44results about How to "Ensure a stable connection" patented technology

The invention discloses a static pressure pile splicing structure and method for a photovoltaic power station in the technical field of static pressure piles, the static pressure pile splicing structure is applied to a static pressure pile body, the static pressure pile body should be provided with a pile hole, and the static pressure pile splicing structure for the photovoltaic power station comprises an upper connecting outer sleeve ring, a lower connecting outer sleeve ring and an upper connecting outer sleeve ring, the lower connecting inner lantern ring is arranged at the bottom end of the static pressure pile body, and the lower connecting inner lantern ring and the upper connecting outer lantern ring are matched in a nested mode; the first axial positioning grooves are formed in the inner wall of the upper connecting outer sleeve ring and are distributed in the axial direction of the static pressure pile body; and the third axial positioning groove is formed in the outer wall of the lower connecting inner sleeve ring. Through nesting of the upper connecting outer lantern ring and the lower connecting inner lantern ring and the welding process, rapid pile connection of the two static pressure pile bodies can be achieved, the axial rotation limiting function on the pile connection position of the two static pressure pile bodies is achieved, it is ensured that the two static pressure pile bodies can be stably connected, and the high use value is achieved.

This utility model relates to the field of cosmetic bottle technology, and more particularly to a replaceable cosmetic atomizing nozzle, including a bottle body and a nozzle body. A spiral frame is fixedly installed on the bottle body, and a through hole is provided in the bottle body through the spiral frame. A bottle cap for sealing cosmetics is provided on the bottle body, and a threaded frame matching the spiral frame is fixedly installed on the bottle cap. This utility model uses a positioning structure to position the bottle cap with a positioning rod to prevent the bottle cap from accidentally loosening and ensure a stable connection of the nozzle body. A clamp structure allows for quick replacement of the nozzle cap. When the nozzle body needs to be replaced, the rubber sleeve is removed, and the guide rod is pulled to move. The guide rod applies pressure to the spring through a pressure block, which causes the clamp block to disconnect from the limit block, allowing the nozzle cap to be removed and the nozzle body to be replaced. No rotation or tools are required, achieving quick disassembly and assembly of the nozzle cap, making it convenient for users to replace the nozzle body.

The utility model discloses a kind of PCB board mounting mechanisms, including carrier and jig, carrier includes carrier main body and magnetic attraction component, carrier main body is equipped with cavity, built-in magnetic attraction component is locked PCB board by magnetic force, carrier is placed between jig and PCB board, jig main body is with guide rail, several adsorption components movable thereon, PCB board is fixed by negative pressure adsorption.The utility model is locked by magnetic attraction piece on the carrier main body and the magnetic piece on PCB board, to ensure that carrier and PCB board are stably connected, jig main body is equipped with guide rail, and the adsorption component movable thereon is fixed by negative pressure adsorption, the vacuum degree of vacuum lifting is improved by small area contact of suction nozzle, cooperate with the magnetic attraction positioning of carrier, so that PCB board keeps stable position in mounting process, avoids deviation, simplifies operation process, improves mounting precision and production efficiency, especially suitable for high-precision assembly demand in custom LED display product automated production line.

The utility model provides a battery cell and a battery cell module, and relates to the field of battery cell structures. The battery cell comprises a pole group assembly which at least comprises a first pole group and a second pole group; first tabs are respectively formed at two ends of the first pole group, and second tabs are respectively formed at two ends of the second pole group; the first pole group and the second pole group are stacked in sequence, so that the first tab and the corresponding second tab form a first bending part; and a shell assembly, the pole group assembly is arranged in the shell assembly, the shell assembly is provided with a connecting sheet, and the connecting sheet is provided with a second bending part which can be correspondingly connected with the first bending part.

