330results about How to "Avoid disassembly" patented technology

The utility model relates to the field of detection devices, and discloses a novel helium mass spectrometer leak detection device which comprises a body, four fixing bolts are fixedly connected to the lower side in the body, a fixing strip is slidably connected between the exteriors of the two fixing bolts on the same side, and a mechanical pump is fixedly connected between the tops of the two fixing strips. A motor is fixedly connected to the left side of the mechanical pump, a threaded rod is fixedly connected to the output end of the motor, sliding blocks are in threaded connection to the left side and the right side of the threaded rod, connecting rods are rotatably connected to the front sides and the rear sides of the sliding blocks, inserting rods are rotatably connected to the outer sides of the connecting rods, and limiting plates are slidably connected to the outer portions of the inserting rods; a clamping assembly is installed on the top of the body. The motor drives the threaded rod, the threaded rod drives the sliding block, the sliding block drives the connecting rod, and the connecting rod drives the inserting rod to work, so that the mechanical pump can be quickly dismounted, time and labor are saved, the working efficiency is effectively improved, and the use of an auxiliary tool for dismounting is avoided.

The invention particularly relates to plate extrusion equipment and a using method thereof.The plate extrusion equipment comprises a plate discharging composite machine head, a plurality of feeding ends arranged on one side of the plate discharging composite machine head and a plurality of thermoplastic extruders correspondingly connected with the feeding ends of the plate discharging composite machine head, and the plate discharging composite machine head and the four thermoplastic extruders matched with the plate discharging composite machine head work cooperatively; according to the utility model, materials from different thermoplastic extruders can be layered, pressurized and conveyed through the four conical pressurizing ports, so that multiple layers of materials can be synchronously and accurately compounded in the plate outlet groove, the tight combination between layers is ensured, and the structural stability of the composite plate is improved; wherein the design of horizontal communication between the horizontal plate cavity and the plate outlet groove ensures the stable transition of the composite material in the extrusion molding process, avoids the common problem of unstable extrusion or fault in the traditional equipment, and is combined with the use of the cooler, so that the composite plate can be quickly cooled and molded after being extruded, the production efficiency is improved, and the production cost is reduced. And the size accuracy and the surface quality of the plate are ensured.

The invention relates to the technical field of high-pile wharf construction, in particular to a construction method of a high-pile wharf superstructure, which comprises the following steps of: mounting a concrete shell prefabricated part on a pile foundation and pouring concrete in a pouring space on a cast-in-place structure of a high-pile wharf by taking the concrete shell prefabricated part as a template; the concrete shell prefabricated part and cast-in-place concrete form a whole, formwork mounting and dismounting are avoided, the construction efficiency and construction quality of the high-pile wharf are remarkably improved, and the safety risk is reduced; the concrete shell prefabricated member has the characteristics of standardization, industrialization and structural unitization; for a large prefabricated structure, a pouring bottom die of the upper structure of the high-pile wharf can be formed by assembling a plurality of concrete shell prefabricated parts on a pile foundation through block design, so that the requirement of a project for construction equipment is lowered, the site construction difficulty is lowered, the construction period of the project is shortened, and the construction cost is saved.

The utility model discloses an integrated anti-loose nut for a transmission tower, which comprises a first nut and a second nut, the first nut comprises a first main body, an eccentric boss arranged at one end of the first main body and a first screw hole penetrating through the eccentric boss and the first main body; the central axis of the first main body is eccentrically arranged with the central axis of the eccentric boss and coincides with the central axis of the first screw hole; the second nut comprises a second main body, a second screw hole extending from one end of the second main body to the inner side and an eccentric hole extending from the other end of the second main body to the inner side to be communicated with the second screw hole, and the central axis of the second main body is eccentrically arranged with the central axis of the eccentric hole and coincides with the central axis of the second screw hole; wherein the inner diameters and the thread parameters of the two screw holes are the same, the eccentric hole is matched with the eccentric boss, a wedge-shaped groove is formed in the first screw hole and / or the second screw hole, and a ball is arranged in the wedge-shaped groove. The anti-loosening device has the advantages of being convenient to install, low in cost, good in anti-loosening effect and stable in performance.

The invention relates to the technical field of viscosity testing, and discloses a lubricating oil viscosity testing device which comprises a bottom plate, a moving device is fixedly connected to the top of the bottom plate, a sliding block is movably connected to the outer wall of the moving device, and a first connecting plate is fixedly connected to the outer wall of the sliding block. The testing mechanism comprises a first circular plate fixedly connected to the bottom of the first connecting plate, the inner wall of the first circular plate is fixedly connected with a viscosity detector, the output end of the viscosity detector is fixedly connected with a first gear, and the outer wall of the first circular plate is fixedly connected with a first connecting ring. By arranging the testing mechanism, the equipment is enabled to perform viscosity testing on lubricating oil at different temperatures, and the heating ring arranged at the central position of the storage frame is adopted to heat the lubricating oil, so that the dismounting assembly on the rotating mechanism is just located in an adjacent area of the heating ring, and the oil temperature near the dismounting assembly can be controlled more accurately; and the accuracy of the equipment detection value is improved.

The self-drilling type grouting anchor rod comprises a hollow anchor rod body, a two-way drilling bit is arranged on the hollow anchor rod body, a stop-grouting plug is arranged at the position, close to the upper end of the hollow anchor rod body, of the hollow anchor rod body, and a plurality of stop-grouting rings are arranged at the positions, between the two-way drilling bit and the stop-grouting plug, of the hollow anchor rod body at intervals; the grout stopping ring comprises a grout stopping ring steel inner core and bags symmetrically arranged on the grout stopping ring steel inner core, the bags are in a semi-ring shape, and grouting hoses are arranged on the bags and can penetrate through the grout stopping plug; the hollow anchor rod section between every two adjacent grout stopping rings and the hollow anchor rod section between the grout stopping ring located at the lowermost end and the two-way drilling bit are grouting sections, a plurality of grout outlet holes are evenly distributed in the grouting sections, and the outer sides of the grouting sections are further sleeved with grouting rubber sleeves; an electronic digital display angle gauge is arranged on the outer wall of the hollow anchor rod and located at the upper end of the grout stopping plug. The technical problems that grouting of a hollow grouting anchor rod in the sandy gravel stratum is diluted, diffused and difficult to solidify, and the anchor rod deviates and is poor in reinforcing effect can be effectively solved.

The present invention discloses a catalyst carrier mesh belt kiln, which belongs to the technical field of mesh belt kilns, including a kiln body, an inner cavity of the kiln body is provided with a conveyor mesh belt, and power is provided between the conveyor mesh belt and the kiln body through a magnetic conductive mechanism, a pushing mechanism for pushing the catalyst material is provided on the top of the conveyor mesh belt, and a spreading mechanism for spreading the catalyst material is provided on the side of the pushing mechanism. The present invention sets a magnetic conductive mechanism and utilizes the application of magnetic power-on technology to achieve rapid switching of the connection and disconnection of the circuit, and at the same time sets the conveyor mesh belt in a segmented connection mode, and powers on through the mutual magnetic connection of the first magnetic block and the second magnetic block, and powers on the conveyor mesh belts currently connected separately through the heat conductive block, so that the catalyst at the current position can be roasted or dried, and the problem of excessive accumulation of catalysts, resulting in excessive volume and affecting the roasting or drying effect can be avoided.

The utility model discloses an adjustable glass coating clamp, and relates to the technical field of adjustable glass coating clamps. An adjustable glass coating clamp comprises a supporting seat, a limiting device is arranged on the supporting seat, the limiting device comprises two rotating seats, two clamping seats, two fixing blocks and two second limiting block grooves, the two fixing blocks are fixedly connected to the upper surfaces of the corresponding rotating seats respectively, and the two second limiting block grooves are formed in the upper surfaces of the two fixing blocks respectively. In the limiting device, push rods are pushed to get close to each other to drive limiting blocks to get close to each other while a first reset spring is driven to contract, then the limiting blocks get close to each other to drive a second reset spring to contract, meanwhile, the other end of the second reset spring is disengaged from the interior of a first limiting block groove, and then a clamping base can be taken down from a rotating base; in this way, the clamping base is convenient to disassemble, the situation that a worker needs to disassemble the clamping base with the help of a tool is avoided, the workload of the worker is effectively reduced, and meanwhile the disassembling efficiency of the clamping base is improved.

The invention discloses a pedal structure, and aims to provide a pedal structure capable of improving riding convenience. The pedal comprises a pedal body, a shell is fixed to the bottom face of the pedal body, a connecting shaft and a balancing weight are installed on the shell, the connecting shaft is rotationally connected with the shell, the connecting shaft is arranged between the pedal body and the balancing weight, and a plane formed by the gravity center of the balancing weight and the center line of the connecting shaft is perpendicular to the pedal body. The connecting shaft and the balancing weight are detachably connected with the shell. The bicycle has the beneficial effects that the riding convenience is improved; the riding safety is improved; the structure is designed in a unitized mode, parts are simple and easy to machine, when parts at a certain part are damaged, the parts can be independently disassembled and replaced, overall disassembly and replacement are avoided, and the maintenance cost is greatly reduced. The structure is simple, operation is convenient, and assembling efficiency is high; the friction loss is reduced, the rotation smoothness is improved, and meanwhile the positioning and damping effects are achieved.

The utility model discloses a test instrument transfer trolley which comprises a bearing support and a supporting rod, a wheel carrier is arranged below the rear portion of the bearing support, bearing wheels are arranged on the two sides of the wheel carrier respectively, and a handle is arranged at the top of the bearing support. A bracket is arranged at the front part of the bearing bracket; a bandage is arranged at the rear part of the bearing bracket; the bottoms of the two supporting rods are connected to the wheel frame, and supporting wheels are hinged to the upper portions of the two supporting rods respectively. The lower end of the connecting rod is hinged to the outer side of the supporting rod, a shaft hole is formed in the upper end of the connecting rod, a sliding groove is formed in the upper side of the bearing support, positioning holes are formed in the two ends of the sliding groove respectively, the diameter of each positioning hole is larger than the width of the sliding groove, positioning sleeves are inserted into the positioning holes, and pin shafts are inserted into the positioning sleeves and the shaft hole. According to the utility model, the detection instrument and the auxiliary equipment are convenient to move, the field detection use is convenient and fast, and frequent assembly and disassembly of a connecting line and a pipeline between the detection instrument and the auxiliary equipment can be avoided.

The invention relates to the technical field of heat exchange equipment, and discloses an assembled detachable plate heat exchanger which comprises a mounting bottom plate, a moving plate is fixedly connected to one side of the top end of the mounting bottom plate, a driving screw is movably connected to the inner side of the moving plate through a bearing, and a fixed plate is in threaded connection with the outer portion of the driving screw. A plurality of heat exchange plates are mounted between the movable plate and the fixed plate, a plurality of mounting plates are fixedly connected to the outer side of the movable plate, the mounting plates are fixedly connected in sequence, a movable plate is slidably connected to the interior of each mounting plate, and a pressing rod is fixedly connected to one side of each movable plate. According to the heat exchanger, the heat exchange plates in the heat exchanger can be replaced according to needs, the whole heat exchanger does not need to be completely disassembled, therefore, disassembly of the whole heat exchanger is avoided, the downtime is shortened, in addition, unnecessary disassembly work is reduced, equipment loss caused by frequent disassembly is avoided, and the service life of the heat exchanger is prolonged.

The utility model discloses a breathing atomization device and a breathing atomization adapter tube, and relates to the technical field of breathing equipment, the breathing atomization device comprises a breathing main machine, an atomizer, a patient interface and an adapter tube, the adapter pipe is provided with a first connector capable of being connected with an airflow outlet air path, a second connector capable of being connected with a patient connector pipeline air path and a third connector capable of being connected with an atomizer mist outlet air path. Micro particles obtained after liquid medicine output by the atomizer is atomized are mixed with gas output by the gas flow outlet of the main machine and then output to a patient through a patient interface pipeline, and the atomization function and the humidification function are integrated; when the atomization function does not need to be used, the adapter tube is taken down, the situation that the humidification efficiency is reduced due to gas leakage caused by the fact that a traditional installation part cannot be detached and is blocked in a cap mode is avoided, high-flow humidification treatment can be achieved, atomization drug administration treatment can be provided for a patient at the same time, and the purpose of providing multiple treatment modes for the patient is achieved.

The invention relates to a pipeline detection switching device and a pipeline detection method.The switching device comprises a support, a first air source block, a second air source block and a switching module, and a top plate of the support is provided with a top plate of a first communication hole and a top plate of a second communication hole; the first air source block is provided with a first air inlet communicated with the first detection device and a first air outlet communicated with the first communication hole, and the second air source block is provided with a second air inlet communicated with the second detection device and a second air outlet communicated with the second communication hole. The switching module is provided with a first air guide hole, a second air guide hole and an air connecting hole which are communicated, the air connecting hole is communicated with the detected workpiece, the switching module is provided with a first detection position and a second detection position, the first air guide hole is communicated with the first communication hole at the first detection position, and the second air guide hole can be closed by the top plate at the second detection position; the second air guide hole communicates with the second communicating hole, and the top plate can seal the first air guide hole. According to the switching device, various types of tests can be carried out at the same station.

The invention discloses a turboset shafting center deviation measurement method. The method comprises the following steps: selecting a plurality of measurement positions along a turboset shafting on a basic platform of a turboset; installing a settlement monitoring system on the foundation platform; acquiring the elevation variation at each measurement position in the measurement time period; and according to the elevation variation at the plurality of measurement positions, the position data of the plurality of measurement positions and the size and position data of each pair of wheels in the turboset, obtaining the shafting center deviation of the turboset. According to the invention, on-line measurement of the shafting center deviation of the turboset is realized.

The utility model relates to the technical field of electronic equipment accessories, in particular to a support. The support, the first ball head and the locking assembly are detachably connected, a user can easily disassemble or replace the ball head according to needs, maintenance and replacement of equipment are facilitated, and meanwhile the support is allowed to adapt to equipment of different sizes or weights. The first ball head adopts the design of a rigid lining and an elastic layer wrapping the outer side of the lining, the elastic layer can play a role in buffering during collision or vibration, damage caused by falling or frequent adjustment is effectively reduced, detachable connection is achieved by penetrating bolts into the connecting holes, the mounting and dismounting processes are simplified, and the service life of the ball head is prolonged. The situation that the whole support is scrapped due to damage of the ball head is reduced, the service life of the support is prolonged, and the maintenance cost is reduced.

The invention relates to the field of vehicle instruments, in particular to a method, a program product, a device, a system and a carrier for detecting hand separation of a steering wheel. A first excitation signal is input to an induction electrode, and a second excitation signal is input to an anti-phase electrode coupled with the induction electrode, and the phase of the second excitation signal is opposite to that of the first excitation signal; the first excitation signal on the induction electrode is obtained, when the driver leaves the hand, the steering wheel induction electrode and the anti-phase electrode cannot form coupling, the excitation signal on the steering wheel induction electrode cannot be counteracted by the anti-phase signal on the anti-phase electrode and cannot be weakened, and therefore it is judged that the driver leaves the hand. According to the method, a current mutual inductance principle is adopted, a backflow path formed by connecting a detection system to a steering wheel metal framework, a vehicle body, a driver seat metal framework and a driver is not depended on, the vehicle is prevented from being disassembled when the hand-leaving detection function is installed, and the hand-leaving detection function adopting a self-inductance scheme on an original vehicle is not interfered; and the compatibility is high.

The utility model discloses a rapid push-type jack box suitable for dense bus duct heavy current, comprising a bus duct body, the top of the bus duct body is electrically connected with a jack box body close to the middle part, and the joint of the bus duct body and the jack box body is in bolt connection with an electrical mounting plate. The electrical mounting plate is mounted at the top of the bus duct body and is electrically connected with the bus duct body, and mounting grooves are formed in the positions, close to the corners, of the top of the electrical mounting plate. According to the utility model, the plug-in mechanism is arranged at the joint between the plug-in box and the bus duct, so that the plug-in box and the bus duct can be quickly connected and fixed, the L-shaped positioning T-shaped frame is used, so that the plug-in box can be quickly positioned and plugged when the plug-in box is mounted, and meanwhile, the locking assembly is arranged in a matched manner, so that the plug-in box can be locked after being mounted, and the plug-in box is prevented from being damaged. Therefore, the connection firmness between the jack box and the bus duct is reinforced, the jack box is prevented from being directly disassembled from the outside, and the protection effect on the jack box is improved.

The utility model discloses a device for excrement sample sampling, including being equipped with containing cavity handle and with handle connection's upper portion is equipped with the display screen's connecting handle, and the one end of connecting handle is away from handle is connected with the clamping handle that is equipped with the weighing cavity inside, and the weighing cavity bottom is equipped with the weighing sensor, and the clamping frame that is located in the weighing cavity is placed on the weighing sensor upper portion, and the clamping frame clamps the sampling spoon that is equipped with the spoon handle end in one end, and the knock -off part that passes through the connecting handle, the clamping handle and the clamping frame is equipped in containing cavity, and the knock -off part includes the push -rod that is penetrated to the clamping frame from containing cavity and is abutted on the spoon handle end. The utility model can accurately weigh the sampling weight of sampling spoon, can realize the accurate quantitative sampling of excrement sample, guarantees the detection demand of excrement sample, can prevent the spattering of excrement sample, can operate knock -off part to knock -off and fall sampling spoon, prevents the hand to dismantle sampling spoon, guarantees the security of excrement sample sampling process.

The embodiment of the present invention is applicable to the field of data processing technology, and provides a hot word determination method, device, electronic device and storage medium, wherein the hot word determination method includes: performing word segmentation processing on a text to be processed to obtain at least two word segments; performing part-of-speech tagging on each of the at least two word segments; combining the word segments in the at least two word segments after the part-of-speech tagging to obtain at least one combined word; the combined word is composed of the word segments in the at least two word segments that are adjacent in position in the text to be processed; determining the heat value of each combined word in the at least one combined word; the heat value represents the frequency of occurrence of the corresponding combined word in the text to be processed; determining the hot words in the text to be processed based on the heat value; the hot word represents the combined word whose heat value is greater than the set value.

The utility model discloses a moisture content measuring device based on dot-matrix microwaves, and relates to the technical field of measurement. The dot-matrix-based microwave moisture content measuring device comprises a moisture content measurer, a limiting device is arranged on the moisture content measurer and can be quickly disassembled and assembled, the limiting device comprises a cover plate, a rotating block and two limiting plates, a cover plate groove is formed in the outer surface of the rear end of the moisture content measurer, and the cover plate is slidably connected in the cover plate groove; a rotating block in a limiting device is screwed to rotate to drive a second reset spring to contract and drive a limiting plate to move oppositely at the same time, then the limiting plate moves oppositely to enable the other end of the limiting plate to be separated from the interior of a limiting plate groove, then a cover plate can be taken down from the moisture content measurer, and therefore workers can disassemble the cover plate conveniently, and the working efficiency is improved. The maintenance efficiency of the equipment is improved, the situation that workers need to disassemble the equipment with the help of tools is avoided, and the workload of the workers is effectively reduced.

The invention relates to the technical field of pump sets, in particular to an intelligent pump distribution system which comprises a base, a mounting structure, an electric gate valve, a one-way valve, a butt joint structure, a connecting structure, a supporting structure, a fixing structure and a control box. The service life of the pump set is prolonged, the butt joint structure facilitates quick installation of a pump set pipeline, repeated installation and disassembly of bolts are avoided, the installation efficiency is improved, the supporting structure is used in cooperation with the fixing structure, the supporting structure plays a role in supporting when the pipeline is installed, and the problem that the pipeline is difficult to install due to the large weight is solved. And the flexibility is improved.

The utility model discloses a municipal road rainwater flow guiding device which comprises land and a fixing frame, a cover plate is detachably arranged in the fixing frame, a flow guiding square pipe is fixedly connected to the lower portion of the cover plate, an installation block is fixedly installed on the inner wall of the flow guiding square pipe, a rotating rod is rotatably installed on the installation block, an impeller is fixedly arranged outside the rotating rod in a sleeved mode, and the impeller is fixedly connected with the cover plate. A first bevel gear is fixedly mounted on one side of the rotating rod, a second bevel gear is meshed with one side of the first bevel gear, a connecting rod is fixedly connected to the upper end of the second bevel gear, a gear is fixedly mounted on the connecting rod, and an incomplete gear is meshed with one side of the gear. According to the municipal road water accumulation prevention device, the impeller is matched with the rotating rod, the first bevel gear, the second bevel gear, the incomplete gear and the gear to drive the driving lever to rotate, so that the driving lever pushes away large garbage such as large branches or plastic bags accumulated on the cover plate, and the water accumulation condition of municipal roads is reduced.

The invention discloses a closestool technology, and aims to provide a quick-release closestool cover which can only be detached by a worker and a detaching method of the quick-release closestool cover. According to the technical scheme, the quick-release closestool cover comprises a closestool cover body connected with a closestool through a hinge, and the hinge comprises at least one locking mechanism; the locking mechanism comprises a hinge piece, a steel column, a steel ball and a magnet capable of activating the mechanism; the hinge piece is installed on the toilet lid, the whole hinge piece is square, a cavity for containing the steel ball is formed in the hinge piece, and a channel communicated with the cavity and allowing the steel column to be inserted therein is further formed in the hinge piece; the whole steel column is T-shaped and comprises an insertion part and a limiting part, the insertion part is cylindrical, annular grooves are symmetrically formed in the insertion part, the insertion part can be inserted into the hinge piece along the channel of the hinge piece and makes contact with the steel balls in the cavity in the insertion process, and the steel balls are pushed away to allow the steel column to enter the cavity; the invention is applicable to the technical field of closestools.

The utility model discloses an adjustable display card backboard, and belongs to the technical field of backboards. The adjustable display card backboard comprises a backboard body, two sliding grooves are formed in the surface of the backboard body, guide rods are fixedly connected to the inner walls of the two sliding grooves, guide blocks are slidably connected to the surfaces of the guide rods, mounting grooves are formed in the surfaces of the guide blocks, elastic pieces are fixedly connected to the inner walls of the mounting grooves, and the elastic pieces are fixedly connected to the inner walls of the mounting grooves. The end part of the elastic piece is fixedly connected with a moving block, and the surface of the moving block is fixedly connected with a screw rod; by arranging the guide rods, the guide blocks can conveniently move upwards or downwards, so that the video card mounting holes at different positions can be quickly mounted, and the problem that the mounting rate of the video card backboard is reduced as the video card mounting holes cannot be mounted with the video card backboard due to slight deviation of the positions of the individual video card mounting holes is avoided; through the cooperation of the parts, the utilization rate of the display card backboard can be effectively improved.

The utility model relates to the technical field of motorcycle engines, and discloses a motorcycle engine quick disassembly and assembly structure which comprises an engine room, a machine cover is arranged on one side of the engine room, a plurality of adjusting grooves are formed in one side of the machine cover, fixing columns are rotationally connected into the adjusting grooves, and threaded grooves are formed in the surfaces of the fixing columns. Adjusting columns are slidably connected to the interiors of the multiple threaded grooves, the multiple adjusting columns are fixedly connected to one sides of the interiors of the adjusting grooves, fixing grooves are formed in the surfaces of the sides, close to the multiple fixing columns, of the machine bin, the multiple fixing grooves are matched with the fixing columns, and moving mechanisms used for moving the fixing columns are arranged on the surfaces of the sides, away from the machine bin, of the multiple fixing columns. According to the utility model, through the arrangement of the pressing plate, the machine cover can be quickly disassembled, and the plurality of fixing columns are all mounted on one side of the pressing plate, so that the plurality of fixing columns can be disassembled at the same time along with the movement of the pressing plate and are prevented from being disassembled one by one.

This utility model discloses a scale removal device for plate heat exchangers, relating to the technical field of plate heat exchangers. It includes a fixed clamping plate, a fixed guide rod fixedly connected to the lower right side of the clamping plate, several plates slidably connected to the upper side of the guide rod, and fixed plates fixedly connected to the upper and lower right ends of the plates. Telescopic rods are fixedly connected to the inner sides of both fixed plates, and lifting plates are fixedly connected to the ends of the two telescopic rods. Springs are sleeved on the surfaces of the telescopic rods. Scrapers are fixedly connected to the middle positions of both sides of the lifting plate, and trapezoidal frames are fixedly connected to the upper and lower ends of both sides of the lifting plate. A fixed brush is fixedly connected to the outer end of the trapezoidal frame away from the lifting plate. This utility model, by incorporating a fixed plate, telescopic rods, lifting plate, springs, scrapers, a fixed pipe, a second solenoid valve, a fixed brush, and a pressurizing pipe, avoids disassembling the plates, effectively reducing workload, and simultaneously effectively removing deposited scale.

The application relates to the technical field of alarm devices, in particular to a wrist type position sensing alarm device, which comprises a bracelet body, the two sides of the bracelet body are connected with wristbands, a first connecting block is arranged on the side, away from the bracelet body, of one group of wristbands, a second connecting block is arranged on the side, away from the bracelet body, of the other group of wristbands, a through hole is arranged on the wristband and is in a wavy shape, a clamping part is arranged between the first connecting block and the second connecting block and is used for limiting the connection of the first connecting block and the second connecting block, and a dismounting part is arranged; the wristband is used for wearing the bracelet body on the hand of a patient, the clamping part is used for limiting the first connecting block and the second connecting block, the bracelet body is prevented from falling off, the first connecting block and the second connecting block need to be dismounted by using a special tool, the patient is prevented from directly dismounting and abandoning the bracelet body, the bracelet body can alarm the position of the patient in real time, and the patient is prevented from getting lost.

The utility model belongs to the technical field of medical instruments, and discloses a control terminal for a diffuse oxygenerator, the control terminal comprises a shell, a regulating valve, a diffuse air box and a wet mist assembly, the shell is internally provided with a mounting cavity, the regulating valve communicates with an air inlet pipeline and is located in the mounting cavity, and the diffuse air box is arranged in the mounting cavity and communicates with the regulating valve; gas entering the dispersion gas box through the adjusting valve is released to the outside of the shell through the dispersion gas box, the wet mist assembly is detachably installed on the side portion of the shell and used for outputting gas humidification and / or generating atomized liquid, and therefore a user can take down the wet mist assembly from the shell when filling liquid into the control terminal, and the user can conveniently fill the liquid into the control terminal. Therefore, the effect of conveniently filling the liquid into the control terminal is achieved, meanwhile, the situation that the cleanliness of the control terminal is affected and an internal circuit of the control terminal is damaged due to the fact that the liquid is scattered to the outside is avoided, the effect of guaranteeing the service life of the control terminal is achieved, and then the use experience of a user is improved.

The utility model discloses a building ventilating duct anti-blocking device which comprises an air pipe body, at least two air pressure detection assemblies are further arranged on the air pipe body and arranged on the two sides of a filtering assembly, a storage box is arranged at the bottom of the air pipe body, the filtering assembly is installed in a first sliding groove, and the air pipe body is provided with a first air outlet. The bottom of the first sliding groove is communicated with the interior of the storage box, and a moving mechanism is further arranged at the bottom of the interior of the storage box and used for replacing the filter assemblies in the air pipe body. After detecting that the air pressure difference before and after the filter assembly exceeds a set value, the filter assembly in the air pipe main body is replaced by a new filter assembly in time through the moving mechanism, so that the problems that the existing filter assembly needs to be manually replaced regularly by a worker, the unblocked filter assembly is easy to check or clean, and the working efficiency is high are solved. And the working intensity and the labor cost are increased.