CN2451763Y

CN2451763Y - Air suction and discharge structure for follow-up ring hinge joint vane and rolling cylinder type rotary compressor

Info

Publication number: CN2451763Y
Application number: CN 00264018
Authority: CN
Inventors: 付云树; 程胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-27
Filing date: 2000-11-27
Publication date: 2001-10-03
Anticipated expiration: 2010-11-27

Abstract

The utility model relates to an air suction and discharge structure for a follow-up ring hinge joint vane and a rolling cylinder type rotary compressor. An annular concave groove (1) is arranged at the point towards a casing and an air suction hole (11) of the cylinder on a contact surface of a cylinder (3) and a follow-up ring (8), and the follow-up ring is provided with an air suction hole (12) which is arranged towards the annular concave groove; an air discharge hole is arranged on the follow-up ring at the point staggered with the annular concave groove, the cylinder wall is provided with an air discharge hole, the inner side of the air discharge hole is provided with a truncated arc-shaped concave groove, and the air discharge hole is communicated with an air discharge hole of the casing. Air suction and discharge noise which is formed by the pressure difference is eliminated by the air suction and discharge structure, and simultaneously, a pressure damping valve and additional power which is consumed by the valve are eliminated.

Description

The suction of servo ring hinged blades and rolling cylinder type rotary compressor, exhaust structure

The utility model relates to suction, the exhaust structure of rotary compressor, and is concrete relevant with suction, the exhaust structure of rolling rotor compressor with servo ring hinged blades and rolling cylinder type rotary compressor.

Its suction of original rotary compressor (comprising rolling rotor compressor with servo ring hinged blades), relief opening all are opened on compression cylinder cylinder bottom or the cylinder cap, and be equipped with the damping valve and isolate and keep the inside and outside pressure reduction of suction, relief opening, but there are the following problems for this structure: 1, owing to existing pressure reduction inside and outside suction, the relief opening, thereby when suction, exhaust, produce the suction and discharge noise, particularly outstanding especially in the moment that its valve has just been opened; 2, since the damping power that the damping valve exists make compression process will consume the damping power that a part of power removes to overcome valve more, thereby strengthen insignificant power consumption, the loss energy and reduce power.

The purpose of this utility model is will disclose to the public a kind ofly can eliminate noise that suction, exhaust produce, can eliminate the servo ring hinged blades of suction, exhaust damping power consumption and suction, the exhaust structure of rolling cylinder type rotary compressor again.

Air suction structure of the present utility model comprises outer air-breathing joint, shell and cylinder barrel suction port, cylinder barrel and follow-up ring veneer annular groove and follow-up ring suction port mutually, its outer air-breathing joint is contained on the outer shell outer wall, air-breathing joint has one and runs through inside and outside shell and cylinder barrel suction port on shell and cylinder barrel wall outside this, have an annular air-breathing groove over against shell and cylinder barrel suction port place on the veneer at cylinder barrel mutually with follow-up ring, on follow-up ring, close on a side of hinge joint vane and have a follow-up ring suction port over against the position of the air-breathing groove of this annular; Exhaust structure of the present utility model comprises follow-up ring exhaust port, cylinder barrel and shell exhaust port and outer exhaust joint, relative suction port closes on the opposite side of hinge joint vane on follow-up ring and the position of stagger annular air-breathing groove or suction port has a follow-up ring exhaust port, on the cylinder barrel wall, axially have the cylinder barrel exhaust port over against this follow-up ring exhaust port, this exhaust port inboard is a truncated annulus groove, its outside has through hole to be communicated to the shell exhaust port, and outer exhaust joint is equipped with at shell exhaust port collar extension place.

The utlity model has following advantage: 1,,, can not produce the suction and discharge noise that causes because of pressure reduction so there is not pressure difference because whole air intake passage and exhaust passage are free straight-through structure; 2, without the damping valve, there has not been damping power, so reduced power consumption, improved compression horsepower, energy saving.

The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:

Fig. 1, vertical profile structural representation of the present utility model;

The M-M face cut-away view of Fig. 2, Fig. 1;

The N-N face cut-away view of Fig. 3, Fig. 1.

