CN206555102U - Totally-enclosed reciprocating-piston freezer compressor - Google Patents
Totally-enclosed reciprocating-piston freezer compressor Download PDFInfo
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- CN206555102U CN206555102U CN201720078541.5U CN201720078541U CN206555102U CN 206555102 U CN206555102 U CN 206555102U CN 201720078541 U CN201720078541 U CN 201720078541U CN 206555102 U CN206555102 U CN 206555102U
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- bent axle
- flange
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- compressor
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Abstract
The utility model is disclosed in a kind of totally-enclosed reciprocating-piston freezer compressor, housing and is provided with flange, and the flange is interference fitted with inner walls, and motor is fixedly mounted with flange, and bent axle is rotatably installed on flange through flange center hole, and cylinder body is packed on flange.Castiron flange is arranged in Dimensions Used in Shell of Refrigerator Compressor by the utility model using the connected mode of interference fit, reduces the volume of compressor, while reducing cost；The flange used is integrally formed, simple in construction, improves the production efficiency of reciprocating compressor of refrigerator；Piston and connecting rod are made using lighter aluminium alloy and engineering plastics, the oil outlet of bent axle has been arranged on the boss in balance portion, the mode handled by using special surface improves the wearability of the small head surface of bent axle, reduce the volume of bent axle microcephaly simultaneously to alleviate the quality of bent axle, so that compressor volume is smaller, quality is lighter, reduces the vibration that inertia force is produced, and reduces compressor noise and makes its operation more steady.
Description
Technical field
The utility model belongs to freezer compressor technical field, more particularly to a kind of totally-enclosed reciprocating-piston refrigerator compression
Machine.
Background technology
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to gases at high pressure, is the heart of refrigeration system
It is dirty.It sucks the refrigerant gas of low-temp low-pressure from air intake duct, is operated by motor after being compressed with piston to it, to row
Tracheae discharges the refrigerant gas of HTHP, and power is provided for kind of refrigeration cycle, so as to realize compression → condensation (heat release) → swollen
The kind of refrigeration cycle of swollen → evaporation (heat absorption).
The main effect for seeing compressor of quality of one refrigeration for refrigerator quality, freezer compressor has reciprocating and rotary two
Plant specification.In Japan, rotary compressor has occupied more than 30% market, and most compressor for refrigerator are main at present for China
Based on reciprocating-piston, production line uses Reciprocting piston compressor, and freezer compressor market accounts for 87% at home
Left and right.
Freezer compressor in high temperature and need to be filled with the sealing condition of refrigerant and refrigerator oil and run 10 without monitoring
Year or so, therefore require to operate steadily, reliability height, efficiency high, refrigerating speed is fast, noise is low, starting performance good, while press device
The vibration produced during operating can make pipeline and system produce resonance and increase noise, therefore, it is necessary to which vibration is limited in into certain water
It is flat.
Existing reciprocating compressor of refrigerator is usually with hanging spring or marshall springs is supported on lower casing by compressor body and motor
In vivo, upper shell and lower house joint are shut with electric welding, and spring structure is complicated, spring steel is expensive, bent axle volume
Greatly, factor all increases the volume and cost of compressor again etc. for piston and connecting rod quality.
The content of the invention
The utility model overcomes the deficiencies in the prior art there is provided a kind of totally-enclosed reciprocating-piston freezer compressor, leads to
Cross flange and use lighter instead of volume, piston and the connecting rod of spring-loaded compressor body and motor, reduction bent axle microcephaly
The method of aluminium alloy or engineering plastics, so that the quality of compressor lighter, volume and noise is smaller, flat while reducing cost
Stability is higher.
The utility model is achieved by following technical proposals：
Totally-enclosed reciprocating-piston freezer compressor, including connecting rod, piston, cylinder body, the gas installed in housing and housing
Valve, bent axle and motor, the output end of motor are connected with bent axle, are connected at the top of bent axle by connecting rod with the piston in cylinder body, cylinder
Body is connected with air valve, it is characterised in that：A flange is provided with housing, the flange is interference fitted with inner walls, motor and method
Orchid is fixedly mounted with, and bent axle is rotatably installed on flange through flange center hole, and cylinder body is packed on flange.
Interference fit is formed between rotor in described bent axle and motor.
Described housing is divided into upper shell and lower house, and lower house upper inside wall is formed with a convex annular edge, flange and ring
Shape convex edge forms interference fit.
Described binding post is vertically installed on upper shell, positioned at the external part of upper casing and the control of external control compressor
Box processed is connected, and the part in upper shell is connected with the motor down-lead inside compressor.
The mode that is fixedly mounted between described motor and flange, cylinder body and flange is：Bolt connection；It can also use other in addition
Mode is fixedly mounted with, such as threaded connection, welding, riveting, splicing.
Described piston and connecting rod material are aluminium alloy or engineering plastics, and the material of flange is cast iron.
Above-mentioned bent axle includes being respectively arranged with bent axle microcephaly, balance portion and main shaft from top to bottom；Spindle outer wall from upper and
Fuel feed hole, oil circuit groove, the first oil outlet, venthole are arranged with, main shaft bottom centre position is provided with oil-sucking hole, main shaft and set
Oil circuit is equipped with, boss, the top surface connection of bent axle microcephaly bottom surface and boss, the top of boss are provided between bent axle microcephaly and balance portion
The second oil outlet is additionally provided with face, boss bottom surface is connected with balance portion top surface, and balance portion bottom surface is connected with main shaft.
Described bent axle microcephaly is eccentric to be arranged on boss, and more existing bent axle microcephaly volume is smaller, and quality is lighter, and
Increase its wearability by special surface treatment, surface treatment method is chemical spray, other increase surfaces can also be used
The surface treatment gimmick of wearability.
Described bent axle microcephaly and the diameters of axle ratio of main shaft are 1:6-1:3.
The external diameter of described boss is less than or equal to the external diameter in balance portion.
The external diameter of described main shaft is less than the external diameter in balance portion.
Described oil circuit is divided into three parts from bottom to top, and Part I is arranged on inside main shaft, is that oil-sucking hole 9 to the first goes out
Part between oilhole；Part II is the oil circuit groove between the first oil outlet of connection and fuel feed hole, and the oil circuit groove is arranged on master
Axle outer wall spiral is upward；Part III is arranged on connection fuel feed hole and the second oil outlet inside main shaft.
Described venthole is arranged on the outer wall of main shaft lower end, is connected with the Part I of oil circuit.
During the bent axle work of compressor, lubricating oil is sucked from the oil-sucking hole of main shaft bottom, under the influence of centrifugal force, lubrication
Oil is upward all the way along oil circuit, by oil circuit Part I, is thrown away when flowing at the first oil outlet from this oil outlet to corresponding
Part is lubricated, and subsequent lubricating oil continues up flowing along oil circuit groove, from fuel feed hole enter oil circuit Part III, finally by
Second oil outlet is thrown away, and lubricates corresponding component around it, and the gas existed in oil circuit is discharged by venthole.
Compared with prior art, the beneficial effects of the utility model are：
(1) castiron flange is arranged on freezer compressor shell by the utility model using the connected mode of interference fit
In vivo, it instead of spring steel is made in prior art freezer compressor spring to support freezer compressor body and motor, greatly
The big volume for reducing compressor, while reducing cost；
(2) flange that the utility model is used is integrally formed, simple in construction, improves the production of reciprocating compressor of refrigerator
Efficiency；
(3) oil outlet of bent axle has been arranged on the boss in balance portion by the utility model, by using special surface
The mode of processing improves the wearability of the small head surface of bent axle, while reducing the volume of bent axle microcephaly to alleviate the matter of bent axle
Amount so that compressor volume is smaller, and quality is lighter, reduces the vibration of inertia force generation, reduces compressor noise and transports it
Row is more steady；
(4) piston and connecting rod of the present utility model use lighter aluminium alloy or engineering plastics so that compressor matter
Amount is lighter.
In summary, totally-enclosed Reciprocting piston compressor volume of the present utility model is smaller, and quality is lighter, and noise is more
Small, stationarity is higher.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of the totally-enclosed reciprocating-piston freezer compressor of the utility model；
Fig. 2 is the sectional view of the totally-enclosed reciprocating-piston freezer compressor of the utility model；
Fig. 3 is the A direction views in Fig. 2；
Fig. 4 is the structural representation of bent axle side of the present utility model；
Fig. 5 is the structural representation of bent axle opposite side of the present utility model；
Fig. 6 is the upward view of bent axle of the present utility model；
Wherein：1st, flange；2nd, connecting rod；3rd, piston；4th, cylinder body；5th, air valve；6th, housing；6-1, lower house；6-2, upper shell；
7th, bent axle；7-1, bent axle microcephaly；7-2, the second oil outlet；7-3, balance portion；7-4, fuel feed hole；7-5, oil circuit groove；7-6, main shaft；
7-7, venthole；7-8, the first oil outlet；7-9, oil-sucking hole；7-10, boss；8th, motor；8-1, rotor；8-2, motor are fixed
Son；9th, convex annular edge；10th, binding post.
Embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment：
Referring to a specific implementation of the totally-enclosed reciprocating-piston freezer compressor of the utility model shown in Fig. 1 to Fig. 6
Example, it can be seen that the utility model includes connecting rod 2, piston 3, cylinder body 4, air valve 5, the bent axle 7 installed in housing 6 and housing 6
And motor 8, the output end of motor 8 is connected with bent axle 7, and the top of bent axle 7 is connected by connecting rod 2 with the piston 3 in cylinder body 4, cylinder
Body 4 is connected with air valve 5, and a flange 1 is provided with housing 6, and the flange 1 is interference fitted with the inwall of housing 6, and motor 8 is consolidated with flange 1
Dress, bent axle 7 is rotatably installed on flange 1 through the centre bore of flange 1, and cylinder body 4 is packed on flange 1.
Interference fit is formed between rotor 8-1 in described bent axle 7 and motor 8.
6 points described of housing is upper shell 6-2 and lower house 6-1, and lower house 6-1 upper inside walls are formed with a convex annular edge
9, flange 1 is formed along 9 with convex annular and is interference fitted.
Described binding post 10 is vertically installed on upper shell 6-2, and the part outside upper shell 6-2 is pressed with external control
The control box (not marked in figure) of contracting machine is connected, and the part in upper shell 6-2 is connected with the motor down-lead inside compressor.
The mode that is fixedly mounted between described motor 8 and flange 1, cylinder body 4 and flange 1 is：Bolt connection；It can also use in addition
Other are fixedly mounted with mode, such as threaded connection, welding, riveting, splicing.
Described piston 3 and the material of connecting rod 2 are aluminium alloy or engineering plastics, and the material of flange 1 is cast iron.
Above-mentioned bent axle 7 includes being respectively arranged with bent axle microcephaly 7-1, balance portion 7-3 and main shaft 7-6 from top to bottom；Main shaft
7-6 outer walls are provided with fuel feed hole 7-4, oil circuit groove 7-5, the first oil outlet 7-8, venthole 7-7, main shaft 7-6 bottoms from top to bottom
Center, which is provided with oil-sucking hole 7-9, main shaft 7-6, is provided with oil circuit (not marked in figure), bent axle microcephaly 7-1 and balance portion 7-
Boss 7-10 is provided between 3, bent axle microcephaly 7-1 bottom surfaces are connected with boss 7-10 top surface, also set on boss 7-10 top surface
The second oil outlet 7-2 is equipped with, boss 7-10 bottom surfaces are connected with balance portion 7-3 top surfaces, and balance portion 7-3 bottom surfaces are connected with main shaft 7-6.
Described bent axle microcephaly 7-1 is eccentric to be arranged on boss 7-10, and more existing bent axle microcephaly volume is smaller, quality
It is lighter, and increase its wearability by special surface treatment, surface treatment method is chemical spray, and other increasings can also be used
Plus the surface treatment gimmick of surface abrasion resistance.
Described bent axle microcephaly 7-1 and main shaft 7-6 diameters of axle ratio is 1:5.
Described boss 7-10 external diameter is less than balance portion 7-3 external diameter.
Described main shaft 7-6 external diameter is less than balance portion 7-3 external diameter.
Described oil circuit (not marked in figure) is divided into three parts from bottom to top, and Part I is arranged on inside main shaft 7-6, is
Oil-sucking hole 7-9 is to the part between the first oil outlet 7-8；Part II is between connection the first oil outlet 7-8 and fuel feed hole 7-4
Oil circuit groove 7-5, it is upward that oil circuit groove 7-5 is arranged on main shaft 7-6 outer wall spirals；Part III, which is arranged on inside main shaft 7-6, to be connected
Logical fuel feed hole 7-4 and the second oil outlet 7-2.
Described venthole 7-7 is arranged on the outer wall of main shaft 7-6 lower ends, is connected with the Part I of oil circuit.
During the bent axle work of compressor, lubricating oil is sucked from the oil-sucking hole of main shaft bottom, under the influence of centrifugal force, lubrication
Oil is upward all the way along oil circuit, by oil circuit Part I, is thrown away when flowing at the first oil outlet from this oil outlet to corresponding
Part is lubricated, and subsequent lubricating oil continues up flowing along oil circuit groove, from fuel feed hole enter oil circuit Part III, finally by
Second oil outlet is thrown away, and lubricates corresponding component around it, and the gas existed in oil circuit is discharged by venthole.
Be all refrigeration plant compressor of air conditioner because its cryogenic temperature difference (lowest refrigerating temperature of air-conditioning be above freezing 15
Degree Celsius, the lowest refrigerating temperature of refrigerator is subzero 18 degrees Celsius) and be essentially different with freezer compressor, it is therefore, empty
Compressor is adjusted not constitute technical inspiration to the utility model.
Castiron flange is arranged on Dimensions Used in Shell of Refrigerator Compressor by the utility model using the connected mode of interference fit
It is interior, it instead of spring steel is made in prior art freezer compressor spring to support freezer compressor body and motor, significantly
Reduce the volume of compressor, while reducing cost；The flange used is integrally formed, simple in construction, improves reciprocating refrigerator
The production efficiency of compressor；Piston and connecting rod are made using lighter aluminium alloy and engineering plastics, the oil outlet of bent axle is set
Put on the boss in balance portion, the mode handled by using special surface improves the wearability of the small head surface of bent axle,
Reduce the volume of bent axle microcephaly simultaneously to alleviate the quality of bent axle so that compressor volume is smaller, and quality is lighter, reduces
The vibration that inertia force is produced, reduces compressor noise and makes its operation more steady.
Done exemplary description to the utility model above, described totally-enclosed reciprocating-piston freezer compressor should
With on all refrigeration plants not only on refrigerator, applied also in various cryogenic temperature claimed ranges, it should explanation
It is, in the case where not departing from core of the present utility model, any simple deformation, modification or other skilled in the art
The equivalent substitution of creative work can not be spent to each fall within protection domain of the present utility model.
Claims (10)
1. totally-enclosed reciprocating-piston freezer compressor, including installed in housing and housing connecting rod, piston, cylinder body, air valve,
Bent axle and motor, the output end of motor are connected with bent axle, are connected by connecting rod with the piston in cylinder body at the top of bent axle, cylinder body and
Air valve is connected, it is characterised in that：A flange is provided with housing, the flange is interference fitted with inner walls, motor is consolidated with flange
Dress, bent axle is rotatably installed on flange through flange center hole, and cylinder body is packed on flange.
2. totally-enclosed reciprocating-piston freezer compressor according to claim 1, it is characterised in that：Described bent axle and electricity
Interference fit is formed between the rotor of machine.
3. totally-enclosed reciprocating-piston freezer compressor according to claim 1, it is characterised in that：Described housing is divided into
Upper shell and lower house, lower house upper inside wall are formed with a convex annular edge, and flange is interference fitted with convex annular along formation.
4. totally-enclosed reciprocating-piston freezer compressor according to claim 1, it is characterised in that：Set on described housing
It is equipped with binding post.
5. totally-enclosed reciprocating-piston freezer compressor according to claim 4, it is characterised in that：Described motor and method
The mode that is fixedly mounted between blue, cylinder body and flange is：Threaded connection, welding, riveting, splicing.
6. totally-enclosed reciprocating-piston freezer compressor according to claim 1, it is characterised in that：Described piston and company
The material of bar is aluminium alloy or engineering plastics.
7. totally-enclosed reciprocating-piston freezer compressor according to claim 1, it is characterised in that：Described bent axle is from upper
And under be respectively arranged with bent axle microcephaly, balance portion and main shaft；Spindle outer wall is provided with fuel feed hole, oil circuit groove, first from top to bottom
Oil outlet, venthole, main shaft bottom centre position, which is provided with oil-sucking hole, main shaft, is provided with oil circuit, bent axle microcephaly and balance portion
Between be provided with boss, the top surface of bent axle microcephaly bottom surface and boss is connected, and the second oil outlet is additionally provided with the top surface of boss, convex
Platform bottom surface is connected with balance portion top surface, and balance portion bottom surface is connected with main shaft.
8. totally-enclosed reciprocating-piston freezer compressor according to claim 7, it is characterised in that：Described bent axle microcephaly
Eccentric is arranged on boss, and the small head surface of bent axle is provided with wear-resistant coating.
9. totally-enclosed reciprocating-piston freezer compressor according to claim 7, it is characterised in that：Described oil circuit is under
And on be divided into three parts, Part I is arranged on inside main shaft, is oil-sucking hole to the part between the first oil outlet；Part II
For the oil circuit groove between the first oil outlet of connection and fuel feed hole, it is upward that the oil circuit groove is arranged on spindle outer wall spiral；Part III
It is arranged on inside main shaft and connects fuel feed hole and the second oil outlet.
10. the totally-enclosed reciprocating-piston freezer compressor according to claim 7 or 9, it is characterised in that：Described outlet
Hole is arranged on the outer wall of main shaft lower end, is connected with the Part I of oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078541.5U CN206555102U (en) | 2017-01-22 | 2017-01-22 | Totally-enclosed reciprocating-piston freezer compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078541.5U CN206555102U (en) | 2017-01-22 | 2017-01-22 | Totally-enclosed reciprocating-piston freezer compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555102U true CN206555102U (en) | 2017-10-13 |
Family
ID=60358466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720078541.5U Expired - Fee Related CN206555102U (en) | 2017-01-22 | 2017-01-22 | Totally-enclosed reciprocating-piston freezer compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343593A (en) * | 2017-01-22 | 2018-07-31 | 王毅 | Totally-enclosed reciprocating-piston freezer compressor |
| WO2020177507A1 (en) * | 2019-03-01 | 2020-09-10 | 安徽美芝制冷设备有限公司 | Pump body assembly for reciprocating-type compressor, and reciprocating-type compressor |
-
2017
- 2017-01-22 CN CN201720078541.5U patent/CN206555102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343593A (en) * | 2017-01-22 | 2018-07-31 | 王毅 | Totally-enclosed reciprocating-piston freezer compressor |
| WO2020177507A1 (en) * | 2019-03-01 | 2020-09-10 | 安徽美芝制冷设备有限公司 | Pump body assembly for reciprocating-type compressor, and reciprocating-type compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20190122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |