CN220936767U - Double-layer filter stick for cigarette and cigarette - Google Patents
Double-layer filter stick for cigarette and cigarette Download PDFInfo
- Publication number
- CN220936767U CN220936767U CN202322632741.9U CN202322632741U CN220936767U CN 220936767 U CN220936767 U CN 220936767U CN 202322632741 U CN202322632741 U CN 202322632741U CN 220936767 U CN220936767 U CN 220936767U
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- China
- Prior art keywords
- body section
- rod body
- grooves
- cigarette
- layer filter
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 46
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 230000000391 smoking effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 5
- 239000002355 dual-layer Substances 0.000 claims 3
- 239000000779 smoke Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model discloses a double-layer filter stick for cigarettes, which comprises: the outer rod body section comprises a first through hole which is positioned in the middle part of the outer rod body section and extends along the axial direction of the outer rod body section, and a plurality of first grooves which are distributed on the outer peripheral surface of the outer rod body section at intervals and extend along the axial direction of the outer rod body section; the inner rod body section is coaxially arranged in the first through hole and comprises a second through hole which is positioned in the middle of the inner rod body section and extends along the axial direction of the inner rod body section and a plurality of second grooves which are distributed on the outer peripheral surface of the inner rod body section at intervals and extend along the axial direction of the inner rod body section; and the molding paper wraps the outer rod body section from the outer side of the outer rod body section.
Description
Technical Field
The utility model relates to the field of tobacco products, in particular to a double-layer filter stick for cigarettes and cigarettes.
Background
Tar harmful to human body exists in cigarette smoke, and the filter tip is connected on the cigarette, so that tar and other harmful components can be effectively reduced. The filter stick is a stick body which is made of filter materials and has filter performance and a certain length, is directly connected to the suction end of a cigarette after being cut or is connected to the suction end of the cigarette after being compounded with other filter section structures, and is a filter tip. Specifically, the filtering of particulate matters by the filter rod belongs to mechanical filtering, and the mechanisms of smoke particulate filtering are mainly direct interception, inertial collision and diffusion deposition. The filter tip cigarette has the advantages of avoiding uncomfortable feeling caused by sticking the tobacco powder on lips, reducing harmful substances in smoke, and providing smoke with proper temperature and taste for consumers, so that the filter tip cigarette is quickly accepted by the consumers.
Disclosure of Invention
The utility model aims to provide a double-layer filter stick for cigarettes and a cigarette formed by the double-layer filter stick for cigarettes, wherein the double-layer filter stick for cigarettes can improve the taste of smoke after forming a filter tip.
The utility model discloses a double-layer filter stick for cigarettes, which comprises:
The outer rod body section comprises a first through hole which is positioned in the middle part of the outer rod body section and extends along the axial direction of the outer rod body section, and a plurality of first grooves which are distributed on the outer peripheral surface of the outer rod body section at intervals and extend along the axial direction of the outer rod body section;
The inner rod body section is coaxially arranged in the first through hole and comprises a second through hole which is positioned in the middle of the inner rod body section and extends along the axial direction of the inner rod body section and a plurality of second grooves which are distributed on the outer peripheral surface of the inner rod body section at intervals and extend along the axial direction of the inner rod body section;
and the molding paper wraps the outer rod body section from the outer side of the outer rod body section.
In some embodiments, the first grooves are circular arc grooves, and each first groove is uniformly distributed on the outer peripheral surface of the outer rod body section.
In some embodiments, the second grooves are circular arc grooves, each of the second grooves being uniformly distributed on the outer circumferential surface of the inner rod segment.
In some embodiments, the number of first grooves is 4 to 8, and/or the number of second grooves is 4 to 8.
In some embodiments, the outer contour shape of the portion of the outer rod segment connecting adjacent first grooves is an arc of a circle having the same radius.
In some embodiments, the second grooves are the same number as the first grooves and are equally angularly distributed in the circumferential direction.
In some embodiments, the outer and inner rod segments are similar in shape.
In a second aspect, the utility model discloses a cigarette comprising a filter comprising a smoking section of any of the cigarettes cut from a double-layered filter rod.
In some embodiments, the filter is provided at an end of the cigarette, and the end face of the cigarette has the same shape as the cross sections of the outer rod segment and the inner rod segment.
According to the double-layer filter stick for cigarettes, the outer stick body with the first grooves and the inner stick body with the second grooves and the second through holes are arranged in the first through holes of the outer stick body, when the filter tip passes through smoke, the smoke can flow to consumers under the flow guiding effect of the first grooves, the second grooves, the first through holes and the second through holes, the flow channels of the smoke are distributed uniformly, the smoke can flow to the consumers uniformly, the smoke sucking taste is good, meanwhile, the smoke can be contacted with more flow channel surfaces when flowing, the cooling effect of the smoke can be further improved, and the sucking safety and taste of the smoke are improved.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic structural view of a double-layer filter stick for cigarettes according to an embodiment of the utility model;
fig. 2 is a schematic cross-sectional view of the double-layer filter rod for cigarettes shown in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the corresponding components, and the terms are not meant to have any special meaning unless otherwise indicated, so that the scope of the present utility model is not to be construed as being limited.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, the double-layer filter rod for cigarettes of the embodiment comprises an outer rod body section 1, an inner rod body section 2 and a forming paper 3.
The outer rod segment 1 includes a first through hole 12 located at the middle portion thereof and extending in the axial direction thereof, and a plurality of first grooves 11 spaced apart on the outer peripheral surface thereof and extending in the axial direction thereof. The middle of the outer rod 1 refers to the middle of its cross-section direction, and in the embodiment shown in the figures the first through hole 12 is a cylindrical through hole coaxial with the axis of the outer rod segment 1. The first groove 11 extends in the axial direction of the outer rod segment 1.
The inner rod body section 2 and the outer rod body section 1 are coaxially arranged in the first through hole 12, and comprise a second through hole 22 which is positioned in the middle of the inner rod body section 2 and extends along the axial direction of the inner rod body section, and a plurality of second grooves 21 which are distributed on the outer peripheral surface of the inner rod body section at intervals and extend along the axial direction of the inner rod body section. Similarly, the middle of the inner rod segment 2 refers to the middle of its cross-sectional direction, and in the embodiment shown in the figures, the second through hole 22 is a cylindrical through hole coaxial with the axis of the inner rod segment 2. The second groove 21 extends in the axial direction of the inner rod segment 2. The outer rod body segment and the inner rod body segment can be formed by adopting cellulose diacetate tows and curing and shaping after adding glyceryl triacetate.
The outer rod body section 1 is wrapped by the forming paper 3 from the outer side of the outer rod body section 1, the forming paper is also called filter tip rod paper, and the double-layer filter rod for cigarettes is formed after the outer rod body section is wrapped by the forming paper. The double-layer filter stick for cigarettes in the embodiment forms a plurality of suction sections after being cut, and the suction sections are directly formed or are in compound connection with other filter structures to form the filter tip of the cigarette for consumers to use.
The double-layer filter rod for cigarettes of the embodiment is characterized in that an outer rod body with a plurality of first grooves 11 and an inner rod body with a plurality of second grooves 21 and second through holes 22 arranged in a first through hole 12 of the outer rod body are arranged, when the filter tip passes through smoke, the smoke can flow to consumers under the flow guiding effect of the first grooves 11, the second grooves 21, the first through holes 12 and the second through holes 22, the flow channels of the smoke are distributed uniformly, the smoke can flow to the consumers uniformly, the smoke sucking taste is good, meanwhile, the smoke can be contacted with more flow channel surfaces when flowing, the cooling effect of the smoke can be further improved, and the smoking safety and taste of the smoke are improved.
In some embodiments, the first grooves 11 are circular arc grooves, each first groove 11 being evenly distributed over the outer circumference of the outer rod segment 1. When the first groove 11 is a circular arc-shaped groove, the flow of the smoke in the groove is more uniform, the flow resistance of the smoke is reduced, and the sucking taste of consumers is improved. In some embodiments not shown in the drawings, the shape of the first groove 11 may also be triangular or rectangular.
In some embodiments, the second grooves 21 are circular arc grooves, each second groove 21 being evenly distributed over the outer circumference of the inner rod segment 2. In some embodiments not shown in the drawings, the shape of the second recess 21 may also be triangular or rectangular.
In some embodiments, the number of first grooves 11 is 4 to 8, and/or the number of second grooves 21 is 4 to 8. The number range of the first grooves and the second grooves is reasonable, the smoke can be uniformly distributed in the range, and meanwhile, the filter stick can be conveniently produced.
