158results about How to "Easy to seal" patented technology

The invention discloses a closing method of a dewatering well in an underground structure, which is used for a dewatering well arranged at the bottom of the underground structure in a foundation pit. The method comprises the following steps of: arranging a dewatering pipe in the dewatering well, connecting the lower port of the dewatering pipe with a water pump, drawing out the upper port of the dewatering pipe from one side through the inside of a concrete base plate to be cast, moving the upper port of the dewatering pipe upwards along the foundation pit, and placing in a position higher than the underground water level; or drawing the upper port of the dewatering pipe through the inside of the concrete base plate to be cast, moving upwards with a concrete wall to be cast, which is connected with the concrete base plate into a whole, placing in a position higher than the underground water level, then starting a water pump to carry out dewatering operation, casting the concrete base plate and a side wall, stopping the dewatering operation after the concrete is set to a specified strength, and finally blocking the upper port of the dewatering pipe. The invention not only reduces the groundwater pressure at the closing part of the dewatering well, but also simplifies the closing process of the water drain pipe, thereby avoiding the water leakage of the structure as a result of the incorrect closing of the water drain pipe.

The piston 10 is constituted so as to rotate relative to the first cylinder 8 while moving relative to the first cylinder 8 in the axial direction when fluid is supplied to and discharged from the interior of the first cylinder 8, and the piston 16 is constituted to be incapable of rotation relative to the second cylinder 9, but capable of movement relative to the second cylinder 9 in the axial direction. Hence when fluid is supplied to and discharged from the interior of the first cylinder 8, the piston 10 is caused to rotate relative to the first cylinder 8 while moving relative to the first cylinder 8 in the axial direction, and the piston 16 is caused to move relative to the second cylinder 9 in the axial direction but prevented from rotating relative to the second cylinder 9. As a result, torsional elasticity is generated in shaft portions 4a and 5a.

The invention relates to an ultrasonic energy converter cooling system, wherein an ultrasonic energy converter comprising a magnetic core assembly carries out direct evaporative cooling on an inner cavity and an outer cavity of the ultrasonic energy converter. The system comprises a compressor, a condenser, a throttle element, an evaporator and an electro-acoustics conversion device. The evaporator comprises a main shaft, a radial slot, an annular channel, a double-ended bolt, a magnetic core assembly, a magnetic core inner cavity, a magnetic core outer cavity, a rear cover plate, an oil return slot, an upper casing, a decoupling ring, a decoupling oil gas hole, a lower casing, and a liquid inlet, wherein the liquid inlet is connected with a central hole of the double-ended bolt, and the two outlets of the central hole of the double-ended bolt are communicated with the magnetic core inner cavity. The ultrasonic energy converter cooling system adopts steam compressing regeneration principle to form regeneration circulation, the refrigerant takes away heat quality in the inner cavity of the electro-acoustics conversion device to make the ultrasonic energy converter to work in the predetermined temperature range under the action of the temperature control system.

The invention relates to the technical field of sample containers, in particular to a sample storage device for medical examination. The sample storage device for medical examination comprises a heatinsulation box and a heat insulation box cover, wherein a sample storage block is arranged in the heat insulation box; a plurality of sample storage block fixing columns are fixedly connected to the bottom part of the sample storage block; the other ends of the sample storage block fixing columns are movably inserted to an inner bottom wall of the heat insulation box; sample fixing chambers are arranged in the sample storage block; limiting holes are formed in a left side wall and a right side wall of the sample storage block; a sterilization cover is matched above the sample storage block; aplurality of ultraviolet sterilizing lamps are arranged in the sterilization cover; one ends of connecting rods are hinged to the lower end of the sterilization cover; the other ends of the connectingrods are hinged with one ends of L-shaped rods; the other sections of the L-shaped rods are movably inserted into the limiting holes; and the heat insulation box cover is matched above the heat insulation box. The sample storage device for medical examination provided by the invention is simple in structure, can well overcome the defects that a sample is easy to shake and pollute during a movingor inspection waiting process, and higher in practicability.

