Fan mounting structure
By installing baffles in the fan installation structure and controlling their opening and closing using gears, toothed plates, and drive motors, the problem of impurities entering after the fan stops running is solved, thus achieving stable operation of the fan and extending its service life.
Patent Information
- Application Number
- CN202422984234.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-04
AI Technical Summary
When the existing fan stops operating, external impurities enter the fan through the perforated parts of the mounting bracket, causing the fan blades to come into contact with the drive motor, resulting in operational jamming and affecting the fan's stability and lifespan.
Design a fan installation structure that uses a mounting plate and mounting frame, sets up a shielding blade, and realizes the automatic opening and closing of the shielding blade through a control mechanism. The opening and closing of the shielding blade is controlled by gears, toothed plates and drive motor to prevent impurities from entering.
It effectively prevents external impurities from entering the fan, ensuring that the through-holes of the shielding blades are in the same state when the fan is running and shut down, thus protecting the stable operation of the fan and extending its service life.
Smart Images

Figure CN223499763U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of installation structure technology, specifically a fan installation structure. Background Technology
[0002] In buildings and factories, fans are installed on the walls of the buildings to ventilate them. Currently, a mounting bracket is installed on the outside of the fan using screws or other threaded fasteners, so that the fan is securely installed on the building wall. The mounting bracket is also fixed to the building wall using screws or other threaded fasteners.
[0003] The existing mounting brackets are open at the positions corresponding to the fan's inlet and outlet. This structure mainly facilitates smooth airflow during fan operation. However, when the fan in the building stops operating, the wind force around the fan disappears, allowing impurities from the external environment to move into the fan. These impurities enter the fan through the open positions of the mounting bracket, causing the fan blades and drive motor to come into contact with them. Over time, the fan may experience operational stalls due to the influence of these impurities, affecting its stable operation and shortening its lifespan. To address the shortcomings of existing technology, we propose a new fan installation structure to solve these problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a fan installation structure that solves the problem that after the fan stops running, impurities from the external environment can enter the fan through the hollowed-out positions of the fixing frame, causing the fan blades and drive motor inside the fan to come into contact with the impurities. Over time, the fan may experience operational stagnation due to the influence of impurities, affecting the stable operation of the fan.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a fan mounting structure, comprising a mounting plate and a mounting frame for supporting the fan, wherein both the mounting plate and the mounting frame are provided with shielding blades, and both the mounting plate and the mounting frame have cavities inside, wherein a control mechanism is provided inside the cavity, the control mechanism comprising:
[0006] A shaft is fixedly connected to the end of the blocking leaf, and a gear is fixedly installed on the outer wall of the end of the shaft that extends into the cavity;
[0007] The toothed plate is slidably disposed inside the cavity and meshes with the outer wall of multiple sets of gears;
[0008] A control screw is mounted inside a cavity, and a drive motor is installed at one end of the control screw. The opening and closing of multiple sets of blocking blades are controlled through the threaded connection between the control screw and the toothed plate.
[0009] Preferably, a threaded block is fixedly provided on one side of the toothed plate, the threaded block is threadedly sleeved on the outer wall of the control screw, and a limiting rod for limiting the sliding of the toothed plate is fixedly provided inside the cavity.
[0010] Preferably, the cavity is provided with a connecting box for supporting the drive motor, and the connecting box is provided with a controller for connecting the drive motor to the fan network.
[0011] Preferably, a positioning component is provided between the mounting plate and the mounting bracket, the positioning component being used for convenient combination between the mounting plate and the mounting bracket.
[0012] Preferably, the positioning component includes a positioning plate fixedly disposed on the top surface of the mounting plate, a positioning hole formed on the bottom surface of the mounting frame, a positioning block disposed on the outer wall of the positioning plate for positioning the mounting frame at the installation position, and a positioning screw for fixing the positioning block and the positioning plate together.
[0013] Preferably, the outer wall of the positioning plate is provided with multiple sets of fixing holes, and one end of the positioning screw is threaded into the interior of one set of fixing holes.
[0014] Preferably, the mounting bracket is slidably disposed on the outer wall of the positioning plate through a positioning hole, and a screw assembly is provided between the positioning plate and the mounting bracket.