The invention relates to the technical field of motors, in particular to an alternating-current permanent magnet synchronous servo motor with a staggered-pole rotor structure and a using method thereof.The alternating-current permanent magnet synchronous servo motor comprises a motor shell, a stator assembly is fixedly connected into the motor shell, a shaft body is arranged in the motor shell, and the two ends of the shaft body are connected with the motor shell through bearings; a plurality of iron core pieces are fixedly connected to the outer surface of the shaft body, splicing assemblies used for staggered arrangement are arranged in the iron core pieces, a fixing ring rotationally connected with the shaft body is fixedly connected to the interior of the motor shell, a plurality of fan blades used for heat dissipation are arranged on the fixing ring in a divergent mode along the center of the fixing ring, and swing rings are rotationally connected to the two sides of the fixing ring correspondingly; a plurality of acceleration rollers used for abutting against the shaft body are arranged on the inner wall of the swing ring, and a driving assembly used for driving the acceleration rollers to rotate is arranged on the inner wall of the swing ring. Through the design of the swing ring and the acceleration roller in the swing ring, extra driving force can be provided when the shaft body is started, and starting resistance is effectively restrained.

The utility model provides a waterproof volume hot melt welding machine relates to waterproof volume field, including box, the inner wall top of box is connected with filter box fixedly, the inner wall of filter box is connected with HEPA filter screen, activated carbon filter screen and chemical filter screen respectively slidingly, the outer wall of filter box all is connected with first connecting plate fixedly, the inner wall of first connecting plate all is connected with clamping plate slidingly, the utility model discloses, through setting HEPA filter screen, activated carbon filter screen and chemical filter screen, can carry out adsorption filtration to harmful gas, finally through the air extractor and the air pipe export to the outside, a variety of filter screen cooperation, can effectively filter the harmful gas produced when operating, prevent the harm staff's health, and, by the synergetic effect of first connecting plate, spacing rod, clamping plate and compression spring, the user can conveniently dismouting corresponding filter screen, is convenient for its cleaning or replacement, to this end ensures the follow -up filtration effect.

This utility model provides a lamp tube storage and collection device, relating to the field of lamp tube storage and collection technology. It aims to solve the problems of poor protection of lamp tubes in existing lamp tube collection and collection devices, resulting in easily damaged lamp tubes and affecting their later use. The device includes a workbench with casters evenly distributed on its bottom. Bases are evenly distributed on the workbench, and lamp tubes are placed on the bases. A cover plate is movably connected to the bases, and the shapes of the cover plate and the inner walls of the bases are matched to the shape of the lamp tubes. A rod is installed at the bottom of the cover plate, and a groove is provided on the bases, with the rod fitting into the groove.

The utility model relates to the technical field of radiators, in particular to an extensible base station radiator. An extensible base station radiator comprises a first base shell and a second base shell, wherein the first base shell and the second base shell are rectangular and are oppositely arranged. The multiple copper pipes are arranged between the first base shell and the second base shell, and the multiple copper pipes are sequentially distributed along the diagonal line of the first base shell or the second base shell; the at least one fin unit is detachably connected to the outer sides of the multiple copper pipes, each fin unit comprises a first fin and a second fin, the first fins and the second fins are provided with bosses and grooves, the number of the bosses and the number of the grooves are the same as the number of the copper pipes, and the bosses and the grooves are matched with the bosses and the grooves. And the lengths of the plurality of bosses and the grooves are gradually increased along the diagonal line of the base shell I or the base shell II. The radiator has the advantages that when the temperature of the outer surfaces of the copper pipes is low, the radiator can evenly radiate and cool the fin units, and therefore the radiating speed of the fin units is increased.

The utility model relates to the related technical field of radar level meters, in particular to a quick mounting structure of a radar level meter, which comprises a flange ring, a shell and a detector, and is characterized in that the shell is connected to the upper surface of the flange ring, and a mounting mechanism is arranged on the upper surface of the flange ring; and a plugging mechanism is arranged on the surface of the inner side of the shell. According to the rapid installation structure of the radar level meter, firstly, a flange ring is fixed to a machine, then a connecting rod is placed in a connecting ring, then a first spring is placed in a groove, a pressing block is pushed out to a designated position, it is ensured that the connecting rod and the connecting ring are stably connected, the installation process is effectively simplified through the design, and the labor cost and the time cost are reduced; and meanwhile, the connecting rod is also convenient to take out, the connecting rod can be easily pulled out only by extruding the pressing block to a designated position, the equipment is more convenient to maintain due to the quick dismounting structure, and the time and energy cost of maintenance personnel is greatly saved.

