84results about How to "Reduce the space required for storage" patented technology

A Roman shade includes an upper rail, a Roman shade assembly attached to a lower side of the upper rail that is pendent and foldable, and a rolling shade retractable in the upper rail and retained at the backside of the Roman shade assembly. The Roman shade assembly includes a fabric shade, and the fabric shade has at least one pressing rod on the backside and a positioning means at a distal end. The rolling shade includes a main shaft in the upper rail with a winding means and a shade surface. The shade surface has one end fastened to the main shaft and another end running through the pressing rods and anchored on the positioning means. The winding means can be used to reduce a holding space and retraction and extension of the Roman shade can be controlled by the rolling shade. Operation is simpler with less effort.

The invention relates to the field of robots, and discloses an unmanned aerial vehicle based cleaning robot. The unmanned aerial vehicle based cleaning robot includes a circular robot body; a dust collection chamber is arranged in the robot body; a dust suction fan is arranged in the dust collection chamber; drive wheels, a first inlet of the dust collection chamber and a rolling brush are arranged on the bottom of the robot body; the first inlet of the dust collection chamber is formed in the front end of the bottom of the robot body; the rolling brush is arranged in the first inlet of the dust collection chamber and contacts a ground surface; a second inlet of the dust collection room is formed in the center of the top of the robot body, and a filtering screen is arranged on the second inlet of the dust collection chamber; a plurality of foldable rotation wing mechanisms are arranged on the periphery of the top of the robot body, and the rotation wing mechanisms are evenly arranged along the circumference of the top of the robot body; and edge brushes which can synchronously rotate with the rotation wing mechanisms are arranged on the tops of the rotation wing mechanisms. The cleaning robot can clean trashes on a floor like the common sweeping robots, and can clean spider webs and dust on a roof.

The invention relates to a multifunctional note computer desk for a note computer, which belongs to an office supply. The computer desk comprises a desk board, a support frame and desk legs, wherein an article storage groove, a mouse pad and a small desk lamp are arranged on the desk board; a heat-radiating fan, a baffle block and a USB (Universal Serial Bus) expansion interface are arranged on the support frame which s rotatably connected with the desk board; the rotating and fixing of the supporting frame is realized in the way that a support rod of the support frame is embedded into a support groove of the desk board; and the desk board is rotatably connected with the desk legs. The invention has the essential points that the angle of the support frame is adjustable; the heat-radiating fan arranged on the support is hidden and is buckled by a protective cover; and the desk legs are rotatably connected in a multi-section embedded mode, i.e. the desk legs are divided into multiple sections, the sections are rotatably connected and one section can be embedded into another section. With the structure, the invention not only effectively reduces the volume and the storage space of the desk legs, but also does not influence the height adjustment of the desk legs, has wider application range and is suitable to be used indoor or outdoor by direct placement.

The invention discloses a preparation method of a starch-based foaming packing material precursor. The preparation method comprises steps as follows: (1) materials comprising 83wt%-86wt% of hydroxypropyl starch, 4wt%-8wt% of polyvinyl alcohol, 5wt%-10wt% of a plasticizer, 1wt%-2wt% of a nucleating agent and the balance of water are weighed; (2), the hydroxypropyl starch, the polyvinyl alcohol and the nucleating agent are put in a high-speed mixer and premixed at the normal temperature; (3), the plasticizer and water weighed in the step (1) are added to the materials, the mixture is blended, and a pretreatment material is obtained; (4), the pretreatment material is subjected to extrusion and granulation: (5), granules obtained in the step (4) are dried until the water content ranges from 13% to 15%, and the starch-based foaming packing material precursor is obtained. The invention further discloses a method for preparing a starch-based foaming packing material by adopting the starch-based foaming packing material precursor. The problems that the foaming packing material is large in size and occupies a lot of space during transportation and storage and the cost is high are solved.

