Oil baffle structure, rotor assembly and compressor
By employing an oil baffle structure in the refrigeration compressor, and utilizing the design of the support column abutting against the end face of the iron core, the oil baffle is prevented from falling off, thus solving the problem of high oil output caused by rivet detachment, and achieving compressor stability and cost reduction.
Patent Information
- Application Number
- CN202423162831.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing refrigeration compressors, the oil baffle is prone to oil leakage due to rivet detachment, which affects the reliability of the compressor and the efficiency of the system.
An oil-blocking structure is adopted, including a first balance block, an oil-blocking plate, a support column, and an installation component. The support column abuts against the end face of the iron core, and the installation component is embedded in the support column to prevent the installation component from falling off, thereby improving the stability of the oil-blocking plate and reducing the oil output rate.
It effectively prevents the oil baffle from falling off, reduces the oil output rate, improves the stability of the compressor, simplifies the structure of the first balance block, and reduces costs.
Smart Images
Figure CN223536549U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of compressor technology, and in particular to an oil baffle structure, a rotor assembly, and a compressor. Background Technology
[0002] Currently, oil return in refrigeration compressors (especially inverter compressors) is one of the key factors affecting compressor reliability and system efficiency. To reduce the high oil output rate during compressor operation, an oil baffle is usually riveted to the upper balance block of the rotor, which can effectively reduce the oil output rate. The upper balance block usually has a boss as a riveting step, used to rivet the oil baffle with a blind rivet. However, the rivet is easily disturbed and can fall off, causing the oil baffle to detach and increasing the oil output rate.
[0003] Therefore, there is an urgent need for an oil baffle structure, rotor assembly, and compressor to solve the above-mentioned technical problems. Utility Model Content
[0004] The purpose of this invention is to provide an oil baffle structure, rotor assembly, and compressor that can prevent the oil baffle from falling off and reduce the oil output rate.
[0005] To achieve this objective, the present invention adopts the following technical solution:
[0006] An oil-blocking structure includes: a first balance block, an oil-blocking plate, a plurality of mounting components, and an iron core. The first balance block is disposed on a portion of the end face of the iron core. The oil-blocking plate is provided with a first connecting surface and a second connecting surface. A plurality of support columns are spaced apart on the second connecting surface so that when the first connecting surface abuts against the end face of the first balance block, the plurality of support columns abut against the end face of the iron core. The plurality of mounting components are disposed in a one-to-one correspondence with the plurality of support columns. One end of each mounting component can pass through the second connecting surface and the support column in sequence to connect with the iron core, and the other end of the mounting component can be embedded in the support column.
[0007] As a preferred embodiment of the above-mentioned oil-blocking structure, the second connecting surface is provided with a plurality of first through holes, and the plurality of first through holes are provided in a one-to-one correspondence with a plurality of support columns. The support columns are provided with mounting holes, and the first through holes communicate with the mounting holes.
[0008] As a preferred embodiment of the above-mentioned oil-blocking structure, the diameter of the first through hole is larger than the diameter of the mounting hole, the diameter of the other end of the mounting member is smaller than the diameter of the first through hole, and the diameter of the other end of the mounting member is larger than the diameter of the mounting hole.
[0009] As a preferred technical solution of the above-mentioned oil-blocking structure, the diameter of the first through hole is D, wherein 8.1mm≤D≤12mm.
[0010] As a preferred technical solution of the above-mentioned oil-blocking structure, the oil-blocking structure further includes a flange, and a second through hole is provided at the center of the oil-blocking plate. The wall of the second through hole is connected to the flange. The height of the support column is h2, and the height of the flange is h1, wherein 0mm≤h2-h1<2mm.
[0011] As a preferred technical solution of the above-mentioned oil-blocking structure, the oil-blocking plate and the flange are integrally formed.
[0012] As a preferred technical solution of the above-mentioned oil-blocking structure, the thickness of the oil-blocking plate is t, wherein 0.5mm≤t≤2mm.
[0013] As a preferred technical solution of the above-mentioned oil baffle structure, the oil baffle is a steel component, and the support column and the oil baffle are integrally formed by sheet metal stamping.
[0014] The rotor assembly further includes the oil baffle structure described in any of the preferred embodiments above.
[0015] The compressor includes a housing and the rotor assembly described in the preferred embodiment above.
[0016] The beneficial effects of this utility model are:
[0017] This utility model provides an oil-blocking structure. The oil-blocking structure includes a first balance block, an oil-blocking plate, several mounting components, and an iron core. The first balance block is disposed on a portion of the end face of the iron core. The oil-blocking plate has a first connecting surface and a second connecting surface. Several support columns are spaced apart on the second connecting surface so that when the first connecting surface abuts against the end face of the first balance block, the support columns abut against the end face of the iron core. The mounting components are arranged one-to-one with the support columns. One end of the mounting component can pass through the second connecting surface and the support column in sequence to connect with the iron core, and the other end of the mounting component can be embedded in the support column. The mounting component embedded in the support column can prevent the mounting component from falling off due to disturbance. Furthermore, the abutment between the support column and the end face of the iron core can improve the stability of the oil-blocking plate, preventing the oil-blocking plate from falling off, thereby reducing the oil output rate.
[0018] This invention also provides a rotor assembly, which further includes the oil baffle structure described in the above embodiments. Compared to the prior art, this rotor assembly improves the vibration of the oil baffle plate and simplifies the structure of the first balance block, reducing its cost.
[0019] This invention also provides a compressor, which includes a housing and the rotor assembly described in the above embodiments. Compared to the prior art, the compressor can reduce oil output and improve compressor stability. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the rotor assembly provided in an embodiment of the present utility model;
[0022] Figure 2 A schematic diagram of the structure of the first balance block provided in an embodiment of this utility model;
[0023] Figure 3 This is a first structural schematic diagram of the oil baffle provided in an embodiment of the present utility model;
[0024] Figure 4 This is a schematic diagram of the second structure of the oil baffle provided in an embodiment of the present utility model.
[0025] In the picture:
[0026] 1. First counterweight; 2. Oil baffle; 21. First connecting surface; 22. Second connecting surface; 23. Support column; 231. Mounting hole; 24. First through hole; 25. Second through hole; 3. Mounting component; 4. Flanged edge; 5. Second counterweight; 6. Iron core. Detailed Implementation
[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.
[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0030] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.
[0031] like Figures 1 to 4 As shown, this utility model provides an oil-blocking structure, a rotor assembly, and a compressor. The oil-blocking structure includes: a first balance block 1, an oil-blocking plate 2, several mounting parts 3, and an iron core 6.
[0032] Specifically, the first balance block 1 is disposed on a portion of the end face of the iron core 6. The oil baffle 2 is provided with a first connecting surface 21 and a second connecting surface 22. A plurality of support columns 23 are spaced apart on the second connecting surface 22 so that when the first connecting surface 21 abuts against the end face of the first balance block 1, the plurality of support columns 23 abut against the end face of the iron core 6. A plurality of mounting parts 3 are provided one-to-one with the plurality of support columns 23. One end of the mounting part 3 can pass through the second connecting surface 22 and the support column 23 in sequence to connect with the iron core 6, and the other end of the mounting part 3 can be embedded in the support column 23. The mounting part 3 of this oil baffle structure can be embedded in the support column 23, which can prevent the mounting part 3 from being disturbed and falling off. Furthermore, the abutment of the support column 23 against the end face of the iron core 6 can improve the stability of the oil baffle 2, prevent the oil baffle 2 from falling off, and thus reduce the oil output rate. At the same time, by setting this oil baffle 2, the structure of the first balance block 1 can be simplified and the cost of the first balance block 1 can be reduced. Further, the first balance block 1 is arc-shaped.
[0033] Furthermore, the mounting component 3 is a rivet, and the rivet head can be embedded in the oil baffle 2 to prevent the rivet from being disturbed and falling off.
[0034] Optionally, the second connecting surface 22 is provided with a plurality of first through holes 24, each corresponding to a plurality of support columns 23. Each support column 23 is provided with a mounting hole 231, and the first through holes 24 communicate with the mounting holes 231. The diameter of the first through hole 24 is larger than the diameter of the mounting hole 231, and the diameter of the other end of the mounting member 3 is smaller than the diameter of the first through hole 24, while the diameter of the other end of the mounting member 3 is larger than the diameter of the mounting hole 231, allowing the end face of the mounting member 3 to abut against the end face of the support column 23. Further, the diameter of the first through hole 24 is D, where 8.1 mm ≤ D ≤ 12 mm.
[0035] Optionally, the top of the wall of the first through hole 24 is chamfered so that the end of the mounting part 3 can be smoothly embedded into the oil baffle 2.
[0036] Optionally, the oil-blocking structure also includes a flange 4. A second through hole 25 is provided at the center of the oil-blocking plate 2. The wall of the second through hole 25 is connected to the flange 4. The height of the support column 23 is h2, and the height of the flange 4 is h1, where 0mm ≤ h2 - h1 < 2mm. Specifically, the first balance block 1 is installed on the iron core 6, and the flange 4 can reduce the distance between the iron core 6 and the oil-blocking plate 2, thereby reducing the oil output rate.
[0037] Furthermore, the oil baffle 2 and the flange 4 are integrally formed, which can improve the stability of the connection between the oil baffle 2 and the flange 4.
[0038] Optionally, the thickness of the oil baffle 2 is t, where 0.5mm≤t≤2mm. The oil baffle 2 is made of steel. The support column 23 and the oil baffle 2 are integrally formed in sheet metal form, which can improve the stability of the connection between the support column 23 and the oil baffle 2.
[0039] This utility model also provides a rotor assembly, which includes a second balance block 5 and an oil baffle structure as described in the above embodiment. The first balance block 1 and the second balance block 5 are respectively disposed at both ends of the iron core 6. The rotor assembly also includes other essential components that make up the rotor assembly in the prior art.
[0040] This utility model also provides a compressor, which includes a housing and a rotor assembly as described in the above embodiments. The rotor assembly is disposed inside the housing, and a motor is connected to the rotor assembly. The motor is used to drive the rotor assembly to work. The compressor also includes other essential components that make up a compressor in the prior art.
[0041] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.
Claims
1. An oil-blocking structure, characterized in that, include: The system comprises a first balance block (1), an oil baffle plate (2), several mounting parts (3), and an iron core (6). The first balance block (1) is disposed on a portion of the end face of the iron core (6). The oil baffle plate (2) is provided with a first connecting surface (21) and a second connecting surface (22). Several support columns (23) are spaced apart on the second connecting surface (22) so that when the first connecting surface (21) abuts against the end face of the first balance block (1), the several support columns (23) abut against the end face of the iron core (6). Several mounting parts (3) are provided in a one-to-one correspondence with several support columns (23). One end of the mounting part (3) can pass through the second connecting surface (22) and the support column (23) in sequence to connect with the iron core (6), and the other end of the mounting part (3) can be embedded in the support column (23).
2. The oil-blocking structure according to claim 1, characterized in that, The second connecting surface (22) is provided with a plurality of first through holes (24), and the plurality of first through holes (24) are provided in a one-to-one correspondence with a plurality of support columns (23). The support column (23) is provided with a mounting hole (231), and the first through holes (24) are connected to the mounting holes (231).
3. The oil-blocking structure according to claim 2, characterized in that, The diameter of the first through hole (24) is greater than the diameter of the mounting hole (231), the diameter of the other end of the mounting member (3) is less than the diameter of the first through hole (24), and the diameter of the other end of the mounting member (3) is greater than the diameter of the mounting hole (231).
4. The oil-blocking structure according to claim 2, characterized in that, The diameter of the first through hole (24) is D, where 8.1mm≤D≤12mm.
5. The oil-blocking structure according to claim 4, characterized in that, The oil-blocking structure also includes a flange (4), and the center of the oil-blocking plate (2) is provided with a second through hole (25). The wall of the second through hole (25) is connected to the flange (4). The height of the support column (23) is h2, and the height of the flange (4) is h1, wherein 0mm≤h2-h1<2mm.
6. The oil-blocking structure according to claim 5, characterized in that, The oil baffle (2) and the flange (4) are integrally formed.
7. An oil-blocking structure according to any one of claims 1-6, characterized in that, The thickness of the oil baffle (2) is t, where 0.5mm≤t≤2mm.
8. An oil-blocking structure according to any one of claims 1-6, characterized in that, The oil baffle (2) is made of steel, and the support column (23) and the oil baffle (2) are integrally formed by sheet metal stamping.
9. A rotor assembly, characterized in that, The rotor assembly further includes an oil baffle structure as described in any one of claims 1-8.
10. A compressor, characterized in that, The compressor includes a housing and a rotor assembly as described in claim 9.