CN209344880U - Compressor drum, compressor and coolant circulating system - Google Patents
Compressor drum, compressor and coolant circulating system Download PDFInfo
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- CN209344880U CN209344880U CN201822189835.2U CN201822189835U CN209344880U CN 209344880 U CN209344880 U CN 209344880U CN 201822189835 U CN201822189835 U CN 201822189835U CN 209344880 U CN209344880 U CN 209344880U
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Abstract
Present disclose provides a kind of compressor drum, compressor and coolant circulating systems.Compressor drum includes: rotor, multiple rotor sections including being axially fixed connection, and multiple rotor sections have axially extending bore；Check lock lever runs through axially extending bore；Compression unit rotation section, positioned at rotor end and be connected on check lock lever；And locking member, compression unit rotation section is locked on check lock lever, check lock lever, compression unit rotation section and locking member form the compressing structure applied to rotor towards the pressure of axially inner side.The compressor drum of the disclosure can make to connect between each rotor section of the rotor with multiple rotor sections relatively reliable secured while segmental machining rotor.
Description
Technical field
This disclosure relates to compressor and refrigeration technology field, in particular to a kind of compressor drum, compressor and refrigerant follow
Loop system.
Background technique
Compressor, especially high speed degree type compressor, such as centrifugal compressor, compressor drum revolve at a high speed at work
Turn, reliable bearing is needed to be supported rotor.Under normal conditions, the bearing that the compressor drum of compressor uses is to roll
Bearing or filmatic bearing.Since rolling bearing and filmatic bearing bearing capacity are higher, the rotor that compressor uses is usually one
The compressor drum weight of body formula structure, the integral structure is relatively heavy, is unfavorable for the promotion of critical rotor speed.It is making
When biggish compressor drum, the rotor process of integral structure is relative complex and relatively high to equipment requirement,
It will increase cost.For fluid system, such as the compressor in coolant circulating system, when using rolling bearing or filmatic bearing, pressure
Contracting machine needs the oil feeding line system of additional oil lubrication system and complexity, needs to increase oil separation in coolant circulating system
System, it is complex, huge that this will lead to coolant circulating system.
Utility model content
The disclosure is designed to provide a kind of compressor drum, compressor and coolant circulating system.
Disclosure first aspect provides a kind of compressor drum, comprising:
Rotor, multiple rotor sections including being axially fixed connection, the multiple rotor section have axially extending bore；
Check lock lever runs through the axially extending bore；
Compression unit rotation section, positioned at the rotor end and be connected on the check lock lever；With
The compression unit rotation section is locked on the check lock lever by locking member, and the check lock lever, the compression are single
First rotation section and the locking member form the compressing structure applied to the rotor towards the pressure of axially inner side.
In some embodiments, the compression unit rotation section and the tight lock part is respectively set in the both ends of the check lock lever
Part.
In some embodiments,
The end of the check lock lever is equipped with external screw thread；
The locking member includes the locking nut with external screw thread cooperation.
In some embodiments, the axially extending bore includes:
Path section；With
Major diameter section, diameter are greater than the path section.
In some embodiments, the check lock lever includes:
The body of rod, with the path section clearance fit；With
Protrusion is set on the body of rod, is protruded from the body of rod to radial outside, the protrusion and the major diameter
Section clearance fit.
In some embodiments, the protrusion is bulge loop.
In some embodiments,
The axial middle part of the rotor includes permanent magnet, and the path section is located in the axial direction of the axially extending bore
Portion, two major diameter sections are located at the both ends of the axially extending bore；
The check lock lever includes two protrusions, and described two protrusions cooperate with described two major diameter sections respectively.
In some embodiments,
One in described two protrusions is the fixation protrusion being fixed on the body of rod, another is relative to institute
State the mobilizable movable protrusion of the body of rod；Or,
Described two protrusions are relative to the mobilizable movable protrusion of the body of rod.
In some embodiments, the inner wall of the movable protrusion and the axially extending bore is cooperated by key with described in limiting
The circumferential position of movable protrusion.
In some embodiments, the shaft shoulder is set on the body of rod, and the activity protruding parts is in the rotor at place
Between the end face of one end and the shaft shoulder.
In some embodiments, the compression unit rotation section of one end of the rotor where the movable protrusion
Including protruding into the axial boss inside the axially extending bore, the activity protrusion is along axial limiting in the shaft shoulder and the axis
To between the end face of boss.
In some embodiments, the fixed protrusion is less than the body of rod with the fit clearance of the corresponding major diameter section
With the fit clearance of the path section.
In some embodiments,
The activity protrusion is interference fitted with the corresponding major diameter section；And/or
The activity protrusion and the body of rod clearance fit.
In some embodiments, the multiple rotor section includes:
Permanent magnet；
First end shaft part is fixedly installed on one end of the permanent magnet；With
The second end shaft part is fixedly installed on the other end of the permanent magnet.
In some embodiments, the compression unit rotation section includes centrifugal impeller.
Disclosure second aspect provides a kind of compressor, including compressor drum described in disclosure first aspect.
In some embodiments, the compressor includes gas bearing, and the compressor drum is supported in the gas axis
It holds.
The disclosure third aspect provides a kind of coolant circulating system, including compressor described in disclosure second aspect.
Based on the compressor drum that the disclosure provides, rotor includes the multiple rotor sections for being axially fixed connection,
Check lock lever is worn inside rotor, check lock lever, compression unit rotation section and locking member, which are formed, applies court to rotor
The compressing structure of the pressure of inside in the axial direction, can make the electricity with multiple rotor sections while segmental machining rotor
It is connected between each rotor section of machine rotor relatively reliable secured.
The compressor drum that there is the compressor and coolant circulating system that the disclosure provides the disclosure to provide has the advantage that.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes part of this application, this public affairs
The illustrative embodiments and their description opened do not constitute the improper restriction to the disclosure for explaining the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the compressor drum of one embodiment of the disclosure.
Fig. 2 is the schematic cross-sectional view of the rotor of the compressor drum of embodiment illustrated in fig. 1.
Fig. 3 is the structural schematic diagram of the movable protrusion of the check lock lever of the compressor drum of embodiment illustrated in fig. 1.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the disclosure, it is to be understood that limit components using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as the limitation to disclosure protection scope.
In the description of the disclosure, it is to be understood that each noun of locality such as " front, rear, top, and bottom, left and right ", " lateral, perpendicular
To, it is vertical, horizontal " and " top, bottom " etc., be merely for convenience of the description disclosure and simplify to describe, in the feelings for not making to illustrate on the contrary
Under condition, these nouns of locality do not indicate that and imply that signified device or element must have a particular orientation or with specific side
Position construction and operation, therefore should not be understood as the limitation to disclosure protection scope；The noun of locality " inside and outside " refers to relative to each portion
The profile of part itself it is inside and outside.
As shown in Figure 1 to Figure 3, the embodiment of the present disclosure provides a kind of compressor drum.The compressor drum includes that motor turns
Son 10, check lock lever 20, compression unit rotation section and locking member.
As shown in Figure 1, rotor 10 includes the multiple rotor sections for being axially fixed connection, multiple rotor sections have axial
Through-hole 15.Check lock lever 20 runs through axially extending bore 15.Compression unit rotary part in rotor 10 end and be connected to locking
On bar 20.Compression unit rotation section is locked on check lock lever 20 by locking member.Check lock lever, compression unit rotation section and tight lock part
Part forms the compressing structure applied to rotor 10 towards the pressure of axially inner side.
In the compressor drum of the disclosure, rotor 10 includes the multiple rotor sections for being axially fixed connection, in motor
Check lock lever 20 is worn inside rotor 10, check lock lever, compression unit rotation section and locking member, which are formed, applies court to rotor 10
The compressing structure of the pressure of inside in the axial direction, can make have multiple rotor sections while segmental machining rotor 10
It is connected between each rotor section of rotor 10 relatively reliable secured.
As shown in Figure 1, in some embodiments, compressor can be centrifugal compressor, compression unit rotation section is centrifugation
The centrifugal impeller of compressor.Compression unit rotation section only can be set in the side of rotor, it can also be in rotor
Compression unit rotation section is respectively set in two sides.The compression unit rotation section of every side can be single-stage, be also possible to multistage.
For example, compression unit rotation section be impeller when, the quantity of the impeller of rotor side can be one, be also possible to two with
On.
In some embodiments, the both ends of check lock lever 20 are separately connected compression unit rotation section.
In some embodiments, the end of check lock lever 20 is equipped with external screw thread, and locking member includes the outer spiral shell with check lock lever 20
The locking nut of line cooperation.
As shown in Figure 1, in some embodiments, compressor drum includes rotor 10, first-stage centrifugal impeller 30 and two
Grade centrifugal impeller 50.The left and right ends of check lock lever 20 are respectively equipped with external screw thread.First-stage centrifugal impeller 30 is by as locking member
The first locking nut 40 lock onto the left end of check lock lever 20.Two-stage centrifugal impeller 50 passes through the second lock as locking member
Tight nut 60 lock onto the right end of check lock lever 20.
As depicted in figs. 1 and 2, in some embodiments, axially extending bore 15 includes that path section 151 and diameter are greater than path
The major diameter section of section 151.
Axially extending bore 15 includes the major diameter section that path section 151 and diameter are greater than path section 151, can be according to rotor 10
The property of each rotor section rotor is made as hollow structure as much as possible, to be conducive to mitigate rotor 10 and compression
The overall weight of machine rotor, conducive to the critical speed for improving compressor drum.
In some embodiments, check lock lever 20 includes the body of rod 21 and protrusion.The path section of the body of rod 21 and axially extending bore 15
151 cooperations.Protrusion is set on the body of rod 21, is protruded from the body of rod 21 to radial outside, the major diameter of protrusion and axially extending bore 15
Duan Peihe.
Protrusion is set, check lock lever 20 can be improved on the basis of not increasing the overall weight of compressor drum excessively
Overall stiffness, thus be conducive to compressor drum dynamic balancing.
In some embodiments, protrusion is bulge loop.Bulge loop can provide the support of circumferential each position for the body of rod 21, be conducive to
The dynamic balancing of compressor drum.
In some embodiments, the axial middle part of rotor 10 includes permanent magnet 11, and path section 151 is located at axially extending bore
15 axial middle part, two major diameter sections are located at the both ends of axially extending bore 15.As depicted in figs. 1 and 2, two major diameter sections point
It Wei not the first major diameter section 152 positioned at rotor left end and the second major diameter section 153 positioned at 10 right end of rotor.
For the rotor 10 with multiple rotor sections, axial middle part is generally the setting position of permanent magnet,
Path section is arranged in the part, it is possible to reduce influence of the setting axially extending bore to permanent magnet.The axial ends of rotor 10 is then
Major diameter section is arranged at the position in nonmagnetic material, conducive to the overall weight for mitigating rotor and compressor drum, to be conducive to mention
The critical speed of high compressor rotor.
As shown in Figure 1, check lock lever 20 includes two protrusions, two protrusions cooperate with two major diameter sections respectively.This sets
The overall stiffness for being conducive to improve check lock lever 20 is set, to be conducive to the dynamic balancing of compressor drum.
As shown in Figure 1, one in two protrusions is the fixation protrusion 22 being fixed on the body of rod 21, another is phase
Movable protrusion 23 mobilizable for the body of rod 21.Fixed protrusion 22 and movable protrusion 23 is respectively set, is conducive to check lock lever
20 with the assembling of rotor 10.
In embodiment as shown in Figure 1, fixed protrusion 22 and the cooperation of the first major diameter section 152, movable protrusion 23 and the
The cooperation of two major diameter sections 153.
In some embodiments (not shown), it is convex relative to the mobilizable activity of the body of rod for being also possible to two protrusions
Portion out.
In some embodiments, the inner wall of movable protrusion 23 and axially extending bore 15 is cooperated by key with limitation activity protrusion
Circumferential position of the portion 23 relative to axially extending bore 15.
As shown in Figure 1 to Figure 3, keyway 1531 is equipped on the hole wall of the second major diameter section 153, in the outer of movable protrusion 23
Week is equipped with key 232.When the centre bore 231 of movable protrusion 23 is set in the axially extending bore 15 for being arranged in rotor 10
The body of rod 21 and the second major diameter uncommon 153 inner wall between when, key 232 and keyway 1531 cooperate, the circumferential position of movable protrusion 23
It sets and is defined.
Fig. 1 illustrates only the form of square key into Fig. 3, and in embodiment (not shown), key is also possible to be fixed on motor
It is on rotor and slot is set on movable protrusion；Key be also possible to it is independent, on rotor 10 and movable protrusion point
It She Zhi not keyway.The form of key is also not necessarily limited to square key, can also be round key, woodruff key or spline etc..
As shown in Figure 1, in some embodiments, the shaft shoulder is arranged on the body of rod 21, movable protrusion 23 is located at the motor at place
Between the end face and the shaft shoulder of one end of rotor 10.For example, movable protrusion 23 can be resisted against on the shaft shoulder.The setting, which is conducive to limit, lives
The axial position of dynamic protrusion 23 is stablized conducive to the rigidity for guaranteeing check lock lever 20.
In some embodiments, the compression unit rotation section of one end of the rotor 10 where movable protrusion 23 includes
The axial boss inside axially extending bore 15 is protruded into, movable protrusion 23 is along axial limiting in the end of the aforementioned shaft shoulder and axial boss
Between face.
As shown in Figure 1, the left end of the second centrifugal impeller 50 has axial boss, the periphery of the axial boss and the second major diameter
The right end inner wall cooperation of section 153, left side and the shaft shoulder on the body of rod 21 of the axial boss can be by the axial directions of movable protrusion 23
Position restriction is in certain range.When the left side of the axial boss is set equal to or slightly larger than activity at a distance from the shaft shoulder
The axial ends of protrusion 23 apart from when, the axial position of movable protrusion 23 determines substantially, conducive to check lock lever 20 is guaranteed
Rigidity is stablized, to be conducive to guarantee the dynamic balancing of compressor drum.
In some embodiments, fixed protrusion 22 is less than the body of rod 21 and path section with the fit clearance of corresponding major diameter section
151 fit clearance.The setting is conducive to compressor drum and quickly assembles.
In some embodiments, movable protrusion 23 is interference fitted with corresponding major diameter section；Movable protrusion 23 and the body of rod
21 clearance fits.The setting is conducive to compressor drum and quickly assembles.
As shown in Figure 1, in some embodiments, multiple rotor sections of rotor 10 include permanent magnet 11, first end
Shaft part 12 and the second end shaft part 13.First end shaft part 12 is fixedly installed on one end of permanent magnet 11.The second end shaft part 13
It is fixedly installed on the other end of permanent magnet 11.
Permanent magnet 11 can be the hollow cylinder with axially extending bore.Permanent magnet 11 is as rotor 10 and compressor
Motor stator collectively forms the motor of driving compressor drum rotation.The material of permanent magnet 11 is, for example, magnet steel.
As shown in Figure 1, in some embodiments, rotor 10 further includes the close permanent magnet in first end shaft part 12
The installation sleeve 14 that 11 one end is wholely set.Permanent magnet 11 and the second end shaft part 13 are fixedly installed in by hot jacket mode
In installation sleeve 14.
In some embodiments (not shown), independent installation sleeve, first end shaft part, permanent magnet and can be set
Two end shaft parts are sleeved in installation sleeve by way of hot jacket.
The some embodiments of the disclosure are described in more detail below in conjunction with Fig. 1 to Fig. 3.
As shown in Figure 1 to Figure 3, the rotor 10 of the compressor drum of the embodiment of the present disclosure includes permanent magnet 11, first
13 3 rotor sections of end shaft part 12 and the second end shaft part and an installation sleeve 14.The left end of installation sleeve 14 and first end
The right end of portion's shaft part 12 is wholely set.First end shaft part 12, the second end shaft part 13 and permanent magnet 11 are processed into axis
To the hollow structure of through-hole.The second end shaft part 13 is similar but arranged symmetrically with 12 structure of first end shaft part, and the second end
13 left end of shaft part is stepped form, and 10 outer peripheral diameter of rotor is equal after being conducive to the connection of three-stage rotor section.
