Pump assembly for hydraulic tool

• Main Author: MYRHUM, JAMES, O., JR
• Format: Patent
• Language: Chinese; English
• Published: 16.04.2024
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a pump assembly for a hydraulic tool, which comprises a reciprocating motion block configured to move between a retraction position and an extension position, a plurality of inclined cam surfaces are formed in the reciprocating motion block; a plurality of cam followers, each cam follower of the plurality of cam followers being configured to engage one of the plurality of inclined cam surfaces, thereby moving the reciprocating block between the retracted position and the extended position; and a plurality of planetary elements having a race portion and a gearing portion, the plurality of cam followers engaging the plurality of planetary elements at the race portion. 本实用新型公开了一种用于液压工具的泵组件，该泵组件包括：往复运动块，该往复运动块被配置成在缩回位置与伸出位置之间运动，多个倾斜凸轮表面形成在所述往复运动块中；多个凸轮从动件，所述多个凸轮从动件中的每个凸轮从动件配置成接合所述多个倾斜凸轮表面中的一个倾斜凸轮表面，从而使所述往复运动块在所述缩回位置和所述伸出位置之间运动；以及多个行星元件，所述多个行星元件具有座圈部分和齿轮传动部分，所述多个凸轮从动件在所述座圈部分处接合所述多个行星元件。