Safety fire hydrant
A fire hydrant and safety technology, applied in the field of safety fire hydrants, can solve problems such as water leakage and hydrant valve damage, and achieve the effects of reducing the waste of water resources, preventing leakage, and reducing the impact of the surrounding environment.
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[0016] The structural features of the present invention will be further described below in conjunction with the drawings and embodiments.
[0017] Such as figure 1 The safety fire hydrant shown includes: water inlet elbow, valve stem 4, plug valve 5 and plug body 1. Above the plug valve 5, the plug body 1 is divided into two parts: an upper bolt body 11 and a lower bolt body 12. Part, the upper bolt body 11 and the lower bolt body 12 are connected by a circle of wearing parts 3; the stem connecting end 41 connected to the bolt valve 5 is a polygonal section, and the corresponding valve stem connecting end 41 on the bolt valve 5 A groove 6 matching the connecting end 41 of the valve stem is arranged at the position, and the connecting end 41 of the valve stem is inserted into the groove 6.
[0018] When an impact occurs, the vulnerable parts are broken and damaged under the action of external force. Due to the non-rigid connection between the valve stem and the plug valve, the upp...
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