CN211963472U - Air inlet filtering device of electric air-conditioning compressor - Google Patents
Air inlet filtering device of electric air-conditioning compressor Download PDFInfo
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- CN211963472U CN211963472U CN202020433363.5U CN202020433363U CN211963472U CN 211963472 U CN211963472 U CN 211963472U CN 202020433363 U CN202020433363 U CN 202020433363U CN 211963472 U CN211963472 U CN 211963472U
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- filter screen
- screen cover
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- rubber layer
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Abstract
The utility model discloses an intake air filtering device of an electric air-conditioning compressor, which comprises a front end disc provided with an exhaust port and a casing provided with an air inlet, wherein the front end disc is connected with the casing; a fixed scroll is arranged on a positioning spigot of the front end disc, a movable scroll which is in rotary connection and meshing with the fixed scroll is arranged on an eccentric shaft part of a main shaft, the other end of the main shaft passes through a bearing hole of a bearing seat and is arranged on a shell through a shell bearing, and a motor stator is arranged between the shell bearing and the bearing seat on the inner wall of the shell; the casing is equipped with the air inlet in nearly casing bearing department, its characterized in that: the machine shell is provided with a filter screen cover between the motor stator and the machine shell bearing, and the main shaft penetrates through a central hole of the filter screen cover. Compare prior art, the utility model discloses can solve current electric air condition compressor vortex formula electric compressor and easily cause the problem of jam at the air inlet department installation filter screen of casing.
Description
Technical Field
The utility model belongs to the technical field of the vortex formula electric compressor manufacturing technology and specifically relates to a filter equipment admits air for vortex formula electric compressor.
Background
Most of the scroll type electric compressors comprise a front end disc provided with an exhaust port, and the front end disc is connected with one end of a shell to form the shell; a fixed scroll is arranged on a positioning spigot of the front end disc, a movable scroll which is in rotary connection and meshing with the fixed scroll is arranged on an eccentric shaft part of a main shaft, the other end of the main shaft penetrates through a bearing hole of a bearing seat and is arranged on a shell through a shell bearing, a motor stator is arranged on the inner cylinder wall of the shell between the shell bearing and the bearing seat, and the motor stator is in interference fit with the inner cylinder wall of the shell; the shell is provided with an air inlet at the rear part close to the shell bearing. When the electric air-conditioning compressor works, impurities generated by a moving part in the electric air-conditioning compressor and impurities in an air-conditioning system enter along with the oil-gas mixed gas from the air inlet, and various impurity particles mixed in the oil-gas mixed gas can accelerate the abrasion of the moving part and a bearing, so that the service life of the whole machine is shortened, and the noise is increased; at present, a filter screen is also installed at an air inlet of a shell of the existing scroll type electric compressor in a trial mode, but the air inlet is small, and the filter screen is easy to block due to excessive impurities.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an air inlet filtering device of an electric air conditioner compressor is provided to solve the problem that the filter screen is easily caused to block up in the air inlet of casing of the vortex type electric compressor of the existing electric air conditioner compressor.
The utility model provides a technical scheme that technical problem adopted does: the air inlet filtering device of the electric air-conditioning compressor comprises a front end disc provided with an air outlet and a machine shell provided with an air inlet, wherein the front end disc is connected with the machine shell; a fixed scroll is arranged on a positioning spigot of the front end disc, a movable scroll which is in rotary connection and meshing with the fixed scroll is arranged on an eccentric shaft part of a main shaft, the other end of the main shaft penetrates through a bearing hole of a bearing seat and is arranged on a shell through a shell bearing, and a motor stator is arranged between the shell bearing and the bearing seat on the inner cylinder wall of the shell; the shell is provided with an air inlet close to the shell bearing, a filter screen cover is arranged between the motor stator and the shell bearing, and the main shaft penetrates through a central hole of the filter screen cover; the filter screen cover comprises a filter screen cover body provided with a positioning ring part, and a central hole of the filter screen cover body is formed in the filter screen cover body; the edge of the central hole of the filter screen cover is coated with a circular elastic ring part, and the circular elastic ring part is in clearance fit with the main shaft; the outer edge of the positioning ring part of the filter screen cover body is coated with an elastic layer.
In the above technical solution of the intake air filtering device of the electric air conditioner compressor, a more specific technical solution may also be: the inner cylinder wall of the casing is provided with a positioning spigot which is abutted with the elastic layer on one side of the positioning ring part of the filter screen cover body, and the elastic layer on the other side of the positioning ring part of the filter screen cover body is abutted with one end of the motor stator.
Further: the elastic layer is a rubber layer, and the rubber layer comprises a front rubber layer, a circumferential rubber layer connected with the front rubber layer and a rear rubber layer connected with the circumferential rubber layer; the rear rubber layer is abutted with a positioning spigot of the inner cylinder wall of the shell, and the front rubber layer is abutted with one end of the motor stator; the elastic ring part is a rubber ring part.
Further: the mesh number of the filter screen cover body is 100-150 meshes.
The front of the utility model refers to the direction from the shell to the front end disk.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has: 1. because the filter screen cover is arranged between the motor stator and the shell bearing of the air-conditioning compressor, the filter screen cover filters the whole surface of the air inlet channel, the filter screen cover has large filter area, the phenomenon of blockage caused by excessive impurities can be avoided, the impurity particles are prevented from entering moving parts and various bearings, the service life of the whole machine is prolonged, and the noise is reduced; 2. the filter screen cover is coated with an elastic layer at the outer edge of the positioning ring part of the filter screen cover body, and the elastic layer can avoid the phenomenon that the screen cover generates noise when the electric air conditioner compressor runs; the edge of the central hole of the filter screen cover is coated with the circular elastic ring portion, and the circular elastic ring portion is in clearance fit with the main shaft, so that the hidden danger that the main shaft is scratched by the central hole when the filter screen cover is installed can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a strainer cover according to an embodiment of the present invention.
Fig. 3 is a partially enlarged view of fig. 2 at a.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
example 1:
the intake air filtering device of the electric air conditioner compressor shown in fig. 1 comprises a front end disc 1 provided with an exhaust port and a casing 6 provided with an air inlet 6-1, wherein one end of the front end disc 1 of the embodiment is connected with one end of the casing 6 through a bolt; a fixed scroll 2 is arranged in the shell, and the fixed scroll 2 is arranged on a positioning spigot of a front end disc 1; the movable scroll 3 which is spirally connected and meshed with the fixed scroll 2 is arranged on an eccentric shaft part of a main shaft 4, the other end of the main shaft 4 passes through a bearing hole of a bearing seat 9 and is arranged on one end in a casing 6 through a casing bearing 8, a direct current motor is arranged on a shaft section of the main shaft 4 between the casing bearing 9 and the bearing seat 9, and the direct current motor is provided with a motor rotor sleeved on the main shaft 4 and a motor stator 5 sleeved on the main shaft 4; the motor stator 5 of the embodiment is arranged on the inner cylinder wall of the shell 6 between the shell bearing 8 and the bearing seat 9, and the motor stator 5 is in interference fit with the inner cylinder wall of the shell 6; an air inlet 6-1 of the shell 6 is positioned close to a shell bearing 8, and a filter screen cover 7 is arranged on the shell between the motor stator 5 and the shell bearing 8; the main shaft 4 is penetrated with a central hole of a filter screen cover 7, the filter screen cover 7 shown in fig. 2 and 3 comprises a filter screen cover body 7-2 provided with a positioning ring part 7-2-1, and the central hole of the filter screen cover 7 is arranged on the filter screen cover body 7-2; the edge of the central hole of the filter screen cover 7 is coated with a circular elastic ring part which is in clearance fit with the main shaft 4, and the edge of the central hole of the filter screen cover 7 is coated with a rubber ring part 7-3, so that the hidden danger that the central hole scratches the main shaft 4 when the filter screen cover 7 is installed can be avoided; the outer edges of the positioning ring parts 7-2-1 of the filter screen cover bodies 7-2 of the filter screen cover 7 are coated with elastic layers, and the elastic layers can avoid the phenomenon that the screen cover 7 generates noise when the electric air-conditioning compressor runs; a positioning spigot which is abutted with an elastic layer at the rear side of a positioning ring part 7-2-1 of a filter screen cover body 7-2 of the filter screen cover 7 is arranged on the inner cylinder wall of the machine shell 6, and the elastic layer at the front side of the positioning ring part 7-2-1 of the filter screen cover body 7-2 of the filter screen cover 7 is abutted with the end surface at the rear end of the motor stator 5; the mesh number of the filter screen cover body 7-2 of the filter screen cover 7 of the embodiment is 100 meshes; the elastic layer coated on the outer edge of the positioning ring part 7-2-1 of the filter screen cover body 7-2 of the filter screen cover 7 of the embodiment is a rubber layer 7-1, and the rubber layer 7-1 comprises a front rubber layer 7-1-2, a circumferential rubber layer 7-1-3 connected with the front rubber layer 7-1-2 and a rear rubber layer 7-1-1 connected with the circumferential rubber layer 7-1-3; the rear rubber layer 7-1-1 is abutted with a positioning spigot of the inner cylinder wall of the shell 6, and the front rubber layer 7-1-2 is abutted with the end face of the front end of the motor stator 5.
