Gear transmission with anti-overheating mechanism

By introducing components such as heat sinks, protective shells, heat conduction plates, and fans into the gear transmission, comprehensive heat dissipation of the transmission housing is achieved, solving the problem of small heat dissipation area in the prior art, improving the stability and service life of the transmission, and enhancing maintenance convenience and component life.

CN223806607UActive Publication Date: 2026-01-16JIAXING HUAYU ELECTRIC CO LTD
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Patent Information

Application Number
CN202520781099.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-01-16
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing gear transmissions can only dissipate heat from the lower part of the transmission housing during use, resulting in a small heat dissipation area, which leads to overheating of the transmission and affects its stability and service life.

Method used

The design incorporates a combination of a heat sink, protective shell, heat conduction plate, heat conduction holes, heat dissipation fins, heat dissipation holes, and a fan to achieve comprehensive heat dissipation for the upper and lower parts of the transmission housing. The ventilation holes enhance airflow, and the combination of threaded grooves, mounting plates, and bolts facilitates disassembly and assembly. Meanwhile, the positioning shaft and positioning groove assist in installation, and the mounting frame and dustproof mesh prevent dust from entering.

Benefits of technology

It improves the heat dissipation and stability of the transmission, extends the service life of components, enhances maintenance efficiency and convenience, and prevents dust from entering, thus extending the service life of the fan and transmission housing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223806607U_ABST
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Abstract

The utility model relates to the field of gear transmissions, and discloses a gear transmission with an anti-overheating mechanism, which comprises a heat dissipation seat, the heat dissipation seat is arranged below a transmission shell, a protective shell is detachably arranged on the top surface of the heat dissipation seat, a mounting groove is formed in the inner bottom surface of the heat dissipation seat, and an anti-overheating mechanism is arranged in the mounting groove. A heat conduction plate is fixed in the mounting groove, a plurality of heat dissipation fins are fixed on the bottom surface of the heat conduction plate, the plurality of heat dissipation fins respectively penetrate through a plurality of heat conduction holes and extend towards the bottom of the heat dissipation seat, heat dissipation holes are respectively formed in the left side and the right side of the outer wall of the protective shell, and a fan is fixed in the heat dissipation hole in the right side. According to the transmission case, the heat dissipation base, the protective shell, the heat conduction plate, the heat conduction holes, the heat dissipation fins, the heat dissipation holes and the fan are used in cooperation, heat dissipation on the upper portion and the lower portion of the transmission case is facilitated, the heat dissipation area and effect are improved, a transmission is prevented from being overheated, the stability of the transmission is improved, and the service life of the transmission is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gear transmission, specifically is a gear transmission with anti -overheating mechanism. BACKGROUND

[0002] The automobile transmission as one of the core components of the automobile plays a decisive role in the whole vehicle, and the core of the transmission is that it can realize gear shifting, and the driver needs to control the accelerator pedal according to the driving speed in the driving process, and the transmission switches different gears according to the engine load, and the abnormal work of any element in the transmission system will cause the failure of the transmission.

[0003] According to the Chinese patent with the announcement number CN222334473U, a planetary gear transmission comprises a transmission housing, the outer surface of the transmission housing is covered with a protective shell, and the inner surface of the protective shell and the outer surface of the transmission housing have a gap to form a sealed cavity, a flow guide assembly is arranged in the cavity, the flow guide assembly abuts between the inner surface of the protective shell and the transmission housing, the protective shell is connected with a base at the bottom of the transmission housing, a cooling cavity is formed in the base, a water supply pipe is arranged in the cooling cavity and communicates with one end of the sealed cavity, a water return pipe is arranged in the cooling cavity and communicates with the other end of the sealed cavity, and a water pump is arranged in the cooling cavity and located at the end of the water supply pipe.

