32results about How to "Guaranteed elastic contact" patented technology

The invention discloses a general flexible in-ear hearing aid. The general flexible in-ear hearing aid comprises a front part, a middle part and a back part of a hearing aid, wherein the front part of the hearing aid further comprises a loudspeaker; the back part of the hearing aid comprises a machine body; the middle part of the hearing aid comprises a sound transmitting device; the sound transmitting device is a flexible or soft connecting device; one end of the soft connecting device is connected to the front part of the hearing aid, and the other end of the soft connecting device is connected to the back part of the hearing aid. The in-ear hearing aid provided by the invention can be placed in an ear completely; the hiding performance is strong; the hearing aid is always elastically contacted with an ear canal and is worn comfortably and stably; the front part can be placed in a deep canal close to human eardrum; air in the ear is circulated when the hearing aid is worn; and the ear is not easily to sweet after wearing the hearing aid for a long time; the feedback and occlusion effects are effectively reduced; the transmitted sound is clear; the gain loss is small; and the general flexible in-ear hearing aid is suitable for being used by any patient with hearing impairment.

The invention discloses an efficient sheet coating machine for processing a lead-acid storage battery grid. The efficient sheet coating machine comprises a working machine box. A feeding port and a discharging port are formed in the side walls of the two ends of the working machine box correspondingly. A roller feeding linkage mechanism and a roller discharging linkage mechanism are arranged at the lower ends of the outer sides of the feeding port and the discharging port and are provided with grid sheets which are in a stretched state. A material storing and stirring barrel is mounted at oneend, close to the feeding port, of the top of the working machine box, and the other end is provided with a heating device box. The two sides of the heating device box are provided with fan units correspondingly. The two ends of air pipes on the two fan units are connected with the two sides of the heating device box and the two side shells of the working machine box and extend to the interior ofthe working machine box to be connected with an air outlet cover. The interior of the working machine box is provided with a coating mechanism box vertically under the material storing and stirring barrel. Two porous pressing rollers are arranged in the coating mechanism box. By means of the efficient sheet coating machine, the coating quality of the battery grid sheets is effectively improved, and the production efficiency is remarkably improved as well.

The invention provides a driving rotary sludge scraping device of a filtered sludge treatment system, relates to the technical field of sludge scraping devices, and solves the problem that automatic feeding of a scraping plate cannot be realized through structural improvement. During scraping, vibration type cleaning and airflow impact type cleaning cannot be realized through structural improvement. The driving rotary sludge scraping device of the filtered sludge treatment system comprises a pipe body. A cleaning structure is rotationally connected to the pipe body, a scraping structure is mounted on the cleaning structure, and an auxiliary structure is mounted on the scraping structure. An air injection structure is installed on the pipe body, and a driving structure is rotationally connected to the pipe body. Through the arrangement of the cleaning structure, the head ends of three elastic telescopic rods are aligned with through holes, and the head ends of the three elastic telescopic rods are in elastic contact with the through holes, so that vibration cleaning of the through holes can be achieved through the elastic telescopic rods when a rotating shaft A rotates.

The invention relates to a sewage source drainage pipe dredging comprehensive operation vehicle and a using method thereof. The vehicle comprises a carrying vehicle, a sewage filter assembly and a baffle plate; a sewage inlet connected with a sewage source drainage pipe is formed in the baffle plate, and the filter residue sewage inletis also provided with a water inlet coarse filter mesh; the filter residue sewage filter assembly comprises a submersible sewage pump, a filter, a high pressure pump, a jet tube and a jet spraying head; the filter residue submersible pump is connected with the inlet coarse filter mesh; the filter residue filter and the highpressure pump are connected, the filter residuehighpressure pump is connected with the jet tube, and the filter residue jet spray head isarranged on the jet tube; the filter residue carrying vehicle is also provided with a vehicle-mounted diesel engine, the filter residue vehicle-mounted diesel engine is connected with a generator, andthe filter residue generator is electrically connected to the high pressure pump and the sewage filter assembly. The vehicle has the advantages of reasonable structural design, flexible operation anduse, low maintenance cost, high operation efficiency, high degree of automation and intelligence,the ability to completely remove debris in a drainage pipe and the like.

