Middle high-performance gearbox of model car

Abstract

The utility model relates to the technical field of model car centrally-mounted high-performance gear boxes, in particular to a model car centrally-mounted high-performance gear box which comprises a first shell and countersunk bolts, the left side of the first shell is in threaded connection with the outer walls of the countersunk bolts, and the right side of the first shell is connected with an installation structure. A first bearing is fixedly connected to the upper portion of the inner wall of the first shell, the inner side of a first bottom plate and the inner side of a second bottom plate are attached to the bottoms of the front side and the rear side of the second shell correspondingly in a mounting structure, and then a first round head bolt penetrates through the first bottom plate in a right front-back threaded mode to be fixed to the second shell in a threaded mode; second round head bolts penetrate through the second bottom plate from back to front in a threaded mode to be in threaded connection with the outer wall of the second shell, outer wall connecting openings of the first bottom plate and the second bottom plate are attached to the connecting position of the model car, screws are matched for fixing the first bottom plate and the second bottom plate, the original installation form and size are changed, the stability of the model car is guaranteed through the middle-arranged high-performance gearbox, and the service life of the model car is prolonged. And the service life of the middle high-performance gearbox is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of high-performance mid-mounted gearboxes for model cars, and particularly relates to a high-performance mid-mounted gearbox for model cars. Background Art

[0002] The high-performance mid-mounted gearbox of a model car is a core component of the vehicle, located between the clutch and the central transmission device, and shoulders the important task of changing the speed ratio and the direction of motion. It is widely used in automobiles, tractors, ships, machine tools and various machinery, and adapts to various driving conditions by adjusting torque, speed and the direction of motion. The gearbox is mainly divided into three types: manual transmission, continuously variable transmission and synchronizer gearbox. However, a model car is a kind of game car, which is used to provide players with a feeling of driving a real-life car. In a simulated climbing car, at present, most of the high-performance mid-mounted gearboxes of the climbing cars on the market have a relatively high center of gravity and a relatively large volume, and are prone to rollover and collision. Such a high-performance mid-mounted gearbox will make the model car less stable and shorten the service life of the high-performance mid-mounted gearbox. Content of the Utility Model

[0003] The purpose of the utility model is to solve the problem that the high-performance mid-mounted gearbox makes the model car less stable and shortens the service life of the high-performance mid-mounted gearbox, and to provide a high-performance mid-mounted gearbox for model cars.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] Design a high-performance mid-mounted gearbox for model cars, including a first housing and countersunk bolts. The left side of the first housing is threadedly connected to the outer wall of a plurality of countersunk bolts. The right side of the first housing is connected with an installation structure. Above the inner wall of the first housing, a first bearing is fixedly connected. Below the inner wall of the first housing, a second bearing is fixedly connected. Inside the inner wall of the first bearing, a first spur gear is rotatably connected. Above the outer wall of the first spur gear, a second spur gear is meshingly connected.

[0006] Preferably, the installation structure includes a second housing and a first bottom plate. The left side of the second housing is in contact with the right side of the first housing. The bottom of the front surface of the second housing is in contact with the first bottom plate. The outer wall of the first bottom plate is threadedly connected to a first round head bolt. The bottom of the rear end surface of the second housing is in contact with a second bottom plate. The inner wall of the second bottom plate is threadedly connected to a second round head bolt.

[0007] Preferably, the left side of the second housing is threadedly connected to the right side of the outer wall of the countersunk bolt. The rear of the outer wall of the first round head bolt is threadedly connected to the outer wall of the second housing. The front of the outer wall of the second round head bolt is threadedly connected to the rear of the outer wall of the second housing.

[0008] Preferably, a washer is attached to the upper right side of the second housing, and a round cover is inserted into the upper right side of the second housing.

[0009] Preferably, a motor is provided on the left side of the first housing. The output shaft of the motor is fixedly connected to the inner wall of the second spur gear. A motor gear is meshed with the bottom of the outer wall of the first spur gear, and a rotating shaft is inserted into the inner wall of the motor gear in cooperation with a positioning pin.

[0010] Preferably, the left side of the outer wall of the rotating shaft is fixedly connected to the inner wall of the second bearing. The right side of the outer wall of the bearing is fixedly connected to a fourth bearing. The right side of the outer wall of the first spur gear is fixedly connected to a third bearing. The outer walls of the third bearing and the fourth bearing are respectively fixedly connected to the upper and lower sides of the inner wall of the second housing.

[0011] A high-performance mid-mounted gearbox for a model car proposed by the present utility model has the beneficial effects that: through the installation structure, the inner sides of the first bottom plate and the second bottom plate are respectively attached to the front and rear bottom sides of the second housing, and then the first round head bolt is threaded through the first bottom plate from right to left and fixedly connected to the second housing by threading. The second round head bolt is threaded through the second bottom plate from back to front and threadedly connected to the outer wall of the second housing. Then, the connection ports of the outer walls of the first bottom plate and the second bottom plate are attached to the connection part of the model car, and the two are fixed by screws. The original installation form and volume are changed, so that the mid-mounted high-performance gearbox ensures the stability of the model car and guarantees the service life of the mid-mounted high-performance gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is Figure 1 a schematic structural diagram of the connection relationship among the motor, the first housing and the second housing;

[0014] Figure 3 is Figure 1 a schematic structural diagram of the connection relationship among the second housing, the first bottom plate and the first round head bolt;

[0015] Figure 4 is Figure 1 a schematic structural diagram of the connection relationship among the second housing, the first bottom plate and the second bottom plate.

[0016] In the figure: 1. First housing, 2. Installation structure, 201. Second housing, 202. First bottom plate, 203. Second bottom plate, 204. First round head bolt, 205. Second round head bolt, 3. Countersunk head bolt, 4. First bearing, 5. Second bearing, 6. First spur gear, 7. Second spur gear, 8. Rotating shaft, 9. Positioning pin, 10. Motor gear, 11. Third bearing, 12. Fourth bearing, 13. Washer, 14. Round cover, 15. Motor. Detailed implementation mode

[0017] The present utility model will be further described below with reference to the accompanying drawings:

[0018] Please refer to Figures 1-4 : In this embodiment, a high-performance mid-mounted gearbox for a model car includes a first housing 1 and countersunk bolts 3. The left side of the first housing 1 is threadedly connected to the outer walls of a plurality of countersunk bolts 3. The right side of the first housing 1 is connected with an installation structure 2. Above the inner wall of the first housing 1, a first bearing 4 is fixedly connected. Below the inner wall of the first housing 1, a second bearing 5 is fixedly connected. The inner wall of the first bearing 4 is rotationally connected with a first spur gear 6. While the first bearing 4 supports the first spur gear 6, it can make the first spur gear 6 rotate. Above the outer wall of the first spur gear 6, a second spur gear 7 is meshingly connected.

[0019] The installation structure 2 includes a second housing 201 and a first base plate 202. The left side of the second housing 201 is in contact with the right side of the first housing 1. The bottom of the front surface of the second housing 201 is in contact with the first base plate 202. The outer wall of the first base plate 202 is threadedly connected with a first round head bolt 204. The first round head bolt 204 plays a role in fixing the first base plate 202 and the second housing 201. The bottom of the rear end surface of the second housing 201 is in contact with a second base plate 203. The inner wall of the second base plate 203 is threadedly connected with a second round head bolt 205. The left side of the second housing 201 is threadedly connected to the right outer wall of the countersunk bolt 3. The second round head bolt 205 plays a role in fixing the second housing 201 and the second base plate 203. The rear of the outer wall of the first round head bolt 204 is threadedly connected to the outer wall of the second housing 201. The front of the outer wall of the second round head bolt 205 is threadedly connected to the rear of the outer wall of the second housing 201. Above the right side of the second housing 201, a washer 13 is in contact. The washer 13 plays a role in connecting and sealing between the second housing 201 and the round cover 14. Above the right side of the second housing 201, a round cover 14 is inserted.

