Pipeline for damage preventing larynx bind round with protect a mouthful piece

The utility model relates to a pipeline for damage preventing larynx bind round with protect a mouthful piece, including hoop shell, worm, steel band, wherein the worm install at hoop in the shell, the free end of steel band passes the hoop shell to slotted hole and worm mesh on the steel band, its...

Full description

Saved in:
Bibliographic Details
Main Author ZHANG BAOKUI
Format Patent
LanguageChinese
English
Published 20.10.2017
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:The utility model relates to a pipeline for damage preventing larynx bind round with protect a mouthful piece, including hoop shell, worm, steel band, wherein the worm install at hoop in the shell, the free end of steel band passes the hoop shell to slotted hole and worm mesh on the steel band, its characterized in that: the hoop shell include last casing that mutual lock is in the same place and casing down, wherein the cross -section of casing becomes C type structure down, and the fastening head's of steel band lower surface is equipped with the recess, places down the casing in the recess to with the stiff end spot welding of steel band together, the upper surface of casing is equipped with the lock tabs under, the cross -section of last casing become some fonts, be equipped with in the both sides of last casing and correspond with above -mentioned lock tabs, and the logical groove of the big or small matching of shape, a mouthful piece is protected in the medial surface welding of casing under, protect t
Bibliography:Application Number: CN20162995169U