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Built-in bolt pin anti-theft well lid

A manhole cover and pin technology, which is applied in the municipal field, can solve the problems of high supplementary cost and easy theft of cast iron manhole covers, and achieve the effects of improving performance, increasing the difficulty of unlocking, and enhancing practicability

Inactive Publication Date: 2018-04-27
ZHENGZHOU YOUAI NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Cast iron manhole covers are widely used as sewer manhole covers because of their high strength and long service life. However, cast iron manhole covers are easy to steal. According to incomplete statistics, more than 2,000 road manhole covers of various types are stolen in a medium-sized city in a year. Extremely high; if the sewer manhole cover cannot be replaced and replenished immediately, the consequences of road obstacles will be extremely serious

Method used

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  • Built-in bolt pin anti-theft well lid
  • Built-in bolt pin anti-theft well lid
  • Built-in bolt pin anti-theft well lid

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Embodiment Construction

[0021] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0022] Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

[0023] In the description of this patent, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the des...

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Abstract

The invention provides a built-in bolt pin anti-theft well lid, and belongs to the field of road administration. The well lid comprises a well lid body, a well edge, two moving rails, two fixing blocks, two bolt pin fixing devices, a water falling hole and two moving check blocks; the well lid body is arranged in the well edge, the well edge and the well lid body are detachably connected, according to the built-in bolt pin anti-theft well lid, the bolt pin fixing devices are arranged below the well lid body, the low end of a key is rotated to go deep into the position below the well lid, rotation for key rotation is used for opening the bolt pin fixing devices, unlocking difficulty is increased, the antitheft performance is improved, and the good practicability is achieved.

Description

technical field [0001] The invention relates to the field of municipal administration, in particular to an anti-theft manhole cover with built-in pins. Background technique [0002] With the continuous increase, expansion and development of urban roads, sewer manhole covers are increasing rapidly. Cast iron manhole covers are widely used as sewer manhole covers because of their high strength and long service life. However, cast iron manhole covers are easy to steal. According to incomplete statistics, more than 2,000 road manhole covers of various types are stolen in a medium-sized city in a year. If the sewer manhole cover cannot be replaced and replenished in time, the resulting road obstruction consequences will be extremely serious. Over the years, road manhole covers have always been a big problem in urban development and construction. Today, when my country is accelerating urban construction and development, it has become an urgent task to focus on solving the road m...

Claims

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Application Information

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IPC IPC(8): E02D29/14
CPCE02D29/1427E02D29/1481
Inventor 郜瑶环
Owner ZHENGZHOU YOUAI NETWORK TECH CO LTD
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