Title:
レバー付バタフライ弁及びそれを備えた粉粒体運搬車
Document Type and Number:
Japanese Patent JP6860441
Kind Code:
B2
Abstract:
To make a malfunction hard to occur and to make snow or the like hard to be stagnated even in a case trouble occurs in an energization member in a butterfly valve with lever.SOLUTION: An opening/closing lever 25 is provided for opening/closing a valve main body 21 by means of a valve body 24 by rotating a valve rod 23 in a horizontal direction, and a lever type clutch 26 is supported in such a manner that the lever type clutch can be oscillated vertically around an oscillation shaft 26a which is provided on a wall part constituting a groove part 25a formed in the opening/closing lever 25. A clutch claw 26b in a tip of the lever type clutch is oscillated upwards and engaged with a latch which is provided in an extension part 22, such that the valve body 24 is fixed at a predetermined position. A compression coil spring 29 is provided for energizing a crimp part 26c of the lever type clutch 26 in such a manner that the clutch claw 26b is engaged with the latch, and an oscillation direction by a dead weight of the crimp part 26c of the lever type clutch 26 is matched with an oscillation direction by energization of the compression coil spring 29.SELECTED DRAWING: Figure 4
Inventors:
Kenji Kanazawa
Namerikawa Hiroshi
Namerikawa Hiroshi
Application Number:
JP2017141776A
Publication Date:
April 14, 2021
Filing Date:
July 21, 2017
Export Citation:
Assignee:
ShinMaywa Industries,Ltd.
International Classes:
F16K35/00; B60P3/22; F16K31/44; F16K35/02; G05G5/06
Domestic Patent References:
| JP4328177B1 | ||||
| JP2013100892A | ||||
| JP57112230A | ||||
| JP50142227U | ||||
| JP53149232U | ||||
| JP530673U | ||||
| JP2012522202A |
Foreign References:
| US1587091 |
Attorney, Agent or Firm:
Maeda patent office