CN216768145U

CN216768145U - Motorcycle engine clutch

Info

Publication number: CN216768145U
Application number: CN202220314735.1U
Authority: CN
Inventors: 李贵都
Original assignee: Chongqing Guidu Machinery Manufacturing Co ltd
Current assignee: Chongqing Guidu Machinery Manufacturing Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-17
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a motorcycle engine clutch, which comprises a box body, wherein a driving gear and a driven gear are arranged in the box body, the upper end of the driving gear is connected with a crankshaft to provide power, the transmission ratio of the driving gear to the driven gear is 4.5, and the driving gear and the driven gear are in helical tooth fit transmission. The utility model increases the transmission ratio of the motorcycle engine clutch from 4.058 in the prior art to 4.5, simultaneously adopts the matching of the driving gear and the driven gear by the helical teeth, ensures the meshing degree, reduces the matching clearance compared with the matching of the straight teeth in the prior art, and further reduces the loss of power transmission. Therefore, by adopting the structure design, the power of the motorcycle is increased by 11 percent by increasing the transmission ratio and the meshing degree of the driving gear and the driven gear, and the climbing power of the motorcycle is ensured.

Description

Motorcycle engine clutch

Technical Field

The utility model relates to the technical field of clutches, in particular to a motorcycle engine clutch.

Background

The motorcycle clutch is located between the engine and the transmission for transmitting or cutting off power from the engine to the transmission. The clutch assembly comprises a driving gear and a driven gear meshing set, wherein the structure of the driving gear and the driven gear determines the size of the transmission ratio of the driving gear and the driven gear, and then determines the power and the speed of the motorcycle.

In the plain area, the power requirement for the motorcycle is relatively not very high, but in the Chongqing area, the motorcycle which is the mountain city is the best nationwide, but the slope of the Chongqing road is large, the power requirement for the motorcycle is high, and therefore, the problem of insufficient power of the motorcycle needs to be improved. The most common method is to change the transmission ratio of the engine, i.e. the ratio of the driven gear to the driving gear, when the transmission ratio is increased, the power of the motorcycle is increased, but the transmission ratio is too large, the power of the motorcycle is better, but the maximum speed is not high, so that a reasonable scheme is urgently needed to solve the problem of insufficient power of the motorcycle.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages, the present invention provides a motorcycle engine clutch, which solves the problem of insufficient power during the climbing process of the motorcycle in the prior art.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the motorcycle engine clutch comprises a box body, wherein a driving gear and a driven gear are arranged in the box body, the upper end of the driving gear is connected with a crankshaft to provide power, the transmission ratio of the driving gear to the driven gear is 4.5, and the driving gear and the driven gear are in helical gear matching transmission.

Adopt above-mentioned structural design, increase motorcycle engine clutch's drive ratio, adopt the skewed tooth cooperation with driving gear and driven gear simultaneously, guarantee the degree of meshing, reduce power transmission's loss, and then improve the power of motorcycle.

Preferably, the number of teeth of the driving gear is 18, and the number of teeth of the driven gear is 81.

By adopting the structural design, the power is improved by increasing the transmission ratio, under the condition of ensuring the meshing degree, the tooth number of the driving gear is increased from 17 teeth to 18 teeth, the tooth number of the driven gear is increased from 69 teeth to 81 teeth, the transmission ratio is increased from 4.058 to 4.5, and the power is increased by 11%.

Preferably, driven gear's upper end is equipped with the mounting bracket, and the mounting bracket is built-in to be equipped with a plurality of clutch discs of upper and lower closed assembly, wherein, the mounting bracket lower extreme is fixed in driven gear's upper surface, and the outside edge of mounting bracket upwards the even setting in interval ends the separation blade, forms first card between the two adjacent separation blades and holds the groove, end the separation blade upper end upwards seted up the second card and hold the groove, the clutch disc is installed in the mounting bracket, and the outside protruding card portion of holding that is equipped with on the clutch disc, and the card portion of holding of below clutch disc card hold in first card inslot, the card portion of holding of top clutch disc hold in the second card is held in the inslot.

By adopting the structure design, the mounting frame and the clamping structure design of the clutch plate can effectively ensure the stability of the clutch plate.

Preferably, the driven gear is fixedly connected with the mounting portion at the lower end of the mounting frame in a press-fitting mode, the driving gear is integrally formed on a gear shaft which is rotatably connected to the box body, and the upper end of the gear shaft is connected with the crankshaft to provide power.

By adopting the structure design, the stability of the driving gear and the driven gear can be ensured, the stability of power transmission is further ensured, and power loss is avoided.

Preferably, the helical angle of the helical teeth of the driving gear and the driven gear is 10 °.

Preferably, the pressure angle of the mesh point of the driving gear and the driven gear is 20 degrees.

By adopting the structure design, the meshing degree of the driving gear and the driven gear can be better ensured, and further the power transmission is improved.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model increases the transmission ratio of the motorcycle engine clutch, increases the tooth number of the driving gear from 17 teeth to 18 teeth, increases the tooth number of the driven gear from 69 teeth to 81 teeth, further increases the transmission ratio from 4.058 to 4.5, simultaneously ensures the meshing degree by matching the driving gear and the driven gear with helical teeth, reduces the matching clearance compared with the matching of straight teeth in the prior art, and further reduces the loss of power transmission. Therefore, by adopting the structure design, the power of the motorcycle is increased by 11 percent by increasing the transmission ratio and the meshing degree of the driving gear and the driven gear, and the climbing power of the motorcycle is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a motorcycle engine clutch of the present invention;

fig. 2 is a schematic view of the structure of the drive gear and the gear shaft of the present invention.

The reference numerals in the drawings are explained below.

The box body 1, a driving gear 2, a driven gear 3, a mounting rack 4, a stop piece 4a, a first clamping groove 4b, a second clamping groove 4c, a clutch plate 5, a clamping part 5a and a gear shaft 6.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a motorcycle engine clutch includes a case 1, a driving gear 2 and a driven gear 3 are installed in the case 1, and the upper end of the driving gear 2 is connected with a crankshaft to provide power. The drive gear 2 and driven gear 3's drive ratio is 4.5, specifically, the number of teeth of drive gear 2 is 18 teeth, driven gear 3's the number of teeth is 81 teeth. Wherein, the calculation of drive ratio is driven gear 3 and driving gear 2's ratio, in this application, the number of teeth that increases driven gear 3 increases to 81 teeth from conventional number of teeth 69 teeth, the number of teeth of driving gear 2 increases to 18 teeth by conventional number of teeth 17 teeth, and then the drive ratio in this application increases to 4.5 by 4.058, the power of motorcycle increases 11%, solved the problem that power is not enough on Chongqing climbing highway, and guaranteed that the biggest speed of traveling of motorcycle does not have the problem that reduces because of the drive ratio is too big. Meanwhile, the driving gear 2 and the driven gear 3 are both driven by the helical teeth in a matching manner, in this embodiment, the helical angle of the helical teeth of the driving gear 2 and the driven gear 3 is 10 °, and the pressure angle of the meshing point of the driving gear 2 and the driven gear 3 is 20 °. By adopting the helical tooth matching of the helical angle, the meshing degree of the driving gear 2 and the driven gear 3 can be ensured, the condition that gaps appear in the meshing of straight teeth is avoided, the power loss of power transmission is avoided, the real output value of the power transmission is improved, and further the guarantee is provided for improving the power of the motorcycle.

The upper end of the driven gear 3 is provided with a mounting rack 4, and a plurality of clutch discs 5 which are stacked up and down are arranged in the mounting rack 4. The lower end of the mounting frame 4 is fixed on the upper surface of the driven gear 3, the outer side edge of the mounting frame 4 is provided with stop pieces 4a at upward intervals, a first clamping groove 4b is formed between every two adjacent stop pieces, and the upper end of each stop piece 4a is upwards provided with a second clamping groove 4 c. The clutch plate 5 is arranged in the mounting frame 4, the clutch plate 5 is provided with a clamping part 5a protruding outwards, the clamping part 5a of the clutch plate 5 below is clamped in the first clamping groove 4b, and the clamping part 5a of the clutch plate 5 above is clamped in the second clamping groove 4 c. Above-mentioned mounting means can effectively guarantee clutch-plate 5's installation stability. Wherein, driven gear 3 and the installation department pressure equipment fixed connection of 4 lower extremes of mounting bracket, 2 integrated into one piece of driving gear are in rotating to be connected on 1 epaxial gear 6 of box, just 6 upper ends of gear shaft and crankshaft connection provide power, and driving gear 2 adopts integrated into one piece and driven gear 3 to adopt the pressure equipment mode, and then can guarantee that it can not appear becoming flexible or rock the condition when the meshing transmission, has not only guaranteed power transmission, has guaranteed the life of clutch simultaneously.

The working principle of the utility model is as follows: this scheme is anticipated is to lie in improving the drive ratio of motorcycle in appropriate scope, wherein, through the number of teeth that increases driven gear 3 and driving gear 2, guarantees its meshing smoothly, and increase drive ratio changes driving gear 2 and driven gear 3 into the skewed tooth simultaneously, and the helical angle of skewed tooth is 10, and then guarantees the degree of meshing of driving gear 2 and driven gear 3, improves power transmission efficiency. Therefore, the proposal increases the power of the motorcycle by 11 percent by increasing the transmission ratio and changing the driving gear 2 and the driven gear 3 into helical teeth.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the use of the term being generic or similar to other means being encompassed by the utility model.

Claims

1. The motorcycle engine clutch comprises a box body (1) and is characterized in that a driving gear (2) and a driven gear (3) are arranged in the box body (1), the upper end of the driving gear (2) is connected with a crankshaft to provide power, the transmission ratio of the driving gear (2) to the driven gear (3) is 4.5, and the driving gear (2) and the driven gear (3) are in helical gear fit transmission.

2. A motorcycle engine clutch according to claim 1, characterized in that the number of teeth of the driving gear (2) is 18, and the number of teeth of the driven gear (3) is 81.

3. A motorcycle engine clutch as claimed in claim 1 or 2, the upper end of the driven gear (3) is provided with a mounting rack (4), a plurality of clutch plates (5) which are stacked up and down are arranged in the mounting rack (4), wherein the lower end of the mounting rack (4) is fixed on the upper surface of the driven gear (3), the outer side edge of the mounting rack (4) is upwards provided with stop pieces (4a) at uniform intervals, a first clamping groove (4b) is formed between every two adjacent stop pieces, the upper end of the stopping sheet (4a) is upwards provided with a second clamping groove (4c), the clutch plate (5) is arranged in the mounting rack (4), and the clutch plate (5) is provided with a clamping part (5a) which protrudes outwards, the clamping part (5a) of the clutch plate (5) at the lower part is clamped in the first clamping groove (4b), and the clamping part (5a) of the clutch plate (5) at the upper part is clamped in the second clamping groove (4 c).

4. A clutch for motorcycle engine as claimed in claim 1, wherein the driven gear (3) is press-fitted and fixedly connected with the mounting portion of the lower end of the mounting bracket (4), the driving gear (2) is integrally formed on a gear shaft (6) rotatably connected to the case (1), and the upper end of the gear shaft (6) is connected with the crankshaft to provide power.

5. A motorcycle engine clutch according to claim 1, characterized in that the helical angle of the helical teeth of the driving gear (2) and the driven gear (3) is 10 °.

6. A motorcycle engine clutch according to claim 1, characterized in that the pressure angle of the point of engagement of the driving gear (2) and the driven gear (3) is 20 °.