Fan with silencer convenient to disassemble and assemble

Abstract

The fan comprises a fan body, an air outlet pipe, an air inlet pipe and a silencer body, the air outlet pipe and the air inlet pipe are fixedly connected to the fan body, the silencer body is connected to one side of the air outlet pipe and one side of the air inlet pipe, a first clamping hoop is arranged on the outer side of the silencer body, and a second clamping hoop is arranged on the outer side of the silencer body. A filter cylinder is connected to one side of the silencer body, a second clamping hoop is arranged on the outer side of the filter cylinder, and a second fixing nut is connected to a second fixing bolt. Through the arrangement of the external threads, the second external threads and the first hoop, the silencer body is in threaded connection with the air outlet pipe and the air inlet pipe through the external threads and the second external threads, firm and reliable connection is guaranteed through the clamping mode of the first hoop, and therefore the silencer body is fast to disassemble and assemble, easy to operate and high in practicability. The silencer can be detached, replaced or maintained, and the problem that the silencer is inconvenient to detach, maintain or replace is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mufflers, in particular to a fan with a muffler that is easy to disassemble and assemble. Background Art

[0002] A silencer is usually composed of sound-absorbing materials, sound-insulating materials and reflective materials. A silencer for a fan is a device used to reduce fan noise. It can be installed at the air inlet or outlet of the fan. It can effectively reduce the noise generated by the fan by eliminating or reducing the propagation of sound waves. The fan noise can be greatly reduced, which is of great significance for improving the environment, reducing noise pollution and protecting human health.

[0003] Existing silencers are installed on the air outlet and air inlet ducts of the fan, and most of them are installed by welding or multiple screws, which makes it inconvenient to disassemble and replace the silencers. For example, the fan tube-disc combined fan silencer disclosed in the announcement number CN200920094400.8, in which the tube and disk are connected by 12 bolts and rubber fillers to connect the disk silencer part and the tube silencer part. When the silencer needs to be repaired or replaced, the bolts need to be removed one by one, which is inconvenient to disassemble and assemble, and the operation is cumbersome and time-consuming.

[0004] Therefore, it is necessary to invent a fan that is easy to disassemble and assemble a silencer to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fan with a muffler which is convenient for disassembling and assembling, so as to solve the problem in the art that the muffler is inconvenient for disassembling and assembling.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan with a silencer that is easy to disassemble and assemble, comprising a fan body, an air outlet pipe, an air inlet pipe and a muffler body, the fan body is fixedly connected with the air outlet pipe and the air inlet pipe, one side of the air outlet pipe and the air inlet pipe is connected with the muffler body, the side wall of the muffler body is fixedly connected with a connecting pipe, two connecting pipes are provided, one of the connecting pipes is threadedly connected to the air outlet pipe and the air inlet pipe, and the other connecting pipe is threadedly connected to a filter cartridge, a No. 1 clamp is provided on the outside of the muffler body, a filter cartridge is connected to one side of the muffler body, a filter screen is fixedly installed inside the filter cartridge, a No. 2 clamp is provided on the outside of the filter cartridge, a No. 2 fixing bolt is penetrated and connected to the top of the No. 2 clamp, and a No. 2 fixing nut is connected to the No. 2 fixing bolt.

[0007] Preferably, the outer wall of the connecting pipe is provided with an external thread, and the inner wall of the air outlet pipe is provided with a No. 1 internal thread, and the external thread and the No. 1 internal thread cooperate with each other so that the external thread and the No. 1 internal thread facilitate the disassembly and assembly of the muffler body.

[0008] Preferably, a sealing ring is provided at the connection between the connecting pipe and the air outlet pipe and the air inlet pipe, and the sealing ring is fixed to the connecting pipe by adhesive, so that the sealing ring can improve the sealing performance of the connection between the muffler body and the air outlet pipe and the air inlet pipe.

[0009] Preferably, two No. 1 clamps are provided, one of which is provided at the connection between the air outlet pipe and the muffler body, and the other No. 1 clamp is provided at the connection between the air inlet pipe and the muffler body. A rubber pad is provided on the inner wall of the No. 1 clamp, and the rubber pad is tightly attached to the connection between the air inlet pipe and the muffler body, so that the No. 1 clamp can improve the stability of the connection between the air outlet pipe, the air inlet pipe and the muffler body.

[0010] Preferably, a No. 1 fixing bolt is connected through the top of the No. 1 clamp, and a No. 1 fixing nut is connected to the No. 1 fixing bolt. The No. 1 fixing bolt and the No. 1 fixing nut are threadedly connected, so that the No. 1 fixing bolt and the No. 1 fixing nut can be easily locked and fixed to the No. 1 clamp.

[0011] Preferably, two filter cartridges are provided, and the inner walls of the two filter cartridges are provided with No. 2 internal threads, which cooperate with the external threads on one side of the muffler body, so that the filter cartridges can filter impurities in the wind inhaled in the air.

[0012] Preferably, a No. 2 clamp is provided at the connection between the muffler body and the filter cartridge, and two No. 2 clamps are provided. A sealing gasket is fixedly installed on the inner wall of the No. 2 clamp, and the sealing gasket is tightly attached to the connection between the muffler body and the filter cartridge, so that the No. 2 clamp can improve the stability of the connection between the muffler body and the filter cartridge.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. Through the arrangement of the external thread, the second external thread and the first clamp, the muffler body is threadedly connected with the air outlet pipe and the air inlet pipe through the external thread and the second external thread, and then the first clamp is clamped to ensure a firm and reliable connection. Thus, the muffler body can be disassembled and assembled quickly, and the operation is simple. It can be disassembled, replaced or repaired, which solves the problem of inconvenience in disassembling, repairing or replacing the muffler;

[0015] 2. Through the setting of the filter cartridge, the filter inside the filter cartridge can block the particles and debris in the external environment from entering the muffler body, thereby preventing these particles from causing wear or blockage to the internal structure of the muffler body and protecting the performance and life of the muffler body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the connecting pipe of the utility model;

[0018] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of the air outlet pipe and the muffler body of the utility model;

[0019] Figure 4 For the utility model Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0020] Figure 5 It is a schematic diagram of the exploded three-dimensional structure of the silencer body and the filter cartridge of the utility model.

[0021] Description of reference numerals:

[0022] 1. Fan body; 2. Air outlet pipe; 3. Air inlet pipe; 4. Muffler body; 5. Connecting pipe; 6. External thread; 7. Sealing ring; 8. No. 1 internal thread; 9. No. 1 clamp; 10. No. 1 fixing bolt; 11. No. 1 fixing nut; 12. Filter cartridge; 13. No. 2 internal thread; 14. Filter screen; 15. No. 2 clamp; 16. Sealing gasket; 17. No. 2 fixing bolt; 18. No. 2 fixing nut. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model provides Figure 1-5 A fan with a silencer that is easy to disassemble and assemble as shown includes a fan body 1, an air outlet pipe 2, an air inlet pipe 3 and a silencer body 4. The fan body 1 is fixedly connected with the air outlet pipe 2 and the air inlet pipe 3, and one side of the air outlet pipe 2 and the air inlet pipe 3 is connected to the silencer body 4. The side wall of the silencer body 4 is fixedly connected with a connecting pipe 5. Two connecting pipes 5 are provided, one of which is threadedly connected to the air outlet pipe 2 and the air inlet pipe 3, and the other connecting pipe 5 is threadedly connected to the filter cartridge 12. A No. 1 clamp 9 is provided on the outside of the silencer body 4, a filter cartridge 12 is connected to one side of the silencer body 4, a filter screen 14 is fixedly installed inside the filter cartridge 12, a No. 2 clamp 15 is provided on the outside of the filter cartridge 12, a No. 2 fixing bolt 17 is penetrated and connected above the No. 2 clamp 15, and a No. 2 fixing nut 18 is connected to the No. 2 fixing bolt 17.

[0025] In one aspect of the present embodiment, an outer wall of the connecting pipe 5 is provided with an external thread 6, and an inner wall of the air outlet pipe 2 is provided with a No. 1 internal thread 8, the external thread 6 and the No. 1 internal thread 8 cooperate with each other, and a sealing ring 7 is provided at the connection between the connecting pipe 5 and the air outlet pipe 2 and the air inlet pipe 3, and the sealing ring 7 is fixed to the connecting pipe 5 by adhesive, and two No. 1 clamps 9 are provided, one of which is provided at the connection between the air outlet pipe 2 and the muffler body 4, and the other No. 1 clamp 9 is provided at the connection between the air inlet pipe 3 and the muffler body 4, and a rubber pad is provided on the inner wall of the No. 1 clamp 9, and the rubber pad is tightly attached to the connection between the air inlet pipe 3 and the muffler body 4, and a No. 1 fixing bolt 10 is connected through the top of the No. 1 clamp 9, and a No. 1 fixing nut 11 is connected to the No. 1 fixing bolt 10, and the No. 1 fixing nut 11 is threadedly connected to the No. 1 fixing bolt 10.

[0026] The provided connecting pipe 5 can be threadedly connected with the air outlet pipe 2 and the air inlet pipe 3, thereby facilitating the threaded installation of the muffler body 4 on the air outlet pipe 2 and the air inlet pipe 3, and the provided No. 1 clamp 9 is threadedly locked by a No. 1 fixing bolt 10 and a No. 1 fixing nut 11, thereby the No. 1 clamp 9 can ensure that the connection between the air outlet pipe 2, the air inlet pipe 3 and the muffler body 4 is firm and reliable by clamping.

[0027] In one aspect of the present embodiment, two filter cartridges 12 are provided, and the inner walls of the two filter cartridges 12 are provided with No. 2 internal threads 13, which cooperate with the external threads 6 on one side of the muffler body 4, and a No. 2 clamp 15 is provided at the connection between the muffler body 4 and the filter cartridge 12. Two No. 2 clamps 15 are provided, and a sealing gasket 16 is fixedly installed on the inner wall of the No. 2 clamp 15, and the sealing gasket 16 is tightly attached to the connection between the muffler body 4 and the filter cartridge 12.

