82results about How to "Increase the length of use" patented technology

The invention discloses a liquid metal electric wire and a manufacturing method therefor. The liquid metal electric wire comprises an elastic silicone tube (1); conductive terminals (2) are fixed in tube orifices in the two ends of the elastic silicone tube (1); the tubes are filled with liquid conductive metal liquid (3); the liquid conductive metal liquid (3) is in contact with the conductive terminals (2) extending into the inner end of the tube; and the liquid conductive metal liquid (3) enables the conductive terminals (2) at the two ends of the elastic silicone tube (1) to be conductive. The liquid metal electric wire is simple in structure; the liquid metal electric wire can be stretched on the basis of the inherent length; the stretched liquid metal electric wire is retractable due to the inherent attribute of the elastic silica gel, so that the length of the liquid metal electric wire can be adjustable; and therefore, the liquid metal electric wire is applicable to various domestic appliances, industrial appliances and the like.

Provided is a thickened frame type ballastless track plate. The track plate comprises a base plate, bosses and track bearing tables. The base plate is of a cuboid, the two bosses are symmetrically arranged on one face of the base plate along the axis of the cuboid in the length direction, and the track bearing tables are evenly distributed in the length direction of the upper surfaces of the bosses. A through hole is formed in the base plate and is located between the two bosses symmetrically arranged on the base plate, and a frame structure connected between the two bosses through a transverse reinforcement concrete structure is formed. The thickened frame type ballastless track plate can effectively reduce track plate warping caused by temperature stress, eliminate a pull cracking phenomenon, and enhance running safety and comfort. The thickened frame type ballastless track plate is reasonable in structural stress, light, high in structural strength and capable of effectively improving the stress condition of a sleeper structural system, prolonging the service life of the structure and optimizing rack circuit parameters, improves the circuit transmission characteristic of a resonant track, can be directly and effectively connected with a current high-speed railway CRTS-I ballastless track plate, and is suitable for industrial production.

The invention belongs to the office furniture, particularly to an office table having a device for a user lying and having a lunch break. The office table comprises a table top and table legs and is characterized in that a base support with height 10-15cm from the ground is arranged between every two adjacent table legs, a foldable base plate is arranged on the base supports, end plates cover portions between the table legs at two ends, one end plate is a fixed end plate which is fixed to the table legs, the other end plate is a rotatable end plate with the base frame thereof fixed on the base supports through hinged, two sides of the rotatable end plate are provided with pulling ropes connected to the table legs, and the upper frame of the rotatable end plate is provided with a colliding beam used for connecting with the table top. The office table has the advantages that the foldable base plate which is arranged under the table top and provided with a lunch break function can be folded to create a space for legs during official time and can be unfolded for the break lunch in a lying manner during rest time; the foldable end plate also served as a pillow is effective in prolonging the service life of the office table; a television on the fixed end plate provides entertainment for the user.

The invention relates to a multivariate combined-type linear temperature-sensing fire detector which comprises a sensitive unit and a microprocessor, wherein a flat three-core structure is adopted by the sensitive unit; the head end of a three-core wire in the sensitive unit is connected with the corresponding end of a binding post of the microprocessor; and a microprocessor circuit comprises a front end circuit, a filter circuit, an amplifying circuit, a communication drive circuit, a code sending control circuit, a return code receiving circuit, a main central processing unit (CPU), an alarm output control circuit and an alarm region display circuit. An implementation method of the multivariate combined-type linear temperature-sensing fire detector comprises the steps of: according to the comparison between the temperature data which are acquired by the sensitive unit in real time and the fire combustion data which are stored in the main CPU in advance, obtaining the temperature state of a monitored region, and realizing differential fixed temperature alarm and self-adaptive compensation of ambient temperature.

According to the invention, an actuator device comprises rollers positioned and guided by spacer rings, and an assembly consisting of said rollers and said rings is provided between a male part and a female part. The rollers include synchronization pinions arranged at the ends thereof and include, on the threaded portion located between said pinions, annular grooves used as a journal for interfacing with open bearings in the form of notches provided on each spacer ring.

The invention relates to a seam compensation type drip-infiltrating-irrigation pipe machining method. The seam compensation type drip-infiltrating-irrigation pipe machining method comprises the following machining steps that 1, a composite pipe is machined; and 2, seam pricking is conducted on the wall of the composite pipe through a needle knife seam pricking machine. The invention further relates to a pipe clamp used for the drip-infiltrating-irrigation pipe. The pipe clamp is installed at a prickseam in the wall of the composite pipe and comprises two arc-shaped clamping pieces. Combination walls are arranged on the two sides of each arc-shaped clamping piece. The middle of each arc-shaped clamping piece is provided with a groove. A plurality of first water outlets are formed in the edge of each groove. Each first water outlet is connected with a flow stabilizing channel. The flow stabilizing channels communicate with water flow channels. Compared with the prior art, the seam compensation type drip-infiltrating-irrigation pipe machining method and the pipe clamp used for the drip-infiltrating-irrigation pipe have the characteristics of being resistant to corrosion and ageing, long in service life, free of blockage, uniform in flow, long in using length, savable in labor, effort and power and capable of saving 80% of water and 50% of fertilizer compared with a traditional irrigation method.

The invention discloses a special spray gun for a liquid-phase catalyst of ultralow-temperature liquid-phase catalytic reduction method denitration apparatus. The spray gun comprises a spray gun body;the spray gun body comprises a nozzle assembly, a gun rod, a liquid inlet device and an air inlet device; the nozzle assembly, the liquid inlet device and the air inlet device are connected with thegun rod; the liquid inlet device comprises a liquid-phase metal hose, a liquid-phase double-head screw nipple, a liquid-phase threaded check valve and a liquid-phase threaded adjusting ball valve; thegas inlet device comprises a gas-phase metal hose, a gas-phase screw nipple, a gas-phase threaded check valve and a gas-phase threaded ball valve; an adjusting assembly is arranged on the gun rod; the adjusting assembly comprises an adjusting plate, a rotating shaft and a rotating handle; one end of the rotating shaft is connected with the rotating handle; the other end of the rotating shaft penetrates through the gun rod to be connected with the adjusting plate; the adjusting plate is installed inside the gun rod; and the flow of atomized particles can be controlled through the design of theadjusting assembly.

The invention relates to a security type self-temperature-limiting heat tracing band free of a scald by boiling water and a manufacturing device and a manufacturing method of the security type self-temperature-limiting heat tracing band free of the scald by the boiling water. A multi-component base stock system is adopted, metal buses are coated with plastic conductors, a positive temperature coefficient (PTC) heating element is coated between the two plastic conductors to form a parallel circuit heating element, the PTC heating element is coated with an insulating layer, the insulating layer is coated with a grounding grid, and the grounding grid is coated with an anticorrosion protective sleeve. The three layers including the plastic conductors, the PTC heating element layer and the insulating material layer are formed by extrusion collectively once by the adoption of a two-core and three-layer common extrusion process, and the plastic conductors, the PTC heating element layer and the insulating layer are integrated to form molecular structure contact. Hidden danger causing a fire disaster is prevented, using safety of products is ensured, stability of the working temperature and the power in use is improved, the material formulation of the plastic conductors, the PTC heating element layer and the insulating layer is improved by a large margin, the base stocks of which the bearing temperature are over 115 DEG C are selected, so that the plastic conductors, the PTC heating element layer and the insulating layer are enabled to work when soaked in the boiling water, and the security type self-temperature-limiting heat tracing band free of the scald by the boiling water is suitable for industrial application.

The invention discloses a universal and sectional combined grounding wire suitable for a power transmission line and a grounding method. The grounding wire comprises a first supporting column, the bottom end of the first supporting column is connected with a first rotating disc through a first rotating shaft, and the side of the first supporting column is fixedly provided with a small-size fixed frame. One side of the small-size fixed frame is fixedly provided with a fixing block, an open groove is formed in the fixing block, an elastic pressing block is fixedly installed at one side of the fixing block, and a cross rod is fixedly installed at one end of the first rotating shaft. According to the scheme, a second handle is manually held, so that the second handle moves to drive a supporting mechanism; a servo motor on the supporting mechanism rotates to clamp a circuit insulation head needing to be wired; and the first supporting column is conveniently installed through a first lockingshell and a second locking shell; through a locking mechanism installed between the first supporting column and the second supporting column, fixation can be conveniently carried out in the actual use process, and stable wiring is carried out in the actual operation process of wiring.

The invention discloses a convenient household clothes hanger. The clothes hanger comprises a base and an upright column, the upright column is fixedly connected to the center of the top face of the base, the upper and lower ends of the outer side of the upright column are also fixedly sleeved with bearing bases, and the bearing bases are fixedly sleeved with fixing rings; multiple connecting lugpieces are fixedly and uniformly arranged at equal intervals along the outer circumference of each fixing ring, each hanging rod is connected to the outer side of the corresponding connecting lug piece through a pin, a pre-tightening mechanism is further arranged between each hanging rod and the corresponding connecting lug piece, the front end of each hanging rod is sleeved with a sleeve, a strip-shaped hole is formed in each sleeve, and each threaded sliding rod is also fixedly connected to the front end of the corresponding hanging rod and extends to the outer side of the corresponding sleeve through the corresponding strip-shaped hole; each locking disc is also in threaded connection with the outer end of the corresponding threaded sliding rod, and the inner side of each locking disc closely fits the outer side wall of the corresponding sleeve. The clothes hanger solves the problems that current floor-standing clothes hangers are stored inconveniently and meanwhile the air-drying space is limited.

