Scavenging structure of motorcycle two-stroke engine cylinder body

Abstract

The utility model relates to the technical field of engines, in particular to a scavenging structure of a motorcycle two-stroke engine cylinder block, which comprises a cylinder block, an air inlet pipe, an exhaust pipe and two adjusting mechanisms, each adjusting mechanism comprises a connecting pipe, a driving component, a transmission component and two adjusting doors, one connecting pipe is fixedly connected with the air inlet pipe, and the other connecting pipe is fixedly connected with the exhaust pipe. One connecting pipe is fixedly connected with the air inlet pipe and located at one end of the air inlet pipe, the other connecting pipe is fixedly connected with the exhaust pipe and located at one end of the exhaust pipe, the driving assembly, the transmission component and the two adjusting doors are arranged on the connecting pipes, the transmission component is fixedly connected with the driving assembly and located at one end of the driving assembly, and the two adjusting doors are rotationally connected with the transmission assembly. By means of the structural arrangement, the problem that the efficiency is affected due to the fact that the arranged blades cannot well collect and discharge the air inflow and the air displacement is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to a scavenging structure of a cylinder block of a motorcycle two-stroke engine. Background Art

[0002] At present, the scavenging structure of traditional two-stroke engines is simple, with a fixed intake port and exhaust port design, which results in the inability to adjust the intake air volume and exhaust air volume, reducing the performance of the engine.

[0003] To solve the above problems, the prior art CNU provides a scavenging structure of a cylinder block of a motorcycle two-stroke engine, including a cylinder block, the cylinder block having an intake port and an exhaust port, and further including a control assembly; the control assembly includes a mounting seat, a rotating shaft, a blade, a connecting seat, a driving member, and a detection module, the mounting seat is connected to the cylinder block, the connecting seat is rotatably connected to the mounting seat, the rotating shaft is rotatably connected to the mounting seat, the blade is fixedly connected to the rotating shaft, and during use, the working of the driving member is controlled by the detection module, so that the driving member drives the rotating shaft to rotate, and the rotating shaft drives the blade to rotate, thereby adjusting the intake air volume of the intake port and the exhaust air volume of the exhaust port, avoiding incomplete combustion caused by insufficient intake air, and at the same time avoiding adverse effects such as deflagration caused by untimely exhaust, achieving the purpose of adjusting the intake air volume and exhaust air volume and improving the engine performance.

[0004] However, in the above prior art, the provided blade cannot well collect and discharge the intake air volume and exhaust air volume, affecting the efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a scavenging structure of a cylinder block of a motorcycle two-stroke engine, which solves the technical problem that in the prior art, the provided blade cannot well collect and discharge the intake air volume and exhaust air volume, affecting the efficiency.

[0006] To achieve the above purpose, a scavenging structure of a cylinder block of a motorcycle two-stroke engine adopted by the utility model includes a cylinder block, an intake pipe, an exhaust pipe, and two adjusting mechanisms. Each adjusting mechanism includes a connecting pipe, a driving assembly, a transmission component, and two adjusting doors. The intake pipe is fixedly connected to the cylinder block and is located at one end of the cylinder block. The exhaust pipe is fixedly connected to the cylinder block and is located at the other end of the cylinder block. One of the connecting pipes is fixedly connected to the intake pipe and is located at one end of the intake pipe. The other connecting pipe is fixedly connected to the exhaust pipe and is located at one end of the exhaust pipe. The driving assembly, the transmission component, and the two adjusting doors are respectively arranged on the connecting pipe. The transmission component is fixedly connected to the driving assembly and is located at one end of the driving assembly. The two adjusting doors are rotatably connected to the transmission assembly and are symmetrically arranged at one end of the transmission assembly.

[0007] Wherein, the connecting pipe includes a connecting seat, a pipe body, and a mounting seat. The pipe body is fixedly connected to the connecting seat and is located at one end of the connecting seat. The mounting seat is fixedly connected to the pipe body and is located at one end of the pipe body.

[0008] Wherein, the driving assembly includes a hydraulic telescopic rod and a U-shaped block. One end of the U-shaped block is fixedly connected to the output end of the hydraulic telescopic rod. The other end of the U-shaped block is slidably connected to the mounting seat and is located inside the mounting seat.

[0009] Wherein, the transmission component includes a connecting arm, a disc, and a transmission shaft. One end of the connecting arm is fixedly connected to the U-shaped block and is located at one end of the U-shaped block. The disc is fixedly connected to the connecting arm and is located at the other end of the connecting plate. The transmission shaft is fixedly connected to the disc and is located at one end of the disc.

[0010] Wherein, each regulating door includes a blade and a connecting pin. The connecting pin is fixedly connected to the transmission shaft and is located at one end of the transmission shaft. The blade is fixedly connected to the connecting pin and is located at one end of the connecting pin.

[0011] A scavenging structure of a two-stroke engine cylinder block of a motorcycle according to the present utility model. One of the connecting pipes is fixedly connected to the intake pipe and is located at one end of the intake pipe. The other connecting pipe is fixedly connected to the exhaust pipe and is located at one end of the exhaust pipe. The driving assembly, the transmission component, and the two regulating doors are respectively arranged on the connecting pipe. The transmission component is fixedly connected to the driving assembly and is located at one end of the driving assembly. The two regulating doors are rotatably connected to the transmission assembly and are symmetrically arranged at one end of the transmission assembly. The two connecting pipes are respectively installed on the intake pipe and the exhaust pipe. When adjustment is required, the driving assembly drives the transmission component to rotate, and the transmission component drives the two regulating doors to rotate relatively, so as to open the connecting pipe to a specified position. By this method, the problem that the blades provided cannot well collect and discharge the intake air volume and exhaust air volume, affecting the efficiency, can be effectively solved. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1It is a schematic structural diagram of the scavenging structure of a two-stroke engine cylinder block of the present utility model.

[0014] Figure 2 It is a schematic structural diagram of the adjusting mechanism of the present utility model.

[0015] Figure 3 It is a side view of the adjusting mechanism of the present utility model.

[0016] Figure 4 It is of the present utility model Figure 3 Structural cross-sectional view of line A-A of

[0017] Figure 5 It is a schematic structural diagram of the U-shaped block of the present utility model.

[0018] 101 - Cylinder block, 102 - Intake pipe, 103 - Exhaust pipe, 104 - Adjusting mechanism, 105 - Connecting seat, 106 - Pipe body, 107 - Mounting seat, 108 - Hydraulic telescopic rod, 109 - U-shaped block, 110 - Connecting arm, 111 - Disc, 112 - Transmission shaft, 113 - Blade, 114 - Connecting pin. Detailed implementation mode

[0019] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0020] Please refer to Figures 1 to 5 , wherein Figure 1 It is a schematic structural diagram of the scavenging structure of a two-stroke engine cylinder block of the present utility model, Figure 2 It is a schematic structural diagram of the adjusting mechanism of the present utility model, Figure 3 It is a side view of the adjusting mechanism of the present utility model, Figure 4 It is of the present utility model Figure 3 Structural cross-sectional view of line A-A of Figure 5 It is a schematic structural diagram of the U-shaped block of the present utility model.

[0021] The present utility model provides a scavenging structure for a two-stroke engine cylinder block of a motorcycle, including a cylinder block 101, an intake pipe 102, an exhaust pipe 103, an adjusting mechanism 104, a connecting seat 105, a pipe body 106, a mounting seat 107, a hydraulic telescopic rod 108, a U-shaped block 109, a connecting arm 110, a disc 111, a transmission shaft 112, a blade 113 and a connecting pin 114. The foregoing solution solves the problem that the provided blade 113 cannot collect and discharge the intake air volume and exhaust air volume well, affecting the efficiency.

[0022] For this specific embodiment, the intake pipe 102 is fixedly connected to the cylinder block 101 and is located at one end of the cylinder block 101. The exhaust pipe 103 is fixedly connected to the cylinder block 101 and is located at the other end of the cylinder block 101. One of the connecting pipes is fixedly connected to the intake pipe 102 and is located at one end of the intake pipe 102. The other connecting pipe is fixedly connected to the exhaust pipe 103 and is located at one end of the exhaust pipe 103. The drive assembly, the transmission component, and the two regulating valves are respectively arranged on the connecting pipe. The transmission component is fixedly connected to the drive assembly and is located at one end of the drive assembly. The two regulating valves are rotatably connected to the transmission assembly and are symmetrically arranged at one end of the transmission assembly. The two connecting pipes are respectively installed on the intake pipe 102 and the exhaust pipe 103. When adjustment is required, the drive assembly drives the transmission component to rotate, and the transmission component drives the two regulating valves to rotate relative to each other, thereby adjusting the intake and exhaust volumes of the connecting pipe, so as to better control emissions and improve the efficiency of collecting and treating waste gas.

[0023] Among them, the connecting pipe includes a connecting seat 105, a pipe body 106, and a mounting seat 107. The pipe body 106 is fixedly connected to the connecting seat 105 and is located at one end of the connecting seat 105. The mounting seat 107 is fixedly connected to the pipe body 106 and is located at one end of the pipe body 106. The two pipe bodies 106 are respectively installed on the intake pipe 102 and the exhaust pipe 103 through the two connecting seats 105. The connecting seat 105 has good sealing performance, and the mounting seat 107 is installed on the pipe body 106.

