CN203962393U - The rotary compressor with external rotor electric machine - Google Patents
The rotary compressor with external rotor electric machine Download PDFInfo
- Publication number
- CN203962393U CN203962393U CN201420324101.XU CN201420324101U CN203962393U CN 203962393 U CN203962393 U CN 203962393U CN 201420324101 U CN201420324101 U CN 201420324101U CN 203962393 U CN203962393 U CN 203962393U
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- China
- Prior art keywords
- electric machine
- external rotor
- rotor electric
- rotary compressor
- shock absorber
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Abstract
The utility model discloses a kind of rotary compressor with external rotor electric machine, comprising: housing, described housing is provided with suction port and relief opening, and described suction port place is provided with suction tude, and described exhaust ports is provided with outlet pipe; External rotor electric machine, described external rotor electric machine is located in described housing and comprises stator and be rotatably located at the rotor of described stator outside; And rotary part, described rotary part is located in described housing and comprises cylinder, is located at the upper bearing (metal) of described cylinder upper end, and described stator is fixedly connected with described rotary part, between described rotary part and described housing, is provided with shock absorber.Little according to the utility model embodiment's the rotary compressor vibration with external rotor electric machine, noise is low, and quality is high.
Description
Technical field
The utility model relates to Compressor Technology field, especially relates to a kind of rotary compressor with external rotor electric machine.
Background technique
For the rotary compressor of external rotor electric machine is housed, in correlation technique, between the rotary part that it is inner and the inwall of compressor housing by being welded to connect, during compressor operating, under the effect of gas moment and the factor effects such as electromagnet pull of drive portion self, can make rotary part and drive portion produce vibrational excitation, thereby vibrational excitation is passed on compressor housing with fixed position main casing by above-mentioned.And vibrational excitation meeting excites noise, if it is excessive to vibrate the excessive complete machine noise of air-conditioning system that also can excite, End-Customer is difficult to accept this level of noise, reduces thus the quality of air-conditioning system and compressor.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, the utility model need to provide a kind of rotary compressor with external rotor electric machine, and this rotary compressor vibration is little, and noise is low, and quality is high.
According to the rotary compressor with external rotor electric machine of the present utility model, comprising: housing, described housing is provided with suction port and relief opening, and described suction port place is provided with suction tude, and described exhaust ports is provided with outlet pipe; External rotor electric machine, described external rotor electric machine is located in described housing and comprises stator and be rotatably located at the rotor of described stator outside; And rotary part, described rotary part is located in described housing and comprises cylinder, is located at the upper bearing (metal) of described cylinder upper end, and described stator is fixedly connected with described rotary part, between described rotary part and described housing, is provided with shock absorber.
According to the rotary compressor with external rotor electric machine of the present utility model, by between rotary part and housing, shock absorber being set, thereby can greatly reduce the vibration of rotary compressor, improve the noise of compressor and air-conditioning system, improve product quality.And be fixedly connected with due between stator and rotary part, and do not contact between any one in the stator of external rotor electric machine and rotor and upper bearing (metal), cylinder and lower bearing and inner walls, the vibration of external rotor electric machine and rotary part can, by being passed to housing with contacting of housing, further can not reduce the vibration of whole rotary compressor thus.
In addition, according to the rotary compressor with external rotor electric machine of the present utility model, also can there is following additional technical feature:
According to an embodiment of the present utility model, described housing comprise top and bottom all unlimited main casing, be located at the upper shell of described main casing upper end and be located at the lower shell body of described main casing lower end, described shock absorber is located between described rotary part and described lower shell body.
According to an embodiment of the present utility model, the radial dimension of described cylinder is greater than the radial dimension of described upper bearing (metal), and described shock absorber is located between described cylinder and described lower shell body.
According to an embodiment of the present utility model, described lower shell body is provided with upwardly extending guide pillar, and described guide pillar is through the lower end surface of described cylinder, and described shock absorber is set on described guide pillar.
According to an embodiment of the present utility model, the radial dimension of described cylinder is less than the radial dimension of described upper bearing (metal), and described shock absorber is located between described upper bearing (metal) and described lower shell body.
According to an embodiment of the present utility model, described lower shell body is provided with upwardly extending guide pillar, and described guide pillar is through the lower end surface of described upper bearing (metal), and described shock absorber is set on described guide pillar.
According to an embodiment of the present utility model, described shock absorber is rubber parts, spiral spring piece or plate-shaped springs part.
According to an embodiment of the present utility model, described shock absorber comprises at least three and arrange around the axis interval of described upper bearing (metal).
According to an embodiment of the present utility model, at least one in described suction tude and described outlet pipe made by the double-deck butt-welded tube, and at least one in described suction tude and described outlet pipe is configured to distorted shape.
According to an embodiment of the present utility model, at least one in described suction tude and described outlet pipe, be arranged with spring.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is according to the structural representation of an embodiment's of the utility model the rotary compressor with external rotor electric machine;
Fig. 2 is according to the structural representation of an embodiment's of the utility model the rotary compressor with external rotor electric machine;
Fig. 3 is according to the structural representation of an embodiment's of the utility model the rotary compressor with external rotor electric machine;
Fig. 4 is according to the structural representation of an embodiment's of the utility model the rotary compressor with external rotor electric machine.
Description of reference numerals:
Rotary compressor 100;
Housing 1; Suction tude 11; Outlet pipe 12; Main casing 13; Upper shell 14; Lower shell body 15;
External rotor electric machine 2; Stator 21; Rotor 22;
Rotary part 3; Cylinder 31; Upper bearing (metal) 32; Lower bearing 33; Bent axle 34;
Shock absorber 4; Rubber parts 41; Spiral spring piece 42;
Guide pillar 5; Spring 6.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1-Fig. 4, describe according to the utility model embodiment's the rotary compressor with external rotor electric machine 100.As Fig. 1-Fig. 4, according to the utility model embodiment's rotary compressor 100, comprise: housing 1, external rotor electric machine 2 and rotary part 3.
In embodiments more of the present utility model, housing 1 comprises main casing 13, upper shell 14 and lower shell body 15, the top and bottom of main casing 13 are all opened wide, upper shell 14 is located at main casing 13 upper ends, lower shell body 15 is located at main casing 13 lower ends, and main casing 13, upper shell 14 and lower shell body 15 limit airtight space jointly.External rotor electric machine 2 is located in housing 1, and external rotor electric machine 2 comprises stator 21 and be rotatably located at the rotor 22 of stator 21 outsides, and rotor 22 comprises end plate and around the side plate of the circumferential setting of end plate.On axial cross section, rotor 22 can be configured to positive U-shaped, also can be configured to inverted U-shaped.
Rotary part 3 is located in housing 1, rotary part 3 comprises cylinder 31, is located at the upper bearing (metal) 32 of cylinder 31 upper ends, also can comprise the lower bearing 33 that is located at cylinder 31 lower ends, also comprise bent axle 34, bent axle 34 is from bottom to top successively through lower bearing 33 (if having), cylinder 31, upper bearing (metal) 32, and extend upwardly in external rotor electric machine 2, bent axle 34 is fixedly connected with rotor 22, in the process of rotor 22 rotation, be with dynamic crankshaft 34 together to rotate, so bent axle 34 can drive piston disposed thereon in the interior rotation of cylinder 31 to reach the object of compression.
Wherein, stator 21 is fixedly connected with rotary part 3, between rotary part 3 and housing 1, is provided with shock absorber 4.Here it should be explained that, stator 21 is fixedly connected with and refers to rotary part 3, stator 21 is connected with upper bearing (metal) 32, cylinder 31 or lower bearing 33 in rotary part 3, to make relative maintaining static between stator 21 and upper bearing (metal) 32, cylinder 31 or lower bearing 33 in rotary part 3.The example shown in Fig. 1-Fig. 4 for example, stator 21 can be connected with upper bearing (metal) 32 by bolt.Certainly the utility model is not limited to this, and stator 21 can also be connected with upper bearing (metal) 32 by other means, such as interference fit, buckle connection, stickup etc., and stator 21 can also be fixedly connected with cylinder 31 or lower bearing 33.
