Compressor and refrigeration equipment

Abstract

The present invention provides a compressor and a refrigeration device. The compressor includes: a housing; a main frame disposed within the housing, the main frame including a guiding structure configured to be adapted to position the main frame. In the compressor proposed by the present invention, through the cooperation of the guiding structure and the tooling, the positioning process of the main frame can be effectively simplified, the positioning efficiency of the main frame can be improved, and it is convenient for the staff to carry out the assembly operation.

Description

Technical Field

[0001] The present invention relates to the technical field of compressors, and in particular, to a compressor and a refrigeration device. Background Art

[0002] As the main structure of the compressor, the main frame is fixed on the inner wall surface of the compressor housing and can be used to support the scroll moving disk and fix the scroll stationary disk. Therefore, the compressor has extremely high requirements for the positioning accuracy of the main frame.

[0003] In the related art, the axial displacement during the welding process of the main frame is restricted by tightening the bolt holes on the main frame, and the radial displacement is restricted by the cooperation of the internal cylindrical hole of the main frame and the tooling. This positioning method requires both the peripheral thread and the internal cylindrical hole to meet the tooling, and requires multiple operations and adjustments by the staff, resulting in low work efficiency and seriously affecting the production efficiency of the compressor. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, in the first aspect of the present invention, a compressor is provided.

[0006] In the second aspect of the present invention, a refrigeration device is provided.

[0007] In the first aspect of the present invention, a compressor is provided, including: a housing; a main frame disposed within the housing, the main frame including a guiding structure configured to be adapted to position the main frame.

[0008] The compressor proposed by the present invention includes a housing and a main frame. Among them, the main frame is disposed inside the housing and can be connected to the inner wall of the housing by welding or other connection methods. In particular, the main frame includes a guiding structure, which can be used in cooperation with the tooling to complete the positioning and installation of the main frame.

[0009] Specifically, the compressor has extremely high requirements for the positioning accuracy of the main frame. During the assembly process of the compressor proposed by the present invention, the tooling is inserted into the inside of the guiding structure. The tooling itself is a retractable structure and can be driven by means such as hydraulic pressure. When the tooling is inserted into the inside of the guiding structure, the tooling is driven to expand. At this time, the tooling is in close contact with the inner wall of the guiding structure, and the precise positioning of the main frame is achieved through the cooperation of the tooling and the guiding structure, ensuring the precise position of the main frame inside the housing, guaranteeing the assembly accuracy of the compressor, and ensuring the relative position stability between the main frame and the inner wall of the housing, thereby enabling the staff to carry out subsequent installation work.

[0010] In addition, due to the good cooperation between the tooling and the guiding structure, the staff only needs to perform one operation to position the main frame, with a simple technological process, which can greatly improve the production efficiency of the compressor and thus reduce the cost of the compressor. That is to say, for the compressor proposed by the present invention, through the cooperation between the guiding structure and the tooling, the positioning process of the main frame can be effectively simplified, the positioning efficiency of the main frame can be improved, and it is convenient for the staff to carry out the assembly operation.

[0011] For the compressor according to the above technical solution of the present invention, it may further have the following additional technical features:

[0012] In the above technical solution, the main frame further includes a body, and the guiding structure includes: a guiding cavity provided on the body, and one end of the guiding cavity is open; a centering cavity provided on the body and communicating with the guiding cavity.

[0013] In this technical solution, the main frame further includes a body, and the guiding structure includes a guiding cavity and a centering cavity. Among them, the body is the main structure of the main frame, and both the guiding cavity and the centering cavity are provided on the body. In particular, the guiding cavity is provided on the upper end face of the body, and one end of the guiding cavity is open; the centering cavity is provided in the middle of the body, and the centering cavity communicates with the guiding cavity. During the process of assembling the compressor, the tooling is first in a contracted state, and the tooling in the contracted state enters the centering cavity through the guiding cavity; then, the tooling is in an expanded state, and the tooling in the expanded state is in close contact with the inner wall of the centering cavity, ensuring the stable connection between the tooling and the main frame and at the same time ensuring the accurate positioning of the main frame.