[0024] Secondly, the drive assembly includes a hydraulic telescopic rod 108 and a U-shaped block 109. One end of the U-shaped block 109 is fixedly connected to the output end of the hydraulic telescopic rod 108. The other end of the U-shaped block 109 is slidably connected to the mounting seat 107 and is located inside the mounting seat 107. The hydraulic telescopic rod 108 drives the U-shaped block 109 to slide inside the mounting seat 107.

[0025] At the same time, the transmission component includes a connecting arm 110, a disc 111, and a transmission shaft 112. One end of the connecting arm 110 is fixedly connected to the U-shaped block 109 and is located at one end of the U-shaped block 109. The disc 111 is fixedly connected to the connecting arm 110 and is located at the other end of the connecting plate. The transmission shaft 112 is fixedly connected to the disc 111 and is located at one end of the disc 111. The U-shaped block 109 drives the connecting arm 110 to move, the connecting arm 110 drives the disc 111 to rotate, and the disc 111 drives the transmission shaft 112 to rotate.

[0026] In addition, each of the regulating valves includes a blade 113 and a connecting pin 114. The connecting pin 114 is fixedly connected to the transmission shaft 112 and is located at one end of the transmission shaft 112. The blade 113 is fixedly connected to the connecting pin 114 and is located at one end of the connecting pin 114. The transmission shaft 112 drives the blade 113 to rotate through the connecting pin 114.

[0027] When using the scavenging structure of the cylinder block of a two-stroke motorcycle engine according to this embodiment, during specific use, the two pipe bodies 106 are respectively installed on the intake pipe 102 and the exhaust pipe 103 through the two connecting seats 105. The connecting seats 105 have good sealing performance. When adjustment is required, the hydraulic telescopic rod 108 drives the U-shaped block 109 to slide in the mounting seat 107. The U-shaped block 109 drives the connecting arm 110 to move. The connecting arm 110 drives the disc 111 to rotate. The disc 111 drives the transmission shaft 112 to rotate. The transmission shaft 112 drives the two blades 113 to rotate relatively through the two connecting pins 114, so as to adjust the intake air volume and exhaust air volume of the pipe body 106, thereby being able to better control emissions and improve the efficiency of collecting and treating waste gas.

[0028] The above-disclosed is only a preferred embodiment of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Those of ordinary skill in the art can understand the whole or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A scavenging structure for a two-stroke engine cylinder block of a motorcycle, comprising a cylinder block, an intake pipe and an exhaust pipe. The intake pipe is fixedly connected to the cylinder block and is located at one end of the cylinder block. The exhaust pipe is fixedly connected to the cylinder block and is located at the other end of the cylinder block. It is characterized in that, it further comprises two adjusting mechanisms. Each adjusting mechanism includes a connecting pipe, a driving assembly, a transmission component and two adjusting doors. One of the connecting pipes is fixedly connected to the intake pipe and is located at one end of the intake pipe. The other connecting pipe is fixedly connected to the exhaust pipe and is located at one end of the exhaust pipe. The driving assembly, the transmission component and the two adjusting doors are respectively arranged on the connecting pipe. The transmission component is fixedly connected to the driving assembly and is located at one end of the driving assembly. The two adjusting doors are rotatably connected to the transmission assembly and are symmetrically arranged at one end of the transmission assembly.

2. The scavenging structure for a two-stroke engine cylinder block of a motorcycle according to claim 1, characterized in that, the connecting pipe includes a connecting seat, a pipe body and a mounting seat. The pipe body is fixedly connected to the connecting seat and is located at one end of the connecting seat. The mounting seat is fixedly connected to the pipe body and is located at one end of the pipe body.

3. The scavenging structure for a two-stroke engine cylinder block of a motorcycle according to claim 2, characterized in that, the driving assembly includes a hydraulic telescopic rod and a U-shaped block. One end of the U-shaped block is fixedly connected to the output end of the hydraulic telescopic rod. The other end of the U-shaped block is slidably connected to the mounting seat and is located inside the mounting seat.

4. The scavenging structure for a two-stroke engine cylinder block of a motorcycle according to claim 3, characterized in that, the transmission component includes a connecting arm, a disc and a transmission shaft. One end of the connecting arm is fixedly connected to the U-shaped block and is located at one end of the U-shaped block. The disc is fixedly connected to the connecting arm and is located at the other end of the connecting plate. The transmission shaft is fixedly connected to the disc and is located at one end of the disc.

5. The scavenging structure for a two-stroke engine cylinder block of a motorcycle according to claim 4, characterized in that, each adjusting door includes a blade and a connecting pin. The connecting pin is fixedly connected to the transmission shaft and is located at one end of the transmission shaft. The blade is fixedly connected to the connecting pin and is located at one end of the connecting pin.

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