CN111271257A - Bearing assembly and compressor - Google Patents
Bearing assembly and compressor Download PDFInfo
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- CN111271257A CN111271257A CN201811481981.0A CN201811481981A CN111271257A CN 111271257 A CN111271257 A CN 111271257A CN 201811481981 A CN201811481981 A CN 201811481981A CN 111271257 A CN111271257 A CN 111271257A
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- partition
- bearing assembly
- bearing
- mounting groove
- exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a bearing assembly and a compressor. Wherein, bearing assembly, be used for the compressor, include: the bearing is provided with a mounting groove, and the bottom wall of the mounting groove is provided with an exhaust hole; the limiting stopper is positioned in the mounting groove, one end of the limiting stopper is connected with the bottom wall of the mounting groove, the other end of the limiting stopper is positioned above the exhaust hole, and the mounting groove and the limiting stopper jointly define an exhaust flow channel; and the separating part is arranged in the exhaust runner and close to the other end of the limiter, and is used for dividing the large airflow into a plurality of small airflows. The invention reasonably arranges the separating part at the position of the exhaust flow passage, and the separating part divides the large airflow into a plurality of small airflows, thereby breaking the large airflow vortex structure into the small airflow vortex structure, and the high-frequency airflow noise of the small airflow vortex structure can be better interfered and isolated, so the operation noise of the product can be greatly reduced.
Description
Technical Field
The invention relates to the technical field of compressor manufacturing, in particular to a bearing assembly and a compressor.
Background
In a hermetic compressor, a refrigerant is compressed in a compression chamber having a roller, a cylinder, and the like, and when a refrigerant gas is compressed in the compression chamber to a set pressure, a discharge valve is driven by a pressure difference to be opened. The periodic opening and closing of the valve plate can cause the change of an airflow flowing structure in the bearing valve seat, so that a large airflow vortex structure is caused, the large airflow vortex structure represents low-frequency airflow noise in the representation, the noise is not easy to isolate, the operation noise of a product is large, and the user experience is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention proposes a bearing assembly.
A second aspect of the present invention proposes a compressor.
In view of this, a first aspect of the present invention proposes a bearing assembly for a compressor, comprising: the bearing is provided with a mounting groove, and the bottom wall of the mounting groove is provided with an exhaust hole; the limiting stopper is positioned in the mounting groove, one end of the limiting stopper is connected with the bottom wall of the mounting groove, the other end of the limiting stopper is positioned above the exhaust hole, and the mounting groove and the limiting stopper jointly define an exhaust flow channel; and the separating part is arranged in the exhaust runner and close to the other end of the limiter, and is used for dividing the large airflow into a plurality of small airflows.
The present invention provides a bearing assembly comprising: bearing, stopper and partition portion. Because the valve block of the bearing assembly is positioned between the bottom wall of the mounting groove and the limiting stopper, and the valve block is covered on the exhaust hole, when the compressor works, airflow enters the exhaust channel through the exhaust hole, the valve block is periodically opened and closed under the action of the airflow, so that an atmospheric vortex structure which is characterized by low-medium frequency noise is formed in the bearing, the separating part is arranged in the exhaust channel and is close to the other end of the limiting stopper, the airflow entering from the exhaust hole can be contacted with the separating part at the first time in time, the separating part divides a large airflow into a plurality of small airflows, the atmospheric vortex structure is broken into a small airflow vortex structure, the high-frequency airflow noise energy of the small airflow vortex structure is better interfered and isolated, and therefore, the running noise of the product can be greatly reduced, and the service performance and market competitiveness of the product are improved. Meanwhile, by differentiating the airflow, the separation and falling of the vortex generated by the small airflow in the flowing process can be delayed, so that the noise generated in the subsequent exhaust flow channel process can be reduced.
Specifically, because the partition portion is close to the other end of stopper, so, can separate the air current that flows in by the exhaust hole in the source to furthest carries out the breakage to the atmospheric vortex structure, avoids the atmospheric vortex structure to flow into follow-up exhaust runner and then cause the unable isolated condition of air current noise to take place under the condition of not handling, is favorable to promoting the noise reduction effect of product.
According to the bearing assembly of the invention, the following additional technical features can be provided:
in the above technical solution, preferably, the partition portion includes a partition rod; the cross-sectional shape of the spacer bar includes any one of: circular, oval, polygonal, and irregular.
