CN209990611U - Cooling device of air compressor - Google Patents
Cooling device of air compressor Download PDFInfo
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- CN209990611U CN209990611U CN201920465546.2U CN201920465546U CN209990611U CN 209990611 U CN209990611 U CN 209990611U CN 201920465546 U CN201920465546 U CN 201920465546U CN 209990611 U CN209990611 U CN 209990611U
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Abstract
The utility model relates to the field of air compressors, in particular to a cooling device of an air compressor, wherein a rotor of the air compressor is connected with a motor through a gear, the gear is arranged in an oil cavity of an end cover, a motor cooling channel comprises a first connecting port and a second connecting port which are arranged on the surface of a shell of the motor, and a first channel for connecting the first connecting port and the second connecting port is arranged in the shell; the oil cavity cooling channel comprises a third connecting port and a fourth connecting port which are arranged on the surface of the end cover, and a second channel for connecting the third connecting port and the fourth connecting port is arranged in the end cover; and the first connecting port or the second connecting port is connected with the third connecting port or the fourth connecting port through the connecting pipe. The utility model discloses make the improvement on current motor cooling channel basis to there is oil pocket cooling channel in bearing end cover position design, with motor cooling channel and oil pocket cooling channel combination intercommunication, form air compressor's brand-new cooling channel form, greatly improved air compressor's cooling efficiency.
Description
Technical Field
The utility model belongs to the technical field of air compressor's cooling device and specifically relates to air compressor.
Background
An air compressor is a device for compressing gas, and is similar to a water pump in structure, and most of the existing air compressors are reciprocating pistons, rotating blades or rotating screws. And air compressor's drive unit generally chooses the motor for use, and the rotor that drives among the air compressor through the motor rotates, and air compressor can do work at compressed air's working process, produces a large amount of heats, and the heat of production can transmit motor shaft, bearing, oil blanket through air compressor's casing and rotor to make lubricating oil temperature rise, the long-time high temperature operation of lubricating oil can influence the life of bearing and oil blanket. In the prior art, only a structure for cooling a motor coil is adopted, and the cooling effect on a bearing, an oil seal and lubricating oil with higher temperature is not realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air compressor's cooling device, its structural design is reasonable, make the improvement on current motor cooling channel basis, and there is oil pocket cooling channel in bearing end cover position design, with motor cooling channel and oil pocket cooling channel combination intercommunication, form air compressor's brand-new cooling channel form, air compressor's cooling efficiency has greatly been improved, can be to the motor, the bearing, oil blanket and lubricating oil all last cooling, can cool off the air compressor casing indirectly simultaneously, reduce the heat altered volume of casing, the problem that exists among the prior art has been solved.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: air compressor's cooling device, air compressor's rotor links to each other through gear and motor, the gear setting is in the oil pocket of end cover, includes:
the motor cooling channel comprises a first connecting port and a second connecting port which are arranged on the surface of a shell of the motor, and a first channel for connecting the first connecting port and the second connecting port is arranged in the shell;
the oil cavity cooling channel comprises a third connecting port and a fourth connecting port which are arranged on the surface of the end cover, and a second channel for connecting the third connecting port and the fourth connecting port is arranged in the end cover;
and the first connecting port or the second connecting port is connected with the third connecting port or the fourth connecting port through a connecting pipe and is communicated with the motor cooling channel and the oil cavity cooling channel, so that an external cooling medium forms a circulating flow through the motor cooling channel and the oil cavity cooling channel.
Preferably, the first channel is substantially arranged along the outside of the motor coil, and forms a motor cooling channel around the outside of the motor coil together with the first connection port and the second connection port.
Preferably, the second passage is arranged substantially along the outside of the oil chamber, and forms an oil chamber cooling passage around the outside of the oil chamber together with the third connection port and the fourth connection port.
Preferably, the projections of the first connecting port and the second connecting port in the vertical direction are substantially coincident, and the first channel in the housing is arranged along a zigzag path.
Preferably, the projections of the third connecting port and the fourth connecting port in the vertical direction are approximately coincident, and the second channel in the end cap is arranged along an arc-shaped path.
Preferably, the first connection port is provided below the second connection port, the fourth connection port is provided below the third connection port, and the second connection port and the third connection port are provided with the connection pipes.
Preferably, the first connection port is used for a liquid inlet of an external cooling medium, and the fourth connection port is used for a liquid outlet of the external cooling medium.
Preferably, the fourth connection port is used for a liquid inlet of an external cooling medium, and the first connection port is used for a liquid outlet of the external cooling medium.
Preferably, the first connecting port, the second connecting port, the third connecting port and the fourth connecting port are respectively provided with a connecting head, and the connecting heads can be matched with and connected with a cooling medium conveying pipeline and a connecting pipe.
Preferably, the connector is connected with the first connection port, the second connection port, the third connection port and the fourth connection port in a threaded manner.
The utility model adopts the above structure beneficial effect is, its structural design is reasonable, make the improvement on current motor cooling channel basis, and there is oil pocket cooling channel in bearing end cover position design, with motor cooling channel and oil pocket cooling channel combination intercommunication, form air compressor's brand-new cooling channel form, air compressor's cooling efficiency has greatly been improved, can all last cooling to the motor, the bearing, oil blanket and lubricating oil, can cool off the air compressor casing indirectly simultaneously, reduce the heat deflection of casing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural view in the direction B-B in fig. 1.
Fig. 4 is a schematic side view of the present invention.
Fig. 5 is a schematic view of the structure in the direction C-C in fig. 4.
In the figure, 1, an air compressor; 2. a motor; 3. an end cap; 4. an oil chamber; 5. a housing; 6. a first connection port; 7. a second connection port; 8. a first channel; 9. an end cap; 10. a third connection port; 11. a fourth connection port; 12. a second channel; 13. a connecting pipe; 14. a connecting head.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-5, in the cooling device of the air compressor, a rotor of the air compressor 1 is connected with the motor 2 through a gear, the gear is arranged in an oil cavity 4 of the end cover 3, the cooling device comprises a motor cooling channel and an oil cavity cooling channel, the motor cooling channel comprises a first connecting port 6 and a second connecting port 7 which are arranged on the surface of a machine shell 5 of the motor 2, and a first channel 8 for connecting the first connecting port 6 and the second connecting port 7 is arranged in the machine shell 5; the oil cavity cooling channel comprises a third connecting port 10 and a fourth connecting port 11 which are arranged on the surface of the end cover 9, and a second channel 12 for connecting the third connecting port 10 and the fourth connecting port 11 is arranged in the end cover 9; the first connecting port 6 or the second connecting port 7 is connected with the third connecting port 10 or the fourth connecting port 11 through the connecting pipe 13 and is communicated with the motor cooling channel and the oil cavity cooling channel, so that an external cooling medium forms circulating flow through the motor cooling channel and the oil cavity cooling channel, the cooling efficiency of the air compressor is greatly improved, lubricating oil in the oil cavity can be subjected to continuous heat dissipation and cooling, the motor can be effectively dissipated, the motor is guaranteed to keep a good working state, the gear in the oil cavity is guaranteed to keep good transmission efficiency, and the cooling medium can be selected from cooling water, cooling liquid or other medium forms according to product requirements.
In order to improve the heat absorption area of the motor cooling channel and the heating area in the motor and improve the heat dissipation efficiency, the first channel 8 is generally arranged along the outside of the coil of the motor 2 and forms a motor cooling channel around the outside of the coil of the motor 2 together with the first connecting port 6 and the second connecting port 7.
As shown in fig. 2, in order to increase the heat absorbing area of the oil chamber cooling passage and the oil chamber and to improve the heat dissipation efficiency, the second passage 12 is provided substantially along the outside of the oil chamber 4, and forms an oil chamber cooling passage around the outside of the oil chamber 4 together with the third connection port 10 and the fourth connection port 11.
In order to facilitate the arrangement of the first connection port 6 and the second connection port 7 on the surface of the housing 5, and considering the connection problem between the first connection port 6 and the second connection port 7 and the external pipeline, the projections of the first connection port 6 and the second connection port 7 in the vertical direction are substantially overlapped, as shown in fig. 5, and the first channel 8 in the housing 5 is arranged along the circular path, and considering the internal structure of the motor, the first channel 8 is arranged along the circular path, so that a large heat dissipation area can be ensured.
In order to facilitate the arrangement of the third connecting port 10 and the fourth connecting port 11 on the surface of the end cover 9, and simultaneously, in consideration of the connection problem between the third connecting port 10 and the external pipeline and the connection problem between the fourth connecting port 11 and the external pipeline, the projections of the third connecting port 10 and the fourth connecting port 11 in the vertical direction are approximately overlapped, the second channel 12 in the end cover 9 is arranged along an arc-shaped path, the arc-shaped path of the second channel 12 is approximately matched with the shape of the oil cavity 4, the maximum heat absorption area of the oil cavity can be ensured, and the heat dissipation efficiency of lubricating oil is improved.
