9results about How to "Solve contact problems" patented technology

The utility model relates to the technical field of earplug boxes, and discloses an earplug box, which comprises a box body, earplug grooves for placing earplugs are arranged in the box body, an active extrusion seat for extruding and thinning the earplugs is arranged in the box body, and the active extrusion seat is in sliding fit with the box body. The active extrusion seat is connected with a pressing part for pressing and driving the active extrusion seat to move and extrude relative to the earplug groove, and the pressing part is exposed out of the box body; the earplug is placed in the earplug groove of the box body, the pressing part is pressed by a finger to drive the active extrusion seat to extrude the earplug, the earplug can be easily plugged into an ear for use after being taken out, the earplug can be prevented from being polluted by the finger due to the fact that the earplug is not directly contacted by the finger, and although the earplug needs to be contacted during taking, the earplug can be conveniently taken out. However, as the earplugs are longer, the taking positions can be located at the tail parts, which are not contacted with the parts plugged into the ears, of the earplugs, the earplugs are convenient to carry and store, and the problem that the earplugs are contacted with fingers in the compression process is solved.

The invention relates to a harmonic gear meshing pair with a cycloid tooth profile and a design method of the harmonic gear meshing pair, and belongs to the technical field of mechanical transmission. The tooth profile of the harmonic gear meshing pair is mainly composed of a flexible gear profile, a rigid gear profile and a wave generator profile. Wherein the end face tooth profile or the normal face tooth profile of the flexible gear is a cycloid tooth profile, the cycloid tooth profile is formed by combining a cycloid curve section and an arc curve section, and the tooth profiles at the two ends are in smooth connection; the rigid gear is a thin-wall internal gear, and the tooth profile is an arc tooth profile or is obtained through enveloping calculation of the tooth profile of the deformed flexible gear; the contour of the wave generator is an elliptic curve. According to the harmonic gear meshing pair, the multi-tooth meshing characteristic is brought into full play in the meshing process, meanwhile, the number of meshed teeth accounts for 50% or above of the total tooth number, and the transmission precision and the bearing capacity of harmonic gears can be effectively improved.

The present invention belongs to the technical field of mobile phone display manufacturing, and in particular, is a fast cooling pressure head on a mobile phone display bonding device, comprising a horizontal fixed bracket, a cylinder is fixedly connected to one side of the top of the horizontal fixed bracket by bolts, a Z-axis mounting bracket is movably connected to the other side of the top of the horizontal fixed bracket, the cylinder is located at the front side of the Z-axis mounting bracket, the bottom side of the Z-axis mounting bracket is fixedly connected to two vertical fixed brackets by bolts, the piston shaft of the cylinder extends to the bottom of the horizontal fixed bracket and is fixedly connected to a heating element, and the heating element is located between the two vertical fixed brackets. The fast cooling pressure head proposed by the present invention has the characteristics of pollution-free rapid heating, rapid cooling, fast and accurate temperature control, and no water seepage or pipe bursting during repeated heating of the pressure head, which solves the problem of poor electronic circuit contact and mechanical connection caused by the material rebounding due to the withdrawal of the pressure head under high temperature during the bonding process of FPC electronic circuits.

The invention relates to the technical field of artificial intelligence and lip language recognition, and provides a flexible sensing device and a lip language recognition method based on the same. According to the flexible sensing device and the lip language recognition method based on the flexible sensing device, a data acquisition unit is used for acquiring differential electromyographic signals; the transmission cable is used for transmitting the collected differential electromyographic signals; the analog noise filtering module is used for twice amplification and low-pass and band-pass filtering; the acquisition mainboard is used for controlling analog-to-digital conversion, data preprocessing and wireless transmission; a data preprocessing module; the software denoising module is used for software denoising and normalization; and the upper computer is used for the feature extraction and screening unit, machine learning classification and visualization. According to the device and the method, the fixing and contact problems of the rigid electrode in the lip language muscle electric signal acquisition process are solved, and more effective denoising and more accurate human body lip language signal identification can be carried out.

The invention relates to a preparation method of an in-situ growth SnS2 resistive random access memory with low power consumption and high switch ratio. The preparation method comprises the following steps: successively processing a Cr layer and an Au layer on the surface of a wafer-level SiO2 / Si substrate to obtain a Cr / Au bottom electrode; the preparation of the SnS2 resistive random access memory with low power consumption and high on-off ratio is completed through a PrCVD method to obtain an in-situ growth PMMA / SnS2 / Au sample, and the preparation of the in-situ growth SnS2 resistive random access memory with low power consumption and high on-off ratio is completed by processing an Ag metal film through a hard mask technology. The two-dimensional material growing in the vertical direction can be prepared, and the power consumption of the resistive random access memory can be effectively reduced. As the target product can be directly grown on the surface of the substrate, the large-area two-dimensional material can be directly deposited on the metal surface. The preparation process is good in stability, the prepared wafer-level SnS2 resistive random access memory can also be used as a master slice for industrial production and can also enter a CMOS process production flow, and industrialization of the low-power-consumption high-switch-ratio resistive random access memory based on the two-dimensional material is greatly promoted.

