Built-in guide oil cylinder

Built-in guide oil cylinder

  • CN 105,443,501 A
  • Filed: 12/25/2015
  • Published: 03/30/2016
  • Est. Priority Date: 12/25/2015
  • Status: Active Application
First Claim
Patent Images

1. a built-in guiding oil cylinder, is characterized in that:

  • comprise lower end cap (1), cylinder barrel (2), upper end cap (3), plunger (4), screwing (5), lower screw (6) and guide pad (8), the middle and upper part of described lower end cap (1) offers lower end cap oil pocket (1-1), left side offers lower end cap filler opening (1-3) and lower end cap oil through (1-2), lower end cap filler opening (1-3) is connected with lower end cap oil pocket (1-1) by lower end cap oil through (1-2), and lower end cap (1) top outer circle wall is provided with lower end cap seal ring (1-4), the bottom of described cylinder barrel (2) offers cylinder barrel lower cylindrical hole (2-1), middle part offers cylindrical hole in the middle part of cylinder barrel (2-2), top offers cylinder barrel Upper cylindrical hole (2-3), in the middle part of cylinder barrel, cylindrical hole (2-2) engages with cylinder barrel lower cylindrical hole (2-1) and cylinder barrel Upper cylindrical hole (2-3) respectively, in the middle part of cylinder barrel, the right side inwall of cylindrical hole (2-2) offers the right guiding groove of cylinder barrel (2-4) of axial up/down perforation, and in the middle part of cylinder barrel, the inner left wall of cylindrical hole (2-2) offers the left guiding groove of cylinder barrel (2-5) of axial up/down perforation, the centre of described upper end cap (3) offers upper end cap plunger hole (3-5), upper end cap plunger hole (3-5) is through upper end cap (3) axially, on the inner peripheral wall of upper end cap plunger hole (3-5), upper end cap dust ring (3-2), upper end cap inner seal ring (3-3), upper end cap guide ring (3-4) are installed from top to bottom, upper end cap (3) lower outer circumferential wall are provided with upper end cap exterior seal ring (3-1), the bottom of described plunger (4) is with plug (4-1), and the middle part of plug (4-1) offers radial through rectangular guide pad and installs through hole (4-2), described lower end cap (1) inserts cylinder barrel lower cylindrical hole (2-1), and is connected by the bottom of lower screw (6) with cylinder barrel (2), realizes sealing by lower end cap seal ring (1-4), described upper end cap (3) inserts cylinder barrel Upper cylindrical hole (2-3), and is connected by the top of screwing (5) with cylinder barrel (2), realizes sealing by upper end cap exterior seal ring (3-1), the guide pad that described guide pad (8) close-fitting is arranged on plug (4-1) is installed in through hole (4-2), and two ends, left and right respectively radial direction exceed the outer surface of plug (4-1), described plunger (4) is arranged in cylinder barrel (2), in the middle part of the outer circle wall of plug (4-1) and cylinder barrel cylindrical hole (2-2) inner peripheral wall between form annular pass (7), the left and right end being arranged on the guide pad (8) on plug (4-1) inserts in the left guiding groove of cylinder barrel (2-5) and the right guiding groove of cylinder barrel (2-4) respectively, the inner wall surface of left guiding groove (2-5) and the right guiding groove of cylinder barrel (2-4) is formed and is slidably matched with cylinder barrel respectively for left and right end outer wall three directions of guide pad (8), upper end cap plunger hole (3-5) is run through on the top of plunger (4), stretch out in upper end cap plunger hole (3-5), and realize dust-proof by upper end cap dust ring (3-2), sealing is realized by upper end cap inner seal ring (3-3), guiding is realized by upper end cap guide ring (3-4).

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