CN220955971U - Bearing wear-resistant ring of electric compressor and electric compressor using wear-resistant ring - Google Patents
Bearing wear-resistant ring of electric compressor and electric compressor using wear-resistant ring Download PDFInfo
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- CN220955971U CN220955971U CN202322621259.5U CN202322621259U CN220955971U CN 220955971 U CN220955971 U CN 220955971U CN 202322621259 U CN202322621259 U CN 202322621259U CN 220955971 U CN220955971 U CN 220955971U
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- Prior art keywords
- wear
- bearing
- ring
- resistant ring
- groove
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- 239000000463 material Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 29
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric compressor bearing wear-resistant ring and an electric compressor using the same, wherein the electric compressor bearing wear-resistant ring comprises a wear-resistant ring with an annular structure, the wear-resistant ring is provided with a central hole which is sleeved on a main shaft of the electric compressor, the wear-resistant ring is arranged between a main support bearing and a bearing support disc, two side surfaces of the wear-resistant ring are respectively contacted with an inner ring of the main support bearing and an inner side surface of the bearing support disc, and the side surface of the wear-resistant ring contacted with the main support bearing is provided with an oil guide groove. The electric compressor adopts the cylindrical roller bearing as the main support bearing, can meet the working condition requirements of large discharge capacity and high rotation speed, improves the load capacity of the compressor, and in order to prevent the axial movement of the cylindrical roller bearing, an annular mounting groove is formed in a bearing support disc, and a wear-resisting ring is arranged in the annular mounting groove to serve as a support ring of the cylindrical roller bearing, so that the axial movement of the cylindrical roller bearing is effectively prevented, and the stable operation of the compressor is ensured.
Description
Technical Field
The utility model relates to an electric compressor bearing wear-resistant ring and an electric compressor using the wear-resistant ring, and belongs to the technical field of electric compressors.
Background
The electric compressor is a compressor commonly used in the current automobile air conditioner, as shown in fig. 1, a main supporting bearing on a main shaft of the compressor is a deep groove ball bearing, the deep groove ball bearing is arranged in a bearing supporting disc, and the deep groove ball bearing is provided with a retainer ring, so that bidirectional axial limiting can be realized, and the condition of axial movement cannot occur in the running process of the compressor. The deep groove ball bearing has limited bearing capacity, so that the bearing is only suitable for compressors with low rotation speed and small displacement. And the steel retainer ring on the deep groove ball bearing can increase the noise when the compressor operates.
Along with the development of electric motor car fast-charging, the demand to the compressor also moves towards the direction of big discharge capacity, high rotational speed, and big discharge capacity, high rotational speed also mean that the demand of bearing is higher, therefore the main support bearing among the big discharge capacity, high rotational speed compressor can adopt the cylinder roller bearing that bearing capacity is stronger, but cylinder roller bearing can not realize two-way axial spacing, must increase auxiliary parts on cylinder roller bearing and bearing supporting disk and carry out spacing, but the prior art does not have one and is used for the spacing part of main support bearing on the electric motor compressor main shaft specially, consequently restricted the development of compressor.
Disclosure of utility model
The utility model aims to provide an electric compressor bearing wear-resistant ring and an electric compressor using the wear-resistant ring, which are used for solving the problem that a main support bearing limiting part special for a large-displacement high-rotation-speed electric compressor is lacked in the prior art.
The motor compressor bearing wear-resistant ring adopts the following technical scheme: the utility model provides an electric compressor bearing wear ring, its includes the wear ring of annular structure, and the wear ring has the centre bore that is used for the cover to establish on electric compressor main shaft, and the wear ring is used for installing between main support bearing and bearing support dish, and the both sides face of wear ring respectively with the inner circle of main support bearing and the medial surface contact of bearing support dish, be equipped with the oil guide groove on the side of wear ring and main support bearing contact.
The oil guide groove is an open groove formed in the outer edge of the wear-resistant ring, the open groove is of a structure with one side open, and one side of the open groove opening is flush with the outer edge of the wear-resistant ring.
The oil guide grooves are uniformly distributed at the outer edge of the wear-resistant ring.
The wear-resistant ring is made of PPS material.
The motor-driven compressor adopts the following technical scheme: the utility model provides an electric compressor, includes main shaft and installs bearing support dish and the main tributary bearing in main shaft one end, the main tributary bearing is cylindrical roller bearing, set up annular mounting groove on the medial surface that the bearing support dish contacted with the main tributary bearing, install the wear ring in the annular mounting groove, the wear ring has the centre bore that is used for the cover to establish on the main shaft, and the wear ring cover is established and is located between main tributary bearing and the bearing support dish after on the main shaft, and the both sides face of wear ring contacts with the inner circle and the bearing support dish of main tributary bearing respectively, be equipped with the oil guide groove on the side that the wear ring contacted with the main tributary bearing.
The bearing support disc is located the annular mounting groove outside and is equipped with annular oil groove, and annular oil groove is located between the outer lane and the inner circle of main support bearing, has the step face between annular oil groove and the annular mounting groove, wear-resisting ring's thickness equals the sum of annular oil groove and annular mounting groove's degree of depth.
The oil guide groove is an open groove formed in the outer edge of the wear-resistant ring, the open groove is of a structure with one side open, and one side of the open groove opening is flush with the outer edge of the wear-resistant ring.
The oil guide grooves are uniformly distributed at the outer edge of the wear-resistant ring.
The wear-resistant ring is made of PPS material.
The beneficial effects of the utility model are as follows: the electric compressor adopts the cylindrical roller bearing as the main support bearing, can meet the working condition requirements of large discharge capacity and high rotation speed, improves the load capacity of the compressor, and in order to prevent the axial movement of the cylindrical roller bearing, an annular mounting groove is formed in a bearing support disc, and a wear-resisting ring is arranged in the annular mounting groove to serve as a support ring of the cylindrical roller bearing, so that the axial movement of the cylindrical roller bearing is effectively prevented, and the stable operation of the compressor is ensured.
Preferably, an annular oil groove is formed in the bearing supporting disc, the position of the annular oil groove corresponds to that of a cylindrical roller of the cylindrical roller bearing, lubricating oil can be led into the cylindrical roller bearing, and a lubricating effect is achieved inside the bearing.
Preferably, the oil guide groove is additionally arranged on the wear-resistant ring, so that lubricating oil stored in the bearing support disc is favorably guided into the friction surface, and the noise of the compressor can be reduced while the service life of parts is prolonged due to sufficient lubrication.
Preferably, the oil guide grooves are uniformly distributed on the wear-resistant ring, so that lubrication is more uniform, and the lubrication effect is better.
Preferably, the wear-resistant ring of the PPS material is moderate in hardness and wear-resistant, and compared with a steel check ring on a deep groove ball bearing, the high-frequency noise can be effectively reduced.
Drawings
FIG. 1 is a partial view of a prior art motor-driven compressor at a main shaft;
FIG. 2 is a partial view of an electric compressor at a main shaft according to one embodiment of the present utility model;
Fig. 3 is a schematic view of the wear ring of fig. 2.
In the figure: the device comprises a main shaft, a 2-bearing supporting disc, a 2.1-annular mounting groove, a 2.2-annular oil groove, a 3-main supporting bearing, a 4-wear-resistant ring and a 4.1-oil guiding groove.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
The structure of the bearing wear-resistant ring of the electric compressor of one embodiment of the utility model is shown in fig. 3, an assembly schematic diagram of the bearing wear-resistant ring of the electric compressor is shown in fig. 2, the bearing wear-resistant ring of the electric compressor of the embodiment comprises a wear-resistant ring 4 with an annular structure, the wear-resistant ring 4 is provided with a central hole for being sleeved on a main shaft 1 of the electric compressor, the wear-resistant ring 4 is used for being installed between a main support bearing 3 and a bearing support disc 2, two side surfaces of the wear-resistant ring 4 are respectively contacted with an inner ring of the main support bearing 3 and an inner side surface of the bearing support disc 2, and an oil guide groove 4.1 is arranged on the side surface of the wear-resistant ring 4 contacted with the main support bearing 3. The oil guide groove 4.1 is an open groove formed in the outer edge of the wear-resistant ring 4, the open groove is of a structure with one side open, and one side of the open groove open is flush with the outer edge of the wear-resistant ring 4. The oil guide grooves 4.1 are uniformly distributed at the outer edge of the wear-resistant ring. The wear-resistant ring 4 is made of PPS material.
The electric compressor of an embodiment of the utility model shown in fig. 2 comprises a main shaft 1, a bearing support disc 2 and a main bearing 3 which are arranged at one end of the main shaft 1, wherein the main bearing 3 is a cylindrical roller bearing, an annular mounting groove 2.1 is formed in the inner side surface of the bearing support disc 2, which is in contact with the main bearing 3, a wear-resisting ring 4 is arranged in the annular mounting groove 2.1, the wear-resisting ring 4 is provided with a central hole for being sleeved on the main shaft 1, the wear-resisting ring 4 is sleeved on the main shaft and then is positioned between the main bearing 3 and the bearing support disc 2, two side surfaces of the wear-resisting ring 4 are respectively in contact with an inner ring of the main bearing 3 and the bearing support disc 2, and an oil guide groove 4.1 is formed in the side surface of the wear-resisting ring 4, which is in contact with the main bearing.
The bearing support plate 2 is located the annular mounting groove 2.1 outside and is equipped with annular oil groove 2.2, and annular oil groove 2.2 is located between the outer lane and the inner circle of main support bearing 3, has the step face between annular oil groove 2.2 and the annular mounting groove 2.1, the thickness of wear-resisting ring 4 equals the sum of annular oil groove 2.2 and annular mounting groove 2.1's degree of depth.
As shown in fig. 3, the oil guiding groove 4.1 is an open groove formed at the outer edge of the wear-resistant ring 4, the open groove is of a structure with one side open, and one side of the open groove open is flush with the outer edge of the wear-resistant ring 4. The oil guiding grooves 4.1 are uniformly distributed at the outer edge of the wear-resistant ring 4. The wear-resistant ring 4 is made of PPS material.
The electric compressor of this embodiment adopts cylindrical roller bearing as main support bearing, is fit for the operating mode requirement at big discharge capacity, high rotational speed, has improved the bearing capacity of compressor, in order to prevent cylindrical roller bearing axial float, sets up annular mounting groove in the bearing supporting disk to install the wear ring in annular mounting groove, the design of wear ring effectually has prevented the axial float of roller bearing and has guaranteed that the compressor operates steadily. The wear-resisting ring is used as an added auxiliary part, the auxiliary part abandons a steel limiting retainer ring on the deep groove ball bearing in the prior art, and the wear-resisting ring is made of a PPS material which is wear-resisting and different from the bearing material, so that the noise is favorably improved. And open on the wear-resisting ring and lead the oil groove, effectually lubricate the friction surface, great extension part life has reduced the NVH numerical value of vehicle.
Meanwhile, the compressor of the embodiment is further provided with the annular oil groove on the bearing supporting disc, the position of the annular oil groove corresponds to the cylindrical roller of the cylindrical roller bearing, lubricating oil can be led into the cylindrical roller bearing, and the bearing is lubricated.
The foregoing embodiments and description have been provided for the purpose of illustrating the principles of the present utility model and are subject to various changes and modifications without departing from the spirit and scope of the utility model as hereinafter claimed.
Claims (9)
1. An electric compressor bearing wear ring, characterized in that: the wear-resistant ring is provided with a central hole which is sleeved on a main shaft of the electric compressor, the wear-resistant ring is arranged between a main support bearing and a bearing support disc, two side faces of the wear-resistant ring are respectively contacted with an inner ring of the main support bearing and an inner side face of the bearing support disc, and an oil guide groove is arranged on the side face of the wear-resistant ring contacted with the main support bearing.
2. The motor compressor bearing wear ring of claim 1, wherein: the oil guide groove is an open groove formed in the outer edge of the wear-resistant ring, the open groove is of a structure with one side open, and one side of the open groove opening is flush with the outer edge of the wear-resistant ring.
3. The motor compressor bearing wear ring of claim 2, wherein: the oil guide grooves are uniformly distributed at the outer edge of the wear-resistant ring.
4. The motor compressor bearing wear ring of claim 1, wherein: the wear-resistant ring is made of PPS material.
5. The utility model provides an electric compressor, includes main shaft and installs bearing support dish and main tributary supporting bearing in main shaft one end, its characterized in that: the main support bearing is a cylindrical roller bearing, an annular mounting groove is formed in the inner side face, in contact with the main support bearing, of the bearing support disc, a wear-resisting ring is mounted in the annular mounting groove and provided with a central hole used for being sleeved on the main shaft, the wear-resisting ring is sleeved on the main shaft and then positioned between the main support bearing and the bearing support disc, two side faces of the wear-resisting ring are respectively in contact with the inner ring of the main support bearing and the bearing support disc, and an oil guide groove is formed in the side face, in contact with the main support bearing, of the wear-resisting ring.
6. The motor-driven compressor according to claim 5, wherein: the bearing support disc is located the annular mounting groove outside and is equipped with annular oil groove, and annular oil groove is located between the outer lane and the inner circle of main support bearing, has the step face between annular oil groove and the annular mounting groove, wear-resisting ring's thickness equals the sum of annular oil groove and annular mounting groove's degree of depth.
7. The motor-driven compressor according to claim 5, wherein: the oil guide groove is an open groove formed in the outer edge of the wear-resistant ring, the open groove is of a structure with one side open, and one side of the open groove opening is flush with the outer edge of the wear-resistant ring.
8. The motor-driven compressor according to claim 7, wherein: the oil guide grooves are uniformly distributed at the outer edge of the wear-resistant ring.
9. The motor-driven compressor according to claim 5, wherein: the wear-resistant ring is made of PPS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621259.5U CN220955971U (en) | 2023-09-26 | 2023-09-26 | Bearing wear-resistant ring of electric compressor and electric compressor using wear-resistant ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621259.5U CN220955971U (en) | 2023-09-26 | 2023-09-26 | Bearing wear-resistant ring of electric compressor and electric compressor using wear-resistant ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955971U true CN220955971U (en) | 2024-05-14 |
Family
ID=91011901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322621259.5U Active CN220955971U (en) | 2023-09-26 | 2023-09-26 | Bearing wear-resistant ring of electric compressor and electric compressor using wear-resistant ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955971U (en) |
-
2023
- 2023-09-26 CN CN202322621259.5U patent/CN220955971U/en active Active
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