Drawing switching type cigarette poison filter and cigarette

Abstract

The utility model relates to a drawing switching type cigarette poison filter and cigarette, the drawing switching type cigarette poison filter comprises an adjusting cover, a second filter tip rod, a sealing ring and a poison filtering core, the lower part of the adjusting cover is inserted into the poison filtering core to form a connecting structure capable of being adjusted up and down, a through hole is arranged in the middle of the adjusting cover, the second filter tip rod is filled in the lower part of the through hole, and the sealing ring is arranged on the second filter tip rod. The bottom of the adjusting cover is provided with a sealing ring around the through hole, and the bottom of the placing groove is provided with a plurality of micropores corresponding to the sealing ring and the through hole. The height of the sealing ring is changed by pulling / pressing the adjusting cover, so that the sealing degree of the micropore corresponding to the sealing ring can be controlled, the purpose of adjusting the suction resistance and the filtering effect is achieved, and the individual requirements of consumers are better met. In addition, the poison filter further has the advantages of being easy to operate, capable of achieving multiple filtering and the like. The poison filter can be combined with a first filter tip rod, a tobacco shred section and the like to form a complete cigarette with adjustable suction resistance and filtering effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cigarette field, especially a kind of pull switching formula cigarette filter and cigarette. BACKGROUND

[0002] Cigarette filter is used to filter tar, nicotine and other harmful substances contained in the smoke generated by cigarette combustion. Some consumers often enjoy cigarettes while also have the beautiful vision of reducing the inhalation of tar, nicotine and other harmful substances. For example: in the existing authorized utility model patent with the patent number ZL202322686009X, a bidirectional filter core is described, which can reduce the inhalation of tar, nicotine and other harmful substances by consumers in practice, but the resistance (referred to as: suction resistance) of smoking and the effect of filtering tar, nicotine and other harmful substances cannot be adjusted during use. For some consumers, the suction resistance is slightly high or slightly low, which cannot meet the individual needs of consumers and reduces the experience. SUMMARY

[0003] The utility model aims at providing a kind of pull switching formula cigarette filter and cigarette, to solve one or more of the above technical problems.

[0004] On the one hand, the utility model provides a kind of pull switching formula cigarette filter, including adjusting cover, second filter tip, sealing ring and filter core, the filter core is equipped with the placement groove with the opening upwards, the lower part of adjusting cover is inserted into placement groove, and the connecting structure that can be adjusted up and down is formed with filter core, the vertical direction of adjusting cover middle is equipped with the through-hole that penetrates adjusting cover, the second filter tip is filled in the lower part of the through-hole, the sealing ring is arranged around the through-hole in the bottom of adjusting cover, and a plurality of micropores are opened in the bottom of placement groove corresponding to sealing ring and through-hole. By changing the height of sealing ring, the opening degree of micropore corresponding to sealing ring can be controlled to achieve the purpose of adjusting suction resistance and filtering harmful substance effect. In addition, through the setting of micropore, the principle of micropore jet can be applied to filter the smoke passing through the pull switching formula cigarette filter. Through the setting of second filter tip, the tar, nicotine and other harmful substances contained in the smoke can be adsorbed by second filter tip when the smoke passes through second filter tip, which has the effect of further filtering the smoke.

[0005] In some embodiments,

[0006] The adjusting cover, second filter tip, sealing ring and filter core are coaxially arranged.

[0007] The adjusting cover and the filter core are integrally injection molded, and the adjusting cover and the filter core are one of transparent, translucent or opaque; when the adjusting cover and the filter core are transparent or translucent, the filtering process and effect in the cigarette filter device can be observed; when the adjusting cover and the filter core are opaque, the manufacturing cost is lower than that of the transparent or translucent adjusting cover and filter core.

[0008] The adjusting cover and the sealing ring are integrally designed or separately designed.

[0009] An annular protruding ring is arranged on the outer side of the upper portion of the adjusting cover, and a plurality of protrusions are arranged on the outer wall of the protruding ring, which are formed by knurling or the like, so as to enhance the roughness of the outer wall of the protruding ring and facilitate the pulling and switching by the consumer.

