Gas outlet part and gas outlet structure of lighter

Abstract

The utility model discloses a gas outlet portion and lighter gas outlet structure, the gas outlet portion comprises a lower cylinder body capable of flowing large gas flow and an upper cylinder body capable of flowing small gas flow, n ribs are arranged on the lower cylinder body, n is an integer greater than or equal to 2, all the ribs are distributed along the circumferential direction, the upper cylinder body is located among all the ribs, and the upper cylinder body is provided with a plurality of convex ribs. A gap is reserved between the lower barrel body and the upper barrel body, a lateral flow dividing channel is formed between the lower barrel body and the upper barrel body, the flow dividing channel is divided into a plurality of side holes by the protruding edges, an edge groove is formed between every two adjacent protruding edges, the edge grooves and the side holes are in one-to-one correspondence and are communicated, an annular piece is arranged on the outer side face of the upper barrel body, and the annular piece is connected with the lower barrel body. The annular piece is located right above all the edge grooves, the outer side face of the annular piece is provided with at least one convex corner used for conducting electricity, and the convex corners are located above the edge grooves; the utility model has the advantages that the convex corners are used for conductive ignition instead of prisms, and the ignition rate is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lighter accessory technical field, especially, a kind of air outlet and lighter air outlet structure are involved. BACKGROUND

[0002] Lighter air outlet mechanism generally includes air mixing pipe, air outlet, heat-insulating cup and conducting structure and other accessories, the tail of air outlet is inserted into air mixing pipe, and the head of air outlet is inserted into heat-insulating cup.Gas in gas storage tank assembly is mixed with air by air mixing pipe, and the mixed gas is sprayed into heat-insulating cup by air outlet, and spark is generated when conducting structure is electrified, and the mixed gas in heat-insulating cup is ignited to form flame.

[0003] To improve the ignition rate, the applicant provided a kind of air outlet and lighter air outlet structure before, patent application number CN2024227097669, air outlet includes the lower cylinder that can flow atmosphere stream and the upper cylinder that can flow small air current, at least two convex edges for conducting are provided on the lower cylinder, all the convex edges are distributed along the circumferential direction, and the upper cylinder is located between all the convex edges.The technical scheme is used for ignition when convex edge and conducting cup cooperate to generate spark, compared with the inner section of conventional conducting cup, convex edge is arranged on lower cylinder, is less affected by mixed gas, and is not easy to bend, which helps to guarantee the ignition rate.

[0004] In actual production and test process, the applicant finds that the lighter matched with the air outlet exists the situation of not igniting when igniting, and the reason is that the technical scheme is used for ignition when convex edge and conducting cup cooperate to generate spark, but during the process that combustion-supporting mixed gas flows out from side hole and flows into heat-insulating cup, combustion-supporting mixed gas is mainly concentrated in the edge groove and its extension direction area on both sides of convex edge, and combustion-supporting mixed gas is less in the area between convex edge and conducting cup, that is, combustion-supporting mixed gas is less on the movement track of spark, which may eventually lead to not igniting, and is not conducive to guarantee the ignition rate. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem to provide a kind of air outlet and lighter air outlet structure, which helps to guarantee the ignition rate.

[0006] The utility model discloses a kind of air outlet parts, including the lower cylinder of the flow of atmosphere and the upper cylinder of the flow of small air current, n convex edges are provided on the lower cylinder, n is the integer greater than or equal to 2, all the convex edges are distributed along the circumferential direction, the upper cylinder is located between all the convex edges, gap is left between the lower cylinder and the upper cylinder and forms lateral shunt passage, all the convex edges divide the shunt passage into multiple side holes, the convex edge between adjacent two forms ridge groove, the ridge groove is one-to-one correspondence with the side hole and is communicated, the outside of the upper cylinder is provided with annular part, the annular part is located above all the ridge groove, the outside of the annular part has at least one convex corner for conducting electricity, the convex corner is located above the ridge groove.

[0007] Preferably, the convex corner is provided with n, and the convex corner is one-to-one correspondence with the ridge groove and located above the corresponding ridge groove.

[0008] Preferably, the inside of the annular part is fixedly connected with the outside of the upper cylinder, and the lower end surface of the annular part is abutted, fixedly connected or left with a gap with the upper end surface of the convex edge.

[0009] Preferably, the annular part is integrally formed with the upper cylinder; or the annular part, the upper cylinder and the convex edge are integrally formed.

[0010] Preferably, the lower end surface of the convex corner is provided with an inclined guide surface.

[0011] And a kind of air outlet parts, including the lower cylinder of the flow of atmosphere and the upper cylinder of the flow of small air current, n convex edges are provided on the lower cylinder, n is the integer greater than or equal to 2, all the convex edges are distributed along the circumferential direction, the upper cylinder is located between all the convex edges, gap is left between the lower cylinder and the upper cylinder and forms lateral shunt passage, all the convex edges divide the shunt passage into multiple side holes, the convex edge between adjacent two forms ridge groove, the ridge groove is one-to-one correspondence with the side hole and is communicated, the outside of the upper cylinder is provided with at least one convex corner for conducting electricity, the convex corner is located in the ridge groove or above the ridge groove.

[0012] Preferably, the convex corner is provided with n, and the convex corner is one-to-one correspondence with the ridge groove.

[0013] Preferably, n convex edges are distributed equidistantly along the circumferential direction.

[0014] Preferably, n is 2 or 4.

[0015] And a lighter air outlet structure, comprising a heat insulation cup, a conductive cup and the air outlet part, the cup bottom of the heat insulation cup is provided with a mounting hole, the conductive cup is sleeved outside the heat insulation cup, the lower part of the lower cylinder passes through the mounting hole, the upper part of the lower cylinder, the upper cylinder, the convex rib and the convex angle are located in the heat insulation cup, and the distance between the convex angle and the conductive cup is within the ignition distance range.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1, adopt convex angle and conductive cup cooperation and carry out ignition, replace the existing convex rib and conductive cup cooperation and carry out ignition, can change the motion trail of spark, make the motion trail of spark pass through the upper area of the rib groove, the mixed gas for combustion in this area is more sufficient, is easy to be ignited, help to guarantee the ignition rate;

[0018] 2, through set up convex angle, the mixed gas for combustion that flows upwards along the rib groove hits the lower end surface of convex angle and diffuses outward, reduce the flow rate of the mixed gas for combustion, and make the part of mixed gas for combustion and air mix fully, easy to be ignited, at this time, flow through the motion trail of spark again, help to further guarantee the ignition rate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure diagram of the air outlet part in the utility model Figure 1 ;

[0020] Figure 2 It is the cross section structure diagram of the air outlet part in the utility model Figure 1 ;

[0021] Figure 3 It is the cross section structure diagram of the air outlet part in the utility model Figure 2 ;

[0022] Figure 4 It is the explosion structure diagram of the air outlet part in the utility model Figure 1 ;

[0023] Figure 5 It is the structure diagram of the air outlet part in the utility model Figure 2 ;

[0024] Figure 6 It is the structure diagram of the air outlet part in the utility model Figure 3 ;

[0025] Figure 7 It is the structure diagram of the air outlet part in the utility model Figure 4 ;

[0026] Figure 8 It is the explosion structure diagram of the air outlet part in the utility model Figure 2 ;

[0027] Figure 9 It is a structural schematic diagram of the gas outlet structure of the lighter in this utility model.

[0028] In the figure: 1. Lower cylinder; 11. Positioning ring; 2. Upper cylinder; 21. Ring member; 22. Protruding corner; 221. Bevel guide surface; 3. Protruding ridge; 4. Side hole; 5. Ridge; 6. Insulating cup; 61. Mounting hole; 7. Conductive cup; 71. Conductive ring; 8. Air mixing pipe; 81. Air inlet hole; 82. Boosting chamber; 83. Boosting plate; 84. Sealing ring; 85. Filter; 86. Rubber tail cap. DETAILED DESCRIPTION

[0029] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing 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. Therefore, they cannot be understood as limitations on the present invention.

[0031] Example 1: Figures 1 to 3 As shown, an air outlet portion includes a lower cylinder 1 capable of flowing a large airflow and an upper cylinder 2 capable of flowing a small airflow. The lower cylinder 1 and the upper cylinder 2 are located on the same axis. The lower cylinder 1 is provided with n ribs 3, where n is an integer greater than or equal to 2. All ribs 3 are distributed along the circumference. The upper cylinder 2 is located between all ribs 3. A gap is left between the lower cylinder 1 and the upper cylinder 2 to form a lateral diversion channel. All ribs 3 divide the diversion channel into multiple side holes 4. Rib grooves 5 are formed between adjacent ribs 3. The rib grooves 5 correspond to and communicate with the side holes 4 one by one. The outer side of the upper cylinder 2 is provided with an annular member 21, which is located directly above all rib grooves 5. The outer side of the annular member 21 has at least one convex corner 22 for conducting electricity, which is located above the rib groove 5. The convex corner 22 can be a sharp corner, a rounded corner, or a chamfered corner, preferably a rounded corner.

[0032] In this embodiment, n is 2 or 4, all ridges 3 are evenly spaced along the circumferential direction, and the ridges 3 extend along the vertical direction. The lower end surface of the ridge 3 and the upper end surface of the lower cylinder 1 are integrally formed, which is convenient for one-time stamping through the Haver die.

[0033] In the technical solution, the convex rib 3 is used to connect the lower cylinder 1 and the upper cylinder 2, but is not used for conduction, the convex corner 22 is used for conduction, and the annular part 21 is used to block the combustion-supporting mixed gas flowing upward along the rib groove 5, reduce the flow rate of the combustion-supporting mixed gas, and make the combustion-supporting mixed gas in this part diffuse outward; the convex rib 3, the upper cylinder 2, and the annular part 21 can be integrally formed, which is helpful to simplify the processing technology, reduce the production cost, improve the production efficiency, and improve the consistency of the output gas part. Of course, the convex rib 3, the upper cylinder 2, and the annular part 21 can also be integrally formed (see Figure 4 ), and then assembled after separate processing, which depends on the actual situation.

[0034] It should be noted that after the annular part 21 with the convex corner 22 is arranged on the outer side of the upper cylinder 2, the inner section of the existing conductive cup 7 (see Figure 9 ) can be cancelled, and the convex corner 22 cooperates with the conductive cup 7 to generate sparks for ignition when electrified.

[0035] Embodiment two: as shown in Figure 1 and Figure 5 , the remaining parts are the same as embodiment one, and the difference is that the convex corner 22 is provided with n, the convex corner 22 corresponds to the rib groove 5 one by one and is located above the corresponding rib groove 5, and when igniting, any one convex corner 22 cooperates with the conductive cup 7 to form sparks, which is helpful to ensure the ignition rate.

[0036] When n is 4, the cross section of the outer side of the annular part 21 is preferably a square, and the four corners of the square are the convex corners 22.

[0037] Embodiment three: as shown in Figure 1 and Figure 5 , the remaining parts are the same as embodiment one, and the difference is that the inner side of the annular part 21 is fixedly connected with the outer side of the upper cylinder 2, and preferably, the annular part 21 is integrally formed with the upper cylinder 2; the lower end surface of the annular part 21 is fixedly connected with the upper end surface of the convex rib 3, and preferably, the annular part 21 is integrally formed with the convex rib 3.

[0038] Embodiment four: as shown in Figure 4 and Figure 5 , the remaining parts are the same as embodiment three, and the difference is that the lower end surface of the annular part 21 abuts against the upper end surface of the convex rib 3.

[0039] In the technical solution, the upper cylinder 2 and the convex rib 3 are separately arranged, and the annular part 21 is integrally arranged on the outer side of the upper cylinder 2, and when assembling, the upper cylinder 2 is inserted between all the convex ribs 3, and the lower end surface of the annular part 21 abuts against the upper end surface of the convex rib 3, which is relatively simple to operate.

[0040] Embodiment five: as shown in Figure 6 the rest of the same as embodiment three, the difference is that the lower end surface of the annular part 21 and the upper end surface of the convex rib 3 left gap, the gap is provided to facilitate the lateral diffusion of the combustion-supporting mixed gas, supplement to the upper area of the convex rib 3, help the combustion-supporting mixed gas to diffuse uniformly.

[0041] Embodiment six: as shown in Figure 2 and Figure 5 the rest of the same as embodiment one, the difference is that the lower end surface of the convex angle 22 is provided with a bevel guide surface 221, which is inclined from inside to outside and upward, the setting of the bevel guide surface 221 helps to guide the combustion-supporting mixed gas to flow obliquely upward to the motion trajectory of the spark flowing quickly, ensuring that the spark and the combustion-supporting mixed gas contact more accurately and timely, improving the ignition success rate.

[0042] Embodiment seven: as shown in Figure 7 and Figure 8 an air outlet, comprising a lower cylinder 1 capable of flowing a large air flow and an upper cylinder 2 capable of flowing a small air flow, the lower cylinder 1 and the upper cylinder 2 are located on the same axis, the lower cylinder 1 is provided with n convex ribs 3, n is an integer greater than or equal to 2, all the convex ribs 3 are distributed in the circumferential direction, the upper cylinder 2 is located between all the convex ribs 3, a gap is left between the lower cylinder 1 and the upper cylinder 2 and forms a lateral shunt channel, all the convex ribs 3 divide the shunt channel into a plurality of side holes 4, a ridge groove 5 is formed between two adjacent convex ribs 3, the ridge groove 5 corresponds to and communicates with the side hole 4, the outer side of the upper cylinder 2 is provided with at least one convex angle 22 for conducting electricity, the convex angle 22 is located in the ridge groove 5 or directly above the ridge groove 5.

[0043] In this embodiment, n is 2 or 4, all the convex ribs 3 are distributed at equal intervals in the circumferential direction, and the convex ribs 3 extend in the vertical direction, the lower end surface of the convex rib 3 is integrally formed with the upper end surface of the lower cylinder 1, which is convenient for one-time stamping forming by Haver mold.

[0044] In this embodiment, the convex angle 22 is provided with n, the convex angle 22 corresponds to the ridge groove 5 one by one, during ignition, any one convex angle 22 cooperates with the conductive cup 7 to form a spark, which helps to ensure the ignition rate.

[0045] In this embodiment, the convex angle 22 is integrally formed with the upper cylinder 2, which helps to simplify the processing technology, reduce the production cost and improve the production efficiency; the lower end surface of the convex angle 22 is provided with a bevel guide surface 221, which is inclined from inside to outside and upward, the setting of the bevel guide surface 221 helps to guide the combustion-supporting mixed gas to flow obliquely upward to the motion trajectory of the spark flowing quickly, ensuring that the spark and the combustion-supporting mixed gas contact more accurately and timely, improving the ignition success rate.

[0046] In the technical solution, the convex rib 3 is used to connect the lower cylinder 1 and the upper cylinder 2, but is not used for conducting electricity, the convex corner 22 is used for conducting electricity, and is used for blocking the combustion-supporting mixed gas flowing upward along the rib groove 5, reducing the flow rate of the combustion-supporting mixed gas, and making the combustion-supporting mixed gas in the part diffuse outward.

[0047] Embodiment eight: as shown in Figure 1 and Figure 9 A lighter gas outlet structure, comprising a heat insulation cup 6, a conductive cup 7, an air mixing pipe 8 and any one of the gas outlet parts of embodiments one to seven, the bottom of the heat insulation cup 6 is provided with a mounting hole 61, the conductive cup 7 is sleeved outside the heat insulation cup 6, the lower part of the lower cylinder 1 penetrates the mounting hole 61 and is connected with the upper part of the air mixing pipe 8, the upper part of the lower cylinder 1, the upper cylinder 2, the convex rib 3 and the convex corner 22 are all located in the heat insulation cup 6, the distance between the convex corner 22 and the conductive cup 7 is within the ignition distance range, the middle part of the air mixing pipe 8 is provided with an air inlet hole 81, the lower part of the air mixing pipe 8 is provided with a booster cavity 82, and the booster cavity 82 is sequentially provided with a booster piece 83, a sealing ring 84, a filter screen 85 and a rubber tail cap 86 from top to bottom. Conventionally, the heat insulation cup 6 is a porcelain cup, the conductive cup 7 is an iron cup, the upper end of the iron cup is provided with a conductive ring 71 extending to the upper end face of the heat insulation cup 6, and the distance between the convex corner 22 and the conductive ring 71 is within the ignition distance range.

