Oil pump device and compressor with same

Oil pump device and compressor with same

  • CN 106,321,407 B
  • Filed: 07/07/2015
  • Issued: 09/03/2021
  • Est. Priority Date: 07/07/2015
  • Status: Active Grant
First Claim
Patent Images

1. An oil pump apparatus, characterized by comprising:

  • a housing (10) having an oil inlet (12) and an oil outlet (11);

    an oil cylinder (20) arranged in the housing (10);

    the oil pump piston (30) is arranged in the oil cylinder (20) in a reciprocating manner, the oil pump piston (30) is provided with an oil passing channel (31), and the oil passing channel (31) is respectively communicated with the oil inlet (12) and the oil outlet (11);

    the oil inlet valve (40) is arranged at the oil inlet (12) and is used for opening or blocking the oil inlet (12), and a first oil cavity is formed between the oil inlet valve (40) and the oil pump piston (30);

    the oil outlet valve (50) is arranged at an oil passage outlet (32) of the oil passing channel (31) and opens or blocks the oil passage outlet (32), a second oil cavity is formed between the oil outlet valve (50) and the oil outlet (11), and the first oil cavity is communicated with the second oil cavity through the oil passing channel (31);

    the oil pump device further includes;

    a first elastic member (61) connected between the oil pump piston (30) and the oil feed valve (40) and located in the first oil chamber;

    a second elastic member (62) connected between the oil outlet (11) and the oil outlet valve (50) and located in the second oil chamber;

    the shell (10) comprises an oil inlet end cover (14) and an oil outlet end cover (13) which are connected with each other, the oil inlet (12) is formed in the oil inlet end cover (14), and the oil outlet (11) is formed in the oil outlet end cover (13);

    the oil pump device also comprises an oil inlet valve gasket (40 a) which is arranged in the oil inlet end cover (14) and is positioned between the oil inlet valve (40) and the oil inlet (12);

    the oil inlet end cover (14) has arch (16), the end cover that produces oil (13) has draw-in groove (15), draw-in groove (15) with arch (16) buckle is connected, the one end of hydro-cylinder (20) with end cover (13) butt produces oil, the other end of hydro-cylinder (20) with oil inlet end cover (14) butt, so that oil inlet end cover (14) with end cover (13) that produces oil respectively with hydro-cylinder (20) are fixed.

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