Atomization device

Abstract

The utility model provides an atomization device which comprises a shell, the shell comprises a front shell and a back shell which are oppositely arranged, and a mounting space defined by the front shell and the back shell comprises a first containing cavity and a first mounting cavity; an atomization assembly and a liquid storage assembly. According to the atomization device, the area, covering the liquid storage assembly, of the front shell is larger than the area, not covering the liquid storage assembly, of the front shell; and / or, the area of the liquid storage assembly covered by the back shell is larger than the area of the liquid storage assembly not covered by the back shell, most of the area of the liquid storage assembly is covered by the front shell and / or the back shell, the interference area or the interference structure of the liquid storage assembly and the shell is increased, and therefore the structural stability of the atomization device is improved. And the front shell and / or the back shell cover the assembly position of the liquid storage assembly and the atomization assembly, so that the design feeling of a product is improved, and the use experience of a user is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electronic atomization, and in particular to an atomization device. Background Art

[0002] An electronic atomization device is a device that atomizes the atomized matrix into an aerosol for the user to use. It is widely used in the electronic cigarette, medical, and beauty industries. The atomization matrix capacity of existing electronic atomization devices is relatively small. When the components in the electronic atomization device can still be used, they need to be replaced frequently, resulting in a waste of resources and being detrimental to environmental protection. Although the atomization matrix capacity of some electronic atomization devices is relatively large, the atomization matrix is ​​prone to leakage during transportation and storage, affecting the normal use of users. Utility Model Content

[0003] The present application provides an atomizing device, which solves the problem of poor structural stability caused by obvious seams between the front and back sides of the shell of the existing atomizing device.

[0004] In order to solve the above problems, the present application provides an atomization device, comprising: a shell, the shell comprising a front shell and a back shell arranged opposite to each other, the front shell and the back shell are arranged to form an installation space, the installation space comprises a first accommodating cavity and a first installation cavity; an atomization component, the atomization component is arranged in the first accommodating cavity, and is used to heat an atomization matrix to generate an aerosol; a liquid storage component, the liquid storage component is arranged in the first installation cavity, is detachably connected to the atomization component, and is used to supply the atomization matrix to the atomization component, and in the orthographic projection direction, the area covered by the front shell of the liquid storage component is larger than the area not covered by the front shell; and / or the area covered by the back shell of the liquid storage component is larger than the area not covered by the back shell of the liquid storage component.

[0005] In one embodiment, the atomization device further includes a power supply component, the installation space further includes a second installation cavity, the power supply component is disposed in the second installation cavity, and the power supply component is used to provide electrical energy to the atomization component.

[0006] In one embodiment, in the orthographic projection direction, the area covered by the front shell of the power supply component is larger than the area not covered by the front shell of the power supply component; and / or, the area covered by the back shell of the power supply component is larger than the area not covered by the back shell of the power supply component.

[0007] In one embodiment, the power supply assembly is detachably connected to the atomization assembly.

[0008] In one embodiment, the shell further includes a side shell and a bracket, the side shell is respectively connected to the front shell and the back shell, and the bracket separates the second installation cavity from the first installation cavity.

[0009] In one embodiment, the power supply assembly further includes a locking structure, and the side shell is provided with a slot structure adapted to the locking structure.

[0010] In one embodiment, an assembly direction of the liquid storage component into the first installation cavity is the same as an assembly direction of the power supply component into the second installation cavity.

[0011] In one embodiment, the power supply assembly is slidably connected to the shell via a guide rail structure.

[0012] In one embodiment, the liquid storage assembly is slidably connected to the front shell or the back shell via a guide rail structure.

[0013] In one embodiment, the liquid storage assembly includes a first sunken shell and a first protruding shell, the first sunken shell is arranged in the first installation cavity, and the first protruding shell is respectively connected to the side wall of the front shell and the side wall of the back shell.