The invention discloses an inclined strut offshore wind power single pile foundation with a damping sleeve and a construction method. The inclined strut offshore wind power single pile foundation comprises a pile body, the damping sleeve, inclined struts, dampers and a rotating shaft. The multiple inclined struts are annularly and radially arranged along the outer wall of the damping sleeve, the viscous dampers are arranged in the damping sleeve and connected with the rotating shaft, and four-direction translation is achieved; the axis direction of the damping sleeve is consistent with the axis direction of the pile body, the space between the damping sleeve and the pile body is filled with the cement rubber particles, elastic contact is guaranteed, and meanwhile, the pile body is prevented from being separated from the damping sleeve under cyclic loads. The structure is simple, the inclined struts surround the lower portion of the mud surface around the foundation, the diameter of the pile body is reduced, the horizontal bearing capacity and stability of the pile body are guaranteed, horizontal lateral inclination of the pile body is avoided, installation is convenient and fast, and operation is easy and convenient.

The invention discloses an interlocking mechanism of a low-pressure drawer type switch cabinet. The interlocking mechanism comprises a torsion arm, a fan-shaped wobble wheel and a gear rack, wherein the fan-shaped wobble wheel is driven by the torsion arm; the gear rack is fixedly arranged on a leading-in plug; a square driving block is arranged on a rotating shaft of the torsion arm; the center of the fan-shaped wobble wheel is mounted on the square driving block; a gear is arranged on a wheel rim of the fan-shaped wobble wheel; the gear is meshed with the gear rack; and a limiting block is arranged at a position corresponding to a stoppage position of the torsion arm. The interlocking mechanism of the low-pressure drawer type switch cabinet, which is provided by the invention, the driving is carried out by adopting a gear rack transmission way; the leading-in plug can stably enter a leading-in plug operating hole; the running stability of the whole interlocking mechanism is guaranteed; moreover, due to the existence of the limiting block, the possibility of misoperation can be further prevented; the fan-shaped wobble wheel is guaranteed not to be disengaged from the gear rack; moreover, the torsion arm is guaranteed to be in elastic contact with the limiting block by means of a supporting spring; and the running safety of the whole mechanism is guaranteed.

The invention relates to a container port sealing device, and particularly relates to a leakage-proof end cover which is capable of supporting compact array arrangement of a mechanical rotating shaft and preventing liquid leakage along a rotating axial surface of the rotating shaft. The leakage-proof end cover is composed of three parts including a trimming bearing cover, a leakage-proof ring and an opening loop, and the three parts comprise sixteen constituent parts, namely, tangent planes, an end cover plate, fastener holes, an end cover top surface, a shaft hole, a leakage-proof groove, a lower protruding ring, an inner ring hole, leakage-proof surfaces, clamping leg brushes, a material containing groove, leg brush inclined planes, an outer cylindrical surface, a ring pipe and a hemisphere end surface. The container port sealing device provided by the invention has the characteristics that the seal is tight, the stability is strong, the protective property is good, the friction force is low, the adaptability is wide and the like, and has the advantages that the implementation is simple and the manufacture is easy. The product formed by the sealing device is beautiful and elegant in structure, is solid and durable, is convenient to use, and has a wide market space and a high added economic value.

The invention discloses an impedance testing apparatus comprising a base, a bracket, a test rack, a test carrier bench, an air cylinder and probes. The bracket is arranged on the upper surface of thebase and a plurality of impedance meters are arranged on the bracket. The test carrier bench is fixedly installed on the upper surface of the base by a plurality of bolts and is arranged below the probes. The probes are arranged in a plurality of probe bases. A spring sleeves the outer side of a connecting post; double-screw bolt hole and mounting holes are communicated. The probes are embedded into the mounting holes formed in the low surface of the probe bases from bottom to top and are fixedly connected with the probe bases by double-screw bolts embedded in the double-screw bolt holes. Thebolts are formed by bolt caps and bolt rods; and threads are formed at the outer surfaces of the bolt rods. A T-shaped hole is formed by a second through hole and a first through hole that are communicated left and right. The diameter of the double-screw bolt is smaller than that of the second through hole; and the threads of the bolts match threaded holes of the test carrier bench. With a supportbase, stability of the test rack is ensured and thus the stability of the test accuracy is guaranteed.

