15results about How to "Smooth extraction" patented technology

The utility model relates to the technical field of cosmetic packaging, in particular to a serum protein active water film vacuum fresh-keeping glass bottle packaging device. The device comprises a storage assembly and a pumping assembly, the pumping assembly is connected with the storage assembly and extracts objects stored in the storage assembly outwards, the pumping assembly is externally connected with a smearing assembly, sealing assemblies are installed on the storage assembly and the smearing assembly, and the sealing assemblies control opening and closing installation. The storage assembly is designed to be in vacuum sealing, contact between oxygen in air and a serum protein active water film is remarkably reduced, the oxidation risk is reduced, the shelf life of the product is prolonged, the pumping assembly can accurately control the dosage extracted each time, waste is avoided, meanwhile, it is ensured that the dosage used each time is consistent, and the service life of the product is prolonged. The pumping mechanism reduces the opportunity that fingers of a user make direct contact with the product, pollution risks are reduced, product sanitation is guaranteed, the external smearing assembly is designed to be suitable for direct use, intermediate operation steps are reduced, and the user can smear the product easily.

The utility model relates to the technical field of coal oil pumps, and discloses a coal oil pump device with an air valve, which comprises a shell, an oil pumping pipe assembly is arranged on the shell, the oil pumping pipe assembly comprises an oil suction pipe and an oil outlet pipe, a channel for communicating the oil suction pipe with the oil outlet pipe is arranged on the shell, an electric pump is arranged in the oil suction pipe, and a threaded cover is arranged on the shell. The threaded cover is used for being in threaded connection with an external oil storage container, the oil suction pipe is arranged on the inner side of the threaded cover, a cavity is formed in the inner side of the threaded cover, the shell comprises an inner cavity communicated with the outside, the shell is provided with a one-way communicated air valve, and the air valve is communicated from the inner cavity to the cavity. According to the coal oil pump device with the air valve, the air valve is simple in structure and low in production cost; and external air can be sucked through the air valve when negative pressure is generated in the oil storage container, so that the negative pressure in the oil storage container is balanced, subsequent smooth extraction of kerosene is guaranteed, the oil extraction efficiency is high, and the use experience is good.

The application discloses an automatic dehydration device and method for electrochemical descaling of circulating water, and relates to the technical field of electrochemical water treatment. The dehydration device comprises a sludge adjusting and storing pool, which is used for pre-dehydration treatment of slurry generated by descaling of an electrochemical device. The sludge adjusting and storing pool comprises a pool body, a stirring driving element and a stirring element. The stirring element is arranged in the pool body and comprises a main shaft, a scraper, an extrusion column and an extrusion reciprocating assembly. The output end of the stirring driving element is in transmission connection with the main shaft. The lower end of the main shaft is provided with the scraper, which is arched towards the rear of the rotating direction of the scraper. The extrusion column is located at the rear side of the scraper. The extrusion reciprocating assembly is used for driving the extrusion column to move reciprocally. The dehydration equipment and a sludge pump are arranged. The sludge pump is used for conveying sludge at the bottom of the sludge adjusting and storing pool to the dehydration equipment. The dehydration equipment is used for secondary dehydration treatment of the sludge. The application realizes staged dehydration of the slurry. In the pre-dehydration treatment, the cooperation of the scraper and the extrusion column can effectively prevent the sludge from being hardened.

The utility model provides a sundry fishing tool suitable for photovoltaic pile holes of multiple specifications. The sundry fishing tool suitable for the photovoltaic pile holes of the multiple specifications comprises a first frame rod and a second frame rod, the first frame rod is composed of a first steel pipe, a third lengthening rod and a first lengthening rod, and the second frame rod is composed of a second steel pipe, a fourth lengthening rod and a second lengthening rod; the first welding lug and the second welding lug are arranged on the first lengthening rod and the second lengthening rod respectively, and the same control spring is arranged between the first welding lug and the second welding lug. According to the sundry fishing tool suitable for the photovoltaic pile holes of the multiple specifications, the technical problem that after holes are drilled in the sandy soil geological environment, sand and stones on the tops and the inner walls of the holes fall into the holes due to vibration, and the subsequent concrete pouring quality is affected is solved.

The utility model provides a liquid material box and kitchen equipment with the same. The liquid material box comprises a box body, the box body is internally provided with a containing cavity, and a storage space for containing liquid materials is formed in the containing cavity; and the negative pressure prevention structure is arranged on the box body, the negative pressure prevention structure is provided with a conduction channel, and the containing cavity can be communicated with the atmosphere through the conduction channel. The problem that in the prior art, liquid cannot flow out due to the fact that negative pressure is formed when the liquid box extracts liquid is solved.

The invention discloses a cardiovascular internal medicine contrast agent injection device in the technical field of injectors, which comprises a needle cylinder, a pressing device is arranged at the top of the needle cylinder, a first partition plate and a second partition plate are fixedly connected in the needle cylinder, and the first partition plate and the second partition plate sequentially divide the interior of the needle cylinder into a first chamber, a second chamber and a third chamber; a transmission assembly is arranged in the third cavity and comprises a rack, one end of the rack is fixedly connected with the pressing device, the rack is meshed with a gear, the middle of the gear is fixedly connected with a connecting rod, and one end of the connecting rod is rotationally connected with the inner wall of the needle cylinder. According to the injection device, a contrast agent is stirred and heated through the synergistic effect of the rack, the gear, the stirring blades and the heating ball, and the complexity degree of operation of the injection device is reduced.

The utility model discloses a packaging structure of cylindrical winding type tearable towel cloth. The packaging structure comprises a packaging box, a supporting piece and the cylindrical winding type tearable towel cloth. The packaging box is a foldable paper box and is provided with a containing cavity. A drawing opening is formed in the top wall; the cylindrical winding type tearable towel cloth comprises an inner core and tearable towel cloth wound outside the inner core; the supporting piece comprises a supporting plate and a supporting core arranged on the supporting plate. The two supporting pieces are arranged on the inner sides of the two side walls correspondingly, and the supporting cores are rotatably connected to the two ends of the inner core. The tearable towel cloth is drawn out from the drawing opening, the supporting piece supports the barrel-shaped winding type tearable towel cloth to rotate in the containing cavity, and the supporting core provides supporting and positioning for rotation of the inner core; the top wall can be folded relative to the packaging box so as to open and close the accommodating cavity; the front end of the top wall is provided with an insertion lug, and the front wall is provided with an insertion groove. The plug-in lugs are inserted into the plug-in grooves to keep the top wall at the closed position; the packaging box has the advantages that the towel cloth is convenient to tear and smooth to draw, and the packaging box is low in cost, light and environment-friendly.

The invention discloses a coal-uranium resource stacking area radioactive water environment monitoring device which comprises a plurality of pre-buried sleeves and a remote control trolley, one side of the remote control trolley is fixedly connected with a vertical plate, one side of the vertical plate is slidably connected with a supporting plate, the vertical plate is provided with a lifting device, the lifting device drives the supporting plate to ascend and descend, the supporting plate is provided with an extraction device, and the extraction device at least comprises a hanging rod. The lower end of the suspender is provided with a first extraction cylinder, the upper end of the suspender is rotatably connected with a side rod, and the end of the side rod is fixedly connected with a second extraction cylinder. The side face of the vertical plate is fixedly connected with a first radioactivity detector and a second radioactivity detector, the first radioactivity detector corresponds to the first extraction cylinder, and the second radioactivity detector corresponds to the second extraction cylinder. The second extraction cylinder periodically ascends and descends, so that air conveniently enters the lower end of the second extraction cylinder, and a sample is conveniently and smoothly extracted.

This application relates to a segmented coal mine gas drainage hole enlargement support device, which includes an enlargement rod body, a main shaft fixedly connected to the enlargement rod body, and multiple identical enlargement support mechanisms arranged sequentially on the main shaft. Each segment of the enlargement support mechanism includes two positioning rings slidably connected to the main shaft. Multiple connecting rods are hinged to each of the two positioning rings, and the connecting rods are evenly distributed along the circumference of the positioning rings. The connecting rods on the two positioning rings are arranged one-to-one, and the ends of the corresponding connecting rods away from the positioning rings are hinged to a common positioning rod. Each positioning rod is fixedly connected to an arc-shaped support steel plate. A drive component is provided inside the main shaft for driving the positioning rings to move towards each other to expand the support steel plate or driving the positioning rings to move away from each other to contract the support steel plate. Each segment of the enlargement support structure corresponds to a different drive component. This application has the effect of effectively enlarging and reinforcing holes in soft coal seams where collapses occur.

The utility model discloses a drainage device for a gas extraction pipeline, and relates to the technical field of coal mining. Two ends of the confluence device are respectively connected with an extraction pipeline; lifting hooks are arranged at four corners of the top of the confluence device; the confluence device is hung at the top of a roadway through the lifting hooks; a water discharging pipe is arranged at the bottom of the confluence device and is connected with an automatic water discharging device; the device is convenient and fast to install, and manpower, material resources and sites are saved; efficient drainage is guaranteed through the automatic drainage device, the low-pressure extraction environment is maintained, and the efficiency is improved; the design of the slag removal opening facilitates maintenance, prevents blocking, reduces the failure rate, and provides support for stable operation of gas extraction operation.

The application belongs to the technical field of groundwater sampling devices, and discloses a groundwater sample collecting device and method for engineering geological survey, which comprises a sampling head and a sampling rod, and the sampling head is arranged at one end of the sampling rod; the sampling rod comprises an outer pipe body and an inner pipe body, a positive pressure connection inlet is arranged on the side wall of the outer pipe body away from the sampling head, an air outlet is arranged at one end of the outer pipe body close to the sampling head, a first air channel is arranged on the outer pipe body, and the positive pressure connection inlet is communicated with the air outlet through the first air channel; a negative pressure connection inlet is arranged at one end of the inner pipe body away from the sampling head, at least one sampling port is arranged on the sampling head, and the negative pressure connection inlet is communicated with the sampling port; the sampling head is further provided with a second air channel and a blowing port, the blowing port is arranged close to the corresponding sampling port, and the blowing port is communicated with the first air channel through the second air channel and the air outlet; a filter screen is arranged on the sampling port; compared with the prior art, the device has a better anti-silt blocking effect.

The present invention provides a fluid extraction device for oncology treatment, comprising: a barrel (1); an insertion needle (5); a piston (4); a first one-way valve (13), which is arranged on the barrel wall and configured to allow gas to be discharged from the barrel (1) through the first one-way valve (13) but prohibit gas from entering the barrel (1) through the first one-way valve (13); and a second one-way valve (14), which is arranged in the barrel (1), between the piston (4) and the insertion needle (5), and on the side of the first one-way valve (13) close to the insertion needle (5), and the second one-way valve (14) is configured to allow gas to enter the space between the piston (4) and the second one-way valve (14) in the barrel (1) through the second one-way valve (14) but prohibit gas from being discharged to the insertion needle (5) side through the second one-way valve (14). The fluid extraction device of the present invention can extract reciprocally, so that the extraction of the fluid is more thorough and the occurrence of extraction failure can be avoided.

The utility model discloses an oiling agent atomizing device of non-woven fabric hot air equipment, which relates to the technical field of non-woven fabrics and comprises an atomizing working bin, the top of the atomizing working bin is fixedly connected with a first one-way motor, an output rotating shaft of the first one-way motor is fixedly connected with a first linkage rod, and one end of the first linkage rod is rotatably connected with one end of a second linkage rod. The other end of the second linkage rod is rotationally connected with the top of a linkage swing rod, the bottom of the linkage swing rod is fixedly connected with a liquid passing pipeline, the bottom of the liquid passing pipeline is fixedly connected with an atomization opening, and the liquid passing pipeline is fixedly connected with an atomization controller through a liquid passing hose. According to the non-woven fabric spraying device, through the arrangement of the atomization working bin, the first one-way motor, the first linkage rod, the second linkage rod, a linkage swing rod, a liquid passing pipeline, an atomization opening, a liquid passing hose, an atomization controller and an oil inlet pipe, the effect of flexibly changing the spraying area can be effectively achieved, the non-woven fabric spraying device can adapt to non-woven fabrics with different widths, and the practical effect of the non-woven fabric spraying device is greatly improved.

The utility model discloses a structure for improving distortion of a paper feeding disc of a scanner, and relates to the technical field of paper feeding disc structures of scanners. The printer comprises a printer body, the right side of the printer body is fixedly connected with a supporting rod, the top of the supporting rod is fixedly connected with a supporting plate, the top of the supporting plate is in contact with a rotating plate, a telescopic rod is arranged above the rotating plate, a rotating hole is formed in the front face of the rotating plate, and the inner wall of the rotating hole is in contact with a small bidirectional threaded rod. A second rotating block is arranged, specifically, paper is placed on a rotating plate by pulling a telescopic rod, meanwhile, the second rotating block is rotated, the two moving plates position the size of the paper, the arrangement effect is achieved, after positioning is completed, the telescopic rod is loosened, a pulley exerts downward pressure on the paper, the situation that the paper falls too much at a time is prevented, and the paper quality is improved. And meanwhile, due to the arrangement of the pulleys, the printer can draw out paper more smoothly, the printer can be protected, and the paper can be conveniently positioned and arranged.

According to the telescopic micro-needle injector, in the using process, an injection mechanism is located in a needle cylinder, the situation that a needle needs to be installed again when medical workers use the injector is avoided, and therefore the risk that the medical workers are pricked possibly when the needle is installed is reduced. Especially when the injector is used for the first time, the clamping mechanism can effectively fix the injection mechanism, it is guaranteed that the connector of the injector is stable and reliable in the injection process, and medical staff can conveniently and smoothly inject or extract liquid medicine. After injection is completed, the clamping mechanism can relieve fixation of the injection mechanism and is in linkage with the push-pull rod, and therefore the injection mechanism is safely pulled back into the needle cylinder. By means of the design, the needle head of the syringe is prevented from being exposed after being used, and the possibility that medical workers are punctured by the needle head is reduced.