[0014] The present application provides an atomization device, comprising: a housing, the housing comprising a front housing and a back housing arranged oppositely, the installation space formed by the front housing and the back housing comprising a first accommodating cavity and a first installation cavity; an atomization component, the atomization component is arranged in the first accommodating cavity, and is used to heat the atomization matrix to generate an aerosol; a liquid storage component, the liquid storage component is arranged in the first installation cavity, and is detachably connected to the atomization component, and is used to supply the atomization matrix to the atomization component, and in the orthographic projection direction, the area of ​​the liquid storage component covered by the front housing is larger than the area of ​​the liquid storage component not covered by the front housing; and / or, the area of ​​the liquid storage component covered by the back housing is larger than the area of ​​the liquid storage component not covered by the back housing. The atomization device provided by the present application has an area of ​​the liquid storage component covered by the front housing that is larger than the area of ​​the liquid storage component not covered by the front housing; and / or, the area of ​​the liquid storage component covered by the back housing is larger than the area of ​​the liquid storage component not covered by the back housing, and most of the area of ​​the liquid storage component is covered by the front housing and / or the back housing, and the interference area or interference structure between the liquid storage component and the housing is increased, thereby improving the structural stability of the atomization device. Moreover, the front shell and / or the back shell covers the assembly position of the liquid storage component and the atomization component, which is beneficial to improving the design sense of the product and the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 An exploded structural diagram of a component of an atomization device provided in this embodiment;

[0016] Figure 2 A cross-sectional view of a shell of an atomization device provided in this embodiment;

[0017] Figure 3 A schematic structural diagram of a liquid storage assembly of an atomization device provided in another embodiment;

[0018] Figure 4 A schematic structural diagram of a battery assembly of an atomization device provided in another embodiment.

[0019] The reference numerals are as follows:

[0020] 100-shell, 101-front shell, 102-side shell, 103-back shell, 104-first installation cavity, 105-first guide groove, 106-first limiting groove, 107-second installation cavity, 108-first accommodating cavity, 109-second card slot, 110-bracket, 200-liquid storage assembly, 201-first protruding shell, 202-first sinking shell, 203-first guide protrusion, 204-first limiting protrusion, 300-power supply assembly, 301-second protruding shell, 302-second sinking shell, 303-second buckle, 400-atomization assembly. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0022] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0023] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0024] Currently, there is an electronic atomization device with a replaceable atomization matrix, in which the liquid storage bottle of the atomization matrix is ​​spliced ​​onto the electronic atomization component as a part of the shell of the electronic atomization device. The electronic atomization device installed in this way has poor structural stability, which affects the user's experience.

[0025] Based on the above technical problems, the present embodiment provides an atomization device, including: a shell, the shell including a front shell 101 and a back shell 103 that are relatively arranged, the front shell 101 and the back shell 103 are surrounded to form an installation space, and the installation space includes a first accommodating cavity 108 and a first installation cavity 104; an atomization component 400, the atomization component 400 is arranged in the first accommodating cavity 108, and is used to heat the atomization matrix to generate an aerosol; a liquid storage component 200, the liquid storage component 200 is arranged in the first installation cavity 104, and is detachably connected to the atomization component 400, and is used to supply the atomization matrix to the atomization component 400, and in the orthographic projection direction, the area of ​​the liquid storage component 200 covered by the front shell 101 is larger than the area of ​​the liquid storage component 200 not covered by the front shell 101; and / or, the area of ​​the liquid storage component 200 covered by the back shell 103 is larger than the area of ​​the liquid storage component 200 not covered by the back shell 103.

[0026] See also Figure 1 and Figure 2 , Figure 1 An exploded structural diagram of a component of an atomization device provided in this embodiment, Figure 2 The embodiment of the present invention provides a nebulizer housing 100. The nebulizer housing 100 is a cross-sectional view of a nebulizer housing 100. The embodiment of the present invention provides a nebulizer housing 100. The nebulizer housing 100 can be used for nebulizing a nebulizer substrate. The nebulizer housing 100 includes a housing 100, a liquid storage assembly 200, and a nebulizer assembly 400. The nebulizer assembly 400 is located at Figure 2 The upper side of the atomizing device is shown.

