A heat dissipation fan with replaceable fan blades

Abstract

The utility model discloses a heat dissipation fan with replaceable fan blades in the field of heat dissipation fan technology, including a mounting frame and a heat dissipation fan, wherein the heat dissipation fan is connected to the mounting frame, and the heat dissipation fan includes a motor, a mounting shell and blades, a bracket is fixedly connected to the mounting frame, the motor is fixedly connected to one side of the bracket, a connecting shaft is fixedly connected to the output end of the motor, the connecting shaft rotates and passes through the bracket, a connecting pipe is fixedly connected to one side of the mounting shell, the connecting shaft is plugged into the connecting pipe, and a plurality of the blades are plugged into the outer periphery of the mounting shell. Advantages of the utility model: in the embodiment of the utility model, the blades are plugged into the mounting groove of the mounting shell through a connecting plate, the blades are fixed to the mounting shell through an insert rod, the mounting shell is connected to the connecting shaft through a connecting pipe, and the stability of the connection between the mounting shell and the connecting shaft is improved by bolts, thereby completing the installation of the heat dissipation fan, and the blades can be individually disassembled when they are damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation fans, in particular to a heat dissipation fan with replaceable fan blades. Background Art

[0002] In the mechanical processing industry, in order to prevent the machine from overheating, a cooling fan is installed on the machine to dissipate heat. The heat generated during the operation of the machine is discharged from the machine through the cooling fan, and the outside cold air is sucked into the interior of the machine, so that the machine can run for a long time.

[0003] In the prior art, the blades of a traditional cooling fan are usually fixedly connected to the motor output shaft. Once the blades are damaged, the entire cooling fan often needs to be replaced, resulting in waste of resources and increased costs. Some cooling fans whose blades can be removed individually also need to replace the blades as a whole when replacing the blades, and it is impossible to replace a single blade individually. Utility Model Content

[0004] The technical problem to be solved by the utility model is that it is inconvenient to replace the fan blades of the existing heat dissipation fan, and the whole machine needs to be replaced when replacing.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A heat dissipation fan with replaceable fan blades comprises a mounting frame and a heat dissipation fan, wherein the heat dissipation fan is connected to the mounting frame and comprises a motor, a mounting shell and blades, wherein a bracket is fixedly connected to the mounting frame, the motor is fixedly connected to one side of the bracket, a connecting shaft is fixedly connected to an output end of the motor, the connecting shaft rotates and passes through the bracket, a connecting pipe is fixedly connected to one side of the mounting shell, the connecting shaft is plugged into the connecting pipe, and a plurality of the blades are plugged into the outer periphery of the mounting shell.

[0007] Furthermore, a fixing seat is fixedly connected to the other side of the bracket, a connecting groove is provided on one side of the fixing seat, the connecting shaft rotates and extends into the connecting groove, the connecting pipe rotates and fits into the connecting groove, a limiting piece is symmetrically fixed to one side of the mounting shell, an annular limiting groove is provided on the fixing seat, the limiting piece slides and fits into the annular limiting groove, a cylindrical groove is provided on the annular limiting groove, and the limiting piece extends into the annular limiting groove from the cylindrical groove.

[0008] Furthermore, a slot is provided in the connecting tube, the connecting shaft is inserted into the slot, the connecting shaft is interference fit in the slot, the connecting shaft has a groove, and an insert plate is symmetrically fixed to the inner wall of the slot, the slot is interference fit in the groove, a bolt is rotatably penetrated in the mounting shell, and the bolt is threadedly connected to the connecting shaft.

[0009] Furthermore, a plurality of mounting grooves are provided on the outer periphery of the mounting shell, and a connecting plate is provided on one side of the blade, and the connecting plate is plugged and adapted to fit in the mounting groove.

[0010] Furthermore, a fastening plate is connected to the mounting shell, a plurality of plug rods are fixedly connected to one side of the fastening plate, a plurality of first plug holes are provided on the mounting shell, a second plug hole is provided on the connecting plate, the plug rods are sequentially inserted through the first plug holes and the second plug holes, a fastening cap is provided on the fastening plate, a fastening pad is provided on the fastening plate, the fastening plate and the fastening cap clamp the fastening pad, a threaded groove is provided on the mounting shell, and the fastening cap is threadedly connected to the threaded groove after passing through the fastening plate.

[0011] Furthermore, a first dustproof net and a second dustproof net are respectively connected to two sides of the installation frame.

[0012] The beneficial effects achieved by the utility model using the above structure are as follows:

[0013] The blades are inserted into the mounting grooves of the mounting shell through the connecting plates, and the blades are fixed to the mounting shell through the insert rods. The mounting shell is connected to the connecting shaft through the connecting pipe. At the same time, the stability of the connection between the mounting shell and the connecting shaft is improved by bolts, thereby completing the installation of the cooling fan. When the blades are damaged, the blades can be disassembled individually. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The three-dimensional Figure 1 .

[0015] Figure 2 The three-dimensional Figure 2 .

[0016] Figure 3 It is an exploded view of the utility model.

[0017] Figure 4 It is a cross-sectional view of the installation frame of the utility model.

[0018] Figure 5 This is a schematic diagram of the motor connection of the utility model.

[0019] Figure 6 It is a cross-sectional view of the installation shell of the utility model.

[0020] Figure 7 It is a schematic diagram of the installation shell of the utility model.

[0021] Description of reference numerals:

[0022] 1. Mounting frame, 101. First dustproof net, 102. Bracket, 103. Second dustproof net, 2. Motor, 201. Connecting shaft, 202. Groove, 3. Fixing seat, 301. Annular limiting groove, 302. Cylindrical groove, 303. Connecting groove, 4. Blade, 401. Connecting plate, 402. Second plug hole, 5. Mounting shell, 501. Connecting pipe, 502. Mounting groove, 503. First plug hole, 504. Threaded groove, 505. Slot, 506. Insert plate, 507. Limiting piece, 6. Bolt, 7. Fastening plate, 701. Insert rod, 8. Fastening cap, 801. Fastening pad. DETAILED DESCRIPTION

[0023] like Figure 1-7 As shown, a heat dissipation fan with replaceable fan blades includes a mounting frame 1, and the first dustproof net 101 and the second dustproof net 103 are respectively connected to the two sides of the mounting frame 1 to prevent dust from entering the mounting frame 1. It also includes a heat dissipation fan, which is connected to the mounting frame 1. The heat dissipation fan includes a motor 2, a mounting shell 5 and blades 4. A bracket 102 is fixedly connected in the mounting frame 1, and the motor 2 is fixedly connected to one side of the bracket 102. A connecting shaft 201 is fixedly connected to the output end of the motor 2, and the connecting shaft 201 rotates through the bracket 102. A connecting pipe 501 is fixedly connected to one side of the mounting shell 5, and the connecting shaft 201 is inserted into the connecting pipe 501, and a plurality of the blades 4 are inserted into the outer periphery of the mounting shell 5.

[0024] like Figure 3 , 4 As shown in Figures 6 and 7, in order to realize the detachable connection between the mounting shell 5 and the fixing seat 3, the fixing seat 3 is fixedly connected to the other side of the bracket 102, and a connecting groove 303 is provided on one side of the fixing seat 3. The connecting shaft 201 rotates and extends into the connecting groove 303, and the connecting pipe 501 rotates and fits into the connecting groove 303. A limiting member 507 is symmetrically fixed to one side of the mounting shell 5, and an annular limiting groove 301 is provided on the fixing seat 3. The limiting member 507 is slidably fitted into the annular limiting groove 301. A cylindrical groove 302 is provided on the annular limiting groove 301, and the limiting member 507 extends from the cylindrical groove 302 into the annular limiting groove 301.

[0025] like Figure 3 , 5 As shown in Figure 6, in order to realize the detachable connection between the mounting shell 5 and the connecting shaft 201, a slot 505 is provided in the connecting tube 501, and the connecting shaft 201 is inserted into the slot 505. The connecting shaft 201 is interference fit in the slot 505. The connecting shaft 201 has a groove 202, and the inner wall of the slot 505 is symmetrically fixed with a plug plate 506, and the slot 505 is interference fit in the groove 202. A bolt 6 is rotatably penetrated in the mounting shell 5, and the bolt 6 is threadedly connected to the connecting shaft 201.

[0026] like Figure 3 , 6 As shown, in order to realize the detachable connection between the blade 4 and the mounting shell 5, the outer periphery of the mounting shell 5 is provided with a plurality of mounting grooves 502, a connecting plate 401 is provided on one side of the blade 4, and the connecting plate 401 is plugged and adapted into the mounting groove 502, a fastening plate 7 is connected to the mounting shell 5, and a plurality of plug rods 701 are fixedly connected to one side of the fastening plate 7, a plurality of first plug holes 503 are provided on the mounting shell 5, a second plug hole 402 is provided on the connecting plate 401, and the plug rod 701 is plugged through the first plug hole 503 and the second plug hole 402 in sequence, a fastening cap 8 is provided on the fastening plate 7, a fastening pad 801 is provided on the fastening plate 7, the fastening plate 7 and the fastening cap 8 clamp the fastening pad 801, and a threaded groove 504 is provided on the mounting shell 5, and the fastening cap 8 is threadedly connected to the threaded groove 504 after passing through the fastening plate 7.

[0027] When a single blade 4 is damaged during use, the fastening cap 8 is rotated to separate and disassemble it from the mounting shell 5, and then the fastening plate 7 is removed to realize the insertion rod 701 being pulled out of the first insertion hole 503 and the second insertion hole 402, and then the first blade 4 can be pulled out of the mounting groove 502 of the mounting shell 5 for replacement. When the entire blade 4 needs to be replaced, on the basis of the single blade 4 disassembly step, the bolt 6 is separated and disassembled from the connecting shaft 201, and the mounting shell 5 is rotated to make the limiting member 507 be located at the cylindrical groove 302 in the annular limiting groove 301, and then the mounting shell 5 can be pulled out and disassembled from the fixing seat 3 for replacement or repair.

[0028] In summary: In the embodiment of the utility model, the blade 4 is inserted into the mounting groove 502 of the mounting shell 5 through the connecting plate 401, and the blade 4 and the mounting shell 5 are fixed by the insertion rod 701. The mounting shell 5 is connected to the connecting shaft 201 through the connecting tube 501. At the same time, the stability of the connection between the mounting shell 5 and the connecting shaft 201 is improved by the bolt 6, thereby completing the installation of the cooling fan. When the blade 4 is damaged, the blade 4 can be disassembled separately.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A heat dissipation fan with replaceable fan blades, comprising a mounting frame, characterized in that: It also includes a heat dissipation fan, which is connected to an installation frame. The heat dissipation fan includes a motor, a mounting shell and blades. A bracket is fixedly connected to the installation frame. The motor is fixedly connected to one side of the bracket. A connecting shaft is fixedly connected to the output end of the motor. The connecting shaft rotates and passes through the bracket. A connecting pipe is fixedly connected to one side of the mounting shell. The connecting shaft is plugged into the connecting pipe, and a plurality of the blades are plugged into the outer periphery of the mounting shell.

2. A heat dissipation fan with replaceable blades according to claim 1, characterized in that: A fixing seat is fixedly connected to the other side of the bracket, a connecting groove is provided on one side of the fixing seat, the connecting shaft rotates and extends into the connecting groove, the connecting pipe rotates and fits into the connecting groove, a limiting piece is symmetrically fixed to one side of the mounting shell, an annular limiting groove is provided on the fixing seat, the limiting piece slides and fits into the annular limiting groove, a cylindrical groove is provided on the annular limiting groove, and the limiting piece extends into the annular limiting groove from the cylindrical groove.

3. A heat dissipation fan with replaceable fan blades according to claim 2, characterized in that: A slot is provided in the connecting pipe, the connecting shaft is inserted in the slot, the connecting shaft is interference fit in the slot, the connecting shaft has a groove, and a plug plate is symmetrically fixed to the inner wall of the slot, the slot is interference fit in the groove, a bolt is rotatably penetrated in the mounting shell, and the bolt is threadedly connected to the connecting shaft.

4. The heat dissipation fan with replaceable blades according to claim 1, characterized in that: A plurality of mounting grooves are arranged on the outer periphery of the mounting shell, and a connecting plate is arranged on one side of the blade, and the connecting plate is plugged and adapted to fit in the mounting groove.

5. A heat dissipation fan with replaceable blades according to claim 4, characterized in that: The mounting shell is connected with a fastening plate, a plurality of plug rods are fixedly connected to one side of the fastening plate, a plurality of first plug holes are provided on the mounting shell, a second plug hole is provided on the connecting plate, the plug rods are sequentially inserted through the first plug hole and the second plug hole, a fastening cap is provided on the fastening plate, a fastening pad is provided on the fastening plate, the fastening plate and the fastening cap clamp the fastening pad, a threaded groove is provided on the mounting shell, and the fastening cap is threadedly connected in the threaded groove after passing through the fastening plate.

6. A heat dissipation fan with replaceable fan blades according to any one of claims 1 to 5, characterized in that: The first dustproof net and the second dustproof net are respectively connected to two sides of the installation frame.

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