Anti-falling lighter gasification furnace

Abstract

The utility model discloses an anti-drop lighter gasification furnace, which comprises an air mixing pipe, an air outlet part and a heat insulation cup, the cup bottom of the heat insulation cup is provided with a mounting hole, the upper end of the air mixing pipe is fixedly provided with a connector, the connector penetrates through the mounting hole, the side surface of the connector is provided with a clamping groove, and the clamping groove is provided with an air outlet. A mounting hole is formed in the connector, a guide face is arranged at the mounting hole, the air outlet part is arranged on the connector, a clamping piece is fixedly arranged on the air outlet part, the clamping piece is bent along the guide face and inserted into the clamping groove, and the guide face abuts against the clamping piece; the method has the advantage of good stability.

Description

Technical Field

[0001] The utility model belongs to the technical field of lighters, in particular to an anti-falling lighter gasification furnace. Background Art

[0002] A lighter is an ignition device, usually including a shell, a gas storage box assembly, an ignition device, a gasifier and a gas supply control mechanism, wherein the gasifier generally includes an air mixing tube, an intermediate seat, an air outlet, a ceramic cup and an iron cup, the gas storage box assembly, the air mixing tube, the intermediate seat, the air outlet and the ceramic cup are connected in sequence, the fuel gas in the gas storage box assembly is mixed with the air through the air mixing tube, the mixed gas is sprayed into the ceramic cup through the intermediate seat and the air outlet, the ignition device emits sparks towards the ceramic cup, igniting the mixed gas in the ceramic cup to form a flame.

[0003] When assembling the existing gasifier, the gas outlet is inserted into the upper part of the middle seat, the middle part of the middle seat is pressed on the upper surface of the bottom of the ceramic cup, the bottom of the middle seat passes through the ceramic cup and is inserted into the air mixing tube, the upper end surface of the air mixing tube is pressed on the lower surface of the bottom of the ceramic cup, and the ceramic cup is clamped by the middle seat and the air mixing tube. In this structure, the middle seat and the air mixing tube have an interference fit, and the connection stability is poor. In addition, the connection stability between the middle seat and the air mixing tube will continue to weaken during use, which may eventually lead to loosening between the middle seat and the air mixing tube, and the stability needs to be improved. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a lighter gasification furnace which is anti-falling and has good stability.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: an anti-slip lighter gasification furnace, including an air mixing tube, an air outlet and an insulating cup, the bottom of the insulating cup is provided with a mounting hole, the upper end of the air mixing tube is fixedly provided with a connecting head, the connecting head passes through the mounting hole, the side of the connecting head is provided with a card slot, the mounting hole is provided with a guide surface, the air outlet is provided on the connecting head, the air outlet is fixedly provided with a card connector, the card connector is bent along the guide surface and inserted into the card slot, and the guide surface abuts against the card connector.

[0006] Preferably, the connector and the air mixing tube are integrally formed.

[0007] Preferably, at least the upper portion of the mounting hole is a reducing hole, the inner wall of the reducing hole forms the guide surface, the clamping groove is an annular groove and is located on the inner side of the reducing hole, the clamping part is arranged in an annular shape, the clamping part extends into the reducing hole and is inserted into the annular groove, and the guide surface abuts against the outer side surface of the clamping part.

[0008] Preferably, the diameter of the variable diameter hole gradually decreases from top to bottom.

[0009] Preferably, a groove is provided on the inner wall of the mounting hole, the opening of the groove faces the card slot, the upper end of the groove passes through the inner bottom surface of the insulation cup, the bottom of the groove is inclined from top to bottom toward the opening to form the guide surface, the clamping piece is provided in a strip shape, the clamping piece extends into the groove and is inserted into the card slot, and the guide surface abuts against the side surface of the clamping piece.

[0010] Preferably, the air outlet portion includes a sleeve and a top plate fixedly arranged at the upper end of the sleeve, the top plate is provided with a main air outlet and a plurality of diversion holes, the plurality of diversion holes are distributed around the main air outlet in a circumferential direction, the sleeve is sleeved on the outside of the connecting head, and the clamping piece is fixedly arranged at the lower end of the sleeve.