The invention provides a preparation method of a high-energy 3.5-valent pure hydrochloric acid system vanadium electrolyte. The preparation method comprises the following steps of performing mixing ona vanadium mixture a and a vanadium mixture b based on a certain proportion to enable the mixed vanadium mixture to become a vanadium mixture c with the comprehensive valence state of 3.50; adding the vanadium mixture c and water into a reaction tank based on a certain proportion, and then adding 30-37mass% of hydrochloric acid, and performing heating to enable the temperature of the solution tobe heated to 40-125 DEG C, maintaining the reaction for 0.5-10h and then stopping heating, wherein when the temperature is declined to 15-45 DEG C, the prepared electrolyte is obtained. The electrolyte obtained in the invention is high in vanadium ion concentration, and the positive electrode and negative electrode electrolyte can achieve relatively high stability in a relatively wide temperaturerange; and in addition, the adopted preparation process is high raw material adaptability, simple in flow, convenient to operate, and low in production energy consumption, and the produced electrolytehas controllable quality.

The invention belongs to the technical field of machining, and particularly relates to a thin-walled cylinder part assembling and welding supporting device. An existing part structure is utilized, thenovel thin-walled cylinder part assembling and welding supporting device is provided, quick supporting and heat radiation of thin-walled cylinder part assembling and welding are achieved, damage caused when a supporting device is removed is avoided, and the production cost and storage space are reduced. According to the thin-walled cylinder part assembling and welding supporting device, three sets of wedge-shaped movable cushion blocks precise in angle are designed, the stress deformation problem and the dabber retreating problem caused during demounting and mounting are solved, and high-precision welding of a thin-wall cylinder part is achieved. According to the thin-walled cylinder part assembling and welding supporting device, a conical positioning ring and the conical faces of the cushion blocks are combined to adjust the radial clearance, the machining errors of all workpieces are effectively complemented for, and the positioning precision is guaranteed.

The invention discloses an adjustable die for transformer coil winding. The adjustable die comprises a die body, and is characterized in that the die body comprises a winding sleeve composed of at least four die sections, and the inner side of each die section is connected with a hollow die shaft through a hinge; a die center shaft penetrates through the hollow die shaft; the die center shaft is composed of a middle section, a threaded section and a cube section, the threaded section and the cube section are arranged on the two sides of the die center shaft, the middle section is matched with the hollow die shaft, the cube section penetrates through the center of a second spoke disc, the threaded section penetrates through the center of a first spoke disc, the threaded section is sleeved with a shaft sleeve, and the shaft sleeve is in threaded connection with the threaded section; the shaft sleeve is provided with a limiting structure, the shaft sleeve end on one side of the limiting structure penetrates through the first spoke disc, and the first spoke disc is limited at the limiting structure. The adjustable die is high in universality, the variable diameter of the die body can be suitable for manufacturing of different types of coils, production cost is greatly reduced, and production efficiency is improved.

The invention relates to an industrial container (1) to be used as an envelope to protect the perimeter of the block formed by multiple panels (Cp) packaged into the container (1), for example flat glass panels or panels of other materials to be transported in the vertical position; the container comprises a framework (Qd) formed by a set of modular troughs (Cm), including an upper trough (Cm1), a lower trough (Cm2) and a pair of identical side troughs (Cm3), which are essentially composed of longitudinal profiles (2) with a U-shaped cross-section and a narrow width (x) for receiving a multiple panels (Cp); these profiles (2) are made of laminated paper or another suitable material, the profiles (2) of the upper trough (Cm1) and lower trough (Cm2) comprising reinforcement zones (3) for binding by means of strips (FT), the reinforcement zones (3) being formed by the juxtaposition of pairs of steel plates (3a) on the flat surface (2a) of the longitudinal profiles (2), while the longitudinal profiles (2) of each side trough (Cm2) also receive a protection cover (4) that has a U-shaped cross-section and is made of steel; the flat inside surface (2b) of the profiles (2) of the modular troughs (Cm) receives internal supports (5) for accommodating and protecting the peripheral edges of the multiple panels (Cp) packaged inside the framework (Qd).

The invention discloses a foldable protective barrier near one side of a building. The foldable protective barrier comprises a plurality of upright pillars, wherein the bottom of each upright pillar is fixedly connected with a building surface; the upright pillars are sequentially connected in a hinged way by transverse bars at the top; and the axes of rotating shafts connected in a hinged way are parallel to one another. The size and the specification of parts take the prior art as reference, large-scale change is not needed. In the whole connection system of the protective barrier, the connection type of traditional steel pipe fastener is abandoned, fastener connection is completely given up, the cost is saved greatly and the whole weight of the protective barrier is reduced. A hinge connection structure is adopted between the upright pillars and the transverse bars at the top, so that the protective barrier is can be folded during transport and storage processes, the transport space is saved, fastener connection is not needed, and the transported weight and the storage space are reduced. During the installation of the foldable protective barrier, only hinges are rotated to a proper angle and the upright pillars are fixed on the building surface; both installation and detachment are convenient and time and labor force are saved greatly.

The invention relates to a gardening grinder comprising a main body (5a), a motor (10) arranged in the main body (5a), a cutting mechanism (11) rotating around a rotary central axis (Z2) under the drive of the motor, and a material receiving container (4a) capable of being detachably assembled on the main body (5a) along the direction of the rotary central axis, wherein the material receiving container is provided with an opening (31a) for receiving grinded materials; the main body is provided with a grinded material discharge mouth arranged below the cutting mechanism; and the material receiving container (4a) is provided with a containing space (45a) for storing the main body (5a). All the components of the gardening grinder can be effectively piled together so that the packaging size and the storage space can be reduced to the maximum extent and the production cost is lowered.

The invention relates to the technical field of imaging, in particular to a zoom lens and a digital camera. The zoom lens is used for improving the depth of a field of the zoom lens, and therefore a target scene, a target close shot, a target long shot and a sharply focused image can be obtained. The zoom lens comprises a zoom set and a focusing set which are sequentially arranged from the object side to the image side, wherein the zoom set comprises a first convex and concave lens, a first biconcave lens and a first convex lens which are sequentially arranged from the object side to the image side; the convex face of the first convex and concave lens faces the object side, and the focal power of the first convex and concave lens is negative; the focal power of the first biconcave lens is negative; the convex face of the first convex lens faces the object side, and the focal power of the first convex lens is positive; the focusing set comprises a first biconvex lens, a second convex lens, a second biconcave lens, a second biconvex lens and a third biconvex lens, all of which are sequentially arranged from the object side to the image side; the focal power of the first biconvex lens is positive; the convex face of the second convex lens faces the object side, and the focal power of the second convex lens is negative; the focal power of the second biconcave lens is positive; the focal power of the second biconvex lens is positive; the focal power of the third biconvex lens is positive. The invention further discloses the digital camera comprising the zoom lens with the characteristics.

A film frame shipper that provides enhanced prevention of the jumping of film frames within the film frame shipper. In addition, the structures that prevent jumping also augment alignment of the filmframes during loading into the shipper. Furthermore, in certain embodiments, these structures enable a closer tolerance fit between the thickness of the film frames and the registration slots, therebyreducing play between the film frame and the registration slot and attendant particle generation.

The invention relates to a multifunctional note computer desk comprising a desk board, a support frame and desk legs, wherein the support frame is rotatably connected to the desk board, the rotary fixation of the support frame is embedded in a support groove of the desk board through a support rod of the support frame, and the desk board is rotatably connected to the desk legs. The invention has a design key point that the desk legs are provided with at least three H-shaped rods, the H-shaped rods except the tail section of the desk legs are in U-shaped hollow out for the rod parts, the rod parts of the tail sections of the desk legs are solid or U-shaped hollow out; the H-shaped rods are connected to the two desk legs through the desk leg connection rod, both ends of the desk legs are provided with notches which are clamped on a middle rod of the H-shaped rod; the tail sections of the desk legs are provided with dialing blocks; the positions for rotary connection of the desk board in the desk legs and the rotary positions between various sections in the desk legs are all provided with clamp strips and slots, wherein when the desk legs are open, the clamp strips are embedded in the slots. With the structure, the invention not only effectively reduces the volume and the storage space of the desk legs, but also does not influence the height adjustment of the desk legs, has wider application range and is suitable to be used indoor or outdoor by direct placement.