Vehicle-mounted tiny-oil piston machine body structure

Abstract

The vehicle-mounted tiny-oil piston machine body structure comprises an outer shell, a piston, a connecting rod and a crankshaft, the crankshaft is rotationally connected into the outer shell, the piston is connected into the outer shell in an up-down sliding mode and located at the upper end of the crankshaft, and the upper end and the lower end of the connecting rod are rotationally connected with the piston and the crankshaft respectively. An oil receiving shell and an oil stirring box are fixed to the bottom end of the outer shell, the oil stirring box is located on the inner side of the oil receiving shell, and an oil beating needle is vertically fixed to the bottom end side of the connecting rod and located in the outer shell in the position above the oil receiving shell; the utility model has the advantages that the structure is simple, the normal use of the air compressor can be ensured, the maintenance rate is reduced, and the original oil way system can be replaced to improve the lubricating efficiency.

Description

Technical Field

[0001] This utility model relates to the field of new energy vehicle technology, specifically to a vehicle-mounted micro-oil piston machine body structure. Background Technology

[0002] Currently, conventional oil-lubricated air compressors used in new energy vehicles employ an oil pump structure for oil delivery. This structure mainly includes an oil pump, oil pipes, an oil filter, and an oil receiving pan. The oil pump draws lubricating oil from the oil tank and delivers it to the parts requiring lubrication via the oil pipes. The oil filter filters impurities from the lubricating oil to ensure its cleanliness and prevent wear on compressor components. The connection and sealing of the oil pipes are also crucial in the delivery system to prevent oil leakage. Furthermore, the design of the oil delivery system must consider factors such as the compressor's operating pressure, temperature, and speed to ensure proper lubrication under various operating conditions.

[0003] However, due to issues such as seal failure in the current oil circuit system, oil leakage occurs, leading to environmental pollution and waste of lubricating oil. It may also affect the normal operation of the air compressor. Furthermore, the presence of a large amount of oil in the oil circuit system results in significant air leakage during air compressor exhaust. Additionally, lubricating oil may enter the compressed air system, causing a decline in exhaust quality and requiring additional filtration equipment. Given these circumstances, there is a need to develop a lubrication structure that can satisfy lubrication requirements while eliminating the need for an oil circuit system. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a vehicle-mounted micro-oil piston compressor body structure, which has a simple structure, can ensure the normal use of the air compressor and reduce the maintenance rate, and can replace the original oil circuit system to improve lubrication efficiency.

[0005] To solve the above problems, the present invention adopts the following technical solution:

[0006] A vehicle-mounted micro-oil piston machine body structure includes an outer shell, a piston, a connecting rod, and a crankshaft. The crankshaft is rotatably connected to the outer shell. The piston is slidably connected to the outer shell and located at the upper end of the crankshaft. The upper and lower ends of the connecting rod are rotatably connected to the piston and the crankshaft, respectively. An oil receiving shell and an oil dispensing box are fixed at the bottom end of the outer shell. The oil dispensing box is located inside the oil receiving shell. An oil injection needle is vertically fixed at the bottom end of the connecting rod and is located on the front of the oil receiving shell inside the outer shell.

[0007] A further technical solution is that the oil injection needle has a "Z" shaped structure and is fixed to the bottom side of the connecting rod by bolts. The left side of the "Z" shaped oil injection needle can be restricted on the connecting rod so that it cannot move to the right side. Then, it is tightened with bolts, so that the oil injection needle can be firmly fixed to the bottom side of the connecting rod.

[0008] A further technical solution is that the oil dispenser box is also provided with notches, so that when the lubricating oil is stored in the oil receiving shell, the lubricating oil can enter and exit the oil dispenser box more smoothly through the notches.

[0009] The beneficial effects of this utility model are:

[0010] This utility model discloses a vehicle-mounted micro-oil piston compressor body structure to replace the original oil circuit system. It employs an oil injection needle mounted at the bottom of the connecting rod, and an oil receiving shell and an oil distributor box installed at the bottom of the outer casing. The rotation of the crankshaft drives the oil injection needle to move up and down. When the oil injection needle reaches its lowest position, it contacts the lubricating oil in the oil distributor box. The movement of the oil injection needle then flings the lubricating oil onto the inner wall of the outer casing for lubrication. Simultaneously, the oil distributor box is located inside the oil receiving box. This structure avoids significant oil fluctuations during vehicle operation. The entire body structure is simple, ensures normal operation of the air compressor, reduces maintenance, and can replace the original oil circuit system, improving lubrication efficiency. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings required for the work described in the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a perspective view of the body structure of a vehicle-mounted micro-oil piston machine according to the present invention;

[0013] Figure 2 This is a cross-sectional view of the body structure of a vehicle-mounted micro-oil piston machine according to the present invention;

[0014] Figure 3 This is a schematic diagram of the connection between the connecting rod, piston, and crankshaft in the body structure of a vehicle-mounted micro-oil piston machine according to this utility model;

[0015] Figure 4 This is a partial cross-sectional view of the oil dispenser box located inside the oil receiving shell in the body structure of a vehicle-mounted micro-oil piston machine according to this utility model.