[0015] This utility model discloses a fan installation structure, which has the following beneficial effects: This fan installation structure, by setting baffles at the through holes of the mounting plate and mounting bracket supporting the fan, allows multiple sets of baffles to open or close simultaneously under the control of gears, gear plates, control screws, and drive motors. The drive motor is networked with the fan through a controller, enabling multiple sets of baffles to automatically open and close according to the fan's operating conditions, effectively preventing excessive impurities from the external environment from accumulating inside the fan. This allows the mounting plate and mounting bracket to not only support the fan but also protect it. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the connection structure of the mounting plate and mounting bracket of this utility model;
[0019] Figure 3 This is a schematic diagram of the positioning component structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the connection structure between the mounting plate and the shielding leaf of this utility model;
[0021] Figure 5 This is a schematic diagram of the connection structure of the shielding blade, gear, and toothed plate of this utility model;
[0022] Figure 6 This is a schematic diagram of the connection structure of the toothed plate, control screw, and connecting box of this utility model;
[0023] Figure 7 This is a plan view of the internal structure of the connector box of this utility model.
[0024] In the diagram: 1. Mounting plate; 2. Mounting bracket; 3. Baffle leaf; 4. Cavity; 5. Control mechanism; 51. Shaft; 52. Gear; 53. Gear plate; 531. Threaded block; 54. Control screw; 55. Connecting box; 56. Drive motor; 57. Controller; 58. Limit rod; 6. Positioning assembly; 61. Positioning plate; 62. Positioning hole; 63. Fixing hole; 64. Positioning block; 65. Positioning screw. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0026] This application provides a fan installation structure that solves the problem that after the fan stops running, impurities from the external environment can enter the fan through the open space of the fixing frame, causing the fan blades and drive motor to come into contact with the impurities. Over time, the impurities can cause the fan to stall, affecting its stable operation. The solution allows the open space of the fixing frame to be opened or closed simultaneously when the fan is running or shut down, thereby preventing excessive accumulation of impurities from the external environment inside the fan and affecting its stable operation.
[0027] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0028] This utility model discloses a fan installation structure.
[0029] According to the appendix Figure 1-7 As shown, the system includes a mounting plate 1 and a mounting bracket 2 for supporting the fan. A screw assembly is provided between the positioning plate 61 and the mounting bracket 2. The fan is installed inside the mounting plate 1 and the mounting bracket 2 by screws or other threaded fasteners. (Refer to the attached diagram.) Figure 2 The air outlet of the fan corresponds to the through hole on the mounting plate 1, and the air inlet of the fan corresponds to the through hole on the top surface of the mounting bracket 2, so that the fan can be installed on the building wall or other locations through the combined mounting plate 1 and mounting bracket 2.
[0030] See attached document Figure 2 Both the mounting plate 1 and the mounting bracket 2 are equipped with shielding blades 3. The shielding blades 3 can control the opening and closing of the through holes on the mounting plate 1 and the mounting bracket 2, so that when the fan stops running, the shielding blades 3 are closed, the through holes are blocked, and impurities in the external environment are prevented from entering the fan through the through holes.
[0031] See attached document Figure 4-7 Both the mounting plate 1 and the mounting bracket 2 have cavities 4 inside. A control mechanism 5 is installed inside each cavity 4. This control mechanism 5 enables automatic opening and closing control of multiple sets of shielding blades 3 according to the fan's operating status. The control mechanism 5 includes a shaft 51, which is fixedly connected to the end of each shielding blade 3 and to the middle of the end of each shielding blade 3. A gear 52 is fixedly installed on the outer wall of one end of the shaft 51 extending into the cavity 4. A gear plate 53 is slidably disposed inside the cavity 4, and simultaneously meshes with the outer walls of multiple sets of gears 52. A control screw 54 is rotatably disposed inside the cavity 4, and a drive motor 56 is installed at one end of the control screw 54. The control mechanism controls the movement of the screw 54 and the gear plate 53. The threaded connection controls the simultaneous opening or closing of multiple sets of shielding blades 3. A threaded block 531 is fixedly installed on one side of the toothed plate 53, and the threaded block 531 is threadedly sleeved on the outer wall of the control screw 54. A limiting rod 58 for limiting the sliding of the toothed plate 53 is fixedly installed inside the cavity 4. A connecting box 55 for supporting the drive motor 56 is installed inside the cavity 4. A controller 57 for connecting the drive motor 56 to the fan network is installed inside the connecting box 55. That is, through the controller 57, when the fan starts, the controller 57 transmits the start command to the drive motor 56, so that the drive motor 56 drives the control screw 54 to rotate forward, thereby moving the toothed plate 53 to drive the multiple sets of shielding blades 3 to open. See the appendix for details. Figure 5 Specifically, the multiple sets of shading leaves 3 in the initial state are as shown in the attached figure. Figure 2As shown, all sets of shielding blades 3 are in the closed state. When the fan is started via remote switch control, the controller 57 connected to the fan network receives the start command, causing the controller 57 to transmit the start command to the drive motor 56. This causes the drive motor 56 to drive the control screw 54 to rotate forward. Subsequently, under the threaded connection between the control screw 54 and the threaded block 531, the toothed plate 53 moves along the outer wall of the control screw 54 and the limit rod 58 towards the connecting box 55. Under the meshing of the toothed plate 53 and multiple sets of gears 52, the multiple sets of shielding blades 3 rotate along the shaft 51, thus opening the multiple sets of shielding blades 3 so that the air generated by the fan can pass through the opened shielding blades. The gap between the baffles 3 flows to the external environment. Conversely, after the fan is turned off by remote switch control, the controller 57 connected to the fan network receives the shutdown command, which causes the controller 57 to transmit the shutdown command to the drive motor 56, causing the drive motor 56 to drive the control screw 54 to reverse. Subsequently, under the action of the threaded connection between the control screw 54 and the threaded block 531, the toothed plate 53 is driven to move away from the connecting box 55 along the outer wall of the control screw 54 and the limit rod 58. Under the meshing of the toothed plate 53 and multiple sets of gears 52, multiple sets of baffles 3 are driven to rotate along the shaft 51, so that multiple sets of baffles 3 are closed. At this time, the inlet and outlet ends of the fan are in a blocked state.
