A vehicle model having a suspended body

Abstract

The utility model relates to a vehicle model with suspension type tooth box, including chassis, drive component, front tooth box and rear tooth box, drive component installs on chassis, drive component is connected with front transmission shaft and rear transmission shaft, front transmission shaft with rear transmission shaft all are connected with front tooth box and rear tooth box through gimbals correspondingly, the front part of chassis is provided with the front floating plate that can swing relative to chassis, and front tooth box is installed on the front floating plate, the rear part of chassis is provided with the rear floating plate that can swing relative to chassis, and rear tooth box is installed on the rear floating plate, the vehicle model in the utility model, the suspension type tooth box in it can buffer impact load, increase product life, and offset can start when the counter torque of bringing, improve controllability.

Description

Technical Field

[0001] This utility model relates to the field of vehicle model technology, and in particular to a vehicle model with a floating structure. Background Technology

[0002] Existing vehicle models on the market have front and rear gearboxes, but the gearboxes are fixed to the chassis. When the vehicle accelerates, brakes, or drives on bumpy roads, the power transmission will generate instantaneous impacts. These impacts will be directly applied to the gears, reducing their lifespan. Utility Model Content

[0003] This invention provides a vehicle model with a suspended gearbox, which can buffer impact loads, increase product lifespan, and counteract the counter-torque during startup, thereby improving handling.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A vehicle model with a suspended gearbox includes a chassis, a drive assembly, a front gearbox, and a rear gearbox, wherein the drive assembly is mounted on the chassis; The drive assembly is connected to a front drive shaft and a rear drive shaft, and both the front drive shaft and the rear drive shaft are connected to the front gearbox and the rear gearbox respectively via universal joints; The front part of the chassis is provided with a front floating plate that can swing relative to the chassis, and the front gearbox is mounted on the front floating plate; The rear of the chassis is provided with a rear floating plate that can swing relative to the chassis, and the rear gearbox is mounted on the rear floating plate.

[0005] Preferably, the rear end of the front floating plate is fixed to the chassis along the front-rear direction, while the front end is suspended in the air. The front of the chassis is provided with a front floating hole that matches the size of the front gearbox, and at least part of the front floating plate is provided in the front floating hole, with the two fitting together with a clearance.

[0006] Preferably, a front limiting plate is provided on the front floating plate, a front baffle is provided on the side wall of the front floating hole, and the lower side wall of the front limiting plate abuts against the upper side wall of the front baffle.

[0007] Preferably, the front limiting plate is formed by extending outward from the upper part of the front floating plate, the front baffle is formed by opening a front groove in the side wall of the front floating hole, and the front limiting plate is placed in the front groove so that the upper surface of the front limiting plate is flush with the upper surface of the chassis.

[0008] Preferably, the front end of the rear floating plate is fixed to the chassis along the front-rear direction, and the rear end is suspended in the air; The rear of the chassis is provided with a rear floating hole that matches the size of the rear gearbox, and at least part of the rear floating plate is provided in the rear floating hole, with the two fitting together with a clearance.

[0009] Preferably, a rear limiting plate is provided on the rear floating plate, a rear baffle is provided on the side wall of the rear floating hole, and the lower side wall of the rear limiting plate abuts against the upper side wall of the rear baffle.

[0010] Preferably, the rear limiting plate is formed by extending outward from the upper part of the rear floating plate, and the rear baffle is formed by opening a rear groove in the side wall of the rear floating hole. The rear limiting plate is placed in the rear groove so that the upper surface of the rear limiting plate is flush with the upper surface of the chassis.

[0011] Preferably, the chassis is provided with a front protective frame and a rear protective frame, the front gearbox is located inside the front protective frame and the two are fitted with a clearance, and the rear gearbox is located inside the rear protective frame and the two are fitted with a clearance.

[0012] Preferably, a front axle cup is provided at the connection of the front gearbox, the front axle cup is provided with a front drive hole, the front drive hole includes a front connecting hole and a plurality of front limiting holes provided on the outer periphery of the front connecting hole, the front limiting holes communicate with the front connecting hole, a front limiting rod is provided on the front drive shaft, the end of the front drive shaft is located in the front connecting hole and is clearance-fitted, and the front limiting rod is located in the front limiting hole and is clearance-fitted; A rear axle cup is provided at the connection of the rear gearbox. The rear axle cup has a rear drive hole. The rear drive hole includes a rear connecting hole and a plurality of rear limiting holes located on the outer periphery of the rear connecting hole. The rear limiting holes communicate with the rear connecting hole. A rear limiting rod is provided on the rear drive shaft. The end of the rear drive shaft is located in the rear connecting hole with clearance fit. The rear limiting rod is located in the rear limiting hole with clearance fit.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: The front and rear floating plates allow the front and rear gearboxes to have a range of motion. On the one hand, they can buffer the impact load when the model car accelerates, brakes, or travels on bumpy roads, protecting gears and other components and extending their service life. On the other hand, they can also counteract the forward or reverse torque generated by the motor's forward and reverse rotation when the model car starts instantly, thus preventing the vehicle from deviating from its direction at the moment of start-up and affecting handling. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 An exploded view of the gearbox installation on a vehicle model according to an embodiment of this utility model; Figure 2 This is a schematic diagram of the gearbox installation of a vehicle model in an embodiment of this utility model; Figure 3 This is a schematic diagram showing the positions of the chassis and suspension plate in an embodiment of this utility model; Figure 4 This is a schematic diagram showing the connection between the front drive shaft and the front axle cup in an embodiment of this utility model; Figure 5 This is a schematic diagram showing the connection between the rear drive shaft and the rear axle cup in an embodiment of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Chassis; 11. Front floating hole; 12. Front baffle; 13. Rear floating hole; 14. Rear baffle; 2. Drive assembly; 21. Motor; 22. Large gear; 3. Front gearbox; 4. Rear gearbox; 5. Front drive shaft; 51. Front limit rod; 6. Rear drive shaft; 61. Rear limit rod; 7. Front floating plate; 71. Front limit plate; 8. Rear floating plate; 81. Rear limit plate; 9. Front axle cup; 91. Front connecting hole; 92. Front limit hole; 10. Rear axle cup; 101. Rear connecting hole; 102. Rear limit hole; 100. Front protective frame; 200. Rear protective frame. Detailed Implementation

[0017] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] This utility model provides a vehicle model with a suspended gearbox, including a chassis 1, a drive assembly 2, a front gearbox 3, and a rear gearbox 4. The drive assembly 2 is bolted to the chassis 1. Specifically, in this embodiment, the drive assembly 2 includes a motor 21 with an output gear and a large gear assembly, wherein the large gear assembly includes a large gear 22 and a corresponding mounting bracket. The large gear 22 is located at the central axis of the chassis 1. Specifically, the large gear 22 in the drive assembly 2 is connected to a front drive shaft 5 and a rear drive shaft 6. The front drive shaft 5 and the rear drive shaft 6 are connected to the front gearbox 3 and the rear gearbox 4 through universal joints. The front gearbox 3 and the rear gearbox 4 are connected to the front wheel and the rear wheel respectively through the front axle and the rear axle, thereby driving the front gearbox 3 and the rear gearbox 4 to rotate through the motor 21, and driving the front wheel and the rear wheel to rotate.

[0021] Since the existing front gearbox 3 and rear gearbox 4 are both bolted to the chassis 1, when the model car accelerates, brakes, or travels on bumpy roads, the power transmission will generate instantaneous impacts. These impacts will directly affect the gears, reducing their service life. To solve the above problems, in this utility model, such as Figures 1-3As shown, a front floating plate 7 that can swing relative to the chassis 1 is provided at the front of the chassis 1. The front gearbox 3 is mounted on the front floating plate 7, so that the front gearbox 3 located on the front floating plate 7 can drive the front floating plate 7 to move on the chassis 1, giving the front gearbox 3 a range of space to move. At the same time, a rear floating plate 8 that can swing relative to the chassis 1 is provided at the rear of the chassis 1. The rear gearbox 4 is mounted on the rear floating plate 8, so that the rear gearbox 4 located on the rear floating plate 8 can drive the rear floating plate 8 to move on the chassis 1, giving the rear gearbox 4 a range of space to move. In summary, due to the setting of the front floating plate 7 and the rear floating plate 8, the front and rear gearboxes have a range of space to move. On the one hand, it can buffer the impact load when the car model accelerates, brakes, or drives on bumpy roads, protect the gears and other components, and extend their service life. On the other hand, it can also counteract the forward or reverse torque generated by the forward and reverse rotation of the motor 21 when the vehicle model starts instantly, so as to avoid the situation where the vehicle deviates from the direction at the moment of starting and affects the handling. It is important to know that the universal joint connection between the front drive shaft 5 and the front gearbox 3 requires a clearance fit so that the front drive shaft 5 can move a certain distance along its axial direction relative to the front gearbox 3, thereby ensuring the swing of the front gearbox 3. Correspondingly, the universal joint connection between the rear drive shaft 6 and the rear gearbox 4 also requires a clearance fit so that the rear drive shaft 6 can move a certain distance along its axial direction relative to the rear gearbox 4, thereby ensuring the swing of the rear gearbox 4.

[0022] Furthermore, a front floating hole 11 matching the size of the front gearbox 3 is provided at the front of the chassis 1, and at least part of the front floating plate 7 is disposed within the front floating hole 11, with a clearance fit between the front floating plate 7 and the front floating hole 11, providing space for the front floating plate 7 to move. This ensures that most of the front floating plate 7 is hidden within the front floating hole 11, protecting the front floating plate 7, and ensuring that the upper surface of the front floating plate 7 is basically flush with the height of the chassis 1, preventing the installed front gearbox 3 from being too high, thus preventing the front of the entire vehicle model from being too high. Specifically, in this embodiment, along the longitudinal direction of the chassis 1, the rear end of the front floating plate 7 is fixed to the chassis 1, while the front end is suspended, thus forming a structure similar to a ramp, allowing the front gearbox 3 to drive the front floating plate 7 to swing.

[0023] Furthermore, since the chassis 1 is relatively close to the driving ground, to prevent the front gearbox 3 from swinging downwards and causing the front floating plate 7 to collide with the ground, a front limiting plate 71 is provided on the front floating plate 7. Correspondingly, a front baffle 12 is provided at the front floating hole 11. After the front floating plate 7 is installed, the lower side wall of the front limiting plate 71 abuts against the upper side wall of the front baffle 12, thereby limiting the front end of the front floating plate 7. The entire floating plate is difficult to swing downwards under the action of the front gearbox 3. Specifically, the front limiting plate 71 is formed by extending outwards from the upper part of the front floating plate 7, and the front baffle 12 is formed by opening a front groove in the side wall of the front floating hole 11. The front limiting plate 71 is placed in the front groove to prevent the front limiting plate 71 from protruding too much from the upper surface of the chassis 1. The structure is more compact, and the entire front limiting plate 71 is parallel to the chassis 1 without appearing abrupt.

[0024] Furthermore, a rear floating hole 13, matching the size of the rear gearbox 4, is provided at the rear of the chassis 1, with at least a portion of the rear floating plate 8 disposed within the rear floating hole 13. The rear floating plate 8 and the rear floating hole 13 are fitted with a clearance, providing space for the rear floating plate 8 to move. This ensures that most of the rear floating plate 8 is hidden within the rear floating hole 13, protecting it. Additionally, the upper surface of the rear floating plate 8 is approximately flush with the height of the chassis 1, preventing the installed rear gearbox 4 from being too high and thus ensuring the rear of the entire vehicle model is not excessively high. Specifically, in this embodiment, along the longitudinal direction of the chassis 1, the front end of the rear floating plate 8 is fixed to the chassis 1, while the rear end is suspended, forming a structure similar to a ramp, allowing the rear gearbox 4 to drive the rear floating plate 8 to swing.

[0025] Furthermore, since the chassis 1 is relatively close to the driving ground, to prevent the rear gearbox 4 from swinging downwards and causing the rear floating plate 8 to collide with the ground, a rear limiting plate 81 is provided on the rear floating plate 8. Correspondingly, a rear baffle 14 is provided at the rear floating hole 13. After the rear floating plate 8 is installed, the lower side wall of the rear limiting plate 81 abuts against the upper side wall of the rear baffle 14, thereby limiting the rear end of the rear floating plate 8. The entire floating plate is difficult to swing downwards under the action of the rear gearbox 4. Specifically, the rear limiting plate 81 is formed by extending outwards from the upper part of the rear floating plate 8, and the rear baffle 14 is formed by opening a rear groove in the side wall of the rear floating hole 13. The rear limiting plate 81 is placed in the rear groove to prevent the rear limiting plate 81 from protruding too much from the upper surface of the chassis 1. The structure is more compact, and the entire rear limiting plate 81 is parallel to the chassis 1 without appearing abrupt.

[0026] Specifically, to prevent excessive swaying of the front gearbox 3 and rear gearbox 4, which could damage other components on the vehicle model and the drive shaft they are connected to, a front protective frame 100 and a rear protective frame 200 are bolted to the chassis 1. The front gearbox 3 is located within the front protective frame 100, and the two are fitted with a clearance fit, allowing the front gearbox 3 sufficient room to move without causing excessive movement that could affect other components. Similarly, the rear gearbox 4 is located within the rear protective frame 200, and the two are fitted with a clearance fit, allowing the front gearbox 3 sufficient room to move without causing excessive movement that could affect other components. Preferably, a buffer pad can be fitted inside the front protective frame 100 and the rear protective frame 200 to buffer the impact force from the gearboxes and reduce the sound generated by the collision.

[0027] Specifically, such as Figure 4 As shown, a front axle cup 9 is provided at the connection between the front gearbox 3 and the front drive shaft 5. The front axle cup 9 has a front drive hole on its end face near the front drive shaft 5. The front drive hole includes a front connecting hole 91 and multiple front limiting holes 92 located on the outer periphery of the front connecting hole 91. The front limiting holes 92 communicate with the front connecting hole 91. A front limiting rod 51 is installed on the front drive shaft 5. The end of the front drive shaft 5 is located within the front connecting hole 91 with a clearance fit. The front limiting rod 51 is located within the front limiting hole 92 with a clearance fit. This allows the front drive shaft 5 to rotate, driving the front axle cup 9 to rotate and the gears in the front gearbox 3 to rotate, through the engagement of the front limiting rod 51 and the front limiting hole 92. It also provides a clearance between the front axle cup 9 and the end of the front drive shaft 5, ensuring that the swinging of the front gearbox 3 does not affect the connection with the front drive shaft 5. Figure 5 As shown, a rear axle cup 10 is provided at the connection between the rear gearbox 4 and the rear drive shaft 6. The rear axle cup 10 has a rear drive hole on its end face near the rear drive shaft 6. The rear drive hole includes a rear connecting hole 101 and a plurality of rear limiting holes 102 on the outer periphery of the rear connecting hole 101. The rear limiting holes 102 communicate with the rear connecting hole 101. A rear limiting rod 61 is installed on the rear drive shaft 6. The end of the rear drive shaft 6 is located in the rear connecting hole 101 with clearance fit. The rear limiting rod 61 is located in the rear limiting hole 102 with clearance fit. Thus, the rear drive shaft 6 can rotate to drive the rear axle cup 10 to rotate and drive the gear in the rear gearbox 4 to rotate through the cooperation of the rear limiting rod 61 and the rear limiting hole 102. It also provides a clearance between the rear axle cup 10 and the end of the rear drive shaft 6, so that the swing of the rear gearbox 4 will not affect the connection with the rear drive shaft 6. Specifically, the large gear 22 is also equipped with shaft cups at both ends. The front drive shaft 5 is connected to the shaft cup at the front end of the large gear 22, and the mating method is the same as that of the front shaft cup 9. The rear drive shaft 6 is connected to the shaft cup at the rear end of the large gear 22, and the mating method is the same as that of the rear shaft cup 10. This can reduce the installation accuracy of the drive shaft and the large gear 22.

