Cooling oil duct of motorcycle engine

Abstract

The utility model relates to the technical field of engines, in particular to a cooling oil duct of a motorcycle engine, which comprises a cylinder body, a cylinder head, a cam seat, a plurality of groups of fastening bolts, two cam shafts, four cams, two cooling mechanisms and a connecting assembly, and each cooling mechanism comprises a cam seat oil duct, two cam shaft cooling oil pipes, two cam cooling oil pipes and two oil spraying heads. Engine oil flows out of the cam shaft cooling oil pipe, is discharged through the drainage groove, cools and lubricates the two ends of the cam shaft, flows into the cam cooling oil pipe, is conveyed to the oil spraying head through the cam cooling oil pipe and is discharged through the oil spraying head to cool and lubricate the cam, so that the engine oil can cool the cam shaft and the cam at a fixed point, and the lubricating effect is achieved. The loss of the cam shaft and the cam is reduced, and the problems that the cooling effect of the internal space is poor, internal parts such as the cam and the like cannot be well cooled, abrasion between the parts such as the cam and the like is aggravated, and then the performance of an engine is reduced, and the overall service life is prolonged are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to a cooling oil channel for a motorcycle engine. Background Art

[0002] In actual use, the cylinder head of an existing motorcycle engine is difficult to contact with the running wind, and the thermal load on the cylinder head is serious, which increases the risk of damage to the cylinder head and reduces the overall service life of the engine.

[0003] The prior art CN201818381U discloses an air-cooled motorcycle engine cylinder head, which uses hollow reinforcing ribs to fix stacked cooling blades and tilts outward according to the gradual increase in the outer dimension of the cooling blades, so that cooling air flows between the cooling blades to take away heat, thereby improving the cooling efficiency.

[0004] However, in the above structure, the cooling effect of the internal space is poor, and the internal parts such as the cam cannot be well cooled, which aggravates the wear between the cam and other parts, thereby reducing the performance and overall service life of the engine. Utility Model Content

[0005] The utility model aims to provide a motorcycle engine cooling oil channel, which solves the problem that the cooling effect of the internal space is poor, the internal parts such as the cam cannot get good heat dissipation, the wear between the cam and other parts is aggravated, and the performance and overall service life of the engine are reduced.

[0006] To achieve the above-mentioned purpose, the utility model provides a motorcycle engine cooling oil passage, comprising a cylinder body, a cylinder head, a cam seat, multiple groups of fastening bolts, two camshafts, four cams, two cooling mechanisms and a connecting assembly, wherein the cylinder head is fixedly connected to the cylinder body and is located on the outer side wall of the cylinder body, the cam seat is arranged above the cylinder body, and multiple drainage grooves are arranged on the cam seat, the cam seat and the cylinder body are connected by multiple groups of the fastening bolts, the two camshafts are arranged between the cylinder body and the cam seat, the four cams are respectively fixedly connected to the two camshafts and are located on the outer side walls of the camshafts, the two cooling mechanisms are respectively arranged on the two camshafts, the cooling mechanism comprises a cam seat oil passage and two camshaft cooling oil pipes, the cam seat oil passage is fixedly connected to the cam seat, and the cam seat oil passage runs through the cam seat, the two camshaft cooling oil pipes are respectively arranged at both ends of the cam seat oil passage, and the camshaft cooling oil pipes are connected to the cam seat oil passage.

[0007] Among them, the connecting component assembly includes two oil guide pipes, an oil box and a cylinder head oil channel, the two oil guide pipes are fixedly connected to the cam seat oil channel respectively, and the two oil guide pipes are connected to the cam seat oil channel, the top of the oil box is connected to the two oil guide pipes, and the cylinder head oil channel is connected to the bottom of the oil box.

[0008] Among them, the cooling mechanism also includes a drainage pipe and a guide ring, the drainage pipe is fixedly connected to the cam seat oil channel, the drainage pipe is communicated with the cam seat oil channel, the guide ring is fixedly connected to the drainage pipe, the guide ring and the drainage pipe are communicated with each other, and the guide ring is sleeved on the outer wall of the camshaft.

[0009] Wherein, the cooling mechanism also includes two cam cooling oil pipes and two oil spray heads, the two cam cooling oil pipes are fixedly connected to the cam seat oil passages and are located above the two cams, and the cam cooling oil pipes are communicated with the cam seat oil passages, and the two oil spray heads are respectively fixedly connected to the two cam cooling oil pipes and are respectively located below the two cam cooling oil pipes.

[0010] Wherein, the motorcycle engine cooling oil channel also includes an auxiliary mechanism for preventing pipeline blockage.

[0011] Among them, the auxiliary mechanism includes four mounting plugs, four sealing gaskets and a filter screen. The four mounting plugs are movably arranged at the two ends of the cam seat oil channel respectively. The four sealing gaskets are fixedly connected to the four mounting plugs respectively and are located on the outer side walls of the four mounting plugs respectively. The filter screen is fixedly connected to the oil box and is located on the inner side wall of the oil box.

[0012] The utility model discloses a motorcycle engine cooling oil passage, wherein the engine oil flows in from the cam seat oil passage, and when the engine oil flows out through the camshaft cooling oil pipe, the engine oil enters the drainage groove, and is then discharged through the drainage groove, thereby cooling and lubricating both ends of the camshaft; when the engine oil flows into the cam cooling oil pipe, the engine oil is transported to the oil spray head through the cam cooling oil pipe, and is discharged from the oil spray head, thereby cooling and lubricating the cam, so that the engine oil can cool the camshaft and the cam at a fixed point and play a lubricating role at the same time, thereby achieving direct cooling of the cam working surface when the engine is working and improving the lubrication condition, thereby reducing the loss of the camshaft and the cam, and solving the problem that the cooling effect of the internal space is poor, the internal parts such as the cam cannot be well cooled, the wear between the cam and other parts is aggravated, and the performance of the engine and the overall service life are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is a schematic structural diagram of the cooling mechanism of the first embodiment of the utility model.

[0016] Figure 3 It is a top view of the overall structure of the first embodiment of the utility model.

[0017] Figure 4 yes Figure 3 Sectional view along line AA

[0018] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0019] Figure 6 It is a structural schematic diagram of the oil box and the filter screen of the second embodiment of the utility model.

[0020] 101-cylinder block, 102-cylinder head, 103-cam seat, 104-fastening bolts, 105-camshaft, 106-cam, 107-drainage groove, 108-cam seat oil channel, 109-camshaft cooling oil pipe, 110-cam cooling oil pipe, 111-injection head, 112-oil guide pipe, 113-oil box, 114-cylinder head oil channel, 115-drainage pipe, 116-guide ring, 201-installation plug, 202-sealing gasket, 203-filter. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] First embodiment

[0023] See also Figure 1 to Figure 4 ,in Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a schematic structural diagram of the cooling mechanism of the first embodiment of the utility model. Figure 3 It is a top view of the overall structure of the first embodiment of the utility model. Figure 4 yes Figure 3The utility model provides a motorcycle engine cooling oil passage: comprising a cylinder block 101, a cylinder head 102, a cam seat 103, a plurality of sets of fastening bolts 104, two camshafts 105, four cams 106, two cooling mechanisms and a connecting assembly, wherein the cooling mechanism comprises a cam seat oil passage 108, two camshaft cooling oil pipes 109, two cam cooling oil pipes 110, two oil spray heads 111, a guide pipe 115 and a guide ring 116, and the connecting assembly comprises two oil guide pipes 112, an oil box 113 and a cylinder head oil passage 114. The above structure solves the problem that the cooling effect of the internal space is poor, the internal parts such as the cam 106 cannot be well cooled, the wear between the cam 106 and other parts is aggravated, and the performance of the engine and the overall service life are reduced.

