CN106801675A - A kind of compressor and its manufacture method - Google Patents
A kind of compressor and its manufacture method Download PDFInfo
- Publication number
- CN106801675A CN106801675A CN201510834990.3A CN201510834990A CN106801675A CN 106801675 A CN106801675 A CN 106801675A CN 201510834990 A CN201510834990 A CN 201510834990A CN 106801675 A CN106801675 A CN 106801675A
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- Prior art keywords
- clutch shaft
- compressor
- shaft bearing
- sound attenuating
- boss
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 239000003507 refrigerant Substances 0.000 claims abstract description 6
- 230000008602 contraction Effects 0.000 claims description 6
- 230000030279 gene silencing Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of compressor and its manufacture method.The compressor includes：Housing；Motor and compression member, are placed in the housing；The motor includes bent axle, and be transferred to the revolving force of motor in the compression member by the bent axle, with compression refrigerant；The compression member includes：Cylinder；Clutch shaft bearing and second bearing, are respectively arranged at the two ends of the cylinder, and the clutch shaft bearing is located at the cylinder near one end of the motor, limits compression stroke jointly with the cylinder and support the bent axle；Muffler, the muffler includes：Sound attenuating body, between the motor and the clutch shaft bearing, and is connected with the clutch shaft bearing by keeper；Side wall, the side wall ring is around the sound attenuating body and as a part for the housing.The problem of the clutch shaft bearing bias that the compressor that the compressor avoids prior art is present, so as to reduce compressor (especially frequency-changeable compressor) noise at high speed.
Description
Technical field
The present invention relates to field of air conditioning, in particular it relates to a kind of compressor and its manufacture method.
Background technology
Typically, hermetic compressor includes the electricity for the inner space produces driving force in housing
Machine, and the motor is connected to for the compression member of compression refrigerant.Hermetic compressor can be with root
Reciprocating compressor, scroll compressor, rolling-rotor are categorized as according to the difference of refrigerant compression mechanism
Formula compressor.Reciprocating compressor, scroll compressor and rolling rotor compressor are all using electricity
The revolving force of machine.
The motor of the hermetic compressor of existing utilization revolving force has a bent axle, by bent axle by electricity
The revolving force of machine is delivered to compression member.Fig. 1 show a kind of structural representation of compressor of prior art
Figure.As shown in figure 1, the primary structure of the rolling rotor compressor of prior art is as follows：
The upper/lower terminal of housing 2 ' is respectively welded lid 1 ' and lower cover 7 '.Motor 3 ' is arranged at shell
In body 2 ', motor 3 ' includes the internal rotor 32 ' and external stator 33 ' that are sheathed on bent axle 31 '.Outward
Stator 33 ' is fixed with housing 2 '.Internal rotor 32 ' is inserted in external stator 33 ', in the internal rotor
There is predetermined gap between 32 ' and external stator 33 ', and then by the interaction with external stator 33 '
And rotate the internal rotor 32 '.Bent axle 31 ' is connected to the internal rotor 32 ' with by internal rotor 32 '
Revolving force is delivered to compression member.The bottom of bent axle 31 ' relies on bearing (clutch shaft bearing 4 ' and the second axle
Hold 6 ') it is positioned at the axis of housing 2 '.The top of bent axle 31 ' is fixed by upper support component 8 '
Positioned at the axis of housing 2 '.Clutch shaft bearing 4 ' is by the structure of boss 42 ' (the interior cylinder in Fig. 1
Structure) constitute friction pair with bent axle 31 '.The periphery of clutch shaft bearing 4 ' is additionally provided with multiple supplied gas and passes through
Waist hole 41 '.
Compression member includes：Cylinder 51 ', rotate piston 52 ', in the cylinder 51 ' isolation it is high
The blade 53 ' of low pressure chamber, and it is multiple for limiting compression stroke jointly with cylinder 51 ' and supporting song
The bearing (clutch shaft bearing 4 ' and second bearing 6 ') of axle 31 '.Bearing is logical positioned at the one of motor 3 '
Side is supporting the bent axle 31 ' lower section of motor 3 ' (in Fig. 1 positioned at).Rotate piston 52 ' and blade
53 ' are arranged in the compression stroke that cylinder 51 ' is limited with clutch shaft bearing 4 ' and second bearing 6 '.Its
In, rotating piston 52 ' and be arranged on bent axle 31 ', blade 53 ' is in blade groove.
As shown in Figures 2 and 3, in order to weaken from compression member outflow high-speed gas noise, first axle
Hold and be also equipped with 4 ' muffler 9 ', one is provided with the middle part of muffler 9 ' and inside contracts boss 92 ',
The periphery of muffler 9 ' is provided with some screws 91 ', is screwed togather with clutch shaft bearing 4 ' by bolt.Inside contract
Boss 92 ' is collectively forming silencing cavity with clutch shaft bearing 4 '.Inside contract boss 92 ' and be provided with some ventholes
93 ' and an axis hole 94 ', the boss 42 ' of clutch shaft bearing 4 ' is through axis hole 94 '.From compression unit
The part high-speed gas of part outflow enter in the silencing cavity for inside contracting boss 92 ' and the formation of clutch shaft bearing 4 ',
And from after the discharge of venthole 93 ', noise is attenuated, so as to reach noise reduction purpose.
But the clutch shaft bearing 4 ' of compressor is typically by welding manner and housing 2 ' in the prior art
Inwall connection, compression member is fixed with this, but the process of welding inevitably occurs clutch shaft bearing
4 ' eccentric problems (the i.e. center line of clutch shaft bearing 4 ' and bent axle 31 ', internal rotor 32 ' and outer
The center line of the parts such as stator 33 ' occurs to deviate, not point-blank).The problem can influence indirectly
To external stator and internal rotor, both are made to occur the unstable situation of air gap in operation process, the situation exists
It is especially prominent under the rotating speed high of frequency-changeable compressor, cause frequency-changeable compressor to cause noise and vibration at high speed
It is bigger than normal.And the problem be current structure compressor institute it is insurmountable.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of compressor, it is to avoid
The eccentric problem of clutch shaft bearing that the compressor of prior art is present, so that it is (outstanding to reduce compressor
It is frequency-changeable compressor) noise at high speed.
According to an aspect of the present invention, there is provided a kind of compressor, the compressor includes：Housing；
Motor and compression member, are placed in the housing；The motor includes bent axle, and the bent axle will
The revolving force of motor is transferred in the compression member, with compression refrigerant；The compression member bag
Include：Cylinder；Clutch shaft bearing and second bearing, are respectively arranged at the two ends of the cylinder, described
One bearing is located at the cylinder near one end of the motor, limits compression jointly with the cylinder empty
Between and support the bent axle；Muffler, the muffler includes：Sound attenuating body, positioned at the electricity
Between machine and the clutch shaft bearing, and it is connected by keeper with the clutch shaft bearing；Side wall, institute
Side wall ring is stated around the sound attenuating body and as a part for the housing.
Preferably, the sound attenuating body includes two the first screws being oppositely arranged, the first axle
Hold and be provided with the 3rd corresponding screw of the first screw described with two, as the two of the keeper
Root bolt is each passed through two first screws and the 3rd screw, make the sound attenuating body with
The clutch shaft bearing connection.
Preferably, the sound attenuating body also includes two the second screws being oppositely arranged, described first
Bearing is provided with the 4th corresponding screw of the second screw described with two, and two bolts are each passed through
Two second screws and the 4th screw, make the sound attenuating body connect with the clutch shaft bearing
Connect.
Preferably, two second screws be arranged at two the first screw lines it is vertical in
On heart line.
Preferably, the sound attenuating body includes a first boss, and the first boss is towards the electricity
Machine protrudes, and the first boss combines to form silencing cavity with the clutch shaft bearing, the first boss
Some ventholes and an axis hole are provided with, the axis hole is passed through for the bent axle.
Preferably, the first boss also includes two contraction flow regions being oppositely arranged, two described the
One screw is respectively positioned at two contraction flow regions of the first boss.
Preferably, the clutch shaft bearing includes a second boss, and the second boss is towards the electricity
Machine protrudes, through the axis hole of the first boss, between the first boss and the bent axle.
Preferably, it is interference fit between the sound attenuating body and the clutch shaft bearing.
Preferably, the sound attenuating body also includes relative being set around two of the first boss periphery
The first concave station put and the second concave station between two first concave stations, described first is recessed
The inner edge of platform and second concave station is connected to the first boss, first concave station and described
The outer rim of two concave stations is connected to the side wall.