[0010] In some embodiments, the through hole is divided into an upper portion and a lower portion, the cross-sectional area of the lower portion is greater than that of the upper portion, so as to better fix the second filter rod, and the depth of the lower portion is greater than the height of the second filter rod, so as to form a cavity when the bottom of the adjusting cover is connected with the wall of the accommodating groove, the micropores arranged corresponding to the through hole are communicated with the cavity, and the arrangement of the cavity is beneficial to the uniform entry of smoke into the second filter rod.

[0011] In some embodiments, the adjusting cover and the sealing ring are separately designed, a fixing groove is arranged around the through hole at the bottom of the adjusting cover, the sealing ring is arranged on the fixing groove, so that the sealing ring moves up and down with the fixing groove, the lower portion of the sealing ring protrudes from the fixing groove, the upper portion, the lower portion and the accommodating groove are cylindrical, the sealing ring and the fixing groove are annular, the accommodating groove, the upper portion, the lower portion and the fixing groove are coaxially arranged, the inner diameter of the upper portion is smaller than that of the lower portion, the micropores arranged corresponding to the sealing ring are third micropores, the third micropores are uniformly arranged on the accommodating groove in the circumferential direction, the micropores arranged corresponding to the through hole include a first micropore arranged at the center and a plurality of second micropores arranged in the circumferential direction with the first micropore as the center, and the first micropore is coaxially arranged with the through hole.

[0012] In some embodiments,

[0013] Auxiliary grooves are arranged on the wall of the accommodating groove corresponding to the fixing groove and the sealing ring, and the upper openings of the micropores arranged corresponding to the sealing ring are arranged on the wall of the auxiliary grooves.

[0014] Grooves are arranged on the bottom of the filter core corresponding to the micropores.

[0015] The height of the bottom of the groove wall on one side of the fixing groove close to the through hole is smaller than the height of the bottom of the groove wall on the side far from the through hole.

[0016] In some embodiments, the adjusting cover and the sealing ring are designed as a whole, and the adjusting cover and the sealing ring are made of elastic plastic, such as polyethylene.

[0017] In some embodiments, the adjusting cover and the second filter rod are connected in a way that can be adjusted up and down, and the connecting structure comprises matched positioning blocks and positioning grooves, the positioning blocks are arranged on one of the adjusting cover and the second filter rod, and the positioning grooves are arranged on the other one of the adjusting cover and the second filter rod, and the positioning grooves comprise a first groove body and two second groove bodies from top to bottom.

[0018] In some embodiments, two positioning blocks are arranged on the outer wall of the adjusting cover, and the two positioning blocks are symmetrically distributed about the central axis of the adjusting cover, and the positioning grooves are arranged on the inner wall of the positioning groove corresponding to the positioning blocks, and one positioning block corresponds to one positioning groove.

[0019] In some embodiments, the adjusting cover and the second filter rod are connected in a way that can be adjusted up and down, and the connecting structure comprises matched positioning blocks and positioning grooves, the positioning blocks are arranged on one of the adjusting cover and the second filter rod, and the positioning grooves are arranged on the other one of the adjusting cover and the second filter rod, and the positioning grooves comprise a first groove body and two second groove bodies from top to bottom.

[0020] In some embodiments, the adjusting cover and the second filter rod are connected in a way that can be adjusted up and down, and the connecting structure comprises matched positioning blocks and positioning grooves, the positioning blocks are arranged on one of the adjusting cover and the second filter rod, and the positioning grooves are arranged on the other one of the adjusting cover and the second filter rod, and the positioning grooves comprise a first groove body and two second groove bodies from top to bottom.

[0021] The adjusting cover and the cigarette of the utility model have the advantages that: the position of the adjusting cover and the sealing ring connected at the bottom of the adjusting cover can be changed by the adjusting cover, so that the resistance during the transmission of smoke and the filtering effect of harmful substances can be adjusted, and the adjusting process is simple, which helps to meet the individual needs of consumers. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the pull-and-switch cigarette filter of some embodiments of the utility model;

[0023] Figure 2 It is a top view of the pull-and-switch cigarette filter of some embodiments of the utility model;

[0024] Figure 3 It is Figure 2 It is a structure schematic view of the A-A section of some embodiments of the utility model;

[0025] Figure 4The top view of the filter core in some embodiments of the utility model;

[0026] Figure 5 The structural schematic view of the filter core in some embodiments of the utility model;

[0027] Figure 6 The bottom view of the adjusting cover in some embodiments of the utility model;

[0028] Figure 7 For Figure 6 The structural schematic view of the B-B section. Specific implementation

[0029] Combining Figures 1 to 7 The contents shown in the embodiment, a kind of pull switch type cigarette filter includes adjusting cover 1, second filter stick 2, sealing ring 3 and filter core 4, filter core 4 includes filter core main body 401, the setting groove with opening upwards is set on filter core main body 401, the lower part of adjusting cover 1 is inserted into setting groove to form the connecting structure that can be adjusted up and down with filter core 4, adjusting cover 1 middle is equipped with the through hole 103 that is vertically through adjusting cover 1, second filter stick 2 is filled in the lower part of through hole 103, adjusting cover 1 bottom is set sealing ring around through hole 103, the bottom of setting groove is opened with several micropores corresponding sealing ring 3 and through hole 103. By changing the height of sealing ring 3 control sealing ring 3 to the sealing / opening degree of corresponding micropore, to reach the purpose of adjusting suction resistance. In addition, the principle of micro-hole jet can be applied to filter smoke through pull switch type cigarette filter by the setting of micropore;Second filter stick 2 can adsorb tar, nicotine and other harmful substances contained in smoke when smoke passes through second filter stick 2, which has further filtering effect on smoke. The adjusting cover 1 and sealing ring 3 in this can adopt split design, adjusting cover 1 bottom is set fixed groove 105 around through hole 103, sealing ring 3 is clamped on fixed groove 105, and sealing ring 3 moves up and down with fixed groove 105, the lower part of sealing ring 3 projects fixed groove 105, so that sealing ring 3 acts on corresponding micropore.

[0030] Adjusting cover 1, second filter stick 2, sealing ring 3 and filter core 4 can be coaxially arranged.

[0031] Sealing ring 3 can adopt food-grade silicone and other materials.

[0032] Adjusting cover 1 and filter core 4 can adopt one-piece injection molding, adjusting cover 1 and filter core 4 can be transparent or translucent, so that subsequent observation of the filtering process and effect in pull switch type cigarette filter can be observed. The material of adjusting cover 1 and filter core 4 can be food-grade plastic, such as polystyrene, polypropylene, polyethylene, etc., adjusting cover 1 and filter core 4 can be transparent, translucent or opaque.

[0033] The adjusting cover 1 comprises a cover body 101, an annular flange is arranged on the upper outer side of the cover body 101, a plurality of protrusions 102 are arranged on the outer wall of the flange, the roughness of the outer wall of the flange can be enhanced through the arrangement of the protrusions 102, and the plurality of protrusions 102 can be uniformly distributed along the outer wall of the flange. A through hole 103 can be arranged at the middle position of the cover body 101, and the through hole 103 can be divided into upper and lower two sections, that is, an upper section and a lower section, the upper section, the lower section and the accommodation groove are all in a cylindrical shape, the sealing ring 3 and the fixing groove 105 are both in a circular ring shape, the accommodation groove, the upper section, the lower section and the fixing groove 105 are coaxially arranged, the inner diameter of the upper section is smaller than the inner diameter of the lower section, so as to facilitate the stability of the second filter rod 2 filled in the lower section and avoid excessive movement of the second filter rod 2 upward (that is, in the direction of the upper section) under the action of suction. The top of the second filter rod 2 is connected with the upper edge of the lower section, and the depth H1 of the lower section is greater than the height H2 of the second filter rod 2, so as to form a cavity 5 when the bottom of the adjusting cover 1 is connected with the groove wall of the accommodation groove, the micropores arranged corresponding to the through hole 103 are communicated with the cavity 5, and the arrangement of the cavity 5 is beneficial to the uniform entry of smoke into the second filter rod 2.

[0034] The micropores arranged corresponding to the sealing ring 3 are third micropores 453 (the number of the third micropores 453 can be 9), and a plurality of third micropores 453 can be uniformly arranged on the accommodation groove in a ring shape. The micropores arranged corresponding to the through hole 103 include one first micropore 451 arranged at the center position and a plurality of second micropores 452 (the number of the second micropores 452 can be 5) arranged in a ring shape with the first micropore 451 as the center, and the first micropore 451 is coaxially arranged with the through hole 103.

[0035] The diameter of the above-mentioned micropore is less than or equal to 0.6mm.