[0032] See attached document Figure 3 A positioning component 6 is provided between the mounting plate 1 and the mounting bracket 2. The positioning component 6 is used for convenient combination between the mounting plate 1 and the mounting bracket 2. The positioning component 6 includes a positioning plate 61 fixedly disposed on the top surface of the mounting plate 1, a positioning hole 62 opened on the bottom surface of the mounting bracket 2, a positioning block 64 disposed on the outer wall of the positioning plate 61 for positioning the mounting bracket 2 in the installation position, and a positioning screw 65 for fixing the positioning block 64 and the positioning plate 61. The mounting bracket 2 is slidably disposed on the outer wall of the positioning plate 61 through the positioning hole 62. The outer wall of the positioning plate 61 is provided with multiple sets of fixing holes 63. One end of the positioning screw 65 is threaded into the interior of a set of fixing holes 63. By moving the positioning block 64 to the fixing holes 63 at different positions on the outer wall of the positioning plate 61, the installation position of the mounting bracket 2 on the mounting plate 1 is positioned.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A fan mounting structure, comprising a mounting plate (1) and a mounting bracket (2) for supporting a fan, characterized in that, Both the mounting plate (1) and the mounting bracket (2) are provided with shielding leaves (3). Both the mounting plate (1) and the mounting bracket (2) have cavities (4) inside. A control mechanism (5) is provided inside the cavity (4). The control mechanism (5) includes: A shaft (51) is fixedly connected to the end of the shielding leaf (3), and a gear (52) is fixedly provided on the outer wall of one end of the shaft (51) extending into the cavity (4); The toothed plate (53) is slidably disposed inside the cavity (4), and the toothed plate (53) meshes with the outer wall of the multiple sets of gears (52); A control screw (54) is rotated inside the cavity (4). One end of the control screw (54) is equipped with a drive motor (56). The opening and closing of multiple sets of blocking blades (3) are controlled by the threaded connection between the control screw (54) and the toothed plate (53).
2. The fan installation structure according to claim 1, characterized in that: A threaded block (531) is fixedly provided on one side of the toothed plate (53), and the threaded block (531) is threadedly sleeved on the outer wall of the control screw (54). A limiting rod (58) for limiting the sliding of the toothed plate (53) is fixedly provided inside the cavity (4).
3. The fan installation structure according to claim 2, characterized in that: The cavity (4) is provided with a connection box (55) for supporting the drive motor (56), and the connection box (55) is provided with a controller (57) for connecting the drive motor (56) to the fan network.
4. The fan installation structure according to claim 1, characterized in that: A positioning component (6) is provided between the mounting plate (1) and the mounting bracket (2), and the positioning component (6) is used for convenient combination between the mounting plate (1) and the mounting bracket (2).
5. The fan installation structure according to claim 4, characterized in that: The positioning component (6) includes a positioning plate (61) fixedly disposed on the top surface of the mounting plate (1), a positioning hole (62) opened on the bottom surface of the mounting frame (2), a positioning block (64) disposed on the outer wall of the positioning plate (61) for positioning the mounting frame (2) in the installation position, and a positioning screw (65) for fixing the positioning block (64) and the positioning plate (61) to each other.
6. The fan installation structure according to claim 5, characterized in that: The outer wall of the positioning plate (61) is provided with multiple sets of fixing holes (63), and one end of the positioning screw (65) is threaded into the interior of a set of fixing holes (63).
7. A fan installation structure according to claim 6, characterized in that: The mounting bracket (2) is slidably disposed on the outer wall of the positioning plate (61) through the positioning hole (62), and a screw assembly is provided between the positioning plate (61) and the mounting bracket (2).