104results about How to "Easy to install and replace" patented technology

The invention provides a precoated sand coating production screening machine, belongs to the technical field of precoated sand production, and solves the technical problems that an existing screening machine is tedious in screen replacement, high in energy consumption, poor in screening effect and the like. Comprising a rack, an up-down vibration mechanism, a screen mechanism and a screen box mechanism, the screen box mechanism is hinged to the lower portion of the inner side of the rack, a transmission mechanism, a first driving motor and a high-pressure fan are arranged on the upper end face of the rack, an eccentric vibration mechanism is arranged on the side portion of the rack, and a plurality of reset springs are arranged between the left side and the right side of the screen box mechanism and the rack; a turning plate mechanism is arranged on the rear side of the screen box mechanism, a plurality of blower guns are arranged on the inner top of the screen box mechanism, a scattering roller is arranged on the rear side of the interior of the screen box mechanism, and a plurality of scraper mechanisms are arranged on the screen mechanism. The vibrating screen can vibrate up and down, is low in energy consumption, good in vibration effect and capable of vibrating left and right, enables raw materials to be dispersed, is high in screening efficiency, long in screening path, stable in screening quality, convenient to install and capable of being automatically cleaned, and ensures that the working environment is clean.

The atomized gas recovery device comprises a shell and a filter membrane in the shell, the shell comprises a rear shell and a front shell, and the atomized gas recovery device is characterized in that the front shell comprises a front shell cover and a suction component, a front shell positioning opening is formed in the front shell cover, a gas outlet and a rear shell mounting positioning opening are formed in the rear shell, the filter membrane is an annular piece, and the suction component is arranged in the annular piece. And the suction component penetrates through the front shell positioning opening, the filtering membrane and the rear shell mounting positioning opening. An expiration port and an expiration one-way valve are arranged in the middle of a tube body of the inhalation component, a mist inlet located in the shell and at one end of the tube body of the inhalation component is used for being connected with a mist outlet of an atomization device, and the portion, between the expiration port and the mist inlet, of the inhalation component is sleeved with the filter membrane, so that expired gas pushes away the expiration one-way valve after coming out of the expiration port, and the atomization device is used for atomization. And after being filtered by the filter membrane, the air overflows from the air outlet on the rear shell. A mist outlet of the atomization device is connected with a mist inlet of the suction component. And the structure design is reasonable, simple and compact, the aerosol transmission efficiency is high, recovery of exhaled gas is facilitated, and operation and use are convenient.

This invention relates to the field of valve technology, specifically disclosing an intelligent gas flow regulating valve that integrates leaked gas collection and monitoring. The valve body includes a valve shell and a valve core. A valve stem is located at the upper end of the valve core, and a support cylinder is located at the top of the valve shell. The valve stem has a cavity inside, and a magnetic rack is movably mounted on the side wall of the valve stem. A motor is located on the outer wall of the support cylinder, and the output end of the motor is connected to a gear meshing with the magnetic rack. A magnetic plate with the same polarity as the magnetic rack is movably mounted inside the cavity. The cavity also has a telescopic chamber, and a pressure sensor is located on the side wall of the telescopic chamber. Increasing the volume of the telescopic chamber controls the magnetic plate to move away from the magnetic rack, causing the magnetic rack to disengage from the drive gear. Consequently, the valve core falls, blocking the gas path between the inlet and outlet. This invention can not only monitor gas leaks in pipelines but also collect leaked gas and use it to block the gas supply to the household gas pipeline, preventing leaked gas from escaping into the surrounding environment and causing fire safety accidents.

The utility model discloses a PLC control cabinet for sewage treatment, and relates to the technical field of control cabinets. The device comprises a cabinet body, the upper side of the inner wall of the cabinet body is fixedly connected with a fan, the output end of the fan is fixedly connected with an output pipe frame, the two output ends of the output pipe frame are both fixedly connected with treatment tanks, the bottom surfaces of the two treatment tanks are both fixedly connected with output pipes, and the output pipes are fixedly connected with the output ends of the output pipe frame. The surfaces of the two output ends of the output pipe frame are fixedly connected with first electromagnetic valves and air inlet pipes in sequence from top to bottom, the surfaces of the two air inlet pipes are fixedly connected with second electromagnetic valves, the surfaces of the two output pipes are fixedly connected with exhaust pipes, and the surfaces of the two exhaust pipes are fixedly connected with third electromagnetic valves. When in use, the electric cabinet has good ventilation and heat dissipation performance, can prevent electrical elements in the electric cabinet from being damaged by water molecules and ozone, improves the use quality of equipment, and is beneficial to use.

