limitation of the positioning protrusion 1231 and the retaining spring 300 clamping the burner head 200 from both sides realizes the stable installation of the ignition device 100 on the burner head 200, reduces the risk of positional displacement due to accidents, and ensures the long-term stable operation of the burner.

[0059] Specifically, the side ring of the shell 120 is provided with a positioning protrusion 123, which presses against the surface of the furnace head 200, and the positioning protrusion 1231 is fixed to the positioning protrusion 123; the side ring of the shell 120 is provided with a fixing groove 124, and the retaining ring 300 is clamped in the fixing groove 124.

[0060] This embodiment also provides a gas stove, including an outer shell and the above-mentioned burner, the outer shell encloses an installation cavity, a through hole connected to the installation cavity is provided on the top surface of the outer shell, the burner is arranged in the installation cavity, and the burner partially extends out of the through hole so that the burner body 400 is exposed from the outer shell.

[0061] The gas stove protects the burner by providing an outer shell, reduces the risk of electric leakage and ignition, and improves the safety factor of use. It can also improve the aesthetics of the gas stove and help improve the user experience.

[0062] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An ignition device, characterized in that: include: The electrode needle body (110) has one end fixedly connected to the wire (130) and the other end bent to form an elbow section (111); The shell member (120) has a center hole (122) extending therethrough. An orientation groove (121) is provided at one end of the shell member (120). One end of the orientation groove (121) intersects with the center hole (122). The electrode needle body (110) is passed through the center hole (122) and the elbow section (111) passes through the orientation groove (121). The elbow section (111) is positioned in the orientation groove (121).

2. The ignition device according to claim 1, characterized in that: A limiting boss (1211) is convexly provided on the side wall of the directional groove (121), and the limiting boss (1211) is used to position the elbow section (111) along the width direction of the directional groove (121).

3. The ignition device according to claim 2, characterized in that: There are two limiting bosses (1211), and the two limiting bosses (1211) clamp the elbow section (111) from both sides.

4. The ignition device according to claim 2, characterized in that: In a plane perpendicular to the axis of the center hole (122), the projection of the limiting boss (1211) is spaced apart from the projection of the center hole (122).

5. The ignition device according to claim 1, characterized in that: From one end of the orientation groove (121) to the other end of the orientation groove (121), the distance between the end surface of one end of the housing member (120) and the groove bottom of the orientation groove (121) gradually decreases.

6. The ignition device according to claim 1, characterized in that: One end of the wire (130) is passed through the central hole (122) and is fixedly connected to the electrode needle body (110), and the other end of the wire (130) is fixedly connected to a heat shrink tube joint (150).

7. The ignition device according to claim 1, characterized in that: The other end of the orientation groove (121) is open at the end of the side surface of the housing member (120).

8. A burner, characterized in that The invention comprises a burner head (200), a burner body (400) and an ignition device as claimed in any one of claims 1 to 7, wherein the ignition device is detachably connected to the burner head (200), the burner body (400) is fixedly mounted on the burner head (200), an ignition hole (410) is provided on the burner body (400), and the elbow section (111) is directly opposite to the ignition hole (410).

9. The burner according to claim 8, characterized in that The burner further comprises a retaining spring (300), a positioning protrusion (1231) is convexly provided on the side surface of the shell member (120), a limiting groove (210) is provided on the surface of the burner head (200), the positioning protrusion (1231) can be matched and embedded in the limiting groove (210), the retaining spring (300) is clamped on the side wall of the shell member (120), and the positioning protrusion (1231) and the retaining spring (300) clamp the burner head (200) from both sides.

10. A gas stove, characterized in that: The invention comprises an outer shell and the burner as claimed in claim 8 or 9, wherein the outer shell forms a mounting cavity, a through hole connected to the mounting cavity is provided on the top surface of the outer shell, the burner is arranged in the mounting cavity, and the burner partially extends out of the through hole so that the burner body (400) is exposed outside the outer shell.

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