CN207879550U - A kind of muffler - Google Patents
A kind of muffler Download PDFInfo
- Publication number
- CN207879550U CN207879550U CN201721748681.5U CN201721748681U CN207879550U CN 207879550 U CN207879550 U CN 207879550U CN 201721748681 U CN201721748681 U CN 201721748681U CN 207879550 U CN207879550 U CN 207879550U
- Authority
- CN
- China
- Prior art keywords
- oil
- cavity
- pipe
- air inlet
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a kind of muffler,Including cavity,Acoustic element in cavity and air inlet and the gas outlet for being located at cavity both ends,Air inlet is equipped with air inlet pipe,Gas outlet is equipped with escape pipe,Air inlet pipe and an air outlet pipe is communicated with cavity,Cavity is installed relative to ground level,The exhaust end of air inlet pipe and compressor connects,So that the discontinuous high pressure gas of compressor discharge, which enters, reduces flow velocity in cavity and after acoustic element,To which escape pipe discharge is continuous gas,The complete machine oscillation caused by compression exhaust is discontinuous is reduced or eliminated,Noise,Muffler further includes the oil return pipe for the lubricating oil in cavity to be led to escape pipe,So that being accumulated in the lubricating oil of cavity bottom because cavity is installed relative to ground level and leading to escape pipe with air-flow,To which lubricating oil can return in compressor in time,The case where compressor is not in oil starvation.
Description
Technical field
The utility model is related to muffler technical fields.
Background technology
Muffler is used in refrigeration system, is located at the exhaust end of compressor, to reduce or eliminate compression exhaust discontinuously
Caused by complete machine oscillation, noise.Muffler relative to ground level installation is susceptible to long-pending oil phenomenon in the bottom of muffler,
Prevent lubricating oil causes compressor oil starvation to break down from returning in compressor in time.
Invention content
The purpose of this utility model is to provide a kind of muffler, the lubricating oil in muffler can return to compression in time
In machine, ensure the case where compressor is not in oil starvation.
In order to achieve the above object, the utility model adopts the following technical solution：A kind of muffler, including cavity, be set to
Acoustic element in cavity and air inlet and the gas outlet for being located at cavity both ends, air inlet are equipped with air inlet pipe, gas outlet
It is equipped with escape pipe, air inlet pipe and an air outlet pipe is communicated with cavity, and cavity is installed relative to ground level, and muffler further includes using
In the oil return pipe that the lubricating oil in cavity is led to escape pipe.
Further, the oil return pipe includes oil inlet and oil outlet, and oil inlet is located at the bottom of cavity, and oil outlet is located at
In escape pipe.
Further, the oil return pipe is set to the inside of cavity, and the tangent setting in lower face of oil inlet and cavity inner wall goes out
Hydraulic fluid port passes through gas outlet and in escape pipe.
Further, the pipe thickness at the oil inlet is less than the pipe thickness of oil outlet.
Further, the bottom of the cavity is equipped with oil outlet, and escape pipe is equipped with fuel feed hole, and oil return pipe is set to cavity
Outside, oil inlet pass through oil outlet and the bottom positioned at cavity, oil outlet to pass through fuel feed hole and in escape pipe.
Further, the oil return pipe with oil outlet, fuel feed hole by being welded to connect.
Further, the acoustic element includes several partition boards, and partition board is set between air inlet and gas outlet, is set on partition board
There is a through-hole, the axis of the axis of through-hole and the axis of air inlet, gas outlet is arranged in parallel, the through-hole on two neighboring partition board
Axial offset is arranged.
Further, the both ends of the cavity are respectively equipped with left end cap and right end cap, and air inlet and gas outlet are respectively arranged on
On left end cap and right end cap.
Further, the axis of the air inlet and the axis of gas outlet overlap setting.
Further, the internal diameter of the oil return pipe is D, 6mm≤D≤10mm.
After adopting the above technical scheme, the utility model has the following advantages that：
1, by the way that air inlet and gas outlet is arranged at the both ends of cavity, air inlet is equipped with air inlet pipe, and gas outlet is equipped with
The exhaust end of escape pipe, air inlet pipe and compressor connects so that the discontinuous high pressure gas of compressor discharge enters in cavity
And flow velocity is reduced after acoustic element, to which escape pipe discharge is continuous gas, it is reduced or eliminated because compression exhaust does not connect
Complete machine oscillation, noise caused by continuous；By the way that oil return pipe is arranged so that be accumulated in cavity because cavity is installed relative to ground level
The lubricating oil of bottom leads to escape pipe with air-flow, and to which lubricating oil can return in compressor in time, compressor will not
There is the case where oil starvation.
2, by being arranged oil inlet in the bottom of cavity, lubricating oil is facilitated to enter in oil return pipe, by setting oil outlet
It sets in escape pipe so that lubricating oil is entered by oil return pipe in escape pipe, and as air-flow is discharged together, returns to compressor
In, ensure the case where compressor is not in oil starvation.
3, by being arranged oil return pipe in the inside of cavity so that the structure of entire muffler is compacter, will not interfere
The tangent setting in lower face of the installation of other equipment, oil inlet and cavity inner wall, can farthest oil inlet so that in cavity
Oil can be returned in compressor by oil return pipe as much as possible, ensure the case where compressor is not in oil starvation, oil return pipe
Oil outlet passes through gas outlet and in escape pipe so that lubricating oil is entered by oil return pipe in escape pipe, ensures that lubricating oil can
To be discharged together with air-flow, returns in compressor, ensure the case where compressor is not in oil starvation.
4, it is less than the pipe thickness of oil outlet by the way that the pipe thickness at oil inlet is arranged, reduces oil inlet and cavity bottom
The difference in height in portion makes the lubricating oil in cavity that can enter in oil return pipe as much as possible, ensures that lubricating oil largely can
It returns in compressor so that the case where compressor is not in oil starvation.
5, by being arranged oil return pipe in the outside of cavity so that the installation of oil return pipe will not interfere the work of acoustic element,
So that the use of muffler is relatively reliable, oil outlet is set in the bottom of cavity, the oil inlet of oil return pipe passes through oil outlet and position
In the bottom of cavity so that the lubricating oil of cavity bottom can easily be entered by oil inlet in oil return pipe, by going out
Fuel feed hole is set on tracheae, and the oil outlet of oil return pipe passes through fuel feed hole and in escape pipe so that is entered back by oil inlet
Lubricating oil in oil pipe can be entered by oil outlet in escape pipe together with air-flow, then be returned in compressor from escape pipe,
Ensure the case where compressor is not in oil starvation.
6, oil return pipe and oil outlet, fuel feed hole process fairly simple convenience by being welded to connect, and make oil return pipe with
Cavity, the connection of escape pipe are reliable, ensure the reliability that oil return pipe uses.
7, by being arranged several partition boards between air inlet and gas outlet, the axis of the through-hole on two neighboring partition board
It shifts to install so that the discontinuous high pressure gas of compressor discharge reduces flow velocity after the through-hole of dislocation, reaches noise reduction
Effect.
8, by the way that left end cap and right end cap is respectively set at the both ends of cavity, air inlet and gas outlet are respectively arranged on left end cap
On right end cap so that cavity can be dismounted easily, partition board and oil return pipe it is easier for installation.
9, it being overlapped by the way that the axis of air inlet and the axis of gas outlet is arranged so that the droop loss of muffler is minimum, from
And reach best erasure effect.
10, the internal diameter D of oil return pipe is in the range of 6mm to 10mm so that the internal diameter of oil return pipe is not too large, and guarantee has foot
Enough pressure makes lubricating oil pass through oil return pipe to enter in compressor, and the internal diameter of oil return pipe will not be too small, ensures lubricating oil
Into the speed of compressor.As D ＜ 6mm, the internal diameter of oil return pipe is too small so that and the speed that lubricating oil enters compressor is slower,
As D ＞ 10mm, the internal diameter of oil return pipe is too big, and the pressure that air-flow generates cannot be such that lubricating oil enters in escape pipe with air-flow.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the sectional view of muffler described in the utility model embodiment one.
Fig. 2 is the sectional view of muffler described in the utility model embodiment two.
Fig. 3 is the sectional view of muffler described in the utility model embodiment three.
Marked the names of the parts are as follows in figure：
1, cavity；2, partition board；21, through-hole；3, left end cap；31, air inlet；4, right end cap；41, gas outlet；5, air inlet pipe；
6, escape pipe；7, oil return pipe；71, oil inlet；72, oil outlet.
Specific implementation mode
Embodiment one：
As shown in Figure 1, the utility model provides a kind of muffler, including cavity 1, the acoustic element in cavity 1 and
It is located at air inlet 31 and the gas outlet 41 at 1 both ends of cavity, air inlet 31 is equipped with air inlet pipe 5, and gas outlet 41 is equipped with out
Tracheae 6, air inlet pipe 5 and escape pipe 6 are communicated with cavity 1, and cavity 1 is installed relative to ground level, air inlet pipe 5 and compressor
Exhaust end connects so that and the discontinuous high pressure gas of compressor discharge, which enters, reduces flow velocity in cavity 1 and after acoustic element,
To which the discharge of escape pipe 6 is continuous gas, complete machine oscillation, noise caused by compression exhaust is discontinuous is reduced or eliminated；
Muffler further includes the oil return pipe 7 for the lubricating oil in cavity 1 to be led to escape pipe 6, by the way that oil return pipe 7 is arranged so that because
The lubricating oil that cavity 1 is installed relative to ground level and is accumulated in 1 bottom of cavity leads to escape pipe 6 with air-flow, to moisten
The case where lubricating oil can return in compressor in time, and compressor is not in oil starvation.
In the present embodiment, oil return pipe 7 includes oil inlet 71 and oil outlet 72, and oil inlet 71 is located at the bottom of cavity 1, convenient
The lubricating oil of 1 bottom of cavity enters in oil return pipe 7, and oil outlet 72 is located in escape pipe 6 so that lubricating oil by oil return pipe 7 into
Enter in escape pipe 6, and as air-flow is discharged together, returns in compressor, ensure the case where compressor is not in oil starvation.
Oil return pipe 7 is set to the inside of cavity 1 so that the structure of entire muffler is compacter, will not interfere other equipment
Installation, the tangent setting in lower face of oil inlet 71 and 1 inner wall of cavity can farthest oil inlet so that the oil in cavity 1
It can be returned in compressor by oil return pipe 7 as much as possible, ensure that the case where compressor is not in oil starvation, oil outlet 72 pass through
Gas outlet 41 and in the escape pipe 6 so that lubricating oil is entered by oil return pipe 7 in escape pipe 6, ensures that lubricating oil can be with
Air-flow is discharged together, returns in compressor, ensures the case where compressor is not in oil starvation.
Acoustic element includes several partition boards 2, and partition board 2 is set between air inlet 31 and gas outlet 41, and partition board 2 is equipped with through-hole
21, the axis of through-hole 21 and the axis of the axis of air inlet 31, gas outlet 41 are arranged in parallel, logical on two neighboring partition board 2
The axial offset in hole 21 is arranged so that the discontinuous high pressure gas of compressor discharge reduces stream after the through-hole 21 by dislocation
Speed achievees the effect that noise reduction.Partition board 2 is provided with 3, and the uniformly interval setting of three partition boards 2 in the present embodiment, reaches noise reduction
Effect.
The both ends of cavity 1 are respectively equipped with left end cap 3 and right end cap 4, and air inlet 31 and gas outlet 41 are respectively arranged on left end cap 3
On right end cap 4 so that cavity 1 can be dismounted easily, partition board 2 and oil return pipe 7 it is easier for installation.
The axis of air inlet 31 and the axis of gas outlet 41 overlap setting so that and the droop loss of muffler is minimum, to
Reach best erasure effect.
The internal diameter of oil return pipe 7 is D, 6mm≤D≤10mm so that the internal diameter of oil return pipe 7 is not too large, and guarantee has enough
Pressure makes lubricating oil pass through oil return pipe 7 to enter in compressor, and the internal diameter of oil return pipe 7 will not be too small, ensure lubricating oil into
Enter the speed of compressor.In the present embodiment, D takes 6.35mm so that lubricating oil can be rapidly introduced into escape pipe 6.
It should be understood that partition board 2 can also be provided with 2,4,5,6,7,8,9,10 etc..
It should be understood that air inlet 31 and gas outlet 41 can also be set to the both ends of cavity 1.
It should be understood that D can also take 6mm, 7mm, 8mm, 9mm, 10mm etc..
Embodiment two：
As shown in Fig. 2, the present embodiment and the main distinction of embodiment one are that the pipe thickness at oil inlet 71 is less than
Pipe thickness at hydraulic fluid port 72.
Pipe thickness at oil inlet 71 is less than the pipe thickness at oil outlet 72, and setting is advantageous in that in this way, can be subtracted
The difference in height of small oil inlet 71 and 1 bottom of cavity makes the lubricating oil in cavity 1 that can enter in oil return pipe 7 as much as possible, protects
Card lubricating oil can largely return in compressor so that the case where compressor is not in oil starvation.
Embodiment three：
As shown in figure 3, the present embodiment and the main distinction of embodiment one are that oil return pipe 7 is arranged in the outside of cavity 1.
Oil return pipe 7 is set to the outside of cavity 1, and the bottom of cavity 1 is equipped with oil outlet, and escape pipe 6 is equipped with fuel feed hole, oil inlet
Mouth 71 passes through oil outlet and the bottom positioned at cavity 1, oil outlet 72 to pass through fuel feed hole and in escape pipe 6, be arranged in this way
It is advantageous in that, by being arranged oil return pipe 7 in the outside of cavity 1 so that the installation of oil return pipe 7 will not interfere the work of acoustic element
Make so that the use of muffler is relatively reliable, oil outlet is arranged in the bottom of cavity 1, the oil inlet 71 of oil return pipe 7 is across fuel-displaced
Hole and the bottom for being located at cavity 1 so that the lubricating oil of 1 bottom of cavity easily can enter oil return pipe 7 by oil inlet 71
Interior, by the way that fuel feed hole is arranged on escape pipe 6, the oil outlet 72 of oil return pipe 7 passes through fuel feed hole and in escape pipe 6 so that
Enter the lubricating oil in oil return pipe 7 by oil inlet 71 with air-flow together to enter in escape pipe 6 by oil outlet 72, then
It is returned in compressor from escape pipe 6, ensures the case where compressor is not in oil starvation.
Oil return pipe 7 and oil outlet, fuel feed hole process fairly simple convenience by being welded to connect, and make oil return pipe 7 with
Cavity 1, the connection of escape pipe 6 are reliable, ensure the reliability that oil return pipe 7 uses.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range defined in appended claims.
Claims (10)
1. a kind of muffler, including cavity, the acoustic element in cavity and it is located at the air inlet at cavity both ends and goes out
Gas port, air inlet are equipped with air inlet pipe, and gas outlet is equipped with escape pipe, and air inlet pipe and an air outlet pipe is communicated with cavity, cavity phase
Ground level is installed, which is characterized in that the muffler further includes for the lubricating oil in cavity to be led to escape pipe
Oil return pipe.
2. muffler according to claim 1, which is characterized in that the oil return pipe includes oil inlet and oil outlet, oil inlet
Positioned at the bottom of cavity, oil outlet is located in escape pipe.
3. muffler according to claim 2, which is characterized in that the oil return pipe is set to the inside of cavity, oil inlet and chamber
The tangent setting in lower face of internal wall, oil outlet pass through gas outlet and in escape pipes.
4. muffler according to claim 3, which is characterized in that the pipe thickness at the oil inlet is less than oil outlet
Pipe thickness.
5. muffler according to claim 2, which is characterized in that the bottom of the cavity is equipped with oil outlet, is set on escape pipe
There are fuel feed hole, oil return pipe to be set to the outside of cavity, oil inlet passes through oil outlet and the bottom positioned at cavity, oil outlet to pass through oil inlet
Hole and in the escape pipe.
6. muffler according to claim 5, which is characterized in that the oil return pipe passes through welding with oil outlet, fuel feed hole
Connection.
7. muffler according to claim 1, which is characterized in that the acoustic element includes several partition boards, partition board be set into
Between gas port and gas outlet, partition board is equipped with through-hole, the axis of through-hole with the axis of the axis of air inlet, gas outlet is parallel sets
It sets, the axial offset setting of the through-hole on two neighboring partition board.
8. muffler according to claim 1, which is characterized in that the both ends of the cavity are respectively equipped with left end cap and right end
Lid, air inlet and gas outlet are respectively arranged on left end cap and right end cap.
9. muffler according to claim 1, which is characterized in that the axis of the air inlet and the axis coincidence of gas outlet are set
It sets.
10. muffler according to claim 1, which is characterized in that the internal diameter of the oil return pipe is D, 6mm≤D≤10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748681.5U CN207879550U (en) | 2017-12-14 | 2017-12-14 | A kind of muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748681.5U CN207879550U (en) | 2017-12-14 | 2017-12-14 | A kind of muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879550U true CN207879550U (en) | 2018-09-18 |
Family
ID=63502513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721748681.5U Active CN207879550U (en) | 2017-12-14 | 2017-12-14 | A kind of muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879550U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044114A (en) * | 2019-05-28 | 2019-07-23 | 长虹美菱股份有限公司 | A kind of super-silent direct-cooled full refrigerating box |
| CN110500261A (en) * | 2019-07-26 | 2019-11-26 | 郑州精益达环保科技有限公司 | A kind of hydrogen fuel cell system exhaust silencer |
| CN110578671A (en) * | 2019-09-23 | 2019-12-17 | 云南玉溪玉昆钢铁集团有限公司 | High-voltage sound-deadening box |
| CN111043009A (en) * | 2019-11-27 | 2020-04-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor assembly, refrigerator and control method |
| CN111472958A (en) * | 2020-03-16 | 2020-07-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
-
2017
- 2017-12-14 CN CN201721748681.5U patent/CN207879550U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044114A (en) * | 2019-05-28 | 2019-07-23 | 长虹美菱股份有限公司 | A kind of super-silent direct-cooled full refrigerating box |
| CN110500261A (en) * | 2019-07-26 | 2019-11-26 | 郑州精益达环保科技有限公司 | A kind of hydrogen fuel cell system exhaust silencer |
| CN110578671A (en) * | 2019-09-23 | 2019-12-17 | 云南玉溪玉昆钢铁集团有限公司 | High-voltage sound-deadening box |
| CN111043009A (en) * | 2019-11-27 | 2020-04-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor assembly, refrigerator and control method |
| CN111472958A (en) * | 2020-03-16 | 2020-07-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
| CN111472958B (en) * | 2020-03-16 | 2021-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207879550U (en) | A kind of muffler | |
| CN101559408B (en) | Lubricating liquid separator | |
| CN109469599B (en) | Air suction silencer and compressor | |
| CN208255803U (en) | A kind of high-availability computer radiator | |
| CN104074586A (en) | Automotive water accumulation preventing exhaust pipe | |
| CN204246881U (en) | Oil water separator | |
| CN107956699B (en) | Compressor exhaust structure and compressor | |
| CN205373180U (en) | Low pressure chamber rotor type compressor and air conditioner | |
| CN106225323B (en) | Refrigerating unit and oil return device thereof | |
| CN208097671U (en) | A kind of heat exchange type separating system for water | |
| CN102562597B (en) | Liquid impact prevention device for liquid injection cooling type single screw compressor | |
| CN207131573U (en) | Oil-gas separation device and screw compressor | |
| CN215742496U (en) | Vacuum pump oil gas bucket | |
| CN204202262U (en) | Three grades of separate type high efficient horizontals divide oily device | |
| CN101956691B (en) | Silencer of refrigeration compressor | |
| CN110714837B (en) | Turbojet engine lubricating oil system | |
| CN108999678A (en) | A kind of combined type anti-explosion diesel engine emission-control equipment | |
| CN107044319A (en) | The preposition waste gas treating water tank of crimped ribbon arrester | |
| CN207945021U (en) | A kind of backgear room with gas oil separation structure | |
| CN104454545B (en) | A kind of compressor fuel injector with air suction function | |
| CN208059357U (en) | A kind of precipitating type high-pressure reservoir | |
| CN206989516U (en) | A kind of positioner for the welding of air conditioning liquid reservoir screen cloth | |
| CN206860260U (en) | The preposition waste gas treating water tank of crimped ribbon arrester | |
| CN210569397U (en) | Knockout reaches compressor including this knockout | |
| CN216157737U (en) | Suction filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |