A dynamic scroll plate with a centroid optimization structure and a scroll compressor

Abstract

The present invention discloses a moving scroll plate and a compressor with a centroid optimization structure. The moving scroll plate includes: a chassis and a scroll body disposed on the chassis. A plurality of weight reduction grooves are distributed on the outer side wall of the scroll body. The weight reduction grooves are long strip-shaped grooves extending along the axial direction of the moving scroll plate, and the weight reduction grooves are distributed circumferentially along the moving scroll plate. In the present invention, a plurality of weight reduction grooves are machined on the outer side wall of the moving scroll plate that does not participate in meshing, effectively reducing the outer weight of the moving scroll plate, thereby optimizing the centroid position, and at the same time not affecting the mechanical strength and rigidity of the moving scroll plate. At the same time, the weight reduction grooves are arranged on the outer side wall of the scroll body, and the processing technology is simple.

Description

Technical Field

[0001] The present invention belongs to the technical field of scroll compressors, and particularly relates to a moving scroll plate with a center of mass optimization structure and a scroll compressor. Background Art

[0002] Scroll compressors are widely used, whether in air compression or in the air-conditioning field. Scroll compressors mainly include components such as a moving scroll plate, a stationary scroll plate, an anti-rotation mechanism, a crankshaft, and a support body. The support body is fixed on the housing, and the stationary scroll plate is fixed on the support body. When the compressor operates, the crankshaft drives the moving scroll plate to perform a circular orbital motion around the stationary scroll plate. The moving scroll plate meshes with the stationary scroll plate.

[0003] The outermost side of a traditional moving scroll plate is often a smooth linear shape. When the volume of the moving scroll plate increases, the mass of the moving scroll plate also increases, and at the same time, the center of mass will deviate far from the rotation center. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a moving scroll plate with a center of mass optimization structure and a scroll compressor.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] On the one hand, the present invention discloses a moving scroll plate with a center of mass optimization structure. The moving scroll plate includes: a chassis and a scroll wire body disposed on the chassis. A plurality of weight-reducing grooves are distributed on the outer side wall of the scroll wire body. The weight-reducing grooves are long strip-shaped grooves extending along the axial direction of the moving scroll plate, and the weight-reducing grooves are distributed along the circumferential direction of the moving scroll plate.

[0007] The present invention discloses a moving scroll plate with a center of mass optimization structure and a scroll compressor. By processing a plurality of weight-reducing grooves on the outer side wall of the moving scroll plate that does not participate in meshing, the outer weight of the moving scroll plate is effectively reduced, thereby optimizing the position of the center of mass, and at the same time, the mechanical strength and rigidity of the moving scroll plate are not affected. At the same time, the weight-reducing grooves are arranged on the outer side wall of the scroll wire body, and the processing technology is simple.

[0008] Based on the above technical solution, the following improvements can be made:

[0009] As a preferred solution, the weight-reducing groove is a semi-through groove, the groove bottom close to the chassis is a closed end, and the groove top at the opposite end is an open end.

[0010] Adopting the above preferred solution, the weight-reducing groove is a semi-through groove, which can achieve an oil storage effect and improve the lubrication effect of the scroll compressor.

[0011] As a preferred solution, the groove depth dimension of the weight-reducing groove gradually increases along the axial direction of the moving scroll plate from the groove top to the groove bottom extension direction.

[0012] With the above preferred solution, the oil storage capacity of the weight-reducing groove is further improved.

[0013] As a preferred solution, there is a smooth part between adjacent weight-reducing grooves.

[0014] With the above preferred solution, the mechanical strength of the outer sidewall of the scroll body is improved.

[0015] As a preferred solution, the weight-reducing groove is one or more of a V-shaped groove, a dovetail groove, a T-shaped groove, an arc groove, a spiral groove, and a tapered groove.

[0016] With the above preferred solution, the weight-reducing groove is designed in different structural forms according to different requirements.

[0017] As a preferred solution, the groove height of the weight-reducing groove is 30% - 80% of the height of the scroll body.

[0018] With the above preferred solution, the influence on the mechanical strength and stiffness of the moving scroll disk is small.

[0019] As a preferred solution, the weight-reducing groove distributed on the outer sidewall of the scroll body near the starting position of the scroll body is the starting weight-reducing groove, and the included angle between the connection line of the starting weight-reducing groove and the centroid of the moving scroll disk and the connection line of the starting position of the scroll body and the centroid of the moving scroll disk is between 15° and 25°.

[0020] With the above preferred solution, the starting weight-reducing groove is at a certain distance from the starting position of the scroll body, and the influence on the mechanical strength and stiffness of the scroll body is small.