Preferably, the bottom surface of second concave station to the distance of the first boss is more than described first
The bottom surface of concave station to the first boss distance, described two second screws respectively be located at two institutes
The first concave station is stated, first concave station is assemblied in the top of the clutch shaft bearing, second concave station
It is assemblied between the periphery of the clutch shaft bearing and the housing.
Preferably, second concave station is provided with some waist holes.
Preferably, the sound attenuating body is formed in one with the side wall.
Preferably, external diameter of the external diameter of the sound attenuating body less than the side wall.
Preferably, the compressor also includes：Lower cover, the lower cover is connected to the sound attenuating body
Periphery；Upper lid, is connected to the inner circumferential of the side wall.
Preferably, the compressor is frequency-changeable compressor.
According to another aspect of the present invention, a kind of manufacture method of above-mentioned compressor is also provided, is wrapped
Include following steps：A muffler is prepared, the muffler includes sound attenuating body and disappears around described
The side wall of sound main body, a part for housing of the side wall as the compressor；By compression member
The side of the sound attenuating body is connected to, the compression member includes cylinder and is respectively arranged at institute
The two ends clutch shaft bearing and second bearing of cylinder are stated, wherein, the clutch shaft bearing and the noise reduction master
Body bolt connection；Leveling is carried out to the clutch shaft bearing by adjustment bolt；By motor, upper lid,
Lower cover is fixedly connected on the muffler, wherein the motor is located at the opposite side of the sound attenuating body,
The upper lid and lower cover are connected to the side wall and sound attenuating body of the muffler.
Preferably, the step of carrying out leveling to the clutch shaft bearing is by the elasticity of adjustment bolt
Carry out.
Preferably, after the step of carrying out leveling to the clutch shaft bearing, first to the motor is cold
It is pressed in the side wall of the muffler, then the upper lid and lower cover is connected with the muffler.
The muffler of compressor of the invention includes sound attenuating body and the side wall around sound attenuating body,
The side wall as compressor housing a part, clutch shaft bearing is connected with sound attenuating body by keeper,
Without the inwall welding with housing, it is to avoid the clutch shaft bearing that the compressor of prior art is present is eccentric
Problem, it is ensured that the axiality of compressor, make bent axle that there is good amount of deflection, and then avoid outer
There is the unstable situation of air gap in operation process in stator and internal rotor, reduce compressor (especially
It is frequency-changeable compressor) noise at high speed, meanwhile, the structure can also make compressor in system
Waste material is reduced when making, manufacturing cost is reduced.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, the present invention
Other features, objects and advantages will become more apparent upon：
Fig. 1 is a kind of sectional view of compressor of prior art；
Fig. 2 is the structural representation of muffler in the compressor of prior art；
Fig. 3 is the assembling schematic diagram of muffler in the compressor of prior art；
Fig. 4 is the sectional view of the compressor of the first embodiment of the present invention；
Fig. 5 is the sectional view at A-A in Fig. 4；
Fig. 6 is the top view of the muffler of the compressor of the first embodiment of the present invention；
Fig. 7 is the sectional view at B-B in Fig. 6；
Fig. 8 is the sectional view at C-C in Fig. 6；
Fig. 9 is the top view of the muffler of the compressor of the second embodiment of the present invention；And
Figure 10 is the flow chart of the manufacture method of compressor of the invention.
Reference
Covered on 1 '
2 ' housings
3 ' motors
31 ' bent axles
32 ' internal rotors
33 ' external stators
4 ' clutch shaft bearings
41 ' waist holes
42 ' boss
51 ' cylinders
52 ' rotate piston
53 ' blades
6 ' second bearings
7 ' lower covers
Support component on 8 '
9 ' mufflers
91 ' screws
92 ' inside contract boss
93 ' ventholes
94 ' axis holes
Covered on 1
2 mufflers
21 side walls
3 motors
31 bent axles
32 internal rotors
33 external stators
4 clutch shaft bearings
42 second boss
51 cylinders
52 rotate piston
53 blades
6 second bearings
7 lower covers
Support component on 8
9 sound attenuating bodies
911 first screws
912 second screws
92 first boss
921 contraction flow regions
93 ventholes
94 axis holes
95 waist holes
96 bolts
97 first concave stations
98 second concave stations
Specific embodiment
Hereinafter will embodiments of the invention be given with detailed description.Although the present invention will be specific with reference to some
Implementation method is illustrated and illustrates, but should be noted that the present invention is not merely confined to these realities
Apply mode.Conversely, the modification carried out to the present invention or equivalent, all should cover in power of the invention
In the middle of sharp claimed range.