[0016] Figure 5 This is a schematic diagram of the oil dispensing box in the body structure of a vehicle-mounted micro-oil piston machine according to this utility model;

[0017] Figure 6 This is a schematic diagram of the oil injection needle in the body structure of a vehicle-mounted micro-oil piston machine according to this utility model.

[0018] Figure 1-6In the middle: 1-outer shell, 2-flanged edge, 3-piston, 4-connecting rod, 5-oil injection needle, 6-crankshaft, 7-oil receiving shell, 8-oil dispenser box, 9-notch. Detailed Implementation

[0019] The preferred embodiments of this utility model will be described in detail below so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of this utility model.

[0020] See Figures 1 to 6 As shown, a vehicle-mounted micro-oil piston machine body structure includes an outer shell 1, a piston 3, a connecting rod 4, and a crankshaft 6. The crankshaft 6 is rotatably connected inside the outer shell 1. The piston 3 is slidably connected inside the outer shell 1 and located at the upper end of the crankshaft 6. The upper and lower ends of the connecting rod 4 are rotatably connected to the piston 3 and the crankshaft 6, respectively. An oil receiving shell 7 and an oil dispensing box 8 are fixed at the bottom end of the outer shell 1. The oil dispensing box 8 is located inside the oil receiving shell 7. An oil injection needle 5 is vertically fixed at the bottom side of the connecting rod 4. The oil injection needle 5 is located on the front of the oil receiving shell 7 inside the outer shell 1.

[0021] The oil injection needle 5 has a "Z" shaped structure and is fixed to the bottom side of the connecting rod 4 with bolts. The left side of the "Z" shaped oil injection needle 5 can be restricted on the connecting rod 4 to prevent it from moving to the right. After being tightened with bolts, the oil injection needle 5 can be firmly fixed to the bottom side of the connecting rod 4. The oil dispenser box 8 also has notches 9. When lubricating oil is stored in the oil receiving shell 7, the notches 9 can make the lubricating oil enter and exit the oil dispenser box 8 more smoothly.

[0022] In this embodiment, the lubricating oil is stored in the oil receiving box 7, and the oil dispenser box 8 is located inside the oil receiving box 7. This structure can avoid significant oil fluctuations during vehicle operation. When the crankshaft 6 rotates, the piston 3 and the oil injection needle 5 move up and down through the connecting rod 4. There is one oil injection needle 5 fixed at the bottom of each side of the crankshaft 6, and there is one oil dispenser box 8 on each side of the corresponding oil receiving box 7. While the oil injection needle 5 moves up and down, its bottom end can contact the lubricating oil in the oil dispenser box 8, and bring out the lubricating oil from the oil dispenser box 8. The crankshaft 6 drives the oil injection needle 5 to rotate up and down, and throw the lubricating oil onto the inner wall of the outer casing 1 to lubricate the piston 3.

[0023] The top left and right sides of the oil dispenser box 8 are provided with flanges 2. The flanges 2 on the oil dispenser box 8 are fixed to the outer shell 1 by bolts. The oil receiving shell 7 is also fixed to the outer shell 1 by bolts, making disassembly, installation and maintenance more convenient. The oil injection needle 5 is 1mm thick. When the oil injection needle 5 moves up and down to the lowest end through the connecting rod 4, the oil injection needle 5 is 0.5mm away from the bottom of the oil dispenser box 8, and the oil injection needle 5 is fully immersed in the lubricating oil for oil dispensing.

[0024] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that are conceived without creative effort should be covered by the protection scope of this utility model.

Claims

1. A vehicle-mounted micro-oil piston engine body structure, comprising an outer shell, a piston, a connecting rod, and a crankshaft, wherein the crankshaft is rotatably connected to the outer shell, the piston is slidably connected vertically within the outer shell and located at the upper end of the crankshaft, and the upper and lower ends of the connecting rod are rotatably connected to the piston and the crankshaft, respectively, characterized in that: The oil receiving shell and the oil pushing box are fixed at the bottom end of the outer shell body, the oil pushing box is located at the inner side of the oil receiving shell, the oil pushing needle is vertically fixed at the bottom end side of the connecting rod, and the oil pushing needle is located at the square upper position of the oil receiving shell in the outer shell body.

2. The micro oil piston engine structure for vehicle according to claim 1, wherein: The oil pushing needle is in a "Z" type structure and is fixed at the bottom end side of the connecting rod by bolts.

3. The micro oil piston engine structure for vehicle according to claim 1, wherein: The oil pushing box is also provided with notches.

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