CN214741942U

CN214741942U - High-effect silence air compressor machine's of second grade silencer

Info

Publication number: CN214741942U
Application number: CN202120855184.5U
Authority: CN
Inventors: 叶科含
Original assignee: Ningbo Huasheng Compressor Co ltd
Current assignee: Ningbo Huasheng Compressor Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-16
Anticipated expiration: 2031-04-25

Abstract

The application discloses a silencer of a two-stage high-efficiency silencing air compressor, which is arranged on an exhaust pipe of the air compressor and comprises a spherical silencing part, wherein two ends of the spherical silencing part are connected with the exhaust pipe; connecting rod and support piece can dismantle the connection, make the anechoic plate can fix by the axis of perpendicular to blast pipe, be provided with the expansion pipe on the blast pipe of spherical anechoic portion front end, the blast pipe outside is located to the expansion pipe cover, circumference is arranged on the blast pipe and has been seted up multirow noise elimination hole, noise elimination hole intercommunication blast pipe and expansion pipe, this silencer installation is maintained simple and conveniently, realize high-efficient silence through dual noise cancelling structure, wherein spherical anechoic portion can cooperate very big promotion noise cancelling capacity with the anechoic plate.

Description

High-effect silence air compressor machine's of second grade silencer

Technical Field

The utility model relates to a noise eliminator technical field, concretely relates to high-effect silence air compressor's of second grade silencer.

Background

The air compressor is widely used mechanical equipment, but the air compressor is easy to generate noise when in operation, most of the noise comes from the air inlet and the air outlet, so that the common practice in the industry is to install silencers on the air inlet and the air outlet.

The mufflers are of various types, but the muffling mechanism is considered, and the mufflers can be divided into six main types, namely resistive mufflers, reactive mufflers, resistive composite mufflers, micro-perforated plate mufflers, small-hole mufflers and active mufflers.

However, the conventional muffler device has the following drawbacks: at present, more mufflers used on air compressor equipment are impedance composite mufflers, and the mufflers are generally complex in structure, inconvenient to install, uneven in muffling effect and relatively high in cost.

Disclosure of Invention

An aim at of this application provides an installation and maintains simple and conveniently, the silencer of the high-effect silence air compressor machine of the better second grade of noise elimination effect.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a silencer of a two-stage high-efficiency silencing air compressor is arranged on an exhaust pipe of the air compressor and comprises a spherical silencing part, wherein two ends of the spherical silencing part are connected with the exhaust pipe; the connecting rod and the supporting piece are detachably connected, so that the silencing plate can be fixed perpendicular to the axis of the exhaust pipe.

As an improvement, an expansion pipe is arranged on the exhaust pipe at the front end of the spherical silencing part, the expansion pipe is sleeved on the outer side of the exhaust pipe, a plurality of rows of silencing holes are circumferentially arranged on the exhaust pipe, and the silencing holes are communicated with the exhaust pipe and the expansion pipe.

As a modification, the sound-deadening holes are located in the middle of the expanding tube.

As an improvement, the front end of the spherical silencing part is provided with a through hole, the through hole is matched and nested to the expansion pipe, and the silencing plate can pass through the through hole.

As an improvement, a reinforcing rib is arranged at the joint of the connecting rod and the sound-absorbing plate.

As a modification, the pipe orifice of the exhaust pipe at the front end of the spherical silencing part is expanded outwards to form an expansion port.

Compared with the prior art, the beneficial effect of this application lies in: improve traditional impedance combined type silencer, use the expansion pipe earlier to carry out the resistance noise elimination, air speed has certain reduction this moment, then get into spherical noise elimination portion in, its inside noise elimination board that is provided with carries out the resistance noise elimination, the air current strikes can shunt all around to noise elimination board the time, can maximize the effect of the noise elimination layer of laying on the spherical noise elimination portion inner wall this moment, make noise elimination effect obtain promoting, this silencer noise elimination effect is stable high-efficient, can effectual reduction high-strength's broadband noise.

Drawings

FIG. 1 is a schematic diagram of the internal structure according to a preferred embodiment of the present application;

FIG. 2 is an overall structural view of a preferred embodiment according to the present application;

fig. 3 is an exploded structural view of a preferred embodiment according to the present application.

