Fan silencer convenient to clean

Abstract

The utility model discloses a fan silencer convenient to clean, which comprises a silencing device used for supporting, fixed clamping seats used for limiting are symmetrically arranged on the side end face of the silencing device, cross-shaped clamping seats and servo motors are arranged on the side end faces of the fixed clamping seats, the servo motors are fixedly arranged on the upper end face of the silencing device, and the cross-shaped clamping seats and the servo motors are arranged on the lower end face of the silencing device. And a driving bevel gear is fixedly arranged at the output end of the servo motor. When various sundries on the inner wall of the silencer shell are removed, the fixed clamping groove can guide air blown in at a high speed into the silencer shell, and then the servo motor can drive the driven bevel gear and the cleaning scrapers to rotate through the driving bevel gear, so that the four sets of cleaning scrapers rotate at a high speed in the silencer shell; therefore, various sundries on the inner wall of the silencer shell can be removed in all directions, air blown in at a high speed can be matched with the cleaning scraper blade to lead out the sundries, and then the stability of follow-up silencing of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan equipment, in particular to a fan muffler which is easy to clean. Background Art

[0002] Fan silencers are mainly used to reduce the aerodynamic noise of various fan vents, air ducts and air inlets of closed machine rooms. They are of the same form as exhaust duct silencers and induced draft fan silencers. They adopt the resistive sound absorption and noise reduction principle which has a good effect on medium and high frequency broadband characteristics, the resistant sound absorption and noise reduction principle which has a good effect on low, medium frequency and pulsation characteristics, as well as micro-perforated silencers and impedance composite silencers.

[0003] For example, the utility model patent disclosed in the publication number is CN215109712U, a muffler applied to a fan includes a fan housing and a muffler housing, a ventilation slot is arranged in the middle of the fan housing, a plurality of sound-absorbing panels are arranged in the inner ring of the muffler housing, a connection cover is arranged on the front end face of the muffler housing, an inner ferrule is arranged on the head of the connection cover, and the inner ferrule is located at the inner ring position of the tail of the ventilation slot, a bonding plate is arranged at the upper and lower ends of the outer ring of the connection cover, a rectangular straight plate is arranged at the head of the bonding plate, and an adjustable locking block is arranged at the head position of the outer end face of the rectangular straight plate, a vertical pole is arranged at the upper and lower ends of the outer ring of the fan housing, and an outer straight plate is arranged at the head of the vertical pole. The muffler applied to a fan described in the utility model belongs to the field of fans, and by arranging a muffler housing that is easy to disassemble and assemble at one end of the fan, while maintaining the silencing and noise reduction, it can be quickly disassembled and cleaned to prevent the muffler plate inside the muffler from absorbing dust and impurities and affecting the silencing effect.

[0004] Although the above-mentioned muffler can be conveniently disassembled later, the outer shell needs to be disassembled when cleaning the muffler, which reduces the convenience of cleaning the muffler and also reduces the practical performance of the muffler. Therefore, a fan muffler that is easy to clean is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a fan muffler which is easy to clean, so as to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a fan muffler that is easy to clean, comprising a muffler device for support, the side end surface of the muffler device is symmetrically provided with a fixed clamping seat for limiting, and the side end surface of the fixed clamping seat is provided with a cross clamping seat,

[0007] A servo motor, wherein the servo motor is fixedly arranged on the upper end surface of the muffler, and an active bevel gear is fixedly arranged at the output end of the servo motor;

[0008] A cleaning device is meshed and rotated to be clamped on the inner end surface of the muffler through the active bevel gear.

[0009] Preferably, the cleaning device comprises a transmission card shaft, and four groups of cleaning scrapers are symmetrically and equidistantly arranged on the side end surface of the transmission card shaft, and a driven bevel gear is arranged near the middle of the outer end surface of the transmission card shaft.

[0010] Preferably, the silencer device comprises a silencer shell, a connecting flange is provided at the center of the upper end surface of the silencer shell, a fixing slot is provided at the center of the front end surface of the silencer shell, and an alignment conduit is symmetrically provided at the center of the side end surface of the silencer shell.

[0011] Preferably, the servo motor is fixedly arranged on the upper end surface of the muffler housing through the connecting flange, and the driving bevel gear is meshedly connected with the driven bevel gear, which can effectively improve the transmission stability of the equipment.

[0012] Preferably, the transmission clamping shaft is rotatably clamped inside the muffler housing through the cross clamping seat, which can effectively improve the stability of the subsequent limited rotation of the transmission clamping shaft inside the muffler housing.

[0013] Preferably, the cleaning scraper is fitted and connected to the inner wall of the muffler housing, which can effectively improve the efficiency of the subsequent cleaning scraper in scraping and cleaning various garbage on the inner wall of the muffler housing.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. When the utility model is used to clear various debris on the inner wall of the muffler shell, the fixed card slot can guide the high-speed blown air into the inside of the muffler shell, and then the servo motor can drive the driven bevel gear and the cleaning scraper to rotate through the active bevel gear, so that the four groups of cleaning scrapers rotate at high speed inside the muffler shell, thereby performing a full-scale clearing operation on various debris on the inner wall of the muffler shell, and the high-speed blown air can cooperate with the cleaning scraper to guide the debris out, thereby improving the stability of subsequent silencing of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the cleaning device of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the silencer of the utility model.

[0020] In the figure: 1-cross holder, 2-driving bevel gear, 3-servo motor, 4-fixed holder, 5-cleaning device, 6-muffler, 51-driven bevel gear, 52-cleaning scraper, 53-transmission shaft, 61-alignment guide tube, 62-fixed slot, 63-muffler housing, 64-connecting flange. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a fan muffler that is easy to clean, including a muffler device 6 for supporting, a side end surface of the muffler device 6 is symmetrically provided with a fixed clamping seat 4 for limiting, and a cross clamping seat 1 is provided on the side end surface of the fixed clamping seat 4,

[0023] A servo motor 3, the servo motor 3 is fixedly arranged on the upper end surface of the muffler 6, and a driving bevel gear 2 is fixedly arranged at the output end of the servo motor 3;

[0024] The cleaning device 5 is meshed and rotated to be clamped on the inner end surface of the muffler device 6 through the active bevel gear 2.

[0025] The cleaning device 5 comprises a transmission card shaft 53 , on the side end surface of which four groups of cleaning scrapers 52 are symmetrically and equidistantly arranged, and a driven bevel gear 51 is arranged near the middle of the outer end surface of the transmission card shaft 53 .

[0026] The silencer 6 comprises a silencer shell 63 , a connection flange 64 is provided at the center of the upper end surface of the silencer shell 63 , a fixing slot 62 is provided at the center of the front end surface of the silencer shell 63 , and an alignment guide 61 is symmetrically provided at the center of the side end surface of the silencer shell 63 .

[0027] The servo motor 3 is fixedly arranged on the upper end surface of the muffler housing 63 through the connecting flange 64, and the driving bevel gear 2 is meshedly connected with the driven bevel gear 51, which can effectively improve the transmission stability of the equipment.

[0028] The transmission clamping shaft 53 is rotatably clamped in the muffler housing 63 through the cross clamping seat 1, which can effectively improve the stability of the subsequent limited rotation of the transmission clamping shaft 53 in the muffler housing 63.

[0029] The cleaning scraper 52 is fitted and connected to the inner wall of the muffler housing 63 , which can effectively improve the efficiency of the cleaning scraper 52 in scraping and cleaning various garbage on the inner wall of the muffler housing 63 .

[0030] Working principle: When in use, the user can connect the air duct of the external fan with the fixed slot 62. When the fan is working, the air can be quickly introduced into the fixed slot 62 through the air duct, and then the fixed slot 62 transfers the blown air to the inside of the muffler shell 63 for silencing guidance. The silenced air is discharged through two sets of alignment ducts 61. When cleaning the inside of the muffler shell 63, the user can start the servo motor 3. At this time, the servo motor 3 can drive the active bevel gear 2 at the bottom to rotate. At the same time, the active bevel gear 2 can mesh with the driven bevel gear 51, thereby driving the four sets of cleaning scrapers 52 to rotate at high speed inside the muffler shell 63, thereby performing a full-scale cleaning operation on various debris on the inner wall of the muffler shell 63.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan muffler that is easy to clean, comprising a muffler device (6) for supporting, a side end surface of the muffler device (6) symmetrically provided with a fixed clamping seat (4) for limiting, and a cross clamping seat (1) is provided on the side end surface of the fixed clamping seat (4), characterized in that: A servo motor (3), the servo motor (3) being fixedly arranged on the upper end surface of the muffler (6), and a driving bevel gear (2) being fixedly arranged at the output end of the servo motor (3); A cleaning device (5) is meshed and rotated through the active bevel gear (2) to be clamped on the inner end surface of the muffler device (6).

2. The easy-to-clean fan muffler according to claim 1, characterized in that: The cleaning device (5) comprises a transmission card shaft (53), four groups of cleaning scrapers (52) are symmetrically and equidistantly arranged on the side end surface of the transmission card shaft (53), and a driven bevel gear (51) is arranged near the middle of the outer end surface of the transmission card shaft (53).

3. The easy-to-clean fan muffler according to claim 2, characterized in that: The silencer (6) comprises a silencer housing (63), a connecting flange (64) is provided at the center of the upper end surface of the silencer housing (63), a fixing slot (62) is provided at the center of the front end surface of the silencer housing (63), and an alignment guide tube (61) is symmetrically provided at the center of the side end surface of the silencer housing (63).

4. The easy-to-clean fan muffler according to claim 3, characterized in that: The servo motor (3) is fixedly arranged on the upper end surface of the muffler housing (63) via the connecting flange (64), and the driving bevel gear (2) is meshingly connected with the driven bevel gear (51).

5. The easy-to-clean fan muffler according to claim 3, characterized in that: The transmission clamping shaft (53) is rotatably clamped into the interior of the muffler housing (63) through the cross clamping seat (1).

6. The easy-to-clean fan muffler according to claim 3, characterized in that: The cleaning scraper (52) is fitted and connected to the inner wall of the muffler housing (63).

Images