The first connecting port 6 is arranged below the second connecting port 7, the fourth connecting port 11 is arranged below the third connecting port 10, the second connecting port 7 and the third connecting port 10 are provided with the connecting pipes 13, the first connecting port 6 and the fourth connecting port 11 are arranged at the bottom of the mounting position close to the air compressor 1, the mounting and the arrangement of an external cooling medium pipeline are facilitated, meanwhile, the arrangement of the connecting pipes 13 is facilitated, and the circulating flow of a cooling medium is facilitated.
The first connection port 6 is for the inlet of an external cooling medium and the fourth connection port 11 is for the outlet of an external cooling medium, taking into account the different routing of the cooling medium.
Similarly, the fourth connection port 11 may be used as a liquid inlet for external cooling medium, and the first connection port 6 may be used as a liquid outlet for external cooling medium.
The first connecting port 6, the second connecting port 7, the third connecting port 10 and the fourth connecting port 11 are all provided with a connecting head 14, and the connecting heads 14 can be matched and connected with a cooling medium conveying pipeline and a connecting pipe 13.
The connecting head 14 is connected with the first connecting port 6, the second connecting port 7, the third connecting port 10 and the fourth connecting port 11 in a threaded manner.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. Air compressor's cooling device, air compressor's rotor links to each other through gear and motor, the gear setting is in the oil cavity of end cover, its characterized in that includes:
the motor cooling channel comprises a first connecting port and a second connecting port which are arranged on the surface of a shell of the motor, and a first channel for connecting the first connecting port and the second connecting port is arranged in the shell;
the oil cavity cooling channel comprises a third connecting port and a fourth connecting port which are arranged on the surface of the end cover, and a second channel for connecting the third connecting port and the fourth connecting port is arranged in the end cover;
and the first connecting port or the second connecting port is connected with the third connecting port or the fourth connecting port through a connecting pipe and is communicated with the motor cooling channel and the oil cavity cooling channel, so that an external cooling medium forms a circulating flow through the motor cooling channel and the oil cavity cooling channel.
2. The cooling device of claim 1, wherein the first channel is disposed substantially along an exterior of the motor coil, and cooperates with the first and second connection ports to form a motor cooling channel around the exterior of the motor coil.
3. The cooling device of an air compressor according to claim 1 or 2, wherein the second passage is provided substantially along an outside of the oil chamber, and forms an oil chamber cooling passage around the outside of the oil chamber together with the third connection port and the fourth connection port.
4. The cooling device of claim 2, wherein the first and second connection ports have substantially coincident vertical projections, and the first channel in the housing is disposed along a serpentine path.
5. The cooling arrangement of an air compressor as claimed in claim 3, wherein the projections of the third and fourth connection ports in the vertical direction substantially coincide and the second channel in the end cap is arranged along an arcuate path.
6. The cooling apparatus of an air compressor according to claim 4 or 5, wherein the first connection port is provided below the second connection port, the fourth connection port is provided below the third connection port, and the second connection port and the third connection port are provided with the connection pipes.
7. The cooling device of claim 6, wherein the first connection port is used for an inlet of an external cooling medium, and the fourth connection port is used for an outlet of the external cooling medium.
8. The cooling device of claim 6, wherein the fourth connection port is used for an inlet of an external cooling medium, and the first connection port is used for an outlet of the external cooling medium.
9. The cooling device of an air compressor according to claim 7 or 8, wherein the first connection port, the second connection port, the third connection port and the fourth connection port are provided with connectors, and the connectors are capable of being matched with and connected with a cooling medium conveying pipeline and a connecting pipe.
10. The cooling device of claim 9, wherein the connector is connected to the first connection port, the second connection port, the third connection port and the fourth connection port in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465546.2U CN209990611U (en) | 2019-04-04 | 2019-04-04 | Cooling device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465546.2U CN209990611U (en) | 2019-04-04 | 2019-04-04 | Cooling device of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990611U true CN209990611U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465546.2U Active CN209990611U (en) | 2019-04-04 | 2019-04-04 | Cooling device of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990611U (en) |
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2019
- 2019-04-04 CN CN201920465546.2U patent/CN209990611U/en active Active
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