Compressor oil supply structure and compressor

Abstract

The present invention provides a compressor oil supply structure and a compressor, which relates to the technical field of compressors, and solves the technical problem that the oil supply effect of the new compressor structure existing in the prior art is not ideal. The compressor oil supply structure and the compressor include a center rod; a crankshaft, wherein a center hole is arranged inside the crankshaft, the center rod extends into the center hole, and the crankshaft is rotatably connected to the center rod through a bearing, and an oil supply gap is formed between the center rod and the inner wall of the center hole; an oil supply assembly is arranged on the crankshaft and / or the center rod, and the oil supply assembly is connected to the oil supply gap to transport lubricating oil to the oil supply gap. The present invention is used to provide a compressor oil supply structure and a compressor that ensure the lubrication of the compressor and improve the performance of the compressor.

Description

Technical Field

[0001] The invention relates to the technical field of compressors, and in particular to a compressor oil supply structure and a compressor. Background Art

[0002] In the prior art, the lubricating oil of the scroll compressor is mainly supplied by an oil pump in the lower cavity, or by an oil guide plate. The applicant provides a novel compressor structure formed by connecting a center rod between an upper cover assembly and a lower cover assembly, wherein the crankshaft is arranged on the center rod through a bearing, and the rotor assembly, the moving plate assembly and the stationary plate assembly are all arranged on the crankshaft. However, a normal oil pump cannot be installed at the bottom of the compressor structure, so that the lubricating oil supply effect is not ideal, resulting in more friction work being consumed, the compressor performance being reduced, and a greater impact on further improvement of the compressor performance. Summary of the invention

[0003] The purpose of the present invention is to provide a compressor oil supply structure and a compressor to solve the technical problem that the oil supply effect of the new compressor structure in the prior art is not ideal. The preferred technical solution among the many technical solutions provided by the present invention can produce many technical effects as described below.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The compressor oil supply structure provided by the present invention comprises:

[0006] Center rod;

[0007] A crankshaft, wherein a center hole is provided inside the crankshaft, the center rod extends into the center hole, and the crankshaft is rotatably connected to the center rod through a bearing, and an oil supply gap is formed between the center rod and the inner wall of the center hole;

[0008] An oil supply assembly is arranged on the crankshaft and / or the center rod, and the oil supply assembly is connected to the oil supply gap to transport lubricating oil into the oil supply gap.

[0009] Optionally, the oil supply assembly includes an oil supply housing and a rotor assembly;

[0010] The oil supply housing is fixedly connected to the crankshaft, the rotor assembly is connected to the center rod, and the rotor assembly is arranged in the oil supply housing;

[0011] The oil supply housing is provided with an oil pool oil inlet and an oil inlet groove, and the oil inlet groove is connected with the oil supply gap;

[0012] The rotor assembly is provided with a rotor oil inlet hole in the radial direction, and the rotor oil inlet hole is arranged corresponding to the oil pool oil inlet port, and when the oil supply housing rotates with the crankshaft, the oil pool oil inlet port and the rotor oil inlet hole can be connected;

[0013] The rotor assembly is also provided with an oil supply groove communicating with the rotor oil inlet hole and the oil inlet groove, and the lubricating oil entering the oil pool oil inlet port enters the oil supply gap via the rotor oil inlet hole and the oil inlet groove.

[0014] Optionally, the rotor assembly includes an oil supply outer rotor, an oil supply inner rotor and an oil supply stator, and the oil supply stator is connected to the center rod;

[0015] The oil supply outer rotor is arranged in the oil supply housing, and an inner rotation hole is eccentrically arranged in the axial direction of the oil supply outer rotor, and the oil supply inner rotor is arranged in the inner rotation hole; a waist-shaped hole is arranged in the axial direction of the oil supply inner rotor, and the oil supply stator matches the waist-shaped hole;

[0016] An outer oil inlet hole penetrating the oil supply outer rotor is provided in the radial direction of the oil supply outer rotor, and an inner oil inlet hole penetrating the oil supply inner rotor is provided in the radial direction of the oil supply inner rotor. When the oil supply outer shell rotates following the crankshaft, it drives the oil supply outer rotor to swing and drives the oil supply inner rotor to slide on the oil supply stator, so that the oil inlet port of the oil pool, the outer oil inlet hole and the inner oil inlet hole can be connected to or disconnected from each other, so as to transport the lubricating oil to the oil inlet groove.

[0017] Optionally, the oil supply groove is arranged on the oil supply outer rotor, and the oil supply groove is used to connect the inner oil inlet hole and the oil inlet groove after the oil inlet port of the oil pool, the outer oil inlet hole and the inner oil inlet hole are switched from being connected to each other to being disconnected from each other.

[0018] Optionally, the oil inlet groove is an annular groove, and the oil inlet groove is connected to the oil supply gap through a crankshaft connecting hole.

[0019] Optionally, at least two groups of the oil inlet grooves are provided, and an oil groove connecting hole is provided between at least two groups of the oil inlet grooves.

[0020] Optionally, the projection of the oil supply groove in the axial direction of the oil supply outer rotor partially overlaps or completely overlaps with at least one group of the oil inlet grooves.

[0021] Optionally, a trimming structure is provided on the oil supply stator to enable the oil supply stator to fit with the waist-shaped hole.

[0022] Optionally, the diameter of the outer oil inlet hole is smaller than the diameter of the inner oil inlet hole.

[0023] Optionally, the oil supply assembly is a first spiral groove provided on the inner wall of the crankshaft;

[0024] And / or, the oil supply assembly is a second spiral groove arranged on the outer wall of the center rod.

[0025] A compressor comprises the compressor oil supply structure as described above.

[0026] The beneficial effects of the present invention are as follows: the compressor oil supply structure and the compressor provided by the present invention include a center rod, a crankshaft and an oil supply assembly, a center hole is arranged inside the crankshaft, the center rod extends into the center hole, and the crankshaft is rotatably connected to the center rod through a bearing, an oil supply gap is formed between the center rod and the inner wall of the center hole, and by arranging the crankshaft on the center rod, the rotation accuracy and positioning effect of the crankshaft can be effectively guaranteed, thereby improving the reliability of the compressor; the oil supply assembly is connected to the oil supply gap, and the oil supply assembly is used to transport lubricating oil to the oil supply gap, thereby completing the oil supply of the compressor, ensuring the lubrication of the compressor, and improving the performance of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a schematic diagram of the structure of the compressor of the present invention;

[0029] Figure 2 is an exploded view of the compressor of the present invention;

[0030] Figure 3 is an exploded view of the oil supply structure of the compressor of the present invention;

[0031] Figure 4 It is a partial structural schematic diagram of the compressor oil supply structure of the present invention;

[0032] Figure 5 is a cross-sectional view (I) of the compressor oil supply structure of the present invention;

[0033] Figure 6 It is a schematic diagram of the partial structure A of the compressor oil supply structure of the present invention;

[0034] Figure 7 is a cross-sectional view of the oil supply structure of the compressor of the present invention (II);

[0035] Figure 8 It is a cross-sectional view (iii) of the compressor oil supply structure of the present invention.

[0036] In the figure:

[0037] 10. Upper cover assembly; 20. Housing; 30. Support plate; 40. Lower cover assembly; 50. Center rod; 60. Crankshaft; 70. Moving plate assembly; 80. Static plate assembly; 90. Rotor structure; 100. Stator structure; 110. Oil supply gap; 120. Spiral groove; 130. Bearing;

[0038] 61. Center hole; 62. Oil supply housing; 63. Oil pool oil inlet; 64. Oil inlet groove; 65. Oil supply groove; 66. Oil supply outer rotor; 67. Oil supply inner rotor; 68. Oil supply stator; 69. Rotor assembly;

[0039] 641, crankshaft connecting hole; 642, oil tank connecting hole; 661, external oil inlet hole; 662, internal rotation hole; 671, internal oil inlet hole; 672, waist-shaped hole; 681, trimming structure. DETAILED DESCRIPTION

