Self-cleaning fan blade
By designing the limiting mechanism and transparent membrane in the fan blade, the problems of loosening and insufficient stability of the fan blade locking parts are solved, and the limit protection of the locking parts and the self-cleaning function of the fan blade are realized, which improves the stability and service life of the fan blade.
Patent Information
- Application Number
- CN202421375769.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-17
AI Technical Summary
After long-term use of the existing fan blades, the locking parts are easily loosened, which affects the stability of the fan blades and is difficult to limit protection, which has certain limitations.
A fan blade including a support cylinder, blade, transparent membrane, fixing cylinder, limiting cylinder, positioning plate, mounting cylinder, fixing block, mounting frame and positioning column is designed. Through the cooperation of the limiting mechanism and transparent membrane, the limit protection and self-cleaning function of the locking member are realized.
Effectively prevent the locking parts from loosening, increase the stability of the fan blade, and realize the self-cleaning operation of the fan blade through the self-cleaning characteristics of the transparent film and extend the service life.
Smart Images

Figure CN222668470U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fan blades, in particular to a self-cleaning fan blade. Background Art
[0002] Fan blades are usually an important component of a fan. The fan blades can be driven by a motor to rotate, thereby generating wind, and then blowing the wind. The fan blades come in various sizes and shapes.
[0003] The fan blades in the prior art usually include a support tube, an assembly tube, a support member and blades, etc. The assembly tube is fixed to the inside of the support tube by the support member, and the blades are fixed to the inside of the support tube. The support tube is usually aligned with the fan body, and the assembly tube is installed with the shaft body, and then connected to the shaft body using an external locking member. After the support tube is locked and installed, the shaft body is used to drive the support tube to rotate, thereby driving the blades to rotate.
[0004] The locking piece is usually installed on the shaft by hand to limit and fix the fan blades. However, after manual installation, if an operating error occurs and the locking piece is not selected in place, the fan blades may become loose after long-term use, affecting the stability of the fan blades. As a result, it is inconvenient for the fan blades to limit the locking piece for protection, which has certain limitations. Utility Model Content
[0005] The purpose of the utility model is to provide a self-cleaning fan blade to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solution: a self-cleaning fan blade, comprising:
[0007] A support tube, wherein the outside of the support tube is fixedly connected with blades, and the outside of the blades is fixedly connected with a transparent film;
[0008] A limiting mechanism is provided on the side of the support tube, and the limiting mechanism comprises:
[0009] A fixed cylinder, a side of which is provided with a limiting cylinder, an inner wall of which is fixedly connected with a positioning plate;
[0010] A fixed block, a mounting frame and a positioning column, wherein the fixed block and the mounting frame are respectively located outside the fixed cylinder and the limiting cylinder, the positioning column is slidably arranged on the mounting frame, the limiting cylinder is connected to the fixed block through the mounting frame, and the positioning column is used to lock the relative position of the fixed block and the mounting frame.
[0011] Preferably, the fixing block is fixedly connected to the outside of the fixing tube, the side of the fixing tube is fixedly connected to the supporting tube, the mounting frame is fixedly connected to the outside of the limiting tube, a mounting groove is provided on the side of the fixing block, and the mounting frame is slidably connected with the inner cavity of the mounting groove.
[0012] Preferably, a mounting cylinder is fixedly connected to the side of the limiting cylinder, an annular groove is provided on the inner wall of the fixing cylinder, and the mounting cylinder is slidably and interlacedly connected with the inner cavity of the annular groove.
[0013] Preferably, a first sliding groove is provided on the side of the fixing block, a positioning groove is provided on the side of the inner wall of the mounting frame, and the positioning column is slidably and interlacedly connected with the first sliding groove and the inner cavity of the positioning groove.
[0014] Preferably, the top end of the positioning column is fixedly connected to an operating plate for pulling the positioning column to move vertically, the side of the operating plate is fixedly connected to a fixing frame, a second sliding groove is provided on the side of the fixing frame, and a positioning rod for locking the installation position of the fixing frame is slidably provided in the inner cavity of the second sliding groove, and the positioning rod is slidably and interlacedly connected with the inner cavity of the fixing frame.
[0015] Preferably, the end of the positioning rod is fixedly connected with a pulling plate for pulling the positioning rod to slide horizontally, the inner cavity of the fixed frame is slidably provided with an inspection plate, the side thread of the fixed frame is interspersed with a mounting bolt, and one end of the mounting bolt is interspersed with the thread of the inspection plate.
[0016] Preferably, the outer wall of the positioning rod is slidably interlaced with a sliding frame for driving the positioning rod to slide horizontally, and the side thread of the sliding frame is interlaced with a locking bolt, and one end of the locking bolt is threadedly interlaced with the positioning rod.
[0017] Preferably, the outer wall of the positioning rod is sleeved with a spring for driving the sliding frame to slide horizontally, one end of the spring is in contact with the sliding frame, and the other end of the spring is in contact with the side of the inner wall of the fixed frame.
[0018] Technical effects and advantages of the utility model:
[0019] The utility model utilizes the mutual cooperation of the fixing cylinder, the limiting cylinder, the positioning plate, the mounting cylinder, the fixing block, the mounting frame, the operating plate and the positioning column. After the locking piece locks the supporting cylinder, the locking piece is located inside the limiting cylinder, the positioning plate is slidably connected to the locking piece, the fixing block, the mounting frame and the positioning column install and disassemble the limiting cylinder and the fixing cylinder, the limiting cylinder performs anti-slip protection on the locking piece, which is beneficial for limiting the locking piece after the locking piece locks the supporting cylinder, and is convenient for preventing the locking piece from sliding arbitrarily, so as to increase the stability of the fan blade installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0021] Figure 2 It is a schematic diagram of the front structure of the utility model.
[0022] Figure 3 It is a front sectional structural diagram of the fixing cylinder of the utility model.
[0023] Figure 4 It is a front sectional structural schematic diagram of the fixing frame of the utility model.
[0024] In the figure: 1. support cylinder; 2. blade; 3. limit mechanism; 31. fixed cylinder; 32. limit cylinder; 33. positioning plate; 34. mounting cylinder; 35. fixed block; 36. mounting frame; 37. operating panel; 38. positioning column; 39. positioning rod; 310. fixed frame; 311. sliding frame; 312. spring; 313. pulling plate; 4. inspection plate; 5. mounting bolts. DETAILED DESCRIPTION
[0025] 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.
[0026] The utility model provides Figure 1-4 A self-cleaning fan blade shown in the figure includes a support tube 1, a locking piece rotates on the side of the support tube 1 to lock and fix the support tube 1 and the external shaft body, the outside of the support tube 1 is fixedly connected with a blade 2, the outside of the blade 2 is fixedly connected with a transparent film, the transparent film can be fixed by gluing, the transparent film is made of polytetrafluoroethylene, polytetrafluoroethylene is made of ultra-fine glass fiber fabric as a base material and coated with polytetrafluoroethylene resin, and has the characteristics of flame retardancy, anti-aging, anti-ultraviolet, good anti-fouling and self-cleaning properties and good welding performance. The transparent film is beneficial to protect the blade 2 from dust, and then when the blade 2 makes centrifugal motion, the dust is thrown off the blade 2 to realize the self-cleaning operation of the fan blade.
[0027] Furthermore, a limiting mechanism 3 is provided on the side of the support cylinder 1, and the limiting mechanism 3 includes a fixed cylinder 31, a fixed block 35, a mounting frame 36 and a positioning column 38. The fixed cylinder 31 is conducive to connecting with the limiting cylinder 32, which is convenient for installing and fixing the limiting cylinder 32. The fixed block 35 is conducive to connecting with the mounting frame 36, which is convenient for supporting the mounting frame 36. The mounting frame 36 is convex, and a circular groove matching the positioning rod 39 is opened on the side of the mounting frame 36. The mounting frame 36 is conducive to connecting the limiting cylinder 32 with the fixed cylinder 31. The locking member 31 is provided with a positioning plate 33 fixedly connected to the inner wall of the positioning plate 32, and a card slot is provided on the side of the locking member, and the positioning plate 33 slides with the inner cavity of the card slot. The fixing block 35 and the mounting bracket 36 are respectively located outside the fixing cylinder 31 and the limiting cylinder 32. The positioning column 38 is slidably arranged on the mounting bracket 36. The limiting cylinder 32 is connected to the fixing block 35 through the mounting bracket 36. The positioning column 38 is used to lock the relative position of the fixing block 35 and the mounting bracket 36. The fixing block 35 is fixedly connected to the outside of the fixing cylinder 31. The side of the fixing cylinder 31 is fixedly connected to the support cylinder 1. The mounting bracket 36 is fixedly connected to the fixing cylinder 31. Connected to the outside of the limiting cylinder 32, a mounting groove is provided on the side of the fixing block 35, and the mounting frame 36 is slidably and interlacedly connected with the inner cavity of the mounting groove. The side of the limiting cylinder 32 is fixedly connected with the mounting cylinder 34, which is conducive to positioning the installation of the limiting cylinder 32. An annular groove is provided on the inner wall of the fixing cylinder 31, and the mounting cylinder 34 is slidably and interlacedly connected with the inner cavity of the annular groove. A first sliding groove is provided on the side of the fixing block 35, and a positioning groove is provided on the side of the inner wall of the mounting frame 36. The positioning column 38 is slidably and interlacedly connected with the first sliding groove and the inner cavity of the positioning groove.
[0028] Specifically, the top of the positioning column 38 is fixedly connected with an operating plate 37 for pulling the positioning column 38 to move vertically, which is conducive to pulling the positioning column 38 to move and facilitate the pulling operation of the positioning column 38. The side of the operating plate 37 is fixedly connected with a fixing frame 310, which is conducive to supporting the operating plate 37. The side of the fixing frame 310 is provided with a second slide groove, and the inner cavity of the second slide groove is slidably provided with a positioning rod 39 for locking the installation position of the fixing frame 310, which is conducive to the relative positioning of the fixing frame 310 and the mounting frame 36. The position is limited, which is beneficial to limit the position of the positioning column 38 and avoid the random sliding of the positioning column 38. The positioning rod 39 is slidably connected with the inner cavity of the fixed frame 310. The end of the positioning rod 39 is fixedly connected with a pulling plate 313 for pulling the positioning rod 39 to slide horizontally, which is beneficial to pulling the positioning rod 39 to move and facilitate the pulling operation of the positioning rod 39. The inner cavity of the fixed frame 310 is slidably provided with an inspection plate 4, which is beneficial to the inspection of the internal components of the fixed frame 310. The side thread is inserted and connected with a mounting bolt 5, which is conducive to the installation and removal of the inspection plate 4. One end of the mounting bolt 5 is threadedly inserted and connected with the inspection plate 4. The outer wall of the positioning rod 39 is slidably inserted and connected with a sliding frame 311 for driving the positioning rod 39 to slide horizontally. The sliding frame 311 is set in a U shape. The sliding frame 311 is conducive to driving the positioning rod 39 to move, which is convenient for operating the positioning rod 39. The side thread of the sliding frame 311 is inserted and connected with a locking bolt, which is conducive to the installation and removal of the sliding frame 311. The spring 312 is convenient for installation and disassembly. One end of the locking bolt is threadably connected to the positioning rod 39. The outer wall of the positioning rod 39 is provided with a spring 312 for driving the sliding frame 311 to slide horizontally. The elastic force of the spring 312 is conducive to pushing the sliding frame 311 to move, so that the positioning rod 39 can be restored to its original position after movement, and the positioning rod 39 can be repeatedly operated. One end of the spring 312 is in contact with the sliding frame 311, and the other end of the spring 312 is in contact with the side of the inner wall of the fixed frame 310.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A self-cleaning fan blade, comprising: A support tube (1), wherein the outside of the support tube (1) is fixedly connected to a blade (2), and the outside of the blade (2) is fixedly connected to a transparent film; It is characterized in that a limiting mechanism (3) is provided on the side of the support tube (1), and the limiting mechanism (3) comprises: A fixed cylinder (31), a side portion of the fixed cylinder (31) is provided with a limiting cylinder (32), and an inner wall of the limiting cylinder (32) is fixedly connected with a positioning plate (33); A fixing block (35), a mounting frame (36) and a positioning column (38), wherein the fixing block (35) and the mounting frame (36) are respectively located outside the fixing cylinder (31) and the limiting cylinder (32), the positioning column (38) is slidably arranged on the mounting frame (36), the limiting cylinder (32) is connected to the fixing block (35) through the mounting frame (36), and the positioning column (38) is used to lock the relative position of the fixing block (35) and the mounting frame (36).
2. A self-cleaning fan blade according to claim 1, characterized in that: The fixing block (35) is fixedly connected to the outside of the fixing cylinder (31), the side of the fixing cylinder (31) is fixedly connected to the support cylinder (1), the mounting frame (36) is fixedly connected to the outside of the limiting cylinder (32), the side of the fixing block (35) is provided with a mounting groove, and the mounting frame (36) is slidably connected with the inner cavity of the mounting groove.
3. The self-cleaning fan blade according to claim 1, characterized in that: A mounting cylinder (34) is fixedly connected to the side of the limiting cylinder (32), an annular groove is provided on the inner wall of the fixing cylinder (31), and the mounting cylinder (34) is slidably connected with the inner cavity of the annular groove.
4. The self-cleaning fan blade according to claim 1, characterized in that: A first sliding groove is provided on the side of the fixing block (35), a positioning groove is provided on the side of the inner wall of the mounting frame (36), and the positioning column (38) is slidably connected with the first sliding groove and the inner cavity of the positioning groove.
5. The self-cleaning fan blade according to claim 1, characterized in that: The top end of the positioning column (38) is fixedly connected to an operating plate (37) for pulling the positioning column (38) to move vertically, and the side of the operating plate (37) is fixedly connected to a fixing frame (310). A second sliding groove is provided on the side of the fixing frame (310), and a positioning rod (39) for locking the installation position of the fixing frame (310) is slidably provided in the inner cavity of the second sliding groove, and the positioning rod (39) is slidably connected with the inner cavity of the fixing frame (310).
6. A self-cleaning fan blade according to claim 5, characterized in that: The end of the positioning rod (39) is fixedly connected to a pulling plate (313) for pulling the positioning rod (39) to slide horizontally, the inner cavity of the fixed frame (310) is slidably provided with an inspection plate (4), and the side of the fixed frame (310) is threadedly inserted with a mounting bolt (5), and one end of the mounting bolt (5) is threadedly inserted with the inspection plate (4).
7. A self-cleaning fan blade according to claim 6, characterized in that: The outer wall of the positioning rod (39) is slidably connected with a sliding frame (311) for driving the positioning rod (39) to slide horizontally, and the side of the sliding frame (311) is threadedly connected with a locking bolt, and one end of the locking bolt is threadedly connected with the positioning rod (39).
8. The self-cleaning fan blade according to claim 5, characterized in that: The outer wall of the positioning rod (39) is sleeved with a spring (312) for driving the sliding frame (311) to slide horizontally, one end of the spring (312) is in contact with the sliding frame (311), and the other end of the spring (312) is in contact with the side of the inner wall of the fixed frame (310).