Transmission device of motorcycle carburetor

Abstract

The utility model relates to the technical field of motorcycle carburetors, and discloses a transmission device of a motorcycle carburetor, which comprises a carburetor, a top cover is movably mounted at one end of the carburetor, a throttle cable is mounted in the top cover, and one end of the throttle cable is connected with a fourth pulley and a second pulley. The pulley I is arranged on one side of the pulley II, the pulley III is arranged on the other side of the pulley II, and the pulley I, the pulley II and the pulley III are movably connected with the fixed plate through the bolt I. When the throttle valve is operated, the throttle valve inhaul cable is pulled to drive the pulley IV and the pulley II to rotate; the throttle valve can be stably and accurately adjusted, the installation holes are formed in the two ends of the base, the whole transmission device can be conveniently installed at the appropriate position of a motorcycle, and the tension stability of a throttle valve inhaul cable is remarkably improved through the transmission device by introducing the combined design of the first pulley, the second pulley, the third pulley and the fourth pulley.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle carburetors, in particular to a transmission device of a motorcycle carburetors. Background Art

[0002] The motorcycle carburetor is an important component in the motorcycle engine. Its main function is to mix gasoline and air into a combustible mixture and send it into the engine for combustion. The working principle of the motorcycle carburetor is to use the kinetic energy of air flow to atomize gasoline into fine particles, and then mix it with air to form a combustible mixture. The performance of the motorcycle carburetor directly affects the power, economy and emission performance of the motorcycle. Therefore, the design and manufacture of motorcycle carburetors has always been an important research direction in the field of motorcycle technology. If the transmission device of the motorcycle carburetor in the prior art lacks a throttle lock tensioning structure, it may cause unstable operation, slow acceleration, increased fuel consumption and engine damage. This structure needs to be added to ensure the stability of the throttle lock tensioning, optimize engine performance and fuel efficiency, and protect engine components. Improvements are needed, and for this reason, we propose a transmission device for a motorcycle carburetor. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a transmission device for a motorcycle carburetor, which solves the above-mentioned problems.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transmission device of a motorcycle carburetor, including a carburetor, a top cover is movably installed at one end of the carburetor, an outer surface of one side of the top cover is provided with an anti-slip protrusion, a throttle cable is installed inside the top cover, one end of the throttle cable is connected to pulley four and pulley two, pulley four is movably connected to a fixed plate by bolt two, pulley one is provided on one side of pulley two, pulley three is provided on the other side of pulley two, pulley one, pulley two and pulley three are movably connected to the fixed plate by bolt one.

[0007] Preferably, the shape and size of pulley four are the same as those of pulley two, the shape and size of pulley two are smaller than those of pulley one, and the shape and size of pulley two are larger than those of pulley three, and the upper part of pulley four and the lower part of pulley two are on the same horizontal tangent line.

[0008] Preferably, the pulley four is sleeved on the outer surface of the bolt two, a nut one is movably mounted on one end of the bolt two, and one side surface of the pulley four does not contact the surface of the fixed plate.

[0009] Preferably, the pulley one, pulley two and pulley three are set on the outer surface of the bolt one, and nut two is movably installed at one end of the bolt one.

[0010] Preferably, a thread is provided inside the fixing plate, and the fixing plate, pulley four and bolt one are movably mounted, and the pulley four and bolt one have the same length.

[0011] Preferably, a support plate is fixed to the lower surface of the fixing plate, the support plate is fixed to the center of the upper surface of the base, and mounting holes are provided at both ends of the base.

[0012] Preferably, the four corners of the fixing plate are rounded, and the sizes of nut 1 and nut 2 are the same.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a transmission device for a motorcycle carburetor, which has the following beneficial effects:

[0015] 1. The transmission device of the motorcycle carburetor significantly improves the tension stability of the throttle cable by introducing the combination design of pulley 1, pulley 2, pulley 3 and pulley 4, as well as the corresponding fixing plate and bolt structure. This not only makes the throttle operation more stable, but also effectively optimizes the working state of the engine, improves the atomization effect of the fuel and the uniformity of the mixed gas, thereby enhancing the power and economy of the motorcycle.

[0016] 2. The transmission device of the motorcycle carburetor reduces the wear of engine parts caused by unstable operation through the throttle cable tensioning structure, prolongs the service life of the engine, and thus reduces the maintenance cost of the motorcycle. In addition, the design of the transmission device is easy to install and maintain, further reducing the maintenance burden of the owner.

[0017] 3. The transmission device of the motorcycle carburetor provides the driver with a smoother and more comfortable driving experience by optimizing engine performance and stability. At the same time, the stable throttle cable tensioning structure reduces the risk of engine damage caused by improper operation and improves driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic side view of the utility model;

[0020] Figure 3 It is a schematic diagram of a top view of the utility model;

[0021] Figure 4 It is an isometric schematic diagram of the utility model.

[0022] In the figure: 1. Carburetor; 2. Top cover; 3. Throttle cable; 4. Fixing plate; 5. Pulley one; 6. Pulley two; 7. Pulley three; 8. Bolt one; 9. Mounting hole; 10. Support plate; 11. Base; 12. Bolt two; 13. Pulley four; 14. Anti-slip protrusion; 15. Nut one; 16. Nut two. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 A transmission device of a motorcycle carburetor comprises a carburetor 1, a top cover 2 is movably mounted on one end of the carburetor 1, an anti-skid protrusion 14 is arranged on the outer surface of one side of the top cover 2, a throttle cable 3 is mounted inside the top cover 2, a pulley 4 13 and a pulley 2 6 are connected to one end of the throttle cable 3, the pulley 4 13 is movably connected to a fixing plate 4 through a bolt 2 12, a pulley 1 5 is arranged on one side of the pulley 2 6, a pulley 3 7 is arranged on the other side of the pulley 2 6, the pulley 1 5, the pulley 2 6 and the pulley 3 7 are movably connected to the fixing plate 4 through a bolt 1 8.

[0025] Furthermore, the shape and size of pulley four 13 are the same as those of pulley two 6, the shape and size of pulley two 6 are smaller than pulley one 5, and the shape and size of pulley two 6 are larger than pulley three 7, and the upper part of pulley four 13 and the lower part of pulley two 6 are on the same horizontal tangent line.

[0026] Furthermore, the pulley four 13 is sleeved on the outer surface of the bolt two 12, and a nut 15 is movably installed at one end of the bolt two 12, and one side surface of the pulley four 13 does not contact the surface of the fixing plate 4.

[0027] Furthermore, pulley one 5, pulley two 6 and pulley three 7 are sleeved on the outer surface of bolt one 8, and nut two 16 is movably installed at one end of bolt one 8.

[0028] Furthermore, a thread is provided inside the fixing plate 4, and the fixing plate 4, the pulley four 13 and the bolt one 8 are movably installed, and the pulley four 13 and the bolt one 8 have the same length.

[0029] Furthermore, a support plate 10 is fixed to the lower surface of the fixing plate 4, and the support plate 10 is fixed to the center of the upper surface of the base 11. The base 11 has mounting holes 9 at both ends.

[0030] Furthermore, the four corners of the fixing plate 4 are rounded, and the nut 1 15 and the nut 2 16 are of the same size.

[0031] Working principle: Pulley 1 5, pulley 2 6 and pulley 3 7 are all sleeved on the outer surface of bolt 1 8 and fixed by nut 2 16. The size of pulley 1 5 is larger than pulley 2 6 and pulley 3 7. This design helps to provide stable support and guidance at different positions. When the throttle is operated, the throttle cable 3 will be pulled, thereby driving the rotation of pulley 4 13 and pulley 2 6. This rotation will be transmitted through pulley 1 5, pulley 2 6 and pulley 3 7, ultimately ensuring that the throttle can be adjusted smoothly and accurately. A support plate 10 is fixed on the lower surface of the fixed plate 4, and the support plate 10 is fixed to the center of the upper surface of the base 11. Mounting holes 9 are provided at both ends of the base 11 to facilitate the installation of the entire transmission device to a suitable position on the motorcycle.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission device for a motorcycle carburetor, comprising a carburetor (1), characterized in that: A top cover (2) is movably mounted on one end of the carburetor (1), an anti-skid protrusion (14) is provided on one side of the outer surface of the top cover (2), a throttle cable (3) is mounted inside the top cover (2), one end of the throttle cable (3) is connected to a pulley four (13) and a pulley two (6), the pulley four (13) is movably connected to a fixing plate (4) via a bolt two (12), a pulley one (5) is provided on one side of the pulley two (6), a pulley three (7) is provided on the other side of the pulley two (6), and the pulley one (5), the pulley two (6) and the pulley three (7) are movably connected to the fixing plate (4) via a bolt one (8).

2. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: The shape and size of the pulley four (13) are the same as those of the pulley two (6), the shape and size of the pulley two (6) are smaller than those of the pulley one (5), and the shape and size of the pulley two (6) are larger than those of the pulley three (7), and the upper part of the pulley four (13) and the lower part of the pulley two (6) are on the same horizontal tangent line.

3. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: The pulley four (13) is sleeved on the outer surface of the bolt two (12), and a nut one (15) is movably mounted on one end of the bolt two (12), and one side surface of the pulley four (13) does not contact the surface of the fixing plate (4).

4. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: The pulley one (5), the pulley two (6) and the pulley three (7) are sleeved on the outer surface of the bolt one (8), and a nut two (16) is movably installed on one end of the bolt one (8).

5. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: The fixing plate (4) is provided with threads inside, and the fixing plate (4) and the pulley four (13) and the bolt one (8) are movably mounted, and the pulley four (13) and the bolt one (8) have the same length.

6. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: A support plate (10) is fixed to the lower surface of the fixing plate (4), and the support plate (10) is fixed to the center of the upper surface of the base (11). Both ends of the base (11) are provided with mounting holes (9).

7. The transmission device of a motorcycle carburetor according to claim 1, characterized in that: The four corners of the fixing plate (4) are rounded, and the sizes of nut 1 (15) and nut 2 (16) are the same.

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