Motor end cover for heat dissipation

Abstract

The utility model provides a motor end cover used for heat radiation, comprising a cover body which is provided with a rotating hole for the tail part of a motor shaft to extend out; the fixed cylinder and the motor shaft are coaxially arranged, and the fixed cylinder is fixedly arranged on the cover body; the multiple heat dissipation pieces are arranged on the cover body, and each heat dissipation piece is provided with a heat dissipation channel communicating with the cylinder cavity of the fixed cylinder; and the fan blades are located in the cylinder cavity of the fixed cylinder, are coaxially connected with the tail end of the motor shaft and are used for taking away hot air in the heat dissipation pieces for heat dissipation when the fan blades rotate along with the motor shaft. The motor end cover for heat radiation is provided with the cover body, and the cover body is provided with the rotating hole for the tail part of the motor shaft to extend out; the fixing cylinder which is coaxial with the motor shaft is arranged, and the fixing cylinder can be communicated with a plurality of heat dissipation pieces which are annularly arranged on the cover body at intervals around the axis of the fixing cylinder; the fan blades are arranged in the fixed cylinder and can be coaxially connected with the tail end of the motor shaft, and hot air in the heat dissipation pieces can be taken away for heat dissipation when the fan blades rotate along with the motor shaft.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor heat dissipation, and in particular relates to a motor end cover for heat dissipation. Background Art

[0002] The motor end cover is an important component of the motor, mainly playing a protective and supporting role. The motor end cover is divided into a front cover and a rear cover. The rear cover is located at the end of the motor and is connected to the motor housing. It mainly plays the role of protecting the internal structure of the motor, supporting the bearings and dissipating heat.

[0003] In the prior art, the rear end cover of the motor is usually provided with heat sinks, which can increase the heat dissipation area and promote air flow, thereby more effectively dissipating the heat generated by the generator. However, the heat dissipation efficiency of the heat sink is low when the temperature is high, which will damage the service life of the motor, and has poor adaptability and practicality. Utility Model Content

[0004] The embodiment of the utility model provides a motor end cover for heat dissipation, aiming to solve the problem of low heat dissipation efficiency of the rear end cover of the motor at high temperature in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a motor end cover for heat dissipation, comprising:

[0006] A cover body is detachably connected to the motor housing, and the cover body has a rotating hole through which the tail of the power supply shaft extends;

[0007] A fixed cylinder is coaxially arranged with the motor shaft, and one end of the fixed cylinder is fixedly connected to the cover body;

[0008] A plurality of heat sinks are provided, each of which is arranged on the cover body at annular intervals around the axis of the fixed cylinder, each of which has a through heat dissipation channel, one end of which is connected to the cylinder cavity of the fixed cylinder;

[0009] The fan blades are located in the barrel cavity of the fixed barrel and are coaxially connected to the tail end of the motor shaft. The fan blades are used to take away the hot air in each heat sink for heat dissipation when the fan blades rotate with the motor shaft.

[0010] In a possible implementation, each of the heat sinks is a special-shaped tube.

[0011] In a possible implementation, each of the special-shaped tubes is provided with a curvature adapted to the curvature of the cover body, so as to make the side wall of the special-shaped tube contact with the outer wall of the cover body, so as to increase the heat dissipation area of ​​the cover body.

[0012] In a possible implementation, the cross section of each of the special-shaped tubes is a rectangular structure.

[0013] In a possible implementation, a cover plate is provided at the other end of the fixing tube, and a vent hole for air to pass through is provided on the cover plate.

[0014] In a possible implementation manner, each of the special-shaped tubes is made of metal.

[0015] In the present implementation, compared with the prior art, a cover body is provided, and a rotating hole extending from the tail end of the power supply motor shaft is provided on the cover body; a fixing cylinder coaxially arranged with the motor shaft is provided on the cover body, which can be connected with a plurality of heat sinks arranged on the cover body at annular intervals around the axis of the fixing cylinder; a fan blade is provided in the fixing cylinder, which can be coaxially connected with the tail end of the motor shaft, and can take away the hot air in each heat sink for heat dissipation when the fan blade rotates with the motor shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a motor end cover for heat dissipation provided in an embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the internal structure of a motor end cover for heat dissipation provided in an embodiment of the utility model;

[0018] Figure 3 A schematic side view of the structure of a motor end cover for heat dissipation provided in an embodiment of the utility model;

[0019] Description of reference numerals:

[0020] 10. Cover body; 20. Fixing tube; 21. Cover plate; 30. Heat sink; 40. Fan blade. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] Please also read Figures 1 to 3 The motor end cover for heat dissipation provided by the utility model is now described. The motor end cover for heat dissipation includes: a cover body 10, a fixing tube 20, a heat dissipation member 30 and a fan blade 40.

[0023] The cover body 10 is detachably connected to the motor housing, and has a rotating hole for allowing the tail of the motor shaft to extend out.

[0024] The fixing tube 20 is coaxially arranged with the motor shaft, and one end of the fixing tube 20 is fixedly connected with the cover body 10 .

[0025] There are multiple heat sinks 30 , each of which is arranged on the cover body 10 at annular intervals around the axis of the fixed cylinder 20 . Each heat sink 30 has a through heat dissipation channel, one end of which is connected to the cylinder cavity of the fixed cylinder 20 .

[0026] The fan blades 40 are located in the barrel cavity of the fixed barrel 20 and are coaxially connected to the rear end of the motor shaft. When the fan blades 40 rotate with the motor shaft, they are used to take away the hot air in each heat sink 30 for heat dissipation.

[0027] Compared with the prior art, the motor end cover for heat dissipation provided in this embodiment is provided with a cover body 10, and a rotation hole extending from the tail of the motor shaft is provided on the cover body 10. A fixing cylinder 20 coaxially arranged with the motor shaft is provided on the cover body 10, which can be connected with a plurality of heat dissipation members 30 arranged on the cover body 10 at annular intervals around the axis of the fixing cylinder 20. A fan blade 40 is provided in the fixing cylinder 20, which can be coaxially connected with the tail end of the motor shaft, and can take away the hot air in each heat dissipation member 30 for heat dissipation when the fan blade 40 rotates with the motor shaft.

[0028] In some embodiments, the heat sink 30 may be formed of 1 to Figure 3 See 1 to Figure 3 Each heat sink 30 is a special-shaped tube.

[0029] The special-shaped tube can be understood as a special-shaped pipeline. Each special-shaped tube is arranged along the radial direction of the fixed tube 20, and can also be coiled on the cover body 10 in a serpentine shape.

[0030] In some embodiments, the above-mentioned special-shaped tube can be used as 1 to Figure 3 See 1 to Figure 3 Each special-shaped tube is provided with a curvature adapted to the curvature of the cover body 10 , so as to make the side wall of the special-shaped tube contact with the outer wall of the cover body 10 , so as to increase the heat dissipation area of ​​the cover body 10 .

[0031] The curvature of the special-shaped tube can make the side wall of the special-shaped tube contact with the outer wall of the cover body 10, so as to increase the heat dissipation area of ​​the cover body 10, thereby obtaining a better heat dissipation effect.

[0032] In some embodiments, the above-mentioned special-shaped tube can be used as 1 to Figure 3 See 1 to Figure 3 , the cross section of each special-shaped tube is a rectangular structure.

[0033] The cross section of the special-shaped tube may also be a trapezoidal structure or a circular structure, and the lower bottom of the trapezoidal structure abuts against the surface of the cover body 10 .

[0034] In some embodiments, the fixing tube 20 may be Figure 1 , Figure 3 See the structure shown. Figure 1 , Figure 3 A cover plate 21 is provided at the other end of the fixing tube 20, and a vent hole for air to pass through is provided on the cover plate 21.

[0035] The cover plate 21 can prevent the fan blades 40 from falling off, and has high safety and good practicality.

[0036] In some embodiments, the above-mentioned special-shaped tube can be used as follows Figures 1 to 3 See the structure shown. Figures 1 to 3 , each special-shaped tube is made of metal.

[0037] The metal material can help the cover 10 to dissipate heat, and the heat dissipation effect is good.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor end cover for heat dissipation, characterized in that: include: A cover body is detachably connected to the motor housing, and the cover body has a rotating hole through which the tail of the power supply shaft extends; A fixed cylinder is coaxially arranged with the motor shaft, and one end of the fixed cylinder is fixedly connected to the cover body; A plurality of heat sinks are provided, each of which is arranged on the cover body at annular intervals around the axis of the fixed cylinder, each of which has a through heat dissipation channel, one end of which is connected to the cylinder cavity of the fixed cylinder; The fan blades are located in the barrel cavity of the fixed barrel and are coaxially connected to the tail end of the motor shaft. The fan blades are used to take away the hot air in each heat sink for heat dissipation when the fan blades rotate with the motor shaft.

2. The motor end cover for heat dissipation according to claim 1, characterized in that: Each of the heat sinks is a special-shaped tube.

3. The motor end cover for heat dissipation according to claim 2, characterized in that: Each of the special-shaped tubes is provided with a curvature adapted to the curvature of the cover body, so as to make the side wall of the special-shaped tube contact with the outer wall of the cover body, so as to increase the heat dissipation area of ​​the cover body.

4. The motor end cover for heat dissipation according to claim 2, characterized in that: The cross section of each of the special-shaped tubes is a rectangular structure.

5. The motor end cover for heat dissipation according to claim 2, characterized in that: A cover plate is provided at the other end of the fixing tube, and a vent hole for air to pass through is provided on the cover plate.

6. The motor end cover for heat dissipation according to claim 2, characterized in that: Each of the special-shaped tubes is made of metal.

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