1090 results about "Rubber mat" patented technology

The invention discloses an assembly type efficient sound insulation cover convenient to install, and relates to the technical field of sound insulation covers. Comprising a plurality of pieces of main body square steel, the main body square steel are linearly and evenly distributed at equal intervals, jacking mechanisms used for improving the bottom supporting strength are arranged on the inner walls of the main body square steel correspondingly, and assembly type connecting mechanisms used for improving the connecting strength and stability are installed in the main body square steel correspondingly; according to the assembly type efficient sound insulation cover convenient to install, main body square steel is inserted and limited in a penetrating and inserting mode through the assembly type connecting mechanism, the defect that limiting performance is insufficient due to the fact that a lap joint mode is directly used in a traditional structure is overcome, the whole assembly process is simpler and more convenient, rubber pads and expansion water stop strips are arranged at splicing joints, and the assembly efficiency is improved. The vibration transmission of equipment can be blocked, the inherent frequency is kept away from the vibration frequency of the equipment, secondary noise caused by resonance is avoided, meanwhile, through gaps are reduced, the noise is prevented from leaking from the insertion hole position, and the problem of noise leakage is solved.

The utility model provides an anti-impact connecting bolt fastening structure of a high-voltage isolating switch, and relates to the technical field of high-voltage switches, the anti-impact connecting bolt fastening structure comprises a high-voltage isolating switch base and a switch anti-impact bolt connecting assembly, through bolts penetrate through the inner sides of base bolt holes, the lower side of a bolt head rubber mat is provided with a back shore spring, and the back shore spring is connected with the switch anti-impact bolt connecting assembly. A limiting sleeve is connected to the outer side of the jacking spring in a sleeving mode, a nut rubber mat is arranged on the lower side of the limiting sleeve, a connecting nut is arranged on the lower side of the nut rubber mat, a metal locking nut is arranged on the lower side of the connecting nut, and due to the effective buffering effect of a damping rubber mat, damage of vibration to the base is remarkably reduced, and the service life of equipment is prolonged; and through rotation of the penetrating bolt, rapid mounting and dismounting can be achieved, firm and reliable connection is ensured, and through adjustment of the fastening strength of the penetrating bolt, impact loads under different working conditions can be flexibly coped with, and stable operation of equipment is ensured.

The utility model belongs to the technical field of rubber industry, and particularly relates to a rubber calendering device which comprises a supporting support, supporting legs are fixedly installed at the four ends of the bottom of the supporting support, and a calendering device body is fixedly installed at one end of the top of the supporting support. First calendaring rollers and second calendaring rollers are rotationally mounted at the upper end and the lower end of the inner wall of the calendaring device body correspondingly, and the exteriors of one ends of the multiple first calendaring rollers and the multiple exteriors of one ends of the multiple second calendaring rollers are rotationally mounted on one side of the inner wall of the calendaring device body; rubber raw materials are subjected to calendaring forming through the multiple first calendaring rollers and the multiple second calendaring rollers, after forming, a second driving motor drives a material collecting roller to rotate to collect formed rubber pads, and then redundant parts are cut through a cutting knife; and the formed rubber pads are collected, so that the rubber pads can be prevented from being accumulated in the storage box body, and the material taking efficiency and the production efficiency in subsequent operation are improved.

The utility model relates to the technical field of pickup equipment, in particular to an intelligent acoustic positioning imager. The sound source positioning device comprises a lower shell, a sealing rubber mat and a microphone main board, the lower shell, the sealing rubber mat and the microphone main board are sequentially connected from outside to inside to form a sound source positioning assembly, and a plurality of digital silicon microphone structures are distributed on the sound source positioning assembly in an array mode. Each digital silicon microphone structure comprises a lower shell pickup port arranged on the lower shell, a rubber mat opening arranged on the sealing rubber mat and a mainboard pickup port arranged on the microphone mainboard, the microphone, the lower shell pickup port, the rubber mat opening and the mainboard pickup port are sequentially butted and communicated, the microphone is positioned on the microphone mainboard and is aligned with the mainboard pickup port, and the lower shell pickup port is positioned on the lower shell and is aligned with the mainboard pickup port. The digital silicon microphone structures are mutually independent. Multiple paths of high-sensitivity digital silicon microphones are arranged in an array mode to form a recording system for cooperative work, and the functions of sound source positioning, noise suppression and the like are achieved. And a stepped pickup channel is adopted, so that the direction and the distance to a sound source can be accurately positioned.

The utility model discloses a high-sealing low-error anti-slip water meter which comprises a detection mechanism, first flanges are fixedly connected to the two sides of the detection mechanism, and second flanges are arranged on the sides, away from the detection mechanism, of the first flanges. The water meter is excellent in measurement error and anti-idling effect, the anti-backflow pipes on the left side and the right side of the water meter can effectively prevent water flow from flowing back, when the water flow flows forwards, water pressure pushes the rubber pad and the supporting disc to enable the water flow to pass through gaps, if the water flow flows back, the water pressure enables the rubber pad and the fixing ring to be attached more tightly, backflow is prevented, and the water meter is convenient to use. And the metering error caused by idling is reduced. In the aspect of sealing performance, the adjacent sides of the first flange and the second flange are provided with the annular grooves, the sealing rings are arranged in the annular grooves, the protruding parts of the sealing rings are inserted into the annular grooves, the contact area is greatly increased, the occurrence probability of leakage channels is reduced, the sealing performance is greatly improved, and the device has the advantages of being small in measurement error, good in anti-idling effect and good in sealing performance.

The invention relates to the technical field of storage, in particular to a storage rack for storing materials and a system thereof, the storage rack comprises a storage mechanism, the storage mechanism comprises a placing part, the placing part comprises a cabinet body, a plurality of protective plates, a supporting plate and two fixing blocks, and the sides, close to the cabinet body, of the protective plates are fixedly connected with the cabinet body; a plurality of materials can be stored through the placing part, the materials at the top of the supporting plate can be clamped and fixed through the clamping part, and objects leaking from the materials can enter the supporting plate through a filter screen, then are discharged backwards through an inclined plate and are collected by a collecting box of the collecting part through a discharging hole; the water flow change preliminarily detected by the leakage detection component does not give an alarm, after the materials are stored for a long time, if the materials leak, the pressure on the rubber pad is changed, the area of the part, making contact with water, of the rubber pad is changed, the water flow sensor can detect the change of the water flow at the moment, and therefore the warning lamp gives an alarm.

The utility model relates to the technical field of epoxy plates, in particular to a high-wear-resistance and high-strength epoxy plate which comprises a fixing seat, the section of the fixing seat is in an L shape, a rubber pad is embedded in the top of the fixing seat, an epoxy plate body is in lap joint with the top end of the rubber pad, threaded holes are formed in the two sides of one end in the fixing seat, and threaded holes are formed in the two sides of the other end in the fixing seat. The epoxy board body is connected with the fixing base in a clamped mode through the connecting mechanism. The connecting mechanism comprises a lap joint assembly, an extrusion fitting assembly, a dragging assembly and a protection assembly, the lap joint assembly is used for enabling the epoxy board main body to be in butt joint with the fixing base, and the extrusion fitting assembly is used for locking the position of the epoxy board main body; according to the utility model, the structure is simple, the operation is convenient, the epoxy board main body can be quickly disassembled and assembled by pressing and then buckling and pulling the epoxy board main body by a worker, no extra structure forms a barrier at the edge of the epoxy board main body, the adjacent epoxy board main bodies can be completely attached together, and the protection effect and the aesthetic property after assembly are ensured.

The utility model relates to a novel turnover wellhead safety protection tool which comprises an upper circular hoop and a lower circular hoop, the upper ends of the inclined rods are hinged to the upper circular hoop and are arranged in a circle at intervals; the hinge joint is of a cross type and comprises a first shaft sleeve and a second shaft sleeve hinged to the first shaft sleeve in a cross mode, and the first shaft sleeve is connected to the inclined rod in a sliding and sleeving mode; the lower circular hoop is sleeved in the second shaft sleeve in a sliding manner; the threaded strips are arranged at the end of the first shaft sleeve at intervals, surround a circle and extend outwards in an arc shape; the rubber pads are laid on the inner side faces of the threaded strips; and the nut is connected with a circle of thread strip around the thread and is arranged at the root of the thread strip. The anti-falling device can protrude out of the upper portion of a well mouth, an anti-falling signboard can be conveniently installed, and the anti-falling device can also adapt to lock mouth ring beams of different specifications.

The utility model relates to the technical field of canoeing, in particular to a detachable canoeing balance wing rollover prevention device which comprises an installation rod, a sliding rail and a sliding groove are formed in the side wall and the bottom of the installation rod respectively, an installation plate is connected to the opposite end of the installation rod in a threaded mode, and a balance buoy is fixedly installed at the bottom of the installation plate. The fixing device and the synchronizing device are arranged at the opposite ends of the mounting rods respectively, the fixing device comprises a mounting frame, a first nut, a rubber pad, a second nut and a first screw, and the mounting frame is mounted on the outer walls of the mounting rods in a sliding mode. The flexible contact surface can absorb the deformation stress of the ship body, rigid abrasion or loosening is avoided, a double-fixing structure is formed by combining rigid locking of the second nut and the first screw, it is ensured that the mounting rod is stable after being adjusted, meanwhile, deformation in dynamic use is compensated, and the device is prevented from moving or falling off.

The invention relates to the technical field of blasting engineering, and particularly discloses a segmented charging structure device for high-hardness rock mass blasting, which comprises a segmented charging unit body, a top cover, a camera, an elastic centering assembly, a reinforcing assembly, a detonating system and a sealing protective layer, the body is provided with two independent charging cavities, and intelligent monitoring modules are arranged in the charging cavities; the elastic centering assembly realizes self-adaptive centering through four groups of supporting legs with reinforcing ribs and an arc-shaped rubber pad, and is matched with a folding supporting structure of the reinforcing assembly to guarantee the stability of a deep hole; the camera and the pressure sensor monitor the hole wall state and the centering effect in real time; and the top cover and the protective layer form double sealing. According to the device, the positioning precision is improved, the uniformity of blasting lumpiness is improved, the root rate is reduced, and the device is suitable for high-hardness rock mass blasting scenes such as mines and tunnels.

The utility model belongs to the technical field of water purification equipment, and discloses a leakage-proof detection mechanism for water purification equipment, which comprises a water purification equipment body, a mounting box is fixedly mounted on the left side of the water purification equipment body, a lifting rod is movably mounted in the mounting box, and a water immersion sensor is fixedly connected to the bottom of the lifting rod. By arranging the lifting rod, the water immersion sensor, the toothed plate and the gear, after the water purification equipment body is installed by an operator, the pull rod is pulled upwards, so that an anti-skid rubber mat is separated from a circular block and an anti-skid block, the fixing effect on the circular block is relieved, the circular block is rotated by the operator at the moment, a circular shaft drives the gear to rotate, and the water purification equipment body is fixed. According to the water purification equipment, the tooth plate and the lifting rod descend, the water immersion sensor descends and makes contact with the ground or the table top, detection can be carried out in time when leaked water of the water purification equipment body drips on the ground or the table top, and the detection effect is improved.

The utility model relates to the technical field of dust purification, in particular to a construction waste dust purification device which comprises a purification device body, a climbing assembly is arranged on one side of the purification device body, and a shake-off assembly is arranged below the purification device body. And the climbing assembly comprises a fixing rod, fixing blocks are fixedly installed at the two ends of the fixing rod, a crawling ladder is connected to the outer wall of the fixing rod, a limiting rotating plate is arranged on the inner side of the lower portion of the crawling ladder, and a rubber pad is arranged in the lower portion of the limiting rotating plate. According to the purification device, through the arrangement of the climbing assembly, subsequent climbing of workers is facilitated, the probability that the workers directly fall onto the ground accidentally is reduced, certain safety is improved, through the arrangement of the shaking-off assembly, dust on the surface of the movable plate can be shaken off, dust on the inner wall of the purification device body can be conveniently cleaned, and the purification device is convenient to use. The influence on discharging of the purification device main body due to excessive dust accumulation is avoided.

The utility model provides a bio-based degradable material air cooling device, and aims to solve the problems that a power line in an existing cooling device is easy to be disordered and lacks an effective storage function. The device comprises a box body, an air outlet pipe and a cooling assembly. The cooling assembly is provided with a cold water inlet, a cold water outlet and a condensation pipe, and the fan assembly is installed at the front end and driven by a power line. One side of the housing is provided with a wire arranging groove and a reversing groove for arranging the power line and preventing the power line from winding. The depth of the wire arrangement groove and the reversing groove is matched with the diameter of the power line to ensure stable storage of the power line. And a detachable facing cover is arranged on the wire arrangement groove and is fixed with the shell through a mortise and tenon joint structure. The rubber mats are applied to the surfaces of the wire arranging grooves and the reversing grooves to reduce power line abrasion. The fan assembly is provided with a protection frame to guarantee safety. The air outlet pipe is connected with the box body through a flange plate. Through the design, the safety, the stability, the maintenance convenience and the cooling efficiency of the cooling device are effectively improved, and the high practical value is achieved.

The utility model relates to the technical field of noise reduction plates, and discloses a shock absorption and noise reduction plate which comprises a shock absorption and noise reduction plate body, a shock absorption groove is formed in the outer surface of the front side of the shock absorption and noise reduction plate body, and a first damping rubber pad adheres to the inner surface of the rear side of the shock absorption groove. First rubber blocks are arranged at the positions, close to the four corners, of the outer surface of the front side of the first damping rubber pad, first clamping grooves are formed in the outer surfaces of the front sides of the four first rubber blocks, damping springs are connected to the interiors of the four first clamping grooves in a clamped mode, and a partition plate is fixedly connected to the position, close to the center, of the inner surface wall of each damping groove; the utility model solves the problem that the working efficiency of the equipment is reduced because the ideal noise reduction and sound attenuation effect cannot be achieved due to overhigh sound vibration frequency when the traditional sound attenuation plate is generally applied to places with higher noise, such as a music hall and the like.

The utility model relates to the technical field of sealing gaskets, and discloses a sealing gasket which solves the problem that an existing sealing gasket is poor in sealing effect and comprises an aluminum sheet, a rubber sheet is fixedly connected to the outer side of the aluminum sheet, an elastic mechanism is arranged on the rubber sheet, and the elastic mechanism comprises an installation ring fixed to the side, away from the aluminum sheet, of the rubber sheet. An outer ring is arranged between the mounting ring and the aluminum sheet and located on the outer side of the rubber sheet, a plurality of supporting columns are fixedly connected between the outer ring and the aluminum sheet at equal angles, the outer sides of the supporting columns are movably sleeved with sliding plates, first springs are fixedly connected between the sliding plates and the outer ring, and the supporting columns are sleeved with the first springs; according to the sealing gasket, when the contact body extrudes the annular rubber gasket, the first spring and the second spring can deform, then the annular rubber gasket and the contact body can be tightly attached under the action of the elastic force of the first spring and the second spring, and therefore the sealing effect of the whole sealing gasket can be improved conveniently.

The application belongs to the technical field of rubber mats, and provides a high-damping low-dynamic-static-ratio vibration and noise reduction rubber mat, a preparation method and application thereof, raw materials including, by mass fraction, natural rubber 25-50 parts, halogenated butyl rubber 45-65 parts, epoxy natural rubber 6-12 parts, reinforcing agent 40-50 parts, brominated p-t-octylphenol formaldehyde vulcanized resin 9-15 parts, zinc oxide 4-6 parts, stearic acid 1-3 parts, antioxidant 3.4-4.5 parts, silane coupling agent 3-5 parts, accelerator 4-5 parts, and sulfur 0.8-1.2 parts. The rubber mat has high-frequency high-damping low-dynamic-static-ratio characteristics and excellent fatigue resistance.

The utility model discloses a support and a desktop fan. The support comprises a first support body and a second support body which are rotatably connected through a rotary connecting structure. The first frame body is provided with a damping face arranged around the central axis of the rotary connecting structure, a damping rubber mat is fixed to the position, corresponding to the damping face, of the second frame body, and the damping rubber mat is tightly attached to the damping face so as to limit relative rotation of the first frame body and the second frame body. Compared with the prior art, the support has the advantages of being simplified in structure, convenient and fast to assemble, relatively low in manufacturing cost and capable of meeting the angle fixing requirement of the support in practical application.

The utility model discloses a detachable maintenance ladder for a closed cooling tower all-in-one machine, which comprises a mounting foot and a rubber pad, a mounting hole is arranged in the mounting foot, a powder box is arranged on the inner side of the mounting foot, a magnetic piece is arranged on the outer wall of the powder box, a ladder stand supporting rod is arranged at the upper end of the mounting foot, and a plurality of ladder stand supporting rods are arranged on the lower end of the ladder stand supporting rod. A crawling ladder transverse rod is fixed to the inner wall of the crawling ladder supporting rod, a crawling ladder handrail is fixed to the surface of the crawling ladder supporting rod, and the rubber pad is arranged on the outer wall of the crawling ladder transverse rod. According to the detachable maintenance ladder for the closed cooling tower all-in-one machine, the device can be conveniently connected with the ground through the mounting feet and the mounting holes, the powder box can be attached to the inner walls of the mounting feet through the magnetic attraction pieces, the powder box is limited, and anti-skid powder in the powder box can increase friction between the shoe sole of a worker and a ladder stand cross rod; the situation of foot slipping is effectively reduced, and the threaded connection between the threaded hole and the threaded rod facilitates assembling and positioning of the suction cup.

The utility model discloses an automatic circumferential buckle pressing device which comprises an upward jacking air cylinder and a corner downward pressing air cylinder, a buckle fixing jig is arranged at the output end of the upward jacking air cylinder, a plurality of buckle fixing holes are formed in the fixing jig, a pressing rubber mat is arranged at the output end of the corner downward pressing air cylinder, and the pressing rubber mat is connected with the buckle fixing holes. The pressing rubber mat is located above the buckle fixing jig, a workpiece fixing jig is arranged between the pressing rubber mat and the buckle fixing jig, and a workpiece containing space is formed in the workpiece fixing jig; according to the utility model, the circumferential buckle can be automatically mounted on the workpiece through the jacking cylinder and the corner pressing cylinder, so that the automatic mounting is realized, the production speed and efficiency can be improved, and the yield is increased; and meanwhile, the complexity and the error rate of manual operation are reduced.

The utility model relates to a positioning mechanism of a low-strain pile foundation detection hammer, which comprises a positioning cylinder, a rubber seat and a rubber pad, the detection hammer is inserted into the positioning cylinder, the rubber seat is arranged below the positioning cylinder, the rubber pad is arranged in the rubber seat, an accommodating cavity is formed at the bottom of the rubber seat, and the rubber pad is detachably arranged in the accommodating cavity. According to the positioning mechanism of the low-strain pile foundation detection hammer, the stability of the detection hammer is achieved through the positioning cylinder, errors caused by shaking or deviation of the hammer body in the hammering process can be effectively reduced, and therefore the accuracy and stability of low-strain pile foundation detection are improved; according to the invention, the control of the hammering position and angle is more accurate and easy to repeat, the time consumed by repeatedly adjusting the hammering position is reduced, and meanwhile, the stable hammering effect ensures the quality of signals acquired each time and reduces the number of invalid acquisition times, so that the detection efficiency is remarkably improved.

This invention discloses a method for fixing a seepage-proof transition section on an irregular rock slope in a mine landfill. A seepage-proof cementitious composite sprayed material is wet-sprayed onto the irregular rock slope (1-2), forming a seepage-proof cementitious composite sprayed material layer (2) on the surface of the seepage-proof transition section. A seepage-proof geomembrane (3) is laid from the regular rock slope (1-1), and then rubber pads (7) and thin steel plates (6) are laid on the geomembrane (3) from the inside out. Hollow grouting anchors (4) are self-drilled through the holes in the thin steel plates (6) and rubber pads (7), and the edges are trimmed with a seepage-proof sealing agent (8). This invention is applied to the reinforcement of seepage-proof transition sections on irregular rock slopes in mine landfills, overcoming the problem of easy damage during the fixing process of seepage-proof transition sections on irregular rock slopes, eliminating potential hazards, and improving the safety and reliability of the seepage-proof system. It not only has good economic benefits but also significant safety and environmental benefits.

The utility model provides a concrete pipeline hoisting device which comprises a U-shaped rod, the U-shaped rod comprises a first vertical rod and a second vertical rod parallel to the first vertical rod, one end of the first vertical rod is fixed with one end of the second vertical rod through a cross rod, a connecting piece is arranged on the second vertical rod, a supporting rod is arranged on the end face, close to the second vertical rod, of the first vertical rod, and the connecting piece is connected with the supporting rod. The end face, close to the second vertical rod, of the supporting rod is an arc-shaped face, and the arc-shaped face is matched with the inner diameter of a to-be-hoisted pipeline. The rubber pad is mounted on the arc-shaped surface of the supporting rod; the balancing weight is arranged at the end, away from the transverse rod, of the second vertical rod. The hoisting device has the advantages that the arc-shaped surface structures of the supporting rods can be better attached to the inner side wall of the pipeline to be hoisted, the stress area is increased, the stability in the hoisting process is improved, and the rubber pads not only increase friction force, but also are soft in texture and can prevent the concrete pipeline from being knocked.

The utility model provides a supplementary pressure seamless machine for garment processing, which relates to the technical field of supplementary pressure seamless machines and comprises a supporting table, a supplementary pressure seamless machine body and a stand column are fixedly mounted on the surface of the supporting table, and an air pump is fixedly mounted on the surface of the supplementary pressure seamless machine body. The moving range of the workbench can be effectively limited through the arranged limiting block, excessive displacement is prevented, the operation safety and stability are ensured, materials of different materials or thicknesses can be adjusted in a self-adaptive mode through the pressing strip frame through the first spring, the second spring, the rotating block and the telescopic rod, the machining flexibility and efficiency are improved, and the practicability is high. By arranging the fixing handle and the fixing claw, the pressing strip frame can be rapidly fixed, and by arranging the protective rubber pad and the sponge handle, the operation comfort and safety are remarkably improved, the operation fatigue is reduced, and the accident risk is reduced.

The utility model discloses a rotary seat convenient to limit and fix, which comprises a top plate and a base plate, the top plate is arranged at the top of the base plate, two sides of the bottom of the top plate are respectively provided with a limit component, each limit component comprises an L-shaped loading plate, and the top end of each L-shaped loading plate is fixedly connected with the edge of the bottom of the top plate. The bottom end of the L-shaped loading plate is suspended below the edge of the bottom of the chassis, the middle of the bottom end of the L-shaped loading plate is in threaded connection with an adjusting bolt, the bottom end of the adjusting bolt is fixedly connected with a knob, and the top end of the adjusting bolt is fixedly connected with an extrusion plate. Through the design of the limiting assembly, the limiting and fixing functions of the rotating seat are achieved, the adjusting bolt, the squeezing plate, the anti-skid rubber pad and other parts in the limiting assembly are matched with one another, so that the top plate can be locked after rotating to the needed angle, the situation that rotation occurs due to accidental touch or external force is avoided, and the safety is improved. And the use stability and safety of the rotating seat are improved.

The utility model discloses an anti-collision beam structure of an excavator, which relates to the technical field of anti-collision beam structures and comprises a connecting block, special-shaped seats are welded on two sides of the connecting block, protective mechanisms are arranged on the outer walls of the two special-shaped seats, and fixing mechanisms are arranged at the upper ends of the protective mechanisms. The protection mechanism comprises two sets of special-shaped blocks and two sets of limiting blocks, special-shaped grooves are formed in the outer walls of the two sets of special-shaped blocks, concave anti-collision beams are fixedly installed on the outer walls of the two sets of limiting blocks, concave rubber pads are installed on the outer walls of the two sets of concave anti-collision beams, and the two sets of limiting blocks are inserted into the two sets of special-shaped grooves correspondingly. According to the anti-collision device for the excavator, the two sets of concave anti-collision beams can be protected, deformation or breakage of the two sets of concave anti-collision beams is prevented, secondary damage to operators or surrounding personnel is prevented, meanwhile, the excavator can be protected, and damage to other parts of the excavator is prevented.

This utility model relates to the field of interior decoration technology and discloses a drilling tool for interior decoration, including a mounting frame. An electric push rod is fixedly connected to the top of the mounting frame, and a mounting plate is fixedly connected to one end of the electric push rod. A guide rod is fixedly connected to the top of the mounting plate, and a mounting assembly is provided at the bottom of the mounting plate. A dust collection assembly is provided at the top of the mounting frame. This drilling tool for interior decoration includes a sliding rod, a transparent cover, a spring, a rubber pad, a fixed frame, a reduction motor, a rotating shaft, and a drill head. The electric push rod moves the mounting plate, which in turn moves the transparent cover via the sliding rod. The movement of the transparent cover allows the mounting tube to slide on the fixed tube, facilitating the work. The transparent cover moves the rubber pad downwards to contact the workpiece, and the spring's elasticity allows the rubber pad to press against the workpiece, preventing it from loosening during processing and enhancing stability.

The invention discloses a ceramic glass mahjong block heat insulation pad, a summer sleeping mat, a cushion and a preparation method thereof, belongs to the difference of mahjong blocks made of ceramic glass and bamboo materials, and the finished product consists of ceramic glass mahjong blocks and soft rubber mats, and has the beneficial effects that: 1, the ceramic glass mahjong blocks on the soft rubber mats are simple to mount / replace; 2, the steps of producing and manufacturing the mahjong blocks are simple and time-saving, and the mahjong blocks are integrally formed; and 3, the size and the shape can be obtained only by cutting the soft rubber mat. And 4, the chemical property and the physical property of the material of the product are suitable for climate environments of various countries and regions on the earth, and the product is particularly suitable for people living in tropical and subtropical zones. And 5, the spiral concave-convex clamping groove design is implemented, so that firmness and fixity are achieved. And 6, the product is also beneficial to outdoor use and travel use. And 7, the product has texture and is also suitable for aviation, high-speed rails, hospitals, schools and other places with high requirements on the product. 8, one of the biggest advantages of the invention is simple and fast to assemble into a finished product, and a consumer can freely assemble the product.

The utility model relates to a head nut technical field, especially a four fluorine outer clothing head nut for fixing fluorine plastic board, including nut body, still including sealing along and installation component, nut body lower extreme fixedly connected with sealing along, nut body outer surface is equipped with a layer of polytetrafluoroethylene outer clothing, and nut body upper end is provided with installation component, the utility model discloses through sandblasting treatment surface, and polytetrafluoroethylene powder is evenly sprayed on the nut body surface, and the dense outer clothing layer is formed through high -temperature sintering, through the high chemical stability and high temperature resistance of polytetrafluoroethylene outer clothing, make the nut service life extension, through filling high -temperature sealant and three millimeter thick soft four fluorine round pad or three millimeter thick high -temperature fluorine rubber pad in the sealing groove, further promote the sealing performance, solved because PTFE board itself welding fusibility just has no PFA effect good, and the welding firm degree is lower, and fluorine plastic cap is easy to crack under the flue harsh environment, causes the corrosion of bolt, leads to the problem of poor sealing.

The utility model relates to rubber floor mat technical field, and disclose a spliced rubber floor mat, including rubber pad, the periphery fixed mounting of rubber pad has connecting pad, the top fixed mounting of connecting pad has magic tape hook face, the top of connecting pad is provided with rubber pressure strip, the bottom fixed mounting of rubber pressure strip has magic tape nap, the inside close connection of mounting hole has connecting piece. This spliced rubber floor mat, when installing, will align the rubber pad and put well, will be into the mounting hole on connecting pad, installs relatively simple and fast, effectively shortens the installation time of whole, after ensuring close connection, aligns the rubber pressure strip with connecting pad and presses tightly to ensure that magic tape hook face and magic tape nap close adhesion, the recess on rubber pressure strip can wrap the fixed sheet on connecting pad in it, makes rubber pressure strip and rubber pad relatively even, reduces the accident caused by splicing uneven.

The present application relates to the technical fields of anti-choking drinking water control, and provides an anti-choking drinking water control method and device, which comprises a cup body, a cup cover connected to the top side of the inner wall of the cup body through a sealing ring, an adjusting cavity fixedly connected to the bottom end of the cup cover, an extension pipe connected to the bottom end of the adjusting cavity through a splicing assembly, a gravity ball fixedly connected to the bottom end of the extension pipe, a through hole for ensuring water flow on the outer wall of the gravity ball, a suction nozzle fixedly connected to the top end of the cup cover, a rubber pad slidingly connected to the inner wall of the adjusting cavity, and a connecting pipe fixedly connected to the top end of the rubber pad. Through the threaded transmission cooperation of the spiral sleeve and the spiral rod, the rubber pad is vertically slid in the adjusting cavity, and then the blocking ball is opened under the negative pressure generated by the appropriate suction force, the waterway is opened under the negative pressure generated by the appropriate suction force, and the blocking ball quickly falls to block the bottom end of the adjusting cavity when there is no negative pressure, so as to avoid the free flow of residual water and realize the flexible adjustment of the suction force.