Air cylinder and compressor

Abstract

The invention provides an air cylinder and a compressor, and the air cylinder comprises a compression cavity formed in the outer wall of the air cylinder; the air suction channel is used for communicating the compression cavity with the liquid separator and comprises M air inlets and an air outlet; m is an integer greater than 1; the air outlet is simultaneously communicated with the M air inlets; the air inlet is communicated with the liquid separator, and the air outlet is communicated with the compression cavity. According to the air cylinder, the multiple air inlets are formed in the air suction channel and communicate with the air outlet, on the basis that the size and the structure of the air cylinder are kept unchanged, the design cost of the air cylinder is reduced, and the air suction amount of the air cylinder is increased.

Description

Technical Field

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

[0002] With the development of technology, air-conditioning compressors are moving towards variable frequency control. Compared with large-displacement compressors, variable frequency compressors usually use smaller displacement to increase the operating frequency. The operating frequency of variable frequency compressors is getting higher and higher, and the adjustment range of the operating frequency is getting wider and wider. At the same time, with the market demand for low cost and high quality, variable frequency compressors are further developing in the direction of miniaturization, and the size of the compressor body is also further reduced.

[0003] Small displacement and small body mean that the parts are relatively small. Due to structural limitations, the channel connecting the compressor distributor to the cylinder compression chamber is insufficient, resulting in insufficient refrigerant intake by the compressor during high-frequency operation, such as Figure 1 As shown, it is a schematic diagram of the structure of the compressor cylinder in the prior art, and the cylinder includes: a compression chamber 12 arranged inside the cylinder outer wall 11 and an air intake channel 10 for connecting the compression chamber and the liquid distributor; the air intake channel 10 is arranged in the side area of ​​the slide groove 13. As the volume of the cylinder is reduced, the inner diameter of the air intake channel is also reduced accordingly, which leads to insufficient air intake when the compressor is running at high frequency, thereby resulting in insufficient capacity, affecting the normal operation of the compressor under high frequency operation. Summary of the invention

[0004] In order to overcome the problems existing in the related art, one of the objects of the present invention is to provide a cylinder. By arranging multiple air inlets in the intake channel, and the multiple air inlets are connected to the air outlets, the cylinder design cost is reduced and the cylinder intake volume is increased while maintaining the cylinder volume and structure unchanged.

[0005] A cylinder, comprising:

[0006] A compression chamber disposed inside the outer wall of the cylinder;

[0007] An air intake channel for connecting the compression chamber and the liquid distributor, the air intake channel includes M air inlets and one air outlet; M is an integer greater than 1; and the air outlet is connected to the M air inlets at the same time; the air inlet is connected to the liquid distributor, and the air outlet is connected to the compression chamber.

[0008] In the present application, M air inlets are simultaneously connected to one air outlet, and the M air inlets are connected to the refrigerant in the liquid distributor, and the air outlet is connected to the compression chamber inside the outer wall of the cylinder, ensuring that during the air intake process of the cylinder, the refrigerant is simultaneously transmitted by the M air inlets, thereby increasing the air intake volume of the cylinder; at the same time, the present application has a simple structure, does not require changing the original structure and design of the cylinder, and can maintain the miniaturization of the cylinder. On the basis of maintaining the cylinder volume and structure unchanged, the air intake volume of the cylinder is significantly increased.

[0009] In a preferred technical solution of the present invention, the cross section of the compression chamber is circular, and the outer wall of the cylinder is arranged around the outer side of the compression chamber; the air intake passage is located in the outer wall of the cylinder;

[0010] The air intake channel includes a reference flow channel and M-1 auxiliary flow channels, the reference flow channel includes an air inlet and an air outlet, the auxiliary flow channel includes an air inlet, and the auxiliary flow channel is communicated with the reference flow channel.

[0011] The present application realizes the connection between the reference flow channel and the auxiliary flow channel inside the outer wall of the cylinder, thereby ensuring that the intake channel has two intake ports and one outlet port. The reference flow channel is the intake channel in the original cylinder structure, and only the auxiliary flow channel connected to it needs to be arranged around it. There is no need to change the volume of the original cylinder, and the balance relationship between the intake chamber and the compression chamber inside the compression chamber can be maintained. At the same time, the intake volume of the cylinder is significantly improved.

[0012] In a preferred technical solution of the present invention, the center line of the reference flow channel is parallel to the diameter of the compression chamber; the side of the M-1 auxiliary flow channels away from the air inlet deviates toward the reference flow channel, so that the side of the auxiliary flow channel away from the air inlet is connected to the reference flow channel.

[0013] In the present application, the cross-section of the compression chamber is circular, and the compression chamber is located inside the center of the cylinder. An air outlet connected to the compression chamber is provided in the reference flow channel. Therefore, the center line of the reference flow channel is designed to be parallel to the diameter direction of the compression chamber, which can better maintain the balance relationship between the suction chamber and the compression chamber inside the compression chamber. At the same time, the auxiliary flow channel does not need to be connected to the compression chamber, so that the air inlet side of the auxiliary flow channel can maintain an appropriate distance from the reference flow channel. At the same time, the auxiliary flow channel deviates away from the air inlet side toward the direction of the reference flow channel, and then at the position where the compression chamber is not reached, the auxiliary flow channel and the reference flow channel converge to form a reference flow channel and an auxiliary flow channel connected inside the outer wall of the cylinder.

[0014] In a preferred technical solution of the present invention, the center lines of the reference flow channel and the auxiliary flow channel are parallel to the diameter of the compression chamber; and the reference flow channel and the auxiliary flow channel are connected via a connecting groove.

[0015] Since the outer wall of the cylinder is a ring-like structure, designing the reference flow channel and the auxiliary flow channel in the radial direction inside the outer wall of the cylinder helps to improve the convenience of flow channel molding, thereby improving the molding efficiency of the reference flow channel and the auxiliary flow channel. At the same time, by connecting the reference flow channel and the auxiliary flow channel through the connecting groove, multiple flow channels can be connected together, and the purpose of setting the air inlet separately and sharing one air outlet can be achieved, thereby increasing the air intake volume of the cylinder.

[0016] In a preferred technical solution of the present invention, the center lines of the auxiliary flow channel and the reference flow channel are parallel to the diameter direction of the compression chamber; the center line of the connecting groove is parallel to the outer diameter of the compression chamber.

[0017] In the present application, the cross-section of the reference flow channel and the auxiliary flow channel can be circular or other shapes, that is, in the radial direction of the outer wall of the cylinder, the cross-section of the reference flow channel and the auxiliary flow channel is circular. And the axis or center line of the reference flow channel and the auxiliary flow channel is parallel to the radial direction of the compression chamber. The connecting groove at the end of the auxiliary flow channel is distributed along the circumferential direction of the outer wall of the cylinder, and has a certain width in the radial direction of the outer wall of the cylinder. This structural design can ensure smooth air intake in the air intake channel, smooth transmission of the refrigerant, and further increase the air intake volume of the air intake channel.

[0018] In a preferred technical solution of the present invention, in the first direction, the size of the connecting groove is greater than or equal to 0.75B; B refers to the inner diameter of the air inlet in the reference flow channel;

[0019] In the first direction, the distance between the center line of the connecting groove and the end of the auxiliary flow channel away from the air inlet is less than 5 mm; the first direction refers to the direction parallel to the diameter of the compression chamber.

[0020] The connecting groove has a certain width to ensure the smooth transmission and collection of the refrigerant between the auxiliary flow channel and the reference flow channel. The present application sets the size C of the connecting groove in the first direction to be greater than or equal to 0.75B; it can ensure the best smoothness of the collection of the refrigerant in the intake channel, which helps to improve the intake volume and intake smoothness of the cylinder.

[0021] The closer the connecting groove is to the end of the auxiliary flow channel, the better the refrigerant collection effect of multiple flow channels. Therefore, the present application stipulates that the distance d between the center line of the connecting groove and the end of the auxiliary flow channel away from the air inlet is less than 5 mm, which can ensure the optimal smoothness of the refrigerant collection in the intake channel, and help to improve the intake volume and intake smoothness of the cylinder.

[0022] In a preferred technical solution of the present invention, in the second direction, the size of the connecting groove is greater than or equal to 0.5H; the second direction refers to the direction parallel to the axial centerline of the compression chamber; H refers to the size of the outer wall of the cylinder in the second direction.

[0023] The depth of the connecting groove refers to the dimension in the axial direction of the compression chamber. In this direction, the connecting groove has a certain depth. The present application is limited to the second direction, and the dimension of the connecting groove is greater than or equal to 0.5H, which can ensure the best smoothness of the collection of the refrigerant in the intake channel, and help to improve the intake volume and intake smoothness of the cylinder.

[0024] In a preferred technical solution of the present invention, the connecting groove includes M-1 dividing grooves, and the dividing grooves are used to connect two adjacent auxiliary flow channels or to connect adjacent auxiliary flow channels and a reference flow channel;

[0025] The communicating groove comprises an integral through groove, and the integral through groove is distributed along the circumferential direction of the compression chamber, so that the reference flow channel is connected with M-1 sub-auxiliary flow channels.

[0026] In a preferred technical solution of the present invention, it also includes a vane groove, the center line of which is parallel to the diameter of the compression chamber; and the angle between the reference flow channel and the vane groove is smaller than the angle between the auxiliary flow channel and the vane groove.

[0027] The present application designs the reference flow channel and the vane groove at relatively close positions, and sets the auxiliary flow channel on the side of the reference flow channel away from the vane groove. This can better maintain the balance relationship between the suction chamber and the compression chamber inside the compression chamber, and can increase the cylinder suction volume.

[0028] A second object of the present application is to provide a compressor comprising the cylinder as described above.

