CN219061998U - Sliding vane type air compressor - Google Patents
Sliding vane type air compressor Download PDFInfo
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- CN219061998U CN219061998U CN202223437663.9U CN202223437663U CN219061998U CN 219061998 U CN219061998 U CN 219061998U CN 202223437663 U CN202223437663 U CN 202223437663U CN 219061998 U CN219061998 U CN 219061998U
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- rotating shaft
- oil
- sliding vane
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Abstract
The utility model provides a sliding vane type air compressor, which comprises an air storage tank, wherein an air compression part and a motor are arranged on the air storage tank, the air compression part comprises a shell assembly and a rotor part, a rotor cavity is arranged in the shell assembly, the rotor part is arranged in the rotor cavity, the rotor part comprises a rotating shaft, a first rotating shaft hole and a second rotating shaft hole are respectively arranged at two ends of the shell assembly, a first bearing bush and a second bearing bush are respectively arranged on the inner walls of the first rotating shaft hole and the second rotating shaft hole, two ends of the rotating shaft respectively penetrate through the first bearing bush and the second bearing bush, and an oil gap is formed between the first bearing bush and the second bearing bush and the rotating shaft respectively; the first bearing bush is provided with a first oil hole, the second bearing bush is provided with a second oil hole, and two ends of the shell assembly are respectively provided with a first oil duct and a second oil duct. The utility model can ensure that the first bearing bush, the second bearing bush and the rotating shaft are well lubricated, reduce the abrasion between the bearing bush and the rotating shaft, prolong the service life of the bearing bush and reduce the replacement frequency of the bearing bush.
Description
Technical Field
The utility model relates to the technical field of air compressors, in particular to a sliding vane type air compressor.
Background
The sliding vane type air compressor is a positive displacement compressor, and compared with the traditional piston type air compressor, the sliding vane type air compressor has no structure of an air suction valve, an air exhaust valve and a crankshaft connecting rod, so that higher rotating speed can be achieved, and meanwhile, the sliding vane type air compressor has the advantages of calm work and small vibration.
The existing sliding vane type air compressor mainly comprises an air storage tank, an air compression component and a motor, wherein the air compression component is used as a key core component of the sliding vane type air compressor and is used for compressing air and guiding compressed air into the air storage tank. The air compression component comprises a shell assembly and a rotor component, and a rotor cavity is arranged in the shell assembly; the rotor component comprises a rotating shaft and a rotor body arranged on the rotating shaft, wherein the rotor body is arranged in a rotor cavity in an eccentric mode, a sliding vane groove is formed in the circumferential direction of the rotor body, a sliding vane is arranged in the sliding vane groove, and one side of the sliding vane is in contact with the inner wall of the rotor cavity; the rotating shaft is connected with the motor, and the rotor component and the sliding sheets on the rotor component are driven by the motor to rotate, so that the air is compressed; the two ends of the shell assembly are respectively provided with shaft holes, the two ends of the rotating shaft are respectively connected in the shaft holes at the two ends of the shell assembly, and in order to reduce the resistance of the rotating shaft during rotation, the inner wall of the shaft hole of the bearing is provided with the bearing.
Because the rotor component of the sliding vane air compressor has higher rotating speed, and the bearing cannot take effective lubrication measures, more serious abrasion can be generated between the rotating shaft and the bearing, the service life of the bearing is shorter, the bearing needs to be frequently replaced, and the maintenance is more troublesome.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a sliding vane type air compressor.
The utility model aims at realizing the following technical scheme: the sliding vane type air compressor comprises an air storage tank, wherein an air compression part and a motor are arranged on the air storage tank, the air compression part comprises a shell assembly and a rotor part, a rotor cavity is arranged in the shell assembly, the rotor part is arranged in the rotor cavity, the rotor part comprises a rotating shaft, a first rotating shaft hole and a second rotating shaft hole which are used for connecting the rotating shaft are respectively arranged at two ends of the shell assembly, one end of the rotating shaft extends out of the shell assembly and is in transmission connection with an output shaft of the motor, a first bearing bush and a second bearing bush are respectively arranged on the inner walls of the first rotating shaft hole and the second rotating shaft hole, two ends of the rotating shaft respectively penetrate through the first bearing bush and the second bearing bush, and an oil gap is formed between the first bearing bush and the second bearing bush respectively and the rotating shaft; the first bearing bush is provided with a first oil hole, the second bearing bush is provided with a second oil hole, two ends of the shell assembly are respectively provided with a first oil duct and a second oil duct, one end of the first oil duct is communicated with the first oil hole on the first bearing bush, and one end of the second oil duct is communicated with the second oil hole on the second bearing bush; the air storage tank is also provided with an outer cover body, the air compression part and the motor are both positioned in the outer cover body, and the outer cover body is provided with a cooling fan.
Preferably, the first bearing bush and the second bearing bush are both made of a bearing alloy or a copper alloy.
Preferably, one end of the shell assembly is provided with a motor fixing frame, the motor fixing frame is provided with a bolt hole for connecting a motor, and the motor is connected with the motor fixing frame through a bolt.
Preferably, the rotating shaft extends out of one end of the shell assembly and is connected with a middle connecting piece, the middle connecting piece is disc-shaped, the center of the middle connecting piece is provided with a connecting shaft hole, an output shaft of the motor is connected in the connecting shaft hole in the center of the middle connecting piece, and one side of the middle connecting piece is provided with a fan blade.
Preferably, the intermediate connecting piece is connected with the rotating shaft through a coupler.
Preferably, the coupling is an elastic coupling.
Preferably, the air storage tank is connected with a pressure controller.
The beneficial effects of the utility model are as follows: according to the utility model, the lubricating oil can be supplemented to the oil gap between the first bearing bush and the rotating shaft through the first oil duct, and the lubricating oil sequentially passes through the first oil duct and the first oil hole and reaches the oil gap between the first bearing bush and the rotating shaft, so that a lubricating oil film is formed between the first bearing bush and the outer side surface of the rotating shaft; similarly, the lubricating oil can be supplemented to the oil gap between the second bearing bush and the rotating shaft through the second oil duct, and sequentially passes through the second oil duct and the second oil hole and reaches the oil gap between the second bearing bush and the rotating shaft, so that a lubricating oil film is formed between the second bearing bush and the outer side surface of the rotating shaft, good lubrication can be obtained between the first bearing bush and the rotating shaft, abrasion between the bearing bush and the rotating shaft is reduced, the service life of the bearing bush is prolonged, the replacement frequency of the bearing bush is reduced, and the maintenance of sliding vane type air compression components is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of an air compressing member.
Fig. 3 is a schematic view of the air compressing unit with the heat dissipating cover removed.
Fig. 4 is a schematic view of the air compression assembly with the heat dissipating cover and intermediate connectors removed.
Fig. 5 is a schematic view of the structure of the intermediate connector in one direction.
Fig. 6 is a schematic view of another direction of the intermediate connection.
Fig. 7 is a cross-sectional view of an air compression member.
Fig. 8 is a schematic view of the structure of one of the directions of the rotor member.
Fig. 9 is a schematic view of the rotor component in another orientation.
FIG. 10 is a schematic view of the structure of one end of the housing assembly.
FIG. 11 is a schematic view of the other end of the housing assembly.
Fig. 12 is a side view of the housing assembly.
Fig. 13 is a cross-sectional view taken along the direction A-A in fig. 12.
Fig. 14 is a sectional view in the direction B-B of fig. 12.
