224results about How to "Quick plug" patented technology

The invention relates to the technical field of radio frequency connection, in particular to a radio frequency coaxial connector capable of rapidly positioning and locking and a connection method thereof.The radio frequency coaxial connector capable of rapidly positioning and locking comprises a supporting plate and a first connector assembly installed on the supporting plate, and the first connector assembly is internally provided with first plugging contacts which are symmetrically arranged; a rotating sleeve arranged on the first connector in a sleeving mode is rotationally installed on the supporting plate. The second connector assembly is installed in the first connector assembly in a pluggable mode, the end of the second connector assembly is provided with second plugging contacts which are symmetrically arranged, and the first connector assembly is provided with a positioning connection assembly connected with the second connector assembly; and the rotating locking mechanism is arranged in the rotating sleeve and connected with the positioning connection assembly, the first connector is provided with a limiting mechanism connected with the rotating sleeve, and the matching state of the first plugging contact and the second plugging contact can be adjusted through the positioning connection assembly.

A plugging device for an internal expansion type heat exchange tube of a heat exchanger comprises a sealing body, a rubber pad, a positioning ring and a locking nut. The sealing body comprises a column section, an extrusion section coaxially connected with one end of the column section and a threaded section coaxially connected with the other end of the column section. The rubber pad is annular, is arranged on the periphery of the column section in a sleeving manner and can move in the axial direction relative to the sealing body; the positioning ring comprises an extrusion part and a positioning part; the extrusion part sleeves the periphery of the threaded section and can move in the axial direction relative to the sealing body; the positioning part is arranged at one end, far away from the rubber pad, of the extrusion part; the outer diameter of the positioning part is larger than that of the extrusion part; the locking nut is arranged on the outer side of the positioning part and is in threaded connection with the threaded section. The quick plugging device can be directly inserted into the ports at the two ends of the damaged heat exchange tube to expand the inner wall of the heat exchange tube, so that the two ends of the heat exchange tube are quickly plugged. Complicated welding or large-scale dismounting operation is not needed, the leakage problem of the heat exchange tube is rapidly solved, and production continuity and economic benefits are guaranteed.

The invention belongs to the technical field of geotechnical engineering, and particularly relates to a nanocarbon reinforced superfine cement-based blocking material as well as a preparation method and application thereof. The superfine cement-based blocking material prepared by the invention is prepared by uniformly mixing 45-50 parts of cement, 0.5-2.5 parts of a solid waste sintered active material, 0-0.05 part of a water reducing agent, 0.015-0.1 part of carbon nanotubes, 0.5-2.5 parts of a 1% solution of carbon quantum dots and 45-50 parts of water. The material has relatively low porosity and is not dispersed; the high groutability is achieved, and the material can permeate into tiny holes; and it is guaranteed that the material has high strength, the crushed rock bonding and reinforcing strength is high, and the material has wide application prospects.

The invention relates to a quick plugging device and method for an in-well water burst dewatering well. The device comprises a grouting pipe (1), a bag (2), a grouting device (3) and a one-way flowing piece (4). The grouting pipe (1) comprises a grouting outer pipe (11) and a grouting inner pipe (12), the grouting outer pipe (11) is connected with the bag (2), a one-way flowing part (4) is arranged at the joint of the grouting outer pipe (11) and the bag (2), the grouting inner pipe (12) is connected with the grouting device (3), the grouting pipe (1) extends into a well pipe of a dewatering well (5), and the position of the bag (2) is higher than that of the grouting device (3). Compared with the prior art, the rapid plugging device for the dewatering well is provided when water bursts in the well and under the flowing water condition, cement grout can be prevented from being washed away by water flow when water bursts in the well and under the flowing water condition, and the dewatering well is effectively plugged.

