CN104074756B - Fixed scroll body and convolute-hydrodynamic mechanics - Google Patents
Fixed scroll body and convolute-hydrodynamic mechanics Download PDFInfo
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- CN104074756B CN104074756B CN201410121007.9A CN201410121007A CN104074756B CN 104074756 B CN104074756 B CN 104074756B CN 201410121007 A CN201410121007 A CN 201410121007A CN 104074756 B CN104074756 B CN 104074756B
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- end plate
- supporting mass
- fixed scroll
- shell
- cycle
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/007—General arrangements of parts; Frames and supporting elements
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C2230/00—Manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The problem of the present invention to make fixed scroll body cost degradation, and make fixed scroll body and cycle vortex it is mutual positioning it is easy.Fixed scroll body(32)By the end plate manufactured respectively(32A)And supporting mass(32B)Form.End plate(32A)By inner side end plate(32Aa), swirl shape scroll wraps(32Ab)With formation in interior side end panel(32Aa)The back side(33)On cooling fins group(52)Form.Supporting mass(32B)There is end plate on the inside of supplying at center(32Aa)The circular port of insertion(32Ba), and it is integrally formed with storage pin crank mechanism(40)Shell(39).End plate(32A)And supporting mass(32B)Shell can be removably bonded to(12b)Inside.In cycle vortex(26)Outer circumference end and fixed scroll body(32)It is upper to be integrally formed with shell respectively(39), the shell(39)Storage pin crank mechanism(40).
Description
Technical field
The present invention relates to suitable for compressor, vavuum pump, expanding machine etc., the fixed scroll body that can realize cost degradation
And the convolute-hydrodynamic mechanics with the fixed scroll body.
Background technology
In convolute-hydrodynamic mechanics, fixed scroll body with lower component by being formed:Scroll portion, its whirlpool with cycle vortex
(ラ ッ プ portions of volume portion;Lap) engage, be imported into working media and form the confined chamber of discharge chambe, expanding chamber etc.;Formed with cooling
The radiating part of fin;It is combined the joint portion being fixed on shell;Suck the sucting of working media.In scroll portion, in order to
It is required that high sealing, it is desirable to ensure sealing and for being formed by kollag on the front end of scroll wraps
The reduction of stomata during the casting that the abrasion of tip seals is suppressed and when requiring to be used to suppress compression section, processing when
Deformation intensity.
Furthermore, it desired to the good castability (formability) of cooling fins can be formed with narrow spacing and can be carried out
The thermal diffusivity (heat conductivity) of efficient cooling.And, it is desirable to maintain machining accuracy and maintain to be used to shorten process time
Good processability and machining accuracy, and require to ensure case hardness and for preventing the surface treatment wearing, corrode.For
High requirement performance as meeting, use and carried out hard anodizing and the special aluminium (Al) that special surface is handled such as handle
Alloy.Thus, high cost is caused.
Japanese Unexamined Patent Publication 02-125988 publications (patent document 1) disclose following content, in order to avoid by Al alloys
Hot sticky, abrasion is produced on the sliding surface of the scroll wraps of two vortexes formed, is implemented on the sliding surface of a scroll wraps hard
Matter anodized, and implement hard and the electroplating processes rich in lubricity on the sliding surface of another scroll wraps.
In addition, Japanese Unexamined Patent Publication 06-10858 publications (patent document 2) disclose following structure, i.e. are able to ensure that light
Quantization and machinability, also, the pressure distortion of the end plate as caused by the pressure differential inside and outside discharge chambe is relaxed, in order to ensure gas
Close property, on the end plate of fixed scroll body or cycle vortex, the rigidity iron system sandwich component higher than Al material is clipped in end plate
Al materials between.
【Prior art literature】
【Patent document】
【Patent document 1】Japanese Unexamined Patent Publication 02-125988 publications
【Patent document 2】Japanese Unexamined Patent Publication 06-10858 publications
Technology disclosed in patent document 1 is for the implementation special surface processing in scroll wraps, it has to as high cost.Separately
Outside, technology disclosed in patent document 2 must carry out sandwiching the processing of iron system sandwich component on end plate, so as to there is manufacturing procedure
Complicate, the problem of causing high cost.
On the other hand, due to forming confined chamber by fixed scroll body and cycle vortex, so needing precision to enter well
The mutual positioning of two vortexes of row.On the other hand, fixed scroll body is fixed on shell, and cycle vortex passes through pin crank
Mechanism etc. prevents free-wheeling system from being combined with fixed scroll body.Thus, in order to which precision carries out that two vortexes are mutual to be determined well
Position is, it is necessary to the substantial amounts of time.In addition, in the case of being positioned between the scroll wraps of two vortexes, two vortexes
Scroll wraps can not observe with the naked eye from outside, so as to carry out the positioning well, it is necessary to the substantial amounts of time for precision.
