Cooling assembly and heat-not-burn cartridge

Abstract

A cooling assembly and a heat-not-burn cartridge are provided. The cooling assembly includes a cooling member, a first closing member, and a second closing member. The cooling member has a first end and a second end opposite to the first end, and defines a cooling passage penetrating through the first end and the second end. The first closing member is fixed to the first end. The first closing member defines at least one first through-hole. The at least one first through-hole is in communication with the cooling passage. The second closing member is fixed to the second end. The second closing member defines at least one second through-hole. The at least one second through-hole is in communication with the cooling passage.

What is claimed is: 
     
         1 . A cooling assembly, comprising:
 a cooling member having a first end and a second end opposite to the first end, and defining a cooling passage penetrating through the first end and the second end;   a first closing member fixed to the first end, wherein the first closing member defines at least one first through-hole, and the at least one first through-hole is in communication with the cooling passage; and   a second closing member fixed to the second end, wherein the second closing member defines at least one second through-hole, and the at least one second through-hole is in communication with the cooling passage.   
     
     
         2 . The cooling assembly of  claim 1 , wherein the at least one first through-hole is implemented as six to thirteen first through-holes, each of the six to thirteen first through-holes has a diameter ranging from 0.6 mm to 1.0 mm, and a distance between any two adjacent first through-holes of the six to thirteen first through-holes ranges from 0.8 to 1.0 mm; and/or
 the at least one second through-hole is implemented as six to thirteen second through-holes, each of the six to thirteen second through-holes has a diameter ranging from 0.6 mm to 1.0 mm, and a distance between any two adjacent second through-holes of the six to thirteen second through-holes ranges from 0.8 mm to 1.0 mm.   
     
     
         3 . The cooling assembly of  claim 1 , wherein a distance between a first through-hole located at an outermost peripheral side of the at least one first through-hole and an outer peripheral edge of the first closing member ranges from 0.7 mm to 0.8 mm; and/or
 a distance between a second through-hole located at an outermost peripheral side of the at least one second through-hole and an outer peripheral edge of the second closing member ranges from 0.7 mm to 0.8 mm.   
     
     
         4 . The cooling assembly of  claim 1 , wherein the cooling member comprises a plurality of convolute-wound cooling layers; or the cooling member comprises a plurality of spiral-wound cooling layers. 
     
     
         5 . The cooling assembly of  claim 4 , wherein the cooling member is tubular, and the cooling member has an outer diameter ranging from 6.0 mm to 6.6 mm or the cooling member has inner diameter ranging from 6.2 mm to 6.4 mm. 
     
     
         6 . The cooling assembly of  claim 1 , satisfying at least one of:
 a material of the cooling member comprising at least one of white cardboard paper of 50 g/m 2 -200 g/m 2 , kraft paper of 50 g/m 2 -200 g/m 2 , polylactic acid (PLA), silicone, or an injection-molded part;   a material of the first closing member comprising silk tissue paper of 1 g/m 2 -50 g/m 2 , air-permeable paper of 1 g/m 2 -50 g/m 2 , or butter paper of 45 g/m 2 -105 g/m 2 ; or   a material of the second closing member comprising silk tissue paper of 1 g/m 2 -50 g/m 2 , air-permeable paper of 1 g/m 2 -50 g/m 2 , or butter paper of 45 g/m 2 -105 g/m 2 .   
     
     
         7 . A heat-not-burn cartridge, comprising:
 a first tube defining an accommodating space;   a smoke generating member disposed in the accommodating space and located at one end of the first tube;   a cooling assembly comprising:
 a cooling member having a first end and a second end opposite to the first end, and defining a cooling passage penetrating through the first end and the second end; 
 a first closing member fixed to the first end, wherein the first closing member defines at least one first through-hole, and the at least one first through-hole is in communication with the cooling passage; and 
 a second closing member fixed to the second end, wherein the second closing member defines at least one second through-hole, and the at least one second through-hole is in communication with the cooling passage, wherein the cooling member is disposed in the accommodating space, and the cooling assembly is disposed at one side of the smoke generating member; and 
   a filter member disposed in the accommodating space and disposed at one side of the cooling member away from the smoke generating member.   
     
     
         8 . The heat-not-burn cartridge of  claim 7 , wherein the smoke generating member comprises a plurality of smoke generating particles, a plurality of smoke generating sheets, or a plurality of smoke generating particles and a plurality of smoke generating sheets, the smoke generating member has a length ranging from 13 mm to 18 mm, the cooling assembly has a length ranging from 16 mm to 23 mm, and the filter member has a length ranging from 8 mm to 10 mm. 
     
     
         9 . The heat-not-burn cartridge of  claim 7 , further comprising a second tube sleeved on a peripheral side surface of the first tube. 
     
     
         10 . The heat-not-burn cartridge of  claim 7 , satisfying at least one of:
 a material of the first tube comprising white cardboard paper of 50 g/m 2 -200 g/m 2  or kraft paper of 50 g/m 2 -200 g/m 2 ;   the first tube having a length ranging from 42 mm to 46 mm, and when the heat-not-burn cartridge further comprises a second tube, the second tube having a length ranging from 42 mm to 46 mm;   the cooling member having an outer diameter ranging from 6.0 mm to 6.6 mm, the first tube having an inner diameter ranging from 6.4 mm to 6.65 mm, the first tube having an outer diameter ranging from 6.9 mm to 7.1 mm, the filter member having an outer diameter ranging from 6.5 mm to 7.0 mm, and the filter member being disposed in a compressed state in the first tube; or   when the heat-not-burn cartridge further comprises the second tube, the outer diameter of the cooling member ranging from 6.0 mm to 6.6 mm, the inner diameter of the first tube ranging from 6.4 mm to 6.65 mm, the outer diameter of the first tube ranging from 6.9 mm to 7.1 mm, the outer diameter of the filter member ranging from 6.5 mm to 7.0 mm, the filter member being disposed in the compressed state in the first tube, and the second tube having an outer diameter ranging from 7.15 mm to 7.3 mm.   
     
     
         11 . A heat-not-burn cartridge, comprising:
 a first tube defining an accommodating space, and having a first end that is closed and a second end that is open;   a smoke generating member disposed in the accommodating space and located at the first end of the first tube;   a cooling assembly, wherein at least one of the cooling assembly or the smoke generating member is movably disposed in the accommodating space, and the cooling assembly is disposed at one side of the smoke generating member away from the first end; and the cooling assembly comprises:
 a cooling member defining a passage; and 
 a closing member fixed to one end of the cooling member and disposed closer to the smoke generating member than the cooling member, the closing member defining a plurality of through holes in communication with the passage; 
   a filter member disposed in the accommodating space and disposed at one end of the cooling member away from the closing member.   
     
     
         12 . The heat-not-burn cartridge of  claim 11 , wherein the filter member of the heat-not-burn cartridge is disposed downwards relative to the cooling assembly, and the smoke generating member and an end surface of the first end define a gap therebetween. 
     
     
         13 . The heat-not-burn cartridge of  claim 12 , further comprising a sealing member sealed to the first end of the first tube; wherein
 the filter member of the heat-not-burn cartridge is disposed downwards relative to the cooling assembly, a height of the gap between the smoke generating member and the sealing member is 1.5 mm±10%.   
     
     
         14 . The heat-not-burn cartridge of  claim 11 , wherein part of the filter member is accommodated in the passage from the second end. 
     
     
         15 . The heat-not-burn cartridge of  claim 14 , wherein one end of the filter member away from the cooling assembly is recessed in the accommodating space; or the end of the filter member away from the cooling assembly is flush with an end surface of the second end away from the first end. 
     
     
         16 . The heat-not-burn cartridge of  claim 11 , wherein the filter member is disposed in a compressed state in the first tube. 
     
     
         17 . The heat-not-burn cartridge of  claim 11 , further comprising a second tube sleeved on a peripheral side surface of the first tube. 
     
     
         18 . The heat-not-burn cartridge of  claim 11 , satisfying at least one of:
 a material of the first tube comprising white cardboard paper of 50 g/m 2 -200 g/m 2  or kraft paper of 50 g/m 2 -200 g/m 2 ;   a material of the cooling member comprising at least one of white cardboard paper of 50 g/m 2 -200 g/m 2 , kraft paper of 50 g/m 2 -200 g/m 2 , PLA, silicone, or an injection-molded part;   a material of the closing member comprising silk tissue paper of 1 g/m 2 -50 g/m 2 , air-permeable paper of 1 g/m 2 -50 g/m 2 , or butter paper of 45 g/m 2 -105 g/m 2 ; or   the first tube having an inner diameter ranging from 6.4 mm to 6.65 mm, the first tube having an outer diameter ranging from 6.9 mm to 7.1 mm, the cooling member having an outer diameter ranging from 6.0 mm to 6.6 mm, and the filter member having an outer diameter ranging from 6.5 mm to 7.0 mm.   
     
     
         19 . The heat-not-burn cartridge of  claim 11 , wherein the smoke generating member comprises a plurality of smoke generating particles, a plurality of smoke generating sheets, or a plurality of smoke generating particles and a plurality of smoke generating sheets, the first tube has a length ranging from 42 mm to 46 mm, the smoke generating member has a length ranging from 13 mm to 16.5 mm, the cooling assembly has a length ranging from 16 mm to 23 mm, and the filter member has a length ranging from 8 mm to 10 mm. 
     
     
         20 . The heat-not-burn cartridge of  claim 11 , wherein the plurality of through holes are implemented as six to thirteen through holes, each of the six to thirteen through holes has a diameter ranging from 0.6 mm to 1.0 mm, and a distance between any two adjacent through holes of the six to thirteen through holes ranges from 0.8 to 1.0 mm; and/or
 a distance between a through hole located at an outermost peripheral side of the plurality of through holes and an outermost edge of the first tube ranges from 0.7 mm to 0.8 mm.