TWM628502U - Power transmission system for vehicles - Google Patents

Abstract

An output power transmission system for vehicles provides functions such as easy assembly and power transmission. The output transmission system includes a combination of an output shaft and a spring device; and the output shaft is equipped with an output gear set, which can output power freely. The spring device is formed with a structure of a plurality of spring coils, which are wound on the output shaft; the spring device is defined with a first end and a second end, the first end is connected to the output shaft, and the second end is combined with the output gear set, so that the When the power of the rotating shaft is transmitted through the input gear set to the output gear set, the spring device is used to store energy to improve the torque output effect of the vehicle (or output shaft); it improves the conventional structure, complicated assembly, time-consuming, large mechanism length/volume and cost. higher situation.

Description

Power transmission system for vehicles

This creation relates to an output transmission system for vehicles; in particular, it refers to a technology that combines a vehicle output shaft or an output gear set with a spring device to improve the effect of torque output.

It is a known art to apply to vehicles or electric vehicles, such as transmissions, gear sets to transmit power, differentials, etc., to make the vehicle move forward and backward. For example, Taiwan No. 87217364 "Automobile Transmission Device" (ie, US 6146306 "AUTOMOBILE TRANSMISSION DEVICE"), a patent case, provides a typical embodiment.

The variable speed transmission systems of conventional vehicles include manual, automatic, and continuous variable speed transmission systems; they pass the power of the engine shaft or motor shaft through a transmission control mechanism, an input gear set mounted on an input shaft, And devices such as (bevel gear) differential mechanism and output gear set arranged on an output shaft, so that the power is transmitted to the output shaft, so that the vehicle can obtain the movement of different speed ratios.

Basically, the speed change control mechanism includes a plurality of spring-like bodies and control push cylinders that are respectively fitted in and outside the input gear set; through manual or automatic speed control, the motor brakes a worm wheel to rotate, and selectively drives different balls ( or push rod) to push the control push cylinder to make the spring body and the input gear set form an engaged or non-engaged state, so that the input gear sets with different numbers of teeth can respectively drive the output gear set and the differential mechanism, so that the output The axles generate different rotational speeds to drive the vehicle.

A subject related to the structural design and operation and application of vehicle speed change and transmission is that the combination between the output shaft mechanism and the output gear set of the prior art must use multiple retaining rings, bearings (for example, balls, needles, etc.). , one-way, thrust bearing, etc.) to maintain the stability of their freely rotating output power.

For example, in the old method, the output shaft mechanism usually needs to be equipped with a combination of at least 16 one-way bearings, so it has been limited to the inherent transmission mechanism for a long time, so that the traditional output transmission device usually has complicated structure, troublesome assembly, and time-consuming. , larger mechanism length/volume and higher cost; which is not what we expected.

Typically, these references show design skills related to the structure and application of conventional (output) transmissions in vehicle systems. If the redesign considers the cooperation of the output transmission device, so that its mechanism design meets the conditions of simplified structure and assembly, and its structure is different from those used by users, its power transmission type can be changed, which is different from the old method. Relatively improve the conventional situation of complex structure, troublesome assembly, time-consuming, large mechanism length/volume and high cost; or further achieve the effect of improving the torque output of the transmission device; and these topics are not taught or specific in the above reference materials. expose.

Yes, the main purpose of this creation is to provide an output power transmission system for vehicles, which provides the functions of simple assembly and power transmission. The output transmission system includes a combination of an output shaft and a spring device; and the output shaft is equipped with an output gear set, which can output power freely. The spring device is formed with a structure of a plurality of (continuous) spring coils, which are wound on the output shaft; the spring device is defined with a first end and a second end, the first end is connected to the output shaft, and the second end is combined with the output gear set. state, turn When the power of the drive shaft is transmitted through the input gear set to the output gear set, the spring device is used to store energy to improve the torque output effect of the vehicle (or output shaft); it improves the conventional structure, complicated assembly, time-consuming, large length/volume of the mechanism and cost. higher situation.