The invention discloses an automobile wire harness connector which is high in integration level, good in waterproof performance and easy to plug and unplug. According to the technical scheme, the wiring harness comprises a wiring harness socket and a wiring harness plug matched with the wiring harness socket in an inserted mode, the wiring harness plug comprises a plug shell and a plug insertion core integrally formed in the plug shell, and at least one set of power supply jack terminals and a set of signal jack terminals are arranged in the plug insertion core. The wire harness socket comprises a socket shell, a group of power supply pin terminals and a group of signal pin terminals, the group of power supply pin terminals and the group of signal pin terminals are arranged at the bottom of the socket shell, the upper end of the socket shell is provided with a socket insertion cavity matched with the plug insertion core, and the two sides of the plug shell are provided with plug-in power-assisted handles through handle insertion grooves. The pluggable power-assisted handle comprises a handle and guide rails integrally formed at the two ends of the handle, and at least two connecting shafts arranged at intervals are arranged on the inner sides of the guide rails.

The invention provides a cross coupling microstrip filtering oscillator antenna and an array thereof, and belongs to the field of large phased array radar systems.The cross coupling microstrip filtering oscillator antenna comprises an antenna feed port, a reflecting plate, a suspended cross coupling microstrip circuit board, a filter cover plate and metal oscillator arms, the filter cover plate is located on the upper surface of the reflecting plate, and a suspended air cavity is defined by the filter cover plate and the reflecting plate; the suspended cross-coupled microstrip circuit board is located in the suspended air cavity, an inner conductor of the antenna feed port extends into the suspended air cavity to be connected with the suspended cross-coupled microstrip circuit board, an outer conductor of the antenna feed port is connected with the reflecting plate, and the metal oscillator arm is located on the filter cover plate. One radiation arm in the metal oscillator arms is connected with the suspended cross-coupled microstrip circuit board, and the other radiation arm is grounded; the radiation characteristic is directly realized on the filter cover plate, and a wider working bandwidth is realized under the conditions that the lower sideband of the suspended broadband high-pass filter is high in suppression, the original filtering performance of the filter is not changed and the profile height is basically kept, so that the problem of interference of an auxiliary radar on a main radar is solved.

The utility model relates to a modern agricultural seedling raising device convenient to operate, which comprises a seedling raising box and a seedling raising box component, universal wheels are mounted at the bottom of the seedling raising box, a heating pump is fixed on the outer wall of the left side of the seedling raising box, a first plastic film is adhered to the inner wall of the outer edge of the seedling raising box, and a second plastic film is arranged on the inner side of the first plastic film. The top end of the second plastic film adheres to the inner wall of the rear end of the top of the seedling raising box, a bracket assembly used for containing the seedling box assembly is installed on the inner side of the seedling raising box and comprises supporting plates, the multiple supporting plates are arranged on the inner side of the seedling raising box at equal intervals in the vertical direction, and positioning holes are formed in the left end and the right end of each supporting plate. First connecting rods are arranged on the left sides and the right sides of the front ends of the multiple supporting plates in a hinged mode, second connecting rods are arranged on the left sides and the right sides of the rear ends of the multiple supporting plates in a hinged mode, the second connecting rods are located right behind the first connecting rods, and a bottom wheel base is fixed to the middle of the bottom end of the bottommost supporting plate. The telescopic rod is fixed on the inner wall of the seedling box.

The utility model discloses a splicing type diode assembly convenient for rapid plugging and replacement, which relates to the technical field of diodes, and comprises a diode body, one side of the diode body is provided with a plugging and splicing replacement mechanism, the plugging and splicing replacement mechanism comprises a plugging block, and one side of the diode body is fixedly connected with the plugging block. According to the utility model, through the arrangement of the plugging, splicing and replacing mechanism, the effect of splicing and replacing the diode can be achieved by rapidly plugging the diode, and during the use process, the situation that the diode is damaged and needs to be welded or disassembled by using a tool when the diode cannot be rapidly plugged, spliced and replaced can be avoided; the utility model aims to solve the problems that the existing diode assembly is easy to replace, the maintenance time and difficulty are increased, the maintenance efficiency is reduced, other elements are damaged due to improper operation for some complex circuits, the debugging is inconvenient, the debugging process becomes tedious, the debugging period is prolonged, and the research and development of products are influenced, and the practicability and replacement efficiency of the diode assembly are ensured.

