CN219101456U

CN219101456U - Motorcycle engine

Info

Publication number: CN219101456U
Application number: CN202320068402.XU
Authority: CN
Inventors: 郑海刚; 张立成; 颜阳益; 潘江伟; 莫康鑫
Original assignee: Zhejiang Qianjiang Motorcycle Co Ltd
Current assignee: Zhejiang Qianjiang Motorcycle Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-30
Anticipated expiration: 2033-01-10

Abstract

The utility model provides a motorcycle engine, and belongs to the technical field of engines. The utility model comprises a box body, wherein a side cover is arranged on the side part of the box body, a counter shaft is arranged in the box body, a side rear cover is arranged on the side part of the output end of the counter shaft, and the box body is characterized in that an accommodating gap penetrating up and down is arranged between the output end of the counter shaft and the side cover, a water pump water outlet pipe and an inner circulating water return pipe are embedded in the accommodating gap, the side rear cover is arranged on the water pump water outlet pipe and the inner circulating water return pipe, the water pump water outlet pipe and the inner circulating water return pipe are embedded in the accommodating gap, the accommodating gap between the output end of the counter shaft and the side cover can be fully utilized, so that the structural arrangement of an engine is more compact, the burden of the engine is reduced, the stability is increased, and in addition, the side rear cover is arranged on the water pump water outlet pipe and the inner circulating water return pipe, the pipeline is protected, and the damage risk of the pipeline is reduced.

Description

Motorcycle engine

Technical Field

The utility model belongs to the technical field of engines, and particularly relates to a motorcycle engine.

Background

The existing engines are all provided with cooling systems, wherein the water cooling has the advantages of good cooling effect and uniform cooling, so that the cooling method is common in life, and cooling water flows in the engine in a circulating way through the alternate use of internal small circulation and external large circulation.

Although the water cooling has a good cooling effect, the water cooling needs more water pipes to be connected with some accessory parts of the engine, the pipelines are criss-cross, the structural arrangement of the pipelines is not compact enough, the whole volume of the engine is larger, and the stability is reduced; meanwhile, the water pipe is directly exposed to the outside, so that the pipeline is easily damaged by collision, and the cooling effect is reduced.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a motorcycle engine, which aims at solving the technical problems that: and the engine structure is more compact, and the stability is improved.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a motorcycle engine, includes the box, the side cap is installed to box lateral part, have the countershaft in the box, the output lateral part of countershaft is installed the side and is covered, its characterized in that, the output of countershaft with hold the clearance that runs through from top to bottom between the side cap, it is embedded to be equipped with water pump outlet pipe and inner loop wet return to hold the clearance, the side is covered and is established the water pump outlet pipe with on the inner loop wet return.

The water outlet pipe and the internal circulation water return pipe of the water pump are embedded in the accommodating gap, the output end of the auxiliary shaft can be fully utilized, the accommodating gap between the side covers is used, the structural arrangement of the engine is more compact, the burden of the engine is reduced, the stability is improved, and in addition, the side rear cover is arranged on the water outlet pipe and the internal circulation water return pipe of the water pump, so that a pipeline is protected, and the damage risk of the pipeline is reduced.

In the motorcycle engine, the inner circulation water return pipe is bent outwards to form an overlapping space, and the water outlet pipe part of the water pump is positioned in the overlapping space. The internal circulation water return pipe is outwards bent to provide space for the water pump water outlet pipe, the transverse occupied area is reduced due to the overlapped arrangement of the internal circulation water return pipe and the water pump water outlet pipe, the accommodating gap between the auxiliary shaft output end and the side cover can be further reduced, the whole structure of the engine is more compact, and the stability of the engine is further improved.

In the motorcycle engine, the part of the side rear cover, which shields the water outlet pipe of the water pump and the internal circulation water return pipe, is provided with a flange protruding inwards, the flange is arranged around the edge of the side rear cover, two notches are arranged on the arrangement path of the internal circulation water return pipe, and the internal circulation water return pipe can be embedded into the two notches. The inner circulation water return pipe bent outwards is relatively fixed by the notch, so that the shaking of the inner circulation water return pipe is avoided, and the damage risk of the inner circulation water return pipe is reduced.

In the motorcycle engine, a water distribution chamber is arranged above the side cover, a water pump is arranged below the side cover, one end of a water outlet pipe of the water pump is connected with the water distribution chamber, the other end of the water outlet pipe of the water pump is connected with the water pump, and the water outlet pipe of the water pump is arranged along the periphery of the side cover. The water pump is introduced the water in the water tank into the water pump outlet pipe and then fills the water distribution room and distributes the water, and then flows into the engine for cooling, and the water pump outlet pipe is arranged along the periphery of the side cover, so that the water pump outlet pipe is as close to the side cover as possible, the gap between the water pump outlet pipe and the side cover is reduced, and the engine is more compact in structure.

In the motorcycle engine, a thermostat is arranged above the box body, one end of the internal circulation water return pipe is communicated with the water pump, and the other end of the internal circulation water return pipe is connected with the thermostat. When the internal small circulation is carried out, cooling water flowing out of the engine continuously participates in circulation cooling along the internal circulation water return pipe which returns to the water pump, the internal circulation water return pipe is arranged from top to bottom, and the upper end of the internal circulation water return pipe is arranged along the outer wall of the engine as much as possible so as to reduce the volume, so that the engine structure is more compact and concentrated.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the water pump water outlet pipe and the internal circulation water return pipe are arranged between the side cover and the auxiliary shaft output end, and the side cover, the water pump water outlet pipe, the internal circulation water return pipe and the auxiliary shaft output end are more compact through superposition arrangement of the internal circulation water return pipe and the water pump water outlet pipe, and the water pump water outlet pipe and the internal circulation water return pipe are as close to the outer wall of the engine as possible, so that the whole structure of the engine is more compact, the burden of the engine is reduced, and the stability is increased; meanwhile, the side rear cover shields the water outlet pipe of the water pump and the internal circulation water return pipe, so that the damage risk of the cooling pipeline is greatly reduced, and the cooling effect is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a side rear cover of the present utility model;

fig. 4 is a schematic diagram of a second embodiment of the present utility model.

Wherein, 1, the box body; 11. a secondary shaft; 2. a side cover; 3. a side rear cover; 31. a flange; 32. a notch; 4a, an accommodation gap; 4b, overlapping space; 5. a water outlet pipe of the water pump; 6. an internal circulation return pipe; 7. a water distribution chamber; 8. a water pump; 9. a thermostat.

Detailed Description

The following is a specific embodiment of the present utility model and a technical solution of the present utility model is further described with reference to the accompanying drawings, but the present utility model is not limited to the following embodiment.

As can be seen from fig. 1 to 4, a motorcycle engine comprises a box 1, a side cover 2 is mounted on the side of the box 1, a secondary shaft 11 is arranged in the box 1, a side rear cover 3 is mounted on the side of the output end of the secondary shaft 11, a water distribution chamber 7 is arranged above the side cover 2, a water pump 8 is arranged below the side cover 2, a thermostat 9 is arranged above the box 1, and a containing gap 4a penetrating up and down is formed between the output end of the secondary shaft 11 and the side cover 2. The utility model also comprises a water pump water outlet pipe 5 and an internal circulation water return pipe 6, wherein the overall trend of the water pump water outlet pipe 5 and the internal circulation water return pipe 6 is up and down, one end of the internal circulation water return pipe 6 is communicated with a water pump 8, the other end of the internal circulation water return pipe is connected with a thermostat 9, one end of the water pump water outlet pipe 5 is connected with a water distribution chamber 7, and the other end of the water pump water outlet pipe is connected with the water pump 8. In order to make the structure of the engine more compact and make the arrangement of the cooling pipeline more reasonable, the water pump water outlet pipe 5 and the internal circulation water return pipe 6 are embedded in the accommodating gap 4a, and the accommodating gap 4a is fully utilized.

In this embodiment, the inner circulation water return pipe 6 forms the coincide space 4b after buckling to the outside and provides the space of wearing to establish for the water pump outlet pipe 5, and water pump outlet pipe 5 part is in coincide space 4b, and the coincide arrangement of inner circulation water return pipe 6 and water pump outlet pipe 5 makes horizontal occupation area reduce, can further reduce the accommodation clearance between countershaft 11 output and the side cap 2 for the overall structure of engine is compacter, further promotes the stability of engine. Furthermore, setting the water pump outlet pipe 5 along the outer periphery of the side cover 2 and setting the upper end of the inner circulation water return pipe 6 along the outer wall of the engine as much as possible can reduce the gap between each other so as to achieve the purpose of more compact engine structure.

In order to prevent the water pump water outlet pipe 5 and the inner circulation water return pipe 6 from being directly exposed to the outside and being damaged by external force, the water pump water outlet pipe 5 and the inner circulation water return pipe 6 reduce the cooling effect, therefore, in order to ensure the cooling effect of an engine, the side rear cover 3 is covered on the water pump water outlet pipe 5 and the inner circulation water return pipe 6, in order to prevent sediment, the part of the side rear cover 3, which shields the water pump water outlet pipe 5 and the inner circulation water return pipe 6, is provided with a flange 31 protruding inwards, the flange 31 is arranged around the edge of the side rear cover 3, the flange 31 is provided with two notches 32 along the arrangement path of the inner circulation water return pipe 6, the inner circulation water return pipe 6 can be embedded into the two notches 32, the inner circulation water return pipe 6 is relatively fixed, the shaking of the inner circulation water return pipe 6 is avoided, and the damage risk is reduced.

According to the utility model, the water pump water outlet pipe 5 and the internal circulation water return pipe 6 are arranged between the side cover 2 and the output end of the auxiliary shaft 11, and the side cover 2, the water pump water outlet pipe 5, the internal circulation water return pipe 6 and the auxiliary shaft 11 are more compact through the superposition arrangement of the internal circulation water return pipe 6 and the water pump water outlet pipe 5, and the water pump water outlet pipe 5 and the internal circulation water return pipe 6 are as close to the outer wall of the engine as possible, so that the whole structure of the engine is more compact, the burden of the engine is reduced, and the stability is increased.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a motorcycle engine, includes box (1), side cap (2) are installed to box (1) lateral part, have auxiliary shaft (11) in box (1), lid (3) are behind the output lateral part of auxiliary shaft (11) is installed to the side, a serial communication port, the output of auxiliary shaft (11) with accommodation gap (4 a) that run through from top to bottom have between side cap (2), accommodation gap (4 a) are embedded to be equipped with water pump outlet pipe (5) and inner loop wet return (6), lid (3) lid are established behind the side water pump outlet pipe (5) with on inner loop wet return (6).

2. A motorcycle engine according to claim 1, characterized in that the inner circulation return pipe (6) is bent outwards to form a superposition space (4 b), and the water pump outlet pipe (5) is partially located in the superposition space (4 b).

3. A motorcycle engine according to claim 2, characterized in that the part of the side rear cover (3) which shields the water pump water outlet pipe (5) and the inner circulation water return pipe (6) is provided with a flange (31) which protrudes inwards, the flange (31) is arranged around the edge of the side rear cover (3), the flange (31) is provided with two notches (32) along the arrangement path of the inner circulation water return pipe (6), and the inner circulation water return pipe (6) can be embedded into the two notches (32).

4. A motorcycle engine according to any one of claims 1 to 3, characterized in that a water distribution chamber (7) is provided above the side cover (2), a water pump (8) is provided below the side cover (2), one end of the water pump outlet pipe (5) is connected with the water distribution chamber (7), the other end is connected with the water pump (8), and the water pump outlet pipe (5) is provided along the periphery of the side cover (2).

5. A motorcycle engine according to any one of claims 1 to 3, wherein a thermostat (9) is provided above the tank (1), and the inner circulation return pipe (6) has one end connected to the water pump (8) and the other end connected to the thermostat (9).