In addition, in order to better illustrate the present invention, being given in specific embodiment below numerous
Detail.It will be understood by those skilled in the art that without these details, the present invention equally can be real
Apply.In other example, it is not described in detail for known structure and part, in order to
Highlight purport of the invention.
First embodiment
Show that please also refer to Fig. 4 and Fig. 5, Fig. 4 the compressor of the first embodiment of the present invention is cutd open
View, Fig. 5 is the sectional view at A-A in Fig. 4.It should be noted that compressor can be single cylinder pressure
In contracting machine, or duplex cylinder compressor, Fig. 4 and Fig. 5 by taking single cylinder compressor as an example, but not with this
It is limited.Further, since of the prior art, to there is technical problem especially prominent in frequency-changeable compressor, because
This, the structure of the embodiment of the present invention is mainly illustrated by taking frequency-changeable compressor as an example, but the invention is not restricted to
It is applied to frequency-changeable compressor.
In the preferred embodiment shown in Fig. 4 and Fig. 5, compressor of the invention includes housing, motor 3
It is placed in the housing.Specifically, motor 3 includes being sheathed on internal rotor 32 on bent axle 31 and outer
Stator 33.External stator 33 is fixed with the housing.Internal rotor 32 is inserted in external stator 33, including
There is predetermined gap between rotor 32 and external stator 33, and then by the interaction with external stator 33
And rotate the internal rotor 32.Bent axle 31 is connected to the internal rotor 32 with by the revolving force of internal rotor 32
It is transferred in compression member, with compression refrigerant.As shown in Figure 4 and Figure 5, the top of bent axle 31 according to
Top support component 8 is positioned at the axis of the housing.The bottom of bent axle 31 relies on clutch shaft bearing 4
With the axis that second bearing 6 is positioned at the housing (reference can be made to hereafter).
The compression member is placed in the housing.Specifically, the compression member includes：Cylinder
51st, rotate piston 52, the blade 53 for completely cutting off high-low pressure chamber in cylinder 51 and for cylinder
51 limit compression strokes and support the clutch shaft bearing 4 and second bearing 6 of bent axle 31 jointly.
Clutch shaft bearing 4, second bearing 6 and cylinder 51 are located at the side of motor 3 to support bent axle 31,
Clutch shaft bearing 4 and second bearing 6 are respectively arranged at the two ends of cylinder 51, and clutch shaft bearing 4 is located at cylinder
51 near one end of motor 3.Clutch shaft bearing 4 includes second boss 42, and second boss 42 is towards motor
3 protrusions, clutch shaft bearing 4 constitutes friction pair by second boss 42 with bent axle 31.In Fig. 4 and Fig. 5
In shown embodiment, clutch shaft bearing 4, second bearing 6 and cylinder 51 are located at the lower section of motor 3.
Clutch shaft bearing 4 is arranged at the upper end of cylinder 51, and second bearing 6 is arranged at the lower end of cylinder 51.
Rotate piston 52 and blade 53 is arranged at cylinder 51 and is limited with clutch shaft bearing 4 and second bearing 6
Compression stroke in.Wherein, rotate piston 52 to be arranged on bent axle 31, rotated with bent axle 31, leaf
Piece 53 is located in blade groove (not shown), and supports rotation piston 52.
In order to solve occur during case weld of the clutch shaft bearing 4 present in prior art with compressor
Eccentric this problem (the i.e. center line of clutch shaft bearing 4 and bent axle 31, internal rotor 32 and external stator
The center line of 33 grade parts occurs to deviate, not point-blank), compressor of the invention is to muffler
Improved.Specifically, muffler 2 includes sound attenuating body 9 and the side wall around sound attenuating body 9
21.Sound attenuating body 9 is integrally formed with side wall 21, i.e., using once between sound attenuating body 9 and side wall 21
Property punching press making, muffler 2 is overall has no welding portion.The overall tubular in both ends open of muffler 2,
First openend is fixedly connected with the casing, and the second openend is fixedly connected with clutch shaft bearing.Such as Fig. 4 and Tu
Shown in 5, side wall 21 is consolidated as a part for the housing of the compressor with the external stator 33 of motor 3
It is fixed to be connected.Sound attenuating body 9 is arranged at the bottom of side wall 21, positioned at motor 3 and the compression member it
Between, it is connected with the clutch shaft bearing 4 of the compression member, for weakening from compression member outflow
The noise of high-speed gas.The upper/lower terminal of side wall 21 of muffler 2 is respectively welded the upper of the compressor
Lid 1 and lower cover 7.One end that lower cover 7 is connected with muffler 2 is located at the periphery of sound attenuating body 9；Upper lid
1 one end being connected with muffler 2 is located at the inner circumferential of side wall 21.Preferably, the external diameter of sound attenuating body 9 is small
In the external diameter of side wall 21, so as to both vary without the parts such as original motor, the bearing inside compressor
Size, the profile radial dimension of compressor is not increased yet.
Please also refer to Fig. 6 to Fig. 8, which respectively show the vertical view of the muffler of compressor of the invention
Figure and sectional view.Specifically, sound attenuating body 9 includes a first boss 92, the direction of first boss 92
Motor 3 protrudes, and first boss 92 combines to form silencing cavity with clutch shaft bearing 4.As shown in fig. 6, the
One boss 92 is provided with some ventholes 93.Enter from the part high-speed gas of compression member outflow
Sound attenuating body 9, and from after the discharge of venthole 93, noise is attenuated, so as to reach noise reduction purpose.
As shown in Figure 7 and Figure 8, first boss 92 is provided with an axis hole 94 (i.e. above-mentioned second opening
End), axis hole 94 is passed through for bent axle 31.Specifically, please also refer to Fig. 4, clutch shaft bearing 4
Second boss 42 passes through the axis hole 94 in the first boss 92 of sound attenuating body 9, positioned at first boss 92
And bent axle 31 between.Preferably, the first boss 92 of sound attenuating body 9 is convex with the second of clutch shaft bearing 4
It is interference fit between platform 42, makes the inner surface of first boss 92 tight with the outer surface of second boss 42
It is close to be affixed, to strengthen stability.
Further, in an embodiment of the present invention, by fixed between sound attenuating body 9 and clutch shaft bearing 4
Position part connection.Specifically, as shown in fig. 6, first boss 92 also includes two receipts being oppositely arranged
Contracting portion 921.Sound attenuating body 9 includes two the first screws 911 being oppositely arranged positioned at first boss 92,
Two the first screws 911 are respectively positioned at two contraction flow regions 921 of first boss 92.On clutch shaft bearing 4 with
Two the first screws 911 are accordingly provided with two the 3rd screws, and two bolts 96 are each passed through two
First screw 911 is connected with the 3rd screw on clutch shaft bearing 4, and (position of the 3rd screw refers to figure
The position of the first screw 911 and bolt 96 in 4) so that sound attenuating body 9 is connected with clutch shaft bearing 4
Connect.
Sound attenuating body 9 also includes two the first concave stations 97 being oppositely arranged around the periphery of first boss 92
And the second concave station 98 between two the first concave stations 97, the first concave station 97 and the second concave station 98
Be connected between the bottom of first boss 92 and side wall 21, the second concave station 98 less than the first concave station 97 (
I.e. the bottom surface of the second concave station 98 is to the bottom surface of the distance more than the first concave station 97 of first boss 92 to first
The distance of boss 92).First concave station 97 is assemblied in the top (as shown in Figure 5) of clutch shaft bearing 4.
Second concave station 98 is assemblied between the periphery of clutch shaft bearing 4 and the lower cover 7 of housing (as shown in Figure 4),
So that muffler is more consolidated with the connection of housing and clutch shaft bearing.Second concave station 98 is provided with multiple
Waist hole 95.