[0027] The housing 100 has a front housing 101 and a back housing 103 which are arranged opposite to each other. The housing 100 is provided with a first accommodating cavity 108 and a first mounting cavity 104. The first accommodating cavity 108 is located at Figure 2The upper side of the atomizing device shown is used to accommodate the atomizing assembly 400. It should be noted that in this embodiment, the orthographic projection direction refers to the projection in the direction perpendicular to the plane where the front shell 101 and the back shell 103 are located, and the area of ​​the liquid storage assembly 200 covered by the front shell 101 is greater than the area of ​​the liquid storage assembly 200 not covered by the front shell 101; and / or, the area of ​​the liquid storage assembly 200 covered by the back shell 103 is greater than the area of ​​the liquid storage assembly 200 not covered by the back shell 103, and the front shell 101 and the back shell 103 cover most of the liquid storage assembly 200, increase the interference area or interference structure of the liquid storage assembly 200 and the housing 100, and effectively improve the structural stability of the atomizing device. And the front shell 101 and / or the back shell 103 cover the assembly position of the liquid storage assembly 200 and the atomizing assembly 400, which is conducive to improving the design sense of the product and improving the user's experience.

[0028] The liquid storage assembly 200 is used to store the atomization matrix, and the liquid storage assembly 200 is loaded and unloaded into the first installation cavity 104 of the atomization device through the first opening of the housing 100. The first opening can be provided on the side of the housing 100.

[0029] The atomizing assembly 400 is arranged in the housing 100, and the atomizing assembly 400 is mainly used to heat the atomizing matrix to generate aerosol. The atomizing assembly 400 in the atomizing device is provided with an atomizing channel, and the two ends of the atomizing channel are respectively connected to the air inlet channel and the air outlet channel, that is, the end of the atomizing channel connected to the air inlet channel is its air inlet, and the end of the atomizing channel connected to the air outlet channel is its air outlet. The airflow enters the electronic atomizing device from the air inlet channel, passes through the atomizing core in the atomizing channel, carries the aerosol atomized by the atomizing core, and then overflows from the air outlet channel of the suction nozzle for use by the user. The above structure is Figure 1 and Figure 2 The description here is only for the purpose of understanding the working principle and working process of the atomization assembly 400 of the atomization device provided in this embodiment.

[0030] In some embodiments, the housing 100 is a flat structure, and the areas of the front housing 101 of the housing 100 and the back housing 103 of the housing 100 are greater than the area of ​​the side housing 102 of the housing 100 .

[0031] See also Figure 1 and Figure 2 The shell 100 is a flat structure, and the areas of the front shell 101 of the shell 100 and the back shell 103 of the shell 100 are larger than the area of ​​the side shell 102 of the shell 100. Setting the shell 100 as a flat structure can reduce the thickness of the atomization device and improve portability.

[0032] In some embodiments, the liquid storage assembly 200 includes a first sunken shell 202 and a first protruding shell 201; the first sunken shell 202 is disposed in the first installation cavity 104, and the first protruding shell 201 is connected to the side wall of the front shell 101 and the side wall of the back shell 103 respectively.

[0033] See also Figure 1 and Figure 3 , Figure 3 A schematic diagram of the structure of a liquid storage assembly 200 of an atomizing device provided in this embodiment. The liquid storage assembly 200 includes a first sunken shell 202 and a first protruding shell 201, wherein the first sunken shell 202 is arranged in the first installation cavity 104 when the liquid storage assembly 200 is installed, and when the liquid storage assembly 200 is installed in place, the first protruding shell 201 is connected to the side wall of the front shell 101 and the side wall of the back shell 103 respectively, and the first protruding shell 201 is connected to the front shell 101 of the shell 100, the back of the shell 100 and the side shell 102 of the shell 100 to form a smooth transition surface, which can improve the integrity of the atomizing assembly 400, enhance the aesthetics and grip feel of the atomizing device, and also play a role in limiting, increasing interference and further improving the stability of the structure.

[0034] In some embodiments, the liquid storage assembly 200 is slidably connected to the front shell 101 or the back shell 103 via a guide rail structure.

