Compressor cylinder and compressor
By designing inclined oil guide grooves and clearance grooves in the compressor cylinder, the problem of particulate matter accumulation in the oil groove is solved, thereby improving lubrication efficiency and reducing maintenance costs, and increasing the compressor's working efficiency and blade life.
Patent Information
- Application Number
- CN202423216010.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing compressor cylinders, particulate matter easily accumulates in the oil sump, leading to high maintenance costs and increased friction, which affects work efficiency and noise.
The oil guide groove is designed to be inclined toward the clearance groove to avoid the accumulation of particles. The inclined setting of the oil guide groove reduces flow resistance and guides particles to the clearance groove. The combination of arc surface and parallel surface structure optimizes the flow of lubricating oil.
It reduces the flow resistance of lubricating oil, improves lubrication efficiency, reduces friction and wear, extends blade life, reduces maintenance costs and noise, and improves working efficiency.
Smart Images
Figure CN223523965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to compressor technical field especially relates to compressor cylinder and compressor. BACKGROUND
[0002] The rotor type compressor includes piston, vane, cylinder, spring and the like, the piston, vane and spring are all arranged in the cylinder, the piston is rotated by crankshaft, and the spring pushes the vane to abut on the piston, so that the vane can reciprocate in the vane groove of the cylinder.
[0003] In the existing cylinder, in order to reduce the friction force that the vane receives, usually, oil groove is additionally arranged on the cylinder, and lubricating oil is stored in the oil groove, but the oil groove is easy to accumulate particles, so the oil groove needs to be cleaned frequently, and the maintenance cost is high. SUMMARY
[0004] The utility model discloses a compressor cylinder and compressor, make the oil guide groove be inclined to the avoidance groove, prevent the particulate matter from accumulating in the oil guide groove.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] First, a compressor cylinder is provided, comprising a cylinder body, the cylinder body is provided with a compression chamber and a vane groove, the vane groove comprises a guide groove and an avoidance groove, one end of the guide groove is communicated with the compression chamber, the other end of the guide groove is communicated with the avoidance groove, the side wall of the guide groove is provided with an oil guide groove, the top of the oil guide groove extends to the end face of the cylinder body, and the oil guide groove is inclined to the avoidance groove.
[0007] As an optional technical scheme, the side wall of the oil guide groove comprises a circular arc surface, the top of the circular arc surface extends to the end face of the cylinder body, and the bottom of the circular arc surface extends to the avoidance groove.
[0008] As an optional technical scheme, the side wall of the oil guide groove further comprises a parallel surface, the top edge of the parallel surface extends to the end face of the cylinder body, the bottom edge of the parallel surface is connected with the circular arc surface, the parallel surface is located between the top of the circular arc surface and the avoidance groove, and the parallel surface is parallel with the side wall of the guide groove.
[0009] As an optional technical scheme, the parallel surface and the circular arc surface are smoothly connected.
[0010] As an optional technical scheme, the parallel surface is a triangular surface.
[0011] As an optional technical scheme, the side wall of the oil guide groove is further provided with a first chamfer surface, one side edge of the first chamfer surface is connected with the circular arc surface, and the other side edge of the first chamfer surface is connected with the side wall of the guide groove.
[0012] As an optional technical solution, two side walls of the guide groove are respectively provided with one oil guide groove, and the two oil guide grooves are symmetrically arranged relative to the guide groove.
[0013] As an optional technical solution, a second chamfer surface is arranged at a transition position between the guide groove and the avoiding groove.
[0014] As an optional technical solution, the guide groove extends along a radial direction of the compression cavity.
[0015] In a second aspect, a compressor is provided, which comprises a piston, a vane and a compressor cylinder as described above, the piston is movably arranged in the compression cavity, and the vane is movably arranged in the vane groove.
[0016] The compressor provided by the utility model has the advantages of high working efficiency, low maintenance cost and the like.
[0017] The compressor cylinder provided by the utility model comprises a cylinder body, the cylinder body is provided with a compression cavity and a vane groove, the vane groove comprises a guide groove and an avoiding groove, one end of the guide groove is communicated with the compression cavity, the other end of the guide groove is communicated with the avoiding groove, an oil guide groove is arranged on a side wall of the guide groove, the top of the oil guide groove extends to the end face of the cylinder body, and the oil guide groove is inclined towards the avoiding groove.
[0018] The inclined arrangement of the oil guide groove can reduce the flow resistance of lubricating oil in the oil guide groove, the energy consumption required for overcoming the resistance during the compression and exhaust process of the compressor cylinder is reduced, the working efficiency is improved, the lubricating oil can more easily and uniformly penetrate into the side wall of the guide groove, the lubricating efficiency is higher, the friction and abrasion between the vane and the side wall of the guide groove are reduced, the working efficiency of the vane is improved, and the service life of the vane is prolonged, the particles cannot be accumulated on the groove bottom of the oil guide groove, the cleaning period is prolonged, the maintenance cost is reduced, the noise is reduced after the particles are reduced, and the vibration is eliminated.
[0019] The utility model also provides a compressor, the compressor comprises a piston, a vane and the compressor cylinder, the piston is movably arranged in the compression cavity, and the vane is movably arranged in the vane groove.
[0020] The compressor adopts the compressor cylinder, and working efficiency can be provided, and maintenance cost is reduced. ACCOUT OF DRAWINGS
[0021] Figure 1 is a top view of the cylinder body of the utility model;
[0022] Figure 2 is Figure 1 is a sectional view of A-A cross section in the figure;
[0023] Figure 3 is Figure 2 is a local enlarged view of B position in the figure;
[0024] Figure 4 is a structure schematic view of the cylinder body of the utility model;
[0025] Figure 5 is Figure 4 the local enlarged view of C position in figure.
[0026] in the figure:
[0027] 1, cylinder body; 11, compression chamber; 12, vane groove; 121, guide groove; 122, avoiding groove; 123, oil guide groove; 1231, circular arc surface; 1232, parallel surface; 1233, first chamfer surface; 13, second chamfer surface. DETAILED DESCRIPTION
[0028] The utility model will be further explained in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0029] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0031] In the description of the present embodiment, the terms "upper", "lower", "right", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0032] As shown in Figures 1 to 5 The present embodiment provides a compressor cylinder, which comprises a cylinder body 1 provided with a compression chamber 11 and a vane groove 12, the vane groove 12 comprises a guide groove 121 and an avoidance groove 122, one end of the guide groove 121 is communicated with the compression chamber 11, the other end of the guide groove 121 is communicated with the avoidance groove 122, the side wall of the guide groove 121 is provided with an oil guide groove 123, the top of the oil guide groove 123 extends to the end face of the cylinder body 1, and the oil guide groove 123 is inclined towards the avoidance groove 122.
[0033] In the working process of the compressor, the lubricating oil seeps into the oil guide groove 123, and part of the lubricating oil seeps into the side wall of the guide groove 121 from the bottom edge of the oil guide groove 123 to lubricate the side wall of the guide groove 121 and the vane; the vane reciprocates in the guide groove 121, and the lubricating oil in the oil guide groove 123 is subjected to a thrust force, and since the oil guide groove 123 is inclined, the flow resistance of the lubricating oil in the oil guide groove 123 is reduced, the energy consumption required by the compressor cylinder to overcome the resistance during the compression of the exhaust gas is reduced, the working efficiency is improved; the lubricating oil is more easily and evenly seeped into the side wall of the guide groove 121, the lubricating efficiency is higher, the friction and wear between the vane and the side wall of the guide groove 121 are reduced, the working efficiency of the vane is improved, and the service life of the vane is prolonged; if there are particles in the lubricating oil, when the particles sink to the bottom of the oil guide groove 123, the particles cannot be accumulated at the bottom of the oil guide groove 123 due to the inclination of the oil guide groove 123 towards the avoidance groove 122, the particles are guided to the avoidance groove 122, the cleaning cycle of the compressor cylinder is prolonged, and the maintenance cost is reduced; the noise is reduced after the particles are reduced, and the vibration is eliminated; the wear of the vane and the cylinder body 1 is reduced, the sealing effect between the cylinder body 1 and the piston is improved, the gas leakage rate is reduced, the pressure loss of the compressor cylinder is reduced, and the compressor can efficiently compress and transport gas.
[0034] Optionally, the side wall of the oil guide groove 123 comprises a circular arc surface 1231, the top of the circular arc surface 1231 extends to the end face of the cylinder body 1, and the bottom of the circular arc surface 1231 extends to the avoidance groove 122. The particles in the lubricating oil cannot be accumulated on the circular arc surface 1231, and the circular arc surface 1231 guides the particles into the avoidance groove 122.
[0035] Optionally, the side wall of the oil guide groove 123 further comprises a parallel surface 1232, the top edge of the parallel surface 1232 extends to the end surface of the cylinder body 1, the bottom edge of the parallel surface 1232 is connected with the circular arc surface 1231, the parallel surface 1232 is located between the top of the circular arc surface 1231 and the avoiding groove 122, and the parallel surface 1232 is parallel with the side wall of the guide groove 121.
[0036] The lubricating oil can penetrate into the upper part of the circular arc surface 1231 and the upper side of the parallel surface 1232 from the end surface of the cylinder body 1, and the lubricating oil penetrates into the lower part of the circular arc surface 1231 after passing over the parallel surface 1232.
[0037] Optionally, the parallel surface 1232 is smoothly connected with the circular arc surface 1231. The oil guide groove 123 is made of cutting process, and the machining cost is low.
[0038] Optionally, the parallel surface 1232 is a triangular plane.
[0039] Optionally, the side wall of the oil guide groove 123 is further provided with a first chamfer surface 1233, one side edge of the first chamfer surface 1233 is connected with the circular arc surface 1231, and the other side edge of the first chamfer surface 1233 is connected with the side wall of the guide groove 121. During the process of installing the vane into the guide groove 121, the vane may impact the transition position of the oil guide groove 123 and the side wall of the guide groove 121, in order to reduce the particulate matter generated by the impact, the first chamfer surface 1233 is arranged at the transition position of the oil guide groove 123 and the side wall of the guide groove 121 in the embodiment.
[0040] Optionally, the two side walls of the guide groove 121 are respectively provided with an oil guide groove 123, and the two oil guide grooves 123 are symmetrically arranged about the guide groove 121.
[0041] Optionally, the transition position between the guide groove 121 and the avoiding groove 122 is provided with a second chamfer surface 13.
[0042] Optionally, the guide groove 121 extends along the radial direction of the compression chamber 11.
[0043] The embodiment further provides a compressor, comprising a piston, a vane and a compressor cylinder as above, the piston is movably arranged in the compression chamber 11, and the vane is movably arranged in the vane groove 12.
[0044] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A compressor cylinder characterized by, The cylinder (1) is provided with a compression chamber (11) and a vane slot (12), the vane slot (12) comprises a guide slot (121) and an avoiding slot (122), one end of the guide slot (121) is communicated with the compression chamber (11), the other end of the guide slot (121) is communicated with the avoiding slot (122), the side wall of the guide slot (121) is provided with an oil guide slot (123), the top of the oil guide slot (123) extends to the end face of the cylinder (1), and the oil guide slot (123) is inclined towards the avoiding slot (122).
2. The compressor cylinder of claim 1, wherein, The side wall of the oil guide slot (123) comprises a circular arc surface (1231), the top of the circular arc surface (1231) extends to the end face of the cylinder (1), and the bottom of the circular arc surface (1231) extends to the avoiding slot (122).
3. The compressor cylinder of claim 2, wherein, The side wall of the oil guide slot (123) further comprises a parallel surface (1232), the top edge of the parallel surface (1232) extends to the end face of the cylinder (1), the bottom edge of the parallel surface (1232) is connected with the circular arc surface (1231), the parallel surface (1232) is located between the top of the circular arc surface (1231) and the avoiding slot (122), and the parallel surface (1232) is parallel to the side wall of the guide slot (121).
4. The compressor cylinder of claim 3, wherein, The parallel surface (1232) and the circular arc surface (1231) are smoothly and transitionally connected.
5. The compressor cylinder of claim 3, wherein, The parallel surface (1232) is a triangular surface.
6. The compressor cylinder of claim 2, wherein, The side wall of the oil guide slot (123) is further provided with a first chamfer surface (1233), one side edge of the first chamfer surface (1233) is connected with the circular arc surface (1231), and the other side edge of the first chamfer surface (1233) is connected with the side wall of the guide slot (121).
7. The compressor cylinder of any of claims 1-6, wherein, The two side walls of the guide slot (121) are respectively provided with one oil guide slot (123), and the two oil guide slots (123) are symmetrically arranged about the guide slot (121).
8. The compressor cylinder of any of claims 1-6, wherein, A second chamfer surface (13) is arranged at the transition position between the guide slot (121) and the avoiding slot (122).
9. The compressor cylinder of any of claims 1-6, wherein, The guide slot (121) extends along the radial direction of the compression chamber (11).
10. Compressor, characterized in that The compressor cylinder comprises a piston, a vane and the compressor cylinder as claimed in any one of claims 1-9, the piston is movably arranged in the compression chamber (11), and the vane is movably arranged in the vane slot (12).