[0004] In the above scheme, the cooling liquid is pumped into the cavity formed between the protective shell and the transmission housing by the water pump, and the heat generated by the transmission is taken away, which has the following disadvantages: when the transmission is used, only the lower part of the transmission housing can be cooled, and the cooling area is small, which causes the transmission to overheat, and reduces the stability and service life of the transmission. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gear transmission with anti -overheating mechanism to solve the problem that when the transmission is used, only the lower part of the transmission housing can be cooled, and the cooling area is small, which causes the transmission to overheat, and reduces the stability and service life of the transmission.

[0006] To achieve the above-mentioned utility model purposes, the utility model discloses the following technical scheme: A gear transmission with anti-overheating mechanism, including the heat dissipation seat, the heat dissipation seat sets up below the transmission housing, the top surface of heat dissipation seat is detachably provided with the protective shell, the inside bottom surface of heat dissipation seat is opened to have the installation slot, the inside fixed heat conduction plate of installation slot, the inner wall of heat conduction plate is fixedly connected with the bottom surface of transmission housing, the inside bottom surface of installation slot is opened to have a plurality of heat conduction holes, the bottom surface of heat conduction plate is fixed with a plurality of radiating fins, a plurality of Radiating fins respectively penetrate a plurality of heat conduction holes and extend towards the bottom of heat dissipation seat, the outer wall left side, right side of protective shell is opened to have the heat dissipation hole respectively, the inside fixed fan of right side heat dissipation hole.

[0007] Preferably, the outer wall left side, right side of the heat dissipation seat is opened to have a plurality of ventilation holes respectively.

[0008] Preferably, the outer wall left side, right side of the heat dissipation seat is opened to have a plurality of threaded grooves, the outer wall left side, right side of the protective shell is fixedly provided with an installation plate, one side of the two installation plates is opened to have a threaded hole, the two threaded holes are respectively screwed with bolts, and the threaded ends of the two bolts are respectively screwed with the inside of the two threaded grooves.

[0009] Preferably, the bottom surface of the protective shell is fixed with a plurality of positioning shafts, and the top surface of the heat dissipation seat is opened to have a plurality of positioning grooves, and the plurality of positioning grooves are respectively positioned with the plurality of positioning shafts.

[0010] Preferably, the outer wall right side of the protective shell is detachably provided with an installation frame, and the inside of the installation frame is fixed with a dust screen.

[0011] Preferably, the outer wall right side of the protective shell is fixed with two first magnets, the top surface and bottom surface of the installation frame are respectively fixed with second magnets, and the two second magnets are respectively magnetically attracted to the two first magnets.

[0012] Compared with the prior art, the gear transmission with anti-overheating mechanism adopting the above technical scheme has the following beneficial effects:

[0013] I. In use, through the cooperation of the heat dissipation seat, the protective shell, the heat conduction plate, the heat conduction hole, the radiating fin, the heat dissipation hole and the fan, the upper and lower parts of the transmission housing are fully cooled, the cooling effect is improved, the transmission overheating is avoided, and the stability and service life of the transmission are improved.

[0014] II. In use, the air flow on the surface of the heat dissipation fins is facilitated by the additional passage provided by the ventilation holes, the air flow on the surface of the heat dissipation fins is enhanced, and the heat dissipation efficiency is improved. Through the cooperation of the threaded groove, the mounting plate and the bolt, the worker can disassemble and assemble the protective shell, which is convenient for maintenance or replacement, and improves the maintenance efficiency;

[0015] III. In use, the positioning shaft and the positioning groove are used in cooperation, which is convenient for the worker to install the protective shell and the heat dissipation seat, and can assist in positioning, improving the convenience during installation. Through the cooperation of the mounting frame and the dust screen, the dust and other impurities in the air are blocked, preventing them from entering the inside of the protective shell, prolonging the service life of the fan, the transmission housing and other components. Through the cooperation of the first magnet and the second magnet, the worker can quickly disassemble and assemble the mounting frame and the dust screen, which is convenient for cleaning or replacement, and improves the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the embodiment.

[0017] Figure 2 It is a split schematic view of the embodiment.

[0018] Figure 3 It is a cross-sectional view of the heat dissipation seat of the embodiment.

[0019] Figure 4 It is a cross-sectional view of the protective shell of the embodiment.

[0020] In the figure: 1, heat dissipation seat; 2, transmission housing; 3, protective shell; 4, mounting groove; 5, heat conduction plate; 6, heat conduction hole; 7, heat dissipation fin; 8, heat dissipation hole; 9, fan; 10, ventilation hole; 11, threaded groove; 12, mounting plate; 13, threaded hole; 14, bolt; 15, positioning shaft; 16, positioning groove; 17, mounting frame; 18, dust screen; 19, first magnet; 20, second magnet. DETAILED DESCRIPTION

[0021] The preferred embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0022] As Figures 1-4As shown, a kind of gear transmission with anti-overheating mechanism, including heat dissipation seat 1, heat dissipation seat 1 is set below the transmission housing 2, transmission housing 2 is the existing structure, can refer to the Chinese public patent with the announcement:CN222334473U, the transmission housing 2 in the application file is the transmission housing in the cited document, the top surface of heat dissipation seat 1 is detachably provided with protective shell 3, the inside bottom surface of heat dissipation seat 1 is provided with installation groove 4, the inside of installation groove 4 is fixed with heat conduction plate 5, the inner wall of heat conduction plate 5 is fixedly connected with the bottom surface of transmission housing 2, the inside bottom surface of installation groove 4 is provided with a plurality of heat conduction holes 6, the bottom surface of heat conduction plate 5 is fixed with a plurality of heat dissipation fins 7, a plurality of heat dissipation fins 7 respectively penetrate a plurality of heat conduction holes 6, and extend towards the bottom of heat dissipation seat 1, the outer wall left side and right side of protective shell 3 are respectively provided with heat dissipation hole 8, the inside of the right side heat dissipation hole 8 is fixed with fan 9.

[0023] In use, when the transmission housing 2 generates heat due to the high-speed operation and friction of the internal gear, the heat at the lower part of the transmission housing 2 is guided to the surface of the heat dissipation fins 7 through the heat conduction plate 5, the air flows through the surface of the heat dissipation fins 7 through the bottom of the heat dissipation seat 1, and the heat is dissipated to the air through the heat dissipation fins 7, while the fan 9 is started to send the air into the inside of the protective shell 3 through the right side heat dissipation hole 8, and then the heat at the upper part of the transmission housing 2 is discharged from the left side heat dissipation hole 8. Through the cooperation of the heat dissipation seat 1, the protective shell 3, the heat conduction plate 5, the heat conduction hole 6, the heat dissipation fin 7, the heat dissipation hole 8 and the fan 9, the upper and lower parts of the transmission housing 2 are beneficially cooled, the cooling area and effect are improved, the transmission overheating is avoided, and the stability and service life of the transmission are improved.

[0024] As shown in the figure, Figures 1-3 The outer wall left side and right side of the heat dissipation seat 1 are respectively provided with a plurality of ventilation holes 10.

[0025] In use, the ventilation holes 10 provide additional channels for the flow of air on the surface of the heat dissipation fins 7, enhancing the flow of air on the surface of the heat dissipation fins 7 and improving the cooling efficiency.

[0026] As shown in the figure, Figures 1-4 The outer wall left side and right side of the heat dissipation seat 1 are respectively provided with threaded grooves 11, the outer wall left side and right side of the protective shell 3 are respectively fixed with mounting plates 12, one side of the two mounting plates 12 is respectively provided with threaded holes 13, the two threaded holes 13 are respectively threadedly connected with bolts 14, the threaded ends of the two bolts 14 are respectively threadedly connected with the inside of the two threaded grooves 11, the bottom surface of the protective shell 3 is fixed with a plurality of positioning shafts 15, the top surface of the heat dissipation seat 1 is provided with a plurality of positioning grooves 16, and the plurality of positioning grooves 16 respectively position the plurality of positioning shafts 15.

[0027] In use, through the cooperation of the threaded groove 11, the mounting plate 12 and the bolt 14, the staff can disassemble and assemble the protective shell 3, so that the maintenance or replacement is facilitated, and the maintenance efficiency is improved. Through the cooperation of the positioning shaft 15 and the positioning groove 16, when the staff installs the protective shell 3 and the heat dissipation seat 1, the positioning is assisted, and the convenience during installation is improved.

[0028] As shown in Figure 1 , Figure 2 and Figure 4 , the outer wall right side of the protective shell 3 is detachably provided with a mounting frame 17, the inside of the mounting frame 17 is fixedly provided with a dust screen 18, the outer wall right side of the protective shell 3 is fixedly provided with two first magnets 19, the top surface and the bottom surface of the mounting frame 17 are respectively fixedly provided with second magnets 20, and the two second magnets 20 are respectively magnetically attracted to the two first magnets 19.

[0029] In use, through the cooperation of the mounting frame 17 and the dust screen 18, the dust and impurities in the air are blocked, so that the inside of the protective shell 3 is prevented from being entered, and the service life of the fan 9, the transmission housing 2 and other components is prolonged. Through the cooperation of the first magnet 19 and the second magnet 20, the staff can quickly disassemble and assemble the mounting frame 17 and the dust screen 18, so that the cleaning or replacement is facilitated, and the maintenance efficiency is improved.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A gear transmission having an anti-overheat mechanism, comprising a heat sink (1) provided below a transmission housing (2), characterized in that, The top surface of the heat dissipation seat (1) is detachably provided with a protective shell (3), the inner bottom surface of the heat dissipation seat (1) is provided with a mounting groove (4), the inner part of the mounting groove (4) is fixedly provided with a heat conducting plate (5), the inner wall of the heat conducting plate (5) is fixedly connected with the bottom surface of the transmission shell (2), the inner bottom surface of the mounting groove (4) is provided with a plurality of heat conducting holes (6), the bottom surface of the heat conducting plate (5) is fixedly provided with a plurality of heat dissipation fins (7), a plurality of heat dissipation fins (7) respectively penetrate a plurality of heat conducting holes (6) and extend towards the bottom of the heat dissipation seat (1), the outer wall left side and right side of the protective shell (3) are respectively provided with heat dissipation holes (8), and the inner part of the heat dissipation hole (8) on the right side is fixedly provided with a fan (9).

2. The gear transmission with an anti-overheating mechanism according to claim 1, characterized in that: The outer wall left side and right side of the heat dissipation seat (1) are respectively provided with a plurality of ventilation holes (10).

3. A gear transmission having an anti-overheat mechanism according to claim 2, characterized in that: The outer wall left side and right side of the heat dissipation seat (1) are respectively provided with threaded grooves (11), the outer wall left side and right side of the protective shell (3) are respectively fixedly provided with mounting plates (12), one side of the two mounting plates (12) is respectively provided with threaded holes (13), the two threaded holes (13) are respectively threadedly connected with bolts (14), and the threaded ends of the two bolts (14) are respectively threadedly connected with the inner parts of the two threaded grooves (11).

4. The gear transmission with an anti-overheating mechanism according to claim 3, characterized in that: The bottom surface of the protective shell (3) is fixedly provided with a plurality of positioning shafts (15), the top surface of the heat dissipation seat (1) is provided with a plurality of positioning grooves (16), and the plurality of positioning grooves (16) are respectively positioned on the plurality of positioning shafts (15).

5. The gear transmission with anti-overheat mechanism according to claim 1, characterized in that: The outer wall right side of the protective shell (3) is detachably provided with a mounting frame (17), and the inner part of the mounting frame (17) is fixedly provided with a dustproof net (18).

6. A gear transmission having an anti-overheat mechanism according to claim 5, characterized by: The outer wall right side of the protective shell (3) is fixedly provided with two first magnets (19), the top surface and bottom surface of the mounting frame (17) are respectively fixedly provided with second magnets (20), and the two second magnets (20) are respectively magnetically attracted to the two first magnets (19).

Citation Information

Patent Citations

  • Planetary gear transmission

    CN222334473U