4results about How to "Meet breathing needs" patented technology

The utility model belongs to the field of underground self-rescue facilities, and particularly relates to a water supply rescue and compressed air self-rescue combined device. Comprising a box body with an opening in the side face, and a water supply rescue device and a compressed air self-rescue device are arranged in the box body; a water supply self-rescue unit of the water supply rescue device and a compressed air self-rescue unit of the compressed air self-rescue device are distributed in a row within the opening range of the box body; according to the water supply rescue and compressed air self-rescue combined device, a water supply rescue device and a compressed air self-rescue device which are originally independent are integrated in the same box body, and the problems that a traditional split device is dispersedly installed and inconvenient to operate, and personnel need to switch the position back and forth are thoroughly solved; the interfaces (the water supply branch pipes and the compressed air masks) of the two self-rescue units are distributed side by side in the opening range of the box body, so that a user can quickly and conveniently use the water supply and compressed air self-rescue functions simultaneously or alternately at the same position and facing the same operation surface, and the cooperative operation efficiency in an emergency is greatly improved.

The utility model relates to the technical field of vegetable and fruit packaging, and particularly discloses a high-toughness puncture-proof fresh-keeping film bag for vegetables and fruits, which comprises a puncture-proof outer layer, the puncture-proof outer layer, a protective middle layer and a buffer inner layer are sequentially sleeved from outside to inside to form a film bag main body, and the puncture-proof outer layer, the protective middle layer and the buffer inner layer are closed and formed by hot pressing to form the fresh-keeping film bag main body for vegetables and fruits. According to the high-toughness puncture-proof fresh-keeping film bag for the vegetables and the fruits, the hemispherical buffer balls arranged on the surface of the buffer inner layer at equal intervals are integrally formed with the hydrophilic polymer inner base layer, and the hemispherical buffer balls and the second breathable micropores are distributed in a staggered mode, so that the vegetables and the fruits can be prevented from being in direct and tight contact with the film bag; the semispherical buffer balls effectively buffer external force through deformation, the concentrated pressure of sharp parts of vegetables and fruits on the film bag is dispersed into dispersion force in multiple directions, the local pressure intensity is reduced, the film bag is further protected from being punctured, and meanwhile damage to the vegetables and the fruits caused by extrusion is reduced.

The utility model discloses an insect collecting tube, and relates to the technical field of entomology research experiment equipment, the insect collecting tube comprises a tube body, a tube cover, a male buckle assembly and a female buckle assembly, the tube body is used for accommodating insects, one end of the tube body is open, the other end of the tube body is closed, and the tube cover is used for closing the open end of the tube body; a ventilation part is further arranged on the pipe body, and the ventilation part is used for ventilation of air in the pipe body and external air; the male buckle assembly and the female buckle assembly are arranged on the two sides of the pipe bodies correspondingly so that the multiple pipe bodies can be detachably connected. The insect collecting device has good ventilation performance and is convenient to use when insects are narcotized by ethyl acetate, meanwhile, a plurality of insect collecting pipes can be connected in rows, the insect collecting device is convenient to carry during field operation, jolt is effectively reduced, and the collected insects are prevented from being damaged.

The utility model discloses a kind of garden afforestation planting blanket, which is composed of at least two planting blanket units;Each planting blanket unit includes base layer, water storage layer, water-permeable layer and drainage layer arranged in order from top to bottom, and support layer arranged between the water storage layer and the water-permeable layer;The support layer forms multiple independent spaces inside for the growth of plant root systems, and the support layer is provided with a fixing structure on the peripheral edge portion for fixing after the edge portions of the support layers of the two adjacent planting blanket units are overlapped with each other;The utility model has a certain thickness due to the support layer, which forms a gap between the water storage layer and the water-permeable layer to facilitate air circulation, providing sufficient oxygen for plant root systems, meeting the root respiration demand, and the independent space inside the support layer can avoid the mutual entanglement and crowding of root systems.