CN216242082U - Two-gear speed change conversion structure and power assembly for model vehicle - Google Patents
Two-gear speed change conversion structure and power assembly for model vehicle Download PDFInfo
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- CN216242082U CN216242082U CN202122511364.4U CN202122511364U CN216242082U CN 216242082 U CN216242082 U CN 216242082U CN 202122511364 U CN202122511364 U CN 202122511364U CN 216242082 U CN216242082 U CN 216242082U
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Abstract
The utility model discloses a two-gear speed change conversion structure, which comprises: two grades of variable speed conversion structures include: the first gear set is provided with a first input gear and a first output gear, and the first input gear is connected with a driving device for providing power output; the second gear set is provided with a second input gear and a second output gear, and the second input gear is connected with the first output gear; the output assembly comprises an output shaft and a set of teeth, the first output gear and the second output gear are respectively positioned in the extending direction of the output shaft, and the set of teeth can be sleeved on the output shaft in a sliding manner along the extending direction of the output shaft and are positioned between the first output gear and the second output gear; the mechanical energy in the driving device can be selectively output to the rotating shaft through two different gears along with the control of a user.
Description
Technical Field
The utility model relates to the technical field of model vehicles, in particular to a two-gear speed change conversion structure and a power assembly for the model vehicle.
Background
The car model, i.e. the car model, is a proportional model manufactured by strictly scaling down according to the shape, structure and color of the real car, even the interior parts. In order to faithfully reproduce a real automobile, a model maker does not make any modification or exaggeration to the appearance of a prototype automobile, and does not even imagine an automobile by the air. Many toy vehicles may also simulate a real vehicle, but manufacturers may modify the vehicle as desired, and as desired, according to customer preferences and manufacturing specifications. The toy designer can also fully exert imagination to deduce a car not in reality, but the imagination is 'not allowed' for the car model. In addition to the overall appearance, the automobile model should also be highly simulated in detail, often the whole automobile model will be composed of hundreds or even more parts, each part is the reduction of the corresponding part of the original automobile model, the more parts of the automobile model are, the thinner the parts are, and the higher the manufacturing process of the automobile model is. While the detail expression of a toy car is far from reaching the level of a car model, much of the detail is omitted or made together from the same piece of material. The car model truly reproduces the main characteristics of the original car, is fine in working, contains car culture and has high collection value.
Most automobile models are authorized by real automobile manufacturers, the appearance of the automobile models is almost the same as that of a real automobile, the simulation degree is very high, but the power output mode inside the automobile models can be different from that of the real automobile, most of the existing automobile models on the market are mainly provided with motors as driving devices, most of the automobile models can only move at a constant speed, different automobile speeds cannot be achieved through gear shifting like the real automobile, and the model automobile has poor simulation.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a two-gear speed change conversion structure and a power assembly for a model car, which can selectively output mechanical energy in a driving device to a rotating shaft through two different gears along with the control of a user.
A two-speed shift change structure according to an embodiment of a first aspect of the utility model includes: the first gear set is provided with a first input gear and a first output gear, the first input gear is in transmission connection with the first output gear, and the first input gear is connected with a driving device for providing power output; the second gear set is provided with a second input gear and a second output gear, the second input gear is in transmission connection with the second output gear, and the second input gear is connected with the first output gear; the output assembly comprises an output shaft and a sleeve gear, the first output gear and the second output gear are respectively located in the extending direction of the output shaft, the sleeve gear can be sleeved on the output shaft in a sliding mode along the extending direction of the output shaft and is located between the first output gear and the second output gear, when the sleeve gear is close to and connected with the first output gear in a sliding mode, the first output gear can drive the output shaft to rotate through the sleeve gear, and when the sleeve gear is close to and connected with the second output gear in a sliding mode, the second output gear can drive the output shaft to rotate through the sleeve gear.
