A multi-cavity injection molded member for heat dissipation of an electric machine

Abstract

The utility model discloses a kind of multi-cavity injection molding components for motor heat dissipation, including motor component one and motor component two, and the outer surface of motor component one and motor component two is equipped with heat dissipation fin assembly. The utility model distributes multiple ventilation chambers in motor component one and motor component two, and three-dimensional heat dissipation path is formed by multi-cavity design, avoids heat concentration by partition design, increases heat dissipation area, motor component one and motor component two are integrally injection molded using carbon fiber composite material, reduce production cost and reduce weight, the positioning boss set ensures close contact with motor, accelerates heat dissipation, the heat conduction plate set on the outside of motor component one and motor component two penetrates ventilation chamber, can quickly conduct the heat of motor heat source to each cavity, avoid local overheating, and the heat dissipation fin set increases surface area to improve heat dissipation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of motor heat dissipation technology, specifically a multi-cavity injection molded component for motor heat dissipation. Background Technology

[0002] Multi-cavity injection molded parts for motor cooling refer to plastic parts with multiple cavities manufactured through injection molding. They are mainly used in motor cooling systems. Traditional injection molded parts have a single heat dissipation channel and low heat dissipation efficiency.

[0003] The prior art, disclosed in patent document CN221428685U, presents the following technical solution: a motor heat dissipation housing, comprising a motor housing body, a water-cooled heat dissipation cavity inside the motor housing body, a heat dissipation fin on the outside of the motor housing body, one end of the heat dissipation fin extending into the water-cooled heat dissipation cavity, an air-cooled heat dissipation groove inside the end of the heat dissipation fin near the water-cooled heat dissipation cavity, a first air-cooled heat dissipation hole inside the end of the heat dissipation fin away from the water-cooled heat dissipation cavity, and one end of the air-cooled heat dissipation groove communicating with the first air-cooled heat dissipation hole, and a second air-cooled heat dissipation hole at one end of the heat dissipation fin.

[0004] The heat sinks in the above-mentioned technical solution are inserted into the water-cooling cavity, making them difficult to replace or maintain. Over time, they are prone to oxidation or rust, which reduces the heat dissipation effect of the heat sinks. Utility Model Content

[0005] The purpose of this invention is to provide a multi-cavity injection molded component for motor heat dissipation, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-cavity injection molded component for motor heat dissipation, comprising a motor component one and a motor component two, wherein heat dissipation fin assemblies are installed on the outer surfaces of both the motor component one and the motor component two.

[0007] Both motor component one and motor component two are provided with ventilation chambers. Multiple ventilation chambers are distributed and interconnected. The outer surfaces of both motor component one and motor component two are provided with mounting grooves.

[0008] In the above technical solution, motor component one and motor component two are distributed with multiple ventilation chambers. The multi-chamber design forms a three-dimensional heat dissipation path, and the partition design avoids heat concentration and increases the heat dissipation area.

[0009] The heat dissipation fin assembly includes a heat-conducting plate, which is inserted into a mounting groove. Limiting plates are fixedly connected to the outer walls of both ends of the heat-conducting plate. The limiting plates are disposed on the outer walls of motor component one and motor component two. Heat dissipation fins are fixedly connected to the outer ends of the heat-conducting plate. Heat dissipation holes are arranged on the heat dissipation fins. L-shaped mounting plates are provided at the edges of both ends of motor component one and motor component two via hinges. The L-shaped mounting plates are rotatably mounted on the limiting plates. Screws are threadedly connected between the limiting plates and the L-shaped mounting plates.

[0010] In the above technical solution, the heat-conducting plates installed on the outside of motor component one and motor component two penetrate the ventilation chamber, which can quickly conduct the heat from the motor heat source to each cavity, avoiding local overheating. The heat dissipation fins improve heat dissipation efficiency by increasing the surface area. In addition, the heat-conducting plates and heat dissipation fins are installed on the outside of the motor components through limiting plates, L-shaped mounting plates and screws. They can be removed for replacement or maintenance by disassembly, thereby improving the heat dissipation effect.

[0011] As a further preferred embodiment of this technical solution, both motor component one and motor component two are injection molded from carbon fiber composite material.

[0012] In the above technical solution, motor component one and motor component two are integrally injection molded from carbon fiber composite material, which reduces production costs and weight.

[0013] As a further preferred embodiment of this technical solution, both the first motor component and the second motor component are fixedly connected to a support member at their bottom, and the support member has mounting holes arranged on its bottom side.

[0014] As a further preferred embodiment of this technical solution, both the inner walls of motor component one and motor component two are provided with positioning bosses, which are in close contact with the motor housing.

[0015] In the above technical solution, the positioning boss ensures close contact with the motor and accelerates heat dissipation.

[0016] As a further preferred embodiment of this technical solution, the first motor component has snap-fit ​​grooves at both its upper and lower ends, and the second motor component has snap-fit ​​plates fixedly connected to both its upper and lower ends, with the snap-fit ​​plates inserted into the snap-fit ​​grooves.

[0017] As a further preferred embodiment of this technical solution, screw holes are provided on the upper and lower sides of both ends of the motor component one and the motor component two, and a connecting plate is provided on the outer wall between the screw holes at both ends, and screws are provided between the screw holes and the connecting plate.

[0018] In the above technical solution, motor component one and motor component two are connected and fixed by connecting plates and screws, which improves the ease of assembly and facilitates maintenance.

[0019] As a further preferred embodiment of this technical solution, the positioning boss is made of a thermally conductive metal material.

[0020] This utility model provides a multi-cavity injection molded component for motor heat dissipation, which has the following beneficial effects:

[0021] (1) The motor component one and motor component two of this utility model are distributed in multiple ventilation chambers. The multi-chamber design forms a three-dimensional heat dissipation path. The separation design avoids heat concentration and increases the heat dissipation area. The motor component one and motor component two are integrally injection molded from carbon fiber composite material, which reduces production costs and weight. The positioning boss ensures close contact with the motor and accelerates heat dissipation.

[0022] (2) This utility model can quickly conduct the heat of the motor heat source to each cavity by the heat-conducting plate set on the outside of the motor component 1 and the motor component 2 through the ventilation chamber, thus avoiding local overheating. The heat dissipation fins set up increase the heat dissipation efficiency by increasing the surface area. In addition, the heat-conducting plate and heat dissipation fins are set on the outside of the motor component by the limiting plate, L-shaped mounting plate and screw. They can be removed by disassembly for replacement or maintenance, thereby improving the heat dissipation effect. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram showing the disassembled structure of motor housing 1 and motor housing 2 of this utility model;

[0025] Figure 3 This is an enlarged view of Figure A of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the heat sink fin assembly of this utility model;

[0027] Figure 5 This is an enlarged view of Figure B of this utility model;

[0028] In the diagram: 1. Motor component one; 2. Motor component two; 3. Support component; 4. Heat sink fin assembly; 41. Heat conduction plate; 42. Heat sink fins; 43. Heat dissipation hole; 44. Limiting plate; 45. L-shaped mounting plate; 46. Screw; 5. Positioning boss; 6. Snap-fit ​​groove; 7. Snap-fit ​​plate; 8. Screw hole; 9. Connecting plate; 91. Screw; 10. Ventilation chamber; 101. Mounting groove. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0030] This utility model provides a technical solution: such as Figure 1 and Figure 4 As shown in this embodiment, a multi-cavity injection-molded component for motor heat dissipation includes a motor component 1 and a motor component 2. Both motor component 1 and motor component 2 are fixedly connected to a support member 3 at their bottom. Mounting holes are arranged on the bottom side of the support member 3. Both motor component 1 and motor component 2 are injection-molded from carbon fiber composite material. Both motor component 1 and motor component 2 have ventilation chambers 10, which are distributed in multiple and interconnected. Mounting grooves 101 are arranged on the outer surface of both motor component 1 and motor component 2. The arrangement of multiple ventilation chambers 10 in motor component 1 and motor component 2 creates a three-dimensional heat dissipation path. The partitioned design avoids heat concentration and increases the heat dissipation area. The integral injection molding of motor component 1 and motor component 2 from carbon fiber composite material reduces production costs and lightens weight.

[0031] like Figure 4 and Figure 5 As shown, both motor component 1 and motor component 2 are equipped with heat dissipation fin assemblies 4 on their outer surfaces. Each heat dissipation fin assembly 4 includes a heat-conducting plate 41, which is inserted into a mounting groove 101. Limiting plates 44 are fixedly connected to the outer walls of both ends of the heat-conducting plate 41. The limiting plates 44 are located on the outer walls of both motor component 1 and motor component 2. Heat dissipation fins 42 are fixedly connected to the outer ends of the heat-conducting plate 41. Heat dissipation holes 43 are arranged on the heat dissipation fins 42. L-shaped mounting plates 45 are hinged at the edges of both ends of both motor component 1 and motor component 2. The L-shaped mounting plates 45 are rotatably mounted... The device is placed on the limiting plate 44, and the limiting plate 44 and the L-shaped mounting plate 45 are both threadedly connected by screws 46. The heat conduction plate 41 set on the outside of the motor component 1 and the motor component 2 penetrates the ventilation chamber 10, which can quickly conduct the heat of the motor heat source to each cavity and avoid local overheating. The heat dissipation fins 42 set on the device increase the heat dissipation efficiency by increasing the surface area. In addition, the heat conduction plate 41 and the heat dissipation fins 42 are set on the outside of the motor component through the limiting plate 44, the L-shaped mounting plate 45 and the screws 46. They can be removed by disassembly for replacement or maintenance, thereby improving the heat dissipation effect.

[0032] like Figure 2 As shown, positioning bosses 5 are arranged on the inner walls of motor component 1 and motor component 2. The positioning bosses 5 are in close contact with the motor housing. The positioning bosses 5 are made of thermally conductive metal material. The positioning bosses 5 ensure close contact with the motor and accelerate heat dissipation.

[0033] like Figure 2 and Figure 3As shown, both the upper and lower ends of motor component 1 are provided with snap-fit ​​grooves 6, and both the upper and lower ends of motor component 2 are fixedly connected with snap-fit ​​plates 7. The snap-fit ​​plates 7 are inserted into the snap-fit ​​grooves 6. Both the upper and lower sides of both ends of motor component 1 and motor component 2 are provided with screw holes 8. A connecting plate 9 is provided on the outer wall between the screw holes 8 at both ends. Screws 91 are provided between the screw holes 8 and the connecting plate 9. Motor component 2 is inserted into the snap-fit ​​grooves 6 on motor component 1 through the snap-fit ​​plates 7, and is connected and fixed by the connecting plate 9 and the screws 91, which improves the ease of assembly and facilitates maintenance.

[0034] This utility model provides a multi-cavity injection molded component for motor heat dissipation. The specific working principle is as follows: the motor component 1 and motor component 2 are provided with multiple ventilation chambers 10. The multi-cavity design forms a three-dimensional heat dissipation path. The partition design avoids heat concentration and increases the heat dissipation area. The positioning boss 5 ensures close contact with the motor and accelerates heat dissipation. In order to improve the heat dissipation effect of the heat conduction plate 41 and the heat dissipation fins 42, they can be disassembled and replaced or maintained periodically. That is, loosen the screw 46 between the limiting plate 44 and the L-shaped mounting plate 45, and flip the L-shaped mounting plate 45 to remove the heat conduction plate 41 and the heat dissipation fins 42.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-cavity injection-molded component for heat dissipation of an electric motor, comprising a first motor component (1) and a second motor component (2), characterized in that: The outer surfaces of both motor component one (1) and motor component two (2) are equipped with heat dissipation fin assemblies (4). Both the first motor component (1) and the second motor component (2) are provided with ventilation chambers (10). Multiple ventilation chambers (10) are distributed and interconnected. The outer surfaces of the first motor component (1) and the second motor component (2) are provided with mounting grooves (101). The heat dissipation fin assembly (4) includes a heat-conducting plate (41), which is inserted into the mounting groove (101). Limiting plates (44) are fixedly connected to the outer walls of both ends of the heat-conducting plate (41). The limiting plates (44) are set on the outer walls of motor component one (1) and motor component two (2). Heat dissipation fins (42) are fixedly connected to the outer ends of the heat-conducting plate (41). Heat dissipation holes (43) are arranged on the heat dissipation fins (42). L-shaped mounting plates (45) are provided at the edges of both ends of motor component one (1) and motor component two (2) through hinges. The L-shaped mounting plates (45) are rotated and set on the limiting plates (44). Screws (46) are threadedly connected between the limiting plates (44) and the L-shaped mounting plates (45).

2. The multi-cavity injection molded component for motor heat dissipation according to claim 1, characterized in that: Both the motor component one (1) and the motor component two (2) are injection molded from carbon fiber composite material.

3. A multi-cavity injection-molded component for motor heat dissipation according to claim 1, characterized in that: Both the motor component one (1) and the motor component two (2) are fixedly connected to a support member (3) at the bottom, and the support member (3) has mounting holes arranged on its bottom side.

4. A multi-cavity injection-molded component for motor heat dissipation according to claim 1, characterized in that: The inner walls of both motor component one (1) and motor component two (2) are provided with positioning bosses (5), which are in close contact with the motor housing.

5. A multi-cavity injection-molded component for motor heat dissipation according to claim 1, characterized in that: The motor component one (1) has a snap-fit ​​groove (6) at both the top and bottom ends, and the motor component two (2) has a snap-fit ​​plate (7) fixedly connected at both the top and bottom ends, and the snap-fit ​​plate (7) is inserted into the snap-fit ​​groove (6).

6. A multi-cavity injection-molded component for motor heat dissipation according to claim 1, characterized in that: Screw holes (8) are provided on the upper and lower sides of both ends of the motor component one (1) and motor component two (2). A connecting plate (9) is provided on the outer wall between the screw holes (8) at both ends. Screws (91) are provided between the screw holes (8) and the connecting plate (9).

7. A multi-cavity injection-molded component for motor heat dissipation according to claim 4, characterized in that: The positioning boss (5) is made of thermally conductive metal material.

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