501results about How to "Affect normal use" patented technology

The utility model discloses a clean workshop return air dust removal device which comprises a dust removal box, two filter screens, a first dust removal pipe, a support, a motor, a fan, two second dust removal pipes and a plurality of air blowing pipes, and a collecting assembly is arranged on the dust removal box. Through the arrangement of the fan, the first dust removal pipe, the second dust removal pipe and the air blowing pipe, dust on the surface of the filter screen can be blown away, it is avoided that too much dust is accumulated, normal use of the filter screen is affected, the filtering efficiency of the filter screen is guaranteed, and the service life of the filter screen is prolonged; the air blowing pipe can more comprehensively blow air to remove dust on the filter screen, the fan can regularly clean the filter screen, workers do not need to frequently replace the filter screen, the production cost is reduced, the collecting assembly is arranged to collect blown dust, and later cleaning of the workers is facilitated.

The utility model discloses a PVC film destaticizing device relates to PVC film processing technical field, including box body, collection box and wind-up roll, box body bottom is fixedly equipped with support frame, box body top and bottom both are fixedly equipped with collection box, two collection box side surface both are fixedly connected with the delivery pipeline, wind-up roll is connected with the delivery pipeline. The other sides of the two conveying pipelines are fixedly provided with sucking pumps, the other sides of the two sucking pumps are fixedly provided with L-shaped pipelines, the other ends of the two L-shaped pipelines penetrate through the top and the bottom of the box body respectively and are fixedly provided with collecting discs, one side of the box body is provided with a mounting plate, one end of the mounting plate is fixedly provided with a motor, and the other end of the mounting plate is fixedly provided with a rotating shaft. And the other end of the mounting plate is rotationally connected with a winding roller. According to the static electricity removing device for the PVC film, all-around static electricity removing can be conducted on the PVC film, dust and impurities attached to the surface of the PVC film can be removed, normal use of the PVC film is prevented from being affected, and the practicability of the static electricity removing device for the PVC film is improved.

The invention relates to the field of veterinary tool disinfection, in particular to a veterinary tool cleaning device for animal husbandry veterinarians, which comprises a tool rack, a cleaning tank is formed in the tool rack, a separation assembly is slidably mounted in the cleaning tank, a cavity is formed in the inner bottom wall of the cleaning tank, and an overturning assembly is fixedly mounted in the cavity. An auxiliary assembly is slidably mounted on the side wall of the partition assembly. According to the veterinary tool cleaning device, the partition assembly is arranged, the interior of the cleaning tank is divided into multiple sets of areas through the frame body and the cross-shaped partition plate, each area is internally provided with a pressure sensor and a containing plate, different veterinary tools are separately placed on the containing plates in the areas, and the pressure sensors in the areas are used for separately placing the veterinary tools on the containing plates in the areas; the weight of the veterinary tool is detected, so that the power of the ultrasonic cleaner is correspondingly adjusted according to the weight of the veterinary tool in each area, the power utilization of the ultrasonic cleaner is optimized, and the energy-saving effect is achieved.

The utility model provides a load-bearing type vehicle dynamic weighing device, which relates to the technical field of dynamic weighing and comprises a roadbed, a mounting groove is formed in the surface of the roadbed, a gravity sensor is arranged at the bottom end in the mounting groove, a supporting column is vertically arranged on the surface of the top of the gravity sensor, and a carrying plate is arranged at the top end of the supporting column. A baffle is vertically arranged on the edge of the top surface of the carrying plate. According to the utility model, the baffle plate is arranged, so that dust brought by a vehicle can be blocked by the baffle plate when the vehicle is dynamically weighed, and splashing dust is prevented from entering the interior through a gap between the carrier plate and the mounting groove to the greatest extent; dust splashed during vehicle driving can be adsorbed to the dust suction brush, through cooperation of the male hook-and-loop fastener and the female hook-and-loop fastener, the rubber pad can be conveniently and rapidly detached, therefore, dust on the surface of the dust suction brush can be cleaned, the mode is easy to operate, and equipment can be conveniently protected.

The invention relates to the technical field of gas purification and drying, in particular to zero-gas-consumption blast heat regeneration drying equipment which comprises a double-tower type drying mechanism, an air filtering mechanism, an air blower, a fixing plate and a filtering plate, the air filtering mechanism comprises a filtering chamber, a filtering net, an adsorption layer and an oil absorption layer, and the filtering plate is arranged before air is sucked into the air blower; when the air is sucked into the air blower and conveyed to the filtering chamber through the air blower, the impurities in the air can be filtered again through the matched use of the filter screen, the adsorption layer and the oil absorption layer, and the air purification effect is improved; according to the double-tower drying device, the air is filtered to prevent impurities contained in the air from influencing the service life of the drying device, and as the impurities in the air are filtered before and after the air enters the air blower and before the air enters the double-tower drying mechanism, the impurities in the air are prevented from influencing the normal use of the double-tower drying mechanism.

The utility model belongs to the field of batteries, and particularly relates to a busbar and a battery pack. The busbar comprises a plate-shaped busbar main body; n electric connection areas and n-1 fusing areas are arranged on the plate-shaped busbar main body along the axial direction of the plate-shaped busbar main body; the electric connection areas and the fusing areas are alternately arranged one by one, the n electric connection areas and the n single batteries are in one-to-one correspondence, and each electric connection area is used for being connected with a polar terminal, located on the same side, of the corresponding single battery in the battery pack; and the overcurrent area of the fusing region is smaller than that of the electric connection region. When any single battery is short-circuited, the fusing area connected with the electric connection area of the single battery is rapidly fused at high temperature generated by large current, so that the single battery is disconnected, the influence of short circuit on normal use of other single batteries is avoided, the whole battery pack is protected, and the safety of the battery pack is improved; the whole battery pack does not need to be maintained or replaced due to damage of individual single batteries, so that the maintenance cost is saved.

The utility model relates to the technical field of thickeners, in particular to a feeding device of a thickener, which comprises a discharge port, a feed port and a filter device, the feed port is fixedly connected with the upper surface of the discharge port, the filter device is arranged on the surface of the feed port and comprises a placing ring, the placing ring is placed on the surface of the feed port, and the filter device is arranged on the surface of the feed port. The placing ring is located above the discharging port, the surface of the placing ring is fixedly connected with an inserting rod, the inserting rod is in contact connection with the surface of the feeding port, the surface of the placing ring is fixedly connected with a leakage port, the leakage port is located above the discharging port, the surface of the placing ring is fixedly connected with a supporting block, and the supporting block is located above the discharging port. According to the feeding device disclosed by the utility model, the filtering device is arranged to effectively filter precipitated sticky substances, and when the feeding device is used, the filtering device is placed, so that the normal use of the thickener is prevented from being influenced by the precipitated sticky substances, the practicability of the feeding device is improved, the auxiliary property of the feeding device is improved, and the filterability of the feeding device is improved.

The invention discloses an electric energy metering device state prediction method, and belongs to the field of electric energy metering devices. The electric energy metering device state prediction method comprises the following steps: S1, predicting fault time and residual life of an electric energy meter; s2, judging an operation state; s3, predicting the health degree of the electric energy metering device; s4, predicting the error state of the electric energy metering device; and S5, comprehensively evaluating the state of the electric energy metering device. The method solves the problem that the existing operation state evaluation method cannot predict the health and fault conditions of the electric energy metering device and thus cannot make corresponding countermeasures in advance, can timely know the residual life of the time machine when the fault of the electric energy metering device occurs, facilitates the timely making of a maintenance plan, and improves the maintenance efficiency of the electric energy metering device. The workload of the electric energy metering device is reduced, the accuracy of the prediction result is improved, and the maintenance efficiency is improved.

According to the glue-overflow-preventing double-glass assembly frame provided by the embodiment of the invention, the guide strip is hinged to one inner corner of the bottom surface of the frame body of the photovoltaic assembly, the surface, close to the glass plate, of the guide strip is provided with the groove, and the length of the guide strip is larger than the distance between the through hole formed in the middle of the glass plate and the hinge point of the guide strip. In this way, when the double-glass assembly is laminated into the frame body, the surface with the conducting bars is placed downwards. At the moment, the back glue can flow out from the through holes, and the flowing back glue can drop into the grooves of the guide strips, so that the back glue is prevented from being adhered to the surface of the glass plate. And meanwhile, the guide strip can rotate to the position flush with the inner ring of the frame body, so that the guide strip can be prevented from influencing the normal use of the frame body.

