Water-cooled motor structure
By setting the water-cooled motor structure of the inlet and outlet pipe on the motor housing, the problem of excessive temperature inside the motor is solved, and the effect of rapid heat dissipation and extended component life is achieved.
Patent Information
- Application Number
- CN202422370693.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The internal temperature of existing motors is too high after long-term use, resulting in a shortening of component life, and air-cooled motors can only meet the needs of low-power cooling.
A water-cooled motor structure is designed. By installing the liquid inlet and outlet pipe on the motor housing, the cooling liquid is circulated for rapid heat dissipation, and combining stainless steel pipes and aluminum alloy rear end covers to achieve circulating cooling of the cooling liquid.
It realizes rapid heat dissipation of the motor, avoids excessive internal temperature, and extends the service life of the motor components.
Smart Images

Figure CN223181960U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of motors, in particular to a water-cooled motor structure. Background Art
[0002] A motor is usually composed of a stator and a rotor and is a driving component, which is relatively common in daily life.
[0003] In the prior art, such as the utility model with the publication number of CN219107251 U, this patent discloses a motor. The patent adopts a stator and a rotor. The stator includes a housing, a stator core arranged in the housing, and a stator winding wound around the stator core. The motor further includes a busbar unit located in the housing and on the axial side of the stator core. The busbar unit includes: an insulating holder; and a plurality of busbars supported by the insulating holder. The busbar includes a first end, a second end, and a main body connecting the first end and the second end. Among them, the first end of the busbar protrudes radially outward from the insulating holder, the second end of the busbar protrudes axially away from the stator core from the insulating holder, and the circumferential two sides of the first end of the busbar respectively have a first operation space and a second operation space, so as to realize the automatic electrical connection between the first end of the busbar and the outgoing line end of the stator winding, and solve the problem that the connection between the outgoing line end of the stator winding and the busbar usually requires manual connection by an operator and the production efficiency is low.
[0004] The inventor found in daily use that during the use of the motor, in the prior art, the surface of the motor is relatively smooth, resulting in the accumulation of heat inside the motor after long-term use, leading to too high a temperature inside the motor, and further easily shortening the service life of the internal components of the motor. However, the existing air-cooled motors can only meet the rapid cooling of low-power motors.
[0005] Therefore, it is necessary to provide a new water-cooled motor structure to solve the above technical problems. Summary of the Utility Model
[0006] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a water-cooled motor structure.
[0007] To solve the above technical problems, the present utility model provides a water-cooled motor structure, including: a motor housing, a reduction gearbox is installed at one end of the motor housing, a rear end cover is installed at the end of the motor housing away from the reduction gearbox, a cover plate is installed on the side of the rear end cover away from the motor housing, an air-cooled belt reducer is installed on the side of the reduction gearbox away from the motor housing, two drain plugs are installed on the side of the air-cooled belt reducer away from the reduction gearbox, a reducer shaft is installed inside the air-cooled belt reducer, an exhaust valve is installed at the upper end of the air-cooled belt reducer, a gland is installed on one side of the rear end cover, a low-voltage connector plug is installed at the end of the gland away from the rear end cover, three glands are installed on the upper surface of the rear end cover, three-phase wires are installed at the upper ends of the glands, a plurality of heat conducting fins are installed on the surface of the motor housing, a liquid inlet pipe is installed on the upper surface of the motor housing, a liquid outlet pipe is installed on one side of the motor housing, and a oil seal is installed between the air-cooled belt reducer and the reducer shaft.
[0008] Preferably, the inner diameter and outer diameter of the liquid outlet pipe and the liquid inlet pipe are exactly the same.
[0009] Preferably, both the liquid outlet pipe and the liquid inlet pipe are made of stainless steel.
[0010] Preferably, the motor housing is made of stainless steel.
[0011] Preferably, the rear end cover is made of aluminum alloy.
[0012] Compared with the related art, a water-cooled motor structure provided by the present utility model has the following beneficial effects:
[0013] The present utility model provides a water-cooled motor structure. By setting the overall structure, it is possible to conveniently dissipate heat from the motor quickly, avoiding the situation in the prior art where the surface of the motor is relatively smooth, resulting in the accumulation of heat inside the motor after long-term use and causing the internal temperature of the motor to be too high. In this device, a housing is installed on the surface of the motor, and a liquid inlet pipe and a liquid outlet pipe are installed on the surface of the housing. Coolant is injected into the interior of the motor housing through the liquid inlet pipe, and then the coolant is circulated out through the liquid outlet pipe, thereby accelerating the cooling speed of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of a water-cooled motor structure provided by the present utility model;
[0015] Figure 2 is Figure 1 the schematic rear view structure diagram shown;
[0016] Figure 3 is Figure 1 the schematic side view structure diagram shown.
[0017] Reference numerals in the figure: 1, motor housing; 2, reduction gearbox housing; 3, rear end cover; 4, three-phase wire; 5, gland; 6, drain plug; 7, reduction gearbox shaft; 8, exhaust valve; 9, gland; 10, oil seal; 11, low-voltage connector plug; 12, air-cooled reduction gearbox; 13, cover plate; 14, liquid inlet pipe; 15, liquid outlet pipe. Detailed implementation mode
[0018] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0019] The following describes the specific implementation of the present utility model in detail with reference to specific embodiments.
[0020] Please refer to Figures 1 to 3 , a water-cooled motor structure provided by an embodiment of the present utility model includes: a motor housing 1, a reduction gearbox housing 2 is installed at one end of the motor housing 1, a rear end cover 3 is installed at the end of the motor housing 1 away from the reduction gearbox housing 2, a cover plate 13 is installed on the side of the rear end cover 3 away from the motor housing 1, an air-cooled reduction gearbox 12 is installed on the side of the reduction gearbox housing 2 away from the motor housing 1, two drain plugs 6 are installed on the side of the air-cooled reduction gearbox 12 away from the reduction gearbox housing 2, a reduction gearbox shaft 7 is installed inside the air-cooled reduction gearbox 12, an exhaust valve 8 is installed at the upper end of the air-cooled reduction gearbox 12, a gland 9 is installed on one side of the rear end cover 3, a low-voltage connector plug 11 is installed at one end of the gland 9 away from the rear end cover 3, three glands 5 are installed on the upper surface of the rear end cover 3, a three-phase wire 4 is installed at the upper end of the gland 5, a plurality of heat-conducting fins are installed on the surface of the motor housing 1, a liquid inlet pipe 14 is installed on the upper surface of the motor housing 1, a liquid outlet pipe 15 is installed on one side of the motor housing 1, an oil seal 10 is installed between the air-cooled reduction gearbox 12 and the reduction gearbox shaft 7, the inner diameter and outer diameter of the liquid outlet pipe 15 and the liquid inlet pipe 14 are exactly the same, the liquid outlet pipe 15 and the liquid inlet pipe 14 are both made of stainless steel, the motor housing 1 is made of stainless steel, and the rear end cover 3 is made of aluminum alloy;
[0021] The working principle of a water-cooled motor structure provided by the present utility model is as follows: When the motor needs to operate, connect the three-phase wire 4 to three-phase electricity for power-on. Connect the low-voltage plug 11 to low-voltage current and then power on to drive the motor to operate. The operation of the motor drives the reduction gearbox 2 to operate, and the reduction gearbox 2 drives the accelerator shaft to operate. Among them, the oil seal 10 can increase the sealing performance of the air-cooled belt reducer 12, and the exhaust valve 8 can discharge the internal gas. Then, coolant is injected into the interior of the motor housing 1 through the liquid inlet pipe 14. Then, the high-speed rotation of the rotor drives the coolant to rotate inside the motor housing 1, and then the coolant cools the motor. Then, the coolant circulates and cools outside the motor housing 1 through the liquid outlet pipe 15.
[0022] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated herein.
[0023] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. A water-cooled motor structure, characterized in that, Comprising: A motor housing (1), one end of the motor housing (1) is equipped with a reduction gearbox (2), the end of the motor housing (1) away from the reduction gearbox (2) is equipped with a rear end cover (3), a cover plate (13) is installed on the side of the rear end cover (3) away from the motor housing (1), an air-cooled belt reducer (12) is installed on the side of the reduction gearbox (2) away from the motor housing (1), two drain plugs (6) are installed on the side of the air-cooled belt reducer (12) away from the reduction gearbox (2), a reducer shaft (7) is installed inside the air-cooled belt reducer (12), an exhaust valve (8) is installed on the upper end of the air-cooled belt reducer (12), a gland (9) is installed on one side of the rear end cover (3), a low-voltage connector plug (11) is installed at the end of the gland (9) away from the rear end cover (3), three glands (5) are installed on the upper surface of the rear end cover (3), a three-phase wire (4) is installed on the upper end of the gland (5), a plurality of heat-conducting fins are installed on the surface of the motor housing (1), a liquid inlet pipe (14) is installed on the upper surface of the motor housing (1), a liquid outlet pipe (15) is installed on one side of the motor housing (1), and a oil seal (10) is installed between the air-cooled belt reducer (12) and the reducer shaft (7).
2. The water-cooled motor structure according to claim 1, characterized in that, The inner diameter and outer diameter of the liquid outlet pipe (15) and the liquid inlet pipe (14) are exactly the same.
3. A water-cooled motor structure according to claim 1, characterized in that, Both the liquid outlet pipe (15) and the liquid inlet pipe (14) are made of stainless steel.
4. A water-cooled motor structure according to claim 1, characterized in that, The motor housing (1) is made of stainless steel.
5. A water-cooled motor structure according to claim 1, characterized in that, The rear end cover (3) is made of aluminum alloy.
Citation Information
Patent Citations
Motor
CN219107251U