[0011] Preferably, the upper end surface of the connecting head is recessed downward to form a receiving groove, and the bottom of the receiving groove is provided with a first air inlet hole connected to the interior of the air mixing tube, and the top plate cooperates with the receiving groove to form an air storage chamber, and the main air outlet and multiple diversion holes are respectively connected to the air storage chamber.

[0012] Preferably, the air outlet portion includes an air outlet column, the upper end surface of the connecting head is recessed downward to form a slot, the bottom of the slot is provided with a second air inlet hole connected to the interior of the air mixing tube, the lower part of the air outlet column is inserted into the slot, and the upper end of the clip is connected to the upper part of the side of the air outlet column.

[0013] Preferably, a spacing is left between the lower end surface of the air outlet column and the bottom of the slot, and an air storage chamber is formed between the lower end surface of the air outlet column and the bottom of the slot. A main air outlet hole is arranged at the center of the air outlet column, and a plurality of diversion holes are arranged between the side surface of the air outlet column and the inner wall of the slot. The main air outlet hole and the plurality of diversion holes are respectively connected to the air storage chamber.

[0014] Preferably, a limit ring or a limit block is fixedly provided on the outer side surface of the air mixing tube, and the upper end surface of the limit ring or the upper end surface of the limit block abuts against the lower end surface of the insulation cup.

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] 1. By fixing a connector on the upper end of the air mixing tube and fixing a clamping piece on the air outlet, a clamping groove is provided on the side of the connector, the air outlet is provided on the connector, and the clamping piece is bent along the guide surface and inserted into the clamping groove. This connection method can ensure the stability of the connection between the air outlet and the air mixing tube, and the two are not easy to get loose, the stability is good, and the assembly is convenient, which helps to improve the production efficiency;

[0017] 2. Compared with conventional structures, the middle seat design is cancelled, the use of parts is reduced, which helps to simplify the processing technology, improve production efficiency, and at the same time helps to reduce assembly errors, and the output gasifier has better consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The cross-sectional structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 3 The cross-sectional structure of the heat-insulating cup in the utility model is shown in FIG. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the structure of the air mixing tube in the utility model;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the air mixing tube in the utility model;

[0023] Figure 6 The structure of the air outlet of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 7 It is a schematic diagram of the cross-sectional structure of the air outlet portion of the utility model;

[0025] Figure 8 The cross-sectional structure of the heat-insulating cup in the utility model is shown in FIG. Figure 2 ;

[0026] Fig. 9 The cross-sectional structure of the heat-insulating cup in the utility model is shown in FIG. Figure 3 ;

[0027] Fig.10 The structure of the air outlet of the utility model is shown in FIG. Figure 2 ;

[0028] Fig.11 The structure of the utility model is shown in FIG. Figure 2 ;

[0029] Fig.12 The cross-sectional structure of the utility model is shown in FIG. Figure 2 ;

[0030] Fig.13 This is a schematic diagram of the partial explosion structure of the utility model (the clamping piece is in an unbent state);

[0031] Fig.14 It is a partial structural schematic diagram of the utility model (the clamping piece is in an unbent state);

[0032] Fig.15 It is a side view of the local structure of the utility model.

[0033] In the figure: 1. air mixing tube; 11. connector; 12. slot; 13. receiving slot; 131. first air inlet; 14. slot; 141. second air inlet; 15. inclined guide surface; 16. limit ring; 17. limit block; 2. air outlet; 21. connector; 22. sleeve; 23. top plate; 24. main air outlet; 25. diverter hole; 26. air outlet column; 3. heat insulation cup; 31. mounting hole; 32 guide surface; 33. groove; 4. iron cup; 5. air storage chamber. DETAILED DESCRIPTION

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0035] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0036] Embodiment 1: Figures 1 to 5 As shown, a lighter gasification furnace with anti-slipping comprises an air mixing tube 1, an air outlet portion 2 and an insulating cup 3. The bottom of the insulating cup 3 is provided with a mounting hole 31. A hollow connector 11 is fixedly provided at the upper end of the air mixing tube 1. The connector 11 is provided with the mounting hole 31. A card slot 12 is provided on the side of the connector 11. A guide surface 32 is provided at the mounting hole 31. The air outlet portion 2 is provided on the connector 11. A clamping piece 21 is fixedly provided on the air outlet portion 2. The clamping piece 21 is bent along the guide surface 32 and inserted into the card slot 12, and the guide surface 32 abuts against the clamping piece 21.

[0037] In this embodiment, the connector 11 and the air mixing tube 1 are integrally formed, which helps to simplify the processing technology, reduce processing errors, reduce production costs and improve production efficiency. Compared with the conventional assembly method of the air mixing tube 1 and the intermediate seat, the air mixing tube 1 will not be deformed due to interference fit, and the aperture consistency of the air intake passage is better.

[0038] In this embodiment, the clamping member 21 and the air outlet portion 2 are integrally formed, which helps to simplify the processing technology, reduce processing errors, lower production costs and improve production efficiency.

[0039] In this embodiment, the heat-insulating cup 3 is a ceramic cup, and an iron cup 4 is sleeved on the outside of the ceramic cup.

[0040] Embodiment 2: Figures 2 to 8 As shown, the rest of the parts are the same as those of the first embodiment, except that at least the upper part of the mounting hole 31 is a variable diameter hole, the inner wall of the variable diameter hole forms a guide surface 32, the clamping groove 12 is an annular groove and is located inside the variable diameter hole, the clamping member 21 is arranged in an annular shape, the clamping member 21 extends into the variable diameter hole and is inserted into the annular groove, and the guide surface 32 abuts against the outer side surface of the clamping member 21. Among them, the mounting hole 31 can be a variable diameter hole (see Figure 3 ), or the upper part can be a variable diameter hole (see Figure 8 ), depending on the actual situation.

[0041] In this embodiment, the diameter of the reducing hole gradually decreases from top to bottom, that is, the inner wall of the reducing hole is set in an arc surface. During assembly, when the air outlet part 2 is pressed into the insulation cup 3 and put on the connecting head 11, the clamping part 21 will bend inward along the inner wall of the reducing hole, and finally inserted into the clamping slot 12 to complete the assembly.

[0042] Furthermore, the depth of the annular groove gradually increases from top to bottom, that is, the bottom of the annular groove is set in an arc surface, and a relatively consistent spacing can be maintained between the annular groove and the inner wall of the reducing hole, which is convenient for the insertion of the clamp 21 and helps the clamp 21 to fully fill the space formed between the reducing hole and the annular groove, which helps to improve the stability of the connection and is not easy to loosen.

[0043] Embodiment 3: Fig. 9 and Fig.10 As shown, the rest of the parts are the same as those of the first embodiment, except that a groove 33 is provided on the inner wall of the mounting hole 31, and the opening of the groove 33 faces the card slot 12 (see Figure 5 ), the upper end of the groove 33 passes through the inner bottom surface of the insulation cup 3, the bottom of the groove 33 is inclined from top to bottom and towards the opening to form a guide surface 32, the clamping piece 21 is arranged in a strip shape, the clamping piece 21 extends into the groove 33 and is inserted into the card slot 12, and the guide surface 32 abuts against the side surface of the clamping piece 21.

[0044] During assembly, when the air outlet 2 is pressed into the heat-insulating cup 3 and mounted on the connector 11 , the clamping piece 21 extends into the groove 33 , bends inward, and is finally inserted into the clamping slot 12 to complete the assembly.

[0045] Embodiment 4: Figure 2 , Figures 4 to 7 As shown, the rest of the parts are the same as those in the first embodiment, except that the air outlet portion 2 includes a sleeve 22 and a top plate 23 fixedly arranged at the upper end of the sleeve 22, a main air outlet 24 and a plurality of diversion holes 25 are arranged on the top plate 23, and the plurality of diversion holes 25 are distributed around the main air outlet 24 along the circumferential direction, the sleeve 22 is sleeved on the outer side of the connecting head 11, and the clamping piece 21 is fixedly arranged at the lower end of the sleeve 22.

[0046] In this embodiment, the upper end surface of the connector 11 is recessed downward to form a receiving groove 13, and the bottom of the receiving groove 13 is provided with a first air inlet 131 communicating with the inside of the air mixing tube 1, and the top plate 23 cooperates with the receiving groove 13 to form an air storage chamber 5, and the main air outlet 24 and the plurality of diverter holes 25 are respectively connected with the air storage chamber 5. Among them, the first air inlet 131 and the main air outlet 24 are located on the same axis, and the aperture of the first air inlet 131 is larger than the aperture of the main air outlet 24. After the mixed gas enters the air storage chamber 5 from the first air inlet 131, part of the mixed gas is directly sprayed into the heat-insulating cup 3 through the main air outlet 24, and the rest of the mixed gas is sprayed into the heat-insulating cup 3 through the diverter holes 25.

[0047] In this embodiment, the upper end of the connector 11 is provided with an inclined guide surface 15 which is inclined from the inside to the outside and downward. The setting of the inclined guide surface 15 helps the air outlet part 2 to be quickly put on the connector 11 during assembly, which helps to improve the assembly efficiency and avoids collision and damage between the air outlet part 2 and the connector 11, which helps to improve the yield rate.

[0048] Embodiment 5: Figures 11 to 14 As shown, the rest of the parts are the same as those in the first embodiment, with the difference being that the air outlet portion 2 includes an air outlet column 26, the upper end surface of the connecting head 11 is recessed downward to form a slot 14, the bottom of the slot 14 is provided with a second air inlet hole 141 connected to the interior of the air mixing tube 1, the lower part of the air outlet column 26 is inserted into the slot 14, and the upper end of the clamping part 21 is connected to the upper part of the side of the air outlet column 26.

[0049] In this embodiment, a gap is left between the lower end surface of the outlet column 26 and the bottom of the slot 14, and an air storage chamber 5 is formed between the lower end surface of the outlet column 26 and the bottom of the slot 14. A main air outlet hole 24 is provided at the center of the outlet column 26, and a plurality of diverter holes 25 are provided between the side surface of the outlet column 26 and the inner side wall of the slot 13. The main air outlet hole 24 and the plurality of diverter holes 25 are respectively connected to the air storage chamber 5. Among them, a first slot body is provided on the side surface of the outlet column 26, and the lower end of the first slot body passes through the lower end surface of the outlet column 26, and a second slot body is provided on the side surface of the slot 14, and the upper end of the second slot body passes through the upper end surface of the slot 14, and the first slot body cooperates with the second slot body to form the diverter hole 25.

[0050] Example 6: Figure 2 , Figure 4 , Figure 5 and Fig.15 As shown, the rest of the parts are the same as those in Example 1, except that a limit ring 16 or a limit block 17 is fixedly provided on the outer side surface of the air mixing tube 1, and the upper end surface of the limit ring 16 or the upper end surface of the limit block 17 abuts against the lower end surface of the insulation cup 3. Preferably, the limit ring 16, the limit block 17 and the air mixing tube 1 are integrally formed, which helps to simplify the processing technology, reduce production costs and improve production efficiency. If the diameter of the air mixing tube 1 is large and the connecting head 11 is small, the upper end face of the air mixing tube 1 can directly abut against the lower end face of the insulating cup 3. In this case, the limiting ring 16 or the limiting block 17 may not be provided, and the bottom of the insulating cup 3 can be clamped by the air mixing tube 1 and the connecting head 11; if the diameter of the air mixing tube 1 is small and the connecting head 11 is large, the upper end face of the air mixing tube 1 cannot directly abut against the lower end face of the insulating cup 3. In this case, the limiting ring 16 or the limiting block 17 needs to be provided, and the bottom of the insulating cup 3 can be clamped by the limiting ring 16, the limiting block 17 and the connecting head 11.

[0051] In this embodiment, one or more limit blocks 17 are provided, preferably 2-4.