Example 2:
the mesh number of the screen cover body 7-2 of the screen cover 7 is 150 meshes, and other characteristics are the same as those of embodiment 1.
Because the filter screen cover is arranged between the motor stator and the shell bearing of the air-conditioning compressor, the filter screen cover filters the whole surface of the air inlet channel, the filter area of the filter screen cover is large, the phenomenon of blockage caused by excessive impurities can be avoided, impurity particles are prevented from entering moving parts and various bearings, the service life of the whole machine is prolonged, and meanwhile, the noise is also reduced.
Claims (4)
1. An air inlet filtering device of an electric air conditioner compressor comprises a front end disc with an air outlet and a machine shell with an air inlet, wherein the front end disc is connected with the machine shell; a fixed scroll is arranged on a positioning spigot of the front end disc, a movable scroll which is in rotary connection and meshing with the fixed scroll is arranged on an eccentric shaft part of a main shaft, the other end of the main shaft penetrates through a bearing hole of a bearing seat and is arranged on a shell through a shell bearing, and a motor stator is arranged between the shell bearing and the bearing seat on the inner cylinder wall of the shell; the casing is in nearly casing bearing department is equipped with the air inlet, its characterized in that: a filter screen cover is arranged between the motor stator and the housing bearing of the housing, and the main shaft penetrates through a central hole of the filter screen cover; the filter screen cover comprises a filter screen cover body provided with a positioning ring part, and a central hole of the filter screen cover body is formed in the filter screen cover body; the edge of the central hole of the filter screen cover is coated with a circular elastic ring part, and the circular elastic ring part is in clearance fit with the main shaft; the outer edge of the positioning ring part of the filter screen cover body is coated with an elastic layer.
2. The electric air conditioner compressor inlet air filtering device of claim 1, wherein: the inner cylinder wall of the casing is provided with a positioning spigot which is abutted with the elastic layer on one side of the positioning ring part of the filter screen cover body, and the elastic layer on the other side of the positioning ring part of the filter screen cover body is abutted with one end of the motor stator.
3. The electric air conditioner compressor inlet air filtering device according to claim 1 or 2, characterized in that: the elastic layer is a rubber layer, and the rubber layer comprises a front rubber layer, a circumferential rubber layer connected with the front rubber layer and a rear rubber layer connected with the circumferential rubber layer; the rear rubber layer is abutted with a positioning spigot of the inner cylinder wall of the shell, and the front rubber layer is abutted with one end of the motor stator; the elastic ring part is a rubber ring part.
4. The electric air conditioner compressor inlet air filtering device of claim 3, wherein: the mesh number of the filter screen cover body is 100-150 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433363.5U CN211963472U (en) | 2020-03-30 | 2020-03-30 | Air inlet filtering device of electric air-conditioning compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433363.5U CN211963472U (en) | 2020-03-30 | 2020-03-30 | Air inlet filtering device of electric air-conditioning compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211963472U true CN211963472U (en) | 2020-11-20 |
Family
ID=73380948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020433363.5U Active CN211963472U (en) | 2020-03-30 | 2020-03-30 | Air inlet filtering device of electric air-conditioning compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211963472U (en) |
-
2020
- 2020-03-30 CN CN202020433363.5U patent/CN211963472U/en active Active
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