CN221277957U - Oil scraper ring of miniature piston compressor - Google Patents

Abstract

The utility model provides an oil scraping ring of a miniature piston type compressor, which relates to the technical field of oil scraping rings and comprises an oil scraping box, wherein an oil baffle is arranged on one side of the oil scraping box, a through hole is formed in the surface of the oil baffle, a connecting channel is fixedly arranged in the oil scraping box, and a piston rod is inserted into the channel. According to the utility model, when the piston rod moves leftwards, the oil baffle is convenient for blocking more lubricating oil, a small amount of lubricating oil continuously enters, and enters the oil return groove along with the cutting edge after being scraped by the oil scraping ring of the oil scraping ring body, and finally returns to the crankcase oil pool.

Description

Oil scraper ring of miniature piston compressor

Technical Field

The utility model relates to the technical field of oil scraper rings, in particular to an oil scraper ring of a miniature piston compressor.

Background

The oil scraper ring is one kind of oil ring and is used to scrape lubricant oil off the inner wall of cylinder and is widely used in compressor, engine and other equipment.

However, in the use process of the existing oil scraper ring, the oil scraper ring often vibrates or shakes, so that the oil scraping effect of the oil scraper ring is reduced, and the use effect is poor.

Disclosure of utility model

The utility model mainly provides a miniature piston compressor oil scraper ring which keeps stability of the oil scraper ring and improves oil scraping effect.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a miniature piston compressor oil scraping ring, includes the oil scraping box, one side of oil scraping box sets up the oil baffle, the through-hole is seted up on the surface of oil baffle, fixed connection passageway in the oil scraping box, the piston rod is established in the passageway interpolation, the piston rod activity runs through in the through-hole, the surface of piston rod sets up the oil scraping ring body, the oil scraping ring body includes the centre ring, the fixed surface of centre ring is connected with the oil scraping ring, the blade is seted up to the one end of centre ring, oil return groove and movable groove are seted up to the internal surface of centre ring, the first reset spring of movable inslot fixed connection, set up the movable block in the movable groove, one side of movable block sets up the connecting block.

Preferably, the standing groove is offered to one side of oil baffle, fixed connection telescopic link in the standing groove, the standing groove of setting, conveniently installs the oil baffle.

Preferably, the second reset spring is sleeved on the outer surface of the telescopic rod, one end of the telescopic rod is fixedly connected with the clamping block, and the clamping block is conveniently inserted into the clamping groove by utilizing the elastic force of the second reset spring.

Preferably, a clamping groove is formed in one side of the oil scraping box, the clamping block is positioned in the clamping groove and clamped into the clamping groove, so that the oil baffle and the oil scraping box are conveniently clamped and installed together, and the oil scraping box is convenient to install and detach.

Preferably, the fixture block is convex mechanism, fixture block and draw-in groove phase-match are convex structure through the fixture block for joint installation is inseparabler between fixture block and the draw-in groove, improves the compactness.

Preferably, the movable block is slidably connected in the movable groove, one side of the movable block is fixedly connected with the first reset spring, when the connecting block is stressed, the movable block slides in the movable groove, so that the movable block extrudes the first reset spring, and the first reset spring is extruded to start to shrink.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, when the piston rod moves leftwards, the oil baffle is convenient for blocking more lubricating oil, a small amount of lubricating oil continuously enters, and enters the oil return groove along with the cutting edge after being scraped by the oil scraping ring of the oil scraping ring body, and finally returns to the crankcase oil pool.

2. According to the utility model, the clamping block is aligned with the clamping groove, so that the clamping block is inserted into the clamping groove, and the clamping block is driven to be extruded into the clamping groove by utilizing the elastic force of the second reset spring, so that the oil scraping box and the oil baffle are clamped and mounted together, the installation and the disassembly are convenient, the convenience is improved, and the clamping block is provided with a convex mechanism, so that the clamping and the clamping groove are more tightly mounted, and the compactness is improved.

Drawings

Fig. 1 is a perspective view of a main structure of a scraper ring of a micro piston compressor according to the present utility model;

Fig. 2 is a perspective view showing the structure of an oil scraping box in an oil scraping ring of a miniature piston type compressor;

FIG. 3 is a perspective view showing the structure of an oil baffle in an oil scraper ring of a micro piston compressor according to the present utility model;

FIG. 4 is a perspective view showing a sectional structure of an oil scraper ring of a micro piston compressor according to the present utility model;

fig. 5 is a structural perspective view showing a main body of an oil scraper ring in an oil scraper ring of a micro piston compressor according to the present utility model;

fig. 6 is a perspective view showing a sectional structure of a main body of an oil scraper ring in an oil scraper ring of a micro piston compressor according to the present utility model.

Legend description: 1. an oil scraping box; 2. an oil baffle plate; 3. a through hole; 4. a channel; 5. a piston rod; 601. a center ring; 602. an oil scraping ring; 603. a cutting edge; 604. an oil return groove; 605. a movable groove; 606. a first return spring; 607. a movable block; 608. a connecting block; 7. a placement groove; 8. a telescopic rod; 9. a second return spring; 10. a clamping block; 11. a clamping groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-6, The utility model provides a micro piston compressor oil scraper ring, which comprises an oil scraper box 1, wherein one side of the oil scraper box 1 is provided with an oil baffle 2, the surface of the oil baffle 2 is provided with a through hole 3, a connecting channel 4 is fixedly connected in the oil scraper box 1, a piston rod 5 is inserted in the channel 4, the piston rod 5 movably penetrates through the through hole 3, the outer surface of the piston rod 5 is provided with an oil scraper ring body, the oil scraper ring body comprises a center ring 601, the outer surface of the center ring 601 is fixedly connected with an oil scraper ring 602, one end of the center ring 601 is provided with a cutting edge 603, the inner surface of the center ring 601 is provided with an oil return groove 604 and a movable groove 605, the movable groove 605 is internally fixedly connected with a first reset spring 606, the movable groove 605 is internally provided with a movable block 607, and one side of the movable block 607 is provided with a connecting block 608.

The effect that its whole embodiment 1 reaches is, through when piston rod 5 moves to the left end, oil baffle 2 is convenient for block more lubricating oil, and a small amount of lubricating oil continues to get into, get into oil return groove 604 along with blade 603 after being scraped by the oil scraping ring 602 of oil scraping ring body, get back to the crankcase oil sump at last, when piston rod 5 left and right sides round trip movement, connecting block 608 atress drives movable block 607 and moves in movable groove 605, first reset spring 606 receives the extrusion and begins to shrink simultaneously, thereby under the elasticity effect of first reset spring 606, make connecting block 608 can remain closely contacted with piston rod 5 all the time, and then make the oil scraping ring body keep stable, further improved the oil scraping effect of oil scraping ring body, make the oil scraping effect better.

In embodiment 2, as shown in fig. 1-6, a placing groove 7 is formed in one side of the oil baffle 2, a telescopic rod 8 is fixedly connected in the placing groove 7, a second return spring 9 is sleeved on the outer surface of the telescopic rod 8, one end of the telescopic rod 8 is fixedly connected with a clamping block 10, a clamping groove 11 is formed in one side of the oil scraping box 1, the clamping block 10 is located in the clamping groove 11, the clamping block 10 is in a convex mechanism, the clamping block 10 is matched with the clamping groove 11, a movable block 607 is slidably connected in the movable groove 605, and one side of the movable block 607 is fixedly connected with a first return spring 606.

The effect that its whole embodiment 2 reached is, set up standing groove 7 through one side of oil baffle 2, standing groove 7 internal fixation telescopic link 8, second reset spring 9 is established to telescopic link 8's surface cover, telescopic link 8's one end fixed connection fixture block 10, the draw-in groove 11 is seted up to one side of scraping oil box 1, fixture block 10 is located draw-in groove 11, through aiming at fixture block 10 draw-in groove 11, make fixture block 10 insert in the draw-in groove 11, utilize the elasticity effect of second reset spring 9, make and drive fixture block 10 crowded into in the draw-in groove 11, thereby make the joint installation be in the same place between oil scraping box 1 and the oil baffle 2, be convenient for install and dismantle, the convenience has been improved, rethread fixture block 10 is convex mechanism, make the joint installation between fixture block 10 and the draw-in groove 11 more inseparabler, improve the compactedness.

Working principle: through aiming the fixture block 10 at the clamping groove 11, the fixture block 10 is inserted into the clamping groove 11, the elastic force of the second reset spring 9 is utilized, the fixture block 10 is driven to be extruded into the clamping groove 11, the oil scraping box 1 and the oil baffle 2 are clamped and installed together, when the piston rod 5 moves leftwards, the oil baffle 2 is convenient for blocking more lubricating oil, a small amount of lubricating oil continuously enters, after being scraped by the oil scraping ring 602 of the oil scraping ring body, the lubricating oil enters the oil return groove 604 along with the cutting edge 603, finally returns to the crankcase oil pool, when the piston rod 5 moves leftwards and rightwards, the connecting block 608 is stressed to drive the movable block 607 to slide in the movable groove 605, and meanwhile, the first reset spring 606 is extruded to start to shrink, so that the connecting block 608 can be always kept in close contact with the piston rod 5 under the elastic force of the first reset spring 606, and the oil scraping ring body is further kept stable, the oil scraping effect of the oil scraping ring body is further improved, and the oil scraping effect is better.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a miniature piston compressor oil scraping ring, includes oil scraping box (1), its characterized in that: one side of oil scraping box (1) sets up oil baffle (2), through-hole (3) are seted up on the surface of oil baffle (2), fixed connection passageway (4) in oil scraping box (1), piston rod (5) are inserted in passageway (4), piston rod (5) activity run through in through-hole (3), the surface of piston rod (5) sets up oil scraping ring body, oil scraping ring body includes center ring (601), surface fixed connection oil scraping ring (602) of center ring (601), blade (603) are seted up to the one end of center ring (601), oil return groove (604) and movable groove (605) are seted up to the internal surface of center ring (601), first reset spring (606) of fixed connection in movable groove (605), set up movable block (607) in movable groove (605), one side of movable block (607) sets up connecting block (608).

2. The oil scraper ring of a miniature piston compressor according to claim 1, wherein: a placing groove (7) is formed in one side of the oil baffle (2), and a telescopic rod (8) is fixedly connected in the placing groove (7).

3. The oil scraper ring of a miniature piston compressor according to claim 2, wherein: the outer surface of the telescopic rod (8) is sleeved with a second reset spring (9), and one end of the telescopic rod (8) is fixedly connected with a clamping block (10).

4. A miniature piston compressor oil scraper ring according to claim 3, wherein: a clamping groove (11) is formed in one side of the oil scraping box (1), and the clamping block (10) is located in the clamping groove (11).

5. The oil scraper ring of a miniature piston compressor of claim 4, wherein: the clamping block (10) is a convex mechanism, and the clamping block (10) is matched with the clamping groove (11).

6. The oil scraper ring of a miniature piston compressor according to claim 1, wherein: the movable block (607) is slidably connected in the movable groove (605), and one side of the movable block (607) is fixedly connected with the first reset spring (606).