In this technical scheme, through the structure of reasonable setting partition portion for partition portion includes the branch spacer bar, utilizes the branch spacer bar to realize the separation to the air current like this, and the branch spacer bar has advantages such as the consumptive material is few, the quality is light, and the structure of branch spacer bar sets up the current structure of rational utilization bearing, promptly, under the condition that does not change the current inner structure of bearing and overall dimension, has realized the change to the air current flow structure, has reduced the input of extra material, has reduced the transformation cost to the bearing.
Further, the sectional shape of the partition rod includes any one of: the shape of the cross section of the separating rod can be set in a targeted manner according to the specific internal structure condition of the exhaust channel, namely, the shape of the separating rod is reasonably set under the condition of not changing the external dimension and the service performance of the bearing, so that the condition that the occupancy rate of the bearing assembly to the internal space of the compressor is increased is avoided. Specifically, the cross-sectional shape of the separating rod can be a wedge shape, a square shape and other polygons, and the special shape is an irregular shape, such as a structure formed by a curve, a structure formed by an arc line and a straight line, and the like.
In any one of the above technical solutions, preferably, the partition further includes: at least one separation sheet is sleeved on the separation rod.
In the technical scheme, at least one separation sheet is arranged, so that the separation sheet is sleeved on the separation rod, namely, the overall dimension of the separation part is increased, and thus, the contact area and the contact frequency of the separation part and the airflow are increased, and therefore, a large airflow can be effectively divided. Meanwhile, when the number of the separating sheets is multiple, the large airflow can be divided into multiple small airflows, and noise isolation is facilitated.
Specifically, a plurality of separating sheets are arranged on the separating rod at intervals. The separating rod is provided with a plurality of grooves, one separating sheet is clamped in one groove, and the distance between every two adjacent grooves is fixed, so that the distance between every two adjacent separating sheets is indirectly limited, the installation size of the separating sheet relative to the separating rod is ensured, and the divided air flow can be effectively controlled and reduced in noise.
In any one of the above technical solutions, preferably, the partition portion includes a partition plate, and the partition plate is provided with a plurality of ventilation holes.
In this technical scheme, the partition portion includes the division board to be provided with a plurality of bleeder vents on the division board, can be so that division board and exhaust runner's inner wall looks butt, like this, can guarantee the stability and the reliability of division board assembly, simultaneously, owing to set up a plurality of bleeder vents, so, the back is flowed through to the big burst air current division board, can flow in follow-up exhaust runner via a plurality of bleeder vents, and the atmospheric vortex structure can effectively be broken up to the bleeder vent. And the structure is simple in processing technology, convenient to operate and low in production cost.
Particularly, the division plate plays a role in strengthening and fixing the exhaust runner, so that the stability of the exhaust runner is enhanced, the vibration of the exhaust runner is reduced, and the noise reduction is facilitated.
In any of the above technical solutions, preferably, the bearing and the partition are of an integral structure.
In this technical scheme, bearing and partition portion formula structure as an organic whole, because the mechanical properties of integral type structure is good, therefore can ensure the joint strength between bearing and the partition portion, in addition, still can make bearing and partition portion an organic whole, batch production to improve the production efficiency of product, reduce the production and processing cost of product.
In any of the above solutions, preferably, the bearing assembly further includes: the mounting hole is arranged on the bearing and communicated with the exhaust flow passage; one end of the partition part is inserted into the exhaust flow passage through the mounting hole.
In the technical scheme, the mounting hole is communicated with the exhaust runner by arranging the mounting hole on the bearing, so that one end of the partition part is inserted into the exhaust runner through the mounting hole, and the detachable assembly arrangement of the partition part and the bearing is realized; further, the contact area of the separating part and the bearing is increased due to the arrangement of the mounting holes, the structural strength of the assembly of the separating part and the bearing is enhanced, and the stability and the reliability of the assembly of the product are improved. Meanwhile, the structure is convenient to install, and is convenient to disassemble, maintain and clean subsequently, the assembling efficiency is high, and the maintenance cost is low.
Specifically, the end face of one end of the partition part inserted into the exhaust flow passage abuts against the inner wall of the exhaust flow passage to ensure the stability of the assembly of the partition part.
In any of the above technical solutions, preferably, a plane where the opening end of the mounting groove is located is provided with a mounting portion recessed toward the bottom wall of the mounting groove; the mounting part is communicated with the opening of the mounting groove, and the partition part is positioned in the mounting part.
