Electronic cigarette

Abstract

The utility model discloses an electronic cigarette. The electronic cigarette comprises an atomization device, an electric control device, first liquid absorption cotton and second liquid absorption cotton. An atomizing air channel is formed in the atomizing device, and a communicating hole and an air outlet hole which communicate with the atomizing air channel are formed in the atomizing device. An air inlet passage is formed in the electric control device, and a first air inlet hole and a second air inlet hole which are respectively communicated with the air inlet passage are formed in the electric control device; when the electric control device is connected with the atomization device, the second air inlet hole is right opposite to the communication hole, and the wall of the second air inlet hole abuts against the wall of the through hole. The first liquid absorption cotton is arranged in the atomization air channel and used for absorbing condensate in the atomization air channel; the second liquid absorbing cotton is arranged in the air inlet channel and used for absorbing condensate in the air inlet channel. Condensate in the flue of the electronic cigarette can be effectively absorbed.

Description

Technical Field

[0001] This application relates to the field of atomization technology, and in particular to an electronic cigarette. Background Technology

[0002] An electronic cigarette is an electronic product that atomizes e-liquid into an aerosol for inhalation. It generally consists of an atomizing device and an electronic control unit, which controls the heating of the atomizing device to atomize the e-liquid. Both the atomizing device and the electronic control unit have their own atomizing airflow channels and air intake channels, respectively. When assembled, these channels are interconnected. When the user inhales, outside air flows into the electronic cigarette through the air intake channel, and the airflow carries the aerosol from the atomizing airflow channel out through the mouthpiece.

[0003] However, when the atomizer is working, a temperature difference exists between the atomizing airway and the air intake airway, causing condensation to form. This condensation can flow into the electronic control module of the electronic device, causing adverse effects. Furthermore, in electronic cigarettes with replaceable atomizers, when the user removes the atomizer, the condensation flowing between the atomizer and the battery can easily soil the user's fingers, resulting in a dirty visual appearance. Utility Model Content

[0004] The main objective of this application is to provide an electronic cigarette that solves the technical problem of condensation between the atomizing device and the battery device.

[0005] To achieve the above objectives, this application proposes an electronic cigarette, the electronic cigarette comprising:

[0006] An atomizing device has an internal atomizing airway. The atomizing device has a connecting hole and an air outlet that are respectively connected to the atomizing airway. The atomizing device includes an atomizing component, which is disposed inside the atomizing device. The atomizing component is used to atomize e-liquid into a mist. The atomizing airway passes through the inner cavity of the atomizing component. The connecting hole is located below the atomizing component, and the air outlet is located above the atomizing component.

[0007] An electronic control device is electrically connected to the atomizing device. An air intake channel is formed inside the electronic control device. The electronic control device has a first air intake hole and a second air intake hole that are respectively connected to the air intake channel. The first air intake hole is connected to the outside atmosphere. When the electronic control device is connected to the atomizing device, the second air intake hole is directly opposite the connecting hole, and the wall of the second air intake hole abuts against the wall of the connecting hole.

[0008] A first absorbent cotton is disposed within the atomizing air passage, and the first absorbent cotton is used to absorb condensate within the atomizing air passage; and

[0009] A second absorbent cotton is disposed inside the air intake duct, and the second absorbent cotton is used to absorb the condensate inside the air intake duct.

[0010] Optionally, the atomizing device includes a housing, which is detachably connected to the electronic control device. The atomizing air passage is formed inside the housing, the atomizing component is disposed inside the housing, and the connecting hole is opened on the side wall of the housing.

[0011] Optionally, the first absorbent cotton is disposed inside the housing and located below the atomizing component. One side of the first absorbent cotton extends to the connecting hole and connects to the inner wall of the housing. The first absorbent cotton has a through-hole for absorbing liquid corresponding to the connecting hole. The two ends of the absorbing liquid channel are respectively connected to the connecting hole and the inner cavity of the atomizing component.

[0012] Optionally, the liquid absorption channel is formed by a downward-facing indentation on the top side of the first absorbent cotton.

[0013] Optionally, the interior of the housing is formed with an oil storage chamber for storing e-liquid, the oil storage chamber is connected to the inner cavity of the atomizing component, and the volume of the first absorbent cotton is 5% to 10% of the oil storage capacity of the oil storage chamber.

[0014] Optionally, the electronic control device includes a housing, which is detachably connected to the atomizing device. The air intake channel is formed inside the housing. The first air intake hole and the second air intake hole are opened on the housing. The wall of the second air intake hole extends in a direction away from the housing to form an air intake cylinder. The end of the air intake cylinder away from the housing abuts against the wall of the connecting hole.

[0015] Optionally, the outer casing includes a connecting shell, a connecting seat, and a connecting plate. The connecting shell is cylindrical and has an opening on one side. The connecting seat covers the opening. The connecting plate connects to the outside of the connecting seat. The air intake cylinder is formed on the outside of the connecting plate. The inner side of the connecting plate is recessed outward corresponding to the air intake cylinder to form a groove. The bottom of the groove communicates with the air intake cylinder. The connecting seat has a first through hole corresponding to the air intake cylinder.

[0016] Optionally, the electronic cigarette includes a pressure sensor assembly disposed within the air intake duct, the pressure sensor assembly being located above the air intake cylinder, the pressure sensor assembly being connected to the inner side of the connector and opposite to the groove, and the connector having a second through hole corresponding to the pressure sensor assembly and the groove.

[0017] Optionally, the pressure sensor assembly includes a fixed base and a pressure sensor. The fixed base is hollow, and the pressure sensor is disposed inside the fixed base. An air guide tube is provided on the fixed base. One end of the air guide tube is connected to the interior of the fixed base, and the other end of the air guide tube passes through the second through hole.

[0018] Optionally, the second absorbent cotton is connected to the outer wall of the fixing seat, one side of the second absorbent cotton extends to the first through hole and connects to the inner side of the connecting seat, and the second absorbent cotton has an absorbent hole corresponding to the first through hole.

[0019] In the electronic cigarette of this application, the first absorbent cotton absorbs the condensate in the atomizing airway, thereby preventing the condensate from flowing freely within the atomizing airway and reducing the occurrence of condensate flowing out of the atomizing device through the connecting hole and / or the air outlet. The second absorbent cotton absorbs the condensate in the air intake airway, thereby preventing the condensate from flowing freely within the atomizing airway and reducing the occurrence of condensate flowing out of the electronic control device through the first air intake hole and / or the second air intake hole. The second air intake hole is directly opposite the connecting hole, thereby preventing the condensate from flowing and accumulating in the gap between the atomizing device and the electronic control device, thus providing better visibility when the user removes the atomizing device and the electronic control device, and reducing the likelihood of getting fingers dirty. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 Here are detailed drawings of an embodiment of the electronic cigarette of this application;

[0022] Figure 2 for Figure 1 Exploded view of some structures in the embodiment shown;

[0023] Figure 3 for Figure 1 A cross-sectional view of the embodiment shown;

[0024] Figure 4 for Figure 1 A perspective view of the first absorbent cotton in the illustrated embodiment;

[0025] Figure 5 for Figure 1 A perspective view of the connecting plate in the illustrated embodiment.

[0026] Explanation of icon numbers:

[0027]

[0028]

[0029] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the term "and / or" throughout the text includes three solutions; taking A and / or B as an example, it includes technical solution A, technical solution B, and a technical solution that simultaneously satisfies A and B. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0033] This application discloses an electronic cigarette, comprising an atomizing device, an electronic control device, a first absorbent cotton, and a second absorbent cotton. The atomizing device has an atomizing airway internally, and a connecting hole and an air outlet respectively connected to the atomizing airway. The atomizing device includes an atomizing component disposed inside the atomizing device, used to atomize e-liquid into an aerosol. The atomizing airway penetrates the inner cavity of the atomizing component, the connecting hole is located below the atomizing component, and the air outlet is located above the atomizing component. The electronic control device is electrically connected to the atomizing device, and has an air intake airway internally. The electronic control device has a first air intake hole and a second air intake hole respectively connected to the air intake airway. The first air intake hole is open to the outside atmosphere; when the electronic control device is connected to the atomizing device, the second air intake hole is directly opposite the connecting hole, and the wall of the second air intake hole abuts against the wall of the connecting hole. The first absorbent cotton is disposed inside the atomizing airway and is used to absorb condensate within the atomizing airway. The second absorbent cotton is located inside the air intake duct and is used to absorb the condensate inside the air intake duct.