[0028] The filter screen 14 inside the filter cartridge 12 can prevent particles and debris in the external environment from entering the silencer body 4, and the No. 2 clamp 15 can ensure that the connection between the filter cartridge 12 and the silencer body 4 is firm and reliable by clamping.

[0029] Working principle of this utility model:

[0030] Refer to the instruction manual Figure 1-5When using the utility model, first align the connecting pipe 5 on one side of the muffler body 4 with the outlet pipe 2 and the inlet pipe 3, and the muffler body 4 can be threadedly installed at the outlet pipe 2 and the inlet pipe 3 through the external thread 6 and the No. 1 internal thread 8, and then the No. 1 clamp 9 is thread-locked and clamped at the connection between the muffler body 4 and the outlet pipe 2 and the inlet pipe 3 through the No. 1 fixing bolt 10 and the No. 1 fixing nut 11, thereby ensuring the sealing and stability of the connection, and finally the No. 2 internal thread 13 on the inner wall of the filter cartridge 12 is threaded with the external thread 6 It is installed on the other side of the muffler body 4, and the No. 2 clamp 15 is threadedly locked and clamped at the connection between the muffler body 4 and the filter cartridge 12 through the No. 2 fixing bolt 17 and the No. 2 fixing nut 18, thereby ensuring the sealing and stability of the connection, thereby facilitating the disassembly, assembly and maintenance of the muffler body 4. At the same time, the filter cartridge 12 can block particles and debris in the external environment from entering the interior of the muffler body 4, thereby avoiding these particles from causing wear or blockage to the internal structure of the muffler body 4, and protecting the performance and life of the muffler body 4.

Claims

1. A fan with a muffler that is easy to disassemble and assemble, comprising a fan body (1), an air outlet pipe (2), an air inlet pipe (3) and a muffler body (4), characterized in that: The fan body (1) is fixedly connected with an air outlet pipe (2) and an air inlet pipe (3); one side of the air outlet pipe (2) and the air inlet pipe (3) is connected with a muffler body (4); a side wall of the muffler body (4) is fixedly connected with a connecting pipe (5); two connecting pipes (5) are provided, one of which is threadedly connected to the air outlet pipe (2) and the air inlet pipe (3); the other connecting pipe (5) is threadedly connected to the filter cartridge (12); a No. 1 clamp (9) is provided on the outside of the muffler body (4); a filter cartridge (12) is connected to one side of the muffler body (4); a filter screen (14) is fixedly installed inside the filter cartridge (12); a No. 2 clamp (15) is provided on the outside of the filter cartridge (12); a No. 2 fixing bolt (17) is passed through the top of the No. 2 clamp (15); a No. 2 fixing nut (18) is connected to the No. 2 fixing bolt (17).

2. A fan with a muffler that is easy to disassemble and assemble according to claim 1, characterized in that: The outer wall of the connecting pipe (5) is provided with an external thread (6), and the inner wall of the air outlet pipe (2) is provided with a No. 1 internal thread (8), and the external thread (6) and the No. 1 internal thread (8) are matched with each other.

3. A fan with a muffler that is easy to disassemble and assemble according to claim 1, characterized in that: A sealing ring (7) is provided at the connection between the connecting pipe (5) and the air outlet pipe (2) and the air inlet pipe (3); the sealing ring (7) is fixedly adhered to the connecting pipe (5) by means of adhesive.

4. The fan with a muffler that is easy to disassemble and assemble according to claim 1, characterized in that: Two No. 1 clamps (9) are provided, one of which is provided at the connection between the air outlet pipe (2) and the muffler body (4), and the other of which is provided at the connection between the air inlet pipe (3) and the muffler body (4). A rubber pad is provided on the inner wall of the No. 1 clamp (9), and the rubber pad is in close contact with the connection between the air inlet pipe (3) and the muffler body (4).

5. A fan with a muffler that is easy to disassemble and assemble according to claim 4, characterized in that: A No. 1 fixing bolt (10) is connected through the No. 1 clamp (9), and a No. 1 fixing nut (11) is connected to the No. 1 fixing bolt (10). The No. 1 fixing bolt (10) and the No. 1 fixing nut (11) are threadedly connected.

6. The fan with a muffler that is easy to disassemble and assemble according to claim 1, characterized in that: Two filter cartridges (12) are provided, and the inner walls of the two filter cartridges (12) are provided with No. 2 internal threads (13), and the No. 2 internal threads (13) are matched with the external threads (6) on one side of the muffler body (4).

7. A fan with a muffler that is easy to disassemble and assemble according to claim 6, characterized in that: A No. 2 clamp (15) is provided at the connection between the muffler body (4) and the filter cartridge (12), two No. 2 clamps (15) are provided, a sealing gasket (16) is fixedly installed on the inner wall of the No. 2 clamp (15), and the sealing gasket (16) is tightly attached to the connection between the muffler body (4) and the filter cartridge (12).

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