CN2900866Y

CN2900866Y - No-oil vortex air conditioner compressor

Info

Publication number: CN2900866Y
Application number: CN 200620101996
Authority: CN
Inventors: 胡振民
Original assignee: Zhejiang Sun Moon Technology Co Ltd; HANGZHOU QIANJIANG CEMENT FACTORY
Current assignee: Zhejiang LUNARST Scroll Compressor Co., Ltd.
Priority date: 2006-03-23
Filing date: 2006-03-23
Publication date: 2007-05-16
Anticipated expiration: 2016-03-23

Abstract

The utility model relates to an oil free eddy air conditioner compressor, which is a complete nonuse lube oil free eddy air conditioner compressor and the high effective ratio novel compressor in the theory. The utility model is characterized in that the compressor is provided with an inlet pipe and an outlet pipe, the electric motor stator and the shell are fixed in unify, the principal shaft bottom bearing and the stander are respectively fixed on the shell by the locating stud and then sealed, the chief eccentric shaft is respectively connected with the bottom bearing, the stander and the moving disc by the lower bearing, the upper bearing and the chief bearing, the quiet disc is fixed on the stander, the double functional equation moving disc and the quiet disc engages with each other, the chief eccentric shaft is provided with the weight counterbalance, the backside of the moving disc is provided with a group of partiality pendulum shaft which is the same offsetting with the chief eccentric shaft, the partiality pendulum shaft is fixed with the moving disc and the stander by the double stuffing box bearing. The utility model can be used for household, commerce and the automobile air conditioner compressor.

Description

A kind of oil-free vortex air conditioner compressor

Technical field

The utility model relates to a kind of oil-free vortex air conditioner compressor.Be applicable to family expenses, commercialization and automobile air conditioner compressor.

Background technique

The kind of the theory structure of air condition compressor is a lot of at present, but oilless air condition compressor all openly do not occur.Using the main purpose of refrigerator oil in air condition compressor is for carrying out mechanical lubrication, because commercial all kinds of air condition compressor are on mechanical structure at present, all can't be without lubricant oil, therefore after preventing to use lubricant oil, cause Energy Efficiency Ratio to descend, many research institutions reduce the harmful effect of using lubricant oil as far as possible by the separation effect of optimizing lubricant oil and refrigeration agent and the characteristic of dissolving each other of improving lubricant oil and refrigeration agent.

Traditional vortex air conditioner compressor is in the mechanism of anti-arresting disc autobiography, and the most frequently used is cross slip ring or straight pin, and the working principle of straight pin is seen Fig. 5.Main eccentric shaft 104 is installed in the frame spindle mounting hole 105, its throw of eccentric D is identical with the throw of eccentric d of straight pin 101, straight pin 101 generally also is three and works simultaneously, their end and Moving plate interference fit, the other end is then done plane motion in the cylinder groove 102 of frame 103, promptly straight pin plays the effect of restriction Moving plate rotation when Moving plate moves, and the direct metal friction will take place in the circumference wall of straight pin and cylinder groove, therefore need carry out well lubricated.

Summary of the invention

The technical problems to be solved in the utility model is: a kind of oil-free vortex air conditioner compressor that does not use lubricant oil fully is provided, is intended to make this air condition compressor to become the highest new type compressor of a kind of Energy Efficiency Ratio in theory; The purpose of this utility model is also to make that structure is more simplified, cost of production is lower, reduces maintenance burden and oil pollution, energy efficient, reduction noise, increases the service life.

The technological scheme that the utility model adopted is: oil-free vortex air conditioner compressor, has housing, housing is provided with suction tude and outlet pipe, motor stator and housing one are fixed, the main shaft lower support, frame is fixed on the housing sealing again with locating stud respectively, main eccentric shaft passes through lower bearing, upper bearing (metal) and main bearing respectively with lower support, frame and Moving plate are fixed, quiet dish is fixed on the frame, the Moving plate and the quiet dish of digamma function equation molded lines are meshing with each other, on the main eccentric shaft balancer weight is housed, three bearings that it is characterized in that fixing main eccentric shaft all adopt self oiling bearing or stuffing box bearing, one group of eccentric balance staff with the identical throw of eccentric of main eccentric shaft is set at the Moving plate back, and eccentric balance staff is fixed by double sealed bearing and Moving plate and frame.

The optimum number of described eccentric balance staff is 3, is the center with main eccentric shaft, and triangle is uniform.

Described quiet dish flexibly connects by Returnning spring and frame, and promptly Returnning spring one end is fixed on the quiet dish back side with clamping bolt, and the other end is fixed on the frame with clamping bolt.

Described quiet dish back is communicated with compression chamber and plenum chamber by a back pressure hole, and plenum chamber covers the back pressure lid sealing that end plate, back pressure lid lower end sheet, pin and seal ring are formed by back pressure, and what the top covered face in back pressure admittedly is the platen that is fixed on the housing.

Electromagnet is equipped with at back at quiet dish.

Described main eccentric shaft directly is connected with the output shaft of motor car engine by belt wheel.

The beneficial effects of the utility model are: since between each big parts of the utility model except the rolling friction or sliding friction of bearing, complete machine is in service not to have other Mechanical Contact frictions; The flexible design of quiet dish makes again between quiet dish and the Moving plate does not have Sealing, approaches static seal in the sealing of quiet dish back plenum chamber.Therefore this machine does not almost have easily damaged parts, can not be in operation because of lack of lubrication yet, the stuck phenomenon that causes burn-down of electric motor of machinery occurs.The life-span of this machine is the life-span of depending on used bearing basically.In addition, scroll compressor itself is a kind of compressor of state-of-the art energy-conservation, low noise, realizes that no oiling is more simplified compressor arrangement, simultaneously also because of no oiling has reduced cost of production, can realize cleaning, removes the environmental pollution of greasy dirt from.Especially automobile air conditioner compressor, maintenance rate is higher, generally freezing medium leakage appears and after, obviously descend working life.After adopting the design of nothing oil, as long as after replenishing refrigeration agent, still can normally move, the life-span of complete machine still is decided by the life-span of used bearing.

Description of drawings

Fig. 1 is the main sectional view of the totally-enclosed no oily flexible vortex air conditioner compressor of the utility model.

Fig. 2 is the main sectional view of the totally-enclosed no oily digital vortex air condition compressor of the utility model.

Fig. 3 is the main sectional view that the utility model opening type does not have oily digital vortex automobile air conditioner compressor.

Fig. 4 is the layout plan of eccentric balance staff in the utility model.

Fig. 5 is the anti-rotation schematic diagram of the Moving plate of the utility model background technique straight pin.

Embodiment

Embodiment 1, and Fig. 1 is a totally-enclosed no oily flexible scroll compressor of 3HP.This compressor has the housing 6 that is installed on the base 1, one middle side part of housing is provided with suction tude 11, and the top of opposite side is provided with outlet pipe 34, motor stator 7 and housing 6 one are fixed, main shaft lower support 3, frame 22 are fixed on the housing sealing again with locating stud 2 respectively, main eccentric shaft 9 is fixing with lower support 3, frame 22 and Moving plate 23 respectively by lower bearing 4, shaft block ring 5, upper bearing (metal) 18 and main bearing 19, on the main eccentric shaft 9 balancer weight 10 is housed.The Moving plate 23 and the quiet dish 21 of digamma function equation molded lines are meshing with each other.This routine main feature is: 1) there are three eccentric balance staffs 15 at the back of Moving plate 23, eccentric balance staff is installed in the eccentric balance staff mounting hole 15-1, main eccentric shaft 9 is installed in the main eccentric shaft mounting hole 9-1, the throw of eccentric of eccentric balance staff 15 is the same with the throw of eccentric of main eccentric shaft 9, eccentric balance staff all adopts double sealed bearing 12 on Moving plate back and frame 22, bearing is respectively fixing with upper ball cover 16 and lower ball cover 14, and adopts the triangles (see figure 4) that evenly distributes around main eccentric shaft 9.2) described quiet dish 21 adopts Returnning spring 20 and frame 22 to flexibly connect, and promptly Returnning spring one end is fixed on quiet dish 21 back sides with clamping bolt 24, and the other end is fixed on the frame 22 with clamping bolt 24.3) three

bearings

4,18,19 of fixing main eccentric shaft 9 all adopt self oiling bearing or stuffing box bearing.

Described quiet dish 21 backs are communicated with compression chamber 37 and plenum chamber 36 with a back pressure hole 33, plenum chamber seals by the back pressure lid that back pressure covers end plate 27, back pressure lid lower end sheet 32, pin 31 and seal ring 25 compositions, again by the platen 30 top Gu Beiyagai that are weldingly fixed on the housing 6, make plenum chamber produce the gap that deboost is adjusted quiet dish and Moving plate, reach the requirement of flexible sealing.Terminal box 39 is used for the power supply of outside is introduced in the machine.

Working principle of the present utility model is: refrigeration agent is entered in the container by suction tude 11 in process of refrigerastion, and the inlet hole 40 that is entered quiet dish by the side sucks compression chamber 37, and the compression back enters high pressure cavity volume 38 from quiet disk center and draws compressor through outlet pipe 34 again.

