CN212690270U - Oil scraping structure of piston compressor - Google Patents
Oil scraping structure of piston compressor Download PDFInfo
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- CN212690270U CN212690270U CN202021445541.2U CN202021445541U CN212690270U CN 212690270 U CN212690270 U CN 212690270U CN 202021445541 U CN202021445541 U CN 202021445541U CN 212690270 U CN212690270 U CN 212690270U
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Abstract
The utility model discloses a piston compressor's frizing structure, including frizing chamber main part, be provided with main oil scraper ring and inferior oil scraper ring in the frizing chamber main part, the centre of main oil scraper ring and inferior oil scraper ring is provided with frizing chamber baffle, and main oil scraper ring outer wall is provided with the spring, and the one end welding of spring has the spacing ring, and the outer wall welding of spacing ring has the connecting rod, and the one end of connecting rod welds in the inner wall of frizing chamber main part, and one side of frizing chamber main part is provided with wiper mechanism. The utility model discloses a setting up spring and spacing ring and can making main oil scraper ring carry out certain range's removal along with the motion of piston rod, improved the frizing time of main frizing ring to the piston rod, caused the hindrance effect to 1 motion of piston rod when having avoided main oil scraper ring frizing, adopt elastic connection, make the effect of frizing reach the best, can wash the piston rod surface after the frizing through setting up the cleaning ring, make the surface of piston rod cleaner, realize frizing and abluent integration.
Description
Technical Field
The utility model relates to a compressor technical field especially relates to a piston compressor's frizing structure.
Background
In the prior art, the oil wiper is one of the core components of the reciprocating piston compressor, which is an important component for preventing the cross head side lubricating oil from entering the packing and the cylinder along the piston rod, and the basic requirement is to make the piston rod oil-free and ensure the oil wiping effect for a long time.
Through retrieval, the Chinese patent application No. 201610323794.4 discloses an oil scraping device for a piston compressor, which comprises an oil baffle seat, a first pressure plate, a second pressure plate, a first oil scraper ring, a second oil scraper ring, a third oil scraper ring and a sealing ring, wherein a first annular mounting groove is formed in one end, close to the first pressure plate, of the oil baffle seat, a second annular mounting groove is formed in one end, close to the second pressure plate, of the oil baffle seat, and a third annular mounting groove is formed in the oil baffle seat between the first annular mounting groove and the second annular mounting groove; the first oil scraper ring is arranged in the first annular mounting groove; the second oil scraper ring and the third oil scraper ring are arranged in the third annular mounting groove, the second oil scraper ring comprises a first body, and a plurality of first oil scraping lips attached to the periphery of a piston rod of the compressor are arranged on the inner circumference of the first body; the third oil scraper ring comprises a second body, and a plurality of second oil scraping lips attached to the periphery of a piston rod of the compressor are arranged on the inner circumference of the second body; the sealing ring is arranged in the second annular mounting groove. The above patents suffer from the following disadvantages: the laminating of piston rod periphery has a plurality of frizing lips, and the frizing lip then can influence the motion of piston rod with the piston rod contact force is too big, and the contact force undersize then can make the frizing effect unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an oil scraping structure of a piston compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a piston compressor's frizing structure, includes frizing chamber main part, be provided with main oil scraper ring and inferior oil scraper ring in the frizing chamber main part, be provided with inferior oil scraper chamber between inferior oil scraper ring and the frizing chamber main part, the centre of main oil scraper ring and inferior oil scraper ring is provided with frizing chamber baffle, and main oil scraper ring outer wall is provided with the spring, and the welding of the one end of spring has the spacing ring, and the outer wall welding of spacing ring has the connecting rod, and the one end of connecting rod welds in the inner wall of frizing chamber main part, and one side of frizing chamber main part is provided with.
As a further aspect of the present invention: the inner walls of the main oil scraper ring and the secondary oil scraper ring are arranged into spiral structures.
As a further aspect of the present invention: the cleaning mechanism comprises a cleaning cavity body, a cleaning ring and a cleaning cavity, the cleaning ring is arranged inside the cleaning cavity body, and a gap between the cleaning ring and the cleaning cavity body is the cleaning cavity.
As a further aspect of the present invention: one end of the cleaning cavity main body is provided with a main body partition plate, and the cleaning cavity main body and the oil scraping cavity main body are separated by the main body partition plate.
As a further aspect of the present invention: one side of device main part is provided with the apron, and the connecting hole has all been seted up to one side of apron and device main part, is provided with main oil storage chamber between device main part and the frizing chamber main part, and first oil-out and second oil-out have been seted up to one side outer wall of frizing chamber main part, and the outer wall of device main part is provided with total oil-out, and there is the nut total oil-out's inner wall through threaded connection.
As a further aspect of the present invention: one side of the cleaning ring is provided with a sealing ring which is connected with one side of the main body partition plate.
As a further aspect of the present invention: the device is characterized in that a cover plate is arranged on one side of the device main body, connecting holes are formed in one sides of the cover plate and the device main body, and a first rubber ring and a second rubber ring are arranged at the contact positions of the device main body and the cover plate and the piston rod.
Compared with the prior art, the utility model provides a piston compressor's frizing structure possesses following beneficial effect:
1. this a frizing structure for piston compressor can make main frizing ring carry out certain range's removal along with the motion of piston rod through setting up spring and spacing ring, has improved the frizing time of main frizing ring to the piston rod surface, makes the piston rod after the frizing cleaner, causes the hindrance effect to the piston rod motion when having avoided main frizing ring frizing, adopts elastic connection, can guarantee the operation in-process, and the effect of frizing reaches the best.
2. According to the oil scraping structure for the piston compressor, the oil scraping ring with the spiral structure is arranged on the surface of the main oil scraping ring, so that oil can be scraped for multiple times on the surface of the piston rod, and scraped lubricating oil is discharged into the main oil scraping cavity through the gap of the spiral structure, and the oil scraping efficiency and effect are improved; the surface of the piston rod after oil scraping is provided with a layer of oil film, the surface of the piston rod after oil scraping can be cleaned by arranging the cleaning ring, the oil film on the surface of the piston rod is cleaned, and the integration of oil scraping and cleaning is realized.
3. According to the oil scraping structure for the piston compressor, the scraped lubricating oil can be collected in a centralized manner by arranging the cleaning cavity oil outlet, the first oil outlet and the second oil outlet, and finally the lubricating oil is taken out for reuse through the main oil outlet, so that the cost is saved; the main body partition plate and the piston rod can be sealed by the sealing ring, and lubricating oil is prevented from flowing into the oil scraping cavity main body from a gap of the main body partition plate, so that the oil scraping effect of the main oil scraper ring is influenced.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an oil scraping structure of a piston compressor according to the present invention;
fig. 2 is a schematic front view of an oil scraping structure of a piston compressor according to the present invention;
fig. 3 is a schematic side view of the oil scraping structure of the piston compressor according to the present invention.
In the figure: 1-piston rod, 2-second rubber ring, 3-device body, 4-cleaning cavity body, 5-cleaning cavity oil outlet, 6-communicating port, 7-first oil outlet, 8-oil scraping cavity body, 9-main oil storage cavity, 10-connecting hole, 11-cover plate, 12-first rubber ring, 13-secondary oil scraper ring, 14-second oil outlet, 15-spiral structure, 16-secondary oil scraping cavity, 17-oil scraping cavity partition plate, 18-limiting ring, 19-nut, 20-total oil outlet, 21-cleaning ring, 22-sealing ring, 23-main oil scraper ring, 24-main body partition plate, 25-cleaning cavity, 26-connecting rod and 27-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In order to ensure that the device and the piston rod 1 cannot influence the oil scraping effect due to too large or too small extrusion force, the oil scraping structure of the piston compressor comprises an oil scraping cavity main body 8, a main oil scraping ring 23 and a secondary oil scraping ring 13 are arranged in the oil scraping cavity main body 8, a secondary oil scraping cavity 16 is arranged between the secondary oil scraping ring 13 and the oil scraping cavity main body 8, an oil scraping cavity partition plate 17 is arranged between the main oil scraping ring 23 and the secondary oil scraping ring 13, a spring 27 is arranged on the outer wall of the main oil scraping ring 23, a limiting ring 18 is welded at one end of the spring 27, a connecting rod 26 is welded on the outer wall of the limiting ring 18, one end of the connecting rod 26 is welded on the inner wall of the oil scraping cavity main body 8, a cleaning mechanism is arranged on one side of the oil scraping cavity main body 8, the main oil scraping ring 23 can move to a certain extent along with the movement of the piston rod 1 by arranging the spring 27 and the limiting ring, the phenomenon that the main oil scraper ring 23 blocks the movement of the piston rod 1 when oil is scraped is avoided, and the oil scraping effect is optimal in the operation process due to the elastic connection.
In order to further improve the oil scraping efficiency, as shown in fig. 1, the inner walls of the main oil scraper ring 23 and the secondary oil scraper ring 13 are provided with the spiral structures 15, and the oil scraping efficiency is improved by arranging the oil scraper rings with the spiral structures 15 to scrape oil on the piston rod 1 for multiple times.
In order to ensure that oil stains on the piston rod 1 are completely removed in the operation process of the piston rod 1, as shown in fig. 1-3, the cleaning mechanism comprises a cleaning cavity main body 4, a cleaning ring 21 and a cleaning cavity 25, the cleaning ring 21 is arranged inside the cleaning cavity main body 4, a main body partition plate 24 is arranged at one end of the cleaning cavity main body 4, the cleaning cavity main body 4 and the oil scraping cavity main body 8 are separated by the main body partition plate 24, a gap between the cleaning ring 21 and the cleaning cavity main body 4 is the cleaning cavity 25, the surface of the piston rod 1 after oil scraping can be cleaned by arranging the cleaning ring 21, the surface of the piston rod 1 is cleaner, and the integration of oil scraping and cleaning is realized.
In order to collect and reuse lubricating oil, as shown in fig. 1 and 2, a cleaning cavity oil outlet 5 is formed in the outer wall of one side of the cleaning cavity main body 4, a communication port 6 is formed in the surface of a main body partition plate 24, a main oil storage cavity 9 is arranged between the device main body 3 and the oil scraping cavity main body 8, a first oil outlet 7 and a second oil outlet 14 are formed in the outer wall of one side of the oil scraping cavity main body 8, a main oil outlet 20 is formed in the outer wall of the device main body 3, a nut 19 is connected to the inner wall of the main oil outlet 20 through threads, the scraped lubricating oil can be collected in a concentrated mode through the cleaning cavity oil outlet 5, the first oil outlet 7 and the second oil outlet 14, and finally the lubricating oil is taken out through.
In order to prevent the lubricating oil from flowing into the oil scraping chamber main body 8 from the gap, as shown in fig. 1, a sealing ring 22 is arranged on one side of the cleaning ring 21, the sealing ring 22 is connected with one side of a main body partition plate 24, the main body partition plate 24 and the piston rod 1 can be sealed by the sealing ring 22, and the lubricating oil is prevented from flowing into the oil scraping chamber main body 8 from the gap of the main body partition plate 24, so that the oil scraping effect of the main oil scraping ring 23 is prevented from being influenced.
In order to ensure that the device cannot leak oil during oil scraping, as shown in fig. 1-3, a cover plate 11 is arranged on one side of the device main body 3, connecting holes 10 are formed in the cover plate 11 and one side of the device main body 3, a first rubber ring 12 and a second rubber ring 2 are arranged at the contact positions of the device main body 3 and the cover plate 11 and the piston rod 1, and the problem of oil leakage can be effectively prevented by arranging the first rubber ring 12 and the second rubber ring 2.