[0029] This application does not require changing the original structure and design. By increasing the number of air inlets, the compressor's intake of refrigerant is significantly increased, thereby improving the compressor's operating stability under high-frequency operating conditions.

[0030] The beneficial effects of the present invention are:

[0031] The present invention provides a cylinder, comprising: a compression chamber arranged inside the outer wall of the cylinder, and an air intake channel for connecting the compression chamber and the liquid distributor; the air intake channel comprises M air inlets and one air outlet; M is an integer greater than 1; and the air outlet is connected to the M air inlets at the same time; the air inlet is connected to the liquid distributor, and the air outlet is connected to the compression chamber. In the present application, the M air inlets are connected to one air outlet at the same time, and the M air inlets are connected to the refrigerant in the liquid distributor, and the air outlet is connected to the compression chamber inside the outer wall of the cylinder, ensuring that the refrigerant is transmitted simultaneously by the M air inlets during the air intake process of the cylinder, thereby increasing the air intake volume of the cylinder; at the same time, the present application has a simple structure, does not need to change the original structure and design of the cylinder, and can also maintain the miniaturization of the cylinder, and significantly increases the air intake volume of the cylinder while maintaining the cylinder volume and structure unchanged.

[0032] The compressor provided in the present application, which includes the above-mentioned cylinder, does not need to change the original structure and design. By increasing the number of air inlets, the compressor's suction volume of refrigerant is significantly increased, thereby improving the operating stability of the compressor under high-frequency operating conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of a cylinder in the prior art;

[0034] Figure 2 This is a schematic diagram of the cylinder structure in Example 2;

[0035] Figure 3 This is a schematic diagram of the cylinder structure in Example 3;

[0036] Figure 4 Schematic diagram of the dimensions of the cylinder in Example 3;

[0037] Figure 5 This is a schematic diagram of the cylinder structure in Example 4;

[0038] Figure 6 This is a schematic diagram of the cylinder structure in Example 5;

[0039] Figure 7 This is a schematic diagram of the side dimensions of the cylinder structure in this application.

[0040] Reference numerals:

[0041] 10. Intake channel; 11. Cylinder outer wall; 12. Compression chamber; 13. Sliding vane groove; 14. Reference flow channel; 15. Auxiliary flow channel; 16. Air inlet; 17. Air outlet; 18. Connecting groove; 181. Separating through groove; 182. Integrated through groove. DETAILED DESCRIPTION

[0042] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0043] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The singular forms "a", "the" and "the" used in the present invention and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0044] It should be understood that although the terms "first", "second", "third", etc. may be used to describe various information in the present invention, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0045] Example 1

[0046] like Figure 2-Figure 7 As shown, the present application provides a cylinder, comprising:

[0047] A compression chamber 12 is arranged inside the outer wall 11 of the cylinder;

[0048] An air intake channel for connecting the compression chamber 12 and the liquid distributor, the air intake channel includes M air inlets 16 and one air outlet 17; M is an integer greater than 1; and the air outlet 17 is connected to the M air inlets 16 at the same time; the air inlet 16 is connected to the liquid distributor, and the air outlet 17 is connected to the compression chamber 12.

[0049] The outer wall 11 of the cylinder of the present application is also provided with a vane groove 13, a vane is provided in the vane groove 13, and a roller is provided inside the compression chamber 12. During the operation of the cylinder, the end of the vane is pressed tightly against the outer surface of the roller by relying on the pushing pressure of the spring. The vane and the roller divide the cavity in the cylinder into an intake chamber and a compression chamber 12. While the roller is driven to move by the rotation of the crankshaft, the vane reciprocates, and the cylinder repeats the actions of gas intake, compression and discharge, completing the basic functions of the compressor.

[0050] In order to ensure that the cylinder can stably repeat the gas inhalation, compression and discharge actions, the present application needs to ensure that the cross-sectional area of ​​the air outlet 17, that is, the air outlet 17 on the side of the air intake passage connected to the compression chamber 12, remains unchanged, so that the balance relationship between the air intake chamber and the compression chamber 12 inside the compression chamber 12 can be maintained inside the cylinder outer wall 11 of a specific volume. If the position and number of the air outlet 17 are changed at will, the balance relationship between the air intake chamber and the compression chamber 12 inside the compression chamber 12 cannot be maintained inside the existing small volume and existing structure of the cylinder, which will cause the cylinder to be unable to circulate in an orderly manner.

[0051] The core of the present application is to improve the suction volume by changing the arrangement of the air inlet 16 in the suction channel in the outer wall 11 of the cylinder without changing the internal structure of the compression chamber 12, or the structure of the air outlet 17 and the slide slot 13 connected to the compression chamber 12. Specifically, the present application provides a plurality of air inlets 16 that are interconnected, and the plurality of air inlets 16 are all connected to the air outlet 17, so that during the cylinder suction process, the plurality of air inlets 16 can be sucked from the separator at the same time, and discharged to the inside of the compression chamber 12 at the air outlet 17, thereby improving the suction volume of the cylinder.

[0052] As a specific embodiment, the air intake channel in the present application may include multiple flow channels, each flow channel is provided with an air inlet 16, and multiple flow channels share one air outlet 17. The number of flow channels is M, and in actual operation, M can be any integer greater than 1. Since the air intake channel is provided in the cylinder outer wall 11, the multiple flow channels can be distributed in sequence along the cylinder outer wall 11, or the multiple flow channels can be concentrated in sequence on the sides of the slide groove 13.

[0053] As another specific embodiment, the air intake channel in the present application may include a plurality of flow channels, each of which is provided with an air inlet 16, and the side of each flow channel away from the air inlet 16 approaches each other until they are connected inside the outer wall 11 of the cylinder to form an air outlet 17 connected to the compression chamber 12. That is to say, the air inlets 16 are respectively provided at one end of the plurality of flow channels in the present application, and the other ends are gathered together to form an air outlet 17. The present application defines the side of the outer wall 11 of the cylinder away from the compression chamber 12 as the outer side of the cylinder, and the side close to the compression chamber 12 as the inner side of the cylinder. The side on which the plurality of flow channels are provided with the air inlet 16 is located on the outer side of the outer wall 11 of the cylinder, and the side on which the plurality of flow channels are gathered into an air outlet 17 is located on the inner side of the outer wall 11 of the cylinder.

[0054] In actual operation, based on the existing cylinder volume and structural design, the number of flow channels is designed to be two or three, which can meet the intake volume of the cylinder under high-frequency operation.

[0055] The beneficial effects of this embodiment are as follows: in this embodiment, M air inlets 16 are simultaneously connected to one air outlet 17, and the M air inlets 16 are connected to the refrigerant in the liquid distributor, and the air outlet 17 is connected to the compression chamber 12 inside the outer wall 11 of the cylinder, ensuring that during the air intake process of the cylinder, the refrigerant is simultaneously transmitted by the M air inlets 16, thereby increasing the air intake volume of the cylinder; at the same time, the present application has a simple structure, does not need to change the original structure and design of the cylinder, and can also maintain the miniaturization of the cylinder, and significantly increases the air intake volume of the cylinder while maintaining the cylinder volume and structure unchanged.

[0056] Example 2

[0057] like Figure 2As shown, a cylinder provided in the present application is described by taking M equal to 2 as an example, and specifically includes:

[0058] A compression chamber 12 is arranged inside the outer wall 11 of the cylinder;

[0059] An air intake channel is used to connect the compression chamber 12 and the liquid distributor, and the air intake channel includes two air inlets 16 and one air outlet 17; and the air outlet 17 connects the two air inlets 16 at the same time; the air inlet 16 is connected to the liquid distributor, and the air outlet 17 is connected to the compression chamber 12.

[0060] Specifically, Figure 7 As shown, in this embodiment, the cross-section of the compression chamber 12 is circular, and the cylinder outer wall 11 is arranged on the outside of the compression chamber 12; the intake channel is located in the cylinder outer wall 11; the intake channel includes a reference flow channel 14 and an auxiliary flow channel 15, the reference flow channel 14 includes an air inlet 16 and an air outlet 17, the auxiliary flow channel 15 includes an air inlet 16, and the auxiliary flow channel 15 is connected to the reference flow channel 14.

[0061] This application defines the side of the cylinder outer wall 11 away from the compression chamber 12 as the outer side of the cylinder, and the side close to the compression chamber 12 as the inner side of the cylinder. In this application, the reference flow channel 14 is provided with an air inlet 16 on the outer side of the cylinder, and an air outlet 17 on the inner side of the cylinder; the auxiliary flow channel 15 is located on the side of the reference flow channel 14, and the auxiliary flow channel 15 is only provided with an air inlet 16 on the outer side of the cylinder. Inside the cylinder outer wall 11, the auxiliary flow channel 15 does not penetrate the cylinder outer wall 11, that is, it does not connect the outer side of the cylinder and the inner side of the cylinder, but is connected with the reference flow channel 14, and the connection position must be inside the cylinder outer wall 11, that is, it does not reach the position of the compression chamber 12. The present application realizes the connection between the reference flow channel 14 and the auxiliary flow channel 15 inside the outer wall 11 of the cylinder, thereby ensuring that the intake channel has two intake ports and one outlet port 17. The reference flow channel 14 is the intake channel in the original cylinder structure, and only the auxiliary flow channel 15 connected thereto needs to be arranged around it. There is no need to change the volume of the original cylinder, and the balance relationship between the intake chamber inside the compression chamber 12 and the compression chamber 12 can be maintained, while also significantly improving the intake volume of the cylinder.

[0062] Furthermore, the center line of the reference flow channel 14 in this embodiment is parallel to the diameter of the compression chamber 12; Figure 2 As shown, the side of the auxiliary flow channel 15 away from the air inlet 16 deviates toward the reference flow channel 14 , so that the side of the auxiliary flow channel 15 away from the air inlet 16 is connected to the reference flow channel 14 .

[0063] In the present application, the cross section of the compression chamber 12 is circular, and the compression chamber 12 is located inside the center of the cylinder. An air outlet 17 connected to the compression chamber 12 is provided in the reference flow channel 14. Therefore, the center line of the reference flow channel 14 is designed to be parallel to the diameter direction of the compression chamber 12, so that the balance relationship between the suction chamber inside the compression chamber 12 and the compression chamber 12 can be better maintained. At the same time, the auxiliary flow channel 15 does not need to be connected to the compression chamber 12, so that the air inlet 16 side of the auxiliary flow channel 15 can maintain an appropriate distance from the reference flow channel 14. At the same time, the auxiliary flow channel 15 deviates away from the air inlet 16 side toward the reference flow channel 14, and then at the position where the compression chamber 12 is not reached, the auxiliary flow channel 15 and the reference flow channel 14 converge to form the reference flow channel 14 and the auxiliary flow channel 15 connected inside the outer wall 11 of the cylinder.

[0064] It should be noted that, in the present embodiment, the above description is illustrated by taking M=2 as an example. When M is an integer greater than 2, the position and structure of the reference flow channel 14 and the vane groove 13 remain unchanged. It is only necessary to shift the multiple auxiliary flow channels 15 in turn toward the reference flow channel 14 until all the auxiliary flow channels 15 merge with the reference flow channel 14 before reaching the compression chamber 12.

[0065] Example 3

[0066] like Figure 3 As shown, a cylinder provided in the present application is described by taking M equal to 2 as an example, and specifically includes:

[0067] A compression chamber 12 is arranged inside the outer wall 11 of the cylinder;

[0068] An air intake channel is used to connect the compression chamber 12 and the liquid distributor, and the air intake channel includes two air inlets 16 and one air outlet 17; and the air outlet 17 connects the two air inlets 16 at the same time; the air inlet 16 is connected to the liquid distributor, and the air outlet 17 is connected to the compression chamber 12.

[0069] Specifically, Figure 7 As shown, in this embodiment, the cross-section of the compression chamber 12 is circular, and the cylinder outer wall 11 is arranged on the outside of the compression chamber 12; the intake channel is located in the cylinder outer wall 11; the intake channel includes a reference flow channel 14 and an auxiliary flow channel 15, the reference flow channel 14 includes an air inlet 16 and an air outlet 17, the auxiliary flow channel 15 includes an air inlet 16, and the auxiliary flow channel 15 is connected to the reference flow channel 14.

[0070] This application defines the side of the cylinder outer wall 11 away from the compression chamber 12 as the outer side of the cylinder, and the side close to the compression chamber 12 as the inner side of the cylinder. In this application, the reference flow channel 14 is provided with an air inlet 16 on the outer side of the cylinder, and an air outlet 17 on the inner side of the cylinder; the auxiliary flow channel 15 is located on the side of the reference flow channel 14, and the auxiliary flow channel 15 is only provided with an air inlet 16 on the outer side of the cylinder. Inside the cylinder outer wall 11, the auxiliary flow channel 15 does not penetrate the cylinder outer wall 11, that is, it does not connect the outer side of the cylinder and the inner side of the cylinder, but is connected with the reference flow channel 14, and the connection position must be inside the cylinder outer wall 11, that is, it does not reach the position of the compression chamber 12. The present application realizes the connection between the reference flow channel 14 and the auxiliary flow channel 15 inside the outer wall 11 of the cylinder, thereby ensuring that the intake channel has two intake ports and one outlet port 17. The reference flow channel 14 is the intake channel in the original cylinder structure, and only the auxiliary flow channel 15 connected thereto needs to be arranged around it. There is no need to change the volume of the original cylinder, and the balance relationship between the intake chamber inside the compression chamber 12 and the compression chamber 12 can be maintained, while also significantly improving the intake volume of the cylinder.

[0071] Furthermore, in this embodiment, the center lines of the reference flow channel 14 and the auxiliary flow channel 15 are parallel to the diameter of the compression chamber 12 ; the reference flow channel 14 and the auxiliary flow channel 15 are connected via a connecting groove 18 .

[0072] Since the cylinder outer wall 11 is a ring-like structure, designing the reference flow channel 14 and the auxiliary flow channel 15 in the radial direction inside the cylinder outer wall 11 helps to improve the convenience of flow channel molding, thereby improving the molding efficiency of the reference flow channel 14 and the auxiliary flow channel 15. At the same time, the reference flow channel 14 and the auxiliary flow channel 15 are connected through the connecting groove 18, so that multiple flow channels can be connected together, and the purpose of setting the air inlet 16 separately and sharing an air outlet 17 is achieved, thereby improving the air intake volume of the cylinder.

[0073] Furthermore, the center lines of the auxiliary flow channel 15 and the reference flow channel 14 are parallel to the diameter direction of the compression chamber 12 ; the center line of the connecting groove 18 is parallel to the outer diameter of the compression chamber 12 .

[0074] In the present application, the cross-section of the reference flow channel 14 and the auxiliary flow channel 15 is circular or other shapes, that is, in the radial direction of the cylinder outer wall 11, the cross-section of the reference flow channel 14 and the auxiliary flow channel 15 is circular or other shapes. And the axis or center line of the reference flow channel 14 and the auxiliary flow channel 15 is parallel to the radial direction of the compression chamber 12. The connecting groove 18 located at the end of the auxiliary flow channel 15 is distributed along the circumferential direction of the cylinder outer wall 11, and has a certain width in the radial direction of the cylinder outer wall 11. This structural design can ensure smooth air intake in the air intake channel, smooth transmission of the refrigerant, and further increase the air intake volume of the air intake channel.

[0075] Further, such as Figure 4 As shown, in the first direction, the dimension C of the connecting groove 18 is greater than or equal to 0.75B; B refers to the inner diameter of the air inlet 16 in the reference flow channel 14. The distance d between the center line of the connecting groove 18 and the end of the auxiliary flow channel 15 away from the air inlet 16 is less than 5 mm; the first direction refers to the direction parallel to the diameter of the compression chamber 12.

[0076] The connecting groove 18 has a certain width to ensure the smooth transmission and collection of the refrigerant between the auxiliary flow channel 15 and the reference flow channel 14. The present application sets that in the first direction, the size C of the connecting groove 18 is greater than or equal to 0.75B; it can ensure that the smoothness of the collection of the refrigerant in the intake channel is optimal, which helps to improve the intake volume and intake smoothness of the cylinder.

[0077] The closer the connecting groove 18 is to the end of the auxiliary flow channel 15, the better the refrigerant collection effect of multiple flow channels. Therefore, the present application stipulates that the distance d between the center line of the connecting groove 18 and the end of the auxiliary flow channel 15 away from the air inlet 16 is less than 5 mm, which can ensure the best smoothness of refrigerant collection in the intake channel, which helps to improve the intake volume and intake smoothness of the cylinder.

[0078] Further, such as Figure 4 As shown, in the second direction, the size of the connecting groove 18 is greater than or equal to 0.5H; the second direction refers to the direction parallel to the axial center line of the compression chamber 12; H refers to the size of the cylinder outer wall 11 in the second direction.

[0079] The depth of the connecting groove 18 refers to the dimension in the axial direction of the compression chamber 12. In this direction, the connecting groove 18 has a certain depth. The present application is limited to the second direction, and the dimension of the connecting groove 18 is greater than or equal to 0.5H, which can ensure the best smoothness of the collection of the refrigerant in the intake channel, and help to improve the intake volume and intake smoothness of the cylinder.

[0080] Furthermore, the present embodiment further comprises a vane groove 13 , the center line of which is parallel to the diameter of the compression chamber 12 ; and the angle between the reference flow channel 14 and the vane groove 13 is smaller than the angle between the auxiliary flow channel 15 and the vane groove 13 .

[0081] Specifically, a vane is provided in the vane groove 13, and a roller is provided inside the compression chamber 12. During the operation of the cylinder, the end of the vane is pressed tightly against the outer surface of the roller by relying on the pushing pressure of the spring. The vane and the roller divide the cavity in the cylinder into an intake chamber and a compression chamber 12. While the roller is driven to move by the rotation of the crankshaft, the vane reciprocates, and the cylinder repeats the actions of gas intake, compression and discharge, completing the basic functions of the compressor.

[0082] In the present application, the center lines of the vane groove 13 and the reference flow channel 14 are parallel to the diameter direction of the compression chamber 12, which helps to maintain the balance between the suction chamber inside the compression chamber 12 and the compression chamber 12. At the same time, the angle between the reference flow channel 14 and the vane groove 13 refers to Figure 4 In a, the angle between the auxiliary flow channel 15 and the vane groove 13 refers to Figure 4 That is to say, the present application designs the reference flow channel 14 and the vane groove 13 at relatively close positions, and arranges the auxiliary flow channel 15 on the side of the reference flow channel 14 away from the vane groove 13, so that the balance relationship between the suction chamber inside the compression chamber 12 and the compression chamber 12 can be better maintained, and the cylinder suction volume can be increased.

[0083] Example 4

[0084] like Figure 5 As shown, a cylinder provided in the present application is described by taking M equal to 3 as an example, specifically including:

[0085] A compression chamber 12 is arranged inside the outer wall 11 of the cylinder;

[0086] An air intake channel is used to connect the compression chamber 12 and the liquid distributor, and the air intake channel includes three air inlets 16 and one air outlet 17; and the air outlet 17 is connected to the three air inlets 16 at the same time; the air inlet 16 is connected to the liquid distributor, and the air outlet 17 is connected to the compression chamber 12.

[0087] Specifically, Figure 7 As shown, in this embodiment, the cross-section of the compression chamber 12 is circular, and the cylinder outer wall 11 is arranged on the outside of the compression chamber 12; the intake channel is located in the cylinder outer wall 11; the intake channel includes a reference flow channel 14 and an auxiliary flow channel 15, the reference flow channel 14 includes an air inlet 16 and an air outlet 17, the auxiliary flow channel 15 includes an air inlet 16, and the auxiliary flow channel 15 is connected to the reference flow channel 14.

[0088] This application defines the side of the cylinder outer wall 11 away from the compression chamber 12 as the outer side of the cylinder, and the side close to the compression chamber 12 as the inner side of the cylinder. In this application, the reference flow channel 14 is provided with an air inlet 16 on the outer side of the cylinder, and an air outlet 17 on the inner side of the cylinder; the auxiliary flow channel 15 is located on the side of the reference flow channel 14, and the auxiliary flow channel 15 is only provided with an air inlet 16 on the outer side of the cylinder, and inside the cylinder outer wall 11, the auxiliary flow channel 15 does not penetrate the cylinder outer wall 11.

[0089] In this embodiment, the center lines of the reference flow channel 14 and the auxiliary flow channel 15 are parallel to the diameter of the compression chamber 12; Figure 5 As shown, two adjacent auxiliary flow channels 15 or two adjacent auxiliary flow channels 15 and the reference flow channel 14 are connected via a separation groove 181 .

[0090] The center lines of the auxiliary flow channel 15 and the reference flow channel 14 are both parallel to the diameter direction of the compression chamber 12 ; the center line of the separation groove 181 is parallel to the outer diameter of the compression chamber 12 .

[0091] In the first direction, the dimension C of the partitioning groove 181 is greater than or equal to 0.75B; B refers to the inner diameter of the air inlet 16 in the reference flow channel 14. The distance d between the center line of the partitioning groove 181 and the end of the auxiliary flow channel 15 away from the air inlet 16 is less than 5 mm; the first direction refers to the direction parallel to the diameter of the compression chamber 12.

[0092] In the second direction, the size of the dividing groove 181 is greater than or equal to 0.5H; the second direction refers to the direction parallel to the axial center line of the compression chamber 12; H refers to the size of the cylinder outer wall 11 in the second direction.

[0093] This embodiment further includes a vane groove 13, the center line of which is parallel to the diameter of the compression chamber 12; the angle between the reference flow channel 14 and the vane groove 13 is smaller than the angle between the auxiliary flow channel 15 and the vane groove 13. That is, the reference flow channel 14 and the vane groove 13 are designed to be relatively close to each other, and the auxiliary flow channel 15 is arranged on the side of the reference flow channel 14 away from the vane groove 13, so that the balance relationship between the suction chamber inside the compression chamber 12 and the compression chamber 12 can be better maintained, and the cylinder suction volume can be increased.

[0094] Example 5

[0095] like Figure 6 As shown, a cylinder provided in the present application is described by taking M equal to 3 as an example, specifically including:

[0096] A compression chamber 12 is arranged inside the outer wall 11 of the cylinder;

[0097] An air intake channel is used to connect the compression chamber 12 and the liquid distributor, and the air intake channel includes three air inlets 16 and one air outlet 17; and the air outlet 17 is connected to the three air inlets 16 at the same time; the air inlet 16 is connected to the liquid distributor, and the air outlet 17 is connected to the compression chamber 12.

[0098] Specifically, Figure 7 As shown, in this embodiment, the cross-section of the compression chamber 12 is circular, and the cylinder outer wall 11 is arranged on the outside of the compression chamber 12; the intake channel is located in the cylinder outer wall 11; the intake channel includes a reference flow channel 14 and an auxiliary flow channel 15, the reference flow channel 14 includes an air inlet 16 and an air outlet 17, the auxiliary flow channel 15 includes an air inlet 16, and the auxiliary flow channel 15 is connected to the reference flow channel 14.

[0099] This application defines the side of the cylinder outer wall 11 away from the compression chamber 12 as the outer side of the cylinder, and the side close to the compression chamber 12 as the inner side of the cylinder. In this application, the reference flow channel 14 is provided with an air inlet 16 on the outer side of the cylinder, and an air outlet 17 on the inner side of the cylinder; the auxiliary flow channel 15 is located on the side of the reference flow channel 14, and the auxiliary flow channel 15 is only provided with an air inlet 16 on the outer side of the cylinder, and inside the cylinder outer wall 11, the auxiliary flow channel 15 does not penetrate the cylinder outer wall 11.

[0100] In this embodiment, the center lines of the reference flow channel 14 and the auxiliary flow channel 15 are parallel to the diameter of the compression chamber 12; Figure 5 As shown, the two auxiliary flow channels 15 and the reference flow channel 14 are connected via an integrated through groove 182 .

[0101] The center lines of the auxiliary flow channel 15 and the reference flow channel 14 are both parallel to the diameter direction of the compression chamber 12 ; the center line of the integrated through groove 182 is parallel to the outer diameter of the compression chamber 12 .

[0102] In the first direction, the dimension C of the integral through groove 182 is greater than or equal to 0.75B; B refers to the inner diameter of the air inlet 16 in the reference flow channel 14. The distance d between the center line of the integral through groove 182 and the end of the auxiliary flow channel 15 away from the air inlet 16 is less than 5 mm; the first direction refers to the direction parallel to the diameter of the compression chamber 12.

[0103] In the second direction, the size of the integrated through groove 182 is greater than or equal to 0.5H; the second direction refers to the direction parallel to the axial center line of the compression chamber 12; H refers to the size of the cylinder outer wall 11 in the second direction.

[0104] This embodiment also includes a vane groove 13, the center line of which is parallel to the diameter of the compression chamber 12; the angle between the reference flow channel 14 and the vane groove 13 is smaller than the angle between the auxiliary flow channel 15 and the vane groove 13. That is, the reference flow channel 14 and the vane groove 13 are designed to be relatively close to each other, and the auxiliary flow channel 15 is arranged on the side of the reference flow channel 14 away from the vane groove 13, so that the balance relationship between the suction chamber inside the compression chamber 12 and the compression chamber 12 can be better maintained, and the cylinder suction volume can be increased.

[0105] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0106] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0107] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0108] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0109] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. 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 cylinder, characterized in that: include: A compression chamber (12) disposed inside the outer wall (11) of the cylinder; An air intake channel for connecting a compression chamber (12) and a liquid distributor, the air intake channel comprising M air inlets (16) and one air outlet (17); M is an integer greater than 1; and the air outlet (17) is simultaneously connected to the M air inlets (16); the air inlet (16) is connected to the liquid distributor, and the air outlet (17) is connected to the compression chamber (12).

2. A cylinder according to claim 1, characterized in that: The compression chamber (12) has a circular cross section, and the cylinder outer wall (11) is arranged around the outer side of the compression chamber (12); the air intake passage is located in the cylinder outer wall (11); The air intake channel comprises a reference flow channel (14) and M-1 auxiliary flow channels (15); the reference flow channel (14) comprises an air inlet (16) and an air outlet (17); the auxiliary flow channel (15) comprises an air inlet (16); and the auxiliary flow channel (15) is in communication with the reference flow channel (14).

3. A cylinder according to claim 2, characterized in that: The center line of the reference flow channel (14) is parallel to the diameter of the compression chamber (12); the side of the M-1 auxiliary flow channels (15) away from the air inlet (16) deviates toward the reference flow channel (14), so that the side of the auxiliary flow channel (15) away from the air inlet (16) is connected to the reference flow channel (14).

4. A cylinder according to claim 2, characterized in that: The center lines of the reference flow channel (14) and the auxiliary flow channel (15) are both parallel to the diameter of the compression chamber (12); the reference flow channel (14) and the auxiliary flow channel (15) are connected via a connecting groove (18).

5. A cylinder according to claim 4, characterized in that: The center lines of the auxiliary flow channel (15) and the reference flow channel (14) are both parallel to the diameter direction of the compression chamber (12); and the center line of the connecting groove (18) is parallel to the outer diameter of the compression chamber (12).

6. A cylinder according to claim 5, characterized in that: In the first direction, the size of the connecting groove (18) is greater than or equal to 0.75B; B refers to the inner diameter of the air inlet (16) in the reference flow channel (14); In a first direction, the distance between the center line of the connecting groove (18) and the end of the auxiliary flow channel (15) away from the air inlet (16) is less than 5 mm; the first direction refers to a direction parallel to the diameter of the compression chamber (12).

7. A cylinder according to claim 5, characterized in that: In the second direction, the size of the connecting groove (18) is greater than or equal to 0.5H; the second direction refers to the direction parallel to the axial center line of the compression chamber (12); H refers to the size of the cylinder outer wall (11) in the second direction.

8. A cylinder according to claim 5, characterized in that: The connecting groove (18) comprises M-1 dividing grooves (181), and the dividing grooves (181) are used to connect two adjacent auxiliary flow channels (15) or to connect adjacent auxiliary flow channels (15) and a reference flow channel (14). The connecting groove (18) comprises an integral through groove (182), and the integral through groove (182) is distributed along the circumferential direction of the compression chamber (12), so that the reference flow channel (14) and the M-1 auxiliary flow channels (15) are connected.

9. A cylinder according to claim 2, characterized in that: It also includes a vane groove (13), the center line of which is parallel to the diameter of the compression chamber (12); and the angle between the reference flow channel (14) and the vane groove (13) is smaller than the angle between the auxiliary flow channel (15) and the vane groove (13).

10. A compressor, characterized in that: A cylinder comprising any one of claims 1-9.

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