Embodiment 2, and Fig. 2 is a totally-enclosed no oily digital vortex air condition compressor of 3HP.Digital scroll compressor is a kind of transfiguration scroll compressor, can regulate the energy-saving scroll compressor of compression volume according to the variation of cooling load.The no oiling project organization of digital vortex is with example one, different is with example one, at quiet dish 21 backs electromagnet 41 is housed, by external control circuit control electromagnet adhesive and disconnection, change the spacing of quiet dish 21 and Moving plate 23, form unloading and two working staties of load, the variation of the time scale by unloading and two operating modes switchings of load, realize that compressor satisfies the service condition of different cooling loads, reaches purpose of energy saving.After adopting no oiling, totally-enclosed no oily digital vortex air condition compressor to the continuous operating time of full unloading operating mode without limits, the low-load cooling condition is had stronger adaptability, and therefore under low cooling load, energy-saving potential is stronger than oily digital vortex air condition compressor is arranged.

Embodiment 3, and Fig. 3 is that an opening type does not have oily digital vortex automobile air conditioner compressor.Different is directly to be driven by belt wheel 51 by motor car engine for this example and preceding two examples, and motion speed reaches as high as commentaries on classics up to ten thousand.The inside of belt wheel 51 is equipped with electromagnetic coil 52, Bearing with wheel 53, axle envelope 54 successively, on main eccentric shaft 9 main shaft supplementary bearing 55 is housed, and friction plate 57, spring sheet 56 and spring sheet nut 58 are equipped with in the end of main eccentric shaft.Attracting device 60 and electromagnet 61 are equipped with in the back of quiet dish 21.This machine is not because of there being the oil design, and the plugging fault of valve member and pipeline all no longer occurs.Adopt digital control can guarantee the stable of refrigerating capacity well.

The foregoing description of the present utility model is not to be limitative examples, and in a word, all after combining the utility model, all can simplify the oil feeding mechanism that oil is arranged about oily vortex new technology is arranged, and form no oiling design, constitutes brand-new nothing oil air condition compressor.

Claims

1, a kind of oil-free vortex air conditioner compressor, has housing (6), housing is provided with suction tude (11) and outlet pipe (34), motor stator (7) and housing one are fixed, main shaft lower support (3), frame (22) uses locating stud (2) to be fixed on the housing sealing more respectively, main eccentric shaft (9) is by lower bearing (4), upper bearing (metal) (18) and main bearing (19) respectively with lower support (3), frame (22) and Moving plate (23) are fixing, quiet dish (21) is fixed on the frame (22), the Moving plate and the quiet dish of digamma function equation molded lines are meshing with each other, balancer weight (10) is housed on the main eccentric shaft (9), it is characterized in that: three bearings (4 of fixing main eccentric shaft (9), 18,19) all adopt self oiling bearing or stuffing box bearing, one group of eccentric balance staff (15) with the identical throw of eccentric of main eccentric shaft (9) is set at Moving plate (23) back, and eccentric balance staff is fixed by double sealed bearing (12) and Moving plate (23) and frame (22).

2, oil-free vortex air conditioner compressor according to claim 1 is characterized in that: the optimum number of described eccentric balance staff (15) is 3, is the center with main eccentric shaft (9), and triangle is uniform.

3, oil-free vortex air conditioner compressor according to claim 1, it is characterized in that: described quiet dish (21) flexibly connects by Returnning spring (20) and frame (22), be that Returnning spring one end is fixed on quiet dish (21) back side with clamping bolt (24), the other end is fixed on the frame (22) with clamping bolt (24).

4, according to claim 1 or 3 described oil-free vortex air conditioner compressors, it is characterized in that: described quiet dish (21) back is communicated with compression chamber (37) and plenum chamber (36) by a back pressure hole (33), plenum chamber covers the back pressure lid sealing that end plate (27), back pressure lid lower end sheet (32), pin (31) and seal ring (25) are formed by back pressure, and pushing up admittedly what cover face in back pressure is the platen (30) that is fixed on the housing (6).

5, according to claim 1 or 2 or 3 described oil-free vortex air conditioner compressors, it is characterized in that: electromagnet (41) is housed at the back of quiet dish (21).

6, oil-free vortex air conditioner compressor according to claim 4 is characterized in that: at the back of quiet dish (21) electromagnet (41) is housed.

7, according to claim 1 or 2 or 3 described oil-free vortex air conditioner compressors, it is characterized in that: described main eccentric shaft (9) directly is connected with the output shaft of motor car engine by belt wheel (51).

8, oil-free vortex air conditioner compressor according to claim 4 is characterized in that: described main eccentric shaft (9) directly is connected with the output shaft of motor car engine by belt wheel (51).