CN213175994U - Compressor housing and electric air compressor - Google Patents
Compressor housing and electric air compressor Download PDFInfo
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- CN213175994U CN213175994U CN202021969144.5U CN202021969144U CN213175994U CN 213175994 U CN213175994 U CN 213175994U CN 202021969144 U CN202021969144 U CN 202021969144U CN 213175994 U CN213175994 U CN 213175994U
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- compressor
- crankshaft
- cooling part
- cooling
- air
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Abstract
The utility model relates to a compressor field specifically discloses a compressor housing and electric air compressor. The compressor shell comprises a main body and a cooling part, wherein the cooling part and the main body are integrally formed; the cooling part is internally provided with a cooling cavity, and the cooling part is also provided with an air inlet and an air outlet which are communicated with the cooling cavity. In the compressor shell, the cooling cavity is integrally arranged in the shell, so that the overall structure is simplified, the assembly efficiency is improved, and meanwhile, the optimized layout of the pipeline of the whole compressor is facilitated, so that the structure of the whole compressor is more compact and attractive.
Description
Technical Field
The utility model relates to a compressor field, concretely relates to compressor housing and electric air compressor.
Background
In a piston type air compressor, because the compression ratio is large, a large amount of heat is generated in the compression process, and in order to improve the compression efficiency, a multi-stage compression and inter-stage cooling mode is generally adopted, so that a cooling system is required to be arranged on the air compressor.
The air compressor on the existing market usually adopts the cooling system of independent setting, and not only the structure is comparatively complicated, and the connecting line is more, and the cost of manufacturing and assembly is all higher, and the fault rate is also higher simultaneously, and the maintenance cost is big.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a compressor housing and electric air compressor, the integrative setting in cooling chamber is in the casing, simplifies overall structure, improves assembly efficiency, and the optimization overall arrangement of the complete machine pipeline of being convenient for simultaneously makes the complete machine structure compacter pleasing to the eye.
In order to solve the technical problem, the utility model provides a technical scheme as follows: a compressor shell comprises a main body and a cooling part, wherein the cooling part is integrally formed with the main body; the cooling part is internally provided with a cooling cavity, and the cooling part is also provided with an air inlet and an air outlet which are communicated with the cooling cavity.
The cooling part and the main body are integrally formed, so that the integral structure can be simplified, the assembly efficiency is improved, the fault risk caused by an independent cooling system is reduced, and meanwhile, the optimized layout of the whole machine pipeline is convenient, so that the whole machine structure is more compact and attractive.
Preferably, the main body is provided with a crankshaft mounting hole, and the cooling cavity is arranged around the crankshaft mounting hole.
Preferably, the cooling cavity is U-shaped and arranged around the crankshaft mounting hole.
Preferably, the cooling part is arranged in a U shape along the extension direction of the cooling cavity and encloses a ventilation space.
An electric air compressor comprises a compressor shell, a motor, an air cylinder and a crankshaft, wherein the crankshaft is positioned in the compressor shell and is rotatably and movably connected with the compressor shell through a crankshaft mounting hole; the compressor shell is the compressor shell as described above; the ventilating space is internally provided with a fan, and the fan and the crankshaft are coaxially arranged and synchronously rotate.
The fan is used for forced cooling, cooling efficiency is improved, meanwhile, the fan is directly driven by the motor, a driving device does not need to be independently arranged, and fault probability is reduced. And because the work of fan and air compression work go on in step, the effectual process of having guaranteed air compression is always with wind cold and is accompanied, compares with independent drive arrangement, can avoid the condition that the heat dissipation is not enough because of independent drive arrangement trouble causes taking place.
Preferably, the cooling part is located between the main body and the motor, the motor is connected with the crankshaft through a coupling, and the fan is connected with the coupling or is integrally arranged with the coupling.
Preferably, a motor mounting seat is arranged on one side of the cooling part far away from the main body, and the motor is connected with the cooling part through the motor mounting seat.
Preferably, the cooling part is provided with an air inlet and an air outlet which are communicated with the ventilation space, and the air outlet direction of the air outlet is arranged upwards; and the upper end of the cooling part is also provided with an air guide cover, and the opening of the air guide cover faces the cylinder. The air guide cover guides the air flow to the air cylinder, and the air cylinder can be cooled to a certain degree.
Preferably, the crankshaft comprises a middle section and support sections positioned at two ends of the middle section, and the support sections are provided with support bearing mounting positions; connecting rod bearing mounting positions are respectively arranged between the middle section and the two supporting sections; the middle section and the support section are integrally formed, and the diameter of the connecting rod bearing mounting position is larger than that of the support section.
The diameter of the connecting rod bearing mounting position is larger than that of the supporting section, and when the connecting rod bearing is mounted, the connecting rod bearing mounting position can directly penetrate through the supporting section and finally be sleeved with the connecting rod bearing mounting position, so that conditions are created for the integral forming of the crankshaft. The crankshaft adopts an integral structure, the coaxiality precision of the crankshaft is guaranteed, the whole machine is more stable in the transmission stress process, and vibration and noise are reduced.
Drawings
FIG. 1 is a schematic structural view of an electric air compressor according to the present embodiment;
FIG. 2 is a full sectional view of a compressor housing of the electric air compressor of the present embodiment;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural diagram of a crankshaft in the electric air compressor according to the embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in FIG. 1, the electric air compressor comprises a compressor housing 7, an electric motor 4, an air cylinder 1 and a crankshaft 6, wherein the crankshaft 6 is positioned in the compressor housing 7 and is rotatably and movably connected with the compressor housing 7 through a crankshaft mounting hole 78, and the output end of the electric motor 4 is connected with the crankshaft 6 and drives the crankshaft 6 to rotate.
As shown in fig. 2 and 3, the compressor housing 7 includes a main body 71 and a cooling portion 73, and the cooling portion 73 is integrally formed with the main body 71. The cooling part 73 is provided with a cooling cavity 76, and the cooling part 73 is also provided with an air inlet 77 and an air outlet 79 communicated with the cooling cavity 76.
The cooling part 73 and the main body 71 are integrally formed, so that the integral structure can be simplified, the assembly efficiency is improved, the fault risk caused by an independent cooling system is reduced, and meanwhile, the optimized layout of the whole machine pipeline is facilitated, so that the whole machine structure is more compact and attractive.
As shown in fig. 2 and 3, the main body 71 is provided with a crankshaft mounting hole 78, and the cooling cavity 76 is disposed around the crankshaft mounting hole 78. In a preferred embodiment, the cooling chamber 76 is U-shaped, and correspondingly, the cooling portion 73 is U-shaped along the extension direction of the cooling chamber 76 and encloses the ventilation space 74. The ventilation space 74 is provided with a fan 5, and the fan 5 is coaxially arranged with the crankshaft 6 and synchronously rotates.
The fan 5 is used for forced cooling, cooling efficiency is improved, meanwhile, the fan 5 is directly driven by the motor 4, a driving device does not need to be arranged independently, and fault probability is reduced. And because the work of fan 5 and air compression work go on in step, the effectual process of having guaranteed air compression is always wind cold to accompany, compares with independent drive arrangement, can avoid the condition that the heat dissipation is not enough because of independent drive arrangement trouble causes to take place.
As shown in fig. 1, the cooling portion 73 is located between the main body 71 and the motor 4, the motor 4 is connected to the crankshaft 6 through the coupling 3, and the fan 5 is connected to the coupling 3 or is integrally provided with the coupling 3. A motor mounting seat is arranged on one side of the cooling part 73, which is far away from the main body 71, and the motor 4 is connected with the cooling part 73 through the motor mounting seat.
As shown in fig. 1-3, the cooling portion 73 is provided with an air inlet 75 and an air outlet 72 communicated with the ventilation space 74, and the air outlet 72 is arranged upward; the upper end of the cooling part 73 is also provided with an air guide cover 2, and the opening of the air guide cover 2 faces the cylinder 1. The wind scooper 2 guides the airflow to the cylinder 1, and the cylinder 1 can be cooled to some extent.
Further, as shown in fig. 4, the crankshaft 6 includes a middle section 64 and support sections 63 located at two ends of the middle section 64, and the support sections 63 are provided with mounting positions for supporting the bearings 61; the middle section 64 and the two support sections 63 are respectively provided with a connecting rod bearing 62 mounting position; the middle section 64 and the support section 63 are integrally formed, and the diameter of the mounting position of the connecting rod bearing 62 is larger than that of the support section 63.
The diameter of the connecting rod bearing 62 mounting position is larger than that of the supporting section 63, and when the connecting rod bearing 62 is mounted, the connecting rod bearing 62 can directly penetrate through the supporting section 63 and finally the connecting rod bearing 62 mounting position is sleeved, so that conditions are created for integral forming of the crankshaft 6. The crankshaft 6 adopts an integral structure, the coaxiality precision of the crankshaft 6 is guaranteed, the whole machine is more stable in the transmission stress process, and vibration and noise are reduced.
As shown in fig. 4, after the connecting rod bearing 62 is mounted, a retainer ring 65 may be provided on the crankshaft 6 in order to limit the connecting rod bearing 62 and prevent the connecting rod bearing 62 from being displaced during operation. The securing ring 65 can be arranged on both sides of the connecting rod bearing 62 or only on the side close to the connecting piece.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (9)
1. A compressor housing, characterized by: the cooling part and the main body are integrally formed; the cooling part is internally provided with a cooling cavity, and the cooling part is also provided with an air inlet and an air outlet which are communicated with the cooling cavity.
2. The compressor housing of claim 1, wherein: the main body is provided with a crankshaft mounting hole, and the cooling cavity is arranged around the crankshaft mounting hole.
3. The compressor housing of claim 2, wherein: the cooling cavity is arranged around the crankshaft mounting hole in a U shape.
4. The compressor housing of claim 3 wherein: the cooling part is arranged in a U shape along the extension direction of the cooling cavity and encloses a ventilation space.
5. An electric air compressor comprises a compressor shell, a motor, an air cylinder and a crankshaft, wherein the crankshaft is positioned in the compressor shell and is rotatably and movably connected with the compressor shell through a crankshaft mounting hole;
the method is characterized in that: said compressor housing being the compressor housing of claim 4; the ventilating space is internally provided with a fan, and the fan and the crankshaft are coaxially arranged and synchronously rotate.
6. The electric air compressor of claim 5, wherein: the cooling part is positioned between the main body and the motor, the motor is connected with the crankshaft through a coupler, and the fan is connected with the coupler or integrally arranged with the coupler.
7. The electric air compressor of claim 6, wherein: one side of the cooling part far away from the main body is provided with a motor mounting seat, and the motor is connected with the cooling part through the motor mounting seat.
8. The electric air compressor of claim 5, wherein: the cooling part is provided with an air inlet and an air outlet which are communicated with the ventilation space, and the air outlet direction of the air outlet is arranged upwards; and the upper end of the cooling part is also provided with an air guide cover, and the opening of the air guide cover faces the cylinder.
9. The electric air compressor according to any one of claims 5 to 8, wherein: the crankshaft comprises a middle section and support sections positioned at two ends of the middle section, and the support sections are provided with support bearing mounting positions; connecting rod bearing mounting positions are respectively arranged between the middle section and the two supporting sections; the middle section and the support section are integrally formed, and the diameter of the connecting rod bearing mounting position is larger than that of the support section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969144.5U CN213175994U (en) | 2020-09-10 | 2020-09-10 | Compressor housing and electric air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021969144.5U CN213175994U (en) | 2020-09-10 | 2020-09-10 | Compressor housing and electric air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213175994U true CN213175994U (en) | 2021-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021969144.5U Active CN213175994U (en) | 2020-09-10 | 2020-09-10 | Compressor housing and electric air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213175994U (en) |
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2020
- 2020-09-10 CN CN202021969144.5U patent/CN213175994U/en active Active
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Effective date of registration: 20230905 Granted publication date: 20210511 |