CN110604342A - Low-temperature baking smoking set and split type push pipe structure thereof - Google Patents

Low-temperature baking smoking set and split type push pipe structure thereof Download PDF

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Publication number
CN110604342A
CN110604342A CN201910838217.2A CN201910838217A CN110604342A CN 110604342 A CN110604342 A CN 110604342A CN 201910838217 A CN201910838217 A CN 201910838217A CN 110604342 A CN110604342 A CN 110604342A
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CN
China
Prior art keywords
push pipe
push
split
push tube
structure according
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Pending
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CN201910838217.2A
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Chinese (zh)
Inventor
袁永宝
方日明
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Shenzhen Mcwell Technology Co Ltd
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Shenzhen Mcwell Technology Co Ltd
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Priority to CN201910838217.2A priority Critical patent/CN110604342A/en
Publication of CN110604342A publication Critical patent/CN110604342A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a low-temperature baking smoking set and a split type push pipe structure thereof, wherein the split type push pipe structure comprises a push pipe, wherein an accommodating cavity for accommodating a smoke body is formed in the push pipe; the push tube includes a first portion and a second portion that is movable back and forth relative to the first portion between an operative position for receiving the tobacco bodies and a cleaning position for cleaning the push tube. When the push pipe is in the cleaning position, the inner wall surface of the push pipe can be cleaned conveniently, the operation space is increased, and the cleaning is more complete.

Description

Low-temperature baking smoking set and split type push pipe structure thereof
Technical Field
The invention relates to the field of cigarette substitutes, in particular to a low-temperature baking smoking set and a split type push pipe structure thereof.
Background
At present, a non-combustion heating type electronic cigarette (also called low-temperature flue-cured tobacco) generally adopts two modes to heat a smoking material, wherein one mode is that a heating body is inserted into the center of the smoking material for heating, and the other mode is that the smoking material is placed in the inner cavity of the heating body for surrounding heating. The electronic cigarette with a central heating mode generally comprises a tubular cigarette pushing rod for inserting a cigarette and a heater which extends into the cigarette pushing rod and is used for being inserted into the cigarette. The heater heats cigarette components similar to traditional cigarettes at low temperature (usually below 300 ℃) to atomize the cigarette components. The cigarette adopts paper material packing fuming material, and packing material and fuming material can be softened because of the steam that the heating produced after being heated, lead to the user to aspirate the completion after, often can let fuming material drop in pushing away the tobacco rod when extracting a cigarette, lead to a small amount of cigarette residues of bonding in the smoking set, need clear up the internal surface that pushes away the tobacco rod with the help of instruments such as brush or doctor-bar this moment, get rid of the material that drops. However, the operation space is small, so that the problem of inconvenient cleaning exists, and great inconvenience is brought to users.
Disclosure of Invention
The present invention aims to solve the above-mentioned problems in the prior art and provide an improved low-temperature flue-curing smoking set and a split-type push tube structure thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: a split type push pipe structure is constructed and used for low-temperature baking smoking set, and comprises a push pipe, wherein an accommodating cavity for accommodating a smoke body is formed in the push pipe; characterized in that the push tube comprises a first part and a second part, the second part can move back and forth relative to the first part between a working position for containing the cigarette body and a cleaning position for cleaning the push tube.
In some embodiments, the first portion and the second portion are enclosed together; the inner wall surface of the first part and the inner wall surface of the second part jointly define the accommodating cavity.
In some embodiments, the second portion is movable back and forth in an axial direction of the push tube between the working position and the cleaning position relative to the first portion.
In some embodiments, the split push tube structure further comprises an accommodating barrel sleeved outside the push tube;
the first part is fixedly arranged in the containing cylinder, the second part is movably arranged in the containing cylinder along the axial direction of the push pipe, and one side of the containing cylinder, which is opposite to the inner wall surface of the first part, is opened.
In some embodiments, the split push tube structure comprises first and second ends opposite in an axial direction of the push tube;
an inner edge part is formed on the inner wall surface of the first end of the containing barrel, a first outer edge part and a second outer edge part are respectively formed on the outer wall surfaces of the first ends of the first part and the second part corresponding to the inner edge part, and the first outer edge part and the second outer edge part are respectively matched with the inner edge part in an abutting mode.
In some embodiments, the second end of the first portion is formed with a stop;
when the second part is in the working position, the second end of the second part is abutted against the stopping part.