[0034] In the electronic cigarette of this application, the first absorbent cotton absorbs the condensate in the atomizing airway, thereby preventing the condensate from flowing freely within the atomizing airway and reducing the occurrence of condensate flowing out of the atomizing device through the connecting hole and / or the air outlet. The second absorbent cotton absorbs the condensate in the air intake airway, thereby preventing the condensate from flowing freely within the atomizing airway and reducing the occurrence of condensate flowing out of the electronic control device through the first air intake hole and / or the second air intake hole. The second air intake hole is directly opposite the connecting hole, thereby preventing the condensate from flowing and accumulating in the gap between the atomizing device and the electronic control device, thus providing better visibility when the user removes the atomizing device and the electronic control device, and reducing the likelihood of getting fingers dirty.

[0035] The following will mainly describe the specific structure of electronic cigarettes.

[0036] Please see Figure 1 and Figure 3 The electronic cigarette 100 of this application includes an atomizing device 110, which is capable of heating to atomize e-liquid into a vapor. Specifically, the atomizing device 110 includes an atomizing component 114, which is disposed inside the atomizing device 110 and is used to atomize e-liquid into a vapor.

[0037] Please see Figure 3The atomizing device 110 has an atomizing air passage inside, and a connecting hole 111 and an air outlet 112 are respectively opened on the atomizing air passage. The atomizing air passage runs through the inner cavity of the atomizing component 114, the connecting hole 111 is located below the atomizing component 114, and the air outlet 112 is located above the atomizing component 114. The air outlet 112 is connected to the mouthpiece. The airflow enters the atomizing air passage through the connecting hole 111, passes through the inner cavity of the atomizing component 114, and carries the atomized air from the atomizing component 114 out through the air outlet 112.

[0038] Please see Figure 1 and Figure 3 The atomizing device 110 includes a housing 113, an atomizing air passage formed inside the housing 113, an atomizing component 114 disposed inside the housing 113, and a connecting hole 111 opened on the side wall of the housing 113. Thus, the atomizing component 114 is offset from the connecting hole 111, preventing condensate in the atomizing air passage from dripping vertically downwards into the connecting hole 111, thereby preventing condensate from easily flowing out of the atomizing device 110 through the connecting hole 111.

[0039] Please see Figure 3 The housing 113 has an oil storage chamber 115 inside for storing e-liquid, and the oil storage chamber 115 is connected to the inner cavity of the atomizing component 114. The atomizing component 114 can draw e-liquid from the oil storage chamber 115 to atomize the e-liquid into a vapor.

[0040] Please see Figures 1 to 3 The electronic cigarette 100 of this application includes an electronic control device 120. The electronic control device 120 is electrically connected to the atomizing device 110, and the electronic control device 120 is capable of controlling the atomizing device 110 to atomize e-liquid.

[0041] Please see Figure 3 The electronic control device 120 has an air intake channel inside, and a first air intake hole 121 and a second air intake hole 122 are respectively connected to the air intake channel. The first air intake hole 121 is connected to the outside atmosphere; the second air intake hole 122 is connected to the connecting hole 111. Thus, when the user inhales, the outside atmosphere flows into the air intake channel through the first air intake hole 121, and then flows into the atomizing device 110 through the second air intake hole 122.

[0042] Please see Figure 3 When the electronic control device 120 is connected to the atomizing device 110, the second air inlet 122 is directly opposite the connecting hole 111, and the wall of the second air inlet 122 abuts against the wall of the connecting hole 111. As a result, the gas flows directly into the connecting hole 111 from the second air inlet 122, and the condensate in the gas is less likely to accumulate between the atomizing device 110 and the electronic control device 120.

[0043] Please see Figure 1 and Figure 3The second air inlet 122 and the connecting hole 111 can be the same size and / or shape, which can better prevent condensate from accumulating between the atomizing device 110 and the electronic control device 120. Of course, the second air inlet 122 and the connecting hole 111 can also be different in size and / or shape. Their sizes and / or shapes can be slightly different.

[0044] Please see Figures 1 to 3 The electronic control device 120 includes a housing, which is detachably connected to the atomizing device 110. An air intake channel is formed inside the housing. A first air intake hole 121 and a second air intake hole 122 are formed on the housing. The wall of the second air intake hole 122 extends away from the housing to form an air intake cylinder 123. The end of the air intake cylinder 123 away from the housing abuts against the wall of the connecting hole 111. The air intake cylinder 123 improves the connection between the second air intake hole 122 and the connecting hole 111, making it less likely for condensate to leak between the atomizing device 110 and the electronic control device 120. The air intake cylinder 123 also creates an installation space between the atomizing device 110 and the electronic control device 120, facilitating the connection of other components of the atomizing device 110 and the electronic control device 120.

[0045] Please see Figure 2 and Figure 3 The outer casing includes a connecting shell 124, a connecting seat 125, and a connecting plate 126. The connecting shell 124 is cylindrical and has an opening on one side. The connecting seat 125 covers the opening. The connecting plate 126 connects to the outside of the connecting seat 125, and the air intake 123 is formed on the outside of the connecting plate 126. The connecting seat 125 and the connecting shell 124, and the connecting seat 125 and the connecting plate 126 can be connected by sleeve, snap-fit, adhesive, or screw.

[0046] Please see Figure 4 The inner side of the connecting plate 126 is recessed outwards from the air inlet cylinder 123 to form a groove 127. The bottom of the groove 127 communicates with the air inlet cylinder 123. The connecting seat 125 has a first through hole 128 corresponding to the air inlet cylinder 123. The groove 127 can buffer the gas entering the air inlet cylinder 123 and also block the condensate, so that the condensate is not easy to flow out of the electronic control device 120 through the air inlet cylinder 123.

[0047] Please see Figure 3 and Figure 5 The electronic cigarette 100 of this application includes a first absorbent cotton 140, which is disposed in the atomizing airway and is used to absorb condensate in the atomizing airway. Therefore, the condensate in the atomizing airway will not flow freely within the atomizing airway, thereby reducing the probability of condensate flowing out of the atomizing device 110 through the connecting hole 111 and / or the air outlet 112.

[0048] Please see Figure 3 The first absorbent cotton 140 is disposed inside the housing 113 and located below the atomizing assembly 114. Thus, the first absorbent cotton 140 is directly opposite the atomizing assembly 114, and the first absorbent cotton 140 can absorb the condensate flowing down the inner cavity of the atomizing assembly 114 in a timely manner.

[0049] Please see Figure 3 One side of the first absorbent cotton 140 extends to the connecting hole 111 and connects to the inner wall of the housing 124 body 113. Thus, the first absorbent cotton 140 can absorb the condensate flowing to the connecting hole 111 in a timely manner, thereby reducing the probability of condensate flowing out of the atomizing device 110 through the connecting hole 111.

[0050] Please see Figure 3 The first absorbent cotton 140 has a through-hole 141 corresponding to the connecting hole 111, and the two ends of the 141 are connected to the connecting hole 111 and the inner cavity of the atomizing component 114, respectively. Thus, the first absorbent cotton 140 has a better absorption effect on the condensate flowing through the atomizing air passage without affecting the flow of the atomizing air passage.

