Fan capable of uniformly supplying air
By combining multiple fan blades and the belt drive design of the main fan blade with the air guide vanes, the problem of uneven air delivery by the fan is solved, achieving a more uniform and efficient air delivery effect, and the dustproof effect is also improved.
Patent Information
- Application Number
- CN202422983681.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing fan delivers air unevenly, resulting in the edge of the fan not being used effectively.
It adopts a combination design of multiple auxiliary fan blades and main fan blades, and achieves multi-directional air supply through belt drive. It is also equipped with air guide vanes and dust covers to improve the uniformity and efficiency of air supply.
It improves the uniformity and efficiency of fan airflow, prevents dust from entering and optimizes the air duct, thus enhancing the user experience.
Smart Images

Figure CN223459574U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan technical field especially relates to a fan that air supply is even. BACKGROUND
[0002] Fan is a kind of household appliance using motor to drive fan blade rotation, to achieve air accelerated flow, mainly used for cooling and air circulation, widely used in family, classroom, office, shop, hospital and hotel and other places.
[0003] The existing fan works by generally using single fan blade group, and the edge part of the blown wind is relatively dispersed, cannot be effectively utilized, leading to the poor uniformity of the air sent. INNOVATION CONTENT
[0004] The utility model discloses a fan that air supply is even to solve the shortcomings in the prior art.
[0005] In order to realize the above-mentioned purpose, the utility model discloses a technical scheme as follows:
[0006] A kind of fan that air supply is even, including shell, the circumferential inner wall of shell is fixedly connected with fixed frame, the outer wall of one side of fixed frame is fixedly connected with motor, the inner wall of one side of fixed frame is movably connected with rotating shaft, and the one end of motor output shaft is fixed with rotating shaft, the one end of rotating shaft passes through fixed frame and is fixedly connected with main fan blade, the multiple ends of fixed frame are movably connected with rotating rod, the outer side key of rotating rod is connected with single-groove pulley, the one end of rotating rod passes through fixed frame and is fixedly connected with auxiliary fan blade, the outer side of rotating shaft is fixedly connected with double-groove pulley, two belts are wound on the outer side of double-groove pulley, and the two single-groove pulleys adjacent to the belt are wound.
[0007] As a further scheme of the utility model, the first end outer wall of the shell is fixedly connected with the air deflector.
[0008] As a further scheme of the utility model, the tail end of the shell is fixedly connected with the dust cover.
[0009] As a further scheme of the utility model, the circumferential inner wall of the shell is fixedly connected with multiple air deflection pieces, and the air deflection pieces are evenly distributed.
[0010] As a further scheme of the utility model, the bottom of the shell is provided with the support.
[0011] As a further scheme of the utility model, the two single-groove pulleys and double-groove pulley form a triangle mechanism.
[0012] The utility model has the advantages that:
[0013] 1. The utility model discloses a plurality of vice fan blade and main fan blade's cooperation uses, makes the device get multidirectional air supply, and further makes the air supply effect of device more uniform, improves the use effect of device.
[0014] 2. The utility model discloses not only can carry out dustproof to the inside of casing through dust cover, but also can carry out air guiding to the device through air deflector, makes the air supply effect of device more efficient. ACCURACY OF DRAWINGS
[0015] Figure 1 The utility model discloses a kind of three-dimensional structure schematic diagram of fan of air supply uniformity proposed in the utility model;
[0016] Figure 2 The utility model discloses a kind of internal structure schematic diagram of fan of air supply uniformity proposed in the utility model;
[0017] Figure 3 The utility model discloses a kind of local enlarged structure schematic diagram of fan of air supply uniformity proposed in the utility model;
[0018] Figure 4 A kind of local sectional structure schematic diagram of fan of air supply uniformity is proposed in the utility model.
[0019] In the drawing: 1, shell;2, support;3, air deflector;4, fixed frame;5, air deflector;6, main fan blade;7, rotating rod;8, single-groove pulley;9, vice fan blade;10, rotating shaft;11, double-groove pulley;12, motor;13, dust cover. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model below, and the described embodiments are only a part of the embodiments of the utility model, not all embodiments, based on the embodiments in the utility model, other embodiments obtained by the person skilled in the art without doing creative labor are all within the protection scope of the utility model.
[0021] REFERENCE Figures 1-4The utility model discloses a fan that air supply is even, including the casing 1, the circumferential inner wall of casing 1 is fixed with the fixed frame 4 through bolt, and the outer wall of one side of fixed frame 4 is fixed with motor 12 through bolt, and the inner wall of one side of fixed frame 4 is rotatably connected with the rotating shaft 10, and the output shaft of motor 12 is fixed with the rotating shaft 10 in one end, and the one end of rotating shaft 10 passes through fixed frame 4 and is fixed with main fan blade 6 through bolt, and motor 12 rotates and makes rotating shaft 10 drive main fan blade 6 rotation and air supply, and the multiple ends of fixed frame 4 are rotatably connected with the rotating rod 7, and the outside key of rotating rod 7 is connected with single groove pulley 8, and the one end of rotating rod 7 passes through fixed frame 4 and is fixed with auxiliary fan blade 9 through bolt, and the outside of rotating shaft 10 is fixed with double groove pulley 11 through bolt, and the outside of double groove pulley 11 is bound with two belts, and the belt is bound with the two single groove pulleys 8 adjacent to it, simultaneously, rotating shaft 10 rotates and makes double groove pulley 11 rotate, and makes single groove pulley 8 rotate through belt, thereby making rotating rod 7 drive auxiliary fan blade 9 rotation and air supply, and through the cooperation of multiple auxiliary fan blade 9 and main fan blade 6, the device obtains multidirectional air supply, and further makes the air supply effect of the device more even.
[0022] In the utility model, need explain, the first end outer wall of casing 1 is fixed with air deflector 3 through bolt, and the last end of casing 1 is fixed with dust cover 13 through bolt, dust cover 13 can prevent dust to the inside of casing 1, the circumferential inner wall of casing 1 is bonded with a plurality of air deflector 5, and air deflector 5 evenly distributes, and air deflector 5 can guide the air of the device, and the air supply effect of the device is more efficient, the bottom of casing 1 is installed with support 2, support 2 can support casing 1, makes casing 1 keep suitable height, and the two single groove pulleys 8 and double groove pulley 11 form a triangle mechanism between them.
[0023] The utility model works: when needing to use fan, start motor 12, and motor 12 rotates and makes rotating shaft 10 drive main fan blade 6 rotation and air supply, simultaneously, rotating shaft 10 rotates and makes double groove pulley 11 rotate, and makes single groove pulley 8 rotate through belt, thereby making rotating rod 7 drive auxiliary fan blade 9 rotation and air supply, and through the cooperation of multiple auxiliary fan blade 9 and main fan blade 6, the device obtains multidirectional air supply, and further makes the air supply effect of the device more even, and air deflector 5 can guide the air of the device, and the air supply effect of the device is more efficient.
[0024] In addition, the terms "mounting", "setting", "connecting", "sleeving" should be broadly understood. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by the person skilled in the art according to the specific circumstances.
Claims
1. A fan for uniform air supply comprising a housing (1), characterized in that, The circumferential inner wall of the shell (1) is fixedly connected with a fixing frame (4), one side outer wall of the fixing frame (4) is fixedly connected with a motor (12), the one side inner wall of the fixing frame (4) is movably connected with a rotating shaft (10), and the output shaft of the motor (12) is fixedly connected with the rotating shaft (10), one end of the rotating shaft (10) penetrates through the fixing frame (4) and is fixedly connected with a main fan blade (6), and multiple ends of the fixing frame (4) are movably connected with rotating rods (7), the outer side of the rotating rod (7) is key-connected with a single-groove pulley (8), one end of the rotating rod (7) penetrates through the fixing frame (4) and is fixedly connected with a secondary fan blade (9), the outer side of the rotating shaft (10) is fixedly connected with a double-groove pulley (11), two belts are wound around the double-groove pulley (11), and the belts are wound around the two single-groove pulleys (8) adjacent to the double-groove pulley (11).
2. The fan of claim 1, wherein, The first end outer wall of the shell (1) is fixedly connected with an air deflector (3).
3. The fan of claim 2, wherein, The tail end of the shell (1) is fixedly connected with a dust cover (13).
4. The fan of claim 1, wherein, The circumferential inner wall of the shell (1) is fixedly connected with multiple air deflectors (5), and the air deflectors (5) are uniformly distributed.
5. The fan of claim 1 wherein, The bottom of the shell (1) is provided with a support (2).
6. The fan of claim 1 wherein, The single-groove pulleys (8) and the double-groove pulley (11) form a triangle mechanism.