Water tank assembly structure and cooling fan

Abstract

The present invention relates to the technical field of household electrical appliances, and in particular to a water tank assembly structure and a cooling fan, wherein the water tank assembly structure comprises: a water tank structure; a fuselage having a base, wherein the fuselage is rotatably arranged on the water tank structure and has a first position in a free state and a second position suitable for being locked with the water tank structure; and a locking assembly, which is used to lock the fuselage in the second position. During assembly, the base is mounted on the water tank structure, and then the base is rotated to rotate to the second position, and the base is locked in the second position by the locking assembly. During assembly, the locking assembly can be hidden on the rear side, so that the front of the water tank structure looks free of protrusions or pits, and the appearance is more beautiful. At the same time, since the water tank structure is separable from the fuselage, it is convenient for users to clean the water tank structure, and the volume is large, and there is no need to add water frequently.

Description

Technical Field

[0001] The invention relates to the technical field of household electrical appliances, and in particular to a water tank assembly structure and a cooling fan. Background Art

[0002] There are several ways to assemble the water tank of the cooling fan on the market: integrated water tank: the water tank is fixed to the body and cannot be removed, which is inconvenient to clean and has a poor user experience; pull-out water tank: because the water tank is inside the shell, the water tank capacity is small, and users need to add water frequently when using it, which has a poor user experience; split water tank: the entire water tank can be separated from the body, which is easy to clean, has a large capacity, and does not require frequent water addition.

[0003] The existing split water tank and the fuselage are mostly fixed by providing lock buckles on both sides of the fuselage, which are buckled with the water tank through two lock buckles. In this way, the lock buckles protrude from the fuselage from the front, or there are pits on the water tank, and the lock buckles are hidden in the pits, and obvious protrusions or pits can be seen from the front, which is not good-looking. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect of the water tank assembly structure in the prior art that the appearance is not good, thereby providing a water tank assembly structure and a cooling fan with beautiful appearance.

[0005] In order to solve the above technical problems, the present invention provides a water tank assembly structure, comprising:

[0006] Water tank structure;

[0007] A fuselage having a base, the fuselage being rotatably arranged on the water tank structure and having a first position in a free state and a second position suitable for being locked with the water tank structure;

[0008] A locking assembly is used to lock the body in the second position.

[0009] Optionally, a mounting portion is provided on the water tank structure, and the locking assembly comprises:

[0010] A first locking block, arranged on the base;

[0011] A button is slidably disposed in the mounting portion and has an initial position and a pressing position. When the button is located at the initial position and the body is at the second position, the button cooperates with the first locking block to prevent the body from rotating toward the first position.

[0012] Optionally, an elastic member is provided between the button and the mounting portion, and the elastic force of the elastic member is used to reset the button to the initial position.

[0013] Optionally, a groove is provided on the bottom surface of the button, the groove has a first side wall away from the center of the water tank structure, a first step surface is provided in the mounting portion, and the elastic member is arranged in the groove and located between the first side wall and the first step surface.

[0014] Optionally, a second locking block is provided on the button, and when the button is located at the initial position and the body is at the second position, the second locking block cooperates with the first locking block to prevent the body from rotating toward the first position.

[0015] Optionally, the first locking block includes a first inclined surface and a first vertical surface, and the second locking block includes a second inclined surface and a second vertical surface. When the base rotates from the first position to the second position, the first inclined surface cooperates with the second inclined surface to drive the button to move toward the pressing position. When the base rotates to the second position, the second inclined surface leaves the first inclined surface, and under the action of the elastic member, the button moves toward an initial position so that the first vertical surface is in contact with the second vertical surface. The second vertical surface is used to prevent the body from rotating toward the first position.

[0016] Optionally, the first locking block is a triangular prism structure, and the first locking block also includes a third inclined surface connecting the first inclined surface and the first vertical surface. The button is also provided with a fourth inclined surface. When the button is pressed, the fourth inclined surface cooperates with the third inclined surface to drive the third inclined surface to move along the fourth inclined surface so that the fuselage rotates toward the first position.

[0017] Optionally, a buckle is provided on the button, the mounting portion has an inner end surface facing the center of the water tank structure, and the buckle is suitable for abutting against the inner end surface.

[0018] Optionally, a second step surface is further provided in the mounting portion, and the button includes a pressing portion, and when the button is located at a maximum pressing position, the pressing portion abuts against the second step surface.

[0019] Optionally, at least one notch is provided on the water tank structure, at least one boss is provided on the inner wall of the water tank structure, and an insertion tongue is provided on the base, the insertion tongue is suitable for being inserted into the notch, and when the fuselage is in the second position, the insertion tongue is supported under the boss.

[0020] Optionally, a downwardly extending boss is provided at the lower end of the boss, and a slot with an upward opening is provided on the inserting tongue, and when the body is in the second position, the boss is inserted into the slot.

[0021] Optionally, there are two bosses, and the two bosses are arranged opposite to each other, one boss is arranged on the front side of the water tank structure, and the other boss is arranged on the rear side of the water tank structure. Correspondingly, there are two tongues.

[0022] Optionally, the mounting portion is disposed at a position close to the boss on the rear side of the water tank structure.

[0023] Optionally, the water tank structure includes a water tank body and a decorative ring, and the notch and the mounting portion are arranged on the decorative ring.

[0024] The invention also provides a cooling fan, comprising the water tank assembly structure.

[0025] The technical solution of the present invention has the following advantages:

[0026] 1. The water tank assembly structure provided by the present invention, during assembly, the base is installed on the water tank structure, and then the base is rotated to the second position, and the base is locked in the second position by a locking assembly. During assembly, the locking assembly can be hidden at the rear side, so that the front of the water tank structure looks like there are no bulges or pits, and the appearance is more beautiful. At the same time, since the water tank structure can be separated from the body, it is convenient for users to clean the water tank structure, and the volume is large, and there is no need to add water frequently. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A cross-sectional view of the water tank assembly structure provided in Embodiment 1 of the present invention;

[0029] Figure 2 for Figure 1 A partial enlarged view of

[0030] Figure 3 An exploded view of the water tank assembly structure provided in Embodiment 1 of the present invention;

[0031] Figure 4 for Figure 3 A schematic diagram of the structure of the middle base from an upward viewing angle;

[0032] Figure 5 for Figure 3 A schematic diagram of the structure of the middle base from a front view angle;

[0033] Figure 6 for Figure 3 Schematic diagram of the structure of the middle decorative ring;

[0034] Figure 7 for Figure 6 A cross-sectional view of

[0035] Figure 8 for Figure 3 Schematic diagram of the structure at the top of the middle button;

[0036] Fig. 9 for Figure 3 Schematic diagram of the structure at the bottom of the middle button;

[0037] Fig.10 for Figure 3 Schematic diagram of the structure of the medium water tank body;

[0038] Fig.11 It is a cross-sectional view of the water tank assembly structure when the fuselage is in the first position;

[0039] Fig.12 It is a structural schematic diagram of the water tank assembly structure from an upward angle when the fuselage is in the first position;

[0040] Fig.13 It is a structural schematic diagram of the water tank assembly structure from a rear view angle when the fuselage is in the first position;

[0041] Fig.14 is a cross-sectional view of the water tank assembly structure when the fuselage is in the second position;

[0042] Fig.15 is a structural schematic diagram of the water tank assembly structure when the fuselage is in the second position, viewed from an upward angle;

[0043] Fig.16 It is a structural schematic diagram of the water tank assembly structure from a rear view angle when the fuselage is in the second position;

[0044] Fig.17 It is an internal cross-sectional view of the water tank assembly structure when the fuselage is in the first position;

[0045] Fig.18 is a schematic diagram of the body rotating from the first position to the second position;

[0046] Fig.19 is a schematic diagram of the fuselage rotating to the second position;

[0047] Fig. 20 It is a schematic diagram of the button returning to the initial position when the body is rotated to the second position;

[0048] Fig.21 is a schematic diagram of the body rotating from the second position to the first position when the button is pressed;

[0049] Fig. 22 A schematic diagram showing the state in which the button is pressed to the maximum pressing position and the body is rotated to the first position;

[0050] Fig.23 This is a schematic diagram of the case where the body is rotated to the first position and the button is reset to the initial position.

[0051] Description of reference numerals:

[0052] 1-base; 101-insertion tongue; 102-slot; 103-first locking block; 1031-first inclined plane; 1032-first vertical plane; 1033-third inclined plane;

[0053] 2-decorative ring; 201-notch; 202-installation portion; 203-inner end surface; 204-first step surface; 205-second step surface;

[0054] 3-button; 301-pressing portion; 302-second locking block; 3021-second inclined surface; 3022-second vertical surface; 303-fourth inclined surface; 304-buckle; 305-groove; 3051-first side wall;

[0055] 4 - water tank body; 401 - boss; 402 - boss;

[0056] 5-Elastic parts. DETAILED DESCRIPTION

[0057] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0058] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0059] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0061] Example 1

[0062] This embodiment provides a water tank assembly structure. In one implementation, Figures 1 to 16 As shown, the water tank assembly structure includes a water tank structure, a fuselage, and a locking component.

[0063] The fuselage has a base 1, and the fuselage is rotatably arranged on the water tank structure, and has a first position in a free state and a second position suitable for locking with the water tank structure; the locking assembly is used to lock the fuselage in the second position.

[0064] The water tank assembly structure provided in this embodiment is assembled by installing the base 1 on the water tank structure, then rotating the base 1 to rotate it to the second position, and locking the base 1 in the second position by means of a locking assembly. During assembly, the locking assembly can be hidden at the rear side, so that the front of the water tank structure has no protrusions or pits, and the appearance is more beautiful. At the same time, since the water tank structure can be separated from the body, it is convenient for users to clean the water tank structure, and the water tank structure has a large volume and does not need to be frequently added with water.

[0065] On the basis of the above embodiments, in one embodiment, a mounting portion 202 is provided on the water tank structure, and the locking assembly includes a first locking block 103 and a button 3. The first locking block 103 is provided on the base 1; the button 3 is slidably provided in the mounting portion 202, and has an initial position and a pressing position. When the button 3 is in the initial position and the fuselage is in the second position, the button 3 cooperates with the first locking block 103 to prevent the fuselage from rotating toward the first position. In this embodiment, when the fuselage rotates to the second position, the button 3 is located in the initial position, and the button 3 can prevent the fuselage from rotating toward the first position, thereby locking the fuselage at the second position. The structure is simple, and there is no need to set a protrusion or a pit on the outside of the water tank structure, and the appearance is more beautiful. In an alternative embodiment, the locking assembly may include a first locking block 103 and a knob, wherein the knob is rotatably provided in the mounting portion 202, and a locking portion suitable for abutting against the first locking block 103 is provided on the knob. When the knob is rotated until the locking portion abuts against the first locking block 103, the fuselage can be prevented from rotating toward the first position.

[0066] On the basis of the above embodiment, in a preferred embodiment, an elastic member 5 is provided between the button 3 and the mounting portion 202, and the elastic force of the elastic member 5 is used to reset the button 3 to the initial position. In this embodiment, when the lock of the body needs to be released, the button 3 can be pressed to make the button 3 leave the first locking block 103, and the body can be rotated to the first position. After releasing the pressure on the button 3, the button 3 can automatically reset to the initial position.

[0067] In one specific embodiment, the elastic member 5 is a spring. In other alternative embodiments, the elastic member 5 can be a spring block made of an oil-elastic material.

[0068] In one embodiment, a groove 305 is provided on the bottom surface of the button 3, and the groove 305 has a first side wall 3051 away from the center of the water tank structure, a first step surface 204 is provided in the mounting portion 202, and the elastic member 5 is disposed in the groove 305 and located between the first side wall 3051 and the first step surface 204. The groove 305 is provided on the bottom surface of the button 3 to facilitate the installation and fixing of the elastic member 5. In other alternative embodiments, the button 3 includes a pressing portion 301, and the groove 305 does not need to be provided on the bottom of the button 3, and the elastic member 5 is directly fixed between the pressing portion 301 and the first step surface 204.

[0069] On the basis of the above embodiment, in a preferred embodiment, a second locking block 302 is provided on the button 3, and when the button 3 is in the initial position and the body is in the second position, the second locking block 302 cooperates with the first locking block 103 to prevent the body from rotating toward the first position. In this embodiment, when the body is in the second position and the button 3 is in the initial position, the second locking block 302 is located on one side of the first locking block 103 in the direction of rotation toward the first position, thereby preventing the body from rotating toward the first position.

[0070] On the basis of the above-mentioned embodiment, in a preferred embodiment, the first locking block 103 includes a first inclined surface 1031 and a first vertical surface 1032, and the second locking block 302 includes a second inclined surface 3021 and a second vertical surface 3022. When the base 1 rotates from the first position to the second position, the first inclined surface 1031 cooperates with the second inclined surface 3021 to drive the button 3 to move toward the pressing position. When the base 1 rotates to the second position, the second inclined surface 3021 leaves the first inclined surface 1031, and under the action of the elastic member 5, the button 3 moves toward the initial position so that the first vertical surface 1032 and the second vertical surface 3022 are in contact with each other, and the second vertical surface 3022 is used to prevent the body from rotating toward the first position. Fig.17 As shown, when the base 1 is in the first position, the first locking block 103 is away from the second locking block 302, the second locking block 302 does not restrict the first locking block 103, and the base 1 can rotate toward the second position. Fig.18 , the base 1 rotates clockwise, when the first inclined surface 1031 contacts the second inclined surface 3021, since the base 1 rotates and the water tank structure is fixed, the first inclined surface 1031 will squeeze the second inclined surface 3021, so that the button 3 moves toward the inside of the water tank structure. During the movement of the button 3, the elastic member 5 is compressed to generate elastic force. When the base 1 rotates to the second position, as shown in FIG. Fig.19 As shown, at this time, the second locking block 302 is located at the upper right side of the first locking block 103, and the button 3 is under the elastic force of the elastic member 5, as shown in FIG. Fig. 20 As shown, the second locking block 302 is reset to the initial position, and is located on the right side of the first locking block 103, thereby preventing the base 1 from rotating in the counterclockwise direction, that is, preventing the base 1 from rotating to the first position. The structure of this embodiment is cleverly designed so that the base 1 automatically drives the button 3 to move when rotating, without the need for additional manual operation, and is convenient for manual assembly of the base 1. In other replaceable embodiments, when the body rotates from the first position to the second position, the button 3 can be manually pressed to allow the body to smoothly rotate to the second position. When the body rotates to the second position, the button 3 is released, and under the action of the elastic force, the button 3 is reset to the initial position, and the button 3 prevents the base 1 from rotating to the first position.

[0071] On the basis of the above embodiments, in a preferred embodiment, the first locking block 103 is a triangular prism structure, and the first locking block 103 further includes a third inclined surface 1033 connecting the first inclined surface 1031 and the first vertical surface 1032. The button 3 is further provided with a fourth inclined surface 303. When the button 3 is pressed, the fourth inclined surface 303 cooperates with the third inclined surface 1033 to drive the third inclined surface 1033 to move along the fourth inclined surface 303, so that the fuselage rotates toward the first position. In this embodiment, when it is necessary to separate the water tank structure from the fuselage, the button 3 is pressed, and the second locking block 302 leaves the first locking block 103, as shown in FIG. Fig.21 As shown, the fourth inclined surface 303 on the button 3 contacts the third inclined surface 1033 of the first locking block 103, and the button 3 moves toward the inner side of the water tank structure, so that the third inclined surface 1033 of the first locking block 103 moves relative to the fourth inclined surface 303, and the fuselage rotates counterclockwise, that is, rotates toward the first position. When the fuselage rotates to the first position, as shown in FIG. Fig. 22 As shown, at this time, the button 3 is at the maximum pressing position, the first locking block 103 moves to the lower end of the fourth inclined surface 303, and then the button 3 is released, as shown in FIG. Fig.23 As shown, the button 3 is reset to the initial position under the elastic force of the elastic member 5. In this structure of the present embodiment, the base 1 is automatically driven to rotate during the process of pressing the button 3, and there is no need to manually rotate the base 1, which reduces the workload of manual operation and facilitates the user to separate the body from the water tank structure. At the same time, there are no protrusions or pits outside the water tank structure, and the appearance is more beautiful. In other alternative embodiments, the fourth inclined surface 303 may not be set on the button 3. When the button 3 is manually pressed, the body is manually rotated to rotate to the first position.

[0072] On the basis of the above embodiment, in one embodiment, a buckle 304 is provided on the button 3, the mounting portion 202 has an inner end surface 203 facing the center of the water tank structure, and the buckle 304 is suitable for abutting against the inner end surface 203. In this embodiment, the buckle 304 can prevent the button 3 from coming out of the mounting portion 202.

[0073] On the basis of the above embodiment, in one embodiment, a second step surface 205 is further provided in the mounting portion 202, and the button 3 includes a pressing portion 301. When the button 3 is at the maximum pressing position, the pressing portion 301 abuts against the second step surface 205. The provision of the second step surface 205 limits the movement of the button 3 during the pressing of the button 3, and prevents the button 3 from entering the water tank structure due to excessive pressing.

[0074] On the basis of the above embodiments, in one embodiment, at least one notch 201 is provided on the water tank structure, at least one boss 401 is provided on the inner wall of the water tank structure, and a plug tongue 101 is provided on the base 1, and the plug tongue 101 is suitable for being inserted into the notch 201, and when the fuselage is in the second position, the plug tongue 101 is supported under the boss 401. In this embodiment, when the fuselage is in the second position, the plug tongue 101 is supported under the boss 401, which can prevent the water tank structure from falling off the fuselage when the water tank assembly structure is carried.

[0075] On the basis of the above-mentioned embodiments, in a preferred embodiment, a downwardly extending boss 402 is provided at the lower end of the boss 401, and a slot 102 with an upward opening is provided on the plug tongue 101, and when the body is in the second position, the boss 402 is inserted into the slot 102. In this embodiment, since the boss 402 is inserted into the slot 102, the water tank structure can be limited in the radial direction, and the plug tongue 101 is prevented from leaving the lower end of the boss 401 when the water tank structure is expanded and deformed outward, thereby further ensuring the assembly stability of the water tank assembly structure.

[0076] On the basis of the above embodiments, in a preferred embodiment, two bosses 401 are provided, and the two bosses 401 are arranged opposite to each other, one boss 401 is arranged at the front side of the water tank structure, and the other boss 401 is arranged at the rear side of the water tank structure, and correspondingly, two plug tongues 101 are provided. In this embodiment, the water tank structure and the base 1 are connected by two plug tongues 101 and bosses 401, which can further ensure the assembly stability of the water tank assembly structure. In other alternative embodiments, the number of notches 201 can be set to 3, and correspondingly, 3 bosses 401 are provided, and 3 plug tongues 101 are provided.

[0077] On the basis of the above embodiment, in a preferred embodiment, the mounting portion 202 is arranged at a position close to the boss 401 at the rear side of the water tank structure. In this embodiment, there is no pit or protrusion at the front end of the water tank structure, and the appearance is beautiful.

[0078] On the basis of the above embodiments, in one embodiment, the water tank structure includes a water tank body 4, a decorative ring 2, and a notch 201 and a mounting portion 202 are provided on the decorative ring 2. Specifically, the decorative ring 2 is provided with an annular groove with an opening facing downward, and the upper end of the water tank body 4 is embedded in the annular groove. The decorative ring 2 can be easily installed on the water tank body 4. The provision of the decorative ring 2 can make the appearance more beautiful. During processing, the notch 201 and the mounting portion 202 are processed on the decorative ring 2, which is also convenient for processing.

[0079] Example 2

[0080] This embodiment provides a cooling fan, including the water tank assembly structure provided in the above embodiment.

[0081] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A water tank assembly structure, characterized in that: include: Water tank structure; A fuselage having a base (1), the fuselage being rotatably arranged on the water tank structure and having a first position in a free state and a second position suitable for being locked with the water tank structure; A locking assembly is used to lock the body in the second position; the water tank structure is provided with at least one notch (201), the inner wall of the water tank structure is provided with at least one boss (401), the base (1) is provided with an insertion tongue (101), the insertion tongue (101) is suitable for being inserted into the notch (201), and when the body is in the second position, the insertion tongue (101) is supported below the boss (401); the lower end of the boss (401) is provided with a downward An extended convex column (402), a slot (102) with an opening facing upward is provided on the plug tongue (101), and when the body is in the second position, the convex column (402) is inserted into the slot (102); two convex platforms (401) are provided, and the two convex platforms (401) are arranged opposite to each other, one of the convex platforms (401) is arranged on the front side of the water tank structure, and the other convex platform (401) is arranged on the rear side of the water tank structure, and correspondingly, two plug tongues (101) are provided.

2. The water tank assembly structure according to claim 1, characterized in that: The water tank structure is provided with a mounting portion (202), and the locking assembly comprises: A first locking block (103) is arranged on the base (1); The button (3) is slidably disposed in the mounting portion (202) and has an initial position and a pressing position. When the button (3) is located at the initial position and the body is at the second position, the button (3) cooperates with the first locking block (103) to prevent the body from rotating toward the first position.

3. The water tank assembly structure according to claim 2, characterized in that: An elastic member (5) is provided between the button (3) and the mounting portion (202), and the elastic force of the elastic member (5) is used to reset the button (3) to the initial position.

4. The water tank assembly structure according to claim 3, characterized in that: The bottom surface of the button (3) is provided with a groove (305), the groove (305) has a first side wall (3051) away from the center of the water tank structure, the mounting portion (202) is provided with a first step surface (204), and the elastic member (5) is arranged in the groove (305) and is located between the first side wall (3051) and the first step surface (204).

5. The water tank assembly structure according to claim 3, characterized in that: The button (3) is provided with a second locking block (302); when the button (3) is located at the initial position and the body is at the second position, the second locking block (302) cooperates with the first locking block (103) to prevent the body from rotating toward the first position.

6. The water tank assembly structure according to claim 5, characterized in that: The first locking block (103) comprises a first inclined surface (1031) and a first vertical surface (1032); the second locking block (302) comprises a second inclined surface (3021) and a second vertical surface (3022); when the base (1) rotates from the first position to the second position, the first inclined surface (1031) cooperates with the second inclined surface (3021) to drive the button (3) to move toward the pressing position; when the base (1) rotates to the second position, the second inclined surface (3021) leaves the first inclined surface (1031), and under the action of the elastic member (5), the button (3) moves toward the initial position so that the first vertical surface (1032) and the second vertical surface (3022) are in contact with each other; the second vertical surface (3022) is used to prevent the body from rotating toward the first position.

7. The water tank assembly structure according to claim 6, characterized in that: The first locking block (103) is a triangular prism structure. The first locking block (103) also includes a third inclined surface (1033) connecting the first inclined surface (1031) and the first vertical surface (1032). The button (3) is also provided with a fourth inclined surface (303). When the button (3) is pressed, the fourth inclined surface (303) cooperates with the third inclined surface (1033) to drive the third inclined surface (1033) to move along the fourth inclined surface (303), so that the body rotates toward the first position.

8. The water tank assembly structure according to claim 2, characterized in that: The button (3) is provided with a buckle (304), the mounting portion (202) has an inner end surface (203) facing the center of the water tank structure, and the buckle (304) is suitable for abutting against the inner end surface (203).

9. The water tank assembly structure according to claim 2, characterized in that: A second step surface (205) is also provided in the mounting portion (202), and the button (3) comprises a pressing portion (301). When the button (3) is located at the maximum pressing position, the pressing portion (301) abuts against the second step surface (205).

10. The water tank assembly structure according to any one of claims 2 to 9, characterized in that: The mounting portion (202) is arranged at a position close to the boss (401) on the rear side of the water tank structure.

11. The water tank assembly structure according to any one of claims 2 to 9, characterized in that: The water tank structure comprises a water tank body (4) and a decorative ring (2); the notch (201) and the mounting portion (202) are arranged on the decorative ring (2).

12. A cooling fan, characterized in that: The invention comprises the water tank assembly structure according to any one of claims 1 to 11.

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