Here also it should be explained that, between rotary part 3 and housing 1, be provided with shock absorber 4, refer between any one and the housing 1 in upper bearing (metal) 32, cylinder 31 or the lower bearing 33 in rotary part 3 and be provided with shock absorber 4.Especially, between any one in external rotor electric machine 2, upper bearing (metal) 32, cylinder 31 and lower bearing 33 and housing 1 inwall, all ensure certain gap, in other words, stator 21 in external rotor electric machine 2 and rotor 22, between any one in upper bearing (metal) 32, cylinder 31 and lower bearing 33 and housing 1 inwall, do not contact, the vibration of external rotor electric machine 2 and rotary part 3 can not be passed to housing 1 with contacting of inwall by it thus.
According to the utility model embodiment's the rotary compressor with external rotor electric machine 100, by shock absorber 4 being set between rotary part 3 and housing 1, thereby can greatly reduce the vibration of rotary compressor 100, improve the noise of rotary compressor 100 and air-conditioning system, improve product quality.And be fixedly connected with due between stator 21 and rotary part 3, and do not contact between any one in the stator 21 of external rotor electric machine 2 and rotor 22 and upper bearing (metal) 32, cylinder 31 and lower bearing 33 and housing 1 inwall, the vibration of external rotor electric machine 2 and rotary part 3 can, by being passed to housing 1 with contacting of housing 1, further can not reduce the vibration of whole rotary compressor 100 thus.
According to an embodiment of the present utility model, shock absorber 4 can be located between rotary part 3 and lower shell body 15, particularly, shock absorber 4 can be located between cylinder 31 and lower shell body 15, shock absorber 4 also can be located between upper bearing (metal) 32 and lower shell body 15, shock absorber 4 can also be located between lower bearing 33 and lower shell body 15, can make like this rotary part 3 simpler with the linkage structure of housing 1, and moulding is more prone to.Certainly the utility model is not limited to this, and shock absorber 4 can also be located between rotary part 3 and main casing 13 or rotary part 3 and upper shell 14.
Below with reference to Fig. 1 and Fig. 2, describe according to an embodiment's of the utility model rotary compressor 100.As depicted in figs. 1 and 2, the radial dimension of cylinder 31 is greater than the radial dimension of upper bearing (metal) 32 and lower bearing 33, shock absorber 4 is located between cylinder 31 and lower shell body 15, that is to say, the diameter of cylinder 31 is greater than the maximum diameter of upper bearing (metal) 32, and the diameter of cylinder 31 is greater than the maximum diameter of lower bearing 33, like this cylinder 31 outwards the direction of cylinder 31 centers (away from) protrude from upper bearing (metal) 32 and lower bearing 33, lower shell body 15 is provided with upwardly extending guide pillar 5, guide pillar 5 is through the lower end surface of cylinder 31, particularly, in cylinder 31, be provided with the deep hole matching with guide pillar 5, guide pillar 5 can be inserted in deep hole, shock absorber 4 is set on guide pillar 5.By guide pillar 5 is set, can play positioning action to the installation of shock absorber 4, shock absorber 4 easier for installation, it is more accurate to locate.
Certainly, between guide pillar 5 and deep hole, should there be certain gap, in case rotary part 3 is rigidly connected with guide pillar 5, avoids the vibration of rotary part 3 or external rotor electric machine 2 to be passed to housing 1 by guide pillar 5.
In optional embodiments more of the present utility model, shock absorber 4 can be 6, spring or rubber parts 41,6 of its medi-springs also can comprise multiple, and for example spiral spring piece 42 or plate-shaped springs are 6, can effectively avoid thus the vibration of rotary part 3 or external rotor electric machine 2 to transmit to housing 1.The upper-end surface of 6 of its medi-springs or rubber parts 41 contacts with the lower end surface of cylinder 31, and the lower end surface of 6, spring or rubber parts 41 contacts with the upper surface of lower shell body 15, and shock absorber 4 can play supporting effect better to rotary part 3 thus.Wherein, number of turns that the rigidity of 6, spring can be by spring 6 footpaths or spring 6 etc. is determined.
In order to guarantee the stability of rotary compressor 100, guide pillar 5 quantity are at least no less than two, such as adopting three, four even more, a plurality of guide pillars 5 arrange around the axis interval of upper bearing (metal) 32, that is to say, shock absorber 4 can comprise that at least three and a plurality of shock absorber 4 arrange around the axis interval of upper bearing (metal) 32, a plurality of shock absorbers 4 and the corresponding setting one by one of a plurality of guide pillars 5.Can guarantee on the one hand thus the stability of housing 1 inside, can improve on the other hand the reliability of each guide pillar 5 and shock absorber 4, the pressure that each guide pillar 5 and each shock absorber 4 bear can obtain mean allocation.
Below with reference to Fig. 3, describe according to another embodiment's of the utility model rotary compressor 100.The present embodiment is different from the rotary compressor 100 in the first embodiment, and the radial dimension of cylinder 31 is less than the radial dimension of upper bearing (metal) 32, and shock absorber 4 is located between upper bearing (metal) 32 and lower shell body 15.That is to say, the diameter of upper bearing (metal) 32 is greater than the diameter of cylinder 31, and as shown in Figure 3, the diameter of upper bearing (metal) 32 is also greater than the diameter of lower bearing 33, shock absorber 4 can be located between upper bearing (metal) 32 and lower shell body 15 thus.As shown in Figure 3, lower shell body 15 is provided with upwardly extending guide pillar 5, and guide pillar 5 is through the lower end surface of upper bearing (metal) 32, and shock absorber 4 is set on guide pillar 5.Particularly, upper bearing (metal) 32 is provided with the deep hole matching with guide pillar 5, and guide pillar 5 extend in deep hole, and in like manner guide pillar 5 also should be avoided contacting with the deep hole in upper bearing (metal) 32.Wherein shock absorber 4 can be 6, spring or rubber parts 41, and the upper-end surface of shock absorber 4 contacts with the lower end surface of upper bearing (metal) 32, and the lower end surface of shock absorber 4 contacts with the upper surface of lower shell body 15.
In above-mentioned the first and second embodiments, there is a general character, exactly because whole rotary part 3 and external rotor electric machine 2 and housing 1 do not have and are rigidly connected, make thus rotary part 3 and external rotor electric machine 2 can swing with respect to housing 1 to a certain extent, so under this structure, rotary compressor 100 just needs particular design, the assembly reliability of the whole rotary compressor 100 of guarantee with external connecting pipe.
Below with reference to Fig. 3 and Fig. 4, to describe according to another embodiment's of the utility model rotary compressor 100, housing 1 is provided with suction port and relief opening, and suction port place is provided with suction tude 11, and exhaust ports is provided with outlet pipe 12.Wherein, at least one in suction tude 11 and outlet pipe 12 made by the double-deck butt-welded tube, and alternatively, at least one in suction tude 11 and outlet pipe 12 is configured to distorted shape, alternatively, at least one in suction tude 11 and outlet pipe 12, can be arranged with spring 6.
Particularly, according to the utility model embodiment's rotary compressor 100 inside, can be high-pressure atmosphere refrigerant environment, can be also low pressure atmosphere refrigerant environment.It in rotary compressor 100 is close, is high-pressure atmosphere refrigerant environment, suction tude 11 needs movable space, technician can adopt the double-deck butt-welded tube copper coating as the suction tude 11 of this rotary compressor 100 thus, suction tude 11 shapes can be multilayer meander configuration, and the outer further cover of suction tude 11 close winding spring 6 is for vibration damping.In the process that rotary part 3 and external rotor electric machine 2 are swinging, suction tude 11 could guarantee sealing with housing 1, can carry out again telescopic movable in a small amount, meets thus assembly reliability thus.
It in rotary compressor 100 is close, is low pressure atmosphere refrigerant environment, outlet pipe 12 needs movable space, technician can adopt the double-deck butt-welded tube copper coating as the outlet pipe 12 of this rotary compressor 100 thus, outlet pipe 12 shapes can be multilayer meander configuration, and the outer further cover of outlet pipe 12 close winding spring 6 is for vibration damping.In the process that rotary part 3 and external rotor electric machine 2 are swinging, outlet pipe 12 could guarantee sealing with housing 1, can carry out again telescopic movable in a small amount, meets thus assembly reliability thus.
According to other configuration examples of the utility model embodiment's rotary compressor 100, if the concrete structure of cylinder 31, upper bearing (metal) 32, lower bearing 33 etc. and operation are all known for those of ordinary skills, no longer describe in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a rotary compressor with external rotor electric machine, is characterized in that, comprising:
Housing, described housing is provided with suction port and relief opening, and described suction port place is provided with suction tude, and described exhaust ports is provided with outlet pipe;
External rotor electric machine, described external rotor electric machine is located in described housing and comprises stator and be rotatably located at the rotor of described stator outside; And
Rotary part, described rotary part is located in described housing and comprises cylinder, is located at the upper bearing (metal) of described cylinder upper end, and described stator is fixedly connected with described rotary part, between described rotary part and described housing, is provided with shock absorber.
2. the rotary compressor with external rotor electric machine according to claim 1, it is characterized in that, described housing comprise top and bottom all unlimited main casing, be located at the upper shell of described main casing upper end and be located at the lower shell body of described main casing lower end, described shock absorber is located between described rotary part and described lower shell body.
3. the rotary compressor with external rotor electric machine according to claim 2, is characterized in that, the radial dimension of described cylinder is greater than the radial dimension of described upper bearing (metal), and described shock absorber is located between described cylinder and described lower shell body.
4. the rotary compressor with external rotor electric machine according to claim 3, is characterized in that, described lower shell body is provided with upwardly extending guide pillar, and described guide pillar is through the lower end surface of described cylinder, and described shock absorber is set on described guide pillar.
5. the rotary compressor with external rotor electric machine according to claim 2, is characterized in that, the radial dimension of described cylinder is less than the radial dimension of described upper bearing (metal), and described shock absorber is located between described upper bearing (metal) and described lower shell body.
6. the rotary compressor with external rotor electric machine according to claim 5, is characterized in that, described lower shell body is provided with upwardly extending guide pillar, and described guide pillar is through the lower end surface of described upper bearing (metal), and described shock absorber is set on described guide pillar.
7. the rotary compressor with external rotor electric machine according to claim 1, is characterized in that, described shock absorber is rubber parts, spiral spring piece or plate-shaped springs part.
8. the rotary compressor with external rotor electric machine according to claim 1, is characterized in that, described shock absorber comprises at least three and arrange around the axis interval of described upper bearing (metal).
9. the rotary compressor with external rotor electric machine according to claim 1, it is characterized in that, at least one in described suction tude and described outlet pipe made by the double-deck butt-welded tube, and at least one in described suction tude and described outlet pipe is configured to distorted shape.
10. the rotary compressor with external rotor electric machine according to claim 1, is characterized in that, at least one in described suction tude and described outlet pipe, is arranged with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324101.XU CN203962393U (en) | 2014-06-17 | 2014-06-17 | The rotary compressor with external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324101.XU CN203962393U (en) | 2014-06-17 | 2014-06-17 | The rotary compressor with external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962393U true CN203962393U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324101.XU Expired - Fee Related CN203962393U (en) | 2014-06-17 | 2014-06-17 | The rotary compressor with external rotor electric machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203962393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201839A (en) * | 2014-06-17 | 2015-12-30 | 广东美芝制冷设备有限公司 | Rotary compressor provided with outer rotor type motor |
-
2014
- 2014-06-17 CN CN201420324101.XU patent/CN203962393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201839A (en) * | 2014-06-17 | 2015-12-30 | 广东美芝制冷设备有限公司 | Rotary compressor provided with outer rotor type motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20190617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |