CN210829645U - Oil scraping assembly for piston - Google Patents

Abstract

The utility model discloses a piston is with frizing subassembly, including the oil scraper ring, the top fixed mounting of oil scraper ring has the cylindric lock, scrapes oil box before the bottom fixed mounting of oil scraper ring, and the inner wall fixed mounting of preceding oil scraping box has the spring, scrapes oil box after the top fixed mounting of preceding oil scraping box has. A piston is with scraping oil subassembly, the effect of preventing the oil mist to leak has been played, the leakage of the oil wiper oil mist that has significantly reduced, scrape oil box and back through the preceding oil box of scraping that sets up, can carry out timely cleanness to the piston axle through the oil scraping ring, avoid appearing lubricating oil mist and spill from the machine, oxygen and oil leak contact, can arouse potential safety hazards such as conflagration, both influence the safe operation of oxygen compressor, also cause the influence to oxygen compressor factory building environment simultaneously, set up the spring simultaneously and give certain shock attenuation and the pressure of buffering to it when can making the piston axle move, make the machine operation more stable.

Description

Oil scraping assembly for piston

Technical Field

The utility model relates to an oil wiper field, in particular to oil scraping assembly for piston.

Background

The oxygen prepared by the air separation system is compressed by an oxygen compressor (commonly called as an oxygen compressor) and then sent to a user, because a gap of about 0.3mm exists between an oil wiper and a sealing ring, when the oxygen compressor operates, a piston shaft of the oxygen compressor reciprocates at a high speed ceaselessly, when the oxygen compressor moves downwards, the gap between the oil wiper and the sealing ring is increased, and a negative pressure zone is formed instantly, so that lubricating oil reaches between an oil wiper cover and the sealing ring; when the piston moves axially, the gap between the oil scraper and the sealing ring is reduced, certain pressure is formed instantly, and the lubricating oil mist is extruded out from the gap between the oil scraper and the piston shaft, so that part of the oil mist is separated out.

In actual work, in the reciprocating motion process of the piston rod of the oxygen compressor, some lubricating oil leaks from the oil scraper of the oxygen compressor, and oxygen is in contact with the leaked oil, so that potential safety hazards such as fire disasters can be caused, the safe operation of the oxygen compressor is influenced, and meanwhile, the environment of an oxygen compressor factory is also influenced, so that the oil scraping assembly for the piston is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a piston is with frizing subassembly can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frizing subassembly for piston, includes the frizing ring, the top fixed mounting of frizing ring has the cylindric lock, frizing box before the bottom fixed mounting of frizing ring has, the inner wall fixed mounting of preceding frizing box has the spring, the top fixed mounting of preceding frizing box has back frizing box, the top fixed mounting of back frizing box has first mounting pad, the top fixed mounting of first mounting pad has the frizing flange, the top fixed mounting of frizing flange has the bolt, the outer wall cover of bolt is equipped with the second mounting pad, the top fixed mounting of frizing flange has the nut, the inner wall fixed mounting of nut has the double-screw bolt.

Preferably, the number of the oil scraping rings is two, and the two oil scraping rings are respectively positioned on the inner walls of the front oil scraping box and the rear oil scraping box.

Preferably, the number of the springs is two, and the two springs are respectively positioned in the inner walls of the front oil scraping box and the rear oil scraping box.

Preferably, the top end of the rear oil scraping box is fixedly connected with the oil scraping flange through two first mounting pads.

Preferably, preceding frizing box and back frizing box are the U type, the U type top of preceding frizing box is through the bottom fixed connection of sealing washer with back frizing box.

Preferably, the bottom ends of the bolts penetrate through the bottom of the oil scraping flange and extend to the lower portion of the oil scraping flange, the number of the bolts is two, the studs are located on the opposite sides of the two bolts, the bottom ends of the studs penetrate through the top end of the nut and extend to the inside of the oil scraping flange, nut grooves are formed in the inner wall of the oil scraping flange, the outer wall of each stud is matched with the inner wall of the nut through threads, and the bottom ends of the studs are located in the nut grooves.

Compared with the prior art, the utility model discloses following beneficial effect has: two scrape oil box can be more quick and comprehensive clearance piston shaft, when the trend that the oil mist leaked appears in the piston shaft, the timely processing of scraping oil to the piston shaft, played and prevented the oil mist and leaked the effect, the leakage quantity of the oil mist of the oil scraper that has significantly reduced can avoid causing bigger factory's accident simultaneously to cause the cost that can not lose.

The utility model discloses in, scrape oil box and back through the preceding oil box of scraping that sets up, can carry out timely cleanness to the piston shaft through the oil scraping ring, avoid appearing lubricating oil mist and spill from the machine, oxygen and oil leak contact can arouse potential safety hazards such as conflagration, both influenced the safe operation of oxygen compressor, also cause the influence to oxygen compressor factory building environment simultaneously, set up the spring simultaneously and give certain shock attenuation and the pressure of buffering to it when can making the piston shaft move, make the machine operation more stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the structure of the present invention;

fig. 3 is a schematic diagram of the spring of the present invention.