The invention relates to a grain quantity monitoring device which comprises a device base and a detection cylinder internally provided with a laser distance measuring sensor, the bottom of the detection cylinder is provided with a detection cylinder lens, and the grain quantity monitoring device further comprises an equipment box rotationally assembled on the device base and provided with an opening in the lower side. A side plate of the equipment box is fixedly provided with a mounting shaft with the axis extending in the front-back direction, the upper end of the detection cylinder is rotationally assembled on the mounting shaft, and the rotating axis of the equipment box perpendicularly intersects with the axis of the mounting shaft. In the rotating process of the detection cylinder, a detection station for enabling a detection cylinder lens to extend out of the lower side opening of the equipment box and a storage station for enabling the detection cylinder to be stored in the equipment box are arranged, and a dustproof plate for shielding the lower side opening when the detection cylinder is located at the storage station is arranged at the lower side opening of the equipment box. The grain quantity monitoring device provided by the invention can avoid dust covering when not in use, and also can avoid generation of a scanning blind area due to the existence of the main cylinder.

The utility model relates to the technical field of actuators, in particular to an automobile transparent shell actuator capable of being visually detected, which comprises an actuator main body, a connecting shell is fixedly arranged on the outer side wall of the actuator main body close to the lower part, a connecting column is fixedly arranged on the outer side wall of the connecting shell, and an output shaft is movably inserted in the connecting column. According to the utility model, the output shaft can be lubricated, so that the influence on normal use of the actuator caused by unsmooth rotation due to insufficient lubrication degree between the output shaft and the output shaft after long-time use is avoided, and the influence and even damage on the actuator main body caused by vibration force acting on the actuator main body in the running process of an automobile can be effectively reduced; the service life of the actuator is effectively prolonged, the outer shell of the actuator body is made of transparent materials, more visual judgment on whether the internal structure of the actuator has problems or not is greatly improved for engineers, and modification and response measures can be rapidly made.

The utility model provides an ice crushing device, and relates to the field of highway maintenance. The ice crushing device comprises a box body and an ice crushing mechanism, a collecting mechanism is arranged below the box body, a moving mechanism is further arranged below the box body, the collecting mechanism comprises an ice shovel and a collecting box, and the moving mechanism comprises a rotating shaft and a crawler belt. According to the ice crushing device, the collecting mechanism is arranged, and an ice shovel, a collecting box and a water pump are matched for use, so that the problem that in the patent, crushed ice residues are swept and accumulated to one side of a road surface only through a cleaning wheel brush, so that the ice residues accumulated to one side of the road surface are secondarily iced, and normal use of the road is affected is solved; the beneficial effects that crushed ice residues are collected and treated, and it is avoided that secondary icing of the ice residues affects road use are achieved. According to the ice crushing device, wheels used for moving are replaced by the crawler belts, the problem that the wheels are prone to slipping on the ice surface is solved, and the beneficial effect that the use of the device is prevented from being affected by slipping of the wheels is achieved.

The utility model relates to the technical field of solid state disks, in particular to an SSD (Solid State Disk) with a waterproof function. The SSD with the waterproof function comprises a bottom plate, a protective cover, a mounting seat, a memory bank, an insertion port, a contact seat, a sealing strip, a connecting line row and a silica gel ring, the protective cover covers the top of the bottom plate, the mounting seat is mounted at the top of the bottom plate, the memory bank is arranged on the mounting seat, the insertion port is arranged on the right side of the mounting seat, and the contact seat is arranged on the connecting line row. A contact seat is arranged on the right side of the memory bank, a sealing strip adheres to the bottom of the contact seat and makes close contact with the memory bank, a connecting line row is arranged on the right side of the contact seat, and a silica gel ring adheres to the interior of the plug-in opening. The sealing strip is tightly attached to the memory bank to prevent water vapor from invading the circuit interface; the connector is inserted into the plugging port, so that the silica gel ring is pressed and deformed, a gap between the connector and the plugging port is filled, a liquid permeation path is blocked, the waterproof purpose is achieved, and it is avoided that water vapor enters the SSD and is affected with damp, and normal use is affected.