[0035] See also Figure 2 and Figure 3 , Figure 2 and Figure 3 The liquid storage assembly 200 is slidably connected to the front shell 101 or the back shell 103 through a guide rail structure. Figure 2 and Figure 3 The middle guide rail structure is composed of a first guide groove 105 and a first guide protrusion 203. The first guide groove 105 is provided on the inner side of the front shell 101 of the housing 100 and the inner side of the back shell 103 of the housing 100. The first guide protrusion 203 cooperating with the first guide groove 105 is provided on the front and back of the first sinking housing 202 of the liquid storage assembly 200. It can be understood that the first guide protrusion 203 can be one or more convex points or can be Figure 3The convex strips shown may also be a combination of convex points and convex strips. At the same time, the number of the first guide grooves 105 may be one or more. The number of the corresponding first guide protrusions 203 is usually the same as the number of the first guide grooves 105, and is not limited here. It is understandable that in some embodiments, the setting positions of the first guide grooves 105 and the first guide protrusions 203 may also be interchangeable. In some embodiments, in addition to the above-mentioned matching methods of the guide grooves and guide protrusions, the first guide portion and the first guide matching portion also include but are not limited to magnetic matching guides, roller guides, and ball guides. In this embodiment, the liquid storage component 200 is guided during the process of loading and unloading the liquid storage component 200 through the matching of the first guide portion and the first guide matching portion, thereby improving the smoothness of loading and unloading and enhancing the user experience.

[0036] In some embodiments, a first limiting portion is further provided on the surface of the first installation cavity 104 ; and a first limiting matching portion matching with the first limiting portion is provided on the surface of the first sinking shell 202 .

[0037] See also Figure 2 and Figure 3 , Figure 2 and Figure 3 The first limiting portion is the first limiting groove 106, and the first limiting matching portion is the first limiting protrusion 204. The first limiting groove 106 is provided on the surface of the first installation cavity 104 in the housing 100, and the first limiting protrusion 204 matching the first limiting groove 106 is provided on the surface of the first sinking housing 202 of the liquid storage assembly 200. It can be understood that the first limiting protrusion 204 can be one or more convex points or can be Figure 3 The convex strips shown may also be a combination of convex points and convex strips. At the same time, the number of the first limiting grooves 106 may be one or more. The number of the corresponding first limiting protrusions 204 is usually the same as the number of the first limiting grooves 106, which is not limited here. It is understandable that in some other embodiments, the positions of the first limiting grooves 106 and the first limiting protrusions 204 may also be interchanged. It should be noted that in some other embodiments, in addition to the above-mentioned cooperation mode of the first limiting grooves 106 and the first limiting protrusions 204, the first limiting portion and the first limiting matching portion also include but are not limited to misaligned matching and magnetic matching. In this embodiment, the cooperation between the first limiting portion and the first limiting matching portion enables the liquid storage component 200 and the shell 100 to be limited and fixed when the liquid storage component 200 is loaded and unloaded, through the cooperation between the first limiting groove 106 and the first limiting protrusion 204, so as to prevent the liquid storage component 200 from slipping, and at the same time provide the user with tactile and auditory feedback of being in place, which is helpful to remind the user whether the installation is in place and improve the user experience.

[0038] In some embodiments, the atomization device further includes a power supply component 300 , the installation space further includes a second installation cavity 107 , the power supply component 300 is disposed in the second installation cavity 107 , and the power supply component 300 is used to provide electrical energy to the atomization component 400 .

[0039] In some embodiments, the area of ​​the power supply component 300 covered by the front shell 101 is larger than the area of ​​the power supply component 300 not covered by the front shell 101; and / or, the area of ​​the power supply component 300 covered by the back shell 103 is larger than the area of ​​the power supply component 300 not covered by the back shell 103.

[0040] By covering most of the power supply assembly 300 with the front shell 101 and the back shell 103, the integrity of the power supply assembly 300 can be improved, the aesthetics and grip of the atomization device can be enhanced, and at the same time, it also plays a role in limiting and increasing interference to further improve the structural stability.

