CN217813962U

CN217813962U - Screw air compressor device with noise elimination structure

Info

Publication number: CN217813962U
Application number: CN202122143224.6U
Authority: CN
Inventors: 吴立会; 李从恺; 张宗川
Original assignee: Crrc Sdic Energy Conservation And Environmental Protection Technology Beijing Co ltd
Current assignee: Crrc Sdic Energy Conservation And Environmental Protection Technology Beijing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-11-15
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a screw rod air compressor device with sound-deadening structure, including the anechoic box, the inside anechoic chamber that is equipped with of anechoic box, the anechoic chamber runs through the front and back both sides wall of anechoic box, fixedly connected with silence board on the lateral wall of anechoic chamber, be equipped with screw compressor in the anechoic chamber, a plurality of buffer spring of screw compressor's end lateral wall fixedly connected with, every buffer spring's bottom fixed connection is on the lateral wall of silence board, the both sides of anechoic chamber are equipped with the extrusion device. The utility model provides an among the prior art screw compressor machine in use too big shortcoming of noise, the easy shortcoming that disturbs the user.

Description

Screw air compressor device with noise elimination structure

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a screw rod air compressor device with sound-attenuating structure.

Background

The screw air compressor adopts a pre-set configuration screw air compressor, only needs single power connection and compressed air connection, is internally provided with a cooling system, greatly simplifies the installation work, and provides high-quality compressed air by the advantages of high efficiency, maintenance-free, high reliability and the like.

However, in the prior art, the screw air compressor generates noise when in use, vibration and air suction during use are main noise sources, and the conventional screw air compressor does not have a silencing device, so that noise can interfere with a user during use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod air compressor device with sound-attenuating structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a screw rod air compressor device with sound-absorbing structure, includes the amortization box, the inside amortization room that is equipped with of amortization box, the amortization room runs through the both sides wall around the amortization box, fixedly connected with silence board on the lateral wall of amortization room, be equipped with screw compressor in the amortization room, a plurality of buffer spring of screw compressor's end lateral wall fixedly connected with, every buffer spring's bottom fixed connection is on the lateral wall of silence board, the both sides of amortization room are equipped with extrusion device.

As a further improvement scheme of the technical scheme: the extrusion device comprises two fixing rods, wherein the two fixing rods are respectively fixedly connected to the side wall of the silencing plate and are sleeved with an extrusion spring, the two extrusion springs are fixedly connected to one end of the side wall of the silencing plate and are fixedly connected to the two side walls of the screw air compressor, and the other end of each extrusion spring is fixedly connected to the two side walls of the screw air compressor.

As a further improvement scheme of the technical scheme: two the one end fixedly connected with blotter that the dead lever deviates from the silence board, two the blotter all adopts the rubber material.

As a further improvement scheme of the technical scheme: a plurality of silencing holes are formed in the side wall of the silencing plate, and a plurality of reflecting ridges are fixedly connected into the side wall of each silencing hole.

As a further improvement scheme of the technical scheme: the material of the silencing plate is a metal fiber sound-absorbing material.

As a further improvement scheme of the technical scheme: handles are fixedly connected to two sides of the outer side wall of the whistle box.

As a further improvement scheme of the technical scheme: the outside bottom lateral wall fixedly connected with of whistle box is a plurality of wheels that move.

As a further improvement scheme of the technical scheme: each reflecting edge is in a multi-pyramid shape, and the material of each reflecting edge is a sound insulation board.

Compared with the prior art, the beneficial effects of the utility model are that: when the screw air compressor starts, firstly, vibration can be generated, the vibration can drive the contact surface to generate noise, the buffer spring and the extrusion spring are adopted as main fixing devices of the screw air compressor, the ground force generated by the vibration can be converted into the elastic potential energy of the spring to release, and therefore the noise is avoided, the sound generated when air is sucked is generated in the silencing chamber and can be absorbed by the silencing plate and the silencing holes, and therefore the decibel of the noise is reduced as much as possible.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic front sectional view of a screw air compressor device with a sound attenuation structure according to the present invention;

fig. 2 is a schematic three-dimensional structure diagram of a sound-deadening box of the screw air compressor device with a sound-deadening structure according to the present invention;