In some embodiments, the outer wall surface of the second portion further forms a stopper portion, and when the second portion is in the cleaning position, the stopper portion abuts against the inner edge portion;
the limiting part is arranged on one side of the second part opposite to the opening side of the containing cylinder.
In some embodiments, the outer wall surface of the second portion further forms a retaining portion, and when the second portion is located at the working position, the second outer edge portion and the retaining portion respectively abut against two opposite sides of the inner edge portion, so as to retain and fix the second portion at the working position.
In some embodiments, when the second part is in the working position, the first part, the second part and the first end face of the containing barrel are flush.
In some embodiments, the surfaces of the first part and the second part in sliding contact are respectively provided with a first guide part and a second guide part which are in convex-concave sliding fit with each other, and the first guide part and/or the second guide part extend along the moving direction of the second part.
In some embodiments, an axial end of the second portion is rotatably connected to the first portion by a rotating shaft, and the rotating shaft has an axial direction parallel to the axial direction of the push tube, so that the second portion can rotate back and forth between the working position and the cleaning position relative to the first portion.
In some embodiments, a circumferential side of the second portion is rotatably connected to the first portion by a rotating shaft, and an axial direction of the rotating shaft is perpendicular to an axial direction of the push tube, so that the second portion can rotate back and forth between the working position and the cleaning position relative to the first portion.
In some embodiments, the push tube is a round tube or regular polygon shape.
In some embodiments, the push tube is tubular and the second portion is rotatable about its central axis relative to the first portion back and forth between the working position and the cleaning position.
In some embodiments, a first socket for inserting the cigarette body is formed at one axial end of the push tube, a bottom wall is formed at the other axial end of the push tube, a second socket for inserting the heating assembly is formed on the bottom wall, and the shape of the second socket corresponds to the shape of the cross section of the heating assembly.
In some embodiments, in the cleaning position, at least portions of the inner wall surfaces of the first and second portions, respectively, are opposite the external environment.
The invention also provides a low-temperature baking smoking set which comprises a shell, the split type push pipe structure detachably arranged in the shell and provided with any one of the push pipes, and a heating assembly with one end extending into the accommodating cavity.
The implementation of the invention has at least the following beneficial effects: according to the split type push pipe structure, the push pipe comprises the first part and the second part which can move relatively, when the push pipe moves to the cleaning position, the inner wall surface of the push pipe can be cleaned conveniently through a brush or a scraper and other tools, the operation space is increased, the cleaning is more complete, and the subsequent use is convenient.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic perspective view of a low temperature range smoking article according to some embodiments of the present invention;
FIG. 2 is a schematic longitudinal cross-sectional view of the low temperature flue-cured smoking article of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the slide assembly of the low temperature flue-curing smoking article of FIG. 2 in a first position;
FIG. 4 is a schematic cross-sectional view of the slide assembly of the low temperature curing smoking article of FIG. 2 in a second position;
FIG. 5 is an exploded view of the slide cover assembly of the low temperature curing smoking set of FIG. 2;
FIG. 6 is an exploded view of the split push tube structure of the low temperature flue-curing smoking set of FIG. 2;
FIG. 7 is a schematic structural view of the split push tube structure of FIG. 6 in an operating position;
FIG. 8 is a schematic structural view of the split push tube structure of FIG. 6 in a cleaning position;
FIG. 9 is a cross-sectional view of the split push tube structure of FIG. 6;
FIG. 10 is an exploded view of a first alternative of the split push tube configuration of FIG. 6;
FIG. 11 is a cross-sectional side view of a second alternative of the split push tube configuration of FIG. 6;
fig. 12 is a cross-sectional view of a third alternative of the split push tube structure of fig. 6.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Fig. 1-4 illustrate a low temperature range smoking article according to some embodiments of the present invention, which may include a housing, a heating assembly 4, and a battery 6, with both the heating assembly 4 and the battery 6 mounted within the housing. An accommodating cavity 513 for accommodating the cigarette body 8 is formed in the housing, and one end of the heating assembly 4 can extend into the accommodating cavity 513 and be inserted into the cigarette body 8 to heat the cigarette body 8.
The low-temperature flue-curing smoking set may further include a sliding cover assembly 3 connected to the housing, and the housing may include an inner housing 2 and an outer housing 1 sleeved outside the inner housing 2 in some embodiments, the outer housing 1 and the inner housing 2 are respectively and correspondingly provided with a first insertion opening 111 and a second insertion opening 214 through which the smoke body 8 can pass, and the first insertion opening 111 can be exposed or covered by operating the sliding cover assembly 3.
As shown in fig. 3-5, the slide cover assembly 3 may include an outer slide 31, an inner slide 32, and a connecting portion 311 in some embodiments. The outer slide 31 is slidably mounted outside the outer shell 1, the inner slide 32 is slidably mounted inside the outer shell 1, and the connecting portion 311 is inserted through the first insertion hole 111 to fixedly connect the outer slide 31 and the inner slide 32. The inner housing 2 has a sliding slot 211, and the inner slide 32 includes a sliding portion 321 slidably mounted in the sliding slot 211. The inner slider 32 is slidably mounted in the slide groove 211 via a sliding portion 321 such that the outer slider 31 can move back and forth relative to the housing 1 between a first position for exposing the first insertion opening 111 and a second position for blocking the first insertion opening 111. When the cigarette 8 is not required to be heated, the sliding cover assembly 3 is pushed to make the outer slide 31 in the second position, so that the outer slide 31 covers the first insertion opening 111 to prevent dust from entering the accommodating chamber 513. The sliding groove 211 is arranged on the inner shell 2, and the connecting part 311 is arranged in the first inserting hole 111, so that the sliding groove can be prevented from being arranged on the outer shell 1, and dust can be prevented from entering; compact structure, small volume, convenient operation and good dustproof effect.
In some embodiments, the outer case 1 may include a lower outer case 12 and an upper outer case 11 detachably provided on top of the lower outer case 12, and the inner case 2 may include a lower inner case 22 and an upper inner case 21 detachably provided on top of the lower inner case 22. The upper outer shell 11, the upper inner shell 21, the lower outer shell 12, and the lower inner shell 22 are all substantially rectangular in this embodiment, the bottom end of the upper outer shell 11 is open and detachably sleeved outside the upper inner shell 21, and the first insertion opening 111 and the second insertion opening 214 are respectively opened on the top walls of the upper outer shell 11 and the upper inner shell 21. The outer slide 31 is slidably disposed on the top wall of the upper outer shell 11, and the inner slide 32 is slidably disposed between the upper outer shell 11 and the upper inner shell 21. In other embodiments, the housing may only include the upper outer shell 11, the upper inner shell 21, and the lower outer shell 12, and both the upper outer shell 11 and the upper inner shell 21 are covered on the lower outer shell 12.
The sliding groove 211 is disposed on the top wall of the upper inner housing 21, and the extending direction of the sliding groove 211 may be parallel to the longitudinal direction of the top wall of the upper inner housing 21. The inner slide 32 may include a slide piece 322 disposed between the upper outer case 11 and the upper inner case 21 and a sliding portion 321 slidably mounted in the sliding slot 211. The sliding portion 321 may be integrally formed with the sliding piece 322, which may be formed by protruding and extending the sliding piece 322 toward one side of the upper inner case 21. In other embodiments, the sliding portion 321 and the sliding piece 322 may be separately manufactured and connected together.
In this embodiment, the sliding grooves 211 and the sliding portions 321 are provided in two sets (each set includes one sliding groove 211 and one sliding portion 321 corresponding to the one sliding groove 211), and are respectively located on two opposite sides of the second insertion opening 214 to improve the sliding stability. In other embodiments, the sliding groove 211 and the sliding portion 321 may be provided in one or more sets.
In some embodiments, a slot 325 may be further formed on a side of the sliding piece 322 away from the second insertion port 214, a side of the slot 325 away from the second insertion port 214 is open, a hook 213 engaged with the slot 325 is protrudingly disposed on a top wall of the upper inner shell 21, a hook portion 2131 is protrudingly formed at an end of the hook 213 facing the upper outer shell 11, and the hook 213 is engaged with the slot 325, so as to prevent the sliding piece 322 from falling off the upper inner shell 21. When the sliding device is installed, the inner sliding piece 32 can be pushed along the sliding groove 211 from the side facing the second insertion opening 214 to the side far away from the second insertion opening 214, so that the hook 213 is clamped in the slot 325, and the hook 2131 abuts against the edge of the slot 325.
In some embodiments, the connection portion 311 may be integrally formed with the outer slide 31, and may be formed by protruding the outer slide 31 toward one side of the inner slide 32. The inner slide 32 may further have a positioning groove 323 and/or a fool-proof protrusion 324 corresponding to the connecting portion 311 for easy installation and positioning. The inner slide 32 and the connecting portion 311 may be fixedly connected by a screw 34, or the inner slide 32 and the connecting portion 311 may be fixedly connected by a snap connection, an interference fit connection, a rivet connection, or the like. In other embodiments, the connecting portion 311 may be integrally formed with the inner slide 32, or the connecting portion 311 may be provided separately.
The slide cover assembly 3 may further include an elastic member 33 connected with the inner slide member 32 in some embodiments to elastically maintain the outer slide member 31 at the first position or the second position. In the present embodiment, the elastic member 33 is a torsion spring. A fixing post 212 is disposed between the inner slider 32 and the upper inner shell 21, the fixing post 212 is fixedly connected with the upper inner shell 21, and the fixing post 212 can be disposed between the two sets of sliding slots 211. One end of the torsion spring may be sleeved outside the fixing post 212, and the other end thereof is sleeved outside one of the sliding portions 321. Fixing post 212 may be integrally formed with upper inner shell 21, and may be formed by protruding upper inner shell 21 toward one side of inner slide 32. In other embodiments, fixing posts 212 may be provided independently. In other embodiments, the elastic member 33 may also be a spring or a spring plate; the elastic member 33 may also be connected to the inner slide 32 and the upper housing 11, respectively.
The first insertion opening 111 may include a first portion 1111 and a second portion 1112 disposed at a side of the first portion 1111 facing the slide cover assembly 3. The first portion 1111 has a shape corresponding to the cross-sectional shape of the cigarette body 8, and may be, for example, circular for passing the cigarette body 8 therethrough. The second portion 1112 is configured to receive the connection portion 311, and has a shape corresponding to a cross-sectional shape of the connection portion 311, and may have a rectangular shape, for example. The cross-sectional area of the outer slider 31 is larger than that of the first insertion opening 111 so that the outer slider 31 can completely cover the first insertion opening 111 to prevent dust from entering. The second insertion opening 214 is provided corresponding to the first portion 1111 and also has a shape corresponding to the cross-sectional shape of the cigarette body 8, for example, a circular shape.
As shown in fig. 3, the sliding cover assembly 3 can be held at the first position by the elastic element 33, at this time, the connecting portion 311 is received in the second portion 1112 of the first insertion port 111, the first portion 1111 of the first insertion port 111 is exposed, and the cigarette 8 can be inserted from the first portion 1111 into the receiving cavity 513 to be heated for the user to suck. When the cigarette 8 is not required to be heated, the outer slide 31 is pushed to slide to the second position, and at this time, the connecting portion 311 slides to abut against the side of the first portion 1111 away from the second portion 1112, so that the first insertion opening 111 is completely shielded by the outer slide 31, thereby preventing dust from entering.
The connecting portion 311 may be disposed near an end of the outer slider 31 opposite to the first insertion opening 111, and has a certain distance with the edge of the end of the outer slider 31, so that when the outer slider 31 moves to the second position and the connecting portion 311 abuts against a side of the first portion 1111 away from the second portion 1112, the edge of the outer slider 31 surrounds the edge of the first insertion opening 111, thereby improving the dust-proof effect. Further, the connecting portion 311 may be correspondingly disposed near an end of the sliding piece 322 opposite to the first insertion opening 111, the cross-sectional area of the sliding piece 322 of the inner sliding piece 32 may also be larger than the cross-sectional area of the first insertion opening 111, and when the outer sliding piece 31 moves to the second position, the edge of the sliding piece 322 also surrounds the edge of the first insertion opening 111, so as to form a secondary shielding, and further improve the dust-proof effect.
As further shown in fig. 2, the heating assembly 4 may include a heating element 41 and a mounting block 42. One end of the heating element 41 extends into the holding chamber 513, and the heating element 41 is powered by the battery 6 to heat the smoke body 8 inserted into the holding chamber 513. The heating element 41 may be in the form of a sheet or rod, and the end of the heating element 41 opposite to the first insertion opening 111 is formed with a pointed guide structure to facilitate insertion into the cigarette body 8 for heating.
The mounting seat 42 is used for mounting the heating element 41, and the bottom (the end facing away from the first insertion opening 111) of the heating element 41 can be inserted into the mounting seat 42. Further, a fixing portion 221 for mounting the mounting seat 42 may be further disposed in the lower inner case 22, and the bottom of the mounting seat 42 may be inserted into the fixing portion 221. The fixing portion 221 may be integrally extended from the inside of the lower inner case 22, or the fixing portion 221 may be separately provided.
As shown in connection with fig. 3-4, 6-9, the low temperature flue-curing smoking article may further include a split push tube structure 5 removably disposed in the housing in some embodiments. The split-type push tube structure 5 comprises a push tube 51, and a containing cavity 513 for containing the cigarette body 8 is formed in the push tube 51. The axial one end of the push tube 51 is provided with a first socket 514 for inserting the cigarette body 8, the other end is provided with a bottom wall 515, and the bottom wall 515 is provided with a second socket 5151 for inserting the heating element 41. In some embodiments, the shape of the second socket 5151 corresponds to the cross-sectional shape of the heating element 41, and may be rectangular, for example, so that when the heating element 41 is separated from the cigarette body 8, the bottom wall 515 scrapes off the residual substance on the heating element 41 by friction, thereby cleaning the heating element 41.
The push tube 51 in this embodiment includes a first portion 511 and a second portion 512, the first portion 511 and the second portion 512 surround together, and an inner wall surface of the first portion 511 and an inner wall surface of the second portion 512 define a receiving chamber 513 together. The second portion 512 is movable back and forth in the axial direction of the push pipe 51 relative to the first portion 511 between an operating position for housing the cigarette body 8 and a cleaning position for cleaning the push pipe 51. Wherein, in the cleaning position, at least part of the inner wall surfaces of the first portion 511 and the second portion 512 are respectively opposite to the external environment, thereby increasing the operation space and facilitating the cleaning of the inner wall surface of the push tube 51. The push pipe 51 is preferably, but not limited to, a circular pipe shape, and may have other shapes such as a regular polygon shape.
In this embodiment, the cross-sections of the first portion 511 and the second portion 512 are both substantially semicircular, and the first portion 511 and the second portion 512 form a circular tube-shaped push tube 51 after being surrounded. In other embodiments, the arc length of the cross section of the first portion 511 can be smaller or larger than the arc length of the cross section of the second portion 512, which together enclose the push tube 51 in a circular tube shape.
The split-type push tube structure 5 may further include a receiving tube 52 sleeved outside the push tube 51 in some embodiments, the receiving tube 52 is detachably received in the upper inner shell 21, the first portion 511 is fixedly installed in the receiving tube 52, and the second portion 512 is movably installed in the receiving tube 52 along the axial direction of the push tube 51. The side of the housing cylinder 52 opposite to the inner wall surface of the first portion 511 is opened so that the inner wall surface of the first portion 511 can be cleaned through the opened side of the housing cylinder 52. The bottom (the side opposite to the heating element 41) of the accommodating cylinder 52 can be opened; alternatively, a wall may be formed on the side of the accommodating cylinder 52 opposite to the heating element 41, and the wall is provided with a through hole for the heating element 41 to pass through. The housing cylinder 52 may have a rectangular parallelepiped shape, a cylindrical shape, or the like, and a mounting cavity 524 for housing the push tube 51 is formed therein, and the mounting cavity 524 may have a square shape, a cylindrical shape, a regular polygonal shape, or the like. The first portion 511 may be fixed in the receiving cylinder 52 by a screw, a snap structure, or the like. In this embodiment, a positioning portion 5113 is formed on the outer wall surface of the first portion 511 in a protruding manner, a positioning groove 523 is formed on the sidewall of the accommodating cylinder 52 corresponding to the positioning portion 5113, and the positioning portion 5113 is snapped into the positioning groove 523 to fix the first portion 511 in the accommodating cylinder 52.
The split type push pipe structure 5 includes a first end and a second end opposite to each other in the axial direction of the push pipe 51, in this embodiment, the first end is an end facing the first insertion opening 111, and the second end is an end facing away from the first insertion opening 111. An inner edge portion 521 may be formed on an inner wall surface of the first end of the housing tube 52 in the radial direction thereof, a first outer edge portion 5111 and a second outer edge portion 5121 may be formed on outer wall surfaces of the first end of the first portion 511 and the first end of the second portion 512 in the radial direction thereof corresponding to the inner edge portion 521, respectively, and the first end of the first portion 511 and the first end of the second portion 512 may be in contact engagement with the inner edge portion 521 via the first outer edge portion 5111 and the second outer edge portion 5121, respectively. Two opposite sides of the first outer edge 5111 can abut against the upper inner shell 21 and the inner edge 521, respectively, to clamp and fix the first portion 511.
The second end of the first portion 511 has a cylindrical portion 5116 with a circular cross section, a stop portion 5112 is formed on a side of the cylindrical portion 5116 opposite to the first end of the first portion 511, and the second end of the second portion 512 is in abutting fit with the stop portion 5112. In other embodiments, the cross section of the second end of the first portion 511 may also be an arc with an arc greater than 180 degrees, such that the second end is formed with a stepped surface to form the stop 5112.
The outer wall surface of the second portion 512 may further form a limiting portion 5122, the limiting portion 5122 is located between the inner edge 521 and the stopping portion 5112, when the second portion 512 is at the cleaning position, the limiting portion 5122 abuts against the inner edge 521, so as to prevent the second portion 512 from falling out of the accommodating tube 52. Further, the limiting portion 5122 may be disposed at a side opposite to the open side of the receiving cylinder 52, so that the second portion 512 can be pushed to move from the working position to the cleaning position by pulling the limiting portion 5122, which is more convenient to operate.
In some embodiments, the outer wall surface of the second portion 512 may further be formed with a retaining portion 5126, and when the second portion 512 is in the working position, the retaining portion 5126 and the second outer edge portion 5121 respectively abut against two opposite sides of the inner edge portion 521, so as to retain and fix the second portion 512 in the working position. In addition, when the second portion 512 is moved from the cleaning position to the working position, the retaining portion 5126 is deformed to enter the inner hole of the inner edge portion 521, and the deformation is restored after the second portion is moved to exit the inner hole of the inner edge portion 521, so as to generate a "click" sound, which can indicate to the user that the second portion 512 is installed in place.
When the cigarette body 8 needs to be heated, the second part 512 is pushed to be located at a working position relative to the first part 511, at this time, the first outer edge part 5111 and the second outer edge part 5121 are respectively abutted against the inner edge part 521, the second end of the second part 512 is abutted against the stopping part 5112, and the first end face of the first part 511, the first end face of the second part 512 and the first end face of the accommodating cylinder 52 are flush; the inner wall surface of the first portion 511 is opposite to the inner wall surface of the second portion 512, the heating element 41 can be inserted into the holding cavity 513 through the second insertion opening 5151, the cigarette body 8 can be inserted into the push tube 51 through the first insertion opening 514 and is inserted into the heating element 41, and the atomization is heated under the action of the heating element 41, as shown in fig. 7.
As shown in fig. 8, after the cigarette body 8 is heated and used, the cigarette body 8 is pulled out from the push pipe 51, the cigarette body 8 is separated from the heating element 41 and the push pipe 51, then the upper outer shell 11 and the upper inner shell 21 are sequentially disassembled, the split push pipe structure 5 is taken out, and the heating element 41 is correspondingly separated from the push pipe 51; then, the second portion 512 is pushed to move to the cleaning position in the direction away from the stopping portion 5112, at this time, the limiting portion 5122 abuts against the inner edge portion 521, and the inner wall surface of the first portion 511 and the inner wall surface of the second portion 512 are respectively opposite to the external environment, so that the inner wall surface of the push pipe 51 can be conveniently cleaned by a brush, a wiper or other tools, the operation space is increased, the cleaning is more complete, and the subsequent use is facilitated.
As shown in fig. 6 and 9, in some embodiments, the surfaces of the first portion 511 and the second portion 512 in sliding contact may further include a first guide portion 5114 and a second guide portion 5124 that are in sliding fit with each other in a convex-concave manner, and the first guide portion 5114 and/or the second guide portion 5124 may extend along the moving direction of the second portion 512 to increase stability during sliding. In the present embodiment, the edges of both sides of the first portion 511 in the circumferential direction are respectively formed with a notch extending in the axial direction of the push pipe 51, the notch forming the first guide portion 5114; the edges of the two circumferential sides of the second portion 512 are respectively formed with a protrusion extending along the axial direction of the push pipe 51, the protrusion forms a second guide part 5124, and the second guide part 5124 is slidably wrapped outside the first guide part 5114.
In some embodiments, the second portion 512 and the receiving cylinder 52 may also be respectively provided with a third guiding portion 5123 and a fourth guiding portion 522 which are in sliding fit with each other in a convex-concave manner, and the third guiding portion 5123 and/or the fourth guiding portion 522 are/is extended along the moving direction of the second portion 512, so as to increase stability during sliding. In the present embodiment, the third guide portion 5123 is a slider formed by protruding the outer wall surface of the second portion 512, and the fourth guide portion 522 is a slide groove formed by recessing the inner wall surface of the accommodating tube 52 and extending in the axial direction of the push tube 51, and the slider is slidably disposed in the slide groove.
Fig. 10 illustrates a split push tube structure 5 in some embodiments of the invention as an alternative to the split push tube structure described above. In this embodiment, one axial end of the second portion 512 is rotatably connected to the first portion 511 via a rotating shaft 5127, the rotating shaft 5127 has an axial direction parallel to the axial direction of the push tube 51, and the second portion 512 can rotate around the rotating shaft 5127 relative to the first portion 511 between the working position and the cleaning position. The push pipe 51 is preferably, but not limited to, a circular pipe shape, and may have other shapes such as a regular polygon shape. The rotation shaft 5127 may be integrally formed with the first portion 511 or the second portion 512, or it may be separately provided.
In this embodiment, both axial ends of one circumferential side of the second portion 512 extend axially to form the rotation shaft 5127. A first flange 5117 and a second flange 5118 are formed at a first end and a second end of the first portion 511, respectively, a first end and a second end of the second portion 512 abut against the first flange 5117 and the second flange 5118, respectively, and a rotation shaft hole 5119 for mounting the rotation shaft 5127 is formed in each of the first flange 5117 and the second flange 5118 corresponding to the rotation shaft 5127.
Fig. 11 illustrates a split push tube structure 5 in some embodiments of the invention as an alternative to the split push tube structure described above. In this embodiment, one circumferential side of the second portion 512 is rotatably connected to the first portion 511 via a rotating shaft 5127, the axial direction of the rotating shaft 5127 is perpendicular to the axial direction of the push tube 51, and the second portion 512 can rotate around the rotating shaft 5127 relative to the first portion 511 between the working position and the cleaning position. The push pipe 51 is preferably, but not limited to, a circular pipe shape, and may have other shapes such as a regular polygon shape. The rotation shaft 5127 may be integrally formed with the first portion 511 or the second portion 512, or it may be separately provided. Further, the rotation shafts 5127 may be respectively disposed at both axial ends of one circumferential side of the second portion 512.
Fig. 12 illustrates a split push tube structure 5 in some embodiments of the invention as an alternative to the split push tube structure described above. In this embodiment, the push tube 51 is shaped as a circular tube, and the second portion 512 is rotatable about its central axis relative to the first portion 511 back and forth between the working position and the cleaning position. The surfaces of the first and second portions 511 and 512 in sliding contact may be respectively provided with a fifth guide portion 5115 and a sixth guide portion 5125 which are in convex-concave sliding fit with each other, and the fifth guide portion 5115 and/or the sixth guide portion 5125 may be extended in the circumferential direction to increase stability during sliding, for example, the fifth guide portion 5115 may be a circular arc sliding groove formed by recessing the outer wall surface of the first portion 511 and extending in the circumferential direction, and the sixth guide portion 5125 may be a circular arc protrusion formed by protruding the inner wall surface of the second portion 512 and extending in the circumferential direction. In other embodiments, the second portion 512 and the receiving cylinder 52 may be provided with guiding structures that are engaged with each other in a male-female sliding manner, respectively, to provide stability during sliding.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above examples only express the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (17)

1. A split type push pipe structure is used for a low-temperature baking smoking set and comprises a push pipe (51), wherein an accommodating cavity (513) for accommodating a smoke body (8) is formed in the push pipe (51); characterized in that the push tube (51) comprises a first portion (511) and a second portion (512), the second portion (512) being movable back and forth with respect to the first portion (511) between a working position for housing the bodies (8) and a cleaning position for cleaning the push tube (51).
2. The split push tube structure of claim 1, wherein the first portion (511) and the second portion (512) enclose together; the inner wall surface of the first portion (511) and the inner wall surface of the second portion (512) jointly define the accommodating chamber (513).
