Noise reduction mechanism of dust removal fan

Abstract

The utility model relates to the technical field of dust removal fans, and discloses a dust removal fan noise reduction mechanism which comprises an installation shell, an installation plate and a dust removal fan, an installation groove is formed in the front face of the installation shell, an installation frame is fixed to the installation plate, fixing blocks are fixed to the four end points of the two sides of the installation plate respectively, and insertion grooves are formed in the fixing blocks respectively. Fixing frames are fixed to the two side wall faces of the mounting shell, limiting rods are connected to inner cavities of the fixing frames, two sliding connecting plates are arranged on the two limiting rods in a sliding mode, the upper ends and the lower ends of the two limiting rods are sleeved with reset springs, and inserting rods are fixedly connected to the wall faces of the sliding connecting plates. According to the device, through cooperation of the limiting rod, the reset spring, the sliding connecting plate and the inserting rod, when sliding connection is close, the inserting rod relieves limiting of the inserting groove, the mounting plate is far away from the mounting shell, and at the moment, limiting of the mounting frame from the mounting groove is relieved, so that the device can be rapidly disassembled and assembled, the disassembling and assembling efficiency is improved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal fan technical field especially relates to a dust removal fan noise reduction mechanism. BACKGROUND

[0002] The fan is relied on the input mechanical energy, improves the gas pressure and sends the gas, and it is a kind of driven fluid machinery.

[0003] Search the public (announcement) no.: CN210623160U discloses a kind of with the dust removal fan of noise reduction function, including fan shell, the rear side of the inner wall bottom of fan shell is fixedly connected with support plate, the top of support plate is fixedly connected with motor, the front of motor is fixedly connected with connecting column, the surface of connecting column is fixedly connected with fan blade, the inner surface of fan shell is sleeved with sound-absorbing cotton.The utility model discloses a kind of with the cooperation of fan shell, support plate, motor, connecting column, fan blade, sound-absorbing cotton, first damping pad and fan cover, solve the problem that the existing dust removal fan noise is too large, user is in noise for a long time can interfere with the rest and sleep of user, influence work efficiency, seriously can cause the influence of human physiology, the dust removal fan with the noise reduction function has the advantages of noise reduction, is convenient for the use of user, improves the practicality of dust removal fan.

[0004] In the above prior art, the fan shell and the support plate are fixedly connected. If the fan blade or its parts inside the fan shell are damaged, it is troublesome to disassemble them, thereby wasting disassembly time and reducing work efficiency.

[0005] Therefore, we propose a dust removal fan noise reduction mechanism. UTILITY MODEL CONTENTS

[0006] The utility model mainly solves the technical problem of the prior art, and provides a dust removal fan noise reduction mechanism.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of dust removal fan noise reduction mechanism, including installation shell, mounting plate and dust removal fan, installation shell front is provided with installation slot, mounting plate is fixed with installation frame, four end points of mounting plate both sides are all fixed with fixed block, the plug slot is all set up on fixed block, fixed frame is all fixed on the two side walls of installation shell, the inner chamber of fixed frame is all connected with limit rod, two limit rods are all slid with two sliding connecting plates, two limit rods upper and lower ends are all set with return spring, the sliding connecting plate wall surface is all fixedly connected with plug rod.

[0008] As preferred, the installation shell is provided with an installation cover, a plurality of sound-absorbing cotton is installed in the gap of the installation cover, and a rubber pad is fixed in the inner cavity of the installation shell.

[0009] Preferably, the rubber pad is in a corrugated structure.

[0010] Preferably, the ends of the return springs away from each other are fixedly connected to the wall surface of the inner cavity of the fixed frame, and the ends of the return springs close to each other are fixedly connected to the wall surface of the sliding connecting plate away from each other.

[0011] Preferably, the insertion rod and the insertion slot are adapted to each other and are in a cross-shaped structure.

[0012] Preferably, the mounting frame is fixedly connected to the side of the mounting plate close to the mounting shell and corresponds to the mounting slot.

[0013] The utility model provides a kind of dust removal fan noise reduction mechanism.It has the following beneficial effects:

[0014] 1, the dust removal fan noise reduction mechanism, by the cooperation of limiting rod, return spring, sliding connecting plate and insertion rod, when sliding connection is close, insertion rod removes the limiting of insertion slot, mounting plate is away from mounting shell, mounting frame is removed limiting from mounting slot at this time, so that the device can be quickly disassembled, and then improve disassembly efficiency, improve work efficiency.

[0015] 2, the dust removal fan noise reduction mechanism, by the cooperation of rubber pad setting into corrugated structure and sound-absorbing cotton, the noise generated when dust removal fan operates can be effectively absorbed, and the comfort during use is improved. DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor based on the provided drawings.

[0017] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for the implementation of the present utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the present utility model can produce, should still fall within the scope of the technical content disclosed by the present utility model.

[0018] Figure 1 is a three-dimensional schematic view of the structure of the present utility model;

[0019] Figure 2 is a split schematic view of the mounting shell and the mounting plate of the present utility model;

[0020] Figure 3 It is the inside view of the installation shell structure of the utility model;

[0021] Figure 4 It is the installation plate structure view of the utility model.

[0022] Legend:

[0023] 1, installation shell; 101, dust removal fan; 2, installation plate; 201, fixed block; 202, slot; 3, fixed frame; 301, limiting rod; 302, sliding connecting plate; 303, reset spring; 304, plug rod; 4, installation cover; 401, sound-absorbing cotton; 5, installation frame; 501, installation slot; 6, rubber pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment: a dust removal fan noise reduction mechanism, like Figures 1-4As shown, including installation shell 1 and installation plate 2, the inner cavity of installation shell 1 is provided with dust removal fan 101, the back of installation shell 1 is provided with installation cover 4, the gap of installation cover 4 is provided with a plurality of sound-absorbing cotton 401, the front of installation shell 1 is provided with rectangular structure installation groove 501, installation plate 2 is fixedly connected with installation frame 5 on the side close to installation shell 1 and corresponding to installation groove 501, four fixed blocks 201 are fixedly connected on both sides of installation plate 2, the insertion slot 202 is arranged on the four fixed blocks 201, the rectangular structure fixed frame 3 is fixedly connected on both side walls of installation shell 1, the limit rod 301 is connected in the inner cavity of two fixed frames 3, the two sliding connecting plates 302 are slidably connected on two limit rods 301, the reset spring 303 is sleeved on the upper and lower ends of two limit rods 301, the wall surface in the inner cavity of fixed frame 3 is fixedly connected on the end of reset spring 303 away from each other, the wall surface of sliding connecting plate 302 away from each other is fixedly connected on the end of reset spring 303 close to each other, the insertion rod 304 is fixedly connected on the wall surface of sliding connecting plate 302 away from each other and corresponding to insertion slot 202, the insertion rod 304 is matched with insertion slot 202 and is of cross structure, the rubber pad 6 of corrugated structure is fixedly connected in the inner cavity of installation shell 1, the corrugated rubber pad 6 can effectively absorb the noise generated when dust removal fan 101 operates through its unique structure, when dust removal fan 101 operates, high-frequency mechanical vibration and air flow noise will be generated, and the corrugated structure can reduce the propagation of these sounds through elastic deformation and air laminar effect.

[0026] The working principle of the utility model:

[0027] In use, through the starting of dust removal fan 101, the device runs dust removal operation, when it is necessary to overhaul the inside of installation shell 1, the sliding connecting plates 302 are close to each other, at this time, the insertion rod 304 is released from the inner cavity of insertion slot 202, the installation plate 2 is away from installation shell 1, at this time, the installation frame 5 is released from the inner cavity of installation groove 501.

[0028] In use, through the rubber pad 6 setting corrugated structure and cooperating with sound-absorbing cotton 401, the noise generated when dust removal fan 101 operates can be effectively absorbed.

[0029] For purposes of the description hereinafter, spatial or directional terms, such as "above", "below", "top", "bottom", "upper", "lower", and the like, can be used where appropriate for purposes of describing the illustrated example only, and are not intended to limit the position that the application can assume when in use or operation. For example, an object described as "above" or "up" another object can subsequently be oriented "below" or "down" relative to the other object, depending on the article's position after reorientation. Likewise, such relative terms as "lower", "upper", "upward", "downward", etc. are used herein for purposes of illustration only, and do not connote or otherwise imply any required position or spatial orientation.

[0030] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0031] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0032] The principle and main features of the present application are shown and described above, and the advantages of the present application are also shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A noise reduction mechanism for a dust collector fan, comprising a mounting housing (1), a mounting plate (2), and a dust collector fan (101), characterized in that: The mounting housing (1) has a mounting groove (501) on its front side. A mounting frame (5) is fixed on the mounting plate (2). Fixing blocks (201) are fixed at the four ends on both sides of the mounting plate (2). Slots (202) are opened on the fixing blocks (201). Fixing frames (3) are fixed on both sides of the mounting housing (1). Limiting rods (301) are connected to the inner cavity of the fixing frames (3). Two sliding connecting plates (302) slide on the two limiting rods (301). Reset springs (303) are sleeved on the upper and lower ends of the two limiting rods (301). Insert rods (304) are fixedly connected to the wall of the sliding connecting plates (302).

2. The noise reduction mechanism for a dust collector fan according to claim 1, characterized in that: The mounting housing (1) has a mounting cover (4) installed on its back. Multiple sound-absorbing cotton (401) are installed in the gaps of the mounting cover (4). A rubber pad (6) is fixed inside the mounting housing (1).

3. The noise reduction mechanism for a dust collector fan according to claim 2, characterized in that: The rubber pad (6) has a corrugated structure.

4. The noise reduction mechanism for a dust collector fan according to claim 1, characterized in that: The ends of the reset springs (303) that are far apart from each other are fixedly connected to the wall of the inner cavity of the fixed frame (3), and the ends of the reset springs (303) that are close to each other are fixedly connected to the walls of the sliding connecting plate (302) that are far apart from each other.

5. The noise reduction mechanism for a dust collector fan according to claim 1, characterized in that: The insert (304) and the slot (202) are compatible and both have a cross-shaped structure.

6. The noise reduction mechanism for a dust collector fan according to claim 1, characterized in that: The mounting frame (5) is fixedly connected to the side of the mounting plate near the mounting housing (1) and corresponds to the mounting groove (501).

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