CN214944998U

CN214944998U - Screw air compressor with noise reduction mechanism

Info

Publication number: CN214944998U
Application number: CN202121755936.7U
Authority: CN
Inventors: 张昌山
Original assignee: Qicun Energy Saving Technology Jiangsu Co ltd
Current assignee: Qicun Energy Saving Technology Jiangsu Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-30
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to the technical field of screw air compressors, in particular to a screw air compressor with a noise reduction mechanism, which comprises an outer shell, an inner shell is arranged in the outer shell, sound-absorbing sponge is arranged between the outer shell and the inner shell in a padding way, a secondary damping mechanism is arranged on the bottom surface in the outer shell, the upper end of the secondary damping mechanism is fixedly connected with the inner shell, a primary damping mechanism is arranged on the left side of the surface of the bottom end in the inner shell, a cooling device is arranged on the upper end of the left side in the inner shell, a gas tank is arranged on the right side in the inner shell, a motor and a screw air compressor are respectively arranged at the front end and the rear end below the left side in the inner shell, and the primary damping mechanism is arranged below the motor and the screw air compressor, so that the noise volume generated when the vibration generated by the motor collides with the inner shell in the operation process is reduced, to reduce the noise generated by the whole device.

Description

Screw air compressor with noise reduction mechanism

Technical Field

The utility model relates to a screw compressor machine technical field specifically is a screw compressor machine with mechanism of making an uproar falls.

Background

The screw air compressor is characterized in that a screw air compressor is configured in a pre-formed set, only a single power supply connection and a single compressed air connection are needed, a cooling system is arranged in the screw air compressor, the installation work is greatly simplified, the screw air compressor consistently provides high-quality compressed air for various industries by the advantages of high efficiency, maintenance-free performance, high reliability and the like, and a screw compression assembly in the screw air compressor is manufactured in an up-to-date numerical control grinding machine and is matched with an online laser technology, so that the manufacturing tolerance is accurate and zero. The reliability and the performance of the compressor can ensure that the running cost of the compressor is always extremely low in the service life, the adjusting compressor, the integrated compressor and the desiccant series are new products in an L/LS series compressor, but in the using process of the screw air compressor, vibration generated by the rotation of a motor and agitation generated by the rotation of the screw air compressor can generate larger noise. In view of this, we propose a screw air compressor with a noise reduction mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screw compressor with mechanism of making an uproar is fallen to the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a screw air compressor with a noise reduction mechanism comprises an outer shell, wherein an inner shell is arranged in the outer shell, a sound absorption sponge is arranged between the outer shell and the inner shell in a cushioning mode, a secondary damping mechanism is arranged on the bottom end face in the outer shell, the upper end of the secondary damping mechanism is fixedly connected with the inner shell, and a primary damping mechanism is arranged on the left side of the bottom end face in the inner shell;

the utility model discloses a vibration damping mechanism, including interior casing, motor, screw compressor, motor output shaft, screw compressor, motor, screw compressor, interior casing inside left side upper end installs cooling device, the gas pitcher is installed on the inside right side of interior casing, motor and screw compressor are installed respectively to both ends around the inside left side below of interior casing, the motor output shaft with screw compressor passes through the drive belt and connects, the motor with screw compressor all with one-level damper fixed connection.

As preferred technical scheme, one-level damper include with motor and screw compressor machine lower extreme fixed connection's two fixed plates, weld in two connecting plate between the fixed plate, weld in a plurality of one-level spring support columns of fixed plate lower surface bottommost, fixed connection in one-level spring on the terminal surface under the one-level spring support column and encircle the one-level spring support ring outside one-level spring, one-level spring support ring weld in the inside bottom surface left side of interior casing.

As a preferred technical solution, the secondary damping mechanism includes a plurality of support blocks fixedly connected to the lower surface of the inner housing, secondary springs fixedly connected to the lower surfaces of the support blocks, secondary spring support columns welded to the lower surfaces of the support blocks, buffer layers fixedly connected to the lower surfaces of the secondary spring support columns, and secondary spring support rings wrapped around the peripheries of the secondary springs, and the secondary spring support rings are welded to the surface of the bottom end inside the outer housing.

As a preferred technical scheme, the fixing plate is of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the primary damping mechanism is arranged below the motor and the screw air compressor, and the noise generated when the vibration generated by the motor in the operation process collides with the inner shell is reduced, so that the noise generated by the whole device is reduced.

Drawings

Fig. 1 is one of the overall structural diagrams of the present invention;

fig. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a primary damping mechanism of the present invention;

fig. 4 is a schematic structural view of the middle-stage and second-stage damping mechanism of the present invention.

In the figure:

an outer shell 1; a sound absorbing sponge 2;

an inner housing 3; a cooling device 31; a motor 32; a belt 33; a screw air compressor 34; a gas tank 35;

a primary damping mechanism 4; a fixed plate 41; a connecting plate 42; primary spring support posts 43; a primary spring 44; a primary spring support ring 45;

a secondary damping mechanism 5; a support block 51; a secondary spring 52; secondary spring support posts 53; a buffer layer 54; a secondary spring support ring 55.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a screw air compressor with a noise reduction mechanism comprises an outer shell 1, wherein an inner shell 3 is arranged inside the outer shell 1, a sound absorption sponge 2 is arranged between the outer shell 1 and the inner shell 3 in a cushioning mode, a secondary damping mechanism 5 is arranged on the bottom end face inside the outer shell 1, the upper end of the secondary damping mechanism 5 is fixedly connected with the inner shell 3, and a primary damping mechanism 4 is arranged on the left side of the bottom end face inside the inner shell 3;

cooling device 31 is installed to the inside left side upper end of interior casing 3, and gas pitcher 35 is installed on the inside right side of interior casing 3, and motor 32 and screw compressor 34 are installed respectively to both ends around the inside left side below of interior casing 3, and motor 32 output shaft and screw compressor 34 pass through drive belt 33 to be connected, and motor 32 and screw compressor 34 all with one-level damper 4 fixed connection.

It should be added that, the primary damping mechanism 4 includes two fixing plates 41 fixedly connected with the lower ends of the motor 32 and the screw air compressor 34, a connecting plate 42 welded between the two fixing plates 41, a plurality of primary spring support columns 43 welded at the lowest end of the lower surface of the fixing plate 41, a primary spring 44 fixedly connected to the lower end face of the primary spring support columns 43, and a primary spring support ring 45 surrounding the primary spring 44, the primary spring support ring 45 is welded at the left side of the inner bottom surface of the inner housing 3, the primary spring 44 is fixed at a position by the primary spring support ring 45, and the length of the primary spring 44 is smaller than that of the primary spring support ring 45, so as to prevent the primary spring support columns 43 and the primary spring support ring 45 from generating noise due to collision.

Preferably, the secondary damping mechanism 5 includes a plurality of support blocks 51 fixedly connected to the lower surface of the inner housing 3, secondary springs 52 fixedly connected to the lower surface of the support blocks 51, secondary spring support columns 53 welded to the lower surface of the support blocks 51, a buffer layer 54 fixedly connected to the lower surface of the secondary spring support columns 53, and a secondary spring support ring 55 wrapped around the secondary springs 52, wherein the secondary spring support ring 55 is welded to the inner bottom surface of the outer housing 1, and the buffer layer 54 mounted at the ends of the secondary spring support columns 53 can prevent the secondary spring support columns 53 from colliding with the outer housing 1 to generate noise.

Preferably, the fixing plate 41 has an arc structure, and the arc structure can closely adhere to the outer surfaces of the motor 32 and the screw air compressor 34.

The utility model discloses a screw compressor with mechanism of making an uproar falls when using, after motor 32 starts, motor 32 begins to shake, the vibrations that one-level damping device 4 connected with motor 32 produced motor 32 through one-level spring 44 are alleviated, one-level spring 44 shakes from top to bottom in one-level spring support ring 45 under the drive of one-level spring support column 43, prevent that motor 32's vibrations from contacting interior casing 3 and producing a large amount of noises, if shake too big interior casing 3 that leads to and also produce vibrations, second grade damper 5 will play a role this moment, interior casing 3 makes second grade spring support column 53 drive second grade spring 52 shake from top to bottom in second grade spring support ring 55 is inside, until alleviating interior casing 3's vibrations, and can be absorbed by attracting sponge 2 at the noise of alleviating the in-process because the noise that vibrations produced, the effect of making an uproar has been fallen has been reached.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a screw compressor with mechanism of making an uproar falls, includes shell body (1), its characterized in that: an inner shell (3) is arranged inside the outer shell (1), a sound-absorbing sponge (2) is arranged between the outer shell (1) and the inner shell (3) in a cushioning mode, a secondary damping mechanism (5) is arranged on the bottom end face inside the outer shell (1), the upper end of the secondary damping mechanism (5) is fixedly connected with the inner shell (3), and a primary damping mechanism (4) is arranged on the left side of the bottom end surface inside the inner shell (3);

cooling device (31) are installed to the inside left side upper end of interior casing (3), gas pitcher (35) are installed on the inside right side of interior casing (3), motor (32) and screw compressor machine (34) are installed respectively at both ends around the inside left side below of interior casing (3), motor (32) output shaft with screw compressor machine (34) are connected through drive belt (33), motor (32) with screw compressor machine (34) all with one-level damper (4) fixed connection.

2. The screw air compressor with the noise reduction mechanism as claimed in claim 1, wherein: one-level damper (4) include with two fixed plates (41) of motor (32) and screw compressor machine (34) lower extreme fixed connection, weld in two connecting plate (42) between fixed plate (41), weld in a plurality of one-level spring support columns (43), the fixed connection of fixed plate (41) lower surface lower extreme in one-level spring support column (43) terminal surface on one-level spring support column (43) and encircle one-level spring support ring (45) outside one-level spring (44), one-level spring support ring (45) weld in the inside bottom surface left side of interior casing (3).

3. The screw air compressor with the noise reduction mechanism as claimed in claim 1, wherein: second grade damper (5) including a plurality of supporting shoe (51) of fixed connection on interior casing (3) lower surface, fixed connection in second grade spring (52) on supporting shoe (51) lower surface, weld in second grade spring support post (53) on supporting shoe (51) lower surface, fixed connection buffer layer (54) on second grade spring support post (53) lower surface and wrap up in second grade spring (52) outlying second grade spring support ring (55), second grade spring support ring (55) weld in on the inside bottom surface of shell body (1).

4. The screw air compressor with the noise reduction mechanism according to claim 2, wherein: the fixing plate (41) is of an arc-shaped structure.