3. The split push tube structure of claim 2, characterized in that the second portion (512) is movable back and forth in the axial direction of the push tube (51) between the working position and the cleaning position with respect to the first portion (511).
4. The split type push pipe structure according to claim 3, further comprising a containing barrel (52) sleeved outside the push pipe (51);
the first portion (511) is fixedly installed in the accommodating cylinder (52), the second portion (512) is movably installed in the accommodating cylinder (52) along the axial direction of the push pipe (51), and one side of the accommodating cylinder (52) opposite to the inner wall surface of the first portion (511) is open.
5. The split push tube structure according to claim 4, characterized in that it comprises a first end and a second end opposite in an axial direction of the push tube (51);
an inner edge part (521) is formed on the inner wall surface of the first end of the containing cylinder (52), a first outer edge part (5111) and a second outer edge part (5121) are formed on the outer wall surfaces of the first ends of the first part (511) and the second part (512) respectively corresponding to the inner edge part (521), and the first outer edge part (5111) and the second outer edge part (5121) are respectively abutted and matched with the inner edge part (521).
6. The split push tube structure according to claim 5, wherein the second end of the first portion (511) is formed with a stopper (5112);
when the second part (512) is in the working position, the second end of the second part (512) abuts against the stop portion (5112).
7. The split type push pipe structure according to claim 5, wherein the outer wall surface of the second portion (512) is further formed with a limit portion (5122), and when the second portion (512) is in the cleaning position, the limit portion (5122) abuts against the inner edge portion (521);
the stopper (5122) is provided on the side of the second portion (512) opposite to the open side of the accommodation tube (52).
8. The split type push pipe structure according to claim 5, wherein a retaining portion (5126) is further formed on the outer wall surface of the second portion (512), and when the second portion (512) is in the working position, the second outer edge portion (5121) and the retaining portion (5126) respectively abut against two opposite sides of the inner edge portion (521) to retain and fix the second portion (512) in the working position.
9. The split push tube structure according to claim 5, wherein when the second portion (512) is in the working position, the first portion (511), the second portion (512), and the first end face of the receiving cylinder (52) are flush.
10. The split type push pipe structure according to claim 2, wherein the first portion (511) and the second portion (512) are respectively provided with a first guide part (5114) and a second guide part (5124) which are in sliding fit with each other in a convex-concave manner on the surfaces thereof, and the first guide part (5114) and/or the second guide part (5124) are/is arranged to extend along the moving direction of the second portion (512).
11. The split type push pipe structure according to claim 1, wherein one axial end of the second portion (512) is rotatably connected with the first portion (511) through a rotating shaft (5127), and the axial direction of the rotating shaft (5127) is parallel to the axial direction of the push pipe (51), so that the second portion (512) can rotate back and forth between the working position and the cleaning position relative to the first portion (511).
12. The split type push pipe structure according to claim 1, wherein one circumferential side of the second portion (512) is rotatably connected with the first portion (511) through a rotating shaft (5127), and the axial direction of the rotating shaft (5127) is perpendicular to the axial direction of the push pipe (51), so that the second portion (512) can rotate back and forth between the working position and the cleaning position relative to the first portion (511).
13. The split push tube structure according to any one of claims 1 to 12, wherein the push tube (51) is in a circular tube shape or a regular polygon shape.
14. The split push tube structure of claim 1, wherein the push tube (51) is tubular, and the second portion (512) is rotatable about its central axis back and forth relative to the first portion (511) between the working position and the cleaning position.
15. The split type push pipe structure according to claim 1, wherein a first socket (514) for inserting the smoke body (8) is formed at one axial end of the push pipe (51), a bottom wall (515) is formed at the other axial end of the push pipe, a second socket (5151) for inserting the heating assembly (4) is formed on the bottom wall (515), and the shape of the second socket (5151) corresponds to the shape of the cross section of the heating assembly (4).
16. The split push tube structure according to any one of claims 1 to 12 and 14 to 15, wherein at least part of inner wall surfaces of the first portion (511) and the second portion (512) respectively oppose to an external environment in the cleaning position.
17. A low temperature roasting smoking set comprising a housing, a split push tube structure (5) according to any one of claims 1 to 16 detachably disposed in the housing, and a heating element (4) having one end extending into the receiving chamber (513).
CN201910838217.2A 2019-09-05 2019-09-05 Low-temperature baking smoking set and split type push pipe structure thereof Pending CN110604342A (en)

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