Cooling structure of gearbox body of new energy automobile
By introducing swing mechanism and circulating cooling structure into the die-casting molding device of the transmission of new energy vehicles, the problem of low high-temperature cooling efficiency of the transmission is solved, efficient cooling and recycling of water resources are achieved, and processing efficiency is improved.
Patent Information
- Application Number
- CN202422265023.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The temperature after die-casting of existing new energy vehicles is high, and the natural cooling efficiency is low, which affects the processing efficiency.
A cooling structure including a lower mold and a swing mechanism is designed, and the electric nozzle is driven by a motor to swing forward and backward through a motor, and the transmission is uniformly sprayed with water mist, and the water reuse is realized through the circulation mechanism.
It improves the cooling speed of the transmission, improves processing efficiency, and saves water resources.
Smart Images

Figure CN223198035U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy vehicle gearboxes, in particular to a cooling structure for a gearbox case of a new energy vehicle. Background Art
[0002] New energy vehicle gearboxes are an important part of the vehicle's powertrain system. With the rapid development of the new energy vehicle industry, their technology is also constantly improving and innovating.
[0003] According to a Chinese patent with the publication number "CN214561697U", a sheet die-casting forming device is disclosed, comprising an operating base, a top side of the operating base is fixedly connected to a connecting plate, the top of the connecting plate is fixedly connected to an operating top plate, the bottom of the operating top plate is movably connected to an extrusion plate, the top wall of the operating base is provided with an extrusion groove, the extrusion plate is located directly above the extrusion groove, a connecting plate is fixedly connected between the operating base and the operating top plate, the middle of the connecting plate is provided with an adjusting slide groove, and one side of the connecting plate is movably connected to a material input box at a position close to the adjusting slide groove; the functionality of the forming device is improved by the arrangement of the material input box and the driving gear, the material input box can be moved in the adjusting slide groove by the driving gear, so that the material input box can be moved automatically, so that the material input box can move at a uniform speed according to demand, so that the material can fall into the extrusion groove through the material conveying trough. This patent can also be used for die-casting of new energy vehicle gearboxes.
[0004] However, although the device can automatically transport materials, it does not have a structure to assist in cooling the workpiece. The temperature of the new energy vehicle gearbox after die-casting is very high. If it relies solely on natural cooling, it will take a long time, which will lead to low processing efficiency. Therefore, a new energy vehicle gearbox case cooling structure is proposed to solve the above-mentioned problems. Utility Model Content
[0005] The technical problem to be solved by the present invention is to provide a cooling structure for a gearbox case of a new energy vehicle in view of the deficiencies in the above-mentioned prior art.
[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:
[0007] The cooling structure of the gearbox case of a new energy vehicle comprises a lower mold, and a swing mechanism is provided on the left side of the lower mold;
[0008] The swing mechanism includes a first bracket, a water pipe, an electric nozzle, a motor, a transmission shaft, a turntable, a movable rod, a vertical axis, and a horizontal axis;
[0009] The lower right corner of the first bracket is fixedly connected to the left outer wall of the lower mold. The upper and lower ends of the water pipe rotate through the upper and lower outer walls of the first bracket via bearings. The electric nozzle is fixedly connected to the middle of the water pipe. The motor is fixedly connected to the left outer wall of the first bracket. The left end of the transmission shaft rotates through the left side of the first bracket via a bearing and is fixedly connected to the right output end of the motor. The turntable is fixedly connected to the right end of the transmission shaft. The first bracket provides support for the motor.
[0010] Preferably, there are two movable rods, the right ends of the two movable rods are fixedly connected to the left side of the water pipe, and the upper and lower ends of the vertical axis are fixedly connected to the two movable rods respectively. The movable rods are provided to provide support force for the vertical axis.
[0011] Preferably, the middle portion of the horizontal axis rotates through the turntable via a linear bearing, and the right end of the horizontal axis is rotatably connected to the vertical axis via a bearing.
[0012] Preferably, the bottom of the lower mold is fixedly connected to a water tank, and a circulation mechanism is provided on the top of the water tank. The circulation mechanism includes a water pump, which is fixedly connected to the inside of the water tank. The top water outlet of the water pump is fixedly connected to the bottom end of a hose, and the top end of the hose is fixedly connected to the bottom end of a water pipe. The water in the water tank is supplied to the electric nozzle through the hose and the water pipe by the water pump.
[0013] Preferably, a second bracket is fixedly connected to the right side of the water tank, and a roof is fixedly connected to the bottom of the second bracket. The roof is arranged on the top of the lower mold, and the roof is funnel-shaped. A water storage tank is formed around the bottom of the roof, and a return pipe is fixedly connected to the bottom of the water storage tank. The return pipe is arranged on the top of the water tank. The second bracket provides support for the roof.
[0014] Preferably, one side of the lower mold is fixedly connected to an electric telescopic rod, and the rear end of the electric telescopic rod is fixedly connected to a top cover via a connecting block.
[0015] The utility model adopts the above technical solution, which can bring the following beneficial effects:
[0016] 1. By turning on the motor to drive the transmission shaft to rotate, the rotation of the transmission shaft drives the electric nozzle to swing back and forth, and evenly spray water mist on the new energy vehicle gearbox die-cast on the lower mold, thereby increasing its cooling speed and further improving the processing efficiency of its new energy vehicle gearbox.
[0017] 2. When water mist is sprayed onto the high-temperature new energy transmission case, it will vaporize to produce a large amount of water vapor and adhere to the top inner wall of the ceiling. Then, these water vapors will condense into water droplets after cooling, and flow back into the water tank through the inclined inner wall of the ceiling, the water storage tank, and the return pipe, forming a water recycling and saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the back structure of the utility model;
[0020] Figure 3 This is a schematic diagram of the swing mechanism area in the utility model;
[0021] Figure 4 This is a side sectional view of the ceiling area of the present invention.
[0022] In the figure: 1. Lower mold; 101. Electric telescopic rod; 102. Top cover; 2. Swing mechanism; 21. First bracket; 22. Water pipe; 23. Electric nozzle; 24. Motor; 25. Drive shaft; 26. Turntable; 27. Movable rod; 28. Vertical axis; 29. Horizontal axis; 3. Water tank; 4. Circulation mechanism; 41. Water pump; 42. Hose; 43. Second bracket; 44. Ceiling; 45. Water tank; 46. Return pipe. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.
[0026] 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 the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means two or more, unless otherwise specifically defined.
[0027] See also Figure 1-4 , one embodiment of the utility model is: a new energy vehicle gearbox case cooling structure, comprising a lower mold 1, a swing mechanism 2 is provided on the left side of the lower mold 1;
[0028] The swing mechanism 2 includes a first bracket 21, a water pipe 22, an electric nozzle 23, a motor 24, a transmission shaft 25, a turntable 26, a movable rod 27, a vertical shaft 28, and a horizontal shaft 29;
[0029] The lower right corner of the first bracket 21 is fixedly connected to the left outer wall of the lower mold 1, the upper and lower ends of the water pipe 22 rotate through the upper and lower outer walls of the first bracket 21 through bearings, the electric nozzle 23 is fixedly connected to the middle of the water pipe 22, the motor 24 is fixedly connected to the left outer wall of the first bracket 21, the left end of the transmission shaft 25 rotates through the left side of the first bracket 21 through a bearing, and is fixedly connected to the right output end of the motor 24, and the turntable 26 is fixedly connected to the right end of the transmission shaft 25.
[0030] The first bracket 21 is provided to provide support force for the motor 24 .
[0031] There are two movable rods 27 , the right ends of the two movable rods 27 are fixedly connected to the left side of the water pipe 22 , and the upper and lower ends of the vertical shaft 28 are fixedly connected to the two movable rods 27 respectively.
[0032] The movable rod 27 is provided to provide support force to the vertical shaft 28 .
[0033] The middle portion of the horizontal shaft 29 rotatably passes through the turntable 26 via a linear bearing, and the right end of the horizontal shaft 29 is rotatably connected to the vertical shaft 28 via a bearing.
[0034] Working principle: When in use, the motor 24 is turned on to drive the transmission shaft 25 to rotate, and the rotation of the transmission shaft 25 drives the turntable 26 to rotate. The rotation of the turntable 26 drives the vertical shaft 28 to swing back and forth through the horizontal shaft 29. The back and forth swing of the vertical shaft 28 drives the water pipe 22 to rotate repeatedly through the movable rod 27. The repeated rotation of the water pipe 22 drives the electric nozzle 23 to swing back and forth and evenly spray water mist on the new energy vehicle gearbox die-cast on the lower mold 1, thereby increasing its cooling speed and thereby improving the processing efficiency of the new energy vehicle gearbox.
[0035] See also Figure 1-4 On the basis of the above embodiment, in another embodiment of the present invention, the bottom of the lower mold 1 is fixedly connected to a water tank 3, and a circulation mechanism 4 is provided on the top of the water tank 3. The circulation mechanism 4 includes a water pump 41, which is fixedly connected to the inside of the water tank 3. The top water outlet end of the water pump 41 is fixedly connected to the bottom end of the hose 42, and the top end of the hose 42 is fixedly connected to the bottom end of the water pipe 22.
[0036] The water in the water tank 3 is supplied to the electric nozzle 23 through the hose 42 and the water pipe 22 by the water pump 41.
[0037] A second bracket 43 is fixedly connected to the right side of the water tank 3, and a ceiling 44 is fixedly connected to the bottom of the second bracket 43. The ceiling 44 is arranged on the top of the lower mold 1. The shape of the ceiling 44 is funnel-shaped. A water storage tank 45 is opened around the bottom of the ceiling 44. The bottom of the water storage tank 45 is fixedly connected to a return pipe 46, and the return pipe 46 is arranged on the top of the water tank 3.
[0038] The second bracket 43 provides support to the ceiling 44 .
[0039] Working principle: When water mist is sprayed onto the high-temperature new energy transmission case, it will vaporize to produce a large amount of water vapor and adhere to the top inner wall of the ceiling 44. Then, these water vapors will condense into water droplets after cooling, and flow back into the water tank 3 through the inclined inner wall of the ceiling 44, the water storage tank 45, and the return pipe 46, forming a water recycling process and saving water resources.
[0040] One side of the lower mold 1 is fixedly connected to an electric telescopic rod 101 , and the rear end of the electric telescopic rod 101 is fixedly connected to a top cover 102 via a connecting block.
[0041] This utility model provides a transmission case cooling structure for new energy vehicles. There are many methods and approaches to implement this technical solution. The above is only a preferred embodiment of the utility model. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the utility model, and such improvements and modifications should also be considered within the scope of protection of the utility model. Any components not specified in this embodiment may be implemented using existing technologies.
Claims
1. A new energy vehicle gearbox case cooling structure, comprising a lower mold (1), characterized in that: A swing mechanism (2) is provided on the left side of the lower mold (1); The swing mechanism (2) includes a first bracket (21), a water pipe (22), an electric nozzle (23), a motor (24), a transmission shaft (25), a turntable (26), a movable rod (27), a vertical shaft (28), and a horizontal shaft (29); The lower right corner of the first bracket (21) is fixedly connected to the left outer wall of the lower mold (1); the upper and lower ends of the water pipe (22) rotate through the upper and lower outer walls of the first bracket (21) respectively through bearings; the electric nozzle (23) is fixedly connected to the middle of the water pipe (22); the motor (24) is fixedly connected to the left outer wall of the first bracket (21); the left end of the transmission shaft (25) rotates through the left side of the first bracket (21) through a bearing and is fixedly connected to the right output end of the motor (24); and the turntable (26) is fixedly connected to the right end of the transmission shaft (25).
2. The new energy vehicle gearbox case cooling structure according to claim 1 is characterized in that: There are two movable rods (27), the right ends of the two movable rods (27) are fixedly connected to the left side of the water pipe (22), and the upper and lower ends of the vertical axis (28) are fixedly connected to the two movable rods (27) respectively.
3. The new energy vehicle gearbox case cooling structure according to claim 2 is characterized in that: The middle portion of the horizontal shaft (29) rotates through the turntable (26) via a linear bearing, and the right end of the horizontal shaft (29) is rotatably connected to the vertical shaft (28) via a bearing.
4. The new energy vehicle gearbox case cooling structure according to claim 3 is characterized in that: The bottom of the lower mold (1) is fixedly connected to a water tank (3), and a circulation mechanism (4) is provided on the top of the water tank (3). The circulation mechanism (4) includes a water pump (41), and the water pump (41) is fixedly connected to the inside of the water tank (3). The top water outlet end of the water pump (41) is fixedly connected to the bottom end of a hose (42), and the top end of the hose (42) is fixedly connected to the bottom end of the water pipe (22).
5. The new energy vehicle gearbox case cooling structure according to claim 4 is characterized in that: The right side of the water tank (3) is fixedly connected to a second bracket (43), the bottom of the second bracket (43) is fixedly connected to a roof (44), the roof (44) is arranged on the top of the lower mold (1), the shape of the roof (44) is funnel-shaped, and a water storage tank (45) is provided around the bottom of the roof (44), the bottom of the water storage tank (45) is fixedly connected to a return pipe (46), and the return pipe (46) is arranged on the top of the water tank (3).
6. The new energy vehicle gearbox case cooling structure according to claim 5 is characterized in that: One side of the lower mold (1) is fixedly connected to an electric telescopic rod (101), and the rear end of the electric telescopic rod (101) is fixedly connected to a top cover (102) via a connecting block.
Citation Information
Patent Citations
Plate die-casting forming device
CN214561697U