Energy-saving fan with adjustable blades
By designing the fan control structure and baffle structure with adjustable blades, the problem of existing fans being shut down to adjust the air volume and air pressure is solved, and convenient adjustment and safety protection are achieved.
Patent Information
- Application Number
- CN202422558843.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-23
AI Technical Summary
When adjusting the air volume and air pressure, existing fans need to stop working and replace the blades, which increases the workload and poses safety risks.
An energy-saving fan with adjustable blades is designed to achieve air volume and air pressure without shutdown adjustment through the control structure and baffle structure, and to protect staff safety through baffle.
It realizes convenient adjustment of air volume and air pressure, reduces downtime operations, improves work efficiency, and protects the safety of staff.
Smart Images

Figure CN223152364U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fans, and particularly relates to an energy-saving fan with adjustable blades. Background Art
[0002] An adjustable-blade fan optimizes the air volume and air pressure by adjusting the blade angle, thereby improving the efficiency and reliability of the fan. This adjustment can not only improve the performance of the fan, but also meet various application requirements and improve the response speed of the system. This design provides a reliable solution for fields such as industrial production, air conditioning systems, and ventilation systems.
[0003] However, for the existing fans to adjust the air volume and air pressure according to the usage scenario, it is necessary to stop the rotation of the working fan and replace the blades at the same time. This process stops the operation of the fan, increases the workload of the staff, and the blades that have been working for a long time may rotate unstably and cause harm to the staff. Summary of the Utility Model
[0004] In order to overcome the deficiencies in the prior art that the fan stops working to replace the blades to adjust the air volume and air pressure and there is no baffle to block the blades from flying out, one of the purposes of the present utility model is to provide an energy-saving fan with adjustable blades.
[0005] One of the purposes of the present utility model is realized by adopting the following technical solution: An energy-saving fan with adjustable blades, comprising a housing: a support structure is arranged on the lower side of the housing, a blade rotation structure is arranged inside the housing, a control structure is arranged at the rear side of the housing, and a baffle structure is arranged at the front side of the housing;
[0006] The control structure includes a first disc, the first disc is fixedly connected to the rear side of the housing, a circular ring block is fixedly connected to the rear side of the first disc, a second disc is fixedly connected to the rear side of the circular ring block, six sector holes are formed in the outer sides of the first disc and the second disc, a first motor is fixedly connected to the rear side of the second disc, a rotating rod is arranged between the second disc and the first disc, a sector block is fixedly connected to the outer side of the rotating rod, there are six sector blocks and they are the same size as the sector holes, and the rear end of the rotating rod passes through the second disc and is fixedly connected to the output end of the first motor. It is beneficial to control the air volume and air pressure of the fan.
[0007] According to the energy-saving fan with adjustable blades described above, the support structure includes an arc-shaped block, the arc-shaped block is fixedly connected to the outer side of the housing, support blocks are fixedly connected to the left and right sides of the arc-shaped block, a support leg is fixedly connected to the lower side of the support block, and there are four support legs in total. It is beneficial to fix the fan.
[0008] According to the energy-saving fan with adjustable blades described above, the sector block and the ring block are slidably connected, and the sector block is slidably connected to the first disc and the second disc. This facilitates the rotation of the sector block.
[0009] According to the energy-saving fan with adjustable blades described above, the blade rotation structure includes a second motor. The second motor is fixedly connected to the front side of the first disc. The output end of the second motor is fixedly connected to a first rotating shaft. An impeller is fixedly connected to the outer side of the first rotating shaft. Grooves are provided on the outer side of the impeller. There are seven grooves. Blade blocks are arranged inside the grooves. Threaded holes are provided on the outer sides of the blade blocks and the impeller. Bolts are arranged inside the threaded holes. This is conducive to the installation of the initial number of blades.
[0010] According to the energy-saving fan with adjustable blades described above, the blade blocks and the impeller are slidably connected, and the bolts are threadedly connected to the impeller and the blade blocks. This is conducive to the stability of the blades.
[0011] According to the energy-saving fan with adjustable blades described above, the baffle structure includes a square groove and a sliding groove. The square groove and the sliding groove are provided on the outer side of the housing. A round rod is arranged inside the square groove. A rotating block is fixedly connected to the outer side of the round rod. A baffle plate is fixedly connected to the outer side of the rotating block. A slider is arranged inside the sliding groove. This is conducive to protecting the staff from being injured by the flying-out blades.
[0012] According to the energy-saving fan with adjustable blades described above, the round rod and the housing are rotatably connected. The slider and the baffle plate are fixedly connected. The baffle plate, the slider and the housing are slidably connected. Four sector holes are provided on the outer side of the baffle plate. This facilitates the baffle plate to protect the staff from being injured.
[0013] According to the energy-saving fan with adjustable blades described above, a second rotating shaft is rotatably connected to the outer side of the housing. A limiting block is fixedly connected to the front end of the second rotating shaft. The limiting block and the housing are rotatably connected. This is conducive to the movement of the baffle plate.
[0014] The beneficial effects of the above solution are:
[0015] 1. Through the setting of the control structure, when the staff wants to adjust the air pressure and air volume of the fan, the staff can adjust the air pressure and air volume of the fan without stopping the rotation of the blades, which is convenient, fast, time-saving and labor-saving.
[0016] 2. Through the setting of the baffle structure, even if the blades are unstable and rotate out, there is the protection of the baffle plate, so that the staff will not be injured, and at the same time, it is also convenient for the staff to clean.
[0017] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Brief Description of the Drawings
[0018] The present utility model will be further described below in conjunction with the drawings and embodiments;
[0019] Figure 1 It is a front view structural schematic diagram of an energy-saving fan with adjustable blades according to the present utility model;
[0020] Figure 2 It is a structural schematic diagram of the control structure of an energy-saving fan with adjustable blades according to the present utility model;
[0021] Figure 3 It is a structural schematic diagram of the blade rotation structure of an energy-saving fan with adjustable blades according to the present utility model;
[0022] Figure 4 It is a structural schematic diagram of the baffle structure of an energy-saving fan with adjustable blades according to the present utility model.
[0023] Legend Explanation:
[0024] 1. Outer shell; 2. Support structure; 201. Arc-shaped block; 202. Bracket block; 203. Leg support; 3. Control structure; 301. Disc one; 302. Ring block; 303. Disc two; 304. Motor one; 305. Rotating rod; 306. Sector block; 4. Blade rotation structure; 401. Motor two; 402. Shaft one; 403. Impeller; 404. Groove; 405. Blade block; 406. Threaded hole; 407. Bolt; 5. Baffle structure; 501. Square groove; 502. Round rod; 503. Rotating block; 504. Baffle plate; 505. Slide groove; 506. Slide block; 507. Shaft two; 508. Limit block. Detailed Embodiment
[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.
[0026] Refer to Figures 1-4, an energy-saving fan with adjustable blades, comprising a housing 1: a support structure 2 is arranged on the lower side of the housing 1, a blade rotating structure 4 is arranged inside the housing 1, a control structure 3 is arranged on the rear side of the housing 1, and a baffle structure 5 is arranged on the front side of the housing 1. The support structure 2 includes an arc-shaped block 201, the arc-shaped block 201 is fixedly connected to the outside of the housing 1, support blocks 202 are fixedly connected to the left and right sides of the arc-shaped block 201, and support legs 203 are fixedly connected to the lower sides of the support blocks 202. There are four support legs 203 in total. The blade rotating structure 4 includes a second motor 401, the second motor 401 is fixedly connected to the front side of a first disc 301, the output end of the second motor 401 is fixedly connected to a first rotating shaft 402, an impeller 403 is fixedly connected to the outside of the first rotating shaft 402, grooves 404 are formed on the outside of the impeller 403, there are seven grooves 404, blade blocks 405 are arranged inside the grooves 404, threaded holes 406 are formed on the outside of the blade blocks 405 and the impeller 403, bolts 407 are arranged inside the threaded holes 406, the blade blocks 405 are slidably connected to the impeller 403, and the bolts 407 are threadedly connected to the impeller 403 and the blade blocks 405. The PLC controller is electrically connected to the first motor 304 and the second motor 401, facilitating the operation of the control components. First, the staff places the support legs 203 of the support structure 2 at the working position, then the staff selects and installs several blade blocks 405 through the grooves 404 on the impeller 403, allows the staff to install the blade blocks 405 through the bolts 407, then starts the second motor 401, the second motor 401 drives the first rotating shaft 402 to rotate, the first rotating shaft 402 drives the impeller 403 to rotate, the impeller 403 drives the blade blocks 405 to rotate, and starts the fan to work. The adjustable blade blocks 405 facilitate the adjustment of the air volume and air pressure by the staff.
[0027] The control structure 3 includes a first disc 301. The first disc 301 is fixedly connected to the rear side of the housing 1. A ring block 302 is fixedly connected to the rear side of the first disc 301. A second disc 303 is fixedly connected to the rear side of the ring block 302. Six fan-shaped holes are provided on the outer sides of the first disc 301 and the second disc 303. A first motor 304 is fixedly connected to the rear side of the second disc 303. A rotating rod 305 is provided between the second disc 303 and the first disc 301. Fan-shaped blocks 306 are fixedly connected to the outer side of the rotating rod 305. There are six fan-shaped blocks 306 and they are the same size as the fan-shaped holes. The rear end of the rotating rod 305 passes through the second disc 303 and is fixedly connected to the output end of the first motor 304. The fan-shaped blocks 306 are slidably connected to the ring block 302, and the fan-shaped blocks 306 are slidably connected to the first disc 301 and the second disc 303. When the staff wants to adjust the air volume and air pressure, the staff can start the first motor 304 at this time. The first motor 304 drives the rotating rod 305 to rotate. The rotating rod 305 drives the fan-shaped blocks 306 to block the fan-shaped holes of the first disc 301 and the second disc 303, so as to control the air volume and air pressure. The control structure 3 enables the staff to adjust the air pressure and air volume of the fan without stopping the rotation of the blades when they want to adjust the air pressure and air volume of the fan, which is convenient, fast, time-saving and labor-saving.
[0028] The baffle structure 5 includes a square groove 501 and a sliding groove 505. The square groove 501 and the sliding groove 505 are provided on the outer side of the housing 1. A round rod 502 is provided inside the square groove 501. A rotating block 503 is fixedly connected to the outer side of the round rod 502. A baffle plate 504 is fixedly connected to the outer side of the rotating block 503. A slider 506 is provided inside the sliding groove 505. The round rod 502 is rotatably connected to the housing 1. The slider 506 is fixedly connected to the baffle plate 504. The baffle plate 504, the slider 506 and the housing 1 are slidably connected. Four fan-shaped holes are provided on the outer side of the baffle plate 504. A second rotating shaft 507 is rotatably connected to the outer side of the housing 1. A limiting block 508 is fixedly connected to the front end of the second rotating shaft 507. The limiting block 508 is rotatably connected to the housing 1. When the staff wants to clean the baffle plate 504 and the blade block 405, the staff pushes aside the limiting block 508, then holds the baffle plate 504 and moves it. After that, the baffle plate 504 can be cleaned, and then the blade block 405 can also be cleaned. At the same time, the setting of the baffle structure 5, even if the blades are unstable and the blades rotate out, there is the protection of the baffle plate 504, which will not cause harm to the staff, and it is also convenient for the staff to clean.
[0029] Working principle: The staff can place it at the required position through the support structure 2, and then start the blade rotation structure 4, allowing the staff to select and add several blade blocks 405 for the fan. After that, the fan starts to work. At the same time, the control structure 3 controls the air volume and air pressure of the fan. When the blades work for a long time, the blade blocks 405 are unstable. There is a baffle structure 5 to prevent the situation that the fallen blades damage the staff, protecting the staff from harm.
[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.
Claims
1. An energy-saving fan with adjustable blades, characterized in that, It includes a housing (1): A support structure (2) is provided on the lower side of the housing (1), a blade rotation structure (4) is provided inside the housing (1), a control structure (3) is provided on the rear side of the housing (1), and a baffle structure (5) is provided on the front side of the housing (1). The control structure (3) includes a first disk (301), the first disk (301) is fixedly connected to the rear side of the housing (1), a circular ring block (302) is fixedly connected to the rear side of the first disk (301), a second disk (303) is fixedly connected to the rear side of the circular ring block (302), six sector-shaped holes are provided on the outer sides of the first disk (301) and the second disk (303), a first motor (304) is fixedly connected to the rear side of the second disk (303), a rotating rod (305) is provided between the second disk (303) and the first disk (301), a sector-shaped block (306) is fixedly connected to the outer side of the rotating rod (305), there are six sector-shaped blocks (306) and they are the same size as the sector-shaped holes, and the rear end of the rotating rod (305) passes through the second disk (303) and is fixedly connected to the output end of the first motor (304).
2. The energy-saving fan with adjustable blades according to claim 1, characterized in that, The support structure (2) includes an arc-shaped block (201), the arc-shaped block (201) is fixedly connected to the outer side of the housing (1), support blocks (202) are fixedly connected to the left and right sides of the arc-shaped block (201), support feet (203) are fixedly connected to the lower sides of the support blocks (202), and there are four support feet (203) in total.
3. The energy-saving fan with adjustable blades according to claim 1, wherein, The sector-shaped block (306) is slidably connected to the circular ring block (302), and the sector-shaped block (306) is slidably connected to the first disk (301) and the second disk (303).
4. The energy-saving fan with adjustable blades according to claim 1, characterized in that, The blade rotation structure (4) includes a second motor (401), the second motor (401) is fixedly connected to the front side of the first disk (301), a first rotating shaft (402) is fixedly connected to the output end of the second motor (401), an impeller (403) is fixedly connected to the outer side of the first rotating shaft (402), grooves (404) are provided on the outer side of the impeller (403), there are seven grooves (404), blade blocks (405) are provided inside the grooves (404), threaded holes (406) are provided on the outer sides of the blade blocks (405) and the impeller (403), and bolts (407) are provided inside the threaded holes (406).
5. The energy-saving fan with adjustable blades according to claim 4, characterized in that, The blade block (405) is slidably connected to the impeller (403), and the bolts (407) are threadedly connected to the impeller (403) and the blade blocks (405).
6. The energy-saving fan with adjustable blades according to claim 1, characterized in that, The baffle structure (5) includes a square groove (501) and a sliding groove (505), the square groove (501) and the sliding groove (505) are provided on the outer side of the housing (1), a round rod (502) is provided inside the square groove (501), a rotating block (503) is fixedly connected to the outer side of the round rod (502), a baffle block (504) is fixedly connected to the outer side of the rotating block (503), and a slider (506) is provided inside the sliding groove (505).
7. The energy-saving fan with adjustable blades according to claim 6, characterized in that, The round rod (502) is rotatably connected to the outer shell (1), the slider (506) is fixedly connected to the baffle plate (504), the baffle plate (504), the slider (506) and the outer shell (1) are slidably connected, and four sector holes are formed on the outer side of the baffle plate (504).
8. The energy-saving fan with adjustable blades according to claim 1, characterized in that, A second rotating shaft (507) is rotatably connected to the outer side of the outer shell (1), a limiting block (508) is fixedly connected to the front end of the second rotating shaft (507), and the limiting block (508) is rotatably connected to the outer shell (1).