The working principle is as follows: set up the frizing mechanism in suitable position, piston rod 1 is reciprocating motion in the frizing mechanism, spring 27 and spacing ring 18 enable main frizing ring 23 to carry out certain range's removal along with piston rod 1's motion, the realization is to the frizing of piston rod 1, the inner wall of main frizing ring 23 sets up to helical structure 15, piston rod 1 after having scraped oil gets into cleaning ring 21, cleaning ring 21 washs piston rod 1 surface after the frizing, make the surface of piston rod 1 cleaner, after having scraped oil, open total oil-out 20, derive lubricating oil.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a piston compressor's frizing structure, includes frizing chamber main part (8), a serial communication port, be provided with main oil scraper ring (23) and inferior oil scraper ring (13) in frizing chamber main part (8), be provided with between inferior oil scraper ring (13) and frizing chamber main part (8) secondary frizing chamber (16), the centre of main oil scraper ring (23) and inferior oil scraper ring (13) is provided with frizing chamber baffle (17), main oil scraper ring (23) outer wall is provided with spring (27), the welding of the one end of spring (27) has spacing ring (18), the welding of the outer wall of spacing ring (18) has connecting rod (26), the one end of connecting rod (26) welds in the inner wall of frizing chamber main part (8), one side of frizing chamber main part (8) is provided with wiper mechanism.
2. A oil scraping structure of a piston compressor as claimed in claim 1, characterized in that inner walls of said main oil scraper ring (23) and said sub oil scraper ring (13) are provided as a spiral structure (15).
3. A oil scraping structure of a piston compressor in accordance with claim 2, wherein said wash mechanism includes a cleaning chamber main body (4), a wash ring (21) and a wash chamber (25), the wash ring (21) is disposed inside the cleaning chamber main body (4), and a gap between the wash ring (21) and the cleaning chamber main body (4) is the wash chamber (25).
4. A oil scraping structure of a piston compressor as claimed in claim 3, characterized in that said cleaning chamber main body (4) is provided at one end with a main body partition plate (24), said main body partition plate (24) separating the cleaning chamber main body (4) and the oil scraping chamber main body (8).
5. The oil scraping structure of a piston compressor as claimed in claim 4, wherein a cleaning chamber oil outlet (5) is formed in an outer wall of one side of the cleaning chamber main body (4), a communication port (6) is formed in a surface of the main body partition plate (24), a main oil storage chamber (9) is arranged between the device main body (3) and the oil scraping chamber main body (8), a first oil outlet (7) and a second oil outlet (14) are formed in an outer wall of one side of the oil scraping chamber main body (8), a main oil outlet (20) is formed in an outer wall of the device main body (3), and a nut (19) is connected to an inner wall of the main oil outlet (20) through threads.
6. A oil scraping structure of a piston compressor as claimed in claim 5, characterized in that a side of said wash ring (21) is provided with a sealing ring (22), and the sealing ring (22) is connected to a side of a body partition (24).
7. A oil scraping structure of a piston compressor as claimed in claim 5, characterized in that a cover plate (11) is provided at one side of the device body (3), a connecting hole (10) is opened at both the cover plate (11) and one side of the device body (3), and a first rubber ring (12) and a second rubber ring (2) are provided at the contact part of the device body (3) and the cover plate (11) and the piston rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445541.2U CN212690270U (en) | 2020-07-21 | 2020-07-21 | Oil scraping structure of piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445541.2U CN212690270U (en) | 2020-07-21 | 2020-07-21 | Oil scraping structure of piston compressor |
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| Publication Number | Publication Date |
|---|---|
| CN212690270U true CN212690270U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021445541.2U Active CN212690270U (en) | 2020-07-21 | 2020-07-21 | Oil scraping structure of piston compressor |
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| CN (1) | CN212690270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417833A (en) * | 2021-06-02 | 2021-09-21 | 张海涛 | Energy-saving refrigeration compressor |
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2020
- 2020-07-21 CN CN202021445541.2U patent/CN212690270U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417833A (en) * | 2021-06-02 | 2021-09-21 | 张海涛 | Energy-saving refrigeration compressor |
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