98results about How to "Avoid disassembly" patented technology

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 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.

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.

The utility model discloses an efficient tapping clamp for a rod end knuckle bearing, and relates to the technical field of machine tools. An efficient tapping clamp for a rod end knuckle bearing comprises a workbench and two fixing bases, two limiting devices are arranged on the workbench, each limiting device comprises a mounting block, a clamping block and two protective shells, the two protective shells are correspondingly and fixedly connected on the two sides of the clamping block, and a sliding mounting base groove is formed in the outer wall of one side of the mounting block; a rotating threaded rod in a limiting device is screwed to rotate to drive a limiting block to move oppositely while moving oppositely, then the limiting block moves oppositely to enable the outer wall of the other end of the limiting block to be disengaged from the inner wall of a second limiting block groove, and then a clamping block can be taken down from a mounting block by pulling the clamping block, so that the clamping block is simple and rapid to disassemble, and the working efficiency is improved. The situation that a worker needs to disassemble the whole clamping assembly to disassemble the clamping block is avoided, the workload of the worker is effectively reduced, and meanwhile the maintenance and overhaul efficiency of the clamping block is improved.

The application discloses a kind of biological reaction devices of plant tissue, comprising, culture device, for the culture of plant tissue, the outer wall of the culture device is provided with detection device, for detecting the parameter and / or sampling of culture solution in the culture device;Heat transfer structure, for the temperature control of the culture device, the heat transfer structure has notch, the detection device is arranged on the outer wall of the culture device in the notch.The plant tissue is cultured by the culture device in the application, the temperature in the device is kept stable by heat transfer structure, prevent the influence caused by external temperature to the environment in the device.And detection device is arranged on the outer wall of the culture device in the notch of heat transfer structure, can avoid the damage or heat loss of heat transfer structure caused by detection device passing through heat transfer structure, ensure the integrity of heat transfer structure, make temperature keep stable, plant tissue better growth.

The utility model discloses an overturning and shaking device for diamond micro-powder, and relates to the technical field of diamond micro-powder dispersion. Comprising a supporting base, a mixing main body rotates on a supporting plate, diamond micro-powder is prevented from being accumulated on the inner wall and the bottom of the mixing main body in a rotation mode, more sufficient mixing and dispersing are achieved, and the stirring efficiency is improved; the stirring support on the outer wall of the movable shaft is driven to conduct stirring work in the mixing body, the arranged stirring support can be inserted in a sliding mode through a sliding groove in the outer wall of the movable shaft, then locking and dismounting are conducted through a bolt, and dismounting of the stirring support is achieved. The stirring support can be conveniently taken down to be cleaned or replaced when needed, the influence of dirt accumulated due to long-term use of the stirring support on the stirring effect is avoided, and meanwhile, the device is convenient to maintain and repair.

This utility model discloses an automobile wheel hub, including a rim body and a spoke body. The spoke body has a mounting groove at its center, and a through hole at its center. Several bolt holes are arranged around the outside of the through hole. A mounting sleeve is threaded into the through hole, and a protective cover is connected to the mounting sleeve. The protective cover is installed on the top of the mounting groove. Several locking grooves are arranged in a ring shape on the through hole, and a spring is installed in each locking groove. A magnetic plug is connected to the end of each spring. An annular groove is formed on the outside of the mounting sleeve, and the magnetic plug connects the annular groove and the locking groove. A driving groove is provided inside the mounting sleeve, and a cover is installed on the outside of the driving groove. This utility model protects the wheel hub bolts with the protective cover, effectively reducing the risk of wheel hub and tire theft. The magnetic plug locks the mounting sleeve to the spoke body, preventing the protective cover from being disassembled with ordinary tools.

The utility model discloses a dust removal pipeline automatic cleaning device, including bypass pipe, bypass pipe sets up one side of dust removal pipeline, and with dust removal pipeline through the connecting pipe intercommunication, install joint subassembly on dust removal pipeline, and the connecting pipe is communicated with dust removal pipeline through joint subassembly, so as to be convenient for through the connecting pipe to dust removal pipeline inside blow gas realizes deposition impurity cleaning, the application is through setting up bypass pipe and connecting to the connecting pipe of dust removal pipeline, and the gas is passed into in bypass pipe and enters dust removal pipeline through joint subassembly on connecting pipe and dust removal pipeline, thereby to the carbon black etc. impurity cleaning deposited on the dust removal pipeline wall surface, thereby avoid disassembling dust removal pipeline, and the cleaning is convenient, and the efficiency is high, and the damage to dust removal pipeline is reduced, and joint subassembly guarantees that the connecting pipe is closely connected with dust removal pipeline, improves the blowing effect of airflow in dust removal pipeline, thereby effectively cleaning the impurity of wall surface.

