CN110318985A - Silencer and compressor - Google Patents
Silencer and compressor Download PDFInfo
- Publication number
- CN110318985A CN110318985A CN201910659938.7A CN201910659938A CN110318985A CN 110318985 A CN110318985 A CN 110318985A CN 201910659938 A CN201910659938 A CN 201910659938A CN 110318985 A CN110318985 A CN 110318985A
- Authority
- CN
- China
- Prior art keywords
- circular arc
- wall
- arc wall
- muffler
- axle journal
- 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.)
- Pending
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 230000030279 gene silencing Effects 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to a silencer and a compressor, belonging to the technical field of refrigeration, wherein the silencer comprises a silencing wall and a ring plate, the ring plate is arranged on the silencing wall, a plurality of connecting holes for connecting with a flange are arranged on the ring plate, and a central hole for inserting a flange shaft neck is also arranged on the silencing wall; the pore wall of centre bore comprises first arc wall and second arc wall at least, the radius of first arc wall is the same with the axle journal radius and the centre of a circle of this first arc wall is located the axis of axle journal, the second arc wall is turned over towards one side of being close to the crown plate and is formed the hem, exhaust clearance has between hem and the axle journal, adjustable exhaust clearance when the muffler of this structure uses and the distance between the gas vent of flange, so its through frequency can change, and can realize accurate installation, above-mentioned compressor adopts above-mentioned muffler, so can adjust through frequency according to the use scene needs when this compressor uses, it is better to fall the effect of making an uproar.
Description
Technical field
The invention belongs to Compressor Technology field, in particular to a kind of muffler and compressor.
Background technique
In order to reduce compressor air-discharging noise, a muffler usually will be installed in its flange exhaust ports.Traditional noise reduction
Device is simple expanding covering plate structure, opens several exhaust clearances in the upper end of cover board, and gas is discharged from upper flange exhaust outlet,
Into muffler, then from the exhaust clearance discharge on muffler, form a single chamber expanding muffler, this kind of muffler disappears
Volume curve is sine curve, there is many frequency noises for passing through frequency, should referring to that sound-damping qualities were zero by frequency, noise reduction
Effect is poor.
Have centre bore all towards the muffler of silencing cavity in-flanges in the prior art, in use, during flange axle journal is inserted in
Inside the ring that heart hole and in-flanges surround, the gap between axle journal and centre bore peritreme and in-flanges constitutes the muffler
Exhaust clearance, to form the expanding muffler with single interpolation pipe.This kind of muffler is disappeared by frequency compared to tradition
Sound device is obviously less, so its erasure effect is more preferable.
But due to the annular gap that the exhaust clearance of muffler in the prior art is a whole circle, so between its exhaust
The distance between gap and flange exhaust outlet are certain value, this fixes the sound deadening capacity curve of the muffler, compared to biography
System muffler, can only eliminate the specific noise by frequency, can not be adjusted as needed, for example this kind of muffler can disappear
Except the noise of A frequency range, but usage scenario needs to eliminate the noise of B frequency range, this kind of muffler is then unable to meet demand, so its
Using being subject to certain restrictions.
In addition, due to the actual exhaust air hole that above-mentioned annular gap is muffler, so needed when the muffler is installed accurate
Positioning, however, when actual installation, it will usually which there are certain bias, cause flange axle journal that can not be interspersed in annular gap
Center will cause performance muffler to fluctuate, influence using effect in this way.
Summary of the invention
The present invention provides a kind of muffler, can not adjust its use as needed for solving muffler in the prior art
When eliminate by frequency and conventional muffler be not easy precisely install cause performance to be stirred the technical issues of.
The present invention is achieved through the following technical solutions: a kind of muffler, including silencer wall and ring flat-plate, and the ring flat-plate is set to institute
It states on silencer wall and the ring flat-plate is equipped with multiple connecting holes for flanged joint, the silencer wall is equipped with interspersed flange shaft
The centre bore of neck；
The hole wall of the centre bore is at least made of the first circular arc wall and the second circular arc wall, the radius of first circular arc wall
The center of circle identical and first circular arc wall as the axle journal radius is located on the central axes of the axle journal, second circular arc wall court
Side close to the ring flat-plate turns down to form flanging, has exhaust clearance between the flanging and the axle journal.
