CN108425848A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN108425848A CN108425848A CN201810542103.9A CN201810542103A CN108425848A CN 108425848 A CN108425848 A CN 108425848A CN 201810542103 A CN201810542103 A CN 201810542103A CN 108425848 A CN108425848 A CN 108425848A
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- China
- Prior art keywords
- bearing
- mentioned
- shell
- circular cylindrical
- muffler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 67
- 238000007906 compression Methods 0.000 claims abstract description 67
- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 229910000679 solder Inorganic materials 0.000 claims description 54
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000010705 motor oil Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 30
- 239000007789 gas Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000006071 cream Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- 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
-
- 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
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- 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
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
- F04C2230/231—Manufacture essentially without removing material by permanently joining parts together by welding
-
- 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
- F04C2240/30—Casings or housings
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/12—Vibration
- F04C2270/125—Controlled or regulated
Abstract
The invention discloses a kind of rotary compressor, it is accommodated in the closed shell being made of the end plate shell etc. of circular cylindrical shell and connection the circular cylindrical shell side:Electric motor is had by rotary compression structural portion and lubricating oil that above-mentioned electric motor drives in above-mentioned compression structure part：Have at least one cylinder of compression chamber, the first bearing being fixed on two side opening faces of above-mentioned compression chamber and second bearing, the bent axle being slidably matched with above-mentioned two bearing and the exhaust passage that above-mentioned compression chamber is formed in above-mentioned first bearing muffler, above-mentioned circular cylindrical shell is to be welded and fixed mode with above-mentioned muffler with above-mentioned compression structure part and above-mentioned end plate shell.The compression structure part fixed effect of compressor of the present invention is more preferably.
Description
Technical field
In the on-board air conditioners such as the present invention electric vehicle violent with vibration, van cooler either camper or vehicle-mounted refrigerator
Rotary compressor seismic degree improve it is related, be the new technology of the three-dimensional welding from pervious two dimensional weld till now.
Background technology
Anticipation will be mounted in vehicle-mounted air-conditioning and the compressor of vehicle-mounted refrigerating plant from now on rapidly to be increased.It is mounted in this
Rotary compressor on a little machines, the horizontal compressor that existing bent axle is horizontally oriented also have bent axle in vertical direction vertical
Formula compressor.The rotary compressor being mounted in narrow space needs to minimize lightweight, but also requires compression simultaneously certainly
Machine intensity is resistant to the judder frequently occurred.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries
Go out a kind of compression structure part fixed effect more preferably rotary compressor.
Rotary compressor according to the ... of the embodiment of the present invention, by the end plate shell of circular cylindrical shell and connection the circular cylindrical shell side
It is accommodated in the closed shell of the compositions such as body:Electric motor, the rotary compression structural portion and profit driven by above-mentioned electric motor
Lubricating oil has in above-mentioned compression structure part：Have at least one cylinder of compression chamber, be fixed on the two of above-mentioned compression chamber
First bearing and second bearing on side opening face, the bent axle being slidably matched with above-mentioned two bearing and in above-mentioned first axle
Hold the muffler for the exhaust passage for forming above-mentioned compression chamber, above-mentioned circular cylindrical shell and above-mentioned compression structure part and above-mentioned end plate
Shell is to be welded and fixed mode with above-mentioned muffler.
In some embodiments, the axis mesoporous having in above-mentioned bent axle is open to above-mentioned muffler.
In some embodiments, between above-mentioned electric motor and above-mentioned compression structure part, have and be fixed on above-mentioned cylinder
Three core terminals on shell.
Rotary compressor according to the ... of the embodiment of the present invention, including：Closed shell, the closed shell include：Cylinder cover
Body and end plate shell, the both ends open of the circular cylindrical shell, the end plate shell are connected to the both ends of the circular cylindrical shell；
Electric motor, the electric motor are arranged in the closed shell；Compression structure part, the compression structure part are arranged described
It is driven in closed shell and by the electric motor；At least one muffler, the muffler are arranged in the compression structure part
On；Wherein, multiple first solder joints, one of institute are provided between the peripheral surface of the compression structure part and the circular cylindrical shell
Muffler is stated to be arranged in the side far from the electric motor of the compression structure part to constitute the first muffler, one of them
The end plate shell is adjacent with first muffler to constitute first end plate shell, the first end plate shell and described first
The second solder joint is provided between muffler.
In some embodiments, at multiple first solder joints in the same plane.
In some embodiments, circumferential equidistantly distributed of multiple first solder joints along the circular cylindrical shell.
In some embodiments, first solder joint is three.
In some embodiments, at the center of the first end plate shell be bonded at the center of first muffler,
And it is welded in the joint place of the two to form second solder joint.
In some embodiments, first solder joint is three and along the circumferential equidistantly distributed of the circular cylindrical shell, one
A second solder joint and three first solder joints distributions are tapered, and the wherein vertex of taper is second solder joint, three
First solder joint is located on the bottom circle of the taper, and second solder joint is to the distance phase of three first solder joints
Deng.
In some embodiments, the compression structure part includes：One cylinder, first bearing and second bearing, the gas
First solder joint is provided between the peripheral surface of cylinder and the circular cylindrical shell, the first bearing is close to the first end plate shell
Body, the second bearing are arranged close to the electric motor, first muffler in the first bearing, second axis
The radial direction of the peripheral surface for the flange portion being bonded with the cylinder held and the inner peripheral surface of the circular cylindrical shell in the circular cylindrical shell
Upper to be spaced apart, three core terminals being connected with the electric motor, which are worn, to be fixed on the circular cylindrical shell, and the three cores terminal
It is corresponding at least partly with the second bearing in the axial direction of the circular cylindrical shell.
In some embodiments, the compression structure part includes：Multiple cylinders, first bearing and second bearing, described
One bearing close to the first end plate shell, the second bearing close to the electric motor, the second bearing with it is described
It is provided with first solder joint between the peripheral surface and the circular cylindrical shell of the flange portion of cylinder fitting.
The technique effect of the present invention：
1) only increase by 1 spot welding, the fixation reliability in compressor arrangement portion can be made to improve several times.
2) it is able to maintain that the miniaturization of compressor.
3) manufacture is easy and inexpensive.
Description of the drawings
Fig. 1-Fig. 3 is the structural schematic diagram according to the compressor of three embodiments of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Embodiment 1：
The closed shell 2 of the horizontal type rotary compressor 101 shown in Fig. 1 is welded on circular cylindrical shell 2a two by week
End plate B shells 2b on end and end plate C shells 2c compositions, equipped with three core terminals 25 in the central upper of circular cylindrical shell 2a.
Electric motor 5 and compression structure part 10 are fixed in the inner circumferential of circular cylindrical shell 2a, and lubricating oil is stored in shoe cream room 28
In.Electric motor 5 is made of stator 6 and the rotor core 8 being fixed on bent axle 16；The periphery hot jacket of stator 6 is fixed on cylinder
In the inner circumferential of shell 2a.Machine winding 7 on stator 6 is connected to motor lead-out wire 7c, this apex is connected to three via buncher 26
On core terminal 25.
Compression structure part 10 by：Has the first axle of the cylinder 21 of compression chamber 21a, the both ends open of closed compression chamber 21a
Hold 18 and second bearing 22, be fixed in first bearing 18 muffler 18a, be slidably matched with above-mentioned 2 bearings bent axle 16,
The rolling piston 23 and rolling piston 23 to be revolved round the sun by bent axle 16 in compression chamber 21a coordinates reciprocating slide plate
Compositions such as (labels 19 of Fig. 3).These component parts are from the both sides of above-mentioned 2 bearings, by being had altogether including muffler 18a
10 screws 24 are combined into, and can thus complete the assembling of compression structure part 10.
In the inner circumferential that the circular cylindrical shell 2a for securing electric motor 5 will be illustrated next, the assembling of fixed compression structure part 10
Engineering.In compression structure part 10 on being fixed on aligning assembling fixture, it is inserted into the open end of circular cylindrical shell 2a, is maintaining aligning
While precision, from the outer periphery thoughtfully towards cylinder 21 of circular cylindrical shell 2a, 3 local electric arc spot weldings 15 are carried out.In circle
The welding hole 15a of trepanning on cylinder shell 2a is the hole for ensureing electric arc and being welded in place.In addition.Between 3 local electric arc welding 15
Every being 120 degree.
Next, week is welded while end plate C shells 2c is pressed on circular cylindrical shell 2a left ends.At this moment, by holding
The welding hole 15a at the centers plate C shell 2c confirms the interior side contacts of end plate C shells 2c to the periphery of muffler 18a.
After terminating the week welding of end plate C shells 2c and circular cylindrical shell 2a, end plate C shells 2c and muffler 18a is carried out
Muffler welding 20.Hereafter, it is welded on circular cylindrical shell 2a, is accommodated with electronic if the periphery of end plate B shells 2b
Motor 5 and the closed shell of compression structure part 10 2 just complete.
As a result, this is by being welded at 3 points of circular cylindrical shell 2a inner circumferentials and being welded at 1 point of end plate C shells 2c, compression knot
Structure portion 10 has been fixed on closed shell 2.As a result, the combining form of compression structure part 10 and closed shell 2 is, from connection 3
The plane of point and the conical three-dimensional welding of 1 dot on vertex.Therefore, in the past only cylinder periphery 3 be spot welded two dimension
Welding is compared, it can be found that the weld strength of the compression structure part 10 of fixed rotor iron core 8 improves several times or more.
It will be illustrated next：Pass through the flow direction of the gas (refrigerant) of the horizontal Clothoid type compressor 101 after the completion of Fig. 1.From connecing
The low-pressure gas sucked in the air intake duct 3 of continuous cylinder 21, is flowed into compression chamber 21a from cylinder suction hole 21b and forms high pressure gas
Body, the gas vent 35 having from first bearing 18 are discharged on muffler 18a.
The discharge gas contains：It include (the cycle of low-pressure gas about 1% that compression chamber 21a is flowed into from cylinder suction hole 21b
Coolant quantity ratio is same as below), flow through the profit of the side clearance of slide plate (symbol 19 of Fig. 3) and the upper and lower gap of rolling piston 23
The 2% of lubricating oil.
Additionally it contained there is the lubrication oil injection pipe 30 for flowing through the trepanning on shoe cream room 28 to lubricating oil injection hole 30a's
About 2% lubricating oil.
Including the high pressure exhaust gases of about 5% lubricating oil are, by muffler 18a via the axis mesoporous 16a of bent axle 16, from
Shaft end is discharged to the intracavitary of end plate B shells 2b.Bent axle 16 and 2 bearings are lubricated by the high pressure oil-containing gases of axis mesoporous 16a
Sliding surface.Therefore, the present invention is to use oil foglubrication mode.
Hereafter, from the chamber of end plate B shells 2b by the high pressure gas of electric motor 5, in electric motor 2 and compression structure part
It is discharged between 10, the lubricating oil of oil droplet drops onto in shoe cream room 28.It is injected into end plate C shells 2c by 21 circumferential play of cylinder
High pressure gas, be discharged in freeze cycle from exhaust pipe 4.
In addition, because muffler 18a and end plate C shells 2c is steel plate, even if muffler welding 20 is using laser welding
It is also possible.
In addition, the lubricating oil for flowing to compression chamber 21a by lubricating oil injection pipe 30 is substituted, between the side that slide plate can be tuned up
Gap.
Embodiment 2：
Horizontal 2 cylinder rotary compressor 102 shown in Fig. 2 equipped with：The first cylinder in compressor arrangement portion 11
31 and the second middle partition board 33 between cylinder 32 and two cylinders.It is identical as implementation form 1, it is fixed by screw 24：This
A little constituent parts：First bearing 18 and second bearing 22, muffler 18 and muffler 22a just complete the compression structure part of 2 cylinders
11。
Because the installation site of three core terminals 25 is altered on end plate B shells 2b, the outer of second bearing 22 can be expanded
Diameter.It is identical as implementation form 1, since the periphery of the circular cylindrical shell 2a of fixed electric motor 5 to the periphery of second bearing 22 into
The spot welding of row 3 15.In addition, the contact site at the center same as Example 1 and end plate C shells 2c carries out muffler welding 20.
Relative to embodiment 1, because implementation form 2 increases the length of electric arc welding 15 and muffler welding 20,
The fixation reliability of compression structure part 11 further improves.
In addition, the high pressure gas of muffler 22a and the high pressure gas of muffler 18a collaborate, pass through the axis mesoporous of bent axle 16
16a flows to the intracavitary of end plate B shells 2b.During this, the face of being slidably matched of bent axle 16 and 2 bearings is by oil foglubrication.
The high pressure gas for flowing through electric motor 5 is discharged from exhaust pipe 4.
Embodiment 2 refers to that the technology disclosed with embodiment 1 is also feasible in double-cylinder rotary compressor, passes through electricity
The periphery of arc welding second bearing 22 further increases the fixation reliability in compressor arrangement portion 11.
Embodiment 3：
The vertical rotating formula compressor 103 that Fig. 3 is shown is the design the horizontal rotary compressor 101 of implementation form 1
It is changed to vertical design example.The configuration of three core terminals 25 and exhaust pipe 4 is vertical conventional design.In addition, and embodiment
1,2 oil foglubrication is equally used.But the axis mesoporous 16a of bent axle 16 is not penetrated through, from 2 opposite axis hole 16b discharges.
The Joint Designing concept of above-mentioned 3 embodiments is：The muffler 18a having in first bearing 18 is weldingly fixed on
On end plate C shells 2c.As a result, relative to pervious two dimensional weld, three-dimensional welding is possibly realized, the fixation of compression structure part 12
Intensity is obviously improved.
Rotary compressor is described with reference to embodiment in figure.
The rotary compressor 101 includes mainly closed shell 2, electric motor 5, compression structure part 10, at least one disappears
Sound device 18a.
Closed shell includes：Circular cylindrical shell 2a and end plate shell 2b, 2c, the both ends open of circular cylindrical shell 2a, end plate shell
2b, 2c are connected to the both ends of circular cylindrical shell 2a.The setting of electric motor 5 is in closed shell 2 and includes stator 6 and rotor iron
Core 8.
The setting of compression structure part 10 drives in closed shell 2 and by electric motor 5, and compression structure part 10 includes mainly gas
Cylinder 21, first bearing 18, second bearing 22 etc., bent axle 16 wear cylinder 21, first bearing 18, second bearing 22, on bent axle 16
It is provided with piston 23.
First muffler 18a is arranged in compression structure part 10 and positioned at compression structure part 10 far from (deviating from) electric motor
5 side.For example, in the example of fig. 1, the first muffler 18a is arranged in the left side of compression structure part 10, the first muffler
First end plate shell 2cs (i.e. above-mentioned end plate C shell) of the 18a adjacent to left side.
It is provided with multiple first solder joints 15 between the peripheral surface and the inner peripheral surface of circular cylindrical shell 2 of compression structure part 10.For example,
Compression structure part 10 can be fixed with circular cylindrical shell 2a by arc welding, and solder joint can be multiple such as three, and can be along cylinder
The spacing central angle of the circumferential equidistantly distributed of shell 2a, i.e., two neighboring solder joint is 120 °.First end plate shell 2c and first
The second solder joint 20 is provided between muffler 18a.
By being welded from the circumferential direction of circular cylindrical shell 2a to circular cylindrical shell 2a and compression structure part 10, while increasing from the
To the welding procedure of first end plate shell 2c and the first muffler 18a in the axial direction of end plate shell 2c, thus from circumferential direction and axis
Being welded and fixed to compression structure part 10 is realized to different dimensions, by increasing axial welding manner so that fixing intensity is at double
Increase.
In some embodiments, at multiple first solder joints 15 in the same plane.Here, it should be noted that because the
One solder joint 15 be not be a point on geometric meaning, in welding, which has certain area, here multiple first
Solder joint 15 is in same plane planted agent as broad understanding, that is, is generally on same plane.
In conjunction with shown in Fig. 1, it is bonded at first end plate shell 2c and the center of the first muffler 18a, and in the fitting of the two
It is welded to form the second solder joint 20 at place.In Fig. 1 examples, first end plate shell 2c and the first muffler 18a have evagination
Curved-surface structure, evagination curved-surface structure apex fitting, by the outside of first end plate shell 2c to joint place carry out
Welding increases the second solder joint 20 at one, coordinates multiple first solder joints 15, to spatially (multiple by traditional plane-welding
Solder joint is in the same plane) developing into three-dimensional welding of the invention, (multiple solder joints are in the difference of space multistory geometric figure
On endpoint), thus substantially increase weld strength.
As an alternative embodiment, the first solder joint 15 can be three and circumferentially equidistantly distributed, the second weldering
Point 20 can be one, of substantially equal to the distance of 20 to three the first solder joints 15 of the second solder joint, and the second solder joint 20 and three
A first solder joint 15 is distributed in taper, and the vertex of a cone is then the second solder joint 20, and three the first solder joints 15 are then distributed in conical lower portion
In circle.
In this way, use relatively minimal solder joint but obtain more excellent welding performance, it is circumferential compared to existing 3 points
For the mode of weld cylinder, by increasing by second solder joint 20, for compared with the prior art, breakthroughly from pervious
To the three-dimensional welding of this case, firm welding, stability greatly get a promotion two dimensional weld.
In one embodiment, as shown in Figure 1, compression structure part 10 can be single air cylinder structure, the left side of the cylinder 21
It is provided with first bearing 18 and right side is provided with second bearing 22, the peripheral surface of cylinder 21 is carried out with the inner peripheral surface of circular cylindrical shell 2a
Welding is to form the first solder joint 15.First muffler 18a is arranged in first bearing 18, second bearing 22 close to electric motor 5,
There are radial clearances with the inner peripheral surface of circular cylindrical shell 2a for the peripheral surface for the flange portion of second bearing 18 being bonded with cylinder, i.e., in diameter
It is spaced apart upwards, to form the radial space of annular, which can be used in three cores that evacuation wears circular cylindrical shell 2a
The structures such as terminal 25, buncher 26 so that three core terminals 25 can be fixed in the central region of circular cylindrical shell 2a, shorten with
The motor lead-out wire 7c connected between machine winding 7 so that overall structure is compacter.
In addition, just because of the presence of above-mentioned radial clearance so that at least part of three core terminals 25 can be in this
In radial clearance, to form part corresponding with flange portion, characteristics of compact layout in the axial direction.
In another embodiment, consolidating to compression structure part 10 can also be realized by way of welding second bearing
Fixed, which refers to the bearing of the other side far from first end plate shell 2c or perhaps far from the first muffler 18a.
Such as in the double-cylinder compressor of Fig. 2, multiple first solder joints 15 are provided between the second bearing 22 and circular cylindrical shell 2a, specifically
For, it is provided with the first solder joint 15 between the peripheral surface and circular cylindrical shell 2a of the flange portion of second bearing 22.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of rotary compressor, which is characterized in that by the end plate shell etc. of circular cylindrical shell and connection the circular cylindrical shell side
It is accommodated in the closed shell of composition:Electric motor, the rotary compression structural portion driven by above-mentioned electric motor and lubricating oil,
In above-mentioned compression structure part, have：
Have compression chamber at least one cylinder,
The first bearing and second bearing that are fixed on two side opening faces of above-mentioned compression chamber,
The bent axle that is slidably matched with above-mentioned two bearing,
And the muffler of the exhaust passage of above-mentioned compression chamber is formed in above-mentioned first bearing,
Above-mentioned circular cylindrical shell is to be welded and fixed mode with above-mentioned muffler with above-mentioned compression structure part and above-mentioned end plate shell.
2. rotary compressor according to claim 1, which is characterized in that the axis mesoporous having in above-mentioned bent axle is to above-mentioned
Muffler is open.
3. rotary compressor according to claim 1, which is characterized in that in above-mentioned electric motor and above-mentioned pressure texture
Between portion, have three core terminals being fixed on above-mentioned circular cylindrical shell.
4. a kind of rotary compressor, which is characterized in that including：
Closed shell, the closed shell include：Circular cylindrical shell and end plate shell, the both ends open of the circular cylindrical shell are described
End plate shell is connected to the both ends of the circular cylindrical shell；
Electric motor, the electric motor are arranged in the closed shell；
Compression structure part, the compression structure part are arranged in the closed shell and are driven by the electric motor；
At least one muffler, the muffler are arranged in the compression structure part；
Wherein, multiple first solder joints are provided between the peripheral surface of the compression structure part and the circular cylindrical shell, one of them
The muffler is arranged in the side far from the electric motor of the compression structure part to constitute the first muffler, wherein one
A end plate shell is adjacent with first muffler to constitute first end plate shell, the first end plate shell and described the
The second solder joint is provided between one muffler.
5. rotary compressor according to claim 4, which is characterized in that multiple first solder joints are in same plane
It is interior.
6. rotary compressor according to claim 5, which is characterized in that multiple first solder joints are along the cylinder cover
The circumferential equidistantly distributed of body.
7. rotary compressor according to claim 6, which is characterized in that first solder joint is three.
8. rotary compressor according to claim 5, which is characterized in that at the center of the first end plate shell and institute
It states and is bonded at the center of the first muffler, and welded in the joint place of the two to form second solder joint.
9. rotary compressor according to claim 8, which is characterized in that first solder joint is three and along the circle
The circumferential equidistantly distributed of cylinder shell, second solder joint and three the first solder joint distributions are tapered, wherein taper
Vertex be second solder joint, three first solder joints be located at the taper bottom justify on, and second solder joint arrives
The distance of three first solder joints is equal.
10. rotary compressor according to claim 4, which is characterized in that the compression structure part includes：One gas
Cylinder, first bearing and second bearing are provided with first solder joint, institute between the peripheral surface of the cylinder and the circular cylindrical shell
First bearing is stated close to the first end plate shell, the second bearing is set close to the electric motor, first muffler
It sets in the first bearing, peripheral surface and the circular cylindrical shell of the flange portion of the second bearing being bonded with the cylinder
Inner peripheral surface being radially spaced apart in the circular cylindrical shell, three core terminals being connected with the electric motor, which are worn, is fixed on institute
It states on circular cylindrical shell, and the three cores terminal is right at least partly with the second bearing in the axial direction of the circular cylindrical shell
It answers.
11. rotary compressor according to claim 4, which is characterized in that the compression structure part includes：Multiple gas
Cylinder, first bearing and second bearing, the first bearing is close to the first end plate shell, and the second bearing is close to the electricity
Dynamic motor, is arranged between the peripheral surface and the circular cylindrical shell of the flange portion of the second bearing being bonded with the cylinder
State the first solder joint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810542103.9A CN108425848B (en) | 2018-05-30 | 2018-05-30 | Rotary compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542103.9A CN108425848B (en) | 2018-05-30 | 2018-05-30 | Rotary compressor |
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| CN108425848A true CN108425848A (en) | 2018-08-21 |
| CN108425848B CN108425848B (en) | 2023-10-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08240189A (en) * | 1995-03-03 | 1996-09-17 | Toshiba Ave Corp | Rotary compressor |
| CN105090028A (en) * | 2015-09-17 | 2015-11-25 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106089710A (en) * | 2016-07-28 | 2016-11-09 | 广东美芝制冷设备有限公司 | Rotary compressor and there is its refrigerating circulatory device |
| CN106194735A (en) * | 2016-08-29 | 2016-12-07 | 广东美芝制冷设备有限公司 | Rotary compressor and there is its refrigerating circulatory device |
| CN106382227A (en) * | 2016-11-18 | 2017-02-08 | 广东美芝制冷设备有限公司 | Multi-stage compression type rotary compressor and refrigerating circulating device provided with same |
| CN208268067U (en) * | 2018-05-30 | 2018-12-21 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2018
- 2018-05-30 CN CN201810542103.9A patent/CN108425848B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08240189A (en) * | 1995-03-03 | 1996-09-17 | Toshiba Ave Corp | Rotary compressor |
| CN105090028A (en) * | 2015-09-17 | 2015-11-25 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106089710A (en) * | 2016-07-28 | 2016-11-09 | 广东美芝制冷设备有限公司 | Rotary compressor and there is its refrigerating circulatory device |
| CN106194735A (en) * | 2016-08-29 | 2016-12-07 | 广东美芝制冷设备有限公司 | Rotary compressor and there is its refrigerating circulatory device |
| CN106382227A (en) * | 2016-11-18 | 2017-02-08 | 广东美芝制冷设备有限公司 | Multi-stage compression type rotary compressor and refrigerating circulating device provided with same |
| CN208268067U (en) * | 2018-05-30 | 2018-12-21 | 广东美芝制冷设备有限公司 | Rotary compressor |
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| Publication number | Publication date |
|---|---|
| CN108425848B (en) | 2023-10-24 |
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