[0048] In the embodiment, the outer side of the lower cylinder 1 is fixedly provided with a positioning ring 11, the positioning ring 11 abuts against the inner bottom surface of the heat insulation cup 6, and preferably, the positioning ring 11 is integrally formed with the lower cylinder 1.

[0049] The utility model has been described above in conjunction with the drawings, and obviously, the implementation of the utility model is not limited by the above-mentioned mode. As long as various improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model is directly applied to other occasions without improvement, it is within the protection scope of the utility model.

Claims

1. An air outlet comprising a lower cylinder (1) capable of flowing a large air flow and an upper cylinder (2) capable of flowing a small air flow, n convex edges (3) are arranged on the lower cylinder (1), n is an integer greater than or equal to 2, all the convex edges (3) are distributed in the circumferential direction, the upper cylinder (2) is located between all the convex edges (3), a gap is left between the lower cylinder (1) and the upper cylinder (2) and forms a lateral shunt passage, all the convex edges (3) divide the shunt passage into a plurality of side holes (4), characterized in that The two adjacent convex edges (3) form a slot (5), the slot (5) corresponds to the side hole (4) and communicates, the outer side of the upper cylinder (2) is provided with a ring part (21), the ring part (21) is located directly above all the slots (5), the outer side of the ring part (21) has at least one convex corner (22) for conducting electricity, and the convex corner (22) is located above the slot (5).

2. An air outlet according to claim 1, wherein The convex corner (22) is provided with n, the convex corner (22) corresponds to the slot (5) and is located above the corresponding slot (5).

3. The air outlet according to claim 1, wherein The inner side of the ring part (21) is fixedly connected with the outer side of the upper cylinder (2), the lower end surface of the ring part (21) abuts against, is fixedly connected with or has a gap with the upper end surface of the convex edge (3).

4. An air outlet according to claim 3, wherein The ring part (21) is integrally formed with the upper cylinder (2). Alternatively, the ring part (21), the upper cylinder (2) and the convex edge (3) are integrally formed.

5. The air outlet according to claim 1, wherein The lower end surface of the convex corner (22) is provided with an inclined guide surface (221).

6. An air outlet comprising a lower cylinder (1) capable of flowing a large air flow and an upper cylinder (2) capable of flowing a small air flow, n convex edges (3) are arranged on the lower cylinder (1), n is an integer greater than or equal to 2, all the convex edges (3) are distributed in the circumferential direction, the upper cylinder (2) is located between all the convex edges (3), a gap is left between the lower cylinder (1) and the upper cylinder (2) and forms a lateral shunt passage, all the convex edges (3) divide the shunt passage into a plurality of side holes (4), characterized in that The two adjacent convex edges (3) form a slot (5), the slot (5) corresponds to the side hole (4) and communicates, the outer side of the upper cylinder (2) is provided with at least one convex corner (22) for conducting electricity, and the convex corner (22) is located in the slot (5) or directly above the slot (5).

7. An air outlet according to claim 5, wherein The convex corner (22) is provided with n, the convex corner (22) corresponds to the slot (5).

8. The air outlet according to claim 1 or 6, characterized in that The n convex edges (3) are equally spaced in the circumferential direction.

9. The air outlet according to claim 1 or 6, characterized in that N is 2 or 4.

10. A gas outlet structure of a lighter, comprising a heat-insulating cup (6) and a conductive cup (7), a mounting hole (61) is arranged at the bottom of the heat-insulating cup (6), and the conductive cup (7) is sleeved outside the heat-insulating cup (6), characterized in that Further comprising the air outlet part according to any one of claims 1-7, the lower part of the lower cylinder (1) is provided with the mounting hole (61), the upper part of the lower cylinder (1), the upper cylinder (2), the convex edge (3) and the convex corner (22) are located in the heat insulation cup (6), and the distance between the convex corner (22) and the conductive cup (7) is within the ignition distance range.

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