CN201318285Y

CN201318285Y - Scroll plate

Info

Publication number: CN201318285Y
Application number: CNU2008201388870U
Authority: CN
Inventors: 周劲松
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-11
Filing date: 2008-10-11
Publication date: 2009-09-30
Anticipated expiration: 2018-10-11

Abstract

A scroll plate comprises a moving scroll plate and a static scroll plate which are formed by a voluted plate body and a base corresponding to the plate body; either the moving scroll plate or the static scroll plate is made of a metallic material, and the other scroll plate is made of an elastic and plastic deformation material; the scroll plate utilizes the characteristic of a material to ensure that the sealing and the mutual compensation for the axial direction and the radial direction are achieved when the two scroll plates are in interwork operation; and meanwhile, the two scroll plates are enabled to turn original line contact into surface contact; through the squeezing action, the material is enabled to deform so as to achieve the sealing; and meanwhile, the two scroll plates are manufactured by dies, thereby saving the machining and the surface hardening treatment, and improving the hardness of an oxide layer formed on a working surface; besides, as the two scroll plates are made of a soft material and a hard material, when in interwork operation, the scroll plates reduce the requirements for the precision and the form and position tolerance, further reduce the manufacturing cost, the noise and the vibration, and prolong the service life.

Description

Scroll

Technical field

The utility model relates to the scroll of scroll compressor, particularly a kind of scroll of scroll compressor of low-cost and high-performance.

Background technique

In scroll compressor, two traditional dynamic and static scroll are all made by metal, and as shown in Figure 1, moving scroll, fixed scroll two metal dish are cooperatively interacting, very easily produce bigger noise and vibration during running, very easily wearing and tearing each other, even kill damage mutually, for overcoming this defective, conventional way is to take certain measure in mechanism, it is made a concession mutually on radial and axial, promptly axial and compensation radially, but its mechanism is very complicated; Also have moving scroll, fixed scroll in the running, the contact force of the side of its spiral type line only depends on the circumferential centrifugal force of moving scroll, and its contact force is very little; More because the side of moving scroll, fixed scroll two spiral type drums is line contacts, referring to A point among Fig. 1, therefore be difficult to reach the purpose of sealing, very easily leak, so for the precision of spiral type line, wall thickness, highly, the requirement of top and bottom planeness, vortex ring wall and bottom surface perpendicularity is high especially, its precision has decisive influence to the performance of scroll compressor.Therefore people are always constantly managing raising and are guaranteeing its precision, but the raising of precision relates to the performance and the manufacture cost of working machine tool again; But scroll the time is heated and the distortion that caused by external force can make too high precision lose meaning again in work; Therefore conventional best form and position tolerance value is in 8-15 micrometer range (" positive displacement compressor handbook Yu Yongzhang chief editor, Beijing Machinery Industry publishing house publishes in October, 2000), so high precision is all very high for the requirement of working machine tool, cutter and frock clamping, has only the special device of import just can reach its required precision.In addition, the spiral type line will carry out also that surface hardening is handled as surperficial anodizing, the processing of nickel phosphorus, nitriding processing etc. after machining is good, make the manufacture difficulty of scroll compressor big, processing cost height, poor performance, is difficult to general promotion and application.

Summary of the invention

The purpose of this utility model provides a kind of scroll and manufacture method thereof, by changing the scroll material, makes two scroll when cooperating running, utilize material behavior, two scroll realize sealing by the contact of line contact becoming face, solve simultaneously axially and radial compensation; In addition, reduce running noise and vibration, more wear-resisting, the use of scroll

Order longlyer, and reduced requirement, and then reduced manufacture cost scroll precision and form and position tolerance.

The technical solution of the utility model is: a kind of scroll comprises moving scroll, the fixed scroll be made up of spiral type disk body and respective base; Any one scroll in moving scroll, the fixed scroll is made with metallic material, the material of flexible distortion of another scroll apparatus and plastic deformation is made, utilize properties of materials to make two scroll when working in coordination running, realize sealing and axial and radially compensation mutually

A described scroll spiral type disk body also is provided with skeleton.

Described skeleton is porose thin plate; Porose thin plate is made with metal or plastics.

Described skeleton and base plate are structure as a whole.

The material of described one of them scroll is any material that is selected from engineering plastics, phenolic resin, epoxy resin or the bearing metal.

The manufacture method of scroll of the present utility model may further comprise the steps:

Make the spiral type disk body with thin plate;

Be fixed on the metal base plate;

Bottom land injection moulding or apply elastic material or plastic material between the outer surface of spiral type disk body and spiral type disk body and sheet metal forms scroll.

Wherein, described elastic material is teflon, polyurethane or composite, and the plastic deformation material is a bearing metal.

The beneficial effects of the utility model

Moving scroll of the present utility model, a scroll in the fixed scroll is made with metal, the material of flexible distortion of another scroll apparatus and plastic deformation is made, two scroll are when cooperating running, utilize the resiliently deformable that a scroll wherein had and the characteristic of plastic deformation, make the contact of two scroll by original line contact becoming face contact, make material deformation reach sealing purpose by squeezing action, lower form and position tolerance all can reach its technical requirements as about 100 microns, has solved simultaneously because external force and the caused distortion of high temperature and thermal expansion need be axially and the compensation of the complexity of radially carrying out; In addition, two scroll are made by mould, have saved the complicated process that machining and surface hardening are handled, because of the harveyed hardness of hardness ratio with the formed oxide layer of workpiece surface of Mould Machining taller; And, because two scroll are made by one soft one hard two kinds of materials, when cooperating running, reduced noise and vibration, more wear-resisting, just longer with the life-span, reduced requirement simultaneously, and then reduced manufacture cost precision and form and position tolerance.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the cooperation schematic representation of existing dynamic and static whirlpool scroll.

Fig. 2 is the sectional view of the moving scroll of the utility model.

Fig. 3 is the sectional view of the utility model fixed scroll.

Fig. 4 is the sectional view of the utility model fixed scroll skeleton.

Fig. 5 is the sectional view behind the utility model fixed scroll spraying elastic material and the plastic material.

Fig. 6 is the cooperation schematic representation of the dynamic and static scroll of the utility model.

Fig. 7 is that the dynamic and static scroll of the utility model cooperates the nose balance schematic representation.

Among the figure: 1, moving scroll, 2, fixed scroll, 3, elastomeric layer, 4, moving vortex disk body, 5, moving vortex base plate, 6, the fixed scroll body, 7, quiet vortex base plate, 8, skeleton, 9, the hole, 10, the hole, 11, bottom land

Embodiment

As Fig. 2, scroll of the present utility model shown in Figure 3, comprise moving scroll (1), fixed scroll (2); Wherein, moving scroll (1) is made up of spiral type disk body (4) and base plate (5), and fixed scroll (2) is made up of spiral type disk body (6) and base plate (7); Moving scroll (1) is made with metallic material, and the material of flexible distortion of fixed scroll (2) apparatus and plastic deformation is made.

As Fig. 4, shown in Figure 5, described fixed scroll (2) spiral type disk body (6) also is provided with skeleton (8), skeleton (8) is gone up shape a plurality of holes (9), and has the outer surface of hole (10) skeleton (8) and a base plate (7) bottom land (11) injection moulding that is connected with skeleton (8) or applies elastomeric layer or plastic coat on the base plate (7) that skeleton (8) is connected.

As shown in Figure 6, moving scroll of the present utility model (1) fixed scroll (2) cooperates running, because fixed scroll (2) adopts the material with resiliently deformable and plastic deformation to make, it contacts with the moving scroll (1) that is made by metal, and moving scroll (1), fixed scroll (2) two dish contacts side surfaces face B are face contacts, by extruding and distortion, realize sealing, solved axially, compensation radially, reduced requirement simultaneously, and then reduced manufacture cost scroll precision and form and position tolerance.

As shown in Figure 7, moving scroll of the present utility model (1), fixed scroll (2) cooperate when turning round, because external force and action of high temperature, extruding, distortion, moving scroll (1), fixed scroll (2) produce axial deformation, see C among the figure, D place, have solved axially, compensation radially.

In sum, a scroll in moving scroll of the present utility model, the fixed scroll is made with metal, the material of flexible distortion of another scroll apparatus and plastic deformation is made, two scroll are when cooperating running, utilize the resiliently deformable that a scroll wherein had and the characteristic of plastic deformation, make the contact of two scroll become the face contact, make material deformation reach sealing purpose by squeezing action, solved simultaneously because external force and the caused distortion of high temperature and thermal expansion need be axially and the compensation of the complexity of radially carrying out; In addition,, when cooperating running, reduced noise and vibration, more wear-resisting, longer service life, reduced requirement simultaneously, and then reduced manufacture cost precision and form and position tolerance because two scroll are made by one soft one hard two kinds of materials.

Claims

1. a scroll comprises moving scroll, the fixed scroll be made up of spiral type disk body and respective base; It is characterized in that: moving scroll and fixed scroll or flexible distortion of wherein arbitrary scroll apparatus or plastic deformation or the material that has resiliently deformable and plastic deformation are simultaneously made, utilize the resiliently deformable that its material has or the characteristic of plastic deformation, when moving scroll and fixed scroll make material deformation by squeezing action when working in coordination running, reduced the Roughness of two scroll contact surfaces, increase surface of contact, thereby increased the sealing effect and the purpose axial and mutual compensation radially of two scroll surface of contact.

2. scroll according to claim 1 is characterized in that: the material with resiliently deformable or plastic deformation is polyurethane, teflon or composite.

3. scroll according to claim 1 is characterized in that: moving scroll and fixed scroll or flexible distortion of wherein arbitrary scroll apparatus or plastic deformation or the material that has resiliently deformable and plastic deformation simultaneously are coated on the skeleton surface.

4. scroll according to claim 4 is characterized in that: make many holes on the skeleton of moving scroll and fixed scroll, this hole can be an open-work, also can be blind hole, in order to increase the intensity of described coating material.