CN204553225U - Compressor and air conditioner - Google Patents
Compressor and air conditioner Download PDFInfo
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- CN204553225U CN204553225U CN201520165059.6U CN201520165059U CN204553225U CN 204553225 U CN204553225 U CN 204553225U CN 201520165059 U CN201520165059 U CN 201520165059U CN 204553225 U CN204553225 U CN 204553225U
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- supporting base
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Abstract
The utility model provides a kind of compressor, comprise and be arranged on motor in housing and bent axle, the tail end of bent axle is provided with axle and alters restricting means, axle is altered restricting means and is comprised supporting base, bearing and pressing plate, supporting base is embedded in described housing, and bearing is arranged on supporting base, and supporting base is located on bent axle by described bearing housing, pressing plate is packed on supporting base, and pressing plate is for limiting moving axially of described bearing.Also relate to a kind of air conditioner.Compressor of the present utility model and air conditioner, the crankshaft back end of compressor is provided with axle and alters restricting means, the axial float problem that the bearing of restricting means and pressing plate effectively limit bent axle is altered by axle, eliminate the problem of compressor at some operating mode periodical noise vibration, axle alters restricting means structure simply, easy for installation, highly versatile, effective control bent axle Radial Deflection and crankshaft eccentric problem, ensure that compressor complete machine coaxality.
Description
Technical field
The utility model relates to refrigerating field, particularly relates to a kind of compressor and air conditioner.
Background technique
As shown in Figure 1, existing rotor-type compressor, comprises the main parts size such as lower flange 1, roller 2, cylinder 3, slide plate (not shown), bent axle 4, upper flange 5, rotor 6, stator 7 and housing 8.Be with dynamic crankshaft 4 to rotate by the rotor 6 of motor during rotor-type compressor running, and then drive roller 2 to do periodic rotational movements in cylinder 3.Roller 2, cylinder 3 and slide plate form crescent shape air aspiration cavity, exhaust cavity, along with the Periodic Rotating of roller 2 inhale, discharge chamber volume constantly changes, and finally completes the work cycle of air-breathing-compression-exhaust.
Usually, in the design of rotor-type compressor, between upper-end surface, crankshaft eccentric portion 40 and cylinder upper-end surface 30, there is certain height difference.Generally, the height of upper-end surface, crankshaft eccentric portion 40 is a little less than cylinder upper-end surface 30 height.Often can there is the axial up play of the bent axle 4 of compressor in rotor-type compressor running under some operating mode, easily occur that the situation of upper flange lower end surface 50 is clashed in upper-end surface, crankshaft eccentric portion 40, this situation is particularly common on Large Copacity frequency conversion rotor compressor.
The structural design of bent axle 4 axial float is not all effectively limited in current rotor-type compressor.Common practices is by electric machine rotor height difference reasonable in design, produces a downward active force restriction bent axle 4 axially up play.But many times this active force is difficult to assessment, cannot effectively limit bent axle axial float.If the design of this active force is unreasonable, then can increases the friction between bent axle 4 and upper and lower flange, be unfavorable for compressor operation.The main shaft axial float of bent axle 4 not only can cause generating period impact noise and vibration between compressor crank shaft eccentric part upper-end surface 40 and upper flange lower end surface 50, also makes Parts of Compressor reliability reduce.Meanwhile, the friction between upper-end surface, crankshaft eccentric portion 40 and upper flange lower end surface 50 can increase, and also can produce relative movement between bent axle 4 and roller inner circle.Therefore, the bent axle axial float of compressor can produce the unfavorable factor such as noise, vibration to a great extent, has a strong impact on the performance of compressor, refrigerating capacity and reliability simultaneously.
Model utility content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of compressor and air conditioner, the crankshaft back end of compressor is provided with axle and alters restricting means, alter by axle the axial float problem that the bearing of restricting means and pressing plate effectively limit bent axle, eliminate the problem of compressor at some operating mode periodical noise vibration.For achieving the above object, the technical solution of the utility model is as follows:
A kind of compressor, comprise and be arranged on motor in housing and bent axle, the tail end of described bent axle is provided with axle and alters restricting means, described axle is altered restricting means and is comprised supporting base, bearing and pressing plate, described supporting base is embedded in described housing, and described bearing is arranged on described supporting base, and described supporting base is located on described bent axle by described bearing housing, described pressing plate is packed on described supporting base, and described pressing plate is for limiting moving axially of described bearing.
Wherein in an embodiment, described supporting base comprises pedestal, described pedestal is ring tabular, the outer rim of described pedestal axially protrudes out to both sides along it respectively and forms upper edge and lower edge, described upper edge and described pedestal form circular groove, described lower edge and described pedestal form lower circular groove, annular boss is provided with one heart in described upper circular groove, the internal diameter of described annular boss is greater than the internal diameter of the center hole of described pedestal, and the interior circular hole of described annular boss and described pedestal form the accepting groove for holding described bearing.
Wherein in an embodiment, described pedestal is also provided with the through hole being communicated with described upper circular groove and described lower circular groove, described through hole is between described upper edge and described annular boss.
Wherein in an embodiment, described through hole is crescent shape hole, and the quantity of described through hole is two or more, and through hole described in two or more is evenly distributed on described pedestal, described through hole as exhaust passage or/and motor lead-out wire passage.
Wherein in an embodiment, described pressing plate is ring tabular, the external diameter of described pressing plate equals the external diameter of described annular boss, the internal diameter of the center hole of described pressing plate is greater than the internal diameter of described annular boss, described pressing plate is also provided with mounting hole, the upper-end surface of described annular boss is provided with the tapped hole corresponding with described mounting hole, thus described pressing plate can be fixed by screws on described annular boss.
Wherein in an embodiment, the degree of depth of described accepting groove is less than the width of described bearing.
Wherein in an embodiment, the upper-end surface of the stator of described lower edge and described motor abuts against, thus makes the stator of described motor can carry out support and spacing to described supporting base.
Wherein in an embodiment, at described housing in the radial direction, described supporting base is also provided with a welding hole, on described housing, also correspondence is provided with a welding hole, and described supporting base by spot-welded on the housing.
Wherein in an embodiment, described bearing is angular contact bearing or deep groove ball bearing.
Also relate to a kind of air conditioner, comprise the described compressor of above-mentioned arbitrary technological scheme.
The beneficial effects of the utility model are:
Compressor of the present utility model and air conditioner, the crankshaft back end of compressor is provided with axle and alters restricting means, the axial float problem that the bearing of restricting means and pressing plate effectively limit bent axle is altered by axle, eliminate the problem of compressor at some operating mode periodical noise vibration, axle alters restricting means structure simply, easy for installation, highly versatile, effective control bent axle Radial Deflection and crankshaft eccentric problem, ensure that compressor complete machine coaxality; To the optimization of compressor, further ensure the performance of compressor and refrigerating capacity and improve the reliability of Parts of Compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor-type compressor of prior art;
Fig. 2 is the structural scheme of mechanism of compressor one embodiment of the present utility model;
Fig. 3 is the schematic perspective view of supporting base shown in Fig. 2;
Fig. 4 is the schematic perspective view of pressing plate shown in Fig. 2.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, compressor of the present utility model and air conditioner are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 2 to Fig. 4, the compressor of the utility model one embodiment, comprises housing 8, and motor, lower flange 1, roller 2, cylinder 3, slide plate (not shown), bent axle 4, upper flange 5 and the axle be arranged in housing 8 alters restricting means.Axle alters the tail end that restricting means is arranged on bent axle 4, and axle is altered restricting means and comprised supporting base 9, bearing 11 and pressing plate 10.Supporting base 9 is embedded in housing 8, and bearing 11 is arranged on supporting base 9.Supporting base 9 is set on bent axle 4 by bearing 11, and pressing plate 10 is packed on supporting base 9, and pressing plate 10 is for limiting moving axially of bearing 11.Wherein, motor comprises rotor 6 and stator 7.Bearing 11 preferred angle contact bearing or deep groove ball bearing.
At housing 8 in the radial direction, supporting base 9 is also provided with first welding hole 96, on housing 8, also correspondence is provided with second point welding hole 80, supporting base 9 by spot-welded on housing 8.Supporting base 9 cylindrical is provided with first welding hole 96, conveniently utilizes spot welding to be fixedly welded on housing 8.
As a kind of embodiment, supporting base 9 comprises pedestal 97, and pedestal 97 is ring tabular.The outer rim of pedestal 97 axially protrudes out to both sides along it respectively and forms upper edge 91 and lower edge 92, and upper edge 91 and pedestal 97 form circular groove, and lower edge 92 and pedestal 97 form lower circular groove.
Be provided with annular boss 94 with one heart in described upper circular groove, the internal diameter of annular boss 94 is greater than the internal diameter of the center hole of pedestal 97, and the interior circular hole of annular boss 94 and pedestal 97 form the accepting groove 90 for holding bearing 11.Preferably, the degree of depth of accepting groove 90 is less than the width of bearing 11, thus it is after 90s higher than annular boss 94 to make bearing 11 put into accepting groove.Preferably, pedestal 97, upper edge 91, lower edge 92 and annular boss 94 are one-body molded.
Pedestal 97 is provided with certain thickness annular boss 94, and annular boss 94 inner circle depth ratio angular contact bearing height is slightly low, so that pressing plate 10 compresses angular contact bearing.The upper-end surface of annular boss 94 is provided with some tapped holes 95.
Wherein, lower edge 92 abuts against with the stator upper-end surface 70 of the stator 7 of motor, thus makes the stator 7 of described motor can carry out support and spacing to supporting base 9.Be provided with upper edge 91 and lower edge 92 at pedestal 97, the lower edge 92 of pedestal 97 extends to the stator iron core upper end surface of motor, to facilitate the location of supporting base 9 and to install aligning.Upper edge 91 and lower edge 92 are set, are equivalent to upper edge 91, between lower edge 92 and annular boss 94, part is emptied, to save material.
Preferably, pedestal 97 is also provided with the through hole 93 being communicated with described upper circular groove and described lower circular groove, through hole 93 is between upper edge 91 and annular boss 94.Through hole 93 is crescent shape hole or arcuate socket, and the quantity of through hole 93 is two or more, and two or more through hole 93 is evenly distributed on pedestal 97.Through hole 93 as exhaust passage or/and motor lead-out wire passage.In Fig. 3, the quantity of through hole 93 is three.Supporting base 9 intermediate portion empties into some crescent shape through holes (passage), the line excessively of easy to exhaust and motor lead-out wire.
As a kind of embodiment, as shown in Figure 4, pressing plate 10 is ring tabular, and the external diameter of pressing plate 10 equals the external diameter of annular boss 94, and namely the diameter of the cylindrical 102 of pressing plate 10 equals the external diameter of annular boss 94; The internal diameter of the center hole 100 of pressing plate 10 is greater than the internal diameter of annular boss 94, and the internal diameter of the center hole 100 of pressing plate 10 is the diameter of inner circle 103.
Pressing plate 10 is also provided with mounting hole 101, and mounting hole 101 is corresponding with the tapped hole 95 that the upper-end surface of annular boss 94 is arranged, thus pressing plate 10 can be fixed on annular boss 94 by screw 12.Wash in a pan empty circular in the middle of pressing plate 10, save material.The cylindrical 102 of pressing plate is in the same size with the cylindrical of annular boss 94, and the inner circle 103 of pressing plate is slightly larger than the inner circle of annular boss 94, so that pressing plate 10 entirety compresses angular contact bearing.
Also relate to a kind of air conditioner, comprise the described compressor of above-mentioned arbitrary technological scheme.Air conditioner is prior art except above-mentioned compressor, repeats no more herein.Air conditioner also achieves the Advantageous Effects the same with above-mentioned compressor.