In the figure: 1. an oil scraper ring; 2. a cylindrical pin; 3. a spring; 4. a front oil scraping box; 5. a rear oil scraping box; 6. a first mounting mat; 7. an oil scraping flange; 8. a second mounting pad; 9. a bolt; 10. a stud; 11. and a nut.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an oil scraping assembly for a piston comprises two oil scraping rings 1, the two oil scraping rings 1 are respectively located on the inner walls of a front oil scraping box 4 and a rear oil scraping box 5, a cylindrical pin 2 is fixedly installed at the top end of each oil scraping ring 1, the front oil scraping box 4 is fixedly installed at the bottom end of each oil scraping ring 1, a spring 3 is fixedly installed on the inner wall of each front oil scraping box 4, the two springs 3 are respectively located on the inner walls of the front oil scraping box 4 and the rear oil scraping box 5, the front oil scraping box 4 and the rear oil scraping box 5 are both U-shaped, the top end of the U-shaped front oil scraping box 4 is fixedly connected with the bottom end of the rear oil scraping box 5 through a sealing ring, through the front oil scraping box 4 and the rear oil scraping box 5, a piston shaft can be timely cleaned through the oil scraping rings 1, leakage of lubricating oil mist from a machine is avoided, oxygen is in contact with the piston shaft, and potential hazards such as fire can be caused, the safe operation of the oxygen compressor is influenced, meanwhile, the factory building environment of the oxygen compressor is also influenced, meanwhile, the spring 3 is arranged to enable the piston shaft to have certain damping and buffering pressure when moving, the machine is enabled to operate more stably, the rear oil scraping box 5 is fixedly installed at the top end of the front oil scraping box 4, the top end of the rear oil scraping box 5 is fixedly connected with the oil scraping flange 7 through the first mounting pads 6, the number of the first mounting pads 6 is two, the first mounting pads 6 are fixedly installed at the top end of the rear oil scraping box 5, the oil scraping flange 7 is fixedly installed at the top end of the first mounting pads 6, bolts 9 are fixedly installed at the top end of the oil scraping flange 7, the outer wall of each bolt 9 is sleeved with the second mounting pad 8, the bottom ends of the bolts 9 penetrate through the bottom of the oil scraping flange 7 and extend to the lower portion of the oil scraping flange 7, the number of the bolts 9 is two, the studs 10 are located on the opposite, the top fixed mounting of frizing flange 7 has nut 11, the inner wall fixed mounting of nut 11 has double-screw bolt 10, the bottom of double-screw bolt 10 runs through the top of nut 11 and extends to the inside of frizing flange 7, the nut groove has been seted up to the inner wall of frizing flange 7, the outer wall of double-screw bolt 10 passes through screw thread looks adaptation with the inner wall of nut 11, the bottom of double-screw bolt 10 is arranged in the nut groove, two scrape the oil box can be more quick and comprehensive clearance piston shaft, when oil mist leakage trend appears in the piston shaft, timely scrape oil treatment to the piston shaft, the effect of preventing oil mist from leaking has been played, the leakage quantity of oil wiper oil mist has been greatly reduced, can avoid causing bigger mill's accident simultaneously, so that can not lose the cost.

It should be noted that the utility model relates to an oil scraping component for a piston, when in use, through the front oil scraping box 4 and the rear oil scraping box 5, the piston shaft can be cleaned in time through the oil scraping ring 1, thereby avoiding the leakage of lubricating oil mist from a machine, oxygen is contacted with the leaked oil, which can cause fire hazard and other potential safety hazards, not only affecting the safe operation of the oxygen compressor, but also affecting the plant environment of the oxygen compressor, simultaneously, the spring 3 is arranged, which can lead the piston shaft to give certain damping and buffering pressure when moving, thus leading the machine to operate more stably, the two oil scraping boxes can more rapidly and comprehensively clean the piston shaft, when the piston shaft has the trend of oil mist leakage, the oil scraping treatment is carried out on the piston shaft in time, the oil mist leakage prevention effect is played, the oil mist leakage of the oil scraper is greatly reduced, and the factory can avoid causing larger accidents, in order to create an indelible penalty.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A scraping assembly for a piston comprises a scraping ring (1), and is characterized in that: the top fixed mounting of scraper ring (1) has cylindric lock (2), scrape before the bottom fixed mounting of scraper ring (1) oil box (4), the inner wall fixed mounting of preceding oil box (4) has spring (3), the top fixed mounting of preceding oil box (4) has back oil scraping box (5), the top fixed mounting of back oil scraping box (5) has first mounting pad (6), the top fixed mounting of first mounting pad (6) has oil scraping flange (7), the top fixed mounting of oil scraping flange (7) has bolt (9), the outer wall cover of bolt (9) is equipped with second mounting pad (8), the top fixed mounting of oil scraping flange (7) has nut (11), the inner wall fixed mounting of nut (11) has double-screw bolt (10).

2. The oil scraping assembly for a piston as claimed in claim 1, wherein: the number of the oil scraping rings (1) is two, and the two oil scraping rings (1) are respectively positioned on the inner walls of the front oil scraping box (4) and the rear oil scraping box (5).

3. The oil scraping assembly for a piston as claimed in claim 1, wherein: the quantity of spring (3) is two, and two spring (3) are located respectively before scrape in the inner wall of oil box (4) and back scrape oil box (5).

4. The oil scraping assembly for a piston as claimed in claim 1, wherein: the top end of the rear oil scraping box (5) is fixedly connected with an oil scraping flange (7) through a first mounting pad (6), and the number of the first mounting pads (6) is two.

5. The oil scraping assembly for a piston as claimed in claim 1, wherein: preceding oil scraping box (4) and back oil scraping box (5) are the U type, the U type top of preceding oil scraping box (4) is through the bottom fixed connection of sealing washer with back oil scraping box (5).

6. The oil scraping assembly for a piston as claimed in claim 1, wherein: the bottom of bolt (9) runs through the bottom of frizing flange (7) and extends to the below of frizing flange (7), the quantity of bolt (9) is two, double-screw bolt (10) are located the relative one side of two bolt (9), the top of nut (11) is run through and extends to the inside of frizing flange (7) in the bottom of double-screw bolt (10), the nut groove has been seted up to the inner wall of frizing flange (7), the outer wall of double-screw bolt (10) passes through screw thread looks adaptation with the inner wall of nut (11), the bottom of double-screw bolt (10) is located the nut groove.

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