[0014] In particular, the above operation process is simple. It only needs to insert the tooling into the centering cavity through the guiding cavity and control the contraction or expansion of the tooling, and one operation can complete it. Moreover, the guiding cavity and the positioning cavity are arranged inside the body of the main frame, with no requirements for the external dimensions of the main frame, and it can be applicable to main frames of different specifications and sizes, having strong versatility and being conducive to the serialized design of compressor products.

[0015] In any of the above technical solutions, the centering cavity includes: a first sub-cavity provided on the body and communicating with the guiding cavity; a second sub-cavity provided between the guiding cavity and the first sub-cavity, and the inner wall of the second sub-cavity is inclined.

[0016] In this technical solution, the centering cavity includes a first sub-cavity and a second sub-cavity. Among them, the first sub-cavity is located inside the main body, the second sub-cavity is located between the guiding cavity and the first sub-cavity, and the first sub-cavity is communicated with the guiding cavity through the second sub-cavity, ensuring that the tooling can enter the inside of the first sub-chamber through the guiding cavity. In addition, the inner wall of the second sub-cavity is inclined, and the size of the end of the second sub-cavity connected to the first sub-chamber is larger than the size of the end of the second sub-cavity connected to the guiding cavity, so that the inner wall of the second sub-cavity forms an inclined plane. The second sub-cavity with an inclined inner wall can play a good guiding and centering role, facilitating the construction of the staff.

[0017] In any of the above technical solutions, the compressor further includes: a rotating shaft disposed inside the housing, and the guiding cavity and the centering cavity are distributed along the axis direction of the rotating shaft; a first scroll disk connected to the rotating shaft and supported on the main frame.

[0018] In this technical solution, the compressor further includes a rotating shaft and a first scroll disk. Among them, the rotating shaft is disposed inside the housing and extends along the height direction of the housing. The guiding cavity and the centering cavity are distributed along the axis direction of the rotating shaft. The guiding cavity is located above the centering cavity, and the two are distributed in the vertical direction. In addition, the first scroll disk is connected to the rotating shaft and can perform a rotary motion driven by the rotating shaft, and then cooperate with other structures to compress the medium. In particular, the first scroll disk is in contact with the upper end surface of the main frame and is supported by the upper end surface of the main frame to ensure the stability of the internal structure of the housing.

[0019] That is to say, inside the housing, the rotating shaft passes through the main frame and is connected to the first scroll disk. The first scroll disk is in direct contact with the upper end surface of the main frame and is supported by the upper end surface of the main frame.

[0020] In any of the above technical solutions, the angle formed by the straight line where the generatrix of the inner wall of the second sub-cavity is located and the axis of the rotating shaft is greater than or equal to 5°.

[0021] In this technical solution, the angle formed by the straight line where the generatrix of the inner wall of the second sub-cavity is located and the axis of the rotating shaft is also regarded as the inclination degree of the inner wall of the second sub-cavity. And this angle is greater than or equal to 5°. On the one hand, it ensures the coordination of the internal structure of the main body of the main frame, especially ensuring the coordination of the structure at the transition between the first sub-cavity and the guiding cavity; on the other hand, the inclined plane with the above inclination degree can ensure that the second sub-cavity has a good guiding and positioning effect, facilitating the entry and extraction of the tooling, and at the same time facilitating the positioning of the main frame.

[0022] In any of the above technical solutions, when a cross-section of the main frame is taken along the direction perpendicular to the axis of the rotating shaft, the cross-sectional area of the guiding cavity is smaller than the cross-sectional area of the first sub-cavity.

[0023] In this technical solution, when the main frame is sectioned along the axis perpendicular to the rotating shaft, a first cross-section can be intercepted in the guiding cavity, and a second cross-section can be intercepted in the first sub-cavity. In particular, the area of the first cross-section is smaller than that of the second cross-section. That is to say, the radial dimension of the first sub-cavity is larger than that of the guiding cavity, or the transverse dimension of the first sub-cavity is larger than that of the guiding cavity, ensuring that there is enough space in the first sub-cavity to cooperate with the tooling, especially to cooperate with the tooling after it is unfolded, and further improving the positioning stability of the main frame.

[0024] In particular, the tooling is in a contracted state before entering the centering cavity and becomes in an unfolded state only after entering the interior of the centering cavity. Therefore, setting the cross-sectional area of the guiding cavity to be smaller than that of the first sub-cavity can not only ensure that the tooling in the contracted state can smoothly enter the interior of the centering cavity, but also play a certain limiting role on the tooling in the unfolded state inside the centering cavity, further improving the stability during the positioning and assembly of the main frame.

[0025] In any of the above technical solutions, the main frame further includes: a support structure, which is arranged on the body and located on the outer periphery of the guiding structure, and the support structure is coaxially arranged with the guiding cavity.

[0026] In this technical solution, the main frame further includes a support structure. Among them, the support structure and the guiding structure are the same and are both arranged on the body of the main frame. The difference is that along the radial direction of the main frame, the guiding structure is distributed in the middle of the body, and the support structure is distributed on the outer periphery of the guiding structure, ensuring the generality of the guiding structure while ensuring the reasonable position of the support structure and the guiding structure. Specifically, during the assembly of the main frame, the main frame can be placed inside the casing through the support structure and supported by the support structure to ensure the structural stability of the main frame and facilitate the operation of the staff.

[0027] In addition, the support structure is coaxially arranged with the guiding cavity, making the structural design of the main frame more reasonable, ensuring that the tooling can cooperate with the middle position of the main frame, and facilitating the user to adjust the position of the main frame.

[0028] In any of the above technical solutions, the compressor further includes: a second scroll disk, which is arranged inside the casing; among them, both the first scroll disk and the second scroll disk include a base plate and scroll teeth, the scroll teeth are arranged on the base plate, and the first scroll disk and the second scroll disk jointly form a plurality of compression chambers.

[0029] In this technical solution, the compressor further includes a second scroll disk. The second scroll disk is the same as the first scroll disk and is disposed inside the housing, and can cooperate with the first scroll disk to compress the medium. Specifically, both the first scroll disk and the second scroll disk include a base plate and scroll teeth, and the scroll teeth are located between the two base plates, so that the first scroll disk and the second scroll disk jointly form a plurality of compression chambers. During the operation of the compressor, the rotating shaft drives the first scroll disk to perform a rotary motion, thereby causing the first scroll disk to cooperate with the second scroll disk to compress the medium.

[0030] Specifically, the first scroll disk is a moving scroll disk, the second scroll disk is a stationary scroll disk, the first scroll disk is connected to the rotating shaft, and the second scroll disk is disposed above the first scroll disk.

[0031] In any of the above technical solutions, the plurality of compression chambers include: a suction chamber formed between the first scroll disk and the second scroll disk; a discharge chamber formed between the first scroll disk and the second scroll disk; and an intermediate pressure chamber communicating with the suction chamber and the discharge chamber.

[0032] In this technical solution, the plurality of compression chambers include a suction chamber, an intermediate pressure chamber, and a discharge chamber. The intermediate pressure chamber is formed between the suction chamber and the discharge chamber and communicates with both the suction chamber and the discharge chamber at the same time. During the operation of the compressor, the suction chamber sucks in the medium, the medium in the suction chamber enters the intermediate pressure chamber and is compressed, and the compressed medium enters the discharge chamber and is finally discharged from the compressor.

[0033] In any of the above technical solutions, the compressor proposed by the present invention is a scroll compressor.

[0034] The second aspect of the present invention provides a refrigeration device, including: a compressor according to any of the above technical solutions.

[0035] The refrigeration device proposed by the present invention includes a compressor according to any of the above technical solutions. Therefore, it has all the beneficial effects of the above compressor and will not be elaborated here one by one.

[0036] Specifically, the refrigeration device proposed by the present invention includes, but is not limited to: air conditioners, refrigerators, freezers, display cabinets, etc.

[0037] The additional aspects and advantages of the present invention will become apparent in the following description section, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The above and / or additional aspects and advantages of the present invention will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0039] Figure 1 is a schematic structural diagram of a compressor according to an embodiment of the present invention;

[0040] Figure 2 is Figure 1 A cross-sectional view of the main frame in the compressor of the illustrated embodiment;

[0041] Figure 3 is Figure 2 A partially enlarged view at location A of the cross-sectional view of the illustrated embodiment.

[0042] Wherein, Figures 1 to 3 The corresponding relationship between the reference numerals and the component names in the figures is as follows:

[0043] 102 housing, 104 main frame, 1042 guiding structure, 1044 guiding cavity, 1046 centering cavity, 1048 first sub-cavity, 1050 second sub-cavity, 1052 inner wall, 1054 supporting structure, 1056 body, 106 rotating shaft, 108 first scroll disk, 110 second scroll disk. Specific embodiments

[0044] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0045] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

[0046] Next, refer to Figures 1 to 3 to describe a compressor and a refrigeration device according to some embodiments of the present invention.

[0047] Embodiment 1:

[0048] As Figure 1 and Figure 2 shown, the first embodiment of the present invention provides a compressor, including: a housing 102 and a main frame 104; the main frame 104 includes a guiding structure 1042.

[0049] Wherein, as Figure 1 shown, the main frame 104 is disposed inside the housing 102 and can be connected to the inner wall of the housing 102 by welding or other connection means. The guiding structure 1042 can be used in cooperation with a tooling to complete the positioning and installation of the main frame 104.

[0050] Specifically, the compressor has extremely high requirements for the positioning accuracy of the main frame 104. During the assembly process of the compressor proposed by the present invention, a tooling is inserted into the inside of the guiding structure 1042. The tooling itself is a retractable structure and can be driven by hydraulic means or the like. After the tooling is inserted into the inside of the guiding structure 1042, the tooling is driven to expand. At this time, the tooling is in close contact with the inner wall of the guiding structure 1042. Through the cooperation of the tooling and the guiding structure 1042, the accurate positioning of the main frame 104 is achieved, ensuring the accurate position of the main frame 104 inside the housing 102 and ensuring the relative position stability between the main frame 104 and the inner wall of the housing 102. Furthermore, it enables the staff to carry out subsequent installation work.

[0051] In addition, due to the good cooperation between the tooling and the guiding structure 1042, the staff only needs to perform one operation to achieve the positioning of the main frame 104. The process is simple, which can greatly improve the production efficiency of the compressor and thus reduce the cost of the compressor.

[0052] That is to say, for the compressor proposed in this embodiment, through the cooperation between the guiding structure 1042 and the tooling, the positioning process of the main frame 104 can be effectively simplified, the positioning efficiency of the main frame 104 can be improved, and it is convenient for the staff to carry out the assembly operation.

[0053] Embodiment Two:

[0054] As Figure 1 、 Figure 2 and Figure 3 shown, the second embodiment of the present invention proposes a compressor, including: a housing 102 and a main frame 104; the main frame 104 includes a body 1056 and a guiding structure 1042; the guiding structure 1042 includes a guiding cavity 1044 and a centering cavity 1046.

[0055] Among them, as Figure 1 shown, the main frame 104 is arranged inside the housing 102 and can be connected to the inner wall of the housing 102 by welding or other connection means. The guiding structure 1042 can be used in cooperation with the tooling to complete the positioning and installation of the main frame 104.

[0056] Specifically, as Figure 2 shown, the guiding cavity 1044 is arranged on the upper end surface of the body 1056, and one end of the guiding cavity 1044 is open; the centering cavity 1046 is arranged in the middle of the body 1056, and the centering cavity 1046 is communicated with the guiding cavity 1044. During the assembly process of the compressor, the tooling is first in a contracted state. The tooling in the contracted state enters the centering cavity 1046 through the guiding cavity 1044; then, the tooling is in an expanded state. The tooling in the expanded state is in close contact with the inner wall of the centering cavity 1046, ensuring the stable connection between the tooling and the main frame 104 and at the same time ensuring the accurate positioning of the main frame 104.

[0057] In addition, the above operation process is simple. It only needs to insert the tooling into the centering cavity 1046 through the guiding cavity 1044 and control the tooling to contract or expand, and one operation can complete it. Moreover, the guiding cavity 1044 and the positioning cavity are arranged inside the main body 1056 of the main frame 104, and there is no requirement for the external dimensions of the main body 1056 of the main frame 104, which can be applicable to the positioning of main frames 104 with different specifications and sizes, having extremely strong versatility and being beneficial to realizing the serialized design of compressor products.

[0058] In this embodiment, further, as Figure 2 shown, the centering cavity 1046 includes a first sub-cavity 1048 and a second sub-cavity 1050. Among them, the first sub-cavity 1048 is located inside the main body 1056, the second sub-cavity 1050 is located between the guiding cavity 1044 and the first sub-cavity 1048, and the first sub-cavity 1048 is connected to the guiding cavity 1044 through the second sub-cavity 1050, ensuring that the tooling can enter the inside of the first sub-chamber through the guiding cavity 1044.

[0059] Moreover, the inner wall 1052 of the second sub-cavity 1050 is inclined, and the dimension of the end of the second sub-cavity 1050 connected to the first sub-chamber is larger than the dimension of the end of the second sub-cavity 1050 connected to the guiding cavity 1044, so that the inner wall 1052 of the second sub-cavity 1050 forms an inclined plane. The second sub-cavity 1050 with the inclined inner wall 1052 can play a good role in guiding and centering, facilitating the construction of the staff.

[0060] In this embodiment, further, as Figure 1 shown, the compressor further includes a rotating shaft 106 and a first scroll disk 108.

[0061] Among them, the rotating shaft 106 is arranged inside the housing 102 and extends along the height direction of the housing 102. The guiding cavity 1044 and the centering cavity 1046 are distributed along the axial direction of the rotating shaft 106. The guiding cavity 1044 is located above the centering cavity 1046, and the two are distributed vertically. In addition, the first scroll disk 108 is connected to the rotating shaft 106 and can perform a rotary motion driven by the rotating shaft 106, and then cooperate with other structures to compress the medium. In particular, the first scroll disk 108 is in contact with the upper end surface of the main frame 104 and is supported by the upper end surface of the main frame 104, ensuring the stability of the internal structure of the housing 102.

[0062] In a specific embodiment, inside the housing 102, as Figure 1 shown, the rotating shaft 106 passes through the main frame 104 and is connected to the first scroll disk 108. The first scroll disk 108 is in direct contact with the upper end surface of the main frame 104 and is supported by the upper end surface of the main frame 104.

[0063] In this embodiment, further, as Figure 3 shown, an angle α is formed between the straight line where the generatrix of the inner wall 1052 of the second sub-cavity 1050 is located and the axis of the rotating shaft 106, and the angle α ≥ 5°.

[0064] The angle α formed between the straight line where the generatrix of the inner wall 1052 of the second sub-cavity 1050 is located and the axis of the rotating shaft 106 is α ≥ 5°. On the one hand, it ensures the coordination of the internal structure of the main frame 104, especially the coordination of the structure at the transition between the first sub-cavity 1048 and the guiding cavity 1044. On the other hand, the inclined surface with the above-mentioned inclination degree can ensure that the second sub-cavity 1050 has a good guiding and positioning effect, facilitating the entry and extraction of the tooling, and at the same time facilitating the positioning of the main frame 104.

[0065] In this embodiment, further, when the main frame 104 is sectioned along the direction perpendicular to the axis of the rotating shaft 106, a first cross-section can be intercepted in the guiding cavity 1044, and a second cross-section can be intercepted in the first sub-cavity 1048. In particular, the area of the first cross-section is smaller than the area of the second cross-section.

[0066] That is to say, the radial dimension of the first sub-cavity 1048 is larger than the radial dimension of the guiding cavity 1044, or in other words, the lateral dimension of the first sub-cavity 1048 is larger than the lateral dimension of the guiding cavity 1044, ensuring that there is sufficient space in the first sub-cavity 1048 to cooperate with the tooling, especially to cooperate with the expanded tooling, and further improving the positioning stability of the main frame 104.

[0067] In a specific embodiment, as Figure 2 shown, it can be clearly seen from the cross-sectional view of the main frame 104 that the radial dimension of the first sub-cavity 1048 is L2, and the radial dimension of the guiding cavity 1044 is L1, satisfying L2 > L1.

[0068] In a specific embodiment, the tooling is in a contracted state before entering the centering cavity 1046 and becomes in an expanded state only after entering the inside of the centering cavity 1046. Therefore, setting the cross-sectional area of the guiding cavity 1044 to be smaller than the cross-sectional area of the first sub-cavity 1048 can not only ensure that the tooling in the contracted state can smoothly enter the inside of the centering cavity 1046, but also play a certain limiting role on the tooling in the expanded state inside the centering cavity 1046, further improving the stability during the positioning and assembly of the main frame 104.

[0069] In this embodiment, further, as Figure 2As shown in the figure, the main frame 104 further includes a support structure 1054. Among them, the support structure 1054 is the same as the guiding structure 1042, and both are arranged on the main body 1056 of the main frame 104. The difference is that along the radial direction of the main frame 104, the guiding structure 1042 is distributed in the middle of the main body 1056, and the support structure 1054 is distributed on the outer periphery of the guiding structure 1042, ensuring the universality of the guiding structure 1042 while ensuring the reasonable position of the support structure 1054 and the guiding structure 1042.

[0070] In a specific embodiment, during the assembly of the main frame 104, the main frame 104 can be placed inside the casing 102 through the support structure 1054 and supported by the support structure 1054 to ensure the structural stability of the main frame 104 and facilitate the operation of the staff at the same time.

[0071] In addition, as Figure 2 shown, the support structure 1054 is coaxially arranged with the guiding cavity 1044, making the structural design of the main frame 104 more reasonable, ensuring that the tooling can be used in cooperation with the middle position of the main frame 104, and facilitating the user to adjust the position of the main frame 104.

[0072] Embodiment Three:

[0073] As Figure 1 and Figure 2 shown, the third embodiment of the present invention proposes a compressor, including: a casing 102, a main frame 104, a rotating shaft 106, a first scroll disk 108 and a second scroll disk 110; the main frame 104 includes a guiding structure 1042.

[0074] Among them, as Figure 1 shown, the main frame 104 is arranged inside the casing 102 and can be connected to the inner wall of the casing 102 by welding or other connection methods. The guiding structure 1042 can be used in cooperation with the tooling to complete the positioning and installation of the main frame 104. The beneficial effects of this guiding structure 1042 are the same as those in Embodiment One and Embodiment Two, and will not be repeated here.

[0075] In addition, as Figure 1 shown, the rotating shaft 106 passes through the main frame 104 and is connected to the first scroll disk 108. The first scroll disk 108 is connected to the rotating shaft 106 and can perform a rotary motion driven by the rotating shaft 106 to cooperate with the second scroll disk 110 to compress the medium. In addition, the first scroll disk 108 is in direct contact with the upper end surface of the main frame 104 and is supported by the upper end surface of the main frame 104.

[0076] Specifically, the second scroll disk 110 is the same as the first scroll disk 108, and both are disposed inside the housing 102 and can cooperate with the first scroll disk 108 to compress the medium. Moreover, both the first scroll disk 108 and the second scroll disk 110 include a base plate and scroll teeth, and the scroll teeth are located between the two base plates, so that the first scroll disk 108 and the second scroll disk 110 jointly form a plurality of compression chambers. During the operation of the compressor, the rotating shaft 106 drives the first scroll disk 108 to perform a rotary motion, thereby enabling the first scroll disk 108 to cooperate with the second scroll disk 110 to compress the medium.

[0077] In a specific embodiment, the first scroll disk 108 is a moving scroll disk, the second scroll disk 110 is a stationary scroll disk, the first scroll disk 108 is connected to the rotating shaft 106, and the second scroll disk 110 is disposed above the first scroll disk 108.