The content of the invention
The purpose of the present invention is in view of the problem, so that for the purpose of fixed scroll body cost degradation.In addition, the mesh of the present invention
Be when assembling convolute-hydrodynamic mechanics, can realize that the mutual easy and precision of fixed scroll body and cycle vortex is good
Good positioning.
In order to realize the purpose, fixed scroll body of the invention forms a part for convolute-hydrodynamic mechanics, and with rotation
Return vortex engagement and form the multiple confined chambers for enclosing working media.Fixed scroll body has an end plate and supporting mass, end plate,
Scroll wraps formed with swirl shape on the face faced with cycle vortex;Supporting mass, there is the sky for end plate insertion at center
Between, configured around end plate, and support the end plate for being inserted into space.
An aspect of of the present present invention is a kind of convolute-hydrodynamic mechanics, has cycle vortex and fixed scroll body, fixed whirlpool
Body is revolved, the multiple confined chambers for enclosing working media are engaged and formed with cycle vortex, fixed scroll body has end plate and supporting
Body, end plate, the scroll wraps formed with swirl shape on the face faced with cycle vortex;Supporting mass, have at center and supply end
The space of plate insertion, and configured around end plate, supporting is inserted into the end plate in space.
Brief description of the drawings
Fig. 1 is the overall perspective view of the scroll compressor of one embodiment of the present invention.
Fig. 2 is the longitudinal section of the scroll compressor.
Fig. 3 is the stereogram for the fixed scroll body for forming the scroll compressor.
Fig. 4 is represent fixed scroll body stereogram with decomposing.
Fig. 5 is the stereogram of the vortex of the scroll compressor.
Embodiment
Hereinafter, the present invention is explained using embodiment illustrated.But the constituent part that present embodiment is recorded
Size, material, shape, its relative configuration etc. recorded as long as no especially specific, just the scope of the present invention is not only limitted to
This.
Illustrate the embodiment that the present invention is applied to scroll compressor based on Fig. 1~Fig. 5.Fig. 1 is this embodiment party
The overall perspective view of the scroll compressor 10 of formula.In Fig. 1, the shell of scroll compressor 10 includes covering drive shaft side
The shell 12a and covering cycle vortex and the shell 12b of fixed scroll body and the tubular like ellipse of drum.In shell
Opening portion 14 formed with circle on 12a axial end face, it inserts for drive shaft 18 and supplies drive shaft 18 for installing
The electro-motor (omitting diagram) of rotation driving.
In shell 12b axial end face center, the hollow circle tube for being taken into the formation entrance opening portion of cooling wind enters
Mouth pipe 16 is provided integrally at shell 12b center.On shell 12a outer peripheral face, the formation exit opening of discharge cooling wind
The outlet 20 of the quadrangular section in portion is integrally provided with shell 12a.In addition, four sides are set on shell 12b outer peripheral face
5 inlet tubes (illustrate only 22a, 22b and 22c) of tee section, 5 inlet tubes are circumferentially dispersedly configured, and formation is taken into
Cool down the entrance opening portion of wind.
In fig. 2, on the front end face of drive shaft 18, it is integrally formed with the diameter parallel and bias with drive shaft 18
Position there is the eccentric shaft 24 of axis.Therefore, when drive shaft 18 rotates, the cycle of eccentric shaft 24 (revolution).
Cycle vortex 26 is by the end plate 26a of circle and the scroll wraps 26b with the end plate 26a swirl shapes being integrally formed
Form.Central part at the back side 27 of cycle vortex 26 is fitted together to columnar bearing 28, and eccentric shaft 24 is by rolling bearing 30
Rotatably it can be supported by bearing 28.Thus, cycle vortex 26 also carries out turning motion together with eccentric shaft 24.
Hereinafter, the structure of fixed scroll body 32 is illustrated by Fig. 3 and Fig. 4.Fixed scroll body 32 by split respectively is made
The end plate 32A and supporting mass 32B made is formed.
Inner side end plate 32Aas and the whirlpool that with an inner side end plate 32Aa face is integrally formed of the end plate 32A by circular plate-like shape
The scroll wraps 32Ab for revolving shape is formed.As shown in figure 4, formed with the first cooling fins group on the interior side end panel 32Aa back side 33
52.First cooling fins group 52 is around the outlet 36 (reference picture 2) at center for being arranged at inner side end plate 32Aa towards outer
Zhou Duan, the cooling fins 52a of the substantial amounts of rectilinear form from extending to radiation direction are formed.
In 6 circumferentially scattered positions along inner side end plate 32Aa, from the inner side end plate 32Aa back side 33 towards radius side
The flange 34 of rectangular shape is provided projectingly laterally.Bolt hole 34a is provided with flange 34.End plate 32A is by for example
The Al such as AC4A or AC4C alloys are formed.So, the peripheral end face by inner side end plate 32Aa and the flange from peripheral end face protrusion
34 one side forms chimeric supporting mass 32B sleeve pipe connection construction.
Supporting mass 32B is in have and the loosely inlaid circular port 32Ba for closing (Swam is embedding) of inner side end plate 32Aa outer circumference end in central portion
Circular plate-like shape.End plate 32A and supporting mass 32B are configured as same heart shaped.Supporting mass 32B is made up of FC materials.In supporting mass 32B
On, equally spaced 3 positions, are provided integrally with the shell 39 for storing pin crank mechanism 40 described later in the circumferential.Shell 39
Also in the outer circumference end of cycle vortex 26, the position that supporting mass 32B shell 39 faces is arranged on and is arranged at.In addition,
Supporting mass 32B corresponding with the bolt hole 34a of flange 34 circumferential position is provided with multiple internal thread holes 35.
Supporting mass 32B is fixed on shell 12b in shell 12b inside.End plate 32A is to be inserted into supporting mass 32B
Circular port 32Ba in the state of, bolt 37 is inserted into bolt hole 34a, and is screwed togather with internal thread hole 35, is thus installed in
On supporting mass 32B.End plate 32A peripheral end face and supporting mass 32B circular port 32Ba have minim gap, and the minim gap is inhaled
Thermal expansion difference caused by the difference of the material because forming both is received, and meets the scrollwork of scroll wraps 32Ab and cycle vortex 26
Needed for contraposition between portion 26b.
In fig. 2, fixed scroll body 32 forms cycle vortex 26 and multiple discharge chambe c.Pass through cycle vortex 26
Turning motion, air is inhaled into from suction inlet (omit diagram), solid from being formed at by after compression in multiple discharge chambe c
The outlet 36 at the center of determine vortex body 32 is discharged.The compressed air discharged from outlet 36 is from the row being connected with outlet 36
Outlet pipe 38, which is fed into, needs destination.Opening portion ground quilt of the central part at the back side 33 of fixed scroll body 32 in face of inlet tube 16
Configuration.
In the outer circumference end of cycle vortex 26 and fixed scroll body 32, in 3 positions of circumference with 120 ° of intervals, it is provided with
As the pin crank mechanism 40 for preventing free-wheeling system.Pin crank mechanism 40, which is incorporated in, is arranged at fixed scroll body 32 and cycle whirlpool
Revolve the inside of the shell 39 of body 26.Selling crank mechanism 40 has by a pair of bearing pins in diameter parallel and mutual eccentric position
The crank part 42 that 44a and 44b is formed.In the present embodiment, a pair of bearing pins 44a and 44b are integrally formed.One bearing pin 44a
Can rotatably it be supported on the shell 39 being integrally formed with end plate 26a via rolling bearing 46, another bearing pin 44b
Can rotatably it be supported on the shell 39 being integrally formed with supporting mass 32B via rolling bearing 48.Pass through the knot
The pin crank mechanism 40 of structure, prevents the rotation of cycle vortex 26.
Centrifugal fan 50 is installed in drive shaft 18.Centrifugal fan 50 is by being installed on the circular end plate of drive shaft 18
50a and the multiple blade 50b circumferentially installed the compositions along end plate 50a.Centrifugal fan 50 rotates together with drive shaft 18, thus,
It will be sent out on the outside of the cooling wind direction radial direction flowed into along drive shaft 18.
Formed with the second cooling fins group 54 on the end plate 26a of cycle vortex 26 back side 27.Second cooling fins
The 54 substantial amounts of linear cooling by being extended laterally along radiation direction around bearing 28 centered on bearing 28 of group
Fin 54a is formed.
In addition, formed with the first cooling air passway for being mainly used in cooling down fixed scroll body 32 in scroll compressor 10
With the second cooling air passway for being mainly used in cooling down cycle vortex 26.Rotated by centrifugal fan 50, led to these cooling wind
Road imports cooling wind.Relative to the back side 27 of cycle vortex 26 and the front end position of drive shaft 18, have and be positioned apart from
Pipe 56.Pipe 56 has the shape at the covering back side 27 and the front end position of drive shaft 18.The inner space of pipe 56 forms and entrance
Second cooling air passway of pipe 22a~22e connections.
In addition, being provided with pipe 58 in the outside of pipe 56, the pipe 58 with pipe 56 there is compartment of terrain to surround pipe 56.In fixed scroll
The outer circumference end of body 32 and cycle vortex 26, between inlet tube 22a~22e, formed with multiple by being connected with inlet tube 16
The first cooling air passway that path is formed.The inner space of pipe 58 is formed with the first cooling air passway, first cooling air passway
It is communicated to the path connected with these inlet tubes 16.In addition, pipe 56 and pipe 58 are configured to same heart shaped relative to drive shaft 18.
First, the structure of the first cooling air passway is illustrated.Rotated by centrifugal fan 50, sucked from inlet tube 16
Cool down wind a1.Cooling wind a1 contacts with the central part at the back side 33 of fixed scroll body 32, and from the central part to outer circumference end cold
But flowed between fin 52a, and cool down fixed scroll body 32.The cooling wind a1 of the outer circumference end of fixed scroll body 32 is reached in week
The path to be formed between pipe 56 and pipe 58 is flowed into from the path formed between inlet tube 22a~22e upwards, is cooled down herein
Cycle vortex 26 and drive shaft 18.Then, cool down wind a1 and reach centrifugal fan 50, centrifugation wind is sent to by centrifugal fan 50
On the outside of the radial direction of fan 50, it is discharged from outlet 20.
Hereinafter, the structure of the second cooling air passway is illustrated.Rotated by centrifugal fan 50, cool down wind a2 from entrance
Pipe 22a~22e is inhaled into shell 12b inside.Cooling wind a2 flows in the second cooling air passway for being formed at the inner side of pipe 56
It is dynamic, now, flowed between cooling fins 54a, thus cool down cycle vortex 26.And then change direction, in drive shaft 18
Surrounding flows, and after cooling drive shaft 18, reaches centrifugal fan 50.Then, centrifugal fan is sent to by centrifugal fan 50
On the outside of 50 radial direction, it is discharged from outlet 20.
Fig. 5 is represented before end plate 32A is installed, and combines the supporting mass 32B and cycle vortex 26 of fixed scroll body 32
State.
In the present embodiment, in the case where fixed scroll body 32 and cycle vortex 26 are arranged on shell 12b,
First, only the supporting mass 32B of fixed scroll body 32 is arranged on shell 12b, and via pin crank mechanism 40 by cycle whirlpool
Body 26 is revolved to be arranged on supporting mass 32B.Secondly, by measuring the supporting mass 32B on the basis of the end plate 26a of cycle vortex 26
Height t, adjust assembling position so that do not deposit substantially in the gap between the end plate of two vortexes and scroll wraps front end
.It should be noted that in fact gap be present between the end plate of two vortexes and scroll wraps front end, the gap is with essence
The level of confidentiality substantially fully gap in die compaction space.
According to present embodiment, fixed scroll body 32 is formed with being divided into end plate 32A and supporting mass 32B, by with Gao Gang
Property and low cost material be FC material manufacture supporting mass 32B, so as to keep required intensity, and make fixed scroll body
32 manufacturing expense reduces.
In addition, in the case where fixed scroll body 32 and cycle vortex 26 are arranged on shell 12b, first, only will
Supporting mass 32B assembles with cycle vortex 26, thereby, it is possible to visually observe the inside of vortex and assembled, so as to
Reach the good positioning of the precision being easily fixed between vortex 32 and cycle vortex 26.
In addition, end plate 32A is formed as circular plate shape, end plate 32A and supporting mass 32B are mutually configured with same heart shaped, so as to whirlpool
Formation of the volume portion 32Ab to end plate 32A becomes easy, and combination between end plate 32A and supporting mass 32B and supporting mass 32B and
Combination between cycle vortex 26 becomes easy.
In addition, the end plate 26a of supporting mass 32B and cycle vortex 26 is formed on shell 39, so as to pin crank
The installation of mechanism 40 becomes easy, and also becomes installation of the cycle vortex 26 to supporting mass 32B by pin crank mechanism 40
Obtain easily.
In addition, the end plate 32A and supporting mass 32B of fixed scroll body 32 chimeric position are constructed using sleeve pipe connection, thus,
End plate 32A and supporting mass 32B dismounting become easy, and the axial dimension of fixed scroll body 32 is not adopted with fixed scroll body 32
With the situation that the segmentation being made up of 2 independent parts constructs compared to not increasing, the construction of fixed scroll body 32 can be suppressed
Obtain compact.
Further, since prevent free-wheeling system from using pin crank mechanism 40, thus will can prevent free-wheeling system be accommodated in
On shell 39 integrally formed supporting mass 32B, thus, the positioning of fixed scroll body 32 and cycle vortex 26 becomes easy.
In addition, in the first cooling air passway, the cooling wind a1 of the low temperature just flowed into from inlet tube 16, cooling can be passed through
The central part of the fixed scroll body 32 of high temperature is particularly become, so as to improve cooling effect.In addition, in the first cooling air passway
The cooling wind a1 of middle flowing flows between cooling fins 52a, the cooling effect thus, it is possible to improve fixed scroll body 32.
In the second cooling air passway, the cooling wind a2 being inhaled into from inlet tube 22a~22e is between cooling fins 54a
Flowing, the cooling effect thus, it is possible to improve cycle vortex 26.In addition, the cooling wind a1 and a2 flowed in pipe 56 and 58 to
Central part is intensively directed, by increasing capacitance it is possible to increase the flow of the cooling wind of central part, and the cooling effect of central part can be improved.
In addition, cooling air passway is divided into the first cooling air passway and the second cooling air passway, and by cooling fins 52a
And cooling fins 54a configures towards the flow direction of cooling wind, so as to reduce the pressure loss of cooling wind.Thus, energy
Enough cut down the consumption electric power of scroll compressor 10.
In addition, inlet tube 22a~22e is dispersedly configured in shell 12b circumference, and the first cooling air passway is existed
Circumferentially dispersedly configured between inlet tube 22a~22e, so as to avoid shell 12b maximization.Moreover, pipe 56 and 58
Configured relative to drive shaft 18 with same heart shaped, so as to make shell 12a densifications, thereby, it is possible to minimize shell 12a.
In addition, as preventing free-wheeling system to be provided with pin crank mechanism 40, thus enable that prevent free-wheeling system simplified and
Cost degradation, thereby, it is possible to prevent the maximization of shell.
In addition, as cooling fan, there is provided the centrifugal fan 50 that can increase static pressure, thus, it is possible to increase cooling wind a1
And a2 air quantity, and then cooling effect can be improved.
In addition, using the centrifugal fan such as sirocco fan of other forms, same cooling effect can be also obtained.
In the above-described embodiment, end plate and supporting mass are separately manufactured, so as to when being assembled to shell, dismount
Ground combines.
The supporting mass at the periphery position of fixed scroll body is formed compared with forming the end plate at inner circumferential position, beyond intensity
Aspect of performance, the so high performance of end plate is not required.As embodiment described above, by being separately manufactured supporting mass and end
Plate, can be with the material manufacture supporting mass of low cost, and thereby, it is possible to make the manufacture cost degradation of fixed scroll body.
In addition, in the case where fixed scroll body and cycle vortex are arranged on shell, first, supporting mass is installed
On shell.Then, after cycle vortex is arranged on supporting mass, the end plate of fixed scroll body is installed.By with this
Order carries out assembling operation, can visually observe the scroll wraps of cycle vortex, and carry out assembling operation.Thus, two whirlpools
The mutual assembling operation of rotation body becomes easy, and can precision carry out well two vortexes scroll wraps positioning.
In order to ensure the sealing of confined chamber, between not formed between scroll wraps front end and the end plate faced with the scroll wraps
Gap is important.According to above-mentioned embodiment, first, cycle vortex is assembled on supporting mass, thus, it is possible to direct measurement
The front position and the relative position of fixed scroll body and end plate of the scroll wraps of cycle vortex.Thereby, it is possible to easily carry out
The good positioning of precision between scroll wraps front end and end plate.
As the mode of the present invention, end plate is formed as circular plate shape, and end plate and supporting mass are mutually configured with same heart shaped.
Thus, formation of the scroll wraps to end plate becomes easy, and the combination between end plate and supporting mass and supporting mass and cycle vortex
Between combination become easy.
As the mode of the present invention, the multiple positions of supporting mass in the circumferential, be integrally formed with prevents for storage
The shell of the mechanism of the rotation of cycle vortex.Thus, preventing the installation of free-wheeling system becomes easy, and cycle vortex passes through
From preventing installation of the free-wheeling system to supporting mass from also becoming easy.
As the mode of the present invention, the support of the supporting mass of bearing end plate, including it is arranged on end plate or supporting mass
At least any one party on flange, and form between the support and the outer circumference end of end plate sleeve pipe connection construction, end
Plate and supporting mass are combined via flange by engaging member (such as bolt etc.).That is, bearing end plate supporting mass support,
The outer circumference end of end plate and be arranged at end plate or supporting mass at least any one party flange between form sleeve pipe connection construction,
End plate and supporting mass can be combined via flange by engaging member (such as bolt etc.).
Thereby, it is possible to easily carry out the dismounting of end plate and supporting mass, and the axial direction of fixed scroll body can not be increased
Size make fixed scroll body compact.
As the mode of the present invention, end plate can be formed by Al alloys, be made up of the rigidity part higher than Al alloy
Supporting mass.Thus, end plate can fully meet foregoing requirement performance, and supporting mass is used by the rigidity material higher than Al alloy
Expect the part formed, the intensity required by outside left thus, it is possible to meet fixed scroll body.
For example, supporting mass can be formed by FC materials (grey cast-iron).Thereby, it is possible to manufacture outside left with low cost.
In addition, the convolute-hydrodynamic mechanics of the mode of the present invention are the vortexs of the fixed scroll body with the structure
Formula fluid machinery.For example, when scroll compressor, DRY SCROLL VACUUM PUMP, by fixed scroll body and cycle vortex
Compression work medium in multiple confined chambers that body is formed, in the case of scroll expansion machine, makes in the multiple confined chamber
Expanding working medium.
According to the convolute-hydrodynamic mechanics of the mode of the present invention, the fixed scroll body with the composition, thus, energy
Enough make fixed scroll body cost degradation, and when assembling convolute-hydrodynamic mechanics, fixed scroll body and cycle whirlpool can be realized
Revolve the mutual easy and good precision positioning of body.
As a mode of the convolute-hydrodynamic mechanics of the present invention, can have prevents free-wheeling system, and it is arranged on
Between fixed scroll body and cycle vortex, and prevent the rotation of cycle vortex.Moreover, this prevents free-wheeling system to be incorporated in
It is formed at the shell of supporting mass and is formed at the inside of the shell of the end plate of the above-mentioned cycle vortex faced with above-mentioned supporting mass,
And with the crank part for being integrally formed with a pair of mutually eccentric axles of axis, a pair of axles respectively can be free via bearing
Rotatably it is supported in the shell of fixed scroll body and cycle vortex.
Thereby, it is possible to free-wheeling system be prevented to be accommodated in be formed in the shell of supporting mass and cycle vortex, so as to
Enough make to prevent that free-wheeling system is compact, and via preventing free-wheeling system that cycle vortex is incorporated in the process on supporting mass
In, the positioning between fixed scroll body and cycle vortex becomes easy.
According to above-mentioned embodiment, due to fixed scroll body is separately formed as end plate and supporting mass, so can make
Fixed scroll body cost degradation, and can easily and precision is fixed between vortex and cycle vortex and determined well
Position.
Industrial applicibility
According to above-mentioned embodiment, fixed scroll body cost degradation can be made, and can easily and precision is entered well
Positioning between row fixed scroll body and cycle vortex.
More than, only several embodiments of the invention is illustrated, but can not substantially depart from the present invention's
New enlightenment, various changes or improvement are carried out to advantage to embodiment illustrated, this to those skilled in the art can
Enough it will be readily understood that.Therefore, the embodiment for being applied with such change or improvement is also contained in the technical scope of the present invention.
The application is the Japanese patent application 2013-072383 CLAIM OF PRIORITYs proposed based on March 29th, 2013.
On March 29th, 2013 propose Japanese patent application the 2013-072383rd include specification, claims, accompanying drawing and
Complete disclosure including summary is used as reference to be integrally incorporated into the application.
Japanese Unexamined Patent Publication 02-125988 publications and Japanese Unexamined Patent Publication 06-10858 publications include specification, right
Complete disclosure including claim, accompanying drawing and summary is used as reference to be integrally incorporated into the application.
The explanation of reference
10 scroll compressors
12a, 12b shell
14 opening portions
16th, 22a~22e inlet tubes
18 drive shafts
20 outlets
24 eccentric shafts
26 cycle vortexes
26a end plates
26b scroll wraps
27 back sides
28 bearings
30th, 46,48 rolling bearing
32 fixed scroll bodies
32A end plates
End plate on the inside of 32Aa
32Ab scroll wraps
32B supporting masses
32Ba circular ports
33 back sides
34 flanges
34a bolts hole
35 internal thread holes
36 outlets
37 bolts
38 discharge pipes
39 shells
40 pin crank mechanisms
42 crank parts
44a, 44b bearing pin
50 centrifugal fans
50a end plates
50b blades
52 first cooling fins groups
52a cooling fins
54 second cooling fins groups
54a cooling fins
56th, 58 pipe
A1, a2 cool down wind
C discharge chambes
Claims (19)
1. a kind of fixed scroll body, it forms a part for convolute-hydrodynamic mechanics, is engaged with cycle vortex and form inclosure
Multiple confined chambers of working media,
The fixed scroll body is characterised by thering is end plate and supporting mass,
End plate scroll wraps formed with swirl shape on the face faced with the cycle vortex;
The supporting mass has the hole for end plate insertion at center, is configured around the end plate, and support be inserted into it is described
The end plate in hole, the supporting mass are made up of the rigidity part higher than the end plate,
The supporting mass possesses the second face of the first face for being configured at the cycle vortex side and side opposite with first face,
The end plate is configured to, and the hole of the supporting mass is inserted in from second surface side, is supported by the supporting mass,
There is gap between the outer circumference end of the end plate and the supporting mass, the gap is used to absorb the end plate and the branch
Hold the thermal expansion difference between body, and the scroll wraps and the scroll wraps of the cycle vortex for the fixed scroll body
Between contraposition.
2. fixed scroll body as claimed in claim 1, it is characterised in that the end plate is in the face formed with the scroll wraps
Formed with cooling fins on another face.
3. fixed scroll body as claimed in claim 2, it is characterised in that the end plate is formed as circular plate shape, the end plate
Mutually configured with the supporting mass with same heart shaped.
4. such as fixed scroll body according to any one of claims 1 to 3, it is characterised in that the supporting mass is more circumference
Individual position, it is integrally formed with the shell of the mechanism for storing the rotation for preventing the cycle vortex.
5. such as fixed scroll body according to any one of claims 1 to 3, it is characterised in that support the branch of the end plate
Hold the support of body, be arranged at the end plate or the periphery of the flange of at least any one party of the supporting mass and the end plate
End forms sleeve pipe connection construction, and the end plate and the supporting mass are combined via the flange by engaging member.
6. such as fixed scroll body according to any one of claims 1 to 3, it is characterised in that the end plate is made up of aluminium alloy.
7. fixed scroll body as claimed in claim 6, it is characterised in that the supporting mass is made up of FC materials.
A kind of 8. convolute-hydrodynamic mechanics, it is characterised in that there is cycle vortex and fixed scroll body,
The fixed scroll body engages and formed the multiple confined chambers for enclosing working media with the cycle vortex,
The fixed scroll body has end plate and supporting mass,
End plate scroll wraps formed with swirl shape on the face faced with the cycle vortex;
The supporting mass has the hole for end plate insertion at center, and is configured around the end plate, and supporting is inserted into described
The end plate in hole, the supporting mass are made up of the rigidity part higher than the end plate,
The supporting mass possesses the second face of the first face for being configured at the cycle vortex side and side opposite with first face,
The end plate is configured to, and the hole of the supporting mass is inserted in from second surface side, is supported by the supporting mass,
There is gap between the outer circumference end of the end plate and the supporting mass, the gap is used to absorb the end plate and the branch
Hold the thermal expansion difference between body, and the scroll wraps and the scroll wraps of the cycle vortex for the fixed scroll body
Between contraposition.
9. convolute-hydrodynamic mechanics as claimed in claim 8, it is characterised in that the end plate of the fixed scroll body is in shape
Formed with cooling fins on into another face in the face for having the scroll wraps.
10. convolute-hydrodynamic mechanics as claimed in claim 9, it is characterised in that the end plate is formed as circular plate shape, described
End plate and the supporting mass are mutually configured with same heart shaped.
11. the convolute-hydrodynamic mechanics as any one of claim 8~10, it is characterised in that the supporting mass is in week
To multiple positions be integrally formed with for store prevent the cycle vortex rotation mechanism shell.
12. the convolute-hydrodynamic mechanics as any one of claim 8~10, it is characterised in that support the end plate
The support of the supporting mass includes the flange for being arranged at least any one party of the end plate or the supporting mass, and described
Sleeve pipe connection construction is formd between the outer circumference end of support and the end plate, the end plate and the supporting mass are via described convex
Edge is combined by engaging member.
13. the convolute-hydrodynamic mechanics as any one of claim 8~10, it is characterised in that the end plate is closed by aluminium
Gold is formed.
14. convolute-hydrodynamic mechanics as claimed in claim 13, it is characterised in that the supporting mass is made up of FC materials.
15. the convolute-hydrodynamic mechanics as any one of claim 8~10, it is characterised in that
With free-wheeling system is prevented, it is arranged between the fixed scroll body and the cycle vortex, and prevent the rotation
The rotation of vortex is returned,
It is described to prevent free-wheeling system to be incorporated in the shell for being formed at the supporting mass and be formed at what is faced with the supporting mass
The inside of the shell of the end plate of the cycle vortex, and with the song for being integrally formed with a pair of mutually eccentric axles of axis
Shank part,
The pair of axle can rotatably be supported in the fixed scroll body via bearing respectively and the cycle is vortexed
On the shell of body.
16. convolute-hydrodynamic mechanics as claimed in claim 11, it is characterised in that
With free-wheeling system is prevented, it is arranged between the fixed scroll body and the cycle vortex, and is prevented described
The rotation of cycle vortex,
It is described to prevent free-wheeling system is incorporated in the shell being formed on the supporting mass and is formed at from being faced with the supporting mass
The cycle vortex end plate on shell inside, and a pair of axles mutually eccentric with axis is integrally formed with
Crank part,
The pair of axle can rotatably be supported in the fixed scroll body via bearing respectively and the cycle is vortexed
The shell of body.
17. convolute-hydrodynamic mechanics as claimed in claim 12, it is characterised in that
With free-wheeling system is prevented, it is arranged between the fixed scroll body and the cycle vortex, and is prevented described
The rotation of cycle vortex,
It is described to prevent free-wheeling system to be incorporated in the shell for being formed at the supporting mass and be formed at what is faced with the supporting mass
The inside of the shell of the end plate of the cycle vortex, and with the song for being integrally formed with a pair of mutually eccentric axles of axis
Shank part,
The pair of axle can rotatably be supported in the fixed scroll body via bearing respectively and the cycle is vortexed
The shell of body.
18. convolute-hydrodynamic mechanics as claimed in claim 13, it is characterised in that
With free-wheeling system is prevented, it is arranged between the fixed scroll body and the cycle vortex, and is prevented described
The rotation of cycle vortex,
It is described to prevent free-wheeling system to be incorporated in the shell for being formed at the supporting mass and be formed at what is faced with the supporting mass
The inside of the shell of the end plate of the cycle vortex, and with the song for being integrally formed with a pair of mutually eccentric axles of axis
Shank part,
The pair of axle can rotatably be supported in the fixed scroll body via bearing respectively and the cycle is vortexed
The shell of body.
