762results about How to "Fasten the connection" patented technology

The invention provides a feather correcting and shearing integrated device for badminton production. The device comprises a box, a conveying belt, a hydraulic pump, supporting columns, a collecting box and control equipment, wherein the conveying belt is arranged on the inner side of the bottom end of the box, the hydraulic pump is arranged at the top of the box, the supporting columns are arranged on the left and right sides of the bottom of the conveying belt, the collecting box is arranged at the bottom of the left side of the conveying belt, and the control equipment is embedded in the front end of the box. The whole device is stable in structure, high in feather carding capacity, simple and convenient in shearing operation step, high in feather shearing efficiency, convenient in feather fixing operation and high in stability.

The invention provides a 45-degree tenon connection board applied to the wooden door and window vertical connecting angle part, consisting of a section sheet corresponding to the 45-degree cross section of the wooden door and window vertical connecting angle part, connecting cylinder, a slot and a positioning heave, wherein, the connecting cylinder which is connected with a reserved cylindrical hole corresponding to the 45-degree cross section of the wooden door and window vertical connecting angle part is fixed on two surfaces of the section sheet vertically and symmetrically; the slot which corresponds to a reserved groove of the 45-degree cross section of the wooden door and window vertical connecting angle part is positioned on the section sheet, a dovetail joint for matching use is inserted into a dovetail groove formed by the reserved groove and the section sheet slot; and the section sheet is provided with the positioning heave for accurately positioning the groove on the 45-degree cross section of the window sash vertical connecting angle part. The 45-degree tenon connection board has the advantages that the connection is firm, so that the connection of door and window angle parts is more convenient; the 45-degree matching and the lateral surface of the wooden door and window 45-degree tenon connection board form decoration lines on the surface of the window and the door, thereby making the appearance of the window and the door more beautiful.

The invention relates to a gas suction pump assembly and a cold storage and freezing device. The gas suction pump assembly comprises a sealing box and a gas suction pump; two connecting pipes used for communicating the inner space of the sealing box with the outer space of the sealing box are embedded in the sealing box; the end portions, located on the inner side and the outer side of the sealing box, of each connecting pipe are each a pagoda-shaped connector facilitating sleeved arrangement of a soft pipe; the gas suction pump is arranged in the sealing box; a gas inlet pipe of the gas suction pump is connected to one connecting pipe through the corresponding soft pipe; and a gas outlet pipe of the gas suction pump is connected with the other connecting pipe through the corresponding soft pipe. The gas suction pump assembly is small in running noise, the disassembling and assembling process in the cold storage and freezing device is quite convenient, and the gas inlet pipe and the gas outlet pipe of the gas suction pump can be conveniently led out of the sealing box.

The invention discloses a liquid crystal panel. The panel comprises a TFT substrate, a CF substrate disposed on the TFT substrate, a liquid crystal filled between the TFT substrate and the CF substrate and a first polarizer attached to the outer surface of the CF substrate, at least one end surface of the TFT substrate extends beyond the side end surface of the CF substrate to form a binding end for connecting COF, the first polarizer completely covers the TFT substrate, the first polarizer, the binding end and the end surface of the binding end are provided with packaging adhesives, and the COF portion near the end surface of the binding end is wrapped in the packaging adhesives. The invention also discloses a manufacturing method of the liquid crystal panel. The liquid crystal panel firstly connects the binding end on the TFT substrate with the COF, and then attaches the polarizer, which does not need to fill the bare binding end through dispensing, reduces the production costs, avoids circuit printing processing caused by the externally arranged TFT substrate, and simplifies the process.

The invention belongs to the technical field of submarine cables, and particularly relates to a winding device with a decontamination function for a submarine cable. Aiming at the problems that the surface of the cable is not decontaminated, the phenomenon of unwinding cannot be effectively avoided, and a winding cylinder is not fastened, the winding device comprises a supporting base, supportingcolumns are arranged on the outer wall of one side of the top of the supporting base, a waste water tank is arranged on the outer walls of one sides of the supporting columns, the inner wall of one side of the waste water tank is provided with a cleaning tank, and the outer wall of the top of the cleaning tank is provided with a cleaning groove; a circular hole is formed in the outer wall of one side of each supporting column, the inner wall of each circular hole is provided with eight-claw inverted teeth, and reset springs are arranged on the outer walls of the eight-claw inverted teeth. Thewinding device converts friction force into power, bristles are driven to clean the surface of the cable through the rotation of cross-shaped rotating plates, the unwinding phenomenon caused by the gravity of the cable is avoided, winding is more stable through the negative pressure in the winding cylinder, and the cable is prevented from getting loose.

The invention discloses a three-way joint of a protection net. The three-way joint comprises a nylon three-way joint body, wherein the nylon three-way joint body is provided with three sections of joints used for connecting the border of the protection net; the three sections of joints are respectively provided with an inner hole, and the three inner holes are mutually communicated; a metal plate is respectively inserted in each inner hole; and the three metal plates are tightly connected. The three-way joint of the protection net has the advantages of reliable connection, high safety coefficient, strong anti-theft capacity, simple structure, convenient manufacture and low cost.

The invention discloses a two-way joint of a protective net. The two-way joint comprises a nylon two-way joint body, wherein the nylon two-way joint body is provided with two sections of joints used for connecting a border of the protective net; the two sections of joints are respectively provided with an inner hole, and the two inner holes are mutually communicated; and two metal plates are respectively inserted into the inner holes and tightly connected. The two-way joint of the protective net has the advantages of reliable connection, high safety factor, strong anti-theft capacity, simple structure, convenient manufacture and low cost.

The invention discloses a modularly combined trailer coach and a building method. The modularly combined trailer coach comprises a loading module, a housing module and a functional module which are sequentially connected. Housing bottom frame cross beams and housing top frame cross beams are connected with the loading module and the functional module to form a bottom frame and a top frame of the housing module. Wallboards are arranged between the housing bottom frame cross beams and the housing top frame cross beams. An inverted V-shaped roof truss is arranged on a top frame cross beam of the loading module and a top frame cross beam of the functional module and achieves connection through a ridge cross beam. Roof panels are arranged between the ridge cross beam and the housing top frame cross beams. Triangular box barge covers are arranged between the inverted V-shaped roof truss and the top frame cross beams. In this way, the modularly combined trailer coach is formed. Through modular and standardized design and repeatedly detachable member connection design, containerized storage and transport, modular combination and expansion and repeatedly detachable use of the trailer coach are achieved, the utilization benefit of the trailer coach is increased, and resource waste and environment pollution are reduced.

The invention provides a door and window system with a door and window 45-degree tenon connection board and an assembling method thereof. The door and window system comprises vertical posts and transverse posts which form door and window sashes, wooden door and window 45-degree tenon connection boards and dovetail joints, wherein, the 45-degree tenon connection boards are positioned between the door and window vertical posts and transverse posts, connecting cylinders are respectively in interference fit and joggled joint with cylindrical holes of the door and window vertical posts and transverse posts, slots on the tenon connection boards after the connection and grooves on the door and window vertical posts as well as grooves on the transverse post form dovetail grooves, dovetail joints are respectively arranged inside dovetail grooves of the door and window vertical posts, the transverse posts, wooden door and window 45-degree tenon connection board assembly parts and is in interference fit and joggled joint. The door and window system and the assembling method have the advantages that: 1. the connection is firm, various shortcomings caused by the prior 90-degree gluing tenon groove connection way are overcome, the door and window angle parts are connected more firmly; 2. the system has the function of external decoration, the 45-degree matching of the angle parts and the lateral surfaces of the wooden door and window 45-degree connection boards form silver threads on the surface of the door and the window, thereby making the door and the window more beautiful.

The invention discloses composite wallboard structures and a composite wall. The composite wallboard structures each comprise two face boards arranged oppositely. Every two face boards are connected through a metal keel framework. A cavity is defined by every two face boards and the corresponding keel framework. A filler is arranged in each cavity. The keel frameworks each comprise a first keel and a second keel which are arranged in the height direction of the corresponding face boards. The first keels and the second keels are arranged oppositely and parallelly and located on the edges of the two sides of the face boards correspondingly. Each second keel is provided with a groove. Each first keel is provided with a tenon matched with the wall of the corresponding groove in the position with the height being equal to that of the groove. The whole composite wall is formed by joggling of the tenons and the grooves of adjacent wallboards, and connection of the composite wall is firm. Due to the fact that the tenons and the grooves are arranged on the first keels and the second keels correspondingly, the keel frameworks composed of the first keels and the second keels are connected and installed between the two face boards to enable the keel frameworks, the face boards and the fillers to constitute a whole, and accordingly the keel frameworks, the face boards and the fillers can be conveniently installed on a construction occasion. The composite wallboard structures and the composite wall can be used for the building construction field.

The invention provides a pipeline anti-displacement anti-floating mechanism and a pipeline anti-floating construction method, and belongs to the field of buildings. The mechanism comprises a cross rod, at least one group of diagonal bracing assembly and at least two groups of limiting components, wherein the cross rod is arranged above the pipeline in parallel, the diagonal bracing assemblies comprise diagonal bracing pipelines and positioning structures, the positioning structures comprises flat steel, a plurality of clamping sheets and friction pads, one ends of the diagonal bracing pipelines are hinged to the transverse rod, the other ends of the diagonal bracing pipelines are connected to the flat steel, one ends of the plurality of clamping sheets are connected to the flat steel, theother ends of the plurality of clamping sheets are connected to the friction pads, a plurality of protrusions are mounted on the friction pads and are movably abut against the inner side walls of a foundation pit, the two groups of limiting components are movably arranged at the bottom of the cross rod and are positioned on two opposite sides of the pipeline, and one ends of the two groups of limiting components are abutted against two opposite inner side walls of the foundation pit correspondingly. The mechanism has the advantages of being reasonable in structure, light, economical and practical, capable of being repeatedly used and suitable for two working conditions of foundation pit vertical excavation and unprotected open cut excavation.

The invention discloses a bridge reinforcing device for municipal bridge engineering, which relates to the field of bridge reinforcement. The arc-shaped plate and the arc-shaped clamping plate are used for supporting the beam plate; the pressure on the surface of the beam plate is transmitted; the pressure is primarily damped through the transverse plate; pressure is transmitted to the damping mechanism; the compression amount of the spring is adjusted by rotating the internal thread pipe; the force borne by the beam plate can be counteracted and weakened; the hydraulic rod is matched with thecylinder for damping and energy dissipation; the middle part of the bottom surface of the beam plate is supported through the arc-shaped clamping plate; the stress range of the middle part of the beam plate is increased; the arc-shaped plate is used for supporting the beam plate; the contact area between the bottom face of the beam plate and the supporting mechanism is increased, the stability ofthe device is higher, then the supporting column and the beam plate are connected through the first connecting plate and the second connecting plate, the supporting column and the beam plate are tightened through cooperation of the threaded rod and the threaded sleeve, connection between the supporting column and the beam plate is firmer, and operation is easy and convenient.

The invention provides a cutting device for cloth production, which comprises a connecting pillar, an electric cylinder, a protecting cover, a rotary shaft, a cutter, a motor, a workbench, a cutting plate, a baffle, an electric telescopic rod, a lug boss and a holding box; the inner part of the connecting pillar is equipped with the electric cylinder, and the lower end of the electric cylinder is provided with the protecting cover; the inner part of the protecting cover is fixed with the rotary shaft, and the cutter is assembled on the rotary shaft; the right end of the protecting cover is equipped with the motor, and the motor is connected with the rotary shaft by crossing through the protecting cover. The design can protect the cutter and workers; the cutting plate is mounted at the inner part of the workbench and extended to the outer end of the workbench; the upper end of the cutting plate is provided with the baffle, and the baffle is fixed at the upper end of the workbench; the outer end of the cutting plate is equipped with the electric telescopic rod, and the electric telescopic rod is arranged at the inner part of the lug boss; the holding box is inlaid at the front end of the workbench. The design can hold garbage; the cutting device is simple in operation, safe and reliable in use, and high in production efficiency.

The invention discloses an extruding taper sleeve locking-type steel bar joint and a method for connecting steel bars by using the extruding taper sleeve locking-type steel bar joint. The extruding taper sleeve locking-type steel bar joint comprises a double-screw bolt, a pair of jacket nuts, taper sleeves and locking plates, wherein the pair of jacket nuts are arranged on the double-screw bolt back to back, the taper sleeves are sleeved in the jacket nuts, the end surfaces of the taper sleeves are exposed outside the end surfaces of the jacket nuts, and the locking plates are arranged in the taper sleeves. The method comprises the following steps: arranging the pair of jacket nuts, and connecting the jacket nuts with the double-screw bolt in a screwing manner, so that the locking plates are tightly compacted by the taper sleeves in the jacket nuts and are in fastening connection with the steel bars, thus realizing the connection of the steel bars. The method for connecting the steel bars has the advantages that an extrusion device is used for extruding the taper sleeves, so that clearances occur between the jacket nuts and the taper sleeves, then the jacket nuts are connected with the double-screw bolt in a screwing manner so as to eliminate the clearances between the jacket nuts and the taper sleeves, so that the torque is reduced, thus the installation is convenient and labor-saving, the production efficiency is high, and the connection is reliable.

The invention provides a testing device for assisting rod-shaped sample uniaxial drawing through pulse current. The device comprises a pulse power source and a drawing test machine, the drawing test machine comprises drawing clamps and a driving device, the drawing clamps are fixedly connected with the two ends of a rod-shaped sample, the driving device is used for driving the drawing clamps to get close to or away from each other, and the two ends of the rod-shaped sample are provided with conductive rings connected with the positive pole and the negative pole of the pulse power source respectively. Each drawing clamp is provided with a wedged-shaped cavity, wherein the cavity is internally provided with two opposite insulating clamping blocks, the opposite sides of the two insulating clamping blocks are provided with clamping grooves, each clamping groove is internally provided with a positioning clamping block, the opposite sides of the two positioning clamping blocks are provided with positioning grooves used for containing the two ends of the rod-shaped sample and the conductive rings, and knurled anti-skid structures are arranged on the contact surfaces of the positioning grooves and the rod-shaped sample. The device is suitable for research of deformation behaviors of rod-shaped metal materials under the action of the pulse current, processing of the sample is facilitated, material waste is avoided, and joule heat generated at the joints is reduced.

The invention discloses a time-delay sliding sleeve and belongs to the field of oilfield development. The time-delay sliding sleeve comprises a left joint, an outer cylinder, a right joint, an inner cylinder, a partition ring, a time-delay mechanism and a starting ring, wherein the left joint, the outer cylinder and the right joint are sequentially connected from left to right; the cylinder diameter of the left end of the inner cylinder is greater than that of the right end of the inner cylinder, and the inner cylinder is slidably arranged in the outer cylinder in a sleeved mode. The inner cylinder is connected with the starting ring, a sealed annular space is arranged between the inner cylinder and the outer cylinder, and the starting ring is used for being separated from the inner cylinder after the pressure reaches a preset value. A fracturing hole located in the left side of the annular space is formed in the side wall of the outer cylinder. Hydraulic oil is arranged in a right cavity, and the time-delay mechanism is used for controlling the flow of the hydraulic oil and real-time connecting and disconnecting of the right cavity and a left cavity. The time-delay sliding sleevecan meet the construction requirement of building of a first-section fracturing channel, and is easy to operate, short in operation period and low in cost, the communicating time between an inner cavity of the inner cylinder and the fracturing hole can be controlled precisely, and full-wellbore pressure test is achieved.

The invention relates to the field of geological exploration equipment, and particularly relates to an exploration drill bit and a manufacturing process thereof. The exploration drill bit comprises adrill tip, a drill body, a cover plate, a power supply, a controller and an infrared camera, wherein the drill tip, the drill body and the cover plate are sequentially connected from bottom to top, the drill tip is conical, the drill body is cylindrical, the cover plate is disc-shaped, a cavity is formed in the drill point, the drill body and the cover plate, the power supply, the controller and the infrared camera are mounted in the cavity, and the power supply and the infrared camera are electrically connected with the controller; an inner connecting ring vertically extending upwards is arranged at the top end of the drill tip, an outer connecting ring vertically extending downwards and arranged on the inner connecting ring in a sleeving mode is arranged at the bottom end of the drill body, the inner connecting ring is in threaded fit with the outer connecting ring, and a plurality of probe holes horizontally penetrating through the lower half portion of the inner connecting ring arefurther formed in the inner connecting ring. The drill tip and the drill body of the drill bit can be easily separated and folded, connection is firm after folding, the structure is reasonable, and sealing performance is good.

The invention discloses a novel antiseptic heat preservation crude oil conveying pipeline, and mainly relates to a crude oil conveying pipeline. The novel antiseptic heat preservation crude oil conveying pipeline comprises a pipeline body and further comprises a power generation device and a control box. An antiseptic and antirust layer, a heating layer, a heat preservation and isolation layer, a heat isolation coating layer, a waterproof and antirust layer and connecting outer pipes are sequentially arranged on the pipeline body from interior to exterior. A flow control valve is arranged between the adjacent connecting outer pipes. The power generation device comprises a wind power generation device, a solar power generation device and a power generation support. An overall control system, a storage battery and a charging protector are arranged in the control box. The overall control system comprises a temperature control system and a battery control system. The novel antiseptic heat preservation crude oil conveying pipeline has the beneficial effects that by the arrangement of the heating layer, the temperature of the crude oil conveying pipeline can be increased, the viscosity of the crude oil is reduced, pipeline blockage caused by sediment due to the low temperature in the crude oil conveying process is avoided, the novel antiseptic heat preservation crude oil conveying pipeline can be suitable for crude oil conveying in high and cold areas, and the crude oil conveying efficiency is improved.

The invention relates to a sleeve nut, a fastener and an installation method of the fastener. The sleeve nut comprises a base, a sleeve and an interlocking key, wherein the base, the sleeve and the interlocking key are sequentially arranged. The outer diameter of the base is larger than that of the sleeve, and a circumferentially-arranged first knurled gear is arranged at the end, close to the base, of the sleeve. A through hole is formed inside the sleeve, or a threaded hole is formed in the side, close to the interlocking key, of the interior of the sleeve. According to the sleeve nut, as the end provided with the base is connected with a section in an interference fitting mode through the first knurled gear, and the end provided with the interlocking key is buckled to the section through flowing of a material, the sleeve nut is connected with the section in a fastened mode, no requirement for the wall thickness of the section exists, welding and re-tapping are not required, and cost and energy consumption are reduced.

The invention provides a silicon capacitance microphone which comprises a circuit board and a cover board, wherein the cover board is connected with the circuit board, and the cover board is providedwith a sound hole. The silicon capacitance microphone also comprises a micro-electromechanical chip and a control circuit chip, wherein the micro-electromechanical chip is provided with a back cavity;the control circuit chip is electrically connected with the micro-electromechanical chip; the circuit board and the cover board form a cavity; the micro-electromechanical chip and the control circuitchip are positioned in the cavity and respectively arranged on the cover board; and the cover board comprises a bottom board and a side board which extends from the bottom board and is connected withthe circuit board. The silicon capacitance microphone also comprises a shielding sheath, wherein the shielding sheath comprises a body and a crimping side connected with the body; the body of the shielding sheath covers the side board and the bottom board of the cover board, and the crimping side of the shielding sheath is positioned outside the circuit board; the circuit board is fixed with thecover board by the crimping side; the position of the shielding sheath, corresponding to the sound hole, is provided with an opening, and the back cavity of the micro-electromechanical chip is opposite to the sound hole. The signal-to-noise ratio of the silicon capacitance microphone is improved, and the shielding effect is favorable.

The invention relates to a gas suction pump assembly and a cold storage and freezing device. The gas suction pump assembly comprises an installing box and a gas suction pump; a containing space is defined in the installing box; at least part of the box wall of the installing box is made from a micro-porous silencing plate; the surface of the micro-porous silencing plate is provided with a plurality of silencing through holes; the gas suction pump is arranged in the installing box; and the micro-porous silencing plate is arranged to absorb noise generated by the gas suction pump when the gas suction pump runs. By means of the micro-porous silencing plate, the gas suction pump assembly reduces outward spreading of the noise when the gas suction pump runs.

A rotary spray head device for a high-pressure cleaning machine relates to an accessory for the high-pressure cleaning machine. The rotary spray head device for the high-pressure cleaning machine comprises a spray head cover body connected with a water gun, wherein a water inlet base is arranged at the upper end of the inner cavity of the cover body; a water outlet base is arranged at the bottom end of the inner cavity of the cover body; radial through holes are formed at the bottom of the cover body below the water outlet base; a rotator is arranged inside a cavity between the water inlet base and the water outlet base; the water inlet base consists of a drain plug and a water inlet cabin; a sealing ring is arranged at the junction of the drain plug and the inner wall of the cover body; the water inlet cabin takes the shape of a lug boss; a step-like groove is formed in the center of the water inlet cabin; water inlets are formed at the bottom of the groove and deviate from the center of the water inlet cabin; the bottom of the rotator is arc-shaped; an end socket is arranged at the top end of the rotator; a central hole communicated with the water inlet is formed in the inner wall of the rotator; a sealing ring is arranged on the outer wall of the rotator; the water outlet base is a step-like lug boss; a radial water outlet is formed in the center of the water outlet base; a bowl-shaped arc groove is formed in the top surface of the water outlet base; the water outlet is communicated with the arc groove; and the bottom of the rotator contacts the arc groove.

The invention discloses a motor rotor assembly. The motor rotor assembly comprises a permanent magnet, a rotor iron core and a magnetic ring. The rotor iron core comprises an annular ring and a plurality of permeability blocks, wherein the annular ring is provided with a center axle hole, and the permeability blocks protrude out of the outer side of the annular ring, through holes are formed in the permeability blocks, a radial groove is formed between every two adjacent permeability blocks, the permeability blocks are embedded into the radial grooves, the end face and the bottom face of the rotor iron core are provided with an end plate and a bottom plate in an injection molding mode respectively, the end plate and the bottom plate are connected into a whole through a connecting column penetrating through the through holes, the end face of the end plate is provided with an annular groove, and the magnetic ring is embedded into the annular groove. The motor rotor assembly is simple in structure, easy to install, and good in inducting effect, the magnetic ring materials are saved, and cost is reduced.

The invention discloses an endoscope. The endoscope is characterized in that an inserting part is provided with a controllable bending pipe; the controllable bending pipe comprises a plurality of round-pipe-shaped pipe joints which are connected in series; one end of each pipe joint is provided with a first C-shaped occlusion part, and the opening direction of the first C-shaped occlusion part andthe axial direction of the controllable bending pipe form a first included angle; a first C-shaped gap is arranged around the outer side of the first C-shaped occlusion part; the other end of each pipe joint is provided with a second C-shaped occlusion part matched with the first C-shaped gap, and the inner side of the second C-shaped occlusion part is provided with a second C-shaped gap and a spherical bulge matched with the first C-shaped occlusion part; when the pipe joints are connected in series, the spherical bulges are clamped in the first C-shaped occlusion parts, and the first C-shaped occlusion parts and the second C-shaped occlusion parts can do relative movement respectively in the second C-shaped gaps and the first C-shaped gaps of the adjacent pipe joints. The endoscope disclosed by the invention has the beneficial effects that the spherical bulges are difficult to fall off from the first C-shaped occlusion part, so that the connection between the pipe joints is firmer;the opening direction of the second C-shaped occlusion part and the axial direction of the bending pipe also form an included angle, so that the fastening property of connection is further improved.

The invention provides an auxiliary tool for adobe turnover, which includes an air bag, a splint, a spring, a push plate, a cylinder, a support plate, an electric lift, a motor, a support plate, a sliding pole and a fixed pole. It is installed at the rear end of the spring, and a push plate is installed at the front end of the spring. The push plate is installed at the rear end of the cylinder, and two cylinders are symmetrically arranged at the left end of the support plate. This design can realize the clamping of the hollow brick without causing damage to the hollow brick. Symmetrically arranged on the left and right sides of the electric lift, the sliding pole is assembled inside the fixed pole, the sliding pole is symmetrically placed on the lower end of the support plate, the support plate is set on the upper side of the fixed pole, and the support plate is placed on the upper end of the electric lift. An electric motor is installed on the top of the support plate. This design improves work efficiency and reduces work intensity. The invention is easy to use, easy to operate, good in stability and reduces labor intensity.

The invention relates to a preparation method of spherical mesoporous carbon for blood purification. The preparation method comprises the following steps: synthesizing SiO2 nano sol by taking water glass as a raw material, uniformly mixing the SiO2 nano sol with resorcinol-formaldehyde, performing prepolymerization to form organic-inorganic gel, adding the gel into a dispersing phase to form spherical organic-inorganic compound gel under the stirring action, then performing separation and cleaning, and performing sodium hydroxide etching through high-temperature carbonization after normal pressure drying, thus obtaining the spherical mesoporous carbon. Compared with the prior art, the preparation method disclosed by the invention has the advantages that the preparation cost is low, the conditions are simple, the operation is easy, and the prepared spherical mesoporous carbon is high in sphericity, controllable in particle size, rich in pore structure, smooth in surface, high in intensity, low in ash content, high in abrasion resistance, high in blood compatibility and the like.

The invention discloses a connecting structure for a tire pressure monitoring sensor and an inflating valve. A mounting hole is formed in a valve rod of the inflating valve and provided with a smooth inner wall. A mounting table is arranged on an electronic signal box of the tire pressure monitoring sensor and provided with a through hole. The valve rod stretches into the middle of the through hole from the first side of the mounting table and abuts against the mounting table. A self-tapping screw penetrates the through hole from the second side of the mounting table and carries out tapping on the mounting hole of the valve rod. The self-tapping screw is directly engaged with an internal thread tapped in the mounting hole, and the end face of the self-tapping screw abuts against the mounting table, so that the inflating valve and the tire pressure monitoring sensor are in fastening connection. According to the connecting structure, the mounting hole is formed in the valve rod of the inflating valve and provided with the smooth inner wall, the self-tapping screw is directly engaged with the internal thread tapped in the mounting hole in the tapping process of the self-tapping screw, reliable locking threaded connection is formed, and an anti-loose effect is provided; and the connecting structure is simple and convenient to operate and has the stable connecting reliability.

The invention belongs to the technical field of box structure building structures, and particularly relates to a fabricated box structure building. The fabricated box structure building comprises box units used for being spliced to form a fabricated box structure building body. The box units comprise a plurality of standard layer box units arranged on a first layer, a plurality of top layer box units arranged on a second layer and staircase box units used for communicating the first layer with the second layer. When a house is built by adopting a steel structure box component of the fabricated box structure building, the construction process of the box units is completed in a factory, assembly of the box units, pipe lines communicating and a small amount of decoration work are only needed on a site, the degree of assembly is high, the working efficiency is improved, the construction cycle is shortened greatly, the degree of industrialization is high, the product quality is easy to control, and the production efficiency is improved; and because the box units are completed in the factory, the fabricated box structure building is less affected by climate, and the fabricated box structure building is suitable for extensive industrialization production.