Door card electromagnetic box with edge groove
A technology of electromagnetic box and door card, which is applied in the direction of instruments, computer components, transmission record carriers, etc., can solve the problems of inconvenient taking, difficult fixing of door cards, easy detachment and damage, etc., and achieves convenient automatic fixing and exquisite structure , the effect of convenient insertion and use
Inactive Publication Date: 2021-03-19
刘蓉君
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Problems solved by technology
But the problem is that after the traditional electromagnetic box is inserted into the door card, the door card is difficult to fix, which not only causes it to be easily detached and damaged, but also is not convenient to take
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[0022] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described more clearly and completely below in conjunction with the accompanying drawings in the embodiments. Of course, the described embodiments are only a part of the present invention. Not all, based on this embodiment, other embodiments obtained by those skilled in the art without creative efforts are all within the protection scope of the present invention.
[0023] Such as Figure 1 to Figure 6 As shown, for the door card electromagnetic box with a side slot, it includes a main box frame 1 and an upper box cover 2 installed on the upper end of the main box frame 1, and the main box frame 1 and the upper box cover 2 form a main slot 8 on the left .
[0024] Composite block 3 is installed in the front part of described main box frame 1 with horizontal sliding mode, and composite block 3 right is provided with composite gr...
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The invention relates to a door card electromagnetic box with an edge groove. The door card electromagnetic box comprises a main box frame and an upper box cover installed at the upper end of the mainbox frame, and the main box frame and the upper box cover form a main inserting groove at the left part. A composite block is installed on the front portion in the main box frame in a horizontal sliding mode, a composite groove is formed in the right portion of the composite block, a main push rod is in sliding fit with the composite groove, a tension spring fixedly installed in the main box frame is connected to the front end of the left portion of the composite block, and a liftable protruding block is in sliding fit with the rear end of the left portion of the composite block. The door card electromagnetic box is ingenious in structure, the inserted door card can be automatically fixed through the arrangement of the V-shaped groove structure and the protruding block structure, the doorcard can be automatically ejected out, and the effects that inserting, taking and using are convenient, and the inserted door card can be conveniently and automatically fixed are achieved.
Description
technical field [0001] The invention relates to a small instrument structure, in particular to a door card electromagnetic box with side slots. Background technique [0002] Generally speaking, in the field of cattle breeding in livestock farms, every time a calf is born, in order to ensure the healthy growth of the calf, it can be put into the greenhouse for cultivation, and the environment in the greenhouse is set. Yes, in order to prevent the conditions and environment in the greenhouse from being artificially changed, an electromagnetic box is usually installed on the door of the greenhouse. Usually, the door card is manually inserted into the electromagnetic box for identification to control manual entry and indoor power temperature control and other elements. But the problem is that after the traditional electromagnetic box is inserted into the door card, the door card is difficult to fix, which not only causes it to be easily detached and damaged, but also is not conv...
Claims
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IPC IPC(8): G07C9/20G06K13/08
CPCG06K13/0806G06K13/085G07C9/20
Inventor 刘海洋刘蓉君李元刚周丹丹刘正好
Owner 刘蓉君