10results about How to "Fresh air" patented technology

The utility model relates to the field of toilet lid equipment, and discloses a toilet lid with an aromatherapy box, which comprises a fixed plate, the lower surface of the fixed plate is fixedly connected with a fixed seat, the inner wall of the fixed seat is hinged with an auxiliary seat, the front surface of the auxiliary seat is fixedly provided with a toilet lid plate, the inner wall of the auxiliary seat is hinged with a bearing frame, and the bearing frame is fixedly connected with the aromatherapy box. A supporting plate is fixedly connected to the lower surface of the bearing frame, an aromatherapy assembly is arranged at the axis of the upper surface of the supporting plate and comprises a mounting frame, and an aromatherapy containing box is detachably connected to the axis of the inner wall of the mounting frame. According to the aromatherapy assembly, the aromatherapy containing box, the supporting frame, the top plate and other parts in the aromatherapy assembly are matched with one another through the connection relation, the aromatherapy assembly is arranged on the toilet lid, aromatherapy smell can be continuously released, air can be effectively refreshed, peculiar smells can be removed, and a more comfortable and agreeable toilet environment is created for a user; and the experience feeling of the user is improved.

The utility model discloses an automobile air conditioner air outlet structure relates to the technical field of automobile parts, including the air pipe, and the air outlet grid of air pipe air outlet end installation, air pipe air outlet end is equipped with the magnetic attraction connecting piece for the detachable air outlet grid, the support is installed in the air pipe, the support inner plug has the activated carbon honeycomb board for adsorbing air peculiar smell and the non -woven filter board for filtering air, and the non -woven filter board sets up in activated carbon honeycomb board's air outlet end, the groove on activated carbon honeycomb board installs the liquid storage bottle for storing air air fragrance liquid, the air duct adjusting part of rotatable is arranged in the air pipe, the air outlet grid is connected with the air pipe air outlet end through the magnetic attraction connecting piece, realizes quick dismounting with the magnetic attraction principle, compared with traditional buckle or screw fixed mode, it is more simple and convenient to operate, and the cleaning and maintenance efficiency of air outlet grid has been improved greatly, and the use cost of user has been reduced.

The application discloses a safety device for building composite foundation pile soil sampling operation and relates to the technical field of building construction. The safety device comprises a protection box body placed in a detection hole formed on a foundation and a support frame located above the foundation. A protection door is hinged to one side of the protection box body. A lifting ring is arranged above the protection box body. An electric hoist is arranged at a position close to the protection box body of the support frame. The electric hoist is provided with a lifting rope connected with the lifting ring. Workers enter the protection box body, and the electric hoist installed on the support frame lowers the protection box body into the detection hole formed on the foundation to protect the workers. A protection door is hingedly arranged on one side of the protection box body. After the workers enter the protection box body, the protection door is closed to prevent soil from entering the protection box body when the protection box body encounters hole collapse in the detection hole of the foundation. The protection box body reduces the safety threat caused by hole collapse of the detection hole and upper soil falling to the workers.

A lifting storage range hood frame comprises a first supporting piece, a bottom frame and a range hood, and the first supporting piece comprises a first fixing end and a first connecting end which are located at the two ends; the bottom frame comprises a bottom plate and a second supporting piece, one end of the second supporting piece is fixed to the bottom plate, and the other end of the second supporting piece is telescopically connected with the first connecting end so as to adjust the distance between the bottom plate and the first fixing end; the range hood comprises a machine shell, a first flue pipe and a second flue pipe, the machine shell is arranged on the bottom plate, the first flue pipe comprises a second fixing end and a second connecting end which are located at the two ends, one end of the second flue pipe is connected with the machine shell, and the other end of the second flue pipe is telescopically connected with the second connecting end. According to the range hood, the distance between the bottom plate and the first fixing end can be adjusted through telescopic connection between the first connecting end of the first supporting piece and the second supporting piece of the bottom frame, then the overall height of the range hood is adjusted, the range hood can adapt to different kitchen environments and the height requirements of users, and the smoke exhaust effect of the range hood is improved.

The utility model relates to related field of leather especially, a kind of leather of smell adjustable, including bottom layer, buffer layer, spandex fiber fabric layer, surface layer, antiskid line, protective coating, hydrogel particle, plant tannin, reinforcing coating, microporous polyurethane film.The utility model is provided with hydrogel particle, plant tannin, plant tannin as a kind of natural antibacterial agent and antioxidant, can effectively adsorb and neutralize the peculiar smell in car, and the release speed of plant tannin gas is adjusted by hydrogel particle, so that the smell adjusting effect is durable and controllable, to keep the air in car fresh, better improve the comfort of passenger, it is favorable to improve the practicality of car leather.

This invention discloses an indoor oxygen-enhancing ecological wall based on plant chemosynthesis, comprising a wall body with a fixed support frame installed on it. An aquatic animal breeding pond is located at the bottom of the fixed support frame. Above the aquatic animal breeding pond are multiple layers of planting frames for growing greenery. Water pipes are connected between adjacent planting frames. The planting frames and water pipes are arranged in an S-shaped structure. A water replenishment device is located between the top planting frames and the aquatic animal breeding pond, and this device is connected to a controller. A water return device is located between the bottom planting frames and the aquatic animal breeding pond. A supplemental lighting device is installed on the fixed support frame and connected to the controller. This device provides supplemental lighting to the greenery. This invention increases light intensity for the plants through the supplemental lighting device, thereby increasing photosynthesis and promoting normal plant growth and development, while also improving indoor air quality.

An odor-removing insole and its preparation method are disclosed. The odor-removing insole includes an upper and lower layer that can be interlocked, and odor-removing particles disposed between the upper and lower layers. The lower layer has an installation groove for installing the odor-removing particles, and the upper layer has ventilation holes opposite to the installation groove. The odor-removing particles are composed of the following raw materials: diatomaceous earth, zeolite powder, epoxy resin, lemon eucalyptus oil, zinc oxide, and magnesium stearate. By defining the specific structure of the insole, the invention provides ventilation holes in the upper layer opposite to the odor-removing particles. Volatile odorous gases generated inside the shoe enter the lower layer through the ventilation holes and are adsorbed by the odor-removing particles, thus keeping the air inside the shoe fresh.

This invention relates to the field of automotive interior technology, specifically disclosing an environmentally friendly, high-strength automotive headliner. From bottom to top, it comprises: a non-woven fabric layer, a first adhesive layer cast on the surface of the non-woven fabric layer, a first toughening fiber felt bonded to the surface of the first adhesive layer, a second adhesive layer cast on the surface of the first toughening fiber felt, a polyurethane substrate bonded to the surface of the second adhesive layer, a third adhesive layer cast on the surface of the polyurethane substrate, a second toughening fiber felt bonded to the surface of the third adhesive layer, and a fourth adhesive layer cast on the surface of the second toughening fiber felt. Both the first and second toughening fiber felts are made of toughening fibers. The first, second, third, and fourth adhesive layers are all made of composite ethylene-vinyl acetate copolymer. The multi-layered structure of this automotive headliner features tight adhesion, preventing interlayer separation, good external rigidity, and no deformation. It also exhibits excellent sound absorption performance, is odorless, and is safe and environmentally friendly.

The utility model relates to the technical field of door locks, and discloses a refrigerator convenient for locking the angle of a refrigerator door, which comprises a refrigerator body, a fixed hinge is fixedly connected to the front side of the outer wall of the refrigerator body, a base is fixedly connected to the right side of the fixed hinge, and a rotating hinge is rotatably connected to the middle of the outer wall of the base. A plurality of limiting holes are formed in the bottom of the inner wall of the base, an outer cylinder is slidably connected to the upper middle portion of the outer wall of the base, a plurality of columns are slidably connected to the bottom of the outer cylinder, clamping plates are fixedly connected to the top ends of the columns, and springs are fixedly connected to the tops of the clamping plates. The bottom end of the column rod is fixedly connected with a conical rod, and the top end of the outer cylinder is fixedly connected with a telescopic rod. According to the utility model, the front door angle locking structure is initially closed when the pull groove at the bottom of the box door is pulled up, the column rod and the conical rod are driven to be separated from the limiting hole through the limiting of the operation screen control device and the lifting of the telescopic rod, and the angle locking adjustment of at most four gears can be realized.

The utility model discloses a fresh air device for chicken coop ventilation, which belongs to the technical field of chicken coop ventilation and comprises a chicken coop body, three air inlets are arranged on one side of the chicken coop body, ventilators are arranged in the three air inlets, three air outlets are arranged on the other side of the chicken coop body, and activated carbon filter plates are arranged at the three air outlets. Three rows of supporting frames are arranged in the henhouse body, rotating shafts are rotationally connected to the interiors of the three rows of supporting frames, air inducing plates are arranged at one ends of the three rows of rotating shafts, supporting plates are arranged between the two ends of the three supporting frames located in the middle, reduction gearboxes are arranged between the supporting plates, and output shafts of three ventilators are arranged in the three reduction gearboxes correspondingly. By means of the air inducing plate arranged on the supporting frame, the effect of guiding fresh air into the henhouse body is achieved, harmful gas can be diluted and exhausted, air in the henhouse body is kept fresh, and breeding and spreading of pathogens in the henhouse body can be reduced.