[0028] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A vehicle model with a suspended gearbox, characterized in that, It includes a chassis, a drive assembly, a front gearbox, and a rear gearbox, wherein the drive assembly is mounted on the chassis; The drive assembly is connected to a front drive shaft and a rear drive shaft, and both the front drive shaft and the rear drive shaft are connected to the front gearbox and the rear gearbox respectively via universal joints; The front part of the chassis is provided with a front floating plate that can swing relative to the chassis, and the front gearbox is mounted on the front floating plate; The rear of the chassis is provided with a rear floating plate that can swing relative to the chassis, and the rear gearbox is mounted on the rear floating plate.

2. The vehicle model according to claim 1, characterized in that, The rear end of the front floating plate is fixed to the chassis along the front-rear direction, while the front end is suspended in the air. The front of the chassis is provided with a front floating hole that matches the size of the front gearbox, and at least part of the front floating plate is provided in the front floating hole, with the two fitting together with a clearance.

3. The vehicle model according to claim 2, characterized in that, A front limiting plate is provided on the front floating plate, and a front baffle is provided on the side wall of the front floating hole. The lower side wall of the front limiting plate abuts against the upper side wall of the front baffle.

4. The vehicle model according to claim 3, characterized in that, The front limiting plate is formed by extending outward from the upper part of the front floating plate, and the front baffle is formed by opening a front groove in the side wall of the front floating hole. The front limiting plate is placed in the front groove so that the upper surface of the front limiting plate is flush with the upper surface of the chassis.

5. The vehicle model according to claim 2, characterized in that, The front end of the rear floating plate is fixed to the chassis along the front-rear direction, and the rear end is suspended in the air. The rear of the chassis is provided with a rear floating hole that matches the size of the rear gearbox, and at least part of the rear floating plate is provided in the rear floating hole, with the two fitting together with a clearance.

6. The vehicle model according to claim 5, characterized in that, A rear limiting plate is provided on the rear floating plate, and a rear baffle is provided on the side wall of the rear floating hole. The lower side wall of the rear limiting plate abuts against the upper side wall of the rear baffle.

7. The vehicle model according to claim 6, characterized in that, The rear limiting plate is formed by extending outward from the upper part of the rear floating plate, and the rear baffle is formed by opening a rear groove in the side wall of the rear floating hole. The rear limiting plate is placed in the rear groove so that the upper surface of the rear limiting plate is flush with the upper surface of the chassis.

8. The vehicle model according to claim 5, characterized in that, The chassis is provided with a front protective frame and a rear protective frame. The front gearbox is located inside the front protective frame and the two are fitted with a clearance. The rear gearbox is located inside the rear protective frame and the two are fitted with a clearance.

9. The vehicle model according to claim 1, characterized in that, A front axle cup is provided at the connection of the front gearbox. The front axle cup has a front drive hole. The front drive hole includes a front connecting hole and a plurality of front limiting holes provided on the outer periphery of the front connecting hole. The front limiting holes communicate with the front connecting hole. A front limiting rod is provided on the front drive shaft. The end of the front drive shaft is located in the front connecting hole and is clearance-fitted. The front limiting rod is located in the front limiting hole and is clearance-fitted. A rear axle cup is provided at the connection of the rear gearbox. The rear axle cup has a rear drive hole. The rear drive hole includes a rear connecting hole and a plurality of rear limiting holes located on the outer periphery of the rear connecting hole. The rear limiting holes communicate with the rear connecting hole. A rear limiting rod is provided on the rear drive shaft. The end of the rear drive shaft is located in the rear connecting hole with clearance fit. The rear limiting rod is located in the rear limiting hole with clearance fit.

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