The utility model relates to the field of environmental management, especially a sludge treatment device for water environment management, which comprises a fixed frame, a water inlet pipe is connected to the top center of the fixed frame, a one-way valve is installed at the top end of the water inlet pipe, and a cleaning structure is arranged inside the fixed frame. The cleaning structure comprises a bidirectional screw rod rotatably connected to the inner walls of the four corners of the fixed frame, a mounting frame slidably connected to the outer walls of the two ends of the bidirectional screw rod, threaded blocks welded to the outer walls of the four corners of one side of the mounting frame, and a filter groove formed in the outer walls of the mutually distant sides of the mounting frame. The filter screen penetrates the cleaning rod on the mounting plate, the cleaning rod pushes the residual sludge on the filter screen out, the holes of the filter screen are cleaned, the filter screen is dredged, the sludge is exposed at the cleaning port, the sludge is discharged through the cleaning port, the accumulated sludge is discharged from the cleaning port with water or tools, the accumulated sludge is cleaned, the sludge is separated, and the sludge is prevented from being removed.

The invention provides a method for preventing goods exchange through an electronic tag, the electronic tag and a goods management system, and belongs to the technical field of electronic tags. The method comprises the following steps: after the electronic tag is installed on a cargo, acquiring a voltage value output by a pressure sensor and a temperature value output by a temperature sensor; performing filtering calculation on the voltage value output by the pressure sensor to obtain a filtered voltage value; calculating a pressure value corresponding to the filtered voltage value, and performing compensation calculation on the pressure value based on a temperature value output by the temperature sensor to obtain a compensated pressure value; and calculating a difference value between the compensated pressure value and the reference pressure value, and when it is determined that the difference value between the compensated pressure value and the reference pressure value is greater than a pressure alarm threshold value, determining that the behavior of illegally disassembling the electronic tag occurs, and generating alarm information. According to the invention, the influence of interference factors such as environmental vibration and temperature change on monitoring data of the pressure sensor is reduced, misjudgment of dismounting of the electronic tag is avoided, and the accuracy of alarm information is ensured.

This utility model relates to the field of air sampling technology, and more particularly to a directional sampling and filtering device for atmospheric environmental detection. Its technical solution includes: a filter assembly, an intermediate chamber, and a gas storage assembly. The filter assembly is located at the bottom of the intermediate chamber, and the filter assembly consists of filter elements, a housing, and a rotating plate. The upper inner wall of the housing is threaded onto the lower outer wall of the intermediate chamber. The rotating plate is rotatably disposed within the housing, and each filter element is threaded at equal intervals onto the rotating plate. The gas storage assembly is located at the top of the intermediate chamber. The filter assembly consists of a cylindrical body, a piston slidably disposed within it, and two one-way valves. This utility model achieves the beneficial effects of high-efficiency purification, rapid replacement, and stable sampling through a multi-filter element rotation and replacement structure and a one-way filtration design.

The utility model relates to cash counter technical field discloses a bank cash counter, including cash counter body, display screen, control button, the display screen sets up at one side of cash counter body, the control button is installed in the side top of cash counter body, the cash counter body one side symmetry has opened two cash taking and placing mouth, the side top of cash counter body has established the storage groove, the back of cash counter body has established the placing groove, the placing groove is connected with the mounting panel in the clamping, the utility model uses simple, hides screw in bottom through the mounting hole and increases the dismounting difficulty to prevent non - working personnel to dismount the screw, rectangular board and baffle are fixed after through a plurality of screws and card bar, not only fixed firm and easy to dismount, and dismount the rectangular board simultaneously can pass through the mounting panel and pull out electric equipment from the placing groove, thereby facilitated the installation and dismounting of electric equipment.

The utility model relates to rail clamp technology field discloses a rail clamp for elevator installation, including fixed base, the fixed base outer wall one side is provided with clamping mechanism, the fixed base upper end is provided with adjusting mechanism, the clamping mechanism includes first fixed block, first fixed block outer wall one side is connected with the inclined fixed block, first fixed block and inclined fixed block outer wall one side are connected with fixed plate, the fixed base inside is provided with hydraulic pressure rod, the hydraulic pressure rod upper end is connected in fixed plate bottom end face one side. In the utility model, through the mutual cooperation between the hydraulic pressure rod, fixed plate, fixed block, clamp block that set up, can clamp the elevator slide rail, avoided because long -time use bolt, make bolt damage the security hidden danger that produces, through the mutual cooperation between the pull rod, spring, pulley, can be convenient for with device moves to the appropriate position and fixes, avoided frequently disassembles bolt, again with device removes to the appropriate position, convenient operation.

The utility model relates to electrical circuit installation technical field, concretely is a kind of electrical circuit installation equipment, including support frame, the lower surface of support frame is placed with enclosed plate, the upper surface of support frame is provided with safety device, and safety device includes water storage box, and water storage box is fixedly connected with the upper surface of support frame, and the inside of water storage box is provided with water storage groove, and the inside fixedly connected with guide plate of water storage groove, the surface fixedly connected with enclosed sleeve of guide plate, and enclosed sleeve is fixedly connected with the inside of water storage groove, and the inside rotationally connected with rotating rod of enclosed sleeve, and the both ends of rotating rod are rotationally connected with the inside of water storage box, and the outer surface of rotating rod is provided with water guide groove, and one side of water storage box is fixedly connected with driver.The utility model, by setting safety device, can effectively facilitate worker to extinguish fire to the electrical circuit inside support frame, avoids the need to disassemble enclosed plate when worker extinguishes fire, and further improves the safety of electrical circuit installation equipment.

The utility model discloses a variable diameter extrusion die core, which relates to the technical field of cable production, and specifically comprises a die core body, the die core body comprises a fixing part and a positioning part, one end of the fixing part far away from the positioning part is matched with an inner conical surface of an extrusion die original die core, and an inner cavity of the positioning part is matched with a cable conductor or a cable core. And the outer diameter of the positioning part is smaller than the pipe diameter of the original mold core of the extrusion mold. The variable-diameter extrusion mold core is matched with a mold core of an existing extrusion mold, can be directly clamped with the mold core of the existing extrusion mold, realizes positioning of a small-specification cable, avoids disassembly and assembly of the existing extrusion mold, improves the use convenience of the extrusion mold, can omit the operation of waiting for temperature rise, can directly produce the cable, improves the production efficiency of the multi-specification cable, and is suitable for large-scale production. And old glue caused by the change of the temperature of the polymer runner in the extrusion die can be avoided, so that the production cost is saved, and the cable production quality is guaranteed.

The utility model belongs to radiator core processing equipment technical field, concretely relates to a numerical control machining center for radiator core manufacturing, including numerical control machining center main part, the both sides surface of numerical control machining center main part is equipped with vent. The utility model discloses through the mutual cooperation of mounting frame, positioning block, spacing plug block and movable plug rod, when the operator needs to dismantle and maintains the dustproof side plate on numerical control machining center main part, only need to push and pull the block in the sliding slot and slide, when the pull block will drive movable plug rod and extrude the spring in the vertical block, can separate the fixed hole on spacing plug block in one end of movable plug rod, when can pull spacing plug block, let spacing plug block separate the insertion slot on positioning block, when positioning block can separate the positioning groove, let the operator not with the tool can conveniently dismantle and maintain the dustproof side plate, thereby bring the convenience for the maintenance work of numerical control machining center.

The utility model discloses a high-precision silicon wafer transportation support, which relates to the technical field of silicon wafer transportation and comprises a silicon wafer support, the silicon wafer support is obliquely arranged, a support beam is arranged on the silicon wafer support, fixing belts are respectively arranged on two sides of the silicon wafer support, and a silicon wafer base is arranged on one side of the silicon wafer support. A bracket base; the silicon wafer clamping plate is rotationally mounted on the silicon wafer base, and the silicon wafer clamping plate is used for clamping a silicon wafer on the silicon wafer bracket; and the silicon wafer clamping mechanism comprises a clamping assembly and a driving assembly, the clamping assembly is used for driving a silicon wafer clamping plate, and the driving assembly is used for driving a rotating rod in the clamping assembly to rotate. According to the utility model, the silicon wafer clamping plate is arranged, so that the problem that the silicon wafer shakes and is separated from the bracket when a vehicle turns due to the fact that the conventional silicon wafer transportation bracket is usually fixed by a rope is solved.

The utility model discloses a hidden positioning structure of a European standard socket, a positioning end of the socket is provided with a rear cover, a locking piece passes through the rear cover and locks the rear cover on the socket, and a conductive terminal and a ground wire terminal which are arranged on the positioning end are pressed and fixed on the socket and the rear cover at the same time. According to the utility model, the rear cover is arranged at the positioning end of the socket body, and the positioning structure and the avoiding structure which are matched with the conductive terminal, the ground wire terminal and the locking piece are arranged at the rear cover and the positioning end, so that each functional piece can be fixed from the positioning end and can be ensured to be normally used, and the locking piece cannot be seen from the input end; therefore, a user can be prevented from disassembling the locking piece on the socket, and the problem that the socket cannot be used due to disassembling operation of the user is solved.

The utility model relates to a storage tank container technical field, more particularly, relate to a kind of breather on-line sterilization device and storage tank container.Breather on-line sterilization device includes filter, first pneumatic ball valve, second pneumatic ball valve, third pneumatic ball valve, fourth pneumatic ball valve, first pneumatic diaphragm valve, second pneumatic diaphragm valve, first drain valve and second drain valve;First pneumatic ball valve, filter and first pneumatic diaphragm valve constitute the breathing circuit of container, second pneumatic ball valve, filter, second pneumatic diaphragm valve and second drain valve constitute sterilization circuit, filter, third pneumatic ball valve and first drain valve constitute condensate circuit.The utility model is guaranteed by the setting of breathing circuit, tank body pressure balance;By the setting of sterilization circuit, it can be on-line sterilization after closing breathing circuit, avoids dismounting filter, improves sterilization efficiency.

The utility model discloses an air filtering device for gas analyzer belongs to air filtering technical field, including filter box shell, the inside of filter box shell is provided with connecting plate, and the side of connecting plate is fixed with a plurality of filter board that is equidistant distribution, is set up with a plurality of corresponding slot b of filter board on the side of filter box shell, and the one side of filter box shell is provided with the seal and adjusts the subassembly, and the outside plate of filter box shell is fixed with the outer box that covers in the outside of slot b, and the inside of outer box is provided with cleaning assembly, the utility model discloses the cleaning assembly of setting up in the inside of outer box carries out the synchronous blowing clean cleaning to a plurality of filter board, effectively improves the cleaning efficiency of a plurality of filter board, saves the operation of taking out the cleaning of filter board simultaneously, avoids the dismounting of filter board, effectively improves the cleaning efficiency of filter board, greatly reduces the cleaning operation workload, and the slot b is closed through the seal and adjusts the subassembly and sets up, avoids the dust impurity in the inside of outer box to enter the inside of filter box shell.

This utility model provides a rear wheel strut punching and cutting die, relating to the field of die technology. It includes a lower die, with an upper die mounted on its upper surface. The lower die has through-holes on both sides for positioning. Positioning holes are provided on both sides of the interior of both the lower and upper dies. The lower die has a through-slot for placing the workpiece. During the stamping process, the cutting module cuts the workpiece located inside the through-slot according to its shape, and the punching module punches holes on the workpiece surface. The punching modules are symmetrically arranged on both sides of the cutting module. While cutting the workpiece into two sections, punching holes in both sections is also completed simultaneously. Using a single die, both cutting and punching of the workpiece can be completed simultaneously, avoiding multiple transfer, disassembly, and clamping operations, effectively saving processing time and improving processing efficiency.

The utility model relates to the technical field of silicon steel sheet processing, and particularly discloses a movable clamp for a silicon steel sheet, which comprises a shell, a laser cutting equipment main body is embedded in the top end of the shell, a circulation opening is formed in the front end of the shell, and a clamping mechanism is arranged in the circulation opening; the clamping mechanism comprises a carrying frame, the carrying frame is slidably connected to the interior of the circulation opening, a first fixing plate is fixedly installed in the carrying frame, a second fixing plate is fixed to one side of the first fixing plate in the carrying frame, and a sliding block is slidably connected to one side of the top end of the first fixing plate. Through cooperation of the carrying frame, the abutting rollers and the clamping grooves, a silicon steel sheet can be directly carried into the shell through the first fixing plate and the second fixing plate, positioning and clamping are rapidly carried out through the hydraulic rod, the situation that a worker needs to disassemble the shell to disassemble the silicon steel sheet is avoided, the efficiency of the whole cutting process is improved, and the labor intensity is relieved. And the cutting operation is kept in a relatively closed environment.

A device for replacing a ring cooling machine trolley body is located between the trolley body and the trolley track, the device comprises a transverse moving mechanism and a jacking mechanism, the transverse moving mechanism comprises a guide rail and a moving part, the guide rail is erected on the trolley track, and the moving part is arranged on the guide rail and can move along the guide rail; the jacking mechanism is arranged on the moving part and located between the moving part and the trolley body. The device can work in a narrow space, and through the action of the transverse moving mechanism and the jacking mechanism, the trolley to be replaced can stably drive off or drive into the ring cooling machine along the guide rail, and then the trolley to be replaced can be replaced. At the same time, the upper cover and the lower slide plate of the ring cooling machine are avoided from being disassembled, the ring cooling machine trolley body can be quickly replaced, and then the trolley replacement efficiency is improved.

The invention relates to the technical field of steel structure connection, and provides a steel structure connecting structure for an electric iron tower, which comprises a base, reinforcing plates are uniformly fixed on the outer walls of the two sides of the bottom of the base, an anchoring structure is fixed at the bottom end of the base, the anchoring structure comprises a bottom plate fixed at the bottom end of the base, and an anchor point seat is fixed at the bottom end of the bottom plate. Anchor point blocks are evenly fixed to the edge position of the bottom end of the bottom plate. The anchoring structure is arranged, the anchor point block and the anchor point seat are poured in the foundation of the mounting point through concrete, the stability of the whole connecting assembly in daily use can be improved, the structure distribution is uniform, the stress can be effectively dispersed, the structure looseness or deviation caused by wind power, vibration or load change is prevented, and the service life of the connecting assembly is prolonged. The steel structure connecting structure for the electric power iron tower has the function of facilitating stable connection, and the stability of the steel structure connecting structure for the electric power iron tower during use is improved.

The utility model discloses a kind of middle wave broadcast transmitting antennas with protection structure, including main body, mounting mechanism, positioning mechanism and cooperation mechanism, the mounting mechanism includes mounting bracket and chassis, the positioning mechanism includes connecting piece and clamping piece, the cooperation mechanism includes protective piece and sealing gasket, under the mutual cooperation of above mechanism, antenna main body is fixed on the chassis in this device, can ensure the structural stability of antenna, avoid displacement or damage due to external force (such as wind, earthquake etc.), so as to ensure the normal work of antenna, in addition, the locking piece and clamping piece of this device can effectively prevent antenna from loosening or disassembling when subjected to external force, enhance the stability of antenna, especially when encountering strong wind or other vibration.

The utility model belongs to the technical field of distribution boxes, in particular to a combined distribution box, which comprises a main distribution box and a pair of auxiliary distribution boxes, and the pair of auxiliary distribution boxes are arranged on the left side and the right side of the main distribution box through components convenient to assemble and disassemble. A guide hole is formed in the guide block, the auxiliary distribution box is matched with the guide groove block on the main distribution box through the guide block, and the guide groove is a dovetail groove, so that stable sliding connection in the horizontal direction is realized, and the auxiliary distribution box is convenient to mount and dismount. Meanwhile, the positioning head at the end of the guide rod is matched with the guide hole, accurate positioning can be achieved when the guide rod is installed in place, the assembling efficiency is further improved, the pull ring and the guide base are connected in a detachable mode, and the pull ring can be detached and stored properly in the normal use process. Due to the fact that no pull ring is arranged, non-professionals are difficult to operate the limiting mechanism, free disassembly of the auxiliary distribution box by idle people is effectively prevented, and the use safety of the distribution box is improved.