CN109424515A - A kind of compressor and its manufacturing method - Google Patents
A kind of compressor and its manufacturing method Download PDFInfo
- Publication number
- CN109424515A CN109424515A CN201710792695.5A CN201710792695A CN109424515A CN 109424515 A CN109424515 A CN 109424515A CN 201710792695 A CN201710792695 A CN 201710792695A CN 109424515 A CN109424515 A CN 109424515A
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- Prior art keywords
- shell
- crankshaft
- inner hole
- compressor
- cylinder
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Classifications
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- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- 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
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- 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
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- 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
- F04B39/14—Provisions for readily assembling or disassembling
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
It includes: shell that the present invention, which provides a kind of compressor and its manufacturing method, the compressor, has a central axis；Upper cylinder cover is located in the shell, and the first inner hole of the central axis is parallel to an axis；Lower cylinder cap is located in the shell, the second inner hole with one with first female coaxial；Motor and cylinder are placed in the shell, the third inner hole that there is the cylinder axis to be parallel to the central axis；The rotary force of the motor is passed to the piston in the cylinder by crankshaft, and to compress refrigerant, the crankshaft is inserted into upper first inner hole, third inner hole and the second inner hole；Wherein, before the crankshaft is inserted into first inner hole, the upper cylinder cover or the cylinder are integrated component with the shell；Either the upper cylinder cover or the cylinder and the shell are connected with each other.Compressor provided by the invention and its manufacturing method can improve the noise of compressor.
Description
Technical field
The present invention relates to field of air conditioning, and in particular, to a kind of compressor and its manufacturing method.
Background technique
Typically, hermetic compressor includes the motor for generating driving force in the inner space of sealing shell, with
And the motor is connected to for compressing the compression member of refrigerant.The associated refrigerations air-conditioning such as air conditioner, refrigerator, communication base station
It is rolling rotor compressor that master is to be applied in field.The contraction principle of the rolling rotor compressor mainly utilizes motor
Rotary force.
The motor of the rolling rotor compressor of the prior art has a crankshaft, is passed the rotary force of motor by crankshaft
It is delivered to compression member.For example, as shown in Figure 1, the primary structure of rotary hermetic compressor is as follows:
Upper cover 1 ' and lower cover 5 ' is respectively welded in the upper/lower terminal of sealing shell 10 '.Motor 20 ' is placed in sealing shell 10 '
Interior, motor 20 ' includes the rotor 22 ' being sheathed on crankshaft 40 ' and the stator 21 ' being fixed in sealing shell 10 '.Rotor 22 '
It is inserted in stator 21 ', there is predetermined gap between the rotor 22 ' and stator 21 ', and then by mutual with stator 21 '
It acts on and rotates the rotor 22 '.Crankshaft 40 ' is connected to the rotor 22 ' so that the rotary force of rotor 22 ' is transmitted to compression unit
Part.The lower part of crankshaft 40 ' is positioned at the central axes of sealing shell 10 ' by bearing components (upper cylinder cover 32 ' and lower cylinder cap 33 ').
Upper cylinder cover 32 ' constitutes friction pair by internal boss structure (the interior class cylindrical structure in Fig. 1) and crankshaft 40 '.
Compression member may include: cylinder, rotate piston and the blade for completely cutting off high-low pressure chamber in the cylinder, Yi Jiduo
A bearing components for limiting compression space jointly with the cylinder and supporting crankshaft 40 '.Bearing components are usually located at motor
20 ' side is to support crankshaft 40 '.
The compressor of the prior art mostly uses bearing components as shown in Figure 1 (upper cylinder cover 32 ' and lower cylinder cap 33 ') and crankshaft
40 ' the modes being directly engaged, and upper cylinder cover 32 ' and sealing shell 10 ' are welded.Existing compressor assemble flow is all first
After the assembly is completed pump body portions such as crankshaft 40 ', upper cylinder cover 32 ', cylinder 31 ', lower cylinder caps 33 ', then it is the pump housing and shell 10 ' is logical
The forms such as welding/ring flange are crossed to be attached.Through inventor the study found that such structure and assembly method there are following disadvantages
End: the offset of the deformation and rotor 22 ' inevitably welded in assembling process, it is fixed fundamentally to avoid always
The offset of 22 ' air gap of rotor.And non-uniform air-gap between stator 21 ', rotor 22 ', it is likely to result in rotor 22 ' and stator 21 '
Between collide so that rotor stress is more uneven, loud noise can be generated.
Summary of the invention
It for the defects in the prior art, can the purpose of the present invention is to provide a kind of compressor and its manufacturing method
Improve the noise of compressor.
According to an aspect of the present invention, a kind of compressor is provided, comprising: shell has a central axis；Upper cylinder cover is located at
In the shell, the first inner hole of the central axis is parallel to an axis；Lower cylinder cap is located in the shell, has one
With the second inner hole of first female coaxial；Motor and cylinder are placed in the shell, and the cylinder is flat with an axis
Row is in the third inner hole of the central axis；The rotary force of the motor is passed to the piston in the cylinder by crankshaft, with compression
Refrigerant, the crankshaft are inserted into upper first inner hole, third inner hole and the second inner hole；Wherein, described in being inserted into the crankshaft
Before first inner hole, the upper cylinder cover or the cylinder are integrated component with the shell；The either upper cylinder cover or institute
Cylinder is stated to be connected with each other with the shell.
Optionally, before the crankshaft is inserted into first inner hole, the upper cylinder cover is integrated component with the shell
Or be connected with each other with the shell, the concentricity of the internal diameter of the shell and first inner hole is less than 0.5mm.
Optionally, before the crankshaft is inserted into first inner hole, the cylinder and the shell for integrated component or
Person and the shell are connected with each other, and the concentricity of the internal diameter of the shell and the third inner hole is less than 0.5mm.
Optionally, the shell includes the upper and lower part divided by the upper cylinder cover, and the upper part of the housing is in described
Height H in mandrel1≥h1/5+h2+h3, h1For the folded thickness of the motor, h2It is lateral coil under the stator of the motor described
Height on central axis, h3For downside coil bottom to the safe electrical appliance distance apart from nearest component, h3 is greater than 1mm.
Optionally, ratio H/D >=0.3 of the outer diameter D of height H of the shell on the central axis and the shell.
Optionally, the upper cylinder cover or the cylinder and the shell are dug out by casting, forging, solid material except material
Form unitary member.
Optionally, the upper cylinder cover or the cylinder and the shell pass through welding, glue bonding, hot jacket, cold pressing, lining
Cover bracket, ring flange is connected with each other.
Optionally, the upper cylinder cover or the cylinder are powder metallurgy or cast iron or steel.
According to another aspect of the invention, a kind of manufacturing method of compressor is also provided, the compressor has institute as above
The structure stated, the manufacturing method include: offer integrated shell, the upper cylinder cover or the cylinder and shell one
The concentricity for turning to the integrated shell, the upper cylinder cover or the cylinder and the shell is less than 0.5mm；By the song
Axis is inserted into first inner hole of the upper cylinder cover, and the crankshaft and first female coaxial are arranged；By turning for the motor
Sub-set is connected on the crankshaft, and the rotor and the crankshaft are coaxially disposed；And by the stator of the motor and the one
Change shell to fix, and the stator is turned assigned on the outside of the rotor, the stator and the integrated shell are coaxially disposed, institute
Stating has air gap between stator and the rotor.
According to another aspect of the invention, a kind of manufacturing method of compressor is also provided, the compressor has institute as above
The structure stated, the manufacturing method include: to make the upper cylinder cover or the interconnection of the cylinder and the shell on described
The concentricity of cylinder cap or the cylinder and the shell is less than 0.5mm；The crankshaft is inserted into described the of the upper cylinder cover
One inner hole, the crankshaft and first female coaxial are arranged；The rotor of the motor is socketed on the crankshaft, described turn
It is sub to be coaxially disposed with the crankshaft；And the stator of the motor and the integrated shell are fixed, and the stator is turned
On the outside of the rotor, the stator and the integrated shell are coaxially disposed, and are had between the stator and the rotor
Air gap.
Due to having used the above technology, compressor of the invention and manufacturing method realize reference for assembling and positioning datum
It is mutually unified；Compressor is in assembling process, unstressed release, effectively reduces welding deformation, reduces rotor offset, so that fixed
Rotor airgap is more uniform, and compressor total noise of centrifuge makes moderate progress.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the cross-sectional view of the compressor of the prior art；
Fig. 2 is the shell and the integrated cross-sectional view of upper cylinder cover of the first embodiment of the present invention；
Fig. 3 is the cross-sectional view of the compressor assembly of first embodiment in the present invention；
Fig. 4 is the cutaway cross-sectional view of crankshaft in first embodiment of the invention；
The cross-sectional view of compressor assembly when Fig. 5 is shell and the cylinder integration of second embodiment of the invention.
Appended drawing reference
1 ' upper cover
10 ' sealing shells
20 ' motors
40 ' crankshafts
22 ' rotors
21 ' stators
32 ' upper cylinder covers
31 ' compression members
33 ' lower cylinder caps
5 ' lower covers
10 shells
101 central axises
40 crankshafts
401 long axle portions
402 eccentric parts
403 short axle portions
32 upper cylinder covers
321 first inner holes
The axis of 322 first inner holes
31 cylinders
311 third inner holes
33 lower cylinder caps
331 second inner holes
34 pistons
35 blades
Specific embodiment
Detailed description will be provided to the embodiment of the present invention below.Although the present invention will combine some specific embodiments
It is illustrated and illustrates, but should be noted that the present invention is not merely confined to these embodiments.On the contrary, to the present invention
The modification or equivalent replacement of progress, are intended to be within the scope of the claims of the invention.
In addition, in order to better illustrate the present invention, numerous details is given in specific embodiment below.
It will be understood by those skilled in the art that without these details, the present invention equally be can be implemented.It is right in other example
It is not described in detail in known structure and component, in order to highlight purport of the invention.
First embodiment
If Fig. 2 to Fig. 4, Fig. 2 are the shell and the integrated cross-sectional view of upper cylinder cover of the first embodiment of the present invention；Fig. 3 is
The cross-sectional view of the compressor assembly of first embodiment in the present invention；Fig. 4 is crankshaft in first embodiment of the invention
Cutaway cross-sectional view.
Compressor includes shell 10, upper cylinder cover 32, lower cylinder cap 33, motor (label 20 ' as shown in figure 1), cylinder 31, crankshaft
40.Shell 10 has an accommodating space.Shell 10 is optionally class cylindrical shell, and has a central axis 101.Shell 10 exists
Ratio H/D >=0.3 of the outer diameter D of height H and shell 10 on central axis 101.In the embodiment of vertical compressor, due to each
Component axially connects, and therefore, shell 10 needs enough height to accommodate these components.Upper cylinder cover 32 is located in shell 10,
The first inner hole 321 of central axis 101 is parallel to an axis 322.In the present embodiment, shell 10 includes being drawn by upper cylinder cover 32
The upper and lower part divided, height H of the top of shell 10 on central axis 1011≥h1/5+h2+h3, wherein h1For the motor
Folded thickness, h2For height of the stator lower coil on the central axis of the motor, h3Most for lower coil bottom to distance
The safe electrical appliance distance of close component, h3 are greater than 1mm.Thus, it is ensured that the mounting height of each component, and reduce each component and transporting
The mechanical wear for rubbing and then generating is generated when row.
In the present embodiment, before crankshaft 40 is inserted into the first inner hole 321, upper cylinder cover 32 is integrated component with shell 10.
For example, being dug out by casting, forging, solid material except the process forms such as material make upper cylinder cover 32 during making shell 10
Unitary member is formed with shell 10.In the embodiment that upper cylinder cover 32 is integrated component with shell 10, the unitary member
The assembly intensity that compressor can be increased reduces the gap between component in favor of the miniaturization of compressor, and before assembly
Integration rather than after assembling welding can prevent the thermal deformation of the other component as caused by welding, and then generate that contraposition is inaccurate to ask
Topic.In a change case of the present embodiment, before crankshaft 40 is inserted into the first inner hole 321, upper cylinder cover 32 is interconnected with 10 phase of shell
It connects.For example, upper cylinder cover 32 is mutual by the modes such as welding, glue bonding, hot jacket, cold pressing, bushing bracket, ring flange with shell 10
Connection.In upper cylinder cover 32 and shell 10 before crankshaft 40 is inserted into the first inner hole 321 in embodiment interconnected, compared to integration
The assembly of component, compressor is more flexible, and without making new mold, at the same also can reduce the gap between component with
Conducive to the miniaturization of compressor；Welding can prevent the other component as caused by welding after being connected with each other rather than assembling before assembly
Thermal deformation, and then lead to the problem of what contraposition was not allowed.Upper cylinder cover 32 is optionally as powder metallurgy or cast iron or steel, thus no matter
Can all have good hardness during connection or integrated molding.
Lower cylinder cap 33 is located in shell 10, and lower cylinder cap 33 has second inner hole 331 coaxial with the first inner hole 321.Electricity
Machine and cylinder 31 are placed in shell 10.The third inner hole 311 that there is cylinder 31 axis to be parallel to central axis 101.Crankshaft 40
It is inserted into upper first inner hole 321, third inner hole 311 and the second inner hole 331.Crankshaft 40 passes to the rotary force of motor in cylinder 31
Piston, to compress refrigerant.
Specifically, the upper and lower covers of upper cylinder cover 32 and lower cylinder cap 33 as cylinder 31.The eccentric part 402 of crankshaft 40 is located at upper
In the compression space that cylinder cap 32 and lower cylinder cap 33 and cylinder 31 limit jointly, the refrigeration of cylinder 31 is flowed into from liquid storage device to compress
Liquid.Upper cylinder cover 32 is located at 402 top of eccentric part of crankshaft 40, supports the long axle portion 401 of crankshaft 40.Lower cylinder cap 33 is located at crankshaft 40
The lower section of eccentric part 402, the short axle portion 403 of crankshaft 40 is supported, thus thrust crankshaft 40.
In addition, in the present embodiment, the concentricity of the internal diameter of shell 10 and the first inner hole 321 is less than 0.5mm.Concentricity
It is exactly to be less than 0.5mm in the distance between the central axis 101 of shell 10 and the axis 322 of the first inner hole 321.Work as crankshaft as a result,
When 40 the first inner hole 321 of insertion, it can be generally kept at the central axis of shell 10, when the rotor and stator sleeve of motor are set to crankshaft
, it can be achieved that rotor and stator reference for assembling and positioning datum are mutually unified when on 40, while rotor offset is reduced, so that fixed
Rotor airgap is more uniform, and compressor total noise of centrifuge makes moderate progress.Specifically, the stator of motor can be directly fixed at
On the inner circumferential circle of shell 10.In this way, due to the round positioning datum as motor stator of the inner circumferential of shell 10, the first inner hole 321 is made
For the positioning datum of rotor, the first inner hole 321 and 10 inner circumferential circle concentricity of shell are less than 0.1mm, thereby may be ensured that and turn
Son and stator almost coaxial, reach splendid clearance fit effect between the two, reduce abrasion and noise.
Second embodiment
Referring to compressor assembly when shell and the cylinder integration that Fig. 5, Fig. 5 are second embodiment of the invention
Cross-sectional view.
Compressor includes shell 10, upper cylinder cover 32, lower cylinder cap 33, motor (label 20 ' as shown in figure 1), cylinder 31, crankshaft
40.Shell 10 has an accommodating space.Upper cylinder cover 32 is located in shell 10, is parallel to the of central axis 101 with an axis 322
One inner hole 321.
Lower cylinder cap 33 is located in shell 10, and lower cylinder cap 33 has second inner hole 331 coaxial with the first inner hole 321.Electricity
Machine and cylinder 31 are placed in shell 10.The third inner hole 311 that there is cylinder 31 axis to be parallel to central axis 101.Crankshaft 40
It is inserted into upper first inner hole 321, third inner hole 311 and the second inner hole 331.Crankshaft 40 passes to the rotary force of motor in cylinder 31
Piston, to compress refrigerant.
In the present embodiment, before crankshaft 40 is inserted into the first inner hole 321, cylinder 31 is integrated component with shell 10.?
Cylinder 31 is with shell 10 in the embodiment of integrated component, which can increase the assembly intensity of compressor, subtract
Gap between small component in favor of compressor miniaturization, and before assembly integration rather than after assembling welding can prevent by
The thermal deformation of other component caused by welding, and then lead to the problem of what contraposition was not allowed.In a change case of the present embodiment,
Before crankshaft 40 is inserted into the first inner hole 321, cylinder 31 and shell 10 are connected with each other.In cylinder 31 and shell 10 in the insertion of crankshaft 40 the
Before one inner hole 321 in embodiment interconnected, unitary member is compared, the assembly of compressor is more flexible, and without production
New mold, while can reduce the gap between component also in favor of the miniaturization of compressor；It is connected with each other before assembly
Rather than welding can prevent the thermal deformation of the other component as caused by welding after assembling, and then lead to the problem of what contraposition was not allowed.Cylinder
31 are optionally as powder metallurgy or cast iron or steel, thus no matter can all have during connection or integrated molding good
Hardness.
In addition, in the present embodiment, the internal diameter of shell 10 and the concentricity of third inner hole 331 are less than 0.5mm.Concentricity
It is exactly to be less than 0.5mm in the distance between the central axis 101 of shell 10 and the axis of third inner hole 331.Due to upper cylinder cover 32 with
Cylinder 31 connects, and can be generally remained as positioning datum when crankshaft 40 is inserted into the first inner hole 321 by the axis of cylinder
In the central axis of shell 10, when the rotor of motor and stator sleeve are set on crankshaft 40, it can be achieved that rotor and stator assemble base
Standard is mutually unified with positioning datum, while reducing rotor offset, so that rotor air gap is more uniform, compressor complete machine is made an uproar
Sound makes moderate progress.Specifically, the stator of motor can be directly fixed on the inner circumferential circle of shell 10.In this way, due to shell
Positioning datum of the inner circumferential circle of body 10 as motor stator, positioning datum of the third inner hole 321 as rotor, in third
Hole 321 and 10 inner circumferential circle concentricity of shell are less than 0.5mm, thereby may be ensured that rotor and stator almost coaxial, reach between the two
To splendid clearance fit effect, reduce abrasion and noise.
Corresponding to above-mentioned first embodiment and second embodiment, the present invention also provides a kind of manufacturing method of compressor, pressures
Contracting machine has any structure as described above.The manufacturing method includes: offer integrated shell, the upper cylinder cover or described
Cylinder and the shell integrally turn to the integrated shell, the concentricity of the upper cylinder cover or the cylinder and the shell
Less than 0.5mm；The crankshaft is inserted into first inner hole of the upper cylinder cover, the crankshaft is set with first female coaxial
It sets；The rotor of the motor is socketed on the crankshaft, the rotor and the crankshaft are coaxially disposed；And by the motor
Stator fixed with the integrated shell, and be assemblied on the outside of the rotor, the stator and the integrated shell are coaxial
Setting has air gap between the stator and the rotor.The present invention also provides the manufacturing method of another above-mentioned compressor,
Manufacturing method includes: that the upper cylinder cover or the interconnection of the cylinder and the shell are made the upper cylinder cover or the gas
The concentricity of cylinder and the shell is less than 0.5mm；The crankshaft is inserted into first inner hole of the upper cylinder cover, the crankshaft
It is arranged with first female coaxial；The rotor of the motor is socketed on the crankshaft, the rotor and the crankshaft are same
Axis setting；And the stator of the motor and the integrated shell are fixed, and is assemblied on the outside of the rotor, the stator
It is coaxially disposed with the integrated shell, there is air gap between the stator and the rotor.
Due to having used the above technology, compressor of the invention and manufacturing method realize reference for assembling and positioning datum
It is mutually unified；Compressor is in assembling process, unstressed release, effectively reduces welding deformation, reduces rotor offset, so that fixed
Rotor airgap is more uniform, and compressor total noise of centrifuge makes moderate progress.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute
Disclosed embodiment, on the contrary, it is intended to cover comprising various modifications within the scope of the appended claims and equivalent set
It changes.
Claims (10)
1. a kind of compressor characterized by comprising
Shell has a central axis；
Upper cylinder cover is located in the shell, and the first inner hole of the central axis is parallel to an axis；
Lower cylinder cap is located in the shell, the second inner hole with one with first female coaxial；
Motor and cylinder are placed in the shell, the third inner hole that there is the cylinder axis to be parallel to the central axis；
The rotary force of the motor is passed to the piston in the cylinder by crankshaft, and to compress refrigerant, the crankshaft is inserted into institute
State the first inner hole, third inner hole and the second inner hole；
Wherein, before the crankshaft is inserted into first inner hole,
The upper cylinder cover or the cylinder are integrated component with the shell；Or
The upper cylinder cover or the cylinder have been connected with each other with the shell.
2. compressor as described in claim 1, which is characterized in that before the crankshaft is inserted into first inner hole, it is described on
Cylinder cap is connected with each other with the shell for integrated component or with the shell,
The concentricity of the internal diameter of the shell and first inner hole is less than 0.5mm.
3. compressor as described in claim 1, which is characterized in that before the crankshaft is inserted into first inner hole, the gas
Cylinder is connected with each other with the shell for integrated component or with the shell,
The concentricity of the internal diameter of the shell and the third inner hole is less than 0.5mm.
4. compressor as described in claim 1, which is characterized in that the shell include the top that is divided by the upper cylinder cover and
Lower part, height H of the upper part of the housing on the central axis1≥h1/5+h2+h3,
Wherein, h1For the folded thickness of the motor, h2For height of the lateral coil on the central axis under the stator of the motor, h3
For the lower lateral coil to the safe electrical appliance distance apart from nearest component, h3Greater than 1mm.
5. compressor as described in claim 1, which is characterized in that height H of the shell on the central axis with it is described
Ratio H/D >=0.3 of the outer diameter D of shell.
6. such as compressor described in any one of claim 1 to 5, which is characterized in that the upper cylinder cover or the cylinder and institute
Shell is stated to dig out by casting, forging, solid material except material forms unitary member.
7. such as compressor described in any one of claim 1 to 5, which is characterized in that the upper cylinder cover or the cylinder and institute
Shell is stated to be connected with each other by welding, glue bonding, hot jacket, cold pressing, bushing bracket, ring flange.
8. such as compressor described in any one of claim 1 to 5, which is characterized in that the upper cylinder cover or the cylinder are powder
Last metallurgy or cast iron or steel.
9. a kind of manufacturing method of compressor, the compressor has structure as claimed in any one of claims 1 to 8, special
Sign is that the manufacturing method includes:
Integrated shell, the upper cylinder cover or the cylinder are provided and the shell integrally turns to the integrated shell, institute
The concentricity for stating upper cylinder cover or the cylinder and the shell is less than 0.5mm；
The crankshaft is inserted into first inner hole of the upper cylinder cover, the crankshaft and first female coaxial are arranged；
The rotor of the motor is socketed on the crankshaft, the rotor and the crankshaft are coaxially disposed；And
The stator of the motor and the integrated shell are fixed, and are mounted on the outside of the rotor, the stator with it is described
Integrated shell coaxial arrangement, has air gap between the stator and the rotor.
10. a kind of manufacturing method of compressor, the compressor has structure as claimed in any one of claims 1 to 8, special
Sign is that the manufacturing method includes:
By the upper cylinder cover or the cylinder and shell interconnection make the upper cylinder cover or the cylinder with it is described
The concentricity of shell is less than 0.5mm；
The crankshaft is inserted into first inner hole of the upper cylinder cover, the crankshaft and first female coaxial are arranged；
The rotor of the motor is socketed on the crankshaft, the rotor and the crankshaft are coaxially disposed；And
The stator of the motor and the integrated shell are fixed, and are mounted on the outside of the rotor, the stator with it is described
Integrated shell coaxial arrangement, has air gap between the stator and the rotor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792695.5A CN109424515B (en) | 2017-09-05 | 2017-09-05 | Compressor and manufacturing method thereof |
| PCT/CN2018/076422 WO2019047477A1 (en) | 2017-09-05 | 2018-02-12 | Compressor and fabrication method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792695.5A CN109424515B (en) | 2017-09-05 | 2017-09-05 | Compressor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109424515A true CN109424515A (en) | 2019-03-05 |
| CN109424515B CN109424515B (en) | 2020-12-08 |
Family
ID=65513517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710792695.5A Active CN109424515B (en) | 2017-09-05 | 2017-09-05 | Compressor and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109424515B (en) |
| WO (1) | WO2019047477A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855535A (en) * | 2019-11-27 | 2021-05-28 | 上海海立电器有限公司 | Compressor cylinder reaches compressor including it |
| CN115681152A (en) * | 2021-08-30 | 2023-02-03 | 广州市德善数控科技有限公司 | Compressor and manufacturing method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200363A (en) * | 2005-01-18 | 2006-08-03 | Fujitsu General Ltd | Hermetic compressor |
| CN101070844A (en) * | 2006-05-12 | 2007-11-14 | 乐金电子(天津)电器有限公司 | Improved compressor |
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| CN105114314A (en) * | 2015-08-03 | 2015-12-02 | 广东美芝制冷设备有限公司 | Rotary compressor and assembly method thereof |
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| CN101782069A (en) * | 2010-02-25 | 2010-07-21 | 西安庆安制冷设备股份有限公司 | Closed rotor compressor and method for manufacturing same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109424515B (en) | 2020-12-08 |
| WO2019047477A1 (en) | 2019-03-14 |
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