CN211125018U

CN211125018U - Plastic housing upper cover with noise reduction function

Info

Publication number: CN211125018U
Application number: CN201921849618.XU
Authority: CN
Inventors: 吴逸尘
Original assignee: Boli Precision Electronics Xiamen Co ltd
Current assignee: Boli Precision Electronics Xiamen Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-28
Anticipated expiration: 2029-10-30

Abstract

The utility model belongs to the technical field of make an uproar falls, specifically disclose a plastic casing upper cover with function of making an uproar falls, including casing and cap, the cap passes through fixing device and installs on the casing, be provided with first sound absorbing layer, second sound absorbing layer, puigging and third sound absorbing layer on the cap, first sound absorbing layer sets up in the cap below, second sound absorbing layer sets up in first sound absorbing layer top, second sound absorbing layer top is provided with the puigging, the cap top is provided with the third sound absorbing layer, be provided with the handle on the cap. The utility model discloses a set up the noise that multilayer sound absorbing layer and puigging can effective absorption and produce in the isolated casing, reach the good effect of making an uproar of falling, the utility model discloses simple structure, convenient operation, the practicality is strong.

Description

Plastic housing upper cover with noise reduction function

Technical Field

The utility model relates to a plastic casing upper cover with function of making an uproar falls belongs to the technical field of making an uproar.

Background

Some current equipment can all produce great noise at the during operation, often are provided with on these equipment and fall the shell of making an uproar and reduce or the noise of isolated equipment, but the sound of inhaling of the cap of the shell of making an uproar that falls now gives sound insulation effect relatively poor, lead to the noise still to transmit away through the cap, the plastic casing upper cover that has the function of making an uproar of falling now designs and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic casing upper cover with function of making an uproar is fallen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastics shell upper cover with function of making an uproar is fallen, includes casing and cap, the cap passes through fixing device and installs on the casing, be provided with first sound absorbing layer, second sound absorbing layer, puigging and third sound absorbing layer on the cap, first sound absorbing layer sets up in the cap below, the second sound absorbing layer sets up in first sound absorbing layer top, second sound absorbing layer top is provided with the puigging, the cap top is provided with the third sound absorbing layer, be provided with the handle on the cap.

Preferably, first sound absorbing layer includes the mounting groove, be provided with in the mounting groove and inhale the sound cotton, the sound cotton of inhaling that sets up can absorb most noise.

Preferably, the second sound absorption layer comprises a mounting plate, the mounting plate is embedded in the shell cover, a plurality of sound absorption grooves are uniformly formed in the mounting plate, and the sound absorption grooves are arranged to absorb noise into the sound absorption grooves, so that noise is reduced and noise transmission is blocked to a certain degree.

Preferably, the puigging is the vacuum envelope, the third sound absorbing layer includes a plurality of arc packages, be provided with in the arc package and inhale the sound cotton, the noise that the transmission came out can be absorbed to the sound cotton of inhaling of setting.

Preferably, the fixing device comprises a fixing sheet, the fixing sheet is correspondingly arranged on two sides of the shell and the shell cover, and the fixing sheet is fixed through a fixing bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of making an uproar falls, specifically disclose a plastic casing upper cover with function of making an uproar falls, the noise that equipment produced in can the effective absorption casing through the multilayer sound absorbing layer and the puigging that set up, prevent that the noise from propagating away through the cap, reach the good effect of making an uproar of falling, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a housing; 2. a shell cover; 3. a fixing device; 4. a first sound absorbing layer; 5. a second sound absorbing layer; 6. a sound insulating layer; 7. a third sound absorbing layer; 8. a handle; 9. mounting grooves; 10. sound-absorbing cotton; 11. mounting a plate; 12. a sound absorbing groove; 13. an arc bag; 14. a fixing sheet; 15. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a plastics shell upper cover with function of making an uproar is fallen, includes casing 1 and cap 2, cap 2 passes through fixing device 3 and installs on casing 1, be provided with first sound absorbing layer 4, second sound absorbing layer 5, puigging 6 and third sound absorbing layer 7 on cap 2, first sound absorbing layer 4 sets up in cap 2 below, second sound absorbing layer 5 sets up in first sound absorbing layer 4 top, second sound absorbing layer 5 top is provided with puigging 6, 2 tops of cap are provided with third sound absorbing layer 7, be provided with handle 8 on cap 2.

Further, first sound absorbing layer 4 includes mounting groove 9, be provided with in mounting groove 9 and inhale sound cotton 10, the sound cotton of inhaling that sets up can absorb most noise.

Further, second sound absorbing layer 5 includes mounting panel 11, mounting panel 11 is embedded in cap 2, evenly be provided with a plurality of sound absorbing grooves 12 on mounting panel 11, the setting up of sound absorbing groove can inhale the noise reduction noise in the sound absorbing groove simultaneously to a certain extent block the noise transmission.

Further, puigging 6 is the vacuum envelope, third sound absorbing layer 7 includes a plurality of arc packages 13, be provided with in the arc package 13 and inhale sound cotton 10.

Further, fixing device 3 includes stationary blade 14, stationary blade 14 corresponds the setting in casing 1 and 2 both sides of cap, stationary blade 14 is fixed through fixing bolt 15, and the noise that the transmission comes out can be absorbed to the sound cotton of inhaling of setting.

The working principle is as follows: the utility model relates to a plastic casing upper cover with noise reduction function, when in use, the shell cover 2 is fixed on the shell 1 through the fixing bolt 15, once the equipment in the shell 1 generates noise, the sound-absorbing cotton 10 in the first sound-absorbing layer 4 arranged on the shell cover 2 absorbs most of the noise, then the sound-absorbing groove 12 in the second sound-absorbing layer 5 arranged at the rear side of the first sound-absorbing layer 4 absorbs the noise, the sound-insulating layer 6 arranged behind the second sound-absorbing layer 5 can isolate partial noise, finally the sound-absorbing cotton 10 in the third sound-absorbing layer 7 arranged on the shell cover 2 can absorb the final noise to achieve good noise reduction effect, the utility model can effectively absorb the noise generated by the equipment in the shell through the multilayer sound-absorbing layer and the sound-insulating layer, prevent the noise from being transmitted out through the shell cover, achieve good noise reduction effect, the utility model has simple structure and convenient operation, the practicability is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastics shell upper cover with function of making an uproar is fallen which characterized in that: including casing (1) and cap (2), install on casing (1) cap (2) through fixing device (3), be provided with first sound absorbing layer (4), second sound absorbing layer (5), puigging (6) and third sound absorbing layer (7) on cap (2), first sound absorbing layer (4) set up in cap (2) below, second sound absorbing layer (5) set up in first sound absorbing layer (4) top, second sound absorbing layer (5) top is provided with puigging (6), cap (2) top is provided with third sound absorbing layer (7), be provided with handle (8) on cap (2).

2. The plastic housing cover with noise reduction function according to claim 1, wherein: the first sound absorption layer (4) comprises a mounting groove (9), and sound absorption cotton (10) is arranged in the mounting groove (9).

3. The plastic housing cover with noise reduction function according to claim 1, wherein: the second sound absorption layer (5) comprises an installation plate (11), the installation plate (11) is embedded in the shell cover (2), and a plurality of sound absorption grooves (12) are uniformly formed in the installation plate (11).

4. The plastic housing cover with noise reduction function according to claim 1, wherein: the puigging (6) are the vacuum envelope, third sound absorbing layer (7) include a plurality of arc packages (13), be provided with in arc package (13) and inhale sound cotton (10).

5. The plastic housing cover with noise reduction function according to claim 1, wherein: the fixing device (3) comprises a fixing sheet (14), the fixing sheet (14) is correspondingly arranged on two sides of the shell (1) and the shell cover (2), and the fixing sheet (14) is fixed through a fixing bolt (15).