[0041] See also Figure 1 , Figure 2 and Figure 4 , Figure 4 A schematic diagram of the structure of a power supply assembly 300 of an atomization device provided in the present embodiment. The atomization device provided in the present embodiment also includes a power supply assembly 300, and the shell 100 also includes a second installation cavity 107. The shell 100 also includes a second installation cavity 107, and the power supply assembly 300 is arranged in the second installation cavity 107. The shell loads and unloads the power supply assembly 300 through a second opening on the side. The power supply assembly 300 provided in the atomization device provided in the present embodiment can be quickly loaded and unloaded in a detachable manner, which is convenient for the recycling of the power supply assembly 300, which is beneficial to environmental protection, and the battery life of the atomization device can also be increased by replacing the power supply assembly 300.

[0042] In some embodiments, the housing 100 further includes a side shell 102 and a bracket 110 , the side shell 102 being connected to the front shell 101 and the back shell 103 respectively, and the bracket 110 separating the second installation cavity 107 from the first installation cavity 104 .

[0043] common Figure 1 and Figure 2 The side shell 102 is connected to the front shell 101 and the back shell 103 respectively, and the bracket 110 is located between the second installation cavity 107 and the first installation cavity 104 to separate the second installation cavity 107 from the first installation cavity 104.

[0044] In some embodiments, the power supply assembly 300 includes a second sunken shell 302 and a second protruding shell 301; the second sunken shell 302 is provided in a second installation cavity 107, and the second protruding shell 301 is respectively connected to the side wall of the front shell 101 and the side wall of the back shell 103.

[0045] See also Figure 4 The power supply component 300 includes a second sunken shell 302 and a second protruding shell 301. After the power supply component 300 is installed in place, the second sunken shell 302 is located in the second installation cavity 107, and the second protruding shell 301 is respectively connected to the side wall of the front shell 101 and the side wall of the back shell 103, wherein the second protruding shell 301 is connected to the front shell 101 of the shell 100, the back of the shell 100 and the side shell 102 of the shell 100 to be spliced ​​into a smooth transition surface, which can improve the integrity of the power supply component 300, enhance the aesthetics and grip of the atomization device, and also play a role in limiting, increasing interference and further improving the structural stability.

[0046] In some embodiments, the power supply assembly 300 further includes a locking structure, and the side shell 102 is provided with a slot structure adapted to the locking structure.

[0047] See also Figure 2 and Figure 4 , Figure 2 and Figure 4 The locking structure in the embodiment is the second buckle 303, and the slot structure adapted by the locking structure is the second slot 109. The second protruding shell 301 of the power supply assembly 300 also includes a second buckle 303, and the corresponding side shell 102 of the shell 100 is also provided with a second slot 109 that cooperates with the second buckle 303. When the power supply assembly 300 is installed in place, the second buckle 303 and the second slot 109 cooperate to fix the power supply assembly 300. When the power supply assembly 300 needs to be removed, it is only necessary to press the second buckle 303 to let the second buckle 303 pop out of the second slot 109 to quickly remove the power supply assembly 300. It can be understood that the second guide protrusion of the power supply assembly 300 can also be provided on the surface of the second installation cavity 107, and the corresponding second guide portion that cooperates with the second guide matching portion is also provided on the power supply assembly 300. It should be noted that in some other embodiments, the cooperation relationship between the second fixing portion and the second fixed cooperation portion, in addition to the above-mentioned cooperation mode of the second buckle 303 and the second slot 109, also includes but is not limited to magnetic cooperation fixation, adhesive cooperation fixation and fastener cooperation fixation.

[0048] In some embodiments, an assembly direction of the liquid storage assembly into the first installation cavity is the same as an assembly direction of the power supply assembly into the second installation cavity.

[0049] See also Figure 1 and Figure 2 The first opening and the second opening are arranged at the bottom of the shell 100, so that the assembly direction of the liquid storage component into the first installation cavity is the same as the assembly direction of the power supply component into the second installation cavity, which can reduce the excessive cutting of the side shell 102 of the shell 100 by the two openings, and is also beneficial to improving the space utilization inside the shell 100 and reducing the volume of the atomization device. Figure 1 and Figure 2 In the atomizer device shown, the first protruding shell 201 of the liquid storage assembly 200 and the second protruding shell 301 of the power supply assembly 300 are connected and spliced ​​to form a smooth transition surface, which together constitute the bottom side shell 102 of the atomizer device.

[0050] In some embodiments, the power supply assembly 300 is slidably connected to the housing 100 via a guide rail structure.

[0051] See also Figure 2 and Figure 4 , Figure 2 and Figure 4 The power supply assembly 300 is slidably connected to the front shell 101 or the back shell 103 through a guide rail structure. Figure 2 and Figure 4 The middle rail structure is composed of protrusions on both sides of the bracket 110 and corresponding grooves at the position where the power supply assembly 300 contacts the bracket 110. It can be understood that the protrusions of the bracket 110 can be one or more protrusions or can be Figure 4 The convex strips shown may also be a combination of convex points and convex strips, and the number of protrusions of the bracket 110 may be one or more, and the number of protrusions of the corresponding bracket 110 is usually the same as the number of grooves of the power supply component 300, which is not limited here. It is understandable that in some embodiments, the setting positions of the protrusions of the bracket 110 and the grooves of the power supply component 300 may also be interchangeable. In this embodiment, the power supply component 300 is guided during the process of loading and unloading the power supply component 300 through the coordination of the protrusions of the bracket 110 and the grooves of the power supply component 300, thereby improving the smoothness of loading and unloading and enhancing the user experience.

[0052] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. An atomizing device, characterized in that: include: A housing, the housing comprising a front housing and a back housing that are arranged opposite to each other, the front housing and the back housing are arranged to form an installation space, and the installation space comprises a first accommodating cavity and a first installation cavity; An atomizing assembly, the atomizing assembly being disposed in the first containing chamber and being used for heating an atomizing matrix to generate an aerosol; A liquid storage assembly, the liquid storage assembly is arranged in the first installation cavity, is detachably connected to the atomizing assembly, and is used to supply the atomizing matrix to the atomizing assembly, and in the orthographic projection direction, the area covered by the front shell of the liquid storage assembly is larger than the area not covered by the front shell of the liquid storage assembly; and / or, The area of ​​the liquid storage component covered by the back cover is larger than the area of ​​the liquid storage component not covered by the back cover.

2. The atomizing device according to claim 1, characterized in that The atomization device further includes a power supply component, and the installation space further includes a second installation cavity. The power supply component is arranged in the second installation cavity, and the power supply component is used to provide electrical energy to the atomization component.

3. The atomizing device according to claim 2, characterized in that In the orthographic projection direction, the area of ​​the power supply component covered by the front shell is larger than the area of ​​the power supply component not covered by the front shell; and / or, The area of ​​the rear cover covering the power supply assembly is larger than the area of ​​the rear cover not covering the power supply assembly.

4. The atomizing device according to claim 2, characterized in that: The power supply assembly is detachably connected to the atomization assembly.

5. The atomizing device according to claim 4, characterized in that: The shell further includes a side shell and a bracket, wherein the side shell is connected to the front shell and the back shell respectively, and the bracket separates the second installation cavity from the first installation cavity.

6. The atomizing device according to claim 5, characterized in that: The power supply assembly also includes a locking structure, and the side shell is provided with a slot structure adapted to the locking structure.

7. The atomizing device according to claim 5, characterized in that: An assembly direction of the liquid storage component into the first installation cavity is the same as an assembly direction of the power supply component into the second installation cavity.

8. The atomizing device according to claim 4, characterized in that: The power supply assembly is slidably connected to the shell through a guide rail structure.

9. The atomizing device according to claim 1, characterized in that: The liquid storage assembly is slidably connected to the front shell or the back shell via a guide rail structure.

10. The atomizing device according to claim 1, characterized in that: The liquid storage assembly includes a first sunken shell and a first protruding shell, the first sunken shell is arranged in the first installation cavity, and the first protruding shell is respectively connected to the side wall of the front shell and the side wall of the back shell.

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