CN204312350U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN204312350U CN204312350U CN201420775013.1U CN201420775013U CN204312350U CN 204312350 U CN204312350 U CN 204312350U CN 201420775013 U CN201420775013 U CN 201420775013U CN 204312350 U CN204312350 U CN 204312350U
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- China
- Prior art keywords
- oil
- oil guide
- slide plate
- rotary compressor
- main bearing
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Abstract
The utility model discloses a kind of rotary compressor, comprise: housing and the compressing mechanism be located in housing, compressing mechanism comprises main bearing, cylinder, supplementary bearing, bent axle, piston and slide plate, cylinder is formed with vane slot, the inner of slide plate and the periphery wall of piston only support, bent axle is formed with the center oilhole be communicated with oil sump, wherein main bearing is formed with Oil Guide passage, Oil Guide passage has filler opening and oil outlet, filler opening is communicated with center oilhole, and oil outlet is communicated with the lubricant oil in oil sump is delivered to vane slot and lubricates slide plate with vane slot.According to rotary compressor of the present utility model, by arranging Oil Guide passage on main bearing, and make the oil outlet of Oil Guide passage be communicated with to be delivered to by lubricant oil in vane slot with vane slot and lubricate slide plate, effectively can improve the lubrication state of slide plate thus, reduce the wearing and tearing of slide plate, improve the reliability of slide plate, improve the sealing effect between slide plate and vane slot.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, specifically, and particularly a kind of rotary compressor.
Background technique
In correlation technique, the slide plate in the compressing mechanism of rotary compressor does linear reciprocating motion along cylinder vane slot under the effect of spring force and gas force.Smooth and easy in order to allow slide plate move in vane slot, normally slide plate thickness gauge scale value is less than vane slot width, and slide plate and vane slot gap are lubricated and seal action to play by lubricant oil.Under usual conditions, when compressor is in specified running, stable state pasta is positioned at below cylinder centerline.Therefore, the slide plate part being arranged in below cylinder centerline is immersed in oil sump, and partial denudation more than cylinder centerline is outside oil sump, the lubrication ratio top of slide plate bottom is abundant, thus the situation that Leakage Gas or abrasion increase likely appears in top because of lack of lubrication, thus affect the Performance And Reliability of compressor.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model is to propose a kind of rotary compressor, and described rotary compressor has the advantage that usability is good, reliability is high.
According to a kind of rotary compressor that the utility model provides, comprising: housing, in described housing, there is oil sump, and compressing mechanism, described compressing mechanism is located in described housing, described compressing mechanism comprises main bearing, cylinder, supplementary bearing, bent axle, piston and slide plate, described main bearing is located at the top of described cylinder, and described supplementary bearing is located at the bottom of described cylinder, described main bearing, compression chamber is limited between described supplementary bearing and described cylinder, described bent axle runs through described main bearing, described cylinder and described supplementary bearing, described bent axle has eccentric part, described eccentric part is positioned at described compression chamber, described piston sleeve is located on described eccentric part, described cylinder is formed with the radial vane slot extended, described slide plate is located in described vane slot movably, and the periphery wall of the inner of described slide plate and described piston only supports, described bent axle is formed with the center oilhole be communicated with described oil sump, wherein said main bearing is formed with Oil Guide passage, described Oil Guide passage has filler opening and oil outlet, described filler opening is communicated with described center oilhole, and described oil outlet is communicated with the lubricant oil in described oil sump is delivered to described vane slot and lubricates described slide plate with described vane slot.
According to rotary compressor of the present utility model, by arranging Oil Guide passage on main bearing, and make the oil outlet of Oil Guide passage be communicated with to be delivered to by lubricant oil in vane slot with vane slot and lubricate slide plate, thus, effectively can improve the lubrication state of slide plate, reduce the wearing and tearing of slide plate, improve the reliability of slide plate, improve the sealing effect between slide plate and vane slot, and then promote performance and the working stability of rotary compressor.
In an embodiment of the present utility model, the upper-end surface of described eccentric part, limit the oil pocket be communicated with described center oilhole between described piston and the lower surface of described main bearing, wherein said filler opening is communicated with described oil pocket.
In an embodiment of the present utility model, described Oil Guide passage comprises the first Oil Guide section and the second Oil Guide section that are connected with each other, one end away from described second Oil Guide section of described first Oil Guide section is described filler opening, described second Oil Guide section is formed with described oil outlet, and the cross-section area of wherein said second Oil Guide section is greater than the cross-section area of described first Oil Guide section.
Preferably, described Oil Guide passage extends along the radial direction of described main bearing.
In an embodiment of the present utility model, the periphery wall of described main bearing is run through in one end away from described first Oil Guide section of described second Oil Guide section, is provided with sealing plug and flows out from the outer end of described Oil Guide passage to prevent the lubricant oil in described Oil Guide passage in described one end of wherein said second Oil Guide section.
In an embodiment of the present utility model, described filler opening is circular, and the diameter of described filler opening is d, and described d meets: 0 < d≤6mm.
In an embodiment of the present utility model, described oil outlet is circular, and the diameter of described oil outlet is D, and described D meets: 0 < D≤10mm.
In embodiments more of the present utility model, rotary compressor comprises further: oil storage tank, and described oil storage tank is formed at least one in described main bearing and described cylinder, and described oil storage tank is communicated with described vane slot with described oil outlet respectively.
Preferably, described oil storage tank extends along the circumference of at least one described in described main bearing and described cylinder.
Alternatively, on the cross section of described cylinder, the overlapping with described oil storage tank at least partly of described oil outlet.
In an embodiment of the present utility model, the degree of depth of described oil storage tank is h, and described h meets: 0 < h≤10mm.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the partial schematic sectional view of the rotary compressor according to an embodiment of the present utility model, and wherein oil storage tank is formed on cylinder;
Fig. 2 is the partial structurtes schematic diagram of the rotary compressor in Fig. 1;
Fig. 3 is another sectional drawing of the rotary compressor in Fig. 1;
Fig. 4 is another sectional drawing of the rotary compressor in Fig. 1;
Fig. 5 is the partial schematic sectional view of the rotary compressor according to another embodiment of the present utility model, and wherein oil storage tank is formed on main bearing;
Fig. 6 is the partial structurtes schematic diagram of the rotary compressor in Fig. 5;
Fig. 7 is another sectional drawing of the rotary compressor in Fig. 5.
Reference character:
Rotary compressor 100,
Housing 110,
Main bearing 121, cylinder 122, vane slot 1221, supplementary bearing 123,
Bent axle 124, eccentric part 1241, center oilhole 1242, piston 125,
Oil Guide passage 126, filler opening 1261, oil outlet 1262, oil pocket 1263,
First Oil Guide section 1264, second Oil Guide section 1265, sealing plug 1266,
Oil storage tank 130.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The rotary compressor 100 according to the utility model embodiment is described in detail below with reference to Fig. 1-Fig. 7.
As shown in Fig. 1-Fig. 7, according to the rotary compressor 100 of the utility model embodiment, comprising: housing 110 and compressing mechanism.
Specifically, compressing mechanism is located in housing 110, and compressing mechanism can comprise main bearing 121, cylinder 122, supplementary bearing 123, bent axle 124, piston 125 and slide plate (scheming not shown).Main bearing 121 is located at the top of cylinder 122, and supplementary bearing 123 is located at the bottom of cylinder 122, and such as shown in Figure 1, main bearing 121 is located at the top of cylinder 122, and supplementary bearing 123 is located at the bottom of cylinder 122.Main bearing 121, between supplementary bearing 123 and cylinder 122, limit compression chamber, bent axle 124 runs through main bearing 121, cylinder 122 and supplementary bearing 123, bent axle 124 has eccentric part 1241, eccentric part 1241 is positioned at compression chamber, piston 125 is set on eccentric part 1241, cylinder 122 is formed with the radial vane slot 1221 extended, slide plate is located in vane slot 1221 movably, and the periphery wall of the inner of slide plate and piston 125 only supports.In other words, the radially inner side end of slide plate and the radial outside end of piston 125 only support.
There is in housing 110 oil sump (scheming not shown) for holding lubricant oil, bent axle 124 is formed with the center oilhole 1242 be communicated with oil sump, main bearing 121 is formed with Oil Guide passage 126, Oil Guide passage 126 has filler opening 1261 and oil outlet 1262, filler opening 1261 is communicated with center oilhole 1242, and oil outlet 1262 is communicated with the lubricant oil in oil sump is delivered to vane slot 1221 and lubricates slide plate with vane slot 1221.Thus, lubricant oil in oil sump can enter in Oil Guide passage 126 by the filler opening 1261 of the center oilhole 1242 on bent axle 124, Oil Guide passage 126, flow out in vane slot 1221, to lubricate slide plate by the oil outlet 1262 of Oil Guide passage 126 again.Thus, the lubrication state of slide plate can be improved, reduce the wearing and tearing of slide plate, improve the sealing effect between slide plate and vane slot 1221.
