CN104074756A - Fixed scroll and scroll type fluid machine - Google Patents
Fixed scroll and scroll type fluid machine Download PDFInfo
- Publication number
- CN104074756A CN104074756A CN201410121007.9A CN201410121007A CN104074756A CN 104074756 A CN104074756 A CN 104074756A CN 201410121007 A CN201410121007 A CN 201410121007A CN 104074756 A CN104074756 A CN 104074756A
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- China
- Prior art keywords
- end plate
- supporting mass
- fixed scroll
- shell
- cycle vortex
- Prior art date
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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
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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
- 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
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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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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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
- 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 invention aims to realize low cost of a fixed scroll and easy positioning between the fixed scroll and a cycle scroll. The fixed scroll (32) is composed of an end board (32A) and a supporter (32B) which are respectively manufactured. The end board (32A) is composed of an inside end board (32Aa), a scroll-shaped spiral part (32Ab) and a cooling fin set (52) which is formed on the back surface (33) of the inside end board (32Aa). The center of the supporter (32B) is provided with a circular hole (32Ba) for insertion of the inside end board (32Aa), and furthermore a housing (39) which accommodates a pin crank mechanism (40) is integrally formed. The end board (32A) and the supporter (32B) are detachably combined in a casing (12b). The housing (39) is integraly formed on the outer periphery end of the cycle scroll (26) and the fixed scroll (32) respectively. The housing (39) accommodates the pin crank mechanism (40).
Description
Technical field
The present invention relates to be applicable to compressor, vacuum pump, decompressor etc., the fixed scroll body that can realize cost degradation and the convolute-hydrodynamic mechanics with this fixed scroll body.
Background technique
In convolute-hydrodynamic mechanics, fixed scroll body is by forming with lower component: scroll portion, scroll wraps (the ラ ッ プ portion of itself and cycle vortex body; Lap) engagement, is imported into working medium and forms the confined chamber of pressing chamber, expansion chamber etc.; Be formed with the radiating part of cooling fin; The combined connecting part being fixed on shell; Suck the sucting of working medium.In scroll portion, in order to require high sealing, the minimizing of the pore while requiring to guarantee casting that sealing and the wearing and tearing for the tip seals being formed by solid lubricant on the front end that is arranged on scroll wraps suppress and require when suppressing compression section, the intensity of the distortion in the man-hour of adding.
In addition, requirement can form the good castability (formability) of cooling fin and can carry out efficient cooling thermal diffusivity (thermal conductivity) with narrow spacing.And, require to maintain machining accuracy and maintain good processability and the machining accuracy for shortening process time, and require to guarantee surface hardness and the surface rationality for wear prevention, corrosion.In order to meet so high performance that requires, use special aluminium (Al) alloy that has carried out the special surface processing such as hard anodize.Thus, cause expensive.
Japanese kokai publication hei 02-125988 communique (patent documentation 1) discloses following content, on the slip surface of the scroll wraps of two vortex bodyes being formed by Al alloy, produce hot sticky, wearing and tearing, on the slip surface of a scroll wraps, implement hard anodize, and on the slip surface of another scroll wraps, implement hard and be rich in the electroplating processes of lubricity.
In addition, Japanese kokai publication hei 06-10858 communique (patent documentation 2) discloses following structure,, can guarantee lightweight and machinability, and the pressure distortion of the end plate that mitigation is produced by the pressure difference inside and outside pressing chamber, in order to ensure tightness, on the end plate of fixed scroll body or cycle vortex body, be that sandwich component is clipped between the Al material of end plate by iron higher than Al material rigidity.
[prior art document]
[patent documentation]
[patent documentation 1] Japanese kokai publication hei 02-125988 communique
[patent documentation 2] Japanese kokai publication hei 06-10858 communique
The disclosed technology of patent documentation 1 in order to implement special surface processing in scroll wraps, and having to, it is expensive to become.In addition, the disclosed technology of patent documentation 2 must sandwich the processing that iron is sandwich component on end plate, thereby exists manufacturing procedure complicated, causes expensive problem.
On the other hand, owing to forming confined chamber by fixed scroll body and cycle vortex body, so need precision to carry out well two location that vortex body is mutual.On the other hand, fixed scroll body is fixed on shell, and cycle vortex body prevents that by pin crank mechanism etc. free-wheeling system is combined with fixed scroll body.Thus, for precision is carried out two location that vortex body is mutual well, need a large amount of time.In addition, in the case of positioning between the scroll wraps of two vortex bodyes, the scroll wraps of two vortex bodyes can not observe with the naked eye from outside, thereby carries out well this location for precision, needs a large amount of time.
Summary of the invention
Object of the present invention is in view of described problem, so that fixed scroll body cost degradation is object.In addition, the object of the invention is in the time of assembling convolute-hydrodynamic mechanics, can realize the mutual easy and good location of precision of fixed scroll body and cycle vortex body.
In order to realize described object, fixed scroll body of the present invention forms a part for convolute-hydrodynamic mechanics, and engage with cycle vortex body and form multiple confined chambers of inclosure working medium.Fixed scroll body has end plate and supporting mass, and end plate is formed with the scroll wraps of vortex shape on the face of facing with cycle vortex body; Supporting mass, has the space of inserting for end plate at center, around end plate configuration, and supporting is inserted into the end plate in space.
An aspect of of the present present invention is a kind of convolute-hydrodynamic mechanics, there is cycle vortex body and fixed scroll body, fixed scroll body, engage and form with cycle vortex body multiple confined chambers of enclosing working medium, fixed scroll body has end plate and supporting mass, end plate is formed with the scroll wraps of vortex shape on the face of facing with cycle vortex body; Supporting mass, has the space of inserting for end plate at center, and around end plate configuration, 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 described scroll compressor.
Fig. 3 is the stereogram that forms the fixed scroll body of described scroll compressor.
Fig. 4 is the stereogram that represents described fixed scroll body with decomposing.
Fig. 5 is the stereogram of the vortex body of described scroll compressor.
Embodiment
Below, use illustrated mode of execution to explain the present invention.But, the size, material, shape of the constituent part that present embodiment is recorded, its relatively configuration etc. as long as no especially specifically recording, just scope of the present invention is not only limited to this.
Based on Fig. 1～Fig. 5, explanation is applicable to the present invention one mode of execution of scroll compressor.Fig. 1 is the overall perspective view of the scroll compressor 10 of present embodiment.In Fig. 1, the shell of scroll compressor 10 by cover drive shaft side drum shell 12a and cover cycle vortex body and fixed scroll body and the shell 12b like oval-shaped tubular.On an axial end face of shell 12a, be formed with circular opening portion 14, the electric motor (omitting diagram) that its confession live axle 18 inserts and rotarilys actuate for confession live axle 18 is installed.
In axial end face central authorities of shell 12b, the inlet duct 16 that is taken into the hollow circle tube of the formation entrance opening portion of cooling air is arranged on the central authorities of shell 12b integratedly.On the outer circumferential face of shell 12a, the outer pipe 20 of discharging the quadrangular section of the formation outlet opening portion of cooling air arranges integratedly with shell 12a.In addition, 5 inlet ducts (only illustrating 22a, 22b and 22c) of quadrangular section are set on the outer circumferential face of shell 12b, these 5 inlet ducts, along circumferentially configuration dispersedly, form the entrance opening portion that is taken into cooling air.
In Fig. 2, on the front-end face of live axle 18, form the eccentric shaft 24 in the position parallel and eccentric with the axis of live axle 18 with axis.Therefore, when live axle 18 rotates, eccentric shaft 24 cycles (revolution).
The scroll wraps 26b of the vortex shape that cycle vortex body 26 forms by circular end plate 26a with end plate 26a forms.At the chimeric columnar bearing 28 of central part at the back side 27 of cycle vortex body 26, eccentric shaft 24 can rotate freely and be supported by bearing 28 by rolling bearing 30.Thus, cycle vortex body 26 also carries out turning motion together with eccentric shaft 24.
The structure of fixed scroll body 32 is described by Fig. 3 and Fig. 4 below.Fixed scroll body 32 is made up of manufactured end plate 32A and the supporting mass 32B in the ground of split respectively.
The scroll wraps 32Ab of the vortex shape that end plate 32A forms by the tabular inner side end plate 32Aa of circle with a face of inner side end plate 32Aa forms.As shown in Figure 4, on the back side 33 of inner side end plate 32Aa, be formed with the first cooling fin group 52.The first cooling fin group 52 from the exhaust port 36(at center that is arranged at inner side end plate 32Aa with reference to Fig. 2) surrounding towards outer circumference end, by forming to the cooling fin 52a of the extended a large amount of rectilinear form of radiation direction.
