Rechargeable floor fan

Abstract

The rechargeable floor fan comprises a fan body and a supporting body, the fan body sequentially comprises an air outlet cover, a fan blade assembly, an air inlet cover and a transmission assembly from front to back, the air outlet cover is buckled to the front end of the air inlet cover, the fan blade assembly comprises a power base and power fan blades, the power fan blades are evenly distributed and connected to the periphery of the power base, and the power base is connected with the supporting body. A first mounting hole is formed in the middle of the air inlet cover, the transmission assembly comprises a transmission shell and a transmission motor, the transmission motor is mounted in the transmission shell, the air inlet cover is mounted at the front end of the shell, and a transmission shaft of the transmission motor penetrates through the first mounting hole and extends forwards to be connected with the power base; the lower end of the supporting column is vertically installed on the supporting base, the upper end of the supporting column is movably connected with the transmission shell, and a rechargeable battery electrically connected with the transmission motor is arranged in the supporting column. Movable use is achieved through the rechargeable battery, use convenience and flexibility are improved, and operation is reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of floor fans, in particular to a rechargeable floor fan. Background Art

[0002] Floor fans have the characteristics of large air volume and low noise. In hot summer, it can effectively improve indoor ventilation, prevent heatstroke and cool down, and improve the environmental comfort, and is applicable to places such as industrial and mining enterprise warehouses, workshops, restaurants and homes.

[0003] Traditional floor fans usually rely on fixed power sockets, which limits the flexibility of their use positions. They cannot work without an external power source, and their use scenarios are limited in outdoor areas and indoor areas without power sockets, etc., and cannot meet the use requirements of users in different environments.

[0004] Ensuring the stable installation and effective transmission of the blade assembly is the key to the normal operation of the fan. In traditional floor fans, the transmission shaft of the drive motor of the blade assembly cannot be reliably connected, so the stable operation of the blade assembly cannot be guaranteed, and the stability of power transmission is poor.

[0005] Traditional floor fans also have problems with the unreasonable structure stability and air flow. At the same time, the air outlet cover and the air inlet cover are not easy to disassemble and repair. The drive motor generates heat during operation. If the heat is not dissipated in time, it will affect the performance and life of the motor. Traditional floor fans do not effectively solve the heat dissipation problem of the drive motor, and the drive motor cannot be used for a long time within the normal operating temperature range, reducing the service life of the drive motor.

[0006] Traditional floor fans have no other function extensions except for the basic fan function. Users may also need some other additional functions, such as charging external devices, etc., and their practicability and user experience need to be improved. Content of the Utility Model

[0007] To solve the problems raised in the above background art, the utility model provides a rechargeable floor fan with a simple structural design, which can be used movably through a rechargeable battery, improves the flexibility of air supply, ensures the stable operation of the blade assembly, enhances the heat dissipation effect of the drive motor, adds USB jacks to expand functions, improves the convenience and flexibility of use, and has reliable operation.

[0008] To achieve the above object, the present utility model provides the following technical solutions: A rechargeable floor fan, comprising a fan main body and a support main body. The fan main body successively includes an air outlet cover, a blade assembly, an air inlet cover, and a transmission assembly from front to back. The air outlet cover and the air inlet cover are of matching shapes. The air outlet cover is buckled to the front end of the air inlet cover. The air outlet cover and the air inlet cover form an accommodation space for accommodating the blade assembly. The blade assembly includes a power seat and power blades. There are multiple power blades, which are evenly distributed and connected to the outer periphery of the power seat. A first mounting hole is provided in the middle of the air inlet cover. The transmission assembly includes a transmission housing and a transmission motor. The transmission motor is installed in the transmission housing. The air inlet cover is installed at the front end of the transmission housing. The transmission shaft of the transmission motor passes through the first mounting hole and extends forward to be connected to the power seat to drive the power blades to rotate. The support main body includes a support base and a support column. The lower end of the support column is vertically installed on the support base, and the upper end of the support column is movably connected to the transmission housing. The transmission housing can swing up or down relative to the support column. A rechargeable battery electrically connected to the transmission motor is provided inside the support column.

[0009] As a further elaboration of this technical solution:

[0010] Preferably, a first mounting seat is provided on the outer periphery of the first mounting hole of the air inlet cover. Multiple fixing holes are provided in the first mounting seat. Multiple clamping protrusions matching the fixing holes are provided on the transmission housing. The air inlet cover is installed at the front end of the transmission housing under the cooperation of the fixing holes and the clamping protrusions.

[0011] Preferably, a second mounting hole is provided in the middle of the air outlet cover. A second mounting seat is provided on the outer periphery of the second mounting hole. A connecting block is installed at the front end of the second mounting seat, and a signboard is installed at the front end of the connecting block.

[0012] Preferably, both the air outlet cover and the air inlet cover are in a dome shape, and both include a first circle, a second circle, and a third circle with gradually increasing diameters. The third circle is located at the outermost end. Multiple rib strips are evenly arranged from the outer peripheries of the first mounting seat and the second mounting seat to the ends of the third circle.

[0013] Preferably, a tightening ring is provided on the outer peripheries of the air outlet cover and the air inlet cover. The air outlet cover is buckled to the front end of the air inlet cover through the fixing action of the tightening ring.

[0014] Preferably, the power seat and the power blades are of an integral structure. A vertically protruding fixing rod is provided on the transmission shaft of the transmission motor. A locking hole matching the fixing rod is provided on the inner periphery of the power seat. A locking portion is provided at the front end of the transmission shaft. The locking portion, the fixing rod, and the locking hole cooperate with each other to connect the power seat to the transmission shaft.

[0015] Preferably, a plurality of through first heat dissipation holes are provided at the front end of the transmission housing, and a plurality of through second heat dissipation holes are provided at the rear end of the transmission housing. The first heat dissipation holes and the second heat dissipation holes are used to release the heat generated when the inner peripheral drive motor of the transmission housing operates.

[0016] Preferably, a charging jack is provided at the lower end of the middle part at the rear side of the support column for connecting an external power supply to charge the rechargeable battery. A USB jack is provided on the lower side of the charging jack and can be used to charge external devices.

[0017] Preferably, a handle is provided on the upper side of the front end of the transmission housing, and the handle is used to assist personnel in moving the fan main body and the support main body.

[0018] Preferably, a first control mechanism and a second control mechanism are further included. The first control mechanism includes a worm and worm gear, which is located on the upper side of the rear end of the transmission housing and is used to control the left-right swing of the transmission housing relative to the support main body. The second control mechanism is electrically connected to the drive motor and includes a switch button group. The switch button group is located at the upper end of the middle part on the front side of the support column and is used to control the start-stop and gear adjustment of the drive motor.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] First, the setting of the rechargeable battery in the present utility model enables the fan to get rid of the dependence on a fixed power socket. Users can move the fan to any position according to their needs, greatly improving the convenience of use. The transmission housing can swing in multiple directions, and users can easily adjust the air supply direction without manually adjusting the position of the fan, meeting the air supply requirements at different angles and further improving the flexibility of use.

[0021] Second, the connection method between the power seat and the transmission shaft in the present utility model ensures the stable transmission of power, enabling the blade assembly to rotate stably, ensuring the stable operation of the blade assembly, improving the reliability and stability of the fan operation, and reducing faults and noises caused by power transmission problems.

[0022] Third, the present utility model optimizes the air flow effect. The dome-shaped design of the air outlet cover and the air inlet cover and the setting of the ribs help to guide the air flow, making the air blown by the blade assembly pass through the air outlet cover and the air inlet cover more smoothly, improving the efficiency and effect of air flow, and providing a more comfortable blowing experience for users.

[0023] Fourth, the design of the front and rear heat dissipation holes in the present utility model effectively dissipates the heat generated when the drive motor operates, enhances the heat dissipation performance of the transmission housing, avoids the performance decline or damage of the drive motor due to overheating, extends the service life of the drive motor, and ensures the long-term stable operation of the fan.

[0024] Fifthly, due to the provision of charging jacks and USB jacks on the support columns of the present utility model, the charging jacks can insert a battery adapter to charge the rechargeable battery, and can also insert the charging cable of a solar panel to charge the rechargeable battery. The present utility model not only facilitates the charging of the rechargeable battery, but also provides an additional charging function for users to charge external devices such as mobile phones and tablet computers, increasing the added value and practicality of the product, meeting various needs of users during the use of the fan, and enhancing the satisfaction of users with the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0026] Figure 1 is a schematic diagram of the overall structure of the present utility model from the first angle;

[0027] Figure 2 is a schematic diagram of the overall structure of the present utility model from the second angle;

[0028] Figure 3 is a schematic diagram of the disassembled structure of the present utility model from the first angle.

[0029] Figure 4 is Figure 3 an enlarged schematic diagram of part A in

[0030] In the figures: 1, air outlet cover; 2, air inlet cover; 3, power seat; 4, power fan blade; 5, first mounting hole; 6, transmission housing; 7, transmission shaft; 8, support base; 9, support column; 10, rechargeable battery; 11, first mounting seat; 12, fixing hole; 13, clamping projection; 14, second mounting hole; 15, second mounting seat; 16, connecting block; 17, identification plate; 18, third circle; 19, rib; 20, tightening ring; 21, fixing rod; 22, locking part; 23, first heat dissipation hole; 24, second heat dissipation hole; 25, charging jack; 26, USB jack; 27, handle; 28, worm and worm gear; 29, switch button group. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] As Figures 1 to 4As shown in the figure, the utility model relates to a rechargeable floor fan, which comprises a fan main body and a support main body. The fan main body successively comprises an air outlet cover 1, a blade assembly, an air inlet cover 2 and a transmission assembly from front to back. The air outlet cover 1 and the air inlet cover 2 are matched in shape. The air outlet cover 1 is buckled at the front end of the air inlet cover 2. The air outlet cover 1 and the air inlet cover 2 form an accommodation space for accommodating the blade assembly. The blade assembly comprises a power seat 3 and power blades 4. There are multiple power blades 4, which are evenly distributed and connected to the outer periphery of the power seat 3. In this embodiment, there are 5 power blades 4. A first installation hole 5 is arranged in the middle of the air inlet cover 2. The transmission assembly comprises a transmission housing 6 and a transmission motor (not shown in the figure). The transmission motor is installed in the transmission housing 6. The air inlet cover 2 is installed at the front end of the transmission housing 6. The transmission shaft 7 of the transmission motor extends forward through the first installation hole 5 and is connected to the power seat 3 to drive the power blades 4 to rotate. The support main body comprises a support base 8 and a support column 9. The lower end of the support column 9 is vertically installed on the support base 8. The upper end of the support column 9 is movably connected to the transmission housing 6. The transmission housing 6 can swing up or down relative to the support column 9. The inside of the support column 9 is hollow and is provided with a rechargeable battery 10 electrically connected to the transmission motor.

[0033] As Figures 1 to 4 shown, a first installation seat 11 is arranged on the outer periphery of the first installation hole 5 of the air inlet cover 2. A plurality of fixing holes 12 are formed in the first installation seat 11. A plurality of clamping protrusions 13 matching the fixing holes 12 are arranged on the transmission housing 6. Under the cooperation of the fixing holes 12 and the clamping protrusions 13, the air inlet cover 2 is installed at the front end of the transmission housing 6.

[0034] As Figure 1 , Figure 3 shown, a second installation hole 14 is arranged in the middle of the air outlet cover 1. A second installation seat 15 is arranged on the outer periphery of the second installation hole 14. A connecting block 16 is installed at the front end of the second installation seat 15. The connecting block 16 is used for diverging the wind direction blown by the blade assembly to both sides to increase the blowing area. A sign 17 is installed at the front end of the connecting block 16.

[0035] As Figures 1 to 4 shown, both the air outlet cover 1 and the air inlet cover 2 are in a dome shape, and both include a first circle, a second circle and a third circle 18 with gradually increasing diameters. The third circle 18 is located at the outermost end. A plurality of rib strips 19 are evenly arranged from the outer peripheries of the first installation seat 11 and the second installation seat 15 to the end of the third circle 18.

[0036] As Figures 1 to 3 shown, a tightening ring 20 is arranged on the outer periphery of the air outlet cover 1 and the air inlet cover 2. The air outlet cover 1 is buckled at the front end of the air inlet cover 2 through the fixing action of the tightening ring 20.

[0037] As Figures 1 to 4As shown, the power blade is in the shape of a bird's wing and is used to push air to flow forward. The power seat 3 and the power wind blade 4 are an integral structure. A vertically protruding fixing rod 21 is provided on the transmission shaft 7 of the drive motor. A locking hole (not shown in the figure) matching the fixing rod 21 is provided on the inner circumference of the power seat 3. A locking portion 22 is provided at the front end of the transmission shaft 7. The locking portion 22, the fixing rod 21 and the locking hole cooperate with each other to connect the power seat 3 to the transmission shaft 7.

[0038] As Figures 1 to 4 shown, a plurality of through first heat dissipation holes 23 are provided at the front end of the transmission housing 6, and a plurality of through second heat dissipation holes 24 are provided at the rear end of the transmission housing 6. The first heat dissipation holes 23 and the second heat dissipation holes 24 are used to release the heat generated when the drive motor inside the inner circumference of the transmission housing 6 operates.

[0039] As Figure 2 shown, a charging jack 25 is provided at the lower end of the middle part on the rear side of the support column 9 for connecting an external power source to charge the rechargeable battery 10. A USB jack 26 is provided on the lower side of the charging jack 25 and can be used to charge external devices.

[0040] As Figures 2 to 4 shown, a handle 27 is provided on the upper side of the front end of the transmission housing 6. The handle 27 is used to assist personnel in moving the fan main body and the support main body.

[0041] As Figures 1 to 4 shown, it further includes a first control mechanism and a second control mechanism. The first control mechanism includes a worm and worm gear 28, which is located on the upper side of the rear end of the transmission housing 6 and is used to control the left - right swing of the transmission housing 6 relative to the support main body. The second control mechanism is electrically connected to the drive motor and includes a switch button group 29. The switch button group 29 is located at the upper end of the middle part on the front side of the support column 9 and is used to control the start - stop and gear adjustment of the drive motor.

[0042] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "front", "rear", "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application 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. Therefore, it should not be construed as a limitation to the present application.

[0043] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A rechargeable floor fan, characterized in that: It includes a fan main body and a support main body. The fan main body sequentially includes an air outlet cover, a blade assembly, an air inlet cover, and a transmission assembly from front to back. The air outlet cover and the air inlet cover are matched in shape, and the air outlet cover is buckled to the front end of the air inlet cover. The air outlet cover and the air inlet cover form an accommodation space for accommodating the blade assembly. The blade assembly includes a power seat and power blades. There are multiple power blades, which are evenly distributed and connected to the outer periphery of the power seat. A first installation hole is provided in the middle of the air inlet cover. The transmission assembly includes a transmission housing and a transmission motor. The transmission motor is installed in the transmission housing, and the air inlet cover is installed at the front end of the transmission housing. The transmission shaft of the transmission motor passes through the first installation hole and extends forward to be connected to the power seat to drive the power blades to rotate. The support main body includes a support base and a support column. The lower end of the support column is vertically installed on the support base, and the upper end of the support column is movably connected to the transmission housing. The transmission housing can swing up or down relative to the support column. A rechargeable battery electrically connected to the transmission motor is provided inside the support column.

2. The rechargeable floor fan according to claim 1, wherein: A first mounting seat is provided on the outer periphery of the first mounting hole of the air inlet cover. Multiple fixing holes are provided in the first mounting seat, and multiple convex cards matching the fixing holes are provided on the transmission housing. Under the cooperation of the fixing holes and the convex cards, the air inlet cover is installed at the front end of the transmission housing.

3. The rechargeable floor fan according to claim 2, wherein: A second mounting hole is provided in the middle of the air outlet cover. A second mounting seat is provided on the outer periphery of the second mounting hole. A connecting block is installed at the front end of the second mounting seat, and a signboard is installed at the front end of the connecting block.

4. The rechargeable floor fan according to claim 3, characterized in that: Both the air outlet cover and the air inlet cover are in a dome shape, and both include a first circle, a second circle, and a third circle with gradually increasing diameters. The third circle is located at the outermost end. Multiple rib strips are evenly arranged from the outer peripheries of the first mounting seat and the second mounting seat to the end of the third circle.

5. The rechargeable floor fan according to claim 4, wherein: A tightening ring is provided on the outer periphery of the air outlet cover and the air inlet cover. The air outlet cover is buckled to the front end of the air inlet cover through the fixing action of the tightening ring.

6. The rechargeable floor fan according to claim 1, wherein: The power seat and the power blades are of an integral structure. A vertically protruding fixing rod is provided on the transmission shaft of the transmission motor. A locking hole matching the fixing rod is provided on the inner periphery of the power seat. A locking portion is provided at the front end of the transmission shaft. The locking portion, the fixing rod, and the locking hole cooperate with each other to connect the power seat to the transmission shaft.

7. The rechargeable floor fan according to claim 1, characterized in that: Multiple through first heat dissipation holes are provided at the front end of the transmission housing, and multiple through second heat dissipation holes are provided at the rear end of the transmission housing. The first heat dissipation holes and the second heat dissipation holes are used to release the heat generated when the transmission motor inside the transmission housing works.

8. The rechargeable floor fan according to claim 1, wherein: A charging jack is provided at the lower end of the middle part on the rear side of the support column for connecting an external power supply to charge the rechargeable battery. A USB jack is provided on the lower side of the charging jack, which can be used to charge external devices.

9. The rechargeable floor fan according to claim 1, wherein: A handle is provided on the upper side of the front end of the transmission housing. The handle is used to assist personnel in moving the fan main body and the support main body.

10. The rechargeable floor fan according to any one of claims 1 to 9, characterized in that: It further includes a first control mechanism and a second control mechanism. The first control mechanism includes a worm and worm gear, which is located on the upper side of the rear end of the transmission housing and is used to control the left - right swing of the transmission housing relative to the support main body. The second control mechanism is electrically connected to the transmission motor and includes a switch button group. The switch button group is located at the upper end of the middle part on the front side of the support column and is used to control the start - stop and gear adjustment of the transmission motor.

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