Noise reduction structure of ventilation equipment

Abstract

The utility model belongs to the technical field of noise reduction structures of ventilation equipment, and particularly relates to a noise reduction structure of ventilation equipment, which adopts the following scheme that the noise reduction structure comprises an annular shell; the number of the threaded mounting frames is eight, and the eight threaded mounting frames are fixedly mounted on the front side and the rear side of the annular shell respectively and are fixedly connected with the front side and the rear side of the annular shell; the electric fan is mounted on the inner wall of the annular shell; the number of the mounting mechanisms and the number of the unlocking mechanisms are both four, and the mounting mechanisms are matched with the annular shell and the unlocking mechanisms correspondingly; the sound insulation mechanism comprises sound insulation cotton, an attaching block and a honeycomb noise reduction device, the honeycomb noise reduction device is installed on the rear side of the electric fan, noise generated when air rapidly flows can be greatly increased, the sound insulation cotton is further installed on the outer side of the annular shell, noise reduction can be effectively conducted on the electric fan, the noise reduction effect is good, and the service life of the electric fan is prolonged. And nearby workers are prevented from being influenced.

Description

Technical Field

[0001] This utility model relates to the technical field of noise reduction structure for ventilation equipment, and in particular to a noise reduction structure for ventilation equipment. Background Technology

[0002] Ventilation, also known as air exchange, is the process of mechanically or naturally introducing sufficient fresh air into an indoor space while simultaneously expelling polluted air that does not meet hygiene requirements, so that the indoor air meets hygiene requirements and the needs of the production process. All facilities in a building that perform ventilation are collectively referred to as ventilation equipment.

[0003] Existing ventilation equipment lacks sound insulation mechanisms, resulting in high noise levels that affect the physical and mental health of nearby workers. Therefore, this utility model proposes a noise reduction structure for ventilation equipment to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing ventilation equipment, which lacks sound insulation mechanisms, resulting in high noise levels and affecting the physical and mental health of nearby workers. Therefore, this utility model proposes a noise reduction structure for ventilation equipment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A noise reduction structure for a ventilation device, comprising:

[0007] Ring-shaped shell;

[0008] The threaded mounting brackets are eight in number, and the eight threaded mounting brackets are respectively fixedly installed on the front and rear sides of the annular shell.

[0009] An electric fan, wherein the electric fan is mounted on the inner wall of an annular housing;

[0010] The installation mechanism and the unlocking mechanism are provided in sets of four, with the installation mechanism cooperating with the annular shell and the unlocking mechanism respectively.

[0011] The sound insulation mechanism includes: sound insulation cotton, bonding block and honeycomb noise reduction device;

[0012] The bonding block is fixedly installed on the inner wall of the annular shell. The fixing block slides in contact with the honeycomb noise reducer. The outer side of the honeycomb noise reducer slides in contact with the inner wall of the annular shell. The sound insulation cotton is fixedly installed on the outer side of the annular shell.

[0013] As a preferred embodiment of this utility model, the installation mechanism includes: a fitting rod, a fixing frame, and a torsion spring;

[0014] The bonding rod is rotatably connected to the front side of the annular shell. The front side of the bonding rod slides in contact with the front side of the honeycomb noise reducer. The fixing frame passes through the bonding rod and is rotatably connected to the bonding rod. The fixing frame is fixedly connected to the annular shell. The torsion spring is fixedly connected to the fixing frame and the bonding rod respectively. The fixing frame has a rectangular groove, and the bonding rod has an installation groove.

[0015] As a preferred embodiment of this utility model, the unlocking mechanism includes: a control rod, a return spring, and a fixing block;

[0016] The control rod is slidably connected to the fitting rod, the control rod is fixedly connected to the return spring, the return spring is fixedly connected to the fixing block, and the fixing block is fixedly connected to the fitting rod.

[0017] In a preferred embodiment of this invention, the left side of the control rod slides in contact with the inner wall of the rectangular groove.

[0018] In a preferred embodiment of this invention, the control rod is slidably connected to the inner wall of the mounting groove.

[0019] In a preferred embodiment of this utility model, a torsion spring is fixedly installed on the fitting rod, and the torsion spring is fixedly connected to the fixing frame.

[0020] Beneficial effects:

[0021] 1. After the bonding rod is attached to the front side of the honeycomb heat sink, the bonding rod can prevent the honeycomb noise reduction device from separating from the annular shell, thus enabling the positioning of the honeycomb noise reduction device and the installation of the honeycomb heat sink.

[0022] 2. After the control lever is pulled away from the fixing frame, the bonding lever can be unlocked, allowing it to rotate freely on the front side of the annular shell. This allows the bonding lever to detach from the honeycomb noise reducer, enabling the honeycomb noise reducer to be disassembled.

[0023] In this invention, by installing a honeycomb noise reducer on the rear side of the electric fan, the noise of the air flowing rapidly can be greatly reduced. In addition, sound insulation cotton is installed on the outer side of the annular shell, which can effectively reduce the noise of the electric fan and prevent nearby workers from being affected. Attached Figure Description

[0024] Figure 1 This is a three-dimensional front view of the present invention;

[0025] Figure 2 This is a rear-view three-dimensional view of the present invention;

[0026] Figure 3 This is a rear-view sectional three-dimensional view of the present invention;

[0027] Figure 4This is a magnified three-dimensional side view of the bonding rod of this utility model.

[0028] In the diagram: 1. Ring-shaped outer shell; 2. Sound insulation cotton; 3. Threaded mounting bracket; 4. Electric fan; 5. Adhesive block; 6. Honeycomb noise reducer; 7. Adhesive rod; 8. Fixing bracket; 9. Torsion spring; 10. Control rod; 11. Return spring; 12. Fixing block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] Example

[0031] Reference Figures 1-4 A noise reduction structure for a ventilation device, comprising:

[0032] Annular shell 1;

[0033] Threaded mounting bracket 3, there are eight threaded mounting brackets 3, and the eight threaded mounting brackets 3 are respectively fixedly installed on the front and rear sides of the annular outer shell 1.

[0034] Electric fan 4 is installed on the inner wall of the annular housing 1;

[0035] There are four sets of installation and unlocking mechanisms. The installation mechanism is respectively matched with the annular shell 1 and the unlocking mechanism.

[0036] The sound insulation mechanism includes: sound insulation cotton 2, bonding block 5, and honeycomb noise reducer 6;

[0037] The bonding block 5 is fixedly installed on the inner wall of the annular shell 1, the fixing block 12 slides in contact with the honeycomb noise reducer 6, the outer side of the honeycomb noise reducer 6 slides in contact with the inner wall of the annular shell 1, and the sound insulation cotton 2 is fixedly installed on the outer side of the annular shell 1.

[0038] With the above structure, by installing a honeycomb noise reducer 6 on the rear side of the electric fan 4, the noise of the air flowing rapidly can be greatly reduced. In addition, sound insulation cotton 2 is installed on the outer side of the annular shell 1, which can effectively reduce the noise of the electric fan 4 and avoid affecting the nearby staff.

[0039] As a preferred embodiment of this utility model, the installation mechanism includes: a fitting rod 7, a fixing frame 8, and a torsion spring 9;

[0040] The fitting rod 7 is rotatably connected to the front side of the annular shell 1. The front side of the fitting rod 7 slides in contact with the front side of the honeycomb noise reducer 6. The fixing frame 8 passes through the fitting rod 7 and is rotatably connected to the fitting rod 7. The fixing frame 8 is fixedly connected to the annular shell 1. The torsion spring 9 is fixedly connected to the fixing frame 8 and the fitting rod 7 respectively. The fixing frame 8 has a rectangular groove, and the fitting rod 7 has an installation groove. After the fitting rod 7 is fitted with the front side of the honeycomb noise reducer 6, the fitting rod 7 can prevent the honeycomb noise reducer 6 from separating from the annular shell 1, thereby achieving the positioning of the honeycomb noise reducer 6 and the installation of the honeycomb noise reducer 6.

[0041] As a preferred embodiment of the present invention, the unlocking mechanism includes: a control lever 10, a reset spring 11, and a fixing block 12;

[0042] The control lever 10 is slidably connected to the bonding lever 7, the control lever 10 is fixedly connected to the return spring 11, the return spring 11 is fixedly connected to the fixing block 12, and the fixing block 12 is fixedly connected to the bonding lever 7. After the control lever 10 is pulled away from the fixing frame 8, the bonding lever 7 can be unlocked, allowing the bonding lever 7 to rotate freely on the front side of the annular housing 1, so that the bonding lever 7 can be detached from the honeycomb noise reducer 6, and the honeycomb noise reducer 6 can be disassembled.

[0043] As a preferred embodiment of this utility model, the left side of the control rod 10 slides in contact with the inner wall of the rectangular groove. After the control rod 10 engages with the rectangular groove, the control rod 10 can prevent the fitting rod 7 from rotating, thereby achieving the positioning of the fitting rod 7.

[0044] As a preferred embodiment of this utility model, the control rod 10 is slidably connected to the inner wall of the mounting groove, and the mounting groove is used to connect the control rod 10 so that the control rod 10 can stably position the fitting rod 7.

[0045] As a preferred embodiment of this utility model, a torsion spring 9 is fixedly installed on the bonding rod 7. The torsion spring 9 is fixedly connected to the fixing frame 8. The torsion spring 9 is used to reset the position of the bonding rod 7, so that the bonding rod 7 can automatically bond with the front side of the honeycomb noise reduction device 6.

[0046] The working principle of this utility model is as follows: By installing a honeycomb noise reducer 6 on the rear side of the electric fan 4, the noise of air flowing rapidly can be greatly reduced. Furthermore, sound insulation cotton 2 is installed on the outer side of the annular shell 1, effectively reducing the noise of the electric fan 4 and preventing nearby workers from being disturbed. When it is necessary to disassemble the honeycomb noise reducer 6 or perform maintenance on the honeycomb noise reducer 6 or the electric fan 4, simply pull the four control levers 10 on the four bonding levers 7. After the control levers 10 are pulled away from the fixing frame 8, the bonding levers 7 can be unlocked, allowing them to rotate freely on the front side of the annular shell 1, thus detaching the bonding levers 7 from the honeycomb noise reducer 6. After disassembling and maintaining the honeycomb noise reducer 6, insert it into the inner side of the annular housing 1 and attach it to the bonding block 5. Then release the bonding rod 7 so that it can attach to the front side of the honeycomb noise reducer 6. After the bonding rod 7 attaches to the front side of the honeycomb noise reducer 6, it can prevent the honeycomb noise reducer 6 from detaching from the annular housing 1, thus positioning and installing the honeycomb noise reducer 6. At this time, the control rod 10 will engage with the fixing bracket 8. After the control rod 10 engages with the rectangular groove, it can prevent the bonding rod 7 from rotating, thus positioning the bonding rod 7 and allowing the bonding rod 7 to stably install the honeycomb noise reducer 6.

[0047] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A noise reduction structure of a ventilation device, characterized by, The utility model relates to a kind of sound insulation device, including Annular shell (1); Threaded mounting bracket (3), the quantity of eight threaded mounting bracket (3) is eight, eight threaded mounting bracket (3) is respectively fixedly installed in the front side and rear side fixed connection of annular shell (1); Electric fan (4), electric fan (4) is installed on the inner wall of annular shell (1); Mounting mechanism and unlocking mechanism, the quantity of mounting mechanism and unlocking mechanism is four groups, mounting mechanism is respectively matched with annular shell (1) and unlocking mechanism; Sound insulation mechanism, the sound insulation mechanism includes: sound insulation cotton (2), fitting block (5) and honeycomb noise reducer (6); Fitting block (5) is fixedly installed on the inner wall of annular shell (1), fixed block (12) is in sliding contact with honeycomb noise reducer (6), the outer side of honeycomb noise reducer (6) is in sliding contact with the inner wall of annular shell (1), and sound insulation cotton (2) is fixedly installed on the outer side of annular shell (1).

2. The noise reduction structure of a ventilation device according to claim 1, wherein The mounting mechanism includes: fitting rod (7), fixed frame (8) and torsion spring (9); Fitting rod (7) is rotatably connected at the front side of annular shell (1), the front side of fitting rod (7) is in sliding contact with the front side of honeycomb noise reducer (6), fixed frame (8) penetrates fitting rod (7), fixed frame (8) is rotatably connected with fitting rod (7), fixed frame (8) is fixedly connected with annular shell (1), torsion spring (9) is fixedly connected with fixed frame (8) and fitting rod (7) respectively, and rectangular recess is formed in the fixed frame (8), and installation sliding slot is formed in the fitting rod (7).

3. The noise reduction structure of a ventilation device according to claim 1, wherein The unlocking mechanism includes: control rod (10), return spring (11) and fixed block (12); Control rod (10) is in sliding connection with fitting rod (7), control rod (10) is fixedly connected with return spring (11), return spring (11) is fixedly connected with fixed block (12), and fixed block (12) is fixedly connected with fitting rod (7).

4. The noise reduction structure of a ventilation device according to claim 3, wherein The left side of control rod (10) is in sliding contact with the inner wall of rectangular recess.

5. The noise reduction structure of a ventilation device according to claim 3, wherein Control rod (10) is in sliding connection with the inner wall of installation sliding slot.

6. The noise reduction structure of a ventilation device according to claim 2, wherein Torsion spring (9) is fixedly installed on the fitting rod (7), and torsion spring (9) is fixedly connected with fixed frame (8).

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