Circulation fan blade and circulation fan
The design of the limiting rod, ring, and spring structure simplifies the disassembly and installation process of the safety net cover for the circulating fan, solves the cumbersome installation and disassembly problems in the existing technology, and improves work efficiency.
Patent Information
- Application Number
- CN202520810715.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-27
AI Technical Summary
The installation and removal of safety net covers for existing circulating fans are cumbersome and time-consuming, affecting work efficiency.
The safety net is designed with a limit rod, a ring, and a spring. The ring drives the slider and the limit rod to move, enabling quick disassembly and installation of the safety net and reducing reliance on bolts.
It simplifies the disassembly and installation process of safety nets and improves work efficiency.
Smart Images

Figure CN223908475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a circulation fan technical field more particularly to a circulation fan blade and circulation fan. BACKGROUND
[0002] The circulation fan is a kind of ventilation equipment frequently used in livestock and poultry breeding room, in livestock and poultry breeding farm, livestock and poultry in breeding are all concentrated in breeding room, and the density of breeding is far greater than that of outdoor free-range density, in order to ensure the circulation of air in breeding room, circulation fan needs to be installed in breeding room, to achieve the purpose of indoor air circulation, the existing fan includes fan shell, motor, safety net cover and blade, air enters from the air inlet of fan when fan works, and then air outlet is exported from the air outlet, to increase the indoor air circulation.
[0003] When the existing circulation fan is in the air, the dust and impurities in the air will be adsorbed on the safety net cover, and the impurities and dust will gradually accumulate to block the pores of the net cover, so that the ventilation area is reduced and the air flow resistance is increased, which will cause the decrease of the air intake and air outlet of the fan, and affect the ventilation effect of the circulation fan, so the staff needs to disassemble and clean the safety net cover from the fan regularly, the existing safety net cover is connected with the fan shell by a plurality of bolts during installation, so the staff needs to tighten the bolts one by one during installation, and the bolts also need to be loosened one by one during disassembly, so the installation and disassembly mode is relatively cumbersome, time-consuming is relatively long, and the working efficiency is reduced. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a circulation fan blade and a circulation fan to solve the problems in the above background art.
[0005] The utility model provides the following technical scheme: a circulation fan blade and a circulation fan, which comprise a fan main body and a fan blade, further comprise two safety net covers, four limiting holes, four limiting rods and a circular ring, the two safety net covers are provided with a connecting assembly, the four limiting holes are arranged on the connecting assembly in a ring shape at equal intervals, the two ends of the fan main body are fixedly provided with a fixed assembly, four groups of moving assemblies that move along the corresponding fixed assemblies are arranged on each fixed assembly in a ring shape at equal intervals, the four limiting rods are arranged on the four groups of moving assemblies, the circular ring is arranged on the four groups of moving assemblies, a driving assembly for driving the fan blade to rotate is arranged in the fan main body, the driving assembly is connected with the fan blade, and the four limiting holes are matched with the four limiting rods.
[0006] Further, the driving assembly comprises a motor and a plurality of supporting rods, the motor is arranged in the fan main body, the plurality of supporting rods are fixedly connected with the shell of the motor in a ring shape at equal intervals, the other ends of the plurality of supporting rods are fixedly connected with the inner wall of the fan main body, and the fan blade is fixedly connected with the output end of the motor.
[0007] Further, the connecting assembly comprises four connecting rods, the four connecting rods are fixedly connected with the safety net cover in a ring shape and equidistance, and four limiting holes are arranged on the four connecting rods.
[0008] Further, the fixing assembly comprises a ring-shaped plate, four fixing holes, four fixing columns and a ring-shaped limiting rod, the ring-shaped plate is fixedly sleeved on the fan main body, the four fixing holes are arranged on the ring-shaped plate in a ring shape and equidistance, the four fixing columns are fixedly installed on the back surface of the ring-shaped plate in a ring shape and equidistance, and the ring-shaped limiting rod is fixedly connected with the four fixing columns.
[0009] Further, the four groups of moving assemblies each comprise a spring and a sliding block, the four springs are sleeved on the ring-shaped limiting rod in a ring shape and equidistance, one end of each spring is fixedly connected with a corresponding fixing column, the four sliding blocks are sleeved on the ring-shaped limiting rod in a ring shape and equidistance, the other end of each spring is fixedly connected with a corresponding sliding block, the sliding block is in sliding fit with the arc-shaped plate and the ring-shaped limiting rod, and a circular ring is fixedly installed on the four sliding blocks.
[0010] Further, the surface of the fan main body is fixedly installed with a connecting seat.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] 1. The utility model discloses a connecting seat is fixedly installed on the surface of the fan main body, and the four connecting rods are fixedly connected with the safety net cover in a ring shape and equidistance, so that the safety net cover can be connected with the fan main body or separated from the fan main body through the four connecting rods, and the safety net cover can be conveniently connected or separated from the fan main body.
[0013] 2. The utility model discloses that four springs drive corresponding sliding blocks to rebound, and the sliding blocks drive corresponding limiting rods to move along the ring-shaped limiting rod, so that the four limiting rods pass through corresponding limiting holes respectively, and the safety net cover is fixed on the fan main body at this moment, so that the safety net cover can be conveniently installed by the staff, and the staff does not need to tighten the bolts one by one to install, thereby improving the installation efficiency. DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the sectional structure schematic view of the utility model;
[0016] Figure 3 It is the fixing assembly structure schematic view of the utility model;
[0017] Figure 4 It is the fixing assembly structure schematic view of the utility model; Figure 3 It is the enlarged structure schematic view of part A of the utility model.
[0018] The reference signs are: 1, fan body; 2, fan blade; 3, safety screen; 4, limiting hole; 5, limiting rod; 6, circular ring; 7, connecting assembly; 701, connecting rod; 8, fixing assembly; 801, annular plate; 802, fixing hole; 803, fixing column; 804, annular limiting rod; 9, moving assembly; 901, spring; 902, sliding block; 10, driving assembly; 1001, motor; 1002, support rod; 11, connecting seat. DETAILED DESCRIPTION
[0019] The detailed description given below in connection with specific embodiments is intended to better explain the present application, and people skilled in the art should understand that the structure of the present application certainly exceeds the limited embodiments, and some equivalent replacement schemes or common means are not described in detail, but still belong to the protection scope of the present application.
[0020] Figures 1-4 The best embodiment of the present application is described below in connection with the accompanying drawings. Figure 1 ~ the accompanying drawings Figure 4 The present application is further described.
[0021] The utility model discloses a circulating fan blade and circulating fan, including fan body 1 and fan blade 2, still include two safety screen 3, four limiting hole 4, four limiting rod 5 and circular ring 6, two safety screen 3 all are provided with connecting assembly 7, four limiting hole 4 are annularly equidistant and are set up on connecting assembly 7, the both ends of fan body 1 all are fixedly installed with fixed assembly 8, and each group fixed assembly 8 all annularly equidistantly are provided with four groups of moving assembly 9 along corresponding fixed assembly 8 moves, four limiting rod 5 are arranged on four groups of moving assembly 9 respectively, and circular ring 6 is arranged on four groups of moving assembly 9, and the driving assembly 10 of driving fan blade 2 to rotate is arranged in fan body 1, and driving assembly 10 is connected with fan blade 2, and four limiting hole 4 is matched with four limiting rod 5.
[0022] In the embodiment, when used, two safety covers 3 are respectively installed at the air inlet and air outlet of the fan body 1. The fan blades 2 are driven to rotate by the driving assembly 10, so that the air enters from the air inlet of the fan body 1 and exits from the air outlet of the fan body 1, and the air is rapidly circulated. When the fan blades 2 no longer rotate and the safety cover 3 needs to be disassembled and cleaned, the four limiting rods 5 are initially inserted through the four limiting holes 4. At this time, the safety cover 3 is tightly fixed with the two ends of the fan body 1. At this time, the worker rotates the ring 6, and the ring 6 drives the four sets of moving assemblies 9 to rotate along the fixed assembly 8, and drives the four limiting rods 5 to move out of the limiting holes 4. At this time, the safety cover 3 is fixed with the fan body 1. At this time, the worker removes the safety cover 3 from the fan body 1, the connecting assembly 7 is separated from the fixed assembly 8, and the safety cover 3 is cleaned by artificial. The worker does not need to disassemble the bolts one by one, thereby improving the disassembly efficiency. When a new safety cover 3 needs to be connected and fixed with the fan body 1, the connecting assembly 7 is inserted through the fixed assembly 8. At this time, the safety cover 3 abuts against the fan body 1. At this time, the worker reversely rotates the ring 6, so that the ring 6 drives the four sets of moving assemblies 9 and the limiting rods 5 to move along the fixed assembly 8, so that the four limiting rods 5 are respectively inserted through the corresponding limiting holes 4. At this time, the safety cover 3 is fixed with the fan body 1. The worker does not need to tighten the bolts one by one, thereby improving the installation efficiency.
[0023] Specifically, the driving assembly 10 includes a motor 1001 and a plurality of support rods 1002. The motor 1001 is arranged in the fan body 1. The plurality of support rods 1002 are fixedly connected with the shell of the motor 1001 in a ring shape at equal intervals. The other ends of the plurality of support rods 1002 are fixedly connected with the inner wall of the fan body 1. The fan blades 2 are fixedly connected with the output end of the motor 1001.
[0024] In the embodiment, the motor 1001 is a stepper motor 1001 in the prior art, which is not explained here. The motor 1001 is externally connected with a power supply. The power supply line externally connected is penetrated through the fan body 1 and fixedly connected with the fan body 1. When the air in the greenhouse needs to be circulated, the motor 1001 is powered at this time, and the motor 1001 drives the fan blades 2 to rotate, so that the air enters from the air inlet of the fan body 1 and exits from the air outlet of the fan body 1, thereby circulating the air. When the work is finished, the motor 1001 is powered off.
[0025] Specifically, the connecting assembly 7 comprises four connecting rods 701, the four connecting rods 701 are fixedly connected with the safety net cover 3 in a ring shape at equal intervals, four limiting holes 4 are arranged on the four connecting rods 701 respectively, the fixing assembly 8 comprises a ring-shaped plate 801, four fixing holes 802, four fixing columns 803 and a ring-shaped limiting rod 804, the ring-shaped plate 801 is fixedly sleeved on the fan main body 1, the four fixing holes 802 are arranged on the ring-shaped plate 801 in a ring shape at equal intervals, the four fixing columns 803 are fixedly installed on the back of the ring-shaped plate 801 in a ring shape at equal intervals, and the ring-shaped limiting rod 804 is fixedly connected with the four fixing columns 803.
[0026] In the embodiment, the connecting rod 701 passes through the fixing hole 802, the safety net cover 3 is close to the fan main body 1, the limiting rod 5 passes through the limiting hole 4, at this time, the safety net cover 3 is connected and fixed with the fan main body 1, when it is needed to take down the safety net cover 3 from the fan main body 1, the four limiting rods 5 are made to come out of the limiting hole 4 through the circular ring 6, at this time, the worker pulls the safety net cover 3, so that the safety net cover 3 is not in contact with the fan main body 1, the connecting rod 701 comes out of the fixing hole 802, at this time, the dismounting is completed, when it is needed to install, the four connecting rods 701 are made to pass through the corresponding fixing holes 802 through the worker, the limiting hole 4 is arranged on the back of the ring-shaped plate 801, at this time, the safety net cover 3 is close to the fan main body 1, and the limiting rod 5 is made to pass through the corresponding limiting hole 4 through the worker, at this time, the safety net cover 3 is connected and fixed with the fan main body 1, at this time, the installation is completed.
[0027] Specifically, the four groups of moving assemblies 9 all comprise a spring 901 and a sliding block 902, the four springs 901 are sleeved on the ring-shaped limiting rod 804 in a ring shape at equal intervals, one end of the four springs 901 is fixedly connected with the corresponding fixing column 803, the four sliding blocks 902 are sleeved on the ring-shaped limiting rod 804 in a ring shape at equal intervals, the other end of the four springs 901 is fixedly connected with the corresponding sliding block 902, the sliding block 902 is in sliding fit with the arc-shaped plate and the ring-shaped limiting rod 804, and the circular ring 6 is fixedly installed on the four sliding blocks 902.
[0028] In the embodiment, when the safety cover 3 needs to be detached from the fan body 1, the worker rotates the ring 6, the ring 6 drives the four sliders 902 to rotate, the sliders 902 move along the annular limiting rods 804 and press the springs 901, the four sliders 902 move and drive the corresponding limiting rods 5 to move synchronously, the four limiting rods 5 are out of the limiting holes 4, at this time, the safety cover 3 is no longer connected and fixed with the fan body 1, which is convenient for the worker to detach, when the safety cover 3 needs to be installed on the fan body 1, the four limiting holes 4 are located at the back of the annular plate 801, at this time, the worker no longer rotates the ring 6, the corresponding sliders 902 are driven by the four springs 901 to rebound, the sliders 902 drive the corresponding limiting rods 5 to move along the annular limiting rods 804, the four limiting rods 5 pass through the corresponding limiting holes 4 respectively, at this time, the safety cover 3 is fixed on the fan body 1, which is convenient for the worker to install the safety cover 3, thereby increasing the installation efficiency, and the sliders 902 are tightly attached to the surfaces of the corresponding connecting rods 701 by the elastic force of the springs 901.
[0029] Specifically, the surface of the fan body 1 is fixedly provided with a connecting seat 11.
[0030] In the embodiment, the connecting seat 11 can be connected and fixed with the indoor support frame through bolts.
[0031] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the protection scope of the technical scheme of the utility model.
Claims
1. A circulation fan blade and circulation fan, comprising a fan body (1) and a fan blade (2), characterized in that: Two safety covers (3), four limiting holes (4), four limiting rods (5) and a circular ring (6) are further included, the two safety covers (3) are both provided with a connecting assembly (7), the four limiting holes (4) are annularly and equidistantly arranged on the connecting assembly (7), both ends of the fan main body (1) are both fixedly provided with a fixed assembly (8), each fixed assembly (8) is annularly and equidistantly provided with four groups of moving assemblies (9) moving along the corresponding fixed assembly (8), the four limiting rods (5) are arranged on the four groups of moving assemblies (9) respectively, the circular ring (6) is arranged on the four groups of moving assemblies (9), the fan main body (1) is provided with a driving assembly (10) driving the fan blades (2) to rotate, the driving assembly (10) is connected with the fan blades (2), and the four limiting holes (4) are matched with the four limiting rods (5).
2. The cyclone fan blade and cyclone fan according to claim 1, characterized in that: The driving assembly (10) comprises a motor (1001) and a plurality of supporting rods (1002), the motor (1001) is arranged in the fan main body (1), the plurality of supporting rods (1002) are annularly and equidistantly fixedly connected with the shell of the motor (1001), the other ends of the plurality of supporting rods (1002) are fixedly connected with the inner wall of the fan main body (1), and the fan blades (2) are fixedly connected with the output end of the motor (1001).
3. The cyclone fan blade and cyclone fan according to claim 1, characterized in that: The connecting assembly (7) comprises four connecting rods (701), the four connecting rods (701) are annularly and equidistantly fixedly connected with the safety cover (3), and the four limiting holes (4) are arranged on the four connecting rods (701) respectively.
4. The cyclone fan blade and cyclone fan according to claim 1, characterized in that: The fixed assembly (8) comprises an annular plate (801), four fixed holes (802), four fixed columns (803) and an annular limiting rod (804), the annular plate (801) is fixedly sleeved on the fan main body (1), the four fixed holes (802) are annularly and equidistantly arranged on the annular plate (801), the four fixed columns (803) are annularly and equidistantly fixedly installed on the back of the annular plate (801), and the annular limiting rod (804) is fixedly connected with the four fixed columns (803).
5. A cyclone fan blade and cyclone fan according to claim 4, wherein: The four groups of moving assemblies (9) all comprise a spring (901) and a sliding block (902), the four springs (901) are annularly and equidistantly sleeved on the annular limiting rod (804), one end of each spring (901) is fixedly connected with the corresponding fixed column (803), the four sliding blocks (902) are annularly and equidistantly sleeved on the annular limiting rod (804), the other end of each spring (901) is fixedly connected with the corresponding sliding block (902), the sliding block (902) is in sliding fit with the arc-shaped plate and the annular limiting rod (804), and the circular ring (6) is fixedly installed on the four sliding blocks (902).
6. The cyclone fan blade and cyclone fan of claim 1, wherein: A connecting seat (11) is fixedly installed on the surface of the fan main body (1).