Piston type oil-free air pump
An oil-free pump, piston-type technology, applied in the direction of variable-capacity pump components, liquid variable-capacity machinery, pumps, etc., to achieve the effects of simple structure, improved work efficiency, and low cost
Pending Publication Date: 2019-03-12
蔡克 +1
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Problems solved by technology
[0003] Most of the cooling devices of existing air pumps are oil-cooled. Now that environmental protection requirements are becoming increasingly stringent, how to provide an oil-free air pump is a technical problem that those skilled in the art need to solve.
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] Please refer to figure 1 and figure 2 , figure 1 It is a schematic cross-sectional structure schematic diagram of a front view of a piston type oil-free pump air machine provided by a specific embodiment of the present invention; figure 2 It is a schematic side view structural diagram of a piston type oil-free pump air machine provided by a specific embodiment of the present invention.
[0021] A piston-type oil-free pump air machine provided by an...
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The invention discloses a piston type oil-free air pump. The piston type oil-free air pump comprises a shell, a crankshaft, three low-pressure piston connecting rod assemblies, a high-pressure pistonconnecting rod assembly, a cooler and a fan. The three low-pressure piston connecting rod assemblies and the high-pressure piston connecting rod assembly are evenly distributed and installed on an eccentric shaft neck of the crankshaft through bearings in the circumferential direction of the crankshaft. The fan is installed at the tail end of the crankshaft, and the other end of the crankshaft isused for inputting power. The fan is located between the cooler and the shell and used for cooling the cooler, the low-pressure piston connecting rod assemblies and the high-pressure piston connectingrod assembly. Air is continuously conveyed to the cooler through the three low-pressure piston connecting rod assemblies, the working efficiency can be effectively improved, in addition, the four piston connecting rod assemblies and the cooler can be simultaneously cooled through the fan, and therefore compared with a traditional oil cooling manner, the piston type oil-free air pump is simple instructure and relatively low in cost.
Description
technical field [0001] The invention relates to the technical field of air pumps, in particular to a piston type oil-free air pump. Background technique [0002] The air pump is widely used in industries, vehicles and other fields. During the process of compressing the medium, the air pump will generate a lot of heat, especially the temperature of the compression piston will reach 180-200 ℃, and the temperature of the bearing of the connecting rod will also It will rise, which is the key to affecting the normal operation of the pump air machine. [0003] Most of the cooling devices of existing air pumps are oil-cooled. Now that environmental protection requirements are becoming increasingly stringent, how to provide an oil-free air pump is a technical problem to be solved by those skilled in the art. Contents of the invention [0004] In view of this, the object of the present invention is to provide an environmentally friendly piston type oil-free pump air machine with g...
Claims
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IPC IPC(8): F04B25/00F04B39/06
CPCF04B25/005F04B39/06F04B39/066
Inventor 蔡克陈旭朝
Owner 蔡克