Title:
液体圧送装置のばね固定構造
Document Type and Number:
Japanese Patent JP7449595
Kind Code:
B2
Abstract:
To provide a spring fixing structure for a liquid pumping device which can improve the durability of a spring member.SOLUTION: A liquid pumping device 1 comprises: a float 24 accommodated in a vessel 2 and detecting a level WL of liquid W stored in the vessel 2; opening/closing valves 20, 22 which open and close on the basis of the level WL detected by the float 24; and an operation mechanism 26 for connecting the opening/closing valves 20, 22 with the float 24. The operation mechanism 26 has a plurality of link members 28 and a spring member 30. The spring member 30 has a spring body 52 composed of a coil spring, a first plug 54 to abut on one end part 52a of the spring body 52, and a second plug 56 to abut on the other end part 52b of the spring body 52. The spring body 52 is pinched by the first plug 54 and the second plug 56.SELECTED DRAWING: Figure 3
Inventors:
Kengo Konishi
Application Number:
JP2022030786A
Publication Date:
March 14, 2024
Filing Date:
March 01, 2022
Export Citation:
Assignee:
Miyawaki Co., Ltd.
International Classes:
F16T1/24
Domestic Patent References:
| JP7035296A | ||||
| JP2012002111A | ||||
| JP2021042780A |
Attorney, Agent or Firm:
Shuji Sugimoto
Takero Tsutsumi
Daisuke Kaneko
Kenichi Nakata
Takero Tsutsumi
Daisuke Kaneko
Kenichi Nakata