According to the rotary compressor 100 of the utility model embodiment, by arranging Oil Guide passage 126 on main bearing 121, and make that the filler opening 1261 of Oil Guide passage 126 is communicated with center oilhole 1242, the oil outlet 1262 of Oil Guide passage 126 is communicated with to be delivered to by lubricant oil in vane slot 1221 and lubricates slide plate with vane slot 1221, thus, effectively can improve the lubrication state of slide plate, reduce the wearing and tearing of slide plate, improve the reliability of slide plate.Meanwhile, also can improve the sealing effect between slide plate and vane slot 1221, promote usability and the working stability of rotary compressor 100.
As shown in Fig. 1-Fig. 7, according to an embodiment of the present utility model, the upper-end surface of eccentric part 1241, limit the oil pocket 1263 be communicated with center oilhole 1242 between piston 125 and the lower surface of main bearing 121, wherein filler opening 1261 is communicated with oil pocket 1263.That is, the lubricant oil entered in center oilhole 1242 first flow in oil pocket 1263, then is flow in Oil Guide passage 126 by filler opening 1261.Certainly, for simplifying the structure of Oil Guide passage 126, the filler opening 1261 of Oil Guide passage 126 directly can be communicated with center oilhole 1242.For convenience of processing, as shown in Figure 3, Oil Guide passage 126 extends along the radial direction of main bearing 121.Alternatively, as shown in Figure 4, filler opening 1261 can be circular, and the diameter of filler opening 1261 is d, d meets: 0 < d≤6mm; Oil outlet 1262 also can be circular, and the diameter of oil outlet 1262 is D, D meets: 0 < D≤10mm.Thus, not only convenient processing, but also lubricant oil can be made successfully can be entered in Oil Guide passage 126 by filler opening 1261, and successfully flowed out by oil outlet 1262.
Further, rotary compressor 100 can also comprise: oil storage tank 130.Wherein, oil storage tank 130 is formed at least one in main bearing 121 and cylinder 122, and oil storage tank 130 is communicated with vane slot 1221 with oil outlet 1262 respectively.Thus, lubricant oil can be stored in oil storage tank 130, to improve the lubrication state of slide plate, reduce the wearing and tearing of slide plate, improve the sealing effect between slide plate and vane slot 1221.Such as, as shown in Figure 1-Figure 3, oil storage tank 130 is formed on cylinder 122, and oil storage tank 130 extends along cylinder 122 circumferential direction; For another example, as shown in Figure 5-Figure 7, oil storage tank 130 can also be formed on main bearing 121, and oil storage tank 130 extends along main bearing 121 circumferential direction.Thus, the structure of compressing mechanism can be simplified further.
Flow in oil storage tank 130 for convenience of the lubricant oil in Oil Guide passage 126, on the cross section of cylinder 122, the overlapping with oil storage tank 130 at least partly of oil outlet 1262.Further, as shown in Figure 2 and Figure 6, the degree of depth of oil storage tank 130 can be that h, h meet: 0 < h≤10mm.Thus, can make, in vane slot 1221, there is enough lubricant oil, and then there is around slide plate abundant lubricant oil, thus the lubrication effect between slide plate and vane slot 1221 can be improved, also can ensure the sealing effect between slide plate and vane slot 1221 simultaneously.
