115results about How to "Easy detachable connection" patented technology

A resealable ventriculostomy reservoir device is provided. The device includes a base having an upper and lower opening, the upper opening defining an internal reservoir well, and a cap having an open bottom portion. The device further includes a flange element having a first portion disposed within a portion of the cap and a second portion extending distally beyond the open bottom portion of the cap and adapted for detachably mating with the internal reservoir well of the base. The second portion of the flange element includes a snap fit element adapted to cooperate with a feature on the internal reservoir well to secure the flange element and the base together. A sealing element is disposed between the internal reservoir well and the flange element to provide a fluid tight seal between the base and the flange element when the base and the flange element are detachably mated.

The invention discloses an arc core-pulling device of a die-casting mould, which comprises a guide rail (2), a moving oil cylinder (1), a rack (10), gear groups (9) which are positioned on a gear seat(3) and mutually engaged, a connecting block (6) and an arc slide block (4) which is matched with an arc inner hole of a casting, wherein the rack (10) is matched with the guide rail (2) in a slide mode and detachably connected with a piston rod of the moving oil cylinder (1); the gear groups (9) are engaged with the rack (10); and one end of the connecting block (6) is fixedly connected with thegear groups (9), while the other end is fixed connected with the arc slide block (4). After the structure of the arc core-pulling device is adopted, because an arc motion is changed into a linear motion, the mechanical motion avoids larger error caused by manual operations so as to ensure that the size precision of a molded casting is higher. Meanwhile, all the motions of the arc slide block aredriven by a hydraulic oil cylinder, thus the operation is convenient, and production working hours are greatly shortened, thereby greatly improving the production efficiency.

The invention relates to the technical field of air purifiers, in particular to a domestic efficient and energy-saving air purifier. The domestic efficient energy-saving air purifier comprises a base.A shell is arranged at the upper end of the base. A PM2.5 sensor is installed at the upper end of the shell through an installation seat. A control switch is arranged on the outer side of the shell.A PLC is installed at the upper end of an inner cavity of the shell. The left side of the inner cavity of the shell is connected with an L-shaped partition plate. A dust sucking draught fan is installed at the upper end of the L-shaped partition plate. Threaded sleeves are connected to the lower end of the L-shaped partition plate at equal intervals, and threaded rods are in screw joint to inner cavities of the threaded sleeves at equal intervals. The left sides of the threaded rods are commonly connected with dustproof covers. First filtering nets are arranged in inner cavities of the dustproof covers. The domestic efficient and energy-saving air purifier is novel in structural design, in addition, the cost is low, the automation degree is high, practicability is high, mounting and demounting are facilitated, maintaining is conducted, the filtering nets and the like can be conveniently cleaned, the air purifying effect is effectively improved, and application and popularization are facilitated.

The invention discloses a sewage treatment system with an ultrafiltration structure. The sewage treatment system is characterized in that the bottom end of a barrel is sealed, the top end of the barrel is open, and the sidewall of the open end of the barrel is axially annularly provided with a mounting flange; a filter mechanism comprises a mounting top plate, a filter tube and a mounting bottom plate, the filter tube is arranged between the mounting top plate and the mounting bottom plate and is provided with an ultrafiltration membrane, the mounting top plate is clamped to the open end of the barrel, and the filter tube is arranged in the barrel; a stirring mechanism comprises a mounting base plate and a stirring shaft, and the filter mechanism and the stirring mechanism are detachably connected to the barrel through bolts sequentially penetrating the mounting base plate, the mounting top plate and the mounting flange; the stirring shaft penetrates the mounting top plate in a clearance fit manner and extends into the filter tube, the segment, inside the filter tube, of the stirring shaft is provided with stirring blades, and the input end of the stirring shaft is driven to rotateby a motor. The filter mechanism and the stirring mechanism are combined in the barrel, so that blocking in the filter tube can be effectively avoided, and a filtering effect can be further improved.