[0052] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A lighter gasification furnace with an anti-falling function, comprising an air mixing tube (1), an air outlet (2) and an insulating cup (3), wherein the bottom of the insulating cup (3) is provided with a mounting hole (31), characterized in that A connecting head (11) is fixedly provided at the upper end of the air mixing pipe (1), the connecting head (11) is provided with the mounting hole (31), a clamping groove (12) is provided on the side of the connecting head (11), a guide surface (32) is provided at the mounting hole (31), the air outlet (2) is provided on the connecting head (11), a clamping piece (21) is fixedly provided on the air outlet (2), the clamping piece (21) is bent along the guide surface (32) and inserted into the clamping groove (12), and the guide surface (32) is in contact with the clamping piece (21).

2. The anti-falling lighter gasification furnace according to claim 1, characterized in that The connecting head (11) and the air mixing tube (1) are integrally formed.

3. The anti-falling lighter gasification furnace according to claim 1, characterized in that At least the upper portion of the mounting hole (31) is a diameter-reducing hole, the inner wall of the diameter-reducing hole forms the guide surface (32), the clamping groove (12) is an annular groove and is located inside the diameter-reducing hole, the clamping member (21) is arranged in an annular shape, the clamping member (21) extends into the diameter-reducing hole and is inserted into the annular groove, and the guide surface (32) abuts against the outer side surface of the clamping member (21).

4. The anti-falling lighter gasification furnace according to claim 3, characterized in that The diameter of the variable diameter hole gradually decreases from top to bottom.

5. The anti-falling lighter gasification furnace according to claim 1, characterized in that A groove (33) is provided on the inner wall of the mounting hole (31), the opening of the groove (33) faces the clamping slot (12), the upper end of the groove (33) penetrates the inner bottom surface of the heat-insulating cup (3), the groove bottom of the groove (33) is inclined from top to bottom and toward the opening to form the guide surface (32), the clamping piece (21) is provided in a strip shape, the clamping piece (21) extends into the groove (33) and is inserted into the clamping slot (12), and the guide surface (32) abuts against the side surface of the clamping piece (21).

6. The anti-falling lighter gasification furnace according to claim 1, characterized in that The air outlet portion (2) comprises a sleeve (22) and a top plate (23) fixedly arranged at the upper end of the sleeve (22); a main air outlet hole (24) and a plurality of diversion holes (25) are arranged on the top plate (23); the plurality of diversion holes (25) are distributed around the main air outlet hole (24) along a circumferential direction; the sleeve (22) is sleeved on the outer side of the connecting head (11); and the clamping member (21) is fixedly arranged at the lower end of the sleeve (22).

7. The anti-falling lighter gasification furnace according to claim 6, characterized in that The upper end surface of the connecting head (11) is recessed downward to form a receiving groove (13); the bottom of the receiving groove (13) is provided with a first air inlet hole (131) which is in communication with the interior of the air mixing pipe (1); the top plate (23) cooperates with the receiving groove (13) to form an air storage chamber (5); the main air outlet hole (24) and the plurality of diversion holes (25) are respectively in communication with the air storage chamber (5).

8. The anti-falling lighter gasification furnace according to claim 1, characterized in that The air outlet portion (2) comprises an air outlet column (26); the upper end surface of the connecting head (11) is recessed downward to form a slot (14); the bottom of the slot (14) is provided with a second air inlet hole (141) which is connected to the interior of the air mixing tube (1); the lower part of the air outlet column (26) is inserted into the slot (14); and the upper end of the clamping member (21) is connected to the upper part of the side surface of the air outlet column (26).

9. The anti-falling lighter gasification furnace according to claim 8, characterized in that A gap is left between the lower end surface of the air outlet column (26) and the bottom of the slot (14); an air storage chamber (5) is formed between the lower end surface of the air outlet column (26) and the bottom of the slot (14); a main air outlet hole (24) is arranged at the center of the air outlet column (26); a plurality of diversion holes (25) are arranged between the side surface of the air outlet column (26) and the inner side wall of the slot (14); the main air outlet hole (24) and the plurality of diversion holes (25) are respectively connected to the air storage chamber (5).

10. The anti-falling lighter gasification furnace according to claim 1, characterized in that A limiting ring (16) or a limiting block (17) is fixedly provided on the outer side surface of the air mixing tube (1), and the upper end surface of the limiting ring (16) or the upper end surface of the limiting block (17) abuts against the lower end surface of the heat insulating cup (3).

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