[0078] In this embodiment, further, the plurality of compression chambers include a suction chamber, an intermediate pressure chamber, and a discharge chamber. Among them, the intermediate pressure chamber is formed between the suction chamber and the discharge chamber and is simultaneously in communication with both the suction chamber and the discharge chamber. During the operation of the compressor, the suction chamber sucks in the medium, the medium in the suction chamber enters the intermediate pressure chamber to be compressed, the compressed medium enters the discharge chamber, and finally is discharged from the compressor.

[0079] Embodiment Four:

[0080] The fourth embodiment of the present invention proposes a refrigeration device, including a compressor as in any of the above embodiments (not shown in the figure for this embodiment).

[0081] The refrigeration device proposed in this embodiment includes a compressor as in any of the above embodiments. Therefore, it has all the beneficial effects of the above compressor, and will not be elaborated one by one here.

[0082] In any of the above embodiments, the compressor is a scroll compressor.

[0083] In any of the above embodiments, the refrigeration device includes, but is not limited to: air conditioners, refrigerators, freezers, display cabinets, etc. Specific Embodiment:

[0085] Such as Figure 1 and Figure 2As shown in the figure, this specific embodiment proposes a compressor and its assembly method. More specifically, the compressor is a scroll compressor. Among them, the compressor includes a housing 102, an upper housing, and a main frame 104. The main frame 104 is combined with the inner side of the housing 102. The compressor further includes a first scroll disk 108, which performs a swirling motion through the rotation of a rotating shaft 106 and is supported by the main frame 104. The compressor also includes a second scroll disk 110, which is arranged on one side of the first scroll disk 108 and forms a plurality of compression chambers together with the first scroll disk 108. In addition, the main frame 104 has an external support structure 1054 and an internal guiding structure 1042, and the guiding structure 1042 can be used to position the fixation of the main frame 104, which is beneficial to the assembly of the compressor.

[0086] According to the technical solution proposed in this embodiment, through the precise positioning of the main frame 104, the assembly accuracy of the compressor can be guaranteed. At the same time, the structure has strong versatility, which is convenient for the serialization of the compressor and the improvement of the automation efficiency of the production line.

[0087] Specifically, as Figure 1 shown, the compressor proposed in this specific embodiment includes: a first scroll disk 108, which has a base plate and scroll teeth connected to the base plate; a second scroll disk 110, which forms a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll disk 108; a main frame 104, as Figure 2 shown, the main frame 104 is arranged below the first scroll disk 108 and the second scroll disk 110 and is in direct contact with the first scroll disk 108. An internal guiding structure 1042 is provided inside the main frame 104. The guiding structure 1042 has a guiding cavity 1044 and a centering cavity 1046, and the guiding cavity 1044 and the centering cavity 1046 are arranged along the axial direction of the rotating shaft 106.

[0088] Furthermore, as Figure 2 shown, the guiding cavity 1044 extends to the central end face, and the guiding cavity 1044 is concentrically arranged with the outer diameter of the support structure 1054 of the main frame 104. The centering cavity 1046 includes a first sub-cavity 1048 and a second sub-cavity 1050, and the inner wall 1052 of the second sub-cavity 1050 is inclined. The guiding cavity 1044 and the centering cavity 1046 of the main frame 104 are arranged axially in sequence, the guiding cavity 1044 extends axially and is connected to the centering cavity 1046, and the inner wall 1052 of the second sub-cavity 1050 is located between the first sub-cavity 1048 and the guiding cavity 1044. As Figure 3 shown, for the inclined angle part of the inner wall 1052 of the second sub-cavity 1050, the included angle α between the straight line where the generatrix of the inner wall 1052 of the second sub-cavity 1050 is located and the straight line where the central axis is located is greater than 5°; as Figure 2As shown, the radial dimension L1 of the guiding cavity 1044 is smaller than that of the centering cavity 1046. Among them, the radial dimension L2 of the first sub-cavity 1048 is the largest, which is used to accommodate the assembly tooling.

[0089] The traditional mainframe positioning process needs to assemble multiple combined components through multiple processes to complete. Compared with the traditional mainframe positioning process, the positioning of the mainframe 104 in this specific embodiment can be completed only through one positioning. The process assembly is simple, which can improve the production efficiency of the compressor. The mainframe 104 is positioned by using the second sub-cavity 1050 with an inclined inner wall 1052. It is easy to ensure the size of the inner cylindrical hole of the mainframe 104, achieving high positioning accuracy, improving the overall assembly accuracy of the machine, and being beneficial to improving the coaxiality of the whole compressor and the reliability of the compressor. Moreover, adopting this process structure has no influence on other dimensions of the mainframe 104, which is beneficial to the series design of compressor products.

[0090] In a specific embodiment, the compressor proposed in this embodiment is a scroll compressor, which has a moving scroll plate with scroll teeth and a stationary scroll plate with scroll teeth. The moving scroll plate performs a orbiting motion relative to the stationary scroll plate. When the moving scroll plate and the stationary scroll plate are engaged with each other, as the moving scroll plate performs the orbiting motion, the volume of the pressure chamber formed between the moving scroll plate and the stationary scroll plate is reduced. Therefore, the pressure of the medium in the pressure chamber can be increased, and the medium is discharged from the discharge port formed in the central part of the stationary scroll plate.

[0091] A back-pressure regulating chamber is formed on the stationary scroll plate, and the back-pressure chamber has a back-pressure chamber surface with an intermediate pressure between the discharge pressure and the suction pressure. That is to say, through the back-pressure regulating chamber, the moving scroll plate and the stationary scroll plate can contact each other with appropriate force, refrigerant leakage can be prevented, lubrication can be increased, while the contact force can be adjusted and the friction of the contact can be reduced, but the sealing force is not reduced.

[0092] In the description of the present invention, the term "plurality" means two or more, unless otherwise clearly defined. The orientation or positional relationship indicated by terms such as "upper", "lower", etc. is 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, so it cannot be understood as a limitation to the present invention; terms such as "connection", "installation", "fixation", etc. should all be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium. 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.

[0093] In the description of this specification, the descriptions of the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0094] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A compressor, characterized in that, Comprising: A housing; A main frame disposed within the housing, the main frame including a guiding structure configured to be adapted to position the main frame; The main frame further includes a body, and the guiding structure includes: A guiding cavity disposed on the body, and one end of the guiding cavity is open; A centering cavity disposed on the body and communicating with the guiding cavity; The centering cavity includes: A first sub-cavity disposed on the body and communicating with the guiding cavity; A second sub-cavity disposed between the guiding cavity and the first sub-cavity, and the inner wall of the second sub-cavity is inclined; The compressor further includes: A rotating shaft disposed within the housing, and the guiding cavity and the centering cavity are distributed along the axis direction of the rotating shaft; Taking a cross-section of the main frame in a direction perpendicular to the axis of the rotating shaft, the cross-sectional area of the guiding cavity is smaller than the cross-sectional area of the first sub-cavity, and the radial dimension of the first sub-cavity is larger than the radial dimension of the guiding cavity; The straight line where the generatrix of the inner wall of the second sub-cavity is located forms an angle with the axis of the rotating shaft, and the angle is greater than or equal to 5°.

2. The compressor according to claim 1, characterized in that, Further comprising: A first scroll disk connected to the rotating shaft and supported on the main frame.

3. The compressor according to claim 1 or 2, characterized in that, The main frame further includes: A supporting structure disposed on the body and located on the outer periphery of the guiding structure, and the supporting structure is coaxially arranged with the guiding cavity.

4. The compressor according to claim 2, wherein, Further comprising: A second scroll disk disposed within the housing; Wherein, both the first scroll disk and the second scroll disk include a substrate and scroll teeth, the scroll teeth are disposed on the substrate, and the first scroll disk and the second scroll disk together form a plurality of compression chambers.

5. The compressor according to claim 4, characterized in that, The plurality of compression chambers include: An intake chamber formed between the first scroll disk and the second scroll disk; A discharge chamber formed between the first scroll disk and the second scroll disk; An intermediate pressure chamber communicating with the intake chamber and the discharge chamber.

6. A refrigeration device, characterized in that, Comprising: The compressor according to any one of claims 1 to 5.

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