fig. 3 is a schematic front sectional structural view of a sound-muffling box of the screw air compressor apparatus with a sound-muffling structure provided by the present invention;

fig. 4 is a partially enlarged structural diagram of a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

the sound-deadening box comprises a sound-deadening box 1, a handle 2, a sound-deadening plate 3, a sound-deadening hole 4, a moving wheel 5, a buffer spring 6, a screw air compressor 7, a buffer cushion 8, an extrusion spring 9, a fixing rod 10, a sound-deadening chamber 11 and a reflecting edge 12.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, the embodiment of the utility model provides an in, a screw compressor device with noise-abatement structure, including whistle box 1, 1 inside hush chamber 11 that is equipped with of whistle box, hush chamber 11 runs through both sides wall around the whistle box 1, fixedly connected with silence board 3 on the lateral wall of hush chamber 11, be equipped with screw compressor 7 in the hush chamber 11, a plurality of buffer spring 6 of screw compressor 7's the end lateral wall fixedly connected with, the bottom fixed connection of every buffer spring 6 is on the lateral wall of silence board 3, the both sides of hush chamber 11 are equipped with extrusion device.

Referring to fig. 1, the extruding device includes two fixing rods 10, the two fixing rods 10 are respectively and fixedly connected to the side walls of the sound-deadening plate 3, the extruding springs 9 are sleeved on the side walls of the two fixing rods 10, one ends of the two extruding springs 9 are fixedly connected to the side walls of the sound-deadening plate 3, the other ends of the two extruding springs 9 are fixedly connected to the two side walls of the screw air compressor 7, the bottom of the screw air compressor 7 is connected to the buffer springs 6, and the two side walls are connected to the extruding springs 9, when the screw air compressor 7 starts to vibrate, at first, the buffer springs 6 and the extruding springs 9 can be vibrated to start deformation, different vibrations of the screw air compressor 7 can be compressed or stretched, the vibrations of the screw air compressor 7 are converted into elastic potential energy generated when the springs are deformed, and noise generated when the screw air compressor 7 directly contacts with a plate surface is avoided.

Please refer to fig. 1, two dead levers 10 deviate from the one end fixedly connected with blotter 8 of silence board 3, two blotters 8 all adopt rubber material, when screw compressor 7 when the frequency of rocking about vibrations in-process is too big, in order to ensure its stability, at its both sides fixedly connected with dead lever 10 and at the equal fixed connection blotter 8 in both ends of dead lever 10, can contact blotter 8 when the range that screw compressor 7 rocked is too big, blotter 8 will take place the impact force that deformation absorption screw compressor 7 gave, compressed extrusion spring 9 will reply original use elastic potential energy and recover screw compressor 7 after screw compressor 7's vibrations range reduces, adopt rubber material to let blotter 8 have good deformability and resilience ability.

Referring to fig. 1 and 4, a plurality of silencing holes 4 are formed in the side wall of the silencing plate 3, a plurality of reflecting ribs 12 are fixedly connected to the inside of the side wall of each silencing hole 4, the silencing plate 3 mainly functions to absorb sound and reduce decibels through continuous separation, when part of the sound silencing plate 3 cannot absorb the sound, the sound is absorbed by the silencing holes 4, the sound enters the silencing holes 4 and is continuously reflected by the reflecting ribs 12 to consume energy of the sound so as to reduce the sound, the plurality of reflecting ribs 12 can reduce the sound more quickly, the problem of overlarge sound of the sucked air in compressed air is avoided, and the noise is reduced.

Referring to fig. 1, the mute panel 3 is made of a metal fiber sound absorbing material, when sound is transmitted to the surface of the mute panel 3, a part of sound energy is reflected, a part of sound energy penetrates through the material, and a part of sound energy is converted into heat energy by the sound energy due to the vibration of the mute panel 3 or the friction between the sound and the surrounding medium when the sound is transmitted, so that the sound energy is lost, that is, the sound is absorbed by the material.

Referring to fig. 1, handles 2 are fixedly connected to two sides of the outer side wall of the muffling box 1, when the muffling box 1 needs to be carried directly, the device is easy to fall and damage due to unstable stress, and the handles 2 are fixedly connected to two sides of the outer side wall of the muffling box 1, so that the muffling box 1 can be lifted and stressed directly by lifting the handles 2, and the device is convenient to carry.