The invention discloses a drawing-type ring-network-cabinet-cable T-type head disassembling device. The disassembling device comprises a tubular pedestal, a top pressing component, at least three arc claw drag hooks, an annular connecting component and a driving component. The tubular pedestal comprises at least two support frames, a tooling disc and an annular positioning sleeve. The tooling disc is provided with a threaded hole. The top pressing component comprises a rotation screw. The rotation screw is provided with an external thread which is cooperated with the threaded hole of the tooling disc. One end of the rotation screw passes through the threaded hole of the tooling disc and is inserted into the annular positioning sleeve. Each arc claw drag hook comprises a screw joint sleeve rod and a drag hook. The screw joint sleeve rod is hinged to the annular positioning sleeve. The drag hook carries out screw joint with the screw joint sleeve rod through engaged cooperation of an external thread of a pull bar handle and an internal thread of an axial through hole of the screw joint sleeve rod. The annular connecting component is formed through connecting three arc connecting components in series by three arc springs. The arc connecting components are connected to a central section of the screw joint sleeve rod so that the drag hook and a T-type head are tightly contacted and unhooking is not easy to generate. The structure is simple, and operation and carrying are convenient, timesaving, laborsaving and safe.

The invention discloses a fall prevention lifting device and a fall prevention method thereof, and belongs to the technical field of lifting devices. The fall prevention lifting device comprises a rack, a lifting platform and a power mechanism, and further comprises a double-nut screw mechanism, wherein the double-nut screw mechanism comprises a screw rod and a main nut and a sub nut which sequentially sleeve the screw rod, two ends of the screw rod are in transmission connection with the power mechanism, and the power mechanism is fixed to the rack; the main nut is in sleeved connection on anut seat along the outer wall, and the nut seat is fixedly connected with the lifting platform; an interval is reserved between the bottom ends of the main nut and subnut to avoid the load bearing ofthe subnut, so that the main nut holds the weight and the sub nut does nothold the weight. The fall prevention lifting device and the fall prevention method thereof have the advantages that the designis ingenious, and the problems in the prior art are solved that a weight-bearing nut of a screw rod mechanism of the lifting device slips and the production cannot be continuous.

The invention discloses a device for identifying crying sounds of babies with multiple parameters. The device for identifying crying sounds of babies with multiple parameters comprises an armband part. The armband part comprises a first body, the surface of which is provided with a first connecting part. The first connecting part is movably connected to arms of babies. The surface of the first body is fixed with a photoelectric volume sensor, a first temperature sensor, a first skin humidity sensor, a sound sensor, and a motion sensor. The interior of the first body is provided with a first processor and a first power source. The first power source is electrically connected with the first processor. The interior of the first body is further fixed with a first communication module which is electrically connected with the first processor. The first communication module is in data communication with a receiving terminal. The receiving terminal is in data communication with a server backstage. The device for identifying crying sounds of babies with multiple parameters has the following beneficial effects: intentions of baby crying can be precisely reflected; multiple normal physiology indices can be obtained; and the healthy growth of babies is prompted.

The invention discloses a defecation assisting type service robot for old people. When old people needs to go to the toilet, old people can be moved to a toilet bowl in time, and the defecation requirements of physically inconvenienced old solitary people can be met. The defecation assisting type service robot structurally comprises a moving chassis and a body supporting device. The body supporting device is in fastened connection with the moving chassis. The moving chassis is provided with walking wheels. The body supporting device has the movement free degree for ascending or descending the body in a sitting posture. The body supporting device is provided with a seat plate used for supporting the buttock weight and a first mechanical arm used for moving the seat plate. The first mechanical arm has the movement free degree for supporting and moving the seat plate from the buttock portion to one side of the body. The defecation assisting type service robot is used for assisting old people with physically inconvenienced lower limbs in defecation.

The invention relates to a door assembly of refrigeration equipment and refrigeration equipment. The door assembly of the refrigeration equipment includes a glass door shell or a metal door shell. The main body of the metal door shell is a plane plate, and an end cover is also included. In the length direction and on the outer surface of the end cover, a long strip with an L-shaped cross-section is extended outward. A groove for clamping the flat plate is formed between the long strip and the outer surface of the end cover. The metal door shell is installed on the end cover by snap-fitting of the groove, or the glass door shell is bonded to the outer surface of the end cover by an adhesive. When installing the metal door shell, the plane plate is clamped with the groove, and the columns on both sides of the metal door shell are engaged with the end cover and the joint provided on the end cover, and the metal door shell is installed on this end; the cover; and When the glass door shell is installed, the glass door shell can be bonded to the outer surface of the end cover through an adhesive, and finally one end cover can fix two kinds of door shells.

The invention discloses an adapter for a drainage bag. The adapter comprises a first assembly used for being connected with a drainage pipe and a second assembly used for being connected with the drainage bag, the first assembly is detachably connected with the second assembly, the first assembly comprises a first diversion channel and a first diversion port which are communicated with a connecting pipe of the drainage bag when the first assembly is in butt joint with the second assembly, and the first diversion channel is communicated with the first diversion port through an inner cavity; theinterior of the inner cavity is slidably provided with a sealing part and an elastic part which elastically presses the sealing part to the first diversion port to seal the first diversion port, thesecond assembly comprises an abutting part, and the abutting part can push the sealing part to move in the direction with acting force opposite to that of the elastic part to open the first diversionport when the first assembly is in butt joint with the second assembly. The adapter is simple in structure, capable of bringing more convenience to replacement of the drainage bag, and more hygienic in use.

The invention relates to a mutual inductor, in particular to an abutting machining process for improving the excitation-characteristic matching ratio of a combined-type mutual inductor. The abutting machining process comprises the following three steps of 1) individual casting: individually casting mutual inductor monomers, carrying out electrical parameter measurement on the cast mutual inductor monomers, and dividing at least two mutual inductor monomers with matched electrical parameters into a group; 2) fixation positioning: fixing the at least two matched mutual inductor monomers by a fixed bracket; 3) local bonding: bonding the at least two mutual inductor monomers on the fixed bracket by a bonding agent to manufacture the combined-type mutual inductor. A method of first individual casting and then integral bonding is adopted by the invention to replace traditional integral casting, so that the excitation-characteristic matching ratio of the combined-type mutual inductor is improved, and the yield is improved.

The invention discloses a rotary disc mechanism in a cabinet adjusting leg full-automatic assembly system, and relates to a rotary disc mechanism, aiming at solving the problems of being too high in rotary disc cost, poor in universality and simple in processed part specification in existing plastic adjusting leg production. A rotary disc platform is horizontally placed; a rotary disc body is arranged on the upper part of the rotary disc platform; a bracket rack is arranged below the rotary disc body; the bracket rack is a hollow round rack body which is fixedly connected on the rotary disc platform; a plurality of baffle arc strip bodies are arranged on the edge of the upper end face of the bracket rack; each baffle arch strip body is firmly attached with the edge of the rotary disc body; a bearing component is arranged on the hollow part of the bracket rack; from top to bottom, the main shaft of the rotary disc is sequentially inserted on the rotary disc body, the bearing component and the rotary disc platform; a plurality of U-shaped notches matched with U-shaped grooves are formed in the edge of the rotary disc body along the circumference surface; and each U-shaped mold is inserted in the corresponding U-shaped notch and is detachably connected to the rotary disc body. The rotary disc mechanism disclosed by the invention is applicable to the assembly production of T-shaped parts and cylindrical parts in plastic adjusting leg.

The invention relates to the field of valves, in particular to a toilet closestool control valve which comprises a shell, a conveying mechanism, a filtering mechanism, a flow blocking mechanism, a control mechanism, a locking mechanism and a closing mechanism; under the action of the conveying mechanism, an external water source is conveyed into the closestool for water storage, and facilitating subsequent use and washing, and meanwhile, the flow blocking mechanism is mounted, the on-off of the conveying mechanism is favorably controlled, the water source can be conveniently cut off and controlled during subsequent maintenance; the flow of the conveying mechanism is controlled through the control mechanism; the pressure of the water source flowing into the closestool is weakened and controlled; the action of the locking mechanism is beneficial to locking of the control mechanism; waste of the water source caused by long-time outflow of water flow during water seepage of the closestoolis prevented, impurities in the inflow water source are filtered and cleaned under the action of the filtering mechanism, meanwhile, on-off of the conveying mechanism is controlled under the action ofthe closing mechanism, and water flow overflowing and waste are prevented during cleaning.