19. convolute-hydrodynamic mechanics as claimed in claim 14, it is characterised in that
With free-wheeling system is prevented, it is arranged between the fixed scroll body and the cycle vortex, and is prevented described
The rotation of cycle vortex,
It is described to prevent free-wheeling system to be incorporated in the shell for being formed at the supporting mass and be formed at what is faced with the supporting mass
The inside of the shell of the end plate of the cycle vortex, and with the song for being integrally formed with a pair of mutually eccentric axles of axis
Shank part,
The pair of axle can rotatably be supported in the fixed scroll body via bearing respectively and the cycle is vortexed
The shell of body.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-072383 | 2013-03-29 | ||
JP2013072383A JP6170320B2 (en) | 2013-03-29 | 2013-03-29 | Fixed scroll body and scroll type fluid machine |
Publications (2)
Publication Number | Publication Date |
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CN104074756A CN104074756A (en) | 2014-10-01 |
CN104074756B true CN104074756B (en) | 2018-03-23 |
Family
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CN201410121007.9A Active CN104074756B (en) | 2013-03-29 | 2014-03-28 | Fixed scroll body and convolute-hydrodynamic mechanics |
Country Status (3)
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JP (1) | JP6170320B2 (en) |
CN (1) | CN104074756B (en) |
BE (1) | BE1022576B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104696218B (en) * | 2015-03-24 | 2017-01-11 | 苏州艾可普斯机电科技有限公司 | Movable scroll of scroll compressor and manufacturing method of movable scroll |
CN105673083B (en) * | 2016-03-23 | 2019-07-02 | 昌恩能源科技成都有限公司 | Multiplication structure scroll expander and multiplication structure work Moving plate |
CN105673084B (en) * | 2016-03-23 | 2018-05-18 | 昌恩能源科技成都有限公司 | The quiet disk of thermal balance structure work and thermal balance structure scroll expander |
CN110139988B (en) * | 2016-12-21 | 2021-01-05 | 三菱重工业株式会社 | Scroll compressor |
JP2018189027A (en) * | 2017-05-08 | 2018-11-29 | 日立ジョンソンコントロールズ空調株式会社 | Scroll compressor |
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JPS59192883A (en) * | 1983-04-15 | 1984-11-01 | Hitachi Ltd | Scroll fluid machine |
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CN102308094A (en) * | 2009-02-03 | 2012-01-04 | 涡旋实验室公司 | Scroll compressor with materials to allow run-in |
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JPH0830469B2 (en) * | 1985-02-25 | 1996-03-27 | 株式会社日立製作所 | Oil-free scroll type fluid machinery |
US5088906A (en) * | 1991-02-04 | 1992-02-18 | Tecumseh Products Company | Axially floating scroll member assembly |
US5228309A (en) * | 1992-09-02 | 1993-07-20 | Arthur D. Little, Inc. | Portable self-contained power and cooling system |
JPH11270474A (en) * | 1998-03-20 | 1999-10-05 | Tokico Ltd | Scroll fluid machine |
JP4280367B2 (en) * | 1999-08-24 | 2009-06-17 | サンデン株式会社 | Scroll type fluid machinery |
JP2002195172A (en) * | 2000-12-27 | 2002-07-10 | Tokico Ltd | Scroll fluid machine |
JP2004144040A (en) * | 2002-10-25 | 2004-05-20 | Toyota Motor Corp | Scroll type fluid machine |
JP5812693B2 (en) * | 2011-05-09 | 2015-11-17 | アネスト岩田株式会社 | Scroll type fluid machine |
-
2013
- 2013-03-29 JP JP2013072383A patent/JP6170320B2/en not_active Expired - Fee Related
-
2014
- 2014-03-27 BE BE2014/0210A patent/BE1022576B1/en active
- 2014-03-28 CN CN201410121007.9A patent/CN104074756B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59192883A (en) * | 1983-04-15 | 1984-11-01 | Hitachi Ltd | Scroll fluid machine |
US5622487A (en) * | 1993-11-02 | 1997-04-22 | Matsushita Electric Industrial Co., Ltd. | Scroll compressor having a separate stationary wrap element secured to a frame |
JP2008008268A (en) * | 2006-06-30 | 2008-01-17 | Hitachi Ltd | Scroll type fluid machine |
US7914268B2 (en) * | 2007-09-11 | 2011-03-29 | Emerson Climate Technologies, Inc. | Compressor having shell with alignment features |
CN101946090A (en) * | 2008-03-20 | 2011-01-12 | Lg电子株式会社 | Scroll compressor |
CN102308094A (en) * | 2009-02-03 | 2012-01-04 | 涡旋实验室公司 | Scroll compressor with materials to allow run-in |
Also Published As
Publication number | Publication date |
---|---|
CN104074756A (en) | 2014-10-01 |
BE1022576B1 (en) | 2016-06-09 |
JP6170320B2 (en) | 2017-07-26 |
JP2014196690A (en) | 2014-10-16 |
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