The breathing pipeline connector is used for being detachably connected with an air conveying pipeline and comprises a connector body and an elastic component arranged on the connector body in a sleeving mode, and the connector body and the elastic component are matched to form an airflow channel for fluid circulation; the connector body comprises a pipe body and two first cantilever structures arranged along the pipe body in an aligned mode, each first cantilever structure is provided with a pressing part and a clamping part, the air conveying pipeline is provided with a matching part matched with the clamping part, the breathing pipeline connector is connected with the air conveying pipeline through clamping matching of the clamping parts and the matching parts, and the pressing parts are connected with the pipe body. The pressing part can deflect relative to the pipe body under the action of external force so as to drive the clamping part and the matching part to be unlocked. Due to the fact that the two first cantilever structures are arranged along the pipe body in the aligned mode, a double-finger pressing area conforming to ergonomics is formed, pressing on the pressing part can be achieved through natural kneading of the thumb and the index finger, and therefore the pressing part is driven by one hand to move so as to achieve unlocking of the connector and the gas conveying pipeline.

The utility model relates to a cable swingable waterproof joint capable of preventing following rotation. The cable swingable waterproof joint comprises a joint body, a locking piece, a clamping jaw core sleeve and a nut, the locking piece is arranged in the clamping jaw core sleeve, the positioning protruding edges are arranged in the positioning grooves in a one-to-one correspondence mode, the clamping jaw core sleeve is arranged in an inner cavity of the upper portion of the connector body, the steel balls are arranged in sliding grooves of the clamping jaw core sleeve in a one-to-one correspondence mode, second external threads are arranged on the outer wall of the nut, and the lower portion of the nut is connected with the internal threads of the connector body through the second external threads. The design that the cable, the locking piece and the clamping jaw core sleeve can swing can reduce the failure risk that a sealing piece is not evenly stressed due to the fact that the long-term bending angle of the cable is too small, the cable swinging back and forth is protected, and stable connection of the connecting position of the binding post is kept. The design that the cable, the locking piece and the clamping jaw core sleeve cannot rotate can prevent the torsion of the cable from being transmitted to the wiring pile, thereby preventing the wiring from loosening or being damaged.

The invention provides a preparation method of a laser-strengthened wear-resistant hard film, which relates to the field of surface treatment and comprises the following steps: step 1, pretreatment of a substrate: carrying out a pretreatment process of oil and rust removal treatment and polishing treatment on the substrate; 2, preparing a ceramic hard thin film: preparing the ceramic hard thin film on the surface of the pretreated substrate by utilizing chemical vapor deposition; and thirdly, laser scanning strengthening is conducted, specifically, laser melting equipment is adopted for conducting laser scanning strengthening on the surface of the ceramic hard thin film, and therefore a laser strengthening layer is formed between the base body and the ceramic hard thin film. According to the method, the problem of low bearing capacity of the metal base material is solved through combination of laser strengthening and the ceramic hard thin film, so that the excellent characteristics of high hardness, high wear resistance, high temperature resistance, corrosion resistance and the like of the ceramic hard thin film are fully exerted.

The utility model belongs to the field of cabinets, and particularly relates to a partition plate end connecting piece, a connecting structure of a partition plate and a drawer wall plate and a drawer. The partition plate end connecting piece comprises a connecting body, a connecting part is arranged at one end of the connecting body and used for being connected with the end of a partition plate, an inclined face is arranged at the other end, opposite to the connecting part, of the connecting body and used for being attached to a wall plate of a drawer, and an embedding groove is formed in the portion, at the upper end of the inclined face, of the connecting body. When the partition plate end connecting piece is buckled with the drawer wall plate, one side of the drawer wall plate is matched in the caulking groove; the utility model designs a partition plate end part connecting piece which can be quickly connected with an inclined end plate of a drawer, and the connection is reliable and stable.

This utility model discloses a cast-in-place running track, which consists of a base layer composed of several prefabricated concrete modules connected end-to-end. During the pre-construction process, the concrete modules can be cast in a factory using molds. These factory-cured modules can then be directly transported to the site for installation. Each concrete module has a gap between its first end along its length and the placement plane, and a protrusion at its second end. When two adjacent modules are connected, the protrusion of one module embeds into the gap between the other module and the placement plane, ensuring a stable connection of the base layer. This modular design allows for rapid assembly of the runway base layer, significantly reducing on-site construction time, minimizing dependence on environmental conditions, and improving construction efficiency and quality.

The utility model discloses a waterproof wire harness connector assembly, which comprises a plurality of wire bodies, waterproof assemblies are arranged on the wire bodies, each waterproof assembly comprises a connecting plug, a connecting plug block, a driving sleeve, a driven sleeve and a rubber block, the connecting plug is connected to one wire body, the connecting plug block is connected to the other wire body, the driving sleeve is connected to the other wire body, and the driven sleeve is connected to the other wire body. The inserting block is matched with the inserting head, the driving sleeve and the driven sleeve are connected to the line body in a sliding mode, the rubber block is arranged at the joint of the line body, the driving sleeve and the driven sleeve, a fixing assembly is arranged on the line body and comprises a fixing plate, a fixing base and an upper clamping plate, the fixing plate is arranged at one end of the line body, and the fixing base is arranged at the other end of the line body. The fixing base is fixedly installed on the fixing plate, and the upper clamping plate is arranged on the fixing base, so that the technical problem that the waterproof effect cannot be flexibly adjusted or optimized according to actual requirements due to the fact that many existing wire harness connectors mentioned in the background technology are designed to be fixed is solved.

The invention provides a vibration damping device and a vehicle, the vibration damping device is used for being placed between an air conditioner complete machine located on a vehicle roof and the vehicle roof, and the vibration damping device comprises a connecting assembly, and the air conditioner complete machine and the vehicle roof are connected through the connecting assembly; and the vibration reduction assembly comprises a first vibration reduction part and a second vibration reduction part which are arranged along the roof at intervals, the first vibration reduction part is arranged corresponding to an evaporator of the air conditioner complete machine, and the second vibration reduction part is arranged corresponding to a compressor of the air conditioner complete machine, so that the problem that a device for reducing vibration of the air conditioner system of the bus is lacked in the prior art is solved.

The utility model relates to an electric transfer trolley for garbage cans, which belongs to the technical field of environmental sanitation vehicles and comprises a transfer trolley body, a classification assembly is fixedly connected to the top end of the transfer trolley body, filter assemblies are fixedly connected to two sides of the classification assembly, the classification assembly comprises a box body, and the bottom end of the box body is fixedly connected to the top end of the transfer trolley body. Clamping plates are fixedly connected to the two sides of the box body, a first filter screen is fixedly connected to the close sides of the two clamping plates, and guide plates are fixedly connected to the two sides of the bottom end of the first filter screen, so that mixing of liquid and solid garbage is reduced, the overall weight and adhesiveness of the garbage are reduced, the cleaning and treatment process is simplified, and the cleaning efficiency is improved. The device is simple in structure and convenient to operate, liquid and solid are effectively separated, foul smell and toxic gas generated in the garbage treatment process are removed, exhausted gas is cleaner through filtration of activated carbon, meanwhile, the effect of rapidly disassembling the first filter screen and the second filter screen is achieved, and the subsequent disassembling work is simple, convenient and fast.

The utility model discloses a quick installation scaffold which comprises a supporting rod, a connecting rod is arranged on one side of the supporting rod, a connecting device is arranged at the connecting position of the supporting rod and the connecting rod, and the connecting device comprises an installation sleeve, a movable sleeve, a clamping plate, a first spring, a sliding block and a first sliding groove. The first sliding grooves are formed in one side of the mounting sleeve and one side of the movable sleeve correspondingly, the sliding blocks are connected with one side of the clamping plate, the sliding blocks are installed in the first sliding grooves in a sliding mode, the first springs are movably installed in the mounting sleeve and the movable sleeve correspondingly, and the movable sleeve is movably installed on one side of the mounting sleeve. An adjusting mechanism is arranged in the mounting sleeve and comprises a limiting gear and a limiting gear sleeve, the limiting gear sleeve is fixedly mounted on one side of the mounting sleeve, the limiting gear is fixedly mounted on one side of the movable sleeve and matched with the limiting gear sleeve, and a clamping device is arranged at the top end of the supporting rod.

The present invention relates to the technical field of flow monitoring, and discloses a novel high-precision metal tube float flowmeter with high reliability, comprising a flowmeter body, the flowmeter body comprising a float and a measuring tube, the float is movably arranged inside the measuring tube, a T-shaped fixing rod is fixedly arranged inside the measuring tube at the position of the liquid inlet end, the inside of the T-shaped fixing rod is hollow, a liquid inlet hole is opened at the lower end of the T-shaped fixing rod, a piston pad is slidably connected inside the vertical side of the T-shaped fixing rod, and a T-shaped sliding rod is fixedly connected to the upper end of the piston pad. The novel high-precision metal tube float flowmeter with high reliability can make the float fall back and reset quickly and stably through magnetic attraction as the medium stops flowing, the float falls back with high reliability, there is no need to manually return the float to its original position, the use effect is good, and at the same time, the verticality of the measuring tube can be observed during use to ensure normal measurement.

The climbing robot comprises a robot body and the climbing assemblies arranged on the two sides of the robot body, connecting structures are arranged on the two sides of the robot body, the connecting structures are used for connecting the robot body with the climbing assemblies, and each connecting structure comprises a shaft rod fixedly connected to the two sides of the robot body; the climbing assembly is arranged on the surface of the shaft rod in a sleeving mode, the inner side of the climbing assembly is fixedly connected with a sleeve plate, the sleeve plate is arranged on the surface of the shaft rod in a sleeving mode, the surface of the shaft rod is sleeved with a rotating wheel, and the inner side of the rotating wheel is fixedly connected with a sliding rod. Through the combination of the shaft rod, the sleeve plate, the rotating wheel and the sliding rod, rapid installation and fixation of the climbing assembly are achieved, when the rotating wheel rotates, the sliding rod extrudes the sleeve plate to enable the climbing assembly to swing and be inserted into the positioning frame, the installation process is simplified through the design, the installation efficiency is improved, and stable connection of the climbing assembly is ensured.

The utility model relates to the technical field of buildings, in particular to a floor type steel pipe scaffold which comprises a vertical rod, a transverse rod and a connecting device, the transverse rod is located on one side of the vertical rod, the connecting device is located on the surface of the transverse rod, the connecting device comprises a connecting block and an installing disc, and the connecting block is fixedly connected with one end of the transverse rod. The mounting disc is mounted on the surface of the vertical rod, the mounting disc is sleeved with the connecting block, a plug pin is inserted into the connecting block, an inserting hole is formed in the surface of the mounting disc, one end of the plug pin penetrates through the inserting hole, a base is fixedly connected to the surface of the cross rod, and a limiting rod is rotationally connected to the inner wall of the base; and the surface of the limiting rod is fixedly connected with a shade. According to the utility model, the connecting device is arranged, so that the connection of the scaffold is conveniently completed, the bolt is effectively positioned, the bolt is effectively prevented from loosening, the stable connection of equipment is ensured, and the normal use of the equipment is facilitated.

The utility model discloses paint spraying equipment for valve processing, which comprises a fixed frame, a paint spraying device is arranged on the fixed frame, the paint spraying device comprises a spray head, a movable frame, a first motor, a transmission wheel and a transmission belt, the spray head is arranged on the movable frame, the first motor is connected with the transmission wheel, the transmission belt is sleeved on the outer side of the transmission wheel, and a conveying pipe is arranged on one side of the spray head. A connecting pipe is arranged at one end of the conveying pipe, one end of the connecting pipe is connected with an inserting device, a sealing mechanism is arranged on the outer side of the connecting pipe, and the sealing mechanism comprises a first spring, a movable plate, a connecting block, a fixed block, a receding hole, a supporting rod, a push spring, a movable groove, a gasket, a sliding block, a longitudinal groove, a transverse groove and a second spring. The receding hole is formed in the movable plate, the push spring is arranged on the outer side of the supporting rod in a sleeving mode, the movable groove is formed in the side wall of the connecting pipe, the gasket is installed in the connecting pipe, the sliding block is installed in the longitudinal groove, the transverse groove communicates with the longitudinal groove, and the second spring is installed in the transverse groove.

The utility model discloses a kind of planet double-screw extruders for production of laminated composite PET material, it is related to extruder technical field, including mainframe, the side of the mainframe is equipped with feed hopper, the feed hopper is equipped with two, the mainframe is fixedly connected with lower shell on the side of feed hopper location.The utility model adopts above-mentioned structure, second slide plate is moved by pull rod, second slide plate drives second positioning rod to move, second positioning rod leaves the second positioning hole of round block, then rotates twist block and drives screw rod to rotate, make the first slide plate of screw rod outer surface drive first positioning rod to move, first positioning rod leaves first positioning hole, extrusion die head is no longer fixed at this time, it can be quickly removed, compared with traditional screw fastening mode, without the aid of spanner, screwdriver etc. Professional tool can quickly realize die head replacement, single die head disassembly replacement time is greatly shortened, effectively reduce equipment maintenance time cost, improve production efficiency.

The invention provides a split mounting type combined threading plate, belongs to the technical field of machinery, and solves the problem that an existing threading plate is poor in use effect. The assembly type combined threading plate comprises a base plate which is provided with a plurality of installation grooves, one end of the base plate is provided with a threading pipe, and a steel wire is arranged in the threading pipe in a penetrating mode; the number of the needle plates is multiple, the needle plates are embedded in the corresponding installation grooves, a main clamping block is connected between every two adjacent needle plates in a clamped mode, a row of threading needles are arranged on the tops of the needle plates, threading holes are formed in the tops of the threading needles, the threading holes are coaxially formed, and the steel wire can sequentially penetrate through the threading holes along the threading pipe. The method has the advantage of being good in use effect.

The retaining wall comprises a base, a movable wall body, an upstream face wall body and a downstream face wall body, the base comprises side edge base bodies and a middle base body, a connecting piece is arranged at the bottom of the movable wall body, the upstream face wall body comprises an upstream face wall plate and a reinforcing wall body, the upstream face wall plate is arranged outside the reinforcing wall body, and the downstream face wall body is arranged outside the reinforcing wall body. The upstream face wall plate is connected with the base and the movable wall body, the downstream face wall body comprises a downstream face wall plate and a reinforcing support, the downstream face wall plate is arranged outside the reinforcing support, the downstream face wall plate is connected with the base and the movable wall body, and the reinforcing support is connected with the movable wall body. According to the retaining wall for the water conservancy project, the retaining wall is designed into a plurality of modules, the modules comprise the base, the movable wall body, the upstream face wall body and the downstream face wall body, all the modules are assembled through the connecting structures, through the modular design, the retaining wall is very convenient to assemble and disassemble, the construction efficiency is improved, and the construction cost is reduced. And the maintenance cost is reduced.

The utility model discloses a narrow-edge anti-drop fixing structure for an HUD (Head Up Display) light-transmitting cover, which relates to the technical field of HUD light-transmitting covers and comprises an upper shell, a cover plate is arranged on the inner side of the upper shell, and a fixing assembly is arranged between the upper shell and the cover plate; the cover plate is provided with a plurality of fixing assemblies, each fixing assembly comprises a clamping hole, an abutting block is arranged in the clamping hole, the top of the abutting block is fixedly connected with a limiting block, and a buckle is arranged in each clamping hole. Through the arrangement of the fixing assemblies, the problem that due to the fact that the adhesive area of the cover plate is small, adhesive degumming is caused in the high-temperature and high-humidity environment can be solved; through clamping connection of a profiling surface and a limiting hole on a buckle in the fixing assembly and an abutting block and a limiting block in the clamping hole, stable connection between the upper shell and the cover plate is ensured, the problem that the sealing performance of the upper shell and the cover plate is reduced due to adhesive failure can be effectively solved, dust and other fine particles are effectively prevented from permeating from the joint, and the service life of the upper shell and the cover plate is prolonged. And the fault maintenance rate of internal mechanical parts and electronic components is reduced.

The invention relates to the technical field of servers, and discloses a server which comprises a case, a hard disk support, a first capacitor support and a second capacitor support. The hard disk support is arranged in the case, and the hard disk support and the bottom of the case define a containing cavity. The hard disk support is provided with a first connecting assembly and a second connecting assembly. The first capacitor bracket is arranged in the accommodating cavity and is detachably connected with the hard disk bracket through a first connecting assembly; the first capacitor support is suitable for installing a single super capacitor. The second capacitor bracket is arranged in the accommodating cavity and is detachably connected with the hard disk bracket through a second connecting assembly; the second capacitor bracket is suitable for mounting a plurality of super capacitors; when the first capacitor support is located at the first fixed position, the second capacitor support is located at the second separated position; when the second capacitor support is located at the second fixed position, the first capacitor support is located at the first separated position, the adaptation flexibility and operation convenience of the server for different configuration requirements are improved, and the technological maintenance process is accelerated.

The utility model relates to a waterproof sealing structure of a light guide tube LED lamp holder. The waterproof sealing structure comprises a lamp holder body, a light guide tube and a sealing assembly. The lamp holder body is connected with the light guide pipe through a sealing assembly, so that the sealing effect between the lamp holder body and the light guide pipe is achieved. A connecting port for inserting the light guide tube is formed in the lamp holder main body, so that the light guide tube is electrically connected with the lamp holder main body. According to the waterproof sealing structure of the light guide tube LED lamp holder, the lamp holder body and the light guide tube are effectively connected through cooperation of all parts in the sealing assembly, the sealing effect between the lamp holder body and the light guide tube is ensured, the interior of the lamp is prevented from being affected by external moisture, dust and the like, the service life of the lamp is prolonged, and the sealing assembly not only achieves the sealing effect, but also achieves the waterproof effect. In addition, the connecting effect is achieved, stable connection between the lamp holder body and the light guide pipe is guaranteed, and the possibility of faults and damage caused by looseness is reduced.

The utility model discloses a lamp shade installation structure and clothes airing device, the lamp shade installation structure is used for the clothes airing main machine of the clothes airing device, the clothes airing main machine comprises a lamp holder, a lamp body and a lamp shade which extend along a first direction, the lamp body is fixedly connected with the lamp holder and is used for lighting downwards, and the lamp shade covers the lamp body; the lampshade mounting structure comprises limiting parts, the limiting parts are connected to the two sides, perpendicular to the first direction, of the lamp holder through fasteners and extend out in the direction perpendicular to the first direction, the lampshade is provided with abutting parts, and the abutting parts are suitable for being inserted into the limiting parts so that the limiting parts can upwards support the abutting parts. According to the lampshade mounting structure and the clothes airing device, the lampshade mounting structure can be stably fixed to the clothes airing device, unnecessary movement in the using process is avoided, meanwhile, dismounting and mounting are convenient and fast, and the service life of the lampshade mounting structure is prolonged. A user can clean, replace and repair the lampshade and the lamp holder under the condition that the telescopic bracket and the airing rod of the clothes airing device are not dismantled.

The invention provides an assembling device and method for a secondary terminal outlet box cover of a voltage transformer, and belongs to the technical field of box cover assembling, the assembling device comprises a secondary terminal outlet box cover, the secondary terminal outlet box cover is connected with a secondary terminal outlet box through a shaft pin, a fastener is installed on the shaft pin, the fastener is a fastening nut, the shaft pin is of a stud structure, and the secondary terminal outlet box cover is connected with the secondary terminal outlet box through the shaft pin. A fixing part is installed on one side of the secondary terminal outlet box cover, a hinge arm is installed on the other side of the secondary terminal outlet box cover, a hinge seat is installed on one side of the secondary terminal outlet box, a long arc hole is formed in the hinge seat, the hinge seat is connected with the hinge arm through a shaft pin, and a fixing nut is installed on the other side of the secondary terminal outlet box cover and is in a butterfly shape. According to the invention, the processing error can be reduced, the influence on the sealing performance of the secondary terminal outlet box cover is reduced, the sealing problem caused by non-uniform pressure of the sealing element can be avoided when the box door is closed, and the sealing reliability and durability are improved.