CN219626308U

CN219626308U - Sound insulation shell

Info

Publication number: CN219626308U
Application number: CN202320775184.3U
Authority: CN
Inventors: 战庆卢; 付占军; 尹保贤
Original assignee: Dalian Hualian Electric Control Equipment Co ltd
Current assignee: Dalian Hualian Electric Control Equipment Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-09-01
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of sound insulation shells, in particular to a sound insulation shell which comprises a shell and rollers, wherein the inner wall of the shell is connected with a sound attenuation structure, hinges are fixedly connected to the left side of the front surface of the shell respectively, a sound insulation door is fixedly connected to the right side of the rear end surface of each hinge, the outer wall of each sound insulation door is connected with the front surface of the shell in an inserting mode, sound insulation windows are fixedly connected to the left side and the right side of each shell respectively, noise generated by the operation of mechanical equipment in the sound attenuation structure can pass through an inner layer plate, a central plate and an outer layer by layer, noise waves generated by the operation of mechanical equipment in the sound attenuation structure run in holes of the outer walls of the layer plate, the central plate and the outer layer, air molecules in the holes vibrate, part of the sound energy is converted into heat energy due to the effects of friction and viscous resistance, so that the noise attenuation generated by the mechanical equipment achieves the purpose of noise attenuation, the inner layer plate, the central plate and the outer layer are different in gap size, different noise can be used, the noise reduction performance of the sound insulation shell is improved, and the use limitation is eliminated.

Description

Sound insulation shell

Technical Field

The utility model relates to the technical field of sound insulation shells, in particular to a sound insulation shell.

Background

The sound insulation shell is used for shielding sound energy by a sound insulation structure, so that the noise and sound radiation hazard is reduced.

For example, the sound insulation device with the authorized bulletin number of 'CN 216865542U' is characterized in that the first fixing component and the second fixing component are arranged, so that detachable connection is realized between main parts of the sound insulation device, the sound insulation device is convenient to disassemble and assemble, the convenience of the sound insulation device is enhanced, an operator is facilitated to overhaul and maintain a pump group in the sound insulation device, the operation efficiency is improved, the sound insulation device is also called a sound insulation shell, the sound insulation shell is a single sound insulation layer when in use, and due to different mechanical equipment, the noise generated by different mechanical equipment is different, the single sound insulation can only have good noise reduction effect on one noise, the noise reduction effect on the noise generated by other mechanical equipment is not obvious, still large noise can be transmitted through the sound insulation shell, the noise reduction performance of the sound insulation shell is poor, and the use limitation exists.

Disclosure of Invention

The utility model aims to solve the problems of poor noise reduction performance and limited use of a sound insulation shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a sound insulation shell, includes shell and gyro wheel, the inner wall of shell is connected with amortization structure, the front left side of shell has the hinge from top to bottom respectively the rigid coupling, the rear end face right side rigid coupling of hinge has the soundproof door, the outer wall of soundproof door peg graft with the front of shell mutually, the left and right sides of shell has the soundproof window respectively the rigid coupling.

The silencing structure comprises an outer layer plate and a central plate, wherein the outer wall of the outer layer plate is fixedly connected with the inner wall of the shell, the inner wall of the outer layer plate is fixedly connected with the outer wall of the central plate, and the inner layer plate is fixedly connected with the inner wall of the central plate.

The outer walls of the outer layer plate, the central plate and the inner layer plate are respectively provided with holes with different sizes.

Four corners of the bottom of the shell are fixedly connected with the tops of the rollers respectively.

And a vent is communicated above the front surface of the shell.

Square plates are fixedly connected to the bottoms of the left side and the right side of the shell respectively.

The utility model has the beneficial effects that: the noise that makes the production through mechanical equipment work in the amortization structure can the layer by layer pass through inlayer board, center plate and skin, the noise sound wave that produces moves in the hole of plywood, center plate and outer wall, make air molecule vibration in the hole, because friction and the effect of being stained with the stagnation resistance, make a portion sound energy convert heat energy and dissipation, thereby make the noise sound wave attenuation that mechanical equipment produced reach the purpose of eliminating the noise, inlayer board, center plate and outer space size are different, can use different noise, the noise reduction performance of sound insulation shell has been improved, the use limitation has been eliminated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the connection relationship of the outer shell, outer laminate and center panel of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

fig. 4 is a schematic structural diagram of a in fig. 1.

In the figure: 1. the sound insulation board comprises a shell, 2, a sound insulation structure, 201, an outer layer board, 202, a central board, 203, an inner layer board, 3, a fixing structure, 301, a screw, 302, a handle, 303, a bottom board, 4, a hinge, 5, a sound insulation door, 6, rollers, 7, a ventilation opening, 8, a sound insulation window, 9 and a square board.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1:

please refer to fig. 1-4: including shell 1 and gyro wheel 6 in this embodiment, the inner wall of shell 1 is connected with amortization structure 2, and the front left side upper and lower rigid coupling of shell 1 has hinge 4 respectively, and the rear end face right side rigid coupling of hinge 4 has soundproof door 5, and the outer wall of soundproof door 5 is pegged graft mutually with the front of shell 1, and the left and right sides of shell 1 rigid coupling has soundproof window 8 respectively, and the material of shell 1, soundproof door 5 and soundproof window 8 needs to select according to the service environment, if need waterproof.

The silencing structure 2 comprises an outer layer plate 201 and a central plate 202, wherein the outer wall of the outer layer plate 201 is fixedly connected with the inner wall of the shell 1, the inner wall of the outer layer plate 201 is fixedly connected with the outer wall of the central plate 202, the inner plate 203 is fixedly connected with the inner wall of the central plate 202, holes with different sizes are respectively processed on the outer walls of the outer layer plate 201, the central plate 202 and the inner plate 203, the materials of the outer layer plate 201, the central plate 202 and the inner plate 203 are the same and are required to be selected according to the use environment, and the holes with different sizes are processed to weaken noise of different degrees;

the noise generated by the operation of mechanical equipment in the silencing structure 2 can pass through the inner layer plate 203, the central plate 202 and the outer layer 201 layer by layer, the generated noise sound waves run in holes on the outer walls of the layer plate 203, the central plate 202 and the outer layer 201, so that air molecules in the holes vibrate, and part of sound energy is converted into heat energy to be dissipated due to the action of friction and viscous resistance, so that the noise sound waves generated by the mechanical equipment are attenuated to achieve the purpose of silencing.

The bottom four corners of shell 1 are respectively with the top looks rigid coupling of gyro wheel 6, and gyro wheel 6 are convenient for drive shell 1 wholly and move, and the front top intercommunication of shell 1 has vent 7, and the bottom of the left and right sides of shell 1 is respectively rigid coupling has square board 9.

Working principle:

when the silencing shell (comprising the shell 1, the silencing structure 2, the hinge 4 and the soundproof door 5) is used, the soundproof door 1 is firstly rotated to be opened outwards, then mechanical equipment is placed into the shell 1, the silencing door 1 is closed, noise generated during operation of the mechanical equipment can pass through the inner layer plate 203, the central plate 202 and the outer layer 201 layer by layer, noise sound waves generated during operation of the mechanical equipment run in holes on the outer walls of the layer plate 203, the central plate 202 and the outer layer 201, air molecules in the holes vibrate, a part of sound energy is converted into heat energy to dissipate due to the effects of friction and stagnation resistance, so that the noise sound waves generated by the mechanical equipment are attenuated to achieve the silencing purpose, the roller 6 at the bottom is matched to move during movement of the shell 1, and the ventilation opening 7 can dissipate heat generated by the mechanical equipment.

Example 2:

please refer to fig. 1-4: in this embodiment, a sound insulation housing further includes a fixing structure 3, where the fixing structure 3 includes a screw 301 and a handle 302, the inner wall of the screw 301 is in threaded connection with the inner wall of the square plate 9, the top of the screw 301 is fixedly connected with the bottom of the handle 302, and the bottom of the screw 301 is fixedly connected with a bottom plate 303.

Working principle:

after the position of the shell 1 moves, the handle 302 drives the screw 301 to rotate downwards through the square plate 9, and the rotating screw 301 drives the bottom plate 303 to move downwards, so that the bottom of the bottom plate 303 abuts against the ground, and the position of the shell 1 is fixed.

Claims

1. The utility model provides a sound insulation shell, includes shell (1) and gyro wheel (6), its characterized in that: the inner wall of shell (1) is connected with amortization structure (2), front left side upper and lower rigid coupling of shell (1) has hinge (4) respectively, the right side rigid coupling of rear end face of hinge (4) has soundproof door (5), the outer wall of soundproof door (5) is pegged graft with the front of shell (1), the left and right sides of shell (1) is rigid coupling respectively has soundproof window (8).

2. A sound insulating housing according to claim 1, wherein: the silencing structure (2) comprises an outer layer plate (201) and a central plate (202), wherein the outer wall of the outer layer plate (201) is fixedly connected with the inner wall of the shell (1), the inner wall of the outer layer plate (201) is fixedly connected with the outer wall of the central plate (202), and the inner layer plate (203) is fixedly connected with the inner wall of the central plate (202).

3. A sound insulating housing according to claim 2, wherein: the outer walls of the outer layer plate (201), the central plate (202) and the inner layer plate (203) are respectively provided with holes with different sizes.

4. A sound insulating housing according to claim 1, wherein: four corners of the bottom of the shell (1) are respectively fixedly connected with the top of the roller (6).

5. A sound insulating housing according to claim 1, wherein: a vent (7) is communicated above the front surface of the shell (1).

6. A sound insulating housing according to claim 1, wherein: square plates (9) are fixedly connected to the bottoms of the left side and the right side of the shell (1) respectively.