In the figure: 1. an exhaust pipe; 11. a sound-deadening aperture; 12. expanding the mouth; 2. a spherical muffling portion; 21. a sound-deadening layer; 22. a through port; 3. an acoustic panel; 31. a silencing eye; 32. a connecting rod; 33. reinforcing ribs; 4. a support member; 5. and (4) expanding the tube.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 3, a muffler according to a preferred embodiment of the present invention is disposed on an exhaust pipe 1 of an air compressor, and includes a spherical muffling portion 2, both ends of the spherical muffling portion 2 are connected to the exhaust pipe 1, a muffling layer 21 is laid on an inner wall of the spherical muffling portion 2, and the muffling layer 21 is capable of disturbing and absorbing passing air flow, thereby reducing noise intensity, but the simple muffling layer 21 has a limited muffling effect, and the air flow can rapidly pass through the muffling layer 21, so that the muffling plate 3 is disposed in the spherical muffling portion 2, the muffling plate 3 is circular, muffling eyes 31 are uniformly arranged on the muffling plate 3, the muffling plate 3 may preferably be a micro-perforated plate, the muffling plate 3 itself can perform muffling effect, and the air flow can be shunted around while impacting the muffling plate 3, and the effect of the muffling layer 21 laid on the inner wall of the spherical muffling portion 2 can be maximized, the spherical structure can enable the area of the noise elimination layer 21 contacting with the shunted airflow to be larger, and the noise elimination effect is improved.

A support piece 4 is arranged on the exhaust pipe 1 at the rear end of the spherical silencing part 2, and a connecting rod 32 extends from the silencing plate 3 to the direction of the support piece 4; the connecting rod 32 and the supporting piece 4 are detachably connected, so that the silencing plate 3 can be fixed perpendicular to the axis of the exhaust pipe 1, the silencing plate 3 can be vertically arranged relative to the flowing direction of the airflow, and the resistive silencing effect is improved.

The exhaust pipe 1 at the front end of the spherical silencing part 2 is provided with the expansion pipe 5, the expansion pipe 5 is sleeved on the outer side of the exhaust pipe 1, the exhaust pipe 1 is circumferentially provided with a plurality of rows of silencing holes 11, the silencing holes 11 are located in the middle of the expansion pipe 5, the silencing holes 11 are communicated with the exhaust pipe 1 and the expansion pipe 5, and the expansion pipe 5 can utilize resistance silencing to firstly eliminate the noise of air flow before entering the spherical silencing part 2.

The front end of the spherical silencing part 2 is provided with a through opening 22, the through opening 22 is matched and nested to the expansion pipe 5, the silencing plate 3 can pass through the through opening 22, and the structure is convenient for the installation and the arrangement of the silencing plate 3.

The joint of the connecting rod 32 and the silencing plate 3 is provided with the reinforcing rib 33, and the reinforcing rib 33 can increase the stability of the silencing plate 3 and avoid the inclination or the fracture of the silencing plate 3 because the flow velocity of the air flow impacting to the silencing plate 3 is very high.

The pipe orifice of the exhaust pipe 1 at the front end of the spherical silencing part 2 expands outwards to form an expansion port 12, so that the air flow can be rapidly diffused into the spherical silencing part 2.

As shown in fig. 3, the muffler has a simple structure and is convenient to mount and dismount, the expansion pipe 5 can be sleeved on the exhaust pipe 1, the silencing plate 3 can be connected with the supporting piece 4 on the exhaust pipe 1 at the rear end of the spherical silencing part 2 through the opening 22, so that the silencing plate 3 can be fixed in the spherical silencing part 2, and then the front end of the spherical silencing part 2 is sleeved on the expansion pipe 5, so that the combined mounting can be completed.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a high-effect silence air compressor's of second grade silencer, the silencer sets up on the blast pipe of air compressor machine, its characterized in that: the silencer comprises a spherical silencing part, two ends of the spherical silencing part are connected with the exhaust pipe, a silencing layer is laid on the inner wall of the spherical silencing part, a silencing plate is arranged in the spherical silencing part, silencing holes are uniformly distributed on the silencing plate, a support piece is arranged on the exhaust pipe at the rear end of the spherical silencing part, and a connecting rod extends from the silencing plate to the support piece; the connecting rod and the supporting piece are detachably connected, so that the silencing plate can be fixed perpendicular to the axis of the exhaust pipe.

2. The muffler of a two-stage high-efficiency silent air compressor as claimed in claim 1, wherein: the exhaust pipe at the front end of the spherical silencing part is provided with an expansion pipe, the expansion pipe is sleeved on the outer side of the exhaust pipe, a plurality of rows of silencing holes are circumferentially arranged on the exhaust pipe, and the silencing holes are communicated with the exhaust pipe and the expansion pipe.

3. The muffler of a two-stage high-efficiency silent air compressor as claimed in claim 2, wherein: the silencing hole is positioned in the middle of the expansion pipe.

4. The muffler of a two-stage high-efficiency silent air compressor as claimed in claim 2, wherein: the front end of the spherical silencing part is provided with a through hole, the through hole is matched and nested with the expansion pipe, and the silencing plate can pass through the through hole.

5. The muffler of a two-stage high-efficiency silent air compressor as claimed in claim 1, wherein: and reinforcing ribs are arranged at the joints of the connecting rods and the sound-absorbing plates.

6. The muffler of a two-stage high-efficiency silent air compressor as claimed in claim 1, wherein: the pipe orifice of the exhaust pipe at the front end of the spherical silencing part expands outwards to form an expansion opening.