Auxiliary door lock for protective screen rear cabinet door
A technology for rear cabinet doors and protective screens, which is used in building locks, door/window accessories, wing openers, etc., can solve the problems of mistakenly opening adjacent screen cabinets and locking screen cabinets, and achieves the effect of improving safety.
Active Publication Date: 2019-08-02
HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +2
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] Since there is no lock on the cabinet door behind the protective screen, the screen cabinet cannot be locked when the safety measures are arranged before the adjacent protective screen works, and it is easy for the staff to accidentally open the adjacent screen cabinet during work.
Method used
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Embodiment 1
[0022] Such as figure 1 , 2 , shown in 3, 4, 5, 6, a kind of protective screen rear cabinet door auxiliary door lock, comprises auxiliary door lock body 1, flip cover 5 hinged with auxiliary door lock body, locking device and clamping device, auxiliary door lock A torsion spring is arranged between the main body and the flip cover, one end of the torsion spring is fixed on the auxiliary door lock body, and the other end of the torsion spring is fixed on the flip cover, so that when there is no limiting effect on the flip cover, there is no intentionally applied force, and the flip cover is locked. It will rotate under the action of the torsion spring to reach a fixed position and maintain stability, which greatly facilitates the staff and plays a certain role in protecting the hinge shaft; there is a signaling device on the flip cover, and the signaling device is included in the flip cover The first sign board 2 and the second sign board 4 that are slidingly connected to the ...
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The present invention relates to a lock, in particular to an auxiliary door lock for a cabinet door behind a protective screen. An auxiliary door lock for a cabinet door behind a protective screen, including an auxiliary door lock body, a flip cover hinged with the auxiliary door lock body, a locking device and a clamping device. The flip cover is provided with a signaling device, and the locking device includes a rotating handle and a connecting rod. , a lock block and a lock mouth located on the flip cover and matching the lock block. One end of the connecting rod is connected to the rotating handle, and the other end of the connecting rod is connected to the lock block. The connecting rod is located in the auxiliary door lock body and is connected to the auxiliary door lock. The inner wall of the door lock body has an interference fit. The clamping device includes a clamping cavity, a clamping spring, a clamping block, an operating handle and a bayonet. The auxiliary door lock body is provided with a moving groove, and the outer end of the operating handle extends outside the moving groove. The invention realizes the locking of the screen cabinets of adjacent non-working protective screens when working on the protective screen, and can prevent workers from accidentally opening the non-working screen cabinets and accidentally touching the working equipment, thereby improving the safety of the protective screen work. sex.
Description
technical field [0001] The invention relates to a lock, in particular to an auxiliary door lock for a cabinet door behind a protective screen. Background technique [0002] As the installation carrier of the protective device, the protective screen plays a very important role in the power system. In order to facilitate the use and maintenance of the protective device, the protective screen is generally equipped with doors at the front and back, which is convenient for opening and checking during inspection and maintenance, and the door is closed during normal operation for safe operation. [0003] Generally, the front door is equipped with a conventional lock, and the back door is not equipped with a lock, and there is only one door opening device. [0004] Since there is no lock on the cabinet door behind the protective screen, the screen cabinet cannot be locked when the safety measures are arranged before the adjacent protective screen works, and it is easy for the staff...
Claims
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IPC IPC(8): E05B63/14E05B65/52E05C3/04E05C3/14E05F1/10
CPCE05B63/143E05B65/523E05B65/5253E05C3/04E05C3/14E05F1/10E05Y2999/00
Inventor 杨海威俞永奇吴辉岑富林吴继维樊宁宜杨立彦李卫东
Owner HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD