39results about How to "Increase internal volume" patented technology

A battery including a case defining a cavity for housing an electrode assembly, the case having an opening for receiving the electrode assembly, and a cap plate attached to the case to cover the opening, the cap plate including a welded portion that is thicker than a major area of the cap plate.

The invention discloses an ultrathin steel structural fireproof anti-radiation coating, comprising base emulsion, titanium dioxide, deionized water, polyoxyethylene polyoxypropylene ether, diamino polyethylene glycol modified hyperbranched polypyrrolone, amino-terminated sulfonated polyimide, polybenzimidazole-modified meso-porous silicon, KH-560, and graphene oxide. The ultrathin steel structural fireproof anti-radiation coating has good performances of fire endurance, weatherability, coating surface drying time, water resistance and radiation resistance, releases no toxic gas, is safe and environment-friendly and is widely applicable to various steel structural buildings.

A device and method for producing a portion of platelet rich plasma from a fluid sample obtained from a patient. The device comprises three intercommunicated portions, each portion having an internal chamber defined therein. The fluid sample is first brought into the base portion where it is separated into red blood cells and plasma. The plasma portion of the sample is then withdrawn into the second portion where it is further separated into platelet poor plasma disposed over platelet rich plasma. The portion of platelet poor plasma is then withdrawn from the second chamber, leaving only platelet rich plasma within the second chamber. The base portion also includes a membrane located on its distal end which helps maintain a vacuum within the device when the fluid sample is being initially inserted into base chamber.

The invention discloses a thin-layer steel structure fireproof radiation-resistant paint which comprises a base emulsion, a filler, deionized water, aids, bis amino polyethyleneglycol modified hyperbranched polypyrrone, amino-terminated sulfonated polyimide, KH-560 and graphene oxide. The thin-layer steel structure fireproof radiation-resistant paint has the advantages of high adhesive force, high hardness, favorable fireproofness, favorable scratch resistance, excellent weather resistance, excellent water resistance, favorable radiation resistance, smooth and fine paint surface layer, obviously improved decorativeness, low hazard for the human body during preparation, small environmental pollution and the like.

The invention discloses a silencer. The silencer comprises a cylinder body, silencer cotton and silencer tubes, wherein two ends of the cylinder body are both provided with silencer end covers, and the two silencer end covers are respectively provided with an air inlet and an air outlet; the silencer cotton is arranged in the cylinder body; the silencer tubes are embedded in the silencer cotton; each silencer tube comprises a first straight cylinder section, a funnel section and a second straight cylinder section which are communicated in sequence, and the diameter of each second straight cylinder section is less than that of the corresponding first straight cylinder section; the diameters of each funnel section are gradually reduced from the corresponding first straight cylinder section to the corresponding second straight cylinder section; the number of the silencer tubes is two, the second straight cylinder sections of the two silencer tubes are communicated with each other to forma silencer passage; the first straight cylinder section of one of the silencer tubes is inserted into the air inlet, and the first straight cylinder section of the other one of the silencer tubes is inserted into the air outlet. The silencer has the advantages that the bore diameters of the silencer passage are firstly reduced and then increased, so that air flow is firstly compressed and then expanded after entering into the silencer passage, the expansion ratio is larger and the silencing ability for low-frequency noise is high. The invention further discloses an automobile using the above silencer, and the automobile has the effect of small low-frequency noise.

While such systems and methods can include any suitable component, in some cases, they include a first and a second piece of sauna housing and a sauna heater. In some such cases, the second piece of sauna housing slidingly couples with the first piece to define an interior sauna chamber. Additionally, in some cases, a first portion of the second piece of sauna housing is configured to slidably fit within the first piece such that a volume of the sauna chamber is configured to increase and decrease, respectively, when the second piece is moved into an extended position or when the second piece is moved from the extended position into a collapsed position in which the second piece nests within the first piece. In some cases, the first and second pieces include a ceiling that is configured to extend over a user within the sauna chamber. Other implementations are described.

The invention discloses a rapid drawing opened-closed type anti-explosion ball. The anti-explosion ball comprises an upper half ball and a lower half ball which are fixedly connected. A throwing-in port is formed in the upper half ball and provided with a protection sealing cover. The protection sealing cover and the upper half ball are in drawing connection through an industrial guide rail. A locking mechanism is arranged in the protection sealing cover. The upper half ball is provided with a locking hole matched with the locking mechanism. A weak explosion buffering layer is arranged in the protection sealing cover. The anti-explosion ball is arranged on a circular ball support. The bottom end of the circular ball support is fixedly connected with a butterfly-shaped half ball weak explosion buffering layer. The weak explosion buffering layer and the butterfly-shaped half ball weak explosion buffering layer are filled with weak explosion anti-explosion materials. The anti-explosion ball is rapidly opened and closed, and is good in anti-explosion performance, large in inner size and capable of being used for storing large suspected explosives.

The invention discloses water-based anticorrosive mildewproof antirust paint. The water-based anticorrosive mildewproof antirust paint is prepared from diatomite, deionized water, polyoxyethylene polyoxypropylene ether, KH-560, polymer-modified graphene oxide and sulfonated polybenzimidazole-modified octaphenyl polyhedral oligomeric silsesquioxane-wrapped nano-silver. The water-based anticorrosive mildewproof antirust paint has the advantages of being high in adhesive force and hardness, good in fireproof property and scratch resistance, excellent in weather resistance and water resistance, good in corrosion resistance, mildew resistance and rust resistance, little in harm to a human body and pollution to the environment during preparation and the like.

The invention provides a self-power-off explosion-proof lamp with a high-temperature protection function, which comprises a lamp body, wherein the lamp body comprises a shell, an LED lamp panel arranged in the shell and a light-transmitting cover positioned at the light-emitting end of the LED lamp panel, and a power line is arranged at the top of the lamp body; a first radiator mounted on the rear surface of the LED lamp panel in an attached manner and used for absorbing heat on the LED lamp panel and radiating the heat; and an electric connector assembly used for connecting the power line and the LED lamp panel, wherein the electric connector assembly internally comprises a connecting mechanism with a heat collecting function, and when heat absorbed by the connecting mechanism exceeds a threshold value, expansion is generated, and connection between the power line and the LED lamp panel is cut off. The self-power-off explosion-proof lamp with the high-temperature protection function is compact in structure and good in heat dissipation effect, mechanical power off can be achieved when the temperature is too high, safety and reliability are achieved, the service life of the lamp body is prolonged, reconnection can be achieved manually after high-temperature power off, and operation is convenient and fast.

The present invention discloses a book or video work borrowing and returning apparatus. The apparatus comprises a control unit, a first display unit and a second display unit; the control unit is used for controlling the first display unit so as to display an operation screen of book or video work borrowing and returning; the control unit is used for controlling the second display unit to display other content different from content displayed by the first display unit while controlling the first display unit to display the content; and the second display unit can be either used for displaying a black and white picture or displaying a true-color picture. With the book or video work borrowing and returning apparatus of the invention adopted, balance can be achieved between convenience in borrowing and demand of reading and viewing, so that a multi-functional self-service borrowing and returning device can be realized.

The invention discloses a high-pressure oil-free air compressor and belongs to the technical field of air compressors. The high-pressure oil-free air compressor aims to achieve a good mute effect and a high pressure value. The high-pressure oil-free air compressor is characterized by comprising an air compressor main machine and an air storage tank which are connected, wherein the air compressor main machine comprises a crankcase and an air cylinder which are connected, the crankcase is provided with an outward extension portion, the outward extension portion is provided with a cylinder seat connected with the air cylinder, the circumferential side of the air cylinder is provided with a plurality of fixing barrels, the fixing barrels are arranged in an annular array along the circumferential side of the air cylinder, the circumferential side of the air cylinder is further provided with a plurality of strip-shaped first cooling fins, each cooling fin is arranged between the two corresponding adjacent fixing barrels, one side of each first cooling fin is connected with the outer wall of the air cylinder, the other side of each first cooling fin is provided with a second cooling fin, the first cooling fins are perpendicular to the second cooling fins, a cooling flow channel is formed between every two adjacent first cooling fins, a crank is provided with a front fan arranged in the crankcase, and the cylinder seat is provided with air guide holes enabling the inner portion of the crankcase to communicate with the cooling flow channels.

The invention relates to the technical field of edible oil filling equipment, and discloses an oil outlet nozzle for edible oil filling with a good anti-leakage effect. The oil outlet nozzle comprisesan oil outlet nozzle body and an elastic hole plugging bag; the top end of the oil outlet nozzle body is fixedly connected with an oil outlet pipeline; and a pressurizing extrusion groove is arrangedin the oil outlet pipeline. According to the oil outlet nozzle for the edible oil filling with the good anti-leakage effect provided by the invention, when an oil outlet pipeline stops pressurizing,under the action of negative pressure, the elastic hole plugging bag is turned upwards and makes contact with the tail end of the pressurizing extrusion groove, meanwhile, a controllable power sourceis connected, electrorheological fluid is in a solid state, the pressurizing extrusion groove and a flow guide through groove are closed, and edible oil leakage is prevented; a pushing plate is drivenby a reset spring to bounce upwards, so that an electromagnet is powered on to have magnetism, movable supporting rods are relatively separated through repulsive acting force, an elastic compressionlayer is pulled through an expansion side plate, the internal size of an expansion empty groove is increased, oil drops at the tail end of an oil outlet through groove are sucked back under the actionof negative pressure, and pollution and waste caused by leakage are prevented.

The invention provides an injection head and an injection mechanism of an injection molding machine. The injection head comprises a mounting pipe, a first feeding pipe, a second feeding pipe, a buffer pipe assembly, a buffer reset mechanism, a heating and cooling assembly, a cleaning assembly, a threaded pipe and an injection nozzle. During injection molding, a buffer pipe moves forward, the size of the buffer pipe assembly is reduced, after injection molding is finished, a reset spring drives the buffer pipe to reset, so that the internal volume of the buffer pipe assembly is enlarged, a small amount of raw materials are temporarily stored, the raw materials are prevented from still flowing out of the injection nozzle after injection is completed, and the phenomenon that the raw materials flowing out of the injection nozzle are solidified and block the injection nozzle can be effectively prevented, and when heating is needed, a heating wire is used for heating the injection head through the electromagnetic induction principle, a vapor chamber plays a good role in soaking so as to quickly heat the injection head, circulating cooling water is introduced into a heat dissipation water tank during maintenance, and at the moment, the vapor chamber can quickly take away heat on the surface of the injection head so as to quickly cool the injection head.

The invention discloses a steel-lined polytetrafluoroethylene composite tube. The steel-lined polytetrafluoroethylene composite tube comprises a plastic layer positioned on an inner layer and a steel tube structural layer positioned on an outer layer, wherein pits which are internally concave are uniformly formed in the inner surface of the steel tube structural layer; the pits are of corrugated structures which are small in inner volume, great in middle volume and small in outer volume; outer volume of the pits is greater than inner volume of the pits; each pit is provided with an angle of inclination for inclining towards a fluid flowing direction; the plastic layer is made of a polytetrafluoroethylene material; and the plastic layer is compounded in the steel tube structural layer and the polytetrafluoroethylene material is completely filled into the pits. With the adoption of the structure, the steel-lined polytetrafluoroethylene composite tube bears very great corrosion performance, so that the polytetrafluoroethylene material is firmly adhered to the inner surface of the steel tube structural layer, and therefore, compounding strength is greatly improved, and firmness is very good; and a composite polyolefin inner coating has good flexible effect and effectively protects the polytetrafluoroethylene material, so that the service life of the steel-lined polytetrafluoroethylene composite tube is further prolonged.

The invention relates to the technical field of medical instruments, and discloses first-aid breathing equipment with functions of early warning and prompting. The first-aid breathing equipment comprises a respirator, an air inlet pipe communicating with the respirator is arranged on the respirator, two groups of guide pipes communicating with the respirator are arranged on the respirator, and supporting blocks communicating with the guide pipes are fixedly mounted at one ends, far away from the respirator, of the guide pipes. According to the first-aid breathing equipment, fixed blocks are clamped on the face through deformation so that the respirator can be fixed to the mouth, then the contact area between the fixed blocks and the face is reduced through connecting blocks, therefore the pressure intensity between the connecting blocks and the face is increased, the friction force between the connecting blocks and the face is enhanced, and the respirator can be attached to the face more firmly; and air entering from the air inlet pipe is guided by a stop block to directly enter the mouth, exhaled air directly flows out from a ventilation opening along with airflow, therefore a breathing channel is formed, the situation that exhaled air and oxygen are mixed in the mask is avoided, and the practicability of the first-aid breathing equipment is improved.

The present invention relates to a hermetic compressor (1) that comprises a casing (2), a motor (5) disposed inside the casing (2), a cylinder (6) providing the refrigerant fluid to be pumped, a piston (7) functioning in the cylinder (6), providing the refrigerant fluid to be compressed into the cylinder (6) hole, a crankshaft (8) that transfers the motion delivered from the motor (5) and a piston rod (9) that transfers the motion received from the crankshaft (8) to the piston (7), a block (10) carries and/or bears the basic mechanical components like the cylinder (6), the piston (7), the crankshaft (8) and the piston rod (9), a suction muffler (3), disposed in the casing (2), providing the noise generated during suction of the refrigerant fluid to be attenuated and at least one exhaust muffler (4), disposed on the block (10), having a hollow, closed volume, providing the noise generated during pumping of the refrigerant fluid to be attenuated.

The invention relates to a mobile phone heat pipe and a production method of an oxygen-free copper pipe for the mobile phone heat pipe. The mobile phone heat pipe comprises a transmission section, and a heat absorption section and a heat dissipation section which are formed at two opposite ends of the transmission section. The transmission section is in an arc bent pipe shape and comprises a first extension part and a second extension part which are perpendicular to each other. The joint of the first extension part and the second extension part is arc-shaped. The heat absorption section is arranged on the first extension part in a protruding mode, the heat dissipation section is arranged on the second extension part in a protruding mode, the inner diameter and the outer diameter of the heat dissipation section are gradually increased in the direction away from the second extension part, and the outer diameter of the oxygen-free copper pipe for the mobile phone heat pipe is 8-10 mm and the thickness of the wall is 0.075-0.12 mm. The roundness of the oxygen-free copper pipe for the mobile phone heat pipe is smaller than or equal to 0.5%, and the diameter-thickness ratio of the oxygen-free copper pipe for the mobile phone heat pipe is 80: 1 or above. The mobile phone heat pipe is high in heat dissipation efficiency.