In some embodiments, as shown in fig. 1 and 2, the outer contour shape of the portion of the outer barrel section 1 connecting adjacent first grooves 11 is an arc of a circle having the same radius. The two adjacent first grooves 11 are connected by a protruding part protruding outwards in radial direction, and the protruding part is arc-shaped in the embodiment, so that the protruding part is convenient to be attached to the forming paper when the filter stick is rolled, and the formed filter stick structure is stable and reliable.
In some embodiments, as shown, the second grooves 21 are the same number as the first grooves 11 and are equally angularly distributed in the circumferential direction. The smoke flow distribution of the embodiment is more uniform and reasonable, and the smoke taste is good.
In some embodiments, the outer and inner rod segments 1, 2 are similar in shape. Namely, the outer rod body section 1 and the inner rod body section 2 of the embodiment have the same shape, and the structure of the inner rod body section 2 is formed by reducing the outer rod body section 1 in equal proportion. The embodiment is convenient for manufacturing the inner rod body section 1 and the outer rod body section 2, has strong visual impact,
In some embodiments, a cigarette is also disclosed that includes a filter comprising a smoking segment of any of the cigarettes described above cut from a double-layered filter rod.
In some embodiments, the filter is provided at the end of a cigarette having the same end face shape as the cross-sections of the outer rod segment 1 and the inner rod segment 2. That is, the filter tip of the cigarette of the embodiment can be directly seen by consumers from the end to form the end faces of the outer rod body section and the inner rod body section, the smoke diversion effect is good, and the visual impact is strong.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (9)
1. A double-layer filter rod for cigarettes, which is characterized by comprising:
The outer rod body section comprises a first through hole which is positioned in the middle part of the outer rod body section and extends along the axial direction of the outer rod body section, and a plurality of first grooves which are distributed on the outer peripheral surface of the outer rod body section at intervals and extend along the axial direction of the outer rod body section;
The inner rod body section is coaxially arranged in the first through hole and comprises a second through hole which is positioned in the middle of the inner rod body section and extends along the axial direction of the inner rod body section and a plurality of second grooves which are distributed on the outer peripheral surface of the inner rod body section at intervals and extend along the axial direction of the inner rod body section;
and the molding paper wraps the outer rod body section from the outer side of the outer rod body section.
2. The dual layer filter rod for cigarettes of claim 1, wherein the first grooves are circular arc grooves, and each of the first grooves is uniformly distributed on the outer peripheral surface of the outer rod body section.
3. The dual layer filter rod for cigarettes of claim 2, wherein the second grooves are circular arc grooves, and each of the second grooves is uniformly distributed on the outer peripheral surface of the inner rod body section.
4. The double-layer filter rod for cigarettes according to claim 1, wherein the number of the first grooves is 4-8, and/or the number of the second grooves is 4-8.
5. The dual layer filter rod for cigarettes of claim 1, wherein the outer contour shape of the portion of the outer rod segment connecting adjacent first grooves is an arc of a circle having the same radius.
6. The double-layer filter rod for cigarettes according to claim 1, wherein the second grooves and the first grooves are the same in number and are distributed at the same angle in the circumferential direction.
7. A double layer filter rod for cigarettes according to any one of claims 1 to 6, wherein the outer rod section and the inner rod section are similar in shape.
8. A cigarette comprising a filter, wherein the filter comprises a smoking segment formed by cutting a cigarette according to any one of claims 1 to 7 with a double layer filter rod.
9. A cigarette according to claim 8, wherein the filter is provided at an end of the cigarette, and wherein the end face of the cigarette is shaped to be the same as the cross-sections of the outer rod section and the inner rod section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322632741.9U CN220936767U (en) | 2023-09-27 | 2023-09-27 | Double-layer filter stick for cigarette and cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322632741.9U CN220936767U (en) | 2023-09-27 | 2023-09-27 | Double-layer filter stick for cigarette and cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220936767U true CN220936767U (en) | 2024-05-14 |
Family
ID=90973363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322632741.9U Active CN220936767U (en) | 2023-09-27 | 2023-09-27 | Double-layer filter stick for cigarette and cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220936767U (en) |
-
2023
- 2023-09-27 CN CN202322632741.9U patent/CN220936767U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |