Fan for cool air cushion

Abstract

The fan comprises a bottom shell, a fan body, an upper shell and a top cover installed on the upper shell, an exhaust hood is arranged on the upper end face of the upper shell, fixing openings are formed in one side of a first convex edge and one side of a second convex edge, a fixing block is arranged at the lower end of the top cover, the fixing block is matched with the fixing openings, and the fan body is arranged on the top cover. An observation hole penetrating through the top cover is formed in the upper portion of the fixing block, the top cover capable of being movably detached is arranged on the upper shell, namely the purpose of installing and detaching the top cover can be achieved by clamping the fixing block on the top cover into the fixing openings in the first convex edge and the second convex edge and rotating the top cover, and therefore when the top cover is needed or not needed, the top cover can be installed and detached conveniently. According to the technical scheme, the top cover can be conveniently and quickly mounted and dismounted, and the use modes of top-cover-free flat use and top-cover-free anti-covering use are realized, so that the problems that the fan is covered by other articles, the air flow is insufficient, the noise level of the fan is increased, the equipment is overheated, the user experience is influenced, and the performance and the service life of the equipment are reduced are solved.

Description

Technical Field

[0001] The embodiments of the present utility model relate to, but are not limited to, the technical field of cool air cushions, and particularly to a fan for a cool air cushion. Background Art

[0002] Generally, a cool air cushion is provided with a fan for providing cool air, so that when a consumer uses the cool air cushion, the air blown towards the human body can be provided to reduce the body feeling temperature of the consumer, thereby making people feel cool.

[0003] For the existing cool air cushions on the market, their fans are usually arranged on the cushion as flat as possible, which results in the fans installed on the laid cool air cushion being easily covered by other objects, causing insufficient air flow. This not only increases the noise level of the fan, but also may cause the device to overheat, thereby affecting the user experience and reducing the performance and service life of the device. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present utility model provides a fan for a cool air cushion, which solves the technical problems that the fan installed on the existing cool air cushion is easily covered by other objects, resulting in insufficient air flow, not only increasing the noise level of the fan, but also possibly causing the device to overheat, thereby affecting the user experience and reducing the performance and service life of the device.

[0006] (2) Technical Solutions

[0007] The purpose of the present utility model is to provide a fan for a cool air cushion, which includes a bottom shell, a fan body, an upper shell and a top cover installed on the upper shell. The fan body is installed in the bottom shell, the upper shell is arranged at the upper end of the bottom shell, an exhaust hood is arranged on the upper end surface of the upper shell, the exhaust hood is provided with exhaust holes, a first convex edge and a second convex edge are arranged on the outer peripheral side of the exhaust hood, a notch is arranged between the first convex edge and the second convex edge, fixing ports are arranged on one side of the first convex edge and the second convex edge, a fixing block is arranged at the lower end of the top cover, the fixing block is adapted to the fixing port, and an observation hole penetrating through the top cover is arranged above the fixing block.

[0008] Preferably, the bottom shell is provided with a lower accommodation cavity, an installation column and a second strengthening edge are arranged in the lower accommodation cavity, and a second air inlet hole communicating with the outside is arranged at the adjacent position of the second strengthening edge.

[0009] Preferably, a limiting hook and more than 2 male buttons are further arranged outside the bottom shell, and a wire passing channel is arranged at the lower end of the bottom shell.

[0010] Preferably, through holes are respectively arranged at both ends of the wire passing channel, and a first through hole and a second through hole are provided. First bumps and second bumps are further arranged on both sides of the first through hole.

[0011] Preferably, the upper shell is further provided with an upper accommodation cavity, a first reinforcing rib is arranged in the upper accommodation cavity, a first air inlet hole is arranged at the adjacent position of the first reinforcing rib, and a female buckle is arranged on the outer side of the upper shell.

[0012] Preferably, an arched protective cover is arranged at the upper end of the top cover, and an air outlet hole is arranged on the protective cover.

[0013] Preferably, the number of the fan bodies and the top covers is two, and they are symmetrically arranged in pairs inside the bottom shell and on the top of the upper shell respectively.

[0014] Preferably, more than two female buckles are arranged on the outer side of the bottom shell.

[0015] Preferably, more than two male buckles are arranged on the outer side of the upper shell.

[0016] Preferably, two mounting posts are arranged inside the bottom shell.

[0017] (III) Beneficial effects

[0018] By arranging a top cover on the upper shell that can be detachably assembled, that is, by inserting the fixing blocks on the top cover into the fixing holes on the first and second bumps, the purpose of installing and disassembling the top cover can be achieved by rotating the top cover. This makes it convenient to install and disassemble the top cover when needed or not, realizing the usage modes of flat use without the top cover and anti-covering use with the top cover, thereby avoiding being covered by other items, resulting in insufficient air flow, increasing the noise level of the fan and overheating of the device, which in turn affects the user experience and reduces the performance and service life of the device. Description of the drawings

[0019] The drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the technical solutions of the present invention, and do not constitute a limitation to the technical solutions of the present invention.

[0020] Figure 1 It is a three-dimensional view of the overall structure in Embodiment 1 of the fan for the cool air cushion;

[0021] Figure 2 It is an exploded view of the overall structure in Embodiment 1 of the fan for the cool air cushion;

[0022] Figure 3 It is another perspective view of the structural decomposition in Embodiment 1 of the fan for the cool air cushion;

[0023] Figure 4 It is a three-dimensional view of the overall structure in Embodiment 2 of the fan for the cool air cushion;

[0024] Figure 5 It is an exploded view of the overall structure in Embodiment 2 of the fan for the cool air cushion;

[0025] Figure 6 It is another perspective view of the structural decomposition in Embodiment 2 of the fan for the cool air cushion.

[0026] Explanation of reference numerals:

[0027] 1, bottom shell; 01, wire passing channel; 10, lower accommodation cavity; 11, mounting post; 12, first through hole; 13, second through hole; 14, first convex block; 15, second convex block; 16, limiting hook; 17, second air inlet hole; 18, second strengthening edge; 19, male buckle; 2, fan body; 3, upper shell; 30, first convex edge; 31, second convex edge; 32, fixing opening; 33, notch; 34, exhaust hood; 35, exhaust hole; 36, female buckle; 37, first air inlet hole; 38, first strengthening edge; 39, upper accommodation cavity; 4, top cover; 40, protective cover; 41, air outlet hole; 42, observation hole; 43, fixing block; 5, docking port; 6, docking convex strip. Detailed implementation manners

[0028] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further details the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] Embodiment 1

[0030] The following combines with the attached Figures 1 to 3 , and further describes. The present utility model discloses a fan for a cool air cushion, including a bottom shell 1, a fan body 2, an upper shell 3 and a top cover 4 installed on the upper shell 3. The fan body 2 is installed on the mounting post 11 inside the bottom shell 1. The upper shell 3 is arranged at the upper end of the bottom shell 1 in a snap-fit manner. An exhaust hood 34 is provided on the upper end surface of the upper shell 3. The exhaust hood 34 is provided with exhaust holes 35. First convex edges 30 and second convex edges 31 protruding from the upper end surface of the upper shell 3 are provided on the outer peripheral side of the exhaust hood 34. A notch 33 is provided between the first convex edge 30 and the second convex edge 31. Fixing openings 32 are provided on one side of both the first convex edge 30 and the second convex edge 31. A fixing block 43 is provided at the lower end of the top cover 4. When installing the top cover 4, the fixing block 43 is placed into the notch 33, and then the top cover 4 is rotated to insert the fixing block 43 into the fixing opening 32 to fixedly install the top cover 4 on the upper shell 3. Rotating in the opposite direction can separate the two. An observation hole 42 penetrating the top cover 4 is provided above the fixing block 43. Through this observation hole 42, the installation condition of the top cover 4 can be checked.

[0031] In this embodiment, the bottom case 1 is provided with a lower accommodation cavity 10. An installation post 11 and a second reinforcing edge 18 are arranged in the lower accommodation cavity 10. A second air inlet hole 17 communicating with the outside is arranged at the adjacent position of the second reinforcing edge 18. In this embodiment, the number of the second air inlet holes 17 is more than 2, and they are arranged adjacent to each other.

[0032] In this embodiment, a limit hook 16 and more than 2 male fasteners 19 are further arranged outside the bottom case 1. A wire passing channel 01 is arranged at the lower end of the bottom case 1.

[0033] In this embodiment, a through first through hole 12 and a second through hole 13 are respectively arranged at both ends of the wire passing channel 01. A first convex block 14 and a second convex block 15 are further arranged on both sides of the first through hole 12.

[0034] In this embodiment, the upper case 3 is further provided with an upper accommodation cavity 39. A first reinforcing edge 38 is arranged in the upper accommodation cavity 39. A first air inlet hole 37 is arranged at the adjacent position of the first reinforcing edge 38. In this embodiment, the number of the first air inlet holes 37 is more than 2, and they are arranged adjacent to each other. More than 2 female fasteners 36 are arranged on the outer side of the upper case 3, and the female fasteners 36 are adapted to the male fasteners 19 on the bottom case 1.

[0035] In this embodiment, an arched protective cover 40 is arranged at the upper end of the top cover 4. The protective cover 40 is provided with air outlet holes 41 penetrating through its body. The number of the air outlet holes 41 is more than 2, and they are evenly distributed on the circumferential surface of the protective cover 40.

[0036] Embodiment 2

[0037] The following is further described in conjunction with the attached Figures 4 to 6 , A fan for a cool air cushion is disclosed by the present utility model. This embodiment provides a cool air cushion with double fans, including a bottom case 1, a fan body 2, an upper case 3 and a top cover 4 installed on the upper case 3. The fan body 2 is installed on the installation post 11 in the bottom case 1. The upper case 3 is arranged at the upper end of the bottom case 1 in a snap-fit manner. An exhaust hood 34 is arranged on the upper end surface of the upper case 3. The exhaust hood 34 is provided with exhaust holes 35. A first convex edge 30 and a second convex edge 31 protruding from the upper end surface of the upper case 3 are arranged on the outer peripheral side of the exhaust hood 34. A notch 33 is arranged between the first convex edge 30 and the second convex edge 31. Fixing ports 32 are arranged on one side of both the first convex edge 30 and the second convex edge 31. A fixing block 43 is arranged at the lower end of the top cover 4. When installing the top cover 4, the fixing block 43 is placed into the notch 33, and then the top cover 4 is rotated to insert the fixing block 43 into the fixing port 32 to fixedly install the top cover 4 on the upper case 3. By rotating in the opposite direction, the two can be separated. An observation hole 42 penetrating through the top cover 4 is arranged above the fixing block 43. Through the observation hole 42, the installation condition of the top cover 4 can be checked.

[0038] In this embodiment, the bottom case 1 is provided with a lower accommodation cavity 10. An installation post 11 and a second reinforcing edge 18 are arranged in the lower accommodation cavity 10. A second air inlet hole 17 communicating with the outside is arranged at the adjacent position of the second reinforcing edge 18. In this embodiment, the number of the second air inlet holes 17 is more than 2, and they are arranged adjacent to each other. Two second reinforcing edges 18 are arranged in the accommodation cavity, and a pair of interfaces 5 are arranged at the adjacent positions of the two second reinforcing edges 18.

[0039] In this embodiment, the upper case 3 is further provided with an upper accommodation cavity 39. Two first reinforcing edges 38 are arranged in the upper accommodation cavity 39. A docking rib 6 protruding outward is arranged between the two first reinforcing edges 38. When the upper case 3 and the bottom case 1 are buckled, the docking rib 6 is inserted into the interface 5 of the second reinforcing edge 18. A first air inlet hole 37 is arranged at the adjacent position of the first reinforcing edge 38. In this embodiment, the number of the first air inlet holes 37 is more than 2, and they are arranged adjacent to each other. More than 2 male fasteners 19 are further arranged on the outer side of the upper case 3, and the male fasteners 19 are respectively adapted to female fasteners 36 arranged on the outer side of the upper case 3.

[0040] In this embodiment, the number of the fan bodies 2 and the top covers 4 is two, and they are symmetrically arranged in pairs inside the bottom case 1 and on the top of the upper case 3 respectively.

[0041] In this embodiment, an arched protective cover 40 is arranged at the upper end of the top cover 4. The protective cover 40 is provided with air outlet holes 41 penetrating through its body. The number of the air outlet holes 41 is more than 2, and they are evenly distributed on the circumferential surface of the protective cover 40.

[0042] In this embodiment, two installation posts 11 are symmetrically arranged inside the bottom case 1 to facilitate the fixed installation of the fan.

[0043] To sum up, by providing a top cover on the upper case that can be detachably moved, that is, by engaging the fixing blocks on the top cover into the fixing holes on the first and second convex edges, the purpose of installing and disassembling the top cover can be achieved by rotating the top cover, so as to facilitate the installation and disassembly of the top cover when the top cover is needed or not, realizing the usage modes of flat use without the top cover and anti-coverage use with the top cover, thereby avoiding being covered by other items, resulting in insufficient air flow, increasing the noise level of the fan and overheating of the device, and further affecting the user experience and reducing the performance and service life of the device.

[0044] Although the technical solutions according to the present invention have been described with reference to multiple different embodiments, aspects and features, it is not intended to limit the scope of the present invention thereby, but its modifications are all included within the broad scope of the foregoing disclosure, drawings and claims.

Claims

1. A fan for a cool air cushion, comprising a bottom shell, a fan body, an upper shell and a top cover mounted on the upper shell, the fan body being mounted in the bottom shell, the upper shell being disposed at the upper end of the bottom shell, an exhaust hood being provided on the upper end surface of the upper shell, the exhaust hood being provided with exhaust holes, characterized in that: A first convex edge and a second convex edge are provided on the outer peripheral side of the exhaust hood. A notch is provided between the first convex edge and the second convex edge. Fixing ports are provided on one side of both the first convex edge and the second convex edge. A fixing block is provided at the lower end of the top cover. The fixing block is adapted to the fixing port. An observation hole penetrating the top cover is provided above the fixing block.

2. The fan for a cool air cushion according to claim 1, wherein: The bottom shell is provided with a lower accommodation cavity. An installation post and a second reinforcing edge are provided in the lower accommodation cavity. A second air inlet communicating with the outside is provided at the adjacent position of the second reinforcing edge.

3. The fan for the cool air cushion according to claim 1, characterized in that: A limiting hook and male fasteners are further provided outside the bottom shell. The number of the male fasteners is more than 2. A wire passing channel is further provided at the lower end of the bottom shell.

4. The fan for a cool air cushion according to claim 3, wherein: Through first through holes and second through holes are respectively provided at both ends of the wire passing channel. First convex blocks and second convex blocks are further provided on both sides of the first through hole.

5. The fan for a cool air cushion according to claim 1, wherein: The upper shell is further provided with an upper accommodation cavity. A first reinforcing edge is provided in the upper accommodation cavity. A first air inlet is provided at the adjacent position of the first reinforcing edge. A female fastener is further provided on the outer side of the upper shell.

6. The fan for a cool air cushion according to claim 1, wherein: An arched protective cover is provided at the upper end of the top cover. The protective cover is provided with air outlet holes.

7. The fan for a cool air cushion according to claim 1, wherein: The number of the fan bodies and the top covers is two, and they are symmetrically arranged in pairs inside the bottom shell and on the top of the upper shell respectively.

8. The fan for the cool air cushion according to claim 2, wherein: Female fasteners are further provided outside the bottom shell. The number of the female fasteners is more than 2.

9. The fan for a cool air cushion according to claim 1, wherein: Male fasteners are further provided on the outer side of the upper shell. The number of the male fasteners is more than 2.

10. The fan for a cool air cushion according to claim 2, characterized in that: Two installation posts are further provided inside the bottom shell.

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