38results about How to "Large expansion volume" patented technology

The invention belongs to the technical field of flowerpots, in particular to a flowerpot with a water supplement function. The flowerpot comprises a pot body, a pot edge is arranged on the circular side wall of the pot body, a plurality of first chambers and a plurality of second chambers are arranged on the inner wall of the pot body, the first chambers are in one-to-one corresponding to the second chambers, the first chambers are arranged in the pot body among the second chambers and the pot edge, air bags arranged on the top surfaces of the first chambers and can only vertically expand andcontract, the middle side walls of the air bags are fixedly connected with the inner walls of the first chambers, first arc-shaped piston plates are slidably and hermetically connected in the first chambers, the upper ends of the first arc-shaped piston plates are fixedly connected with the lower ends of the air bags, a water spraying opening is formed in the inner wall of one end, far away from the pot edge, of each second chamber, the water spraying openings approach to top surfaces of the second chambers, and third chambers are arranged on the inner wall of the pot body. The flowerpot can automatically supplement water for upper soil in high temperature weather of sun shine and has a sunscreen effect on planted young seedlings.

The invention discloses a low-density deketoxime type silicone sealant. The sealant comprises components in parts by weight as follows: 100 parts of alpha, omega-dyhydroxyl polydimethylsiloxane, 1-40 parts of dimethyl silicone oil, 0.1-4 parts of thermal expansion microcapsules, 1-25 parts of a cross-linking agent, 20-180 parts of reinforcing filler, 0.01-5 parts of a coupling agent and 0.005-1 part of a catalyst. The invention further discloses a preparation method of the low-density deketoxime type silicone sealant. The low-density deketoxime type silicone sealant has excellent mechanical property and adhesive property, the density of the sealant is remarkably reduced, the foaming effect is excellent, and the stability is high. According to the preparation method, a process is simple and easy to implement, equipment is conventional, operation is facilitated, and industrial large-scale production is facilitated.

The invention discloses a preparation method of graphene. The preparation method comprises the following steps that S1, hydrogen peroxide with the mass fraction being 35-40% is added into a reaction kettle, and the amount of the added hydrogen peroxide accounts for 55-60% of the volume of the reaction kettle; S2, expanded graphite is added into the reaction kettle, the mass ratio of the expanded graphite to the hydrogen peroxide is 1:(0.01-0.02), the temperature is raised to 200-280 DEG C under the normal pressure, and a reaction is conducted at the temperature of 200-280 DEG C for 10-20 minutes; S3, supercritical carbon dioxide is introduced into the reaction kettle for pressurizing, thus the pressure is increased to 8-15 MPa, and the pressure is maintained for 5-8 hours; S4, objects obtained in the reaction kettle is discharged and put into a homogenizer to be homogenized; and S5, the homogenized objects are dried, and then the graphene is prepared after drying. The preparation method has the advantages that stripping of graphene sheet layers is more thorough, the stripping layer number is less and more even, and environmental protection is achieved.

The invention discloses an environment-friendly power distribution cabinet for a sponge city. The power distribution cabinet comprises a cylindrical power distribution box body and is characterized inthat a plurality of cooling fans are fixed at the inner bottom of the power distribution box body, an annular water storage cavity is formed on a side wall of the power distribution box body, a plurality of drainage pipes communicating with the interior of the water storage cavity are inserted into an outer wall of the power distribution box body in a penetrating mode, a plurality of vent holes communicating with the water storage cavity are formed on a circumferential side wall of the power distribution box body in a penetrating mode, a supporting plate is welded to an inner wall of the water storage cavity, and an air bag is glued to an upper end of the supporting plate. The power distribution cabinet is advantaged in that the air bag absorbs the heat of the distribution box body and the outside to heat and evaporate the hot evaporation liquid in the air bag, the air bag is expanded, so the expansion volume of the air bag is increased, the stored rainwater can move upwards to be closer to the evaporation holes, the rainwater is affected by the external temperature to be increased, the rainwater can be evaporated more quickly to supplement into the air, the comfort of the external air is kept, and dryness caused by the high temperature is avoided.

The invention discloses a prescription of an intumescent filler for a fireproof package. The prescription disclosed by the invention is obtained by mixing the following components in parts by weight: 6-20 parts of char-forming agent, 6-20 parts of char-forming catalyst, 10-30 parts of foaming agent, 10-30 parts of inorganic reinforcement, 6-15 parts of inorganic filling agent and 15-45 parts of intumescent material. The prescription disclosed by the invention combines with inorganic filler and organic filler and uses the advantages thereof; fire-resistant barrier with a certain thickness and a certain strength can be intumesced and rapidly charred in a short time in fire, and heat is absorbed and non-flammable gases are released during intumescing and charring processes, so as to achieve the purposes of resisting fire, isolating head and isolating smoke. The prescription has high application value.

The invention belongs to the technical field of clothes hangers and particularly relates to a clothes hanger preventing clothes from being blown off by wind. The clothes hanger comprises a clothes hanger body, wherein the upper end of the clothes hanger body is fixedly connected with a vertical rod, the upper end of the vertical rod is fixedly connected with a hook, the side wall of the vertical rod is vertically provided with a strip-shaped opening communicated in a left-right way, horizontal rods are arranged in the strip-shaped opening through movable penetration, the lower ends of the horizontal rods are fixedly connected with arc-shaped plates, two arc-shaped plates are arranged on the horizontal rods at the left and right ends of the vertical rod, the bottom of the strip-shaped opening is fixedly connected with an elastic air bag, the upper end of the elastic air bag is fixedly connected with the lower ends of the horizontal rods, the vertical rod is sleeved with a lifting tube,the lower end of the lifting tube is slidingly connected with the lower ends of the horizontal rods, and the lifting tube is coaxially and fixedly connected with an inversely arranged wing plate. Theclothes hanger has the advantages that the arc-shaped plates can be matched with the clothes hanger body through downward movement of the wing plate in strong wind weather to effectively fix a shirt and prevent the shirt from being blown off by wind.

The invention relates to the technical field of game making auxiliary equipment, and discloses VR head-mounted display equipment capable of adjusting lens spacing, the equipment comprises an equipmentshell and lens fixing frames, adjusting grooves is formed in the equipment shell, first springs are fixedly connected to the inner walls of the adjusting grooves, and the inner sides of the first springs are fixedly connected with the lens fixing frames; the inner walls of the adjusting grooves are fixedly connected with expansion air bags, and air exhaust cavities are formed in the equipment shell. According to the VR head-mounted display device capable of adjusting the distance between lenses, pressing impact blocks are continuously pressed into containing grooves by thumbs, piezoelectric crystals deform to generate current, electromagnets are powered on and have magnetism, the electromagnets pushes magnet filling blocks to the inner sides of the air exhaust cavities, and piston blockspress air in the air exhaust cavities into the expansion air bags; the expansion volume of the expansion air bags is increased, and the lens fixing frames are are pushed along the inner sides of the adjusting grooves, so that the distance between the lens fixing frames is matched with the eye distance of a user, and the use comfort is higher.

The invention belongs to the technical field of aluminum sectional materials, and particularly relates to an industrial aluminum sectional material. The industrial aluminum sectional material comprises aluminum sectional material bodies. The aluminum sectional material bodies are U-shaped sliding groove aluminum sectional materials which are used as sliding rails. Clamping connection columns are fixedly arranged on the front end faces of the aluminum sectional material bodies. Clamping connection plates which are parallel to the aluminum sectional material bodies are arranged on the outer edges of the clamping connection columns. Clamping connection grooves which are matched with the clamping connection columns are formed in the rear end faces of the aluminum sectional material bodies. When the aluminum sectional material bodies are actually spliced, the clamping connection columns on one aluminum sectional material body can be directly inserted into the clamping connection grooves formed in the other aluminum sectional material body, then barrier strips are rotated so that the barrier strips can be separated from the upper surfaces of the aluminum sectional material bodies, springs which are fixedly connected with rectangular sliding blocks can push the rectangular sliding blocks to downwards move under the action of the elastic force of the springs, movable insertion rods which are fixedly connected with the rectangular sliding blocks are downwards pushed, the movable insertion rods can be inserted into insertion holes, and therefore the clamping connection between the two aluminum sectional material bodies is achieved. In addition, the clamping connection is quick, and compared with a conventional screw connection mode, the clamping connection mode has the advantagesof more saving the labor and being more efficient.

The invention discloses a solar heat collection type seawater desalination device which comprises a shell, a heat collection water tank is installed in the shell, one side of the heat collection water tank communicates with a water inlet pipe, the end, away from the heat collection water tank, of the water inlet pipe penetrates through the shell, and the side, close to the water inlet pipe, of the heat collection water tank communicates with a steam pipe. The end, away from the heat collection water tank, of the steam pipe penetrates through the shell to communicate with a condensation pipe, one side of the heat collection water tank communicates with a connecting pipe, a water suction pump is installed on one side of the connecting pipe, the end, away from the heat collection water tank, of the connecting pipe communicates with a water conveying pipe, and one side of the water conveying pipe communicates with a solar heat collecting pipe. A light reflecting device is mounted on one side of the solar heat collecting pipe. The invention relates to the technical field of seawater desalination. According to the solar heat collection type seawater desalination device, the purpose of adjusting the light reflection angle is achieved, the solar heat collection pipe absorbs sunlight to the maximum extent, and the absorption capacity is improved.

The invention provides a printer ink cartridge capable of improving a printing effect. The printer ink cartridge comprises a cartridge body, wherein a heating plate is embedded in the bottom in the cartridge body, a rotating shaft is rotationally connected to the inner wall of the cartridge body, a circular cavity is formed in the side wall of the cartridge body, and one end of the rotating shaft penetrates through the side wall of the cartridge body and extends into the circular cavity. A disc is fixedly connected to the end, located in the circular cavity, of the rotating shaft, a first driving mechanism for driving the disc to rotate is installed on the cartridge body, and a plurality of stirring plates are symmetrically and fixedly connected to the side wall of the rotating shaft in the horizontal direction of the rotating shaft. Printing ink in the cartridge body can be heated through a heating plate, so that thermal expansion liquid absorbs heat through a heat conducting rod, the expansion volume of the thermal expansion liquid is increased, a sliding plate is pushed to slide, a driving strip slides in a circular cavity, the disc is driven to rotate, and a plurality of stirring plates coaxially and fixedly connected with the disc are driven to rotate, and ink in the cartridge body is uniformly mixed, so that the printing effect of the printer is improved.

The invention provides gas sucking type perforated microsphere expanding equipment. The gas sucking type perforated microsphere expanding equipment comprises a preheating furnace, an elevator, an expanding furnace, an induced draft fan and a product bin, and a feeding port and the elevator are positioned at one end of the expanding furnace. Materials enter the preheating furnace via the feeding port, then are stirred up and down in the preheating furnace and are pushed ahead along the spiral direction. The heated materials enter a storage bin through the elevator, a plurality of guide pipes are arranged on the circumferential face of the bottom face of the storage bin, the materials in the storage bin are fed into corresponding hoppers through the guide pipes, each hopper is provided with a manual flow regulating handle used for controlling the quantity of the materials fed into the expanding furnace, the materials in the hoppers fall along the inner wall of the expanding furnace, the materials in high-temperature areas nearby burners expand rapidly, the expanding size of the expanded materials is 8-15 times of the original size of the materials, microspheres subjected to expansion sintering move from the bottom to the top of the expanding furnace under the action of sucking force of the induced draft fan and are conveyed to the product bin via a conveying pipe, and the hoppers and the burners are the same in number and corresponding in position. The gas sucking type perforated microsphere expanding equipment is high in working efficiency.

PCT No. PCT/NL96/00219 Sec. 371 Date Oct. 13, 1998 Sec. 102(e) Date Oct. 13, 1998 PCT Filed Jun. 3, 1996 PCT Pub. No. WO96/38694 PCT Pub. Date Dec. 5, 1996A method for expansion control in a closed fluid circulation system with varying temperature, in which system air is drawn from the circulating fluid through the formation of an air head wherein air to be withdrawn is collected and from which air can be blown off, controlled by a valve, to the environment or a receiving space, while further off, measures are taken for taking up, when the temperature varies, an attendant expansion and shrinking of the fluid within the closed system, and measures for enabling adding fluid to the system, which fluid is withdrawn from an external stock of fluid under pressure, and the air head volume is measured and when a predetermined value is exceeded, a fluid valve is opened through which fluid is introduced into the air head until the volume of the air head is substantially equal to the predetermined value and the fluid valve is closed.