CN217233750U

CN217233750U - Low-noise air compressor

Info

Publication number: CN217233750U
Application number: CN202220709689.5U
Authority: CN
Inventors: 朱志辉
Original assignee: Foshan Honghuiteng Machinery Technology Co ltd
Current assignee: Foshan Honghuiteng Machinery Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-19
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to the technical field of air compressors, in particular to a low-noise air compressor, which comprises a shell, wherein a double-shaft motor is arranged on the inner wall of the bottom of the shell, a cam is arranged on the outer wall of the circumference of an output shaft of the double-shaft motor, a fixed rod is arranged at the bottom of the outer wall at one side of the cam, a piston bearing is arranged on the outer wall of the circumference of the fixed rod, a piston is sleeved on the outer wall of the circumference of the piston bearing, end covers are arranged on two sides of the outer wall at the top of the shell, and an air cylinder is arranged on the outer wall at the top of the end cover. Further silencing can be achieved, thereby improving the external environment.

Description

Low-noise air compressor

Technical Field

The utility model relates to an air compressor technical field specifically is an air compressor of low noise.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle.

In the air intake process of the air compressor, the air flows rapidly and is compressed, so that the problem of large airflow sound is caused; in addition, the cam and the connecting rod are connected by the bearing to generate movement, and in the process, the bearing generates a large amount of heat and generates noise, so that the use has limitation, and therefore, a low-noise air compressor is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air compressor of low noise to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides an air compressor of low noise, includes the casing, the biax motor is installed to the chassis bottom inner wall, and the output shaft circumference outer wall of biax motor installs the cam, the dead lever is installed to cam one side outer wall bottom, and dead lever circumference outer wall installs piston bearing, piston bearing circumference outer wall has cup jointed the piston, and chassis top outer wall both sides all install the end cover, the cylinder is installed to end cover top outer wall, the air chamber is installed to cylinder top outer wall, and air chamber top outer wall installs the blast pipe, the air inlet duct has all been seted up to chassis bottom outer wall both sides, and the air inlet duct is the toper form, and the air inlet duct is from little up internal diameter grow gradually.

Preferably, the valve plate is installed to the cylinder inner wall, and the valve block is all installed to valve plate top and bottom outer wall.

Preferably, the inner wall of the exhaust pipe is provided with a silencing cylinder, and the circumferential outer wall of the silencing cylinder is provided with through holes distributed at equal intervals.

Preferably, sealed lid is all installed to casing both sides outer wall, and sealed lid one side outer wall installs the mesh casing.

Preferably, the inner walls of the two sides of the mesh shell are provided with limit grooves distributed at equal intervals, and the inner walls of the limit grooves are connected with limit columns in a sliding mode.

Preferably, the same folding sound-absorbing plate is arranged on the outer wall of one side, opposite to the two limiting columns, of the two limiting columns.

The utility model discloses an improve and provide a low noise's air compressor here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a be provided with the air inlet duct, because the air inlet duct is the toper form, to the velocity of flow of the air current that enters into the casing inside, realize preliminary noise subducting, be provided with mesh shell, spacing post and folding acoustical panel inside the casing, the air current flows rapidly and when the sound that produces and folding acoustical panel contact each other when compressing, receives the resilience of folding acoustical panel, can reach the effect of further amortization to external environment has been improved;

the second step is as follows: the utility model discloses a be provided with the noise elimination section of thick bamboo on the blast pipe, the inside through-hole of noise elimination section of thick bamboo can absorb the noise that produces in the blast pipe exhaust air, because inside the air entered into air compressor through the below, can ventilate the heat that produces in the piston bearing rotation work to cool down it, improved work life.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the sealing cap and mesh housing structure of the present invention;

fig. 4 is a schematic structural view of the limiting column and the folding sound-absorbing plate of the present invention.

Description of the reference numerals:

1. a housing; 2. a sealing cover; 3. an end cap; 4. a cylinder; 5. a gas chamber; 6. an exhaust pipe; 7. A double-shaft motor; 8. a cam; 9. a piston bearing; 10. a piston; 11. a valve plate; 12. a mesh enclosure; 13. a limiting column; 14. folding the acoustical panel; 15. an air inlet groove; 16. a sound-deadening cylinder.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model discloses an improve and provide an air compressor of low noise here, the technical scheme of the utility model is:

as shown in fig. 1 to 4, a low noise air compressor includes a cabinet 1, a double-shaft motor 7 installed on the inner wall of the bottom of the cabinet 1, and the outer wall of the circumference of the output shaft of the double-shaft motor 7 is provided with a cam 8, the bottom of the outer wall at one side of the cam 8 is provided with a fixed rod, and the circumferential outer wall of the fixed rod is provided with a piston bearing 9, the circumferential outer wall of the piston bearing 9 is sleeved with a piston 10, and both sides of the outer wall of the top of the machine shell 1 are provided with end covers 3, the outer wall of the top of the end covers 3 is provided with an air cylinder 4, the outer wall of the top of the air cylinder 4 is provided with an air chamber 5, and the outer wall of the top of the air chamber 5 is provided with an exhaust pipe 6, both sides of the outer wall of the bottom of the machine shell 1 are provided with air inlet grooves 15, the air inlet grooves 15 are in a conical shape, the inner diameter of the air inlet grooves 15 is gradually increased from small to large, because the air inlet slot 15 is in a conical shape, the flow velocity of the airflow entering the machine shell 1 is reduced primarily.

