CN1451867A

CN1451867A - Sealed compressor partition plate structure

Info

Publication number: CN1451867A
Application number: CN 02116640
Authority: CN
Inventors: 史范东; 梁光植
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2002-04-15
Filing date: 2002-04-15
Publication date: 2003-10-29

Abstract

A dividing plate structure of enclosed compressor is disclosed. The dividing plate is inserted in the internal space of cylinder to divide it into at least two sealed spaces. Its upper and lower surfaces are composed of curved surface and planar surface, and in contact with the barries to make the barriers be reciprocating along its surface for switching the sealed space between suction space and compression space. It feature is that said curved surface and planar surface are smoothly linked via a curved part for reducing noise and friction.

Description

A kind of sealed compressor partition plate structure

Technical field

The present invention relates to compressor, especially the invention of compressor partition plate structure aspect.

Background technique

In general, in hermetic compressor, it is tangent to do straight-line baffle plate and rotating shaft, baffle plate is suction area and compressing area with the cylinder interior spatial division, when rotor rotation, according to the phase difference of rotor, conversion suction area and compressing area, and suck, compress and discharge fluid continuously.

Fig. 1 represents the sectional arrangement drawing of traditional hermetic compressor.As shown in the figure, traditional compressor is by being arranged on being constituted the motor part that power is provided and suctions that link to each other with rotor Mr, being compressed and the compressor section of discharge fluid constitutes by stator Ms and rotor Mr in the housing 1.

The compressor section structure is: the cylinder 2 that is fixed on housing 1 Lower Half; Be fixed on the top and following clutch shaft bearing 3A and the second bearing 3B that together constitutes cylinder 2 inner spaces of cylinder 2; Combine with the rotor Mr of motor part and connect and be incorporated into bearing 3A, 3B, transmit the rotating shaft 4 of the driving force of motor part; Combining or form one with rotating shaft 4, is the dividing plate 5 of first space S 1 and second space S 2 with cylinder 2 internal separation; Lower end and upper end each with the upper and lower contacts side surfaces of dividing plate 5, when rotating shaft 4 is rotated, space S 1, S2 are converted to the first baffle plate 6A and the second baffle 6B of suction area and compressing area; Elasticity is supported the first spring assembly 8A and the second spring assembly 8B of baffle plate 6A, 6B.

The outer cylinder of dividing plate 5 and cylinder 2 inner cylinder sliding contacts are circular plate type in plane projection, and upper and lower side is the curved face part 5a of each self-forming sine wave shape then.

Position, contact on the dividing plate 5 upper and lower sides contacts on each bearing surface of the clutch shaft bearing 3A and the second bearing 3B, and, on its contact position, forming planar surface portion 5b, the bearing surface that makes bearing 3A and 3B is that face contacts, and enlarges cylinder area.

The first baffle plate 6A and second baffle 6B are lineal hexahedrals, and its upper end is subjected to the support of spring assembly 8A, 8B, and the lower end connects bearing 3A, 3B, with the contacts side surfaces up and down of dividing plate 5.

Among the figure, 2a and 2b represent the suction port in each space, and 3a and 3b represent exhaust port, and 7A and 7B represent baffler, and 7a and 7b represent tap hole, and DP represents discharge tube, and SP represents suction pipe.

Above-mentioned traditional type compressor operation is as follows:

After the motor part energising, rotor Mr rotation makes the rotating shaft 4 and a certain in the same way direction rotation of dividing plate 5 one that combine with rotor Mr.At this moment baffle plate 6A, the 6B that joins with the both sides up and down of dividing plate 5 is according to the height of dividing plate 5, do and pump, the volume of first space S 1 and second space S 2 is constantly changed, fluid enters first space S 1 by each suction port 2a, 2b and second space S 2 is compressed gradually, on dividing plate 5 initial point or down initial point arrive the moment of discharging initial point, be compressed exhaust port 3a, the 3b of fluid by space S 1, S2 and be discharged to the outside.

But, in above-mentioned traditional hermetic compressor, as shown in Figures 2 and 3, the position θ 1 that the curved face part 5a of dividing plate 5 and planar surface portion 5b combine, θ 2 form the angle, therefore small off-set phenomenon when moving, baffle plate 6A, 6B takes place, the leakage and the impact noise of fluid will take place, and wearing and tearing baffle plate 6A, the surface of contact of 6B or the bearing surface of bearing 3A, 3B.

Summary of the invention

Technical problem to be solved by this invention provides a kind of sealed compressor partition plate structure, and the action of the stable baffle plate that contacts with dividing plate prevents the leakage of fluid and the generation of impact noise, and the wearing and tearing of anti-baffle plate and bearing.

In order to address the above problem, the invention provides a kind of sealed compressor partition plate structure, dividing plate is inserted in the inner space of the cylinder that is provided with suction port and exhaust port, it is plural seal space at least that the inner space is divided into, in the upper and lower side of dividing plate baffle plate is installed, in dividing plate when rotation, be converted to suction area and compressing area with each seal space, it is characterized in that the upper and lower side of the dividing plate that contacts with baffle plate has the curved face part that combines with specific function respectively; Comprise the point of inflexion of curved face part and the planar surface portion that around point of inflexion, forms; The slick and sly curved part that connects between curved face part and planar surface portion.

The sealed compressor partition plate structure of the present invention's design has following advantage: baffle plate can keep in touch state with the upper and lower side of dividing plate always and move sleekly; The generation of the impact noise between anti-baffle plate and the dividing plate; And, be formed with the curved face part that connects dividing plate and the connection part of planar surface portion sleekly, prevented the wearing and tearing of dividing plate to the bearing surface of slick and sly each bearing that contacts of institute.

Description of drawings

Fig. 1 is a conventional seals type compressor sectional arrangement drawing.

Fig. 2 is a conventional seals type compressor partition plate stereogram.

Fig. 3 is that conventional seals type compressor partition plane cam launches the back with coordinate form performance figure.

Fig. 4 is a compressor partition plate stereogram of the present invention.

Fig. 5 is that sealed compressor partition plane cam of the present invention launches the back with coordinate form performance figure.

Among the figure, 6A, 6B: baffle plate; 10: dividing plate; 11: curved face part; 12: curved part; 13: planar surface portion.

Embodiment

The present invention is described in more detail below in conjunction with the drawings and specific embodiments:

Shown in Fig. 1,4,5, the hermetic compressor that the present invention is provided with dividing plate comprises following structure: by the motor part that is made of stator Ms and rotor Mr that is fixed on housing 1 first half; Be fixed on the cylinder 2 of housing 1 Lower Half; Be fixed on the top and following clutch shaft bearing 3A and the second bearing 3B that together constitutes cylinder 2 inner spaces of cylinder 2; Combine and connect simultaneously the rotating shaft 4 that is incorporated into each bearing 3A, 3B with the rotor Mr of motor part; Combining or form one with rotating shaft 4 is the dividing plate 10 of first space S 1 and second space S 2 with cylinder 2 internal separation; Lower end and upper end each with the upper and lower contacts side surfaces of dividing plate 10, when rotating shaft 4 is rotated, each space S 1, S2 are converted to the first baffle plate 6A and the second baffle 6B of suction area and compressing area.

The outer cylinder of dividing plate 10 and cylinder 2 inner cylinder sliding contacts, plane projection is a circular plate type.

As suggested in Fig. 4 and Fig. 5, the upper and lower side of dividing plate 10 is sine wave shape separately, is formed with the curved face part 11 of embodiment combination of function to certain interval (0～θ 1) (θ 4～2 π) on both sides from the following viewpoint of each side; And, from the both sides of curved face part 11 to the slick and sly curved part 12 that forms of (θ 1～θ 2) (θ 3～θ 4); Certain interval (θ 2～θ 3) between 12 liang of edge tails of curved part forms the planar surface portion 13 that comprises point of inflexion.

The first baffle plate 6A and second baffle 6B are lineal hexahedral, and its upper end is subjected to the support of spring assembly 8A, 8B, connect bearing 3A, 3B in the lower end, make it separately in conjunction with contacting on the bi-side up and down of dividing plate 10.

The sealed compressor partition plate structure of the invention described above plays following effect:

To the motor energising, rotating shaft 4 is rotated by same direction together with dividing plate 10, changes the volume of first space S 1 and second space S 2, sucks into new fluid simultaneously in each space, discharges after progressively compressing.At this moment, each contact dividing plate about in the of 10 baffle plate 6A, the 6B on the bi-side carry out back and forth movement along with the height of dividing plate 10 to mutual opposite direction; Dividing plate 10 upper and lower sides have curved face part 11 and planar surface portion 13, also have the slick and sly curved part 12 that connects curved face part 11 and planar surface portion 13 simultaneously, so baffle plate 6A, 6B can move sleekly with the upper and lower side of dividing plate 10 state that keeps in touch always.Baffle plate 6A, 6B when baffle plate 6A, 6B connect suddenly again and the generation of the impact noise between the dividing plate 10 have been prevented after dividing plate 10 comes off, and, owing to be formed with the connection part of the slyness of the curved face part 11 that connects dividing plate 10 and planar surface portion 13, prevented the wearing and tearing of the bearing surface of 10 pairs of slick and sly each bearings that contacts of institute of dividing plate.

Claims

1, a kind of sealed compressor partition plate structure, dividing plate is inserted in the inner space of the cylinder that is provided with suction port and exhaust port, it is plural seal space at least that the inner space is divided into, in the upper and lower side of dividing plate baffle plate is installed, in dividing plate when rotation, be converted to suction area and compressing area with each seal space, it is characterized in that the upper and lower side of the dividing plate that contacts with baffle plate has the curved face part that combines with specific function respectively; Comprise the point of inflexion of curved face part and the planar surface portion that around point of inflexion, forms; The slick and sly curved part that connects between curved face part and planar surface portion.