According to the output power transmission system for a vehicle of the present invention, the configuration of the coil structure of the spring device is from the direction of the first end to the second end, so that the overlapping area of the adjacent coil structures forms a decreasing shape ; and, each adjacent coil structure is connected at least in a partial area. Therefore, when the output gear set drives the spring device and the output shaft to rotate, the spring device is gradually (tightened) accumulating energy on the output shaft from the second end toward the first end, thereby increasing the torque output effect on the output shaft.

10: Input gear set

11: The first input gear

12: The second input gear

13: The third input gear

20: Shift control section

40: Bearing

45: One-way bearing

50: Spring device

51: First End

52: Second End

55: Coil structure

59: Fixtures

60: Output gear set

61: The first output gear

62: The second output gear

63: The third output gear

70: Differential mechanism

80: Rotation shaft

90: output shaft

95: Wings

99:Fixer

W: Wheels

Figure 1 is a schematic cross-sectional view of the structure of the embodiment of the present invention; it shows the relationship, position and structural cooperation of the input gear set, the speed change control part, the output gear set and the spring device.

Figure 2 is a schematic diagram of a partial structure of Figure 1; it depicts the structural combination of the output gear set and the spring device.

Figure 3 is another partial structural schematic diagram of Figure 1; it shows the structural combination of the output gear set and the spring device.

Please refer to Figures 1, 2 and 3, the present invention is used for the output transmission system of the vehicle, including a combination of a rotating shaft 80 (or called an input shaft) and an output shaft 90 connected to the power source; the power source (not shown in the figure) can be A type of motor, internal combustion engine or engine is selected to make the rotating shaft 80 generate counterclockwise or clockwise rotational power.

The figure shows that the rotary shaft 80 is provided with an input gear set 10 and a shift control portion 20 . The input gear set 10 selects a third-speed (or fourth-speed) transmission system; therefore, the input gear set 10 at least includes first to third input gears 11 to 13 . The input gear set 10 and the speed change control unit 20 belong to the prior art, so they will not be described in detail.

Relative to the input gear set 10 , the output shaft 90 is provided with an output gear set 60 , a spring device 50 (and/or a differential mechanism 70 ), and together constitute an output transmission system for outputting power. When the rotational power of the rotating shaft 80 drives the output gear set 60 to rotate through the input gear set 10 , the output gear set 60 will drive the output shaft 90 (and the differential mechanism 70 ) to rotate, so that the output shaft 90 generates driving wheels with different rotational speeds W turns.

Figures 1, 2 and 3 also depict that the output gear set 60 also selects a third-speed (or fourth-speed) transmission system, which has a plurality of output gears with different diameters, including the rotatable first to third output gears 61~ 63, respectively meshing with the first to third input gears 11 to 13. A one-way bearing 45 is arranged between the first and second output gears 61, 62 (and/or the second and third output gears 62, 63); so that each output gear 61-63 can only allow low-level gear transmission in sequence Higher order gears, but higher order gears cannot drive lower order gears.

In a feasible embodiment, the first output gear 61 of the output gear set 60 cooperates with the bearing 40 (eg, a needle bearing or the like) to install the combined output shaft 90 . The output shaft 90 is provided with a wing portion 95 , and the third output gear 63 is pivotally connected with the holder 99 . In addition, a one-way bearing 45 is arranged between the second output gear 62 and the wings 95 , so that the second output gear 62 can drive the third output gear 63 , but the third output gear 63 cannot drive the second output gear 62 .

The figure shows the area between the second output gear 62 and the output shaft 90, where a spring device 50 is fitted. The spring device 50 can choose a structure similar to a leaf spring, and is formed with a plurality of (continuous) coil structures 55 wound around the output shaft 90 .

In the adopted embodiment, the spring device 50 defines a first end 51 and a second end 52 . The first end 51 cooperates with the bearing 40 (or one-way bearing) and the fixing member 59 to connect (or combine) the output shaft 90 ; The fixing member 59 can be selected as a key, a pin or the like. And, the second end 52 cooperates with the fixing member 59 to combine (or fix) the type of the output gear set 60 (or the second output gear 62 ), so that the power of the rotating shaft 80 is transmitted through the input gear set 10 when the output gear set 60 is transmitted , cooperate with the spring device 50 to store energy, and improve the torque output effect of the vehicle (or output shaft).

Specifically, the configuration pattern of the coil structures 55 of the spring device 50 is that from the first end 51 to the second end 52, the overlapping area of the adjacent coil structures 55 forms a decreasing pattern, and each time An adjacent coil structure 55 is at least partially connected, so that the energy stored in the coil structure 55 at the second end 52 increases toward the energy stored in the coil structure 55 at the first end 51 . Therefore, when the spring device 50 rotates in response to the rotation of the output gear set 60, the closer the coil structure 55 to the first end 51 is to accumulate energy (or force), the closer the coil structure 55 to the second end 52 accumulates The smaller the energy (or force) is.

That is to say, when the output gear set 60 drives the spring device 50 and the output shaft 90 to rotate, the spring device 50 gradually (tightensly) accumulates energy on the output shaft 90 from the second end 52 to the first end 51 , so that the output force is relatively The shaft 90 (gradually) increases the torque output effect.

For example, it is assumed that when the rotating shaft 80 drives the first input gear 11 to drive the first output gear 61 to rotate, it is defined as the first gear (or first speed); The rotation of the first output gear 61 . Moreover, the rotation of the second output gear 62 will drive the spring When the device 50 rotates, from the second end 52 to the first end 51, it gradually presses and stores energy on the output shaft 90, and drives the output shaft 90 to rotate.

Assuming that the rotating shaft 80 drives the second input gear 12 to drive the second output gear 62 to rotate, it is defined as the second gear (or second speed); with the one-way bearing 45, the second output gear 62 directly drives the spring device 50 to rotate, From the second end 52 to the direction of the first end 51 , the output shaft 90 is gradually forced to accumulate energy, thereby driving the output shaft 90 to rotate.

It can be understood that when the rotating shaft 80 drives the third input gear 13 to drive the third output gear 63 to rotate, it is defined as the third gear (or the third speed); the third gear (or the third speed) belongs to the high gear, so that the The third input gear 13 directly drives the third output gear 63 and the output shaft 90 to rotate without causing the spring device 50 to accumulate energy.

Typically, compared to the old law, the power transmission system used in vehicles includes the following advantages and considerations:

1. The combined structure of the output gear set 60, the spring device 50 and the output shaft 90 of the output transmission system has been redesigned for consideration. For example, between the output gear set 60 and the output shaft 90, a spring device 50 is arranged; the spring device 50 has a plurality of coil structures 55, and the spring device 50 moves from the first end 51 to the second end 52, so that the adjacent springs The overlapping area of the ring structure 55 forms parts such as a decreasing pattern, which is obviously different from the structure pattern of the prior art, and relatively improves the conventional structure, complicated assembly, time-consuming, large mechanism length/volume and high cost.

2. In particular, the first end 51 of the spring device 50 is fixed to the output shaft 90, and the second end 52 is fixed to the structure of the output gear set 60, so that its mechanism design can improve the torque output of the transmission system and improve the The old French single only has the function of power output.

Therefore, this creation system provides an effective power transmission system for vehicles, its spatial pattern is different from those of the prior art, and it has incomparable advantages in the old law, which shows considerable progress, and it is sincere enough. The copies meet the requirements of a new type of patent.

Therefore, this creation system provides an effective power transmission system for vehicles, its spatial pattern is different from those of the prior art, and it has incomparable advantages in the old law, which shows considerable progress, and it is sincere enough. The copies meet the requirements of a new type of patent.

However, the above descriptions are only feasible embodiments of this creation, and are not intended to limit the scope of implementation of this creation, that is, all equivalent changes and modifications made in accordance with the scope of the patent application for this creation are covered by the scope of the patent for this creation. .

10: Input gear set

11: The first input gear

12: The second input gear

13: The third input gear

20: Shift control section

40: Bearing

45: One-way bearing

50: Spring device

51: First End

52: Second End

55: Coil structure

59: Fixtures

60: Output gear set

61: The first output gear

62: The second output gear

63: The third output gear

70: Differential mechanism

80: Rotation shaft

90: output shaft

95: Wings

99:Fixer

W: Wheels

Claims (10)

An output transmission system for a vehicle, comprising: a combination of an output shaft (90) and a spring device (50); the output shaft (90) is provided with an output gear set (60) to output power rotatably; and the spring device (50) A spring coil structure (55) is formed, which is wound on the output shaft (90); the spring device (50) is defined with a first end (51) and a second end (52), and the first end (51) is in phase with each other. The output shaft (90) is connected to the second end (52) in the form of a combination of the output gear set (60), so that when the power is transmitted to the output gear set (60), the spring device (50) is used to store energy, and the output shaft (90) is increased. ) torque output. The output power transmission system for a vehicle according to claim 1, wherein the output gear set (60) meshes with an input gear set (10); the input gear set (10) at least comprises a first input gear (11), a second input gear an input gear (12), a third input gear (13); the output gear set (60) has a plurality of output gears with different diameters, at least including a first output gear (61), a second output gear (62), a third output gear The gears (63) are respectively engaged with the first input gear (11), the second input gear (12) and the third input gear (13); and the input gear set (10) is arranged on a rotating shaft (80) driven by the power source The rotating shaft (80) is provided with a speed change control part (20), and the output shaft (90) is provided with a differential mechanism (70). The output transmission system for a vehicle according to claim 2, wherein a one-way bearing (45) is arranged between the first output gear (61) and the second output gear (62); the output shaft (90) is provided with There is a wing portion (95), and the third output gear (63) is pivotally connected with the fixing device (99); a one-way bearing (45) is arranged between the second output gear (62) and the wing portion (95). The power transmission system for a vehicle as claimed in claim 1, wherein the spring device (50) selects a leaf spring structure to form a plurality of continuous coil structures (55); the first end of the spring device (50) ( 51) Match the bearing (40) and the fixing piece (59), and connect the output shaft (90); The fixed piece (59) selects one of a key and a pin; the second end (52) cooperates with the fixed piece (59) to combine the form of the second output gear (62) of the output gear set (60). The power transmission system for a vehicle according to claim 2 or 3, wherein the spring device (50) selects a leaf spring structure to form a plurality of continuous coil structures (55); the first spring device (50) The end (51) is matched with the bearing (40) and the fixing piece (59), and is connected to the output shaft (90); the fixing piece (59) selects one of the key and the pin; the second end (52) is matched with the fixing piece (59) , the form of the second output gear (62) of the combined output gear set (60). The power transmission system for a vehicle as claimed in claim 4, wherein the configuration of the coil structure (55) of the spring device (50) is from the first end (51) to the second end (52) , so that the overlapping areas of adjacent coil structures (55) form a decreasing pattern, and each adjacent coil structure (55) has at least a partial area connected, so that the coil structures at the second end (52) (55) The energy accumulated toward the coil structure (55) in the direction of the first end (51) forms an increasing pattern. The power transmission system for a vehicle according to claim 5, wherein the configuration of the coil structure (55) of the spring device (50) is from the first end (51) to the second end (52) , so that the overlapping areas of adjacent coil structures (55) form a decreasing pattern, and each adjacent coil structure (55) has at least a partial area connected, so that the coil structures at the second end (52) (55) The energy accumulated toward the coil structure (55) in the direction of the first end (51) forms an increasing pattern. The output power transmission system for a vehicle as claimed in claim 1 or 4 or 6, wherein the rotation of the output gear set (60) drives the spring device (50) to rotate, so that the spring device (50) rotates from the second end (52) In the direction of the first end (51), energy is gradually accumulated on the output shaft (90), and the output shaft (90) is driven to rotate. The output transmission system for a vehicle as claimed in claim 2 or 3, wherein the rotation of the second output gear (62) directly drives the spring device (50) to rotate, from the second end (52) to the first end (51) ) gradually presses the output shaft (90) to accumulate energy, and drives the output shaft (90) to rotate. The output transmission system for a vehicle as claimed in claim 7, wherein the rotation of the second output gear (62) directly drives the spring device (50) to rotate, from the second end (52) to the first end (51) The direction is gradually tightened to accumulate energy on the output shaft (90), which drives the output shaft (90) to rotate.

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