36results about How to "Ventilated" patented technology

The present invention relates to a rotary device in which a drill for soil earthwork is rotatably mounted, wherein the drill comprises: a shaft part; a screw, formed along the outer circumferential surface of the shaft part, for earthwork and the transportation of soil generated by the earthwork; a rotary shaft, formed on the upper part of the shaft part; a connection socket, formed on the rotary shaft, for adjusting the length; and a fixed shaft part, formed on the lower part of the shaft part, for being inserted and rotated into the soil for earthwork. More specifically, the present invention relates to a portable power rotary device provided with a drill having earthwork and cut-off functions, wherein a pair of horizontal blades face each other on the connection part between the shaft part and the fixed shaft part; screws, formed in every other layer, are symmetrically and integrally connected to each other on the pair of horizontal blades, for transferring soil upwardly; cutting blades, which are symmetrical with each other, are inclined downwardly and integrally formed on the pair of horizontal blades; a plurality of vertical blades, formed to be spaced apart from each other at a predetermined distance, protrude vertically on the upper portion of the lower wing of the screw; and when performing earthwork, soil and tree roots are cut by the cutting blades, and soil lumps, transferred along the screw, are cut again by the vertical blades.

The invention provides a stretchable nonwoven fabric which has concavo-convex structure on the surface, is bulky and highly flexible, has air permeability, and is capable of displaying stretchability in all directions irrespective of the directions of MD and CD. Specifically, the invention provides a stretchable nonwoven fabric, comprising a fiber layer (1) containing a heat-bondable fiber and a fiber layer (2) containing a conjugate fiber composed of resin components different from each other wherein the fiber layer (2) is laminated to at least one surface of the fiber layer (1), both fiber layers are integrated, the fibers of both fiber layers were no press-flattened at heat-bonded parts which is partly formed by heat-bonding of the heat-bondable fiber, and the fiber layer (1) forms a convex structure protruded to the fiber layer (1) side between the heat-bonded parts.

The invention relates to a high-elastic and breathable three-dimensional mesh cloth processing technology. In the actual processing, a first mesh layer and a second mesh layer are subjected to plane fixation, a melting rubber is applied on the surface of at least one of the first mesh layer and the second mesh layer, when the two are properly fitted, the first mesh layer and the second mesh layercan be bound with the melting rubber; when the melting rubber is in a molten state, the first mesh layer and the second mesh layer are separated for a set distance, a plurality of rubber wires havinga length equal to a set distance can be generated between the first mesh layer and the second mesh layer by the fused rubber, and in the process of separating the first mesh layer and the second meshlayer, a plurality of the rubber wires are produced between the first mesh layer and the second mesh layer; the rubber wires is cooled, solidified and fixed, so that the first mesh layer, the second mesh layer and the rubber wires form the three-dimensional mesh cloth with rubber wires as an elastic supporting layer, and the three-dimensional mesh cloth has stronger elasticity, breathability and ventilation.

The invention discloses a protective umbrella for an aircraft engine. The protective umbrella is used for protecting the aircraft engine, and comprises a handle, a supporting frame, umbrella rib structures and an umbrella stand pan head, wherein the handle and the umbrella stand pan head are arranged on the supporting frame in a sleeving manner; the handle is arranged above the umbrella stand pan head; the umbrella rib structures are fixed on the umbrella stand pan head; fastening belts are also arranged at the upper end of the handle; a horn base is arranged at the bottom of the supporting frame; the twelve umbrella rib structures are uniformly distributed on the umbrella stand pan head; friction blocks are also arranged at the end parts of the umbrella rib structures; a first fabric layer, a second fabric layer and a third fabric layer are also arranged above the umbrella rib structures. The protective umbrella disclosed by the invention has the characteristics of usability, ventilation, tightness, attractiveness and firmness.

The invention discloses a guyed external sunshade roller shutter, and belongs to the field of construction external sunshade equipment. The guyed external sunshade roller shutter comprises a roller shutter body and a roller shutter retracting and releasing mechanism; the roller shutter body is wound on the exterior of the roller shutter retracting and releasing mechanism in a liftable manner; the roller shutter body is rotatably provided with a plurality of slats (4). The guyed external sunshade roller shutter is characterized by also comprising at least one rope-shaped component connected with all the slats (4); the at least one rope-shaped component and the roller shutter body are synchronously wound on the roller shutter retracting and releasing mechanism; the upper end of the at least one rope-shaped component is fixed to the roller shutter retracting and releasing mechanism; during the downward releasing process of the roller shutter body, the upper end of the at least one rope-shaped component goes on rotating along with the roller shutter retracting and releasing mechanism, and relative displacement is generated between the at least one rope-shaped component and the roller shutter body to pull the slats (4) of the roller shutter to be turned over; the at least one rope-shaped component rotates along with a reel to pull the slats to be turned over upwards, so that the slats are in an opened state to realize the automatic turnover of the slats. The guyed external sunshade roller shutter has the advantages that the structure is simple, the operation is convenient, working is reliable, and the wind-proof effect is good, and the like.

The invention discloses an adjustable simple shoe rack. The shoe rack comprises a bracket and supporting rods, and the supporting rods are detachably arranged on the bracket; the bracket is of a rectangular structure, and a rectangular through hole is formed in the center of the bracket; the bracket is made from a stainless steel sheet and comprises a first long turnover side, a first short turnover side, a second long turnover side and a second short turnover side; installing holes are formed in the two long turnover sides of the bracket and are inverted pyriform holes, wherein the installingholes on the upper sides are big, and the installing holes on the lower sides are small; the two ends of each supporting rod are respectively inserted in the installing holes of the bracket, and thenumber and position of the supporting rods are selected according to the required placing requirements of shoes; supporting rods comprise first transverse rods and second transverse rods, and the first transverse rods are slidably sleeved in inner cavities of the second transverse rods; according to the adjustable simple shoe rack, the positions of the supporting rods can be adjusted, therefore the placing requirements of different shoes are met, the structure is simple, the weight is light, dismantling and installing are convenient, and using is convenient; the shoe rack has the advantages that the occupied space is small, and the shoe rack is ventilated.

The invention discloses a sound insulation structure containing an air interlayer and ventilating and ventilating while sound insulation, which is characterized in that: the sound insulation structure comprises: a shell (1), and a plurality of A perforated plate (11) provided with a groove (12) on one side of the layer, and the side of the perforated plate (11) provided with the groove faces the noise source; a perforated position is located between two adjacent perforated plates (11). The staggered arrangement is provided with an air interlayer (13), wherein the staggered arrangement is that the two adjacent perforated plates (11) are staggered according to the relative positions of the perforations in two mutually perpendicular perforation directions, and the staggered distance is the distance between the perforations. half; the perforation method of the perforated plate (11) is equal-spaced perforation, and the perforated cross-section of the perforated plate is square or circular; the groove (12) on one side of the perforated plate (11) is two perpendicular The perforation directions are arranged; the spacing of the grooves (12) is the perforation spacing of the perforated plate.

The invention relates to a preparation method of a pillow filled with composite particles of tea, carbon and Chinese herbs. Tea, carbon and Chinese herbs are ground into powder and then are added with adhesives to be prepared into the particles with required shapes, after that, the composite particles of tea, carbon and Chinese herbs are matched with cotton to be filled into a pillowslip as pillow stuffing. The pillow filled with the composite particles of tea, carbon and Chinese herbs provide by the invention has the advantages of ventilation, permeability and being antibacterial, etc. The head can be directly contacted with the composite particles of tea, carbon and Chinese herbs. The invention not only has the efficacy of the composite particles of tea, carbon and Chinese herbs, but also can produce a concave part in the pillow in order to be inosculated with different head types, so as to generate comfort and improve sleeping quality; furthermore, the invention can also release far infrared, which has remarkable curative effect to cervical cervical spondylosis.