Further, valve plate 11 is installed to 4 inner walls of cylinder, and the valve block is all installed to 11 top of valve plate and bottom outer wall.

Furthermore, an muffling cylinder 16 is installed on the inner wall of the exhaust pipe 6, through holes distributed at equal intervals are formed in the outer wall of the circumference of the muffling cylinder 16, and the through holes in the muffling cylinder 16 can absorb noise generated in the exhaust air of the exhaust pipe 6.

Further, the outer walls of two sides of the casing 1 are both provided with sealing covers 2, and the outer wall of one side of each sealing cover 2 is provided with a mesh shell 12.

Further, the spacing groove that the equidistance distributes is all seted up to mesh casing 12 both sides inner wall, and the inner wall sliding connection of spacing groove has spacing post 13, can conveniently dismantle spacing post 13 down from mesh casing 12, conveniently dismantles the clearance.

Furthermore, the same folding sound-absorbing plate 14 is arranged on the outer wall of one side, opposite to the two limiting columns 13, of the outer wall, and when the air flow rapidly flows and the sound generated during compression and the folding sound-absorbing plate 14 are in contact with each other, the sound-absorbing plate 10 rebounds to further absorb the sound, so that the external environment is improved.

The working principle is as follows: the double-shaft motor 7 is started to drive the fixed rod on the cam 8 to rotate, then the piston 10 on the piston bearing 9 is driven to move up and down, air enters the shell 1 through the air inlet groove 15, the air is compressed and enters the cylinder 4 through the valve plate 11 and the valve plate combination, when the double-shaft motor 7 rotates to drive the cam 8 to move, the air is compressed and then is compressed into the air chamber 5 through the valve plate 11 and the valve plate combination, the air can only go away in one direction, so that the processes of air suction, compression and exhaust are generated, the air inlet groove 15 is in a conical shape, the flow velocity of air flow entering the shell 1 is adjusted to realize preliminary noise reduction, the shell 1 is internally provided with the mesh shell 12, the limit column 13 and the folding silencing plate 14, when the air flow rapidly flows and the sound generated during the compression and the folding silencing plate 14 are contacted with each other, the folding silencing plate 14 rebounds, the effect of further amortization can be reached to external environment has been improved, because inside the air entered into air compressor through the below, can ventilate the heat that produces in the work of piston bearing 9 rotation, thereby cool down it, improved work life.

Claims

1. A low-noise air compressor is characterized in that: including casing (1), double-shaft motor (7) are installed to casing (1) bottom inner wall, and the output shaft circumference outer wall of double-shaft motor (7) installs cam (8), the dead lever is installed to cam (8) one side outer wall bottom, and dead lever circumference outer wall installs piston bearing (9), piston bearing (9) circumference outer wall has cup jointed piston (10), and casing (1) top outer wall both sides all install end cover (3), cylinder (4) are installed to end cover (3) top outer wall, air chamber (5) are installed to cylinder (4) top outer wall, and air chamber (5) top outer wall installs blast pipe (6), air inlet duct (15) have all been seted up to casing (1) bottom outer wall both sides, and air inlet duct (15) are the toper form, and air inlet duct (15) from little up internal diameter grow gradually.

2. A low noise air compressor as claimed in claim 1, wherein: valve plate (11) are installed to cylinder (4) inner wall, and valve block is all installed to valve plate (11) top and bottom outer wall.

3. A low noise air compressor as claimed in claim 1, wherein: the inner wall of the exhaust pipe (6) is provided with a silencing cylinder (16), and the circumferential outer wall of the silencing cylinder (16) is provided with through holes distributed at equal intervals.

4. A low noise air compressor as claimed in claim 1, wherein: the outer walls of two sides of the machine shell (1) are respectively provided with a sealing cover (2), and the outer wall of one side of each sealing cover (2) is provided with a mesh shell (12).

5. The low noise air compressor of claim 4, wherein: limiting grooves distributed at equal intervals are formed in the inner walls of the two sides of the mesh shell (12), and limiting columns (13) are connected to the inner walls of the limiting grooves in a sliding mode.

6. The low noise air compressor of claim 5, wherein: the outer wall of one side of the two limiting columns (13) opposite to each other is provided with the same folding sound-absorbing plate (14).