Heat dissipation shell assembly and vacuum pump

Abstract

The utility model discloses a heat dissipation shell assembly and a vacuum pump, the heat dissipation shell assembly comprises a pump shell body and a partition plate, and the pump shell body is used for rotation of a rotor; one side of the partition plate is fixed to the pump shell body, the other side of the partition plate is used for fixing a driving motor so that the driving motor can be connected with the rotor, the partition plate is provided with a heat dissipation cavity, and when the rotor is driven by the driving motor to work, the heat dissipation cavity is communicated with the heat dissipation cavity. And heat transferred to the partition plate by the driving motor is dissipated through the heat dissipation cavity. According to the utility model, the temperature rise speed is prevented from being too fast, so that the heat dissipation efficiency of the partition plate can be improved during operation.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump technology, specifically to a heat dissipation housing assembly and a vacuum pump. Background Technology

[0002] Vacuum pumps generate heat during operation, and this heat must be dissipated through a specific medium. In related technologies, the inventors have discovered that the heat generated by existing vacuum pumps during operation is usually transferred to the partition. Since the partition mainly serves as a carrier connecting the rotor cavity and the drive motor, its temperature rises rapidly, resulting in insufficient heat dissipation efficiency of excessively thick partitions during operation. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in related technologies. Therefore, one objective of this utility model is to provide a heat dissipation housing assembly, comprising:

[0004] Pump housing body, the pump housing body being used to supply rotation of the rotor;

[0005] A partition plate is fixed to the pump housing body on one side and to a drive motor on the other side, so as to connect the drive motor and the rotor. The partition plate has a heat dissipation cavity, and when the rotor is driven by the drive motor, the heat transferred from the drive motor to the partition plate is dissipated through the heat dissipation cavity.

[0006] Preferably, the partition has a base and a thickened portion, the thickened portion protruding from the surface of the base, and the heat dissipation cavity recessed from the surface of the thickened portion toward the base.

[0007] Preferably, a gas channel is formed between the base and the thickened portion, and the gas channel is interconnected with the pump housing body.

[0008] Preferably, the heat dissipation cavity includes a heat dissipation bottom surface and a heat dissipation side surface. The heat dissipation bottom surface is located on the base surface, and the heat dissipation side surface is located on the thickened portion. A transition arc surface is formed between the heat dissipation bottom surface and the heat dissipation side surface to connect them.

[0009] Preferably, the thickened portion is further provided with a plurality of fixing holes, which are opposite to the pump housing body and are used to fix the drive motor.

[0010] Preferably, the depth of the heat dissipation cavity is less than or equal to the thickness of the thickened portion.

[0011] Preferably, the partition plate is further provided with at least two shaft holes, and at least two rotors are rotatably inserted into the at least two shaft holes respectively.

[0012] Preferably, a limiting member is provided in the shaft hole, and the rotor is installed in the shaft hole through the limiting member.

[0013] Another objective of this invention is to provide a vacuum pump comprising the heat dissipation housing assembly as described above.

[0014] The above-described solution of this utility model has at least the following beneficial effects:

[0015] The heat dissipation housing assembly provided by this utility model can be connected to a rotor by a drive motor to drive the rotor to rotate within the pump housing body. When the drive motor drives the rotor to work, the heat transferred by the drive motor to the partition can be dissipated through the heat dissipation cavity, thereby avoiding excessive temperature rise and improving the heat dissipation efficiency of the partition during operation.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the heat dissipation housing assembly provided in the embodiment of this utility model;

[0019] Figure 2 This is an exploded view of the heat dissipation housing assembly provided in the embodiments of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the partition provided in the embodiment of this utility model;

[0021] Figure 4 yes Figure 3 The sectional view of AA shown;

[0022] Explanation of icon numbers:

[0023] 10. Pump casing body; 20. Partition plate; 201. Heat dissipation cavity; 2011. Heat dissipation bottom surface; 2012. Heat dissipation side surface; 202. Base; 203. Thickened part; 204. Fixing hole; 205. Shaft hole; 30. Rotor; 40. Limiting component.

[0024] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying 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 this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] The heat dissipation housing assembly of this utility model embodiment is described in detail below with reference to the accompanying drawings.

[0031] Reference Figure 1 and Figure 2 As shown, the heat dissipation housing assembly provided by this utility model includes: a pump housing body 10 and a partition plate 20. The pump housing body 10 is used to allow the rotor 30 to rotate. One side of the partition plate 20 is fixed to the pump housing body 10, and the other side is used to fix the drive motor so as to connect the drive motor and the rotor 30 to each other. The partition plate 20 has a heat dissipation cavity 201. When the rotor 30 is driven by the drive motor, the heat transferred by the drive motor to the partition plate 20 is dissipated through the heat dissipation cavity 201.

[0032] The heat dissipation housing assembly provided by this utility model can be connected to the rotor 30 by a drive motor to drive the rotor 30 to rotate inside the pump housing body 10. When the drive motor drives the rotor 30 to work, the heat transferred by the drive motor to the partition 20 can be dissipated through the heat dissipation cavity 201, thereby avoiding the temperature rise rate being too fast and improving the heat dissipation efficiency of the partition 20 during operation.

[0033] Reference Figures 2 to 4 As shown, the partition 20 has a base 202 and a thickened portion 203. The thickened portion 203 protrudes from the surface of the base 202, and the heat dissipation cavity 201 is recessed from the surface of the thickened portion 203 toward the base 202. Furthermore, a gas channel is formed between the base 202 and the thickened portion 203, and the gas channel is interconnected with the pump housing body 10.

[0034] In this embodiment, the inlet of the gas channel can be on the side of the base 202 away from the thickened portion 203, and the outlet can be on the side of the thickened portion 203. When the rotor 30 is working, the gas inside the pump housing body 10 can be transported outward through the gas channel. It is understood that when the drive motor drives the rotor 30 to work, the heat transferred to the thickened portion 203 can be dissipated through the heat dissipation cavity 201 to avoid the temperature of the partition 20 rising too quickly.

[0035] Furthermore, the heat dissipation cavity 201 includes a heat dissipation bottom surface 2011 and a heat dissipation side surface 2012. The heat dissipation bottom surface 2011 is located on the surface of the base 202, and the heat dissipation side surface 2012 is located on the thickened portion 203. A transition arc surface is formed between the heat dissipation bottom surface 2011 and the heat dissipation side surface 2012 to connect them. The heat dissipation bottom surface 2011 and the heat dissipation side surface 2012 allow the thickened portion 203 to form a larger heat dissipation area and a greater heat conduction area, ensuring that the heat transferred from the drive motor to the thickened portion 203 can be dissipated more quickly, resulting in better heat dissipation. As an optional embodiment, the heat dissipation cavity 201 can also be provided with a structure of multiple heat dissipation fins, resulting in a larger heat dissipation area and better heat dissipation. Optionally, the depth of the heat dissipation cavity 201 is less than or equal to the thickness of the thickened portion 203.

[0036] Specifically, the thickened part 203 is also provided with multiple fixing holes 204, which are opposite to the pump housing body 10, for fixing the drive motor. The drive motor can be connected and fixed between the fixing holes 204 and the partition plate 20, so that the drive motor can be connected to the rotor 30, ensuring better overall stability.

[0037] Specifically, the partition 20 is provided with at least two shaft holes 205, and at least two rotors 30 are rotatably inserted into the at least two shaft holes 205 respectively; furthermore, a limiting member 40 is provided in the shaft hole 205, and the rotor 30 is installed in the shaft hole 205 through the cooperation of the limiting member 40. In this way, the rotor 30 is installed in the shaft hole 205 by the cooperation of the limiting member 40 and the shaft hole 205, so that the stability between the rotor 30 and the partition 20 is better.

[0038] The vacuum pump provided in the embodiments of this utility model includes the heat dissipation housing assembly as described above. The vacuum pump, through the heat dissipation housing assembly, can be driven by a drive motor connected to a rotor 30 to rotate within the pump housing body 10. This allows the heat transferred from the drive motor to the partition 20 during rotor 30 operation to be dissipated through the heat dissipation cavity 201, thereby preventing excessively rapid temperature rise and improving the heat dissipation efficiency of the partition 20 during operation.

[0039] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0040] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A heat dissipating housing assembly, characterized by, include: Pump housing body, the pump housing body being used to supply rotation of the rotor; A partition plate is fixed to the pump housing body on one side and to a drive motor on the other side, so as to connect the drive motor and the rotor. The partition plate has a heat dissipation cavity, and when the rotor is driven by the drive motor, the heat transferred from the drive motor to the partition plate is dissipated through the heat dissipation cavity.

2. The heat dissipating enclosure assembly of claim 1, wherein, The partition has a base and a thickened portion, the thickened portion protruding from the surface of the base, and the heat dissipation cavity recessed from the surface of the thickened portion toward the base.

3. The heat dissipating enclosure assembly of claim 2, wherein, A gas channel is formed between the base and the thickened portion, and the gas channel is interconnected with the pump housing body.

4. The heat dissipating enclosure assembly of claim 2, wherein, The heat dissipation cavity includes a heat dissipation bottom surface and a heat dissipation side surface. The heat dissipation bottom surface is located on the base surface, and the heat dissipation side surface is located on the thickened portion. A transition arc surface is formed between the heat dissipation bottom surface and the heat dissipation side surface to connect them.

5. The heat dissipating enclosure assembly of claim 2, wherein, The thickened portion is also provided with multiple fixing holes, which are opposite to the pump housing body and are used to fix the drive motor.

6. The heat dissipating enclosure assembly of claim 2, wherein, The depth of the heat dissipation cavity is less than or equal to the thickness of the thickened portion.

7. The heat dissipating enclosure assembly of claim 1, wherein, The partition plate is also provided with at least two shaft holes, and at least two of the rotors are rotatably inserted into the at least two shaft holes respectively.

8. The heat dissipating enclosure assembly of claim 7, wherein, A limiting element is provided in the shaft hole, and the rotor is installed in the shaft hole through the limiting element.

9. A vacuum pump, characterized by Includes the heat dissipation housing assembly as described in any one of claims 1 to 8.

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