The utility model relates to the technical field of plastic packaging bags, and discloses a pattern printing device for plastic packaging bag production, which comprises a bottom column, and a base is fixedly mounted at the top of the bottom column; the traction assembly is fixedly mounted at the top of the base; wherein the traction assembly comprises a traction part and a winding part; the printing assembly is fixedly mounted at the top of the base; wherein the printing assembly comprises a printing part and a drying part. Through the arrangement of the drying part, the printed plastic packaging bag is in contact with the top of the conveying roller in the moving process, meanwhile, the fan and the heating pipe are started, the fan blows air heated by the heating pipe to the surface of the plastic packaging bag, the printed part on the surface of the plastic packaging bag is rapidly dried, the situation that the printed part is rolled before being dried is avoided, and the production efficiency is improved. And therefore, the effect of completely drying the printing part of the plastic packaging bag before winding is achieved.

The utility model relates to the technical field of plate processing equipment, in particular to a plate processing water spraying mechanism which comprises a fixing rod and a spraying mechanism, and the fixing rod is fixed on the outer side of an angle grinder body. According to the water spraying device, the spraying mechanism is arranged on the outer side of the fixed rod, the fixed rod is conveniently connected with an external water pipe in a screwed mode through a pipe connector, a control valve is opened, a plurality of first spray heads spray water, then the position of a movable shell is adjusted, and a plurality of second spray heads moved out of the interior of a water storage shell are used for spraying water; the spraying area of the spraying mechanism can be adjusted according to needs, sprayed water is used for cooling and dust falling of the angle grinder body on the grinding position of a plate, the situation that normal work of the angle grinder body is affected by much dust, high temperature and the like is avoided, and then two fixing bolts are screwed off, so that the spraying mechanism is convenient to disassemble, and the working efficiency is improved. And the spraying mechanism is convenient to replace and mount, so that the practicability of the plate processing water spraying mechanism is improved.

The invention relates to the technical field of elastic bushings, in particular to a magneto-rheological elastomer bushing for an automobile suspension and a vehicle suspension system. The magneto-rheological elastomer bushing comprises an inner sleeve and an outer sleeve which are coaxially arranged; the magnetorheological elastomer layer is filled between the inner sleeve and the outer sleeve, and the magnetorheological elastomer layer serves as a main bearing and rigidity adjusting component; the magnet exciting coil is arranged on the inner sleeve or the outer sleeve, and the magnet exciting coil applies a magnetic field to the magnetorheological elastomer layer to adjust the radial rigidity of the magnetorheological elastomer layer; the magneto-rheological elastomer composite material further comprises at least one magnetic conductive reinforcing piece which is arranged in the magneto-rheological elastomer layer in the radial direction, and the magneto-rheological elastomer layer is divided into at least two sub-layers in the radial direction by the magnetic conductive reinforcing piece. The rigidity of the vehicle can be instantly improved to enhance the control stability when high supporting performance is needed, the rigidity can be instantly reduced to optimize the riding comfort when high vibration filtering performance (such as a bumpy road surface) is needed, and dynamic intelligent balance between the two is achieved.

The utility model relates to the technical field of house building, in particular to a combined house building heat preservation wallboard which comprises a first wallboard body, an assembling piece is installed on the top of the first wallboard body, a connecting assembly is installed on the top of the assembling piece, and a corner base and a second wallboard body are installed on the top of the assembling piece through the connecting assembly. When the heat preservation wallboard is installed, the inserting rod on the assembling piece on the top of the first wallboard is inserted into the through hole in the bottom of the corner base, the protruding block on one side of the second wallboard is clamped into the groove of the corner base, and the inserting rod is inserted into a deeper position till the inserting rod is inserted into the inserting hole in the protruding block and the tail end of the inserting rod enters the through hole in the top wall of the groove. In this way, the first wall plate, the corner base and the second wall plate can be combined and installed, finally, a reinforcing bolt at the bottom of an assembling piece is rotated, the reinforcing bolt is rotationally inserted into a threaded inserting groove, and the first wall plate and the corner base are connected more stably; therefore, the whole thermal insulation wallboard can be conveniently assembled and disassembled.

The utility model relates to the technical field of bending chuck especially to adapt to various wire diameter's bending chuck, including the installation frame, the inside fixed bearing of symmetrical setting is installed to the installation frame, the inside fixed connection of the first clamping strip of symmetrical setting is established in the fixed bearing inner race, the first clamping strip outside is equipped with the connecting pin of inserting in the inside fixed bearing inner race, in the utility model, through setting first clamping strip, connecting pin, handle, clamping slot, chuck body, bending groove, second clamping strip and positioning assembly, when needing to the metal wire of different wire diameter to carry out the bending, the bolt is screwed out and will install the hole plate to take down, the fixed frame is pulled up and uses the front mounting hole plate to fix it, pulls handle and will take down chuck body, can replace the chuck body of different bending groove to adapt to the metal wire of different wire diameter, this design makes the installation replacement of chuck body convenient, improves work efficiency.

The utility model provides a bolt production cleaning device capable of rapidly drying, and particularly relates to the technical field of bolt production, the bolt production cleaning device capable of rapidly drying comprises a cleaning barrel, when the bolt production cleaning device capable of rapidly drying is used, a produced bolt is placed in a placing screen frame, and then a mounting rod on the placing screen frame is placed on the cleaning barrel. The bolts are cleaned by injecting water into the cleaning barrel and driving the supporting plate on the rotating shaft to rotate through the motor, after cleaning is completed, a drainage valve is opened, sewage is discharged, after sewage is discharged, a fan is started, the fan blows air into an air outlet frame, and the air is heated through an electric heating wire, so that the bolts are cleaned. And the air is blown to the cleaning barrel through the air outlet frame, the bolts in the placing screen frame are dried, air is discharged through the drainage valve, dust can be prevented from entering through the filter screen, and the filter screen is convenient to install, replace or subsequently clean.

The utility model discloses a low temperature bidirectional sealing valve seat and ball valve, it includes valve seat main part and the sealing assembly of setting on valve seat main part, the outer periphery of valve seat main part is provided with annular embedding groove, the sealing assembly includes the seal ring seat of detachable setting in embedding groove and the lip type seal ring of setting in the both sides of seal ring seat, the utility model bidirectional sealing structure uses two single ring spring seal ring combination, and two lip type seal rings bear one direction medium pressure respectively, and the split type metal split ring and the baffle ring can support in any direction, and there is no lip type seal ring bearing reverse pressure condition, so it will not be damaged, and the elasticity is big, and easy installation changes, ensure that the low temperature bidirectional sealing valve seat of this new type can provide reliable bidirectional sealing property when being convenient for installation, also reduced manufacturing and maintenance cost.

The utility model discloses glass fiber drawing equipment, which relates to the technical field of glass fiber drawing, and comprises a fixed frame and a drawing roller, both sides of the drawing roller are provided with cross shafts, the surfaces of the two cross shafts are provided with hexagonal columns, the top of the fixed frame is symmetrically provided with two support rods, and the two support rods are connected with the cross shafts. The fixing frame is provided with an adjusting mechanism used for adjusting the position distance, the top of the fixing frame is provided with a rotating mechanism used for driving the wire drawing roller to rotate, the rotating mechanism is arranged on the adjusting mechanism, and the hexagonal column is arranged on the rotating mechanism. The adjusting mechanism comprises a two-way screw, the two-way screw is rotationally installed in the fixing frame, and two adjusting plates are installed on the outer wall of the two-way screw in a threaded mode, so that the wire drawing roller is convenient to install and replace, the wire drawing roller is stable in installation, deviation and shaking caused by rotation are avoided, operation is easy, and practicability is high.

The invention discloses a computer case with a heat dissipation function, comprising a case shell and a rubber gasket fixedly connected to the bottom of the case shell around four sides, wherein a fixing plate is symmetrically fixed to one side of the case shell, and further comprising: a slide plate symmetrically connected to one side of the case shell close to the fixing plate, a baffle plate hinged on one side of the slide plate, heat dissipation holes are arranged on both sides of the case shell, and a plurality of heat dissipation holes are evenly arranged; a connecting channel symmetrically fixed to both sides of the inside of the case shell, and the connecting channel is located at the position of the heat dissipation holes; a cleaning mechanism symmetrically arranged on both sides of the inside of the case shell; and a disassembly mechanism arranged on one side of the outside of the case shell, thereby solving the problem that the airflow generated by the rotation of the fan will still cause dust to gather to the inside of the case when only the heat is dissipated by a fan, thereby increasing the dust inside the case, and more dust will cause the temperature inside the case to rise, thereby affecting the heat dissipation effect of the case, and even causing a short circuit or erroneous operation.

The utility model discloses a ship fender capable of reducing impact force, which comprises a mounting plate, a box body arranged on the mounting plate, a sliding frame arranged in the box body in a sliding manner, a connecting plate arranged on the sliding frame, a plurality of first springs arranged between the connecting plate and the mounting plate, and a plurality of inserting blocks arranged on the connecting plate, according to the D-shaped fender, due to the rotatability of the rotating rod, when one end of the rotating rod is located in the notch, the rotating rod and the sliding rod are coaxial, so that the D-shaped fender can be smoothly placed on the inserting blocks, the rotating rod is pulled through the elastic force of the second spring to enable the sliding rod and the sliding piece to stretch out towards the top ends of the inserting blocks, and the D-shaped fender can be placed on the inserting blocks. Through rotation of the rotating rod, the rotating rod horizontally limits the bottom end of the D-shaped fender, connection between the D-shaped fender and the connecting plate is guaranteed through resilience force generated after compression of the second spring, and compared with the prior art, the D-shaped fender is convenient to install and replace, meanwhile, disassembly of the whole device is avoided, and loss is reduced.

The utility model relates to the technical field of distribution boxes, and discloses a multi-partition high-low voltage distribution box convenient to adjust, which comprises a box body and partition plates, the partition plates are arranged in the box body, an adjusting mechanism is arranged in the box body, and the adjusting mechanism comprises a fixing frame and an adjusting frame. A user pulls up the pulling head, the guide column can be driven to enable the inclined block to move upwards, the inclined block is separated from the interior of the positioning hole, at the moment, a worker can pull out the partition plate from one fixing frame and then insert the partition plate into the other fixing frame, the inclined block can move upwards under the abutting action of the front end of the fixing frame, and therefore the partition plate can be separated from the positioning hole. And when the inclined block moves to the position above the positioning hole, the inclined block automatically falls into the positioning hole under the action of the spring, so that the positioning of the partition plate is completed, the position of the partition plate is conveniently and quickly adjusted, the purpose of adjustable expansion of the internal space of the distribution box is achieved, and maintenance, replacement and installation of power equipment are facilitated.

This utility model provides a novel tubular membrane module for wastewater filtration, belonging to the field of wastewater treatment technology. It addresses the problem that when one set of membrane tubes is integrally molded, the entire module needs to be replaced, which is cumbersome and costly. The module includes: an outer column, a filter assembly, an auxiliary fixing mechanism, and a locking mechanism. The filter assembly is installed inside the outer column; the auxiliary fixing mechanism is installed inside the outer column and connected to the filter assembly; the locking mechanism is installed on one side of the outer column and connected to the auxiliary fixing mechanism. This utility model features an internal sealing plate that slides and forms a fixed clamping seal, making disassembly and disassembly simple and convenient, and simplifying filter tube installation and replacement.

The utility model provides a blind brush of convenient replacement brush head, including backplate, the outside of installation pole body is equipped with the brush head, and the front end of mobile arm lever is connected with the positioning plug, the utility model discloses the tail end of brush head is provided with the detent head, and the fixed base and installation pole body are installed on the backplate, when installing the brush head, along with installation pole body, the brush head is sleeved on the pole body, can be through a plurality of elastic convexes and prevent the limit, and push the brush head until the tail end of brush head and fixed base contact, and the detent head of tail end of brush head inserts into the inside of the detent slot, then push the push button, drive mobile arm lever to slide in the side slide groove, make the positioning plug of mobile arm lever one end insert into the positioning hole inside the detent head inside, and then limit the detent head, and the brush head is stably installed on the pole body through the limit of positioning plug and elastic convex, when disassembling, remove the limit of positioning plug, and the brush head can be pulled out to the outside, in this way, the brush head is convenient to replace and install, and the practicality is higher.

The utility model discloses a carton transparent window forming tool which comprises a lower die, an upper die is installed on the top of the lower die, a die groove is formed in the top of the lower die, a first magnetic block is fixedly arranged at the bottom in the die groove, a carton cavity block is arranged in the die groove, and a second magnetic block is fixedly arranged at the bottom of the carton cavity block. The first magnetic block and the second magnetic block are fixed in a mutual magnetic attraction mode, a carton window block is arranged at the top of the carton cavity block, a third magnetic block is fixedly arranged at the top of the carton cavity block, a fourth magnetic block is fixedly arranged at the bottom of the carton window block, and the fourth magnetic block and the third magnetic block are fixed in a mutual magnetic attraction mode. The paper box transparent window forming tool solves the problems that most of existing paper box transparent window forming tools are integrally and fixedly arranged, adjustment is difficult to conduct according to different arrangement positions of paper box windows, and diversified production requirements cannot be met.

The utility model discloses a regulating valve convenient to regulate flow, which relates to the technical field of regulating valves, and comprises a regulating valve main body, a fixed seat is arranged at the upper end of the regulating valve main body, the fixed seat is detachably connected with the regulating valve main body, and a regulating box is arranged in the regulating valve main body. According to the regulating valve convenient to regulate the flow, the rotating disc can drive the threaded column to rotate, the threaded column and the threaded hole in the fixing plate can be in threaded action when the threaded column rotates, and the flow regulating block can be driven to move up and down in the buffer groove through the threaded action; the arc-shaped flow adjusting openings in the two ends of the flow guide block are opened or closed, meanwhile, the opening sizes of the two sets of arc-shaped flow adjusting openings can be adjusted, finally, the flow in the adjusting valve body is adjusted, and the arranged sealing rubber ring can avoid the phenomenon of leakage of the adjusting box. And the arranged filter screen can filter liquid flowing in through the water inlet pipe.

The utility model relates to the technical field of medium-efficiency bag filters, in particular to a medium-efficiency bag filter convenient to install, an installation device comprises a hook, two vertical plates are fixedly installed on the surface of the top of a filter body, the surfaces of the two vertical plates are both rotatably connected with rotating shafts, a circular ring is fixedly installed between the two rotating shafts, and the circular ring is fixedly connected with the hook. A vertical groove is formed in the surface of one vertical plate, a moving plate is slidably connected into the vertical groove, an inserting rod is fixedly installed on the surface of the moving plate, a plurality of inserting holes are annularly formed in the surface of the outer wall of one rotating shaft, a rectangular plate is fixedly installed on the surface of one vertical plate, and a spring is fixedly installed between the rectangular plate and the moving plate. According to the utility model, the problems that screws need to be used in the process of mounting the filter bag of the existing medium-efficiency bag filter, and the screws are easy to slip in the process of repeatedly mounting and dismounting, so that inconvenience is brought to the later replacement and maintenance of the filter bag when the screws slip are solved.

A wear-resisting linear sliding rail beneficial to improving stability comprises a guide rail, a sliding block, a wear-resisting piece and an elastic adjusting piece. The sliding block comprises a sliding block main body, a guide rail access port and at least two connecting ports. The connecting port comprises a wear-resisting piece connecting port and an adjusting piece containing hole. The wear-resisting piece connecting opening comprises a cylindrical hole and a limiting groove formed perpendicular to the extending direction of the cylindrical hole. The wear-resisting piece comprises a wear-resisting piece body, an inserting column and a limiting edge. And the cylindrical hole and the limiting groove are respectively combined with the inserting column and the limiting edge, so that reliable and easy-to-mount and easy-to-replace inserting connection is formed between the wear-resistant sheet and the sliding block. The distance between the wear-resisting piece and the sliding rail is adjusted through the elastic adjusting piece, and the elasticity is kept stable.

The invention discloses a large-current modular molded case circuit breaker, comprising a shell, an arc extinguishing assembly, a contact assembly, a rotating shaft and an operating mechanism; the shell comprises a base, an upper cover and a cover, the operating mechanism and the rotating shaft are both detachably mounted on the top of the upper cover, and a plurality of groups of moving contacts and a plurality of groups of static contacts are respectively detachably mounted in a receiving cavity between the base and the upper cover, the rotating shaft is movably connected with the plurality of groups of moving contacts and the operating mechanism through a crank arm structure, and the molded case circuit breaker adopting the technical solution realizes modularization and convenient installation of the operating mechanism, the rotating shaft and the moving contact through reasonable optimization layout and design of components such as the operating mechanism, the rotating shaft and the moving contact, simplifies the installation structure, reduces the installation difficulty, is convenient for product disassembly, assembly and maintenance, saves assembly time, improves assembly efficiency, reduces production costs, and is conducive to mass production and assembly of products.

The utility model discloses a shell assembly and a filter, and the filter comprises a shell, a cover plate and a fastener, an accommodating groove is formed in the shell and is used for mounting the filter element; the edge of one side of the cover plate is rotationally connected to the edge of a notch of the containing groove, the cover plate rotates to cover or open the notch of the containing groove, and a limiting groove is concavely formed in the edge of the other side of the cover plate; the fastener is movably connected to the shell and can stretch into the limiting groove to lock the cover plate or stretch out of the limiting groove to unlock the cover plate. The technical scheme of the utility model provides a shell assembly fixing mode which is simple in structure, low in production cost and convenient to install and replace.

The utility model discloses a carbon molecular sieve mounting structure for a nitrogen making machine, which relates to the technical field of nitrogen making machine accessories, and comprises a tank body, a fixed seat is fixedly arranged at the top end of the tank body, a carbon molecular sieve charging basket is inserted into the fixed seat, and the carbon molecular sieve charging basket is arranged in the tank body. A mounting seat with an annular structure is fixedly arranged at the top end of the carbon molecular sieve charging basket, and the mounting seat is arranged in the fixed seat. The fixed seat is arranged at the top end of the tank body of the nitrogen making machine, and the carbon molecular sieve charging basket for storing the carbon molecular sieve is arranged in the fixed seat, so that when the carbon molecular sieve is mounted or replaced, the carbon molecular sieve charging basket can be directly taken out to avoid the situation that part of the carbon molecular sieve is left in the nitrogen making machine and is difficult to clean; the end cover is arranged above the fixed seat, and the end cover can limit the carbon molecular sieve charging basket, so that the installation of the carbon molecular sieve is facilitated.

The utility model relates to the technical field of high-speed wire machining, in particular to a high-speed wire hydraulic roller mounting tool. Comprising a roller ring, a taper sleeve and a clamping and fixing mechanism, the clamping and fixing mechanism comprises a first semicircular ring, a second semicircular ring, a first transverse plate, a second transverse plate, a lifting frame, a connecting screw rod, a locking nut, a reinforcing plate and a limiting device, during installation, the first semicircular ring and the second semicircular ring are clamped in a rolling groove of the roller ring, and then assembling and maintaining are achieved through the connecting screw rod and the locking nut; a limiting device is further installed, the roller ring with the tool is lifted to a roller shaft during operation, the roller ring presses the roller shaft to fall down due to gravity, at the moment, the lifting frame is rotated to drive the combined body to rotate, the roller ring and the taper sleeve freely fall down when the taper sleeve is aligned with the flat face of the shaft shoulder, finally, the locking nut is loosened, and the connecting screw rod is taken down. And the first semicircular ring and the second semicircular ring are separated to finish the installation of the roll collar and taper sleeve combination and the roll shaft, so that the roll collar and taper sleeve combination can be quickly and conveniently replaced and installed.

The invention discloses a fluorine-containing fire extinguishing rope in-box fixing mechanism for fire protection of a power distribution cabinet, and relates to the field of fire extinguishing rope fixing, the fluorine-containing fire extinguishing rope in-box fixing mechanism comprises a fixing assembly, and the fixing assembly comprises a base, a slide way located on the surface of the base, a wire fastener located in the slide way and a fire extinguishing rope located in the wire fastener; and the control assembly comprises a distance adjusting piece located on the outer side of the wire fastener, a lifting piece is arranged outside the distance adjusting piece, and a supporting spring is arranged between the distance adjusting piece and the lifting piece. Through cooperative arrangement of the wire fastener, the adsorption part, the reversing part and the pushing part, connection and fixation between the base and the inner wall of the power distribution cabinet can be completed under the action of magnetic force, compared with a traditional mode of fixation by means of gum, the magnetic attraction fixation facilitates repeated use and adjustment of the base by a user, and the base is more convenient and faster to take and place.

The utility model relates to a mute bouncing core, the bouncing core is arranged in a drainage hole of a bathroom drainage device and drives a sealing cover to close or open the drainage hole, the bouncing core is composed of a shell, a screw shaft, a rotating shaft, a guide groove piece, a spring and a base, the guide groove piece is attached to the circumferential surface of the screw shaft, a guide sliding groove is formed in the guide groove piece in the length direction, and the spring is arranged in the guide sliding groove. A rotary driving part and a positioning matching part are arranged in the guide chute; a circular groove is formed in the screw shaft, the rotating shaft is rotatably mounted in the circular groove, a positioning part is arranged at the outer end of the rotating shaft, the positioning part is slidably arranged in the guide sliding groove, and the screw shaft is fixed in the shell; the upper end of the spring is inserted into the through hole in the bottom end of the screw shaft and abuts against the inner end of the rotating shaft, the lower end of the spring abuts against the base, and the base is connected to the bottom end of the shell. The bouncing core is simple in structure and convenient to install and replace, and compared with a common bouncing core, the bouncing core has the silence using effect.

The utility model discloses a lift car skirting board device which comprises a lift car and a skirting board body, a main body of the skirting board body is a metal back board, the periphery of the metal back board is folded inwards to form a right-angle folded edge, at least two reinforcing ribs are arranged on the inner side of the metal back board, longitudinal reinforcing square pipes are arranged at the two ends of the reinforcing ribs, and the longitudinal reinforcing square pipes are connected with the skirting board body. And the thickness of the longitudinal reinforcing square tube is smaller than that of the right-angle folding edge at the periphery of the metal back plate. The skirting board body is arranged at the lower end of the inner side of an elevator car. Machining technologies such as electric welding and bolt fastening are mainly applied, the structure is simple, and installation and replacement are convenient.

The utility model discloses a road monitoring vertical rod, which relates to the technical field of road monitoring and comprises a vertical rod body, a layer plate is arranged at the top of the interior of the vertical rod body, a maintenance assembly is arranged in the vertical rod body, a mounting assembly is arranged at the top of one side of the vertical rod body, and the maintenance assembly comprises an adjusting screw rod. The adjusting lead screw is rotationally arranged at the bottom in the vertical rod body through a bearing, a forward and reverse rotation motor is arranged at the top end of the layer plate, an output shaft of the forward and reverse rotation motor is fixedly connected with the top end of the adjusting lead screw, a monitoring rod is arranged at the top of one side of the vertical rod body, and the mounting assembly comprises a fixing sleeve; the maintenance assembly has the advantages that the forward and reverse rotation motor arranged in the maintenance assembly rotates, the forward and reverse rotation motor rotates to be matched with the adjusting lead screw to drive the adjusting lead screw to rotate, and the adjusting lead screw rotates to drive the movable sleeve to move up and down in the vertical rod body; when maintenance is needed, the movable sleeve drives the threaded rod and the monitoring rod to move downwards to proper positions for maintenance.

The utility model discloses plastic container production equipment with a multi-angle injection molding head body assembly, which comprises a plastic bottom die, a plastic top die, a plastic injection head body assembly and a plastic injection head body assembly, the air inducing assembly is fixedly connected with one side of the surface of the plastic bottom mold, and the air inducing assembly is used for primarily cooling the formed plastic container; and the material guiding assembly is movably connected with the top of the plastic top mold. The utility model relates to the technical field of plastic production equipment. According to the plastic container production equipment with the multi-angle injection molding head body assembly, the material guiding assembly at the top of the plastic top mold is utilized, meanwhile, an external angle pipe is matched, so that during injection molding, multiple injection molding heads are directly adopted for injection molding, the injection molding time is shortened, the multi-angle injection molding head assembly is arranged, and the external angle pipe can have various different parameters; meanwhile, the track plate can rotate in the circular track so as to adjust the position, and replacement and installation are convenient.