[0036] Auxiliary grooves 404 are arranged on the groove wall of the bottom of the accommodation groove corresponding to the fixing groove 105 and the sealing ring 3, and the upper openings of the third micropores 453 are all arranged on the groove wall of the auxiliary grooves 404;

[0037] A groove 406 is arranged on the bottom of the filter core body 401 corresponding to the micropore, so as to guide the smoke into the micropore, and the wall attachment effect can also be applied to filter the smoke.

[0038] The height difference H between the groove wall bottom on one side of the fixing groove 105 close to the through hole 103 and the groove wall bottom on the side away from the through hole 103 is greater than 0, and preferably the height of the groove wall bottom on one side of the fixing groove 105 close to the through hole 103 is smaller than the height of the groove wall bottom on the side away from the through hole 103.

[0039] The up-and-down adjustable connection structure formed by the adjusting cover 1 and the second filter rod 2 can be composed of a positioning block and a positioning groove. The positioning block is arranged on one of the adjusting cover 1 and the second filter rod 2, and the positioning groove is arranged on the other one of the adjusting cover 1 and the second filter rod 2. The positioning groove includes a first groove body and two second groove bodies from top to bottom. For example, two positioning blocks 104 are arranged on the outer wall of the lower part of the cover body 101, and the two positioning blocks 104 are symmetrically distributed about the central axis of the adjusting cover 1. A positioning groove is arranged on the inner wall of the positioning groove, corresponding to the positioning blocks 104. The positioning groove includes a first groove body 402 and two second groove bodies 403 from top to bottom, and one positioning block 104 corresponds to one positioning groove. Figures 3 to 7 As shown in the lower part of FIG. 4, when the adjusting cover is inserted into the second filter rod, the positioning block 104 first falls along the first groove body 402. At this time, the first groove body 402 plays a role of positioning and guiding the sliding direction of the positioning block 104. By using the elasticity of plastic and pressing the adjusting cover, the positioning block 104 will pass through the protrusion between the first groove body 402 and the upper second groove body 403 of the two second groove bodies 403 and enter the second groove body 403 (at this time, the sealing ring 3 has a gap with the groove wall of the auxiliary groove 404). Again, by pressing the adjusting cover, the positioning block 104 will pass through the protrusion between the two second groove bodies 403 and enter the other second groove body 403 (at this time, the sealing ring 3 is tightly pressed against the groove wall of the auxiliary groove 404, which plays a role of covering and closing the third micro-hole 453. At this time, compared with the previous state, the resistance is increased, but it also has a further filtering effect). Therefore, according to the current state of the pull-switching cigarette filter, the position relationship between the sealing ring 3 and the third micro-hole 453 can be adjusted by pulling / pressing, so as to open or close the third micro-hole 453, and then adjust the resistance, so as to better adapt to the individual needs of consumers.

[0040] A cigarette includes a tobacco segment and the pull-switching cigarette filter described above. The lower end of the pull-switching cigarette filter is connected to the tobacco segment.

[0041] In some specific embodiments, a first filter rod can be additionally arranged between the tobacco segment and the pull-switching cigarette filter. The upper part of the tobacco segment, the first filter rod, and the outer part of the pull-switching cigarette filter are wrapped with tipping paper. The tipping paper can be transparent paper, translucent paper, or opaque paper. The tipping paper can be transparent paper or translucent paper. When the adjusting cover 1 and the filter core 4 are transparent or translucent, a visual port can be formed to observe the filtering process and result of the pull-switching cigarette filter, and to play a warning role. The additional first filter rod can also play a role of adsorbing and filtering smoke during the practical use of the cigarette. The specific connection form of the upper part of the tobacco segment, the second filter rod 2, and the pull-switching cigarette filter can be directly realized by using the existing technology, and therefore is not described here.

[0042] The above-mentioned pull switch cigarette filter can be combined with tobacco segments to form a whole cigarette, or can be directly sleeved in a shell to form a separately arranged smoking filter with adjustable suction resistance.

[0043] The adjusting cover 1 and the sealing ring 3 can also be integrally designed by means of integral injection molding, and the adjusting cover and the sealing ring are made of elastic plastic, such as polyethylene. Through the design, the sealing effect is guaranteed, the design is simplified, the tooling link is reduced, and the cost is saved.

[0044] The pore size and the number of the above-mentioned micropores can be flexibly adjusted according to the model and parameters of the cigarette and other factors.

[0045] The above-mentioned undisclosed matters can be directly realized by using the existing technology, and therefore, will not be described here.

[0046] The above-mentioned is only the preferred mode of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the creative concept of the present application, a number of similar modifications and improvements can be made, which should also be considered as the protection range of the present application.

Claims

1. A pull-out switchable cigarette filter, characterized in that, The device includes an adjusting cap, a second filter rod, a sealing ring, and a filter element. The filter element has an upward-opening mounting groove. The lower part of the adjusting cap is inserted into the mounting groove and forms an adjustable connection structure with the filter element. The adjusting cap has a vertical through hole in the middle. The second filter rod fills the lower part of the through hole. The bottom of the adjusting cap is surrounded by a sealing ring. The bottom of the mounting groove has several micro-holes corresponding to the sealing ring and the through hole.

2. The pull-out switchable cigarette filter according to claim 1, characterized in that, The adjusting cover, the second filter rod, the sealing ring, and the filter element are arranged coaxially. The adjustment cover and the filter element are integrally injection molded; The adjusting cover and the sealing ring can be designed as an integral or separate unit. The upper outer side of the adjustment cover is provided with an annular convex ring, and the outer wall of the convex ring is provided with several protrusions.

3. The pull-out switchable cigarette filter according to claim 2, characterized in that, The through hole is divided into upper and lower sections, namely the upper part and the lower part. The cross-sectional area of ​​the lower part is larger than the horizontal interface area of ​​the upper part, and the depth of the lower part is greater than the height of the second filter rod, so as to form a cavity when the bottom of the adjusting cover is connected to the wall of the mounting groove. The micropores corresponding to the through hole are connected to the cavity.

4. The pull-out switchable cigarette filter according to claim 3, characterized in that, The adjusting cover and the sealing ring are designed separately. The bottom of the adjusting cover is provided with a fixing groove around the through hole. The sealing ring is clamped on the fixing groove, and the lower part of the sealing ring protrudes from the fixing groove. The upper part, the lower part and the mounting groove are all cylindrical. The sealing ring and the fixing groove are all annular. The mounting groove, the upper part, the lower part and the fixing groove are coaxially arranged. The inner diameter of the upper part is smaller than the inner diameter of the lower part. The microholes provided corresponding to the sealing ring are third microholes. Several third microholes are evenly distributed circumferentially on the mounting groove. The several microholes provided corresponding to the through hole include a first microhole located at the center and several second microholes evenly distributed circumferentially around the first microhole. The first microhole is coaxially arranged with the through hole.

5. The pull-out switchable cigarette filter according to claim 4, characterized in that, The bottom wall of the placement groove is provided with an auxiliary groove corresponding to the fixing groove and the sealing ring. The upper openings of the several micro-holes corresponding to the sealing ring are all located on the wall of the auxiliary groove. The bottom of the filter element has a groove corresponding to the micropores; The bottom of the groove wall on the side closer to the through hole is at a lower height than the bottom of the groove wall on the side farther from the through hole.

6. The pull-out switchable cigarette filter according to claim 2, characterized in that, The adjusting cover and the sealing ring are designed as a single unit, and both the adjusting cover and the sealing ring are made of elastic plastic.

7. The pull-out switchable cigarette filter according to claim 1, characterized in that, The adjustable connection structure formed by the adjusting cover and the second filter rod includes a matching positioning block and a positioning groove. The positioning block is disposed on one of the adjusting cover and the second filter rod, and the positioning groove is disposed on the other of the adjusting cover and the second filter rod. The positioning groove includes a first groove and two second grooves from top to bottom.

8. The pull-out switchable cigarette filter according to claim 7, characterized in that, The outer wall of the adjusting cover is provided with two positioning blocks, which are symmetrically distributed about the central axis of the adjusting cover. The inner wall of the placement groove is provided with positioning grooves corresponding to the positioning blocks, with one positioning block corresponding to one positioning groove.

9. A cigarette comprising tobacco segments, characterized in that, The present invention comprises a pull-out switchable cigarette filter according to any one of claims 1 to 8, wherein the lower end of the pull-out switchable cigarette filter is connected to a tobacco section.

10. The cigarette according to claim 9, characterized in that, A first filter rod is provided between the tobacco section and the pull-out switchable cigarette filter. The upper part of the tobacco section, the second filter rod, and the outside of the pull-out switchable cigarette filter are all covered with at least a tipping paper, which is transparent or semi-transparent.

Images