Abstract: The disclosure provides an inflatable pump comprising an inflatable pump body, a plastic air cylinder and a plastic disc. A side of the inflatable pump body is provided with a bracket, the plastic air cylinder and the bracket are connected to each other through rotary joint protrusions and rotary joint holes, and the plastic disc is fastened to a top side of the plastic cylinder. By adopting the inflatable pump of the disclosure, the production and processing of the plastic air cylinder and the plastic disc is more convenient and will not cause environmental pollution. Meanwhile, the plastic air cylinder and the plastic disc can meet structural accuracy requirements of the inflatable pump. Furthermore, the plastic air cylinder and the bracket are connected to each other through rotary joint protrusions and rotary joint holes, no additional fasteners and assembly jigs are needed.

Abstract: An eccentric gear structure includes a gear block and an eccentric block embedded into the gear block; the gear block is provided with an accommodating cavity suitable for embedment of the eccentric block, the eccentric block is provided with a first through hole and a second through hole that deviates from the first through hole; an embedding hole is provided at an axis of the gear block, and an axis of the first through hole coincides with an axis of the embedding hole. The eccentric gear structure ensures the quality of the product through the embedded structure.

Abstract: The invention relates to an automobile inflatable pump comprising: a driving assembly; a rocker arm, a rear end of which is mounted on a power output end of the drive assembly; a cylinder block connected to the drive assembly and defining a piston cavity inside; a piston provided on a front end of the rocker arm, the piston being movably received in the piston cavity to divide the piston cavity into a front cavity having an inflation inlet and a rear cavity communicating with the external environment, the drive assembly driving the rocker arm to rotate, thus the piston moves back and forth in a straight line; and a sealing ring provided in the first annular groove, a front end of the sealing ring protruding at least in part beyond the outer peripheral wall of the piston. The invention has beneficial effects of simplified structure, improved production efficiency, and reduced costs.

Abstract: The application discloses a plastic air pump mechanism, which comprises a plastic body, a plastic output unit and an actuating unit; the plastic body has an integrally forming structure, which comprises a plastic cylinder and a plastic bracket disposed at an air inlet end of the plastic cylinder; the plastic output unit is detachably connected to an air outlet end of the plastic cylinder; the actuating unit comprises a motor, plastic gears disposed on the plastic bracket and electrically connected to the motor, and a plastic rocker arm driven by the plastic gears to realize reciprocating of a piston in the plastic cylinder; and a large body insert of metal is provided in an air outlet of the plastic cylinder. The plastic air pump mechanism can reduce product weight, simplify production and installation processes, save materials and labor costs, and reduce self weight of a vehicle.

Abstract: The disclosure provides a mechanism for sealing cylinder and cylinder head, comprising a gas outlet portion of the cylinder, the cylinder head and a seal structure; wherein the gas outlet portion is provided with an outlet and a position-retaining protruding edge surrounding an outside of the outlet; the seal structure comprises a first sealing ring arranged inward of the position-retaining protruding edge and comprises a heat insulating sheet, wherein the heat insulating sheet covers the first sealing ring to seal the outlet; the cylinder head covers the gas outlet portion, and a movable member and an elastic member configured to tightly press the movable member against the heat insulating sheet are arranged inside the cylinder head.

Abstract: The disclosure provides an inflatable pump comprising an inflatable pump body, a plastic air cylinder and a plastic disc. A side of the inflatable pump body is provided with a bracket, the plastic air cylinder and the bracket are connected to each other through rotary joint protrusions and rotary joint holes, and the plastic disc is fastened to a top side of the plastic cylinder. By adopting the inflatable pump of the disclosure, the production and processing of the plastic air cylinder and the plastic disc is more convenient and will not cause environmental pollution. Meanwhile, the plastic air cylinder and the plastic disc can meet structural accuracy requirements of the inflatable pump. Furthermore, the plastic air cylinder and the bracket are connected to each other through rotary joint protrusions and rotary joint holes, no additional fasteners and assembly jigs are needed.

Abstract: The invention relates to an automobile inflatable pump comprising: a driving assembly; a rocker arm, a rear end of which is mounted on a power output end of the drive assembly; a cylinder block connected to the drive assembly and defining a piston cavity inside; a piston provided on a front end of the rocker arm, the piston being movably received in the piston cavity to divide the piston cavity into a front cavity having an inflation inlet and a rear cavity communicating with the external environment, the drive assembly deriving the rocker arm to rotate, thus the piston moves back and forth in a straight line; and a sealing ring provided in the first annular groove, a front end of the sealing ring protruding at least in part the outer peripheral wall of the piston. The invention has beneficial effects of simplified structure, improved production efficiency, and reduced costs.

Abstract: The application discloses an eccentric gear structure comprising a gear block and an eccentric block embedded into the gear block; the gear block is provided with an accommodating cavity suitable for embedment of the eccentric block, the eccentric block is provided with a first through hole and a second through hole that deviates from the first through hole; an embedding hole is provided at an axis of the gear block, and an axis of the first through hole coincides with an axis of the embedding hole. The eccentric gear structure of the application ensures the quality of the product through the embedded structure.

Abstract: The application discloses a plastic air pump mechanism, which comprises a plastic body, a plastic output unit and an actuating unit; the plastic body has an integrally forming structure, which comprises a plastic cylinder and a plastic bracket disposed at an air inlet end of the plastic cylinder; the plastic output unit is detachably connected to an air outlet end of the plastic cylinder; the actuating unit comprises a motor, plastic gears disposed on the plastic bracket and electrically connected to the motor, and a plastic rocker arm driven by the plastic gears to realize reciprocating of a piston in the plastic cylinder; and a large body insert of metal is provided in an air outlet of the plastic cylinder. The plastic air pump mechanism can reduce product weight, simplify production and installation processes, save materials and labor costs, and reduce self weight of a vehicle.

Abstract: A plastic air pump movement comprises a plastic cylinder, a plastic piston, a plastic output plate and a power mechanism, wherein the power mechanism comprises a plastic gear, a plastic swing arm and a motor. It further comprises a plastic support for fixing and supporting the motor, the plastic gear, the plastic swing arm and the plastic cylinder. The plastic output plate is fixedly connected with the plastic cylinder by a rotary snap-fit joint. The plastic support is fixedly connected with the motor and the plastic cylinder by rotary snap-fit joints. The plastic air pump movement is integrally arranged within a plastic housing. A groove fitting with the plastic cylinder, the plastic output plate, the plastic support, the plastic swing arm, the plastic gear and the motor is provided within the plastic housing. Due to the components made of plastic material, it has light weight.