The utility model discloses a multi-pole ignition device of an impulse voltage generator, and relates to the technical field of impulse voltage generators. The multi-pole ignition device of the impulse voltage generator comprises a bottom plate and an impulse voltage generator body arranged above the bottom plate, and a connecting mechanism and an ignition mechanism are arranged above the bottom plate; the connecting mechanism comprises a mounting part and a moving part; the mounting part comprises a connecting frame and a supporting block; the moving part comprises two lifting frames and two groups of moving wheels; the device has the technical effects that the nut in the connecting mechanism rotates to drive the control frame to move along the first threaded rod, so that the lifting frame descends or ascends, and the moving wheels are in contact with or separated from the ground. By means of the design, the problem that a traditional impulse voltage generator is inconvenient to move is effectively solved, a large amount of manpower and material resources do not need to be consumed during equipment installation and site transfer, and the flexibility and applicability of the device are greatly improved.

The utility model relates to the technical field of drill rods, and discloses a drill rod carburizing device which is characterized in that a drill rod disc is arranged on the top surface of a supporting seat, a cushion rod is arranged at the bottom end of a working box, a draining frame is arranged on the inner side of a balance frame, a receiving disc is arranged on the bottom surface of the draining frame, a limiting clamping plate is arranged on the top surface of the working box, and a limiting frame is arranged on the side surface of the limiting clamping plate; suckers are arranged on the bottom faces of the limiting clamping plates, and moving rods are arranged on the ceiling faces. According to the drill rod carburizing device, drill rods are driven by the drill rod disc to be supported at the top end of the supporting base, the bottom ends of the drill rods can be shaped and supported by the lining bars in the box, it is guaranteed that even carburizing work can be achieved among the multiple drill rods, and the drill rod disc can achieve filling and sealing on a circular groove in the top face of the working box; and the drill rod disc is positioned and fixed by rotating the moving rod to drive the sucking disc, so that a medium in the box is prevented from overflowing from the top end of the working box in the carburizing process, the carburizing efficiency of the drill rod can be improved, and the situation that the carburizing effect is affected due to the fact that the placing position goes wrong is effectively solved.

The utility model provides a work fixture for electroplating, which belongs to the technical field of electroplating and comprises a fixture body and a sealing sleeve, the fixture body is provided with a clamping point for clamping an article to be electroplated, the fixture body is made of conductive titanium materials, and an insulating coating is arranged on other areas of the surface of the fixture body. Metal is exposed only at the clamping point, namely the electrified position making contact with the to-be-plated object, so that cathode current can be normally introduced into the to-be-plated object, the clamping point is sleeved with the sealing sleeve, the sealing sleeve is used for isolating the clamping point from electroplating liquid, and therefore the clamping point is prevented from being plated with the metal; according to the utility model, the clamping point is sleeved with the sealing sleeve, and the sealing sleeve can prevent the clamping point from being in contact with electroplating liquid, so that the clamping point is prevented from being plated with metal, the clamping point does not need to be deplated, the extra production cost generated by deplating is effectively reduced, and in addition, as the clamping point is not plated with metal, the process stability can be improved, and the product yield can be improved.

This invention discloses a raw material extraction device for detecting anthocyanin content in pure black rice breeding materials, relating to the field of anthocyanin extraction technology in pure black rice breeding materials. The device includes a main structure comprising an extraction tank. A support is fixedly installed on the bottom surface of the extraction tank, and a tank lid is fixedly installed on the upper surface of the extraction tank. A discharge pipe is fixedly connected to the bottom of the extraction tank, and an extraction processing mechanism is provided on the outside of the extraction tank. This raw material extraction device for detecting anthocyanin content in pure black rice breeding materials, through a grinding and air separation unit, can precisely grind the pure black rice breeding materials using grinding rollers, efficiently separating the rice husks from the rice grains. After filtration through a filter screen, the pure rice grains and seed coats enter the extraction tank through the husks, while the broken rice husk impurities are discharged through the discharge chamber. This achieves automated grinding, screening, and conveying of the raw materials, effectively solving the problem of rice husks hindering the contact between the extraction solvent and anthocyanins.