Shown in accompanying drawing 1～accompanying drawing 3, the utility model is that to be used in a kind of number of patent application be suction, exhaust structure on 99115185.2 the rolling rotor compressor with servo ring hinged blades, suit a follow-up ring 8 in the cylinder barrel 3 of this compressor, suit one transmission shaft 7 again in the follow-up ring 8, between follow-up ring 8 and transmission shaft 7, be connected with and isolate hinge joint vane 13, the rounded end limit of hinge joint vane 13 is sleeved in the hinge recess that follow-up ring 8 inwalls open and can swings, and hinge joint vane 13 another flat end limits are inserted in the slot that transmission shaft 7 outer walls open and can be inside and outside flexible.The utility model air suction structure comprises outer air-breathing joint 2, shell and cylinder barrel suction port 11, cylinder barrel 3 and follow-up ring 8 be veneer annular groove 1 and follow-up ring suction port 12 mutually, its outer air-breathing joint 2 is contained on the outer shell outer wall, air-breathing joint 2 outside this, having shell and the cylinder barrel suction port 11 that runs through inside and outside it on shell and the cylinder barrel wall, have a cylinder barrel 3 and follow-up ring 8 phase veneer annular grooves 1, a side of on follow-up ring 8, closing on hinge joint vane 13 over against shell and cylinder barrel suction port 11 places on the veneer at cylinder barrel 3 mutually with follow-up ring 8, and the position over against this annular groove 1 has follow-up ring suction port 12; Exhaust structure of the present utility model comprises follow-up ring exhaust port 5, cylinder barrel exhaust port 9, cylinder bottom hole 10, outer casing through hole and outer exhaust joint 4, follow-up ring suction port 12 closes on the opposite side of hinge joint vane 13 on follow-up ring 8 relatively, and the position of stagger annular groove 1 and follow-up ring suction port 12 has a follow-up ring exhaust port 5, on the cylinder barrel wall, have cylinder barrel exhaust port 9 over against this follow-up ring exhaust port 5, cylinder barrel exhaust port 9 inboards are one section annular recess, because of this structure is a forced exhausting structure, the initial position of this annular recess is relevant with the operating mode of being moved, the change of this position will change suction, the pressure ratio of exhaust pressure, therefore this position is important in total, all may be different for this position of different compressors, its formula is: P _φV _φ ^m=P _sV ^mP in the formula _sBe the pressure of inspiration(Pi) of element volume, V is the delivery space of actual revolution, P _φGas pressure when being φ in the element volume for corner, V _φElement volume value when being φ for corner, m is a polytropic exponent.The value of polytropic exponent m is all inequality under different compressors and different compressed media, and generally must be through could accurately drawing after the experiment, therefore for different compressors, the initial position of cylinder barrel exhaust port 9 all must carry out could obtaining optimum value after designing and calculating and the checking by experiment again.The end position of cylinder barrel exhaust port 9 position comparatively speaking is more fixing, when follow-up ring exhaust port 5 when radially a side has just forwarded transmission shaft 7 with follow-up ring 8 tangent positions to, follow-up ring exhaust port 5 is the end position of cylinder barrel exhaust port 9 at opposite side radially.Cylinder barrel exhaust port 9 communicates with the Seal cage of forming at the bottom of the shell by the through hole on the cylinder bottom 6 10 and cylinder bottom 6, again through the shell exhaust port and outside exhaust joint 4 be connected.

This compressor is inhaled, the exhaust structure working procedure is as follows: as Fig. 1 and shown in Figure 3, transmission shaft 7 turns clockwise as shown in Figure 3 during operation, driving hinge joint vane 13 and follow-up ring 8 also turns clockwise, the space that is hinged the meniscate exhaust cavity B of blade 13 separations reduces gradually, the interior gas of exhaust cavity B this moment is compressed, when the follow-up ring exhaust port 5 on the follow-up ring 8 forward to cylinder barrel 3 on perpendicular corners when fanning annular cylinder barrel exhaust port 9 and communicating, gas in the exhaust cavity B just is compressed into outer work condition pressure and equates, exhaust this moment begins, transmission shaft 7 continues to turn clockwise, the space of exhaust cavity B continues to reduce, pressurized gas in the exhaust cavity B by follow-up ring exhaust port 5 backs by 9 backs of the cylinder barrel exhaust port on the cylinder barrel 3 by on the cylinder bottom 6 of back with cylinder barrel exhaust port 9 equirotal exhaust passages 10 after again by outer casing through hole and 4 discharges of outer exhaust joint, when the follow-up ring relief opening 5 on the follow-up ring 8 rotate to cylinder barrel 3 on cylinder barrel exhaust port 9 when isolated, exhaust finishes, transmission shaft 7 continues rotation, and the follow-up ring exhaust port 5 on the follow-up ring 8 enters next compression process after rotating through the tangent position of transmission shaft 7 and follow-up ring 8.Sealing effect between veneer annular groove 1 and follow-up ring exhaust port 5 and follow-up ring exhaust port 5 and the cylinder barrel exhaust port 9 is very big to the performance impact of this structure compressor mutually because of cylinder barrel 3 and follow-up ring, so should be to the effective sealing of execution between veneer annular groove 1 and follow-up ring exhaust port 5 and follow-up ring exhaust port 5 and the cylinder barrel exhaust port 9 mutually of cylinder barrel 3 and follow-up ring when implementing the utility model patent.

Claims

1. the suction of servo ring hinged blades and rolling cylinder type rotary compressor, exhaust structure, it is characterized in that: its air suction structure comprises outer air-breathing joint (2), shell and cylinder barrel suction port (11), cylinder barrel and follow-up ring be veneer annular groove (1) and follow-up ring suction port (12) mutually, its outer air-breathing joint (2) is contained on the outer shell outer wall, air-breathing joint outside this, having shell and the cylinder barrel suction port (11) that runs through inside and outside it on shell and the cylinder barrel wall, have a cylinder barrel and follow-up ring phase veneer annular groove (1), a side of on follow-up ring (8), closing on hinge joint vane (13) over against shell and cylinder barrel suction port place on the veneer at cylinder barrel mutually with follow-up ring, and the position over against this annular groove has follow-up ring suction port (12); Its exhaust structure comprises follow-up ring exhaust port (5), cylinder barrel exhaust port (9), outer casing through hole and outer exhaust joint (4), relative suction port closes on the opposite side of hinge joint vane (13) and stagger annular groove or suction port on follow-up ring (8) position has a follow-up ring exhaust port (5), on inner wall of cylinder, have cylinder barrel exhaust port (9) over against this follow-up ring exhaust port, this exhaust port inboard is one section annular recess, its outside has through hole to be communicated to the shell exhaust port, and outer exhaust joint is equipped with at shell exhaust port collar extension place.

2. suction, the exhaust structure of servo ring hinged blades according to claim 1 and rolling cylinder type rotary compressor, it is characterized in that: cylinder barrel that its cylinder barrel and follow-up ring have over against shell and cylinder barrel suction port place on the veneer mutually and follow-up ring phase veneer annular groove both can have been opened separately on the inner wall of cylinder or open separately on the follow-up ring outer wall, can open simultaneously on inner wall of cylinder and follow-up ring outer wall again.