CN202900662U - Integrated screw air compressor - Google Patents
Integrated screw air compressor Download PDFInfo
- Publication number
- CN202900662U CN202900662U CN 201220592110 CN201220592110U CN202900662U CN 202900662 U CN202900662 U CN 202900662U CN 201220592110 CN201220592110 CN 201220592110 CN 201220592110 U CN201220592110 U CN 201220592110U CN 202900662 U CN202900662 U CN 202900662U
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Abstract
The utility model discloses an integrated screw air compressor and belongs to the technical field of air compressors. The screw air compressor comprises a motor and a compressor host, wherein the motor comprises a motor shell, a motor stator, a motor rotor and a motor shaft; the motor stator is arranged in a cavity of the motor shell and is fixed together with an inner wall of the motor shell; the motor rotor is sleeved on the motor shaft and corresponds to an inner ring of the motor stator; the compressor host comprises an air suction end cover; and the air suction end cover is arranged at one end of the compressor host. The integrated screw air compressor is characterized in that the motor shell of the motor is directly connected with the air suction end cover of the compressor host, so that the motor and the compressor host are connected into a whole; and an air outlet is formed in the air suction end cover. The integrated screw air compressor has the advantages that the motor front cover on a motor part in the prior art is saved, so that the overall structure is compact and light, the cost is reduced, an air outlet of the motor heat is formed in the air suction cover, the radiating effect of the motor is enhanced, and the good performance of the overall machine is guaranteed.
Description
Technical field
The utility model belongs to the air compressor technical field, is specifically related to a kind of integral type screw air compressor, is the improvement to existing integral type screw air compressor structure
Background technique
The driving mode of tradition screw air compressor mainly contains two kinds: a kind of is to adopt coupling to drive; Another kind is to utilize the speedup of belt or gear to drive.There is following shortcoming in the structure of above-mentioned driving mode: at first, motor is by the host work of coupling drive compression machine, cause the machine shape size larger, the angle of development is considered from the compressor complete machine to trend toward miniaturization, because include the bearing for fixed electrical machinery in the compressor, obvious this compressor arrangement is the requirement that does not meet era development; Secondly, compressor is used for holding the gear-box of overdrive gear except one of needs, also need many parts, for example be used for rotation and support overdrive gear bearing, be used for installing the running shaft of this overdrive gear, have accelerating function and be used for the belt of transferring power and belt pulley etc., thereby so that the cost of compressor increase.
For example, the applicant has applied for a Chinese utility model patent on July 27th, 2010, its notice of authorization number is CN201827074U, name is called " a kind of double-screw air compressor ", double-screw air compressor described in this patent comprises compressor host parts and driver part, the compressor host parts comprise body, male rotor, female rotor, air-breathing end cap, exhaust end cover and exhaust cap, characteristics are: driver part is permagnetic synchronous motor, comprise motor casing, motor rear cover, front motor cover, stator component, rotor part and motor shaft, described motor casing covers by the suction end that front motor cover is fixed on the compressor host parts, motor shaft is extended by the die cavity direction of the male rotor axial direction electric machine shell of male rotor and consists of, and rotor part is installed on the motor shaft and is corresponding with stator component.Advantage: compressor and motor partly are linked to be an integral body, and overall volume is than traditional employing coupling or utilize belt or screw air compressor that gear up drives comes littlely, has cast out many component, has reduced manufacture cost.But also there is following problem in this screw air compressor: the first, motor casing covers by the suction end that front motor cover is fixed on the compressor host parts, has increased motor length, thereby has increased the entire length of compressor; The second, the motor casing on this screw air compressor is foundry goods, and as cantilever structure, foundry goods is heavier, and cost is high, has also increased the stressed of motor side bearing, shortens bearing life; Three, rotor and motor stator can produce suitable heat to compressor at work, not enough or the inhomogeneous phenomenon of dispelling the heat if there is the heat cooling, will cause motor temperature too high, shorten electrical machinery life, and the motor casing on this screw air compressor is foundry goods, and heat diffusion area is little and radiating effect is poor.
In view of above-mentioned prior art, the applicant has done useful design, has found solution to the problems described above, and to be proved be effective, and technological scheme described below produces under this background
Summary of the invention
The purpose of this utility model is will provide that a kind of compact structure, cost are low, excellent in heat dissipation effect, long service life, can guarantee the integral type screw air compressor of complete machine operational excellence simultaneously.
The purpose of this utility model reaches like this, a kind of integral type screw air compressor, described screw air compressor comprises motor and compressor host, described motor comprises motor casing, motor stator, rotor and motor shaft, motor stator places in the die cavity of motor casing and fixes with the inwall of motor casing, described rotor is set on the motor shaft and is corresponding with the motor stator inner ring, described compressor host comprises air-breathing end cap, described air-breathing end cap is installed on an end of compressor host, be characterized in: the motor casing of described motor directly is connected with the air-breathing end cap of described compressor host, thereby motor and compressor host are linked to be an integral body, and described suction end covers and has exhaust outlet.
In a specific embodiment of the present utility model, described compressor host also comprises body, male rotor, female rotor, described male rotor and female rotor are intermeshing to be installed in the body, male rotor is made of male rotor axle and male rotor thread section, described air-breathing end cap is installed on body towards an end of motor casing, and the motor shaft of described motor is directly extended by the die cavity direction of the motor casing of the male rotor axial direction electric machine of male rotor and consists of.
In another specific embodiment of the present utility model, described motor is permagnetic synchronous motor or asynchronous motor.
In another specific embodiment of the present utility model, be folded with vibration damper between the air-breathing end cap of the motor casing of described motor and compressor host.
In another specific embodiment of the present utility model, described vibration damper is rubber pad.
Also have in the specific embodiment of the present utility model, described motor casing outer ring is processed with the cambered outwards elongated slot that radially distributes, and this elongated slot becomes the air channel with surface, motor stator outer ring enclosure, and described air channel is communicated with exhaust outlet.
In of the present utility model and then specific embodiment, described motor casing is formed by plate stamping, stamp out the cambered outwards elongated slot that radially distributes in the motor casing outer ring, this elongated slot becomes the air channel with surface, motor stator outer ring enclosure, and described air channel is communicated with exhaust outlet.
More of the present utility model and in specific embodiment, described motor casing is provided with the bolt assembling set that radially distributes at an end that is connected with air-breathing end cap, described bolt assembling set and described motor casing are fixed, and also are fixed with the motor foot that was arranged in a pair of minute in the bottom of described motor casing short transverse.
The utility model is because after adopting said structure, one of advantage that has, the suction end that the motor casing of motor directly is installed to compressor host cover, and cover the exhaust outlet that has be used to distributing the motor internal heat at suction end, both cast out the front motor cover on the motor component in the prior art, make complete machine structure compacter light and handy, reduce cost, again the heat that produces in the motor is in time discharged excellent in heat dissipation effect from the exhaust outlet that suction end covers; Advantage two, motor casing is plate muscle spare, material is few, and is lightweight, easy processing, intensity is large and cost is low, has reduced the stressed of motor side bearing, has prolonged bearing life; Advantage three, motor casing forms by plate stamping, stamp out the cambered outwards elongated slot that radially distributes in the motor casing outer ring, both increased the surface area of motor casing, be conducive to heat radiation, and this elongated slot becomes the air channel with surface, motor stator outer ring enclosure, the exhaust outlet place that air-breathing end cap will be led to the air-flow of heat in the air channel discharges, and the heat that further motor stator and rotor is produced is taken out of outside the motor.
Description of drawings
Fig. 1 is the plan view that the utility model screw air compressor is cast out protecting cover.
Fig. 2 is the partial structurtes sketch of the utility model screw air compressor.
Fig. 3 is the right elevation of the motor casing of the utility model screw air compressor.
Among the figure: 1. motor casing, 11. elongated slots, 111. air channels, 12. bolt assembling sets, 13. motor foots, 2. motor stator, 3. rotor, 31. fan blades, 4. motor shaft, 5. body, 6. male rotor, 61. male rotor axles, 62. male rotor thread sections, 7. female rotor, 8. air-breathing end cap, 81. exhaust outlets, 82. connecting end surfaces, 83. protrude steps, 9. protecting cover, 10. vibration damper.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the claimant general elaborates by reference to the accompanying drawings in embodiment's mode below, but all be not restriction to technical solutions of the utility model to embodiment's description, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1, Fig. 2 and Fig. 3, the related a kind of integral type screw air compressor of present embodiment is by the straight connection type screw air compressor of permagnetic synchronous motor direct driving compressor machine host, comprise motor and compressor host, described motor comprises motor casing 1, motor stator 2, rotor 3 and motor shaft 4, described motor stator 2 places in the die cavity of motor casing 1 and fixes with the inwall of motor casing 1, described rotor 3 is set on the motor shaft 4 and is corresponding with motor stator 2 inner round portion, on rotor 3 both ends of the surface fan blade 31 is installed, the heat that produces when being used for cooling motor work.Described compressor host comprises body 5, male rotor 6, female rotor 7, air-breathing end cap 8 etc., male rotor 6 and female rotor 7 intermeshing being installed in the body 5, described male rotor 6 is made of male rotor axle 61 and male rotor thread section 62, described body 5 is equipped with air-breathing end cap 8 at the end towards motor casing 1, have exhaust outlet 81 on the air-breathing end cap 8, the heat that produces in the motor is discharged from the exhaust outlet 81 on the air-breathing end cap 8, reach the effect of efficiently radiates heat.Exhaust outlet 81 outsides of air-breathing end cap 8 are equipped with protecting cover 9.As shown in Figure 2, described motor shaft 4 is directly extended and consists of to the die cavity direction of motor casing 1 by the male rotor axle 61 of male rotor 6, be that motor shaft 4 and male rotor axle 61 adopt same running shaft, motor direct-drive male rotor 6 rotates, the motor casing 1 of described motor directly is connected with the air-breathing end cap 8 of compressor host, consist of the screw air compressor of a motor direct-drive, cast out the front motor cover on the motor in the prior art, shortened the entire length of air compressor, make complete machine structure compacter light and handy, reduce component, reduced cost.
Please continue to consult Fig. 2 and Fig. 3, described motor casing 1 is formed by plate stamping, stamp out the cambered outwards elongated slot that radially distributes 11 in motor casing 1 outer ring, this elongated slot 11 becomes air channel 111 with surface, motor stator 2 outer rings enclosure, described air channel 111 is communicated with exhaust outlet 81, the end that motor casing 1 is connected with air-breathing end cap 8 is provided with the bolt assembling set 12 that radially distributes, described bolt assembling set 12 is fixed on the motor casing 1, its means of fixation is unrestricted, in the present embodiment, the preferred mode of welding that adopts is fixed, the end face of bolt assembling set 12 exceeds the end face of motor casing 1, and the protrusion step 83 that exceeds connecting end surface 82 that is formed with respectively for the connecting end surface 82 that matches with described bolt assembling set 12 end faces on the end of the air-breathing end cap 8 that links to each other with motor casing 1 and is used for matching with described motor casing 1 end face, between motor casing 1 end face and the protrusion step 83 vibration damper 10 is installed, the structural type of described vibration damper 10 is unrestricted, in the present embodiment, preferably adopt rubber pad.The motor foot 13 that had be arranged in a pair of minute at the bottom welding of described motor casing 1 short transverse.
Integral type screw air compressor in the present embodiment is when work, can produce the motor heat between motor stator 2 and the rotor 3, fan blade 31 on the rotor 3 along with the rotation of rotor 3 produce cooling blast with dissipation of heat to motor casing 1, motor casing 1 is that plate stamping forms, and the cambered outwards elongated slot that radially distributes 11 is arranged on the outer ring, the surface area of motor casing 1 is large on the one hand, good heat dissipation effect, exhaust outlet 81 places that to lead to the air-flow of heat air-breathing end cap 8, the air channel 111 that becomes with the outer surface enclosure of motor stator 2 of elongated slot 11 discharge on the other hand, and the heat that further motor stator 2 and rotor 3 is produced is taken out of outside the motor.In this structure, motor casing 1 is plate muscle spare, and material is few, and is lightweight, easy processing, and intensity is large and cost is low
Claims (8)
1.
A kind of integral type screw air compressor, described screw air compressor comprises motor and compressor host, described motor comprises motor casing (1), motor stator (2), rotor (3) and motor shaft (4), motor stator (2) places in the die cavity of motor casing (1) and fixes with the inwall of motor casing (1), it is upper and corresponding with motor stator (2) inner ring that described rotor (3) is set in motor shaft (4), described compressor host comprises air-breathing end cap (8), described air-breathing end cap (8) is installed on an end of compressor host, it is characterized in that: the motor casing of described motor (1) directly is connected with the air-breathing end cap (8) of described compressor host, thereby motor and compressor host are linked to be an integral body, have exhaust outlet (81) on the described air-breathing end cap (8).
2.
Integral type screw air compressor according to claim 1, it is characterized in that described compressor host also comprises body (5), male rotor (6), female rotor (7), described male rotor (6) and female rotor (7) are intermeshing to be installed in the body (5), male rotor (6) is made of male rotor axle (61) and male rotor thread section (62), described air-breathing end cap (8) is installed on body (5) towards an end of motor casing (1), and the motor shaft of described motor (4) is directly extended and consists of to the die cavity direction of the motor casing (1) of motor by the male rotor axle (61) of male rotor (6).
3.
Integral type screw air compressor according to claim 1 is characterized in that described motor is permagnetic synchronous motor or asynchronous motor.
4.
Integral type screw air compressor according to claim 1 is characterized in that being folded with vibration damper (10) between the air-breathing end cap (8) of the motor casing (1) of described motor and compressor host.
5.
Integral type screw air compressor according to claim 4 is characterized in that described vibration damper (10) is rubber pad.
6.
Integral type screw air compressor according to claim 1 and 2, it is characterized in that described motor casing (1) outer ring is processed with the cambered outwards elongated slot that radially distributes (11), this elongated slot (11) becomes air channel (111) with surface, motor stator (2) outer ring enclosure, and described air channel (111) are communicated with exhaust outlet (81).
7.
Integral type screw air compressor according to claim 1 and 2, it is characterized in that described motor casing (1) is formed by plate stamping, stamp out the cambered outwards elongated slot that radially distributes (11) in motor casing (1) outer ring, this elongated slot (11) becomes air channel (111) with surface, motor stator (2) outer ring enclosure, and described air channel (111) are communicated with exhaust outlet (81).
8.
Integral type screw air compressor according to claim 1 and 2, it is characterized in that described motor casing (1) is provided with the bolt assembling set (12) that radially distributes at an end that is connected with air-breathing end cap (8), described bolt assembling set (12) and described motor casing (1) are fixing, also are fixed with the motor foot (13) that was arranged in a pair of minute in the bottom of described motor casing (1) short transverse
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592110 CN202900662U (en) | 2012-11-12 | 2012-11-12 | Integrated screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592110 CN202900662U (en) | 2012-11-12 | 2012-11-12 | Integrated screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900662U true CN202900662U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592110 Expired - Lifetime CN202900662U (en) | 2012-11-12 | 2012-11-12 | Integrated screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900662U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401353A (en) * | 2013-07-27 | 2013-11-20 | 宁波德曼压缩机有限公司 | Oil-cooled screw air compressor coaxial with motor |
| CN103956858A (en) * | 2014-05-20 | 2014-07-30 | 南车株洲电机有限公司 | Screw compressor system and application system thereof |
| CN104110379A (en) * | 2014-07-25 | 2014-10-22 | 温岭市鑫磊空压机有限公司 | Direct-connection integrated screw machine-driven asynchronous motor |
| CN104329253A (en) * | 2014-09-18 | 2015-02-04 | 苏州欧能螺杆技术有限公司 | Efficient permanent magnet synchronous screw main-engine |
| CN104753206A (en) * | 2015-03-04 | 2015-07-01 | 苏州通润驱动设备股份有限公司 | Permanent magnet synchronous motor and screw rod compressor provided with permanent magnet synchronous motor |
| CN105545735A (en) * | 2016-01-22 | 2016-05-04 | 南通航运职业技术学院 | Separate screw compressor |
-
2012
- 2012-11-12 CN CN 201220592110 patent/CN202900662U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401353A (en) * | 2013-07-27 | 2013-11-20 | 宁波德曼压缩机有限公司 | Oil-cooled screw air compressor coaxial with motor |
| CN103956858A (en) * | 2014-05-20 | 2014-07-30 | 南车株洲电机有限公司 | Screw compressor system and application system thereof |
| CN104110379A (en) * | 2014-07-25 | 2014-10-22 | 温岭市鑫磊空压机有限公司 | Direct-connection integrated screw machine-driven asynchronous motor |
| CN104329253A (en) * | 2014-09-18 | 2015-02-04 | 苏州欧能螺杆技术有限公司 | Efficient permanent magnet synchronous screw main-engine |
| CN104753206A (en) * | 2015-03-04 | 2015-07-01 | 苏州通润驱动设备股份有限公司 | Permanent magnet synchronous motor and screw rod compressor provided with permanent magnet synchronous motor |
| CN105545735A (en) * | 2016-01-22 | 2016-05-04 | 南通航运职业技术学院 | Separate screw 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: 20130424 |
|
| CX01 | Expiry of patent term |