[0040] Please refer to the attached figure below Figures 1 to 8 And the text content understands the content of the present invention and the difference between the present invention and the prior art. The following is a further detailed description of the technical solution (including the preferred technical solution) of the present invention by means of the accompanying drawings and the enumeration of some optional embodiments of the present invention. It should be noted that: any technical feature and any technical solution in the present embodiment are one or more of a variety of optional technical features or optional technical solutions. In order to describe the need for brevity, it is impossible to exhaustively list all the alternative technical features and alternative technical solutions of the present invention in this document, and it is not convenient for the implementation of each technical feature to emphasize that it is one of the multiple optional implementations, so those skilled in the art should know that: any technical means provided by the present invention can be replaced or any two or more technical means or technical features provided by the present invention can be combined with each other to obtain a new technical solution. Any technical feature and any technical solution in the present embodiment do not limit the scope of protection of the present invention. The scope of protection of the present invention should include any alternative technical solutions that can be thought of by those skilled in the art without creative work and new technical solutions obtained by combining any two or more technical means or technical features provided by the present invention.

[0041] In the description of the present invention, it should be noted that, unless otherwise specified, "multiple" means two or more than two; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0043] The invention provides a compressor oil supply structure and a compressor which can ensure the lubrication of the compressor and improve the performance of the compressor.

[0044] Combine the following Figures 1 to 8 The technical solution provided by the present invention is described in more detail.

[0045] The present invention provides a compressor oil supply structure, comprising:

[0046] Center rod 50;

[0047] A crankshaft 60, wherein a center hole 61 is provided inside the crankshaft 60, wherein the center rod 50 extends into the center hole 61, and the crankshaft 60 is rotatably connected to the center rod 50 via a bearing 130, and an oil supply gap 110 is formed between the center rod 50 and the inner wall of the center hole 61;

[0048] The oil supply assembly is disposed on the crankshaft 60 and / or the center rod 50 , and the oil supply assembly is connected to the oil supply gap 110 to transport lubricating oil into the oil supply gap 110 .

[0049] The compressor oil supply structure provided by the present invention includes a center rod 50, a crankshaft 60 and an oil supply assembly, wherein a center hole 61 is arranged inside the crankshaft 60, the center rod 50 extends into the center hole 61, and the crankshaft 60 is rotatably connected to the center rod 50 through a bearing 130, and an oil supply gap 110 is formed between the center rod 50 and the inner wall of the center hole 61. By arranging the crankshaft 60 on the center rod 50, the rotation accuracy and positioning effect of the crankshaft 60 can be effectively guaranteed, thereby improving the reliability of the compressor; the oil supply assembly is connected to the oil supply gap 110, and the oil supply assembly is used to transport lubricating oil to the oil supply gap 110, thereby completing the compressor oil supply, ensuring the lubrication of the compressor, and improving the performance of the compressor.

[0050] It can be understood that the oil supply assembly is connected to the oil supply gap 110, and can deliver the lubricating oil in the oil pool into the oil supply gap 110, thereby ensuring the amount of lubricating oil in the oil supply gap 110 and improving the performance of the compressor; for example: the oil supply assembly can be provided with a spiral groove 120 on the inner wall of the crankshaft 60 or the outer wall of the center rod 50, and the lubricating oil is delivered by rotating the crankshaft 60, thereby completing the oil supply to the compressor, ensuring the lubrication of the compressor, and improving the performance of the compressor.

[0051] In some embodiments of the present invention, the oil supply assembly includes an oil supply housing 62 and a rotor assembly 69;

[0052] The oil supply housing 62 is fixedly connected to the crankshaft 60, the rotor assembly 69 is connected to the center rod 50, and the rotor assembly 69 is disposed in the oil supply housing 62;

[0053] The oil supply housing 62 is provided with an oil pool oil inlet 63 in the radial direction, and the oil supply housing 62 is provided with an oil inlet groove 64 in the axial direction, and the oil inlet groove 64 is connected to the oil supply gap 110;

[0054] The rotor assembly 69 is provided with a rotor oil inlet hole in the radial direction, and the rotor assembly 69 is provided with an oil supply groove 65 connecting the rotor oil inlet hole and the oil inlet groove 64. When the oil supply housing 62 rotates following the crankshaft 60, the oil pool oil inlet port 63 can be connected with the rotor oil inlet hole, and the lubricating oil entering the oil pool oil inlet port 63 enters the oil supply gap 110 via the rotor oil inlet hole and the oil inlet groove 64.

[0055] In some of the above-mentioned embodiments of the present invention, the oil supply assembly includes an oil supply housing 62 and a rotor assembly 69, the oil supply housing 62 is fixedly connected to the crankshaft 60, the oil supply housing 62 can rotate with the crankshaft 60, the rotor assembly 69 is connected to the center rod 50, and the rotor assembly 69 is arranged in the oil supply housing 62, when the oil supply housing 62 rotates with the crankshaft 60, the oil supply housing 62 and the rotor assembly 69 will rotate relative to each other.

[0056] An oil pool oil inlet 63 is radially arranged on the oil supply housing 62, and the lubricating oil at the bottom of the compressor can enter the oil supply housing 62 through the oil pool oil inlet 63. A rotor oil inlet hole is radially arranged on the rotor assembly 69. When the oil supply housing 62 rotates following the crankshaft 60, the oil pool oil inlet 63 can be connected with the rotor oil inlet hole. After connection, the lubricating oil entering from the oil pool oil inlet 63 enters the rotor oil inlet hole.

[0057] The rotor assembly 69 is provided with an oil supply groove 65 which connects the rotor oil inlet hole and the oil inlet groove 64. The lubricating oil entering the rotor oil inlet hole enters the oil inlet groove 64 through the oil supply groove 65. Since the oil inlet groove 64 is connected to the oil supply gap 110, the oil enters the oil supply gap 110 through the oil inlet groove 64, thereby completing the delivery of the lubricating oil.

[0058] In some embodiments of the present invention, the rotor assembly 69 includes an oil supply outer rotor 66, an oil supply inner rotor 67 and an oil supply stator 68, and the oil supply stator 68 is connected to the center rod 50;

[0059] The oil supply outer rotor 66 is disposed in the oil supply housing 62, and an inner rotation hole 662 is eccentrically disposed in the axial direction of the oil supply outer rotor 66, and the oil supply inner rotor 67 is disposed in the inner rotation hole 662; a waist-shaped hole 672 is disposed in the axial direction of the oil supply inner rotor 67, and the oil supply stator 68 cooperates with the waist-shaped hole 672;

[0060] An outer oil inlet hole 661 penetrating the oil supply outer rotor 66 is provided in the radial direction of the oil supply outer rotor 66, and an inner oil inlet hole 671 penetrating the oil supply inner rotor 67 is provided in the radial direction of the oil supply inner rotor 67. When the oil supply outer housing 62 rotates following the crankshaft 60, it drives the oil supply outer rotor 66 to swing, and drives the oil supply inner rotor 67 to slide on the oil supply stator 68, so that the oil pool oil inlet port 63, the outer oil inlet hole 661 and the inner oil inlet hole 671 can be connected to or disconnected from each other, so as to transport the lubricating oil to the oil inlet groove 64.

[0061] In some of the above-mentioned embodiments of the present invention, the rotor assembly 69 includes an oil supply outer rotor 66, an oil supply inner rotor 67 and an oil supply stator 68, the oil supply stator 68 is connected to the center rod 50, the oil supply inner rotor 67 is axially provided with a waist-shaped hole 672, the oil supply stator 68 cooperates with the waist-shaped hole 672, and the oil supply inner rotor 67 can slide along the oil supply stator 68 under the action of the waist-shaped hole 672, that is, the oil supply inner rotor 67 can slide in a straight line.

[0062] The oil supply outer rotor 66 is arranged in the oil supply outer shell 62, and an inner rotation hole 662 is eccentrically arranged in the axial direction of the oil supply outer rotor 66. The oil supply inner rotor 67 is arranged in the inner rotation hole 662, so that when the oil supply outer rotor 66 rotates with the oil supply outer shell 62, it can drive the oil supply outer rotor 66 to swing and drive the oil supply inner rotor 67 to reciprocate.

[0063] When the oil supply inner rotor 67 moves back and forth, the oil supply stator 68 divides the waist-shaped hole 672 of the oil supply inner rotor 67 into two cavities, and the two cavities are respectively connected to the outside through the internal oil inlet hole 671 on the oil supply inner rotor 67. When the two cavities switch in size, they switch between a conducting state and a non-conducting state, thereby forming a negative pressure in the cavity, and the lubricating oil can be sucked into the cavity; as the crankshaft 60 continues to rotate, the lubricating oil entering the cavity is transported to the oil supply gap 110.

[0064] Specifically, the cavity between the oil supply inner rotor 67 and the oil supply stator 68 will not be connected to the outside through the inner oil inlet hole 671 when it becomes larger. A negative pressure is formed inside the cavity after the cavity becomes larger. When the cavity is close to the maximum, the cavity is connected to the outside through the inner rotor oil inlet hole, the outer oil inlet hole 661 and the oil pool oil inlet port 63. At this time, the cavity is under negative pressure, and the lubricating oil can be sucked into the cavity through the oil pool oil inlet port 63, the outer oil inlet hole 661 and the inner oil inlet hole 671; as the crankshaft 60 continues to rotate, the outer oil inlet hole 661 and the inner oil inlet hole 671 are separated. At this time, the inner oil inlet hole 671 is connected to the oil supply groove 65. As the size of the cavity becomes smaller, the internal lubricating oil is squeezed into the oil inlet groove 64, and then enters the oil supply gap 110 to complete the compressor oil supply.

[0065] It can be understood that the distance between the center position of the waist-shaped hole 672 and the center of the center rod 50 is the same as the eccentric distance between the inner rotation hole 662 and the center rod 50, and they are respectively located on both sides of the center rod 50. By providing an eccentric inner rotation hole 662 on the oil supply outer rotor 66 and a waist-shaped hole 672 on the oil supply inner rotor 67, the oil supply outer rotor 66 can swing and the oil supply inner rotor 67 can move linearly, thereby forming a negative pressure to press the lubricating oil into the oil supply gap 110, effectively ensuring the supply of lubricating oil, improving the lubricating oil supply effect, and improving the performance of the compressor.

[0066] In some embodiments of the present invention, the oil supply groove 65 is arranged on the oil supply outer rotor 66, and the oil supply groove 65 is used to connect the inner oil inlet hole 671 and the oil inlet groove 64 after the oil pool oil inlet 63, the outer oil inlet hole 661 and the inner oil inlet hole 671 are switched from being connected to each other to being disconnected from each other.

[0067] In some of the above-mentioned embodiments of the present invention, the oil supply groove 65 is arranged on the oil supply outer rotor 66, and the oil supply groove 65 is used to connect the inner oil inlet hole 671 and the oil inlet groove 64. When the lubricating oil can be sucked into the cavity through the oil pool oil inlet 63, the outer oil inlet hole 661, and the inner oil inlet hole 671; as the crankshaft 60 continues to rotate, the outer oil inlet hole 661 and the inner oil inlet hole 671 are separated. At this time, the inner oil inlet hole 671 is connected to the oil supply groove 65. As the size of the cavity becomes smaller, the internal lubricating oil is squeezed into the oil inlet groove 64, and then enters the oil supply gap 110, completing the compressor oil supply.

[0068] It can be understood that the oil supply groove 65 is arranged on one side of the outer oil inlet hole 661. When the oil supply outer rotor 66 swings, the outer oil inlet hole 661 can connect the oil pool oil inlet 63 and the inner oil inlet hole 671. After connection, as the oil supply outer rotor 66 continues to swing, the outer oil inlet hole 661 can be separated from the oil pool oil inlet 63 and the inner oil inlet hole 671. At this time, the inner oil inlet hole 671 can be connected with the oil supply groove 65, thereby realizing the connection between the oil inlet groove 64 and the inner oil inlet hole 671 and completing the oil supply.

[0069] It should be noted that the oil supply stator 68 divides the waist-shaped hole 672 of the oil supply inner rotor 67 into two cavities, and the sizes of the two cavities will change and switch. Correspondingly, the inner oil inlet holes 671 on both sides of the waist-shaped hole 672 can both intake oil. Therefore, two groups of oil supply grooves 65 are provided on the oil supply outer rotor 66, which are used for oil intake on both sides respectively, so as to increase the oil intake amount, improve the lubricating oil supply effect, and improve the compressor performance.

[0070] In some embodiments of the present invention, the oil inlet groove 64 is an annular groove, and the oil inlet groove 64 is connected to the oil supply gap 110 through a crankshaft connecting hole 641 .

[0071] In some of the above embodiments of the present invention, the oil inlet groove 64 is an annular groove, and the oil inlet groove 64 is connected to the oil supply gap 110 through the crankshaft connecting hole 641, thereby ensuring that the annular oil inlet groove 64 can communicate with the oil supply gap 110.

[0072] It should be noted that the crankshaft communicating holes 641 may be provided in one group, two groups or multiple groups, so as to quickly conduct the lubricating oil to the oil supply gap 110 .

[0073] In some embodiments of the present invention, at least two groups of the oil inlet grooves 64 are provided, and an oil groove connecting hole 642 is provided between at least two groups of the oil inlet grooves 64 .

[0074] In some of the above-mentioned embodiments of the present invention, the oil inlet grooves 64 may be provided with at least two groups, and at least two groups of oil inlet grooves 64 are connected by an oil groove connecting hole 642. The lubricating oil entering the two groups of oil inlet grooves 64 can be conducted through the oil groove connecting hole 642 and finally enter the oil supply gap 110.

[0075] It can be understood that since there are two groups of oil supply grooves 65 and since the inner rotation hole 662 of the oil supply outer rotor 66 is eccentrically arranged, the two groups of oil supply grooves 65 are at different distances from the center rod 50. The provision of two groups of oil inlet grooves 64 can ensure that the lubricating oil entering the two groups of oil supply grooves 65 can be quickly introduced into the oil supply gap 110, thereby ensuring efficient oil supply, improving the lubricating oil supply effect, and improving the performance of the compressor.

[0076] In some embodiments of the present invention, the projection of the oil supply groove 65 in the axial direction of the oil supply outer rotor 66 partially overlaps with or completely overlaps with at least one group of the oil inlet grooves 64 .

[0077] In some of the above-mentioned embodiments of the present invention, the projection of the oil supply groove 65 in the axial direction of the oil supply outer rotor 66 partially overlaps with or completely overlaps with at least one group of the oil inlet grooves 64, which can ensure that the oil supply groove 65 is connected to the inner oil inlet hole 671 and the oil inlet groove 64, ensuring smooth oil supply.

[0078] In some embodiments of the present invention, the diameter of the outer oil inlet hole 661 is smaller than the diameter of the inner oil inlet hole 671. This can ensure the oil inlet speed and improve the lubricating oil supply effect.

[0079] In some embodiments of the present invention, a cutting structure 681 is provided on the oil supply stator 68 to form a key-type structure of the oil supply stator 68, so that the oil supply stator 68 is adapted to the waist-shaped hole 672, and the oil supply inner rotor 67 can slide in a straight line under the cooperation of the waist-shaped hole 672 and the oil supply stator 68, and the cutting structure 681 has a guiding function.

[0080] The present invention also provides a compressor, comprising the compressor oil supply structure as described above.

[0081] Furthermore, the compressor includes a shell, a center rod 50, a crankshaft 60, a moving plate assembly 70, a stator plate assembly 80, a rotor structure 90 and a stator structure 100, the crankshaft 60 is rotatably arranged on the center rod 50, the rotor structure 90 is arranged on the crankshaft 60, the stator structure 100 is arranged on the shell, and the stator structure 100 is arranged corresponding to the rotor structure 90; the moving plate assembly 70 is connected to the crankshaft 60, the stator plate assembly 80 is arranged on the shell, and the moving plate assembly 70 is arranged corresponding to the stator plate assembly 80.

[0082] Specifically, the shell includes an upper cover assembly 10, an outer shell 20, a support plate 30 and a lower cover assembly 40, the outer shell 20 is connected between the upper cover assembly 10 and the lower cover assembly 40, the support plate 30 is arranged on the outer shell 20, and the center rod 50 is connected between the upper cover assembly 10 and the lower cover assembly 40.