The two-gear speed change conversion structure provided by the embodiment of the utility model has the following beneficial effects:
through the first gear set and the second gear set, the first input gear on the first gear set is connected with a driving device for providing power output, the first gear set can transmit the power on the driving device to the first output gear, the second input gear on the second gear set is connected with the first output gear, the second gear set can transmit the power in the first output gear to the second output gear, and the first output gear and the second output gear are positioned at two sides of the sleeve gear, when a user controls the sleeve gear to be slidingly close to and connected with the first output gear, the first output gear can drive the output shaft to rotate at the rotating speed of the first gear through the sleeve gear, when the user controls the sleeve gear to be slidingly close to and clamped with the second output gear, the second output gear can drive the output shaft to rotate at the rotating speed of the second gear through the sleeve gear, and the user can control according to the user, the sleeve gear is connected to the first output gear or the second output gear, so that mechanical energy in the driving device is selectively output to the rotating shaft through two different gears.
According to some embodiments of the present invention, the second gear set includes a transmission shaft and a first transmission gear, the first transmission gear and a second input gear are both fixed on the transmission shaft, the second output gear is rotatably sleeved on the output shaft, the second input gear is engaged with the first output gear, and the first transmission gear is engaged with the second output gear.
According to some embodiments of the utility model, a limit spring is arranged between the second input gear and the first transmission, and the limit spring is sleeved on the transmission shaft.
According to some embodiments of the present invention, a first latch and a second latch are disposed on the transmission shaft, the second input gear is engaged with the first latch, and the first transmission gear is engaged with the second latch.
According to some embodiments of the present invention, the first gear set includes a second transmission gear, the first output gear is rotatably sleeved on the output shaft, the second transmission gear is engaged with the first output gear, and the second transmission gear is configured to drive the first output gear to rotate.
According to some embodiments of the present invention, the first gear set further includes a third transmission gear, the third transmission gear is rotatably sleeved on the output shaft, the third transmission gear is respectively engaged with the first input gear and the second transmission gear, and the first input gear can drive the third transmission gear to rotate so as to drive the second transmission gear to rotate.
According to some embodiments of the present invention, the driving device further comprises a control assembly, wherein the control assembly comprises a driver, a connecting member and a linkage rod, the connecting member is relatively rotatably clamped on the set of teeth, one end of the linkage rod is connected with the connecting member, the other end of the linkage rod is connected with the driver, and the driver drives the connecting member to move along the extending direction of the output shaft through the linkage rod, so as to drive the set of teeth to slidably approach the first output gear or the second output gear.
According to some embodiments of the present invention, a first engaging groove and a second engaging groove are respectively disposed on two sides of the set of teeth, a first engaging tooth adapted to the first output gear is disposed on an inner peripheral side of the first engaging groove, and a second engaging tooth adapted to the second output gear is disposed on an inner peripheral side of the second engaging groove.
According to some embodiments of the utility model, the joint of the output shaft and the sleeve gear is a hexagonal prism structure, a through hole penetrates through the middle of the sleeve gear, and the through hole is in a hexagonal structure and is matched with the hexagonal prism structure in the output shaft.
A powertrain for a model vehicle, comprising: the driving device is used for providing power output; the two-gear speed change conversion structure is arranged; the two-gear speed change conversion structure is connected with the driving device.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic perspective view of a powertrain for a model car according to an embodiment of the present invention;
FIG. 2 is a perspective view of the two-speed shift conversion structure according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of the two speed shift conversion structure shown in FIG. 2;
FIG. 4 is a perspective view of the two speed shift switching arrangement and control assembly illustrated in FIG. 2;
fig. 5 is a perspective view of the coupling and set tooth combination shown in fig. 4.
Reference numerals:
110 a first input gear, 120 a first output gear, 130 a second transmission gear, 140 a third transmission gear,
210 a second input gear, 220 a second output gear, 230 a transmission shaft, 231 a first bolt, 232 a second bolt, 240 a first transmission gear, 250 a limit spring,
300 output component, 310 output shaft, 320 set of teeth,
400 driving device,
500 control components, 510 drivers, 520 connections, 530 traces.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
A power unit for a model car having a two-speed gear shift structure according to an embodiment of the present invention will be described with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the two-speed shift conversion structure according to the embodiment of the present invention includes: a first gear set, a second gear set, and an output assembly 300.
