Motor outer cover with high heat dissipation performance

Abstract

The utility model discloses a motor outer cover with high heat dissipation performance, and relates to the technical field of motor outer covers. Comprising a motor shell, a supporting base is installed on one side of the motor shell, the outer wall of the motor shell is sleeved with an annular heat dissipation piece, the annular heat dissipation piece is arranged in the length direction of the motor shell, the annular heat dissipation piece is provided with a plurality of concave parts and a plurality of protruding parts, the bottom ends of the concave parts are connected with the motor shell, and the interiors of the protruding parts are hollow to form cavities; the two ends of the protruding part are open, so that the cavity in the protruding part is communicated with the outside, and air can flow conveniently. According to the motor outer cover with the high heat dissipation performance, the sunken part and the convex part on the annular heat dissipation piece enable the annular heat dissipation piece to be integrally in a wavy shape, the sunken part is connected with the motor shell, the motor shell can transmit heat to the annular heat dissipation piece for heat dissipation, and a cavity is formed in the convex part, so that air flow is facilitated for heat dissipation.

Description

Technical Field

[0001] The utility model relates to the technical field of motor outer covers, in particular to a motor outer cover with strong heat dissipation. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The main function of a motor is to generate driving torque. As a power source for electrical appliances, vehicles and various other machines, it is widely used in industry, agriculture, national defense, transportation, home appliances and other fields, and plays an important role in the national economy and social development.

[0003] Motors, especially high-power motors, often generate a lot of heat when working. If the heat cannot be dissipated in time, the motor will burn out or the motor will be damaged faster. The motor housing is one of the basic components of the motor. In practical applications, the heat generated by the motor cannot be dissipated in time due to the sealed setting of the housing, which affects the normal operation of the motor. Utility Model Content

[0004] The utility model provides a motor cover with strong heat dissipation performance to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor cover with strong heat dissipation, comprising a motor housing, a support seat is installed on one side of the motor housing, an annular heat sink is sleeved on the outer wall of the motor housing, the annular heat sink is arranged along the length direction of the motor housing, and the annular heat sink has a plurality of recessed portions and a plurality of raised portions, the bottom end of the recessed portion is connected to the motor housing, the interior of the raised portion is hollow to form a cavity, and the two ends of the raised portion are open so that the cavity inside the raised portion is connected to the outside world to facilitate air flow.

[0006] Furthermore, a first heat dissipation groove is formed on the inner wall of the recessed portion.

[0007] Furthermore, a second heat dissipation groove is provided on the inner wall of the cavity.

[0008] Furthermore, a first heat sink is fixedly connected to the inner wall of the recessed portion.

[0009] Furthermore, a second heat sink is fixedly connected to the inner wall of the cavity.

[0010] Furthermore, one end of the second heat sink is connected to the motor housing.

[0011] Furthermore, a connecting block connecting the motor housing and the inner wall of the cavity is fixedly provided on the inner wall of the cavity, and a cooling channel is provided on the connecting block.

[0012] Compared with the prior art, the utility model provides a motor cover with strong heat dissipation, which has the following beneficial effects: the motor cover with strong heat dissipation, the recessed portion and the raised portion on the annular heat sink make the annular heat sink as a whole wavy, the recessed portion is connected to the motor housing, so that the motor housing can transfer heat to the annular heat sink for heat dissipation, and a cavity is formed inside the raised portion, which is conducive to air flow for heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the planar structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the annular heat sink of the utility model with a heat dissipation slot;

[0016] Figure 4 It is a schematic diagram of the structure of the annular heat sink of the utility model provided with a heat sink;

[0017] Figure 5 It is a structural schematic diagram of a cooling channel arranged on the annular heat sink of the utility model.

[0018] In the figure: 1. motor housing; 2. support base; 3. annular heat sink; 4. recessed portion; 5. raised portion; 6. cavity; 7. first heat dissipation slot; 8. second heat dissipation slot; 9. first heat sink; 10. second heat sink; 11. connecting block; 12. cooling channel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5The utility model discloses a motor cover with strong heat dissipation, including a motor housing 1, a support seat 2 is installed on one side of the motor housing 1, an annular heat sink 3 is sleeved on the outer wall of the motor housing 1, and the annular heat sink 3 is arranged along the length direction of the motor housing 1. The annular heat sink 3 has a plurality of recessed parts 4 and a plurality of raised parts 5. The bottom end of the recessed part 4 is connected to the motor housing 1, and the inner hollow of the raised part 5 forms a cavity 6. The two ends of the raised part 5 are open, so that the cavity 6 inside the raised part 5 is connected to the outside world for air flow. The recessed parts 4 and the raised parts 5 on the annular heat sink 3 make the annular heat sink 3 wavy as a whole. The recessed part 4 is connected to the motor housing 1, so that the motor housing 1 can transfer heat to the annular heat sink 3 for heat dissipation. The inner part of the raised part 5 forms a cavity 6, which is conducive to air flow for heat dissipation.

[0021] The concave portion 4 and the convex portion 5 on the annular heat sink 3 make the annular heat sink 3 present a wave shape.

[0022] Specifically, a first heat dissipation groove 7 is formed on the inner wall of the recessed portion 4 .

[0023] In this embodiment, the first heat dissipation groove 7 can reduce the weight of the annular heat dissipation element 3 and also assist in heat dissipation.

[0024] Specifically, a second heat dissipation groove 8 is formed on the inner wall of the cavity 6 .

[0025] In this embodiment, the provision of the second heat dissipation groove 8 can reduce the weight of the annular heat dissipation element 3 and increase the heat dissipation area of ​​the protrusion 5, thereby facilitating heat dissipation.

[0026] Specifically, a first heat sink 9 is fixedly connected to the inner wall of the recessed portion 4 .

[0027] In this embodiment, the provision of the first heat sink 9 can increase the area of ​​the recessed portion 4 in contact with the air, which is beneficial for heat dissipation.

[0028] Specifically, a second heat sink 10 is fixedly connected to the inner wall of the cavity 6 , and one end of the second heat sink 10 is connected to the motor housing 1 .

[0029] In this embodiment, the second heat sink 10 can increase the area of ​​the inner cavity of the protrusion 5 in contact with the air, which is beneficial to heat dissipation.

[0030] Specifically, a connection block 11 connecting the motor housing 1 and the inner wall of the cavity 6 is fixedly provided on the inner wall of the cavity 6 , and a cooling channel 12 is opened on the connection block 11 .

[0031] In the present embodiment, two cooling channels 12 are provided on the annular heat sink 3, and one end of the two cooling channels 12 are connected by a connecting pipe. A cooling box storing coolant and a circulating pump whose water inlet is connected to the cooling box can be provided on the support seat 2 or the motor housing 1. The water outlet of the circulating pump is connected to one cooling channel 12 through a pipe, and the cooling box is connected to the other cooling channel 12 through a pipe. Under the action of the circulating pump, the coolant can flow along the two cooling channels 12 so as to dissipate the heat of the motor housing 1, so that the motor housing 1 has good heat dissipation performance.

[0032] To sum up, the motor cover has strong heat dissipation performance, and the recessed portion 4 and raised portion 5 on the annular heat sink 3 make the annular heat sink 3 wavy as a whole. The recessed portion 4 is connected to the motor housing 1, which enables the motor housing 1 to transfer heat to the annular heat sink 3 for heat dissipation. A cavity 6 is formed inside the raised portion 5, which is conducive to air flow for heat dissipation.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor housing with strong heat dissipation performance, comprising a motor housing (1), characterized in that: A support seat (2) is installed on one side of the motor housing (1); an annular heat sink (3) is sleeved on the outer wall of the motor housing (1); the annular heat sink (3) is arranged along the length direction of the motor housing (1); the annular heat sink (3) has a plurality of recessed portions (4) and a plurality of raised portions (5); the bottom end of the recessed portion (4) is connected to the motor housing (1); the interior of the raised portion (5) is hollow to form a cavity (6); both ends of the raised portion (5) are open, so that the cavity (6) inside the raised portion (5) is connected to the outside to facilitate the flow of air.

2. The motor cover with strong heat dissipation according to claim 1, characterized in that: A first heat dissipation groove (7) is provided on the inner wall of the recessed portion (4).

3. The motor cover with strong heat dissipation according to claim 1, characterized in that: A second heat dissipation groove (8) is provided on the inner wall of the cavity (6).

4. The motor cover with strong heat dissipation according to claim 1, characterized in that: A first heat sink (9) is fixedly connected to the inner wall of the recessed portion (4).

5. The motor cover with strong heat dissipation according to claim 1, characterized in that: A second heat sink (10) is fixedly connected to the inner wall of the cavity (6).

6. The motor cover with strong heat dissipation according to claim 5, characterized in that: One end of the second heat sink (10) is connected to the motor housing (1).

7. The motor cover with strong heat dissipation according to claim 1, characterized in that: A connecting block (11) connecting the motor housing (1) and the inner wall of the cavity (6) is fixedly provided on the inner wall of the cavity (6), and a cooling channel (12) is provided on the connecting block (11).

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