14results about How to "Increase touch points" patented technology

The utility model relates to humidity sensor technical field discloses a humidity sensor with high sensitivity, including insulating base, the insulating base is pasted with the lower humidity sensitive membrane for sucking the water resource of external environment, and the side that lower humidity sensitive membrane is away from insulating base is equipped with double -end electrode, simultaneously the side that double -end electrode is away from lower humidity sensitive membrane pastes with the upper humidity sensitive membrane for sucking the water resource of external environment. In the utility model, through setting up streamline groove on lower humidity sensitive membrane and upper humidity sensitive membrane, can increase the surface area on lower humidity sensitive membrane and upper humidity sensitive membrane, secondly increase more water molecule contact point, thereby improve the hygroscopic efficiency and humidity sensor's sensitivity, streamline groove can help guide air flow simultaneously, make the water vapor in the air more effectively contact different parts of the humidity sensing film, which helps to improve the overall hygroscopic humidity sensing speed and uniformity, ensure the accuracy of humidity sensor monitoring.

This utility model discloses a wooden door for use with a floor spring, including a front panel (1) and a back panel (2). Two vertical beams (3) are provided between the front panel (1) and the back panel (2). An upper horizontal beam (4) and a lower horizontal beam (5) are provided between the front panel (1) and the back panel (2). Multiple reinforcing beams (6) are provided between the front panel (1) and the back panel (2). A limiting beam (7) is provided on the inner side of one of the vertical beams (3). The upper and lower ends of the limiting beam (7) are fixed to the upper horizontal beam (4) and the lower horizontal beam (5) respectively. The front panel (1) and the back panel (2) are both fixed to the limiting beam (7). A tightly fitted iron square tube (8) is provided between the limiting beam (7) and the vertical beam (3). The bottom of the iron square tube (8) is provided with a connecting shaft (9) that passes through the lower horizontal beam (5). The bottom of the connecting shaft (9) is provided with a socket (10) that mates with the floor spring. This utility model has the advantage of a long service life.

The utility model relates to a long-acting low-temperature-resistant corrugated board which comprises a paper board body, fixing blocks are symmetrically and fixedly connected to the right end of the paper board body, inserting strips are symmetrically and fixedly connected to the ends, away from the paper board body, of the fixing blocks, and fixing strips are symmetrically and fixedly connected to the ends, located between the two inserting strips, of the fixing blocks. Clamping blocks are fixedly connected to the sides, away from each other, of the two sets of fixing strips, the two sides of each clamping block are designed to be of an inclined face type structure, placing grooves are formed in the positions, corresponding to the fixing blocks, of the left end of the paperboard, clamping columns are fixedly connected to the middles of the interiors of the placing grooves, and baffles are symmetrically and fixedly connected to the interiors of the placing grooves; clamping grooves are formed in the positions, corresponding to the clamping columns, of the inner side walls of the baffles. The paperboard splicing device has the advantages that by means of the design of the clamping columns and the clamping grooves, splicing of two sets of paperboards can be rapidly completed, and loosening is avoided.

The invention discloses an ultrahigh-pressure semiconductor pneumatic diaphragm valve which at least comprises a valve body, a connecting assembly and an air cylinder, and the connecting assembly is detachably connected between the valve body and the air cylinder. A spring and a piston are arranged in a cylinder body of the cylinder; two ends of the spring are respectively in compression joint with a cylinder cover of the cylinder and the upper end plane side of the piston; a lever mechanism is further arranged in the air cylinder and arranged below the piston, the top of the lever mechanism is connected with the lower end plane side of the piston in a pressed mode, and the bottom of the lever mechanism is connected with the connecting assembly in a pressed mode. The connecting assembly controls opening and closing of the air inlet and the air outlet of the valve body through the lever mechanism. According to the lever principle, the technical effects that the downward pressing force is more perpendicular to the diaphragm, the contact area is larger, more contact points exist, the pressure intensity of the lever piece is smaller, and the service life of the lever piece is longer are achieved.

The preparation method comprises the following steps: adding an alkaline reagent into a silver-containing leaching solution of a retired photovoltaic module to adjust the pH value to 3-5, carrying out solid-liquid separation after reaction to obtain an impurity-removed leaching solution, adding flake silver powder into the impurity-removed leaching solution, then adding a mixed solution of a dispersing agent and a reducing agent, and carrying out liquid-phase reduction reaction to obtain the micro-nano silver powder. And carrying out solid-liquid separation on the reacted slurry to obtain the micro-nano silver powder with lead on the surface. According to the preparation method provided by the invention, silver and lead in the retired photovoltaic silver-containing leaching solution can be effectively utilized, the micro-nano composite silver powder with high conductivity can be prepared in one step, and the preparation method is suitable for preparation of photovoltaic conductive silver paste and electronic packaging conductive silver paste.