The first gear set is provided with a first input gear 110 and a first output gear 120, the first input gear 110 is in transmission connection with the first output gear 120, and the first input gear 110 is connected with a driving device 400 for providing power output; a second input gear 210 and a second output gear 220 are arranged on the second gear set, the second input gear 210 is in transmission connection with the second output gear 220, and the second input gear 210 is connected with the first output gear 120; the output assembly 300 includes an output shaft 310 and a sleeve gear 320, the first output gear 120 and the second output gear 220 are respectively located in the extending direction of the output shaft 310, the sleeve gear 320 is slidably sleeved on the output shaft 310 along the extending direction of the output shaft 310 and is located between the first output gear 120 and the second output gear 220, wherein when the sleeve gear 320 is slidably close to and connected with the first output gear 120, the first output gear 120 can drive the output shaft 310 to rotate through the sleeve gear 320, and when the sleeve gear 320 is slidably close to and connected with the second output gear 220, the second output gear 220 can drive the output shaft 310 to rotate through the sleeve gear 320.
For example, as shown in fig. 1 to 5, a first input gear 110 and a first output gear 120 may be provided on a first gear set, the first input gear 110 is configured to be connected with a driving device 400, the first input gear 110 and the first output gear 120 are in gear transmission connection, the first output gear 120 is configured to transmit power of the driving device 400 to a next-stage transmission device, a second output gear 220 and a second input gear 210 may be provided on a second gear set, the second input gear 210 and the second output gear 220 are in gear transmission connection, the second input gear 210 may be connected with the first output gear 120, power of the first output gear 120 may be transmitted to the second gear set through the second input gear 210, the output assembly 300 includes an output shaft 310 and a set gear 320, the first output gear 120 and the second output gear 220 are respectively located in an extending direction of the output shaft 310, the sleeve gear 320 can be sleeved on the output shaft 310 in a back-and-forth sliding manner along the extending direction of the output shaft 310, and the sleeve gear 320 is located between the first output gear 120 and the second output gear 220, wherein when the sleeve gear 320 is slidably close to and connected with the first output gear 120, the first output gear 120 can drive the output shaft 310 to rotate through the sleeve gear 320, and when the sleeve gear 320 is slidably close to and engaged with the second output gear 220, the second output gear 220 can drive the output shaft 310 to rotate through the sleeve gear 320.
In addition, in the present embodiment, the first input gear 110 is connected to the driving device 400, the driving device 400 directly drives the first input gear 110 to rotate, the first gear set can reduce the speed of the output power of the driving device 400 and then transmit the reduced speed to the first output gear 120, and the second gear set can reduce the speed of the output power of the first output gear 120 again and then transmit the reduced speed to the second output gear 220, so that the rotation speed output from the first output gear 120 is the speed of the first gear, and the rotation speed output from the second output gear 220 is the speed of the second gear.
Specifically, the first input gear 110 of the first gear set is connected to the driving device 400 providing power output, the first gear set can transmit power of the driving device 400 to the first output gear 120, the second input gear 210 of the second gear set is connected to the first output gear 120, the second gear set can transmit power of the first output gear 120 to the second output gear 220, and the first output gear 120 and the second output gear 220 are located at two sides of the sleeve gear 320, when the user control sleeve gear 320 is slidingly close to and connected to the first output gear 120, the first output gear 120 can drive the output shaft 310 to rotate at the rotation speed of the first gear through the sleeve gear 320, when the user control sleeve gear 320 is slidingly close to and engaged with the second output gear 220, the second output gear 220 can drive the output shaft 310 to rotate at the rotation speed of the second gear through the sleeve gear 320, the user can connect the set gear 320 to the first output gear 120 or the second output gear 220 according to his own control, so as to selectively output the mechanical energy in the driving device 400 to the rotating shaft through two different gears.
