136results about How to "No worries" patented technology

The invention belongs to an automatic following trunk, and particularly relates to an automatic following trunk capable of carrying out quick high-robustness identification and positioning on the basis of binocular vision. The automatic following trunk relates to the near anti-interference target template local surf quick matching identification and the binocular vision ranging positioning of a small binocular camera, a target quick following algorithm of a single-chip microcomputer on the basis of fuzzy control, and the miniaturization embedded design of a controller. The automatic following trunk capable of carrying out the quick high-robustness identification and positioning on the basis of the binocular vision comprises a trunk body shell 1, a small binocular camera 2, a motor and driver thereof 3, a steering engine and driver thereof 4, a rolling pulley 5, a single chip microcomputer controller and a storage battery 7. The intelligent trunk only needs to be provided with the common binocular camera, the r microcomputer controller, the motor, the driver of the motor, the steering engine and the driver of the steering machine, is high in cost performance, and exhibits a good market prospect.

The present invention is spring driven energy accumulating starting device and method for automobile. The spring driven energy accumulating starting device set onto the rear axle assembly can convert the heat energy of braking friction into potential energy stored in the elastic steel ring, convert the elastic potential energy of starting into the kinetic energy to drive the rear wheels, recover and utilize the energy consumed in the frequent stopping and starting, and raise braking performance and safety. The spring driven energy accumulating starting device possesses one potential energy storing device including sealed container and spring box; one kinetic energy absorbing and potential energy releasing device including outer shaft, inner shaft and rolling bearing in between; and one speed variator with potential energy inputting gear set and potential energy releasing gear set.

The invention relates to a threaded-mount bottle washing apparatus and a threaded-mount bottle washing method. The threaded-mount bottle washing apparatus comprises a bottle washing mechanism, a bottle conveying mechanism for conveying a to-be-washed threaded-mouth bottle to the bottle washing mechanism, and a bottle receiving mechanism for receiving a washed threaded-mouth bottle. The bottle washing mechanism comprises a first support which is fixed. A horizontal extensible track capable of moving up and down is connected to the first support. A plurality of mechanical grippers for clamping the bottoms of threaded-mouth bottles are arranged at the lower side of the extensible track and are capable of rotating around an own axis thereof and sliding along the extensible track. A water tank is arranged below the extensible track. A hollow pipe capable of moving up and down is arranged in the water tank. A plurality of vertical supporting water inlet pipes communicating with the hollow pipe are arranged on the hollow pipe. A brush device directly facing a mechanical gripper is mounted at the upper end of each supporting water inlet pipe, and comprises a screw-type brush for matching with the mouths of the threaded-mouth bottles and a cylindrical brush. The threaded-mount bottle washing apparatus is simple in structure, and is capable of effectively washing threaded-mouth bottles, and especially capable of sufficiently washing the threaded mouths of the bottles.

An environment protection type multifunctional fuel is prepared from 7 primary components including light hydrocarbon, light oil, gasoline, diesel oil, etc and 20 secondary components including sodium hydroxide, water alcohol, hydrogen peroxide, etc. which are divided into 4 groups which take part in chemical reactions to generate cosolvent, oxygen increaser, combustion aid, smoke reducing agent, etc.

The invention relates to a process and a device for integrally producing substitute natural gas by coal gasification and methanation, which comprises the following steps: manufacturing the raw material coal into pulverized coal or coal water slurry; feeding the raw materials into a gasification furnace for partial oxidation reaction to generate a gas mixture; and enabling the gas mixture to enter a subsequent device for processing to obtain the substitute natural gas, wherein the gasification furnace and / or the subsequent device are subject to methanation catalysis and strengthen process, and the gas mixture generates a methanation reaction in the gasification furnace and / or the subsequent device. The devices comprise the following equipments: the gasification furnace, a dust filter, a gas chiller and / or a coal gas heat exchanger, wherein one or more of the devices are subject to the methanation catalysis and the strengthen process. The process and the device for integrally producing the substitute natural gas through the coal gasification and methanation provided by the invention has high cost efficiency and competitiveness.

A process for preparing pulp from the non-pith corn stalk and bleaching it without use of chlorine includes removing pith and leaves from corn stalk, cutting in to stalk pieces with 20-30 mm length digestion and PO bleaching twice. Its advantages are no need of wood and no chlorine pollution.

The present invention relates to the treating process of waste after bamboo fiber processing. The material including the bamboo fiber waste, dry material and livestock feces in the ratio of 1 to 0.01-0.5 to 0.01-0.5, the inoculum, the mixture of ammonium bicarbonate and zinc sulfate as additive and water are covered inside precipitation pond to compost to form the intermediate material. The intermediate material, dry material and water in certain proportion are fermented in fermenting tank or marsh gas tank. The present invention has the advantages of reasonable proportion of material, high marsh gas yield, and less environmental pollution.

The invention relates to an in-situ stress-free resurfacing welding repair process of the abrasion of a large-sized rotor journal. The process comprises the following steps of: (1), carrying out the preparation work of resurfacing welding, filing and shaping burrs, acute angles and the like at the abraded positions of the large-sized rotor journal, cleaning oil spots and rusty scales chemically, then removing repaired positions and covering fatigue layers; (2), carrying out stress-free resurfacing welding, melting a welding wire coldly by adopting a stress-free resurfacing welding machine, carrying out resurfacing welding without temperature rise on the abraded positions of the journal and remaining a processing redundancy; (3), carrying out rough grinding, then carrying out resurfacing welding on defects after rough grinding and afterwards carrying out polishing and fine grinding; and (4), finally, polishing to reach the required size of the rotor journal. The invention adopts a stress-free resurfacing welding technique, has high strength, good quality, high efficiency, short construction period and low cost, enables the in-situ high-quality repair of the abrasion of the large-sized rotor journal to become actual and provides powerful guarantee for the long-term safe running of a generator set; and a resurfacing welding layer and a rotor basal body are in metallurgical bonding.

The invention relates to a modified phenol-formaldehyde resin, its preparation method and application in preparation of non-corrosive phenolic foam. Its composition includes phenol, formaldehyde, basic catalyst, inorganic powder and solidification adjuvant, and its preparation method includes the following steps: firstly, mixing phenol, formaldehyde and basic catalyst, then adding inorganic powder, heating to make reaction, and adding solidification adjuvant, continuously reacting, cooling, adding acid to make neutralization and dehydrating; then mixing the modified phenol-formaldehyde resin, surfactant and foaming agent, the adding solidifying agent and baking so as to obtain the invented non-corrosive phenolic foam plastics. Its modification method is simple, the phenol-formaldehyde resin which can be foamed under the condition of weak acid can be obtained, finally the non-corrosive henolic foam plastics can be obtained, said resin can be well foamed, solidified when its pH is 4.0-6.0, and can be made into compact non-corrosive phenolic foam with good strength. It can use paraffins as foaming agent.

The invention discloses a production management method of production plans, dispatching, and inspection and acceptance of schedule. Based on a remote interaction platform, by synchronizing and sharingthe data between an operating department electronic equipment terminal, a command department electronic equipment terminal, a shop management department electronic equipment terminal, a quality checkstaff electronic equipment terminal and a shop production staff electronic equipment terminal and a background server, the production management method of production plans, dispatching, and inspection and acceptance of schedule can realize data collection and analysis of paperless dispatching and inspection and acceptance of schedule, and then by means of design of different report formats, the entered data can be reported and the production planes can be analyzed and the completion progress can be shown. Therefore, by means of the issuing mode of the one-line plan and the dispatching command, the production management method of production plans, dispatching, and inspection and acceptance of schedule can realize data visualization management, can avoid loss or error transmission of written manual leaflets, and can improve accuracy and rapidity of data, wherein the one line plan means that the command department can directly communicate with each shop manager and the command can directly arrive at front line shop production workers and the one line plan includes quality check and data inspection and acceptance of schedule.

The invention relates to a backup electrical power unit for a mobile phone, which comprises a circuit switching chip, backup batteries which are connected with one end of the circuit switching chip, and a backup battery box which is used for loading the backup batteries, wherein the other end of the circuit switching chip is connected with a main power supply of the mobile phone; and the circuit switching chip is integrated on a main circuit board of the mobile phone and connected with a main controller of the mobile phone through four communication interfaces. The backup electric power unit for the mobile phone has the advantages that the standby time of the mobile phone can be prolonged; the backup batteries are convenient and easy to acquire; the backup electrical power unit is convenient to carry; and users does not fear of trouble in the rear.

The invention discloses a cosmetic barb string. The cosmetic barb string is characterized by comprising a string body (1) made of PCL or PP or PLGA, the peripheral side wall of the string body (1) is provided with 3-5 rows of barbs (2), the string body (1) and the barbs (2) are integrally formed through the hot-pressing injection molding process, one barb in one row of barbs (2) and two adjacent barbs in the other two rows of barbs (2) are spirally distributed on the peripheral side wall of the string body (1), the two ends of the string body (1) are each provided with a smooth section without barbs, and the barb body of each barb (2) is a triangular prism, wherein the barb tips are bent in the same direction. In the use process of the cosmetic barb string, general anesthesia is not needed, the cosmetic barb string is implanted in the cortex of the human body through a minimally invasive incision, no scar is left, the effect is improved and is natural and lasting, and the cosmetic barb string is especially suitable for people who refuse surgery or can not undergo surgery but need cosmetology. The cosmetic barb string can be absorbed by the human body and gradually degraded and metabolized without residues, is safe to the human body and guarantees the safety without worries about future.

The invention discloses a weeding moisturizing material, a weeding moisturizing cloth and a preparation method. A weed killer is loaded on a non-woven fabric with polyethylene terephthalate (PET) as a raw material and composited with a super absorbent resin to form the weeding moisturizing material; according to the weeding moisturizing cloth, a bottom layer is a non-woven geotextile fabric, an upper layer is the non-woven fabric which is loaded with the weed killer and uses the PET as the raw material, a middle layer is the super absorbent resin, and the three layers are punctured and composited to form the weeding moisturizing cloth; and the preparation method of the weeding moisturizing cloth includes that the PET is spun into as-spun fibers, the obtained as-spun fibers are drafted and subjected to air flow spinning jet to form a fiber mesh, the obtainer fiber mesh is subjected to punching strengthening, an aqueous solution of weed killer is sprayed on the surface of the fiber mesh, the fiber mesh is dried to obtain the non-woven fabric which is loaded with the weed killer and uses the PET as the raw material, and the obtained three materials of the non-woven fabric, the super absorbent resin and the non-woven geotextile fabric are punctured and composited to form the weeding moisturizing cloth. The weeding moisturizing material and the weeding moisturizing cloth have the advantages that the weeding and moisturizing effects are good, the seedling raising costs are lowered, the weeding moisturizing material and the weeding moisturizing cloth are environment-friendly, and water and soil can be conserved. The preparation method of the weeding moisturizing cloth is simple, low in costs and capable of achieving massive industrialized production.

The invention relates to a technology for producing pure chlorogenic acid. The technology comprises the following steps: preparing water-extraction concentrate of chlorogenic acid from eucommia leaf powder and water, purifying the water-extraction concentrate, carrying out desorption and condensation so as to obtain a crude chlorogenic acid extract; dissolving the extract in water to obtain a chlorogenic acid water solution, adjusting the pH value of the solution, carrying out extraction so as to obtain a crude chlorogenic acid abstract, loading the abstract on a column, eluting the abstract with an organic solvent, emerging the elution solutions, and finally carrying out precipitation and recrystallization so as to obtain the pure chlorogenic acid. The extraction solvent is water, and thus the technology is green, environment-friendly, and pollution-free, and is benefit for industrial production. Before the extraction of crude chlorogenic acid, the crude chlorogenic acid is purified by resin, so the using amount of acid is prominently reduced, thus the discharge amount of waste acid is reduced, and the post-treatment cost is reduced. The technology is accord with the requirements of energy saving, discharge reduction, and green production, and is suitable for industrial production. The technology is simple, the operation is convenient, the macroporous adsorption resin and organic solvent can be repeatedly used, the comprehensive cost is low, and at the same time high purity chlorogenic acid can be obtained, so the technology is suitable for being applied to industrial production.

The invention relates to a compound wood-bamboo energy-absorbing and damping support structure, belonging to construction field. The support structure, applicable on wooden buildings, is made of wood and bamboo and comprises an energy-absorbing bamboo plate, wooden connecting pieces, and a wooden slanting support pole. The upper end and the lower end of the energy-absorbing bamboo plate are respectively connected with the wooden connecting pieces, and the wooden connecting piece at the lower end is also connected with the wooden slanting support pole. The support structure is respectively connected with upper and lower girders of a wooden frame of the building through the wooden connecting piece at the upper end and the wooden slanting support pole, and is fixed and installed in the wooden frame. The support structure is installed in the wooden frame which demands shock resistance and is simple in connection with the main body of the wooden frame, convenient to construct and reliable in force transmission and is simple to replace and maintain if being damaged in an earthquake. The support structure can be used to reduce earthquake impact on small wooden buildings to help small wooden buildings to avoid and minimize damages in earthquakes.

The invention relates to a decorative section which is prepared by the following raw materials by weight percent: 39%-71% of heavy calcium carbonate or mine tailing sand, 25%-50% of waste plastics and 4%-6% of chemical additives, wherein the chemical additives comprise the following components: heat stabilizer, stearic acid, chlorinated polyethylene, titanium dioxide, paraffin, antioxidant and anti-ultraviolet agent. The decorative section has the benefits of good heat conduction performance, good heat stability, good environmental protection performance, no thermal expansion and contraction, erosion resistance, antibacterial property, mothproof property, resistance to water soaking, fire resistance, flame retardancy, anti-skid property, no burst, good anti-deformation property, good electrostatic prevention, good elasticity, good product quality, greenness, environmental protection, capability of changing waste into treasure, and low cost.

A counter flow type heat exchanger provided with flat tubes comprises the flat tubes and fins, wherein sealing strips are mounted on two sides of each fin; the flat tubes and the fins are arranged alternatively in parallel; and the flowing directions of the flat tubes are parallel to the flowing directions of the fins outside the flat tubes, so that counter flow heating exchange is formed. The counter flow type heat exchanger provided with the flat tubes is compact in structure, small in occupied space, high in pressure resistance grade and wide in application range and can be used for an evaporator and a condenser taking carbon dioxide as a refrigerant, particularly large-scale heat exchange capability can be formed, the counter flow type heat exchanger is applicable to an evaporator and a condenser of a central air conditioner, the efficient evaporator and condenser allowing the refrigerant to pass through micro channels and water to flow from the outside of the micro channels are obtained, and energy is saved.

The invention relates to a water discharge and feeding structure switch and fittings of solar-energy water heater, without constant detection, but turning the switch controller to needed function position. When in idle discharge position, the stored hot water of tube can be utilized fully; in cold water feeding position, it can avoid overflow of cold water; and in hot water position, it can directly use the hot water, without discharging the cold water first. The invention also provides a wire-control water valve, a special descending hot water belt and special connecting fittings. The invention has simple structure, easy operation, and lower cost.

A psychological consultation robot includes an artificial ear (1) containing a recording device, an artificial skin (2), an artificial eye (3) having a photographic function, a brain psychological consultation system (4), an artificial mouth (5) capable of speaking a human language and a button (6). When the psychological counseling robot communicates with a user, the user's facial expression is collected through the eyes (3), the biomimetic skin (2) collects the body temperature of the user at any time, the ear (1) acquires the language of the user, the collected information is transmitted tothe brain psychological consultation system (4) for comparison and analysis to thereby obtain the appropriate scheme, and then is talked out by the mouth (5). The invention utilizes two technologiesof temperature collection and facial expression recognition to observe the emotional change of a person, the result is more accurate, and by the psychological consultation network system, the judgmenterror is not caused by the subjective factor of the person according to the rationality.

This invention relates to an L29 contact pin RF coaxial connector matched with 1 / 2' coaxial cable, which can either realize field quick installation or adapt with two kinds of cables of smooth pipes and ripple pipes at the same time and includes outer conductor 4 and outer conductor 7, in which, one side of 4 is internal conductor 2, insulation support piece 3 is set between 2 and 4 as the main support of internal conductor 2 and insulation support piece 6 is set between internal conductor 2 and outer conductor 4 as the assistant support of 2.

An antibacterial card features that an antibacterial transparent oil layer is printed on its both surfaces of suppressing bacteria by more than 64%. Said antibacterial transparent oil is composed of a protective transparent oil and the antibacterial nanoparticles which contains positive Ag ions (3.6%), Na (1.32%) and zirconium phosphate (95%).

The invention belongs to the technical field of fungus biological medicine application, and particularly relates to a styela plicata-derived fungus and application thereof. The styela plicata-derived fungus, Beauveria felina fungus strain SYSU-MS7908, can be metabolized to synthesize a pyridine-containing novel skeleton meroterpenoid compound--amphichoterpenoid. Experimental verification shows that the compound has remarkable acetylcholinesterase activity resistance, and has a good development prospect in the preparation of medicines for preventing and / or treating acetylcholinesterase-mediated diseases; and modern microbial fermentation engineering technology is used for reproduction, and worries about raw materials are avoided. Meanwhile, the invention has the advantages that ecological balance is not destroyed, industrialization is easy to achieve, etc. The styela plicata-derived fungus is a renewable drug resource with development prospects, and abundant raw materials are provided for research and development of marine microbial products and marine microbial drugs.

The invention discloses a combined type health sleeping bag, comprising a body, a pillow, a warm keeping exercise mat and other members, wherein, the pillow is arranged on the body and the warm exercise mat is arranged inside the body in a connecting manner. Zippers at both sides of the cover part and the supporting part of the body and the on and off of agrafes between the cover part and the supporting part inside the pocket opening of the body are greatly convenient for infants to get in and out of the bag body. A pair of corresponding upper and lower nylon thread gluing is arranged betweenthe backside of the pillow on the body and the supporting part; the nylon thread gluing on the backside of the pillow is partial to the longitudinal center line of the pillow. The arrangement of the warm keeping exercise mat in the space of sleeping bag of the body can be adjusted, which not only leads the body to be suitable for infants with different heights in growing period to use, but also can prevent the feet ends of the laying infant from having much space, thus achieving optical warm keeping effect. The surface of the warm keeping exercise mat is provided with salient points, thus leading the combined type health sleeping bag to be more beneficial for healthy growth of infants when the sole acupoint of the laying infant and the warm keeping exercise mat occur friction.

The invention discloses a preparation method of an environmentally-friendly halogen-free cold-stamping molded composite aluminum foil material. A technical scheme adopted in the invention is characterized in that the method comprises the following steps: 1, chemical conversion treatment of an aluminum foil: carrying out chemical treatment of the aluminum foil through adopting a tannic acid treatment process, a phytic acid coating and silane coupling agent promotion method or an organosilane process to form a conversion layer on the aluminum foil; 2, uniformly coating the conversion layer of the aluminum foil with a heat sealing layer material by adopting a hot pressing technology; 3, uniformly coating the aluminum foil surface of a composite material prepared in step 2 with a special adhesive for polyurethane aluminum foil, and compounding with a nylon layer after a solvent volatilizes to prepare a composite aluminum foil material; and 4, carrying out heat treatment of the prepared composite aluminum foil material in a 60-80DEG C drying room for 12-24h, cutting, examining and warehousing. The composite aluminum foil material prepared in the invention has the advantages of halogen-free nontoxic components, good barrier property and long shelf life, and is very suitable for solid medicinal packaging because of its comprehensive properties.

The invention relates to the field of the medical technology, in particular to a multifunctional biological preparation. The multifunctional biological preparation comprises the following components comprising, by mass, 831-856 parts of water, 50 parts of glycerin, 50 parts of propylene glycol, 6 parts of carbomer, 0-6 parts of radix sophorae flavescentis extract, 5 parts of houttuynia cordata extract, 1-2 parts of chitin, 10 parts of cellulose, 5-20 parts of motherwort extract, 0-1 part of hyaluronic acid, 5 parts of borneol, 0-3.5 parts of ethyl alcohol, 1 part of chlorhexidine acetate, 0-0.5 part of peppermint oil and 0-20 parts of common cnidium fruits. The multifunctional biological preparation can significantly improve the immunity, especially the immunity of the genital system and significantly relieve the dysmenorrheal symptom. The multifunctional biological preparation can significantly improve the health state and the youthful state of the genital system and comprehensively solve various genital problems.

The invention relates to mulberry noodles and a processing method thereof. The existing mulberry noodle production process is complex, the formula raw materials are many and miscellaneous, the proportion of the functional raw materials especially the mulberry is extremely low, and so many raw materials are mixed, the sour, sweet and bitter tastes are mixed, and even worse, the pure original taste of the mulberry is lost; besides, the nutritional ingredients of the various raw materials cannot be absorbed well; such a process is high in cost and not suitable for civilians to eat. The mulberry noodles are used for overcoming the defects; wheat flour, mulberry pulp, edible salt and sodium carbonate are proportionally added and mixed, aged, calendered, cut into strips, dried, cut, weighed and packaged. The mulberry noodles are wide in raw material source and simple in process; the obtained product is palatably sour and sweet with the fruity flavor of the mulberry, and is rich in nutrition; besides, the obtained product contains functional ingredients such as resveratrol for preventing cardiovascular diseases and resisting cancer, and is a household staple food which is mutually beneficial and complementary, balanced in nutrition and integrated with nutrition and health care.

The invention discloses a manufacture method of a plastic faucet body. The method comprises the following steps of: (1) machining a metal insert; (2) respectively plugging a first plug and a second plug at both ends of the metal insert; (3) positioning the metal insert in a die cavity for forming a drainage pipe in a die, abutting the first plug on a first male die and abutting the second plug on a second male die; (4) injecting and forming; (5) removing the second plug at the end part of the metal insert and digging a hole in a wall between a valve core seat and an intake pipe; (6) digging a drain hole in the outer periphery of one end of the metal insert arranged in the drain hole end of the drainage pipe; and (7) machining internal threads on the inner wall of the valve core seat. The manufacture method of the plastic faucet body is convenient to machine, can be used for machining a drainage pipe into an elbow, particularly a complicated-shaped elbow of a plastic faucet, and the drainage pipe of the machined plastic faucet body is watertight.

The invention relates to an L29 type bent type inserting needle contact element radio-frequency connector connected with a 1 / 2' super flexible cable in a matching mode. Field rapid installation can be achieved, the L29 type bent type inserting needle contact element radio-frequency connector can be connected with 1 / 2' super flexible coaxial cables of different manufacturers in a matching mode, and generality of products is improved. The L29 type bent type inserting needle contact element radio-frequency connector connected with the 1 / 2' super flexible cable in the matching mode comprises a first outer conductor, a second outer conductor and a third outer conductor, the third outer conductor is connected with a connecting screw sleeve, a cable clamp is arranged at one end of the first outer conductor, a first sealing piece is arranged between the third outer conductor and the connecting screw sleeve, a second sealing piece is arranged between the second outer conductor and the third outer conductor, a third sealing piece is connected on the first outer conductor in a matching mode, and a fourth sealing piece is arranged between the first outer conductor and the second outer conductor.

The invention discloses a portable fingerprint lock. The portable fingerprint lock comprises a face shell, a bottom shell, a steel wire and a fingerprint identifier, wherein LED indicator lamps and atransparent lampshade are arranged on the periphery of the fingerprint identifier. A circuit board assembly is arranged inside the fingerprint identifier, and a lithium battery is arranged between thecircuit board assembly and the bottom shell. The circuit board assembly is provided with an MCU processor and a buzzer. A speed reducing motor is arranged on one side of the face shell, a cam is arranged on a shaft of the speed reducing motor, the speed reducing motor is internally provided with a lock clamp which can rotate from the lock hole in a rotating mode, and the lower part of the lock clamp is provided with a torsion spring. One end of a lock hole is a round hole, the other end of the lock hole is a slightly-narrow flat hole, and the flat hole communicates with the round hole. One end of the steel wire is fixed on the surface shell and the bottom shell, the other end of the steel wire is fixedly connected with a spherical head, the spherical head is inserted into the lock hole, and the spherical head is clamped into the semi-arc end of the lock hole. A sliding block is arranged on the upper portion of one side of the lock clamp, and the two ends of the sliding block are of anarch structure, the front end of the sliding block abuts against the lock clamp, and the rear end of the sliding block abuts against a stop block arranged in a fixing seat groove. The portable fingerprint lock is novel and unique in structure, simple, convenient and practical, low in cost and high in reliability.

A water fountain without secondary pollution, a coordinated drinking water barrel and the operation method of the water fountain are characterized in that a smart rack of the water fountain is provided with a water storing distributor, an inlet of which is directly connected with an opening of the water barrel; an outlet of the water storing distributor is respectively connected with a direct heated type electric water heater and a cold water cutting door; the direct heated type electric water heater is provided with a direct heated thermoelectric element inside; a water outlet end of the direct heated type electric water heater is connected with a hot water cutting door. The auxiliary complement is a filling water barrel without secondary pollution; a gas storing film liner is mounted at a barrel bottom cover; when the cutting door of the water fountain is opened, the water flows out from the cutting door along with the deadweight; the space for naturally air entering is produced by an air inlet hole of the barrel bottom cover, and the gas storing film liner inside the barrel body gradually expands to ensures that the barrel water bears the balanced atmosphere pressure and the water is naturally discharged along with the deadweight. The complete transportation and storage of the water fountain are highly closed, and at the same time the water fountain does not have secondary pollution step and is a water drinking device which can ensure the high standard and the high grade of the quality of the water supply. The device has reasonable structure and is simple and practical and is the necessity of the living.