9results about How to "Stable and stable" patented technology

This utility model relates to the field of sheet metal processing technology and discloses an intermittent sheet metal cutting device, comprising: a box for storing sheet metal materials, a baffle that slides vertically on the front side of the box, a connecting rod connected to the left side of the box via a gear set, a connecting member rotatably connected to the top of the connecting rod, a limiting groove formed on the upper left side of the box, the left end of the baffle slidingly connected to the inside of the limiting groove to limit the sliding distance, the left end of the baffle rotatably connected to the connecting member, and a stack of sheet metal supported inside the box by a lifting member; a frame serving as the sheet metal cutting point, with a laser cutting head for cutting sheet metal mounted on the top of the frame via an XYZ platform. In this utility model, the feeding process creates intervals between each metal sheet sliding out of the box during feeding, preventing collisions between sheets during feeding and stabilizing the stability of the sheets during feeding, thereby avoiding any impact on production efficiency during feeding.

The application discloses a kind of 3D printing composite material and preparation method thereof, it is related to 3D printing functional composite material and flexible electronic material technical field.The application is prepared when composite material, with thermoplastic polyurethane as flexible matrix, graphene, carbon nanotube is synergistic conductive filler, by solution dispersion, melt blending, fused deposition forming and microwave surface enhancement is obtained.The application utilizes graphene sheet layer support and carbon nanotube bridging effect, constructs continuous efficient conductive network under low filler, solves the industry pain point that traditional material filler is highly dependent, printing is poor, electrical stability is insufficient, has excellent printability, piezoresistive response and cycle stability, and is suitable for flexible sensing, wearable electronics, structure function integrated device.

A casement window inner frame is fixedly connected to the inner wall of a casement window outer frame, a door and window lock rail is arranged on the left side of the front surface of the casement window outer frame, and an opening and closing window is arranged on the inner wall of the casement window inner frame. The double-layer glass is arranged in an inner wall groove of the opening and closing window and connected with the first glass containing opening and the second glass containing opening, the axis opening is formed in the upper portion and the lower portion of the left side of the front surface of the opening and closing window, and the limiting rotating shaft is arranged in the middle of the left side of the front surface of the opening and closing window. The rotating block is sleeved with the axis opening, the rotating control column is fixedly connected to the surface of the rotating block, the sliding block is fixedly connected to the back of the rotating control column, the first glass containing opening is formed in the left side of the inner wall of the opening-closing window, the second glass containing opening is formed in the right side of the inner wall of the opening-closing window, and the hidden drainage groove is formed in the bottom of the first glass containing opening.

The present disclosure relates to the technical field of cable production, and one embodiment of the present disclosure provides a cable drum cable pressing wheel device, which comprises a base and a pair of vertical plates, the vertical plates are arranged on the base, a drum is arranged on the base, a clamping driving assembly is arranged between the drum and the base, a column is fixed on the base, and a pressing wheel compacting assembly is arranged on the column. The pressing wheel compacting assembly comprises a pair of transmission cavities, the transmission cavities are arranged in the upper and lower ends of the column, a lifting frame connected through vertical linear driving is arranged in the transmission cavities, the transmission cavities are arranged in the lifting frame, the transmission cavities are open on both sides, and a pair of pressing rollers are arranged on the lifting frame. Through the above technical scheme, the technical problem that most cable drums in the prior art can easily cause the cable to be stacked too high and the local stress to be uneven, which not only occupies more storage space, but also can cause the cable to slip and wear during transportation or use is solved.

The application discloses a preparation method and application of a defect-rich ruthenium dioxide aerogel catalyst, and the preparation method comprises the following steps: S1: uniformly mixing a ruthenium source, a selenium source and water to obtain a solution A, uniformly mixing a reducing agent and water to obtain a solution B, and adding the solution A into the solution B, and then washing after reaction to obtain Ru2Se AS; S2: loading the Ru2Se AS obtained in the step S1 on carbon black, and then performing washing and freeze-drying to obtain Ru2Se aerogel loaded on the carbon black; and S3: performing heat treatment on the Ru2Se aerogel loaded on the carbon black obtained in the step S2 to obtain a product. Electrochemical tests show that the prepared defect-rich ruthenium dioxide aerogel catalyst has high water electrolysis oxygen evolution (OER) performance under an acidic condition, and has good application prospect and commercialization potential.

The utility model relates to the technical field of oral care, in particular to an oral toothbrush, which comprises a lighting component and a holding component, the lighting component comprises a connecting tube, a battery box, a switch and a lighting lamp, the battery box is mounted on one side of the connecting tube, the switch is mounted on the surface of the connecting tube, and the lighting lamp is arranged on one side of the switch. According to the oral toothbrush, through the arrangement of the connecting pipe, the battery box, the switch and the illuminating lamp, when the oral toothbrush is used, the battery box is fixed by the connecting pipe, a battery can be stored in the battery box and used for supplying power to the illuminating lamp, a user can manually control the switch to control the illuminating lamp to be turned on and turned off, and when the user stretches the connecting pipe into the oral cavity of a patient for cleaning, the illuminating lamp illuminates the oral toothbrush; the battery box, the switch and the illuminating lamp are electrically connected, so that an operator can be matched for examining the interior of the oral cavity, sputum and flushing fluid are sucked and discharged, teeth can be cleaned, the cleaning efficiency is improved, and the cleaning difficulty of the user is reduced.

The utility model provides a breast pump sealing mechanism and breast pump relates to breast pump technical field, wherein the sealing mechanism includes milk cover body, milk cover body includes milk bowl cover and sealing structure, the sealing structure includes rigid sealing piece and flexible sealing piece, and the rigid sealing piece and flexible sealing piece form connecting neck between connecting neck, and the connecting neck is connected with the flexible sealing piece. The rigid sealing piece of a rigid structure is adopted, stable strength and stability can be provided, the flexible sealing piece can elastically deform in the direction close to the rigid sealing piece, and the connecting flange located in the connecting clamping groove can be attached to the rigid sealing piece more tightly; the elastic deformation can compensate poor contact between the connecting flange and the connecting clamping groove caused by errors or deviation during assembly, tight connection between the milk cover body and the milk bowl and reasonable combination of a rigid structure and a flexible structure are guaranteed, the dual functions of rigid supporting and flexible adaptation are achieved, sealing tightness is guaranteed, and the service life of the milk cover body and the milk bowl is prolonged. And the stability and the adaptability of the whole structure are also improved.

The utility model discloses an integral bathroom one-way folding door which comprises an upper guide rail, a lower guide rail and a door plate assembly, the upper guide rail and the lower guide rail are horizontally arranged at the top and the bottom of a door opening of an integral bathroom respectively and used for guiding the door plate assembly to slide and fold, and the door plate assembly is composed of a plurality of door plates hinged to one another. The upper end and the lower end of each door plate are movably connected with the upper guide rail and the lower guide rail respectively, the door plates are connected through movable hinges, relative folding action can be achieved, and when the door plate assembly is in a completely unfolded state, the multiple door plates are spliced to form a complete door body. The utility model has the advantages of reasonable structural design, space saving, stable guiding, water drainage, light transmission, convenient and safe use and good sealing performance.

The application discloses a method for improving heat exchange efficiency in a dimethyl sulfoxide production process, and particularly relates to optimization of the dimethyl sulfoxide production process, especially a means for improving heat exchange efficiency in the production process. The method solves the problem of low heat exchange efficiency in the prior production method, has the technical advantages of greenness and high efficiency, and unexpectedly obtains the advantages of yield improvement, device cleaning and extension of replacement period, and the like. The method can save cost and improve production efficiency in actual production.