Further, in order to preferably realize the present invention, the center of circle of second circular arc wall is relative in the axle journal
Eccentric axis and the side for being located remotely from first circular arc wall.
Further, in order to preferably realize the present invention, first circular arc wall is major arc.
Further, in order to which the present invention is better achieved, the flange has exhaust outlet, and the area of the exhaust clearance is
0.5 times to 2 times of the exhaust port area.
Further, in order to which the present invention is better achieved, the area of the exhaust clearance is equal to the exhaust port area.
Further, in order to which the present invention is better achieved, the height of the flanging is less than the height of the muffler.
Further, in order to which the present invention is better achieved, the height of the flanging is equal to the half of the muffler height
Or a quarter.
Further, in order to which the present invention is better achieved, first circular arc wall is turned down towards the side close to the ring flat-plate
In-flanges is formed, the height of the in-flanges is less than the height of the flanging.
Further, in order to the present invention, the position that first circular arc wall connects with second circular arc wall is better achieved
It sets towards the side close to the ring flat-plate and turns down to form sealing edge, the sealing edge connects with the flanging.
The present invention also provides a kind of compressor, which includes cylinder, the flange being installed on cylinder and above-mentioned disappears
Sound device, the axle journal of the flange is plugged in the centre bore and first circular arc wall is affixed with the axle journal outer wall, described
Exhaust clearance is formed between second circular arc wall and the axle journal outer wall.
The present invention has the advantages that compared to the prior art
(1) muffler provided by the invention, is equipped with connecting hole on ring flat-plate and the ring flat-plate is arranged on silencer wall, silencer wall
Be equipped with centre bore, in use, the axle journal of flange pass through centre bore, and the quantity of above-mentioned connecting hole be it is multiple, with on flange
Blind hole it is corresponding, the hole wall of above-mentioned centre bore is at least made of the first circular arc wall and the second circular arc wall, the radius of the first circular arc wall
Identical as the radius of flange axle journal and after installing, the center of circle of first circular arc wall is located on the central axes of above-mentioned flange axle journal,
Above-mentioned second circular arc wall turns down to form flanging towards the side close to ring flat-plate, forms exhaust clearance between the flanging and axle journal outer wall,
Using the structure, since still there is flanging at exhaust clearance, so the muffler can equally disappear compared to common muffler
Except part is by frequency, better erasure effect is played, but since exhaust clearance is not around axle journal setting, but only account for whole
Round partial sector, and since the quantity of connecting hole is multiple, in this way, the present invention can be rotated when installation, to change row
Gas gap compared to flange position because the vent position on flange is fixed, so by above-mentioned exhaust clearance position
Change, the distance between exhaust clearance and flange exhaust outlet can be changed, to change of the invention by frequency, and then makes
It is of the invention can according to need its noise frequency that can eliminate of adjustment, practicability is higher, and due to the first circular arc wall and
Flange axle journal is concentric and radius is identical, and when installation, the first circular arc wall will be affixed to determine the present invention with flange axle journal
Position and limit, between this, the present invention can only be rotated compared to flange axle journal, and laterally offset cannot occur, so that above-mentioned
Exhaust clearance size is fixed, stability when just the enhancing present invention uses in this way, and is conducive to precisely installation；
(2) compressor provided by the invention, due to using above-mentioned muffler, so its using when can be according to using field
Scape needs to adjust through frequency, and noise reduction effect is more preferable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the muffler in embodiment 1；
Fig. 2 is the cross-sectional view of structure shown in Fig. 1；
Fig. 3 is the use of structure shown in Fig. 1 with reference to figure；
Fig. 4 is the cross-sectional view of structure shown in Fig. 3；
Fig. 5 is use when structure shown in Fig. 1 is rotated by 90 ° counterclockwise with reference to figure；
Fig. 6 is use when structure shown in Fig. 1 rotates 180 ° counterclockwise with reference to figure；
Fig. 7 is the structural schematic diagram of the muffler in embodiment 3；
Fig. 8 is the cross-sectional view of structure shown in Fig. 7；
Fig. 9 is the structural schematic diagram of the muffler in embodiment 4.
In figure:
1- silencer wall；11- centre bore；The first circular arc wall of 111-；The second circular arc wall of 112-；
2- ring flat-plate；21- connecting hole；
3- flanging；
4- exhaust clearance；
5- exhaust outlet；
6- in-flanges；
7- flange；
8- sealing edge.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1:
The present embodiment provides a kind of muffler, which includes silencer wall 1 and ring flat-plate 2, which is annular plate-like knot
Structure, and the ring flat-plate 2 is equipped with multiple connecting holes 21, preferably, multiple connecting holes 21 are evenly arranged on ring flat-plate 2, connecting hole
21 with flange 7 for being connected, and for multiple connecting holes 21 just with multiple blind hole faces on flange 7, which is more than one
The trench structure of side shape and the silencer wall 1 and 1 one side opening of silencer wall, and ring flat-plate 2 is then set on silencer wall 1, it specifically, should
The outer wall that the internal ring wall of ring flat-plate 2 is open with silencer wall 1 is closely affixed, and most preferably, the ring flat-plate 2 and silencer wall 1 are integrally formed.It is worth
It is noted that flange 7 described at this is the flange being mounted at compresser cylinder.
It is additionally provided with centre bore 11 on the silencer wall 1, with the axle journal for interting flange 7.Unlike the prior art, originally
The centre bore 11 invented on the muffler provided is at least made of the first circular arc wall 111 and the second circular arc wall 112, most preferably by the
One circular arc wall 111 and the second circular arc wall 112 dock composition, the radius phase of the radius and 7 axle journal of flange of the first circular arc wall 111 from beginning to end
Together, and the center of circle of first circular arc wall 111 is located on the central axes of axle journal, and the second circular arc wall 112 is then towards close to ring flat-plate
Side turns down to form flanging 3, has gap between the flanging 3 and axle journal, this gap is exhaust clearance 4 of the invention.Most preferably
Ground, above-mentioned flanging 3 are that vertically fold is formed the second circular arc wall 112.
Using the above structure, when the present invention installs, the first circular arc wall 111 will be closely affixed with axle journal outer wall, thus to this
Invention is aligned and is limited, so that invention can only be rotated compared to 7 axle journal of flange, and laterally offset cannot occur,
So that above-mentioned 4 size of exhaust clearance is fixed, stability when just the enhancing present invention uses in this way, and it is conducive to precisely installation.More
Importantly, due to the quantity of connecting hole 21 be it is multiple and corresponding with the blind hole on 7 axle journal of flange, in this way, the present invention is installing
When can be pivoted about with axle journal central axes, to change position of the exhaust clearance 4 compared to flange 7 because
5 position of exhaust outlet on flange 7 is fixed, so exhaust clearance 4 can be changed by the change of above-mentioned 4 position of exhaust clearance
The distance between 7 exhaust outlet 5 of flange, thus change the present invention eliminate by frequency so that the present invention can basis
Need to adjust its noise frequency that can be eliminated, practicability is higher.
As the specific embodiment of the present embodiment, the center of circle of 112 wall of the second circular arc in the present embodiment is relative to axle journal
Central axes it is eccentric and be located remotely from the side of the first circular arc wall 111, in this way, being formed between the second circular arc wall 112 and axle journal
4 shape of exhaust clearance be meniscus shape.
As the preferred forms of the present embodiment, the first circular arc wall 111 in the present embodiment is major arc wall, in this way, working as
When the present invention is mounted on flange 7, the first circular arc wall 111 can be not only close to axle journal outer wall, but also the first circular arc wall 111 is also
Axle journal can be held, so that installation of the invention is more firm.In such cases, above-mentioned second circular arc wall 112 can be major arc,
It is also possible to minor arc, and the shape of second circular arc wall 112 is also possible to curved wall or right angle walls, as long as being able to satisfy
First circular arc wall 111 and axle journal be closely affixed and wrapped and between the second circular arc wall 112 and axle journal outer wall formed row
Gas gap 4.
As the more excellent embodiment of the present embodiment, in the present embodiment, the area of above-mentioned exhaust clearance 4 is 5 face of exhaust outlet
Long-pending 0.5 times to 2 times.The more preferable embodiment of the present embodiment is that the area of exhaust clearance 4 is become above-mentioned 5 face of exhaust outlet
Long-pending 0.8 times to 1.2 times.And the preferred forms as the present embodiment, 4 area of exhaust clearance in the present embodiment with it is above-mentioned
5 area equation of exhaust outlet.
Embodiment 2:
3 height of flanging of more excellent embodiment of the present embodiment as above-described embodiment, the present embodiment is less than entire noise reduction
The height of device, most preferably, the height of the flanging 3 are equal to the half or a quarter of muffler height.
When muffler height is the integral multiple of half wavelength, muffler sound deadening capacity is equal to zero, and 3 height of flanging is to disappear
When the half of sound device height, can eliminate the odd-multiple of 1/2 wavelength passes through frequency；As four that 3 height of flanging is muffler height
When/mono-, can eliminate the even-multiple of 1/2 wavelength by frequency, achieve the effect that improve frequency of noise elimination characteristic.
In addition, above-mentioned flanging 3 with a thickness of 0.5-3mm, more preferably, 3 thickness of flanging is made as 1mm, most preferably, will be rolled over
3 thickness of side is made to be of uniform thickness with 1 wall thickness of silencer wall.
Embodiment 3:
The present embodiment is further improved on the basis of the above embodiments, in the present embodiment, by above-mentioned first circular arc wall
111 also turn down towards the side close to ring flat-plate and form in-flanges 6.Muffler and centre bore 11 thereon are usually punch forming,
And during punching press, if the partial sector flange of centre bore 11 and another part section is without turn-ups, this is just very easy
It causes to fracture.So the first circular arc wall 111 is also turned down towards the side close to ring flat-plate 2, in-flanges 6 is formed, can be subtracted in this way
Occurs the probability to fracture less.
Preferably, the height of the in-flanges 6 is less than the height of above-mentioned flanging 3, to play the effect for saving material.
Embodiment 4:
The present embodiment is further improved on the basis of embodiment 1 or 2, in the present embodiment, in above-mentioned first circular arc wall
111 and second the position that connects of circular arc wall 112 turn down to form sealing edge 8 towards the side close to ring flat-plate 2, sealing edge 8 and flanging 3 are right
It connects.
Although above-mentioned first circular arc wall 111 can be closely affixed with axle journal, in the first circular arc wall 111 and the second circular arc
The position that wall 1112 and flanging 3 connect can still have gap, by the first circular arc wall 111 and the second circular arc wall 1112 and folding
The position that side 3 connects turns down to form sealing edge 8 towards the side close to ring flat-plate 2, and the sealing edge 8 is docked with flanging 3, in this way,
Sealing edge 8 can live the gap sealing between the first circular arc wall 111 and the second circular arc wall 112 and flanging 3, in this way can
Gas leakage is avoided, the noise reduction stability and controllability of the muffler in the present embodiment are further increased.
Embodiment 5:
The present embodiment provides a kind of compressors, including cylinder, the flange being installed on cylinder 7 and above-mentioned muffler, method
The axle journal of orchid 7 is plugged in centre bore 11 and the first circular arc wall 111 is affixed with axle journal outer wall, the second circular arc wall 112 and flanging 3
Exhaust clearance 4 is formed between axle journal outer wall.
Due to the compressor use above-mentioned muffler, so its using when can be passed through according to usage scenario needs to adjust
Frequency, noise reduction effect are more preferable.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of muffler, it is characterised in that: including silencer wall and ring flat-plate, the ring flat-plate is set on the silencer wall and the ring flat-plate
Multiple connecting holes for flanged joint are equipped with, the silencer wall is equipped with the centre bore of interspersed flange axle journal；
The hole wall of the centre bore is at least made of the first circular arc wall and the second circular arc wall, the radius of first circular arc wall and institute
State that axle journal radius is identical and the center of circle of first circular arc wall is located on the central axes of the axle journal, second circular arc wall is towards close
The side of the ring flat-plate turns down to form flanging, has exhaust clearance between the flanging and the axle journal.
2. a kind of muffler according to claim 1, it is characterised in that: the center of circle of second circular arc wall is relative to described
The central axes of axle journal are eccentric and are located remotely from the side of first circular arc wall.
3. a kind of muffler according to claim 2, it is characterised in that: first circular arc wall is major arc.
4. a kind of muffler according to claim 3, it is characterised in that: the flange has exhaust outlet, between the exhaust
The area of gap is 0.5 times to 2 times of the exhaust port area.
5. a kind of muffler according to claim 4, it is characterised in that: the area of the exhaust clearance is equal to the exhaust
Open area.
6. a kind of muffler according to any one of claims 1-5, it is characterised in that: the height of the flanging is less than institute
State the height of muffler.
7. a kind of muffler according to claim 6, it is characterised in that: it is high that the height of the flanging is equal to the muffler
The half or a quarter of degree.
8. a kind of muffler according to any one of claims 1-5, it is characterised in that: first circular arc wall is towards close
The side of the ring flat-plate turns down to form in-flanges, and the height of the in-flanges is less than the height of the flanging.
9. a kind of muffler according to any one of claims 1-5, it is characterised in that: first circular arc wall with it is described
The position that second circular arc wall connects turns down to form sealing edge towards the side close to the ring flat-plate, the sealing edge and the flanging phase
It connects.
10. a kind of compressor, it is characterised in that: including any in cylinder, the flange being installed on cylinder and claim 1-9
Muffler described in, the axle journal of the flange is plugged in the centre bore and first circular arc wall and the axle journal outer wall
It is affixed, forms exhaust clearance between second circular arc wall and the axle journal outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659938.7A CN110318985A (en) | 2019-07-22 | 2019-07-22 | Silencer and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659938.7A CN110318985A (en) | 2019-07-22 | 2019-07-22 | Silencer and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318985A true CN110318985A (en) | 2019-10-11 |
Family
ID=68124167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910659938.7A Pending CN110318985A (en) | 2019-07-22 | 2019-07-22 | Silencer and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761931A (en) * | 2019-10-21 | 2021-05-07 | 安徽美芝制冷设备有限公司 | Connection structure, exhaust muffler, muffler and compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009250111A (en) * | 2008-04-07 | 2009-10-29 | Daikin Ind Ltd | Compressor |
| CN204386890U (en) * | 2014-12-30 | 2015-06-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Air-conditioner set and compressor |
| CN105781699A (en) * | 2016-05-20 | 2016-07-20 | 上海天纳克排气系统有限公司 | Muffler of exhaust system |
| CN106837803A (en) * | 2017-03-06 | 2017-06-13 | 珠海凌达压缩机有限公司 | Silencer and compressor |
| CN206770155U (en) * | 2017-03-27 | 2017-12-19 | 广东美芝制冷设备有限公司 | Cannula type exhaust noise silencing component |
| CN210397019U (en) * | 2019-07-22 | 2020-04-24 | 珠海凌达压缩机有限公司 | Silencer and compressor |
-
2019
- 2019-07-22 CN CN201910659938.7A patent/CN110318985A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009250111A (en) * | 2008-04-07 | 2009-10-29 | Daikin Ind Ltd | Compressor |
| CN204386890U (en) * | 2014-12-30 | 2015-06-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Air-conditioner set and compressor |
| CN105781699A (en) * | 2016-05-20 | 2016-07-20 | 上海天纳克排气系统有限公司 | Muffler of exhaust system |
| CN106837803A (en) * | 2017-03-06 | 2017-06-13 | 珠海凌达压缩机有限公司 | Silencer and compressor |
| CN206770155U (en) * | 2017-03-27 | 2017-12-19 | 广东美芝制冷设备有限公司 | Cannula type exhaust noise silencing component |
| CN210397019U (en) * | 2019-07-22 | 2020-04-24 | 珠海凌达压缩机有限公司 | Silencer and compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761931A (en) * | 2019-10-21 | 2021-05-07 | 安徽美芝制冷设备有限公司 | Connection structure, exhaust muffler, muffler and compressor |
| CN112761931B (en) * | 2019-10-21 | 2023-07-04 | 安徽美芝制冷设备有限公司 | Connection structure, exhaust muffler, muffler and compressor |
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