138results about How to "Guaranteed suction" patented technology

The invention provides a ship cleaning robot and a cleaning method. The ship cleaning robot comprises a cleaning device, a driving device and a controller. The ship cleaning robot is characterized inthat three rotary cleaning discs are distributed in a regular triangle shape and mounted on a chassis, and cavitation jet nozzles are arranged in the rotary cleaning discs. The sealed cabin is fixed on the chassis, two horizontal pushers are fixed on the upper plane of the chassis and located on the two sides of the sealed cabin, and the three vertical pushers are distributed in a regular triangleshape, fixed on the chassis and staggered with the three rotary cleaning discs. The floating body is in a regular triangle shape, the floating body is connected with the chassis 2, and the through holes in the three corners of the floating body are aligned with the three vertical pushers respectively. Module laying is facilitated, the adsorption mode and the propelling mode are improved, advancing resistance is reduced, the obstacle crossing capacity is improved, flaw detection is conducted on the surface of a ship, non-repeated full-coverage operation of a working area is achieved, and the cleaning efficiency is improved.

The invention provides an intelligent safety sucker, a self-moving adsorption system with the intelligent safety sucker, and a control method thereof. The intelligent safety sucker includes a sucker base (200) and a sucker (300) fixed on the sucker base, a circuit board is arranged in the sucker base, a vacuum sensor (410) is integrated on the circuit board, a breather pipe (500) is arranged in the sucker base, a through hole (320) is arranged in the sucker, the breather pipe is connected with the through hole, the vacuum sensor inducts the vacuum degree in the sucker through the breather pipe, the circuit board is electrically connected with a power supply device, a first control unit is integrated on the circuit board, and the vacuum sensor is electrically connected with the first control unit. The sucker absorption capability is identified by the intelligent function of the safety sucker, so that the safety sucker can be guaranteed to be firmly absorbed to the absorption surface, and can effectively bear the impact force of the self-moving adsorption system coming off the absorption surface, and the safety sucker is simple in structure and high in sensitivity.

The invention relates to the technical field of electrical accessories, in particular to a distribution box capable of automatically dissipating heat. The distribution box comprises a box body and a box cover on the box body, a fan is arranged in the box body, and a plurality of heat dissipation holes protruding from the surface of the box cover are formed in the position, close to a heat source,of the box cover; each heat dissipation hole is provided with a fixing plate and a moving plate capable of automatically returning, an electromagnet is fixed to the side, toward the inner wall of thecorresponding heat dissipation hole, of each moving plate, an air bag is fixed to the inner wall of each heat dissipation hole, and an iron block attracting the corresponding electromagnet during heating expansion of the air bag is fixed to the air bag; an infrared emitter and an infrared receiver which can be covered by the corresponding moving plate are arranged on the inner wall of each heat dissipation hole, and each infrared receiver is used for receiving the infrared rays of the corresponding infrared emitter; the distribution box further comprises a controller, and the controller is used for controlling the fan to improve the rotational speed based on the signals of the infrared receivers. According to the distribution box, while the moving plates are adsorbed to the air bags to enlarge the heat dissipation holes, increase of the rotational speed of the fan is controlled to accelerate heat dissipation, and more heat is conducted out of the distribution box with the air by the enlargement of the heat dissipation holes, so that the heat dissipation effect is better.

The invention discloses a double-side self-cleaning linkage structure for a filter cartridge of a dust collector and belongs to filters of dust collectors. The double-side self-cleaning linkage structure comprises a box cover in the upper part in which an air inlet is formed, a rectangular box body which is fastened with the box cover and at the bottom of which an exhaust grille is formed, and filter paper in a continuously folded shape in the box body, wherein a power transmission rod and a driving bevel gear are arranged in the box body; a driven bevel gear and upper and lower screw rods are driven to rotate; a brush rod with a permanent magnet is driven to reciprocate in front of the filter paper; and a vibration rod, which is driven by the permanent magnet on the brush rod, is provided with the permanent magnet and a plurality of elastic shifting pieces and is synchronously linked, is arranged in a chute formed in a slideway rack outside the box bottom. By the design, the positive and reverse sides of the filter paper in the filter cartridge can be simultaneously self-cleaned, a self-cleaning effect is improved, the attraction of the dust collector is maintained, and trouble of cleaning the filter cartridge is avoided.

The invention relates to an underwater vehicle with a pumping set for propelling. The problems that an underwater vehicle is poor in self-suction capacity and can not meet the demand for hydrodynamic performance are solved. According to the technical scheme, a front jet orifice assembly and a rear jet orifice assembly are arranged at the front end and the rear end of a shell correspondingly; the shell is provided with a water inlet and a jet orifice used for controlling the traveling direction of the shell; the water inlet is connected with a water inlet of a centrifugal pump; a water outlet of the centrifugal pump is connected with a water inlet of a high pressure plunger pump; a water outlet of the high pressure plunger pump is connected with the front jet orifice assembly, the rear jet orifice assembly and the jet orifice to form a control structure for the traveling direction of the shell; a water inlet of a water storage tank is connected with a water outlet of a bidirectional gear pump; a water outlet of the bidirectional gear pump is connected with a water changing opening formed in the shell; and a buoyancy type vertical position adjusting structure for the shell is formed. The underwater vehicle with the pumping set for propelling guarantees the suction force of the high pressure plunger pump, effectively improves the efficiency of the high pressure plunger pump, improves the propelling efficiency, and is convenient to use and good in effect.

The invention relates to a catching device for aquatic products, in particular to a clam seedling catching device. In the clam seedling catching device, a water outlet pipe of a rotary water separator (2) is connected with a water inlet pipe of a water pump (1); a water outlet pipe of the water pump (1) is connected with a main water inlet pipe of a flow ejector (4); a water outlet pipe of the flow ejector (4) is connected to a clam seedling sorting unit (5); a sucker opening of a clam seedling suction head (6) is adsorbed to a clam seedling gravel surface at water bottom downwards; a suctionopening of the clam seedling suction head (6) is connected with a water inlet pipe of the rotary water separator (2); a collection opening at the bottom of the rotary water separator (2) is connectedto a negative pressure water inlet of the flow ejector (4) by a check valve (3); the check valve (3) is controlled by the negative pressure of the flow ejector (4); and if the suction negative pressure of the flow ejector (4) is more than a set pressure value of the water pump (1), the check valve (3) is opened, and otherwise, the check valve (3) is closed to cut off a channel. In the clam seedling catching device, due to the zero-lift arrangement of the water pump, energy consumption is reduced by over 3 times, clam seedlings can be caught efficiently and quickly in batch, the problem that the clam seedling suction head (6) is blocked by barriers can be solved automatically, the clam seedlings are not damaged, and the subsequent aquaculture survival rate is improved.

A cartridge case 1 for a magnetic tape cartridge comprises a cartridge case 1 consisting of a lower half 2 and an upper half 3. The lower half 2 is provided with retaining ribs 71 each having a retaining slanted surface 71a such that a plate-like cartridge memory 7 is positioned on the retaining slanted surfaces 71a with its one side 7d lowered and is obliquely supported with respect to a bottom plate 28 of the lower half 2. The upper half 3 is provided with supporting members for supporting various non-resilient constituent parts positioned on the lower half 2 and including the cartridge memory 7. The upper half 2 is provided with a stopper rod 77 such that when the upper half 3 is assembled with the lower half 2, the stopper rod 77 reaches a cartridge memory-rising region before the supporting members contact with the non-resilient constituent parts on the lower half 2.

The invention discloses a full-automatic continuous adjustable extractor hood adopting a capacitance-type sensor. The full-automatic continuous adjustable extractor hood comprises an extractor hood shell, and a capacitance-type sensor, a fan and a speed control circuit which are arranged in the extractor hood shell, wherein the capacitance-type sensor comprises a body base which is internally provided with a first cavity and a second cavity, and a sensor shell matched with the body base; the bottoms of the first cavity and the second cavity are communicated, liquid insulating media are filled inside the first cavity and the second cavity; the height of the first cavity is more than that of the second cavity, the liquid level sectional area of the liquid insulating media is less than that of the second cavity; the first cavity is communicated with atmosphere through an atmosphere inlet in the top, two parallel opposite electrode plates are arranged inside the first cavity along a height direction; the second cavity is communicated with a public flue through a flue gas inlet in the top; and the electrode plates are used as output ends of the capacitance-type sensor and connected with the input end of the speed control circuit, the output end of the speed control circuit is connected with a motor, and the output end of the fan is communicated with the public flue.

An apparatus (230) for recovering refrigerant from an air conditioning system (200) comprises an evaporator (232) arranged to receive the refrigerant from the air conditioning system (200) and to separate it from impurities in it present, obtaining purified refrigerant, a compressor (233) for circulating the purified refrigerant, a condenser (236), and a storage container (60) arranged to contain the condensed refrigerant. The storage container (60) defines a storage chamber (61) arranged to contain a liquid phase of the refrigerant (25) and a gaseous phase (26) comprising a vapour component of the refrigerant (26a) and an air component (26b). The apparatus (230) is also comprised of measuring means (110) configured to measure operating parameters of the refrigerant present in the storage chamber, purge means (125) arranged at a purge opening (62) configured to purge the gaseous phase (26) present in the storage chamber (61) responsive to the operating parameters (61), and at least one first separation chamber (64) connected to the storage container (60). A selective passage means (115) is arranged at said opening between the storage chamber and the first separation chamber (64) to separate the gaseous phase (26) into the vapour component of refrigerant (26a) and into the air component (26b), in such a way that through the selective passage means (115) only the air component (26b) and a reduced amount of vapour component (26a) move in the first separation chamber (64).

The invention discloses an electric self-suction ground cleaning trolley which comprises a frame. A walking device, a dust suction device, a cab and a garbage treatment device are arranged on the frame. The garbage treatment device comprises a mounting rack, a garbage can, a dust collection box, a negative-pressure draught fan, a filter cloth bag and a plurality of metal net frames. Cloth bag supports are arranged on the two sides of the filter cloth bag correspondingly. Small supports are arranged in the middles of the upper ends of the cloth bag supports correspondingly. The lower ends of the metal net frames, located on the two sides of the small supports, on the filter cloth bag are hinged between lower cross plates in the middles of the cloth bag supports on the two sides, and the middles of the metal net frames between the corresponding small supports on the two sides on the filter cloth bag are hinged between the small supports on the two sides. A vibration connecting plate is arranged on one side of the filter cloth bag, and one side of each of the multiple metal net frames is hinged to the vibration connecting plate. A reciprocating mechanism connected with the vibration connecting plate is arranged at the positions, corresponding to one side of the vibration connecting plate, of the middles of the cloth bag supports. The electric self-suction ground cleaning trolley has the beneficial effects that dust adsorbed to the filter cloth bag can be automatically cleaned away, the filter effect of the filter cloth bag is guaranteed, and the work suction force is ensured.

The invention discloses a capacitor voltage-dropping power supply circuit. The capacitor voltage-dropping power supply circuit comprises a capacitor voltage-dropping circuit and a voltage-stabilizing circuit, wherein the live wire end is connected with the capacitor voltage-dropping circuit, the capacitor voltage-dropping circuit is connected with the null wire end through the voltage-stabilizing circuit, the capacitor voltage-dropping circuit and the voltage-stabilizing circuit are separately connected with an external processor, the capacitor voltage-dropping circuit is used to provide a preset small capacitance when the processor is idle and provide a preset large capacitance when the processor works, and the voltage-stabilizing circuit has lower voltage regulation load voltage when the processor is idle and has larger voltage regulation load voltage when the processor works. The invention discloses a device adopting the capacitor voltage-dropping power supply circuit. The capacitor voltage-dropping power supply circuit and device thereof of the invention can effectively reduce the stand-by power consumption, the stand-by power consumption can be less than 0.5W, and the circuit and the device are applicable to the low cost capacitor voltage-dropping power supply scheme which conforms to the stand-by energy conservation demand of household appliances and have an important significance in the reduction of the cost.

The invention discloses a sweeping robot base station. The sweeping robot base station comprises a base station body, an air duct assembly and a switch assembly. The base station body is provided witha cleaning cavity, the cleaning cavity is provided with an opening for the sweeping robot to enter and exit, and a fan is further arranged in the base station body. The air duct assembly is installedin the cleaning cavity and comprises a plurality of air ducts, one end of each air duct is communicated with the draught fan, and the other end of each air duct is communicated with the cleaning cavity. The switch assembly is installed in the cleaning cavity and comprises a moving part and a driving part for driving the moving part to move, and the moving part is driven by the driving part to selectively open at least one of the multiple air ducts and close the remaining air ducts. The sweeping robot base station can reduce the production cost.

The invention provides a headphone clearing device with a closed dust sucking function, and relates to the field of earphone clearing devices. The headphone clearing device with the closed dust sucking function comprises a protective mounting shell; a control grip is inserted into the side wall of the protective mounting shell; the top of the protective mounting shell is bonded with a protective box shell which is internally provided with a forward and reverse motor and a storage battery; an output shaft of the forward and reverse motor is welded to the top of a driving rotating rod; and the bottom of the driving rotating rod penetrates through the side walls of the protective box shell and the protective mounting shell to be connected with a right-angle rotating clearing-away mechanism. According to the headphone clearing device with the closed dust sucking function, the forward and reverse motor controls rotation of a connecting fixing rod, thus brushing-away soft bristles rotate aninner cover of a headphone to conduct clearing, along with increasing of the rotating speed and centrifugal force, a moving screw rod drives the brushing-away soft bristles to rotate to gradually getclose to the level, the included angle between the two faces in the headphone is brushed away through the slender brushing-away soft bristles, and thus the clearing quality of the headphone is effectively ensured.

The invention discloses a sucker with a sealing element. The sucker comprises a framework which is covered with an elastic colloid, a connection rod is arranged at the back of the framework, a sucker cover is sleeved on the connection rod, the sealing element is arranged at the bottom of the elastic colloid, a protruding ring abutting against the back of the elastic colloid is arranged on the sucker cover, and a pushing element which abuts against the back of the sucker cover and is connected with the connection rod is arranged at the back of the sucker cover. According to the sucker, the sealing element is arranged at the bottom of the elastic colloid, a contact friction plane is formed on the outer periphery of the sealing element, and when the sucker is tightly absorbed, vacuum absorption force is generated in the sealing element, so that enough vacuum absorption force and friction can be guaranteed simultaneously. Besides before and during tight absorption of the sucker, the sealing element is not pulled or not pulled completely into the inside of the protruding ring, the sealing element and base plane sealing contact is guaranteed, air leakage of a vacuum cavity due to space between the sealing element and a base plane is prevented and enough vacuum absorption force is guaranteed.

The invention relates to a sucking disc cover which comprises a base plate. The outer edge of the base plate is provided with an outer ring, the middle of the base plate is provided with a through hole, an inner convex ring is arranged on the periphery of the through hole, and a middle convex ring is arranged between the inner convex ring and the outer ring. The invention further relates to a sucking disc which comprises a framework, the framework is wrapped with an elastic colloid, the back of the framework is provided with a connecting rod, the sucking disc cover is sleeved on the connecting rod, the inner convex ring on the sucking disc cover and the middle convex ring abut against the back of the elastic colloid, and an abutting-against part abutting against the back of the sucking disc cover and connected with the connecting rod is arranged on the back side of the sucking disc cover. According to the sucking disc where the sucking disc cover is assembled, the inner convex ring of the sucking disc cover, the outer ring and the middle convex ring all abut against the back of the elastic colloid, and pressing contact area between the sucking disc cover and the elastic colloid is increased, so that in use, the sucking disc has enough vacuum absorption force and friction force with a base plane.

The invention provides a forging die. The die comprises an upper die base and a lower die base, and a movable cavity is formed in the upper surface of the lower die base. An opening is sealed by a lower die plate mounting plate fixedly connected with a top screw; the upper die base is movably connected with the lower die plate mounting plate through a guide rod; the upper die base can move up anddown along the guide rod; a lower die plate and an upper die plate which correspond to each other are fixedly mounted on the upper surface of the lower die plate mounting plate and the lower surface of the upper die base through fastening screws; a top plate is arranged in the movable cavity; a negative pressure self-cleaning mechanism is arranged in the lower die base; the negative-pressure self-cleaning mechanism is communicated with a die cavity of the lower die plate; when the die is closed, the mold is opened, a guide rod structure drives the top plate to move downwards; and when the topplate moves downwards, air in a negative pressure chamber of the self-cleaning mechanism can be pumped out to form a negative pressure environment, after die opening, an air valve is communicated, airin the die cavity of the lower die plate flows into the negative pressure chamber through a dust falling groove, residual metal dust in the die cavity is brought into the dust falling groove under the action of airflow to be collected and guided out, and good development prospects are achieved.

The invention discloses a self-suction type cleaning trolley filter cloth bag vibration dust collection device which comprises a filter cloth bag and a plurality of metal net frames; cloth bag brackets which are mutually connected are arranged on the two sides of the filter cloth bag respectively; a small bracket is fixed at the middle part of the upper end of each cloth bag bracket; the lower ends of the metal net frames on the two sides of the corresponding small bracket on the filter cloth bag are hinged between lower cross plates at the middle parts of the cloth bag brackets on the two sides; the middle parts of the metal net frames between the corresponding small brackets on the two sides on the filter cloth bag are hinged between the small brackets on the two sides; a vibration connection plate is arranged on one side of the filter cloth bag and is hinged to one side of each of the metal net frames; and a reciprocating mechanism which is connected with the vibration connection plate is arranged at the middle part of the cloth bag bracket corresponding to one side of the vibration connection plate for driving the vibration connection plate to carry out reciprocating movement so as to drive the metal net frames and the filter cloth bag to carry out reciprocating swing. The self-suction type cleaning trolley filter cloth bag vibration dust collection device has the beneficial effects that the structure is compact, dust adsorbed on the filter cloth bag can be automatically cleaned, and the filter effect of the filter cloth bag and the suction of a fan are guaranteed.

The invention discloses a scraper blade with a water-absorbing function and a cleaner using the scraper blade and belongs to the field of cleaning tools. The scraper blade comprises a scraper blade main body; the lower end of the scraper blade main body is configured as a water-absorbing end; the upper end of the scraper blade main body is configured as a water draining end; the water-absorbing end is communicated with the water draining end through a water-absorbing channel; a water absorbing port at the water-absorbing end is configured as an inclined port; a scraper blade for scraping water is arranged on longer side and a lug is arranged on the outer surface of the shorter side; a fixing block which is in sliding fit with the cleaner is arranged on the scraper blade main body; a sliding slot is formed on the cleaner; the upper end of the scraper blade main body and the fixing block are in sliding connection with the sliding slot. The structure of the scraper blade disclosed by the invention is integrally formed in the manner of silica gel injection molding; the technical steps of forming and mounting are saved; the cost is saved; the inclined port is used as the water absorbing port and the lug is arranged for limiting the inclined angle of the water absorbing port in a water scraping process, so that the close suction of the water absorbing port and a to-be-cleaned surface can be avoided and the smooth working process can be guaranteed.

A cleaner head assembly for a vacuum cleaner includes a cleaner head body pivotably attachable to a main body of a vacuum cleaner and a brush housing pivotably mounted on the cleaner head body, the brush housing having a suction opening, a brush bar mounted therein and a resilient member provided to bias the brush housing in a pivoting direction so as to urge a rear portion of the brush housing in an upward direction with respect to the cleaner head body. This configuration allows the brush housing to be doubly articulated with respect to the main body of the vacuum cleaner as it is biased by the resilient member in the pivoting direction such that the rear portion of the brush housing is urged in an upward direction with respect to the cleaner head body and the suction opening remains in a horizontal plane.

The invention relates to a magnetic module formed by a permanent magnet magnetic circuit and a magnetic circuit transformational structure, the magnetic module is characterized by consisting of a cover board, a rotary shaft component, a turntable component, a magnetic pole, an upper fixed shell, a lower fixed shell, a permanent magnet steel for the magnetic pole and a permanent magnet steel for turntable, wherein the turntable component is provided with four permanent magnet steels, and the adjacent magnetic poles are opposite; the lower part of the turntable component is provided with four corresponding magnetic poles; the four sides of each magnetic pole are provided with permanent magnet steels, each magnetic pole has a fixed polarity. When the polarity at the lower part of the turntable permanent magnet steel is the same as that of the corresponding magnetic pole, the whole magnetic module outwards generates a suction force, when the turntable component is rotated to 90 degrees, the polarity of the turntable permanent magnet steel and the polarity of the corresponding magnetic pole are opposite, the suction is not outwards generated.

The invention discloses a dust collector and a dust collector shell with retaining ribs. The dust collector shell with retaining ribs comprises an upper arc plate, side vertical plates and the retaining ribs; the upper arc plate refers to a single curved plate covering a roll brush; the side vertical plates are arranged at two shaft ends of the roll brush, and refer to flat plates connected with the upper arc plate perpendicularly; the retaining ribs extend from the lower surface of the upper arc plate downwards vertically and include a first retaining rib and a second retaining rib, the firstretaining rib and the second retaining rib are respectively perpendicularly connected with the side vertical plates on two sides of the upper arc plate, and a gap for air flowing is formed between the first retaining rib and the second retaining rib. Besides, the first retaining rib and the second retaining rib divide the space below the upper arc plate into a reflow cavity and a roll brush cavity for accommodating the roll brush, and the space of the roll brush cavity is greater than that of the reflow cavity. Based on low cost for improvement, change of air flow to the roll brush during dust collection is changed, disturbance of air flow is enhanced, and thus dust collection efficiency is improved while dirt on brush hair can be removed.

An apparatus for recovering refrigerant from an air conditioning system includes an evaporator arranged to receive the refrigerant from the air conditioning system and to separate it from impurities present in it, obtaining purified refrigerant, a compressor for circulating the purified refrigerant, a condenser, and a storage container arranged to contain the condensed refrigerant. The storage container defines a storage chamber arranged to contain a liquid phase of the refrigerant and a gaseous phase including a vapor component of the refrigerant and an air component. The apparatus also includes a measuring means configured to measure operating parameters of the refrigerant present in the storage chamber, purge device arranged at a purge opening configured to purge the gaseous phase present in the storage chamber responsive to the operating parameters, and at least one first separation chamber connected to the storage container.

A manipulator system for gripping an integrated circuit board is provided, comprising a jet printer, a vacuum tube, a jet printing suction cup, a manipulator, a manipulator controller, an industrial control computer, a jet printing controller, a conveyor belt, an image detection device and a vacuum ink feeding integrated tube, wherein the jet printer can distinguish different defective products, selectively sort and mark defective products, and can ensure that the integrated circuit board is not damaged when being grabbed and transported.

The invention discloses a floating roller traction drive card type card-issuing machine suitable for cards of different thickness. The machine comprises a chassis, a card holder, a mounting substrate, a traction device, a card-issuing device, a drive device and a control device. The mounting substrate is provided with a pair of traction bearing. The traction device comprises at least one traction mechanism. Each traction mechanism comprises a channel roller, a floating roller, a floating plate and a torsion spring, and the channel roller, the floating roller and the floating plate are arranged on the pair of the traction bearing. The channel rollers, the floating rollers and the floating plates are meshed through gear groups. Each channel roller is located below a floating roller. Each floating plate is hinged on a traction bearing. Each traction bearing is provided with a gap. Each floating roller is supported in a gap. The floating rollers and the floating plates are connected. A card-issuing channel is formed by a gap between a floating roller and a channel roller. Each torsion spring is arranged on a traction bearing. Each floating plate is pressed by the projecting end of a torsion spring. The card-issuing machine is capable of adjusting the gaps of the card-issuing channels, and is suitable for cards of different thickness.

The invention relates to a filtering box of a dust collector, comprising a box body, an upper cover provided with an air inlet and a filtering sponge arranged in the box body and further comprising a circular baffle, wherein the circular baffle is arranged above the filtering sponge in the box body below the air inlet; one side of the circular baffle, facing to the air inlet, is a convex surface; and the circular baffle is connected on the air inlet by a plurality of hanging springs. In the filtering box of the dust collector, the circular baffle is arranged at the part blocked by dust, namely below the air inlet so as to guide the gas flowing from the air inlet, the dust particles in the gas are dispersed on the area of the whole sponge instead of gathering at the circular area of the filtering sponge below the air inlet to cause blocking. Therefore, the dust does not block the air inlet of the filtering box, so the collecting capability of the dust collector is guaranteed.

The invention discloses a clean thermal recycling coke oven gas collecting pipe which belongs to the industrial kiln accessory field and comprises an outer casing and a liner. The gas collecting pipe is characterized in that the liner is composed of a primary adiabatic layer and a secondary adiabatic layer which is arranged between the primary adiabatic layer and the outer casing. The primary adiabatic layer is made of carburizing resistance mullite bricks which are packed through high temperature binders. The secondary adiabatic layer is made of insulation silicate material solidified through high aluminum binders. Compared with the prior art, the clean thermal recycling coke oven gas collecting pipe has the characteristics of light weight, high temperature resistance, low heat conduction, etc.

The invention provides a sucking disc structure. With the adoption of the sucking disc structure, an LCD (liquid crystal display) substrate and an FPC (flexible printed circuit) attached to the LCD substrate can be sucked to be combined. The sucking disc structure is characterized by comprising hierarchical multiple groups of sucking disc components, wherein the hierarchical multiple groups of sucking disc components are respectively connected with a drive device.

The invention relates to a sucking disc cover with convex ribs. The sucking disc cover comprises a casing with one open end, wherein a through hole is formed in the middle of the bottom face of the casing, an inner convex ring extending towards one side of an opening from the bottom face of the casing is arranged on the periphery of the through hole, and multiple convex ribs are arranged on the outer side of the inner convex ring. The invention further relates to a sucking disc. The sucking disc comprises a framework, wherein an elastic rubber body is wrapped on the framework, the back portion of the framework is provided with a connecting rod, and the sucking disc cover is sleeved on the connecting rod. The inner convex ring and the convex ribs on the sucking disc cover abut against the back portion of the elastic rubber body, and the back side of the sucking disc cover is provided with an abutting-against part abutting against the back portion of the sucking disc cover and connected with the connecting rod. The sucking disc is provided with the sucking disc cover, the inner convex ring and the convex ribs of the sucking disc cover abut against the back portion of the elastic rubber body, the pressure-exerting contact area between the sucking disc cover and the elastic rubber body is increased, and accordingly the sucking disc has enough vacuum suction force and friction force between the sucking disc and a basal plane in use.