The invention relates to an integrated short connector of an instrument while drilling. The integrated short connector comprises a telescopic connector assembly, a fixed connector assembly and a drillcollar adapter substitute, wherein the drill collar adapter substitute comprises an upper drill collar adapter substitute and a lower drill collar adapter substitute; the telescopic connector assembly is mounted in the upper drill collar adapter substitute, and the fixed connector assembly is mounted in the lower drill collar adapter substitute; and the telescopic connector assembly is in butt joint with the fixed connector assembly. The connector is integrated with drill collar nipples of all instruments of a rotary geosteering system, and power supply communication in the instruments is achieved while threaded connection of the drill collars of all the instruments is achieved. In the manner of achieving internal communication in the instruments through direct connection of the drill collars, on one hand, the link of manual connection of a field operation is omitted, so that the construction safety risk is reduced, and the operation efficiency is improved; and besides, the threaded connection torque of the drill collars is utilized to ensure the reliability of internal connection power supply communication of the instruments, so that the use and assembly difficulty of the connector is reduced, the overall structure of the connector is simplified, and the length of the connector is shortened.

The invention relates to the technical field of grease applying of the inner wall of a pipeline, in particular to a device for applying lubricating grease to the inner wall of the pipeline. The device comprises a main oil plate, a first cover plate, a second cover plate and elastic grease applying mechanisms, wherein the main oil plate comprises an oil inlet hole, a main oil plate flow channel and oil outlet holes, wherein the oil inlet hole is arranged in the main oil plate, the main oil plate flow channel is arranged in the main oil plate and communicates with the oil inlet hole and the oil outlet holes, and the oil outlet holes are evenly distributed in the side face of the main oil plate; the first cover plate is fixed above the main oil plate; and the second cover plate is fixed below the main oil plate, and a second cover plate through hole corresponding to the oil inlet hole is arranged in the second cover plate. Through elastic elements, the elastic grease applying mechanisms are guaranteed to be in elastic contact with the inner wall of the pipeline needing to be subjected to grease applying and have a certain compression amount. The grease applying quality is guaranteed. The elastic grease applying mechanisms arranged on the periphery of the main oil plate smear several faces in the pipeline at a time, and the grease applying efficiency is high.

The invention provides a continuous change type integral piston ring mechanical loading device. The device comprises a piston, a loading device shell, a loading ejector rod and a connecting ejector rod, wherein the loading device shell is arranged on the top of the piston, a spring component installation hole is formed in the loading device shell, a spring component is installed in the spring component installation hole and comprises an outer spring fixture, an inner spring fixture and a spring, and the spring is located in a hollow structure formed by the outer spring fixture and the outer spring fixture; one end of the loading ejector rod is connected with the outer spring fixture, the other end of the loading ejector rod makes contact with a piston ring, a screw protrudes out of the middle of the loading device shell, an adjusting nut is installed on the screw, one end of the connecting ejector rod is connected with the inner spring fixture, and the other end of the connecting ejector rod makes contact with the adjusting nut. The integral piston ring can be loaded, uniform continuous quantitative loading of the peripheral direction of the piston ring is achieved, and relative elastic contact between the piston ring and a cylinder jacket is guaranteed.

The invention relates to the technical field of thin-film solar cells, in particular to an insulated wire resistance testing device and testing method. The testing device and the testing method for the resistance of the insulated wire comprise a rack; the supporting table is suitable for supporting the front electrode layer; the detection frame is installed on the rack and located above the supporting table; the plurality of module interfaces are embedded in the detection frame and are uniformly distributed along the length direction of the supporting table, each module interface is provided with a lead interface, and the lead interface is suitable for being connected with an external power supply through a lead; and the plurality of probes are inserted into the module interfaces adjacently or at intervals and are connected with the corresponding lead interfaces. The insulation wire resistance testing device and testing method provided by the invention can be suitable for detection of front electrode layers with different segmentation distances, and the application range is wider.

The invention discloses a double-sealing high-temperature high-pressure elastic ball valve seat structure. The structure involves a ball body, a valve seat, sealing rings I, sealing rings II, a springseat, a spring, a pressing ring, a pressing sleeve and a valve body, wherein a deep groove is formed in the end, abutting against the ball body, of the valve seat, the valve seat is provided with twoconcentric sealing rings I, the sealing rings I are fixed through the spring seat, the spring is mounted on the spring seat, the spring abuts against the pressing ring, two concentric sealing rings II are arranged between the pressing ring and the pressing sleeve, and the pressing sleeve abuts against the valve body. The structure has the beneficial effects that the improved high-temperature high-pressure ball valve structure has double sealing, and meanwhile, the valve seat has certain elasticity so that the risk of medium leakage can be effectively reduced, and the safety of the valve usedin field working conditions is ensured.

The invention relates to a four roller corn thresher. When a left main threshing roller and a left auxiliary threshing roller rotate anticlockwise and a right main threshing roller and a right auxiliary threshing roller rotate clockwise, the left auxiliary threshing roller is installed between a left side plate and a left main threshing roller, and the right auxiliary threshing roller is installedbetween a right side plate and the right main threshing roller; notches A are formed in the two sides of the tail of a pressing plate, and notches B are formed in the tails of the left side plate andthe right side plate; threshing parts are arranged at the notches A, one ends of the threshing parts are fixed to the pressing plate through locating springs, and the other ends of the threshing parts penetrate through the notches B to be connected with a machine body; the threshing part is a whole body or is at least composed of a threshing part A and a threshing part B which are movably connected. By arranging threshing parts at the notches, the purposes of increasing the threshing rate and solving the problems that elastic parts are prone to damage and the replacement cycle is short are achieved.

The invention discloses an automatic impedance testing device for a fingerprint chip. The automatic impedance testing device comprises a base, a bracket, a test rack, a test carrier, an air cylinder and a probe. The bracket is disposed on the upper surface of the base and a plurality of impedance meters are disposed on the bracket. The air cylinder is mounted on the upper surface of the test rackand a piston rod of the air cylinder is fixedly connected with a movable plate. A blind hole for inserting the probe is formed in the lower surface of a probe base, a stud hole is communicated with the blind hole, the probe is inserted into the blind hole in the lower surface of the probe base from bottom to top and is fixedly connected with the probe base through a stud embedded in the stud hole.A plurality of threaded holes are formed in the test carrier, the diameter of a nut is greater than the diameter of a first through hole of a T-shaped hole, the diameter of a screw is smaller than the diameter of a second through hole, and the thread of a bolt is matched with the threaded hole of the test carrier. The automatic impedance testing device, as a spring is arranged on a connecting column, not only achieves good detection accuracy, but also protects a chip to be tested from damage, thus the quality and accuracy of the test are ensured.

The invention discloses a high-efficiency smear machine for cutting and processing lead-acid battery plates, which comprises a working case, and the side walls at both ends of the working case are respectively provided with a material inlet and a material outlet. The lower end of the outer side of the discharge port is respectively provided with a roll loading / unloading linkage mechanism, and the two mechanisms are provided with a plate strip in a stretched state. Stirring barrel for storing materials, the other end is equipped with a heating device box, the two sides of the heating device box are respectively equipped with fan units, and the two ends of the air pipes on the two fan units are connected to both sides of the heating device box and The shells on both sides of the working case extend to the inside of the working case and are connected with an air outlet cover, and a coating mechanism box is arranged directly below the vertically corresponding to the storage mixing barrel inside the working box, and the coating mechanism box is provided with two Perforated rollers. The invention not only effectively improves the smearing quality of the cell board cutouts, but also significantly improves the production efficiency.

The invention relates to a reed type low board spacing elastic radio frequency connector, which comprises an outer conductor, an insulator arranged in the outer conductor and an inner conductor arranged in the insulator, and the outer conductor includes a first outer shell and an axial floating sleeve The second outer shell provided on the upper end of the first outer shell; the inner conductor is a reed structure, which includes a connected elastic part and a mounting part, and the elastic part is provided with an upper contact for elastic contact with the upper printed board The mounting part is provided with a lower contact point for elastic contact with the lower printed board. In the use state, the inner and outer conductors are in elastic contact with the upper and lower printed boards to realize high-speed and stable transmission of radio frequency signals. The inner conductor of the reed structure can maintain good contact with the printed board when it is compressed. Force, has good anti-vibration performance, compared with the existing pin-type inner conductor, the structure stability of the present invention is strong, can reduce the axial dimension of the radio frequency connector, and compress the distance between the boards.

The invention relates to a four-roller corn thresher. The four-roller corn thresher comprises a pressing plate, a left side plate, a right side plate, a base plate and a baffle; a left threshing spaceand a right threshing space are formed between the pressing plate, the left side plate, the right side plate, the base plat and the baffle, gaps A are formed in the portion, at the upper left parts of the left threshing space and the right threshing space, at the tail of the pressing plate, and gaps B are formed in the tails of the left side plate and the baffle; threshing parts are arranged at the gaps A, one ends of the threshing parts are fixed to the pressing plate through a locating spring, and the other ends of the threshing parts penetrate through the gaps B to be connected with a thresher body; the threshing parts are wholly or partially formed by movably connecting a threshing part body A and a threshing part body B. According to the four-roller corn thresher, by arranging the threshing parts at the gaps, the purposes of increasing the threshing rate, solving the problem that elastic parts are easily damaged, and shortening the replacing period are achieved.