Further, as shown in Figure 2 and Figure 6, Oil Guide passage 126 comprises the first Oil Guide section 1264 and the second Oil Guide section 1265 be connected with each other, one end away from the second Oil Guide section 1265 of first Oil Guide section 1264 is filler opening 1261, second Oil Guide section 1265 is formed with oil outlet 1262, and wherein the cross-section area of the second Oil Guide section 1265 is greater than the cross-section area of the first Oil Guide section 1264.Thus, lubricant oil can successfully flow to the second Oil Guide section 1265 by the first Oil Guide section 1264, and then flow in vane slot 1221 from oil outlet 1262.Preferably, the first Oil Guide section 1264 and the second Oil Guide section 1265 all extend along the radial direction of main bearing 121.In addition, for convenience of processing, as shown in Figure 2 and Figure 6, the periphery wall of main bearing 121 is run through in one end away from the first Oil Guide section 1264 of second Oil Guide section 1265, is provided with sealing plug 1266 and flows out from the outer end of Oil Guide passage 126 to prevent the lubricant oil in Oil Guide passage 126 in one end of wherein the second Oil Guide section 1265.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. a rotary compressor, is characterized in that, comprising:
Housing, has oil sump in described housing; With
Compressing mechanism, described compressing mechanism is located in described housing, described compressing mechanism comprises main bearing, cylinder, supplementary bearing, bent axle, piston and slide plate, described main bearing is located at the top of described cylinder, and described supplementary bearing is located at the bottom of described cylinder, described main bearing, compression chamber is limited between described supplementary bearing and described cylinder, described bent axle runs through described main bearing, described cylinder and described supplementary bearing, described bent axle has eccentric part, described eccentric part is positioned at described compression chamber, described piston sleeve is located on described eccentric part, described cylinder is formed with the radial vane slot extended, described slide plate is located in described vane slot movably, and the periphery wall of the inner of described slide plate and described piston only supports, described bent axle is formed with the center oilhole be communicated with described oil sump, wherein said main bearing is formed with Oil Guide passage, described Oil Guide passage has filler opening and oil outlet, described filler opening is communicated with described center oilhole, and described oil outlet is communicated with the lubricant oil in described oil sump is delivered to described vane slot and lubricates described slide plate with described vane slot.
2. rotary compressor according to claim 1, is characterized in that, the upper-end surface of described eccentric part, limits the oil pocket be communicated with described center oilhole between described piston and the lower surface of described main bearing, and wherein said filler opening is communicated with described oil pocket.
3. rotary compressor according to claim 2, it is characterized in that, described Oil Guide passage comprises the first Oil Guide section and the second Oil Guide section that are connected with each other, one end away from described second Oil Guide section of described first Oil Guide section is described filler opening, described second Oil Guide section is formed with described oil outlet, and the cross-section area of wherein said second Oil Guide section is greater than the cross-section area of described first Oil Guide section.
4. rotary compressor according to claim 3, is characterized in that, described Oil Guide passage extends along the radial direction of described main bearing.
5. rotary compressor according to claim 4, it is characterized in that, the periphery wall of described main bearing is run through in one end away from described first Oil Guide section of described second Oil Guide section, is provided with sealing plug and flows out from the outer end of described Oil Guide passage to prevent the lubricant oil in described Oil Guide passage in described one end of wherein said second Oil Guide section.
6. rotary compressor according to claim 1, is characterized in that, described filler opening is circular, and the diameter of described filler opening is d, and described d meets: 0 < d≤6mm.
7. rotary compressor according to claim 1, is characterized in that, described oil outlet is circular, and the diameter of described oil outlet is D, and described D meets: 0 < D≤10mm.
8. the rotary compressor according to any one of claim 1-7, is characterized in that, comprises further:
Oil storage tank, described oil storage tank is formed at least one in described main bearing and described cylinder, and described oil storage tank is communicated with described vane slot with described oil outlet respectively.
9. rotary compressor according to claim 8, is characterized in that, described oil storage tank extends along the circumference of at least one described in described main bearing and described cylinder.
10. rotary compressor according to claim 8, is characterized in that, on the cross section of described cylinder, the overlapping with described oil storage tank at least partly of described oil outlet.
11. rotary compressors according to claim 8, is characterized in that, the degree of depth of described oil storage tank is h, and described h meets: 0 < h≤10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775013.1U CN204312350U (en) | 2014-12-09 | 2014-12-09 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775013.1U CN204312350U (en) | 2014-12-09 | 2014-12-09 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312350U true CN204312350U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420775013.1U Expired - Fee Related CN204312350U (en) | 2014-12-09 | 2014-12-09 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481883A (en) * | 2014-12-09 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN105065280A (en) * | 2015-08-24 | 2015-11-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2014
- 2014-12-09 CN CN201420775013.1U patent/CN204312350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481883A (en) * | 2014-12-09 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN105065280A (en) * | 2015-08-24 | 2015-11-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20191209 |