Sound attenuating body 9 also includes two the second screws 912 being oppositely arranged.Two 912 points of the second screws
Wei Yu not two the first concave stations 97.On clutch shaft bearing 4 two are accordingly provided with two the second screws 912
Individual 4th screw, two bolts 96 are each passed through the on two the second screws 912 and clutch shaft bearing 4
Four screws are connected, and (position of the 4th screw refers to the position of the second screw 912 and bolt 96 in Fig. 5
Put).Preferably, two the second screws 912 are arranged at two vertical centres of the line of the first screw 911
On line.Can be more effectively by the four point attachment of two the first screws 911 and two the second screws 912
Leveling is carried out to clutch shaft bearing 4, to ensure its axiality.Wherein, leveling refer to by clutch shaft bearing 4 with
Sound attenuating body 9 is adjusted to almost parallel, and then, make the axis of clutch shaft bearing 4 and sound attenuating body 9
Axis is point-blank.
Further, because the side wall 21 of muffler 2 is formed in one with sound attenuating body 9, first axle
4 and the bolt connection of sound attenuating body 9 (not welded with side wall 21) are held, bolt can effectively to first
Bearing 4 carries out leveling, therefore, it is to avoid clutch shaft bearing 4 ' and institute that the compressor of prior art is present
The eccentricity issues that the inwall for stating compressor housing is produced when welding, it is ensured that the axiality of compressor.From imitative
From the point of view of true calculating, preferably, its maximum defluxion is only the amount of deflection of bent axle after compressor assembling of the invention
0.063899mm.And then avoid external stator and internal rotor from occurring the unstable feelings of air gap in operation process
Condition, reduces compressor (especially frequency-changeable compressor) noise at high speed, meanwhile, the housing
Structure can also reduce waste material, reduce manufacturing cost.
Second embodiment
Fig. 9 is referred to, it illustrates the top view of the muffler of the second embodiment of the present invention.With it is above-mentioned
Unlike first embodiment shown in Fig. 6, sound attenuating body 9 only includes two first for being oppositely arranged
Screw 911, without including the second screw 912.Specifically, as shown in figure 9, sound attenuating body 9 only
It is connected with clutch shaft bearing 4 by the bolt at the first screw 911.The embodiment can equally be achieved,
It will not go into details herein.
Figure 10 is referred to, it illustrates the flow chart of the manufacture method of compressor of the invention.Specifically,
The present invention also provides a kind of manufacture method of above-mentioned compressor, as shown in Figure 10, the system of the compressor
The method of making comprises the following steps：
Step S100：Prepare a muffler.Wherein, muffler is the noise reduction shown in above-mentioned Fig. 4 to Fig. 9
Device 2, muffler 2 include side wall 21 and sound attenuating body 9, side wall 21 as the compressor shell
A part for body.
Step S200：Compression member is connected to the side of sound attenuating body.Wherein, the compression member can
With the structure as shown in Fig. 4 or Fig. 5, it at least includes cylinder 51 and is respectively arranged at the two of cylinder 51
End clutch shaft bearing 4 and second bearing 6.Wherein, clutch shaft bearing 4 and the bolt connection of sound attenuating body 9.
Step S300：Leveling is carried out to the clutch shaft bearing of compression member by adjustment bolt.Specifically,
By taking the first embodiment of the present invention as an example, i.e., sound attenuating body 9 includes two the first screws 911 being oppositely arranged
And two the second screws 912 being oppositely arranged.Sound attenuating body 9 passes through the first screw 911 and second
Four bolts at screw 912 are attached with clutch shaft bearing 4.Preferably, two the second screws 912
It is arranged on two vertical center lines of the line of the first screw 911.In sound attenuating body 9 and clutch shaft bearing 4
During connection, can be by adjusting four different positions at the first screw 911 and the second screw 912
The elasticity of the bolt put carries out leveling to clutch shaft bearing 4, makes clutch shaft bearing 4 with sound attenuating body 9 substantially
It is parallel, and then ensure the axiality between clutch shaft bearing 4 and sound attenuating body 9.Additionally, clutch shaft bearing 4
The axiality that also ensure that the whole compression member parallel with sound attenuating body 9.It should be noted that
In second embodiment shown in Fig. 9, sound attenuating body 9 can also only by adjusting the first screw 911 two
The elasticity of the bolt of diverse location carries out leveling to clutch shaft bearing 4, and it can equally be achieved,
It will not go into details for this.
Step S400：Motor is colded pressing in the side wall of muffler, is fixedly connected with the side wall of muffler,
The motor is located at the opposite side of the sound attenuating body.In the embodiment shown in Fig. 4 and Fig. 5, motor
3 tops for being located at sound attenuating body 9, compression member is connected to the lower section of sound attenuating body 9.