The invention relates to a container port sealing device, and particularly relates to a leakage-proof end cover which is capable of supporting compact array arrangement of a mechanical rotating shaft and preventing liquid leakage along a rotating axial surface of the rotating shaft. The leakage-proof end cover is composed of three parts including a trimming bearing cover, a leakage-proof ring and an opening loop, and the three parts comprise sixteen constituent parts, namely, tangent planes, an end cover plate, fastener holes, an end cover top surface, a shaft hole, a leakage-proof groove, a lower protruding ring, an inner ring hole, leakage-proof surfaces, clamping leg brushes, a material containing groove, leg brush inclined planes, an outer cylindrical surface, a ring pipe and a hemisphere end surface. The container port sealing device provided by the invention has the characteristics that the seal is tight, the stability is strong, the protective property is good, the friction force is low, the adaptability is wide and the like, and has the advantages that the implementation is simple and the manufacture is easy. The product formed by the sealing device is beautiful and elegant in structure, is solid and durable, is convenient to use, and has a wide market space and a high added economic value.

The invention relates to the technical field of oiling the inner wall of a pipe, in particular to a lubricating grease oiling device for the inner wall of a pipe. Including a main oil plate, the main oil plate includes an oil inlet hole, a main oil plate flow channel, and an oil outlet hole, the oil inlet hole is set on the main oil plate, and the main oil plate flow channel is set on the The main oil plate communicates with the oil inlet hole and the oil outlet hole, and there are several oil outlet holes distributed on the side of the main oil plate. A first cover plate, the first cover plate is fixed above the main oil plate. A second cover plate, the second cover plate is fixed below the main oil plate, and a second cover plate through hole corresponding to the oil inlet hole is arranged on it. Elastic oiling mechanism. The elastic element of the invention ensures elastic contact between the elastic oiling mechanism and the inner wall of the pipeline to be oiled, and has a certain amount of compression. Guaranteed the quality of oil coating. The elastic oiling mechanism arranged around the main oil plate smears several surfaces inside the pipeline at one time, and the oiling efficiency is high.

The invention discloses an interlocking mechanism of a low-pressure drawer type switch cabinet. The interlocking mechanism comprises a torsion arm, a fan-shaped wobble wheel and a gear rack, wherein the fan-shaped wobble wheel is driven by the torsion arm; the gear rack is fixedly arranged on a leading-in plug; a square driving block is arranged on a rotating shaft of the torsion arm; the center of the fan-shaped wobble wheel is mounted on the square driving block; a gear is arranged on a wheel rim of the fan-shaped wobble wheel; the gear is meshed with the gear rack; and a limiting block is arranged at a position corresponding to a stoppage position of the torsion arm. The interlocking mechanism of the low-pressure drawer type switch cabinet, which is provided by the invention, the driving is carried out by adopting a gear rack transmission way; the leading-in plug can stably enter a leading-in plug operating hole; the running stability of the whole interlocking mechanism is guaranteed; moreover, due to the existence of the limiting block, the possibility of misoperation can be further prevented; the fan-shaped wobble wheel is guaranteed not to be disengaged from the gear rack; moreover, the torsion arm is guaranteed to be in elastic contact with the limiting block by means of a supporting spring; and the running safety of the whole mechanism is guaranteed.

The invention relates to an artistic wooden square modeling wall structure, which comprises a wooden square veneer, a vertical steel frame, a horizontal steel sheet, elastic rubber and an adhesive, the vertical steel sheet is arranged between the horizontal steel sheets, and the The elastic rubber is arranged on the side of the transverse steel sheet, and the elastic rubber and the transverse steel sheet are connected by an adhesive, and the wood veneer is arranged on the elastic rubber. The artistic wooden square molding wall structure of the present invention ensures the elastic contact between the wooden square decorative surface and the roof and the ground, avoiding cracking of the roof and ground materials in the later stage; in addition, the elastic rubber and the transverse steel sheet are connected by high-strength adhesive to ensure that the rubber and the ground are in contact with each other. The connection of the steel sheet is firm and not easy to fall off.