The invention discloses a steel bar derusting device with debris treatment function, which comprises a support frame, a rust removal cylinder and a debris collection frame; The bottom of the derusting cylinder is provided with a partition, the center of the left end of the derusting cylinder is connected to the rotating shaft, and the rotating shaft is connected to the first motor that drives it to rotate. There are floating grinding balls, an opening is opened on the right side plate of the derusting cylinder, and a matching closing plate is provided on the right side of the opening; the derusting cylinder is equidistantly provided with multiple groups of leakage holes along the length direction; A through hole is opened at the center of the partition; the debris collection frame is located under the partition, and the opening of the debris collection frame faces the through hole. The invention can effectively complete the derusting work of steel bars, and at the same time facilitates the collection of debris generated during the derusting process.

The invention provides a turbidity sensor in marine acoustics, which comprises a column cavity with sealed ends, a transducer and an opposite baffle board arranged in/out one cavity end, and a circuit box in cavity, a ling through port on another cavity end to lead out the output signal from circuit box through the port to a data treatment system by cable, and sealing material arranged between port and cable. This invention is easy to manufacture, has no limit to pressure resistance and sealing, and has simple structure with accurate detection.

The invention relates to a push fork locking structure for hair scissors. The push fork locking structure comprises a housing, a push fork, a regulating push key and a lock catch button, wherein the push fork is positioned in the housing and is used for pushing a moving blade; the regulating push key is arranged outside the housing and is used for pushing the push fork to move; the lock catch button moves synchronously with the regulating push key; the push fork is in sliding fit with the housing; the inner side wall of the housing is provided with tooth spaces; the side edges of the push fork are provided with limit control rods matched with the tooth spaces; a locking groove is formed at the positions, which correspond to the lock catch button, on the push fork; a lock catch engaged with the locking groove is arranged on the lock catch button; a returning spring is arranged between the lock catch button and the push fork.

The invention discloses a low-temperature plasma scalpel with an integrated three-dimensional electrode. The low-temperature plasma scalpel comprises a scalpel head handle, a steel tube and a ceramic head, wherein a through hole is formed in the scalpel head handle; the steel tube is connected with the front end of the through hole of the scalpel head handle; the ceramic head is connected with the steel tube; at least one perforation is formed in a side part of the ceramic head; the integrated three-dimensional electrode used for cutting, ablating and coagulating tissues is inserted into the perforation; and an absorption cavity used for absorbing the cut tissues is formed in a middle part of the ceramic head. According to the low-temperature plasma scalpel provided by the invention, the plugging problem of the plasma scalpel head in the actual application process can be effectively solved, offset does not exist in assembly of the ceramic head and the steel tube, and normal saline can be perfectly guided onto the integrated three-dimensional electrode on the ceramic head. Moreover, the low-temperature plasma scalpel disclosed by the invention is simple in insulating treatment, easy to assemble and high in quality and stability.

A casket or urn container having a multiple seal arrangement that provides for easy sealing and essentially permanent closure of the container. A redundant sealing system is provided to ensure that an initial seal breach does not allow the interchange of gases, solids, or liquids between the container and the external environment.

The invention discloses an automobile gear shifting operation high-low temperature reliability test bed, which comprises a gear selecting and shifting mechanism and a load simulation mechanism, wherein the gear selecting and shifting mechanism is connected with a transmission shaft, the transmission shaft penetrates into a high-low temperature box from the side face of the high-low temperature boxand is connected with a gear shifter, and the transmission shaft moves or rotates under the action of the gear selecting and shifting mechanism to achieve gear selecting or gear shifting of the gearshifter; the load simulation mechanism comprises an inhaul cable assembly and a load simulation assembly connected with one end of the inhaul cable assembly, and the other end of the inhaul cable assembly penetrates into the high-low temperature box from the side face of the high-low temperature box and is connected with the output end of the gear shifter. The invention aims to provide the automobile gear shifting operation high-low temperature reliability test bed, by designing the gear selecting and shifting mechanism and the load simulating mechanism which are better and more reasonable, anotch formed in the high-low temperature box in the prior art is changed, so that the sealing problem of the high-low temperature box during working is reduced, normal operation of the automobile gearshifting operation high-low temperature reliability test is guaranteed, and experiment errors are reduced.

The invention discloses a photocuring micro-fluidic chip based on an elastic support body and a preparation method and application thereof, the photocuring micro-fluidic chip comprises a channel structure layer and a sealing layer, the channel structure layer comprises a photocuring layer containing a channel structure and an elastic support body used for supporting the photocuring layer; the elastic support body and the photocuring layer are connected through covalent bonding or adhesion; the photocuring layer containing the channel structure is formed by covering a mold with a photocuring raw material and curing after light irradiation; the elastic support body comprises a body layer and a selectively added connecting layer. The photocuring micro-fluidic chip has no special limitation on photocuring materials and mold types so that the whole chip processing process can be carried out at room temperature in an atmospheric environment; in addition, punching, sealing, cutting, external pipeline connection and the like of the chip are simpler, more convenient and quicker, so that the chip is suitable for carrying out design and development of a micro-fluidic chip prototype in a conventional laboratory, and also has good batch production potential.

Provided is a method of producing a microneedle array unit which is capable of suppressing damage to a microneedle array. The method of producing a microneedle array unit, including an array preparing step of preparing a microneedle array which includes a sheet and a plurality of needles arranged on one surface of the sheet; a container preparing step of preparing a container which includes an accommodating portion defining an opening and a space for accommodating the microneedle array, and a deformable portion disposed on a side opposite to the opening and integrated with the accommodating portion; an accommodating step of accommodating the microneedle array in the accommodating portion of the container by allowing the other surface of the sheet of the microneedle array and the deformable portion of the container to oppose each other; and a deforming step of deforming an outer surface of the accommodating portion inward, which is positioned between the one surface of the sheet of the microneedle array and the opening of the accommodating portion, to form a protrusion that reduces an area of the opening.

The invention discloses an anti-collision protection guardrail of a road bridge, and relates to the technical field of road guardrail devices. The guardrail comprises protection mechanisms evenly laidalong a road; each protection mechanism comprises a bottom plate, and a protection device and a trigger device are installed at the upper end of each bottom plate; each protection device comprises amain shaft and an armrest; each main shaft is rotatably sleeved with a sleeve; the front and rear sides of each main shaft are sleeved with torsion springs respectively; a horizontal main pedal is fixedly connected to the left side of each sleeve; a subsidiary pedal is rotatably connected to the left end of each main pedal through a rotating shaft; a tension spring is fixedly connected to the leftend of each bracket; when springs are in a compressed state, insertion rods are located in grooves; each trigger device comprises a support plate; explosive packages are arranged at the bottoms in guiding pipes; the guiding pipes are sleeved with starting compression springs; starting rods are slidingly connected into support pipes. The anti-collision protection guardrail has the advantages thatwhen a vehicle crashes into the roadside guardrail, the collision damage of the vehicle is reduced, pedestrians at the inside side streets of the road are protected, and the damage to the pedestriansis reduced.

The invention discloses a waterproof and dustproof electric control box cooling structure, which belongs to the technical field of automobile electric control. The waterproof and dustproof electric control box cooling structure comprises a box cover and a box bottom, wherein the box cover and the box bottom are matched; the box cover covers the box bottom; the surface where the box cover and the box bottom are matched is provided with a boss; the matching surface of the box bottom is provided with a sealing groove; the bottom part of the sealing groove is provided with a discharge port; the boss has an inverted trapezoidal section; a sealing ring is arranged between the top surface of the boss and the bottom surface of the sealing groove; the inner side of the sealing ring is provided with an exhaust groove; the top surface of the box bottom is provided with a groove; the groove and the lower matching surface of the box cover surround a cooling hole; and the cooling hole is communicated with the exhaust groove and the discharge port. Through arranging the cooling hole at the inner side of the box bottom, the outlet end of the cooling hole faces an inclined surface, heat is guided, hot air flow is exhausted more easily from the cooling hole and then exhausted outside the box body via the exhaust groove of the sealing ring and the discharge port, and better cooling effects are realized.

The fluorescent lamp uses the electronic ballast. The vitaglass tube is utilized for the lamp tube. fluoresent powder material is coated on the inner surface. The constituent of fluoresent powder chemical material is as following (weight): Sr 18.93%-24.71%, Mg 3.15%-3.32%, Al 17.4%-24.36%, O 26.6%-30.22%, Ce 8.22%-11.50% etc. The constituent of chemical material of the vitaglass tube is as following (weight): SiO2 72%-73%, Na2O 6.7%-7.3%, K2O 9.7%-10.3%, B2O3 3.1%-3.5% etc.

A pressure relief valve convenient for fixed installation, mainly including a pressure relief valve body, a first positioning plate, a fixing sleeve and a locking screw, one positioning plate is symmetrically fixed inside the valve port, and the other positioning plate is fixed on the pipeline , connect the two positioning discs through the guide screw, so as to realize the connection between the pipe and the valve port, avoid the pipe from falling and slipping out of the valve port, and at the same time use 4 locking screws symmetrically installed on the fixed sleeve to stabilize the pipe The fixing of the pipe and the valve port can be accurately connected and installed, and the pipe is advanced by adjusting the position of the positioning plate on the lead screw, and there is a certain gap between the positioning plates, which is convenient for the staff to seal the connection between the pipe and the valve port , the overall structure is stable, easy to disassemble and install, and can quickly realize the fixed installation of the pressure relief valve.

The invention discloses an evaporator in a high-temperature and high-pressure natural-circulation dry quenching waste heat boiler. The main technical scheme is as following: the evaporator adopts a natural-circulation style; the pipes forming the evaporator are all arranged into a horizontal disposition structure and adopt light tubes or extended surface tubes. Owing to adopting a complete horizontal-disposition evaporator in the dry quenching waste heat boiler, the arrangement of the heating surface in a vertical flue is more convenient and the workload of manufacturing and maintenance is greatly reduced; besides, the round through holes formed by the horizontal pipes extracted out of the vertical flue are also convenient for a treatment in a sealing way.

The invention relates to a screening method and a screening device used for coal dressing and ore dressing, in particular to a pendulum shaft screening method and a pendulum shaft screening machine thereof. The machine consists of a screening surface, sieve pores and a plurality of pendulum shafts arranged side by side on the screening surface frame, wherein a plurality of wings are correspondingly arranged on each pendulum shaft; the wings on adjacent shafts are arranged in a staggered way; clearances between the adjacent shafts and clearances between the wings on the adjacent shafts form the sieve pores. Particles of large size in the materials to be screened are tossed up by the wings on the pendulum shafts, while the materials of fine particle size run through the clearances between the materials and are leaked through the clearances between the adjacent shafts onto the wings, and then are leaked through the sieve pores formed by the clearances between the adjacent shafts and the wings on the adjacent shafts to below the screen, achieving the screening operation. The screening device has the advantages of simple structure, convenient maintenance, non-vibration of the screening frame, low energy consumption, high efficiency, less noise and vibration, flexibility in layout; and compared with vibrating screen, the device also has the advantages of solid structure, silent work, reliable performance, and the advantage that the screened materials can be extremely easily collected. The device is especially applicable for the screening of crude coal and various sticky materials.

The invention relates to the technical field of flange structures, and discloses a flange structure with the pipe diameter easy to adjust and mount. The flange structure comprises a first pipeline, afirst flange is arranged on the outer surface of the first pipeline, a limiting groove is formed in the top of the first flange, the first flange is provided with a limiting rod, the other end of thelimiting rod is provided with a pull block, a connecting rod is arranged on one side of the bottom of an inner cavity of the limiting groove, a movable block is arranged in the middle of the outer surface of the connecting rod, a top block is arranged on the top of the connecting rod, and the bottom of the movable block and the inner wall of the limiting groove are in transmission connection through a spring located on the connecting rod. According to the flange structure with the pipe diameter easy to adjust and mount, through cooperation of the limiting rod, the connecting rod, the movable block and the spring, the first flange and the first pipeline can be conveniently and better fixedly connected together, the problem that in the connecting process of the first flange and the first pipeline, welding is carried out through the welding device is solved, and the portability of mounting in the first flange can be improved.

The invention discloses a sealant for an aluminum alloy anode oxide film and a preparing method for the sealant. The sealant contains Cu(NH3)4(OH)2 with the cupric ion molar concentration ranging from 0.05 mol/L to 3.0 mol/L, and the sealant further contains celluloses with the weight percentage ranging from 0 to 6%. The preparing method includes the steps that a solution of the Cu(NH3)4(OH)2 with the cupric ion molar concentration ranging from 0.05 mol/L to 3.0 mol/L is firstly prepared, the celluloses with the weight percentage ranging from 0 to 6% is added into the solution, even mixing and stirring are carried out, and the sealant for the aluminum alloy anode oxide film is obtained. The sealant is used for hole sealing of the aluminum alloy anode oxide film, the hole sealing quality completely meets the requirement for being smaller than or equal to 30 mg/dm<2> in the EN12372-7 standard, a product exists in a manner of a complex, the stability is good, and the product completely meets the environmental requirement.

The invention relates to a packaging bag, in particular to a yin and yang standing zippered bag, and belongs to the technical field of packaging bags. According to the technical scheme, the yin and yang standing zippered bag comprises a standing bag body, the standing bag body comprises a first thin film surface and a second thin film surface, the lower portion of the first thin film surface and the lower portion of the second thin film surface are connected through a bag bottom, and a zipper used for connecting the first thin film surface and the second thin film surface and capable of forming a confined space is arranged above the bag bottom. The first thin film surface comprises a first polyester film layer and a first polyethylene film layer bonded on the first polyester film layer. The second thin film surface comprises a second polyester film layer, an aluminum foil layer is bonded on the second polyester film layer, and a second polyethylene layer is bonded on the aluminum foil layer. The yin and yang standing zippered bag is simple and compact in structure, convenient to use and capable of being set according to needs, improves information amount, and is wide in application range, safe and reliable.

The present invention provides a packaging unit for hygiene articles and a method of forming such a unit. The packaging unit is formed from a sheet of material having an inner surface and an outer surface, wherein the inner surface comprises an edge zone comprising an inner edge portion and an outer edge portion. The sheet has at least one first folding axis, dividing the sheet in to a first region and a second region. One of the inner edge portion and the outer edge portion of the edge zone of the first region is provided with resealable adhesive, thus forming a first adhesive zone, and the other of the inner edge portion and the outer edge portion of the edge zone of the first region is adhesive-free. Further, the inner edge portion or the outer edge portion of the edge zone of the second region corresponding to the adhesive-carrying edge portion of the first region is adhesive-free, such that when the sheet is folded about the first folding axis, the edge portions carrying resealable adhesive in the first region are brought in contact with the adhesive-free edge portions in the second region. A distance between the at least one first folding axis and the first adhesive zone is 1-20mm, preferably 2-18mm, more preferably 3-15mm.

The invention discloses an atomization motor having an automatic water absorption function and provided with a suction feeding type atomizing disc. The atomization motor having the automatic water absorption function and provided with the suction feeding type atomizing disc comprises a water pump, a motor, a water regulating valve, the atomizing disc and a water feeding device, wherein the motor is provided with a rotary shaft with double heads, one end of the rotary shaft is connected with the water pump, the atomizing disc is arranged at the other end of the rotary shaft in a sleeved mode through a fixing cap the water regulating valve is installed at the position of a water outlet of the water pump, the water feeding device is fixed on the end portion, close to the atomizing disc, of the motor through a fixing device, one end of the water feeding device is connected with the water regulating valve through a connecting pipe, and the other end of the water feeding device extends to a position between an annular protrusion of the atomizing disc and a suction feeding vane. The atomization motor having the automatic water absorption function and provided with the suction feeding type atomizing disc has the advantages that due to the fact that the water feeding device is separated from the motor, all parts of an atomizer are mutually independent, the motor cannot be affected with damp easily, water can not enter the motor easily, the structure is simpler, installation is more convenient, the external regulating valve can be directly used for adjusting the amount of water to be atomized, and then different atomization effects can be achieved.