CN208749564U - Main shaft, compressor and the air conditioner of compressor - Google Patents

Abstract

The utility model provides the main shaft, compressor and air conditioner of a kind of compressor.Wherein, the main shaft of compressor includes main shaft body, and the sliding vane groove and pressure discharging groove being connected are offered on the periphery wall of main shaft body.The utility model solves compressor in the prior art, and there are portion gas to be overly compressed, and reduces so as to cause the service life of compressor, the problem of the use reliability difference of compressor.

Description

Main shaft, compressor and the air conditioner of compressor

Technical field

The utility model relates to compressor manufacturing technical fields, main shaft, compressor in particular to a kind of compressor And air conditioner.

Background technique

Sliding-vane compressor in the prior art generally includes cylinder, main shaft and slide plate, and main shaft rotates in cylinder, and band Dynamic slide plate rotation, slide plate, will be in cylinders under the influence of centrifugal force by stretching out in sliding vane groove and abutting with the internal perisporium of cylinder Space is separated into multiple independent discharge chambes, and the volume of a part of discharge chambe reduces with the rotation of main shaft, thus to gas into Row compression is discharged after increasing the pressure of gas by exhaust outlet, and the volume of another part discharge chambe increases, to complete gas Sucking.

But the limitation of the structure due to sliding-vane compressor, can not in the entire exhaust phase arranging exhaust air mouth of compressor, After slide plate turns over exhaust outlet, closed exhaust tail chamber is formed between slide plate, the periphery wall of main shaft and the inner peripheral surface of cylinder, it is remaining A part of gas cannot exclude, cause the portion gas to be overly compressed, lead to the pressure of the close exhaust tail chamber side of slide plate Power increases and is much larger than the pressure of the other side of slide plate, to form biggish bias force on the side of slide plate, leads to slide plate Inordinate wear, influence the service life of compressor, meanwhile, which is overly compressed, and also results in slide plate head The pressure of exhaust tail chamber is greater than the pressure of the slide plate back pressure cavity of slide plate tail portion, and the internal perisporium of slide plate and cylinder is caused to be detached from, and influences The use reliability of compressor.

Utility model content

The main purpose of the utility model is to provide a kind of main shaft of compressor, compressor and air conditioners, existing to solve It is overly compressed with the presence of the compressor portion gas in technology, is reduced so as to cause the service life of compressor, compressor The problem of use reliability difference.

To achieve the goals above, one aspect according to the present utility model provides a kind of main shaft of compressor, main shaft Include: main shaft body, the sliding vane groove and pressure discharging groove being connected are offered on the periphery wall of main shaft body.

Further, sliding vane groove be it is multiple, pressure discharging groove be it is multiple, multiple pressure discharging grooves correspondingly with multiple sliding vane groove phases Connection.

Further, the pressure discharging groove and a sliding vane groove being connected form one group of exhaust unit, multiple groups exhaust unit Around being provided at circumferentially spaced for main shaft body.

Further, pressure discharging groove around main shaft body circumferentially extending, and in their extension direction have be connected to sliding vane groove Arrival end and along main shaft body rotation direction opposite direction far from the outlet end of sliding vane groove.

Further, pressure discharging groove is parallel to the sagittal plane of main shaft body；Or the sagittal plane of pressure discharging groove and main shaft body It is arranged in angle.

Further, pressure discharging groove is one, and a pressure discharging groove is located at the axial middle part of main shaft body；Or, pressure discharging groove is Multiple, multiple pressure discharging grooves are arranged along the axially spaced-apart of main shaft body.

Further, the depth of the radial direction in main shaft body of pressure discharging groove is more than or equal to 0.01mm and is less than or equal to 3mm。

Further, the width of the axial direction in main shaft body of pressure discharging groove is more than or equal to 0.1mm and is less than or equal to 3mm。

Another aspect according to the present utility model provides a kind of compressor, comprising: cylinder, cylinder have accommodating chamber；It is main Axis, main shaft are above-mentioned main shaft, main shaft and cylinder eccentric assembling；Slide plate, slide plate are mounted in the sliding vane groove of main shaft.

Further, compressor further includes two flanges, and flange is set on main shaft, and respectively with two end faces of cylinder It abuts, offers the air inlet and exhaust outlet being connected to accommodating chamber on flange.

Further, the air inlet and exhaust outlet being connected to accommodating chamber are offered on the side wall of cylinder.

Further, when main axis to excess compression position, the pressure discharging groove of main shaft is for being connected to exhaust tail chamber and low Press chamber.

Further, air inlet is connected to low pressure chamber.

Another aspect according to the present utility model, provides a kind of air conditioner, including above-mentioned compressor.

Using the technical solution of the utility model, the row pressure being connected with sliding vane groove is opened up on the periphery wall of main shaft body Slot, optimizes the structure of the main shaft of compressor, to improve the use of the compressor of the main shaft of the compressor using the application Service life and use reliability.Specifically, after the slide plate of compressor turns over exhaust outlet, i.e. main axis to excess compression position When, exhaust tail chamber can be connected to by pressure discharging groove with low pressure chamber, and the residual gas for keeping exhaust tail intracavitary is entered by pressure discharging groove In low pressure chamber, it is overly compressed to efficiently avoid the intracavitary remaining portion gas of exhaust tail, and then improve compression The service life of machine guarantees that slide plate abuts always with the internal perisporium of cylinder, improves the use reliability of compressor.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows a kind of decomposition texture schematic diagram of the compressor of alternative embodiment according to the present utility model；

Fig. 2 shows the partial structure diagrams after the assembly of the compressor of Fig. 1；

Fig. 3 shows the structural schematic diagram of the main shaft of the compressor of Fig. 1；

Fig. 4 shows the schematic cross-sectional view of the main shaft of Fig. 3.

Wherein, the above drawings include the following reference numerals:

100, cylinder；101, accommodating chamber；200, main shaft；10, main shaft body；11, sliding vane groove；12, pressure discharging groove；121, entrance End；122, outlet end；20, rod segment is connected；300, slide plate；400, flange；401, air inlet；402, exhaust outlet；500, exhaust tail Chamber；600, low pressure chamber；700, slide plate back pressure cavity；800, cover board.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as practical new to this Type and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.

In order to solve compressor in the prior art, there are portion gas to be overly compressed, so as to cause the use of compressor Service life reduction, the problem of the use reliability difference of compressor, the utility model provide the main shaft of compressor a kind of, compressor and Air conditioner.Wherein, compressor includes above-mentioned and following main shaft, and air conditioner includes above-mentioned and following compressor.

As shown in Figures 1 to 4, compressor includes cylinder 100, main shaft 200 and slide plate 300, and cylinder has accommodating chamber 101, Main shaft 200 is above-mentioned and following main shaft, main shaft 200 and 100 eccentric assembling of cylinder, wherein the main shaft body of main shaft 200 10 In in accommodating chamber 101, and the outer wall face of main shaft body 10 is abutted with the part internal perisporium of cylinder 100, and slide plate 300 is mounted on In the sliding vane groove 11 of main shaft 200, slide plate 300 with main shaft 200 rotate, slide plate 300 by sliding vane groove 11 stretch out and always with cylinder 100 internal perisporium abuts.

As depicted in figs. 1 and 2, compressor further includes two flanges 400, and flange 400 is set on main shaft 200, and respectively It is abutted with two end faces of cylinder 100, the air inlet 401 and exhaust outlet 402 being connected to accommodating chamber 101 is offered on flange 400. Fig. 1 and Fig. 2 shows alternative embodiment in, compressor is the compressor of axial air-breathing and exhaust, compression provided by the present application The main shaft of machine can be applied to the compressor of axial air-breathing and exhaust.

In the embodiment not shown of the application one, the air inlet being connected to accommodating chamber 101 is offered on the side wall of cylinder 100 401 and exhaust outlet 402.In the embodiment not shown of the application one, compressor is the compressor of radial suction and exhaust, the application The main shaft of the compressor of offer can be applied to the compressor of radial suction and exhaust.

As shown in Figure 1, compressor further includes cover board 800, cover board 800 is set on main shaft 200, and is supported with the surface of flange It connects.

As shown in Figures 2 and 3, main shaft 200 includes main shaft body 10 and two connecting rods positioned at 10 both ends of main shaft body The cross-sectional area of section 20, two connection rod segments 20 is respectively less than the cross-sectional area of main shaft body 10.Two connection rod segments 20 be used for Flange 400 assembles, and main shaft body 10 is located in the accommodating chamber 101 of cylinder 100 after compressor assembly.

As shown in Figures 2 and 3, the sliding vane groove 11 and pressure discharging groove 12 being connected are offered on the periphery wall of main shaft body 10. The application opens up the pressure discharging groove 12 being connected with sliding vane groove 11 on the periphery wall of main shaft body 10, optimizes the main shaft of compressor 200 structure, to improve the service life of the compressor of the main shaft 200 using the compressor of the application and using reliable Property.Specifically, after the slide plate of compressor 300 turns over exhaust outlet 402, i.e., when main shaft 200 turns to excess compression position, row Exhaust tail chamber 500 can be connected to by indent 12 with low pressure chamber 600, and the residual gas in exhaust tail chamber 500 is enable to pass through row pressure Slot 12 enters in low pressure chamber 600, so that the remaining portion gas efficiently avoided in exhaust tail chamber 500 is overly compressed, And then the service life of compressor is improved, guarantee that slide plate 300 abuts always with the internal perisporium of cylinder 100, improves compressor Use reliability.

As shown in Figures 2 and 3, sliding vane groove 11 be it is multiple, pressure discharging groove 12 be it is multiple, multiple pressure discharging grooves 12 correspondingly with Multiple sliding vane grooves 11 are connected.Correspondingly, compressor has multiple slide plates 300, is equipped with a slide plate at each sliding vane groove 11 300, multiple slide plates 300 are rotated with main shaft 200, and the accommodating chamber 101 in cylinder 100 is separated into multiple independent discharge chambes.

When main shaft 200 and 100 eccentric assembling of cylinder, abutted between main shaft body 10 and cylinder 100, when 200 turns of main shaft When moving to excess compression position, one in multiple slide plates 300 turns over exhaust outlet 402,300 turns of another slide plate adjacent thereto Cross the abutted position of main shaft body 10 Yu cylinder 100；Turn over the close abutted position of the slide plate 300 of exhaust outlet 402 side wall surface, Exhaust tail chamber 500 is surrounded between the internal perisporium of cylinder 100 and the outside wall surface of main shaft body 10, turns over the slide plate 300 of abutted position The side wall surface of close abutted position, low pressure chamber 600 is formed between the internal perisporium of cylinder 100 and the outside wall surface of main shaft body 10, Wherein, air inlet 401 is connected to low pressure chamber 600.

In this way, multiple slide plates 300 are rotated with main shaft 200, the volume of low pressure chamber 600 is gradually increased, and completes the sucking of gas, Correspondingly, the volume of exhaust tail chamber 500 is gradually reduced, to avoid causing excess compression to the residual gas in exhaust tail chamber 500, Exhaust tail chamber 500 is connected to by pressure discharging groove 12 with low pressure chamber 600, and the residual gas in exhaust tail chamber 500 can pass through pressure discharging groove 12 Into in low pressure chamber 600, avoids the pressure in exhaust tail chamber 500 from increasing, form biggish biasing on the side of slide plate 300 Power improves the service life of compressor to efficiently avoid the inordinate wear of slide plate 300, meanwhile, avoid slide plate 300 The pressure of the exhaust tail chamber 500 on head is greater than the pressure of the slide plate back pressure cavity 700 of 300 tail portion of slide plate, causes slide plate 300 and cylinder 100 internal perisporium is detached from, and influences the use reliability of compressor.

It, can be by the sliding vane groove 11 installed with the slide plate 300 when each slide plate 300 turns to excess compression position Exhaust tail chamber 500 is connected to by the pressure discharging groove 12 being connected with low pressure chamber 600.

As shown in figure 3, the pressure discharging groove 12 and a sliding vane groove 11 that are connected form one group of exhaust unit, multiple groups exhaust Unit is provided at circumferentially spaced around main shaft body 10.

