Steering mechanism of model car

Abstract

The utility model belongs to the technical field of steering structures, and particularly relates to a model car steering mechanism which comprises a connecting frame, a shaft rod rotationally connected in the connecting frame, a driven conical tooth connected to the bottom of the shaft rod, a steering adjusting component connected with the shaft rod and synchronously acting along with the shaft rod. The driven part acts along with the steering adjusting part and adjusts the steering direction of the model car, the power part is connected to the connecting frame, provides power and serves as a steering action input power end, and the speed reduction part is connected with the connecting frame, acts along with the power part and decelerates the input power to ensure the operation stability. The angles of the connecting rods at the two ends of the sleeve rod are changed, so that the direction of the hub frame connected with the connecting rods is changed, steering operation is achieved, tires of the vehicle model can be driven to freely steer by means of the structure of the vehicle model, the vehicle can move without external force, and movement is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of model car steering, in particular to a model car steering mechanism. Background Art

[0002] In today's world, the automotive industry is developing rapidly, and the cycle of vehicle replacement is constantly shortening, which poses higher requirements for vehicle design. Automotive verification models are an important part of vehicle design, ensuring the correctness and direction of subsequent design and development.

[0003] Most vehicle models are made one-to-one with real vehicles and can be used for vehicle display. However, in the prior art, the wheels of general vehicle models can only perform simple forward and backward movements and it is difficult to achieve free steering like real vehicles. Therefore, when moving a vehicle model, external force is still needed to move the vehicle model, and it is difficult to freely move the vehicle model by relying on its own structure. For this reason, there is an urgent need to provide a model car steering mechanism to realize the steering operation of the vehicle model. Summary of the Utility Model

[0004] One advantage of the utility model is to provide a model car steering mechanism, in which a linkage gear set composed of a large gear and a small gear is driven by a steering wheel as a power source to drive a movable rod to translate left and right along a sleeve rod, thereby changing the angles of the connecting rods at both ends of the sleeve rod, changing the direction of the wheel hub frame connected to the connecting rod, and realizing the steering operation. Furthermore, the tires of the vehicle model can be freely steered by relying on the structure of the vehicle model itself, so that the vehicle can move without external force and is more convenient to move.

[0005] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided:

[0006] A model car steering mechanism, comprising:

[0007] A connecting frame as a connecting base frame, a rotating shaft rod is rotatably connected inside the connecting frame, a driven conical gear is connected to the bottom of the shaft rod, and the shaft rod rotates synchronously with the driven conical gear;

[0008] A steering adjustment component, connected to the shaft rod and acting synchronously with the shaft rod;

[0009] A driven component, acting following the steering adjustment component to adjust the steering direction of the model car;

[0010] A power component, connected to the connecting frame to provide power as the input power end of the steering action;

[0011] A speed reduction component, connected to the connecting frame and acting following the power component to reduce the input power and ensure the operation stability.

[0012] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: The steering adjustment component includes a driving pulley connected to the top of the shaft rod. A transmission belt is sleeved outside the driving pulley, and the other end of the transmission belt is connected to a driven pulley. A support rod is connected to the bottom of the driven pulley, and a transmission gear is connected to the outside of the bottom end of the support rod.

[0013] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: The driven component includes a sleeve rod connected to the connecting frame. A movable rod is slidably connected inside the sleeve rod, and both ends of the movable rod extend to the outside of the sleeve rod. A rack that is in transmission cooperation with the transmission gear is connected to the central position of the movable rod.

[0014] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: The movable rod moves left and right along the inside of the sleeve rod following the rack, and connecting rods are hinged to both ends of the movable rod. The ends of the connecting rods are connected to the wheel hub frame through hinge seats.

[0015] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: A sleeve frame that is communicated with the sleeve rod is connected to the outside of the sleeve rod. The sleeve frame covers the outside of the transmission gear, and the support rod is rotatably connected inside the sleeve frame.

[0016] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: To facilitate the connection of the power component, a support is integrally formed and connected to the outside of the connecting frame.

[0017] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: The power component includes a rotating rod rotatably connected to the support. A steering wheel is connected to the top of the rotating rod, and a large gear is connected to the bottom of the rotating rod.

[0018] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: A small gear that is in meshing transmission cooperation with the large gear is rotatably connected to the top of the support, and a first connecting rod is provided at the bottom of the small gear.

[0019] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: The speed reduction component includes a worm connected to the first connecting rod and a worm gear that is in transmission cooperation with the worm. The worm moves synchronously with the first connecting rod. The worm gear is rotatably connected to the outside of the connecting frame through a second connecting rod. The second connecting rod extends into the connecting frame, and an active bevel gear that is in transmission cooperation with the driven bevel gear is connected to the end of the second connecting rod.

[0020] As a preferred embodiment of the steering mechanism of the model car described in the present utility model, the following is provided: A rubber sleeve is covered on the outside of the steering wheel, and anti-slip grooves that crisscross are provided on the outside of the rubber sleeve.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] The linkage gear set composed of a large gear and a small gear is driven by the steering wheel as a power source to drive the movable rod to translate left and right along the sleeve rod, thereby changing the angles of the connecting rods at both ends of the sleeve rod, causing the direction of the wheel hub frame connected to the connecting rod to change, realizing the steering operation. Furthermore, the tires of the vehicle model can be freely steered by relying on the structure of the vehicle model itself, enabling the vehicle to move without the need for external force and making it more convenient to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the overall structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 Schematic diagram of a partial structure;

[0025] Figure 3 For the present invention Figure 2 Schematic diagram of a partial structure;

[0026] Figure 4 For the present invention Figure 2 Explosion structure diagram;

[0027] Figure 5 Schematic diagram of the structure of part A of the present invention.

[0028] In the figures: 100 connecting frame, 101 bracket, 110 shaft rod, 111 driven bevel gear, 200 steering adjustment component, 210 driving pulley, 211 transmission belt, 212 driven pulley, 220 support rod, 230 transmission gear, 300 driven component, 310 sleeve rod, 311 sleeve frame, 320 movable rod, 321 rack, 322 connecting rod, 330 wheel hub frame, 331 hinge seat, 400 power component, 410 rotating rod, 411 steering wheel, 420 large gear, 421 small gear, 422 connecting rod one, 500 speed reduction component, 510 worm, 520 worm wheel, 521 connecting rod two, 522 driving bevel gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be applied to other implementation schemes, variant schemes, improvement schemes, equivalent schemes, and other technical schemes that do not depart from the spirit and scope of the present invention.

[0030] Those skilled in the art should understand that in the disclosure of this utility model, the orientation or positional relationship indicated by terms such as "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this utility model 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. Therefore, the above terms should not be construed as limitations on this utility model.

[0031] It can be understood that the term "one" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of one element can be one, while in other embodiments, the number of this element can be multiple. The term "one" should not be construed as a limitation on the quantity.

[0032] Please refer to Figures 1-5 , including a connecting frame 100, a steering adjustment component 200, a driven component 300, a power component 400, and a speed reduction component 500;

[0033] Please continue to refer to Figure 1 , as the connecting frame 100 serving as the connecting base frame, a shaft rod 110 is rotatably connected inside the connecting frame 100. A driven bevel gear 111 is connected to the bottom of the shaft rod 110, and the shaft rod 110 rotates synchronously with the driven bevel gear 111;

[0034] For the convenience of connecting the power component 400, a bracket 101 is integrally formed and connected to the outside of the connecting frame 100;

[0035] Please continue to refer to Figures 1-4 , the steering adjustment component 200 is connected to the shaft rod 110 and moves synchronously with the shaft rod 110;

[0036] The steering adjustment component 200 includes a driving pulley 210 connected to the top of the shaft rod 110. The driving pulley 210 rotates with the shaft rod 110. A transmission belt 211 is sleeved on the outside of the driving pulley 210. The other end of the transmission belt 211 is connected to a driven pulley 212. A support rod 220 is connected to the bottom of the driven pulley 212, and a transmission gear 230 is connected to the outside of the bottom end of the support rod 220;

[0037] When the shaft rod 110 rotates, it drives the driving pulley 210 to rotate, and then drives the transmission belt 211 and the driven pulley 212 to move synchronously, causing the transmission gear 230 to rotate;

[0038] Please continue to refer to Figure 1 , Figure 3 and Figure 5 , the driven component 300 moves following the steering adjustment component 200 to adjust the steering direction of the model car;

[0039] The driven component 300 includes a sleeve rod 310 that is screwed and fitted with the connecting frame 100. An actuating rod 320 is slidably connected inside the sleeve rod 310. Both ends of the actuating rod 320 extend to the outside of the sleeve rod 310. A rack 321 that is in transmission cooperation with the transmission gear 230 is connected to the central position of the actuating rod 320. The actuating rod follows the rack 321 and translates left and right inside the sleeve rod 310. Connecting rods 322 are hinged to both ends of the actuating rod 320. The ends of the connecting rods 322 are connected to the hub frame 330 through hinge seats 331.

[0040] When the transmission gear 230 rotates, it cooperates with the rack 321 to drive the actuating rod 320 to translate left and right inside the sleeve rod 310, thereby changing the angles of the connecting rods 322 at both ends of the sleeve rod 310, causing the direction of the hub frame 330 connected to the connecting rods 322 to change, and realizing the steering operation.

[0041] A sleeve frame 311 that is connected to the outside of the sleeve rod 310 and is communicated with the sleeve rod 310 is connected to the outside of the sleeve rod 310. The sleeve frame 311 covers the outside of the transmission gear 230. The support rod 220 is rotatably connected inside the sleeve frame 311.

[0042] Please continue to refer to Figure 1 、 Figure 2 and Figure 4 , the power component 400 is connected to the connecting frame 100 to provide power and serves as the input power end for the steering action.

[0043] The power component 400 includes a rotating rod 410 that is rotatably connected to the bracket 101. A steering wheel 411 is connected to the top of the rotating rod 410. A large gear 420 is sleeved on the bottom of the rotating rod 410. A small gear 421 that is in meshing transmission cooperation with the large gear 420 is rotatably connected to the top of the bracket 101. A connecting rod one 422 is threadedly connected to the bottom of the small gear 421.

[0044] The steering wheel 411 drives the linkage gear set composed of the large gear 420 and the small gear 421 to rotate, thereby driving the worm 510 connected to the connecting rod one 422 to rotate synchronously.

[0045] Please continue to refer to Figure 1 、 Figure 2 and Figure 4 , the speed reduction component 500 is connected to the connecting frame 100 and moves following the power component 400 to reduce the input power and ensure the running stability.

[0046] The speed reduction component 500 includes a worm 510 connected to the connecting rod one 422 and a worm gear 520 that is in transmission cooperation with the worm 510. The worm 510 moves synchronously with the connecting rod one 422. The worm gear 520 is rotatably connected to the outside of the connecting frame 100 through a connecting rod two 521. The connecting rod two 521 extends into the connecting frame 100. A driving bevel gear 522 that is in transmission cooperation with the driven bevel gear 111 is connected to the end of the connecting rod two 521.

[0047] The worm 510 follows the synchronous movement of the connecting rod 1 422, drives the worm wheel 520 and the driving bevel gear 522 to move synchronously, and further drives the shaft rod 110 to rotate.

[0048] Working principle: When the utility model is in use, the steering wheel 411 drives the linkage gear set composed of the large gear 420 and the small gear 421 to rotate, and then drives the worm 510 connected to the connecting rod 1 422 to rotate synchronously. The worm 520 drives the worm wheel 520 and the driving bevel gear 522 to move synchronously, so that the shaft rod 110 rotates within the connecting frame 100. The rotation of the shaft rod 110 drives the driving pulley 210 to rotate, and then drives the transmission belt 211 and the driven pulley 212 to move synchronously, so that the transmission gear 230 rotates. When the transmission gear 230 rotates, it cooperates with the rack 321 to drive the movable rod 320 to translate left and right along the sleeve rod 310, and then changes the angles of the connecting rods 322 at both ends of the sleeve rod 310, so that the direction of the wheel hub frame 330 connected to the connecting rod 322 is changed, realizing the steering operation.

[0049] Those skilled in the art should understand that the embodiments of the utility model described above and shown in the drawings are only examples and do not limit the utility model. The advantages of the utility model have been fully and effectively realized. The functions and structural principles of the utility model have been shown and described in the embodiments. Without departing from the said principles, any deformation or modification can be made to the embodiments of the utility model.

Claims

1. A model car steering mechanism, characterized in that: include: A connecting frame (100) is used as a connecting frame, a shaft rod (110) is rotatably connected inside the connecting frame (100), a bottom of the shaft rod (110) is connected to a driven conical tooth (111), and the shaft rod (110) rotates synchronously with the driven conical tooth (111); A steering adjustment component (200) is connected to the shaft (110) and moves synchronously with the shaft (110); The driven component (300) follows the movement of the steering adjustment component (200) to adjust the steering direction of the model car; A power component (400) is connected to the connecting frame (100) to provide power and serve as a power input end for the steering action; The deceleration component (500) is connected to the connection frame (100) and moves along with the power component (400) to decelerate the input power and ensure the running stability.

2. The model car steering mechanism according to claim 1, characterized in that: The steering adjustment component (200) comprises a driving pulley (210) connected to the top of the shaft (110), a transmission belt (211) is sleeved on the outer side of the driving pulley (210), the other end of the transmission belt (211) is connected to a driven pulley (212), the bottom of the driven pulley (212) is connected to a support rod (220), and the outer side of the bottom end of the support rod (220) is connected to a transmission gear (230).

3. The model car steering mechanism according to claim 1, characterized in that: The driven component (300) comprises a sleeve rod (310) connected to the connecting frame (100), a movable rod (320) being slidably connected inside the sleeve rod (310), both ends of the movable rod (320) extending to the outside of the sleeve rod (310), and a rack (321) which is in transmission cooperation with the transmission gear (230) being connected to the center of the movable rod (320).

4. The model car steering mechanism according to claim 3, characterized in that: The movable rod follows the rack (321) to translate left and right inside the sleeve rod (310), and connecting rods (322) are hinged at both ends of the movable rod (320), and the ends of the connecting rods (322) are connected to the hub frame (330) through hinge seats (331).

5. The model car steering mechanism according to claim 3, characterized in that: The outer side of the sleeve rod (310) is connected to a sleeve frame (311) arranged in communication with the sleeve rod (310), the sleeve frame (311) covers the outer side of the transmission gear (230), and the support rod (220) is rotatably connected inside the sleeve frame (311).

6. The model car steering mechanism according to claim 1, characterized in that: In order to facilitate the connection of the power component (400), a bracket (101) is integrally formed and connected to the outer side of the connecting frame (100).

7. The model car steering mechanism according to claim 1, characterized in that: The power component (400) comprises a rotating rod (410) rotatably connected to the bracket (101), the top of the rotating rod (410) is connected to the steering wheel (411), and the bottom of the rotating rod (410) is connected to the large gear (420).

8. The model car steering mechanism according to claim 6, characterized in that: The top of the bracket (101) is rotatably connected to a small gear (421) meshing with the large gear (420) for transmission, and a connecting rod (422) is arranged at the bottom of the small gear (421).

9. The model car steering mechanism according to claim 1, characterized in that: The deceleration component (500) includes a worm (510) connected to the connecting rod (422) and a worm wheel (520) that cooperates with the worm (510). The worm (510) moves synchronously with the connecting rod (422). The worm wheel (520) is rotatably connected to the outside of the connecting frame (100) through the connecting rod (521). The connecting rod (521) extends into the connecting frame (100). The end of the connecting rod (521) is connected to an active conical tooth (522) that cooperates with the driven conical tooth (111).

10. The model car steering mechanism according to claim 7, characterized in that: The steering wheel (411) is covered with a rubber sleeve on the outside, and the rubber sleeve is provided with crisscross anti-skid grooves on the outside.

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