Portable small fan device for thermal therapy cooling

Abstract

The utility model discloses a portable small fan device for thermotherapy cooling, and particularly relates to the field of fans, the portable small fan device comprises supporting frames, a cover body is hinged to the top end between the supporting frames, hanging rings are arranged on the tops of the two sides of the supporting frames, and a front cover is installed on the top of the cover body. Mounting screw holes are uniformly formed in the edge positions of the top end and the bottom end of the cover body, a back plate is arranged at the bottom of the cover body, a filtering grid is arranged in the back plate, and mounting holes are uniformly formed in the edge positions of the back plate. The heating pieces are additionally arranged on the inner flow guide blades of the front cover, air blown out by the fan can be heated, and therefore thermal therapy is achieved, the device can be used for cooling in summer and defending against cold in winter, practicability is higher, the storage battery is arranged in the bottom plate, the gravity center of the device can be lowered, and the device is more convenient to use. The situation that the storage battery is placed unstably due to the fact that the storage battery is directly installed on the fan shell is avoided.

Description

Technical Field

[0001] The utility model relates to the field of fans, and more specifically, to a portable small fan device for heat therapy and cooling. Background Art

[0002] The portable small fan includes a fan cover, fan blades, a motor, and a drive control component composed of a battery, a control mainboard, etc. The fan blades are installed in the fan cover, and the motor and the fan blades are assembled correspondingly;

[0003] After searching, the existing patent (publication number: CN213628080U) discloses a new type of portable small fan, including a fan cover, fan blades, a motor and a drive control component. The fan cover is equipped with the fan blades and the motor, the motor output end cooperates with the fan blades, the drive control component is connected to the motor to control its operation, the rear side of the fan cover is provided with a cavity, the drive control component is installed in the cavity; a finger ring is movably installed on the rear side of the fan cover. The improved portable small fan optimizes the overall structure, effectively reduces the risk of line wear, is flexible to adjust, can meet the needs of different users, enriches the applicable scenarios of the small fan, and greatly enhances its practicality.

[0004] The existing portable small fan only has the function of cooling, but cannot perform heat therapy, which cannot meet the increasing needs of people. Therefore, a small fan with both heat therapy and cooling functions is needed. At the same time, the above-cited patent document does not propose relevant solutions to solve the above problems.

[0005] Therefore, in order to solve the above problems, a portable small fan device for heat therapy and cooling is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a portable small fan device for heat therapy and cooling to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable small fan device for heat therapy and cooling, comprising a support frame, a cover body is hinged at the top of the support frame, and hanging rings are arranged at the tops of both sides of the support frame, a front cover is installed at the top of the cover body, and mounting screw holes are evenly arranged at the edge positions of the top and bottom of the cover body, a back plate is arranged at the bottom of the cover body, and a filter grid is arranged inside the back plate, and mounting holes are evenly opened at the edge positions of the back plate;

[0008] A motor is installed at the middle position of the bottom of the filter grid, and the top output end of the motor is connected to a rotating shaft, the rotating shaft passes through the back plate and extends into the cover body, and a fan center column is installed on the rotating shaft above the back plate, and fan blades are evenly arranged on the periphery of the fan center column.

[0009] Preferably, a plurality of guide blades are distributed in a circular array inside the front cover, and heating plates are provided inside the guide blades. Through holes corresponding to the positions of the mounting screw holes are evenly opened at the edge of the front cover, and the front cover is detachably connected to the cover body by screws.

[0010] Preferably, the cover body is designed in a hollow frustum shape, and the inner diameter of the cover body at one end close to the front cover is smaller than the inner diameter of the cover body at one end close to the back plate, and a handle is installed at the central position of the top of the cover body.

[0011] Preferably, the support frame includes a base plate and support plates symmetrically arranged on both sides of the base plate, and a rotating seat is provided at the top of the support plate close to the cover body, connecting shafts matching the internal shape of the rotating seat are provided on both sides of the cover body, and the connecting shafts are rotatably connected to the rotating seat, and a tightening knob is installed on the top of the rotating seat.

[0012] Preferably, a battery is arranged at the middle position inside the bottom plate, and a control panel is installed at the middle position on the top of the bottom plate. Pull-out grooves are opened on both sides inside the bottom plate, and support plates matching the shapes thereof are arranged in the pull-out grooves.

[0013] Preferably, a heightened platform is provided at one end of the bottom of the support plate away from the bottom plate, and the bottom of the heightened platform is flush with the bottom of the bottom plate, and the heightened platforms are respectively provided at both ends of the bottom plate.

[0014] Preferably, a threaded portion is provided on the top of the rotating shaft, and the threaded portion is threadedly connected to a limiting cap, limiting edges are evenly provided on the surface of the rotating shaft below the limiting cap, and limiting grooves matching the limiting edges are evenly opened on the inner side of the fan center column.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Compared with the prior art, the portable small fan device for heat therapy and cooling can heat the wind blown out by the fan by adding a heating plate on the inner guide blade of the front cover, thereby achieving heat therapy, so that the device can be used not only for cooling in summer, but also for keeping warm in winter, and is more practical.

[0017] 2. Compared with the prior art, the portable small fan device for heat therapy and cooling can lower the center of gravity of the device by setting the battery in the bottom plate, avoiding the situation where the battery is directly installed on the fan housing, resulting in top-heavy and unstable placement. There are also two pull-out support plates in the bottom plate, which can be pulled out from the pull-out grooves when in use, so that a "Z"-shaped support structure is formed on the bottom surface of the device, which is more stable when placed and used.

[0018] 3. Compared with the prior art, the portable small fan device for heat therapy and cooling is provided with a handle and a hanging ring, so that the device is easy to carry, and can be hung by a hanging rope for use, so that it is convenient to hang directly around the neck for use, and is more portable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the assembly structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the fan blade structure of the utility model.

[0021] Figure 3 This is a schematic diagram of the cover structure of the utility model.

[0022] Figure 4 It is a schematic diagram of the structure of the front cover of the utility model.

[0023] Figure 5 This is a schematic diagram of the back panel structure of the utility model.

[0024] Figure 6 This is a schematic diagram of the support frame structure of the utility model.

[0025] The accompanying drawings are marked as follows: 1. front cover; 101. through hole; 2. cover body; 201. mounting screw hole; 202. connecting shaft; 3. support frame; 301. bottom plate; 301a. pull-out groove; 302. support plate; 4. back plate; 401. mounting hole; 402. filter grid; 5. control panel; 6. support plate; 7. raising platform; 8. limit cap; 9. fan blade; 10. fan center column; 1001. limit groove; 11. threaded portion; 12. limit edge; 13. rotating shaft; 14. motor; 15. heating plate; 16. guide blade; 17. battery; 18. hanging ring; 19. rotating seat; 20. tightening knob; 21. handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] As attached Figure 1A portable small fan device for heat therapy and cooling is shown, comprising a support frame 3, a cover body 2 is hinged at the top of the support frame 3, and a hanging ring 18 is arranged at the top of both sides of the support frame 3, a front cover 1 is installed at the top of the cover body 2, and mounting screw holes 201 are evenly arranged at the edge positions of the top and bottom of the cover body 2, a back plate 4 is arranged at the bottom of the cover body 2, and a filter grid 402 is arranged inside the back plate 4, and mounting holes 401 are evenly opened at the edge positions of the back plate 4;

[0029] A motor 14 is installed at the middle position of the bottom of the filter grid 402, and the top output end of the motor 14 is connected to a rotating shaft 13, the rotating shaft 13 passes through the back plate 4 and extends into the cover body 2, and a fan center column 10 is installed on the rotating shaft 13 above the back plate 4, and fan blades 9 are evenly arranged on the periphery of the fan center column 10.

[0030] Among them: the mounting holes 401 on the back plate 4 correspond to the mounting screw holes 201 on the cover body 2 in a one-to-one manner, and the two can be fixed with screws during assembly. At the same time, an electric contact is provided at the edge position of the back plate 4 and the front cover 1 close to one end of the cover body 2, and corresponding electric contact slots are provided on the cover body 2, so that after the back plate 4, the front cover 1 and the cover body 2 are assembled, the reliable operation of the power system can be achieved.

[0031] Embodiment 2

[0032] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 6 As shown, see the following description for details:

[0033] As a preferred embodiment, a plurality of guide blades 16 are distributed in a circular array inside the front cover 1, and heating plates 15 are provided inside the guide blades 16. Through holes 101 corresponding to the positions of the mounting screw holes 201 are evenly opened at the edge of the front cover 1, and the front cover 1 is detachably connected to the cover body 2 by screws; further, the heating plate 15 is designed to heat the wind blown out by the fan, thereby realizing heat therapy, so that the device can be used not only for cooling in summer, but also for keeping warm in winter, and is more practical.

[0034] As a preferred embodiment, the cover body 2 is designed in a hollow frustum shape, and the inner diameter of the cover body 2 near the front cover 1 is smaller than the inner diameter near the back plate 4, and a handle 21 is installed at the central position of the top of the cover body 2; further, the hollow frustum design can better gather wind and heat, and the blown wind is more concentrated, which has a better cooling or heat therapy effect on a small local area when used.

[0035] As a preferred embodiment, the support frame 3 includes a base plate 301 and support plates 302 symmetrically arranged on both sides of the base plate 301, and a rotating seat 19 is arranged on the top of the support plate 302 close to the cover body 2, and connecting shafts 202 that match the internal shape of the rotating seat 19 are arranged on both sides of the cover body 2, and the connecting shafts 202 are rotatably connected to the rotating seat 19, and a fastening knob 20 is installed on the top of the rotating seat 19; further, the rotating connection design makes the angle of the cover body 2 adjustable, and the fastening knob 20 can be used to limit it after adjustment, which is more practical, and compared with traditional small fans, the fastening knob 20 design ensures that the connection of the device will not loosen under long-term use, and the service life is longer.

[0036] As a preferred embodiment, a battery 17 is arranged in the middle position inside the bottom plate 301, and a control panel 5 is installed in the middle position of the top of the bottom plate 301, pull-out grooves 301a are opened on both sides inside the bottom plate 301, and support plates 6 matching the shape thereof are arranged in the pull-out grooves 301a; further, arranging the battery 17 in the bottom plate 301 can lower the center of gravity of the device, avoiding the situation where the battery 17 is directly installed on the fan casing, resulting in top-heavy and unstable placement.

[0037] As a preferred embodiment, a raised platform 7 is provided at one end of the bottom of the support plate 6 away from the bottom plate 301, and the bottom of the raised platform 7 is flush with the bottom of the bottom plate 301, and the raised platforms 7 are respectively provided at both ends of the bottom plate 301; further, when in use, the support plate 6 can be pulled out from the pull-out groove 301a, so that a "Z"-shaped support structure is formed on the bottom surface of the device, which has stronger stability when placed and used.

[0038] As a preferred embodiment, a threaded portion 11 is provided on the top of the rotating shaft 13, and the threaded portion 11 is threadedly connected to the limiting cap 8, and limiting edges 12 are evenly provided on the surface of the rotating shaft 13 below the limiting cap 8, and limiting grooves 1001 that are compatible with the limiting edges 12 are evenly opened on the inner side of the fan center column 10; further, the limiting edges 12 and the limiting cap 8 are designed to limit the fan center column 10 to prevent the fan center column 10 from shaking, and the design is more reasonable.

[0039] The working process of the utility model is as follows:

[0040] When in use, first put the fan center column 10 onto the rotating shaft 13, and insert the limiting edge 12 into the limiting groove 1001 in the fan center column 10, then tighten the limiting cap 8, and then dock the front cover 1 and the back plate 4 with the cover body 2 respectively and fix them with screws. When docking, the electrical contacts on the back plate 4 and the front cover 1 are inserted into the corresponding electrical contact slots on the cover body 2. When in use, the heating plate 15 on the guide blade 16 works to heat the wind blown out by the fan, thereby realizing heat therapy. The angle of the cover body 2 can be adjusted, and after adjustment, it can be limited by the fastening knob 20. The support plate 6 can be pulled out from the pull-out groove 301a to support the entire device, so that the device can be placed more stably.

[0041] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A portable small fan device for heat therapy and cooling, comprising a support frame (3), characterized in that: The top of the support frame (3) is hinged with a cover body (2), and the tops of both sides of the support frame (3) are provided with hanging rings (18), the top of the cover body (2) is installed with a front cover (1), and the edge positions of the top and bottom of the cover body (2) are evenly provided with mounting screw holes (201), the bottom of the cover body (2) is provided with a back plate (4), and the interior of the back plate (4) is provided with a filtering grid (402), and the edge positions of the back plate (4) are evenly provided with mounting holes (401); A motor (14) is installed at the middle position of the bottom of the filtering grid (402), and the top output end of the motor (14) is connected to a rotating shaft (13), the rotating shaft (13) passes through the back plate (4) and extends into the cover body (2), and a fan center column (10) is installed on the rotating shaft (13) above the back plate (4), and fan blades (9) are evenly arranged on the outer periphery of the fan center column (10).

2. A portable small fan device for heat therapy and cooling according to claim 1, characterized in that: The interior of the front cover (1) is provided with a plurality of guide blades (16) arranged in an annular pattern, and a heating plate (15) is arranged inside each of the guide blades (16). Through holes (101) corresponding to the positions of the mounting screw holes (201) are evenly provided at the edge of the front cover (1), and the front cover (1) is detachably connected to the cover body (2) by means of screws.

3. A portable small fan device for heat therapy and cooling according to claim 1, characterized in that: The cover body (2) is designed in a hollow truncated cone shape, and the inner diameter of the cover body (2) at one end close to the front cover (1) is smaller than the inner diameter of the end close to the back plate (4). A handle (21) is installed at the central position of the top of the cover body (2).

4. A portable small fan device for heat therapy and cooling according to claim 1, characterized in that: The support frame (3) comprises a base plate (301) and support plates (302) symmetrically arranged on both sides of the base plate (301), and a rotating seat (19) is arranged on the top of the support plate (302) close to the cover body (2), and connecting shafts (202) that match the internal shape of the rotating seat (19) are arranged on both sides of the cover body (2), and the connecting shafts (202) are rotatably connected to the rotating seat (19), and a tightening knob (20) is installed on the top of the rotating seat (19).

5. A portable small fan device for heat therapy and cooling according to claim 4, characterized in that: A storage battery (17) is arranged at a middle position inside the bottom plate (301), and a control panel (5) is installed at a middle position on the top of the bottom plate (301). Drawing grooves (301a) are provided on both sides inside the bottom plate (301), and support plates (6) matching the shapes of the drawing grooves (301a) are arranged inside the drawing grooves (301a).

6. A portable small fan device for heat therapy and cooling according to claim 5, characterized in that: A raised platform (7) is provided at one end of the bottom of the support plate (6) away from the bottom plate (301), and the bottom of the raised platform (7) is flush with the bottom of the bottom plate (301). The raised platform (7) is respectively provided at both ends of the bottom plate (301).

7. The portable small fan device for heat therapy and cooling according to claim 1, characterized in that: A threaded portion (11) is provided at the top of the rotating shaft (13), and the threaded portion (11) is threadedly connected to a limiting cap (8), limiting edges (12) are evenly provided on the surface of the rotating shaft (13) below the limiting cap (8), and limiting grooves (1001) that are compatible with the limiting edges (12) are evenly provided on the inner side of the fan center column (10).

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