CN110300853A - Dual rotary Scrawl compressor - Google Patents
Dual rotary Scrawl compressor Download PDFInfo
- Publication number
- CN110300853A CN110300853A CN201880011978.4A CN201880011978A CN110300853A CN 110300853 A CN110300853 A CN 110300853A CN 201880011978 A CN201880011978 A CN 201880011978A CN 110300853 A CN110300853 A CN 110300853A
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- CN
- China
- Prior art keywords
- driven
- driving
- sidewall bodies
- driving side
- bearing part
- Prior art date
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Classifications
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/02—Rotary-piston machines or engines 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
- F01C1/0207—Rotary-piston machines or engines 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
- F01C1/0246—Details concerning the involute wraps or their base, e.g. geometry
- F01C1/0253—Details concerning the base
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/02—Rotary-piston machines or engines 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
- F01C1/0207—Rotary-piston machines or engines 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
- F01C1/023—Rotary-piston machines or engines 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 both members are moving
-
- 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
- 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
-
- 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
- F04C18/023—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 both members are moving
-
- 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
- F04C18/023—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 both members are moving
- F04C18/0238—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 both members are moving with symmetrical double wraps
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
Abstract
Dual rotary Scrawl compressor has driving side scroll element and slave end scroll element (90), the driving side scroll element is driven by driving portion and is rotated, and there are the gyrate driving sidewall bodies for being configured at driving side end panel, the slave end scroll element (90), which has, is configured at driven side end panel (90a) and driven sidewall bodies corresponding with driving sidewall bodies, engages to form discharge chambe with driving sidewall bodies by driven sidewall bodies.The dual rotary Scrawl compressor is provided with the first bearing part (33), first bearing part (33) rotates and the positioning pin (40) positioned to the phase around rotation axis with the top in the axial direction of the first driven sidewall bodies (91b) to connect with the first driven sidewall bodies (91b) together, positioning pin (40) is pressed into the first bearing part (33), and is embedded into the first driven sidewall bodies (91b) with non-indentation state.
Description
Technical field
The present invention relates to a kind of dual rotary Scrawl compressors.
Background technique
Conventionally, there is known a kind of dual rotary Scrawl compressor (referring to patent document 1).The dual rotary Scrawl compressor
Have: driving side scroll and together with driving side scroll synchronous rotary slave end scroll, also, make bearing from
Amount of the driven shaft of the rotation of dynamic side scroll relative to the driving axle offset radius of gyration for rotating driving side scroll, in turn
Make drive shaft and driven shaft in the same direction with the rotation of identical angular speed.
Existing technical literature
Patent document
Patent document 1: No. 5443132 bulletins of Japanese Patent No.
Dual rotary Scrawl compressor uses the top of the swirl shape wall body of driving side scroll, slave end scroll sometimes
The construction of supported portion part bearing.Using such construction, in order to become the engagement of swirl shape wall body reliably,
It is provided with the positioning pin being accurately positioned around the phase of rotation axis to driving side scroll and slave end scroll.But
It is that, if positioning pin is pressed into swirl shape wall body, wall body may deform and damage the mutual engagement of wall body, it is performance, resistance to
Long property can reduce.
Summary of the invention
Given this situation the present invention makes, its purpose is to provide one kind to be determined using positioning pin wall body
The dual rotary Scrawl compressor that when position performance, durability will not reduce.
In order to solve the above problems, dual rotary Scrawl compressor of the invention uses means below.
That is, dual rotary Scrawl compressor involved in a mode of the invention has: driving side scroll element, the driving
Side scroll element is driven by driving portion and is rotated, and has the gyrate driving sidewall bodies for being configured at driving side end panel；From
Dynamic side scroll element, which, which has, is configured at driven side end panel and corresponding driven with the driving sidewall bodies
Sidewall bodies engage to form discharge chambe by the driven sidewall bodies with the driving sidewall bodies；And synchronous drive mechanism, this is same
It walks driving mechanism and transmits driving force from the driving side scroll element to the slave end scroll element, so that the driving side whirlpool
It revolves component and the slave end scroll element and spinning motion is carried out with identical angular speed in the same direction, the dual rotary is vortexed
Type compressor is provided with bearing part, which passes through positioning pin and the driving sidewall bodies and the driven sidewall bodies
In at least any one party axial direction on top connection and rotated together with the wall body, the positioning pin is to the phase around rotation axis
Position is positioned, and the positioning pin is pressed into the bearing part, and is embedded into the wall body with non-indentation state.
The driving sidewall bodies for being configured at the end plate of driving side scroll element and slave end corresponding to slave end scroll element
Wall body engagement.Driving side scroll element is driven by driving portion and is rotated, and is transmitted to the driving force warp of driving side scroll element
Slave end scroll element is transmitted to by synchronous drive mechanism.Slave end scroll element rotates and relative to driving side as a result,
Scroll element carries out spinning motion in the same direction with identical angular speed.In this way, providing driving side scroll element and slave end
The dual rotation type Scrawl compressor of both scroll elements rotation.
Wall body and bearing part pass through positioning pin connection.Positioning pin is pressed into bearing part, and on the other hand, positioning pin is with non-
Indentation state is embedded into wall body.Thereby, it is possible to positioning pin is firmly fixed at bearing part and will not be come to wall body band by fixed
Shape distortion caused by the insertion of position pin.Since wall body does not generate shape distortion, performance, the drop of durability not will lead to
It is low.
In addition, referring to " with the insertion of non-indentation state " expands pin hole deformation by the way that positioning pin is chimeric, to not bring
The insertion of the degree of the shape distortion of component, such as clearance fit can be enumerated.
Also, in the dual rotary Scrawl compressor involved in a mode of the invention, the positioning pin is around the rotation
Shaft axis is provided at least two.
By positioning pin at setting two, can determine around the position of rotation axis.
Also, in the dual rotary Scrawl compressor involved in a mode of the invention, the driving side scroll element
Have the first driving side scroll portion and the second driving side scroll portion, the first driving side scroll portion have first driving side end panel and
First driving sidewall bodies, and driven by the driving portion；The second driving side scroll portion has the second driving side end panel and second
Drive sidewall bodies, also, the slave end scroll element has the first driven sidewall bodies and the second driven sidewall bodies, this first from
Dynamic sidewall bodies are set to the one side of the driven side end panel, and engage with the first driving sidewall bodies；Second slave end
Wall body is set to the another side of the driven side end panel, and engages with the second driving sidewall bodies, and the dual rotary is vortexed
Type compressor has the first bearing part and the second bearing part, which is clipped in the first driving side end panel
Configure therebetween, and the tip side being fixed in the axial direction of the described first driven sidewall bodies and with the described first driven sidewall bodies one
Play rotation；Second bearing part configures the second driving side end panel sandwiched therebetweenly, and it is driven to be fixed on described second
Tip side in the axial direction of sidewall bodies and rotated together with the described second driven sidewall bodies, also, the positioning pin is set to institute
It states between the first driven sidewall bodies and the first bearing part and between the second driven sidewall bodies and the second bearing part.
In the case where slave end scroll element has the first driven sidewall bodies and the second driven sidewall bodies, with respective institute
Positioning pin is set between the bearing part of connection.
The effect of invention
Wall body is on the other hand embedded in non-indentation state since positioning pin is pressed into bearing part, not the property of will lead to
The reduction of energy, durability.
Detailed description of the invention
Fig. 1 is the longitudinal section view for indicating dual rotary Scrawl compressor involved in first embodiment of the invention.
Fig. 2 is to indicate the partial, longitudinal cross-sectional being set to around the positioning pin of the first driven sidewall bodies.
Fig. 3 is the partial, longitudinal cross-sectional for indicating the variation of Fig. 2.
Fig. 4 is the partial, longitudinal cross-sectional for indicating other variations of Fig. 2.
Fig. 5 is the longitudinal section view for indicating dual rotary Scrawl compressor involved in second embodiment.
Specific embodiment
Hereinafter, being illustrated to one embodiment of the present invention.
[first embodiment]
The dual rotary Scrawl compressor (Scrawl compressor) 1 of first embodiment is shown in FIG. 1.Dual rotary whirlpool
Rotation type compressor 1 can be compressed as the combustion air (fluid) of the opposite supply of the internal combustion engine such as mobile engine
Booster come using.
Dual rotary Scrawl compressor 1 has: shell 3；It is accommodated in the motor (driving portion) 5 of the one end of shell 3；With
And it is accommodated in the driving side scroll element 70 and slave end scroll element 90 of the another side of shell 3.
Shell 3 is arranged to substantially cylindrical shape, and has: the motor incorporating section 3a and receipts of storage motor 5
Receive the vortex incorporating section 3b of scroll element 70,90.
In motor incorporating section, the periphery of 3a is provided with for carrying out cooling cooling fins 3c to motor 5.It is being vortexed
The end of part incorporating section 3b is formed with the outlet 3d for compressed air (working fluid) to be discharged.Though in addition, in Fig. 1
It is not shown, but shell 3 is provided with the air suction inlet of sucking air (working fluid).
By supplying electric power from power supply source (not shown) come drive motor 5.The rotation control of motor 5 is by coming
It is carried out from the instruction of control unit (not shown).The stator 5a of motor 5 is fixed on the inner circumferential side of shell 3.The rotor 5b of motor 5
It is rotated around driving side rotation axis CL1.The drive shaft 6 extended on driving side rotation axis CL1 is connected in rotor 5b.Driving
Axis 6 is connect with the first driving side axle portion 7c of driving side scroll element 70.
Driving side scroll element 70 has the first driving side scroll portion 71 of 5 side of motor and the second of the side outlet 3d drives
Dynamic side scroll portion 72.
First driving side scroll portion 71 has the driving of the first driving side end panel 71a and first sidewall bodies 71b.
First driving side end panel 71a connect with the first driving side axle portion 7c for being connected to drive shaft 6, and with driving side
Rotation axis CL1 orthogonal side upwardly extends.First driving side axle portion 7c is via the first inboard bearing for being set as ball bearing
11 and be rotatably set to shell 3.
First driving side end panel 71a is set as in the case where overlook view in substantially circular plate shape.As shown in Fig. 2,
It is provided on first driving side end panel 71a and is set as gyrate multiple first driving sidewall bodies 71b.First driving sidewall bodies
71b is equally spaced configured around driving side rotation axis CL1.
Second driving side scroll portion 72 has the driving of the second driving side end panel 72a and second sidewall bodies 72b.Second driving side
Wall body 72b is set as swirl shape in the same manner as the first above-mentioned driving sidewall bodies 71b and is provided with multiple.
Columnar second upwardly extended in the driving side rotation axis side CL1 is connected in the second driving side end panel 72a
Driving side axle portion 72c.Second driving side axle portion 72c is via the second inboard bearing 14 for being set as ball bearing and rotatably freely
It is set to shell 3.Discharge port 72d is formed with along driving side rotation axis CL1 in the second driving side end panel 72a.
Between the second driving side axle portion 72c and shell 3, the second driving side axle portion is being leaned on than the second inboard bearing 14
There are two seal members 16 for setting for the tip side (being left side in Fig. 1) of 72c.Two seal members 16 and the second inboard bearing 14
It is configured to that there is specified interval on the direction driving side rotation axis CL1.Be sealed between two seal members 16 for example by
It is set as the lubricant of the lubricating grease as semisolid lubricants.In addition, seal member 16 also can be set to one.In the situation
Under, lubricant is sealing between seal member 16 and the second inboard bearing 14.
First driving side scroll portion 71 and the second driving side scroll portion 72 with the top (free end) of wall body 71b, 72b each other
The state faced each other is fixed.The fixation of first driving side scroll portion 71 and the second driving side scroll portion 72 is convex by being anchored on
The wall body fixing bolt (wall body fixed part) 31 of edge 73 carries out, and the flange part 73 is in a manner of outstanding on the outside of radial direction
It is provided with many places in a circumferential direction.
Slave end scroll element 90 has the driven side for the substantial middle being located on axial (being horizontal direction in figure)
Plate 90a.It is formed with discharge through hole (through hole) 90h in the center of driven side end panel 90a, compressed air can flow to discharge
Port 72d.
The one side of driven side end panel 90a is provided with the first driven sidewall bodies 91b, in the another of driven side end panel 90a
Side is provided with the second driven sidewall bodies 92b.The first driven sidewall bodies 91b being arranged from driven side end panel 90a to 5 side of motor
It engages with the first driving sidewall bodies 71b of the first driving side scroll portion 71, is arranged from driven side end panel 90a to the side outlet 3d
Second driven sidewall bodies 92b is engaged with the second driving sidewall bodies 72b of the second driving side scroll portion 72.
Both ends in the axial direction (being horizontal direction in figure) of slave end scroll element 90 are provided with the first bearing part
33 and second bearing part 35.First bearing part 33 is configured at 5 side of motor, and the second bearing part 35 is configured at outlet 3d
Side.
First bearing part 33 is fixed on the peripheral side of the first driven sidewall bodies 91b by the first supporting and fixing bolt 34
Top (free end), the second bearing part 35 is fixed on the second driven sidewall bodies 92b by the second supporting and fixing bolt 36
Peripheral side top (free end).
Being located through around slave end rotation axis CL2 between first bearing part 33 and the first driven sidewall bodies 91b
The positioning pin 40 for being set to the angle position different from the first supporting and fixing bolt 34 carries out.Specifically, as shown in Fig. 2, will
One end of positioning pin 40 is inserted into the pin insertion hole 91b1 for being formed in the top of the first driven sidewall bodies 91b, by positioning pin 40
The other end be pressed into the first bearing part 33.Positioning pin 40 is inserted with the pin that non-indentation state is embedded into the first driven sidewall bodies 91b
Enter hole 91b1.That is, expanding pin insertion hole 91b1 deformation by the way that positioning pin 40 is chimeric, thus not bring the first driven side wall
The chimeric insertion of the degree of the shape distortion of body 91b.
Positioning pin 40 is provided at two around slave end rotation axis CL2.But positioning pin 40, which also can be set three, to be sentenced
On.In this case, since actually there is no necessity of positioning for the positioning pin of third or more 40, become so-called void
If pin.
In addition, being similarly provided with positioning pin between the second bearing part 35 and the second driven sidewall bodies 92b.
The central axis side of first bearing part 33 is provided with axle portion 33a, axle portion 33a is via the first bearing part axis
It holds 37 and is fixed on shell 3.The central axis side of second bearing part 35 is provided with axle portion 35a, axle portion 35a is via second
Bearing portion part bearing 38 and be fixed on shell 3.Slave end scroll element 90 is via each bearing part 33,35 and around driven as a result,
Sidespin shaft axis CL2 rotation.
Lock ring mechanism (synchronous drive mechanism) is provided between the first bearing part 33 and the first driving side end panel 71a
15.That is, being provided with rolling bearing (ring) in the first driving side end panel 71a, the first bearing part 33 is provided with pin member 15b.
By lock ring mechanism 15, driving force is transmitted from driving side scroll element 70 to slave end scroll element 90, and make two scroll portions
Part 70,90 carries out spinning motion in the same direction with identical angular speed.
The dual rotary Scrawl compressor 1 of above structure is acted as follows.
When making drive shaft 6 around driving side rotation axis CL1 rotation by motor 5, first connect with drive shaft 6 is driven
Dynamic side axle portion 7c also rotates, and driving side scroll element 70 is rotated around driving side rotation axis CL1 as a result,.When driving side scroll portion
When part 70 rotates, driving force is transmitted via lock ring mechanism 15 and from each bearing part 33,35 to slave end scroll element 90, in turn
Slave end scroll element 90 is rotated around slave end rotation axis CL2.At this point, the pin member 15b of lock ring mechanism 15 contacts round hole
Inner peripheral surface and movement, thus two scroll elements 70,90 in the same direction with identical angular speed carry out spinning motion.
When two scroll elements 70,90 carry out rotation circumnutation, it is vortexed from the air that the suction inlet of shell 3 sucks from two
The peripheral side of component 70,90 is inhaled into, and is incorporated into the discharge chambe formed by two scroll elements 70,90.Then, it is driven by first
The discharge chambe and drive the driven side wall of sidewall bodies 72b and second by second that the dynamic driven sidewall bodies 91b of sidewall bodies 71b and first is formed
The discharge chambe that body 92b is formed is compressed respectively.Each discharge chambe volume reducing with mobile to central side, is accompanied by this, empty
Gas is compressed.By the first driving driven compressed air of sidewall bodies 91b of sidewall bodies 71b and first by being formed in driven side
The discharge through hole 90h of plate 90a is closed with by the second compressed air of the driving driven sidewall bodies 92b of sidewall bodies 72b and second
It flows, the air behind interflow is discharged from the outlet 3d of shell 3 to outside by discharge port 72d.Compressed air quilt after discharge
Be oriented to internal combustion engine (not shown), as combustion air come using.
According to the present embodiment, function and effect below are played.
It will carry out the indentation bearing of positioning pin 40 of the positioning between driven sidewall bodies 91b, 92b and each bearing part 33,35
On the other hand the positioning pin 40 is embedded in driven sidewall bodies 91b, 92b with non-indentation state by component 33,35.Thereby, it is possible to will
Positioning pin 40 is firmly fixed at bearing part 33,35, and will not come driven sidewall bodies 91b, 92b band by the embedding of positioning pin 40
Enter caused shape distortion.In this way, not will lead to dual rotary since driven sidewall bodies 91b, 92b do not generate shape distortion
The reduction of the performance, durability of Scrawl compressor 1.
In addition, as shown in figure 3, the lantern ring of seperated cylindrical shape can also be arranged in the protruding portion of the first bearing part 33
33b, and positioning pin 40 is pressed into lantern ring 33b.Since lantern ring 33b is set as the component separated with the first bearing part 33, because
The processing of this first bearing part 33 becomes easy.In addition, two scroll elements can be adjusted by adjusting the height of lantern ring 33b
70,90 interval faced each other.Same lantern ring can also be set to the second bearing part 35.
In addition, as shown in figure 4, positioning pin 40 can also penetrate through lantern ring 33b and be pressed into the first bearing part 33.In the situation
Under, positioning pin 40 can both be pressed into the through hole of lantern ring 33b, also can be set to clearance fit.Same lantern ring can be also arranged
In the second bearing part 35.
[second embodiment]
In the first embodiment, in each scroll element wall body be set to two sides, so-called two tooth in the axial direction
Dual rotary Scrawl compressor be illustrated, but second embodiment is to being formed as one so-called for wall body in the axial direction
The dual rotary Scrawl compressor of monodentate be illustrated.
The dual rotary Scrawl compressor 1A for being set as monodentate is shown in FIG. 5.Dual rotary Scrawl compressor 1A has
Support the bearing part 20,22 of driving side scroll element 7 and slave end scroll element 9 respective wall body 7b, 9b.In addition, in Fig. 5
In 5 periphery of motor shown in FIG. 1 is not shown, but present embodiment has also been set as same construction.
As shown in figure 5, the top (free end) of the driving sidewall bodies 7b in driving side scroll element 7, via positioning pin 41
And it is fixed with driving side bearing part 20.Positioning pin 41 is embedded into driving sidewall bodies 7b with non-indentation state and is on the other hand pressed
Enter driving side bearing part 20.
Slave end scroll element 9 is accompanied between driving side bearing part 20 and driving side scroll element 7.Therefore, with drive
Dynamic side bearing component 20 has been relatively configured driven side end panel 9a.
Driving side bearing part 20 has axle portion 20a in central side.Axle portion 20a is collateral via the driving for being set as ball bearing
Bearing portion part is rotatably freely installed on shell 3 with bearing 26.Driving side bearing part 20 and driving side scroll element 7 as a result,
Similarly rotated centered on driving side rotation axis CL1.
Lock ring mechanism 15 ' is equipped between driving side bearing part 20 and driven side end panel 9a.That is, in driven side end panel 9a
It is provided with ring component 15a, driving side bearing part 20 is provided with pin member 15b.
On the top (free end) of the driven sidewall bodies 9b of slave end scroll element 9, be fixed with via positioning pin 41 from
Dynamic side bearing component 22.Positioning pin 41 is embedded into driven sidewall bodies 9b with non-indentation state, on the other hand, is pressed into driven collateral
Bearing portion part 22.
Driving side scroll element 7 is accompanied between slave end bearing part 22 and slave end scroll element 9.Therefore, with from
Dynamic side bearing component 22 has been relatively configured driving side end panel 7a.
Slave end bearing part 22 has axle portion 22a in central side.Axle portion 22a is via being set as the driven collateral of ball bearing
Bearing portion part is rotatably freely installed on shell 3 with bearing 28.Slave end bearing part 22 and slave end scroll element 9 as a result,
Similarly rotated centered on slave end rotation axis CL2.
According to the present embodiment, function and effect below are played.
By carry out the positioning between each wall body 7b, 9b and each bearing part 20,22 positioning pin 41 be pressed into bearing part 20,
22, on the other hand, which is embedded in each wall body 7b, 9b with non-indentation state.Thereby, it is possible to by positioning pin 41 securely
It is fixed on bearing part 20,22, and the shape distortion as caused by the insertion of positioning pin 41 will not be carried out to each wall body 7b, 9b band.This
Sample, due to not generating shape distortion on each wall body 7b, 9b, not will lead to dual rotary Scrawl compressor 1A performance,
Durability reduces.
In addition, being used in above-mentioned each embodiment using dual rotary Scrawl compressor as booster, but the present invention
It's not limited to that, can be widely used as long as the device compressed to fluid, can be used as example in air-conditioning
Coolant compressor used in equipment uses.In addition, also Scrawl compressor 1 of the invention can be applied to utilize air
Power as rolling stock braking system air brake.
Symbol description
1,1A dual rotary Scrawl compressor
3 shells
3a motor incorporating section
3b scroll incorporating section (shell)
3c cooling fins
3d outlet
5 motor (driving portion)
5a stator
5b rotor
6 drive shafts
7 driving side scroll elements
7a drives side end panel
7b drives sidewall bodies
7c the first driving side axle portion
9 slave end scroll elements
The driven side end panel of 9a
The driven sidewall bodies of 9b
11 first inboard bearings
14 second inboard bearings
15,15 ' lock ring mechanism (synchronous drive mechanism)
15b pin member
16 seal members
20 driving side bearing parts
20a axle portion
22 slave end bearing parts
22a axle portion
26 driving side bearing part bearings
28 slave end bearing part bearings
31 wall body fixing bolts (wall body fixed part)
33 first bearing parts
33a axle portion
33b lantern ring
34 first supporting and fixing bolts
35 second bearing parts
35a axle portion
36 second supporting and fixing bolts
37 first bearing part bearings
38 second bearing part bearings
40,41 positioning pin
70 driving side scroll elements
71 first driving side scroll portions
71a first drives side end panel
71b first drives sidewall bodies
72 second driving side scroll portions
72a second drives side end panel
72b second drives sidewall bodies
72c the second driving side axle portion
72d discharge port
73 flange parts
90 slave end scroll elements
The driven side end panel of 90a
Through hole (through hole) is discharged in 90h
The driven sidewall bodies of 91b first
91b1 pin insertion hole
The driven sidewall bodies of 92b second
CL1 driving side rotation axis
CL2 slave end rotation axis
Claims (3)
1. a kind of dual rotary Scrawl compressor, which is characterized in that have:
Driving side scroll element, the driving side scroll element are driven by driving portion and are rotated, and have and are configured at driving side
The gyrate driving sidewall bodies of plate；
Slave end scroll element, which, which has, is configured at driven side end panel and corresponding with the driving sidewall bodies
Driven sidewall bodies, engage to form discharge chambe with the driving sidewall bodies by the driven sidewall bodies；And
Synchronous drive mechanism, the synchronous drive mechanism are transmitted from the driving side scroll element to the slave end scroll element and are driven
Power, so that the driving side scroll element and the slave end scroll element are carried out certainly with identical angular speed in the same direction
Transhipment is dynamic,
The dual rotary Scrawl compressor is provided with bearing part, which passes through positioning pin and the driving side wall
Body is connected with the top in the axial direction of at least any one party in the driven sidewall bodies, thus rotated together with the wall body, it should
Positioning pin positions the phase around rotation axis,
The positioning pin is pressed into the bearing part, and is embedded into the wall body with non-indentation state.
2. dual rotary Scrawl compressor according to claim 1, which is characterized in that
The positioning pin is provided at least two around the rotation axis.
3. dual rotary Scrawl compressor according to claim 1 or 2, which is characterized in that
The driving side scroll element has the first driving side scroll portion and the second driving side scroll portion, which is vortexed
Portion has the first driving side end panel and the first driving sidewall bodies, and is driven by the driving portion, the second driving side scroll portion tool
There are the second driving side end panel and the second driving sidewall bodies,
The slave end scroll element has the first driven sidewall bodies and the second driven sidewall bodies, the first driven sidewall bodies setting
It is engaged in the one side of the driven side end panel, and with the first driving sidewall bodies, which is set to institute
The another side of driven side end panel is stated, and is engaged with the second driving sidewall bodies,
The dual rotary Scrawl compressor has the first bearing part and the second bearing part, which will be described
First driving side end panel configure sandwiched therebetweenly, and the tip side being fixed in the axial direction of the described first driven sidewall bodies and with institute
The first driven sidewall bodies are stated to rotate together, which configures the second driving side end panel sandwiched therebetweenly, and
The tip side that is fixed in the axial direction of the described second driven sidewall bodies and rotated together with the described second driven sidewall bodies,
The positioning pin is set between the described first driven sidewall bodies and the first bearing part and the second driven sidewall bodies
Between the second bearing part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-028082 | 2017-02-17 | ||
| JP2017028082A JP6707478B2 (en) | 2017-02-17 | 2017-02-17 | Double rotary scroll compressor |
| PCT/JP2018/004469 WO2018151014A1 (en) | 2017-02-17 | 2018-02-08 | Two-way-rotating scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110300853A true CN110300853A (en) | 2019-10-01 |
| CN110300853B CN110300853B (en) | 2020-10-27 |
Family
ID=63170335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880011978.4A Expired - Fee Related CN110300853B (en) | 2017-02-17 | 2018-02-08 | Double-rotation scroll compressor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200003213A1 (en) |
| EP (1) | EP3567252B1 (en) |
| JP (1) | JP6707478B2 (en) |
| CN (1) | CN110300853B (en) |
| WO (1) | WO2018151014A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7017240B2 (en) * | 2018-10-09 | 2022-02-08 | 有限会社スクロール技研 | Scroll compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0854289A1 (en) * | 1997-01-21 | 1998-07-22 | Anest Iwata Corporation | Scroll fluid apparatus |
| CN2303100Y (en) * | 1997-07-25 | 1999-01-06 | 东北大学 | Two side oil-free swirl vacuum pump |
| CN101008321A (en) * | 2006-01-26 | 2007-08-01 | 倪诗茂 | Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls |
| US20130302199A1 (en) * | 2012-04-25 | 2013-11-14 | Anest Iwata Corporation | Scroll expander |
| JP2016089677A (en) * | 2014-10-31 | 2016-05-23 | アネスト岩田株式会社 | Scroll expander |
| CN206017149U (en) * | 2016-08-10 | 2017-03-15 | 南京奥特佳新能源科技有限公司 | The scroll compressor combination type pad eccentric bushing of energy improve mechanical strength |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5360443A (en) | 1976-11-10 | 1978-05-31 | Hitachi Ltd | Shaft bearing device |
| JPS55101789A (en) * | 1979-01-31 | 1980-08-04 | Hitachi Ltd | Scroll fluid machine |
| JPS5859391A (en) * | 1981-10-02 | 1983-04-08 | Hitachi Ltd | Manufacture of scroll used in scroll compressor |
| JP5252281B2 (en) * | 2008-09-19 | 2013-07-31 | 有限会社スクロール技研 | Scroll fluid machinery |
| JP5443132B2 (en) * | 2009-11-05 | 2014-03-19 | 有限会社スクロール技研 | Scroll fluid machinery |
-
2017
- 2017-02-17 JP JP2017028082A patent/JP6707478B2/en active Active
-
2018
- 2018-02-08 WO PCT/JP2018/004469 patent/WO2018151014A1/en unknown
- 2018-02-08 US US16/484,925 patent/US20200003213A1/en not_active Abandoned
- 2018-02-08 CN CN201880011978.4A patent/CN110300853B/en not_active Expired - Fee Related
- 2018-02-08 EP EP18755010.8A patent/EP3567252B1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0854289A1 (en) * | 1997-01-21 | 1998-07-22 | Anest Iwata Corporation | Scroll fluid apparatus |
| CN2303100Y (en) * | 1997-07-25 | 1999-01-06 | 东北大学 | Two side oil-free swirl vacuum pump |
| CN101008321A (en) * | 2006-01-26 | 2007-08-01 | 倪诗茂 | Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls |
| US20130302199A1 (en) * | 2012-04-25 | 2013-11-14 | Anest Iwata Corporation | Scroll expander |
| JP2016089677A (en) * | 2014-10-31 | 2016-05-23 | アネスト岩田株式会社 | Scroll expander |
| CN206017149U (en) * | 2016-08-10 | 2017-03-15 | 南京奥特佳新能源科技有限公司 | The scroll compressor combination type pad eccentric bushing of energy improve mechanical strength |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6707478B2 (en) | 2020-06-10 |
| EP3567252B1 (en) | 2020-06-24 |
| EP3567252A1 (en) | 2019-11-13 |
| CN110300853B (en) | 2020-10-27 |
| JP2018132035A (en) | 2018-08-23 |
| EP3567252A4 (en) | 2019-12-04 |
| US20200003213A1 (en) | 2020-01-02 |
| WO2018151014A1 (en) | 2018-08-23 |
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