The invention relates to agriculture, in particular to beekeeping. The technical result and the challenge is to expand the functions performed by the utility model, improving reliability and increasing the duration of use. Latch letkovaya which comprises a housing with a screw intended for fastening the valve to a beehive wall. The distinctive features of the prototype are the following: - the body is made in the form of a circle with a conical circumferential rim; - base with the sectors with the functions; - "closed" with a solid base; - "open" with a circular hole; - Ventilation holes with frequent; - for the passage of worker bees in the form of holes with longitudinal slits; - the screw is placed on the base of the center. The proposed valve is made of plastic and tested for rubber belt. It can be produced industrially by the automatic lines of plastic.; Developed design documentation. Post 1.
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