Referring to fig. 1, the external bottom side wall of the sound muffling box 1 is fixedly connected with a plurality of moving wheels 5, so that the whole sound muffling box is heavy and inconvenient to move when adjusting the position, the moving wheels 5 are installed to increase convenient mobility, and the sound muffling box can be moved by pushing to conveniently adjust the position.

Referring to fig. 4, each of the reflecting ridges 12 is in the shape of a polygonal pyramid, the material of each of the reflecting ridges 12 is a sound insulation board, the sound energy of the reflecting ridges 12 is reduced by reflecting the sound for many times, sound absorption is performed, sound can be well absorbed by using the sound insulation board, and meanwhile, the sound insulation effect is better because the reflecting ridges 12 have a plurality of surfaces and can reflect for many times.

The utility model discloses a theory of operation is: when the screw air compressor 7 starts to vibrate, firstly, the buffer spring 6 and the extrusion spring 9 can be subjected to vibration, deformation is started, different vibration of the screw air compressor 7 can be compressed or stretched, the vibration of the screw air compressor 7 is converted into elastic potential energy generated when the spring deforms, noise generated by vibration due to the fact that the screw air compressor 7 directly contacts a plate surface is avoided, when the vibration amplitude of the screw air compressor 7 is too large, the cushion 8 can be contacted, the cushion 8 can generate deformation to absorb impact force given by the screw air compressor 7, after the vibration amplitude of the screw air compressor 7 is reduced, the compressed extrusion spring 9 can restore the original elastic potential energy to restore the screw air compressor 7, the mute panel 3 mainly has the effects that sound is reduced in decibels through continuous separation, when part of the sound mute panel 3 cannot absorb the sound to be absorbed by the sound deadening holes 4, the sound enters the sound deadening holes 4 and can be continuously reflected by the reflection ribs 12 to consume the energy, so that the sound is reduced, the sound can be reduced more quickly, and the problem that the noise generated in compressed air is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a screw rod air compressor device with sound-absorbing structure, includes amortization box (1), its characterized in that, inside amortization room (11) that is equipped with of amortization box (1), both sides wall around amortization room (11) run through amortization box (1), fixedly connected with silence board (3) on the lateral wall of amortization room (11), be equipped with screw rod air compressor machine (7) in amortization room (11), a plurality of buffer spring (6) of the end lateral wall fixedly connected with of screw rod air compressor machine (7), every the bottom fixed connection of buffer spring (6) is on the lateral wall of silence board (3), the both sides of amortization room (11) are equipped with extrusion device.

2. The screw air compressor device with the sound attenuation structure is characterized by comprising two fixing rods (10), wherein the two fixing rods (10) are fixedly connected to the side wall of a sound-deadening plate (3) respectively, extrusion springs (9) are sleeved on the side walls of the two fixing rods (10), one ends of the two extrusion springs (9) are fixedly connected to the side wall of the sound-deadening plate (3), and the other ends of the two extrusion springs (9) are fixedly connected to the two side walls of the screw air compressor (7).

3. The screw air compressor device with the sound attenuation structure is characterized in that cushion pads (8) are fixedly connected to ends, away from the sound attenuation plate (3), of the two fixing rods (10), and the two cushion pads (8) are made of rubber.

4. The screw air compressor device with the sound attenuation structure is characterized in that a plurality of sound attenuation holes (4) are formed in the side wall of the sound attenuation plate (3), and a plurality of reflection ridges (12) are fixedly connected into the side wall of each sound attenuation hole (4).

5. The screw air compressor device with the sound attenuation structure is characterized in that the material of the sound attenuation plate (3) is a metal fiber sound absorption material.

6. The screw air compressor device with the sound attenuation structure is characterized in that handles (2) are fixedly connected to two sides of the outer side wall of the sound attenuation box (1).

7. The screw air compressor device with the sound attenuation structure according to claim 1, wherein a plurality of moving wheels (5) are fixedly connected to the outer bottom side wall of the sound attenuation box (1).

8. The screw air compressor device with the sound attenuation structure is characterized in that each reflection ridge (12) is in a shape of a polygonal pyramid, and each reflection ridge (12) is made of sound insulation boards.