In the figure: 1. the air storage tank, 2, the air compression part, 3, the motor, 4, the pressure controller, 5, the outer cover body, 6, the radiator fan, 11, the casing assembly, 12, the radiator cover, 13, the motor fixing frame, 14, the intermediate connecting piece, 15, the coupling, 16, the connecting shaft hole, 17, the fan blade, 18, the connecting part, 20, the rotor cavity, 21, the rotor body, 22, the sliding vane, 23, the rotating shaft, 24, the first bearing bush, 25, the first oil hole, 26, the sliding vane groove, 27, the second bearing bush, 28, the second oil hole, 29, the first oil duct, 30, the second oil duct, 31 and the oil pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1, a sliding vane type air compressor comprises an air storage tank 1, wherein an air compression component 2 and a motor 3 are arranged on the air storage tank 1, the air compression component 2 comprises a shell assembly 11 and a rotor component, a rotor cavity 20 is arranged in the shell assembly 11, the rotor component is arranged in the rotor cavity 20 and comprises a rotating shaft 23 and a rotor body 21 arranged on the rotating shaft 23, the rotor body 21 is a cylinder, the rotor body 21 is arranged in the rotor cavity 20 in an eccentric manner, a sliding vane groove 26 is formed in the circumferential direction of the rotor body 21, a sliding vane 22 is arranged in the sliding vane groove 26, and one side of the sliding vane 22 is in contact with the inner wall of the rotor cavity 20.
The both ends of casing assembly 11 are equipped with first pivot hole and the second pivot hole that is used for connecting pivot 23 respectively, are equipped with first axle bush 24 and second axle bush 27 respectively on the inner wall in first pivot hole and second pivot hole, and first axle bush 24 and second axle bush 27 are the ring form, and first axle bush 24 and second axle bush 27 set up in first pivot hole and second pivot hole through the mode of pressure equipment. The two ends of the rotating shaft 23 respectively pass through the first bearing bush 24 and the second bearing bush 27, and oil gaps are respectively formed between the first bearing bush 24 and the second bearing bush 27 and the rotating shaft 23. Both the first bearing shell 24 and the second bearing shell 27 are made of a bearing alloy or a copper alloy.
The first bushing 24 is provided with a first oil hole 25, and the second bushing 27 is provided with a second oil hole 28. In the present utility model, the first oil hole 25 and the second oil hole 28 are both waist-shaped holes. The two ends of the shell assembly 11 are respectively provided with a first oil duct 29 and a second oil duct 30, one end of the first oil duct 29 is communicated with the first oil hole 25 on the first bearing bush 24, and one end of the second oil duct 30 is communicated with the second oil hole 28 on the second bearing bush 27. One end of the first oil passage 29 remote from the first bearing shell 24 penetrates the outer side surface of the housing assembly. An oil pipe 31 is connected to an end of the second oil passage 30 remote from the second bearing bush 27.
One end of the shell assembly 11 is provided with a motor fixing frame 13, the motor fixing frame 13 is provided with a bolt hole for connecting the motor 3, and the motor 3 is connected with the bolt hole on the motor fixing frame 13 through a bolt. One end of the rotating shaft 23 extends out of the housing assembly 11 and is in transmission connection with the output shaft of the motor 3. The rotating shaft 23 extends out of one end of the shell assembly 11 and is connected with the intermediate connecting piece 14, and the intermediate connecting piece 14 is connected with the rotating shaft 23 through the coupler 15. In the present utility model, the coupling 15 is an elastic coupling. The middle connecting piece 14 is disc-shaped, and a connecting shaft hole 16 and a connecting part 18 are arranged in the center of the middle connecting piece 14; the coupling 15 is connected to one end of the rotating shaft 23 extending out of the housing assembly 11, the intermediate connecting piece 14 is connected with the coupling 8 through the connecting part 18, and the output shaft of the motor 3 is connected in the connecting shaft hole 16 in the center of the intermediate connecting piece 14. One side of the intermediate connection 14 is provided with a fan blade 17. One end of the shell assembly 11, which is close to the motor fixing frame 13, is provided with a heat dissipation cover 12, the heat dissipation cover 12 is positioned on the periphery of the middle connecting piece 14, and a plurality of heat dissipation holes are formed in the heat dissipation cover 12. The rotor part is driven to rotate by the motor 3, and the motor drives the middle connecting piece 14 to rotate together while driving the rotor part to rotate; because the fan blades 17 are arranged on the intermediate connecting piece 14, the intermediate connecting piece 14 can form air flow when rotating, so that a certain heat dissipation effect is achieved on the shell assembly 11.
The air storage tank 1 is provided with an outer cover body 5, and the motor 3 and the air compression part 2 are both positioned in the outer cover body 5. The outer cover 5 is provided with a cooling fan 6. The air storage tank 1 is connected with a pressure controller 4.
According to the utility model, the lubricating oil can be supplemented to the oil gap between the first bearing bush and the rotating shaft through the first oil duct, and the lubricating oil sequentially passes through the first oil duct and the first oil hole and reaches the oil gap between the first bearing bush and the rotating shaft, so that a lubricating oil film is formed between the first bearing bush and the outer side surface of the rotating shaft; similarly, the lubricating oil can be supplemented to the oil gap between the second bearing bush and the rotating shaft through the second oil duct, and sequentially passes through the second oil duct and the second oil hole and reaches the oil gap between the second bearing bush and the rotating shaft, so that a lubricating oil film is formed between the second bearing bush and the outer side surface of the rotating shaft, good lubrication can be obtained between the first bearing bush and the rotating shaft, abrasion between the bearing bush and the rotating shaft is reduced, the service life of the bearing bush is prolonged, the replacement frequency of the bearing bush is reduced, and the maintenance of sliding vane type air compression components is facilitated.
The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.
Claims (7)
1. The sliding vane type air compressor comprises an air storage tank, wherein an air compression part and a motor are arranged on the air storage tank, the air compression part comprises a shell assembly and a rotor part, a rotor cavity is arranged in the shell assembly, the rotor part is arranged in the rotor cavity, the rotor part comprises a rotating shaft, a first rotating shaft hole and a second rotating shaft hole which are used for connecting the rotating shaft are respectively arranged at two ends of the shell assembly, one end of the rotating shaft stretches out of the shell assembly and is in transmission connection with an output shaft of the motor, and the sliding vane type air compressor is characterized in that a first bearing bush and a second bearing bush are respectively arranged on the inner walls of the first rotating shaft hole and the second rotating shaft hole, two ends of the rotating shaft respectively penetrate through the first bearing bush and the second bearing bush, and oil gaps are formed between the first bearing bush and the second bearing bush respectively and the rotating shaft; the first bearing bush is provided with a first oil hole, the second bearing bush is provided with a second oil hole, two ends of the shell assembly are respectively provided with a first oil duct and a second oil duct, one end of the first oil duct is communicated with the first oil hole on the first bearing bush, and one end of the second oil duct is communicated with the second oil hole on the second bearing bush; the air storage tank is also provided with an outer cover body, the air compression part and the motor are both positioned in the outer cover body, and the outer cover body is provided with a cooling fan.
2. A sliding vane air compressor according to claim 1, wherein the first and second bushings are each made of a bearing alloy or a copper alloy.
3. A sliding vane air compressor according to any one of claims 1-2, wherein a motor fixing frame is arranged at one end of the housing assembly, bolt holes for connecting a motor are arranged on the motor fixing frame, and the motor is connected with the motor fixing frame through bolts.
4. A sliding vane air compressor according to claim 3, wherein the rotary shaft extends out of one end of the housing assembly and is connected with a middle connecting piece, the middle connecting piece is disc-shaped, a connecting shaft hole is formed in the center of the middle connecting piece, an output shaft of the motor is connected in the connecting shaft hole in the center of the middle connecting piece, and a fan blade is arranged on one side of the middle connecting piece.
5. The sliding vane air compressor of claim 4 wherein the intermediate connector is coupled to the shaft by a coupling.
6. The sliding vane air compressor of claim 5 wherein the coupling is an elastic coupling.
7. The sliding vane air compressor of claim 1, wherein the air storage tank is connected with a pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223437663.9U CN219061998U (en) | 2022-12-21 | 2022-12-21 | Sliding vane type air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223437663.9U CN219061998U (en) | 2022-12-21 | 2022-12-21 | Sliding vane type air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219061998U true CN219061998U (en) | 2023-05-23 |
Family
ID=86342471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223437663.9U Active CN219061998U (en) | 2022-12-21 | 2022-12-21 | Sliding vane type air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219061998U (en) |
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2022
- 2022-12-21 CN CN202223437663.9U patent/CN219061998U/en active Active
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