[0083] In the description of this specification, the description with reference to the terms "example", "embodiment" or "some embodiments" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0084] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A compressor oil supply structure, characterized in that: include: Center rod; A crankshaft, the crankshaft is used to drive the pump body structure of the compressor, a center hole is arranged inside the crankshaft, the center rod extends into the center hole, and the crankshaft is rotatably connected to the center rod through a bearing, and an oil supply gap is formed between the center rod and the inner wall of the center hole; An oil supply assembly is arranged on the crankshaft and / or the center rod, and the oil supply assembly is connected to the oil supply gap to deliver lubricating oil to the oil supply gap; The oil supply assembly comprises an oil supply housing and a rotor assembly; The oil supply housing is fixedly connected to the crankshaft, the rotor assembly is connected to the center rod, and the rotor assembly is arranged in the oil supply housing; The oil supply housing is provided with an oil pool oil inlet and an oil inlet groove, and the oil inlet groove is connected with the oil supply gap; The rotor assembly is provided with a rotor oil inlet hole in the radial direction, and the rotor oil inlet hole is arranged corresponding to the oil pool oil inlet port, and when the oil supply housing rotates with the crankshaft, the oil pool oil inlet port and the rotor oil inlet hole can be connected; The rotor assembly is also provided with an oil supply groove communicating with the rotor oil inlet hole and the oil inlet groove, and the lubricating oil entering the oil pool oil inlet port enters the oil supply gap via the rotor oil inlet hole and the oil inlet groove.

2. The compressor oil supply structure according to claim 1, characterized in that: The rotor assembly comprises an oil supply outer rotor, an oil supply inner rotor and an oil supply stator, and the oil supply stator is connected to the center rod; The oil supply outer rotor is arranged in the oil supply housing, and an inner rotation hole is eccentrically arranged in the axial direction of the oil supply outer rotor, and the oil supply inner rotor is arranged in the inner rotation hole; a waist-shaped hole is arranged in the axial direction of the oil supply inner rotor, and the oil supply stator matches the waist-shaped hole; An outer oil inlet hole penetrating the oil supply outer rotor is provided in the radial direction of the oil supply outer rotor, and an inner oil inlet hole penetrating the oil supply inner rotor is provided in the radial direction of the oil supply inner rotor. When the oil supply outer shell rotates following the crankshaft, it drives the oil supply outer rotor to swing and drives the oil supply inner rotor to slide on the oil supply stator, so that the oil inlet port of the oil pool, the outer oil inlet hole and the inner oil inlet hole can be connected to or disconnected from each other, so as to transport the lubricating oil to the oil inlet groove.

3. The compressor oil supply structure according to claim 2, characterized in that: The oil supply groove is arranged on the oil supply outer rotor, and is used for connecting the inner oil inlet hole and the oil supply groove after the oil inlet port of the oil pool, the outer oil inlet hole and the inner oil inlet hole are switched from being connected to each other to being disconnected from each other.

4. The compressor oil supply structure according to claim 1, characterized in that: The oil inlet groove is an annular groove, and the oil inlet groove is connected to the oil supply gap through a crankshaft connecting hole.

5. The compressor oil supply structure according to claim 4, characterized in that: The oil inlet grooves are provided in at least two groups, and an oil groove communicating hole is provided between at least two groups of the oil inlet grooves.

6. The compressor oil supply structure according to claim 5, characterized in that: The projection of the oil supply groove in the axial direction of the oil supply outer rotor partially overlaps or completely overlaps with at least one group of the oil inlet grooves.

7. The compressor oil supply structure according to claim 2, characterized in that: The oil supply stator is provided with a trimming structure so that the oil supply stator is matched with the waist-shaped hole.

8. The compressor oil supply structure according to claim 2, characterized in that: The diameter of the outer oil inlet hole is smaller than the diameter of the inner oil inlet hole.

9. A compressor, characterized in that: It comprises the compressor oil supply structure as described in any one of claims 1-8.

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