CN214145898U

CN214145898U - Middle part fretwork gleitbretter

Info

Publication number: CN214145898U
Application number: CN202022455510.1U
Authority: CN
Inventors: 王小平; 张青; 尹伟锋; 孙贤初
Original assignee: Bitzer Rotary Compressor Jiangsu Co ltd
Current assignee: Bitzer Rotary Compressor Jiangsu Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-07
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a middle part fretwork gleitbretter, including the cylinder, the cylinder is inside to roll and is provided with eccentric rolling ring, and the inside roll of eccentric rolling ring is provided with the bent axle, and the cylinder bottom is provided with the spring perpendicularly, and the air suction port has been seted up in the position that inclines left of cylinder downside runs through, and the gas vent has been seted up in the position that inclines right of cylinder downside runs through, and the inside downside of cylinder is provided with drag reduction mechanism; drag reduction mechanism is used for reducing the frictional resistance of the inside gleitbretter of cylinder, and the gleitbretter groove has been seted up to cylinder inner wall downside, and the gleitbretter inslot portion is provided with the gleitbretter, runs through about the gleitbretter and has seted up the fretwork mouth, and the gleitbretter lower extreme is provided with the spring bayonet catch, and the distance of fretwork mouth upper end to gleitbretter upper end is greater than the gliding distance from top to bottom of gleitbretter for prevent that the fretwork mouth part from getting into the cylinder and causing gas leakage, this design has solved current cylinder gleitbretter straight face structure, and the quality is great, with the too big problem of gleitbretter groove friction, the utility model discloses rational in infrastructure reduces the gleitbretter quality to and gleitbretter groove frictional resistance, improve the compressor efficiency.

Description

Middle part fretwork gleitbretter

Technical Field

The utility model relates to a middle part fretwork gleitbretter belongs to rotary compressor technical field.

Background

The cylinder of the rotary compressor is generally driven by a motor through a crankshaft to swing an eccentric rolling ring along the inner wall surface of a cylinder cavity, a slip sheet is matched with the eccentric rolling ring to do reciprocating motion and swing in a slip sheet groove to complete the work cycle of gas suction, compression and discharge, under the action of a spring force, the slip sheet is in close contact with the outer surface of the eccentric rolling ring to form a dynamic seal, and a crescent space between the eccentric rolling ring and the inner wall of the cylinder cavity is divided into a low-pressure (suction) cavity and a high-pressure (compression) cavity.

The friction resistance between the sliding vane slot and the sliding vane and the running resistance caused by the mass of the sliding vane are one of the contributions of the friction resistance between the sliding vane slot and the sliding vane and the power for driving the eccentric part to run of a part of the input power of the pump body of the compressor, and a sliding vane with a hollow middle part is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a middle part fretwork gleitbretter to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the composite mounting of being convenient for, drainage efficiency is high.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a middle-hollowed sliding sheet comprises an air cylinder, an eccentric rolling ring, a crankshaft and a resistance reducing mechanism, wherein the eccentric rolling ring is arranged inside the air cylinder in a rolling manner, the crankshaft is arranged inside the eccentric rolling ring in a rolling manner, a spring is vertically arranged at the bottom of the air cylinder, an air suction port is formed in the left side position of the lower side of the air cylinder in a penetrating manner, an air exhaust port is formed in the right side position of the lower side of the air cylinder in a penetrating manner, and the resistance reducing mechanism is arranged on the lower side inside the air cylinder;

resistance reduction mechanism is used for reducing the frictional resistance of the inside gleitbretter of cylinder, resistance reduction mechanism includes gleitbretter, fretwork mouth, spring card mouth and gleitbretter groove, the gleitbretter groove has been seted up to cylinder inner wall downside, the gleitbretter inslot portion is provided with the gleitbretter, run through about the gleitbretter and seted up the fretwork mouth, the gleitbretter lower extreme is provided with the spring card mouth, fretwork mouth upper end to the distance of gleitbretter upper end are greater than the gleitbretter gliding distance from top to bottom for prevent that the fretwork mouth part from going into the cylinder and causing gas leakage.

Further, the hollowed-out openings are filled with exogenous refrigeration oil.

Furthermore, a spring groove is formed in the outer side of the spring, and the upper portion of the spring groove is communicated with the lower portion of the slide sheet groove.

Furthermore, a first fixing part and a second fixing part are arranged on the upper side and the lower side of the air cylinder respectively, and mounting holes are formed in the first fixing part and the second fixing part.

Furthermore, the air suction port and the air exhaust port are respectively positioned on the left side and the right side of the sliding sheet.

The utility model has the advantages that:

1. the utility model discloses a gleitbretter non-working face middle part has seted up the fretwork mouth for lubricate the friction between gleitbretter and the gleitbretter groove, reduce the gleitbretter quality, and gleitbretter groove frictional resistance, improve the compressor efficiency;

2. the utility model discloses a distance of fretwork mouth upper end to gleitbretter upper end is greater than the gliding distance from top to bottom of gleitbretter, and the fretwork mouth should not stretch into the cylinder inside diameter part in gleitbretter reciprocating motion, and the fretwork mouth can not communicate with each other with the cylinder is inside like this, avoids causing inside gas leakage.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a middle hollow slide sheet of the present invention;

FIG. 2 is a schematic structural view of a drag reduction mechanism in a middle hollow-out sliding piece of the present invention;

FIG. 3 is a right sectional view of the drag reduction mechanism in a middle hollow slide of the present invention;

FIG. 4 is a schematic structural view of a middle slide plate of the drag reduction mechanism in the middle hollow slide plate of the present invention;

in the figure: the device comprises a cylinder 1, a fixing piece I2, an eccentric rolling ring 3, a crankshaft 4, a drag reduction mechanism 5, a sliding sheet 51, a hollow-out opening 52, a spring clamping mouth 53, a sliding sheet groove 54, a fixing piece II 6, a spring 7, an air suction opening 8 and an air exhaust opening 9.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a middle part fretwork gleitbretter 51, includes cylinder 1, eccentric rolling ring 3, bent axle 4 and

resistance reduction mechanism

5, and 1 inside roll of cylinder is provided with eccentric

rolling ring

3, and 3 inside rolls of eccentric rolling ring are provided with

bent axle

4, and 1 bottom of cylinder is provided with spring 7 perpendicularly, and 1 downside is inclined to the left position and is run through and has been seted up

induction port

8, and 1 downside of cylinder is inclined to the right position and is run through and has been seted up

gas vent

9, and 1 inside downside of cylinder is provided with resistance reduction mechanism 5.

