Title:
HIDDEN HOLE WARNING SIGN SETTING DEVICE FOR URBAN WATERLOGGING
Document Type and Number:
WIPO Patent Application WO/2021/022492
Kind Code:
A1
Abstract:
The present invention relates to the technical field of municipal warning devices. Disclosed is a hidden hole warning sign setting device for urban waterlogging. In view of the existing shortcomings of potential safety hazards, the following solution is now proposed: the device comprises a fixed box and a hidden hole. A support column is threadedly connected to the upper side of the fixed box. A protective cover is fixedly sleeved on the top end of the support column. A warning device is fixedly connected to the upper end of the support column by means of bolts. An extendable device is fixedly connected to one side of the fixed box by means of bolts, and a limiting plate is fixedly connected to the other end of the extendable device. The limiting plate is in contact with the sidewall of the hidden hole. A plurality of weight blocks are snap-fitted to one side of the fixed box. The present invention is simple in structure and convenient to use, and can meet the warning need well and enhance the warning effect; in addition, data around the hidden hole can be collected during use, so that the stability of the whole device is ensured, the warning effect is ensured, and the potential safety hazards are avoided.
Inventors:
LIU HAOYUAN (CN)
Application Number:
PCT/CN2019/099516
Publication Date:
February 11, 2021
Filing Date:
August 06, 2019
Export Citation:
Assignee:
TANGSHAN HARBIN SHIP TECH CO LTD (CN)
International Classes:
F21S8/08; F21V15/01; F21V19/00; F21V21/22; F21V23/00; F21V33/00; F21W111/00; F21Y115/10
Foreign References:
| CN204530954U | 2015-08-05 | |||
| CN208918321U | 2019-05-31 | |||
| CN105970848A | 2016-09-28 | |||
| CN206541435U | 2017-10-03 | |||
| JP2001003380A | 2001-01-09 | |||
| CN201172800Y | 2008-12-31 | |||
| CN107675730A | 2018-02-09 |
Attorney, Agent or Firm:
IP MARCH (CN)
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