[0024] According to a specific embodiment, the cylinder head 102 is fixedly connected to the cylinder body 101 and is located on the outer wall of the cylinder body 101. The cam seat 103 is arranged above the cylinder body 101, and a plurality of drainage grooves 107 are arranged on the cam seat 103. The cam seat 103 and the cylinder body 101 are connected by a plurality of sets of fastening bolts 104. Two camshafts 105 are arranged between the cylinder body 101 and the cam seat 103. Four cams 106 are respectively connected to the cylinder body 101 and the cam seat 103. The two camshafts 105 are fixedly connected and located on the outer side wall of the camshaft 105. The two cooling mechanisms are respectively arranged on the two camshafts 105. The cam seat oil passage 108 is fixedly connected to the cam seat 103, and the cam seat oil passage 108 runs through the cam seat 103. The two camshaft cooling oil pipes 109 are respectively arranged at the two ends of the cam seat oil passage 108, and the camshaft cooling oil pipes 109 are connected to the cam seat oil passage 108. The cam cooling oil pipe 110 is fixedly connected to the cam seat oil passage 108, and the cam cooling oil pipe 110 is communicated with the cam seat oil passage 108. The two oil spray heads 111 are respectively fixedly connected to the two cam cooling oil pipes 110. The fastening bolts 104 are used to connect the cylinder block 101 and the cam seat 103. The engine oil flows in from the cam seat oil passage 108. When the engine oil flows out through the camshaft cooling oil pipe 109, it enters the drainage groove 107 and is then discharged through the drainage groove 107, thereby cooling and lubricating both ends of the camshaft 105, realizing direct cooling of the working surface of the cam 106 when the engine is working and improving the lubrication conditions, reducing the loss of the camshaft 105 and the cam 106, and solving the problem that the cooling effect of the internal space is poor, the internal parts such as the cam 106 cannot be well cooled, aggravating the wear between the cam 106 and other parts, thereby reducing the performance of the engine and the overall service life.

[0025] Among them, the two oil guide pipes 112 are respectively fixedly connected to the cam seat oil passage 108, and the two oil guide pipes 112 are connected to the cam seat oil passage 108, the top of the oil box 113 is connected to the two oil guide pipes 112, and the cylinder head oil passage 114 is connected to the bottom of the oil box 113. The engine oil enters the oil box 113 through the cylinder head oil passage 114, and is then transported to the cam seat oil passage 108 through the oil guide pipe 112. The engine oil flows out from the pipe on the cam seat oil passage 108 to cool down different components.

[0026] The drainage pipe 115 is fixedly connected to the cam seat oil passage 108, the drainage pipe 115 is communicated with the cam seat oil passage 108, the guide ring 116 is fixedly connected to the drainage pipe 115, the guide ring 116 and the drainage pipe 115 are communicated with each other, and the guide ring 116 is sleeved on the outer side wall of the camshaft 105, the two cam cooling oil pipes 110 are fixedly connected to the cam seat oil passage 108, and the cam cooling oil pipes 110 are communicated with the cam seat oil passage 108, and the two oil spray heads 111 are fixedly connected to the cam seat oil passage 108. The engine oil connected to the two cam cooling oil pipes 110 and flowing into the cam seat oil passage 108 flows into the guide ring 116 through the drainage pipe 115. The guide ring 116 is provided with a hole on the side close to the camshaft 105. The engine oil flows out through the hole on the inner side of the guide ring 116 to further cool the camshaft 105. When the engine oil flows into the cam cooling oil pipe 110, it is transported to the oil spray head 111 through the cam cooling oil pipe 110 and discharged from the oil spray head 111 to cool and lubricate the cam 106.

[0027] When using the motorcycle engine cooling oil passage of the utility model, the engine oil enters the oil box 113 through the cylinder head oil passage 114, and is then transported to the cam seat oil passage 108 through the oil guide pipe 112. When the engine oil flows out of the camshaft cooling oil pipe 109, it enters the drainage groove 107, and is then discharged through the drainage groove 107, thereby cooling and lubricating both ends of the camshaft 105. When the engine oil flows into the cam cooling oil pipe 110, it is transported to the oil spray head 111 through the cam cooling oil pipe 110, and is discharged from the oil spray head 111, cooling and lubricating the cam 106. The liquid enters the drainage pipe 115, is transported to the guide ring 116 through the drainage pipe 115, and is discharged through the hole on the side of the guide ring 116 close to the camshaft 105, so as to cool the middle section of the camshaft 105, thereby achieving direct cooling of the working surface of the cam 106 when the engine is working and improving the lubrication conditions, reducing the loss of the camshaft 105 and the cam 106, and solving the problem that the cooling effect of the internal space is poor, the internal parts such as the cam 106 cannot get good heat dissipation, aggravates the wear between the cam 106 and other parts, and thus reduces the performance of the engine and the overall service life.