In this technical scheme, be provided with the installation department sunken towards installation groove diapire direction through the plane at the open end place of installation groove, and make the installation department be linked together with the opening of installation groove, like this with the partition portion setting in the installation department, the installation department plays fixed and spacing effect to the partition portion that is located it, and then guarantee the setting position of partition portion in the exhaust runner, namely, make the partition portion be close to the other end of stopper, guarantee the contact opportunity of partition portion and big thigh air current, and then can guarantee the partition portion to the air current and the effect of breaing up. Meanwhile, the installation groove is formed in the bearing, so that the weight of the bearing can be reduced, and the weight of the bearing assembly is in a controllable range.
In any of the above technical solutions, preferably, the separation portion includes a separation flow channel, one end of the separation flow channel is communicated with the exhaust flow channel, and the other end of the separation flow channel is connected with an air outlet located on an outer wall of the bearing; wherein the number of the separation flow passages is at least one.
In the technical scheme, the separation flow channel is arranged, one end of the separation flow channel is communicated with the exhaust flow channel, the other end of the separation flow channel is connected with the air outlet on the outer wall of the bearing, the air flow flows through the separation flow channel, and then flows out of the bearing through at least one separation flow channel, namely, the separation flow channel limits the flowing direction of the air flow in the exhaust flow channel, a large air flow is divided into a plurality of small air flows through the separation flow channel, the large air flow vortex structure is broken into a small air flow vortex structure, high-frequency air flow noise energy of the small air flow vortex structure is better interfered and isolated, and noise reduction is facilitated. Meanwhile, when the number of the separating flow passages is multiple, namely, the large airflow is divided into a plurality of small airflows corresponding to the number of the separating flow passages, so that the noise is favorably isolated.
In any one of the above technical solutions, preferably, the number of the partition portions is plural, and the plural partition portions are arranged in the exhaust flow passage in a staggered manner.
In this technical scheme, through setting up a plurality of partitions for a plurality of partitions staggered arrangement have increased the area of contact and the frequency of contact of partition and air current in the exhaust runner, and then more do benefit to the change to the air current structure.
A second aspect of the present invention provides a compressor comprising: the bearing assembly of any of the preceding claims.
The compressor provided by the invention comprises the bearing assembly according to any one of the first aspect, so that the compressor has all the advantages of the bearing assembly, and the description is omitted here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a partial cross-sectional view of a bearing assembly of a first embodiment of the present invention;
FIG. 2 shows a partial cross-sectional view of a bearing assembly of a second embodiment of the present invention;
FIG. 3 shows a partial cross-sectional view of a bearing assembly of a third embodiment of the present invention;
FIG. 4 shows a partial cross-sectional view of a bearing assembly of a fourth embodiment of the present invention;
FIG. 5 shows a partial cross-sectional view of a bearing assembly of a fifth embodiment of the present invention;
FIG. 6 shows a partial cross-sectional view of a bearing assembly of a sixth embodiment of the present invention;
FIG. 7 shows a partial cross-sectional view of a bearing assembly of a seventh embodiment of the present invention;
FIG. 8 shows a schematic structural view of a bearing assembly of a first embodiment of the present invention;
FIG. 9 shows a schematic structural view of a bearing assembly of a second embodiment of the present invention;
FIG. 10 shows a schematic structural view of a bearing assembly of a third embodiment of the present invention;
FIG. 11 shows a schematic structural view of a bearing assembly of a fourth embodiment of the present invention;
fig. 12 shows a schematic structural view of a bearing assembly of a fifth embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 12 is:
1, bearing assembly, 10 bearings, 102 installation grooves, 104 exhaust holes, 106 exhaust holes, 108 exhaust flow passages, 20 limiters, 30 separation parts, 302 separation rods, 304 separation sheets, 306 separation flow passages, 40 installation holes, 50 installation parts, 60 valve sheets and 70 rivets.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The bearing assembly 1 and the compressor according to some embodiments of the present invention will be described below with reference to fig. 1 to 12.
As shown in fig. 1 to 7, an embodiment of the present invention proposes a bearing assembly 1 for a compressor, including: the bearing 10 is provided with a mounting groove 102, and the bottom wall of the mounting groove 102 is provided with an exhaust hole 104; the stopper 20 is positioned in the mounting groove 102, one end of the stopper 20 is connected with the bottom wall of the mounting groove 102, the other end of the stopper 20 is positioned above the exhaust hole 104, and the mounting groove 102 and the stopper 20 jointly define an exhaust flow channel 108; and a partition 30 disposed in the exhaust flow path 108 and adjacent to the other end of the stopper 20, the partition 30 being configured to divide a large flow into a plurality of small flows.
The present invention provides a bearing assembly 1 comprising: bearing 10, retainer 20 and partition 30. Since the valve sheet 60 of the bearing assembly 1 is positioned between the bottom wall of the mounting groove 102 and the stopper 20, and the valve sheet 60 is covered on the exhaust hole 104, in this way, when the compressor is in operation, the air flow enters the exhaust channel 108 through the exhaust hole 104, and the valve plate 60 is periodically opened and closed under the action of the air flow, so that an atmospheric vortex structure characterized by low and medium frequency noise is formed in the bearing 10, therefore, the partition portion 30 is disposed in the exhaust channel 108, close to the other end of the stopper 20, thus, the air flow entering from the air outlet 104 contacts the separating portion 30 in time, the separating portion 30 divides the large air flow into a plurality of small air flows, therefore, the large airflow vortex structure is broken into a small airflow vortex structure, and high-frequency airflow noise of the small airflow vortex structure can be better interfered and isolated, so that the operation noise of the product can be greatly reduced, and the use performance and market competitiveness of the product are improved. Meanwhile, by differentiating the airflow, the separation and falling of the vortex generated by the small airflow in the flowing process can be delayed, so that the noise generated in the subsequent exhaust flow channel process can be reduced.
Specifically, since the partition portion 30 is close to the other end of the stopper 20, the airflow flowing from the exhaust hole 104 can be partitioned from the source, so as to crush the airflow vortex structure to the maximum extent, thereby preventing the airflow vortex structure from flowing into the subsequent exhaust channel 108 without being processed, and further preventing the airflow noise from being isolated, and facilitating the improvement of the noise reduction effect of the product.
Specifically, as shown in fig. 1, the rivet 70 assembles the bearing 10, the valve sheet 60, and the stopper 20 together.
In one embodiment of the present invention, preferably, as shown in fig. 2 to 11, the partition 30 includes a partition rod 302; the cross-sectional shape of the spacer bar 302 includes any of: circular, oval, polygonal, and irregular.
In this embodiment, the partition portion 30 includes the partition rod 302 by reasonably setting the structure of the partition portion 30, so that the partition of the air flow is realized by using the partition rod 302, the partition rod 302 has the advantages of less material consumption, light weight and the like, and the structural setting of the partition rod 302 reasonably utilizes the existing structure of the bearing 10, that is, under the condition that the existing internal structure and the external dimension of the bearing 10 are not changed, the change of the air flow flowing structure is realized, the investment of additional materials is reduced, and the modification cost of the bearing 10 is reduced.
Further, the cross-sectional shape of the spacer bar 302 includes any of: the shape of the cross section of the separating rod 302 can be set in a targeted manner according to the specific internal structure of the exhaust channel 108, i.e., the shape of the separating rod 302 can be set reasonably without changing the external dimension and the service performance of the bearing 10, thereby avoiding the increase of the occupancy rate of the bearing assembly 1 to the internal space of the compressor. Specifically, the cross-sectional shape of the separating rod 302 may be a wedge shape, a square shape, or other polygonal shape, and the irregular shape may be an irregular shape, such as a structure defined by a curved line, or a structure defined by an arc line and a straight line.
In an exemplary embodiment, as shown in fig. 2, 3, 9 and 10, the cross-sectional shape of the spacer bar 302 is circular; as shown in fig. 4 and 5, the cross-sectional shape of the spacer bar 302 is triangular; as shown in fig. 6, 7, 8, and 11, the cross-sectional shape of the spacer bar 302 is rectangular. As shown in fig. 3, 5 and 7, the direction of the arrows indicates the flow direction of the air flow, and the partition 30 divides a large air flow into two small air flows.
In one embodiment of the present invention, preferably, as shown in fig. 7, the partition 30 further includes: at least one spacer 304 is sleeved on the spacer bar 302.
In this embodiment, by providing at least one separating plate 304 such that the at least one separating plate 304 is fitted over the separating rod 302, the overall dimension of the separating portion 30 is increased, and thus the contact area and the contact frequency of the separating portion 30 with the airflow are increased, and thus a large airflow can be effectively divided. Meanwhile, when the number of the separating sheets 304 is multiple, a large airflow is divided into multiple small airflows, which is beneficial to noise isolation.
Specifically, a plurality of spacers 304 are spaced apart on the spacer bar 302. The separating rod 302 is provided with a plurality of grooves, one separating sheet 304 is clamped in one groove, and the distance between adjacent grooves is fixed, so that the distance between adjacent separating sheets 304 is indirectly limited, the installation size of the separating sheet 304 relative to the separating rod 302 is ensured, and the divided air flow can be effectively controlled and reduced in noise.
In one embodiment of the present invention, preferably, the partition 30 includes a partition plate having a plurality of ventilation holes formed therein.
In this embodiment, the partition portion 30 includes a partition plate, and a plurality of air holes are formed in the partition plate, so that the partition plate can be abutted against the inner wall of the exhaust flow passage 108, and thus, the stability and reliability of the assembly of the partition plate can be ensured. And the structure is simple in processing technology, convenient to operate and low in production cost.
Specifically, the partition plate reinforces and fixes the exhaust flow passage 108, which is beneficial to enhancing the stability of the exhaust flow passage 108, reducing the vibration of the exhaust flow passage 108, and reducing noise.
In one embodiment of the present invention, it is preferable that the bearing 10 and the partition 30 are of a unitary structure.
In this embodiment, the bearing 10 and the partition portion 30 are of an integrated structure, and the mechanical property of the integrated structure is good, so that the connection strength between the bearing 10 and the partition portion 30 can be ensured, and in addition, the bearing 10 and the partition portion 30 can be integrally manufactured and mass-produced, so that the production efficiency of products is improved, and the production and processing costs of the products are reduced.
In one embodiment of the present invention, preferably, as shown in fig. 10 and 11, the bearing assembly 1 further includes: a mounting hole 40 provided on the bearing 10, the mounting hole 40 communicating with the exhaust flow passage 108; one end of the partition portion 30 is inserted into the exhaust flow passage 108 through the mounting hole 40.
In this embodiment, the mounting hole 40 is provided on the bearing 10, so that the mounting hole 40 is communicated with the exhaust flow passage 108, and thus one end of the partition 30 is inserted into the exhaust flow passage 108 through the mounting hole 40, thereby realizing the detachable assembly of the partition 30 and the bearing 10; further, the installation holes 40 increase the contact area between the partition 30 and the bearing 10, and enhance the structural strength of the assembly of the partition 30 and the bearing 10, thereby improving the stability and reliability of the product assembly. Meanwhile, the structure is convenient to install, and is convenient to disassemble, maintain and clean subsequently, the assembling efficiency is high, and the maintenance cost is low.
Specifically, an end surface of one end of the partition portion 30 inserted into the exhaust flow passage 108 abuts on an inner wall of the exhaust flow passage 108 to ensure the stability of the assembly of the partition portion 30.
In one embodiment of the present invention, preferably, as shown in fig. 8 and 9, a plane where an opening end of the mounting groove 102 is located is provided with a mounting portion 50 recessed toward a bottom wall of the mounting groove 102; the mounting portion 50 communicates with an opening of the mounting groove 102, and the partition portion 30 is located in the mounting portion 50.
In this embodiment, the plane where the opening end of the mounting groove 102 is located is provided with the mounting portion 50 recessed towards the bottom wall of the mounting groove 102, and the mounting portion 50 is communicated with the opening of the mounting groove 102, so that the partition portion 30 is disposed in the mounting portion 50, the mounting portion 50 plays a role in fixing and limiting the partition portion 30 located therein, and further ensures the position of the partition portion 30 in the exhaust flow channel 108, that is, the partition portion 30 is close to the other end of the stopper 20, so as to ensure the contact timing of the partition portion 30 and the large air flow, and further ensure the separation and scattering effects of the partition portion 30 on the air flow. Meanwhile, since the mounting groove 102 is provided on the bearing 10, the weight of the bearing 10 can be reduced, and thus the weight of the bearing assembly 1 can be controlled.
In one embodiment of the present invention, preferably, as shown in fig. 12, the partition portion 30 includes a partition flow passage 306, one end of the partition flow passage 306 communicates with the exhaust flow passage 108, and the other end of the partition flow passage 306 is connected to the air outlet 106 located on the outer wall of the bearing 10; wherein the number of the partition flow paths 306 is at least one.
In this embodiment, the separation flow channel 306 is disposed, such that one end of the separation flow channel 306 is communicated with the exhaust flow channel 108, and the other end of the separation flow channel 306 is connected to the air outlet 106 located on the outer wall of the bearing 10, and the air flow passes through the separation flow channel 306 and flows out of the bearing 10 through at least one separation flow channel 306, that is, the separation flow channel 306 defines the flow direction of the air flow in the exhaust flow channel 108, such that the large air flow is divided into a plurality of small air flows through the separation flow channel 306, and the large air flow vortex structure is broken into the small air flow vortex structure, which is beneficial to reducing noise. Meanwhile, when the number of the partition flow channels 306 is plural, it is equivalent to divide the large airflow into a plurality of small airflows corresponding to the number of the partition flow channels 306, thereby being beneficial to the isolation of noise. Specifically, as shown in fig. 12, the number of the partition flow paths 306 is two.
In one embodiment of the present invention, it is preferable that the number of the partitions 30 is plural, and the plural partitions 30 are arranged in the exhaust flow passage 108 in a staggered manner.
In this embodiment, by providing a plurality of partitions 30, the partitions 30 are arranged in the exhaust flow channel 108 in a staggered manner, so that the contact area and the contact frequency of the partitions 30 with the airflow are increased, and the change of the airflow structure is facilitated.
According to an embodiment of the second aspect of the present invention, there is also provided a compressor comprising the bearing assembly 1 according to the embodiment of the first aspect of the present invention.
The compressor provided by the present invention, including the bearing assembly 1 according to the embodiment of the first aspect, has all the advantages of the bearing assembly 1, and therefore, no description is made herein.
In the embodiment, the number of the bearing assemblies 1 is two, i.e., an upper bearing and a lower bearing. The compressor further includes: the cylinder is sleeved on the crankshaft; the upper bearing and the lower bearing are sleeved on the crankshaft and are respectively positioned on the upper side and the lower side of the cylinder.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A bearing assembly for a compressor, comprising:
the bearing is provided with a mounting groove, and the bottom wall of the mounting groove is provided with an exhaust hole;
the limiting stopper is positioned in the mounting groove, one end of the limiting stopper is connected with the bottom wall of the mounting groove, the other end of the limiting stopper is positioned above the exhaust hole, and the mounting groove and the limiting stopper jointly define an exhaust flow channel;
and the separating part is arranged in the exhaust runner and close to the other end of the limiter, and is used for dividing a large airflow into a plurality of small airflows.
2. The bearing assembly of claim 1,
the partition comprises a partition rod;
the cross-sectional shape of the spacer bar includes any one of: circular, oval, polygonal, and irregular.
3. The bearing assembly of claim 2,
the partition further includes:
at least one separation sheet is sleeved on the separation rod.
4. The bearing assembly of claim 1,
the partition part comprises a partition plate, and a plurality of air holes are formed in the partition plate.
5. The bearing assembly according to any of claims 1 to 4,
the bearing and the separating part are of an integrated structure.
6. The bearing assembly of any of claims 1 to 4, further comprising:
the mounting hole is arranged on the bearing and communicated with the exhaust flow passage;
one end of the partition part is inserted into the exhaust flow passage through the mounting hole.
7. The bearing assembly according to any of claims 1 to 4,
the plane of the opening end of the mounting groove is provided with a mounting part which is sunken towards the bottom wall direction of the mounting groove;
the installation department with the opening of mounting groove is linked together, the partition part is located in the installation department.
8. The bearing assembly according to any of claims 1 to 4,
the separating part comprises a separating flow passage, one end of the separating flow passage is communicated with the exhaust flow passage, and the other end of the separating flow passage is connected with an air outlet on the outer wall of the bearing;
wherein the number of the separation flow passages is at least one.
9. The bearing assembly according to any of claims 1 to 4,
the number of the partition portions is plural, and the plural partition portions are arranged in the exhaust flow passage in a staggered manner.
10. A compressor, comprising:
a bearing assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481981.0A CN111271257B (en) | 2018-12-05 | 2018-12-05 | Bearing assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481981.0A CN111271257B (en) | 2018-12-05 | 2018-12-05 | Bearing assembly and compressor |
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| Publication Number | Publication Date |
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| CN111271257A true CN111271257A (en) | 2020-06-12 |
| CN111271257B CN111271257B (en) | 2022-03-25 |
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| CN201811481981.0A Active CN111271257B (en) | 2018-12-05 | 2018-12-05 | Bearing assembly and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111271257B (en) | 2022-03-25 |
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