The compressor of above embodiment and air conditioner, the crankshaft back end of compressor is provided with axle and alters restricting means, the axial float problem that the bearing of restricting means and pressing plate effectively limit bent axle is altered by axle, eliminate the problem of compressor at some operating mode periodical noise vibration, axle alters restricting means structure simply, easy for installation, highly versatile, effective control bent axle Radial Deflection and crankshaft eccentric problem, ensure that compressor complete machine coaxality.To the optimization of compressor, further ensure the performance of compressor and refrigerating capacity and improve the reliability of Parts of Compressor.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a compressor, it is characterized in that, comprise and be arranged on motor in housing (8) and bent axle (4), the tail end of described bent axle (4) is provided with axle and alters restricting means, described axle is altered restricting means and is comprised supporting base (9), bearing (11) and pressing plate (10), described supporting base (9) is embedded in described housing (8), described bearing (11) is arranged on described supporting base (9), described supporting base (9) is set on described bent axle (4) by described bearing (11), described pressing plate (10) is packed on described supporting base (9), described pressing plate (10) is for limiting moving axially of described bearing (11).
2. compressor according to claim 1, it is characterized in that, described supporting base (9) comprises pedestal (97), described pedestal (97) is ring tabular, the outer rim of described pedestal (97) axially protrudes out to both sides along it respectively and forms upper edge (91) and lower edge (92), described upper edge (91) and circular groove in described pedestal (97) formation, described lower edge (92) and described pedestal (97) form lower circular groove, annular boss (94) is provided with one heart in described upper circular groove, the internal diameter of described annular boss (94) is greater than the internal diameter of the center hole of described pedestal (97), the interior circular hole of described annular boss (94) and described pedestal (97) form the accepting groove (90) for holding described bearing (11).
3. compressor according to claim 2, it is characterized in that, described pedestal (97) is also provided with the through hole (93) being communicated with described upper circular groove and described lower circular groove, described through hole (93) is positioned between described upper edge (91) and described annular boss (94).
4. compressor according to claim 3, it is characterized in that, described through hole (93) is crescent shape hole, the quantity of described through hole (93) is two or more, through hole described in two or more (93) is evenly distributed on described pedestal (97), described through hole (93) as exhaust passage or/and motor lead-out wire passage.
5. compressor according to claim 2, it is characterized in that, described pressing plate (10) is ring tabular, the external diameter of described pressing plate (10) equals the external diameter of described annular boss (94), the internal diameter of the center hole (100) of described pressing plate (10) is greater than the internal diameter of described annular boss (94), described pressing plate (10) is also provided with mounting hole (101), the upper-end surface of described annular boss (94) is provided with the tapped hole (95) corresponding with described mounting hole (101), thus described pressing plate (10) can be fixed by screws on described annular boss (94).
6. the compressor according to any one of claim 2-5, is characterized in that, the degree of depth of described accepting groove (90) is less than the width of described bearing (11).
7. the compressor according to any one of claim 2-5, it is characterized in that, the upper-end surface of the stator (7) of described lower edge (92) and described motor abuts against, thus makes the stator of described motor (7) can carry out support and spacing to described supporting base (9).
8. the compressor according to any one of claim 1-5, it is characterized in that, at described housing (8) in the radial direction, described supporting base (9) is also provided with a welding hole (80), on described housing (8), also correspondence is provided with a welding hole (80), described supporting base (9) by spot-welded on described housing (8).
9. the compressor according to any one of claim 1-5, is characterized in that, described bearing (11) is angular contact bearing or deep groove ball bearing.
10. an air conditioner, is characterized in that, comprises the compressor described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165059.6U CN204553225U (en) | 2015-03-23 | 2015-03-23 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165059.6U CN204553225U (en) | 2015-03-23 | 2015-03-23 | Compressor and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN204553225U true CN204553225U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165059.6U Active CN204553225U (en) | 2015-03-23 | 2015-03-23 | Compressor and air conditioner |
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| CN (1) | CN204553225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201850A (en) * | 2015-10-26 | 2015-12-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN106151042A (en) * | 2015-03-23 | 2016-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air-conditioner |
-
2015
- 2015-03-23 CN CN201520165059.6U patent/CN204553225U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151042A (en) * | 2015-03-23 | 2016-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air-conditioner |
| CN106151042B (en) * | 2015-03-23 | 2018-10-02 | 珠海格力电器股份有限公司 | Compressor and air conditioner |
| CN105201850A (en) * | 2015-10-26 | 2015-12-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN105201850B (en) * | 2015-10-26 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |