CN217462551U - Rotor compressor and refrigeration equipment - Google Patents
Rotor compressor and refrigeration equipment Download PDFInfo
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- CN217462551U CN217462551U CN202221459768.1U CN202221459768U CN217462551U CN 217462551 U CN217462551 U CN 217462551U CN 202221459768 U CN202221459768 U CN 202221459768U CN 217462551 U CN217462551 U CN 217462551U
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Abstract
The application belongs to the technical field of compressor design, and particularly relates to a rotor compressor and refrigeration equipment. The rotor compressor includes: the compression cylinder is provided with an accommodating space, and the peripheral wall of the compression cylinder is provided with an input port, an output port and a sliding groove which are communicated with the accommodating space; the first bearing device is provided with an oil guide structure and an oil duct, the oil guide structure conveys oil to the oil duct, and the oil duct is communicated with the sliding chute; the crankshaft is provided with an oil conveying channel communicated with the oil guide structure; the crankshaft drives the rotor to rotate circularly, and the peripheral wall of the rotor is in circular contact with the inner wall surface of the accommodating space; the sliding block assembly comprises a sliding block, the sliding block is slidably assembled in the sliding groove, the sliding block extends into the accommodating space and isolates the input port and the output port, and the surface of the sliding block assembly covers the opening of the oil duct. The technical scheme of this application has been solved how to reduce slider friction and wear among the rotor compressor and how to prevent the gaseous refrigerant of high pressure in the compression chamber to the problem of low pressure chamber leakage.
Description
Technical Field
The application belongs to the technical field of compressor design, and particularly relates to a rotor compressor and refrigeration equipment.
Background
The existing rotor compressor comprises a cylinder, a rotor, a sliding block and a crankshaft, wherein the cylinder is provided with a sliding groove, and an air suction port and an air exhaust port which are positioned on two sides of the sliding groove, the sliding block is arranged in the sliding groove in a reciprocating sliding mode, the rotor is arranged in a cylinder cavity, the rotor can eccentrically rotate under the driving of the crankshaft, the cylinder cavity is defined by the rotor and the sliding block together to form an air suction cavity and a compression cavity, and gas in the compression cavity is output through the air exhaust port.
In the prior art, when the rotor compressor works, the sliding block reciprocates in the sliding groove of the cylinder, and friction exists between the upper end surface and the lower end surface of the sliding block and the upper surface and the lower surface of the compression cavity. In the running process of the rotor compressor, the lubricating between the lower end face of the sliding block and the lower surface of the compression cavity can ensure a sufficient lubricating effect due to a high oil level at the bottom of the compressor, but oil cannot be sufficiently supplied to the upper end face of the sliding block, so that the lubricating effect between the upper end face of the sliding block and the upper surface of the compression cavity is poor, and the friction and the abrasion are increased. In addition, in the running process of the rotor compressor, when the power of the compressor is increased, the lubricating oil between the upper end surface of the sliding block and the upper surface of the compression cavity is less, the thickness of an oil film is reduced, the leakage between the upper end surface of the sliding block and the upper surface of the compression cavity is increased, namely, high-pressure gas is leaked to a low-pressure cavity, the volumetric efficiency is reduced, the refrigerating capacity is reduced, and the efficiency of the compressor is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a rotor compressor and refrigeration equipment, and aims to solve the problems that how to reduce the friction and wear of a sliding block in the rotor compressor and how to prevent a high-pressure gaseous refrigerant in a compression cavity from leaking to a low-pressure cavity.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: a rotary compressor comprising:
the compression cylinder is provided with an accommodating space, an input port, an output port and a sliding groove which are communicated with the accommodating space are formed in the compression cylinder, and the sliding groove is positioned between the input port and the output port;
the first bearing device is fixedly arranged on the compression cylinder and provided with an oil guide structure and an oil passage, the oil guide structure is communicated with the oil passage, and the oil passage is communicated with the sliding groove;
the crankshaft is assembled on the first bearing device, an oil conveying channel is arranged on the crankshaft along the axial direction, and the oil conveying channel is communicated with the oil guide structure;
the crankshaft drives the rotor to rotate circularly in the direction from the input port to the output port, and the peripheral wall of the rotor is in circular contact with the inner wall surface of the accommodating space;
and the sliding block assembly comprises a sliding block, the sliding block is slidably assembled in the sliding groove, the sliding block extends into the accommodating space and is matched with the peripheral wall of the rotor to isolate the input port and the output port, and the surface of the sliding block facing the first bearing device covers the opening of the oil channel.
In one embodiment, an oil storage groove is formed on a side of the first bearing device, which faces away from the sliding block, the oil storage groove is communicated with the oil passage, and the oil guide structure is communicated with the oil storage groove.
In one embodiment, the oil storage tank is a strip-shaped tank, and the length extension direction of the oil storage tank is consistent with the reciprocating sliding direction of the sliding block; or, the oil storage groove is an arc-shaped groove which is bent around the axis of the first bearing device.
In one embodiment, the oil passage is a vertical oil passage, a hole axis of the oil passage is parallel to a central axis of the crankshaft, and the oil passage is arranged opposite to the sliding groove; or the oil duct is an inclined oil duct, and an included angle is formed between the hole axis of the oil duct and the central axis of the crankshaft; alternatively, the oil passage is a curved oil passage.
In one embodiment, the first bearing device includes a bearing main body and a bearing journal connected to the bearing main body, the bearing main body is installed in the compression cylinder, the bearing journal extends along a direction departing from the compression cylinder, the bearing journal is provided with a through hole for the crankshaft to pass through, the oil storage tank is arranged on one side of the bearing main body departing from the compression cylinder, the oil guide structure includes an oil outlet arranged in the bearing journal and penetrating to the through hole, and an oil guide groove arranged in an outer peripheral wall of the bearing journal and communicated with the oil outlet, and the oil guide groove is communicated with the oil storage tank.
In one embodiment, the hole wall of the through hole is provided with a spiral oil groove spirally arranged along the hole axis direction of the through hole, the spiral oil groove penetrates through one end face, far away from the bearing main body, of the bearing journal, and the oil outlet hole is communicated with the spiral oil groove.
In one embodiment, the diameter of the oil outlet hole is smaller than or equal to the groove width of the spiral oil groove.
In one embodiment, the oil outlet hole is provided in a portion of the bearing journal that is bisected in the axial direction thereof near the compression cylinder.
In one embodiment, the rotor compressor further comprises a second bearing device fixedly mounted on a side of the compression cylinder facing away from the first bearing device, and an end of the crankshaft that penetrates the accommodation space in a direction facing away from the first bearing device is fitted to the second bearing device.
In one embodiment, the wall of the reservoir is inclined from the end remote from the compression cylinder in the direction of the compression cylinder.
According to another aspect of the present invention, a refrigeration apparatus is provided. In particular, the refrigeration plant comprises a rotary compressor as previously described.
The embodiment of the application has at least the following beneficial effects:
will the embodiment of the utility model provides a roller type compressor uses in refrigeration plant, carries out compression work to the gaseous state refrigerant, carries out the moving in-process at the bent axle drive rotor, and the gaseous state refrigerant is by the input port by the suction accommodation space, then by the rotor compression. In the process that the rotor rotates along with the crankshaft, oil is extracted to the top of the crankshaft from the oil delivery channel, then the oil flows down along the outer peripheral wall of the crankshaft, the oil flows into the space between the outer peripheral wall of the crankshaft and the first bearing device under the action of gravity, then the oil flows to the oil duct from the oil guide structure of the first bearing device, and then the oil flows into the sliding groove from the oil duct and enters the space between the sliding block and the surface of the first bearing device, so that sufficient oil can be supplemented between the sliding block and the surface of the first bearing device, a good lubricating effect can be achieved between the sliding block and the surface of the first bearing device, and friction and abrasion between the sliding block and the surface of the first bearing device are reduced. And oil is filled between the sliding block and the surface of the first bearing device, so that good sealing is realized between the sliding block and the surface of the first bearing device through the oil, leakage between the sliding block and the surface of the first bearing device is prevented, high-pressure gaseous refrigerant in a compression cavity is prevented from leaking to a low-pressure cavity, the stability of the volumetric efficiency of the roller compressor is ensured, and the compression efficiency of the roller compressor is further ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a partial sectional view of a rotary compressor according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural view of the first bearing device in the rotor compressor according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a compression cylinder; 11. an accommodating space; 12. a chute;
20. a first bearing means; 201. a bearing body; 202. a bearing journal; 203. a through hole; 204. a helical oil groove; 21. an oil passage; 22. an oil storage tank; 23. an oil guiding structure; 231. an oil outlet hole; 232. an oil guide groove;
30. a crankshaft; 31. an eccentric shaft section; 32. an oil delivery passage;
40. a rotor;
50. a slider;
70. a second bearing means;
80. a sound deadening shell.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present application embodiments and are not to be construed as limiting the present application embodiments.
In the description of the embodiments of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the embodiments of the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the embodiments of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, a rotor compressor provided in an embodiment of the present invention includes a compression cylinder 10, a first bearing device 20, a crankshaft 30, a rotor 40, and a sliding block assembly (not labeled), wherein the compression cylinder 10 is provided with an accommodating space 11, an input port (not labeled), an output port (not labeled), and a sliding chute 12 are formed on an outer peripheral wall of the compression cylinder 10 and are communicated with the accommodating space 11, the sliding chute 12 is located between the input port and the output port, the first bearing device 20 is fixedly mounted on the compression cylinder 10 by a screw, so as to cover the accommodating space 11 tightly, the first bearing device 20 is provided with an oil guiding structure 23 and an oil passage 21, the oil guiding structure 23 conveys oil to the oil passage 21 (i.e., the oil guiding structure 23 is communicated with the oil passage 21), the oil passage 21 is communicated with the sliding chute 12, the crankshaft 30 is rotatably assembled to the first bearing device 20, the crankshaft 30 is provided with an eccentric shaft section 31, the eccentric shaft section 31 is located in the accommodating space 11, the crankshaft 30 is provided with an oil delivery channel 32 along the axial direction, the oil delivery channel 32 is communicated with the oil guide structure 23, the rotor 40 is sleeved on the eccentric shaft section 31, the eccentric shaft section 31 drives the rotor 40 to circularly rotate along the direction from the input port to the output port, the peripheral wall of the rotor 40 is circularly contacted with the inner wall surface of the accommodating space 11 (the rotor 40 is driven by the eccentric shaft section 31 to circularly rotate, and in the process of circular rotation, the peripheral wall of the rotor 40 is circularly contacted with the inner wall surface of the accommodating space 11), the slider assembly comprises a slider 50, the slider 50 is slidably assembled in the chute 12, the slider 50 extends into the accommodating space 11 and is matched with the peripheral wall of the rotor 40 to isolate the input port and the output port, so that the accommodating space 11 is divided into an air suction cavity and a compression cavity (the air suction cavity is communicated with the input port, a compression chamber communicates with an output port), and the slider assembly covers the opening of the oil passage 21 toward the surface of the first bearing means 20.
Will the embodiment of the utility model provides a roller type compressor uses in refrigeration plant, carries out compression work to the gaseous state refrigerant, carries out the moving in-process at bent axle 30 drive rotor 40, and the gaseous state refrigerant is by the input port by the suction accommodation space 11 in, compressed by rotor 40 then. During the rotation of the rotor 40 along with the eccentric shaft section 31 of the crankshaft 30, the oil is pumped from the oil delivery passage 32 to the top of the crankshaft 30, and then flows down along the outer peripheral wall of the crankshaft 30, and flows into between the outer peripheral wall of the crankshaft 30 and the first bearing device 20 under the action of gravity, and then flows from the oil guide structure 23 of the first bearing device 20 to the oil passage 21, and then flows into the sliding chute 12 from the oil passage 21 and enters between the sliding block 50 and the surface of the first bearing device 20, so that sufficient oil can be supplemented between the sliding block 50 and the surface of the first bearing device 20, thereby achieving good lubrication effect between the sliding block 50 and the surface of the first bearing device 20, and reducing the friction wear between the sliding block 50 and the surface of the first bearing device 20. In addition, oil is filled between the sliding block 50 and the surface of the first bearing device 20, so that good sealing is realized between the sliding block 50 and the surface of the first bearing device 20 through the oil, leakage between the sliding block 50 and the surface of the first bearing device is prevented, leakage of high-pressure gaseous refrigerant in a compression cavity to a low-pressure cavity is also prevented, the stability of the volumetric efficiency of the roller compressor is ensured, and the compression efficiency of the roller compressor is further ensured.
As shown in fig. 1, after the compression cylinder 10, the first bearing device 20, the crankshaft 30, the rotor 40 and the slider 50 are assembled, and the sound deadening housing 80 is mounted on the side of the first bearing device 20 away from the compression cylinder 10, a sound deadening chamber is formed between the sound deadening housing 80 and the first bearing device 20, and the output port communicates with the sound deadening chamber. In the process that the rotor compressor compresses the gaseous refrigerant, the compressed refrigerant is conveyed into the silencing cavity from the output port and is buffered in the silencing cavity, so that the noise generated after the compressed gaseous refrigerant is directly sprayed is reduced. And a valve plate for controlling the unidirectional output of the output port is mounted on the first bearing device 20 to prevent the high-pressure gas in the silencing cavity from flowing back to the compression cavity, that is, the valve plate is a one-way valve, and the airflow path can only flow from the compression cavity to the silencing cavity.
As shown in fig. 2 and 3, an oil reservoir 22 is provided on a side of the first bearing device 20 away from the sliding block 50, the oil reservoir 22 is communicated with the oil passage 21, and the oil guide structure 23 delivers oil to the oil reservoir 22 and temporarily stores the oil, that is, the oil guide structure 23 is communicated with the oil reservoir 22, so that the oil is prevented from dispersedly flowing to edge positions of the first bearing device 20. Thus, the oil flowing out of the oil guide structure 23 is returned to the oil reservoir 22, and then the oil in the oil reservoir 22 flows into the sliding groove 12 from the oil passage 21 and contacts with the upper surface of the sliding block 50, and the oil gradually flows between the entire upper surface of the sliding block 50 and the corresponding surface of the first bearing device 20, so that the oil lubricates the upper surface of the sliding block 50 and the corresponding surface of the first bearing device 20 during the reciprocating sliding between the sliding block 50 and the sliding groove 12, thereby achieving a good lubricating effect therebetween and reducing the frictional wear between the sliding block 50 and the corresponding surface of the first bearing device 20.
In an embodiment of the present invention, the oil storage tank 22 is a strip-shaped tank, and the length extending direction of the oil storage tank 22 is consistent with the reciprocating sliding direction of the slider 50. Alternatively, in another embodiment of the present invention, the oil reservoir 22 is an arc-shaped groove which is curved around the axis of the first bearing device 20. Alternatively, the oil reservoir 22 may be a profiled groove, which only needs to be able to merge and temporarily store oil, and is not limited herein.
As shown in fig. 2 and 3, the wall of the oil reservoir 22 is inclined, that is, the wall of the oil reservoir 22 is inclined from the end away from the compression cylinder 10 toward the compression cylinder 10, that is, the opening of the oil reservoir 22 has a large area and the bottom of the oil reservoir has a small area, which helps the oil flowing out of the oil guide structure 23 to merge and be stored in the oil reservoir 22. The oil passage 21 communicates with the bottom of the oil reservoir 22, so that the oil stored in the oil reservoir 22 can completely flow into the oil passage 21 and then into the sliding groove 12 to contact the upper surface of the slider 50.
In an embodiment of the present invention, the oil passage 21 is a vertical oil passage 21, the oil passage 21 is directly connected to the sliding groove 12 from a side of the first bearing device 20 away from the compression cylinder 10, a hole axis of the oil passage 21 is parallel to a central axis of the crankshaft 30, the oil passage 21 is arranged opposite to the sliding groove 12, and the oil passage 21 is opposite to the sliding groove 12, so that a path of the oil passage 21 is shortest.
Alternatively, in another embodiment of the present invention, the oil passage 21 is an inclined oil passage 21, and the hole axis extending direction of the oil passage 21 forms an acute included angle with the central axis of the crankshaft 30, that is, the oil passage 21 is formed by drilling obliquely with respect to the extending direction of the crankshaft 30. Still alternatively, the oil passage 21 may also be a curved oil passage. In the present application, the oil passage 21 may satisfy the following condition: the two ends of the oil passage 21 are respectively communicated with the oil storage groove 22 and the sliding groove 12, so that the oil in the oil storage groove 22 can flow to the upper surface of the slider 50, and the oil passage can be applicable to a linear oil passage, a curved oil passage or other oil passages, and is not limited herein.
As shown in fig. 1 to 3, the first bearing device 20 includes a bearing main body 201 and a bearing journal 202 connected to the bearing main body 201, the bearing main body 201 is mounted to the compression cylinder 10 so as to cover the accommodation space 11, the bearing journal 202 extends in a direction away from the compression cylinder 10, the bearing journal 202 is provided with a through hole 203 through which the crankshaft 30 passes, the oil storage groove 22 is provided on a side of the bearing main body 201 away from the compression cylinder 10, the oil guide structure 23 includes an oil outlet 231 provided on the bearing journal 202 and penetrating the through hole 203, and an oil guide groove 232 provided on an outer peripheral wall of the bearing journal 202 and communicating with the oil outlet 231, and the oil guide groove 232 communicates with the oil storage groove 22. Thus, the oil outlet 231 and the oil guide groove 232 guide and guide the oil flowing between the outer peripheral wall of the crankshaft 30 and the hole wall of the through hole 203 and guide the oil to flow to the oil storage groove 22 for confluence and temporary storage.
As shown in fig. 2 and 3, a spiral oil groove 204 spirally arranged along the hole axis direction of the through hole 203 is provided on the hole wall of the through hole 203, the spiral oil groove 204 penetrates through an end surface of the bearing journal 202 far from the bearing main body 201, and the oil outlet 231 is communicated with the spiral oil groove 204. In the embodiment of the present invention, the oil flowing down from the opening of the oil transportation channel 32 at the upper end of the crankshaft 30 flows to the end of the bearing journal 202, most of the oil can flow into the spiral oil groove 204 (also a part of the oil flows into between the hole wall of the through hole 203 and the outer peripheral wall of the crankshaft 30), the oil flowing into the spiral oil groove 204 flows along the spiral oil groove 204 under the action of gravity, then the oil flows from the oil outlet 231 to the oil guide groove 232, the oil is guided by the oil guide groove 232 to flow into the oil storage groove 22 to converge and be stored, and the oil in the oil storage groove 22 flows into the sliding groove 12 from the oil passage 21 and contacts with the upper surface of the sliding block 50. Thus, the oil can achieve a good lubricating effect between the corresponding surfaces of the sliding block 50 and the first bearing device 20 during the reciprocating sliding process of the sliding block 50, and reduce the frictional wear between the corresponding surfaces of the sliding block 50 and the first bearing device 20.
Further, the hole diameter of the oil outlet 231 is smaller than or equal to the groove width of the spiral oil groove 204, so that the oil flowing into the spiral oil groove 204 is sufficiently guided to flow into the oil outlet 231 and flow out to the oil guide groove 232.
In the embodiment of the present invention, the oil outlet 231 is disposed on a portion of the bearing journal 202 that is bisected in the axial direction thereof and is close to the compression cylinder 10. That is, if allowed, the oil outlet 231 is as close as possible to the bearing main body 201 so that the oil can sufficiently lubricate between the outer peripheral wall of the crankshaft 30 and the hole wall of the through hole 203.
The rotor compressor still includes second bearing device 70, second bearing device 70 fixed mounting be in deviating from of compression cylinder 10 one side of first bearing device 20 in the embodiment of the utility model provides an, first bearing device 20, compression cylinder 10, slider 50 and second bearing device 70 have formed working chamber to rotor 40 is in the moving in-process with working chamber divide into the suction chamber (suction chamber is linked together with the input port) and the compression chamber (compression chamber is linked together with the delivery outlet). The end of the crankshaft 30 that extends out of the receiving space 11 is mounted on the second bearing device 70, and the surface of the slider 50 that faces away from the first bearing device 20 is substantially in contact with the corresponding surface of the second bearing device 70 (although in contact, relative sliding movement between the slider 50 and the second bearing device 70 is possible).
In the embodiment of the present invention, the slide block assembly further includes a force application structure (not shown), the force application structure is assembled in the sliding groove 12, the force application structure is used for applying an acting force to the slide block 50 to make the slide block 50 always abut against the outer peripheral wall of the rotor 40, and thus, the accommodating space 11 is divided into the suction cavity and the compression cavity by the rotor 40 and the slide block 50 in the process of rotating the rotor 40. Specifically, in the embodiment of the utility model provides an in, application of force structure includes compression spring, and compression spring's extending direction is unanimous with the reciprocal slip direction of slider 50, and slider 50 is supported to compression spring's one end, and the cell wall of spout 12 is supported to the other end. During the operation of the rotor 40, when the rotor 40 performs a compression stroke, the rotor 40 pushes the slider 50 to slide to compress the compression spring, and then, when the rotor 40 enters a suction stroke, the elastic force of the compression spring acts on the slider 50, so that the slider 50 always abuts against the outer peripheral wall of the rotor 40.
According to another aspect of the present invention, a refrigeration apparatus (not shown) is provided. Specifically, this refrigeration plant includes the aforesaid rotor compressor of this application, and this rotor compressor is used for compressing the refrigerant in the refrigeration plant.
Will the embodiment of the utility model provides a roller type compressor uses in refrigeration plant, carries out compression work to the gaseous state refrigerant, carries out the moving in-process at bent axle 30 drive rotor 40, and the gaseous state refrigerant is by the input port by the suction accommodation space 11 in, compressed by rotor 40 then. During the rotation of the rotor 40 along with the eccentric shaft section 31 of the crankshaft 30, the oil is pumped from the oil delivery passage 32 to the top of the crankshaft 30, and then flows down along the outer peripheral wall of the crankshaft 30, and flows into between the outer peripheral wall of the crankshaft 30 and the first bearing device 20 under the action of gravity, and then flows from the oil guide structure 23 of the first bearing device 20 to the oil passage 21, and then flows into the sliding chute 12 from the oil passage 21 and enters between the sliding block 50 and the surface of the first bearing device 20, so that sufficient oil can be supplemented between the sliding block 50 and the surface of the first bearing device 20, thereby achieving good lubrication effect between the sliding block 50 and the surface of the first bearing device 20, and reducing the friction wear between the sliding block 50 and the surface of the first bearing device 20. In addition, oil is filled between the sliding block 50 and the surface of the first bearing device 20, so that good sealing is realized between the sliding block 50 and the surface of the first bearing device 20 through the oil, leakage between the sliding block 50 and the surface of the first bearing device is prevented, leakage of high-pressure gaseous refrigerant in a compression cavity to a low-pressure cavity is also prevented, the stability of the volumetric efficiency of the roller compressor is ensured, and the compression efficiency of the roller compressor is further ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the present application, and any modifications, equivalents and improvements made within the spirit and principle of the embodiments of the present application should be included in the scope of the present application.
Claims (11)
1. A rotary compressor, comprising:
the compression cylinder is provided with an accommodating space, the side wall of the compression cylinder is provided with an input port, an output port and a sliding chute which are communicated with the accommodating space, and the sliding chute is positioned between the input port and the output port;
the first bearing device is fixedly arranged on the compression cylinder and provided with an oil guide structure and an oil passage, the oil guide structure is communicated with the oil passage, and the oil passage is communicated with the sliding groove;
the crankshaft is assembled on the first bearing device, an oil conveying channel is arranged on the crankshaft along the axial direction, and the oil conveying channel is communicated with the oil guide structure;
the crankshaft drives the rotor to rotate circularly in the direction from the input port to the output port, and the peripheral wall of the rotor is in circular contact with the inner wall surface of the accommodating space;
and the sliding block assembly comprises a sliding block, the sliding block is slidably assembled in the sliding groove, the sliding block extends into the accommodating space and is matched with the peripheral wall of the rotor to isolate the input port and the output port, and the surface of the sliding block facing the first bearing device covers the opening of the oil channel.
2. The rotary compressor of claim 1,
one side of the first bearing device, which is far away from the sliding block, is provided with an oil storage groove, the oil storage groove is communicated with the oil duct, and the oil guide structure is communicated with the oil storage groove.
3. The rotary compressor of claim 2,
the oil storage tank is a long strip-shaped tank, and the length extension direction of the oil storage tank is consistent with the reciprocating sliding direction of the sliding block;
or, the oil storage groove is an arc-shaped groove which is bent around the axis of the first bearing device.
4. The rotary compressor of claim 1,
the oil duct is a vertical oil duct, the hole axis of the oil duct is parallel to the central axis of the crankshaft, and the oil duct is arranged opposite to the sliding chute;
or the oil duct is an inclined oil duct, and an included angle is formed between the hole axis of the oil duct and the central axis of the crankshaft;
alternatively, the oil passage is a curved oil passage.
5. The rotary compressor of claim 2,
first bearing device include the bearing main part and connect in the bearing journal of bearing main part, the bearing main part install in the compression cylinder, the bearing journal is along deviating from the direction of compression cylinder is extended, the bearing journal is equipped with the confession the through-hole that the bent axle passed, the oil storage tank set up in the bearing main part deviates from one side of compression cylinder, lead oily structure including set up in the bearing journal and link up to the oil outlet of through-hole, and set up in the periphery wall of bearing journal and with the oil groove is led of oil outlet intercommunication, lead the oil groove with the oil storage tank intercommunication.
6. The rotary compressor of claim 5,
the pore wall of through-hole is equipped with the edge the spiral oil groove of the hole axis direction spiral setting of through-hole, the spiral oil groove link up keeping away from of bearing journal the one end terminal surface of bearing main part, the oil outlet with spiral oil groove intercommunication.
7. The rotary compressor of claim 6,
the aperture of the oil outlet is smaller than or equal to the groove width of the spiral oil groove.
8. The rotary compressor according to any one of claims 5 to 7,
the oil outlet hole is formed in a portion of the bearing journal, which is close to the compression cylinder and bisects the bearing journal in the axial direction of the bearing journal.
9. The rotary compressor of claim 8,
the rotor compressor further comprises a second bearing device fixedly mounted on a side of the compression cylinder facing away from the first bearing device, and an end of the crankshaft, which extends out of the accommodating space in a direction away from the first bearing device, is fitted to the second bearing device.
10. The rotary compressor of claim 2,
and the groove wall of the oil storage groove is obliquely arranged from one end far away from the compression cylinder to the direction of the compression cylinder.
11. A refrigeration device, characterized in that,
comprising a rotary compressor according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459768.1U CN217462551U (en) | 2022-06-10 | 2022-06-10 | Rotor compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459768.1U CN217462551U (en) | 2022-06-10 | 2022-06-10 | Rotor compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462551U true CN217462551U (en) | 2022-09-20 |
Family
ID=83236231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221459768.1U Active CN217462551U (en) | 2022-06-10 | 2022-06-10 | Rotor compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462551U (en) |
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2022
- 2022-06-10 CN CN202221459768.1U patent/CN217462551U/en active Active
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