CN218008154U - Hollow filter stick in external spiral groove - Google Patents
Hollow filter stick in external spiral groove Download PDFInfo
- Publication number
- CN218008154U CN218008154U CN202222076713.9U CN202222076713U CN218008154U CN 218008154 U CN218008154 U CN 218008154U CN 202222076713 U CN202222076713 U CN 202222076713U CN 218008154 U CN218008154 U CN 218008154U
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- China
- Prior art keywords
- spiral
- filter
- filter element
- filter core
- axle center
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model provides an outer spiral ditch inslot cavity filter rod, includes filter core (1) and parcel layer (2) outside it, filter core (1) is equipped with an axle center hole (3) and a plurality of spiral slot (4), and axle center hole (3) are established in the axle center position of filter core (1) and are run through the both ends of filter core (1), and spiral slot (4) are the heliciform and encircle the surface at filter core (1), and parcel layer (2) parcel constitutes a plurality of spiral channels at filter rod both ends open-ended with spiral slot (4) jointly outside filter core (1). Has the advantages of good filtering effect, better smoking taste and obvious smoke cooling effect. When the smoke passes through the external spiral structure, the flowing path is longer than an axial groove, the flow speed is reduced, the smoke diffusion and deposition effect is enhanced, a certain vortex effect is achieved, the smoke is more concentrated and uniform after entering the oral cavity, and the suction effect is obviously improved.
Description
Technical Field
The utility model relates to a filter rod, concretely relates to outer spiral ditch inslot cavity filter rod.
Background
Hollow filter rods in outer grooves have been used in the field of cigarette filter rods in recent years because of their novel and unique construction. However, the suction effect of the hollow filter stick in the existing outer groove is not as smooth as that of the traditional cigarette, when smoke passes through the hollow filter stick in the outer groove, the smoke is divided into two parts which respectively flow through the outer groove channel and the inner core, and when the smoke enters the oral cavity, the smoke is dispersed, and the smoke does not uniformly and concentratedly enter the oral cavity like the traditional filter stick. Therefore, the suction effect of the hollow filter rod in the outer groove is not ideal.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: provides a hollow filter stick with good filtering effect and better suction taste in the external spiral groove.
The technical solution of the utility model is that: the hollow filter stick comprises a filter element and a wrapping layer wrapped outside the filter element, wherein the filter element is provided with an axle center hole and a plurality of spiral grooves, the axle center hole is formed in the axle center of the filter element and penetrates through the two ends of the filter element, the spiral grooves spirally surround the outer surface of the filter element, and the wrapping layer wraps the filter element and the spiral grooves to form a plurality of spiral channels with openings at the two ends of the filter stick.
The technical effects of the utility model are that: has the advantages of good filtering effect, better smoking taste and obvious smoke cooling effect. When the flue gas passes through the external spiral structure, the circulating path is longer than an axial groove, the flow speed is reduced, the flue gas diffusion and deposition effect is enhanced, a certain vortex effect is achieved, the flue gas is more concentrated and uniform after entering the oral cavity, and the suction effect is obviously improved. The filter stick is used in the field of heating and non-combustion, and can play a role in better reducing the temperature of smoke. The filter stick has a certain anti-counterfeiting function, and a consumer can obviously see the spiral structure of the filter stick after cutting the filter stick open.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention;
fig. 2 is a schematic structural diagram of the filter element of the present invention.
Detailed Description
As shown in fig. 1 and 2, the hollow filter stick with the external spiral grooves comprises a filter element 1 and a wrapping layer 2 wrapped outside the filter element 1, wherein the filter element 1 is provided with an axis hole 3 and a plurality of spiral grooves 4, the axis hole 3 is arranged at the axis position of the filter element 1 and penetrates through two ends of the filter element 1, the spiral grooves 4 spirally surround the outer surface of the filter element 1, and the wrapping layer 2 is wrapped outside the filter element 1 and forms a plurality of spiral channels with openings at two ends of the filter stick together with the spiral grooves 4.
The spiral grooves 4 are uniformly distributed on the surface of the filter element 1.
The filter element 1 is made of cellulose diacetate tow.
The number of the spiral grooves 4 is 4-8.
The depth of the spiral groove 4 is 0.5-1.1 mm.
The shape of the axle center hole 3 is round, triangular, square or star-shaped.
The wrapping layer 2 is formed paper.
The external spiral internal hollow filter stick is shaped in a mould through high-temperature steam, and the shape of the hollow part can be any shape. The shaped outer spiral inner hollow filter stick is pre-spiraled through two rotating modules, and finally the rotating angle is fixed through the rotating modules before entering the splitting cutter. The filter stick can be used in combination with filter sticks such as acetate fiber filter stick and feeding filter stick to make composite stick.
Claims (7)
1. The hollow filter stick with the external spiral grooves comprises a filter element (1) and a wrapping layer (2) wrapped outside the filter element, and is characterized in that the filter element (1) is provided with an axle center hole (3) and a plurality of spiral grooves (4), the axle center hole (3) is arranged at the axle center position of the filter element (1) and penetrates through two ends of the filter element (1), the spiral grooves (4) are spirally and circularly wound on the outer surface of the filter element (1), and the wrapping layer (2) is wrapped outside the filter element (1) and jointly forms a plurality of spiral channels with the spiral grooves (4) and the spiral channels are open at two ends of the filter stick.
2. A hollow filter rod in an outer spiral groove according to claim 1, wherein the spiral grooves (4) are uniformly distributed on the surface of the filter element (1).
3. A hollow filter rod according to claim 1 in an outer spiral groove, wherein the filter element (1) is made of cellulose diacetate tow.
4. A hollow filter rod in an outer spiral groove according to claim 1, wherein the number of the spiral grooves (4) is 4-8.
5. A hollow filter rod in an external spiral groove according to claim 1, wherein the depth of the spiral groove (4) is 0.5-1.1 mm.
6. A hollow filter rod in an outer spiral groove according to claim 1, wherein the shape of the axial hole (3) is circular, triangular, square or star-shaped.
7. A hollow filter rod according to any one of claims 1 to 6 wherein the wrapper (2) is a formed paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222076713.9U CN218008154U (en) | 2022-08-09 | 2022-08-09 | Hollow filter stick in external spiral groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222076713.9U CN218008154U (en) | 2022-08-09 | 2022-08-09 | Hollow filter stick in external spiral groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218008154U true CN218008154U (en) | 2022-12-13 |
Family
ID=84346056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222076713.9U Active CN218008154U (en) | 2022-08-09 | 2022-08-09 | Hollow filter stick in external spiral groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218008154U (en) |
-
2022
- 2022-08-09 CN CN202222076713.9U patent/CN218008154U/en active Active
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