Electric structure of electric control lock for manhole cover
An electronically controlled lock and electric technology, which is applied to building locks, building structures, and non-mechanical transmission-operated locks, etc., can solve the problems of easy damage to electrical components and short service life of electronically controlled locks, and achieve easy sealing and isolation, increased The effect of service life
Inactive Publication Date: 2012-09-26
开平百事通计算机工程有限公司
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Problems solved by technology
In order to prevent manhole cover theft, a manhole cover lock is usually installed on the manhole cover, and the manhole cover combination lock is widely used. How to seal its telescopic action will inevitably bring sand, dust and moisture into the electrical control components, which will easily damage the electrical components, and the service life of the electric control lock is short
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[0013] refer to figure 1 , an electric structure of a manhole cover electric control lock, including a lock sleeve 1 fixed on the manhole cover and a reduction motor 2, an eccentric rotation device 4 is installed on the output shaft of the reduction motor 2, and the eccentric rotation device 4 includes The turntable 3 concentric with the output shaft, the peripheral edge of the turntable 3 is fixedly equipped with a power transmission device 5 perpendicular to the direction of circular motion, and the turntable 3 can run synchronously with the output shaft of the geared motor 2 to drive the power transmission device 5. In addition to the movement, it can also protect the geared motor 2, effectively protect the electronic and electromagnetic structures inside the geared motor 2, and prevent sand, dust, and moisture from corroding its interior.
[0014] The front and rear latch holes 6, 7 are correspondingly arranged at the front and rear ends of the latch cover 1, and the latch...
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The invention discloses an electric structure of an electric control lock for a manhole cover. The electric structure comprises a latch sleeve and a reducing motor which are fixed on the manhole cover, wherein an eccentric rotating device is mounted on the output shaft of the reducing motor; a protruded power driving device is arranged on the edge of the eccentric rotating device; a front latch hole and a rear latch hole are correspondingly formed in the front end and the rear end of the latch sleeve; the latch sleeve is sleeved on a latch through the rear latch hole of the latch sleeve; a guiding slotted hole perpendicular to the moving direction of the latch is connected to the rear section of the latch; and the power driving device extends into the guiding slotted hole. According to the electric structure disclosed by the invention, the original mode for controlling the stretch of a control lock or a bayonet lock thereof by using electromagnetic energy is changed into a mode of changing circular motion of the reducing motor into linear motion of the manhole latch. Compared with the stretching motion, the circular motion has the effects that sand and water are easily sealed and isolated, an electronic and electromagnetic structure of the reducing motor is effectively protected and the service life of the electric control lock is prolonged.
Description
technical field [0001] The invention relates to a road facility, in particular to an electric structure of a manhole cover electric control lock. Background technique [0002] With the increase in demand for communication, energy supply, and sewage discharge, the scale of underground pipe networks in modern cities has expanded rapidly, and there are more and more manhole covers on the ground. In urban planning and construction, sewers and cable trenches are important auxiliary facilities for cities. And all over the streets of the city. A vertical shaft for cleaning and maintenance is arranged at a certain distance on the sewer and the cable trench, and a well cover is installed on the vertical shaft. Because manhole covers are usually made of metal materials such as cast iron, there are often incidents of criminals stealing manhole covers. After manhole covers are stolen, mud flow wells and cable trench wells will become hidden dangers that seriously threaten the safety of...
Claims
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IPC IPC(8): E05B47/02E05B65/00
Inventor 许照光黄文灿关中文余德锐谭伟槐
Owner 开平百事通计算机工程有限公司