The invention discloses a fastening-free modular heat dissipation device easy to disassemble and assemble. The fastening-free modular heat dissipation device comprises a heat dissipation support and aplurality of fan modules detachably installed in the heat dissipation support, each fan module comprises a fan body, a first fastening plate detachably arranged on the side face of one side of the fan body, and a second fastening plate detachably arranged on the side face of the other side of the fan body. Clamping grooves are formed on the inner walls of the front end face and the rear end faceof the fan body correspondingly, clamping blocks in snap joint with the clamping grooves are arranged on the outer walls at the two sides of the first fastening plate and the outer walls at the two sides of the second fastening plate correspondingly, and the first fastening plate and the second fastening plate are both detachably connected to the heat dissipation support. According to the fastening-free modular heat dissipation device easy to disassemble and assemble, the disassembly and assembly operation of the heat dissipation device in a server can be conveniently and efficiently achieved,the operation and maintenance operation efficiency is improved, and the labor burden of the operation and maintenance personnel is reduced. The invention also discloses a server which has the above beneficial effects.

The present invention discloses a suturing instrument for a nasal stent with an absorbable material and relates to the technical field of medical devices. Technical scheme main points are as follows:the suturing instrument for the nasal stent with the absorbable material comprises a cylinder main body and a suturing component consisting of a nail outlet barrel, a nail bin and suturing nails, a spring pushing assembly is arranged at a bottom end inside the nail bin, and the suturing nails are arranged inside the nail bin; a nail pushing body is arranged in the cylinder main body; an end part of the nail pushing body is provided with a nail pushing plate; the cylinder main body is provided with a handle consisting of a driving handle and a fixing handle, an end part of the driving handle inthe cylinder main body is provided with a driving gear, and an outer wall of the nail pushing body close to the driving gear is provided with a rack meshed with the driving gear. The suturing instrument is used for suture between the stent in a nasal part plastic surgery and original nose bones, the suturing nails are used for suture, compared with traditional suturing needles and sutures, the suturing instrument can better control suturing symmetry, enables the suturing symmetry of both sides of a cartilage stent and the original nose bones to be good, and improves suturing quality, and besides, suturing operations are simple, rapid and time-saving and labor-saving.

The present invention provides a sampling device for extracting smoke from high-temperature flue gas. The device comprises a collecting assembly, a filtering assembly, a supporting assembly and a water curtain assembly. By applying the technical scheme, the effect that the overall structure is precise and simplified is achieved; water flow is guided by a flow limiting curved surface and a flow guiding surface in the water curtain assembly, and the minimum cross-sectional position between the flow limiting curved surface and the flow guiding surface is changed along with water flow speed conditions; when the water flow flows through a gap between the flow limiting curved surface and the flow guiding surface, it can be ensured that the water flow at an outlet stays in a flowing downward state, and a uniform water curtain is formed along the circumference; when the flue gas passes through the water curtain, the smoke carried in the flue gas is captured by the water curtain, and collectionof the smoke is facilitated; the smoke carried in the high-temperature flue gas is captured by the water curtain, then falls into the collecting assembly along with the water curtain and is quenchedby water so that a further chemical reaction of the smoke can be prevented, and therefore original material phase compositions of the smoke is maintained. Through design of the filtering assembly, thewater and a smoke sample can be effectively separated, and convenience is provided extraction of the smoke sample.

The invention relates to a fan rotor and a clamping structure for a flange press fitting die. The clamping structure comprises a clamping base plate (1), wherein a guide rail (1.1) extending in the length direction is arranged at the bottom of the clamping base plate (1) and enables the clamping base plate (1) to slide along a sliding groove in a punching machine working platform and push to the bottom of the punching head of a punching machine; a positioning pipe clip (2) with an inner hole (2.1) matched with the lower part of a lower die of a die both in shape and size is arranged at the top of the clamping base plate (1); the positioning pipe clip (2) is formed by a left half pipe body and a right half pipe body which are symmetrically and detachably connected; one of the two half pipe bodies is matched with a sliding block groove (1.2) in the clamping base plate (1) in a sliding manner through a sliding block (2.2) at the bottom; the other half pipe body is fixed on the clamping base plate (1). According to the clamping structure for the flange press fitting die, clamping and positioning of the die can be realized, transportation and movement of the overall die are facilitated.

The invention is applicable to the technical field of watch devices, and provides a watch. The watch includes a watch main body and a watchband, a first watchband USB interface is arranged at one endof the watchband, a second watchband USB interface is arranged at the other end of the watchband, the first watchband USB interface is electrically connected with the second watchband USB interface, the watch main body is provided with a first watch USB interface cooperating with the first watchband USB interface and a second watch USB interface cooperating with the second watchband USB interface.The first watchband USB interface and the second watchband USB interface are respectively arranged at two ends of the watchband, and the watch main body is correspondingly provided with the first watchband USB interface and the second watchband USB interface, so compared with watches in the prior art, the watch provided by the present invention has the advantages of convenience in detachable connection of the watch main body with the watchband and convenience in replacement of the watchband without a special tool by using the plug-in installation between the USB interfaces.

The embodiment of the invention relates to the technical field of an electronic product, and discloses an electroencephalogram dry electrode and electroencephalogram collection equipment. In the embodiment, the electroencephalogram dry electrode comprises a conductive connecting base, a hydrogel and an ion membrane, wherein the hydrogel is arranged on the conductive connecting base; the ion membrane is tightly attached to the surface of the hydrogel; when the ion membrane is in contact with the human body skin, the ion exchange between the skin surface and the hydrogel containing ions is allowed; charge exchange is performed between the conductive connecting base and the hydrogel so as to collect electroencephalogram signals. The embodiment of the invention also provides electroencephalogram collection equipment. The embodiment of the invention has the advantages that the contact resistance between the skin and the electrode is greatly reduced; the signal collection quality and the usecomfort degree are improved.

Provided are an optical fiber grating force tactile sensor, a robot and a mechanical fingertip thereof. The optical fiber grating force tactile sensor comprises a fixed plate, a transmission rod, a transmission optical fiber, a first optical fiber grating and a second optical fiber grating, wherein the fixed plate is of a strip-shaped structure and provided with an upper surface and a lower surface; the transmission rod is provided with a deformable cross beam, the transmission rod is fixed to the fixed plate through a fastening part arranged on the deformable cross beam, and the deformable cross beam of the transmission rod penetrates through the upper surface and the lower surface of the fixed plate and is suspended relative to the fixed plate; the deformable cross beam comprises a stress end for perceiving the external force and an auxiliary end located at the end opposite to the stress end; the head end of the transmission optical fiber sequentially penetrates through the stress end of the deformable cross beam, the upper surface of the fixed plate and the auxiliary end of the deformable cross beam from the lower surface of the fixed plate in a pre-tensioned mode, and then the head end and the tail end of the transmission optical fiber are fixed to the lower surface of the fixed plate; the first optical fiber grating is arranged on the portion, close to the lower portion of the auxiliary end of the deformable transmission fiber, of the transmission optical fiber; the second optical fiber grating is arranged on the portion, close to the lower portion of the stress end of the deformable cross beam, of the transmission optical fiber. The optical fiber grating force tactile sensor is compact in structure, can achieve temperature compensation and reduces collection errors.

The invention relates to a draining mechanism and a cooking utensil applying the same. The draining mechanism comprises a sealing elastic piece and a movable core. The sealing elastic piece comprisesa sealing ring, an elastic buckle and a liquid discharging pipeline; a drainage channel is formed in the sealing ring; the elastic buckle is arranged at the bottom of the sealing ring and seals the bottom opening of the sealing ring; the liquid discharging pipeline is communicated with the side surface of the sealing ring; and the movable core is arranged in the drainage channel in a penetrating mode, and a gap is reserved between the movable core and the inner wall of the drainage channel. The bottom of the movable core is connected with the elastic buckle, and the top of the movable core islocated outside the top opening of the sealing ring and covers the top opening of the sealing ring; the whole movable core can be pushed upwards by overcoming the elasticity of the elastic buckle, sothat the top opening of the sealing ring is opened. The sealing elastic piece can be made of materials such as silica gel or rubber, is safe and environmentally friendly, has the good telescopic performance, and is easy to clean, low in cost, easy to produce and convenient to install.

The invention discloses a device and a method for detecting the compaction degree of an on-site filling roadbed based on shear wave velocity, and solves the problems that in the prior art, a feeler lever can generate an embedding and extruding effect on a soil body and a bending element is in close contact with roadbed soil to be detected. The device and the method can improve the reliability of a shear wave test result. According to the specific scheme, the device for detecting the compaction degree of an on-site filling roadbed based on shear wave velocity comprises a shear wave excitation mechanism and a shear wave receiving mechanism, and each of the shear wave excitation mechanism and the shear wave receiving mechanism comprises an outer sleeve, a soil sampling inner core pipe and a bending element inner core rod; a first opening is formed in the side wall of the outer sleeve; the soil sampling inner core pipe can be detachably connected with the outer sleeve, so that when the outer sleeve is cut into a soil body, the soil body in the outer sleeve enters the soil sampling inner core pipe, and the soil sampling inner core pipe can move relative to the outer sleeve under the action of external force; and the bending element inner core rod comprises a hollow rod body which can be connected with the outer sleeve, the rod body is provided with a second opening which can be communicated with the first opening, and a movable bending element test piece is arranged in the rod body.

The invention discloses an electrical equipment nameplate observation device based on a Bluetooth connection. The electrical equipment nameplate observation device comprises a camera, an operating rodand a portable monitoring terminal, the camera and the portable monitoring terminal are detachably and fixedly connected to the upper end part and the lower end part of the operating rod, and the operating rod is of a telescopic structure. In the electrical equipment nameplate observation device, the camera is installed on the operating rod of the telescopic structure to remotely observe the nameplate of the electrical equipment, thereby saving time and labor, and greatly improving the safety, and a portable monitoring terminal installed at the bottom of the operating rod is used for performing real-time monitoring and observation, so that the monitoring is convenient and quick, the detachable connection is convenient, classified storage can be achieved after disassembly, the camera and the portable terminal can be conveniently protected, and the electrical equipment nameplate observation device also has the characteristics of simple structure, low cost and convenient operation.

The invention relates to the technical field of breeding feed feeding, in particular to a feed circulation and transfer system which is used for reducing feed residues in a conveying and transfer line in the automatic feeding process and comprises a feed box, a circulation pipeline and a circulation rigging, a discharge port is formed in the circulation pipeline, the feed box comprises a feed box inlet and a feed box outlet, and the feed box inlet is communicated with the circulation pipeline. The circulation pipeline comprises a plurality of corner devices, and the corner devices are arranged at the corners of the circulation pipeline; the circulating rigging is in a closed loop shape, a plurality of shifting pieces are arranged on the circulating rigging, and the circulating pipeline and the material box are connected to the closed loop path of the circulating rigging in series. At least one corner device is provided with a corner driving mechanism, and the corner driving mechanism comprises a corner driving wheel and a corner driving motor. The device has the advantages that feed waste is reduced, feed cleanness is guaranteed, a long conveying path can be self-cleaned to a certain degree, and the service life is long.

The invention discloses a laser scanner with a detachable front end. The laser scanner comprises an engine part and a holding part, wherein the engine part is fixed to the upper end of the holding part; a circuit board, a photo-sensor and a control circuit are arranged in the holding part; the engine part consists of an engine head and a positioning seat; the engine head is detachably arranged in the positioning seat; the engine head further comprises a laser scanning window that is recessed inwards; a dust removal mechanism used for removing dust on the laser scanning window is arranged at the upper end of a scanning head of the laser scanning window; and a longitudinal sliding mechanism for driving the dust removal mechanism to run is arranged on the side surface of the front end of the laser scanning window. The laser scanner has the beneficial effects that the laser scanner not only can realize detachable connection between the engine head and the holding part and is convenient to overhaul but also can realize automatic dust removal all the time, and a dust removal mode is simple, convenient and flexible; the service life of the laser scanner can be prolonged, the fault rate of the laser scanner is greatly reduced, the working efficiency is improved, and the loss is reduced; and the laser scanner is high in feasibility.

The invention relates to a box-type substation low-voltage cabinet, which relates to the field of high-voltage and low-voltage switch cabinets, and comprises a cabinet body, a cabinet door rotatably arranged at a cabinet opening of the cabinet body and an integrated tray arranged in the cabinet body, and further comprises a support plate, a rotating plate, a gravity block and a moisture absorptionbag, wherein the supporting plate is arranged on the vertical side wall of the cabinet body, the supporting plate is located below the integrated tray, the rotating plate is rotationally arranged onthe end wall of the upper surface of the supporting plate, one side of the rotating plate abuts against the upper surface of the supporting plate, the other side of the rotating plate is away from thesupporting plate, the gravity block is arranged on the side, abutting against the supporting plate, of the rotating plate, and the moisture absorption bag abuts against the end, away from the gravityblock, of the rotating plate. According to the box-type substation low-voltage cabinet, the influence of moisture on components in the cabinet body can be effectively reduced.

The embodiment of the invention provides an optical fiber ferrule module, an optical fiber plug, an optical fiber adapter and an optical fiber connector, relates to the technical field of communication equipment, and can solve the problem of complex assembly process before and after threading in a construction site. The optical fiber connector comprises an optical fiber plug and an optical fiber adapter. The optical fiber plug comprises a plug shell; the first end of the plug shell is used for being connected with an optical fiber, the second end of the plug shell is used for being connected with an optical fiber adapter in an inserted mode; the outer surface of the side wall, close to the second end, of the plug shell extends in the radial direction of the optical fiber to form a boss, and a blocking piece moving in the radial direction of the optical fiber is arranged on the optical fiber adapter. When the blocking piece moves to the first position, the receding opening is aligned with the boss. When the blocking piece moves to the second position, the receding opening and the boss are staggered. The optical fiber connector provided by the embodiment of the invention can be usedfor optical fiber connection.

A numerical control grinding and polishing dual-purpose apparatus for horizontal honing is provided. A dual-purpose machine comprises a servo-actuated trolley equipped with a rotary motor, a movable coupling joint, a multi-section shaft, a grinding head and a movable coupling joint equipped with a bearing, wherein the movable coupling joint is divided into a first movable coupling joint and a second coupling joint; an output end of the motor on the servo-actuated trolley is connected with the multi-section shaft via the first movable coupling joint; the multi-section shaft is in a long shaft structure formed by connections among a plurality of sections of fork shafts; the multi-section shaft is connected with the grinding head via the second movable coupling joint; and the grinding head isconnected with the movable coupling joint equipped with the bearing. During the use, the movable coupling joint equipped with the bearing is connected to a honing head connection position of a horizontal honing machine. By the use of the numerical control grinding and polishing dual-purpose apparatus, difficulties during the grinding can be simplified to selection of grinding material and granularity under a numerical control grinding condition, so a historical difficulty can be easily solved.

The invention relates to the technical field of file management, in particular to a hospital file managing device which comprises a cabinet body. Cabinet doors are symmetrically formed outside the cabinet body. A device box is arranged outside the cabinet body. A PLC is arranged in an inner cavity of the device body. A first partition plate is arranged in an inner cavity of the cabinet body. Through holes are formed in the upper end of the first partition plate at equal intervals. A box body is arranged at the lower end of the first partition plate. A second partition plate is connected with the inner cavity of the box body. Through holes are formed in the upper end of the second partition plate at equal intervals. An installation frame is arranged at the upper end of the second partitionplate. A dustproof net, a quick lime layer and drying cotton are sequentially arranged on the inner side of the installation frame from bottom to top. The hospital file managing device is reasonable in structural design, high in practicability and convenient to use and can conveniently dehumidify air in the file managing device and effectively protect files, and the distance of the partition plates inside the file managing device can be conveniently adjusted to fix file covers.