CN215762146U

CN215762146U - Cylinder cover of air compressor

Info

Publication number: CN215762146U
Application number: CN202122081744.9U
Authority: CN
Inventors: 杨晶
Original assignee: Tianjin Linkstrong Technology Development Co ltd
Current assignee: Tianjin Linkstrong Technology Development Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-08
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of compressors, in particular to a cylinder cover of an air compressor, aiming at the problem that the air flow in the prior air compressor enters a cylinder cover air chamber and then flows out of the compressor through a pipeline communicated with the outside through the air chamber, and the middle path is short, so that the air flow in the air chamber has large noise, the utility model provides the following scheme, which comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a lower cover, the inside of the lower cover is fixedly connected with an inclined plate, the top of the lower cover is provided with an upper cover, the outer walls of the upper cover and the lower cover are both provided with annular grooves, the outer walls of the upper cover and the lower cover are both fixedly connected with annular blocks, the outer wall of the lower cover is fixedly communicated with an air outlet pipe, and the outer wall of the upper cover is provided with a noise elimination mechanism, the air flow in the air compressor enters the cylinder cover air chamber, the middle path is enlarged, so that the sound energy is greatly lost, reducing the air flow noise in the air chamber.

Description

Cylinder cover of air compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a cylinder cover of an air compressor.

Background

The air compressor is a device for compressing gas, and is similar to a water pump in structure, most of the air compressors are of a reciprocating piston type, rotating blades or rotating screws, the air compressors are powered by compressed gas, mechanical and pneumatic tools, control instruments, automation devices and the like, the compressed gas is used for refrigeration and gas separation, the gas is liquefied through compression, cooling and expansion and is used for artificial refrigeration, and the gas conveying compressor is also used for pipeline conveying, bottling and the like of the gas.

In the prior art, airflow in an air compressor enters an air chamber of a cylinder cover and then flows out of the compressor through a pipeline communicated with the outside through the air chamber, and the short middle path causes small sound energy loss, so that the airflow in the air chamber has high noise, and therefore, the cylinder cover of the air compressor is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that airflow in an air compressor enters an air chamber of a cylinder cover and then flows out of the compressor through a pipeline communicated with the outside through the air chamber, and the middle path is short, so that the acoustic energy loss is small, and the airflow in the air chamber has high noise.

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

the utility model provides an air compressor's cylinder cap, includes the mounting panel, the top fixedly connected with lower cover of mounting panel, the inside fixedly connected with swash plate of lower cover, the top of lower cover is equipped with the upper cover, the ring channel has all been seted up to the outer wall of upper cover and lower cover, the equal fixedly connected with annular piece of outer wall of upper cover and lower cover, the outer wall of lower cover is fixed to be intercommunicated has the outlet duct, the outer wall of upper cover is equipped with noise elimination mechanism.

Preferably, the silencing mechanism comprises a silencing pipe, the outer wall of the upper cover is fixedly connected with an air inlet pipe, the outer walls of the air outlet pipe and the air inlet pipe are fixedly sleeved with a one-way valve, one ends of the air outlet pipe and the air inlet pipe are fixedly connected with a connecting sleeve, the other ends of the air outlet pipe and the air inlet pipe are in threaded connection with an assembly pipe, one end of the assembly pipe is fixedly communicated with the silencing pipe, and the distance of air flow flowing out is increased by arranging the silencing pipe.

Preferably, the outer walls of the upper cover and the lower cover are fixedly connected with two sealing plates, and the outer walls of the two sealing plates are provided with two assembling holes.

Preferably, the outer wall of the annular block is in sliding connection with the inner wall of the annular groove, and the inner wall of the assembly hole is in threaded connection with a bolt.

Preferably, the top of upper cover is seted up the cavity, and the inside even fixedly connected with a plurality of heating panels of cavity dispels the heat to the upper cover through setting up the heating panel.

Preferably, the outer wall of the silencing pipe is fixedly connected with the inclined plate, and the silencing pipe is supported by the inclined plate.

Preferably, the outer walls of the upper cover and the lower cover are provided with through holes, and the through holes are communicated with the air inlet pipe and the air outlet pipe respectively.

Compared with the prior art, the utility model has the advantages that:

(1) this scheme passes the through-hole of upper cover with the hush pipe, laminates upper cover and lower cover through ring channel and annular piece, prevents to form the gap between upper cover and the lower cover, sets up that noise reduction mechanism makes air compressor's air current get into in intake pipe and the assembly pipe, increases the distance that the air current flows under the U type structure of hush pipe, and the air current passes through outlet duct and adapter sleeve and discharges.

(2) The air flow in the air compressor enters the air chamber of the cylinder cover, and the middle path is enlarged, so that the sound energy is greatly lost, and the air flow noise in the air chamber is reduced.

Drawings

FIG. 1 is a schematic cross-sectional view of a cylinder head of an air compressor according to the present invention;

FIG. 2 is a schematic perspective view of a cylinder head of an air compressor according to the present invention;

FIG. 3 is an enlarged schematic view of a portion A of a cylinder head of an air compressor according to the present invention;

fig. 4 is a schematic structural diagram of an assembly pipe and a silencing pipe of a cylinder cover of an air compressor according to the present invention.

In the figure: 1. mounting a plate; 2. a lower cover; 3. a sloping plate; 4. an upper cover; 5. an annular groove; 6. a ring block; 7. a sealing plate; 8. an assembly hole; 9. a heat dissipation plate; 10. an air outlet pipe; 11. an air inlet pipe; 12. assembling a pipe; 13. a one-way valve; 14. connecting sleeves; 15. a silencing tube.

Detailed Description

As shown in fig. 1, 2 and 3, the cylinder cover of an air compressor comprises a mounting plate 1, a lower cover 2 is fixedly connected to the top of the mounting plate 1, an inclined plate 3 is fixedly connected to the inside of the lower cover 2, the inclined plate 3 supports a sound-absorbing pipe 15, an upper cover 4 is arranged on the top of the lower cover 2, a cavity is formed in the top of the upper cover 4, a plurality of heat-absorbing plates 9 are uniformly and fixedly connected to the inside of the cavity, annular grooves 5 are formed in the outer walls of the upper cover 4 and the lower cover 2, annular blocks 6 are fixedly connected to the outer walls of the upper cover 4 and the lower cover 2, the annular blocks 6 increase the sealing performance between the upper cover 4 and the lower cover 2, two sealing plates 7 are fixedly connected to the outer walls of the upper cover 4 and the lower cover 2, two assembly holes 8 are formed in the outer walls of the two sealing plates 7, the outer walls of the annular blocks 6 are slidably connected to the inner walls of the annular grooves 5, and bolts are threadedly connected to the inner walls of the assembly holes 8, the outer wall of the lower cover 2 is fixedly communicated with an air outlet pipe 10, and the outer wall of the upper cover 4 is provided with a noise elimination mechanism.

By figure 1, as shown in figures 2 and 4, the silencing mechanism comprises a silencing pipe 15, an air inlet pipe 11 is fixedly connected to the outer wall of the upper cover 4, a check valve 13 is fixedly sleeved on the outer wall of each of the air outlet pipe 10 and the air inlet pipe 11, the check valve 13 controls the outflow and inflow of air flow in the air outlet pipe 10 and the air inlet pipe 11, a connecting sleeve 14 is fixedly connected to one end of each of the air outlet pipe 10 and the air inlet pipe 11, through holes are formed in the outer wall of the upper cover 4 and the outer wall of the lower cover 2, the through holes are communicated with the air inlet pipe 11 and the air outlet pipe 10 respectively, an assembling pipe 12 is connected to the other end of each of the air outlet pipe 10 and the air inlet pipe 11 through threads, the silencing pipe 15 is fixedly communicated with one end of the assembling pipe 12, and the outer wall of the silencing pipe 15 is fixedly connected with the inclined plate 3.

The working principle is as follows: the silencing pipe 15 is installed on the air outlet pipe 10 through the assembling pipe 12, meanwhile, the silencing pipe 15 penetrates through a through hole of the upper cover 4, the upper cover 4 and the lower cover 2 are attached to the annular block 6 through the annular groove 5, a gap is prevented from being formed between the upper cover 4 and the lower cover 2, the upper cover 4 and the lower cover 2 are fixed in position through the assembling hole 8 and the sealing plate 7 by bolts, the one-way valve 13 is opened, airflow of the air compressor enters the air inlet pipe 11 and the assembling pipe 12, the airflow outflow path is increased under the U-shaped structure of the silencing pipe 15, accordingly, acoustic energy is greatly lost, and in the inclined state of the silencing pipe 15, the inclined plate 3 supports the silencing pipe, the path is expanded, and the airflow is discharged through the air outlet pipe 10 and the connecting sleeve 14.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides an air compressor's cylinder cap, includes mounting panel (1), its characterized in that, top fixedly connected with lower cover (2) of mounting panel (1), the inside fixedly connected with swash plate (3) of lower cover (2), the top of lower cover (2) is equipped with upper cover (4), ring channel (5) have all been seted up with the outer wall of lower cover (2) to upper cover (4), the equal fixedly connected with annular block (6) of outer wall of upper cover (4) and lower cover (2), the outer wall fixed intercommunication of lower cover (2) has outlet duct (10), the outer wall of upper cover (4) is equipped with noise elimination mechanism.

2. The cylinder cover of the air compressor as claimed in claim 1, wherein the noise elimination mechanism comprises a noise elimination pipe (15), an air inlet pipe (11) is fixedly connected to the outer wall of the upper cover (4), a one-way valve (13) is fixedly sleeved on the outer walls of the air outlet pipe (10) and the air inlet pipe (11), a connecting sleeve (14) is fixedly connected to one end of the air outlet pipe (10) and one end of the air inlet pipe (11), an assembly pipe (12) is connected to the other end of the air outlet pipe (10) and the other end of the air inlet pipe (11) in a threaded manner, and the noise elimination pipe (15) is fixedly communicated with one end of the assembly pipe (12).

3. The cylinder cover of the air compressor as claimed in claim 1, wherein two sealing plates (7) are fixedly connected to the outer walls of the upper cover (4) and the lower cover (2), and two assembly holes (8) are formed in the outer walls of the two sealing plates (7).

4. The cylinder head of an air compressor according to claim 3, characterized in that the outer wall of the annular block (6) is slidably connected with the inner wall of the annular groove (5), and the inner wall of the assembly hole (8) is screwed with a bolt.

5. The cylinder cover of the air compressor as claimed in claim 1, wherein a cavity is formed at the top of the upper cover (4), and a plurality of heat dissipation plates (9) are uniformly and fixedly connected inside the cavity.

6. The cylinder cover of an air compressor according to claim 2, wherein the outer wall of the muffler pipe (15) is fixedly connected with the swash plate (3).

7. The cylinder cover of the air compressor as claimed in claim 2, wherein the outer walls of the upper cover (4) and the lower cover (2) are provided with through holes, and the through holes are respectively communicated with the air inlet pipe (11) and the air outlet pipe (10).