CN104929934A - Rotary compressor - Google Patents
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- CN104929934A CN104929934A CN201510280682.0A CN201510280682A CN104929934A CN 104929934 A CN104929934 A CN 104929934A CN 201510280682 A CN201510280682 A CN 201510280682A CN 104929934 A CN104929934 A CN 104929934A
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Abstract
The invention discloses a rotary compressor. The rotary compressor comprises a casing and a compression mechanism, wherein the compression mechanism comprises a cylinder having a cylinder hole penetrating through the height along the center axis, an upper bearing arranged at the upper end of the cylinder, and a lower bearing arranged at the lower end of the cylinder, wherein the inner wall of the cylinder hole, the upper bearing and the lower bearing define a cylinder cavity for accommodating a piston; the cylinder is provided with an intake port and an exhaust port communicated with the cylinder cavity; an exhaust cavity is formed in the cylinder, and is communicated with the internal of the casing or the external of the casing; and a communicating channel is formed in the compression mechanism, and is used for communicating the exhaust port with the exhaust cavity. As the exhaust cavity is formed in the cylinder of the rotary compressor, the compressor is simple and compact in structure and excellent in performance.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of rotary compressor.
Background technique
In correlation technique, the cold media air of the High Temperature High Pressure that rotary compressor is discharged from the compression chamber of cylinder can directly be discharged in compressor housing by the exhaust passage of upper bearing (metal), can cause that temperature in compressor housing is higher has impact to motor and refrigeration oil reliability like this.
In order to solve the problem, the cold media air of the High Temperature High Pressure that the compression chamber from cylinder can be discharged by some compressor arrangement is discharged in the cavity in metal (upper, but pump body structure can be caused so huge, and the weight of compressor is large, and manufacture difficulty is high.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention needs to propose a kind of rotary compressor, exhaust cavity is provided with in the cylinder of this rotary compressor, the cold media air of High Temperature High Pressure in background technique can be solved and be discharged to the impact of compressor on motor and refrigeration oil, and compressor arrangement can be made simply compact, performance is good.
According to the rotary compressor of the embodiment of the present invention, comprising: casing; Compressing mechanism, described compressing mechanism is located in described casing, and described compressing mechanism comprises: cylinder, and described cylinder has the cylinder-bore running through its height along its central axis; Upper bearing (metal), described upper bearing (metal) is located at the upper end of described cylinder; Lower bearing, described lower bearing is located at the lower end of described cylinder, the inwall of described cylinder-bore, described upper bearing (metal) and described lower bearing limit the cylinder chamber for holding piston jointly, described cylinder is provided with the intakeport and relief opening that are communicated with described cylinder chamber, also exhaust cavity is provided with in described cylinder, the inside of described exhaust cavity and described casing or the ft connection of described casing, be provided with communicating passage in wherein said compressing mechanism, described communicating passage is for being communicated with described relief opening and described exhaust cavity.
Exhaust cavity is provided with according in the cylinder of the rotary compressor of the embodiment of the present invention, the cold media air of High Temperature High Pressure in background technique can be solved and be discharged to the impact of compressor on motor and refrigeration oil, and compressor arrangement can be made simply compact, performance is good.
In addition, also following additional technical feature can be had according to rotary compressor of the present invention:
According to one embodiment of present invention, described cylinder is provided with the through slot running through its height, the lower end of through slot described in the upper end of through slot described in described upper bearing (metal) capping and described lower bearing capping, described upper bearing (metal), limits described exhaust cavity between described lower bearing and the inwall of described through slot jointly.
According to one embodiment of present invention, described through slot is around the setting at least partially of described cylinder chamber circumference.
According to one embodiment of present invention, be provided with at least one stiffening rib in described through slot, described stiffening rib is roughly arranged along the radial direction of described cylinder, and described stiffening rib is configured to be communicated with for the described through slot of described stiffening rib both sides.
According to one embodiment of present invention, the sidewall of described cylinder is provided with the exhaust passage be communicated with described exhaust cavity, and the sidewall of described casing is provided with casing through hole, and described exhaust passage is relative with described casing through hole and be communicated with.
According to one embodiment of present invention, described upper bearing (metal) is provided with and runs through its height and the exhaust hole be communicated with described exhaust cavity, and described exhaust hole is communicated with the inside of described casing.
According to one embodiment of present invention, described communicating passage is located on described upper bearing (metal) and/or described lower bearing.
According to one embodiment of present invention, described upper bearing (metal) is provided with: the upper through hole vertically arranged, and described upper through hole is communicated with the described relief opening on described cylinder; Have the upper receiving cavity of predetermined volume, described upper receiving cavity is communicated with described upper through hole; The upper intercommunicating pore be obliquely installed, the axis of described upper intercommunicating pore is obliquely installed relative to vertical direction, and described upper intercommunicating pore is for being communicated with described upper receiving cavity and described exhaust cavity; Wherein said upper through hole, described upper receiving cavity and described upper intercommunicating pore form described communicating passage.
According to one embodiment of present invention, described lower bearing is provided with: the lower through-hole vertically arranged, and described lower through-hole is communicated with the relief opening on described cylinder; Have the lower receiving cavity of predetermined volume, described lower receiving cavity is communicated with described lower through-hole; The lower intercommunicating pore be obliquely installed, the axis of described lower intercommunicating pore is obliquely installed relative to vertical direction, and described lower intercommunicating pore is for being communicated with described lower receiving cavity and described exhaust cavity; Wherein said lower through-hole, described lower receiving cavity and described lower intercommunicating pore form described communicating passage.
According to one embodiment of present invention, described communicating passage is located in described cylinder.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of rotary compressor according to an embodiment of the invention;
Fig. 2 is the structural representation of the compressing mechanism of the rotary compressor shown in Fig. 1;
Fig. 3 is the structural representation of rotary compressor in accordance with another embodiment of the present invention;
Fig. 4 is the structural representation of the compressing mechanism of the rotary compressor shown in Fig. 3;
Fig. 5 is the structural representation of cylinder according to an embodiment of the invention;
Fig. 6 is the structural representation of cylinder in accordance with another embodiment of the present invention;
Fig. 7 is the structural representation of the cylinder according to another embodiment of the present invention;
Fig. 8 is the structural representation of upper bearing (metal) according to an embodiment of the invention;
Fig. 9 is the structural representation of lower bearing according to an embodiment of the invention.
Reference character:
Rotary compressor 100;
Casing 1; Sucking pipe 11; Outlet pipe 12;
Compressing mechanism 2;
Cylinder 21; Cylinder-bore 211; Cylinder chamber 212; Intakeport 213; Relief opening 214; Exhaust cavity 215; Through slot 216; Stiffening rib 217; Exhaust passage 218; Vane slot 219;
Upper bearing (metal) 22; Exhaust hole 221; Upper through hole 222; Upper receiving cavity 223; Upper intercommunicating pore 224;
Lower bearing 23; Lower through-hole 232; Lower receiving cavity 233; Lower intercommunicating pore 234;
Communicating passage 24; Piston 25;
Gas-liquid separation device 3.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can 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, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Below with reference to Fig. 1-Fig. 9, the rotary compressor 100 according to the embodiment of the present invention is described.
As shown in Fig. 1-Fig. 9, according to the rotary compressor 100 of the embodiment of the present invention, comprising: casing 1 and compressing mechanism 2.Particularly, compressing mechanism 2 is located in casing 1, and compressing mechanism 2 comprises: cylinder 21, upper bearing (metal) 22 and lower bearing 23, and upper bearing (metal) 22 is located at the upper end of cylinder 21, and lower bearing 23 is located at the lower end of cylinder 21.
Cylinder 21 has the cylinder-bore 211, the central axis of cylinder-bore 211 and the central axes of cylinder 21 that run through its height (above-below direction in " highly " i.e. of the present invention accompanying drawing 1-Fig. 4) along its central axis.The inwall of cylinder-bore 211, upper bearing (metal) 22 and lower bearing 23 limit the cylinder chamber 212 for holding piston 25 jointly.Known, be provided with vane slot 219 in cylinder 21, in vane slot 219, be provided with slide plate, piston 25 is in cylinder chamber 212 during eccentric rotary, the free end of slide plate is only against on the outer wall of piston 25 all the time, and thus, cylinder chamber 212 is separated into air aspiration cavity and compression chamber by piston 25 or slide plate.Cylinder 21 is provided with the intakeport 213 and relief opening 214 that are communicated with cylinder chamber 212, and particularly, intakeport 213 is communicated with air aspiration cavity, and relief opening 214 is communicated with compression chamber.
Wherein, in an embodiment of the present invention, be provided with exhaust cavity 215 in cylinder 21, exhaust cavity 215 and the inside of casing 1 or the ft connection of casing 1, be wherein provided with communicating passage 24 in compressing mechanism 2, communicating passage 24 is for being communicated with relief opening 214 and exhaust cavity 215.
Below with reference to the accompanying drawings the flow path of refrigerant in rotary compressor 100 described:
The refrigerant of rotary compressor 100 outside enters in air aspiration cavity, by the high speed rotating of piston 25 in cylinder chamber 212, cold media air progresses in compression chamber and compresses, thus becomes the cold media air of High Temperature High Pressure, finally discharges cylinder 21 from relief opening 214 again.Owing to being provided with exhaust cavity 215 according in the cylinder 21 of the embodiment of the present invention, and communicating passage 24 is for being communicated with relief opening 214 and exhaust cavity 215, thus the cold media air of High Temperature High Pressure enters into the exhaust cavity 215 in cylinder 21 via communicating passage 24, the cold media air of exhaust cavity 215 pairs of High Temperature High Pressure plays certain buffer function, thus can reduce the operation noise of whole rotary compressor 100.And by arranging exhaust cavity 215, the inwall of exhaust cavity 215 can be used for refrigeration oil to condense, and also helps the effect of the Oil-gas Separation of cold media air like this.
Wherein exhaust cavity 215 can with the ft connection of the inside of casing 1 or casing 1, when exhaust cavity 215 is communicated with the inside of casing 1, the cold media air of the High Temperature High Pressure in exhaust cavity 215, first the inside of casing 1 is discharged to, again via casing 1 top outlet pipe 12 discharged to rotary compressor 100 outside thus participate in the circulation of refrigeration system, owing to being provided with exhaust cavity 215 in cylinder 21, pass through for the structure of cavity is set in metal (upper 23 relative in background technique, rotary compressor 100 simple and compact for structure, with low cost; When ft connection with casing 1 of exhaust cavity 215, the cold media air of the High Temperature High Pressure in exhaust cavity 215 directly can be discharged to the outside of rotary compressor 100 without the inner space of casing 1, and then participate in the circulation of refrigeration system, housing 1 is directly discharged to outside from exhaust cavity 215, such cold media air is without the motor of the inside of housing 1, the gas reducing High Temperature High Pressure thus impacts motor and refrigeration oil, thus can improve the reliability of motor and refrigeration oil.
To sum up, be provided with exhaust cavity 215 according in the cylinder 21 of the rotary compressor 100 of the embodiment of the present invention, compressor arrangement can be made simply compact, and performance is good, and the operation noise of rotary compressor 100 is low.
It should be noted that, when exhaust cavity 215 is communicated with the inside of casing 1, outside cold media air after being located at the gas-liquid separation of the gas-liquid separation device 3 of casing 1 outside, can flowing to the intakeport 213 of cylinder 21, and then enters in cylinder chamber 212 from sucking pipe 11.When exhaust cavity 215 directly and the ft connection of casing 1 time, the outside of casing 1 can not arrange gas-liquid separation device 3, the housing 1 that cold media air directly can enter into rotary compressor 100 is inner, because the exhaust of cylinder 21 is without housing 1 inner space, therefore the inner space of housing 1 is the environment of low-temp low-pressure, housing 1 can as vapor-liquid separating structure, and cold media air can enter in cylinder chamber 212 from the intakeport 213 of cylinder 21.
The structure of cylinder 21 is according to an embodiment of the invention described below with reference to Fig. 1-Fig. 7.As shown in Fig. 1-Fig. 7, cylinder 21 can be provided with the through slot 216 running through its height, alternatively, the top view shapes of through slot 216 can be arbitrary, in one embodiment of the invention, as shown in Figure 5-Figure 7, the plan view of through slot 216 be roughly arc and through slot 216 around the setting at least partially of cylinder chamber 212 circumference, wherein through slot 216 is not communicated with the intakeport 213 of cylinder 21.The upper end of upper bearing (metal) 22 capping through slot 216 and the lower end of lower bearing 23 capping through slot 216, upper bearing (metal) 22, limit exhaust cavity 215 between lower bearing 23 and the inwall of through slot 216 jointly.That is, upper bearing (metal) 22 is for sealing the upper end of through slot 216, and lower bearing 23, for sealing the lower end of through slot 216, can make exhaust cavity 215 form a cavity of relative closure thus, avoid unnecessary Leakage Gas.And such cylinder 21 structure is simple, exhaust cavity 215 easily manufactures, the compact structure of compressing mechanism 2.
Preferably, as shown in Figure 5-Figure 7, at least one stiffening rib 217 can be provided with in through slot 216, stiffening rib 217 can roughly be arranged along the radial direction of cylinder 21, because through slot 216 has certain size in radial directions, and through slot 216 area occupied on the end face of cylinder 21 is larger, therefore can improve the structural strength of cylinder 21 by arranging stiffening rib 217, can ensure that the cold media air of high pressure enters into and in exhaust cavity 215, overvoltage effect produced to the inwall of exhaust cavity 215 and make the wall of cylinder 21 produce distortion.
Wherein, stiffening rib 217 is configured to be communicated with for the through slot 216 of stiffening rib 217 both sides, that is, set stiffening rib 217 pairs of through slots 216 serve the effect at interval, in order to make cold media air can flow in whole through slot 216, stiffening rib 217 can be configured such that the through slot 216 of its both sides is communicated with.In an example of the present invention, stiffening rib 217 can arrange stiffening rib through hole, such cold media air can be communicated with by stiffening rib through hole the through slot 216 being positioned at stiffening rib 217 both sides; Or in another example of the present invention, size in the short transverse of stiffening rib 217 can be arranged to the size be less than in the short transverse of through slot 216, such refrigerant can be communicated with the through slot 216 being positioned at stiffening rib 217 both sides by the gap between the top of stiffening rib 217 and the lower end surface of upper bearing (metal) 22, or refrigerant can be communicated with the through slot 216 being positioned at stiffening rib 217 both sides by the gap between the bottom of stiffening rib 217 and the upper-end surface of lower bearing 23.The utilization ratio of through slot 216 can be improved thus, improve the diffusion cushioning effect of exhaust cavity 215 pairs of high pressure refrigerant gas.
Advantageously, this stiffening rib 217 can be multiple and spaced apartly be arranged in through slot 216, can improve the structural strength of cylinder 21 thus further, and cylinder 21 can be made stressed more even in the course of the work.
As depicted in figs. 1 and 2 according to one embodiment of present invention, the ft connection of exhaust cavity 215 and casing 1.Particularly, as depicted in figs. 1 and 2, the sidewall of cylinder 21 is provided with the exhaust passage 218 be communicated with exhaust cavity 215, on the inwall that the two ends of exhaust passage 218 are respectively formed at exhaust cavity 215 and on the outer side wall of cylinder 21, the sidewall of casing 1 is provided with casing through hole, exhaust passage 218 is relative with casing through hole and be communicated with, by exhaust passage 218 and casing through hole are oppositely arranged the connectivity structure that can simplify between exhaust passage 218 and casing through hole.
As shown in Figure 3 and Figure 4 according to another embodiment of the invention, exhaust cavity 215 is communicated with the inside of casing 1.Alternatively, exhaust cavity 215 can be communicated with the inside of casing 1 by upper bearing (metal) 22, particularly, as shown in Figure 3 and Figure 4, upper bearing (metal) 22 can be provided with and run through its height and the exhaust hole 221 be communicated with exhaust cavity 215, exhaust hole 221 is communicated with the inside of casing 1.This structure is simple, easily realizes.Further, the cold media air being drained into casing 1 inside can be expelled to the outside of rotary compressor 100 by the outlet pipe 12 at casing 1 top.
Communicating passage 24 according to the embodiment of the present invention is described below.Alternatively, communicating passage 24 can be located on upper bearing (metal) 22 and/or lower bearing 23.That is, communicating passage 24 can only be located on upper bearing (metal) 22, and communicating passage 24 can only be located on lower bearing 23, or communicating passage 24 can also be located on upper bearing (metal) 22 and lower bearing 23 simultaneously.In example wherein shown in Fig. 2 and Fig. 4, communicating passage 24 is arranged on upper bearing (metal) 22 and lower bearing 23 simultaneously.Below with reference to Fig. 2, Fig. 4, Fig. 8 and Fig. 9, specifically describe the structure of the communicating passage 24 be positioned on upper bearing (metal) 22 and lower bearing 23.
As shown in Fig. 2, Fig. 4 and Fig. 8, upper bearing (metal) 22 is provided with through hole 222, upper receiving cavity 223 and upper intercommunicating pore 224, wherein, upper through hole 222 is vertically arranged, upper through hole 222 is communicated with the relief opening 214 on cylinder 21, alternatively, upper through hole 222 in the vertical direction can be relative with the relief opening 214 of cylinder 21 and be communicated with.Upper receiving cavity 223 can have predetermined volume, and upper receiving cavity 223 is communicated with upper through hole 222, and upper receiving cavity 223 can play the effect cushioned the cold media air diffusion of High Temperature High Pressure.Upper intercommunicating pore 224 is for what be obliquely installed, and the axis namely going up intercommunicating pore 224 is obliquely installed relative to vertical direction, and upper intercommunicating pore 224 is for being communicated with upper receiving cavity 223 and exhaust cavity 215.Wherein go up through hole 222, upper receiving cavity 223 and upper intercommunicating pore 224 and form communicating passage 24.That is, from the cold media air of the High Temperature High Pressure that the relief opening 214 of cylinder 21 is discharged, enter in exhaust cavity 215 through upper through hole 222, upper receiving cavity 223 and upper intercommunicating pore 224 successively.Alternatively, the aperture of upper intercommunicating pore 224 is greater than the aperture of through hole 222.
Accordingly, as shown in Fig. 2, Fig. 4 and Fig. 9, lower bearing 23 is provided with lower through-hole 232, lower receiving cavity 233 and lower intercommunicating pore 234, wherein, lower through-hole 232 is vertically arranged, lower through-hole 232 is communicated with the relief opening 214 under cylinder 21, and alternatively, lower through-hole 232 in the vertical direction can be relative with the relief opening 214 of cylinder 21 and be communicated with.Lower receiving cavity 233 can have predetermined volume, and lower receiving cavity 233 is communicated with lower through-hole 232, and lower receiving cavity 233 can play the effect cushioned the cold media air diffusion of High Temperature High Pressure.Lower intercommunicating pore 234, for what be obliquely installed, namely descends the axis of intercommunicating pore 234 to be obliquely installed relative to vertical direction, and lower intercommunicating pore 234 is for being communicated with lower receiving cavity 233 and exhaust cavity 215.Wherein lower through-hole 232, lower receiving cavity 233 and lower intercommunicating pore 234 form communicating passage 24.That is, from the cold media air of the High Temperature High Pressure that the relief opening 214 of cylinder 21 is discharged, enter in exhaust cavity 215 through lower through-hole 232, lower receiving cavity 233 and lower intercommunicating pore 234 successively.Alternatively, the aperture of lower intercommunicating pore 234 is greater than the aperture of lower through-hole 232.
In embodiment as shown in Figure 7, according in the rotary compressor 100 of the embodiment of the present invention, communicating passage 24 can also be located in cylinder 21, particularly, the passage being directly communicated with relief opening 214 and exhaust cavity 215 is provided with in cylinder 21, the structure of communicating passage 24 can be made thus more simple, easily realize.
Be all known according to other configuration examples of the rotary compressor 100 of the embodiment of the present invention for those of ordinary skills as the concrete structure of cylinder 21, upper bearing (metal) 22, lower bearing 23 etc. and operation, no longer describe in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a rotary compressor, is characterized in that, comprising:
Casing;
Compressing mechanism, described compressing mechanism is located in described casing, and described compressing mechanism comprises:
Cylinder, described cylinder has the cylinder-bore running through its height along its central axis;
Upper bearing (metal), described upper bearing (metal) is located at the upper end of described cylinder;
Lower bearing, described lower bearing is located at the lower end of described cylinder, and the inwall of described cylinder-bore, described upper bearing (metal) and described lower bearing limit the cylinder chamber for holding piston jointly, and described cylinder is provided with the intakeport and relief opening that are communicated with described cylinder chamber,
Be provided with exhaust cavity in described cylinder, the inside of described exhaust cavity and described casing or the ft connection of described casing, be provided with communicating passage in wherein said compressing mechanism, and described communicating passage is for being communicated with described relief opening and described exhaust cavity.
2. rotary compressor according to claim 1, it is characterized in that, described cylinder is provided with the through slot running through its height, the lower end of through slot described in the upper end of through slot described in described upper bearing (metal) capping and described lower bearing capping, described upper bearing (metal), limits described exhaust cavity between described lower bearing and the inwall of described through slot jointly.
3. rotary compressor according to claim 2, is characterized in that, described through slot is around the setting at least partially of described cylinder chamber circumference.
4. rotary compressor according to claim 2, it is characterized in that, be provided with at least one stiffening rib in described through slot, described stiffening rib is roughly arranged along the radial direction of described cylinder, and described stiffening rib is configured to be communicated with for the described through slot of described stiffening rib both sides.
5. rotary compressor according to claim 1, is characterized in that, the sidewall of described cylinder is provided with the exhaust passage be communicated with described exhaust cavity, and the sidewall of described casing is provided with casing through hole, and described exhaust passage is relative with described casing through hole and be communicated with.
6. rotary compressor according to claim 1, is characterized in that, described upper bearing (metal) is provided with and runs through its height and the exhaust hole be communicated with described exhaust cavity, and described exhaust hole is communicated with the inside of described casing.
7. rotary compressor according to claim 1, is characterized in that, described communicating passage is located on described upper bearing (metal) and/or described lower bearing.
8. rotary compressor according to claim 7, is characterized in that, described upper bearing (metal) is provided with:
The upper through hole of vertical setting, described upper through hole is communicated with the described relief opening on described cylinder;
Have the upper receiving cavity of predetermined volume, described upper receiving cavity is communicated with described upper through hole;
The upper intercommunicating pore be obliquely installed, the axis of described upper intercommunicating pore is obliquely installed relative to vertical direction, and described upper intercommunicating pore is for being communicated with described upper receiving cavity and described exhaust cavity;
Wherein said upper through hole, described upper receiving cavity and described upper intercommunicating pore form described communicating passage.
9. rotary compressor according to claim 7, is characterized in that, described lower bearing is provided with:
The lower through-hole of vertical setting, described lower through-hole is communicated with the relief opening on described cylinder;
Have the lower receiving cavity of predetermined volume, described lower receiving cavity is communicated with described lower through-hole;
The lower intercommunicating pore be obliquely installed, the axis of described lower intercommunicating pore is obliquely installed relative to vertical direction, and described lower intercommunicating pore is for being communicated with described lower receiving cavity and described exhaust cavity;
Wherein said lower through-hole, described lower receiving cavity and described lower intercommunicating pore form described communicating passage.
10. rotary compressor according to claim 1, is characterized in that, described communicating passage is located in described cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510280682.0A CN104929934B (en) | 2015-05-27 | 2015-05-27 | Rotary compressor |
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| CN201510280682.0A CN104929934B (en) | 2015-05-27 | 2015-05-27 | Rotary compressor |
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| CN104929934A true CN104929934A (en) | 2015-09-23 |
| CN104929934B CN104929934B (en) | 2017-03-22 |
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Cited By (5)
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| CN107327402A (en) * | 2017-08-21 | 2017-11-07 | 西安庆安制冷设备股份有限公司 | A kind of rolling piston compressor and its pressure texture |
| CN107435622A (en) * | 2017-09-30 | 2017-12-05 | 广东美芝制冷设备有限公司 | Compression mechanism, compressor and refrigeration plant |
| CN115126696A (en) * | 2022-06-02 | 2022-09-30 | 广州市德善数控科技有限公司 | Compressor rotor, compressor pump body, compressor and temperature regulation system |
| WO2023098102A1 (en) * | 2021-11-30 | 2023-06-08 | 广州市德善数控科技有限公司 | Compressor rotor, compressor pump body, compressor, and temperature-regulating system |
| WO2023173638A1 (en) * | 2022-03-16 | 2023-09-21 | 广州市德善数控科技有限公司 | Cylinder, compressor, and cooling/heating system |
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| WO2023098102A1 (en) * | 2021-11-30 | 2023-06-08 | 广州市德善数控科技有限公司 | Compressor rotor, compressor pump body, compressor, and temperature-regulating system |
| WO2023173638A1 (en) * | 2022-03-16 | 2023-09-21 | 广州市德善数控科技有限公司 | Cylinder, compressor, and cooling/heating system |
| CN115126696A (en) * | 2022-06-02 | 2022-09-30 | 广州市德善数控科技有限公司 | Compressor rotor, compressor pump body, compressor and temperature regulation system |
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| CN104929934B (en) | 2017-03-22 |
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