Every section of rotor section separate machined simultaneously guarantees reasonable accuracy, carries out assembling later and forms rotor 10.Turn in motor
In sub 10 assembling process, first by permanent magnet 11 with the second end shaft part 13 is cementing is fixed together.Then by first end axis
Section 12 and installation sleeve 14 are heated to higher temperature, such as 700~900 DEG C, then quickly by permanent magnet 11 and the second end shaft part
13 are inserted in installation sleeve 14.Which can shorten the time of thermal sleeve interference connection, improve assembling success rate.Due to motor
Rotor 10 is subject to centrifugal forces in high-speed rotation, and there are material swellings, to prevent part after magnitude of interference reduction
It loosens, magnitude of interference is preferably larger.
Since three-stage rotor section is hollow structure, the gas generated during hot jacket can be from 15 row of axially extending bore
It removes, without increasing additional gas vent, facilitates processing, conducive to the production efficiency for improving rotor 10.
The diameter substantially phase of the diameter of axially extending bore inside permanent magnet 11 and the corresponding rod segment of the body of rod 21 of check lock lever 20
Together.In view of the property of permanent-magnet material, the diameter of the axially extending bore inside permanent magnet 11 is preferably outside 1/4~1/3 times of permanent magnet
Diameter.As shown in Figure 1, the axially extending bore inside permanent magnet 11 constitutes the one of the path section 151 of the axially extending bore 15 of rotor 10
Part hole section.
Axially extending bore rod segment corresponding to the body of rod 21 inside permanent magnet 11 is gap-matched, and fit clearance for example can be with
For 0.03~0.05mm.The roughness on the surface that the axially extending bore of permanent magnet 11 is contacted with the body of rod 21 can be 0.8~1.6 μm,
The roughness range is conducive to prevent surface peak from influencing assembly.
Since installation sleeve wall thickness is relatively thin, there can be a degree of strength problem after interference connection, turn in motor
The radial middle part of son 20 can increase connection reliability using check lock lever 20.
In view of the length of check lock lever 20 is relatively long, its stiffness and strength will affect, therefore in its left end process support
The fixation protrusion 22 of positioning step form increases rigidity, to reduce the amount of deflection of check lock lever 20.Fixed protrusion 22 and first is big
152 clearance fit of diameter section.The fit clearance of fixed protrusion 22 and the first major diameter section 152 can be less than permanent magnet 11 and check lock lever
The fit clearance of 20 corresponding rod segment 21.The fit clearance of fixed protrusion 22 and the first major diameter section 152 for example can be 0.01
~0.03mm.
The right end of check lock lever 20 carries out radial positioning using movable protrusion 23.The centre bore 231 of the activity protrusion 23
21 clearance fit of rod segment corresponding to check lock lever 20.Wherein activity protrusion 23 be set in the second end shaft part 13 second
Row radial positioning when the inner wall of major diameter section 153 uses the interference fit of slight interference amount with to 20 right end of check lock lever.
As shown in Figures 2 and 3, by the key 232 and the second major diameter section 153 that are fixedly installed on movable protrusion 23
The cooperation realization activity protrusion 23 of keyway 1531 on wall it is circumferentially positioned.
Second major diameter section 153 is interference fit with movable protrusion 23, and the diameter of the second major diameter section 153 is minus deviation, living
The outer diameter of dynamic protrusion 23 is overgauge, and total magnitude of interference can be with 0.01~0.02mm.
In rotor 10 and check lock lever 20, centrifugal impeller assembling process, movable protrusion 23 is adopted with rotor 10
It is first along the direction of keyway 1531 loading activity to the left protrusion 23 with the mode of cold setting, then in 10 left end of rotor
The body of rod 21 of check lock lever 20 is inserted into the axially extending bore 15 of rotor 10, is then respectively charged into the left and right ends of the body of rod 21
First-stage centrifugal impeller 30 and two-stage centrifugal impeller 50, the mode for reusing counter-tightened pass through the first locking nut 40 and the second lock
First-stage centrifugal impeller 30 and two-stage centrifugal impeller 50 are pressed against the left and right ends of rotor 10 by tight nut 60 respectively.Group installs
Bi Hou, check lock lever 20, first-stage centrifugal impeller 30,60 shape of two-stage centrifugal impeller 50, the first locking nut 40 and the second locking nut
At compressing structure, apply the pressure of inside in the axial direction to rotor 10, to make between each rotor section of rotor 10
Connection column plus firm stable.
Both ends shaft part is separately mounted to the axial ends of permanent magnet 11, in two each self-chamberings of axial end face of rotor
With first-stage centrifugal impeller, the two-stage centrifugal impeller of two stage centrifugal compressor can also effectively be avoided to be mounted on rotor the same end
The too long problem of caused rotor.
As shown in Figure 1, two centrifugal impellers are respectively in 13 end of 12 end of first end shaft part and the second end shaft part
Middle vacancy positions that is, at the axial ends of axially extending bore 15, carries out centrifugal impeller phase by the positioning spigot at the centrifugal impeller back side
Radial and axial positioning for rotor 10.
Right section of setting shaft shoulder of the body of rod of check lock lever 20, movable protrusion 23 are located at determining for the shaft shoulder and two-stage centrifugal impeller 50
Between the axial boss end face of position seam allowance.Between the axial boss of the positioning spigot of two-stage centrifugal impeller 50 and movable protrusion 23
Gap cooperation, fit clearance such as 0.01~0.02mm.Movable protrusion 23 can be effectively prevented in the second major diameter section in the setting
153 axially inside move, and are conducive to prevent two-stage centrifugal impeller 50 in assembling process from crossing positioning in the axial direction.
When the axial boss of the positioning spigot of two-stage centrifugal impeller 50 and the clearance distance of movable protrusion 23 are small―gap suture
When cooperation, the axially position of check lock lever 20 can also be realized by the shaft shoulder.
From the above description, it can be seen that the compressor drum of disclosure above embodiments can be effectively improved with multiple turns
The rotor section bonding strength of the rotor of subsegment, moreover it is possible to by the length of reduction cantilever end, the critical speed of rotor is improved, into
The job stability and reliability of compressor and its motor where one step raising compressor drum, be both able to achieve high revolving speed work
Make, and compressor arrangement can be made simpler, system is more succinct, and compressor more minimizes.
The embodiment of the present disclosure also provides a kind of compressor, the compressor drum including disclosure previous embodiment.The disclosure
The compressor of embodiment and the compressor drum of embodiment of the present disclosure advantage having the same.
In some embodiments, compressor may include gas bearing, and compressor drum is supported in the gas bearing.
Gas bearing may include transverse bearing and thrust bearing.Gas bearing can be hydrodynamic gas-lubricated bearing, be also possible to static pressure gas
Body bearing.In the compressor of the embodiment of the present disclosure, compressor drum has higher job stability and reliability, is suitable for using
Gas bearing bearing.Use gas bearing can using by compression working medium as levitation gas, thus save using rolling bearing or
Required lubricating oil system and oily separation system when filmatic bearing, it is possible to reduce the fluid system where compressor, as refrigerant follows
The complexity and occupied space of loop system.
The embodiment of the present disclosure also provides a kind of coolant circulating system, the compressor including disclosure previous embodiment.This public affairs
Open aforementioned compression machine rotor and the compressor advantage having the same of the coolant circulating system and the embodiment of the present disclosure of embodiment.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the disclosure rather than its limitations；To the greatest extent
Pipe is described in detail the disclosure referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still
It can modify to the specific embodiment of the disclosure or some technical features can be equivalently replaced, should all cover
In the claimed technical proposal scope of the disclosure.
Claims (18)
1. a kind of compressor drum characterized by comprising
Rotor (10), multiple rotor sections including being axially fixed connection, the multiple rotor section have axially extending bore
(15)；
Check lock lever (20) runs through the axially extending bore (15)；
Compression unit rotation section is located at the end of the rotor (10) and is connected on the check lock lever (20)；With
The compression unit rotation section is locked on the check lock lever (20) by locking member, the check lock lever (20), the pressure
Contracting unit rotational portion and the locking member form the compression applied to the rotor (10) towards the pressure of axially inner side
Structure.
2. compressor drum according to claim 1, which is characterized in that institute is respectively set in the both ends of the check lock lever (20)
State compression unit rotation section and the locking member.
3. compressor drum according to claim 1, which is characterized in that
The end of the check lock lever (20) is equipped with external screw thread；
The locking member includes the locking nut with external screw thread cooperation.
4. compressor drum according to claim 1, which is characterized in that the axially extending bore (15) includes:
Path section (151)；With
Major diameter section, diameter are greater than the path section (151).
5. compressor drum according to claim 4, which is characterized in that the check lock lever (20) includes:
The body of rod (21), with the path section (151) clearance fit；With
Protrusion is set on the body of rod (21), from the body of rod (21) to radial outside protrude, the protrusion with it is described
Major diameter section clearance fit.
6. compressor drum according to claim 5, which is characterized in that the protrusion is bulge loop.
7. compressor drum according to claim 5, which is characterized in that
The axial middle part of the rotor (10) includes permanent magnet (11), and the path section (151) is located at the axially extending bore
(15) axial middle part, two major diameter sections are located at the both ends of the axially extending bore (15)；
The check lock lever (20) includes two protrusions, and described two protrusions cooperate with described two major diameter sections respectively.
8. compressor drum according to claim 7, which is characterized in that
One in described two protrusions is the fixation protrusion (22) being fixed on the body of rod (21), another is opposite
In the mobilizable movable protrusion (23) of the body of rod (21)；Or,
Described two protrusions are relative to the mobilizable movable protrusion of the body of rod.
9. compressor drum according to claim 8, which is characterized in that the activity protrusion (23) and the axial direction are logical
The inner wall in hole (15) is cooperated by key to limit the circumferential position of the movable protrusion (23).
10. compressor drum according to claim 8, which is characterized in that the shaft shoulder, the work is arranged on the body of rod (21)
Dynamic protrusion (23) are located between the end face and the shaft shoulder of one end of the rotor (10) at place.
11. compressor drum according to claim 10, which is characterized in that the motor where the activity protrusion (23)
The compression unit rotation section of one end of rotor (10) includes protruding into the internal axial boss of the axially extending bore (15), described
Movable protrusion (23) is along axial limiting between the shaft shoulder and the end face of the axial boss.
12. compressor drum according to claim 8, which is characterized in that the fixed protrusion (22) and corresponding institute
The fit clearance for stating major diameter section is less than the fit clearance of the body of rod (21) and the path section (151).
13. compressor drum according to claim 8, which is characterized in that
The activity protrusion (23) is interference fitted with the corresponding major diameter section；And/or
The activity protrusion (23) and the body of rod (21) clearance fit.
14. compressor drum according to any one of claim 1 to 13, which is characterized in that the multiple rotor section packet
It includes:
Permanent magnet (11)；
First end shaft part (12), is fixedly installed on one end of the permanent magnet (11)；With
The second end shaft part (13), is fixedly installed on the other end of the permanent magnet (11).
15. compressor drum according to any one of claim 1 to 13, which is characterized in that the compression unit rotation
Portion includes centrifugal impeller.
16. a kind of compressor, which is characterized in that including compressor drum described in any one of claims 1 to 15.
17. compressor according to claim 16, which is characterized in that the compressor includes gas bearing, the compression
Machine rotor is supported in the gas bearing.
18. a kind of coolant circulating system, which is characterized in that including compressor described in claim 16 or 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189835.2U CN209344880U (en) | 2018-12-25 | 2018-12-25 | Compressor drum, compressor and coolant circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189835.2U CN209344880U (en) | 2018-12-25 | 2018-12-25 | Compressor drum, compressor and coolant circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209344880U true CN209344880U (en) | 2019-09-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822189835.2U Active CN209344880U (en) | 2018-12-25 | 2018-12-25 | Compressor drum, compressor and coolant circulating system |
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| CN (1) | CN209344880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134424A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Compressor rotor, compressor, and refrigerant circulation system |
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2018
- 2018-12-25 CN CN201822189835.2U patent/CN209344880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134424A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Compressor rotor, compressor, and refrigerant circulation system |
| US11946476B2 (en) | 2018-12-25 | 2024-04-02 | Gree Electric Appliances, Inc. Of Zhuhai | Compressor rotor, compressor and refrigerant circulation system |
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