The utility model belongs to the technical field of polarization plate hairbrush installation equipment, and discloses polarization plate hairbrush installation equipment for polarization plates, which comprises a positioning plate, a clamping groove is arranged in the middle of the surface of the positioning plate, a clamping block is clamped in the clamping groove, and the surface of the clamping block is in threaded connection with an abutting ring. Connecting blocks are fixedly connected to the two sides of the clamping block, positioning assemblies are fixedly connected to the two sides of the top face of each connecting block, a groove block is fixedly connected to one end of the clamping block, and an inserting assembly is arranged in the groove block. Through the arrangement of a positioning assembly, a clamping block and a positioning plate, when an installation worker fixes a brush rod, the installation worker can insert the clamping block into a clamping groove, then the installation worker can insert special-shaped rods to the two sides of the top of the positioning plate, and then the installation worker can screw a screw to drive a positioning piece to move vertically; and the positioning piece abuts against the surface of the positioning plate, so that the brush rod can be conveniently and quickly mounted by mounting personnel.

This utility model discloses an integrated panel with integrated quick-connect connectors, comprising an integrated panel that integrates a signal connector, a heating connector, a high-voltage connector, and an MSD switch. The signal connector includes a screwless, quick-connect external signal plug and a signal internal quick-connect socket on the integrated panel. The heating connector includes a screwless, quick-connect heated external plug and a heated internal quick-connect socket on the integrated panel. The signal connector and heating connector of this utility model are connected using a screwless quick-connect method on the integrated panel, which simplifies the customer assembly process and makes quality control easier during panel production. Furthermore, it eliminates the need for additional waterproofing structures at the screw points, resulting in a clever structure, ease of use, and high reliability.

The invention belongs to the technical field of energy recycling, and discloses a device and method for separating carbon black impurities through waste heat, the device comprises a waste heat boiler, a tank body, a heat recovery tower, a filtering device and a waste heat exchanger which are sequentially connected, the tank body is provided with an air inlet and an air outlet, and the device further comprises a crushing assembly arranged in the tank body; the crushing assembly comprises a crushing chamber and a first sieve tray, the crushing chamber is arranged in the tank body, and the first sieve tray is rotationally arranged at the bottom of the crushing chamber; one end of a driving shaft of the crushing head is fixedly connected with the first sieve tray; the output end of the motor is fixedly connected with the driving shaft; the crushing assembly further comprises a sealing plate used for sealing the air outlet. The driving assembly is used for driving the sealing plate to move so as to intermittently seal the air outlet, the crushing assembly further comprises a knocking plate, and the knocking plate is connected with the sealing plate through a supporting rod; the carbon black waste heat recovery device solves the problem that an existing carbon black waste heat recovery device cannot expose large-particle carbon black wrapped ferromagnetic impurities.

The invention belongs to the technical field of connectors, and discloses a communication connector convenient to plug and unplug and a connector assembly, and the connector assembly comprises a first connector, a plurality of connecting ends are arranged in the first connector, a second connector is arranged on one side of the first connector, a connecting terminal is arranged at one end of the second connector, and a wire is arranged at the other end of the second connector. A mounting plate is fixedly mounted on one side of the second connector and located on the outer side of the connecting terminal, and inserting rods are fixedly mounted on the two sides of the mounting plate. The two sides of the first connector are supported through the supporting structure, and the moving rod is pushed through the electric telescopic rod to drive the mounting plate and the second connector to move, so that the moving rod is not fixed by the fixing structure any more, and the connecting terminal and the connecting end are not tightly inserted through the action of a spring in the fixing structure any more, so that the connecting terminal can be quickly pulled and inserted, and the service life of the connecting terminal is prolonged. Therefore, the connection port of the first connector is prevented from being deformed or damaged, and the service life of the connector is prevented from being influenced.

The utility model discloses a pre-embedded isolation clamp which comprises a cable clamp and a pre-embedded screw, the pre-embedded screw is connected with the cable clamp, a reinforcing assembly is arranged at the end, embedded in an external structure, of the pre-embedded screw, and the reinforcing assembly abuts against the external structure in the drawing direction of the pre-embedded screw for limiting; when the isolation clamp is used, the embedded screw rod is embedded in an external concrete structure, so that stable connection between the whole isolation clamp and the external structure is realized; meanwhile, due to the fact that the reinforcing assembly is arranged at the pre-embedded end, the reinforcing assembly abuts against an external structure in the drawing direction of the pre-embedded screw rod for limiting, and therefore the connecting stability and reliability of the isolation clamp can be effectively improved; and meanwhile, quick plug-in connection of the cable clamp and the plug-in board can be realized through the plug-in board, so that the installation efficiency of the cable clamp can be improved.

The utility model discloses a detachable communication mechanism of a glue runner, which comprises a glue supply block mounted on a glue supply mechanism and a connecting block mounted on a dispensing valve, a first mounting hole is formed in the side surface, facing the connecting block, of the glue supply block, one end of a glue supply connecting piece is embedded and mounted in the first mounting hole, and the other end of the glue supply connecting piece is embedded and mounted in the second mounting hole. A through hole is formed in the glue supply connecting piece, a ball is arranged at the other end of the spring in the through hole, a second mounting hole is formed in the side end face of the end, facing the glue supply block, of the connecting block, a runner hole is formed in the end face of the end, located in the second mounting hole, of the glue inlet connecting piece, and a transition runner is formed between the other end of the glue inlet connecting piece and the runner hole. A glue inlet nut is installed at the end, opposite to the transition runner, of the runner hole, and a second spring is arranged between the end face of the glue inlet nut and a second ball. According to the glue stopping device, glue liquid can be stopped when the glue barrel is replaced, the situation of glue overflowing of the glue liquid is avoided, and waste of the glue is reduced.

The application belongs to the technical field of direct current substation, and particularly relates to a battery internal resistance detection device. The application comprises an embedded monitoring host module for receiving and displaying battery internal resistance data, having an alarm and a background monitoring communication interface, the embedded monitoring host module being connected with a communication module, the embedded monitoring host module being connected with an information convergence module through the communication module, the information convergence module being connected with a single-section internal resistance sampling module, the single-section internal resistance sampling module being connected with a battery module; wherein the number of the single-section internal resistance sampling modules is the same as the number of the battery modules, each single-section internal resistance sampling module is directly connected with each corresponding battery module through a short connecting line, and is connected in parallel to the information convergence module through a pressure contact crystal head connecting line. The application has the advantages of efficient expansion, adaptation to different sizes of battery groups, short sampling line distance, simple installation process, high detection precision, low cost and good adaptability of the device.

The utility model relates to the technical field of waterproof aviation plugs, in particular to a waterproof aviation plug plugging and locking mechanism, which comprises a plug main body, a socket bottom plate, a socket, a connecting assembly and a locking assembly, the plug body is movably sleeved with a protective sleeve, the inner wall of the protective sleeve is fixedly sleeved with a fixing ring, a first ring groove is formed in the circumferential wall of the plug body, and clamping blocks are fixedly and symmetrically arranged on the inner wall of the protective sleeve. The socket is fixedly arranged in the center of the socket bottom plate, the socket and the plug body are connected in an inserted mode and are in auxiliary connection through the connecting assembly, and the locking assembly is used for locking the socket and the plug body; the connecting assembly assists in plugging of the socket and the plug body, rapid plugging of the socket and the plug body is achieved, the waterproof effect of the joint of the socket and the plug body is improved, the locking assembly provides a firm connection effect for the socket and the plug body, and connection loosening of the socket and the plug body caused by external factors is avoided.

The utility model discloses a fire-fighting pipeline air tightness detection device, and relates to the technical field of pipe fitting air tightness detection, in particular to a fire-fighting pipeline air tightness detection device, which comprises a pipe fitting, a working table, a driving part, a clamping part and a detection part, and is characterized in that the pipe fitting is placed on the working table; the second gear is driven by the motor to rotate, the clamping plate and the plugging plate are driven to act at the same time, and rapid clamping and plugging of the pipe fitting are achieved. Compared with the prior art, the two ends of the pipeline do not need to be operated respectively, the operation steps are greatly simplified, and the detection efficiency is improved. Specifically, after the motor is started, the second gear drives the two clamping plates and the two plugging plates to be close to the pipe fitting at the same time through cooperation of the annular groove and the supporting column. The clamping plate firstly makes contact with the pipe fitting and clamps and limits the pipe fitting, then the plugging plate continues to move to plug the two ends of the pipe fitting, the whole process is completed at a time, repeated manual adjustment is not needed, and the detection speed and convenience are remarkably improved.

The utility model provides a protective cover and an industrial camera with the protective cover. The protective cover comprises a bottom shell, an upper cover, a control circuit board, a connector, the protective cover and a driving mechanism. The bottom shell comprises a bottom plate and side plates connected with the bottom plate, and the bottom plate and the side plates define a containing space with an opening in the top. The upper cover is detachably connected with the bottom shell and used for sealing the top opening. The control circuit board is located in the containing space. The connector is arranged outside the bottom plate, one end penetrates through the bottom plate to be electrically connected with the control circuit board, and the other end is used for being electrically connected with a power supply circuit in a plug-in mode. The protective cover and the bottom shell are rotationally connected, and optionally, the protective cover and the bottom shell are rotationally connected through a first rotating shaft. In the closed state, the protective cover is located on the outer side of the side plate, and the lower edge of the protective cover is located below the bottom plate and exceeds the outer wall of the bottom plate by a preset distance. The driving mechanism is partially located in the containing space, electrically connected with the control circuit board and used for driving the protective cover to rotate under the control of the control circuit board. The protective cover can be suitable for various types of products to be protected.

The invention discloses a flood control dam rapid repairing structure and method, and belongs to the field of dam repairing structures.The flood control dam rapid repairing structure comprises a plurality of steel corrugated pipes arranged side by side and first sandbags arranged outside the steel corrugated pipes, the steel corrugated pipes are filled with second sandbags, the ends of water outlets of the steel corrugated pipes are fixedly connected with square grids, and the second sandbags are arranged outside the steel corrugated pipes. The top end face of the first sandbag is flush with the top end face of the dam, the steel corrugated pipe is placed in a breach opening of the dam, the placing direction of the steel corrugated pipe is perpendicular to the dam, and a gap between the steel corrugated pipe and the breach opening is filled with the first sandbag. The quick repair method for the flood control dam is used for constructing the quick repair structure for the flood control dam, and the quick repair structure and the repair method for the flood control dam can quickly block a breach and reduce disaster loss.

The utility model discloses a kind of circuit board heat dissipation equipment, including circuit board body and integrated frame, the side of the circuit board body is equipped with integrated frame, two-way screw rod is movably installed in the inside of integrated frame, servo motor is installed on the side wall of integrated frame, and the output end of servo motor is connected with two-way screw rod, two groups of threaded sleeve are sleeved on the surface of two-way screw rod, and threaded sleeve is connected with two-way screw rod, the bottom end of threaded sleeve is all equipped with fin, sliding rail is installed on the side wall of circuit board body in the side of integrated frame, the bottom end of fin is all equipped with sliding block, and sliding block is slidably connected with sliding rail, the other side of circuit board body is provided with mounting box body. The utility model not only realizes the quick plug-in dismounting circuit board of convenient, facilitate multiple flexible adjustment heat dissipation to circuit board, and improve the effect of circuit board heat dissipation and the convenience of dismounting.

The utility model relates to the technical field of composite busbars, and discloses a quick-plug type composite busbar, which comprises a power composite busbar, a high-voltage connector and a capacitor composite busbar. The power composite busbar is provided with a connecting plug, and the connecting plug is inserted and clamped in the high-voltage connector. The capacitor composite busbar is provided with an external interface, and the external interface is fixedly connected to the bottom of the high-voltage connector. According to the quick-plug type composite busbar, the external interface of the composite busbar has a quick plugging function, and meanwhile, the quick-plug type composite busbar is simple to disassemble and maintain, and is beneficial to shortening the maintenance period of the functional module and reducing the maintenance cost.

The utility model discloses a fixed wing aircraft main wing oil tank quick release structure, including main wing and oil tank, and be used for connecting the connecting mechanism of main wing and oil tank, the connecting mechanism includes oil tank fixing piece, the one side of oil tank is provided with the installation slot for installing oil tank fixing piece, the one side of main wing is equipped with main wing fixing piece in oil tank, the one side of main wing fixing piece is equipped with wire material plug no. 1 away from main wing, wire material plug no. 1 is connected with main wing fixing piece through wire material plug fixing piece no. 1, the installation slot is equipped with wire material plug no. 2 that is adapted with wire material plug no. 1. Through the double buckle setting of oil tank fixing piece and main wing fixing piece, make oil tank installation more firm, accurate guidance when installing can make material wire plug and installation butt joint more smooth, and wire material plug need not screw quick plug -in, and oil tank front end installs LDE lamp, and oil tank bottom installs skid, can play the protection function when the airplane lands.

The utility model relates to the technical field of step induction, and disclose a kind of step induction mechanism for mould, including limiting mechanism and induction mechanism, the induction mechanism is located in the inside of limiting mechanism, the limiting mechanism includes fixed base, vertical shaft is rotatably connected in the inside of fixed base.The step induction mechanism for mould, with the advantages such as convenient dismounting, solve in mould production, step induction mechanism is important to control mould opening and closing, guarantee product quality.But existing mechanism has obvious defect: its structure is complex, many parts, rely on professional personnel and a variety of tools fine adjustment when assembling, time-consuming and labor-consuming;Operation is mainly automated, and it cannot meet the demand of artificial flexible adjustment in trial stage, leading to inefficient trial and high cost;When maintaining, a large number of associated parts need to be disassembled for replacing the wearing parts, which is not only troublesome but also easy to damage other components, and the tail material cannot be taken out in time, which often causes the production line to stop, seriously affecting the production progress and efficiency.

A three-way valve body with an emergency sealing structure belongs to the technical field of three-way valve bodies and comprises a valve body, a sealing partition plate A and two sealing partition plates B are fixedly mounted in the valve body and divide an inner cavity of the valve body into an air inlet cavity and a mixing cavity, two through holes are formed in the upper surface of the sealing partition plate A in a penetrating mode, and the two through holes are communicated with the air inlet cavity and the mixing cavity. The two ports are used for communicating with the corresponding air inlet cavities correspondingly, electric execution power sources are installed in the air inlet cavities in a penetrating mode correspondingly, pressing plates are fixedly installed on the lower surfaces of the electric execution units correspondingly, sealing rings are fixedly installed on the lower surfaces of the pressing plates, and sealing bases are fixedly installed at the ports in the upper surface of the sealing partition plate A; a plurality of contact rings are integrally formed on the upper surface of the sealing base, a plurality of adaptive grooves are formed in the lower surface of the sealing ring, the conical contact rings and the adaptive grooves can be utilized to form multi-stage sealing of multiple contact surfaces, and compared with a traditional single sealing ring, the pressure resistance and the sealing performance of the sealing structure are greatly improved.

The application provides a door and window with a guard grid, comprising: a door and window body; a connecting frame is fixedly installed on the top and bottom of the door and window body; a trapezoidal groove is formed on the top and bottom of the rear side of the door and window body; a plurality of guard grid bodies are slidably connected to the inner cavity of the door and window body; a trapezoidal block is fixedly installed on the top and bottom of the front side of the guard grid body; the trapezoidal block is slidably connected to the door and window body through the guard grid body; and a protective shell is fixedly installed on the front side of the door and window body. Through the design of the assembly, the worm and the worm gear are driven by rotating the rotating disc, the toothed plate moves the limiting rod, the single set of guard grid bodies can be quickly clamped or loosened, the efficiency is improved compared with the traditional mode, the trapezoidal block and the trapezoidal groove are slidably matched, the guard grid body can be quickly plugged in and pulled out along the door and window body, one person can operate, the guard grid body can be freely increased or decreased along the vertical direction of the door and window body, and different protection requirements, such as child protection and theft prevention, can be met.

The utility model discloses a modularized button self-locking type connector, which comprises a connector male end, a connector female end and a button self-locking mechanism, the outer side surface of a first shell is provided with a pressing groove, the inner side wall of a second shell is provided with a locking groove, and the pressing groove and the locking groove are matched with each other. The key self-locking mechanism comprises a pressing component slidably arranged in the pressing groove, a reset elastic body arranged between the bottom of the pressing groove and the pressing component and a containing groove, and the pressing component comprises an operation end exposed out of the first shell and a locking arm extending in the inserting direction. A lock catch structure matched with the locking groove is formed at the tail end of the locking arm. The technical scheme of the utility model aims to provide the connector which realizes stable connection through the self-locking structure after plugging is completed, and can prevent the connection reliability from being influenced by external force loosening.

The utility model relates to cleaning appliance technical field, especially a novel electric spray mop, including aluminium lower pole, the top of aluminium lower pole is equipped with aluminium upper pole through bolt mounting, the bottom of aluminium lower pole outer surface is equipped with right side cover, the left side of right side cover is equipped with left side cover through bolt mounting, the bottom between left side cover and right side cover is equipped with mop bottom plate, the left side plug -in installation of left side cover top is equipped with water storage kettle. Press down the micro -switch control micro -water pump and take out the water in water storage kettle and spray to the ground through the spray head, complete the automatic spraying while mopping the floor, do not need personnel manual press spraying, operation is more laborsaving efficient, and spraying is more uniform and accurate, improve cleaning efficiency, pull up water storage kettle and remove from water jug connecting piece, turn over water storage kettle and add water, after filling, the bottom of water storage kettle is inserted into water jug connecting piece, so as to facilitate the dismounting of water storage kettle, and the water replacement is more convenient.

This utility model discloses a scratch-resistant dining table, including a tabletop, a height adjustment mechanism, a mounting and locking mechanism, and a locking auxiliary mechanism. The height adjustment mechanism includes an anti-scratch plate, a bottom support plate, a top support plate, a hinge frame, and a hydraulic cylinder. The mounting and locking mechanism includes a locking tube, a locking rod, an annular groove, an embedded plate, a turntable, and a driving plate. The height adjustment mechanism improves the wear resistance and service life of the tabletop by setting an anti-scratch plate on the top of the tabletop. The use of paired hinge frames and hydraulic cylinders ensures smooth and stable lifting. The locking rod and locking tube can be quickly inserted. The embedded plate and the annular groove complete stable locking, improving assembly efficiency. The spring support pin provides continuous pushing force to the rotating ring, making the rotation of the plate more stable and reliable. The clamping ring clamps the driving plate through a threaded adjustment method to prevent rotational loosening and improve the overall locking force of the connection.

The invention belongs to the technical field of pressure detection, and discloses a high-precision temperature and pressure gauge which comprises a shell, a glass cover is fixedly installed on the front face of the shell, a sealing cover is fixedly installed on the back face of the shell, a fixing block is fixedly installed in the shell, and a threaded rod is fixedly connected to the bottom end of the fixing block. A bourdon tube is fixedly connected into the fixing block, one end of the bourdon tube is fixedly connected with a pressure assembly, a temperature sensing assembly is fixedly installed in the top end of the fixing block, two electric telescopic rods are fixedly installed at the positions, located on the side face of the temperature sensing assembly, in the fixing block, and the movable ends of the electric telescopic rods are fixedly connected with a positioning plate. According to the water pumping device for the bourdon tube, the situation that scale is generated in the bourdon tube and influences the next measurement result of the bourdon tube can be effectively avoided, the water pumping efficiency of the water inlet pipe is effectively improved, impurities in a water source can be filtered, the interior of the water pumping pipe is prevented from being blocked, and the service life of the water pumping pipe is effectively prolonged.