In some embodiments of the present invention, the second gear set includes a transmission shaft 230 and a first transmission gear 240, the first transmission gear 240 and the second input gear 210 are both fixed on the transmission shaft 230, the second output gear 220 is rotatably sleeved on the output shaft 310, the second input gear 210 is engaged with the first output gear 120, and the first transmission gear 240 is engaged with the second output gear 220. For example, as shown in fig. 2 to 4, in the present embodiment, the first output gear 120, the second input gear 210, the first transmission gear 240 and the second output gear 220 are dual gears with the same size, wherein each dual gear is formed by fixing a gear with a larger diameter and a gear with a smaller diameter together or integrally forming the two, the gear with a smaller diameter in the first output gear 120 is engaged with the gear with a larger diameter in the second output gear 220, the first output gear 120 drives the transmission shaft 230 to rotate through the second input gear 210, so as to implement a one-stage reduction transmission, and meanwhile, the gear with a smaller diameter in the first transmission gear 240 is engaged with the gear with a larger size in the second output gear 220, the transmission shaft 230 drives the second output gear 220 to rotate through the first transmission gear 240, so as to implement a two-stage reduction transmission, and to sum up, the power in the first output gear 120 is transmitted to the second output gear 220 through the two-stage reduction of the second gear set, therefore, the rotation speeds of the first output gear 120 and the second output gear 220 are two different gears, and when the model car is used, a user can be connected with the first output gear 120 or the second output gear 220 by controlling the set of teeth 320, so that the output shaft 310 can rotate at the rotation speed of the first output gear 120 or the rotation speed of the second output gear 220, and the model car has two gears with different speeds.
In some embodiments of the present invention, a limit spring 250 is disposed between the second input gear 210 and the first transmission gear 240, and the limit spring 250 is sleeved on the transmission shaft 230. For example, as shown in fig. 2 to 3, in the present embodiment, the second input gear 210 and the first transmission gear 240 are mirror-provided at both ends of the transmission shaft 230, and the limit spring 250 is provided between the second input gear 210 and the first transmission gear 240, wherein the limit spring 250 is in a compressed state, the return elastic force of the limit spring 250 itself can prevent the second input gear 210 and the first transmission gear 240 from sliding in a direction in which they approach each other, and the second input gear 210 and the first transmission gear 240 can be elastically restricted from approaching each other by the limit spring 250 provided between the second input gear 210 and the first transmission gear 240.
In some embodiments of the present invention, the transmission shaft 230 is provided with a first latch 231 and a second latch 232, the second input gear 210 is engaged with the first latch 231, and the first transmission gear 240 is engaged with the second latch 232. For example, as shown in fig. 3, a first latch 231 and a second latch 232 are arranged on the transmission shaft 230, the first latch 231 and the second latch 232 both pass through the transmission shaft 230 and protrude outside the transmission shaft 230, grooves are arranged on the second input gear 210 and the first transmission gear 240, and the first latch 231 and the second latch 232 are respectively clamped in the grooves of the second input gear 210 and the first transmission gear 240, so that the second input gear 210, the first transmission gear 240 and the transmission shaft 230 can synchronously rotate, if the three are regarded as a whole, the whole is equivalent to an extended duplex gear, and the power of the first output gear 120 is transmitted to the second output gear 220 after two-stage speed reduction.
In some embodiments of the present invention, the first gear set includes a second transmission gear 130, the first output gear 120 is rotatably sleeved on the output shaft 310, the second transmission gear 130 is engaged with the first output gear 120, and the second transmission gear 130 is used for driving the first output gear 120 to rotate. For example, as shown in fig. 2 to 4, in this embodiment, the second transmission gear 130 is rotatably sleeved on the transmission shaft 230, the second transmission gear 130, the first output gear 120, the second input gear 210, the first transmission gear 240 and the second output gear 220 are all duplicate gears with the same size, wherein a gear with a smaller diameter in the second transmission gear 130 is meshed with a gear with a larger diameter in the first output gear 120, and the second transmission gear 130 drives the first output gear 120 to rotate, so as to realize speed reduction and power transmission.
In some embodiments of the present invention, the first gear set further includes a third transmission gear 140, the third transmission gear 140 is rotatably sleeved on the output shaft 310, the third transmission gear 140 is respectively engaged with the first input gear 110 and the second transmission gear 130, and the first input gear 110 can drive the third transmission gear 140 to rotate so as to drive the second transmission gear 130 to rotate. For example, as shown in fig. 2 to 4, in the present embodiment, the third transmission gear 140 is rotatably sleeved on the output shaft 310, the third transmission gear 140 is also a duplicate gear, wherein the gear with a larger diameter in the third transmission gear 140 is larger than the diameter of the first input gear 110, and the third input gear 140 and the first input gear are engaged with each other, the first input gear 110 drives the third transmission gear 140 to rotate to realize a first-stage speed reduction, the gear with a smaller diameter in the third transmission gear 140 is engaged with the gear with a larger diameter in the second transmission gear 130, the third transmission gear 140 drives the second transmission gear 130 to rotate to realize a second-stage speed reduction, and the second transmission gear 130 drives the first output gear 120 to rotate, so as to sum up, the first input gear 110 transmits power to the first output gear 120 through the third transmission gear 140 and the second transmission gear 130, three-stage deceleration is realized.
In some embodiments of the present invention, the control assembly 500 further includes a driver 510, a connecting element 520, and a linkage 530, wherein the connecting element 520 is relatively rotatably engaged with the sleeve gear 320, one end of the linkage 530 is connected to the connecting element 520, and the other end of the linkage 530 is connected to the driver 510, and the driver 510 drives the connecting element 520 to move along the extending direction of the output shaft 310 through the linkage 530, so as to drive the sleeve gear 320 to slidably approach the first output gear 120 or the second output gear 220. The driver 510 drives the connecting element 520 to move along the extending direction of the output shaft 310 through the linkage 530, so as to drive the sleeve gear 320 to connect with the first output gear 120 or the second output gear 220. For example, as shown in fig. 1 and 4, one side of the connecting member 520 is a semi-annular structure and is sleeved on one of the set teeth 320, an annular groove is concavely formed on a peripheral side surface of the set tooth 320, one side of the connecting member 520 in the semi-annular structure is clamped in the annular groove of the set tooth 320, meanwhile, the connecting member 520 and the set tooth 320 can rotate relatively, and the connecting member 520 is mainly used for assisting a guide rod to drive the set tooth 320 to be close to the first output gear 120 or the second output gear 220, so that two-gear speed change of the model car is realized. Meanwhile, a driver 510 is disposed at the position of the driving device 400, wherein a linkage 530 is connected between the driver 510 and the connecting element 520, two ends of the linkage 530 are respectively connected to the connecting element 520 and the driver 510, the driver 510 can drive the connecting element 520 to slide back and forth along the extending direction of the output shaft 310 by controlling the linkage 530, when a user wants to shift gears, a control instruction can be sent to the driver 510 by a control handle in hand, then the driver 510 can drive the linkage 530 to move, and meanwhile, the linkage 530 drives the sleeve teeth 320 to be connected to the first output gear 120 or the second output gear 220 by the connecting element 520, so as to realize the gear shifting of the model vehicle.
In some embodiments of the present invention, a first engaging groove and a second engaging groove are respectively disposed on two sides of the sleeve gear 320, a first engaging tooth adapted to the first output gear is disposed on an inner peripheral side of the first engaging groove, and a second engaging tooth adapted to the second output gear is disposed on an inner peripheral side of the second engaging groove. For example, as shown in fig. 4 and 5, in the present embodiment, the gear with a smaller diameter of the first output gear 120 is inserted into the first slot and engaged with the first latch, and the gear with a smaller diameter of the first output gear 220 is inserted into the second slot and engaged with the second latch.
In some embodiments of the utility model, the joint of the output shaft and the sleeve gear is in a hexagonal prism structure, a through hole penetrates through the middle of the sleeve gear, and the through hole is in a hexagonal structure and is matched with the hexagonal prism structure in the output shaft. For example, as shown in fig. 4 and 5, in the present embodiment, a hexagonal prism shape is provided on the peripheral side surface of the middle section of the output shaft 310, and a mounting hole is penetrated through the middle of the sleeve gear 320, wherein the mounting hole is also hexagonal prism shaped and is adapted to the hexagonal prism shape on the peripheral side surface of the output shaft 310, and the sleeve gear 320 can be sleeved and engaged on the middle section of the output shaft 310, and the sleeve gear 320 can also slide back and forth along the extending direction of the output shaft 310.
A powertrain for a model vehicle, comprising: a drive unit 400 and a two-speed gear shift structure.
As shown in fig. 1 to 4, the driving device 400 is a motor, and the driving device 400 is used for providing power output; the two-gear speed change conversion structure is connected with the driving device 400, when the model car works, the driving device 400 drives the first gear set and the second gear set to operate, then a user selects a gear of the model car on the remote control handle, the driver 510 drives the linkage rod 530 to move, and meanwhile the linkage rod 530 drives the sleeve gear 320 to be connected with the first output gear 120 or the second output gear 220 through the connecting piece 520, so that gear selection of the model car is realized, and the model car is moved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. Two grades of variable speed conversion structures, its characterized in that includes:
the first gear set is provided with a first input gear and a first output gear, the first input gear is in transmission connection with the first output gear, and the first input gear is connected with a driving device for providing power output;
the second gear set is provided with a second input gear and a second output gear, the second input gear is in transmission connection with the second output gear, and the second input gear is connected with the first output gear;
the output assembly comprises an output shaft and a set of teeth, the first output gear and the second output gear are respectively positioned in the extending direction of the output shaft, the set of teeth can be sleeved on the output shaft in a sliding manner along the extending direction of the output shaft and is positioned between the first output gear and the second output gear, wherein,
when the set teeth are close to and connected with the first output gear in a sliding mode, the first output gear can drive the output shaft to rotate through the set teeth,
when the set teeth are close to and connected with the second output gear in a sliding mode, the second output gear can drive the output shaft to rotate through the set teeth.
2. The two-speed transmission structure according to claim 1, wherein the second gear set includes a transmission shaft and a first transmission gear, the first transmission gear and a second input gear are both fixed on the transmission shaft, the second output gear is rotatably sleeved on the output shaft, the second input gear is engaged with the first output gear, and the first transmission gear is engaged with the second output gear.
3. The two-speed transmission structure according to claim 2, wherein a limit spring is disposed between the second input gear and the first transmission, and the limit spring is sleeved on the transmission shaft.
4. The two-speed transmission shifting structure according to claim 2, wherein the transmission shaft is provided with a first latch and a second latch, the second input gear is engaged with the first latch, and the first transmission gear is engaged with the second latch.
5. The two-gear speed change structure according to claim 1, wherein the first gear set includes a second transmission gear, the first output gear is rotatably sleeved on the output shaft, the second transmission gear is engaged with the first output gear, and the second transmission gear is used for driving the first output gear to rotate.
6. The two-gear speed change structure according to claim 5, wherein the first gear set further comprises a third transmission gear, the third transmission gear is rotatably sleeved on the output shaft, the third transmission gear is respectively engaged with the first input gear and the second transmission gear, and the first input gear can drive the third transmission gear to rotate so as to drive the second transmission gear to rotate.
7. The two-gear speed change structure according to claim 1, further comprising a control assembly, wherein the control assembly comprises a driver, a connecting member and a linkage rod, the connecting member is relatively rotatably engaged with the set of teeth, one end of the linkage rod is connected to the connecting member, the other end of the linkage rod is connected to the driver, and the driver drives the connecting member to move along the extending direction of the output shaft through the linkage rod, so as to drive the set of teeth to slidably approach the first output gear or the second output gear.
8. The two-speed shift conversion structure according to claim 1, wherein a first engaging groove and a second engaging groove are respectively formed on both sides of the set gear, a first engaging tooth adapted to the first output gear is formed on an inner peripheral side of the first engaging groove, and a second engaging tooth adapted to the second output gear is formed on an inner peripheral side of the second engaging groove.
9. The two-gear speed change structure according to claim 1, wherein the connection between the output shaft and the sleeve gear is a hexagonal prism structure, a through hole penetrates through the sleeve gear, and the through hole is hexagonal and is matched with the hexagonal prism structure in the output shaft.
10. A powertrain for a model vehicle, comprising:
a drive arrangement for providing a power output;
the two-speed shift conversion structure according to any one of claims 1 to 9; the two-gear speed change conversion structure is connected with the driving device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122511364.4U CN216242082U (en) | 2021-10-18 | 2021-10-18 | Two-gear speed change conversion structure and power assembly for model vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122511364.4U CN216242082U (en) | 2021-10-18 | 2021-10-18 | Two-gear speed change conversion structure and power assembly for model vehicle |
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| CN216242082U true CN216242082U (en) | 2022-04-08 |
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| CN202122511364.4U Active CN216242082U (en) | 2021-10-18 | 2021-10-18 | Two-gear speed change conversion structure and power assembly for model vehicle |
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