The utility model discloses a drag reduction mechanism 5 is used for reducing 1 inside gleitbretter 51's of cylinder frictional resistance, drag reduction mechanism 5 includes gleitbretter 51, fretwork mouth 52, spring card mouth 53 and gleitbretter groove 54, slide groove 54 has been seted up to 1 inner wall downside of cylinder, the inside gleitbretter 51 that is provided with of gleitbretter groove 54, the fretwork mouth 52 has been seted up in the left and right sides of gleitbretter 51 through running through, the gleitbretter 51 lower extreme is provided with spring card mouth 53, distance on fretwork mouth 52 upper end to gleitbretter 51 is greater than gleitbretter 51 gliding distance from top to bottom, be used for preventing that fretwork mouth 52 part from getting into cylinder 1 and causing gas leakage, current cylinder 1 gleitbretter 51 straight-sided structure has been solved to this design, the quality is great, rub too big problem with gleitbretter groove 54.

The utility model discloses a fretwork mouth 52 packing has exogenous refrigeration oil for the friction between gleitbretter 51 and the gleitbretter groove 54 is lubricated.

The utility model discloses a spring 7 groove has been seted up in the spring 7 outside, and spring 7 groove upper portion link up each other with gleitbretter groove 54 lower part, makes things convenient for gleitbretter 51 to reciprocate, and it is sealed that eccentric rolling ring 3 is hugged closely to gleitbretter 51 upper end.

The utility model discloses a both sides are provided with mounting 2 and mounting two 6 respectively about cylinder 1, and mounting 2 and mounting two 6 are inside has all seted up the mounting hole, make things convenient for the installation of cylinder 1 fixed.

The utility model discloses an induction port 8 and gas vent 9 are located the gleitbretter 51 left and right sides respectively for breathe in and discharge compressed gas.

The specific working principle is as follows: on the basis of the existing sliding sheet 51, a hollow 52 is formed in the middle of the non-working surface of the sliding sheet 51, so that the mass of the sliding sheet 51 is reduced, a part of cavities are formed on two sides of the sliding sheet 51 when the sliding sheet 51 is arranged in a sliding sheet groove 54 of the cylinder 1, and when the sliding sheet 51 reciprocates, the part of cavities are filled with refrigeration oil, so that the friction between the sliding sheet 51 and the sliding sheet groove 54 is favorably lubricated, the contact area between the sliding sheet 51 and the sliding sheet groove 54 is reduced, and the running resistance of the cylinder 1 is reduced; in addition, the reduction of the mass of the sliding vane 51 also reduces the operation load of the eccentric rolling ring 3, thereby reducing the operation power of the compressor and improving the energy efficiency.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a middle part fretwork gleitbretter which characterized in that: the anti-drag mechanism comprises an air cylinder (1), an eccentric rolling ring (3), a crankshaft (4) and a drag reduction mechanism (5), wherein the eccentric rolling ring (3) is arranged inside the air cylinder (1) in a rolling manner, the crankshaft (4) is arranged inside the eccentric rolling ring (3) in a rolling manner, a spring (7) is vertically arranged at the bottom of the air cylinder (1), an air suction port (8) is formed in the lower left side of the air cylinder (1) in a penetrating manner, an air exhaust port (9) is formed in the lower right side of the air cylinder (1) in a penetrating manner, and the drag reduction mechanism (5) is arranged on the lower side inside the air cylinder (1);

drag reduction mechanism (5) are used for reducing the frictional resistance of cylinder (1) inside gleitbretter (51), drag reduction mechanism (5) are including gleitbretter (51), fretwork mouth (52), spring card mouth (53) and gleitbretter groove (54), gleitbretter groove (54) have been seted up to cylinder (1) inner wall downside, gleitbretter groove (54) inside is provided with gleitbretter (51), it has seted up fretwork mouth (52) to run through about gleitbretter (51), gleitbretter (51) lower extreme is provided with spring card mouth (53), distance of fretwork mouth (52) upper end to gleitbretter (51) upper end is greater than gleitbretter (51) gliding distance from top to bottom for prevent that fretwork mouth (52) part from getting into cylinder (1) and causing gas leakage.

2. The middle hollow slide sheet of claim 1, wherein: the hollowed-out opening (52) is filled with exogenous refrigeration oil.

3. The middle hollow slide sheet of claim 1, wherein: and a spring (7) groove is formed in the outer side of the spring (7), and the upper part of the spring (7) groove is communicated with the lower part of the sliding sheet groove (54).

4. The middle hollow slide sheet of claim 1, wherein: fixing part I (2) and fixing part II (6) are arranged on the upper side and the lower side of the air cylinder (1) respectively, and mounting holes are formed in the fixing part I (2) and the fixing part II (6).

5. The middle hollow slide sheet of claim 1, wherein: the air suction port (8) and the air exhaust port (9) are respectively positioned at the left side and the right side of the sliding sheet (51).