CN203560058U - Gas compressor - Google Patents
Gas compressor Download PDFInfo
- Publication number
- CN203560058U CN203560058U CN201320635469.3U CN201320635469U CN203560058U CN 203560058 U CN203560058 U CN 203560058U CN 201320635469 U CN201320635469 U CN 201320635469U CN 203560058 U CN203560058 U CN 203560058U
- Authority
- CN
- China
- Prior art keywords
- gas compressor
- rotor
- crankshaft
- shell body
- lower shell
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000003584 silencer Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model discloses a gas compressor which comprises an upper casing, a lower casing unit, a motor unit, a piston cylinder unit and an air absorption and release valve component unit, wherein the motor unit comprises a stator and a rotor; the rotor is mounted outside the stator; the lower casing unit comprises a lower casing, an air suction pipe and an exhaust pipe; the upper casing and the lower casing are connected hermetically; the piston cylinder unit comprises a crankshaft box, a connecting rod, a crankshaft and a piston; the lower casing unit is connected with the crankshaft box through a seat spring; the crankshaft box is fixedly connected with the stator; the piston cylinder unit is fixedly connected with the air absorption and release valve component unit; the motor unit is mounted at the upper part of the crankshaft box; a reciprocating motion mechanism composed of the crank of the crankshaft, the connecting rod, and the piston is arranged at the bottom of the pump body of the compressor; the crankshaft is connected with the rotor. The gas compressor disclosed by the utility model has the advantages as follows: the structure is compact, the size is small, the efficiency is high, the operation is stable and the driving force is strong, the requirements of relatively-high energy efficiency and miniaturization are met, and the utilization space of a refrigerator is enlarged.
Description
Technical field
The utility model relates to a kind of compressor, especially a kind of rotor external motor structure, highly ultralow, gas compressor of being applicable to refrigerator of adopting.
Background technique
Existing freezer compressor is generally comprised of housing, motor, cylinder etc., and wherein electric machine structure generally adopts rotor in interior, stator structure outside.For guaranteeing that motor provides enough moments of torsion, adopt this structure need to sacrifice certain efficiency, cause electric efficiency lower; Simultaneously this structure also can cause motor and compressor volume larger, thereby limited the further miniaturization of freezer compressor, reduced the use volume of refrigerator.Also the motor that has at present rotor external, is placed in stator outside by rotor, although can increase output torque, still can not reduce the volume of compressor.
Summary of the invention
The gas compressor that technical problem to be solved in the utility model is to propose a kind of compact structure, volume is little, efficiency is high, operate steadily, driving force is strong.
For solving the problems of the technologies described above, a kind of gas compressor of the utility model comprises upper shell, lower shell body unit, electric motor units, piston cylinder units and air inlet-exhaust valve assembly unit, described electric motor units comprises stator and rotor, and described rotor is installed on the outside of described stator; Described lower shell body unit comprises lower shell body, sucking pipe and outlet pipe, and described upper shell is connected with lower shell body is airtight; Described piston cylinder units comprises crankcase, connecting rod, crankshaft and piston, and described lower shell body unit is connected by marshall springs with described crankcase, and described crankcase and described stator are fixedly linked; Described piston cylinder units and described air inlet-exhaust valve assembly unit are fixedly linked; Described electric motor units is arranged on the top of described crankcase; The reciprocating mechanism that the crank of described bent axle, connecting rod, piston form is located at compressor pump bottom; Described bent axle is connected with described rotor.
Above-mentioned a kind of gas compressor, the second step face of described upper shell is lower than housing principal plane.
Above-mentioned a kind of gas compressor, described lower shell body unit also comprises under-chassis, sealed wiring post and process duct, the inside bottom of described lower shell body is provided with four marshall springs pins, on described each marshall springs pin and described crankcase, between set marshall springs pin, be press-fitted described marshall springs, described under-chassis is fixed on the bottom of described lower shell body, described sealed wiring post is arranged in wiring terminal hole set on described lower shell body, described lower shell body is provided with the air-breathing mouth of pipe, exhaust pipe mouth and the technique mouth of pipe, described sucking pipe, outlet pipe and process duct are welded on the described air-breathing mouth of pipe successively, exhaust pipe mouth and the technique mouth of pipe.
Above-mentioned a kind of gas compressor, described crankcase is provided with crankshaft base, and the crankshaft hole of described crankshaft base is positioned at the top of the shaft shoulder face of described crankshaft base, the shaft shoulder face of described crankshaft base and the laminating of the supporting surface of described bent axle.
Above-mentioned a kind of gas compressor, described bent axle is solid crankshaft.
Above-mentioned a kind of gas compressor, described crankcase is provided with oil groove and cylinder, and described oil groove is dipped in the lubricant oil of compressor, and is communicated with described cylinder.
