4results about How to "Prevent gnawing" patented technology

The utility model belongs to fan box field provides a fan box and inverter, including a plurality of fans, protective cover and fan mounting panel, wherein: fan mounting panel is equipped with a plurality of air vents, and the fan is one -to -one correspondence with air vent and is equipped on fan mounting panel, protective cover is located one side of fan mounting panel, and the protective cover includes main part and closed part, and the main part is integrally formed with fan mounting panel, and a half sealed chamber is formed in the main part, and the closed part is movably connected at the opening of half sealed chamber. Compared with prior art, the utility model has the advantages that the protective cover is used for protecting the wiring terminal of the inverter and the wire connected with the wiring terminal, which can effectively prevent the wiring terminal and the wire connected with the wiring terminal from being bitten by animals, thereby improving the stability of the inverter operation.

The utility model discloses a kind of without external installation's air conditioning hole waterproof, prevent insect and ant, beautifying device, belong to air conditioning hole protection technical field, including the outer sleeve installed in air conditioning pipe hole inside, the inner tube of the outer sleeve is slidably installed with inner sleeve, the limiting frame that the inner sleeve after adjustment is positioned is provided on the outer sleeve, the end side surface of the outer sleeve away from outer sleeve is distributed with the opening for passing through pull rope, inner soft rubber baffle pipe for closing opening is clamped in the inner tube of inner sleeve, the outer sleeve includes the outer tube for being installed in air conditioning pipe hole, outer tube soft rubber sleeve is installed at the position of inner wall surface, by optimizing structure design, inner sleeve includes the inner tube of sleeve connection in the inner tube of outer sleeve, realize whole indoor operation installation, effectively solve the water seepage, insect and ant invasion problem existing in existing air conditioning hole, and improve hole overall appearance degree, with adjustable simultaneously, adapt to the installation demand of different thickness wall.

The application discloses a kind of convenient Chinese language literature query reading device and its use method, including bookshelf, the bottom of the bookshelf is provided with sliding cavity, the inside both sides of the sliding cavity are provided with positioning slide, the inside of the sliding cavity is provided with sliding connection desk, and the bottom of the desk one side is provided with dynamic pulley at both ends, the inside of the bookshelf is located above the desk and is provided with a plurality of supporting plates, the inside of the bookshelf is located at the position above supporting plate and is provided with positioning block, the upper end of the supporting plate is provided with book clamp corresponding with the positioning block one by one. Advantageous effect: by connecting the two sides of the book with the adsorption suction cup on the surface of the rotating plate and the adsorption suction cup on the straight plate respectively, the book is fixed with the book clamp, and then the book is taken from the bookshelf, the purpose of protecting the surface of the book from being damaged by preventing new wrinkles is achieved.