30results about How to "Easy assembly and maintenance" patented technology

This utility model relates to the field of building decoration materials technology, specifically to a crack-resistant splicing structure for lightweight partition boards. The crack-resistant splicing structure for lightweight partition boards provided by this utility model includes a first wall panel and a second wall panel. The upper end of the splicing end face of the first wall panel is provided with a protruding male tenon, and the upper end of the splicing end face of the second wall panel is provided with a grooved female tenon matching the male tenon. Simultaneously, the lower end of the splicing end face of the first wall panel is provided with the same female tenon as the second wall panel, and the lower end of the splicing end face of the second wall panel is provided with the same male tenon as the first wall panel. The front end of the male tenon is slidably connected to an insert tenon via a guide groove, and the lower inner side of the female tenon is provided with a positioning groove matching the shape of the insert tenon. An elastic crack-resistant layer is embedded on both sides of the male tenon, protruding 0.5-2mm from the surface of the male tenon. The female tenon is located above the positioning groove and has a limiting insertion hole matching the positioning groove, through which a positioning pin is inserted.

The utility model discloses a cup falling device. The utility model discloses the technical scheme: including the cabin that is used for placing cup and the base of cabin plug -in connection, the dial wheel includes low -lying sector blade and high -lying sector blade of different height, still is provided with reset dial rod subassembly, and dial rod is along dial rod groove sliding, and two dial wheels are driven along fixed axle center rotation respectively through sliding axle, and high -lying sector blade will the flanging of upper layer cup be lifted up along with the rotation of dial wheel, and low -lying sector blade is separated from the flanging of lower layer cup, and lower layer cup falls into the cup falling hole below, and when reset spring resets dial rod, two dial wheels are driven along fixed axle center reverse rotation respectively through sliding axle, and high -lying sector blade on dial wheel follows rotation and releases the upper layer paper cup, and low -lying sector blade drags the flanging of paper cup closely. The scheme provided by the utility model can take the cup smoothly on the basis that cup does not deform and the cup body is complete, and the cost is low.

The utility model relates to reaction equipment technical field discloses an organic matter sealed reaction device, including support, the support front side is provided with the reaction tank, the reaction tank outside fixedly connected with the outer sheath, the outer sheath fixedly connected in the support front side, two ports of the outer sheath outside are connected with outside temperature control circulating equipment through pipeline respectively, the motor is fixedly connected with the stirring paddle that the reaction tank top extends to the reaction tank and is fixedly connected, and the motor passes through the cable and is electrically connected with outside main control ware. After sampling is completed, the sealing block closes the liquid inlet hole, cooperates the inert gas that exhaust valve and trachea are passed in, can discharge the residual medium, can avoid raw material waste, at the same time, reduce the impurity that residual medium secondary reaction generates, guarantee next sampling analysis accurate, benefit accurate control reaction, and the fixing frame and fixed block are fixed in the sampling tube through screw, convenient assembly maintenance, can integrally promote device reliability and practicality.

The utility model discloses a kind of multi-grade adjustment rotary switches, including base, shell cover, rotating handle and contact assembly, rotating handle rotationally arranged between base and shell cover, and drive rod extending along its radial direction is provided;Contact assembly includes the multiple elastic structure's moving contact bridge of the shaft center of rotating handle as center annularly arranged in installation cavity, and multiple static contact pieces are arranged in base and respectively opposite multiple moving contact bridges, multiple moving contact bridges are connected and respectively located on the movement path of drive rod, drive rod respectively drives multiple moving contact bridges and multiple static contact pieces contact in rotating handle rotating process, by the mechanism of the wheel contact formed by drive rod and multiple moving contact bridges, operation pressure is significantly dispersed, avoid single moving contact bridge sustained stress, greatly reduce the mechanical load and fatigue degree of moving contact bridge, reduce the probability of heating, reduce wear and risk of fusion welding, extend mechanical service life.

The utility model discloses a loudspeaker diaphragm supporting structure, which comprises a sound basin, magnetic steel arranged at the bottom of the sound basin, a voice coil and a framework arranged in the cavity of the sound basin, a diaphragm sleeved on the framework, a bracket arranged on the sound basin and used for supporting the diaphragm, a gasket arranged above the diaphragm, and a compression ring arranged above the gasket. The pressing ring is connected with the sound cone through a plurality of bolts, a pressing sheet is arranged at the center above the vibrating diaphragm, the pressing sheet is in threaded connection with the framework, the vibrating diaphragm comprises a vibrating diaphragm main body, a connecting part matched with the framework is arranged below the vibrating diaphragm main body, and a first folding lug is arranged at the edge of the main body; according to the utility model, through multiple mechanical fixation of cooperation of the sound cone bracket and the first folding lug of the vibrating diaphragm, threaded connection of the pressing sheet and the skeleton, and fastening of the pressing ring and the bolt, the risk of easy degumming and sound leakage at part of the sealing edge during long-term use when the sealing edge of the vibrating diaphragm is bonded through a gasket to realize supporting traditionally is avoided, the stability of the vibrating diaphragm and the high efficiency of sound wave conduction are ensured, and the service life of the vibrating diaphragm is prolonged. And the tone quality performance and the service life under high volume are obviously improved.

This utility model relates to the field of mechanical power transmission and control technology, and in particular to a manually switchable power device, including a drive housing device. The drive housing device is characterized by: a transmission rod extending in a left-right direction with a left linkage housing and a right drive housing respectively passing through its two ends; the right drive housing including a right mounting bracket; the right mounting bracket including a motor mounting plate; a geared motor mounted on the motor mounting plate; a motor shaft connected to one end of the geared motor; a right bearing seat connected to one end of the motor shaft; and the other end of the right bearing seat connected to the transmission rod. A handwheel is provided on the transmission rod near the right bearing seat, and a shift fork is provided on one side of the sliding coupling. This utility model's manually switchable power device uses the transmission rod as its core, achieves efficient electric drive through a stable drive housing layout, provides manual backup through the handwheel, and allows for flexible switching modes via the sliding coupling and shift fork, making operation simple.

The application discloses a turnover blowing needle device of a three-dimensional blow molding machine, which comprises a supporting seat, a turnover mechanism and a blowing needle mechanism, the turnover mechanism comprises a turnover seat and a turnover cylinder, the turnover seat is rotatably installed on the supporting seat around a center line extending in the left-right direction, and the turnover cylinder is in transmission connection with the turnover seat to drive the turnover seat to turn around the center line; the blowing needle mechanism comprises a blowing needle for blowing air outward, a pushing assembly and a clamping assembly installed on the turnover seat, the blowing needle has an axis line perpendicular to the center line, the pushing assembly is used for driving the blowing needle to move back and forth along the axis line of the blowing needle relative to the turnover seat, and the clamping assembly comprises a pair of clamping arms oppositely arranged on the left and right sides and configured to be capable of moving towards or away from the turnover seat; the application integrates edge sealing, turnover and air blowing in the same device, improves space utilization, strengthens the linkage between various processes, the device has a simple structure, is convenient to assemble and maintain, shortens the production time of finished products and accelerates the production efficiency.

The utility model discloses a 4G communication outdoor standby power lithium battery which is used for providing power support for outdoor communication equipment, the whole lithium battery comprises a box body, a lithium battery module and a BHC module, the box body comprises a heat dissipation front cover, a cylinder body and a rear cover, the lithium battery module is arranged in the cylinder body, and the BHC module is fixed on the heat dissipation front cover through a connecting piece; the lithium battery module realizes charging and discharging management, temperature monitoring and safety protection through the BHC module; a 4G module is arranged on the heat dissipation front cover and used for supporting remote monitoring and remote upgrading, and a user can check information such as the battery state, the electric quantity and the temperature in real time through a mobile terminal and receive an abnormal alarm. The system has the characteristics of compact structure, convenience in installation, remote intelligent management and the like, is suitable for outdoor scenes such as communication base stations and monitoring equipment, and effectively improves the reliability and maintenance efficiency of equipment power supply.

This utility model discloses an extended inner sleeve for connecting the inner shaft of a printing press, belonging to the field of printing machinery equipment. The technical solution adopted by this utility model is an extended inner sleeve for connecting the inner shaft of a printing press, including a shaft support and a transmission shaft rotatably connected to the shaft support. An installation seam is provided between the shaft support and the outer wall of the transmission shaft to prevent contact and friction between the outer wall of the transmission shaft and the shaft support. A guide sliding support assembly is provided within the installation seam to support the transmission shaft while reducing frictional resistance during its rotation. This utility model isolates the shaft support from direct contact with the transmission shaft through the installation seam and reduces frictional resistance using the guide sliding support assembly, effectively solving the problems of wear, vibration, and high maintenance costs caused by friction in traditional structures. It has the advantages of reducing frictional resistance, reducing component wear, extending service life, reducing maintenance costs, and improving transmission stability.

The utility model relates to the field of electrical elements, and particularly discloses a wiring structure and a switch. The wiring structure and the switch comprise a base, a circuit board installed in the base, a conducting strip installed on the circuit board and a wiring terminal connected with the conducting strip, the conducting strip comprises a plug-in end and a connecting part, the plug-in end is fixedly connected with the lower end of the connecting part, and one end, away from the plug-in end, of the connecting part is fixedly connected with two pins. The circuit board is provided with positioning holes for insertion of the pins. The wiring terminal comprises a wiring cylinder and a fastener, the inner wall of the wiring cylinder is connected with the outer wall of the plugging end, the fastener is in threaded connection with the inner wall of one side of the wiring cylinder, and the fastener is used for fixing an electric wire. Precise connection between the conducting strip and the circuit board can be achieved, the structure installation efficiency is improved, the insertion depth and the contact area of the wire can be increased through the connecting cylinder and the insertion end, and the situations of loosening and poor electrical contact can be effectively prevented.

The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment convenient to assemble and maintain, the sewage treatment equipment comprises a settling tank, a sludge collecting hopper and an integrated assembly, the settling tank is provided with a settling cavity, the sludge collecting hopper is arranged at the lower part of the settling cavity, and the sludge collecting hopper is provided with a sludge collecting groove; the integrated assembly comprises a skimming pipe group, a sludge return pipe group, a sludge discharge pipe group and a mounting frame; the skimming pipe group, the sludge return pipe group and the sludge discharge pipe group are all connected to the mounting frame; the integrated assembly can be placed into the precipitation cavity, so that the lower end of the mounting frame abuts against the upper end of the sludge collecting hopper, the integrated assembly is used for pressing and fixing the sludge collecting hopper, and after the lower end of the mounting frame abuts against the upper end of the sludge collecting hopper, the sludge inlet end of the sludge return pipe group and the sludge inlet end of the sludge discharge pipe group are inserted into the sludge collecting tank; according to the sewage treatment equipment convenient to assemble and maintain, a skimming pipe group, a sludge return pipe group, a sludge discharge pipe group and a sludge collection hopper do not need to be connected to the cavity wall of the precipitation cavity, and assembly and subsequent maintenance of the sewage treatment equipment are facilitated.

The invention belongs to the technical field of clothes drying devices, and particularly relates to a folding electric heating clothes drying rack which comprises a first fixing pipe, a second fixing pipe, a heating pipe, a support pipe and a connecting piece, fixing pieces are arranged on the first fixing pipe and the second fixing pipe, and the first fixing pipe, the second fixing pipe and the connecting piece are fixedly connected through the fixing pieces. The two ends of the heating pipe are detachably connected with the connecting pieces, the heating pipe can dissipate heat and provide heat for clothes, the second fixing pipe can be lifted upwards, the first fixing pipe, the second fixing pipe and the connecting pieces are tightly attached, and folding is completed. Through the structure of the detachable heating pipe and the fixing pipe, the folding electric heating clothes drying rack which is convenient and stable to fold, convenient to assemble and maintain and capable of stably unfolding the rear structure without a lock catch is provided, and the problems that supporting is not stable, and a heating assembly is difficult to maintain when breaking down are solved.

The utility model discloses a water cutting bag line tail waste collecting device, aims at providing improve the water cutting bag line tail waste collecting device of collection efficacy and efficiency. It includes collecting box, and the one end of collecting box is rotatively connected with the feed baffle, and the other end of collecting box is connected with the fan, and the fan is covered with the filter screen, and the coarse waste collecting box is connected with the collecting box, and the fine waste collecting box is connected with the collecting box, and the support frame is connected with the collecting box, and the material moving assembly is movably connected with the collecting box, and the material moving assembly is movably connected with the coarse waste collecting box, and the brush assembly is movably connected with the collecting box, and the brush assembly is movably connected with the fine waste collecting box. The utility model has the beneficial effects of: improving the collection efficacy and efficiency of water cutting bag line tail waste, facilitating assembly maintenance, improving waste collection convenience, improving structural regulation convenience and operation stability, and operating easily.

The invention discloses a layer type waste gas collecting and purifying device, and relates to the technical field of waste gas collecting and purifying, the layer type waste gas collecting and purifying device comprises a base and a waste gas collecting mechanism, the waste gas collecting mechanism is arranged on the outer side of the base, the waste gas collecting mechanism comprises a layer furnace, a shifting plate, a communicating hole, a condensing header pipe and a nitrogen header pipe, the shifting plate is arranged on the inner side of the layer furnace, and the communicating hole is communicated with the condensing header pipe. Condensed liquid impurities converge into a waste liquid box by means of gravity, the maintenance frequency of a filter screen is reduced, the continuous operation duration is prolonged, the purification efficiency is improved, and the multi-layer furnace is adaptive to the mass production working condition by adopting global synchronous transmission, dead-corner-free gas collection of upper and lower stirring plates and independent pressure regulation of the multi-layer furnace. The transmission life is prolonged through two-stage filtration and chain groove protection, assembly and maintenance are facilitated through an integrated connecting plate, oxygen supply and gas collection are integrated through structure synchronization, equipment is simplified, and cost is reduced.

The utility model belongs to the technical field of energy storage equipment, disclose a kind of energy storage cabinet and energy storage equipment, and energy storage cabinet includes main frame, sealing plate and cabinet door, sealing plate is equipped with multiple, and sealing plate is detachably set on main frame;Installation cavity is formed between cabinet door and multiple sealing plates, and cabinet door is used to open or close installation cavity.The energy storage cabinet provided by the utility model is convenient for the installation of integrated module and the assembly of energy storage cabinet, when assembling the energy storage cabinet, integrated module can be installed on the main frame first, then install the sealing plate and the cabinet door;Or, part of the sealing plate is assembled on the frame first, then integrated module is installed on the main frame, and finally install the cabinet door and the rest of the sealing plate.

The livestock breeding draught fan convenient to maintain comprises a draught fan lower shell, a draught fan upper shell is arranged at the upper end of the draught fan lower shell, a buckle structure is arranged between the draught fan lower shell and the draught fan upper shell, and first positioning grooves are formed in the front sides of the inner surfaces of the draught fan lower shell and the draught fan upper shell correspondingly; a second positioning groove is formed in the rear side of the first positioning groove, a metal filter screen is arranged in the first positioning groove, and an electrostatic filter cotton net is arranged in the second positioning groove. By arranging a buckle structure, rapid installation between the fan lower shell and the fan upper shell is achieved, and later disassembly and maintenance are facilitated; a first positioning groove, a second positioning groove and a third positioning groove are formed, drawer type design is adopted, rapid installation of internal parts of the livestock breeding draught fan is achieved, and the maintenance and cleaning speed is increased; the metal filter screen and the electrostatic filter cotton screen are arranged to form a two-stage filter structure, single-hand drawing replacement is supported, and dust accumulation in the fan is reduced.

The utility model relates to the technical field of hydraulic accessories, and discloses a locking-direction-adjustable hydraulic air filter with a lock, which comprises a mounting flange fixedly connected with a hydraulic oil tank interface through a plurality of connecting bolts arranged circumferentially, and the bottom end of the mounting flange is connected with an oiling filter cartridge; the lower spring bolt piece is connected between any connecting bolt and the flange face of the installation flange in a pressed mode. The air filter head is rotationally connected to the top of the mounting flange; the upper spring bolt piece is rotationally connected to the air filter head, and the upper spring bolt piece and the lower spring bolt piece are connected in a locked mode through a lock. The lower spring bolt piece can be fixed by selecting any one connecting bolt, and the upper spring bolt piece can be independently rotated and adjusted relative to the air filter head, so that the locking direction is not limited by the end position of thread screwing or the fixing direction of the mounting flange any more. A user can flexibly select the optimal locking angle according to the requirements of peripheral space layout, operation habits and the like of the oil tank, and the problems that an existing product is single in locking direction and limited in installation are solved.

This application relates to a solar thermal tube collector. The collector includes a frame, with an installation box fixedly mounted on the top of the frame. Multiple heating mechanisms are installed through one side of the installation box. Each heating mechanism includes a vacuum tube that passes through and is detachably connected to the installation box. The bottom of the vacuum tube is sealed, and a sealing head is detachably mounted on the top of the vacuum tube. A heat pipe component is detachably mounted through the sealing head, and the heat pipe component includes an evaporation section and a condensation section. This collector reduces contact thermal resistance through the bidirectional thermal deformation of the heat exchange box and the elastic spiral conductive plate. The spiral structure increases the heat dissipation area and enhances the heat exchange effect. Descaling is achieved by pressing the pressure ring to drive the elastic spiral conductive plate, eliminating the need to disassemble parts and simplifying operation. Heat is efficiently concentrated and transferred to the evaporation section through the semi-circular and arc-shaped portions of the heat-conducting plate, improving heat absorption efficiency. The overall structure is compact and easy to assemble and maintain.

The utility model discloses a cat teasing stick clamping device belongs to pet toy accessory technical field. Include: suspension base body, the detachable connection with suspension base body, and the mounting cavity that connection support has set up along the axial direction, and the barrel wall of connection support is equipped with the gap and forms the clamping window, elastic clamping subassembly contains: sliding clamping core, can axially mobile place in the mounting cavity, and the lateral wall of sliding clamping core is equipped with the clamping groove that recesses inwards, spring, and two ends respectively act on sliding clamping core and connection support, wherein, the clamping groove and the clamping window meet after forming the mouthful of cat teasing stick for clamping, and spring drive sliding clamping core moves along connection support axial, and make the mouthful self -adaptation contract clamping, by this, realize to the cat teasing stick of different thickness, material quality can all stable clamping, and the adaptability and versatility of clamping device have been improved significantly.

The utility model discloses a kind of sound control linkage decorative belt rotation sound device, it is related to sound equipment and mechatronic technical field, the device is combined with audio playback and dynamic visual feedback by innovative structural design, realize the collaborative presentation of sound, light, electricity, its core is in that adopting belt drive structure, by audio signal real-time drive decorative component and carry out mechanical movement, make music rhythm visualization, improve user immersion feeling;Sound system adopts full-frequency loudspeaker and bass loudspeaker combination, and is equipped with special diaphragm, and optimization acoustics performance;Intelligent control system integrates microphone and android mainboard, for collecting and analyzing audio signal, and android mainboard control motor drives belt and decorative piece synchronous movement;The device has high-quality audio output, dynamic decoration effect and interactive experience, applicable to a variety of use scenarios, satisfy modern user to the diversification demand of science and technology aesthetics product.

The invention provides a polish rod sealer sealing slip piston sealing device and method.The sealing device comprises a sealer shell, the sealer shell perpendicularly penetrates through a polish rod, sealing slip pistons are symmetrically arranged in the sealer shell along the polish rod, each sealing slip piston comprises a piston and a sealing slip, one end of each piston is fixedly connected with the corresponding sealing slip, and the other end of each piston is fixedly connected with the corresponding sealing slip. An eccentric hole is formed in the other end face of the piston, a metal shaft is eccentrically hung in the eccentric hole, and a piston guide mechanism is arranged between the piston and the sealing slip. The metal shaft and the sealing slip piston are in eccentric positioning connection, so that the sealing slip piston is prevented from rotating along with rotation of the metal shaft. The guide conical column and the guide groove are adopted, the copper pressing pieces are arranged on the upper face and the lower face of the sealing slip and connected through the fixing screw rod, after the sealing face and a polished rod are matched for sealing and abraded, the copper pressing pieces can be driven by the fixing screw rod to retreat along the guide groove through pressure, and therefore the compensation amount is large, and in the pushing process of a piston of the sealing slip, stress expansion is even, and the sealing effect is better.

The application relates to the technical field of plasma detection, in particular to a double-channel ion energy probe based on a magnetic deflection effect. The application provides a double-channel ion energy probe based on a magnetic deflection effect, which comprises an upper permanent magnet plate, a lower permanent magnet plate, a double-channel collimator and a double-channel probe; the double-channel collimator penetrates into a shell; the double-channel collimator comprises a scanning channel and a reference channel; the scanning channel and the reference channel are connected with different values of voltage; the double-channel collimator is used for enabling ions to enter the shell along the channel direction; the upper permanent magnet plate and the lower permanent magnet plate are fixed at the upper and lower ends of the shell respectively so as to form a uniform magnetic field; the double-channel probe is arranged in the shell and comprises a scanning collection probe and a reference collection probe which are respectively coplanar with the scanning channel and the reference channel; and the scanning collection probe and the reference collection probe are respectively connected with different values of voltage. The scheme can provide an ion current probe with high signal-to-noise ratio.

The utility model discloses an engineering machinery cooling module that is convenient to assemble and overhaul, which comprises a frame, a frame vertical bottom plate outer periphery side edge position integral bending has to the rear side extension's frame board, and the vertical bottom plate and the frame board that is located at the outer periphery side edge position enclose and form the cavity that the opening is towards the rear side, hydraulic oil cooler, water tank radiator, intercooler three wall -hanging type fixed in the rear end port position of frame, fan front end embeds and fixes in the fan mounting hole inside that is set up on the vertical bottom plate, and the fan rear end extends to the cavity inside, and the air outlet of fan is towards the front side. The frame is designed as a half-enclosed integral sheet metal structural member, which effectively reduces the total amount of raw materials and cost of the frame, does not substantially increase the total weight of the engineering machinery cooling module product, and is convenient to transport and install; the heat dissipation cooling element is wall-hungly fixed at the rear end port position of the frame, which is convenient to install and disassemble, and helps to substantially reduce the maintenance and overhaul time of the engineering machinery cooling module.

This utility model relates to the field of motor technology, and more particularly to a novel ZR motor and its power pneumatic circuit assembly. The power pneumatic circuit assembly of this utility model features a direct connection design between the air pipe, air connector, and central air circuit connecting block, eliminating redundant pipe interfaces and reducing the risk of gas leakage. The hollow internal structure of the air circuit connecting block shortens the airflow path and reduces pressure loss. Simultaneously, its fixed arrangement to the front end of the upper support block integrates the pneumatic circuit and the power output assembly into a single module, simplifying the assembly process and facilitating disassembly and maintenance. This design significantly improves the air circuit's sealing performance and gas transmission efficiency, while reducing the failure rate caused by the complex pneumatic circuit structure.

The invention discloses a packaging bag stacking robot and a stacking method, and relates to the technical field of carrying equipment. The robot comprises a mechanical arm, a rotating motor and a gripper component. The gripper component is provided with a stacking base plate, a lifting mechanism capable of being adjusted at equal intervals, a pushing mechanism capable of horizontally pushing, a negative pressure dust suction mechanism and a linkage cleaning mechanism. A polished surface is arranged on the surface of the lifting rod, and self-adaptive distance adjustment is achieved through the lifting push rod and the inclined groove frame to adapt to packaging bags of different sizes; a horizontal transverse pushing mode is adopted for discharging, and packaging bags are prevented from falling and being damaged; the dust suction mechanism adsorbs dust in real time and filters and discharges the dust, and the cleaning ring and the staggered scraping strip synchronously remove dust and prevent blockage. Stable and impact-free discharging is achieved, packaging bags are effectively protected, dust pollution is reduced, the equipment universality is high, the structure is reasonable, operation is stable, and the packaging bag stacking operation quality and the environment friendliness can be remarkably improved.

The utility model discloses a four-axis robot which comprises an equipment main body composed of a cabinet main body and a four-axis assembly, the cabinet main body comprises an outer frame and a first casting arranged at the bottom of the outer frame and extending upwards, the first casting is connected with a second casting above through a sliding block, and the four-axis assembly comprises a lifting motor arranged on one side of the first casting. The top of the lifting motor is connected with a rotating disc arranged on the second casting, the rotating disc is connected with a first X shaft which rotates and telescopically operates in the X-axis direction, the upper portion of the first X shaft is connected with a second X shaft which telescopically operates in the X-axis direction through a sliding base, and a vacuum generator is arranged on one side of the second X shaft. And a vacuum material head communicated with a vacuum generator is arranged below the end part of the shaft body. The multi-shaft mechanical arm solves the problems that a multi-shaft mechanical arm in the prior art is large in noise and unstable in operation, does not have a vacuum structure and occupies a large space.

The application discloses an air isolation opposite double PCB power supply structure, which splits power supply circuits into two parallel and opposite independent printed circuit boards according to function modules and strong and weak electric properties, forms an open pure air isolation gap between the boards, and realizes mechanical fixing and electrical interconnection across the gap through an insulating coated conductive support piece. The application completely separates strong and weak electric circuits from the physical layer, eliminates the substrate parasitic coupling interference of traditional multi-layer PCBs by using the low dielectric property of air, and simultaneously considers compactness and rationality of wiring, thereby significantly improving the power supply electromagnetic compatibility and operation stability, and being suitable for high-end customized purification power supply fields. The structure can be matched with a single-point RC coupling suspended star-shaped grounding to realize double-layer noise reduction of the whole machine.

The utility model discloses an automatic material leading adhesive tape stripping device for absorbent article production belongs to absorbent article production equipment field, including feed transposition mechanism, main machine production line, automatic material leading adhesive tape stripping clamp and mechanical arm, and feed transposition mechanism is equipped with horizontal conveying unit, at least three trays, and horizontal conveying unit sets up at least three material work stations correspondingly, realizes the continuous feeding of the material to be pulled, and the main machine production line contains main machine loading area, adhesive tape stripping area and negative pressure suction plate, and the negative pressure suction plate is used for adsorbing fixed material after pulling, and automatic material leading adhesive tape stripping clamp integrated material taking subassembly, feeding assembly, material leading subassembly and adhesive tape stripping subassembly realize the material's snatch, transfer, traction and adhesive tape stripping respectively, and the mechanical arm is connected with clamp, drives the clamp to move between feed transposition mechanism and main machine production line. The utility model can realize uninterrupted feeding, full -process automation, improve equipment utilization and production efficiency, guarantee semi -finished product and the production quality of final product.

The utility model provides a linkage structure of a pedal water pump, and belongs to the technical field of water pumps. The linkage structure solves the technical problem that a linkage structure of an existing pedal water pump is insufficient in maintenance convenience. The pedal water pump comprises a base and two cylinder bodies arranged on the base, openings of the two cylinder bodies face upwards, pistons capable of moving up and down are arranged in the cylinder bodies, piston rods of the pistons face upwards and extend out of the cylinder bodies, a frame body is further fixed to the base, the linkage structure comprises a flexible pull rope and a rocker arm rotationally connected to the frame body, and the rocker arm is located between the two piston rods. The lower ends of the pull ropes are connected with the piston rods, the upper side faces of the two ends of the rocker arm are provided with positioning grooves formed by downward sinking, the inner walls of the positioning grooves are further provided with notches extending to the edges of the upper side faces of the rocker arm, and the upper ends of the pull ropes are located in the notches and fixedly connected with upper check blocks. The upper check block is located in the positioning groove and abuts against the bottom face of the positioning groove in a limiting mode. The pedal water pump is more convenient to assemble and maintain.