Above-mentioned a kind of gas compressor, being shaped as of described connecting rod is U-shaped.
Above-mentioned a kind of gas compressor, described electric motor units also comprises coupling, ball bearing, ball bearing pad, screw and locked spacer, ball bearing pad, ball bearing and coupling are installed successively, described coupling and described bent axle interference fit between described rotor and stator.
Above-mentioned a kind of gas compressor, described rotor comprises magnetic shoe and rotor cover, and described magnetic shoe is distributed in the inwall of described rotor cover, and the top of described rotor cover offers notch.
Above-mentioned a kind of gas compressor, described air inlet-exhaust valve assembly unit comprises valve group, inhaling silencer, inside exhaust pipe and anechoic room cover plate, described valve group is fixedly mounted on cylinder face; Described inhaling silencer is arranged on suction port set on described crankcase; Described anechoic room cover plate is fixedly mounted in the anechoic chamber of described crankcase, and described anechoic room cover plate and described inside exhaust pipe are fixedly linked, and described inside exhaust pipe and described outlet pipe are fixedly linked.
The utility model is owing to having adopted above-mentioned technical pattern, marshall springs formula freezer compressor with respect to equal-wattage, the advantage such as have compact structure, volume is little, efficiency is high, operate steadily, driving force is strong, has met more high energy efficiency and miniaturization requirement, has promoted the space that utilizes of refrigerator.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model compressor;
Fig. 2 is the exploded view of piston cylinder units and air inlet-exhaust valve assembly unit;
Fig. 3 is the axonometric drawing of crankcase;
Fig. 4 is the structural representation of bent axle;
Fig. 5 is the structural representation of connecting rod.
Embodiment
As shown in Figure 1, the utility model gas compressor comprises upper shell 01, lower shell body unit 04, electric motor units 02, piston cylinder units 03, air inlet-exhaust valve assembly unit 05.The second step face 1 of upper shell 01, lower than housing principal plane, has reduced the setting height(from bottom) of water receiving disc support.The lower shell body 2 of upper shell 01 and lower shell body unit 04 forms confined space by welding; Lower shell body unit 04 is connected (please refer to Fig. 2) with the crankcase 22 of piston cylinder units 03 by marshall springs 27; The crankcase 20 of piston cylinder units 03 is bolted to connection with the stator 07 of electric motor units 02; Piston cylinder units 03 is bolted to connection with air inlet-exhaust valve assembly unit 05; Electric motor units 02 is arranged on the top of crankcase 20; The rotor 06 of electric motor units 02 is installed on stator 07 outside, has strengthened the arm of force, and the driving force of equal-wattage motor is larger, has improved electric efficiency; The reciprocating mechanism that crank 42, connecting rod 20, piston 19 form is positioned at compressor pump bottom (please refer to Fig. 4 and Fig. 5), and the reciprocating mechanism that crank, connecting rod, piston form is positioned at compressor pump bottom, can reduce the volume of compressor; Bent axle 21 is connected with rotor 06, by connecting rod 20, drives piston 19 reciprocating in cylinder, realizes the object of pressurized gas.
Please refer to Fig. 2, lower shell body unit 04 comprises lower shell body 2, under-chassis 45, sealed wiring post 16, sucking pipe 28, outlet pipe 25, process duct 30, lower shell body 2 inside bottom are provided with four marshall springs pins 23, between the marshall springs pin 39 of the crankcase 22 of marshall springs pin 23 and piston cylinder units 03, be press-fitted marshall springs 27(please refer to Fig. 3), under-chassis 45 is welded on the bottom of lower shell body 2, in order to compressor is arranged on to refrigerator inside; Sealed wiring post 16 is arranged in the wiring terminal hole 46 of lower shell body 2, in order to connect starter, protector; Lower shell body 2 is processed with the air-breathing mouth of pipe 29, exhaust pipe mouth 26, the technique mouth of pipe 31, and sucking pipe 28, outlet pipe 25, process duct 30 are welded on the air-breathing mouth of pipe 29, exhaust pipe mouth 26, the technique mouth of pipe 31 of lower shell body 2 successively.
Please refer to Fig. 2, piston cylinder units 03 comprises crankcase 22, connecting rod 20, bent axle 21, piston 19, wrist pin 47 and marshall springs 27.As shown in Figure 3, crankshaft base 34, cylinder 41, oil groove 36, marshall springs post 39, screw hole 32, anechoic chamber 37, inlet hole 40 and bumper frame 35 are cast and be processed with to crankcase 22; The crankshaft hole 33 of crankshaft base 34 is positioned at the top of the shaft shoulder face 38 of crankshaft base 34, major axis 43 Spielpassung of crankshaft hole 33 and bent axle 21, the shaft shoulder face 38 of crankshaft base 34 and 48 laminatings (please refer to Fig. 4) of the supporting surface of bent axle 21; Bent axle 21 is solid crankshaft, does not bear oil transportation function, in the situation that meeting requirement of strength, less than the hollow crankshaft diameter of bearing oil transportation, has reduced surface friction drag simultaneously.Oil groove 36 parts are dipped in the lubricant oil of compressor, and are communicated with cylinder 41, and during bent axle 21 rotation, cylinder 41 directly contacts with oil, saves machining of oil hole, bears the function of lubricated and draining; Can reduce diameter, reduce surface friction drag simultaneously.Cylinder 41 and piston 19 concentric fit, screw hole 32 is bolted to connection with the stator 07 of electric motor units 02; Bumper frame 35 is distributed in around crankcase 22, prevents the rotor 06 and upper shell 01 collision of electric motor units 02.The crank 42 of bent axle 21 and major part 49 concentric fit of connecting rod 20, microcephaly 50 and piston 19 concentric fit of connecting rod 20, and locate bent axle 21 and connecting rod 20 relative positions (please refer to Fig. 5) by screw.The end face center of the major axis 43 of bent axle 21 is processed with tapped hole 44(as shown in Figure 4), bent axle 21 is fixedly connected with the rotor 06 of electric motor units 02 by tapped hole 44; Connecting rod 20 is designed to U-shaped structure, walks around the high point of coil, reduces complete machine height; The connecting rod that crank 42, connecting rod 20 form is positioned at compressor pump bottom, is conducive to improve reciprocating stationarity.
As shown in Figure 1, electric motor units 02 comprises stator 07, rotor 06, coupling 9, ball bearing 10, ball bearing pad 11, screw 4 and locked spacer 5; Stator 07 comprises stator iron core 13, drum 8; Stator iron core 13 is processed with center hole and bolt hole 14, by center hole, stator 07 is arranged on the crankshaft hole 33 of crankshaft base 34 of piston cylinder units 03, by bolt hole 14, stator 07 is connected with crankcase 22 bolts.Ball bearing pad 11, ball bearing 10 and coupling 9 are installed successively, coupling 9 and bent axle 21 interference fit between rotor 06 and stator 07.Rotor 06 comprises magnetic shoe 3 and rotor cover 7, and magnetic shoe 3 is distributed in the inwall of rotor cover 7, and the top of rotor cover 7 has notch 52, and when rotor 06 rotates, notch 52 can form swirling eddy, reduces motor temperature and improves electric efficiency.The top of rotor cover 7 has center hole 6 and pin-and-hole 53, and screw 4 is threaded with bent axle 21 by center hole 6, and rotor 06 is fixing with bent axle 21, and 7 of screw 4 and rotor cover are lined with locked spacer 5.Coupling 9 and bent axle 21 interference assemblings, one end of coupling 9 is processed with straight pin 51, by straight pin 51, coordinates with the pin-and-hole 53 of rotor cover 7, and coupling 9 is fixedly connected with rotor cover 7.
As shown in Figure 2, air inlet-exhaust valve assembly unit 05 comprises valve group 17, inhaling silencer 15, inside exhaust pipe 24 and anechoic room cover plate 18, valve group 17 is mounted by means of bolts on cylinder face, inhaling silencer 15 is arranged on suction port 40, anechoic room cover plate 18 is mounted by means of bolts in the anechoic chamber 37 of crankcase 22 (please refer to Fig. 3), anechoic room cover plate 18 and inside exhaust pipe 24 welding, inside exhaust pipe 24 and outlet pipe 25 welding.
The utility model has following apparent outstanding substantive distinguishing features and remarkable advantage compared with prior art: one, the compact structure of compressor, and space makes full use of, and makes compressor more flat small-sized, has promoted the space that utilizes of refrigerator; Two, the rotor of electric motor units is placed in stator outside, and the arm of force is longer, and the driving force of equal-wattage motor is larger, has improved electric efficiency; Three, connecting rod is positioned at the bottom of compressor pump, turns round more steady; Four, water receiving disc support is installed on the second step face of upper shell, has reduced setting height(from bottom), and further refrigerator utilizes space; When five, compressor is normally worked, cylinder, piston can directly contact with oil, save machining of oil hole; Six, crankshaft center is not born oil transportation function, and intensity improves, and can reduce diameter, has reduced surface friction drag simultaneously yet; Seven, adopt U-shaped connecting rod to walk around the high point of coil, be conducive to reduce complete machine height, make more compact structure; Eight, the rotor cover of electric motor units is processed with notch, is conducive to rotate to form air-flow, and stator is played to cooling left and right, has improved the efficiency of motor.
Claims (10)
1. a gas compressor, comprise upper shell, lower shell body unit, electric motor units, piston cylinder units and air inlet-exhaust valve assembly unit, described electric motor units comprises stator and rotor, and described lower shell body unit comprises lower shell body, sucking pipe and outlet pipe, and described upper shell is connected with lower shell body is airtight; Described piston cylinder units comprises crankcase, connecting rod, crankshaft and piston, and described crankcase and described stator are fixedly linked; Described piston cylinder units and described air inlet-exhaust valve assembly unit are fixedly linked; Described electric motor units is arranged on the top of described crankcase; It is characterized in that, described rotor is installed on the outside of described stator, and described bent axle is connected with described rotor; Described lower shell body unit is connected by marshall springs with described crankcase, and the reciprocating mechanism that the crank of described bent axle, connecting rod, piston form is located at compressor pump bottom.
2. a kind of gas compressor as claimed in claim 1, is characterized in that, the second step face of described upper shell is lower than housing principal plane.
3. a kind of gas compressor as claimed in claim 1 or 2, it is characterized in that, described lower shell body unit also comprises under-chassis, sealed wiring post and process duct, the inside bottom of described lower shell body is provided with four marshall springs pins, on described each marshall springs pin and described crankcase, between set marshall springs pin, be press-fitted described marshall springs, described under-chassis is fixed on the bottom of described lower shell body, described sealed wiring post is arranged in wiring terminal hole set on described lower shell body, described lower shell body is provided with the air-breathing mouth of pipe, exhaust pipe mouth and the technique mouth of pipe, described sucking pipe, outlet pipe and process duct are welded on the described air-breathing mouth of pipe successively, exhaust pipe mouth and the technique mouth of pipe.
4. a kind of gas compressor as claimed in claim 1 or 2, it is characterized in that, described crankcase is provided with crankshaft base, and the crankshaft hole of described crankshaft base is positioned at the top of the shaft shoulder face of described crankshaft base, the shaft shoulder face of described crankshaft base and the laminating of the supporting surface of described bent axle.
5. a kind of gas compressor as claimed in claim 1 or 2, is characterized in that, described bent axle is solid crankshaft.
6. a kind of gas compressor as claimed in claim 1 or 2, is characterized in that, described crankcase is provided with oil groove and cylinder, and described oil groove is dipped in the lubricant oil of compressor, and is communicated with described cylinder.
7. a kind of gas compressor as claimed in claim 1 or 2, is characterized in that, being shaped as of described connecting rod is U-shaped.
8. a kind of gas compressor as claimed in claim 1 or 2, it is characterized in that, described electric motor units also comprises coupling, ball bearing, ball bearing pad, screw and locked spacer, ball bearing pad, ball bearing and coupling are installed successively, described coupling and described bent axle interference fit between described rotor and stator.
9. a kind of gas compressor as claimed in claim 1 or 2, is characterized in that, described rotor comprises magnetic shoe and rotor cover, and described magnetic shoe is distributed in the inwall of described rotor cover, and the top of described rotor cover offers notch.
10. a kind of gas compressor as claimed in claim 1 or 2, is characterized in that, described air inlet-exhaust valve assembly unit comprises valve group, inhaling silencer, inside exhaust pipe and anechoic room cover plate, and described valve group is fixedly mounted on cylinder face; Described inhaling silencer is arranged on suction port set on described crankcase; Described anechoic room cover plate is fixedly mounted in the anechoic chamber of described crankcase, and described anechoic room cover plate and described inside exhaust pipe are fixedly linked, and described inside exhaust pipe and described outlet pipe are fixedly linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635469.3U CN203560058U (en) | 2013-10-16 | 2013-10-16 | Gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635469.3U CN203560058U (en) | 2013-10-16 | 2013-10-16 | Gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560058U true CN203560058U (en) | 2014-04-23 |
Family
ID=50509784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635469.3U Expired - Lifetime CN203560058U (en) | 2013-10-16 | 2013-10-16 | Gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629073A (en) * | 2013-10-16 | 2014-03-12 | 加西贝拉压缩机有限公司 | Gas compressor |
| CN105570090A (en) * | 2016-03-03 | 2016-05-11 | 加西贝拉压缩机有限公司 | Split type crankcase for refrigerator compressor |
-
2013
- 2013-10-16 CN CN201320635469.3U patent/CN203560058U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629073A (en) * | 2013-10-16 | 2014-03-12 | 加西贝拉压缩机有限公司 | Gas compressor |
| CN105570090A (en) * | 2016-03-03 | 2016-05-11 | 加西贝拉压缩机有限公司 | Split type crankcase for refrigerator compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |