Low-noise dust remover fan

By designing the fixed components of the support ring, sealing plate, movable bracket and spring, the sound insulation components can be easily disassembled, assembled and replaced, which solves the problem of inconvenient replacement of sound insulation felt and corrugated sponge, and improves the replacement efficiency and the stability of the sound insulation effect.

CN223411068UActive Publication Date: 2025-10-03TIANJIN LANHANG IND CO LTD
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Patent Information

Application Number
CN202423019537.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-10-03
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

In the prior art, the sound insulation felt and corrugated sponge are encapsulated inside the sound insulation barrel, which makes replacement inconvenient and affects the disassembly efficiency.

Method used

A fixing structure including a support ring, a sealing plate, a movable bracket, a spring and a fixing component is designed. The elasticity and threaded connection of the spring facilitate the convenient disassembly, assembly and replacement of the sound insulation component.

Benefits of technology

The sound insulation components can be easily disassembled and replaced, which improves the replacement efficiency and ensures the stability of the sound insulation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223411068U_ABST
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Abstract

The utility model discloses a low-noise dust remover fan, and particularly relates to the technical field of dust remover fans, the low-noise dust remover fan comprises a base, a dust remover fan body is mounted at the top of the base, a servo motor is mounted on one side of the dust remover fan body, and a sound insulation assembly used for reducing noise is arranged outside the servo motor; a fixing assembly for conveniently disassembling and assembling the sound insulation assembly is arranged on one side, close to the sound insulation assembly, of the dust remover fan body; the fixing assembly comprises a supporting ring, and the servo motor is sleeved with the supporting ring. Through the flexibility of the spring, a worker can pull the positioning bracket to be separated from the limiting bracket, so that the worker can conveniently turn over the sealing plate to take out the sound insulation assembly in the supporting ring, and meanwhile, the positioning bracket connected with the movable ring is pushed to be firmly embedded with the limiting bracket by virtue of the tension of the spring; therefore, the stability of the sealing plate after being fixed is guaranteed, and the purpose that a worker conveniently replaces the sound insulation assembly is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of dust collector fans, and more specifically to a low-noise dust collector fan. Background Art

[0002] The equipment that separates dust or powder from flue gas is called a dust collector fan or dust removal equipment. In industrial production, dust collectors are often needed to remove dust from workpieces or a certain space.

[0003] As shown in the application document with the prior art publication number CN214617127U, it includes a fan body, a base is fixedly installed at the bottom of the fan body, an air inlet is fixedly installed at the top of the right side of the fan body, an air outlet is fixedly installed at the bottom of the front of the fan body, and a soundproof barrel is fixedly installed at the top of the left side of the fan body. A motor and a bearing box are provided inside the soundproof barrel, and the bearing box is fixedly connected to the fan body, and the motor is fixedly connected to the bearing box. This new industrial low-noise dust collector fan completely wraps the motor and bearing box of the equipment with a soundproof barrel, and the soundproof felt and corrugated sponge inside it absorb the noise, effectively reducing the noise at the source, reducing the noise generated when the equipment is working, improving the working environment of the staff, and protecting the staff's hearing from the influence of noise pollution.

[0004] However, the sound insulation felt and corrugated sponge in the above technical solution will age over time, resulting in reduced sound absorption or sound insulation performance of the sound insulation felt and corrugated sponge, or even restoration of the original acoustic performance. Therefore, the sound insulation felt and corrugated sponge need to be disassembled and replaced. The sound insulation felt and corrugated sponge in this technical solution are encapsulated inside the sound insulation barrel, and multiple bolts need to be removed before replacement. The steps are cumbersome and affect the efficiency of disassembly and replacement. Utility Model Content

[0005] To this end, an embodiment of the present invention provides a low-noise dust collector fan to solve the problem in the prior art that the sound insulation felt and corrugated sponge are encapsulated inside the sound insulation barrel and are inconvenient to replace.

[0006] In order to achieve the above-mentioned object, the embodiment of the present utility model provides the following technical solution: a low-noise dust collector fan, comprising a base, a dust collector fan body is mounted on the top of the base, a servo motor is mounted on one side of the dust collector fan body, and a sound insulation component for noise reduction is provided on the outside of the servo motor;

[0007] A fixing assembly for convenient disassembly and assembly of the sound insulation assembly is provided on one side of the dust collector fan body close to the sound insulation assembly;

[0008] The fixing assembly includes a support ring, the support ring is sleeved on the outside of the servo motor, the support ring is rotatably connected to the sealing plate at one end away from the dust collector fan body, a movable bracket is provided on the top of the sealing plate, a fixed seat is sleeved on the outside of the movable bracket, the bottom end of the fixed seat is fixed to the top of the sealing plate, springs are sleeved on the outside of both ends of the movable bracket, a movable ring is provided on the side of the spring close to the fixed seat, and a fixed ring is provided on the side of the spring away from the movable ring, and the movable ring and the fixed ring are both sleeved on the outside of the movable bracket;

[0009] A positioning bracket is provided on the side of the movable bracket close to the dust collector fan body, and the two ends of the positioning bracket away from the dust collector fan body are respectively fixed together with the sides away from the two movable rings, and a limiting bracket is provided on the outside of one end of the positioning bracket close to the dust collector fan body.

[0010] Furthermore, the sound insulation assembly includes a mounting ring and a sound insulation ring. The sound insulation ring is arranged on the outside of the mounting ring. The sound insulation ring and the mounting ring are both arranged inside the support ring. The mounting ring is arranged on the outside of the servo motor. With the help of the setting of the sound insulation ring, it is convenient to absorb and reduce the noise generated during the operation of the servo motor.

[0011] Furthermore, an air inlet is fixedly connected to the side of the top of the dust collector fan body away from the servo motor, and an air outlet is provided on the front side of the dust collector fan body. The dust collector fan body sucks air through the air inlet and then discharges the air through the air outlet.

[0012] Furthermore, a filter is installed inside the air outlet to filter impurities in the air, thereby improving the air purification effect.

[0013] Furthermore, a positioning ring is provided on the outside of one end of the support ring close to the dust collector fan body, and a plurality of mounting holes are opened through the inside of the positioning ring, and the plurality of mounting holes are evenly spaced. Through the plurality of mounting holes on the positioning ring, it is convenient for the staff to operate the tightening bolts to fix the support ring connected to the positioning ring.

[0014] Furthermore, a plurality of fastening bolts are provided on the side of the mounting ring away from the dust collector fan body, and the plurality of fastening bolts respectively correspond to the positions of the plurality of mounting holes on the left and right. The fastening bolts pass through the mounting holes and extend into the interior of the dust collector fan body. The fastening bolts are threadedly connected to the dust collector fan body. The threaded connection between the fastening bolts and the dust collector fan body can ensure the connection stability between the mounting ring and the dust collector fan body.

[0015] Furthermore, the cross section of the movable bracket is set to be U-shaped. By setting the movable bracket to be U-shaped, it is easy to install the positioning bracket nested on the limiting bracket.

[0016] Furthermore, the inner wall of the fixed ring is threadedly connected to the outer surface of the movable bracket. Through the threaded connection between the movable ring and the movable bracket, the staff can rotate and disassemble the movable ring and separate it from the movable bracket, so that the spring is not restricted and it is convenient for the staff to disassemble and replace the spring, thereby improving the convenience of the staff in disassembling and replacing the spring.

[0017] The embodiment of the utility model has the following advantages:

[0018] 1. Through the elasticity of the spring, the staff can pull the positioning bracket and the limit bracket to separate, so that the staff can flip the sealing plate to take out the sound insulation component in the support ring. At the same time, with the help of the tension of the spring, the positioning bracket and the limit bracket connected to the movable ring are pushed to fit firmly together, thereby ensuring the stability of the sealing plate after it is fixed, and thereby achieving the purpose of convenient replacement of the sound insulation component by the staff.

[0019] 2. Through the threaded connection between the movable ring and the movable bracket, the staff can rotate and disassemble the movable ring and separate the movable bracket, so that the spring is not restricted and it is convenient for the staff to disassemble and replace the spring, thereby improving the convenience of the staff to disassemble and replace the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a side view of the dust collector fan body of the utility model;

[0024] Figure 3 This is a side view of the servo motor of the present utility model;

[0025] Figure 4 This is a side view of the support ring of the present utility model;

[0026] Figure 5 It is a side view of the movable bracket of the utility model.

[0027] In the figure: 1. Base; 2. Dust collector fan body; 3. Servo motor; 4. Support ring; 5. Closing plate; 6. Movable bracket; 7. Fixed seat; 8. Spring; 9. Movable ring; 10. Fixed ring; 11. Positioning bracket; 12. Limit bracket; 13. Sound insulation ring; 14. Mounting ring; 15. Air inlet; 16. Air outlet; 17. Filter; 18. Mounting hole; 19. Fastening bolt; 20. Positioning ring. DETAILED DESCRIPTION

[0028] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0029] Refer to the instruction manual Figure 1-5 The utility model provides a low-noise dust collector fan, comprising a base 1, a dust collector fan body 2 is mounted on the top of the base 1, a servo motor 3 is mounted on one side of the dust collector fan body 2, and a sound insulation component for noise reduction is provided on the outside of the servo motor 3;

[0030] like Figure 4 As shown, the sound insulation assembly includes a mounting ring 14 and a sound insulation ring 13. The sound insulation ring 13 is sleeved on the outside of the mounting ring 14. The sound insulation ring 13 and the mounting ring 14 are both arranged inside the support ring 4. The mounting ring 14 is sleeved on the outside of the servo motor 3. With the help of the setting of the sound insulation ring 13, it is convenient to absorb and reduce the noise generated during the operation of the servo motor 3.

[0031] In order to facilitate the disassembly and replacement of the sound insulation component, a fixing component for convenient disassembly and installation of the sound insulation component is provided on the side of the dust collector fan body 2 close to the sound insulation component;

[0032] like Figure 5As shown, the fixing assembly includes a support ring 4, which is sleeved on the outside of the servo motor 3, and the support ring 4 is rotatably connected to the sealing plate 5 at one end away from the dust collector fan body 2. A movable bracket 6 is provided on the top of the sealing plate 5, and a fixed seat 7 is sleeved on the outside of the movable bracket 6. The bottom end of the fixed seat 7 is fixed to the top of the sealing plate 5, and springs 8 are sleeved on the outside of both ends of the movable bracket 6. A movable ring 9 is provided on the side of the spring 8 close to the fixed seat 7, and a fixed ring 10 is provided on the side of the spring 8 away from the movable ring 9. The movable ring 9 and the fixed ring 10 are both sleeved on the outside of the movable bracket 6; a positioning bracket 11 is provided on the side of the movable bracket 6 close to the dust collector fan body 2, and the two ends of the positioning bracket 11 away from the dust collector fan body 2 are respectively fixed to the side away from the two movable rings 9, and a limiting bracket 12 is sleeved on the outside of the end of the positioning bracket 11 close to the dust collector fan body 2.

[0033] like Figure 1-3 As shown, the top of the dust collector fan body 2 is fixedly connected to the side away from the servo motor 3 with an air inlet 15, and the front side of the dust collector fan body 2 is provided with an air outlet 16. The dust collector fan body 2 draws air through the air inlet 15 and then discharges the air through the air outlet 16. A filter 17 is installed inside the air outlet 16, and impurities in the air are filtered through the filter 17 to improve the air cleaning effect.

[0034] like Figure 4 As shown, a positioning ring 20 is provided on the outside of one end of the support ring 4 close to the dust collector fan body 2, and a plurality of mounting holes 18 are opened through the inside of the positioning ring 20. The plurality of mounting holes 18 are evenly spaced. Through the plurality of mounting holes 18 on the positioning ring 20, it is convenient for the staff to operate the fastening bolts 19 to fix the support ring 4 connected to the positioning ring 20. A plurality of fastening bolts 19 are provided on the side of the mounting ring 14 away from the dust collector fan body 2. The plurality of fastening bolts 19 respectively correspond to the positions of the plurality of mounting holes 18 on the left and right. The fastening bolts 19 pass through the mounting holes 18 and extend into the interior of the dust collector fan body 2. The fastening bolts 19 are threadedly connected to the dust collector fan body 2. The threaded connection between the fastening bolts 19 and the dust collector fan body 2 can ensure the connection stability between the mounting ring 14 and the dust collector fan body 2.

[0035] like Figure 5As shown, the cross-section of the movable bracket 6 is set to be U-shaped. By setting the movable bracket 6 to be U-shaped, it is convenient to install the positioning bracket 11 nested on the limit bracket 12. The inner wall of the fixed ring 10 is connected to the outer thread of the movable bracket 6. Through the threaded connection between the movable ring 10 and the movable bracket 6, the staff can rotate and disassemble the movable ring 10 and separate it from the movable bracket 6, so that the spring 8 can be unrestricted and the staff can disassemble and replace the spring 8 conveniently, thereby improving the convenience of the staff in disassembling and replacing the spring 8.

[0036] Due to the elasticity of the spring 8, the staff can pull out the positioning bracket 11 connected to the movable ring 9 to separate the positioning bracket 11 from the limiting bracket 12. This makes it easier for the staff to flip the sealing plate 5 rotatably connected to the support ring 4, so that the sealing plate 5 and the support ring 4 are misaligned, making it easier for the staff to remove the sound insulation ring 13 in the support ring 4 for replacement;

[0037] After replacement, rotate the sealing plate 5 to seal the support ring 4 to ensure the stability of the sound insulation ring 13, and then rotate the positioning bracket 11 connected to the movable bracket 6 to nest it outside the limiting bracket 12, and then use the tension of the spring 8 to push the positioning bracket 11 connected to the movable ring 9 outward, so that the positioning bracket 11 and the limiting bracket 12 are firmly embedded together, thereby ensuring the stability of the sealing plate 5 after it is fixed.

[0038] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, such modifications or improvements, without departing from the spirit of the present invention, are within the scope of protection claimed herein.

Claims

1. A low-noise dust collector fan, comprising a base (1), characterized in that: A dust collector fan body (2) is installed on the top of the base (1), a servo motor (3) is installed on one side of the dust collector fan body (2), and a sound insulation component for noise reduction is provided on the outside of the servo motor (3); A fixing assembly for conveniently disassembling and assembling the sound insulation assembly is provided on one side of the dust collector fan body (2) close to the sound insulation assembly; The fixing assembly includes a support ring (4), the support ring (4) is sleeved on the outside of the servo motor (3), the support ring (4) is rotatably connected to a sealing plate (5) at one end away from the dust collector fan body (2), a movable bracket (6) is provided at the top of the sealing plate (5), a fixed seat (7) is sleeved on the outside of the movable bracket (6), the bottom end of the fixed seat (7) is fixed to the top of the sealing plate (5), springs (8) are sleeved on the outside of both ends of the movable bracket (6), a movable ring (9) is provided on the side of the spring (8) close to the fixed seat (7), and a fixed ring (10) is provided on the side of the spring (8) away from the movable ring (9), and the movable ring (9) and the fixed ring (10) are both sleeved on the outside of the movable bracket (6); A positioning bracket (11) is provided on the side of the movable bracket (6) close to the dust collector fan body (2), and the two ends of the positioning bracket (11) away from the dust collector fan body (2) are respectively fixed together with the sides away from the two movable rings (9), and a limiting bracket (12) is provided on the outside of the end of the positioning bracket (11) close to the dust collector fan body (2).

2. A low-noise dust collector fan according to claim 1, characterized in that: The sound insulation assembly comprises a mounting ring (14) and a sound insulation ring (13), wherein the sound insulation ring (13) is sleeved on the outside of the mounting ring (14), and both the sound insulation ring (13) and the mounting ring (14) are arranged inside the support ring (4), and the mounting ring (14) is sleeved on the outside of the servo motor (3).

3. The low-noise dust collector fan according to claim 1, characterized in that: An air inlet (15) is fixedly connected to a side of the top of the dust collector fan body (2) away from the servo motor (3), and an air outlet (16) is provided on the front side of the dust collector fan body (2).

4. A low-noise dust collector fan according to claim 3, characterized in that: A filter screen (17) is installed inside the air outlet (16).

5. The low-noise dust collector fan according to claim 2, characterized in that: A positioning ring (20) is sleeved on the outside of one end of the support ring (4) close to the dust collector fan body (2), and a plurality of mounting holes (18) are opened through the inside of the positioning ring (20), and the plurality of mounting holes (18) are evenly spaced.

6. The low-noise dust collector fan according to claim 5, characterized in that: A plurality of fastening bolts (19) are provided on a side of the mounting ring (14) away from the dust collector fan body (2), and the plurality of fastening bolts (19) respectively correspond to the positions of the plurality of mounting holes (18) on the left and right. The fastening bolts (19) pass through the mounting holes (18) and extend into the interior of the dust collector fan body (2), and the fastening bolts (19) are threadedly connected to the dust collector fan body (2).

7. The low-noise dust collector fan according to claim 1, characterized in that: The cross section of the movable bracket (6) is set to be U-shaped.

8. The low-noise dust collector fan according to claim 1, characterized in that: The inner wall of the fixing ring (10) is threadedly connected to the outer surface of the movable bracket (6).