Disclosed is a leg pressing device for dancing practice. The device comprises a base, movable plates are hinged to two sides of the base, a first guiding groove is formed in the rear end of the top ofthe base, second guiding grooves are formed in the rear ends of the top faces of the movable plates, the second guiding grooves are communicated with the interior of the first guiding groove, a vertical first lifting rod with a motor is fixedly installed on the inner wall of the bottom of the middle of the first guiding groove, a horizontal sleeve tube is fixedly installed on the top of the firstlifting rod, two guiding blocks are cooperatively arranged in the first guiding groove, and the two guiding blocks are located on two sides of the first lifting rod respectively. By means of the device, adjustment can be conducted according to the heights of different dancing practicers to meet the using demands of the dancing practicers with different heights, cooperative use of a plurality of dancing practicers with the same height can be met, limitation can be conducted on supporting legs to make the supporting legs perpendicular to the ground when the device is used by a plurality of dancing practicers with the same height, and the supporting legs are maintained in a stretching state, so that the effect of leg pressing practice is better.

The invention discloses a telescopic antiriot fork capable of enlarging the protective area. The telescopic antiriot fork comprises a fork rod, the fork rod is of a hollow structure, a movable rod isslidably connected with the interior of the fork rod in a sleeving mode, a handle is arranged at one end, away from the fork rod, of the movable rod, a locking device is arranged on the side wall, close to the lower end, of the fork rod, and a first installation block is installed at the upper end of the fork rod; and a first arc-shaped fork body is fixedly installed on the first installation block, a second arc-shaped fork body is rotatably installed at one end, away from the fork rod, of the first installation block, a plurality of first springs are arranged on the first arc-shaped fork body, and one ends, away from the first arc-shaped fork body, of the first springs are connected to the second arc-shaped fork body. According to the telescopic antiriot fork, the structure is simple andreliable, operation is convenient, the using length can be adjusted, the safe distance is increased, a protective umbrella is arranged, the protective area can be effectively enlarged when the protective umbrella is opened, and the protective effect is good; and disassembly and replacement of the protective umbrella are convenient, the structure design is humanized, and a certain protective measure is further taken for an object under control.

The invention discloses a lengthening ruler. The lengthening ruler comprises ruler plates, wherein the ruler plate comprises a first middle ruler, a second middle ruler, a first edge ruler, and a second edge ruler; two ends of length directions of the first middle ruler and the second middle ruler are respectively provided with an upper neck and a lower neck; one end of the length direction of the first edge ruler is provided with an upper neck, and a lower neck is formed in one end of the length direction of the first edge ruler; in the process of installation and connection, the upper neck of the first middle ruler is connected with the lower neck of the second middle ruler in a matched mode through a spindle; the lower neck of the first middle ruler is connected with the upper end of the first edge ruler in a matched mode through the spindle; and the upper neck of the second middle ruler is connected with the lower neck of the second edge ruler in a matched mode through the spindle. The lengthening ruler enables the two sides ruler plates to be convenient to rotatably accommodate, fold, and bring along the spindle when the lengthening ruler is carrying, and the occupied space is small; in practical use, the lengthening ruler enables the two sides ruler plates to rotate outside along the spindle, lengthens using length of the ruler, and is not subject to length restriction of the ruler when drawing pictures.

The invention discloses a wild-mouth bottle fixing device, and belongs to the technical field of experiment auxiliary tools. The wild-mouth bottle fixing device comprises a bottle body, a bottle plug,a pull disc and a screw-in rod, the bottleneck part of the bottle body is sleeved with a fixed lantern ring; the pull disc is arranged on the upper side of the bottle plug; the fixed lantern ring isconnected with the pull disc by means of upper elastic pull belts which are annularly arranged at intervals; the screw-in rod penetrates through the pull disc and is in threaded connection with the pull disc, and a hook is provided at the end, away from the bottle plug, of the screw-in rod. The screw-in rod is screwed in the pull disc, so that the lower end thereof abuts against the bottle plug; and the upper elastic pull belt applies pull force to firmly fix the bottle plug, so that the bottle plug is prevented from being disengaged and reagents are prevented from being scattered out due to toppling of the wild-mouth bottle, the waste of the reagents is eradicated, and biochemical pollution danger is avoided. The screw-in rod is screwed out outwards, the pull disc and the screw-in rod areturned over towards one side, a bottle plug lifting space is reserved, and storing and taking of internal reagents are implemented. The whole wild-mouth bottle can be hung by means of the hook, so that the risk that the wild-mouth bottle topples over due to mistaken touch is effectively eradicated, and hanging, storage and transportation are facilitated.

The invention relates to a telescopic wire rod as well as a preparation method and application thereof. The telescopic wire rod comprises a rubber strip, a wire layer and a protective layer from inside to outside, the wire layer comprises wires and yarns; the wire and the yarn surround the rubber strip; the protection layer wraps the wire layer. The wire has extremely high telescopic performance, the wire can be prevented from being damaged by large external force in the using process, the service life of the wire is prolonged, and the using length of the wire can be increased in the using process.