In 6 positions of the circumferential dispersion along inner side end plate 32Aa, give prominence to towards radial direction outside the flange 34 that is provided with rectangular shape from the back side 33 of inner side end plate 32Aa.On flange 34, be provided with bolt hole 34a.End plate 32A is made up of the such as Al such as AC4A or AC4C alloy.Like this, by the peripheral end face of inner side end plate 32Aa with formed the cover pipe connection structure of chimeric supporting mass 32B from the one side of the outstanding flange 34 of this peripheral end face.
Supporting mass 32B is and has with the circle of the circular port 32Ba of the outer circumference end pine of inner side end plate 32Aa chimeric (Swam embedding) tabular at central part.End plate 32A and supporting mass 32B are configured to concentric shape.Supporting mass 32B is made up of FC material.On supporting mass 32B, equally spaced 3 positions on circumferentially, are provided with the shell 39 of receiving pin crank mechanism 40 described later integratedly.Shell 39, also in the outer circumference end of cycle vortex body 26, is arranged on the position of facing with the shell 39 that is arranged at supporting mass 32B.In addition, be provided with multiple interior threaded holes 35 at the circumferential position of the supporting mass 32B corresponding with the bolt hole 34a of flange 34.
Supporting mass 32B is fixed on shell 12b in the inside of shell 12b.End plate 32A is that bolt 37 is inserted into bolt hole 34a under the state of circular port 32Ba that is inserted into supporting mass 32B, and screws togather with interior threaded hole 35, is installed in thus on supporting mass 32B.The circular port 32Ba of the peripheral end face of end plate 32A and supporting mass 32B absorbs the thermal expansion difference of the difference generation of the material because forming both, and has the required micro-gap of contraposition between scroll wraps 32Ab and the scroll wraps 26b of cycle vortex body 26.
In Fig. 2, fixed scroll body 32 has formed cycle vortex body 26 and multiple pressing chamber c.By the turning motion of cycle vortex body 26, air is inhaled into from suction port (omit diagram), compressed in multiple pressing chamber c after, be discharged from from the exhaust port 36 that is formed at fixed scroll Ti32 center.The pressurized air of discharging from exhaust port 36 is fed into and needs destination from the discharge tube 38 being connected with exhaust port 36.The central part at the back side 33 of fixed scroll body 32 in the face of the opening portion of inlet duct 16 be configured.
In the outer circumference end of cycle vortex body 26 and fixed scroll body 32,, be provided with as the pin crank mechanism 40 that prevents free-wheeling system with 120 ° of intervals in 3 circumferential positions.Pin crank mechanism 40 is incorporated in the inside of the shell 39 that is arranged at fixed scroll body 32 and cycle vortex body 26.Pin crank mechanism 40 has by a pair of bearing pin 44a of the position of and mutual bias parallel in axis and the crank part 42 that 44b forms.In the present embodiment, a pair of bearing pin 44a and 44b form.A bearing pin 44a can rotate freely and be supported on the shell 39 being integrally formed with end plate 26a via rolling bearing 46, and another bearing pin 44b can rotate freely and be supported on the shell 39 being integrally formed with supporting mass 32B via rolling bearing 48.By the pin crank mechanism 40 of described structure, prevent the rotation of cycle vortex body 26.
Centrifugal cutter 50 is installed on live axle 18.Centrifugal cutter 50 is by being installed on the circular end plate 50a of live axle 18 and forming along multiple blade 50b of the circumferential installation of end plate 50a.Centrifugal cutter 50 rotates together with live axle 18, thus, the cooling air flowing into along live axle 18 is sent to radial direction outside.
On the back side 27 of the end plate 26a of cycle vortex body 26, be formed with the second cooling fin group 54.The second cooling fin group 54 is made up of along the cooling fin 54a of the extended a large amount of straight line shape of radiation direction laterally the surrounding from bearing 28 centered by bearing 28.
In addition, in scroll compressor 10, be formed with the first cooling air passway that is mainly used in cooling fixed scroll body 32 and the second cooling air passway that is mainly used in cooling cycle vortex body 26.Rotate by centrifugal cutter 50, import cooling air to these cooling air passways.With respect to the back side 27 of cycle vortex body 26 and the front end position of live axle 18, there is compartment of terrain and be provided with pipe 56.Pipe 56 has the shape at the front end position that covers the back side 27 and live axle 18.The inner space of pipe 56 has formed the second cooling air passway being communicated with inlet duct 22a～22e.
In addition, have pipe 58 in the arranged outside of pipe 56, this pipe 58 has compartment of terrain with pipe 56 and surrounds pipe 56.In the outer circumference end of fixed scroll body 32 and cycle vortex body 26, between inlet duct 22a～22e, be formed with the first cooling air passway being formed by the multiple paths that are communicated with inlet duct 16.The inner space of pipe 58 is formed with the first cooling air passway, and this first cooling air passway is communicated to the path being communicated with these inlet ducts 16.In addition, pipe 56 and pipe 58 are configured to concentric shape with respect to live axle 18.
First, the structure of the first cooling air passway is described.Rotate by centrifugal cutter 50, suck cooling air a1 from inlet duct 16.Cooling air a1 contacts with the central part at the back side 33 of fixed scroll body 32, and flows between cooling fin 52a from this central part to outer circumference end, and cooling fixed scroll body 32.The cooling air a1 that has arrived the outer circumference end of fixed scroll body 32 upwards flows into the path being formed between pipe 56 and pipe 58, cooling cycle vortex body 26 and live axle 18 here from the path being formed between inlet duct 22a～22e in week.Then, cooling air a1 arrives centrifugal cutter 50, is sent to the radial direction outside of centrifugal cutter 50 by centrifugal cutter 50, is discharged from from outer pipe 20.
Below, the structure of the second cooling air passway is described.Rotate by centrifugal cutter 50, cooling air a2 is inhaled into the inside of shell 12b from inlet duct 22a～22e.Cooling air a2 flows in the second cooling air passway of inner side that is formed at pipe 56, now, between cooling fin 54a, flows, and cooling cycle vortex body 26 thus.And, change direction, around live axle 18, flow, after cooling live axle 18, arrive centrifugal cutter 50.And, be sent to the radial direction outside of centrifugal cutter 50 by centrifugal cutter 50, be discharged from from outer pipe 20.
Fig. 5 combines the supporting mass 32B of fixed scroll body 32 and the state of cycle vortex body 26 before being illustrated in end plate 32A being installed.
In the present embodiment, in the situation that fixed scroll body 32 and cycle vortex body 26 are arranged on shell 12b, first, only the supporting mass 32B of fixed scroll body 32 is arranged on to shell 12b upper, and via pin crank mechanism 40, cycle vortex body 26 is arranged on supporting mass 32B.Secondly, by measuring the height t taking the end plate 26a of cycle vortex body 26 as the supporting mass 32B of benchmark, adjust assembling position, the gap between end plate and the scroll wraps front end of two vortex bodyes is not substantially existed.It should be noted that, in fact between the end plate of two vortex bodyes and scroll wraps front end, have gap, this gap is with the substantially gap in die compaction space fully of micron order.
According to present embodiment, fixed scroll body 32 is divided into end plate 32A and supporting mass 32B to be formed, by have high rigidity and cheaply material be that FC material is manufactured supporting mass 32B, thereby can keep required intensity, and the manufacturing expense of fixed scroll body 32 is reduced.
In addition, in the situation that fixed scroll body 32 and cycle vortex body 26 are arranged on shell 12b, first, only supporting mass 32B and cycle vortex body 26 are assembled, thus, can visually observe the inside of vortex body and assemble, thereby can easily be fixed the good location of precision between vortex body 32 and cycle vortex body 26.
In addition, end plate 32A is formed as circular plate shape, end plate 32A and supporting mass 32B are mutually with the configuration of concentric shape, thereby scroll wraps 32Ab becomes easily to the formation of end plate 32A, and combination between combination and supporting mass 32B and cycle vortex body 26 between end plate 32A and supporting mass 32B becomes easy.
In addition, the end plate 26a of supporting mass 32B and cycle vortex body 26 is formed on shell 39, thereby the installation of pin crank mechanism 40 becomes easily, and by pin crank mechanism 40, cycle vortex body 26 is also become to easy to the installation of supporting mass 32B.
In addition, the chimeric position of the end plate 32A of fixed scroll body 32 and supporting mass 32B adopts cover pipe connection structure, thus, it is easy that the dismounting of end plate 32A and supporting mass 32B becomes, and the axial dimension of fixed scroll body 32 does not adopt compared with 2 situations of cutting apart structure that independently part forms and does not increase with fixed scroll body 32, can the structure of fixed scroll body 32 be suppressed compactly.
In addition, owing to preventing that free-wheeling system from adopting pin crank mechanism 40, so can will prevent that free-wheeling system is accommodated on the shell 39 being integrally formed with supporting mass 32B, thus, the location of fixed scroll body 32 and cycle vortex body 26 becomes easy.
In addition, in the first cooling air passway, can be by the cooling air a1 of the firm low temperature flowing into from inlet duct 16, the central part of the cooling fixed scroll body 32 that especially becomes high temperature, thus can improve cooling effect.In addition, cooling air a1 mobile in the first cooling air passway flows between cooling fin 52a, can improve thus the cooling effect of fixed scroll body 32.
In the second cooling air passway, the cooling air a2 being inhaled into from inlet duct 22a～22e flows between cooling fin 54a, can improve thus the cooling effect of cycle vortex body 26.In addition, cooling air a1 and a2 mobile in pipe 56 and 58 are directed to central part concentrated area, can increase the flow of the cooling air of central part, and can improve the cooling effect of central part.
In addition, cooling air passway is divided into the first cooling air passway and the second cooling air passway, and by cooling fin 52a and cooling fin 54a towards the flow direction of cooling air configure, thereby can reduce the pressure loss of cooling air.Thus, can cut down the power consumption of scroll compressor 10.
In addition, by inlet duct 22a～22e in the upwards configuration dispersedly of week of shell 12b, and by the first cooling air passway between inlet duct 22a～22e along circumferentially configuration dispersedly, thereby can avoid the maximization of shell 12b.And pipe 56 and 58 configures with concentric shape with respect to live axle 18, thereby can make shell 12a compactness, thus, can make shell 12a miniaturization.
In addition, as preventing that free-wheeling system is provided with pin crank mechanism 40, free-wheeling system simplification and cost degradation can be made thus to prevent, thus, the maximization of shell can be prevented.
In addition, as cooling fan, be provided with the centrifugal cutter 50 that can increase static pressure, can increase thus the air quantity of cooling air a1 and a2, and then can improve cooling effect.
In addition, use such as sirocco fan of other forms of centrifugal cutter, also can obtain same cooling effect.
In the above-described embodiment, end plate and supporting mass are manufactured independently, thereby in the time assembling to shell, combination removably.
In the supporting mass at the periphery position of formation fixed scroll body and formation, compared with the end plate at all positions, the aspect of performance beyond intensity, does not require the performance that end plate is so high.As embodiment described above, by manufacturing independently supporting mass and end plate, can, with the supporting mass of material manufacture cheaply, thus, can make the manufacture cost degradation of fixed scroll body.
In addition, in the situation that fixed scroll body and cycle vortex body are arranged on shell, first, supporting mass is arranged on shell.Then,, after cycle vortex body is arranged on supporting mass, the end plate of fixed scroll body is installed.By carrying out assembling operation with this order, can visually observe the scroll wraps of cycle vortex body, and carry out assembling operation.Thus, two mutual assembling operations of vortex body become easily, and can precision carry out well the location of the scroll wraps of two vortex bodyes.
In order to ensure the sealing of confined chamber, scroll wraps front end and and the end plate faced of this scroll wraps between not form gap be important.According to above-mentioned mode of execution, first, cycle vortex body is assembled on supporting mass, can directly measure thus the front position of scroll wraps and the relative position of fixed scroll body and end plate of cycle vortex body.Thus, can easily carry out the good location of precision between scroll wraps front end and end plate.
As a mode of the present invention, end plate is formed as circular plate shape, and end plate and supporting mass are mutually with concentric shape configuration.Thus, scroll wraps becomes easily to the formation of end plate, and combination between combination and supporting mass and cycle vortex body between end plate and supporting mass becomes easy.
As a mode of the present invention, supporting mass, in week multiple positions upwards, forms the shell that is useful on the mechanism of receiving the rotation that prevents cycle vortex body.Thus, prevent that the installation of free-wheeling system from becoming easily, and cycle vortex body is via preventing that free-wheeling system from also becoming easy to the installation of supporting mass.
As a mode of the present invention, the support of the supporting mass of bearing end plate, comprise the flange at least any one party that is arranged on end plate or supporting mass, and between this support and the outer circumference end of end plate, formed cover pipe connection structure, end plate and supporting mass are such as, by conjunction (bolt etc.) combined via flange.; the outer circumference end of the support of the supporting mass of bearing end plate, end plate and be arranged at end plate or the flange of at least any one party of supporting mass between formed cover pipe connection structure, end plate and supporting mass can be such as, by conjunction (bolt etc.) combined via flange.
Thus, can easily carry out the dismounting of end plate and supporting mass, and can not increase fixed scroll body axial size make fixed scroll body compactness.
As a mode of the present invention, can form end plate by Al alloy, the parts higher than Al alloy by rigidity form supporting mass.Thus, end plate can fully meet the aforesaid performance that requires, and supporting mass uses the parts that formed by the rigidity material higher than Al alloy, can meet thus the desired intensity of outside left of fixed scroll body.
For example, can form supporting mass by FC material (grey cast iron).Thus, can be with low cost fabrication outside left.
In addition, the convolute-hydrodynamic mechanics of a mode of the present invention is the convolute-hydrodynamic mechanics with the fixed scroll body of described structure.For example, in the situation such as scroll compressor, DRY SCROLL VACUUM PUMP, compression work medium in the multiple confined chambers that are made up of fixed scroll body and cycle vortex body in the situation that of scroll expansion machine, makes working medium expand in described multiple confined chambers.
According to the convolute-hydrodynamic mechanics of a mode of the present invention, there is the fixed scroll body of described formation, thus, can make fixed scroll body cost degradation, and in the time of assembling convolute-hydrodynamic mechanics, can realize the mutual easy and good location of precision of fixed scroll body and cycle vortex body.
As a mode of convolute-hydrodynamic mechanics of the present invention, can there is the free-wheeling system of preventing, it is arranged between fixed scroll body and cycle vortex body, and prevents the rotation of cycle vortex body.And, this prevents that free-wheeling system is incorporated in the inside that is formed at the shell of supporting mass and is formed at the shell of the end plate of the above-mentioned cycle vortex body of facing with above-mentioned supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually, a pair of axle can rotate freely via bearing the shell that is supported in fixed scroll body and cycle vortex body respectively.
Thus, can will prevent that free-wheeling system is accommodated in the shell that is formed at supporting mass and cycle vortex body, thereby can make to prevent free-wheeling system compactness, and via preventing that free-wheeling system is combined in cycle vortex body in the operation on supporting mass, the location between fixed scroll body and cycle vortex body becomes easy.
According to above-mentioned mode of execution, due to fixed scroll body is formed as to end plate and supporting mass separatedly, so can make fixed scroll body cost degradation, and can be easily and precision be fixed well the location between vortex body and cycle vortex body.
Industrial applicibility
According to above-mentioned mode of execution, can make fixed scroll body cost degradation, and can be easily and precision be fixed well the location between vortex body and cycle vortex body.
Above, only several mode of executions of the present invention are illustrated, but can substantially not depart from new enlightenment of the present invention, advantage, illustrative mode of execution are carried out to various changes or improvement, this can easily understand to those skilled in the art.Therefore the mode of execution that, has applied such change or improvement is also contained in technical scope of the present invention.
The application is that the Japanese patent application based on proposing on March 29th, 2013 is advocated preference No. 2013-072383.Whole disclosures including specification, claims, accompanying drawing and summary of No. 2013-072383rd, the Japanese patent application that on March 29th, 2013 proposes are as merging in the application with reference to entirety.
Whole disclosures including specification, claims, accompanying drawing and summary of Japanese kokai publication hei 02-125988 communique and Japanese kokai publication hei 06-10858 communique are as merging in the application with reference to entirety.
The explanation of reference character
10 scroll compressors
12a, 12b shell
14 opening portions
16,22a～22e inlet duct
18 live axles
20 outer pipes
24 eccentric shafts
26 cycle vortex bodyes
26a end plate
26b scroll wraps
27 back sides
28 bearings
30,46,48 rolling bearings
32 fixed scroll bodies
32A end plate
End plate inside 32Aa
32Ab scroll wraps
32B supporting mass
32Ba circular port
33 back sides
34 flanges
34a bolt hole
35 interior threaded holes
36 exhaust ports
37 bolts
38 discharge tubes
39 shells
40 pin crank mechanisms
42 crank parts
44a, 44b bearing pin
50 centrifugal cutters
50a end plate
50b blade
52 first cooling fin groups
52a cooling fin
54 second cooling fin groups
54a cooling fin
56,58 pipes
A1, a2 cooling air
C pressing chamber
Claims (19)
1. a fixed scroll body, it forms a part for convolute-hydrodynamic mechanics, engages and form with cycle vortex body multiple confined chambers of enclosing working medium,
Described fixed scroll body is characterised in that to have end plate and supporting mass,
Described end plate is formed with the scroll wraps of vortex shape on the face of facing with described cycle vortex body;
Described supporting mass, has the space of inserting for described end plate at center, around described end plate configuration, and supporting is inserted into the described end plate in described space.
2. fixed scroll body as claimed in claim 1, is characterized in that, described end plate is formed with cooling fin on another face of face that is formed with described scroll wraps.
3. fixed scroll body as claimed in claim 2, is characterized in that, described end plate is formed as circular plate shape, and described end plate and described supporting mass are mutually with concentric shape configuration.
4. the fixed scroll body as described in any one in claim 1～3, is characterized in that, described supporting mass, at circumferential multiple positions, forms the shell that is useful on the mechanism of receiving the rotation that prevents described cycle vortex body.
5. the fixed scroll body as described in any one in claim 1～3, it is characterized in that, support the support of the described supporting mass of described end plate, the flange of at least any one party that is arranged at described end plate or described supporting mass and the outer circumference end of described end plate and formed cover pipe connection structure, described end plate and described supporting mass are combined by conjunction via described flange.
6. the fixed scroll body as described in any one in claim 1～3, is characterized in that, described end plate is made up of aluminum alloy, and described supporting mass is made up of the rigidity parts higher than aluminum alloy.
7. fixed scroll body as claimed in claim 6, is characterized in that, the parts that rigidity is higher than described aluminum alloy are made up of FC material.
8. a convolute-hydrodynamic mechanics, is characterized in that, has cycle vortex body and fixed scroll body,
Described fixed scroll body, engages and forms with described cycle vortex body multiple confined chambers of enclosing working medium,
Described fixed scroll body has end plate and supporting mass,
Described end plate is formed with the scroll wraps of vortex shape on the face of facing with described cycle vortex body;
Described supporting mass, has the space of inserting for described end plate at center, and around described end plate configuration, supporting is inserted into the described end plate in described space.
9. convolute-hydrodynamic mechanics as claimed in claim 8, is characterized in that, the described end plate of described fixed scroll body is formed with cooling fin on another face of face that is formed with described scroll wraps.
10. convolute-hydrodynamic mechanics as claimed in claim 9, is characterized in that, described end plate is formed as circular plate shape, and described end plate and described supporting mass are mutually with concentric shape configuration.
11. convolute-hydrodynamic mechanics as described in any one in claim 8～10, is characterized in that, described supporting mass forms the shell that is useful on storage and prevents the mechanism of the rotation of described cycle vortex body at circumferential multiple positions.
12. convolute-hydrodynamic mechanics as described in any one in claim 8～10, it is characterized in that, the support that supports the described supporting mass of described end plate comprises the flange of at least any one party that is arranged at described end plate or described supporting mass, and having formed cover pipe connection structure between described support and the outer circumference end of described end plate, described end plate and described supporting mass are combined by conjunction via described flange.
13. convolute-hydrodynamic mechanics as described in any one in claim 8～10, is characterized in that, described end plate is made up of aluminum alloy, and described supporting mass is made up of the rigidity parts higher than aluminum alloy.
14. convolute-hydrodynamic mechanics as claimed in claim 13, is characterized in that, the parts that described rigidity is higher than aluminum alloy are made up of FC material.
15. convolute-hydrodynamic mechanics as described in any one in claim 8～10, is characterized in that,
There is the free-wheeling system of preventing, be arranged between described fixed scroll body and described cycle vortex body, and prevent the rotation of described cycle vortex body,
Describedly prevent that free-wheeling system is incorporated in the inside that is formed at the shell of described supporting mass and is formed at the shell of the end plate of the described cycle vortex body of facing with described supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually,
Described a pair of axle can rotate freely on the shell that is supported in described fixed scroll body and described cycle vortex body via bearing respectively.
16. convolute-hydrodynamic mechanics as claimed in claim 11, is characterized in that,
Have the free-wheeling system of preventing, it is arranged between described fixed scroll body and described cycle vortex body, and prevents the rotation of described cycle vortex body,
Describedly prevent that free-wheeling system is incorporated in the inside that is formed at the shell on described supporting mass and is formed at the shell on the end plate of the described cycle vortex body of facing with described supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually
Described a pair of axle can rotate freely via bearing the shell that is supported in described fixed scroll body and described cycle vortex body respectively.
17. convolute-hydrodynamic mechanics as claimed in claim 12, is characterized in that,
Have the free-wheeling system of preventing, it is arranged between described fixed scroll body and described cycle vortex body, and prevents the rotation of described cycle vortex body,
Describedly prevent that free-wheeling system is incorporated in the inside that is formed at the shell of described supporting mass and is formed at the shell of the end plate of the described cycle vortex body of facing with described supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually,
Described a pair of axle can rotate freely via bearing the shell that is supported in described fixed scroll body and described cycle vortex body respectively.
18. convolute-hydrodynamic mechanics as claimed in claim 13, is characterized in that,
Have the free-wheeling system of preventing, it is arranged between described fixed scroll body and described cycle vortex body, and prevents the rotation of described cycle vortex body,
Describedly prevent that free-wheeling system is incorporated in the inside that is formed at the shell of described supporting mass and is formed at the shell of the end plate of the described cycle vortex body of facing with described supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually,
Described a pair of axle can rotate freely via bearing the shell that is supported in described fixed scroll body and described cycle vortex body respectively.
19. convolute-hydrodynamic mechanics as claimed in claim 14, is characterized in that,
Have the free-wheeling system of preventing, it is arranged between described fixed scroll body and described cycle vortex body, and prevents the rotation of described cycle vortex body,
Describedly prevent that free-wheeling system is incorporated in the inside that is formed at the shell of described supporting mass and is formed at the shell of the end plate of the described cycle vortex body of facing with described supporting mass, and have and form the axis crank part of eccentric a pair of axle mutually,
Described a pair of axle can rotate freely via bearing the shell that is supported in described fixed scroll body and described cycle vortex body respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013072383A JP6170320B2 (en) | 2013-03-29 | 2013-03-29 | Fixed scroll body and scroll type fluid machine |
| JP2013-072383 | 2013-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104074756A true CN104074756A (en) | 2014-10-01 |
| CN104074756B CN104074756B (en) | 2018-03-23 |
Family
ID=50877204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121007.9A Active CN104074756B (en) | 2013-03-29 | 2014-03-28 | Fixed scroll body and convolute-hydrodynamic mechanics |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6170320B2 (en) |
| CN (1) | CN104074756B (en) |
| BE (1) | BE1022576B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696218A (en) * | 2015-03-24 | 2015-06-10 | 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 |
| CN105673083A (en) * | 2016-03-23 | 2016-06-15 | 昌恩能源科技成都有限公司 | Multiplication structure vortex expander and multiplication structure working moving discs |
| CN105673084A (en) * | 2016-03-23 | 2016-06-15 | 昌恩能源科技成都有限公司 | Working static disc of heat balance structure and vortex expansion machine of heat balance structure |
| CN110139988A (en) * | 2016-12-21 | 2019-08-16 | 三菱重工业株式会社 | Scrawl compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104696218A (en) * | 2015-03-24 | 2015-06-10 | 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 |
| CN105673083A (en) * | 2016-03-23 | 2016-06-15 | 昌恩能源科技成都有限公司 | Multiplication structure vortex expander and multiplication structure working moving discs |
| CN105673084A (en) * | 2016-03-23 | 2016-06-15 | 昌恩能源科技成都有限公司 | Working static disc of heat balance structure and vortex expansion machine of heat balance structure |
| 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 |
| CN110139988A (en) * | 2016-12-21 | 2019-08-16 | 三菱重工业株式会社 | Scrawl compressor |
| CN110139988B (en) * | 2016-12-21 | 2021-01-05 | 三菱重工业株式会社 | Scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104074756B (en) | 2018-03-23 |
| JP6170320B2 (en) | 2017-07-26 |
| BE1022576B1 (en) | 2016-06-09 |
| JP2014196690A (en) | 2014-10-16 |
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