CN112610986A - Ignition device and gas stove - Google Patents

Abstract

The invention discloses an ignition device and discloses a gas stove with the ignition device, wherein the ignition device comprises an igniter, an adapter and a clamping piece, the igniter comprises a shell, and the shell is provided with a connecting port; the adapter comprises a connecting terminal which is arranged on the connecting port in a penetrating mode, and a clamping groove is formed in the connecting terminal; the clamping piece is clamped in the clamping groove to prevent the connecting terminal from being separated from the connecting port. Through the connecting terminal of joint spare chucking adapter for one side user of adapter can not directly dismantle the adapter. If the user needs to disconnect the power supply, the adapter and the socket can only be unplugged. If the connection of the adaptation and the casing of some firearm should be cut off, can only be that the professional unpacks apart the whole gas-cooker, unpack the casing of some firearm apart, follow some firearm in addition one side, back open joint spare with the instrument, the adapter can be taken off. The structure meets the requirements of a 3C standard Y-shaped structure.

Description

Ignition device and gas stove

Technical Field

The invention relates to the technical field of gas appliances, in particular to an ignition device and a gas stove.

Background

In the related art, a connection structure of a power adapter and a pulse igniter of a gas stove is a detachable X-shaped connection structure. When the adapter is connected with a 220v power supply and the adapter terminal is directly pulled out, an electric spark phenomenon may occur. Because the gas stove is connected with combustible gas, when the gas of the gas stove leaks, if electric sparks are collided, the risk of combustion and explosion easily occurs. In addition, gas cookers have been specifically incorporated into 3C products since 10/1/2020. The gas stove belongs to the second class of 3C appliances. The connection interface of the power adapter is required to be a Y-shaped structure which can be disassembled by a professional through a tool, and the original X-shaped connection mechanism is not suitable for use.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an ignition device which can enable an adapter and an igniter to be tightly connected together and not to be directly disassembled and can meet the requirement of 3C certification.

The invention also provides a gas stove with the ignition device.

The ignition device comprises an igniter, an adapter and a clamping piece, wherein the igniter comprises a shell, and the shell is provided with a connecting port; the adapter comprises a connecting terminal which is arranged on the connecting port in a penetrating mode, and a clamping groove is formed in the connecting terminal; the clamping piece is clamped in the clamping groove to prevent the connecting terminal from being separated from the connecting port.

The ignition device provided by the embodiment of the invention has at least the following beneficial effects: through the connecting terminal of joint spare chucking adapter for one side user of adapter can not directly dismantle the adapter. If the user needs to disconnect the power supply, the adapter and the socket can only be unplugged. If the connection of the adaptation and the casing of some firearm should be cut off, can only be that the professional unpacks apart the whole gas-cooker, unpack the casing of some firearm apart, follow some firearm in addition one side, back open joint spare with the instrument, the adapter can be taken off. The structure meets the requirements of a 3C standard Y-shaped structure.

According to some embodiments of the invention, the housing is provided with a baffle, and the connection terminal is provided with a flat surface portion engaged with the baffle to prevent the connection terminal from rotating.

According to some embodiments of the present invention, the connection terminal is provided with four of the planar portions, the four planar portions being uniformly distributed along a circumferential direction of the connection terminal.

According to some embodiments of the invention, the housing is provided with four baffles, and the four baffles are arranged in one-to-one correspondence with the four planar portions.

According to some embodiments of the invention, the clip is disposed on the baffle.

According to some embodiments of the invention, the clip is integrally formed with the baffle.

According to some embodiments of the invention, the housing is provided with a first guide portion facilitating entry of the connection terminal into the connection port.

According to some embodiments of the invention, the snap member is a snap spring.

According to some embodiments of the invention, the clip is arc-shaped and has an opening for the connection terminal to pass through.

According to some embodiments of the invention, the width of the clip member is gradually reduced from the middle to both ends.

According to some embodiments of the present invention, the end of the clamping member is provided with a second guiding portion to facilitate the clamping member to be clamped in the clamping groove.

According to some embodiments of the invention, the snap member is provided with a boss.

According to some embodiments of the invention, the connection terminal is provided with a flat portion, and the boss is engaged with the flat portion to prevent the rotation of the clip.

According to some embodiments of the invention, the end of the connection terminal is provided with a third guide portion.

The gas stove according to the embodiment of the second aspect of the invention comprises the ignition device of the embodiment of the first aspect of the invention.

The gas stove provided by the embodiment of the invention at least has the following beneficial effects: by using the ignition device according to the embodiment of the first aspect of the present invention, the adapter and the shell of the igniter can be disconnected only by a professional using a tool, and the structure meets the requirement of the 3C standard Y-type structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic view of an ignition device according to some embodiments of the present invention;

FIG. 2 is an exploded view of the ignition device shown in FIG. 1;

FIG. 3 is a cross-sectional view of the ignition device shown in FIG. 1;

FIG. 4 is an enlarged view at A shown in FIG. 3;

FIG. 5 is a schematic view of the adapter shown in FIG. 2;

FIG. 6 is a schematic view of the housing of the igniter shown in FIG. 2;

FIG. 7 is a schematic view of an ignition device according to further embodiments of the present invention;

FIG. 8 is an exploded view of the ignition device shown in FIG. 7;

FIG. 9 is a cross-sectional view of the ignition device shown in FIG. 7 in one direction;

FIG. 10 is a cross-sectional view of the ignition device shown in FIG. 7 in another orientation;

FIG. 11 is an enlarged view at B shown in FIG. 9;

FIG. 12 is an enlarged view at C shown in FIG. 10;

FIG. 13 is a schematic view of the adapter shown in FIG. 8;

FIG. 14 is a schematic view of the housing of the igniter shown in FIG. 8;

fig. 15 is a schematic view of the clip shown in fig. 8.

Reference numerals:

101. a housing; 102. a baffle plate; 103. a connection terminal;

201. a connecting port;

401. a card slot; 402. a planar portion; 403. a first guide portion; 404. reversing; 405. a third guide portion;

501. a circular arc portion;

701. a clamp spring;

1501. an opening; 1502. a second guide portion; 1503. and (4) a boss.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An ignition device and a gas range according to an embodiment of the present invention will be described with reference to fig. 1 to 15.

Referring to fig. 1, 2, 7 and 8, an ignition device according to an embodiment of the present invention includes an igniter, a clip and an adapter, where the igniter includes a housing 101, and the housing 101 is provided with a connection port 201. The adapter includes a connection terminal 103 inserted into the connection port 201, and the connection terminal 103 is inserted into the housing 101 through the connection port 201 and connected to the circuit of the igniter. Connecting terminal 103 is provided with draw-in groove 401, and the adapter is connected the back with some firearm, and draw-in groove 401 is located the inside of casing 101, and joint spare joint is in draw-in groove 401 to prevent connecting terminal 103 to break away from connector 201.

The igniter is a device which can provide enough energy to ignite pulverized coal and oil (gas) fuel at a moment and can stabilize flame. The igniter is mainly composed of power supply, ignition coil, distributor, ignition switch, spark plug, additional resistor and its short-circuit device, high-low voltage wire, etc.

The gas stove generally adopts a pulse igniter, and the pulse igniter is an electronic product which utilizes a pulse principle to generate continuous instant electric sparks so as to ignite flame of a gas appliance. The pulse igniter is a pulse high-frequency oscillator composed of electronic components, the high-frequency voltage generated by the oscillator is boosted to 15KV by a step-up transformer, tip discharge is carried out, and the discharged sparks ignite the gas on the combustor. The igniter has high ignition rate and can continuously discharge. Pressing the knob to start the ignition of the pulse igniter; the knob is released and the ignition is stopped by the pulse.

Early lighters mostly used dry batteries as power sources, but some products in recent years have been powered by alternating current. The power supply of alternating current is connected with the igniter through the power adapter.

The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, generally comprising a shell, a transformer, an inductor, a capacitor, a control IC, a PCB and other components, and the Power adapter works in a mode of converting alternating current input into direct current output and can be divided into a wall-plugging type and a desktop type according to a connection mode.

In the related art, the connection structure of the power adapter and the pulse igniter of the gas stove is an X-shaped connection structure, that is, the power adapter and the pulse igniter can be directly disassembled, for example, the connection terminal of the power adapter is directly pulled out of the pulse igniter without the aid of a tool or the disassembly by a professional. Gas cookers have been specifically incorporated into 3C products since 10 months and 1 day 2020. The gas stove belongs to the second class of 3C appliances. The connection interface of the power adapter is required to be a Y-shaped structure which can be detached by a professional through a tool side. The original X-shaped connecting mechanism is not applicable.

The ignition device of the embodiment of the invention is designed to solve the problems, and the ignition device of the embodiment of the invention clamps the connecting terminal 103 of the adapter through the clamping piece, so that a user at one side of the adapter cannot directly detach the adapter. If the user needs to disconnect the power supply, the adapter and the socket can only be unplugged. If the connection between the adapter and the shell 101 of the igniter needs to be broken, only a professional can disassemble the whole gas stove, the shell 101 of the igniter is disassembled, the clamping piece is jacked open by a tool from the other side of the igniter, namely the inner side of the igniter, and the adapter can be taken down. The structure meets the requirements of a 3C standard Y-shaped structure. Meanwhile, the risk that electric sparks are generated when the adapter terminal is directly pulled out and combustion explosion occurs when gas leakage of the gas stove occurs can be reduced.

Referring to fig. 3 and 4, it can be understood that the housing 101 is provided with the baffle 102, the connection terminal 103 is provided with the flat portion 402, and the flat portion 402 is matched with the baffle 102, so that the connection terminal 103 can be prevented from rotating, and further, the circuit connection between the connection terminal 103 and the igniter can be ensured to be reliable, and the circuit damage or failure caused by twisting can be avoided.

Referring to fig. 1, 2, 5 and 6, it can be understood that the connection port 201 is rectangular, and correspondingly, the cross section of the connection terminal 103 is rectangular, that is, the connection terminal 103 is provided with four plane portions 402, the four plane portions 402 are uniformly distributed along the circumferential direction of the connection terminal 103, the housing 101 is also provided with four baffles 102, and the four baffles 102 and the four plane portions 402 are arranged in one-to-one correspondence. So set up, can all restrict connecting terminal 103's rotation in four directions, improve stability and reliability to, four plane portion 402 set up along connecting terminal 103's circumference equipartition, can be so that connecting terminal 103 all can insert the connector 201 of some firearm from four different angles, rather than single specific angle, more easy to assemble.

It should be noted that only two baffles 102 are disposed on the housing 101, the connection terminal 103 is provided with two, three, or four planar portions 402, and the two baffles 102 are located on two opposite sides of the connection terminal 103; alternatively, only one shutter 102 may be provided on the housing 101, one side of the connection terminal 103 may be provided as the flat portion 402, and the other three side surfaces may be provided as the arc portions, instead of the above configuration.

Referring to fig. 3 and 4, it can be understood that the housing 101 is provided with a first guide portion 403, the first guide portion 403 may be chamfered or rounded, and the connection terminal 103 may be conveniently guided into the connection port 201 by providing the first guide portion 403.

Referring to fig. 3 and 4, it can be understood that the clamping member is an inverted buckle 404 disposed on the baffle plate 102, that is, the clamping member and the baffle plate 102 are integrally formed, one end of the baffle plate 102 is fixedly connected to the housing 101, the other end of the baffle plate 102 is provided with the inverted buckle 404, the whole has certain elasticity, after the connecting terminal 103 enters the connecting port 201, the connecting terminal 103 continues to move toward the inside of the housing 101 after the inverted buckle 404 is spread by the connecting terminal 103, until the clamping groove 401 moves to a position corresponding to the inverted buckle 404, at this time, the inverted buckle 404 is buckled in the clamping groove 401, and the position of the connecting terminal 103 is limited. When the connecting terminal 103 is subjected to an external force and wants to be separated from the connecting port 201, the connecting terminal 103 is clamped by the reverse buckle 404 and cannot be separated from the connecting port 201, namely, a user on one side of the adapter cannot directly detach the adapter, but only a professional can detach the whole gas stove, detach the shell 101 of the igniter, and push the reverse buckle 404 open from the other side of the igniter, namely the inner side of the igniter by the tool, so that the adapter can be detached.

It should be noted that the clamping member may also be separately disposed on the housing 101, and the clamping member and the baffle 102 are respectively disposed on two different sides of the connection terminal 103, or the clamping member and the baffle 102 are disposed on the same side of the connection terminal 103, but the clamping member is higher than the baffle 102. The clip member may also be removably attached to the baffle 102 by a screw or the like.

Referring to fig. 3 and 4, it can be understood that the end of the reverse buckle 404 is provided with a guiding structure to facilitate the clamping of the clamping member to the clamping groove 401. The guide structure can be an inclined plane or an arc-shaped surface, and the end part of the connecting terminal 103 can be more easily pushed open the inverted buckle 404 by arranging the guide structure, so that the inverted buckle 404 is crossed, and the inverted buckle 404 is ensured to more easily enter the clamping groove 401. It will be appreciated that the card slot 401 may also be provided with a ramp corresponding to the guide structure to guide the undercut 404 better into the card slot 401.

Referring to fig. 4 and 5, it can be understood that the end of the connection terminal 103 is provided with a third guide 405. The third guide portion 405 may be a chamfer or a rounded corner, and the third guide portion 405 may be provided to allow the connection terminal 103 to enter the connection port 201 more easily and to pass over the undercut 404 more easily.

Referring to fig. 5, it will be appreciated that the bottom wall of the slot 401 is planar and thus the bottom wall of the slot 401 is rectangular in cross-section to facilitate engagement with the four inverted snaps 404. It should be noted that the bottom wall of the card slot 401 may also be in the shape of an arc, and the side of the inverted buckle 404 facing the bottom wall of the card slot 401 may also be in the shape of an arc.

Referring to fig. 6, it can be understood that four baffles 102 are arranged on the housing 101, and a gap exists between two adjacent baffles 102, so that the two adjacent baffles 102 can be prevented from interfering and affecting the adapter connection igniter.

Referring to fig. 5, it can be understood that the connection terminal 103 is provided with four plane portions 402, the four plane portions 402 are uniformly distributed along the circumferential direction of the connection terminal 103, an arc portion 501 is arranged between two adjacent plane portions 402, and after the adapter is connected with the igniter, the arc portion 501 is located between two adjacent baffles 102.

Referring to fig. 7 and 8, it is understood that the reverse buckle 404 may be replaced by a snap spring 701. The circlip 701, also called a retainer ring or a snap ring, belongs to a fastener, is arranged in a shaft groove or a hole groove of a machine or equipment and plays a role of preventing parts on a shaft or a hole from moving axially.

During assembly, the connecting terminal 103 of the adapter penetrates through the connecting port 201 of the igniter, the connecting terminal 103 enters the shell 101, at the moment, the clamping groove 401 is located inside the shell 101, the clamping spring 701 is clamped in the clamping groove 401, and the outer diameter of the clamping spring 701 is larger than the width of the connecting port 201, so that the connecting terminal 103 can be clamped on the shell 101, and the connecting terminal 103 is prevented from being separated from the connecting port 201.

Referring to fig. 7, 8 and 12, it can be understood that only one baffle plate 102 is provided on the housing 101, and the baffle plate 102 is located on one side of the connection port 201, and the connection terminal 103 is provided with four flat surface portions 402, and correspondingly, the connection port 201 is rectangular in shape. The rotation of the connection terminal 103 can be limited by the cooperation of the baffle plate 102 and the plane part 402, so that the reliable circuit connection between the connection terminal 103 and the igniter is ensured, and the circuit damage or failure caused by torsion is avoided.

Referring to fig. 7, 9, 10, 11 and 12, it can be understood that the blocking plate 102 is located at one side of the connection terminal 103, and the snap spring 701 is snapped into the card slot 401 from the other side of the connection terminal 103. The clamp spring 701 surrounds at least three sides of the connecting terminal 103, so that the clamp spring 701 can be better clamped in the clamping groove 401, and the rotation of the connecting terminal 103 can be limited.

Referring to fig. 14, it can be understood that the side of the baffle plate 102 near the connection port 201 is in the same plane as the inner wall of the connection port 201. In this way, the baffle plate 102 can be brought closer to the connection terminal 103, so that the rotation of the connection terminal 103 can be better restricted, the wobbling of the connection terminal 103 can be reduced, and the installation of the connection terminal 103 can not be blocked.

Referring to fig. 15, it can be understood that the latch spring 701 has an arc shape and has an opening 1501 through which the connection terminal 103 passes to be latched into the latch slot 401 of the connection terminal 103. So set up, can make things convenient for jump ring 701 to open opening 1501, in joint and the draw-in groove 401. Referring to fig. 13, the bottom wall of the card slot 401 is an arc-shaped surface corresponding to the clamp spring 701, and the cross section of the bottom wall of the card slot 401 is circular.

Referring to fig. 15, it can be understood that the end of the latch spring 701 is provided with a second guide portion 1502 to facilitate the latch spring 701 to be latched to the latch slot 401. The second guide portion 1502 may be a slope or a circular arc surface.

Referring to fig. 15, it can be understood that the width of the snap spring 701 is gradually reduced from the middle to both ends. The middle width of the clamp spring 701 is the largest, which is beneficial to ensuring the strength of the clamp spring 701, and the width of the two ends of the clamp spring 701 is the smallest, which is beneficial to realizing the elastic deformation of the two ends, thereby opening a certain angle and clamping the clamp spring 701 in the clamping groove 401.

Referring to fig. 15, it can be understood that the circlip 701 is provided with a boss 1503. During assembly, the boss 1503 can facilitate the operator to grab the clamp spring 701, so that the clamp spring 701 can be conveniently clamped in the clamping groove 401. In the disassembly process, the boss 1503 can facilitate force application of an operator, and a tool is abutted to the boss 1503 to disassemble the snap spring 701.

Referring to fig. 7 and 12, it can be understood that the boss 1503 is disposed opposite to the planar portion 402 of the connection terminal 103, and the boss 1503 cooperates with the planar portion 402 to prevent the circlip 701 from rotating.

The gas stove provided by the embodiment of the invention comprises the ignition device provided by the embodiment of the invention, and the structure of the igniter and the adapter meets the requirement of a 3C standard Y-shaped structure by adopting the ignition device provided by the embodiment of the invention.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (15)

1. An ignition device, comprising:

the igniter comprises a shell, wherein the shell is provided with a connecting port;

the adapter comprises a connecting terminal which is arranged on the connecting port in a penetrating mode, and the connecting terminal is provided with a clamping groove;

and the clamping piece is clamped in the clamping groove to prevent the connecting terminal from being separated from the connecting port.

2. The ignition device according to claim 1, wherein the housing is provided with a baffle plate, and the connection terminal is provided with a flat surface portion that engages with the baffle plate to prevent the connection terminal from rotating.

3. The ignition device according to claim 2, wherein the connection terminal is provided with four of the planar portions, the four planar portions being evenly distributed in a circumferential direction of the connection terminal.

4. The ignition device according to claim 3, wherein said housing is provided with four of said baffles, and four of said baffles are provided in one-to-one correspondence with four of said flat portions.

5. The ignition device according to any one of claims 2 to 4, wherein the snap-in member is provided to the baffle.

6. The ignition device of claim 5, wherein said snap-fit member is integrally formed with said baffle.

7. The ignition device according to claim 1, wherein the housing is provided with a first guide portion for facilitating entry of the connection terminal into the connection port.

8. The ignition device of claim 1, wherein said snap-fit member is a snap spring.

9. The ignition device according to claim 8, wherein said snap-in member is arc-shaped and has an opening for said connection terminal to pass through.

10. The ignition device of claim 9, wherein the width of the snap-in member gradually decreases from the middle to both ends.

11. The ignition device of claim 9, wherein the end of the clamping member is provided with a second guiding portion for facilitating the clamping of the clamping member in the clamping groove.

12. An ignition device as claimed in any one of claims 8 to 11, wherein the snap-in member is provided with a boss.

13. The ignition device according to claim 12, wherein said connection terminal is provided with a flat portion, and said boss is engaged with said flat portion to prevent rotation of said snap member.

14. The ignition device according to claim 1, wherein an end of the connection terminal is provided with a third guide portion.

15. Gas burner characterized in that it comprises an ignition device according to any one of claims 1 to 14.

Images