[0020] On the left side of the first housing 1, there is a motor 15. The model of the motor 15 is selected according to the usage requirements. The output shaft of the motor 15 is fixedly connected to the inner wall of the second spur gear 7. Below the outer wall of the first spur gear 6, a motor gear 10 is meshingly connected. A rotating shaft 8 is inserted into the inner wall of the motor gear 10 through a positioning pin 9. The left side of the outer wall of the rotating shaft 8 is fixedly connected to the inner wall of the second bearing 5. The first bearing 4, the second bearing 5, the third bearing 11 and the fourth bearing 12 are all composed of an outer ring, an inner ring and balls. The two rings need to be fixedly connected to the connection points to ensure the rotation of the connected objects. The right side of the outer wall of the rotating shaft 8 is fixedly connected with a fourth bearing 12. The right side of the outer wall of the first spur gear 6 is fixedly connected with a third bearing 11. The outer walls of the third bearing 11 and the fourth bearing 12 are respectively fixedly connected to the upper and lower sides of the inner wall of the second housing 201.

[0021] Working principle:

[0022] Installation of a high-performance mid-mounted gearbox in a model car:

[0023] Pass the output shaft of the motor 15 through the first housing 1. At the same time, the second spur gear 7 is sleeved on the outer wall of the output shaft of the motor 15, and then the output shaft of the motor 15 and the second spur gear 7 are fixed by screws. Then, the outer walls of the first bearing 4 and the second bearing 5 are inserted into the inner wall of the first housing 1. Then, the left side of the outer wall of the first spur gear 6 is inserted into the inner wall of the first bearing 4. At this time, the left side of the outer wall of the first spur gear 6 is meshed and connected with the outer wall of the second spur gear 7. Then, the motor gear 10 is sleeved on the outer wall of the rotating shaft 8 and fixed by a dowel pin 9. Subsequently, the left side of the outer wall of the rotating shaft 8 is inserted into the inner wall of the second bearing 5. At this time, the outer wall of the motor gear 10 is meshed and connected with the right side of the outer wall of the first spur gear 6. Then, the left side of the second housing 201 is attached to the right side of the first housing 1. At this time, the third bearing 11 on the inner wall of the second housing 201 is fixedly connected to the right side of the outer wall of the first spur gear 6, and the inner wall of the fourth bearing 12 is fixedly connected to the right side of the outer wall of the rotating shaft 8. Then, the countersunk head bolt 3 is threaded through the first housing 1 and threadedly connected to the second housing 201. Finally, the inner wall of the washer 13 is sleeved on the left side of the outer wall of the round cover 14, and the left side of the outer wall of the round cover 14 is inserted into the upper right side of the second housing 201.

[0024] Installation of a high-performance mid-mounted gearbox in a model car:

[0025] Make the inner sides of the first bottom plate 202 and the second bottom plate 203 respectively fit against the front and rear bottom sides of the second housing 201. Then, the first round head bolt 204 is threaded through the first bottom plate 202 from right front to back and threadedly fixed to the second housing 201. The second round head bolt 204 is threaded through the second bottom plate 203 from back to front and threadedly connected to the outer wall of the second housing 201. Then, the connection ports on the outer walls of the first bottom plate 202 and the second bottom plate 203 are fitted against the connection part of the model car, and the two are fixed with screws.

[0026] Through the installation structure 2, make the inner sides of the first bottom plate 202 and the second bottom plate 203 respectively fit against the front and rear bottom sides of the second housing 201. Then, the first round head bolt 204 is threaded through the first bottom plate 202 from right front to back and threadedly fixed to the second housing 201. The second round head bolt 204 is threaded through the second bottom plate 203 from back to front and threadedly connected to the outer wall of the second housing 201. Then, the connection ports on the outer walls of the first bottom plate 202 and the second bottom plate 203 are fitted against the connection part of the model car, and the two are fixed with screws, changing the original installation form and volume, ensuring the stability of the model car by the mid-mounted high-performance gearbox, and ensuring the service life of the mid-mounted high-performance gearbox.

[0027] The motor 15 is powered on and operates. The output shaft of the motor 15 drives the second spur gear 7 to rotate. The rotating second spur gear 7 drives the first spur gear 6 to rotate on the inner walls of the first bearing 4 and the third bearing 11. At this time, the first spur gear 6 causes the motor gear 10 to rotate. The rotating motor gear 10 drives the rotating shaft 8 to rotate on the inner walls of the second bearing 5 and the fourth bearing 12. The right side of the outer wall of the rotating shaft 8 can drive the rotating structure connected inside the model car to work.

[0028] Although the present utility model has been illustrated and described with reference to the preferred embodiments, those of ordinary skill in the art should understand that various changes in form and details may be made within the scope of the claims.

Claims

1. A model car mid-mounted high-performance gearbox, comprising a first housing (1) and countersunk bolts (3), wherein the left side of the first housing (1) is threadedly connected to the outer wall of a plurality of countersunk bolts (3), characterized in that: The right side of the first shell (1) is connected to a mounting structure (2); a first bearing (4) is fixedly connected to the upper part of the inner wall of the first shell (1); a second bearing (5) is fixedly connected to the lower part of the inner wall of the first shell (1); a first spur gear (6) is rotatably connected to the inner wall of the first bearing (4); and a second spur gear (7) is meshingly connected to the upper part of the outer wall of the first spur gear (6).

2. A model car mid-mounted high-performance gearbox according to claim 1, characterized in that: The mounting structure (2) comprises a second shell (201) and a first base plate (202); the left side of the second shell (201) is fitted with the right side of the first shell (1); the front bottom of the second shell (201) is fitted with the first base plate (202); the outer wall of the first base plate (202) is threadedly connected with a first round head bolt (204); the rear end bottom of the second shell (201) is fitted with a second base plate (203); the inner wall of the second base plate (203) is threadedly connected with a second round head bolt (205).

3. A model car mid-mounted high-performance gearbox according to claim 2, characterized in that: The left side of the second shell (201) is threadedly connected to the right side of the outer wall of the countersunk bolt (3), the rear side of the outer wall of the first round head bolt (204) is threadedly connected to the outer wall of the second shell (201), and the front side of the outer wall of the second round head bolt (205) is threadedly connected to the rear side of the outer wall of the second shell (201).

4. A model car mid-mounted high-performance gearbox according to claim 2, characterized in that: A gasket (13) is attached to the upper right side of the second shell (201), and a round cover (14) is inserted into the upper right side of the second shell (201).

5. A model car mid-mounted high-performance gearbox according to claim 1, characterized in that: A motor (15) is provided on the left side of the first housing (1), the output shaft of the motor (15) is fixedly connected to the inner wall of the second spur gear (7), the bottom of the outer wall of the first spur gear (6) is meshedly connected with a motor gear (10), and the inner wall of the motor gear (10) is plugged with a rotating shaft (8) in cooperation with a positioning pin (9).

6. A model car mid-mounted high-performance gearbox according to claim 5, characterized in that: The left side of the outer wall of the rotating shaft (8) is fixedly connected to the inner wall of the second bearing (5), the right side of the outer wall of the rotating shaft (8) is fixedly connected to the fourth bearing (12), the right side of the outer wall of the first spur gear (6) is fixedly connected to the third bearing (11), and the outer walls of the third bearing (11) and the fourth bearing (12) are respectively fixedly connected to the upper and lower sides of the inner wall of the second housing (201).

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