The utility model relates to the field of oxygen machines, in particular to head-mounted snorting type negative air ion oxygen supply equipment. Comprising an oxygen machine body, a control cover is installed on the side face of the oxygen machine body, control buttons are installed on the upper surface of the control cover, handrails are installed on the side face of the oxygen machine body, air holes are formed in one side of the oxygen machine body, and a plurality of stand columns are fixedly connected to the lower surface of the oxygen machine body; an adjusting structure is arranged on the side, close to the air hole, of the oxygen machine body, the adjusting structure comprises four positioning blocks, one side of each positioning block is fixedly connected with the oxygen machine body, and a sliding rod is arranged on the side face of each positioning block in a sliding and penetrating mode. The head-mounted snorting type negative air ion oxygen supply equipment provided by the utility model has the advantages that the filter screen can be used for filtering dust, so that the dust is prevented from being attached to the air holes to block the air holes and influence the normal use of the oxygen machine body, and the filter screen can be conveniently detached for dust removal after being used for a period of time.

The present invention provides a dual power supply circuit and device, the power supply circuit includes a first phase sequence relay, a second phase sequence relay, a double position relay, a closing circuit and a front circuit, the coils of the first and second phase sequence relays are respectively connected to the first and second three-phase power supplies to detect their phase sequence, the front circuit includes the first normally open contact of the first phase sequence relay, the first normally open contact of the second phase sequence relay and the first coil of the double position relay connected in series, and the closing circuit includes the first branch and the second branch connected in parallel, the normally open contact of the double position relay connected in series with the first and second branches after the parallel connection, and the closing coil of the circuit breaker. The present invention first detects the phase sequence of the first and second three-phase power supplies to avoid the situation where the circuit breaker is still closed when the phase sequence is inconsistent, thereby ensuring the safety of power supply.

The utility model discloses a kind of polishing equipment for automobile wiring harness, including box, conveying mechanism I, conveying mechanism II, head end cutout polishing assembly, surface polishing assembly and tail end cutout polishing assembly;Conveying mechanism I is horizontally transversely symmetrical and arranged in the left and right side of box, two conveying mechanism I respectively extend to the inside of box, and conveying mechanism II is horizontally transversely symmetrical and arranged in the inside of box relative to the left and right interval between two conveying mechanism I, every described conveying mechanism II is coplanar with corresponding conveying mechanism I left and right interval arrangement;Head end cutout polishing assembly is arranged between corresponding conveying mechanism II relative to left side conveying mechanism I in the inside of box, and surface polishing assembly is arranged between two conveying mechanism II relative to it in its inside, and tail end cutout polishing assembly is arranged between corresponding conveying mechanism II relative to right side conveying mechanism I in its inside.The utility model realizes the assembly line type polishing processing of wiring harness head end cutout, surface and tail end cutout.

The utility model relates to the technical field of lamps, and discloses an LED lamp packaging structure which comprises a mounting shell, mounting frames fixedly connected in the mounting shell, limiting strips fixedly connected on the surfaces of the mounting frames, fixing mechanisms arranged in the mounting frames, an LED lamp panel fixedly connected between the mounting frames, a circuit board fixedly connected at the upper end of the LED lamp panel, and a lampshade fixedly connected at the lower end of the mounting shell. Heat dissipation openings are formed in the front end and the rear end of the lampshade, and separation nets are arranged in the heat dissipation openings. The limiting plate in the mounting frame extends out to be located at the lower end of the LED lamp panel, under the action of the limiting strip, the LED lamp panel is clamped in the limiting plate, the LED lamp panel is fixedly mounted, and then the lampshade can be buckled on the mounting shell, so that the effect of packaging the LED lamp panel is achieved, and in the follow-up using process, the LED lamp panel is prevented from being damaged under the action of the heat dissipation opening. And meanwhile, an isolation net is arranged in the heat dissipation opening, so that the effect of isolating mosquitoes can be achieved.

The utility model relates to the technical field of lighting lamps, and particularly discloses an LED energy-saving lighting lamp which comprises a lamp holder, a lamp source, a lamp source panel and an energy-saving mechanism, the lamp source is in threaded connection with the lamp holder and located in the lamp holder, the lamp source panel is fixedly connected with the lamp holder, and the energy-saving mechanism is arranged on the lamp source panel. The energy-saving mechanism comprises a detection mounting ring, transparent detection plates, a human body infrared sensor, a PCB control panel and sleeve assemblies, the detection mounting ring is fixedly connected with the lamp holder, each transparent detection plate is fixedly connected with the detection mounting ring, each sleeve assembly is fixedly connected with the corresponding transparent detection plate, the PCB control panel is embedded in the lamp holder, and the human body infrared sensor is fixedly connected with the PCB control panel. Each human body infrared sensor is embedded in the corresponding sleeve assembly, and each human body infrared sensor is electrically connected with the PCB control panel. Real-time detection can be carried out when the lamp is forgotten to be turned off, and the purpose of automatically turning off the lamp is achieved, so that the purpose of saving energy is achieved, and excessive waste of a power supply is avoided.

The application relates to the field of sewage pumps, in particular to a novel flow control submersible sewage pump, which comprises a pump body, a rotating shaft arranged in the pump body and an impeller fixedly installed on the rotating shaft, and the bottom end of the pump body is fixedly connected with a sealing cylinder; the bottom end of the sealing cylinder is provided with a screening and dividing assembly, the screening and dividing assembly is used for screening and preliminary dividing of garbage in sewage, and the screening and dividing assembly comprises a screening cylinder fixedly connected with the bottom end of the sealing cylinder, and a dividing cutter capable of moving up and down to cut is arranged in the screening cylinder. The screening and dividing assembly is arranged, so that when the sewage pump is used, the screening cylinder can screen garbage, garbage with a larger size cannot enter the screening cylinder, garbage that can enter the screening cylinder can stay in the screening cylinder for a short time, the garbage is preliminarily divided by the rotating dividing cutter, the size of the garbage is reduced, the pressure of subsequent crushing treatment of the garbage is reduced, and the garbage is conveniently discharged subsequently.

The embodiment of the application relates to the technical field of ice making equipment, in particular to an ice maker, which comprises a shell, an inner container, a compressor, a condenser, an evaporator, a first support and a reinforcing piece; the inner container is arranged in the shell and is provided with an ice making area; the compressor is arranged in the shell; the condenser is arranged in the shell; the evaporator comprises a main pipeline, an air inlet pipe and an air outlet pipe; the main pipeline is located in the ice making area; the air inlet pipe is connected between the main pipeline and the condenser; the air outlet pipe is connected between the main pipeline and the compressor; the first support is arranged on the inner container; and the reinforcing piece is connected between the first support and the main pipeline. Since the reinforcing piece connects the main pipeline and the first support arranged on the inner container, when the ice maker falls, the reinforcing piece can fix the position of the main pipeline in cooperation with the first support, so that the stability of the main pipeline is improved, displacement of the evaporator can be avoided as much as possible, and the overall anti-falling performance and stability of the ice maker are improved.

The application discloses a kind of silicon crystal bar slicing automatic discharging equipment and its use method, belong to silicon crystal bar slicing discharging technical field, the silicon crystal bar is fixedly installed with material seat, the discharging equipment includes frame, the positioning component of positioning to silicon crystal bar and the material placing component of storing to silicon crystal bar, the positioning component includes first positioning structure, second positioning structure and third positioning structure;The first positioning structure, second positioning structure and third positioning structure are connected with the frame by lifting platform;The material placing component includes discharging conveying line and the material bin of storing to silicon crystal bar, and the discharging conveying line is transmitted to discharging position by material bin.The application is positioned to silicon crystal bar by first positioning structure, second positioning structure and third positioning structure combination formation positioning component, can accurately, stably realize the positioning of silicon crystal bar, and its positioning precision is high, and precision deviation does not appear, effectively avoid the breakage of wafer.

The utility model discloses a safety plugging assembly special for charging and discharging of a new energy automobile, which comprises a charging gun plug, the charging gun plug is respectively provided with a three-pin plugging sheet I and two cylindrical grooves, and probes are fixed in the cylindrical grooves; a slot matched with the charging gun plug is formed in one side of the conversion plug, the charging gun plug is connected with the slot in a pluggable mode, a three-pin jack matched with the first three-pin insertion piece and two protruding columns connected with the two cylindrical grooves in a pluggable mode one by one are arranged in the slot, spring needles are fixed in the protruding columns, and the spring needles are connected with the two cylindrical grooves in a pluggable mode. The other side corresponding to the conversion plug is an external plugging area, a resistor and ground wire hardware are fixed in the conversion plug, two ends of the ground wire hardware are respectively in one-to-one correspondence with the ground wire hole site on the three-pin jack and the external plugging area, one end of the spring needle is in contact conduction with the corresponding probe, and the other end of the spring needle is electrically connected with the ground wire hardware through the resistor. The utility model has the beneficial effect that the purpose of improving the use convenience is achieved.

The invention discloses a buoyancy tank connecting device capable of being quickly assembled and disassembled. Belongs to the technical field of buoyancy tanks and comprises a first supporting frame and a second supporting frame which are connected with each other, a locking device is connected between the first supporting frame and the second supporting frame and comprises an installation frame, a locking block and a sliding groove, clamping grooves are formed in the two sides of the installation frame, the locking block is clamped in the installation frame, and the sliding groove is formed in the top of the locking block. A first spring and a second spring are arranged outside the guide rod in a sleeving mode, a first clamping plate is fixedly connected to the first sliding block, and a second clamping plate is fixedly connected to the second sliding block. According to the device, a user can conveniently and rapidly disassemble and assemble the first box body and the second box body through the locking device, the disassembly and assembly time of the first box body and the second box body can be shortened through an elastic clamping mode, the disassembly and assembly work can be completed without the help of external tools, more time and labor are saved, and the working efficiency is improved. And no gap exists between the first box body and the second box body after the first box body and the second box body are connected, so that the connection tightness of the first box body and the second box body is improved.

The invention belongs to the technical field of carding machines, and particularly relates to a negative-pressure lint receiving system of a carding machine, which comprises a negative-pressure lint receiving mechanism capable of replacing partial cylinder functions, carding cotton slivers in a negative-pressure conveying mode and improving the three-dimensional degree of the cotton slivers while improving the conveying speed of the cotton slivers. The net curtain brush roller, the cotton collecting wood roller and the lint receiving conveying belt can improve the lint yield and reduce the lint flying situation, the negative pressure lint receiving mechanism airflow assembly is composed of a conveying belt assembly and a negative pressure fan and filter assembly, and an air inlet of the negative pressure fan and filter assembly is located on the inner side of the conveying belt assembly. Through hole structures are evenly arranged on the surface of a conveying belt in the conveying belt assembly. The ends of transverse and longitudinal velveteen are affected by the negative pressure of the negative-pressure velveteen receiving mechanism to vertically overlap, so that the proportion of vertical velveteen is increased, the stereoscopic degree of the velveteen is improved, the content of neps is reduced while the production efficiency is improved, and the net curtain brush roller and the velveteen receiving conveying belt are matched with the negative-pressure velveteen receiving mechanism to effectively prevent the velveteen from flying.

The utility model discloses a socket copper sheet press-forming machine which comprises a workbench and a connecting plate, the lower end of the connecting plate is fixedly connected with a mounting plate, a sliding groove is formed in the mounting plate, a press-forming head is arranged in the sliding groove in a sliding mode, a limiting hole is formed in the press-forming head, a first through hole is formed in the mounting plate, and a fixing plate is fixedly installed at the lower end of the connecting plate. A rotating handle is arranged on the fixing plate, one end of the rotating handle penetrates through the fixing plate and is fixedly connected with a threaded rod, one end of the threaded rod is rotationally connected with the mounting plate, a vertical plate is in threaded connection with the threaded rod, one end of the vertical plate is inserted into a limiting groove in the connecting plate, and a limiting rod is fixedly connected to one side of the vertical plate; through the device, the pressing head can be well detached and replaced from the mounting plate, and the situation that normal use is affected due to the fact that the pressing head is inconvenient to replace after being damaged is avoided.