[0051] Please see Figure 3 and Figure 5 The liquid absorption channel 141 is formed by a downward-facing indentation on the top side of the first liquid-absorbing cotton 140. Therefore, the liquid absorption channel 141 is groove-shaped with its opening facing the atomizing component 114, resulting in good gas flow within the channel. Simultaneously, the condensate flowing down from the atomizing component 114 can be guided by the groove wall of the liquid absorption channel 141 to the area below the first liquid-absorbing cotton 140, thus improving the absorption effect of the first liquid-absorbing cotton 140 on the condensate.

[0052] The volume of the first absorbent cotton 140 is 5% to 10% of the oil storage capacity of the oil storage chamber 115. Therefore, the first absorbent cotton 140 is less likely to become oversaturated, resulting in better absorption of condensate. Further, the volume of the first absorbent cotton 140 can be 6% to 10%, 7% to 8%, 5% to 9%, 6% to 7%, 5% to 6%, or 8% to 10% of the oil storage capacity of the oil storage chamber 115. Even further, the volume of the first absorbent cotton 140 can be 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5%, or 10% of the oil storage capacity of the oil storage chamber 115.

[0053] Please see Figure 2 and Figure 3The electronic cigarette 100 of this application includes a pressure sensor assembly 130, which is disposed in the air intake duct. The pressure sensor assembly 130 is electrically connected to the electronic control device 120. When the user inhales, the air pressure in the air intake duct changes, triggering the pressure sensor assembly 130. The electronic control device 120 controls the atomizing assembly 114 to operate by receiving the trigger signal from the pressure sensor assembly 130.

[0054] Please see Figure 3 The pressure sensor assembly 130 is located above the air intake cylinder 123. As a result, condensate in the air intake passage is less likely to flow onto the pressure sensor assembly 130 (condensate is heavier than gas), thereby reducing the probability of condensate damaging the pressure sensor assembly 130.

[0055] Please see Figure 3 The pressure sensor assembly 130 is connected to the inner side of the connecting seat 125, and the pressure sensor assembly 130 is opposite to the groove 127. The connecting seat 125 has a second through hole 129 corresponding to the pressure sensor assembly 130 and the groove 127. Thus, the groove 127 can also buffer the gas flowing through the pressure sensor assembly 130, thereby further preventing condensate from flowing out of the electronic control device 120.

[0056] Please see Figure 2 and Figure 3 The pressure sensor assembly 130 includes a mounting base 131 and a pressure sensor 132. The mounting base 131 is hollow, and the pressure sensor 132 is disposed inside the mounting base 131. An air guide tube 133 is provided on the mounting base 131. One end of the air guide tube 133 is connected to the interior of the mounting base 131, and the other end of the air guide tube 133 passes through the second through hole 129. Thus, the mounting base 131 protects the pressure sensor 132 from being triggered without affecting its activation, preventing condensate from entering the pressure sensor 132.

[0057] Please see Figure 3 The electronic cigarette 100 of this application includes a second absorbent cotton 150, which is disposed in the air intake channel and is used to absorb condensate in the air intake channel. Therefore, condensate in the air intake channel will not accumulate and flow within the air intake channel, thereby reducing the occurrence of condensate flowing out of the electronic control device 120 through the first air intake port 121 and / or the second air intake port 122.

[0058] Please see Figure 3The second absorbent cotton 150 is connected to the outer wall of the fixing base 131. One side of the second absorbent cotton 150 extends to the first through hole 128. The second absorbent cotton 150 is connected to the inner side of the connecting base 125. The second absorbent cotton 150 has an absorbent hole 151 corresponding to the first through hole 128. Thus, the second absorbent cotton 150 is located at the first through hole 128, which has a good absorption effect on the condensate in the air intake channel, reducing the probability of condensate flowing out of the electronic control device 120 through the first through hole 128. At the same time, the second absorbent cotton 150 does not affect the connectivity of the air intake channel.

