CN209414168U - A kind of compressor and the air-conditioning comprising it - Google Patents
A kind of compressor and the air-conditioning comprising it Download PDFInfo
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- CN209414168U CN209414168U CN201821962467.4U CN201821962467U CN209414168U CN 209414168 U CN209414168 U CN 209414168U CN 201821962467 U CN201821962467 U CN 201821962467U CN 209414168 U CN209414168 U CN 209414168U
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- crankshaft
- magnetic part
- rotor
- compressor
- magnetic
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Abstract
The utility model provides a kind of compressor and the air-conditioning comprising it, is related to technical field of refrigeration equipment.Including shell, crankshaft and rotor, the enclosure interior forms accommodating chamber, and the crankshaft and the rotor are set in the accommodating chamber；The crankshaft includes the first shaft part and the second shaft part, and first shaft part is fixed with the rotor, and the end face of second shaft part is provided with the first magnetic part；Place opposite with first magnetic part is provided with the second magnetic part on the inner wall of the shell；Second magnetic part is magnetic opposite with first magnetic part.By crankshaft described in the attraction dragsaw between second magnetic part and first magnetic part, while the attraction can be transferred to the rotor by the crankshaft；To reduce the crankshaft and the rotor is beated upwards, so as to improve the noise problem generated by other components of crankshaft crash compresses machine, the stability of crankshaft is improved, and then promote the stability that compressor is run.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, in particular to a kind of compressor and include its air-conditioning.
Background technique
In recent years, rotary compressor development is swift and violent, but there are the abrasion of compressor inner body, noise are abnormal in use process
The problem of.Wherein in rotary compressor operational process, crankshaft and the main stress of rotor are respectively gravity, frictional force and gas
Power, when compressor rotary speed is higher, internal gas pressure pulsation increase, the gas force that crankshaft and rotor are subject to be greater than gravity and
When the summation of frictional force, the phenomenon that crankshaft and rotor will appear upward bounce, lead to the appearance of impact noise, while causing zero
Part abrasion.
Utility model content
To solve crankshaft and rotor occur due to discontinuity equalization in compressor high-speed cruising in the prior art play, leading
The technical issues of causing noise, the main purpose of the utility model is that, a kind of reductions crankshaft play, promotion crankshaft stability are provided
Compressor and air-conditioning comprising it.
In a first aspect, a kind of compressor that an embodiment of the present invention provides, including shell, crankshaft and rotor, it is described
Enclosure interior forms accommodating chamber, and the crankshaft and the rotor are set in the accommodating chamber；
The crankshaft includes the first shaft part and the second shaft part, and first shaft part is fixed with the rotor, second axis
The end face of section is provided with the first magnetic part；Place opposite with first magnetic part is provided with the second magnetic on the inner wall of the shell
Property part；Second magnetic part is opposite with the magnetism of first magnetic part opposite side.
Further, in one preferred embodiment of the utility model, first magnetic part is magnetisable coating, described
Second magnetic part is magnet.
Further, in one preferred embodiment of the utility model, second magnetic part is patty.
Further, in one preferred embodiment of the utility model, the orthographic projection of first magnetic part be located at
The center of second magnetic part is on the circle in the center of circle.
Further, in one preferred embodiment of the utility model, the shell includes sequentially connected upper cover, outer
Shell and lower cover are provided with second magnetic part on the inner wall of the lower cover.
Further, in one preferred embodiment of the utility model, the lower cover is the lid of magnetic material, described
Lower cover is fixedly connected with second magnetic part by magnetic force.
Further, in one preferred embodiment of the utility model, the lower cover is irony lid.
Further, in one preferred embodiment of the utility model, the crankshaft further includes being set to described first
Eccentric shaft between shaft part and second shaft part, the cylinder operation that the eccentric shaft is located at the compressor are intracavitary.
Further, in one preferred embodiment of the utility model, be additionally provided on the crankshaft upper bearing (metal) and under
Bearing.
Second aspect, the utility model embodiment provide a kind of air-conditioning, including compressor described in any of the above embodiments.
A kind of compressor provided by the embodiment of the utility model and the air-conditioning comprising it, at the second shaft part end of the crankshaft
First magnetic part, and second magnetic part on the inner wall that the shell is arranged are set on face, pass through second magnetic
Crankshaft described in attraction dragsaw between property part and first magnetic part, while the attraction can be transferred to by the crankshaft
The rotor；To reduce the crankshaft and the rotor is beated upwards, so as to improve by crankshaft crash compresses other yuan of device of machine
The noise problem that part generates improves the stability of crankshaft, and then promotes the stability of compressor operation.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the compressor that an embodiment of the present invention provides；
Fig. 2 is the stress diagram of the crankshaft that an embodiment of the present invention provides and rotor.
Appended drawing reference:
11 upper cover of 1- shell, 12 shell, 13 lower cover, 131 second magnetic part
2 pump assembly, 21 cylinder, 22 roller, 23 upper bearing (metal), 24 lower bearing, 25 crankshaft
251 first shaft part, 252 eccentric shaft, 253 second shaft part, 254 first magnetic part
3 rotor, 4 stator, 5 exhaust pipe, 6 dispenser
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the application embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is according to the structural schematic diagram of the compressor shown in an embodiment of the present invention, and Fig. 2 is practical new according to this
Type one implements the stress diagram of the crankshaft 25 and rotor 3 that exemplify.As shown in Figure 1 to Figure 2, the utility model embodiment provides
Compressor, including shell 1,3 component of rotor, stator 4 and pump assembly 2, wherein 3 component of rotor includes rotor 3, is turned
Son 3 is rotatablely connected with stator 4, the stator 4 and 1 elastic conjunction of shell；The shell 1 includes sequentially connected upper cover
11, shell 12 and lower cover 13, upper cover 11, shell 12 and lower cover 13 surround the accommodating chamber of shell 1；Pump assembly 2 include cylinder 21,
Roller 22, crankshaft 25, upper bearing (metal) 23 and lower bearing 24, pump assembly 2 are set in the accommodating chamber of shell 1.Compressor is set
It is equipped with exhaust pipe 5, and is connected with dispenser 6.
Wherein, as shown in Figure 1, an embodiment of the present invention provide a kind of compressor, including shell 1, crankshaft 25 and
Rotor 3 forms accommodating chamber inside the shell 1, and the crankshaft 25 and the rotor 3 are set in the accommodating chamber.
The crankshaft 25 includes the first shaft part 251, the second shaft part 253 and eccentric shaft 252, and eccentric shaft 252 is set to described
Between first shaft part 251 and second shaft part 253, the eccentric shaft 252 is located in the working chamber of the cylinder 21；Described
One shaft part 251 and the rotor 3 are fixed, and rotor 3 and first shaft part 251 are interference fitted in the present embodiment；Second axis
The end face of section 253 is provided with the first magnetic part 254；It is set on the inner wall of the shell 1 with the opposite place of first magnetic part 254
It is equipped with the second magnetic part 131；The magnetism of second magnetic part 131 and 254 opposite side of the first magnetic part on the contrary, the two it
Between have mutual attractive force.
A kind of compressor provided by the embodiment of the utility model is arranged on 253 end face of the second shaft part of the crankshaft 25
First magnetic part 254, and second magnetic part 131 on the inner wall that the shell 1 is set, it is magnetic by described second
Crankshaft 25 described in attraction dragsaw between part 131 and first magnetic part 254, while the crankshaft 25 can be by the attraction
Power is transferred to the rotor 3；It beats to reduce the crankshaft 25 and the rotor 3, is collided so as to improve by crankshaft 25 upwards
The noise problem that other components of compressor generate, while reducing collision and causing parts wear；The stability of crankshaft 25 is improved,
And then promote the stability of compressor operation.
In order to guarantee to have between second magnetic part 131 and first magnetic part 254 enough attractions, preferably
Ground, in the compressor that the utility model one embodiment provides, 131 patty of the second magnetic part.The utility model one
In a preferred embodiment, the orthographic projection of first magnetic part 254 is located at using the center of second magnetic part 131 as the center of circle
Circle on；Guarantee the second magnetic part 131 to the attraction of the first magnetic part 254 can stepless action in first magnetic part
On 254.
Consider the normal rotation for not influencing crankshaft, the second magnetic part 131 described in above-described embodiment is magnet, and magnet has one
Determine weight, be set on static shell, the center of gravity of compressor will not be impacted while can reduced to crankshaft；Described first
Magnetic part 254 is magnetisable coating, and magnetisable coating can be the magnetizable metal coating such as iron or magnetisable coating is and the second magnetism
The different magnetisable coating of 131 polarity of part；If crankshaft itself is also irony, increase coating can appropriate lifting force effect.
Meanwhile in the present embodiment, the second magnetic part 131 described in magnet etc. is provided on the inner wall of the lower cover 13, such as
Shown in Fig. 1, the second magnetic part 131 is located at the centre of lower cover 13.Flat the second cylindrical magnetic part 131 has enough
Forced area can produce enough suction when the lower cover 13 with irony adsorbs fixed, the second magnetic part 131 enable to stablize
Be fixed on lower cover 13, so that it is guaranteed that suction of second magnetic part 131 to crankshaft 25.
Lower cover 13 described in the present embodiment is irony, and the lower cover 13 can be solid by magnetic force with second magnetic part 131
Fixed connection.Or second magnetic part such as magnet 131 can also be welded on lower cover 13.Magnet and lower cover 13 are stationary parts, are turned
Son 3 is connected with the interference fit of crankshaft 25；Rotor 3 is rotating with crankshaft 25, and by biggish gas force when can be axial
Bounce, therefore under magnet and the effect of the magnet power that there is a natural attraction between the sexes of magnetisable coating 254, rotor 3 and 25 axis of crankshaft can be effectively improved
Impact noise and parts depreciation are led to the problem of to bounce.
Wherein, as shown in Fig. 2, in the compressor that the utility model one embodiment provides, the stress of crankshaft 25 and rotor 3
It include: second magnetic part 131 is F1 to the attraction of first magnetic part 254, the crankshaft 25 and the rotor 3
Gravity is F2, and suffered frictional force along its axial direction is F3, the gas generated inside the compressor in 25 operational process of crankshaft
Physical strength is F4, and the sum of F1, F2 and F3 are greater than or equal to F4.In addition, in the present embodiment, the magnet inside compressor electric motor also can
One downward magnetic force F5 is generated to crankshaft 25 and rotor 3, the sum of F1, F2, F3 and F5 are greater than or equal to F4 at this time, so that compression
During high-speed cruising, crankshaft 25 and rotor 3 will not avoid machine because of gas force play excessive inside excessive compressor
Noise and abrasion.
Meanwhile in compressor high frequency operational process, crankshaft 25 and rotor 3 are under the action of uneven centrifugal force, crankshaft 25
Amount of deflection increases, and rotor 3 is also easy to produce the phenomenon that swinging, and causes rotor 3 and stator 4 to collide and generates impact noise and part mill
It damages, the magnet on lower cover 13 generates attraction to the rotor 3 of irony, is supplied to 3 one downward pulling force of rotor, and it is left to reduce rotor 3
The problem of right swing, improvement rotor 3 and stator 4 collide, reduces 25 amount of deflection of crankshaft indirectly, promotes crankshaft 25 and compressor is run
Stability.
In a specific embodiment, compressor rotary speed does not exceed 120 revolutions per seconds, when compressor is with 80-90 revolutions per seconds
Revolving speed operation when, biggish gas force F4 is generated inside compressor, can make crankshaft 25 and rotor 3 that play occur.The crankshaft
25 and the rotor 3 attraction F1, the crankshaft to first magnetic part 254 of gravity F2, second magnetic part 131
The torque for the magnetic force F5 that the suffered magnet inside its axial frictional force F3 and compressor electric motor generates in 25 operational process is equal
Under same boundary, general single motor gas force is no more than 40N, and at 0.2bar, which refers to gas force difference: on
The difference of the gas force in the cavity between the gas force and upper bearing (metal) and lower cover in cavity between bearing and motor.By setting
The magnetic force adjustment for the second magnetic part 131 set acts on, then the stress of crankshaft 25 can be effectively adjusted, so that crankshaft 25 and rotor 3
More downward power, reduce 25 play of crankshaft, so that it is axial to be effectively improved crankshaft 25 during compressor high-speed cruising
Bounce leads to the problem of impact noise and parts depreciation, promotes the stability and service life of compressor.
In addition, the magnet being arranged on lower cover 13 can also be right since pump assembly 2, rotor 3 etc. are irony materials
Ferrite members other than the first magnetic part 254 generate attraction, thus to be arranged on crankshaft 25 upper bearing (metal) 23, lower axle
It holds 24 equal pump assemblies 2 and generates downward pulling force, although this pulling force can be small relative to the pulling force of crankshaft 25, due to these pumps
Body component 2 is combined closely with crankshaft 25, therefore the downward pulling force for being subject to crankshaft 25 is bigger, can effectively reduce 25 play of crankshaft,
Less crankshaft 25 generates impact noise and parts depreciation along its axial runout.
Moreover, second magnetic part 131 such as setting magnet can effectively increase compressor bottom centre weight on lower cover 13,
Compressor center of gravity is reduced, compressor stationarity is increased, compressor is made to reduce vibration.Especially to single cylinder compressor, vibration reduces bright
It is aobvious.
An embodiment of the present invention additionally provides a kind of assemble flow of rotary compressor:
Pump assembly 2 assembles, the assembly such as lower bearing 24, cylinder 21, upper bearing (metal) 23, crankshaft 25 and roller 22, and passes through spiral shell
Nail locking；
Rotor 3 and 25 elastic conjunction of crankshaft, stator 4 and 12 elastic conjunction of shell；
Magnetisable coating crosses the lower end surface in 25 second shaft part 253 of crankshaft；
It is arranged what the magnet anisotropic with magnetisable coating 254, magnet and lower cover 13 were inhaled by magnet and iron phase on lower cover 13
Mode adsorbs fixation；
Upper cover 11, shell 12, lower cover 13 and dispenser 6 etc. are welded and fixed.
3 compressor of a kind of rotor provided by the embodiment of the utility model, by research compressor high-frequency anomaly strike note with
Pump housing stress relationship, confirmation 25 play of compressor crank shaft and compressor high-frequency anomaly strike note relationship.Improving 25 play of crankshaft can
Improve the strike note of compressor high-frequency anomaly.It is had the following technical effect that using the compressor of the application
By the setting of the second magnetic part 131 and the first magnetic part 254, crankshaft 25 can be effectively reduced and rotor 3 is jumped upwards
It is dynamic, reduce noise and parts depreciation；
25 degree of disturbing of crankshaft is reduced, operation stability is improved；
Increase compressor bottom centre weight, reduce compressor center of gravity, compressor is made to reduce vibration.
Another embodiment of the utility model additionally provides a kind of air-conditioning, including compressor described in any of the above embodiments.
In the description of the present invention, it should be understood that term " on ", "lower", "vertical", "horizontal", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " be orientation based on the figure or
Corresponding orientation when positional relationship namely air-conditioning normal mounting.It is merely for convenience of describing the present invention and simplifying the description, and
It is not that the equipment of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of compressor, which is characterized in that including shell (1), crankshaft (25) and rotor (3), formed inside the shell (1)
Accommodating chamber, the crankshaft (25) and the rotor (3) are set in the accommodating chamber；
The crankshaft (25) includes the first shaft part (251) and the second shaft part (253), first shaft part (251) and the rotor
(3) fixed, the end face of second shaft part (253) is provided with the first magnetic part (254)；On the inner wall of the shell (1) with
First magnetic part (254) is provided with the second magnetic part (131) with respect to place；Second magnetic part (131) and described first
The magnetism of magnetic part (254) opposite side is opposite.
2. compressor according to claim 1, which is characterized in that first magnetic part (254) is magnetisable coating, described
Second magnetic part (131) is magnet.
3. compressor according to claim 1, which is characterized in that second magnetic part (131) is patty.
4. compressor according to claim 3, which is characterized in that the orthographic projection of first magnetic part (254) be located at
The center of second magnetic part (131) is on the circle in the center of circle.
5. compressor according to claim 1, which is characterized in that the shell (1) include sequentially connected upper cover (11),
Shell (12) and lower cover (13) are provided with second magnetic part (131) on the inner wall of the lower cover (13).
6. compressor according to claim 5, which is characterized in that the lower cover (13) is the lid of magnetic material, described
Lower cover (13) is fixedly connected with second magnetic part (131) by magnetic force.
7. compressor according to claim 6, which is characterized in that the lower cover (13) is irony lid.
8. compressor according to claim 1, which is characterized in that the crankshaft (25) further includes being set to the first axle
Eccentric shaft (252) between section (251) and second shaft part (253), the eccentric shaft (252) are located at the gas of the compressor
In cylinder (21) working chamber.
9. compressor according to claim 1, which is characterized in that be additionally provided on the crankshaft (25) upper bearing (metal) (23) and
Lower bearing (24).
10. a kind of air-conditioning, which is characterized in that including the described in any item compressors of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962467.4U CN209414168U (en) | 2018-11-26 | 2018-11-26 | A kind of compressor and the air-conditioning comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962467.4U CN209414168U (en) | 2018-11-26 | 2018-11-26 | A kind of compressor and the air-conditioning comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414168U true CN209414168U (en) | 2019-09-20 |
Family
ID=67935397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821962467.4U Active CN209414168U (en) | 2018-11-26 | 2018-11-26 | A kind of compressor and the air-conditioning comprising it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322829A (en) * | 2018-11-26 | 2019-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and the air-conditioning comprising it |
| CN114542467A (en) * | 2022-02-11 | 2022-05-27 | 珠海格力电器股份有限公司 | Flange assembly, pump body assembly and rotor compressor |
-
2018
- 2018-11-26 CN CN201821962467.4U patent/CN209414168U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322829A (en) * | 2018-11-26 | 2019-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and the air-conditioning comprising it |
| CN114542467A (en) * | 2022-02-11 | 2022-05-27 | 珠海格力电器股份有限公司 | Flange assembly, pump body assembly and rotor compressor |
| CN114542467B (en) * | 2022-02-11 | 2023-02-28 | 珠海格力电器股份有限公司 | Flange assembly, pump body assembly and rotor compressor |
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