Step S500：Upper lid and lower cover are connected to the two ends of the muffler.Due to muffler 2
Side wall 21 as compressor housing a part, therefore, the upper lid and lower cover of compressor can be direct
It is connected with muffler 2.Preferably, upper lid 1 and lower cover 7 are respectively welded upper and lower two in muffler 2
End.After lower cover 7 is welded with muffler 2, one end of its welding is located at the periphery of sound attenuating body 9.Complete
Compressor as shown in Figure 4 and Figure 5 can be formed after step S500.
It should be noted that the operation order in above-mentioned steps S400 and step S500 is only of the invention
One preferred embodiment, can be in other embodiments of the invention what is be changed.For example,
First lower cover 7 can be weldingly connected with muffler 2 after the completion of step S300, then enter to be about to motor to cold pressing
The step of in the side wall of muffler and welding above lid 1, the embodiment can equally be achieved,
It will not go into details for this.
In summary, the muffler of compressor of the invention includes sound attenuating body and around sound attenuating body
Side wall, the side wall as compressor housing a part, clutch shaft bearing and sound attenuating body pass through keeper (example
Such as bolt) connection, without the inwall welding with housing, it is to avoid the compressor of prior art exist the
The eccentric problem of one bearing, it is ensured that the axiality of compressor, makes bent axle have good amount of deflection, and then
Avoid external stator and internal rotor from occurring the unstable situation of air gap in operation process, reduce compressor (outstanding
It is frequency-changeable compressor) noise at high speed, meanwhile, the structure can also make compressor in manufacture
When reduce waste material, reduce manufacturing cost.
Claims (18)
1. a kind of compressor, it is characterised in that the compressor includes：
Housing；
Motor and compression member, are placed in the housing；
The motor includes bent axle, and be transferred to the revolving force of motor in the compression member by the bent axle,
With compression refrigerant；
The compression member includes：
Cylinder；
Clutch shaft bearing and second bearing, are respectively arranged at the two ends of the cylinder, the clutch shaft bearing
Positioned at the cylinder near one end of the motor, compression stroke is limited jointly with the cylinder and institute is supported
State bent axle；
Muffler, the muffler includes：
Sound attenuating body, between the motor and the clutch shaft bearing, and with the clutch shaft bearing
Connected by keeper；
Side wall, the side wall ring is around the sound attenuating body and as a part for the housing.
2. compressor according to claim 1, it is characterised in that the sound attenuating body includes two
The first screw being oppositely arranged, the clutch shaft bearing is provided with corresponding of the first screw described with two
Three screws, two first screws and the described 3rd are each passed through as two bolts of the keeper
Screw, makes the sound attenuating body be connected with the clutch shaft bearing.
3. compressor according to claim 2, it is characterised in that the sound attenuating body also includes two
Individual the second screw being oppositely arranged, it is corresponding that the clutch shaft bearing is provided with the second screw described with two
4th screw, two bolts are each passed through two second screws and the 4th screw, make described disappearing
Sound main body is connected with the clutch shaft bearing.
4. compressor according to claim 3, it is characterised in that two second screws are set
In on two vertical center lines of the first screw line.
5. the compressor according to claim 3 or 4, it is characterised in that the sound attenuating body includes
One first boss, the first boss is protruded towards the motor, the first boss and the first axle
Hold combination and form silencing cavity, the first boss is provided with some ventholes and an axis hole, the axis hole
Passed through for the bent axle.
6. compressor according to claim 5, it is characterised in that the first boss also includes two
The individual contraction flow region being oppositely arranged, two first screws are respectively positioned at two contractions of the first boss
Portion.
7. compressor according to claim 5, it is characterised in that the clutch shaft bearing includes one the
Two boss, the second boss is protruded towards the motor, through the axis hole of the first boss, is located at
Between the first boss and the bent axle.
8. compressor according to claim 7, it is characterised in that the sound attenuating body and described
It is interference fit between one bearing.
9. compressor according to claim 5, it is characterised in that the sound attenuating body also includes enclosing
It is around two the first concave stations being oppositely arranged of the first boss periphery and described first recessed positioned at two
It is convex that the inner edge of the second concave station between platform, first concave station and second concave station is connected to described first
The outer rim of platform, first concave station and second concave station is connected to the side wall.