[0059] The above description is merely a preferred embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the inventive concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. An electronic cigarette, characterized in that, include: An atomizing device has an internal atomizing airway. The atomizing device has a connecting hole and an air outlet that are respectively connected to the atomizing airway. The atomizing device includes an atomizing component, which is disposed inside the atomizing device. The atomizing component is used to atomize e-liquid into a mist. The atomizing airway passes through the inner cavity of the atomizing component. The connecting hole is located below the atomizing component, and the air outlet is located above the atomizing component. An electronic control device is electrically connected to the atomizing device. An air intake channel is formed inside the electronic control device. The electronic control device has a first air intake hole and a second air intake hole that are respectively connected to the air intake channel. The first air intake hole is connected to the outside atmosphere. When the electronic control device is connected to the atomizing device, the second air intake hole is directly opposite the connecting hole, and the wall of the second air intake hole abuts against the wall of the connecting hole. A first absorbent cotton is disposed in the atomizing air channel, and the first absorbent cotton is used to absorb the condensate in the atomizing air channel; as well as A second absorbent cotton is disposed inside the air intake duct, and the second absorbent cotton is used to absorb the condensate inside the air intake duct.

2. The electronic cigarette according to claim 1, characterized in that, The atomizing device includes a housing, which is detachably connected to the electronic control device. The atomizing air passage is formed inside the housing, the atomizing component is disposed inside the housing, and the connecting hole is opened on the side wall of the housing.

3. The electronic cigarette according to claim 2, characterized in that, The first absorbent cotton is disposed inside the housing and located below the atomizing component. One side of the first absorbent cotton extends to the connecting hole and connects to the inner wall of the housing. The first absorbent cotton has a through-hole for absorbing liquid corresponding to the connecting hole. The two ends of the absorbing liquid channel are respectively connected to the connecting hole and the inner cavity of the atomizing component.

4. The electronic cigarette according to claim 3, characterized in that, The liquid absorption channel is formed by a downward-facing indentation on the top side of the first liquid-absorbing cotton.

5. The electronic cigarette according to claim 2, characterized in that, The shell has an oil storage chamber for storing e-liquid inside, which is connected to the inner cavity of the atomizing component. The volume of the first absorbent cotton is 5% to 10% of the oil storage capacity of the oil storage chamber.

6. The electronic cigarette according to claim 1, characterized in that, The electronic control device includes a housing, which is detachably connected to the atomizing device. The air intake channel is formed inside the housing. The first air intake hole and the second air intake hole are opened on the housing. The wall of the second air intake hole extends in a direction away from the housing to form an air intake cylinder. The end of the air intake cylinder away from the housing abuts against the wall of the connecting hole.

7. The electronic cigarette according to claim 6, characterized in that, The outer casing includes a connecting shell, a connecting seat, and a connecting plate. The connecting shell is cylindrical and has an opening on one side. The connecting seat is attached to the opening. The connecting plate is connected to the outside of the connecting seat. The air intake cylinder is formed on the outside of the connecting plate. The inner side of the connecting plate is recessed outward corresponding to the air intake cylinder to form a groove. The bottom of the groove communicates with the air intake cylinder. The connecting seat has a first through hole corresponding to the air intake cylinder.

8. The electronic cigarette according to claim 7, characterized in that, The electronic cigarette includes: A pressure sensor assembly is disposed in the air intake duct. The pressure sensor assembly is located above the air intake cylinder. The pressure sensor assembly is connected to the inner side of the connecting seat and is opposite to the groove. The connecting seat has a second through hole corresponding to the pressure sensor assembly and the groove.

9. The electronic cigarette according to claim 8, characterized in that, The air pressure sensor assembly includes a fixed base and an air pressure sensor. The fixed base is hollow, and the air pressure sensor is disposed inside the fixed base. An air guide tube is provided on the fixed base. One end of the air guide tube is connected to the interior of the fixed base, and the other end of the air guide tube passes through the second through hole.

10. The electronic cigarette according to claim 9, characterized in that, The second absorbent cotton is connected to the outer wall of the fixing seat, one side of the second absorbent cotton extends to the first through hole and connects to the inner side of the connecting seat, and the second absorbent cotton has an absorbent hole corresponding to the first through hole.

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