The utility model provides a chromatographic column for chromatographic analysis, and relates to the technical field of chromatographic columns, the chromatographic column comprises a column sleeve, a positioning device is arranged on the outer surface of the column sleeve by means of an auxiliary device, the positioning device comprises a rectangular block, the top end of the rectangular block is rotatably connected with a threaded cylinder, the inner wall of the threaded cylinder is in threaded connection with a screw rod, and the screw rod is in threaded connection with the column sleeve. According to the storage box for the chromatographic column, the positioning device is arranged, when the chromatographic column is placed in the storage box to be stored, the positioning device can be installed on the outer surface of the column sleeve by means of an auxiliary device, and the positioning device can be used for positioning the chromatographic column. The threaded barrel is rotated to enable the screw to move outwards on the inner wall of the threaded barrel to enable the round block at one end of the screw to abut against the inner wall of the storage box, the position of the chromatographic column in the storage box is fixed, and it is avoided as far as possible that the normal use of the chromatographic column is affected by damage to the surface of a column sleeve when the storage box shakes due to opening or closing of the storage box.

The utility model discloses a kind of high-efficiency vacuumizing equipment, belong to vacuumizing equipment technical field, including fuselage, and four dampers for anti-shock protection are arranged below fuselage, the bottom end of four dampers is connected with mounting seat, the right side of fuselage is equipped with back cover, the left side of fuselage is equipped with front cover, and the top of front cover is provided with two air inlet and outlet seats, plug is installed in the inside of two air inlet and outlet seats and penetrates, the top of plug is connected with pipeline, the bottom of fuselage is rotatably installed with two support rods, and the bottom end of two support rods is rotatably connected with moving block. The high-efficiency vacuumizing equipment is provided with damper, mounting seat is connected with four dampers at the bottom of fuselage, the buffering protection performance of fuselage itself can be increased by four dampers, mechanical wear is reduced, key components are protected, resonance between fuselage and pipeline due to rigid connection is avoided, and the service life of vacuumizing equipment is improved.

The utility model discloses an anti-bending device for a connecting line end of a display screen. The anti-bending device comprises a bottom plate, the bottom of the I-shaped frame is fixedly connected with the top of the bottom plate; the outer surface of the placing plate is fixedly connected with the back surface of the I-shaped frame; and the outer surface of the dismounting outer plate is detachably connected with the middle of the placing plate. According to the scheme, by arranging related structures of the guide rotating column, the winding column, the dismounting outer plate, the clamping plate, the quick dismounting plate and the side face clamping plate, firstly, the whole bottom plate is placed in a corresponding space, the overlong part of the connecting end is wound in the guide rotating column and the winding column, and the part, close to the end of the connecting line, of the bottom plate is wound; the outer plate and the clamping plate are detached, then the end is placed in the middle, and after the end is fixed, the outer plate and the clamping plate are combined and detached, so that after the end of the connecting line is electrified or connected, proper bending of the connecting line can be reduced, certain cracking and damage at the bending position after a long time are avoided, and the service life of normal use is prolonged.

The utility model discloses an improved automobile air conditioner evaporator drainage structure belongs to air conditioner evaporator related technical field, including the water collecting tank of fixed installation in the evaporator body bottom, one side of water collecting tank is equipped with the overflow pipe of fixed installation, and the bottom of water collecting tank is equipped with the drain pipe of fixed installation, and the bottom of drain pipe is fixedly connected with the mounting disc no.

The application discloses a switch structure for a charging gun, a charging gun and a charging device, which comprise a terminal fixing device, at least one charging terminal, at least one adapter terminal, at least one power supply terminal and a push rod; the terminal fixing device is axially provided with at least two cavities; the charging terminal is at least partially arranged in the cavities; one end of the adapter terminal is electrically connected with the charging terminal, and the other end is provided with a first contact point; one end of the power supply terminal is provided with a second contact point, and the other end is electrically connected with a cable of the charging gun; the push rod is at least partially arranged in the cavities and is translated in the axial direction in the cavities; the push rod is arranged to control the adapter terminal to be translated in the axial direction, so that the first contact point is in contact with or separated from the second contact point. According to the switch structure for the charging gun, when the charging gun does not charge a new energy automobile, the charging terminal of the charging gun is not electrified, and electric shock of personnel is prevented.