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Patent Searching and Data


Title:
THREE-MODE GEOMAGNETIC TESTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/088785
Kind Code:
A1
Abstract:
A three-mode geomagnetic testing apparatus, comprising an upper cover (1), a lower housing (2), and an inner container (3). A bottom portion of the inner container (3) is detachably connected to a bottom portion of the upper cover (1), the inner container (3) is sleeved in the upper cover (1), and the upper cover (1) is clamped and connected to the lower housing (2). By means of the design of the inner container (3), use of an O-shaped sealing ring is avoided, preventing poor sealing caused by deformation of an O-shaped sealing ring when a vehicle drives past; meanwhile, opening for replacing components is facilitated.

Inventors:
LI DAPENG (CN)
ZHONG BINGDA (CN)
Application Number:
PCT/CN2021/108114
Publication Date:
May 05, 2022
Filing Date:
July 23, 2021
Export Citation:
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Assignee:
HANGZHOU MOVEROAD TECH CO LTD (CN)
International Classes:
G08G1/042
Foreign References:
CN213339129U2021-06-01
CN209044893U2019-06-28
CN211128560U2020-07-28
CN207891776U2018-09-21
US20120007749A12012-01-12
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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