10. compressor according to claim 9, it is characterised in that the bottom surface of second concave station
Distance to the first boss is more than the bottom surface of first concave station to the distance of the first boss, institute
State two the second screws and be located at two first concave stations respectively, first concave station is assemblied in described first
The top of bearing, second concave station is assemblied between the periphery of the clutch shaft bearing and the housing.
11. compressor according to claim 9 or 10, it is characterised in that on second concave station
It is provided with some waist holes.
12. compressors according to claim 1, it is characterised in that the sound attenuating body and the side
Wall is formed in one.
13. compressors according to claim 1, it is characterised in that the external diameter of the sound attenuating body is small
In the external diameter of the side wall.
14. compressors according to claim 1, it is characterised in that the compressor also includes：
Lower cover, the lower cover is connected to the periphery of the sound attenuating body；
Upper lid, is connected to the inner circumferential of the side wall.
15. compressors according to claim 1, it is characterised in that the compressor compresses for frequency conversion
Machine.
16. a kind of manufacture methods of compressor as claimed in claim 1, it is characterised in that including as follows
Step：
A muffler is prepared, the muffler includes sound attenuating body and the side around the sound attenuating body
Wall, a part for housing of the side wall as the compressor；
Compression member is connected to the side of the sound attenuating body, the compression member includes cylinder and divides
Be not arranged at the two ends clutch shaft bearing and second bearing of the cylinder, wherein, the clutch shaft bearing with it is described
Sound attenuating body bolt connection；
Leveling is carried out to the clutch shaft bearing by adjustment bolt；
Motor, upper lid, lower cover are fixedly connected on the muffler, wherein the motor is located at described disappearing
The opposite side of sound main body, the upper lid and lower cover are connected to side wall and the noise reduction master of the muffler
Body.
The manufacture method of 17. compressors as claimed in claim 16, it is characterised in that to described first
The step of bearing carries out leveling is carried out by the elasticity of adjustment bolt.
The manufacture method of 18. compressors as claimed in claim 16, it is characterised in that to described
After the step of one bearing carries out leveling, first to the motor is colded pressing in the side wall of the muffler, then
The upper lid and lower cover are connected with the muffler.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834990.3A CN106801675B (en) | 2015-11-26 | 2015-11-26 | A kind of compressor and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834990.3A CN106801675B (en) | 2015-11-26 | 2015-11-26 | A kind of compressor and its manufacturing method |
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| CN106801675B CN106801675B (en) | 2019-01-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000104694A (en) * | 1998-09-29 | 2000-04-11 | Sanyo Electric Co Ltd | Rotary compressor |
| CN101397997A (en) * | 2008-10-24 | 2009-04-01 | 珠海格力电器股份有限公司 | Assembly method of rotary double-cylinder compressor pump body |
| CN102477984A (en) * | 2010-11-26 | 2012-05-30 | 上海日立电器有限公司 | Rotary compressor structure with uniform stator and rotor clearance |
| CN104165140A (en) * | 2014-08-01 | 2014-11-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN204082549U (en) * | 2014-08-28 | 2015-01-07 | 上海日立电器有限公司 | A kind of compressor |
| CN204239188U (en) * | 2014-11-03 | 2015-04-01 | 上海日立电器有限公司 | A kind of compressor |
-
2015
- 2015-11-26 CN CN201510834990.3A patent/CN106801675B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000104694A (en) * | 1998-09-29 | 2000-04-11 | Sanyo Electric Co Ltd | Rotary compressor |
| CN101397997A (en) * | 2008-10-24 | 2009-04-01 | 珠海格力电器股份有限公司 | Assembly method of rotary double-cylinder compressor pump body |
| CN102477984A (en) * | 2010-11-26 | 2012-05-30 | 上海日立电器有限公司 | Rotary compressor structure with uniform stator and rotor clearance |
| CN104165140A (en) * | 2014-08-01 | 2014-11-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN204082549U (en) * | 2014-08-28 | 2015-01-07 | 上海日立电器有限公司 | A kind of compressor |
| CN204239188U (en) * | 2014-11-03 | 2015-04-01 | 上海日立电器有限公司 | A kind of compressor |
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| Publication number | Publication date |
|---|---|
| CN106801675B (en) | 2019-01-29 |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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