[0028] Second embodiment

[0029] See also Figure 5-6 ,in Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 6 It is a structural schematic diagram of the oil box and the filter screen of the second embodiment of the utility model.

[0030] On the basis of the first embodiment, a motorcycle engine cooling oil channel of the utility model further includes an auxiliary mechanism, which includes four mounting plugs 201 , four sealing pads 202 and a filter screen 203 .

[0031] According to a specific implementation, the auxiliary mechanism is used to prevent the pipeline from being blocked by oil dirt and impurities in the engine oil.

[0032] Among them, the four mounting plugs 201 are movably arranged at the two ends of the cam seat oil passage 108, the four sealing gaskets 202 are fixedly connected to the four mounting plugs 201, and are respectively located on the outer side walls of the four mounting plugs 201, the filter 203 is fixedly connected to the oil box 113, and is located on the inner side wall of the oil box 113. When the engine oil enters the oil box 113 through the cylinder head oil passage 114, the filter 203 filters the inflowing engine oil to prevent the oil dirt and impurities in the engine oil from clogging the pipeline. When blockage occurs, the mounting plug 201 on the cam seat oil passage 108 can be removed to facilitate the cleaning of the cam seat oil passage 108. The sealing gasket 202 is used to prevent the engine oil from flowing out.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A motorcycle engine cooling oil channel, characterized in that: The invention comprises a cylinder body, a cylinder head, a cam seat, multiple groups of fastening bolts, two camshafts, four cams, two cooling mechanisms and a connecting assembly, wherein the cylinder head is fixedly connected to the cylinder body and is located on the outer side wall of the cylinder body, the cam seat is arranged above the cylinder body, and multiple drainage grooves are arranged on the cam seat, the cam seat and the cylinder body are connected by multiple groups of the fastening bolts, the two camshafts are arranged between the cylinder body and the cam seat, the four cams are respectively fixedly connected to the two camshafts and are located on the outer side walls of the camshafts, the two cooling mechanisms are respectively arranged on the two camshafts, the cooling mechanisms comprise a cam seat oil passage and two camshaft cooling oil pipes, the cam seat oil passage is fixedly connected to the cam seat, and the cam seat oil passage runs through the cam seat, the two camshaft cooling oil pipes are respectively arranged at both ends of the cam seat oil passage, and the camshaft cooling oil pipes are communicated with the cam seat oil passage.

2. A motorcycle engine cooling oil passage as claimed in claim 1, characterized in that: The connecting component assembly includes two oil guide pipes, an oil box and a cylinder head oil passage. The two oil guide pipes are respectively fixedly connected to the cam seat oil passage, and the two oil guide pipes are connected to the cam seat oil passage. The top of the oil box is connected to the two oil guide pipes, and the cylinder head oil passage is connected to the bottom of the oil box.

3. A motorcycle engine cooling oil passage as claimed in claim 1, characterized in that: The cooling mechanism also includes a guide pipe and a guide ring, the guide pipe is fixedly connected to the cam seat oil passage, the guide pipe is communicated with the cam seat oil passage, the guide ring is fixedly connected to the guide pipe, the guide ring and the guide pipe are communicated with each other, and the guide ring is sleeved on the outer side wall of the camshaft.

4. A motorcycle engine cooling oil passage as claimed in claim 1, characterized in that: The cooling mechanism also includes two cam cooling oil pipes and two oil spray heads. The two cam cooling oil pipes are fixedly connected to the cam seat oil passages and are located above the two cams, and the cam cooling oil pipes are communicated with the cam seat oil passages. The two oil spray heads are respectively fixedly connected to the two cam cooling oil pipes and are respectively located below the two cam cooling oil pipes.

5. A motorcycle engine cooling oil passage as claimed in claim 2, characterized in that: The motorcycle engine cooling oil channel also includes an auxiliary mechanism for preventing the channel from being blocked.

6. A motorcycle engine cooling oil passage as claimed in claim 5, characterized in that: The auxiliary mechanism includes four mounting plugs, four sealing pads and a filter screen. The four mounting plugs are movably arranged at both ends of the cam seat oil passage, and the four sealing pads are fixedly connected to the four mounting plugs. The filter screen is fixedly connected to the oil box and is respectively located on the outer side walls of the four mounting plugs. And is located on the inner side wall of the oil box.

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