JPH03123992U

JPH03123992U -

Info

Publication number: JPH03123992U
Application number: JP3402790U
Authority: JP
Priority date: 1990-03-30
Filing date: 1990-03-30
Publication date: 1991-12-17

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示すパツキンの正
面図、第２図は従来のギヤポンプの一例を示す断
面図、第３図は第２図の−線部分断面図、第
４図は第３図におけるパツキンの拡大正面図、第
５図は第２図の−線断面図である。１……ハウジング、２，３……回転軸、４，５
……ギヤ、６……吐出口、７……吸入口、８，９
……側板、１０，１１……パツキン、１１Ａ……
係止凹部、１１Ｂ……係止凸部、１２，１３，１
４……溝、２０……パツキン、２１……パツキン
部材、２２……バツクアツプリング、２３……係
止凸部、２４……係止凹部。 Fig. 1 is a front view of a packing showing an embodiment of the present invention, Fig. 2 is a sectional view showing an example of a conventional gear pump, Fig. 3 is a partial sectional view taken along the line - - in Fig. 2, and Fig. 4 is a sectional view showing an example of a conventional gear pump. 3 is an enlarged front view of the packing, and FIG. 5 is a sectional view taken along the line -- in FIG. 2. 1... Housing, 2, 3... Rotating shaft, 4, 5
...Gear, 6...Discharge port, 7...Suction port, 8,9
...Side plate, 10, 11...Packskin, 11A...
Locking recess, 11B... Locking protrusion, 12, 13, 1
4... Groove, 20... Packing, 21... Packing member, 22... Backup spring, 23... Locking protrusion, 24... Locking recess.

Claims

[Scope of utility model registration request]

It is installed in a gear pump or gear motor so as to be sandwiched between the outer surface of the side plate arranged so that the inner surface abuts one end surface of the pair of gears and the inner surface of the housing, and the outer packing member and the packing member are connected to each other. It consists of an inner back-up spring formed in a shape that follows the inner contour, and one or more locking protrusions are provided on one side of the packing member and the back-up spring, and a locking member that engages with the locking protrusion on the other side. A packing for a gear pump or gear motor characterized by having a locking recess.