The utility model discloses an anti-static dust collector which comprises a main body (1), a dust cup (2) is detachably arranged on the front side of the main body, a vacuumizing device (3) is arranged in the upper portion of the rear side of the main body, a battery pack (4) is detachably arranged on the lower portion of the rear side of the main body, a handle (5) is formed between the vacuumizing device and the battery pack, and the inner side of the handle is movably connected with a main switch (6). An opening groove (61) is formed in the pressing surface of the main switch, a conductive piece (7) is arranged in the main switch, the front end of the conductive piece is installed in the opening groove and can be touched, the rear end of the conductive piece abuts against the interior of the main body through a spring (8), and the tail end of the spring is connected with the negative electrode of a battery pack (4) through a wire. The conductive piece is arranged on the main switch, static electricity can be conducted to the negative electrode of the battery pack to be released when the main switch is pressed, the hand hitting phenomenon is avoided, and the user experience is improved.

This utility model discloses a reinforcing beam for a passageway in the front floor of an automobile, comprising a passageway plate and reinforcing beams. Three sets of reinforcing beams are fixedly welded to the bottom surface of the passageway plate, with transverse ribs welded between adjacent sets of reinforcing beams. Side ribs are fixedly welded to the outer side of the reinforcing beams and the passageway plate. The main body of each side rib is an oblique L-shaped rib plate, and a second branch rib in contact with the bottom surface of the passageway plate is fixedly welded to the center of the bottom side of the side rib. The transverse ribs are T-shaped rib plates, with two sets of opposing first branches fixedly welded to the bottom side of the transverse ribs, and the transverse ribs are also fixedly welded to the bottom surface of the passageway plate via the first branches. This reinforcing beam for a passageway in the front floor of an automobile, through the setting of the reinforcing beams on the bottom side of the passageway plate and the transverse and side ribs on its outer side, can increase its weight by utilizing the reinforcing beams. Simultaneously, each set of transverse and side ribs can increase its contact points and contact area with the bottom surface of the passageway plate, thereby maximizing its own pressure-bearing effect.

The application relates to the technical field of steel pipe grinding, and discloses automatic rotary polishing equipment for high-precision stainless steel pipe surface treatment, which comprises a polisher main body and a clamping mechanism arranged on the top of the polisher main body. The clamping mechanism comprises a supporting plate arranged on the top of the polisher main body, a circular groove arranged on the top of the supporting plate, a rotating drum arranged on one side of the supporting plate close to the circular groove, one side of the rotating drum close to the supporting plate being rotationally connected with the circular groove, an annular groove arranged on one side of the rotating drum close to the circular groove, a driving ring arranged in the annular groove, a worm arranged on the rotating drum close to the driving ring, three annular arrayed special-shaped holes arranged on one side of the rotating drum away from the circular groove, a sleeve arranged on the inner wall of one side of the special-shaped hole away from the circular groove, and a driving groove arranged on the inner wall of the sleeve. The clamping mechanism can meet the clamping requirements of the inner wall and the outer wall of the stainless steel pipe, and the contact points between the clamping mechanism and the stainless steel pipe are increased to enhance the clamping stability.

The application discloses a piece contact plug-in structure, which comprises a spring piece and a clamping shell, the spring piece is arranged in the clamping shell, the spring piece comprises an upper spring piece and a lower spring piece which are arranged in an up-down mode and form a plug-in slot, the upper spring piece and the lower spring piece each comprise a spring piece base body, the spring piece base body is provided with a first cantilever and a second cantilever, the second cantilever is located in a different height plane from the first cantilever, the gap between the first cantilever and the second cantilever is infinitely reduced to zero, the number of cantilevers is increased, the number of contact points is increased, the conductive performance is improved, the conductive performance is improved, the width of the spring piece base body is fully utilized, the spring piece body resistance is reduced, the current carrying capacity of the spring piece is improved, and the problem that in the prior art piece contact, the number of cantilevers and the spring piece body resistance value are fixed without increasing the width of the spring piece base body, the conductive performance and the current carrying capacity are fixed, and the conductive performance and the current carrying capacity cannot be improved is solved.

The improved pressure pad structure of the optical fiber cutting knife comprises an upper pressure pad and a lower pressure pad, each of the upper pressure pad and the lower pressure pad comprises a pressure pad base and a rubber pad, the pressure pad bases are provided with positioning grooves, the rubber pads are located on the positioning grooves, the end face parts of the rubber pads are arc-shaped, and the arc-shaped end face parts of the upper pressure pad and the lower pressure pad are matched with each other. The beneficial effects of the utility model are that: 1, the pressure pad adopts the parabolic cambered surface, the curvature enables the contact points of the optical fiber and the cambered surface to be increased, and the effective friction area is increased, so that the optical fiber is clamped more tightly; 2, when rubber is aged to generate salient points, the upper pressure pad and the lower pressure pad are cambered surfaces and are staggered up and down, so that the optical fiber can be compressed, the influence of the salient points can be filtered out, and the compression effect of long-term use is improved; and 3, when small objects exist on the rubber surface, the optical fiber pressing effect is not influenced.

The utility model relates to positioning platform technical field especially difference driven nanometer positioning platform. It mainly aims at the positioning platform of adopting screw drive currently, and its adjustment accuracy depends on the lead of screw, but the minimum limit exists in the lead of screw, leads to the adjustment accuracy being limited, cannot satisfy the high accuracy application demand. In view of above -mentioned problem, the following technical scheme is presented, including base and the work platform located above the base, at least one group of guide rail assembly is set between the base and work platform, the difference driven mechanism is installed on the base, the difference driven mechanism includes the servo motor of movable arrangement, the coaxial rod is fixedly connected with servo motor output end, the coaxial rod is two section screw and is same, and the lead of different screw is composed. The utility model breaks through the minimum limit of screw lead and restricts the adjustment accuracy, can realize higher accuracy positioning adjustment, satisfies the demand of high accuracy application scene.

The utility model discloses a lifting device and a lifting connection device. The lifting device comprises a supporting structure, the supporting structure comprises at least one supporting assembly, the supporting assembly is used for containing a base plate, each supporting assembly comprises a first base, the first base is provided with a plurality of sets of supporting units, and the supporting units are connected with the base plate; the lifting structure comprises a driving part, the output end of the driving part is provided with a steering assembly, the steering assembly is connected with at least one lifting assembly and converts rotary motion into vertical motion, and the lifting assemblies are connected with the first base so as to drive the base plate to ascend or descend. According to the utility model, the single driving piece drives the lifting assemblies through the steering assembly, so that synchronous lifting of multiple supporting points is ensured, and inclination or clamping stagnation of the substrate is avoided; the steering assembly converts the horizontal rotating motion of the driving piece into the vertical direction, and the problem that the precision of a traditional pneumatic / hydraulic system is insufficient due to pressure fluctuation is solved.

The utility model belongs to the technical field of supporting mechanisms, and particularly relates to a supporting tooth group structure for cooling forgings, which comprises supporting teeth and a base, the top of the base is provided with a mounting groove, the mounting groove extends along the length direction of the base, a plurality of supporting teeth are detachably arranged in the mounting groove, and the supporting teeth are arranged in the mounting groove. The supporting tooth is suitable for abutting against a forge piece, the purpose is that through the arrangement of a detachable structure of the supporting tooth and the base, the maintenance cost is greatly reduced, mounting and dismounting are more convenient, specifically, a sliding block at the bottom of the supporting tooth is matched with a sliding groove formed in the top of the base, and an opening is formed in one end of the sliding groove. When an individual supporting tooth is damaged, the whole supporting platform does not need to be replaced, only the damaged supporting tooth needs to be taken out in a sliding mode in the opening direction and replaced with a new supporting tooth, and the high cost problem that a traditional welding type supporting platform needs to be integrally replaced due to the fact that part of tooth blocks are damaged is solved.

This utility model discloses a headrest bracket assembly for a hair washing platform. The key technical features include: a fixed plate; a support rod installed on the fixed plate; a first vertical rod and a second vertical rod fixed at both ends of the support rod respectively; a first sliding cylinder provided on the fixed plate, through which the first vertical rod slides vertically; and a toothed positioning assembly between the first vertical rod and the first sliding cylinder to adjust their height, thereby achieving vertical height adjustment of the bracket and meeting the customer's needs for head height adjustment during hair washing.