CN220101816U - Compressor upper bearing with oil storage lubrication groove - Google Patents
Compressor upper bearing with oil storage lubrication groove Download PDFInfo
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- CN220101816U CN220101816U CN202321411914.8U CN202321411914U CN220101816U CN 220101816 U CN220101816 U CN 220101816U CN 202321411914 U CN202321411914 U CN 202321411914U CN 220101816 U CN220101816 U CN 220101816U
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- oil storage
- lubrication groove
- upper bearing
- compressor
- storage lubrication
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- 238000005461 lubrication Methods 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 83
- 238000000034 method Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a compressor upper bearing with an oil storage lubrication groove, and belongs to the technical field of refrigeration compressors. An oil storage lubrication groove is radially formed in the lower end face of the upper bearing of the compressor, and is positioned in a sliding vane reciprocating area; and the upper end surface of the upper bearing is provided with an oil inlet hole which is communicated with the oil storage lubrication groove. The upper bearing structure of the compressor can automatically provide continuous and reliable lubrication for the reciprocating motion of the sliding vane, the lubrication effect is not influenced by the position of the oil surface of the oil pool, the performance and stable operation of the compressor are effectively ensured, and the upper bearing structure of the compressor has good application prospect.
Description
Technical Field
The utility model belongs to the technical field of refrigeration compressors, and particularly relates to a compressor upper bearing with an oil storage lubrication groove.
Background
The structure form of the upper end face of the sliding vane is clearance fit with the upper end face of the upper bearing, and in order to ensure that the pump body of the compressor does not leak and leak in high and low pressure, the clearance is in the value of mu m level, and the clearance seal is by means of oil film seal. The lubricating oil between the upper end face of the sliding vane and the upper bearing end face is not directly supplied from an oil path, and is basically carried in by the reciprocating motion of the sliding vane.
When the oil level of the oil tank is above the upper end face of the sliding vane, the part of lubrication is immersed in the oil tank and can be brought in by the siphon phenomenon or the sliding vane movement through the gap, so that the movement is not problematic. However, when the oil level is lowered below the upper end face of the sliding vane, the upper bearing end face may be shoveled and damaged due to poor lubrication, and the high-pressure cavity and the low-pressure cavity of the compressor pump body may be poor in sealing due to poor oil film formation, so that internal leakage occurs, and further the problems of low capacity, unqualified energy efficiency ratio, high compressor power and the like of the compressor are caused.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide the upper bearing with the oil storage lubrication groove, which can provide continuous and reliable lubrication for the sliding vane of the compressor, avoid the abrasion of the end surface of the upper bearing caused by poor lubrication and ensure the performance and stable operation of the compressor.
The utility model is realized by the following technical scheme:
the utility model discloses a compressor upper bearing with an oil storage lubrication groove, which comprises an upper bearing lower end surface and an upper bearing upper end surface, wherein the oil storage lubrication groove is radially formed in the upper bearing lower end surface and is positioned in a sliding vane reciprocating area; and the upper end surface of the upper bearing is provided with an oil inlet hole which is communicated with the oil storage lubrication groove.
Preferably, two end face sealing belts are arranged between the lower end face of the upper bearing and the compressor cylinder, and the oil storage lubrication groove is arranged in an annular area formed by the two end face sealing belts.
Further preferably, the width of the end face seal tape is not less than 2mm.
Preferably, the depth of the oil storage lubrication groove is not less than 0.2mm.
Preferably, the center of the oil storage lubrication groove coincides with the center of the compressor slide groove.
Preferably, the width of the oil storage lubrication groove is 75% -95% of the width of the sliding vane groove of the compressor.
Preferably, the oil inlet hole is communicated with the outer end of the oil storage lubrication groove.
Preferably, both ends of the oil storage lubrication groove are arc-shaped.
Preferably, the edges of the oil storage lubrication groove are transition fillets.
Preferably, the diameter of the oil inlet hole is smaller than the width of the oil storage lubrication groove.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model discloses an upper bearing of a compressor with an oil storage lubrication groove, wherein the oil storage lubrication groove is formed in the lower end face of the upper bearing in the radial direction, an oil inlet hole communicated with the oil storage lubrication groove is formed in the upper end face of the upper bearing, and oil discharged from the upper end of the upper bearing flows into the oil storage lubrication groove from the oil inlet hole in the running process of the compressor to lubricate a sliding vane kinematic pair. The upper bearing structure of the compressor can automatically provide continuous and reliable lubrication for the reciprocating motion of the sliding vane, the lubrication effect is not influenced by the position of the oil surface of the oil pool, the performance and stable operation of the compressor are effectively ensured, and the upper bearing structure of the compressor has good application prospect.
Further, two end face sealing belts are arranged between the lower end face of the upper bearing and the compressor cylinder, and the oil storage lubrication groove is arranged in an annular area formed by the two end face sealing belts, so that the oil storage groove can be used for providing lubrication and sealed lubricating oil for sliding vane kinematic pair movement, and oil film sealing damage of the upper end face of the sliding vane can not be caused due to the arrangement of the oil storage groove.
Further, the depth of the oil storage lubrication groove is not smaller than 0.2mm, so that the oil stored in the oil storage groove can be ensured to sufficiently lubricate and seal the upper end face of the sliding vane.
Further, the center of the oil storage lubrication groove coincides with the center of the sliding vane groove of the compressor, so that the upper end face of the sliding vane can be uniformly lubricated and sealed.
Further, the width of the oil storage lubrication groove is 75% -95% of the width of the sliding vane groove of the compressor, so that the realization of a processable process of the oil storage lubrication groove is ensured, the upper surface of the sliding vane is fully lubricated, and the oil lubrication and sealing of the side surface of the sliding vane are not affected.
Further, the oil inlet hole is communicated with the outer end of the oil storage lubrication groove, and the oil storage lubrication groove is possibly located at the lower portion of the cavity of the exhaust cavity, so that the arrangement of the oil inlet hole is facilitated.
Further, the two ends of the oil storage lubrication groove are arc-shaped, so that the oil storage lubrication groove is convenient to process and shape.
Further, the edge of oil storage lubrication groove is the transition fillet, avoids causing the damage to the gleitbretter.
Drawings
FIG. 1 is a schematic view of a lower end surface of an upper bearing of a compressor with an oil storage lubrication groove of the present utility model;
fig. 2 is a schematic view of an upper end surface of an upper bearing of a compressor with an oil storage lubrication groove according to the present utility model.
In the figure: the oil storage lubrication groove is formed in the lower end face of the upper bearing, the oil storage lubrication groove is formed in the upper end face of the upper bearing, and the oil inlet hole is formed in the upper end face of the upper bearing.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings and specific examples, which are given by way of illustration of the utility model and not by way of limitation:
as shown in fig. 1 and 2, the upper bearing with the oil storage lubrication groove comprises an upper bearing lower end surface 1 and an upper bearing upper end surface 3, wherein the oil storage lubrication groove 2 is radially formed in the upper bearing lower end surface 1, and the oil storage lubrication groove 2 is positioned in a sliding vane reciprocating motion area; an oil inlet hole 4 is formed in the upper end face 3 of the upper bearing, and the oil inlet hole 4 is communicated with the oil storage lubrication groove 2.
In a preferred embodiment of the utility model, two end face sealing strips are arranged between the lower end face 1 of the upper bearing and the compressor cylinder, and the oil storage lubrication groove 2 is arranged in an annular area formed by the two end face sealing strips. Preferably, the width of the end face sealing tape is not less than 2mm.
In a preferred embodiment of the utility model, the depth of the oil storage lubrication groove 2 is not less than 0.2mm.
In a preferred embodiment of the utility model, the centre of the oil storage lubrication groove 2 coincides with the centre of the compressor slide groove.
In a preferred embodiment of the utility model, the width of the oil storage lubrication groove 2 is 75% -95% of the width of the sliding vane groove of the compressor.
In a preferred embodiment of the present utility model, the oil inlet hole 4 is communicated with the outer end of the oil storage lubrication groove 2.
In a preferred embodiment of the utility model, the two ends of the oil storage lubrication groove 2 are arc-shaped.
In a preferred embodiment of the utility model, the edges of the oil storage lubrication groove 2 are transition fillets.