As shown in Figures 2 and 3, pressure discharging groove 12 around main shaft body 10 circumferentially extending, and in their extension direction have with Sliding vane groove 11 be connected to arrival end 121 and along main shaft body 10 rotation direction opposite direction far from the outlet end of sliding vane groove 11 122.When main shaft 200 and cylinder 100 assemble, the installation direction of main shaft 200 is paid attention to, guarantee to turn to excessive pressure when main shaft 200 It condenses when setting, gas can be entered by the arrival end 121 of pressure discharging groove 12 in exhaust tail chamber 500, by the outlet end 122 of pressure discharging groove 12 It is expelled to low pressure chamber 600.

As shown in Fig. 2, pressure discharging groove 12 is parallel to the sagittal plane of main shaft body 10.In this way, being conducive to adding for pressure discharging groove 12 Work manufacture.

In the embodiment (not shown) of the application, pressure discharging groove 12 and the sagittal plane of main shaft body 10 are set in angle It sets.

In the embodiment (not shown) of the application, pressure discharging groove 12 is arranged in radian.

As shown in Fig. 2, pressure discharging groove 12 is one, a pressure discharging groove 12 is located at the axial middle part of main shaft body 10.In this way, Guarantee in the rotation process of main shaft 200, compressing indoor gas will not be leaked by pressure discharging groove 12.

In the embodiment (not shown) of the application, pressure discharging groove 12 be it is multiple, multiple pressure discharging grooves 12 are along main shaft body 10 axially spaced-apart setting.In this way, gas can pass through simultaneously in exhaust tail chamber 500 when the volume of exhaust tail chamber 500 is larger Multiple pressure discharging grooves 12 are expelled to low pressure chamber 600, and gas in exhaust tail chamber 500 is avoided to have little time the case where being discharged.

Optionally, multiple pressure discharging grooves 12 are arranged at equal intervals along the axial direction of main shaft body 10, in this way, being conducive to exhaust tail chamber Gas is smoothly smoothly expelled to low pressure chamber 600 by pressure discharging groove 12 in 500.Certainly, those skilled in the art understand that, can be with Axial unequal interval by multiple pressure discharging grooves 12 along main shaft body 10 is arranged.

In the specific embodiment of the application, pressure discharging groove 12 is 2, and 2 pressure discharging grooves 12 are arranged at equal intervals.

In another specific embodiment of the application, pressure discharging groove 12 is 3, and 3 pressure discharging grooves 12 are arranged at equal intervals.

As shown in figure 3, the depth δ of the radial direction in main shaft body 10 of pressure discharging groove 12 is more than or equal to 0.01mm and is less than Equal to 3mm.If the depth δ of the radial direction in main shaft body 10 of pressure discharging groove 12 is too small, will lead in exhaust tail chamber 500 Residual gas can not be expelled in low pressure chamber 600 by exhaust tail chamber 500 in time, if pressure discharging groove 12 in main shaft body 10 The depth δ of radial direction is excessive, will increase clearance.Show through many experiments when depth δ is in above-mentioned numberical range, it can Enough guarantee the pressure release effect of pressure discharging groove 12, and can be avoided increase clearance.

Optionally, the width of the axial direction in main shaft body 10 of pressure discharging groove 12 is more than or equal to 0.1mm and is less than or equal to 3mm。

As shown in figure 4, sliding vane groove 11 is around the equally circumferentially spaced of main shaft body 10, not according to 11 quantity of sliding vane groove Together, the radian angle θ between two adjacent sliding vane grooves 11 is also changed correspondingly.In the specific implementation shown in the application Fig. 1 to Fig. 4 In example, the quantity of sliding vane groove 11 is 3.

The length certain along the circumferentially extending of main shaft body 10 of pressure discharging groove 12, the arrival end 121 of pressure discharging groove 12 and outlet end Radian angle α is formed between 122, the numerical value of radian angle α and the setting position of exhaust outlet 402 are related, specifically, radian folder The numerical value of angle α is positively correlated with exhaust outlet 402 and the distance between main shaft 200 and the abutted position of cylinder 100.

Specifically, the setting position of exhaust outlet 402 needs to meet slide plate 300 when turning over the position of exhaust outlet 402, row Volume in gas tail chamber 500 is less than the 3% of total delivery space, and the setting position of exhaust outlet 402 is related with operating condition, when operating condition is got over Weight, i.e. when the pressure ratio of suction and discharge is bigger, exhaust outlet 402 is closer to the abutted position of main shaft 200 and cylinder 100, then pressure discharging groove 12 Arrival end 121 and outlet end 122 between formed radian angle α it is smaller.

As depicted in figs. 1 and 2, exhaust outlet 402 is multiple.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects: this reality With the structure of the novel main shaft for optimizing compressor, pressure discharging groove 12 is offered on main shaft body 10, is avoided in exhaust tail chamber 500 Hypertonia and cause slide plate 300 to bias, to avoid 300 inordinate wear of slide plate, avoid the interior of slide plate 300 and cylinder 100 Peripheral wall is detached from, and avoids hitting generation noise between slide plate 300 and cylinder 100 or sliding vane groove 11, by be promoted using the master The service life and use reliability of the compressor of axis.Correspondingly, it is able to ascend the air-conditioning using compressor provided by the present application The service life and use reliability of device, reduce the air conditioner uses noise.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with In attached drawing afterwards do not need that it is further discussed.

In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself Wide is inside and outside.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this The limitation of utility model protection range.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or their combination.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (12)

1. a kind of main shaft of compressor, which is characterized in that the main shaft includes:

Main shaft body (10) offers the sliding vane groove (11) and pressure discharging groove being connected on the periphery wall of the main shaft body (10) (12)。

2. main shaft according to claim 1, which is characterized in that the sliding vane groove (11) is multiple, the pressure discharging groove (12) To be multiple, the multiple pressure discharging groove (12) is connected with the multiple sliding vane groove (11) correspondingly.

3. main shaft according to claim 2, which is characterized in that described in one to be connected the pressure discharging groove (12) and one Sliding vane groove (11) forms one group of exhaust unit, exhaust unit being provided at circumferentially spaced around the main shaft body (10) described in multiple groups.

4. main shaft according to claim 1, which is characterized in that week of the pressure discharging groove (12) around the main shaft body (10) To extension, and in their extension direction with the arrival end (121) being connected to the sliding vane groove (11) and along the main shaft body (10) outlet end (122) of the opposite direction of rotation direction far from the sliding vane groove (11).

5. main shaft according to claim 1, which is characterized in that the pressure discharging groove (12) is parallel to the main shaft body (10) Sagittal plane；Or the pressure discharging groove (12) and the sagittal plane of the main shaft body (10) are arranged in angle.

6. main shaft according to claim 1, which is characterized in that

The pressure discharging groove (12) is one, and a pressure discharging groove (12) is located at the axial middle part of the main shaft body (10)； Or,

The pressure discharging groove (12) is multiple, axially spaced-apart setting of multiple pressure discharging grooves (12) along the main shaft body (10).

7. main shaft according to claim 1, which is characterized in that the pressure discharging groove (12) in the main shaft body (10) The depth of radial direction is more than or equal to 0.01mm and is less than or equal to 3mm.

8. main shaft according to claim 1, which is characterized in that the pressure discharging groove (12) in the main shaft body (10) The width of axial direction is more than or equal to 0.1mm and is less than or equal to 3mm.

9. a kind of compressor characterized by comprising

Cylinder (100), the cylinder have accommodating chamber (101)；

Main shaft (200), the main shaft (200) are main shaft, the main shaft (200) and institute described in any one of claims 1 to 7 State cylinder (100) eccentric assembling；

Slide plate (300), the slide plate (300) are mounted in the sliding vane groove (11) of the main shaft (200).

10. compressor according to claim 9, which is characterized in that the compressor further includes two flanges (400), institute It states flange (400) to be set on the main shaft (200), and is abutted respectively with two end faces of the cylinder (100), the flange (400) air inlet (401) and exhaust outlet (402) being connected to the accommodating chamber (101) are offered on.

11. compressor according to claim 10, which is characterized in that condense when the main shaft (200) turns to excessive pressure When setting, the pressure discharging groove (12) of the main shaft (200) is for being connected to exhaust tail chamber (500) and low pressure chamber (600).

12. a kind of air conditioner, which is characterized in that including compressor described in any one of claim 9 to 11.