An integrated short connector for drilling tools, including a telescopic connector assembly, a fixed connector assembly, and a drill collar adapter; the drill collar adapter includes an upper drill collar adapter and a lower drill collar adapter, and the telescopic connector assembly It is installed in the upper drill collar conversion joint, and the fixed connector assembly is installed in the lower drill collar conversion joint; the telescopic connector assembly and the fixed connector assembly are butted; The integration of the instrument realizes the internal power supply and communication of the instrument through the threaded connection of the drill collars of each instrument. This method of realizing the internal communication of the instrument through the direct connection of the drill collar saves on the one hand the artificial connection link of the on-site operation and reduces the construction cost. The safety risk is improved, and the operation efficiency is improved. At the same time, the reliability of the internal connection power supply and communication of the instrument is ensured by using the drill collar thread connection torque, which reduces the difficulty of using and assembling the connector, simplifies the overall structure of the connector, and shortens the length.

The invention relates to the technical field of displaying, and discloses a backlight module and an LCD device. The backlight module comprises a light guide plate, an LED lamp and an outer frame used for assembling the light guide plate and the LED lamp. One side of the light guide plate is a light inlet surface which is opposite to the LED lamp in position. An elastic part which is in a compressed state is arranged between the side, opposite to the light inlet surface, of the light guide plate and the outer frame. The position, making contact with the elastic part, of the inner side of the outer frame is provided with a clamping groove which is used for installing the elastic part. According to the backlight module and the LCD device, the problem that the brightness of a backlight source is too low due to the fact that under existing technical conditions, the gap between the LED lamp and the light guide plate is overlarge is solved, high efficiency and high yield in the process of assembling the backlight source can be guaranteed, and meanwhile the phenomenon that in a reliability test (high temperature, high humidity and high and low temperature storage), the gap between the LED lamp and the light guide plate is enlarged due to thermal expansion and cold contraction of the light guide plate can be effectively avoided.

A diagonal bracing offshore wind power single pile foundation with a damping sleeve and its construction method, which includes a pile body, a damping sleeve, a diagonal brace, a damper and a rotating shaft, and a plurality of diagonal braces are formed in a circular radial shape along the outer wall of the damping sleeve Layout, the viscous damper is arranged inside the damping sleeve and connected with the rotating shaft to achieve four-way translation. The axial direction of the damping sleeve is consistent with the axial direction of the pile body, and cement rubber particles are filled between the damping sleeve and the pile body to ensure Elastic contact while avoiding separation of the pile body from the damping sleeve under cyclic loads. The invention has a simple structure, and the diagonal bracing surrounds the lower part of the mud surface around the foundation, which is beneficial to reduce the diameter of the pile body, ensures the horizontal bearing capacity and stability of the pile body, avoids the horizontal tilting of the pile body, is convenient and quick to install, and is simple and convenient to operate.

The invention belongs to the technical field of home lighting, and particularly relates to an LED fluorescent lamp. The lamp comprises a lamp tube and a lamp holder, the lamp tube is installed in thelamp holder, and a power connection column is arranged at the end of the lamp tube. Chutes are formed in the side wall of the lamp holder, and power connection grooves are formed in the position closeto the power connection column. Clamping units are arranged in the chutes. Each clamping unit comprises a U-shaped rod, a trapezoidal block and a hinge rod; the trapezoidal blocks are installed at the end, located in the chutes, of the U-shaped rods. The hinge rods are hinged to the side walls of the chutes through a torsional spring, the side walls of the hinge rods make contact with the side walls of the trapezoidal blocks all the time, and friction blocks are arranged at the ends of the hinge rods. According to the LED fluorescent lamp, the fixing effect on the lamp tube is enhanced through cooperation of the lamp tube, the lamp holder and the clamping units, the lamp tube can be fixed to the lamp holder except for the supporting force of the shell on the lamp tube, it is guaranteed that electrification between the lamp tube and the lamp holder is stable, and the using effect of the LED fluorescent lamp is enhanced.

The invention realtes to a hinge device of mobile terminal, pertaining to a mobile communications domain, which is characterized in that for a mobile terminal linked with an upper flip and a lower flip that can carry out the relative movement between them, including the following structure modules: a hinge axis, which is installed side-by-side on one edge of the upper flip and the lower flip; a cam, which has a cam contour along the circumferential direction of the leaf axis center and having level differences relative to the rotary center, and is fixed with the leaf axis as a whole; driven components, which is the axis direction of the leaf axis, laterally contacts with the cam contour, and follows the above cam to carry out a relative movement; and spring components, which generates the elasticity to ensure the elastic contact between the driven components and the cam. A hinge device of mobile terminal can be provided by the invention, which can form a cam profile of a non-symmetric structure, thereby broadening the choice range of the rotating angle.