[0021] As a preferred solution, the weight-reducing groove distributed on the outer sidewall of the scroll body farthest from the starting position of the scroll body is the ending weight-reducing groove, and the included angle between the connection line of the starting weight-reducing groove and the centroid of the moving scroll disk and the connection line of the ending weight-reducing groove and the centroid of the moving scroll disk is between 140° and 160°.

[0022] With the above preferred solution, the distribution is reasonable.

[0023] In addition, the present invention also discloses a scroll compressor, including: any one of the above moving scroll disks. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and thus should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0025] Figure 1Schematic diagram of the structure of the moving scroll plate provided by the embodiment of the present invention.

[0026] Figure 2 Side view of the moving scroll plate provided by the embodiment of the present invention.

[0027] Figure 3 Top view of the moving scroll plate provided by the embodiment of the present invention (marked with α and β).

[0028] Figure 4 Top view of the moving scroll plate provided by the embodiment of the present invention.

[0029] Figure 5 is Figure 4 Cross-sectional view in the A-A direction in

[0030] Figure 6 Another cross-sectional view of the weight-reducing groove provided by the embodiment of the present invention.

[0031] Wherein: 1 - chassis, 2 - scroll body, 21 - starting position, 3 - weight-reducing groove, 31 - bottom of the groove, 32 - top of the groove, 4 - starting weight-reducing groove, 5 - end weight-reducing groove, 6 - smoothing part. Detailed implementation manners

[0032] The preferred implementation manners of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Using ordinal numbers such as "first", "second", "third", etc. to describe ordinary objects only indicates different instances of similar objects, and does not intend to imply that the objects so described must have a given order in terms of time, space, sorting, or any other manner.

[0035] In addition, the expression "including" elements is an "open-ended" expression, which only means that there are corresponding components or steps, and should not be interpreted as excluding additional components or steps.

[0036] In order to achieve the purpose of the present invention, in some embodiments of a moving scroll plate with a centroid optimization structure, such as Figure 1As shown in the figure, the moving scroll disk includes: a chassis 1 and a scroll body 2 disposed on the chassis 1. A plurality of weight reduction grooves 3 are distributed on the outer side wall of the scroll body 2. The weight reduction grooves 3 are long strip-shaped grooves extending along the axial direction of the moving scroll disk, and the weight reduction grooves 3 are distributed circumferentially on the moving scroll disk.

[0037] Among them, the weight reduction groove 3 is an arc groove. Of course, the structure of the weight reduction groove 3 can also be one or more of a V-shaped groove, a dovetail groove, a T-shaped groove, a spiral groove, and a tapered groove. The weight reduction groove 3 is designed in different structural forms according to different requirements.

[0038] As Figure 2 shown in the figure, among them, the groove height h of the weight reduction groove 3 is 58.3% of the height H of the scroll body 2. Further, the groove height h of the weight reduction groove 3 can be 30% - 80% of the height H of the scroll body 2, such as: 30%, 40%, 50%, 60%, 70%, 80%, etc., and it is adjusted according to the specific situation.

[0039] As Figure 3 shown in the figure, among them, the weight reduction groove 3 distributed on the outer side wall of the scroll body 2 near the starting position 21 of the scroll body 2 is the starting weight reduction groove 4. The included angle α between the line connecting the starting weight reduction groove 4 and the centroid O of the moving scroll disk and the line connecting the starting position 21 of the scroll body and the centroid O of the moving scroll disk is 18.8°. Further, the included angle is between 15° and 25°, such as: 15°, 16°, 17°, 18°, 19°, 20°, 21°, 22°, 23°, 24°, 25°, etc., and it is adjusted according to the specific situation. The starting weight reduction groove 4 is at a certain distance from the starting position 21 of the scroll body 2, and has little influence on the mechanical strength and stiffness of the scroll body 2.

[0040] Among them, the weight reduction groove 3 distributed on the outer side wall of the scroll body 2 farthest from the starting position 21 of the scroll body 2 is the ending weight reduction groove 5. The included angle between the line connecting the starting weight reduction groove 4 and the centroid O of the moving scroll disk and the line connecting the ending weight reduction groove 5 and the centroid O of the moving scroll disk is 146°. Further, the included angle is between 140° and 160°, such as: 140°, 142°, 145°, 151°, 152°, 153°, 155°, 157°, 160°, etc., and it is adjusted according to the specific situation, and the distribution is reasonable.

[0041] The present invention discloses a moving scroll disk and a scroll compressor with a centroid optimization structure. A plurality of weight reduction grooves 3 are processed on the outer side wall of the moving scroll disk that does not participate in meshing, effectively reducing the outer weight of the moving scroll disk, thereby optimizing the centroid position, and at the same time not affecting the mechanical strength and rigidity of the moving scroll disk. At the same time, the weight reduction grooves 3 are arranged on the outer side wall of the scroll body 2, and the processing technology is simple, and forming can be carried out by casting processing, forging processing, powder metallurgy processing or metal cutting processing, etc.

[0042] In order to further optimize the implementation effect of the present invention, in some other embodiments, the remaining characteristic technologies are the same, except that the weight reduction groove 3 is a semi-through groove, the groove bottom 31 close to the chassis 1 is a closed end, and the groove top 32 at the opposite end is an open end.

[0043] Adopting the above preferred solution, the weight reduction groove 3 is a semi-through groove, which can achieve the oil storage effect and improve the lubrication effect of the scroll compressor.

[0044] Such as Figures 4 - 5 shown, further, on the basis of the above embodiment, the groove depth dimension D of the weight reduction groove 3 is uniform up and down.

[0045] Such as Figure 6 shown, in some other embodiments, the groove depth dimension D of the weight reduction groove 3 gradually increases along the axial direction of the moving scroll disk from the groove top 32 to the extending direction of the groove bottom 31, further improving the oil storage capacity of the weight reduction groove 3.

[0046] In order to further optimize the implementation effect of the present invention, in some other embodiments, the remaining characteristic technologies are the same, except that there is a smooth part 6 between adjacent weight reduction grooves 3.

[0047] Adopting the above preferred solution, the mechanical strength of the outer side wall of the scroll body 2 is improved.

[0048] After experimental verification, for the moving scroll disk with an original mass of 4.074 KG, after the weight reduction grooves as shown in Figure 1 are provided on the outer side wall of the scroll body, its mass becomes 3.956 KG, the centroid is offset by 1.4 mm compared with the original centroid, and the mechanical strength and stiffness are good. Figure 3 The origin O in

[0049] is the centroid point.

[0050] In addition, the present invention also discloses a scroll compressor, including: the moving scroll disk disclosed in any of the above embodiments.

[0050] The above-mentioned multiple embodiments can be realized in a cross-parallel manner.

[0051] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0052] In the present invention, unless otherwise clearly specified or limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. It may be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description in the specification are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

[0054] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those of ordinary skill in the art to understand the content of the present invention and implement it. However, it should not be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A moving scroll disk with a centroid optimization structure, characterized in that The moving scroll disk includes: a chassis and a scroll wire body disposed on the chassis. A plurality of weight-reducing grooves are distributed on the outer side wall of the scroll wire body that does not participate in meshing. The weight-reducing grooves are long strip-shaped grooves extending along the axial direction of the moving scroll disk, and the weight-reducing grooves are distributed circumferentially along the moving scroll disk; the weight-reducing groove distributed on the outer side wall of the scroll wire body near the starting position of the scroll wire body is the starting weight-reducing groove, and the included angle between the line connecting the starting weight-reducing groove and the centroid of the moving scroll disk and the line connecting the starting position of the scroll wire body and the centroid of the moving scroll disk is between 15° and 25°; the weight-reducing groove distributed on the outer side wall of the scroll wire body farthest from the starting position of the scroll wire body is the ending weight-reducing groove, and the included angle between the line connecting the starting weight-reducing groove and the centroid of the moving scroll disk and the line connecting the ending weight-reducing groove and the centroid of the moving scroll disk is between 140° and 160°.

2. The orbiting scroll according to claim 1, wherein The weight-reducing groove is a semi-through groove, the groove bottom near the chassis is the closed end, and the groove top at the opposite end is the open end.

3. The orbiting scroll plate according to claim 2, wherein, The groove depth dimension of the weight-reducing groove gradually increases along the axial direction of the moving scroll disk from the groove top to the groove bottom.

4. The orbiting scroll according to any one of claims 1-3, characterized in that There is a smooth part between adjacent weight-reducing grooves.

5. The orbiting scroll plate according to any one of claims 1-3, characterized in that, The weight-reducing groove is one or more of a V-shaped groove, a dovetail groove, a T-shaped groove, an arc groove, a spiral groove, and a tapered groove.

6. The orbiting scroll plate according to any one of claims 1-3, characterized in that, The groove height of the weight-reducing groove is 30% - 80% of the height of the scroll wire body.

7. Scroll compressor, characterized in that, Comprising: The moving scroll disk according to any one of claims 1-6.

Images