Heat dissipation assembly of shell of hub reduction gear of heavy-duty car

By designing a heavy-duty automobile wheel edge reducer housing heat dissipation component including limit rods, springs and heat dissipation fins, the problem of difficult disassembly and poor heat dissipation in the prior art is solved, and convenient disassembly and efficient heat dissipation is achieved.

CN222864075UActive Publication Date: 2025-05-13LINZHOU JIACHENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202422063881.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-05-13
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

The heat dissipation components of the existing heavy-duty vehicle wheel-side reducer shell are difficult to disassemble and assemble, the steps are complicated, the heat dissipation effect is poor, and the heat dissipation structure is inconvenient to position, which increases the installation difficulty.

Method used

A heat dissipation assembly including a lower housing, an upper housing, a cooling groove, a heat conducting plate, a heat dissipation fin, a mounting plate, a spring and a limiting rod are designed. Through the coordination of the limit rod and spring, convenient disassembly and assembly and positioning are achieved, and the heat dissipation effect is improved through the design of the thermal plate and the heat dissipation fins.

Benefits of technology

This design significantly simplifies the disassembly and assembly process of the heat dissipation assembly, improves the service life, facilitates the positioning and installation of the heat dissipation structure, and improves the heat dissipation effect of the reducer shell.

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Abstract

The utility model discloses a heat dissipation assembly of a shell of a hub reduction gear of a heavy-duty car, which comprises a lower shell, a fixing bolt is mounted on the outer side of the upper end of the lower shell, and an upper shell is connected to the outer side of the upper end of the fixing bolt; the cooling groove is formed in the outer side of the interior of the lower shell, and a water inlet pipe is fixedly mounted on the upper side of the left end of the lower shell; the heat conducting plate is fixedly mounted on the outer side of the interior of the cooling groove, heat dissipation fins are fixedly mounted on the outer side of the heat conducting plate, a dismounting structure is connected to the outer side of the upper end of the upper shell, a mounting plate is connected to the inner side of the lower end of the dismounting structure, a first spring is fixedly arranged on the outer side of the interior of the mounting plate, and a movable plate is connected to the lower side of the first spring; and a limiting rod is mounted on the outer side of the movable plate. According to the heat dissipation assembly of the hub reduction gear shell of the heavy-duty car, the heat dissipation assembly is convenient to disassemble and assemble, so that the service life of the reduction gear shell is prolonged, the heat dissipation assembly is convenient to position, and the heat dissipation effect on the reduction gear shell is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of heavy-duty vehicle wheel reducer housing, in particular to a heat dissipation component of a heavy-duty vehicle wheel reducer housing. Background Art

[0002] The heat dissipation component refers to a structure that transfers the heat energy generated by the vibration and movement of molecules inside solids, liquids or gases to the external environment through interfaces and other means to reduce the temperature of objects. The wheel reducer of a heavy-duty vehicle refers to the last stage of deceleration and torque increase device in the transmission system of a heavy-duty vehicle. The use of the wheel reducer can meet the conditions of the same total transmission ratio, so that the load of the transmission, drive shaft, main reducer, differential, half-axle and other components is reduced, the size is reduced, and the drive axle has a larger ground clearance. During the use of the heavy-duty vehicle wheel reducer shell, the heat dissipation component is needed to dissipate the heat inside the heavy-duty vehicle wheel reducer, thereby improving the use effect of the heavy-duty vehicle wheel reducer shell, such as:

[0003] Chinese patent authorization announcement number CN214331438U discloses a truck reducer housing with heat dissipation function, including a body, an automatic radiator and a mounting plate, the automatic radiator is fixedly mounted on the lower end of the mounting plate, the body is provided with an upper shell and a lower shell, the top of the upper shell is provided with a buffer mechanism, the buffer mechanism is fixedly connected with two mounting mechanisms, the mounting plate is connected with two mounting holes, the two mounting mechanisms are respectively inserted and connected in the two mounting holes, the buffer mechanism is in contact with the upper end of the mounting plate, the two mounting mechanisms are in contact with the lower end of the mounting plate, the buffer mechanism includes a cylindrical groove arranged on the top of the upper shell, the top of the cylindrical groove is fixedly connected with a plurality of first springs, and the free ends of the plurality of first springs are fixedly connected with the same cylindrical plate. The utility model can not only effectively buffer the automatic radiator, but also facilitate the staff to install and disassemble the automatic radiator.

[0004] The above-mentioned prior art solutions have the following defects:

[0005] 1. When disassembling and assembling the heat dissipation component, the upper and lower shells are separated before disassembling and assembling. During use, the disassembly and assembly is difficult and the steps are complicated;

[0006] 2. When the wheel reducer is cooled, the heat is dissipated through the automatic radiator, and the heat dissipation effect is not good;

[0007] 3. The positioning of the heat dissipation structure is not convenient enough, which increases the difficulty of installing the heat dissipation structure. Therefore, the utility model provides a heat dissipation component of the heavy-duty vehicle wheel reducer housing to solve the above-mentioned problems. Utility Model Content

[0008] The purpose of the utility model is to provide a heat dissipation component for the housing of a wheel-side reducer of a heavy-duty vehicle, so as to solve the problem proposed in the above-mentioned background technology that the heat dissipation component is disassembled and assembled by first separating the upper and lower shells and then disassembling and assembling. During use, its disassembly and assembly is difficult and the steps are relatively cumbersome. When the wheel-side reducer dissipates heat, the heat is dissipated through an automatic radiator, and its heat dissipation effect is not good. The positioning of the heat dissipation structure is not convenient enough, thereby increasing the difficulty of installing the heat dissipation structure.

[0009] To achieve the above object, the utility model provides the following technical solution: a heat dissipation assembly of a heavy-duty vehicle wheel reducer housing, comprising a lower housing, a fixing bolt is installed on the outer side of the upper end of the lower housing, and the upper end of the fixing bolt is connected to the outer side of the upper end of the upper housing;

[0010] Also includes:

[0011] A cooling tank is provided on the inner outer side of the lower shell, and a water inlet pipe is fixedly installed on the upper left side of the lower shell, and a water outlet pipe is provided on the lower left side of the lower shell;

[0012] A heat conducting plate, which is fixedly mounted on the inner and outer sides of the cooling tank, and a heat dissipating fin is fixedly mounted on the outer side of the heat conducting plate, a disassembly structure is connected to the outer side of the upper end of the upper shell, and a mounting plate is connected to the inner side of the lower end of the disassembly structure, a first spring is fixedly mounted on the inner and outer sides of the mounting plate, and a movable plate is connected to the lower side of the first spring, a limiting rod is mounted on the outer side of the movable plate, and a semiconductor refrigeration plate is connected to the inner side of the upper end of the movable plate, a second spring is mounted on the inner and outer sides of the upper shell, and a positioning rod is mounted on the inner side of the second spring;

[0013] By adopting the above technical solution, the limiting rod is threadedly connected to the outer side of the lower end of the mounting plate by rotating the limiting rod, thereby making the limiting rod threadedly connected to the outer side of the lower end of the movable plate, which is convenient for fixing the movable plate.

[0014] As a preferred technical solution of the utility model, the mounting plate and the upper shell are connected by a snap-fitting manner, and the vertical cross-section of the mounting plate is a "T"-shaped structure;

[0015] By adopting the above technical solution, the mounting plate is placed on the middle side of the upper end of the upper shell, so that the mounting plate is snap-fitted and mounted on the middle side of the upper end of the upper shell.

[0016] As a preferred technical solution of the utility model, the disassembly and assembly structure includes a movable block, which is installed on the outer side of the upper end of the upper shell, and the inner side of the upper end of the movable block is connected to a fixing rod;

[0017] By adopting the above technical solution, the disassembly structure is provided so that the disassembly structure can be separated at the outer side of the upper end of the installation plate.

[0018] As a preferred technical solution of the utility model, the movable block is connected to the upper shell in a rotating manner, and the vertical cross-section of the movable block is an "L"-shaped structure;

[0019] By adopting the above technical solution, the movable block is pulled outward to rotate on the outer side of the upper end of the upper shell.

[0020] As a preferred technical solution of the utility model, the movable block is connected to the fixed rod by means of threads, and the fixed rod is symmetrically distributed about the center line of the upper shell;

[0021] By adopting the above technical solution, the fixing rod is threadedly connected to the inner side of the upper end of the movable block by rotating the fixing rod, so that the fixing rod slides upward on the inner side of the upper end of the movable block, and then the fixing rod is separated from the outer side of the upper end of the mounting plate.

[0022] As a preferred technical solution of the utility model, the movable plate is connected to the mounting plate by a rotational manner, and the movable plate is connected to the semiconductor cooling sheet by a fitting manner;

[0023] By adopting the above technical solution, the movable plate is rotated on the inner and outer sides of the mounting plate so that the movable plate is rotated to contact the semiconductor cooling plate.

[0024] As a preferred technical solution of the utility model, the heat dissipation fins are connected to the upper shell in a snap-fit ​​manner, and the heat dissipation fins are evenly distributed on the outside of the heat conducting plate;

[0025] By adopting the above technical solution, the heat dissipation fins are evenly distributed on the outer side of the heat conducting plate, so that the heat inside the upper shell is conducted to the heat dissipation fins for discharge.

[0026] As a preferred technical solution of the utility model, the positioning rod is connected to the upper shell in a sliding manner, and the positioning rod is symmetrically distributed front and back about the center line of the mounting plate;

[0027] By adopting the above technical solution, the positioning rod is pushed to slide outward by the mounting plate, so that the positioning rod drives the second spring to be compressed, so that the mounting plate is snap-connected to the middle side of the upper shell, and then the second spring drives the positioning rod to be snap-connected to the outer side of the middle part of the mounting plate.

[0028] Compared with the prior art, the utility model has the following beneficial effects: the heat dissipation component of the heavy-duty vehicle wheel reducer housing is convenient for disassembly and assembly, thereby increasing the service life of the reducer housing, facilitating the positioning of the heat dissipation component, and having a good heat dissipation effect on the reducer housing;

[0029] 1. By placing the mounting plate on the inner middle side of the upper shell, the mounting plate pushes the positioning rod to slide outward, so that the positioning rod drives the second spring to be compressed, and then the mounting plate is engaged with the middle side of the upper shell, and the second spring drives the positioning rod to be engaged with the outer middle side of the mounting plate, so as to facilitate the positioning of the mounting plate;

[0030] 2. By rotating the movable block, the movable block is rotated inward from the outer side of the upper end of the upper shell, so that the movable block is rotated to contact the mounting plate, and the fixing rod is rotated so that the fixing rod is threadedly connected to the inner side of the upper end of the movable block, so that the fixing rod is separated from the outer side of the upper end of the mounting plate, which is convenient for disassembly and assembly of the mounting plate, thereby facilitating the installation of the semiconductor cooling plate on the inner side of the upper shell;

[0031] 3. The heat generated by the friction between the gear blocks is conducted to the heat conduction plate, so that the heat conduction plate conducts the heat to the heat dissipation fins, and then the heat is conducted to the outside of the upper shell through the heat dissipation fins, and then the coolant enters the cooling tank through the water inlet pipe, so that the cold temperature of the coolant is conducted to the inside of the lower shell, thereby dissipating the heat on the inside of the lower shell, and then the coolant after the heat conduction is discharged through the water outlet pipe, which is convenient for dissipating the heat on the inside of the lower shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the lower housing and the fixing bolts connected to the utility model;

[0033] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0034] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the connection between the mounting plate and the upper shell of the utility model;

[0035] Figure 4 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0036] Figure 5 It is a schematic diagram of the explosion structure of the movable plate connected to the first spring of the utility model.

[0037] In the figure: 1. lower shell; 2. fixing bolts; 3. cooling trough; 4. water outlet pipe; 5. water inlet pipe; 6. upper shell; 7. heat conduction plate; 8. mounting plate; 9. fixing rod; 10. semiconductor refrigeration plate; 11. movable block; 12. first spring; 13. movable plate; 14. limit rod; 15. heat dissipation fin; 16. second spring; 17. positioning rod. DETAILED DESCRIPTION

[0038] 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.

[0039] See also Figure 1-5 The utility model provides a technical solution: a heat dissipation component of a heavy-duty vehicle wheel reducer housing, comprising: a fixing bolt 2 is installed on the outer side of the upper end of the lower shell 1, and the upper end of the fixing bolt 2 is connected to the upper shell 6, a cooling groove 3 is opened on the inner and outer sides of the lower shell 1, and a water inlet pipe 5 is fixedly installed on the upper side of the left end of the lower shell 1, and a water outlet pipe 4 is arranged on the lower side of the left end of the lower shell 1, and the heat generated by the friction between the gear blocks is conducted to the heat conduction plate 7, so that the heat conduction plate 7 conducts the heat to the heat dissipation fins 15, and then the heat is conducted to the outer side of the upper shell 6 through the heat dissipation fins 15, and then the coolant enters the interior of the cooling groove 3 through the water inlet pipe 5, so that the cold temperature of the coolant is conducted to the inner side of the lower shell 1, so as to dissipate the heat of the inner side of the lower shell 1, and then the coolant after the heat conduction is discharged through the water outlet pipe 4, which is convenient for dissipating the heat of the inner side of the lower shell 1;

[0040] The heat conducting plate 7 is fixedly mounted on the inner and outer sides of the cooling tank 3, and the outer side of the heat conducting plate 7 is fixedly mounted with a heat dissipating fin 15, the outer side of the upper end of the upper shell 6 is connected with a disassembly structure, and the inner side of the lower end of the disassembly structure is connected with a mounting plate 8, the inner and outer sides of the mounting plate 8 are fixedly mounted with a first spring 12, and the lower side of the first spring 12 is connected with a movable plate 13, the outer side of the movable plate 13 is mounted with a limiting rod 14, and the inner side of the upper end of the movable plate 13 is connected with a semiconductor refrigeration sheet 10, the inner and outer sides of the upper shell 6 are arranged with a second spring 16, and the inner side of the second spring 16 is mounted with a positioning rod 14. Rod 17, place the mounting plate 8 on the inner middle side of the upper shell 6, so that the mounting plate 8 pushes the positioning rod 17 to slide outward, so that the positioning rod 17 drives the second spring 16 to be compressed, and then the mounting plate 8 is connected to the middle side of the upper shell 6, so that the second spring 16 drives the positioning rod 17 to connect to the middle outer side of the mounting plate 8, which is convenient for positioning the mounting plate 8, and the disassembly structure is rotated to make the disassembly structure threadedly connected to the outer side of the upper end of the mounting plate 8, which is convenient for disassembly and assembly of the mounting plate 8, thereby facilitating the installation of the semiconductor cooling plate 10 on the inner side of the upper shell 6;

[0041] Rotate the limit rod 14 to connect it to the outer side of the lower end of the mounting plate 8, so that the limit rod 14 slides downward on the outer side of the lower end of the mounting plate 8, and then the limit rod 14 is separated from the outer side of the lower end of the movable plate 13, and then the movable plate 13 is pulled downward to rotate the movable plate 13 downward on the inner outer side of the mounting plate 8, so that the movable plate 13 is separated from the lower side of the semiconductor cooling plate 10, and then the movable plate 13 is rotated to a vertical setting, so that the semiconductor cooling plate 10 is separated on the inner middle side of the mounting plate 8, so as to facilitate the replacement of the semiconductor cooling plate 10.

[0042] When using the heat dissipation component of the heavy-duty vehicle wheel reducer housing, the specific Figure 1 , Figure 3 and Figure 4 In the embodiment, since the mounting plate 8 is connected to the upper shell 6 by means of a snap fit, and the vertical cross-section of the mounting plate 8 is a "T"-shaped structure, the mounting plate 8 is placed on the inner middle side of the upper shell 6, so that the mounting plate 8 pushes the positioning rod 17 to slide outward, so that the positioning rod 17 drives the second spring 16 to be compressed, and the positioning rod 17 is connected to the upper shell 6 by means of a sliding manner, and the positioning rod 17 is symmetrically distributed front and back about the center line of the mounting plate 8, so that the mounting plate 8 is snap-fitted and connected to the middle side of the upper shell 6, and the second spring 16 drives the positioning rod 17 to be snap-fitted and connected to the outer middle part of the mounting plate 8, so as to facilitate the positioning of the mounting plate 8;

[0043] Specific as shown in the figure, Figure 2 and Figure 5In the embodiment, the movable block 11 is rotated, and the movable block 11 is connected to the upper shell 6 by a rotating manner, and the vertical cross-section shape of the movable block 11 is an "L"-shaped structure, so that the movable block 11 is rotated inward from the outer side of the upper end of the upper shell 6, so that the movable block 11 is rotated to contact the mounting plate 8, and the movable block 11 is connected to the fixing rod 9 by a threaded manner, and the fixing rod 9 is symmetrically distributed about the center line of the upper shell 6. The fixing rod 9 is rotated so that the fixing rod 9 is threadedly connected to the inner side of the upper end of the movable block 11, so that the fixing rod 9 is threadedly connected to the outer side of the upper end of the mounting plate 8, which is convenient for disassembly and assembly of the mounting plate 8, thereby facilitating the installation of the semiconductor cooling plate 10 on the inner side of the upper shell 6, and the limit rod 1 is rotated. 4. The limiting rod 14 is threadedly connected to the outer side of the lower end of the mounting plate 8, so that the limiting rod 14 slides downward on the outer side of the lower end of the mounting plate 8, and then the limiting rod 14 is separated from the outer side of the lower end of the movable plate 13. The movable plate 13 is connected to the mounting plate 8 in a rotating manner, and the movable plate 13 is connected to the semiconductor cooling sheet 10 in a fitting manner. Then, the movable plate 13 is pulled downward to rotate downward on the inner and outer sides of the mounting plate 8, so that the movable plate 13 is separated from the lower side of the semiconductor cooling sheet 10, and then the movable plate 13 is rotated to a vertical setting, so that the semiconductor cooling sheet 10 is separated from the inner middle side of the mounting plate 8, so as to facilitate the replacement of the semiconductor cooling sheet 10.

[0044] Specific as Figure 1 and Figure 3 In the embodiment, the heat generated by the friction between the gear blocks is conducted to the heat conducting plate 7, the heat dissipating fins 15 are connected to the upper shell 6 by a snap-fitting manner, and the heat dissipating fins 15 are evenly distributed on the outer side of the heat conducting plate 7, so that the heat conducting plate 7 conducts the heat to the heat dissipating fins 15, and then the heat is conducted to the outer side of the upper shell 6 through the heat dissipating fins 15, and then the coolant enters the interior of the cooling tank 3 through the water inlet pipe 5, so that the cold temperature of the coolant is conducted to the inner side of the lower shell 1, so that the inner side of the lower shell 1 is dissipated, and then the coolant after the heat conduction is discharged through the water outlet pipe 4, which is convenient for dissipating the heat to the inner side of the lower shell 1.

[0045] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat dissipation assembly for a heavy-duty vehicle wheel reducer housing, comprising a lower housing (1), a fixing bolt (2) being installed on the outer side of the upper end of the lower housing, and an upper housing (6) being connected to the outer side of the upper end of the fixing bolt (2); It is characterized in that Also includes: A cooling tank (3) is provided on the inner and outer sides of the lower shell (1), and a water inlet pipe (5) is fixedly installed on the upper left side of the lower shell (1), and a water outlet pipe (4) is provided on the lower left side of the lower shell (1); A heat conducting plate (7) is fixedly mounted on the inner and outer sides of the cooling groove (3), and a heat dissipating fin (15) is fixedly mounted on the outer side of the heat conducting plate (7); a disassembly structure is connected to the outer side of the upper end of the upper shell (6), and a mounting plate (8) is connected to the inner side of the lower end of the disassembly structure; a first spring (12) is fixedly arranged on the inner and outer sides of the mounting plate (8), and a movable plate (13) is connected to the lower side of the first spring (12); a limiting rod (14) is installed on the outer side of the movable plate (13), and a semiconductor refrigeration plate (10) is connected to the inner side of the upper end of the movable plate (13); a second spring (16) is arranged on the inner and outer sides of the upper shell (6), and a positioning rod (17) is installed on the inner side of the second spring (16).

2. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 1 is characterized in that: The mounting plate (8) and the upper shell (6) are connected in a snap-fitting manner, and the vertical cross-section of the mounting plate (8) is a "T"-shaped structure.

3. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 1 is characterized in that: The disassembly and assembly structure comprises a movable block (11), which is mounted on the outer side of the upper end of the upper shell (6), and the inner side of the upper end of the movable block (11) is connected to a fixing rod (9).

4. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 3 is characterized in that: The movable block (11) is connected to the upper shell (6) in a rotational manner, and the vertical cross-section of the movable block (11) is an "L"-shaped structure.

5. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 4, characterized in that: The movable block (11) is connected to the fixed rod (9) by means of a thread, and the fixed rod (9) is symmetrically distributed with respect to the center line of the upper shell (6).

6. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 1, characterized in that: The movable plate (13) and the mounting plate (8) are connected in a rotating manner, and the movable plate (13) and the semiconductor cooling plate (10) are connected in a fitting manner.

7. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 1, characterized in that: The heat dissipation fins (15) are connected to the upper housing (6) in a snap-fit ​​manner, and the heat dissipation fins (15) are evenly distributed on the outer side of the heat conduction plate (7).

8. The heat dissipation assembly of the heavy-duty vehicle wheel reducer housing according to claim 1, characterized in that: The positioning rod (17) is connected to the upper shell (6) in a sliding manner, and the positioning rod (17) is symmetrically distributed frontward and rearward about the center line of the mounting plate (8).