In a preferred embodiment of the utility model, the diameter of the oil inlet opening 4 is smaller than the width of the oil reservoir 2.
The compressor upper bearing with the oil storage lubrication groove is characterized in that when in operation:
in the running process of the compressor, oil discharged from the upper end of the upper bearing flows into the oil storage lubrication groove 2 from the oil inlet hole to lubricate the sliding vane kinematic pair.
The utility model is further illustrated by the following specific examples:
in this embodiment, an oil storage lubrication groove 2 with a width of 2.5mm and a depth of 0.25mm is formed in the lower end face 1 of the upper bearing of the rotor compressor of the refrigeration compressor, the front part (near the inner end of the cylinder) of the oil storage lubrication groove 2 is not communicated with the cavity of the pump body, and the rear end (near the outer end of the cylinder) is not communicated with the cavity of the compressor. And an oil inlet hole 4 with the diameter of 2.5mm is arranged on the upper end surface 3 of the upper bearing, and the oil inlet hole 4 is communicated with the outer end of the oil storage lubrication groove 2. The center of the oil storage lubrication groove 2 coincides with the center of the sliding vane groove of the compressor, and the width is 2.5mm and is slightly smaller than the groove width of the sliding vane by 3.2mm. Meanwhile, two end face sealing belts are arranged between the lower end face 1 of the upper bearing and the compressor cylinder, and the oil storage lubrication groove 2 is arranged in an annular area formed by the two end face sealing belts, wherein the width of the end face sealing belts is 3mm.
The foregoing is only a part of the embodiments of the present utility model, and although some terms are used in the present utility model, the use of other terms is not excluded. These terms are used merely for convenience of description and to explain the nature of the utility model and are to be construed as any additional limitations that are not intended to depart from the spirit of the utility model. The foregoing description of the utility model is provided by way of example only to facilitate easy understanding, but is not intended to limit the scope of the utility model to any particular embodiment or embodiment, and is to be construed as being limited thereto.
Claims (10)
1. The compressor upper bearing with the oil storage lubrication groove comprises an upper bearing lower end surface (1) and an upper bearing upper end surface (3), and is characterized in that the oil storage lubrication groove (2) is formed in the upper bearing lower end surface (1) along the radial direction, and the oil storage lubrication groove (2) is positioned in a sliding vane reciprocating motion area; an oil inlet hole (4) is formed in the upper end face (3) of the upper bearing, and the oil inlet hole (4) is communicated with the oil storage lubrication groove (2).
2. The upper bearing with the oil storage lubrication groove of claim 1, wherein two end face sealing belts are arranged between the lower end face (1) of the upper bearing and a compressor cylinder, and the oil storage lubrication groove (2) is arranged in an annular area formed by the two end face sealing belts.
3. The compressor upper bearing with an oil storage lubrication groove according to claim 2, wherein the width of the end face seal strip is not less than 2mm.
4. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the depth of the oil storage lubrication groove (2) is not less than 0.2mm.
5. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the centre of the oil storage lubrication groove (2) coincides with the centre of the compressor slide groove.
6. The compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the width of the oil storage lubrication groove (2) is 75% -95% of the width of the compressor slide groove.
7. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the oil inlet hole (4) is through with the outer end of the oil storage lubrication groove (2).
8. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the two ends of the oil storage lubrication groove (2) are arc-shaped.
9. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the edges of the oil storage lubrication groove (2) are transition fillets.
10. Compressor upper bearing with oil storage lubrication groove according to claim 1, characterized in that the diameter of the oil inlet hole (4) is smaller than the width of the oil storage lubrication groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411914.8U CN220101816U (en) | 2023-06-05 | 2023-06-05 | Compressor upper bearing with oil storage lubrication groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411914.8U CN220101816U (en) | 2023-06-05 | 2023-06-05 | Compressor upper bearing with oil storage lubrication groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101816U true CN220101816U (en) | 2023-11-28 |
Family
ID=88863979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411914.8U Active CN220101816U (en) | 2023-06-05 | 2023-06-05 | Compressor upper bearing with oil storage lubrication groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101816U (en) |
-
2023
- 2023-06-05 CN CN202321411914.8U patent/CN220101816U/en active Active
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