22results about How to "Reduce contact surface" patented technology

This invention belongs to the technical field of quartz products, and particularly relates to a quartz ring-type product cleaning basket and its working method. A quartz ring-type product cleaning basket includes a basket body, a bottom hook, side hooks, and a position adjustment structure. The basket body is open at the top; the bottom hook is fixedly installed at the bottom of the basket body, and has multiple first positioning grooves along its length; at least two side hooks are provided, symmetrically arranged above both sides of the bottom hook, and have multiple second positioning grooves; the position adjustment structure is used to adjust the distance between the two side hooks and the distance between the side hooks and the bottom hook. This invention, by adjusting the distance between the two side hooks and the distance between the side hooks and the bottom hook through the position adjustment structure, adapts to quartz ring products of different sizes, thereby improving the versatility of this cleaning basket.

This utility model relates to the field of smartwatches, specifically a smartwatch with a replaceable case. It includes a watch body, a first watch strap rotatably connected to one side of the watch body via a pivot, and a second watch strap rotatably connected to the side of the watch body away from the first watch strap via a pivot. A lower housing is located below the watch body, and several sets of connecting components are arranged on the upper part of the lower housing, respectively located on both sides of the lower housing in a symmetrical arrangement. Several sets of limiting components are located below the watch body, and the limiting components are connected to their corresponding connecting components. Compared to existing technologies, this patent, by setting connecting components and limiting components, allows the first and second limiting blocks to clamp the inverted trapezoidal inclined block with increased force via a threaded rod, thus increasing the contact area. The inverted trapezoidal structure of the inclined block becomes increasingly tighter under pressure. The limiting rod is inserted into the limiting hole, forming an anti-shear redundancy design, improving vibration and impact resistance.

The utility model relates to a rotatable supporting leg column and foot stand assembly of office chair, and relates to an office chair leg and foot assembly with a novel connecting structure. The utility model discloses a chair supporting leg column, and a foot stand which is detachably and fixedly connected with the supporting leg column. The foot stand comprises a central sleeve and a chair foot extending outward. The central sleeve has a leg column hole, and the supporting leg column can be inserted into the leg column hole and tightly matched with the leg column hole. A plurality of axial strip-shaped slot holes are uniformly distributed on the inner surface of the leg column hole. A key groove is also arranged on the inner surface of the leg column hole. A key hole is arranged on the supporting leg column. A key column is also arranged and can be clamped in the key groove. The utility model technical scheme can realize quick, simple and easy disassembly and assembly.

The utility model discloses a water cooling plate integrated turbulence structure relates to water cooling plate technical field, and this turbulence structure includes bottom plate, and the top of bottom plate is provided with turbulence structure, and the top of turbulence structure is provided with upper baffle, still include: sealed outer frame, its setting in the external position of bottom plate, turbulence structure and upper baffle, and the top position of upper baffle is provided with the water pass -through port, and the water pass -through port is provided with two, and the upper end of two water pass -through ports all is provided with the water nozzle, and the socket recess is set up on the bottom end inner wall of upper baffle, and the inside of two socket recesses is provided with two fins, has solved the existing water cooling plate through the built -in fan -shaped flow channel structure and has increased the heat exchange area of water cooling plate, but water cooling plate lacks effective turbulence mechanism, leads to the problem of easy partial overheating.

This invention discloses a polymer antistatic wood-plastic composite flooring, relating to the field of wood-plastic composite flooring, comprising joists and wood-plastic composite panels. At least two joists and wood-plastic composite panels are provided, with the two joists arranged parallel to each other and the two wood-plastic composite panels slidably fitted onto the tops of the two joists. A connecting structure is provided on adjacent sides of the two wood-plastic composite panels. In practical operation, when the wood-plastic composite panels are installed outdoors, rainwater will enter the interior of the moisture-proof ring through the heat dissipation holes during rainy weather and drain out from both ends of the moisture-proof ring, reducing the accumulation and erosion of rainwater on the top of the wood-plastic composite panels, thus improving service life. The addition of multiple sets of heat dissipation holes increases the friction on the top of the wood-plastic composite panels, preventing slippage during rainy weather. Because rainwater drains quickly, it dries rapidly after the rain stops due to wind and temperature variations.

This utility model discloses a protective and impact-resistant resin lens, comprising: a lens; a mounting bevel on the edge of the lens, the bevels on both sides facilitating the lens to be secured in the mounting groove of the frame; multiple slots surrounding the edge of the lens, with shock-absorbing pads placed in the slots; an arc-shaped surface between the inner edge of the bevel and the edge of the lens surface; and a wear-resistant layer on the inner and outer surfaces of the lens, the wear-resistant layer comprising a zirconium oxide film layer, a titanium oxide film layer, and a silicon oxide film layer. The shock-absorbing pads on the edge of the lens reduce the fixing force between the frame and the lens edge, reducing the contact area of ​​the rigid connection, thus reducing the probability of damage to the lens edge upon impact. The wear-resistant layers on the front and back surfaces of the lens protect the lens surface from scratches upon impact.

The utility model discloses a feeding device of a bottle blowing machine, which comprises a base, an inclined bottle blank slide way is fixedly mounted on the base, an outlet of the bottle blank slide way is connected with a blank separating mechanism, the blank separating mechanism comprises a blank separating block horizontally mounted on the base in a sliding manner, and a plurality of bottle blank clamping grooves are formed in the blank separating block. A bottle blank clamping groove of the blank separating block faces one side and is connected with an outlet of the bottle blank sliding way, the blank separating block is driven by a horizontal reciprocating driving device, an auxiliary limiting device and an auxiliary backup plate horizontally sliding on the limiting device are installed on the side, located on the blank separating block, of the base, and the auxiliary backup plate is driven by an auxiliary linear power device. The auxiliary backup plate leans against the bottle blanks in the bottle blank clamping grooves when approaching the blank separation blocks; a bottle blank clamping and overturning mechanism is installed on the base and located on the other side of the blank separating block, and a feeding blocking device used for blocking the bottle blanks, close to the outlet, of the bottle blank sliding way is further installed on the base. The feeding device is simpler in structure and can more accurately achieve feeding of the bottle blanks.

This utility model relates to the field of electric curtain technology, specifically to an electric curtain guide rail, including a guide rail body, multiple mounting mechanisms, multiple recessed plates, and multiple connecting plates. The interior of the guide rail body has a corrugated texture. In use, a slider is placed inside the guide rail body and fixed in place by the multiple connecting plates. The added recessed plates make it easier and tighter to assemble the guide rail body, solving the problem of guide rail jamming and excessive noise caused by improper assembly after transporting in sections. The innovative symmetrical design of the guide rail body allows the motor to be installed vertically or upside down, meeting personalized installation needs. Furthermore, the corrugated texture inside the guide rail body reduces the contact area between the transmission belt and the guide rail body during sliding, reducing friction and noise.

This utility model discloses a cleaning and loading rack for medical devices, including a support member with multiple support slots along its length; a positioning member having a support surface and a positioning surface connected to the support surface, wherein the support surface is positioned closer to the support slots than the positioning surface, a clearance area is provided between the support member and the support surface, and the support slots are positioned higher than the support surface, with the positioning surface extending upward from the support surface; and a connecting member for connecting the support member and the positioning member. This utility model achieves oblique placement of the device by utilizing the height difference between the support slots and the support surface for coordinated support of the device, and by using the positioning surface to limit the device's tail end, allowing water to quickly slide off the device and accelerate subsequent drying. Furthermore, the clearance area minimizes the contact area between the water and the cleaning and loading rack, allowing water to drain quickly from the rack, which is beneficial for rapid drying of the device.

The utility model belongs to the technical field of fiber textile fabrics, and particularly relates to an anti-pilling fabric. By arranging the three-layer structure and additionally arranging the static electricity connecting fiber clusters connected with the static electricity generating fiber clusters on the anti-pilling layer, electrons on the surfaces of high-static-electricity materials such as regenerated fibers can be transferred, and the situation that short and small regenerated cellulose formed by breakage under the static electricity effect is separated from original plied yarn is avoided; the pilling phenomenon on the surface of the electrostatic generation fiber cluster is relieved. By arranging the static dispersing fiber clusters which are connected with the static connecting fiber clusters and are partially arranged outside the protective layer, static electricity can be transferred from the inside of the fabric to the outside along the electron generating end, the static electricity inside clothes is reduced, and meanwhile, the static electricity inside the clothes is reduced. The electronic divergence ends formed by winding and interweaving the electric divergence fiber clusters can also achieve the physical isolation effect between the surfaces of the fabric, friction between the electronic divergence ends and the protective layer is reduced, and the fuzzing and pilling problems are solved through static conduction and physical isolation.

The utility model discloses a ladder type PTFE sealing element structure, including the shell of setting up the pivot piece still including the main seal of setting up in the outer side of pivot piece and the inner ring is provided with the lip, is equipped with the strip hole of symmetrical arrangement on the side wall of main seal, still including the vice seal of sticking to the side wall of main seal, the ring strip of inserting in the strip hole is fixedly installed on the vice seal, is equipped with the air cavity in main seal. The ladder type PTFE sealing element structure provided by the utility model increases the main seal and vice seal connection contact surface and friction force through the ring strip of rubber material quality, makes two not easy to slip off through temperature difference change, reduces the generation of gap, and the air cavity is accompanied by the pressure of cavity edge to strip hole position in the heating process and makes the connection more fastening, simultaneously accompanied by the lip far away from pivot piece side wall far away, the purpose is that the contact surface between rubber deformation and pivot piece can be reduced under high temperature environment, reduces the abrasion of pivot piece to main seal, improves ladder type PTFE sealing element use efficiency.

This invention belongs to the field of stool technology, specifically relating to a height-adjustable stool for assisting standing, comprising: a Y-shaped base including three supporting arms; the upper surface of each supporting arm is a supporting plane; chamfered edges are present on opposite sides of the supporting plane; the width of the extended end of the supporting plane is greater than the width at its base; a base; and a support assembly including a movable rod and a fixed sleeve; the movable rod is movably mounted on the fixed sleeve; the upper end of the movable rod is connected to a connection port at the center of the Y-shaped base, and the lower end of the fixed sleeve is fixedly connected to the base. The height-adjustable stool in this design allows for straddle use and height adjustment as needed, assisting workers who stand for long periods, alleviating lower limb swelling and varicose veins; when made of metal, it is more robust and durable, and absorbs static electricity. Height control is unnecessary, reducing bacterial transmission and cross-infection among mobile users.

The present invention provides an electroplating apparatus and method for prolonging the service life of a circulating electroplating solution by isolating external oxygen. The apparatus includes: an open electroplating tank; a sealed liquid storage tank with electroplating solution stored therein, injected with N2 and maintained at a preset pressure; a liquid injection, reflux and overflow pipeline connecting the electroplating tank and the liquid storage tank, with U-shaped liquid seals provided on both the reflux and overflow pipelines; an N2 pipeline for providing an oxygen-isolated environment for the electroplating solution reflux channel; a bypass pneumatic valve for opening after the N2 pipeline releases N2 to balance the N2 pressure in the liquid storage tank. The present invention innovatively proposes a brand-new open electroplating tank body device structure and electroplating solution circulation system. By controlling the N2 pipeline and using the U-shaped liquid seal, the air in the reflux and overflow pipelines can be discharged and the overall system can be helped to isolate air and oxygen. With the help of the bypass pneumatic valve, etc., the pressure generated by the input of N2 into the liquid storage tank can be balanced, enabling the reflux electroplating solution to flow back to the liquid storage tank by gravity. Moreover, the maintenance of the N2 pressure in the liquid storage tank can maintain a zero or low oxygen environment.

The invention relates to the technical field of chemical equipment, and discloses a quick assembly device and a quick assembly method of a modular ammonia still tray and an ammonia still system. The quick assembly device comprises a tower body, a maintenance channel, a treatment cover and a push-out mechanism. A tower tray capable of horizontally moving is arranged in the tower body, a maintenance channel with a detachable cover is arranged on the side wall of the tower body, the treatment cover is fixed on the outer wall of the tower body and is communicated with the maintenance channel, and a treatment cavity is formed in the treatment cover; the push-out mechanism is located on the side, opposite to the maintenance channel, of the tower tray in the tower and comprises a pushing block and a driving piece. And when the opening cover is opened, the driving piece drives the material pushing block to push the tray into the processing chamber through the maintenance channel. According to the device, the tray is laterally moved out, so that non-entering type rapid maintenance is realized, the production interruption time is reduced, the safety risk that personnel enter a limited space for operation is avoided, and the maintenance labor intensity is reduced.

This utility model discloses a feeding blocking device for a blow molding machine feeder. The feeding blocking device is installed on the base of the feeder and includes a blocking base fixedly installed on the base. A blocking support is installed on the blocking base, and a blocking shaft is axially slidably installed on the blocking support. The blocking shaft is driven to extend and retract by a telescopic power device. The blocking shaft is inclined, and its free end is set as a pointed tip facing the outlet of the inclined preform slide to block the preforms at the outlet. This feeding blocking device has a simple structure and can actively block or release preforms in the slide, realizing preform feeding control.

The present application relates to the technical field of privacy computing, and specifically provides a distributed multi-party asynchronous isolated secure retrieval method and device, wherein a shared network is formed by a data retrieval initiator and a data owner using a front-end machine cluster node, retrieval business is completed based on a front-end machine TEE (Trusted Execution Environment) and a hidden query method; a permission control unit is configured on remote authentication permission control of the TEE, permission monitoring at an instruction level is realized, and through sensitive data desensitization, open data and ciphertext query data confusion, query initiator anonymization and query condition fuzzification, query intention request collection, it is ensured that the entire life cycle of data query and statistical operation is carried out in a trusted isolated environment, and the security and privacy protection of data are strengthened. Compared with the prior art, the present application effectively prevents malicious operation and illegal access, thereby ensuring the security and privacy protection of data.

The invention relates to the field of motor locks, and provides a motor lock which comprises a clamping hook assembly, a motor assembly and a rack assembly, the clamping hook assembly is rotatably arranged in the motor lock, and the rack assembly can be connected with the clamping hook assembly in a clamped mode; during unlocking, the motor assembly is powered on to drive the rack assembly to move in the direction close to the lock pin, locking of the rack assembly on the clamping hook assembly is relieved, the clamping hook assembly rotates in the unlocking direction, the clamping hook assembly and the lock pin are separated from each other, and unlocking is achieved. In the locking process, the motor assembly is powered on to drive the rack assembly to move in the direction away from the lock pin and drive the clamping hook assembly to rotate in the locking direction, so that the rack assembly is connected with the clamping hook assembly in a clamped mode, and the clamping hook assembly is locked to the state that the clamping hook assembly cannot rotate through the rack assembly; and meanwhile, the clamping hook assembly is clamped with the lock pin to realize locking. According to the motor lock, the clamping hook assembly, the motor assembly and the rack assembly are matched with one another, the unlocking thrust is enhanced, the working current is small, and the stability of the locking and unlocking process is improved.

The utility model relates to hydraulic technology field especially relates to a check device. A check device, the valve seat and the valve sleeve form first cavity, the side of valve sleeve away from valve seat forms second cavity, forms damping hole on the valve sleeve, and working oil port communicates with first cavity through damping hole, the valve core and valve seat form third cavity, and the valve core forms inside oil channel to make second cavity and third cavity keep communicating in, and the diameter of valve core and valve sleeve cooperation place is equal to the diameter of valve core and valve seat cooperation place, elastic member, act on the valve core, make the valve core abuts on the valve sleeve and forms seal, and the communication between first cavity and second cavity is blocked, and the valve sleeve abuts on the reversing valve body and forms seal, and the communication between working oil port and second cavity is blocked. The technical problem that the check device in the prior art cannot keep pressure balance, aggravates the wear and tear between push rod and thrust mechanism, leads to the increase of power, limits the use of maximum pressure of check device has been solved.

The utility model discloses a kind of adhesive tape precision cutting and winding integrated device, including bottom plate, the bottom plate upper end one side is fixedly arranged with side plate, the side plate upper end one side is movably arranged with guide cylinder by pivot, the side plate surface is provided with winding mechanism for winding adhesive tape in lower end, the winding mechanism includes sliding slot, sliding block, motor, winding shaft, winding cylinder, laser ranging device, the side plate surface one side is provided with sliding slot, the sliding slot inside is movably hinged and set with sliding block, the sliding block inside is fixedly set with motor, the sliding block surface is movably set with winding shaft by bearing, and the power output shaft end of motor and winding shaft are transmission connection between them.The utility model utilizes the mode of laser ranging, the diameter of winding device can be monitored in real time, so that the diameter of winding device can be accurately cut off after reaching predetermined length, so precise cutting effect can be achieved.