Air suction structure of compressor cylinder, compressor cylinder and compressor
By setting a buffer chamber in the compressor cylinder to buffer the flow of refrigerant, the high resistance and high power consumption problems caused by sudden changes in the flow channel between the intake hole and the outlet groove are solved, and the reduction of intake resistance and optimization of power consumption are achieved.
Patent Information
- Application Number
- CN202422360040.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-26
AI Technical Summary
In the suction structure of the existing compressor cylinder, the flow channel between the intake hole and the exhaust groove suddenly changes, resulting in a large flow resistance of the refrigerant, increasing the suction resistance of the suction structure, and increasing the power consumption of the compressor.
An air intake hole is provided on the outer wall of the compressor cylinder, and an air outlet groove is provided on the inner wall. The air outlet groove penetrates at least one axial end of the cylinder. The air intake hole is communicated with the air outlet groove through a buffer chamber, and the buffer chamber is used to buffer the flow of refrigerant.
The refrigerant flow is buffered through the buffer chamber, and a gentle transition between the intake hole and the exhaust groove is achieved, which reduces the sudden change of the gas flow channel and the generation of vortex, and reduces the intake resistance and power consumption of the compressor cylinder.
Smart Images
Figure CN223004151U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of compressor suction, and particularly relates to a suction structure of a compressor cylinder, a compressor cylinder and a compressor. Background Art
[0002] As Figure 1 shown, the suction structure of the original mass-produced compressor cylinder includes a circular intake passage 1' that penetrates from the outer wall of the compressor cylinder to the inner wall of the compressor cylinder. If the circular intake passage 1' is opened too small, it will cause a large suction resistance of the compressor, an increase in power consumption, and even affect the suction volume of the compressor; if the circular intake passage 1' is opened too large, it will cause an increase in the suction closing angle of the compressor cylinder, thereby affecting the effective working volume of the compressor cylinder, reducing the volumetric efficiency of the compressor, and affecting the refrigerating capacity of the compressor.
[0003] As Figure 2 and Figure 3 shown, a new type of compressor cylinder suction structure is provided in the prior art. By providing an air outlet groove 2 on the inner wall 102 of the compressor cylinder, the intake passage 1 communicates with the compression chamber 4 of the compressor cylinder through the air outlet groove 2. Among them, the air outlet groove 2 penetrates at least one axial end of the compressor cylinder, and the air outlet groove 2 is arranged close to the sliding vane groove of the compressor cylinder, so as to ensure sufficient suction area of the suction structure while also being able to close the suction structure in advance, improving the effective working volume of the compressor cylinder, thereby improving the volumetric efficiency and energy efficiency of the compressor.
[0004] However, at the connection part between the above-mentioned intake passage 1 and the air outlet groove 2, the flow path changes suddenly, resulting in gas collision with the solid part and gas eddy current phenomenon. This leads to a large refrigerant flow resistance, increasing the suction resistance of the suction structure and increasing the power consumption of the compressor. Therefore, this problem needs to be solved. Summary of the Utility Model
[0005] Therefore, the utility model provides a suction structure of a compressor cylinder, a compressor cylinder and a compressor, which can solve the technical problem that the flow path between the intake passage and the air outlet groove in the prior art changes suddenly, resulting in a large refrigerant flow resistance, increasing the suction resistance of the suction structure and increasing the power consumption of the compressor.
[0006] To solve the above problems, the utility model provides a suction structure of a compressor cylinder, including an intake passage provided on the outer wall of the compressor cylinder and an air outlet groove provided on the inner wall of the compressor cylinder. The air outlet groove penetrates at least one axial end of the compressor cylinder; the intake passage communicates with the compression chamber of the compressor cylinder through the air outlet groove;
[0007] The suction structure further includes a buffer chamber provided within the wall thickness of the compressor cylinder. The buffer chamber is located between the intake passage and the outlet groove, such that the intake passage communicates with the outlet groove through the buffer chamber. Wherein, the buffer chamber is configured to buffer the refrigerant flow from the intake passage to the outlet groove.
[0008] In some embodiments, the buffer chamber at least penetrates one axial end of the compressor cylinder.
[0009] In some embodiments, the buffer chamber includes a circular hole extending from one axial end of the compressor cylinder to the other end. Wherein, one side of the outlet groove facing away from the inner wall of the compressor cylinder penetrates the circular hole, such that the outlet groove communicates with the buffer chamber.
[0010] Alternatively, the buffer chamber includes a rectangular hole extending from one axial end of the compressor cylinder to the other end, and the adjacent two side surfaces of the rectangular hole are transitioned by arc surfaces. Wherein, one side of the outlet groove facing away from the inner wall of the compressor cylinder penetrates the rectangular hole, such that the outlet groove communicates with the buffer chamber.
[0011] In some embodiments, both the buffer chamber and the outlet groove extend from the same axial end of the compressor cylinder to the other end.
[0012] Wherein, the height of the outlet groove in the axial direction of the compressor cylinder is H2, the height of the buffer chamber in the axial direction of the compressor cylinder is H3, and H2 is greater than or equal to H3. And the maximum width of the outlet groove is D2, the maximum width of the buffer chamber is D3, and D2 is less than D3.
[0013] In some embodiments, one side of the intake passage close to the buffer chamber has a straight circular hole section, and the projection of the straight circular hole section along its center line direction can project onto the inner wall of the compressor cylinder. The intake passage communicates with the buffer chamber through the straight circular hole section. The aperture of the straight circular hole section is D1, and the maximum width of the buffer chamber is D3. D3 ≥ 0.75 * D1.
[0014] The compressor cylinder has opposite first and second ends, and the buffer chamber extends from the first end to the second end. Wherein, along the axial direction of the compressor cylinder, the maximum distance from the first end to the outlet of the straight circular hole section is H1. The height of the buffer chamber in the axial direction of the compressor cylinder is H3, and H3 is greater than or equal to H1.
[0015] In some embodiments, the cross-sectional profile of the outlet groove is consistent at various positions in the axial direction of the compressor cylinder.
[0016] And / or, the cross-sectional profiles of the buffer chamber are consistent at various positions along the axial direction of the compressor cylinder.
[0017] In some embodiments, the connection between the intake passage and the buffer chamber is transitioned by a first chamfer.
[0018] In some embodiments, the connection between the buffer chamber and the outlet groove is transitioned by a second chamfer.
[0019] In some embodiments, the outlet groove has opposite first and second side walls, and the first side wall and the second side wall are parallel;
[0020] The outlet groove is connected to the buffer chamber through one ends of both the first side wall and the second side wall.
[0021] The present utility model also provides a compressor cylinder or a compressor, which may include the suction structure of the compressor cylinder described in any one of the above.
[0022] A suction structure of a compressor cylinder, a compressor cylinder and a compressor provided by the present utility model have the following beneficial effects:
[0023] 1. By providing a buffer chamber to buffer the refrigerant flow from the intake passage to the outlet groove, a smooth transition between the intake passage and the outlet groove can be achieved, reducing the sudden change of the gas flow path and the generation of eddy currents, thereby reducing the suction resistance of the compressor cylinder and the power consumption of the compressor.
[0024] 2. After adding the buffer chamber, the gas in the intake passage can smoothly enter the buffer chamber, and the refrigerant in the buffer chamber can also smoothly enter the outlet groove. Problems of other collision entity parts and eddy current phenomenon problems can be well solved.
[0025] 3. The connection between the intake passage and the buffer chamber is transitioned by a chamfer, which can reduce the resistance when the gas in the intake passage enters the buffer chamber.
[0026] 4. The connection between the buffer chamber and the outlet groove is transitioned by a chamfer, which can reduce the resistance when the gas in the buffer chamber enters the outlet groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. The drawings in the following description are only exemplary. For those of ordinary skill in the art, other implementation drawings can be obtained by extension based on the provided drawings without creative efforts.
[0028] Figure 1It is a schematic structural diagram of a compressor cylinder in the prior art;
[0029] Figure 2 It is a schematic structural diagram of another compressor cylinder in the prior art;
[0030] Figure 3 It is a schematic structural diagram of another compressor cylinder in the prior art;
[0031] Figure 4 It is a schematic structural diagram of a compressor cylinder of the present invention;
[0032] Figure 5 It is a schematic structural diagram of another compressor cylinder of the present invention;
[0033] Figure 6 It is a schematic diagram reflecting that the suction structure of the present invention can be closed in advance;
[0034] Figure 7 It is a schematic diagram reflecting the respective axial heights of the straight circular hole section, the buffer cavity and the air outlet groove;
[0035] Figure 8 It is a schematic diagram reflecting the first chamfer at the connection between the air inlet channel and the buffer cavity;
[0036] Figure 9 It is a schematic diagram reflecting the second chamfer at the connection between the buffer cavity and the air outlet groove.
[0037] The reference numerals are as follows:
[0038] 1. Air inlet channel; 2. Air outlet groove; 3. Buffer cavity; 4. Compression cavity; 5. First chamfer; 6. Second chamfer; 7. Air outlet; 11. Straight circular hole section; 21. First side wall; 22. Second side wall; 101. Outer wall; 102. Inner wall; 103. First end; 104. Second end; 111. Air outlet of the straight circular hole section; a. Center line direction of the straight circular hole section; b. Symmetric center plane. Detailed implementation manners
[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The description of at least one exemplary embodiment below is actually only illustrative and in no way limits the present invention and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present utility model; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.
[0041] For the convenience of description, spatial relative terms can be used here, such as "above...", "over...", "on the upper surface of...", "upper...", etc., to describe the spatial positional relationship between a device or feature shown in the figure and other devices or features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation described in the figure for the device. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "over other devices or structures" will then be positioned "below other devices or structures" or "under other devices or structures". Thus, the exemplary term "above..." can include both the orientations of "above..." and "below...". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding explanations are made for the spatial relative descriptions used here.
[0042] In addition, it should be noted that the use of words such as "first", "second", etc. to limit the components is only for the convenience of distinguishing the corresponding components. Without additional statement, the above words have no special meaning. Therefore, it should not be construed as a limitation on the protection scope of the present utility model.
[0043] Combined with reference to Figures 4 - 9 As shown, according to an embodiment of the present utility model, a suction structure of a compressor cylinder is provided, including an intake passage 1 and an outlet groove 2. The intake passage 1 is arranged on the outer wall 101 of the compressor cylinder, and the outlet groove 2 is arranged on the inner wall 102 of the compressor cylinder. The outlet groove 2 penetrates at least one axial end of the compressor cylinder. The intake passage 1 communicates with the compression chamber 4 of the compressor cylinder through the outlet groove 2.
[0044] The aforementioned suction structure further includes a buffer chamber 3 arranged within the wall thickness of the compressor cylinder. The buffer chamber 3 is located between the intake passage 1 and the outlet groove 2, so that the intake passage 1 communicates with the outlet groove 2 through the buffer chamber 3. Among them, the buffer chamber 3 is used to buffer the refrigerant flow from the intake passage 1 to the outlet groove 2.
[0045] In the above example, by setting the buffer chamber 3 to buffer the refrigerant flow from the intake passage 1 to the outlet groove 2, a smooth transition between the intake passage 1 and the outlet groove 2 can be achieved, reducing the abrupt change of the gas flow path and the generation of eddy currents, thereby reducing the suction resistance of the compressor cylinder and the power consumption of the compressor.
[0046] Among them, after adding the buffer chamber 3, the gas in the intake passage 1 can smoothly enter the buffer chamber 3, and the refrigerant in the buffer chamber 3 can also smoothly enter the outlet groove 2. Problems with other collision entity parts and eddy current phenomena can all be well solved.
[0047] In some embodiments, the aforementioned buffer chamber 3 at least penetrates one axial end of the compressor cylinder, which has the advantage of facilitating the machining of the buffer chamber 3.
[0048] In a specific application example, as Figure 4 shown, the aforementioned buffer chamber 3 includes a circular hole extending from one axial end of the compressor cylinder to the other end. Among them, one side of the aforementioned outlet groove 2 facing away from the inner wall 102 of the compressor cylinder penetrates through the circular hole to communicate the outlet groove 2 with the buffer chamber 3.
[0049] In the above example, by setting the buffer chamber 3 as a circular hole, the inner wall 102 of the buffer chamber 3 is made more smooth, which is beneficial to reducing the resistance of the air flow.
[0050] In another specific application example, as Figure 5 shown, the aforementioned buffer chamber 3 may include a rectangular hole extending from one axial end of the compressor cylinder to the other end, and the adjacent two side surfaces of the rectangular hole are transitioned by arc surfaces. Among them, one side of the outlet groove 2 facing away from the inner wall 102 of the compressor cylinder penetrates through the rectangular hole to communicate the outlet groove 2 with the buffer chamber 3.
[0051] It should be noted here that: the aforementioned buffer chamber 3 can also be set to other shapes besides circular holes and rectangular holes, and can be specifically set according to actual needs.
[0052] In some embodiments, as Figure 7 shown, both the aforementioned buffer chamber 3 and the outlet groove 2 extend from the same axial end of the compressor cylinder to the other end. Among them, the height of the outlet groove 2 in the axial direction of the compressor cylinder is H2, and the height of the buffer chamber 3 in the axial direction of the compressor cylinder is H3, and H2 is greater than or equal to H3. As Figure 4 shown, the maximum width of the outlet groove 2 is D2, and the maximum width of the buffer chamber 3 is D3, and D2 is less than D3.
[0053] In the above example, by making the maximum width of the buffer chamber 3 greater than the maximum width of the outlet groove 2, it is beneficial for the buffer chamber 3 to achieve a better buffering and temporary storage of the refrigerant function.
[0054] In some embodiments, as Figure 6 shown, one side of the aforementioned intake passage 1 close to the buffer chamber 3 has a linear circular hole section 11, and the projection of the linear circular hole section 11 along its center line direction a can project onto the inner wall 102 of the compressor cylinder. The aforementioned intake passage 1 communicates with the buffer chamber 3 through the linear circular hole section 11. As Figure 4 shown, the aperture of the linear circular hole section 11 is D1, and the maximum width of the buffer chamber 3 is D3; D3 ≥ 0.75 * D1. Among them, as Figure 7 shown, the compressor cylinder has opposite first end 103 and second end 104, and the buffer chamber 3 extends from the first end 103 to the second end 104. Among them, along the axial direction of the compressor cylinder, the maximum distance from the first end 103 to the air outlet 111 of the linear circular hole section is H1; the height of the aforementioned buffer chamber 3 in the axial direction of the compressor cylinder is H3, and H3 is greater than or equal to H1.
[0055] In the above example, the refrigerant in the intake passage 1 enters the outlet groove 2 through the buffer chamber 3. If the width of the buffer chamber 3 is too narrow, there will be a large mutation in the transition between the intake passage 1 and the buffer chamber 3, resulting in an insignificant effect of the buffer chamber 3. By making D3 ≥ 0.75 * D1, the mutation between the intake passage 1 and the buffer chamber 3 can be reduced, and the buffering effect of the buffer chamber 3 can be improved.
[0056] Preferably, D3 = D1, so that when the refrigerant enters the buffer chamber 3 from the intake passage 1, there is a completely unobstructed transition and no additional eddy currents are generated, thereby greatly improving the buffering effect of the buffer chamber 3.
[0057] In some embodiments, as Figure 6 shown, the sliding vane groove of the aforementioned compressor cylinder has a symmetric center plane b, and the opposite side walls of the sliding vane groove are symmetric about the symmetric center plane b. The opening of the aforementioned outlet groove 2 on the inner wall 102 of the compressor cylinder is the air outlet 7. The inner wall 102 of the aforementioned compressor cylinder is located on a cylindrical surface, the axis of the cylindrical surface coincides with the axis of the compressor cylinder, and the diameter of the cylindrical surface is equal to the inner diameter of the compressor cylinder. Among them, one side of the cylindrical surface close to the linear circular hole section 11 has a first region, and the linear circular hole section 11 has a first projection profile on the first region along its center line direction a. Along the axial direction of the compressor cylinder, the first projection profile has a second projection profile, and the opening profile of the air outlet 7 has a third projection profile.
[0058] Among them, the second projection profile has a point B' that is farthest from the symmetric center plane b. The third projection profile has a point B that is farthest from the symmetric center plane b. Point B is closer to the symmetric center plane b than point B'.
[0059] In the above example, since B is closer to the symmetric center plane b of the sliding vane groove than B', the suction structure can be closed earlier compared to the prior art, improving the effective working volume of the compressor cylinder.
[0060] In some embodiments, as Figure 6 shown, for the convenience of machining the air outlet groove 2, the cross-sectional profiles of the air outlet groove 2 at various positions in the axial direction of the compressor cylinder are kept consistent. Among them, the cross-section of the air outlet groove 2 at various positions in the axial direction of the compressor cylinder is perpendicular to the axis of the compressor cylinder.
[0061] In some embodiments, as Figure 6 shown, for the convenience of machining the buffer chamber 3, the cross-sectional profiles of the buffer chamber 3 at various positions in the axial direction of the compressor cylinder are kept consistent. Among them, the cross-section of the buffer chamber 3 at various positions in the axial direction of the compressor cylinder is perpendicular to the axis of the compressor cylinder.
[0062] In some embodiments, as Figure 8 shown, the connection between the aforementioned intake passage 1 and the buffer chamber 3 is transitioned through a first chamfer 5. Among them, the setting of the first chamfer 5 can reduce the resistance when the gas in the intake passage 1 enters the buffer chamber 3. The setting of the first chamfer 5 can expand the cross-sectional area of the connection between the intake passage 1 and the buffer chamber 3, enabling the gaseous refrigerant to flow more smoothly into the buffer chamber 3, reducing nearby eddy currents and reducing suction losses, thereby reducing the energy consumption of the compressor.
[0063] In some embodiments, as Figure 9 shown, the connection between the aforementioned buffer chamber 3 and the air outlet groove 2 is transitioned through a second chamfer 6. Among them, the setting of the second chamfer 6 can reduce the resistance when the gas in the buffer chamber 3 enters the air outlet groove 2, reduce the flow loss between the buffer chamber 3 and the air outlet groove 2, and reduce the power consumption of the compressor.
[0064] It should be noted here that: the above first chamfer 5 and second chamfer 6 can be arc chamfers or bevel chamfers, etc.
[0065] In a specific application example, as Figure 5 shown, the aforementioned air outlet groove 2 has opposite first side wall 21 and second side wall 22, and the first side wall 21 and the second side wall 22 are parallel. The aforementioned air outlet groove 2 is connected to the buffer chamber 3 through one ends of the first side wall 21 and the second side wall 22.
[0066] In the above example, the aforementioned air outlet groove 2 forms a structure similar to a rectangular groove, and such a design is beneficial to the machining of the air outlet groove 2.
[0067] It should be noted here that: The intake end of the aforementioned intake passage 1 is used to communicate with an intake pipe or the like, and finally communicate with the evaporator to enable the compressor cylinder to suck in low-pressure refrigerant. The aforementioned intake passage 1 does not directly communicate with the compression chamber 4 of the compressor cylinder, while the outlet groove 2 directly communicates with the compression chamber 4 of the compressor cylinder, so that the intake passage 1 communicates with the compression chamber 4 of the compressor cylinder through the outlet groove 2, enabling the refrigerant of the suction structure to smoothly enter the compression chamber 4 of the compressor cylinder.
[0068] The present utility model further provides a compressor cylinder or a compressor, which may include the suction structure of the compressor cylinder in any one of the above. Among them, due to the adoption of the suction structure of the above compressor cylinder by the compressor cylinder or the compressor, the buffer chamber 3 can buffer the refrigerant flow from the intake passage 1 to the outlet groove 2, enabling a smooth transition between the intake passage 1 and the outlet groove 2, reducing the sudden change of the gas flow path, reducing the generation of eddy currents, thereby reducing the suction resistance of the compressor cylinder and reducing the power consumption of the compressor.
[0069] It is easy for those skilled in the art to understand that, on the premise of no conflict, the advantageous technical features of the above various methods can be freely combined and superimposed.
[0070] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model. The above is only the preferred implementation manner of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. An air intake structure for a compressor cylinder, comprising an air intake channel (1) arranged on an outer wall (101) of the compressor cylinder and an air outlet groove (2) arranged on an inner wall (102) of the compressor cylinder, wherein the air outlet groove (2) at least passes through one axial end of the compressor cylinder; the air intake channel (1) is connected to a compression chamber (4) of the compressor cylinder through the air outlet groove (2); characterized in that: The air intake structure also includes a buffer chamber (3) arranged in the wall thickness of the compressor cylinder, and the buffer chamber (3) is located between the air intake channel (1) and the air outlet groove (2), so that the air intake channel (1) is connected to the air outlet groove (2) through the buffer chamber (3); wherein the buffer chamber (3) is used to buffer the flow of refrigerant from the air intake channel (1) to the air outlet groove (2).
2. The air intake structure of the compressor cylinder according to claim 1, characterized in that: The buffer chamber (3) at least passes through one axial end of the compressor cylinder.
3. The air intake structure of the compressor cylinder according to claim 2, characterized in that: The buffer chamber (3) comprises a circular hole extending from one axial end to the other end of the compressor cylinder, wherein a side of the gas outlet groove (2) facing away from the inner wall (102) of the compressor cylinder passes through the circular hole, so that the gas outlet groove (2) is connected with the buffer chamber (3); Alternatively, the buffer chamber (3) comprises a rectangular hole extending from one axial end to the other end of the compressor cylinder, and two adjacent side surfaces of the rectangular hole are transitioned through arc surfaces; wherein a side of the air outlet groove (2) facing away from the inner wall (102) of the compressor cylinder passes through the rectangular hole, so that the air outlet groove (2) is connected to the buffer chamber (3).
4. The air intake structure of the compressor cylinder according to claim 2 or 3, characterized in that: The buffer cavity (3) and the gas outlet groove (2) both extend from the same axial end of the compressor cylinder to the other end; The height of the air outlet groove (2) in the axial direction of the compressor cylinder is H2, the height of the buffer chamber (3) in the axial direction of the compressor cylinder is H3, and H2 is greater than or equal to H3; and the maximum width of the air outlet groove (2) is D2, the maximum width of the buffer chamber (3) is D3, and D2 is less than D3.
5. The air intake structure of the compressor cylinder according to claim 2 or 3, characterized in that: The air intake channel (1) has a straight circular hole section (11) on one side close to the buffer chamber (3), and the projection of the straight circular hole section (11) along the center line direction (a) thereof can be projected onto the inner wall (102) of the compressor cylinder, and the air intake channel (1) is connected to the buffer chamber (3) through the straight circular hole section (11); the aperture of the straight circular hole section (11) is D1, and the maximum width of the buffer chamber (3) is D3; D3≥0.75*D1; The compressor cylinder has a first end (103) and a second end (104) opposite to each other, and the buffer chamber (3) extends from the first end (103) to the second end (104); wherein, along the axial direction of the compressor cylinder, the maximum distance between the first end (103) and the air outlet (111) of the linear circular hole section is H1; and the height of the buffer chamber (3) in the axial direction of the compressor cylinder is H3, and H3 is greater than or equal to H1.
6. The air intake structure of the compressor cylinder according to any one of claims 1 to 3, characterized in that: The cross-sectional profile of the gas outlet groove (2) at each location in the axial direction of the compressor cylinder is kept consistent; And / or, the cross-sectional profile of the buffer chamber (3) at various locations in the axial direction of the compressor cylinder remains consistent.
7. The air intake structure of a compressor cylinder according to any one of claims 1 to 3, characterized in that: The connection between the air inlet channel (1) and the buffer chamber (3) is transitioned through a first chamfer (5).
8. The air intake structure of a compressor cylinder according to any one of claims 1 to 3, characterized in that: The connection between the buffer cavity (3) and the air outlet groove (2) is transitioned through a second chamfer (6).
9. The air intake structure of a compressor cylinder according to any one of claims 1 to 3, characterized in that: The air outlet groove (2) has a first side wall (21) and a second side wall (22) opposite to each other, and the first side wall (21) and the second side wall (22) are parallel; The air outlet groove (2) is connected to the buffer cavity (3) via one end of the first side wall (21) and one end of the second side wall (22).
10. A compressor cylinder or a compressor, characterized in that: An air intake structure comprising a compressor cylinder according to any one of claims 1-9.